openbsd-compat.h revision 323121
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 "readpassphrase.h" 43#include "vis.h" 44#include "getrrsetbyname.h" 45#include "sha1.h" 46#include "sha2.h" 47#include "rmd160.h" 48#include "md5.h" 49#include "blf.h" 50 51#ifndef HAVE_BASENAME 52char *basename(const char *path); 53#endif 54 55#ifndef HAVE_BINDRESVPORT_SA 56int bindresvport_sa(int sd, struct sockaddr *sa); 57#endif 58 59#ifndef HAVE_CLOSEFROM 60void closefrom(int); 61#endif 62 63#ifndef HAVE_GETCWD 64char *getcwd(char *pt, size_t size); 65#endif 66 67#ifndef HAVE_REALLOCARRAY 68void *reallocarray(void *, size_t, size_t); 69#endif 70 71#if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH) 72/* 73 * glibc's FORTIFY_SOURCE can redefine this and prevent us picking up the 74 * compat version. 75 */ 76# ifdef BROKEN_REALPATH 77# define realpath(x, y) _ssh_compat_realpath(x, y) 78# endif 79 80char *realpath(const char *path, char *resolved); 81#endif 82 83#ifndef HAVE_RRESVPORT_AF 84int rresvport_af(int *alport, sa_family_t af); 85#endif 86 87#ifndef HAVE_STRLCPY 88/* #include <sys/types.h> XXX Still needed? */ 89size_t strlcpy(char *dst, const char *src, size_t siz); 90#endif 91 92#ifndef HAVE_STRLCAT 93/* #include <sys/types.h> XXX Still needed? */ 94size_t strlcat(char *dst, const char *src, size_t siz); 95#endif 96 97#ifndef HAVE_SETENV 98int setenv(register const char *name, register const char *value, int rewrite); 99#endif 100 101#ifndef HAVE_STRMODE 102void strmode(int mode, char *p); 103#endif 104 105#ifndef HAVE_STRPTIME 106#include <time.h> 107char *strptime(const char *buf, const char *fmt, struct tm *tm); 108#endif 109 110#if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) 111int mkstemps(char *path, int slen); 112int mkstemp(char *path); 113char *mkdtemp(char *path); 114#endif 115 116#ifndef HAVE_DAEMON 117int daemon(int nochdir, int noclose); 118#endif 119 120#ifndef HAVE_DIRNAME 121char *dirname(const char *path); 122#endif 123 124#ifndef HAVE_FMT_SCALED 125#define FMT_SCALED_STRSIZE 7 126int fmt_scaled(long long number, char *result); 127#endif 128 129#ifndef HAVE_SCAN_SCALED 130int scan_scaled(char *, long long *); 131#endif 132 133#if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) 134char *inet_ntoa(struct in_addr in); 135#endif 136 137#ifndef HAVE_INET_NTOP 138const char *inet_ntop(int af, const void *src, char *dst, socklen_t size); 139#endif 140 141#ifndef HAVE_INET_ATON 142int inet_aton(const char *cp, struct in_addr *addr); 143#endif 144 145#ifndef HAVE_STRSEP 146char *strsep(char **stringp, const char *delim); 147#endif 148 149#ifndef HAVE_SETPROCTITLE 150void setproctitle(const char *fmt, ...); 151void compat_init_setproctitle(int argc, char *argv[]); 152#endif 153 154#ifndef HAVE_GETGROUPLIST 155/* #include <grp.h> XXXX Still needed ? */ 156int getgrouplist(const char *, gid_t, gid_t *, int *); 157#endif 158 159#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET) 160int BSDgetopt(int argc, char * const *argv, const char *opts); 161#include "openbsd-compat/getopt.h" 162#endif 163 164#if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0 165# include <sys/types.h> 166# include <sys/uio.h> 167int writev(int, struct iovec *, int); 168#endif 169 170/* Home grown routines */ 171#include "bsd-misc.h" 172#include "bsd-setres_id.h" 173#include "bsd-statvfs.h" 174#include "bsd-waitpid.h" 175#include "bsd-poll.h" 176 177#ifndef HAVE_GETPEEREID 178int getpeereid(int , uid_t *, gid_t *); 179#endif 180 181#ifdef HAVE_ARC4RANDOM 182# ifndef HAVE_ARC4RANDOM_STIR 183# define arc4random_stir() 184# endif 185#else 186unsigned int arc4random(void); 187void arc4random_stir(void); 188#endif /* !HAVE_ARC4RANDOM */ 189 190#ifndef HAVE_ARC4RANDOM_BUF 191void arc4random_buf(void *, size_t); 192#endif 193 194#ifndef HAVE_ARC4RANDOM_UNIFORM 195u_int32_t arc4random_uniform(u_int32_t); 196#endif 197 198#ifndef HAVE_ASPRINTF 199int asprintf(char **, const char *, ...); 200#endif 201 202#ifndef HAVE_OPENPTY 203# include <sys/ioctl.h> /* for struct winsize */ 204int openpty(int *, int *, char *, struct termios *, struct winsize *); 205#endif /* HAVE_OPENPTY */ 206 207/* #include <sys/types.h> XXX needed? For size_t */ 208 209#ifndef HAVE_SNPRINTF 210int snprintf(char *, size_t, SNPRINTF_CONST char *, ...); 211#endif 212 213#ifndef HAVE_STRTOLL 214long long strtoll(const char *, char **, int); 215#endif 216 217#ifndef HAVE_STRTOUL 218unsigned long strtoul(const char *, char **, int); 219#endif 220 221#ifndef HAVE_STRTOULL 222unsigned long long strtoull(const char *, char **, int); 223#endif 224 225#ifndef HAVE_STRTONUM 226long long strtonum(const char *, long long, long long, const char **); 227#endif 228 229/* multibyte character support */ 230#ifndef HAVE_MBLEN 231# define mblen(x, y) (1) 232#endif 233 234#if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF) 235# include <stdarg.h> 236#endif 237 238#ifndef HAVE_VASPRINTF 239int vasprintf(char **, const char *, va_list); 240#endif 241 242#ifndef HAVE_VSNPRINTF 243int vsnprintf(char *, size_t, const char *, va_list); 244#endif 245 246#ifndef HAVE_USER_FROM_UID 247char *user_from_uid(uid_t, int); 248#endif 249 250#ifndef HAVE_GROUP_FROM_GID 251char *group_from_gid(gid_t, int); 252#endif 253 254#ifndef HAVE_TIMINGSAFE_BCMP 255int timingsafe_bcmp(const void *, const void *, size_t); 256#endif 257 258#ifndef HAVE_BCRYPT_PBKDF 259int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t, 260 u_int8_t *, size_t, unsigned int); 261#endif 262 263#ifndef HAVE_EXPLICIT_BZERO 264void explicit_bzero(void *p, size_t n); 265#endif 266 267void *xmmap(size_t size); 268char *xcrypt(const char *password, const char *salt); 269char *shadow_pw(struct passwd *pw); 270 271/* rfc2553 socket API replacements */ 272#include "fake-rfc2553.h" 273 274/* Routines for a single OS platform */ 275#include "bsd-cray.h" 276#include "bsd-cygwin_util.h" 277 278#include "port-aix.h" 279#include "port-irix.h" 280#include "port-linux.h" 281#include "port-solaris.h" 282#include "port-tun.h" 283#include "port-uw.h" 284 285/* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */ 286#if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE) 287# include <features.h> 288# if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ) 289# if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) 290# include <sys/socket.h> /* Ensure include guard is defined */ 291# undef FD_SET 292# undef FD_ISSET 293# define FD_SET(n, set) kludge_FD_SET(n, set) 294# define FD_ISSET(n, set) kludge_FD_ISSET(n, set) 295void kludge_FD_SET(int, fd_set *); 296int kludge_FD_ISSET(int, fd_set *); 297# endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */ 298# endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */ 299#endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */ 300 301#endif /* _OPENBSD_COMPAT_H */ 302