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      1 /* $Id: openbsd-compat.h,v 1.51 2010/10/07 10:25:29 djm Exp $ */
      2 
      3 /*
      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.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     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.
     16  *
     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.
     27  */
     28 
     29 #ifndef _OPENBSD_COMPAT_H
     30 #define _OPENBSD_COMPAT_H
     31 
     32 #include "includes.h"
     33 
     34 #include <sys/types.h>
     35 #include <pwd.h>
     36 
     37 #include <sys/socket.h>
     38 
     39 /* OpenBSD function replacements */
     40 #include "base64.h"
     41 #include "sigact.h"
     42 #include "glob.h"
     43 #include "readpassphrase.h"
     44 #include "vis.h"
     45 #include "getrrsetbyname.h"
     46 #include "sha2.h"
     47 
     48 #ifndef HAVE_BASENAME
     49 char *basename(const char *path);
     50 #endif
     51 
     52 #ifndef HAVE_BINDRESVPORT_SA
     53 int bindresvport_sa(int sd, struct sockaddr *sa);
     54 #endif
     55 
     56 #ifndef HAVE_CLOSEFROM
     57 void closefrom(int);
     58 #endif
     59 
     60 #ifndef HAVE_GETCWD
     61 char *getcwd(char *pt, size_t size);
     62 #endif
     63 
     64 #if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
     65 char *realpath(const char *path, char *resolved);
     66 #endif
     67 
     68 #ifndef HAVE_RRESVPORT_AF
     69 int rresvport_af(int *alport, sa_family_t af);
     70 #endif
     71 
     72 #ifndef HAVE_STRLCPY
     73 /* #include <sys/types.h> XXX Still needed? */
     74 size_t strlcpy(char *dst, const char *src, size_t siz);
     75 #endif
     76 
     77 #ifndef HAVE_STRLCAT
     78 /* #include <sys/types.h> XXX Still needed? */
     79 size_t strlcat(char *dst, const char *src, size_t siz);
     80 #endif
     81 
     82 #ifndef HAVE_SETENV
     83 int setenv(register const char *name, register const char *value, int rewrite);
     84 #endif
     85 
     86 #ifndef HAVE_STRMODE
     87 void strmode(int mode, char *p);
     88 #endif
     89 
     90 #ifndef HAVE_STRPTIME
     91 #include  <time.h>
     92 char *strptime(const char *buf, const char *fmt, struct tm *tm);
     93 #endif
     94 
     95 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
     96 int mkstemps(char *path, int slen);
     97 int mkstemp(char *path);
     98 char *mkdtemp(char *path);
     99 #endif
    100 
    101 #ifndef HAVE_DAEMON
    102 int daemon(int nochdir, int noclose);
    103 #endif
    104 
    105 #ifndef HAVE_DIRNAME
    106 char *dirname(const char *path);
    107 #endif
    108 
    109 #ifndef HAVE_FMT_SCALED
    110 #define	FMT_SCALED_STRSIZE	7
    111 int	fmt_scaled(long long number, char *result);
    112 #endif
    113 
    114 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
    115 char *inet_ntoa(struct in_addr in);
    116 #endif
    117 
    118 #ifndef HAVE_INET_NTOP
    119 const char *inet_ntop(int af, const void *src, char *dst, size_t size);
    120 #endif
    121 
    122 #ifndef HAVE_INET_ATON
    123 int inet_aton(const char *cp, struct in_addr *addr);
    124 #endif
    125 
    126 #ifndef HAVE_STRSEP
    127 char *strsep(char **stringp, const char *delim);
    128 #endif
    129 
    130 #ifndef HAVE_SETPROCTITLE
    131 void setproctitle(const char *fmt, ...);
    132 void compat_init_setproctitle(int argc, char *argv[]);
    133 #endif
    134 
    135 #ifndef HAVE_GETGROUPLIST
    136 /* #include <grp.h> XXXX Still needed ? */
    137 int getgrouplist(const char *, gid_t, gid_t *, int *);
    138 #endif
    139 
    140 #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
    141 int BSDgetopt(int argc, char * const *argv, const char *opts);
    142 #endif
    143 
    144 #if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0
    145 # include <sys/types.h>
    146 # include <sys/uio.h>
    147 int writev(int, struct iovec *, int);
    148 #endif
    149 
    150 /* Home grown routines */
    151 #include "bsd-misc.h"
    152 #include "bsd-statvfs.h"
    153 #include "bsd-waitpid.h"
    154 #include "bsd-poll.h"
    155 
    156 #ifndef HAVE_GETPEEREID
    157 int getpeereid(int , uid_t *, gid_t *);
    158 #endif
    159 
    160 #ifndef HAVE_ARC4RANDOM
    161 unsigned int arc4random(void);
    162 void arc4random_stir(void);
    163 #endif /* !HAVE_ARC4RANDOM */
    164 
    165 #ifndef HAVE_ARC4RANDOM_BUF
    166 void arc4random_buf(void *, size_t);
    167 #endif
    168 
    169 #ifndef HAVE_ARC4RANDOM_UNIFORM
    170 u_int32_t arc4random_uniform(u_int32_t);
    171 #endif
    172 
    173 #ifndef HAVE_ASPRINTF
    174 int asprintf(char **, const char *, ...);
    175 #endif
    176 
    177 #ifndef HAVE_OPENPTY
    178 # include <sys/ioctl.h>	/* for struct winsize */
    179 int openpty(int *, int *, char *, struct termios *, struct winsize *);
    180 #endif /* HAVE_OPENPTY */
    181 
    182 /* #include <sys/types.h> XXX needed? For size_t */
    183 
    184 #ifndef HAVE_SNPRINTF
    185 int snprintf(char *, size_t, SNPRINTF_CONST char *, ...);
    186 #endif
    187 
    188 #ifndef HAVE_STRTOLL
    189 long long strtoll(const char *, char **, int);
    190 #endif
    191 
    192 #ifndef HAVE_STRTONUM
    193 long long strtonum(const char *, long long, long long, const char **);
    194 #endif
    195 
    196 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
    197 # include <stdarg.h>
    198 #endif
    199 
    200 #ifndef HAVE_VASPRINTF
    201 int vasprintf(char **, const char *, va_list);
    202 #endif
    203 
    204 #ifndef HAVE_VSNPRINTF
    205 int vsnprintf(char *, size_t, const char *, va_list);
    206 #endif
    207 
    208 #ifndef HAVE_USER_FROM_UID
    209 char *user_from_uid(uid_t, int);
    210 #endif
    211 
    212 #ifndef HAVE_GROUP_FROM_GID
    213 char *group_from_gid(gid_t, int);
    214 #endif
    215 
    216 #ifndef HAVE_TIMINGSAFE_BCMP
    217 int timingsafe_bcmp(const void *, const void *, size_t);
    218 #endif
    219 
    220 void *xmmap(size_t size);
    221 char *xcrypt(const char *password, const char *salt);
    222 char *shadow_pw(struct passwd *pw);
    223 
    224 /* rfc2553 socket API replacements */
    225 #include "fake-rfc2553.h"
    226 
    227 /* Routines for a single OS platform */
    228 #include "bsd-cray.h"
    229 #include "bsd-cygwin_util.h"
    230 
    231 #include "port-aix.h"
    232 #include "port-irix.h"
    233 #include "port-linux.h"
    234 #include "port-solaris.h"
    235 #include "port-tun.h"
    236 #include "port-uw.h"
    237 
    238 #endif /* _OPENBSD_COMPAT_H */
    239