/* Copyright (C) 2007-2010 Open Information Security Foundation * * You can copy, redistribute or modify this Program under the terms of * the GNU General Public License version 2 as published by the Free * Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * version 2 along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ /** * \ingroup httplayer * * @{ */ /** \file * * \author Anoop Saldanha * * \brief Handle HTTP raw header match. * */ #include "suricata-common.h" #include "suricata.h" #include "decode.h" #include "detect.h" #include "detect-engine.h" #include "detect-engine-hrhd.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" int DetectEngineRunHttpRawHeaderMpm(DetectEngineThreadCtx *det_ctx, Flow *f, HtpState *htp_state, uint8_t flags, void *txv, uint64_t idx) { SCEnter(); uint32_t cnt = 0; htp_tx_t *tx = (htp_tx_t *)txv; HtpTxUserData *tx_ud = htp_tx_get_user_data(tx); if (tx_ud == NULL) SCReturnInt(cnt); if (flags & STREAM_TOSERVER) { if (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP, txv, flags) <= HTP_REQUEST_HEADERS) SCReturnInt(cnt); if (tx_ud->request_headers_raw != NULL) { cnt = HttpRawHeaderPatternSearch(det_ctx, tx_ud->request_headers_raw, tx_ud->request_headers_raw_len, flags); } } else { if (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP, txv, flags) <= HTP_RESPONSE_HEADERS) SCReturnInt(cnt); if (tx_ud->response_headers_raw != NULL) { cnt += HttpRawHeaderPatternSearch(det_ctx, tx_ud->response_headers_raw, tx_ud->response_headers_raw_len, flags); } } SCReturnInt(cnt); } /** * \brief Do the http_raw_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 DetectEngineInspectHttpRawHeader(ThreadVars *tv, DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, Signature *s, Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id) { HtpTxUserData *tx_ud = NULL; uint8_t *headers_raw = NULL; uint32_t headers_raw_len = 0; if (flags & STREAM_TOSERVER) { if (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP, txv, flags) <= HTP_REQUEST_HEADERS) return DETECT_ENGINE_INSPECT_SIG_NO_MATCH; } else { if (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP, txv, flags) <= HTP_RESPONSE_HEADERS) return DETECT_ENGINE_INSPECT_SIG_NO_MATCH; } tx_ud = htp_tx_get_user_data(txv); if (tx_ud == NULL) goto end; if (flags & STREAM_TOSERVER) { headers_raw = tx_ud->request_headers_raw; headers_raw_len = tx_ud->request_headers_raw_len; } else { headers_raw = tx_ud->response_headers_raw; headers_raw_len = tx_ud->response_headers_raw_len; } if (headers_raw == NULL) goto end; 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_HRHDMATCH], f, headers_raw, headers_raw_len, 0, DETECT_ENGINE_CONTENT_INSPECTION_MODE_HRHD, NULL); if (r == 1) return DETECT_ENGINE_INSPECT_SIG_MATCH; end: if (flags & STREAM_TOSERVER) { if (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP, txv, flags) > HTP_REQUEST_HEADERS) return DETECT_ENGINE_INSPECT_SIG_CANT_MATCH; } else { if (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP, txv, flags) > HTP_RESPONSE_HEADERS) return DETECT_ENGINE_INSPECT_SIG_CANT_MATCH; } return DETECT_ENGINE_INSPECT_SIG_NO_MATCH; } /***********************************Unittests**********************************/ #ifdef UNITTESTS /** *\test Test that the http_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest01(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.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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest02(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.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 header test\"; flow:to_server; " "content:\"one\"; depth:15; http_raw_header; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest03(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.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 header test\"; flow:to_server; " "content:!\"one\"; depth:5; http_raw_header; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest04(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.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 header test\"; flow:to_server; " "content:\"one\"; depth:5; http_raw_header; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest05(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.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 header test\"; flow:to_server; " "content:!\"one\"; depth:15; http_raw_header; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest06(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.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 header test\"; flow:to_server; " "content:\"one\"; offset:10; http_raw_header; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest07(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.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 header test\"; flow:to_server; " "content:!\"one\"; offset:15; http_raw_header; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest08(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.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 header test\"; flow:to_server; " "content:\"one\"; offset:15; http_raw_header; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest09(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.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 header test\"; flow:to_server; " "content:!\"one\"; offset:10; http_raw_header; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest10(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.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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; content:\"three\"; http_raw_header; within:10; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest11(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.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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; content:!\"three\"; http_raw_header; within:5; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest12(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.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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; content:!\"three\"; http_raw_header; within:10; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest13(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.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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; content:\"three\"; http_raw_header; within:5; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest14(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.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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; content:\"five\"; http_raw_header; distance:7; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest15(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.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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; content:!\"five\"; http_raw_header; distance:15; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest16(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.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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; content:!\"five\"; http_raw_header; distance:7; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest17(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.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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; content:\"five\"; http_raw_header; distance:15; " "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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest18(void) { TcpSession ssn; Packet *p = NULL; ThreadVars th_v; DetectEngineCtx *de_ctx = NULL; DetectEngineThreadCtx *det_ctx = NULL; Flow f; uint8_t http_buf[] = "Host: www.onetwothreefourfivesixsevenfive.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 1; int result = 0; 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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; content:\"five\"; http_raw_header; " "sid:1;)"); if (de_ctx->sig_list == NULL) goto end; SigGroupBuild(de_ctx); DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx); /* start the search phase */ det_ctx->sgh = SigMatchSignaturesGetSgh(de_ctx, det_ctx, p); uint32_t r = HttpRawHeaderPatternSearch(det_ctx, http_buf, http_len, STREAM_TOSERVER); if (r != 2) { printf("expected result 2, got %"PRIu32": ", r); goto end; } result = 1; end: 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_header content matches against a http request * which holds the content. */ static int DetectEngineHttpRawHeaderTest19(void) { TcpSession ssn; Packet *p = NULL; ThreadVars th_v; DetectEngineCtx *de_ctx = NULL; DetectEngineThreadCtx *det_ctx = NULL; Flow f; uint8_t http_buf[] = "Host: www.onetwothreefourfivesixsevenfive.org\r\n\r\n"; uint32_t http_len = sizeof(http_buf) - 1; int result = 0; 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 header test\"; flow:to_server; " "content:\"one\"; http_raw_header; fast_pattern; content:\"five\"; http_raw_header; " "sid:1;)"); if (de_ctx->sig_list == NULL) goto end; SigGroupBuild(de_ctx); DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx); /* start the search phase */ det_ctx->sgh = SigMatchSignaturesGetSgh(de_ctx, det_ctx, p); uint32_t r = HttpRawHeaderPatternSearch(det_ctx, http_buf, http_len, STREAM_TOSERVER); if (r != 1) { printf("expected result 1, got %"PRIu32": ", r); goto end; } result = 1; end: 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 DetectEngineHttpRawHeaderTest20(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 http1_buf[] = "GET /index.html HTTP/1.0\r\n" "Host: This_is_dummy_body1"; uint8_t http2_buf[] = "This_is_dummy_message_body2\r\n" "\r\n"; uint32_t http1_len = sizeof(http1_buf) - 1; uint32_t http2_len = sizeof(http2_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)); 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_TOSERVER; p1->flowflags |= FLOW_PKT_ESTABLISHED; p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; p2->flow = &f; p2->flowflags |= FLOW_PKT_TOSERVER; 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\"; flow:to_server; " "pcre:/body1/D; " "content:!\"dummy\"; http_raw_header; within:7; " "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, http1_buf, http1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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 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(&p1, 1); UTHFreePackets(&p2, 1); return result; } static int DetectEngineHttpRawHeaderTest21(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 http1_buf[] = "GET /index.html HTTP/1.0\r\n" "Host: This_is_dummy_body1"; uint8_t http2_buf[] = "This_is_dummy_message_body2\r\n" "\r\n"; uint32_t http1_len = sizeof(http1_buf) - 1; uint32_t http2_len = sizeof(http2_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)); 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_TOSERVER; p1->flowflags |= FLOW_PKT_ESTABLISHED; p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; p2->flow = &f; p2->flowflags |= FLOW_PKT_TOSERVER; 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\"; flow:to_server; " "pcre:/body1/D; " "content:!\"dummy\"; within:7; http_raw_header; " "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, http1_buf, http1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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 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(&p1, 1); UTHFreePackets(&p2, 1); return result; } static int DetectEngineHttpRawHeaderTest22(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 http1_buf[] = "GET /index.html HTTP/1.0\r\n" "Host: This_is_dummy_body1"; uint8_t http2_buf[] = "This_is_dummy_message_body2\r\n" "\r\n"; uint32_t http1_len = sizeof(http1_buf) - 1; uint32_t http2_len = sizeof(http2_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)); 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_TOSERVER; p1->flowflags |= FLOW_PKT_ESTABLISHED; p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; p2->flow = &f; p2->flowflags |= FLOW_PKT_TOSERVER; 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\"; flow:to_server; " "pcre:/body1/D; " "content:!\"dummy\"; distance:3; http_raw_header; " "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, http1_buf, http1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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"); 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 DetectEngineHttpRawHeaderTest23(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 http1_buf[] = "GET /index.html HTTP/1.0\r\n" "Host: This_is_dummy_body1"; uint8_t http2_buf[] = "This_is_dummy_message_body2\r\n" "\r\n"; uint32_t http1_len = sizeof(http1_buf) - 1; uint32_t http2_len = sizeof(http2_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)); 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_TOSERVER; p1->flowflags |= FLOW_PKT_ESTABLISHED; p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; p2->flow = &f; p2->flowflags |= FLOW_PKT_TOSERVER; 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\"; flow:to_server; " "pcre:/body1/D; " "content:!\"dummy\"; distance:13; http_raw_header; " "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, http1_buf, http1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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; } static int DetectEngineHttpRawHeaderTest24(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 http1_buf[] = "GET /index.html HTTP/1.0\r\n" "Host: This_is_dummy_body1"; uint8_t http2_buf[] = "This_is_dummy_message_body2\r\n" "\r\n"; uint32_t http1_len = sizeof(http1_buf) - 1; uint32_t http2_len = sizeof(http2_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)); 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_TOSERVER; p1->flowflags |= FLOW_PKT_ESTABLISHED; p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; p2->flow = &f; p2->flowflags |= FLOW_PKT_TOSERVER; 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\"; flow:to_server; " "pcre:/body1/D; " "content:\"dummy\"; within:15; http_raw_header; " "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, http1_buf, http1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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; } static int DetectEngineHttpRawHeaderTest25(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 http1_buf[] = "GET /index.html HTTP/1.0\r\n" "Host: This_is_dummy_body1"; uint8_t http2_buf[] = "This_is_dummy_message_body2\r\n" "\r\n"; uint32_t http1_len = sizeof(http1_buf) - 1; uint32_t http2_len = sizeof(http2_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)); 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_TOSERVER; p1->flowflags |= FLOW_PKT_ESTABLISHED; p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; p2->flow = &f; p2->flowflags |= FLOW_PKT_TOSERVER; 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\"; flow:to_server; " "pcre:/body1/D; " "content:\"dummy\"; within:10; http_raw_header; " "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, http1_buf, http1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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"); 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 DetectEngineHttpRawHeaderTest26(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 http1_buf[] = "GET /index.html HTTP/1.0\r\n" "Host: This_is_dummy_body1"; uint8_t http2_buf[] = "This_is_dummy_message_body2\r\n" "\r\n"; uint32_t http1_len = sizeof(http1_buf) - 1; uint32_t http2_len = sizeof(http2_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)); 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_TOSERVER; p1->flowflags |= FLOW_PKT_ESTABLISHED; p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; p2->flow = &f; p2->flowflags |= FLOW_PKT_TOSERVER; 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\"; flow:to_server; " "pcre:/body1/D; " "content:\"dummy\"; distance:8; http_raw_header; " "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, http1_buf, http1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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 (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 DetectEngineHttpRawHeaderTest27(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 http1_buf[] = "GET /index.html HTTP/1.0\r\n" "Host: This_is_dummy_body1"; uint8_t http2_buf[] = "This_is_dummy_message_body2\r\n" "\r\n"; uint32_t http1_len = sizeof(http1_buf) - 1; uint32_t http2_len = sizeof(http2_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)); 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_TOSERVER; p1->flowflags |= FLOW_PKT_ESTABLISHED; p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; p2->flow = &f; p2->flowflags |= FLOW_PKT_TOSERVER; 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\"; flow:to_server; " "pcre:/body1/D; " "content:\"dummy\"; distance:14; http_raw_header; " "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, http1_buf, http1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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"); 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 DetectEngineHttpRawHeaderTest28(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_buf1_len = sizeof(http_buf1) - 1; uint8_t http_buf2[] = "HTTP/1.0 200 ok\r\n" "Content-Type: text/html\r\n" "Content-Length: 6\r\n" "\r\n" "abcdef"; uint32_t http_buf2_len = 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)); 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_TOSERVER; 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 header test\"; flow:to_client; " "content:\"Content-Length: 6\"; http_raw_header; " "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_buf1, http_buf1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_buf2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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; } static int DetectEngineHttpRawHeaderTest29(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_buf1_len = sizeof(http_buf1) - 1; uint8_t http_buf2[] = "HTTP/1.0 200 ok\r\n" "Content-Type: text/html\r\n" "Content-Length: 6\r\n" "\r\n" "abcdef"; uint32_t http_buf2_len = 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)); 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_TOSERVER; 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 header test\"; flow:to_client; " "content:\"Content-Length: 7\"; http_raw_header; " "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_buf1, http_buf1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_buf2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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"); 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; } #if 0 static int DetectEngineHttpRawHeaderTest30(void) { int result = 0; DetectEngineCtx *de_ctx = DetectEngineCtxInit(); if (de_ctx == NULL) { goto end; } de_ctx->sig_list = SigInit(de_ctx, "alert http any any -> any any " "(msg:\"http header test\"; " "content:\"Content-Length: 6\"; http_raw_header; " "content:\"User-Agent: Mozilla\"; http_raw_header; " "sid:1;)"); if (de_ctx->sig_list != NULL) { goto end; } result = 1; end: if (de_ctx != NULL) SigCleanSignatures(de_ctx); if (de_ctx != NULL) DetectEngineCtxFree(de_ctx); return result; } #endif /* #if 0 */ /** * \test Trailing headers. */ static int DetectEngineHttpRawHeaderTest31(void) { TcpSession ssn; Packet *p1 = NULL; ThreadVars th_v; DetectEngineCtx *de_ctx = NULL; DetectEngineThreadCtx *det_ctx = NULL; HtpState *http_state = NULL; Flow f; uint8_t http1_buf[] = "GET /index.html HTTP/1.0\r\n" "host: boom\r\n" "Transfer-Encoding: chunked\r\n" "\r\n" "13\r\n" "This is dummy body1\r\n" "0\r\n" "Dummy-Header: kaboom\r\n" "\r\n"; uint32_t http1_len = sizeof(http1_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)); p1 = 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_TOSERVER; p1->flowflags |= FLOW_PKT_ESTABLISHED; p1->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 " "(flow:to_server; " "content:\"Dummy\"; http_raw_header; " "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, http1_buf, http1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (!(PacketAlertCheck(p1, 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); return result; } /** * \test Trailing headers. */ static int DetectEngineHttpRawHeaderTest32(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 http1_buf[] = "GET /index.html HTTP/1.0\r\n" "host: boom\r\n" "Transfer-Encoding: chunked\r\n" "\r\n" "13\r\n" "This is dummy body1\r\n" "0\r\n"; uint8_t http2_buf[] = "Dummy-Header: kaboom\r\n" "\r\n"; uint32_t http1_len = sizeof(http1_buf) - 1; uint32_t http2_len = sizeof(http2_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)); 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_TOSERVER; p1->flowflags |= FLOW_PKT_ESTABLISHED; p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST; p2->flow = &f; p2->flowflags |= FLOW_PKT_TOSERVER; 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 " "(flow:to_server; " "content:\"Dummy\"; http_raw_header; " "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, http1_buf, http1_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: \n"); result = 0; goto end; } /* do detect */ SigMatchSignatures(&th_v, de_ctx, det_ctx, p1); if (PacketAlertCheck(p1, 1)) { printf("sid 1 matched but shouldn't have\n"); goto end; } SCMutexLock(&f.m); r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len); if (r != 0) { printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", 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\n"); 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; } #endif /* UNITTESTS */ void DetectEngineHttpRawHeaderRegisterTests(void) { #ifdef UNITTESTS UtRegisterTest("DetectEngineHttpRawHeaderTest01", DetectEngineHttpRawHeaderTest01, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest02", DetectEngineHttpRawHeaderTest02, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest03", DetectEngineHttpRawHeaderTest03, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest04", DetectEngineHttpRawHeaderTest04, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest05", DetectEngineHttpRawHeaderTest05, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest06", DetectEngineHttpRawHeaderTest06, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest07", DetectEngineHttpRawHeaderTest07, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest08", DetectEngineHttpRawHeaderTest08, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest09", DetectEngineHttpRawHeaderTest09, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest10", DetectEngineHttpRawHeaderTest10, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest11", DetectEngineHttpRawHeaderTest11, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest12", DetectEngineHttpRawHeaderTest12, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest13", DetectEngineHttpRawHeaderTest13, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest14", DetectEngineHttpRawHeaderTest14, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest15", DetectEngineHttpRawHeaderTest15, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest16", DetectEngineHttpRawHeaderTest16, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest17", DetectEngineHttpRawHeaderTest17, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest18", DetectEngineHttpRawHeaderTest18, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest19", DetectEngineHttpRawHeaderTest19, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest20", DetectEngineHttpRawHeaderTest20, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest21", DetectEngineHttpRawHeaderTest21, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest22", DetectEngineHttpRawHeaderTest22, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest23", DetectEngineHttpRawHeaderTest23, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest24", DetectEngineHttpRawHeaderTest24, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest25", DetectEngineHttpRawHeaderTest25, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest26", DetectEngineHttpRawHeaderTest26, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest27", DetectEngineHttpRawHeaderTest27, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest28", DetectEngineHttpRawHeaderTest28, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest29", DetectEngineHttpRawHeaderTest29, 1); #if 0 UtRegisterTest("DetectEngineHttpRawHeaderTest30", DetectEngineHttpRawHeaderTest30, 1); #endif UtRegisterTest("DetectEngineHttpRawHeaderTest31", DetectEngineHttpRawHeaderTest31, 1); UtRegisterTest("DetectEngineHttpRawHeaderTest32", DetectEngineHttpRawHeaderTest32, 1); #endif /* UNITTESTS */ return; } /** * @} */