xref: /freebsd/crypto/openssh/defines.h (revision 21d30ec18d673020b701750a4d498a4e75cde516)
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 1.160 2010/04/09 08:13:27 dtucker Exp $ */
29 
30 
31 /* Constants */
32 
33 #if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0
34 enum
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 #ifndef IPTOS_LOWDELAY
46 # define IPTOS_LOWDELAY          0x10
47 # define IPTOS_THROUGHPUT        0x08
48 # define IPTOS_RELIABILITY       0x04
49 # define IPTOS_LOWCOST           0x02
50 # define IPTOS_MINCOST           IPTOS_LOWCOST
51 #endif /* IPTOS_LOWDELAY */
52 
53 #ifndef MAXPATHLEN
54 # ifdef PATH_MAX
55 #  define MAXPATHLEN PATH_MAX
56 # else /* PATH_MAX */
57 #  define MAXPATHLEN 64
58 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
59 #  ifndef BROKEN_REALPATH
60 #   define BROKEN_REALPATH 1
61 #  endif /* BROKEN_REALPATH */
62 # endif /* PATH_MAX */
63 #endif /* MAXPATHLEN */
64 
65 #ifndef PATH_MAX
66 # ifdef _POSIX_PATH_MAX
67 # define PATH_MAX _POSIX_PATH_MAX
68 # endif
69 #endif
70 
71 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
72 # define MAXSYMLINKS 5
73 #endif
74 
75 #ifndef STDIN_FILENO
76 # define STDIN_FILENO    0
77 #endif
78 #ifndef STDOUT_FILENO
79 # define STDOUT_FILENO   1
80 #endif
81 #ifndef STDERR_FILENO
82 # define STDERR_FILENO   2
83 #endif
84 
85 #ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
86 #ifdef NGROUPS
87 #define NGROUPS_MAX NGROUPS
88 #else
89 #define NGROUPS_MAX 0
90 #endif
91 #endif
92 
93 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
94 # define O_NONBLOCK      00004	/* Non Blocking Open */
95 #endif
96 
97 #ifndef S_ISDIR
98 # define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
99 #endif /* S_ISDIR */
100 
101 #ifndef S_ISREG
102 # define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
103 #endif /* S_ISREG */
104 
105 #ifndef S_ISLNK
106 # define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
107 #endif /* S_ISLNK */
108 
109 #ifndef S_IXUSR
110 # define S_IXUSR			0000100	/* execute/search permission, */
111 # define S_IXGRP			0000010	/* execute/search permission, */
112 # define S_IXOTH			0000001	/* execute/search permission, */
113 # define _S_IWUSR			0000200	/* write permission, */
114 # define S_IWUSR			_S_IWUSR	/* write permission, owner */
115 # define S_IWGRP			0000020	/* write permission, group */
116 # define S_IWOTH			0000002	/* write permission, other */
117 # define S_IRUSR			0000400	/* read permission, owner */
118 # define S_IRGRP			0000040	/* read permission, group */
119 # define S_IROTH			0000004	/* read permission, other */
120 # define S_IRWXU			0000700	/* read, write, execute */
121 # define S_IRWXG			0000070	/* read, write, execute */
122 # define S_IRWXO			0000007	/* read, write, execute */
123 #endif /* S_IXUSR */
124 
125 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
126 #define MAP_ANON MAP_ANONYMOUS
127 #endif
128 
129 #ifndef MAP_FAILED
130 # define MAP_FAILED ((void *)-1)
131 #endif
132 
133 /* *-*-nto-qnx doesn't define this constant in the system headers */
134 #ifdef MISSING_NFDBITS
135 # define	NFDBITS (8 * sizeof(unsigned long))
136 #endif
137 
138 /*
139 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
140 including rpc/rpc.h breaks Solaris 6
141 */
142 #ifndef INADDR_LOOPBACK
143 #define INADDR_LOOPBACK ((u_long)0x7f000001)
144 #endif
145 
146 /* Types */
147 
148 /* If sys/types.h does not supply intXX_t, supply them ourselves */
149 /* (or die trying) */
150 
151 #ifndef HAVE_U_INT
152 typedef unsigned int u_int;
153 #endif
154 
155 #ifndef HAVE_INTXX_T
156 # if (SIZEOF_CHAR == 1)
157 typedef char int8_t;
158 # else
159 #  error "8 bit int type not found."
160 # endif
161 # if (SIZEOF_SHORT_INT == 2)
162 typedef short int int16_t;
163 # else
164 #  ifdef _UNICOS
165 #   if (SIZEOF_SHORT_INT == 4)
166 typedef short int16_t;
167 #   else
168 typedef long  int16_t;
169 #   endif
170 #  else
171 #   error "16 bit int type not found."
172 #  endif /* _UNICOS */
173 # endif
174 # if (SIZEOF_INT == 4)
175 typedef int int32_t;
176 # else
177 #  ifdef _UNICOS
178 typedef long  int32_t;
179 #  else
180 #   error "32 bit int type not found."
181 #  endif /* _UNICOS */
182 # endif
183 #endif
184 
185 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */
186 #ifndef HAVE_U_INTXX_T
187 # ifdef HAVE_UINTXX_T
188 typedef uint8_t u_int8_t;
189 typedef uint16_t u_int16_t;
190 typedef uint32_t u_int32_t;
191 # define HAVE_U_INTXX_T 1
192 # else
193 #  if (SIZEOF_CHAR == 1)
194 typedef unsigned char u_int8_t;
195 #  else
196 #   error "8 bit int type not found."
197 #  endif
198 #  if (SIZEOF_SHORT_INT == 2)
199 typedef unsigned short int u_int16_t;
200 #  else
201 #   ifdef _UNICOS
202 #    if (SIZEOF_SHORT_INT == 4)
203 typedef unsigned short u_int16_t;
204 #    else
205 typedef unsigned long  u_int16_t;
206 #    endif
207 #   else
208 #    error "16 bit int type not found."
209 #   endif
210 #  endif
211 #  if (SIZEOF_INT == 4)
212 typedef unsigned int u_int32_t;
213 #  else
214 #   ifdef _UNICOS
215 typedef unsigned long  u_int32_t;
216 #   else
217 #    error "32 bit int type not found."
218 #   endif
219 #  endif
220 # endif
221 #define __BIT_TYPES_DEFINED__
222 #endif
223 
224 /* 64-bit types */
225 #ifndef HAVE_INT64_T
226 # if (SIZEOF_LONG_INT == 8)
227 typedef long int int64_t;
228 # else
229 #  if (SIZEOF_LONG_LONG_INT == 8)
230 typedef long long int int64_t;
231 #  endif
232 # endif
233 #endif
234 #ifndef HAVE_U_INT64_T
235 # if (SIZEOF_LONG_INT == 8)
236 typedef unsigned long int u_int64_t;
237 # else
238 #  if (SIZEOF_LONG_LONG_INT == 8)
239 typedef unsigned long long int u_int64_t;
240 #  endif
241 # endif
242 #endif
243 
244 #ifndef HAVE_U_CHAR
245 typedef unsigned char u_char;
246 # define HAVE_U_CHAR
247 #endif /* HAVE_U_CHAR */
248 
249 #ifndef SIZE_T_MAX
250 #define SIZE_T_MAX ULONG_MAX
251 #endif /* SIZE_T_MAX */
252 
253 #ifndef HAVE_SIZE_T
254 typedef unsigned int size_t;
255 # define HAVE_SIZE_T
256 # define SIZE_T_MAX UINT_MAX
257 #endif /* HAVE_SIZE_T */
258 
259 #ifndef HAVE_SSIZE_T
260 typedef int ssize_t;
261 # define HAVE_SSIZE_T
262 #endif /* HAVE_SSIZE_T */
263 
264 #ifndef HAVE_CLOCK_T
265 typedef long clock_t;
266 # define HAVE_CLOCK_T
267 #endif /* HAVE_CLOCK_T */
268 
269 #ifndef HAVE_SA_FAMILY_T
270 typedef int sa_family_t;
271 # define HAVE_SA_FAMILY_T
272 #endif /* HAVE_SA_FAMILY_T */
273 
274 #ifndef HAVE_PID_T
275 typedef int pid_t;
276 # define HAVE_PID_T
277 #endif /* HAVE_PID_T */
278 
279 #ifndef HAVE_SIG_ATOMIC_T
280 typedef int sig_atomic_t;
281 # define HAVE_SIG_ATOMIC_T
282 #endif /* HAVE_SIG_ATOMIC_T */
283 
284 #ifndef HAVE_MODE_T
285 typedef int mode_t;
286 # define HAVE_MODE_T
287 #endif /* HAVE_MODE_T */
288 
289 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
290 # define ss_family __ss_family
291 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
292 
293 #ifndef HAVE_SYS_UN_H
294 struct	sockaddr_un {
295 	short	sun_family;		/* AF_UNIX */
296 	char	sun_path[108];		/* path name (gag) */
297 };
298 #endif /* HAVE_SYS_UN_H */
299 
300 #ifndef HAVE_IN_ADDR_T
301 typedef u_int32_t	in_addr_t;
302 #endif
303 #ifndef HAVE_IN_PORT_T
304 typedef u_int16_t	in_port_t;
305 #endif
306 
307 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
308 #define _STRUCT_WINSIZE
309 struct winsize {
310       unsigned short ws_row;          /* rows, in characters */
311       unsigned short ws_col;          /* columns, in character */
312       unsigned short ws_xpixel;       /* horizontal size, pixels */
313       unsigned short ws_ypixel;       /* vertical size, pixels */
314 };
315 #endif
316 
317 /* *-*-nto-qnx does not define this type in the system headers */
318 #ifdef MISSING_FD_MASK
319  typedef unsigned long int	fd_mask;
320 #endif
321 
322 /* Paths */
323 
324 #ifndef _PATH_BSHELL
325 # define _PATH_BSHELL "/bin/sh"
326 #endif
327 
328 #ifdef USER_PATH
329 # ifdef _PATH_STDPATH
330 #  undef _PATH_STDPATH
331 # endif
332 # define _PATH_STDPATH USER_PATH
333 #endif
334 
335 #ifndef _PATH_STDPATH
336 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
337 #endif
338 
339 #ifndef SUPERUSER_PATH
340 # define SUPERUSER_PATH	_PATH_STDPATH
341 #endif
342 
343 #ifndef _PATH_DEVNULL
344 # define _PATH_DEVNULL "/dev/null"
345 #endif
346 
347 #ifndef MAIL_DIRECTORY
348 # define MAIL_DIRECTORY "/var/spool/mail"
349 #endif
350 
351 #ifndef MAILDIR
352 # define MAILDIR MAIL_DIRECTORY
353 #endif
354 
355 #if !defined(_PATH_MAILDIR) && defined(MAILDIR)
356 # define _PATH_MAILDIR MAILDIR
357 #endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
358 
359 #ifndef _PATH_NOLOGIN
360 # define _PATH_NOLOGIN "/etc/nologin"
361 #endif
362 
363 /* Define this to be the path of the xauth program. */
364 #ifdef XAUTH_PATH
365 #define _PATH_XAUTH XAUTH_PATH
366 #endif /* XAUTH_PATH */
367 
368 /* derived from XF4/xc/lib/dps/Xlibnet.h */
369 #ifndef X_UNIX_PATH
370 #  ifdef __hpux
371 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
372 #  else
373 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
374 #  endif
375 #endif /* X_UNIX_PATH */
376 #define _PATH_UNIX_X X_UNIX_PATH
377 
378 #ifndef _PATH_TTY
379 # define _PATH_TTY "/dev/tty"
380 #endif
381 
382 /* Macros */
383 
384 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
385 # define HAVE_LOGIN_CAP
386 #endif
387 
388 #ifndef MAX
389 # define MAX(a,b) (((a)>(b))?(a):(b))
390 # define MIN(a,b) (((a)<(b))?(a):(b))
391 #endif
392 
393 #ifndef roundup
394 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
395 #endif
396 
397 #ifndef timersub
398 #define timersub(a, b, result)					\
399    do {								\
400       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
401       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
402       if ((result)->tv_usec < 0) {				\
403 	 --(result)->tv_sec;					\
404 	 (result)->tv_usec += 1000000;				\
405       }								\
406    } while (0)
407 #endif
408 
409 #ifndef TIMEVAL_TO_TIMESPEC
410 #define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
411 	(ts)->tv_sec = (tv)->tv_sec;					\
412 	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
413 }
414 #endif
415 
416 #ifndef TIMESPEC_TO_TIMEVAL
417 #define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
418 	(tv)->tv_sec = (ts)->tv_sec;					\
419 	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
420 }
421 #endif
422 
423 #ifndef __P
424 # define __P(x) x
425 #endif
426 
427 #if !defined(IN6_IS_ADDR_V4MAPPED)
428 # define IN6_IS_ADDR_V4MAPPED(a) \
429 	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
430 	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
431 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
432 
433 #if !defined(__GNUC__) || (__GNUC__ < 2)
434 # define __attribute__(x)
435 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
436 
437 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
438 # define __sentinel__
439 #endif
440 
441 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
442 # define __bounded__(x, y, z)
443 #endif
444 
445 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
446 # define __nonnull__(x)
447 #endif
448 
449 /* *-*-nto-qnx doesn't define this macro in the system headers */
450 #ifdef MISSING_HOWMANY
451 # define howmany(x,y)	(((x)+((y)-1))/(y))
452 #endif
453 
454 #ifndef OSSH_ALIGNBYTES
455 #define OSSH_ALIGNBYTES	(sizeof(int) - 1)
456 #endif
457 #ifndef __CMSG_ALIGN
458 #define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
459 #endif
460 
461 /* Length of the contents of a control message of length len */
462 #ifndef CMSG_LEN
463 #define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
464 #endif
465 
466 /* Length of the space taken up by a padded control message of length len */
467 #ifndef CMSG_SPACE
468 #define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
469 #endif
470 
471 /* given pointer to struct cmsghdr, return pointer to data */
472 #ifndef CMSG_DATA
473 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
474 #endif /* CMSG_DATA */
475 
476 /*
477  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
478  * an empty list for some reasons.
479  */
480 #ifndef CMSG_FIRSTHDR
481 #define CMSG_FIRSTHDR(mhdr) \
482 	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
483 	 (struct cmsghdr *)(mhdr)->msg_control : \
484 	 (struct cmsghdr *)NULL)
485 #endif /* CMSG_FIRSTHDR */
486 
487 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
488 # define offsetof(type, member) ((size_t) &((type *)0)->member)
489 #endif
490 
491 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
492 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
493 #ifndef BYTE_ORDER
494 # ifndef LITTLE_ENDIAN
495 #  define LITTLE_ENDIAN  1234
496 # endif /* LITTLE_ENDIAN */
497 # ifndef BIG_ENDIAN
498 #  define BIG_ENDIAN     4321
499 # endif /* BIG_ENDIAN */
500 # ifdef WORDS_BIGENDIAN
501 #  define BYTE_ORDER BIG_ENDIAN
502 # else /* WORDS_BIGENDIAN */
503 #  define BYTE_ORDER LITTLE_ENDIAN
504 # endif /* WORDS_BIGENDIAN */
505 #endif /* BYTE_ORDER */
506 
507 /* Function replacement / compatibility hacks */
508 
509 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
510 # define HAVE_GETADDRINFO
511 #endif
512 
513 #ifndef HAVE_GETOPT_OPTRESET
514 # undef getopt
515 # undef opterr
516 # undef optind
517 # undef optopt
518 # undef optreset
519 # undef optarg
520 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
521 # define opterr             BSDopterr
522 # define optind             BSDoptind
523 # define optopt             BSDoptopt
524 # define optreset           BSDoptreset
525 # define optarg             BSDoptarg
526 #endif
527 
528 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
529 # undef HAVE_GETADDRINFO
530 #endif
531 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
532 # undef HAVE_FREEADDRINFO
533 #endif
534 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
535 # undef HAVE_GAI_STRERROR
536 #endif
537 
538 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
539 # undef HAVE_UPDWTMPX
540 #endif
541 
542 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
543 # undef HAS_SHADOW_EXPIRE
544 #endif
545 
546 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
547     defined(SYSLOG_R_SAFE_IN_SIGHAND)
548 # define DO_LOG_SAFE_IN_SIGHAND
549 #endif
550 
551 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
552 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
553 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
554 
555 #if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
556 #  define USE_VHANGUP
557 #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
558 
559 #ifndef GETPGRP_VOID
560 # include <unistd.h>
561 # define getpgrp() getpgrp(0)
562 #endif
563 
564 #ifdef USE_BSM_AUDIT
565 # define SSH_AUDIT_EVENTS
566 # define CUSTOM_SSH_AUDIT_EVENTS
567 #endif
568 
569 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
570 #  define __func__ __FUNCTION__
571 #elif !defined(HAVE___func__)
572 #  define __func__ ""
573 #endif
574 
575 #if defined(KRB5) && !defined(HEIMDAL)
576 #  define krb5_get_err_text(context,code) error_message(code)
577 #endif
578 
579 #if defined(SKEYCHALLENGE_4ARG)
580 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
581 #else
582 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
583 #endif
584 
585 /* Maximum number of file descriptors available */
586 #ifdef HAVE_SYSCONF
587 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
588 #else
589 # define SSH_SYSFDMAX 10000
590 #endif
591 
592 #ifdef FSID_HAS_VAL
593 /* encode f_fsid into a 64 bit value  */
594 #define FSID_TO_ULONG(f) \
595 	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
596 	    ((f).val[1] & 0xffffffffUL))
597 #elif defined(FSID_HAS___VAL)
598 #define FSID_TO_ULONG(f) \
599 	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
600 	    ((f).__val[1] & 0xffffffffUL))
601 #else
602 # define FSID_TO_ULONG(f) ((f))
603 #endif
604 
605 #if defined(__Lynx__)
606  /*
607   * LynxOS defines these in param.h which we do not want to include since
608   * it will also pull in a bunch of kernel definitions.
609   */
610 # define ALIGNBYTES (sizeof(int) - 1)
611 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
612   /* Missing prototypes on LynxOS */
613   int snprintf (char *, size_t, const char *, ...);
614   int mkstemp (char *);
615   char *crypt (const char *, const char *);
616   int seteuid (uid_t);
617   int setegid (gid_t);
618   char *mkdtemp (char *);
619   int rresvport_af (int *, sa_family_t);
620   int innetgr (const char *, const char *, const char *, const char *);
621 #endif
622 
623 /*
624  * Define this to use pipes instead of socketpairs for communicating with the
625  * client program.  Socketpairs do not seem to work on all systems.
626  *
627  * configure.ac sets this for a few OS's which are known to have problems
628  * but you may need to set it yourself
629  */
630 /* #define USE_PIPES 1 */
631 
632 /**
633  ** login recorder definitions
634  **/
635 
636 /* FIXME: put default paths back in */
637 #ifndef UTMP_FILE
638 #  ifdef _PATH_UTMP
639 #    define UTMP_FILE _PATH_UTMP
640 #  else
641 #    ifdef CONF_UTMP_FILE
642 #      define UTMP_FILE CONF_UTMP_FILE
643 #    endif
644 #  endif
645 #endif
646 #ifndef WTMP_FILE
647 #  ifdef _PATH_WTMP
648 #    define WTMP_FILE _PATH_WTMP
649 #  else
650 #    ifdef CONF_WTMP_FILE
651 #      define WTMP_FILE CONF_WTMP_FILE
652 #    endif
653 #  endif
654 #endif
655 /* pick up the user's location for lastlog if given */
656 #ifndef LASTLOG_FILE
657 #  ifdef _PATH_LASTLOG
658 #    define LASTLOG_FILE _PATH_LASTLOG
659 #  else
660 #    ifdef CONF_LASTLOG_FILE
661 #      define LASTLOG_FILE CONF_LASTLOG_FILE
662 #    endif
663 #  endif
664 #endif
665 
666 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
667 # define USE_SHADOW
668 #endif
669 
670 /* The login() library function in libutil is first choice */
671 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
672 #  define USE_LOGIN
673 
674 #else
675 /* Simply select your favourite login types. */
676 /* Can't do if-else because some systems use several... <sigh> */
677 #  if !defined(DISABLE_UTMPX)
678 #    define USE_UTMPX
679 #  endif
680 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
681 #    define USE_UTMP
682 #  endif
683 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
684 #    define USE_WTMPX
685 #  endif
686 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
687 #    define USE_WTMP
688 #  endif
689 
690 #endif
691 
692 #ifndef UT_LINESIZE
693 # define UT_LINESIZE 8
694 #endif
695 
696 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
697 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
698 #  define USE_LASTLOG
699 #endif
700 
701 #ifdef HAVE_OSF_SIA
702 # ifdef USE_SHADOW
703 #  undef USE_SHADOW
704 # endif
705 # define CUSTOM_SYS_AUTH_PASSWD 1
706 #endif
707 
708 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
709 # define CUSTOM_SYS_AUTH_PASSWD 1
710 #endif
711 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
712 # define USE_LIBIAF
713 #endif
714 
715 /* HP-UX 11.11 */
716 #ifdef BTMP_FILE
717 # define _PATH_BTMP BTMP_FILE
718 #endif
719 
720 #if defined(USE_BTMP) && defined(_PATH_BTMP)
721 # define CUSTOM_FAILED_LOGIN
722 #endif
723 
724 /** end of login recorder definitions */
725 
726 #ifdef BROKEN_GETGROUPS
727 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
728 #endif
729 
730 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
731 # undef HAVE_MMAP
732 #endif
733 
734 #ifndef IOV_MAX
735 # if defined(_XOPEN_IOV_MAX)
736 #  define	IOV_MAX		_XOPEN_IOV_MAX
737 # elif defined(DEF_IOV_MAX)
738 #  define	IOV_MAX		DEF_IOV_MAX
739 # else
740 #  define	IOV_MAX		16
741 # endif
742 #endif
743 
744 #ifndef EWOULDBLOCK
745 # define EWOULDBLOCK EAGAIN
746 #endif
747 
748 #ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
749 #define INET6_ADDRSTRLEN 46
750 #endif
751 
752 #ifndef SSH_IOBUFSZ
753 # define SSH_IOBUFSZ 8192
754 #endif
755 
756 #ifndef _NSIG
757 # ifdef NSIG
758 #  define _NSIG NSIG
759 # else
760 #  define _NSIG 128
761 # endif
762 #endif
763 
764 #endif /* _DEFINES_H */
765