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VentoyPlugson ---- A GUI ventoy.json configurator

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pull/1294/head
longpanda 3 years ago
parent 9eeb94e8b5
commit 4bf43ab9d4
227 changed files with 67510 additions and 33 deletions
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5
INSTALL/README
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@ -22,6 +22,11 @@ Please refer https://www.ventoy.net/en/doc_start.html for details.
2. open your browser and visit http://127.0.0.1:24680
========== VentoyPlugson.sh ===============
1. sudo sh VentoyPlugson.sh
2. open your browser and visit http://127.0.0.1:24681
========= VentoyGUI ===================
VentoyGUI is native GUI program for Linux (GTK/QT)
1. Just double-click the file (e.g. VentoyGUI.x86_64)

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INSTALL/Ventoy2Disk.exe
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20
INSTALL/Ventoy2Disk.sh
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@ -46,23 +46,25 @@ echo "############# Ventoy2Disk $* [$TOOLDIR] ################" >> ./log.txt
date >> ./log.txt
#decompress tool
if [ -f ./tool/$TOOLDIR/ash ]; then
echo "no need to decompress tools" >> ./log.txt
else
cd ./tool/$TOOLDIR
echo "decompress tools" >> ./log.txt
cd ./tool/$TOOLDIR
ls *.xz > /dev/null 2>&1
if [ $? -eq 0 ]; then
[ -f ./xzcat ] && chmod +x ./xzcat
for file in $(ls *.xz); do
echo "decompress $file" >> ./log.txt
xzcat $file > ${file%.xz}
[ -f ./${file%.xz} ] && chmod +x ./${file%.xz}
[ -f ./$file ] && rm -f ./$file
done
cd ../../
chmod +x -R ./tool/$TOOLDIR
fi
cd ../../
chmod +x -R ./tool/$TOOLDIR
if [ -f /bin/bash ]; then
/bin/bash ./tool/VentoyWorker.sh $*
else

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INSTALL/Ventoy2Disk_ARM.exe
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INSTALL/Ventoy2Disk_ARM64.exe
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INSTALL/Ventoy2Disk_X64.exe
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218
INSTALL/VentoyPlugson.sh
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@ -0,0 +1,218 @@
#!/bin/sh
. ./tool/ventoy_lib.sh
print_usage() {
echo 'Usage: sudo sh VentoyPlugson.sh [OPTION] /dev/sdX'
echo ' OPTION: (optional)'
echo ' -H x.x.x.x http server IP address (default is 127.0.0.1)'
echo ' -P PORT http server PORT (default is 24681)'
echo ' -h print this help'
echo ''
}
uid=$(id -u)
if [ $uid -ne 0 ]; then
echo "Please use sudo or run the script as root."
exit 1
fi
OLDDIR=$(pwd)
machine=$(uname -m)
if echo $machine | egrep -q 'aarch64|arm64'; then
TOOLDIR=aarch64
elif echo $machine | egrep -q 'x86_64|amd64'; then
TOOLDIR=x86_64
elif echo $machine | egrep -q 'mips64'; then
TOOLDIR=mips64el
elif echo $machine | egrep -q 'i[3-6]86'; then
TOOLDIR=i386
else
echo "Unsupported machine type $machine"
exit 1
fi
if ! [ -f "$OLDDIR/tool/plugson.tar.xz" ]; then
echo "Please run under the correct directory!"
exit 1
fi
echo "############# VentoyPlugson $* [$TOOLDIR] ################" >> ./VentoyPlugson.log
date >> ./VentoyPlugson.log
echo "decompress tools" >> ./VentoyPlugson.log
cd ./tool/$TOOLDIR
ls *.xz > /dev/null 2>&1
if [ $? -eq 0 ]; then
[ -f ./xzcat ] && chmod +x ./xzcat
for file in $(ls *.xz); do
echo "decompress $file" >> ./VentoyPlugson.log
xzcat $file > ${file%.xz}
[ -f ./${file%.xz} ] && chmod +x ./${file%.xz}
[ -f ./$file ] && rm -f ./$file
done
fi
cd ../../
chmod +x -R ./tool/$TOOLDIR
if ! [ -f "$OLDDIR/tool/$TOOLDIR/Plugson" ]; then
echo "$OLDDIR/tool/$TOOLDIR/Plugson does not exist!"
exit 1
fi
PATH=./tool/$TOOLDIR:$PATH
HOST="127.0.0.1"
PORT=24681
while [ -n "$1" ]; do
if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
print_usage
exit 0
elif [ "$1" = "-H" ]; then
shift
if echo $1 | grep -q '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*'; then
HOST="$1"
else
echo "Invalid host $1"
exit 1
fi
elif [ "$1" = "-P" ]; then
shift
if [ $1 -gt 0 -a $1 -le 65535 ]; then
PORT="$1"
else
echo "Invalid port $1"
exit 1
fi
else
DISK=$1
fi
shift
done
if [ -z "$DISK" ]; then
print_usage
exit 0
fi
if ps -ef | grep "tool/$TOOLDIR/Plugson.*$HOST.*$PORT" | grep -q -v grep; then
echo "Another ventoy server is running now, please close it first."
exit 1
fi
if echo $DISK | grep -q "[a-z]d[a-z][1-9]"; then
DISK=${DISK:0:-1}
fi
if echo $DISK | egrep -q "/dev/nvme|/dev/mmcblk/dev/nbd"; then
if echo $DISK | grep -q "p[1-9]$"; then
DISK=${DISK:0:-2}
fi
fi
if [ ! -b "$DISK" ]; then
echo "$DISK does NOT exist."
exit 1
fi
version=$(get_disk_ventoy_version $DISK)
if [ $? -eq 0 ]; then
echo "Ventoy version in Disk: $version"
vtPart1Type=$(dd if=$DISK bs=1 count=1 skip=450 status=none | hexdump -n1 -e '1/1 "%02X"')
if [ "$vtPart1Type" = "EE" ]; then
echo "Disk Partition Style : GPT"
partstyle=1
else
echo "Disk Partition Style : MBR"
partstyle=0
fi
if check_disk_secure_boot $DISK; then
echo "Secure Boot Support : YES"
secureboot=1
else
echo "Secure Boot Support : NO"
secureboot=0
fi
else
echo "$DISK is NOT Ventoy disk."
exit 1
fi
PART1=$(get_disk_part_name $DISK 1)
if grep -q "^$PART1 " /proc/mounts; then
mtpnt=$(grep "^$PART1 " /proc/mounts | awk '{print $2}')
fstype=$(grep "^$PART1 " /proc/mounts | awk '{print $3}')
if echo $fstype | grep -q -i 'fuse'; then
if hexdump -C -n 16 $PART1 | grep -q -i "EXFAT"; then
fstype="exFAT"
elif hexdump -C -n 16 $PART1 | grep -q -i "NTFS"; then
fstype="NTFS"
fi
fi
echo "$PART1 is mounted at $mtpnt $fstype"
else
echo "$PART1 is NOT mounted, please mount it first!"
exit 1
fi
if [ -d "$mtpnt/ventoy" ]; then
echo "ventoy directory exist OK"
else
echo "create ventoy directory"
mkdir -p "$mtpnt/ventoy"
if [ -d "$mtpnt/ventoy" ]; then
chmod -R 0755 "$mtpnt/ventoy"
else
echo "Failed to create directory $mtpnt/ventoy"
exit 1
fi
fi
#change current directory to Ventoy disk
cd "$mtpnt"
LANG=en_US $OLDDIR/tool/$TOOLDIR/Plugson "$HOST" "$PORT" "$OLDDIR" "$DISK" $version "$fstype" $partstyle $secureboot &
wID=$!
sleep 1
if [ -f /proc/$wID/maps ]; then
echo ""
echo "==============================================================="
if [ "$LANG" = "zh_CN.UTF-8" ]; then
echo " Ventoy Plugson Server 已经启动 ..."
echo " 请打开浏览器，访问 http://${HOST}:${PORT}"
else
echo " Ventoy Plugson Server is running ..."
echo " Please open your browser and visit http://${HOST}:${PORT}"
fi
echo "==============================================================="
echo ""
echo "################## Press Ctrl + C to exit #####################"
echo ""
wait $wID
fi
if [ -n "$OLDDIR" ]; then
CURDIR=$(pwd)
if [ "$CURDIR" != "$OLDDIR" ]; then
cd "$OLDDIR"
fi
fi

9
INSTALL/ventoy_pack.sh
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@ -36,6 +36,11 @@ sh language.sh || exit 1
sh build.sh
cd -
cd ../Plugson
sh build.sh
sh pack.sh
cd -
LOOP=$(losetup -f)
@ -112,6 +117,7 @@ cp $OPT ./tool $tmpdir/
rm -f $tmpdir/ENROLL_THIS_KEY_IN_MOKMANAGER.cer
cp $OPT Ventoy2Disk.sh $tmpdir/
cp $OPT VentoyWeb.sh $tmpdir/
cp $OPT VentoyPlugson.sh $tmpdir/
cp $OPT VentoyGUI* $tmpdir/
@ -121,6 +127,7 @@ cp $OPT CreatePersistentImg.sh $tmpdir/
cp $OPT ExtendPersistentImg.sh $tmpdir/
dos2unix -q $tmpdir/Ventoy2Disk.sh
dos2unix -q $tmpdir/VentoyWeb.sh
dos2unix -q $tmpdir/VentoyPlugson.sh
dos2unix -q $tmpdir/CreatePersistentImg.sh
@ -159,6 +166,7 @@ find $tmpdir/ -type d -exec chmod 755 "{}" +
find $tmpdir/ -type f -exec chmod 644 "{}" +
chmod +x $tmpdir/Ventoy2Disk.sh
chmod +x $tmpdir/VentoyWeb.sh
chmod +x $tmpdir/VentoyPlugson.sh
chmod +x $tmpdir/VentoyGUI*
cp $OPT $LANG_DIR/languages.json $tmpdir/tool/
@ -174,6 +182,7 @@ tar -czvf ventoy-${curver}-linux.tar.gz $tmpdir
rm -f ventoy-${curver}-windows.zip
cp $OPT Ventoy2Disk.exe $tmpdir/
cp $OPT VentoyPlugson.exe $tmpdir/
cp $OPT FOR_X64_ARM.txt $tmpdir/
mkdir -p $tmpdir/altexe
cp $OPT Ventoy2Disk_*.exe $tmpdir/altexe/

79
Plugson/build.sh
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@ -0,0 +1,79 @@
#!/bin/bash
if [ "$1" = "sim" ]; then
exopt="-DVENTOY_SIM"
fi
build_func() {
libsuffix=$2
toolDir=$3
XXFLAG='-std=gnu99 -D_FILE_OFFSET_BITS=64'
XXLIB=""
echo "CC=$1 libsuffix=$libsuffix toolDir=$toolDir"
echo "CC civetweb.o"
$1 $XXFLAG -c -Wall -Wextra -Wshadow -Wformat-security -Winit-self \
-Wmissing-prototypes -O2 -DLINUX \
-I./src/Lib/libhttp/include \
-DNDEBUG -DNO_CGI -DNO_CACHING -DNO_SSL -DSQLITE_DISABLE_LFS -DSSL_ALREADY_INITIALIZED \
-DUSE_STACK_SIZE=102400 -DNDEBUG -fPIC \
./src/Lib/libhttp/include/civetweb.c \
-o ./civetweb.o
echo "CC plugson.o"
$1 $XXFLAG -O2 $exopt -Wall -Wno-unused-function -DSTATIC=static -DINIT= \
-I./src \
-I./src/Core \
-I./src/Web \
-I./src/Include \
-I./src/Lib/libhttp/include \
-I./src/Lib/fat_io_lib/include \
-I./src/Lib/xz-embedded/linux/include \
-I./src/Lib/xz-embedded/linux/include/linux \
-I./src/Lib/xz-embedded/userspace \
-I ./src/Lib/exfat/src/libexfat \
-I ./src/Lib/exfat/src/mkfs \
-I ./src/Lib/fat_io_lib \
\
-L ./src/Lib/fat_io_lib/lib \
src/main_linux.c \
src/Core/ventoy_crc32.c \
src/Core/ventoy_disk.c \
src/Core/ventoy_disk_linux.c \
src/Core/ventoy_json.c \
src/Core/ventoy_log.c \
src/Core/ventoy_md5.c \
src/Core/ventoy_util.c \
src/Core/ventoy_util_linux.c \
src/Web/*.c \
src/Lib/xz-embedded/linux/lib/decompress_unxz.c \
src/Lib/fat_io_lib/*.c \
$XXLIB \
-l pthread \
./civetweb.o \
-o Plugson$libsuffix
rm -f *.o
if [ "$libsuffix" = "aa64" ]; then
aarch64-linux-gnu-strip Plugson$libsuffix
elif [ "$libsuffix" = "m64e" ]; then
mips-linux-gnu-strip Plugson$libsuffix
else
strip Plugson$libsuffix
fi
rm -f ../INSTALL/tool/$toolDir/Plugson
cp -a Plugson$libsuffix ../INSTALL/tool/$toolDir/Plugson
}
build_func "gcc" '64' 'x86_64'
build_func "gcc -m32" '32' 'i386'
build_func "aarch64-linux-gnu-gcc" 'aa64' 'aarch64'
build_func "mips-linux-gnu-gcc -mips64r2 -mabi=64" 'm64e' 'mips64el'

54
Plugson/pack.sh
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@ -0,0 +1,54 @@
#!/bin/sh
output_hex_u32() {
hexval=$(printf '%08x' $1)
hex_B0=${hexval:0:2}
hex_B1=${hexval:2:2}
hex_B2=${hexval:4:2}
hex_B3=${hexval:6:2}
echo -en "\x$hex_B3\x$hex_B2\x$hex_B1\x$hex_B0"
}
if [ -n "$PKG_DATE" ]; then
plugson_verion=$PKG_DATE
else
plugson_verion=$(date '+%Y%m%d %H:%M:%S')
fi
sed "s#.*plugson_build_date.*# <b id=\"plugson_build_date\">$plugson_verion</b>#" -i ./www/index.html
if [ ! -f ./vs/VentoyPlugson/Release/VentoyPlugson.exe ]; then
echo "NO VentoyPlugson.exe found"
exit 1
fi
if [ -f ./www.tar.xz ]; then
rm -f ./www.tar.xz
fi
echo -n "$plugson_verion" > ./www/buildtime
tar cf www.tar www
xz --check=crc32 www.tar
xzdec=$(stat -c '%s' ./www.tar.xz)
echo xzdec=$xzdec
output_hex_u32 0x54535251 > ex.bin
output_hex_u32 $xzdec >> ex.bin
output_hex_u32 0xa4a3a2a1 >> ex.bin
cat ./vs/VentoyPlugson/Release/VentoyPlugson.exe ./www.tar.xz ex.bin > VentoyPlugson.exe
rm -f ./ex.bin
rm -f ../INSTALL/VentoyPlugson.exe
cp -a ./VentoyPlugson.exe ../INSTALL/VentoyPlugson.exe
rm -f ../INSTALL/tool/plugson.tar.xz
mv ./www.tar.xz ../INSTALL/tool/plugson.tar.xz
echo ""
echo "========= SUCCESS ==========="
echo ""

304
Plugson/src/Core/ventoy_crc32.c
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@ -0,0 +1,304 @@
/******************************************************************************
* crc32.c ---- ventoy crc32
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#if defined(_MSC_VER) || defined(WIN32)
#include <Windows.h>
#define uint32_t UINT32
#else
#include <unistd.h>
#endif
static uint32_t g_crc_table[256] = {
0x00000000,
0x77073096,
0xEE0E612C,
0x990951BA,
0x076DC419,
0x706AF48F,
0xE963A535,
0x9E6495A3,
0x0EDB8832,
0x79DCB8A4,
0xE0D5E91E,
0x97D2D988,
0x09B64C2B,
0x7EB17CBD,
0xE7B82D07,
0x90BF1D91,
0x1DB71064,
0x6AB020F2,
0xF3B97148,
0x84BE41DE,
0x1ADAD47D,
0x6DDDE4EB,
0xF4D4B551,
0x83D385C7,
0x136C9856,
0x646BA8C0,
0xFD62F97A,
0x8A65C9EC,
0x14015C4F,
0x63066CD9,
0xFA0F3D63,
0x8D080DF5,
0x3B6E20C8,
0x4C69105E,
0xD56041E4,
0xA2677172,
0x3C03E4D1,
0x4B04D447,
0xD20D85FD,
0xA50AB56B,
0x35B5A8FA,
0x42B2986C,
0xDBBBC9D6,
0xACBCF940,
0x32D86CE3,
0x45DF5C75,
0xDCD60DCF,
0xABD13D59,
0x26D930AC,
0x51DE003A,
0xC8D75180,
0xBFD06116,
0x21B4F4B5,
0x56B3C423,
0xCFBA9599,
0xB8BDA50F,
0x2802B89E,
0x5F058808,
0xC60CD9B2,
0xB10BE924,
0x2F6F7C87,
0x58684C11,
0xC1611DAB,
0xB6662D3D,
0x76DC4190,
0x01DB7106,
0x98D220BC,
0xEFD5102A,
0x71B18589,
0x06B6B51F,
0x9FBFE4A5,
0xE8B8D433,
0x7807C9A2,
0x0F00F934,
0x9609A88E,
0xE10E9818,
0x7F6A0DBB,
0x086D3D2D,
0x91646C97,
0xE6635C01,
0x6B6B51F4,
0x1C6C6162,
0x856530D8,
0xF262004E,
0x6C0695ED,
0x1B01A57B,
0x8208F4C1,
0xF50FC457,
0x65B0D9C6,
0x12B7E950,
0x8BBEB8EA,
0xFCB9887C,
0x62DD1DDF,
0x15DA2D49,
0x8CD37CF3,
0xFBD44C65,
0x4DB26158,
0x3AB551CE,
0xA3BC0074,
0xD4BB30E2,
0x4ADFA541,
0x3DD895D7,
0xA4D1C46D,
0xD3D6F4FB,
0x4369E96A,
0x346ED9FC,
0xAD678846,
0xDA60B8D0,
0x44042D73,
0x33031DE5,
0xAA0A4C5F,
0xDD0D7CC9,
0x5005713C,
0x270241AA,
0xBE0B1010,
0xC90C2086,
0x5768B525,
0x206F85B3,
0xB966D409,
0xCE61E49F,
0x5EDEF90E,
0x29D9C998,
0xB0D09822,
0xC7D7A8B4,
0x59B33D17,
0x2EB40D81,
0xB7BD5C3B,
0xC0BA6CAD,
0xEDB88320,
0x9ABFB3B6,
0x03B6E20C,
0x74B1D29A,
0xEAD54739,
0x9DD277AF,
0x04DB2615,
0x73DC1683,
0xE3630B12,
0x94643B84,
0x0D6D6A3E,
0x7A6A5AA8,
0xE40ECF0B,
0x9309FF9D,
0x0A00AE27,
0x7D079EB1,
0xF00F9344,
0x8708A3D2,
0x1E01F268,
0x6906C2FE,
0xF762575D,
0x806567CB,
0x196C3671,
0x6E6B06E7,
0xFED41B76,
0x89D32BE0,
0x10DA7A5A,
0x67DD4ACC,
0xF9B9DF6F,
0x8EBEEFF9,
0x17B7BE43,
0x60B08ED5,
0xD6D6A3E8,
0xA1D1937E,
0x38D8C2C4,
0x4FDFF252,
0xD1BB67F1,
0xA6BC5767,
0x3FB506DD,
0x48B2364B,
0xD80D2BDA,
0xAF0A1B4C,
0x36034AF6,
0x41047A60,
0xDF60EFC3,
0xA867DF55,
0x316E8EEF,
0x4669BE79,
0xCB61B38C,
0xBC66831A,
0x256FD2A0,
0x5268E236,
0xCC0C7795,
0xBB0B4703,
0x220216B9,
0x5505262F,
0xC5BA3BBE,
0xB2BD0B28,
0x2BB45A92,
0x5CB36A04,
0xC2D7FFA7,
0xB5D0CF31,
0x2CD99E8B,
0x5BDEAE1D,
0x9B64C2B0,
0xEC63F226,
0x756AA39C,
0x026D930A,
0x9C0906A9,
0xEB0E363F,
0x72076785,
0x05005713,
0x95BF4A82,
0xE2B87A14,
0x7BB12BAE,
0x0CB61B38,
0x92D28E9B,
0xE5D5BE0D,
0x7CDCEFB7,
0x0BDBDF21,
0x86D3D2D4,
0xF1D4E242,
0x68DDB3F8,
0x1FDA836E,
0x81BE16CD,
0xF6B9265B,
0x6FB077E1,
0x18B74777,
0x88085AE6,
0xFF0F6A70,
0x66063BCA,
0x11010B5C,
0x8F659EFF,
0xF862AE69,
0x616BFFD3,
0x166CCF45,
0xA00AE278,
0xD70DD2EE,
0x4E048354,
0x3903B3C2,
0xA7672661,
0xD06016F7,
0x4969474D,
0x3E6E77DB,
0xAED16A4A,
0xD9D65ADC,
0x40DF0B66,
0x37D83BF0,
0xA9BCAE53,
0xDEBB9EC5,
0x47B2CF7F,
0x30B5FFE9,
0xBDBDF21C,
0xCABAC28A,
0x53B39330,
0x24B4A3A6,
0xBAD03605,
0xCDD70693,
0x54DE5729,
0x23D967BF,
0xB3667A2E,
0xC4614AB8,
0x5D681B02,
0x2A6F2B94,
0xB40BBE37,
0xC30C8EA1,
0x5A05DF1B,
0x2D02EF8D
};
uint32_t ventoy_crc32(void *Buffer, uint32_t Length)
{
uint32_t i;
uint8_t *Ptr = Buffer;
uint32_t Crc = 0xFFFFFFFF;
for (i = 0; i < Length; i++, Ptr++)
{
Crc = (Crc >> 8) ^ g_crc_table[(uint8_t) Crc ^ *Ptr];
}
return Crc ^ 0xffffffff;
}

207
Plugson/src/Core/ventoy_define.h
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@ -0,0 +1,207 @@
/******************************************************************************
* ventoy_define.h
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __VENTOY_DEFINE_H__
#define __VENTOY_DEFINE_H__
#if defined(_MSC_VER) || defined(WIN32)
#include <windows.h>
#include <stdint.h>
#else
#include <stdint.h>
#include <stdarg.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <pthread.h>
#include <time.h>
#include <linux/limits.h>
#endif
#define LOG_FILE "VentoyPlugson.log"
#define SIZE_1MB 1048576
#define SIZE_1GB 1073741824
#define JSON_BUF_MAX (8 * SIZE_1MB)
#define TAR_BUF_MAX (8 * SIZE_1MB)
#define VTOYIMG_PART_START_BYTES (1024 * 1024)
#define VTOYIMG_PART_START_SECTOR 2048
#define VTOYEFI_PART_BYTES (32 * 1024 * 1024)
#define VTOYEFI_PART_SECTORS 65536
#pragma pack(1)
typedef struct vtoy_guid
{
uint32_t data1;
uint16_t data2;
uint16_t data3;
uint8_t data4[8];
}vtoy_guid;
typedef struct PART_TABLE
{
uint8_t Active; // 0x00 0x80
uint8_t StartHead;
uint16_t StartSector : 6;
uint16_t StartCylinder : 10;
uint8_t FsFlag;
uint8_t EndHead;
uint16_t EndSector : 6;
uint16_t EndCylinder : 10;
uint32_t StartSectorId;
uint32_t SectorCount;
}PART_TABLE;
typedef struct MBR_HEAD
{
uint8_t BootCode[446];
PART_TABLE PartTbl[4];
uint8_t Byte55;
uint8_t ByteAA;
}MBR_HEAD;
typedef struct VTOY_GPT_HDR
{
char Signature[8]; /* EFI PART */
uint8_t Version[4];
uint32_t Length;
uint32_t Crc;
uint8_t Reserved1[4];
uint64_t EfiStartLBA;
uint64_t EfiBackupLBA;
uint64_t PartAreaStartLBA;
uint64_t PartAreaEndLBA;
vtoy_guid DiskGuid;
uint64_t PartTblStartLBA;
uint32_t PartTblTotNum;
uint32_t PartTblEntryLen;
uint32_t PartTblCrc;
uint8_t Reserved2[420];
}VTOY_GPT_HDR;
typedef struct VTOY_GPT_PART_TBL
{
vtoy_guid PartType;
vtoy_guid PartGuid;
uint64_t StartLBA;
uint64_t LastLBA;
uint64_t Attr;
uint16_t Name[36];
}VTOY_GPT_PART_TBL;
typedef struct VTOY_GPT_INFO
{
MBR_HEAD MBR;
VTOY_GPT_HDR Head;
VTOY_GPT_PART_TBL PartTbl[128];
}VTOY_GPT_INFO;
#pragma pack()
#define MBR_PART_STYLE 0
#define GPT_PART_STYLE 1
#pragma pack(1)
typedef struct ventoy_guid
{
uint32_t data1;
uint16_t data2;
uint16_t data3;
uint8_t data4[8];
}ventoy_guid;
#pragma pack()
#ifndef O_BINARY
#define O_BINARY 0
#endif
#define VLOG_LOG 1
#define VLOG_DEBUG 2
#define ulong unsigned long
#define _ll long long
#define _ull unsigned long long
#if defined(_MSC_VER) || defined(WIN32)
#define strlcpy(dst, src) strcpy_s(dst, sizeof(dst), src)
#define scnprintf(dst, len, fmt, ...) sprintf_s(dst, len, fmt, ##__VA_ARGS__)
#define vlog(fmt, ...) ventoy_syslog(VLOG_LOG, fmt, ##__VA_ARGS__)
#define vdebug(fmt, ...) ventoy_syslog(VLOG_DEBUG, fmt, ##__VA_ARGS__)
#define localtime_r(a,b) localtime_s(b,a)
#define LASTERR GetLastError()
#define CHECK_CLOSE_HANDLE(Handle) \
{\
if (Handle != INVALID_HANDLE_VALUE) \
{\
CloseHandle(Handle); \
Handle = INVALID_HANDLE_VALUE; \
}\
}
#else
#define strlcpy(dst, src) strncpy(dst, src, sizeof(dst) - 1)
#define scnprintf(dst, len, fmt, args...) snprintf(dst, len, fmt, ##args)
#define vlog(fmt, args...) ventoy_syslog(VLOG_LOG, fmt, ##args)
#define vdebug(fmt, args...) ventoy_syslog(VLOG_DEBUG, fmt, ##args)
#define MAX_PATH PATH_MAX
#endif
#define CHECK_FREE(p) \
{\
if (p)\
{\
free(p); \
(p) = NULL; \
}\
}
void ventoy_syslog(int level, const char *Fmt, ...);
void ventoy_set_loglevel(int level);
uint32_t ventoy_crc32(void *Buffer, uint32_t Length);
#if defined(_MSC_VER) || defined(WIN32)
static __inline void * zalloc(size_t n)
#else
static inline void * zalloc(size_t n)
#endif
{
void *p = malloc(n);
if (p) memset(p, 0, n);
return p;
}
#endif /* __VENTOY_DEFINE_H__ */

24
Plugson/src/Core/ventoy_disk.c
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/******************************************************************************
* ventoy_disk.c ---- ventoy disk
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>

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Plugson/src/Core/ventoy_disk.h
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/******************************************************************************
* ventoy_disk.h
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __VENTOY_DISK_H__
#define __VENTOY_DISK_H__
#define MAX_DISK 256
typedef struct ventoy_disk
{
char devname[64];
int pathcase;
char cur_fsname[64];
char cur_capacity[64];
char cur_model[256];
char cur_ventoy_ver[64];
int cur_secureboot;
int cur_part_style;
}ventoy_disk;
#if defined(_MSC_VER) || defined(WIN32)
#else
typedef enum
{
VTOY_DEVICE_UNKNOWN = 0,
VTOY_DEVICE_SCSI,
VTOY_DEVICE_USB,
VTOY_DEVICE_IDE,
VTOY_DEVICE_DAC960,
VTOY_DEVICE_CPQARRAY,
VTOY_DEVICE_FILE,
VTOY_DEVICE_ATARAID,
VTOY_DEVICE_I2O,
VTOY_DEVICE_UBD,
VTOY_DEVICE_DASD,
VTOY_DEVICE_VIODASD,
VTOY_DEVICE_SX8,
VTOY_DEVICE_DM,
VTOY_DEVICE_XVD,
VTOY_DEVICE_SDMMC,
VTOY_DEVICE_VIRTBLK,
VTOY_DEVICE_AOE,
VTOY_DEVICE_MD,
VTOY_DEVICE_LOOP,
VTOY_DEVICE_NVME,
VTOY_DEVICE_RAM,
VTOY_DEVICE_PMEM,
VTOY_DEVICE_END
}ventoy_dev_type;
/* from <linux/major.h> */
#define IDE0_MAJOR 3
#define IDE1_MAJOR 22
#define IDE2_MAJOR 33
#define IDE3_MAJOR 34
#define IDE4_MAJOR 56
#define IDE5_MAJOR 57
#define SCSI_CDROM_MAJOR 11
#define SCSI_DISK0_MAJOR 8
#define SCSI_DISK1_MAJOR 65
#define SCSI_DISK2_MAJOR 66
#define SCSI_DISK3_MAJOR 67
#define SCSI_DISK4_MAJOR 68
#define SCSI_DISK5_MAJOR 69
#define SCSI_DISK6_MAJOR 70
#define SCSI_DISK7_MAJOR 71
#define SCSI_DISK8_MAJOR 128
#define SCSI_DISK9_MAJOR 129
#define SCSI_DISK10_MAJOR 130
#define SCSI_DISK11_MAJOR 131
#define SCSI_DISK12_MAJOR 132
#define SCSI_DISK13_MAJOR 133
#define SCSI_DISK14_MAJOR 134
#define SCSI_DISK15_MAJOR 135
#define COMPAQ_SMART2_MAJOR 72
#define COMPAQ_SMART2_MAJOR1 73
#define COMPAQ_SMART2_MAJOR2 74
#define COMPAQ_SMART2_MAJOR3 75
#define COMPAQ_SMART2_MAJOR4 76
#define COMPAQ_SMART2_MAJOR5 77
#define COMPAQ_SMART2_MAJOR6 78
#define COMPAQ_SMART2_MAJOR7 79
#define COMPAQ_SMART_MAJOR 104
#define COMPAQ_SMART_MAJOR1 105
#define COMPAQ_SMART_MAJOR2 106
#define COMPAQ_SMART_MAJOR3 107
#define COMPAQ_SMART_MAJOR4 108
#define COMPAQ_SMART_MAJOR5 109
#define COMPAQ_SMART_MAJOR6 110
#define COMPAQ_SMART_MAJOR7 111
#define DAC960_MAJOR 48
#define ATARAID_MAJOR 114
#define I2O_MAJOR1 80
#define I2O_MAJOR2 81
#define I2O_MAJOR3 82
#define I2O_MAJOR4 83
#define I2O_MAJOR5 84
#define I2O_MAJOR6 85
#define I2O_MAJOR7 86
#define I2O_MAJOR8 87
#define UBD_MAJOR 98
#define DASD_MAJOR 94
#define VIODASD_MAJOR 112
#define AOE_MAJOR 152
#define SX8_MAJOR1 160
#define SX8_MAJOR2 161
#define XVD_MAJOR 202
#define SDMMC_MAJOR 179
#define LOOP_MAJOR 7
#define MD_MAJOR 9
#define BLKEXT_MAJOR 259
#define RAM_MAJOR 1
#define SCSI_BLK_MAJOR(M) ( \
(M) == SCSI_DISK0_MAJOR \
|| (M) == SCSI_CDROM_MAJOR \
|| ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR) \
|| ((M) >= SCSI_DISK8_MAJOR && (M) <= SCSI_DISK15_MAJOR))
#define IDE_BLK_MAJOR(M) \
((M) == IDE0_MAJOR || \
(M) == IDE1_MAJOR || \
(M) == IDE2_MAJOR || \
(M) == IDE3_MAJOR || \
(M) == IDE4_MAJOR || \
(M) == IDE5_MAJOR)
#define SX8_BLK_MAJOR(M) ((M) >= SX8_MAJOR1 && (M) <= SX8_MAJOR2)
#define I2O_BLK_MAJOR(M) ((M) >= I2O_MAJOR1 && (M) <= I2O_MAJOR8)
#define CPQARRAY_BLK_MAJOR(M) \
(((M) >= COMPAQ_SMART2_MAJOR && (M) <= COMPAQ_SMART2_MAJOR7) || \
(COMPAQ_SMART_MAJOR <= (M) && (M) <= COMPAQ_SMART_MAJOR7))
#endif
int ventoy_disk_init(void);
void ventoy_disk_exit(void);
int ventoy_get_disk_info(char **argv);
const ventoy_disk * ventoy_get_disk_list(int *num);
const ventoy_disk * ventoy_get_disk_node(int id);
int CheckRuntimeEnvironment(char Letter, ventoy_disk *disk);
#endif /* __VENTOY_DISK_H__ */

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Plugson/src/Core/ventoy_disk_linux.c
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/******************************************************************************
* ventoy_disk.c ---- ventoy disk
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <linux/fs.h>
#include <dirent.h>
#include <time.h>
#include <ventoy_define.h>
#include <ventoy_disk.h>
#include <ventoy_util.h>
#include <fat_filelib.h>
static int g_fatlib_media_fd = 0;
static uint64_t g_fatlib_media_offset = 0;
static const char *g_ventoy_dev_type_str[VTOY_DEVICE_END] =
{
"unknown", "scsi", "USB", "ide", "dac960",
"cpqarray", "file", "ataraid", "i2o",
"ubd", "dasd", "viodasd", "sx8", "dm",
"xvd", "sd/mmc", "virtblk", "aoe",
"md", "loopback", "nvme", "brd", "pmem"
};
static const char * ventoy_get_dev_type_name(ventoy_dev_type type)
{
return (type < VTOY_DEVICE_END) ? g_ventoy_dev_type_str[type] : "unknown";
}
static int ventoy_check_blk_major(int major, const char *type)
{
int flag = 0;
int valid = 0;
int devnum = 0;
int len = 0;
char line[64];
char *pos = NULL;
FILE *fp = NULL;
fp = fopen("/proc/devices", "r");
if (!fp)
{
return 0;
}
len = (int)strlen(type);
while (fgets(line, sizeof(line), fp))
{
if (flag)
{
pos = strchr(line, ' ');
if (pos)
{
devnum = (int)strtol(line, NULL, 10);
if (devnum == major)
{
if (strncmp(pos + 1, type, len) == 0)
{
valid = 1;
}
break;
}
}
}
else if (strncmp(line, "Block devices:", 14) == 0)
{
flag = 1;
}
}
fclose(fp);
return valid;
}
static int ventoy_get_disk_devnum(const char *name, int *major, int* minor)
{
int rc;
char *pos;
char devnum[16] = {0};
rc = ventoy_get_sys_file_line(devnum, sizeof(devnum), "/sys/block/%s/dev", name);
if (rc)
{
return 1;
}
pos = strstr(devnum, ":");
if (!pos)
{
return 1;
}
*major = (int)strtol(devnum, NULL, 10);
*minor = (int)strtol(pos + 1, NULL, 10);
return 0;
}
static ventoy_dev_type ventoy_get_dev_type(const char *name, int major, int minor)
{
int rc;
char syspath[128];
char dstpath[256];
memset(syspath, 0, sizeof(syspath));
memset(dstpath, 0, sizeof(dstpath));
scnprintf(syspath, sizeof(syspath), "/sys/block/%s", name);
rc = readlink(syspath, dstpath, sizeof(dstpath) - 1);
if (rc > 0 && strstr(dstpath, "/usb"))
{
return VTOY_DEVICE_USB;
}
if (SCSI_BLK_MAJOR(major) && (minor % 0x10 == 0))
{
return VTOY_DEVICE_SCSI;
}
else if (IDE_BLK_MAJOR(major) && (minor % 0x40 == 0))
{
return VTOY_DEVICE_IDE;
}
else if (major == DAC960_MAJOR && (minor % 0x8 == 0))
{
return VTOY_DEVICE_DAC960;
}
else if (major == ATARAID_MAJOR && (minor % 0x10 == 0))
{
return VTOY_DEVICE_ATARAID;
}
else if (major == AOE_MAJOR && (minor % 0x10 == 0))
{
return VTOY_DEVICE_AOE;
}
else if (major == DASD_MAJOR && (minor % 0x4 == 0))
{
return VTOY_DEVICE_DASD;
}
else if (major == VIODASD_MAJOR && (minor % 0x8 == 0))
{
return VTOY_DEVICE_VIODASD;
}
else if (SX8_BLK_MAJOR(major) && (minor % 0x20 == 0))
{
return VTOY_DEVICE_SX8;
}
else if (I2O_BLK_MAJOR(major) && (minor % 0x10 == 0))
{
return VTOY_DEVICE_I2O;
}
else if (CPQARRAY_BLK_MAJOR(major) && (minor % 0x10 == 0))
{
return VTOY_DEVICE_CPQARRAY;
}
else if (UBD_MAJOR == major && (minor % 0x10 == 0))
{
return VTOY_DEVICE_UBD;
}
else if (XVD_MAJOR == major && (minor % 0x10 == 0))
{
return VTOY_DEVICE_XVD;
}
else if (SDMMC_MAJOR == major && (minor % 0x8 == 0))
{
return VTOY_DEVICE_SDMMC;
}
else if (ventoy_check_blk_major(major, "virtblk"))
{
return VTOY_DEVICE_VIRTBLK;
}
else if (major == LOOP_MAJOR)
{
return VTOY_DEVICE_LOOP;
}
else if (major == MD_MAJOR)
{
return VTOY_DEVICE_MD;
}
else if (major == RAM_MAJOR)
{
return VTOY_DEVICE_RAM;
}
else if (strstr(name, "nvme") && ventoy_check_blk_major(major, "blkext"))
{
return VTOY_DEVICE_NVME;
}
else if (strstr(name, "pmem") && ventoy_check_blk_major(major, "blkext"))
{
return VTOY_DEVICE_PMEM;
}
return VTOY_DEVICE_END;
}
static int ventoy_is_possible_blkdev(const char *name)
{
if (name[0] == '.')
{
return 0;
}
/* /dev/ramX */
if (name[0] == 'r' && name[1] == 'a' && name[2] == 'm')
{
return 0;
}
/* /dev/zramX */
if (name[0] == 'z' && name[1] == 'r' && name[2] == 'a' && name[3] == 'm')
{
return 0;
}
/* /dev/loopX */
if (name[0] == 'l' && name[1] == 'o' && name[2] == 'o' && name[3] == 'p')
{
return 0;
}
/* /dev/dm-X */
if (name[0] == 'd' && name[1] == 'm' && name[2] == '-' && isdigit(name[3]))
{
return 0;
}
/* /dev/srX */
if (name[0] == 's' && name[1] == 'r' && isdigit(name[2]))
{
return 0;
}
return 1;
}
uint64_t ventoy_get_disk_size_in_byte(const char *disk)
{
int fd;
int rc;
unsigned long long size = 0;
char diskpath[256] = {0};
char sizebuf[64] = {0};
// Try 1: get size from sysfs
scnprintf(diskpath, sizeof(diskpath) - 1, "/sys/block/%s/size", disk);
if (access(diskpath, F_OK) >= 0)
{
vdebug("get disk size from sysfs for %s\n", disk);
fd = open(diskpath, O_RDONLY | O_BINARY);
if (fd >= 0)
{
read(fd, sizebuf, sizeof(sizebuf));
size = strtoull(sizebuf, NULL, 10);
close(fd);
return (uint64_t)(size * 512);
}
}
else
{
vdebug("%s not exist \n", diskpath);
}
// Try 2: get size from ioctl
scnprintf(diskpath, sizeof(diskpath) - 1, "/dev/%s", disk);
fd = open(diskpath, O_RDONLY);
if (fd >= 0)
{
vdebug("get disk size from ioctl for %s\n", disk);
rc = ioctl(fd, BLKGETSIZE64, &size);
if (rc == -1)
{
size = 0;
vdebug("failed to ioctl %d\n", rc);
}
close(fd);
}
else
{
vdebug("failed to open %s %d\n", diskpath, errno);
}
vdebug("disk %s size %llu bytes\n", disk, size);
return size;
}
int ventoy_get_disk_vendor(const char *name, char *vendorbuf, int bufsize)
{
return ventoy_get_sys_file_line(vendorbuf, bufsize, "/sys/block/%s/device/vendor", name);
}
int ventoy_get_disk_model(const char *name, char *modelbuf, int bufsize)
{
return ventoy_get_sys_file_line(modelbuf, bufsize, "/sys/block/%s/device/model", name);
}
static int fatlib_media_sector_read(uint32 sector, uint8 *buffer, uint32 sector_count)
{
lseek(g_fatlib_media_fd, (sector + g_fatlib_media_offset) * 512ULL, SEEK_SET);
read(g_fatlib_media_fd, buffer, sector_count * 512);
return 1;
}
static int fatlib_is_secure_boot_enable(void)
{
void *flfile = NULL;
flfile = fl_fopen("/EFI/BOOT/grubx64_real.efi", "rb");
if (flfile)
{
vlog("/EFI/BOOT/grubx64_real.efi find, secure boot in enabled\n");
fl_fclose(flfile);
return 1;
}
else
{
vlog("/EFI/BOOT/grubx64_real.efi not exist\n");
}
return 0;
}
static int fatlib_get_ventoy_version(char *verbuf, int bufsize)
{
int rc = 1;
int size = 0;
char *buf = NULL;
char *pos = NULL;
char *end = NULL;
void *flfile = NULL;
flfile = fl_fopen("/grub/grub.cfg", "rb");
if (flfile)
{
fl_fseek(flfile, 0, SEEK_END);
size = (int)fl_ftell(flfile);
fl_fseek(flfile, 0, SEEK_SET);
buf = malloc(size + 1);
if (buf)
{
fl_fread(buf, 1, size, flfile);
buf[size] = 0;
pos = strstr(buf, "VENTOY_VERSION=");
if (pos)
{
pos += strlen("VENTOY_VERSION=");
if (*pos == '"')
{
pos++;
}
end = pos;
while (*end != 0 && *end != '"' && *end != '\r' && *end != '\n')
{
end++;
}
*end = 0;
scnprintf(verbuf, bufsize - 1, "%s", pos);
rc = 0;
}
free(buf);
}
fl_fclose(flfile);
}
else
{
vdebug("No grub.cfg found\n");
}
return rc;
}
/* <BEGIN>: Deleted by longpanda, 20211028 PN:XX LABEL:XX */
#if 0
int ventoy_get_vtoy_data(ventoy_disk *info, int *ppartstyle)
{
int i;
int fd;
int len;
int rc = 1;
int ret = 1;
int part_style;
uint64_t part1_start_sector;
uint64_t part1_sector_count;
uint64_t part2_start_sector;
uint64_t part2_sector_count;
uint64_t preserved_space;
char name[64] = {0};
disk_ventoy_data *vtoy = NULL;
VTOY_GPT_INFO *gpt = NULL;
vtoy = &(info->vtoydata);
gpt = &(vtoy->gptinfo);
memset(vtoy, 0, sizeof(disk_ventoy_data));
vdebug("ventoy_get_vtoy_data %s\n", info->disk_path);
if (info->size_in_byte < (2 * VTOYEFI_PART_BYTES))
{
vdebug("disk %s is too small %llu\n", info->disk_path, (_ull)info->size_in_byte);
return 1;
}
fd = open(info->disk_path, O_RDONLY | O_BINARY);
if (fd < 0)
{
vdebug("failed to open %s %d\n", info->disk_path, errno);
return 1;
}
len = (int)read(fd, &(vtoy->gptinfo), sizeof(VTOY_GPT_INFO));
if (len != sizeof(VTOY_GPT_INFO))
{
vdebug("failed to read %s %d\n", info->disk_path, errno);
goto end;
}
if (gpt->MBR.Byte55 != 0x55 || gpt->MBR.ByteAA != 0xAA)
{
vdebug("Invalid mbr magic 0x%x 0x%x\n", gpt->MBR.Byte55, gpt->MBR.ByteAA);
goto end;
}
if (gpt->MBR.PartTbl[0].FsFlag == 0xEE && strncmp(gpt->Head.Signature, "EFI PART", 8) == 0)
{
part_style = GPT_PART_STYLE;
if (ppartstyle)
{
*ppartstyle = part_style;
}
if (gpt->PartTbl[0].StartLBA == 0 || gpt->PartTbl[1].StartLBA == 0)
{
vdebug("NO ventoy efi part layout <%llu %llu>\n",
(_ull)gpt->PartTbl[0].StartLBA,
(_ull)gpt->PartTbl[1].StartLBA);
goto end;
}
for (i = 0; i < 36; i++)
{
name[i] = (char)(gpt->PartTbl[1].Name[i]);
}
if (strcmp(name, "VTOYEFI"))
{
vdebug("Invalid efi part2 name <%s>\n", name);
goto end;
}
part1_start_sector = gpt->PartTbl[0].StartLBA;
part1_sector_count = gpt->PartTbl[0].LastLBA - part1_start_sector + 1;
part2_start_sector = gpt->PartTbl[1].StartLBA;
part2_sector_count = gpt->PartTbl[1].LastLBA - part2_start_sector + 1;
preserved_space = info->size_in_byte - (part2_start_sector + part2_sector_count + 33) * 512;
}
else
{
part_style = MBR_PART_STYLE;
if (ppartstyle)
{
*ppartstyle = part_style;
}
part1_start_sector = gpt->MBR.PartTbl[0].StartSectorId;
part1_sector_count = gpt->MBR.PartTbl[0].SectorCount;
part2_start_sector = gpt->MBR.PartTbl[1].StartSectorId;
part2_sector_count = gpt->MBR.PartTbl[1].SectorCount;
preserved_space = info->size_in_byte - (part2_start_sector + part2_sector_count) * 512;
}
if (part1_start_sector != VTOYIMG_PART_START_SECTOR ||
part2_sector_count != VTOYEFI_PART_SECTORS ||
(part1_start_sector + part1_sector_count) != part2_start_sector)
{
vdebug("Not valid ventoy partition layout [%llu %llu] [%llu %llu]\n",
part1_start_sector, part1_sector_count, part2_start_sector, part2_sector_count);
goto end;
}
vdebug("ventoy partition layout check OK: [%llu %llu] [%llu %llu]\n",
part1_start_sector, part1_sector_count, part2_start_sector, part2_sector_count);
vtoy->ventoy_valid = 1;
vdebug("now check secure boot for %s ...\n", info->disk_path);
g_fatlib_media_fd = fd;
g_fatlib_media_offset = part2_start_sector;
fl_init();
if (0 == fl_attach_media(fatlib_media_sector_read, NULL))
{
ret = fatlib_get_ventoy_version(vtoy->ventoy_ver, sizeof(vtoy->ventoy_ver));
if (ret == 0 && vtoy->ventoy_ver[0])
{
vtoy->secure_boot_flag = fatlib_is_secure_boot_enable();
}
else
{
vdebug("fatlib_get_ventoy_version failed %d\n", ret);
}
}
else
{
vdebug("fl_attach_media failed\n");
}
fl_shutdown();
g_fatlib_media_fd = -1;
g_fatlib_media_offset = 0;
if (vtoy->ventoy_ver[0] == 0)
{
vtoy->ventoy_ver[0] = '?';
}
if (0 == vtoy->ventoy_valid)
{
goto end;
}
lseek(fd, 2040 * 512, SEEK_SET);
read(fd, vtoy->rsvdata, sizeof(vtoy->rsvdata));
vtoy->preserved_space = preserved_space;
vtoy->partition_style = part_style;
vtoy->part2_start_sector = part2_start_sector;
rc = 0;
end:
vtoy_safe_close_fd(fd);
return rc;
}
#endif /* #if 0 */
/* <END> : Deleted by longpanda, 20211028 PN:XX LABEL:XX */
int ventoy_get_disk_info(char **argv)
{
uint64_t size;
char vendor[128];
char model[128];
char *disk = argv[4];
if (strncmp(argv[4], "/dev/", 4) == 0)
{
disk += 4;
}
ventoy_get_disk_vendor(disk, vendor, sizeof(vendor));
ventoy_get_disk_model(disk, model, sizeof(model));
scnprintf(g_sysinfo.cur_model, sizeof(g_sysinfo.cur_model), "%s %s [%s]", vendor, model, argv[4]);
strlcpy(g_sysinfo.cur_ventoy_ver, argv[5]);
strlcpy(g_sysinfo.cur_fsname, argv[6]);
g_sysinfo.cur_part_style = (int)strtol(argv[7], NULL, 10);
g_sysinfo.cur_secureboot = (int)strtol(argv[8], NULL, 10);
size = ventoy_get_disk_size_in_byte(disk);
scnprintf(g_sysinfo.cur_capacity, sizeof(g_sysinfo.cur_capacity), "%dGB", (int)ventoy_get_human_readable_gb(size));
return 0;
}
int ventoy_disk_init(void)
{
return 0;
}
void ventoy_disk_exit(void)
{
}

88
Plugson/src/Core/ventoy_disk_windows.c
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@ -0,0 +1,88 @@
/******************************************************************************
* ventoy_disk.c ---- ventoy disk
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <windows.h>
#include <stdlib.h>
#include <stdint.h>
#include <time.h>
#include <ventoy_define.h>
#include <ventoy_disk.h>
#include <ventoy_util.h>
#include <fat_filelib.h>
static int g_disk_num = 0;
ventoy_disk *g_disk_list = NULL;
int ventoy_disk_init(void)
{
char Letter = 'A';
DWORD Drives = GetLogicalDrives();
vlog("ventoy disk init ...\n");
g_disk_list = zalloc(sizeof(ventoy_disk) * MAX_DISK);
while (Drives)
{
if (Drives & 0x01)
{
if (CheckRuntimeEnvironment(Letter, g_disk_list + g_disk_num) == 0)
{
g_disk_list[g_disk_num].devname[0] = Letter;
g_disk_num++;
vlog("%C: is ventoy disk\n", Letter);
}
else
{
memset(g_disk_list + g_disk_num, 0, sizeof(ventoy_disk));
vlog("%C: is NOT ventoy disk\n", Letter);
}
}
Letter++;
Drives >>= 1;
}
return 0;
}
void ventoy_disk_exit(void)
{
vlog("ventoy disk exit ...\n");
check_free(g_disk_list);
g_disk_list = NULL;
g_disk_num = 0;
}
const ventoy_disk * ventoy_get_disk_list(int *num)
{
*num = g_disk_num;
return g_disk_list;
}
const ventoy_disk * ventoy_get_disk_node(int id)
{
if (id >= 0 && id < g_disk_num)
{
return g_disk_list + id;
}
return NULL;
}

803
Plugson/src/Core/ventoy_json.c
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/******************************************************************************
* ventoy_json.c
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#if defined(_MSC_VER) || defined(WIN32)
#else
#include <unistd.h>
#include <sys/types.h>
#include <linux/limits.h>
#endif
#include <ventoy_define.h>
#include <ventoy_util.h>
#include <ventoy_json.h>
static void vtoy_json_free(VTOY_JSON *pstJsonHead)
{
VTOY_JSON *pstNext = NULL;
while (NULL != pstJsonHead)
{
pstNext = pstJsonHead->pstNext;
if ((pstJsonHead->enDataType < JSON_TYPE_BUTT) && (NULL != pstJsonHead->pstChild))
{
vtoy_json_free(pstJsonHead->pstChild);
}
free(pstJsonHead);
pstJsonHead = pstNext;
}
return;
}
static char *vtoy_json_skip(const char *pcData)
{
while ((NULL != pcData) && ('\0' != *pcData) && (*pcData <= 32))
{
pcData++;
}
return (char *)pcData;
}
VTOY_JSON *vtoy_json_find_item
(
VTOY_JSON *pstJson,
JSON_TYPE enDataType,
const char *szKey
)
{
while (NULL != pstJson)
{
if ((enDataType == pstJson->enDataType) &&
(0 == strcmp(szKey, pstJson->pcName)))
{
return pstJson;
}
pstJson = pstJson->pstNext;
}
return NULL;
}
static int vtoy_json_parse_number
(
VTOY_JSON *pstJson,
const char *pcData,
const char **ppcEnd
)
{
unsigned long Value;
Value = strtoul(pcData, (char **)ppcEnd, 10);
if (*ppcEnd == pcData)
{
vdebug("Failed to parse json number %s.\n", pcData);
return JSON_FAILED;
}
pstJson->enDataType = JSON_TYPE_NUMBER;
pstJson->unData.lValue = Value;
return JSON_SUCCESS;
}
static int vtoy_json_parse_string
(
char *pcNewStart,
char *pcRawStart,
VTOY_JSON *pstJson,
const char *pcData,
const char **ppcEnd
)
{
uint32_t uiLen = 0;
const char *pcPos = NULL;
const char *pcTmp = pcData + 1;
*ppcEnd = pcData;
if ('\"' != *pcData)
{
return JSON_FAILED;
}
pcPos = strchr(pcTmp, '\"');
if ((NULL == pcPos) || (pcPos < pcTmp))
{
vdebug("Invalid string %s.\n", pcData);
return JSON_FAILED;
}
if (*(pcPos - 1) == '\\')
{
for (pcPos++; *pcPos; pcPos++)
{
if (*pcPos == '"' && *(pcPos - 1) != '\\')
{
break;
}
}
if (*pcPos == 0 || pcPos < pcTmp)
{
vdebug("Invalid quotes string %s.", pcData);
return JSON_FAILED;
}
}
*ppcEnd = pcPos + 1;
uiLen = (uint32_t)(unsigned long)(pcPos - pcTmp);
pstJson->enDataType = JSON_TYPE_STRING;
pstJson->unData.pcStrVal = pcNewStart + (pcTmp - pcRawStart);
pstJson->unData.pcStrVal[uiLen] = '\0';
return JSON_SUCCESS;
}
static int vtoy_json_parse_array
(
char *pcNewStart,
char *pcRawStart,
VTOY_JSON *pstJson,
const char *pcData,
const char **ppcEnd
)
{
int Ret = JSON_SUCCESS;
VTOY_JSON *pstJsonChild = NULL;
VTOY_JSON *pstJsonItem = NULL;
const char *pcTmp = pcData + 1;
*ppcEnd = pcData;
pstJson->enDataType = JSON_TYPE_ARRAY;
if ('[' != *pcData)
{
return JSON_FAILED;
}
pcTmp = vtoy_json_skip(pcTmp);
if (']' == *pcTmp)
{
*ppcEnd = pcTmp + 1;
return JSON_SUCCESS;
}
JSON_NEW_ITEM(pstJson->pstChild, JSON_FAILED);
Ret = vtoy_json_parse_value(pcNewStart, pcRawStart, pstJson->pstChild, pcTmp, ppcEnd);
if (JSON_SUCCESS != Ret)
{
vdebug("Failed to parse array child.\n");
return JSON_FAILED;
}
pstJsonChild = pstJson->pstChild;
pcTmp = vtoy_json_skip(*ppcEnd);
while ((NULL != pcTmp) && (',' == *pcTmp))
{
JSON_NEW_ITEM(pstJsonItem, JSON_FAILED);
pstJsonChild->pstNext = pstJsonItem;
pstJsonItem->pstPrev = pstJsonChild;
pstJsonChild = pstJsonItem;
Ret = vtoy_json_parse_value(pcNewStart, pcRawStart, pstJsonChild, vtoy_json_skip(pcTmp + 1), ppcEnd);
if (JSON_SUCCESS != Ret)
{
vdebug("Failed to parse array child.\n");
return JSON_FAILED;
}
pcTmp = vtoy_json_skip(*ppcEnd);
}
if ((NULL != pcTmp) && (']' == *pcTmp))
{
*ppcEnd = pcTmp + 1;
return JSON_SUCCESS;
}
else
{
*ppcEnd = pcTmp;
return JSON_FAILED;
}
}
static int vtoy_json_parse_object
(
char *pcNewStart,
char *pcRawStart,
VTOY_JSON *pstJson,
const char *pcData,
const char **ppcEnd
)
{
int Ret = JSON_SUCCESS;
VTOY_JSON *pstJsonChild = NULL;
VTOY_JSON *pstJsonItem = NULL;
const char *pcTmp = pcData + 1;
*ppcEnd = pcData;
pstJson->enDataType = JSON_TYPE_OBJECT;
if ('{' != *pcData)
{
return JSON_FAILED;
}
pcTmp = vtoy_json_skip(pcTmp);
if ('}' == *pcTmp)
{
*ppcEnd = pcTmp + 1;
return JSON_SUCCESS;
}
JSON_NEW_ITEM(pstJson->pstChild, JSON_FAILED);
Ret = vtoy_json_parse_string(pcNewStart, pcRawStart, pstJson->pstChild, pcTmp, ppcEnd);
if (JSON_SUCCESS != Ret)
{
vdebug("Failed to parse array child.\n");
return JSON_FAILED;
}
pstJsonChild = pstJson->pstChild;
pstJsonChild->pcName = pstJsonChild->unData.pcStrVal;
pstJsonChild->unData.pcStrVal = NULL;
pcTmp = vtoy_json_skip(*ppcEnd);
if ((NULL == pcTmp) || (':' != *pcTmp))
{
*ppcEnd = pcTmp;
return JSON_FAILED;
}
Ret = vtoy_json_parse_value(pcNewStart, pcRawStart, pstJsonChild, vtoy_json_skip(pcTmp + 1), ppcEnd);
if (JSON_SUCCESS != Ret)
{
vdebug("Failed to parse array child.\n");
return JSON_FAILED;
}
pcTmp = vtoy_json_skip(*ppcEnd);
while ((NULL != pcTmp) && (',' == *pcTmp))
{
JSON_NEW_ITEM(pstJsonItem, JSON_FAILED);
pstJsonChild->pstNext = pstJsonItem;
pstJsonItem->pstPrev = pstJsonChild;
pstJsonChild = pstJsonItem;
Ret = vtoy_json_parse_string(pcNewStart, pcRawStart, pstJsonChild, vtoy_json_skip(pcTmp + 1), ppcEnd);
if (JSON_SUCCESS != Ret)
{
vdebug("Failed to parse array child.\n");
return JSON_FAILED;
}
pcTmp = vtoy_json_skip(*ppcEnd);
pstJsonChild->pcName = pstJsonChild->unData.pcStrVal;
pstJsonChild->unData.pcStrVal = NULL;
if ((NULL == pcTmp) || (':' != *pcTmp))
{
*ppcEnd = pcTmp;
return JSON_FAILED;
}
Ret = vtoy_json_parse_value(pcNewStart, pcRawStart, pstJsonChild, vtoy_json_skip(pcTmp + 1), ppcEnd);
if (JSON_SUCCESS != Ret)
{
vdebug("Failed to parse array child.\n");
return JSON_FAILED;
}
pcTmp = vtoy_json_skip(*ppcEnd);
}
if ((NULL != pcTmp) && ('}' == *pcTmp))
{
*ppcEnd = pcTmp + 1;
return JSON_SUCCESS;
}
else
{
*ppcEnd = pcTmp;
return JSON_FAILED;
}
}
int vtoy_json_parse_value
(
char *pcNewStart,
char *pcRawStart,
VTOY_JSON *pstJson,
const char *pcData,
const char **ppcEnd
)
{
pcData = vtoy_json_skip(pcData);
switch (*pcData)
{
case 'n':
{
if (0 == strncmp(pcData, "null", 4))
{
pstJson->enDataType = JSON_TYPE_NULL;
*ppcEnd = pcData + 4;
return JSON_SUCCESS;
}
break;
}
case 'f':
{
if (0 == strncmp(pcData, "false", 5))
{
pstJson->enDataType = JSON_TYPE_BOOL;
pstJson->unData.lValue = 0;
*ppcEnd = pcData + 5;
return JSON_SUCCESS;
}
break;
}
case 't':
{
if (0 == strncmp(pcData, "true", 4))
{
pstJson->enDataType = JSON_TYPE_BOOL;
pstJson->unData.lValue = 1;
*ppcEnd = pcData + 4;
return JSON_SUCCESS;
}
break;
}
case '\"':
{
return vtoy_json_parse_string(pcNewStart, pcRawStart, pstJson, pcData, ppcEnd);
}
case '[':
{
return vtoy_json_parse_array(pcNewStart, pcRawStart, pstJson, pcData, ppcEnd);
}
case '{':
{
return vtoy_json_parse_object(pcNewStart, pcRawStart, pstJson, pcData, ppcEnd);
}
case '-':
{
return vtoy_json_parse_number(pstJson, pcData, ppcEnd);
}
default :
{
if (*pcData >= '0' && *pcData <= '9')
{
return vtoy_json_parse_number(pstJson, pcData, ppcEnd);
}
}
}
*ppcEnd = pcData;
vdebug("Invalid json data %u.\n", (uint8_t)(*pcData));
return JSON_FAILED;
}
VTOY_JSON * vtoy_json_create(void)
{
VTOY_JSON *pstJson = NULL;
pstJson = (VTOY_JSON *)zalloc(sizeof(VTOY_JSON));
if (NULL == pstJson)
{
return NULL;
}
return pstJson;
}
int vtoy_json_parse(VTOY_JSON *pstJson, const char *szJsonData)
{
uint32_t uiMemSize = 0;
int Ret = JSON_SUCCESS;
char *pcNewBuf = NULL;
const char *pcEnd = NULL;
uiMemSize = strlen(szJsonData) + 1;
pcNewBuf = (char *)malloc(uiMemSize);
if (NULL == pcNewBuf)
{
vdebug("Failed to alloc new buf.\n");
return JSON_FAILED;
}
memcpy(pcNewBuf, szJsonData, uiMemSize);
pcNewBuf[uiMemSize - 1] = 0;
Ret = vtoy_json_parse_value(pcNewBuf, (char *)szJsonData, pstJson, szJsonData, &pcEnd);
if (JSON_SUCCESS != Ret)
{
vdebug("Failed to parse json data start=%p, end=%p.\n", szJsonData, pcEnd);
return JSON_FAILED;
}
return JSON_SUCCESS;
}
int vtoy_json_parse_ex(VTOY_JSON *pstJson, const char *szJsonData, int szLen)
{
uint32_t uiMemSize = 0;
int Ret = JSON_SUCCESS;
char *pcNewBuf = NULL;
const char *pcEnd = NULL;
uiMemSize = (uint32_t)szLen;
pcNewBuf = (char *)malloc(uiMemSize + 1);
if (NULL == pcNewBuf)
{
vdebug("Failed to alloc new buf.\n");
return JSON_FAILED;
}
memcpy(pcNewBuf, szJsonData, szLen);
pcNewBuf[uiMemSize] = 0;
Ret = vtoy_json_parse_value(pcNewBuf, (char *)szJsonData, pstJson, szJsonData, &pcEnd);
if (JSON_SUCCESS != Ret)
{
vdebug("Failed to parse json data start=%p, end=%p\n", szJsonData, pcEnd);
return JSON_FAILED;
}
return JSON_SUCCESS;
}
int vtoy_json_scan_parse
(
const VTOY_JSON *pstJson,
uint32_t uiParseNum,
VTOY_JSON_PARSE_S *pstJsonParse
)
{
uint32_t i = 0;
const VTOY_JSON *pstJsonCur = NULL;
VTOY_JSON_PARSE_S *pstCurParse = NULL;
for (pstJsonCur = pstJson; NULL != pstJsonCur; pstJsonCur = pstJsonCur->pstNext)
{
if ((JSON_TYPE_OBJECT == pstJsonCur->enDataType) ||
(JSON_TYPE_ARRAY == pstJsonCur->enDataType))
{
continue;
}
for (i = 0, pstCurParse = NULL; i < uiParseNum; i++)
{
if (0 == strcmp(pstJsonParse[i].pcKey, pstJsonCur->pcName))
{
pstCurParse = pstJsonParse + i;
break;
}
}
if (NULL == pstCurParse)
{
continue;
}
switch (pstJsonCur->enDataType)
{
case JSON_TYPE_NUMBER:
{
if (sizeof(uint32_t) == pstCurParse->uiBufSize)
{
*(uint32_t *)(pstCurParse->pDataBuf) = (uint32_t)pstJsonCur->unData.lValue;
}
else if (sizeof(uint16_t) == pstCurParse->uiBufSize)
{
*(uint16_t *)(pstCurParse->pDataBuf) = (uint16_t)pstJsonCur->unData.lValue;
}
else if (sizeof(uint8_t) == pstCurParse->uiBufSize)
{
*(uint8_t *)(pstCurParse->pDataBuf) = (uint8_t)pstJsonCur->unData.lValue;
}
else if ((pstCurParse->uiBufSize > sizeof(uint64_t)))
{
scnprintf((char *)pstCurParse->pDataBuf, pstCurParse->uiBufSize, "%llu",
(unsigned long long)(pstJsonCur->unData.lValue));
}
else
{
vdebug("Invalid number data buf size %u.\n", pstCurParse->uiBufSize);
}
break;
}
case JSON_TYPE_STRING:
{
scnprintf((char *)pstCurParse->pDataBuf, pstCurParse->uiBufSize, "%s", pstJsonCur->unData.pcStrVal);
break;
}
case JSON_TYPE_BOOL:
{
*(uint8_t *)(pstCurParse->pDataBuf) = (pstJsonCur->unData.lValue) > 0 ? 1 : 0;
break;
}
default :
{
break;
}
}
}
return JSON_SUCCESS;
}
int vtoy_json_scan_array
(
VTOY_JSON *pstJson,
const char *szKey,
VTOY_JSON **ppstArrayItem
)
{
VTOY_JSON *pstJsonItem = NULL;
pstJsonItem = vtoy_json_find_item(pstJson, JSON_TYPE_ARRAY, szKey);
if (NULL == pstJsonItem)
{
vdebug("Key %s is not found in json data.\n", szKey);
return JSON_NOT_FOUND;
}
*ppstArrayItem = pstJsonItem;
return JSON_SUCCESS;
}
int vtoy_json_scan_array_ex
(
VTOY_JSON *pstJson,
const char *szKey,
VTOY_JSON **ppstArrayItem
)
{
VTOY_JSON *pstJsonItem = NULL;
pstJsonItem = vtoy_json_find_item(pstJson, JSON_TYPE_ARRAY, szKey);
if (NULL == pstJsonItem)
{
vdebug("Key %s is not found in json data.\n", szKey);
return JSON_NOT_FOUND;
}
*ppstArrayItem = pstJsonItem->pstChild;
return JSON_SUCCESS;
}
int vtoy_json_scan_object
(
VTOY_JSON *pstJson,
const char *szKey,
VTOY_JSON **ppstObjectItem
)
{
VTOY_JSON *pstJsonItem = NULL;
pstJsonItem = vtoy_json_find_item(pstJson, JSON_TYPE_OBJECT, szKey);
if (NULL == pstJsonItem)
{
vdebug("Key %s is not found in json data.\n", szKey);
return JSON_NOT_FOUND;
}
*ppstObjectItem = pstJsonItem;
return JSON_SUCCESS;
}
int vtoy_json_get_int
(
VTOY_JSON *pstJson,
const char *szKey,
int *piValue
)
{
VTOY_JSON *pstJsonItem = NULL;
pstJsonItem = vtoy_json_find_item(pstJson, JSON_TYPE_NUMBER, szKey);
if (NULL == pstJsonItem)
{
//vdebug("Key %s is not found in json data.\n", szKey);
return JSON_NOT_FOUND;
}
*piValue = (int)pstJsonItem->unData.lValue;
return JSON_SUCCESS;
}
int vtoy_json_get_uint
(
VTOY_JSON *pstJson,
const char *szKey,
uint32_t *puiValue
)
{
VTOY_JSON *pstJsonItem = NULL;
pstJsonItem = vtoy_json_find_item(pstJson, JSON_TYPE_NUMBER, szKey);
if (NULL == pstJsonItem)
{
vdebug("Key %s is not found in json data.\n", szKey);
return JSON_NOT_FOUND;
}
*puiValue = (uint32_t)pstJsonItem->unData.lValue;
return JSON_SUCCESS;
}
int vtoy_json_get_uint64
(
VTOY_JSON *pstJson,
const char *szKey,
uint64_t *pui64Value
)
{
VTOY_JSON *pstJsonItem = NULL;
pstJsonItem = vtoy_json_find_item(pstJson, JSON_TYPE_NUMBER, szKey);
if (NULL == pstJsonItem)
{
vdebug("Key %s is not found in json data.\n", szKey);
return JSON_NOT_FOUND;
}
*pui64Value = (uint64_t)pstJsonItem->unData.lValue;
return JSON_SUCCESS;
}
int vtoy_json_get_bool
(
VTOY_JSON *pstJson,
const char *szKey,
uint8_t *pbValue
)
{
VTOY_JSON *pstJsonItem = NULL;
pstJsonItem = vtoy_json_find_item(pstJson, JSON_TYPE_BOOL, szKey);
if (NULL == pstJsonItem)
{
vdebug("Key %s is not found in json data.\n", szKey);
return JSON_NOT_FOUND;
}
*pbValue = pstJsonItem->unData.lValue > 0 ? 1 : 0;
return JSON_SUCCESS;
}
int vtoy_json_get_string
(
VTOY_JSON *pstJson,
const char *szKey,
uint32_t uiBufLen,
char *pcBuf
)
{
VTOY_JSON *pstJsonItem = NULL;
pstJsonItem = vtoy_json_find_item(pstJson, JSON_TYPE_STRING, szKey);
if (NULL == pstJsonItem)
{
//vdebug("Key %s is not found in json data.\n", szKey);
return JSON_NOT_FOUND;
}
scnprintf(pcBuf, uiBufLen, "%s", pstJsonItem->unData.pcStrVal);
return JSON_SUCCESS;
}
const char * vtoy_json_get_string_ex(VTOY_JSON *pstJson, const char *szKey)
{
VTOY_JSON *pstJsonItem = NULL;
if ((NULL == pstJson) || (NULL == szKey))
{
return NULL;
}
pstJsonItem = vtoy_json_find_item(pstJson, JSON_TYPE_STRING, szKey);
if (NULL == pstJsonItem)
{
//vdebug("Key %s is not found in json data.\n", szKey);
return NULL;
}
return pstJsonItem->unData.pcStrVal;
}
int vtoy_json_destroy(VTOY_JSON *pstJson)
{
if (NULL == pstJson)
{
return JSON_SUCCESS;
}
if (NULL != pstJson->pstChild)
{
vtoy_json_free(pstJson->pstChild);
}
if (NULL != pstJson->pstNext)
{
vtoy_json_free(pstJson->pstNext);
}
free(pstJson);
return JSON_SUCCESS;
}
int vtoy_json_escape_string(char *buf, int buflen, const char *str, int newline)
{
char last = 0;
int count = 0;
*buf++ = '"';
count++;
while (*str)
{
if (*str == '"' && last != '\\')
{
*buf = '\\';
count++;
buf++;
}
*buf = *str;
count++;
buf++;
last = *str;
str++;
}
*buf++ = '"';
count++;
*buf++ = ',';
count++;
if (newline)
{
*buf++ = '\n';
count++;
}
return count;
}

436
Plugson/src/Core/ventoy_json.h
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/******************************************************************************
* ventoy_json.h
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __VENTOY_JSON_H__
#define __VENTOY_JSON_H__
#define JSON_NEW_ITEM(pstJson, ret) \
{ \
(pstJson) = (VTOY_JSON *)zalloc(sizeof(VTOY_JSON)); \
if (NULL == (pstJson)) \
{ \
vdebug("Failed to alloc memory for json."); \
return (ret); \
} \
}
#if defined(_MSC_VER) || defined(WIN32)
#define ssprintf(curpos, buf, len, fmt, ...) \
curpos += scnprintf(buf + curpos, len - curpos, fmt, ##__VA_ARGS__)
#define VTOY_JSON_IS_SKIPABLE(c) (((c) <= 32) ? 1 : 0)
#define VTOY_JSON_PRINT_PREFIX(uiDepth, ...) \
{ \
uint32_t _uiLoop = 0; \
for (_uiLoop = 0; _uiLoop < (uiDepth); _uiLoop++) \
{ \
ssprintf(uiCurPos, pcBuf, uiBufLen, " "); \
} \
ssprintf(uiCurPos, pcBuf, uiBufLen, ##__VA_ARGS__); \
}
#else
#define ssprintf(curpos, buf, len, fmt, args...) \
curpos += scnprintf(buf + curpos, len - curpos, fmt, ##args)
#define VTOY_JSON_IS_SKIPABLE(c) (((c) <= 32) ? 1 : 0)
#define VTOY_JSON_PRINT_PREFIX(uiDepth, args...) \
{ \
uint32_t _uiLoop = 0; \
for (_uiLoop = 0; _uiLoop < (uiDepth); _uiLoop++) \
{ \
ssprintf(uiCurPos, pcBuf, uiBufLen, " "); \
} \
ssprintf(uiCurPos, pcBuf, uiBufLen, ##args); \
}
#endif
#define VTOY_JSON_SUCCESS_RET "{ \"result\" : \"success\" }"
#define VTOY_JSON_FAILED_RET "{ \"result\" : \"failed\" }"
#define VTOY_JSON_INVALID_RET "{ \"result\" : \"invalidfmt\" }"
#define VTOY_JSON_TOKEN_ERR_RET "{ \"result\" : \"tokenerror\" }"
#define VTOY_JSON_EXIST_RET "{ \"result\" : \"exist\" }"
#define VTOY_JSON_TIMEOUT_RET "{ \"result\" : \"timeout\" }"
#define VTOY_JSON_BUSY_RET "{ \"result\" : \"busy\" }"
#define VTOY_JSON_INUSE_RET "{ \"result\" : \"inuse\" }"
#define VTOY_JSON_NOTFOUND_RET "{ \"result\" : \"notfound\" }"
#define VTOY_JSON_NOTRUNNING_RET "{ \"result\" : \"notrunning\" }"
#define VTOY_JSON_NOT_READY_RET "{ \"result\" : \"notready\" }"
#define VTOY_JSON_NOT_SUPPORT_RET "{ \"result\" : \"notsupport\" }"
#define VTOY_JSON_MBR_2TB_RET "{ \"result\" : \"mbr2tb\" }"
#define VTOY_JSON_INVALID_RSV_RET "{ \"result\" : \"reserve_invalid\" }"
#define VTOY_JSON_FILE_NOT_FOUND_RET "{ \"result\" : \"file_not_found\" }"
typedef enum tagJSON_TYPE
{
JSON_TYPE_NUMBER = 0,
JSON_TYPE_STRING,
JSON_TYPE_BOOL,
JSON_TYPE_ARRAY,
JSON_TYPE_OBJECT,
JSON_TYPE_NULL,
JSON_TYPE_BUTT
}JSON_TYPE;
typedef struct tagVTOY_JSON
{
struct tagVTOY_JSON *pstPrev;
struct tagVTOY_JSON *pstNext;
struct tagVTOY_JSON *pstChild;
JSON_TYPE enDataType;
union
{
char *pcStrVal;
int iNumVal;
uint64_t lValue;
}unData;
char *pcName;
}VTOY_JSON;
#define VTOY_JSON_FMT_BEGIN(uiCurPos, pcBuf, uiBufLen) \
{\
uint32_t __uiCurPos = (uiCurPos);\
uint32_t __uiBufLen = (uiBufLen);\
char *__pcBuf = (pcBuf);
#define VTOY_JSON_FMT_END(uiCurPos) \
(uiCurPos) = __uiCurPos;\
}
#define VTOY_JSON_FMT_OBJ_BEGIN() ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "{")
#define VTOY_JSON_FMT_OBJ_BEGIN_L(P) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s{", P)
#define VTOY_JSON_FMT_OBJ_BEGIN_N() ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "{\n")
#define VTOY_JSON_FMT_OBJ_BEGIN_LN(P) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s{\n", P)
#define VTOY_JSON_FMT_OBJ_END() \
{\
if (',' == *(__pcBuf + (__uiCurPos - 1)))\
{\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "}");\
}
#define VTOY_JSON_FMT_OBJ_ENDEX() \
{\
if (',' == *(__pcBuf + (__uiCurPos - 1)))\
{\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "},");\
}
#define VTOY_JSON_FMT_KEY(Key) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\":", (Key))
#define VTOY_JSON_FMT_KEY_L(P, Key) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\":", P, (Key))
#define VTOY_JSON_FMT_ITEM(Item) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\",", (Item))
#define VTOY_JSON_FMT_ITEM_L(P, Item) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\",", P, (Item))
#define VTOY_JSON_FMT_ITEM_LN(P, Item) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\",\n", P, (Item))
#define VTOY_JSON_FMT_ITEM_PATH_LN(P, Item) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\",\n", P, ventoy_real_path(Item))
#define VTOY_JSON_FMT_COMA() ssprintf(__uiCurPos, __pcBuf, __uiBufLen, ",")
#define VTOY_JSON_FMT_COMA_N(cnt) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, ",\n")
#define VTOY_JSON_FMT_COMA_N_CNT(cnt) if ((cnt) > 0) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, ",\n")
#define VTOY_JSON_FMT_APPEND_BEGIN() \
{ \
if ('}' == *(__pcBuf + (__uiCurPos - 1)))\
{\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, ",");\
}
#define VTOY_JSON_FMT_APPEND_END() \
{ \
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "}");\
}
#define VTOY_JSON_FMT_ARY_BEGIN() ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "[")
#define VTOY_JSON_FMT_ARY_BEGIN_N() ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "[\n")
#define VTOY_JSON_FMT_ARY_END() \
{\
if (',' == *(__pcBuf + (__uiCurPos - 1)))\
{\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "]");\
}
#define VTOY_JSON_FMT_ARY_ENDEX() \
{\
if (',' == *(__pcBuf + (__uiCurPos - 1)))\
{\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "],");\
}
#define VTOY_JSON_FMT_OBJ_END_L(P) \
{\
if ('\n' == *(__pcBuf + (__uiCurPos - 1)) && ',' == *(__pcBuf + (__uiCurPos - 2)))\
{\
*(__pcBuf + (__uiCurPos - 2)) = '\n';\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s}%s", P);\
}
#define VTOY_JSON_FMT_OBJ_ENDEX_L(P) \
{\
if ('\n' == *(__pcBuf + (__uiCurPos - 1)) && ',' == *(__pcBuf + (__uiCurPos - 2)))\
{\
*(__pcBuf + (__uiCurPos - 2)) = '\n';\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s},%s", P);\
}
#define VTOY_JSON_FMT_OBJ_END_LN(P) \
{\
if ('\n' == *(__pcBuf + (__uiCurPos - 1)) && ',' == *(__pcBuf + (__uiCurPos - 2)))\
{\
*(__pcBuf + (__uiCurPos - 2)) = '\n';\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s}\n", P);\
}
#define VTOY_JSON_FMT_OBJ_ENDEX_LN(P) \
{\
if ('\n' == *(__pcBuf + (__uiCurPos - 1)) && ',' == *(__pcBuf + (__uiCurPos - 2)))\
{\
*(__pcBuf + (__uiCurPos - 2)) = '\n';\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s},\n", P);\
}
#define VTOY_JSON_FMT_ARY_END_L(P) \
{\
if ('\n' == *(__pcBuf + (__uiCurPos - 1)) && ',' == *(__pcBuf + (__uiCurPos - 2)))\
{\
*(__pcBuf + (__uiCurPos - 2)) = '\n';\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s]", P);\
}
#define VTOY_JSON_FMT_ARY_END_LN(P) \
{\
if ('\n' == *(__pcBuf + (__uiCurPos - 1)) && ',' == *(__pcBuf + (__uiCurPos - 2)))\
{\
*(__pcBuf + (__uiCurPos - 2)) = '\n';\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s]\n", P);\
}
#define VTOY_JSON_FMT_ARY_ENDEX_L(P) \
{\
if ('\n' == *(__pcBuf + (__uiCurPos - 1)) && ',' == *(__pcBuf + (__uiCurPos - 2)))\
{\
*(__pcBuf + (__uiCurPos - 2)) = '\n';\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s],", P);\
}
#define VTOY_JSON_FMT_ARY_ENDEX_LN(P) \
{\
if ('\n' == *(__pcBuf + (__uiCurPos - 1)) && ',' == *(__pcBuf + (__uiCurPos - 2)))\
{\
*(__pcBuf + (__uiCurPos - 2)) = '\n';\
__uiCurPos -= 1;\
}\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s],\n", P);\
}
#define VTOY_JSON_FMT_UINT64(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": %llu,", Key, (_ull)Val)
#define VTOY_JSON_FMT_ULONG(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": %lu,", Key, Val)
#define VTOY_JSON_FMT_LONG(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": %ld,", Key, Val)
#define VTOY_JSON_FMT_UINT(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": %u,", Key, Val)
#define VTOY_JSON_FMT_UINT_N(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": %u,\n", Key, Val)
#define VTOY_JSON_FMT_UINT_L(P, Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": %u,", P, Key, Val)
#define VTOY_JSON_FMT_UINT_LN(P, Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": %u,\n", P, Key, Val)
#define VTOY_JSON_FMT_STRUINT(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": \"%u\",", Key, Val)
#define VTOY_JSON_FMT_STRUINT_N(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": \"%u\",\n", Key, Val)
#define VTOY_JSON_FMT_STRUINT_L(P, Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": \"%u\",", P, Key, Val)
#define VTOY_JSON_FMT_STRUINT_LN(P, Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": \"%u\",\n", P, Key, Val)
#define VTOY_JSON_FMT_STRSINT(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": \"%d\",", Key, Val)
#define VTOY_JSON_FMT_STRSINT_N(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": \"%d\",\n", Key, Val)
#define VTOY_JSON_FMT_STRSINT_L(P, Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": \"%d\",", P, Key, Val)
#define VTOY_JSON_FMT_STRSINT_LN(P, Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": \"%d\",\n", P, Key, Val)
#define VTOY_JSON_FMT_CTRL_INT(Prefix, Key, Field) \
if (def->Field != data->Field) \
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s{ \"%s\": \"%d\" },\n", Prefix, Key, data->Field)
#define VTOY_JSON_FMT_CTRL_STRN(P, Key, Field) \
if (strcmp(def->Field, data->Field)) \
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s{ \"%s\": \"%s\" },\n", P, Key, data->Field)
#define VTOY_JSON_FMT_CTRL_STRN_STR(P, Key, ptr) \
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s{ \"%s\": \"%s\" },\n", P, Key, ptr)
#define VTOY_JSON_FMT_CTRL_PUB_STRN(P, Key, Field) \
if (strcmp(def->Field, g_pub_path)) \
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s{ \"%s\": \"%s\" },\n", P, Key, g_pub_path)
#define VTOY_JSON_FMT_DIFF_STRN(P, Key, Field) \
if (strcmp(def->Field, data->Field)) \
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": \"%s\",\n", P, Key, data->Field)
#define VTOY_JSON_FMT_STRINT64(Key, Val) \
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": \"%llu\",", Key, Val)
#define VTOY_JSON_FMT_SINT(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": %d,", Key, Val)
#define VTOY_JSON_FMT_SINT_N(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": %d,\n", Key, Val)
#define VTOY_JSON_FMT_SINT_L(P, Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": %d,", P, Key, Val)
#define VTOY_JSON_FMT_SINT_LN(P, Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": %d,\n", P, Key, Val)
#define VTOY_JSON_FMT_DUBL(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": %.1lf,", Key, Val)
#define VTOY_JSON_FMT_DUBL2(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": %10.02lf,", Key, Val)
#define VTOY_JSON_FMT_STRN(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": \"%s\",", Key, Val)
#define VTOY_JSON_FMT_STRN_N(Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": \"%s\",\n", Key, Val)
#define VTOY_JSON_FMT_STRN_L(P, Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": \"%s\",", P, Key, Val)
#define VTOY_JSON_FMT_STRN_LN(P, Key, Val) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": \"%s\",\n", P, Key, Val)
#define VTOY_JSON_FMT_STRN_PATH_LN(P, Key, Val) \
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": \"%s\",\n", P, Key, ventoy_real_path(Val))
int vtoy_json_escape_string(char *buf, int buflen, const char *str, int newline);
#define VTOY_JSON_FMT_STRN_EX_LN(P, Key, Val) \
{\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "%s\"%s\": ", P, Key);\
__uiCurPos += vtoy_json_escape_string(__pcBuf + __uiCurPos, __uiBufLen - __uiCurPos, Val, 1);\
}
#define VTOY_JSON_FMT_NULL(Key) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": null,", Key)
#define VTOY_JSON_FMT_TRUE(Key) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": true,", (Key))
#define VTOY_JSON_FMT_FALSE(Key) ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": false,", (Key))
#define VTOY_JSON_FMT_BOOL(Key, Val) \
{\
if (0 == (Val))\
{\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": false,", (Key));\
}\
else \
{\
ssprintf(__uiCurPos, __pcBuf, __uiBufLen, "\"%s\": true,", (Key));\
}\
}
typedef struct tagVTOY_JSON_PARSE
{
char *pcKey;
void *pDataBuf;
uint32_t uiBufSize;
}VTOY_JSON_PARSE_S;
#define JSON_SUCCESS 0
#define JSON_FAILED 1
#define JSON_NOT_FOUND 2
int vtoy_json_parse_value
(
char *pcNewStart,
char *pcRawStart,
VTOY_JSON *pstJson,
const char *pcData,
const char **ppcEnd
);
VTOY_JSON * vtoy_json_create(void);
int vtoy_json_parse(VTOY_JSON *pstJson, const char *szJsonData);
int vtoy_json_parse_ex(VTOY_JSON *pstJson, const char *szJsonData, int szLen);
int vtoy_json_destroy(VTOY_JSON *pstJson);
VTOY_JSON *vtoy_json_find_item
(
VTOY_JSON *pstJson,
JSON_TYPE enDataType,
const char *szKey
);
int vtoy_json_scan_parse
(
const VTOY_JSON *pstJson,
uint32_t uiParseNum,
VTOY_JSON_PARSE_S *pstJsonParse
);
int vtoy_json_get_int
(
VTOY_JSON *pstJson,
const char *szKey,
int *piValue
);
int vtoy_json_get_uint
(
VTOY_JSON *pstJson,
const char *szKey,
uint32_t *puiValue
);
int vtoy_json_get_uint64
(
VTOY_JSON *pstJson,
const char *szKey,
uint64_t *pui64Value
);
int vtoy_json_get_bool
(
VTOY_JSON *pstJson,
const char *szKey,
uint8_t *pbValue
);
int vtoy_json_get_string
(
VTOY_JSON *pstJson,
const char *szKey,
uint32_t uiBufLen,
char *pcBuf
);
const char * vtoy_json_get_string_ex(VTOY_JSON *pstJson, const char *szKey);
#endif /* __VENTOY_JSON_H__ */

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Plugson/src/Core/ventoy_log.c
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/******************************************************************************
* ventoy_log.c ---- ventoy log
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#include <ventoy_define.h>
#include <ventoy_util.h>
extern char g_log_file[MAX_PATH];
static int g_ventoy_log_level = VLOG_DEBUG;
static pthread_mutex_t g_log_mutex;
int ventoy_log_init(void)
{
if (ventoy_get_file_size(g_log_file) >= SIZE_1MB)
{
#if defined(_MSC_VER) || defined(WIN32)
DeleteFileA(g_log_file);
#else
remove(g_log_file);
#endif
}
pthread_mutex_init(&g_log_mutex, NULL);
return 0;
}
void ventoy_log_exit(void)
{
pthread_mutex_destroy(&g_log_mutex);
}
void ventoy_set_loglevel(int level)
{
g_ventoy_log_level = level;
}
void ventoy_syslog_printf(const char *Fmt, ...)
{
char log[512];
va_list arg;
time_t stamp;
struct tm ttm;
FILE *fp;
time(&stamp);
localtime_r(&stamp, &ttm);
va_start(arg, Fmt);
#if defined(_MSC_VER) || defined(WIN32)
vsnprintf_s(log, 512, _TRUNCATE, Fmt, arg);
#else
vsnprintf(log, 512, Fmt, arg);
#endif
va_end(arg);
pthread_mutex_lock(&g_log_mutex);
#if defined(_MSC_VER) || defined(WIN32)
fopen_s(&fp, g_log_file, "a+");
#else
fp = fopen(g_log_file, "a+");
#endif
if (fp)
{
fprintf(fp, "[%04u/%02u/%02u %02u:%02u:%02u] %s",
ttm.tm_year, ttm.tm_mon + 1, ttm.tm_mday,
ttm.tm_hour, ttm.tm_min, ttm.tm_sec,
log);
fclose(fp);
#ifdef VENTOY_SIM
printf("[%04u/%02u/%02u %02u:%02u:%02u] %s",
ttm.tm_year, ttm.tm_mon + 1, ttm.tm_mday,
ttm.tm_hour, ttm.tm_min, ttm.tm_sec,
log);
#endif
}
pthread_mutex_unlock(&g_log_mutex);
}
void ventoy_syslog(int level, const char *Fmt, ...)
{
char log[512];
va_list arg;
time_t stamp;
struct tm ttm;
FILE *fp;
if (level > g_ventoy_log_level)
{
return;
}
time(&stamp);
localtime_r(&stamp, &ttm);
va_start(arg, Fmt);
#if defined(_MSC_VER) || defined(WIN32)
vsnprintf_s(log, 512, _TRUNCATE, Fmt, arg);
#else
vsnprintf(log, 512, Fmt, arg);
#endif
va_end(arg);
pthread_mutex_lock(&g_log_mutex);
#if defined(_MSC_VER) || defined(WIN32)
fopen_s(&fp, g_log_file, "a+");
#else
fp = fopen(g_log_file, "a+");
#endif
if (fp)
{
fprintf(fp, "[%04u/%02u/%02u %02u:%02u:%02u] %s",
ttm.tm_year + 1900, ttm.tm_mon + 1, ttm.tm_mday,
ttm.tm_hour, ttm.tm_min, ttm.tm_sec,
log);
fclose(fp);
#ifdef VENTOY_SIM
printf("[%04u/%02u/%02u %02u:%02u:%02u] %s",
ttm.tm_year + 1900, ttm.tm_mon + 1, ttm.tm_mday,
ttm.tm_hour, ttm.tm_min, ttm.tm_sec,
log);
#endif
}
pthread_mutex_unlock(&g_log_mutex);
}

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/******************************************************************************
* ventoy_md5.c ---- ventoy md5
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
const static uint32_t k[64] =
{
0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391
};
const static uint32_t r[] =
{
7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21
};
#define LEFTROTATE(x, c) (((x) << (c)) | ((x) >> (32 - (c))))
#define to_bytes(val, bytes) *((uint32_t *)(bytes)) = (val)
#define ROTATE_CALC() \
{\
temp = d; \
d = c; \
c = b; \
b = b + LEFTROTATE((a + f + k[i] + w[g]), r[i]); \
a = temp; \
}
void ventoy_md5(const void *data, uint32_t len, uint8_t *md5)
{
uint32_t h0, h1, h2, h3;
uint32_t w[16];
uint32_t a, b, c, d, i, f, g, temp;
uint32_t offset, mod, delta;
uint8_t postbuf[128] = {0};
// Initialize variables - simple count in nibbles:
h0 = 0x67452301;
h1 = 0xefcdab89;
h2 = 0x98badcfe;
h3 = 0x10325476;
//Pre-processing:
//append "1" bit to message
//append "0" bits until message length in bits ¡Ô 448 (mod 512)
//append length mod (2^64) to message
mod = len % 64;
if (mod)
{
memcpy(postbuf, (const uint8_t *)data + len - mod, mod);
}
postbuf[mod] = 0x80;
if (mod < 56)
{
to_bytes(len * 8, postbuf + 56);
to_bytes(len >> 29, postbuf + 60);
delta = 64;
}
else
{
to_bytes(len * 8, postbuf + 120);
to_bytes(len >> 29, postbuf + 124);
delta = 128;
}
len -= mod;
for (offset = 0; offset < len + delta; offset += 64)
{
if (offset < len)
{
memcpy(w, (const uint8_t *)data + offset, 64);
}
else
{
memcpy(w, postbuf + offset - len, 64);
}
// Initialize hash value for this chunk:
a = h0;
b = h1;
c = h2;
d = h3;
// Main loop:
for (i = 0; i < 16; i++)
{
f = (b & c) | ((~b) & d);
g = i;
ROTATE_CALC();
}
for (i = 16; i < 32; i++)
{
f = (d & b) | ((~d) & c);
g = (5 * i + 1) % 16;
ROTATE_CALC();
}
for (i = 32; i < 48; i++)
{
f = b ^ c ^ d;
g = (3 * i + 5) % 16;
ROTATE_CALC();
}
for (i = 48; i < 64; i++)
{
f = c ^ (b | (~d));
g = (7 * i) % 16;
ROTATE_CALC();
}
// Add this chunk's hash to result so far:
h0 += a;
h1 += b;
h2 += c;
h3 += d;
}
//var char md5[16] := h0 append h1 append h2 append h3 //(Output is in little-endian)
to_bytes(h0, md5);
to_bytes(h1, md5 + 4);
to_bytes(h2, md5 + 8);
to_bytes(h3, md5 + 12);
}

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/******************************************************************************
* ventoy_util.c ---- ventoy util
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <ventoy_define.h>
#include <ventoy_util.h>
static int g_tar_filenum = 0;
static char *g_tar_buffer = NULL;
static ventoy_file *g_tar_filelist = NULL;
SYSINFO g_sysinfo;
unsigned char *g_unxz_buffer = NULL;
int g_unxz_len = 0;
void unxz_error(char *x)
{
vlog("%s\n", x);
}
int unxz_flush(void *src, unsigned int size)
{
memcpy(g_unxz_buffer + g_unxz_len, src, size);
g_unxz_len += (int)size;
return (int)size;
}
uint64_t ventoy_get_human_readable_gb(uint64_t SizeBytes)
{
int i;
int Pow2 = 1;
double Delta;
double GB = SizeBytes * 1.0 / 1000 / 1000 / 1000;
if ((SizeBytes % SIZE_1GB) == 0)
{
return (uint64_t)(SizeBytes / SIZE_1GB);
}
for (i = 0; i < 12; i++)
{
if (Pow2 > GB)
{
Delta = (Pow2 - GB) / Pow2;
}
else
{
Delta = (GB - Pow2) / Pow2;
}
if (Delta < 0.05)
{
return Pow2;
}
Pow2 <<= 1;
}
return (uint64_t)GB;
}
int ventoy_read_file_to_buf(const char *FileName, int ExtLen, void **Bufer, int *BufLen)
{
int FileSize;
FILE *fp = NULL;
void *Data = NULL;
#if defined(_MSC_VER) || defined(WIN32)
fopen_s(&fp, FileName, "rb");
#else
fp = fopen(FileName, "rb");
#endif
if (fp == NULL)
{
vlog("Failed to open file %s", FileName);
return 1;
}
fseek(fp, 0, SEEK_END);
FileSize = (int)ftell(fp);
Data = malloc(FileSize + ExtLen);
if (!Data)
{
fclose(fp);
return 1;
}
fseek(fp, 0, SEEK_SET);
fread(Data, 1, FileSize, fp);
fclose(fp);
*Bufer = Data;
*BufLen = FileSize;
return 0;
}
ventoy_file * ventoy_tar_find_file(const char *path)
{
int i;
int len;
ventoy_file *node = g_tar_filelist;
len = (int)strlen(path);
for (i = 0; i < g_tar_filenum; i++, node++)
{
if (node->pathlen == len && memcmp(node->path, path, len) == 0)
{
return node;
}
if (node->pathlen > len)
{
break;
}
}
return NULL;
}
int ventoy_www_init(void)
{
int i = 0;
int j = 0;
int size = 0;
int tarsize = 0;
int offset = 0;
ventoy_file *node = NULL;
ventoy_file *node2 = NULL;
VENTOY_TAR_HEAD *pHead = NULL;
ventoy_file tmpnode;
if (!g_tar_filelist)
{
g_tar_filelist = malloc(VENTOY_FILE_MAX * sizeof(ventoy_file));
g_tar_buffer = malloc(TAR_BUF_MAX);
g_tar_filenum = 0;
}
if ((!g_tar_filelist) || (!g_tar_buffer))
{
return 1;
}
if (ventoy_decompress_tar(g_tar_buffer, TAR_BUF_MAX, &tarsize))
{
return 1;
}
pHead = (VENTOY_TAR_HEAD *)g_tar_buffer;
node = g_tar_filelist;
while (g_tar_filenum < VENTOY_FILE_MAX && size < tarsize && memcmp(pHead->magic, TMAGIC, 5) == 0)
{
if (pHead->typeflag == REGTYPE)
{
node->size = (int)strtol(pHead->size, NULL, 8);
node->pathlen = (int)scnprintf(node->path, MAX_PATH, "%s", pHead->name);
node->addr = pHead + 1;
if (node->pathlen == 13 && strcmp(pHead->name, "www/buildtime") == 0)
{
scnprintf(g_sysinfo.buildtime, sizeof(g_sysinfo.buildtime), "%s", (char *)node->addr);
vlog("Plugson buildtime %s\n", g_sysinfo.buildtime);
}
offset = 512 + VENTOY_UP_ALIGN(node->size, 512);
node++;
g_tar_filenum++;
}
else
{
offset = 512;
}
pHead = (VENTOY_TAR_HEAD *)((char *)pHead + offset);
size += offset;
}
//sort
for (i = 0; i < g_tar_filenum; i++)
for (j = i + 1; j < g_tar_filenum; j++)
{
node = g_tar_filelist + i;
node2 = g_tar_filelist + j;
if (node->pathlen > node2->pathlen)
{
memcpy(&tmpnode, node, sizeof(ventoy_file));
memcpy(node, node2, sizeof(ventoy_file));
memcpy(node2, &tmpnode, sizeof(ventoy_file));
}
}
vlog("Total extract %d files from tar file.\n", g_tar_filenum);
return 0;
}
void ventoy_www_exit(void)
{
check_free(g_tar_filelist);
check_free(g_tar_buffer);
g_tar_filelist = NULL;
g_tar_buffer = NULL;
g_tar_filenum = 0;
}
void ventoy_get_json_path(char *path, char *backup)
{
#if defined(_MSC_VER) || defined(WIN32)
scnprintf(path, 64, "%C:\\ventoy\\ventoy.json", g_cur_dir[0]);
if (backup)
{
scnprintf(backup, 64, "%C:\\ventoy\\ventoy_backup.json", g_cur_dir[0]);
}
#else
scnprintf(path, 64, "%s/ventoy/ventoy.json", g_cur_dir);
if (backup)
{
scnprintf(backup, 64, "%s/ventoy/ventoy_backup.json", g_cur_dir);
}
#endif
}

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/******************************************************************************
* ventoy_util.h
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __VENTOY_UTIL_H__
#define __VENTOY_UTIL_H__
#define check_free(p) if (p) free(p)
#define vtoy_safe_close_fd(fd) \
{\
if ((fd) >= 0) \
{ \
close(fd); \
(fd) = -1; \
}\
}
extern char g_cur_dir[MAX_PATH];
extern char g_ventoy_dir[MAX_PATH];
#if defined(_MSC_VER) || defined(WIN32)
typedef HANDLE pthread_mutex_t;
static __inline int pthread_mutex_init(pthread_mutex_t *mutex, void *unused)
{
(void)unused;
*mutex = CreateMutex(NULL, FALSE, NULL);
return *mutex == NULL ? -1 : 0;
}
static __inline int pthread_mutex_destroy(pthread_mutex_t *mutex)
{
return CloseHandle(*mutex) == 0 ? -1 : 0;
}
static __inline int pthread_mutex_unlock(pthread_mutex_t *mutex)
{
return ReleaseMutex(*mutex) == 0 ? -1 : 0;
}
static __inline int pthread_mutex_lock(pthread_mutex_t *mutex)
{
return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0 ? 0 : -1;
}
int ventoy_path_case(char *path, int slash);
#else
int ventoy_get_sys_file_line(char *buffer, int buflen, const char *fmt, ...);
#define UINT8 uint8_t
#define UINT16 uint16_t
#define UINT32 uint32_t
#define UINT64 uint64_t
static inline int ventoy_path_case(char *path, int slash)
{
(void)path;
(void)slash;
return 0;
}
#endif
#define LANGUAGE_EN 0
#define LANGUAGE_CN 1
typedef struct SYSINFO
{
char buildtime[128];
int syntax_error;
int language;
int pathcase;
char cur_fsname[64];
char cur_capacity[64];
char cur_model[256];
char cur_ventoy_ver[64];
int cur_secureboot;
int cur_part_style;
char ip[32];
char port[16];
}SYSINFO;
extern SYSINFO g_sysinfo;
#define TMAGIC "ustar"
#define REGTYPE '0'
#define AREGTYPE '\0'
#define LNKTYPE '1'
#define CHRTYPE '3'
#define BLKTYPE '4'
#define DIRTYPE '5'
#define FIFOTYPE '6'
#define CONTTYPE '7'
#pragma pack(1)
typedef struct tag_tar_head
{
char name[100];
char mode[8];
char uid[8];
char gid[8];
char size[12];
char mtime[12];
char chksum[8];
char typeflag;
char linkname[100];
char magic[6];
char version[2];
char uname[32];
char gname[32];
char devmajor[8];
char devminor[8];
char prefix[155];
char padding[12];
}VENTOY_TAR_HEAD;
typedef struct VENTOY_MAGIC
{
uint32_t magic1; // 0x51 0x52 0x53 0x54
uint32_t xzlen; //
uint32_t magic2; // 0xa1 0xa2 0xa3 0xa4
}VENTOY_MAGIC;
#pragma pack()
#define VENTOY_UP_ALIGN(N, align) (((N) + ((align) - 1)) / (align) * (align))
#define VENTOY_FILE_MAX 2048
#if defined(_MSC_VER) || defined(WIN32)
#define million_sleep(a) Sleep(a)
#else
#define million_sleep(a) usleep((a) * 1000)
#endif
typedef struct ventoy_file
{
int size;
char path[MAX_PATH];
int pathlen;
void *addr;
}ventoy_file;
int ventoy_is_file_exist(const char *fmt, ...);
int ventoy_is_directory_exist(const char *fmt, ...);
void ventoy_gen_preudo_uuid(void *uuid);
uint64_t ventoy_get_human_readable_gb(uint64_t SizeBytes);
void ventoy_md5(const void *data, uint32_t len, uint8_t *md5);
int ventoy_is_disk_mounted(const char *devpath);
int unxz(unsigned char *in, int in_size,
int (*fill)(void *dest, unsigned int size),
int (*flush)(void *src, unsigned int size),
unsigned char *out, int *in_used,
void (*error)(char *x));
int ventoy_read_file_to_buf(const char *FileName, int ExtLen, void **Bufer, int *BufLen);
int ventoy_write_buf_to_file(const char *FileName, void *Bufer, int BufLen);
const char * ventoy_get_os_language(void);
int ventoy_get_file_size(const char *file);
int ventoy_www_init(void);
void ventoy_www_exit(void);
int ventoy_decompress_tar(char *tarbuf, int buflen, int *tarsize);
ventoy_file * ventoy_tar_find_file(const char *path);
void ventoy_get_json_path(char *path, char *backup);
int ventoy_copy_file(const char *a, const char *b);
typedef int (*ventoy_http_writeback_pf)(void);
int ventoy_start_writeback_thread(ventoy_http_writeback_pf callback);
void ventoy_stop_writeback_thread(void);
void ventoy_set_writeback_event(void);
extern unsigned char *g_unxz_buffer;
extern int g_unxz_len;
void unxz_error(char *x);
int unxz_flush(void *src, unsigned int size);
#endif /* __VENTOY_UTIL_H__ */

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/******************************************************************************
* ventoy_util_linux.c ---- ventoy util
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#include <time.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/mount.h>
#include <linux/fs.h>
#include <dirent.h>
#include <time.h>
#include <ventoy_define.h>
#include <ventoy_util.h>
void ventoy_gen_preudo_uuid(void *uuid)
{
int i;
int fd;
fd = open("/dev/urandom", O_RDONLY | O_BINARY);
if (fd < 0)
{
srand(time(NULL));
for (i = 0; i < 8; i++)
{
*((uint16_t *)uuid + i) = (uint16_t)(rand() & 0xFFFF);
}
}
else
{
read(fd, uuid, 16);
close(fd);
}
}
int ventoy_get_sys_file_line(char *buffer, int buflen, const char *fmt, ...)
{
int len;
char c;
char path[256];
va_list arg;
va_start(arg, fmt);
vsnprintf(path, 256, fmt, arg);
va_end(arg);
if (access(path, F_OK) >= 0)
{
FILE *fp = fopen(path, "r");
memset(buffer, 0, buflen);
len = (int)fread(buffer, 1, buflen - 1, fp);
fclose(fp);
while (len > 0)
{
c = buffer[len - 1];
if (c == '\r' || c == '\n' || c == ' ' || c == '\t')
{
buffer[len - 1] = 0;
len--;
}
else
{
break;
}
}
return 0;
}
else
{
vdebug("%s not exist \n", path);
return 1;
}
}
int ventoy_is_disk_mounted(const char *devpath)
{
int len;
int mount = 0;
char line[512];
FILE *fp = NULL;
fp = fopen("/proc/mounts", "r");
if (!fp)
{
return 0;
}
len = (int)strlen(devpath);
while (fgets(line, sizeof(line), fp))
{
if (strncmp(line, devpath, len) == 0)
{
mount = 1;
vdebug("%s mounted <%s>\n", devpath, line);
goto end;
}
}
end:
fclose(fp);
return mount;
}
const char * ventoy_get_os_language(void)
{
const char *env = getenv("LANG");
if (env && strncasecmp(env, "zh_CN", 5) == 0)
{
return "cn";
}
else
{
return "en";
}
}
int ventoy_is_file_exist(const char *fmt, ...)
{
va_list ap;
struct stat sb;
char fullpath[MAX_PATH];
va_start (ap, fmt);
vsnprintf(fullpath, MAX_PATH, fmt, ap);
va_end (ap);
if (stat(fullpath, &sb))
{
return 0;
}
if (S_ISREG(sb.st_mode))
{
return 1;
}
return 0;
}
int ventoy_is_directory_exist(const char *fmt, ...)
{
va_list ap;
struct stat sb;
char fullpath[MAX_PATH];
va_start (ap, fmt);
vsnprintf(fullpath, MAX_PATH, fmt, ap);
va_end (ap);
if (stat(fullpath, &sb))
{
return 0;
}
if (S_ISDIR(sb.st_mode))
{
return 1;
}
return 0;
}
int ventoy_get_file_size(const char *file)
{
int Size = -1;
struct stat stStat;
if (stat(file, &stStat) >= 0)
{
Size = (int)(stStat.st_size);
}
return Size;
}
int ventoy_write_buf_to_file(const char *FileName, void *Bufer, int BufLen)
{
int fd;
int rc;
ssize_t size;
fd = open(FileName, O_CREAT | O_RDWR | O_TRUNC, 0755);
if (fd < 0)
{
vlog("Failed to open file %s %d\n", FileName, errno);
return 1;
}
rc = fchmod(fd, 0755);
if (rc)
{
vlog("Failed to chmod <%s> %d\n", FileName, errno);
}
size = write(fd, Bufer, BufLen);
if ((int)size != BufLen)
{
close(fd);
vlog("write file %s failed %d err:%d\n", FileName, (int)size, errno);
return 1;
}
fsync(fd);
close(fd);
return 0;
}
int ventoy_decompress_tar(char *tarbuf, int buflen, int *tarsize)
{
int rc = 1;
int inused = 0;
int BufLen = 0;
unsigned char *buffer = NULL;
char tarxz[MAX_PATH];
scnprintf(tarxz, sizeof(tarxz), "%s/tool/plugson.tar.xz", g_ventoy_dir);
if (ventoy_read_file_to_buf(tarxz, 0, (void **)&buffer, &BufLen))
{
vlog("Failed to read file <%s>\n", tarxz);
return 1;
}
g_unxz_buffer = (unsigned char *)tarbuf;
g_unxz_len = 0;
unxz(buffer, BufLen, NULL, unxz_flush, NULL, &inused, unxz_error);
vlog("xzlen:%u rawdata size:%d\n", BufLen, g_unxz_len);
if (inused != BufLen)
{
vlog("Failed to unxz data %d %d\n", inused, BufLen);
rc = 1;
}
else
{
*tarsize = g_unxz_len;
rc = 0;
}
free(buffer);
return rc;
}
static volatile int g_thread_stop = 0;
static pthread_t g_writeback_thread;
static pthread_mutex_t g_writeback_mutex;
static pthread_cond_t g_writeback_cond;
static void * ventoy_local_thread_run(void* data)
{
ventoy_http_writeback_pf callback = (ventoy_http_writeback_pf)data;
while (1)
{
pthread_mutex_lock(&g_writeback_mutex);
pthread_cond_wait(&g_writeback_cond, &g_writeback_mutex);
if (g_thread_stop)
{
pthread_mutex_unlock(&g_writeback_mutex);
break;
}
else
{
callback();
pthread_mutex_unlock(&g_writeback_mutex);
}
}
return NULL;
}
void ventoy_set_writeback_event(void)
{
pthread_cond_signal(&g_writeback_cond);
}
int ventoy_start_writeback_thread(ventoy_http_writeback_pf callback)
{
g_thread_stop = 0;
pthread_mutex_init(&g_writeback_mutex, NULL);
pthread_cond_init(&g_writeback_cond, NULL);
pthread_create(&g_writeback_thread, NULL, ventoy_local_thread_run, callback);
return 0;
}
void ventoy_stop_writeback_thread(void)
{
g_thread_stop = 1;
pthread_cond_signal(&g_writeback_cond);
pthread_join(g_writeback_thread, NULL);
pthread_cond_destroy(&g_writeback_cond);
pthread_mutex_destroy(&g_writeback_mutex);
}
int ventoy_copy_file(const char *a, const char *b)
{
int len = 0;
char *buf = NULL;
if (0 == ventoy_read_file_to_buf(a, 0, (void **)&buf, &len))
{
ventoy_write_buf_to_file(b, buf, len);
free(buf);
}
return 0;
}

813
Plugson/src/Core/ventoy_util_windows.c
Unescape Escape View File

@ -0,0 +1,813 @@
/******************************************************************************
* ventoy_util.c ---- ventoy util
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <ventoy_define.h>
#include <ventoy_util.h>
#include <ventoy_disk.h>
#include "fat_filelib.h"
static void TrimString(CHAR *String)
{
CHAR *Pos1 = String;
CHAR *Pos2 = String;
size_t Len = strlen(String);
while (Len > 0)
{
if (String[Len - 1] != ' ' && String[Len - 1] != '\t')
{
break;
}
String[Len - 1] = 0;
Len--;
}
while (*Pos1 == ' ' || *Pos1 == '\t')
{
Pos1++;
}
while (*Pos1)
{
*Pos2++ = *Pos1++;
}
*Pos2++ = 0;
return;
}
void ventoy_gen_preudo_uuid(void *uuid)
{
CoCreateGuid((GUID *)uuid);
}
static int IsUTF8Encode(const char *src)
{
int i;
const UCHAR *Byte = (const UCHAR *)src;
for (i = 0; i < MAX_PATH && Byte[i]; i++)
{
if (Byte[i] > 127)
{
return 1;
}
}
return 0;
}
static int Utf8ToUtf16(const char* src, WCHAR * dst)
{
return MultiByteToWideChar(CP_UTF8, 0, src, -1, dst, MAX_PATH * sizeof(WCHAR));
}
static int Utf16ToUtf8(const WCHAR* src, CHAR * dst)
{
int size = WideCharToMultiByte(CP_UTF8, 0, src, -1, dst, MAX_PATH, NULL, 0);
dst[size] = 0;
return size;
}
int ventoy_path_case(char *path, int slash)
{
int i;
int j = 0;
int count = 0;
int isUTF8 = 0;
BOOL bRet;
HANDLE handle = INVALID_HANDLE_VALUE;
WCHAR Buffer[MAX_PATH + 16];
WCHAR FilePathW[MAX_PATH];
CHAR FilePathA[MAX_PATH];
FILE_NAME_INFO *pInfo = NULL;
if (g_sysinfo.pathcase == 0)
{
return 0;
}
if (path == NULL || path[0] == '/' || path[0] == '\\')
{
return 0;
}
isUTF8 = IsUTF8Encode(path);
if (isUTF8)
{
Utf8ToUtf16(path, FilePathW);
handle = CreateFileW(FilePathW, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0);
}
else
{
handle = CreateFileA(path, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0);
}
if (handle != INVALID_HANDLE_VALUE)
{
bRet = GetFileInformationByHandleEx(handle, FileNameInfo, Buffer, sizeof(Buffer));
if (bRet)
{
pInfo = (FILE_NAME_INFO *)Buffer;
if (slash)
{
for (i = 0; i < (int)(pInfo->FileNameLength / sizeof(WCHAR)); i++)
{
if (pInfo->FileName[i] == L'\\')
{
pInfo->FileName[i] = L'/';
}
}
}
pInfo->FileName[(pInfo->FileNameLength / sizeof(WCHAR))] = 0;
memset(FilePathA, 0, sizeof(FilePathA));
Utf16ToUtf8(pInfo->FileName, FilePathA);
if (FilePathA[1] == ':')
{
j = 3;
}
else
{
j = 1;
}
for (i = 0; i < MAX_PATH && j < MAX_PATH; i++, j++)
{
if (FilePathA[j] == 0)
{
break;
}
if (path[i] != FilePathA[j])
{
path[i] = FilePathA[j];
count++;
}
}
}
CHECK_CLOSE_HANDLE(handle);
}
return count;
}
int ventoy_is_directory_exist(const char *Fmt, ...)
{
va_list Arg;
DWORD Attr;
int UTF8 = 0;
CHAR FilePathA[MAX_PATH];
WCHAR FilePathW[MAX_PATH];
va_start(Arg, Fmt);
vsnprintf_s(FilePathA, sizeof(FilePathA), sizeof(FilePathA), Fmt, Arg);
va_end(Arg);
UTF8 = IsUTF8Encode(FilePathA);
if (UTF8)
{
Utf8ToUtf16(FilePathA, FilePathW);
Attr = GetFileAttributesW(FilePathW);
}
else
{
Attr = GetFileAttributesA(FilePathA);
}
if (Attr != INVALID_FILE_ATTRIBUTES && (Attr & FILE_ATTRIBUTE_DIRECTORY))
{
return TRUE;
}
return FALSE;
}
int ventoy_is_file_exist(const char *Fmt, ...)
{
va_list Arg;
HANDLE hFile;
DWORD Attr;
int UTF8 = 0;
CHAR FilePathA[MAX_PATH];
WCHAR FilePathW[MAX_PATH];
va_start(Arg, Fmt);
vsnprintf_s(FilePathA, sizeof(FilePathA), sizeof(FilePathA), Fmt, Arg);
va_end(Arg);
UTF8 = IsUTF8Encode(FilePathA);
if (UTF8)
{
Utf8ToUtf16(FilePathA, FilePathW);
hFile = CreateFileW(FilePathW, FILE_READ_EA, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
Attr = GetFileAttributesW(FilePathW);
}
else
{
hFile = CreateFileA(FilePathA, FILE_READ_EA, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
Attr = GetFileAttributesA(FilePathA);
}
if (INVALID_HANDLE_VALUE == hFile)
{
return 0;
}
CloseHandle(hFile);
if (Attr & FILE_ATTRIBUTE_DIRECTORY)
{
return 0;
}
return 1;
}
const char * ventoy_get_os_language(void)
{
if (GetUserDefaultUILanguage() == 0x0804)
{
return "cn";
}
else
{
return "en";
}
}
int GetPhyDriveByLogicalDrive(int DriveLetter, UINT64 *Offset)
{
BOOL Ret;
DWORD dwSize;
HANDLE Handle;
VOLUME_DISK_EXTENTS DiskExtents;
CHAR PhyPath[128];
scnprintf(PhyPath, sizeof(PhyPath), "\\\\.\\%C:", (CHAR)DriveLetter);
Handle = CreateFileA(PhyPath, 0, 0, 0, OPEN_EXISTING, 0, 0);
if (Handle == INVALID_HANDLE_VALUE)
{
vlog("CreateFileA %s failed %u\n", PhyPath, LASTERR);
return -1;
}
Ret = DeviceIoControl(Handle,
IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS,
NULL,
0,
&DiskExtents,
(DWORD)(sizeof(DiskExtents)),
(LPDWORD)&dwSize,
NULL);
if (!Ret || DiskExtents.NumberOfDiskExtents == 0)
{
vlog("IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTSfailed %u\n", LASTERR);
CHECK_CLOSE_HANDLE(Handle);
return -1;
}
CHECK_CLOSE_HANDLE(Handle);
if (Offset)
{
*Offset = (UINT64)(DiskExtents.Extents[0].StartingOffset.QuadPart);
}
return (int)DiskExtents.Extents[0].DiskNumber;
}
int GetPhyDriveInfo(int PhyDrive, UINT64 *Size, CHAR *Vendor, CHAR *Product)
{
int ret = 1;
BOOL bRet;
DWORD dwBytes;
CHAR Drive[64];
HANDLE Handle = INVALID_HANDLE_VALUE;
GET_LENGTH_INFORMATION LengthInfo;
STORAGE_PROPERTY_QUERY Query;
STORAGE_DESCRIPTOR_HEADER DevDescHeader;
STORAGE_DEVICE_DESCRIPTOR *pDevDesc = NULL;
sprintf_s(Drive, sizeof(Drive), "\\\\.\\PhysicalDrive%d", PhyDrive);
Handle = CreateFileA(Drive, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
if (Handle == INVALID_HANDLE_VALUE)
{
vlog("CreateFileA %s failed %u\n", Drive, LASTERR);
goto out;
}
bRet = DeviceIoControl(Handle,
IOCTL_DISK_GET_LENGTH_INFO, NULL,
0,
&LengthInfo,
sizeof(LengthInfo),
&dwBytes,
NULL);
if (!bRet)
{
vlog("IOCTL_DISK_GET_LENGTH_INFO failed %u\n", LASTERR);
return 1;
}
if (Size)
{
*Size = (UINT64)LengthInfo.Length.QuadPart;
}
Query.PropertyId = StorageDeviceProperty;
Query.QueryType = PropertyStandardQuery;
bRet = DeviceIoControl(Handle,
IOCTL_STORAGE_QUERY_PROPERTY,
&Query,
sizeof(Query),
&DevDescHeader,
sizeof(STORAGE_DESCRIPTOR_HEADER),
&dwBytes,
NULL);
if (!bRet)
{
vlog("IOCTL_STORAGE_QUERY_PROPERTY failed %u\n", LASTERR);
goto out;
}
if (DevDescHeader.Size < sizeof(STORAGE_DEVICE_DESCRIPTOR))
{
vlog("DevDescHeader.size invalid %u\n", DevDescHeader.Size);
goto out;
}
pDevDesc = (STORAGE_DEVICE_DESCRIPTOR *)malloc(DevDescHeader.Size);
if (!pDevDesc)
{
vlog("malloc failed\n");
goto out;
}
bRet = DeviceIoControl(Handle,
IOCTL_STORAGE_QUERY_PROPERTY,
&Query,
sizeof(Query),
pDevDesc,
DevDescHeader.Size,
&dwBytes,
NULL);
if (!bRet)
{
vlog("IOCTL_STORAGE_QUERY_PROPERTY failed %u\n", LASTERR);
goto out;
}
if (pDevDesc->VendorIdOffset && Vendor)
{
strcpy_s(Vendor, 128, (char *)pDevDesc + pDevDesc->VendorIdOffset);
TrimString(Vendor);
}
if (pDevDesc->ProductIdOffset && Product)
{
strcpy_s(Product, 128, (char *)pDevDesc + pDevDesc->ProductIdOffset);
TrimString(Product);
}
ret = 0;
out:
CHECK_FREE(pDevDesc);
CHECK_CLOSE_HANDLE(Handle);
return ret;
}
int ventoy_get_file_size(const char *file)
{
int Size = -1;
HANDLE hFile;
hFile = CreateFileA(file, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
if (hFile != INVALID_HANDLE_VALUE)
{
Size = (int)GetFileSize(hFile, NULL);
CHECK_CLOSE_HANDLE(hFile);
}
return Size;
}
static HANDLE g_FatPhyDrive;
static UINT64 g_Part2StartSec;
const CHAR* ParseVentoyVersionFromString(CHAR *Buf)
{
CHAR *Pos = NULL;
CHAR *End = NULL;
static CHAR LocalVersion[64] = { 0 };
Pos = strstr(Buf, "VENTOY_VERSION=");
if (Pos)
{
Pos += strlen("VENTOY_VERSION=");
if (*Pos == '"')
{
Pos++;
}
End = Pos;
while (*End != 0 && *End != '"' && *End != '\r' && *End != '\n')
{
End++;
}
*End = 0;
sprintf_s(LocalVersion, sizeof(LocalVersion), "%s", Pos);
return LocalVersion;
}
return "";
}
static int GetVentoyVersionFromFatFile(CHAR *VerBuf, size_t BufLen)
{
int rc = 1;
int size = 0;
char *buf = NULL;
void *flfile = NULL;
flfile = fl_fopen("/grub/grub.cfg", "rb");
if (flfile)
{
fl_fseek(flfile, 0, SEEK_END);
size = (int)fl_ftell(flfile);
fl_fseek(flfile, 0, SEEK_SET);
buf = (char *)malloc(size + 1);
if (buf)
{
fl_fread(buf, 1, size, flfile);
buf[size] = 0;
rc = 0;
sprintf_s(VerBuf, BufLen, "%s", ParseVentoyVersionFromString(buf));
free(buf);
}
fl_fclose(flfile);
}
return rc;
}
static int VentoyFatDiskRead(uint32 Sector, uint8 *Buffer, uint32 SectorCount)
{
DWORD dwSize;
BOOL bRet;
DWORD ReadSize;
LARGE_INTEGER liCurrentPosition;
liCurrentPosition.QuadPart = Sector + g_Part2StartSec;
liCurrentPosition.QuadPart *= 512;
SetFilePointerEx(g_FatPhyDrive, liCurrentPosition, &liCurrentPosition, FILE_BEGIN);
ReadSize = (DWORD)(SectorCount * 512);
bRet = ReadFile(g_FatPhyDrive, Buffer, ReadSize, &dwSize, NULL);
if (bRet == FALSE || dwSize != ReadSize)
{
}
return 1;
}
static int GetVentoyVersion(int PhyDrive, ventoy_disk *disk)
{
int ret = 1;
BOOL bRet;
DWORD dwBytes;
UINT64 Part2Offset;
HANDLE Handle = INVALID_HANDLE_VALUE;
VTOY_GPT_INFO *pGPT = NULL;
CHAR Drive[64];
void *flfile = NULL;
UCHAR MbrData[] =
{
0xEB, 0x63, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x56, 0x54, 0x00, 0x47, 0x65, 0x00, 0x48, 0x44, 0x00, 0x52, 0x64, 0x00, 0x20, 0x45, 0x72, 0x0D,
};
sprintf_s(Drive, sizeof(Drive), "\\\\.\\PhysicalDrive%d", PhyDrive);
Handle = CreateFileA(Drive, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
if (Handle == INVALID_HANDLE_VALUE)
{
vlog("CreateFileA %s failed %u\n", Drive, LASTERR);
goto out;
}
pGPT = zalloc(sizeof(VTOY_GPT_INFO));
if (!pGPT)
{
goto out;
}
bRet = ReadFile(Handle, pGPT, sizeof(VTOY_GPT_INFO), &dwBytes, NULL);
if (!bRet || dwBytes != sizeof(VTOY_GPT_INFO))
{
vlog("ReadFile failed %u\n", LASTERR);
goto out;
}
if (memcmp(pGPT->MBR.BootCode, MbrData, 0x30) || memcmp(pGPT->MBR.BootCode + 0x190, MbrData + 0x30, 0x10))
{
vlog("Invalid MBR Code %u\n", LASTERR);
goto out;
}
if (pGPT->MBR.PartTbl[0].FsFlag == 0xEE)
{
if (memcmp(pGPT->Head.Signature, "EFI PART", 8))
{
vlog("Invalid GPT Signature\n");
goto out;
}
Part2Offset = pGPT->PartTbl[1].StartLBA;
disk->cur_part_style = 1;
}
else
{
Part2Offset = pGPT->MBR.PartTbl[1].StartSectorId;
disk->cur_part_style = 0;
}
g_FatPhyDrive = Handle;
g_Part2StartSec = Part2Offset;
fl_init();
if (0 == fl_attach_media(VentoyFatDiskRead, NULL))
{
ret = GetVentoyVersionFromFatFile(disk->cur_ventoy_ver, sizeof(disk->cur_ventoy_ver));
if (ret == 0)
{
flfile = fl_fopen("/EFI/BOOT/grubx64_real.efi", "rb");
if (flfile)
{
disk->cur_secureboot = 1;
fl_fclose(flfile);
}
}
}
fl_shutdown();
out:
CHECK_FREE(pGPT);
CHECK_CLOSE_HANDLE(Handle);
return ret;
}
int CheckRuntimeEnvironment(char Letter, ventoy_disk *disk)
{
int PhyDrive;
UINT64 Offset = 0;
char Drive[32];
DWORD FsFlag;
CHAR Vendor[128] = { 0 };
CHAR Product[128] = { 0 };
CHAR FsName[MAX_PATH];
PhyDrive = GetPhyDriveByLogicalDrive(Letter, &Offset);
if (PhyDrive < 0)
{
vlog("GetPhyDriveByLogicalDrive failed %d %llu\n", PhyDrive, (ULONGLONG)Offset);
return 1;
}
if (Offset != 1048576)
{
vlog("Partition offset is NOT 1MB. This is NOT ventoy image partition (%llu)\n", (ULONGLONG)Offset);
return 1;
}
if (GetPhyDriveInfo(PhyDrive, &Offset, Vendor, Product) != 0)
{
vlog("GetPhyDriveInfo failed\n");
return 1;
}
sprintf_s(disk->cur_capacity, sizeof(disk->cur_capacity), "%dGB", (int)ventoy_get_human_readable_gb(Offset));
sprintf_s(disk->cur_model, sizeof(disk->cur_model), "%s %s", Vendor, Product);
scnprintf(Drive, sizeof(Drive), "%C:\\", Letter);
if (0 == GetVolumeInformationA(Drive, NULL, 0, NULL, NULL, &FsFlag, FsName, MAX_PATH))
{
vlog("GetVolumeInformationA failed %u\n", LASTERR);
return 1;
}
if (_stricmp(FsName, "NTFS") == 0)
{
disk->pathcase = 1;
}
strlcpy(disk->cur_fsname, FsName);
if (GetVentoyVersion(PhyDrive, disk) != 0)
{
vlog("GetVentoyVersion failed %u\n", LASTERR);
return 1;
}
return 0;
}
int ventoy_write_buf_to_file(const char *FileName, void *Bufer, int BufLen)
{
BOOL bRet;
DWORD dwBytes;
HANDLE hFile;
hFile = CreateFileA(FileName, GENERIC_READ | GENERIC_WRITE, 0, 0, CREATE_ALWAYS, 0, 0);
if (hFile == INVALID_HANDLE_VALUE)
{
vlog("CreateFile %s failed %u\n", FileName, LASTERR);
return 1;
}
bRet = WriteFile(hFile, Bufer, (DWORD)BufLen, &dwBytes, NULL);
if ((!bRet) || ((DWORD)BufLen != dwBytes))
{
vlog("Failed to write file <%s> %u err:%u", FileName, dwBytes, LASTERR);
CloseHandle(hFile);
return 1;
}
FlushFileBuffers(hFile);
CloseHandle(hFile);
return 0;
}
int ventoy_decompress_tar(char *tarbuf, int buflen, int *tarsize)
{
int rc = 1;
int inused;
HANDLE hFile;
DWORD dwSize;
DWORD dwRead;
WCHAR FullPath[MAX_PATH];
BYTE *buffer;
VENTOY_MAGIC Magic;
GetModuleFileNameW(NULL, FullPath, MAX_PATH);
hFile = CreateFileW(FullPath, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
vlog("Failed to open self %u\n", LASTERR);
return 1;
}
dwSize = GetFileSize(hFile, NULL);
if (dwSize == INVALID_FILE_SIZE)
{
vlog("Invalid self exe size %u\n", LASTERR);
CHECK_CLOSE_HANDLE(hFile);
return 1;
}
buffer = malloc(dwSize);
if (!buffer)
{
vlog("Failed to malloc %u\n", dwSize);
CHECK_CLOSE_HANDLE(hFile);
return 1;
}
ReadFile(hFile, buffer, dwSize, &dwRead, NULL);
memcpy(&Magic, buffer + dwSize - sizeof(Magic), sizeof(Magic));
if (Magic.magic1 == 0x54535251 && Magic.magic2 == 0xa4a3a2a1)
{
g_unxz_buffer = (UCHAR *)tarbuf;
g_unxz_len = 0;
unxz(buffer + dwSize - Magic.xzlen - sizeof(Magic), Magic.xzlen, NULL, unxz_flush, NULL, &inused, unxz_error);
vlog("bigexe:%u xzlen:%u rawdata size:%d\n", dwSize, Magic.xzlen, g_unxz_len);
if (inused != Magic.xzlen)
{
vlog("Failed to unxz www %d\n", inused);
rc = 1;
}
else
{
*tarsize = g_unxz_len;
rc = 0;
}
}
else
{
vlog("Invalid magic 0x%x 0x%x\n", Magic.magic1, Magic.magic2);
rc = 1;
}
free(buffer);
CHECK_CLOSE_HANDLE(hFile);
return rc;
}
static volatile int g_thread_stop = 0;
static HANDLE g_writeback_thread;
static HANDLE g_writeback_event;
DWORD WINAPI ventoy_local_thread_run(LPVOID lpParameter)
{
ventoy_http_writeback_pf callback = (ventoy_http_writeback_pf)lpParameter;
while (1)
{
WaitForSingleObject(g_writeback_event, INFINITE);
if (g_thread_stop)
{
break;
}
else
{
callback();
}
}
return 0;
}
void ventoy_set_writeback_event(void)
{
SetEvent(g_writeback_event);
}
int ventoy_start_writeback_thread(ventoy_http_writeback_pf callback)
{
g_thread_stop = 0;
g_writeback_event = CreateEventA(NULL, FALSE, FALSE, "VTOYWRBK");
g_writeback_thread = CreateThread(NULL, 0, ventoy_local_thread_run, callback, 0, NULL);
return 0;
}
void ventoy_stop_writeback_thread(void)
{
g_thread_stop = 1;
ventoy_set_writeback_event();
WaitForSingleObject(g_writeback_thread, INFINITE);
CHECK_CLOSE_HANDLE(g_writeback_thread);
CHECK_CLOSE_HANDLE(g_writeback_event);
}
int ventoy_copy_file(const char *a, const char *b)
{
CopyFileA(a, b, FALSE);
return 0;
}

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File IO Lib API
-=-=-=-=-=-=-=-=-
void fl_init(void)
Called to initialize FAT IO library.
This should be called prior to any other functions.
void fl_attach_locks(void (*lock)(void), void (*unlock)(void))
[Optional] File system thread safety locking functions.
For thread safe operation, you should provide lock() and unlock() functions.
Note that locking primitive used must support recursive locking, i.e lock() called within an already ‘locked’ region.
int fl_attach_media(fn_diskio_read rd, fn_diskio_write wr)
This function is used to attach system specific disk/media access functions.
This should be done subsequent to calling fl_init() and fl_attach_locks() (if locking required).
void fl_shutdown(void)
Shutdown the FAT IO library. This purges any un-saved data back to disk.

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
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For example, if you distribute copies of such a program, whether
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you have. You must make sure that they, too, receive or can get the
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rights.
We protect your rights with two steps: (1) copyright the software, and
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Finally, any free program is threatened constantly by software
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The precise terms and conditions for copying, distribution and
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GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
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c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
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notice that there is no warranty (or else, saying that you provide
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the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
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In addition, mere aggregation of another work not based on the Program
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Sections 1 and 2 above provided that you also do one of the following:
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except as expressly provided under this License. Any attempt
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This section is intended to make thoroughly clear what is believed to
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may add an explicit geographical distribution limitation excluding
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NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

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Plugson/src/Lib/fat_io_lib/Configuration.txt
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File IO Lib Options
-=-=-=-=-=-=-=-=-=-
See defines in fat_opts.h:
FATFS_IS_LITTLE_ENDIAN [1/0]
Which endian is your system? Set to 1 for little endian, 0 for big endian.
FATFS_MAX_LONG_FILENAME [260]
By default, 260 characters (max LFN length). Increase this to support greater path depths.
FATFS_MAX_OPEN_FILES
The more files you wish to have concurrently open, the greater this number should be.
This increases the number of FL_FILE file structures in the library, each of these is around 1K in size (assuming 512 byte sectors).
FAT_BUFFER_SECTORS
Minimum is 1, more increases performance.
This defines how many FAT sectors can be buffered per FAT_BUFFER entry.
FAT_BUFFERS
Minimum is 1, more increases performance.
This defines how many FAT buffer entries are available.
Memory usage is FAT_BUFFERS * FAT_BUFFER_SECTORS * FAT_SECTOR_SIZE
FATFS_INC_WRITE_SUPPORT
Support file write functionality.
FAT_SECTOR_SIZE
Sector size used by buffers. Most likely to be 512 bytes (standard for ATA/IDE).
FAT_PRINTF
A define that allows the File IO library to print to console/stdout.
Provide your own printf function if printf not available.
FAT_CLUSTER_CACHE_ENTRIES
Size of cluster chain cache (can be undefined if not required).
Mem used = FAT_CLUSTER_CACHE_ENTRIES * 4 * 2
Improves access speed considerably.
FATFS_INC_LFN_SUPPORT [1/0]
Enable/Disable support for long filenames.
FATFS_DIR_LIST_SUPPORT [1/0]
Include support for directory listing.
FATFS_INC_TIME_DATE_SUPPORT [1/0]
Use time/date functions provided by time.h to update creation & modification timestamps.
FATFS_INC_FORMAT_SUPPORT
Include support for formatting disks (FAT16 only).
FAT_PRINTF_NOINC_STDIO
Disable use of printf & inclusion of stdio.h

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Revision History
-=-=-=-=-=-=-=-=-
v2.6.11 - Fix compilation with GCC on 64-bit machines
v2.6.10 - Added support for FAT32 format.
V2.6.9 - Added support for time & date handling.
V2.6.8 - Fixed error with FSINFO sector write.
V2.6.7 - Added fgets().
Fixed C warnings, removed dependancy on some string.h functions.
V2.6.6 – Massive read + write performance improvements.
V2.6.5 – Bug fixes for big endian systems.
V2.6.4 – Further bug fixes and performance improvements for write operations.
V2.6.3 – Peformance improvements, FAT16 formatting support. Various bug fixes.
V2.6 - Basic support for FAT16 added (18-04-10).
V2.5 - Code cleaned up. Many bugs fixed. Thread safety functions added.
V2.x - Write support added as well as better stdio like API.
V1.0 - Rewrite of all code to enable multiple files to be opened and provides a
better file API.
Also better string matching, and generally better C code than origonal
version.
V0.1c - Fetch_ID_Max_LBA() function added to retrieve Drive infomation and stoping
the drive reads from addressing a sector that is out of range.
V0.1b - fopen(), fgetc(), fopenDIR() using new software stack for IDE and FAT32
access.
V0.1a - First release (27/12/03); fopen(), fgetc() unbuffered reads.

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FAT File IO Library License
-=-=-=-=-=-=-=-=-=-=-=-=-=-
This versions license: GPL
If you include GPL software in your project, you must release the source code of that project too.
If you would like a version with a more permissive license for use in closed source commercial applications please contact me for details.
Email: admin@ultra-embedded.com

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Media Access API
-=-=-=-=-=-=-=-=-
int media_read(uint32 sector, uint8 *buffer, uint32 sector_count)
Params:
Sector: 32-bit sector number
Buffer: Target buffer to read n sectors of data into.
Sector_count: Number of sectors to read.
Return:
int, 1 = success, 0 = failure.
Description:
Application/target specific disk/media read function.
Sector number (sectors are usually 512 byte pages) to read.
Media Write API
int media_write(uint32 sector, uint8 *buffer, uint32 sector_count)
Params:
Sector: 32-bit sector number
Buffer: Target buffer to write n sectors of data from.
Sector_count: Number of sectors to write.
Return:
int, 1 = success, 0 = failure.
Description:
Application/target specific disk/media write function.
Sector number (sectors are usually 512 byte pages) to write to.
File IO Library Linkage
Use the following API to attach the media IO functions to the File IO library.
int fl_attach_media(fn_diskio_read rd, fn_diskio_write wr)

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//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// FAT16/32 File IO Library
// V2.6
// Ultra-Embedded.com
// Copyright 2003 - 2012
//
// Email: admin@ultra-embedded.com
//
// License: GPL
// If you would like a version with a more permissive license for use in
// closed source commercial applications please contact me for details.
//-----------------------------------------------------------------------------
//
// This file is part of FAT File IO Library.
//
// FAT File IO Library is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// FAT File IO Library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FAT File IO Library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#include <string.h>
#include "fat_defs.h"
#include "fat_access.h"
#include "fat_table.h"
#include "fat_write.h"
#include "fat_string.h"
#include "fat_misc.h"
//-----------------------------------------------------------------------------
// fatfs_init: Load FAT Parameters
//-----------------------------------------------------------------------------
int fatfs_init(struct fatfs *fs)
{
uint8 num_of_fats;
uint16 reserved_sectors;
uint32 FATSz;
uint32 root_dir_sectors;
uint32 total_sectors;
uint32 data_sectors;
uint32 count_of_clusters;
uint8 valid_partition = 0;
fs->currentsector.address = FAT32_INVALID_CLUSTER;
fs->currentsector.dirty = 0;
fs->next_free_cluster = 0; // Invalid
fatfs_fat_init(fs);
// Make sure we have a read function (write function is optional)
if (!fs->disk_io.read_media)
return FAT_INIT_MEDIA_ACCESS_ERROR;
// MBR: Sector 0 on the disk
// NOTE: Some removeable media does not have this.
// Load MBR (LBA 0) into the 512 byte buffer
if (!fs->disk_io.read_media(0, fs->currentsector.sector, 1))
return FAT_INIT_MEDIA_ACCESS_ERROR;
// Make Sure 0x55 and 0xAA are at end of sector
// (this should be the case regardless of the MBR or boot sector)
if (fs->currentsector.sector[SIGNATURE_POSITION] != 0x55 || fs->currentsector.sector[SIGNATURE_POSITION+1] != 0xAA)
return FAT_INIT_INVALID_SIGNATURE;
// Now check again using the access function to prove endian conversion function
if (GET_16BIT_WORD(fs->currentsector.sector, SIGNATURE_POSITION) != SIGNATURE_VALUE)
return FAT_INIT_ENDIAN_ERROR;
// Verify packed structures
if (sizeof(struct fat_dir_entry) != FAT_DIR_ENTRY_SIZE)
return FAT_INIT_STRUCT_PACKING;
// Check the partition type code
switch(fs->currentsector.sector[PARTITION1_TYPECODE_LOCATION])
{
case 0x0B:
case 0x06:
case 0x0C:
case 0x0E:
case 0x0F:
case 0x05:
valid_partition = 1;
break;
case 0x00:
valid_partition = 0;
break;
default:
if (fs->currentsector.sector[PARTITION1_TYPECODE_LOCATION] <= 0x06)
valid_partition = 1;
break;
}
// Read LBA Begin for the file system
if (valid_partition)
fs->lba_begin = GET_32BIT_WORD(fs->currentsector.sector, PARTITION1_LBA_BEGIN_LOCATION);
// Else possibly MBR less disk
else
fs->lba_begin = 0;
// Load Volume 1 table into sector buffer
// (We may already have this in the buffer if MBR less drive!)
if (!fs->disk_io.read_media(fs->lba_begin, fs->currentsector.sector, 1))
return FAT_INIT_MEDIA_ACCESS_ERROR;
// Make sure there are 512 bytes per cluster
if (GET_16BIT_WORD(fs->currentsector.sector, 0x0B) != FAT_SECTOR_SIZE)
return FAT_INIT_INVALID_SECTOR_SIZE;
// Load Parameters of FAT partition
fs->sectors_per_cluster = fs->currentsector.sector[BPB_SECPERCLUS];
reserved_sectors = GET_16BIT_WORD(fs->currentsector.sector, BPB_RSVDSECCNT);
num_of_fats = fs->currentsector.sector[BPB_NUMFATS];
fs->root_entry_count = GET_16BIT_WORD(fs->currentsector.sector, BPB_ROOTENTCNT);
if(GET_16BIT_WORD(fs->currentsector.sector, BPB_FATSZ16) != 0)
fs->fat_sectors = GET_16BIT_WORD(fs->currentsector.sector, BPB_FATSZ16);
else
fs->fat_sectors = GET_32BIT_WORD(fs->currentsector.sector, BPB_FAT32_FATSZ32);
// For FAT32 (which this may be)
fs->rootdir_first_cluster = GET_32BIT_WORD(fs->currentsector.sector, BPB_FAT32_ROOTCLUS);
fs->fs_info_sector = GET_16BIT_WORD(fs->currentsector.sector, BPB_FAT32_FSINFO);
// For FAT16 (which this may be), rootdir_first_cluster is actuall rootdir_first_sector
fs->rootdir_first_sector = reserved_sectors + (num_of_fats * fs->fat_sectors);
fs->rootdir_sectors = ((fs->root_entry_count * 32) + (FAT_SECTOR_SIZE - 1)) / FAT_SECTOR_SIZE;
// First FAT LBA address
fs->fat_begin_lba = fs->lba_begin + reserved_sectors;
// The address of the first data cluster on this volume
fs->cluster_begin_lba = fs->fat_begin_lba + (num_of_fats * fs->fat_sectors);
if (GET_16BIT_WORD(fs->currentsector.sector, 0x1FE) != 0xAA55) // This signature should be AA55
return FAT_INIT_INVALID_SIGNATURE;
// Calculate the root dir sectors
root_dir_sectors = ((GET_16BIT_WORD(fs->currentsector.sector, BPB_ROOTENTCNT) * 32) + (GET_16BIT_WORD(fs->currentsector.sector, BPB_BYTSPERSEC) - 1)) / GET_16BIT_WORD(fs->currentsector.sector, BPB_BYTSPERSEC);
if(GET_16BIT_WORD(fs->currentsector.sector, BPB_FATSZ16) != 0)
FATSz = GET_16BIT_WORD(fs->currentsector.sector, BPB_FATSZ16);
else
FATSz = GET_32BIT_WORD(fs->currentsector.sector, BPB_FAT32_FATSZ32);
if(GET_16BIT_WORD(fs->currentsector.sector, BPB_TOTSEC16) != 0)
total_sectors = GET_16BIT_WORD(fs->currentsector.sector, BPB_TOTSEC16);
else
total_sectors = GET_32BIT_WORD(fs->currentsector.sector, BPB_TOTSEC32);
data_sectors = total_sectors - (GET_16BIT_WORD(fs->currentsector.sector, BPB_RSVDSECCNT) + (fs->currentsector.sector[BPB_NUMFATS] * FATSz) + root_dir_sectors);
// Find out which version of FAT this is...
if (fs->sectors_per_cluster != 0)
{
count_of_clusters = data_sectors / fs->sectors_per_cluster;
if(count_of_clusters < 4085)
// Volume is FAT12
return FAT_INIT_WRONG_FILESYS_TYPE;
else if(count_of_clusters < 65525)
{
// Clear this FAT32 specific param
fs->rootdir_first_cluster = 0;
// Volume is FAT16
fs->fat_type = FAT_TYPE_16;
return FAT_INIT_OK;
}
else
{
// Volume is FAT32
fs->fat_type = FAT_TYPE_32;
return FAT_INIT_OK;
}
}
else
return FAT_INIT_WRONG_FILESYS_TYPE;
}
//-----------------------------------------------------------------------------
// fatfs_lba_of_cluster: This function converts a cluster number into a sector /
// LBA number.
//-----------------------------------------------------------------------------
uint32 fatfs_lba_of_cluster(struct fatfs *fs, uint32 Cluster_Number)
{
if (fs->fat_type == FAT_TYPE_16)
return (fs->cluster_begin_lba + (fs->root_entry_count * 32 / FAT_SECTOR_SIZE) + ((Cluster_Number-2) * fs->sectors_per_cluster));
else
return ((fs->cluster_begin_lba + ((Cluster_Number-2)*fs->sectors_per_cluster)));
}
//-----------------------------------------------------------------------------
// fatfs_sector_read:
//-----------------------------------------------------------------------------
int fatfs_sector_read(struct fatfs *fs, uint32 lba, uint8 *target, uint32 count)
{
return fs->disk_io.read_media(lba, target, count);
}
//-----------------------------------------------------------------------------
// fatfs_sector_write:
//-----------------------------------------------------------------------------
int fatfs_sector_write(struct fatfs *fs, uint32 lba, uint8 *target, uint32 count)
{
return fs->disk_io.write_media(lba, target, count);
}
//-----------------------------------------------------------------------------
// fatfs_sector_reader: From the provided startcluster and sector offset
// Returns True if success, returns False if not (including if read out of range)
//-----------------------------------------------------------------------------
int fatfs_sector_reader(struct fatfs *fs, uint32 start_cluster, uint32 offset, uint8 *target)
{
uint32 sector_to_read = 0;
uint32 cluster_to_read = 0;
uint32 cluster_chain = 0;
uint32 i;
uint32 lba;
// FAT16 Root directory
if (fs->fat_type == FAT_TYPE_16 && start_cluster == 0)
{
if (offset < fs->rootdir_sectors)
lba = fs->lba_begin + fs->rootdir_first_sector + offset;
else
return 0;
}
// FAT16/32 Other
else
{
// Set start of cluster chain to initial value
cluster_chain = start_cluster;
// Find parameters
cluster_to_read = offset / fs->sectors_per_cluster;
sector_to_read = offset - (cluster_to_read*fs->sectors_per_cluster);
// Follow chain to find cluster to read
for (i=0; i<cluster_to_read; i++)
cluster_chain = fatfs_find_next_cluster(fs, cluster_chain);
// If end of cluster chain then return false
if (cluster_chain == FAT32_LAST_CLUSTER)
return 0;
// Calculate sector address
lba = fatfs_lba_of_cluster(fs, cluster_chain)+sector_to_read;
}
// User provided target array
if (target)
return fs->disk_io.read_media(lba, target, 1);
// Else read sector if not already loaded
else if (lba != fs->currentsector.address)
{
fs->currentsector.address = lba;
return fs->disk_io.read_media(fs->currentsector.address, fs->currentsector.sector, 1);
}
else
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_read_sector: Read from the provided cluster and sector offset
// Returns True if success, returns False if not
//-----------------------------------------------------------------------------
int fatfs_read_sector(struct fatfs *fs, uint32 cluster, uint32 sector, uint8 *target)
{
// FAT16 Root directory
if (fs->fat_type == FAT_TYPE_16 && cluster == 0)
{
uint32 lba;
// In FAT16, there are a limited amount of sectors in root dir!
if (sector < fs->rootdir_sectors)
lba = fs->lba_begin + fs->rootdir_first_sector + sector;
else
return 0;
// User target buffer passed in
if (target)
{
// Read from disk
return fs->disk_io.read_media(lba, target, 1);
}
else
{
// Calculate read address
fs->currentsector.address = lba;
// Read from disk
return fs->disk_io.read_media(fs->currentsector.address, fs->currentsector.sector, 1);
}
}
// FAT16/32 Other
else
{
// User target buffer passed in
if (target)
{
// Calculate read address
uint32 lba = fatfs_lba_of_cluster(fs, cluster) + sector;
// Read from disk
return fs->disk_io.read_media(lba, target, 1);
}
else
{
// Calculate write address
fs->currentsector.address = fatfs_lba_of_cluster(fs, cluster)+sector;
// Read from disk
return fs->disk_io.read_media(fs->currentsector.address, fs->currentsector.sector, 1);
}
}
}
//-----------------------------------------------------------------------------
// fatfs_write_sector: Write to the provided cluster and sector offset
// Returns True if success, returns False if not
//-----------------------------------------------------------------------------
#if FATFS_INC_WRITE_SUPPORT
int fatfs_write_sector(struct fatfs *fs, uint32 cluster, uint32 sector, uint8 *target)
{
// No write access?
if (!fs->disk_io.write_media)
return 0;
// FAT16 Root directory
if (fs->fat_type == FAT_TYPE_16 && cluster == 0)
{
uint32 lba;
// In FAT16 we cannot extend the root dir!
if (sector < fs->rootdir_sectors)
lba = fs->lba_begin + fs->rootdir_first_sector + sector;
else
return 0;
// User target buffer passed in
if (target)
{
// Write to disk
return fs->disk_io.write_media(lba, target, 1);
}
else
{
// Calculate write address
fs->currentsector.address = lba;
// Write to disk
return fs->disk_io.write_media(fs->currentsector.address, fs->currentsector.sector, 1);
}
}
// FAT16/32 Other
else
{
// User target buffer passed in
if (target)
{
// Calculate write address
uint32 lba = fatfs_lba_of_cluster(fs, cluster) + sector;
// Write to disk
return fs->disk_io.write_media(lba, target, 1);
}
else
{
// Calculate write address
fs->currentsector.address = fatfs_lba_of_cluster(fs, cluster)+sector;
// Write to disk
return fs->disk_io.write_media(fs->currentsector.address, fs->currentsector.sector, 1);
}
}
}
#endif
//-----------------------------------------------------------------------------
// fatfs_show_details: Show the details about the filesystem
//-----------------------------------------------------------------------------
void fatfs_show_details(struct fatfs *fs)
{
FAT_PRINTF(("FAT details:\r\n"));
FAT_PRINTF((" Type =%s", (fs->fat_type == FAT_TYPE_32) ? "FAT32": "FAT16"));
FAT_PRINTF((" Root Dir First Cluster = %x\r\n", fs->rootdir_first_cluster));
FAT_PRINTF((" FAT Begin LBA = 0x%x\r\n",fs->fat_begin_lba));
FAT_PRINTF((" Cluster Begin LBA = 0x%x\r\n",fs->cluster_begin_lba));
FAT_PRINTF((" Sectors Per Cluster = %d\r\n", fs->sectors_per_cluster));
}
//-----------------------------------------------------------------------------
// fatfs_get_root_cluster: Get the root dir cluster
//-----------------------------------------------------------------------------
uint32 fatfs_get_root_cluster(struct fatfs *fs)
{
// NOTE: On FAT16 this will be 0 which has a special meaning...
return fs->rootdir_first_cluster;
}
//-------------------------------------------------------------
// fatfs_get_file_entry: Find the file entry for a filename
//-------------------------------------------------------------
uint32 fatfs_get_file_entry(struct fatfs *fs, uint32 Cluster, char *name_to_find, struct fat_dir_entry *sfEntry)
{
uint8 item=0;
uint16 recordoffset = 0;
uint8 i=0;
int x=0;
char *long_filename = NULL;
char short_filename[13];
struct lfn_cache lfn;
int dotRequired = 0;
struct fat_dir_entry *directoryEntry;
fatfs_lfn_cache_init(&lfn, 1);
// Main cluster following loop
while (1)
{
// Read sector
if (fatfs_sector_reader(fs, Cluster, x++, 0)) // If sector read was successfull
{
// Analyse Sector
for (item = 0; item < FAT_DIR_ENTRIES_PER_SECTOR; item++)
{
// Create the multiplier for sector access
recordoffset = FAT_DIR_ENTRY_SIZE * item;
// Overlay directory entry over buffer
directoryEntry = (struct fat_dir_entry*)(fs->currentsector.sector+recordoffset);
#if FATFS_INC_LFN_SUPPORT
// Long File Name Text Found
if (fatfs_entry_lfn_text(directoryEntry) )
fatfs_lfn_cache_entry(&lfn, fs->currentsector.sector+recordoffset);
// If Invalid record found delete any long file name information collated
else if (fatfs_entry_lfn_invalid(directoryEntry) )
fatfs_lfn_cache_init(&lfn, 0);
// Normal SFN Entry and Long text exists
else if (fatfs_entry_lfn_exists(&lfn, directoryEntry) )
{
long_filename = fatfs_lfn_cache_get(&lfn);
// Compare names to see if they match
if (fatfs_compare_names(long_filename, name_to_find))
{
memcpy(sfEntry,directoryEntry,sizeof(struct fat_dir_entry));
return 1;
}
fatfs_lfn_cache_init(&lfn, 0);
}
else
#endif
// Normal Entry, only 8.3 Text
if (fatfs_entry_sfn_only(directoryEntry) )
{
memset(short_filename, 0, sizeof(short_filename));
// Copy name to string
for (i=0; i<8; i++)
short_filename[i] = directoryEntry->Name[i];
// Extension
dotRequired = 0;
for (i=8; i<11; i++)
{
short_filename[i+1] = directoryEntry->Name[i];
if (directoryEntry->Name[i] != ' ')
dotRequired = 1;
}
// Dot only required if extension present
if (dotRequired)
{
// If not . or .. entry
if (short_filename[0]!='.')
short_filename[8] = '.';
else
short_filename[8] = ' ';
}
else
short_filename[8] = ' ';
// Compare names to see if they match
if (fatfs_compare_names(short_filename, name_to_find))
{
memcpy(sfEntry,directoryEntry,sizeof(struct fat_dir_entry));
return 1;
}
fatfs_lfn_cache_init(&lfn, 0);
}
} // End of if
}
else
break;
} // End of while loop
return 0;
}
//-------------------------------------------------------------
// fatfs_sfn_exists: Check if a short filename exists.
// NOTE: shortname is XXXXXXXXYYY not XXXXXXXX.YYY
//-------------------------------------------------------------
#if FATFS_INC_WRITE_SUPPORT
int fatfs_sfn_exists(struct fatfs *fs, uint32 Cluster, char *shortname)
{
uint8 item=0;
uint16 recordoffset = 0;
int x=0;
struct fat_dir_entry *directoryEntry;
// Main cluster following loop
while (1)
{
// Read sector
if (fatfs_sector_reader(fs, Cluster, x++, 0)) // If sector read was successfull
{
// Analyse Sector
for (item = 0; item < FAT_DIR_ENTRIES_PER_SECTOR; item++)
{
// Create the multiplier for sector access
recordoffset = FAT_DIR_ENTRY_SIZE * item;
// Overlay directory entry over buffer
directoryEntry = (struct fat_dir_entry*)(fs->currentsector.sector+recordoffset);
#if FATFS_INC_LFN_SUPPORT
// Long File Name Text Found
if (fatfs_entry_lfn_text(directoryEntry) )
;
// If Invalid record found delete any long file name information collated
else if (fatfs_entry_lfn_invalid(directoryEntry) )
;
else
#endif
// Normal Entry, only 8.3 Text
if (fatfs_entry_sfn_only(directoryEntry) )
{
if (strncmp((const char*)directoryEntry->Name, shortname, 11)==0)
return 1;
}
} // End of if
}
else
break;
} // End of while loop
return 0;
}
#endif
//-------------------------------------------------------------
// fatfs_update_timestamps: Update date/time details
//-------------------------------------------------------------
#if FATFS_INC_TIME_DATE_SUPPORT
int fatfs_update_timestamps(struct fat_dir_entry *directoryEntry, int create, int modify, int access)
{
time_t time_now;
struct tm * time_info;
uint16 fat_time;
uint16 fat_date;
// Get system time
time(&time_now);
// Convert to local time
time_info = localtime(&time_now);
// Convert time to FAT format
fat_time = fatfs_convert_to_fat_time(time_info->tm_hour, time_info->tm_min, time_info->tm_sec);
// Convert date to FAT format
fat_date = fatfs_convert_to_fat_date(time_info->tm_mday, time_info->tm_mon + 1, time_info->tm_year + 1900);
// Update requested fields
if (create)
{
directoryEntry->CrtTime[1] = fat_time >> 8;
directoryEntry->CrtTime[0] = fat_time >> 0;
directoryEntry->CrtDate[1] = fat_date >> 8;
directoryEntry->CrtDate[0] = fat_date >> 0;
}
if (modify)
{
directoryEntry->WrtTime[1] = fat_time >> 8;
directoryEntry->WrtTime[0] = fat_time >> 0;
directoryEntry->WrtDate[1] = fat_date >> 8;
directoryEntry->WrtDate[0] = fat_date >> 0;
}
if (access)
{
directoryEntry->LstAccDate[1] = fat_time >> 8;
directoryEntry->LstAccDate[0] = fat_time >> 0;
directoryEntry->LstAccDate[1] = fat_date >> 8;
directoryEntry->LstAccDate[0] = fat_date >> 0;
}
return 1;
}
#endif
//-------------------------------------------------------------
// fatfs_update_file_length: Find a SFN entry and update it
// NOTE: shortname is XXXXXXXXYYY not XXXXXXXX.YYY
//-------------------------------------------------------------
#if FATFS_INC_WRITE_SUPPORT
int fatfs_update_file_length(struct fatfs *fs, uint32 Cluster, char *shortname, uint32 fileLength)
{
uint8 item=0;
uint16 recordoffset = 0;
int x=0;
struct fat_dir_entry *directoryEntry;
// No write access?
if (!fs->disk_io.write_media)
return 0;
// Main cluster following loop
while (1)
{
// Read sector
if (fatfs_sector_reader(fs, Cluster, x++, 0)) // If sector read was successfull
{
// Analyse Sector
for (item = 0; item < FAT_DIR_ENTRIES_PER_SECTOR; item++)
{
// Create the multiplier for sector access
recordoffset = FAT_DIR_ENTRY_SIZE * item;
// Overlay directory entry over buffer
directoryEntry = (struct fat_dir_entry*)(fs->currentsector.sector+recordoffset);
#if FATFS_INC_LFN_SUPPORT
// Long File Name Text Found
if (fatfs_entry_lfn_text(directoryEntry) )
;
// If Invalid record found delete any long file name information collated
else if (fatfs_entry_lfn_invalid(directoryEntry) )
;
// Normal Entry, only 8.3 Text
else
#endif
if (fatfs_entry_sfn_only(directoryEntry) )
{
if (strncmp((const char*)directoryEntry->Name, shortname, 11)==0)
{
directoryEntry->FileSize = FAT_HTONL(fileLength);
#if FATFS_INC_TIME_DATE_SUPPORT
// Update access / modify time & date
fatfs_update_timestamps(directoryEntry, 0, 1, 1);
#endif
// Update sfn entry
memcpy((uint8*)(fs->currentsector.sector+recordoffset), (uint8*)directoryEntry, sizeof(struct fat_dir_entry));
// Write sector back
return fs->disk_io.write_media(fs->currentsector.address, fs->currentsector.sector, 1);
}
}
} // End of if
}
else
break;
} // End of while loop
return 0;
}
#endif
//-------------------------------------------------------------
// fatfs_mark_file_deleted: Find a SFN entry and mark if as deleted
// NOTE: shortname is XXXXXXXXYYY not XXXXXXXX.YYY
//-------------------------------------------------------------
#if FATFS_INC_WRITE_SUPPORT
int fatfs_mark_file_deleted(struct fatfs *fs, uint32 Cluster, char *shortname)
{
uint8 item=0;
uint16 recordoffset = 0;
int x=0;
struct fat_dir_entry *directoryEntry;
// No write access?
if (!fs->disk_io.write_media)
return 0;
// Main cluster following loop
while (1)
{
// Read sector
if (fatfs_sector_reader(fs, Cluster, x++, 0)) // If sector read was successfull
{
// Analyse Sector
for (item = 0; item < FAT_DIR_ENTRIES_PER_SECTOR; item++)
{
// Create the multiplier for sector access
recordoffset = FAT_DIR_ENTRY_SIZE * item;
// Overlay directory entry over buffer
directoryEntry = (struct fat_dir_entry*)(fs->currentsector.sector+recordoffset);
#if FATFS_INC_LFN_SUPPORT
// Long File Name Text Found
if (fatfs_entry_lfn_text(directoryEntry) )
;
// If Invalid record found delete any long file name information collated
else if (fatfs_entry_lfn_invalid(directoryEntry) )
;
// Normal Entry, only 8.3 Text
else
#endif
if (fatfs_entry_sfn_only(directoryEntry) )
{
if (strncmp((const char *)directoryEntry->Name, shortname, 11)==0)
{
// Mark as deleted
directoryEntry->Name[0] = FILE_HEADER_DELETED;
#if FATFS_INC_TIME_DATE_SUPPORT
// Update access / modify time & date
fatfs_update_timestamps(directoryEntry, 0, 1, 1);
#endif
// Update sfn entry
memcpy((uint8*)(fs->currentsector.sector+recordoffset), (uint8*)directoryEntry, sizeof(struct fat_dir_entry));
// Write sector back
return fs->disk_io.write_media(fs->currentsector.address, fs->currentsector.sector, 1);
}
}
} // End of if
}
else
break;
} // End of while loop
return 0;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_list_directory_start: Initialise a directory listing procedure
//-----------------------------------------------------------------------------
#if FATFS_DIR_LIST_SUPPORT
void fatfs_list_directory_start(struct fatfs *fs, struct fs_dir_list_status *dirls, uint32 StartCluster)
{
dirls->cluster = StartCluster;
dirls->sector = 0;
dirls->offset = 0;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_list_directory_next: Get the next entry in the directory.
// Returns: 1 = found, 0 = end of listing
//-----------------------------------------------------------------------------
#if FATFS_DIR_LIST_SUPPORT
int fatfs_list_directory_next(struct fatfs *fs, struct fs_dir_list_status *dirls, struct fs_dir_ent *entry)
{
uint8 i,item;
uint16 recordoffset;
struct fat_dir_entry *directoryEntry;
char *long_filename = NULL;
char short_filename[13];
struct lfn_cache lfn;
int dotRequired = 0;
int result = 0;
// Initialise LFN cache first
fatfs_lfn_cache_init(&lfn, 0);
while (1)
{
// If data read OK
if (fatfs_sector_reader(fs, dirls->cluster, dirls->sector, 0))
{
// Maximum of 16 directory entries
for (item = dirls->offset; item < FAT_DIR_ENTRIES_PER_SECTOR; item++)
{
// Increase directory offset
recordoffset = FAT_DIR_ENTRY_SIZE * item;
// Overlay directory entry over buffer
directoryEntry = (struct fat_dir_entry*)(fs->currentsector.sector+recordoffset);
#if FATFS_INC_LFN_SUPPORT
// Long File Name Text Found
if ( fatfs_entry_lfn_text(directoryEntry) )
fatfs_lfn_cache_entry(&lfn, fs->currentsector.sector+recordoffset);
// If Invalid record found delete any long file name information collated
else if ( fatfs_entry_lfn_invalid(directoryEntry) )
fatfs_lfn_cache_init(&lfn, 0);
// Normal SFN Entry and Long text exists
else if (fatfs_entry_lfn_exists(&lfn, directoryEntry) )
{
// Get text
long_filename = fatfs_lfn_cache_get(&lfn);
#if defined(_MSC_VER) || defined(WIN32)
strcpy_s(entry->filename, FATFS_MAX_LONG_FILENAME - 1, long_filename);
#else
strncpy(entry->filename, long_filename, FATFS_MAX_LONG_FILENAME - 1);
#endif
if (fatfs_entry_is_dir(directoryEntry))
entry->is_dir = 1;
else
entry->is_dir = 0;
#if FATFS_INC_TIME_DATE_SUPPORT
// Get time / dates
entry->create_time = ((uint16)directoryEntry->CrtTime[1] << 8) | directoryEntry->CrtTime[0];
entry->create_date = ((uint16)directoryEntry->CrtDate[1] << 8) | directoryEntry->CrtDate[0];
entry->access_date = ((uint16)directoryEntry->LstAccDate[1] << 8) | directoryEntry->LstAccDate[0];
entry->write_time = ((uint16)directoryEntry->WrtTime[1] << 8) | directoryEntry->WrtTime[0];
entry->write_date = ((uint16)directoryEntry->WrtDate[1] << 8) | directoryEntry->WrtDate[0];
#endif
entry->size = FAT_HTONL(directoryEntry->FileSize);
entry->cluster = (FAT_HTONS(directoryEntry->FstClusHI)<<16) | FAT_HTONS(directoryEntry->FstClusLO);
// Next starting position
dirls->offset = item + 1;
result = 1;
return 1;
}
// Normal Entry, only 8.3 Text
else
#endif
if ( fatfs_entry_sfn_only(directoryEntry) )
{
fatfs_lfn_cache_init(&lfn, 0);
memset(short_filename, 0, sizeof(short_filename));
// Copy name to string
for (i=0; i<8; i++)
short_filename[i] = directoryEntry->Name[i];
// Extension
dotRequired = 0;
for (i=8; i<11; i++)
{
short_filename[i+1] = directoryEntry->Name[i];
if (directoryEntry->Name[i] != ' ')
dotRequired = 1;
}
// Dot only required if extension present
if (dotRequired)
{
// If not . or .. entry
if (short_filename[0]!='.')
short_filename[8] = '.';
else
short_filename[8] = ' ';
}
else
short_filename[8] = ' ';
fatfs_get_sfn_display_name(entry->filename, short_filename);
if (fatfs_entry_is_dir(directoryEntry))
entry->is_dir = 1;
else
entry->is_dir = 0;
#if FATFS_INC_TIME_DATE_SUPPORT
// Get time / dates
entry->create_time = ((uint16)directoryEntry->CrtTime[1] << 8) | directoryEntry->CrtTime[0];
entry->create_date = ((uint16)directoryEntry->CrtDate[1] << 8) | directoryEntry->CrtDate[0];
entry->access_date = ((uint16)directoryEntry->LstAccDate[1] << 8) | directoryEntry->LstAccDate[0];
entry->write_time = ((uint16)directoryEntry->WrtTime[1] << 8) | directoryEntry->WrtTime[0];
entry->write_date = ((uint16)directoryEntry->WrtDate[1] << 8) | directoryEntry->WrtDate[0];
#endif
entry->size = FAT_HTONL(directoryEntry->FileSize);
entry->cluster = (FAT_HTONS(directoryEntry->FstClusHI)<<16) | FAT_HTONS(directoryEntry->FstClusLO);
// Next starting position
dirls->offset = item + 1;
result = 1;
return 1;
}
}// end of for
// If reached end of the dir move onto next sector
dirls->sector++;
dirls->offset = 0;
}
else
break;
}
return result;
}
#endif

133
Plugson/src/Lib/fat_io_lib/fat_access.h
Unescape Escape View File

@ -0,0 +1,133 @@
#ifndef __FAT_ACCESS_H__
#define __FAT_ACCESS_H__
#include "fat_defs.h"
#include "fat_opts.h"
//-----------------------------------------------------------------------------
// Defines
//-----------------------------------------------------------------------------
#define FAT_INIT_OK 0
#define FAT_INIT_MEDIA_ACCESS_ERROR (-1)
#define FAT_INIT_INVALID_SECTOR_SIZE (-2)
#define FAT_INIT_INVALID_SIGNATURE (-3)
#define FAT_INIT_ENDIAN_ERROR (-4)
#define FAT_INIT_WRONG_FILESYS_TYPE (-5)
#define FAT_INIT_WRONG_PARTITION_TYPE (-6)
#define FAT_INIT_STRUCT_PACKING (-7)
#define FAT_DIR_ENTRIES_PER_SECTOR (FAT_SECTOR_SIZE / FAT_DIR_ENTRY_SIZE)
//-----------------------------------------------------------------------------
// Function Pointers
//-----------------------------------------------------------------------------
typedef int (*fn_diskio_read) (uint32 sector, uint8 *buffer, uint32 sector_count);
typedef int (*fn_diskio_write)(uint32 sector, uint8 *buffer, uint32 sector_count);
//-----------------------------------------------------------------------------
// Structures
//-----------------------------------------------------------------------------
struct disk_if
{
// User supplied function pointers for disk IO
fn_diskio_read read_media;
fn_diskio_write write_media;
};
// Forward declaration
struct fat_buffer;
struct fat_buffer
{
uint8 sector[FAT_SECTOR_SIZE * FAT_BUFFER_SECTORS];
uint32 address;
int dirty;
uint8 * ptr;
// Next in chain of sector buffers
struct fat_buffer *next;
};
typedef enum eFatType
{
FAT_TYPE_16,
FAT_TYPE_32
} tFatType;
struct fatfs
{
// Filesystem globals
uint8 sectors_per_cluster;
uint32 cluster_begin_lba;
uint32 rootdir_first_cluster;
uint32 rootdir_first_sector;
uint32 rootdir_sectors;
uint32 fat_begin_lba;
uint16 fs_info_sector;
uint32 lba_begin;
uint32 fat_sectors;
uint32 next_free_cluster;
uint16 root_entry_count;
uint16 reserved_sectors;
uint8 num_of_fats;
tFatType fat_type;
// Disk/Media API
struct disk_if disk_io;
// [Optional] Thread Safety
void (*fl_lock)(void);
void (*fl_unlock)(void);
// Working buffer
struct fat_buffer currentsector;
// FAT Buffer
struct fat_buffer *fat_buffer_head;
struct fat_buffer fat_buffers[FAT_BUFFERS];
};
struct fs_dir_list_status
{
uint32 sector;
uint32 cluster;
uint8 offset;
};
struct fs_dir_ent
{
char filename[FATFS_MAX_LONG_FILENAME];
uint8 is_dir;
uint32 cluster;
uint32 size;
#if FATFS_INC_TIME_DATE_SUPPORT
uint16 access_date;
uint16 write_time;
uint16 write_date;
uint16 create_date;
uint16 create_time;
#endif
};
//-----------------------------------------------------------------------------
// Prototypes
//-----------------------------------------------------------------------------
int fatfs_init(struct fatfs *fs);
uint32 fatfs_lba_of_cluster(struct fatfs *fs, uint32 Cluster_Number);
int fatfs_sector_reader(struct fatfs *fs, uint32 Startcluster, uint32 offset, uint8 *target);
int fatfs_sector_read(struct fatfs *fs, uint32 lba, uint8 *target, uint32 count);
int fatfs_sector_write(struct fatfs *fs, uint32 lba, uint8 *target, uint32 count);
int fatfs_read_sector(struct fatfs *fs, uint32 cluster, uint32 sector, uint8 *target);
int fatfs_write_sector(struct fatfs *fs, uint32 cluster, uint32 sector, uint8 *target);
void fatfs_show_details(struct fatfs *fs);
uint32 fatfs_get_root_cluster(struct fatfs *fs);
uint32 fatfs_get_file_entry(struct fatfs *fs, uint32 Cluster, char *nametofind, struct fat_dir_entry *sfEntry);
int fatfs_sfn_exists(struct fatfs *fs, uint32 Cluster, char *shortname);
int fatfs_update_file_length(struct fatfs *fs, uint32 Cluster, char *shortname, uint32 fileLength);
int fatfs_mark_file_deleted(struct fatfs *fs, uint32 Cluster, char *shortname);
void fatfs_list_directory_start(struct fatfs *fs, struct fs_dir_list_status *dirls, uint32 StartCluster);
int fatfs_list_directory_next(struct fatfs *fs, struct fs_dir_list_status *dirls, struct fs_dir_ent *entry);
int fatfs_update_timestamps(struct fat_dir_entry *directoryEntry, int create, int modify, int access);
#endif

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//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// FAT16/32 File IO Library
// V2.6
// Ultra-Embedded.com
// Copyright 2003 - 2012
//
// Email: admin@ultra-embedded.com
//
// License: GPL
// If you would like a version with a more permissive license for use in
// closed source commercial applications please contact me for details.
//-----------------------------------------------------------------------------
//
// This file is part of FAT File IO Library.
//
// FAT File IO Library is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// FAT File IO Library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FAT File IO Library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#include <string.h>
#include "fat_cache.h"
// Per file cluster chain caching used to improve performance.
// This does not have to be enabled for architectures with low
// memory space.
//-----------------------------------------------------------------------------
// fatfs_cache_init:
//-----------------------------------------------------------------------------
int fatfs_cache_init(struct fatfs *fs, FL_FILE *file)
{
#ifdef FAT_CLUSTER_CACHE_ENTRIES
int i;
for (i=0;i<FAT_CLUSTER_CACHE_ENTRIES;i++)
{
file->cluster_cache_idx[i] = 0xFFFFFFFF; // Not used
file->cluster_cache_data[i] = 0;
}
#endif
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_cache_get_next_cluster:
//-----------------------------------------------------------------------------
int fatfs_cache_get_next_cluster(struct fatfs *fs, FL_FILE *file, uint32 clusterIdx, uint32 *pNextCluster)
{
#ifdef FAT_CLUSTER_CACHE_ENTRIES
uint32 slot = clusterIdx % FAT_CLUSTER_CACHE_ENTRIES;
if (file->cluster_cache_idx[slot] == clusterIdx)
{
*pNextCluster = file->cluster_cache_data[slot];
return 1;
}
#endif
return 0;
}
//-----------------------------------------------------------------------------
// fatfs_cache_set_next_cluster:
//-----------------------------------------------------------------------------
int fatfs_cache_set_next_cluster(struct fatfs *fs, FL_FILE *file, uint32 clusterIdx, uint32 nextCluster)
{
#ifdef FAT_CLUSTER_CACHE_ENTRIES
uint32 slot = clusterIdx % FAT_CLUSTER_CACHE_ENTRIES;
if (file->cluster_cache_idx[slot] == clusterIdx)
file->cluster_cache_data[slot] = nextCluster;
else
{
file->cluster_cache_idx[slot] = clusterIdx;
file->cluster_cache_data[slot] = nextCluster;
}
#endif
return 1;
}

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Plugson/src/Lib/fat_io_lib/fat_cache.h
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#ifndef __FAT_CACHE_H__
#define __FAT_CACHE_H__
#include "fat_filelib.h"
//-----------------------------------------------------------------------------
// Prototypes
//-----------------------------------------------------------------------------
int fatfs_cache_init(struct fatfs *fs, FL_FILE *file);
int fatfs_cache_get_next_cluster(struct fatfs *fs, FL_FILE *file, uint32 clusterIdx, uint32 *pNextCluster);
int fatfs_cache_set_next_cluster(struct fatfs *fs, FL_FILE *file, uint32 clusterIdx, uint32 nextCluster);
#endif

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#ifndef __FAT_DEFS_H__
#define __FAT_DEFS_H__
#include "fat_opts.h"
#include "fat_types.h"
//-----------------------------------------------------------------------------
// FAT32 Offsets
// Name Offset
//-----------------------------------------------------------------------------
// Boot Sector
#define BS_JMPBOOT 0 // Length = 3
#define BS_OEMNAME 3 // Length = 8
#define BPB_BYTSPERSEC 11 // Length = 2
#define BPB_SECPERCLUS 13 // Length = 1
#define BPB_RSVDSECCNT 14 // Length = 2
#define BPB_NUMFATS 16 // Length = 1
#define BPB_ROOTENTCNT 17 // Length = 2
#define BPB_TOTSEC16 19 // Length = 2
#define BPB_MEDIA 21 // Length = 1
#define BPB_FATSZ16 22 // Length = 2
#define BPB_SECPERTRK 24 // Length = 2
#define BPB_NUMHEADS 26 // Length = 2
#define BPB_HIDDSEC 28 // Length = 4
#define BPB_TOTSEC32 32 // Length = 4
// FAT 12/16
#define BS_FAT_DRVNUM 36 // Length = 1
#define BS_FAT_BOOTSIG 38 // Length = 1
#define BS_FAT_VOLID 39 // Length = 4
#define BS_FAT_VOLLAB 43 // Length = 11
#define BS_FAT_FILSYSTYPE 54 // Length = 8
// FAT 32
#define BPB_FAT32_FATSZ32 36 // Length = 4
#define BPB_FAT32_EXTFLAGS 40 // Length = 2
#define BPB_FAT32_FSVER 42 // Length = 2
#define BPB_FAT32_ROOTCLUS 44 // Length = 4
#define BPB_FAT32_FSINFO 48 // Length = 2
#define BPB_FAT32_BKBOOTSEC 50 // Length = 2
#define BS_FAT32_DRVNUM 64 // Length = 1
#define BS_FAT32_BOOTSIG 66 // Length = 1
#define BS_FAT32_VOLID 67 // Length = 4
#define BS_FAT32_VOLLAB 71 // Length = 11
#define BS_FAT32_FILSYSTYPE 82 // Length = 8
//-----------------------------------------------------------------------------
// FAT Types
//-----------------------------------------------------------------------------
#define FAT_TYPE_FAT12 1
#define FAT_TYPE_FAT16 2
#define FAT_TYPE_FAT32 3
//-----------------------------------------------------------------------------
// FAT32 Specific Statics
//-----------------------------------------------------------------------------
#define SIGNATURE_POSITION 510
#define SIGNATURE_VALUE 0xAA55
#define PARTITION1_TYPECODE_LOCATION 450
#define FAT32_TYPECODE1 0x0B
#define FAT32_TYPECODE2 0x0C
#define PARTITION1_LBA_BEGIN_LOCATION 454
#define PARTITION1_SIZE_LOCATION 458
#define FAT_DIR_ENTRY_SIZE 32
#define FAT_SFN_SIZE_FULL 11
#define FAT_SFN_SIZE_PARTIAL 8
//-----------------------------------------------------------------------------
// FAT32 File Attributes and Types
//-----------------------------------------------------------------------------
#define FILE_ATTR_READ_ONLY 0x01
#define FILE_ATTR_HIDDEN 0x02
#define FILE_ATTR_SYSTEM 0x04
#define FILE_ATTR_SYSHID 0x06
#define FILE_ATTR_VOLUME_ID 0x08
#define FILE_ATTR_DIRECTORY 0x10
#define FILE_ATTR_ARCHIVE 0x20
#define FILE_ATTR_LFN_TEXT 0x0F
#define FILE_HEADER_BLANK 0x00
#define FILE_HEADER_DELETED 0xE5
#define FILE_TYPE_DIR 0x10
#define FILE_TYPE_FILE 0x20
//-----------------------------------------------------------------------------
// Time / Date details
//-----------------------------------------------------------------------------
#define FAT_TIME_HOURS_SHIFT 11
#define FAT_TIME_HOURS_MASK 0x1F
#define FAT_TIME_MINUTES_SHIFT 5
#define FAT_TIME_MINUTES_MASK 0x3F
#define FAT_TIME_SECONDS_SHIFT 0
#define FAT_TIME_SECONDS_MASK 0x1F
#define FAT_TIME_SECONDS_SCALE 2
#define FAT_DATE_YEAR_SHIFT 9
#define FAT_DATE_YEAR_MASK 0x7F
#define FAT_DATE_MONTH_SHIFT 5
#define FAT_DATE_MONTH_MASK 0xF
#define FAT_DATE_DAY_SHIFT 0
#define FAT_DATE_DAY_MASK 0x1F
#define FAT_DATE_YEAR_OFFSET 1980
//-----------------------------------------------------------------------------
// Other Defines
//-----------------------------------------------------------------------------
#define FAT32_LAST_CLUSTER 0xFFFFFFFF
#define FAT32_INVALID_CLUSTER 0xFFFFFFFF
STRUCT_PACK_BEGIN
struct fat_dir_entry STRUCT_PACK
{
uint8 Name[11];
uint8 Attr;
uint8 NTRes;
uint8 CrtTimeTenth;
uint8 CrtTime[2];
uint8 CrtDate[2];
uint8 LstAccDate[2];
uint16 FstClusHI;
uint8 WrtTime[2];
uint8 WrtDate[2];
uint16 FstClusLO;
uint32 FileSize;
} STRUCT_PACKED;
STRUCT_PACK_END
#endif

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Plugson/src/Lib/fat_io_lib/fat_filelib.h
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#ifndef __FAT_FILELIB_H__
#define __FAT_FILELIB_H__
#include "fat_opts.h"
#include "fat_access.h"
#include "fat_list.h"
//-----------------------------------------------------------------------------
// Defines
//-----------------------------------------------------------------------------
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif
#ifndef SEEK_END
#define SEEK_END 2
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#endif
#ifndef EOF
#define EOF (-1)
#endif
//-----------------------------------------------------------------------------
// Structures
//-----------------------------------------------------------------------------
struct sFL_FILE;
struct cluster_lookup
{
uint32 ClusterIdx;
uint32 CurrentCluster;
};
typedef struct sFL_FILE
{
uint32 parentcluster;
uint32 startcluster;
uint32 bytenum;
uint32 filelength;
int filelength_changed;
char path[FATFS_MAX_LONG_FILENAME];
char filename[FATFS_MAX_LONG_FILENAME];
uint8 shortfilename[11];
#ifdef FAT_CLUSTER_CACHE_ENTRIES
uint32 cluster_cache_idx[FAT_CLUSTER_CACHE_ENTRIES];
uint32 cluster_cache_data[FAT_CLUSTER_CACHE_ENTRIES];
#endif
// Cluster Lookup
struct cluster_lookup last_fat_lookup;
// Read/Write sector buffer
uint8 file_data_sector[FAT_SECTOR_SIZE];
uint32 file_data_address;
int file_data_dirty;
// File fopen flags
uint8 flags;
#define FILE_READ (1 << 0)
#define FILE_WRITE (1 << 1)
#define FILE_APPEND (1 << 2)
#define FILE_BINARY (1 << 3)
#define FILE_ERASE (1 << 4)
#define FILE_CREATE (1 << 5)
struct fat_node list_node;
} FL_FILE;
//-----------------------------------------------------------------------------
// Prototypes
//-----------------------------------------------------------------------------
// External
void fl_init(void);
void fl_attach_locks(void (*lock)(void), void (*unlock)(void));
int fl_attach_media(fn_diskio_read rd, fn_diskio_write wr);
void fl_shutdown(void);
// Standard API
void* fl_fopen(const char *path, const char *modifiers);
void fl_fclose(void *file);
int fl_fflush(void *file);
int fl_fgetc(void *file);
char * fl_fgets(char *s, int n, void *f);
int fl_fputc(int c, void *file);
int fl_fputs(const char * str, void *file);
int fl_fwrite(const void * data, int size, int count, void *file );
int fl_fread(void * data, int size, int count, void *file );
int fl_fseek(void *file , long offset , int origin );
int fl_fgetpos(void *file , uint32 * position);
long fl_ftell(void *f);
int fl_feof(void *f);
int fl_remove(const char * filename);
// Equivelant dirent.h
typedef struct fs_dir_list_status FL_DIR;
typedef struct fs_dir_ent fl_dirent;
FL_DIR* fl_opendir(const char* path, FL_DIR *dir);
int fl_readdir(FL_DIR *dirls, fl_dirent *entry);
int fl_closedir(FL_DIR* dir);
// Extensions
void fl_listdirectory(const char *path);
int fl_createdirectory(const char *path);
int fl_is_dir(const char *path);
int fl_format(uint32 volume_sectors, const char *name);
// Test hooks
#ifdef FATFS_INC_TEST_HOOKS
struct fatfs* fl_get_fs(void);
#endif
//-----------------------------------------------------------------------------
// Stdio file I/O names
//-----------------------------------------------------------------------------
#ifdef USE_FILELIB_STDIO_COMPAT_NAMES
#define FILE FL_FILE
#define fopen(a,b) fl_fopen(a, b)
#define fclose(a) fl_fclose(a)
#define fflush(a) fl_fflush(a)
#define fgetc(a) fl_fgetc(a)
#define fgets(a,b,c) fl_fgets(a, b, c)
#define fputc(a,b) fl_fputc(a, b)
#define fputs(a,b) fl_fputs(a, b)
#define fwrite(a,b,c,d) fl_fwrite(a, b, c, d)
#define fread(a,b,c,d) fl_fread(a, b, c, d)
#define fseek(a,b,c) fl_fseek(a, b, c)
#define fgetpos(a,b) fl_fgetpos(a, b)
#define ftell(a) fl_ftell(a)
#define feof(a) fl_feof(a)
#define remove(a) fl_remove(a)
#define mkdir(a) fl_createdirectory(a)
#define rmdir(a) 0
#endif
#endif

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//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// FAT16/32 File IO Library
// V2.6
// Ultra-Embedded.com
// Copyright 2003 - 2012
//
// Email: admin@ultra-embedded.com
//
// License: GPL
// If you would like a version with a more permissive license for use in
// closed source commercial applications please contact me for details.
//-----------------------------------------------------------------------------
//
// This file is part of FAT File IO Library.
//
// FAT File IO Library is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// FAT File IO Library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FAT File IO Library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#include <string.h>
#include "fat_defs.h"
#include "fat_access.h"
#include "fat_table.h"
#include "fat_write.h"
#include "fat_string.h"
#include "fat_misc.h"
#include "fat_format.h"
#if FATFS_INC_FORMAT_SUPPORT
//-----------------------------------------------------------------------------
// Tables
//-----------------------------------------------------------------------------
struct sec_per_clus_table
{
uint32 sectors;
uint8 sectors_per_cluster;
};
struct sec_per_clus_table _cluster_size_table16[] =
{
{ 32680, 2}, // 16MB - 1K
{ 262144, 4}, // 128MB - 2K
{ 524288, 8}, // 256MB - 4K
{ 1048576, 16}, // 512MB - 8K
{ 2097152, 32}, // 1GB - 16K
{ 4194304, 64}, // 2GB - 32K
{ 8388608, 128},// 2GB - 64K [Warning only supported by Windows XP onwards]
{ 0 , 0 } // Invalid
};
struct sec_per_clus_table _cluster_size_table32[] =
{
{ 532480, 1}, // 260MB - 512b
{ 16777216, 8}, // 8GB - 4K
{ 33554432, 16}, // 16GB - 8K
{ 67108864, 32}, // 32GB - 16K
{ 0xFFFFFFFF, 64},// >32GB - 32K
{ 0 , 0 } // Invalid
};
//-----------------------------------------------------------------------------
// fatfs_calc_cluster_size: Calculate what cluster size should be used
//-----------------------------------------------------------------------------
static uint8 fatfs_calc_cluster_size(uint32 sectors, int is_fat32)
{
int i;
if (!is_fat32)
{
for (i=0; _cluster_size_table16[i].sectors_per_cluster != 0;i++)
if (sectors <= _cluster_size_table16[i].sectors)
return _cluster_size_table16[i].sectors_per_cluster;
}
else
{
for (i=0; _cluster_size_table32[i].sectors_per_cluster != 0;i++)
if (sectors <= _cluster_size_table32[i].sectors)
return _cluster_size_table32[i].sectors_per_cluster;
}
return 0;
}
//-----------------------------------------------------------------------------
// fatfs_erase_sectors: Erase a number of sectors
//-----------------------------------------------------------------------------
static int fatfs_erase_sectors(struct fatfs *fs, uint32 lba, int count)
{
int i;
// Zero sector first
memset(fs->currentsector.sector, 0, FAT_SECTOR_SIZE);
for (i=0;i<count;i++)
if (!fs->disk_io.write_media(lba + i, fs->currentsector.sector, 1))
return 0;
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_create_boot_sector: Create the boot sector
//-----------------------------------------------------------------------------
static int fatfs_create_boot_sector(struct fatfs *fs, uint32 boot_sector_lba, uint32 vol_sectors, const char *name, int is_fat32)
{
uint32 total_clusters;
int i;
// Zero sector initially
memset(fs->currentsector.sector, 0, FAT_SECTOR_SIZE);
// OEM Name & Jump Code
fs->currentsector.sector[0] = 0xEB;
fs->currentsector.sector[1] = 0x3C;
fs->currentsector.sector[2] = 0x90;
fs->currentsector.sector[3] = 0x4D;
fs->currentsector.sector[4] = 0x53;
fs->currentsector.sector[5] = 0x44;
fs->currentsector.sector[6] = 0x4F;
fs->currentsector.sector[7] = 0x53;
fs->currentsector.sector[8] = 0x35;
fs->currentsector.sector[9] = 0x2E;
fs->currentsector.sector[10] = 0x30;
// Bytes per sector
fs->currentsector.sector[11] = (FAT_SECTOR_SIZE >> 0) & 0xFF;
fs->currentsector.sector[12] = (FAT_SECTOR_SIZE >> 8) & 0xFF;
// Get sectors per cluster size for the disk
fs->sectors_per_cluster = fatfs_calc_cluster_size(vol_sectors, is_fat32);
if (!fs->sectors_per_cluster)
return 0; // Invalid disk size
// Sectors per cluster
fs->currentsector.sector[13] = fs->sectors_per_cluster;
// Reserved Sectors
if (!is_fat32)
fs->reserved_sectors = 8;
else
fs->reserved_sectors = 32;
fs->currentsector.sector[14] = (fs->reserved_sectors >> 0) & 0xFF;
fs->currentsector.sector[15] = (fs->reserved_sectors >> 8) & 0xFF;
// Number of FATS
fs->num_of_fats = 2;
fs->currentsector.sector[16] = fs->num_of_fats;
// Max entries in root dir (FAT16 only)
if (!is_fat32)
{
fs->root_entry_count = 512;
fs->currentsector.sector[17] = (fs->root_entry_count >> 0) & 0xFF;
fs->currentsector.sector[18] = (fs->root_entry_count >> 8) & 0xFF;
}
else
{
fs->root_entry_count = 0;
fs->currentsector.sector[17] = 0;
fs->currentsector.sector[18] = 0;
}
// [FAT16] Total sectors (use FAT32 count instead)
fs->currentsector.sector[19] = 0x00;
fs->currentsector.sector[20] = 0x00;
// Media type
fs->currentsector.sector[21] = 0xF8;
// FAT16 BS Details
if (!is_fat32)
{
// Count of sectors used by the FAT table (FAT16 only)
total_clusters = (vol_sectors / fs->sectors_per_cluster) + 1;
fs->fat_sectors = (total_clusters/(FAT_SECTOR_SIZE/2)) + 1;
fs->currentsector.sector[22] = (uint8)((fs->fat_sectors >> 0) & 0xFF);
fs->currentsector.sector[23] = (uint8)((fs->fat_sectors >> 8) & 0xFF);
// Sectors per track
fs->currentsector.sector[24] = 0x00;
fs->currentsector.sector[25] = 0x00;
// Heads
fs->currentsector.sector[26] = 0x00;
fs->currentsector.sector[27] = 0x00;
// Hidden sectors
fs->currentsector.sector[28] = 0x20;
fs->currentsector.sector[29] = 0x00;
fs->currentsector.sector[30] = 0x00;
fs->currentsector.sector[31] = 0x00;
// Total sectors for this volume
fs->currentsector.sector[32] = (uint8)((vol_sectors>>0)&0xFF);
fs->currentsector.sector[33] = (uint8)((vol_sectors>>8)&0xFF);
fs->currentsector.sector[34] = (uint8)((vol_sectors>>16)&0xFF);
fs->currentsector.sector[35] = (uint8)((vol_sectors>>24)&0xFF);
// Drive number
fs->currentsector.sector[36] = 0x00;
// Reserved
fs->currentsector.sector[37] = 0x00;
// Boot signature
fs->currentsector.sector[38] = 0x29;
// Volume ID
fs->currentsector.sector[39] = 0x12;
fs->currentsector.sector[40] = 0x34;
fs->currentsector.sector[41] = 0x56;
fs->currentsector.sector[42] = 0x78;
// Volume name
for (i=0;i<11;i++)
{
if (i < (int)strlen(name))
fs->currentsector.sector[i+43] = name[i];
else
fs->currentsector.sector[i+43] = ' ';
}
// File sys type
fs->currentsector.sector[54] = 'F';
fs->currentsector.sector[55] = 'A';
fs->currentsector.sector[56] = 'T';
fs->currentsector.sector[57] = '1';
fs->currentsector.sector[58] = '6';
fs->currentsector.sector[59] = ' ';
fs->currentsector.sector[60] = ' ';
fs->currentsector.sector[61] = ' ';
// Signature
fs->currentsector.sector[510] = 0x55;
fs->currentsector.sector[511] = 0xAA;
}
// FAT32 BS Details
else
{
// Count of sectors used by the FAT table (FAT16 only)
fs->currentsector.sector[22] = 0;
fs->currentsector.sector[23] = 0;
// Sectors per track (default)
fs->currentsector.sector[24] = 0x3F;
fs->currentsector.sector[25] = 0x00;
// Heads (default)
fs->currentsector.sector[26] = 0xFF;
fs->currentsector.sector[27] = 0x00;
// Hidden sectors
fs->currentsector.sector[28] = 0x00;
fs->currentsector.sector[29] = 0x00;
fs->currentsector.sector[30] = 0x00;
fs->currentsector.sector[31] = 0x00;
// Total sectors for this volume
fs->currentsector.sector[32] = (uint8)((vol_sectors>>0)&0xFF);
fs->currentsector.sector[33] = (uint8)((vol_sectors>>8)&0xFF);
fs->currentsector.sector[34] = (uint8)((vol_sectors>>16)&0xFF);
fs->currentsector.sector[35] = (uint8)((vol_sectors>>24)&0xFF);
total_clusters = (vol_sectors / fs->sectors_per_cluster) + 1;
fs->fat_sectors = (total_clusters/(FAT_SECTOR_SIZE/4)) + 1;
// BPB_FATSz32
fs->currentsector.sector[36] = (uint8)((fs->fat_sectors>>0)&0xFF);
fs->currentsector.sector[37] = (uint8)((fs->fat_sectors>>8)&0xFF);
fs->currentsector.sector[38] = (uint8)((fs->fat_sectors>>16)&0xFF);
fs->currentsector.sector[39] = (uint8)((fs->fat_sectors>>24)&0xFF);
// BPB_ExtFlags
fs->currentsector.sector[40] = 0;
fs->currentsector.sector[41] = 0;
// BPB_FSVer
fs->currentsector.sector[42] = 0;
fs->currentsector.sector[43] = 0;
// BPB_RootClus
fs->currentsector.sector[44] = (uint8)((fs->rootdir_first_cluster>>0)&0xFF);
fs->currentsector.sector[45] = (uint8)((fs->rootdir_first_cluster>>8)&0xFF);
fs->currentsector.sector[46] = (uint8)((fs->rootdir_first_cluster>>16)&0xFF);
fs->currentsector.sector[47] = (uint8)((fs->rootdir_first_cluster>>24)&0xFF);
// BPB_FSInfo
fs->currentsector.sector[48] = (uint8)((fs->fs_info_sector>>0)&0xFF);
fs->currentsector.sector[49] = (uint8)((fs->fs_info_sector>>8)&0xFF);
// BPB_BkBootSec
fs->currentsector.sector[50] = 6;
fs->currentsector.sector[51] = 0;
// Drive number
fs->currentsector.sector[64] = 0x00;
// Boot signature
fs->currentsector.sector[66] = 0x29;
// Volume ID
fs->currentsector.sector[67] = 0x12;
fs->currentsector.sector[68] = 0x34;
fs->currentsector.sector[69] = 0x56;
fs->currentsector.sector[70] = 0x78;
// Volume name
for (i=0;i<11;i++)
{
if (i < (int)strlen(name))
fs->currentsector.sector[i+71] = name[i];
else
fs->currentsector.sector[i+71] = ' ';
}
// File sys type
fs->currentsector.sector[82] = 'F';
fs->currentsector.sector[83] = 'A';
fs->currentsector.sector[84] = 'T';
fs->currentsector.sector[85] = '3';
fs->currentsector.sector[86] = '2';
fs->currentsector.sector[87] = ' ';
fs->currentsector.sector[88] = ' ';
fs->currentsector.sector[89] = ' ';
// Signature
fs->currentsector.sector[510] = 0x55;
fs->currentsector.sector[511] = 0xAA;
}
if (fs->disk_io.write_media(boot_sector_lba, fs->currentsector.sector, 1))
return 1;
else
return 0;
}
//-----------------------------------------------------------------------------
// fatfs_create_fsinfo_sector: Create the FSInfo sector (FAT32)
//-----------------------------------------------------------------------------
static int fatfs_create_fsinfo_sector(struct fatfs *fs, uint32 sector_lba)
{
// Zero sector initially
memset(fs->currentsector.sector, 0, FAT_SECTOR_SIZE);
// FSI_LeadSig
fs->currentsector.sector[0] = 0x52;
fs->currentsector.sector[1] = 0x52;
fs->currentsector.sector[2] = 0x61;
fs->currentsector.sector[3] = 0x41;
// FSI_StrucSig
fs->currentsector.sector[484] = 0x72;
fs->currentsector.sector[485] = 0x72;
fs->currentsector.sector[486] = 0x41;
fs->currentsector.sector[487] = 0x61;
// FSI_Free_Count
fs->currentsector.sector[488] = 0xFF;
fs->currentsector.sector[489] = 0xFF;
fs->currentsector.sector[490] = 0xFF;
fs->currentsector.sector[491] = 0xFF;
// FSI_Nxt_Free
fs->currentsector.sector[492] = 0xFF;
fs->currentsector.sector[493] = 0xFF;
fs->currentsector.sector[494] = 0xFF;
fs->currentsector.sector[495] = 0xFF;
// Signature
fs->currentsector.sector[510] = 0x55;
fs->currentsector.sector[511] = 0xAA;
if (fs->disk_io.write_media(sector_lba, fs->currentsector.sector, 1))
return 1;
else
return 0;
}
//-----------------------------------------------------------------------------
// fatfs_erase_fat: Erase FAT table using fs details in fs struct
//-----------------------------------------------------------------------------
static int fatfs_erase_fat(struct fatfs *fs, int is_fat32)
{
uint32 i;
// Zero sector initially
memset(fs->currentsector.sector, 0, FAT_SECTOR_SIZE);
// Initialise default allocate / reserved clusters
if (!is_fat32)
{
SET_16BIT_WORD(fs->currentsector.sector, 0, 0xFFF8);
SET_16BIT_WORD(fs->currentsector.sector, 2, 0xFFFF);
}
else
{
SET_32BIT_WORD(fs->currentsector.sector, 0, 0x0FFFFFF8);
SET_32BIT_WORD(fs->currentsector.sector, 4, 0xFFFFFFFF);
SET_32BIT_WORD(fs->currentsector.sector, 8, 0x0FFFFFFF);
}
if (!fs->disk_io.write_media(fs->fat_begin_lba + 0, fs->currentsector.sector, 1))
return 0;
// Zero remaining FAT sectors
memset(fs->currentsector.sector, 0, FAT_SECTOR_SIZE);
for (i=1;i<fs->fat_sectors*fs->num_of_fats;i++)
if (!fs->disk_io.write_media(fs->fat_begin_lba + i, fs->currentsector.sector, 1))
return 0;
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_format_fat16: Format a FAT16 partition
//-----------------------------------------------------------------------------
int fatfs_format_fat16(struct fatfs *fs, uint32 volume_sectors, const char *name)
{
fs->currentsector.address = FAT32_INVALID_CLUSTER;
fs->currentsector.dirty = 0;
fs->next_free_cluster = 0; // Invalid
fatfs_fat_init(fs);
// Make sure we have read + write functions
if (!fs->disk_io.read_media || !fs->disk_io.write_media)
return FAT_INIT_MEDIA_ACCESS_ERROR;
// Volume is FAT16
fs->fat_type = FAT_TYPE_16;
// Not valid for FAT16
fs->fs_info_sector = 0;
fs->rootdir_first_cluster = 0;
// Sector 0: Boot sector
// NOTE: We don't need an MBR, it is a waste of a good sector!
fs->lba_begin = 0;
if (!fatfs_create_boot_sector(fs, fs->lba_begin, volume_sectors, name, 0))
return 0;
// For FAT16 (which this may be), rootdir_first_cluster is actuall rootdir_first_sector
fs->rootdir_first_sector = fs->reserved_sectors + (fs->num_of_fats * fs->fat_sectors);
fs->rootdir_sectors = ((fs->root_entry_count * 32) + (FAT_SECTOR_SIZE - 1)) / FAT_SECTOR_SIZE;
// First FAT LBA address
fs->fat_begin_lba = fs->lba_begin + fs->reserved_sectors;
// The address of the first data cluster on this volume
fs->cluster_begin_lba = fs->fat_begin_lba + (fs->num_of_fats * fs->fat_sectors);
// Initialise FAT sectors
if (!fatfs_erase_fat(fs, 0))
return 0;
// Erase Root directory
if (!fatfs_erase_sectors(fs, fs->lba_begin + fs->rootdir_first_sector, fs->rootdir_sectors))
return 0;
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_format_fat32: Format a FAT32 partition
//-----------------------------------------------------------------------------
int fatfs_format_fat32(struct fatfs *fs, uint32 volume_sectors, const char *name)
{
fs->currentsector.address = FAT32_INVALID_CLUSTER;
fs->currentsector.dirty = 0;
fs->next_free_cluster = 0; // Invalid
fatfs_fat_init(fs);
// Make sure we have read + write functions
if (!fs->disk_io.read_media || !fs->disk_io.write_media)
return FAT_INIT_MEDIA_ACCESS_ERROR;
// Volume is FAT32
fs->fat_type = FAT_TYPE_32;
// Basic defaults for normal FAT32 partitions
fs->fs_info_sector = 1;
fs->rootdir_first_cluster = 2;
// Sector 0: Boot sector
// NOTE: We don't need an MBR, it is a waste of a good sector!
fs->lba_begin = 0;
if (!fatfs_create_boot_sector(fs, fs->lba_begin, volume_sectors, name, 1))
return 0;
// First FAT LBA address
fs->fat_begin_lba = fs->lba_begin + fs->reserved_sectors;
// The address of the first data cluster on this volume
fs->cluster_begin_lba = fs->fat_begin_lba + (fs->num_of_fats * fs->fat_sectors);
// Initialise FSInfo sector
if (!fatfs_create_fsinfo_sector(fs, fs->fs_info_sector))
return 0;
// Initialise FAT sectors
if (!fatfs_erase_fat(fs, 1))
return 0;
// Erase Root directory
if (!fatfs_erase_sectors(fs, fatfs_lba_of_cluster(fs, fs->rootdir_first_cluster), fs->sectors_per_cluster))
return 0;
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_format: Format a partition with either FAT16 or FAT32 based on size
//-----------------------------------------------------------------------------
int fatfs_format(struct fatfs *fs, uint32 volume_sectors, const char *name)
{
// 2GB - 32K limit for safe behaviour for FAT16
if (volume_sectors <= 4194304)
return fatfs_format_fat16(fs, volume_sectors, name);
else
return fatfs_format_fat32(fs, volume_sectors, name);
}
#endif /*FATFS_INC_FORMAT_SUPPORT*/

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Plugson/src/Lib/fat_io_lib/fat_format.h
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#ifndef __FAT_FORMAT_H__
#define __FAT_FORMAT_H__
#include "fat_defs.h"
#include "fat_opts.h"
#include "fat_access.h"
//-----------------------------------------------------------------------------
// Prototypes
//-----------------------------------------------------------------------------
int fatfs_format(struct fatfs *fs, uint32 volume_sectors, const char *name);
int fatfs_format_fat16(struct fatfs *fs, uint32 volume_sectors, const char *name);
int fatfs_format_fat32(struct fatfs *fs, uint32 volume_sectors, const char *name);
#endif

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Plugson/src/Lib/fat_io_lib/fat_list.h
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#ifndef __FAT_LIST_H__
#define __FAT_LIST_H__
#ifndef FAT_ASSERT
#define FAT_ASSERT(x)
#endif
#ifndef FAT_INLINE
#define FAT_INLINE
#endif
//-----------------------------------------------------------------
// Types
//-----------------------------------------------------------------
struct fat_list;
struct fat_node
{
struct fat_node *previous;
struct fat_node *next;
};
struct fat_list
{
struct fat_node *head;
struct fat_node *tail;
};
//-----------------------------------------------------------------
// Macros
//-----------------------------------------------------------------
#define fat_list_entry(p, t, m) p ? ((t *)((char *)(p)-(char*)(&((t *)0)->m))) : 0
#define fat_list_next(l, p) (p)->next
#define fat_list_prev(l, p) (p)->previous
#define fat_list_first(l) (l)->head
#define fat_list_last(l) (l)->tail
#define fat_list_for_each(l, p) for ((p) = (l)->head; (p); (p) = (p)->next)
//-----------------------------------------------------------------
// Inline Functions
//-----------------------------------------------------------------
//-----------------------------------------------------------------
// fat_list_init:
//-----------------------------------------------------------------
static FAT_INLINE void fat_list_init(struct fat_list *list)
{
FAT_ASSERT(list);
list->head = list->tail = 0;
}
//-----------------------------------------------------------------
// fat_list_remove:
//-----------------------------------------------------------------
static FAT_INLINE void fat_list_remove(struct fat_list *list, struct fat_node *node)
{
FAT_ASSERT(list);
FAT_ASSERT(node);
if(!node->previous)
list->head = node->next;
else
node->previous->next = node->next;
if(!node->next)
list->tail = node->previous;
else
node->next->previous = node->previous;
}
//-----------------------------------------------------------------
// fat_list_insert_after:
//-----------------------------------------------------------------
static FAT_INLINE void fat_list_insert_after(struct fat_list *list, struct fat_node *node, struct fat_node *new_node)
{
FAT_ASSERT(list);
FAT_ASSERT(node);
FAT_ASSERT(new_node);
new_node->previous = node;
new_node->next = node->next;
if (!node->next)
list->tail = new_node;
else
node->next->previous = new_node;
node->next = new_node;
}
//-----------------------------------------------------------------
// fat_list_insert_before:
//-----------------------------------------------------------------
static FAT_INLINE void fat_list_insert_before(struct fat_list *list, struct fat_node *node, struct fat_node *new_node)
{
FAT_ASSERT(list);
FAT_ASSERT(node);
FAT_ASSERT(new_node);
new_node->previous = node->previous;
new_node->next = node;
if (!node->previous)
list->head = new_node;
else
node->previous->next = new_node;
node->previous = new_node;
}
//-----------------------------------------------------------------
// fat_list_insert_first:
//-----------------------------------------------------------------
static FAT_INLINE void fat_list_insert_first(struct fat_list *list, struct fat_node *node)
{
FAT_ASSERT(list);
FAT_ASSERT(node);
if (!list->head)
{
list->head = node;
list->tail = node;
node->previous = 0;
node->next = 0;
}
else
fat_list_insert_before(list, list->head, node);
}
//-----------------------------------------------------------------
// fat_list_insert_last:
//-----------------------------------------------------------------
static FAT_INLINE void fat_list_insert_last(struct fat_list *list, struct fat_node *node)
{
FAT_ASSERT(list);
FAT_ASSERT(node);
if (!list->tail)
fat_list_insert_first(list, node);
else
fat_list_insert_after(list, list->tail, node);
}
//-----------------------------------------------------------------
// fat_list_is_empty:
//-----------------------------------------------------------------
static FAT_INLINE int fat_list_is_empty(struct fat_list *list)
{
FAT_ASSERT(list);
return !list->head;
}
//-----------------------------------------------------------------
// fat_list_pop_head:
//-----------------------------------------------------------------
static FAT_INLINE struct fat_node * fat_list_pop_head(struct fat_list *list)
{
struct fat_node * node;
FAT_ASSERT(list);
node = fat_list_first(list);
if (node)
fat_list_remove(list, node);
return node;
}
#endif

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Plugson/src/Lib/fat_io_lib/fat_misc.c
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//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// FAT16/32 File IO Library
// V2.6
// Ultra-Embedded.com
// Copyright 2003 - 2012
//
// Email: admin@ultra-embedded.com
//
// License: GPL
// If you would like a version with a more permissive license for use in
// closed source commercial applications please contact me for details.
//-----------------------------------------------------------------------------
//
// This file is part of FAT File IO Library.
//
// FAT File IO Library is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// FAT File IO Library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FAT File IO Library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#include <stdlib.h>
#include <string.h>
#include "fat_misc.h"
//-----------------------------------------------------------------------------
// fatfs_lfn_cache_init: Clear long file name cache
//-----------------------------------------------------------------------------
void fatfs_lfn_cache_init(struct lfn_cache *lfn, int wipeTable)
{
int i = 0;
lfn->no_of_strings = 0;
#if FATFS_INC_LFN_SUPPORT
// Zero out buffer also
if (wipeTable)
for (i=0;i<MAX_LONGFILENAME_ENTRIES;i++)
memset(lfn->String[i], 0x00, MAX_LFN_ENTRY_LENGTH);
#endif
}
//-----------------------------------------------------------------------------
// fatfs_lfn_cache_entry - Function extracts long file name text from sector
// at a specific offset
//-----------------------------------------------------------------------------
#if FATFS_INC_LFN_SUPPORT
void fatfs_lfn_cache_entry(struct lfn_cache *lfn, uint8 *entryBuffer)
{
uint8 LFNIndex, i;
LFNIndex = entryBuffer[0] & 0x1F;
// Limit file name to cache size!
if (LFNIndex > MAX_LONGFILENAME_ENTRIES)
return ;
// This is an error condition
if (LFNIndex == 0)
return ;
if (lfn->no_of_strings == 0)
lfn->no_of_strings = LFNIndex;
lfn->String[LFNIndex-1][0] = entryBuffer[1];
lfn->String[LFNIndex-1][1] = entryBuffer[3];
lfn->String[LFNIndex-1][2] = entryBuffer[5];
lfn->String[LFNIndex-1][3] = entryBuffer[7];
lfn->String[LFNIndex-1][4] = entryBuffer[9];
lfn->String[LFNIndex-1][5] = entryBuffer[0x0E];
lfn->String[LFNIndex-1][6] = entryBuffer[0x10];
lfn->String[LFNIndex-1][7] = entryBuffer[0x12];
lfn->String[LFNIndex-1][8] = entryBuffer[0x14];
lfn->String[LFNIndex-1][9] = entryBuffer[0x16];
lfn->String[LFNIndex-1][10] = entryBuffer[0x18];
lfn->String[LFNIndex-1][11] = entryBuffer[0x1C];
lfn->String[LFNIndex-1][12] = entryBuffer[0x1E];
for (i=0; i<MAX_LFN_ENTRY_LENGTH; i++)
if (lfn->String[LFNIndex-1][i]==0xFF)
lfn->String[LFNIndex-1][i] = 0x20; // Replace with spaces
}
#endif
//-----------------------------------------------------------------------------
// fatfs_lfn_cache_get: Get a reference to the long filename
//-----------------------------------------------------------------------------
#if FATFS_INC_LFN_SUPPORT
char* fatfs_lfn_cache_get(struct lfn_cache *lfn)
{
// Null terminate long filename
if (lfn->no_of_strings == MAX_LONGFILENAME_ENTRIES)
lfn->Null = '\0';
else if (lfn->no_of_strings)
lfn->String[lfn->no_of_strings][0] = '\0';
else
lfn->String[0][0] = '\0';
return (char*)&lfn->String[0][0];
}
#endif
//-----------------------------------------------------------------------------
// fatfs_entry_lfn_text: If LFN text entry found
//-----------------------------------------------------------------------------
#if FATFS_INC_LFN_SUPPORT
int fatfs_entry_lfn_text(struct fat_dir_entry *entry)
{
if ((entry->Attr & FILE_ATTR_LFN_TEXT) == FILE_ATTR_LFN_TEXT)
return 1;
else
return 0;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_entry_lfn_invalid: If SFN found not relating to LFN
//-----------------------------------------------------------------------------
#if FATFS_INC_LFN_SUPPORT
int fatfs_entry_lfn_invalid(struct fat_dir_entry *entry)
{
if ( (entry->Name[0]==FILE_HEADER_BLANK) ||
(entry->Name[0]==FILE_HEADER_DELETED)||
(entry->Attr==FILE_ATTR_VOLUME_ID) ||
(entry->Attr & FILE_ATTR_SYSHID) )
return 1;
else
return 0;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_entry_lfn_exists: If LFN exists and correlation SFN found
//-----------------------------------------------------------------------------
#if FATFS_INC_LFN_SUPPORT
int fatfs_entry_lfn_exists(struct lfn_cache *lfn, struct fat_dir_entry *entry)
{
if ( (entry->Attr!=FILE_ATTR_LFN_TEXT) &&
(entry->Name[0]!=FILE_HEADER_BLANK) &&
(entry->Name[0]!=FILE_HEADER_DELETED) &&
(entry->Attr!=FILE_ATTR_VOLUME_ID) &&
(!(entry->Attr&FILE_ATTR_SYSHID)) &&
(lfn->no_of_strings) )
return 1;
else
return 0;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_entry_sfn_only: If SFN only exists
//-----------------------------------------------------------------------------
int fatfs_entry_sfn_only(struct fat_dir_entry *entry)
{
if ( (entry->Attr!=FILE_ATTR_LFN_TEXT) &&
(entry->Name[0]!=FILE_HEADER_BLANK) &&
(entry->Name[0]!=FILE_HEADER_DELETED) &&
(entry->Attr!=FILE_ATTR_VOLUME_ID) &&
(!(entry->Attr&FILE_ATTR_SYSHID)) )
return 1;
else
return 0;
}
// TODO: FILE_ATTR_SYSHID ?!?!??!
//-----------------------------------------------------------------------------
// fatfs_entry_is_dir: Returns 1 if a directory
//-----------------------------------------------------------------------------
int fatfs_entry_is_dir(struct fat_dir_entry *entry)
{
if (entry->Attr & FILE_TYPE_DIR)
return 1;
else
return 0;
}
//-----------------------------------------------------------------------------
// fatfs_entry_is_file: Returns 1 is a file entry
//-----------------------------------------------------------------------------
int fatfs_entry_is_file(struct fat_dir_entry *entry)
{
if (entry->Attr & FILE_TYPE_FILE)
return 1;
else
return 0;
}
//-----------------------------------------------------------------------------
// fatfs_lfn_entries_required: Calculate number of 13 characters entries
//-----------------------------------------------------------------------------
#if FATFS_INC_LFN_SUPPORT
int fatfs_lfn_entries_required(char *filename)
{
int length = (int)strlen(filename);
if (length)
return (length + MAX_LFN_ENTRY_LENGTH - 1) / MAX_LFN_ENTRY_LENGTH;
else
return 0;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_filename_to_lfn:
//-----------------------------------------------------------------------------
#if FATFS_INC_LFN_SUPPORT
void fatfs_filename_to_lfn(char *filename, uint8 *buffer, int entry, uint8 sfnChk)
{
int i;
int nameIndexes[MAX_LFN_ENTRY_LENGTH] = {1,3,5,7,9,0x0E,0x10,0x12,0x14,0x16,0x18,0x1C,0x1E};
// 13 characters entries
int length = (int)strlen(filename);
int entriesRequired = fatfs_lfn_entries_required(filename);
// Filename offset
int start = entry * MAX_LFN_ENTRY_LENGTH;
// Initialise to zeros
memset(buffer, 0x00, FAT_DIR_ENTRY_SIZE);
// LFN entry number
buffer[0] = (uint8)(((entriesRequired-1)==entry)?(0x40|(entry+1)):(entry+1));
// LFN flag
buffer[11] = 0x0F;
// Checksum of short filename
buffer[13] = sfnChk;
// Copy to buffer
for (i=0;i<MAX_LFN_ENTRY_LENGTH;i++)
{
if ( (start+i) < length )
buffer[nameIndexes[i]] = filename[start+i];
else if ( (start+i) == length )
buffer[nameIndexes[i]] = 0x00;
else
{
buffer[nameIndexes[i]] = 0xFF;
buffer[nameIndexes[i]+1] = 0xFF;
}
}
}
#endif
//-----------------------------------------------------------------------------
// fatfs_sfn_create_entry: Create the short filename directory entry
//-----------------------------------------------------------------------------
#if FATFS_INC_WRITE_SUPPORT
void fatfs_sfn_create_entry(char *shortfilename, uint32 size, uint32 startCluster, struct fat_dir_entry *entry, int dir)
{
int i;
// Copy short filename
for (i=0;i<FAT_SFN_SIZE_FULL;i++)
entry->Name[i] = shortfilename[i];
// Unless we have a RTC we might as well set these to 1980
entry->CrtTimeTenth = 0x00;
entry->CrtTime[1] = entry->CrtTime[0] = 0x00;
entry->CrtDate[1] = 0x00;
entry->CrtDate[0] = 0x20;
entry->LstAccDate[1] = 0x00;
entry->LstAccDate[0] = 0x20;
entry->WrtTime[1] = entry->WrtTime[0] = 0x00;
entry->WrtDate[1] = 0x00;
entry->WrtDate[0] = 0x20;
if (!dir)
entry->Attr = FILE_TYPE_FILE;
else
entry->Attr = FILE_TYPE_DIR;
entry->NTRes = 0x00;
entry->FstClusHI = FAT_HTONS((uint16)((startCluster>>16) & 0xFFFF));
entry->FstClusLO = FAT_HTONS((uint16)((startCluster>>0) & 0xFFFF));
entry->FileSize = FAT_HTONL(size);
}
#endif
//-----------------------------------------------------------------------------
// fatfs_lfn_create_sfn: Create a padded SFN
//-----------------------------------------------------------------------------
#if FATFS_INC_WRITE_SUPPORT
int fatfs_lfn_create_sfn(char *sfn_output, char *filename)
{
int i;
int dotPos = -1;
char ext[3];
int pos;
int len = (int)strlen(filename);
// Invalid to start with .
if (filename[0]=='.')
return 0;
memset(sfn_output, ' ', FAT_SFN_SIZE_FULL);
memset(ext, ' ', 3);
// Find dot seperator
for (i = 0; i< len; i++)
{
if (filename[i]=='.')
dotPos = i;
}
// Extract extensions
if (dotPos!=-1)
{
// Copy first three chars of extension
for (i = (dotPos+1); i < (dotPos+1+3); i++)
if (i<len)
ext[i-(dotPos+1)] = filename[i];
// Shorten the length to the dot position
len = dotPos;
}
// Add filename part
pos = 0;
for (i=0;i<len;i++)
{
if ( (filename[i]!=' ') && (filename[i]!='.') )
{
if (filename[i] >= 'a' && filename[i] <= 'z')
sfn_output[pos++] = filename[i] - 'a' + 'A';
else
sfn_output[pos++] = filename[i];
}
// Fill upto 8 characters
if (pos==FAT_SFN_SIZE_PARTIAL)
break;
}
// Add extension part
for (i=FAT_SFN_SIZE_PARTIAL;i<FAT_SFN_SIZE_FULL;i++)
{
if (ext[i-FAT_SFN_SIZE_PARTIAL] >= 'a' && ext[i-FAT_SFN_SIZE_PARTIAL] <= 'z')
sfn_output[i] = ext[i-FAT_SFN_SIZE_PARTIAL] - 'a' + 'A';
else
sfn_output[i] = ext[i-FAT_SFN_SIZE_PARTIAL];
}
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_itoa:
//-----------------------------------------------------------------------------
static void fatfs_itoa(uint32 num, char *s)
{
char* cp;
char outbuf[12];
const char digits[] = "0123456789ABCDEF";
// Build string backwards
cp = outbuf;
do
{
*cp++ = digits[(int)(num % 10)];
}
while ((num /= 10) > 0);
*cp-- = 0;
// Copy in forwards
while (cp >= outbuf)
*s++ = *cp--;
*s = 0;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_lfn_generate_tail:
// sfn_input = Input short filename, spaced format & in upper case
// sfn_output = Output short filename with tail
//-----------------------------------------------------------------------------
#if FATFS_INC_LFN_SUPPORT
#if FATFS_INC_WRITE_SUPPORT
int fatfs_lfn_generate_tail(char *sfn_output, char *sfn_input, uint32 tailNum)
{
int tail_chars;
char tail_str[12];
if (tailNum > 99999)
return 0;
// Convert to number
memset(tail_str, 0x00, sizeof(tail_str));
tail_str[0] = '~';
fatfs_itoa(tailNum, tail_str+1);
// Copy in base filename
memcpy(sfn_output, sfn_input, FAT_SFN_SIZE_FULL);
// Overwrite with tail
tail_chars = (int)strlen(tail_str);
memcpy(sfn_output+(FAT_SFN_SIZE_PARTIAL-tail_chars), tail_str, tail_chars);
return 1;
}
#endif
#endif
//-----------------------------------------------------------------------------
// fatfs_convert_from_fat_time: Convert FAT time to h/m/s
//-----------------------------------------------------------------------------
#if FATFS_INC_TIME_DATE_SUPPORT
void fatfs_convert_from_fat_time(uint16 fat_time, int *hours, int *minutes, int *seconds)
{
*hours = (fat_time >> FAT_TIME_HOURS_SHIFT) & FAT_TIME_HOURS_MASK;
*minutes = (fat_time >> FAT_TIME_MINUTES_SHIFT) & FAT_TIME_MINUTES_MASK;
*seconds = (fat_time >> FAT_TIME_SECONDS_SHIFT) & FAT_TIME_SECONDS_MASK;
*seconds = *seconds * FAT_TIME_SECONDS_SCALE;
}
//-----------------------------------------------------------------------------
// fatfs_convert_from_fat_date: Convert FAT date to d/m/y
//-----------------------------------------------------------------------------
void fatfs_convert_from_fat_date(uint16 fat_date, int *day, int *month, int *year)
{
*day = (fat_date >> FAT_DATE_DAY_SHIFT) & FAT_DATE_DAY_MASK;
*month = (fat_date >> FAT_DATE_MONTH_SHIFT) & FAT_DATE_MONTH_MASK;
*year = (fat_date >> FAT_DATE_YEAR_SHIFT) & FAT_DATE_YEAR_MASK;
*year = *year + FAT_DATE_YEAR_OFFSET;
}
//-----------------------------------------------------------------------------
// fatfs_convert_to_fat_time: Convert h/m/s to FAT time
//-----------------------------------------------------------------------------
uint16 fatfs_convert_to_fat_time(int hours, int minutes, int seconds)
{
uint16 fat_time = 0;
// Most FAT times are to a resolution of 2 seconds
seconds /= FAT_TIME_SECONDS_SCALE;
fat_time = (hours & FAT_TIME_HOURS_MASK) << FAT_TIME_HOURS_SHIFT;
fat_time|= (minutes & FAT_TIME_MINUTES_MASK) << FAT_TIME_MINUTES_SHIFT;
fat_time|= (seconds & FAT_TIME_SECONDS_MASK) << FAT_TIME_SECONDS_SHIFT;
return fat_time;
}
//-----------------------------------------------------------------------------
// fatfs_convert_to_fat_date: Convert d/m/y to FAT date
//-----------------------------------------------------------------------------
uint16 fatfs_convert_to_fat_date(int day, int month, int year)
{
uint16 fat_date = 0;
// FAT dates are relative to 1980
if (year >= FAT_DATE_YEAR_OFFSET)
year -= FAT_DATE_YEAR_OFFSET;
fat_date = (day & FAT_DATE_DAY_MASK) << FAT_DATE_DAY_SHIFT;
fat_date|= (month & FAT_DATE_MONTH_MASK) << FAT_DATE_MONTH_SHIFT;
fat_date|= (year & FAT_DATE_YEAR_MASK) << FAT_DATE_YEAR_SHIFT;
return fat_date;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_print_sector:
//-----------------------------------------------------------------------------
#ifdef FATFS_DEBUG
void fatfs_print_sector(uint32 sector, uint8 *data)
{
int i;
int j;
FAT_PRINTF(("Sector %d:\n", sector));
for (i=0;i<FAT_SECTOR_SIZE;i++)
{
if (!((i) % 16))
{
FAT_PRINTF((" %04d: ", i));
}
FAT_PRINTF(("%02x", data[i]));
if (!((i+1) % 4))
{
FAT_PRINTF((" "));
}
if (!((i+1) % 16))
{
FAT_PRINTF((" "));
for (j=0;j<16;j++)
{
char ch = data[i-15+j];
// Is printable?
if (ch > 31 && ch < 127)
{
FAT_PRINTF(("%c", ch));
}
else
{
FAT_PRINTF(("."));
}
}
FAT_PRINTF(("\n"));
}
}
}
#endif

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Plugson/src/Lib/fat_io_lib/fat_misc.h
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#ifndef __FAT_MISC_H__
#define __FAT_MISC_H__
#include "fat_defs.h"
#include "fat_opts.h"
//-----------------------------------------------------------------------------
// Defines
//-----------------------------------------------------------------------------
#define MAX_LONGFILENAME_ENTRIES 20
#define MAX_LFN_ENTRY_LENGTH 13
//-----------------------------------------------------------------------------
// Macros
//-----------------------------------------------------------------------------
#define GET_32BIT_WORD(buffer, location) ( ((uint32)buffer[location+3]<<24) + ((uint32)buffer[location+2]<<16) + ((uint32)buffer[location+1]<<8) + (uint32)buffer[location+0] )
#define GET_16BIT_WORD(buffer, location) ( ((uint16)buffer[location+1]<<8) + (uint16)buffer[location+0] )
#define SET_32BIT_WORD(buffer, location, value) { buffer[location+0] = (uint8)((value)&0xFF); \
buffer[location+1] = (uint8)((value>>8)&0xFF); \
buffer[location+2] = (uint8)((value>>16)&0xFF); \
buffer[location+3] = (uint8)((value>>24)&0xFF); }
#define SET_16BIT_WORD(buffer, location, value) { buffer[location+0] = (uint8)((value)&0xFF); \
buffer[location+1] = (uint8)((value>>8)&0xFF); }
//-----------------------------------------------------------------------------
// Structures
//-----------------------------------------------------------------------------
struct lfn_cache
{
#if FATFS_INC_LFN_SUPPORT
// Long File Name Structure (max 260 LFN length)
uint8 String[MAX_LONGFILENAME_ENTRIES][MAX_LFN_ENTRY_LENGTH];
uint8 Null;
#endif
uint8 no_of_strings;
};
//-----------------------------------------------------------------------------
// Prototypes
//-----------------------------------------------------------------------------
void fatfs_lfn_cache_init(struct lfn_cache *lfn, int wipeTable);
void fatfs_lfn_cache_entry(struct lfn_cache *lfn, uint8 *entryBuffer);
char* fatfs_lfn_cache_get(struct lfn_cache *lfn);
int fatfs_entry_lfn_text(struct fat_dir_entry *entry);
int fatfs_entry_lfn_invalid(struct fat_dir_entry *entry);
int fatfs_entry_lfn_exists(struct lfn_cache *lfn, struct fat_dir_entry *entry);
int fatfs_entry_sfn_only(struct fat_dir_entry *entry);
int fatfs_entry_is_dir(struct fat_dir_entry *entry);
int fatfs_entry_is_file(struct fat_dir_entry *entry);
int fatfs_lfn_entries_required(char *filename);
void fatfs_filename_to_lfn(char *filename, uint8 *buffer, int entry, uint8 sfnChk);
void fatfs_sfn_create_entry(char *shortfilename, uint32 size, uint32 startCluster, struct fat_dir_entry *entry, int dir);
int fatfs_lfn_create_sfn(char *sfn_output, char *filename);
int fatfs_lfn_generate_tail(char *sfn_output, char *sfn_input, uint32 tailNum);
void fatfs_convert_from_fat_time(uint16 fat_time, int *hours, int *minutes, int *seconds);
void fatfs_convert_from_fat_date(uint16 fat_date, int *day, int *month, int *year);
uint16 fatfs_convert_to_fat_time(int hours, int minutes, int seconds);
uint16 fatfs_convert_to_fat_date(int day, int month, int year);
void fatfs_print_sector(uint32 sector, uint8 *data);
#endif

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Plugson/src/Lib/fat_io_lib/fat_opts.h
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#ifndef __FAT_OPTS_H__
#define __FAT_OPTS_H__
#ifdef FATFS_USE_CUSTOM_OPTS_FILE
#include "fat_custom.h"
#endif
//-------------------------------------------------------------
// Configuration
//-------------------------------------------------------------
// Is the processor little endian (1) or big endian (0)
#ifndef FATFS_IS_LITTLE_ENDIAN
#define FATFS_IS_LITTLE_ENDIAN 1
#endif
// Max filename Length
#ifndef FATFS_MAX_LONG_FILENAME
#define FATFS_MAX_LONG_FILENAME 260
#endif
// Max open files (reduce to lower memory requirements)
#ifndef FATFS_MAX_OPEN_FILES
#define FATFS_MAX_OPEN_FILES 2
#endif
// Number of sectors per FAT_BUFFER (min 1)
#ifndef FAT_BUFFER_SECTORS
#define FAT_BUFFER_SECTORS 1
#endif
// Max FAT sectors to buffer (min 1)
// (mem used is FAT_BUFFERS * FAT_BUFFER_SECTORS * FAT_SECTOR_SIZE)
#ifndef FAT_BUFFERS
#define FAT_BUFFERS 1
#endif
// Size of cluster chain cache (can be undefined)
// Mem used = FAT_CLUSTER_CACHE_ENTRIES * 4 * 2
// Improves access speed considerably
//#define FAT_CLUSTER_CACHE_ENTRIES 128
// Include support for writing files (1 / 0)?
#ifndef FATFS_INC_WRITE_SUPPORT
#define FATFS_INC_WRITE_SUPPORT 1
#endif
// Support long filenames (1 / 0)?
// (if not (0) only 8.3 format is supported)
#ifndef FATFS_INC_LFN_SUPPORT
#define FATFS_INC_LFN_SUPPORT 1
#endif
// Support directory listing (1 / 0)?
#ifndef FATFS_DIR_LIST_SUPPORT
#define FATFS_DIR_LIST_SUPPORT 1
#endif
// Support time/date (1 / 0)?
#ifndef FATFS_INC_TIME_DATE_SUPPORT
#define FATFS_INC_TIME_DATE_SUPPORT 0
#endif
// Include support for formatting disks (1 / 0)?
#ifndef FATFS_INC_FORMAT_SUPPORT
#define FATFS_INC_FORMAT_SUPPORT 0
#endif
// Sector size used
#define FAT_SECTOR_SIZE 512
// Printf output (directory listing / debug)
#ifndef FAT_PRINTF
void ventoy_syslog_printf(const char *Fmt, ...);
#define FAT_PRINTF(a) ventoy_syslog_printf a
#endif
// Time/Date support requires time.h
#if FATFS_INC_TIME_DATE_SUPPORT
#include <time.h>
#endif
#endif

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Plugson/src/Lib/fat_io_lib/fat_string.c
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//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// FAT16/32 File IO Library
// V2.6
// Ultra-Embedded.com
// Copyright 2003 - 2012
//
// Email: admin@ultra-embedded.com
//
// License: GPL
// If you would like a version with a more permissive license for use in
// closed source commercial applications please contact me for details.
//-----------------------------------------------------------------------------
//
// This file is part of FAT File IO Library.
//
// FAT File IO Library is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// FAT File IO Library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FAT File IO Library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#include <string.h>
#include <assert.h>
#include "fat_string.h"
//-----------------------------------------------------------------------------
// fatfs_total_path_levels: Take a filename and path and count the sub levels
// of folders. E.g. C:\folder\file.zip = 1 level
// Acceptable input formats are:
// c:\folder\file.zip
// /dev/etc/samba.conf
// Returns: -1 = Error, 0 or more = Ok
//-----------------------------------------------------------------------------
int fatfs_total_path_levels(char *path)
{
int levels = 0;
char expectedchar;
if (!path)
return -1;
// Acceptable formats:
// c:\folder\file.zip
// /dev/etc/samba.conf
if (*path == '/')
{
expectedchar = '/';
path++;
}
else if (path[1] == ':' || path[2] == '\\')
{
expectedchar = '\\';
path += 3;
}
else
return -1;
// Count levels in path string
while (*path)
{
// Fast forward through actual subdir text to next slash
for (; *path; )
{
// If slash detected escape from for loop
if (*path == expectedchar) { path++; break; }
path++;
}
// Increase number of subdirs founds
levels++;
}
// Subtract the file itself
return levels-1;
}
//-----------------------------------------------------------------------------
// fatfs_get_substring: Get a substring from 'path' which contains the folder
// (or file) at the specified level.
// E.g. C:\folder\file.zip : Level 0 = C:\folder, Level 1 = file.zip
// Returns: -1 = Error, 0 = Ok
//-----------------------------------------------------------------------------
int fatfs_get_substring(char *path, int levelreq, char *output, int max_len)
{
int i;
int pathlen=0;
int levels=0;
int copypnt=0;
char expectedchar;
if (!path || max_len <= 0)
return -1;
// Acceptable formats:
// c:\folder\file.zip
// /dev/etc/samba.conf
if (*path == '/')
{
expectedchar = '/';
path++;
}
else if (path[1] == ':' || path[2] == '\\')
{
expectedchar = '\\';
path += 3;
}
else
return -1;
// Get string length of path
pathlen = (int)strlen (path);
// Loop through the number of times as characters in 'path'
for (i = 0; i<pathlen; i++)
{
// If a '\' is found then increase level
if (*path == expectedchar) levels++;
// If correct level and the character is not a '\' or '/' then copy text to 'output'
if ( (levels == levelreq) && (*path != expectedchar) && (copypnt < (max_len-1)))
output[copypnt++] = *path;
// Increment through path string
path++;
}
// Null Terminate
output[copypnt] = '\0';
// If a string was copied return 0 else return 1
if (output[0] != '\0')
return 0; // OK
else
return -1; // Error
}
//-----------------------------------------------------------------------------
// fatfs_split_path: Full path contains the passed in string.
// Returned is the path string and file Name string
// E.g. C:\folder\file.zip -> path = C:\folder filename = file.zip
// E.g. C:\file.zip -> path = [blank] filename = file.zip
//-----------------------------------------------------------------------------
int fatfs_split_path(char *full_path, char *path, int max_path, char *filename, int max_filename)
{
int strindex;
// Count the levels to the filepath
int levels = fatfs_total_path_levels(full_path);
if (levels == -1)
return -1;
// Get filename part of string
if (fatfs_get_substring(full_path, levels, filename, max_filename) != 0)
return -1;
// If root file
if (levels == 0)
path[0] = '\0';
else
{
strindex = (int)strlen(full_path) - (int)strlen(filename);
if (strindex > max_path)
strindex = max_path;
memcpy(path, full_path, strindex);
path[strindex-1] = '\0';
}
return 0;
}
//-----------------------------------------------------------------------------
// FileString_StrCmpNoCase: Compare two strings case with case sensitivity
//-----------------------------------------------------------------------------
static int FileString_StrCmpNoCase(char *s1, char *s2, int n)
{
int diff;
char a,b;
while (n--)
{
a = *s1;
b = *s2;
// Make lower case if uppercase
if ((a>='A') && (a<='Z'))
a+= 32;
if ((b>='A') && (b<='Z'))
b+= 32;
diff = a - b;
// If different
if (diff)
return diff;
// If run out of strings
if ( (*s1 == 0) || (*s2 == 0) )
break;
s1++;
s2++;
}
return 0;
}
//-----------------------------------------------------------------------------
// FileString_GetExtension: Get index to extension within filename
// Returns -1 if not found or index otherwise
//-----------------------------------------------------------------------------
static int FileString_GetExtension(char *str)
{
int dotPos = -1;
char *strSrc = str;
// Find last '.' in string (if at all)
while (*strSrc)
{
if (*strSrc=='.')
dotPos = (int)(strSrc-str);
strSrc++;
}
return dotPos;
}
//-----------------------------------------------------------------------------
// FileString_TrimLength: Get length of string excluding trailing spaces
// Returns -1 if not found or index otherwise
//-----------------------------------------------------------------------------
static int FileString_TrimLength(char *str, int strLen)
{
int length = strLen;
char *strSrc = str+strLen-1;
// Find last non white space
while (strLen != 0)
{
if (*strSrc == ' ')
length = (int)(strSrc - str);
else
break;
strSrc--;
strLen--;
}
return length;
}
//-----------------------------------------------------------------------------
// fatfs_compare_names: Compare two filenames (without copying or changing origonals)
// Returns 1 if match, 0 if not
//-----------------------------------------------------------------------------
int fatfs_compare_names(char* strA, char* strB)
{
char *ext1 = NULL;
char *ext2 = NULL;
int ext1Pos, ext2Pos;
int file1Len, file2Len;
// Get both files extension
ext1Pos = FileString_GetExtension(strA);
ext2Pos = FileString_GetExtension(strB);
// NOTE: Extension position can be different for matching
// filename if trailing space are present before it!
// Check that if one has an extension, so does the other
if ((ext1Pos==-1) && (ext2Pos!=-1))
return 0;
if ((ext2Pos==-1) && (ext1Pos!=-1))
return 0;
// If they both have extensions, compare them
if (ext1Pos!=-1)
{
// Set pointer to start of extension
ext1 = strA+ext1Pos+1;
ext2 = strB+ext2Pos+1;
// Verify that the file extension lengths match!
if (strlen(ext1) != strlen(ext2))
return 0;
// If they dont match
if (FileString_StrCmpNoCase(ext1, ext2, (int)strlen(ext1))!=0)
return 0;
// Filelength is upto extensions
file1Len = ext1Pos;
file2Len = ext2Pos;
}
// No extensions
else
{
// Filelength is actual filelength
file1Len = (int)strlen(strA);
file2Len = (int)strlen(strB);
}
// Find length without trailing spaces (before ext)
file1Len = FileString_TrimLength(strA, file1Len);
file2Len = FileString_TrimLength(strB, file2Len);
// Check the file lengths match
if (file1Len!=file2Len)
return 0;
// Compare main part of filenames
if (FileString_StrCmpNoCase(strA, strB, file1Len)!=0)
return 0;
else
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_string_ends_with_slash: Does the string end with a slash (\ or /)
//-----------------------------------------------------------------------------
int fatfs_string_ends_with_slash(char *path)
{
if (path)
{
while (*path)
{
// Last character?
if (!(*(path+1)))
{
if (*path == '\\' || *path == '/')
return 1;
}
path++;
}
}
return 0;
}
//-----------------------------------------------------------------------------
// fatfs_get_sfn_display_name: Get display name for SFN entry
//-----------------------------------------------------------------------------
int fatfs_get_sfn_display_name(char* out, char* in)
{
int len = 0;
while (*in && len <= 11)
{
char a = *in++;
if (a == ' ')
continue;
// Make lower case if uppercase
else if ((a>='A') && (a<='Z'))
a+= 32;
*out++ = a;
len++;
}
*out = '\0';
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_get_extension: Get extension of filename passed in 'filename'.
// Returned extension is always lower case.
// Returns: 1 if ok, 0 if not.
//-----------------------------------------------------------------------------
int fatfs_get_extension(char* filename, char* out, int maxlen)
{
int len = 0;
// Get files extension offset
int ext_pos = FileString_GetExtension(filename);
if (ext_pos > 0 && out && maxlen)
{
filename += ext_pos + 1;
while (*filename && len < (maxlen-1))
{
char a = *filename++;
// Make lowercase if uppercase
if ((a>='A') && (a<='Z'))
a+= 32;
*out++ = a;
len++;
}
*out = '\0';
return 1;
}
return 0;
}
//-----------------------------------------------------------------------------
// fatfs_create_path_string: Append path & filename to create file path string.
// Returns: 1 if ok, 0 if not.
//-----------------------------------------------------------------------------
int fatfs_create_path_string(char* path, char *filename, char* out, int maxlen)
{
int len = 0;
char last = 0;
char seperator = '/';
if (path && filename && out && maxlen > 0)
{
while (*path && len < (maxlen-2))
{
last = *path++;
if (last == '\\')
seperator = '\\';
*out++ = last;
len++;
}
// Add a seperator if trailing one not found
if (last != '\\' && last != '/')
*out++ = seperator;
while (*filename && len < (maxlen-1))
{
*out++ = *filename++;
len++;
}
*out = '\0';
return 1;
}
return 0;
}
//-----------------------------------------------------------------------------
// Test Bench
//-----------------------------------------------------------------------------
#ifdef FAT_STRING_TESTBENCH
void main(void)
{
char output[255];
char output2[255];
assert(fatfs_total_path_levels("C:\\folder\\file.zip") == 1);
assert(fatfs_total_path_levels("C:\\file.zip") == 0);
assert(fatfs_total_path_levels("C:\\folder\\folder2\\file.zip") == 2);
assert(fatfs_total_path_levels("C:\\") == -1);
assert(fatfs_total_path_levels("") == -1);
assert(fatfs_total_path_levels("/dev/etc/file.zip") == 2);
assert(fatfs_total_path_levels("/dev/file.zip") == 1);
assert(fatfs_get_substring("C:\\folder\\file.zip", 0, output, sizeof(output)) == 0);
assert(strcmp(output, "folder") == 0);
assert(fatfs_get_substring("C:\\folder\\file.zip", 1, output, sizeof(output)) == 0);
assert(strcmp(output, "file.zip") == 0);
assert(fatfs_get_substring("/dev/etc/file.zip", 0, output, sizeof(output)) == 0);
assert(strcmp(output, "dev") == 0);
assert(fatfs_get_substring("/dev/etc/file.zip", 1, output, sizeof(output)) == 0);
assert(strcmp(output, "etc") == 0);
assert(fatfs_get_substring("/dev/etc/file.zip", 2, output, sizeof(output)) == 0);
assert(strcmp(output, "file.zip") == 0);
assert(fatfs_split_path("C:\\folder\\file.zip", output, sizeof(output), output2, sizeof(output2)) == 0);
assert(strcmp(output, "C:\\folder") == 0);
assert(strcmp(output2, "file.zip") == 0);
assert(fatfs_split_path("C:\\file.zip", output, sizeof(output), output2, sizeof(output2)) == 0);
assert(output[0] == 0);
assert(strcmp(output2, "file.zip") == 0);
assert(fatfs_split_path("/dev/etc/file.zip", output, sizeof(output), output2, sizeof(output2)) == 0);
assert(strcmp(output, "/dev/etc") == 0);
assert(strcmp(output2, "file.zip") == 0);
assert(FileString_GetExtension("C:\\file.zip") == strlen("C:\\file"));
assert(FileString_GetExtension("C:\\file.zip.ext") == strlen("C:\\file.zip"));
assert(FileString_GetExtension("C:\\file.zip.") == strlen("C:\\file.zip"));
assert(FileString_TrimLength("C:\\file.zip", strlen("C:\\file.zip")) == strlen("C:\\file.zip"));
assert(FileString_TrimLength("C:\\file.zip ", strlen("C:\\file.zip ")) == strlen("C:\\file.zip"));
assert(FileString_TrimLength(" ", strlen(" ")) == 0);
assert(fatfs_compare_names("C:\\file.ext", "C:\\file.ext") == 1);
assert(fatfs_compare_names("C:\\file2.ext", "C:\\file.ext") == 0);
assert(fatfs_compare_names("C:\\file .ext", "C:\\file.ext") == 1);
assert(fatfs_compare_names("C:\\file .ext", "C:\\file2.ext") == 0);
assert(fatfs_string_ends_with_slash("C:\\folder") == 0);
assert(fatfs_string_ends_with_slash("C:\\folder\\") == 1);
assert(fatfs_string_ends_with_slash("/path") == 0);
assert(fatfs_string_ends_with_slash("/path/a") == 0);
assert(fatfs_string_ends_with_slash("/path/") == 1);
assert(fatfs_get_extension("/mypath/file.wav", output, 4) == 1);
assert(strcmp(output, "wav") == 0);
assert(fatfs_get_extension("/mypath/file.WAV", output, 4) == 1);
assert(strcmp(output, "wav") == 0);
assert(fatfs_get_extension("/mypath/file.zip", output, 4) == 1);
assert(strcmp(output, "ext") != 0);
assert(fatfs_create_path_string("/mydir1", "myfile.txt", output, sizeof(output)) == 1);
assert(strcmp(output, "/mydir1/myfile.txt") == 0);
assert(fatfs_create_path_string("/mydir2/", "myfile2.txt", output, sizeof(output)) == 1);
assert(strcmp(output, "/mydir2/myfile2.txt") == 0);
assert(fatfs_create_path_string("C:\\mydir3", "myfile3.txt", output, sizeof(output)) == 1);
assert(strcmp(output, "C:\\mydir3\\myfile3.txt") == 0);
}
#endif

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Plugson/src/Lib/fat_io_lib/fat_string.h
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#ifndef __FILESTRING_H__
#define __FILESTRING_H__
//-----------------------------------------------------------------------------
// Prototypes
//-----------------------------------------------------------------------------
int fatfs_total_path_levels(char *path);
int fatfs_get_substring(char *Path, int levelreq, char *output, int max_len);
int fatfs_split_path(char *FullPath, char *Path, int max_path, char *FileName, int max_filename);
int fatfs_compare_names(char* strA, char* strB);
int fatfs_string_ends_with_slash(char *path);
int fatfs_get_sfn_display_name(char* out, char* in);
int fatfs_get_extension(char* filename, char* out, int maxlen);
int fatfs_create_path_string(char* path, char *filename, char* out, int maxlen);
#ifndef NULL
#define NULL 0
#endif
#endif

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Plugson/src/Lib/fat_io_lib/fat_table.c
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//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// FAT16/32 File IO Library
// V2.6
// Ultra-Embedded.com
// Copyright 2003 - 2012
//
// Email: admin@ultra-embedded.com
//
// License: GPL
// If you would like a version with a more permissive license for use in
// closed source commercial applications please contact me for details.
//-----------------------------------------------------------------------------
//
// This file is part of FAT File IO Library.
//
// FAT File IO Library is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// FAT File IO Library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FAT File IO Library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#include <string.h>
#include "fat_defs.h"
#include "fat_access.h"
#include "fat_table.h"
#ifndef FAT_BUFFERS
#define FAT_BUFFERS 1
#endif
#ifndef FAT_BUFFER_SECTORS
#define FAT_BUFFER_SECTORS 1
#endif
#if FAT_BUFFERS < 1 || FAT_BUFFER_SECTORS < 1
#error "FAT_BUFFERS & FAT_BUFFER_SECTORS must be at least 1"
#endif
//-----------------------------------------------------------------------------
// FAT Sector Buffer
//-----------------------------------------------------------------------------
#define FAT32_GET_32BIT_WORD(pbuf, location) ( GET_32BIT_WORD(pbuf->ptr, location) )
#define FAT32_SET_32BIT_WORD(pbuf, location, value) { SET_32BIT_WORD(pbuf->ptr, location, value); pbuf->dirty = 1; }
#define FAT16_GET_16BIT_WORD(pbuf, location) ( GET_16BIT_WORD(pbuf->ptr, location) )
#define FAT16_SET_16BIT_WORD(pbuf, location, value) { SET_16BIT_WORD(pbuf->ptr, location, value); pbuf->dirty = 1; }
//-----------------------------------------------------------------------------
// fatfs_fat_init:
//-----------------------------------------------------------------------------
void fatfs_fat_init(struct fatfs *fs)
{
int i;
// FAT buffer chain head
fs->fat_buffer_head = NULL;
for (i=0;i<FAT_BUFFERS;i++)
{
// Initialise buffers to invalid
fs->fat_buffers[i].address = FAT32_INVALID_CLUSTER;
fs->fat_buffers[i].dirty = 0;
memset(fs->fat_buffers[i].sector, 0x00, sizeof(fs->fat_buffers[i].sector));
fs->fat_buffers[i].ptr = NULL;
// Add to head of queue
fs->fat_buffers[i].next = fs->fat_buffer_head;
fs->fat_buffer_head = &fs->fat_buffers[i];
}
}
//-----------------------------------------------------------------------------
// fatfs_fat_writeback: Writeback 'dirty' FAT sectors to disk
//-----------------------------------------------------------------------------
static int fatfs_fat_writeback(struct fatfs *fs, struct fat_buffer *pcur)
{
if (pcur)
{
// Writeback sector if changed
if (pcur->dirty)
{
if (fs->disk_io.write_media)
{
uint32 sectors = FAT_BUFFER_SECTORS;
uint32 offset = pcur->address - fs->fat_begin_lba;
// Limit to sectors used for the FAT
if ((offset + FAT_BUFFER_SECTORS) <= fs->fat_sectors)
sectors = FAT_BUFFER_SECTORS;
else
sectors = fs->fat_sectors - offset;
if (!fs->disk_io.write_media(pcur->address, pcur->sector, sectors))
return 0;
}
pcur->dirty = 0;
}
return 1;
}
else
return 0;
}
//-----------------------------------------------------------------------------
// fatfs_fat_read_sector: Read a FAT sector
//-----------------------------------------------------------------------------
static struct fat_buffer *fatfs_fat_read_sector(struct fatfs *fs, uint32 sector)
{
struct fat_buffer *last = NULL;
struct fat_buffer *pcur = fs->fat_buffer_head;
// Itterate through sector buffer list
while (pcur)
{
// Sector within this buffer?
if ((sector >= pcur->address) && (sector < (pcur->address + FAT_BUFFER_SECTORS)))
break;
// End of list?
if (pcur->next == NULL)
{
// Remove buffer from list
if (last)
last->next = NULL;
// We the first and last buffer in the chain?
else
fs->fat_buffer_head = NULL;
}
last = pcur;
pcur = pcur->next;
}
// We found the sector already in FAT buffer chain
if (pcur)
{
pcur->ptr = (uint8 *)(pcur->sector + ((sector - pcur->address) * FAT_SECTOR_SIZE));
return pcur;
}
// Else, we removed the last item from the list
pcur = last;
// Add to start of sector buffer list (now newest sector)
pcur->next = fs->fat_buffer_head;
fs->fat_buffer_head = pcur;
// Writeback sector if changed
if (pcur->dirty)
if (!fatfs_fat_writeback(fs, pcur))
return 0;
// Address is now new sector
pcur->address = sector;
// Read next sector
if (!fs->disk_io.read_media(pcur->address, pcur->sector, FAT_BUFFER_SECTORS))
{
// Read failed, invalidate buffer address
pcur->address = FAT32_INVALID_CLUSTER;
return NULL;
}
pcur->ptr = pcur->sector;
return pcur;
}
//-----------------------------------------------------------------------------
// fatfs_fat_purge: Purge 'dirty' FAT sectors to disk
//-----------------------------------------------------------------------------
int fatfs_fat_purge(struct fatfs *fs)
{
struct fat_buffer *pcur = fs->fat_buffer_head;
// Itterate through sector buffer list
while (pcur)
{
// Writeback sector if changed
if (pcur->dirty)
if (!fatfs_fat_writeback(fs, pcur))
return 0;
pcur = pcur->next;
}
return 1;
}
//-----------------------------------------------------------------------------
// General FAT Table Operations
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// fatfs_find_next_cluster: Return cluster number of next cluster in chain by
// reading FAT table and traversing it. Return 0xffffffff for end of chain.
//-----------------------------------------------------------------------------
uint32 fatfs_find_next_cluster(struct fatfs *fs, uint32 current_cluster)
{
uint32 fat_sector_offset, position;
uint32 nextcluster;
struct fat_buffer *pbuf;
// Why is '..' labelled with cluster 0 when it should be 2 ??
if (current_cluster == 0)
current_cluster = 2;
// Find which sector of FAT table to read
if (fs->fat_type == FAT_TYPE_16)
fat_sector_offset = current_cluster / 256;
else
fat_sector_offset = current_cluster / 128;
// Read FAT sector into buffer
pbuf = fatfs_fat_read_sector(fs, fs->fat_begin_lba+fat_sector_offset);
if (!pbuf)
return (FAT32_LAST_CLUSTER);
if (fs->fat_type == FAT_TYPE_16)
{
// Find 32 bit entry of current sector relating to cluster number
position = (current_cluster - (fat_sector_offset * 256)) * 2;
// Read Next Clusters value from Sector Buffer
nextcluster = FAT16_GET_16BIT_WORD(pbuf, (uint16)position);
// If end of chain found
if (nextcluster >= 0xFFF8 && nextcluster <= 0xFFFF)
return (FAT32_LAST_CLUSTER);
}
else
{
// Find 32 bit entry of current sector relating to cluster number
position = (current_cluster - (fat_sector_offset * 128)) * 4;
// Read Next Clusters value from Sector Buffer
nextcluster = FAT32_GET_32BIT_WORD(pbuf, (uint16)position);
// Mask out MS 4 bits (its 28bit addressing)
nextcluster = nextcluster & 0x0FFFFFFF;
// If end of chain found
if (nextcluster >= 0x0FFFFFF8 && nextcluster <= 0x0FFFFFFF)
return (FAT32_LAST_CLUSTER);
}
// Else return next cluster
return (nextcluster);
}
//-----------------------------------------------------------------------------
// fatfs_set_fs_info_next_free_cluster: Write the next free cluster to the FSINFO table
//-----------------------------------------------------------------------------
void fatfs_set_fs_info_next_free_cluster(struct fatfs *fs, uint32 newValue)
{
if (fs->fat_type == FAT_TYPE_16)
;
else
{
// Load sector to change it
struct fat_buffer *pbuf = fatfs_fat_read_sector(fs, fs->lba_begin+fs->fs_info_sector);
if (!pbuf)
return ;
// Change
FAT32_SET_32BIT_WORD(pbuf, 492, newValue);
fs->next_free_cluster = newValue;
// Write back FSINFO sector to disk
if (fs->disk_io.write_media)
fs->disk_io.write_media(pbuf->address, pbuf->sector, 1);
// Invalidate cache entry
pbuf->address = FAT32_INVALID_CLUSTER;
pbuf->dirty = 0;
}
}
//-----------------------------------------------------------------------------
// fatfs_find_blank_cluster: Find a free cluster entry by reading the FAT
//-----------------------------------------------------------------------------
#if FATFS_INC_WRITE_SUPPORT
int fatfs_find_blank_cluster(struct fatfs *fs, uint32 start_cluster, uint32 *free_cluster)
{
uint32 fat_sector_offset, position;
uint32 nextcluster;
uint32 current_cluster = start_cluster;
struct fat_buffer *pbuf;
do
{
// Find which sector of FAT table to read
if (fs->fat_type == FAT_TYPE_16)
fat_sector_offset = current_cluster / 256;
else
fat_sector_offset = current_cluster / 128;
if ( fat_sector_offset < fs->fat_sectors)
{
// Read FAT sector into buffer
pbuf = fatfs_fat_read_sector(fs, fs->fat_begin_lba+fat_sector_offset);
if (!pbuf)
return 0;
if (fs->fat_type == FAT_TYPE_16)
{
// Find 32 bit entry of current sector relating to cluster number
position = (current_cluster - (fat_sector_offset * 256)) * 2;
// Read Next Clusters value from Sector Buffer
nextcluster = FAT16_GET_16BIT_WORD(pbuf, (uint16)position);
}
else
{
// Find 32 bit entry of current sector relating to cluster number
position = (current_cluster - (fat_sector_offset * 128)) * 4;
// Read Next Clusters value from Sector Buffer
nextcluster = FAT32_GET_32BIT_WORD(pbuf, (uint16)position);
// Mask out MS 4 bits (its 28bit addressing)
nextcluster = nextcluster & 0x0FFFFFFF;
}
if (nextcluster !=0 )
current_cluster++;
}
else
// Otherwise, run out of FAT sectors to check...
return 0;
}
while (nextcluster != 0x0);
// Found blank entry
*free_cluster = current_cluster;
return 1;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_fat_set_cluster: Set a cluster link in the chain. NOTE: Immediate
// write (slow).
//-----------------------------------------------------------------------------
#if FATFS_INC_WRITE_SUPPORT
int fatfs_fat_set_cluster(struct fatfs *fs, uint32 cluster, uint32 next_cluster)
{
struct fat_buffer *pbuf;
uint32 fat_sector_offset, position;
// Find which sector of FAT table to read
if (fs->fat_type == FAT_TYPE_16)
fat_sector_offset = cluster / 256;
else
fat_sector_offset = cluster / 128;
// Read FAT sector into buffer
pbuf = fatfs_fat_read_sector(fs, fs->fat_begin_lba+fat_sector_offset);
if (!pbuf)
return 0;
if (fs->fat_type == FAT_TYPE_16)
{
// Find 16 bit entry of current sector relating to cluster number
position = (cluster - (fat_sector_offset * 256)) * 2;
// Write Next Clusters value to Sector Buffer
FAT16_SET_16BIT_WORD(pbuf, (uint16)position, ((uint16)next_cluster));
}
else
{
// Find 32 bit entry of current sector relating to cluster number
position = (cluster - (fat_sector_offset * 128)) * 4;
// Write Next Clusters value to Sector Buffer
FAT32_SET_32BIT_WORD(pbuf, (uint16)position, next_cluster);
}
return 1;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_free_cluster_chain: Follow a chain marking each element as free
//-----------------------------------------------------------------------------
#if FATFS_INC_WRITE_SUPPORT
int fatfs_free_cluster_chain(struct fatfs *fs, uint32 start_cluster)
{
uint32 last_cluster;
uint32 next_cluster = start_cluster;
// Loop until end of chain
while ( (next_cluster != FAT32_LAST_CLUSTER) && (next_cluster != 0x00000000) )
{
last_cluster = next_cluster;
// Find next link
next_cluster = fatfs_find_next_cluster(fs, next_cluster);
// Clear last link
fatfs_fat_set_cluster(fs, last_cluster, 0x00000000);
}
return 1;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_fat_add_cluster_to_chain: Follow a chain marking and then add a new entry
// to the current tail.
//-----------------------------------------------------------------------------
#if FATFS_INC_WRITE_SUPPORT
int fatfs_fat_add_cluster_to_chain(struct fatfs *fs, uint32 start_cluster, uint32 newEntry)
{
uint32 last_cluster = FAT32_LAST_CLUSTER;
uint32 next_cluster = start_cluster;
if (start_cluster == FAT32_LAST_CLUSTER)
return 0;
// Loop until end of chain
while ( next_cluster != FAT32_LAST_CLUSTER )
{
last_cluster = next_cluster;
// Find next link
next_cluster = fatfs_find_next_cluster(fs, next_cluster);
if (!next_cluster)
return 0;
}
// Add link in for new cluster
fatfs_fat_set_cluster(fs, last_cluster, newEntry);
// Mark new cluster as end of chain
fatfs_fat_set_cluster(fs, newEntry, FAT32_LAST_CLUSTER);
return 1;
}
#endif
//-----------------------------------------------------------------------------
// fatfs_count_free_clusters:
//-----------------------------------------------------------------------------
uint32 fatfs_count_free_clusters(struct fatfs *fs)
{
uint32 i,j;
uint32 count = 0;
struct fat_buffer *pbuf;
for (i = 0; i < fs->fat_sectors; i++)
{
// Read FAT sector into buffer
pbuf = fatfs_fat_read_sector(fs, fs->fat_begin_lba + i);
if (!pbuf)
break;
for (j = 0; j < FAT_SECTOR_SIZE; )
{
if (fs->fat_type == FAT_TYPE_16)
{
if (FAT16_GET_16BIT_WORD(pbuf, (uint16)j) == 0)
count++;
j += 2;
}
else
{
if (FAT32_GET_32BIT_WORD(pbuf, (uint16)j) == 0)
count++;
j += 4;
}
}
}
return count;
}

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Plugson/src/Lib/fat_io_lib/fat_table.h
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#ifndef __FAT_TABLE_H__
#define __FAT_TABLE_H__
#include "fat_opts.h"
#include "fat_misc.h"
//-----------------------------------------------------------------------------
// Prototypes
//-----------------------------------------------------------------------------
void fatfs_fat_init(struct fatfs *fs);
int fatfs_fat_purge(struct fatfs *fs);
uint32 fatfs_find_next_cluster(struct fatfs *fs, uint32 current_cluster);
void fatfs_set_fs_info_next_free_cluster(struct fatfs *fs, uint32 newValue);
int fatfs_find_blank_cluster(struct fatfs *fs, uint32 start_cluster, uint32 *free_cluster);
int fatfs_fat_set_cluster(struct fatfs *fs, uint32 cluster, uint32 next_cluster);
int fatfs_fat_add_cluster_to_chain(struct fatfs *fs, uint32 start_cluster, uint32 newEntry);
int fatfs_free_cluster_chain(struct fatfs *fs, uint32 start_cluster);
uint32 fatfs_count_free_clusters(struct fatfs *fs);
#endif

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Plugson/src/Lib/fat_io_lib/fat_types.h
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#ifndef __FAT_TYPES_H__
#define __FAT_TYPES_H__
// Detect 64-bit compilation on GCC
#if defined(__GNUC__) && defined(__SIZEOF_LONG__)
#if __SIZEOF_LONG__ == 8
#define FATFS_DEF_UINT32_AS_INT
#endif
#endif
//-------------------------------------------------------------
// System specific types
//-------------------------------------------------------------
#ifndef FATFS_NO_DEF_TYPES
typedef unsigned char uint8;
typedef unsigned short uint16;
// If compiling on a 64-bit machine, use int as 32-bits
#ifdef FATFS_DEF_UINT32_AS_INT
typedef unsigned int uint32;
// Else for 32-bit machines & embedded systems, use long...
#else
typedef unsigned long uint32;
#endif
#endif
#ifndef NULL
#define NULL 0
#endif
//-------------------------------------------------------------
// Endian Macros
//-------------------------------------------------------------
// FAT is little endian so big endian systems need to swap words
// Little Endian - No swap required
#if FATFS_IS_LITTLE_ENDIAN == 1
#define FAT_HTONS(n) (n)
#define FAT_HTONL(n) (n)
// Big Endian - Swap required
#else
#define FAT_HTONS(n) ((((uint16)((n) & 0xff)) << 8) | (((n) & 0xff00) >> 8))
#define FAT_HTONL(n) (((((uint32)(n) & 0xFF)) << 24) | \
((((uint32)(n) & 0xFF00)) << 8) | \
((((uint32)(n) & 0xFF0000)) >> 8) | \
((((uint32)(n) & 0xFF000000)) >> 24))
#endif
//-------------------------------------------------------------
// Structure Packing Compile Options
//-------------------------------------------------------------
#ifdef __GNUC__
#define STRUCT_PACK
#define STRUCT_PACK_BEGIN
#define STRUCT_PACK_END
#define STRUCT_PACKED __attribute__ ((packed))
#else
// Other compilers may require other methods of packing structures
#define STRUCT_PACK
#define STRUCT_PACK_BEGIN
#define STRUCT_PACK_END
#define STRUCT_PACKED
#endif
#endif

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Plugson/src/Lib/fat_io_lib/fat_write.c
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//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// FAT16/32 File IO Library
// V2.6
// Ultra-Embedded.com
// Copyright 2003 - 2012
//
// Email: admin@ultra-embedded.com
//
// License: GPL
// If you would like a version with a more permissive license for use in
// closed source commercial applications please contact me for details.
//-----------------------------------------------------------------------------
//
// This file is part of FAT File IO Library.
//
// FAT File IO Library is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// FAT File IO Library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FAT File IO Library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#include <string.h>
#include "fat_defs.h"
#include "fat_access.h"
#include "fat_table.h"
#include "fat_write.h"
#include "fat_string.h"
#include "fat_misc.h"
#if FATFS_INC_WRITE_SUPPORT
//-----------------------------------------------------------------------------
// fatfs_add_free_space: Allocate another cluster of free space to the end
// of a files cluster chain.
//-----------------------------------------------------------------------------
int fatfs_add_free_space(struct fatfs *fs, uint32 *startCluster, uint32 clusters)
{
uint32 i;
uint32 nextcluster;
uint32 start = *startCluster;
// Set the next free cluster hint to unknown
if (fs->next_free_cluster != FAT32_LAST_CLUSTER)
fatfs_set_fs_info_next_free_cluster(fs, FAT32_LAST_CLUSTER);
for (i=0;i<clusters;i++)
{
// Start looking for free clusters from the beginning
if (fatfs_find_blank_cluster(fs, fs->rootdir_first_cluster, &nextcluster))
{
// Point last to this
fatfs_fat_set_cluster(fs, start, nextcluster);
// Point this to end of file
fatfs_fat_set_cluster(fs, nextcluster, FAT32_LAST_CLUSTER);
// Adjust argument reference
start = nextcluster;
if (i == 0)
*startCluster = nextcluster;
}
else
return 0;
}
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_allocate_free_space: Add an ammount of free space to a file either from
// 'startCluster' if newFile = false, or allocating a new start to the chain if
// newFile = true.
//-----------------------------------------------------------------------------
int fatfs_allocate_free_space(struct fatfs *fs, int newFile, uint32 *startCluster, uint32 size)
{
uint32 clusterSize;
uint32 clusterCount;
uint32 nextcluster;
if (size==0)
return 0;
// Set the next free cluster hint to unknown
if (fs->next_free_cluster != FAT32_LAST_CLUSTER)
fatfs_set_fs_info_next_free_cluster(fs, FAT32_LAST_CLUSTER);
// Work out size and clusters
clusterSize = fs->sectors_per_cluster * FAT_SECTOR_SIZE;
clusterCount = (size / clusterSize);
// If any left over
if (size-(clusterSize*clusterCount))
clusterCount++;
// Allocated first link in the chain if a new file
if (newFile)
{
if (!fatfs_find_blank_cluster(fs, fs->rootdir_first_cluster, &nextcluster))
return 0;
// If this is all that is needed then all done
if (clusterCount==1)
{
fatfs_fat_set_cluster(fs, nextcluster, FAT32_LAST_CLUSTER);
*startCluster = nextcluster;
return 1;
}
}
// Allocate from end of current chain (startCluster is end of chain)
else
nextcluster = *startCluster;
if (!fatfs_add_free_space(fs, &nextcluster, clusterCount))
return 0;
return 1;
}
//-----------------------------------------------------------------------------
// fatfs_find_free_dir_offset: Find a free space in the directory for a new entry
// which takes up 'entryCount' blocks (or allocate some more)
//-----------------------------------------------------------------------------
static int fatfs_find_free_dir_offset(struct fatfs *fs, uint32 dirCluster, int entryCount, uint32 *pSector, uint8 *pOffset)
{
struct fat_dir_entry *directoryEntry;
uint8 item=0;
uint16 recordoffset = 0;
uint8 i=0;
int x=0;
int possible_spaces = 0;
int start_recorded = 0;
// No entries required?
if (entryCount == 0)
return 0;
// Main cluster following loop
while (1)
{
// Read sector
if (fatfs_sector_reader(fs, dirCluster, x++, 0))
{
// Analyse Sector
for (item = 0; item < FAT_DIR_ENTRIES_PER_SECTOR; item++)
{
// Create the multiplier for sector access
recordoffset = FAT_DIR_ENTRY_SIZE * item;
// Overlay directory entry over buffer
directoryEntry = (struct fat_dir_entry*)(fs->currentsector.sector+recordoffset);
// LFN Entry
if (fatfs_entry_lfn_text(directoryEntry))
{
// First entry?
if (possible_spaces == 0)
{
// Store start
*pSector = x-1;
*pOffset = item;
start_recorded = 1;
}
// Increment the count in-case the file turns
// out to be deleted...
possible_spaces++;
}
// SFN Entry
else
{
// Has file been deleted?
if (fs->currentsector.sector[recordoffset] == FILE_HEADER_DELETED)
{
// First entry?
if (possible_spaces == 0)
{
// Store start
*pSector = x-1;
*pOffset = item;
start_recorded = 1;
}
possible_spaces++;
// We have found enough space?
if (possible_spaces >= entryCount)
return 1;
// Else continue counting until we find a valid entry!
}
// Is the file entry empty?
else if (fs->currentsector.sector[recordoffset] == FILE_HEADER_BLANK)
{
// First entry?
if (possible_spaces == 0)
{
// Store start
*pSector = x-1;
*pOffset = item;
start_recorded = 1;
}
// Increment the blank entries count
possible_spaces++;
// We have found enough space?
if (possible_spaces >= entryCount)
return 1;
}
// File entry is valid
else
{
// Reset all flags
possible_spaces = 0;
start_recorded = 0;
}
}
} // End of for
} // End of if
// Run out of free space in the directory, allocate some more
else
{
uint32 newCluster;
// Get a new cluster for directory
if (!fatfs_find_blank_cluster(fs, fs->rootdir_first_cluster, &newCluster))
return 0;
// Add cluster to end of directory tree
if (!fatfs_fat_add_cluster_to_chain(fs, dirCluster, newCluster))
return 0;
// Erase new directory cluster
memset(fs->currentsector.sector, 0x00, FAT_SECTOR_SIZE);
for (i=0;i<fs->sectors_per_cluster;i++)
{
if (!fatfs_write_sector(fs, newCluster, i, 0))
return 0;
}
// If non of the name fitted on previous sectors
if (!start_recorded)
{
// Store start
*pSector = (x-1);
*pOffset = 0;
start_recorded = 1;
}
return 1;
}
} // End of while loop
return 0;
}
//-----------------------------------------------------------------------------
// fatfs_add_file_entry: Add a directory entry to a location found by FindFreeOffset
//-----------------------------------------------------------------------------
int fatfs_add_file_entry(struct fatfs *fs, uint32 dirCluster, char *filename, char *shortfilename, uint32 startCluster, uint32 size, int dir)
{
uint8 item=0;
uint16 recordoffset = 0;
uint8 i=0;
uint32 x=0;
int entryCount;
struct fat_dir_entry shortEntry;
int dirtySector = 0;
uint32 dirSector = 0;
uint8 dirOffset = 0;
int foundEnd = 0;
uint8 checksum;
uint8 *pSname;
// No write access?
if (!fs->disk_io.write_media)
return 0;
#if FATFS_INC_LFN_SUPPORT
// How many LFN entries are required?
// NOTE: We always request one LFN even if it would fit in a SFN!
entryCount = fatfs_lfn_entries_required(filename);
if (!entryCount)
return 0;
#else
entryCount = 0;
#endif
// Find space in the directory for this filename (or allocate some more)
// NOTE: We need to find space for at least the LFN + SFN (or just the SFN if LFNs not supported).
if (!fatfs_find_free_dir_offset(fs, dirCluster, entryCount + 1, &dirSector, &dirOffset))
return 0;
// Generate checksum of short filename
pSname = (uint8*)shortfilename;
checksum = 0;
for (i=11; i!=0; i--) checksum = ((checksum & 1) ? 0x80 : 0) + (checksum >> 1) + *pSname++;
// Start from current sector where space was found!
x = dirSector;
// Main cluster following loop
while (1)
{
// Read sector
if (fatfs_sector_reader(fs, dirCluster, x++, 0))
{
// Analyse Sector
for (item = 0; item < FAT_DIR_ENTRIES_PER_SECTOR; item++)
{
// Create the multiplier for sector access
recordoffset = FAT_DIR_ENTRY_SIZE * item;
// If the start position for the entry has been found
if (foundEnd==0)
if ( (dirSector==(x-1)) && (dirOffset==item) )
foundEnd = 1;
// Start adding filename
if (foundEnd)
{
if (entryCount==0)
{
// Short filename
fatfs_sfn_create_entry(shortfilename, size, startCluster, &shortEntry, dir);
#if FATFS_INC_TIME_DATE_SUPPORT
// Update create, access & modify time & date
fatfs_update_timestamps(&shortEntry, 1, 1, 1);
#endif
memcpy(&fs->currentsector.sector[recordoffset], &shortEntry, sizeof(shortEntry));
// Writeback
return fs->disk_io.write_media(fs->currentsector.address, fs->currentsector.sector, 1);
}
#if FATFS_INC_LFN_SUPPORT
else
{
entryCount--;
// Copy entry to directory buffer
fatfs_filename_to_lfn(filename, &fs->currentsector.sector[recordoffset], entryCount, checksum);
dirtySector = 1;
}
#endif
}
} // End of if
// Write back to disk before loading another sector
if (dirtySector)
{
if (!fs->disk_io.write_media(fs->currentsector.address, fs->currentsector.sector, 1))
return 0;
dirtySector = 0;
}
}
else
return 0;
} // End of while loop
return 0;
}
#endif

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Plugson/src/Lib/fat_io_lib/fat_write.h
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#ifndef __FAT_WRITE_H__
#define __FAT_WRITE_H__
#include "fat_defs.h"
#include "fat_opts.h"
//-----------------------------------------------------------------------------
// Prototypes
//-----------------------------------------------------------------------------
int fatfs_add_file_entry(struct fatfs *fs, uint32 dirCluster, char *filename, char *shortfilename, uint32 startCluster, uint32 size, int dir);
int fatfs_add_free_space(struct fatfs *fs, uint32 *startCluster, uint32 clusters);
int fatfs_allocate_free_space(struct fatfs *fs, int newFile, uint32 *startCluster, uint32 size);
#endif

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Plugson/src/Lib/fat_io_lib/version.txt
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Plugson/src/Lib/libhttp/include/civetweb.h
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/* Copyright (c) 2016 the Civetweb developers
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
static int
url_encoded_field_found(const struct mg_connection *conn,
const char *key,
size_t key_len,
const char *filename,
size_t filename_len,
char *path,
size_t path_len,
struct mg_form_data_handler *fdh)
{
char key_dec[1024];
char filename_dec[1024];
int key_dec_len;
int filename_dec_len;
int ret;
key_dec_len =
mg_url_decode(key, (int)key_len, key_dec, (int)sizeof(key_dec), 1);
if (((size_t)key_dec_len >= (size_t)sizeof(key_dec)) || (key_dec_len < 0)) {
return FORM_FIELD_STORAGE_SKIP;
}
if (filename) {
filename_dec_len = mg_url_decode(filename,
(int)filename_len,
filename_dec,
(int)sizeof(filename_dec),
1);
if (((size_t)filename_dec_len >= (size_t)sizeof(filename_dec))
|| (filename_dec_len < 0)) {
/* Log error message and skip this field. */
mg_cry(conn, "%s: Cannot decode filename", __func__);
return FORM_FIELD_STORAGE_SKIP;
}
} else {
filename_dec[0] = 0;
}
ret =
fdh->field_found(key_dec, filename_dec, path, path_len, fdh->user_data);
if ((ret & 0xF) == FORM_FIELD_STORAGE_GET) {
if (fdh->field_get == NULL) {
mg_cry(conn, "%s: Function \"Get\" not available", __func__);
return FORM_FIELD_STORAGE_SKIP;
}
}
if ((ret & 0xF) == FORM_FIELD_STORAGE_STORE) {
if (fdh->field_store == NULL) {
mg_cry(conn, "%s: Function \"Store\" not available", __func__);
return FORM_FIELD_STORAGE_SKIP;
}
}
return ret;
}
static int
url_encoded_field_get(const struct mg_connection *conn,
const char *key,
size_t key_len,
const char *value,
size_t value_len,
struct mg_form_data_handler *fdh)
{
char key_dec[1024];
char *value_dec = mg_malloc(value_len + 1);
int value_dec_len;
if (!value_dec) {
/* Log error message and stop parsing the form data. */
mg_cry(conn,
"%s: Not enough memory (required: %lu)",
__func__,
(unsigned long)(value_len + 1));
return FORM_FIELD_STORAGE_ABORT;
}
mg_url_decode(key, (int)key_len, key_dec, (int)sizeof(key_dec), 1);
value_dec_len =
mg_url_decode(value, (int)value_len, value_dec, (int)value_len + 1, 1);
return fdh->field_get(key_dec,
value_dec,
(size_t)value_dec_len,
fdh->user_data);
}
static int
field_stored(const struct mg_connection *conn,
const char *path,
long long file_size,
struct mg_form_data_handler *fdh)
{
/* Equivalent to "upload" callback of "mg_upload". */
(void)conn; /* we do not need mg_cry here, so conn is currently unused */
return fdh->field_store(path, file_size, fdh->user_data);
}
static const char *
search_boundary(const char *buf,
size_t buf_len,
const char *boundary,
size_t boundary_len)
{
/* We must do a binary search here, not a string search, since the buffer
* may contain '\x00' bytes, if binary data is transferred. */
int clen = (int)buf_len - (int)boundary_len - 4;
int i;
for (i = 0; i <= clen; i++) {
if (!memcmp(buf + i, "\r\n--", 4)) {
if (!memcmp(buf + i + 4, boundary, boundary_len)) {
return buf + i;
}
}
}
return NULL;
}
int
mg_handle_form_request(struct mg_connection *conn,
struct mg_form_data_handler *fdh)
{
const char *content_type;
char path[512];
char buf[1024];
int field_storage;
int buf_fill = 0;
int r;
int field_count = 0;
struct file fstore = STRUCT_FILE_INITIALIZER;
int64_t file_size = 0; /* init here, to a avoid a false positive
"uninitialized variable used" warning */
int has_body_data =
(conn->request_info.content_length > 0) || (conn->is_chunked);
/* There are three ways to encode data from a HTML form:
* 1) method: GET (default)
* The form data is in the HTTP query string.
* 2) method: POST, enctype: "application/x-www-form-urlencoded"
* The form data is in the request body.
* The body is url encoded (the default encoding for POST).
* 3) method: POST, enctype: "multipart/form-data".
* The form data is in the request body of a multipart message.
* This is the typical way to handle file upload from a form.
*/
if (!has_body_data) {
const char *data;
if (strcmp(conn->request_info.request_method, "GET")) {
/* No body data, but not a GET request.
* This is not a valid form request. */
return -1;
}
/* GET request: form data is in the query string. */
/* The entire data has already been loaded, so there is no nead to
* call mg_read. We just need to split the query string into key-value
* pairs. */
data = conn->request_info.query_string;
if (!data) {
/* No query string. */
return -1;
}
/* Split data in a=1&b=xy&c=3&c=4 ... */
while (*data) {
const char *val = strchr(data, '=');
const char *next;
ptrdiff_t keylen, vallen;
if (!val) {
break;
}
keylen = val - data;
/* In every "field_found" callback we ask what to do with the
* data ("field_storage"). This could be:
* FORM_FIELD_STORAGE_SKIP (0) ... ignore the value of this field
* FORM_FIELD_STORAGE_GET (1) ... read the data and call the get
* callback function
* FORM_FIELD_STORAGE_STORE (2) ... store the data in a file
* FORM_FIELD_STORAGE_READ (3) ... let the user read the data
* (for parsing long data on the fly)
* (currently not implemented)
* FORM_FIELD_STORAGE_ABORT (flag) ... stop parsing
*/
memset(path, 0, sizeof(path));
field_count++;
field_storage = url_encoded_field_found(conn,
data,
(size_t)keylen,
NULL,
0,
path,
sizeof(path) - 1,
fdh);
val++;
next = strchr(val, '&');
if (next) {
vallen = next - val;
next++;
} else {
vallen = (ptrdiff_t)strlen(val);
next = val + vallen;
}
if (field_storage == FORM_FIELD_STORAGE_GET) {
/* Call callback */
url_encoded_field_get(
conn, data, (size_t)keylen, val, (size_t)vallen, fdh);
}
if (field_storage == FORM_FIELD_STORAGE_STORE) {
/* Store the content to a file */
if (mg_fopen(conn, path, "wb", &fstore) == 0) {
fstore.fp = NULL;
}
file_size = 0;
if (fstore.fp != NULL) {
size_t n =
(size_t)fwrite(val, 1, (size_t)vallen, fstore.fp);
if ((n != (size_t)vallen) || (ferror(fstore.fp))) {
mg_cry(conn,
"%s: Cannot write file %s",
__func__,
path);
fclose(fstore.fp);
fstore.fp = NULL;
remove_bad_file(conn, path);
}
file_size += (int64_t)n;
if (fstore.fp) {
r = fclose(fstore.fp);
if (r == 0) {
/* stored successfully */
field_stored(conn, path, file_size, fdh);
} else {
mg_cry(conn,
"%s: Error saving file %s",
__func__,
path);
remove_bad_file(conn, path);
}
fstore.fp = NULL;
}
} else {
mg_cry(conn, "%s: Cannot create file %s", __func__, path);
}
}
/* if (field_storage == FORM_FIELD_STORAGE_READ) { */
/* The idea of "field_storage=read" is to let the API user read
* data chunk by chunk and to some data processing on the fly.
* This should avoid the need to store data in the server:
* It should neither be stored in memory, like
* "field_storage=get" does, nor in a file like
* "field_storage=store".
* However, for a "GET" request this does not make any much
* sense, since the data is already stored in memory, as it is
* part of the query string.
*/
/* } */
if ((field_storage & FORM_FIELD_STORAGE_ABORT)
== FORM_FIELD_STORAGE_ABORT) {
/* Stop parsing the request */
break;
}
/* Proceed to next entry */
data = next;
}
return field_count;
}
content_type = mg_get_header(conn, "Content-Type");
if (!content_type
|| !mg_strcasecmp(content_type, "APPLICATION/X-WWW-FORM-URLENCODED")
|| !mg_strcasecmp(content_type, "APPLICATION/WWW-FORM-URLENCODED")) {
/* The form data is in the request body data, encoded in key/value
* pairs. */
int all_data_read = 0;
/* Read body data and split it in keys and values.
* The encoding is like in the "GET" case above: a=1&b&c=3&c=4.
* Here we use "POST", and read the data from the request body.
* The data read on the fly, so it is not required to buffer the
* entire request in memory before processing it. */
for (;;) {
const char *val;
const char *next;
ptrdiff_t keylen, vallen;
ptrdiff_t used;
int end_of_key_value_pair_found = 0;
int get_block;
if ((size_t)buf_fill < (sizeof(buf) - 1)) {
size_t to_read = sizeof(buf) - 1 - (size_t)buf_fill;
r = mg_read(conn, buf + (size_t)buf_fill, to_read);
if (r < 0) {
/* read error */
return -1;
}
if (r != (int)to_read) {
/* TODO: Create a function to get "all_data_read" from
* the conn object. All data is read if the Content-Length
* has been reached, or if chunked encoding is used and
* the end marker has been read, or if the connection has
* been closed. */
all_data_read = 1;
}
buf_fill += r;
buf[buf_fill] = 0;
if (buf_fill < 1) {
break;
}
}
val = strchr(buf, '=');
if (!val) {
break;
}
keylen = val - buf;
val++;
/* Call callback */
memset(path, 0, sizeof(path));
field_count++;
field_storage = url_encoded_field_found(conn,
buf,
(size_t)keylen,
NULL,
0,
path,
sizeof(path) - 1,
fdh);
if ((field_storage & FORM_FIELD_STORAGE_ABORT)
== FORM_FIELD_STORAGE_ABORT) {
/* Stop parsing the request */
break;
}
if (field_storage == FORM_FIELD_STORAGE_STORE) {
if (mg_fopen(conn, path, "wb", &fstore) == 0) {
fstore.fp = NULL;
}
file_size = 0;
if (!fstore.fp) {
mg_cry(conn, "%s: Cannot create file %s", __func__, path);
}
}
get_block = 0;
/* Loop to read values larger than sizeof(buf)-keylen-2 */
do {
next = strchr(val, '&');
if (next) {
vallen = next - val;
next++;
end_of_key_value_pair_found = 1;
} else {
vallen = (ptrdiff_t)strlen(val);
next = val + vallen;
}
if (field_storage == FORM_FIELD_STORAGE_GET) {
#if 0
if (!end_of_key_value_pair_found && !all_data_read) {
/* This callback will deliver partial contents */
}
#else
(void)all_data_read; /* avoid warning */
#endif
/* Call callback */
url_encoded_field_get(conn,
((get_block > 0) ? NULL : buf),
((get_block > 0) ? 0
: (size_t)keylen),
val,
(size_t)vallen,
fdh);
get_block++;
}
if (fstore.fp) {
size_t n =
(size_t)fwrite(val, 1, (size_t)vallen, fstore.fp);
if ((n != (size_t)vallen) || (ferror(fstore.fp))) {
mg_cry(conn,
"%s: Cannot write file %s",
__func__,
path);
fclose(fstore.fp);
fstore.fp = NULL;
remove_bad_file(conn, path);
}
file_size += (int64_t)n;
}
if (!end_of_key_value_pair_found) {
used = next - buf;
memmove(buf,
buf + (size_t)used,
sizeof(buf) - (size_t)used);
buf_fill -= (int)used;
if ((size_t)buf_fill < (sizeof(buf) - 1)) {
size_t to_read = sizeof(buf) - 1 - (size_t)buf_fill;
r = mg_read(conn, buf + (size_t)buf_fill, to_read);
if (r < 0) {
/* read error */
return -1;
}
if (r != (int)to_read) {
/* TODO: Create a function to get "all_data_read"
* from the conn object. All data is read if the
* Content-Length has been reached, or if chunked
* encoding is used and the end marker has been
* read, or if the connection has been closed. */
all_data_read = 1;
}
buf_fill += r;
buf[buf_fill] = 0;
if (buf_fill < 1) {
break;
}
val = buf;
}
}
} while (!end_of_key_value_pair_found);
if (fstore.fp) {
r = fclose(fstore.fp);
if (r == 0) {
/* stored successfully */
field_stored(conn, path, file_size, fdh);
} else {
mg_cry(conn, "%s: Error saving file %s", __func__, path);
remove_bad_file(conn, path);
}
fstore.fp = NULL;
}
/* Proceed to next entry */
used = next - buf;
memmove(buf, buf + (size_t)used, sizeof(buf) - (size_t)used);
buf_fill -= (int)used;
}
return field_count;
}
if (!mg_strncasecmp(content_type, "MULTIPART/FORM-DATA;", 20)) {
/* The form data is in the request body data, encoded as multipart
* content (see https://www.ietf.org/rfc/rfc1867.txt,
* https://www.ietf.org/rfc/rfc2388.txt). */
const char *boundary;
size_t bl;
ptrdiff_t used;
struct mg_request_info part_header;
char *hbuf, *hend, *fbeg, *fend, *nbeg, *nend;
const char *content_disp;
const char *next;
memset(&part_header, 0, sizeof(part_header));
/* Skip all spaces between MULTIPART/FORM-DATA; and BOUNDARY= */
bl = 20;
while (content_type[bl] == ' ') {
bl++;
}
/* There has to be a BOUNDARY definition in the Content-Type header */
if (mg_strncasecmp(content_type + bl, "BOUNDARY=", 9)) {
/* Malformed request */
return -1;
}
boundary = content_type + bl + 9;
bl = strlen(boundary);
if (bl + 800 > sizeof(buf)) {
/* Sanity check: The algorithm can not work if bl >= sizeof(buf),
* and it will not work effectively, if the buf is only a few byte
* larger than bl, or it buf can not hold the multipart header
* plus the boundary.
* Check some reasonable number here, that should be fulfilled by
* any reasonable request from every browser. If it is not
* fulfilled, it might be a hand-made request, intended to
* interfere with the algorithm. */
return -1;
}
for (;;) {
size_t towrite, n;
int get_block;
r = mg_read(conn,
buf + (size_t)buf_fill,
sizeof(buf) - 1 - (size_t)buf_fill);
if (r < 0) {
/* read error */
return -1;
}
buf_fill += r;
buf[buf_fill] = 0;
if (buf_fill < 1) {
/* No data */
return -1;
}
if (buf[0] != '-' || buf[1] != '-') {
/* Malformed request */
return -1;
}
if (strncmp(buf + 2, boundary, bl)) {
/* Malformed request */
return -1;
}
if (buf[bl + 2] != '\r' || buf[bl + 3] != '\n') {
/* Every part must end with \r\n, if there is another part.
* The end of the request has an extra -- */
if (((size_t)buf_fill != (size_t)(bl + 6))
|| (strncmp(buf + bl + 2, "--\r\n", 4))) {
/* Malformed request */
return -1;
}
/* End of the request */
break;
}
/* Next, we need to get the part header: Read until \r\n\r\n */
hbuf = buf + bl + 4;
hend = strstr(hbuf, "\r\n\r\n");
if (!hend) {
/* Malformed request */
return -1;
}
parse_http_headers(&hbuf, &part_header);
if ((hend + 2) != hbuf) {
/* Malformed request */
return -1;
}
/* Skip \r\n\r\n */
hend += 4;
/* According to the RFC, every part has to have a header field like:
* Content-Disposition: form-data; name="..." */
content_disp = get_header(&part_header, "Content-Disposition");
if (!content_disp) {
/* Malformed request */
return -1;
}
/* Get the mandatory name="..." part of the Content-Disposition
* header. */
nbeg = strstr(content_disp, "name=\"");
if (!nbeg) {
/* Malformed request */
return -1;
}
nbeg += 6;
nend = strchr(nbeg, '\"');
if (!nend) {
/* Malformed request */
return -1;
}
/* Get the optional filename="..." part of the Content-Disposition
* header. */
fbeg = strstr(content_disp, "filename=\"");
if (fbeg) {
fbeg += 10;
fend = strchr(fbeg, '\"');
if (!fend) {
/* Malformed request (the filename field is optional, but if
* it exists, it needs to be terminated correctly). */
return -1;
}
/* TODO: check Content-Type */
/* Content-Type: application/octet-stream */
} else {
fend = fbeg;
}
memset(path, 0, sizeof(path));
field_count++;
field_storage = url_encoded_field_found(conn,
nbeg,
(size_t)(nend - nbeg),
fbeg,
(size_t)(fend - fbeg),
path,
sizeof(path) - 1,
fdh);
/* If the boundary is already in the buffer, get the address,
* otherwise next will be NULL. */
next = search_boundary(hbuf,
(size_t)((buf - hbuf) + buf_fill),
boundary,
bl);
if (field_storage == FORM_FIELD_STORAGE_STORE) {
/* Store the content to a file */
if (mg_fopen(conn, path, "wb", &fstore) == 0) {
fstore.fp = NULL;
}
file_size = 0;
if (!fstore.fp) {
mg_cry(conn, "%s: Cannot create file %s", __func__, path);
}
}
get_block = 0;
while (!next) {
/* Set "towrite" to the number of bytes available
* in the buffer */
towrite = (size_t)(buf - hend + buf_fill);
/* Subtract the boundary length, to deal with
* cases the boundary is only partially stored
* in the buffer. */
towrite -= bl + 4;
if (field_storage == FORM_FIELD_STORAGE_GET) {
url_encoded_field_get(conn,
((get_block > 0) ? NULL : nbeg),
((get_block > 0)
? 0
: (size_t)(nend - nbeg)),
hend,
towrite,
fdh);
get_block++;
}
if (field_storage == FORM_FIELD_STORAGE_STORE) {
if (fstore.fp) {
/* Store the content of the buffer. */
n = (size_t)fwrite(hend, 1, towrite, fstore.fp);
if ((n != towrite) || (ferror(fstore.fp))) {
mg_cry(conn,
"%s: Cannot write file %s",
__func__,
path);
fclose(fstore.fp);
fstore.fp = NULL;
remove_bad_file(conn, path);
}
file_size += (int64_t)n;
}
}
memmove(buf, hend + towrite, bl + 4);
buf_fill = (int)(bl + 4);
hend = buf;
/* Read new data */
r = mg_read(conn,
buf + (size_t)buf_fill,
sizeof(buf) - 1 - (size_t)buf_fill);
if (r < 0) {
/* read error */
return -1;
}
buf_fill += r;
buf[buf_fill] = 0;
if (buf_fill < 1) {
/* No data */
return -1;
}
/* Find boundary */
next = search_boundary(buf, (size_t)buf_fill, boundary, bl);
}
towrite = (size_t)(next - hend);
if (field_storage == FORM_FIELD_STORAGE_GET) {
/* Call callback */
url_encoded_field_get(conn,
((get_block > 0) ? NULL : nbeg),
((get_block > 0) ? 0
: (size_t)(nend - nbeg)),
hend,
towrite,
fdh);
}
if (field_storage == FORM_FIELD_STORAGE_STORE) {
if (fstore.fp) {
n = (size_t)fwrite(hend, 1, towrite, fstore.fp);
if ((n != towrite) || (ferror(fstore.fp))) {
mg_cry(conn,
"%s: Cannot write file %s",
__func__,
path);
fclose(fstore.fp);
fstore.fp = NULL;
remove_bad_file(conn, path);
}
file_size += (int64_t)n;
}
}
if (field_storage == FORM_FIELD_STORAGE_STORE) {
if (fstore.fp) {
r = fclose(fstore.fp);
if (r == 0) {
/* stored successfully */
field_stored(conn, path, file_size, fdh);
} else {
mg_cry(conn,
"%s: Error saving file %s",
__func__,
path);
remove_bad_file(conn, path);
}
fstore.fp = NULL;
}
}
if ((field_storage & FORM_FIELD_STORAGE_ABORT)
== FORM_FIELD_STORAGE_ABORT) {
/* Stop parsing the request */
break;
}
/* Remove from the buffer */
used = next - buf + 2;
memmove(buf, buf + (size_t)used, sizeof(buf) - (size_t)used);
buf_fill -= (int)used;
}
/* All parts handled */
return field_count;
}
/* Unknown Content-Type */
return -1;
}

468
Plugson/src/Lib/libhttp/include/md5.inl
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/*
* This an amalgamation of md5.c and md5.h into a single file
* with all static declaration to reduce linker conflicts
* in Civetweb.
*
* The MD5_STATIC declaration was added to facilitate static
* inclusion.
* No Face Press, LLC
*/
/* $Id: md5.h,v 1.4 2002/04/13 19:20:28 lpd Exp $ */
/*
Independent implementation of MD5 (RFC 1321).
This code implements the MD5 Algorithm defined in RFC 1321, whose
text is available at
http://www.ietf.org/rfc/rfc1321.txt
The code is derived from the text of the RFC, including the test suite
(section A.5) but excluding the rest of Appendix A. It does not include
any code or documentation that is identified in the RFC as being
copyrighted.
The original and principal author of md5.h is L. Peter Deutsch
<ghost@aladdin.com>. Other authors are noted in the change history
that follows (in reverse chronological order):
2002-04-13 lpd Removed support for non-ANSI compilers; removed
references to Ghostscript; clarified derivation from RFC 1321;
now handles byte order either statically or dynamically.
1999-11-04 lpd Edited comments slightly for automatic TOC extraction.
1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5);
added conditionalization for C++ compilation from Martin
Purschke <purschke@bnl.gov>.
1999-05-03 lpd Original version.
*/
#ifndef md5_INCLUDED
#define md5_INCLUDED
/*
* This package supports both compile-time and run-time determination of CPU
* byte order. If ARCH_IS_BIG_ENDIAN is defined as 0, the code will be
* compiled to run only on little-endian CPUs; if ARCH_IS_BIG_ENDIAN is
* defined as non-zero, the code will be compiled to run only on big-endian
* CPUs; if ARCH_IS_BIG_ENDIAN is not defined, the code will be compiled to
* run on either big- or little-endian CPUs, but will run slightly less
* efficiently on either one than if ARCH_IS_BIG_ENDIAN is defined.
*/
typedef unsigned char md5_byte_t; /* 8-bit byte */
typedef unsigned int md5_word_t; /* 32-bit word */
/* Define the state of the MD5 Algorithm. */
typedef struct md5_state_s {
md5_word_t count[2]; /* message length in bits, lsw first */
md5_word_t abcd[4]; /* digest buffer */
md5_byte_t buf[64]; /* accumulate block */
} md5_state_t;
#ifdef __cplusplus
extern "C" {
#endif
/* Initialize the algorithm. */
MD5_STATIC void md5_init(md5_state_t *pms);
/* Append a string to the message. */
MD5_STATIC void
md5_append(md5_state_t *pms, const md5_byte_t *data, size_t nbytes);
/* Finish the message and return the digest. */
MD5_STATIC void md5_finish(md5_state_t *pms, md5_byte_t digest[16]);
#ifdef __cplusplus
} /* end extern "C" */
#endif
#endif /* md5_INCLUDED */
/*
Copyright (C) 1999, 2000, 2002 Aladdin Enterprises. All rights reserved.
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
L. Peter Deutsch
ghost@aladdin.com
*/
/* $Id: md5.c,v 1.6 2002/04/13 19:20:28 lpd Exp $ */
/*
Independent implementation of MD5 (RFC 1321).
This code implements the MD5 Algorithm defined in RFC 1321, whose
text is available at
http://www.ietf.org/rfc/rfc1321.txt
The code is derived from the text of the RFC, including the test suite
(section A.5) but excluding the rest of Appendix A. It does not include
any code or documentation that is identified in the RFC as being
copyrighted.
The original and principal author of md5.c is L. Peter Deutsch
<ghost@aladdin.com>. Other authors are noted in the change history
that follows (in reverse chronological order):
2002-04-13 lpd Clarified derivation from RFC 1321; now handles byte order
either statically or dynamically; added missing #include <string.h>
in library.
2002-03-11 lpd Corrected argument list for main(), and added int return
type, in test program and T value program.
2002-02-21 lpd Added missing #include <stdio.h> in test program.
2000-07-03 lpd Patched to eliminate warnings about "constant is
unsigned in ANSI C, signed in traditional"; made test program
self-checking.
1999-11-04 lpd Edited comments slightly for automatic TOC extraction.
1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5).
1999-05-03 lpd Original version.
*/
#ifndef MD5_STATIC
#include <string.h>
#endif
#undef BYTE_ORDER /* 1 = big-endian, -1 = little-endian, 0 = unknown */
#ifdef ARCH_IS_BIG_ENDIAN
#define BYTE_ORDER (ARCH_IS_BIG_ENDIAN ? 1 : -1)
#else
#define BYTE_ORDER (0)
#endif
#define T_MASK ((md5_word_t)~0)
#define T1 /* 0xd76aa478 */ (T_MASK ^ 0x28955b87)
#define T2 /* 0xe8c7b756 */ (T_MASK ^ 0x173848a9)
#define T3 (0x242070db)
#define T4 /* 0xc1bdceee */ (T_MASK ^ 0x3e423111)
#define T5 /* 0xf57c0faf */ (T_MASK ^ 0x0a83f050)
#define T6 (0x4787c62a)
#define T7 /* 0xa8304613 */ (T_MASK ^ 0x57cfb9ec)
#define T8 /* 0xfd469501 */ (T_MASK ^ 0x02b96afe)
#define T9 (0x698098d8)
#define T10 /* 0x8b44f7af */ (T_MASK ^ 0x74bb0850)
#define T11 /* 0xffff5bb1 */ (T_MASK ^ 0x0000a44e)
#define T12 /* 0x895cd7be */ (T_MASK ^ 0x76a32841)
#define T13 (0x6b901122)
#define T14 /* 0xfd987193 */ (T_MASK ^ 0x02678e6c)
#define T15 /* 0xa679438e */ (T_MASK ^ 0x5986bc71)
#define T16 (0x49b40821)
#define T17 /* 0xf61e2562 */ (T_MASK ^ 0x09e1da9d)
#define T18 /* 0xc040b340 */ (T_MASK ^ 0x3fbf4cbf)
#define T19 (0x265e5a51)
#define T20 /* 0xe9b6c7aa */ (T_MASK ^ 0x16493855)
#define T21 /* 0xd62f105d */ (T_MASK ^ 0x29d0efa2)
#define T22 (0x02441453)
#define T23 /* 0xd8a1e681 */ (T_MASK ^ 0x275e197e)
#define T24 /* 0xe7d3fbc8 */ (T_MASK ^ 0x182c0437)
#define T25 (0x21e1cde6)
#define T26 /* 0xc33707d6 */ (T_MASK ^ 0x3cc8f829)
#define T27 /* 0xf4d50d87 */ (T_MASK ^ 0x0b2af278)
#define T28 (0x455a14ed)
#define T29 /* 0xa9e3e905 */ (T_MASK ^ 0x561c16fa)
#define T30 /* 0xfcefa3f8 */ (T_MASK ^ 0x03105c07)
#define T31 (0x676f02d9)
#define T32 /* 0x8d2a4c8a */ (T_MASK ^ 0x72d5b375)
#define T33 /* 0xfffa3942 */ (T_MASK ^ 0x0005c6bd)
#define T34 /* 0x8771f681 */ (T_MASK ^ 0x788e097e)
#define T35 (0x6d9d6122)
#define T36 /* 0xfde5380c */ (T_MASK ^ 0x021ac7f3)
#define T37 /* 0xa4beea44 */ (T_MASK ^ 0x5b4115bb)
#define T38 (0x4bdecfa9)
#define T39 /* 0xf6bb4b60 */ (T_MASK ^ 0x0944b49f)
#define T40 /* 0xbebfbc70 */ (T_MASK ^ 0x4140438f)
#define T41 (0x289b7ec6)
#define T42 /* 0xeaa127fa */ (T_MASK ^ 0x155ed805)
#define T43 /* 0xd4ef3085 */ (T_MASK ^ 0x2b10cf7a)
#define T44 (0x04881d05)
#define T45 /* 0xd9d4d039 */ (T_MASK ^ 0x262b2fc6)
#define T46 /* 0xe6db99e5 */ (T_MASK ^ 0x1924661a)
#define T47 (0x1fa27cf8)
#define T48 /* 0xc4ac5665 */ (T_MASK ^ 0x3b53a99a)
#define T49 /* 0xf4292244 */ (T_MASK ^ 0x0bd6ddbb)
#define T50 (0x432aff97)
#define T51 /* 0xab9423a7 */ (T_MASK ^ 0x546bdc58)
#define T52 /* 0xfc93a039 */ (T_MASK ^ 0x036c5fc6)
#define T53 (0x655b59c3)
#define T54 /* 0x8f0ccc92 */ (T_MASK ^ 0x70f3336d)
#define T55 /* 0xffeff47d */ (T_MASK ^ 0x00100b82)
#define T56 /* 0x85845dd1 */ (T_MASK ^ 0x7a7ba22e)
#define T57 (0x6fa87e4f)
#define T58 /* 0xfe2ce6e0 */ (T_MASK ^ 0x01d3191f)
#define T59 /* 0xa3014314 */ (T_MASK ^ 0x5cfebceb)
#define T60 (0x4e0811a1)
#define T61 /* 0xf7537e82 */ (T_MASK ^ 0x08ac817d)
#define T62 /* 0xbd3af235 */ (T_MASK ^ 0x42c50dca)
#define T63 (0x2ad7d2bb)
#define T64 /* 0xeb86d391 */ (T_MASK ^ 0x14792c6e)
static void
md5_process(md5_state_t *pms, const md5_byte_t *data /*[64]*/)
{
md5_word_t a = pms->abcd[0], b = pms->abcd[1], c = pms->abcd[2],
d = pms->abcd[3];
md5_word_t t;
#if BYTE_ORDER > 0
/* Define storage only for big-endian CPUs. */
md5_word_t X[16];
#else
/* Define storage for little-endian or both types of CPUs. */
md5_word_t xbuf[16];
const md5_word_t *X;
#endif
{
#if BYTE_ORDER == 0
/*
* Determine dynamically whether this is a big-endian or
* little-endian machine, since we can use a more efficient
* algorithm on the latter.
*/
static const int w = 1;
if (*((const md5_byte_t *)&w)) /* dynamic little-endian */
#endif
#if BYTE_ORDER <= 0 /* little-endian */
{
/*
* On little-endian machines, we can process properly aligned
* data without copying it.
*/
if (!((data - (const md5_byte_t *)0) & 3)) {
/* data are properly aligned, a direct assignment is possible */
/* cast through a (void *) should avoid a compiler warning,
see
https://github.com/bel2125/civetweb/issues/94#issuecomment-98112861
*/
X = (const md5_word_t *)(const void *)data;
} else {
/* not aligned */
memcpy(xbuf, data, 64);
X = xbuf;
}
}
#endif
#if BYTE_ORDER == 0
else /* dynamic big-endian */
#endif
#if BYTE_ORDER >= 0 /* big-endian */
{
/*
* On big-endian machines, we must arrange the bytes in the
* right order.
*/
const md5_byte_t *xp = data;
int i;
#if BYTE_ORDER == 0
X = xbuf; /* (dynamic only) */
#else
#define xbuf X /* (static only) */
#endif
for (i = 0; i < 16; ++i, xp += 4)
xbuf[i] = (md5_word_t)(xp[0]) + (md5_word_t)(xp[1] << 8)
+ (md5_word_t)(xp[2] << 16)
+ (md5_word_t)(xp[3] << 24);
}
#endif
}
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
/* Round 1. */
/* Let [abcd k s i] denote the operation
a = b + ((a + F(b,c,d) + X[k] + T[i]) <<< s). */
#define F(x, y, z) (((x) & (y)) | (~(x) & (z)))
#define SET(a, b, c, d, k, s, Ti) \
t = a + F(b, c, d) + X[k] + Ti; \
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 0, 7, T1);
SET(d, a, b, c, 1, 12, T2);
SET(c, d, a, b, 2, 17, T3);
SET(b, c, d, a, 3, 22, T4);
SET(a, b, c, d, 4, 7, T5);
SET(d, a, b, c, 5, 12, T6);
SET(c, d, a, b, 6, 17, T7);
SET(b, c, d, a, 7, 22, T8);
SET(a, b, c, d, 8, 7, T9);
SET(d, a, b, c, 9, 12, T10);
SET(c, d, a, b, 10, 17, T11);
SET(b, c, d, a, 11, 22, T12);
SET(a, b, c, d, 12, 7, T13);
SET(d, a, b, c, 13, 12, T14);
SET(c, d, a, b, 14, 17, T15);
SET(b, c, d, a, 15, 22, T16);
#undef SET
/* Round 2. */
/* Let [abcd k s i] denote the operation
a = b + ((a + G(b,c,d) + X[k] + T[i]) <<< s). */
#define G(x, y, z) (((x) & (z)) | ((y) & ~(z)))
#define SET(a, b, c, d, k, s, Ti) \
t = a + G(b, c, d) + X[k] + Ti; \
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 1, 5, T17);
SET(d, a, b, c, 6, 9, T18);
SET(c, d, a, b, 11, 14, T19);
SET(b, c, d, a, 0, 20, T20);
SET(a, b, c, d, 5, 5, T21);
SET(d, a, b, c, 10, 9, T22);
SET(c, d, a, b, 15, 14, T23);
SET(b, c, d, a, 4, 20, T24);
SET(a, b, c, d, 9, 5, T25);
SET(d, a, b, c, 14, 9, T26);
SET(c, d, a, b, 3, 14, T27);
SET(b, c, d, a, 8, 20, T28);
SET(a, b, c, d, 13, 5, T29);
SET(d, a, b, c, 2, 9, T30);
SET(c, d, a, b, 7, 14, T31);
SET(b, c, d, a, 12, 20, T32);
#undef SET
/* Round 3. */
/* Let [abcd k s t] denote the operation
a = b + ((a + H(b,c,d) + X[k] + T[i]) <<< s). */
#define H(x, y, z) ((x) ^ (y) ^ (z))
#define SET(a, b, c, d, k, s, Ti) \
t = a + H(b, c, d) + X[k] + Ti; \
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 5, 4, T33);
SET(d, a, b, c, 8, 11, T34);
SET(c, d, a, b, 11, 16, T35);
SET(b, c, d, a, 14, 23, T36);
SET(a, b, c, d, 1, 4, T37);
SET(d, a, b, c, 4, 11, T38);
SET(c, d, a, b, 7, 16, T39);
SET(b, c, d, a, 10, 23, T40);
SET(a, b, c, d, 13, 4, T41);
SET(d, a, b, c, 0, 11, T42);
SET(c, d, a, b, 3, 16, T43);
SET(b, c, d, a, 6, 23, T44);
SET(a, b, c, d, 9, 4, T45);
SET(d, a, b, c, 12, 11, T46);
SET(c, d, a, b, 15, 16, T47);
SET(b, c, d, a, 2, 23, T48);
#undef SET
/* Round 4. */
/* Let [abcd k s t] denote the operation
a = b + ((a + I(b,c,d) + X[k] + T[i]) <<< s). */
#define I(x, y, z) ((y) ^ ((x) | ~(z)))
#define SET(a, b, c, d, k, s, Ti) \
t = a + I(b, c, d) + X[k] + Ti; \
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 0, 6, T49);
SET(d, a, b, c, 7, 10, T50);
SET(c, d, a, b, 14, 15, T51);
SET(b, c, d, a, 5, 21, T52);
SET(a, b, c, d, 12, 6, T53);
SET(d, a, b, c, 3, 10, T54);
SET(c, d, a, b, 10, 15, T55);
SET(b, c, d, a, 1, 21, T56);
SET(a, b, c, d, 8, 6, T57);
SET(d, a, b, c, 15, 10, T58);
SET(c, d, a, b, 6, 15, T59);
SET(b, c, d, a, 13, 21, T60);
SET(a, b, c, d, 4, 6, T61);
SET(d, a, b, c, 11, 10, T62);
SET(c, d, a, b, 2, 15, T63);
SET(b, c, d, a, 9, 21, T64);
#undef SET
/* Then perform the following additions. (That is increment each
of the four registers by the value it had before this block
was started.) */
pms->abcd[0] += a;
pms->abcd[1] += b;
pms->abcd[2] += c;
pms->abcd[3] += d;
}
MD5_STATIC void
md5_init(md5_state_t *pms)
{
pms->count[0] = pms->count[1] = 0;
pms->abcd[0] = 0x67452301;
pms->abcd[1] = /*0xefcdab89*/ T_MASK ^ 0x10325476;
pms->abcd[2] = /*0x98badcfe*/ T_MASK ^ 0x67452301;
pms->abcd[3] = 0x10325476;
}
MD5_STATIC void
md5_append(md5_state_t *pms, const md5_byte_t *data, size_t nbytes)
{
const md5_byte_t *p = data;
size_t left = nbytes;
size_t offset = (pms->count[0] >> 3) & 63;
md5_word_t nbits = (md5_word_t)(nbytes << 3);
if (nbytes <= 0)
return;
/* Update the message length. */
pms->count[1] += (md5_word_t)(nbytes >> 29);
pms->count[0] += nbits;
if (pms->count[0] < nbits)
pms->count[1]++;
/* Process an initial partial block. */
if (offset) {
size_t copy = (offset + nbytes > 64 ? 64 - offset : nbytes);
memcpy(pms->buf + offset, p, copy);
if (offset + copy < 64)
return;
p += copy;
left -= copy;
md5_process(pms, pms->buf);
}
/* Process full blocks. */
for (; left >= 64; p += 64, left -= 64)
md5_process(pms, p);
/* Process a final partial block. */
if (left)
memcpy(pms->buf, p, left);
}
MD5_STATIC void
md5_finish(md5_state_t *pms, md5_byte_t digest[16])
{
static const md5_byte_t pad[64] = {0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
md5_byte_t data[8];
int i;
/* Save the length before padding. */
for (i = 0; i < 8; ++i)
data[i] = (md5_byte_t)(pms->count[i >> 2] >> ((i & 3) << 3));
/* Pad to 56 bytes mod 64. */
md5_append(pms, pad, ((55 - (pms->count[0] >> 3)) & 63) + 1);
/* Append the length. */
md5_append(pms, data, 8);
for (i = 0; i < 16; ++i)
digest[i] = (md5_byte_t)(pms->abcd[i >> 2] >> ((i & 3) << 3));
}

250
Plugson/src/Lib/libhttp/include/mod_duktape.inl
Unescape Escape View File

@ -0,0 +1,250 @@
/* This file is part of the CivetWeb web server.
* See https://github.com/civetweb/civetweb/
* (C) 2015 by the CivetWeb authors, MIT license.
*/
#include "duktape.h"
/* TODO: the mg context should be added to duktape as well */
/* Alternative: redefine a new, clean API from scratch (instead of using mg),
* or at least do not add problematic functions. */
/* For evaluation purposes, currently only "send" is supported.
* All other ~50 functions will be added later. */
/* Note: This is only experimental support, so the API may still change. */
static const char *civetweb_conn_id = "\xFF"
"civetweb_conn";
static const char *civetweb_ctx_id = "\xFF"
"civetweb_ctx";
static void *
mg_duk_mem_alloc(void *udata, duk_size_t size)
{
return mg_malloc(size);
}
static void *
mg_duk_mem_realloc(void *udata, void *ptr, duk_size_t newsize)
{
return mg_realloc(ptr, newsize);
}
static void
mg_duk_mem_free(void *udata, void *ptr)
{
mg_free(ptr);
}
static void
mg_duk_fatal_handler(duk_context *ctx, duk_errcode_t code, const char *msg)
{
/* Script is called "protected" (duk_peval_file), so script errors should
* never yield in a call to this function. Maybe calls prior to executing
* the script could raise a fatal error. */
struct mg_connection *conn;
duk_push_global_stash(ctx);
duk_get_prop_string(ctx, -1, civetweb_conn_id);
conn = (struct mg_connection *)duk_to_pointer(ctx, -1);
mg_cry(conn, "%s", msg);
}
static duk_ret_t
duk_itf_write(duk_context *ctx)
{
struct mg_connection *conn;
duk_double_t ret;
duk_size_t len = 0;
const char *val = duk_require_lstring(ctx, -1, &len);
/*
duk_push_global_stash(ctx);
duk_get_prop_string(ctx, -1, civetweb_conn_id);
conn = (struct mg_connection *)duk_to_pointer(ctx, -1);
*/
duk_push_current_function(ctx);
duk_get_prop_string(ctx, -1, civetweb_conn_id);
conn = (struct mg_connection *)duk_to_pointer(ctx, -1);
if (!conn) {
duk_error(ctx,
DUK_ERR_INTERNAL_ERROR,
"function not available without connection object");
/* probably never reached, but satisfies static code analysis */
return DUK_RET_INTERNAL_ERROR;
}
ret = mg_write(conn, val, len);
duk_push_number(ctx, ret);
return 1;
}
static duk_ret_t
duk_itf_read(duk_context *ctx)
{
struct mg_connection *conn;
char buf[1024];
int len;
duk_push_global_stash(ctx);
duk_get_prop_string(ctx, -1, civetweb_conn_id);
conn = (struct mg_connection *)duk_to_pointer(ctx, -1);
if (!conn) {
duk_error(ctx,
DUK_ERR_INTERNAL_ERROR,
"function not available without connection object");
/* probably never reached, but satisfies static code analysis */
return DUK_RET_INTERNAL_ERROR;
}
len = mg_read(conn, buf, sizeof(buf));
duk_push_lstring(ctx, buf, len);
return 1;
}
static duk_ret_t
duk_itf_getoption(duk_context *ctx)
{
struct mg_context *cv_ctx;
const char *ret;
duk_size_t len = 0;
const char *val = duk_require_lstring(ctx, -1, &len);
duk_push_current_function(ctx);
duk_get_prop_string(ctx, -1, civetweb_ctx_id);
cv_ctx = (struct mg_context *)duk_to_pointer(ctx, -1);
if (!cv_ctx) {
duk_error(ctx,
DUK_ERR_INTERNAL_ERROR,
"function not available without connection object");
/* probably never reached, but satisfies static code analysis */
return DUK_RET_INTERNAL_ERROR;
}
ret = mg_get_option(cv_ctx, val);
if (ret) {
duk_push_string(ctx, ret);
} else {
duk_push_null(ctx);
}
return 1;
}
static void
mg_exec_duktape_script(struct mg_connection *conn, const char *script_name)
{
int i;
duk_context *ctx = NULL;
conn->must_close = 1;
/* Create Duktape interpreter state */
ctx = duk_create_heap(mg_duk_mem_alloc,
mg_duk_mem_realloc,
mg_duk_mem_free,
NULL,
mg_duk_fatal_handler);
if (!ctx) {
mg_cry(conn, "Failed to create a Duktape heap.");
goto exec_duktape_finished;
}
/* Add "conn" object */
duk_push_global_object(ctx);
duk_push_object(ctx); /* create a new table/object ("conn") */
duk_push_c_function(ctx, duk_itf_write, 1 /* 1 = nargs */);
duk_push_pointer(ctx, (void *)conn);
duk_put_prop_string(ctx, -2, civetweb_conn_id);
duk_put_prop_string(ctx, -2, "write"); /* add function conn.write */
duk_push_c_function(ctx, duk_itf_read, 0 /* 0 = nargs */);
duk_push_pointer(ctx, (void *)conn);
duk_put_prop_string(ctx, -2, civetweb_conn_id);
duk_put_prop_string(ctx, -2, "read"); /* add function conn.read */
duk_push_string(ctx, conn->request_info.request_method);
duk_put_prop_string(ctx, -2, "request_method"); /* add string conn.r... */
duk_push_string(ctx, conn->request_info.request_uri);
duk_put_prop_string(ctx, -2, "request_uri");
duk_push_string(ctx, conn->request_info.local_uri);
duk_put_prop_string(ctx, -2, "uri");
duk_push_string(ctx, conn->request_info.http_version);
duk_put_prop_string(ctx, -2, "http_version");
duk_push_string(ctx, conn->request_info.query_string);
duk_put_prop_string(ctx, -2, "query_string");
duk_push_string(ctx, conn->request_info.remote_addr);
duk_put_prop_string(ctx, -2, "remote_addr");
duk_push_int(ctx, conn->request_info.remote_port);
duk_put_prop_string(ctx, -2, "remote_port");
duk_push_int(ctx, ntohs(conn->client.lsa.sin.sin_port));
duk_put_prop_string(ctx, -2, "server_port");
duk_push_object(ctx); /* subfolder "conn.http_headers" */
for (i = 0; i < conn->request_info.num_headers; i++) {
duk_push_string(ctx, conn->request_info.http_headers[i].value);
duk_put_prop_string(ctx, -2, conn->request_info.http_headers[i].name);
}
duk_put_prop_string(ctx, -2, "http_headers");
duk_put_prop_string(ctx, -2, "conn"); /* call the table "conn" */
/* Add "civetweb" object */
duk_push_global_object(ctx);
duk_push_object(ctx); /* create a new table/object ("conn") */
duk_push_string(ctx, CIVETWEB_VERSION);
duk_put_prop_string(ctx, -2, "version");
duk_push_string(ctx, script_name);
duk_put_prop_string(ctx, -2, "script_name");
if (conn->ctx != NULL) {
duk_push_c_function(ctx, duk_itf_getoption, 1 /* 1 = nargs */);
duk_push_pointer(ctx, (void *)(conn->ctx));
duk_put_prop_string(ctx, -2, civetweb_ctx_id);
duk_put_prop_string(ctx, -2, "getoption"); /* add function conn.write */
if (conn->ctx->systemName != NULL) {
duk_push_string(ctx, conn->ctx->systemName);
duk_put_prop_string(ctx, -2, "system");
}
}
duk_put_prop_string(ctx, -2, "civetweb"); /* call the table "civetweb" */
duk_push_global_stash(ctx);
duk_push_pointer(ctx, (void *)conn);
duk_put_prop_string(ctx, -2, civetweb_conn_id);
if (duk_peval_file(ctx, script_name) != 0) {
mg_cry(conn, "%s", duk_safe_to_string(ctx, -1));
goto exec_duktape_finished;
}
duk_pop(ctx); /* ignore result */
exec_duktape_finished:
duk_destroy_heap(ctx);
}

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#if !defined(MAX_TIMERS)
#define MAX_TIMERS MAX_WORKER_THREADS
#endif
typedef int (*taction)(void *arg);
struct ttimer {
double time;
double period;
taction action;
void *arg;
};
struct ttimers {
pthread_t threadid; /* Timer thread ID */
pthread_mutex_t mutex; /* Protects timer lists */
struct ttimer timers[MAX_TIMERS]; /* List of timers */
unsigned timer_count; /* Current size of timer list */
};
static int
timer_add(struct mg_context *ctx,
double next_time,
double period,
int is_relative,
taction action,
void *arg)
{
unsigned u, v;
int error = 0;
struct timespec now;
if (ctx->stop_flag) {
return 0;
}
if (is_relative) {
clock_gettime(CLOCK_MONOTONIC, &now);
next_time += now.tv_sec;
next_time += now.tv_nsec * 1.0E-9;
}
pthread_mutex_lock(&ctx->timers->mutex);
if (ctx->timers->timer_count == MAX_TIMERS) {
error = 1;
} else {
for (u = 0; u < ctx->timers->timer_count; u++) {
if (ctx->timers->timers[u].time < next_time) {
for (v = ctx->timers->timer_count; v > u; v--) {
ctx->timers->timers[v] = ctx->timers->timers[v - 1];
}
break;
}
}
ctx->timers->timers[u].time = next_time;
ctx->timers->timers[u].period = period;
ctx->timers->timers[u].action = action;
ctx->timers->timers[u].arg = arg;
ctx->timers->timer_count++;
}
pthread_mutex_unlock(&ctx->timers->mutex);
return error;
}
static void
timer_thread_run(void *thread_func_param)
{
struct mg_context *ctx = (struct mg_context *)thread_func_param;
struct timespec now;
double d;
unsigned u;
int re_schedule;
struct ttimer t;
mg_set_thread_name("timer");
if (ctx->callbacks.init_thread) {
/* Timer thread */
ctx->callbacks.init_thread(ctx, 2);
}
#if defined(HAVE_CLOCK_NANOSLEEP) /* Linux with librt */
/* TODO */
while (clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &request, &request)
== EINTR) { /*nop*/
;
}
#else
clock_gettime(CLOCK_MONOTONIC, &now);
d = (double)now.tv_sec + (double)now.tv_nsec * 1.0E-9;
while (ctx->stop_flag == 0) {
pthread_mutex_lock(&ctx->timers->mutex);
if (ctx->timers->timer_count > 0 && d >= ctx->timers->timers[0].time) {
t = ctx->timers->timers[0];
for (u = 1; u < ctx->timers->timer_count; u++) {
ctx->timers->timers[u - 1] = ctx->timers->timers[u];
}
ctx->timers->timer_count--;
pthread_mutex_unlock(&ctx->timers->mutex);
re_schedule = t.action(t.arg);
if (re_schedule && (t.period > 0)) {
timer_add(ctx, t.time + t.period, t.period, 0, t.action, t.arg);
}
continue;
} else {
pthread_mutex_unlock(&ctx->timers->mutex);
}
mg_sleep(1);
clock_gettime(CLOCK_MONOTONIC, &now);
d = (double)now.tv_sec + (double)now.tv_nsec * 1.0E-9;
}
#endif
}
#ifdef _WIN32
static unsigned __stdcall timer_thread(void *thread_func_param)
{
timer_thread_run(thread_func_param);
return 0;
}
#else
static void *
timer_thread(void *thread_func_param)
{
timer_thread_run(thread_func_param);
return NULL;
}
#endif /* _WIN32 */
static int
timers_init(struct mg_context *ctx)
{
ctx->timers = (struct ttimers *)mg_calloc(sizeof(struct ttimers), 1);
(void)pthread_mutex_init(&ctx->timers->mutex, NULL);
/* Start timer thread */
mg_start_thread_with_id(timer_thread, ctx, &ctx->timers->threadid);
return 0;
}
static void
timers_exit(struct mg_context *ctx)
{
if (ctx->timers) {
(void)pthread_mutex_destroy(&ctx->timers->mutex);
mg_free(ctx->timers);
}
}

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Licensing of XZ Embedded
========================
All the files in this package have been written by Lasse Collin
and/or Igor Pavlov. All these files have been put into the
public domain. You can do whatever you want with these files.
As usual, this software is provided "as is", without any warranty.

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XZ Embedded
===========
XZ Embedded is a relatively small, limited implementation of the .xz
file format. Currently only decoding is implemented.
XZ Embedded was written for use in the Linux kernel, but the code can
be easily used in other environments too, including regular userspace
applications. See userspace/xzminidec.c for an example program.
This README contains information that is useful only when the copy
of XZ Embedded isn't part of the Linux kernel tree. You should also
read linux/Documentation/xz.txt even if you aren't using XZ Embedded
as part of Linux; information in that file is not repeated in this
README.
Compiling the Linux kernel module
The xz_dec module depends on crc32 module, so make sure that you have
it enabled (CONFIG_CRC32).
Building the xz_dec and xz_dec_test modules without support for BCJ
filters:
cd linux/lib/xz
make -C /path/to/kernel/source \
KCPPFLAGS=-I"$(pwd)/../../include" M="$(pwd)" \
CONFIG_XZ_DEC=m CONFIG_XZ_DEC_TEST=m
Building the xz_dec and xz_dec_test modules with support for BCJ
filters:
cd linux/lib/xz
make -C /path/to/kernel/source \
KCPPFLAGS=-I"$(pwd)/../../include" M="$(pwd)" \
CONFIG_XZ_DEC=m CONFIG_XZ_DEC_TEST=m CONFIG_XZ_DEC_BCJ=y \
CONFIG_XZ_DEC_X86=y CONFIG_XZ_DEC_POWERPC=y \
CONFIG_XZ_DEC_IA64=y CONFIG_XZ_DEC_ARM=y \
CONFIG_XZ_DEC_ARMTHUMB=y CONFIG_XZ_DEC_SPARC=y
If you want only one or a few of the BCJ filters, omit the appropriate
variables. CONFIG_XZ_DEC_BCJ=y is always required to build the support
code shared between all BCJ filters.
Most people don't need the xz_dec_test module. You can skip building
it by omitting CONFIG_XZ_DEC_TEST=m from the make command line.
Compiler requirements
XZ Embedded should compile as either GNU-C89 (used in the Linux
kernel) or with any C99 compiler. Getting the code to compile with
non-GNU C89 compiler or a C++ compiler should be quite easy as
long as there is a data type for unsigned 64-bit integer (or the
code is modified not to support large files, which needs some more
care than just using 32-bit integer instead of 64-bit).
If you use GCC, try to use a recent version. For example, on x86-32,
xz_dec_lzma2.c compiled with GCC 3.3.6 is 15-25 % slower than when
compiled with GCC 4.3.3.
Embedding into userspace applications
To embed the XZ decoder, copy the following files into a single
directory in your source code tree:
linux/include/linux/xz.h
linux/lib/xz/xz_crc32.c
linux/lib/xz/xz_dec_lzma2.c
linux/lib/xz/xz_dec_stream.c
linux/lib/xz/xz_lzma2.h
linux/lib/xz/xz_private.h
linux/lib/xz/xz_stream.h
userspace/xz_config.h
Alternatively, xz.h may be placed into a different directory but then
that directory must be in the compiler include path when compiling
the .c files.
Your code should use only the functions declared in xz.h. The rest of
the .h files are meant only for internal use in XZ Embedded.
You may want to modify xz_config.h to be more suitable for your build
environment. Probably you should at least skim through it even if the
default file works as is.
Integrity check support
XZ Embedded always supports the integrity check types None and
CRC32. Support for CRC64 is optional. SHA-256 is currently not
supported in XZ Embedded although the .xz format does support it.
The xz tool from XZ Utils uses CRC64 by default, but CRC32 is usually
enough in embedded systems to keep the code size smaller.
If you want support for CRC64, you need to copy linux/lib/xz/xz_crc64.c
into your application, and #define XZ_USE_CRC64 in xz_config.h or in
compiler flags.
When using the internal CRC32 or CRC64, their lookup tables need to be
initialized with xz_crc32_init() and xz_crc64_init(), respectively.
See xz.h for details.
To use external CRC32 or CRC64 code instead of the code from
xz_crc32.c or xz_crc64.c, the following #defines may be used
in xz_config.h or in compiler flags:
#define XZ_INTERNAL_CRC32 0
#define XZ_INTERNAL_CRC64 0
Then it is up to you to provide compatible xz_crc32() or xz_crc64()
functions.
If the .xz file being decompressed uses an integrity check type that
isn't supported by XZ Embedded, it is treated as an error and the
file cannot be decompressed. For multi-call mode, this can be modified
by #defining XZ_DEC_ANY_CHECK. Then xz_dec_run() will return
XZ_UNSUPPORTED_CHECK when unsupported check type is detected. After
that decompression can be continued normally except that the
integrity check won't be verified. In single-call mode there's
no way to continue decoding, so XZ_DEC_ANY_CHECK is almost useless
in single-call mode.
BCJ filter support
If you want support for one or more BCJ filters, you need to copy also
linux/lib/xz/xz_dec_bcj.c into your application, and use appropriate
#defines in xz_config.h or in compiler flags. You don't need these
#defines in the code that just uses XZ Embedded via xz.h, but having
them always #defined doesn't hurt either.
#define Instruction set BCJ filter endianness
XZ_DEC_X86 x86-32 or x86-64 Little endian only
XZ_DEC_POWERPC PowerPC Big endian only
XZ_DEC_IA64 Itanium (IA-64) Big or little endian
XZ_DEC_ARM ARM Little endian only
XZ_DEC_ARMTHUMB ARM-Thumb Little endian only
XZ_DEC_SPARC SPARC Big or little endian
While some architectures are (partially) bi-endian, the endianness
setting doesn't change the endianness of the instructions on all
architectures. That's why Itanium and SPARC filters work for both big
and little endian executables (Itanium has little endian instructions
and SPARC has big endian instructions).
There currently is no filter for little endian PowerPC or big endian
ARM or ARM-Thumb. Implementing filters for them can be considered if
there is a need for such filters in real-world applications.
Notes about shared libraries
If you are including XZ Embedded into a shared library, you very
probably should rename the xz_* functions to prevent symbol
conflicts in case your library is linked against some other library
or application that also has XZ Embedded in it (which may even be
a different version of XZ Embedded). TODO: Provide an easy way
to do this.
Please don't create a shared library of XZ Embedded itself unless
it is fine to rebuild everything depending on that shared library
everytime you upgrade to a newer version of XZ Embedded. There are
no API or ABI stability guarantees between different versions of
XZ Embedded.

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XZ data compression in Linux
============================
Introduction
XZ is a general purpose data compression format with high compression
ratio and relatively fast decompression. The primary compression
algorithm (filter) is LZMA2. Additional filters can be used to improve
compression ratio even further. E.g. Branch/Call/Jump (BCJ) filters
improve compression ratio of executable data.
The XZ decompressor in Linux is called XZ Embedded. It supports
the LZMA2 filter and optionally also BCJ filters. CRC32 is supported
for integrity checking. The home page of XZ Embedded is at
<http://tukaani.org/xz/embedded.html>, where you can find the
latest version and also information about using the code outside
the Linux kernel.
For userspace, XZ Utils provide a zlib-like compression library
and a gzip-like command line tool. XZ Utils can be downloaded from
<http://tukaani.org/xz/>.
XZ related components in the kernel
The xz_dec module provides XZ decompressor with single-call (buffer
to buffer) and multi-call (stateful) APIs. The usage of the xz_dec
module is documented in include/linux/xz.h.
The xz_dec_test module is for testing xz_dec. xz_dec_test is not
useful unless you are hacking the XZ decompressor. xz_dec_test
allocates a char device major dynamically to which one can write
.xz files from userspace. The decompressed output is thrown away.
Keep an eye on dmesg to see diagnostics printed by xz_dec_test.
See the xz_dec_test source code for the details.
For decompressing the kernel image, initramfs, and initrd, there
is a wrapper function in lib/decompress_unxz.c. Its API is the
same as in other decompress_*.c files, which is defined in
include/linux/decompress/generic.h.
scripts/xz_wrap.sh is a wrapper for the xz command line tool found
from XZ Utils. The wrapper sets compression options to values suitable
for compressing the kernel image.
For kernel makefiles, two commands are provided for use with
$(call if_needed). The kernel image should be compressed with
$(call if_needed,xzkern) which will use a BCJ filter and a big LZMA2
dictionary. It will also append a four-byte trailer containing the
uncompressed size of the file, which is needed by the boot code.
Other things should be compressed with $(call if_needed,xzmisc)
which will use no BCJ filter and 1 MiB LZMA2 dictionary.
Notes on compression options
Since the XZ Embedded supports only streams with no integrity check or
CRC32, make sure that you don't use some other integrity check type
when encoding files that are supposed to be decoded by the kernel. With
liblzma, you need to use either LZMA_CHECK_NONE or LZMA_CHECK_CRC32
when encoding. With the xz command line tool, use --check=none or
--check=crc32.
Using CRC32 is strongly recommended unless there is some other layer
which will verify the integrity of the uncompressed data anyway.
Double checking the integrity would probably be waste of CPU cycles.
Note that the headers will always have a CRC32 which will be validated
by the decoder; you can only change the integrity check type (or
disable it) for the actual uncompressed data.
In userspace, LZMA2 is typically used with dictionary sizes of several
megabytes. The decoder needs to have the dictionary in RAM, thus big
dictionaries cannot be used for files that are intended to be decoded
by the kernel. 1 MiB is probably the maximum reasonable dictionary
size for in-kernel use (maybe more is OK for initramfs). The presets
in XZ Utils may not be optimal when creating files for the kernel,
so don't hesitate to use custom settings. Example:
xz --check=crc32 --lzma2=dict=512KiB inputfile
An exception to above dictionary size limitation is when the decoder
is used in single-call mode. Decompressing the kernel itself is an
example of this situation. In single-call mode, the memory usage
doesn't depend on the dictionary size, and it is perfectly fine to
use a big dictionary: for maximum compression, the dictionary should
be at least as big as the uncompressed data itself.
Future plans
Creating a limited XZ encoder may be considered if people think it is
useful. LZMA2 is slower to compress than e.g. Deflate or LZO even at
the fastest settings, so it isn't clear if LZMA2 encoder is wanted
into the kernel.
Support for limited random-access reading is planned for the
decompression code. I don't know if it could have any use in the
kernel, but I know that it would be useful in some embedded projects
outside the Linux kernel.
Conformance to the .xz file format specification
There are a couple of corner cases where things have been simplified
at expense of detecting errors as early as possible. These should not
matter in practice all, since they don't cause security issues. But
it is good to know this if testing the code e.g. with the test files
from XZ Utils.
Reporting bugs
Before reporting a bug, please check that it's not fixed already
at upstream. See <http://tukaani.org/xz/embedded.html> to get the
latest code.
Report bugs to <lasse.collin@tukaani.org> or visit #tukaani on
Freenode and talk to Larhzu. I don't actively read LKML or other
kernel-related mailing lists, so if there's something I should know,
you should email to me personally or use IRC.
Don't bother Igor Pavlov with questions about the XZ implementation
in the kernel or about XZ Utils. While these two implementations
include essential code that is directly based on Igor Pavlov's code,
these implementations aren't maintained nor supported by him.

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/*
* Wrapper for decompressing XZ-compressed kernel, initramfs, and initrd
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#ifndef DECOMPRESS_UNXZ_H
#define DECOMPRESS_UNXZ_H
int unxz(unsigned char *in, int in_size,
int (*fill)(void *dest, unsigned int size),
int (*flush)(void *src, unsigned int size),
unsigned char *out, int *in_used,
void (*error)(char *x));
#endif

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/*
* XZ decompressor
*
* Authors: Lasse Collin <lasse.collin@tukaani.org>
* Igor Pavlov <http://7-zip.org/>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#ifndef XZ_H
#define XZ_H
#ifdef __KERNEL__
# include <linux/stddef.h>
# include <linux/types.h>
#else
# include <stddef.h>
# include <stdint.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* In Linux, this is used to make extern functions static when needed. */
#ifndef XZ_EXTERN
# define XZ_EXTERN extern
#endif
/**
* enum xz_mode - Operation mode
*
* @XZ_SINGLE: Single-call mode. This uses less RAM than
* than multi-call modes, because the LZMA2
* dictionary doesn't need to be allocated as
* part of the decoder state. All required data
* structures are allocated at initialization,
* so xz_dec_run() cannot return XZ_MEM_ERROR.
* @XZ_PREALLOC: Multi-call mode with preallocated LZMA2
* dictionary buffer. All data structures are
* allocated at initialization, so xz_dec_run()
* cannot return XZ_MEM_ERROR.
* @XZ_DYNALLOC: Multi-call mode. The LZMA2 dictionary is
* allocated once the required size has been
* parsed from the stream headers. If the
* allocation fails, xz_dec_run() will return
* XZ_MEM_ERROR.
*
* It is possible to enable support only for a subset of the above
* modes at compile time by defining XZ_DEC_SINGLE, XZ_DEC_PREALLOC,
* or XZ_DEC_DYNALLOC. The xz_dec kernel module is always compiled
* with support for all operation modes, but the preboot code may
* be built with fewer features to minimize code size.
*/
enum xz_mode {
XZ_SINGLE,
XZ_PREALLOC,
XZ_DYNALLOC
};
/**
* enum xz_ret - Return codes
* @XZ_OK: Everything is OK so far. More input or more
* output space is required to continue. This
* return code is possible only in multi-call mode
* (XZ_PREALLOC or XZ_DYNALLOC).
* @XZ_STREAM_END: Operation finished successfully.
* @XZ_UNSUPPORTED_CHECK: Integrity check type is not supported. Decoding
* is still possible in multi-call mode by simply
* calling xz_dec_run() again.
* Note that this return value is used only if
* XZ_DEC_ANY_CHECK was defined at build time,
* which is not used in the kernel. Unsupported
* check types return XZ_OPTIONS_ERROR if
* XZ_DEC_ANY_CHECK was not defined at build time.
* @XZ_MEM_ERROR: Allocating memory failed. This return code is
* possible only if the decoder was initialized
* with XZ_DYNALLOC. The amount of memory that was
* tried to be allocated was no more than the
* dict_max argument given to xz_dec_init().
* @XZ_MEMLIMIT_ERROR: A bigger LZMA2 dictionary would be needed than
* allowed by the dict_max argument given to
* xz_dec_init(). This return value is possible
* only in multi-call mode (XZ_PREALLOC or
* XZ_DYNALLOC); the single-call mode (XZ_SINGLE)
* ignores the dict_max argument.
* @XZ_FORMAT_ERROR: File format was not recognized (wrong magic
* bytes).
* @XZ_OPTIONS_ERROR: This implementation doesn't support the requested
* compression options. In the decoder this means
* that the header CRC32 matches, but the header
* itself specifies something that we don't support.
* @XZ_DATA_ERROR: Compressed data is corrupt.
* @XZ_BUF_ERROR: Cannot make any progress. Details are slightly
* different between multi-call and single-call
* mode; more information below.
*
* In multi-call mode, XZ_BUF_ERROR is returned when two consecutive calls
* to XZ code cannot consume any input and cannot produce any new output.
* This happens when there is no new input available, or the output buffer
* is full while at least one output byte is still pending. Assuming your
* code is not buggy, you can get this error only when decoding a compressed
* stream that is truncated or otherwise corrupt.
*
* In single-call mode, XZ_BUF_ERROR is returned only when the output buffer
* is too small or the compressed input is corrupt in a way that makes the
* decoder produce more output than the caller expected. When it is
* (relatively) clear that the compressed input is truncated, XZ_DATA_ERROR
* is used instead of XZ_BUF_ERROR.
*/
enum xz_ret {
XZ_OK,
XZ_STREAM_END,
XZ_UNSUPPORTED_CHECK,
XZ_MEM_ERROR,
XZ_MEMLIMIT_ERROR,
XZ_FORMAT_ERROR,
XZ_OPTIONS_ERROR,
XZ_DATA_ERROR,
XZ_BUF_ERROR
};
/**
* struct xz_buf - Passing input and output buffers to XZ code
* @in: Beginning of the input buffer. This may be NULL if and only
* if in_pos is equal to in_size.
* @in_pos: Current position in the input buffer. This must not exceed
* in_size.
* @in_size: Size of the input buffer
* @out: Beginning of the output buffer. This may be NULL if and only
* if out_pos is equal to out_size.
* @out_pos: Current position in the output buffer. This must not exceed
* out_size.
* @out_size: Size of the output buffer
*
* Only the contents of the output buffer from out[out_pos] onward, and
* the variables in_pos and out_pos are modified by the XZ code.
*/
struct xz_buf {
const uint8_t *in;
size_t in_pos;
size_t in_size;
uint8_t *out;
size_t out_pos;
size_t out_size;
};
/**
* struct xz_dec - Opaque type to hold the XZ decoder state
*/
struct xz_dec;
/**
* xz_dec_init() - Allocate and initialize a XZ decoder state
* @mode: Operation mode
* @dict_max: Maximum size of the LZMA2 dictionary (history buffer) for
* multi-call decoding. This is ignored in single-call mode
* (mode == XZ_SINGLE). LZMA2 dictionary is always 2^n bytes
* or 2^n + 2^(n-1) bytes (the latter sizes are less common
* in practice), so other values for dict_max don't make sense.
* In the kernel, dictionary sizes of 64 KiB, 128 KiB, 256 KiB,
* 512 KiB, and 1 MiB are probably the only reasonable values,
* except for kernel and initramfs images where a bigger
* dictionary can be fine and useful.
*
* Single-call mode (XZ_SINGLE): xz_dec_run() decodes the whole stream at
* once. The caller must provide enough output space or the decoding will
* fail. The output space is used as the dictionary buffer, which is why
* there is no need to allocate the dictionary as part of the decoder's
* internal state.
*
* Because the output buffer is used as the workspace, streams encoded using
* a big dictionary are not a problem in single-call mode. It is enough that
* the output buffer is big enough to hold the actual uncompressed data; it
* can be smaller than the dictionary size stored in the stream headers.
*
* Multi-call mode with preallocated dictionary (XZ_PREALLOC): dict_max bytes
* of memory is preallocated for the LZMA2 dictionary. This way there is no
* risk that xz_dec_run() could run out of memory, since xz_dec_run() will
* never allocate any memory. Instead, if the preallocated dictionary is too
* small for decoding the given input stream, xz_dec_run() will return
* XZ_MEMLIMIT_ERROR. Thus, it is important to know what kind of data will be
* decoded to avoid allocating excessive amount of memory for the dictionary.
*
* Multi-call mode with dynamically allocated dictionary (XZ_DYNALLOC):
* dict_max specifies the maximum allowed dictionary size that xz_dec_run()
* may allocate once it has parsed the dictionary size from the stream
* headers. This way excessive allocations can be avoided while still
* limiting the maximum memory usage to a sane value to prevent running the
* system out of memory when decompressing streams from untrusted sources.
*
* On success, xz_dec_init() returns a pointer to struct xz_dec, which is
* ready to be used with xz_dec_run(). If memory allocation fails,
* xz_dec_init() returns NULL.
*/
XZ_EXTERN struct xz_dec *xz_dec_init(enum xz_mode mode, uint32_t dict_max);
/**
* xz_dec_run() - Run the XZ decoder
* @s: Decoder state allocated using xz_dec_init()
* @b: Input and output buffers
*
* The possible return values depend on build options and operation mode.
* See enum xz_ret for details.
*
* Note that if an error occurs in single-call mode (return value is not
* XZ_STREAM_END), b->in_pos and b->out_pos are not modified and the
* contents of the output buffer from b->out[b->out_pos] onward are
* undefined. This is true even after XZ_BUF_ERROR, because with some filter
* chains, there may be a second pass over the output buffer, and this pass
* cannot be properly done if the output buffer is truncated. Thus, you
* cannot give the single-call decoder a too small buffer and then expect to
* get that amount valid data from the beginning of the stream. You must use
* the multi-call decoder if you don't want to uncompress the whole stream.
*/
XZ_EXTERN enum xz_ret xz_dec_run(struct xz_dec *s, struct xz_buf *b);
/**
* xz_dec_reset() - Reset an already allocated decoder state
* @s: Decoder state allocated using xz_dec_init()
*
* This function can be used to reset the multi-call decoder state without
* freeing and reallocating memory with xz_dec_end() and xz_dec_init().
*
* In single-call mode, xz_dec_reset() is always called in the beginning of
* xz_dec_run(). Thus, explicit call to xz_dec_reset() is useful only in
* multi-call mode.
*/
XZ_EXTERN void xz_dec_reset(struct xz_dec *s);
/**
* xz_dec_end() - Free the memory allocated for the decoder state
* @s: Decoder state allocated using xz_dec_init(). If s is NULL,
* this function does nothing.
*/
XZ_EXTERN void xz_dec_end(struct xz_dec *s);
/*
* Standalone build (userspace build or in-kernel build for boot time use)
* needs a CRC32 implementation. For normal in-kernel use, kernel's own
* CRC32 module is used instead, and users of this module don't need to
* care about the functions below.
*/
#ifndef XZ_INTERNAL_CRC32
# ifdef __KERNEL__
# define XZ_INTERNAL_CRC32 0
# else
# define XZ_INTERNAL_CRC32 1
# endif
#endif
/*
* If CRC64 support has been enabled with XZ_USE_CRC64, a CRC64
* implementation is needed too.
*/
#ifndef XZ_USE_CRC64
# undef XZ_INTERNAL_CRC64
# define XZ_INTERNAL_CRC64 0
#endif
#ifndef XZ_INTERNAL_CRC64
# ifdef __KERNEL__
# error Using CRC64 in the kernel has not been implemented.
# else
# define XZ_INTERNAL_CRC64 1
# endif
#endif
#if XZ_INTERNAL_CRC32
/*
* This must be called before any other xz_* function to initialize
* the CRC32 lookup table.
*/
XZ_EXTERN void xz_crc32_init(void);
/*
* Update CRC32 value using the polynomial from IEEE-802.3. To start a new
* calculation, the third argument must be zero. To continue the calculation,
* the previously returned value is passed as the third argument.
*/
XZ_EXTERN uint32_t xz_crc32(const uint8_t *buf, size_t size, uint32_t crc);
#endif
#if XZ_INTERNAL_CRC64
/*
* This must be called before any other xz_* function (except xz_crc32_init())
* to initialize the CRC64 lookup table.
*/
XZ_EXTERN void xz_crc64_init(void);
/*
* Update CRC64 value using the polynomial from ECMA-182. To start a new
* calculation, the third argument must be zero. To continue the calculation,
* the previously returned value is passed as the third argument.
*/
XZ_EXTERN uint64_t xz_crc64(const uint8_t *buf, size_t size, uint64_t crc);
#endif
#ifdef __cplusplus
}
#endif
#endif

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/*
* Wrapper for decompressing XZ-compressed kernel, initramfs, and initrd
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
/*
* Important notes about in-place decompression
*
* At least on x86, the kernel is decompressed in place: the compressed data
* is placed to the end of the output buffer, and the decompressor overwrites
* most of the compressed data. There must be enough safety margin to
* guarantee that the write position is always behind the read position.
*
* The safety margin for XZ with LZMA2 or BCJ+LZMA2 is calculated below.
* Note that the margin with XZ is bigger than with Deflate (gzip)!
*
* The worst case for in-place decompression is that the beginning of
* the file is compressed extremely well, and the rest of the file is
* uncompressible. Thus, we must look for worst-case expansion when the
* compressor is encoding uncompressible data.
*
* The structure of the .xz file in case of a compresed kernel is as follows.
* Sizes (as bytes) of the fields are in parenthesis.
*
* Stream Header (12)
* Block Header:
* Block Header (8-12)
* Compressed Data (N)
* Block Padding (0-3)
* CRC32 (4)
* Index (8-20)
* Stream Footer (12)
*
* Normally there is exactly one Block, but let's assume that there are
* 2-4 Blocks just in case. Because Stream Header and also Block Header
* of the first Block don't make the decompressor produce any uncompressed
* data, we can ignore them from our calculations. Block Headers of possible
* additional Blocks have to be taken into account still. With these
* assumptions, it is safe to assume that the total header overhead is
* less than 128 bytes.
*
* Compressed Data contains LZMA2 or BCJ+LZMA2 encoded data. Since BCJ
* doesn't change the size of the data, it is enough to calculate the
* safety margin for LZMA2.
*
* LZMA2 stores the data in chunks. Each chunk has a header whose size is
* a maximum of 6 bytes, but to get round 2^n numbers, let's assume that
* the maximum chunk header size is 8 bytes. After the chunk header, there
* may be up to 64 KiB of actual payload in the chunk. Often the payload is
* quite a bit smaller though; to be safe, let's assume that an average
* chunk has only 32 KiB of payload.
*
* The maximum uncompressed size of the payload is 2 MiB. The minimum
* uncompressed size of the payload is in practice never less than the
* payload size itself. The LZMA2 format would allow uncompressed size
* to be less than the payload size, but no sane compressor creates such
* files. LZMA2 supports storing uncompressible data in uncompressed form,
* so there's never a need to create payloads whose uncompressed size is
* smaller than the compressed size.
*
* The assumption, that the uncompressed size of the payload is never
* smaller than the payload itself, is valid only when talking about
* the payload as a whole. It is possible that the payload has parts where
* the decompressor consumes more input than it produces output. Calculating
* the worst case for this would be tricky. Instead of trying to do that,
* let's simply make sure that the decompressor never overwrites any bytes
* of the payload which it is currently reading.
*
* Now we have enough information to calculate the safety margin. We need
* - 128 bytes for the .xz file format headers;
* - 8 bytes per every 32 KiB of uncompressed size (one LZMA2 chunk header
* per chunk, each chunk having average payload size of 32 KiB); and
* - 64 KiB (biggest possible LZMA2 chunk payload size) to make sure that
* the decompressor never overwrites anything from the LZMA2 chunk
* payload it is currently reading.
*
* We get the following formula:
*
* safety_margin = 128 + uncompressed_size * 8 / 32768 + 65536
* = 128 + (uncompressed_size >> 12) + 65536
*
* For comparison, according to arch/x86/boot/compressed/misc.c, the
* equivalent formula for Deflate is this:
*
* safety_margin = 18 + (uncompressed_size >> 12) + 32768
*
* Thus, when updating Deflate-only in-place kernel decompressor to
* support XZ, the fixed overhead has to be increased from 18+32768 bytes
* to 128+65536 bytes.
*/
/*
* STATIC is defined to "static" if we are being built for kernel
* decompression (pre-boot code). <linux/decompress/mm.h> will define
* STATIC to empty if it wasn't already defined. Since we will need to
* know later if we are being used for kernel decompression, we define
* XZ_PREBOOT here.
*/
#ifdef STATIC
# define XZ_PREBOOT
#endif
#ifdef __KERNEL__
# include <linux/decompress/mm.h>
#endif
#define XZ_EXTERN STATIC
#ifndef XZ_PREBOOT
# include <linux/slab.h>
# include <linux/xz.h>
#else
/*
* Use the internal CRC32 code instead of kernel's CRC32 module, which
* is not available in early phase of booting.
*/
#define XZ_INTERNAL_CRC32 1
/*
* For boot time use, we enable only the BCJ filter of the current
* architecture or none if no BCJ filter is available for the architecture.
*/
#ifdef CONFIG_X86
# define XZ_DEC_X86
#endif
#ifdef CONFIG_PPC
# define XZ_DEC_POWERPC
#endif
#ifdef CONFIG_ARM
# define XZ_DEC_ARM
#endif
#ifdef CONFIG_IA64
# define XZ_DEC_IA64
#endif
#ifdef CONFIG_SPARC
# define XZ_DEC_SPARC
#endif
/*
* This will get the basic headers so that memeq() and others
* can be defined.
*/
#include "xz/xz_private.h"
/*
* Replace the normal allocation functions with the versions from
* <linux/decompress/mm.h>. vfree() needs to support vfree(NULL)
* when XZ_DYNALLOC is used, but the pre-boot free() doesn't support it.
* Workaround it here because the other decompressors don't need it.
*/
#undef kmalloc
#undef kfree
#undef vmalloc
#undef vfree
#define kmalloc(size, flags) malloc(size)
#define kfree(ptr) free(ptr)
#define vmalloc(size) malloc(size)
#define vfree(ptr) do { if (ptr != NULL) free(ptr); } while (0)
/*
* FIXME: Not all basic memory functions are provided in architecture-specific
* files (yet). We define our own versions here for now, but this should be
* only a temporary solution.
*
* memeq and memzero are not used much and any remotely sane implementation
* is fast enough. memcpy/memmove speed matters in multi-call mode, but
* the kernel image is decompressed in single-call mode, in which only
* memcpy speed can matter and only if there is a lot of uncompressible data
* (LZMA2 stores uncompressible chunks in uncompressed form). Thus, the
* functions below should just be kept small; it's probably not worth
* optimizing for speed.
*/
#ifndef memeq
static bool memeq(const void *a, const void *b, size_t size)
{
const uint8_t *x = a;
const uint8_t *y = b;
size_t i;
for (i = 0; i < size; ++i)
if (x[i] != y[i])
return false;
return true;
}
#endif
#ifndef memzero
static void memzero(void *buf, size_t size)
{
uint8_t *b = buf;
uint8_t *e = b + size;
while (b != e)
*b++ = '\0';
}
#endif
#if 0
/* Not static to avoid a conflict with the prototype in the Linux headers. */
void *memmove(void *dest, const void *src, size_t size)
{
uint8_t *d = dest;
const uint8_t *s = src;
size_t i;
if (d < s) {
for (i = 0; i < size; ++i)
d[i] = s[i];
} else if (d > s) {
i = size;
while (i-- > 0)
d[i] = s[i];
}
return dest;
}
#endif
/*
* Since we need memmove anyway, would use it as memcpy too.
* Commented out for now to avoid breaking things.
*/
/*
#ifndef memcpy
# define memcpy memmove
#endif
*/
#include "xz/xz_crc32.c"
#include "xz/xz_dec_stream.c"
#include "xz/xz_dec_lzma2.c"
#include "xz/xz_dec_bcj.c"
#endif /* XZ_PREBOOT */
/* Size of the input and output buffers in multi-call mode */
#define XZ_IOBUF_SIZE 4096
/*
* This function implements the API defined in <linux/decompress/generic.h>.
*
* This wrapper will automatically choose single-call or multi-call mode
* of the native XZ decoder API. The single-call mode can be used only when
* both input and output buffers are available as a single chunk, i.e. when
* fill() and flush() won't be used.
*/
int unxz(unsigned char *in, int in_size,
int (*fill)(void *dest, unsigned int size),
int (*flush)(void *src, unsigned int size),
unsigned char *out, int *in_used,
void (*error)(char *x))
{
struct xz_buf b;
struct xz_dec *s;
enum xz_ret ret;
bool must_free_in = false;
#if XZ_INTERNAL_CRC32
xz_crc32_init();
#endif
if (in_used != NULL)
*in_used = 0;
if (fill == NULL && flush == NULL)
s = xz_dec_init(XZ_SINGLE, 0);
else
s = xz_dec_init(XZ_DYNALLOC, (uint32_t)-1);
if (s == NULL)
goto error_alloc_state;
if (flush == NULL) {
b.out = out;
b.out_size = (size_t)-1;
} else {
b.out_size = XZ_IOBUF_SIZE;
b.out = malloc(XZ_IOBUF_SIZE);
if (b.out == NULL)
goto error_alloc_out;
}
if (in == NULL) {
must_free_in = true;
in = malloc(XZ_IOBUF_SIZE);
if (in == NULL)
goto error_alloc_in;
}
b.in = in;
b.in_pos = 0;
b.in_size = in_size;
b.out_pos = 0;
if (fill == NULL && flush == NULL) {
ret = xz_dec_run(s, &b);
} else {
do {
if (b.in_pos == b.in_size && fill != NULL) {
if (in_used != NULL)
*in_used += b.in_pos;
b.in_pos = 0;
in_size = fill(in, XZ_IOBUF_SIZE);
if (in_size < 0) {
/*
* This isn't an optimal error code
* but it probably isn't worth making
* a new one either.
*/
ret = XZ_BUF_ERROR;
break;
}
b.in_size = in_size;
}
ret = xz_dec_run(s, &b);
if (flush != NULL && (b.out_pos == b.out_size
|| (ret != XZ_OK && b.out_pos > 0))) {
/*
* Setting ret here may hide an error
* returned by xz_dec_run(), but probably
* it's not too bad.
*/
if (flush(b.out, b.out_pos) != (int)b.out_pos)
ret = XZ_BUF_ERROR;
b.out_pos = 0;
}
} while (ret == XZ_OK);
if (must_free_in)
free(in);
if (flush != NULL)
free(b.out);
}
if (in_used != NULL)
*in_used += b.in_pos;
xz_dec_end(s);
switch (ret) {
case XZ_STREAM_END:
return 0;
case XZ_MEM_ERROR:
/* This can occur only in multi-call mode. */
error("XZ decompressor ran out of memory");
break;
case XZ_FORMAT_ERROR:
error("Input is not in the XZ format (wrong magic bytes)");
break;
case XZ_OPTIONS_ERROR:
error("Input was encoded with settings that are not "
"supported by this XZ decoder");
break;
case XZ_DATA_ERROR:
case XZ_BUF_ERROR:
error("XZ-compressed data is corrupt");
break;
default:
error("Bug in the XZ decompressor");
break;
}
return -1;
error_alloc_in:
if (flush != NULL)
free(b.out);
error_alloc_out:
xz_dec_end(s);
error_alloc_state:
error("XZ decompressor ran out of memory");
return -1;
}
/*
* This macro is used by architecture-specific files to decompress
* the kernel image.
*/
#define decompress unxz

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Plugson/src/Lib/xz-embedded/linux/lib/xz/Kconfig
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config XZ_DEC
tristate "XZ decompression support"
select CRC32
help
LZMA2 compression algorithm and BCJ filters are supported using
the .xz file format as the container. For integrity checking,
CRC32 is supported. See Documentation/xz.txt for more information.
if XZ_DEC
config XZ_DEC_X86
bool "x86 BCJ filter decoder"
default y if X86
select XZ_DEC_BCJ
config XZ_DEC_POWERPC
bool "PowerPC BCJ filter decoder"
default y if PPC
select XZ_DEC_BCJ
config XZ_DEC_IA64
bool "IA-64 BCJ filter decoder"
default y if IA64
select XZ_DEC_BCJ
config XZ_DEC_ARM
bool "ARM BCJ filter decoder"
default y if ARM
select XZ_DEC_BCJ
config XZ_DEC_ARMTHUMB
bool "ARM-Thumb BCJ filter decoder"
default y if (ARM && ARM_THUMB)
select XZ_DEC_BCJ
config XZ_DEC_SPARC
bool "SPARC BCJ filter decoder"
default y if SPARC
select XZ_DEC_BCJ
endif
config XZ_DEC_BCJ
bool
default n
config XZ_DEC_TEST
tristate "XZ decompressor tester"
default n
depends on XZ_DEC
help
This allows passing .xz files to the in-kernel XZ decoder via
a character special file. It calculates CRC32 of the decompressed
data and writes diagnostics to the system log.
Unless you are developing the XZ decoder, you don't need this
and should say N.

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Plugson/src/Lib/xz-embedded/linux/lib/xz/Makefile
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obj-$(CONFIG_XZ_DEC) += xz_dec.o
xz_dec-y := xz_dec_syms.o xz_dec_stream.o xz_dec_lzma2.o
xz_dec-$(CONFIG_XZ_DEC_BCJ) += xz_dec_bcj.o
obj-$(CONFIG_XZ_DEC_TEST) += xz_dec_test.o

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Plugson/src/Lib/xz-embedded/linux/lib/xz/xz_crc32.c
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/*
* CRC32 using the polynomial from IEEE-802.3
*
* Authors: Lasse Collin <lasse.collin@tukaani.org>
* Igor Pavlov <http://7-zip.org/>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
/*
* This is not the fastest implementation, but it is pretty compact.
* The fastest versions of xz_crc32() on modern CPUs without hardware
* accelerated CRC instruction are 3-5 times as fast as this version,
* but they are bigger and use more memory for the lookup table.
*/
#include "xz_private.h"
/*
* STATIC_RW_DATA is used in the pre-boot environment on some architectures.
* See <linux/decompress/mm.h> for details.
*/
#ifndef STATIC_RW_DATA
# define STATIC_RW_DATA static
#endif
STATIC_RW_DATA uint32_t xz_crc32_table[256];
XZ_EXTERN void xz_crc32_init(void)
{
const uint32_t poly = 0xEDB88320;
uint32_t i;
uint32_t j;
uint32_t r;
for (i = 0; i < 256; ++i) {
r = i;
for (j = 0; j < 8; ++j)
r = (r >> 1) ^ (poly & ~((r & 1) - 1));
xz_crc32_table[i] = r;
}
return;
}
XZ_EXTERN uint32_t xz_crc32(const uint8_t *buf, size_t size, uint32_t crc)
{
crc = ~crc;
while (size != 0) {
crc = xz_crc32_table[*buf++ ^ (crc & 0xFF)] ^ (crc >> 8);
--size;
}
return ~crc;
}

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Plugson/src/Lib/xz-embedded/linux/lib/xz/xz_crc64.c
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/*
* CRC64 using the polynomial from ECMA-182
*
* This file is similar to xz_crc32.c. See the comments there.
*
* Authors: Lasse Collin <lasse.collin@tukaani.org>
* Igor Pavlov <http://7-zip.org/>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#include "xz_private.h"
#ifndef STATIC_RW_DATA
# define STATIC_RW_DATA static
#endif
STATIC_RW_DATA uint64_t xz_crc64_table[256];
XZ_EXTERN void xz_crc64_init(void)
{
const uint64_t poly = 0xC96C5795D7870F42;
uint32_t i;
uint32_t j;
uint64_t r;
for (i = 0; i < 256; ++i) {
r = i;
for (j = 0; j < 8; ++j)
r = (r >> 1) ^ (poly & ~((r & 1) - 1));
xz_crc64_table[i] = r;
}
return;
}
XZ_EXTERN uint64_t xz_crc64(const uint8_t *buf, size_t size, uint64_t crc)
{
crc = ~crc;
while (size != 0) {
crc = xz_crc64_table[*buf++ ^ (crc & 0xFF)] ^ (crc >> 8);
--size;
}
return ~crc;
}

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Plugson/src/Lib/xz-embedded/linux/lib/xz/xz_dec_bcj.c
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/*
* Branch/Call/Jump (BCJ) filter decoders
*
* Authors: Lasse Collin <lasse.collin@tukaani.org>
* Igor Pavlov <http://7-zip.org/>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#include "xz_private.h"
/*
* The rest of the file is inside this ifdef. It makes things a little more
* convenient when building without support for any BCJ filters.
*/
#ifdef XZ_DEC_BCJ
struct xz_dec_bcj {
/* Type of the BCJ filter being used */
enum {
BCJ_X86 = 4, /* x86 or x86-64 */
BCJ_POWERPC = 5, /* Big endian only */
BCJ_IA64 = 6, /* Big or little endian */
BCJ_ARM = 7, /* Little endian only */
BCJ_ARMTHUMB = 8, /* Little endian only */
BCJ_SPARC = 9 /* Big or little endian */
} type;
/*
* Return value of the next filter in the chain. We need to preserve
* this information across calls, because we must not call the next
* filter anymore once it has returned XZ_STREAM_END.
*/
enum xz_ret ret;
/* True if we are operating in single-call mode. */
bool single_call;
/*
* Absolute position relative to the beginning of the uncompressed
* data (in a single .xz Block). We care only about the lowest 32
* bits so this doesn't need to be uint64_t even with big files.
*/
uint32_t pos;
/* x86 filter state */
uint32_t x86_prev_mask;
/* Temporary space to hold the variables from struct xz_buf */
uint8_t *out;
size_t out_pos;
size_t out_size;
struct {
/* Amount of already filtered data in the beginning of buf */
size_t filtered;
/* Total amount of data currently stored in buf */
size_t size;
/*
* Buffer to hold a mix of filtered and unfiltered data. This
* needs to be big enough to hold Alignment + 2 * Look-ahead:
*
* Type Alignment Look-ahead
* x86 1 4
* PowerPC 4 0
* IA-64 16 0
* ARM 4 0
* ARM-Thumb 2 2
* SPARC 4 0
*/
uint8_t buf[16];
} temp;
};
#ifdef XZ_DEC_X86
/*
* This is used to test the most significant byte of a memory address
* in an x86 instruction.
*/
static inline int bcj_x86_test_msbyte(uint8_t b)
{
return b == 0x00 || b == 0xFF;
}
static size_t bcj_x86(struct xz_dec_bcj *s, uint8_t *buf, size_t size)
{
static const bool mask_to_allowed_status[8]
= { true, true, true, false, true, false, false, false };
static const uint8_t mask_to_bit_num[8] = { 0, 1, 2, 2, 3, 3, 3, 3 };
size_t i;
size_t prev_pos = (size_t)-1;
uint32_t prev_mask = s->x86_prev_mask;
uint32_t src;
uint32_t dest;
uint32_t j;
uint8_t b;
if (size <= 4)
return 0;
size -= 4;
for (i = 0; i < size; ++i) {
if ((buf[i] & 0xFE) != 0xE8)
continue;
prev_pos = i - prev_pos;
if (prev_pos > 3) {
prev_mask = 0;
} else {
prev_mask = (prev_mask << (prev_pos - 1)) & 7;
if (prev_mask != 0) {
b = buf[i + 4 - mask_to_bit_num[prev_mask]];
if (!mask_to_allowed_status[prev_mask]
|| bcj_x86_test_msbyte(b)) {
prev_pos = i;
prev_mask = (prev_mask << 1) | 1;
continue;
}
}
}
prev_pos = i;
if (bcj_x86_test_msbyte(buf[i + 4])) {
src = get_unaligned_le32(buf + i + 1);
while (true) {
dest = src - (s->pos + (uint32_t)i + 5);
if (prev_mask == 0)
break;
j = mask_to_bit_num[prev_mask] * 8;
b = (uint8_t)(dest >> (24 - j));
if (!bcj_x86_test_msbyte(b))
break;
src = dest ^ (((uint32_t)1 << (32 - j)) - 1);
}
dest &= 0x01FFFFFF;
dest |= (uint32_t)0 - (dest & 0x01000000);
put_unaligned_le32(dest, buf + i + 1);
i += 4;
} else {
prev_mask = (prev_mask << 1) | 1;
}
}
prev_pos = i - prev_pos;
s->x86_prev_mask = prev_pos > 3 ? 0 : prev_mask << (prev_pos - 1);
return i;
}
#endif
#ifdef XZ_DEC_POWERPC
static size_t bcj_powerpc(struct xz_dec_bcj *s, uint8_t *buf, size_t size)
{
size_t i;
uint32_t instr;
for (i = 0; i + 4 <= size; i += 4) {
instr = get_unaligned_be32(buf + i);
if ((instr & 0xFC000003) == 0x48000001) {
instr &= 0x03FFFFFC;
instr -= s->pos + (uint32_t)i;
instr &= 0x03FFFFFC;
instr |= 0x48000001;
put_unaligned_be32(instr, buf + i);
}
}
return i;
}
#endif
#ifdef XZ_DEC_IA64
static size_t bcj_ia64(struct xz_dec_bcj *s, uint8_t *buf, size_t size)
{
static const uint8_t branch_table[32] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
4, 4, 6, 6, 0, 0, 7, 7,
4, 4, 0, 0, 4, 4, 0, 0
};
/*
* The local variables take a little bit stack space, but it's less
* than what LZMA2 decoder takes, so it doesn't make sense to reduce
* stack usage here without doing that for the LZMA2 decoder too.
*/
/* Loop counters */
size_t i;
size_t j;
/* Instruction slot (0, 1, or 2) in the 128-bit instruction word */
uint32_t slot;
/* Bitwise offset of the instruction indicated by slot */
uint32_t bit_pos;
/* bit_pos split into byte and bit parts */
uint32_t byte_pos;
uint32_t bit_res;
/* Address part of an instruction */
uint32_t addr;
/* Mask used to detect which instructions to convert */
uint32_t mask;
/* 41-bit instruction stored somewhere in the lowest 48 bits */
uint64_t instr;
/* Instruction normalized with bit_res for easier manipulation */
uint64_t norm;
for (i = 0; i + 16 <= size; i += 16) {
mask = branch_table[buf[i] & 0x1F];
for (slot = 0, bit_pos = 5; slot < 3; ++slot, bit_pos += 41) {
if (((mask >> slot) & 1) == 0)
continue;
byte_pos = bit_pos >> 3;
bit_res = bit_pos & 7;
instr = 0;
for (j = 0; j < 6; ++j)
instr |= (uint64_t)(buf[i + j + byte_pos])
<< (8 * j);
norm = instr >> bit_res;
if (((norm >> 37) & 0x0F) == 0x05
&& ((norm >> 9) & 0x07) == 0) {
addr = (norm >> 13) & 0x0FFFFF;
addr |= ((uint32_t)(norm >> 36) & 1) << 20;
addr <<= 4;
addr -= s->pos + (uint32_t)i;
addr >>= 4;
norm &= ~((uint64_t)0x8FFFFF << 13);
norm |= (uint64_t)(addr & 0x0FFFFF) << 13;
norm |= (uint64_t)(addr & 0x100000)
<< (36 - 20);
instr &= (1 << bit_res) - 1;
instr |= norm << bit_res;
for (j = 0; j < 6; j++)
buf[i + j + byte_pos]
= (uint8_t)(instr >> (8 * j));
}
}
}
return i;
}
#endif
#ifdef XZ_DEC_ARM
static size_t bcj_arm(struct xz_dec_bcj *s, uint8_t *buf, size_t size)
{
size_t i;
uint32_t addr;
for (i = 0; i + 4 <= size; i += 4) {
if (buf[i + 3] == 0xEB) {
addr = (uint32_t)buf[i] | ((uint32_t)buf[i + 1] << 8)
| ((uint32_t)buf[i + 2] << 16);
addr <<= 2;
addr -= s->pos + (uint32_t)i + 8;
addr >>= 2;
buf[i] = (uint8_t)addr;
buf[i + 1] = (uint8_t)(addr >> 8);
buf[i + 2] = (uint8_t)(addr >> 16);
}
}
return i;
}
#endif
#ifdef XZ_DEC_ARMTHUMB
static size_t bcj_armthumb(struct xz_dec_bcj *s, uint8_t *buf, size_t size)
{
size_t i;
uint32_t addr;
for (i = 0; i + 4 <= size; i += 2) {
if ((buf[i + 1] & 0xF8) == 0xF0
&& (buf[i + 3] & 0xF8) == 0xF8) {
addr = (((uint32_t)buf[i + 1] & 0x07) << 19)
| ((uint32_t)buf[i] << 11)
| (((uint32_t)buf[i + 3] & 0x07) << 8)
| (uint32_t)buf[i + 2];
addr <<= 1;
addr -= s->pos + (uint32_t)i + 4;
addr >>= 1;
buf[i + 1] = (uint8_t)(0xF0 | ((addr >> 19) & 0x07));
buf[i] = (uint8_t)(addr >> 11);
buf[i + 3] = (uint8_t)(0xF8 | ((addr >> 8) & 0x07));
buf[i + 2] = (uint8_t)addr;
i += 2;
}
}
return i;
}
#endif
#ifdef XZ_DEC_SPARC
static size_t bcj_sparc(struct xz_dec_bcj *s, uint8_t *buf, size_t size)
{
size_t i;
uint32_t instr;
for (i = 0; i + 4 <= size; i += 4) {
instr = get_unaligned_be32(buf + i);
if ((instr >> 22) == 0x100 || (instr >> 22) == 0x1FF) {
instr <<= 2;
instr -= s->pos + (uint32_t)i;
instr >>= 2;
instr = ((uint32_t)0x40000000 - (instr & 0x400000))
| 0x40000000 | (instr & 0x3FFFFF);
put_unaligned_be32(instr, buf + i);
}
}
return i;
}
#endif
/*
* Apply the selected BCJ filter. Update *pos and s->pos to match the amount
* of data that got filtered.
*
* NOTE: This is implemented as a switch statement to avoid using function
* pointers, which could be problematic in the kernel boot code, which must
* avoid pointers to static data (at least on x86).
*/
static void bcj_apply(struct xz_dec_bcj *s,
uint8_t *buf, size_t *pos, size_t size)
{
size_t filtered;
buf += *pos;
size -= *pos;
switch (s->type) {
#ifdef XZ_DEC_X86
case BCJ_X86:
filtered = bcj_x86(s, buf, size);
break;
#endif
#ifdef XZ_DEC_POWERPC
case BCJ_POWERPC:
filtered = bcj_powerpc(s, buf, size);
break;
#endif
#ifdef XZ_DEC_IA64
case BCJ_IA64:
filtered = bcj_ia64(s, buf, size);
break;
#endif
#ifdef XZ_DEC_ARM
case BCJ_ARM:
filtered = bcj_arm(s, buf, size);
break;
#endif
#ifdef XZ_DEC_ARMTHUMB
case BCJ_ARMTHUMB:
filtered = bcj_armthumb(s, buf, size);
break;
#endif
#ifdef XZ_DEC_SPARC
case BCJ_SPARC:
filtered = bcj_sparc(s, buf, size);
break;
#endif
default:
/* Never reached but silence compiler warnings. */
filtered = 0;
break;
}
*pos += filtered;
s->pos += filtered;
}
/*
* Flush pending filtered data from temp to the output buffer.
* Move the remaining mixture of possibly filtered and unfiltered
* data to the beginning of temp.
*/
static void bcj_flush(struct xz_dec_bcj *s, struct xz_buf *b)
{
size_t copy_size;
copy_size = min_t(size_t, s->temp.filtered, b->out_size - b->out_pos);
memcpy(b->out + b->out_pos, s->temp.buf, copy_size);
b->out_pos += copy_size;
s->temp.filtered -= copy_size;
s->temp.size -= copy_size;
memmove(s->temp.buf, s->temp.buf + copy_size, s->temp.size);
}
/*
* The BCJ filter functions are primitive in sense that they process the
* data in chunks of 1-16 bytes. To hide this issue, this function does
* some buffering.
*/
XZ_EXTERN enum xz_ret xz_dec_bcj_run(struct xz_dec_bcj *s,
struct xz_dec_lzma2 *lzma2,
struct xz_buf *b)
{
size_t out_start;
/*
* Flush pending already filtered data to the output buffer. Return
* immediatelly if we couldn't flush everything, or if the next
* filter in the chain had already returned XZ_STREAM_END.
*/
if (s->temp.filtered > 0) {
bcj_flush(s, b);
if (s->temp.filtered > 0)
return XZ_OK;
if (s->ret == XZ_STREAM_END)
return XZ_STREAM_END;
}
/*
* If we have more output space than what is currently pending in
* temp, copy the unfiltered data from temp to the output buffer
* and try to fill the output buffer by decoding more data from the
* next filter in the chain. Apply the BCJ filter on the new data
* in the output buffer. If everything cannot be filtered, copy it
* to temp and rewind the output buffer position accordingly.
*
* This needs to be always run when temp.size == 0 to handle a special
* case where the output buffer is full and the next filter has no
* more output coming but hasn't returned XZ_STREAM_END yet.
*/
if (s->temp.size < b->out_size - b->out_pos || s->temp.size == 0) {
out_start = b->out_pos;
memcpy(b->out + b->out_pos, s->temp.buf, s->temp.size);
b->out_pos += s->temp.size;
s->ret = xz_dec_lzma2_run(lzma2, b);
if (s->ret != XZ_STREAM_END
&& (s->ret != XZ_OK || s->single_call))
return s->ret;
bcj_apply(s, b->out, &out_start, b->out_pos);
/*
* As an exception, if the next filter returned XZ_STREAM_END,
* we can do that too, since the last few bytes that remain
* unfiltered are meant to remain unfiltered.
*/
if (s->ret == XZ_STREAM_END)
return XZ_STREAM_END;
s->temp.size = b->out_pos - out_start;
b->out_pos -= s->temp.size;
memcpy(s->temp.buf, b->out + b->out_pos, s->temp.size);
/*
* If there wasn't enough input to the next filter to fill
* the output buffer with unfiltered data, there's no point
* to try decoding more data to temp.
*/
if (b->out_pos + s->temp.size < b->out_size)
return XZ_OK;
}
/*
* We have unfiltered data in temp. If the output buffer isn't full
* yet, try to fill the temp buffer by decoding more data from the
* next filter. Apply the BCJ filter on temp. Then we hopefully can
* fill the actual output buffer by copying filtered data from temp.
* A mix of filtered and unfiltered data may be left in temp; it will
* be taken care on the next call to this function.
*/
if (b->out_pos < b->out_size) {
/* Make b->out{,_pos,_size} temporarily point to s->temp. */
s->out = b->out;
s->out_pos = b->out_pos;
s->out_size = b->out_size;
b->out = s->temp.buf;
b->out_pos = s->temp.size;
b->out_size = sizeof(s->temp.buf);
s->ret = xz_dec_lzma2_run(lzma2, b);
s->temp.size = b->out_pos;
b->out = s->out;
b->out_pos = s->out_pos;
b->out_size = s->out_size;
if (s->ret != XZ_OK && s->ret != XZ_STREAM_END)
return s->ret;
bcj_apply(s, s->temp.buf, &s->temp.filtered, s->temp.size);
/*
* If the next filter returned XZ_STREAM_END, we mark that
* everything is filtered, since the last unfiltered bytes
* of the stream are meant to be left as is.
*/
if (s->ret == XZ_STREAM_END)
s->temp.filtered = s->temp.size;
bcj_flush(s, b);
if (s->temp.filtered > 0)
return XZ_OK;
}
return s->ret;
}
XZ_EXTERN struct xz_dec_bcj *xz_dec_bcj_create(bool single_call)
{
struct xz_dec_bcj *s = kmalloc(sizeof(*s), GFP_KERNEL);
if (s != NULL)
s->single_call = single_call;
return s;
}
XZ_EXTERN enum xz_ret xz_dec_bcj_reset(struct xz_dec_bcj *s, uint8_t id)
{
switch (id) {
#ifdef XZ_DEC_X86
case BCJ_X86:
#endif
#ifdef XZ_DEC_POWERPC
case BCJ_POWERPC:
#endif
#ifdef XZ_DEC_IA64
case BCJ_IA64:
#endif
#ifdef XZ_DEC_ARM
case BCJ_ARM:
#endif
#ifdef XZ_DEC_ARMTHUMB
case BCJ_ARMTHUMB:
#endif
#ifdef XZ_DEC_SPARC
case BCJ_SPARC:
#endif
break;
default:
/* Unsupported Filter ID */
return XZ_OPTIONS_ERROR;
}
s->type = id;
s->ret = XZ_OK;
s->pos = 0;
s->x86_prev_mask = 0;
s->temp.filtered = 0;
s->temp.size = 0;
return XZ_OK;
}
#endif

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Plugson/src/Lib/xz-embedded/linux/lib/xz/xz_dec_lzma2.c
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/*
* .xz Stream decoder
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#include "xz_private.h"
#include "xz_stream.h"
#ifdef XZ_USE_CRC64
# define IS_CRC64(check_type) ((check_type) == XZ_CHECK_CRC64)
#else
# define IS_CRC64(check_type) false
#endif
/* Hash used to validate the Index field */
struct xz_dec_hash {
vli_type unpadded;
vli_type uncompressed;
uint32_t crc32;
};
struct xz_dec {
/* Position in dec_main() */
enum {
SEQ_STREAM_HEADER,
SEQ_BLOCK_START,
SEQ_BLOCK_HEADER,
SEQ_BLOCK_UNCOMPRESS,
SEQ_BLOCK_PADDING,
SEQ_BLOCK_CHECK,
SEQ_INDEX,
SEQ_INDEX_PADDING,
SEQ_INDEX_CRC32,
SEQ_STREAM_FOOTER
} sequence;
/* Position in variable-length integers and Check fields */
uint32_t pos;
/* Variable-length integer decoded by dec_vli() */
vli_type vli;
/* Saved in_pos and out_pos */
size_t in_start;
size_t out_start;
#ifdef XZ_USE_CRC64
/* CRC32 or CRC64 value in Block or CRC32 value in Index */
uint64_t crc;
#else
/* CRC32 value in Block or Index */
uint32_t crc;
#endif
/* Type of the integrity check calculated from uncompressed data */
enum xz_check check_type;
/* Operation mode */
enum xz_mode mode;
/*
* True if the next call to xz_dec_run() is allowed to return
* XZ_BUF_ERROR.
*/
bool allow_buf_error;
/* Information stored in Block Header */
struct {
/*
* Value stored in the Compressed Size field, or
* VLI_UNKNOWN if Compressed Size is not present.
*/
vli_type compressed;
/*
* Value stored in the Uncompressed Size field, or
* VLI_UNKNOWN if Uncompressed Size is not present.
*/
vli_type uncompressed;
/* Size of the Block Header field */
uint32_t size;
} block_header;
/* Information collected when decoding Blocks */
struct {
/* Observed compressed size of the current Block */
vli_type compressed;
/* Observed uncompressed size of the current Block */
vli_type uncompressed;
/* Number of Blocks decoded so far */
vli_type count;
/*
* Hash calculated from the Block sizes. This is used to
* validate the Index field.
*/
struct xz_dec_hash hash;
} block;
/* Variables needed when verifying the Index field */
struct {
/* Position in dec_index() */
enum {
SEQ_INDEX_COUNT,
SEQ_INDEX_UNPADDED,
SEQ_INDEX_UNCOMPRESSED
} sequence;
/* Size of the Index in bytes */
vli_type size;
/* Number of Records (matches block.count in valid files) */
vli_type count;
/*
* Hash calculated from the Records (matches block.hash in
* valid files).
*/
struct xz_dec_hash hash;
} index;
/*
* Temporary buffer needed to hold Stream Header, Block Header,
* and Stream Footer. The Block Header is the biggest (1 KiB)
* so we reserve space according to that. buf[] has to be aligned
* to a multiple of four bytes; the size_t variables before it
* should guarantee this.
*/
struct {
size_t pos;
size_t size;
uint8_t buf[1024];
} temp;
struct xz_dec_lzma2 *lzma2;
#ifdef XZ_DEC_BCJ
struct xz_dec_bcj *bcj;
bool bcj_active;
#endif
};
#ifdef XZ_DEC_ANY_CHECK
/* Sizes of the Check field with different Check IDs */
static const uint8_t check_sizes[16] = {
0,
4, 4, 4,
8, 8, 8,
16, 16, 16,
32, 32, 32,
64, 64, 64
};
#endif
/*
* Fill s->temp by copying data starting from b->in[b->in_pos]. Caller
* must have set s->temp.pos to indicate how much data we are supposed
* to copy into s->temp.buf. Return true once s->temp.pos has reached
* s->temp.size.
*/
static bool fill_temp(struct xz_dec *s, struct xz_buf *b)
{
size_t copy_size = min_t(size_t,
b->in_size - b->in_pos, s->temp.size - s->temp.pos);
memcpy(s->temp.buf + s->temp.pos, b->in + b->in_pos, copy_size);
b->in_pos += copy_size;
s->temp.pos += copy_size;
if (s->temp.pos == s->temp.size) {
s->temp.pos = 0;
return true;
}
return false;
}
/* Decode a variable-length integer (little-endian base-128 encoding) */
static enum xz_ret dec_vli(struct xz_dec *s, const uint8_t *in,
size_t *in_pos, size_t in_size)
{
uint8_t byte;
if (s->pos == 0)
s->vli = 0;
while (*in_pos < in_size) {
byte = in[*in_pos];
++*in_pos;
s->vli |= (vli_type)(byte & 0x7F) << s->pos;
if ((byte & 0x80) == 0) {
/* Don't allow non-minimal encodings. */
if (byte == 0 && s->pos != 0)
return XZ_DATA_ERROR;
s->pos = 0;
return XZ_STREAM_END;
}
s->pos += 7;
if (s->pos == 7 * VLI_BYTES_MAX)
return XZ_DATA_ERROR;
}
return XZ_OK;
}
/*
* Decode the Compressed Data field from a Block. Update and validate
* the observed compressed and uncompressed sizes of the Block so that
* they don't exceed the values possibly stored in the Block Header
* (validation assumes that no integer overflow occurs, since vli_type
* is normally uint64_t). Update the CRC32 or CRC64 value if presence of
* the CRC32 or CRC64 field was indicated in Stream Header.
*
* Once the decoding is finished, validate that the observed sizes match
* the sizes possibly stored in the Block Header. Update the hash and
* Block count, which are later used to validate the Index field.
*/
static enum xz_ret dec_block(struct xz_dec *s, struct xz_buf *b)
{
enum xz_ret ret;
s->in_start = b->in_pos;
s->out_start = b->out_pos;
#ifdef XZ_DEC_BCJ
if (s->bcj_active)
ret = xz_dec_bcj_run(s->bcj, s->lzma2, b);
else
#endif
ret = xz_dec_lzma2_run(s->lzma2, b);
s->block.compressed += b->in_pos - s->in_start;
s->block.uncompressed += b->out_pos - s->out_start;
/*
* There is no need to separately check for VLI_UNKNOWN, since
* the observed sizes are always smaller than VLI_UNKNOWN.
*/
if (s->block.compressed > s->block_header.compressed
|| s->block.uncompressed
> s->block_header.uncompressed)
return XZ_DATA_ERROR;
if (s->check_type == XZ_CHECK_CRC32)
s->crc = xz_crc32(b->out + s->out_start,
b->out_pos - s->out_start, s->crc);
#ifdef XZ_USE_CRC64
else if (s->check_type == XZ_CHECK_CRC64)
s->crc = xz_crc64(b->out + s->out_start,
b->out_pos - s->out_start, s->crc);
#endif
if (ret == XZ_STREAM_END) {
if (s->block_header.compressed != VLI_UNKNOWN
&& s->block_header.compressed
!= s->block.compressed)
return XZ_DATA_ERROR;
if (s->block_header.uncompressed != VLI_UNKNOWN
&& s->block_header.uncompressed
!= s->block.uncompressed)
return XZ_DATA_ERROR;
s->block.hash.unpadded += s->block_header.size
+ s->block.compressed;
#ifdef XZ_DEC_ANY_CHECK
s->block.hash.unpadded += check_sizes[s->check_type];
#else
if (s->check_type == XZ_CHECK_CRC32)
s->block.hash.unpadded += 4;
else if (IS_CRC64(s->check_type))
s->block.hash.unpadded += 8;
#endif
s->block.hash.uncompressed += s->block.uncompressed;
s->block.hash.crc32 = xz_crc32(
(const uint8_t *)&s->block.hash,
sizeof(s->block.hash), s->block.hash.crc32);
++s->block.count;
}
return ret;
}
/* Update the Index size and the CRC32 value. */
static void index_update(struct xz_dec *s, const struct xz_buf *b)
{
size_t in_used = b->in_pos - s->in_start;
s->index.size += in_used;
s->crc = xz_crc32(b->in + s->in_start, in_used, s->crc);
}
/*
* Decode the Number of Records, Unpadded Size, and Uncompressed Size
* fields from the Index field. That is, Index Padding and CRC32 are not
* decoded by this function.
*
* This can return XZ_OK (more input needed), XZ_STREAM_END (everything
* successfully decoded), or XZ_DATA_ERROR (input is corrupt).
*/
static enum xz_ret dec_index(struct xz_dec *s, struct xz_buf *b)
{
enum xz_ret ret;
do {
ret = dec_vli(s, b->in, &b->in_pos, b->in_size);
if (ret != XZ_STREAM_END) {
index_update(s, b);
return ret;
}
switch (s->index.sequence) {
case SEQ_INDEX_COUNT:
s->index.count = s->vli;
/*
* Validate that the Number of Records field
* indicates the same number of Records as
* there were Blocks in the Stream.
*/
if (s->index.count != s->block.count)
return XZ_DATA_ERROR;
s->index.sequence = SEQ_INDEX_UNPADDED;
break;
case SEQ_INDEX_UNPADDED:
s->index.hash.unpadded += s->vli;
s->index.sequence = SEQ_INDEX_UNCOMPRESSED;
break;
case SEQ_INDEX_UNCOMPRESSED:
s->index.hash.uncompressed += s->vli;
s->index.hash.crc32 = xz_crc32(
(const uint8_t *)&s->index.hash,
sizeof(s->index.hash),
s->index.hash.crc32);
--s->index.count;
s->index.sequence = SEQ_INDEX_UNPADDED;
break;
}
} while (s->index.count > 0);
return XZ_STREAM_END;
}
/*
* Validate that the next four or eight input bytes match the value
* of s->crc. s->pos must be zero when starting to validate the first byte.
* The "bits" argument allows using the same code for both CRC32 and CRC64.
*/
static enum xz_ret crc_validate(struct xz_dec *s, struct xz_buf *b,
uint32_t bits)
{
do {
if (b->in_pos == b->in_size)
return XZ_OK;
if (((s->crc >> s->pos) & 0xFF) != b->in[b->in_pos++])
return XZ_DATA_ERROR;
s->pos += 8;
} while (s->pos < bits);
s->crc = 0;
s->pos = 0;
return XZ_STREAM_END;
}
#ifdef XZ_DEC_ANY_CHECK
/*
* Skip over the Check field when the Check ID is not supported.
* Returns true once the whole Check field has been skipped over.
*/
static bool check_skip(struct xz_dec *s, struct xz_buf *b)
{
while (s->pos < check_sizes[s->check_type]) {
if (b->in_pos == b->in_size)
return false;
++b->in_pos;
++s->pos;
}
s->pos = 0;
return true;
}
#endif
/* Decode the Stream Header field (the first 12 bytes of the .xz Stream). */
static enum xz_ret dec_stream_header(struct xz_dec *s)
{
if (!memeq(s->temp.buf, HEADER_MAGIC, HEADER_MAGIC_SIZE))
return XZ_FORMAT_ERROR;
if (xz_crc32(s->temp.buf + HEADER_MAGIC_SIZE, 2, 0)
!= get_le32(s->temp.buf + HEADER_MAGIC_SIZE + 2))
return XZ_DATA_ERROR;
if (s->temp.buf[HEADER_MAGIC_SIZE] != 0)
return XZ_OPTIONS_ERROR;
/*
* Of integrity checks, we support none (Check ID = 0),
* CRC32 (Check ID = 1), and optionally CRC64 (Check ID = 4).
* However, if XZ_DEC_ANY_CHECK is defined, we will accept other
* check types too, but then the check won't be verified and
* a warning (XZ_UNSUPPORTED_CHECK) will be given.
*/
s->check_type = s->temp.buf[HEADER_MAGIC_SIZE + 1];
#ifdef XZ_DEC_ANY_CHECK
if (s->check_type > XZ_CHECK_MAX)
return XZ_OPTIONS_ERROR;
if (s->check_type > XZ_CHECK_CRC32 && !IS_CRC64(s->check_type))
return XZ_UNSUPPORTED_CHECK;
#else
if (s->check_type > XZ_CHECK_CRC32 && !IS_CRC64(s->check_type))
return XZ_OPTIONS_ERROR;
#endif
return XZ_OK;
}
/* Decode the Stream Footer field (the last 12 bytes of the .xz Stream) */
static enum xz_ret dec_stream_footer(struct xz_dec *s)
{
if (!memeq(s->temp.buf + 10, FOOTER_MAGIC, FOOTER_MAGIC_SIZE))
return XZ_DATA_ERROR;
if (xz_crc32(s->temp.buf + 4, 6, 0) != get_le32(s->temp.buf))
return XZ_DATA_ERROR;
/*
* Validate Backward Size. Note that we never added the size of the
* Index CRC32 field to s->index.size, thus we use s->index.size / 4
* instead of s->index.size / 4 - 1.
*/
if ((s->index.size >> 2) != get_le32(s->temp.buf + 4))
return XZ_DATA_ERROR;
if (s->temp.buf[8] != 0 || s->temp.buf[9] != s->check_type)
return XZ_DATA_ERROR;
/*
* Use XZ_STREAM_END instead of XZ_OK to be more convenient
* for the caller.
*/
return XZ_STREAM_END;
}
/* Decode the Block Header and initialize the filter chain. */
static enum xz_ret dec_block_header(struct xz_dec *s)
{
enum xz_ret ret;
/*
* Validate the CRC32. We know that the temp buffer is at least
* eight bytes so this is safe.
*/
s->temp.size -= 4;
if (xz_crc32(s->temp.buf, s->temp.size, 0)
!= get_le32(s->temp.buf + s->temp.size))
return XZ_DATA_ERROR;
s->temp.pos = 2;
/*
* Catch unsupported Block Flags. We support only one or two filters
* in the chain, so we catch that with the same test.
*/
#ifdef XZ_DEC_BCJ
if (s->temp.buf[1] & 0x3E)
#else
if (s->temp.buf[1] & 0x3F)
#endif
return XZ_OPTIONS_ERROR;
/* Compressed Size */
if (s->temp.buf[1] & 0x40) {
if (dec_vli(s, s->temp.buf, &s->temp.pos, s->temp.size)
!= XZ_STREAM_END)
return XZ_DATA_ERROR;
s->block_header.compressed = s->vli;
} else {
s->block_header.compressed = VLI_UNKNOWN;
}
/* Uncompressed Size */
if (s->temp.buf[1] & 0x80) {
if (dec_vli(s, s->temp.buf, &s->temp.pos, s->temp.size)
!= XZ_STREAM_END)
return XZ_DATA_ERROR;
s->block_header.uncompressed = s->vli;
} else {
s->block_header.uncompressed = VLI_UNKNOWN;
}
#ifdef XZ_DEC_BCJ
/* If there are two filters, the first one must be a BCJ filter. */
s->bcj_active = s->temp.buf[1] & 0x01;
if (s->bcj_active) {
if (s->temp.size - s->temp.pos < 2)
return XZ_OPTIONS_ERROR;
ret = xz_dec_bcj_reset(s->bcj, s->temp.buf[s->temp.pos++]);
if (ret != XZ_OK)
return ret;
/*
* We don't support custom start offset,
* so Size of Properties must be zero.
*/
if (s->temp.buf[s->temp.pos++] != 0x00)
return XZ_OPTIONS_ERROR;
}
#endif
/* Valid Filter Flags always take at least two bytes. */
if (s->temp.size - s->temp.pos < 2)
return XZ_DATA_ERROR;
/* Filter ID = LZMA2 */
if (s->temp.buf[s->temp.pos++] != 0x21)
return XZ_OPTIONS_ERROR;
/* Size of Properties = 1-byte Filter Properties */
if (s->temp.buf[s->temp.pos++] != 0x01)
return XZ_OPTIONS_ERROR;
/* Filter Properties contains LZMA2 dictionary size. */
if (s->temp.size - s->temp.pos < 1)
return XZ_DATA_ERROR;
ret = xz_dec_lzma2_reset(s->lzma2, s->temp.buf[s->temp.pos++]);
if (ret != XZ_OK)
return ret;
/* The rest must be Header Padding. */
while (s->temp.pos < s->temp.size)
if (s->temp.buf[s->temp.pos++] != 0x00)
return XZ_OPTIONS_ERROR;
s->temp.pos = 0;
s->block.compressed = 0;
s->block.uncompressed = 0;
return XZ_OK;
}
static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
{
enum xz_ret ret;
/*
* Store the start position for the case when we are in the middle
* of the Index field.
*/
s->in_start = b->in_pos;
while (true) {
switch (s->sequence) {
case SEQ_STREAM_HEADER:
/*
* Stream Header is copied to s->temp, and then
* decoded from there. This way if the caller
* gives us only little input at a time, we can
* still keep the Stream Header decoding code
* simple. Similar approach is used in many places
* in this file.
*/
if (!fill_temp(s, b))
return XZ_OK;
/*
* If dec_stream_header() returns
* XZ_UNSUPPORTED_CHECK, it is still possible
* to continue decoding if working in multi-call
* mode. Thus, update s->sequence before calling
* dec_stream_header().
*/
s->sequence = SEQ_BLOCK_START;
ret = dec_stream_header(s);
if (ret != XZ_OK)
return ret;
case SEQ_BLOCK_START:
/* We need one byte of input to continue. */
if (b->in_pos == b->in_size)
return XZ_OK;
/* See if this is the beginning of the Index field. */
if (b->in[b->in_pos] == 0) {
s->in_start = b->in_pos++;
s->sequence = SEQ_INDEX;
break;
}
/*
* Calculate the size of the Block Header and
* prepare to decode it.
*/
s->block_header.size
= ((uint32_t)b->in[b->in_pos] + 1) * 4;
s->temp.size = s->block_header.size;
s->temp.pos = 0;
s->sequence = SEQ_BLOCK_HEADER;
case SEQ_BLOCK_HEADER:
if (!fill_temp(s, b))
return XZ_OK;
ret = dec_block_header(s);
if (ret != XZ_OK)
return ret;
s->sequence = SEQ_BLOCK_UNCOMPRESS;
case SEQ_BLOCK_UNCOMPRESS:
ret = dec_block(s, b);
if (ret != XZ_STREAM_END)
return ret;
s->sequence = SEQ_BLOCK_PADDING;
case SEQ_BLOCK_PADDING:
/*
* Size of Compressed Data + Block Padding
* must be a multiple of four. We don't need
* s->block.compressed for anything else
* anymore, so we use it here to test the size
* of the Block Padding field.
*/
while (s->block.compressed & 3) {
if (b->in_pos == b->in_size)
return XZ_OK;
if (b->in[b->in_pos++] != 0)
return XZ_DATA_ERROR;
++s->block.compressed;
}
s->sequence = SEQ_BLOCK_CHECK;
case SEQ_BLOCK_CHECK:
if (s->check_type == XZ_CHECK_CRC32) {
ret = crc_validate(s, b, 32);
if (ret != XZ_STREAM_END)
return ret;
}
else if (IS_CRC64(s->check_type)) {
ret = crc_validate(s, b, 64);
if (ret != XZ_STREAM_END)
return ret;
}
#ifdef XZ_DEC_ANY_CHECK
else if (!check_skip(s, b)) {
return XZ_OK;
}
#endif
s->sequence = SEQ_BLOCK_START;
break;
case SEQ_INDEX:
ret = dec_index(s, b);
if (ret != XZ_STREAM_END)
return ret;
s->sequence = SEQ_INDEX_PADDING;
case SEQ_INDEX_PADDING:
while ((s->index.size + (b->in_pos - s->in_start))
& 3) {
if (b->in_pos == b->in_size) {
index_update(s, b);
return XZ_OK;
}
if (b->in[b->in_pos++] != 0)
return XZ_DATA_ERROR;
}
/* Finish the CRC32 value and Index size. */
index_update(s, b);
/* Compare the hashes to validate the Index field. */
if (!memeq(&s->block.hash, &s->index.hash,
sizeof(s->block.hash)))
return XZ_DATA_ERROR;
s->sequence = SEQ_INDEX_CRC32;
case SEQ_INDEX_CRC32:
ret = crc_validate(s, b, 32);
if (ret != XZ_STREAM_END)
return ret;
s->temp.size = STREAM_HEADER_SIZE;
s->sequence = SEQ_STREAM_FOOTER;
case SEQ_STREAM_FOOTER:
if (!fill_temp(s, b))
return XZ_OK;
return dec_stream_footer(s);
}
}
/* Never reached */
}
/*
* xz_dec_run() is a wrapper for dec_main() to handle some special cases in
* multi-call and single-call decoding.
*
* In multi-call mode, we must return XZ_BUF_ERROR when it seems clear that we
* are not going to make any progress anymore. This is to prevent the caller
* from calling us infinitely when the input file is truncated or otherwise
* corrupt. Since zlib-style API allows that the caller fills the input buffer
* only when the decoder doesn't produce any new output, we have to be careful
* to avoid returning XZ_BUF_ERROR too easily: XZ_BUF_ERROR is returned only
* after the second consecutive call to xz_dec_run() that makes no progress.
*
* In single-call mode, if we couldn't decode everything and no error
* occurred, either the input is truncated or the output buffer is too small.
* Since we know that the last input byte never produces any output, we know
* that if all the input was consumed and decoding wasn't finished, the file
* must be corrupt. Otherwise the output buffer has to be too small or the
* file is corrupt in a way that decoding it produces too big output.
*
* If single-call decoding fails, we reset b->in_pos and b->out_pos back to
* their original values. This is because with some filter chains there won't
* be any valid uncompressed data in the output buffer unless the decoding
* actually succeeds (that's the price to pay of using the output buffer as
* the workspace).
*/
XZ_EXTERN enum xz_ret xz_dec_run(struct xz_dec *s, struct xz_buf *b)
{
size_t in_start;
size_t out_start;
enum xz_ret ret;
if (DEC_IS_SINGLE(s->mode))
xz_dec_reset(s);
in_start = b->in_pos;
out_start = b->out_pos;
ret = dec_main(s, b);
if (DEC_IS_SINGLE(s->mode)) {
if (ret == XZ_OK)
ret = b->in_pos == b->in_size
? XZ_DATA_ERROR : XZ_BUF_ERROR;
if (ret != XZ_STREAM_END) {
b->in_pos = in_start;
b->out_pos = out_start;
}
} else if (ret == XZ_OK && in_start == b->in_pos
&& out_start == b->out_pos) {
if (s->allow_buf_error)
ret = XZ_BUF_ERROR;
s->allow_buf_error = true;
} else {
s->allow_buf_error = false;
}
return ret;
}
XZ_EXTERN struct xz_dec *xz_dec_init(enum xz_mode mode, uint32_t dict_max)
{
struct xz_dec *s = kmalloc(sizeof(*s), GFP_KERNEL);
if (s == NULL)
return NULL;
s->mode = mode;
#ifdef XZ_DEC_BCJ
s->bcj = xz_dec_bcj_create(DEC_IS_SINGLE(mode));
if (s->bcj == NULL)
goto error_bcj;
#endif
s->lzma2 = xz_dec_lzma2_create(mode, dict_max);
if (s->lzma2 == NULL)
goto error_lzma2;
xz_dec_reset(s);
return s;
error_lzma2:
#ifdef XZ_DEC_BCJ
xz_dec_bcj_end(s->bcj);
error_bcj:
#endif
kfree(s);
return NULL;
}
XZ_EXTERN void xz_dec_reset(struct xz_dec *s)
{
s->sequence = SEQ_STREAM_HEADER;
s->allow_buf_error = false;
s->pos = 0;
s->crc = 0;
memzero(&s->block, sizeof(s->block));
memzero(&s->index, sizeof(s->index));
s->temp.pos = 0;
s->temp.size = STREAM_HEADER_SIZE;
}
XZ_EXTERN void xz_dec_end(struct xz_dec *s)
{
if (s != NULL) {
xz_dec_lzma2_end(s->lzma2);
#ifdef XZ_DEC_BCJ
xz_dec_bcj_end(s->bcj);
#endif
kfree(s);
}
}

26
Plugson/src/Lib/xz-embedded/linux/lib/xz/xz_dec_syms.c
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/*
* XZ decoder module information
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#include <linux/module.h>
#include <linux/xz.h>
EXPORT_SYMBOL(xz_dec_init);
EXPORT_SYMBOL(xz_dec_reset);
EXPORT_SYMBOL(xz_dec_run);
EXPORT_SYMBOL(xz_dec_end);
MODULE_DESCRIPTION("XZ decompressor");
MODULE_VERSION("1.0");
MODULE_AUTHOR("Lasse Collin <lasse.collin@tukaani.org> and Igor Pavlov");
/*
* This code is in the public domain, but in Linux it's simplest to just
* say it's GPL and consider the authors as the copyright holders.
*/
MODULE_LICENSE("GPL");

220
Plugson/src/Lib/xz-embedded/linux/lib/xz/xz_dec_test.c
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/*
* XZ decoder tester
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
#include <linux/crc32.h>
#include <linux/xz.h>
/* Maximum supported dictionary size */
#define DICT_MAX (1 << 20)
/* Device name to pass to register_chrdev(). */
#define DEVICE_NAME "xz_dec_test"
/* Dynamically allocated device major number */
static int device_major;
/*
* We reuse the same decoder state, and thus can decode only one
* file at a time.
*/
static bool device_is_open;
/* XZ decoder state */
static struct xz_dec *state;
/*
* Return value of xz_dec_run(). We need to avoid calling xz_dec_run() after
* it has returned XZ_STREAM_END, so we make this static.
*/
static enum xz_ret ret;
/*
* Input and output buffers. The input buffer is used as a temporary safe
* place for the data coming from the userspace.
*/
static uint8_t buffer_in[1024];
static uint8_t buffer_out[1024];
/*
* Structure to pass the input and output buffers to the XZ decoder.
* A few of the fields are never modified so we initialize them here.
*/
static struct xz_buf buffers = {
.in = buffer_in,
.out = buffer_out,
.out_size = sizeof(buffer_out)
};
/*
* CRC32 of uncompressed data. This is used to give the user a simple way
* to check that the decoder produces correct output.
*/
static uint32_t crc;
static int xz_dec_test_open(struct inode *i, struct file *f)
{
if (device_is_open)
return -EBUSY;
device_is_open = true;
xz_dec_reset(state);
ret = XZ_OK;
crc = 0xFFFFFFFF;
buffers.in_pos = 0;
buffers.in_size = 0;
buffers.out_pos = 0;
printk(KERN_INFO DEVICE_NAME ": opened\n");
return 0;
}
static int xz_dec_test_release(struct inode *i, struct file *f)
{
device_is_open = false;
if (ret == XZ_OK)
printk(KERN_INFO DEVICE_NAME ": input was truncated\n");
printk(KERN_INFO DEVICE_NAME ": closed\n");
return 0;
}
/*
* Decode the data given to us from the userspace. CRC32 of the uncompressed
* data is calculated and is printed at the end of successful decoding. The
* uncompressed data isn't stored anywhere for further use.
*
* The .xz file must have exactly one Stream and no Stream Padding. The data
* after the first Stream is considered to be garbage.
*/
static ssize_t xz_dec_test_write(struct file *file, const char __user *buf,
size_t size, loff_t *pos)
{
size_t remaining;
if (ret != XZ_OK) {
if (size > 0)
printk(KERN_INFO DEVICE_NAME ": %zu bytes of "
"garbage at the end of the file\n",
size);
return -ENOSPC;
}
printk(KERN_INFO DEVICE_NAME ": decoding %zu bytes of input\n",
size);
remaining = size;
while ((remaining > 0 || buffers.out_pos == buffers.out_size)
&& ret == XZ_OK) {
if (buffers.in_pos == buffers.in_size) {
buffers.in_pos = 0;
buffers.in_size = min(remaining, sizeof(buffer_in));
if (copy_from_user(buffer_in, buf, buffers.in_size))
return -EFAULT;
buf += buffers.in_size;
remaining -= buffers.in_size;
}
buffers.out_pos = 0;
ret = xz_dec_run(state, &buffers);
crc = crc32(crc, buffer_out, buffers.out_pos);
}
switch (ret) {
case XZ_OK:
printk(KERN_INFO DEVICE_NAME ": XZ_OK\n");
return size;
case XZ_STREAM_END:
printk(KERN_INFO DEVICE_NAME ": XZ_STREAM_END, "
"CRC32 = 0x%08X\n", ~crc);
return size - remaining - (buffers.in_size - buffers.in_pos);
case XZ_MEMLIMIT_ERROR:
printk(KERN_INFO DEVICE_NAME ": XZ_MEMLIMIT_ERROR\n");
break;
case XZ_FORMAT_ERROR:
printk(KERN_INFO DEVICE_NAME ": XZ_FORMAT_ERROR\n");
break;
case XZ_OPTIONS_ERROR:
printk(KERN_INFO DEVICE_NAME ": XZ_OPTIONS_ERROR\n");
break;
case XZ_DATA_ERROR:
printk(KERN_INFO DEVICE_NAME ": XZ_DATA_ERROR\n");
break;
case XZ_BUF_ERROR:
printk(KERN_INFO DEVICE_NAME ": XZ_BUF_ERROR\n");
break;
default:
printk(KERN_INFO DEVICE_NAME ": Bug detected!\n");
break;
}
return -EIO;
}
/* Allocate the XZ decoder state and register the character device. */
static int __init xz_dec_test_init(void)
{
static const struct file_operations fileops = {
.owner = THIS_MODULE,
.open = &xz_dec_test_open,
.release = &xz_dec_test_release,
.write = &xz_dec_test_write
};
state = xz_dec_init(XZ_PREALLOC, DICT_MAX);
if (state == NULL)
return -ENOMEM;
device_major = register_chrdev(0, DEVICE_NAME, &fileops);
if (device_major < 0) {
xz_dec_end(state);
return device_major;
}
printk(KERN_INFO DEVICE_NAME ": module loaded\n");
printk(KERN_INFO DEVICE_NAME ": Create a device node with "
"'mknod " DEVICE_NAME " c %d 0' and write .xz files "
"to it.\n", device_major);
return 0;
}
static void __exit xz_dec_test_exit(void)
{
unregister_chrdev(device_major, DEVICE_NAME);
xz_dec_end(state);
printk(KERN_INFO DEVICE_NAME ": module unloaded\n");
}
module_init(xz_dec_test_init);
module_exit(xz_dec_test_exit);
MODULE_DESCRIPTION("XZ decompressor tester");
MODULE_VERSION("1.0");
MODULE_AUTHOR("Lasse Collin <lasse.collin@tukaani.org>");
/*
* This code is in the public domain, but in Linux it's simplest to just
* say it's GPL and consider the authors as the copyright holders.
*/
MODULE_LICENSE("GPL");

204
Plugson/src/Lib/xz-embedded/linux/lib/xz/xz_lzma2.h
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/*
* LZMA2 definitions
*
* Authors: Lasse Collin <lasse.collin@tukaani.org>
* Igor Pavlov <http://7-zip.org/>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#ifndef XZ_LZMA2_H
#define XZ_LZMA2_H
/* Range coder constants */
#define RC_SHIFT_BITS 8
#define RC_TOP_BITS 24
#define RC_TOP_VALUE (1 << RC_TOP_BITS)
#define RC_BIT_MODEL_TOTAL_BITS 11
#define RC_BIT_MODEL_TOTAL (1 << RC_BIT_MODEL_TOTAL_BITS)
#define RC_MOVE_BITS 5
/*
* Maximum number of position states. A position state is the lowest pb
* number of bits of the current uncompressed offset. In some places there
* are different sets of probabilities for different position states.
*/
#define POS_STATES_MAX (1 << 4)
/*
* This enum is used to track which LZMA symbols have occurred most recently
* and in which order. This information is used to predict the next symbol.
*
* Symbols:
* - Literal: One 8-bit byte
* - Match: Repeat a chunk of data at some distance
* - Long repeat: Multi-byte match at a recently seen distance
* - Short repeat: One-byte repeat at a recently seen distance
*
* The symbol names are in from STATE_oldest_older_previous. REP means
* either short or long repeated match, and NONLIT means any non-literal.
*/
enum lzma_state {
STATE_LIT_LIT,
STATE_MATCH_LIT_LIT,
STATE_REP_LIT_LIT,
STATE_SHORTREP_LIT_LIT,
STATE_MATCH_LIT,
STATE_REP_LIT,
STATE_SHORTREP_LIT,
STATE_LIT_MATCH,
STATE_LIT_LONGREP,
STATE_LIT_SHORTREP,
STATE_NONLIT_MATCH,
STATE_NONLIT_REP
};
/* Total number of states */
#define STATES 12
/* The lowest 7 states indicate that the previous state was a literal. */
#define LIT_STATES 7
/* Indicate that the latest symbol was a literal. */
static inline void lzma_state_literal(enum lzma_state *state)
{
if (*state <= STATE_SHORTREP_LIT_LIT)
*state = STATE_LIT_LIT;
else if (*state <= STATE_LIT_SHORTREP)
*state -= 3;
else
*state -= 6;
}
/* Indicate that the latest symbol was a match. */
static inline void lzma_state_match(enum lzma_state *state)
{
*state = *state < LIT_STATES ? STATE_LIT_MATCH : STATE_NONLIT_MATCH;
}
/* Indicate that the latest state was a long repeated match. */
static inline void lzma_state_long_rep(enum lzma_state *state)
{
*state = *state < LIT_STATES ? STATE_LIT_LONGREP : STATE_NONLIT_REP;
}
/* Indicate that the latest symbol was a short match. */
static inline void lzma_state_short_rep(enum lzma_state *state)
{
*state = *state < LIT_STATES ? STATE_LIT_SHORTREP : STATE_NONLIT_REP;
}
/* Test if the previous symbol was a literal. */
static inline bool lzma_state_is_literal(enum lzma_state state)
{
return state < LIT_STATES;
}
/* Each literal coder is divided in three sections:
* - 0x001-0x0FF: Without match byte
* - 0x101-0x1FF: With match byte; match bit is 0
* - 0x201-0x2FF: With match byte; match bit is 1
*
* Match byte is used when the previous LZMA symbol was something else than
* a literal (that is, it was some kind of match).
*/
#define LITERAL_CODER_SIZE 0x300
/* Maximum number of literal coders */
#define LITERAL_CODERS_MAX (1 << 4)
/* Minimum length of a match is two bytes. */
#define MATCH_LEN_MIN 2
/* Match length is encoded with 4, 5, or 10 bits.
*
* Length Bits
* 2-9 4 = Choice=0 + 3 bits
* 10-17 5 = Choice=1 + Choice2=0 + 3 bits
* 18-273 10 = Choice=1 + Choice2=1 + 8 bits
*/
#define LEN_LOW_BITS 3
#define LEN_LOW_SYMBOLS (1 << LEN_LOW_BITS)
#define LEN_MID_BITS 3
#define LEN_MID_SYMBOLS (1 << LEN_MID_BITS)
#define LEN_HIGH_BITS 8
#define LEN_HIGH_SYMBOLS (1 << LEN_HIGH_BITS)
#define LEN_SYMBOLS (LEN_LOW_SYMBOLS + LEN_MID_SYMBOLS + LEN_HIGH_SYMBOLS)
/*
* Maximum length of a match is 273 which is a result of the encoding
* described above.
*/
#define MATCH_LEN_MAX (MATCH_LEN_MIN + LEN_SYMBOLS - 1)
/*
* Different sets of probabilities are used for match distances that have
* very short match length: Lengths of 2, 3, and 4 bytes have a separate
* set of probabilities for each length. The matches with longer length
* use a shared set of probabilities.
*/
#define DIST_STATES 4
/*
* Get the index of the appropriate probability array for decoding
* the distance slot.
*/
static inline uint32_t lzma_get_dist_state(uint32_t len)
{
return len < DIST_STATES + MATCH_LEN_MIN
? len - MATCH_LEN_MIN : DIST_STATES - 1;
}
/*
* The highest two bits of a 32-bit match distance are encoded using six bits.
* This six-bit value is called a distance slot. This way encoding a 32-bit
* value takes 6-36 bits, larger values taking more bits.
*/
#define DIST_SLOT_BITS 6
#define DIST_SLOTS (1 << DIST_SLOT_BITS)
/* Match distances up to 127 are fully encoded using probabilities. Since
* the highest two bits (distance slot) are always encoded using six bits,
* the distances 0-3 don't need any additional bits to encode, since the
* distance slot itself is the same as the actual distance. DIST_MODEL_START
* indicates the first distance slot where at least one additional bit is
* needed.
*/
#define DIST_MODEL_START 4
/*
* Match distances greater than 127 are encoded in three pieces:
* - distance slot: the highest two bits
* - direct bits: 2-26 bits below the highest two bits
* - alignment bits: four lowest bits
*
* Direct bits don't use any probabilities.
*
* The distance slot value of 14 is for distances 128-191.
*/
#define DIST_MODEL_END 14
/* Distance slots that indicate a distance <= 127. */
#define FULL_DISTANCES_BITS (DIST_MODEL_END / 2)
#define FULL_DISTANCES (1 << FULL_DISTANCES_BITS)
/*
* For match distances greater than 127, only the highest two bits and the
* lowest four bits (alignment) is encoded using probabilities.
*/
#define ALIGN_BITS 4
#define ALIGN_SIZE (1 << ALIGN_BITS)
#define ALIGN_MASK (ALIGN_SIZE - 1)
/* Total number of all probability variables */
#define PROBS_TOTAL (1846 + LITERAL_CODERS_MAX * LITERAL_CODER_SIZE)
/*
* LZMA remembers the four most recent match distances. Reusing these
* distances tends to take less space than re-encoding the actual
* distance value.
*/
#define REPS 4
#endif

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Plugson/src/Lib/xz-embedded/linux/lib/xz/xz_private.h
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/*
* Private includes and definitions
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#ifndef XZ_PRIVATE_H
#define XZ_PRIVATE_H
#ifdef __KERNEL__
# include <linux/xz.h>
# include <linux/kernel.h>
# include <asm/unaligned.h>
/* XZ_PREBOOT may be defined only via decompress_unxz.c. */
# ifndef XZ_PREBOOT
# include <linux/slab.h>
# include <linux/vmalloc.h>
# include <linux/string.h>
# ifdef CONFIG_XZ_DEC_X86
# define XZ_DEC_X86
# endif
# ifdef CONFIG_XZ_DEC_POWERPC
# define XZ_DEC_POWERPC
# endif
# ifdef CONFIG_XZ_DEC_IA64
# define XZ_DEC_IA64
# endif
# ifdef CONFIG_XZ_DEC_ARM
# define XZ_DEC_ARM
# endif
# ifdef CONFIG_XZ_DEC_ARMTHUMB
# define XZ_DEC_ARMTHUMB
# endif
# ifdef CONFIG_XZ_DEC_SPARC
# define XZ_DEC_SPARC
# endif
# define memeq(a, b, size) (memcmp(a, b, size) == 0)
# define memzero(buf, size) memset(buf, 0, size)
# endif
# define get_le32(p) le32_to_cpup((const uint32_t *)(p))
#else
/*
* For userspace builds, use a separate header to define the required
* macros and functions. This makes it easier to adapt the code into
* different environments and avoids clutter in the Linux kernel tree.
*/
# include "xz_config.h"
#endif
/* If no specific decoding mode is requested, enable support for all modes. */
#if !defined(XZ_DEC_SINGLE) && !defined(XZ_DEC_PREALLOC) \
&& !defined(XZ_DEC_DYNALLOC)
# define XZ_DEC_SINGLE
# define XZ_DEC_PREALLOC
# define XZ_DEC_DYNALLOC
#endif
/*
* The DEC_IS_foo(mode) macros are used in "if" statements. If only some
* of the supported modes are enabled, these macros will evaluate to true or
* false at compile time and thus allow the compiler to omit unneeded code.
*/
#ifdef XZ_DEC_SINGLE
# define DEC_IS_SINGLE(mode) ((mode) == XZ_SINGLE)
#else
# define DEC_IS_SINGLE(mode) (false)
#endif
#ifdef XZ_DEC_PREALLOC
# define DEC_IS_PREALLOC(mode) ((mode) == XZ_PREALLOC)
#else
# define DEC_IS_PREALLOC(mode) (false)
#endif
#ifdef XZ_DEC_DYNALLOC
# define DEC_IS_DYNALLOC(mode) ((mode) == XZ_DYNALLOC)
#else
# define DEC_IS_DYNALLOC(mode) (false)
#endif
#if !defined(XZ_DEC_SINGLE)
# define DEC_IS_MULTI(mode) (true)
#elif defined(XZ_DEC_PREALLOC) || defined(XZ_DEC_DYNALLOC)
# define DEC_IS_MULTI(mode) ((mode) != XZ_SINGLE)
#else
# define DEC_IS_MULTI(mode) (false)
#endif
/*
* If any of the BCJ filter decoders are wanted, define XZ_DEC_BCJ.
* XZ_DEC_BCJ is used to enable generic support for BCJ decoders.
*/
#ifndef XZ_DEC_BCJ
# if defined(XZ_DEC_X86) || defined(XZ_DEC_POWERPC) \
|| defined(XZ_DEC_IA64) || defined(XZ_DEC_ARM) \
|| defined(XZ_DEC_ARM) || defined(XZ_DEC_ARMTHUMB) \
|| defined(XZ_DEC_SPARC)
# define XZ_DEC_BCJ
# endif
#endif
/*
* Allocate memory for LZMA2 decoder. xz_dec_lzma2_reset() must be used
* before calling xz_dec_lzma2_run().
*/
XZ_EXTERN struct xz_dec_lzma2 *xz_dec_lzma2_create(enum xz_mode mode,
uint32_t dict_max);
/*
* Decode the LZMA2 properties (one byte) and reset the decoder. Return
* XZ_OK on success, XZ_MEMLIMIT_ERROR if the preallocated dictionary is not
* big enough, and XZ_OPTIONS_ERROR if props indicates something that this
* decoder doesn't support.
*/
XZ_EXTERN enum xz_ret xz_dec_lzma2_reset(struct xz_dec_lzma2 *s,
uint8_t props);
/* Decode raw LZMA2 stream from b->in to b->out. */
XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s,
struct xz_buf *b);
/* Free the memory allocated for the LZMA2 decoder. */
XZ_EXTERN void xz_dec_lzma2_end(struct xz_dec_lzma2 *s);
#ifdef XZ_DEC_BCJ
/*
* Allocate memory for BCJ decoders. xz_dec_bcj_reset() must be used before
* calling xz_dec_bcj_run().
*/
XZ_EXTERN struct xz_dec_bcj *xz_dec_bcj_create(bool single_call);
/*
* Decode the Filter ID of a BCJ filter. This implementation doesn't
* support custom start offsets, so no decoding of Filter Properties
* is needed. Returns XZ_OK if the given Filter ID is supported.
* Otherwise XZ_OPTIONS_ERROR is returned.
*/
XZ_EXTERN enum xz_ret xz_dec_bcj_reset(struct xz_dec_bcj *s, uint8_t id);
/*
* Decode raw BCJ + LZMA2 stream. This must be used only if there actually is
* a BCJ filter in the chain. If the chain has only LZMA2, xz_dec_lzma2_run()
* must be called directly.
*/
XZ_EXTERN enum xz_ret xz_dec_bcj_run(struct xz_dec_bcj *s,
struct xz_dec_lzma2 *lzma2,
struct xz_buf *b);
/* Free the memory allocated for the BCJ filters. */
#define xz_dec_bcj_end(s) kfree(s)
#endif
#endif

62
Plugson/src/Lib/xz-embedded/linux/lib/xz/xz_stream.h
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/*
* Definitions for handling the .xz file format
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#ifndef XZ_STREAM_H
#define XZ_STREAM_H
#if defined(__KERNEL__) && !XZ_INTERNAL_CRC32
# include <linux/crc32.h>
# undef crc32
# define xz_crc32(buf, size, crc) \
(~crc32_le(~(uint32_t)(crc), buf, size))
#endif
/*
* See the .xz file format specification at
* http://tukaani.org/xz/xz-file-format.txt
* to understand the container format.
*/
#define STREAM_HEADER_SIZE 12
#define HEADER_MAGIC "\3757zXZ"
#define HEADER_MAGIC_SIZE 6
#define FOOTER_MAGIC "YZ"
#define FOOTER_MAGIC_SIZE 2
/*
* Variable-length integer can hold a 63-bit unsigned integer or a special
* value indicating that the value is unknown.
*
* Experimental: vli_type can be defined to uint32_t to save a few bytes
* in code size (no effect on speed). Doing so limits the uncompressed and
* compressed size of the file to less than 256 MiB and may also weaken
* error detection slightly.
*/
typedef uint64_t vli_type;
#define VLI_MAX ((vli_type)-1 / 2)
#define VLI_UNKNOWN ((vli_type)-1)
/* Maximum encoded size of a VLI */
#define VLI_BYTES_MAX (sizeof(vli_type) * 8 / 7)
/* Integrity Check types */
enum xz_check {
XZ_CHECK_NONE = 0,
XZ_CHECK_CRC32 = 1,
XZ_CHECK_CRC64 = 4,
XZ_CHECK_SHA256 = 10
};
/* Maximum possible Check ID */
#define XZ_CHECK_MAX 15
#endif

23
Plugson/src/Lib/xz-embedded/linux/scripts/xz_wrap.sh
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#!/bin/sh
#
# This is a wrapper for xz to compress the kernel image using appropriate
# compression options depending on the architecture.
#
# Author: Lasse Collin <lasse.collin@tukaani.org>
#
# This file has been put into the public domain.
# You can do whatever you want with this file.
#
BCJ=
LZMA2OPTS=
case $SRCARCH in
x86) BCJ=--x86 ;;
powerpc) BCJ=--powerpc ;;
ia64) BCJ=--ia64; LZMA2OPTS=pb=4 ;;
arm) BCJ=--arm ;;
sparc) BCJ=--sparc ;;
esac
exec xz --check=crc32 $BCJ --lzma2=$LZMA2OPTS,dict=32MiB

96
Plugson/src/Lib/xz-embedded/userspace/boottest.c
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/*
* Test application for xz_boot.c
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#define STATIC static
#define INIT
static void error(/*const*/ char *msg)
{
fprintf(stderr, "%s\n", msg);
}
/* Disable the CRC64 support even if it was enabled in the Makefile. */
#undef XZ_USE_CRC64
#include "../linux/lib/decompress_unxz.c"
static uint8_t in[1024 * 1024];
static uint8_t out[1024 * 1024];
static int fill(void *buf, unsigned int size)
{
return fread(buf, 1, size, stdin);
}
static int flush(/*const*/ void *buf, unsigned int size)
{
return fwrite(buf, 1, size, stdout);
}
static void test_buf_to_buf(void)
{
size_t in_size;
int ret;
in_size = fread(in, 1, sizeof(in), stdin);
ret = decompress(in, in_size, NULL, NULL, out, NULL, &error);
/* fwrite(out, 1, FIXME, stdout); */
fprintf(stderr, "ret = %d\n", ret);
}
static void test_buf_to_cb(void)
{
size_t in_size;
int in_used;
int ret;
in_size = fread(in, 1, sizeof(in), stdin);
ret = decompress(in, in_size, NULL, &flush, NULL, &in_used, &error);
fprintf(stderr, "ret = %d; in_used = %d\n", ret, in_used);
}
static void test_cb_to_cb(void)
{
int ret;
ret = decompress(NULL, 0, &fill, &flush, NULL, NULL, &error);
fprintf(stderr, "ret = %d\n", ret);
}
/*
* Not used by Linux <= 2.6.37-rc4 and newer probably won't use it either,
* but this kind of use case is still required to be supported by the API.
*/
static void test_cb_to_buf(void)
{
int in_used;
int ret;
ret = decompress(in, 0, &fill, NULL, out, &in_used, &error);
/* fwrite(out, 1, FIXME, stdout); */
fprintf(stderr, "ret = %d; in_used = %d\n", ret, in_used);
}
int main(int argc, char **argv)
{
if (argc != 2)
fprintf(stderr, "Usage: %s [bb|bc|cc|cb]\n", argv[0]);
else if (strcmp(argv[1], "bb") == 0)
test_buf_to_buf();
else if (strcmp(argv[1], "bc") == 0)
test_buf_to_cb();
else if (strcmp(argv[1], "cc") == 0)
test_cb_to_cb();
else if (strcmp(argv[1], "cb") == 0)
test_cb_to_buf();
else
fprintf(stderr, "Usage: %s [bb|bc|cc|cb]\n", argv[0]);
return 0;
}

48
Plugson/src/Lib/xz-embedded/userspace/buftest.c
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/*
* Test application to test buffer-to-buffer decoding
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "xz.h"
#define BUFFER_SIZE (1024 * 1024)
static uint8_t in[BUFFER_SIZE];
static uint8_t out[BUFFER_SIZE];
int main(void)
{
struct xz_buf b;
struct xz_dec *s;
enum xz_ret ret;
xz_crc32_init();
s = xz_dec_init(XZ_SINGLE, 0);
if (s == NULL) {
fputs("Initialization failed", stderr);
return 1;
}
b.in = in;
b.in_pos = 0;
b.in_size = fread(in, 1, sizeof(in), stdin);
b.out = out;
b.out_pos = 0;
b.out_size = sizeof(out);
ret = xz_dec_run(s, &b);
xz_dec_end(s);
fwrite(out, 1, b.out_pos, stdout);
fprintf(stderr, "%d\n", ret);
return 0;
}

135
Plugson/src/Lib/xz-embedded/userspace/bytetest.c
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/*
* Lazy test for the case when the output size is known
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "xz.h"
static uint8_t in[1];
static uint8_t out[BUFSIZ];
int main(int argc, char **argv)
{
struct xz_buf b;
struct xz_dec *s;
enum xz_ret ret;
const char *msg;
size_t uncomp_size;
if (argc != 2) {
fputs("Give uncompressed size as the argument", stderr);
return 1;
}
uncomp_size = atoi(argv[1]);
xz_crc32_init();
/*
* Support up to 64 MiB dictionary. The actually needed memory
* is allocated once the headers have been parsed.
*/
s = xz_dec_init(XZ_DYNALLOC, 1 << 26);
if (s == NULL) {
msg = "Memory allocation failed\n";
goto error;
}
b.in = in;
b.in_pos = 0;
b.in_size = 0;
b.out = out;
b.out_pos = 0;
b.out_size = uncomp_size < BUFSIZ ? uncomp_size : BUFSIZ;
while (true) {
if (b.in_pos == b.in_size) {
b.in_size = fread(in, 1, sizeof(in), stdin);
b.in_pos = 0;
}
ret = xz_dec_run(s, &b);
if (b.out_pos == sizeof(out)) {
if (fwrite(out, 1, b.out_pos, stdout) != b.out_pos) {
msg = "Write error\n";
goto error;
}
uncomp_size -= b.out_pos;
b.out_pos = 0;
b.out_size = uncomp_size < BUFSIZ
? uncomp_size : BUFSIZ;
}
if (ret == XZ_OK)
continue;
#ifdef XZ_DEC_ANY_CHECK
if (ret == XZ_UNSUPPORTED_CHECK) {
fputs(argv[0], stderr);
fputs(": ", stderr);
fputs("Unsupported check; not verifying "
"file integrity\n", stderr);
continue;
}
#endif
if (uncomp_size != b.out_pos) {
msg = "Uncompressed size doesn't match\n";
goto error;
}
if (fwrite(out, 1, b.out_pos, stdout) != b.out_pos
|| fclose(stdout)) {
msg = "Write error\n";
goto error;
}
switch (ret) {
case XZ_STREAM_END:
xz_dec_end(s);
return 0;
case XZ_MEM_ERROR:
msg = "Memory allocation failed\n";
goto error;
case XZ_MEMLIMIT_ERROR:
msg = "Memory usage limit reached\n";
goto error;
case XZ_FORMAT_ERROR:
msg = "Not a .xz file\n";
goto error;
case XZ_OPTIONS_ERROR:
msg = "Unsupported options in the .xz headers\n";
goto error;
case XZ_DATA_ERROR:
case XZ_BUF_ERROR:
msg = "File is corrupt\n";
goto error;
default:
msg = "Bug!\n";
goto error;
}
}
error:
xz_dec_end(s);
fputs(argv[0], stderr);
fputs(": ", stderr);
fputs(msg, stderr);
return 1;
}

124
Plugson/src/Lib/xz-embedded/userspace/xz_config.h
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/*
* Private includes and definitions for userspace use of XZ Embedded
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
#ifndef XZ_CONFIG_H
#define XZ_CONFIG_H
/* Uncomment to enable CRC64 support. */
/* #define XZ_USE_CRC64 */
/* Uncomment as needed to enable BCJ filter decoders. */
/* #define XZ_DEC_X86 */
/* #define XZ_DEC_POWERPC */
/* #define XZ_DEC_IA64 */
/* #define XZ_DEC_ARM */
/* #define XZ_DEC_ARMTHUMB */
/* #define XZ_DEC_SPARC */
/*
* MSVC doesn't support modern C but XZ Embedded is mostly C89
* so these are enough.
*/
#ifdef _MSC_VER
typedef unsigned char bool;
# define true 1
# define false 0
# define inline __inline
#else
# include <stdbool.h>
#endif
#include <stdlib.h>
#include <string.h>
#include "xz.h"
#define kmalloc(size, flags) malloc(size)
#define kfree(ptr) free(ptr)
#define vmalloc(size) malloc(size)
#define vfree(ptr) free(ptr)
#define memeq(a, b, size) (memcmp(a, b, size) == 0)
#define memzero(buf, size) memset(buf, 0, size)
#ifndef min
# define min(x, y) ((x) < (y) ? (x) : (y))
#endif
#define min_t(type, x, y) min(x, y)
/*
* Some functions have been marked with __always_inline to keep the
* performance reasonable even when the compiler is optimizing for
* small code size. You may be able to save a few bytes by #defining
* __always_inline to plain inline, but don't complain if the code
* becomes slow.
*
* NOTE: System headers on GNU/Linux may #define this macro already,
* so if you want to change it, you need to #undef it first.
*/
#ifndef __always_inline
# ifdef __GNUC__
# define __always_inline \
inline __attribute__((__always_inline__))
# else
# define __always_inline inline
# endif
#endif
/* Inline functions to access unaligned unsigned 32-bit integers */
#ifndef get_unaligned_le32
static inline uint32_t get_unaligned_le32(const uint8_t *buf)
{
return (uint32_t)buf[0]
| ((uint32_t)buf[1] << 8)
| ((uint32_t)buf[2] << 16)
| ((uint32_t)buf[3] << 24);
}
#endif
#ifndef get_unaligned_be32
static inline uint32_t get_unaligned_be32(const uint8_t *buf)
{
return (uint32_t)(buf[0] << 24)
| ((uint32_t)buf[1] << 16)
| ((uint32_t)buf[2] << 8)
| (uint32_t)buf[3];
}
#endif
#ifndef put_unaligned_le32
static inline void put_unaligned_le32(uint32_t val, uint8_t *buf)
{
buf[0] = (uint8_t)val;
buf[1] = (uint8_t)(val >> 8);
buf[2] = (uint8_t)(val >> 16);
buf[3] = (uint8_t)(val >> 24);
}
#endif
#ifndef put_unaligned_be32
static inline void put_unaligned_be32(uint32_t val, uint8_t *buf)
{
buf[0] = (uint8_t)(val >> 24);
buf[1] = (uint8_t)(val >> 16);
buf[2] = (uint8_t)(val >> 8);
buf[3] = (uint8_t)val;
}
#endif
/*
* Use get_unaligned_le32() also for aligned access for simplicity. On
* little endian systems, #define get_le32(ptr) (*(const uint32_t *)(ptr))
* could save a few bytes in code size.
*/
#ifndef get_le32
# define get_le32 get_unaligned_le32
#endif
#endif

135
Plugson/src/Lib/xz-embedded/userspace/xzminidec.c
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/*
* Simple XZ decoder command line tool
*
* Author: Lasse Collin <lasse.collin@tukaani.org>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
/*
* This is really limited: Not all filters from .xz format are supported,
* only CRC32 is supported as the integrity check, and decoding of
* concatenated .xz streams is not supported. Thus, you may want to look
* at xzdec from XZ Utils if a few KiB bigger tool is not a problem.
*/
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "xz.h"
static uint8_t in[BUFSIZ];
static uint8_t out[BUFSIZ];
int main(int argc, char **argv)
{
struct xz_buf b;
struct xz_dec *s;
enum xz_ret ret;
const char *msg;
if (argc >= 2 && strcmp(argv[1], "--help") == 0) {
fputs("Uncompress a .xz file from stdin to stdout.\n"
"Arguments other than `--help' are ignored.\n",
stdout);
return 0;
}
xz_crc32_init();
#ifdef XZ_USE_CRC64
xz_crc64_init();
#endif
/*
* Support up to 64 MiB dictionary. The actually needed memory
* is allocated once the headers have been parsed.
*/
s = xz_dec_init(XZ_DYNALLOC, 1 << 26);
if (s == NULL) {
msg = "Memory allocation failed\n";
goto error;
}
b.in = in;
b.in_pos = 0;
b.in_size = 0;
b.out = out;
b.out_pos = 0;
b.out_size = BUFSIZ;
while (true) {
if (b.in_pos == b.in_size) {
b.in_size = fread(in, 1, sizeof(in), stdin);
b.in_pos = 0;
}
ret = xz_dec_run(s, &b);
if (b.out_pos == sizeof(out)) {
if (fwrite(out, 1, b.out_pos, stdout) != b.out_pos) {
msg = "Write error\n";
goto error;
}
b.out_pos = 0;
}
if (ret == XZ_OK)
continue;
#ifdef XZ_DEC_ANY_CHECK
if (ret == XZ_UNSUPPORTED_CHECK) {
fputs(argv[0], stderr);
fputs(": ", stderr);
fputs("Unsupported check; not verifying "
"file integrity\n", stderr);
continue;
}
#endif
if (fwrite(out, 1, b.out_pos, stdout) != b.out_pos
|| fclose(stdout)) {
msg = "Write error\n";
goto error;
}
switch (ret) {
case XZ_STREAM_END:
xz_dec_end(s);
return 0;
case XZ_MEM_ERROR:
msg = "Memory allocation failed\n";
goto error;
case XZ_MEMLIMIT_ERROR:
msg = "Memory usage limit reached\n";
goto error;
case XZ_FORMAT_ERROR:
msg = "Not a .xz file\n";
goto error;
case XZ_OPTIONS_ERROR:
msg = "Unsupported options in the .xz headers\n";
goto error;
case XZ_DATA_ERROR:
case XZ_BUF_ERROR:
msg = "File is corrupt\n";
goto error;
default:
msg = "Bug!\n";
goto error;
}
}
error:
xz_dec_end(s);
fputs(argv[0], stderr);
fputs(": ", stderr);
fputs(msg, stderr);
return 1;
}

5073
Plugson/src/Web/ventoy_http.c
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402
Plugson/src/Web/ventoy_http.h
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/******************************************************************************
* ventoy_http.h
*
* Copyright (c) 2021, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __VENTOY_HTTP_H__
#define __VENTOY_HTTP_H__
#include <civetweb.h>
#define L1 " "
#define L2 " "
#define L3 " "
#define L4 " "
typedef enum bios_mode
{
bios_common = 0,
bios_legacy,
bios_uefi,
bios_ia32,
bios_aa64,
bios_mips,
bios_max
}bios_mode;
typedef struct data_control
{
int default_menu_mode;
int treeview_style;
int filter_dot_underscore;
int sort_casesensitive;
int max_search_level;
int vhd_no_warning;
int filter_iso;
int filter_wim;
int filter_efi;
int filter_img;
int filter_vhd;
int filter_vtoy;
int win11_bypass_check;
int menu_timeout;
char default_search_root[MAX_PATH];
char default_image[MAX_PATH];
char default_kbd_layout[32];
char help_text_language[32];
}data_control;
#define display_mode_gui 0
#define display_mode_cli 1
#define display_mode_serial 2
#define display_mode_ser_console 3
typedef struct path_node
{
char path[MAX_PATH];
struct path_node *next;
}path_node;
typedef struct data_theme
{
int default_file;
path_node *filelist;
int display_mode;
char gfxmode[32];
char ventoy_left[32];
char ventoy_top[32];
char ventoy_color[32];
char serial_param[256];
path_node *fontslist;
}data_theme;
#define path_type_file 0
#define path_type_dir 1
typedef struct data_alias_node
{
int type;
char path[MAX_PATH];
char alias[256];
struct data_alias_node *next;
}data_alias_node;
typedef struct data_alias
{
data_alias_node *list;
}data_alias;
typedef struct data_tip_node
{
int type;
char path[MAX_PATH];
char tip[256];
struct data_tip_node *next;
}data_tip_node;
typedef struct data_tip
{
char left[32];
char top[32];
char color[32];
data_tip_node *list;
}data_tip;
#define class_type_key 0
#define class_type_dir 1
#define class_type_parent 2
typedef struct data_class_node
{
int type;
char path[MAX_PATH];
char class[256];
struct data_class_node *next;
}data_class_node;
typedef struct data_class
{
data_class_node *list;
}data_class;
typedef struct data_auto_memdisk
{
path_node *list;
}data_auto_memdisk;
typedef struct data_image_list
{
int type;
path_node *list;
}data_image_list;
typedef struct menu_password
{
int type;
char path[MAX_PATH];
char pwd[256];
struct menu_password *next;
}menu_password;
typedef struct data_password
{
char bootpwd[256];
char isopwd[256];
char wimpwd[256];
char vhdpwd[256];
char imgpwd[256];
char efipwd[256];
char vtoypwd[256];
menu_password *list;
}data_password;
typedef struct conf_replace_node
{
int image;
char path[MAX_PATH];
char org[256];
char new[MAX_PATH];
struct conf_replace_node *next;
}conf_replace_node;
typedef struct data_conf_replace
{
conf_replace_node *list;
}data_conf_replace;
typedef struct injection_node
{
int type;
char path[MAX_PATH];
char archive[MAX_PATH];
struct injection_node *next;
}injection_node;
typedef struct data_injection
{
injection_node *list;
}data_injection;
typedef struct dud_node
{
char path[MAX_PATH];
path_node *list;
struct dud_node *next;
}dud_node;
typedef struct data_dud
{
dud_node *list;
}data_dud;
typedef struct auto_install_node
{
int timeouten;
int timeout;
int autoselen;
int autosel;
int type;
char path[MAX_PATH];
path_node *list;
struct auto_install_node *next;
}auto_install_node;
typedef struct data_auto_install
{
auto_install_node *list;
}data_auto_install;
typedef struct persistence_node
{
int timeouten;
int timeout;
int autoselen;
int autosel;
int type;
char path[MAX_PATH];
path_node *list;
struct persistence_node *next;
}persistence_node;
typedef struct data_persistence
{
persistence_node *list;
}data_persistence;
#define ventoy_save_plug(plug) \
{\
for (i = 0; i < bios_max; i++) \
{\
scnprintf(title, sizeof(title), "%s%s", #plug, g_json_title_postfix[i]);\
if (ventoy_data_cmp_##plug(g_data_##plug + i, g_data_##plug + bios_max))\
{\
pos += ventoy_data_save_##plug(g_data_##plug + i, title, JSON_SAVE_BUFFER + pos, JSON_BUF_MAX - pos);\
}\
}\
}
#define api_get_func(conn, json, name) \
{\
int i = 0; \
int pos = 0; \
\
(void)json;\
\
VTOY_JSON_FMT_BEGIN(pos, JSON_BUFFER, JSON_BUF_MAX);\
VTOY_JSON_FMT_ARY_BEGIN();\
\
for (i = 0; i <= bios_max; i++)\
{\
__uiCurPos += ventoy_data_json_##name(g_data_##name + i, JSON_BUFFER + __uiCurPos, JSON_BUF_MAX - __uiCurPos);\
VTOY_JSON_FMT_COMA();\
}\
\
VTOY_JSON_FMT_ARY_END();\
VTOY_JSON_FMT_END(pos);\
\
ventoy_json_buffer(conn, JSON_BUFFER, pos);\
}
#define vtoy_list_free(type, list) \
{\
type *__next = NULL;\
type *__node = list;\
while (__node)\
{\
__next = __node->next;\
free(__node);\
__node = __next;\
}\
}
#define vtoy_list_del(last, node, LIST, field) \
for (last = node = LIST; node; node = node->next) \
{\
if (strcmp(node->field, field) == 0)\
{\
if (node == LIST)\
{\
LIST = LIST->next;\
}\
else\
{\
last->next = node->next;\
}\
free(node);\
break;\
}\
\
last = node;\
}
#define vtoy_list_del_ex(last, node, LIST, field, cb) \
for (last = node = LIST; node; node = node->next) \
{\
if (strcmp(node->field, field) == 0)\
{\
if (node == LIST)\
{\
LIST = LIST->next;\
}\
else\
{\
last->next = node->next;\
}\
cb(node->list);\
free(node);\
break;\
}\
\
last = node;\
}
#define vtoy_list_add(LIST, cur, node) \
if (LIST)\
{\
cur = LIST;\
while (cur && cur->next)\
{\
cur = cur->next;\
}\
cur->next = node;\
}\
else\
{\
LIST = node;\
}
#define ventoy_parse_json(name) \
{\
int __loop;\
int __len = strlen(#name);\
if (strncmp(#name, node->pcName, __len) == 0)\
{\
for (__loop = 0; __loop < bios_max; __loop++)\
{\
if (strcmp(g_json_title_postfix[__loop], node->pcName + __len) == 0)\
{\
vlog("json parse <%s>\n", node->pcName);\
ventoy_parse_##name(node, g_data_##name + __loop);\
break;\
}\
}\
} \
}
#define CONTROL_PARSE_INT(node, val) \
if (node->unData.pcStrVal[0] == '1') val = 1
#define VTOY_JSON_INT(key, val) vtoy_json_get_int(json, key, &val)
#define VTOY_JSON_STR(key, buf) vtoy_json_get_string(json, key, sizeof(buf), buf)
#define VTOY_JSON_STR_EX(key) vtoy_json_get_string_ex(json, key)
typedef int (*ventoy_json_callback)(struct mg_connection *conn, VTOY_JSON *json);
typedef struct JSON_CB
{
const char *method;
ventoy_json_callback callback;
}JSON_CB;
int ventoy_http_init(void);
void ventoy_http_exit(void);
int ventoy_http_start(const char *ip, const char *port);
int ventoy_http_stop(void);
int ventoy_data_save_all(void);
#endif /* __VENTOY_HTTP_H__ */

112
Plugson/src/main_linux.c
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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/types.h>
#include <linux/limits.h>
#include <ventoy_define.h>
#include <ventoy_util.h>
#include <ventoy_json.h>
#include <ventoy_disk.h>
#include <ventoy_http.h>
char g_log_file[MAX_PATH];
char g_cur_dir[MAX_PATH];
char g_ventoy_dir[MAX_PATH];
int ventoy_log_init(void);
void ventoy_log_exit(void);
void ventoy_signal_stop(int sig)
{
vlog("ventoy server exit due to signal ...\n");
printf("ventoy server exit ...\n");
ventoy_http_stop();
ventoy_http_exit();
#ifndef VENTOY_SIM
ventoy_www_exit();
#endif
ventoy_disk_exit();
ventoy_log_exit();
exit(0);
}
int main(int argc, char **argv)
{
int rc;
const char *ip = "127.0.0.1";
const char *port = "24681";
if (argc != 9)
{
printf("Invalid argc %d\n", argc);
return 1;
}
if (isdigit(argv[1][0]))
{
ip = argv[1];
}
if (isdigit(argv[2][0]))
{
port = argv[2];
}
strlcpy(g_ventoy_dir, argv[3]);
scnprintf(g_log_file, sizeof(g_log_file), "%s/%s", g_ventoy_dir, LOG_FILE);
ventoy_log_init();
getcwd(g_cur_dir, MAX_PATH);
if (!ventoy_is_directory_exist("./ventoy"))
{
printf("%s/ventoy directory does not exist\n", g_cur_dir);
return 1;
}
ventoy_get_disk_info(argv);
vlog("===============================================\n");
vlog("===== Ventoy Plugson %s:%s =====\n", ip, port);
vlog("===============================================\n");
ventoy_disk_init();
#ifndef VENTOY_SIM
rc = ventoy_www_init();
if (rc)
{
printf("Failed to init web data, check log for details.\n");
ventoy_disk_exit();
ventoy_log_exit();
return 1;
}
#endif
ventoy_http_init();
rc = ventoy_http_start(ip, port);
if (rc)
{
printf("Ventoy failed to start http server, check ./ventoy/plugson.log for detail\n");
}
else
{
signal(SIGINT, ventoy_signal_stop);
signal(SIGTSTP, ventoy_signal_stop);
signal(SIGQUIT, ventoy_signal_stop);
while (1)
{
sleep(100);
}
}
return 0;
}

527
Plugson/src/main_windows.c
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#include <Windows.h>
#include <Shlobj.h>
#include <tlhelp32.h>
#include <Psapi.h>
#include <commctrl.h>
#include <resource.h>
#include <ventoy_define.h>
#include <ventoy_util.h>
#include <ventoy_json.h>
#include <ventoy_disk.h>
#include <ventoy_http.h>
static BOOL g_running = FALSE;
static HWND g_refresh_button;
static HWND g_start_button;
static HWND g_openlink_button;
static HWND g_exit_button;
static HWND g_ComboxHwnd;
typedef enum MSGID
{
MSGID_ERROR = 0,
MSGID_INFO,
MSGID_INVALID_DIR,
MSGID_NEW_DIR_FAIL,
MSGID_RENAME_VENTOY,
MSGID_INTERNAL_ERR,
MSGID_BTN_REFRESH,
MSGID_BTN_START,
MSGID_BTN_STOP,
MSGID_BTN_LINK,
MSGID_BTN_EXIT,
MSGID_BTN_STOP_TIP,
MSGID_BTN_EXIT_TIP,
MSGID_RUNNING_TIP,
MSGID_BUTT
}MSGID;
const WCHAR *g_msg_cn[MSGID_BUTT] =
{
L"错误",
L"提醒",
L"请在 Ventoy 盘根目录下运行本程序！（存放ISO文件的位置）",
L"创建 ventoy 目录失败，无法继续！",
L"ventoy 目录存在，但是大小写不匹配，请先将其重命名！",
L"内部错误，程序即将退出！",
L"刷新",
L"启动",
L"停止",
L"链接",
L"退出",
L"停止运行后浏览器页面将会关闭，是否继续？",
L"当前服务正在运行，是否退出？",
L"请先关闭正在运行的 VentoyPlugson 程序！",
};
const WCHAR *g_msg_en[MSGID_BUTT] =
{
L"Error",
L"Info",
L"Please run me at the root of Ventoy partition.",
L"Failed to create ventoy directory!",
L"ventoy directory case mismatch, please rename it first!",
L"Internal error, the program will exit!",
L"Refresh",
L"Start",
L"Stop",
L"Link",
L"Exit",
L"The browser page will close after stop, continue?",
L"Service is running, continue?",
L"Please close another running VentoyPlugson instance!",
};
const WCHAR **g_msg_lang = NULL;
HINSTANCE g_hInst;
char g_log_file[MAX_PATH];
char g_cur_dir[MAX_PATH];
int ventoy_log_init(void);
void ventoy_log_exit(void);
static BOOL OnDestroyDialog()
{
ventoy_http_exit();
ventoy_disk_exit();
#ifndef VENTOY_SIM
ventoy_www_exit();
#endif
ventoy_log_exit();
return TRUE;
}
static void OpenURL(void)
{
int i;
char url[128];
const static char * Browsers[] =
{
"C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe",
"C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe",
"C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe",
"C:\\Program Files\\Mozilla Firefox\\firefox.exe",
NULL
};
sprintf_s(url, sizeof(url), "http://%s:%s/index.html", g_sysinfo.ip, g_sysinfo.port);
for (i = 0; Browsers[i] != NULL; i++)
{
if (ventoy_is_file_exist("%s", Browsers[i]))
{
ShellExecuteA(NULL, "open", Browsers[i], url, NULL, SW_SHOW);
return;
}
}
ShellExecuteA(NULL, "open", url, NULL, NULL, SW_SHOW);
}
static void FillCombox(HWND hWnd)
{
int i = 0;
int num = 0;
const ventoy_disk *list = NULL;
CHAR DeviceName[256];
// delete all items
SendMessage(g_ComboxHwnd, CB_RESETCONTENT, 0, 0);
list = ventoy_get_disk_list(&num);
if (NULL == list || num <= 0)
{
return;
}
for (i = 0; i < num; i++)
{
sprintf_s(DeviceName, sizeof(DeviceName),
"%C: [%s] %s",
list[i].devname[0],
list[i].cur_capacity,
list[i].cur_model);
SendMessageA(g_ComboxHwnd, CB_ADDSTRING, 0, (LPARAM)DeviceName);
}
SendMessage(g_ComboxHwnd, CB_SETCURSEL, 0, 0);
}
static BOOL InitDialog(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
HICON hIcon;
g_ComboxHwnd = GetDlgItem(hWnd, IDC_COMBO1);
g_refresh_button = GetDlgItem(hWnd, IDC_BUTTON1);
g_start_button = GetDlgItem(hWnd, IDC_BUTTON2);
g_openlink_button = GetDlgItem(hWnd, IDC_BUTTON3);
g_exit_button = GetDlgItem(hWnd, IDC_BUTTON4);
hIcon = LoadIcon(g_hInst, MAKEINTRESOURCE(IDI_ICON1));
SendMessage(hWnd, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
SendMessage(hWnd, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);
SetWindowTextW(g_refresh_button, g_msg_lang[MSGID_BTN_REFRESH]);
SetWindowTextW(g_start_button, g_msg_lang[MSGID_BTN_START]);
SetWindowTextW(g_openlink_button, g_msg_lang[MSGID_BTN_LINK]);
SetWindowTextW(g_exit_button, g_msg_lang[MSGID_BTN_EXIT]);
EnableWindow(g_openlink_button, FALSE);
FillCombox(hWnd);
return TRUE;
}
static void VentoyStopService()
{
ventoy_http_stop();
}
static int VentoyStartService(int sel)
{
int rc;
BOOL bRet;
char Path[128];
char CurDir[MAX_PATH];
const ventoy_disk *disk = NULL;
vlog("VentoyStartService ...\n");
disk = ventoy_get_disk_node(sel);
if (disk == NULL)
{
return 1;
}
vlog("Start service at %C: %s %s ...\n", disk->devname[0], disk->cur_model, disk->cur_ventoy_ver);
g_cur_dir[0] = disk->devname[0];
g_cur_dir[1] = ':';
g_cur_dir[2] = '\\';
g_cur_dir[3] = 0;
g_sysinfo.pathcase = disk->pathcase;
g_sysinfo.cur_secureboot = disk->cur_secureboot;
g_sysinfo.cur_part_style = disk->cur_part_style;
strlcpy(g_sysinfo.cur_fsname, disk->cur_fsname);
strlcpy(g_sysinfo.cur_capacity, disk->cur_capacity);
strlcpy(g_sysinfo.cur_model, disk->cur_model);
strlcpy(g_sysinfo.cur_ventoy_ver, disk->cur_ventoy_ver);
bRet = SetCurrentDirectoryA(g_cur_dir);
vlog("SetCurrentDirectoryA %u <%s>\n", bRet, g_cur_dir);
CurDir[0] = 0;
GetCurrentDirectoryA(sizeof(CurDir), CurDir);
vlog("CurDir=<%s>\n", CurDir);
if (strcmp(g_cur_dir, CurDir))
{
vlog("Failed to change current directory.");
}
g_cur_dir[2] = 0;
if (ventoy_is_directory_exist("ventoy"))
{
if (g_sysinfo.pathcase)
{
vlog("ventoy directory already exist, check case sensitive.\n");
strlcpy(Path, "ventoy");
rc = ventoy_path_case(Path, 0);
vlog("ventoy_path_case actual path is <%s> <count:%d>\n", Path, rc);
if (rc)
{
vlog("ventoy directory case mismatch, rename<%s>--><%s>\n", Path, "ventoy");
if (MoveFileA(Path, "ventoy"))
{
vlog("Rename <%s>--><%s> success\n", Path, "ventoy");
}
else
{
vlog("Rename <%s>--><%s> failed %u\n", Path, "ventoy", LASTERR);
MessageBoxW(NULL, g_msg_lang[MSGID_RENAME_VENTOY], g_msg_lang[MSGID_ERROR], MB_OK | MB_ICONERROR);
return 1;
}
}
}
else
{
vlog("ventoy directory already exist, no need to check case sensitive.\n");
}
}
else
{
if (CreateDirectoryA("ventoy", NULL))
{
vlog("Create ventoy directory success.\n");
}
else
{
vlog("Create ventoy directory failed %u.\n", LASTERR);
MessageBoxW(NULL, g_msg_lang[MSGID_NEW_DIR_FAIL], g_msg_lang[MSGID_ERROR], MB_OK | MB_ICONERROR);
return 1;
}
}
return ventoy_http_start(g_sysinfo.ip, g_sysinfo.port);
}
INT_PTR CALLBACK DialogProc(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
int rc;
int nCurSel;
WORD NotifyCode;
WORD CtrlID;
switch (Message)
{
case WM_NOTIFY:
{
UINT code = 0;
UINT_PTR idFrom = 0;
if (lParam)
{
code = ((LPNMHDR)lParam)->code;
idFrom = ((LPNMHDR)lParam)->idFrom;
}
if (idFrom == IDC_SYSLINK1 && (NM_CLICK == code || NM_RETURN == code))
{
OpenURL();
}
break;
}
case WM_COMMAND:
{
NotifyCode = HIWORD(wParam);
CtrlID = LOWORD(wParam);
if (NotifyCode == BN_CLICKED)
{
if (CtrlID == IDC_BUTTON1)
{
if (!g_running)
{
//refresh
ventoy_disk_exit();
ventoy_disk_init();
FillCombox(hWnd);
}
}
else if (CtrlID == IDC_BUTTON2)
{
if (g_running)
{
if (IDYES == MessageBoxW(NULL, g_msg_lang[MSGID_BTN_STOP_TIP], g_msg_lang[MSGID_INFO], MB_YESNO | MB_ICONINFORMATION))
{
VentoyStopService();
g_running = FALSE;
SetWindowTextW(g_start_button, g_msg_lang[MSGID_BTN_START]);
EnableWindow(g_ComboxHwnd, TRUE);
EnableWindow(g_refresh_button, TRUE);
EnableWindow(g_openlink_button, FALSE);
}
}
else
{
nCurSel = (int)SendMessage(g_ComboxHwnd, CB_GETCURSEL, 0, 0);
if (CB_ERR != nCurSel)
{
rc = VentoyStartService(nCurSel);
if (rc)
{
vlog("Ventoy failed to start http server, check %s for detail\n", g_log_file);
MessageBoxW(NULL, g_msg_lang[MSGID_INTERNAL_ERR], g_msg_lang[MSGID_ERROR], MB_OK | MB_ICONERROR);
}
else
{
g_running = TRUE;
SetWindowTextW(g_start_button, g_msg_lang[MSGID_BTN_STOP]);
EnableWindow(g_ComboxHwnd, FALSE);
EnableWindow(g_refresh_button, FALSE);
EnableWindow(g_openlink_button, TRUE);
OpenURL();
}
}
}
}
else if (CtrlID == IDC_BUTTON3)
{
if (g_running)
{
OpenURL();
}
}
else if (CtrlID == IDC_BUTTON4)
{
if (g_running)
{
if (IDYES != MessageBoxW(NULL, g_msg_lang[MSGID_BTN_EXIT_TIP], g_msg_lang[MSGID_INFO], MB_YESNO | MB_ICONINFORMATION))
{
return 0;
}
ventoy_http_stop();
}
OnDestroyDialog();
EndDialog(hWnd, 0);
}
}
break;
}
case WM_INITDIALOG:
{
InitDialog(hWnd, wParam, lParam);
break;
}
case WM_CLOSE:
{
if (g_running)
{
if (IDYES != MessageBoxW(NULL, g_msg_lang[MSGID_BTN_EXIT_TIP], g_msg_lang[MSGID_INFO], MB_YESNO | MB_ICONINFORMATION))
{
return 0;
}
VentoyStopService();
}
OnDestroyDialog();
EndDialog(hWnd, 0);
}
}
return 0;
}
static int ParseCmdLine(LPSTR lpCmdLine, char *ip, char *port)
{
int portnum;
char *ipstart = ip;
char *pos;
if (!lpCmdLine)
{
return 0;
}
pos = strstr(lpCmdLine, "-H");
if (!pos)
{
pos = strstr(lpCmdLine, "-h");
}
if (pos)
{
pos += 2;
while (*pos == ' ' || *pos == '\t')
{
pos++;
}
while (isdigit(*pos) || *pos == '.')
{
*ipstart++ = *pos++;
}
}
pos = strstr(lpCmdLine, "-P");
if (!pos)
{
pos = strstr(lpCmdLine, "-p");
}
if (pos)
{
portnum = (int)strtol(pos + 3, NULL, 10);
sprintf_s(port, 16, "%d", portnum);
}
return 0;
}
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow)
{
int rc;
HANDLE hMutex;
UNREFERENCED_PARAMETER(hPrevInstance);
if (GetUserDefaultUILanguage() == 0x0804)
{
g_sysinfo.language = LANGUAGE_CN;
g_msg_lang = g_msg_cn;
}
else
{
g_sysinfo.language = LANGUAGE_EN;
g_msg_lang = g_msg_en;
}
hMutex = CreateMutexA(NULL, TRUE, "PlugsonMUTEX");
if ((hMutex != NULL) && (GetLastError() == ERROR_ALREADY_EXISTS))
{
MessageBoxW(NULL, g_msg_lang[MSGID_RUNNING_TIP], g_msg_lang[MSGID_ERROR], MB_OK | MB_ICONERROR);
return 1;
}
GetCurrentDirectoryA(MAX_PATH, g_cur_dir);
sprintf_s(g_log_file, sizeof(g_log_file), "%s\\%s", g_cur_dir, LOG_FILE);
ventoy_log_init();
ParseCmdLine(lpCmdLine, g_sysinfo.ip, g_sysinfo.port);
if (g_sysinfo.ip[0] == 0)
{
strlcpy(g_sysinfo.ip, "127.0.0.1");
}
if (g_sysinfo.port[0] == 0)
{
strlcpy(g_sysinfo.port, "24681");
}
vlog("===============================================\n");
vlog("===== Ventoy Plugson %s:%s =====\n", g_sysinfo.ip, g_sysinfo.port);
vlog("===============================================\n");
ventoy_disk_init();
#ifndef VENTOY_SIM
rc = ventoy_www_init();
if (rc)
{
vlog("Failed to init www\n");
MessageBoxW(NULL, g_msg_lang[MSGID_INTERNAL_ERR], g_msg_lang[MSGID_ERROR], MB_OK | MB_ICONERROR);
ventoy_disk_exit();
ventoy_log_exit();
return 1;
}
#endif
ventoy_http_init();
g_hInst = hInstance;
DialogBoxA(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, DialogProc);
return 0;
}

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Plugson/vs/VentoyPlugson/Release/VentoyPlugson.exe
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Plugson/vs/VentoyPlugson/VentoyPlugson.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 2013
VisualStudioVersion = 12.0.21005.1
MinimumVisualStudioVersion = 10.0.40219.1
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "VentoyPlugson", "VentoyPlugson\VentoyPlugson.vcxproj", "{321D6EE2-2AB3-4103-9F05-EC4EC67A75E1}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
Release|Win32 = Release|Win32
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{321D6EE2-2AB3-4103-9F05-EC4EC67A75E1}.Debug|Win32.ActiveCfg = Debug|Win32
{321D6EE2-2AB3-4103-9F05-EC4EC67A75E1}.Debug|Win32.Build.0 = Debug|Win32
{321D6EE2-2AB3-4103-9F05-EC4EC67A75E1}.Release|Win32.ActiveCfg = Release|Win32
{321D6EE2-2AB3-4103-9F05-EC4EC67A75E1}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal

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<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
<dependency>
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type="win32"
name="Microsoft.Windows.Common-Controls"
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processorArchitecture="x86"
publicKeyToken="6595b64144ccf1df"
language="*"
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<compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
<application>
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</application>
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<trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
<security>
<requestedPrivileges>
<requestedExecutionLevel level="requireAdministrator" uiAccess="false"></requestedExecutionLevel>
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</security>
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<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
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processorArchitecture="amd64"
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language="*"
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<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
<dependency>
<dependentAssembly>
<assemblyIdentity
type="win32"
name="Microsoft.Windows.Common-Controls"
version="6.0.0.0"
processorArchitecture="arm"
publicKeyToken="6595b64144ccf1df"
language="*"
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</dependentAssembly>
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<compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
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<supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
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<!-- Windows 7 -->
<supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
<!-- Windows Vista -->
<supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/>
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</assembly>

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<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
<dependency>
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type="win32"
name="Microsoft.Windows.Common-Controls"
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processorArchitecture="arm64"
publicKeyToken="6595b64144ccf1df"
language="*"
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<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ProjectConfiguration Include="Debug|Win32">
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<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
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<ProjectGuid>{321D6EE2-2AB3-4103-9F05-EC4EC67A75E1}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>VentoyPlugson</RootNamespace>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v120</PlatformToolset>
<CharacterSet>MultiByte</CharacterSet>
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<ImportGroup Label="ExtensionSettings">
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
<PropertyGroup Label="UserMacros" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<LinkIncremental>true</LinkIncremental>
<IncludePath>..\..\..\src\Core;..\..\..\src\Web;..\..\..\src\Include;..\..\..\src\Lib\xz-embedded\linux\include;..\..\..\src\Lib\xz-embedded\linux\include\linux;..\..\..\src\Lib\xz-embedded\userspace;..\..\..\src\Lib\fat_io_lib;..\..\..\src\Lib\libhttp\include;$(ProjectDir);$(IncludePath)</IncludePath>
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<Link>
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