xref: /openssh-portable/defines.h (revision 4efe1adf)
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
31 enum
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 # endif /* PATH_MAX */
112 #endif /* MAXPATHLEN */
113 
114 #ifndef HOST_NAME_MAX
115 # include "netdb.h" /* for MAXHOSTNAMELEN */
116 # if defined(_POSIX_HOST_NAME_MAX)
117 #  define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
118 # elif defined(MAXHOSTNAMELEN)
119 #  define HOST_NAME_MAX MAXHOSTNAMELEN
120 # else
121 #  define HOST_NAME_MAX	255
122 # endif
123 #endif /* HOST_NAME_MAX */
124 
125 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
126 # define MAXSYMLINKS 5
127 #endif
128 
129 #ifndef STDIN_FILENO
130 # define STDIN_FILENO    0
131 #endif
132 #ifndef STDOUT_FILENO
133 # define STDOUT_FILENO   1
134 #endif
135 #ifndef STDERR_FILENO
136 # define STDERR_FILENO   2
137 #endif
138 
139 #ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
140 #ifdef NGROUPS
141 #define NGROUPS_MAX NGROUPS
142 #else
143 #define NGROUPS_MAX 0
144 #endif
145 #endif
146 
147 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
148 # define O_NONBLOCK      00004	/* Non Blocking Open */
149 #endif
150 
151 #ifndef S_IFSOCK
152 # define S_IFSOCK 0
153 #endif /* S_IFSOCK */
154 
155 #ifndef S_ISDIR
156 # define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
157 #endif /* S_ISDIR */
158 
159 #ifndef S_ISREG
160 # define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
161 #endif /* S_ISREG */
162 
163 #ifndef S_ISLNK
164 # define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
165 #endif /* S_ISLNK */
166 
167 #ifndef S_IXUSR
168 # define S_IXUSR			0000100	/* execute/search permission, */
169 # define S_IXGRP			0000010	/* execute/search permission, */
170 # define S_IXOTH			0000001	/* execute/search permission, */
171 # define _S_IWUSR			0000200	/* write permission, */
172 # define S_IWUSR			_S_IWUSR	/* write permission, owner */
173 # define S_IWGRP			0000020	/* write permission, group */
174 # define S_IWOTH			0000002	/* write permission, other */
175 # define S_IRUSR			0000400	/* read permission, owner */
176 # define S_IRGRP			0000040	/* read permission, group */
177 # define S_IROTH			0000004	/* read permission, other */
178 # define S_IRWXU			0000700	/* read, write, execute */
179 # define S_IRWXG			0000070	/* read, write, execute */
180 # define S_IRWXO			0000007	/* read, write, execute */
181 #endif /* S_IXUSR */
182 
183 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
184 #define MAP_ANON MAP_ANONYMOUS
185 #endif
186 
187 #ifndef MAP_FAILED
188 # define MAP_FAILED ((void *)-1)
189 #endif
190 
191 /*
192 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
193 including rpc/rpc.h breaks Solaris 6
194 */
195 #ifndef INADDR_LOOPBACK
196 #define INADDR_LOOPBACK ((u_long)0x7f000001)
197 #endif
198 
199 /* Types */
200 
201 /* If sys/types.h does not supply intXX_t, supply them ourselves */
202 /* (or die trying) */
203 
204 #ifndef HAVE_U_INT
205 typedef unsigned int u_int;
206 #endif
207 
208 #ifndef HAVE_INTXX_T
209 typedef signed char int8_t;
210 # if (SIZEOF_SHORT_INT == 2)
211 typedef short int int16_t;
212 # else
213 #   error "16 bit int type not found."
214 # endif
215 # if (SIZEOF_INT == 4)
216 typedef int int32_t;
217 # else
218 #   error "32 bit int type not found."
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
225 typedef uint8_t u_int8_t;
226 typedef uint16_t u_int16_t;
227 typedef uint32_t u_int32_t;
228 # define HAVE_U_INTXX_T 1
229 # else
230 typedef unsigned char u_int8_t;
231 #  if (SIZEOF_SHORT_INT == 2)
232 typedef unsigned short int u_int16_t;
233 #  else
234 #    error "16 bit int type not found."
235 #  endif
236 #  if (SIZEOF_INT == 4)
237 typedef unsigned int u_int32_t;
238 #  else
239 #    error "32 bit int type not found."
240 #  endif
241 # endif
242 #define __BIT_TYPES_DEFINED__
243 #endif
244 
245 /* 64-bit types */
246 #ifndef HAVE_INT64_T
247 # if (SIZEOF_LONG_INT == 8)
248 typedef long int int64_t;
249 # else
250 #  if (SIZEOF_LONG_LONG_INT == 8)
251 typedef long long int int64_t;
252 #  endif
253 # endif
254 #endif
255 #ifndef HAVE_U_INT64_T
256 # if (SIZEOF_LONG_INT == 8)
257 typedef unsigned long int u_int64_t;
258 # else
259 #  if (SIZEOF_LONG_LONG_INT == 8)
260 typedef unsigned long long int u_int64_t;
261 #  endif
262 # endif
263 #endif
264 
265 #ifndef HAVE_UINTXX_T
266 typedef u_int8_t uint8_t;
267 typedef u_int16_t uint16_t;
268 typedef u_int32_t uint32_t;
269 typedef u_int64_t uint64_t;
270 #endif
271 
272 #ifndef HAVE_INTMAX_T
273 typedef long long intmax_t;
274 #endif
275 
276 #ifndef HAVE_UINTMAX_T
277 typedef unsigned long long uintmax_t;
278 #endif
279 
280 #ifndef HAVE_U_CHAR
281 typedef unsigned char u_char;
282 # define HAVE_U_CHAR
283 #endif /* HAVE_U_CHAR */
284 
285 #ifndef ULLONG_MAX
286 # define ULLONG_MAX ((unsigned long long)-1)
287 #endif
288 
289 #ifndef SIZE_T_MAX
290 #define SIZE_T_MAX ULONG_MAX
291 #endif /* SIZE_T_MAX */
292 
293 #ifndef HAVE_SIZE_T
294 typedef unsigned int size_t;
295 # define HAVE_SIZE_T
296 # define SIZE_T_MAX UINT_MAX
297 #endif /* HAVE_SIZE_T */
298 
299 #ifndef SIZE_MAX
300 #define SIZE_MAX SIZE_T_MAX
301 #endif
302 
303 #ifndef INT32_MAX
304 # if (SIZEOF_INT == 4)
305 #  define INT32_MAX INT_MAX
306 # elif (SIZEOF_LONG == 4)
307 #  define INT32_MAX LONG_MAX
308 # else
309 #  error "need INT32_MAX"
310 # endif
311 #endif
312 
313 #ifndef INT64_MAX
314 # if (SIZEOF_INT == 8)
315 #  define INT64_MAX INT_MAX
316 # elif (SIZEOF_LONG == 8)
317 #  define INT64_MAX LONG_MAX
318 # elif (SIZEOF_LONG_LONG_INT == 8)
319 #  define INT64_MAX LLONG_MAX
320 # else
321 #  error "need INT64_MAX"
322 # endif
323 #endif
324 
325 #ifndef HAVE_SSIZE_T
326 typedef int ssize_t;
327 # define HAVE_SSIZE_T
328 #endif /* HAVE_SSIZE_T */
329 
330 #ifndef HAVE_CLOCK_T
331 typedef long clock_t;
332 # define HAVE_CLOCK_T
333 #endif /* HAVE_CLOCK_T */
334 
335 #ifndef HAVE_SA_FAMILY_T
336 typedef int sa_family_t;
337 # define HAVE_SA_FAMILY_T
338 #endif /* HAVE_SA_FAMILY_T */
339 
340 #ifndef HAVE_PID_T
341 typedef int pid_t;
342 # define HAVE_PID_T
343 #endif /* HAVE_PID_T */
344 
345 #ifndef HAVE_SIG_ATOMIC_T
346 typedef int sig_atomic_t;
347 # define HAVE_SIG_ATOMIC_T
348 #endif /* HAVE_SIG_ATOMIC_T */
349 
350 #ifndef HAVE_MODE_T
351 typedef int mode_t;
352 # define HAVE_MODE_T
353 #endif /* HAVE_MODE_T */
354 
355 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
356 # define ss_family __ss_family
357 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
358 
359 #ifndef HAVE_SYS_UN_H
360 struct	sockaddr_un {
361 	short	sun_family;		/* AF_UNIX */
362 	char	sun_path[108];		/* path name (gag) */
363 };
364 #endif /* HAVE_SYS_UN_H */
365 
366 #ifndef HAVE_IN_ADDR_T
367 typedef u_int32_t	in_addr_t;
368 #endif
369 #ifndef HAVE_IN_PORT_T
370 typedef u_int16_t	in_port_t;
371 #endif
372 
373 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
374 #define _STRUCT_WINSIZE
375 struct winsize {
376       unsigned short ws_row;          /* rows, in characters */
377       unsigned short ws_col;          /* columns, in character */
378       unsigned short ws_xpixel;       /* horizontal size, pixels */
379       unsigned short ws_ypixel;       /* vertical size, pixels */
380 };
381 #endif
382 
383 /* bits needed for select that may not be in the system headers */
384 #ifndef HAVE_FD_MASK
385  typedef unsigned long int	fd_mask;
386 #endif
387 
388 #if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
389 # define	NFDBITS (8 * sizeof(unsigned long))
390 #endif
391 
392 #if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
393 # define howmany(x,y)	(((x)+((y)-1))/(y))
394 #endif
395 
396 /* Paths */
397 
398 #ifndef _PATH_BSHELL
399 # define _PATH_BSHELL "/bin/sh"
400 #endif
401 
402 #ifdef USER_PATH
403 # ifdef _PATH_STDPATH
404 #  undef _PATH_STDPATH
405 # endif
406 # define _PATH_STDPATH USER_PATH
407 #endif
408 
409 #ifndef _PATH_STDPATH
410 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
411 #endif
412 
413 #ifndef SUPERUSER_PATH
414 # define SUPERUSER_PATH	_PATH_STDPATH
415 #endif
416 
417 #ifndef _PATH_DEVNULL
418 # define _PATH_DEVNULL "/dev/null"
419 #endif
420 
421 /* user may have set a different path */
422 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
423 # undef _PATH_MAILDIR
424 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
425 
426 #ifdef MAIL_DIRECTORY
427 # define _PATH_MAILDIR MAIL_DIRECTORY
428 #endif
429 
430 #ifndef _PATH_NOLOGIN
431 # define _PATH_NOLOGIN "/etc/nologin"
432 #endif
433 
434 /* Define this to be the path of the xauth program. */
435 #ifdef XAUTH_PATH
436 #define _PATH_XAUTH XAUTH_PATH
437 #endif /* XAUTH_PATH */
438 
439 /* derived from XF4/xc/lib/dps/Xlibnet.h */
440 #ifndef X_UNIX_PATH
441 #  ifdef __hpux
442 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
443 #  else
444 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
445 #  endif
446 #endif /* X_UNIX_PATH */
447 #define _PATH_UNIX_X X_UNIX_PATH
448 
449 #ifndef _PATH_TTY
450 # define _PATH_TTY "/dev/tty"
451 #endif
452 
453 /* Macros */
454 
455 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
456 # define HAVE_LOGIN_CAP
457 #endif
458 
459 #ifndef MAX
460 # define MAX(a,b) (((a)>(b))?(a):(b))
461 # define MIN(a,b) (((a)<(b))?(a):(b))
462 #endif
463 
464 #ifndef roundup
465 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
466 #endif
467 
468 #ifndef timersub
469 #define timersub(a, b, result)					\
470    do {								\
471       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
472       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
473       if ((result)->tv_usec < 0) {				\
474 	 --(result)->tv_sec;					\
475 	 (result)->tv_usec += 1000000;				\
476       }								\
477    } while (0)
478 #endif
479 
480 #ifndef TIMEVAL_TO_TIMESPEC
481 #define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
482 	(ts)->tv_sec = (tv)->tv_sec;					\
483 	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
484 }
485 #endif
486 
487 #ifndef TIMESPEC_TO_TIMEVAL
488 #define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
489 	(tv)->tv_sec = (ts)->tv_sec;					\
490 	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
491 }
492 #endif
493 
494 #ifndef timespeccmp
495 #define timespeccmp(tsp, usp, cmp)					\
496 	(((tsp)->tv_sec == (usp)->tv_sec) ?				\
497 	    ((tsp)->tv_nsec cmp (usp)->tv_nsec) :			\
498 	    ((tsp)->tv_sec cmp (usp)->tv_sec))
499 #endif
500 
501 #ifndef __P
502 # define __P(x) x
503 #endif
504 
505 #if !defined(IN6_IS_ADDR_V4MAPPED)
506 # define IN6_IS_ADDR_V4MAPPED(a) \
507 	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
508 	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
509 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
510 
511 #if !defined(__GNUC__) || (__GNUC__ < 2)
512 # define __attribute__(x)
513 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
514 
515 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
516 # define __sentinel__
517 #endif
518 
519 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
520 # define __bounded__(x, y, z)
521 #endif
522 
523 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
524 # define __nonnull__(x)
525 #endif
526 
527 #ifndef OSSH_ALIGNBYTES
528 #define OSSH_ALIGNBYTES	(sizeof(int) - 1)
529 #endif
530 #ifndef __CMSG_ALIGN
531 #define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
532 #endif
533 
534 /* Length of the contents of a control message of length len */
535 #ifndef CMSG_LEN
536 #define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
537 #endif
538 
539 /* Length of the space taken up by a padded control message of length len */
540 #ifndef CMSG_SPACE
541 #define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
542 #endif
543 
544 /* given pointer to struct cmsghdr, return pointer to data */
545 #ifndef CMSG_DATA
546 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
547 #endif /* CMSG_DATA */
548 
549 /*
550  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
551  * an empty list for some reasons.
552  */
553 #ifndef CMSG_FIRSTHDR
554 #define CMSG_FIRSTHDR(mhdr) \
555 	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
556 	 (struct cmsghdr *)(mhdr)->msg_control : \
557 	 (struct cmsghdr *)NULL)
558 #endif /* CMSG_FIRSTHDR */
559 
560 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
561 # define offsetof(type, member) ((size_t) &((type *)0)->member)
562 #endif
563 
564 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
565 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
566 #ifndef BYTE_ORDER
567 # ifndef LITTLE_ENDIAN
568 #  define LITTLE_ENDIAN  1234
569 # endif /* LITTLE_ENDIAN */
570 # ifndef BIG_ENDIAN
571 #  define BIG_ENDIAN     4321
572 # endif /* BIG_ENDIAN */
573 # ifdef WORDS_BIGENDIAN
574 #  define BYTE_ORDER BIG_ENDIAN
575 # else /* WORDS_BIGENDIAN */
576 #  define BYTE_ORDER LITTLE_ENDIAN
577 # endif /* WORDS_BIGENDIAN */
578 #endif /* BYTE_ORDER */
579 
580 /* Function replacement / compatibility hacks */
581 
582 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
583 # define HAVE_GETADDRINFO
584 #endif
585 
586 #ifndef HAVE_GETOPT_OPTRESET
587 # undef getopt
588 # undef opterr
589 # undef optind
590 # undef optopt
591 # undef optreset
592 # undef optarg
593 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
594 # define opterr             BSDopterr
595 # define optind             BSDoptind
596 # define optopt             BSDoptopt
597 # define optreset           BSDoptreset
598 # define optarg             BSDoptarg
599 #endif
600 
601 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
602 # undef HAVE_GETADDRINFO
603 #endif
604 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
605 # undef HAVE_FREEADDRINFO
606 #endif
607 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
608 # undef HAVE_GAI_STRERROR
609 #endif
610 
611 #if defined(HAVE_GETADDRINFO)
612 # if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0
613 #   define AI_NUMERICSERV	0
614 # endif
615 #endif
616 
617 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
618 # undef HAVE_UPDWTMPX
619 #endif
620 
621 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
622 # undef HAS_SHADOW_EXPIRE
623 #endif
624 
625 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
626     defined(SYSLOG_R_SAFE_IN_SIGHAND)
627 # define DO_LOG_SAFE_IN_SIGHAND
628 #endif
629 
630 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
631 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
632 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
633 
634 #ifndef GETPGRP_VOID
635 # include <unistd.h>
636 # define getpgrp() getpgrp(0)
637 #endif
638 
639 #ifdef USE_BSM_AUDIT
640 # define SSH_AUDIT_EVENTS
641 # define CUSTOM_SSH_AUDIT_EVENTS
642 #endif
643 
644 #ifdef USE_LINUX_AUDIT
645 # define SSH_AUDIT_EVENTS
646 # define CUSTOM_SSH_AUDIT_EVENTS
647 #endif
648 
649 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
650 #  define __func__ __FUNCTION__
651 #elif !defined(HAVE___func__)
652 #  define __func__ ""
653 #endif
654 
655 #if defined(KRB5) && !defined(HEIMDAL)
656 #  define krb5_get_err_text(context,code) error_message(code)
657 #endif
658 
659 /* Maximum number of file descriptors available */
660 #ifdef HAVE_SYSCONF
661 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
662 #else
663 # define SSH_SYSFDMAX 10000
664 #endif
665 
666 #ifdef FSID_HAS_VAL
667 /* encode f_fsid into a 64 bit value  */
668 #define FSID_TO_ULONG(f) \
669 	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
670 	    ((f).val[1] & 0xffffffffUL))
671 #elif defined(FSID_HAS___VAL)
672 #define FSID_TO_ULONG(f) \
673 	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
674 	    ((f).__val[1] & 0xffffffffUL))
675 #else
676 # define FSID_TO_ULONG(f) ((f))
677 #endif
678 
679 #if defined(__Lynx__)
680  /*
681   * LynxOS defines these in param.h which we do not want to include since
682   * it will also pull in a bunch of kernel definitions.
683   */
684 # define ALIGNBYTES (sizeof(int) - 1)
685 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
686   /* Missing prototypes on LynxOS */
687   int snprintf (char *, size_t, const char *, ...);
688   int mkstemp (char *);
689   char *crypt (const char *, const char *);
690   int seteuid (uid_t);
691   int setegid (gid_t);
692   char *mkdtemp (char *);
693   int rresvport_af (int *, sa_family_t);
694   int innetgr (const char *, const char *, const char *, const char *);
695 #endif
696 
697 /*
698  * Define this to use pipes instead of socketpairs for communicating with the
699  * client program.  Socketpairs do not seem to work on all systems.
700  *
701  * configure.ac sets this for a few OS's which are known to have problems
702  * but you may need to set it yourself
703  */
704 /* #define USE_PIPES 1 */
705 
706 /**
707  ** login recorder definitions
708  **/
709 
710 /* FIXME: put default paths back in */
711 #ifndef UTMP_FILE
712 #  ifdef _PATH_UTMP
713 #    define UTMP_FILE _PATH_UTMP
714 #  else
715 #    ifdef CONF_UTMP_FILE
716 #      define UTMP_FILE CONF_UTMP_FILE
717 #    endif
718 #  endif
719 #endif
720 #ifndef WTMP_FILE
721 #  ifdef _PATH_WTMP
722 #    define WTMP_FILE _PATH_WTMP
723 #  else
724 #    ifdef CONF_WTMP_FILE
725 #      define WTMP_FILE CONF_WTMP_FILE
726 #    endif
727 #  endif
728 #endif
729 /* pick up the user's location for lastlog if given */
730 #ifndef LASTLOG_FILE
731 #  ifdef _PATH_LASTLOG
732 #    define LASTLOG_FILE _PATH_LASTLOG
733 #  else
734 #    ifdef CONF_LASTLOG_FILE
735 #      define LASTLOG_FILE CONF_LASTLOG_FILE
736 #    endif
737 #  endif
738 #endif
739 
740 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
741 # define USE_SHADOW
742 #endif
743 
744 /* The login() library function in libutil is first choice */
745 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
746 #  define USE_LOGIN
747 
748 #else
749 /* Simply select your favourite login types. */
750 /* Can't do if-else because some systems use several... <sigh> */
751 #  if !defined(DISABLE_UTMPX)
752 #    define USE_UTMPX
753 #  endif
754 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
755 #    define USE_UTMP
756 #  endif
757 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
758 #    define USE_WTMPX
759 #  endif
760 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
761 #    define USE_WTMP
762 #  endif
763 
764 #endif
765 
766 #ifndef UT_LINESIZE
767 # define UT_LINESIZE 8
768 #endif
769 
770 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
771 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
772 #  define USE_LASTLOG
773 #endif
774 
775 #ifdef HAVE_OSF_SIA
776 # ifdef USE_SHADOW
777 #  undef USE_SHADOW
778 # endif
779 # define CUSTOM_SYS_AUTH_PASSWD 1
780 #endif
781 
782 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
783 # define CUSTOM_SYS_AUTH_PASSWD 1
784 #endif
785 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
786 # define USE_LIBIAF
787 #endif
788 
789 /* HP-UX 11.11 */
790 #ifdef BTMP_FILE
791 # define _PATH_BTMP BTMP_FILE
792 #endif
793 
794 #if defined(USE_BTMP) && defined(_PATH_BTMP)
795 # define CUSTOM_FAILED_LOGIN
796 #endif
797 
798 /** end of login recorder definitions */
799 
800 #ifdef BROKEN_GETGROUPS
801 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
802 #endif
803 
804 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
805 # undef HAVE_MMAP
806 #endif
807 
808 #ifndef IOV_MAX
809 # if defined(_XOPEN_IOV_MAX)
810 #  define	IOV_MAX		_XOPEN_IOV_MAX
811 # elif defined(DEF_IOV_MAX)
812 #  define	IOV_MAX		DEF_IOV_MAX
813 # else
814 #  define	IOV_MAX		16
815 # endif
816 #endif
817 
818 #ifndef EWOULDBLOCK
819 # define EWOULDBLOCK EAGAIN
820 #endif
821 
822 #ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
823 #define INET6_ADDRSTRLEN 46
824 #endif
825 
826 #ifndef SSH_IOBUFSZ
827 # define SSH_IOBUFSZ 8192
828 #endif
829 
830 /*
831  * We want functions in openbsd-compat, if enabled, to override system ones.
832  * We no-op out the weak symbol definition rather than remove it to reduce
833  * future sync problems.
834  */
835 #define DEF_WEAK(x)
836 
837 /*
838  * Platforms that have arc4random_uniform() and not arc4random_stir()
839  * shouldn't need the latter.
840  */
841 #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
842     !defined(HAVE_ARC4RANDOM_STIR)
843 # define arc4random_stir()
844 #endif
845 
846 #ifndef HAVE_VA_COPY
847 # ifdef HAVE___VA_COPY
848 #  define va_copy(dest, src) __va_copy(dest, src)
849 # else
850 #  define va_copy(dest, src) (dest) = (src)
851 # endif
852 #endif
853 
854 #ifndef __predict_true
855 # if defined(__GNUC__) && \
856      ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
857 #  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
858 #  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
859 # else
860 #  define __predict_true(exp)     ((exp) != 0)
861 #  define __predict_false(exp)    ((exp) != 0)
862 # endif /* gcc version */
863 #endif /* __predict_true */
864 
865 #if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \
866     defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \
867     defined(HAVE_DECL_GLOB_NOMATCH) &&  HAVE_DECL_GLOB_NOMATCH != 0 && \
868     !defined(BROKEN_GLOB)
869 # define USE_SYSTEM_GLOB
870 #endif
871 
872 #endif /* _DEFINES_H */
873