From: Victor Julien Date: Sun, 9 Mar 2025 13:54:16 +0000 (+0100) Subject: detect/dcerpc.iface: remove commented out unittest X-Git-Tag: suricata-8.0.0-beta1~294 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=99f151c9077080d26e6ed151f1f331cb986bcf77;p=thirdparty%2Fsuricata.git detect/dcerpc.iface: remove commented out unittest --- diff --git a/src/detect-dce-iface.c b/src/detect-dce-iface.c index 987d0a48c9..63c362d01e 100644 --- a/src/detect-dce-iface.c +++ b/src/detect-dce-iface.c @@ -58,9 +58,6 @@ static int DetectDceIfaceMatchRust(DetectEngineThreadCtx *det_ctx, 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; /** @@ -72,10 +69,7 @@ void DetectDceIfaceRegister(void) 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"); @@ -169,357 +163,3 @@ static void DetectDceIfaceFree(DetectEngineCtx *de_ctx, void *ptr) } 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 */