/* Copyright (C) 2007-2010 Open Information Security Foundation * * You can copy, redistribute or modify this Program under the terms of * the GNU General Public License version 2 as published by the Free * Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * version 2 along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ /** * \ingroup httplayer * * @{ */ /** * \file * * \author Anoop Saldanha */ #include "suricata-common.h" #include "threads.h" #include "debug.h" #include "decode.h" #include "detect.h" #include "detect-parse.h" #include "detect-engine.h" #include "detect-engine-mpm.h" #include "detect-content.h" #include "detect-pcre.h" #include "flow.h" #include "flow-var.h" #include "util-debug.h" #include "util-unittest.h" #include "util-spm.h" #include "util-print.h" #include "app-layer.h" #include #include "app-layer-htp.h" #include "detect-http-raw-uri.h" #include "stream-tcp.h" static int DetectHttpRawUriSetup(DetectEngineCtx *, Signature *, char *); static void DetectHttpRawUriRegisterTests(void); /** * \brief Registration function for keyword http_raw_uri. */ void DetectHttpRawUriRegister(void) { sigmatch_table[DETECT_AL_HTTP_RAW_URI].name = "http_raw_uri"; sigmatch_table[DETECT_AL_HTTP_RAW_URI].Match = NULL; sigmatch_table[DETECT_AL_HTTP_RAW_URI].AppLayerMatch = NULL; sigmatch_table[DETECT_AL_HTTP_RAW_URI].alproto = ALPROTO_HTTP; sigmatch_table[DETECT_AL_HTTP_RAW_URI].Setup = DetectHttpRawUriSetup; sigmatch_table[DETECT_AL_HTTP_RAW_URI].Free = NULL; sigmatch_table[DETECT_AL_HTTP_RAW_URI].RegisterTests = DetectHttpRawUriRegisterTests; sigmatch_table[DETECT_AL_HTTP_RAW_URI].flags |= SIGMATCH_PAYLOAD; return; } /** * \brief Sets up the http_raw_uri modifier keyword. * * \param de_ctx Pointer to the Detection Engine Context. * \param s Pointer to the Signature to which the current keyword belongs. * \param arg Should hold an empty string always. * * \retval 0 On success. * \retval -1 On failure. */ static int DetectHttpRawUriSetup(DetectEngineCtx *de_ctx, Signature *s, char *arg) { DetectContentData *cd = NULL; SigMatch *sm = NULL; if (arg != NULL && strcmp(arg, "") != 0) { SCLogError(SC_ERR_INVALID_ARGUMENT, "http_raw_uri shouldn't be " "supplied with an argument"); goto error; } sm = DetectContentGetLastPattern(s->sm_lists_tail[DETECT_SM_LIST_PMATCH]); if (sm == NULL) { SCLogError(SC_ERR_INVALID_SIGNATURE, "\"http_raw_uri\" keyword " "found inside the rule without a content context. " "Please use a \"content\" keyword before using the " "\"http_raw_uri\" keyword"); goto error; } cd = (DetectContentData *)sm->ctx; /* http_raw_uri should not be used with the rawbytes rule */ if (cd->flags & DETECT_CONTENT_RAWBYTES) { SCLogError(SC_ERR_INVALID_SIGNATURE, "http_raw_uri rule can not " "be used with the rawbytes rule keyword"); goto error; } if (s->alproto != ALPROTO_UNKNOWN && s->alproto != ALPROTO_HTTP) { SCLogError(SC_ERR_CONFLICTING_RULE_KEYWORDS, "rule contains a non http " "alproto set"); goto error; } if (cd->flags & DETECT_CONTENT_WITHIN || cd->flags & DETECT_CONTENT_DISTANCE) { SigMatch *pm = SigMatchGetLastSMFromLists(s, 4, DETECT_CONTENT, sm->prev, DETECT_PCRE, sm->prev); /* pm can be NULL now. To accomodate parsing sigs like - * content:one; http_modifier; content:two; distance:0; http_modifier */ if (pm != NULL) { if (pm->type == DETECT_CONTENT) { DetectContentData *tmp_cd = (DetectContentData *)pm->ctx; tmp_cd->flags &= ~DETECT_CONTENT_RELATIVE_NEXT; } else { DetectPcreData *tmp_pd = (DetectPcreData *)pm->ctx; tmp_pd->flags &= ~DETECT_PCRE_RELATIVE_NEXT; } } /* if (pm != NULL) */ /* reassigning pm */ pm = SigMatchGetLastSMFromLists(s, 4, DETECT_AL_HTTP_RAW_URI, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH], DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]); if (pm == NULL) { SCLogError(SC_ERR_INVALID_SIGNATURE, "rawuricontent seen with a " "distance or within without a previous http_raw_uri " "content. Invalidating signature."); goto error; } if (pm->type == DETECT_PCRE) { DetectPcreData *tmp_pd = (DetectPcreData *)pm->ctx; tmp_pd->flags |= DETECT_PCRE_RELATIVE_NEXT; } else { DetectContentData *tmp_cd = (DetectContentData *)pm->ctx; tmp_cd->flags |= DETECT_CONTENT_RELATIVE_NEXT; } } cd->id = DetectPatternGetId(de_ctx->mpm_pattern_id_store, cd, DETECT_AL_HTTP_RAW_URI); sm->type = DETECT_AL_HTTP_RAW_URI; /* transfer the sm from the pmatch list to hrudmatch list */ SigMatchTransferSigMatchAcrossLists(sm, &s->sm_lists[DETECT_SM_LIST_PMATCH], &s->sm_lists_tail[DETECT_SM_LIST_PMATCH], &s->sm_lists[DETECT_SM_LIST_HRUDMATCH], &s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]); /* Flagged the signature as to inspect the app layer data */ s->flags |= SIG_FLAG_APPLAYER; s->alproto = ALPROTO_HTTP; return 0; error: return -1; } /******************************** UNITESTS **********************************/ #ifdef UNITTESTS #include "stream-tcp-reassemble.h" /** * \test Checks if a http_raw_uri is registered in a Signature, if content is not * specified in the signature. */ int DetectHttpRawUriTest01(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_raw_uri\"; http_raw_uri; sid:1;)"); if (de_ctx->sig_list == NULL) result = 1; end: if (de_ctx != NULL) DetectEngineCtxFree(de_ctx); return result; } /** * \test Checks if a http_raw_uri is registered in a Signature, if some parameter * is specified with http_raw_uri in the signature. */ int DetectHttpRawUriTest02(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_raw_uri\"; content:\"one\"; " "http_raw_uri:wrong; sid:1;)"); if (de_ctx->sig_list == NULL) result = 1; end: if (de_ctx != NULL) DetectEngineCtxFree(de_ctx); return result; } /** * \test Checks if a http_raw_uri is registered in a Signature. */ int DetectHttpRawUriTest03(void) { SigMatch *sm = NULL; 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_raw_uri\"; " "content:\"one\"; http_raw_uri; " "content:\"two\"; http_raw_uri; " "content:\"three\"; http_raw_uri; " "sid:1;)"); if (de_ctx->sig_list == NULL) { printf("sig parse failed: "); goto end; } sm = de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH]; if (sm == NULL) { printf("no sigmatch(es): "); goto end; } while (sm != NULL) { if (sm->type == DETECT_AL_HTTP_RAW_URI) { result = 1; } else { printf("expected DETECT_AL_HTTP_RAW_URI(%d), got %d: ", DETECT_AL_HTTP_RAW_URI, sm->type); goto end; } sm = sm->next; } end: if (de_ctx != NULL) DetectEngineCtxFree(de_ctx); return result; } /** * \test Checks if a http_raw_uri is registered in a Signature, when rawbytes is * also specified in the signature. */ int DetectHttpRawUriTest04(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_raw_uri\"; " "content:\"one\"; rawbytes; http_raw_uri; " "sid:1;)"); if (de_ctx->sig_list == NULL) result = 1; end: if (de_ctx != NULL) SigCleanSignatures(de_ctx); if (de_ctx != NULL) DetectEngineCtxFree(de_ctx); return result; } /** * \test Checks if a http_raw_uri is successfully converted to a rawuricontent. * */ int DetectHttpRawUriTest05(void) { DetectEngineCtx *de_ctx = NULL; Signature *s = NULL; int result = 0; if ((de_ctx = DetectEngineCtxInit()) == NULL) goto end; s = SigInit(de_ctx, "alert tcp any any -> any any " "(msg:\"Testing http_raw_uri\"; " "content:\"we are testing http_raw_uri keyword\"; http_raw_uri; " "sid:1;)"); if (s == NULL) { printf("sig failed to parse\n"); goto end; } if (s->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL) goto end; if (s->sm_lists[DETECT_SM_LIST_HRUDMATCH]->type != DETECT_AL_HTTP_RAW_URI) { printf("wrong type\n"); goto end; } char *str = "we are testing http_raw_uri keyword"; int uricomp = memcmp((const char *) ((DetectContentData*)s->sm_lists[DETECT_SM_LIST_HRUDMATCH]->ctx)->content, str, strlen(str) - 1); int urilen = ((DetectContentData*)s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx)->content_len; if (uricomp != 0 || urilen != strlen("we are testing http_raw_uri keyword")) { printf("sig failed to parse, content not setup properly\n"); goto end; } result = 1; end: if (de_ctx != NULL) SigCleanSignatures(de_ctx); if (de_ctx != NULL) SigGroupCleanup(de_ctx); return result; } int DetectHttpRawUriTest06(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 icmp any any -> any any " "(content:\"one\"; content:\"one\"; http_raw_uri; 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_HRUDMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx; if (cd->id == ud->id) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpRawUriTest07(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 icmp any any -> any any " "(content:\"one\"; http_raw_uri; " "content:\"one\"; 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_HRUDMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx; if (cd->id == ud->id) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpRawUriTest08(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 icmp any any -> any any " "(content:\"one\"; " "content:\"one\"; " "content:\"one\"; http_raw_uri; content:\"one\"; " "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_HRUDMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx; if (cd->id != 0 || ud->id != 1) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpRawUriTest09(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 icmp any any -> any any " "(content:\"one\"; http_raw_uri; " "content:\"one\"; " "content:\"one\"; " "content:\"one\"; 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_HRUDMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx; if (cd->id != 1 || ud->id != 0) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpRawUriTest10(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 icmp any any -> any any " "(content:\"one\"; http_raw_uri; " "content:\"one\"; " "content:\"one\"; http_raw_uri; " "content:\"one\"; 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_HRUDMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->prev->ctx; if (cd->id != 1 || ud1->id != 0 || ud2->id != 0) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpRawUriTest11(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 icmp any any -> any any " "(content:\"one\"; http_raw_uri; " "content:\"one\"; " "content:\"one\"; http_raw_uri; " "content:\"two\"; 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_HRUDMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL\n"); goto end; } DetectContentData *cd = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_PMATCH]->ctx; DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->prev->ctx; if (cd->id != 2 || ud1->id != 0 || ud2->id != 0) goto end; result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpRawUriTest12(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 icmp any any -> any any " "(content:\"one\"; http_raw_uri; " "content:\"two\"; distance:0; http_raw_uri; 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_HRUDMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL\n"); goto end; } DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->prev->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx; if (ud1->flags != DETECT_CONTENT_RELATIVE_NEXT || memcmp(ud1->content, "one", ud1->content_len) != 0 || ud2->flags != DETECT_CONTENT_DISTANCE || memcmp(ud2->content, "two", ud1->content_len) != 0) { /* inside body */ goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpRawUriTest13(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 icmp any any -> any any " "(content:\"one\"; http_raw_uri; " "content:\"two\"; within:5; http_raw_uri; 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_HRUDMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL\n"); goto end; } DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->prev->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx; if (ud1->flags != DETECT_CONTENT_RELATIVE_NEXT || memcmp(ud1->content, "one", ud1->content_len) != 0 || ud2->flags != DETECT_CONTENT_WITHIN || memcmp(ud2->content, "two", ud1->content_len) != 0) { /* inside the body */ goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpRawUriTest14(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 icmp any any -> any any " "(content:\"one\"; within:5; http_raw_uri; 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 DetectHttpRawUriTest15(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 icmp any any -> any any " "(content:\"one\"; http_raw_uri; 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 DetectHttpRawUriTest16(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 icmp 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 DetectHttpRawUriTest17(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 icmp any any -> any any " "(content:\"one\"; http_raw_uri; " "content:\"two\"; distance:0; http_raw_uri; 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_HRUDMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL\n"); goto end; } DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->prev->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx; if (ud1->flags != DETECT_CONTENT_RELATIVE_NEXT || memcmp(ud1->content, "one", ud1->content_len) != 0 || ud2->flags != DETECT_CONTENT_DISTANCE || memcmp(ud2->content, "two", ud1->content_len) != 0) { /* inside body */ goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } int DetectHttpRawUriTest18(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 icmp any any -> any any " "(content:\"one\"; http_raw_uri; " "content:\"two\"; within:5; http_raw_uri; " "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_HRUDMATCH] == NULL) { printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_HRUDMATCH] == NULL\n"); goto end; } DetectContentData *ud1 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->prev->ctx; DetectContentData *ud2 = de_ctx->sig_list->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH]->ctx; if (ud1->flags != DETECT_CONTENT_RELATIVE_NEXT || memcmp(ud1->content, "one", ud1->content_len) != 0 || ud2->flags != DETECT_CONTENT_WITHIN || memcmp(ud2->content, "two", ud1->content_len) != 0) { /* inside body */ goto end; } result = 1; end: SigCleanSignatures(de_ctx); DetectEngineCtxFree(de_ctx); return result; } #endif /* UNITTESTS */ /** * \brief Register the UNITTESTS for the http_uri keyword */ static void DetectHttpRawUriRegisterTests (void) { #ifdef UNITTESTS /* UNITTESTS */ UtRegisterTest("DetectHttpRawUriTest01", DetectHttpRawUriTest01, 1); UtRegisterTest("DetectHttpRawUriTest02", DetectHttpRawUriTest02, 1); UtRegisterTest("DetectHttpRawUriTest03", DetectHttpRawUriTest03, 1); UtRegisterTest("DetectHttpRawUriTest04", DetectHttpRawUriTest04, 1); UtRegisterTest("DetectHttpRawUriTest05", DetectHttpRawUriTest05, 1); UtRegisterTest("DetectHttpRawUriTest06", DetectHttpRawUriTest06, 1); UtRegisterTest("DetectHttpRawUriTest07", DetectHttpRawUriTest07, 1); UtRegisterTest("DetectHttpRawUriTest08", DetectHttpRawUriTest08, 1); UtRegisterTest("DetectHttpRawUriTest09", DetectHttpRawUriTest09, 1); UtRegisterTest("DetectHttpRawUriTest10", DetectHttpRawUriTest10, 1); UtRegisterTest("DetectHttpRawUriTest11", DetectHttpRawUriTest11, 1); UtRegisterTest("DetectHttpRawUriTest12", DetectHttpRawUriTest12, 1); UtRegisterTest("DetectHttpRawUriTest13", DetectHttpRawUriTest13, 1); UtRegisterTest("DetectHttpRawUriTest14", DetectHttpRawUriTest14, 1); UtRegisterTest("DetectHttpRawUriTest15", DetectHttpRawUriTest15, 1); UtRegisterTest("DetectHttpRawUriTest16", DetectHttpRawUriTest16, 1); UtRegisterTest("DetectHttpRawUriTest17", DetectHttpRawUriTest17, 1); UtRegisterTest("DetectHttpRawUriTest18", DetectHttpRawUriTest18, 1); #endif /* UNITTESTS */ return; } /** * @} */