defines.h revision 240075
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 1.169 2012/02/15 04:13:06 tim 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/* *-*-nto-qnx doesn't define this constant in the system headers */
175#ifdef MISSING_NFDBITS
176# define	NFDBITS (8 * sizeof(unsigned long))
177#endif
178
179/*
180SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
181including rpc/rpc.h breaks Solaris 6
182*/
183#ifndef INADDR_LOOPBACK
184#define INADDR_LOOPBACK ((u_long)0x7f000001)
185#endif
186
187/* Types */
188
189/* If sys/types.h does not supply intXX_t, supply them ourselves */
190/* (or die trying) */
191
192#ifndef HAVE_U_INT
193typedef unsigned int u_int;
194#endif
195
196#ifndef HAVE_INTXX_T
197typedef signed char int8_t;
198# if (SIZEOF_SHORT_INT == 2)
199typedef short int int16_t;
200# else
201#  ifdef _UNICOS
202#   if (SIZEOF_SHORT_INT == 4)
203typedef short int16_t;
204#   else
205typedef long  int16_t;
206#   endif
207#  else
208#   error "16 bit int type not found."
209#  endif /* _UNICOS */
210# endif
211# if (SIZEOF_INT == 4)
212typedef int int32_t;
213# else
214#  ifdef _UNICOS
215typedef long  int32_t;
216#  else
217#   error "32 bit int type not found."
218#  endif /* _UNICOS */
219# endif
220#endif
221
222/* If sys/types.h does not supply u_intXX_t, supply them ourselves */
223#ifndef HAVE_U_INTXX_T
224# ifdef HAVE_UINTXX_T
225typedef uint8_t u_int8_t;
226typedef uint16_t u_int16_t;
227typedef uint32_t u_int32_t;
228# define HAVE_U_INTXX_T 1
229# else
230#  if (SIZEOF_CHAR == 1)
231typedef unsigned char u_int8_t;
232#  else
233#   error "8 bit int type not found."
234#  endif
235#  if (SIZEOF_SHORT_INT == 2)
236typedef unsigned short int u_int16_t;
237#  else
238#   ifdef _UNICOS
239#    if (SIZEOF_SHORT_INT == 4)
240typedef unsigned short u_int16_t;
241#    else
242typedef unsigned long  u_int16_t;
243#    endif
244#   else
245#    error "16 bit int type not found."
246#   endif
247#  endif
248#  if (SIZEOF_INT == 4)
249typedef unsigned int u_int32_t;
250#  else
251#   ifdef _UNICOS
252typedef unsigned long  u_int32_t;
253#   else
254#    error "32 bit int type not found."
255#   endif
256#  endif
257# endif
258#define __BIT_TYPES_DEFINED__
259#endif
260
261/* 64-bit types */
262#ifndef HAVE_INT64_T
263# if (SIZEOF_LONG_INT == 8)
264typedef long int int64_t;
265# else
266#  if (SIZEOF_LONG_LONG_INT == 8)
267typedef long long int int64_t;
268#  endif
269# endif
270#endif
271#ifndef HAVE_U_INT64_T
272# if (SIZEOF_LONG_INT == 8)
273typedef unsigned long int u_int64_t;
274# else
275#  if (SIZEOF_LONG_LONG_INT == 8)
276typedef unsigned long long int u_int64_t;
277#  endif
278# endif
279#endif
280
281#ifndef HAVE_U_CHAR
282typedef unsigned char u_char;
283# define HAVE_U_CHAR
284#endif /* HAVE_U_CHAR */
285
286#ifndef SIZE_T_MAX
287#define SIZE_T_MAX ULONG_MAX
288#endif /* SIZE_T_MAX */
289
290#ifndef HAVE_SIZE_T
291typedef unsigned int size_t;
292# define HAVE_SIZE_T
293# define SIZE_T_MAX UINT_MAX
294#endif /* HAVE_SIZE_T */
295
296#ifndef SIZE_MAX
297#define SIZE_MAX SIZE_T_MAX
298#endif
299
300#ifndef HAVE_SSIZE_T
301typedef int ssize_t;
302# define HAVE_SSIZE_T
303#endif /* HAVE_SSIZE_T */
304
305#ifndef HAVE_CLOCK_T
306typedef long clock_t;
307# define HAVE_CLOCK_T
308#endif /* HAVE_CLOCK_T */
309
310#ifndef HAVE_SA_FAMILY_T
311typedef int sa_family_t;
312# define HAVE_SA_FAMILY_T
313#endif /* HAVE_SA_FAMILY_T */
314
315#ifndef HAVE_PID_T
316typedef int pid_t;
317# define HAVE_PID_T
318#endif /* HAVE_PID_T */
319
320#ifndef HAVE_SIG_ATOMIC_T
321typedef int sig_atomic_t;
322# define HAVE_SIG_ATOMIC_T
323#endif /* HAVE_SIG_ATOMIC_T */
324
325#ifndef HAVE_MODE_T
326typedef int mode_t;
327# define HAVE_MODE_T
328#endif /* HAVE_MODE_T */
329
330#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
331# define ss_family __ss_family
332#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
333
334#ifndef HAVE_SYS_UN_H
335struct	sockaddr_un {
336	short	sun_family;		/* AF_UNIX */
337	char	sun_path[108];		/* path name (gag) */
338};
339#endif /* HAVE_SYS_UN_H */
340
341#ifndef HAVE_IN_ADDR_T
342typedef u_int32_t	in_addr_t;
343#endif
344#ifndef HAVE_IN_PORT_T
345typedef u_int16_t	in_port_t;
346#endif
347
348#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
349#define _STRUCT_WINSIZE
350struct winsize {
351      unsigned short ws_row;          /* rows, in characters */
352      unsigned short ws_col;          /* columns, in character */
353      unsigned short ws_xpixel;       /* horizontal size, pixels */
354      unsigned short ws_ypixel;       /* vertical size, pixels */
355};
356#endif
357
358/* *-*-nto-qnx does not define this type in the system headers */
359#ifdef MISSING_FD_MASK
360 typedef unsigned long int	fd_mask;
361#endif
362
363/* Paths */
364
365#ifndef _PATH_BSHELL
366# define _PATH_BSHELL "/bin/sh"
367#endif
368
369#ifdef USER_PATH
370# ifdef _PATH_STDPATH
371#  undef _PATH_STDPATH
372# endif
373# define _PATH_STDPATH USER_PATH
374#endif
375
376#ifndef _PATH_STDPATH
377# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
378#endif
379
380#ifndef SUPERUSER_PATH
381# define SUPERUSER_PATH	_PATH_STDPATH
382#endif
383
384#ifndef _PATH_DEVNULL
385# define _PATH_DEVNULL "/dev/null"
386#endif
387
388/* user may have set a different path */
389#if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
390# undef _PATH_MAILDIR MAILDIR
391#endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
392
393#ifdef MAIL_DIRECTORY
394# define _PATH_MAILDIR MAIL_DIRECTORY
395#endif
396
397#ifndef _PATH_NOLOGIN
398# define _PATH_NOLOGIN "/etc/nologin"
399#endif
400
401/* Define this to be the path of the xauth program. */
402#ifdef XAUTH_PATH
403#define _PATH_XAUTH XAUTH_PATH
404#endif /* XAUTH_PATH */
405
406/* derived from XF4/xc/lib/dps/Xlibnet.h */
407#ifndef X_UNIX_PATH
408#  ifdef __hpux
409#    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
410#  else
411#    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
412#  endif
413#endif /* X_UNIX_PATH */
414#define _PATH_UNIX_X X_UNIX_PATH
415
416#ifndef _PATH_TTY
417# define _PATH_TTY "/dev/tty"
418#endif
419
420/* Macros */
421
422#if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
423# define HAVE_LOGIN_CAP
424#endif
425
426#ifndef MAX
427# define MAX(a,b) (((a)>(b))?(a):(b))
428# define MIN(a,b) (((a)<(b))?(a):(b))
429#endif
430
431#ifndef roundup
432# define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
433#endif
434
435#ifndef timersub
436#define timersub(a, b, result)					\
437   do {								\
438      (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
439      (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
440      if ((result)->tv_usec < 0) {				\
441	 --(result)->tv_sec;					\
442	 (result)->tv_usec += 1000000;				\
443      }								\
444   } while (0)
445#endif
446
447#ifndef TIMEVAL_TO_TIMESPEC
448#define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
449	(ts)->tv_sec = (tv)->tv_sec;					\
450	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
451}
452#endif
453
454#ifndef TIMESPEC_TO_TIMEVAL
455#define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
456	(tv)->tv_sec = (ts)->tv_sec;					\
457	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
458}
459#endif
460
461#ifndef __P
462# define __P(x) x
463#endif
464
465#if !defined(IN6_IS_ADDR_V4MAPPED)
466# define IN6_IS_ADDR_V4MAPPED(a) \
467	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
468	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
469#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
470
471#if !defined(__GNUC__) || (__GNUC__ < 2)
472# define __attribute__(x)
473#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
474
475#if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
476# define __sentinel__
477#endif
478
479#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
480# define __bounded__(x, y, z)
481#endif
482
483#if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
484# define __nonnull__(x)
485#endif
486
487/* *-*-nto-qnx doesn't define this macro in the system headers */
488#ifdef MISSING_HOWMANY
489# define howmany(x,y)	(((x)+((y)-1))/(y))
490#endif
491
492#ifndef OSSH_ALIGNBYTES
493#define OSSH_ALIGNBYTES	(sizeof(int) - 1)
494#endif
495#ifndef __CMSG_ALIGN
496#define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
497#endif
498
499/* Length of the contents of a control message of length len */
500#ifndef CMSG_LEN
501#define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
502#endif
503
504/* Length of the space taken up by a padded control message of length len */
505#ifndef CMSG_SPACE
506#define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
507#endif
508
509/* given pointer to struct cmsghdr, return pointer to data */
510#ifndef CMSG_DATA
511#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
512#endif /* CMSG_DATA */
513
514/*
515 * RFC 2292 requires to check msg_controllen, in case that the kernel returns
516 * an empty list for some reasons.
517 */
518#ifndef CMSG_FIRSTHDR
519#define CMSG_FIRSTHDR(mhdr) \
520	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
521	 (struct cmsghdr *)(mhdr)->msg_control : \
522	 (struct cmsghdr *)NULL)
523#endif /* CMSG_FIRSTHDR */
524
525#if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
526# define offsetof(type, member) ((size_t) &((type *)0)->member)
527#endif
528
529/* Set up BSD-style BYTE_ORDER definition if it isn't there already */
530/* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
531#ifndef BYTE_ORDER
532# ifndef LITTLE_ENDIAN
533#  define LITTLE_ENDIAN  1234
534# endif /* LITTLE_ENDIAN */
535# ifndef BIG_ENDIAN
536#  define BIG_ENDIAN     4321
537# endif /* BIG_ENDIAN */
538# ifdef WORDS_BIGENDIAN
539#  define BYTE_ORDER BIG_ENDIAN
540# else /* WORDS_BIGENDIAN */
541#  define BYTE_ORDER LITTLE_ENDIAN
542# endif /* WORDS_BIGENDIAN */
543#endif /* BYTE_ORDER */
544
545/* Function replacement / compatibility hacks */
546
547#if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
548# define HAVE_GETADDRINFO
549#endif
550
551#ifndef HAVE_GETOPT_OPTRESET
552# undef getopt
553# undef opterr
554# undef optind
555# undef optopt
556# undef optreset
557# undef optarg
558# define getopt(ac, av, o)  BSDgetopt(ac, av, o)
559# define opterr             BSDopterr
560# define optind             BSDoptind
561# define optopt             BSDoptopt
562# define optreset           BSDoptreset
563# define optarg             BSDoptarg
564#endif
565
566#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
567# undef HAVE_GETADDRINFO
568#endif
569#if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
570# undef HAVE_FREEADDRINFO
571#endif
572#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
573# undef HAVE_GAI_STRERROR
574#endif
575
576#if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
577# undef HAVE_UPDWTMPX
578#endif
579
580#if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
581# undef HAS_SHADOW_EXPIRE
582#endif
583
584#if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
585    defined(SYSLOG_R_SAFE_IN_SIGHAND)
586# define DO_LOG_SAFE_IN_SIGHAND
587#endif
588
589#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
590# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
591#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
592
593#if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
594#  define USE_VHANGUP
595#endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
596
597#ifndef GETPGRP_VOID
598# include <unistd.h>
599# define getpgrp() getpgrp(0)
600#endif
601
602#ifdef USE_BSM_AUDIT
603# define SSH_AUDIT_EVENTS
604# define CUSTOM_SSH_AUDIT_EVENTS
605#endif
606
607#ifdef USE_LINUX_AUDIT
608# define SSH_AUDIT_EVENTS
609# define CUSTOM_SSH_AUDIT_EVENTS
610#endif
611
612#if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
613#  define __func__ __FUNCTION__
614#elif !defined(HAVE___func__)
615#  define __func__ ""
616#endif
617
618#if defined(KRB5) && !defined(HEIMDAL)
619#  define krb5_get_err_text(context,code) error_message(code)
620#endif
621
622#if defined(SKEYCHALLENGE_4ARG)
623# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
624#else
625# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
626#endif
627
628/* Maximum number of file descriptors available */
629#ifdef HAVE_SYSCONF
630# define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
631#else
632# define SSH_SYSFDMAX 10000
633#endif
634
635#ifdef FSID_HAS_VAL
636/* encode f_fsid into a 64 bit value  */
637#define FSID_TO_ULONG(f) \
638	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
639	    ((f).val[1] & 0xffffffffUL))
640#elif defined(FSID_HAS___VAL)
641#define FSID_TO_ULONG(f) \
642	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
643	    ((f).__val[1] & 0xffffffffUL))
644#else
645# define FSID_TO_ULONG(f) ((f))
646#endif
647
648#if defined(__Lynx__)
649 /*
650  * LynxOS defines these in param.h which we do not want to include since
651  * it will also pull in a bunch of kernel definitions.
652  */
653# define ALIGNBYTES (sizeof(int) - 1)
654# define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
655  /* Missing prototypes on LynxOS */
656  int snprintf (char *, size_t, const char *, ...);
657  int mkstemp (char *);
658  char *crypt (const char *, const char *);
659  int seteuid (uid_t);
660  int setegid (gid_t);
661  char *mkdtemp (char *);
662  int rresvport_af (int *, sa_family_t);
663  int innetgr (const char *, const char *, const char *, const char *);
664#endif
665
666/*
667 * Define this to use pipes instead of socketpairs for communicating with the
668 * client program.  Socketpairs do not seem to work on all systems.
669 *
670 * configure.ac sets this for a few OS's which are known to have problems
671 * but you may need to set it yourself
672 */
673/* #define USE_PIPES 1 */
674
675/**
676 ** login recorder definitions
677 **/
678
679/* FIXME: put default paths back in */
680#ifndef UTMP_FILE
681#  ifdef _PATH_UTMP
682#    define UTMP_FILE _PATH_UTMP
683#  else
684#    ifdef CONF_UTMP_FILE
685#      define UTMP_FILE CONF_UTMP_FILE
686#    endif
687#  endif
688#endif
689#ifndef WTMP_FILE
690#  ifdef _PATH_WTMP
691#    define WTMP_FILE _PATH_WTMP
692#  else
693#    ifdef CONF_WTMP_FILE
694#      define WTMP_FILE CONF_WTMP_FILE
695#    endif
696#  endif
697#endif
698/* pick up the user's location for lastlog if given */
699#ifndef LASTLOG_FILE
700#  ifdef _PATH_LASTLOG
701#    define LASTLOG_FILE _PATH_LASTLOG
702#  else
703#    ifdef CONF_LASTLOG_FILE
704#      define LASTLOG_FILE CONF_LASTLOG_FILE
705#    endif
706#  endif
707#endif
708
709#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
710# define USE_SHADOW
711#endif
712
713/* The login() library function in libutil is first choice */
714#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
715#  define USE_LOGIN
716
717#else
718/* Simply select your favourite login types. */
719/* Can't do if-else because some systems use several... <sigh> */
720#  if !defined(DISABLE_UTMPX)
721#    define USE_UTMPX
722#  endif
723#  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
724#    define USE_UTMP
725#  endif
726#  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
727#    define USE_WTMPX
728#  endif
729#  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
730#    define USE_WTMP
731#  endif
732
733#endif
734
735#ifndef UT_LINESIZE
736# define UT_LINESIZE 8
737#endif
738
739/* I hope that the presence of LASTLOG_FILE is enough to detect this */
740#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
741#  define USE_LASTLOG
742#endif
743
744#ifdef HAVE_OSF_SIA
745# ifdef USE_SHADOW
746#  undef USE_SHADOW
747# endif
748# define CUSTOM_SYS_AUTH_PASSWD 1
749#endif
750
751#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
752# define CUSTOM_SYS_AUTH_PASSWD 1
753#endif
754#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
755# define USE_LIBIAF
756#endif
757
758/* HP-UX 11.11 */
759#ifdef BTMP_FILE
760# define _PATH_BTMP BTMP_FILE
761#endif
762
763#if defined(USE_BTMP) && defined(_PATH_BTMP)
764# define CUSTOM_FAILED_LOGIN
765#endif
766
767/** end of login recorder definitions */
768
769#ifdef BROKEN_GETGROUPS
770# define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
771#endif
772
773#if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
774# undef HAVE_MMAP
775#endif
776
777#ifndef IOV_MAX
778# if defined(_XOPEN_IOV_MAX)
779#  define	IOV_MAX		_XOPEN_IOV_MAX
780# elif defined(DEF_IOV_MAX)
781#  define	IOV_MAX		DEF_IOV_MAX
782# else
783#  define	IOV_MAX		16
784# endif
785#endif
786
787#ifndef EWOULDBLOCK
788# define EWOULDBLOCK EAGAIN
789#endif
790
791#ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
792#define INET6_ADDRSTRLEN 46
793#endif
794
795#ifndef SSH_IOBUFSZ
796# define SSH_IOBUFSZ 8192
797#endif
798
799#ifndef _NSIG
800# ifdef NSIG
801#  define _NSIG NSIG
802# else
803#  define _NSIG 128
804# endif
805#endif
806
807#endif /* _DEFINES_H */
808