mirror of https://github.com/OISF/suricata
tls: add (mpm) keyword tls_cert_issuer
This keyword is a replacement for tls.issuerdn.pull/2260/merge
Mats Klepsland
10 years ago
committed by
Victor Julien
parent
f1117ba2dc
commit
9b2717799c
@ -0,0 +1,101 @@
|
||||
/* Copyright (C) 2007-2016 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 Mats Klepsland <mats.klepsland@gmail.com>
|
||||
*
|
||||
* Implements support for tls_cert_issuer keyword.
|
||||
*/
|
||||
|
||||
#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-content.h"
|
||||
#include "detect-pcre.h"
|
||||
|
||||
#include "flow.h"
|
||||
#include "flow-util.h"
|
||||
#include "flow-var.h"
|
||||
|
||||
#include "util-debug.h"
|
||||
#include "util-unittest.h"
|
||||
#include "util-spm.h"
|
||||
#include "util-print.h"
|
||||
|
||||
#include "stream-tcp.h"
|
||||
|
||||
#include "app-layer.h"
|
||||
#include "app-layer-ssl.h"
|
||||
|
||||
#include "util-unittest.h"
|
||||
#include "util-unittest-helper.h"
|
||||
|
||||
static int DetectTlsIssuerSetup(DetectEngineCtx *, Signature *, char *);
|
||||
static void DetectTlsIssuerRegisterTests(void);
|
||||
|
||||
/**
|
||||
* \brief Registration function for keyword: tls_cert_issuer
|
||||
*/
|
||||
void DetectTlsIssuerRegister(void)
|
||||
{
|
||||
sigmatch_table[DETECT_AL_TLS_CERT_ISSUER].name = "tls_cert_issuer";
|
||||
sigmatch_table[DETECT_AL_TLS_CERT_ISSUER].desc = "content modifier to match specifically and only on the TLS cert issuer buffer";
|
||||
sigmatch_table[DETECT_AL_TLS_CERT_ISSUER].Match = NULL;
|
||||
sigmatch_table[DETECT_AL_TLS_CERT_ISSUER].AppLayerMatch = NULL;
|
||||
sigmatch_table[DETECT_AL_TLS_CERT_ISSUER].Setup = DetectTlsIssuerSetup;
|
||||
sigmatch_table[DETECT_AL_TLS_CERT_ISSUER].Free = NULL;
|
||||
sigmatch_table[DETECT_AL_TLS_CERT_ISSUER].RegisterTests = DetectTlsIssuerRegisterTests;
|
||||
|
||||
sigmatch_table[DETECT_AL_TLS_CERT_ISSUER].flags |= SIGMATCH_NOOPT;
|
||||
sigmatch_table[DETECT_AL_TLS_CERT_ISSUER].flags |= SIGMATCH_PAYLOAD;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* \brief this function setup the tls_cert_issuer modifier keyword used in the rule
|
||||
*
|
||||
* \param de_ctx Pointer to the Detection Engine Context
|
||||
* \param s Pointer to the Signature to which the current keyword belongs
|
||||
* \param str Should hold an empty string always
|
||||
*
|
||||
* \retval 0 On success
|
||||
*/
|
||||
static int DetectTlsIssuerSetup(DetectEngineCtx *de_ctx, Signature *s, char *str)
|
||||
{
|
||||
s->list = DETECT_SM_LIST_TLSISSUER_MATCH;
|
||||
s->alproto = ALPROTO_TLS;
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef UNITTESTS
|
||||
/* TODO add unit tests */
|
||||
#endif
|
||||
|
||||
static void DetectTlsIssuerRegisterTests(void)
|
||||
{
|
||||
#ifdef UNITTESTS
|
||||
/* TODO add unit tests */
|
||||
#endif
|
||||
}
|
||||
@ -0,0 +1,33 @@
|
||||
/* Copyright (C) 2016 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 Mats Klepsland <mats.klepsland@gmail.com>
|
||||
*/
|
||||
|
||||
#ifndef __DETECT_TLS_ISSUER_H__
|
||||
#define __DETECT_TLS_ISSUER_H__
|
||||
|
||||
#include "app-layer-ssl.h"
|
||||
|
||||
void DetectTlsIssuerRegister(void);
|
||||
uint32_t DetectTlsIssuerInspectMpm(DetectEngineThreadCtx *det_ctx, Flow *f,
|
||||
SSLState *ssl_state, uint8_t flags);
|
||||
|
||||
#endif /* __DETECT_TLS_ISSUER_H__ */
|
||||
Loading…
Reference in New Issue