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/* Constants */
29
30#if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0
31enum
32{
33  SHUT_RD = 0,		/* No more receptions.  */
34  SHUT_WR,			/* No more transmissions.  */
35  SHUT_RDWR			/* No more receptions or transmissions.  */
36};
37# define SHUT_RD   SHUT_RD
38# define SHUT_WR   SHUT_WR
39# define SHUT_RDWR SHUT_RDWR
40#endif
41
42/*
43 * Cygwin doesn't really have a notion of reserved ports.  It is still
44 * is useful on the client side so for compatibility it defines as 1024 via
45 * netinet/in.h inside an enum.  We * don't actually want that restriction
46 * so we want to set that to zero, but we can't do it direct in config.h
47 * because it'll cause a conflicting definition the first time we include
48 * netinet/in.h.
49 */
50
51#ifdef HAVE_CYGWIN
52#define IPPORT_RESERVED 0
53#endif
54
55/*
56 * Definitions for IP type of service (ip_tos)
57 */
58#include <netinet/in_systm.h>
59#include <netinet/ip.h>
60#ifndef IPTOS_LOWDELAY
61# define IPTOS_LOWDELAY          0x10
62# define IPTOS_THROUGHPUT        0x08
63# define IPTOS_RELIABILITY       0x04
64# define IPTOS_LOWCOST           0x02
65# define IPTOS_MINCOST           IPTOS_LOWCOST
66#endif /* IPTOS_LOWDELAY */
67
68/*
69 * Definitions for DiffServ Codepoints as per RFC2474
70 */
71#ifndef IPTOS_DSCP_AF11
72# define	IPTOS_DSCP_AF11		0x28
73# define	IPTOS_DSCP_AF12		0x30
74# define	IPTOS_DSCP_AF13		0x38
75# define	IPTOS_DSCP_AF21		0x48
76# define	IPTOS_DSCP_AF22		0x50
77# define	IPTOS_DSCP_AF23		0x58
78# define	IPTOS_DSCP_AF31		0x68
79# define	IPTOS_DSCP_AF32		0x70
80# define	IPTOS_DSCP_AF33		0x78
81# define	IPTOS_DSCP_AF41		0x88
82# define	IPTOS_DSCP_AF42		0x90
83# define	IPTOS_DSCP_AF43		0x98
84# define	IPTOS_DSCP_EF		0xb8
85#endif /* IPTOS_DSCP_AF11 */
86#ifndef IPTOS_DSCP_CS0
87# define	IPTOS_DSCP_CS0		0x00
88# define	IPTOS_DSCP_CS1		0x20
89# define	IPTOS_DSCP_CS2		0x40
90# define	IPTOS_DSCP_CS3		0x60
91# define	IPTOS_DSCP_CS4		0x80
92# define	IPTOS_DSCP_CS5		0xa0
93# define	IPTOS_DSCP_CS6		0xc0
94# define	IPTOS_DSCP_CS7		0xe0
95#endif /* IPTOS_DSCP_CS0 */
96#ifndef IPTOS_DSCP_EF
97# define	IPTOS_DSCP_EF		0xb8
98#endif /* IPTOS_DSCP_EF */
99
100#ifndef PATH_MAX
101# ifdef _POSIX_PATH_MAX
102# define PATH_MAX _POSIX_PATH_MAX
103# endif
104#endif
105
106#ifndef MAXPATHLEN
107# ifdef PATH_MAX
108#  define MAXPATHLEN PATH_MAX
109# else /* PATH_MAX */
110#  define MAXPATHLEN 64
111/* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
112#  ifndef BROKEN_REALPATH
113#   define BROKEN_REALPATH 1
114#  endif /* BROKEN_REALPATH */
115# endif /* PATH_MAX */
116#endif /* MAXPATHLEN */
117
118#ifndef HOST_NAME_MAX
119# include "netdb.h" /* for MAXHOSTNAMELEN */
120# if defined(_POSIX_HOST_NAME_MAX)
121#  define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
122# elif defined(MAXHOSTNAMELEN)
123#  define HOST_NAME_MAX MAXHOSTNAMELEN
124# else
125#  define HOST_NAME_MAX	255
126# endif
127#endif /* HOST_NAME_MAX */
128
129#if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
130# define MAXSYMLINKS 5
131#endif
132
133#ifndef STDIN_FILENO
134# define STDIN_FILENO    0
135#endif
136#ifndef STDOUT_FILENO
137# define STDOUT_FILENO   1
138#endif
139#ifndef STDERR_FILENO
140# define STDERR_FILENO   2
141#endif
142
143#ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
144#ifdef NGROUPS
145#define NGROUPS_MAX NGROUPS
146#else
147#define NGROUPS_MAX 0
148#endif
149#endif
150
151#if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
152# define O_NONBLOCK      00004	/* Non Blocking Open */
153#endif
154
155#ifndef S_IFSOCK
156# define S_IFSOCK 0
157#endif /* S_IFSOCK */
158
159#ifndef S_ISDIR
160# define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
161#endif /* S_ISDIR */
162
163#ifndef S_ISREG
164# define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
165#endif /* S_ISREG */
166
167#ifndef S_ISLNK
168# define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
169#endif /* S_ISLNK */
170
171#ifndef S_IXUSR
172# define S_IXUSR			0000100	/* execute/search permission, */
173# define S_IXGRP			0000010	/* execute/search permission, */
174# define S_IXOTH			0000001	/* execute/search permission, */
175# define _S_IWUSR			0000200	/* write permission, */
176# define S_IWUSR			_S_IWUSR	/* write permission, owner */
177# define S_IWGRP			0000020	/* write permission, group */
178# define S_IWOTH			0000002	/* write permission, other */
179# define S_IRUSR			0000400	/* read permission, owner */
180# define S_IRGRP			0000040	/* read permission, group */
181# define S_IROTH			0000004	/* read permission, other */
182# define S_IRWXU			0000700	/* read, write, execute */
183# define S_IRWXG			0000070	/* read, write, execute */
184# define S_IRWXO			0000007	/* read, write, execute */
185#endif /* S_IXUSR */
186
187#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
188#define MAP_ANON MAP_ANONYMOUS
189#endif
190
191#ifndef MAP_FAILED
192# define MAP_FAILED ((void *)-1)
193#endif
194
195/*
196SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
197including rpc/rpc.h breaks Solaris 6
198*/
199#ifndef INADDR_LOOPBACK
200#define INADDR_LOOPBACK ((u_long)0x7f000001)
201#endif
202
203/* Types */
204
205/* If sys/types.h does not supply intXX_t, supply them ourselves */
206/* (or die trying) */
207
208#ifndef HAVE_U_INT
209typedef unsigned int u_int;
210#endif
211
212#ifndef HAVE_INTXX_T
213typedef signed char int8_t;
214# if (SIZEOF_SHORT_INT == 2)
215typedef short int int16_t;
216# else
217#  ifdef _UNICOS
218#   if (SIZEOF_SHORT_INT == 4)
219typedef short int16_t;
220#   else
221typedef long  int16_t;
222#   endif
223#  else
224#   error "16 bit int type not found."
225#  endif /* _UNICOS */
226# endif
227# if (SIZEOF_INT == 4)
228typedef int int32_t;
229# else
230#  ifdef _UNICOS
231typedef long  int32_t;
232#  else
233#   error "32 bit int type not found."
234#  endif /* _UNICOS */
235# endif
236#endif
237
238/* If sys/types.h does not supply u_intXX_t, supply them ourselves */
239#ifndef HAVE_U_INTXX_T
240# ifdef HAVE_UINTXX_T
241typedef uint8_t u_int8_t;
242typedef uint16_t u_int16_t;
243typedef uint32_t u_int32_t;
244# define HAVE_U_INTXX_T 1
245# else
246typedef unsigned char u_int8_t;
247#  if (SIZEOF_SHORT_INT == 2)
248typedef unsigned short int u_int16_t;
249#  else
250#   ifdef _UNICOS
251#    if (SIZEOF_SHORT_INT == 4)
252typedef unsigned short u_int16_t;
253#    else
254typedef unsigned long  u_int16_t;
255#    endif
256#   else
257#    error "16 bit int type not found."
258#   endif
259#  endif
260#  if (SIZEOF_INT == 4)
261typedef unsigned int u_int32_t;
262#  else
263#   ifdef _UNICOS
264typedef unsigned long  u_int32_t;
265#   else
266#    error "32 bit int type not found."
267#   endif
268#  endif
269# endif
270#define __BIT_TYPES_DEFINED__
271#endif
272
273/* 64-bit types */
274#ifndef HAVE_INT64_T
275# if (SIZEOF_LONG_INT == 8)
276typedef long int int64_t;
277# else
278#  if (SIZEOF_LONG_LONG_INT == 8)
279typedef long long int int64_t;
280#  endif
281# endif
282#endif
283#ifndef HAVE_U_INT64_T
284# if (SIZEOF_LONG_INT == 8)
285typedef unsigned long int u_int64_t;
286# else
287#  if (SIZEOF_LONG_LONG_INT == 8)
288typedef unsigned long long int u_int64_t;
289#  endif
290# endif
291#endif
292
293#ifndef HAVE_UINTXX_T
294typedef u_int8_t uint8_t;
295typedef u_int16_t uint16_t;
296typedef u_int32_t uint32_t;
297typedef u_int64_t uint64_t;
298#endif
299
300#ifndef HAVE_INTMAX_T
301typedef long long intmax_t;
302#endif
303
304#ifndef HAVE_UINTMAX_T
305typedef unsigned long long uintmax_t;
306#endif
307
308#ifndef HAVE_U_CHAR
309typedef unsigned char u_char;
310# define HAVE_U_CHAR
311#endif /* HAVE_U_CHAR */
312
313#ifndef ULLONG_MAX
314# define ULLONG_MAX ((unsigned long long)-1)
315#endif
316
317#ifndef SIZE_T_MAX
318#define SIZE_T_MAX ULONG_MAX
319#endif /* SIZE_T_MAX */
320
321#ifndef HAVE_SIZE_T
322typedef unsigned int size_t;
323# define HAVE_SIZE_T
324# define SIZE_T_MAX UINT_MAX
325#endif /* HAVE_SIZE_T */
326
327#ifndef SIZE_MAX
328#define SIZE_MAX SIZE_T_MAX
329#endif
330
331#ifndef HAVE_SSIZE_T
332typedef int ssize_t;
333# define HAVE_SSIZE_T
334#endif /* HAVE_SSIZE_T */
335
336#ifndef HAVE_CLOCK_T
337typedef long clock_t;
338# define HAVE_CLOCK_T
339#endif /* HAVE_CLOCK_T */
340
341#ifndef HAVE_SA_FAMILY_T
342typedef int sa_family_t;
343# define HAVE_SA_FAMILY_T
344#endif /* HAVE_SA_FAMILY_T */
345
346#ifndef HAVE_PID_T
347typedef int pid_t;
348# define HAVE_PID_T
349#endif /* HAVE_PID_T */
350
351#ifndef HAVE_SIG_ATOMIC_T
352typedef int sig_atomic_t;
353# define HAVE_SIG_ATOMIC_T
354#endif /* HAVE_SIG_ATOMIC_T */
355
356#ifndef HAVE_MODE_T
357typedef int mode_t;
358# define HAVE_MODE_T
359#endif /* HAVE_MODE_T */
360
361#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
362# define ss_family __ss_family
363#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
364
365#ifndef HAVE_SYS_UN_H
366struct	sockaddr_un {
367	short	sun_family;		/* AF_UNIX */
368	char	sun_path[108];		/* path name (gag) */
369};
370#endif /* HAVE_SYS_UN_H */
371
372#ifndef HAVE_IN_ADDR_T
373typedef u_int32_t	in_addr_t;
374#endif
375#ifndef HAVE_IN_PORT_T
376typedef u_int16_t	in_port_t;
377#endif
378
379#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
380#define _STRUCT_WINSIZE
381struct winsize {
382      unsigned short ws_row;          /* rows, in characters */
383      unsigned short ws_col;          /* columns, in character */
384      unsigned short ws_xpixel;       /* horizontal size, pixels */
385      unsigned short ws_ypixel;       /* vertical size, pixels */
386};
387#endif
388
389/* bits needed for select that may not be in the system headers */
390#ifndef HAVE_FD_MASK
391 typedef unsigned long int	fd_mask;
392#endif
393
394#if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
395# define	NFDBITS (8 * sizeof(unsigned long))
396#endif
397
398#if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
399# define howmany(x,y)	(((x)+((y)-1))/(y))
400#endif
401
402/* Paths */
403
404#ifndef _PATH_BSHELL
405# define _PATH_BSHELL "/bin/sh"
406#endif
407
408#ifdef USER_PATH
409# ifdef _PATH_STDPATH
410#  undef _PATH_STDPATH
411# endif
412# define _PATH_STDPATH USER_PATH
413#endif
414
415#ifndef _PATH_STDPATH
416# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
417#endif
418
419#ifndef SUPERUSER_PATH
420# define SUPERUSER_PATH	_PATH_STDPATH
421#endif
422
423#ifndef _PATH_DEVNULL
424# define _PATH_DEVNULL "/dev/null"
425#endif
426
427/* user may have set a different path */
428#if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
429# undef _PATH_MAILDIR
430#endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
431
432#ifdef MAIL_DIRECTORY
433# define _PATH_MAILDIR MAIL_DIRECTORY
434#endif
435
436#ifndef _PATH_NOLOGIN
437# define _PATH_NOLOGIN "/etc/nologin"
438#endif
439
440/* Define this to be the path of the xauth program. */
441#ifdef XAUTH_PATH
442#define _PATH_XAUTH XAUTH_PATH
443#endif /* XAUTH_PATH */
444
445/* derived from XF4/xc/lib/dps/Xlibnet.h */
446#ifndef X_UNIX_PATH
447#  ifdef __hpux
448#    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
449#  else
450#    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
451#  endif
452#endif /* X_UNIX_PATH */
453#define _PATH_UNIX_X X_UNIX_PATH
454
455#ifndef _PATH_TTY
456# define _PATH_TTY "/dev/tty"
457#endif
458
459/* Macros */
460
461#if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
462# define HAVE_LOGIN_CAP
463#endif
464
465#ifndef MAX
466# define MAX(a,b) (((a)>(b))?(a):(b))
467# define MIN(a,b) (((a)<(b))?(a):(b))
468#endif
469
470#ifndef roundup
471# define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
472#endif
473
474#ifndef timersub
475#define timersub(a, b, result)					\
476   do {								\
477      (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
478      (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
479      if ((result)->tv_usec < 0) {				\
480	 --(result)->tv_sec;					\
481	 (result)->tv_usec += 1000000;				\
482      }								\
483   } while (0)
484#endif
485
486#ifndef TIMEVAL_TO_TIMESPEC
487#define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
488	(ts)->tv_sec = (tv)->tv_sec;					\
489	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
490}
491#endif
492
493#ifndef TIMESPEC_TO_TIMEVAL
494#define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
495	(tv)->tv_sec = (ts)->tv_sec;					\
496	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
497}
498#endif
499
500#ifndef __P
501# define __P(x) x
502#endif
503
504#if !defined(IN6_IS_ADDR_V4MAPPED)
505# define IN6_IS_ADDR_V4MAPPED(a) \
506	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
507	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
508#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
509
510#if !defined(__GNUC__) || (__GNUC__ < 2)
511# define __attribute__(x)
512#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
513
514#if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
515# define __sentinel__
516#endif
517
518#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
519# define __bounded__(x, y, z)
520#endif
521
522#if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
523# define __nonnull__(x)
524#endif
525
526#ifndef OSSH_ALIGNBYTES
527#define OSSH_ALIGNBYTES	(sizeof(int) - 1)
528#endif
529#ifndef __CMSG_ALIGN
530#define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
531#endif
532
533/* Length of the contents of a control message of length len */
534#ifndef CMSG_LEN
535#define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
536#endif
537
538/* Length of the space taken up by a padded control message of length len */
539#ifndef CMSG_SPACE
540#define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
541#endif
542
543/* given pointer to struct cmsghdr, return pointer to data */
544#ifndef CMSG_DATA
545#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
546#endif /* CMSG_DATA */
547
548/*
549 * RFC 2292 requires to check msg_controllen, in case that the kernel returns
550 * an empty list for some reasons.
551 */
552#ifndef CMSG_FIRSTHDR
553#define CMSG_FIRSTHDR(mhdr) \
554	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
555	 (struct cmsghdr *)(mhdr)->msg_control : \
556	 (struct cmsghdr *)NULL)
557#endif /* CMSG_FIRSTHDR */
558
559#if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
560# define offsetof(type, member) ((size_t) &((type *)0)->member)
561#endif
562
563/* Set up BSD-style BYTE_ORDER definition if it isn't there already */
564/* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
565#ifndef BYTE_ORDER
566# ifndef LITTLE_ENDIAN
567#  define LITTLE_ENDIAN  1234
568# endif /* LITTLE_ENDIAN */
569# ifndef BIG_ENDIAN
570#  define BIG_ENDIAN     4321
571# endif /* BIG_ENDIAN */
572# ifdef WORDS_BIGENDIAN
573#  define BYTE_ORDER BIG_ENDIAN
574# else /* WORDS_BIGENDIAN */
575#  define BYTE_ORDER LITTLE_ENDIAN
576# endif /* WORDS_BIGENDIAN */
577#endif /* BYTE_ORDER */
578
579/* Function replacement / compatibility hacks */
580
581#if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
582# define HAVE_GETADDRINFO
583#endif
584
585#ifndef HAVE_GETOPT_OPTRESET
586# undef getopt
587# undef opterr
588# undef optind
589# undef optopt
590# undef optreset
591# undef optarg
592# define getopt(ac, av, o)  BSDgetopt(ac, av, o)
593# define opterr             BSDopterr
594# define optind             BSDoptind
595# define optopt             BSDoptopt
596# define optreset           BSDoptreset
597# define optarg             BSDoptarg
598#endif
599
600#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
601# undef HAVE_GETADDRINFO
602#endif
603#if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
604# undef HAVE_FREEADDRINFO
605#endif
606#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
607# undef HAVE_GAI_STRERROR
608#endif
609
610#if defined(HAVE_GETADDRINFO)
611# if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0
612#   define AI_NUMERICSERV	0
613# endif
614#endif
615
616#if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
617# undef HAVE_UPDWTMPX
618#endif
619
620#if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
621# undef HAS_SHADOW_EXPIRE
622#endif
623
624#if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
625    defined(SYSLOG_R_SAFE_IN_SIGHAND)
626# define DO_LOG_SAFE_IN_SIGHAND
627#endif
628
629#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
630# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
631#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
632
633#ifndef GETPGRP_VOID
634# include <unistd.h>
635# define getpgrp() getpgrp(0)
636#endif
637
638#ifdef USE_BSM_AUDIT
639# define SSH_AUDIT_EVENTS
640# define CUSTOM_SSH_AUDIT_EVENTS
641#endif
642
643#ifdef USE_LINUX_AUDIT
644# define SSH_AUDIT_EVENTS
645# define CUSTOM_SSH_AUDIT_EVENTS
646#endif
647
648#if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
649#  define __func__ __FUNCTION__
650#elif !defined(HAVE___func__)
651#  define __func__ ""
652#endif
653
654#if defined(KRB5) && !defined(HEIMDAL)
655#  define krb5_get_err_text(context,code) error_message(code)
656#endif
657
658#if defined(SKEYCHALLENGE_4ARG)
659# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
660#else
661# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
662#endif
663
664/* Maximum number of file descriptors available */
665#ifdef HAVE_SYSCONF
666# define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
667#else
668# define SSH_SYSFDMAX 10000
669#endif
670
671#ifdef FSID_HAS_VAL
672/* encode f_fsid into a 64 bit value  */
673#define FSID_TO_ULONG(f) \
674	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
675	    ((f).val[1] & 0xffffffffUL))
676#elif defined(FSID_HAS___VAL)
677#define FSID_TO_ULONG(f) \
678	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
679	    ((f).__val[1] & 0xffffffffUL))
680#else
681# define FSID_TO_ULONG(f) ((f))
682#endif
683
684#if defined(__Lynx__)
685 /*
686  * LynxOS defines these in param.h which we do not want to include since
687  * it will also pull in a bunch of kernel definitions.
688  */
689# define ALIGNBYTES (sizeof(int) - 1)
690# define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
691  /* Missing prototypes on LynxOS */
692  int snprintf (char *, size_t, const char *, ...);
693  int mkstemp (char *);
694  char *crypt (const char *, const char *);
695  int seteuid (uid_t);
696  int setegid (gid_t);
697  char *mkdtemp (char *);
698  int rresvport_af (int *, sa_family_t);
699  int innetgr (const char *, const char *, const char *, const char *);
700#endif
701
702/*
703 * Define this to use pipes instead of socketpairs for communicating with the
704 * client program.  Socketpairs do not seem to work on all systems.
705 *
706 * configure.ac sets this for a few OS's which are known to have problems
707 * but you may need to set it yourself
708 */
709/* #define USE_PIPES 1 */
710
711/**
712 ** login recorder definitions
713 **/
714
715/* FIXME: put default paths back in */
716#ifndef UTMP_FILE
717#  ifdef _PATH_UTMP
718#    define UTMP_FILE _PATH_UTMP
719#  else
720#    ifdef CONF_UTMP_FILE
721#      define UTMP_FILE CONF_UTMP_FILE
722#    endif
723#  endif
724#endif
725#ifndef WTMP_FILE
726#  ifdef _PATH_WTMP
727#    define WTMP_FILE _PATH_WTMP
728#  else
729#    ifdef CONF_WTMP_FILE
730#      define WTMP_FILE CONF_WTMP_FILE
731#    endif
732#  endif
733#endif
734/* pick up the user's location for lastlog if given */
735#ifndef LASTLOG_FILE
736#  ifdef _PATH_LASTLOG
737#    define LASTLOG_FILE _PATH_LASTLOG
738#  else
739#    ifdef CONF_LASTLOG_FILE
740#      define LASTLOG_FILE CONF_LASTLOG_FILE
741#    endif
742#  endif
743#endif
744
745#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
746# define USE_SHADOW
747#endif
748
749/* The login() library function in libutil is first choice */
750#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
751#  define USE_LOGIN
752
753#else
754/* Simply select your favourite login types. */
755/* Can't do if-else because some systems use several... <sigh> */
756#  if !defined(DISABLE_UTMPX)
757#    define USE_UTMPX
758#  endif
759#  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
760#    define USE_UTMP
761#  endif
762#  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
763#    define USE_WTMPX
764#  endif
765#  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
766#    define USE_WTMP
767#  endif
768
769#endif
770
771#ifndef UT_LINESIZE
772# define UT_LINESIZE 8
773#endif
774
775/* I hope that the presence of LASTLOG_FILE is enough to detect this */
776#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
777#  define USE_LASTLOG
778#endif
779
780#ifdef HAVE_OSF_SIA
781# ifdef USE_SHADOW
782#  undef USE_SHADOW
783# endif
784# define CUSTOM_SYS_AUTH_PASSWD 1
785#endif
786
787#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
788# define CUSTOM_SYS_AUTH_PASSWD 1
789#endif
790#if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
791# define USE_LIBIAF
792#endif
793
794/* HP-UX 11.11 */
795#ifdef BTMP_FILE
796# define _PATH_BTMP BTMP_FILE
797#endif
798
799#if defined(USE_BTMP) && defined(_PATH_BTMP)
800# define CUSTOM_FAILED_LOGIN
801#endif
802
803/** end of login recorder definitions */
804
805#ifdef BROKEN_GETGROUPS
806# define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
807#endif
808
809#if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
810# undef HAVE_MMAP
811#endif
812
813#ifndef IOV_MAX
814# if defined(_XOPEN_IOV_MAX)
815#  define	IOV_MAX		_XOPEN_IOV_MAX
816# elif defined(DEF_IOV_MAX)
817#  define	IOV_MAX		DEF_IOV_MAX
818# else
819#  define	IOV_MAX		16
820# endif
821#endif
822
823#ifndef EWOULDBLOCK
824# define EWOULDBLOCK EAGAIN
825#endif
826
827#ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
828#define INET6_ADDRSTRLEN 46
829#endif
830
831#ifndef SSH_IOBUFSZ
832# define SSH_IOBUFSZ 8192
833#endif
834
835/*
836 * We want functions in openbsd-compat, if enabled, to override system ones.
837 * We no-op out the weak symbol definition rather than remove it to reduce
838 * future sync problems.
839 */
840#define DEF_WEAK(x)
841
842/*
843 * Platforms that have arc4random_uniform() and not arc4random_stir()
844 * shouldn't need the latter.
845 */
846#if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
847    !defined(HAVE_ARC4RANDOM_STIR)
848# define arc4random_stir()
849#endif
850
851#ifndef HAVE_VA_COPY
852# ifdef HAVE___VA_COPY
853#  define va_copy(dest, src) __va_copy(dest, src)
854# else
855#  define va_copy(dest, src) (dest) = (src)
856# endif
857#endif
858
859#ifndef __predict_true
860# if defined(__GNUC__) && \
861     ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
862#  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
863#  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
864# else
865#  define __predict_true(exp)     ((exp) != 0)
866#  define __predict_false(exp)    ((exp) != 0)
867# endif /* gcc version */
868#endif /* __predict_true */
869
870#if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \
871    defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \
872    defined(HAVE_DECL_GLOB_NOMATCH) &&  HAVE_DECL_GLOB_NOMATCH != 0 && \
873    !defined(BROKEN_GLOB)
874# define USE_SYSTEM_GLOB
875#endif
876
877#endif /* _DEFINES_H */
878