/src/detect-file-data.c
https://github.com/decanio/suricata-tilera · C · 84 lines · 38 code · 10 blank · 36 comment · 3 complexity · 3b895c0a4136b9b02c6eeee7a597864a MD5 · raw file
- /* Copyright (C) 2007-2011 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 Victor Julien <victor@inliniac.net>
- *
- */
- #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 DetectFiledataSetup (DetectEngineCtx *, Signature *, char *);
- /**
- * \brief Registration function for keyword: file_data
- */
- void DetectFiledataRegister(void) {
- sigmatch_table[DETECT_FILE_DATA].name = "file_data";
- sigmatch_table[DETECT_FILE_DATA].desc = "make content keywords match on HTTP response body";
- sigmatch_table[DETECT_FILE_DATA].url = "https://redmine.openinfosecfoundation.org/projects/suricata/wiki/HTTP-keywords#file_data";
- sigmatch_table[DETECT_FILE_DATA].Match = NULL;
- sigmatch_table[DETECT_FILE_DATA].AppLayerMatch = NULL;
- sigmatch_table[DETECT_FILE_DATA].alproto = ALPROTO_HTTP;
- sigmatch_table[DETECT_FILE_DATA].Setup = DetectFiledataSetup;
- sigmatch_table[DETECT_FILE_DATA].Free = NULL;
- sigmatch_table[DETECT_FILE_DATA].RegisterTests = NULL;
- }
- /**
- * \brief this function is used to parse filedata 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 DetectFiledataSetup (DetectEngineCtx *de_ctx, Signature *s, char *str)
- {
- SCEnter();
- if ((s->init_flags & SIG_FLAG_INIT_FLOW) && (s->flags & SIG_FLAG_TOSERVER) && !(s->flags & SIG_FLAG_TOCLIENT)) {
- SCLogError(SC_ERR_INVALID_SIGNATURE, "Can't use file_data with flow:to_server or from_client with http.");
- return -1;
- }
- s->init_flags |= SIG_FLAG_INIT_FILE_DATA;
- return 0;
- }