denyhosts/clamav/libclamav/phish_allow_list.c

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2023-01-14 18:28:39 +08:00
/*
* Phishing module: allow list implementation.
*
* Copyright (C) 2013-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
* Copyright (C) 2007-2013 Sourcefire, Inc.
*
* Authors: Török Edvin
*
* This program is free software; you can redistribute it and/or modify
* it 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#if HAVE_CONFIG_H
#include "clamav-config.h"
#endif
#ifdef CL_THREAD_SAFE
#ifndef _REENTRANT
#define _REENTRANT
#endif
#endif
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "clamav.h"
#include "others.h"
#include "phish_allow_list.h"
#include "regex_list.h"
#include "mpool.h"
cl_error_t allow_list_match(const struct cl_engine* engine, char* real_url, const char* display_url, int hostOnly)
{
const char* info; /*unused*/
cli_dbgmsg("Phishing: looking up in allow list: %s:%s; host-only:%d\n", real_url, display_url, hostOnly);
return engine->allow_list_matcher ? regex_list_match(engine->allow_list_matcher, real_url, display_url, NULL, hostOnly, &info, 1) : 0;
}
cl_error_t init_allow_list(struct cl_engine* engine)
{
if (engine) {
engine->allow_list_matcher = (struct regex_matcher*)MPOOL_MALLOC(engine->mempool, sizeof(struct regex_matcher));
if (!engine->allow_list_matcher) {
cli_errmsg("Phish_allow_list: Unable to allocate memory for allow_list_match\n");
return CL_EMEM;
}
#ifdef USE_MPOOL
((struct regex_matcher*)(engine->allow_list_matcher))->mempool = engine->mempool;
#endif
return init_regex_list(engine->allow_list_matcher, engine->dconf->other & OTHER_CONF_PREFILTERING);
} else
return CL_ENULLARG;
}
int is_allow_list_ok(const struct cl_engine* engine)
{
return (engine && engine->allow_list_matcher) ? is_regex_ok(engine->allow_list_matcher) : 1;
}
void allow_list_done(struct cl_engine* engine)
{
if (engine && engine->allow_list_matcher) {
regex_list_done(engine->allow_list_matcher);
MPOOL_FREE(engine->mempool, engine->allow_list_matcher);
engine->allow_list_matcher = NULL;
}
}