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1962 lines
54 KiB
C
1962 lines
54 KiB
C
/* Copyright (C) 2007-2010 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \ingroup httplayer
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*
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* @{
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*/
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/**
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* \file
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*
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* \author Anoop Saldanha <anoopsaldanha@gmail.com>
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*/
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#include "suricata-common.h"
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#include "suricata.h"
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#include "decode.h"
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#include "detect.h"
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#include "detect-engine.h"
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#include "detect-engine-mpm.h"
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#include "detect-engine-hsmd.h"
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#include "detect-parse.h"
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#include "detect-engine-state.h"
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#include "detect-engine-content-inspection.h"
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#include "flow-util.h"
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#include "util-debug.h"
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#include "util-print.h"
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#include "flow.h"
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#include "app-layer-parser.h"
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#include "util-unittest.h"
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#include "util-unittest-helper.h"
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#include "app-layer.h"
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#include "app-layer-htp.h"
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#include "app-layer-protos.h"
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/**
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* \brief Run the mpm against http stat msg.
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*
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* \retval cnt Number of matches reported by the mpm algo.
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*/
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int DetectEngineRunHttpStatMsgMpm(DetectEngineThreadCtx *det_ctx, Flow *f,
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HtpState *htp_state, uint8_t flags)
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{
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SCEnter();
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uint32_t cnt = 0;
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if (htp_state == NULL) {
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SCLogDebug("no HTTP state");
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SCReturnInt(0);
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}
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/* locking the flow, we will inspect the htp state */
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FLOWLOCK_RDLOCK(f);
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if (htp_state->connp == NULL || htp_state->connp->conn == NULL) {
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SCLogDebug("HTP state has no conn(p)");
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goto end;
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}
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int idx = AppLayerTransactionGetInspectId(f);
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if (idx == -1) {
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goto end;
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}
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htp_tx_t *tx = NULL;
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int size = (int)list_size(htp_state->connp->conn->transactions);
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for ( ; idx < size; idx++)
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{
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tx = list_get(htp_state->connp->conn->transactions, idx);
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if (tx == NULL || tx->response_message == NULL)
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continue;
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cnt += HttpStatMsgPatternSearch(det_ctx,
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(uint8_t *)bstr_ptr(tx->response_message),
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bstr_len(tx->response_message), flags);
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}
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end:
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FLOWLOCK_UNLOCK(f);
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SCReturnInt(cnt);
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}
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/**
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* \brief Do the http_stat_msg content inspection for a signature.
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*
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* \param de_ctx Detection engine context.
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* \param det_ctx Detection engine thread context.
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* \param s Signature to inspect.
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* \param f Flow.
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* \param flags App layer flags.
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* \param state App layer state.
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*
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* \retval 0 No match.
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* \retval 1 Match.
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*/
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int DetectEngineInspectHttpStatMsg(ThreadVars *tv,
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DetectEngineCtx *de_ctx,
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DetectEngineThreadCtx *det_ctx,
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Signature *s, Flow *f, uint8_t flags,
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void *alstate, int tx_id)
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{
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HtpState *htp_state = (HtpState *)alstate;
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htp_tx_t *tx = list_get(htp_state->connp->conn->transactions, tx_id);
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if (tx == NULL || tx->response_message == NULL)
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return 0;
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det_ctx->discontinue_matching = 0;
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det_ctx->buffer_offset = 0;
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det_ctx->inspection_recursion_counter = 0;
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int r = DetectEngineContentInspection(de_ctx, det_ctx, s,
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s->sm_lists[DETECT_SM_LIST_HSMDMATCH],
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f,
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(uint8_t *)bstr_ptr(tx->response_message),
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bstr_len(tx->response_message),
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DETECT_ENGINE_CONTENT_INSPECTION_MODE_HSMD, NULL);
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if (r == 1)
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return 1;
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return 0;
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}
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/***********************************Unittests**********************************/
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#ifdef UNITTESTS
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static int DetectEngineHttpStatMsgTest01(void)
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{
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TcpSession ssn;
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Packet *p1 = NULL;
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Packet *p2 = NULL;
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ThreadVars th_v;
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DetectEngineCtx *de_ctx = NULL;
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DetectEngineThreadCtx *det_ctx = NULL;
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HtpState *http_state = NULL;
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Flow f;
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uint8_t http_buf1[] =
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"GET /index.html HTTP/1.0\r\n"
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"Host: www.openinfosecfoundation.org\r\n"
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"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
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"\r\n";
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uint32_t http_len1 = sizeof(http_buf1) - 1;
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uint8_t http_buf2[] =
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"HTTP/1.0 200 message\r\n"
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"Content-Type: text/html\r\n"
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"Content-Length: 7\r\n"
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"\r\n"
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"message";
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uint32_t http_len2 = sizeof(http_buf2) - 1;
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int result = 0;
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memset(&th_v, 0, sizeof(th_v));
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memset(&f, 0, sizeof(f));
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memset(&ssn, 0, sizeof(ssn));
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p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
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p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
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FLOW_INITIALIZE(&f);
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f.protoctx = (void *)&ssn;
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f.flags |= FLOW_IPV4;
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p1->flow = &f;
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p1->flowflags |= FLOW_PKT_TOSERVER;
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p1->flowflags |= FLOW_PKT_ESTABLISHED;
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p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
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p2->flow = &f;
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p2->flowflags |= FLOW_PKT_TOCLIENT;
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p2->flowflags |= FLOW_PKT_ESTABLISHED;
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p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
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f.alproto = ALPROTO_HTTP;
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StreamTcpInitConfig(TRUE);
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de_ctx = DetectEngineCtxInit();
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if (de_ctx == NULL)
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goto end;
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de_ctx->flags |= DE_QUIET;
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de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
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"(msg:\"http stat msg test\"; "
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"content:\"message\"; http_stat_msg; "
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"sid:1;)");
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if (de_ctx->sig_list == NULL)
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goto end;
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SigGroupBuild(de_ctx);
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DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
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int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf1, http_len1);
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if (r != 0) {
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printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
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result = 0;
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goto end;
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}
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http_state = f.alstate;
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if (http_state == NULL) {
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printf("no http state: \n");
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result = 0;
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goto end;
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}
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/* do detect */
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SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
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if ((PacketAlertCheck(p1, 1))) {
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printf("sid 1 matched but shouldn't have\n");
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goto end;
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}
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r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
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if (r != 0) {
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printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
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result = 0;
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goto end;
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}
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/* do detect */
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SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
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if (!(PacketAlertCheck(p2, 1))) {
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printf("sid 1 didn't match but should have");
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goto end;
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}
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result = 1;
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end:
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if (de_ctx != NULL)
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SigGroupCleanup(de_ctx);
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if (de_ctx != NULL)
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SigCleanSignatures(de_ctx);
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if (de_ctx != NULL)
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DetectEngineCtxFree(de_ctx);
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StreamTcpFreeConfig(TRUE);
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FLOW_DESTROY(&f);
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UTHFreePackets(&p1, 1);
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UTHFreePackets(&p2, 1);
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return result;
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}
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static int DetectEngineHttpStatMsgTest02(void)
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{
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TcpSession ssn;
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Packet *p1 = NULL;
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ThreadVars th_v;
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DetectEngineCtx *de_ctx = NULL;
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DetectEngineThreadCtx *det_ctx = NULL;
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HtpState *http_state = NULL;
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Flow f;
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uint8_t http_buf1[] =
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"GET /index.html HTTP/1.0\r\n"
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"Host: www.openinfosecfoundation.org\r\n"
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"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
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"\r\n";
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uint32_t http_len1 = sizeof(http_buf1) - 1;
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uint8_t http_buf2[] =
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"HTTP/1.0 200 xxxxABC\r\n"
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"Content-Type: text/html\r\n"
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"Content-Length: 7\r\n"
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"\r\n"
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"xxxxABC";
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uint32_t http_len2 = sizeof(http_buf2) - 1;
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int result = 0;
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memset(&th_v, 0, sizeof(th_v));
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memset(&f, 0, sizeof(f));
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memset(&ssn, 0, sizeof(ssn));
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p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
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FLOW_INITIALIZE(&f);
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f.protoctx = (void *)&ssn;
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f.flags |= FLOW_IPV4;
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p1->flow = &f;
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p1->flowflags |= FLOW_PKT_TOCLIENT;
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p1->flowflags |= FLOW_PKT_ESTABLISHED;
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p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
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f.alproto = ALPROTO_HTTP;
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StreamTcpInitConfig(TRUE);
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de_ctx = DetectEngineCtxInit();
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if (de_ctx == NULL)
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goto end;
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de_ctx->flags |= DE_QUIET;
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de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
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"(msg:\"http stat msg test\"; "
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"content:\"ABC\"; http_stat_msg; offset:4; "
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"sid:1;)");
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if (de_ctx->sig_list == NULL)
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goto end;
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SigGroupBuild(de_ctx);
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DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
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int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf1, http_len1);
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if (r != 0) {
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printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
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result = 0;
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goto end;
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}
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r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
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if (r != 0) {
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printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
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result = 0;
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goto end;
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}
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http_state = f.alstate;
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if (http_state == NULL) {
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printf("no http state: \n");
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result = 0;
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goto end;
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}
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/* do detect */
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SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
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if (!(PacketAlertCheck(p1, 1))) {
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printf("sid 1 didn't match but should have\n");
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goto end;
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}
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result = 1;
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end:
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if (de_ctx != NULL)
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SigGroupCleanup(de_ctx);
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if (de_ctx != NULL)
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SigCleanSignatures(de_ctx);
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if (de_ctx != NULL)
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DetectEngineCtxFree(de_ctx);
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StreamTcpFreeConfig(TRUE);
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FLOW_DESTROY(&f);
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UTHFreePackets(&p1, 1);
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return result;
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}
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static int DetectEngineHttpStatMsgTest03(void)
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{
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TcpSession ssn;
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Packet *p1 = NULL;
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Packet *p2 = NULL;
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ThreadVars th_v;
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DetectEngineCtx *de_ctx = NULL;
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DetectEngineThreadCtx *det_ctx = NULL;
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HtpState *http_state = NULL;
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Flow f;
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int result = 0;
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uint8_t http_buf1[] =
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"GET /index.html HTTP/1.0\r\n"
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"Host: www.openinfosecfoundation.org\r\n"
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"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
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"\r\n";
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uint32_t http_len1 = sizeof(http_buf1) - 1;
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uint8_t http_buf2[] =
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"HTTP/1.0 200 1234567";
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uint32_t http_len2 = sizeof(http_buf2) - 1;
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uint8_t http_buf3[] =
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"8901234ABC\r\n"
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"Content-Type: text/html\r\n"
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"Content-Length: 17\r\n"
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"\r\n"
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"12345678901234ABC";
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uint32_t http_len3 = sizeof(http_buf3) - 1;
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memset(&th_v, 0, sizeof(th_v));
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memset(&f, 0, sizeof(f));
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memset(&ssn, 0, sizeof(ssn));
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p1 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
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p2 = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
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FLOW_INITIALIZE(&f);
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f.protoctx = (void *)&ssn;
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f.flags |= FLOW_IPV4;
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p1->flow = &f;
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p1->flowflags |= FLOW_PKT_TOSERVER;
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p1->flowflags |= FLOW_PKT_ESTABLISHED;
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p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
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p2->flow = &f;
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p2->flowflags |= FLOW_PKT_TOCLIENT;
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p2->flowflags |= FLOW_PKT_ESTABLISHED;
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p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
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f.alproto = ALPROTO_HTTP;
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StreamTcpInitConfig(TRUE);
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de_ctx = DetectEngineCtxInit();
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if (de_ctx == NULL)
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goto end;
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de_ctx->flags |= DE_QUIET;
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de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
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"(msg:\"http stat msg test\"; "
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"content:\"ABC\"; http_stat_msg; offset:14; "
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"sid:1;)");
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if (de_ctx->sig_list == NULL)
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goto end;
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SigGroupBuild(de_ctx);
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DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
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int r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf1, http_len1);
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if (r != 0) {
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printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
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result = 0;
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goto end;
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}
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http_state = f.alstate;
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if (http_state == NULL) {
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printf("no http state: \n");
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result = 0;
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goto end;
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}
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|
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/* do detect */
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SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
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if (PacketAlertCheck(p1, 1)) {
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printf("sid 1 matched but shouldn't have\n");
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goto end;
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}
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r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
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if (r != 0) {
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printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
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result = 0;
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goto end;
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}
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r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf3, http_len3);
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if (r != 0) {
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printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
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result = 0;
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goto end;
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}
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/* do detect */
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SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
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if (!(PacketAlertCheck(p2, 1))) {
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printf("sid 1 didn't match but should have");
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goto end;
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}
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result = 1;
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end:
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if (de_ctx != NULL)
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SigGroupCleanup(de_ctx);
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if (de_ctx != NULL)
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SigCleanSignatures(de_ctx);
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if (de_ctx != NULL)
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DetectEngineCtxFree(de_ctx);
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StreamTcpFreeConfig(TRUE);
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FLOW_DESTROY(&f);
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UTHFreePackets(&p1, 1);
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UTHFreePackets(&p2, 1);
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return result;
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}
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static int DetectEngineHttpStatMsgTest04(void)
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{
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TcpSession ssn;
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Packet *p1 = NULL;
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Packet *p2 = NULL;
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ThreadVars th_v;
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DetectEngineCtx *de_ctx = NULL;
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DetectEngineThreadCtx *det_ctx = NULL;
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HtpState *http_state = NULL;
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Flow f;
|
|
uint8_t http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"content:!\"abc\"; http_stat_msg; offset:3; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
|
|
|
|
if (!PacketAlertCheck(p2, 1)) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest05(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"content:\"abc\"; http_stat_msg; depth:3; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
|
|
|
|
if (!PacketAlertCheck(p2, 1)) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest06(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"content:!\"def\"; http_stat_msg; depth:3; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
|
|
|
|
if (!PacketAlertCheck(p2, 1)) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest07(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"content:!\"def\"; http_stat_msg; offset:3; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
|
|
|
|
if (PacketAlertCheck(p2, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest08(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"content:!\"abc\"; http_stat_msg; depth:3; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
|
|
|
|
if (PacketAlertCheck(p2, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest09(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"content:\"abc\"; http_stat_msg; depth:3; "
|
|
"content:\"def\"; http_stat_msg; within:3; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
|
|
|
|
if (!PacketAlertCheck(p2, 1)) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest10(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"content:\"abc\"; http_stat_msg; depth:3; "
|
|
"content:!\"xyz\"; http_stat_msg; within:3; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
|
|
|
|
if (!PacketAlertCheck(p2, 1)) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest11(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"content:\"abc\"; http_stat_msg; depth:3; "
|
|
"content:\"xyz\"; http_stat_msg; within:3; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
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 did match but should not have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest12(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"content:\"ab\"; http_stat_msg; depth:2; "
|
|
"content:\"ef\"; http_stat_msg; distance:2; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
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 did not match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest13(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"content:\"ab\"; http_stat_msg; depth:3; "
|
|
"content:!\"yz\"; http_stat_msg; distance:2; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
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 did not match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest14(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"pcre:/ab/Y; "
|
|
"content:\"ef\"; http_stat_msg; distance:2; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
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 did not match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectEngineHttpStatMsgTest15(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 http_buf1[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n"
|
|
"\r\n";
|
|
uint32_t http_len1 = sizeof(http_buf1) - 1;
|
|
uint8_t http_buf2[] =
|
|
"HTTP/1.0 200 abcdef\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 6\r\n"
|
|
"\r\n"
|
|
"abcdef";
|
|
uint32_t http_len2 = sizeof(http_buf2) - 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_TOCLIENT;
|
|
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 stat msg test\"; "
|
|
"pcre:/abc/Y; "
|
|
"content:!\"xyz\"; http_stat_msg; distance:0; within:3; "
|
|
"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_buf1, http_len1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if (PacketAlertCheck(p1, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
r = AppLayerParse(NULL, &f, ALPROTO_HTTP, STREAM_TOCLIENT, http_buf2, http_len2);
|
|
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 did not 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;
|
|
}
|
|
|
|
#endif /* UNITTESTS */
|
|
|
|
void DetectEngineHttpStatMsgRegisterTests(void)
|
|
{
|
|
|
|
#ifdef UNITTESTS
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest01",
|
|
DetectEngineHttpStatMsgTest01, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest02",
|
|
DetectEngineHttpStatMsgTest02, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest03",
|
|
DetectEngineHttpStatMsgTest03, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest04",
|
|
DetectEngineHttpStatMsgTest04, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest05",
|
|
DetectEngineHttpStatMsgTest05, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest06",
|
|
DetectEngineHttpStatMsgTest06, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest07",
|
|
DetectEngineHttpStatMsgTest07, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest08",
|
|
DetectEngineHttpStatMsgTest08, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest09",
|
|
DetectEngineHttpStatMsgTest09, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest10",
|
|
DetectEngineHttpStatMsgTest10, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest11",
|
|
DetectEngineHttpStatMsgTest11, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest12",
|
|
DetectEngineHttpStatMsgTest12, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest13",
|
|
DetectEngineHttpStatMsgTest13, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest14",
|
|
DetectEngineHttpStatMsgTest14, 1);
|
|
UtRegisterTest("DetectEngineHttpStatMsgTest15",
|
|
DetectEngineHttpStatMsgTest15, 1);
|
|
#endif /* UNITTESTS */
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|