2 * Copyright (c) 1999-2003 Damien Miller. All rights reserved.
3 * Copyright (c) 2003 Ben Lindstrom. All rights reserved.
4 * Copyright (c) 2002 Tim Rice. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #ifndef _OPENBSD_COMPAT_H
28 #define _OPENBSD_COMPAT_H
32 #include <sys/types.h>
35 #include <sys/socket.h>
37 #include <stddef.h> /* for wchar_t */
39 /* OpenBSD function replacements */
42 #include "readpassphrase.h"
44 #include "getrrsetbyname.h"
52 char *basename(const char *path);
55 #ifndef HAVE_BINDRESVPORT_SA
56 int bindresvport_sa(int sd, struct sockaddr *sa);
59 #ifndef HAVE_CLOSEFROM
64 char *getcwd(char *pt, size_t size);
67 #ifndef HAVE_REALLOCARRAY
68 void *reallocarray(void *, size_t, size_t);
71 #if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
73 * glibc's FORTIFY_SOURCE can redefine this and prevent us picking up the
76 # ifdef BROKEN_REALPATH
77 # define realpath(x, y) _ssh_compat_realpath(x, y)
80 char *realpath(const char *path, char *resolved);
83 #ifndef HAVE_RRESVPORT_AF
84 int rresvport_af(int *alport, sa_family_t af);
88 size_t strlcpy(char *dst, const char *src, size_t siz);
92 size_t strlcat(char *dst, const char *src, size_t siz);
95 #ifndef HAVE_STRCASESTR
96 char *strcasestr(const char *, const char *);
100 int setenv(register const char *name, register const char *value, int rewrite);
104 void strmode(int mode, char *p);
107 #ifndef HAVE_STRPTIME
109 char *strptime(const char *buf, const char *fmt, struct tm *tm);
112 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
113 int mkstemps(char *path, int slen);
114 int mkstemp(char *path);
115 char *mkdtemp(char *path);
119 int daemon(int nochdir, int noclose);
123 char *dirname(const char *path);
126 #ifndef HAVE_FMT_SCALED
127 #define FMT_SCALED_STRSIZE 7
128 int fmt_scaled(long long number, char *result);
131 #ifndef HAVE_SCAN_SCALED
132 int scan_scaled(char *, long long *);
135 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
136 char *inet_ntoa(struct in_addr in);
139 #ifndef HAVE_INET_NTOP
140 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
143 #ifndef HAVE_INET_ATON
144 int inet_aton(const char *cp, struct in_addr *addr);
148 char *strsep(char **stringp, const char *delim);
151 #ifndef HAVE_SETPROCTITLE
152 void setproctitle(const char *fmt, ...);
153 void compat_init_setproctitle(int argc, char *argv[]);
156 #ifndef HAVE_GETGROUPLIST
157 int getgrouplist(const char *, gid_t, gid_t *, int *);
160 #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
161 int BSDgetopt(int argc, char * const *argv, const char *opts);
162 #include "openbsd-compat/getopt.h"
165 #if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0
166 # include <sys/types.h>
167 # include <sys/uio.h>
168 int writev(int, struct iovec *, int);
171 /* Home grown routines */
172 #include "bsd-misc.h"
173 #include "bsd-setres_id.h"
174 #include "bsd-statvfs.h"
175 #include "bsd-waitpid.h"
176 #include "bsd-poll.h"
178 #ifndef HAVE_GETPEEREID
179 int getpeereid(int , uid_t *, gid_t *);
182 #ifdef HAVE_ARC4RANDOM
183 # ifndef HAVE_ARC4RANDOM_STIR
184 # define arc4random_stir()
187 unsigned int arc4random(void);
188 void arc4random_stir(void);
189 #endif /* !HAVE_ARC4RANDOM */
191 #ifndef HAVE_ARC4RANDOM_BUF
192 void arc4random_buf(void *, size_t);
195 #ifndef HAVE_ARC4RANDOM_UNIFORM
196 u_int32_t arc4random_uniform(u_int32_t);
199 #ifndef HAVE_ASPRINTF
200 int asprintf(char **, const char *, ...);
204 # include <sys/ioctl.h> /* for struct winsize */
205 int openpty(int *, int *, char *, struct termios *, struct winsize *);
206 #endif /* HAVE_OPENPTY */
208 #ifndef HAVE_SNPRINTF
209 int snprintf(char *, size_t, SNPRINTF_CONST char *, ...);
213 long long strtoll(const char *, char **, int);
217 unsigned long strtoul(const char *, char **, int);
220 #ifndef HAVE_STRTOULL
221 unsigned long long strtoull(const char *, char **, int);
224 #ifndef HAVE_STRTONUM
225 long long strtonum(const char *, long long, long long, const char **);
228 /* multibyte character support */
230 # define mblen(x, y) (1)
234 # define wcwidth(x) (((x) >= 0x20 && (x) <= 0x7e) ? 1 : -1)
235 /* force our no-op nl_langinfo and mbtowc */
236 # undef HAVE_NL_LANGINFO
238 # undef HAVE_LANGINFO_H
241 #ifndef HAVE_NL_LANGINFO
242 # define nl_langinfo(x) ""
246 int mbtowc(wchar_t *, const char*, size_t);
249 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
254 * Some platforms unconditionally undefine va_copy() so we define VA_COPY()
255 * instead. This is known to be the case on at least some configurations of
256 * AIX with the xlc compiler.
260 # define VA_COPY(dest, src) va_copy(dest, src)
262 # ifdef HAVE___VA_COPY
263 # define VA_COPY(dest, src) __va_copy(dest, src)
265 # define VA_COPY(dest, src) (dest) = (src)
270 #ifndef HAVE_VASPRINTF
271 int vasprintf(char **, const char *, va_list);
274 #ifndef HAVE_VSNPRINTF
275 int vsnprintf(char *, size_t, const char *, va_list);
278 #ifndef HAVE_USER_FROM_UID
279 char *user_from_uid(uid_t, int);
282 #ifndef HAVE_GROUP_FROM_GID
283 char *group_from_gid(gid_t, int);
286 #ifndef HAVE_TIMINGSAFE_BCMP
287 int timingsafe_bcmp(const void *, const void *, size_t);
290 #ifndef HAVE_BCRYPT_PBKDF
291 int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t,
292 u_int8_t *, size_t, unsigned int);
295 #ifndef HAVE_EXPLICIT_BZERO
296 void explicit_bzero(void *p, size_t n);
299 char *xcrypt(const char *password, const char *salt);
300 char *shadow_pw(struct passwd *pw);
302 /* rfc2553 socket API replacements */
303 #include "fake-rfc2553.h"
305 /* Routines for a single OS platform */
306 #include "bsd-cray.h"
307 #include "bsd-cygwin_util.h"
309 #include "port-aix.h"
310 #include "port-irix.h"
311 #include "port-linux.h"
312 #include "port-solaris.h"
313 #include "port-tun.h"
316 /* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */
317 #if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE)
318 # include <features.h>
319 # if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ)
320 # if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0)
321 # include <sys/socket.h> /* Ensure include guard is defined */
324 # define FD_SET(n, set) kludge_FD_SET(n, set)
325 # define FD_ISSET(n, set) kludge_FD_ISSET(n, set)
326 void kludge_FD_SET(int, fd_set *);
327 int kludge_FD_ISSET(int, fd_set *);
328 # endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */
329 # endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */
330 #endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */
332 #endif /* _OPENBSD_COMPAT_H */