1 /* $Id: openbsd-compat.h,v 1.62 2014/09/30 23:43:08 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 #include "blf.h" 48 49 #ifndef HAVE_BASENAME 50 char *basename(const char *path); 51 #endif 52 53 #ifndef HAVE_BINDRESVPORT_SA 54 int bindresvport_sa(int sd, struct sockaddr *sa); 55 #endif 56 57 #ifndef HAVE_CLOSEFROM 58 void closefrom(int); 59 #endif 60 61 #ifndef HAVE_GETCWD 62 char *getcwd(char *pt, size_t size); 63 #endif 64 65 #if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH) 66 char *realpath(const char *path, char *resolved); 67 #endif 68 69 #ifndef HAVE_RRESVPORT_AF 70 int rresvport_af(int *alport, sa_family_t af); 71 #endif 72 73 #ifndef HAVE_STRLCPY 74 /* #include <sys/types.h> XXX Still needed? */ 75 size_t strlcpy(char *dst, const char *src, size_t siz); 76 #endif 77 78 #ifndef HAVE_STRLCAT 79 /* #include <sys/types.h> XXX Still needed? */ 80 size_t strlcat(char *dst, const char *src, size_t siz); 81 #endif 82 83 #ifndef HAVE_SETENV 84 int setenv(register const char *name, register const char *value, int rewrite); 85 #endif 86 87 #ifndef HAVE_STRMODE 88 void strmode(int mode, char *p); 89 #endif 90 91 #ifndef HAVE_STRPTIME 92 #include <time.h> 93 char *strptime(const char *buf, const char *fmt, struct tm *tm); 94 #endif 95 96 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) 97 int mkstemps(char *path, int slen); 98 int mkstemp(char *path); 99 char *mkdtemp(char *path); 100 #endif 101 102 #ifndef HAVE_DAEMON 103 int daemon(int nochdir, int noclose); 104 #endif 105 106 #ifndef HAVE_DIRNAME 107 char *dirname(const char *path); 108 #endif 109 110 #ifndef HAVE_FMT_SCALED 111 #define FMT_SCALED_STRSIZE 7 112 int fmt_scaled(long long number, char *result); 113 #endif 114 115 #ifndef HAVE_SCAN_SCALED 116 int scan_scaled(char *, long long *); 117 #endif 118 119 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) 120 char *inet_ntoa(struct in_addr in); 121 #endif 122 123 #ifndef HAVE_INET_NTOP 124 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size); 125 #endif 126 127 #ifndef HAVE_INET_ATON 128 int inet_aton(const char *cp, struct in_addr *addr); 129 #endif 130 131 #ifndef HAVE_STRSEP 132 char *strsep(char **stringp, const char *delim); 133 #endif 134 135 #ifndef HAVE_SETPROCTITLE 136 void setproctitle(const char *fmt, ...); 137 void compat_init_setproctitle(int argc, char *argv[]); 138 #endif 139 140 #ifndef HAVE_GETGROUPLIST 141 /* #include <grp.h> XXXX Still needed ? */ 142 int getgrouplist(const char *, gid_t, gid_t *, int *); 143 #endif 144 145 #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET) 146 int BSDgetopt(int argc, char * const *argv, const char *opts); 147 #include "openbsd-compat/getopt.h" 148 #endif 149 150 #if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0 151 # include <sys/types.h> 152 # include <sys/uio.h> 153 int writev(int, struct iovec *, int); 154 #endif 155 156 /* Home grown routines */ 157 #include "bsd-misc.h" 158 #include "bsd-setres_id.h" 159 #include "bsd-statvfs.h" 160 #include "bsd-waitpid.h" 161 #include "bsd-poll.h" 162 163 #ifndef HAVE_GETPEEREID 164 int getpeereid(int , uid_t *, gid_t *); 165 #endif 166 167 #ifdef HAVE_ARC4RANDOM 168 # ifndef HAVE_ARC4RANDOM_STIR 169 # define arc4random_stir() 170 # endif 171 #else 172 unsigned int arc4random(void); 173 void arc4random_stir(void); 174 #endif /* !HAVE_ARC4RANDOM */ 175 176 #ifndef HAVE_ARC4RANDOM_BUF 177 void arc4random_buf(void *, size_t); 178 #endif 179 180 #ifndef HAVE_ARC4RANDOM_UNIFORM 181 u_int32_t arc4random_uniform(u_int32_t); 182 #endif 183 184 #ifndef HAVE_ASPRINTF 185 int asprintf(char **, const char *, ...); 186 #endif 187 188 #ifndef HAVE_OPENPTY 189 # include <sys/ioctl.h> /* for struct winsize */ 190 int openpty(int *, int *, char *, struct termios *, struct winsize *); 191 #endif /* HAVE_OPENPTY */ 192 193 /* #include <sys/types.h> XXX needed? For size_t */ 194 195 #ifndef HAVE_SNPRINTF 196 int snprintf(char *, size_t, SNPRINTF_CONST char *, ...); 197 #endif 198 199 #ifndef HAVE_STRTOLL 200 long long strtoll(const char *, char **, int); 201 #endif 202 203 #ifndef HAVE_STRTOUL 204 unsigned long strtoul(const char *, char **, int); 205 #endif 206 207 #ifndef HAVE_STRTOULL 208 unsigned long long strtoull(const char *, char **, int); 209 #endif 210 211 #ifndef HAVE_STRTONUM 212 long long strtonum(const char *, long long, long long, const char **); 213 #endif 214 215 /* multibyte character support */ 216 #ifndef HAVE_MBLEN 217 # define mblen(x, y) 1 218 #endif 219 220 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF) 221 # include <stdarg.h> 222 #endif 223 224 #ifndef HAVE_VASPRINTF 225 int vasprintf(char **, const char *, va_list); 226 #endif 227 228 #ifndef HAVE_VSNPRINTF 229 int vsnprintf(char *, size_t, const char *, va_list); 230 #endif 231 232 #ifndef HAVE_USER_FROM_UID 233 char *user_from_uid(uid_t, int); 234 #endif 235 236 #ifndef HAVE_GROUP_FROM_GID 237 char *group_from_gid(gid_t, int); 238 #endif 239 240 #ifndef HAVE_TIMINGSAFE_BCMP 241 int timingsafe_bcmp(const void *, const void *, size_t); 242 #endif 243 244 #ifndef HAVE_BCRYPT_PBKDF 245 int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t, 246 u_int8_t *, size_t, unsigned int); 247 #endif 248 249 #ifndef HAVE_EXPLICIT_BZERO 250 void explicit_bzero(void *p, size_t n); 251 #endif 252 253 void *xmmap(size_t size); 254 char *xcrypt(const char *password, const char *salt); 255 char *shadow_pw(struct passwd *pw); 256 257 /* rfc2553 socket API replacements */ 258 #include "fake-rfc2553.h" 259 260 /* Routines for a single OS platform */ 261 #include "bsd-cray.h" 262 #include "bsd-cygwin_util.h" 263 264 #include "port-aix.h" 265 #include "port-irix.h" 266 #include "port-linux.h" 267 #include "port-solaris.h" 268 #include "port-tun.h" 269 #include "port-uw.h" 270 271 /* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */ 272 #if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE) 273 # include <features.h> 274 # if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ) 275 # if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) 276 # include <sys/socket.h> /* Ensure include guard is defined */ 277 # undef FD_SET 278 # undef FD_ISSET 279 # define FD_SET(n, set) kludge_FD_SET(n, set) 280 # define FD_ISSET(n, set) kludge_FD_ISSET(n, set) 281 void kludge_FD_SET(int, fd_set *); 282 int kludge_FD_ISSET(int, fd_set *); 283 # endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */ 284 # endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */ 285 #endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */ 286 287 #endif /* _OPENBSD_COMPAT_H */ 288