/usr/include/proftpd/regexp.h is in proftpd-dev 1.3.5~rc3-2.1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | /*
* ProFTPD - FTP server daemon
* Copyright (c) 2001-2011 The ProFTPD Project team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, The ProFTPD Project team and other respective
* copyright holders give permission to link this program with OpenSSL, and
* distribute the resulting executable, without including the source code for
* OpenSSL in the source distribution.
*/
/* Regular expression management
* $Id: regexp.h,v 1.9 2011/05/23 20:35:35 castaglia Exp $
*/
#ifndef PR_REGEXP_H
#define PR_REGEXP_H
/* We define our own wrapper struct, pr_regex_t, in order to abstract the
* differences between POSIX regexes and PCRE regexes from the calling
* code.
*/
#ifdef PR_USE_PCRE
# include <pcre.h>
# include <pcreposix.h>
/* Make sure that we are using PCRE-7.0 or later. */
# if defined(PCRE_MAJOR) && PCRE_MAJOR >= 7 && \
defined(PCRE_MINOR) && PCRE_MINOR >= 0
# define PR_USE_REGEX 1
# else
# error "pcre-7.0 or later required"
# endif /* PCRE-7.0 or later */
#else
# ifdef HAVE_REGEX_H
# include <regex.h>
# ifdef HAVE_REGCOMP
# define PR_USE_REGEX 1
# endif /* HAVE_REGCOMP */
# endif /* HAVE_REGEX_H */
#endif /* !PR_USE_PCRE */
typedef struct regexp_rec pr_regex_t;
pr_regex_t *pr_regexp_alloc(module *m);
void pr_regexp_free(module *m, pr_regex_t *pre);
/* Callers wishing to explicitly use POSIX regular expressions, regardless
* of PCRE support, should use this function.
*/
int pr_regexp_compile_posix(pr_regex_t *pre, const char *pattern, int flags);
/* If PCRE support is enabled, the given pattern will be compiled as a
* PCRE regular expression, otherwise it will be compiled as a POSIX
* regular expression.
*/
int pr_regexp_compile(pr_regex_t *pre, const char *pattern, int flags);
size_t pr_regexp_error(int res, const pr_regex_t *pre, char *buf, size_t bufsz);
/* Returns the original pattern used to compile the regular expression, if
* present.
*/
const char *pr_regexp_get_pattern(const pr_regex_t *pre);
int pr_regexp_exec(pr_regex_t *pre, const char *str, size_t nmatches,
regmatch_t *matches, int flags, unsigned long match_limit,
unsigned long match_limit_recursion);
/* Used to set default limits on the matching, if no such limits are
* explicitly provided by the calling code. These limits can be set e.g.
* for the entire vhost/daemon.
*
* NOTE: The match limits are only properly honored when PCRE support is
* enabled.
*/
int pr_regexp_set_limits(unsigned long match_limit,
unsigned long match_limit_recursion);
/* For internal use only */
void init_regexp(void);
#endif /* PR_REGEXP_H */
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