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 #ifndef HAVE_GETLINE 69 #include <stdio.h> 70 ssize_t getline(char **, size_t *, FILE *); 71 #endif 72 73 #ifndef HAVE_GETPAGESIZE 74 int getpagesize(void); 75 #endif 76 77 #ifndef HAVE_GETCWD 78 char *getcwd(char *pt, size_t size); 79 #endif 80 81 #if defined(HAVE_DECL_MEMMEM) && HAVE_DECL_MEMMEM == 0 82 void *memmem(const void *, size_t, const void *, size_t); 83 #endif 84 85 #ifndef HAVE_REALLOCARRAY 86 void *reallocarray(void *, size_t, size_t); 87 #endif 88 89 #ifndef HAVE_RECALLOCARRAY 90 void *recallocarray(void *, size_t, size_t, size_t); 91 #endif 92 93 #ifndef HAVE_RRESVPORT_AF 94 int rresvport_af(int *alport, sa_family_t af); 95 #endif 96 97 #ifndef HAVE_STRLCPY 98 size_t strlcpy(char *dst, const char *src, size_t siz); 99 #endif 100 101 #ifndef HAVE_STRLCAT 102 size_t strlcat(char *dst, const char *src, size_t siz); 103 #endif 104 105 #ifndef HAVE_STRCASESTR 106 char *strcasestr(const char *, const char *); 107 #endif 108 109 #ifndef HAVE_STRNLEN 110 size_t strnlen(const char *, size_t); 111 #endif 112 113 #ifndef HAVE_STRNDUP 114 char *strndup(const char *s, size_t n); 115 #endif 116 117 #ifndef HAVE_SETENV 118 int setenv(register const char *name, register const char *value, int rewrite); 119 #endif 120 121 #ifndef HAVE_STRMODE 122 void strmode(int mode, char *p); 123 #endif 124 125 #ifndef HAVE_STRPTIME 126 #include <time.h> 127 char *strptime(const char *buf, const char *fmt, struct tm *tm); 128 #endif 129 130 #if !defined(HAVE_MKDTEMP) 131 int mkstemps(char *path, int slen); 132 int mkstemp(char *path); 133 char *mkdtemp(char *path); 134 #endif 135 136 #ifndef HAVE_DAEMON 137 int daemon(int nochdir, int noclose); 138 #endif 139 140 #ifndef HAVE_DIRNAME 141 char *dirname(const char *path); 142 #endif 143 144 #ifndef HAVE_FMT_SCALED 145 #define FMT_SCALED_STRSIZE 7 146 int fmt_scaled(long long number, char *result); 147 #endif 148 149 #ifndef HAVE_SCAN_SCALED 150 int scan_scaled(char *, long long *); 151 #endif 152 153 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) 154 char *inet_ntoa(struct in_addr in); 155 #endif 156 157 #ifndef HAVE_INET_NTOP 158 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size); 159 #endif 160 161 #ifndef HAVE_INET_ATON 162 int inet_aton(const char *cp, struct in_addr *addr); 163 #endif 164 165 #ifndef HAVE_STRSEP 166 char *strsep(char **stringp, const char *delim); 167 #endif 168 169 #ifndef HAVE_SETPROCTITLE 170 void setproctitle(const char *fmt, ...); 171 void compat_init_setproctitle(int argc, char *argv[]); 172 #endif 173 174 #ifndef HAVE_GETGROUPLIST 175 int getgrouplist(const char *, gid_t, gid_t *, int *); 176 #endif 177 178 #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET) 179 int BSDgetopt(int argc, char * const *argv, const char *opts); 180 #include "openbsd-compat/getopt.h" 181 #endif 182 183 #if ((defined(HAVE_DECL_READV) && HAVE_DECL_READV == 0) || \ 184 (defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0)) 185 # include <sys/types.h> 186 # include <sys/uio.h> 187 188 # if defined(HAVE_DECL_READV) && HAVE_DECL_READV == 0 189 int readv(int, struct iovec *, int); 190 # endif 191 192 # if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0 193 int writev(int, struct iovec *, int); 194 # endif 195 #endif 196 197 /* Home grown routines */ 198 #include "bsd-signal.h" 199 #include "bsd-misc.h" 200 #include "bsd-setres_id.h" 201 #include "bsd-statvfs.h" 202 #include "bsd-waitpid.h" 203 #include "bsd-poll.h" 204 205 #if defined(HAVE_DECL_GETPEEREID) && HAVE_DECL_GETPEEREID == 0 206 int getpeereid(int , uid_t *, gid_t *); 207 #endif 208 209 #ifdef HAVE_ARC4RANDOM 210 # ifndef HAVE_ARC4RANDOM_STIR 211 # define arc4random_stir() 212 # endif 213 #else 214 unsigned int arc4random(void); 215 void arc4random_stir(void); 216 #endif /* !HAVE_ARC4RANDOM */ 217 218 #ifndef HAVE_ARC4RANDOM_BUF 219 void arc4random_buf(void *, size_t); 220 #endif 221 222 #ifndef HAVE_ARC4RANDOM_UNIFORM 223 u_int32_t arc4random_uniform(u_int32_t); 224 #endif 225 226 #ifndef HAVE_ASPRINTF 227 int asprintf(char **, const char *, ...); 228 #endif 229 230 #ifndef HAVE_OPENPTY 231 # include <sys/ioctl.h> /* for struct winsize */ 232 int openpty(int *, int *, char *, struct termios *, struct winsize *); 233 #endif /* HAVE_OPENPTY */ 234 235 #ifndef HAVE_SNPRINTF 236 int snprintf(char *, size_t, SNPRINTF_CONST char *, ...); 237 #endif 238 239 #ifndef HAVE_STRTOLL 240 long long strtoll(const char *, char **, int); 241 #endif 242 243 #ifndef HAVE_STRTOUL 244 unsigned long strtoul(const char *, char **, int); 245 #endif 246 247 #ifndef HAVE_STRTOULL 248 unsigned long long strtoull(const char *, char **, int); 249 #endif 250 251 #ifndef HAVE_STRTONUM 252 long long strtonum(const char *, long long, long long, const char **); 253 #endif 254 255 /* multibyte character support */ 256 #ifndef HAVE_MBLEN 257 # define mblen(x, y) (1) 258 #endif 259 260 #ifndef HAVE_WCWIDTH 261 # define wcwidth(x) (((x) >= 0x20 && (x) <= 0x7e) ? 1 : -1) 262 /* force our no-op nl_langinfo and mbtowc */ 263 # undef HAVE_NL_LANGINFO 264 # undef HAVE_MBTOWC 265 # undef HAVE_LANGINFO_H 266 #endif 267 268 #ifndef HAVE_NL_LANGINFO 269 # define nl_langinfo(x) "" 270 #endif 271 272 #ifndef HAVE_MBTOWC 273 int mbtowc(wchar_t *, const char*, size_t); 274 #endif 275 276 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF) 277 # include <stdarg.h> 278 #endif 279 280 /* 281 * Some platforms unconditionally undefine va_copy() so we define VA_COPY() 282 * instead. This is known to be the case on at least some configurations of 283 * AIX with the xlc compiler. 284 */ 285 #ifndef VA_COPY 286 # ifdef HAVE_VA_COPY 287 # define VA_COPY(dest, src) va_copy(dest, src) 288 # else 289 # ifdef HAVE___VA_COPY 290 # define VA_COPY(dest, src) __va_copy(dest, src) 291 # else 292 # define VA_COPY(dest, src) (dest) = (src) 293 # endif 294 # endif 295 #endif 296 297 #ifndef HAVE_VASPRINTF 298 int vasprintf(char **, const char *, va_list); 299 #endif 300 301 #ifndef HAVE_VSNPRINTF 302 int vsnprintf(char *, size_t, const char *, va_list); 303 #endif 304 305 #ifndef HAVE_USER_FROM_UID 306 char *user_from_uid(uid_t, int); 307 #endif 308 309 #ifndef HAVE_GROUP_FROM_GID 310 char *group_from_gid(gid_t, int); 311 #endif 312 313 #ifndef HAVE_TIMINGSAFE_BCMP 314 int timingsafe_bcmp(const void *, const void *, size_t); 315 #endif 316 317 #ifndef HAVE_BCRYPT_PBKDF 318 int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t, 319 u_int8_t *, size_t, unsigned int); 320 #endif 321 322 #ifndef HAVE_EXPLICIT_BZERO 323 void explicit_bzero(void *p, size_t n); 324 #endif 325 326 #ifndef HAVE_FREEZERO 327 void freezero(void *, size_t); 328 #endif 329 330 #ifndef HAVE_LOCALTIME_R 331 struct tm *localtime_r(const time_t *, struct tm *); 332 #endif 333 334 char *xcrypt(const char *password, const char *salt); 335 char *shadow_pw(struct passwd *pw); 336 337 /* rfc2553 socket API replacements */ 338 #include "fake-rfc2553.h" 339 340 /* Routines for a single OS platform */ 341 #include "bsd-cygwin_util.h" 342 343 #include "port-aix.h" 344 #include "port-irix.h" 345 #include "port-linux.h" 346 #include "port-solaris.h" 347 #include "port-net.h" 348 #include "port-uw.h" 349 350 /* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */ 351 #if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE) 352 # include <features.h> 353 # if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ) 354 # if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) 355 # include <sys/socket.h> /* Ensure include guard is defined */ 356 # undef FD_SET 357 # undef FD_ISSET 358 # define FD_SET(n, set) kludge_FD_SET(n, set) 359 # define FD_ISSET(n, set) kludge_FD_ISSET(n, set) 360 void kludge_FD_SET(int, fd_set *); 361 int kludge_FD_ISSET(int, fd_set *); 362 # endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */ 363 # endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */ 364 #endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */ 365 366 #endif /* _OPENBSD_COMPAT_H */ 367