xref: /freebsd/crypto/openssh/defines.h (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
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 /* 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 /*
196 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
197 including 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
209 typedef unsigned int u_int;
210 #endif
211 
212 #ifndef HAVE_INTXX_T
213 typedef signed char int8_t;
214 # if (SIZEOF_SHORT_INT == 2)
215 typedef short int int16_t;
216 # else
217 #   error "16 bit int type not found."
218 # endif
219 # if (SIZEOF_INT == 4)
220 typedef int int32_t;
221 # else
222 #   error "32 bit int type not found."
223 # endif
224 #endif
225 
226 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */
227 #ifndef HAVE_U_INTXX_T
228 # ifdef HAVE_UINTXX_T
229 typedef uint8_t u_int8_t;
230 typedef uint16_t u_int16_t;
231 typedef uint32_t u_int32_t;
232 # define HAVE_U_INTXX_T 1
233 # else
234 typedef unsigned char u_int8_t;
235 #  if (SIZEOF_SHORT_INT == 2)
236 typedef unsigned short int u_int16_t;
237 #  else
238 #    error "16 bit int type not found."
239 #  endif
240 #  if (SIZEOF_INT == 4)
241 typedef unsigned int u_int32_t;
242 #  else
243 #    error "32 bit int type not found."
244 #  endif
245 # endif
246 #define __BIT_TYPES_DEFINED__
247 #endif
248 
249 /* 64-bit types */
250 #ifndef HAVE_INT64_T
251 # if (SIZEOF_LONG_INT == 8)
252 typedef long int int64_t;
253 # else
254 #  if (SIZEOF_LONG_LONG_INT == 8)
255 typedef long long int int64_t;
256 #  endif
257 # endif
258 #endif
259 #ifndef HAVE_U_INT64_T
260 # if (SIZEOF_LONG_INT == 8)
261 typedef unsigned long int u_int64_t;
262 # else
263 #  if (SIZEOF_LONG_LONG_INT == 8)
264 typedef unsigned long long int u_int64_t;
265 #  endif
266 # endif
267 #endif
268 
269 #ifndef HAVE_UINTXX_T
270 typedef u_int8_t uint8_t;
271 typedef u_int16_t uint16_t;
272 typedef u_int32_t uint32_t;
273 typedef u_int64_t uint64_t;
274 #endif
275 
276 #ifndef HAVE_INTMAX_T
277 typedef long long intmax_t;
278 #endif
279 
280 #ifndef HAVE_UINTMAX_T
281 typedef unsigned long long uintmax_t;
282 #endif
283 
284 #ifndef HAVE_U_CHAR
285 typedef unsigned char u_char;
286 # define HAVE_U_CHAR
287 #endif /* HAVE_U_CHAR */
288 
289 #ifndef ULLONG_MAX
290 # define ULLONG_MAX ((unsigned long long)-1)
291 #endif
292 
293 #ifndef SIZE_T_MAX
294 #define SIZE_T_MAX ULONG_MAX
295 #endif /* SIZE_T_MAX */
296 
297 #ifndef HAVE_SIZE_T
298 typedef unsigned int size_t;
299 # define HAVE_SIZE_T
300 # define SIZE_T_MAX UINT_MAX
301 #endif /* HAVE_SIZE_T */
302 
303 #ifndef SIZE_MAX
304 #define SIZE_MAX SIZE_T_MAX
305 #endif
306 
307 #ifndef INT32_MAX
308 # if (SIZEOF_INT == 4)
309 #  define INT32_MAX INT_MAX
310 # elif (SIZEOF_LONG == 4)
311 #  define INT32_MAX LONG_MAX
312 # else
313 #  error "need INT32_MAX"
314 # endif
315 #endif
316 
317 #ifndef INT64_MAX
318 # if (SIZEOF_INT == 8)
319 #  define INT64_MAX INT_MAX
320 # elif (SIZEOF_LONG == 8)
321 #  define INT64_MAX LONG_MAX
322 # elif (SIZEOF_LONG_LONG_INT == 8)
323 #  define INT64_MAX LLONG_MAX
324 # else
325 #  error "need INT64_MAX"
326 # endif
327 #endif
328 
329 #ifndef HAVE_SSIZE_T
330 typedef int ssize_t;
331 # define HAVE_SSIZE_T
332 #endif /* HAVE_SSIZE_T */
333 
334 #ifndef HAVE_CLOCK_T
335 typedef long clock_t;
336 # define HAVE_CLOCK_T
337 #endif /* HAVE_CLOCK_T */
338 
339 #ifndef HAVE_SA_FAMILY_T
340 typedef int sa_family_t;
341 # define HAVE_SA_FAMILY_T
342 #endif /* HAVE_SA_FAMILY_T */
343 
344 #ifndef HAVE_PID_T
345 typedef int pid_t;
346 # define HAVE_PID_T
347 #endif /* HAVE_PID_T */
348 
349 #ifndef HAVE_SIG_ATOMIC_T
350 typedef int sig_atomic_t;
351 # define HAVE_SIG_ATOMIC_T
352 #endif /* HAVE_SIG_ATOMIC_T */
353 
354 #ifndef HAVE_MODE_T
355 typedef int mode_t;
356 # define HAVE_MODE_T
357 #endif /* HAVE_MODE_T */
358 
359 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
360 # define ss_family __ss_family
361 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
362 
363 #ifndef HAVE_SYS_UN_H
364 struct	sockaddr_un {
365 	short	sun_family;		/* AF_UNIX */
366 	char	sun_path[108];		/* path name (gag) */
367 };
368 #endif /* HAVE_SYS_UN_H */
369 
370 #ifndef HAVE_IN_ADDR_T
371 typedef u_int32_t	in_addr_t;
372 #endif
373 #ifndef HAVE_IN_PORT_T
374 typedef u_int16_t	in_port_t;
375 #endif
376 
377 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
378 #define _STRUCT_WINSIZE
379 struct winsize {
380       unsigned short ws_row;          /* rows, in characters */
381       unsigned short ws_col;          /* columns, in character */
382       unsigned short ws_xpixel;       /* horizontal size, pixels */
383       unsigned short ws_ypixel;       /* vertical size, pixels */
384 };
385 #endif
386 
387 /* bits needed for select that may not be in the system headers */
388 #ifndef HAVE_FD_MASK
389  typedef unsigned long int	fd_mask;
390 #endif
391 
392 #if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
393 # define	NFDBITS (8 * sizeof(unsigned long))
394 #endif
395 
396 #if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
397 # define howmany(x,y)	(((x)+((y)-1))/(y))
398 #endif
399 
400 /* Paths */
401 
402 #ifndef _PATH_BSHELL
403 # define _PATH_BSHELL "/bin/sh"
404 #endif
405 
406 #ifdef USER_PATH
407 # ifdef _PATH_STDPATH
408 #  undef _PATH_STDPATH
409 # endif
410 # define _PATH_STDPATH USER_PATH
411 #endif
412 
413 #ifndef _PATH_STDPATH
414 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
415 #endif
416 
417 #ifndef SUPERUSER_PATH
418 # define SUPERUSER_PATH	_PATH_STDPATH
419 #endif
420 
421 #ifndef _PATH_DEVNULL
422 # define _PATH_DEVNULL "/dev/null"
423 #endif
424 
425 /* user may have set a different path */
426 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
427 # undef _PATH_MAILDIR
428 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
429 
430 #ifdef MAIL_DIRECTORY
431 # define _PATH_MAILDIR MAIL_DIRECTORY
432 #endif
433 
434 #ifndef _PATH_NOLOGIN
435 # define _PATH_NOLOGIN "/etc/nologin"
436 #endif
437 
438 /* Define this to be the path of the xauth program. */
439 #ifdef XAUTH_PATH
440 #define _PATH_XAUTH XAUTH_PATH
441 #endif /* XAUTH_PATH */
442 
443 /* derived from XF4/xc/lib/dps/Xlibnet.h */
444 #ifndef X_UNIX_PATH
445 #  ifdef __hpux
446 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
447 #  else
448 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
449 #  endif
450 #endif /* X_UNIX_PATH */
451 #define _PATH_UNIX_X X_UNIX_PATH
452 
453 #ifndef _PATH_TTY
454 # define _PATH_TTY "/dev/tty"
455 #endif
456 
457 /* Macros */
458 
459 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
460 # define HAVE_LOGIN_CAP
461 #endif
462 
463 #ifndef MAX
464 # define MAX(a,b) (((a)>(b))?(a):(b))
465 # define MIN(a,b) (((a)<(b))?(a):(b))
466 #endif
467 
468 #ifndef roundup
469 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
470 #endif
471 
472 #ifndef timersub
473 #define timersub(a, b, result)					\
474    do {								\
475       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
476       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
477       if ((result)->tv_usec < 0) {				\
478 	 --(result)->tv_sec;					\
479 	 (result)->tv_usec += 1000000;				\
480       }								\
481    } while (0)
482 #endif
483 
484 #ifndef TIMEVAL_TO_TIMESPEC
485 #define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
486 	(ts)->tv_sec = (tv)->tv_sec;					\
487 	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
488 }
489 #endif
490 
491 #ifndef TIMESPEC_TO_TIMEVAL
492 #define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
493 	(tv)->tv_sec = (ts)->tv_sec;					\
494 	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
495 }
496 #endif
497 
498 #ifndef timespeccmp
499 #define timespeccmp(tsp, usp, cmp)					\
500 	(((tsp)->tv_sec == (usp)->tv_sec) ?				\
501 	    ((tsp)->tv_nsec cmp (usp)->tv_nsec) :			\
502 	    ((tsp)->tv_sec cmp (usp)->tv_sec))
503 #endif
504 
505 #ifndef __P
506 # define __P(x) x
507 #endif
508 
509 #if !defined(IN6_IS_ADDR_V4MAPPED)
510 # define IN6_IS_ADDR_V4MAPPED(a) \
511 	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
512 	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
513 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
514 
515 #if !defined(__GNUC__) || (__GNUC__ < 2)
516 # define __attribute__(x)
517 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
518 
519 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
520 # define __sentinel__
521 #endif
522 
523 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
524 # define __bounded__(x, y, z)
525 #endif
526 
527 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
528 # define __nonnull__(x)
529 #endif
530 
531 #ifndef OSSH_ALIGNBYTES
532 #define OSSH_ALIGNBYTES	(sizeof(int) - 1)
533 #endif
534 #ifndef __CMSG_ALIGN
535 #define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
536 #endif
537 
538 /* Length of the contents of a control message of length len */
539 #ifndef CMSG_LEN
540 #define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
541 #endif
542 
543 /* Length of the space taken up by a padded control message of length len */
544 #ifndef CMSG_SPACE
545 #define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
546 #endif
547 
548 /* given pointer to struct cmsghdr, return pointer to data */
549 #ifndef CMSG_DATA
550 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
551 #endif /* CMSG_DATA */
552 
553 /*
554  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
555  * an empty list for some reasons.
556  */
557 #ifndef CMSG_FIRSTHDR
558 #define CMSG_FIRSTHDR(mhdr) \
559 	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
560 	 (struct cmsghdr *)(mhdr)->msg_control : \
561 	 (struct cmsghdr *)NULL)
562 #endif /* CMSG_FIRSTHDR */
563 
564 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
565 # define offsetof(type, member) ((size_t) &((type *)0)->member)
566 #endif
567 
568 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
569 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
570 #ifndef BYTE_ORDER
571 # ifndef LITTLE_ENDIAN
572 #  define LITTLE_ENDIAN  1234
573 # endif /* LITTLE_ENDIAN */
574 # ifndef BIG_ENDIAN
575 #  define BIG_ENDIAN     4321
576 # endif /* BIG_ENDIAN */
577 # ifdef WORDS_BIGENDIAN
578 #  define BYTE_ORDER BIG_ENDIAN
579 # else /* WORDS_BIGENDIAN */
580 #  define BYTE_ORDER LITTLE_ENDIAN
581 # endif /* WORDS_BIGENDIAN */
582 #endif /* BYTE_ORDER */
583 
584 /* Function replacement / compatibility hacks */
585 
586 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
587 # define HAVE_GETADDRINFO
588 #endif
589 
590 #ifndef HAVE_GETOPT_OPTRESET
591 # undef getopt
592 # undef opterr
593 # undef optind
594 # undef optopt
595 # undef optreset
596 # undef optarg
597 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
598 # define opterr             BSDopterr
599 # define optind             BSDoptind
600 # define optopt             BSDoptopt
601 # define optreset           BSDoptreset
602 # define optarg             BSDoptarg
603 #endif
604 
605 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
606 # undef HAVE_GETADDRINFO
607 #endif
608 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
609 # undef HAVE_FREEADDRINFO
610 #endif
611 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
612 # undef HAVE_GAI_STRERROR
613 #endif
614 
615 #if defined(HAVE_GETADDRINFO)
616 # if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0
617 #   define AI_NUMERICSERV	0
618 # endif
619 #endif
620 
621 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
622 # undef HAVE_UPDWTMPX
623 #endif
624 
625 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
626 # undef HAS_SHADOW_EXPIRE
627 #endif
628 
629 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
630     defined(SYSLOG_R_SAFE_IN_SIGHAND)
631 # define DO_LOG_SAFE_IN_SIGHAND
632 #endif
633 
634 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
635 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
636 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
637 
638 #ifndef GETPGRP_VOID
639 # include <unistd.h>
640 # define getpgrp() getpgrp(0)
641 #endif
642 
643 #ifdef USE_BSM_AUDIT
644 # define SSH_AUDIT_EVENTS
645 # define CUSTOM_SSH_AUDIT_EVENTS
646 #endif
647 
648 #ifdef USE_LINUX_AUDIT
649 # define SSH_AUDIT_EVENTS
650 # define CUSTOM_SSH_AUDIT_EVENTS
651 #endif
652 
653 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
654 #  define __func__ __FUNCTION__
655 #elif !defined(HAVE___func__)
656 #  define __func__ ""
657 #endif
658 
659 #if defined(KRB5) && !defined(HEIMDAL)
660 #  define krb5_get_err_text(context,code) error_message(code)
661 #endif
662 
663 /* Maximum number of file descriptors available */
664 #ifdef HAVE_SYSCONF
665 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
666 #else
667 # define SSH_SYSFDMAX 10000
668 #endif
669 
670 #ifdef FSID_HAS_VAL
671 /* encode f_fsid into a 64 bit value  */
672 #define FSID_TO_ULONG(f) \
673 	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
674 	    ((f).val[1] & 0xffffffffUL))
675 #elif defined(FSID_HAS___VAL)
676 #define FSID_TO_ULONG(f) \
677 	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
678 	    ((f).__val[1] & 0xffffffffUL))
679 #else
680 # define FSID_TO_ULONG(f) ((f))
681 #endif
682 
683 #if defined(__Lynx__)
684  /*
685   * LynxOS defines these in param.h which we do not want to include since
686   * it will also pull in a bunch of kernel definitions.
687   */
688 # define ALIGNBYTES (sizeof(int) - 1)
689 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
690   /* Missing prototypes on LynxOS */
691   int snprintf (char *, size_t, const char *, ...);
692   int mkstemp (char *);
693   char *crypt (const char *, const char *);
694   int seteuid (uid_t);
695   int setegid (gid_t);
696   char *mkdtemp (char *);
697   int rresvport_af (int *, sa_family_t);
698   int innetgr (const char *, const char *, const char *, const char *);
699 #endif
700 
701 /*
702  * Define this to use pipes instead of socketpairs for communicating with the
703  * client program.  Socketpairs do not seem to work on all systems.
704  *
705  * configure.ac sets this for a few OS's which are known to have problems
706  * but you may need to set it yourself
707  */
708 /* #define USE_PIPES 1 */
709 
710 /**
711  ** login recorder definitions
712  **/
713 
714 /* FIXME: put default paths back in */
715 #ifndef UTMP_FILE
716 #  ifdef _PATH_UTMP
717 #    define UTMP_FILE _PATH_UTMP
718 #  else
719 #    ifdef CONF_UTMP_FILE
720 #      define UTMP_FILE CONF_UTMP_FILE
721 #    endif
722 #  endif
723 #endif
724 #ifndef WTMP_FILE
725 #  ifdef _PATH_WTMP
726 #    define WTMP_FILE _PATH_WTMP
727 #  else
728 #    ifdef CONF_WTMP_FILE
729 #      define WTMP_FILE CONF_WTMP_FILE
730 #    endif
731 #  endif
732 #endif
733 /* pick up the user's location for lastlog if given */
734 #ifndef LASTLOG_FILE
735 #  ifdef _PATH_LASTLOG
736 #    define LASTLOG_FILE _PATH_LASTLOG
737 #  else
738 #    ifdef CONF_LASTLOG_FILE
739 #      define LASTLOG_FILE CONF_LASTLOG_FILE
740 #    endif
741 #  endif
742 #endif
743 
744 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
745 # define USE_SHADOW
746 #endif
747 
748 /* The login() library function in libutil is first choice */
749 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
750 #  define USE_LOGIN
751 
752 #else
753 /* Simply select your favourite login types. */
754 /* Can't do if-else because some systems use several... <sigh> */
755 #  if !defined(DISABLE_UTMPX)
756 #    define USE_UTMPX
757 #  endif
758 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
759 #    define USE_UTMP
760 #  endif
761 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
762 #    define USE_WTMPX
763 #  endif
764 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
765 #    define USE_WTMP
766 #  endif
767 
768 #endif
769 
770 #ifndef UT_LINESIZE
771 # define UT_LINESIZE 8
772 #endif
773 
774 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
775 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
776 #  define USE_LASTLOG
777 #endif
778 
779 #ifdef HAVE_OSF_SIA
780 # ifdef USE_SHADOW
781 #  undef USE_SHADOW
782 # endif
783 # define CUSTOM_SYS_AUTH_PASSWD 1
784 #endif
785 
786 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
787 # define CUSTOM_SYS_AUTH_PASSWD 1
788 #endif
789 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
790 # define USE_LIBIAF
791 #endif
792 
793 /* HP-UX 11.11 */
794 #ifdef BTMP_FILE
795 # define _PATH_BTMP BTMP_FILE
796 #endif
797 
798 #if defined(USE_BTMP) && defined(_PATH_BTMP)
799 # define CUSTOM_FAILED_LOGIN
800 #endif
801 
802 /** end of login recorder definitions */
803 
804 #ifdef BROKEN_GETGROUPS
805 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
806 #endif
807 
808 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
809 # undef HAVE_MMAP
810 #endif
811 
812 #ifndef IOV_MAX
813 # if defined(_XOPEN_IOV_MAX)
814 #  define	IOV_MAX		_XOPEN_IOV_MAX
815 # elif defined(DEF_IOV_MAX)
816 #  define	IOV_MAX		DEF_IOV_MAX
817 # else
818 #  define	IOV_MAX		16
819 # endif
820 #endif
821 
822 #ifndef EWOULDBLOCK
823 # define EWOULDBLOCK EAGAIN
824 #endif
825 
826 #ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
827 #define INET6_ADDRSTRLEN 46
828 #endif
829 
830 #ifndef SSH_IOBUFSZ
831 # define SSH_IOBUFSZ 8192
832 #endif
833 
834 /*
835  * We want functions in openbsd-compat, if enabled, to override system ones.
836  * We no-op out the weak symbol definition rather than remove it to reduce
837  * future sync problems.
838  */
839 #define DEF_WEAK(x)
840 
841 /*
842  * Platforms that have arc4random_uniform() and not arc4random_stir()
843  * shouldn't need the latter.
844  */
845 #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
846     !defined(HAVE_ARC4RANDOM_STIR)
847 # define arc4random_stir()
848 #endif
849 
850 #ifndef HAVE_VA_COPY
851 # ifdef HAVE___VA_COPY
852 #  define va_copy(dest, src) __va_copy(dest, src)
853 # else
854 #  define va_copy(dest, src) (dest) = (src)
855 # endif
856 #endif
857 
858 #ifndef __predict_true
859 # if defined(__GNUC__) && \
860      ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
861 #  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
862 #  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
863 # else
864 #  define __predict_true(exp)     ((exp) != 0)
865 #  define __predict_false(exp)    ((exp) != 0)
866 # endif /* gcc version */
867 #endif /* __predict_true */
868 
869 #if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \
870     defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \
871     defined(HAVE_DECL_GLOB_NOMATCH) &&  HAVE_DECL_GLOB_NOMATCH != 0 && \
872     !defined(BROKEN_GLOB)
873 # define USE_SYSTEM_GLOB
874 #endif
875 
876 #endif /* _DEFINES_H */
877