Damien Miller | 703b98a | 2014-10-01 09:43:07 +1000 | [diff] [blame] | 1 | /* $Id: openbsd-compat.h,v 1.62 2014/09/30 23:43:08 djm Exp $ */ |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 2 | |
Damien Miller | af63951 | 2003-06-11 22:51:32 +1000 | [diff] [blame] | 3 | /* |
| 4 | * Copyright (c) 1999-2003 Damien Miller. All rights reserved. |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 5 | * Copyright (c) 2003 Ben Lindstrom. All rights reserved. |
| 6 | * Copyright (c) 2002 Tim Rice. All rights reserved. |
Damien Miller | af63951 | 2003-06-11 22:51:32 +1000 | [diff] [blame] | 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 | |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 29 | #ifndef _OPENBSD_COMPAT_H |
| 30 | #define _OPENBSD_COMPAT_H |
Damien Miller | e9cf357 | 2001-02-09 12:55:35 +1100 | [diff] [blame] | 31 | |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 32 | #include "includes.h" |
Ben Lindstrom | 3c06f6a | 2001-01-31 21:52:01 +0000 | [diff] [blame] | 33 | |
Damien Miller | a1738e4 | 2006-07-10 21:33:04 +1000 | [diff] [blame] | 34 | #include <sys/types.h> |
| 35 | #include <pwd.h> |
| 36 | |
Darren Tucker | 4e880e6 | 2006-07-11 00:20:51 +1000 | [diff] [blame] | 37 | #include <sys/socket.h> |
| 38 | |
Ben Lindstrom | 3c06f6a | 2001-01-31 21:52:01 +0000 | [diff] [blame] | 39 | /* OpenBSD function replacements */ |
Ben Lindstrom | 3c06f6a | 2001-01-31 21:52:01 +0000 | [diff] [blame] | 40 | #include "base64.h" |
Ben Lindstrom | 803f16c | 2001-02-24 00:24:19 +0000 | [diff] [blame] | 41 | #include "sigact.h" |
Damien Miller | 3c02768 | 2001-03-14 11:39:45 +1100 | [diff] [blame] | 42 | #include "glob.h" |
Damien Miller | c8a3868 | 2001-06-25 18:09:16 +1000 | [diff] [blame] | 43 | #include "readpassphrase.h" |
Damien Miller | b93addb | 2003-01-07 17:04:18 +1100 | [diff] [blame] | 44 | #include "vis.h" |
Damien Miller | d9ec370 | 2003-05-15 12:27:08 +1000 | [diff] [blame] | 45 | #include "getrrsetbyname.h" |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 46 | #include "sha1.h" |
Damien Miller | af87af1 | 2006-03-15 13:02:28 +1100 | [diff] [blame] | 47 | #include "sha2.h" |
Damien Miller | 72ef7c1 | 2015-01-15 02:21:31 +1100 | [diff] [blame] | 48 | #include "rmd160.h" |
| 49 | #include "md5.h" |
Damien Miller | 1ff130d | 2013-12-07 11:51:51 +1100 | [diff] [blame] | 50 | #include "blf.h" |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 51 | |
| 52 | #ifndef HAVE_BASENAME |
| 53 | char *basename(const char *path); |
| 54 | #endif |
| 55 | |
| 56 | #ifndef HAVE_BINDRESVPORT_SA |
| 57 | int bindresvport_sa(int sd, struct sockaddr *sa); |
| 58 | #endif |
| 59 | |
Damien Miller | 36f4965 | 2004-08-15 18:40:59 +1000 | [diff] [blame] | 60 | #ifndef HAVE_CLOSEFROM |
| 61 | void closefrom(int); |
| 62 | #endif |
| 63 | |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 64 | #ifndef HAVE_GETCWD |
| 65 | char *getcwd(char *pt, size_t size); |
| 66 | #endif |
| 67 | |
Darren Tucker | 642652d | 2014-12-10 01:32:23 +1100 | [diff] [blame] | 68 | #ifndef HAVE_REALLOCARRAY |
| 69 | void *reallocarray(void *, size_t, size_t); |
| 70 | #endif |
| 71 | |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 72 | #if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH) |
| 73 | char *realpath(const char *path, char *resolved); |
| 74 | #endif |
| 75 | |
| 76 | #ifndef HAVE_RRESVPORT_AF |
| 77 | int rresvport_af(int *alport, sa_family_t af); |
| 78 | #endif |
| 79 | |
| 80 | #ifndef HAVE_STRLCPY |
| 81 | /* #include <sys/types.h> XXX Still needed? */ |
| 82 | size_t strlcpy(char *dst, const char *src, size_t siz); |
| 83 | #endif |
| 84 | |
| 85 | #ifndef HAVE_STRLCAT |
| 86 | /* #include <sys/types.h> XXX Still needed? */ |
| 87 | size_t strlcat(char *dst, const char *src, size_t siz); |
| 88 | #endif |
| 89 | |
| 90 | #ifndef HAVE_SETENV |
| 91 | int setenv(register const char *name, register const char *value, int rewrite); |
| 92 | #endif |
| 93 | |
| 94 | #ifndef HAVE_STRMODE |
| 95 | void strmode(int mode, char *p); |
| 96 | #endif |
| 97 | |
Darren Tucker | aa74f67 | 2010-08-16 13:15:23 +1000 | [diff] [blame] | 98 | #ifndef HAVE_STRPTIME |
| 99 | #include <time.h> |
| 100 | char *strptime(const char *buf, const char *fmt, struct tm *tm); |
| 101 | #endif |
| 102 | |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 103 | #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) |
| 104 | int mkstemps(char *path, int slen); |
| 105 | int mkstemp(char *path); |
| 106 | char *mkdtemp(char *path); |
| 107 | #endif |
| 108 | |
| 109 | #ifndef HAVE_DAEMON |
| 110 | int daemon(int nochdir, int noclose); |
| 111 | #endif |
| 112 | |
| 113 | #ifndef HAVE_DIRNAME |
| 114 | char *dirname(const char *path); |
| 115 | #endif |
| 116 | |
Damien Miller | a7058ec | 2008-05-20 08:57:06 +1000 | [diff] [blame] | 117 | #ifndef HAVE_FMT_SCALED |
| 118 | #define FMT_SCALED_STRSIZE 7 |
| 119 | int fmt_scaled(long long number, char *result); |
| 120 | #endif |
| 121 | |
Darren Tucker | e194ba4 | 2013-05-16 20:47:31 +1000 | [diff] [blame] | 122 | #ifndef HAVE_SCAN_SCALED |
| 123 | int scan_scaled(char *, long long *); |
| 124 | #endif |
| 125 | |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 126 | #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) |
| 127 | char *inet_ntoa(struct in_addr in); |
| 128 | #endif |
| 129 | |
| 130 | #ifndef HAVE_INET_NTOP |
Damien Miller | 3e6fe87 | 2011-09-23 11:16:09 +1000 | [diff] [blame] | 131 | const char *inet_ntop(int af, const void *src, char *dst, socklen_t size); |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 132 | #endif |
| 133 | |
| 134 | #ifndef HAVE_INET_ATON |
| 135 | int inet_aton(const char *cp, struct in_addr *addr); |
| 136 | #endif |
| 137 | |
| 138 | #ifndef HAVE_STRSEP |
| 139 | char *strsep(char **stringp, const char *delim); |
| 140 | #endif |
| 141 | |
| 142 | #ifndef HAVE_SETPROCTITLE |
| 143 | void setproctitle(const char *fmt, ...); |
| 144 | void compat_init_setproctitle(int argc, char *argv[]); |
| 145 | #endif |
| 146 | |
| 147 | #ifndef HAVE_GETGROUPLIST |
| 148 | /* #include <grp.h> XXXX Still needed ? */ |
| 149 | int getgrouplist(const char *, gid_t, gid_t *, int *); |
| 150 | #endif |
| 151 | |
| 152 | #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET) |
| 153 | int BSDgetopt(int argc, char * const *argv, const char *opts); |
Darren Tucker | 0abfb55 | 2013-05-10 18:08:49 +1000 | [diff] [blame] | 154 | #include "openbsd-compat/getopt.h" |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 155 | #endif |
| 156 | |
Darren Tucker | ed0b592 | 2006-09-03 22:44:49 +1000 | [diff] [blame] | 157 | #if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0 |
| 158 | # include <sys/types.h> |
| 159 | # include <sys/uio.h> |
| 160 | int writev(int, struct iovec *, int); |
| 161 | #endif |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 162 | |
Ben Lindstrom | 3c06f6a | 2001-01-31 21:52:01 +0000 | [diff] [blame] | 163 | /* Home grown routines */ |
Ben Lindstrom | 3c06f6a | 2001-01-31 21:52:01 +0000 | [diff] [blame] | 164 | #include "bsd-misc.h" |
Darren Tucker | f96ff18 | 2012-11-05 17:04:37 +1100 | [diff] [blame] | 165 | #include "bsd-setres_id.h" |
Darren Tucker | 598eaa6 | 2008-06-09 03:32:29 +1000 | [diff] [blame] | 166 | #include "bsd-statvfs.h" |
Ben Lindstrom | 3c06f6a | 2001-01-31 21:52:01 +0000 | [diff] [blame] | 167 | #include "bsd-waitpid.h" |
Darren Tucker | febf0f5 | 2007-06-25 22:15:12 +1000 | [diff] [blame] | 168 | #include "bsd-poll.h" |
Ben Lindstrom | 3c06f6a | 2001-01-31 21:52:01 +0000 | [diff] [blame] | 169 | |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 170 | #ifndef HAVE_GETPEEREID |
| 171 | int getpeereid(int , uid_t *, gid_t *); |
Darren Tucker | ccdb9be | 2013-11-08 18:54:38 +1100 | [diff] [blame] | 172 | #endif |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 173 | |
Darren Tucker | ccdb9be | 2013-11-08 18:54:38 +1100 | [diff] [blame] | 174 | #ifdef HAVE_ARC4RANDOM |
| 175 | # ifndef HAVE_ARC4RANDOM_STIR |
| 176 | # define arc4random_stir() |
| 177 | # endif |
| 178 | #else |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 179 | unsigned int arc4random(void); |
| 180 | void arc4random_stir(void); |
| 181 | #endif /* !HAVE_ARC4RANDOM */ |
| 182 | |
Damien Miller | a4be7c2 | 2008-05-19 14:47:37 +1000 | [diff] [blame] | 183 | #ifndef HAVE_ARC4RANDOM_BUF |
| 184 | void arc4random_buf(void *, size_t); |
| 185 | #endif |
| 186 | |
| 187 | #ifndef HAVE_ARC4RANDOM_UNIFORM |
| 188 | u_int32_t arc4random_uniform(u_int32_t); |
| 189 | #endif |
| 190 | |
Damien Miller | 57f3915 | 2005-11-24 19:58:19 +1100 | [diff] [blame] | 191 | #ifndef HAVE_ASPRINTF |
| 192 | int asprintf(char **, const char *, ...); |
| 193 | #endif |
| 194 | |
Damien Miller | f4da3bb | 2004-01-21 17:07:16 +1100 | [diff] [blame] | 195 | #ifndef HAVE_OPENPTY |
Darren Tucker | dc6118e | 2006-03-15 22:25:54 +1100 | [diff] [blame] | 196 | # include <sys/ioctl.h> /* for struct winsize */ |
Damien Miller | f4da3bb | 2004-01-21 17:07:16 +1100 | [diff] [blame] | 197 | int openpty(int *, int *, char *, struct termios *, struct winsize *); |
| 198 | #endif /* HAVE_OPENPTY */ |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 199 | |
| 200 | /* #include <sys/types.h> XXX needed? For size_t */ |
| 201 | |
| 202 | #ifndef HAVE_SNPRINTF |
Darren Tucker | 66c32d5 | 2006-06-30 10:51:32 +1000 | [diff] [blame] | 203 | int snprintf(char *, size_t, SNPRINTF_CONST char *, ...); |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 204 | #endif |
| 205 | |
Darren Tucker | 6e42211 | 2005-09-30 09:55:49 +1000 | [diff] [blame] | 206 | #ifndef HAVE_STRTOLL |
| 207 | long long strtoll(const char *, char **, int); |
| 208 | #endif |
| 209 | |
Darren Tucker | f32db83 | 2013-02-15 12:20:41 +1100 | [diff] [blame] | 210 | #ifndef HAVE_STRTOUL |
| 211 | unsigned long strtoul(const char *, char **, int); |
| 212 | #endif |
| 213 | |
| 214 | #ifndef HAVE_STRTOULL |
| 215 | unsigned long long strtoull(const char *, char **, int); |
| 216 | #endif |
| 217 | |
Damien Miller | de3cb0a | 2005-05-26 20:48:25 +1000 | [diff] [blame] | 218 | #ifndef HAVE_STRTONUM |
| 219 | long long strtonum(const char *, long long, long long, const char **); |
| 220 | #endif |
| 221 | |
Darren Tucker | ae133d4 | 2013-06-06 08:30:20 +1000 | [diff] [blame] | 222 | /* multibyte character support */ |
| 223 | #ifndef HAVE_MBLEN |
| 224 | # define mblen(x, y) 1 |
| 225 | #endif |
| 226 | |
Darren Tucker | 5998ed0 | 2006-07-12 23:10:33 +1000 | [diff] [blame] | 227 | #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF) |
| 228 | # include <stdarg.h> |
| 229 | #endif |
| 230 | |
Damien Miller | 57f3915 | 2005-11-24 19:58:19 +1100 | [diff] [blame] | 231 | #ifndef HAVE_VASPRINTF |
| 232 | int vasprintf(char **, const char *, va_list); |
| 233 | #endif |
| 234 | |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 235 | #ifndef HAVE_VSNPRINTF |
| 236 | int vsnprintf(char *, size_t, const char *, va_list); |
| 237 | #endif |
| 238 | |
Darren Tucker | 2563e3f | 2010-01-16 11:53:07 +1100 | [diff] [blame] | 239 | #ifndef HAVE_USER_FROM_UID |
Darren Tucker | 69371b5 | 2010-01-16 13:30:30 +1100 | [diff] [blame] | 240 | char *user_from_uid(uid_t, int); |
Darren Tucker | 2563e3f | 2010-01-16 11:53:07 +1100 | [diff] [blame] | 241 | #endif |
| 242 | |
Darren Tucker | 4e21855 | 2010-01-16 23:58:37 +1100 | [diff] [blame] | 243 | #ifndef HAVE_GROUP_FROM_GID |
Darren Tucker | 69371b5 | 2010-01-16 13:30:30 +1100 | [diff] [blame] | 244 | char *group_from_gid(gid_t, int); |
Darren Tucker | 2563e3f | 2010-01-16 11:53:07 +1100 | [diff] [blame] | 245 | #endif |
| 246 | |
Damien Miller | aa18063 | 2010-10-07 21:25:27 +1100 | [diff] [blame] | 247 | #ifndef HAVE_TIMINGSAFE_BCMP |
| 248 | int timingsafe_bcmp(const void *, const void *, size_t); |
| 249 | #endif |
| 250 | |
Damien Miller | 1ff130d | 2013-12-07 11:51:51 +1100 | [diff] [blame] | 251 | #ifndef HAVE_BCRYPT_PBKDF |
| 252 | int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t, |
| 253 | u_int8_t *, size_t, unsigned int); |
| 254 | #endif |
| 255 | |
Damien Miller | 1d2c456 | 2014-02-04 11:18:20 +1100 | [diff] [blame] | 256 | #ifndef HAVE_EXPLICIT_BZERO |
| 257 | void explicit_bzero(void *p, size_t n); |
| 258 | #endif |
| 259 | |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 260 | void *xmmap(size_t size); |
| 261 | char *xcrypt(const char *password, const char *salt); |
| 262 | char *shadow_pw(struct passwd *pw); |
| 263 | |
Ben Lindstrom | 3c06f6a | 2001-01-31 21:52:01 +0000 | [diff] [blame] | 264 | /* rfc2553 socket API replacements */ |
Damien Miller | c28e38d | 2003-06-05 18:52:47 +1000 | [diff] [blame] | 265 | #include "fake-rfc2553.h" |
Ben Lindstrom | 3c06f6a | 2001-01-31 21:52:01 +0000 | [diff] [blame] | 266 | |
Ben Lindstrom | 6db66ff | 2001-08-06 23:29:16 +0000 | [diff] [blame] | 267 | /* Routines for a single OS platform */ |
| 268 | #include "bsd-cray.h" |
Darren Tucker | 70a08cd | 2003-05-04 10:41:20 +1000 | [diff] [blame] | 269 | #include "bsd-cygwin_util.h" |
Damien Miller | 1b06dc3 | 2006-08-31 03:24:41 +1000 | [diff] [blame] | 270 | |
| 271 | #include "port-aix.h" |
Ben Lindstrom | f095a85 | 2002-02-19 20:02:48 +0000 | [diff] [blame] | 272 | #include "port-irix.h" |
Damien Miller | 73b42d2 | 2006-04-22 21:26:08 +1000 | [diff] [blame] | 273 | #include "port-linux.h" |
Damien Miller | 1b06dc3 | 2006-08-31 03:24:41 +1000 | [diff] [blame] | 274 | #include "port-solaris.h" |
Damien Miller | 598bbc2 | 2005-12-31 16:33:36 +1100 | [diff] [blame] | 275 | #include "port-tun.h" |
Damien Miller | 1b06dc3 | 2006-08-31 03:24:41 +1000 | [diff] [blame] | 276 | #include "port-uw.h" |
Ben Lindstrom | 6db66ff | 2001-08-06 23:29:16 +0000 | [diff] [blame] | 277 | |
Damien Miller | 703b98a | 2014-10-01 09:43:07 +1000 | [diff] [blame] | 278 | /* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */ |
| 279 | #if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE) |
| 280 | # include <features.h> |
| 281 | # if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ) |
| 282 | # if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) |
| 283 | # include <sys/socket.h> /* Ensure include guard is defined */ |
| 284 | # undef FD_SET |
| 285 | # undef FD_ISSET |
| 286 | # define FD_SET(n, set) kludge_FD_SET(n, set) |
| 287 | # define FD_ISSET(n, set) kludge_FD_ISSET(n, set) |
| 288 | void kludge_FD_SET(int, fd_set *); |
| 289 | int kludge_FD_ISSET(int, fd_set *); |
| 290 | # endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */ |
| 291 | # endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */ |
| 292 | #endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */ |
| 293 | |
Ben Lindstrom | 515d0f9 | 2003-08-29 16:59:52 +0000 | [diff] [blame] | 294 | #endif /* _OPENBSD_COMPAT_H */ |