mirror of https://github.com/sonertari/SSLproxy
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
170 lines
4.7 KiB
C
170 lines
4.7 KiB
C
/*-
|
|
* SSLsplit - transparent SSL/TLS interception
|
|
* https://www.roe.ch/SSLsplit
|
|
*
|
|
* Copyright (c) 2009-2019, Daniel Roethlisberger <daniel@roe.ch>.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "cachemgr.h"
|
|
|
|
#include "cachefkcrt.h"
|
|
#include "cachetgcrt.h"
|
|
#include "cachessess.h"
|
|
#include "cachedsess.h"
|
|
#include "log.h"
|
|
#include "attrib.h"
|
|
|
|
#include <string.h>
|
|
#include <pthread.h>
|
|
|
|
#include <netinet/in.h>
|
|
|
|
cache_t *cachemgr_fkcrt;
|
|
cache_t *cachemgr_tgcrt;
|
|
cache_t *cachemgr_ssess;
|
|
cache_t *cachemgr_dsess;
|
|
|
|
/*
|
|
* Garbage collector thread entry point.
|
|
* Calls the _gc() method on the cache passed as argument, then returns.
|
|
*/
|
|
static void *
|
|
cachemgr_gc_thread(UNUSED void * arg)
|
|
{
|
|
cache_gc(arg);
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Pre-initialize the caches.
|
|
* The caches may be initialized before or after libevent and OpenSSL.
|
|
* Returns -1 on error, 0 on success.
|
|
*/
|
|
int
|
|
cachemgr_preinit(void)
|
|
{
|
|
if (!(cachemgr_fkcrt = cache_new(cachefkcrt_init_cb)))
|
|
goto out4;
|
|
if (!(cachemgr_tgcrt = cache_new(cachetgcrt_init_cb)))
|
|
goto out3;
|
|
if (!(cachemgr_ssess = cache_new(cachessess_init_cb)))
|
|
goto out2;
|
|
if (!(cachemgr_dsess = cache_new(cachedsess_init_cb)))
|
|
goto out1;
|
|
return 0;
|
|
|
|
out1:
|
|
cache_free(cachemgr_ssess);
|
|
out2:
|
|
cache_free(cachemgr_tgcrt);
|
|
out3:
|
|
cache_free(cachemgr_fkcrt);
|
|
out4:
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Post-fork initialization.
|
|
* Returns -1 on error, 0 on success.
|
|
*/
|
|
int
|
|
cachemgr_init(void)
|
|
{
|
|
if (cache_reinit(cachemgr_fkcrt))
|
|
return -1;
|
|
if (cache_reinit(cachemgr_tgcrt))
|
|
return -1;
|
|
if (cache_reinit(cachemgr_ssess))
|
|
return -1;
|
|
if (cache_reinit(cachemgr_dsess))
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Cleanup the caches and free all memory. Since OpenSSL certificates are
|
|
* being freed, this must be done before calling the OpenSSL cleanup methods.
|
|
* Also, it is not safe to call this while cachemgr_gc() is still running.
|
|
*/
|
|
void
|
|
cachemgr_fini(void)
|
|
{
|
|
cache_free(cachemgr_dsess);
|
|
cache_free(cachemgr_ssess);
|
|
cache_free(cachemgr_tgcrt);
|
|
cache_free(cachemgr_fkcrt);
|
|
}
|
|
|
|
/*
|
|
* Garbage collect all the cache contents; free's up resources occupied by
|
|
* certificates and sessions which are no longer valid.
|
|
* This function returns after the cleanup completed and all threads are
|
|
* joined.
|
|
*/
|
|
void
|
|
cachemgr_gc(void)
|
|
{
|
|
pthread_t fkcrt_thr, dsess_thr, ssess_thr;
|
|
int rv;
|
|
|
|
/* the tgcrt cache does not need cleanup */
|
|
|
|
rv = pthread_create(&fkcrt_thr, NULL, cachemgr_gc_thread,
|
|
cachemgr_fkcrt);
|
|
if (rv) {
|
|
log_err_level_printf(LOG_CRIT, "cachemgr_gc: pthread_create failed: %s\n",
|
|
strerror(rv));
|
|
}
|
|
rv = pthread_create(&ssess_thr, NULL, cachemgr_gc_thread,
|
|
cachemgr_ssess);
|
|
if (rv) {
|
|
log_err_level_printf(LOG_CRIT, "cachemgr_gc: pthread_create failed: %s\n",
|
|
strerror(rv));
|
|
}
|
|
rv = pthread_create(&dsess_thr, NULL, cachemgr_gc_thread,
|
|
cachemgr_dsess);
|
|
if (rv) {
|
|
log_err_level_printf(LOG_CRIT, "cachemgr_gc: pthread_create failed: %s\n",
|
|
strerror(rv));
|
|
}
|
|
|
|
rv = pthread_join(fkcrt_thr, NULL);
|
|
if (rv) {
|
|
log_err_level_printf(LOG_CRIT, "cachemgr_gc: pthread_join failed: %s\n",
|
|
strerror(rv));
|
|
}
|
|
rv = pthread_join(ssess_thr, NULL);
|
|
if (rv) {
|
|
log_err_level_printf(LOG_CRIT, "cachemgr_gc: pthread_join failed: %s\n",
|
|
strerror(rv));
|
|
}
|
|
rv = pthread_join(dsess_thr, NULL);
|
|
if (rv) {
|
|
log_err_level_printf(LOG_CRIT, "cachemgr_gc: pthread_join failed: %s\n",
|
|
strerror(rv));
|
|
}
|
|
}
|
|
|
|
/* vim: set noet ft=c: */
|