/* * Support for PCRE regex variant * * Copyright (C) 2015 Cisco Systems, Inc. and/or its affiliates. All rights reserved. * Copyright (C) 2007-2013 Sourcefire, Inc. * All Rights Reserved. * * Authors: Kevin Lin * * 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 _REGEX_PCRE_H_ #define _REGEX_PCRE_H_ #if HAVE_CONFIG_H #include "clamav-config.h" #endif #if HAVE_PCRE #include <pcre.h> #include "cltypes.h" #include "mpool.h" /* used for setting overrides */ #define CLI_PCREMATCH_NOOFFSETOVERRIDE -1 /* must be multiple of 3 */ #define OVECCOUNT 300 struct cli_pcre_data { pcre *re; /* compiled pcre regex */ pcre_extra *ex; /* pcre extra data - limits */ int options; /* pcre options */ char *expression; /* copied regular expression */ uint32_t search_offset; /* start offset to search at for pcre_exec */ }; int cli_pcre_init_internal(); int cli_pcre_addoptions(struct cli_pcre_data *pd, const char **opt, int errout); int cli_pcre_compile(struct cli_pcre_data *pd, long long unsigned match_limit, long long unsigned match_limit_recursion, unsigned int options, int opt_override); int cli_pcre_match(struct cli_pcre_data *pd, const unsigned char *buffer, uint32_t buflen, int override_offset, int options, int *ovector, size_t ovlen); void cli_pcre_report(const struct cli_pcre_data *pd, const unsigned char *buffer, uint32_t buflen, int rc, int *ovector, size_t ovlen); void cli_pcre_free_single(struct cli_pcre_data *pd); #endif /* HAVE_PCRE */ #endif /*_REGEX_PCRE_H_*/