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/* Copyright (C) 2012 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Xavier Lange <xrlange@gmail.com>
*
*/
#include "suricata-common.h"
#include "threads.h"
#include "debug.h"
#include "decode.h"
#include "detect.h"
#include "detect-parse.h"
#include "detect-engine.h"
#include "detect-engine-mpm.h"
#include "detect-engine-state.h"
#include "flow.h"
#include "flow-var.h"
#include "flow-util.h"
#include "util-debug.h"
#include "util-spm-bm.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
static int DetectPktDataSetup (DetectEngineCtx *, Signature *, char *);
static void DetectPktDataTestRegister(void);
/**
* \brief Registration function for keyword: file_data
*/
void DetectPktDataRegister(void)
{
sigmatch_table[DETECT_PKT_DATA].name = "pkt_data";
sigmatch_table[DETECT_PKT_DATA].Match = NULL;
sigmatch_table[DETECT_PKT_DATA].AppLayerMatch = NULL;
sigmatch_table[DETECT_PKT_DATA].alproto = ALPROTO_HTTP;
sigmatch_table[DETECT_PKT_DATA].Setup = DetectPktDataSetup;
sigmatch_table[DETECT_PKT_DATA].Free = NULL;
sigmatch_table[DETECT_PKT_DATA].RegisterTests = DetectPktDataTestRegister;
sigmatch_table[DETECT_PKT_DATA].flags = SIGMATCH_NOOPT;
}
/**
* \brief this function is used to parse pkt_data options
* \brief into the current signature
*
* \param de_ctx pointer to the Detection Engine Context
* \param s pointer to the Current Signature
* \param str pointer to the user provided "filestore" option
*
* \retval 0 on Success
* \retval -1 on Failure
*/
static int DetectPktDataSetup (DetectEngineCtx *de_ctx, Signature *s, char *str)
{
SCEnter();
s->list = DETECT_SM_LIST_NOTSET;
return 0;
}
#ifdef UNITTESTS
/************************************Unittests*********************************/
static int DetectPktDataTest01(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
SigMatch *sm = NULL;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
Signature *sig = SigInit(de_ctx, "alert tcp any any -> any any "
"(file_data; content:\"in file data\";"
" pkt_data; content:\"in pkt data\";)");
de_ctx->sig_list = sig;
if (de_ctx->sig_list == NULL) {
SCLogError(SC_ERR_INVALID_SIGNATURE,"could not load test signature");
goto end;
}
/* sm should be in the MATCH list */
sm = de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA];
if (sm == NULL) {
printf("sm not in DETECT_SM_LIST_FILEDATA: ");
goto end;
}
sm = de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH];
if (sm == NULL) {
printf("sm not in DETECT_SM_LIST_PMATCH: ");
goto end;
}
if (sm->type != DETECT_CONTENT) {
printf("sm type not DETECT_AL_HTTP_SERVER_BODY: ");
goto end;
}
if (sm->next != NULL) {
goto end;
}
if (sig->list != DETECT_SM_LIST_NOTSET) {
printf("sticky buffer set: ");
goto end;
}
result = 1;
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
#endif
static void DetectPktDataTestRegister(void)
{
#ifdef UNITTESTS
UtRegisterTest("DetectPktDataTest01", DetectPktDataTest01, 1);
#endif
}
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