diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
---|---|---|
committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
commit | 8879b125d26e8db1a5633de5a9c692eb2d1c4f83 (patch) | |
tree | c7259d85a991b83dfa85ab2e339360669fc1f58e /framework/src/suricata/src/detect-engine-hmd.c | |
parent | 13d05bc8458758ee39cb829098241e89616717ee (diff) |
suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a
Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f
Diffstat (limited to 'framework/src/suricata/src/detect-engine-hmd.c')
-rw-r--r-- | framework/src/suricata/src/detect-engine-hmd.c | 1827 |
1 files changed, 1827 insertions, 0 deletions
diff --git a/framework/src/suricata/src/detect-engine-hmd.c b/framework/src/suricata/src/detect-engine-hmd.c new file mode 100644 index 00000000..5a4b7d8a --- /dev/null +++ b/framework/src/suricata/src/detect-engine-hmd.c @@ -0,0 +1,1827 @@ +/* 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 <anoopsaldanha@gmail.com> + * + * \brief Handle HTTP method match + * + */ + +#include "suricata-common.h" +#include "suricata.h" +#include "decode.h" + +#include "detect.h" +#include "detect-engine.h" +#include "detect-engine-hmd.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 DetectEngineRunHttpMethodMpm(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_method == NULL) + goto end; + cnt = HttpMethodPatternSearch(det_ctx, + (uint8_t *)bstr_ptr(tx->request_method), + bstr_len(tx->request_method), + flags); + + end: + return cnt; +} + +/** + * \brief Do the http_method 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 DetectEngineInspectHttpMethod(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->request_method == NULL) { + if (AppLayerParserGetStateProgress(IPPROTO_TCP, ALPROTO_HTTP, tx, flags) > HTP_REQUEST_LINE) + return DETECT_ENGINE_INSPECT_SIG_CANT_MATCH; + else + return DETECT_ENGINE_INSPECT_SIG_NO_MATCH; + } + + 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_HMDMATCH], + f, + (uint8_t *)bstr_ptr(tx->request_method), + bstr_len(tx->request_method), + 0, + DETECT_ENGINE_CONTENT_INSPECTION_MODE_HMD, NULL); + if (r == 1) + return DETECT_ENGINE_INSPECT_SIG_MATCH; + else + return DETECT_ENGINE_INSPECT_SIG_CANT_MATCH; +} + +/***********************************Unittests**********************************/ + +#ifdef UNITTESTS + +/** + * \test Test that the http_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest01(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\"; " + "content:\"GET\"; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest02(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[] = + "CONNECT /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\"; " + "content:\"CO\"; depth:4; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest03(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[] = + "CONNECT /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\"; " + "content:!\"ECT\"; depth:4; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest04(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[] = + "CONNECT /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\"; " + "content:\"ECT\"; depth:4; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest05(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[] = + "CONNECT /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\"; " + "content:!\"CON\"; depth:4; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest06(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[] = + "CONNECT /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\"; " + "content:\"ECT\"; offset:3; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest07(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[] = + "CONNECT /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\"; " + "content:!\"CO\"; offset:3; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest08(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[] = + "CONNECT /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\"; " + "content:!\"ECT\"; offset:3; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest09(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[] = + "CONNECT /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\"; " + "content:\"CON\"; offset:3; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest10(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[] = + "CONNECT /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\"; " + "content:\"CO\"; http_method; " + "content:\"EC\"; within:4; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest11(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[] = + "CONNECT /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\"; " + "content:\"CO\"; http_method; " + "content:!\"EC\"; within:3; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest12(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[] = + "CONNECT /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\"; " + "content:\"CO\"; http_method; " + "content:\"EC\"; within:3; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest13(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[] = + "CONNECT /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\"; " + "content:\"CO\"; http_method; " + "content:!\"EC\"; within:4; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest14(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[] = + "CONNECT /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\"; " + "content:\"CO\"; http_method; " + "content:\"EC\"; distance:2; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest15(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[] = + "CONNECT /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\"; " + "content:\"CO\"; http_method; " + "content:!\"EC\"; distance:3; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest16(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[] = + "CONNECT /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\"; " + "content:\"CO\"; http_method; " + "content:\"EC\"; distance:3; http_method; " + "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_method content matches against a http request + * which holds the content. + */ +static int DetectEngineHttpMethodTest17(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[] = + "CONNECT /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\"; " + "content:\"CO\"; http_method; " + "content:!\"EC\"; distance:2; http_method; " + "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; +} + +#endif /* UNITTESTS */ + +void DetectEngineHttpMethodRegisterTests(void) +{ + +#ifdef UNITTESTS + UtRegisterTest("DetectEngineHttpMethodTest01", + DetectEngineHttpMethodTest01, 1); + UtRegisterTest("DetectEngineHttpMethodTest02", + DetectEngineHttpMethodTest02, 1); + UtRegisterTest("DetectEngineHttpMethodTest03", + DetectEngineHttpMethodTest03, 1); + UtRegisterTest("DetectEngineHttpMethodTest04", + DetectEngineHttpMethodTest04, 1); + UtRegisterTest("DetectEngineHttpMethodTest05", + DetectEngineHttpMethodTest05, 1); + UtRegisterTest("DetectEngineHttpMethodTest06", + DetectEngineHttpMethodTest06, 1); + UtRegisterTest("DetectEngineHttpMethodTest07", + DetectEngineHttpMethodTest07, 1); + UtRegisterTest("DetectEngineHttpMethodTest08", + DetectEngineHttpMethodTest08, 1); + UtRegisterTest("DetectEngineHttpMethodTest09", + DetectEngineHttpMethodTest09, 1); + UtRegisterTest("DetectEngineHttpMethodTest10", + DetectEngineHttpMethodTest10, 1); + UtRegisterTest("DetectEngineHttpMethodTest11", + DetectEngineHttpMethodTest11, 1); + UtRegisterTest("DetectEngineHttpMethodTest12", + DetectEngineHttpMethodTest12, 1); + UtRegisterTest("DetectEngineHttpMethodTest13", + DetectEngineHttpMethodTest13, 1); + UtRegisterTest("DetectEngineHttpMethodTest14", + DetectEngineHttpMethodTest14, 1); + UtRegisterTest("DetectEngineHttpMethodTest15", + DetectEngineHttpMethodTest15, 1); + UtRegisterTest("DetectEngineHttpMethodTest16", + DetectEngineHttpMethodTest16, 1); + UtRegisterTest("DetectEngineHttpMethodTest17", + DetectEngineHttpMethodTest17, 1); +#endif /* UNITTESTS */ + + return; +} +/** + * @} + */ |