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2208 lines
59 KiB
C
2208 lines
59 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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/** \file
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*
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* \author Anoop Saldanha <anoopsaldanha@gmail.com>
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*
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* \brief Handle HTTP method match
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*
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*/
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#include "../suricata-common.h"
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#include "../suricata.h"
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#include "../flow-util.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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#include "../detect-isdataat.h"
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#include "../detect-engine-build.h"
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#include "../detect-engine-alert.h"
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/**
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* \test Test that the http_method content matches against a http request
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* which holds the content.
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*/
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static int DetectEngineHttpMethodTest01(void)
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{
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TcpSession ssn;
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Packet *p = 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_buf[] =
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"GET /index.html HTTP/1.0\r\n"
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"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
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uint32_t http_len = sizeof(http_buf) - 1;
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int result = 0;
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AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
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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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p = 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.proto = IPPROTO_TCP;
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f.flags |= FLOW_IPV4;
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p->flow = &f;
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p->flowflags |= FLOW_PKT_TOSERVER;
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p->flowflags |= FLOW_PKT_ESTABLISHED;
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p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
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f.alproto = ALPROTO_HTTP1;
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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 header test\"; "
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"content:\"GET\"; http_method; "
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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 = AppLayerParserParse(
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NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
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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: ");
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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, p);
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if (!(PacketAlertCheck(p, 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 (alp_tctx != NULL)
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AppLayerParserThreadCtxFree(alp_tctx);
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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(&p, 1);
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return result;
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}
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/**
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* \test Test that the http_method content matches against a http request
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* which holds the content.
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*/
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static int DetectEngineHttpMethodTest02(void)
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{
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TcpSession ssn;
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Packet *p = 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_buf[] =
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"CONNECT /index.html HTTP/1.0\r\n"
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"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
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uint32_t http_len = sizeof(http_buf) - 1;
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int result = 0;
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AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
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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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p = 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.proto = IPPROTO_TCP;
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f.flags |= FLOW_IPV4;
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p->flow = &f;
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p->flowflags |= FLOW_PKT_TOSERVER;
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p->flowflags |= FLOW_PKT_ESTABLISHED;
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p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
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f.alproto = ALPROTO_HTTP1;
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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 header test\"; "
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"content:\"CO\"; depth:4; http_method; "
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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 = AppLayerParserParse(
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NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
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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: ");
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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, p);
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if (!(PacketAlertCheck(p, 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 (alp_tctx != NULL)
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AppLayerParserThreadCtxFree(alp_tctx);
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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(&p, 1);
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return result;
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}
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/**
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* \test Test that the http_method content matches against a http request
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* which holds the content.
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*/
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static int DetectEngineHttpMethodTest03(void)
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{
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TcpSession ssn;
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Packet *p = 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_buf[] =
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"CONNECT /index.html HTTP/1.0\r\n"
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"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
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uint32_t http_len = sizeof(http_buf) - 1;
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int result = 0;
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AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
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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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p = 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.proto = IPPROTO_TCP;
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f.flags |= FLOW_IPV4;
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p->flow = &f;
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p->flowflags |= FLOW_PKT_TOSERVER;
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p->flowflags |= FLOW_PKT_ESTABLISHED;
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p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
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f.alproto = ALPROTO_HTTP1;
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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 header test\"; "
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"content:!\"ECT\"; depth:4; http_method; "
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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 = AppLayerParserParse(
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NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
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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: ");
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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, p);
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if (!(PacketAlertCheck(p, 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 (alp_tctx != NULL)
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AppLayerParserThreadCtxFree(alp_tctx);
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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(&p, 1);
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return result;
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}
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/**
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* \test Test that the http_method content matches against a http request
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* which holds the content.
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*/
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static int DetectEngineHttpMethodTest04(void)
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{
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TcpSession ssn;
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Packet *p = 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_buf[] =
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"CONNECT /index.html HTTP/1.0\r\n"
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"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
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uint32_t http_len = sizeof(http_buf) - 1;
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int result = 0;
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AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
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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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p = 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.proto = IPPROTO_TCP;
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f.flags |= FLOW_IPV4;
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p->flow = &f;
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p->flowflags |= FLOW_PKT_TOSERVER;
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p->flowflags |= FLOW_PKT_ESTABLISHED;
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p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
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f.alproto = ALPROTO_HTTP1;
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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 header test\"; "
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"content:\"ECT\"; depth:4; http_method; "
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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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|
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int r = AppLayerParserParse(
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NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
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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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|
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http_state = f.alstate;
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if (http_state == NULL) {
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printf("no http state: ");
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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, p);
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|
|
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if (PacketAlertCheck(p, 1)) {
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printf("sid 1 matched but shouldn't have: ");
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goto end;
|
|
}
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result = 1;
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end:
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if (alp_tctx != NULL)
|
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AppLayerParserThreadCtxFree(alp_tctx);
|
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if (de_ctx != NULL)
|
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DetectEngineCtxFree(de_ctx);
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|
|
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StreamTcpFreeConfig(true);
|
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FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
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|
return result;
|
|
}
|
|
|
|
/**
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|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest05(void)
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|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:!\"CON\"; depth:4; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest06(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:\"ECT\"; offset:3; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (!(PacketAlertCheck(p, 1))) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest07(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:!\"CO\"; offset:3; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (!(PacketAlertCheck(p, 1))) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest08(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:!\"ECT\"; offset:3; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest09(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:\"CON\"; offset:3; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest10(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:\"CO\"; http_method; "
|
|
"content:\"EC\"; within:4; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (!PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest11(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:\"CO\"; http_method; "
|
|
"content:!\"EC\"; within:3; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (!PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest12(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:\"CO\"; http_method; "
|
|
"content:\"EC\"; within:3; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest13(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:\"CO\"; http_method; "
|
|
"content:!\"EC\"; within:4; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest14(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:\"CO\"; http_method; "
|
|
"content:\"EC\"; distance:2; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (!PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest15(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:\"CO\"; http_method; "
|
|
"content:!\"EC\"; distance:3; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (!PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest16(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:\"CO\"; http_method; "
|
|
"content:\"EC\"; distance:3; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_method content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectEngineHttpMethodTest17(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"CONNECT /index.html HTTP/1.0\r\n"
|
|
"Host: www.onetwothreefourfivesixseven.org\r\n\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http header test\"; "
|
|
"content:\"CO\"; http_method; "
|
|
"content:!\"EC\"; distance:2; http_method; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (PacketAlertCheck(p, 1)) {
|
|
printf("sid 1 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/** \test Check a signature with content */
|
|
static int DetectHttpMethodTest01(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(msg:\"Testing http_method\"; "
|
|
"content:\"GET\"; "
|
|
"http_method; sid:1;)");
|
|
|
|
if (de_ctx->sig_list != NULL) {
|
|
result = 1;
|
|
} else {
|
|
printf("sig parse failed: ");
|
|
}
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
/** \test Check a signature without content (fail) */
|
|
static int DetectHttpMethodTest02(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(msg:\"Testing http_method\"; "
|
|
"http_method; sid:1;)");
|
|
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 1;
|
|
}
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
/** \test Check a signature with parameter (fail) */
|
|
static int DetectHttpMethodTest03(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(msg:\"Testing http_method\"; "
|
|
"content:\"foobar\"; "
|
|
"http_method:\"GET\"; sid:1;)");
|
|
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 1;
|
|
}
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
/** \test Check a signature with fast_pattern (should work) */
|
|
static int DetectHttpMethodTest04(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(msg:\"Testing http_method\"; "
|
|
"content:\"GET\"; "
|
|
"fast_pattern; "
|
|
"http_method; sid:1;)");
|
|
|
|
if (de_ctx->sig_list != NULL) {
|
|
result = 1;
|
|
}
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
/** \test Check a signature with rawbytes (fail) */
|
|
static int DetectHttpMethodTest05(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(msg:\"Testing http_method\"; "
|
|
"content:\"GET\"; "
|
|
"rawbytes; "
|
|
"http_method; sid:1;)");
|
|
|
|
if (de_ctx->sig_list == NULL) {
|
|
result = 1;
|
|
}
|
|
|
|
end:
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
/** \test Check a signature with an known request method */
|
|
static int DetectHttpMethodSigTest01(void)
|
|
{
|
|
int result = 0;
|
|
Flow f;
|
|
uint8_t httpbuf1[] = "GET / HTTP/1.0\r\n"
|
|
"Host: foo.bar.tld\r\n"
|
|
"\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
Signature *s = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
s = de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(msg:\"Testing http_method\"; "
|
|
"content:\"GET\"; "
|
|
"http_method; sid:1;)");
|
|
if (s == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
s = s->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(msg:\"Testing http_method\"; "
|
|
"content:\"POST\"; "
|
|
"http_method; sid:2;)");
|
|
if (s == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
SCLogDebug("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
SCLogDebug("no http state: ");
|
|
goto end;
|
|
}
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (!(PacketAlertCheck(p, 1))) {
|
|
goto end;
|
|
}
|
|
if (PacketAlertCheck(p, 2)) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/** \test Check a signature with an unknown request method */
|
|
static int DetectHttpMethodSigTest02(void)
|
|
{
|
|
int result = 0;
|
|
Flow f;
|
|
uint8_t httpbuf1[] = "FOO / HTTP/1.0\r\n"
|
|
"Host: foo.bar.tld\r\n"
|
|
"\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
Signature *s = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
s = de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(msg:\"Testing http_method\"; "
|
|
"content:\"FOO\"; "
|
|
"http_method; sid:1;)");
|
|
if (s == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
s = s->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(msg:\"Testing http_method\"; "
|
|
"content:\"BAR\"; "
|
|
"http_method; sid:2;)");
|
|
if (s == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
SCLogDebug("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
SCLogDebug("no http state: ");
|
|
goto end;
|
|
}
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (!(PacketAlertCheck(p, 1))) {
|
|
goto end;
|
|
}
|
|
if (PacketAlertCheck(p, 2)) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (det_ctx != NULL)
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *) det_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/** \test Check a signature against an unparsable request */
|
|
static int DetectHttpMethodSigTest03(void)
|
|
{
|
|
int result = 0;
|
|
Flow f;
|
|
uint8_t httpbuf1[] = " ";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
Signature *s = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
s = de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any "
|
|
"(msg:\"Testing http_method\"; "
|
|
"content:\"GET\"; "
|
|
"http_method; sid:1;)");
|
|
if (s == NULL) {
|
|
SCLogDebug("Bad signature");
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
SCLogDebug("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
SCLogDebug("no http state: ");
|
|
goto end;
|
|
}
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (PacketAlertCheck(p, 1)) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/** \test Check a signature with an request method and negation of the same */
|
|
static int DetectHttpMethodSigTest04(void)
|
|
{
|
|
int result = 0;
|
|
Flow f;
|
|
uint8_t httpbuf1[] = "GET / HTTP/1.0\r\n"
|
|
"Host: foo.bar.tld\r\n"
|
|
"\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
Signature *s = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
|
|
p->flow = &f;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP1;
|
|
|
|
StreamTcpInitConfig(true);
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
s = de_ctx->sig_list = SigInit(de_ctx,
|
|
"alert tcp any any -> any any (msg:\"Testing http_method\"; "
|
|
"content:\"GET\"; http_method; sid:1;)");
|
|
if (s == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
s = s->next = SigInit(de_ctx,
|
|
"alert tcp any any -> any any (msg:\"Testing http_method\"; "
|
|
"content:!\"GET\"; http_method; sid:2;)");
|
|
if (s == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
int r = AppLayerParserParse(
|
|
NULL, alp_tctx, &f, ALPROTO_HTTP1, STREAM_TOSERVER, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
SCLogDebug("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
goto end;
|
|
}
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
SCLogDebug("no http state: ");
|
|
goto end;
|
|
}
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
if (!(PacketAlertCheck(p, 1))) {
|
|
printf("sid 1 didn't match but should have: ");
|
|
goto end;
|
|
}
|
|
if (PacketAlertCheck(p, 2)) {
|
|
printf("sid 2 matched but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (det_ctx != NULL) {
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *) det_ctx);
|
|
}
|
|
if (de_ctx != NULL) {
|
|
DetectEngineCtxFree(de_ctx);
|
|
}
|
|
|
|
StreamTcpFreeConfig(true);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
static int DetectHttpMethodIsdataatParseTest(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 ("
|
|
"content:\"one\"; http_method; "
|
|
"isdataat:!4,relative; sid:1;)");
|
|
FAIL_IF_NULL(s);
|
|
|
|
SigMatch *sm = DetectBufferGetLastSigMatch(s, g_http_method_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;
|
|
}
|
|
|
|
/**
|
|
* \brief this function registers unit tests for DetectHttpMethod
|
|
*/
|
|
void DetectHttpMethodRegisterTests(void)
|
|
{
|
|
UtRegisterTest("DetectHttpMethodTest01", DetectHttpMethodTest01);
|
|
UtRegisterTest("DetectHttpMethodTest02", DetectHttpMethodTest02);
|
|
UtRegisterTest("DetectHttpMethodTest03", DetectHttpMethodTest03);
|
|
UtRegisterTest("DetectHttpMethodTest04", DetectHttpMethodTest04);
|
|
UtRegisterTest("DetectHttpMethodTest05", DetectHttpMethodTest05);
|
|
UtRegisterTest("DetectHttpMethodSigTest01", DetectHttpMethodSigTest01);
|
|
UtRegisterTest("DetectHttpMethodSigTest02", DetectHttpMethodSigTest02);
|
|
UtRegisterTest("DetectHttpMethodSigTest03", DetectHttpMethodSigTest03);
|
|
UtRegisterTest("DetectHttpMethodSigTest04", DetectHttpMethodSigTest04);
|
|
|
|
UtRegisterTest("DetectHttpMethodIsdataatParseTest",
|
|
DetectHttpMethodIsdataatParseTest);
|
|
UtRegisterTest("DetectEngineHttpMethodTest01",
|
|
DetectEngineHttpMethodTest01);
|
|
UtRegisterTest("DetectEngineHttpMethodTest02",
|
|
DetectEngineHttpMethodTest02);
|
|
UtRegisterTest("DetectEngineHttpMethodTest03",
|
|
DetectEngineHttpMethodTest03);
|
|
UtRegisterTest("DetectEngineHttpMethodTest04",
|
|
DetectEngineHttpMethodTest04);
|
|
UtRegisterTest("DetectEngineHttpMethodTest05",
|
|
DetectEngineHttpMethodTest05);
|
|
UtRegisterTest("DetectEngineHttpMethodTest06",
|
|
DetectEngineHttpMethodTest06);
|
|
UtRegisterTest("DetectEngineHttpMethodTest07",
|
|
DetectEngineHttpMethodTest07);
|
|
UtRegisterTest("DetectEngineHttpMethodTest08",
|
|
DetectEngineHttpMethodTest08);
|
|
UtRegisterTest("DetectEngineHttpMethodTest09",
|
|
DetectEngineHttpMethodTest09);
|
|
UtRegisterTest("DetectEngineHttpMethodTest10",
|
|
DetectEngineHttpMethodTest10);
|
|
UtRegisterTest("DetectEngineHttpMethodTest11",
|
|
DetectEngineHttpMethodTest11);
|
|
UtRegisterTest("DetectEngineHttpMethodTest12",
|
|
DetectEngineHttpMethodTest12);
|
|
UtRegisterTest("DetectEngineHttpMethodTest13",
|
|
DetectEngineHttpMethodTest13);
|
|
UtRegisterTest("DetectEngineHttpMethodTest14",
|
|
DetectEngineHttpMethodTest14);
|
|
UtRegisterTest("DetectEngineHttpMethodTest15",
|
|
DetectEngineHttpMethodTest15);
|
|
UtRegisterTest("DetectEngineHttpMethodTest16",
|
|
DetectEngineHttpMethodTest16);
|
|
UtRegisterTest("DetectEngineHttpMethodTest17",
|
|
DetectEngineHttpMethodTest17);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|