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ja3s-hash: move unittests to tests/

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pull/3874/head
Mats Klepsland 7 years ago
parent b59e82a642
commit 736d35f36e
2 changed files with 183 additions and 159 deletions
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165
src/detect-tls-ja3s-hash.c
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@ -59,7 +59,9 @@
#include "util-unittest-helper.h"
static int DetectTlsJa3SHashSetup(DetectEngineCtx *, Signature *, const char *);
#ifdef UNITTESTS
static void DetectTlsJa3SHashRegisterTests(void);
#endif
static InspectionBuffer *GetData(DetectEngineThreadCtx *det_ctx,
const DetectEngineTransforms *transforms,
Flow *f, const uint8_t flow_flags,
@ -79,8 +81,9 @@ void DetectTlsJa3SHashRegister(void)
sigmatch_table[DETECT_AL_TLS_JA3S_HASH].desc = "content modifier to match the JA3S hash sticky buffer";
sigmatch_table[DETECT_AL_TLS_JA3S_HASH].url = DOC_URL DOC_VERSION "/rules/ja3-keywords.html#ja3s-hash";
sigmatch_table[DETECT_AL_TLS_JA3S_HASH].Setup = DetectTlsJa3SHashSetup;
#ifdef UNITTESTS
sigmatch_table[DETECT_AL_TLS_JA3S_HASH].RegisterTests = DetectTlsJa3SHashRegisterTests;
#endif
sigmatch_table[DETECT_AL_TLS_JA3S_HASH].flags |= SIGMATCH_NOOPT;
sigmatch_table[DETECT_AL_TLS_JA3S_HASH].flags |= SIGMATCH_INFO_STICKY_BUFFER;
@ -209,162 +212,6 @@ static void DetectTlsJa3SHashSetupCallback(const DetectEngineCtx *de_ctx,
}
}
#ifndef HAVE_NSS
static void DetectTlsJa3SHashRegisterTests(void)
{
/* Don't register any tests */
}
#else /* HAVE_NSS */
#ifdef UNITTESTS
/**
* \test Test matching on a JA3S hash from a ServerHello record
*/
static int DetectTlsJa3SHashTest01(void)
{
/* client hello */
uint8_t client_hello[] = {
0x16, 0x03, 0x01, 0x00, 0xc8, 0x01, 0x00, 0x00,
0xc4, 0x03, 0x03, 0xd6, 0x08, 0x5a, 0xa2, 0x86,
0x5b, 0x85, 0xd4, 0x40, 0xab, 0xbe, 0xc0, 0xbc,
0x41, 0xf2, 0x26, 0xf0, 0xfe, 0x21, 0xee, 0x8b,
0x4c, 0x7e, 0x07, 0xc8, 0xec, 0xd2, 0x00, 0x46,
0x4c, 0xeb, 0xb7, 0x00, 0x00, 0x16, 0xc0, 0x2b,
0xc0, 0x2f, 0xc0, 0x0a, 0xc0, 0x09, 0xc0, 0x13,
0xc0, 0x14, 0x00, 0x33, 0x00, 0x39, 0x00, 0x2f,
0x00, 0x35, 0x00, 0x0a, 0x01, 0x00, 0x00, 0x85,
0x00, 0x00, 0x00, 0x12, 0x00, 0x10, 0x00, 0x00,
0x0d, 0x77, 0x77, 0x77, 0x2e, 0x67, 0x6f, 0x6f,
0x67, 0x6c, 0x65, 0x2e, 0x6e, 0x6f, 0xff, 0x01,
0x00, 0x01, 0x00, 0x00, 0x0a, 0x00, 0x08, 0x00,
0x06, 0x00, 0x17, 0x00, 0x18, 0x00, 0x19, 0x00,
0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, 0x23, 0x00,
0x00, 0x33, 0x74, 0x00, 0x00, 0x00, 0x10, 0x00,
0x29, 0x00, 0x27, 0x05, 0x68, 0x32, 0x2d, 0x31,
0x36, 0x05, 0x68, 0x32, 0x2d, 0x31, 0x35, 0x05,
0x68, 0x32, 0x2d, 0x31, 0x34, 0x02, 0x68, 0x32,
0x08, 0x73, 0x70, 0x64, 0x79, 0x2f, 0x33, 0x2e,
0x31, 0x08, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x31,
0x2e, 0x31, 0x00, 0x05, 0x00, 0x05, 0x01, 0x00,
0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x16, 0x00,
0x14, 0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02,
0x01, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x02,
0x03, 0x04, 0x02, 0x02, 0x02
};
/* server hello */
uint8_t server_hello[] = {
0x16, 0x03, 0x03, 0x00, 0x48, 0x02, 0x00, 0x00,
0x44, 0x03, 0x03, 0x57, 0x91, 0xb8, 0x63, 0xdd,
0xdb, 0xbb, 0x23, 0xcf, 0x0b, 0x43, 0x02, 0x1d,
0x46, 0x11, 0x27, 0x5c, 0x98, 0xcf, 0x67, 0xe1,
0x94, 0x3d, 0x62, 0x7d, 0x38, 0x48, 0x21, 0x23,
0xa5, 0x62, 0x31, 0x00, 0xc0, 0x2f, 0x00, 0x00,
0x1c, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x10,
0x00, 0x05, 0x00, 0x03, 0x02, 0x68, 0x32, 0x00,
0x0b, 0x00, 0x02, 0x01, 0x00
};
Flow f;
SSLState *ssl_state = NULL;
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars tv;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&tv, 0, sizeof(ThreadVars));
memset(&f, 0, sizeof(Flow));
memset(&ssn, 0, sizeof(TcpSession));
p1 = UTHBuildPacketReal(client_hello, sizeof(client_hello), IPPROTO_TCP,
"192.168.1.5", "192.168.1.1", 51251, 443);
p2 = UTHBuildPacketReal(server_hello, sizeof(server_hello), IPPROTO_TCP,
"192.168.1.1", "192.168.1.5", 443, 51251);
FLOW_INITIALIZE(&f);
f.flags |= FLOW_IPV4;
f.proto = IPPROTO_TCP;
f.protomap = FlowGetProtoMapping(f.proto);
f.alproto = ALPROTO_TLS;
p1->flow = &f;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->pcap_cnt = 1;
p2->flow = &f;
p2->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flowflags |= FLOW_PKT_TOCLIENT;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->pcap_cnt = 2;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
FAIL_IF_NULL(de_ctx);
de_ctx->mpm_matcher = mpm_default_matcher;
de_ctx->flags |= DE_QUIET;
Signature *s = DetectEngineAppendSig(de_ctx, "alert tls any any -> any any "
"(msg:\"Test ja3s.hash\"; "
"ja3s.hash; "
"content:\"8217013c502e3461d19c75bb02a12aaf\"; "
"sid:1;)");
FAIL_IF_NULL(s);
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS,
STREAM_TOSERVER, client_hello,
sizeof(client_hello));
FAIL_IF(r != 0);
ssl_state = f.alstate;
FAIL_IF_NULL(ssl_state);
SigMatchSignatures(&tv, de_ctx, det_ctx, p1);
FAIL_IF(PacketAlertCheck(p1, 1));
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
server_hello, sizeof(server_hello));
FAIL_IF(r != 0);
FAIL_IF_NULL(ssl_state->server_connp.ja3_hash);
SigMatchSignatures(&tv, de_ctx, det_ctx, p2);
FAIL_IF_NOT(PacketAlertCheck(p2, 1));
AppLayerParserThreadCtxFree(alp_tctx);
DetectEngineThreadCtxDeinit(&tv, det_ctx);
DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePacket(p1);
UTHFreePacket(p2);
PASS;
}
#endif /* UNITTESTS */
static void DetectTlsJa3SHashRegisterTests(void)
{
#ifdef UNITTESTS
UtRegisterTest("DetectTlsJa3SHashTest01", DetectTlsJa3SHashTest01);
#endif /* UNITTESTS */
}
#endif /* HAVE_NSS */
#include "tests/detect-tls-ja3s-hash.c"
#endif

177
src/tests/detect-tls-ja3s-hash.c
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@ -0,0 +1,177 @@
/* Copyright (C) 2019 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Mats Klepsland <mats.klepsland@gmail.com>
*
*/
#ifndef HAVE_NSS
static void DetectTlsJa3SHashRegisterTests(void)
{
/* Don't register any tests */
}
#else /* HAVE_NSS */
/**
* \test Test matching on a JA3S hash from a ServerHello record
*/
static int DetectTlsJa3SHashTest01(void)
{
/* client hello */
uint8_t client_hello[] = {
0x16, 0x03, 0x01, 0x00, 0xc8, 0x01, 0x00, 0x00,
0xc4, 0x03, 0x03, 0xd6, 0x08, 0x5a, 0xa2, 0x86,
0x5b, 0x85, 0xd4, 0x40, 0xab, 0xbe, 0xc0, 0xbc,
0x41, 0xf2, 0x26, 0xf0, 0xfe, 0x21, 0xee, 0x8b,
0x4c, 0x7e, 0x07, 0xc8, 0xec, 0xd2, 0x00, 0x46,
0x4c, 0xeb, 0xb7, 0x00, 0x00, 0x16, 0xc0, 0x2b,
0xc0, 0x2f, 0xc0, 0x0a, 0xc0, 0x09, 0xc0, 0x13,
0xc0, 0x14, 0x00, 0x33, 0x00, 0x39, 0x00, 0x2f,
0x00, 0x35, 0x00, 0x0a, 0x01, 0x00, 0x00, 0x85,
0x00, 0x00, 0x00, 0x12, 0x00, 0x10, 0x00, 0x00,
0x0d, 0x77, 0x77, 0x77, 0x2e, 0x67, 0x6f, 0x6f,
0x67, 0x6c, 0x65, 0x2e, 0x6e, 0x6f, 0xff, 0x01,
0x00, 0x01, 0x00, 0x00, 0x0a, 0x00, 0x08, 0x00,
0x06, 0x00, 0x17, 0x00, 0x18, 0x00, 0x19, 0x00,
0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, 0x23, 0x00,
0x00, 0x33, 0x74, 0x00, 0x00, 0x00, 0x10, 0x00,
0x29, 0x00, 0x27, 0x05, 0x68, 0x32, 0x2d, 0x31,
0x36, 0x05, 0x68, 0x32, 0x2d, 0x31, 0x35, 0x05,
0x68, 0x32, 0x2d, 0x31, 0x34, 0x02, 0x68, 0x32,
0x08, 0x73, 0x70, 0x64, 0x79, 0x2f, 0x33, 0x2e,
0x31, 0x08, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x31,
0x2e, 0x31, 0x00, 0x05, 0x00, 0x05, 0x01, 0x00,
0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x16, 0x00,
0x14, 0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02,
0x01, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x02,
0x03, 0x04, 0x02, 0x02, 0x02
};
/* server hello */
uint8_t server_hello[] = {
0x16, 0x03, 0x03, 0x00, 0x48, 0x02, 0x00, 0x00,
0x44, 0x03, 0x03, 0x57, 0x91, 0xb8, 0x63, 0xdd,
0xdb, 0xbb, 0x23, 0xcf, 0x0b, 0x43, 0x02, 0x1d,
0x46, 0x11, 0x27, 0x5c, 0x98, 0xcf, 0x67, 0xe1,
0x94, 0x3d, 0x62, 0x7d, 0x38, 0x48, 0x21, 0x23,
0xa5, 0x62, 0x31, 0x00, 0xc0, 0x2f, 0x00, 0x00,
0x1c, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x10,
0x00, 0x05, 0x00, 0x03, 0x02, 0x68, 0x32, 0x00,
0x0b, 0x00, 0x02, 0x01, 0x00
};
Flow f;
SSLState *ssl_state = NULL;
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars tv;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&tv, 0, sizeof(ThreadVars));
memset(&f, 0, sizeof(Flow));
memset(&ssn, 0, sizeof(TcpSession));
p1 = UTHBuildPacketReal(client_hello, sizeof(client_hello), IPPROTO_TCP,
"192.168.1.5", "192.168.1.1", 51251, 443);
p2 = UTHBuildPacketReal(server_hello, sizeof(server_hello), IPPROTO_TCP,
"192.168.1.1", "192.168.1.5", 443, 51251);
FLOW_INITIALIZE(&f);
f.flags |= FLOW_IPV4;
f.proto = IPPROTO_TCP;
f.protomap = FlowGetProtoMapping(f.proto);
f.alproto = ALPROTO_TLS;
p1->flow = &f;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->pcap_cnt = 1;
p2->flow = &f;
p2->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flowflags |= FLOW_PKT_TOCLIENT;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->pcap_cnt = 2;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
FAIL_IF_NULL(de_ctx);
de_ctx->mpm_matcher = mpm_default_matcher;
de_ctx->flags |= DE_QUIET;
Signature *s = DetectEngineAppendSig(de_ctx, "alert tls any any -> any any "
"(msg:\"Test ja3s.hash\"; "
"ja3s.hash; "
"content:\"8217013c502e3461d19c75bb02a12aaf\"; "
"sid:1;)");
FAIL_IF_NULL(s);
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS,
STREAM_TOSERVER, client_hello,
sizeof(client_hello));
FAIL_IF(r != 0);
ssl_state = f.alstate;
FAIL_IF_NULL(ssl_state);
SigMatchSignatures(&tv, de_ctx, det_ctx, p1);
FAIL_IF(PacketAlertCheck(p1, 1));
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
server_hello, sizeof(server_hello));
FAIL_IF(r != 0);
FAIL_IF_NULL(ssl_state->server_connp.ja3_hash);
SigMatchSignatures(&tv, de_ctx, det_ctx, p2);
FAIL_IF_NOT(PacketAlertCheck(p2, 1));
AppLayerParserThreadCtxFree(alp_tctx);
DetectEngineThreadCtxDeinit(&tv, det_ctx);
DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePacket(p1);
UTHFreePacket(p2);
PASS;
}
void DetectTlsJa3SHashRegisterTests(void)
{
UtRegisterTest("DetectTlsJa3SHashTest01", DetectTlsJa3SHashTest01);
}
#endif /* HAVE_NSS */
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