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 */
43 #include "readpassphrase.h"
45 #include "getrrsetbyname.h"
53 char *basename(const char *path);
56 #ifndef HAVE_BINDRESVPORT_SA
57 int bindresvport_sa(int sd, struct sockaddr *sa);
60 #ifndef HAVE_CLOSEFROM
65 char *getcwd(char *pt, size_t size);
68 #ifndef HAVE_REALLOCARRAY
69 void *reallocarray(void *, size_t, size_t);
72 #if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
74 * glibc's FORTIFY_SOURCE can redefine this and prevent us picking up the
77 # ifdef BROKEN_REALPATH
78 # define realpath(x, y) _ssh_compat_realpath(x, y)
81 char *realpath(const char *path, char *resolved);
84 #ifndef HAVE_RRESVPORT_AF
85 int rresvport_af(int *alport, sa_family_t af);
89 /* #include <sys/types.h> XXX Still needed? */
90 size_t strlcpy(char *dst, const char *src, size_t siz);
94 /* #include <sys/types.h> XXX Still needed? */
95 size_t strlcat(char *dst, const char *src, size_t siz);
99 int setenv(register const char *name, register const char *value, int rewrite);
103 void strmode(int mode, char *p);
106 #ifndef HAVE_STRPTIME
108 char *strptime(const char *buf, const char *fmt, struct tm *tm);
111 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
112 int mkstemps(char *path, int slen);
113 int mkstemp(char *path);
114 char *mkdtemp(char *path);
118 int daemon(int nochdir, int noclose);
122 char *dirname(const char *path);
125 #ifndef HAVE_FMT_SCALED
126 #define FMT_SCALED_STRSIZE 7
127 int fmt_scaled(long long number, char *result);
130 #ifndef HAVE_SCAN_SCALED
131 int scan_scaled(char *, long long *);
134 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
135 char *inet_ntoa(struct in_addr in);
138 #ifndef HAVE_INET_NTOP
139 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
142 #ifndef HAVE_INET_ATON
143 int inet_aton(const char *cp, struct in_addr *addr);
147 char *strsep(char **stringp, const char *delim);
150 #ifndef HAVE_SETPROCTITLE
151 void setproctitle(const char *fmt, ...);
152 void compat_init_setproctitle(int argc, char *argv[]);
155 #ifndef HAVE_GETGROUPLIST
156 /* #include <grp.h> XXXX Still needed ? */
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 /* #include <sys/types.h> XXX needed? For size_t */
210 #ifndef HAVE_SNPRINTF
211 int snprintf(char *, size_t, SNPRINTF_CONST char *, ...);
215 long long strtoll(const char *, char **, int);
219 unsigned long strtoul(const char *, char **, int);
222 #ifndef HAVE_STRTOULL
223 unsigned long long strtoull(const char *, char **, int);
226 #ifndef HAVE_STRTONUM
227 long long strtonum(const char *, long long, long long, const char **);
230 /* multibyte character support */
232 # define mblen(x, y) (1)
235 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
239 #ifndef HAVE_VASPRINTF
240 int vasprintf(char **, const char *, va_list);
243 #ifndef HAVE_VSNPRINTF
244 int vsnprintf(char *, size_t, const char *, va_list);
247 #ifndef HAVE_USER_FROM_UID
248 char *user_from_uid(uid_t, int);
251 #ifndef HAVE_GROUP_FROM_GID
252 char *group_from_gid(gid_t, int);
255 #ifndef HAVE_TIMINGSAFE_BCMP
256 int timingsafe_bcmp(const void *, const void *, size_t);
259 #ifndef HAVE_BCRYPT_PBKDF
260 int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t,
261 u_int8_t *, size_t, unsigned int);
264 #ifndef HAVE_EXPLICIT_BZERO
265 void explicit_bzero(void *p, size_t n);
268 void *xmmap(size_t size);
269 char *xcrypt(const char *password, const char *salt);
270 char *shadow_pw(struct passwd *pw);
272 /* rfc2553 socket API replacements */
273 #include "fake-rfc2553.h"
275 /* Routines for a single OS platform */
276 #include "bsd-cray.h"
277 #include "bsd-cygwin_util.h"
279 #include "port-aix.h"
280 #include "port-irix.h"
281 #include "port-linux.h"
282 #include "port-solaris.h"
283 #include "port-tun.h"
286 /* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */
287 #if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE)
288 # include <features.h>
289 # if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ)
290 # if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0)
291 # include <sys/socket.h> /* Ensure include guard is defined */
294 # define FD_SET(n, set) kludge_FD_SET(n, set)
295 # define FD_ISSET(n, set) kludge_FD_ISSET(n, set)
296 void kludge_FD_SET(int, fd_set *);
297 int kludge_FD_ISSET(int, fd_set *);
298 # endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */
299 # endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */
300 #endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */
302 #endif /* _OPENBSD_COMPAT_H */