/**
* \test Test packet Matches
* \param raw_eth_pkt pointer to the ethernet packet
* \param pktsize size of the packet
* \param sig pointer to the signature to test
* \param sid sid number of the signature
* \retval return 1 if match
* \retval return 0 if not
*/
int DetectReplaceLongPatternMatchTest(uint8_t *raw_eth_pkt, uint16_t pktsize, char *sig,
uint32_t sid, uint8_t *pp, uint16_t *len)
{
int result = 0;
Packet *p = NULL;
p = SCMalloc(SIZE_OF_PACKET);
if (unlikely(p == NULL))
return 0;
DecodeThreadVars dtv;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
if (pp == NULL) {
SCLogDebug("replace: looks like a second run");
}
memset(p, 0, SIZE_OF_PACKET);
p->pkt = (uint8_t *)(p + 1);
PacketCopyData(p, raw_eth_pkt, pktsize);
memset(&dtv, 0, sizeof(DecodeThreadVars));
memset(&th_v, 0, sizeof(th_v));
FlowInitConfig(FLOW_QUIET);
DecodeEthernet(&th_v, &dtv, p, GET_PKT_DATA(p), pktsize, NULL);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, sig);
if (de_ctx->sig_list == NULL) {
goto end;
}
de_ctx->sig_list->next = NULL;
if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->type == DETECT_CONTENT) {
DetectContentData *co = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
if (co->flags & DETECT_CONTENT_RELATIVE_NEXT) {
printf("relative next flag set on final match which is content: ");
goto end;
}
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, sid) != 1) {
SCLogDebug("replace: no alert on sig %d", sid);
goto end;
}
if (pp) {
memcpy(pp, GET_PKT_DATA(p), GET_PKT_LEN(p));
*len = pktsize;
SCLogDebug("replace: copying %d on %p", *len, pp);
}
result = 1;
end:
if (de_ctx != NULL)
{
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
if (det_ctx != NULL)
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
}
FlowShutdown();
SCFree(p);
return result;
}
/** \test Check a signature with an request method and negation of the same */
static int DetectHttpMethodSigTest04(void)
{
int result = 0;
Flow f;
uint8_t httpbuf1[] = "GET / HTTP/1.0\r\n"
"Host: foo.bar.tld\r\n"
"\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
TcpSession ssn;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,
"alert tcp any any -> any any (msg:\"Testing http_method\"; "
"content:\"GET\"; http_method; sid:1;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,
"alert tcp any any -> any any (msg:\"Testing http_method\"; "
"content:!\"GET\"; http_method; sid:2;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SCMutexLock(&f.m);
int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
if (r != 0) {
SCLogDebug("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
SCMutexUnlock(&f.m);
goto end;
}
SCMutexUnlock(&f.m);
http_state = f.alstate;
if (http_state == NULL) {
SCLogDebug("no http state: ");
goto end;
}
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (!(PacketAlertCheck(p, 1))) {
printf("sid 1 didn't match but should have: ");
goto end;
}
if (PacketAlertCheck(p, 2)) {
printf("sid 2 matched but shouldn't have: ");
goto end;
}
result = 1;
end:
if (de_ctx != NULL) {
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
}
if (det_ctx != NULL) {
DetectEngineThreadCtxDeinit(&th_v, (void *) det_ctx);
}
if (de_ctx != NULL) {
DetectEngineCtxFree(de_ctx);
}
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
return result;
}
static int DetectSslVersionTestDetect02(void)
{
Flow f;
uint8_t sslbuf1[] = { 0x16 };
uint32_t ssllen1 = sizeof(sslbuf1);
uint8_t sslbuf2[] = { 0x03 };
uint32_t ssllen2 = sizeof(sslbuf2);
uint8_t sslbuf3[] = { 0x01 };
uint32_t ssllen3 = sizeof(sslbuf3);
uint8_t sslbuf4[] = { 0x01, 0x00, 0x00, 0xad, 0x03, 0x02 };
uint32_t ssllen4 = sizeof(sslbuf4);
TcpSession ssn;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
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_TLS;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
FAIL_IF_NULL(de_ctx);
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert tls any any -> any any (msg:\"TLS\"; ssl_version:tls1.0; sid:1;)");
FAIL_IF_NULL(s);
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
FLOWLOCK_WRLOCK(&f);
int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS,
STREAM_TOSERVER, sslbuf1, ssllen1);
FAIL_IF(r != 0);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOSERVER,
sslbuf2, ssllen2);
FAIL_IF(r != 0);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOSERVER,
sslbuf3, ssllen3);
FAIL_IF(r != 0);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOSERVER,
sslbuf4, ssllen4);
FAIL_IF(r != 0);
FLOWLOCK_UNLOCK(&f);
SSLState *app_state = f.alstate;
FAIL_IF_NULL(app_state);
FAIL_IF(app_state->client_connp.content_type != 0x16);
FAIL_IF(app_state->client_connp.version != TLS_VERSION_10);
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
FAIL_IF_NOT(PacketAlertCheck(p, 1));
AppLayerParserThreadCtxFree(alp_tctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
PASS;
}
/** \test Check the signature working to alert when http_cookie is not present */
static int DetectHttpCookieSigTest07(void)
{
int result = 0;
Flow f;
uint8_t httpbuf1[] = "POST / HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\n"
"Cookie: dummy\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
TcpSession ssn;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
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;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any (msg:"
"\"HTTP cookie\"; content:!\"dummy\"; "
"http_cookie; sid:1;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SCMutexLock(&f.m);
int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
result = 0;
SCMutexUnlock(&f.m);
goto end;
}
SCMutexUnlock(&f.m);
http_state = f.alstate;
if (http_state == NULL) {
printf("no http state: ");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1)) {
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
if (det_ctx != NULL) {
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
}
if (de_ctx != NULL) {
SigGroupCleanup(de_ctx);
DetectEngineCtxFree(de_ctx);
}
StreamTcpFreeConfig(TRUE);
UTHFreePackets(&p, 1);
return result;
}
/**
* \internal
* \brief This test tests sameip success and failure.
*/
static int DetectAckSigTest01(void)
{
Packet *p1 = NULL;
Packet *p2 = NULL;
Packet *p3 = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
/* TCP w/ack=42 */
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p1->tcph->th_ack = htonl(42);
/* TCP w/ack=100 */
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2->tcph->th_ack = htonl(100);
/* ICMP */
p3 = UTHBuildPacket(NULL, 0, IPPROTO_ICMP);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
/* These three are crammed in here as there is no Parse */
if (SigInit(de_ctx,
"alert tcp any any -> any any "
"(msg:\"Testing ack\";ack:foo;sid:1;)") != NULL)
{
printf("invalid ack accepted: ");
goto cleanup_engine;
}
if (SigInit(de_ctx,
"alert tcp any any -> any any "
"(msg:\"Testing ack\";ack:9999999999;sid:1;)") != NULL)
{
printf("overflowing ack accepted: ");
goto cleanup_engine;
}
if (SigInit(de_ctx,
"alert tcp any any -> any any "
"(msg:\"Testing ack\";ack:-100;sid:1;)") != NULL)
{
printf("negative ack accepted: ");
goto cleanup_engine;
}
de_ctx->sig_list = SigInit(de_ctx,
"alert tcp any any -> any any "
"(msg:\"Testing ack\";ack:41;sid:1;)");
if (de_ctx->sig_list == NULL) {
goto cleanup_engine;
}
de_ctx->sig_list->next = SigInit(de_ctx,
"alert tcp any any -> any any "
"(msg:\"Testing ack\";ack:42;sid:2;)");
if (de_ctx->sig_list->next == NULL) {
goto cleanup_engine;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1) != 0) {
printf("sid 1 alerted, but should not have: ");
goto cleanup;
}
if (PacketAlertCheck(p1, 2) == 0) {
printf("sid 2 did not alert, but should have: ");
goto cleanup;
}
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 1) != 0) {
printf("sid 1 alerted, but should not have: ");
goto cleanup;
}
if (PacketAlertCheck(p2, 2) != 0) {
printf("sid 2 alerted, but should not have: ");
goto cleanup;
}
SigMatchSignatures(&th_v, de_ctx, det_ctx, p3);
if (PacketAlertCheck(p3, 1) != 0) {
printf("sid 1 alerted, but should not have: ");
goto cleanup;
}
if (PacketAlertCheck(p3, 2) != 0) {
printf("sid 2 alerted, but should not have: ");
goto cleanup;
}
result = 1;
cleanup:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
cleanup_engine:
DetectEngineCtxFree(de_ctx);
end:
return result;
}
/**
*\test Negative test that the negated http_header content matches against a
* http request which holds hold the content.
*/
static int DetectHttpHeaderTest12(void)
{
TcpSession ssn;
Packet *p = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http_buf[] =
"GET /index.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 26\r\n"
"\r\n"
"This is dummy message body\r\n";
uint32_t http_len = sizeof(http_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
"(msg:\"http header test\"; "
"content:!\"User-Agent: Mozilla/5.0 \"; http_header; "
"sid:1;)");
if (de_ctx->sig_list == NULL)
goto end;
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf, http_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
result = 0;
goto end;
}
http_state = f.alstate;
if (http_state == NULL) {
printf("no http state: ");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if ((PacketAlertCheck(p, 1))) {
printf("sid 1 didn't match but should have: ");
goto end;
}
result = 1;
end:
if (de_ctx != NULL)
SigGroupCleanup(de_ctx);
if (de_ctx != NULL)
SigCleanSignatures(de_ctx);
if (de_ctx != NULL)
DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
return result;
}
/**
* \test DetectFragOffsetMatchTest01 is a test for checking the working of
* fragoffset keyword by creating 2 rules and matching a crafted packet
* against them. Only the first one shall trigger.
*/
int DetectFragOffsetMatchTest01 (void)
{
int result = 0;
Packet *p = SCMalloc(SIZE_OF_PACKET);
if (unlikely(p == NULL))
return 0;
Signature *s = NULL;
DecodeThreadVars dtv;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
IPV4Hdr ip4h;
memset(p, 0, SIZE_OF_PACKET);
memset(&ip4h, 0, sizeof(IPV4Hdr));
memset(&dtv, 0, sizeof(DecodeThreadVars));
memset(&th_v, 0, sizeof(ThreadVars));
FlowInitConfig(FLOW_QUIET);
p->src.family = AF_INET;
p->dst.family = AF_INET;
p->src.addr_data32[0] = 0x01020304;
p->dst.addr_data32[0] = 0x04030201;
ip4h.s_ip_src.s_addr = p->src.addr_data32[0];
ip4h.s_ip_dst.s_addr = p->dst.addr_data32[0];
ip4h.ip_off = 0x2222;
p->ip4h = &ip4h;
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx, "alert ip any any -> any any (fragoffset:546; sid:1;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx, "alert ip any any -> any any (fragoffset:5000; sid:2;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1) == 0) {
printf("sid 1 did not alert, but should have: ");
goto cleanup;
} else if (PacketAlertCheck(p, 2)) {
printf("sid 2 alerted, but should not have: ");
goto cleanup;
}
result = 1;
cleanup:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
FlowShutdown();
end:
SCFree(p);
return result;
}
/**
* \test DetectrotoTestSetup02 is a test for a icmpv4 and icmpv6
* protocol setting up in signature.
*/
static int DetectProtoTestSetup02(void)
{
DetectProto dp;
Signature *sig_icmpv4 = NULL;
Signature *sig_icmpv6 = NULL;
Signature *sig_icmp = NULL;
DetectEngineCtx *de_ctx = NULL;
int result = 0;
int i;
memset(&dp, 0, sizeof(dp));
if (DetectProtoInitTest(&de_ctx, &sig_icmpv4, &dp, "icmpv4") == 0) {
printf("failure - imcpv4.\n");
goto end;
}
if (DetectProtoInitTest(&de_ctx, &sig_icmpv6, &dp, "icmpv6") == 0) {
printf("failure - imcpv6.\n");
goto end;
}
if (DetectProtoInitTest(&de_ctx, &sig_icmp, &dp, "icmp") == 0) {
printf("failure - imcp.\n");
goto end;
}
for (i = 0; i < 256 / 8; i++) {
if (i == IPPROTO_ICMP) {
if (!(sig_icmpv4->proto.proto[i / 8] & (1 << (i % 8)))) {
printf("failed in sig matching - icmpv4 - icmpv4.\n");
goto end;
}
continue;
}
if (sig_icmpv4->proto.proto[i / 8] & (1 << (i % 8))) {
printf("failed in sig matching - icmpv4 - others.\n");
goto end;
}
}
for (i = 0; i < 256 / 8; i++) {
if (i == IPPROTO_ICMPV6) {
if (!(sig_icmpv6->proto.proto[i / 8] & (1 << (i % 8)))) {
printf("failed in sig matching - icmpv6 - icmpv6.\n");
goto end;
}
continue;
}
if (sig_icmpv6->proto.proto[i / 8] & (1 << (i % 8))) {
printf("failed in sig matching - icmpv6 - others.\n");
goto end;
}
}
for (i = 0; i < 256 / 8; i++) {
if (i == IPPROTO_ICMP || i == IPPROTO_ICMPV6) {
if (!(sig_icmp->proto.proto[i / 8] & (1 << (i % 8)))) {
printf("failed in sig matching - icmp - icmp.\n");
goto end;
}
continue;
}
if (sig_icmpv6->proto.proto[i / 8] & (1 << (i % 8))) {
printf("failed in sig matching - icmp - others.\n");
goto end;
}
}
result = 1;
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
static int DetectProtoTestSig01(void) {
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx;
int result = 0;
Flow f;
memset(&f, 0, sizeof(Flow));
memset(&th_v, 0, sizeof(th_v));
FLOW_INITIALIZE(&f);
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flags |= PKT_HAS_FLOW;
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert udp any any -> any any "
"(msg:\"Not tcp\"; flow:to_server; sid:1;)");
if (s == NULL)
goto end;
s = s->next = SigInit(de_ctx,"alert ip any any -> any any "
"(msg:\"IP\"; flow:to_server; sid:2;)");
if (s == NULL)
goto end;
s = s->next = SigInit(de_ctx,"alert tcp any any -> any any "
"(msg:\"TCP\"; flow:to_server; sid:3;)");
if (s == NULL)
goto end;
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1)) {
printf("sid 1 alerted, but should not have: ");
goto cleanup;
} else if (PacketAlertCheck(p, 2) == 0) {
printf("sid 2 did not alert, but should have: ");
goto cleanup;
} else if (PacketAlertCheck(p, 3) == 0) {
printf("sid 3 did not alert, but should have: ");
goto cleanup;
}
result = 1;
cleanup:
FLOW_DESTROY(&f);
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
UTHFreePackets(&p, 1);
end:
return result;
}
/**
* \test Check the ftpbounce match, send a get request in three chunks
* + more data.
* \brief This test tests the ftpbounce condition match, based on the
* ftp layer parser
*/
static int DetectFtpbounceTestALMatch02(void)
{
int result = 0;
uint8_t ftpbuf1[] = { 'P','O' };
uint32_t ftplen1 = sizeof(ftpbuf1);
uint8_t ftpbuf2[] = { 'R', 'T' };
uint32_t ftplen2 = sizeof(ftpbuf2);
uint8_t ftpbuf3[] = { ' ', '8','0',',','5' };
uint32_t ftplen3 = sizeof(ftpbuf3);
uint8_t ftpbuf4[] = "8,0,33,10,20\r\n";
uint32_t ftplen4 = sizeof(ftpbuf4);
TcpSession ssn;
Flow f;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p = UTHBuildPacketSrcDst(NULL, 0, IPPROTO_TCP, "1.2.3.4", "5.6.7.8");
FLOW_INITIALIZE(&f);
f.src.address.address_un_data32[0]=0x01020304;
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_FTP;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any "
"(msg:\"Ftp Bounce\"; ftpbounce; sid:1;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v,(void *)de_ctx,(void *)&det_ctx);
FLOWLOCK_WRLOCK(&f);
int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_FTP,
STREAM_TOSERVER, ftpbuf1, ftplen1);
if (r != 0) {
SCLogDebug("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
result = 0;
FLOWLOCK_UNLOCK(&f);
goto end;
}
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_FTP, STREAM_TOSERVER,
ftpbuf2, ftplen2);
if (r != 0) {
SCLogDebug("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
result = 0;
FLOWLOCK_UNLOCK(&f);
goto end;
}
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_FTP, STREAM_TOSERVER,
ftpbuf3, ftplen3);
if (r != 0) {
SCLogDebug("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
result = 0;
FLOWLOCK_UNLOCK(&f);
goto end;
}
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_FTP, STREAM_TOSERVER,
ftpbuf4, ftplen4);
if (r != 0) {
SCLogDebug("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
result = 0;
FLOWLOCK_UNLOCK(&f);
goto end;
}
FLOWLOCK_UNLOCK(&f);
FtpState *ftp_state = f.alstate;
if (ftp_state == NULL) {
SCLogDebug("no ftp state: ");
result = 0;
goto end;
}
if (ftp_state->command != FTP_COMMAND_PORT) {
SCLogDebug("expected command port not detected");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (!(PacketAlertCheck(p, 1))) {
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);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
return result;
}
/**
* \test Check the ftpbounce match
* \brief This test tests the ftpbounce condition match, based on
* the ftp layer parser
*/
static int DetectFtpbounceTestALMatch03(void)
{
int result = 0;
uint8_t ftpbuf1[] = { 'P','O' };
uint32_t ftplen1 = sizeof(ftpbuf1);
uint8_t ftpbuf2[] = { 'R', 'T' };
uint32_t ftplen2 = sizeof(ftpbuf2);
uint8_t ftpbuf3[] = { ' ', '1',',','2',',' };
uint32_t ftplen3 = sizeof(ftpbuf3);
uint8_t ftpbuf4[] = "3,4,10,20\r\n";
uint32_t ftplen4 = sizeof(ftpbuf4);
TcpSession ssn;
Flow f;
Packet *p = SCMalloc(SIZE_OF_PACKET);
if (unlikely(p == NULL))
return 0;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
memset(p, 0, SIZE_OF_PACKET);
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p->src.family = AF_INET;
p->dst.family = AF_INET;
p->src.addr_data32[0] = 0x04030201;
p->payload = NULL;
p->payload_len = 0;
p->proto = IPPROTO_TCP;
FLOW_INITIALIZE(&f);
f.src.address.address_un_data32[0]=0x04030201;
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_FTP;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any "
"(msg:\"Ftp Bounce\"; ftpbounce; sid:1;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v,(void *)de_ctx,(void *)&det_ctx);
FLOWLOCK_WRLOCK(&f);
int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_FTP,
STREAM_TOSERVER, ftpbuf1, ftplen1);
if (r != 0) {
SCLogDebug("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
result = 0;
FLOWLOCK_UNLOCK(&f);
goto end;
}
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_FTP, STREAM_TOSERVER,
ftpbuf2, ftplen2);
if (r != 0) {
SCLogDebug("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
result = 0;
FLOWLOCK_UNLOCK(&f);
goto end;
}
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_FTP, STREAM_TOSERVER,
ftpbuf3, ftplen3);
if (r != 0) {
SCLogDebug("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
result = 0;
FLOWLOCK_UNLOCK(&f);
goto end;
}
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_FTP, STREAM_TOSERVER,
ftpbuf4, ftplen4);
if (r != 0) {
SCLogDebug("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
result = 0;
FLOWLOCK_UNLOCK(&f);
goto end;
}
FLOWLOCK_UNLOCK(&f);
FtpState *ftp_state = f.alstate;
if (ftp_state == NULL) {
SCLogDebug("no ftp state: ");
result = 0;
goto end;
}
if (ftp_state->command != FTP_COMMAND_PORT) {
SCLogDebug("expected command port not detected");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
/* It should not match */
if (!(PacketAlertCheck(p, 1))) {
result = 1;
} else {
SCLogDebug("It should not match here!");
}
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);
FLOW_DESTROY(&f);
SCFree(p);
return result;
}
static int DetectTtlTestSig1(void)
{
Packet *p = PacketGetFromAlloc();
if (unlikely(p == NULL))
return 0;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx;
int result = 0;
IPV4Hdr ip4h;
memset(&th_v, 0, sizeof(th_v));
memset(&ip4h, 0, sizeof(ip4h));
p->src.family = AF_INET;
p->dst.family = AF_INET;
p->proto = IPPROTO_TCP;
ip4h.ip_ttl = 15;
p->ip4h = &ip4h;
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert ip any any -> any any (msg:\"with in ttl limit\"; ttl: >16; sid:1;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert ip any any -> any any (msg:\"Less than 17\"; ttl: <17; sid:2;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert ip any any -> any any (msg:\"Greater than 5\"; ttl:15; sid:3;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert ip any any -> any any (msg:\"Equals tcp\"; ttl: 1-30; sid:4;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1)) {
printf("sid 1 alerted, but should not have: ");
goto cleanup;
} else if (PacketAlertCheck(p, 2) == 0) {
printf("sid 2 did not alert, but should have: ");
goto cleanup;
} else if (PacketAlertCheck(p, 3) == 0) {
printf("sid 3 did not alert, but should have: ");
goto cleanup;
} else if (PacketAlertCheck(p, 4) == 0) {
printf("sid 4 did not alert, but should have: ");
goto cleanup;
}
result = 1;
cleanup:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
end:
SCFree(p);
return result;
}
/**
* \test Used to check the working of recursion_limit counter.
*/
static int PayloadTestSig13(void)
{
uint8_t *buf = (uint8_t *)"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
uint16_t buflen = strlen((char *)buf);
Packet *p = UTHBuildPacket( buf, buflen, IPPROTO_TCP);
int result = 0;
uint16_t mpm_type = MPM_B2G;
char sig[] = "alert tcp any any -> any any (msg:\"dummy\"; "
"content:\"aa\"; content:\"aa\"; distance:0; content:\"aa\"; distance:0; "
"byte_test:1,>,200,0,relative; sid:1;)";
struct timeval tv_start, tv_end, tv_diff;
gettimeofday(&tv_start, NULL);
do {
DecodeThreadVars dtv;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
memset(&dtv, 0, sizeof(DecodeThreadVars));
memset(&th_v, 0, sizeof(th_v));
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
printf("de_ctx == NULL: ");
goto end;
}
de_ctx->inspection_recursion_limit = 3000;
de_ctx->flags |= DE_QUIET;
de_ctx->mpm_matcher = mpm_type;
de_ctx->sig_list = SigInit(de_ctx, sig);
if (de_ctx->sig_list == NULL) {
printf("signature == NULL: ");
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, de_ctx->sig_list->id) != 1) {
goto end;
}
result = 1;
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
if (det_ctx != NULL)
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
if (de_ctx != NULL)
DetectEngineCtxFree(de_ctx);
} while (0);
gettimeofday(&tv_end, NULL);
tv_diff.tv_sec = tv_end.tv_sec - tv_start.tv_sec;
tv_diff.tv_usec = tv_end.tv_usec - tv_start.tv_usec;
printf("%ld.%06ld\n", tv_diff.tv_sec, (long int)tv_diff.tv_usec);
result = 1;
if (p != NULL)
UTHFreePacket(p);
return result;
}
/** \test Check a signature against an unparsable request */
static int DetectHttpMethodSigTest03(void)
{
int result = 0;
Flow f;
uint8_t httpbuf1[] = " ";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
TcpSession ssn;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx;
HtpState *http_state = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
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;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,
"alert tcp any any -> any any "
"(msg:\"Testing http_method\"; "
"content:\"GET\"; "
"http_method; sid:1;)");
if (s == NULL) {
SCLogDebug("Bad signature");
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
FLOWLOCK_WRLOCK(&f);
int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_HTTP,
STREAM_TOSERVER, httpbuf1, httplen1);
if (r != 0) {
SCLogDebug("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
FLOWLOCK_UNLOCK(&f);
goto end;
}
FLOWLOCK_UNLOCK(&f);
http_state = f.alstate;
if (http_state == NULL) {
SCLogDebug("no http state: ");
goto end;
}
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1)) {
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
if (de_ctx != NULL) SigGroupCleanup(de_ctx);
if (de_ctx != NULL) SigCleanSignatures(de_ctx);
if (de_ctx != NULL) DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
return result;
}
/**
* \test Test matching for google in the issuer of a certificate
*
*/
static int DetectTlsIssuerTest02(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
};
/* certificate */
uint8_t certificate[] = {
0x16, 0x03, 0x03, 0x04, 0x93, 0x0b, 0x00, 0x04,
0x8f, 0x00, 0x04, 0x8c, 0x00, 0x04, 0x89, 0x30,
0x82, 0x04, 0x85, 0x30, 0x82, 0x03, 0x6d, 0xa0,
0x03, 0x02, 0x01, 0x02, 0x02, 0x08, 0x5c, 0x19,
0xb7, 0xb1, 0x32, 0x3b, 0x1c, 0xa1, 0x30, 0x0d,
0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
0x01, 0x01, 0x0b, 0x05, 0x00, 0x30, 0x49, 0x31,
0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06,
0x13, 0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11,
0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x0a, 0x47,
0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e,
0x63, 0x31, 0x25, 0x30, 0x23, 0x06, 0x03, 0x55,
0x04, 0x03, 0x13, 0x1c, 0x47, 0x6f, 0x6f, 0x67,
0x6c, 0x65, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72,
0x6e, 0x65, 0x74, 0x20, 0x41, 0x75, 0x74, 0x68,
0x6f, 0x72, 0x69, 0x74, 0x79, 0x20, 0x47, 0x32,
0x30, 0x1e, 0x17, 0x0d, 0x31, 0x36, 0x30, 0x37,
0x31, 0x33, 0x31, 0x33, 0x32, 0x34, 0x35, 0x32,
0x5a, 0x17, 0x0d, 0x31, 0x36, 0x31, 0x30, 0x30,
0x35, 0x31, 0x33, 0x31, 0x36, 0x30, 0x30, 0x5a,
0x30, 0x65, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31,
0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08,
0x0c, 0x0a, 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f,
0x72, 0x6e, 0x69, 0x61, 0x31, 0x16, 0x30, 0x14,
0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x0d, 0x4d,
0x6f, 0x75, 0x6e, 0x74, 0x61, 0x69, 0x6e, 0x20,
0x56, 0x69, 0x65, 0x77, 0x31, 0x13, 0x30, 0x11,
0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x0a, 0x47,
0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e,
0x63, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55,
0x04, 0x03, 0x0c, 0x0b, 0x2a, 0x2e, 0x67, 0x6f,
0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x6e, 0x6f, 0x30,
0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a,
0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01,
0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30,
0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00,
0xa5, 0x0a, 0xb9, 0xb1, 0xca, 0x36, 0xd1, 0xae,
0x22, 0x38, 0x07, 0x06, 0xc9, 0x1a, 0x56, 0x4f,
0xbb, 0xdf, 0xa8, 0x6d, 0xbd, 0xee, 0x76, 0x16,
0xbc, 0x53, 0x3c, 0x03, 0x6a, 0x5c, 0x94, 0x50,
0x87, 0x2f, 0x28, 0xb4, 0x4e, 0xd5, 0x9b, 0x8f,
0xfe, 0x02, 0xde, 0x2a, 0x83, 0x01, 0xf9, 0x45,
0x61, 0x0e, 0x66, 0x0e, 0x24, 0x22, 0xe2, 0x59,
0x66, 0x0d, 0xd3, 0xe9, 0x77, 0x8a, 0x7e, 0x42,
0xaa, 0x5a, 0xf9, 0x05, 0xbf, 0x30, 0xc7, 0x03,
0x2b, 0xdc, 0xa6, 0x9c, 0xe0, 0x9f, 0x0d, 0xf1,
0x28, 0x19, 0xf8, 0xf2, 0x02, 0xfa, 0xbd, 0x62,
0xa0, 0xf3, 0x02, 0x2b, 0xcd, 0xf7, 0x09, 0x04,
0x3b, 0x52, 0xd8, 0x65, 0x4b, 0x4a, 0x70, 0xe4,
0x57, 0xc9, 0x2e, 0x2a, 0xf6, 0x9c, 0x6e, 0xd8,
0xde, 0x01, 0x52, 0xc9, 0x6f, 0xe9, 0xef, 0x82,
0xbc, 0x0b, 0x95, 0xb2, 0xef, 0xcb, 0x91, 0xa6,
0x0b, 0x2d, 0x14, 0xc6, 0x00, 0xa9, 0x33, 0x86,
0x64, 0x00, 0xd4, 0x92, 0x19, 0x53, 0x3d, 0xfd,
0xcd, 0xc6, 0x1a, 0xf2, 0x0e, 0x67, 0xc2, 0x1d,
0x2c, 0xe0, 0xe8, 0x29, 0x97, 0x1c, 0xb6, 0xc4,
0xb2, 0x02, 0x0c, 0x83, 0xb8, 0x60, 0x61, 0xf5,
0x61, 0x2d, 0x73, 0x5e, 0x85, 0x4d, 0xbd, 0x0d,
0xe7, 0x1a, 0x37, 0x56, 0x8d, 0xe5, 0x50, 0x0c,
0xc9, 0x64, 0x4c, 0x11, 0xea, 0xf3, 0xcb, 0x26,
0x34, 0xbd, 0x02, 0xf5, 0xc1, 0xfb, 0xa2, 0xec,
0x27, 0xbb, 0x60, 0xbe, 0x0b, 0xf6, 0xe7, 0x3c,
0x2d, 0xc9, 0xe7, 0xb0, 0x30, 0x28, 0x17, 0x3d,
0x90, 0xf1, 0x63, 0x8e, 0x49, 0xf7, 0x15, 0x78,
0x21, 0xcc, 0x45, 0xe6, 0x86, 0xb2, 0xd8, 0xb0,
0x2e, 0x5a, 0xb0, 0x58, 0xd3, 0xb6, 0x11, 0x40,
0xae, 0x81, 0x1f, 0x6b, 0x7a, 0xaf, 0x40, 0x50,
0xf9, 0x2e, 0x81, 0x8b, 0xec, 0x26, 0x11, 0x3f,
0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x82, 0x01,
0x53, 0x30, 0x82, 0x01, 0x4f, 0x30, 0x1d, 0x06,
0x03, 0x55, 0x1d, 0x25, 0x04, 0x16, 0x30, 0x14,
0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07,
0x03, 0x01, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05,
0x05, 0x07, 0x03, 0x02, 0x30, 0x21, 0x06, 0x03,
0x55, 0x1d, 0x11, 0x04, 0x1a, 0x30, 0x18, 0x82,
0x0b, 0x2a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
0x65, 0x2e, 0x6e, 0x6f, 0x82, 0x09, 0x67, 0x6f,
0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x6e, 0x6f, 0x30,
0x68, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05,
0x07, 0x01, 0x01, 0x04, 0x5c, 0x30, 0x5a, 0x30,
0x2b, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05,
0x07, 0x30, 0x02, 0x86, 0x1f, 0x68, 0x74, 0x74,
0x70, 0x3a, 0x2f, 0x2f, 0x70, 0x6b, 0x69, 0x2e,
0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63,
0x6f, 0x6d, 0x2f, 0x47, 0x49, 0x41, 0x47, 0x32,
0x2e, 0x63, 0x72, 0x74, 0x30, 0x2b, 0x06, 0x08,
0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x30, 0x01,
0x86, 0x1f, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f,
0x2f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x73,
0x31, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65,
0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6f, 0x63, 0x73,
0x70, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e,
0x04, 0x16, 0x04, 0x14, 0xc6, 0x53, 0x87, 0x42,
0x2d, 0xc8, 0xee, 0x7a, 0x62, 0x1e, 0x83, 0xdb,
0x0d, 0xe2, 0x32, 0xeb, 0x8b, 0xaf, 0x69, 0x40,
0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01,
0x01, 0xff, 0x04, 0x02, 0x30, 0x00, 0x30, 0x1f,
0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30,
0x16, 0x80, 0x14, 0x4a, 0xdd, 0x06, 0x16, 0x1b,
0xbc, 0xf6, 0x68, 0xb5, 0x76, 0xf5, 0x81, 0xb6,
0xbb, 0x62, 0x1a, 0xba, 0x5a, 0x81, 0x2f, 0x30,
0x21, 0x06, 0x03, 0x55, 0x1d, 0x20, 0x04, 0x1a,
0x30, 0x18, 0x30, 0x0c, 0x06, 0x0a, 0x2b, 0x06,
0x01, 0x04, 0x01, 0xd6, 0x79, 0x02, 0x05, 0x01,
0x30, 0x08, 0x06, 0x06, 0x67, 0x81, 0x0c, 0x01,
0x02, 0x02, 0x30, 0x30, 0x06, 0x03, 0x55, 0x1d,
0x1f, 0x04, 0x29, 0x30, 0x27, 0x30, 0x25, 0xa0,
0x23, 0xa0, 0x21, 0x86, 0x1f, 0x68, 0x74, 0x74,
0x70, 0x3a, 0x2f, 0x2f, 0x70, 0x6b, 0x69, 0x2e,
0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63,
0x6f, 0x6d, 0x2f, 0x47, 0x49, 0x41, 0x47, 0x32,
0x2e, 0x63, 0x72, 0x6c, 0x30, 0x0d, 0x06, 0x09,
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
0x0b, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00,
0x7b, 0x27, 0x00, 0x46, 0x8f, 0xfd, 0x5b, 0xff,
0xcb, 0x05, 0x9b, 0xf7, 0xf1, 0x68, 0xf6, 0x9a,
0x7b, 0xba, 0x53, 0xdf, 0x63, 0xed, 0x11, 0x94,
0x39, 0xf2, 0xd0, 0x20, 0xcd, 0xa3, 0xc4, 0x98,
0xa5, 0x10, 0x74, 0xe7, 0x10, 0x6d, 0x07, 0xf8,
0x33, 0x87, 0x05, 0x43, 0x0e, 0x64, 0x77, 0x09,
0x18, 0x4f, 0x38, 0x2e, 0x45, 0xae, 0xa8, 0x34,
0x3a, 0xa8, 0x33, 0xac, 0x9d, 0xdd, 0x25, 0x91,
0x59, 0x43, 0xbe, 0x0f, 0x87, 0x16, 0x2f, 0xb5,
0x27, 0xfd, 0xce, 0x2f, 0x35, 0x5d, 0x12, 0xa1,
0x66, 0xac, 0xf7, 0x95, 0x38, 0x0f, 0xe5, 0xb1,
0x18, 0x18, 0xe6, 0x80, 0x52, 0x31, 0x8a, 0x66,
0x02, 0x52, 0x1a, 0xa4, 0x32, 0x6a, 0x61, 0x05,
0xcf, 0x1d, 0xf9, 0x90, 0x73, 0xf0, 0xeb, 0x20,
0x31, 0x7b, 0x2e, 0xc0, 0xb0, 0xfb, 0x5c, 0xcc,
0xdc, 0x76, 0x55, 0x72, 0xaf, 0xb1, 0x05, 0xf4,
0xad, 0xf9, 0xd7, 0x73, 0x5c, 0x2c, 0xbf, 0x0d,
0x84, 0x18, 0x01, 0x1d, 0x4d, 0x08, 0xa9, 0x4e,
0x37, 0xb7, 0x58, 0xc4, 0x05, 0x0e, 0x65, 0x63,
0xd2, 0x88, 0x02, 0xf5, 0x82, 0x17, 0x08, 0xd5,
0x8f, 0x80, 0xc7, 0x82, 0x29, 0xbb, 0xe1, 0x04,
0xbe, 0xf6, 0xe1, 0x8c, 0xbc, 0x3a, 0xf8, 0xf9,
0x56, 0xda, 0xdc, 0x8e, 0xc6, 0xe6, 0x63, 0x98,
0x12, 0x08, 0x41, 0x2c, 0x9d, 0x7c, 0x82, 0x0d,
0x1e, 0xea, 0xba, 0xde, 0x32, 0x09, 0xda, 0x52,
0x24, 0x4f, 0xcc, 0xb6, 0x09, 0x33, 0x8b, 0x00,
0xf9, 0x83, 0xb3, 0xc6, 0xa4, 0x90, 0x49, 0x83,
0x2d, 0x36, 0xd9, 0x11, 0x78, 0xd0, 0x62, 0x9f,
0xc4, 0x8f, 0x84, 0xba, 0x7f, 0xaa, 0x04, 0xf1,
0xd9, 0xa4, 0xad, 0x5d, 0x63, 0xee, 0x72, 0xc6,
0x4d, 0xd1, 0x4b, 0x41, 0x8f, 0x40, 0x0f, 0x7d,
0xcd, 0xb8, 0x2e, 0x5b, 0x6e, 0x21, 0xc9, 0x3d
};
Flow f;
SSLState *ssl_state = NULL;
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
Packet *p3 = NULL;
Signature *s = 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);
p3 = UTHBuildPacketReal(certificate, sizeof(certificate), 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;
p3->flow = &f;
p3->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p3->flowflags |= FLOW_PKT_TOCLIENT;
p3->flowflags |= FLOW_PKT_ESTABLISHED;
p3->pcap_cnt = 3;
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 tls_cert_issuer\"; "
"tls_cert_issuer; content:\"google\"; nocase; "
"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, client_hello,
sizeof(client_hello));
FLOWLOCK_UNLOCK(&f);
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));
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
server_hello, sizeof(server_hello));
FLOWLOCK_UNLOCK(&f);
FAIL_IF(r != 0);
SigMatchSignatures(&tv, de_ctx, det_ctx, p2);
FAIL_IF(PacketAlertCheck(p2, 1));
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
certificate, sizeof(certificate));
FLOWLOCK_UNLOCK(&f);
FAIL_IF(r != 0);
SigMatchSignatures(&tv, de_ctx, det_ctx, p3);
FAIL_IF_NOT(PacketAlertCheck(p3, 1));
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
if (det_ctx != NULL)
DetectEngineThreadCtxDeinit(&tv, det_ctx);
if (de_ctx != NULL)
SigGroupCleanup(de_ctx);
if (de_ctx != NULL)
DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePacket(p1);
UTHFreePacket(p2);
UTHFreePacket(p3);
PASS;
}
/** \test simple google.com query matching (TCP splicing) */
static int DetectDnsQueryTest04(void)
{
/* google.com */
uint8_t buf1[] = { 0x00, 28,
0x10, 0x32, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, };
uint8_t buf2[] = { 0x06, 0x67, 0x6F, 0x6F, 0x67, 0x6C,
0x65, 0x03, 0x63, 0x6F, 0x6D, 0x00,
0x00, 0x10, 0x00, 0x01, };
Flow f;
RSDNSState *dns_state = NULL;
Packet *p1 = NULL, *p2 = 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));
p1 = UTHBuildPacketReal(buf1, sizeof(buf1), IPPROTO_TCP,
"192.168.1.5", "192.168.1.1",
41424, 53);
p2 = UTHBuildPacketReal(buf2, sizeof(buf2), IPPROTO_TCP,
"192.168.1.5", "192.168.1.1",
41424, 53);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
f.proto = IPPROTO_TCP;
f.protomap = FlowGetProtoMapping(f.proto);
f.alproto = ALPROTO_DNS;
p1->flow = &f;
p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
p1->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
p2->flow = &f;
p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
p2->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
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 dns any any -> any any "
"(msg:\"Test dns_query option\"; "
"dns_query; content:\"google\"; nocase; 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_DNS,
STREAM_TOSERVER, buf1, sizeof(buf1));
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
FLOWLOCK_UNLOCK(&f);
FAIL;
}
FLOWLOCK_UNLOCK(&f);
dns_state = f.alstate;
FAIL_IF_NULL(dns_state);
/* do detect */
SigMatchSignatures(&tv, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sig 1 alerted, but it should not have: ");
FAIL;
}
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_DNS, STREAM_TOSERVER,
buf2, sizeof(buf2));
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0\n", r);
FLOWLOCK_UNLOCK(&f);
FAIL;
}
FLOWLOCK_UNLOCK(&f);
/* do detect */
SigMatchSignatures(&tv, de_ctx, det_ctx, p2);
if (!(PacketAlertCheck(p2, 1))) {
printf("sig 1 didn't alert, but it should have: ");
FAIL;
}
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
if (det_ctx != NULL)
DetectEngineThreadCtxDeinit(&tv, det_ctx);
if (de_ctx != NULL)
SigGroupCleanup(de_ctx);
if (de_ctx != NULL)
DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePacket(p1);
UTHFreePacket(p2);
PASS;
}
static int DetectSslVersionTestDetect02(void)
{
int result = 0;
Flow f;
uint8_t sslbuf1[] = { 0x16 };
uint32_t ssllen1 = sizeof(sslbuf1);
uint8_t sslbuf2[] = { 0x03 };
uint32_t ssllen2 = sizeof(sslbuf2);
uint8_t sslbuf3[] = { 0x01 };
uint32_t ssllen3 = sizeof(sslbuf3);
uint8_t sslbuf4[] = { 0x01, 0x00, 0x00, 0xad, 0x03, 0x02 };
uint32_t ssllen4 = sizeof(sslbuf4);
TcpSession ssn;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
f.alproto = ALPROTO_TLS;
StreamTcpInitConfig(TRUE);
FlowL7DataPtrInit(&f);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert tls any any -> any any (msg:\"TLS\"; ssl_version:tls1.0; sid:1;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParse(&f, ALPROTO_TLS, STREAM_TOSERVER, sslbuf1, ssllen1);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
goto end;
}
r = AppLayerParse(&f, ALPROTO_TLS, STREAM_TOSERVER, sslbuf2, ssllen2);
if (r != 0) {
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
goto end;
}
r = AppLayerParse(&f, ALPROTO_TLS, STREAM_TOSERVER, sslbuf3, ssllen3);
if (r != 0) {
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
goto end;
}
r = AppLayerParse(&f, ALPROTO_TLS, STREAM_TOSERVER, sslbuf4, ssllen4);
if (r != 0) {
printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
goto end;
}
TlsState *app_state = f.aldata[AlpGetStateIdx(ALPROTO_TLS)];
if (app_state == NULL) {
printf("no ssl state: ");
goto end;
}
if (app_state->client_content_type != 0x16) {
printf("expected content_type %" PRIu8 ", got %" PRIu8 ": ", 0x16, app_state->client_content_type);
goto end;
}
if (app_state->client_version != TLS_VERSION_10) {
printf("expected version %04" PRIu16 ", got %04" PRIu16 ": ", TLS_VERSION_10, app_state->client_version);
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (!(PacketAlertCheck(p, 1))) {
printf("signature 1 didn't match while it should have: ");
goto end;
}
result = 1;
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
FlowL7DataPtrFree(&f);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
return result;
}
/** \test simple google.com query matching (TCP splicing) */
static int DetectDnsQueryTest05(void)
{
/* google.com in 2 chunks (buf1 and buf2) */
uint8_t buf1[] = { 0x00, 28, /* len 28 */
0x10, 0x32, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, };
uint8_t buf2[] = { 0x06, 0x67, 0x6F, 0x6F, 0x67, 0x6C,
0x65, 0x03, 0x63, 0x6F, 0x6D, 0x00,
0x00, 0x10, 0x00, 0x01, };
uint8_t buf3[] = { 0x00, 44, /* len 44 */
0x10, 0x32, /* tx id */
0x81, 0x80, /* flags: resp, recursion desired, recusion available */
0x00, 0x01, /* 1 query */
0x00, 0x01, /* 1 answer */
0x00, 0x00, 0x00, 0x00, /* no auth rr, additional rr */
/* query record */
0x06, 0x67, 0x6F, 0x6F, 0x67, 0x6C, /* name */
0x65, 0x03, 0x63, 0x6F, 0x6D, 0x00, /* name cont */
0x00, 0x01, 0x00, 0x01, /* type a, class in */
/* answer */
0xc0, 0x0c, /* ref to name in query above */
0x00, 0x01, 0x00, 0x01, /* type a, class in */
0x00, 0x01, 0x40, 0xef, /* ttl */
0x00, 0x04, /* data len */
0x01, 0x02, 0x03, 0x04 }; /* addr */
/* google.net */
uint8_t buf4[] = { 0x00, 28, /* len 28 */
0x11, 0x33, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x06, 0x67, 0x6F, 0x6F, 0x67, 0x6C,
0x65, 0x03, 0x6E, 0x65, 0x74, 0x00,
0x00, 0x10, 0x00, 0x01, };
Flow f;
RSDNSState *dns_state = NULL;
Packet *p1 = NULL, *p2 = NULL, *p3 = NULL, *p4 = 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));
p1 = UTHBuildPacketReal(buf1, sizeof(buf1), IPPROTO_TCP,
"192.168.1.5", "192.168.1.1",
41424, 53);
p2 = UTHBuildPacketReal(buf2, sizeof(buf2), IPPROTO_TCP,
"192.168.1.5", "192.168.1.1",
41424, 53);
p3 = UTHBuildPacketReal(buf3, sizeof(buf3), IPPROTO_TCP,
"192.168.1.5", "192.168.1.1",
41424, 53);
p4 = UTHBuildPacketReal(buf4, sizeof(buf4), IPPROTO_TCP,
"192.168.1.5", "192.168.1.1",
41424, 53);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
f.proto = IPPROTO_TCP;
f.protomap = FlowGetProtoMapping(f.proto);
f.alproto = ALPROTO_DNS;
p1->flow = &f;
p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
p1->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
p2->flow = &f;
p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
p2->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
p3->flow = &f;
p3->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
p3->flowflags |= FLOW_PKT_TOCLIENT|FLOW_PKT_ESTABLISHED;
p4->flow = &f;
p4->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
p4->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
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 dns any any -> any any "
"(msg:\"Test dns_query option\"; "
"dns_query; content:\"google.com\"; nocase; sid:1;)");
FAIL_IF_NULL(s);
s = DetectEngineAppendSig(de_ctx, "alert dns any any -> any any "
"(msg:\"Test dns_query option\"; "
"dns_query; content:\"google.net\"; nocase; sid:2;)");
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_DNS,
STREAM_TOSERVER, buf1, sizeof(buf1));
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
FLOWLOCK_UNLOCK(&f);
FAIL;
}
FLOWLOCK_UNLOCK(&f);
dns_state = f.alstate;
FAIL_IF_NULL(dns_state);
/* do detect */
SigMatchSignatures(&tv, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("(p1) sig 1 alerted, but it should not have: ");
FAIL;
}
if (PacketAlertCheck(p1, 2)) {
printf("(p1) sig 2 did alert, but it should not have: ");
FAIL;
}
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_DNS, STREAM_TOSERVER,
buf2, sizeof(buf2));
if (r != 0) {
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
FLOWLOCK_UNLOCK(&f);
FAIL;
}
FLOWLOCK_UNLOCK(&f);
/* do detect */
SigMatchSignatures(&tv, de_ctx, det_ctx, p2);
if (!(PacketAlertCheck(p2, 1))) {
printf("sig 1 didn't alert, but it should have: ");
FAIL;
}
if (PacketAlertCheck(p2, 2)) {
printf("(p2) sig 2 did alert, but it should not have: ");
FAIL;
}
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_DNS, STREAM_TOCLIENT,
buf3, sizeof(buf3));
if (r != 0) {
printf("toclient chunk 1 returned %" PRId32 ", expected 0: ", r);
FLOWLOCK_UNLOCK(&f);
FAIL;
}
FLOWLOCK_UNLOCK(&f);
/* do detect */
SigMatchSignatures(&tv, de_ctx, det_ctx, p3);
if (PacketAlertCheck(p3, 1)) {
printf("sig 1 did alert, but it should not have: ");
FAIL;
}
if (PacketAlertCheck(p3, 2)) {
printf("(p3) sig 2 did alert, but it should not have: ");
FAIL;
}
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_DNS, STREAM_TOSERVER,
buf4, sizeof(buf4));
if (r != 0) {
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
FLOWLOCK_UNLOCK(&f);
FAIL;
}
FLOWLOCK_UNLOCK(&f);
/* do detect */
SigMatchSignatures(&tv, de_ctx, det_ctx, p4);
if (PacketAlertCheck(p4, 1)) {
printf("(p4) sig 1 did alert, but it should not have: ");
FAIL;
}
if (!(PacketAlertCheck(p4, 2))) {
printf("sig 1 didn't alert, but it should have: ");
FAIL;
}
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
if (det_ctx != NULL)
DetectEngineThreadCtxDeinit(&tv, det_ctx);
if (de_ctx != NULL)
SigGroupCleanup(de_ctx);
if (de_ctx != NULL)
DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePacket(p1);
UTHFreePacket(p2);
UTHFreePacket(p3);
UTHFreePacket(p4);
PASS;
}
/** \test Check the signature working to alert when http_stat_msg is used with
* negated content . */
static int DetectHttpStatMsgSigTest03(void)
{
int result = 0;
Flow f;
uint8_t httpbuf1[] = "POST / HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
uint8_t httpbuf2[] = "HTTP/1.0 200 OK\r\n\r\n";
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
TcpSession ssn;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
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;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOCLIENT;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any (msg:"
"\"HTTP status message\"; content:\"ok\"; "
"nocase; http_stat_msg; sid:1;)");
if (s == NULL) {
goto end;
}
s->next = SigInit(de_ctx,"alert http any any -> any any (msg:\"HTTP "
"Status message nocase\"; content:!\"Not\"; "
"http_stat_msg; sid:2;)");
if (s->next == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
FLOWLOCK_WRLOCK(&f);
int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_HTTP,
STREAM_TOSERVER, httpbuf1, httplen1);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
result = 0;
FLOWLOCK_UNLOCK(&f);
goto end;
}
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_HTTP,
STREAM_TOCLIENT, httpbuf2, httplen2);
if (r != 0) {
printf("toclient chunk 1 returned %" PRId32 ", expected 0: ", r);
result = 0;
FLOWLOCK_UNLOCK(&f);
goto end;
}
FLOWLOCK_UNLOCK(&f);
http_state = f.alstate;
if (http_state == NULL) {
printf("no http state: ");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (! PacketAlertCheck(p, 1)) {
printf("sid 1 didn't matched but should have: ");
goto end;
}
if (! PacketAlertCheck(p, 2)) {
printf("sid 2 didn't matched but should have: ");
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
if (det_ctx != NULL) {
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
}
if (de_ctx != NULL) {
SigGroupCleanup(de_ctx);
DetectEngineCtxFree(de_ctx);
}
StreamTcpFreeConfig(TRUE);
UTHFreePackets(&p, 1);
return result;
}
/** \test simple google.com query matching, pcre */
static int DetectDnsQueryTest06(void)
{
/* google.com */
uint8_t buf[] = { 0x10, 0x32, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x06, 0x67, 0x6F, 0x6F, 0x67, 0x6C,
0x65, 0x03, 0x63, 0x6F, 0x6D, 0x00,
0x00, 0x10, 0x00, 0x01, };
Flow f;
RSDNSState *dns_state = NULL;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars tv;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&tv, 0, sizeof(ThreadVars));
memset(&f, 0, sizeof(Flow));
p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_UDP,
"192.168.1.5", "192.168.1.1",
41424, 53);
FLOW_INITIALIZE(&f);
f.flags |= FLOW_IPV4;
f.proto = IPPROTO_UDP;
f.protomap = FlowGetProtoMapping(f.proto);
p->flow = &f;
p->flags |= PKT_HAS_FLOW;
p->flowflags |= FLOW_PKT_TOSERVER;
f.alproto = ALPROTO_DNS;
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 dns any any -> any any "
"(msg:\"Test dns_query option\"; "
"dns_query; content:\"google\"; nocase; "
"pcre:\"/google\\.com$/i\"; sid:1;)");
FAIL_IF_NULL(s);
s = DetectEngineAppendSig(de_ctx, "alert dns any any -> any any "
"(msg:\"Test dns_query option\"; "
"dns_query; content:\"google\"; nocase; "
"pcre:\"/^\\.[a-z]{2,3}$/iR\"; sid:2;)");
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_DNS,
STREAM_TOSERVER, buf, sizeof(buf));
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
FLOWLOCK_UNLOCK(&f);
FAIL;
}
FLOWLOCK_UNLOCK(&f);
dns_state = f.alstate;
FAIL_IF_NULL(dns_state);
/* do detect */
SigMatchSignatures(&tv, de_ctx, det_ctx, p);
if (!(PacketAlertCheck(p, 1))) {
printf("sig 1 didn't alert, but it should have: ");
FAIL;
}
if (!(PacketAlertCheck(p, 2))) {
printf("sig 2 didn't alert, but it should have: ");
FAIL;
}
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
if (det_ctx != NULL)
DetectEngineThreadCtxDeinit(&tv, det_ctx);
if (de_ctx != NULL)
SigGroupCleanup(de_ctx);
if (de_ctx != NULL)
DetectEngineCtxFree(de_ctx);
FLOW_DESTROY(&f);
UTHFreePacket(p);
PASS;
}
static int DetectSslVersionTestDetect03(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
Flow f;
uint8_t sslbuf1[] = { 0x16 };
uint32_t ssllen1 = sizeof(sslbuf1);
uint8_t sslbuf2[] = { 0x03 };
uint32_t ssllen2 = sizeof(sslbuf2);
uint8_t sslbuf3[] = { 0x01 };
uint32_t ssllen3 = sizeof(sslbuf3);
uint8_t sslbuf4[] = { 0x01, 0x00, 0x00, 0xad, 0x03, 0x02 };
uint32_t ssllen4 = sizeof(sslbuf4);
TcpSession ssn;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p->tcph->th_seq = htonl(1000);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
f.alproto = ALPROTO_TLS;
f.proto = p->proto;
StreamTcpInitConfig(TRUE);
StreamMsg *stream_msg = StreamMsgGetFromPool();
if (stream_msg == NULL) {
printf("no stream_msg: ");
goto end;
}
memcpy(stream_msg->data, sslbuf4, ssllen4);
stream_msg->data_len = ssllen4;
ssn.toserver_smsg_head = stream_msg;
ssn.toserver_smsg_tail = stream_msg;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:\"TLS\"; ssl_version:tls1.0; content:\"|01 00 00 AD|\"; sid:1;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SCMutexLock(&f.m);
int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_TLS, STREAM_TOSERVER, sslbuf1, ssllen1);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
SCMutexUnlock(&f.m);
goto end;
}
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_TLS, STREAM_TOSERVER, sslbuf2, ssllen2);
if (r != 0) {
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
SCMutexUnlock(&f.m);
goto end;
}
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_TLS, STREAM_TOSERVER, sslbuf3, ssllen3);
if (r != 0) {
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
SCMutexUnlock(&f.m);
goto end;
}
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_TLS, STREAM_TOSERVER, sslbuf4, ssllen4);
if (r != 0) {
printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
SCMutexUnlock(&f.m);
goto end;
}
SCMutexUnlock(&f.m);
SSLState *app_state = f.alstate;
if (app_state == NULL) {
printf("no ssl state: ");
goto end;
}
if (app_state->client_connp.content_type != 0x16) {
printf("expected content_type %" PRIu8 ", got %" PRIu8 ": ", 0x16, app_state->client_connp.content_type);
goto end;
}
if (app_state->client_connp.version != TLS_VERSION_10) {
printf("expected version %04" PRIu16 ", got %04" PRIu16 ": ", TLS_VERSION_10, app_state->client_connp.version);
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (!(PacketAlertCheck(p, 1))) {
printf("signature 1 didn't match while it should have: ");
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
if (de_ctx != NULL) {
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
}
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
return result;
}
/**
* \test DetectIcmpIdMatchTest02 is a test for checking the working of
* icmp_id keyword by creating 1 rule and matching a crafted packet
* against them. The packet is an ICMP packet with no "id" field,
* therefore the rule should not trigger.
*/
int DetectIcmpIdMatchTest02 (void)
{
int result = 0;
uint8_t raw_icmpv4[] = {
0x0b, 0x00, 0x8a, 0xdf, 0x00, 0x00, 0x00, 0x00,
0x45, 0x00, 0x00, 0x14, 0x25, 0x0c, 0x00, 0x00,
0xff, 0x11, 0x00, 0x00, 0x85, 0x64, 0xea, 0x5b,
0x51, 0xa6, 0xbb, 0x35, 0x59, 0x8a, 0x5a, 0xe2,
0x00, 0x14, 0x00, 0x00 };
Packet *p = PacketGetFromAlloc();
if (unlikely(p == NULL))
return 0;
Signature *s = NULL;
DecodeThreadVars dtv;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
IPV4Hdr ip4h;
memset(&ip4h, 0, sizeof(IPV4Hdr));
memset(&dtv, 0, sizeof(DecodeThreadVars));
memset(&th_v, 0, sizeof(ThreadVars));
FlowInitConfig(FLOW_QUIET);
p->src.addr_data32[0] = 0x01020304;
p->dst.addr_data32[0] = 0x04030201;
ip4h.s_ip_src.s_addr = p->src.addr_data32[0];
ip4h.s_ip_dst.s_addr = p->dst.addr_data32[0];
p->ip4h = &ip4h;
DecodeICMPV4(&th_v, &dtv, p, raw_icmpv4, sizeof(raw_icmpv4), NULL);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx, "alert icmp any any -> any any (icmp_id:0; sid:1;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1)) {
printf("sid 1 alerted, but should not have: ");
goto cleanup;
}
result = 1;
cleanup:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
FlowShutdown();
end:
SCFree(p);
return result;
}
/**
* \test Check the signature working to alert against set-cookie
*/
static int DetectHttpCookieSigTest08(void)
{
int result = 0;
Flow f;
uint8_t httpbuf_request[] =
"GET / HTTP/1.1\r\n"
"User-Agent: Mozilla/1.0\r\n"
"\r\n";
uint32_t httpbuf_request_len = sizeof(httpbuf_request) - 1; /* minus the \0 */
uint8_t httpbuf_response[] =
"HTTP/1.1 200 OK\r\n"
"Set-Cookie: response_user_agent\r\n"
"\r\n";
uint32_t httpbuf_response_len = sizeof(httpbuf_response) - 1; /* minus the \0 */
TcpSession ssn;
Packet *p1 = NULL, *p2 = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.proto = IPPROTO_TCP;
f.flags |= FLOW_IPV4;
f.alproto = ALPROTO_HTTP;
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOCLIENT;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
"(flow:to_client; content:\"response_user_agent\"; "
"http_cookie; sid:1;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
/* request */
SCMutexLock(&f.m);
int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER,
httpbuf_request, httpbuf_request_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
result = 0;
SCMutexUnlock(&f.m);
goto end;
}
SCMutexUnlock(&f.m);
http_state = f.alstate;
if (http_state == NULL) {
printf("no http state: ");
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
goto end;
}
/* response */
SCMutexLock(&f.m);
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOCLIENT,
httpbuf_response, httpbuf_response_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
result = 0;
SCMutexUnlock(&f.m);
goto end;
}
SCMutexUnlock(&f.m);
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 1)) {
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
if (det_ctx != NULL) {
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
}
if (de_ctx != NULL) {
SigGroupCleanup(de_ctx);
DetectEngineCtxFree(de_ctx);
}
StreamTcpFreeConfig(TRUE);
UTHFreePackets(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
/**
* \test Test that the http_method content matches against a http request
* which holds the content.
*/
static int DetectEngineHttpMethodTest10(void)
{
TcpSession ssn;
Packet *p = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http_buf[] =
"CONNECT /index.html HTTP/1.0\r\n"
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
uint32_t http_len = sizeof(http_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
"(msg:\"http header test\"; "
"content:\"CO\"; http_method; "
"content:\"EC\"; within:4; http_method; "
"sid:1;)");
if (de_ctx->sig_list == NULL)
goto end;
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf, http_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
result = 0;
goto end;
}
http_state = f.alstate;
if (http_state == NULL) {
printf("no http state: ");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (!PacketAlertCheck(p, 1)) {
printf("sid 1 didn't match but should have: ");
goto end;
}
result = 1;
end:
if (de_ctx != NULL)
SigGroupCleanup(de_ctx);
if (de_ctx != NULL)
SigCleanSignatures(de_ctx);
if (de_ctx != NULL)
DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
return result;
}
/**
* \test Test isdataat option for dce sig.
*/
int DetectIsdataatTestParse05(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
Signature *s = NULL;
DetectIsdataatData *data = NULL;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(msg:\"Testing bytejump_body\"; "
"dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
"dce_stub_data; "
"content:one; distance:0; "
"isdataat:4,relative; sid:1;)");
if (de_ctx->sig_list == NULL) {
result = 0;
goto end;
}
s = de_ctx->sig_list;
if (s->sm_lists_tail[DETECT_SM_LIST_DMATCH] == NULL) {
result = 0;
goto end;
}
result &= (s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->type == DETECT_ISDATAAT);
data = (DetectIsdataatData *)s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->ctx;
if ( !(data->flags & ISDATAAT_RELATIVE) ||
(data->flags & ISDATAAT_RAWBYTES) ) {
result = 0;
goto end;
}
s->next = SigInit(de_ctx, "alert tcp any any -> any any "
"(msg:\"Testing bytejump_body\"; "
"dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
"dce_stub_data; "
"content:one; distance:0; "
"isdataat:4,relative; sid:1;)");
if (s->next == NULL) {
result = 0;
goto end;
}
s = s->next;
if (s->sm_lists_tail[DETECT_SM_LIST_DMATCH] == NULL) {
result = 0;
goto end;
}
result &= (s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->type == DETECT_ISDATAAT);
data = (DetectIsdataatData *)s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->ctx;
if ( !(data->flags & ISDATAAT_RELATIVE) ||
(data->flags & ISDATAAT_RAWBYTES) ) {
result = 0;
goto end;
}
s->next = SigInit(de_ctx, "alert tcp any any -> any any "
"(msg:\"Testing bytejump_body\"; "
"dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
"dce_stub_data; "
"content:one; distance:0; "
"isdataat:4,relative,rawbytes; sid:1;)");
if (s->next == NULL) {
result = 0;
goto end;
}
s = s->next;
if (s->sm_lists_tail[DETECT_SM_LIST_DMATCH] == NULL) {
result = 0;
goto end;
}
result &= (s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->type == DETECT_ISDATAAT);
data = (DetectIsdataatData *)s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->ctx;
if ( !(data->flags & ISDATAAT_RELATIVE) ||
!(data->flags & ISDATAAT_RAWBYTES) ) {
result = 0;
goto end;
}
s->next = SigInit(de_ctx, "alert tcp any any -> any any "
"(msg:\"Testing bytejump_body\"; "
"content:one; isdataat:4,relative,rawbytes; sid:1;)");
if (s->next == NULL) {
result = 0;
goto end;
}
s = s->next;
if (s->sm_lists_tail[DETECT_SM_LIST_DMATCH] != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/** \test Send a get request in three chunks + more data. */
static int DetectTlsVersionTestDetect01(void) {
int result = 0;
Flow f;
uint8_t tlsbuf1[] = { 0x16 };
uint32_t tlslen1 = sizeof(tlsbuf1);
uint8_t tlsbuf2[] = { 0x03 };
uint32_t tlslen2 = sizeof(tlsbuf2);
uint8_t tlsbuf3[] = { 0x01 };
uint32_t tlslen3 = sizeof(tlsbuf3);
uint8_t tlsbuf4[] = { 0x01, 0x00, 0x00, 0xad, 0x03, 0x01 };
uint32_t tlslen4 = sizeof(tlsbuf4);
TcpSession ssn;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
f.alproto = ALPROTO_TLS;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert tls any any -> any any (msg:\"TLS\"; tls.version:1.0; sid:1;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SCMutexLock(&f.m);
int r = AppLayerParse(NULL, &f, ALPROTO_TLS, STREAM_TOSERVER, tlsbuf1, tlslen1);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
SCMutexUnlock(&f.m);
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_TLS, STREAM_TOSERVER, tlsbuf2, tlslen2);
if (r != 0) {
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
SCMutexUnlock(&f.m);
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_TLS, STREAM_TOSERVER, tlsbuf3, tlslen3);
if (r != 0) {
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
SCMutexUnlock(&f.m);
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_TLS, STREAM_TOSERVER, tlsbuf4, tlslen4);
if (r != 0) {
printf("toserver chunk 4 returned %" PRId32 ", expected 0: ", r);
SCMutexUnlock(&f.m);
goto end;
}
SCMutexUnlock(&f.m);
SSLState *ssl_state = f.alstate;
if (ssl_state == NULL) {
printf("no tls state: ");
goto end;
}
if (ssl_state->client_connp.content_type != 0x16) {
printf("expected content_type %" PRIu8 ", got %" PRIu8 ": ",
0x16, ssl_state->client_connp.content_type);
goto end;
}
if (ssl_state->client_connp.version != TLS_VERSION_10) {
printf("expected version %04" PRIu16 ", got %04" PRIu16 ": ",
TLS_VERSION_10, ssl_state->client_connp.version);
goto end;
}
SCLogDebug("ssl_state is at %p, ssl_state->server_version 0x%02X "
"ssl_state->client_version 0x%02X",
ssl_state, ssl_state->server_connp.version,
ssl_state->client_connp.version);
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (!(PacketAlertCheck(p, 1))) {
goto end;
}
result = 1;
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
return result;
}
static int FlowBitsTestSig08(void)
{
uint8_t *buf = (uint8_t *)
"GET /one/ HTTP/1.1\r\n"
"Host: one.example.org\r\n"
"\r\n";
uint16_t buflen = strlen((char *)buf);
Packet *p = SCMalloc(SIZE_OF_PACKET);
if (unlikely(p == NULL))
return 0;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
DetectEngineCtx *de_ctx = NULL;
Flow f;
GenericVar flowvar, *gv = NULL;
int result = 0;
int idx = 0;
memset(p, 0, SIZE_OF_PACKET);
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(Flow));
memset(&flowvar, 0, sizeof(GenericVar));
FLOW_INITIALIZE(&f);
p->flow = &f;
p->flow->flowvar = &flowvar;
p->src.family = AF_INET;
p->dst.family = AF_INET;
p->payload = buf;
p->payload_len = buflen;
p->proto = IPPROTO_TCP;
de_ctx = DetectEngineCtxInit();
FAIL_IF_NULL(de_ctx);
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert ip any any -> any any (msg:\"Flowbit set\"; flowbits:set,myflow2; sid:10;)");
FAIL_IF_NULL(s);
s = s->next = SigInit(de_ctx,"alert ip any any -> any any (msg:\"Flowbit unset\"; flowbits:toggle,myflow2; sid:11;)");
FAIL_IF_NULL(s);
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
idx = VariableNameGetIdx(de_ctx, "myflow", VAR_TYPE_FLOW_BIT);
gv = p->flow->flowvar;
for ( ; gv != NULL; gv = gv->next) {
if (gv->type == DETECT_FLOWBITS && gv->idx == idx) {
result = 1;
}
}
FAIL_IF(result);
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
if(gv) GenericVarFree(gv);
FLOW_DESTROY(&f);
SCFree(p);
PASS;
}
int AlertFastLogTest02()
{
int result = 0;
uint8_t *buf = (uint8_t *) "GET /one/ HTTP/1.1\r\n"
"Host: one.example.org\r\n";
uint16_t buflen = strlen((char *)buf);
Packet *p = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx;
memset(&th_v, 0, sizeof(th_v));
p = UTHBuildPacket(buf, buflen, IPPROTO_TCP);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
return result;
}
de_ctx->flags |= DE_QUIET;
SCClassConfGenerateValidDummyClassConfigFD01();
SCClassConfLoadClassficationConfigFile(de_ctx);
SCClassConfDeleteDummyClassificationConfigFD();
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(msg:\"FastLog test\"; content:\"GET\"; "
"Classtype:unknown; sid:1;)");
result = (de_ctx->sig_list != NULL);
if (result == 0)
printf("sig parse failed: ");
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (p->alerts.cnt == 1) {
result = (strcmp(p->alerts.alerts[0].s->class_msg, "Unknown Traffic") != 0);
if (result == 0)
printf("p->alerts.alerts[0].class_msg %s: ", p->alerts.alerts[0].s->class_msg);
result = (strcmp(p->alerts.alerts[0].s->class_msg,
"Unknown are we") == 0);
if (result == 0)
printf("p->alerts.alerts[0].class_msg %s: ", p->alerts.alerts[0].s->class_msg);
} else {
result = 0;
}
#ifdef __SC_CUDA_SUPPORT__
B2gCudaKillDispatcherThreadRC();
if (SCCudaHlPushCudaContextFromModule("SC_RULES_CONTENT_B2G_CUDA") == -1) {
printf("Call to SCCudaHlPushCudaContextForModule() failed\n");
return 0;
}
#endif
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
UTHFreePackets(&p, 1);
return result;
}
/**
* \test DetectICodeMatchTest01 is a test for checking the working of icode
* keyword by creating 5 rules and matching a crafted packet against
* them. 4 out of 5 rules shall trigger.
*/
int DetectICodeMatchTest01(void) {
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
p = UTHBuildPacket(NULL, 0, IPPROTO_ICMP);
p->icmpv4h->code = 10;
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert icmp any any -> any any (icode:10; sid:1;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert icmp any any -> any any (icode:<15; sid:2;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert icmp any any -> any any (icode:>20; sid:3;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert icmp any any -> any any (icode:8<>20; sid:4;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert icmp any any -> any any (icode:20<>8; sid:5;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1) == 0) {
SCLogDebug("sid 1 did not alert, but should have");
goto cleanup;
} else if (PacketAlertCheck(p, 2) == 0) {
SCLogDebug("sid 2 did not alert, but should have");
goto cleanup;
} else if (PacketAlertCheck(p, 3)) {
SCLogDebug("sid 3 alerted, but should not have");
goto cleanup;
} else if (PacketAlertCheck(p, 4) == 0) {
SCLogDebug("sid 4 did not alert, but should have");
goto cleanup;
} else if (PacketAlertCheck(p, 5) == 0) {
SCLogDebug("sid 5 did not alert, but should have");
goto cleanup;
}
result = 1;
cleanup:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
DetectEngineCtxFree(de_ctx);
UTHFreePackets(&p, 1);
end:
return result;
}
static int DetectHttpRequestLineWrapper(const char *sig, const int expectation)
{
TcpSession ssn;
Packet *p = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http_buf[] =
"GET /index.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"User-Agent: This is dummy message body\r\n"
"Content-Type: text/html\r\n"
"\r\n";
uint32_t http_len = sizeof(http_buf) - 1;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
FAIL_IF_NULL(alp_tctx);
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FAIL_IF_NULL(p);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.proto = IPPROTO_TCP;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
de_ctx = DetectEngineCtxInit();
FAIL_IF_NULL(de_ctx);
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, sig);
FAIL_IF_NULL(de_ctx->sig_list);
int sid = de_ctx->sig_list->id;
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParserParse(&th_v, alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf, http_len);
FAIL_IF(r != 0);
http_state = f.alstate;
FAIL_IF_NULL(http_state);
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
r = PacketAlertCheck(p, sid);
FAIL_IF_NOT(r == expectation);
AppLayerParserThreadCtxFree(alp_tctx);
DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
PASS;
}
