mirror of https://github.com/OISF/suricata
ja3s-hash: move unittests to tests/
Mats Klepsland
7 years ago
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b59e82a642
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736d35f36e
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/* Copyright (C) 2019 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Mats Klepsland <mats.klepsland@gmail.com>
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*
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*/
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#ifndef HAVE_NSS
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static void DetectTlsJa3SHashRegisterTests(void)
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{
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/* Don't register any tests */
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}
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#else /* HAVE_NSS */
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/**
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* \test Test matching on a JA3S hash from a ServerHello record
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*/
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static int DetectTlsJa3SHashTest01(void)
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{
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/* client hello */
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uint8_t client_hello[] = {
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0x16, 0x03, 0x01, 0x00, 0xc8, 0x01, 0x00, 0x00,
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0xc4, 0x03, 0x03, 0xd6, 0x08, 0x5a, 0xa2, 0x86,
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0x5b, 0x85, 0xd4, 0x40, 0xab, 0xbe, 0xc0, 0xbc,
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0x41, 0xf2, 0x26, 0xf0, 0xfe, 0x21, 0xee, 0x8b,
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0x4c, 0x7e, 0x07, 0xc8, 0xec, 0xd2, 0x00, 0x46,
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0x4c, 0xeb, 0xb7, 0x00, 0x00, 0x16, 0xc0, 0x2b,
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0xc0, 0x2f, 0xc0, 0x0a, 0xc0, 0x09, 0xc0, 0x13,
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0xc0, 0x14, 0x00, 0x33, 0x00, 0x39, 0x00, 0x2f,
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0x00, 0x35, 0x00, 0x0a, 0x01, 0x00, 0x00, 0x85,
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0x00, 0x00, 0x00, 0x12, 0x00, 0x10, 0x00, 0x00,
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0x0d, 0x77, 0x77, 0x77, 0x2e, 0x67, 0x6f, 0x6f,
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0x67, 0x6c, 0x65, 0x2e, 0x6e, 0x6f, 0xff, 0x01,
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0x00, 0x01, 0x00, 0x00, 0x0a, 0x00, 0x08, 0x00,
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0x06, 0x00, 0x17, 0x00, 0x18, 0x00, 0x19, 0x00,
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0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, 0x23, 0x00,
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0x00, 0x33, 0x74, 0x00, 0x00, 0x00, 0x10, 0x00,
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0x29, 0x00, 0x27, 0x05, 0x68, 0x32, 0x2d, 0x31,
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0x36, 0x05, 0x68, 0x32, 0x2d, 0x31, 0x35, 0x05,
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0x68, 0x32, 0x2d, 0x31, 0x34, 0x02, 0x68, 0x32,
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0x08, 0x73, 0x70, 0x64, 0x79, 0x2f, 0x33, 0x2e,
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0x31, 0x08, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x31,
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0x2e, 0x31, 0x00, 0x05, 0x00, 0x05, 0x01, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x16, 0x00,
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0x14, 0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02,
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0x01, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x02,
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0x03, 0x04, 0x02, 0x02, 0x02
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};
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/* server hello */
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uint8_t server_hello[] = {
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0x16, 0x03, 0x03, 0x00, 0x48, 0x02, 0x00, 0x00,
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0x44, 0x03, 0x03, 0x57, 0x91, 0xb8, 0x63, 0xdd,
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0xdb, 0xbb, 0x23, 0xcf, 0x0b, 0x43, 0x02, 0x1d,
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0x46, 0x11, 0x27, 0x5c, 0x98, 0xcf, 0x67, 0xe1,
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0x94, 0x3d, 0x62, 0x7d, 0x38, 0x48, 0x21, 0x23,
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0xa5, 0x62, 0x31, 0x00, 0xc0, 0x2f, 0x00, 0x00,
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0x1c, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x10,
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0x00, 0x05, 0x00, 0x03, 0x02, 0x68, 0x32, 0x00,
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0x0b, 0x00, 0x02, 0x01, 0x00
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};
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Flow f;
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SSLState *ssl_state = NULL;
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TcpSession ssn;
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Packet *p1 = NULL;
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Packet *p2 = NULL;
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ThreadVars tv;
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DetectEngineThreadCtx *det_ctx = NULL;
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AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
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memset(&tv, 0, sizeof(ThreadVars));
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memset(&f, 0, sizeof(Flow));
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memset(&ssn, 0, sizeof(TcpSession));
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p1 = UTHBuildPacketReal(client_hello, sizeof(client_hello), IPPROTO_TCP,
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"192.168.1.5", "192.168.1.1", 51251, 443);
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p2 = UTHBuildPacketReal(server_hello, sizeof(server_hello), IPPROTO_TCP,
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"192.168.1.1", "192.168.1.5", 443, 51251);
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FLOW_INITIALIZE(&f);
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f.flags |= FLOW_IPV4;
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f.proto = IPPROTO_TCP;
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f.protomap = FlowGetProtoMapping(f.proto);
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f.alproto = ALPROTO_TLS;
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p1->flow = &f;
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p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
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p1->flowflags |= FLOW_PKT_TOSERVER;
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p1->flowflags |= FLOW_PKT_ESTABLISHED;
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p1->pcap_cnt = 1;
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p2->flow = &f;
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p2->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
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p2->flowflags |= FLOW_PKT_TOCLIENT;
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p2->flowflags |= FLOW_PKT_ESTABLISHED;
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p2->pcap_cnt = 2;
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StreamTcpInitConfig(TRUE);
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DetectEngineCtx *de_ctx = DetectEngineCtxInit();
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FAIL_IF_NULL(de_ctx);
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de_ctx->mpm_matcher = mpm_default_matcher;
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de_ctx->flags |= DE_QUIET;
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Signature *s = DetectEngineAppendSig(de_ctx, "alert tls any any -> any any "
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"(msg:\"Test ja3s.hash\"; "
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"ja3s.hash; "
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"content:\"8217013c502e3461d19c75bb02a12aaf\"; "
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"sid:1;)");
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FAIL_IF_NULL(s);
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SigGroupBuild(de_ctx);
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DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
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int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS,
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STREAM_TOSERVER, client_hello,
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sizeof(client_hello));
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FAIL_IF(r != 0);
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ssl_state = f.alstate;
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FAIL_IF_NULL(ssl_state);
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SigMatchSignatures(&tv, de_ctx, det_ctx, p1);
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FAIL_IF(PacketAlertCheck(p1, 1));
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r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
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server_hello, sizeof(server_hello));
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FAIL_IF(r != 0);
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FAIL_IF_NULL(ssl_state->server_connp.ja3_hash);
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SigMatchSignatures(&tv, de_ctx, det_ctx, p2);
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FAIL_IF_NOT(PacketAlertCheck(p2, 1));
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AppLayerParserThreadCtxFree(alp_tctx);
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DetectEngineThreadCtxDeinit(&tv, det_ctx);
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DetectEngineCtxFree(de_ctx);
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StreamTcpFreeConfig(TRUE);
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FLOW_DESTROY(&f);
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UTHFreePacket(p1);
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UTHFreePacket(p2);
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PASS;
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}
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void DetectTlsJa3SHashRegisterTests(void)
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{
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UtRegisterTest("DetectTlsJa3SHashTest01", DetectTlsJa3SHashTest01);
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}
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#endif /* HAVE_NSS */
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