1 /* 2 * Copyright (c) 1999-2003 Damien Miller. All rights reserved. 3 * Copyright (c) 2003 Ben Lindstrom. All rights reserved. 4 * Copyright (c) 2002 Tim Rice. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _OPENBSD_COMPAT_H 28 #define _OPENBSD_COMPAT_H 29 30 #include "includes.h" 31 32 #include <sys/types.h> 33 #include <pwd.h> 34 35 #include <sys/socket.h> 36 37 #include <stddef.h> /* for wchar_t */ 38 39 /* OpenBSD function replacements */ 40 #include "base64.h" 41 #include "sigact.h" 42 #include "readpassphrase.h" 43 #include "vis.h" 44 #include "getrrsetbyname.h" 45 #include "sha1.h" 46 #include "sha2.h" 47 #include "md5.h" 48 #include "blf.h" 49 #include "fnmatch.h" 50 51 #if defined(HAVE_LOGIN_CAP) && !defined(HAVE_LOGIN_GETPWCLASS) 52 # include <login_cap.h> 53 # define login_getpwclass(pw) login_getclass(pw->pw_class) 54 #endif 55 56 #ifndef HAVE_BASENAME 57 char *basename(const char *path); 58 #endif 59 60 #ifndef HAVE_BINDRESVPORT_SA 61 int bindresvport_sa(int sd, struct sockaddr *sa); 62 #endif 63 64 #ifndef HAVE_CLOSEFROM 65 void closefrom(int); 66 #endif 67 68 #if defined(HAVE_DECL_FTRUNCATE) && HAVE_DECL_FTRUNCATE == 0 69 int ftruncate(int filedes, off_t length); 70 #endif 71 72 #if defined(HAVE_DECL_GETENTROPY) && HAVE_DECL_GETENTROPY == 0 73 int _ssh_compat_getentropy(void *, size_t); 74 #endif 75 76 #ifndef HAVE_GETLINE 77 #include <stdio.h> 78 ssize_t getline(char **, size_t *, FILE *); 79 #endif 80 81 #ifndef HAVE_GETPAGESIZE 82 int getpagesize(void); 83 #endif 84 85 #ifndef HAVE_GETCWD 86 char *getcwd(char *pt, size_t size); 87 #endif 88 89 #ifndef HAVE_KILLPG 90 int killpg(pid_t, int); 91 #endif 92 93 #if defined(HAVE_DECL_MEMMEM) && HAVE_DECL_MEMMEM == 0 94 void *memmem(const void *, size_t, const void *, size_t); 95 #endif 96 97 #ifndef HAVE_REALLOCARRAY 98 void *reallocarray(void *, size_t, size_t); 99 #endif 100 101 #ifndef HAVE_RECALLOCARRAY 102 void *recallocarray(void *, size_t, size_t, size_t); 103 #endif 104 105 #ifndef HAVE_RRESVPORT_AF 106 int rresvport_af(int *alport, sa_family_t af); 107 #endif 108 109 #ifndef HAVE_STRLCPY 110 size_t strlcpy(char *dst, const char *src, size_t siz); 111 #endif 112 113 #ifndef HAVE_STRLCAT 114 size_t strlcat(char *dst, const char *src, size_t siz); 115 #endif 116 117 #ifndef HAVE_STRCASESTR 118 char *strcasestr(const char *, const char *); 119 #endif 120 121 #ifndef HAVE_STRNLEN 122 size_t strnlen(const char *, size_t); 123 #endif 124 125 #ifndef HAVE_STRNDUP 126 char *strndup(const char *s, size_t n); 127 #endif 128 129 #ifndef HAVE_SETENV 130 int setenv(register const char *name, register const char *value, int rewrite); 131 #endif 132 133 #ifndef HAVE_STRMODE 134 void strmode(int mode, char *p); 135 #endif 136 137 #ifndef HAVE_STRPTIME 138 #include <time.h> 139 char *strptime(const char *buf, const char *fmt, struct tm *tm); 140 #endif 141 142 #if !defined(HAVE_MKDTEMP) 143 int mkstemps(char *path, int slen); 144 int mkstemp(char *path); 145 char *mkdtemp(char *path); 146 #endif 147 148 #ifndef HAVE_DAEMON 149 int daemon(int nochdir, int noclose); 150 #endif 151 152 #ifndef HAVE_DIRNAME 153 char *dirname(const char *path); 154 #endif 155 156 #ifndef HAVE_FMT_SCALED 157 #define FMT_SCALED_STRSIZE 7 158 int fmt_scaled(long long number, char *result); 159 #endif 160 161 #ifndef HAVE_SCAN_SCALED 162 int scan_scaled(char *, long long *); 163 #endif 164 165 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) 166 char *inet_ntoa(struct in_addr in); 167 #endif 168 169 #ifndef HAVE_INET_NTOP 170 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size); 171 #endif 172 173 #ifndef HAVE_INET_ATON 174 int inet_aton(const char *cp, struct in_addr *addr); 175 #endif 176 177 #ifndef HAVE_STRSEP 178 char *strsep(char **stringp, const char *delim); 179 #endif 180 181 #ifndef HAVE_SETPROCTITLE 182 void setproctitle(const char *fmt, ...); 183 void compat_init_setproctitle(int argc, char *argv[]); 184 #endif 185 186 #ifndef HAVE_GETGROUPLIST 187 int getgrouplist(const char *, gid_t, gid_t *, int *); 188 #endif 189 190 #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET) 191 int BSDgetopt(int argc, char * const *argv, const char *opts); 192 #include "openbsd-compat/getopt.h" 193 #endif 194 195 #if ((defined(HAVE_DECL_READV) && HAVE_DECL_READV == 0) || \ 196 (defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0)) 197 # include <sys/types.h> 198 # include <sys/uio.h> 199 200 # if defined(HAVE_DECL_READV) && HAVE_DECL_READV == 0 201 int readv(int, struct iovec *, int); 202 # endif 203 204 # if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0 205 int writev(int, struct iovec *, int); 206 # endif 207 #endif 208 209 /* Home grown routines */ 210 #include "bsd-signal.h" 211 #include "bsd-misc.h" 212 #include "bsd-setres_id.h" 213 #include "bsd-statvfs.h" 214 #include "bsd-waitpid.h" 215 #include "bsd-poll.h" 216 217 #if defined(HAVE_DECL_GETPEEREID) && HAVE_DECL_GETPEEREID == 0 218 int getpeereid(int , uid_t *, gid_t *); 219 #endif 220 221 #ifndef HAVE_ARC4RANDOM 222 uint32_t arc4random(void); 223 #endif /* !HAVE_ARC4RANDOM */ 224 225 #ifndef HAVE_ARC4RANDOM_BUF 226 void arc4random_buf(void *, size_t); 227 #endif 228 229 #ifndef HAVE_ARC4RANDOM_STIR 230 # define arc4random_stir() 231 #endif 232 233 #ifndef HAVE_ARC4RANDOM_UNIFORM 234 uint32_t arc4random_uniform(uint32_t); 235 #endif 236 237 #ifndef HAVE_ASPRINTF 238 int asprintf(char **, const char *, ...); 239 #endif 240 241 #ifndef HAVE_OPENPTY 242 # include <sys/ioctl.h> /* for struct winsize */ 243 int openpty(int *, int *, char *, struct termios *, struct winsize *); 244 #endif /* HAVE_OPENPTY */ 245 246 #ifndef HAVE_SNPRINTF 247 int snprintf(char *, size_t, SNPRINTF_CONST char *, ...); 248 #endif 249 250 #ifndef HAVE_STRTOLL 251 long long strtoll(const char *, char **, int); 252 #endif 253 254 #ifndef HAVE_STRTOUL 255 unsigned long strtoul(const char *, char **, int); 256 #endif 257 258 #ifndef HAVE_STRTOULL 259 unsigned long long strtoull(const char *, char **, int); 260 #endif 261 262 #ifndef HAVE_STRTONUM 263 long long strtonum(const char *, long long, long long, const char **); 264 #endif 265 266 /* multibyte character support */ 267 #ifndef HAVE_MBLEN 268 # define mblen(x, y) (1) 269 #endif 270 271 #ifndef HAVE_WCWIDTH 272 # define wcwidth(x) (((x) >= 0x20 && (x) <= 0x7e) ? 1 : -1) 273 /* force our no-op nl_langinfo and mbtowc */ 274 # undef HAVE_NL_LANGINFO 275 # undef HAVE_MBTOWC 276 # undef HAVE_LANGINFO_H 277 #endif 278 279 #ifndef HAVE_NL_LANGINFO 280 # define nl_langinfo(x) "" 281 #endif 282 283 #ifndef HAVE_MBTOWC 284 int mbtowc(wchar_t *, const char*, size_t); 285 #endif 286 287 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF) 288 # include <stdarg.h> 289 #endif 290 291 /* 292 * Some platforms unconditionally undefine va_copy() so we define VA_COPY() 293 * instead. This is known to be the case on at least some configurations of 294 * AIX with the xlc compiler. 295 */ 296 #ifndef VA_COPY 297 # ifdef HAVE_VA_COPY 298 # define VA_COPY(dest, src) va_copy(dest, src) 299 # else 300 # ifdef HAVE___VA_COPY 301 # define VA_COPY(dest, src) __va_copy(dest, src) 302 # else 303 # define VA_COPY(dest, src) (dest) = (src) 304 # endif 305 # endif 306 #endif 307 308 #ifndef HAVE_VASPRINTF 309 int vasprintf(char **, const char *, va_list); 310 #endif 311 312 #ifndef HAVE_VSNPRINTF 313 int vsnprintf(char *, size_t, const char *, va_list); 314 #endif 315 316 #ifndef HAVE_USER_FROM_UID 317 char *user_from_uid(uid_t, int); 318 #endif 319 320 #ifndef HAVE_GROUP_FROM_GID 321 char *group_from_gid(gid_t, int); 322 #endif 323 324 #ifndef HAVE_TIMINGSAFE_BCMP 325 int timingsafe_bcmp(const void *, const void *, size_t); 326 #endif 327 328 #ifndef HAVE_BCRYPT_PBKDF 329 int bcrypt_pbkdf(const char *, size_t, const uint8_t *, size_t, 330 uint8_t *, size_t, unsigned int); 331 #endif 332 333 #ifndef HAVE_EXPLICIT_BZERO 334 void explicit_bzero(void *p, size_t n); 335 #endif 336 337 #ifndef HAVE_FREEZERO 338 void freezero(void *, size_t); 339 #endif 340 341 #ifndef HAVE_LOCALTIME_R 342 struct tm *localtime_r(const time_t *, struct tm *); 343 #endif 344 345 #ifndef HAVE_TIMEGM 346 time_t timegm(struct tm *); 347 #endif 348 349 char *xcrypt(const char *password, const char *salt); 350 char *shadow_pw(struct passwd *pw); 351 352 /* rfc2553 socket API replacements */ 353 #include "fake-rfc2553.h" 354 355 /* Routines for a single OS platform */ 356 #include "bsd-cygwin_util.h" 357 358 #include "port-aix.h" 359 #include "port-irix.h" 360 #include "port-linux.h" 361 #include "port-solaris.h" 362 #include "port-net.h" 363 #include "port-uw.h" 364 365 /* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */ 366 #if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE) 367 # include <features.h> 368 # if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ) 369 # if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) 370 # include <sys/socket.h> /* Ensure include guard is defined */ 371 # undef FD_SET 372 # undef FD_ISSET 373 # define FD_SET(n, set) kludge_FD_SET(n, set) 374 # define FD_ISSET(n, set) kludge_FD_ISSET(n, set) 375 void kludge_FD_SET(int, fd_set *); 376 int kludge_FD_ISSET(int, fd_set *); 377 # endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */ 378 # endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */ 379 #endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */ 380 381 #endif /* _OPENBSD_COMPAT_H */ 382