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suricata/src/detect-http-hh.c

2018 lines
58 KiB
C

/* Copyright (C) 2007-2013 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>
*
* Implements support for the http_host keyword.
*/
#include "suricata-common.h"
#include "threads.h"
#include "decode.h"
#include "detect.h"
#include "detect-parse.h"
#include "detect-engine.h"
#include "detect-engine-mpm.h"
#include "detect-engine-state.h"
#include "detect-content.h"
#include "detect-pcre.h"
#include "flow.h"
#include "flow-var.h"
#include "flow-util.h"
#include "util-debug.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "util-spm.h"
#include "app-layer.h"
#include "app-layer-htp.h"
#include "stream-tcp.h"
#include "detect-http-hh.h"
int DetectHttpHHSetup(DetectEngineCtx *, Signature *, char *);
void DetectHttpHHRegisterTests(void);
void DetectHttpHHFree(void *);
/**
* \brief Registers the keyword handlers for the "http_host" keyword.
*/
void DetectHttpHHRegister(void)
{
sigmatch_table[DETECT_AL_HTTP_HOST].name = "http_host";
sigmatch_table[DETECT_AL_HTTP_HOST].desc = "content modifier to match only on the HTTP hostname";
sigmatch_table[DETECT_AL_HTTP_HOST].Match = NULL;
sigmatch_table[DETECT_AL_HTTP_HOST].AppLayerMatch = NULL;
sigmatch_table[DETECT_AL_HTTP_HOST].Setup = DetectHttpHHSetup;
sigmatch_table[DETECT_AL_HTTP_HOST].Free = DetectHttpHHFree;
sigmatch_table[DETECT_AL_HTTP_HOST].RegisterTests = DetectHttpHHRegisterTests;
sigmatch_table[DETECT_AL_HTTP_HOST].alproto = ALPROTO_HTTP;
sigmatch_table[DETECT_AL_HTTP_HOST].flags |= SIGMATCH_PAYLOAD ;
return;
}
/**
* \brief The setup function for the http_host keyword for a signature.
*
* \param de_ctx Pointer to the detection engine context.
* \param s Pointer to the signature for the current Signature being
* parsed from the rules.
* \param m Pointer to the head of the SigMatch for the current rule
* being parsed.
* \param arg Pointer to the string holding the keyword value.
*
* \retval 0 On success
* \retval -1 On failure
*/
int DetectHttpHHSetup(DetectEngineCtx *de_ctx, Signature *s, char *arg)
{
return DetectEngineContentModifierBufferSetup(de_ctx, s, arg,
DETECT_AL_HTTP_HOST,
DETECT_SM_LIST_HHHDMATCH,
ALPROTO_HTTP,
NULL);
}
/**
* \brief The function to free the http_host data.
*
* \param ptr Pointer to the http_host.
*/
void DetectHttpHHFree(void *ptr)
{
DetectContentData *hhhd = (DetectContentData *)ptr;
if (hhhd == NULL)
return;
if (hhhd->content != NULL)
SCFree(hhhd->content);
BoyerMooreCtxDeInit(hhhd->bm_ctx);
SCFree(hhhd);
return;
}
/************************************Unittests*********************************/
#ifdef UNITTESTS
#include "stream-tcp-reassemble.h"
/**
* \test Test that a signature containting a http_host is correctly parsed
* and the keyword is registered.
*/
static int DetectHttpHHTest01(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
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 http_host\"; "
"content:\"one\"; http_host; sid:1;)");
if (de_ctx->sig_list != NULL) {
result = 1;
} else {
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Test that a signature containing an valid http_host entry is
* parsed.
*/
static int DetectHttpHHTest02(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
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 http_host\"; "
"content:\"one\"; http_host; sid:1;)");
if (de_ctx->sig_list != NULL)
result = 1;
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Test that an invalid signature containing no content but a
* http_host is invalidated.
*/
static int DetectHttpHHTest03(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
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 http_host\"; "
"http_host; sid:1;)");
if (de_ctx->sig_list == NULL)
result = 1;
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Test that an invalid signature containing a rawbytes along with a
* http_host is invalidated.
*/
static int DetectHttpHHTest04(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
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 http_host\"; "
"content:\"one\"; rawbytes; http_host; sid:1;)");
if (de_ctx->sig_list == NULL)
result = 1;
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Test that a http_host with nocase is parsed.
*/
static int DetectHttpHHTest05(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
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 http_host\"; "
"content:\"one\"; http_host; sid:1;)");
if (de_ctx->sig_list != NULL)
result = 1;
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
*\test Test that the http_host content matches against a http request
* which holds the content.
*/
static int DetectHttpHHTest06(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"
"User-Agent: www.openinfosecfoundation.org\r\n"
"Host: This is dummy message body\r\n"
"Content-Type: text/html\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 host test\"; "
"content:\"message\"; http_host; "
"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: \n");
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\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(&p, 1);
return result;
}
/**
*\test Test that the http_host content matches against a http request
* which holds the content.
*/
static int DetectHttpHHTest07(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 /index.html HTTP/1.0\r\n"
"User-Agent: www.openinfosecfoundation.org\r\n"
"Host: This is dummy message";
uint8_t http2_buf[] =
"body1\r\n\r\n";
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 host test\"; "
"content:\"message\"; http_host; "
"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: ");
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
if (PacketAlertCheck(p1, 1)) {
printf("sid 1 matched on p1 but shouldn't have: ");
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: ", r);
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
if (!(PacketAlertCheck(p2, 1))) {
printf("sid 1 didn't match on p2 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;
}
/**
*\test Test that the http_host content matches against a http request
* which holds the content.
*/
static int DetectHttpHHTest08(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 /index.html HTTP/1.0\r\n"
"User-Agent: www.openinfosecfoundation.org\r\n"
"host: This is dummy mess";
uint8_t http2_buf[] =
"age body\r\n\r\n";
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 host test\"; "
"content:\"message\"; http_host; "
"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: ");
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");
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: ", 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;
}
/**
*\test Test that the http_host content matches against a http request
* which holds the content, against a cross boundary present pattern.
*/
static int DetectHttpHHTest09(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 /index.html HTTP/1.0\r\n"
"User-Agent: www.openinfosecfoundation.org\r\n"
"Host: This is dummy body1";
uint8_t http2_buf[] =
"This is dummy message body2\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy body1";
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 host test\"; "
"content:\"body1this\"; http_host; "
"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: ");
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");
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: ", 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;
}
/**
*\test Test that the http_host content matches against a http request
* against a case insensitive pattern.
*/
static int DetectHttpHHTest10(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 /index.html HTTP/1.0\r\n"
"User-Agent: www.openinfosecfoundation.org\r\n"
"Host: This is dummy bodY1";
uint8_t http2_buf[] =
"This is dummy message body2\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 46\r\n"
"\r\n"
"This is dummy bodY1";
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 host test\"; "
"content:\"body1this\"; http_host; "
"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;
}
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;
}
/**
*\test Test that the negated http_host content matches against a
* http request which doesn't hold the content.
*/
static int DetectHttpHHTest11(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"
"User-Agent: www.openinfosecfoundation.org\r\n"
"Host: This is dummy message body\r\n"
"Content-Type: text/html\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 host test\"; "
"content:!\"message\"; http_host; "
"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 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(&p, 1);
return result;
}
/**
*\test Negative test that the negated http_host content matches against a
* http request which holds hold the content.
*/
static int DetectHttpHHTest12(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"
"User-Agent: www.openinfosecfoundation.org\r\n"
"Host: This is dummy body\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 host test\"; "
"content:!\"message\"; http_host; "
"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 that the http_host content matches against a http request
* which holds the content.
*/
static int DetectHttpHHTest13(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"
"User-Agent: www.openinfosecfoundation.org\r\n"
"Host: longbufferabcdefghijklmnopqrstuvwxyz0123456789bufferend\r\n"
"Content-Type: text/html\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 host test\"; "
"content:\"abcdefghijklmnopqrstuvwxyz0123456789\"; http_host; "
"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 multiple http transactions and body chunks of request handling
*/
static int DetectHttpHHTest14(void)
{
int result = 0;
Signature *s = NULL;
DetectEngineThreadCtx *det_ctx = NULL;
ThreadVars th_v;
Flow f;
TcpSession ssn;
Packet *p = NULL;
uint8_t httpbuf1[] = "POST / HTTP/1.1\r\n";
uint8_t httpbuf2[] = "Cookie: dummy1\r\n";
uint8_t httpbuf3[] = "Host: Body one!!\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */
uint8_t httpbuf4[] = "GET /?var=val HTTP/1.1\r\n";
uint8_t httpbuf5[] = "Cookie: dummy2\r\n";
uint8_t httpbuf6[] = "Host: Body two\r\n\r\n";
uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */
uint32_t httplen5 = sizeof(httpbuf5) - 1; /* minus the \0 */
uint32_t httplen6 = sizeof(httpbuf6) - 1; /* minus the \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.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 = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (content:\"POST\"; http_method; content:\"dummy1\"; http_cookie; content:\"body one\"; http_host; sid:1; rev:1;)");
if (s == NULL) {
printf("sig parse failed: ");
goto end;
}
s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (content:\"GET\"; http_method; content:\"dummy2\"; http_cookie; content:\"body two\"; http_host; sid:2; rev:1;)");
if (s == NULL) {
printf("sig2 parse failed: ");
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1)) {
printf("sig 1 alerted: ");
goto end;
}
p->alerts.cnt = 0;
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf2, httplen2);
if (r != 0) {
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1)) {
printf("sig 1 alerted (2): ");
goto end;
}
p->alerts.cnt = 0;
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf3, httplen3);
if (r != 0) {
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (!(PacketAlertCheck(p, 1))) {
printf("sig 1 didn't alert: ");
goto end;
}
p->alerts.cnt = 0;
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf4, httplen4);
if (r != 0) {
printf("toserver chunk 5 returned %" PRId32 ", expected 0: ", r);
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1) || PacketAlertCheck(p, 2)) {
printf("sig 1 alerted (4): ");
goto end;
}
p->alerts.cnt = 0;
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf5, httplen5);
if (r != 0) {
printf("toserver chunk 6 returned %" PRId32 ", expected 0: ", r);
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if ((PacketAlertCheck(p, 1)) || (PacketAlertCheck(p, 2))) {
printf("sig 1 alerted (request 2, chunk 6): ");
goto end;
}
p->alerts.cnt = 0;
SCLogDebug("sending data chunk 7");
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf6, httplen6);
if (r != 0) {
printf("toserver chunk 7 returned %" PRId32 ", expected 0: ", r);
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if (PacketAlertCheck(p, 1) || !(PacketAlertCheck(p, 2))) {
printf("signature 2 didn't match or sig 1 matched, but shouldn't have: ");
goto end;
}
p->alerts.cnt = 0;
HtpState *htp_state = f.alstate;
if (htp_state == NULL) {
printf("no http state: ");
result = 0;
goto end;
}
if (AppLayerGetTxCnt(ALPROTO_HTTP, htp_state) != 2) {
printf("The http app layer doesn't have 2 transactions, but it should: ");
goto end;
}
result = 1;
end:
if (det_ctx != NULL) {
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
}
if (de_ctx != NULL) {
SigGroupCleanup(de_ctx);
DetectEngineCtxFree(de_ctx);
}
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePacket(p);
return result;
}
int DetectHttpHHTest22(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; content:\"two\"; http_host; "
"content:\"three\"; distance:10; http_host; content:\"four\"; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
DetectContentData *cd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
DetectContentData *hhhd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectContentData *hhhd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (cd1->flags != 0 || memcmp(cd1->content, "one", cd1->content_len) != 0 ||
cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 ||
hhhd1->flags != (DETECT_CONTENT_RELATIVE_NEXT) ||
memcmp(hhhd1->content, "two", hhhd1->content_len) != 0 ||
hhhd2->flags != (DETECT_CONTENT_DISTANCE) ||
memcmp(hhhd2->content, "three", hhhd1->content_len) != 0) {
goto end;
}
if (!DETECT_CONTENT_IS_SINGLE(cd1) ||
!DETECT_CONTENT_IS_SINGLE(cd2) ||
DETECT_CONTENT_IS_SINGLE(hhhd1) ||
DETECT_CONTENT_IS_SINGLE(hhhd2)) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest23(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; http_host; pcre:/two/; "
"content:\"three\"; distance:10; http_host; content:\"four\"; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
DetectContentData *hhhd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectContentData *hhhd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (pd1->flags != 0 ||
cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 ||
hhhd1->flags != (DETECT_CONTENT_RELATIVE_NEXT) ||
memcmp(hhhd1->content, "one", hhhd1->content_len) != 0 ||
hhhd2->flags != (DETECT_CONTENT_DISTANCE) ||
memcmp(hhhd2->content, "three", hhhd1->content_len) != 0) {
goto end;
}
if (!DETECT_CONTENT_IS_SINGLE(cd2) ||
DETECT_CONTENT_IS_SINGLE(hhhd1) ||
DETECT_CONTENT_IS_SINGLE(hhhd2)) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest24(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; http_host; pcre:/two/; "
"content:\"three\"; distance:10; within:15; http_host; content:\"four\"; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
DetectContentData *hhhd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectContentData *hhhd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (pd1->flags != 0 ||
cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 ||
hhhd1->flags != (DETECT_CONTENT_RELATIVE_NEXT) ||
memcmp(hhhd1->content, "one", hhhd1->content_len) != 0 ||
hhhd2->flags != (DETECT_CONTENT_DISTANCE | DETECT_CONTENT_WITHIN) ||
memcmp(hhhd2->content, "three", hhhd1->content_len) != 0) {
goto end;
}
if (!DETECT_CONTENT_IS_SINGLE(cd2) ||
DETECT_CONTENT_IS_SINGLE(hhhd1) ||
DETECT_CONTENT_IS_SINGLE(hhhd2)) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest25(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; http_host; pcre:/two/; "
"content:\"three\"; distance:10; http_host; "
"content:\"four\"; distance:10; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
DetectContentData *hhhd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectContentData *hhhd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (pd1->flags != DETECT_PCRE_RELATIVE_NEXT ||
cd2->flags != DETECT_CONTENT_DISTANCE ||
memcmp(cd2->content, "four", cd2->content_len) != 0 ||
hhhd1->flags != (DETECT_CONTENT_RELATIVE_NEXT) ||
memcmp(hhhd1->content, "one", hhhd1->content_len) != 0 ||
hhhd2->flags != (DETECT_CONTENT_DISTANCE) ||
memcmp(hhhd2->content, "three", hhhd1->content_len) != 0) {
goto end;
}
if (DETECT_CONTENT_IS_SINGLE(cd2) ||
DETECT_CONTENT_IS_SINGLE(hhhd1) ||
DETECT_CONTENT_IS_SINGLE(hhhd2)) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest26(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; offset:10; http_host; pcre:/two/; "
"content:\"three\"; distance:10; http_host; within:10; "
"content:\"four\"; distance:10; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
DetectContentData *hhhd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectContentData *hhhd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) ||
cd2->flags != DETECT_CONTENT_DISTANCE ||
memcmp(cd2->content, "four", cd2->content_len) != 0 ||
hhhd1->flags != (DETECT_CONTENT_RELATIVE_NEXT | DETECT_CONTENT_OFFSET) ||
memcmp(hhhd1->content, "one", hhhd1->content_len) != 0 ||
hhhd2->flags != (DETECT_CONTENT_DISTANCE | DETECT_CONTENT_WITHIN) ||
memcmp(hhhd2->content, "three", hhhd1->content_len) != 0) {
printf ("failed: http_host incorrect flags");
goto end;
}
if (DETECT_CONTENT_IS_SINGLE(cd2) ||
DETECT_CONTENT_IS_SINGLE(hhhd1) ||
DETECT_CONTENT_IS_SINGLE(hhhd2)) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest27(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; offset:10; http_host; pcre:/two/; "
"content:\"three\"; distance:10; http_host; within:10; "
"content:\"four\"; distance:10; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest28(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; http_host; pcre:/two/; "
"content:\"three\"; http_host; depth:10; "
"content:\"four\"; distance:10; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
DetectContentData *cd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
DetectContentData *hhhd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectContentData *hhhd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) ||
cd2->flags != DETECT_CONTENT_DISTANCE ||
memcmp(cd2->content, "four", cd2->content_len) != 0 ||
hhhd1->flags != (0) ||
memcmp(hhhd1->content, "one", hhhd1->content_len) != 0 ||
hhhd2->flags != (DETECT_CONTENT_DEPTH) ||
memcmp(hhhd2->content, "three", hhhd1->content_len) != 0) {
goto end;
}
if (DETECT_CONTENT_IS_SINGLE(cd2) ||
!DETECT_CONTENT_IS_SINGLE(hhhd1) ||
DETECT_CONTENT_IS_SINGLE(hhhd2)) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest29(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; http_host; "
"content:\"two\"; distance:0; http_host; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
DetectContentData *hhhd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectContentData *hhhd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (hhhd1->flags != (DETECT_CONTENT_RELATIVE_NEXT) ||
memcmp(hhhd1->content, "one", hhhd1->content_len) != 0 ||
hhhd2->flags != (DETECT_CONTENT_DISTANCE) ||
memcmp(hhhd2->content, "two", hhhd1->content_len) != 0) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest30(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; http_host; "
"content:\"two\"; within:5; http_host; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
DetectContentData *hhhd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectContentData *hhhd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (hhhd1->flags != (DETECT_CONTENT_RELATIVE_NEXT) ||
memcmp(hhhd1->content, "one", hhhd1->content_len) != 0 ||
hhhd2->flags != (DETECT_CONTENT_WITHIN) ||
memcmp(hhhd2->content, "two", hhhd1->content_len) != 0) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest31(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; within:5; http_host; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest32(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; http_host; within:5; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list != NULL\n");
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest33(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"one\"; within:5; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest34(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(pcre:/one/W; "
"content:\"two\"; within:5; http_host; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH] == NULL ||
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->type != DETECT_CONTENT ||
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev == NULL ||
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->type != DETECT_PCRE) {
goto end;
}
DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectContentData *hhhd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT | DETECT_PCRE_HTTP_HOST) ||
hhhd2->flags != (DETECT_CONTENT_WITHIN) ||
memcmp(hhhd2->content, "two", hhhd2->content_len) != 0) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest35(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(content:\"two\"; http_host; "
"pcre:/one/WR; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH] == NULL ||
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->type != DETECT_PCRE ||
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev == NULL ||
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->type != DETECT_CONTENT) {
goto end;
}
DetectContentData *hhhd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectPcreData *pd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (pd2->flags != (DETECT_PCRE_RELATIVE | DETECT_PCRE_HTTP_HOST) ||
hhhd1->flags != (DETECT_CONTENT_RELATIVE_NEXT) ||
memcmp(hhhd1->content, "two", hhhd1->content_len) != 0) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
int DetectHttpHHTest36(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 0;
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
"(pcre:/one/W; "
"content:\"two\"; distance:5; http_host; sid:1;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL) {
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HHHDMATCH] == NULL\n");
goto end;
}
if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH] == NULL ||
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->type != DETECT_CONTENT ||
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev == NULL ||
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->type != DETECT_PCRE) {
goto end;
}
DetectPcreData *pd1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->prev->ctx;
DetectContentData *hhhd2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH]->ctx;
if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT | DETECT_PCRE_HTTP_HOST) ||
hhhd2->flags != (DETECT_CONTENT_DISTANCE) ||
memcmp(hhhd2->content, "two", hhhd2->content_len) != 0) {
goto end;
}
result = 1;
end:
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
#endif /* UNITTESTS */
void DetectHttpHHRegisterTests(void)
{
#ifdef UNITTESTS
UtRegisterTest("DetectHttpHHTest01", DetectHttpHHTest01, 1);
UtRegisterTest("DetectHttpHHTest02", DetectHttpHHTest02, 1);
UtRegisterTest("DetectHttpHHTest03", DetectHttpHHTest03, 1);
UtRegisterTest("DetectHttpHHTest04", DetectHttpHHTest04, 1);
UtRegisterTest("DetectHttpHHTest05", DetectHttpHHTest05, 1);
UtRegisterTest("DetectHttpHHTest06", DetectHttpHHTest06, 1);
UtRegisterTest("DetectHttpHHTest07", DetectHttpHHTest07, 1);
UtRegisterTest("DetectHttpHHTest08", DetectHttpHHTest08, 1);
UtRegisterTest("DetectHttpHHTest09", DetectHttpHHTest09, 1);
UtRegisterTest("DetectHttpHHTest10", DetectHttpHHTest10, 1);
UtRegisterTest("DetectHttpHHTest11", DetectHttpHHTest11, 1);
UtRegisterTest("DetectHttpHHTest12", DetectHttpHHTest12, 1);
UtRegisterTest("DetectHttpHHTest13", DetectHttpHHTest13, 1);
UtRegisterTest("DetectHttpHHTest14", DetectHttpHHTest14, 1);
UtRegisterTest("DetectHttpHHTest22", DetectHttpHHTest22, 1);
UtRegisterTest("DetectHttpHHTest23", DetectHttpHHTest23, 1);
UtRegisterTest("DetectHttpHHTest24", DetectHttpHHTest24, 1);
UtRegisterTest("DetectHttpHHTest25", DetectHttpHHTest25, 1);
UtRegisterTest("DetectHttpHHTest26", DetectHttpHHTest26, 1);
UtRegisterTest("DetectHttpHHTest27", DetectHttpHHTest27, 1);
UtRegisterTest("DetectHttpHHTest28", DetectHttpHHTest28, 1);
UtRegisterTest("DetectHttpHHTest29", DetectHttpHHTest29, 1);
UtRegisterTest("DetectHttpHHTest30", DetectHttpHHTest30, 1);
UtRegisterTest("DetectHttpHHTest31", DetectHttpHHTest31, 1);
UtRegisterTest("DetectHttpHHTest32", DetectHttpHHTest32, 1);
UtRegisterTest("DetectHttpHHTest33", DetectHttpHHTest33, 1);
UtRegisterTest("DetectHttpHHTest34", DetectHttpHHTest34, 1);
UtRegisterTest("DetectHttpHHTest35", DetectHttpHHTest35, 1);
UtRegisterTest("DetectHttpHHTest36", DetectHttpHHTest36, 1);
#endif /* UNITTESTS */
return;
}
/**
* @}
*/