1 /* $Id: openbsd-compat.h,v 1.62 2014/09/30 23:43:08 djm Exp $ */
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.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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.
29 #ifndef _OPENBSD_COMPAT_H
30 #define _OPENBSD_COMPAT_H
34 #include <sys/types.h>
37 #include <sys/socket.h>
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 /* #include <sys/types.h> XXX Still needed? */
89 size_t strlcpy(char *dst, const char *src, size_t siz);
93 /* #include <sys/types.h> XXX Still needed? */
94 size_t strlcat(char *dst, const char *src, size_t siz);
98 int setenv(register const char *name, register const char *value, int rewrite);
102 void strmode(int mode, char *p);
105 #ifndef HAVE_STRPTIME
107 char *strptime(const char *buf, const char *fmt, struct tm *tm);
110 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
111 int mkstemps(char *path, int slen);
112 int mkstemp(char *path);
113 char *mkdtemp(char *path);
117 int daemon(int nochdir, int noclose);
121 char *dirname(const char *path);
124 #ifndef HAVE_FMT_SCALED
125 #define FMT_SCALED_STRSIZE 7
126 int fmt_scaled(long long number, char *result);
129 #ifndef HAVE_SCAN_SCALED
130 int scan_scaled(char *, long long *);
133 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
134 char *inet_ntoa(struct in_addr in);
137 #ifndef HAVE_INET_NTOP
138 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
141 #ifndef HAVE_INET_ATON
142 int inet_aton(const char *cp, struct in_addr *addr);
146 char *strsep(char **stringp, const char *delim);
149 #ifndef HAVE_SETPROCTITLE
150 void setproctitle(const char *fmt, ...);
151 void compat_init_setproctitle(int argc, char *argv[]);
154 #ifndef HAVE_GETGROUPLIST
155 /* #include <grp.h> XXXX Still needed ? */
156 int getgrouplist(const char *, gid_t, gid_t *, int *);
159 #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
160 int BSDgetopt(int argc, char * const *argv, const char *opts);
161 #include "openbsd-compat/getopt.h"
164 #if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0
165 # include <sys/types.h>
166 # include <sys/uio.h>
167 int writev(int, struct iovec *, int);
170 /* Home grown routines */
171 #include "bsd-misc.h"
172 #include "bsd-setres_id.h"
173 #include "bsd-statvfs.h"
174 #include "bsd-waitpid.h"
175 #include "bsd-poll.h"
177 #ifndef HAVE_GETPEEREID
178 int getpeereid(int , uid_t *, gid_t *);
181 #ifdef HAVE_ARC4RANDOM
182 # ifndef HAVE_ARC4RANDOM_STIR
183 # define arc4random_stir()
186 unsigned int arc4random(void);
187 void arc4random_stir(void);
188 #endif /* !HAVE_ARC4RANDOM */
190 #ifndef HAVE_ARC4RANDOM_BUF
191 void arc4random_buf(void *, size_t);
194 #ifndef HAVE_ARC4RANDOM_UNIFORM
195 u_int32_t arc4random_uniform(u_int32_t);
198 #ifndef HAVE_ASPRINTF
199 int asprintf(char **, const char *, ...);
203 # include <sys/ioctl.h> /* for struct winsize */
204 int openpty(int *, int *, char *, struct termios *, struct winsize *);
205 #endif /* HAVE_OPENPTY */
207 /* #include <sys/types.h> XXX needed? For size_t */
209 #ifndef HAVE_SNPRINTF
210 int snprintf(char *, size_t, SNPRINTF_CONST char *, ...);
214 long long strtoll(const char *, char **, int);
218 unsigned long strtoul(const char *, char **, int);
221 #ifndef HAVE_STRTOULL
222 unsigned long long strtoull(const char *, char **, int);
225 #ifndef HAVE_STRTONUM
226 long long strtonum(const char *, long long, long long, const char **);
229 /* multibyte character support */
231 # define mblen(x, y) (1)
234 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
238 #ifndef HAVE_VASPRINTF
239 int vasprintf(char **, const char *, va_list);
242 #ifndef HAVE_VSNPRINTF
243 int vsnprintf(char *, size_t, const char *, va_list);
246 #ifndef HAVE_USER_FROM_UID
247 char *user_from_uid(uid_t, int);
250 #ifndef HAVE_GROUP_FROM_GID
251 char *group_from_gid(gid_t, int);
254 #ifndef HAVE_TIMINGSAFE_BCMP
255 int timingsafe_bcmp(const void *, const void *, size_t);
258 #ifndef HAVE_BCRYPT_PBKDF
259 int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t,
260 u_int8_t *, size_t, unsigned int);
263 #ifndef HAVE_EXPLICIT_BZERO
264 void explicit_bzero(void *p, size_t n);
267 void *xmmap(size_t size);
268 char *xcrypt(const char *password, const char *salt);
269 char *shadow_pw(struct passwd *pw);
271 /* rfc2553 socket API replacements */
272 #include "fake-rfc2553.h"
274 /* Routines for a single OS platform */
275 #include "bsd-cray.h"
276 #include "bsd-cygwin_util.h"
278 #include "port-aix.h"
279 #include "port-irix.h"
280 #include "port-linux.h"
281 #include "port-solaris.h"
282 #include "port-tun.h"
285 /* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */
286 #if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE)
287 # include <features.h>
288 # if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ)
289 # if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0)
290 # include <sys/socket.h> /* Ensure include guard is defined */
293 # define FD_SET(n, set) kludge_FD_SET(n, set)
294 # define FD_ISSET(n, set) kludge_FD_ISSET(n, set)
295 void kludge_FD_SET(int, fd_set *);
296 int kludge_FD_ISSET(int, fd_set *);
297 # endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */
298 # endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */
299 #endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */
301 #endif /* _OPENBSD_COMPAT_H */