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-rw-r--r--framework/src/suricata/src/detect-http-stat-msg.c564
1 files changed, 0 insertions, 564 deletions
diff --git a/framework/src/suricata/src/detect-http-stat-msg.c b/framework/src/suricata/src/detect-http-stat-msg.c
deleted file mode 100644
index d2d7685e..00000000
--- a/framework/src/suricata/src/detect-http-stat-msg.c
+++ /dev/null
@@ -1,564 +0,0 @@
-/* Copyright (C) 2007-2010 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.
- */
-
-/**
- * \ingroup httplayer
- *
- * @{
- */
-
-
-/**
- * \file
- *
- * \author Gurvinder Singh <gurvindersinghdahiya@gmail.com>
- * \author Anoop Saldanha <anoopsaldanha@gmail.com>
- *
- * Implements the http_stat_msg 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-content.h"
-#include "detect-pcre.h"
-#include "detect-engine-mpm.h"
-
-#include "flow.h"
-#include "flow-var.h"
-#include "flow-util.h"
-
-#include "util-debug.h"
-#include "util-error.h"
-#include "util-unittest.h"
-#include "util-unittest-helper.h"
-#include "util-spm.h"
-#include "util-print.h"
-
-#include "app-layer.h"
-#include "app-layer-parser.h"
-
-#include "app-layer-htp.h"
-#include "detect-http-stat-msg.h"
-#include "stream-tcp-private.h"
-#include "stream-tcp.h"
-
-int DetectHttpStatMsgMatch (ThreadVars *, DetectEngineThreadCtx *,
- Flow *, uint8_t , void *, Signature *,
- SigMatch *);
-static int DetectHttpStatMsgSetup(DetectEngineCtx *, Signature *, char *);
-void DetectHttpStatMsgRegisterTests(void);
-void DetectHttpStatMsgFree(void *);
-
-/**
- * \brief Registration function for keyword: http_stat_msg
- */
-void DetectHttpStatMsgRegister (void)
-{
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].name = "http_stat_msg";
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].desc = "content modifier to match on HTTP stat-msg-buffer";
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].url = "https://redmine.openinfosecfoundation.org/projects/suricata/wiki/HTTP-keywords#http_stat_msg";
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].Match = NULL;
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].AppLayerMatch = NULL;
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].alproto = ALPROTO_HTTP;
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].Setup = DetectHttpStatMsgSetup;
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].Free = NULL;
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].RegisterTests = DetectHttpStatMsgRegisterTests;
-
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].flags |= SIGMATCH_NOOPT;
- sigmatch_table[DETECT_AL_HTTP_STAT_MSG].flags |= SIGMATCH_PAYLOAD;
-}
-
-/**
- * \brief this function setups the http_stat_msg 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
- * \retval -1 On failure
- */
-
-static int DetectHttpStatMsgSetup(DetectEngineCtx *de_ctx, Signature *s, char *arg)
-{
- return DetectEngineContentModifierBufferSetup(de_ctx, s, arg,
- DETECT_AL_HTTP_STAT_MSG,
- DETECT_SM_LIST_HSMDMATCH,
- ALPROTO_HTTP,
- NULL);
-}
-
-#ifdef UNITTESTS
-
-/**
- * \test Checks if a http_stat_msg is registered in a Signature, if content is not
- * specified in the signature or rawbyes is specified or fast_pattern is
- * provided in the signature.
- */
-int DetectHttpStatMsgTest01(void)
-{
- DetectEngineCtx *de_ctx = NULL;
- int result = 0;
-
- if ( (de_ctx = DetectEngineCtxInit()) == NULL)
- goto end;
-
- de_ctx->flags |= DE_QUIET;
- de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing http_stat_msg\"; http_stat_msg;sid:1;)");
- if (de_ctx->sig_list != NULL)
- goto end;
-
- de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing http_stat_msg\"; content:\"|FF F1|\";"
- " rawbytes; http_stat_msg;sid:1;)");
- if (de_ctx->sig_list != NULL)
- goto end;
-
- de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing http_stat_msg\"; content:\"one\";"
- "fast_pattern; http_stat_msg; sid:1;)");
- if (de_ctx->sig_list == NULL)
- goto end;
- if (!(((DetectContentData *)de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HSMDMATCH]->ctx)->flags &
- DETECT_CONTENT_FAST_PATTERN))
- {
- goto end;
- }
-
- result = 1;
-end:
- if (de_ctx != NULL)
- DetectEngineCtxFree(de_ctx);
- return result;
-}
-
-/**
- * \test Checks if a http_stat_msg is registered in a Signature and also checks
- * the nocase
- */
-int DetectHttpStatMsgTest02(void)
-{
- SigMatch *sm = NULL;
- DetectEngineCtx *de_ctx = NULL;
- int result = 0;
-
- if ( (de_ctx = DetectEngineCtxInit()) == NULL)
- goto end;
-
- de_ctx->flags |= DE_QUIET;
- de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing http_stat_msg\"; content:\"one\"; "
- "http_stat_msg; content:\"two\"; http_stat_msg; "
- "content:\"two\"; nocase; http_stat_msg; "
- "sid:1;)");
- if (de_ctx->sig_list == NULL) {
- printf("sig parse failed: ");
- goto end;
- }
-
- result = 0;
- sm = de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HSMDMATCH];
- if (sm == NULL) {
- printf("no sigmatch(es): ");
- goto end;
- }
-
- SigMatch *prev = NULL;
- while (sm != NULL) {
- if (sm->type == DETECT_CONTENT) {
- result = 1;
- } else {
- printf("expected DETECT_CONTENT for http_stat_msg, got %d: ", sm->type);
- goto end;
- }
- prev = sm;
- sm = sm->next;
- }
-
- if (! (((DetectContentData *)prev->ctx)->flags &
- DETECT_CONTENT_NOCASE))
- {
- result = 0;
- }
-end:
- if (de_ctx != NULL)
- DetectEngineCtxFree(de_ctx);
- return result;
-}
-
-/** \test Check the signature working to alert when http_stat_msg is matched . */
-static int DetectHttpStatMsgSigTest01(void)
-{
- int result = 0;
- Flow f;
- uint8_t httpbuf1[] = "POST / HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\n\r\n";
- uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
- uint8_t httpbuf2[] = "HTTP/1.0 200 OK\r\n\r\n";
- uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
- TcpSession ssn;
- Packet *p = NULL;
- Signature *s = NULL;
- ThreadVars th_v;
- DetectEngineThreadCtx *det_ctx = NULL;
- HtpState *http_state = NULL;
- AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
-
- memset(&th_v, 0, sizeof(th_v));
- memset(&f, 0, sizeof(f));
- memset(&ssn, 0, sizeof(ssn));
-
- p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
-
- FLOW_INITIALIZE(&f);
- f.protoctx = (void *)&ssn;
- f.proto = IPPROTO_TCP;
- f.flags |= FLOW_IPV4;
-
- p->flow = &f;
- p->flowflags |= FLOW_PKT_TOCLIENT;
- p->flowflags |= FLOW_PKT_ESTABLISHED;
- p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
- f.alproto = ALPROTO_HTTP;
-
- StreamTcpInitConfig(TRUE);
-
- DetectEngineCtx *de_ctx = DetectEngineCtxInit();
- if (de_ctx == NULL) {
- goto end;
- }
-
- de_ctx->flags |= DE_QUIET;
-
- s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any (msg:"
- "\"HTTP status message\"; content:\"OK\"; "
- "http_stat_msg; sid:1;)");
- if (s == NULL) {
- goto end;
- }
-
- s->next = SigInit(de_ctx,"alert http any any -> any any (msg:\"HTTP "
- "Status message nocase\"; content:\"ok\"; nocase; "
- "http_stat_msg; sid:2;)");
- if (s->next == NULL) {
- goto end;
- }
-
- SigGroupBuild(de_ctx);
- DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
-
- SCMutexLock(&f.m);
- int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
- if (r != 0) {
- printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
- result = 0;
- SCMutexUnlock(&f.m);
- goto end;
- }
-
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT, httpbuf2, httplen2);
- if (r != 0) {
- printf("toclient chunk 1 returned %" PRId32 ", expected 0: ", r);
- result = 0;
- SCMutexUnlock(&f.m);
- goto end;
- }
- SCMutexUnlock(&f.m);
-
- http_state = f.alstate;
- if (http_state == NULL) {
- printf("no http state: ");
- result = 0;
- goto end;
- }
-
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (!(PacketAlertCheck(p, 1))) {
- printf("sid 1 didn't match but should have: ");
- goto end;
- }
- if (!(PacketAlertCheck(p, 2))) {
- printf("sid 2 didn't match but should have: ");
- goto end;
- }
-
- result = 1;
-end:
- if (alp_tctx != NULL)
- AppLayerParserThreadCtxFree(alp_tctx);
- if (det_ctx != NULL) {
- DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
- }
- if (de_ctx != NULL) {
- SigGroupCleanup(de_ctx);
- DetectEngineCtxFree(de_ctx);
- }
-
- StreamTcpFreeConfig(TRUE);
-
- UTHFreePackets(&p, 1);
- return result;
-}
-
-/** \test Check the signature working to alert when http_stat_msg is not matched . */
-static int DetectHttpStatMsgSigTest02(void)
-{
- int result = 0;
- Flow f;
- uint8_t httpbuf1[] = "POST / HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\n\r\n";
- uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
- uint8_t httpbuf2[] = "HTTP/1.0 200 OK\r\n\r\n";
- uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
- TcpSession ssn;
- Packet *p = NULL;
- Signature *s = NULL;
- ThreadVars th_v;
- DetectEngineThreadCtx *det_ctx = NULL;
- HtpState *http_state = NULL;
- AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
-
- memset(&th_v, 0, sizeof(th_v));
- memset(&f, 0, sizeof(f));
- memset(&ssn, 0, sizeof(ssn));
-
- p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
-
- FLOW_INITIALIZE(&f);
- f.protoctx = (void *)&ssn;
- f.proto = IPPROTO_TCP;
- f.flags |= FLOW_IPV4;
-
- p->flow = &f;
- p->flowflags |= FLOW_PKT_TOCLIENT;
- p->flowflags |= FLOW_PKT_ESTABLISHED;
- p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
- f.alproto = ALPROTO_HTTP;
-
- StreamTcpInitConfig(TRUE);
-
- DetectEngineCtx *de_ctx = DetectEngineCtxInit();
- if (de_ctx == NULL) {
- goto end;
- }
-
- de_ctx->flags |= DE_QUIET;
-
- s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any (msg:"
- "\"HTTP status message\"; content:\"no\"; "
- "http_stat_msg; sid:1;)");
- if (s == NULL) {
- goto end;
- }
-
- SigGroupBuild(de_ctx);
- DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
-
- SCMutexLock(&f.m);
- int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
- if (r != 0) {
- printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
- result = 0;
- SCMutexUnlock(&f.m);
- goto end;
- }
-
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT, httpbuf2, httplen2);
- if (r != 0) {
- printf("toclient chunk 1 returned %" PRId32 ", expected 0: ", r);
- result = 0;
- SCMutexUnlock(&f.m);
- goto end;
- }
- SCMutexUnlock(&f.m);
-
- http_state = f.alstate;
- if (http_state == NULL) {
- printf("no http state: ");
- result = 0;
- goto end;
- }
-
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (PacketAlertCheck(p, 1)) {
- printf("sid 1 matched but shouldn't: ");
- goto end;
- }
-
- result = 1;
-end:
- if (alp_tctx != NULL)
- AppLayerParserThreadCtxFree(alp_tctx);
- if (det_ctx != NULL) {
- DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
- }
- if (de_ctx != NULL) {
- SigGroupCleanup(de_ctx);
- DetectEngineCtxFree(de_ctx);
- }
-
- StreamTcpFreeConfig(TRUE);
-
- UTHFreePackets(&p, 1);
- return result;
-}
-
-/** \test Check the signature working to alert when http_stat_msg is used with
- * negated content . */
-static int DetectHttpStatMsgSigTest03(void)
-{
- int result = 0;
- Flow f;
- uint8_t httpbuf1[] = "POST / HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\n\r\n";
- uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
- uint8_t httpbuf2[] = "HTTP/1.0 200 OK\r\n\r\n";
- uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
- TcpSession ssn;
- Packet *p = NULL;
- Signature *s = NULL;
- ThreadVars th_v;
- DetectEngineThreadCtx *det_ctx = NULL;
- HtpState *http_state = NULL;
- AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
-
- memset(&th_v, 0, sizeof(th_v));
- memset(&f, 0, sizeof(f));
- memset(&ssn, 0, sizeof(ssn));
-
- p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
-
- FLOW_INITIALIZE(&f);
- f.protoctx = (void *)&ssn;
- f.proto = IPPROTO_TCP;
- f.flags |= FLOW_IPV4;
-
- p->flow = &f;
- p->flowflags |= FLOW_PKT_TOCLIENT;
- p->flowflags |= FLOW_PKT_ESTABLISHED;
- p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
- f.alproto = ALPROTO_HTTP;
-
- StreamTcpInitConfig(TRUE);
-
- DetectEngineCtx *de_ctx = DetectEngineCtxInit();
- if (de_ctx == NULL) {
- goto end;
- }
-
- de_ctx->flags |= DE_QUIET;
-
- s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any (msg:"
- "\"HTTP status message\"; content:\"ok\"; "
- "nocase; http_stat_msg; sid:1;)");
- if (s == NULL) {
- goto end;
- }
-
- s->next = SigInit(de_ctx,"alert http any any -> any any (msg:\"HTTP "
- "Status message nocase\"; content:!\"Not\"; "
- "http_stat_msg; sid:2;)");
- if (s->next == NULL) {
- goto end;
- }
-
- SigGroupBuild(de_ctx);
- DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
-
- SCMutexLock(&f.m);
- int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
- if (r != 0) {
- printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
- result = 0;
- SCMutexUnlock(&f.m);
- goto end;
- }
-
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT, httpbuf2, httplen2);
- if (r != 0) {
- printf("toclient chunk 1 returned %" PRId32 ", expected 0: ", r);
- result = 0;
- SCMutexUnlock(&f.m);
- goto end;
- }
- SCMutexUnlock(&f.m);
-
- http_state = f.alstate;
- if (http_state == NULL) {
- printf("no http state: ");
- result = 0;
- goto end;
- }
-
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (! PacketAlertCheck(p, 1)) {
- printf("sid 1 didn't matched but should have: ");
- goto end;
- }
- if (! PacketAlertCheck(p, 2)) {
- printf("sid 2 didn't matched but should have: ");
- goto end;
- }
-
- result = 1;
-end:
- if (alp_tctx != NULL)
- AppLayerParserThreadCtxFree(alp_tctx);
- if (det_ctx != NULL) {
- DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
- }
- if (de_ctx != NULL) {
- SigGroupCleanup(de_ctx);
- DetectEngineCtxFree(de_ctx);
- }
-
- StreamTcpFreeConfig(TRUE);
-
- UTHFreePackets(&p, 1);
- return result;
-}
-
-#endif /* UNITTESTS */
-
-/**
- * \brief Register the UNITTESTS for the http_stat_msg keyword
- */
-void DetectHttpStatMsgRegisterTests (void)
-{
-#ifdef UNITTESTS /* UNITTESTS */
-
- UtRegisterTest("DetectHttpStatMsgTest01", DetectHttpStatMsgTest01, 1);
- UtRegisterTest("DetectHttpStatMsgTest02", DetectHttpStatMsgTest02, 1);
- UtRegisterTest("DetectHttpStatMsgSigTest01", DetectHttpStatMsgSigTest01, 1);
- UtRegisterTest("DetectHttpStatMsgSigTest02", DetectHttpStatMsgSigTest02, 1);
- UtRegisterTest("DetectHttpStatMsgSigTest03", DetectHttpStatMsgSigTest03, 1);
-
-#endif /* UNITTESTS */
-}
-/**
- * @}
- */