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2111 lines
63 KiB
C
2111 lines
63 KiB
C
/* Copyright (C) 2007-2012 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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* Implements support for the http_user_agent keyword.
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*/
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#include "suricata-common.h"
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#include "threads.h"
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#include "decode.h"
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#include "detect.h"
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#include "detect-parse.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-state.h"
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#include "detect-content.h"
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#include "detect-pcre.h"
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#include "flow.h"
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#include "flow-var.h"
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#include "flow-util.h"
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#include "util-debug.h"
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#include "util-unittest.h"
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#include "util-unittest-helper.h"
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#include "util-spm.h"
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#include "app-layer.h"
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#include "app-layer-parser.h"
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#include "app-layer-htp.h"
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#include "stream-tcp.h"
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#include "detect-http-ua.h"
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int DetectHttpUASetup(DetectEngineCtx *, Signature *, char *);
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void DetectHttpUARegisterTests(void);
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void DetectHttpUAFree(void *);
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/**
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* \brief Registers the keyword handlers for the "http_user_agent" keyword.
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*/
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void DetectHttpUARegister(void)
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{
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].name = "http_user_agent";
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].desc = "content modifier to match only on the HTTP User-Agent header";
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].url = "https://redmine.openinfosecfoundation.org/projects/suricata/wiki/HTTP-keywords#http_user_agent";
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].Match = NULL;
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].AppLayerMatch = NULL;
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].Setup = DetectHttpUASetup;
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].Free = DetectHttpUAFree;
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].RegisterTests = DetectHttpUARegisterTests;
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].alproto = ALPROTO_HTTP;
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].flags |= SIGMATCH_NOOPT;
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sigmatch_table[DETECT_AL_HTTP_USER_AGENT].flags |= SIGMATCH_PAYLOAD ;
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return;
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}
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/**
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* \brief The setup function for the http_user_agent keyword for a signature.
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*
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* \param de_ctx Pointer to the detection engine context.
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* \param s Pointer to the signature for the current Signature being
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* parsed from the rules.
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* \param m Pointer to the head of the SigMatch for the current rule
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* being parsed.
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* \param arg Pointer to the string holding the keyword value.
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*
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* \retval 0 On success
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* \retval -1 On failure
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*/
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int DetectHttpUASetup(DetectEngineCtx *de_ctx, Signature *s, char *arg)
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{
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return DetectEngineContentModifierBufferSetup(de_ctx, s, arg,
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DETECT_AL_HTTP_USER_AGENT,
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DETECT_SM_LIST_HUADMATCH,
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ALPROTO_HTTP,
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NULL);
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}
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/**
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* \brief The function to free the http_user_agent data.
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*
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* \param ptr Pointer to the http_user_agent.
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*/
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void DetectHttpUAFree(void *ptr)
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{
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DetectContentData *huad = (DetectContentData *)ptr;
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if (huad == NULL)
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return;
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if (huad->content != NULL)
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SCFree(huad->content);
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BoyerMooreCtxDeInit(huad->bm_ctx);
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SCFree(huad);
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return;
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}
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/************************************Unittests*********************************/
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#ifdef UNITTESTS
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#include "stream-tcp-reassemble.h"
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/**
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* \test Test that a signature containting a http_user_agent is correctly parsed
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* and the keyword is registered.
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*/
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static int DetectHttpUATest01(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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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 tcp any any -> any any "
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"(msg:\"Testing http_user_agent\"; "
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"content:\"one\"; http_user_agent; sid:1;)");
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if (de_ctx->sig_list != NULL) {
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result = 1;
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} else {
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goto end;
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}
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end:
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SigGroupCleanup(de_ctx);
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SigCleanSignatures(de_ctx);
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DetectEngineCtxFree(de_ctx);
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return result;
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}
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/**
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* \test Test that a signature containing an valid http_user_agent entry is
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* parsed.
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*/
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static int DetectHttpUATest02(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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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 tcp any any -> any any "
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"(msg:\"Testing http_user_agent\"; "
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"content:\"one\"; http_user_agent:; sid:1;)");
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if (de_ctx->sig_list != NULL)
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result = 1;
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end:
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SigGroupCleanup(de_ctx);
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SigCleanSignatures(de_ctx);
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DetectEngineCtxFree(de_ctx);
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return result;
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}
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/**
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* \test Test that an invalid signature containing no content but a
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* http_user_agent is invalidated.
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*/
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static int DetectHttpUATest03(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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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 tcp any any -> any any "
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"(msg:\"Testing http_user_agent\"; "
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"http_user_agent; sid:1;)");
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if (de_ctx->sig_list == NULL)
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result = 1;
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end:
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SigGroupCleanup(de_ctx);
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SigCleanSignatures(de_ctx);
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DetectEngineCtxFree(de_ctx);
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return result;
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}
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/**
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* \test Test that an invalid signature containing a rawbytes along with a
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* http_user_agent is invalidated.
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*/
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static int DetectHttpUATest04(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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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 tcp any any -> any any "
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"(msg:\"Testing http_user_agent\"; "
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"content:\"one\"; rawbytes; http_user_agent; sid:1;)");
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if (de_ctx->sig_list == NULL)
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result = 1;
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end:
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SigGroupCleanup(de_ctx);
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SigCleanSignatures(de_ctx);
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DetectEngineCtxFree(de_ctx);
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return result;
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}
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/**
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* \test Test that a http_user_agent with nocase is parsed.
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*/
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static int DetectHttpUATest05(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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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 tcp any any -> any any "
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"(msg:\"Testing http_user_agent\"; "
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"content:\"one\"; http_user_agent; nocase; sid:1;)");
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if (de_ctx->sig_list != NULL)
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result = 1;
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end:
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SigGroupCleanup(de_ctx);
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SigCleanSignatures(de_ctx);
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DetectEngineCtxFree(de_ctx);
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return result;
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}
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/**
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*\test Test that the http_user_agent content matches against a http request
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* which holds the content.
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*/
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static int DetectHttpUATest06(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.openinfosecfoundation.org\r\n"
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"User-Agent: This is dummy message body\r\n"
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"Content-Type: text/html\r\n"
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"\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_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 user agent test\"; "
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"content:\"message\"; http_user_agent; "
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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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SCMutexLock(&f.m);
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int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, 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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SCMutexUnlock(&f.m);
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goto end;
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}
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SCMutexUnlock(&f.m);
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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, p);
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if (!(PacketAlertCheck(p, 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 (alp_tctx != NULL)
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AppLayerParserThreadCtxFree(alp_tctx);
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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(&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_user_agent content matches against a http request
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* which holds the content.
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*/
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static int DetectHttpUATest07(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 http1_buf[] =
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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: This is dummy message";
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uint8_t http2_buf[] =
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"body1\r\n\r\n";
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uint32_t http1_len = sizeof(http1_buf) - 1;
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uint32_t http2_len = sizeof(http2_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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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.proto = IPPROTO_TCP;
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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_TOSERVER;
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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 "
|
|
"(msg:\"http user agent test\"; "
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|
"content:\"message\"; http_user_agent; "
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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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SCMutexLock(&f.m);
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int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http1_buf, http1_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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SCMutexUnlock(&f.m);
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goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
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printf("no http state: ");
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goto end;
|
|
}
|
|
|
|
/* do detect */
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SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
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|
|
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if (PacketAlertCheck(p1, 1)) {
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printf("sid 1 matched on p1 but shouldn't have: ");
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goto end;
|
|
}
|
|
|
|
SCMutexLock(&f.m);
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r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
|
|
if (r != 0) {
|
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printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
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SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p2);
|
|
if (!(PacketAlertCheck(p2, 1))) {
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printf("sid 1 didn't match on p2 but should have: ");
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|
goto end;
|
|
}
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|
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result = 1;
|
|
end:
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
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SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
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|
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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;
|
|
}
|
|
|
|
/**
|
|
*\test Test that the http_user_agent content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectHttpUATest08(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p1 = NULL;
|
|
Packet *p2 = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http1_buf[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: This is dummy mess";
|
|
uint8_t http2_buf[] =
|
|
"age body\r\n\r\n";
|
|
uint32_t http1_len = sizeof(http1_buf) - 1;
|
|
uint32_t http2_len = sizeof(http2_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
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.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
|
|
p1->flow = &f;
|
|
p1->flowflags |= FLOW_PKT_TOSERVER;
|
|
p1->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
p2->flow = &f;
|
|
p2->flowflags |= FLOW_PKT_TOSERVER;
|
|
p2->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http user agent test\"; "
|
|
"content:\"message\"; http_user_agent; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SCMutexLock(&f.m);
|
|
int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http1_buf, http1_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if ((PacketAlertCheck(p1, 1))) {
|
|
printf("sid 1 didn't match but should have");
|
|
goto end;
|
|
}
|
|
|
|
SCMutexLock(&f.m);
|
|
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
/* 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 (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
*\test Test that the http_user_agent content matches against a http request
|
|
* which holds the content, against a cross boundary present pattern.
|
|
*/
|
|
static int DetectHttpUATest09(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p1 = NULL;
|
|
Packet *p2 = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http1_buf[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: This is dummy body1";
|
|
uint8_t http2_buf[] =
|
|
"This is dummy message body2\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy body1";
|
|
uint32_t http1_len = sizeof(http1_buf) - 1;
|
|
uint32_t http2_len = sizeof(http2_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
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.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
|
|
p1->flow = &f;
|
|
p1->flowflags |= FLOW_PKT_TOSERVER;
|
|
p1->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
p2->flow = &f;
|
|
p2->flowflags |= FLOW_PKT_TOSERVER;
|
|
p2->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http user agent test\"; "
|
|
"content:\"body1This\"; http_user_agent; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SCMutexLock(&f.m);
|
|
int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http1_buf, http1_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if ((PacketAlertCheck(p1, 1))) {
|
|
printf("sid 1 didn't match but should have");
|
|
goto end;
|
|
}
|
|
|
|
SCMutexLock(&f.m);
|
|
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
/* 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 (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
*\test Test that the http_user_agent content matches against a http request
|
|
* against a case insensitive pattern.
|
|
*/
|
|
static int DetectHttpUATest10(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p1 = NULL;
|
|
Packet *p2 = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http1_buf[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: This is dummy bodY1";
|
|
uint8_t http2_buf[] =
|
|
"This is dummy message body2\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"Content-Length: 46\r\n"
|
|
"\r\n"
|
|
"This is dummy bodY1";
|
|
uint32_t http1_len = sizeof(http1_buf) - 1;
|
|
uint32_t http2_len = sizeof(http2_buf) - 1;
|
|
int result = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
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.proto = IPPROTO_TCP;
|
|
f.flags |= FLOW_IPV4;
|
|
|
|
p1->flow = &f;
|
|
p1->flowflags |= FLOW_PKT_TOSERVER;
|
|
p1->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p1->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
p2->flow = &f;
|
|
p2->flowflags |= FLOW_PKT_TOSERVER;
|
|
p2->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p2->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
f.alproto = ALPROTO_HTTP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
de_ctx->sig_list = SigInit(de_ctx,"alert http any any -> any any "
|
|
"(msg:\"http user agent test\"; "
|
|
"content:\"body1this\"; http_user_agent; nocase;"
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SCMutexLock(&f.m);
|
|
int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http1_buf, http1_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
http_state = f.alstate;
|
|
if (http_state == NULL) {
|
|
printf("no http state: \n");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p1);
|
|
|
|
if ((PacketAlertCheck(p1, 1))) {
|
|
printf("sid 1 didn't match but should have\n");
|
|
goto end;
|
|
}
|
|
|
|
SCMutexLock(&f.m);
|
|
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http2_buf, http2_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: \n", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
/* 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 (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p1, 1);
|
|
UTHFreePackets(&p2, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
*\test Test that the negated http_user_agent content matches against a
|
|
* http request which doesn't hold the content.
|
|
*/
|
|
static int DetectHttpUATest11(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: This is dummy message body\r\n"
|
|
"Content-Type: text/html\r\n"
|
|
"\r\n";
|
|
uint32_t http_len = sizeof(http_buf) - 1;
|
|
int result = 0;
|
|
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_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 user agent test\"; "
|
|
"content:!\"message\"; http_user_agent; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SCMutexLock(&f.m);
|
|
int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
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)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
*\test Negative test that the negated http_user_agent content matches against a
|
|
* http request which holds hold the content.
|
|
*/
|
|
static int DetectHttpUATest12(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: This is dummy body\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_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 user agent test\"; "
|
|
"content:!\"message\"; http_user_agent; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SCMutexLock(&f.m);
|
|
int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
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)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test Test that the http_user_agent content matches against a http request
|
|
* which holds the content.
|
|
*/
|
|
static int DetectHttpUATest13(void)
|
|
{
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
ThreadVars th_v;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
HtpState *http_state = NULL;
|
|
Flow f;
|
|
uint8_t http_buf[] =
|
|
"GET /index.html HTTP/1.0\r\n"
|
|
"Host: www.openinfosecfoundation.org\r\n"
|
|
"User-Agent: longbufferabcdefghijklmnopqrstuvwxyz0123456789bufferend\r\n"
|
|
"Content-Type: text/html\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_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 user agent test\"; "
|
|
"content:\"abcdefghijklmnopqrstuvwxyz0123456789\"; http_user_agent; "
|
|
"sid:1;)");
|
|
if (de_ctx->sig_list == NULL)
|
|
goto end;
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SCMutexLock(&f.m);
|
|
int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, http_buf, http_len);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
result = 0;
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
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)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
SigCleanSignatures(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* \test multiple http transactions and body chunks of request handling
|
|
*/
|
|
static int DetectHttpUATest14(void)
|
|
{
|
|
int result = 0;
|
|
Signature *s = NULL;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
ThreadVars th_v;
|
|
Flow f;
|
|
TcpSession ssn;
|
|
Packet *p = NULL;
|
|
uint8_t httpbuf1[] = "POST / HTTP/1.1\r\n";
|
|
uint8_t httpbuf2[] = "Cookie: dummy1\r\n";
|
|
uint8_t httpbuf3[] = "User-Agent: Body one!!\r\n\r\n";
|
|
uint32_t httplen1 = sizeof(httpbuf1) - 1; /* minus the \0 */
|
|
uint32_t httplen2 = sizeof(httpbuf2) - 1; /* minus the \0 */
|
|
uint32_t httplen3 = sizeof(httpbuf3) - 1; /* minus the \0 */
|
|
uint8_t httpbuf4[] = "GET /?var=val HTTP/1.1\r\n";
|
|
uint8_t httpbuf5[] = "Cookie: dummy2\r\n";
|
|
uint8_t httpbuf6[] = "User-Agent: Body two\r\n\r\n";
|
|
uint32_t httplen4 = sizeof(httpbuf4) - 1; /* minus the \0 */
|
|
uint32_t httplen5 = sizeof(httpbuf5) - 1; /* minus the \0 */
|
|
uint32_t httplen6 = sizeof(httpbuf6) - 1; /* minus the \0 */
|
|
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_HTTP;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
if (de_ctx == NULL) {
|
|
goto end;
|
|
}
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (content:\"POST\"; http_method; content:\"dummy1\"; http_cookie; content:\"Body one\"; http_user_agent; sid:1; rev:1;)");
|
|
if (s == NULL) {
|
|
printf("sig parse failed: ");
|
|
goto end;
|
|
}
|
|
s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any (content:\"GET\"; http_method; content:\"dummy2\"; http_cookie; content:\"Body two\"; http_user_agent; sid:2; rev:1;)");
|
|
if (s == NULL) {
|
|
printf("sig2 parse failed: ");
|
|
goto end;
|
|
}
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
SCMutexLock(&f.m);
|
|
int r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf1, httplen1);
|
|
if (r != 0) {
|
|
printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
if (PacketAlertCheck(p, 1)) {
|
|
printf("sig 1 alerted: ");
|
|
goto end;
|
|
}
|
|
p->alerts.cnt = 0;
|
|
|
|
SCMutexLock(&f.m);
|
|
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf2, httplen2);
|
|
if (r != 0) {
|
|
printf("toserver chunk 2 returned %" PRId32 ", expected 0: ", r);
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
if (PacketAlertCheck(p, 1)) {
|
|
printf("sig 1 alerted (2): ");
|
|
goto end;
|
|
}
|
|
p->alerts.cnt = 0;
|
|
|
|
SCMutexLock(&f.m);
|
|
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf3, httplen3);
|
|
if (r != 0) {
|
|
printf("toserver chunk 3 returned %" PRId32 ", expected 0: ", r);
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
if (!(PacketAlertCheck(p, 1))) {
|
|
printf("sig 1 didn't alert: ");
|
|
goto end;
|
|
}
|
|
p->alerts.cnt = 0;
|
|
|
|
SCMutexLock(&f.m);
|
|
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf4, httplen4);
|
|
if (r != 0) {
|
|
printf("toserver chunk 5 returned %" PRId32 ", expected 0: ", r);
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
if (PacketAlertCheck(p, 1) || PacketAlertCheck(p, 2)) {
|
|
printf("sig 1 alerted (4): ");
|
|
goto end;
|
|
}
|
|
p->alerts.cnt = 0;
|
|
|
|
SCMutexLock(&f.m);
|
|
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf5, httplen5);
|
|
if (r != 0) {
|
|
printf("toserver chunk 6 returned %" PRId32 ", expected 0: ", r);
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
if ((PacketAlertCheck(p, 1)) || (PacketAlertCheck(p, 2))) {
|
|
printf("sig 1 alerted (request 2, chunk 6): ");
|
|
goto end;
|
|
}
|
|
p->alerts.cnt = 0;
|
|
|
|
SCLogDebug("sending data chunk 7");
|
|
|
|
SCMutexLock(&f.m);
|
|
r = AppLayerParserParse(alp_tctx, &f, ALPROTO_HTTP, STREAM_TOSERVER, httpbuf6, httplen6);
|
|
if (r != 0) {
|
|
printf("toserver chunk 7 returned %" PRId32 ", expected 0: ", r);
|
|
SCMutexUnlock(&f.m);
|
|
goto end;
|
|
}
|
|
SCMutexUnlock(&f.m);
|
|
|
|
/* do detect */
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
if (PacketAlertCheck(p, 1) || !(PacketAlertCheck(p, 2))) {
|
|
printf("signature 2 didn't match or sig 1 matched, but shouldn't have: ");
|
|
goto end;
|
|
}
|
|
p->alerts.cnt = 0;
|
|
|
|
HtpState *htp_state = f.alstate;
|
|
if (htp_state == NULL) {
|
|
printf("no http state: ");
|
|
result = 0;
|
|
goto end;
|
|
}
|
|
|
|
if (AppLayerParserGetTxCnt(IPPROTO_TCP, ALPROTO_HTTP, htp_state) != 2) {
|
|
printf("The http app layer doesn't have 2 transactions, but it should: ");
|
|
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) {
|
|
SigGroupCleanup(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
}
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePacket(p);
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int DetectHttpUATest22(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; content:\"two\"; http_user_agent; "
|
|
"content:\"three\"; distance:10; http_user_agent; content:\"four\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
DetectContentData *cd1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
|
|
DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
|
|
DetectContentData *huad1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectContentData *huad2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (cd1->flags != 0 || memcmp(cd1->content, "one", cd1->content_len) != 0 ||
|
|
cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 ||
|
|
huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
|
|
memcmp(huad1->content, "two", huad1->content_len) != 0 ||
|
|
huad2->flags != DETECT_CONTENT_DISTANCE ||
|
|
memcmp(huad2->content, "three", huad1->content_len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
if (!DETECT_CONTENT_IS_SINGLE(cd1) ||
|
|
!DETECT_CONTENT_IS_SINGLE(cd2) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad1) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad2)) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest23(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; http_user_agent; pcre:/two/; "
|
|
"content:\"three\"; distance:10; http_user_agent; content:\"four\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
|
|
DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
|
|
DetectContentData *huad1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectContentData *huad2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (pd1->flags != 0 ||
|
|
cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 ||
|
|
huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
|
|
memcmp(huad1->content, "one", huad1->content_len) != 0 ||
|
|
huad2->flags != DETECT_CONTENT_DISTANCE ||
|
|
memcmp(huad2->content, "three", huad1->content_len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
if (!DETECT_CONTENT_IS_SINGLE(cd2) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad1) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad2)) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest24(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; http_user_agent; pcre:/two/; "
|
|
"content:\"three\"; distance:10; within:15; http_user_agent; content:\"four\"; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
|
|
DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
|
|
DetectContentData *huad1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectContentData *huad2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (pd1->flags != 0 ||
|
|
cd2->flags != 0 || memcmp(cd2->content, "four", cd2->content_len) != 0 ||
|
|
huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
|
|
memcmp(huad1->content, "one", huad1->content_len) != 0 ||
|
|
huad2->flags != (DETECT_CONTENT_DISTANCE | DETECT_CONTENT_WITHIN) ||
|
|
memcmp(huad2->content, "three", huad1->content_len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
if (!DETECT_CONTENT_IS_SINGLE(cd2) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad1) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad2)) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest25(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; http_user_agent; pcre:/two/; "
|
|
"content:\"three\"; distance:10; http_user_agent; "
|
|
"content:\"four\"; distance:10; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
|
|
DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
|
|
DetectContentData *huad1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectContentData *huad2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (pd1->flags != DETECT_PCRE_RELATIVE_NEXT ||
|
|
cd2->flags != DETECT_CONTENT_DISTANCE ||
|
|
memcmp(cd2->content, "four", cd2->content_len) != 0 ||
|
|
huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
|
|
memcmp(huad1->content, "one", huad1->content_len) != 0 ||
|
|
huad2->flags != DETECT_CONTENT_DISTANCE ||
|
|
memcmp(huad2->content, "three", huad1->content_len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
if (DETECT_CONTENT_IS_SINGLE(cd2) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad1) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad2)) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest26(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; offset:10; http_user_agent; pcre:/two/; "
|
|
"content:\"three\"; distance:10; http_user_agent; within:10; "
|
|
"content:\"four\"; distance:10; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
|
|
DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
|
|
DetectContentData *huad1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectContentData *huad2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) ||
|
|
cd2->flags != DETECT_CONTENT_DISTANCE ||
|
|
memcmp(cd2->content, "four", cd2->content_len) != 0 ||
|
|
huad1->flags != (DETECT_CONTENT_RELATIVE_NEXT | DETECT_CONTENT_OFFSET) ||
|
|
memcmp(huad1->content, "one", huad1->content_len) != 0 ||
|
|
huad2->flags != (DETECT_CONTENT_DISTANCE | DETECT_CONTENT_WITHIN) ||
|
|
memcmp(huad2->content, "three", huad1->content_len) != 0) {
|
|
printf ("failed: http_user_agent incorrect flags");
|
|
goto end;
|
|
}
|
|
|
|
if (DETECT_CONTENT_IS_SINGLE(cd2) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad1) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad2)) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest27(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; offset:10; http_user_agent; pcre:/two/; "
|
|
"content:\"three\"; distance:10; http_user_agent; within:10; "
|
|
"content:\"four\"; distance:10; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest28(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; http_user_agent; pcre:/two/; "
|
|
"content:\"three\"; http_user_agent; depth:10; "
|
|
"content:\"four\"; distance:10; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->prev->ctx;
|
|
DetectContentData *cd2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx;
|
|
DetectContentData *huad1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectContentData *huad2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) ||
|
|
cd2->flags != DETECT_CONTENT_DISTANCE ||
|
|
memcmp(cd2->content, "four", cd2->content_len) != 0 ||
|
|
huad1->flags != 0 ||
|
|
memcmp(huad1->content, "one", huad1->content_len) != 0 ||
|
|
huad2->flags != DETECT_CONTENT_DEPTH ||
|
|
memcmp(huad2->content, "three", huad1->content_len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
if (DETECT_CONTENT_IS_SINGLE(cd2) ||
|
|
!DETECT_CONTENT_IS_SINGLE(huad1) ||
|
|
DETECT_CONTENT_IS_SINGLE(huad2)) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest29(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; http_user_agent; "
|
|
"content:\"two\"; distance:0; http_user_agent; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
DetectContentData *huad1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectContentData *huad2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
|
|
memcmp(huad1->content, "one", huad1->content_len) != 0 ||
|
|
huad2->flags != DETECT_CONTENT_DISTANCE ||
|
|
memcmp(huad2->content, "two", huad1->content_len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest30(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; http_user_agent; "
|
|
"content:\"two\"; within:5; http_user_agent; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
DetectContentData *huad1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectContentData *huad2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
|
|
memcmp(huad1->content, "one", huad1->content_len) != 0 ||
|
|
huad2->flags != DETECT_CONTENT_WITHIN ||
|
|
memcmp(huad2->content, "two", huad1->content_len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest31(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; within:5; http_user_agent; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest32(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; http_user_agent; within:5; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list != NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest33(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"one\"; within:5; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest34(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(pcre:/one/V; "
|
|
"content:\"two\"; within:5; http_user_agent; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH] == NULL ||
|
|
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->type != DETECT_CONTENT ||
|
|
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev == NULL ||
|
|
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->type != DETECT_PCRE) {
|
|
|
|
goto end;
|
|
}
|
|
|
|
DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectContentData *huad2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) ||
|
|
huad2->flags != DETECT_CONTENT_WITHIN ||
|
|
memcmp(huad2->content, "two", huad2->content_len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest35(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(content:\"two\"; http_user_agent; "
|
|
"pcre:/one/VR; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH] == NULL ||
|
|
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->type != DETECT_PCRE ||
|
|
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev == NULL ||
|
|
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->type != DETECT_CONTENT) {
|
|
|
|
goto end;
|
|
}
|
|
|
|
DetectContentData *huad1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectPcreData *pd2 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (pd2->flags != (DETECT_PCRE_RELATIVE) ||
|
|
huad1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
|
|
memcmp(huad1->content, "two", huad1->content_len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
int DetectHttpUATest36(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
int result = 0;
|
|
|
|
if ( (de_ctx = DetectEngineCtxInit()) == NULL)
|
|
goto end;
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
|
|
"(pcre:/one/V; "
|
|
"content:\"two\"; distance:5; http_user_agent; sid:1;)");
|
|
if (de_ctx->sig_list == NULL) {
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL) {
|
|
printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HUADMATCH] == NULL\n");
|
|
goto end;
|
|
}
|
|
|
|
if (de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH] == NULL ||
|
|
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->type != DETECT_CONTENT ||
|
|
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev == NULL ||
|
|
de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->type != DETECT_PCRE) {
|
|
|
|
goto end;
|
|
}
|
|
|
|
DetectPcreData *pd1 = (DetectPcreData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->prev->ctx;
|
|
DetectContentData *huad2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HUADMATCH]->ctx;
|
|
if (pd1->flags != (DETECT_PCRE_RELATIVE_NEXT) ||
|
|
huad2->flags != DETECT_CONTENT_DISTANCE ||
|
|
memcmp(huad2->content, "two", huad2->content_len) != 0) {
|
|
goto end;
|
|
}
|
|
|
|
result = 1;
|
|
|
|
end:
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
return result;
|
|
}
|
|
|
|
#endif /* UNITTESTS */
|
|
|
|
void DetectHttpUARegisterTests(void)
|
|
{
|
|
#ifdef UNITTESTS
|
|
UtRegisterTest("DetectHttpUATest01", DetectHttpUATest01, 1);
|
|
UtRegisterTest("DetectHttpUATest02", DetectHttpUATest02, 1);
|
|
UtRegisterTest("DetectHttpUATest03", DetectHttpUATest03, 1);
|
|
UtRegisterTest("DetectHttpUATest04", DetectHttpUATest04, 1);
|
|
UtRegisterTest("DetectHttpUATest05", DetectHttpUATest05, 1);
|
|
UtRegisterTest("DetectHttpUATest06", DetectHttpUATest06, 1);
|
|
UtRegisterTest("DetectHttpUATest07", DetectHttpUATest07, 1);
|
|
UtRegisterTest("DetectHttpUATest08", DetectHttpUATest08, 1);
|
|
UtRegisterTest("DetectHttpUATest09", DetectHttpUATest09, 1);
|
|
UtRegisterTest("DetectHttpUATest10", DetectHttpUATest10, 1);
|
|
UtRegisterTest("DetectHttpUATest11", DetectHttpUATest11, 1);
|
|
UtRegisterTest("DetectHttpUATest12", DetectHttpUATest12, 1);
|
|
UtRegisterTest("DetectHttpUATest13", DetectHttpUATest13, 1);
|
|
UtRegisterTest("DetectHttpUATest14", DetectHttpUATest14, 1);
|
|
|
|
UtRegisterTest("DetectHttpUATest22", DetectHttpUATest22, 1);
|
|
UtRegisterTest("DetectHttpUATest23", DetectHttpUATest23, 1);
|
|
UtRegisterTest("DetectHttpUATest24", DetectHttpUATest24, 1);
|
|
UtRegisterTest("DetectHttpUATest25", DetectHttpUATest25, 1);
|
|
UtRegisterTest("DetectHttpUATest26", DetectHttpUATest26, 1);
|
|
UtRegisterTest("DetectHttpUATest27", DetectHttpUATest27, 1);
|
|
UtRegisterTest("DetectHttpUATest28", DetectHttpUATest28, 1);
|
|
UtRegisterTest("DetectHttpUATest29", DetectHttpUATest29, 1);
|
|
UtRegisterTest("DetectHttpUATest30", DetectHttpUATest30, 1);
|
|
UtRegisterTest("DetectHttpUATest31", DetectHttpUATest31, 1);
|
|
UtRegisterTest("DetectHttpUATest32", DetectHttpUATest32, 1);
|
|
UtRegisterTest("DetectHttpUATest33", DetectHttpUATest33, 1);
|
|
UtRegisterTest("DetectHttpUATest34", DetectHttpUATest34, 1);
|
|
UtRegisterTest("DetectHttpUATest35", DetectHttpUATest35, 1);
|
|
UtRegisterTest("DetectHttpUATest36", DetectHttpUATest36, 1);
|
|
#endif /* UNITTESTS */
|
|
|
|
return;
|
|
}
|
|
/**
|
|
* @}
|
|
*/
|