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@ -1,4 +1,4 @@
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/* Copyright (C) 2007-2010 Open Information Security Foundation
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/* Copyright (C) 2007-2018 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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@ -19,41 +19,20 @@
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*
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* \author Victor Julien <victor@inliniac.net>
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* \author Pablo Rincon Crespo <pablo.rincon.crespo@gmail.com>
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*
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* Based on detect-engine-uri.c
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*/
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#include "suricata-common.h"
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#include "suricata.h"
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#include "decode.h"
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#include "detect.h"
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#include "detect-engine.h"
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#include "detect-parse.h"
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#include "detect-engine-state.h"
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#include "detect-engine-content-inspection.h"
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#include "detect-engine-prefilter.h"
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#include "detect-engine-uri.h"
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#include "flow-util.h"
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#include "util-debug.h"
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#include "util-print.h"
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#include "flow.h"
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#include "stream-tcp.h"
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#include "app-layer-parser.h"
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#include "../suricata-common.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 "../util-unittest.h"
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#include "../util-unittest-helper.h"
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#include "util-unittest.h"
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#include "util-unittest-helper.h"
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#include "app-layer.h"
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#include "app-layer-htp.h"
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#include "app-layer-protos.h"
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#include "util-validate.h"
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#include "../flow.h"
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#include "../flow-util.h"
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/***********************************Unittests**********************************/
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#include "../detect-isdataat.h"
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#ifdef UNITTESTS
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/** \test Test a simple uricontent option */
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static int UriTestSig01(void)
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{
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@ -3823,12 +3802,459 @@ end:
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return result;
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}
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#endif /* UNITTESTS */
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/**
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* \test Checks if a http_uri is registered in a Signature, if content is not
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* specified in the signature
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*/
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static int DetectHttpUriTest01(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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if ( (de_ctx = DetectEngineCtxInit()) == 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_uri\"; http_uri;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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if (de_ctx != NULL)
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DetectEngineCtxFree(de_ctx);
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return result;
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}
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void UriRegisterTests(void)
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/**
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* \test Checks if a http_uri is registered in a Signature, if some parameter
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* is specified with http_uri in the signature
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*/
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static int DetectHttpUriTest02(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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if ( (de_ctx = DetectEngineCtxInit()) == 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_uri\"; content:\"one\"; "
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"http_cookie:wrong; 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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if (de_ctx != NULL)
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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 Checks if a http_uri is registered in a Signature
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*/
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static int DetectHttpUriTest03(void)
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{
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SigMatch *sm = NULL;
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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if ( (de_ctx = DetectEngineCtxInit()) == 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_uri\"; content:\"one\"; "
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"http_uri; content:\"two\"; http_uri; "
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"content:\"three\"; http_uri; "
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"sid:1;)");
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if (de_ctx->sig_list == NULL) {
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printf("sig parse failed: ");
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goto end;
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}
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sm = de_ctx->sig_list->sm_lists[g_http_uri_buffer_id];
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if (sm == NULL) {
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printf("no sigmatch(es): ");
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goto end;
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}
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while (sm != NULL) {
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if (sm->type == DETECT_CONTENT) {
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result = 1;
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} else {
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printf("expected DETECT_AL_HTTP_URI, got %d: ", sm->type);
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goto end;
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}
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sm = sm->next;
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}
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end:
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if (de_ctx != NULL)
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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 Checks if a http_uri is registered in a Signature, when rawbytes is
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* also specified in the signature
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*/
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static int DetectHttpUriTest04(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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if ( (de_ctx = DetectEngineCtxInit()) == 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_uri\"; content:\"one\"; "
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"rawbytes; http_uri; 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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if (de_ctx != NULL) SigCleanSignatures(de_ctx);
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if (de_ctx != NULL) DetectEngineCtxFree(de_ctx);
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return result;
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}
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/**
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* \test Checks if a http_uri is successfully converted to a uricontent
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*
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*/
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static int DetectHttpUriTest05(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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Signature *s = NULL;
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int result = 0;
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if ((de_ctx = DetectEngineCtxInit()) == NULL)
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goto end;
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s = SigInit(de_ctx, "alert tcp any any -> any any "
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"(msg:\"Testing http_uri\"; "
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"content:\"we are testing http_uri keyword\"; "
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"http_uri; sid:1;)");
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if (s == NULL) {
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printf("sig failed to parse\n");
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goto end;
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}
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if (s->sm_lists[g_http_uri_buffer_id] == NULL)
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goto end;
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if (s->sm_lists[g_http_uri_buffer_id]->type != DETECT_CONTENT) {
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printf("wrong type\n");
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goto end;
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}
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const char *str = "we are testing http_uri keyword";
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int uricomp = memcmp((const char *)((DetectContentData*) s->sm_lists[g_http_uri_buffer_id]->ctx)->content, str, strlen(str)-1);
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int urilen = ((DetectContentData*) s->sm_lists_tail[g_http_uri_buffer_id]->ctx)->content_len;
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if (uricomp != 0 ||
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urilen != strlen("we are testing http_uri keyword")) {
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printf("sig failed to parse, content not setup properly\n");
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goto end;
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}
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result = 1;
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end:
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if (de_ctx != NULL) SigCleanSignatures(de_ctx);
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if (de_ctx != NULL) SigGroupCleanup(de_ctx);
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return result;
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}
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static int DetectHttpUriTest12(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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if ( (de_ctx = DetectEngineCtxInit()) == 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 icmp any any -> any any "
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"(content:\"one\"; http_uri; "
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"content:\"two\"; distance:0; http_uri; sid:1;)");
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if (de_ctx->sig_list == NULL) {
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printf("de_ctx->sig_list == NULL\n");
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goto end;
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}
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if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
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printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
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goto end;
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}
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if (de_ctx->sig_list->sm_lists[g_http_uri_buffer_id] == NULL) {
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printf("de_ctx->sig_list->sm_lists[g_http_uri_buffer_id] == NULL\n");
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goto end;
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}
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DetectContentData *ud1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[g_http_uri_buffer_id]->prev->ctx;
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DetectContentData *ud2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[g_http_uri_buffer_id]->ctx;
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if (ud1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
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memcmp(ud1->content, "one", ud1->content_len) != 0 ||
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ud2->flags != DETECT_CONTENT_DISTANCE ||
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memcmp(ud2->content, "two", ud1->content_len) != 0) {
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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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SigCleanSignatures(de_ctx);
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DetectEngineCtxFree(de_ctx);
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return result;
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}
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static int DetectHttpUriTest13(void)
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{
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DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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if ( (de_ctx = DetectEngineCtxInit()) == 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 icmp any any -> any any "
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"(content:\"one\"; http_uri; "
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"content:\"two\"; within:5; http_uri; sid:1;)");
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if (de_ctx->sig_list == NULL) {
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printf("de_ctx->sig_list == NULL\n");
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goto end;
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}
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if (de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL) {
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printf("de_ctx->sig_list->sm_lists[DETECT_SM_LIST_PMATCH] != NULL\n");
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goto end;
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}
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|
#ifdef UNITTESTS
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if (de_ctx->sig_list->sm_lists[g_http_uri_buffer_id] == NULL) {
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printf("de_ctx->sig_list->sm_lists[g_http_uri_buffer_id] == NULL\n");
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goto end;
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}
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DetectContentData *ud1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[g_http_uri_buffer_id]->prev->ctx;
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DetectContentData *ud2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[g_http_uri_buffer_id]->ctx;
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if (ud1->flags != DETECT_CONTENT_RELATIVE_NEXT ||
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memcmp(ud1->content, "one", ud1->content_len) != 0 ||
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ud2->flags != DETECT_CONTENT_WITHIN ||
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memcmp(ud2->content, "two", ud1->content_len) != 0) {
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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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SigCleanSignatures(de_ctx);
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DetectEngineCtxFree(de_ctx);
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|
return result;
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}
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|
static int DetectHttpUriTest14(void)
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|
|
{
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|
DetectEngineCtx *de_ctx = NULL;
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int result = 0;
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if ( (de_ctx = DetectEngineCtxInit()) == 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 icmp any any -> any any "
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|
|
|
|
"(content:\"one\"; within:5; http_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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int DetectHttpUriTest15(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_uri; within:5; sid:1;)");
|
|
|
|
|
if (de_ctx->sig_list == NULL) {
|
|
|
|
|
printf("de_ctx->sig_list == NULL\n");
|
|
|
|
|
goto end;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (de_ctx->sig_list->sm_lists[g_http_uri_buffer_id] == NULL) {
|
|
|
|
|
printf("de_ctx->sig_list->sm_lists[g_http_uri_buffer_id] == NULL\n");
|
|
|
|
|
goto end;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DetectContentData *cd = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[g_http_uri_buffer_id]->ctx;
|
|
|
|
|
if (memcmp(cd->content, "one", cd->content_len) != 0 ||
|
|
|
|
|
cd->flags != DETECT_CONTENT_WITHIN) {
|
|
|
|
|
goto end;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
result = 1;
|
|
|
|
|
|
|
|
|
|
end:
|
|
|
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int DetectHttpUriTest16(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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int DetectHttpUriTest17(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 "
|
|
|
|
|
"(uricontent:\"one\"; "
|
|
|
|
|
"content:\"two\"; distance:0; http_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[g_http_uri_buffer_id] == NULL) {
|
|
|
|
|
printf("de_ctx->sig_list->sm_lists[g_http_uri_buffer_id] == NULL\n");
|
|
|
|
|
goto end;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DetectContentData *ud1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[g_http_uri_buffer_id]->prev->ctx;
|
|
|
|
|
DetectContentData *ud2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[g_http_uri_buffer_id]->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) {
|
|
|
|
|
goto end;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
result = 1;
|
|
|
|
|
|
|
|
|
|
end:
|
|
|
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int DetectHttpUriTest18(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 "
|
|
|
|
|
"(uricontent:\"one\"; "
|
|
|
|
|
"content:\"two\"; within:5; http_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[g_http_uri_buffer_id] == NULL) {
|
|
|
|
|
printf("de_ctx->sig_list->sm_lists[g_http_uri_buffer_id] == NULL\n");
|
|
|
|
|
goto end;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DetectContentData *ud1 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[g_http_uri_buffer_id]->prev->ctx;
|
|
|
|
|
DetectContentData *ud2 = (DetectContentData *)de_ctx->sig_list->sm_lists_tail[g_http_uri_buffer_id]->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) {
|
|
|
|
|
goto end;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
result = 1;
|
|
|
|
|
|
|
|
|
|
end:
|
|
|
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int DetectHttpUriIsdataatParseTest(void)
|
|
|
|
|
{
|
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
|
|
|
FAIL_IF_NULL(de_ctx);
|
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
|
|
|
|
|
|
Signature *s = DetectEngineAppendSig(de_ctx,
|
|
|
|
|
"alert tcp any any -> any any ("
|
|
|
|
|
"content:\"one\"; http_uri; "
|
|
|
|
|
"isdataat:!4,relative; sid:1;)");
|
|
|
|
|
FAIL_IF_NULL(s);
|
|
|
|
|
|
|
|
|
|
SigMatch *sm = s->init_data->smlists_tail[g_http_uri_buffer_id];
|
|
|
|
|
FAIL_IF_NULL(sm);
|
|
|
|
|
FAIL_IF_NOT(sm->type == DETECT_ISDATAAT);
|
|
|
|
|
|
|
|
|
|
DetectIsdataatData *data = (DetectIsdataatData *)sm->ctx;
|
|
|
|
|
FAIL_IF_NOT(data->flags & ISDATAAT_RELATIVE);
|
|
|
|
|
FAIL_IF_NOT(data->flags & ISDATAAT_NEGATED);
|
|
|
|
|
FAIL_IF(data->flags & ISDATAAT_RAWBYTES);
|
|
|
|
|
|
|
|
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
|
PASS;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* \brief Register the UNITTESTS for the http_uri keyword
|
|
|
|
|
*/
|
|
|
|
|
static void DetectHttpUriRegisterTests (void)
|
|
|
|
|
{
|
|
|
|
|
UtRegisterTest("UriTestSig01", UriTestSig01);
|
|
|
|
|
UtRegisterTest("UriTestSig02", UriTestSig02);
|
|
|
|
|
UtRegisterTest("UriTestSig03", UriTestSig03);
|
|
|
|
@ -3866,7 +4292,20 @@ void UriRegisterTests(void)
|
|
|
|
|
UtRegisterTest("UriTestSig36", UriTestSig36);
|
|
|
|
|
UtRegisterTest("UriTestSig37", UriTestSig37);
|
|
|
|
|
UtRegisterTest("UriTestSig38", UriTestSig38);
|
|
|
|
|
#endif /* UNITTESTS */
|
|
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest01", DetectHttpUriTest01);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest02", DetectHttpUriTest02);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest03", DetectHttpUriTest03);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest04", DetectHttpUriTest04);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest05", DetectHttpUriTest05);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest12", DetectHttpUriTest12);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest13", DetectHttpUriTest13);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest14", DetectHttpUriTest14);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest15", DetectHttpUriTest15);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest16", DetectHttpUriTest16);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest17", DetectHttpUriTest17);
|
|
|
|
|
UtRegisterTest("DetectHttpUriTest18", DetectHttpUriTest18);
|
|
|
|
|
|
|
|
|
|
UtRegisterTest("DetectHttpUriIsdataatParseTest",
|
|
|
|
|
DetectHttpUriIsdataatParseTest);
|
|
|
|
|
}
|