357 lines
8.7 KiB
C
357 lines
8.7 KiB
C
/*
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* Copyright (c) 1999-2003 Damien Miller. All rights reserved.
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* Copyright (c) 2003 Ben Lindstrom. All rights reserved.
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* Copyright (c) 2002 Tim Rice. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _OPENBSD_COMPAT_H
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#define _OPENBSD_COMPAT_H
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#include "includes.h"
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#include <sys/types.h>
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#include <pwd.h>
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#include <sys/socket.h>
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#include <stddef.h> /* for wchar_t */
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/* OpenBSD function replacements */
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#include "base64.h"
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#include "sigact.h"
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#include "readpassphrase.h"
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#include "vis.h"
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#include "getrrsetbyname.h"
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#include "sha1.h"
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#include "sha2.h"
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#include "rmd160.h"
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#include "md5.h"
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#include "blf.h"
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#ifndef HAVE_BASENAME
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char *basename(const char *path);
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#endif
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#ifndef HAVE_BINDRESVPORT_SA
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int bindresvport_sa(int sd, struct sockaddr *sa);
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#endif
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#ifndef HAVE_CLOSEFROM
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void closefrom(int);
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#endif
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#ifndef HAVE_GETLINE
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ssize_t getline(char **, size_t *, FILE *);
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#endif
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#ifndef HAVE_GETPAGESIZE
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int getpagesize(void);
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#endif
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#ifndef HAVE_GETCWD
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char *getcwd(char *pt, size_t size);
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#endif
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#ifndef HAVE_REALLOCARRAY
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void *reallocarray(void *, size_t, size_t);
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#endif
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#ifndef HAVE_RECALLOCARRAY
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void *recallocarray(void *, size_t, size_t, size_t);
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#endif
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#if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
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/*
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* glibc's FORTIFY_SOURCE can redefine this and prevent us picking up the
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* compat version.
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*/
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# ifdef BROKEN_REALPATH
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# define realpath(x, y) _ssh_compat_realpath(x, y)
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# endif
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char *realpath(const char *path, char *resolved);
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#endif
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#ifndef HAVE_RRESVPORT_AF
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int rresvport_af(int *alport, sa_family_t af);
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#endif
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#ifndef HAVE_STRLCPY
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size_t strlcpy(char *dst, const char *src, size_t siz);
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#endif
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#ifndef HAVE_STRLCAT
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size_t strlcat(char *dst, const char *src, size_t siz);
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#endif
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#ifndef HAVE_STRCASESTR
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char *strcasestr(const char *, const char *);
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#endif
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#ifndef HAVE_SETENV
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int setenv(register const char *name, register const char *value, int rewrite);
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#endif
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#ifndef HAVE_STRMODE
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void strmode(int mode, char *p);
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#endif
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#ifndef HAVE_STRPTIME
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#include <time.h>
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char *strptime(const char *buf, const char *fmt, struct tm *tm);
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#endif
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#if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
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int mkstemps(char *path, int slen);
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int mkstemp(char *path);
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char *mkdtemp(char *path);
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#endif
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#ifndef HAVE_DAEMON
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int daemon(int nochdir, int noclose);
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#endif
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#ifndef HAVE_DIRNAME
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char *dirname(const char *path);
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#endif
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#ifndef HAVE_FMT_SCALED
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#define FMT_SCALED_STRSIZE 7
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int fmt_scaled(long long number, char *result);
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#endif
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#ifndef HAVE_SCAN_SCALED
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int scan_scaled(char *, long long *);
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#endif
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#if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
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char *inet_ntoa(struct in_addr in);
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#endif
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#ifndef HAVE_INET_NTOP
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const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
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#endif
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#ifndef HAVE_INET_ATON
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int inet_aton(const char *cp, struct in_addr *addr);
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#endif
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#ifndef HAVE_STRSEP
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char *strsep(char **stringp, const char *delim);
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#endif
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#ifndef HAVE_SETPROCTITLE
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void setproctitle(const char *fmt, ...);
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void compat_init_setproctitle(int argc, char *argv[]);
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#endif
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#ifndef HAVE_GETGROUPLIST
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int getgrouplist(const char *, gid_t, gid_t *, int *);
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#endif
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#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
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int BSDgetopt(int argc, char * const *argv, const char *opts);
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#include "openbsd-compat/getopt.h"
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#endif
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#if ((defined(HAVE_DECL_READV) && HAVE_DECL_READV == 0) || \
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(defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0))
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# include <sys/types.h>
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# include <sys/uio.h>
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# if defined(HAVE_DECL_READV) && HAVE_DECL_READV == 0
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int readv(int, struct iovec *, int);
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# endif
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# if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0
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int writev(int, struct iovec *, int);
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# endif
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#endif
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/* Home grown routines */
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#include "bsd-misc.h"
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#include "bsd-setres_id.h"
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#include "bsd-signal.h"
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#include "bsd-statvfs.h"
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#include "bsd-waitpid.h"
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#include "bsd-poll.h"
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#ifndef HAVE_GETPEEREID
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int getpeereid(int , uid_t *, gid_t *);
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#endif
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#ifdef HAVE_ARC4RANDOM
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# ifndef HAVE_ARC4RANDOM_STIR
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# define arc4random_stir()
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# endif
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#else
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unsigned int arc4random(void);
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void arc4random_stir(void);
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#endif /* !HAVE_ARC4RANDOM */
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#ifndef HAVE_ARC4RANDOM_BUF
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void arc4random_buf(void *, size_t);
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#endif
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#ifndef HAVE_ARC4RANDOM_UNIFORM
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u_int32_t arc4random_uniform(u_int32_t);
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#endif
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#ifndef HAVE_ASPRINTF
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int asprintf(char **, const char *, ...);
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#endif
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#ifndef HAVE_OPENPTY
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# include <sys/ioctl.h> /* for struct winsize */
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int openpty(int *, int *, char *, struct termios *, struct winsize *);
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#endif /* HAVE_OPENPTY */
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#ifndef HAVE_SNPRINTF
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int snprintf(char *, size_t, SNPRINTF_CONST char *, ...);
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#endif
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#ifndef HAVE_STRTOLL
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long long strtoll(const char *, char **, int);
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#endif
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#ifndef HAVE_STRTOUL
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unsigned long strtoul(const char *, char **, int);
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#endif
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#ifndef HAVE_STRTOULL
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unsigned long long strtoull(const char *, char **, int);
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#endif
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#ifndef HAVE_STRTONUM
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long long strtonum(const char *, long long, long long, const char **);
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#endif
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/* multibyte character support */
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#ifndef HAVE_MBLEN
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# define mblen(x, y) (1)
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#endif
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#ifndef HAVE_WCWIDTH
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# define wcwidth(x) (((x) >= 0x20 && (x) <= 0x7e) ? 1 : -1)
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/* force our no-op nl_langinfo and mbtowc */
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# undef HAVE_NL_LANGINFO
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# undef HAVE_MBTOWC
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# undef HAVE_LANGINFO_H
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#endif
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#ifndef HAVE_NL_LANGINFO
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# define nl_langinfo(x) ""
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#endif
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#ifndef HAVE_MBTOWC
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int mbtowc(wchar_t *, const char*, size_t);
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#endif
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#if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
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# include <stdarg.h>
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#endif
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/*
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* Some platforms unconditionally undefine va_copy() so we define VA_COPY()
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* instead. This is known to be the case on at least some configurations of
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* AIX with the xlc compiler.
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*/
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#ifndef VA_COPY
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# ifdef HAVE_VA_COPY
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# define VA_COPY(dest, src) va_copy(dest, src)
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# else
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# ifdef HAVE___VA_COPY
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# define VA_COPY(dest, src) __va_copy(dest, src)
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# else
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# define VA_COPY(dest, src) (dest) = (src)
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# endif
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# endif
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#endif
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#ifndef HAVE_VASPRINTF
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int vasprintf(char **, const char *, va_list);
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#endif
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#ifndef HAVE_VSNPRINTF
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int vsnprintf(char *, size_t, const char *, va_list);
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#endif
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#ifndef HAVE_USER_FROM_UID
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char *user_from_uid(uid_t, int);
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#endif
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#ifndef HAVE_GROUP_FROM_GID
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char *group_from_gid(gid_t, int);
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#endif
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#ifndef HAVE_TIMINGSAFE_BCMP
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int timingsafe_bcmp(const void *, const void *, size_t);
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#endif
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#ifndef HAVE_BCRYPT_PBKDF
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int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t,
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u_int8_t *, size_t, unsigned int);
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#endif
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#ifndef HAVE_EXPLICIT_BZERO
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void explicit_bzero(void *p, size_t n);
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#endif
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#ifndef HAVE_FREEZERO
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void freezero(void *, size_t);
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#endif
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char *xcrypt(const char *password, const char *salt);
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char *shadow_pw(struct passwd *pw);
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/* rfc2553 socket API replacements */
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#include "fake-rfc2553.h"
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/* Routines for a single OS platform */
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#include "bsd-cygwin_util.h"
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#include "port-aix.h"
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#include "port-irix.h"
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#include "port-linux.h"
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#include "port-solaris.h"
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#include "port-net.h"
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#include "port-uw.h"
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/* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */
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#if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE)
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# include <features.h>
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# if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ)
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# if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0)
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# include <sys/socket.h> /* Ensure include guard is defined */
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# undef FD_SET
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# undef FD_ISSET
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# define FD_SET(n, set) kludge_FD_SET(n, set)
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# define FD_ISSET(n, set) kludge_FD_ISSET(n, set)
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void kludge_FD_SET(int, fd_set *);
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int kludge_FD_ISSET(int, fd_set *);
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# endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */
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# endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */
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#endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */
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#endif /* _OPENBSD_COMPAT_H */
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