1 /*
2  * Copyright (c) 1999-2003 Damien Miller.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  */
24 
25 #ifndef _DEFINES_H
26 #define _DEFINES_H
27 
28 /* $Id: defines.h,v 1.183 2014/09/02 19:33:26 djm Exp $ */
29 
30 
31 /* Constants */
32 
33 #if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0
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 /*
46  * Definitions for IP type of service (ip_tos)
47  */
48 #include <netinet/in_systm.h>
49 #include <netinet/ip.h>
50 #ifndef IPTOS_LOWDELAY
51 # define IPTOS_LOWDELAY          0x10
52 # define IPTOS_THROUGHPUT        0x08
53 # define IPTOS_RELIABILITY       0x04
54 # define IPTOS_LOWCOST           0x02
55 # define IPTOS_MINCOST           IPTOS_LOWCOST
56 #endif /* IPTOS_LOWDELAY */
57 
58 /*
59  * Definitions for DiffServ Codepoints as per RFC2474
60  */
61 #ifndef IPTOS_DSCP_AF11
62 # define	IPTOS_DSCP_AF11		0x28
63 # define	IPTOS_DSCP_AF12		0x30
64 # define	IPTOS_DSCP_AF13		0x38
65 # define	IPTOS_DSCP_AF21		0x48
66 # define	IPTOS_DSCP_AF22		0x50
67 # define	IPTOS_DSCP_AF23		0x58
68 # define	IPTOS_DSCP_AF31		0x68
69 # define	IPTOS_DSCP_AF32		0x70
70 # define	IPTOS_DSCP_AF33		0x78
71 # define	IPTOS_DSCP_AF41		0x88
72 # define	IPTOS_DSCP_AF42		0x90
73 # define	IPTOS_DSCP_AF43		0x98
74 # define	IPTOS_DSCP_EF		0xb8
75 #endif /* IPTOS_DSCP_AF11 */
76 #ifndef IPTOS_DSCP_CS0
77 # define	IPTOS_DSCP_CS0		0x00
78 # define	IPTOS_DSCP_CS1		0x20
79 # define	IPTOS_DSCP_CS2		0x40
80 # define	IPTOS_DSCP_CS3		0x60
81 # define	IPTOS_DSCP_CS4		0x80
82 # define	IPTOS_DSCP_CS5		0xa0
83 # define	IPTOS_DSCP_CS6		0xc0
84 # define	IPTOS_DSCP_CS7		0xe0
85 #endif /* IPTOS_DSCP_CS0 */
86 #ifndef IPTOS_DSCP_EF
87 # define	IPTOS_DSCP_EF		0xb8
88 #endif /* IPTOS_DSCP_EF */
89 
90 #ifndef PATH_MAX
91 # ifdef _POSIX_PATH_MAX
92 # define PATH_MAX _POSIX_PATH_MAX
93 # endif
94 #endif
95 
96 #ifndef MAXPATHLEN
97 # ifdef PATH_MAX
98 #  define MAXPATHLEN PATH_MAX
99 # else /* PATH_MAX */
100 #  define MAXPATHLEN 64
101 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
102 #  ifndef BROKEN_REALPATH
103 #   define BROKEN_REALPATH 1
104 #  endif /* BROKEN_REALPATH */
105 # endif /* PATH_MAX */
106 #endif /* MAXPATHLEN */
107 
108 #ifndef HOST_NAME_MAX
109 # include "netdb.h" /* for MAXHOSTNAMELEN */
110 # if defined(_POSIX_HOST_NAME_MAX)
111 #  define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
112 # elif defined(MAXHOSTNAMELEN)
113 #  define HOST_NAME_MAX MAXHOSTNAMELEN
114 # else
115 #  define HOST_NAME_MAX	255
116 # endif
117 #endif /* HOST_NAME_MAX */
118 
119 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
120 # define MAXSYMLINKS 5
121 #endif
122 
123 #ifndef STDIN_FILENO
124 # define STDIN_FILENO    0
125 #endif
126 #ifndef STDOUT_FILENO
127 # define STDOUT_FILENO   1
128 #endif
129 #ifndef STDERR_FILENO
130 # define STDERR_FILENO   2
131 #endif
132 
133 #ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
134 #ifdef NGROUPS
135 #define NGROUPS_MAX NGROUPS
136 #else
137 #define NGROUPS_MAX 0
138 #endif
139 #endif
140 
141 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
142 # define O_NONBLOCK      00004	/* Non Blocking Open */
143 #endif
144 
145 #ifndef S_IFSOCK
146 # define S_IFSOCK 0
147 #endif /* S_IFSOCK */
148 
149 #ifndef S_ISDIR
150 # define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
151 #endif /* S_ISDIR */
152 
153 #ifndef S_ISREG
154 # define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
155 #endif /* S_ISREG */
156 
157 #ifndef S_ISLNK
158 # define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
159 #endif /* S_ISLNK */
160 
161 #ifndef S_IXUSR
162 # define S_IXUSR			0000100	/* execute/search permission, */
163 # define S_IXGRP			0000010	/* execute/search permission, */
164 # define S_IXOTH			0000001	/* execute/search permission, */
165 # define _S_IWUSR			0000200	/* write permission, */
166 # define S_IWUSR			_S_IWUSR	/* write permission, owner */
167 # define S_IWGRP			0000020	/* write permission, group */
168 # define S_IWOTH			0000002	/* write permission, other */
169 # define S_IRUSR			0000400	/* read permission, owner */
170 # define S_IRGRP			0000040	/* read permission, group */
171 # define S_IROTH			0000004	/* read permission, other */
172 # define S_IRWXU			0000700	/* read, write, execute */
173 # define S_IRWXG			0000070	/* read, write, execute */
174 # define S_IRWXO			0000007	/* read, write, execute */
175 #endif /* S_IXUSR */
176 
177 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
178 #define MAP_ANON MAP_ANONYMOUS
179 #endif
180 
181 #ifndef MAP_FAILED
182 # define MAP_FAILED ((void *)-1)
183 #endif
184 
185 /*
186 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
187 including rpc/rpc.h breaks Solaris 6
188 */
189 #ifndef INADDR_LOOPBACK
190 #define INADDR_LOOPBACK ((u_long)0x7f000001)
191 #endif
192 
193 /* Types */
194 
195 /* If sys/types.h does not supply intXX_t, supply them ourselves */
196 /* (or die trying) */
197 
198 #ifndef HAVE_U_INT
199 typedef unsigned int u_int;
200 #endif
201 
202 #ifndef HAVE_INTXX_T
203 typedef signed char int8_t;
204 # if (SIZEOF_SHORT_INT == 2)
205 typedef short int int16_t;
206 # else
207 #  ifdef _UNICOS
208 #   if (SIZEOF_SHORT_INT == 4)
209 typedef short int16_t;
210 #   else
211 typedef long  int16_t;
212 #   endif
213 #  else
214 #   error "16 bit int type not found."
215 #  endif /* _UNICOS */
216 # endif
217 # if (SIZEOF_INT == 4)
218 typedef int int32_t;
219 # else
220 #  ifdef _UNICOS
221 typedef long  int32_t;
222 #  else
223 #   error "32 bit int type not found."
224 #  endif /* _UNICOS */
225 # endif
226 #endif
227 
228 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */
229 #ifndef HAVE_U_INTXX_T
230 # ifdef HAVE_UINTXX_T
231 typedef uint8_t u_int8_t;
232 typedef uint16_t u_int16_t;
233 typedef uint32_t u_int32_t;
234 # define HAVE_U_INTXX_T 1
235 # else
236 typedef unsigned char u_int8_t;
237 #  if (SIZEOF_SHORT_INT == 2)
238 typedef unsigned short int u_int16_t;
239 #  else
240 #   ifdef _UNICOS
241 #    if (SIZEOF_SHORT_INT == 4)
242 typedef unsigned short u_int16_t;
243 #    else
244 typedef unsigned long  u_int16_t;
245 #    endif
246 #   else
247 #    error "16 bit int type not found."
248 #   endif
249 #  endif
250 #  if (SIZEOF_INT == 4)
251 typedef unsigned int u_int32_t;
252 #  else
253 #   ifdef _UNICOS
254 typedef unsigned long  u_int32_t;
255 #   else
256 #    error "32 bit int type not found."
257 #   endif
258 #  endif
259 # endif
260 #define __BIT_TYPES_DEFINED__
261 #endif
262 
263 /* 64-bit types */
264 #ifndef HAVE_INT64_T
265 # if (SIZEOF_LONG_INT == 8)
266 typedef long int int64_t;
267 # else
268 #  if (SIZEOF_LONG_LONG_INT == 8)
269 typedef long long int int64_t;
270 #  endif
271 # endif
272 #endif
273 #ifndef HAVE_U_INT64_T
274 # if (SIZEOF_LONG_INT == 8)
275 typedef unsigned long int u_int64_t;
276 # else
277 #  if (SIZEOF_LONG_LONG_INT == 8)
278 typedef unsigned long long int u_int64_t;
279 #  endif
280 # endif
281 #endif
282 
283 #ifndef HAVE_UINTXX_T
284 typedef u_int8_t uint8_t;
285 typedef u_int16_t uint16_t;
286 typedef u_int32_t uint32_t;
287 typedef u_int64_t uint64_t;
288 #endif
289 
290 #ifndef HAVE_INTMAX_T
291 typedef long long intmax_t;
292 #endif
293 
294 #ifndef HAVE_UINTMAX_T
295 typedef unsigned long long uintmax_t;
296 #endif
297 
298 #ifndef HAVE_U_CHAR
299 typedef unsigned char u_char;
300 # define HAVE_U_CHAR
301 #endif /* HAVE_U_CHAR */
302 
303 #ifndef ULLONG_MAX
304 # define ULLONG_MAX ((unsigned long long)-1)
305 #endif
306 
307 #ifndef SIZE_T_MAX
308 #define SIZE_T_MAX ULONG_MAX
309 #endif /* SIZE_T_MAX */
310 
311 #ifndef HAVE_SIZE_T
312 typedef unsigned int size_t;
313 # define HAVE_SIZE_T
314 # define SIZE_T_MAX UINT_MAX
315 #endif /* HAVE_SIZE_T */
316 
317 #ifndef SIZE_MAX
318 #define SIZE_MAX SIZE_T_MAX
319 #endif
320 
321 #ifndef HAVE_SSIZE_T
322 typedef int ssize_t;
323 # define HAVE_SSIZE_T
324 #endif /* HAVE_SSIZE_T */
325 
326 #ifndef HAVE_CLOCK_T
327 typedef long clock_t;
328 # define HAVE_CLOCK_T
329 #endif /* HAVE_CLOCK_T */
330 
331 #ifndef HAVE_SA_FAMILY_T
332 typedef int sa_family_t;
333 # define HAVE_SA_FAMILY_T
334 #endif /* HAVE_SA_FAMILY_T */
335 
336 #ifndef HAVE_PID_T
337 typedef int pid_t;
338 # define HAVE_PID_T
339 #endif /* HAVE_PID_T */
340 
341 #ifndef HAVE_SIG_ATOMIC_T
342 typedef int sig_atomic_t;
343 # define HAVE_SIG_ATOMIC_T
344 #endif /* HAVE_SIG_ATOMIC_T */
345 
346 #ifndef HAVE_MODE_T
347 typedef int mode_t;
348 # define HAVE_MODE_T
349 #endif /* HAVE_MODE_T */
350 
351 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
352 # define ss_family __ss_family
353 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
354 
355 #ifndef HAVE_SYS_UN_H
356 struct	sockaddr_un {
357 	short	sun_family;		/* AF_UNIX */
358 	char	sun_path[108];		/* path name (gag) */
359 };
360 #endif /* HAVE_SYS_UN_H */
361 
362 #ifndef HAVE_IN_ADDR_T
363 typedef u_int32_t	in_addr_t;
364 #endif
365 #ifndef HAVE_IN_PORT_T
366 typedef u_int16_t	in_port_t;
367 #endif
368 
369 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
370 #define _STRUCT_WINSIZE
371 struct winsize {
372       unsigned short ws_row;          /* rows, in characters */
373       unsigned short ws_col;          /* columns, in character */
374       unsigned short ws_xpixel;       /* horizontal size, pixels */
375       unsigned short ws_ypixel;       /* vertical size, pixels */
376 };
377 #endif
378 
379 /* bits needed for select that may not be in the system headers */
380 #ifndef HAVE_FD_MASK
381  typedef unsigned long int	fd_mask;
382 #endif
383 
384 #if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
385 # define	NFDBITS (8 * sizeof(unsigned long))
386 #endif
387 
388 #if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
389 # define howmany(x,y)	(((x)+((y)-1))/(y))
390 #endif
391 
392 /* Paths */
393 
394 #ifndef _PATH_BSHELL
395 # define _PATH_BSHELL "/bin/sh"
396 #endif
397 
398 #ifdef USER_PATH
399 # ifdef _PATH_STDPATH
400 #  undef _PATH_STDPATH
401 # endif
402 # define _PATH_STDPATH USER_PATH
403 #endif
404 
405 #ifndef _PATH_STDPATH
406 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
407 #endif
408 
409 #ifndef SUPERUSER_PATH
410 # define SUPERUSER_PATH	_PATH_STDPATH
411 #endif
412 
413 #ifndef _PATH_DEVNULL
414 # define _PATH_DEVNULL "/dev/null"
415 #endif
416 
417 /* user may have set a different path */
418 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
419 # undef _PATH_MAILDIR
420 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
421 
422 #ifdef MAIL_DIRECTORY
423 # define _PATH_MAILDIR MAIL_DIRECTORY
424 #endif
425 
426 #ifndef _PATH_NOLOGIN
427 # define _PATH_NOLOGIN "/etc/nologin"
428 #endif
429 
430 /* Define this to be the path of the xauth program. */
431 #ifdef XAUTH_PATH
432 #define _PATH_XAUTH XAUTH_PATH
433 #endif /* XAUTH_PATH */
434 
435 /* derived from XF4/xc/lib/dps/Xlibnet.h */
436 #ifndef X_UNIX_PATH
437 #  ifdef __hpux
438 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
439 #  else
440 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
441 #  endif
442 #endif /* X_UNIX_PATH */
443 #define _PATH_UNIX_X X_UNIX_PATH
444 
445 #ifndef _PATH_TTY
446 # define _PATH_TTY "/dev/tty"
447 #endif
448 
449 /* Macros */
450 
451 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
452 # define HAVE_LOGIN_CAP
453 #endif
454 
455 #ifndef MAX
456 # define MAX(a,b) (((a)>(b))?(a):(b))
457 # define MIN(a,b) (((a)<(b))?(a):(b))
458 #endif
459 
460 #ifndef roundup
461 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
462 #endif
463 
464 #ifndef timersub
465 #define timersub(a, b, result)					\
466    do {								\
467       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
468       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
469       if ((result)->tv_usec < 0) {				\
470 	 --(result)->tv_sec;					\
471 	 (result)->tv_usec += 1000000;				\
472       }								\
473    } while (0)
474 #endif
475 
476 #ifndef TIMEVAL_TO_TIMESPEC
477 #define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
478 	(ts)->tv_sec = (tv)->tv_sec;					\
479 	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
480 }
481 #endif
482 
483 #ifndef TIMESPEC_TO_TIMEVAL
484 #define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
485 	(tv)->tv_sec = (ts)->tv_sec;					\
486 	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
487 }
488 #endif
489 
490 #ifndef __P
491 # define __P(x) x
492 #endif
493 
494 #if !defined(IN6_IS_ADDR_V4MAPPED)
495 # define IN6_IS_ADDR_V4MAPPED(a) \
496 	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
497 	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
498 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
499 
500 #if !defined(__GNUC__) || (__GNUC__ < 2)
501 # define __attribute__(x)
502 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
503 
504 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
505 # define __sentinel__
506 #endif
507 
508 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
509 # define __bounded__(x, y, z)
510 #endif
511 
512 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
513 # define __nonnull__(x)
514 #endif
515 
516 #ifndef OSSH_ALIGNBYTES
517 #define OSSH_ALIGNBYTES	(sizeof(int) - 1)
518 #endif
519 #ifndef __CMSG_ALIGN
520 #define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
521 #endif
522 
523 /* Length of the contents of a control message of length len */
524 #ifndef CMSG_LEN
525 #define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
526 #endif
527 
528 /* Length of the space taken up by a padded control message of length len */
529 #ifndef CMSG_SPACE
530 #define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
531 #endif
532 
533 /* given pointer to struct cmsghdr, return pointer to data */
534 #ifndef CMSG_DATA
535 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
536 #endif /* CMSG_DATA */
537 
538 /*
539  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
540  * an empty list for some reasons.
541  */
542 #ifndef CMSG_FIRSTHDR
543 #define CMSG_FIRSTHDR(mhdr) \
544 	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
545 	 (struct cmsghdr *)(mhdr)->msg_control : \
546 	 (struct cmsghdr *)NULL)
547 #endif /* CMSG_FIRSTHDR */
548 
549 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
550 # define offsetof(type, member) ((size_t) &((type *)0)->member)
551 #endif
552 
553 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
554 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
555 #ifndef BYTE_ORDER
556 # ifndef LITTLE_ENDIAN
557 #  define LITTLE_ENDIAN  1234
558 # endif /* LITTLE_ENDIAN */
559 # ifndef BIG_ENDIAN
560 #  define BIG_ENDIAN     4321
561 # endif /* BIG_ENDIAN */
562 # ifdef WORDS_BIGENDIAN
563 #  define BYTE_ORDER BIG_ENDIAN
564 # else /* WORDS_BIGENDIAN */
565 #  define BYTE_ORDER LITTLE_ENDIAN
566 # endif /* WORDS_BIGENDIAN */
567 #endif /* BYTE_ORDER */
568 
569 /* Function replacement / compatibility hacks */
570 
571 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
572 # define HAVE_GETADDRINFO
573 #endif
574 
575 #ifndef HAVE_GETOPT_OPTRESET
576 # undef getopt
577 # undef opterr
578 # undef optind
579 # undef optopt
580 # undef optreset
581 # undef optarg
582 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
583 # define opterr             BSDopterr
584 # define optind             BSDoptind
585 # define optopt             BSDoptopt
586 # define optreset           BSDoptreset
587 # define optarg             BSDoptarg
588 #endif
589 
590 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
591 # undef HAVE_GETADDRINFO
592 #endif
593 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
594 # undef HAVE_FREEADDRINFO
595 #endif
596 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
597 # undef HAVE_GAI_STRERROR
598 #endif
599 
600 #if defined(HAVE_GETADDRINFO)
601 # if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0
602 #   define AI_NUMERICSERV	0
603 # endif
604 #endif
605 
606 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
607 # undef HAVE_UPDWTMPX
608 #endif
609 
610 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
611 # undef HAS_SHADOW_EXPIRE
612 #endif
613 
614 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
615     defined(SYSLOG_R_SAFE_IN_SIGHAND)
616 # define DO_LOG_SAFE_IN_SIGHAND
617 #endif
618 
619 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
620 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
621 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
622 
623 #ifndef GETPGRP_VOID
624 # include <unistd.h>
625 # define getpgrp() getpgrp(0)
626 #endif
627 
628 #ifdef USE_BSM_AUDIT
629 # define SSH_AUDIT_EVENTS
630 # define CUSTOM_SSH_AUDIT_EVENTS
631 #endif
632 
633 #ifdef USE_LINUX_AUDIT
634 # define SSH_AUDIT_EVENTS
635 # define CUSTOM_SSH_AUDIT_EVENTS
636 #endif
637 
638 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
639 #  define __func__ __FUNCTION__
640 #elif !defined(HAVE___func__)
641 #  define __func__ ""
642 #endif
643 
644 #if defined(KRB5) && !defined(HEIMDAL)
645 #  define krb5_get_err_text(context,code) error_message(code)
646 #endif
647 
648 #if defined(SKEYCHALLENGE_4ARG)
649 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
650 #else
651 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
652 #endif
653 
654 /* Maximum number of file descriptors available */
655 #ifdef HAVE_SYSCONF
656 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
657 #else
658 # define SSH_SYSFDMAX 10000
659 #endif
660 
661 #ifdef FSID_HAS_VAL
662 /* encode f_fsid into a 64 bit value  */
663 #define FSID_TO_ULONG(f) \
664 	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
665 	    ((f).val[1] & 0xffffffffUL))
666 #elif defined(FSID_HAS___VAL)
667 #define FSID_TO_ULONG(f) \
668 	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
669 	    ((f).__val[1] & 0xffffffffUL))
670 #else
671 # define FSID_TO_ULONG(f) ((f))
672 #endif
673 
674 #if defined(__Lynx__)
675  /*
676   * LynxOS defines these in param.h which we do not want to include since
677   * it will also pull in a bunch of kernel definitions.
678   */
679 # define ALIGNBYTES (sizeof(int) - 1)
680 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
681   /* Missing prototypes on LynxOS */
682   int snprintf (char *, size_t, const char *, ...);
683   int mkstemp (char *);
684   char *crypt (const char *, const char *);
685   int seteuid (uid_t);
686   int setegid (gid_t);
687   char *mkdtemp (char *);
688   int rresvport_af (int *, sa_family_t);
689   int innetgr (const char *, const char *, const char *, const char *);
690 #endif
691 
692 /*
693  * Define this to use pipes instead of socketpairs for communicating with the
694  * client program.  Socketpairs do not seem to work on all systems.
695  *
696  * configure.ac sets this for a few OS's which are known to have problems
697  * but you may need to set it yourself
698  */
699 /* #define USE_PIPES 1 */
700 
701 /**
702  ** login recorder definitions
703  **/
704 
705 /* FIXME: put default paths back in */
706 #ifndef UTMP_FILE
707 #  ifdef _PATH_UTMP
708 #    define UTMP_FILE _PATH_UTMP
709 #  else
710 #    ifdef CONF_UTMP_FILE
711 #      define UTMP_FILE CONF_UTMP_FILE
712 #    endif
713 #  endif
714 #endif
715 #ifndef WTMP_FILE
716 #  ifdef _PATH_WTMP
717 #    define WTMP_FILE _PATH_WTMP
718 #  else
719 #    ifdef CONF_WTMP_FILE
720 #      define WTMP_FILE CONF_WTMP_FILE
721 #    endif
722 #  endif
723 #endif
724 /* pick up the user's location for lastlog if given */
725 #ifndef LASTLOG_FILE
726 #  ifdef _PATH_LASTLOG
727 #    define LASTLOG_FILE _PATH_LASTLOG
728 #  else
729 #    ifdef CONF_LASTLOG_FILE
730 #      define LASTLOG_FILE CONF_LASTLOG_FILE
731 #    endif
732 #  endif
733 #endif
734 
735 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
736 # define USE_SHADOW
737 #endif
738 
739 /* The login() library function in libutil is first choice */
740 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
741 #  define USE_LOGIN
742 
743 #else
744 /* Simply select your favourite login types. */
745 /* Can't do if-else because some systems use several... <sigh> */
746 #  if !defined(DISABLE_UTMPX)
747 #    define USE_UTMPX
748 #  endif
749 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
750 #    define USE_UTMP
751 #  endif
752 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
753 #    define USE_WTMPX
754 #  endif
755 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
756 #    define USE_WTMP
757 #  endif
758 
759 #endif
760 
761 #ifndef UT_LINESIZE
762 # define UT_LINESIZE 8
763 #endif
764 
765 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
766 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
767 #  define USE_LASTLOG
768 #endif
769 
770 #ifdef HAVE_OSF_SIA
771 # ifdef USE_SHADOW
772 #  undef USE_SHADOW
773 # endif
774 # define CUSTOM_SYS_AUTH_PASSWD 1
775 #endif
776 
777 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
778 # define CUSTOM_SYS_AUTH_PASSWD 1
779 #endif
780 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
781 # define USE_LIBIAF
782 #endif
783 
784 /* HP-UX 11.11 */
785 #ifdef BTMP_FILE
786 # define _PATH_BTMP BTMP_FILE
787 #endif
788 
789 #if defined(USE_BTMP) && defined(_PATH_BTMP)
790 # define CUSTOM_FAILED_LOGIN
791 #endif
792 
793 /** end of login recorder definitions */
794 
795 #ifdef BROKEN_GETGROUPS
796 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
797 #endif
798 
799 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
800 # undef HAVE_MMAP
801 #endif
802 
803 #ifndef IOV_MAX
804 # if defined(_XOPEN_IOV_MAX)
805 #  define	IOV_MAX		_XOPEN_IOV_MAX
806 # elif defined(DEF_IOV_MAX)
807 #  define	IOV_MAX		DEF_IOV_MAX
808 # else
809 #  define	IOV_MAX		16
810 # endif
811 #endif
812 
813 #ifndef EWOULDBLOCK
814 # define EWOULDBLOCK EAGAIN
815 #endif
816 
817 #ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
818 #define INET6_ADDRSTRLEN 46
819 #endif
820 
821 #ifndef SSH_IOBUFSZ
822 # define SSH_IOBUFSZ 8192
823 #endif
824 
825 /*
826  * Platforms that have arc4random_uniform() and not arc4random_stir()
827  * shouldn't need the latter.
828  */
829 #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
830     !defined(HAVE_ARC4RANDOM_STIR)
831 # define arc4random_stir()
832 #endif
833 
834 #ifndef HAVE_VA_COPY
835 # ifdef HAVE___VA_COPY
836 #  define va_copy(dest, src) __va_copy(dest, src)
837 # else
838 #  define va_copy(dest, src) (dest) = (src)
839 # endif
840 #endif
841 
842 #ifndef __predict_true
843 # if defined(__GNUC__) && \
844      ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
845 #  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
846 #  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
847 # else
848 #  define __predict_true(exp)     ((exp) != 0)
849 #  define __predict_false(exp)    ((exp) != 0)
850 # endif /* gcc version */
851 #endif /* __predict_true */
852 
853 #endif /* _DEFINES_H */
854