denyhosts/clamav/libclamav/phishcheck.h

87 lines
2.6 KiB
C

/*
* 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.
*/
#ifndef _PHISH_CHECK_H
#define _PHISH_CHECK_H
#include "regex/regex.h"
#include "htmlnorm.h"
#define CL_PHISH_BASE 100
enum phish_status { CL_PHISH_NODECISION = 0,
CL_PHISH_CLEAN = CL_PHISH_BASE,
CL_PHISH_CLOAKED_UIU,
CL_PHISH_NUMERIC_IP,
CL_PHISH_HEX_URL,
CL_PHISH_CLOAKED_NULL,
CL_PHISH_SSL_SPOOF,
CL_PHISH_NOMATCH,
CL_PHISH_HASH0,
CL_PHISH_HASH1,
CL_PHISH_HASH2 };
#define CHECK_SSL 1
#define CHECK_CLOAKING 2
#define CLEANUP_URL 4
#define CHECK_IMG_URL 8
#define LINKTYPE_IMAGE 1
#define CL_PHISH_ALL_CHECKS (CLEANUP_URL | CHECK_SSL | CHECK_CLOAKING | CHECK_IMG_URL)
struct string {
struct string* ref;
char* data;
int refcount;
};
struct phishcheck {
regex_t preg_numeric;
int is_disabled;
};
struct pre_fixup_info {
/* pre_* url before fixup_spaces */
struct string pre_displayLink;
size_t host_start;
size_t host_end;
};
struct url_check {
struct string realLink;
struct string displayLink;
struct pre_fixup_info pre_fixup;
unsigned short flags;
unsigned short always_check_flags;
unsigned short link_type;
};
cl_error_t phishingScan(cli_ctx* ctx, tag_arguments_t* hrefs);
void phish_disable(struct cl_engine* engine, const char* reason);
/* Global, non-thread-safe functions, call only once! */
cl_error_t phishing_init(struct cl_engine* engine);
void phishing_done(struct cl_engine* engine);
enum phish_status cli_url_canon(const char* inurl, size_t len, char* urlbuff, size_t dest_len, char** host, size_t* hostlen, const char** path, size_t* pathlen);
/* end of non-thread-safe functions */
#endif