defines.h revision 323129
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 1.183 2014/09/02 19:33:26 djm 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 * Cygwin doesn't really have a notion of reserved ports.  It is still
47 * is useful on the client side so for compatibility it defines as 1024 via
48 * netinet/in.h inside an enum.  We * don't actually want that restriction
49 * so we want to set that to zero, but we can't do it direct in config.h
50 * because it'll cause a conflicting definition the first time we include
51 * netinet/in.h.
52 */
53
54#ifdef HAVE_CYGWIN
55#define IPPORT_RESERVED 0
56#endif
57
58/*
59 * Definitions for IP type of service (ip_tos)
60 */
61#include <netinet/in_systm.h>
62#include <netinet/ip.h>
63#ifndef IPTOS_LOWDELAY
64# define IPTOS_LOWDELAY          0x10
65# define IPTOS_THROUGHPUT        0x08
66# define IPTOS_RELIABILITY       0x04
67# define IPTOS_LOWCOST           0x02
68# define IPTOS_MINCOST           IPTOS_LOWCOST
69#endif /* IPTOS_LOWDELAY */
70
71/*
72 * Definitions for DiffServ Codepoints as per RFC2474
73 */
74#ifndef IPTOS_DSCP_AF11
75# define	IPTOS_DSCP_AF11		0x28
76# define	IPTOS_DSCP_AF12		0x30
77# define	IPTOS_DSCP_AF13		0x38
78# define	IPTOS_DSCP_AF21		0x48
79# define	IPTOS_DSCP_AF22		0x50
80# define	IPTOS_DSCP_AF23		0x58
81# define	IPTOS_DSCP_AF31		0x68
82# define	IPTOS_DSCP_AF32		0x70
83# define	IPTOS_DSCP_AF33		0x78
84# define	IPTOS_DSCP_AF41		0x88
85# define	IPTOS_DSCP_AF42		0x90
86# define	IPTOS_DSCP_AF43		0x98
87# define	IPTOS_DSCP_EF		0xb8
88#endif /* IPTOS_DSCP_AF11 */
89#ifndef IPTOS_DSCP_CS0
90# define	IPTOS_DSCP_CS0		0x00
91# define	IPTOS_DSCP_CS1		0x20
92# define	IPTOS_DSCP_CS2		0x40
93# define	IPTOS_DSCP_CS3		0x60
94# define	IPTOS_DSCP_CS4		0x80
95# define	IPTOS_DSCP_CS5		0xa0
96# define	IPTOS_DSCP_CS6		0xc0
97# define	IPTOS_DSCP_CS7		0xe0
98#endif /* IPTOS_DSCP_CS0 */
99#ifndef IPTOS_DSCP_EF
100# define	IPTOS_DSCP_EF		0xb8
101#endif /* IPTOS_DSCP_EF */
102
103#ifndef PATH_MAX
104# ifdef _POSIX_PATH_MAX
105# define PATH_MAX _POSIX_PATH_MAX
106# endif
107#endif
108
109#ifndef MAXPATHLEN
110# ifdef PATH_MAX
111#  define MAXPATHLEN PATH_MAX
112# else /* PATH_MAX */
113#  define MAXPATHLEN 64
114/* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
115#  ifndef BROKEN_REALPATH
116#   define BROKEN_REALPATH 1
117#  endif /* BROKEN_REALPATH */
118# endif /* PATH_MAX */
119#endif /* MAXPATHLEN */
120
121#ifndef HOST_NAME_MAX
122# include "netdb.h" /* for MAXHOSTNAMELEN */
123# if defined(_POSIX_HOST_NAME_MAX)
124#  define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
125# elif defined(MAXHOSTNAMELEN)
126#  define HOST_NAME_MAX MAXHOSTNAMELEN
127# else
128#  define HOST_NAME_MAX	255
129# endif
130#endif /* HOST_NAME_MAX */
131
132#if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
133# define MAXSYMLINKS 5
134#endif
135
136#ifndef STDIN_FILENO
137# define STDIN_FILENO    0
138#endif
139#ifndef STDOUT_FILENO
140# define STDOUT_FILENO   1
141#endif
142#ifndef STDERR_FILENO
143# define STDERR_FILENO   2
144#endif
145
146#ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
147#ifdef NGROUPS
148#define NGROUPS_MAX NGROUPS
149#else
150#define NGROUPS_MAX 0
151#endif
152#endif
153
154#if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
155# define O_NONBLOCK      00004	/* Non Blocking Open */
156#endif
157
158#ifndef S_IFSOCK
159# define S_IFSOCK 0
160#endif /* S_IFSOCK */
161
162#ifndef S_ISDIR
163# define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
164#endif /* S_ISDIR */
165
166#ifndef S_ISREG
167# define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
168#endif /* S_ISREG */
169
170#ifndef S_ISLNK
171# define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
172#endif /* S_ISLNK */
173
174#ifndef S_IXUSR
175# define S_IXUSR			0000100	/* execute/search permission, */
176# define S_IXGRP			0000010	/* execute/search permission, */
177# define S_IXOTH			0000001	/* execute/search permission, */
178# define _S_IWUSR			0000200	/* write permission, */
179# define S_IWUSR			_S_IWUSR	/* write permission, owner */
180# define S_IWGRP			0000020	/* write permission, group */
181# define S_IWOTH			0000002	/* write permission, other */
182# define S_IRUSR			0000400	/* read permission, owner */
183# define S_IRGRP			0000040	/* read permission, group */
184# define S_IROTH			0000004	/* read permission, other */
185# define S_IRWXU			0000700	/* read, write, execute */
186# define S_IRWXG			0000070	/* read, write, execute */
187# define S_IRWXO			0000007	/* read, write, execute */
188#endif /* S_IXUSR */
189
190#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
191#define MAP_ANON MAP_ANONYMOUS
192#endif
193
194#ifndef MAP_FAILED
195# define MAP_FAILED ((void *)-1)
196#endif
197
198/*
199SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
200including rpc/rpc.h breaks Solaris 6
201*/
202#ifndef INADDR_LOOPBACK
203#define INADDR_LOOPBACK ((u_long)0x7f000001)
204#endif
205
206/* Types */
207
208/* If sys/types.h does not supply intXX_t, supply them ourselves */
209/* (or die trying) */
210
211#ifndef HAVE_U_INT
212typedef unsigned int u_int;
213#endif
214
215#ifndef HAVE_INTXX_T
216typedef signed char int8_t;
217# if (SIZEOF_SHORT_INT == 2)
218typedef short int int16_t;
219# else
220#  ifdef _UNICOS
221#   if (SIZEOF_SHORT_INT == 4)
222typedef short int16_t;
223#   else
224typedef long  int16_t;
225#   endif
226#  else
227#   error "16 bit int type not found."
228#  endif /* _UNICOS */
229# endif
230# if (SIZEOF_INT == 4)
231typedef int int32_t;
232# else
233#  ifdef _UNICOS
234typedef long  int32_t;
235#  else
236#   error "32 bit int type not found."
237#  endif /* _UNICOS */
238# endif
239#endif
240
241/* If sys/types.h does not supply u_intXX_t, supply them ourselves */
242#ifndef HAVE_U_INTXX_T
243# ifdef HAVE_UINTXX_T
244typedef uint8_t u_int8_t;
245typedef uint16_t u_int16_t;
246typedef uint32_t u_int32_t;
247# define HAVE_U_INTXX_T 1
248# else
249typedef unsigned char u_int8_t;
250#  if (SIZEOF_SHORT_INT == 2)
251typedef unsigned short int u_int16_t;
252#  else
253#   ifdef _UNICOS
254#    if (SIZEOF_SHORT_INT == 4)
255typedef unsigned short u_int16_t;
256#    else
257typedef unsigned long  u_int16_t;
258#    endif
259#   else
260#    error "16 bit int type not found."
261#   endif
262#  endif
263#  if (SIZEOF_INT == 4)
264typedef unsigned int u_int32_t;
265#  else
266#   ifdef _UNICOS
267typedef unsigned long  u_int32_t;
268#   else
269#    error "32 bit int type not found."
270#   endif
271#  endif
272# endif
273#define __BIT_TYPES_DEFINED__
274#endif
275
276/* 64-bit types */
277#ifndef HAVE_INT64_T
278# if (SIZEOF_LONG_INT == 8)
279typedef long int int64_t;
280# else
281#  if (SIZEOF_LONG_LONG_INT == 8)
282typedef long long int int64_t;
283#  endif
284# endif
285#endif
286#ifndef HAVE_U_INT64_T
287# if (SIZEOF_LONG_INT == 8)
288typedef unsigned long int u_int64_t;
289# else
290#  if (SIZEOF_LONG_LONG_INT == 8)
291typedef unsigned long long int u_int64_t;
292#  endif
293# endif
294#endif
295
296#ifndef HAVE_UINTXX_T
297typedef u_int8_t uint8_t;
298typedef u_int16_t uint16_t;
299typedef u_int32_t uint32_t;
300typedef u_int64_t uint64_t;
301#endif
302
303#ifndef HAVE_INTMAX_T
304typedef long long intmax_t;
305#endif
306
307#ifndef HAVE_UINTMAX_T
308typedef unsigned long long uintmax_t;
309#endif
310
311#ifndef HAVE_U_CHAR
312typedef unsigned char u_char;
313# define HAVE_U_CHAR
314#endif /* HAVE_U_CHAR */
315
316#ifndef ULLONG_MAX
317# define ULLONG_MAX ((unsigned long long)-1)
318#endif
319
320#ifndef SIZE_T_MAX
321#define SIZE_T_MAX ULONG_MAX
322#endif /* SIZE_T_MAX */
323
324#ifndef HAVE_SIZE_T
325typedef unsigned int size_t;
326# define HAVE_SIZE_T
327# define SIZE_T_MAX UINT_MAX
328#endif /* HAVE_SIZE_T */
329
330#ifndef SIZE_MAX
331#define SIZE_MAX SIZE_T_MAX
332#endif
333
334#ifndef HAVE_SSIZE_T
335typedef int ssize_t;
336# define HAVE_SSIZE_T
337#endif /* HAVE_SSIZE_T */
338
339#ifndef HAVE_CLOCK_T
340typedef long clock_t;
341# define HAVE_CLOCK_T
342#endif /* HAVE_CLOCK_T */
343
344#ifndef HAVE_SA_FAMILY_T
345typedef int sa_family_t;
346# define HAVE_SA_FAMILY_T
347#endif /* HAVE_SA_FAMILY_T */
348
349#ifndef HAVE_PID_T
350typedef int pid_t;
351# define HAVE_PID_T
352#endif /* HAVE_PID_T */
353
354#ifndef HAVE_SIG_ATOMIC_T
355typedef int sig_atomic_t;
356# define HAVE_SIG_ATOMIC_T
357#endif /* HAVE_SIG_ATOMIC_T */
358
359#ifndef HAVE_MODE_T
360typedef int mode_t;
361# define HAVE_MODE_T
362#endif /* HAVE_MODE_T */
363
364#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
365# define ss_family __ss_family
366#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
367
368#ifndef HAVE_SYS_UN_H
369struct	sockaddr_un {
370	short	sun_family;		/* AF_UNIX */
371	char	sun_path[108];		/* path name (gag) */
372};
373#endif /* HAVE_SYS_UN_H */
374
375#ifndef HAVE_IN_ADDR_T
376typedef u_int32_t	in_addr_t;
377#endif
378#ifndef HAVE_IN_PORT_T
379typedef u_int16_t	in_port_t;
380#endif
381
382#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
383#define _STRUCT_WINSIZE
384struct winsize {
385      unsigned short ws_row;          /* rows, in characters */
386      unsigned short ws_col;          /* columns, in character */
387      unsigned short ws_xpixel;       /* horizontal size, pixels */
388      unsigned short ws_ypixel;       /* vertical size, pixels */
389};
390#endif
391
392/* bits needed for select that may not be in the system headers */
393#ifndef HAVE_FD_MASK
394 typedef unsigned long int	fd_mask;
395#endif
396
397#if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
398# define	NFDBITS (8 * sizeof(unsigned long))
399#endif
400
401#if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
402# define howmany(x,y)	(((x)+((y)-1))/(y))
403#endif
404
405/* Paths */
406
407#ifndef _PATH_BSHELL
408# define _PATH_BSHELL "/bin/sh"
409#endif
410
411#ifdef USER_PATH
412# ifdef _PATH_STDPATH
413#  undef _PATH_STDPATH
414# endif
415# define _PATH_STDPATH USER_PATH
416#endif
417
418#ifndef _PATH_STDPATH
419# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
420#endif
421
422#ifndef SUPERUSER_PATH
423# define SUPERUSER_PATH	_PATH_STDPATH
424#endif
425
426#ifndef _PATH_DEVNULL
427# define _PATH_DEVNULL "/dev/null"
428#endif
429
430/* user may have set a different path */
431#if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
432# undef _PATH_MAILDIR
433#endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
434
435#ifdef MAIL_DIRECTORY
436# define _PATH_MAILDIR MAIL_DIRECTORY
437#endif
438
439#ifndef _PATH_NOLOGIN
440# define _PATH_NOLOGIN "/etc/nologin"
441#endif
442
443/* Define this to be the path of the xauth program. */
444#ifdef XAUTH_PATH
445#define _PATH_XAUTH XAUTH_PATH
446#endif /* XAUTH_PATH */
447
448/* derived from XF4/xc/lib/dps/Xlibnet.h */
449#ifndef X_UNIX_PATH
450#  ifdef __hpux
451#    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
452#  else
453#    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
454#  endif
455#endif /* X_UNIX_PATH */
456#define _PATH_UNIX_X X_UNIX_PATH
457
458#ifndef _PATH_TTY
459# define _PATH_TTY "/dev/tty"
460#endif
461
462/* Macros */
463
464#if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
465# define HAVE_LOGIN_CAP
466#endif
467
468#ifndef MAX
469# define MAX(a,b) (((a)>(b))?(a):(b))
470# define MIN(a,b) (((a)<(b))?(a):(b))
471#endif
472
473#ifndef roundup
474# define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
475#endif
476
477#ifndef timersub
478#define timersub(a, b, result)					\
479   do {								\
480      (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
481      (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
482      if ((result)->tv_usec < 0) {				\
483	 --(result)->tv_sec;					\
484	 (result)->tv_usec += 1000000;				\
485      }								\
486   } while (0)
487#endif
488
489#ifndef TIMEVAL_TO_TIMESPEC
490#define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
491	(ts)->tv_sec = (tv)->tv_sec;					\
492	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
493}
494#endif
495
496#ifndef TIMESPEC_TO_TIMEVAL
497#define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
498	(tv)->tv_sec = (ts)->tv_sec;					\
499	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
500}
501#endif
502
503#ifndef __P
504# define __P(x) x
505#endif
506
507#if !defined(IN6_IS_ADDR_V4MAPPED)
508# define IN6_IS_ADDR_V4MAPPED(a) \
509	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
510	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
511#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
512
513#if !defined(__GNUC__) || (__GNUC__ < 2)
514# define __attribute__(x)
515#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
516
517#if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
518# define __sentinel__
519#endif
520
521#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
522# define __bounded__(x, y, z)
523#endif
524
525#if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
526# define __nonnull__(x)
527#endif
528
529#ifndef OSSH_ALIGNBYTES
530#define OSSH_ALIGNBYTES	(sizeof(int) - 1)
531#endif
532#ifndef __CMSG_ALIGN
533#define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
534#endif
535
536/* Length of the contents of a control message of length len */
537#ifndef CMSG_LEN
538#define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
539#endif
540
541/* Length of the space taken up by a padded control message of length len */
542#ifndef CMSG_SPACE
543#define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
544#endif
545
546/* given pointer to struct cmsghdr, return pointer to data */
547#ifndef CMSG_DATA
548#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
549#endif /* CMSG_DATA */
550
551/*
552 * RFC 2292 requires to check msg_controllen, in case that the kernel returns
553 * an empty list for some reasons.
554 */
555#ifndef CMSG_FIRSTHDR
556#define CMSG_FIRSTHDR(mhdr) \
557	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
558	 (struct cmsghdr *)(mhdr)->msg_control : \
559	 (struct cmsghdr *)NULL)
560#endif /* CMSG_FIRSTHDR */
561
562#if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
563# define offsetof(type, member) ((size_t) &((type *)0)->member)
564#endif
565
566/* Set up BSD-style BYTE_ORDER definition if it isn't there already */
567/* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
568#ifndef BYTE_ORDER
569# ifndef LITTLE_ENDIAN
570#  define LITTLE_ENDIAN  1234
571# endif /* LITTLE_ENDIAN */
572# ifndef BIG_ENDIAN
573#  define BIG_ENDIAN     4321
574# endif /* BIG_ENDIAN */
575# ifdef WORDS_BIGENDIAN
576#  define BYTE_ORDER BIG_ENDIAN
577# else /* WORDS_BIGENDIAN */
578#  define BYTE_ORDER LITTLE_ENDIAN
579# endif /* WORDS_BIGENDIAN */
580#endif /* BYTE_ORDER */
581
582/* Function replacement / compatibility hacks */
583
584#if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
585# define HAVE_GETADDRINFO
586#endif
587
588#ifndef HAVE_GETOPT_OPTRESET
589# undef getopt
590# undef opterr
591# undef optind
592# undef optopt
593# undef optreset
594# undef optarg
595# define getopt(ac, av, o)  BSDgetopt(ac, av, o)
596# define opterr             BSDopterr
597# define optind             BSDoptind
598# define optopt             BSDoptopt
599# define optreset           BSDoptreset
600# define optarg             BSDoptarg
601#endif
602
603#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
604# undef HAVE_GETADDRINFO
605#endif
606#if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
607# undef HAVE_FREEADDRINFO
608#endif
609#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
610# undef HAVE_GAI_STRERROR
611#endif
612
613#if defined(HAVE_GETADDRINFO)
614# if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0
615#   define AI_NUMERICSERV	0
616# endif
617#endif
618
619#if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
620# undef HAVE_UPDWTMPX
621#endif
622
623#if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
624# undef HAS_SHADOW_EXPIRE
625#endif
626
627#if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
628    defined(SYSLOG_R_SAFE_IN_SIGHAND)
629# define DO_LOG_SAFE_IN_SIGHAND
630#endif
631
632#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
633# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
634#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
635
636#ifndef GETPGRP_VOID
637# include <unistd.h>
638# define getpgrp() getpgrp(0)
639#endif
640
641#ifdef USE_BSM_AUDIT
642# define SSH_AUDIT_EVENTS
643# define CUSTOM_SSH_AUDIT_EVENTS
644#endif
645
646#ifdef USE_LINUX_AUDIT
647# define SSH_AUDIT_EVENTS
648# define CUSTOM_SSH_AUDIT_EVENTS
649#endif
650
651#if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
652#  define __func__ __FUNCTION__
653#elif !defined(HAVE___func__)
654#  define __func__ ""
655#endif
656
657#if defined(KRB5) && !defined(HEIMDAL)
658#  define krb5_get_err_text(context,code) error_message(code)
659#endif
660
661#if defined(SKEYCHALLENGE_4ARG)
662# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
663#else
664# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
665#endif
666
667/* Maximum number of file descriptors available */
668#ifdef HAVE_SYSCONF
669# define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
670#else
671# define SSH_SYSFDMAX 10000
672#endif
673
674#ifdef FSID_HAS_VAL
675/* encode f_fsid into a 64 bit value  */
676#define FSID_TO_ULONG(f) \
677	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
678	    ((f).val[1] & 0xffffffffUL))
679#elif defined(FSID_HAS___VAL)
680#define FSID_TO_ULONG(f) \
681	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
682	    ((f).__val[1] & 0xffffffffUL))
683#else
684# define FSID_TO_ULONG(f) ((f))
685#endif
686
687#if defined(__Lynx__)
688 /*
689  * LynxOS defines these in param.h which we do not want to include since
690  * it will also pull in a bunch of kernel definitions.
691  */
692# define ALIGNBYTES (sizeof(int) - 1)
693# define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
694  /* Missing prototypes on LynxOS */
695  int snprintf (char *, size_t, const char *, ...);
696  int mkstemp (char *);
697  char *crypt (const char *, const char *);
698  int seteuid (uid_t);
699  int setegid (gid_t);
700  char *mkdtemp (char *);
701  int rresvport_af (int *, sa_family_t);
702  int innetgr (const char *, const char *, const char *, const char *);
703#endif
704
705/*
706 * Define this to use pipes instead of socketpairs for communicating with the
707 * client program.  Socketpairs do not seem to work on all systems.
708 *
709 * configure.ac sets this for a few OS's which are known to have problems
710 * but you may need to set it yourself
711 */
712/* #define USE_PIPES 1 */
713
714/**
715 ** login recorder definitions
716 **/
717
718/* FIXME: put default paths back in */
719#ifndef UTMP_FILE
720#  ifdef _PATH_UTMP
721#    define UTMP_FILE _PATH_UTMP
722#  else
723#    ifdef CONF_UTMP_FILE
724#      define UTMP_FILE CONF_UTMP_FILE
725#    endif
726#  endif
727#endif
728#ifndef WTMP_FILE
729#  ifdef _PATH_WTMP
730#    define WTMP_FILE _PATH_WTMP
731#  else
732#    ifdef CONF_WTMP_FILE
733#      define WTMP_FILE CONF_WTMP_FILE
734#    endif
735#  endif
736#endif
737/* pick up the user's location for lastlog if given */
738#ifndef LASTLOG_FILE
739#  ifdef _PATH_LASTLOG
740#    define LASTLOG_FILE _PATH_LASTLOG
741#  else
742#    ifdef CONF_LASTLOG_FILE
743#      define LASTLOG_FILE CONF_LASTLOG_FILE
744#    endif
745#  endif
746#endif
747
748#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
749# define USE_SHADOW
750#endif
751
752/* The login() library function in libutil is first choice */
753#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
754#  define USE_LOGIN
755
756#else
757/* Simply select your favourite login types. */
758/* Can't do if-else because some systems use several... <sigh> */
759#  if !defined(DISABLE_UTMPX)
760#    define USE_UTMPX
761#  endif
762#  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
763#    define USE_UTMP
764#  endif
765#  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
766#    define USE_WTMPX
767#  endif
768#  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
769#    define USE_WTMP
770#  endif
771
772#endif
773
774#ifndef UT_LINESIZE
775# define UT_LINESIZE 8
776#endif
777
778/* I hope that the presence of LASTLOG_FILE is enough to detect this */
779#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
780#  define USE_LASTLOG
781#endif
782
783#ifdef HAVE_OSF_SIA
784# ifdef USE_SHADOW
785#  undef USE_SHADOW
786# endif
787# define CUSTOM_SYS_AUTH_PASSWD 1
788#endif
789
790#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
791# define CUSTOM_SYS_AUTH_PASSWD 1
792#endif
793#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
794# define USE_LIBIAF
795#endif
796
797/* HP-UX 11.11 */
798#ifdef BTMP_FILE
799# define _PATH_BTMP BTMP_FILE
800#endif
801
802#if defined(USE_BTMP) && defined(_PATH_BTMP)
803# define CUSTOM_FAILED_LOGIN
804#endif
805
806/** end of login recorder definitions */
807
808#ifdef BROKEN_GETGROUPS
809# define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
810#endif
811
812#if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
813# undef HAVE_MMAP
814#endif
815
816#ifndef IOV_MAX
817# if defined(_XOPEN_IOV_MAX)
818#  define	IOV_MAX		_XOPEN_IOV_MAX
819# elif defined(DEF_IOV_MAX)
820#  define	IOV_MAX		DEF_IOV_MAX
821# else
822#  define	IOV_MAX		16
823# endif
824#endif
825
826#ifndef EWOULDBLOCK
827# define EWOULDBLOCK EAGAIN
828#endif
829
830#ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
831#define INET6_ADDRSTRLEN 46
832#endif
833
834#ifndef SSH_IOBUFSZ
835# define SSH_IOBUFSZ 8192
836#endif
837
838/*
839 * Platforms that have arc4random_uniform() and not arc4random_stir()
840 * shouldn't need the latter.
841 */
842#if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
843    !defined(HAVE_ARC4RANDOM_STIR)
844# define arc4random_stir()
845#endif
846
847#ifndef HAVE_VA_COPY
848# ifdef HAVE___VA_COPY
849#  define va_copy(dest, src) __va_copy(dest, src)
850# else
851#  define va_copy(dest, src) (dest) = (src)
852# endif
853#endif
854
855#ifndef __predict_true
856# if defined(__GNUC__) && \
857     ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
858#  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
859#  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
860# else
861#  define __predict_true(exp)     ((exp) != 0)
862#  define __predict_false(exp)    ((exp) != 0)
863# endif /* gcc version */
864#endif /* __predict_true */
865
866#if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \
867    defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \
868    defined(HAVE_DECL_GLOB_NOMATCH) &&  HAVE_DECL_GLOB_NOMATCH != 0 && \
869    !defined(BROKEN_GLOB)
870# define USE_SYSTEM_GLOB
871#endif
872
873#endif /* _DEFINES_H */
874