const Signature *s, const SigMatchCtx *m);
static int DetectDceIfaceSetup(DetectEngineCtx *, Signature *, const char *);
static void DetectDceIfaceFree(DetectEngineCtx *, void *);
-#ifdef UNITTESTS
-static void DetectDceIfaceRegisterTests(void);
-#endif
static int g_dce_generic_list_id = 0;
/**
sigmatch_table[DETECT_DCE_IFACE].alias = "dce_iface";
sigmatch_table[DETECT_DCE_IFACE].AppLayerTxMatch = DetectDceIfaceMatchRust;
sigmatch_table[DETECT_DCE_IFACE].Setup = DetectDceIfaceSetup;
- sigmatch_table[DETECT_DCE_IFACE].Free = DetectDceIfaceFree;
-#ifdef UNITTESTS
- sigmatch_table[DETECT_DCE_IFACE].RegisterTests = DetectDceIfaceRegisterTests;
-#endif
+ sigmatch_table[DETECT_DCE_IFACE].Free = DetectDceIfaceFree;
DetectSetupParseRegexes(PARSE_REGEX, &parse_regex);
g_dce_generic_list_id = DetectBufferTypeRegister("dce_generic");
}
SCReturn;
}
-
-/************************************Unittests*********************************/
-
-#ifdef UNITTESTS
-
-/* Disabled because of bug_753. Would be enabled, once we rewrite
- * dce parser */
-#if 0
-
-/**
- * \test Test a valid dce_iface entry with a bind, bind_ack and 3 request/responses.
- */
-static int DetectDceIfaceTestParse13(void)
-{
- int result = 0;
- Signature *s = NULL;
- ThreadVars th_v;
- Packet *p = NULL;
- Flow f;
- TcpSession ssn;
- DetectEngineThreadCtx *det_ctx = NULL;
- DetectEngineCtx *de_ctx = NULL;
- DCERPCState *dcerpc_state = NULL;
- int r = 0;
-
- uint8_t dcerpc_bind[] = {
- 0x05, 0x00, 0x0b, 0x03, 0x10, 0x00, 0x00, 0x00,
- 0x48, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
- 0xb8, 0x10, 0xb8, 0x10, 0x00, 0x00, 0x00, 0x00,
- 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
- 0x01, 0xd0, 0x8c, 0x33, 0x44, 0x22, 0xf1, 0x31,
- 0xaa, 0xaa, 0x90, 0x00, 0x38, 0x00, 0x10, 0x03,
- 0x01, 0x00, 0x00, 0x00, 0x04, 0x5d, 0x88, 0x8a,
- 0xeb, 0x1c, 0xc9, 0x11, 0x9f, 0xe8, 0x08, 0x00,
- 0x2b, 0x10, 0x48, 0x60, 0x02, 0x00, 0x00, 0x00,
- };
-
- uint8_t dcerpc_bindack[] = {
- 0x05, 0x00, 0x0c, 0x03, 0x10, 0x00, 0x00, 0x00,
- 0x44, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
- 0xb8, 0x10, 0xb8, 0x10, 0x65, 0x8e, 0x00, 0x00,
- 0x0d, 0x00, 0x5c, 0x50, 0x49, 0x50, 0x45, 0x5c,
- 0x77, 0x69, 0x6e, 0x72, 0x65, 0x67, 0x00, 0x6d,
- 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x04, 0x5d, 0x88, 0x8a, 0xeb, 0x1c, 0xc9, 0x11,
- 0x9f, 0xe8, 0x08, 0x00, 0x2b, 0x10, 0x48, 0x60,
- 0x02, 0x00, 0x00, 0x00,
- };
-
- uint8_t dcerpc_request1[] = {
- 0x05, 0x00, 0x00, 0x03, 0x10, 0x00, 0x00, 0x00,
- 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
- 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
- 0x2c, 0xfd, 0xb5, 0x00, 0x40, 0xaa, 0x01, 0x00,
- 0x00, 0x00, 0x00, 0x02,
- };
-
- uint8_t dcerpc_response1[] = {
- 0x05, 0x00, 0x02, 0x03, 0x10, 0x00, 0x00, 0x00,
- 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
- 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0xf6, 0x72, 0x28, 0x9c,
- 0xf0, 0x57, 0xd8, 0x11, 0xb0, 0x05, 0x00, 0x0c,
- 0x29, 0x87, 0xea, 0xe9, 0x00, 0x00, 0x00, 0x00,
- };
-
- uint8_t dcerpc_request2[] = {
- 0x05, 0x00, 0x00, 0x03, 0x10, 0x00, 0x00, 0x00,
- 0xa4, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
- 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0xf6, 0x72, 0x28, 0x9c,
- 0xf0, 0x57, 0xd8, 0x11, 0xb0, 0x05, 0x00, 0x0c,
- 0x29, 0x87, 0xea, 0xe9, 0x5c, 0x00, 0x5c, 0x00,
- 0xa8, 0xb9, 0x14, 0x00, 0x2e, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x2e, 0x00, 0x00, 0x00,
- 0x53, 0x00, 0x4f, 0x00, 0x46, 0x00, 0x54, 0x00,
- 0x57, 0x00, 0x41, 0x00, 0x52, 0x00, 0x45, 0x00,
- 0x5c, 0x00, 0x4d, 0x00, 0x69, 0x00, 0x63, 0x00,
- 0x72, 0x00, 0x6f, 0x00, 0x73, 0x00, 0x6f, 0x00,
- 0x66, 0x00, 0x74, 0x00, 0x5c, 0x00, 0x57, 0x00,
- 0x69, 0x00, 0x6e, 0x00, 0x64, 0x00, 0x6f, 0x00,
- 0x77, 0x00, 0x73, 0x00, 0x5c, 0x00, 0x43, 0x00,
- 0x75, 0x00, 0x72, 0x00, 0x72, 0x00, 0x65, 0x00,
- 0x6e, 0x00, 0x74, 0x00, 0x56, 0x00, 0x65, 0x00,
- 0x72, 0x00, 0x73, 0x00, 0x69, 0x00, 0x6f, 0x00,
- 0x6e, 0x00, 0x5c, 0x00, 0x52, 0x00, 0x75, 0x00,
- 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x03, 0x00, 0x00, 0x00,
- };
-
- uint8_t dcerpc_response2[] = {
- 0x05, 0x00, 0x02, 0x03, 0x10, 0x00, 0x00, 0x00,
- 0x30, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
- 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0xf7, 0x72, 0x28, 0x9c,
- 0xf0, 0x57, 0xd8, 0x11, 0xb0, 0x05, 0x00, 0x0c,
- 0x29, 0x87, 0xea, 0xe9, 0x00, 0x00, 0x00, 0x00,
- };
-
- uint8_t dcerpc_request3[] = {
- 0x05, 0x00, 0x00, 0x03, 0x10, 0x00, 0x00, 0x00,
- 0x70, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
- 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0xf7, 0x72, 0x28, 0x9c,
- 0xf0, 0x57, 0xd8, 0x11, 0xb0, 0x05, 0x00, 0x0c,
- 0x29, 0x87, 0xea, 0xe9, 0x0c, 0x00, 0x0c, 0x00,
- 0x98, 0xda, 0x14, 0x00, 0x06, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00,
- 0x4f, 0x00, 0x73, 0x00, 0x61, 0x00, 0x33, 0x00,
- 0x32, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
- 0x18, 0x00, 0x00, 0x00, 0x4e, 0x00, 0x54, 0x00,
- 0x4f, 0x00, 0x53, 0x00, 0x41, 0x00, 0x33, 0x00,
- 0x32, 0x00, 0x2e, 0x00, 0x45, 0x00, 0x58, 0x00,
- 0x45, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
- };
-
- uint8_t dcerpc_response3[] = {
- 0x05, 0x00, 0x02, 0x03, 0x10, 0x00, 0x00, 0x00,
- 0x1c, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
- 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- };
-
- uint32_t dcerpc_bind_len = sizeof(dcerpc_bind);
- uint32_t dcerpc_bindack_len = sizeof(dcerpc_bindack);
-
- uint32_t dcerpc_request1_len = sizeof(dcerpc_request1);
- uint32_t dcerpc_response1_len = sizeof(dcerpc_response1);
-
- uint32_t dcerpc_request2_len = sizeof(dcerpc_request2);
- uint32_t dcerpc_response2_len = sizeof(dcerpc_response2);
-
- uint32_t dcerpc_request3_len = sizeof(dcerpc_request3);
- uint32_t dcerpc_response3_len = sizeof(dcerpc_response3);
-
- AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
-
- memset(&th_v, 0, sizeof(th_v));
- memset(&p, 0, sizeof(p));
- 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;
- p->flow = &f;
- p->flowflags |= FLOW_PKT_TOSERVER;
- p->flowflags |= FLOW_PKT_ESTABLISHED;
- p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
- f.alproto = ALPROTO_DCERPC;
-
- StreamTcpInitConfig(true);
-
- de_ctx = DetectEngineCtxInit();
- if (de_ctx == NULL)
- goto end;
-
- de_ctx->flags |= DE_QUIET;
-
- s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any "
- "(msg:\"DCERPC\"; dce_iface:338cd001-2244-31f1-aaaa-900038001003,=1,any_frag; sid:1;)");
- if (s == NULL)
- goto end;
-
- SigGroupBuild(de_ctx);
- DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
-
- SCLogDebug("chunk 1, bind");
-
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER | STREAM_START,
- dcerpc_bind, dcerpc_bind_len);
- if (r != 0) {
- SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
- goto end;
- }
-
- dcerpc_state = f.alstate;
- if (dcerpc_state == NULL) {
- SCLogDebug("no dcerpc state: ");
- goto end;
- }
-
- p->flowflags &=~ FLOW_PKT_TOCLIENT;
- p->flowflags |= FLOW_PKT_TOSERVER;
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (PacketAlertCheck(p, 1)) {
- SCLogDebug("sig 1 didn't match after bind request: ");
- goto end;
- }
-
- SCLogDebug("chunk 2, bind_ack");
-
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_bindack,
- dcerpc_bindack_len);
- if (r != 0) {
- SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
- goto end;
- }
-
- p->flowflags &=~ FLOW_PKT_TOSERVER;
- p->flowflags |= FLOW_PKT_TOCLIENT;
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (PacketAlertCheck(p, 1)) {
- SCLogDebug("sig 1 matched again after bind ack: ");
- goto end;
- }
-
- SCLogDebug("chunk 3, request 1");
-
- /* request1 */
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER, dcerpc_request1,
- dcerpc_request1_len);
- if (r != 0) {
- SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
- goto end;
- }
-
- p->flowflags &=~ FLOW_PKT_TOCLIENT;
- p->flowflags |= FLOW_PKT_TOSERVER;
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (!(PacketAlertCheck(p, 1))) {
- SCLogDebug("sig 1 didn't match after request1: ");
- goto end;
- }
-
- SCLogDebug("sending response1");
-
- /* response1 */
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_response1,
- dcerpc_response1_len);
- if (r != 0) {
- SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
- goto end;
- }
-
- p->flowflags &=~ FLOW_PKT_TOSERVER;
- p->flowflags |= FLOW_PKT_TOCLIENT;
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (PacketAlertCheck(p, 1)) {
- SCLogDebug("sig 1 matched after response1, but shouldn't: ");
- goto end;
- }
-
- SCLogDebug("sending request2");
-
- /* request2 */
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER, dcerpc_request2,
- dcerpc_request2_len);
- if (r != 0) {
- SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
- goto end;
- }
-
- p->flowflags &=~ FLOW_PKT_TOCLIENT;
- p->flowflags |= FLOW_PKT_TOSERVER;
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (!(PacketAlertCheck(p, 1))) {
- SCLogDebug("sig 1 didn't match after request2: ");
- goto end;
- }
-
- /* response2 */
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_response2,
- dcerpc_response2_len);
- if (r != 0) {
- SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
- goto end;
- }
-
- p->flowflags &=~ FLOW_PKT_TOSERVER;
- p->flowflags |= FLOW_PKT_TOCLIENT;
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (PacketAlertCheck(p, 1)) {
- SCLogDebug("sig 1 matched after response2, but shouldn't have: ");
- goto end;
- }
-
- /* request3 */
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER, dcerpc_request3,
- dcerpc_request3_len);
- if (r != 0) {
- SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
- goto end;
- }
-
- p->flowflags &=~ FLOW_PKT_TOCLIENT;
- p->flowflags |= FLOW_PKT_TOSERVER;
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (!(PacketAlertCheck(p, 1))) {
- SCLogDebug("sig 1 didn't match after request3: ");
- goto end;
- }
-
- /* response3 */
- r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT | STREAM_EOF,
- dcerpc_response3, dcerpc_response3_len);
- if (r != 0) {
- SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
- goto end;
- }
-
- p->flowflags &=~ FLOW_PKT_TOSERVER;
- p->flowflags |= FLOW_PKT_TOCLIENT;
- /* do detect */
- SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
-
- if (PacketAlertCheck(p, 1)) {
- SCLogDebug("sig 1 matched after response3, but shouldn't have: ");
- goto end;
- }
-
- result = 1;
-
- end:
- if (alp_tctx != NULL)
- AppLayerParserThreadCtxFree(alp_tctx);
- SigGroupCleanup(de_ctx);
- SigCleanSignatures(de_ctx);
-
- DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
- DetectEngineCtxFree(de_ctx);
-
- StreamTcpFreeConfig(true);
- UTHFreePackets(&p, 1);
- return result;
-}
-
-#endif
-
-static void DetectDceIfaceRegisterTests(void)
-{
- /* Disabled because of bug_753. Would be enabled, once we rewrite
- * dce parser */
-#if 0
- UtRegisterTest("DetectDceIfaceTestParse13", DetectDceIfaceTestParse13, 1);
-#endif
-}
-#endif /* UNITTESTS */
projects / thirdparty / suricata.git / commitdiff
