openbsd-compat.h revision 294464
1294328Sdes/* $Id: openbsd-compat.h,v 1.62 2014/09/30 23:43:08 djm Exp $ */ 298937Sdes 3124208Sdes/* 4124208Sdes * Copyright (c) 1999-2003 Damien Miller. All rights reserved. 5124208Sdes * Copyright (c) 2003 Ben Lindstrom. All rights reserved. 6124208Sdes * Copyright (c) 2002 Tim Rice. All rights reserved. 7124208Sdes * 8124208Sdes * Redistribution and use in source and binary forms, with or without 9124208Sdes * modification, are permitted provided that the following conditions 10124208Sdes * are met: 11124208Sdes * 1. Redistributions of source code must retain the above copyright 12124208Sdes * notice, this list of conditions and the following disclaimer. 13124208Sdes * 2. Redistributions in binary form must reproduce the above copyright 14124208Sdes * notice, this list of conditions and the following disclaimer in the 15124208Sdes * documentation and/or other materials provided with the distribution. 16124208Sdes * 17124208Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18124208Sdes * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19124208Sdes * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20124208Sdes * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21124208Sdes * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22124208Sdes * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23124208Sdes * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24124208Sdes * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25124208Sdes * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26124208Sdes * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27124208Sdes */ 2898937Sdes 29124208Sdes#ifndef _OPENBSD_COMPAT_H 30124208Sdes#define _OPENBSD_COMPAT_H 3198937Sdes 32124208Sdes#include "includes.h" 33124208Sdes 34162852Sdes#include <sys/types.h> 35162852Sdes#include <pwd.h> 36162852Sdes 37162852Sdes#include <sys/socket.h> 38162852Sdes 3998937Sdes/* OpenBSD function replacements */ 4098937Sdes#include "base64.h" 4198937Sdes#include "sigact.h" 4298937Sdes#include "glob.h" 4398937Sdes#include "readpassphrase.h" 44113908Sdes#include "vis.h" 45124208Sdes#include "getrrsetbyname.h" 46294332Sdes#include "sha1.h" 47162852Sdes#include "sha2.h" 48294332Sdes#include "rmd160.h" 49294332Sdes#include "md5.h" 50261320Sdes#include "blf.h" 5198937Sdes 52124208Sdes#ifndef HAVE_BASENAME 53124208Sdeschar *basename(const char *path); 54124208Sdes#endif 55124208Sdes 56124208Sdes#ifndef HAVE_BINDRESVPORT_SA 57124208Sdesint bindresvport_sa(int sd, struct sockaddr *sa); 58124208Sdes#endif 59124208Sdes 60137015Sdes#ifndef HAVE_CLOSEFROM 61137015Sdesvoid closefrom(int); 62137015Sdes#endif 63137015Sdes 64124208Sdes#ifndef HAVE_GETCWD 65124208Sdeschar *getcwd(char *pt, size_t size); 66124208Sdes#endif 67124208Sdes 68294332Sdes#ifndef HAVE_REALLOCARRAY 69294332Sdesvoid *reallocarray(void *, size_t, size_t); 70294332Sdes#endif 71294332Sdes 72124208Sdes#if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH) 73294464Sdes/* 74294464Sdes * glibc's FORTIFY_SOURCE can redefine this and prevent us picking up the 75294464Sdes * compat version. 76294464Sdes */ 77294464Sdes# ifdef BROKEN_REALPATH 78294464Sdes# define realpath(x, y) _ssh_compat_realpath(x, y) 79294464Sdes# endif 80294464Sdes 81124208Sdeschar *realpath(const char *path, char *resolved); 82294464Sdes#endif 83124208Sdes 84124208Sdes#ifndef HAVE_RRESVPORT_AF 85124208Sdesint rresvport_af(int *alport, sa_family_t af); 86124208Sdes#endif 87124208Sdes 88124208Sdes#ifndef HAVE_STRLCPY 89124208Sdes/* #include <sys/types.h> XXX Still needed? */ 90124208Sdessize_t strlcpy(char *dst, const char *src, size_t siz); 91124208Sdes#endif 92124208Sdes 93124208Sdes#ifndef HAVE_STRLCAT 94124208Sdes/* #include <sys/types.h> XXX Still needed? */ 95124208Sdessize_t strlcat(char *dst, const char *src, size_t siz); 96124208Sdes#endif 97124208Sdes 98124208Sdes#ifndef HAVE_SETENV 99124208Sdesint setenv(register const char *name, register const char *value, int rewrite); 100124208Sdes#endif 101124208Sdes 102124208Sdes#ifndef HAVE_STRMODE 103124208Sdesvoid strmode(int mode, char *p); 104124208Sdes#endif 105124208Sdes 106215116Sdes#ifndef HAVE_STRPTIME 107215116Sdes#include <time.h> 108215116Sdeschar *strptime(const char *buf, const char *fmt, struct tm *tm); 109215116Sdes#endif 110215116Sdes 111124208Sdes#if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) 112124208Sdesint mkstemps(char *path, int slen); 113124208Sdesint mkstemp(char *path); 114124208Sdeschar *mkdtemp(char *path); 115124208Sdes#endif 116124208Sdes 117124208Sdes#ifndef HAVE_DAEMON 118124208Sdesint daemon(int nochdir, int noclose); 119124208Sdes#endif 120124208Sdes 121124208Sdes#ifndef HAVE_DIRNAME 122124208Sdeschar *dirname(const char *path); 123124208Sdes#endif 124124208Sdes 125181111Sdes#ifndef HAVE_FMT_SCALED 126181111Sdes#define FMT_SCALED_STRSIZE 7 127181111Sdesint fmt_scaled(long long number, char *result); 128181111Sdes#endif 129181111Sdes 130255767Sdes#ifndef HAVE_SCAN_SCALED 131255767Sdesint scan_scaled(char *, long long *); 132255767Sdes#endif 133255767Sdes 134124208Sdes#if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) 135124208Sdeschar *inet_ntoa(struct in_addr in); 136124208Sdes#endif 137124208Sdes 138124208Sdes#ifndef HAVE_INET_NTOP 139240075Sdesconst char *inet_ntop(int af, const void *src, char *dst, socklen_t size); 140124208Sdes#endif 141124208Sdes 142124208Sdes#ifndef HAVE_INET_ATON 143124208Sdesint inet_aton(const char *cp, struct in_addr *addr); 144124208Sdes#endif 145124208Sdes 146124208Sdes#ifndef HAVE_STRSEP 147124208Sdeschar *strsep(char **stringp, const char *delim); 148124208Sdes#endif 149124208Sdes 150124208Sdes#ifndef HAVE_SETPROCTITLE 151124208Sdesvoid setproctitle(const char *fmt, ...); 152124208Sdesvoid compat_init_setproctitle(int argc, char *argv[]); 153124208Sdes#endif 154124208Sdes 155124208Sdes#ifndef HAVE_GETGROUPLIST 156124208Sdes/* #include <grp.h> XXXX Still needed ? */ 157124208Sdesint getgrouplist(const char *, gid_t, gid_t *, int *); 158124208Sdes#endif 159124208Sdes 160124208Sdes#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET) 161124208Sdesint BSDgetopt(int argc, char * const *argv, const char *opts); 162255767Sdes#include "openbsd-compat/getopt.h" 163124208Sdes#endif 164124208Sdes 165162852Sdes#if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0 166162852Sdes# include <sys/types.h> 167162852Sdes# include <sys/uio.h> 168162852Sdesint writev(int, struct iovec *, int); 169162852Sdes#endif 170124208Sdes 17198937Sdes/* Home grown routines */ 17298937Sdes#include "bsd-misc.h" 173248619Sdes#include "bsd-setres_id.h" 174181111Sdes#include "bsd-statvfs.h" 17598937Sdes#include "bsd-waitpid.h" 176181111Sdes#include "bsd-poll.h" 17798937Sdes 178124208Sdes#ifndef HAVE_GETPEEREID 179124208Sdesint getpeereid(int , uid_t *, gid_t *); 180261320Sdes#endif 181124208Sdes 182261320Sdes#ifdef HAVE_ARC4RANDOM 183261320Sdes# ifndef HAVE_ARC4RANDOM_STIR 184261320Sdes# define arc4random_stir() 185261320Sdes# endif 186261320Sdes#else 187124208Sdesunsigned int arc4random(void); 188124208Sdesvoid arc4random_stir(void); 189124208Sdes#endif /* !HAVE_ARC4RANDOM */ 190124208Sdes 191181111Sdes#ifndef HAVE_ARC4RANDOM_BUF 192181111Sdesvoid arc4random_buf(void *, size_t); 193181111Sdes#endif 194181111Sdes 195181111Sdes#ifndef HAVE_ARC4RANDOM_UNIFORM 196181111Sdesu_int32_t arc4random_uniform(u_int32_t); 197181111Sdes#endif 198181111Sdes 199157016Sdes#ifndef HAVE_ASPRINTF 200157016Sdesint asprintf(char **, const char *, ...); 201157016Sdes#endif 202157016Sdes 203126274Sdes#ifndef HAVE_OPENPTY 204162852Sdes# include <sys/ioctl.h> /* for struct winsize */ 205126274Sdesint openpty(int *, int *, char *, struct termios *, struct winsize *); 206126274Sdes#endif /* HAVE_OPENPTY */ 207124208Sdes 208124208Sdes/* #include <sys/types.h> XXX needed? For size_t */ 209124208Sdes 210124208Sdes#ifndef HAVE_SNPRINTF 211162852Sdesint snprintf(char *, size_t, SNPRINTF_CONST char *, ...); 212124208Sdes#endif 213124208Sdes 214157016Sdes#ifndef HAVE_STRTOLL 215157016Sdeslong long strtoll(const char *, char **, int); 216157016Sdes#endif 217157016Sdes 218248619Sdes#ifndef HAVE_STRTOUL 219248619Sdesunsigned long strtoul(const char *, char **, int); 220248619Sdes#endif 221248619Sdes 222248619Sdes#ifndef HAVE_STRTOULL 223248619Sdesunsigned long long strtoull(const char *, char **, int); 224248619Sdes#endif 225248619Sdes 226149749Sdes#ifndef HAVE_STRTONUM 227149749Sdeslong long strtonum(const char *, long long, long long, const char **); 228149749Sdes#endif 229149749Sdes 230255767Sdes/* multibyte character support */ 231255767Sdes#ifndef HAVE_MBLEN 232294336Sdes# define mblen(x, y) (1) 233255767Sdes#endif 234255767Sdes 235162852Sdes#if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF) 236162852Sdes# include <stdarg.h> 237162852Sdes#endif 238162852Sdes 239157016Sdes#ifndef HAVE_VASPRINTF 240157016Sdesint vasprintf(char **, const char *, va_list); 241157016Sdes#endif 242157016Sdes 243124208Sdes#ifndef HAVE_VSNPRINTF 244124208Sdesint vsnprintf(char *, size_t, const char *, va_list); 245124208Sdes#endif 246124208Sdes 247204917Sdes#ifndef HAVE_USER_FROM_UID 248204917Sdeschar *user_from_uid(uid_t, int); 249204917Sdes#endif 250204917Sdes 251204917Sdes#ifndef HAVE_GROUP_FROM_GID 252204917Sdeschar *group_from_gid(gid_t, int); 253204917Sdes#endif 254204917Sdes 255221420Sdes#ifndef HAVE_TIMINGSAFE_BCMP 256221420Sdesint timingsafe_bcmp(const void *, const void *, size_t); 257221420Sdes#endif 258221420Sdes 259261320Sdes#ifndef HAVE_BCRYPT_PBKDF 260261320Sdesint bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t, 261261320Sdes u_int8_t *, size_t, unsigned int); 262261320Sdes#endif 263261320Sdes 264263712Sdes#ifndef HAVE_EXPLICIT_BZERO 265263712Sdesvoid explicit_bzero(void *p, size_t n); 266263712Sdes#endif 267263712Sdes 268124208Sdesvoid *xmmap(size_t size); 269124208Sdeschar *xcrypt(const char *password, const char *salt); 270124208Sdeschar *shadow_pw(struct passwd *pw); 271124208Sdes 27298937Sdes/* rfc2553 socket API replacements */ 273124208Sdes#include "fake-rfc2553.h" 27498937Sdes 27598937Sdes/* Routines for a single OS platform */ 27698937Sdes#include "bsd-cray.h" 277124208Sdes#include "bsd-cygwin_util.h" 278162852Sdes 279162852Sdes#include "port-aix.h" 28098937Sdes#include "port-irix.h" 281162852Sdes#include "port-linux.h" 282162852Sdes#include "port-solaris.h" 283162852Sdes#include "port-tun.h" 284149749Sdes#include "port-uw.h" 28598937Sdes 286294328Sdes/* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */ 287294328Sdes#if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE) 288294328Sdes# include <features.h> 289294328Sdes# if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ) 290294328Sdes# if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) 291294328Sdes# include <sys/socket.h> /* Ensure include guard is defined */ 292294328Sdes# undef FD_SET 293294328Sdes# undef FD_ISSET 294294328Sdes# define FD_SET(n, set) kludge_FD_SET(n, set) 295294328Sdes# define FD_ISSET(n, set) kludge_FD_ISSET(n, set) 296294328Sdesvoid kludge_FD_SET(int, fd_set *); 297294328Sdesint kludge_FD_ISSET(int, fd_set *); 298294328Sdes# endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */ 299294328Sdes# endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */ 300294328Sdes#endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */ 301294328Sdes 302124208Sdes#endif /* _OPENBSD_COMPAT_H */ 303