defines.h revision 255767
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 1.172 2013/06/01 21:18:48 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_U_CHAR
273typedef unsigned char u_char;
274# define HAVE_U_CHAR
275#endif /* HAVE_U_CHAR */
276
277#ifndef ULLONG_MAX
278# define ULLONG_MAX ((unsigned long long)-1)
279#endif
280
281#ifndef SIZE_T_MAX
282#define SIZE_T_MAX ULONG_MAX
283#endif /* SIZE_T_MAX */
284
285#ifndef HAVE_SIZE_T
286typedef unsigned int size_t;
287# define HAVE_SIZE_T
288# define SIZE_T_MAX UINT_MAX
289#endif /* HAVE_SIZE_T */
290
291#ifndef SIZE_MAX
292#define SIZE_MAX SIZE_T_MAX
293#endif
294
295#ifndef HAVE_SSIZE_T
296typedef int ssize_t;
297# define HAVE_SSIZE_T
298#endif /* HAVE_SSIZE_T */
299
300#ifndef HAVE_CLOCK_T
301typedef long clock_t;
302# define HAVE_CLOCK_T
303#endif /* HAVE_CLOCK_T */
304
305#ifndef HAVE_SA_FAMILY_T
306typedef int sa_family_t;
307# define HAVE_SA_FAMILY_T
308#endif /* HAVE_SA_FAMILY_T */
309
310#ifndef HAVE_PID_T
311typedef int pid_t;
312# define HAVE_PID_T
313#endif /* HAVE_PID_T */
314
315#ifndef HAVE_SIG_ATOMIC_T
316typedef int sig_atomic_t;
317# define HAVE_SIG_ATOMIC_T
318#endif /* HAVE_SIG_ATOMIC_T */
319
320#ifndef HAVE_MODE_T
321typedef int mode_t;
322# define HAVE_MODE_T
323#endif /* HAVE_MODE_T */
324
325#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
326# define ss_family __ss_family
327#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
328
329#ifndef HAVE_SYS_UN_H
330struct	sockaddr_un {
331	short	sun_family;		/* AF_UNIX */
332	char	sun_path[108];		/* path name (gag) */
333};
334#endif /* HAVE_SYS_UN_H */
335
336#ifndef HAVE_IN_ADDR_T
337typedef u_int32_t	in_addr_t;
338#endif
339#ifndef HAVE_IN_PORT_T
340typedef u_int16_t	in_port_t;
341#endif
342
343#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
344#define _STRUCT_WINSIZE
345struct winsize {
346      unsigned short ws_row;          /* rows, in characters */
347      unsigned short ws_col;          /* columns, in character */
348      unsigned short ws_xpixel;       /* horizontal size, pixels */
349      unsigned short ws_ypixel;       /* vertical size, pixels */
350};
351#endif
352
353/* bits needed for select that may not be in the system headers */
354#ifndef HAVE_FD_MASK
355 typedef unsigned long int	fd_mask;
356#endif
357
358#if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
359# define	NFDBITS (8 * sizeof(unsigned long))
360#endif
361
362#if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
363# define howmany(x,y)	(((x)+((y)-1))/(y))
364#endif
365
366/* Paths */
367
368#ifndef _PATH_BSHELL
369# define _PATH_BSHELL "/bin/sh"
370#endif
371
372#ifdef USER_PATH
373# ifdef _PATH_STDPATH
374#  undef _PATH_STDPATH
375# endif
376# define _PATH_STDPATH USER_PATH
377#endif
378
379#ifndef _PATH_STDPATH
380# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
381#endif
382
383#ifndef SUPERUSER_PATH
384# define SUPERUSER_PATH	_PATH_STDPATH
385#endif
386
387#ifndef _PATH_DEVNULL
388# define _PATH_DEVNULL "/dev/null"
389#endif
390
391/* user may have set a different path */
392#if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
393# undef _PATH_MAILDIR MAILDIR
394#endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
395
396#ifdef MAIL_DIRECTORY
397# define _PATH_MAILDIR MAIL_DIRECTORY
398#endif
399
400#ifndef _PATH_NOLOGIN
401# define _PATH_NOLOGIN "/etc/nologin"
402#endif
403
404/* Define this to be the path of the xauth program. */
405#ifdef XAUTH_PATH
406#define _PATH_XAUTH XAUTH_PATH
407#endif /* XAUTH_PATH */
408
409/* derived from XF4/xc/lib/dps/Xlibnet.h */
410#ifndef X_UNIX_PATH
411#  ifdef __hpux
412#    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
413#  else
414#    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
415#  endif
416#endif /* X_UNIX_PATH */
417#define _PATH_UNIX_X X_UNIX_PATH
418
419#ifndef _PATH_TTY
420# define _PATH_TTY "/dev/tty"
421#endif
422
423/* Macros */
424
425#if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
426# define HAVE_LOGIN_CAP
427#endif
428
429#ifndef MAX
430# define MAX(a,b) (((a)>(b))?(a):(b))
431# define MIN(a,b) (((a)<(b))?(a):(b))
432#endif
433
434#ifndef roundup
435# define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
436#endif
437
438#ifndef timersub
439#define timersub(a, b, result)					\
440   do {								\
441      (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
442      (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
443      if ((result)->tv_usec < 0) {				\
444	 --(result)->tv_sec;					\
445	 (result)->tv_usec += 1000000;				\
446      }								\
447   } while (0)
448#endif
449
450#ifndef TIMEVAL_TO_TIMESPEC
451#define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
452	(ts)->tv_sec = (tv)->tv_sec;					\
453	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
454}
455#endif
456
457#ifndef TIMESPEC_TO_TIMEVAL
458#define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
459	(tv)->tv_sec = (ts)->tv_sec;					\
460	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
461}
462#endif
463
464#ifndef __P
465# define __P(x) x
466#endif
467
468#if !defined(IN6_IS_ADDR_V4MAPPED)
469# define IN6_IS_ADDR_V4MAPPED(a) \
470	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
471	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
472#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
473
474#if !defined(__GNUC__) || (__GNUC__ < 2)
475# define __attribute__(x)
476#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
477
478#if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
479# define __sentinel__
480#endif
481
482#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
483# define __bounded__(x, y, z)
484#endif
485
486#if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
487# define __nonnull__(x)
488#endif
489
490#ifndef OSSH_ALIGNBYTES
491#define OSSH_ALIGNBYTES	(sizeof(int) - 1)
492#endif
493#ifndef __CMSG_ALIGN
494#define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
495#endif
496
497/* Length of the contents of a control message of length len */
498#ifndef CMSG_LEN
499#define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
500#endif
501
502/* Length of the space taken up by a padded control message of length len */
503#ifndef CMSG_SPACE
504#define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
505#endif
506
507/* given pointer to struct cmsghdr, return pointer to data */
508#ifndef CMSG_DATA
509#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
510#endif /* CMSG_DATA */
511
512/*
513 * RFC 2292 requires to check msg_controllen, in case that the kernel returns
514 * an empty list for some reasons.
515 */
516#ifndef CMSG_FIRSTHDR
517#define CMSG_FIRSTHDR(mhdr) \
518	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
519	 (struct cmsghdr *)(mhdr)->msg_control : \
520	 (struct cmsghdr *)NULL)
521#endif /* CMSG_FIRSTHDR */
522
523#if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
524# define offsetof(type, member) ((size_t) &((type *)0)->member)
525#endif
526
527/* Set up BSD-style BYTE_ORDER definition if it isn't there already */
528/* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
529#ifndef BYTE_ORDER
530# ifndef LITTLE_ENDIAN
531#  define LITTLE_ENDIAN  1234
532# endif /* LITTLE_ENDIAN */
533# ifndef BIG_ENDIAN
534#  define BIG_ENDIAN     4321
535# endif /* BIG_ENDIAN */
536# ifdef WORDS_BIGENDIAN
537#  define BYTE_ORDER BIG_ENDIAN
538# else /* WORDS_BIGENDIAN */
539#  define BYTE_ORDER LITTLE_ENDIAN
540# endif /* WORDS_BIGENDIAN */
541#endif /* BYTE_ORDER */
542
543/* Function replacement / compatibility hacks */
544
545#if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
546# define HAVE_GETADDRINFO
547#endif
548
549#ifndef HAVE_GETOPT_OPTRESET
550# undef getopt
551# undef opterr
552# undef optind
553# undef optopt
554# undef optreset
555# undef optarg
556# define getopt(ac, av, o)  BSDgetopt(ac, av, o)
557# define opterr             BSDopterr
558# define optind             BSDoptind
559# define optopt             BSDoptopt
560# define optreset           BSDoptreset
561# define optarg             BSDoptarg
562#endif
563
564#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
565# undef HAVE_GETADDRINFO
566#endif
567#if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
568# undef HAVE_FREEADDRINFO
569#endif
570#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
571# undef HAVE_GAI_STRERROR
572#endif
573
574#if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
575# undef HAVE_UPDWTMPX
576#endif
577
578#if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
579# undef HAS_SHADOW_EXPIRE
580#endif
581
582#if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
583    defined(SYSLOG_R_SAFE_IN_SIGHAND)
584# define DO_LOG_SAFE_IN_SIGHAND
585#endif
586
587#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
588# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
589#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
590
591#if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
592#  define USE_VHANGUP
593#endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
594
595#ifndef GETPGRP_VOID
596# include <unistd.h>
597# define getpgrp() getpgrp(0)
598#endif
599
600#ifdef USE_BSM_AUDIT
601# define SSH_AUDIT_EVENTS
602# define CUSTOM_SSH_AUDIT_EVENTS
603#endif
604
605#ifdef USE_LINUX_AUDIT
606# define SSH_AUDIT_EVENTS
607# define CUSTOM_SSH_AUDIT_EVENTS
608#endif
609
610#if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
611#  define __func__ __FUNCTION__
612#elif !defined(HAVE___func__)
613#  define __func__ ""
614#endif
615
616#if defined(KRB5) && !defined(HEIMDAL)
617#  define krb5_get_err_text(context,code) error_message(code)
618#endif
619
620#if defined(SKEYCHALLENGE_4ARG)
621# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
622#else
623# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
624#endif
625
626/* Maximum number of file descriptors available */
627#ifdef HAVE_SYSCONF
628# define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
629#else
630# define SSH_SYSFDMAX 10000
631#endif
632
633#ifdef FSID_HAS_VAL
634/* encode f_fsid into a 64 bit value  */
635#define FSID_TO_ULONG(f) \
636	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
637	    ((f).val[1] & 0xffffffffUL))
638#elif defined(FSID_HAS___VAL)
639#define FSID_TO_ULONG(f) \
640	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
641	    ((f).__val[1] & 0xffffffffUL))
642#else
643# define FSID_TO_ULONG(f) ((f))
644#endif
645
646#if defined(__Lynx__)
647 /*
648  * LynxOS defines these in param.h which we do not want to include since
649  * it will also pull in a bunch of kernel definitions.
650  */
651# define ALIGNBYTES (sizeof(int) - 1)
652# define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
653  /* Missing prototypes on LynxOS */
654  int snprintf (char *, size_t, const char *, ...);
655  int mkstemp (char *);
656  char *crypt (const char *, const char *);
657  int seteuid (uid_t);
658  int setegid (gid_t);
659  char *mkdtemp (char *);
660  int rresvport_af (int *, sa_family_t);
661  int innetgr (const char *, const char *, const char *, const char *);
662#endif
663
664/*
665 * Define this to use pipes instead of socketpairs for communicating with the
666 * client program.  Socketpairs do not seem to work on all systems.
667 *
668 * configure.ac sets this for a few OS's which are known to have problems
669 * but you may need to set it yourself
670 */
671/* #define USE_PIPES 1 */
672
673/**
674 ** login recorder definitions
675 **/
676
677/* FIXME: put default paths back in */
678#ifndef UTMP_FILE
679#  ifdef _PATH_UTMP
680#    define UTMP_FILE _PATH_UTMP
681#  else
682#    ifdef CONF_UTMP_FILE
683#      define UTMP_FILE CONF_UTMP_FILE
684#    endif
685#  endif
686#endif
687#ifndef WTMP_FILE
688#  ifdef _PATH_WTMP
689#    define WTMP_FILE _PATH_WTMP
690#  else
691#    ifdef CONF_WTMP_FILE
692#      define WTMP_FILE CONF_WTMP_FILE
693#    endif
694#  endif
695#endif
696/* pick up the user's location for lastlog if given */
697#ifndef LASTLOG_FILE
698#  ifdef _PATH_LASTLOG
699#    define LASTLOG_FILE _PATH_LASTLOG
700#  else
701#    ifdef CONF_LASTLOG_FILE
702#      define LASTLOG_FILE CONF_LASTLOG_FILE
703#    endif
704#  endif
705#endif
706
707#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
708# define USE_SHADOW
709#endif
710
711/* The login() library function in libutil is first choice */
712#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
713#  define USE_LOGIN
714
715#else
716/* Simply select your favourite login types. */
717/* Can't do if-else because some systems use several... <sigh> */
718#  if !defined(DISABLE_UTMPX)
719#    define USE_UTMPX
720#  endif
721#  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
722#    define USE_UTMP
723#  endif
724#  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
725#    define USE_WTMPX
726#  endif
727#  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
728#    define USE_WTMP
729#  endif
730
731#endif
732
733#ifndef UT_LINESIZE
734# define UT_LINESIZE 8
735#endif
736
737/* I hope that the presence of LASTLOG_FILE is enough to detect this */
738#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
739#  define USE_LASTLOG
740#endif
741
742#ifdef HAVE_OSF_SIA
743# ifdef USE_SHADOW
744#  undef USE_SHADOW
745# endif
746# define CUSTOM_SYS_AUTH_PASSWD 1
747#endif
748
749#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
750# define CUSTOM_SYS_AUTH_PASSWD 1
751#endif
752#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
753# define USE_LIBIAF
754#endif
755
756/* HP-UX 11.11 */
757#ifdef BTMP_FILE
758# define _PATH_BTMP BTMP_FILE
759#endif
760
761#if defined(USE_BTMP) && defined(_PATH_BTMP)
762# define CUSTOM_FAILED_LOGIN
763#endif
764
765/** end of login recorder definitions */
766
767#ifdef BROKEN_GETGROUPS
768# define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
769#endif
770
771#if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
772# undef HAVE_MMAP
773#endif
774
775#ifndef IOV_MAX
776# if defined(_XOPEN_IOV_MAX)
777#  define	IOV_MAX		_XOPEN_IOV_MAX
778# elif defined(DEF_IOV_MAX)
779#  define	IOV_MAX		DEF_IOV_MAX
780# else
781#  define	IOV_MAX		16
782# endif
783#endif
784
785#ifndef EWOULDBLOCK
786# define EWOULDBLOCK EAGAIN
787#endif
788
789#ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
790#define INET6_ADDRSTRLEN 46
791#endif
792
793#ifndef SSH_IOBUFSZ
794# define SSH_IOBUFSZ 8192
795#endif
796
797#ifndef _NSIG
798# ifdef NSIG
799#  define _NSIG NSIG
800# else
801#  define _NSIG 128
802# endif
803#endif
804
805#endif /* _DEFINES_H */
806