mirror of https://github.com/OISF/suricata
detect-tls-ja3-string: move unittests to tests/
Mats Klepsland
6 years ago
committed by
Victor Julien
parent
74a7b7e3cf
commit
adb4da3975
@ -0,0 +1,131 @@
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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 DetectTlsJa3StringRegisterTests(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 simple client hello packet
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*/
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static int DetectTlsJa3StringTest01(void)
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{
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/* Client hello */
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uint8_t buf[] = { 0x16, 0x03, 0x03, 0x00, 0x82, 0x01, 0x00, 0x00, 0x7E,
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0x03, 0x03, 0x57, 0x04, 0x9F, 0x5D, 0xC9, 0x5C, 0x87,
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0xAE, 0xF2, 0xA7, 0x4A, 0xFC, 0x59, 0x78, 0x23, 0x31,
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0x61, 0x2D, 0x29, 0x92, 0xB6, 0x70, 0xA5, 0xA1, 0xFC,
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0x0E, 0x79, 0xFE, 0xC3, 0x97, 0x37, 0xC0, 0x00, 0x00,
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0x44, 0x00, 0x04, 0x00, 0x05, 0x00, 0x0A, 0x00, 0x0D,
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0x00, 0x10, 0x00, 0x13, 0x00, 0x16, 0x00, 0x2F, 0x00,
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0x30, 0x00, 0x31, 0x00, 0x32, 0x00, 0x33, 0x00, 0x35,
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0x00, 0x36, 0x00, 0x37, 0x00, 0x38, 0x00, 0x39, 0x00,
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0x3C, 0x00, 0x3D, 0x00, 0x3E, 0x00, 0x3F, 0x00, 0x40,
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0x00, 0x41, 0x00, 0x44, 0x00, 0x45, 0x00, 0x66, 0x00,
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0x67, 0x00, 0x68, 0x00, 0x69, 0x00, 0x6A, 0x00, 0x6B,
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0x00, 0x84, 0x00, 0x87, 0x00, 0xFF, 0x01, 0x00, 0x00,
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0x13, 0x00, 0x00, 0x00, 0x0F, 0x00, 0x0D, 0x00, 0x00,
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0x0A, 0x67, 0x6F, 0x6F, 0x67, 0x6C, 0x65, 0x2E, 0x63,
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0x6F, 0x6D, };
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Flow f;
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SSLState *ssl_state = NULL;
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ThreadVars tv;
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DetectEngineThreadCtx *det_ctx = NULL;
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TcpSession ssn;
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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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Packet *p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_TCP,
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"192.168.1.5", "192.168.1.1",
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41424, 443);
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FLOW_INITIALIZE(&f);
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f.protoctx = (void *)&ssn;
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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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p->flow = &f;
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p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
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p->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
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f.alproto = ALPROTO_TLS;
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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 ja3.string\"; ja3.string; "
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"content:\"-65-68-69-102-103-104-105-106-107-132-135-255,0,,\"; "
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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, buf, sizeof(buf));
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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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FAIL_IF_NULL(ssl_state->ja3_str);
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FAIL_IF_NULL(ssl_state->ja3_str->data);
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SigMatchSignatures(&tv, de_ctx, det_ctx, p);
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FAIL_IF_NOT(PacketAlertCheck(p, 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(p);
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PASS;
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}
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static void DetectTlsJa3StringRegisterTests(void)
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{
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UtRegisterTest("DetectTlsJa3StringTest01", DetectTlsJa3StringTest01);
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}
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#endif /* HAVE_NSS */
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