1 /*
2 * PgBouncer - Lightweight connection pooler for PostgreSQL.
3 *
4 * Copyright (c) 2007-2009 Marko Kreen, Skype Technologies OÜ
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 /*
20 * Required system headers
21 */
22
23 #include <usual/base.h>
24 #include <usual/ctype.h>
25
26 #ifdef WIN32
27 #include "win32support.h"
28 #endif
29
30 #include <sys/stat.h>
31
32 #include <stdarg.h>
33 #include <limits.h>
34
35 #include <usual/tls/tls.h>
36
37 #ifdef HAVE_LIBGEN_H
38 #include <libgen.h>
39 #endif
40 #ifdef HAVE_SYS_UIO_H
41 #include <sys/uio.h>
42 #endif
43
44 /*
45 * libc compat functions.
46 */
47
48 #ifndef HAVE_LSTAT
lstat(const char * path,struct stat * st)49 static inline int lstat(const char *path, struct stat *st) { return stat(path, st); }
50 #endif
51
52 bool check_unix_peer_name(int fd, const char *username);
53
54 void change_user(const char *user);
55
56 void change_file_mode(const char *fn, mode_t mode, const char *user, const char *group);
57