/* Copyright (C) 2007-2013 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 * * \brief Handle HTTP host header. * HHHD - Http Host Header Data * */ #include "suricata-common.h" #include "suricata.h" #include "decode.h" #include "detect.h" #include "detect-engine.h" #include "detect-engine-mpm.h" #include "detect-parse.h" #include "detect-engine-state.h" #include "detect-engine-content-inspection.h" #include "flow-util.h" #include "util-debug.h" #include "util-print.h" #include "flow.h" #include "stream-tcp.h" #include "app-layer-parser.h" #include "util-unittest.h" #include "util-unittest-helper.h" #include "app-layer.h" #include "app-layer-htp.h" #include "app-layer-protos.h" #include "detect-engine-hhhd.h" int DetectEngineRunHttpHHMpm(DetectEngineThreadCtx *det_ctx, Flow *f, HtpState *htp_state, uint8_t flags, void *txv, uint64_t idx) { uint32_t cnt = 0; htp_tx_t *tx = (htp_tx_t *)txv; if (tx->request_hostname == NULL) goto end; uint8_t *hname = (uint8_t *)bstr_ptr(tx->request_hostname); if (hname == NULL) goto end; uint32_t hname_len = bstr_len(tx->request_hostname); cnt += HttpHHPatternSearch(det_ctx, hname, hname_len, flags); end: return cnt; } /** * \brief Do the http_header content inspection for a signature. * * \param de_ctx Detection engine context. * \param det_ctx Detection engine thread context. * \param s Signature to inspect. * \param f Flow. * \param flags App layer flags. * \param state App layer state. * * \retval 0 No match. * \retval 1 Match. */ int DetectEngineInspectHttpHH(ThreadVars *tv, DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, Signature *s, Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id) { htp_tx_t *tx = (htp_tx_t *)txv; if (tx->parsed_uri == NULL || tx->request_hostname == NULL) goto end; uint8_t *hname = (uint8_t *)bstr_ptr(tx->request_hostname); if (hname == NULL) goto end; uint32_t hname_len = bstr_len(tx->request_hostname); det_ctx->buffer_offset = 0; det_ctx->discontinue_matching = 0; det_ctx->inspection_recursion_counter = 0; int r = DetectEngineContentInspection(de_ctx, det_ctx, s, s->sm_lists[DETECT_SM_LIST_HHHDMATCH], f, hname, hname_len, 0, DETECT_ENGINE_CONTENT_INSPECTION_MODE_HHHD, NULL); if (r == 1) return DETECT_ENGINE_INSPECT_SIG_MATCH; end: if (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP, tx, flags) > HTP_REQUEST_HEADERS) return DETECT_ENGINE_INSPECT_SIG_CANT_MATCH; else return DETECT_ENGINE_INSPECT_SIG_NO_MATCH; } /***********************************Unittests**********************************/ #ifdef UNITTESTS /** * \test Test that the http_host content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest01(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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 host header test\"; " "content:\"connect\"; http_host; " "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, http_buf, http_len); 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; } /* 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_host content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest02(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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 host header test\"; " "content:\"co\"; depth:4; http_host; " "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, http_buf, http_len); 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; } /* 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_host content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest03(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:!\"ect\"; depth:4; http_host; " "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, http_buf, http_len); 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; } /* 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_host content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest04(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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 host header test\"; " "content:\"ect\"; depth:4; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but shouldn't 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_host content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest05(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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 host header test\"; " "content:!\"con\"; depth:4; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but shouldn't 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest06(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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 host header test\"; " "content:\"ect\"; offset:3; http_host; " "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, http_buf, http_len); 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; } /* 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_host content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest07(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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 host header test\"; " "content:!\"co\"; offset:3; http_host; " "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, http_buf, http_len); 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; } /* 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest08(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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 host header test\"; " "content:!\"ect\"; offset:3; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but shouldn't 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest09(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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 host header test\"; " "content:\"con\"; offset:3; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but shouldn't 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest10(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"co\"; http_host; " "content:\"ec\"; within:4; http_host; " "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, http_buf, http_len); 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; } /* 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest11(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"co\"; http_host; " "content:!\"ec\"; within:3; http_host; " "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, http_buf, http_len); 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; } /* 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest12(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"co\"; http_host; " "content:\"ec\"; within:3; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but shouldn't 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest13(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"co\"; http_host; " "content:!\"ec\"; within:4; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but shouldn't 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest14(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"co\"; http_host; " "content:\"ec\"; distance:2; http_host; " "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, http_buf, http_len); 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; } /* 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest15(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"co\"; http_host; " "content:!\"ec\"; distance:3; http_host; " "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, http_buf, http_len); 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; } /* 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest16(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"co\"; http_host; " "content:\"ec\"; distance:3; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but shouldn't 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_host header content matches against a http request * which holds the content. */ static int DetectEngineHttpHHTest17(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: CONNECT\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"co\"; http_host; " "content:!\"ec\"; distance:2; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but shouldn't 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; } static int DetectEngineHttpHHTest18(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.kaboom.com\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"kaboom\"; http_host; " "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, http_buf, http_len); 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; } /* 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; } static int DetectEngineHttpHHTest19(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.kaboom.com:8080\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"kaboom\"; http_host; " "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, http_buf, http_len); 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; } /* 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; } static int DetectEngineHttpHHTest20(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.kaboom.com:8080\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"8080\"; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but it shouldn't 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; } static int DetectEngineHttpHHTest21(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 http://www.kaboom.com/index.html HTTP/1.0\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"kaboom\"; http_host; " "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, http_buf, http_len); 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; } /* 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; } static int DetectEngineHttpHHTest22(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 http://www.kaboom.com:8080/index.html HTTP/1.0\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"kaboom\"; http_host; " "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, http_buf, http_len); 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; } /* 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; } static int DetectEngineHttpHHTest23(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 http://www.kaboom.com:8080/index.html HTTP/1.0\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"8080\"; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but it shouldn't 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; } static int DetectEngineHttpHHTest24(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 http://www.kaboom.com:8080/index.html HTTP/1.0\r\n" "Host: www.rabbit.com\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"kaboom\"; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (!PacketAlertCheck(p, 1)) { printf("sid 1 didn't match but it 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; } static int DetectEngineHttpHHTest25(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 http://www.kaboom.com:8080/index.html HTTP/1.0\r\n" "Host: www.rabbit.com\r\n" "User-Agent: www.onetwothreefourfivesixseven.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 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_TOSERVER; 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_host header test\"; " "content:\"rabbit\"; http_host; " "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, http_buf, http_len); 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; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p); if (PacketAlertCheck(p, 1)) { printf("sid 1 matched but it shouldn't 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; } #endif /* UNITTESTS */ void DetectEngineHttpHHRegisterTests(void) { #ifdef UNITTESTS UtRegisterTest("DetectEngineHttpHHTest01", DetectEngineHttpHHTest01, 1); UtRegisterTest("DetectEngineHttpHHTest02", DetectEngineHttpHHTest02, 1); UtRegisterTest("DetectEngineHttpHHTest03", DetectEngineHttpHHTest03, 1); UtRegisterTest("DetectEngineHttpHHTest04", DetectEngineHttpHHTest04, 1); UtRegisterTest("DetectEngineHttpHHTest05", DetectEngineHttpHHTest05, 1); UtRegisterTest("DetectEngineHttpHHTest06", DetectEngineHttpHHTest06, 1); UtRegisterTest("DetectEngineHttpHHTest07", DetectEngineHttpHHTest07, 1); UtRegisterTest("DetectEngineHttpHHTest08", DetectEngineHttpHHTest08, 1); UtRegisterTest("DetectEngineHttpHHTest09", DetectEngineHttpHHTest09, 1); UtRegisterTest("DetectEngineHttpHHTest10", DetectEngineHttpHHTest10, 1); UtRegisterTest("DetectEngineHttpHHTest11", DetectEngineHttpHHTest11, 1); UtRegisterTest("DetectEngineHttpHHTest12", DetectEngineHttpHHTest12, 1); UtRegisterTest("DetectEngineHttpHHTest13", DetectEngineHttpHHTest13, 1); UtRegisterTest("DetectEngineHttpHHTest14", DetectEngineHttpHHTest14, 1); UtRegisterTest("DetectEngineHttpHHTest15", DetectEngineHttpHHTest15, 1); UtRegisterTest("DetectEngineHttpHHTest16", DetectEngineHttpHHTest16, 1); UtRegisterTest("DetectEngineHttpHHTest17", DetectEngineHttpHHTest17, 1); UtRegisterTest("DetectEngineHttpHHTest18", DetectEngineHttpHHTest18, 1); UtRegisterTest("DetectEngineHttpHHTest19", DetectEngineHttpHHTest19, 1); UtRegisterTest("DetectEngineHttpHHTest20", DetectEngineHttpHHTest20, 1); UtRegisterTest("DetectEngineHttpHHTest21", DetectEngineHttpHHTest21, 1); UtRegisterTest("DetectEngineHttpHHTest22", DetectEngineHttpHHTest22, 1); UtRegisterTest("DetectEngineHttpHHTest23", DetectEngineHttpHHTest23, 1); UtRegisterTest("DetectEngineHttpHHTest24", DetectEngineHttpHHTest24, 1); UtRegisterTest("DetectEngineHttpHHTest25", DetectEngineHttpHHTest25, 1); #endif /* UNITTESTS */ return; } /** * @} */