openbsd-compat.h revision 323129
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 39323129Sdes#include <stddef.h> /* for wchar_t */ 40323129Sdes 4198937Sdes/* OpenBSD function replacements */ 4298937Sdes#include "base64.h" 4398937Sdes#include "sigact.h" 4498937Sdes#include "readpassphrase.h" 45113908Sdes#include "vis.h" 46124208Sdes#include "getrrsetbyname.h" 47294332Sdes#include "sha1.h" 48162852Sdes#include "sha2.h" 49294332Sdes#include "rmd160.h" 50294332Sdes#include "md5.h" 51261320Sdes#include "blf.h" 5298937Sdes 53124208Sdes#ifndef HAVE_BASENAME 54124208Sdeschar *basename(const char *path); 55124208Sdes#endif 56124208Sdes 57124208Sdes#ifndef HAVE_BINDRESVPORT_SA 58124208Sdesint bindresvport_sa(int sd, struct sockaddr *sa); 59124208Sdes#endif 60124208Sdes 61137015Sdes#ifndef HAVE_CLOSEFROM 62137015Sdesvoid closefrom(int); 63137015Sdes#endif 64137015Sdes 65124208Sdes#ifndef HAVE_GETCWD 66124208Sdeschar *getcwd(char *pt, size_t size); 67124208Sdes#endif 68124208Sdes 69294332Sdes#ifndef HAVE_REALLOCARRAY 70294332Sdesvoid *reallocarray(void *, size_t, size_t); 71294332Sdes#endif 72294332Sdes 73124208Sdes#if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH) 74294464Sdes/* 75294464Sdes * glibc's FORTIFY_SOURCE can redefine this and prevent us picking up the 76294464Sdes * compat version. 77294464Sdes */ 78294464Sdes# ifdef BROKEN_REALPATH 79294464Sdes# define realpath(x, y) _ssh_compat_realpath(x, y) 80294464Sdes# endif 81294464Sdes 82124208Sdeschar *realpath(const char *path, char *resolved); 83294464Sdes#endif 84124208Sdes 85124208Sdes#ifndef HAVE_RRESVPORT_AF 86124208Sdesint rresvport_af(int *alport, sa_family_t af); 87124208Sdes#endif 88124208Sdes 89124208Sdes#ifndef HAVE_STRLCPY 90124208Sdes/* #include <sys/types.h> XXX Still needed? */ 91124208Sdessize_t strlcpy(char *dst, const char *src, size_t siz); 92124208Sdes#endif 93124208Sdes 94124208Sdes#ifndef HAVE_STRLCAT 95124208Sdes/* #include <sys/types.h> XXX Still needed? */ 96124208Sdessize_t strlcat(char *dst, const char *src, size_t siz); 97124208Sdes#endif 98124208Sdes 99124208Sdes#ifndef HAVE_SETENV 100124208Sdesint setenv(register const char *name, register const char *value, int rewrite); 101124208Sdes#endif 102124208Sdes 103124208Sdes#ifndef HAVE_STRMODE 104124208Sdesvoid strmode(int mode, char *p); 105124208Sdes#endif 106124208Sdes 107215116Sdes#ifndef HAVE_STRPTIME 108215116Sdes#include <time.h> 109215116Sdeschar *strptime(const char *buf, const char *fmt, struct tm *tm); 110215116Sdes#endif 111215116Sdes 112124208Sdes#if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) 113124208Sdesint mkstemps(char *path, int slen); 114124208Sdesint mkstemp(char *path); 115124208Sdeschar *mkdtemp(char *path); 116124208Sdes#endif 117124208Sdes 118124208Sdes#ifndef HAVE_DAEMON 119124208Sdesint daemon(int nochdir, int noclose); 120124208Sdes#endif 121124208Sdes 122124208Sdes#ifndef HAVE_DIRNAME 123124208Sdeschar *dirname(const char *path); 124124208Sdes#endif 125124208Sdes 126181111Sdes#ifndef HAVE_FMT_SCALED 127181111Sdes#define FMT_SCALED_STRSIZE 7 128181111Sdesint fmt_scaled(long long number, char *result); 129181111Sdes#endif 130181111Sdes 131255767Sdes#ifndef HAVE_SCAN_SCALED 132255767Sdesint scan_scaled(char *, long long *); 133255767Sdes#endif 134255767Sdes 135124208Sdes#if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) 136124208Sdeschar *inet_ntoa(struct in_addr in); 137124208Sdes#endif 138124208Sdes 139124208Sdes#ifndef HAVE_INET_NTOP 140240075Sdesconst char *inet_ntop(int af, const void *src, char *dst, socklen_t size); 141124208Sdes#endif 142124208Sdes 143124208Sdes#ifndef HAVE_INET_ATON 144124208Sdesint inet_aton(const char *cp, struct in_addr *addr); 145124208Sdes#endif 146124208Sdes 147124208Sdes#ifndef HAVE_STRSEP 148124208Sdeschar *strsep(char **stringp, const char *delim); 149124208Sdes#endif 150124208Sdes 151124208Sdes#ifndef HAVE_SETPROCTITLE 152124208Sdesvoid setproctitle(const char *fmt, ...); 153124208Sdesvoid compat_init_setproctitle(int argc, char *argv[]); 154124208Sdes#endif 155124208Sdes 156124208Sdes#ifndef HAVE_GETGROUPLIST 157124208Sdes/* #include <grp.h> XXXX Still needed ? */ 158124208Sdesint getgrouplist(const char *, gid_t, gid_t *, int *); 159124208Sdes#endif 160124208Sdes 161124208Sdes#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET) 162124208Sdesint BSDgetopt(int argc, char * const *argv, const char *opts); 163255767Sdes#include "openbsd-compat/getopt.h" 164124208Sdes#endif 165124208Sdes 166162852Sdes#if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0 167162852Sdes# include <sys/types.h> 168162852Sdes# include <sys/uio.h> 169162852Sdesint writev(int, struct iovec *, int); 170162852Sdes#endif 171124208Sdes 17298937Sdes/* Home grown routines */ 17398937Sdes#include "bsd-misc.h" 174248619Sdes#include "bsd-setres_id.h" 175181111Sdes#include "bsd-statvfs.h" 17698937Sdes#include "bsd-waitpid.h" 177181111Sdes#include "bsd-poll.h" 17898937Sdes 179124208Sdes#ifndef HAVE_GETPEEREID 180124208Sdesint getpeereid(int , uid_t *, gid_t *); 181261320Sdes#endif 182124208Sdes 183261320Sdes#ifdef HAVE_ARC4RANDOM 184261320Sdes# ifndef HAVE_ARC4RANDOM_STIR 185261320Sdes# define arc4random_stir() 186261320Sdes# endif 187261320Sdes#else 188124208Sdesunsigned int arc4random(void); 189124208Sdesvoid arc4random_stir(void); 190124208Sdes#endif /* !HAVE_ARC4RANDOM */ 191124208Sdes 192181111Sdes#ifndef HAVE_ARC4RANDOM_BUF 193181111Sdesvoid arc4random_buf(void *, size_t); 194181111Sdes#endif 195181111Sdes 196181111Sdes#ifndef HAVE_ARC4RANDOM_UNIFORM 197181111Sdesu_int32_t arc4random_uniform(u_int32_t); 198181111Sdes#endif 199181111Sdes 200157016Sdes#ifndef HAVE_ASPRINTF 201157016Sdesint asprintf(char **, const char *, ...); 202157016Sdes#endif 203157016Sdes 204126274Sdes#ifndef HAVE_OPENPTY 205162852Sdes# include <sys/ioctl.h> /* for struct winsize */ 206126274Sdesint openpty(int *, int *, char *, struct termios *, struct winsize *); 207126274Sdes#endif /* HAVE_OPENPTY */ 208124208Sdes 209124208Sdes/* #include <sys/types.h> XXX needed? For size_t */ 210124208Sdes 211124208Sdes#ifndef HAVE_SNPRINTF 212162852Sdesint snprintf(char *, size_t, SNPRINTF_CONST char *, ...); 213124208Sdes#endif 214124208Sdes 215157016Sdes#ifndef HAVE_STRTOLL 216157016Sdeslong long strtoll(const char *, char **, int); 217157016Sdes#endif 218157016Sdes 219248619Sdes#ifndef HAVE_STRTOUL 220248619Sdesunsigned long strtoul(const char *, char **, int); 221248619Sdes#endif 222248619Sdes 223248619Sdes#ifndef HAVE_STRTOULL 224248619Sdesunsigned long long strtoull(const char *, char **, int); 225248619Sdes#endif 226248619Sdes 227149749Sdes#ifndef HAVE_STRTONUM 228149749Sdeslong long strtonum(const char *, long long, long long, const char **); 229149749Sdes#endif 230149749Sdes 231255767Sdes/* multibyte character support */ 232255767Sdes#ifndef HAVE_MBLEN 233294336Sdes# define mblen(x, y) (1) 234255767Sdes#endif 235255767Sdes 236323129Sdes#ifndef HAVE_WCWIDTH 237323129Sdes# define wcwidth(x) (((x) >= 0x20 && (x) <= 0x7e) ? 1 : -1) 238323129Sdes/* force our no-op nl_langinfo and mbtowc */ 239323129Sdes# undef HAVE_NL_LANGINFO 240323129Sdes# undef HAVE_MBTOWC 241323129Sdes# undef HAVE_LANGINFO_H 242323129Sdes#endif 243323129Sdes 244323129Sdes#ifndef HAVE_NL_LANGINFO 245323129Sdes# define nl_langinfo(x) "" 246323129Sdes#endif 247323129Sdes 248323129Sdes#ifndef HAVE_MBTOWC 249323129Sdesint mbtowc(wchar_t *, const char*, size_t); 250323129Sdes#endif 251323129Sdes 252162852Sdes#if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF) 253162852Sdes# include <stdarg.h> 254162852Sdes#endif 255162852Sdes 256323129Sdes/* 257323129Sdes * Some platforms unconditionally undefine va_copy() so we define VA_COPY() 258323129Sdes * instead. This is known to be the case on at least some configurations of 259323129Sdes * AIX with the xlc compiler. 260323129Sdes */ 261323129Sdes#ifndef VA_COPY 262323129Sdes# ifdef HAVE_VA_COPY 263323129Sdes# define VA_COPY(dest, src) va_copy(dest, src) 264323129Sdes# else 265323129Sdes# ifdef HAVE___VA_COPY 266323129Sdes# define VA_COPY(dest, src) __va_copy(dest, src) 267323129Sdes# else 268323129Sdes# define VA_COPY(dest, src) (dest) = (src) 269323129Sdes# endif 270323129Sdes# endif 271323129Sdes#endif 272323129Sdes 273157016Sdes#ifndef HAVE_VASPRINTF 274157016Sdesint vasprintf(char **, const char *, va_list); 275157016Sdes#endif 276157016Sdes 277124208Sdes#ifndef HAVE_VSNPRINTF 278124208Sdesint vsnprintf(char *, size_t, const char *, va_list); 279124208Sdes#endif 280124208Sdes 281204917Sdes#ifndef HAVE_USER_FROM_UID 282204917Sdeschar *user_from_uid(uid_t, int); 283204917Sdes#endif 284204917Sdes 285204917Sdes#ifndef HAVE_GROUP_FROM_GID 286204917Sdeschar *group_from_gid(gid_t, int); 287204917Sdes#endif 288204917Sdes 289221420Sdes#ifndef HAVE_TIMINGSAFE_BCMP 290221420Sdesint timingsafe_bcmp(const void *, const void *, size_t); 291221420Sdes#endif 292221420Sdes 293261320Sdes#ifndef HAVE_BCRYPT_PBKDF 294261320Sdesint bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t, 295261320Sdes u_int8_t *, size_t, unsigned int); 296261320Sdes#endif 297261320Sdes 298263712Sdes#ifndef HAVE_EXPLICIT_BZERO 299263712Sdesvoid explicit_bzero(void *p, size_t n); 300263712Sdes#endif 301263712Sdes 302124208Sdesvoid *xmmap(size_t size); 303124208Sdeschar *xcrypt(const char *password, const char *salt); 304124208Sdeschar *shadow_pw(struct passwd *pw); 305124208Sdes 30698937Sdes/* rfc2553 socket API replacements */ 307124208Sdes#include "fake-rfc2553.h" 30898937Sdes 30998937Sdes/* Routines for a single OS platform */ 31098937Sdes#include "bsd-cray.h" 311124208Sdes#include "bsd-cygwin_util.h" 312162852Sdes 313162852Sdes#include "port-aix.h" 31498937Sdes#include "port-irix.h" 315162852Sdes#include "port-linux.h" 316162852Sdes#include "port-solaris.h" 317162852Sdes#include "port-tun.h" 318149749Sdes#include "port-uw.h" 31998937Sdes 320294328Sdes/* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */ 321294328Sdes#if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE) 322294328Sdes# include <features.h> 323294328Sdes# if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ) 324294328Sdes# if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) 325294328Sdes# include <sys/socket.h> /* Ensure include guard is defined */ 326294328Sdes# undef FD_SET 327294328Sdes# undef FD_ISSET 328294328Sdes# define FD_SET(n, set) kludge_FD_SET(n, set) 329294328Sdes# define FD_ISSET(n, set) kludge_FD_ISSET(n, set) 330294328Sdesvoid kludge_FD_SET(int, fd_set *); 331294328Sdesint kludge_FD_ISSET(int, fd_set *); 332294328Sdes# endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */ 333294328Sdes# endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */ 334294328Sdes#endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */ 335294328Sdes 336124208Sdes#endif /* _OPENBSD_COMPAT_H */ 337