2 * Copyright (c) 1999-2003 Damien Miller. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0
33 SHUT_RD = 0, /* No more receptions. */
34 SHUT_WR, /* No more transmissions. */
35 SHUT_RDWR /* No more receptions or transmissions. */
37 # define SHUT_RD SHUT_RD
38 # define SHUT_WR SHUT_WR
39 # define SHUT_RDWR SHUT_RDWR
43 * Cygwin doesn't really have a notion of reserved ports. It is still
44 * is useful on the client side so for compatibility it defines as 1024 via
45 * netinet/in.h inside an enum. We * don't actually want that restriction
46 * so we want to set that to zero, but we can't do it direct in config.h
47 * because it'll cause a conflicting definition the first time we include
52 #define IPPORT_RESERVED 0
56 * Definitions for IP type of service (ip_tos)
58 #include <netinet/in_systm.h>
59 #include <netinet/ip.h>
60 #ifndef IPTOS_LOWDELAY
61 # define IPTOS_LOWDELAY 0x10
62 # define IPTOS_THROUGHPUT 0x08
63 # define IPTOS_RELIABILITY 0x04
64 # define IPTOS_LOWCOST 0x02
65 # define IPTOS_MINCOST IPTOS_LOWCOST
66 #endif /* IPTOS_LOWDELAY */
69 * Definitions for DiffServ Codepoints as per RFC2474
71 #ifndef IPTOS_DSCP_AF11
72 # define IPTOS_DSCP_AF11 0x28
73 # define IPTOS_DSCP_AF12 0x30
74 # define IPTOS_DSCP_AF13 0x38
75 # define IPTOS_DSCP_AF21 0x48
76 # define IPTOS_DSCP_AF22 0x50
77 # define IPTOS_DSCP_AF23 0x58
78 # define IPTOS_DSCP_AF31 0x68
79 # define IPTOS_DSCP_AF32 0x70
80 # define IPTOS_DSCP_AF33 0x78
81 # define IPTOS_DSCP_AF41 0x88
82 # define IPTOS_DSCP_AF42 0x90
83 # define IPTOS_DSCP_AF43 0x98
84 # define IPTOS_DSCP_EF 0xb8
85 #endif /* IPTOS_DSCP_AF11 */
86 #ifndef IPTOS_DSCP_CS0
87 # define IPTOS_DSCP_CS0 0x00
88 # define IPTOS_DSCP_CS1 0x20
89 # define IPTOS_DSCP_CS2 0x40
90 # define IPTOS_DSCP_CS3 0x60
91 # define IPTOS_DSCP_CS4 0x80
92 # define IPTOS_DSCP_CS5 0xa0
93 # define IPTOS_DSCP_CS6 0xc0
94 # define IPTOS_DSCP_CS7 0xe0
95 #endif /* IPTOS_DSCP_CS0 */
97 # define IPTOS_DSCP_EF 0xb8
98 #endif /* IPTOS_DSCP_EF */
101 # ifdef _POSIX_PATH_MAX
102 # define PATH_MAX _POSIX_PATH_MAX
108 # define MAXPATHLEN PATH_MAX
109 # else /* PATH_MAX */
110 # define MAXPATHLEN 64
111 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
112 # ifndef BROKEN_REALPATH
113 # define BROKEN_REALPATH 1
114 # endif /* BROKEN_REALPATH */
115 # endif /* PATH_MAX */
116 #endif /* MAXPATHLEN */
118 #ifndef HOST_NAME_MAX
119 # include "netdb.h" /* for MAXHOSTNAMELEN */
120 # if defined(_POSIX_HOST_NAME_MAX)
121 # define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
122 # elif defined(MAXHOSTNAMELEN)
123 # define HOST_NAME_MAX MAXHOSTNAMELEN
125 # define HOST_NAME_MAX 255
127 #endif /* HOST_NAME_MAX */
129 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
130 # define MAXSYMLINKS 5
134 # define STDIN_FILENO 0
136 #ifndef STDOUT_FILENO
137 # define STDOUT_FILENO 1
139 #ifndef STDERR_FILENO
140 # define STDERR_FILENO 2
143 #ifndef NGROUPS_MAX /* Disable groupaccess if NGROUP_MAX is not set */
145 #define NGROUPS_MAX NGROUPS
147 #define NGROUPS_MAX 0
151 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
152 # define O_NONBLOCK 00004 /* Non Blocking Open */
157 #endif /* S_IFSOCK */
160 # define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
164 # define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
168 # define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)
172 # define S_IXUSR 0000100 /* execute/search permission, */
173 # define S_IXGRP 0000010 /* execute/search permission, */
174 # define S_IXOTH 0000001 /* execute/search permission, */
175 # define _S_IWUSR 0000200 /* write permission, */
176 # define S_IWUSR _S_IWUSR /* write permission, owner */
177 # define S_IWGRP 0000020 /* write permission, group */
178 # define S_IWOTH 0000002 /* write permission, other */
179 # define S_IRUSR 0000400 /* read permission, owner */
180 # define S_IRGRP 0000040 /* read permission, group */
181 # define S_IROTH 0000004 /* read permission, other */
182 # define S_IRWXU 0000700 /* read, write, execute */
183 # define S_IRWXG 0000070 /* read, write, execute */
184 # define S_IRWXO 0000007 /* read, write, execute */
187 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
188 #define MAP_ANON MAP_ANONYMOUS
192 # define MAP_FAILED ((void *)-1)
196 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
197 including rpc/rpc.h breaks Solaris 6
199 #ifndef INADDR_LOOPBACK
200 #define INADDR_LOOPBACK ((u_long)0x7f000001)
205 /* If sys/types.h does not supply intXX_t, supply them ourselves */
206 /* (or die trying) */
209 typedef unsigned int u_int;
213 typedef signed char int8_t;
214 # if (SIZEOF_SHORT_INT == 2)
215 typedef short int int16_t;
217 # error "16 bit int type not found."
219 # if (SIZEOF_INT == 4)
222 # error "32 bit int type not found."
226 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */
227 #ifndef HAVE_U_INTXX_T
228 # ifdef HAVE_UINTXX_T
229 typedef uint8_t u_int8_t;
230 typedef uint16_t u_int16_t;
231 typedef uint32_t u_int32_t;
232 # define HAVE_U_INTXX_T 1
234 typedef unsigned char u_int8_t;
235 # if (SIZEOF_SHORT_INT == 2)
236 typedef unsigned short int u_int16_t;
238 # error "16 bit int type not found."
240 # if (SIZEOF_INT == 4)
241 typedef unsigned int u_int32_t;
243 # error "32 bit int type not found."
246 #define __BIT_TYPES_DEFINED__
251 # if (SIZEOF_LONG_INT == 8)
252 typedef long int int64_t;
254 # if (SIZEOF_LONG_LONG_INT == 8)
255 typedef long long int int64_t;
259 #ifndef HAVE_U_INT64_T
260 # if (SIZEOF_LONG_INT == 8)
261 typedef unsigned long int u_int64_t;
263 # if (SIZEOF_LONG_LONG_INT == 8)
264 typedef unsigned long long int u_int64_t;
269 #ifndef HAVE_UINTXX_T
270 typedef u_int8_t uint8_t;
271 typedef u_int16_t uint16_t;
272 typedef u_int32_t uint32_t;
273 typedef u_int64_t uint64_t;
276 #ifndef HAVE_INTMAX_T
277 typedef long long intmax_t;
280 #ifndef HAVE_UINTMAX_T
281 typedef unsigned long long uintmax_t;
285 typedef unsigned char u_char;
287 #endif /* HAVE_U_CHAR */
290 # define ULLONG_MAX ((unsigned long long)-1)
294 #define SIZE_T_MAX ULONG_MAX
295 #endif /* SIZE_T_MAX */
298 typedef unsigned int size_t;
300 # define SIZE_T_MAX UINT_MAX
301 #endif /* HAVE_SIZE_T */
304 #define SIZE_MAX SIZE_T_MAX
308 # if (SIZEOF_INT == 4)
309 # define INT32_MAX INT_MAX
310 # elif (SIZEOF_LONG == 4)
311 # define INT32_MAX LONG_MAX
313 # error "need INT32_MAX"
318 # if (SIZEOF_INT == 8)
319 # define INT64_MAX INT_MAX
320 # elif (SIZEOF_LONG == 8)
321 # define INT64_MAX LONG_MAX
322 # elif (SIZEOF_LONG_LONG_INT == 8)
323 # define INT64_MAX LLONG_MAX
325 # error "need INT64_MAX"
331 # define HAVE_SSIZE_T
332 #endif /* HAVE_SSIZE_T */
335 typedef long clock_t;
336 # define HAVE_CLOCK_T
337 #endif /* HAVE_CLOCK_T */
339 #ifndef HAVE_SA_FAMILY_T
340 typedef int sa_family_t;
341 # define HAVE_SA_FAMILY_T
342 #endif /* HAVE_SA_FAMILY_T */
347 #endif /* HAVE_PID_T */
349 #ifndef HAVE_SIG_ATOMIC_T
350 typedef int sig_atomic_t;
351 # define HAVE_SIG_ATOMIC_T
352 #endif /* HAVE_SIG_ATOMIC_T */
357 #endif /* HAVE_MODE_T */
359 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
360 # define ss_family __ss_family
361 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
363 #ifndef HAVE_SYS_UN_H
365 short sun_family; /* AF_UNIX */
366 char sun_path[108]; /* path name (gag) */
368 #endif /* HAVE_SYS_UN_H */
370 #ifndef HAVE_IN_ADDR_T
371 typedef u_int32_t in_addr_t;
373 #ifndef HAVE_IN_PORT_T
374 typedef u_int16_t in_port_t;
377 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
378 #define _STRUCT_WINSIZE
380 unsigned short ws_row; /* rows, in characters */
381 unsigned short ws_col; /* columns, in character */
382 unsigned short ws_xpixel; /* horizontal size, pixels */
383 unsigned short ws_ypixel; /* vertical size, pixels */
387 /* bits needed for select that may not be in the system headers */
389 typedef unsigned long int fd_mask;
392 #if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
393 # define NFDBITS (8 * sizeof(unsigned long))
396 #if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
397 # define howmany(x,y) (((x)+((y)-1))/(y))
403 # define _PATH_BSHELL "/bin/sh"
407 # ifdef _PATH_STDPATH
408 # undef _PATH_STDPATH
410 # define _PATH_STDPATH USER_PATH
413 #ifndef _PATH_STDPATH
414 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
417 #ifndef SUPERUSER_PATH
418 # define SUPERUSER_PATH _PATH_STDPATH
421 #ifndef _PATH_DEVNULL
422 # define _PATH_DEVNULL "/dev/null"
425 /* user may have set a different path */
426 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
427 # undef _PATH_MAILDIR
428 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
430 #ifdef MAIL_DIRECTORY
431 # define _PATH_MAILDIR MAIL_DIRECTORY
434 #ifndef _PATH_NOLOGIN
435 # define _PATH_NOLOGIN "/etc/nologin"
438 /* Define this to be the path of the xauth program. */
440 #define _PATH_XAUTH XAUTH_PATH
441 #endif /* XAUTH_PATH */
443 /* derived from XF4/xc/lib/dps/Xlibnet.h */
446 # define X_UNIX_PATH "/var/spool/sockets/X11/%u"
448 # define X_UNIX_PATH "/tmp/.X11-unix/X%u"
450 #endif /* X_UNIX_PATH */
451 #define _PATH_UNIX_X X_UNIX_PATH
454 # define _PATH_TTY "/dev/tty"
459 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
460 # define HAVE_LOGIN_CAP
464 # define MAX(a,b) (((a)>(b))?(a):(b))
465 # define MIN(a,b) (((a)<(b))?(a):(b))
469 # define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
473 #define timersub(a, b, result) \
475 (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
476 (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
477 if ((result)->tv_usec < 0) { \
478 --(result)->tv_sec; \
479 (result)->tv_usec += 1000000; \
484 #ifndef TIMEVAL_TO_TIMESPEC
485 #define TIMEVAL_TO_TIMESPEC(tv, ts) { \
486 (ts)->tv_sec = (tv)->tv_sec; \
487 (ts)->tv_nsec = (tv)->tv_usec * 1000; \
491 #ifndef TIMESPEC_TO_TIMEVAL
492 #define TIMESPEC_TO_TIMEVAL(tv, ts) { \
493 (tv)->tv_sec = (ts)->tv_sec; \
494 (tv)->tv_usec = (ts)->tv_nsec / 1000; \
499 #define timespeccmp(tsp, usp, cmp) \
500 (((tsp)->tv_sec == (usp)->tv_sec) ? \
501 ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
502 ((tsp)->tv_sec cmp (usp)->tv_sec))
509 #if !defined(IN6_IS_ADDR_V4MAPPED)
510 # define IN6_IS_ADDR_V4MAPPED(a) \
511 ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
512 (((u_int32_t *) (a))[2] == htonl (0xffff)))
513 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
515 #if !defined(__GNUC__) || (__GNUC__ < 2)
516 # define __attribute__(x)
517 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
519 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
520 # define __sentinel__
523 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
524 # define __bounded__(x, y, z)
527 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
528 # define __nonnull__(x)
531 #ifndef OSSH_ALIGNBYTES
532 #define OSSH_ALIGNBYTES (sizeof(int) - 1)
535 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
538 /* Length of the contents of a control message of length len */
540 #define CMSG_LEN(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
543 /* Length of the space taken up by a padded control message of length len */
545 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
548 /* given pointer to struct cmsghdr, return pointer to data */
550 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
551 #endif /* CMSG_DATA */
554 * RFC 2292 requires to check msg_controllen, in case that the kernel returns
555 * an empty list for some reasons.
557 #ifndef CMSG_FIRSTHDR
558 #define CMSG_FIRSTHDR(mhdr) \
559 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
560 (struct cmsghdr *)(mhdr)->msg_control : \
561 (struct cmsghdr *)NULL)
562 #endif /* CMSG_FIRSTHDR */
564 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
565 # define offsetof(type, member) ((size_t) &((type *)0)->member)
568 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
569 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
571 # ifndef LITTLE_ENDIAN
572 # define LITTLE_ENDIAN 1234
573 # endif /* LITTLE_ENDIAN */
575 # define BIG_ENDIAN 4321
576 # endif /* BIG_ENDIAN */
577 # ifdef WORDS_BIGENDIAN
578 # define BYTE_ORDER BIG_ENDIAN
579 # else /* WORDS_BIGENDIAN */
580 # define BYTE_ORDER LITTLE_ENDIAN
581 # endif /* WORDS_BIGENDIAN */
582 #endif /* BYTE_ORDER */
584 /* Function replacement / compatibility hacks */
586 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
587 # define HAVE_GETADDRINFO
590 #ifndef HAVE_GETOPT_OPTRESET
597 # define getopt(ac, av, o) BSDgetopt(ac, av, o)
598 # define opterr BSDopterr
599 # define optind BSDoptind
600 # define optopt BSDoptopt
601 # define optreset BSDoptreset
602 # define optarg BSDoptarg
605 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
606 # undef HAVE_GETADDRINFO
608 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
609 # undef HAVE_FREEADDRINFO
611 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
612 # undef HAVE_GAI_STRERROR
615 #if defined(HAVE_GETADDRINFO)
616 # if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0
617 # define AI_NUMERICSERV 0
621 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
622 # undef HAVE_UPDWTMPX
625 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
626 # undef HAS_SHADOW_EXPIRE
629 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
630 defined(SYSLOG_R_SAFE_IN_SIGHAND)
631 # define DO_LOG_SAFE_IN_SIGHAND
634 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
635 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
636 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
640 # define getpgrp() getpgrp(0)
644 # define SSH_AUDIT_EVENTS
645 # define CUSTOM_SSH_AUDIT_EVENTS
648 #ifdef USE_LINUX_AUDIT
649 # define SSH_AUDIT_EVENTS
650 # define CUSTOM_SSH_AUDIT_EVENTS
653 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
654 # define __func__ __FUNCTION__
655 #elif !defined(HAVE___func__)
659 #if defined(KRB5) && !defined(HEIMDAL)
660 # define krb5_get_err_text(context,code) error_message(code)
663 /* Maximum number of file descriptors available */
665 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
667 # define SSH_SYSFDMAX 10000
671 /* encode f_fsid into a 64 bit value */
672 #define FSID_TO_ULONG(f) \
673 ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
674 ((f).val[1] & 0xffffffffUL))
675 #elif defined(FSID_HAS___VAL)
676 #define FSID_TO_ULONG(f) \
677 ((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
678 ((f).__val[1] & 0xffffffffUL))
680 # define FSID_TO_ULONG(f) ((f))
683 #if defined(__Lynx__)
685 * LynxOS defines these in param.h which we do not want to include since
686 * it will also pull in a bunch of kernel definitions.
688 # define ALIGNBYTES (sizeof(int) - 1)
689 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
690 /* Missing prototypes on LynxOS */
691 int snprintf (char *, size_t, const char *, ...);
692 int mkstemp (char *);
693 char *crypt (const char *, const char *);
696 char *mkdtemp (char *);
697 int rresvport_af (int *, sa_family_t);
698 int innetgr (const char *, const char *, const char *, const char *);
702 * Define this to use pipes instead of socketpairs for communicating with the
703 * client program. Socketpairs do not seem to work on all systems.
705 * configure.ac sets this for a few OS's which are known to have problems
706 * but you may need to set it yourself
708 /* #define USE_PIPES 1 */
711 ** login recorder definitions
714 /* FIXME: put default paths back in */
717 # define UTMP_FILE _PATH_UTMP
719 # ifdef CONF_UTMP_FILE
720 # define UTMP_FILE CONF_UTMP_FILE
726 # define WTMP_FILE _PATH_WTMP
728 # ifdef CONF_WTMP_FILE
729 # define WTMP_FILE CONF_WTMP_FILE
733 /* pick up the user's location for lastlog if given */
735 # ifdef _PATH_LASTLOG
736 # define LASTLOG_FILE _PATH_LASTLOG
738 # ifdef CONF_LASTLOG_FILE
739 # define LASTLOG_FILE CONF_LASTLOG_FILE
744 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
748 /* The login() library function in libutil is first choice */
749 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
753 /* Simply select your favourite login types. */
754 /* Can't do if-else because some systems use several... <sigh> */
755 # if !defined(DISABLE_UTMPX)
758 # if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
761 # if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
764 # if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
771 # define UT_LINESIZE 8
774 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
775 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
783 # define CUSTOM_SYS_AUTH_PASSWD 1
786 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
787 # define CUSTOM_SYS_AUTH_PASSWD 1
789 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
795 # define _PATH_BTMP BTMP_FILE
798 #if defined(USE_BTMP) && defined(_PATH_BTMP)
799 # define CUSTOM_FAILED_LOGIN
802 /** end of login recorder definitions */
804 #ifdef BROKEN_GETGROUPS
805 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
808 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
813 # if defined(_XOPEN_IOV_MAX)
814 # define IOV_MAX _XOPEN_IOV_MAX
815 # elif defined(DEF_IOV_MAX)
816 # define IOV_MAX DEF_IOV_MAX
823 # define EWOULDBLOCK EAGAIN
826 #ifndef INET6_ADDRSTRLEN /* for non IPv6 machines */
827 #define INET6_ADDRSTRLEN 46
831 # define SSH_IOBUFSZ 8192
835 * We want functions in openbsd-compat, if enabled, to override system ones.
836 * We no-op out the weak symbol definition rather than remove it to reduce
837 * future sync problems.
842 * Platforms that have arc4random_uniform() and not arc4random_stir()
843 * shouldn't need the latter.
845 #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
846 !defined(HAVE_ARC4RANDOM_STIR)
847 # define arc4random_stir()
851 # ifdef HAVE___VA_COPY
852 # define va_copy(dest, src) __va_copy(dest, src)
854 # define va_copy(dest, src) (dest) = (src)
858 #ifndef __predict_true
859 # if defined(__GNUC__) && \
860 ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
861 # define __predict_true(exp) __builtin_expect(((exp) != 0), 1)
862 # define __predict_false(exp) __builtin_expect(((exp) != 0), 0)
864 # define __predict_true(exp) ((exp) != 0)
865 # define __predict_false(exp) ((exp) != 0)
866 # endif /* gcc version */
867 #endif /* __predict_true */
869 #if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \
870 defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \
871 defined(HAVE_DECL_GLOB_NOMATCH) && HAVE_DECL_GLOB_NOMATCH != 0 && \
872 !defined(BROKEN_GLOB)
873 # define USE_SYSTEM_GLOB
876 #endif /* _DEFINES_H */