defines.h revision 262566
1/*
2 * Copyright (c) 1999-2003 Damien Miller.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
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.
12 *
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.
23 */
24
25#ifndef _DEFINES_H
26#define _DEFINES_H
27
28/* $Id: defines.h,v 1.176 2014/01/17 13:12:38 dtucker Exp $ */
29
30
31/* Constants */
32
33#if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0
34enum
35{
36  SHUT_RD = 0,		/* No more receptions.  */
37  SHUT_WR,			/* No more transmissions.  */
38  SHUT_RDWR			/* No more receptions or transmissions.  */
39};
40# define SHUT_RD   SHUT_RD
41# define SHUT_WR   SHUT_WR
42# define SHUT_RDWR SHUT_RDWR
43#endif
44
45/*
46 * Definitions for IP type of service (ip_tos)
47 */
48#include <netinet/in_systm.h>
49#include <netinet/ip.h>
50#ifndef IPTOS_LOWDELAY
51# define IPTOS_LOWDELAY          0x10
52# define IPTOS_THROUGHPUT        0x08
53# define IPTOS_RELIABILITY       0x04
54# define IPTOS_LOWCOST           0x02
55# define IPTOS_MINCOST           IPTOS_LOWCOST
56#endif /* IPTOS_LOWDELAY */
57
58/*
59 * Definitions for DiffServ Codepoints as per RFC2474
60 */
61#ifndef IPTOS_DSCP_AF11
62# define	IPTOS_DSCP_AF11		0x28
63# define	IPTOS_DSCP_AF12		0x30
64# define	IPTOS_DSCP_AF13		0x38
65# define	IPTOS_DSCP_AF21		0x48
66# define	IPTOS_DSCP_AF22		0x50
67# define	IPTOS_DSCP_AF23		0x58
68# define	IPTOS_DSCP_AF31		0x68
69# define	IPTOS_DSCP_AF32		0x70
70# define	IPTOS_DSCP_AF33		0x78
71# define	IPTOS_DSCP_AF41		0x88
72# define	IPTOS_DSCP_AF42		0x90
73# define	IPTOS_DSCP_AF43		0x98
74# define	IPTOS_DSCP_EF		0xb8
75#endif /* IPTOS_DSCP_AF11 */
76#ifndef IPTOS_DSCP_CS0
77# define	IPTOS_DSCP_CS0		0x00
78# define	IPTOS_DSCP_CS1		0x20
79# define	IPTOS_DSCP_CS2		0x40
80# define	IPTOS_DSCP_CS3		0x60
81# define	IPTOS_DSCP_CS4		0x80
82# define	IPTOS_DSCP_CS5		0xa0
83# define	IPTOS_DSCP_CS6		0xc0
84# define	IPTOS_DSCP_CS7		0xe0
85#endif /* IPTOS_DSCP_CS0 */
86#ifndef IPTOS_DSCP_EF
87# define	IPTOS_DSCP_EF		0xb8
88#endif /* IPTOS_DSCP_EF */
89
90#ifndef PATH_MAX
91# ifdef _POSIX_PATH_MAX
92# define PATH_MAX _POSIX_PATH_MAX
93# endif
94#endif
95
96#ifndef MAXPATHLEN
97# ifdef PATH_MAX
98#  define MAXPATHLEN PATH_MAX
99# else /* PATH_MAX */
100#  define MAXPATHLEN 64
101/* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
102#  ifndef BROKEN_REALPATH
103#   define BROKEN_REALPATH 1
104#  endif /* BROKEN_REALPATH */
105# endif /* PATH_MAX */
106#endif /* MAXPATHLEN */
107
108#if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
109# define MAXSYMLINKS 5
110#endif
111
112#ifndef STDIN_FILENO
113# define STDIN_FILENO    0
114#endif
115#ifndef STDOUT_FILENO
116# define STDOUT_FILENO   1
117#endif
118#ifndef STDERR_FILENO
119# define STDERR_FILENO   2
120#endif
121
122#ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
123#ifdef NGROUPS
124#define NGROUPS_MAX NGROUPS
125#else
126#define NGROUPS_MAX 0
127#endif
128#endif
129
130#if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
131# define O_NONBLOCK      00004	/* Non Blocking Open */
132#endif
133
134#ifndef S_IFSOCK
135# define S_IFSOCK 0
136#endif /* S_IFSOCK */
137
138#ifndef S_ISDIR
139# define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
140#endif /* S_ISDIR */
141
142#ifndef S_ISREG
143# define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
144#endif /* S_ISREG */
145
146#ifndef S_ISLNK
147# define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
148#endif /* S_ISLNK */
149
150#ifndef S_IXUSR
151# define S_IXUSR			0000100	/* execute/search permission, */
152# define S_IXGRP			0000010	/* execute/search permission, */
153# define S_IXOTH			0000001	/* execute/search permission, */
154# define _S_IWUSR			0000200	/* write permission, */
155# define S_IWUSR			_S_IWUSR	/* write permission, owner */
156# define S_IWGRP			0000020	/* write permission, group */
157# define S_IWOTH			0000002	/* write permission, other */
158# define S_IRUSR			0000400	/* read permission, owner */
159# define S_IRGRP			0000040	/* read permission, group */
160# define S_IROTH			0000004	/* read permission, other */
161# define S_IRWXU			0000700	/* read, write, execute */
162# define S_IRWXG			0000070	/* read, write, execute */
163# define S_IRWXO			0000007	/* read, write, execute */
164#endif /* S_IXUSR */
165
166#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
167#define MAP_ANON MAP_ANONYMOUS
168#endif
169
170#ifndef MAP_FAILED
171# define MAP_FAILED ((void *)-1)
172#endif
173
174/*
175SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
176including rpc/rpc.h breaks Solaris 6
177*/
178#ifndef INADDR_LOOPBACK
179#define INADDR_LOOPBACK ((u_long)0x7f000001)
180#endif
181
182/* Types */
183
184/* If sys/types.h does not supply intXX_t, supply them ourselves */
185/* (or die trying) */
186
187#ifndef HAVE_U_INT
188typedef unsigned int u_int;
189#endif
190
191#ifndef HAVE_INTXX_T
192typedef signed char int8_t;
193# if (SIZEOF_SHORT_INT == 2)
194typedef short int int16_t;
195# else
196#  ifdef _UNICOS
197#   if (SIZEOF_SHORT_INT == 4)
198typedef short int16_t;
199#   else
200typedef long  int16_t;
201#   endif
202#  else
203#   error "16 bit int type not found."
204#  endif /* _UNICOS */
205# endif
206# if (SIZEOF_INT == 4)
207typedef int int32_t;
208# else
209#  ifdef _UNICOS
210typedef long  int32_t;
211#  else
212#   error "32 bit int type not found."
213#  endif /* _UNICOS */
214# endif
215#endif
216
217/* If sys/types.h does not supply u_intXX_t, supply them ourselves */
218#ifndef HAVE_U_INTXX_T
219# ifdef HAVE_UINTXX_T
220typedef uint8_t u_int8_t;
221typedef uint16_t u_int16_t;
222typedef uint32_t u_int32_t;
223# define HAVE_U_INTXX_T 1
224# else
225typedef unsigned char u_int8_t;
226#  if (SIZEOF_SHORT_INT == 2)
227typedef unsigned short int u_int16_t;
228#  else
229#   ifdef _UNICOS
230#    if (SIZEOF_SHORT_INT == 4)
231typedef unsigned short u_int16_t;
232#    else
233typedef unsigned long  u_int16_t;
234#    endif
235#   else
236#    error "16 bit int type not found."
237#   endif
238#  endif
239#  if (SIZEOF_INT == 4)
240typedef unsigned int u_int32_t;
241#  else
242#   ifdef _UNICOS
243typedef unsigned long  u_int32_t;
244#   else
245#    error "32 bit int type not found."
246#   endif
247#  endif
248# endif
249#define __BIT_TYPES_DEFINED__
250#endif
251
252/* 64-bit types */
253#ifndef HAVE_INT64_T
254# if (SIZEOF_LONG_INT == 8)
255typedef long int int64_t;
256# else
257#  if (SIZEOF_LONG_LONG_INT == 8)
258typedef long long int int64_t;
259#  endif
260# endif
261#endif
262#ifndef HAVE_U_INT64_T
263# if (SIZEOF_LONG_INT == 8)
264typedef unsigned long int u_int64_t;
265# else
266#  if (SIZEOF_LONG_LONG_INT == 8)
267typedef unsigned long long int u_int64_t;
268#  endif
269# endif
270#endif
271
272#ifndef HAVE_UINTXX_T
273typedef u_int8_t uint8_t;
274typedef u_int16_t uint16_t;
275typedef u_int32_t uint32_t;
276typedef u_int64_t uint64_t;
277#endif
278
279#ifndef HAVE_INTMAX_T
280typedef long long intmax_t;
281#endif
282
283#ifndef HAVE_UINTMAX_T
284typedef unsigned long long uintmax_t;
285#endif
286
287#ifndef HAVE_U_CHAR
288typedef unsigned char u_char;
289# define HAVE_U_CHAR
290#endif /* HAVE_U_CHAR */
291
292#ifndef ULLONG_MAX
293# define ULLONG_MAX ((unsigned long long)-1)
294#endif
295
296#ifndef SIZE_T_MAX
297#define SIZE_T_MAX ULONG_MAX
298#endif /* SIZE_T_MAX */
299
300#ifndef HAVE_SIZE_T
301typedef unsigned int size_t;
302# define HAVE_SIZE_T
303# define SIZE_T_MAX UINT_MAX
304#endif /* HAVE_SIZE_T */
305
306#ifndef SIZE_MAX
307#define SIZE_MAX SIZE_T_MAX
308#endif
309
310#ifndef HAVE_SSIZE_T
311typedef int ssize_t;
312# define HAVE_SSIZE_T
313#endif /* HAVE_SSIZE_T */
314
315#ifndef HAVE_CLOCK_T
316typedef long clock_t;
317# define HAVE_CLOCK_T
318#endif /* HAVE_CLOCK_T */
319
320#ifndef HAVE_SA_FAMILY_T
321typedef int sa_family_t;
322# define HAVE_SA_FAMILY_T
323#endif /* HAVE_SA_FAMILY_T */
324
325#ifndef HAVE_PID_T
326typedef int pid_t;
327# define HAVE_PID_T
328#endif /* HAVE_PID_T */
329
330#ifndef HAVE_SIG_ATOMIC_T
331typedef int sig_atomic_t;
332# define HAVE_SIG_ATOMIC_T
333#endif /* HAVE_SIG_ATOMIC_T */
334
335#ifndef HAVE_MODE_T
336typedef int mode_t;
337# define HAVE_MODE_T
338#endif /* HAVE_MODE_T */
339
340#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
341# define ss_family __ss_family
342#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
343
344#ifndef HAVE_SYS_UN_H
345struct	sockaddr_un {
346	short	sun_family;		/* AF_UNIX */
347	char	sun_path[108];		/* path name (gag) */
348};
349#endif /* HAVE_SYS_UN_H */
350
351#ifndef HAVE_IN_ADDR_T
352typedef u_int32_t	in_addr_t;
353#endif
354#ifndef HAVE_IN_PORT_T
355typedef u_int16_t	in_port_t;
356#endif
357
358#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
359#define _STRUCT_WINSIZE
360struct winsize {
361      unsigned short ws_row;          /* rows, in characters */
362      unsigned short ws_col;          /* columns, in character */
363      unsigned short ws_xpixel;       /* horizontal size, pixels */
364      unsigned short ws_ypixel;       /* vertical size, pixels */
365};
366#endif
367
368/* bits needed for select that may not be in the system headers */
369#ifndef HAVE_FD_MASK
370 typedef unsigned long int	fd_mask;
371#endif
372
373#if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
374# define	NFDBITS (8 * sizeof(unsigned long))
375#endif
376
377#if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
378# define howmany(x,y)	(((x)+((y)-1))/(y))
379#endif
380
381/* Paths */
382
383#ifndef _PATH_BSHELL
384# define _PATH_BSHELL "/bin/sh"
385#endif
386
387#ifdef USER_PATH
388# ifdef _PATH_STDPATH
389#  undef _PATH_STDPATH
390# endif
391# define _PATH_STDPATH USER_PATH
392#endif
393
394#ifndef _PATH_STDPATH
395# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
396#endif
397
398#ifndef SUPERUSER_PATH
399# define SUPERUSER_PATH	_PATH_STDPATH
400#endif
401
402#ifndef _PATH_DEVNULL
403# define _PATH_DEVNULL "/dev/null"
404#endif
405
406/* user may have set a different path */
407#if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
408# undef _PATH_MAILDIR MAILDIR
409#endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
410
411#ifdef MAIL_DIRECTORY
412# define _PATH_MAILDIR MAIL_DIRECTORY
413#endif
414
415#ifndef _PATH_NOLOGIN
416# define _PATH_NOLOGIN "/etc/nologin"
417#endif
418
419/* Define this to be the path of the xauth program. */
420#ifdef XAUTH_PATH
421#define _PATH_XAUTH XAUTH_PATH
422#endif /* XAUTH_PATH */
423
424/* derived from XF4/xc/lib/dps/Xlibnet.h */
425#ifndef X_UNIX_PATH
426#  ifdef __hpux
427#    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
428#  else
429#    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
430#  endif
431#endif /* X_UNIX_PATH */
432#define _PATH_UNIX_X X_UNIX_PATH
433
434#ifndef _PATH_TTY
435# define _PATH_TTY "/dev/tty"
436#endif
437
438/* Macros */
439
440#if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
441# define HAVE_LOGIN_CAP
442#endif
443
444#ifndef MAX
445# define MAX(a,b) (((a)>(b))?(a):(b))
446# define MIN(a,b) (((a)<(b))?(a):(b))
447#endif
448
449#ifndef roundup
450# define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
451#endif
452
453#ifndef timersub
454#define timersub(a, b, result)					\
455   do {								\
456      (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
457      (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
458      if ((result)->tv_usec < 0) {				\
459	 --(result)->tv_sec;					\
460	 (result)->tv_usec += 1000000;				\
461      }								\
462   } while (0)
463#endif
464
465#ifndef TIMEVAL_TO_TIMESPEC
466#define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
467	(ts)->tv_sec = (tv)->tv_sec;					\
468	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
469}
470#endif
471
472#ifndef TIMESPEC_TO_TIMEVAL
473#define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
474	(tv)->tv_sec = (ts)->tv_sec;					\
475	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
476}
477#endif
478
479#ifndef __P
480# define __P(x) x
481#endif
482
483#if !defined(IN6_IS_ADDR_V4MAPPED)
484# define IN6_IS_ADDR_V4MAPPED(a) \
485	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
486	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
487#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
488
489#if !defined(__GNUC__) || (__GNUC__ < 2)
490# define __attribute__(x)
491#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
492
493#if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
494# define __sentinel__
495#endif
496
497#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
498# define __bounded__(x, y, z)
499#endif
500
501#if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
502# define __nonnull__(x)
503#endif
504
505#ifndef OSSH_ALIGNBYTES
506#define OSSH_ALIGNBYTES	(sizeof(int) - 1)
507#endif
508#ifndef __CMSG_ALIGN
509#define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
510#endif
511
512/* Length of the contents of a control message of length len */
513#ifndef CMSG_LEN
514#define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
515#endif
516
517/* Length of the space taken up by a padded control message of length len */
518#ifndef CMSG_SPACE
519#define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
520#endif
521
522/* given pointer to struct cmsghdr, return pointer to data */
523#ifndef CMSG_DATA
524#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
525#endif /* CMSG_DATA */
526
527/*
528 * RFC 2292 requires to check msg_controllen, in case that the kernel returns
529 * an empty list for some reasons.
530 */
531#ifndef CMSG_FIRSTHDR
532#define CMSG_FIRSTHDR(mhdr) \
533	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
534	 (struct cmsghdr *)(mhdr)->msg_control : \
535	 (struct cmsghdr *)NULL)
536#endif /* CMSG_FIRSTHDR */
537
538#if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
539# define offsetof(type, member) ((size_t) &((type *)0)->member)
540#endif
541
542/* Set up BSD-style BYTE_ORDER definition if it isn't there already */
543/* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
544#ifndef BYTE_ORDER
545# ifndef LITTLE_ENDIAN
546#  define LITTLE_ENDIAN  1234
547# endif /* LITTLE_ENDIAN */
548# ifndef BIG_ENDIAN
549#  define BIG_ENDIAN     4321
550# endif /* BIG_ENDIAN */
551# ifdef WORDS_BIGENDIAN
552#  define BYTE_ORDER BIG_ENDIAN
553# else /* WORDS_BIGENDIAN */
554#  define BYTE_ORDER LITTLE_ENDIAN
555# endif /* WORDS_BIGENDIAN */
556#endif /* BYTE_ORDER */
557
558/* Function replacement / compatibility hacks */
559
560#if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
561# define HAVE_GETADDRINFO
562#endif
563
564#ifndef HAVE_GETOPT_OPTRESET
565# undef getopt
566# undef opterr
567# undef optind
568# undef optopt
569# undef optreset
570# undef optarg
571# define getopt(ac, av, o)  BSDgetopt(ac, av, o)
572# define opterr             BSDopterr
573# define optind             BSDoptind
574# define optopt             BSDoptopt
575# define optreset           BSDoptreset
576# define optarg             BSDoptarg
577#endif
578
579#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
580# undef HAVE_GETADDRINFO
581#endif
582#if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
583# undef HAVE_FREEADDRINFO
584#endif
585#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
586# undef HAVE_GAI_STRERROR
587#endif
588
589#if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
590# undef HAVE_UPDWTMPX
591#endif
592
593#if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
594# undef HAS_SHADOW_EXPIRE
595#endif
596
597#if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
598    defined(SYSLOG_R_SAFE_IN_SIGHAND)
599# define DO_LOG_SAFE_IN_SIGHAND
600#endif
601
602#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
603# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
604#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
605
606#if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
607#  define USE_VHANGUP
608#endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
609
610#ifndef GETPGRP_VOID
611# include <unistd.h>
612# define getpgrp() getpgrp(0)
613#endif
614
615#ifdef USE_BSM_AUDIT
616# define SSH_AUDIT_EVENTS
617# define CUSTOM_SSH_AUDIT_EVENTS
618#endif
619
620#ifdef USE_LINUX_AUDIT
621# define SSH_AUDIT_EVENTS
622# define CUSTOM_SSH_AUDIT_EVENTS
623#endif
624
625#if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
626#  define __func__ __FUNCTION__
627#elif !defined(HAVE___func__)
628#  define __func__ ""
629#endif
630
631#if defined(KRB5) && !defined(HEIMDAL)
632#  define krb5_get_err_text(context,code) error_message(code)
633#endif
634
635#if defined(SKEYCHALLENGE_4ARG)
636# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
637#else
638# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
639#endif
640
641/* Maximum number of file descriptors available */
642#ifdef HAVE_SYSCONF
643# define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
644#else
645# define SSH_SYSFDMAX 10000
646#endif
647
648#ifdef FSID_HAS_VAL
649/* encode f_fsid into a 64 bit value  */
650#define FSID_TO_ULONG(f) \
651	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
652	    ((f).val[1] & 0xffffffffUL))
653#elif defined(FSID_HAS___VAL)
654#define FSID_TO_ULONG(f) \
655	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
656	    ((f).__val[1] & 0xffffffffUL))
657#else
658# define FSID_TO_ULONG(f) ((f))
659#endif
660
661#if defined(__Lynx__)
662 /*
663  * LynxOS defines these in param.h which we do not want to include since
664  * it will also pull in a bunch of kernel definitions.
665  */
666# define ALIGNBYTES (sizeof(int) - 1)
667# define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
668  /* Missing prototypes on LynxOS */
669  int snprintf (char *, size_t, const char *, ...);
670  int mkstemp (char *);
671  char *crypt (const char *, const char *);
672  int seteuid (uid_t);
673  int setegid (gid_t);
674  char *mkdtemp (char *);
675  int rresvport_af (int *, sa_family_t);
676  int innetgr (const char *, const char *, const char *, const char *);
677#endif
678
679/*
680 * Define this to use pipes instead of socketpairs for communicating with the
681 * client program.  Socketpairs do not seem to work on all systems.
682 *
683 * configure.ac sets this for a few OS's which are known to have problems
684 * but you may need to set it yourself
685 */
686/* #define USE_PIPES 1 */
687
688/**
689 ** login recorder definitions
690 **/
691
692/* FIXME: put default paths back in */
693#ifndef UTMP_FILE
694#  ifdef _PATH_UTMP
695#    define UTMP_FILE _PATH_UTMP
696#  else
697#    ifdef CONF_UTMP_FILE
698#      define UTMP_FILE CONF_UTMP_FILE
699#    endif
700#  endif
701#endif
702#ifndef WTMP_FILE
703#  ifdef _PATH_WTMP
704#    define WTMP_FILE _PATH_WTMP
705#  else
706#    ifdef CONF_WTMP_FILE
707#      define WTMP_FILE CONF_WTMP_FILE
708#    endif
709#  endif
710#endif
711/* pick up the user's location for lastlog if given */
712#ifndef LASTLOG_FILE
713#  ifdef _PATH_LASTLOG
714#    define LASTLOG_FILE _PATH_LASTLOG
715#  else
716#    ifdef CONF_LASTLOG_FILE
717#      define LASTLOG_FILE CONF_LASTLOG_FILE
718#    endif
719#  endif
720#endif
721
722#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
723# define USE_SHADOW
724#endif
725
726/* The login() library function in libutil is first choice */
727#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
728#  define USE_LOGIN
729
730#else
731/* Simply select your favourite login types. */
732/* Can't do if-else because some systems use several... <sigh> */
733#  if !defined(DISABLE_UTMPX)
734#    define USE_UTMPX
735#  endif
736#  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
737#    define USE_UTMP
738#  endif
739#  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
740#    define USE_WTMPX
741#  endif
742#  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
743#    define USE_WTMP
744#  endif
745
746#endif
747
748#ifndef UT_LINESIZE
749# define UT_LINESIZE 8
750#endif
751
752/* I hope that the presence of LASTLOG_FILE is enough to detect this */
753#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
754#  define USE_LASTLOG
755#endif
756
757#ifdef HAVE_OSF_SIA
758# ifdef USE_SHADOW
759#  undef USE_SHADOW
760# endif
761# define CUSTOM_SYS_AUTH_PASSWD 1
762#endif
763
764#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
765# define CUSTOM_SYS_AUTH_PASSWD 1
766#endif
767#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
768# define USE_LIBIAF
769#endif
770
771/* HP-UX 11.11 */
772#ifdef BTMP_FILE
773# define _PATH_BTMP BTMP_FILE
774#endif
775
776#if defined(USE_BTMP) && defined(_PATH_BTMP)
777# define CUSTOM_FAILED_LOGIN
778#endif
779
780/** end of login recorder definitions */
781
782#ifdef BROKEN_GETGROUPS
783# define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
784#endif
785
786#if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
787# undef HAVE_MMAP
788#endif
789
790#ifndef IOV_MAX
791# if defined(_XOPEN_IOV_MAX)
792#  define	IOV_MAX		_XOPEN_IOV_MAX
793# elif defined(DEF_IOV_MAX)
794#  define	IOV_MAX		DEF_IOV_MAX
795# else
796#  define	IOV_MAX		16
797# endif
798#endif
799
800#ifndef EWOULDBLOCK
801# define EWOULDBLOCK EAGAIN
802#endif
803
804#ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
805#define INET6_ADDRSTRLEN 46
806#endif
807
808#ifndef SSH_IOBUFSZ
809# define SSH_IOBUFSZ 8192
810#endif
811
812#ifndef _NSIG
813# ifdef NSIG
814#  define _NSIG NSIG
815# else
816#  define _NSIG 128
817# endif
818#endif
819
820/*
821 * Platforms that have arc4random_uniform() and not arc4random_stir()
822 * shouldn't need the latter.
823 */
824#if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
825    !defined(HAVE_ARC4RANDOM_STIR)
826# define arc4random_stir()
827#endif
828
829#endif /* _DEFINES_H */
830