You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
suricata/src/detect-uricontent.c

1787 lines
54 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.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
* \author Gurvinder Singh <gurvindersinghdahiya@gmail.com>
*
* Simple uricontent match part of the detection engine.
*/
#include "suricata-common.h"
#include "decode.h"
#include "detect.h"
#include "detect-content.h"
#include "detect-http-uri.h"
#include "detect-uricontent.h"
#include "detect-engine-mpm.h"
#include "detect-parse.h"
#include "detect-engine.h"
#include "detect-engine-state.h"
#include "flow.h"
#include "detect-flow.h"
#include "flow-var.h"
#include "flow-util.h"
#include "threads.h"
#include "stream-tcp.h"
#include "stream.h"
#include "app-layer.h"
#include "app-layer-parser.h"
#include "app-layer-protos.h"
#include "app-layer-htp.h"
#include "util-mpm.h"
#include "util-print.h"
#include "util-debug.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "util-binsearch.h"
#include "util-spm.h"
#include "conf.h"
/* prototypes */
static int DetectUricontentSetup (DetectEngineCtx *, Signature *, const char *);
static void DetectUricontentRegisterTests(void);
static void DetectUricontentFree(void *);
static int g_http_uri_buffer_id = 0;
/**
* \brief Registration function for uricontent: keyword
*/
void DetectUricontentRegister (void)
{
sigmatch_table[DETECT_URICONTENT].name = "uricontent";
sigmatch_table[DETECT_URICONTENT].Match = NULL;
sigmatch_table[DETECT_URICONTENT].Setup = DetectUricontentSetup;
sigmatch_table[DETECT_URICONTENT].Free = DetectUricontentFree;
sigmatch_table[DETECT_URICONTENT].RegisterTests = DetectUricontentRegisterTests;
sigmatch_table[DETECT_URICONTENT].flags = (SIGMATCH_QUOTES_MANDATORY|SIGMATCH_HANDLE_NEGATION);
g_http_uri_buffer_id = DetectBufferTypeRegister("http_uri");
}
/**
* \brief this function will Free memory associated with DetectContentData
*
* \param cd pointer to DetectUricotentData
*/
void DetectUricontentFree(void *ptr)
{
SCEnter();
DetectContentData *cd = (DetectContentData *)ptr;
if (cd == NULL)
SCReturn;
SpmDestroyCtx(cd->spm_ctx);
SCFree(cd);
SCReturn;
}
/**
* \brief Creates a SigMatch for the uricontent keyword being sent as argument,
* and appends it to the Signature(s).
*
* \param de_ctx Pointer to the detection engine context
* \param s Pointer to signature for the current Signature being parsed
* from the rules
* \param contentstr Pointer to the string holding the keyword value
*
* \retval 0 on success, -1 on failure
*/
int DetectUricontentSetup(DetectEngineCtx *de_ctx, Signature *s, const char *contentstr)
{
SCEnter();
const char *legacy = NULL;
if (ConfGet("legacy.uricontent", &legacy) == 1) {
if (strcasecmp("disabled", legacy) == 0) {
SCLogError(SC_ERR_INVALID_SIGNATURE, "uriconent deprecated. To "
"use a rule with \"uricontent\", either set the "
"option - \"legacy.uricontent\" in the conf to "
"\"enabled\" OR replace uricontent with "
"\'content:%s; http_uri;\'.", contentstr);
goto error;
} else if (strcasecmp("enabled", legacy) == 0) {
;
} else {
SCLogError(SC_ERR_INVALID_YAML_CONF_ENTRY, "Invalid value found "
"for legacy.uriconent - \"%s\". Valid values are "
"\"enabled\" OR \"disabled\".", legacy);
goto error;
}
}
if (DetectContentSetup(de_ctx, s, contentstr) < 0)
goto error;
if (DetectHttpUriSetup(de_ctx, s, NULL) < 0)
goto error;
SCReturnInt(0);
error:
SCReturnInt(-1);
}
/*
* UNITTTESTS
*/
#ifdef UNITTESTS
#include "detect-isdataat.h"
#include "stream-tcp-reassemble.h"
/**
* \brief Helper function to print a DetectContentData
*/
static void DetectUricontentPrint(DetectContentData *cd)
{
int i = 0;
if (cd == NULL) {
SCLogDebug("Detect UricontentData \"cd\" is NULL");
return;
}
char *tmpstr = SCMalloc(sizeof(char) * cd->content_len + 1);
if (unlikely(tmpstr == NULL))
return;
if (tmpstr != NULL) {
for (i = 0; i < cd->content_len; i++) {
if (isprint(cd->content[i]))
tmpstr[i] = cd->content[i];
else
tmpstr[i] = '.';
}
tmpstr[i] = '\0';
SCLogDebug("Uricontent: \"%s\"", tmpstr);
SCFree(tmpstr);
} else {
SCLogDebug("Uricontent: ");
for (i = 0; i < cd->content_len; i++)
SCLogDebug("%c", cd->content[i]);
}
SCLogDebug("Uricontent_id: %"PRIu32, cd->id);
SCLogDebug("Uricontent_len: %"PRIu16, cd->content_len);
SCLogDebug("Depth: %"PRIu16, cd->depth);
SCLogDebug("Offset: %"PRIu16, cd->offset);
SCLogDebug("Within: %"PRIi32, cd->within);
SCLogDebug("Distance: %"PRIi32, cd->distance);
SCLogDebug("flags: %u ", cd->flags);
SCLogDebug("negated: %s ",
cd->flags & DETECT_CONTENT_NEGATED ? "true" : "false");
SCLogDebug("relative match next: %s ",
cd->flags & DETECT_CONTENT_RELATIVE_NEXT ? "true" : "false");
SCLogDebug("-----------");
}
/** \test Test case where path traversal has been sent as a path string in the
* HTTP URL and normalized path string is checked */
static int HTTPUriTest01(void)
{
int result = 0;
Flow f;
uint8_t httpbuf1[] = "GET /../../images.gif HTTP/1.1\r\nHost: www.ExA"
"mPlE.cOM\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
TcpSession ssn;
int r = 0;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.proto = IPPROTO_TCP;
f.alproto = ALPROTO_HTTP;
f.flags |= FLOW_IPV4;
StreamTcpInitConfig(TRUE);
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_HTTP,
STREAM_TOSERVER | STREAM_START | STREAM_EOF,
httpbuf1,
httplen1);
if (r != 0) {
printf("AppLayerParse failed: r(%d) != 0: ", r);
goto end;
}
HtpState *htp_state = f.alstate;
if (htp_state == NULL) {
printf("no http state: ");
goto end;
}
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, htp_state, 0);
if (tx->request_method_number != HTP_M_GET ||
tx->request_protocol_number != HTP_PROTOCOL_1_1)
{
goto end;
}
if ((tx->request_hostname == NULL) ||
(bstr_cmp_c(tx->request_hostname, "www.example.com") != 0))
{
goto end;
}
if ((tx->parsed_uri->path == NULL) ||
(bstr_cmp_c(tx->parsed_uri->path, "/images.gif") != 0))
{
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
StreamTcpFreeConfig(TRUE);
FLOWLOCK_UNLOCK(&f);
FLOW_DESTROY(&f);
return result;
}
/** \test Test case where path traversal has been sent in special characters in
* HEX encoding in the HTTP URL and normalized path string is checked */
static int HTTPUriTest02(void)
{
int result = 0;
Flow f;
HtpState *htp_state = NULL;
uint8_t httpbuf1[] = "GET /%2e%2e/images.gif HTTP/1.1\r\nHost: www.ExA"
"mPlE.cOM\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
TcpSession ssn;
int r = 0;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.proto = IPPROTO_TCP;
f.alproto = ALPROTO_HTTP;
f.flags |= FLOW_IPV4;
StreamTcpInitConfig(TRUE);
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_HTTP,
STREAM_TOSERVER | STREAM_START | STREAM_EOF,
httpbuf1,
httplen1);
if (r != 0) {
printf("AppLayerParse failed: r(%d) != 0: ", r);
goto end;
}
htp_state = f.alstate;
if (htp_state == NULL) {
printf("no http state: ");
goto end;
}
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, htp_state, 0);
if (tx->request_method_number != HTP_M_GET ||
tx->request_protocol_number != HTP_PROTOCOL_1_1)
{
goto end;
}
if ((tx->request_hostname == NULL) ||
(bstr_cmp_c(tx->request_hostname, "www.example.com") != 0))
{
goto end;
}
if ((tx->parsed_uri->path == NULL) ||
(bstr_cmp_c(tx->parsed_uri->path, "/images.gif") != 0))
{
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
StreamTcpFreeConfig(TRUE);
FLOWLOCK_UNLOCK(&f);
FLOW_DESTROY(&f);
return result;
}
/** \test Test case where NULL character has been sent in HEX encoding in the
* HTTP URL and normalized path string is checked */
static int HTTPUriTest03(void)
{
int result = 0;
Flow f;
HtpState *htp_state = NULL;
uint8_t httpbuf1[] = "GET%00 /images.gif HTTP/1.1\r\nHost: www.ExA"
"mPlE.cOM\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
TcpSession ssn;
int r = 0;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.proto = IPPROTO_TCP;
f.alproto = ALPROTO_HTTP;
f.flags |= FLOW_IPV4;
StreamTcpInitConfig(TRUE);
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_HTTP,
STREAM_TOSERVER | STREAM_START | STREAM_EOF,
httpbuf1,
httplen1);
if (r != 0) {
printf("AppLayerParse failed: r(%d) != 0: ", r);
goto end;
}
htp_state = f.alstate;
if (htp_state == NULL) {
printf("no http state: ");
goto end;
}
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, htp_state, 0);
if (tx->request_method_number != HTP_M_UNKNOWN ||
tx->request_protocol_number != HTP_PROTOCOL_1_1)
{
goto end;
}
if ((tx->request_hostname == NULL) ||
(bstr_cmp_c(tx->request_hostname, "www.example.com") != 0))
{
goto end;
}
if ((tx->parsed_uri->path == NULL) ||
(bstr_cmp_c(tx->parsed_uri->path, "/images.gif") != 0))
{
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
StreamTcpFreeConfig(TRUE);
FLOWLOCK_UNLOCK(&f);
FLOW_DESTROY(&f);
return result;
}
/** \test Test case where self referencing directories request has been sent
* in the HTTP URL and normalized path string is checked */
static int HTTPUriTest04(void)
{
int result = 0;
Flow f;
HtpState *htp_state = NULL;
uint8_t httpbuf1[] = "GET /./././images.gif HTTP/1.1\r\nHost: www.ExA"
"mPlE.cOM\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
TcpSession ssn;
int r = 0;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.proto = IPPROTO_TCP;
f.alproto = ALPROTO_HTTP;
f.flags |= FLOW_IPV4;
StreamTcpInitConfig(TRUE);
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_HTTP,
STREAM_TOSERVER | STREAM_START | STREAM_EOF,
httpbuf1,
httplen1);
if (r != 0) {
printf("AppLayerParse failed: r(%d) != 0: ", r);
goto end;
}
htp_state = f.alstate;
if (htp_state == NULL) {
printf("no http state: ");
goto end;
}
htp_tx_t *tx = AppLayerParserGetTx(IPPROTO_TCP, ALPROTO_HTTP, htp_state, 0);
if (tx->request_method_number != HTP_M_GET ||
tx->request_protocol_number != HTP_PROTOCOL_1_1)
{
goto end;
}
if ((tx->request_hostname == NULL) ||
(bstr_cmp_c(tx->request_hostname, "www.example.com") != 0))
{
goto end;
}
if ((tx->parsed_uri->path == NULL) ||
(bstr_cmp_c(tx->parsed_uri->path, "/images.gif") != 0))
{
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
StreamTcpFreeConfig(TRUE);
FLOWLOCK_UNLOCK(&f);
FLOW_DESTROY(&f);
return result;
}
/**
* \test Checks if a uricontent is registered in a Signature
*/
static int DetectUriSigTest01(void)
{
ThreadVars th_v;
Signature *s = NULL;
memset(&th_v, 0, sizeof(th_v));
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
FAIL_IF_NULL(de_ctx);
de_ctx->flags |= DE_QUIET;
s = DetectEngineAppendSig(de_ctx,"alert http any any -> any any (msg:"
"\" Test uricontent\"; content:\"me\"; uricontent:\"me\"; sid:1;)");
FAIL_IF_NULL(s);
BUG_ON(s->sm_lists[g_http_uri_buffer_id] == NULL);
FAIL_IF_NOT(de_ctx->sig_list->sm_lists[g_http_uri_buffer_id]->type == DETECT_CONTENT);
DetectEngineCtxFree(de_ctx);
PASS;
}
/** \test Check the signature working to alert when http_cookie is matched . */
static int DetectUriSigTest02(void)
{
int result = 0;
Flow f;
uint8_t httpbuf1[] = "POST /one HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\nCookie:"
" hellocatch\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
TcpSession ssn;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
HtpState *http_state = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p = UTHBuildPacket(httpbuf1, httplen1, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.proto = IPPROTO_TCP;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"foo\"; sid:1;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"one\"; sid:2;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"oisf\"; sid:3;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
FLOWLOCK_WRLOCK(&f);
int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_HTTP,
STREAM_TOSERVER, httpbuf1, httplen1);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
FLOWLOCK_UNLOCK(&f);
goto end;
}
FLOWLOCK_UNLOCK(&f);
http_state = f.alstate;
if (http_state == NULL) {
printf("no http state: ");
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if ((PacketAlertCheck(p, 1))) {
printf("sig: 1 alerted, but it should not\n");
goto end;
} else if (!PacketAlertCheck(p, 2)) {
printf("sig: 2 did not alerted, but it should\n");
goto end;
} else if ((PacketAlertCheck(p, 3))) {
printf("sig: 3 alerted, but it should not\n");
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
//if (http_state != NULL) HTPStateFree(http_state);
if (de_ctx != NULL) SigCleanSignatures(de_ctx);
if (de_ctx != NULL) SigGroupCleanup(de_ctx);
if (det_ctx != NULL) DetectEngineThreadCtxDeinit(&th_v, det_ctx);
if (de_ctx != NULL) DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
return result;
}
/** \test Check the working of search once per packet only in applayer
* match */
static int DetectUriSigTest03(void)
{
int result = 0;
Flow f;
HtpState *http_state = NULL;
uint8_t httpbuf1[] = "POST /one HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\nCookie:"
" hellocatch\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
uint8_t httpbuf2[] = "POST /oneself HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\nCookie:"
" hellocatch\r\n\r\n";
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
TcpSession ssn;
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
memset(&f, 0, sizeof(f));
memset(&ssn, 0, sizeof(ssn));
p = UTHBuildPacket(httpbuf1, httplen1, IPPROTO_TCP);
FLOW_INITIALIZE(&f);
f.protoctx = (void *)&ssn;
f.proto = IPPROTO_TCP;
f.flags |= FLOW_IPV4;
p->flow = &f;
p->flowflags |= FLOW_PKT_TOSERVER;
p->flowflags |= FLOW_PKT_ESTABLISHED;
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
f.alproto = ALPROTO_HTTP;
StreamTcpInitConfig(TRUE);
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"foo\"; sid:1;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"one\"; sid:2;)");
if (s == NULL) {
goto end;
}
s = s->next = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"self\"; sid:3;)");
if (s == NULL) {
goto end;
}
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
FLOWLOCK_WRLOCK(&f);
int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_HTTP,
STREAM_TOSERVER, httpbuf1, httplen1);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
FLOWLOCK_UNLOCK(&f);
goto end;
}
FLOWLOCK_UNLOCK(&f);
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if ((PacketAlertCheck(p, 1))) {
printf("sig 1 alerted, but it should not: ");
goto end;
} else if (!PacketAlertCheck(p, 2)) {
printf("sig 2 did not alert, but it should: ");
goto end;
} else if ((PacketAlertCheck(p, 3))) {
printf("sig 3 alerted, but it should not: ");
goto end;
}
FLOWLOCK_WRLOCK(&f);
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_HTTP,
STREAM_TOSERVER, httpbuf2, httplen2);
if (r != 0) {
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
FLOWLOCK_UNLOCK(&f);
goto end;
}
FLOWLOCK_UNLOCK(&f);
http_state = f.alstate;
if (http_state == NULL) {
printf("no http state: ");
goto end;
}
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
if ((PacketAlertCheck(p, 1))) {
printf("sig 1 alerted, but it should not (chunk 2): ");
goto end;
} else if (!PacketAlertCheck(p, 2)) {
printf("sig 2 alerted, but it should not (chunk 2): ");
goto end;
} else if (!(PacketAlertCheck(p, 3))) {
printf("sig 3 did not alert, but it should (chunk 2): ");
goto end;
}
result = 1;
end:
if (alp_tctx != NULL)
AppLayerParserThreadCtxFree(alp_tctx);
if (de_ctx != NULL) SigGroupCleanup(de_ctx);
if (de_ctx != NULL) SigCleanSignatures(de_ctx);
if (det_ctx != NULL) DetectEngineThreadCtxDeinit(&th_v, det_ctx);
if (de_ctx != NULL) DetectEngineCtxFree(de_ctx);
StreamTcpFreeConfig(TRUE);
FLOW_DESTROY(&f);
UTHFreePackets(&p, 1);
return result;
}
/**
* \test Check that modifiers of content apply only to content keywords
* and the same for uricontent modifiers
*/
static int DetectUriSigTest04(void)
{
int result = 0;
Signature *s = NULL;
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL) {
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"foo\"; sid:1;)");
if (s == NULL ||
s->sm_lists[g_http_uri_buffer_id] == NULL ||
s->sm_lists[DETECT_SM_LIST_PMATCH] != NULL ||
s->sm_lists[DETECT_SM_LIST_MATCH] != NULL)
{
printf("sig 1 failed to parse: ");
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent and content\"; "
"uricontent:\"foo\"; content:\"bar\";sid:1;)");
if (s == NULL ||
s->sm_lists[g_http_uri_buffer_id] == NULL ||
s->sm_lists[DETECT_SM_LIST_PMATCH] == NULL ||
s->sm_lists[DETECT_SM_LIST_MATCH] != NULL)
{
printf("sig 2 failed to parse: ");
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent and content\"; "
"uricontent:\"foo\"; content:\"bar\";"
" depth:10; offset: 5; sid:1;)");
if (s == NULL ||
s->sm_lists[g_http_uri_buffer_id] == NULL ||
s->sm_lists[DETECT_SM_LIST_PMATCH] == NULL ||
((DetectContentData *)s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->depth != 15 ||
((DetectContentData *)s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->offset != 5 ||
s->sm_lists[DETECT_SM_LIST_MATCH] != NULL)
{
printf("sig 3 failed to parse: ");
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent and content\"; "
"content:\"foo\"; uricontent:\"bar\";"
" depth:10; offset: 5; sid:1;)");
if (s == NULL ||
s->sm_lists[g_http_uri_buffer_id] == NULL ||
s->sm_lists[DETECT_SM_LIST_PMATCH] == NULL ||
((DetectContentData *)s->sm_lists[g_http_uri_buffer_id]->ctx)->depth != 15 ||
((DetectContentData *)s->sm_lists[g_http_uri_buffer_id]->ctx)->offset != 5 ||
s->sm_lists[DETECT_SM_LIST_MATCH] != NULL)
{
printf("sig 4 failed to parse: ");
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent and content\"; "
"uricontent:\"foo\"; content:\"bar\";"
" depth:10; offset: 5; within:3; sid:1;)");
if (s != NULL) {
printf("sig 5 failed to parse: ");
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent and content\"; "
"uricontent:\"foo\"; content:\"bar\";"
" depth:10; offset: 5; distance:3; sid:1;)");
if (s != NULL) {
printf("sig 6 failed to parse: ");
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent and content\"; "
"uricontent:\"foo\"; content:\"bar\";"
" depth:10; offset: 5; content:"
"\"two_contents\"; within:30; sid:1;)");
if (s == NULL) {
goto end;
} else if (s->sm_lists[g_http_uri_buffer_id] == NULL ||
s->sm_lists[DETECT_SM_LIST_PMATCH] == NULL ||
((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->depth != 15 ||
((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->offset != 5 ||
((DetectContentData*) s->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx)->within != 30 ||
s->sm_lists[DETECT_SM_LIST_MATCH] != NULL)
{
printf("sig 7 failed to parse: ");
DetectContentPrint((DetectContentData*) s->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx);
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent and content\"; "
"uricontent:\"foo\"; content:\"bar\";"
" depth:10; offset: 5; uricontent:"
"\"two_uricontents\"; within:30; sid:1;)");
if (s == NULL) {
goto end;
} else if (s->sm_lists[g_http_uri_buffer_id] == NULL ||
s->sm_lists[DETECT_SM_LIST_PMATCH] == NULL ||
((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->depth != 15 ||
((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->offset != 5 ||
((DetectContentData*) s->sm_lists_tail[g_http_uri_buffer_id]->ctx)->within != 30 ||
s->sm_lists[DETECT_SM_LIST_MATCH] != NULL)
{
printf("sig 8 failed to parse: ");
DetectUricontentPrint((DetectContentData*) s->sm_lists_tail[g_http_uri_buffer_id]->ctx);
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent and content\"; "
"uricontent:\"foo\"; content:\"bar\";"
" depth:10; offset: 5; content:"
"\"two_contents\"; distance:30; sid:1;)");
if (s == NULL) {
goto end;
} else if (
s->sm_lists[g_http_uri_buffer_id] == NULL ||
s->sm_lists[DETECT_SM_LIST_PMATCH] == NULL ||
((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->depth != 15 ||
((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->offset != 5 ||
((DetectContentData*) s->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx)->distance != 30 ||
s->sm_lists[DETECT_SM_LIST_MATCH] != NULL)
{
printf("sig 9 failed to parse: ");
DetectContentPrint((DetectContentData*) s->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx);
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent and content\"; "
"uricontent:\"foo\"; content:\"bar\";"
" depth:10; offset: 5; uricontent:"
"\"two_uricontents\"; distance:30; sid:1;)");
if (s == NULL) {
goto end;
} else if (
s->sm_lists[g_http_uri_buffer_id] == NULL ||
s->sm_lists[DETECT_SM_LIST_PMATCH] == NULL ||
((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->depth != 15 ||
((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->offset != 5 ||
((DetectContentData*) s->sm_lists_tail[g_http_uri_buffer_id]->ctx)->distance != 30 ||
s->sm_lists[DETECT_SM_LIST_MATCH] != NULL)
{
printf("sig 10 failed to parse: ");
DetectUricontentPrint((DetectContentData*) s->sm_lists_tail[g_http_uri_buffer_id]->ctx);
goto end;
}
s = SigInit(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent and content\"; "
"uricontent:\"foo\"; content:\"bar\";"
" depth:10; offset: 5; uricontent:"
"\"two_uricontents\"; distance:30; "
"within:60; content:\"two_contents\";"
" within:70; distance:45; sid:1;)");
if (s == NULL) {
printf("sig 10 failed to parse: ");
goto end;
}
if (s->sm_lists[g_http_uri_buffer_id] == NULL || s->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
printf("umatch %p or pmatch %p: ", s->sm_lists[g_http_uri_buffer_id], s->sm_lists[DETECT_SM_LIST_PMATCH]);
goto end;
}
if ( ((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->depth != 15 ||
((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx)->offset != 5 ||
((DetectContentData*) s->sm_lists_tail[g_http_uri_buffer_id]->ctx)->distance != 30 ||
((DetectContentData*) s->sm_lists_tail[g_http_uri_buffer_id]->ctx)->within != 60 ||
((DetectContentData*) s->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx)->distance != 45 ||
((DetectContentData*) s->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx)->within != 70 ||
s->sm_lists[DETECT_SM_LIST_MATCH] != NULL) {
printf("sig 10 failed to parse, content not setup properly: ");
DetectContentPrint((DetectContentData*) s->sm_lists[DETECT_SM_LIST_PMATCH]->ctx);
DetectUricontentPrint((DetectContentData*) s->sm_lists_tail[g_http_uri_buffer_id]->ctx);
DetectContentPrint((DetectContentData*) s->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx);
goto end;
}
result = 1;
end:
if (de_ctx != NULL)
DetectEngineCtxFree(de_ctx);
return result;
}
/** \test Check the modifiers for uricontent and content
* match
*/
static int DetectUriSigTest05(void)
{
HtpState *http_state = NULL;
uint8_t httpbuf1[] = "POST /one/two/three HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\nCookie:"
" hellocatch\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
StreamTcpInitConfig(TRUE);
p = UTHBuildPacket(httpbuf1, httplen1, IPPROTO_TCP);
FAIL_IF_NULL(p);
p->tcph->th_seq = htonl(1000);
Flow *f = UTHBuildFlow(AF_INET, "192.168.1.5", "192.168.1.1", 41424, 80);
FAIL_IF_NULL(f);
f->proto = IPPROTO_TCP;
UTHAddSessionToFlow(f, 1000, 1000);
UTHAddStreamToFlow(f, 0, httpbuf1, httplen1);
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;
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
FAIL_IF_NULL(de_ctx);
de_ctx->flags |= DE_QUIET;
s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; uricontent:\"foo\"; sid:1;)");
FAIL_IF_NULL(s);
s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; uricontent:\"one\"; content:\"two\"; sid:2;)");
FAIL_IF_NULL(s);
s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; uricontent:\"one\"; offset:1; depth:10; "
"uricontent:\"two\"; distance:1; within: 4; uricontent:\"three\"; "
"distance:1; within: 6; sid:3;)");
FAIL_IF_NULL(s);
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParserParse(NULL, alp_tctx, f, ALPROTO_HTTP,
STREAM_TOSERVER, httpbuf1, httplen1);
FAIL_IF(r != 0);
http_state = f->alstate;
FAIL_IF_NULL(http_state);
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
FAIL_IF((PacketAlertCheck(p, 1)));
FAIL_IF(!PacketAlertCheck(p, 2));
FAIL_IF(!(PacketAlertCheck(p, 3)));
AppLayerParserThreadCtxFree(alp_tctx);
DetectEngineThreadCtxDeinit(&th_v, det_ctx);
DetectEngineCtxFree(de_ctx);
UTHRemoveSessionFromFlow(f);
UTHFreeFlow(f);
UTHFreePackets(&p, 1);
StreamTcpFreeConfig(TRUE);
PASS;
}
/** \test Check the modifiers for uricontent and content
* match
*/
static int DetectUriSigTest06(void)
{
HtpState *http_state = NULL;
uint8_t httpbuf1[] = "POST /one/two/three HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\nCookie:"
" hellocatch\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
StreamTcpInitConfig(TRUE);
p = UTHBuildPacket(httpbuf1, httplen1, IPPROTO_TCP);
FAIL_IF_NULL(p);
p->tcph->th_seq = htonl(1000);
Flow *f = UTHBuildFlow(AF_INET, "192.168.1.5", "192.168.1.1", 41424, 80);
FAIL_IF_NULL(f);
f->proto = IPPROTO_TCP;
UTHAddSessionToFlow(f, 1000, 1000);
UTHAddStreamToFlow(f, 0, httpbuf1, httplen1);
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;
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
FAIL_IF_NULL(de_ctx);
de_ctx->flags |= DE_QUIET;
s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"foo\"; content:\"bar\"; sid:1;)");
FAIL_IF_NULL(s);
s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"one\"; offset:1; depth:10; "
"content:\"one\"; offset:1; depth:10; "
"uricontent:\"two\"; distance:1; within: 4; "
"content:\"two\"; distance:1; within: 4; "
"uricontent:\"three\"; distance:1; within: 6; "
"content:\"/three\"; distance:0; within: 7; "
"sid:2;)");
FAIL_IF_NULL(s);
s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"one\"; offset:1; depth:10; "
"uricontent:\"two\"; distance:1; within: 4; "
"uricontent:\"three\"; distance:1; within: 6; "
"sid:3;)");
FAIL_IF_NULL(s);
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParserParse(NULL, alp_tctx, f, ALPROTO_HTTP,
STREAM_TOSERVER, httpbuf1, httplen1);
FAIL_IF(r != 0);
http_state = f->alstate;
FAIL_IF_NULL(http_state);
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
FAIL_IF((PacketAlertCheck(p, 1)));
FAIL_IF(!PacketAlertCheck(p, 2));
FAIL_IF(!(PacketAlertCheck(p, 3)));
AppLayerParserThreadCtxFree(alp_tctx);
DetectEngineThreadCtxDeinit(&th_v, det_ctx);
DetectEngineCtxFree(de_ctx);
UTHRemoveSessionFromFlow(f);
UTHFreeFlow(f);
UTHFreePackets(&p, 1);
StreamTcpFreeConfig(TRUE);
PASS;
}
/** \test Check the modifiers for uricontent and content
* match
*/
static int DetectUriSigTest07(void)
{
HtpState *http_state = NULL;
uint8_t httpbuf1[] = "POST /one/two/three HTTP/1.0\r\nUser-Agent: Mozilla/1.0\r\nCookie:"
" hellocatch\r\n\r\n";
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
Packet *p = NULL;
Signature *s = NULL;
ThreadVars th_v;
DetectEngineThreadCtx *det_ctx = NULL;
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
memset(&th_v, 0, sizeof(th_v));
StreamTcpInitConfig(TRUE);
p = UTHBuildPacket(httpbuf1, httplen1, IPPROTO_TCP);
FAIL_IF_NULL(p);
p->tcph->th_seq = htonl(1000);
Flow *f = UTHBuildFlow(AF_INET, "192.168.1.5", "192.168.1.1", 41424, 80);
FAIL_IF_NULL(f);
f->proto = IPPROTO_TCP;
UTHAddSessionToFlow(f, 1000, 1000);
UTHAddStreamToFlow(f, 0, httpbuf1, httplen1);
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;
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
FAIL_IF_NULL(de_ctx);
de_ctx->flags |= DE_QUIET;
s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"foo\"; content:\"bar\"; sid:1;)");
FAIL_IF_NULL(s);
s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"one\"; offset:1; depth:10; "
"content:\"one\"; offset:1; depth:10; "
"uricontent:\"two\"; distance:3; within: 4; "
"content:\"two\"; distance:1; within: 4; "
"uricontent:\"three\"; distance:1; within: 6; "
"content:\"/three\"; distance:0; within: 7; "
"sid:2;)");
FAIL_IF_NULL(s);
s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any (msg:"
"\" Test uricontent\"; "
"uricontent:\"one\"; offset:1; depth:10; "
"uricontent:\"two\"; distance:1; within: 4; "
"uricontent:\"six\"; distance:1; within: 6; "
"sid:3;)");
FAIL_IF_NULL(s);
SigGroupBuild(de_ctx);
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
int r = AppLayerParserParse(NULL, alp_tctx, f, ALPROTO_HTTP,
STREAM_TOSERVER, httpbuf1, httplen1);
FAIL_IF(r != 0);
http_state = f->alstate;
FAIL_IF_NULL(http_state);
/* do detect */
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
FAIL_IF((PacketAlertCheck(p, 1)));
FAIL_IF((PacketAlertCheck(p, 2)));
FAIL_IF((PacketAlertCheck(p, 3)));
AppLayerParserThreadCtxFree(alp_tctx);
DetectEngineThreadCtxDeinit(&th_v, det_ctx);
DetectEngineCtxFree(de_ctx);
UTHRemoveSessionFromFlow(f);
UTHFreeFlow(f);
UTHFreePackets(&p, 1);
StreamTcpFreeConfig(TRUE);
PASS;
}
/**
* \test Test content for dce sig.
*/
static int DetectUriSigTest08(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"\"; sid:238012;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Test content for dce sig.
*/
static int DetectUriSigTest09(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"; sid:238012;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Test content for dce sig.
*/
static int DetectUriSigTest10(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"boo; sid:238012;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Test content for dce sig.
*/
static int DetectUriSigTest11(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:boo\"; sid:238012;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriSigTest12(void)
{
DetectEngineCtx *de_ctx = NULL;
DetectContentData *ud = 0;
Signature *s = NULL;
int result = 0;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
s = de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent: !\"boo\"; sid:238012;)");
if (de_ctx->sig_list == NULL) {
printf("de_ctx->sig_list == NULL: ");
goto end;
}
if (s->sm_lists_tail[g_http_uri_buffer_id] == NULL || s->sm_lists_tail[g_http_uri_buffer_id]->ctx == NULL) {
printf("de_ctx->pmatch_tail == NULL && de_ctx->pmatch_tail->ctx == NULL: ");
goto end;
}
ud = (DetectContentData *)s->sm_lists_tail[g_http_uri_buffer_id]->ctx;
result = (strncmp("boo", (char *)ud->content, ud->content_len) == 0);
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest13(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"|\"; sid:1;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest14(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"|af\"; sid:1;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest15(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"af|\"; sid:1;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest16(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"|af|\"; sid:1;)");
if (de_ctx->sig_list == NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest17(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"aast|\"; sid:1;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest18(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"aast|af\"; sid:1;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest19(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"aast|af|\"; sid:1;)");
if (de_ctx->sig_list == NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest20(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"|af|asdf\"; sid:1;)");
if (de_ctx->sig_list == NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest21(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"|af|af|\"; sid:1;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest22(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"|af|af|af\"; sid:1;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest23(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
de_ctx = DetectEngineCtxInit();
if (de_ctx == NULL)
goto end;
de_ctx->flags |= DE_QUIET;
de_ctx->sig_list = SigInit(de_ctx,
"alert udp any any -> any any "
"(msg:\"test\"; uricontent:\"|af|af|af|\"; sid:1;)");
if (de_ctx->sig_list == NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
/**
* \test Parsing test
*/
static int DetectUriContentParseTest24(void)
{
DetectEngineCtx *de_ctx = NULL;
int result = 1;
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:\"test\"; uricontent:\"\"; sid:1;)");
if (de_ctx->sig_list != NULL) {
result = 0;
goto end;
}
end:
SigGroupCleanup(de_ctx);
SigCleanSignatures(de_ctx);
DetectEngineCtxFree(de_ctx);
return result;
}
static int DetectUricontentIsdataatParseTest(void)
{
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
FAIL_IF_NULL(de_ctx);
de_ctx->flags |= DE_QUIET;
Signature *s = DetectEngineAppendSig(de_ctx,
"alert tcp any any -> any any ("
"uricontent:\"one\"; "
"isdataat:!4,relative; sid:1;)");
FAIL_IF_NULL(s);
SigMatch *sm = s->init_data->smlists_tail[g_http_uri_buffer_id];
FAIL_IF_NULL(sm);
FAIL_IF_NOT(sm->type == DETECT_ISDATAAT);
DetectIsdataatData *data = (DetectIsdataatData *)sm->ctx;
FAIL_IF_NOT(data->flags & ISDATAAT_RELATIVE);
FAIL_IF_NOT(data->flags & ISDATAAT_NEGATED);
FAIL_IF(data->flags & ISDATAAT_RAWBYTES);
DetectEngineCtxFree(de_ctx);
PASS;
}
#endif /* UNITTESTS */
static void DetectUricontentRegisterTests(void)
{
#ifdef UNITTESTS
UtRegisterTest("HTTPUriTest01", HTTPUriTest01);
UtRegisterTest("HTTPUriTest02", HTTPUriTest02);
UtRegisterTest("HTTPUriTest03", HTTPUriTest03);
UtRegisterTest("HTTPUriTest04", HTTPUriTest04);
UtRegisterTest("DetectUriSigTest01", DetectUriSigTest01);
UtRegisterTest("DetectUriSigTest02", DetectUriSigTest02);
UtRegisterTest("DetectUriSigTest03", DetectUriSigTest03);
UtRegisterTest("DetectUriSigTest04 - Modifiers", DetectUriSigTest04);
UtRegisterTest("DetectUriSigTest05 - Inspection", DetectUriSigTest05);
UtRegisterTest("DetectUriSigTest06 - Inspection", DetectUriSigTest06);
UtRegisterTest("DetectUriSigTest07 - Inspection", DetectUriSigTest07);
UtRegisterTest("DetectUriSigTest08", DetectUriSigTest08);
UtRegisterTest("DetectUriSigTest09", DetectUriSigTest09);
UtRegisterTest("DetectUriSigTest10", DetectUriSigTest10);
UtRegisterTest("DetectUriSigTest11", DetectUriSigTest11);
UtRegisterTest("DetectUriSigTest12", DetectUriSigTest12);
UtRegisterTest("DetectUriContentParseTest13", DetectUriContentParseTest13);
UtRegisterTest("DetectUriContentParseTest14", DetectUriContentParseTest14);
UtRegisterTest("DetectUriContentParseTest15", DetectUriContentParseTest15);
UtRegisterTest("DetectUriContentParseTest16", DetectUriContentParseTest16);
UtRegisterTest("DetectUriContentParseTest17", DetectUriContentParseTest17);
UtRegisterTest("DetectUriContentParseTest18", DetectUriContentParseTest18);
UtRegisterTest("DetectUriContentParseTest19", DetectUriContentParseTest19);
UtRegisterTest("DetectUriContentParseTest20", DetectUriContentParseTest20);
UtRegisterTest("DetectUriContentParseTest21", DetectUriContentParseTest21);
UtRegisterTest("DetectUriContentParseTest22", DetectUriContentParseTest22);
UtRegisterTest("DetectUriContentParseTest23", DetectUriContentParseTest23);
UtRegisterTest("DetectUriContentParseTest24", DetectUriContentParseTest24);
UtRegisterTest("DetectUricontentIsdataatParseTest",
DetectUricontentIsdataatParseTest);
#endif /* UNITTESTS */
}