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suricata/src/detect-engine-hrud.c

3531 lines
95 KiB
C

/* Copyright (C) 2007-2010 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.
*/
/**
* \ingroup httplayer
*
* @{
*/
/** \file
*
* \author Anoop Saldanha <anoopsaldanha@gmail.com>
*
* \brief Handle HTTP raw uri match
*/
#include "suricata-common.h"
#include "suricata.h"
#include "decode.h"
#include "detect.h"
#include "detect-engine.h"
#include "detect-engine-hrud.h"
#include "detect-engine-mpm.h"
#include "detect-parse.h"
#include "detect-engine-state.h"
#include "detect-engine-content-inspection.h"
#include "flow-util.h"
#include "util-debug.h"
#include "util-print.h"
#include "flow.h"
#include "app-layer-parser.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "app-layer.h"
#include "app-layer-htp.h"
#include "app-layer-protos.h"
/**
* \brief Run the mpm against raw http uris.
*
* \retval cnt Number of matches reported by the mpm algo.
*/
int DetectEngineRunHttpRawUriMpm(DetectEngineThreadCtx *det_ctx, Flow *f,
HtpState *htp_state, uint8_t flags)
{
SCEnter();
uint32_t cnt = 0;
if (htp_state == NULL) {
SCLogDebug("no HTTP state");
SCReturnInt(0);
}
/* locking the flow, we will inspect the htp state */
SCMutexLock(&f->m);
if (htp_state->connp == NULL || htp_state->connp->conn == NULL) {
SCLogDebug("HTP state has no conn(p)");
goto end;
}
int idx = AppLayerTransactionGetInspectId(f);
if (idx == -1) {
goto end;
}
htp_tx_t *tx = NULL;
int size = (int)list_size(htp_state->connp->conn->transactions);
for ( ; idx < size; idx++)
{
tx = list_get(htp_state->connp->conn->transactions, idx);
if (tx == NULL || tx->request_uri == NULL)
continue;
cnt += HttpRawUriPatternSearch(det_ctx,
(uint8_t *)bstr_ptr(tx->request_uri),
bstr_len(tx->request_uri), flags);
}
end:
SCMutexUnlock(&f->m);
SCReturnInt(cnt);
}
/**
* \brief Do the http_raw_uri content inspection for a signature.
*
* \param de_ctx Detection engine context.
* \param det_ctx Detection engine thread context.
* \param s Signature to inspect.
* \param f Flow.
* \param flags App layer flags.
* \param state App layer state.
*
* \retval 0 No match.
* \retval 1 Match.
*/
int DetectEngineInspectHttpRawUri(DetectEngineCtx *de_ctx,
DetectEngineThreadCtx *det_ctx,
Signature *s, Flow *f, uint8_t flags,
void *alstate)
{
SCEnter();
int r = 0;
HtpState *htp_state = (HtpState *)alstate;
if (htp_state == NULL) {
SCLogDebug("no HTTP state");
SCReturnInt(0);
}
/* locking the flow, we will inspect the htp state */
SCMutexLock(&f->m);
if (htp_state->connp == NULL || htp_state->connp->conn == NULL) {
SCLogDebug("HTP state has no conn(p)");
goto end;
}
#ifdef DEBUG
SigMatch *sm = s->sm_lists[DETECT_SM_LIST_HRUDMATCH];
DetectContentData *co = (DetectContentData *)sm->ctx;
SCLogDebug("co->id %"PRIu32, co->id);
#endif
int idx = AppLayerTransactionGetInspectId(f);
if (idx == -1) {
goto end;
}
htp_tx_t *tx = NULL;
int size = (int)list_size(htp_state->connp->conn->transactions);
for ( ; idx < size; idx++)
{
tx = list_get(htp_state->connp->conn->transactions, idx);
if (tx == NULL || tx->request_uri == NULL)
continue;
det_ctx->discontinue_matching = 0;
det_ctx->buffer_offset = 0;
det_ctx->inspection_recursion_counter = 0;
/* Inspect all the uricontents fetched on each
* transaction at the app layer */
r = DetectEngineContentInspection(de_ctx, det_ctx, s, s->sm_lists[DETECT_SM_LIST_HRUDMATCH],
f,
(uint8_t *)bstr_ptr(tx->request_uri),
bstr_len(tx->request_uri),
DETECT_ENGINE_CONTENT_INSPECTION_MODE_HRUD, NULL);
//r = DoInspectHttpRawUri(de_ctx, det_ctx, s,
// s->sm_lists[DETECT_SM_LIST_HRUDMATCH],
// (uint8_t *)bstr_ptr(tx->request_uri),
// bstr_len(tx->request_uri));
if (r == 1) {
goto end;
}
}
end:
SCMutexUnlock(&f->m);
SCReturnInt(r);
}
/***********************************Unittests**********************************/
#ifdef UNITTESTS
static int DetectEngineHttpRawUriTest01(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a/b/../c";
uint8_t http2_buf[] =
"/./d.html HTTP/1.1\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: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"../c/./d\"; http_raw_uri; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if ((PacketAlertCheck(p1, 1))) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!(PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest02(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a/b/../c/./d.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: 19\r\n"
"\r\n"
"This is dummy body1";
uint32_t http1_len = sizeof(http1_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"/c/./d\"; http_raw_uri; offset:5; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (!(PacketAlertCheck(p1, 1))) {
printf("sid 1 didn't match but should have\n");
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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest03(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a/b/../";
uint8_t http2_buf[] =
"c/./d.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: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"/a/b\"; http_raw_uri; offset:10; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest04(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a/b/../";
uint8_t http2_buf[] =
"c/./d.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: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:!\"/a/b\"; http_raw_uri; offset:10; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest05(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a/b/";
uint8_t http2_buf[] =
"../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"a/b\"; http_raw_uri; depth:10; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest06(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a/b/";
uint8_t http2_buf[] =
"../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:!\"/a/b\"; http_raw_uri; depth:25; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 1)) {
printf("sid 1 matched but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest07(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a/b/";
uint8_t http2_buf[] =
"../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:!\"/c/./d\"; http_raw_uri; depth:12; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest08(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a/";
uint8_t http2_buf[] =
"b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:!\"/c/./d\"; http_raw_uri; depth:18; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 1)) {
printf("sid 1 matched but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest09(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"/a\"; http_raw_uri; "
"content:\"./c/.\"; http_raw_uri; within:9; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest10(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"/a\"; http_raw_uri; "
"content:!\"boom\"; http_raw_uri; within:5; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest11(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"./a\"; http_raw_uri; "
"content:\"boom\"; http_raw_uri; within:5; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 1)) {
printf("sid 1 matched but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest12(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"./a\"; http_raw_uri; "
"content:!\"/b/..\"; http_raw_uri; within:5; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 1)) {
printf("sid 1 matched but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest13(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"./a\"; http_raw_uri; "
"content:\"/c/.\"; http_raw_uri; distance:5; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest14(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"./a\"; http_raw_uri; "
"content:!\"b/..\"; http_raw_uri; distance:5; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest15(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"./a\"; http_raw_uri; "
"content:\"/c/\"; http_raw_uri; distance:7; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 1)) {
printf("sid 1 matched but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest16(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"content:\"./a\"; http_raw_uri; "
"content:!\"/c/\"; http_raw_uri; distance:4; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 1)) {
printf("sid 1 matched but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest17(void)
{
TcpSession ssn;
Packet *p1 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
Flow f;
uint8_t http1_buf[] = "This_is_dummy_body1";
uint32_t http1_len = sizeof(http1_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->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 raw uri test\"; "
"content:\"body1\"; http_raw_uri; "
"content:\"bambu\"; http_raw_uri; "
"sid:1;)");
if (de_ctx->sig_list == NULL)
goto end;
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
/* start the search phase */
det_ctx->sgh = SigMatchSignaturesGetSgh(de_ctx, det_ctx, p1);
uint32_t r = HttpRawUriPatternSearch(det_ctx, http1_buf, http1_len, STREAM_TOSERVER);
if (r != 1) {
printf("expected 1 result, got %"PRIu32": ", r);
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(&p1, 1);
return result;
}
static int DetectEngineHttpRawUriTest18(void)
{
TcpSession ssn;
Packet *p1 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
Flow f;
uint8_t http1_buf[] = "This_is_dummy_body1";
uint32_t http1_len = sizeof(http1_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->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 raw uri test\"; "
"content:\"body1\"; http_raw_uri; "
"content:\"bambu\"; http_raw_uri; fast_pattern; "
"sid:1;)");
if (de_ctx->sig_list == NULL)
goto end;
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
/* start the search phase */
det_ctx->sgh = SigMatchSignaturesGetSgh(de_ctx, det_ctx, p1);
uint32_t r = HttpRawUriPatternSearch(det_ctx, http1_buf, http1_len, STREAM_TOSERVER);
if (r != 0) {
printf("expected 0 result, got %"PRIu32": ", r);
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(&p1, 1);
return result;
}
static int DetectEngineHttpRawUriTest19(void)
{
TcpSession ssn;
Packet *p1 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
Flow f;
uint8_t http1_buf[] = "This_is_dummy_body1";
uint32_t http1_len = sizeof(http1_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->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 raw uri test\"; "
"content:\"bambu\"; http_raw_uri; "
"content:\"is\"; http_raw_uri; "
"sid:1;)");
if (de_ctx->sig_list == NULL)
goto end;
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
/* start the search phase */
det_ctx->sgh = SigMatchSignaturesGetSgh(de_ctx, det_ctx, p1);
uint32_t r = HttpRawUriPatternSearch(det_ctx, http1_buf, http1_len, STREAM_TOSERVER);
if (r != 0) {
printf("expected 0 result, got %"PRIu32": ", r);
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(&p1, 1);
return result;
}
static int DetectEngineHttpRawUriTest20(void)
{
TcpSession ssn;
Packet *p1 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
Flow f;
uint8_t http1_buf[] = "This_is_dummy_body1";
uint32_t http1_len = sizeof(http1_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->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 raw uri test\"; "
"content:\"bambu\"; http_raw_uri; "
"content:\"is\"; http_raw_uri; fast_pattern; "
"sid:1;)");
if (de_ctx->sig_list == NULL)
goto end;
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
/* start the search phase */
det_ctx->sgh = SigMatchSignaturesGetSgh(de_ctx, det_ctx, p1);
uint32_t r = HttpRawUriPatternSearch(det_ctx, http1_buf, http1_len, STREAM_TOSERVER);
if (r != 2) {
printf("expected 2 result, got %"PRIu32": ", r);
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(&p1, 1);
return result;
}
static int DetectEngineHttpRawUriTest21(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"pcre:/\\.\\/a/I; "
"content:!\"/c/\"; http_raw_uri; within:5; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 1)) {
printf("sid 1 didn't match but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest22(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"pcre:/\\.\\/a/I; "
"content:!\"/c/\"; within:5; http_raw_uri; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 1)) {
printf("sid 1 didn't match but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest23(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"pcre:/\\.\\/a/I; "
"content:!\"/c/\"; distance:3; http_raw_uri; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 1)) {
printf("sid 1 matched but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest24(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"pcre:/\\.\\/a/I; "
"content:!\"/c/\"; distance:10; http_raw_uri; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest25(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"pcre:/\\.\\/a/I; "
"content:\"/c/\"; within:10; http_raw_uri; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest26(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"pcre:/\\.\\/a/I; "
"content:\"/c/\"; within:5; http_raw_uri; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 1)) {
printf("sid 1 matched but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest27(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"pcre:/\\.\\/a/I; "
"content:\"/c/\"; distance:5; http_raw_uri; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!PacketAlertCheck(p2, 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
static int DetectEngineHttpRawUriTest28(void)
{
TcpSession ssn;
Packet *p1 = NULL;
Packet *p2 = NULL;
ThreadVars th_v;
DetectEngineCtx *de_ctx = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
Flow f;
uint8_t http1_buf[] =
"GET /../a";
uint8_t http2_buf[] =
"/b/../c/./d.html HTTP/1.0\r\n"
"Host: www.openinfosecfoundation.org\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1"
"This is dummy message body2";
uint32_t http1_len = sizeof(http1_buf) - 1;
uint32_t http2_len = sizeof(http2_buf) - 1;
int result = 0;
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p1->flow = &f;
p1->flowflags |= FLOW_PKT_TOSERVER;
p1->flowflags |= FLOW_PKT_ESTABLISHED;
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p2->flow = &f;
p2->flowflags |= FLOW_PKT_TOSERVER;
p2->flowflags |= FLOW_PKT_ESTABLISHED;
p2->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 raw uri test\"; "
"pcre:/\\.\\/a/I; "
"content:\"/c/\"; distance:10; http_raw_uri; "
"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, http1_buf, http1_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: \n");
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched but shouldn't have\n");
goto end;
}
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
result = 0;
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (PacketAlertCheck(p2, 1)) {
printf("sid 1 matched but shouldn't 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(&p1, 1);
UTHFreePackets(&p2, 1);
return result;
}
/**
* \test Test multiple relative contents with a negated content.
*/
static int DetectEngineHttpRawUriTest29(void)
{
int result = 0;
uint8_t *http_buf = (uint8_t *)"POST /../a/b/../c/./d.html HTTP/1.0\r\n"
"User-Agent: Mozilla/1.0\r\n";
uint32_t http_buf_len = strlen((char *)http_buf);
Flow f;
TcpSession ssn;
HtpState *http_state = NULL;
Packet *p = NULL;
ThreadVars tv;
DetectEngineThreadCtx *det_ctx = NULL;
memset(&tv, 0, sizeof(ThreadVars));
memset(&f, 0, sizeof(Flow));
memset(&ssn, 0, sizeof(TcpSession));
p = UTHBuildPacket(http_buf, http_buf_len, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->mpm_matcher = MPM_B2G;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(msg:\"test multiple relative raw uri contents\"; "
"content:\"/c/\"; http_raw_uri; "
"isdataat:4,relative; sid:1;)");
if (de_ctx->sig_list == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf, http_buf_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
goto end;
}
http_state = f.alstate;
if (http_state == NULL) {
printf("no http state: ");
goto end;
}
/* do detect */
SigMatchSignatures(&tv, de_ctx, det_ctx, p);
if (!PacketAlertCheck(p, 1)) {
printf("sig 1 didn't alert, but it should have: ");
goto end;
}
result = 1;
end:
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(p);
return result;
}
/**
* \test Test multiple relative contents with a negated content.
*/
static int DetectEngineHttpRawUriTest30(void)
{
int result = 0;
uint8_t *http_buf = (uint8_t *)"POST /../a/b/../c/./d.html HTTP/1.0\r\n"
"User-Agent: Mozilla/1.0\r\n";
uint32_t http_buf_len = strlen((char *)http_buf);
Flow f;
TcpSession ssn;
HtpState *http_state = NULL;
Packet *p = NULL;
ThreadVars tv;
DetectEngineThreadCtx *det_ctx = NULL;
memset(&tv, 0, sizeof(ThreadVars));
memset(&f, 0, sizeof(Flow));
memset(&ssn, 0, sizeof(TcpSession));
p = UTHBuildPacket(http_buf, http_buf_len, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->mpm_matcher = MPM_B2G;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(msg:\"test multiple relative raw uri contents\"; "
"uricontent:\"/c/\"; isdataat:!10,relative; sid:1;)");
if (de_ctx->sig_list == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf, http_buf_len);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
goto end;
}
http_state = f.alstate;
if (http_state == NULL) {
printf("no http state: ");
goto end;
}
/* do detect */
SigMatchSignatures(&tv, de_ctx, det_ctx, p);
if (!PacketAlertCheck(p, 1)) {
printf("sig 1 didn't alert, but it should have: ");
goto end;
}
result = 1;
end:
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(p);
return result;
}
#endif /* UNITTESTS */
void DetectEngineHttpRawUriRegisterTests(void)
{
#ifdef UNITTESTS
UtRegisterTest("DetectEngineHttpRawUriTest01",
DetectEngineHttpRawUriTest01, 1);
UtRegisterTest("DetectEngineHttpRawUriTest02",
DetectEngineHttpRawUriTest02, 1);
UtRegisterTest("DetectEngineHttpRawUriTest03",
DetectEngineHttpRawUriTest03, 1);
UtRegisterTest("DetectEngineHttpRawUriTest04",
DetectEngineHttpRawUriTest04, 1);
UtRegisterTest("DetectEngineHttpRawUriTest05",
DetectEngineHttpRawUriTest05, 1);
UtRegisterTest("DetectEngineHttpRawUriTest06",
DetectEngineHttpRawUriTest06, 1);
UtRegisterTest("DetectEngineHttpRawUriTest07",
DetectEngineHttpRawUriTest07, 1);
UtRegisterTest("DetectEngineHttpRawUriTest08",
DetectEngineHttpRawUriTest08, 1);
UtRegisterTest("DetectEngineHttpRawUriTest09",
DetectEngineHttpRawUriTest09, 1);
UtRegisterTest("DetectEngineHttpRawUriTest10",
DetectEngineHttpRawUriTest10, 1);
UtRegisterTest("DetectEngineHttpRawUriTest11",
DetectEngineHttpRawUriTest11, 1);
UtRegisterTest("DetectEngineHttpRawUriTest12",
DetectEngineHttpRawUriTest12, 1);
UtRegisterTest("DetectEngineHttpRawUriTest13",
DetectEngineHttpRawUriTest13, 1);
UtRegisterTest("DetectEngineHttpRawUriTest14",
DetectEngineHttpRawUriTest14, 1);
UtRegisterTest("DetectEngineHttpRawUriTest15",
DetectEngineHttpRawUriTest15, 1);
UtRegisterTest("DetectEngineHttpRawUriTest16",
DetectEngineHttpRawUriTest16, 1);
UtRegisterTest("DetectEngineHttpRawUriTest17",
DetectEngineHttpRawUriTest17, 1);
UtRegisterTest("DetectEngineHttpRawUriTest18",
DetectEngineHttpRawUriTest18, 1);
UtRegisterTest("DetectEngineHttpRawUriTest19",
DetectEngineHttpRawUriTest19, 1);
UtRegisterTest("DetectEngineHttpRawUriTest20",
DetectEngineHttpRawUriTest20, 1);
UtRegisterTest("DetectEngineHttpRawUriTest21",
DetectEngineHttpRawUriTest21, 1);
UtRegisterTest("DetectEngineHttpRawUriTest22",
DetectEngineHttpRawUriTest22, 1);
UtRegisterTest("DetectEngineHttpRawUriTest23",
DetectEngineHttpRawUriTest23, 1);
UtRegisterTest("DetectEngineHttpRawUriTest24",
DetectEngineHttpRawUriTest24, 1);
UtRegisterTest("DetectEngineHttpRawUriTest25",
DetectEngineHttpRawUriTest25, 1);
UtRegisterTest("DetectEngineHttpRawUriTest26",
DetectEngineHttpRawUriTest26, 1);
UtRegisterTest("DetectEngineHttpRawUriTest27",
DetectEngineHttpRawUriTest27, 1);
UtRegisterTest("DetectEngineHttpRawUriTest28",
DetectEngineHttpRawUriTest28, 1);
UtRegisterTest("DetectEngineHttpRawUriTest29",
DetectEngineHttpRawUriTest29, 1);
UtRegisterTest("DetectEngineHttpRawUriTest30",
DetectEngineHttpRawUriTest30, 1);
#endif /* UNITTESTS */
return;
}
/**
* @}
*/