openbsd-compat.h revision 294336 
1/* $Id: openbsd-compat.h,v 1.62 2014/09/30 23:43:08 djm Exp $ */
2
3/*
4 * Copyright (c) 1999-2003 Damien Miller.  All rights reserved.
5 * Copyright (c) 2003 Ben Lindstrom. All rights reserved.
6 * Copyright (c) 2002 Tim Rice.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _OPENBSD_COMPAT_H
30#define _OPENBSD_COMPAT_H
31
32#include "includes.h"
33
34#include <sys/types.h>
35#include <pwd.h>
36
37#include <sys/socket.h>
38
39/* OpenBSD function replacements */
40#include "base64.h"
41#include "sigact.h"
42#include "glob.h"
43#include "readpassphrase.h"
44#include "vis.h"
45#include "getrrsetbyname.h"
46#include "sha1.h"
47#include "sha2.h"
48#include "rmd160.h"
49#include "md5.h"
50#include "blf.h"
51
52#ifndef HAVE_BASENAME
53char *basename(const char *path);
54#endif
55
56#ifndef HAVE_BINDRESVPORT_SA
57int bindresvport_sa(int sd, struct sockaddr *sa);
58#endif
59
60#ifndef HAVE_CLOSEFROM
61void closefrom(int);
62#endif
63
64#ifndef HAVE_GETCWD
65char *getcwd(char *pt, size_t size);
66#endif
67
68#ifndef HAVE_REALLOCARRAY
69void *reallocarray(void *, size_t, size_t);
70#endif
71
72#if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
73char *realpath(const char *path, char *resolved);
74#endif
75
76#ifndef HAVE_RRESVPORT_AF
77int rresvport_af(int *alport, sa_family_t af);
78#endif
79
80#ifndef HAVE_STRLCPY
81/* #include <sys/types.h> XXX Still needed? */
82size_t strlcpy(char *dst, const char *src, size_t siz);
83#endif
84
85#ifndef HAVE_STRLCAT
86/* #include <sys/types.h> XXX Still needed? */
87size_t strlcat(char *dst, const char *src, size_t siz);
88#endif
89
90#ifndef HAVE_SETENV
91int setenv(register const char *name, register const char *value, int rewrite);
92#endif
93
94#ifndef HAVE_STRMODE
95void strmode(int mode, char *p);
96#endif
97
98#ifndef HAVE_STRPTIME
99#include  <time.h>
100char *strptime(const char *buf, const char *fmt, struct tm *tm);
101#endif
102
103#if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
104int mkstemps(char *path, int slen);
105int mkstemp(char *path);
106char *mkdtemp(char *path);
107#endif
108
109#ifndef HAVE_DAEMON
110int daemon(int nochdir, int noclose);
111#endif
112
113#ifndef HAVE_DIRNAME
114char *dirname(const char *path);
115#endif
116
117#ifndef HAVE_FMT_SCALED
118#define	FMT_SCALED_STRSIZE	7
119int	fmt_scaled(long long number, char *result);
120#endif
121
122#ifndef HAVE_SCAN_SCALED
123int	scan_scaled(char *, long long *);
124#endif
125
126#if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
127char *inet_ntoa(struct in_addr in);
128#endif
129
130#ifndef HAVE_INET_NTOP
131const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
132#endif
133
134#ifndef HAVE_INET_ATON
135int inet_aton(const char *cp, struct in_addr *addr);
136#endif
137
138#ifndef HAVE_STRSEP
139char *strsep(char **stringp, const char *delim);
140#endif
141
142#ifndef HAVE_SETPROCTITLE
143void setproctitle(const char *fmt, ...);
144void compat_init_setproctitle(int argc, char *argv[]);
145#endif
146
147#ifndef HAVE_GETGROUPLIST
148/* #include <grp.h> XXXX Still needed ? */
149int getgrouplist(const char *, gid_t, gid_t *, int *);
150#endif
151
152#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
153int BSDgetopt(int argc, char * const *argv, const char *opts);
154#include "openbsd-compat/getopt.h"
155#endif
156
157#if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0
158# include <sys/types.h>
159# include <sys/uio.h>
160int writev(int, struct iovec *, int);
161#endif
162
163/* Home grown routines */
164#include "bsd-misc.h"
165#include "bsd-setres_id.h"
166#include "bsd-statvfs.h"
167#include "bsd-waitpid.h"
168#include "bsd-poll.h"
169
170#ifndef HAVE_GETPEEREID
171int getpeereid(int , uid_t *, gid_t *);
172#endif
173
174#ifdef HAVE_ARC4RANDOM
175# ifndef HAVE_ARC4RANDOM_STIR
176#  define arc4random_stir()
177# endif
178#else
179unsigned int arc4random(void);
180void arc4random_stir(void);
181#endif /* !HAVE_ARC4RANDOM */
182
183#ifndef HAVE_ARC4RANDOM_BUF
184void arc4random_buf(void *, size_t);
185#endif
186
187#ifndef HAVE_ARC4RANDOM_UNIFORM
188u_int32_t arc4random_uniform(u_int32_t);
189#endif
190
191#ifndef HAVE_ASPRINTF
192int asprintf(char **, const char *, ...);
193#endif
194
195#ifndef HAVE_OPENPTY
196# include <sys/ioctl.h>	/* for struct winsize */
197int openpty(int *, int *, char *, struct termios *, struct winsize *);
198#endif /* HAVE_OPENPTY */
199
200/* #include <sys/types.h> XXX needed? For size_t */
201
202#ifndef HAVE_SNPRINTF
203int snprintf(char *, size_t, SNPRINTF_CONST char *, ...);
204#endif
205
206#ifndef HAVE_STRTOLL
207long long strtoll(const char *, char **, int);
208#endif
209
210#ifndef HAVE_STRTOUL
211unsigned long strtoul(const char *, char **, int);
212#endif
213
214#ifndef HAVE_STRTOULL
215unsigned long long strtoull(const char *, char **, int);
216#endif
217
218#ifndef HAVE_STRTONUM
219long long strtonum(const char *, long long, long long, const char **);
220#endif
221
222/* multibyte character support */
223#ifndef HAVE_MBLEN
224# define mblen(x, y)	(1)
225#endif
226
227#if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
228# include <stdarg.h>
229#endif
230
231#ifndef HAVE_VASPRINTF
232int vasprintf(char **, const char *, va_list);
233#endif
234
235#ifndef HAVE_VSNPRINTF
236int vsnprintf(char *, size_t, const char *, va_list);
237#endif
238
239#ifndef HAVE_USER_FROM_UID
240char *user_from_uid(uid_t, int);
241#endif
242
243#ifndef HAVE_GROUP_FROM_GID
244char *group_from_gid(gid_t, int);
245#endif
246
247#ifndef HAVE_TIMINGSAFE_BCMP
248int timingsafe_bcmp(const void *, const void *, size_t);
249#endif
250
251#ifndef HAVE_BCRYPT_PBKDF
252int	bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t,
253    u_int8_t *, size_t, unsigned int);
254#endif
255
256#ifndef HAVE_EXPLICIT_BZERO
257void explicit_bzero(void *p, size_t n);
258#endif
259
260void *xmmap(size_t size);
261char *xcrypt(const char *password, const char *salt);
262char *shadow_pw(struct passwd *pw);
263
264/* rfc2553 socket API replacements */
265#include "fake-rfc2553.h"
266
267/* Routines for a single OS platform */
268#include "bsd-cray.h"
269#include "bsd-cygwin_util.h"
270
271#include "port-aix.h"
272#include "port-irix.h"
273#include "port-linux.h"
274#include "port-solaris.h"
275#include "port-tun.h"
276#include "port-uw.h"
277
278/* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */
279#if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE)
280# include <features.h>
281# if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ)
282#  if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0)
283#   include <sys/socket.h>  /* Ensure include guard is defined */
284#   undef FD_SET
285#   undef FD_ISSET
286#   define FD_SET(n, set)	kludge_FD_SET(n, set)
287#   define FD_ISSET(n, set)	kludge_FD_ISSET(n, set)
288void kludge_FD_SET(int, fd_set *);
289int kludge_FD_ISSET(int, fd_set *);
290#  endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */
291# endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */
292#endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */
293
294#endif /* _OPENBSD_COMPAT_H */
295