PASS;
}
+/**
+ * \test Test matching on a simple client hello packet
+ */
+static int DetectTlsJa3HashTest02(void)
+{
+ /* Client hello */
+ uint8_t buf[] = { 0x16, 0x03, 0x01, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xbc,
+ 0x03, 0x03, 0x03, 0xb7, 0x16, 0x16, 0x5a, 0xe7, 0xc1,
+ 0xbd, 0x46, 0x2f, 0xff, 0xf3, 0x68, 0xb8, 0x6f, 0x6e,
+ 0x93, 0xdf, 0x06, 0x6a, 0xa7, 0x2d, 0xa0, 0xea, 0x9f,
+ 0x48, 0xb5, 0xe7, 0x91, 0x20, 0xd7, 0x25, 0x00, 0x00,
+ 0x1c, 0x0a, 0x0a, 0xc0, 0x2b, 0xc0, 0x2f, 0xc0, 0x2c,
+ 0xc0, 0x30, 0xcc, 0xa9, 0xcc, 0xa8, 0xc0, 0x13, 0xc0,
+ 0x14, 0x00, 0x9c, 0x00, 0x9d, 0x00, 0x2f, 0x00, 0x35,
+ 0x00, 0x0a, 0x01, 0x00, 0x00, 0x77, 0x1a, 0x1a, 0x00,
+ 0x00, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
+ 0x12, 0x00, 0x10, 0x00, 0x00, 0x0d, 0x77, 0x77, 0x77,
+ 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x6e,
+ 0x6f, 0x00, 0x17, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00,
+ 0x00, 0x0d, 0x00, 0x14, 0x00, 0x12, 0x04, 0x03, 0x08,
+ 0x04, 0x04, 0x01, 0x05, 0x03, 0x08, 0x05, 0x05, 0x01,
+ 0x08, 0x06, 0x06, 0x01, 0x02, 0x01, 0x00, 0x05, 0x00,
+ 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x00,
+ 0x00, 0x00, 0x10, 0x00, 0x0e, 0x00, 0x0c, 0x02, 0x68,
+ 0x32, 0x08, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x31, 0x2e,
+ 0x31, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, 0x0a,
+ 0x00, 0x0a, 0x00, 0x08, 0xba, 0xba, 0x00, 0x1d, 0x00,
+ 0x17, 0x00, 0x18, 0x0a, 0x0a, 0x00, 0x01, 0x00 };
+
+ Flow f;
+ SSLState *ssl_state = NULL;
+ Packet *p = NULL;
+ Signature *s = NULL;
+ ThreadVars tv;
+ DetectEngineThreadCtx *det_ctx = NULL;
+ TcpSession ssn;
+ AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
+
+ memset(&tv, 0, sizeof(ThreadVars));
+ memset(&f, 0, sizeof(Flow));
+ memset(&ssn, 0, sizeof(TcpSession));
+
+ p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_TCP,
+ "192.168.1.5", "192.168.1.1",
+ 41424, 443);
+
+ FLOW_INITIALIZE(&f);
+ f.protoctx = (void *)&ssn;
+ f.flags |= FLOW_IPV4;
+ f.proto = IPPROTO_TCP;
+ f.protomap = FlowGetProtoMapping(f.proto);
+
+ p->flow = &f;
+ p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
+ p->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
+ f.alproto = ALPROTO_TLS;
+
+ StreamTcpInitConfig(TRUE);
+
+ DetectEngineCtx *de_ctx = DetectEngineCtxInit();
+ FAIL_IF_NULL(de_ctx);
+
+ de_ctx->mpm_matcher = mpm_default_matcher;
+ de_ctx->flags |= DE_QUIET;
+
+ s = DetectEngineAppendSig(de_ctx, "alert tls any any -> any any "
+ "(msg:\"Test ja3_hash\"; ja3_hash; "
+ "content:\"bc6c386f480ee97b9d9e52d472b772d8\"; "
+ "sid:1;)");
+ FAIL_IF_NULL(s);
+
+ SigGroupBuild(de_ctx);
+ DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
+
+ FLOWLOCK_WRLOCK(&f);
+ int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS,
+ STREAM_TOSERVER, buf, sizeof(buf));
+ FLOWLOCK_UNLOCK(&f);
+ FAIL_IF(r != 0);
+
+ ssl_state = f.alstate;
+ FAIL_IF_NULL(ssl_state);
+
+ FAIL_IF_NULL(ssl_state->ja3_hash);
+
+ SigMatchSignatures(&tv, de_ctx, det_ctx, p);
+
+ FAIL_IF_NOT(PacketAlertCheck(p, 1));
+
+ AppLayerParserThreadCtxFree(alp_tctx);
+ DetectEngineThreadCtxDeinit(&tv, det_ctx);
+ DetectEngineCtxFree(de_ctx);
+
+ StreamTcpFreeConfig(TRUE);
+ FLOW_DESTROY(&f);
+ UTHFreePacket(p);
+
+ PASS;
+}
#endif /* UNITTESTS */
static void DetectTlsJa3HashRegisterTests(void)
{
#ifdef UNITTESTS
UtRegisterTest("DetectTlsJa3HashTest01", DetectTlsJa3HashTest01);
+ UtRegisterTest("DetectTlsJa3HashTest02", DetectTlsJa3HashTest02);
#endif /* UNITTESTS */
}