openbsd-compat.h revision 295367
1251881Speter/* $Id: openbsd-compat.h,v 1.62 2014/09/30 23:43:08 djm Exp $ */ 2251881Speter 3251881Speter/* 4251881Speter * Copyright (c) 1999-2003 Damien Miller. All rights reserved. 5251881Speter * Copyright (c) 2003 Ben Lindstrom. All rights reserved. 6251881Speter * Copyright (c) 2002 Tim Rice. All rights reserved. 7251881Speter * 8251881Speter * Redistribution and use in source and binary forms, with or without 9251881Speter * modification, are permitted provided that the following conditions 10251881Speter * are met: 11251881Speter * 1. Redistributions of source code must retain the above copyright 12251881Speter * notice, this list of conditions and the following disclaimer. 13251881Speter * 2. Redistributions in binary form must reproduce the above copyright 14251881Speter * notice, this list of conditions and the following disclaimer in the 15251881Speter * documentation and/or other materials provided with the distribution. 16251881Speter * 17251881Speter * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18251881Speter * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19251881Speter * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20251881Speter * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21251881Speter * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22251881Speter * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23251881Speter * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24251881Speter * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25251881Speter * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26251881Speter * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27251881Speter */ 28251881Speter 29251881Speter#ifndef _OPENBSD_COMPAT_H 30251881Speter#define _OPENBSD_COMPAT_H 31251881Speter 32251881Speter#include "includes.h" 33251881Speter 34251881Speter#include <sys/types.h> 35251881Speter#include <pwd.h> 36251881Speter 37251881Speter#include <sys/socket.h> 38251881Speter 39251881Speter/* OpenBSD function replacements */ 40251881Speter#include "base64.h" 41251881Speter#include "sigact.h" 42251881Speter#include "glob.h" 43251881Speter#include "readpassphrase.h" 44251881Speter#include "vis.h" 45251881Speter#include "getrrsetbyname.h" 46251881Speter#include "sha1.h" 47251881Speter#include "sha2.h" 48251881Speter#include "rmd160.h" 49251881Speter#include "md5.h" 50251881Speter#include "blf.h" 51251881Speter 52251881Speter#ifndef HAVE_BASENAME 53251881Speterchar *basename(const char *path); 54251881Speter#endif 55251881Speter 56251881Speter#ifndef HAVE_BINDRESVPORT_SA 57251881Speterint bindresvport_sa(int sd, struct sockaddr *sa); 58251881Speter#endif 59251881Speter 60251881Speter#ifndef HAVE_CLOSEFROM 61251881Spetervoid closefrom(int); 62251881Speter#endif 63251881Speter 64251881Speter#ifndef HAVE_GETCWD 65251881Speterchar *getcwd(char *pt, size_t size); 66251881Speter#endif 67251881Speter 68251881Speter#ifndef HAVE_REALLOCARRAY 69251881Spetervoid *reallocarray(void *, size_t, size_t); 70251881Speter#endif 71251881Speter 72251881Speter#if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH) 73251881Speter/* 74251881Speter * glibc's FORTIFY_SOURCE can redefine this and prevent us picking up the 75251881Speter * compat version. 76251881Speter */ 77251881Speter# ifdef BROKEN_REALPATH 78251881Speter# define realpath(x, y) _ssh_compat_realpath(x, y) 79251881Speter# endif 80251881Speter 81251881Speterchar *realpath(const char *path, char *resolved); 82251881Speter#endif 83251881Speter 84251881Speter#ifndef HAVE_RRESVPORT_AF 85251881Speterint rresvport_af(int *alport, sa_family_t af); 86251881Speter#endif 87251881Speter 88251881Speter#ifndef HAVE_STRLCPY 89251881Speter/* #include <sys/types.h> XXX Still needed? */ 90251881Spetersize_t strlcpy(char *dst, const char *src, size_t siz); 91251881Speter#endif 92251881Speter 93251881Speter#ifndef HAVE_STRLCAT 94251881Speter/* #include <sys/types.h> XXX Still needed? */ 95251881Spetersize_t strlcat(char *dst, const char *src, size_t siz); 96251881Speter#endif 97251881Speter 98251881Speter#ifndef HAVE_SETENV 99251881Speterint setenv(register const char *name, register const char *value, int rewrite); 100251881Speter#endif 101251881Speter 102251881Speter#ifndef HAVE_STRMODE 103251881Spetervoid strmode(int mode, char *p); 104251881Speter#endif 105251881Speter 106251881Speter#ifndef HAVE_STRPTIME 107251881Speter#include <time.h> 108251881Speterchar *strptime(const char *buf, const char *fmt, struct tm *tm); 109251881Speter#endif 110251881Speter 111251881Speter#if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) 112251881Speterint mkstemps(char *path, int slen); 113251881Speterint mkstemp(char *path); 114251881Speterchar *mkdtemp(char *path); 115251881Speter#endif 116251881Speter 117251881Speter#ifndef HAVE_DAEMON 118251881Speterint daemon(int nochdir, int noclose); 119251881Speter#endif 120251881Speter 121251881Speter#ifndef HAVE_DIRNAME 122251881Speterchar *dirname(const char *path); 123251881Speter#endif 124251881Speter 125251881Speter#ifndef HAVE_FMT_SCALED 126251881Speter#define FMT_SCALED_STRSIZE 7 127251881Speterint fmt_scaled(long long number, char *result); 128251881Speter#endif 129251881Speter 130251881Speter#ifndef HAVE_SCAN_SCALED 131251881Speterint scan_scaled(char *, long long *); 132251881Speter#endif 133251881Speter 134251881Speter#if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) 135251881Speterchar *inet_ntoa(struct in_addr in); 136251881Speter#endif 137251881Speter 138251881Speter#ifndef HAVE_INET_NTOP 139251881Speterconst char *inet_ntop(int af, const void *src, char *dst, socklen_t size); 140251881Speter#endif 141251881Speter 142251881Speter#ifndef HAVE_INET_ATON 143251881Speterint inet_aton(const char *cp, struct in_addr *addr); 144251881Speter#endif 145251881Speter 146251881Speter#ifndef HAVE_STRSEP 147251881Speterchar *strsep(char **stringp, const char *delim); 148251881Speter#endif 149251881Speter 150251881Speter#ifndef HAVE_SETPROCTITLE 151251881Spetervoid setproctitle(const char *fmt, ...); 152251881Spetervoid compat_init_setproctitle(int argc, char *argv[]); 153251881Speter#endif 154251881Speter 155251881Speter#ifndef HAVE_GETGROUPLIST 156251881Speter/* #include <grp.h> XXXX Still needed ? */ 157251881Speterint getgrouplist(const char *, gid_t, gid_t *, int *); 158251881Speter#endif 159251881Speter 160251881Speter#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET) 161251881Speterint BSDgetopt(int argc, char * const *argv, const char *opts); 162251881Speter#include "openbsd-compat/getopt.h" 163251881Speter#endif 164251881Speter 165251881Speter#if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0 166251881Speter# include <sys/types.h> 167251881Speter# include <sys/uio.h> 168251881Speterint writev(int, struct iovec *, int); 169251881Speter#endif 170251881Speter 171251881Speter/* Home grown routines */ 172251881Speter#include "bsd-misc.h" 173251881Speter#include "bsd-setres_id.h" 174251881Speter#include "bsd-statvfs.h" 175251881Speter#include "bsd-waitpid.h" 176251881Speter#include "bsd-poll.h" 177251881Speter 178251881Speter#ifndef HAVE_GETPEEREID 179251881Speterint getpeereid(int , uid_t *, gid_t *); 180251881Speter#endif 181251881Speter 182251881Speter#ifdef HAVE_ARC4RANDOM 183251881Speter# ifndef HAVE_ARC4RANDOM_STIR 184251881Speter# define arc4random_stir() 185251881Speter# endif 186251881Speter#else 187251881Speterunsigned int arc4random(void); 188251881Spetervoid arc4random_stir(void); 189251881Speter#endif /* !HAVE_ARC4RANDOM */ 190251881Speter 191251881Speter#ifndef HAVE_ARC4RANDOM_BUF 192251881Spetervoid arc4random_buf(void *, size_t); 193251881Speter#endif 194251881Speter 195251881Speter#ifndef HAVE_ARC4RANDOM_UNIFORM 196251881Speteru_int32_t arc4random_uniform(u_int32_t); 197251881Speter#endif 198251881Speter 199251881Speter#ifndef HAVE_ASPRINTF 200251881Speterint asprintf(char **, const char *, ...); 201251881Speter#endif 202251881Speter 203251881Speter#ifndef HAVE_OPENPTY 204251881Speter# include <sys/ioctl.h> /* for struct winsize */ 205251881Speterint openpty(int *, int *, char *, struct termios *, struct winsize *); 206251881Speter#endif /* HAVE_OPENPTY */ 207251881Speter 208251881Speter/* #include <sys/types.h> XXX needed? For size_t */ 209251881Speter 210251881Speter#ifndef HAVE_SNPRINTF 211251881Speterint snprintf(char *, size_t, SNPRINTF_CONST char *, ...); 212251881Speter#endif 213251881Speter 214251881Speter#ifndef HAVE_STRTOLL 215251881Speterlong long strtoll(const char *, char **, int); 216251881Speter#endif 217251881Speter 218251881Speter#ifndef HAVE_STRTOUL 219251881Speterunsigned long strtoul(const char *, char **, int); 220251881Speter#endif 221251881Speter 222251881Speter#ifndef HAVE_STRTOULL 223251881Speterunsigned long long strtoull(const char *, char **, int); 224251881Speter#endif 225251881Speter 226251881Speter#ifndef HAVE_STRTONUM 227251881Speterlong long strtonum(const char *, long long, long long, const char **); 228251881Speter#endif 229251881Speter 230251881Speter/* multibyte character support */ 231251881Speter#ifndef HAVE_MBLEN 232251881Speter# define mblen(x, y) (1) 233251881Speter#endif 234251881Speter 235251881Speter#if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF) 236251881Speter# include <stdarg.h> 237251881Speter#endif 238251881Speter 239251881Speter#ifndef HAVE_VASPRINTF 240251881Speterint vasprintf(char **, const char *, va_list); 241251881Speter#endif 242251881Speter 243251881Speter#ifndef HAVE_VSNPRINTF 244251881Speterint vsnprintf(char *, size_t, const char *, va_list); 245251881Speter#endif 246251881Speter 247251881Speter#ifndef HAVE_USER_FROM_UID 248251881Speterchar *user_from_uid(uid_t, int); 249251881Speter#endif 250251881Speter 251251881Speter#ifndef HAVE_GROUP_FROM_GID 252251881Speterchar *group_from_gid(gid_t, int); 253251881Speter#endif 254251881Speter 255251881Speter#ifndef HAVE_TIMINGSAFE_BCMP 256251881Speterint timingsafe_bcmp(const void *, const void *, size_t); 257251881Speter#endif 258251881Speter 259251881Speter#ifndef HAVE_BCRYPT_PBKDF 260251881Speterint bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t, 261251881Speter u_int8_t *, size_t, unsigned int); 262251881Speter#endif 263251881Speter 264251881Speter#ifndef HAVE_EXPLICIT_BZERO 265251881Spetervoid explicit_bzero(void *p, size_t n); 266251881Speter#endif 267251881Speter 268251881Spetervoid *xmmap(size_t size); 269251881Speterchar *xcrypt(const char *password, const char *salt); 270251881Speterchar *shadow_pw(struct passwd *pw); 271251881Speter 272251881Speter/* rfc2553 socket API replacements */ 273251881Speter#include "fake-rfc2553.h" 274251881Speter 275251881Speter/* Routines for a single OS platform */ 276251881Speter#include "bsd-cray.h" 277251881Speter#include "bsd-cygwin_util.h" 278251881Speter 279251881Speter#include "port-aix.h" 280251881Speter#include "port-irix.h" 281251881Speter#include "port-linux.h" 282251881Speter#include "port-solaris.h" 283251881Speter#include "port-tun.h" 284251881Speter#include "port-uw.h" 285251881Speter 286251881Speter/* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */ 287251881Speter#if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE) 288251881Speter# include <features.h> 289251881Speter# if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ) 290251881Speter# if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) 291251881Speter# include <sys/socket.h> /* Ensure include guard is defined */ 292251881Speter# undef FD_SET 293251881Speter# undef FD_ISSET 294251881Speter# define FD_SET(n, set) kludge_FD_SET(n, set) 295251881Speter# define FD_ISSET(n, set) kludge_FD_ISSET(n, set) 296251881Spetervoid kludge_FD_SET(int, fd_set *); 297251881Speterint kludge_FD_ISSET(int, fd_set *); 298251881Speter# endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */ 299251881Speter# endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */ 300251881Speter#endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */ 301251881Speter 302251881Speter#endif /* _OPENBSD_COMPAT_H */ 303251881Speter