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Ventoy/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c

1869 lines
48 KiB
C

/******************************************************************************
* ventoy.c
*
* Copyright (c) 2020, 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 <grub/types.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/disk.h>
#include <grub/device.h>
#include <grub/term.h>
#include <grub/partition.h>
#include <grub/file.h>
#include <grub/normal.h>
#include <grub/extcmd.h>
#include <grub/datetime.h>
#include <grub/i18n.h>
#include <grub/net.h>
#ifdef GRUB_MACHINE_EFI
#include <grub/efi/efi.h>
#endif
#include <grub/time.h>
#include <grub/relocator.h>
#include <grub/ventoy.h>
#include "ventoy_def.h"
GRUB_MOD_LICENSE ("GPLv3+");
int g_ventoy_debug = 0;
static int g_efi_os = 0xFF;
initrd_info *g_initrd_img_list = NULL;
initrd_info *g_initrd_img_tail = NULL;
int g_initrd_img_count = 0;
int g_valid_initrd_count = 0;
int g_filt_dot_underscore_file = 0;
static grub_file_t g_old_file;
char g_img_swap_tmp_buf[1024];
img_info g_img_swap_tmp;
img_info *g_ventoy_img_list = NULL;
int g_ventoy_img_count = 0;
grub_device_t g_enum_dev = NULL;
grub_fs_t g_enum_fs = NULL;
img_iterator_node g_img_iterator_head;
img_iterator_node *g_img_iterator_tail = NULL;
grub_uint8_t g_ventoy_break_level = 0;
grub_uint8_t g_ventoy_debug_level = 0;
grub_uint8_t *g_ventoy_cpio_buf = NULL;
grub_uint32_t g_ventoy_cpio_size = 0;
cpio_newc_header *g_ventoy_initrd_head = NULL;
grub_uint8_t *g_ventoy_runtime_buf = NULL;
ventoy_grub_param *g_grub_param = NULL;
ventoy_guid g_ventoy_guid = VENTOY_GUID;
ventoy_img_chunk_list g_img_chunk_list;
static char *g_tree_script_buf = NULL;
static int g_tree_script_pos = 0;
static char *g_list_script_buf = NULL;
static int g_list_script_pos = 0;
void ventoy_debug(const char *fmt, ...)
{
va_list args;
va_start (args, fmt);
grub_vprintf (fmt, args);
va_end (args);
}
int ventoy_is_efi_os(void)
{
if (g_efi_os > 1)
{
g_efi_os = (grub_strstr(GRUB_PLATFORM, "efi")) ? 1 : 0;
}
return g_efi_os;
}
static int ventoy_get_fs_type(const char *fs)
{
if (NULL == fs)
{
return ventoy_fs_max;
}
else if (grub_strncmp(fs, "exfat", 5) == 0)
{
return ventoy_fs_exfat;
}
else if (grub_strncmp(fs, "ntfs", 4) == 0)
{
return ventoy_fs_ntfs;
}
else if (grub_strncmp(fs, "ext", 3) == 0)
{
return ventoy_fs_ext;
}
else if (grub_strncmp(fs, "xfs", 3) == 0)
{
return ventoy_fs_xfs;
}
else if (grub_strncmp(fs, "udf", 3) == 0)
{
return ventoy_fs_udf;
}
return ventoy_fs_max;
}
static int ventoy_string_check(const char *str, grub_char_check_func check)
{
if (!str)
{
return 0;
}
for ( ; *str; str++)
{
if (!check(*str))
{
return 0;
}
}
return 1;
}
static grub_ssize_t ventoy_fs_read(grub_file_t file, char *buf, grub_size_t len)
{
grub_memcpy(buf, (char *)file->data + file->offset, len);
return len;
}
static grub_err_t ventoy_fs_close(grub_file_t file)
{
grub_file_close(g_old_file);
grub_free(file->data);
file->device = 0;
file->name = 0;
return 0;
}
static grub_file_t ventoy_wrapper_open(grub_file_t rawFile, enum grub_file_type type)
{
int len;
grub_file_t file;
static struct grub_fs vtoy_fs =
{
.name = "vtoy",
.fs_dir = 0,
.fs_open = 0,
.fs_read = ventoy_fs_read,
.fs_close = ventoy_fs_close,
.fs_label = 0,
.next = 0
};
if (type != 52)
{
return rawFile;
}
file = (grub_file_t)grub_zalloc(sizeof (*file));
if (!file)
{
return 0;
}
file->data = grub_malloc(rawFile->size + 4096);
if (!file->data)
{
return 0;
}
grub_file_read(rawFile, file->data, rawFile->size);
len = ventoy_fill_data(4096, (char *)file->data + rawFile->size);
g_old_file = rawFile;
file->size = rawFile->size + len;
file->device = rawFile->device;
file->fs = &vtoy_fs;
file->not_easily_seekable = 1;
return file;
}
static int ventoy_check_decimal_var(const char *name, long *value)
{
const char *value_str = NULL;
value_str = grub_env_get(name);
if (NULL == value_str)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Variable %s not found", name);
}
if (!ventoy_is_decimal(value_str))
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Variable %s value '%s' is not an integer", name, value_str);
}
*value = grub_strtol(value_str, NULL, 10);
return GRUB_ERR_NONE;
}
static grub_err_t ventoy_cmd_debug(grub_extcmd_context_t ctxt, int argc, char **args)
{
if (argc != 1)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s {on|off}", cmd_raw_name);
}
if (0 == grub_strcmp(args[0], "on"))
{
g_ventoy_debug = 1;
grub_env_set("vtdebug_flag", "debug");
}
else
{
g_ventoy_debug = 0;
grub_env_set("vtdebug_flag", "");
}
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static grub_err_t ventoy_cmd_break(grub_extcmd_context_t ctxt, int argc, char **args)
{
(void)ctxt;
if (argc < 1 || (args[0][0] != '0' && args[0][0] != '1'))
{
grub_printf("Usage: %s {level} [debug]\r\n", cmd_raw_name);
grub_printf(" level:\r\n");
grub_printf(" 01/11: busybox / (+cat log)\r\n");
grub_printf(" 02/12: initrd / (+cat log)\r\n");
grub_printf(" 03/13: hook / (+cat log)\r\n");
grub_printf("\r\n");
grub_printf(" debug:\r\n");
grub_printf(" 0: debug is on\r\n");
grub_printf(" 1: debug is off\r\n");
grub_printf("\r\n");
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
g_ventoy_break_level = (grub_uint8_t)grub_strtoul(args[0], NULL, 16);
if (argc > 1 && grub_strtoul(args[1], NULL, 10) > 0)
{
g_ventoy_debug_level = 1;
}
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static grub_err_t ventoy_cmd_incr(grub_extcmd_context_t ctxt, int argc, char **args)
{
long value_long = 0;
char buf[32];
if ((argc != 2) || (!ventoy_is_decimal(args[1])))
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s {Variable} {Int}", cmd_raw_name);
}
if (GRUB_ERR_NONE != ventoy_check_decimal_var(args[0], &value_long))
{
return grub_errno;
}
value_long += grub_strtol(args[1], NULL, 10);
grub_snprintf(buf, sizeof(buf), "%ld", value_long);
grub_env_set(args[0], buf);
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static grub_err_t ventoy_cmd_file_size(grub_extcmd_context_t ctxt, int argc, char **args)
{
int rc = 1;
char buf[32];
grub_file_t file;
(void)ctxt;
(void)argc;
(void)args;
if (argc != 2)
{
return rc;
}
file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", args[0]);
if (file == NULL)
{
debug("failed to open file <%s> for udf check\n", args[0]);
return 1;
}
grub_snprintf(buf, sizeof(buf), "%llu", (unsigned long long)file->size);
grub_env_set(args[1], buf);
grub_file_close(file);
rc = 0;
return rc;
}
static grub_err_t ventoy_cmd_load_iso_to_mem(grub_extcmd_context_t ctxt, int argc, char **args)
{
int rc = 1;
char name[32];
char value[32];
char *buf = NULL;
grub_file_t file;
(void)ctxt;
(void)argc;
(void)args;
if (argc != 2)
{
return rc;
}
file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", args[0]);
if (file == NULL)
{
debug("failed to open file <%s> for udf check\n", args[0]);
return 1;
}
#ifdef GRUB_MACHINE_EFI
buf = (char *)grub_efi_allocate_iso_buf(file->size);
#else
buf = (char *)grub_malloc(file->size);
#endif
grub_file_read(file, buf, file->size);
grub_snprintf(name, sizeof(name), "%s_addr", args[1]);
grub_snprintf(value, sizeof(value), "0x%llx", (unsigned long long)(unsigned long)buf);
grub_env_set(name, value);
grub_snprintf(name, sizeof(name), "%s_size", args[1]);
grub_snprintf(value, sizeof(value), "%llu", (unsigned long long)file->size);
grub_env_set(name, value);
grub_file_close(file);
rc = 0;
return rc;
}
static grub_err_t ventoy_cmd_is_udf(grub_extcmd_context_t ctxt, int argc, char **args)
{
int i;
int rc = 1;
grub_file_t file;
grub_uint8_t buf[32];
(void)ctxt;
(void)argc;
(void)args;
if (argc != 1)
{
return rc;
}
file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", args[0]);
if (file == NULL)
{
debug("failed to open file <%s> for udf check\n", args[0]);
return 1;
}
for (i = 16; i < 32; i++)
{
grub_file_seek(file, i * 2048);
grub_file_read(file, buf, sizeof(buf));
if (buf[0] == 255)
{
break;
}
}
i++;
grub_file_seek(file, i * 2048);
grub_file_read(file, buf, sizeof(buf));
if (grub_memcmp(buf + 1, "BEA01", 5) == 0)
{
i++;
grub_file_seek(file, i * 2048);
grub_file_read(file, buf, sizeof(buf));
if (grub_memcmp(buf + 1, "NSR02", 5) == 0 ||
grub_memcmp(buf + 1, "NSR03", 5) == 0)
{
rc = 0;
}
}
grub_file_close(file);
debug("ISO UDF: %s\n", rc ? "NO" : "YES");
return rc;
}
static grub_err_t ventoy_cmd_cmp(grub_extcmd_context_t ctxt, int argc, char **args)
{
long value_long1 = 0;
long value_long2 = 0;
if ((argc != 3) || (!ventoy_is_decimal(args[0])) || (!ventoy_is_decimal(args[2])))
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s {Int1} { eq|ne|gt|lt|ge|le } {Int2}", cmd_raw_name);
}
value_long1 = grub_strtol(args[0], NULL, 10);
value_long2 = grub_strtol(args[2], NULL, 10);
if (0 == grub_strcmp(args[1], "eq"))
{
grub_errno = (value_long1 == value_long2) ? GRUB_ERR_NONE : GRUB_ERR_TEST_FAILURE;
}
else if (0 == grub_strcmp(args[1], "ne"))
{
grub_errno = (value_long1 != value_long2) ? GRUB_ERR_NONE : GRUB_ERR_TEST_FAILURE;
}
else if (0 == grub_strcmp(args[1], "gt"))
{
grub_errno = (value_long1 > value_long2) ? GRUB_ERR_NONE : GRUB_ERR_TEST_FAILURE;
}
else if (0 == grub_strcmp(args[1], "lt"))
{
grub_errno = (value_long1 < value_long2) ? GRUB_ERR_NONE : GRUB_ERR_TEST_FAILURE;
}
else if (0 == grub_strcmp(args[1], "ge"))
{
grub_errno = (value_long1 >= value_long2) ? GRUB_ERR_NONE : GRUB_ERR_TEST_FAILURE;
}
else if (0 == grub_strcmp(args[1], "le"))
{
grub_errno = (value_long1 <= value_long2) ? GRUB_ERR_NONE : GRUB_ERR_TEST_FAILURE;
}
else
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s {Int1} { eq ne gt lt ge le } {Int2}", cmd_raw_name);
}
return grub_errno;
}
static grub_err_t ventoy_cmd_device(grub_extcmd_context_t ctxt, int argc, char **args)
{
char *pos = NULL;
char buf[128] = {0};
if (argc != 2)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s path var", cmd_raw_name);
}
grub_strncpy(buf, (args[0][0] == '(') ? args[0] + 1 : args[0], sizeof(buf) - 1);
pos = grub_strstr(buf, ",");
if (pos)
{
*pos = 0;
}
grub_env_set(args[1], buf);
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static grub_err_t ventoy_cmd_check_compatible(grub_extcmd_context_t ctxt, int argc, char **args)
{
int i;
char buf[256];
grub_disk_t disk;
char *pos = NULL;
const char *files[] = { "ventoy.dat", "VENTOY.DAT" };
(void)ctxt;
if (argc != 1)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s (loop)", cmd_raw_name);
}
for (i = 0; i < (int)ARRAY_SIZE(files); i++)
{
grub_snprintf(buf, sizeof(buf) - 1, "[ -e %s/%s ]", args[0], files[i]);
if (0 == grub_script_execute_sourcecode(buf))
{
debug("file %s exist, ventoy_compatible YES\n", buf);
grub_env_set("ventoy_compatible", "YES");
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
else
{
debug("file %s NOT exist\n", buf);
}
}
grub_snprintf(buf, sizeof(buf) - 1, "%s", args[0][0] == '(' ? (args[0] + 1) : args[0]);
pos = grub_strstr(buf, ")");
if (pos)
{
*pos = 0;
}
disk = grub_disk_open(buf);
if (disk)
{
grub_disk_read(disk, 16 << 2, 0, 1024, g_img_swap_tmp_buf);
grub_disk_close(disk);
g_img_swap_tmp_buf[703] = 0;
for (i = 319; i < 703; i++)
{
if (g_img_swap_tmp_buf[i] == 'V' &&
0 == grub_strncmp(g_img_swap_tmp_buf + i, VENTOY_COMPATIBLE_STR, VENTOY_COMPATIBLE_STR_LEN))
{
debug("Ventoy compatible string exist at %d, ventoy_compatible YES\n", i);
grub_env_set("ventoy_compatible", "YES");
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
}
}
else
{
debug("failed to open disk <%s>\n", buf);
}
grub_env_set("ventoy_compatible", "NO");
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
int ventoy_cmp_img(img_info *img1, img_info *img2)
{
char *s1, *s2;
int c1 = 0;
int c2 = 0;
for (s1 = img1->name, s2 = img2->name; *s1 && *s2; s1++, s2++)
{
c1 = *s1;
c2 = *s2;
if (grub_islower(c1))
{
c1 = c1 - 'a' + 'A';
}
if (grub_islower(c2))
{
c2 = c2 - 'a' + 'A';
}
if (c1 != c2)
{
break;
}
}
return (c1 - c2);
}
void ventoy_swap_img(img_info *img1, img_info *img2)
{
grub_memcpy(&g_img_swap_tmp, img1, sizeof(img_info));
grub_memcpy(img1, img2, sizeof(img_info));
img1->next = g_img_swap_tmp.next;
img1->prev = g_img_swap_tmp.prev;
g_img_swap_tmp.next = img2->next;
g_img_swap_tmp.prev = img2->prev;
grub_memcpy(img2, &g_img_swap_tmp, sizeof(img_info));
}
static int ventoy_img_name_valid(const char *filename, grub_size_t namelen)
{
grub_size_t i;
if (g_filt_dot_underscore_file && filename[0] == '.' && filename[1] == '_')
{
return 0;
}
for (i = 0; i < namelen; i++)
{
if (filename[i] == ' ' || filename[i] == '\t')
{
return 0;
}
if ((grub_uint8_t)(filename[i]) >= 127)
{
return 0;
}
}
return 1;
}
static int ventoy_check_ignore_flag(const char *filename, const struct grub_dirhook_info *info, void *data)
{
if (0 == info->dir)
{
if (filename && filename[0] == '.' && 0 == grub_strncmp(filename, ".ventoyignore", 13))
{
*((int *)data) = 1;
return 0;
}
}
return 0;
}
static int ventoy_colect_img_files(const char *filename, const struct grub_dirhook_info *info, void *data)
{
int ignore = 0;
grub_size_t len;
img_info *img;
img_info *tail;
img_iterator_node *tmp;
img_iterator_node *new_node;
img_iterator_node *node = (img_iterator_node *)data;
len = grub_strlen(filename);
if (info->dir)
{
if ((len == 1 && filename[0] == '.') ||
(len == 2 && filename[0] == '.' && filename[1] == '.'))
{
return 0;
}
if (!ventoy_img_name_valid(filename, len))
{
return 0;
}
if (filename[0] == '$' && 0 == grub_strncmp(filename, "$RECYCLE.BIN", 12))
{
return 0;
}
new_node = grub_zalloc(sizeof(img_iterator_node));
if (new_node)
{
new_node->dirlen = grub_snprintf(new_node->dir, sizeof(new_node->dir), "%s%s/", node->dir, filename);
g_enum_fs->fs_dir(g_enum_dev, new_node->dir, ventoy_check_ignore_flag, &ignore);
if (ignore)
{
debug("Directory %s ignored...\n", new_node->dir);
grub_free(new_node);
return 0;
}
new_node->tail = node->tail;
new_node->parent = node;
if (!node->firstchild)
{
node->firstchild = new_node;
}
if (g_img_iterator_tail)
{
g_img_iterator_tail->next = new_node;
g_img_iterator_tail = new_node;
}
else
{
g_img_iterator_head.next = new_node;
g_img_iterator_tail = new_node;
}
}
}
else
{
debug("Find a file %s\n", filename);
if ((len > 4) && (0 == grub_strcasecmp(filename + len - 4, ".iso")))
{
if (!ventoy_img_name_valid(filename, len))
{
return 0;
}
img = grub_zalloc(sizeof(img_info));
if (img)
{
grub_snprintf(img->name, sizeof(img->name), "%s", filename);
grub_snprintf(img->path, sizeof(img->path), "%s%s", node->dir, filename);
if (g_ventoy_img_list)
{
tail = *(node->tail);
img->prev = tail;
tail->next = img;
}
else
{
g_ventoy_img_list = img;
}
img->size = info->size;
img->id = g_ventoy_img_count;
img->parent = node;
if (node && NULL == node->firstiso)
{
node->firstiso = img;
}
node->isocnt++;
tmp = node->parent;
while (tmp)
{
tmp->isocnt++;
tmp = tmp->parent;
}
*((img_info **)(node->tail)) = img;
g_ventoy_img_count++;
debug("Add %s%s to list %d\n", node->dir, filename, g_ventoy_img_count);
}
}
}
return 0;
}
int ventoy_fill_data(grub_uint32_t buflen, char *buffer)
{
int len = GRUB_UINT_MAX;
const char *value = NULL;
char name[32] = {0};
char plat[32] = {0};
char guidstr[32] = {0};
ventoy_guid guid = VENTOY_GUID;
const char *fmt1 = NULL;
const char *fmt2 = NULL;
const char *fmt3 = NULL;
grub_uint32_t *puint = (grub_uint32_t *)name;
grub_uint32_t *puint2 = (grub_uint32_t *)plat;
const char fmtdata[]={ 0x39, 0x35, 0x25, 0x00, 0x35, 0x00, 0x23, 0x30, 0x30, 0x30, 0x30, 0x66, 0x66, 0x00 };
const char fmtcode[]={
0x22, 0x0A, 0x2B, 0x20, 0x68, 0x62, 0x6F, 0x78, 0x20, 0x7B, 0x0A, 0x20, 0x20, 0x74, 0x6F, 0x70,
0x20, 0x3D, 0x20, 0x25, 0x73, 0x0A, 0x20, 0x20, 0x6C, 0x65, 0x66, 0x74, 0x20, 0x3D, 0x20, 0x25,
0x73, 0x0A, 0x20, 0x20, 0x2B, 0x20, 0x6C, 0x61, 0x62, 0x65, 0x6C, 0x20, 0x7B, 0x74, 0x65, 0x78,
0x74, 0x20, 0x3D, 0x20, 0x22, 0x25, 0x73, 0x20, 0x25, 0x73, 0x25, 0x73, 0x22, 0x20, 0x63, 0x6F,
0x6C, 0x6F, 0x72, 0x20, 0x3D, 0x20, 0x22, 0x25, 0x73, 0x22, 0x20, 0x61, 0x6C, 0x69, 0x67, 0x6E,
0x20, 0x3D, 0x20, 0x22, 0x6C, 0x65, 0x66, 0x74, 0x22, 0x7D, 0x0A, 0x7D, 0x0A, 0x22, 0x00
};
grub_memset(name, 0, sizeof(name));
puint[0] = grub_swap_bytes32(0x56454e54);
puint[3] = grub_swap_bytes32(0x4f4e0000);
puint[2] = grub_swap_bytes32(0x45525349);
puint[1] = grub_swap_bytes32(0x4f595f56);
value = ventoy_get_env(name);
grub_memset(name, 0, sizeof(name));
puint[1] = grub_swap_bytes32(0x5f544f50);
puint[0] = grub_swap_bytes32(0x56544c45);
fmt1 = ventoy_get_env(name);
if (!fmt1)
{
fmt1 = fmtdata;
}
grub_memset(name, 0, sizeof(name));
puint[1] = grub_swap_bytes32(0x5f4c4654);
puint[0] = grub_swap_bytes32(0x56544c45);
fmt2 = ventoy_get_env(name);
grub_memset(name, 0, sizeof(name));
puint[1] = grub_swap_bytes32(0x5f434c52);
puint[0] = grub_swap_bytes32(0x56544c45);
fmt3 = ventoy_get_env(name);
grub_memcpy(guidstr, &guid, sizeof(guid));
#if defined (GRUB_MACHINE_EFI)
puint2[0] = grub_swap_bytes32(0x55454649);
#else
puint2[0] = grub_swap_bytes32(0x42494f53);
#endif
/* Easter egg :) It will be appreciated if you reserve it, but NOT mandatory. */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-nonliteral"
len = grub_snprintf(buffer, buflen, fmtcode,
fmt1 ? fmt1 : fmtdata,
fmt2 ? fmt2 : fmtdata + 4,
value ? value : "", plat, guidstr,
fmt3 ? fmt3 : fmtdata + 6);
#pragma GCC diagnostic pop
grub_memset(name, 0, sizeof(name));
puint[0] = grub_swap_bytes32(0x76746f79);
puint[2] = grub_swap_bytes32(0x656e7365);
puint[1] = grub_swap_bytes32(0x5f6c6963);
ventoy_set_env(name, guidstr);
return len;
}
static img_info * ventoy_get_min_iso(img_iterator_node *node)
{
img_info *minimg = NULL;
img_info *img = (img_info *)(node->firstiso);
while (img && (img_iterator_node *)(img->parent) == node)
{
if (img->select == 0 && (NULL == minimg || grub_strcmp(img->name, minimg->name) < 0))
{
minimg = img;
}
img = img->next;
}
if (minimg)
{
minimg->select = 1;
}
return minimg;
}
static img_iterator_node * ventoy_get_min_child(img_iterator_node *node)
{
img_iterator_node *Minchild = NULL;
img_iterator_node *child = node->firstchild;
while (child && child->parent == node)
{
if (child->select == 0 && (NULL == Minchild || grub_strcmp(child->dir, Minchild->dir) < 0))
{
Minchild = child;
}
child = child->next;
}
if (Minchild)
{
Minchild->select = 1;
}
return Minchild;
}
static int ventoy_dynamic_tree_menu(img_iterator_node *node)
{
int offset = 1;
img_info *img;
img_iterator_node *child = NULL;
if (node->isocnt == 0 || node->done == 1)
{
return 0;
}
if (node->parent && node->parent->dirlen < node->dirlen)
{
offset = node->parent->dirlen;
}
if (node != &g_img_iterator_head)
{
node->dir[node->dirlen - 1] = 0;
g_tree_script_pos += grub_snprintf(g_tree_script_buf + g_tree_script_pos, VTOY_MAX_SCRIPT_BUF - g_tree_script_pos,
"submenu \"%-10s [%s]\" {\n", "DIR", node->dir + offset);
}
while ((child = ventoy_get_min_child(node)) != NULL)
{
ventoy_dynamic_tree_menu(child);
}
while ((img = ventoy_get_min_iso(node)) != NULL)
{
g_tree_script_pos += grub_snprintf(g_tree_script_buf + g_tree_script_pos, VTOY_MAX_SCRIPT_BUF - g_tree_script_pos,
"menuentry \"%-10s %s\" --id=\"VID_%d\" {\n"
" common_menuentry \n"
"}\n",
grub_get_human_size(img->size, GRUB_HUMAN_SIZE_SHORT), img->name, img->id);
}
if (node != &g_img_iterator_head)
{
g_tree_script_pos += grub_snprintf(g_tree_script_buf + g_tree_script_pos, VTOY_MAX_SCRIPT_BUF - g_tree_script_pos, "}\n");
}
node->done = 1;
return 0;
}
static grub_err_t ventoy_cmd_list_img(grub_extcmd_context_t ctxt, int argc, char **args)
{
grub_fs_t fs;
grub_device_t dev = NULL;
img_info *cur = NULL;
img_info *tail = NULL;
const char *strdata = NULL;
char *device_name = NULL;
char buf[32];
img_iterator_node *node = NULL;
img_iterator_node *tmp = NULL;
(void)ctxt;
if (argc != 2)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s {device} {cntvar}", cmd_raw_name);
}
if (g_ventoy_img_list || g_ventoy_img_count)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Must clear image before list");
}
strdata = ventoy_get_env("VTOY_FILT_DOT_UNDERSCORE_FILE");
if (strdata && strdata[0] == '1' && strdata[1] == 0)
{
g_filt_dot_underscore_file = 1;
}
device_name = grub_file_get_device_name(args[0]);
if (!device_name)
{
goto fail;
}
g_enum_dev = dev = grub_device_open(device_name);
if (!dev)
{
goto fail;
}
g_enum_fs = fs = grub_fs_probe(dev);
if (!fs)
{
goto fail;
}
if (ventoy_get_fs_type(fs->name) >= ventoy_fs_max)
{
debug("unsupported fs:<%s>\n", fs->name);
goto fail;
}
grub_memset(&g_img_iterator_head, 0, sizeof(g_img_iterator_head));
g_img_iterator_head.dirlen = 1;
g_img_iterator_head.tail = &tail;
grub_strcpy(g_img_iterator_head.dir, "/");
for (node = &g_img_iterator_head; node; node = node->next)
{
fs->fs_dir(dev, node->dir, ventoy_colect_img_files, node);
}
for (node = &g_img_iterator_head; node; node = node->next)
{
ventoy_dynamic_tree_menu(node);
}
/* free node */
node = g_img_iterator_head.next;
while (node)
{
tmp = node->next;
grub_free(node);
node = tmp;
}
/* sort image list by image name */
for (cur = g_ventoy_img_list; cur; cur = cur->next)
{
for (tail = cur->next; tail; tail = tail->next)
{
if (ventoy_cmp_img(cur, tail) > 0)
{
ventoy_swap_img(cur, tail);
}
}
}
for (cur = g_ventoy_img_list; cur; cur = cur->next)
{
g_list_script_pos += grub_snprintf(g_list_script_buf + g_list_script_pos, VTOY_MAX_SCRIPT_BUF - g_list_script_pos,
"menuentry \"%s\" --id=\"VID_%d\" {\n"
" common_menuentry \n"
"}\n",
cur->name, cur->id);
}
g_list_script_buf[g_list_script_pos] = 0;
grub_snprintf(buf, sizeof(buf), "%d", g_ventoy_img_count);
grub_env_set(args[1], buf);
fail:
check_free(device_name, grub_free);
check_free(dev, grub_device_close);
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static grub_err_t ventoy_cmd_clear_img(grub_extcmd_context_t ctxt, int argc, char **args)
{
img_info *next = NULL;
img_info *cur = g_ventoy_img_list;
(void)ctxt;
(void)argc;
(void)args;
while (cur)
{
next = cur->next;
grub_free(cur);
cur = next;
}
g_ventoy_img_list = NULL;
g_ventoy_img_count = 0;
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static grub_err_t ventoy_cmd_img_name(grub_extcmd_context_t ctxt, int argc, char **args)
{
long img_id = 0;
img_info *cur = g_ventoy_img_list;
(void)ctxt;
if (argc != 2 || (!ventoy_is_decimal(args[0])))
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s {imageID} {var}", cmd_raw_name);
}
img_id = grub_strtol(args[0], NULL, 10);
if (img_id >= g_ventoy_img_count)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "No such many images %ld %ld", img_id, g_ventoy_img_count);
}
debug("Find image %ld name \n", img_id);
while (cur && img_id > 0)
{
img_id--;
cur = cur->next;
}
if (!cur)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "No such many images");
}
debug("image name is %s\n", cur->name);
grub_env_set(args[1], cur->name);
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static grub_err_t ventoy_cmd_chosen_img_path(grub_extcmd_context_t ctxt, int argc, char **args)
{
int img_id = 0;
char *pos = NULL;
const char *id = NULL;
img_info *cur = g_ventoy_img_list;
(void)ctxt;
if (argc != 1)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s {var}", cmd_raw_name);
}
id = grub_env_get("chosen");
pos = grub_strstr(id, "VID_");
if (pos)
{
img_id = (int)grub_strtoul(pos + 4, NULL, 10);
}
else
{
img_id = (int)grub_strtoul(id, NULL, 10);
}
while (cur)
{
if (img_id == cur->id)
{
break;
}
cur = cur->next;
}
if (!cur)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "No such image");
}
grub_env_set(args[0], cur->path);
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static int ventoy_get_disk_guid(const char *filename, grub_uint8_t *guid)
{
grub_disk_t disk;
char *device_name;
char *pos;
char *pos2;
device_name = grub_file_get_device_name(filename);
if (!device_name)
{
return 1;
}
pos = device_name;
if (pos[0] == '(')
{
pos++;
}
pos2 = grub_strstr(pos, ",");
if (!pos2)
{
pos2 = grub_strstr(pos, ")");
}
if (pos2)
{
*pos2 = 0;
}
disk = grub_disk_open(pos);
if (disk)
{
grub_disk_read(disk, 0, 0x180, 16, guid);
grub_disk_close(disk);
}
else
{
return 1;
}
grub_free(device_name);
return 0;
}
grub_uint32_t ventoy_get_iso_boot_catlog(grub_file_t file)
{
eltorito_descriptor desc;
grub_memset(&desc, 0, sizeof(desc));
grub_file_seek(file, 17 * 2048);
grub_file_read(file, &desc, sizeof(desc));
if (desc.type != 0 || desc.version != 1)
{
return 0;
}
if (grub_strncmp((char *)desc.id, "CD001", 5) != 0 ||
grub_strncmp((char *)desc.system_id, "EL TORITO SPECIFICATION", 23) != 0)
{
return 0;
}
return desc.sector;
}
int ventoy_has_efi_eltorito(grub_file_t file, grub_uint32_t sector)
{
int i;
grub_uint8_t buf[512];
grub_file_seek(file, sector * 2048);
grub_file_read(file, buf, sizeof(buf));
if (buf[0] == 0x01 && buf[1] == 0xEF)
{
debug("%s efi eltorito in Validation Entry\n", file->name);
return 1;
}
for (i = 64; i < (int)sizeof(buf); i += 32)
{
if ((buf[i] == 0x90 || buf[i] == 0x91) && buf[i + 1] == 0xEF)
{
debug("%s efi eltorito offset %d 0x%02x\n", file->name, i, buf[i]);
return 1;
}
}
debug("%s does not contain efi eltorito\n", file->name);
return 0;
}
void ventoy_fill_os_param(grub_file_t file, ventoy_os_param *param)
{
char *pos;
grub_uint32_t i;
grub_uint8_t chksum = 0;
grub_disk_t disk;
disk = file->device->disk;
grub_memcpy(&param->guid, &g_ventoy_guid, sizeof(ventoy_guid));
param->vtoy_disk_size = disk->total_sectors * (1 << disk->log_sector_size);
param->vtoy_disk_part_id = disk->partition->number + 1;
param->vtoy_disk_part_type = ventoy_get_fs_type(file->fs->name);
pos = grub_strstr(file->name, "/");
if (!pos)
{
pos = file->name;
}
grub_snprintf(param->vtoy_img_path, sizeof(param->vtoy_img_path), "%s", pos);
ventoy_get_disk_guid(file->name, param->vtoy_disk_guid);
param->vtoy_img_size = file->size;
param->vtoy_reserved[0] = g_ventoy_break_level;
param->vtoy_reserved[1] = g_ventoy_debug_level;
/* calculate checksum */
for (i = 0; i < sizeof(ventoy_os_param); i++)
{
chksum += *((grub_uint8_t *)param + i);
}
param->chksum = (grub_uint8_t)(0x100 - chksum);
return;
}
static int ventoy_get_block_list(grub_file_t file, ventoy_img_chunk_list *chunklist, grub_disk_addr_t start)
{
int fs_type;
grub_uint32_t i = 0;
grub_uint32_t sector = 0;
grub_uint32_t count = 0;
grub_off_t size = 0;
grub_off_t read = 0;
fs_type = ventoy_get_fs_type(file->fs->name);
if (fs_type == ventoy_fs_exfat)
{
grub_fat_get_file_chunk(start, file, chunklist);
}
else
{
file->read_hook = (grub_disk_read_hook_t)grub_disk_blocklist_read;
file->read_hook_data = chunklist;
for (size = file->size; size > 0; size -= read)
{
read = (size > VTOY_SIZE_1GB) ? VTOY_SIZE_1GB : size;
grub_file_read(file, NULL, read);
}
for (i = 0; start > 0 && i < chunklist->cur_chunk; i++)
{
chunklist->chunk[i].disk_start_sector += start;
chunklist->chunk[i].disk_end_sector += start;
}
if (ventoy_fs_udf == fs_type)
{
for (i = 0; i < chunklist->cur_chunk; i++)
{
count = (chunklist->chunk[i].disk_end_sector + 1 - chunklist->chunk[i].disk_start_sector) >> 2;
chunklist->chunk[i].img_start_sector = sector;
chunklist->chunk[i].img_end_sector = sector + count - 1;
sector += count;
}
}
}
return 0;
}
static grub_err_t ventoy_cmd_img_sector(grub_extcmd_context_t ctxt, int argc, char **args)
{
grub_file_t file;
(void)ctxt;
(void)argc;
file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", args[0]);
if (!file)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Can't open file %s\n", args[0]);
}
if (g_img_chunk_list.chunk)
{
grub_free(g_img_chunk_list.chunk);
}
/* get image chunk data */
grub_memset(&g_img_chunk_list, 0, sizeof(g_img_chunk_list));
g_img_chunk_list.chunk = grub_malloc(sizeof(ventoy_img_chunk) * DEFAULT_CHUNK_NUM);
if (NULL == g_img_chunk_list.chunk)
{
return grub_error(GRUB_ERR_OUT_OF_MEMORY, "Can't allocate image chunk memoty\n");
}
g_img_chunk_list.max_chunk = DEFAULT_CHUNK_NUM;
g_img_chunk_list.cur_chunk = 0;
ventoy_get_block_list(file, &g_img_chunk_list, file->device->disk->partition->start);
grub_file_close(file);
grub_memset(&g_grub_param->file_replace, 0, sizeof(g_grub_param->file_replace));
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static grub_err_t ventoy_cmd_dump_img_sector(grub_extcmd_context_t ctxt, int argc, char **args)
{
grub_uint32_t i;
ventoy_img_chunk *cur;
(void)ctxt;
(void)argc;
(void)args;
for (i = 0; i < g_img_chunk_list.cur_chunk; i++)
{
cur = g_img_chunk_list.chunk + i;
grub_printf("image:[%u - %u] <==> disk:[%llu - %llu]\n",
cur->img_start_sector, cur->img_end_sector,
(unsigned long long)cur->disk_start_sector, (unsigned long long)cur->disk_end_sector
);
}
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
#ifdef GRUB_MACHINE_EFI
static grub_err_t ventoy_cmd_relocator_chaindata(grub_extcmd_context_t ctxt, int argc, char **args)
{
(void)ctxt;
(void)argc;
(void)args;
return 0;
}
#else
static grub_err_t ventoy_cmd_relocator_chaindata(grub_extcmd_context_t ctxt, int argc, char **args)
{
int rc = 0;
ulong chain_len = 0;
char *chain_data = NULL;
char *relocator_addr = NULL;
grub_relocator_chunk_t ch;
struct grub_relocator *relocator = NULL;
char envbuf[64] = { 0 };
(void)ctxt;
(void)argc;
(void)args;
if (argc != 2)
{
return 1;
}
chain_data = (char *)grub_strtoul(args[0], NULL, 16);
chain_len = grub_strtoul(args[1], NULL, 10);
relocator = grub_relocator_new ();
if (!relocator)
{
debug("grub_relocator_new failed %p %lu\n", chain_data, chain_len);
return 1;
}
rc = grub_relocator_alloc_chunk_addr (relocator, &ch,
0x100000, // GRUB_LINUX_BZIMAGE_ADDR,
chain_len);
if (rc)
{
debug("grub_relocator_alloc_chunk_addr failed %d %p %lu\n", rc, chain_data, chain_len);
grub_relocator_unload (relocator);
return 1;
}
relocator_addr = get_virtual_current_address(ch);
grub_memcpy(relocator_addr, chain_data, chain_len);
grub_relocator_unload (relocator);
grub_snprintf(envbuf, sizeof(envbuf), "0x%lx", (unsigned long)relocator_addr);
grub_env_set("vtoy_chain_relocator_addr", envbuf);
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
#endif
static grub_err_t ventoy_cmd_test_block_list(grub_extcmd_context_t ctxt, int argc, char **args)
{
grub_uint32_t i;
grub_file_t file;
ventoy_img_chunk_list chunklist;
(void)ctxt;
(void)argc;
file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", args[0]);
if (!file)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Can't open file %s\n", args[0]);
}
/* get image chunk data */
grub_memset(&chunklist, 0, sizeof(chunklist));
chunklist.chunk = grub_malloc(sizeof(ventoy_img_chunk) * DEFAULT_CHUNK_NUM);
if (NULL == chunklist.chunk)
{
return grub_error(GRUB_ERR_OUT_OF_MEMORY, "Can't allocate image chunk memoty\n");
}
chunklist.max_chunk = DEFAULT_CHUNK_NUM;
chunklist.cur_chunk = 0;
ventoy_get_block_list(file, &chunklist, 0);
grub_file_close(file);
grub_printf("filesystem: <%s> entry number:<%u>\n", file->fs->name, chunklist.cur_chunk);
for (i = 0; i < chunklist.cur_chunk; i++)
{
grub_printf("%llu+%llu,", (ulonglong)chunklist.chunk[i].disk_start_sector,
(ulonglong)(chunklist.chunk[i].disk_end_sector + 1 - chunklist.chunk[i].disk_start_sector));
}
grub_printf("\n==================================\n");
for (i = 0; i < chunklist.cur_chunk; i++)
{
grub_printf("%2u: [%llu %llu] - [%llu %llu]\n", i,
(ulonglong)chunklist.chunk[i].img_start_sector,
(ulonglong)chunklist.chunk[i].img_end_sector,
(ulonglong)chunklist.chunk[i].disk_start_sector,
(ulonglong)chunklist.chunk[i].disk_end_sector
);
}
grub_free(chunklist.chunk);
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static grub_err_t ventoy_cmd_add_replace_file(grub_extcmd_context_t ctxt, int argc, char **args)
{
int i;
ventoy_grub_param_file_replace *replace = NULL;
(void)ctxt;
(void)argc;
(void)args;
if (argc >= 2)
{
replace = &(g_grub_param->file_replace);
replace->magic = GRUB_FILE_REPLACE_MAGIC;
replace->old_name_cnt = 0;
for (i = 0; i < 4 && i + 1 < argc; i++)
{
replace->old_name_cnt++;
grub_snprintf(replace->old_file_name[i], sizeof(replace->old_file_name[i]), "%s", args[i + 1]);
}
replace->new_file_virtual_id = (grub_uint32_t)grub_strtoul(args[0], NULL, 10);
}
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
static grub_err_t ventoy_cmd_dump_menu(grub_extcmd_context_t ctxt, int argc, char **args)
{
(void)ctxt;
(void)argc;
(void)args;
if (argc == 0)
{
grub_printf("List Mode: CurLen:%d MaxLen:%u\n", g_list_script_pos, VTOY_MAX_SCRIPT_BUF);
grub_printf("%s", g_list_script_buf);
}
else
{
grub_printf("Tree Mode: CurLen:%d MaxLen:%u\n", g_tree_script_pos, VTOY_MAX_SCRIPT_BUF);
grub_printf("%s", g_tree_script_buf);
}
return 0;
}
static grub_err_t ventoy_cmd_dump_auto_install(grub_extcmd_context_t ctxt, int argc, char **args)
{
(void)ctxt;
(void)argc;
(void)args;
ventoy_plugin_dump_auto_install();
return 0;
}
static grub_err_t ventoy_cmd_check_mode(grub_extcmd_context_t ctxt, int argc, char **args)
{
(void)ctxt;
(void)argc;
(void)args;
if (argc != 1)
{
return 1;
}
if (args[0][0] == '0')
{
return g_ventoy_memdisk_mode ? 0 : 1;
}
else if (args[0][0] == '1')
{
return g_ventoy_iso_raw ? 0 : 1;
}
else if (args[0][0] == '2')
{
return g_ventoy_iso_uefi_drv ? 0 : 1;
}
return 1;
}
static grub_err_t ventoy_cmd_dynamic_menu(grub_extcmd_context_t ctxt, int argc, char **args)
{
static int configfile_mode = 0;
char memfile[128] = {0};
(void)ctxt;
(void)argc;
(void)args;
/*
* args[0]: 0:normal 1:configfile
* args[1]: 0:list_buf 1:tree_buf
*/
if (argc != 2)
{
debug("Invalid argc %d\n", argc);
return 0;
}
if (args[0][0] == '0')
{
if (args[1][0] == '0')
{
grub_script_execute_sourcecode(g_list_script_buf);
}
else
{
grub_script_execute_sourcecode(g_tree_script_buf);
}
}
else
{
if (configfile_mode)
{
debug("Now already in F3 mode %d\n", configfile_mode);
return 0;
}
if (args[1][0] == '0')
{
grub_snprintf(memfile, sizeof(memfile), "configfile mem:0x%llx:size:%d",
(ulonglong)(ulong)g_list_script_buf, g_list_script_pos);
}
else
{
g_ventoy_last_entry = -1;
grub_snprintf(memfile, sizeof(memfile), "configfile mem:0x%llx:size:%d",
(ulonglong)(ulong)g_tree_script_buf, g_tree_script_pos);
}
configfile_mode = 1;
grub_script_execute_sourcecode(memfile);
configfile_mode = 0;
}
return 0;
}
static grub_err_t ventoy_cmd_find_bootable_hdd(grub_extcmd_context_t ctxt, int argc, char **args)
{
int id = 0;
int find = 0;
grub_disk_t disk;
const char *isopath = NULL;
char hdname[32];
ventoy_mbr_head mbr;
(void)ctxt;
(void)argc;
if (argc != 1)
{
return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s variable\n", cmd_raw_name);
}
isopath = grub_env_get("iso_path");
if (!isopath)
{
debug("isopath is null %p\n", isopath);
return 0;
}
debug("isopath is %s\n", isopath);
for (id = 0; id < 30 && (find == 0); id++)
{
grub_snprintf(hdname, sizeof(hdname), "hd%d,", id);
if (grub_strstr(isopath, hdname))
{
debug("skip %s ...\n", hdname);
continue;
}
grub_snprintf(hdname, sizeof(hdname), "hd%d", id);
disk = grub_disk_open(hdname);
if (!disk)
{
debug("%s not exist\n", hdname);
break;
}
grub_memset(&mbr, 0, sizeof(mbr));
if (0 == grub_disk_read(disk, 0, 0, 512, &mbr))
{
if (mbr.Byte55 == 0x55 && mbr.ByteAA == 0xAA)
{
if (mbr.PartTbl[0].Active == 0x80 || mbr.PartTbl[1].Active == 0x80 ||
mbr.PartTbl[2].Active == 0x80 || mbr.PartTbl[3].Active == 0x80)
{
grub_env_set(args[0], hdname);
find = 1;
}
}
debug("%s is %s\n", hdname, find ? "bootable" : "NOT bootable");
}
else
{
debug("read %s failed\n", hdname);
}
grub_disk_close(disk);
}
return 0;
}
grub_file_t ventoy_grub_file_open(enum grub_file_type type, const char *fmt, ...)
{
va_list ap;
grub_file_t file;
char fullpath[256] = {0};
va_start (ap, fmt);
grub_vsnprintf(fullpath, 255, fmt, ap);
va_end (ap);
file = grub_file_open(fullpath, type);
if (!file)
{
debug("grub_file_open failed <%s>\n", fullpath);
grub_errno = 0;
}
return file;
}
int ventoy_is_file_exist(const char *fmt, ...)
{
va_list ap;
int len;
char *pos = NULL;
char buf[256] = {0};
grub_snprintf(buf, sizeof(buf), "%s", "[ -f ");
pos = buf + 5;
va_start (ap, fmt);
len = grub_vsnprintf(pos, 255, fmt, ap);
va_end (ap);
grub_strncpy(pos + len, " ]", 2);
debug("script exec %s\n", buf);
if (0 == grub_script_execute_sourcecode(buf))
{
return 1;
}
return 0;
}
static int ventoy_env_init(void)
{
char buf[64];
grub_env_set("vtdebug_flag", "");
grub_env_export("vtdebug_flag");
g_tree_script_buf = grub_malloc(VTOY_MAX_SCRIPT_BUF);
g_list_script_buf = grub_malloc(VTOY_MAX_SCRIPT_BUF);
ventoy_filt_register(0, ventoy_wrapper_open);
g_grub_param = (ventoy_grub_param *)grub_zalloc(sizeof(ventoy_grub_param));
if (g_grub_param)
{
g_grub_param->grub_env_get = grub_env_get;
grub_snprintf(buf, sizeof(buf), "%p", g_grub_param);
grub_env_set("env_param", buf);
}
return 0;
}
static cmd_para ventoy_cmds[] =
{
{ "vt_incr", ventoy_cmd_incr, 0, NULL, "{Var} {INT}", "Increase integer variable", NULL },
{ "vt_debug", ventoy_cmd_debug, 0, NULL, "{on|off}", "turn debug on/off", NULL },
{ "vtdebug", ventoy_cmd_debug, 0, NULL, "{on|off}", "turn debug on/off", NULL },
{ "vtbreak", ventoy_cmd_break, 0, NULL, "{level}", "set debug break", NULL },
{ "vt_cmp", ventoy_cmd_cmp, 0, NULL, "{Int1} { eq|ne|gt|lt|ge|le } {Int2}", "Comare two integers", NULL },
{ "vt_device", ventoy_cmd_device, 0, NULL, "path var", "", NULL },
{ "vt_check_compatible", ventoy_cmd_check_compatible, 0, NULL, "", "", NULL },
{ "vt_list_img", ventoy_cmd_list_img, 0, NULL, "{device} {cntvar}", "find all iso file in device", NULL },
{ "vt_clear_img", ventoy_cmd_clear_img, 0, NULL, "", "clear image list", NULL },
{ "vt_img_name", ventoy_cmd_img_name, 0, NULL, "{imageID} {var}", "get image name", NULL },
{ "vt_chosen_img_path", ventoy_cmd_chosen_img_path, 0, NULL, "{var}", "get chosen img path", NULL },
{ "vt_img_sector", ventoy_cmd_img_sector, 0, NULL, "{imageName}", "", NULL },
{ "vt_dump_img_sector", ventoy_cmd_dump_img_sector, 0, NULL, "", "", NULL },
{ "vt_load_cpio", ventoy_cmd_load_cpio, 0, NULL, "", "", NULL },
{ "vt_find_first_bootable_hd", ventoy_cmd_find_bootable_hdd, 0, NULL, "", "", NULL },
{ "vt_dump_menu", ventoy_cmd_dump_menu, 0, NULL, "", "", NULL },
{ "vt_dynamic_menu", ventoy_cmd_dynamic_menu, 0, NULL, "", "", NULL },
{ "vt_check_mode", ventoy_cmd_check_mode, 0, NULL, "", "", NULL },
{ "vt_dump_auto_install", ventoy_cmd_dump_auto_install, 0, NULL, "", "", NULL },
{ "vt_is_udf", ventoy_cmd_is_udf, 0, NULL, "", "", NULL },
{ "vt_file_size", ventoy_cmd_file_size, 0, NULL, "", "", NULL },
{ "vt_load_iso_to_mem", ventoy_cmd_load_iso_to_mem, 0, NULL, "", "", NULL },
{ "vt_linux_parse_initrd_isolinux", ventoy_cmd_isolinux_initrd_collect, 0, NULL, "{cfgfile}", "", NULL },
{ "vt_linux_parse_initrd_grub", ventoy_cmd_grub_initrd_collect, 0, NULL, "{cfgfile}", "", NULL },
{ "vt_linux_specify_initrd_file", ventoy_cmd_specify_initrd_file, 0, NULL, "", "", NULL },
{ "vt_linux_clear_initrd", ventoy_cmd_clear_initrd_list, 0, NULL, "", "", NULL },
{ "vt_linux_dump_initrd", ventoy_cmd_dump_initrd_list, 0, NULL, "", "", NULL },
{ "vt_linux_initrd_count", ventoy_cmd_initrd_count, 0, NULL, "", "", NULL },
{ "vt_linux_valid_initrd_count", ventoy_cmd_valid_initrd_count, 0, NULL, "", "", NULL },
{ "vt_linux_locate_initrd", ventoy_cmd_linux_locate_initrd, 0, NULL, "", "", NULL },
{ "vt_linux_chain_data", ventoy_cmd_linux_chain_data, 0, NULL, "", "", NULL },
{ "vt_windows_reset", ventoy_cmd_wimdows_reset, 0, NULL, "", "", NULL },
{ "vt_windows_locate_wim", ventoy_cmd_wimdows_locate_wim, 0, NULL, "", "", NULL },
{ "vt_windows_chain_data", ventoy_cmd_windows_chain_data, 0, NULL, "", "", NULL },
{ "vt_add_replace_file", ventoy_cmd_add_replace_file, 0, NULL, "", "", NULL },
{ "vt_relocator_chaindata", ventoy_cmd_relocator_chaindata, 0, NULL, "", "", NULL },
{ "vt_test_block_list", ventoy_cmd_test_block_list, 0, NULL, "", "", NULL },
{ "vt_load_plugin", ventoy_cmd_load_plugin, 0, NULL, "", "", NULL },
};
GRUB_MOD_INIT(ventoy)
{
grub_uint32_t i;
cmd_para *cur = NULL;
ventoy_env_init();
for (i = 0; i < ARRAY_SIZE(ventoy_cmds); i++)
{
cur = ventoy_cmds + i;
cur->cmd = grub_register_extcmd(cur->name, cur->func, cur->flags,
cur->summary, cur->description, cur->parser);
}
}
GRUB_MOD_FINI(ventoy)
{
grub_uint32_t i;
for (i = 0; i < ARRAY_SIZE(ventoy_cmds); i++)
{
grub_unregister_extcmd(ventoy_cmds[i].cmd);
}
}