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 ssize_t getline(char **, size_t *, FILE *);
67 #ifndef HAVE_GETPAGESIZE
68 int getpagesize(void);
72 char *getcwd(char *pt, size_t size);
75 #ifndef HAVE_REALLOCARRAY
76 void *reallocarray(void *, size_t, size_t);
79 #ifndef HAVE_RECALLOCARRAY
80 void *recallocarray(void *, size_t, size_t, size_t);
83 #if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
85 * glibc's FORTIFY_SOURCE can redefine this and prevent us picking up the
88 # ifdef BROKEN_REALPATH
89 # define realpath(x, y) _ssh_compat_realpath(x, y)
92 char *realpath(const char *path, char *resolved);
95 #ifndef HAVE_RRESVPORT_AF
96 int rresvport_af(int *alport, sa_family_t af);
100 size_t strlcpy(char *dst, const char *src, size_t siz);
104 size_t strlcat(char *dst, const char *src, size_t siz);
107 #ifndef HAVE_STRCASESTR
108 char *strcasestr(const char *, const char *);
112 int setenv(register const char *name, register const char *value, int rewrite);
116 void strmode(int mode, char *p);
119 #ifndef HAVE_STRPTIME
121 char *strptime(const char *buf, const char *fmt, struct tm *tm);
124 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
125 int mkstemps(char *path, int slen);
126 int mkstemp(char *path);
127 char *mkdtemp(char *path);
131 int daemon(int nochdir, int noclose);
135 char *dirname(const char *path);
138 #ifndef HAVE_FMT_SCALED
139 #define FMT_SCALED_STRSIZE 7
140 int fmt_scaled(long long number, char *result);
143 #ifndef HAVE_SCAN_SCALED
144 int scan_scaled(char *, long long *);
147 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
148 char *inet_ntoa(struct in_addr in);
151 #ifndef HAVE_INET_NTOP
152 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
155 #ifndef HAVE_INET_ATON
156 int inet_aton(const char *cp, struct in_addr *addr);
160 char *strsep(char **stringp, const char *delim);
163 #ifndef HAVE_SETPROCTITLE
164 void setproctitle(const char *fmt, ...);
165 void compat_init_setproctitle(int argc, char *argv[]);
168 #ifndef HAVE_GETGROUPLIST
169 int getgrouplist(const char *, gid_t, gid_t *, int *);
172 #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
173 int BSDgetopt(int argc, char * const *argv, const char *opts);
174 #include "openbsd-compat/getopt.h"
177 #if ((defined(HAVE_DECL_READV) && HAVE_DECL_READV == 0) || \
178 (defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0))
179 # include <sys/types.h>
180 # include <sys/uio.h>
182 # if defined(HAVE_DECL_READV) && HAVE_DECL_READV == 0
183 int readv(int, struct iovec *, int);
186 # if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0
187 int writev(int, struct iovec *, int);
191 /* Home grown routines */
192 #include "bsd-misc.h"
193 #include "bsd-setres_id.h"
194 #include "bsd-signal.h"
195 #include "bsd-statvfs.h"
196 #include "bsd-waitpid.h"
197 #include "bsd-poll.h"
199 #ifndef HAVE_GETPEEREID
200 int getpeereid(int , uid_t *, gid_t *);
203 #ifdef HAVE_ARC4RANDOM
204 # ifndef HAVE_ARC4RANDOM_STIR
205 # define arc4random_stir()
208 unsigned int arc4random(void);
209 void arc4random_stir(void);
210 #endif /* !HAVE_ARC4RANDOM */
212 #ifndef HAVE_ARC4RANDOM_BUF
213 void arc4random_buf(void *, size_t);
216 #ifndef HAVE_ARC4RANDOM_UNIFORM
217 u_int32_t arc4random_uniform(u_int32_t);
220 #ifndef HAVE_ASPRINTF
221 int asprintf(char **, const char *, ...);
225 # include <sys/ioctl.h> /* for struct winsize */
226 int openpty(int *, int *, char *, struct termios *, struct winsize *);
227 #endif /* HAVE_OPENPTY */
229 #ifndef HAVE_SNPRINTF
230 int snprintf(char *, size_t, SNPRINTF_CONST char *, ...);
234 long long strtoll(const char *, char **, int);
238 unsigned long strtoul(const char *, char **, int);
241 #ifndef HAVE_STRTOULL
242 unsigned long long strtoull(const char *, char **, int);
245 #ifndef HAVE_STRTONUM
246 long long strtonum(const char *, long long, long long, const char **);
249 /* multibyte character support */
251 # define mblen(x, y) (1)
255 # define wcwidth(x) (((x) >= 0x20 && (x) <= 0x7e) ? 1 : -1)
256 /* force our no-op nl_langinfo and mbtowc */
257 # undef HAVE_NL_LANGINFO
259 # undef HAVE_LANGINFO_H
262 #ifndef HAVE_NL_LANGINFO
263 # define nl_langinfo(x) ""
267 int mbtowc(wchar_t *, const char*, size_t);
270 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
275 * Some platforms unconditionally undefine va_copy() so we define VA_COPY()
276 * instead. This is known to be the case on at least some configurations of
277 * AIX with the xlc compiler.
281 # define VA_COPY(dest, src) va_copy(dest, src)
283 # ifdef HAVE___VA_COPY
284 # define VA_COPY(dest, src) __va_copy(dest, src)
286 # define VA_COPY(dest, src) (dest) = (src)
291 #ifndef HAVE_VASPRINTF
292 int vasprintf(char **, const char *, va_list);
295 #ifndef HAVE_VSNPRINTF
296 int vsnprintf(char *, size_t, const char *, va_list);
299 #ifndef HAVE_USER_FROM_UID
300 char *user_from_uid(uid_t, int);
303 #ifndef HAVE_GROUP_FROM_GID
304 char *group_from_gid(gid_t, int);
307 #ifndef HAVE_TIMINGSAFE_BCMP
308 int timingsafe_bcmp(const void *, const void *, size_t);
311 #ifndef HAVE_BCRYPT_PBKDF
312 int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t,
313 u_int8_t *, size_t, unsigned int);
316 #ifndef HAVE_EXPLICIT_BZERO
317 void explicit_bzero(void *p, size_t n);
320 #ifndef HAVE_FREEZERO
321 void freezero(void *, size_t);
324 char *xcrypt(const char *password, const char *salt);
325 char *shadow_pw(struct passwd *pw);
327 /* rfc2553 socket API replacements */
328 #include "fake-rfc2553.h"
330 /* Routines for a single OS platform */
331 #include "bsd-cygwin_util.h"
333 #include "port-aix.h"
334 #include "port-irix.h"
335 #include "port-linux.h"
336 #include "port-solaris.h"
337 #include "port-net.h"
340 /* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */
341 #if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE)
342 # include <features.h>
343 # if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ)
344 # if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0)
345 # include <sys/socket.h> /* Ensure include guard is defined */
348 # define FD_SET(n, set) kludge_FD_SET(n, set)
349 # define FD_ISSET(n, set) kludge_FD_ISSET(n, set)
350 void kludge_FD_SET(int, fd_set *);
351 int kludge_FD_ISSET(int, fd_set *);
352 # endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */
353 # endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */
354 #endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */
356 #endif /* _OPENBSD_COMPAT_H */