diff options
Diffstat (limited to 'framework/src/suricata/src/detect-http-server-body.c')
| -rw-r--r-- | framework/src/suricata/src/detect-http-server-body.c | 3873 |
1 files changed, 0 insertions, 3873 deletions
diff --git a/framework/src/suricata/src/detect-http-server-body.c b/framework/src/suricata/src/detect-http-server-body.c deleted file mode 100644 index a5463b66..00000000 --- a/framework/src/suricata/src/detect-http-server-body.c +++ /dev/null @@ -1,3873 +0,0 @@ -/* 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. - */ - -/** - * \ingroup httplayer - * - * @{ - */ - - -/** - * \file - * - * \author Anoop Saldanha <anoopsaldanha@gmail.com> - * \author Victor Julien <victor@inliniac.net> - * - * Implements support for the http_server_body keyword - */ - -#include "suricata-common.h" -#include "threads.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 "detect-content.h" -#include "detect-pcre.h" - -#include "flow.h" -#include "flow-var.h" -#include "flow-util.h" - -#include "util-debug.h" -#include "util-unittest.h" -#include "util-unittest-helper.h" -#include "util-spm.h" - -#include "app-layer.h" -#include "app-layer-parser.h" - -#include "app-layer-htp.h" -#include "detect-http-server-body.h" -#include "stream-tcp.h" - -int DetectHttpServerBodySetup(DetectEngineCtx *, Signature *, char *); -void DetectHttpServerBodyRegisterTests(void); -void DetectHttpServerBodyFree(void *); - -/** - * \brief Registers the keyword handlers for the "http_server_body" keyword. - */ -void DetectHttpServerBodyRegister(void) -{ - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].name = "http_server_body"; - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].desc = "content modifier to match only on the HTTP response-body"; - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].url = "https://redmine.openinfosecfoundation.org/projects/suricata/wiki/HTTP-keywords#http_server_body"; - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].Match = NULL; - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].AppLayerMatch = NULL; - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].Setup = DetectHttpServerBodySetup; - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].Free = DetectHttpServerBodyFree; - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].RegisterTests = DetectHttpServerBodyRegisterTests; - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].alproto = ALPROTO_HTTP; - - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].flags |= SIGMATCH_NOOPT; - sigmatch_table[DETECT_AL_HTTP_SERVER_BODY].flags |= SIGMATCH_PAYLOAD ; -} - -static void DetectHttpServerBodySetupCallback(Signature *s) -{ - s->flags |= SIG_FLAG_APPLAYER; - AppLayerHtpEnableResponseBodyCallback(); - - return; -} - -/** - * \brief The setup function for the http_server_body keyword for a signature. - * - * \param de_ctx Pointer to the detection engine context. - * \param s Pointer to signature for the current Signature being parsed - * from the rules. - * \param m Pointer to the head of the SigMatchs for the current rule - * being parsed. - * \param arg Pointer to the string holding the keyword value. - * - * \retval 0 On success - * \retval -1 On failure - */ -int DetectHttpServerBodySetup(DetectEngineCtx *de_ctx, Signature *s, char *arg) -{ - return DetectEngineContentModifierBufferSetup(de_ctx, s, arg, - DETECT_AL_HTTP_SERVER_BODY, - DETECT_SM_LIST_FILEDATA, - ALPROTO_HTTP, - DetectHttpServerBodySetupCallback); -} - -/** - * \brief The function to free the http_server_body data. - * - * \param ptr Pointer to the http_server_body. - */ -void DetectHttpServerBodyFree(void *ptr) -{ - SCEnter(); - DetectContentData *hsbd = (DetectContentData *)ptr; - if (hsbd == NULL) - SCReturn; - - if (hsbd->content != NULL) - SCFree(hsbd->content); - - BoyerMooreCtxDeInit(hsbd->bm_ctx); - SCFree(hsbd); - - SCReturn; -} - -/************************************Unittests*********************************/ - -#ifdef UNITTESTS - -#include "stream-tcp-reassemble.h" - -/** - * \test Test that a signature containting a http_server_body is correctly parsed - * and the keyword is registered. - */ -static int DetectHttpServerBodyTest01(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; - de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any " - "(msg:\"Testing http_server_body\"; " - "content:\"one\"; http_server_body; sid:1;)"); - if (de_ctx->sig_list == NULL) { - goto end; - } - - /* sm should not be in the MATCH list */ - sm = de_ctx->sig_list->sm_lists[DETECT_SM_LIST_MATCH]; - if (sm != NULL) { - goto end; - } - - sm = de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA]; - if (sm == NULL) { - goto end; - } - - if (sm->type != DETECT_CONTENT) { - printf("sm type not DETECT_AL_HTTP_SERVER_BODY: "); - goto end; - } - - if (sm->next != NULL) { - goto end; - } - - result = 1; -end: - SigGroupCleanup(de_ctx); - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - - return result; -} - -/** - * \test Test that a signature containing an valid http_server_body entry is - * parsed. - */ -static int DetectHttpServerBodyTest02(void) -{ - DetectEngineCtx *de_ctx = NULL; - int result = 0; - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any " - "(msg:\"Testing http_server_body\"; " - "content:\"one\"; http_server_body:; sid:1;)"); - if (de_ctx->sig_list != NULL) - result = 1; - - end: - SigGroupCleanup(de_ctx); - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - - return result; -} - -/** - * \test Test that an invalid signature containing no content but a http_server_body - * is invalidated. - */ -static int DetectHttpServerBodyTest03(void) -{ - DetectEngineCtx *de_ctx = NULL; - int result = 0; - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any " - "(msg:\"Testing http_server_body\"; " - "http_server_body; sid:1;)"); - if (de_ctx->sig_list == NULL) - result = 1; - - end: - SigGroupCleanup(de_ctx); - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - - return result; -} - -/** - * \test Test that an invalid signature containing a rawbytes along with a - * http_server_body is invalidated. - */ -static int DetectHttpServerBodyTest04(void) -{ - DetectEngineCtx *de_ctx = NULL; - int result = 0; - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any " - "(msg:\"Testing http_server_body\"; " - "content:\"one\"; rawbytes; http_server_body; sid:1;)"); - if (de_ctx->sig_list == NULL) - result = 1; - - end: - SigGroupCleanup(de_ctx); - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - - return result; -} - -/** - * \test Test that an invalid signature containing a rawbytes along with a - * http_server_body is invalidated. - */ -static int DetectHttpServerBodyTest05(void) -{ - DetectEngineCtx *de_ctx = NULL; - int result = 0; - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any " - "(msg:\"Testing http_server_body\"; " - "content:\"one\"; http_server_body; nocase; sid:1;)"); - if (de_ctx->sig_list != NULL) - result = 1; - - end: - SigGroupCleanup(de_ctx); - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. - */ -static int DetectHttpServerBodyTest06(void) -{ - TcpSession ssn; - Packet *p = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len = sizeof(http_buf) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 7\r\n" - "\r\n" - "message"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - int result = 0; - 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); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http server body test\"; " - "content:\"message\"; http_server_body; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START|STREAM_EOF, http_buf, http_len); - 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|STREAM_START|STREAM_EOF, http_buf2, http_len2); - if (r != 0) { - printf("toserver 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: \n"); - 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; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. - */ -static int DetectHttpServerBodyTest07(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n" - "message"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "message"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http server body test\"; " - "content:\"message\"; http_server_body; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START|STREAM_EOF, http_buf1, http_len1); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - http_state = f.alstate; - if (http_state == NULL) { - printf("no http state: "); - goto end; - } - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if ((PacketAlertCheck(p1, 1))) { - printf("sid 1 matched on chunk2 but shouldn't have: "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - if (r != 0) { - printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - if (!(PacketAlertCheck(p2, 1))) { - printf("sid 1 didn't match on p2 (chunk3) but should have: "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. - */ -static int DetectHttpServerBodyTest08(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n" - "bigmes"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "sage4u!!"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http client body test\"; " - "content:\"message\"; http_server_body; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START, http_buf1, http_len1); - if (r != 0) { - printf("toserver 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; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if ((PacketAlertCheck(p1, 1))) { - printf("sid 1 matched but shouldn't have: "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - - if (!(PacketAlertCheck(p2, 1))) { - printf("sid 1 didn't match but should have: "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. - */ -static int DetectHttpServerBodyTest09(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n" - "bigmes"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "sag"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - uint8_t http_buf4[] = - "e4u!!"; - uint32_t http_len4 = sizeof(http_buf4) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http client body test\"; " - "content:\"message\"; http_server_body; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START, http_buf1, http_len1); - if (r != 0) { - printf("toserver 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; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if ((PacketAlertCheck(p1, 1))) { - printf("sid 1 matched but shouldn't have: "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - 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|STREAM_EOF, http_buf4, http_len4); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - - if (!(PacketAlertCheck(p2, 1))) { - printf("sid 1 didn't match but should have: "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. Case insensitve. - */ -static int DetectHttpServerBodyTest10(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n" - "bigmes"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "sag"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - uint8_t http_buf4[] = - "e4u!!"; - uint32_t http_len4 = sizeof(http_buf4) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http client body test\"; " - "content:\"MeSSaGE\"; http_server_body; nocase; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START, http_buf1, http_len1); - if (r != 0) { - printf("toserver 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; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if ((PacketAlertCheck(p1, 1))) { - printf("sid 1 matched but shouldn't have: "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - 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|STREAM_EOF, http_buf4, http_len4); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - - if (!(PacketAlertCheck(p2, 1))) { - printf("sid 1 didn't match but should have: "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. Negated match. - */ -static int DetectHttpServerBodyTest11(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "bigmessage4u!!"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http client body test\"; " - "content:!\"MaSSaGE\"; http_server_body; nocase; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START, http_buf1, http_len1); - if (r != 0) { - printf("toserver 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; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if (PacketAlertCheck(p1, 1)) { - printf("sid 1 matched but shouldn't have (p1): "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - - if (!(PacketAlertCheck(p2, 1))) { - printf("sid 1 didn't match but should have (p2): "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. Negated match. - */ -static int DetectHttpServerBodyTest12(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "bigmessage4u!!"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http client body test\"; " - "content:!\"MeSSaGE\"; http_server_body; nocase; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START, http_buf1, http_len1); - if (r != 0) { - printf("toserver 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; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if (PacketAlertCheck(p1, 1)) { - printf("sid 1 matched but shouldn't have (p1): "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - - if (PacketAlertCheck(p2, 1)) { - printf("sid 1 matched but shouldn't have (p2): "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -static int DetectHttpServerBodyTest13(void) -{ - TcpSession ssn; - Packet *p = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len = sizeof(http_buf) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 55\r\n" - "\r\n" - "longbufferabcdefghijklmnopqrstuvwxyz0123456789bufferend"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - int result = 0; - 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); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http server body test\"; " - "content:\"longbufferabcdefghijklmnopqrstuvwxyz0123456789bufferend\"; http_server_body; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START|STREAM_EOF, http_buf, http_len); - 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|STREAM_START|STREAM_EOF, http_buf2, http_len2); - if (r != 0) { - printf("toserver 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: \n"); - 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; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p, 1); - return result; -} - -/** \test multiple http transactions and body chunks of request handling */ -static int DetectHttpServerBodyTest14(void) -{ - int result = 0; - Signature *s = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - ThreadVars th_v; - Flow f; - TcpSession ssn; - Packet *p = NULL; - uint8_t httpbuf1[] = "GET /index1.html HTTP/1.1\r\n" - "User-Agent: Mozilla/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "Connection: keep-alive\r\n" - "Cookie: dummy1\r\n\r\n"; - uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */ - uint8_t httpbuf2[] = "HTTP/1.1 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 3\r\n" - "\r\n" - "one"; - uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */ - uint8_t httpbuf3[] = "GET /index2.html HTTP/1.1\r\n" - "User-Agent: Firefox/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "Connection: keep-alive\r\n" - "Cookie: dummy2\r\n\r\n"; - uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */ - uint8_t httpbuf4[] = "HTTP/1.1 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 3\r\n" - "\r\n" - "two"; - uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */ - 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 = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (flow:established,to_client; content:\"one\"; http_server_body; sid:1; rev:1;)"); - if (s == NULL) { - printf("sig parse failed: "); - goto end; - } - s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (flow:established,to_client; content:\"two\"; http_server_body; sid:2; rev:1;)"); - if (s == NULL) { - printf("sig2 parse failed: "); - goto end; - } - - SigGroupBuild(de_ctx); - DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx); - - SCLogDebug("add chunk 1"); - - SCMutexLock(&f.m); - int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER|STREAM_START, httpbuf1, httplen1); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - - SCLogDebug("add chunk 2"); - - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT, httpbuf2, httplen2); - if (r != 0) { - printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - SCLogDebug("inspect chunk 1"); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p); - if (!(PacketAlertCheck(p, 1))) { - printf("sig 1 didn't alert (tx 1): "); - goto end; - } - p->alerts.cnt = 0; - - SCLogDebug("add chunk 3"); - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf3, httplen3); - if (r != 0) { - printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - - SCLogDebug("add chunk 4"); - - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, httpbuf4, httplen4); - if (r != 0) { - printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - SCLogDebug("inspect chunk 4"); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p); - if ((PacketAlertCheck(p, 1))) { - printf("sig 1 alerted (tx 2): "); - goto end; - } - if (!(PacketAlertCheck(p, 2))) { - printf("sig 2 didn't alert (tx 2): "); - goto end; - } - p->alerts.cnt = 0; - - HtpState *htp_state = f.alstate; - if (htp_state == NULL) { - printf("no http state: "); - goto end; - } - - if (AppLayerParserGetTxCnt(IPPROTO_TCP, ALPROTO_HTTP, htp_state) != 2) { - printf("The http app layer doesn't have 2 transactions, but it should: "); - 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); - FLOW_DESTROY(&f); - UTHFreePacket(p); - return result; -} - -static int DetectHttpServerBodyTest15(void) -{ - int result = 0; - Signature *s = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - ThreadVars th_v; - Flow f; - TcpSession ssn; - Packet *p = NULL; - uint8_t httpbuf1[] = "GET /index1.html HTTP/1.1\r\n" - "User-Agent: Mozilla/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "Connection: keep-alive\r\n" - "Cookie: dummy1\r\n\r\n"; - uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */ - uint8_t httpbuf2[] = "HTTP/1.1 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 3\r\n" - "\r\n" - "one"; - uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */ - uint8_t httpbuf3[] = "GET /index2.html HTTP/1.1\r\n" - "User-Agent: Firefox/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "Connection: keep-alive\r\n" - "Cookie: dummy2\r\n\r\n"; - uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */ - uint8_t httpbuf4[] = "HTTP/1.1 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 3\r\n" - "\r\n" - "two"; - uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */ - 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 = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (flow:established,to_client; content:\"one\"; http_server_body; sid:1; rev:1;)"); - if (s == NULL) { - printf("sig parse failed: "); - goto end; - } - s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (flow:established,to_client; content:\"two\"; http_server_body; sid:2; rev:1;)"); - if (s == NULL) { - printf("sig2 parse failed: "); - 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|STREAM_START, httpbuf1, httplen1); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT, httpbuf2, httplen2); - if (r != 0) { - printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p); - if (!(PacketAlertCheck(p, 1))) { - printf("sig 1 didn't alert (tx 1): "); - goto end; - } - if (PacketAlertCheck(p, 2)) { - printf("sig 2 alerted (tx 1): "); - goto end; - } - p->alerts.cnt = 0; - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf3, httplen3); - if (r != 0) { - printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, httpbuf4, httplen4); - if (r != 0) { - printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p); - if ((PacketAlertCheck(p, 1))) { - printf("sig 1 alerted (tx 2): "); - goto end; - } - if (!(PacketAlertCheck(p, 2))) { - printf("sig 2 didn't alert (tx 2): "); - goto end; - } - p->alerts.cnt = 0; - - HtpState *htp_state = f.alstate; - if (htp_state == NULL) { - printf("no http state: "); - goto end; - } - - if (AppLayerParserGetTxCnt(IPPROTO_TCP, ALPROTO_HTTP, htp_state) != 2) { - printf("The http app layer doesn't have 2 transactions, but it should: "); - 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); - FLOW_DESTROY(&f); - UTHFreePacket(p); - return result; -} - -int DetectHttpServerBodyTest22(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 icmp any any -> any any " - "(content:\"one\"; content:\"two\"; http_server_body; " - "content:\"three\"; distance:10; http_server_body; content:\"four\"; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - DetectContentData *cd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx; - DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; - DetectContentData *hsbd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectContentData *hsbd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (cd1->flags != 0 || memcmp(cd1->content, "one", cd1->content_len) != 0 || - cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 || - hsbd1->flags != DETECT_CONTENT_RELATIVE_NEXT || - memcmp(hsbd1->content, "two", hsbd1->content_len) != 0 || - hsbd2->flags != DETECT_CONTENT_DISTANCE || - memcmp(hsbd2->content, "three", hsbd1->content_len) != 0) { - goto end; - } - - if (!DETECT_CONTENT_IS_SINGLE(cd1) || - !DETECT_CONTENT_IS_SINGLE(cd2) || - DETECT_CONTENT_IS_SINGLE(hsbd1) || - DETECT_CONTENT_IS_SINGLE(hsbd2)) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest23(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 icmp any any -> any any " - "(content:\"one\"; http_server_body; pcre:/two/; " - "content:\"three\"; distance:10; http_server_body; content:\"four\"; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx; - DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; - DetectContentData *hsbd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectContentData *hsbd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (pd1->flags != 0 || - cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 || - hsbd1->flags != DETECT_CONTENT_RELATIVE_NEXT || - memcmp(hsbd1->content, "one", hsbd1->content_len) != 0 || - hsbd2->flags != DETECT_CONTENT_DISTANCE || - memcmp(hsbd2->content, "three", hsbd1->content_len) != 0) { - goto end; - } - - if (!DETECT_CONTENT_IS_SINGLE(cd2) || - DETECT_CONTENT_IS_SINGLE(hsbd1) || - DETECT_CONTENT_IS_SINGLE(hsbd2)) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest24(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 icmp any any -> any any " - "(content:\"one\"; http_server_body; pcre:/two/; " - "content:\"three\"; distance:10; within:15; http_server_body; content:\"four\"; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx; - DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; - DetectContentData *hsbd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectContentData *hsbd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (pd1->flags != 0 || - cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 || - hsbd1->flags != DETECT_CONTENT_RELATIVE_NEXT || - memcmp(hsbd1->content, "one", hsbd1->content_len) != 0 || - hsbd2->flags != (DETECT_CONTENT_DISTANCE | DETECT_CONTENT_WITHIN) || - memcmp(hsbd2->content, "three", hsbd1->content_len) != 0) { - goto end; - } - - if (!DETECT_CONTENT_IS_SINGLE(cd2) || - DETECT_CONTENT_IS_SINGLE(hsbd1) || - DETECT_CONTENT_IS_SINGLE(hsbd2)) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest25(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 icmp any any -> any any " - "(content:\"one\"; http_server_body; pcre:/two/; " - "content:\"three\"; distance:10; http_server_body; " - "content:\"four\"; distance:10; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx; - DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; - DetectContentData *hsbd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectContentData *hsbd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (pd1->flags != DETECT_PCRE_RELATIVE_NEXT || - cd2->flags != DETECT_CONTENT_DISTANCE || - memcmp(cd2->content, "four", cd2->content_len) != 0 || - hsbd1->flags != DETECT_CONTENT_RELATIVE_NEXT || - memcmp(hsbd1->content, "one", hsbd1->content_len) != 0 || - hsbd2->flags != DETECT_CONTENT_DISTANCE || - memcmp(hsbd2->content, "three", hsbd1->content_len) != 0) { - goto end; - } - - if (DETECT_CONTENT_IS_SINGLE(cd2) || - DETECT_CONTENT_IS_SINGLE(hsbd1) || - DETECT_CONTENT_IS_SINGLE(hsbd2)) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest26(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 icmp any any -> any any " - "(content:\"one\"; offset:10; http_server_body; pcre:/two/; " - "content:\"three\"; distance:10; http_server_body; within:10; " - "content:\"four\"; distance:10; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx; - DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; - DetectContentData *hsbd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectContentData *hsbd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) || - cd2->flags != DETECT_CONTENT_DISTANCE || - memcmp(cd2->content, "four", cd2->content_len) != 0 || - hsbd1->flags != (DETECT_CONTENT_RELATIVE_NEXT | DETECT_CONTENT_OFFSET) || - memcmp(hsbd1->content, "one", hsbd1->content_len) != 0 || - hsbd2->flags != (DETECT_CONTENT_DISTANCE | DETECT_CONTENT_WITHIN) || - memcmp(hsbd2->content, "three", hsbd1->content_len) != 0) { - goto end; - } - - if (DETECT_CONTENT_IS_SINGLE(cd2) || - DETECT_CONTENT_IS_SINGLE(hsbd1) || - DETECT_CONTENT_IS_SINGLE(hsbd2)) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -/** \test invalid combination for content: distance, depth, http_server_body */ -int DetectHttpServerBodyTest27(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 icmp any any -> any any " - "(content:\"one\"; offset:10; http_server_body; pcre:/two/; distance:10; " - "content:\"three\"; distance:10; http_server_body; depth:10; " - "content:\"four\"; distance:10; sid:1;)"); - if (de_ctx->sig_list != NULL) { - printf("de_ctx->sig_list != NULL: "); - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest28(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 icmp any any -> any any " - "(content:\"one\"; http_server_body; pcre:/two/; " - "content:\"three\"; http_server_body; depth:10; " - "content:\"four\"; distance:10; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx; - DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; - DetectContentData *hsbd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectContentData *hsbd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) || - cd2->flags != DETECT_CONTENT_DISTANCE || - memcmp(cd2->content, "four", cd2->content_len) != 0 || - hsbd1->flags != 0 || - memcmp(hsbd1->content, "one", hsbd1->content_len) != 0 || - hsbd2->flags != DETECT_CONTENT_DEPTH || - memcmp(hsbd2->content, "three", hsbd1->content_len) != 0) { - goto end; - } - - if (DETECT_CONTENT_IS_SINGLE(cd2) || - !DETECT_CONTENT_IS_SINGLE(hsbd1) || - DETECT_CONTENT_IS_SINGLE(hsbd2)) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest29(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 icmp any any -> any any " - "(content:\"one\"; http_server_body; " - "content:\"two\"; distance:0; http_server_body; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - DetectContentData *hsbd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectContentData *hsbd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (hsbd1->flags != DETECT_CONTENT_RELATIVE_NEXT || - memcmp(hsbd1->content, "one", hsbd1->content_len) != 0 || - hsbd2->flags != DETECT_CONTENT_DISTANCE || - memcmp(hsbd2->content, "two", hsbd1->content_len) != 0) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest30(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 icmp any any -> any any " - "(content:\"one\"; http_server_body; " - "content:\"two\"; within:5; http_server_body; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - DetectContentData *hsbd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectContentData *hsbd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (hsbd1->flags != DETECT_CONTENT_RELATIVE_NEXT || - memcmp(hsbd1->content, "one", hsbd1->content_len) != 0 || - hsbd2->flags != DETECT_CONTENT_WITHIN || - memcmp(hsbd2->content, "two", hsbd1->content_len) != 0) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest31(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 icmp any any -> any any " - "(content:\"one\"; within:5; http_server_body; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest32(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 icmp any any -> any any " - "(content:\"one\"; http_server_body; within:5; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest33(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 icmp any any -> any any " - "(content:\"one\"; within:5; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest34(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 icmp any any -> any any " - "(pcre:/one/Q; " - "content:\"two\"; within:5; http_server_body; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA] == NULL || - de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->type != DETECT_CONTENT || - de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev == NULL || - de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->type != DETECT_PCRE) { - - goto end; - } - - DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectContentData *hsbd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) || - hsbd2->flags != DETECT_CONTENT_WITHIN || - memcmp(hsbd2->content, "two", hsbd2->content_len) != 0) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest35(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 icmp any any -> any any " - "(content:\"two\"; http_server_body; " - "pcre:/one/QR; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA] == NULL || - de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->type != DETECT_PCRE || - de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev == NULL || - de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->type != DETECT_CONTENT) { - - goto end; - } - - DetectContentData *hsbd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectPcreData *pd2 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (pd2->flags != (DETECT_PCRE_RELATIVE) || - hsbd1->flags != DETECT_CONTENT_RELATIVE_NEXT || - memcmp(hsbd1->content, "two", hsbd1->content_len) != 0) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -int DetectHttpServerBodyTest36(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 icmp any any -> any any " - "(pcre:/one/Q; " - "content:\"two\"; distance:5; http_server_body; sid:1;)"); - if (de_ctx->sig_list == NULL) { - printf("de_ctx->sig_list == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL) { - printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_FILEDATA] == NULL\n"); - goto end; - } - - if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA] == NULL || - de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->type != DETECT_CONTENT || - de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev == NULL || - de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->type != DETECT_PCRE) { - - goto end; - } - - DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->prev->ctx; - DetectContentData *hsbd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx; - if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) || - hsbd2->flags != DETECT_CONTENT_DISTANCE || - memcmp(hsbd2->content, "two", hsbd2->content_len) != 0) { - goto end; - } - - result = 1; - - end: - SigCleanSignatures(de_ctx); - DetectEngineCtxFree(de_ctx); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. - */ -static int DetectHttpServerBodyFileDataTest01(void) -{ - TcpSession ssn; - Packet *p = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len = sizeof(http_buf) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 7\r\n" - "\r\n" - "message"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - int result = 0; - 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); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http server body test\"; " - "file_data; content:\"message\"; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START|STREAM_EOF, http_buf, http_len); - 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|STREAM_START|STREAM_EOF, http_buf2, http_len2); - if (r != 0) { - printf("toserver 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: \n"); - 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; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. - */ -static int DetectHttpServerBodyFileDataTest02(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n" - "message"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "message"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http server body test\"; " - "file_data; content:\"message\"; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START|STREAM_EOF, http_buf1, http_len1); - 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|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 2 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: "); - goto end; - } - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if (PacketAlertCheck(p1, 1)) { - printf("sid 1 matched on p1 but should have: "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - if (r != 0) { - printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - if (!(PacketAlertCheck(p2, 1))) { - printf("sid 1 didn't match on p2 but should have: "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. - */ -static int DetectHttpServerBodyFileDataTest03(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n" - "bigmes"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "sage4u!!"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http client body test\"; " - "file_data; content:\"message\"; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START, http_buf1, http_len1); - if (r != 0) { - printf("toserver 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; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if ((PacketAlertCheck(p1, 1))) { - printf("sid 1 matched but shouldn't have: "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - - if (!(PacketAlertCheck(p2, 1))) { - printf("sid 1 didn't match but should have: "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. - */ -static int DetectHttpServerBodyFileDataTest04(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n" - "bigmes"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "sag"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - uint8_t http_buf4[] = - "e4u!!"; - uint32_t http_len4 = sizeof(http_buf4) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http client body test\"; " - "file_data; content:\"message\"; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START, http_buf1, http_len1); - if (r != 0) { - printf("toserver 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; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if ((PacketAlertCheck(p1, 1))) { - printf("sid 1 matched but shouldn't have: "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - 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|STREAM_EOF, http_buf4, http_len4); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - - if (!(PacketAlertCheck(p2, 1))) { - printf("sid 1 didn't match but should have: "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. Case insensitve. - */ -static int DetectHttpServerBodyFileDataTest05(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n" - "bigmes"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "sag"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - uint8_t http_buf4[] = - "e4u!!"; - uint32_t http_len4 = sizeof(http_buf4) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http client body test\"; " - "file_data; content:\"MeSSaGE\"; nocase; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START, http_buf1, http_len1); - if (r != 0) { - printf("toserver 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; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if ((PacketAlertCheck(p1, 1))) { - printf("sid 1 matched but shouldn't have: "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - 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|STREAM_EOF, http_buf4, http_len4); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - - if (!(PacketAlertCheck(p2, 1))) { - printf("sid 1 didn't match but should have: "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. Negated match. - */ -static int DetectHttpServerBodyFileDataTest06(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "bigmessage4u!!"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http file_data test\"; " - "file_data; content:!\"MaSSaGE\"; nocase; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START, http_buf1, http_len1); - if (r != 0) { - printf("toserver 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; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if (PacketAlertCheck(p1, 1)) { - printf("sid 1 matched but shouldn't have (p1): "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - - if (!(PacketAlertCheck(p2, 1))) { - printf("sid 1 didn't match but should have (p2): "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -/** - *\test Test that the http_server_body content matches against a http request - * which holds the content. Negated match. - */ -static int DetectHttpServerBodyFileDataTest07(void) -{ - TcpSession ssn; - Packet *p1 = NULL; - Packet *p2 = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf1[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len1 = sizeof(http_buf1) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 14\r\n" - "\r\n"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - uint8_t http_buf3[] = - "bigmessage4u!!"; - uint32_t http_len3 = sizeof(http_buf3) - 1; - int result = 0; - AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc(); - - memset(&th_v, 0, sizeof(th_v)); - memset(&f, 0, sizeof(f)); - memset(&ssn, 0, sizeof(ssn)); - - p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP); - - FLOW_INITIALIZE(&f); - f.protoctx = (void *)&ssn; - f.proto = IPPROTO_TCP; - f.flags |= FLOW_IPV4; - - p1->flow = &f; - p1->flowflags |= FLOW_PKT_TOCLIENT; - p1->flowflags |= FLOW_PKT_ESTABLISHED; - p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - p2->flow = &f; - p2->flowflags |= FLOW_PKT_TOCLIENT; - p2->flowflags |= FLOW_PKT_ESTABLISHED; - p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; - f.alproto = ALPROTO_HTTP; - - StreamTcpInitConfig(TRUE); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http file_data test\"; " - "file_data; content:!\"MeSSaGE\"; nocase; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START, http_buf1, http_len1); - if (r != 0) { - printf("toserver 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; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_START, http_buf2, http_len2); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); - - if (PacketAlertCheck(p1, 1)) { - printf("sid 1 matched but shouldn't have (p1): "); - goto end; - } - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, http_buf3, http_len3); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - result = 0; - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p2); - - if (PacketAlertCheck(p2, 1)) { - printf("sid 1 matched but shouldn't have (p2): "); - goto end; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p1, 1); - UTHFreePackets(&p2, 1); - return result; -} - -static int DetectHttpServerBodyFileDataTest08(void) -{ - TcpSession ssn; - Packet *p = NULL; - ThreadVars th_v; - DetectEngineCtx *de_ctx = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - HtpState *http_state = NULL; - Flow f; - uint8_t http_buf[] = - "GET /index.html HTTP/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n" - "\r\n"; - uint32_t http_len = sizeof(http_buf) - 1; - uint8_t http_buf2[] = - "HTTP/1.0 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 55\r\n" - "\r\n" - "longbufferabcdefghijklmnopqrstuvwxyz0123456789bufferend"; - uint32_t http_len2 = sizeof(http_buf2) - 1; - int result = 0; - 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); - - de_ctx = DetectEngineCtxInit(); - if (de_ctx == NULL) - goto end; - - de_ctx->flags |= DE_QUIET; - - de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any " - "(msg:\"http server body test\"; " - "file_data; content:\"longbufferabcdefghijklmnopqrstuvwxyz0123456789bufferend\"; " - "sid:1;)"); - if (de_ctx->sig_list == 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|STREAM_START|STREAM_EOF, http_buf, http_len); - 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|STREAM_START|STREAM_EOF, http_buf2, http_len2); - if (r != 0) { - printf("toserver 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: \n"); - 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; - } - - result = 1; -end: - if (alp_tctx != NULL) - AppLayerParserThreadCtxFree(alp_tctx); - if (de_ctx != NULL) - SigGroupCleanup(de_ctx); - if (de_ctx != NULL) - SigCleanSignatures(de_ctx); - if (de_ctx != NULL) - DetectEngineCtxFree(de_ctx); - - StreamTcpFreeConfig(TRUE); - FLOW_DESTROY(&f); - UTHFreePackets(&p, 1); - return result; -} - -/** \test multiple http transactions and body chunks of request handling */ -static int DetectHttpServerBodyFileDataTest09(void) -{ - int result = 0; - Signature *s = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - ThreadVars th_v; - Flow f; - TcpSession ssn; - Packet *p = NULL; - uint8_t httpbuf1[] = "GET /index1.html HTTP/1.1\r\n" - "User-Agent: Mozilla/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "Connection: keep-alive\r\n" - "Cookie: dummy1\r\n\r\n"; - uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */ - uint8_t httpbuf2[] = "HTTP/1.1 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 3\r\n" - "\r\n" - "one"; - uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */ - uint8_t httpbuf3[] = "GET /index2.html HTTP/1.1\r\n" - "User-Agent: Firefox/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "Connection: keep-alive\r\n" - "Cookie: dummy2\r\n\r\n"; - uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */ - uint8_t httpbuf4[] = "HTTP/1.1 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 3\r\n" - "\r\n" - "two"; - uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */ - 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 = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (flow:established,to_client; file_data; content:\"one\"; sid:1; rev:1;)"); - if (s == NULL) { - printf("sig parse failed: "); - goto end; - } - s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (flow:established,to_client; file_data; content:\"two\"; sid:2; rev:1;)"); - if (s == NULL) { - printf("sig2 parse failed: "); - 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|STREAM_START, httpbuf1, httplen1); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT, httpbuf2, httplen2); - if (r != 0) { - printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p); - if (!(PacketAlertCheck(p, 1))) { - printf("sig 1 didn't alert (tx 1): "); - goto end; - } - p->alerts.cnt = 0; - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf3, httplen3); - if (r != 0) { - printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, httpbuf4, httplen4); - if (r != 0) { - printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p); - if ((PacketAlertCheck(p, 1))) { - printf("sig 1 alerted (tx 2): "); - goto end; - } - if (!(PacketAlertCheck(p, 2))) { - printf("sig 2 didn't alert (tx 2): "); - goto end; - } - p->alerts.cnt = 0; - - HtpState *htp_state = f.alstate; - if (htp_state == NULL) { - printf("no http state: "); - goto end; - } - - if (AppLayerParserGetTxCnt(IPPROTO_TCP, ALPROTO_HTTP, htp_state) != 2) { - printf("The http app layer doesn't have 2 transactions, but it should: "); - 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); - FLOW_DESTROY(&f); - UTHFreePacket(p); - return result; -} - -static int DetectHttpServerBodyFileDataTest10(void) -{ - int result = 0; - Signature *s = NULL; - DetectEngineThreadCtx *det_ctx = NULL; - ThreadVars th_v; - Flow f; - TcpSession ssn; - Packet *p = NULL; - uint8_t httpbuf1[] = "GET /index1.html HTTP/1.1\r\n" - "User-Agent: Mozilla/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "Connection: keep-alive\r\n" - "Cookie: dummy1\r\n\r\n"; - uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */ - uint8_t httpbuf2[] = "HTTP/1.1 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 3\r\n" - "\r\n" - "one"; - uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */ - uint8_t httpbuf3[] = "GET /index2.html HTTP/1.1\r\n" - "User-Agent: Firefox/1.0\r\n" - "Host: www.openinfosecfoundation.org\r\n" - "Connection: keep-alive\r\n" - "Cookie: dummy2\r\n\r\n"; - uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */ - uint8_t httpbuf4[] = "HTTP/1.1 200 ok\r\n" - "Content-Type: text/html\r\n" - "Content-Length: 3\r\n" - "\r\n" - "two"; - uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */ - 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 = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (flow:established,to_client; file_data; content:\"one\"; sid:1; rev:1;)"); - if (s == NULL) { - printf("sig parse failed: "); - goto end; - } - s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (flow:established,to_client; file_data; content:\"two\"; sid:2; rev:1;)"); - if (s == NULL) { - printf("sig2 parse failed: "); - 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|STREAM_START, httpbuf1, httplen1); - if (r != 0) { - printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT, httpbuf2, httplen2); - if (r != 0) { - printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p); - if (!(PacketAlertCheck(p, 1))) { - printf("sig 1 didn't alert (tx 1): "); - goto end; - } - p->alerts.cnt = 0; - - SCMutexLock(&f.m); - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf3, httplen3); - if (r != 0) { - printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - - r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT|STREAM_EOF, httpbuf4, httplen4); - if (r != 0) { - printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r); - SCMutexUnlock(&f.m); - goto end; - } - SCMutexUnlock(&f.m); - - /* do detect */ - SigMatchSignatures(&th_v, de_ctx, det_ctx, p); - if ((PacketAlertCheck(p, 1))) { - printf("sig 1 alerted (tx 2): "); - goto end; - } - if (!(PacketAlertCheck(p, 2))) { - printf("sig 2 didn't alert (tx 2): "); - goto end; - } - p->alerts.cnt = 0; - - HtpState *htp_state = f.alstate; - if (htp_state == NULL) { - printf("no http state: "); - goto end; - } - - if (AppLayerParserGetTxCnt(IPPROTO_TCP, ALPROTO_HTTP, htp_state) != 2) { - printf("The http app layer doesn't have 2 transactions, but it should: "); - 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); - FLOW_DESTROY(&f); - UTHFreePacket(p); - return result; -} - -#endif /* UNITTESTS */ - -void DetectHttpServerBodyRegisterTests(void) -{ -#ifdef UNITTESTS - UtRegisterTest("DetectHttpServerBodyTest01", DetectHttpServerBodyTest01, 1); - UtRegisterTest("DetectHttpServerBodyTest02", DetectHttpServerBodyTest02, 1); - UtRegisterTest("DetectHttpServerBodyTest03", DetectHttpServerBodyTest03, 1); - UtRegisterTest("DetectHttpServerBodyTest04", DetectHttpServerBodyTest04, 1); - UtRegisterTest("DetectHttpServerBodyTest05", DetectHttpServerBodyTest05, 1); - UtRegisterTest("DetectHttpServerBodyTest06", DetectHttpServerBodyTest06, 1); - UtRegisterTest("DetectHttpServerBodyTest07", DetectHttpServerBodyTest07, 1); - UtRegisterTest("DetectHttpServerBodyTest08", DetectHttpServerBodyTest08, 1); - UtRegisterTest("DetectHttpServerBodyTest09", DetectHttpServerBodyTest09, 1); - UtRegisterTest("DetectHttpServerBodyTest10", DetectHttpServerBodyTest10, 1); - UtRegisterTest("DetectHttpServerBodyTest11", DetectHttpServerBodyTest11, 1); - UtRegisterTest("DetectHttpServerBodyTest12", DetectHttpServerBodyTest12, 1); - UtRegisterTest("DetectHttpServerBodyTest13", DetectHttpServerBodyTest13, 1); - UtRegisterTest("DetectHttpServerBodyTest14", DetectHttpServerBodyTest14, 1); - UtRegisterTest("DetectHttpServerBodyTest15", DetectHttpServerBodyTest15, 1); - UtRegisterTest("DetectHttpServerBodyTest22", DetectHttpServerBodyTest22, 1); - UtRegisterTest("DetectHttpServerBodyTest23", DetectHttpServerBodyTest23, 1); - UtRegisterTest("DetectHttpServerBodyTest24", DetectHttpServerBodyTest24, 1); - UtRegisterTest("DetectHttpServerBodyTest25", DetectHttpServerBodyTest25, 1); - UtRegisterTest("DetectHttpServerBodyTest26", DetectHttpServerBodyTest26, 1); - UtRegisterTest("DetectHttpServerBodyTest27", DetectHttpServerBodyTest27, 1); - UtRegisterTest("DetectHttpServerBodyTest28", DetectHttpServerBodyTest28, 1); - UtRegisterTest("DetectHttpServerBodyTest29", DetectHttpServerBodyTest29, 1); - UtRegisterTest("DetectHttpServerBodyTest30", DetectHttpServerBodyTest30, 1); - UtRegisterTest("DetectHttpServerBodyTest31", DetectHttpServerBodyTest31, 1); - UtRegisterTest("DetectHttpServerBodyTest32", DetectHttpServerBodyTest32, 1); - UtRegisterTest("DetectHttpServerBodyTest33", DetectHttpServerBodyTest33, 1); - UtRegisterTest("DetectHttpServerBodyTest34", DetectHttpServerBodyTest34, 1); - UtRegisterTest("DetectHttpServerBodyTest35", DetectHttpServerBodyTest35, 1); - UtRegisterTest("DetectHttpServerBodyTest36", DetectHttpServerBodyTest36, 1); - - UtRegisterTest("DetectHttpServerBodyFileDataTest01", DetectHttpServerBodyFileDataTest01, 1); - UtRegisterTest("DetectHttpServerBodyFileDataTest02", DetectHttpServerBodyFileDataTest02, 1); - UtRegisterTest("DetectHttpServerBodyFileDataTest03", DetectHttpServerBodyFileDataTest03, 1); - UtRegisterTest("DetectHttpServerBodyFileDataTest04", DetectHttpServerBodyFileDataTest04, 1); - UtRegisterTest("DetectHttpServerBodyFileDataTest05", DetectHttpServerBodyFileDataTest05, 1); - UtRegisterTest("DetectHttpServerBodyFileDataTest06", DetectHttpServerBodyFileDataTest06, 1); - UtRegisterTest("DetectHttpServerBodyFileDataTest07", DetectHttpServerBodyFileDataTest07, 1); - UtRegisterTest("DetectHttpServerBodyFileDataTest08", DetectHttpServerBodyFileDataTest08, 1); - UtRegisterTest("DetectHttpServerBodyFileDataTest09", DetectHttpServerBodyFileDataTest09, 1); - UtRegisterTest("DetectHttpServerBodyFileDataTest10", DetectHttpServerBodyFileDataTest10, 1); -#endif /* UNITTESTS */ - - return; -} -/** - * @} - */ |