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
63 #ifndef HAVE_GETPAGESIZE
64 int getpagesize(void);
68 char *getcwd(char *pt, size_t size);
71 #ifndef HAVE_REALLOCARRAY
72 void *reallocarray(void *, size_t, size_t);
75 #ifndef HAVE_RECALLOCARRAY
76 void *recallocarray(void *, size_t, size_t, size_t);
79 #if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
81 * glibc's FORTIFY_SOURCE can redefine this and prevent us picking up the
84 # ifdef BROKEN_REALPATH
85 # define realpath(x, y) _ssh_compat_realpath(x, y)
88 char *realpath(const char *path, char *resolved);
91 #ifndef HAVE_RRESVPORT_AF
92 int rresvport_af(int *alport, sa_family_t af);
96 size_t strlcpy(char *dst, const char *src, size_t siz);
100 size_t strlcat(char *dst, const char *src, size_t siz);
103 #ifndef HAVE_STRCASESTR
104 char *strcasestr(const char *, const char *);
108 int setenv(register const char *name, register const char *value, int rewrite);
112 void strmode(int mode, char *p);
115 #ifndef HAVE_STRPTIME
117 char *strptime(const char *buf, const char *fmt, struct tm *tm);
120 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
121 int mkstemps(char *path, int slen);
122 int mkstemp(char *path);
123 char *mkdtemp(char *path);
127 int daemon(int nochdir, int noclose);
131 char *dirname(const char *path);
134 #ifndef HAVE_FMT_SCALED
135 #define FMT_SCALED_STRSIZE 7
136 int fmt_scaled(long long number, char *result);
139 #ifndef HAVE_SCAN_SCALED
140 int scan_scaled(char *, long long *);
143 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
144 char *inet_ntoa(struct in_addr in);
147 #ifndef HAVE_INET_NTOP
148 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
151 #ifndef HAVE_INET_ATON
152 int inet_aton(const char *cp, struct in_addr *addr);
156 char *strsep(char **stringp, const char *delim);
159 #ifndef HAVE_SETPROCTITLE
160 void setproctitle(const char *fmt, ...);
161 void compat_init_setproctitle(int argc, char *argv[]);
164 #ifndef HAVE_GETGROUPLIST
165 int getgrouplist(const char *, gid_t, gid_t *, int *);
168 #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
169 int BSDgetopt(int argc, char * const *argv, const char *opts);
170 #include "openbsd-compat/getopt.h"
173 #if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0
174 # include <sys/types.h>
175 # include <sys/uio.h>
176 int writev(int, struct iovec *, int);
179 /* Home grown routines */
180 #include "bsd-misc.h"
181 #include "bsd-setres_id.h"
182 #include "bsd-statvfs.h"
183 #include "bsd-waitpid.h"
184 #include "bsd-poll.h"
186 #ifndef HAVE_GETPEEREID
187 int getpeereid(int , uid_t *, gid_t *);
190 #ifdef HAVE_ARC4RANDOM
191 # ifndef HAVE_ARC4RANDOM_STIR
192 # define arc4random_stir()
195 unsigned int arc4random(void);
196 void arc4random_stir(void);
197 #endif /* !HAVE_ARC4RANDOM */
199 #ifndef HAVE_ARC4RANDOM_BUF
200 void arc4random_buf(void *, size_t);
203 #ifndef HAVE_ARC4RANDOM_UNIFORM
204 u_int32_t arc4random_uniform(u_int32_t);
207 #ifndef HAVE_ASPRINTF
208 int asprintf(char **, const char *, ...);
212 # include <sys/ioctl.h> /* for struct winsize */
213 int openpty(int *, int *, char *, struct termios *, struct winsize *);
214 #endif /* HAVE_OPENPTY */
216 #ifndef HAVE_SNPRINTF
217 int snprintf(char *, size_t, SNPRINTF_CONST char *, ...);
221 long long strtoll(const char *, char **, int);
225 unsigned long strtoul(const char *, char **, int);
228 #ifndef HAVE_STRTOULL
229 unsigned long long strtoull(const char *, char **, int);
232 #ifndef HAVE_STRTONUM
233 long long strtonum(const char *, long long, long long, const char **);
236 /* multibyte character support */
238 # define mblen(x, y) (1)
242 # define wcwidth(x) (((x) >= 0x20 && (x) <= 0x7e) ? 1 : -1)
243 /* force our no-op nl_langinfo and mbtowc */
244 # undef HAVE_NL_LANGINFO
246 # undef HAVE_LANGINFO_H
249 #ifndef HAVE_NL_LANGINFO
250 # define nl_langinfo(x) ""
254 int mbtowc(wchar_t *, const char*, size_t);
257 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
262 * Some platforms unconditionally undefine va_copy() so we define VA_COPY()
263 * instead. This is known to be the case on at least some configurations of
264 * AIX with the xlc compiler.
268 # define VA_COPY(dest, src) va_copy(dest, src)
270 # ifdef HAVE___VA_COPY
271 # define VA_COPY(dest, src) __va_copy(dest, src)
273 # define VA_COPY(dest, src) (dest) = (src)
278 #ifndef HAVE_VASPRINTF
279 int vasprintf(char **, const char *, va_list);
282 #ifndef HAVE_VSNPRINTF
283 int vsnprintf(char *, size_t, const char *, va_list);
286 #ifndef HAVE_USER_FROM_UID
287 char *user_from_uid(uid_t, int);
290 #ifndef HAVE_GROUP_FROM_GID
291 char *group_from_gid(gid_t, int);
294 #ifndef HAVE_TIMINGSAFE_BCMP
295 int timingsafe_bcmp(const void *, const void *, size_t);
298 #ifndef HAVE_BCRYPT_PBKDF
299 int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t,
300 u_int8_t *, size_t, unsigned int);
303 #ifndef HAVE_EXPLICIT_BZERO
304 void explicit_bzero(void *p, size_t n);
307 #ifndef HAVE_FREEZERO
308 void freezero(void *, size_t);
311 char *xcrypt(const char *password, const char *salt);
312 char *shadow_pw(struct passwd *pw);
314 /* rfc2553 socket API replacements */
315 #include "fake-rfc2553.h"
317 /* Routines for a single OS platform */
318 #include "bsd-cray.h"
319 #include "bsd-cygwin_util.h"
321 #include "port-aix.h"
322 #include "port-irix.h"
323 #include "port-linux.h"
324 #include "port-solaris.h"
325 #include "port-tun.h"
328 /* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */
329 #if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE)
330 # include <features.h>
331 # if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ)
332 # if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0)
333 # include <sys/socket.h> /* Ensure include guard is defined */
336 # define FD_SET(n, set) kludge_FD_SET(n, set)
337 # define FD_ISSET(n, set) kludge_FD_ISSET(n, set)
338 void kludge_FD_SET(int, fd_set *);
339 int kludge_FD_ISSET(int, fd_set *);
340 # endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */
341 # endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */
342 #endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */
344 #endif /* _OPENBSD_COMPAT_H */