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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 1.167 2011/06/03 01:17:49 tim 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 MAXPATHLEN
91 # ifdef PATH_MAX
92 #  define MAXPATHLEN PATH_MAX
93 # else /* PATH_MAX */
94 #  define MAXPATHLEN 64
95 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
96 #  ifndef BROKEN_REALPATH
97 #   define BROKEN_REALPATH 1
98 #  endif /* BROKEN_REALPATH */
99 # endif /* PATH_MAX */
100 #endif /* MAXPATHLEN */
101 
102 #ifndef PATH_MAX
103 # ifdef _POSIX_PATH_MAX
104 # define PATH_MAX _POSIX_PATH_MAX
105 # endif
106 #endif
107 
108 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
109 # define MAXSYMLINKS 5
110 #endif
111 
112 #ifndef STDIN_FILENO
113 # define STDIN_FILENO    0
114 #endif
115 #ifndef STDOUT_FILENO
116 # define STDOUT_FILENO   1
117 #endif
118 #ifndef STDERR_FILENO
119 # define STDERR_FILENO   2
120 #endif
121 
122 #ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
123 #ifdef NGROUPS
124 #define NGROUPS_MAX NGROUPS
125 #else
126 #define NGROUPS_MAX 0
127 #endif
128 #endif
129 
130 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
131 # define O_NONBLOCK      00004	/* Non Blocking Open */
132 #endif
133 
134 #ifndef S_IFSOCK
135 # define S_IFSOCK 0
136 #endif /* S_IFSOCK */
137 
138 #ifndef S_ISDIR
139 # define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
140 #endif /* S_ISDIR */
141 
142 #ifndef S_ISREG
143 # define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
144 #endif /* S_ISREG */
145 
146 #ifndef S_ISLNK
147 # define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
148 #endif /* S_ISLNK */
149 
150 #ifndef S_IXUSR
151 # define S_IXUSR			0000100	/* execute/search permission, */
152 # define S_IXGRP			0000010	/* execute/search permission, */
153 # define S_IXOTH			0000001	/* execute/search permission, */
154 # define _S_IWUSR			0000200	/* write permission, */
155 # define S_IWUSR			_S_IWUSR	/* write permission, owner */
156 # define S_IWGRP			0000020	/* write permission, group */
157 # define S_IWOTH			0000002	/* write permission, other */
158 # define S_IRUSR			0000400	/* read permission, owner */
159 # define S_IRGRP			0000040	/* read permission, group */
160 # define S_IROTH			0000004	/* read permission, other */
161 # define S_IRWXU			0000700	/* read, write, execute */
162 # define S_IRWXG			0000070	/* read, write, execute */
163 # define S_IRWXO			0000007	/* read, write, execute */
164 #endif /* S_IXUSR */
165 
166 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
167 #define MAP_ANON MAP_ANONYMOUS
168 #endif
169 
170 #ifndef MAP_FAILED
171 # define MAP_FAILED ((void *)-1)
172 #endif
173 
174 /* *-*-nto-qnx doesn't define this constant in the system headers */
175 #ifdef MISSING_NFDBITS
176 # define	NFDBITS (8 * sizeof(unsigned long))
177 #endif
178 
179 /*
180 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
181 including rpc/rpc.h breaks Solaris 6
182 */
183 #ifndef INADDR_LOOPBACK
184 #define INADDR_LOOPBACK ((u_long)0x7f000001)
185 #endif
186 
187 /* Types */
188 
189 /* If sys/types.h does not supply intXX_t, supply them ourselves */
190 /* (or die trying) */
191 
192 #ifndef HAVE_U_INT
193 typedef unsigned int u_int;
194 #endif
195 
196 #ifndef HAVE_INTXX_T
197 # if (SIZEOF_CHAR == 1)
198 typedef char int8_t;
199 # else
200 #  error "8 bit int type not found."
201 # endif
202 # if (SIZEOF_SHORT_INT == 2)
203 typedef short int int16_t;
204 # else
205 #  ifdef _UNICOS
206 #   if (SIZEOF_SHORT_INT == 4)
207 typedef short int16_t;
208 #   else
209 typedef long  int16_t;
210 #   endif
211 #  else
212 #   error "16 bit int type not found."
213 #  endif /* _UNICOS */
214 # endif
215 # if (SIZEOF_INT == 4)
216 typedef int int32_t;
217 # else
218 #  ifdef _UNICOS
219 typedef long  int32_t;
220 #  else
221 #   error "32 bit int type not found."
222 #  endif /* _UNICOS */
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 #  if (SIZEOF_CHAR == 1)
235 typedef unsigned char u_int8_t;
236 #  else
237 #   error "8 bit int type not found."
238 #  endif
239 #  if (SIZEOF_SHORT_INT == 2)
240 typedef unsigned short int u_int16_t;
241 #  else
242 #   ifdef _UNICOS
243 #    if (SIZEOF_SHORT_INT == 4)
244 typedef unsigned short u_int16_t;
245 #    else
246 typedef unsigned long  u_int16_t;
247 #    endif
248 #   else
249 #    error "16 bit int type not found."
250 #   endif
251 #  endif
252 #  if (SIZEOF_INT == 4)
253 typedef unsigned int u_int32_t;
254 #  else
255 #   ifdef _UNICOS
256 typedef unsigned long  u_int32_t;
257 #   else
258 #    error "32 bit int type not found."
259 #   endif
260 #  endif
261 # endif
262 #define __BIT_TYPES_DEFINED__
263 #endif
264 
265 /* 64-bit types */
266 #ifndef HAVE_INT64_T
267 # if (SIZEOF_LONG_INT == 8)
268 typedef long int int64_t;
269 # else
270 #  if (SIZEOF_LONG_LONG_INT == 8)
271 typedef long long int int64_t;
272 #  endif
273 # endif
274 #endif
275 #ifndef HAVE_U_INT64_T
276 # if (SIZEOF_LONG_INT == 8)
277 typedef unsigned long int u_int64_t;
278 # else
279 #  if (SIZEOF_LONG_LONG_INT == 8)
280 typedef unsigned long long int u_int64_t;
281 #  endif
282 # endif
283 #endif
284 
285 #ifndef HAVE_U_CHAR
286 typedef unsigned char u_char;
287 # define HAVE_U_CHAR
288 #endif /* HAVE_U_CHAR */
289 
290 #ifndef SIZE_T_MAX
291 #define SIZE_T_MAX ULONG_MAX
292 #endif /* SIZE_T_MAX */
293 
294 #ifndef HAVE_SIZE_T
295 typedef unsigned int size_t;
296 # define HAVE_SIZE_T
297 # define SIZE_T_MAX UINT_MAX
298 #endif /* HAVE_SIZE_T */
299 
300 #ifndef SIZE_MAX
301 #define SIZE_MAX SIZE_T_MAX
302 #endif
303 
304 #ifndef HAVE_SSIZE_T
305 typedef int ssize_t;
306 # define HAVE_SSIZE_T
307 #endif /* HAVE_SSIZE_T */
308 
309 #ifndef HAVE_CLOCK_T
310 typedef long clock_t;
311 # define HAVE_CLOCK_T
312 #endif /* HAVE_CLOCK_T */
313 
314 #ifndef HAVE_SA_FAMILY_T
315 typedef int sa_family_t;
316 # define HAVE_SA_FAMILY_T
317 #endif /* HAVE_SA_FAMILY_T */
318 
319 #ifndef HAVE_PID_T
320 typedef int pid_t;
321 # define HAVE_PID_T
322 #endif /* HAVE_PID_T */
323 
324 #ifndef HAVE_SIG_ATOMIC_T
325 typedef int sig_atomic_t;
326 # define HAVE_SIG_ATOMIC_T
327 #endif /* HAVE_SIG_ATOMIC_T */
328 
329 #ifndef HAVE_MODE_T
330 typedef int mode_t;
331 # define HAVE_MODE_T
332 #endif /* HAVE_MODE_T */
333 
334 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
335 # define ss_family __ss_family
336 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
337 
338 #ifndef HAVE_SYS_UN_H
339 struct	sockaddr_un {
340 	short	sun_family;		/* AF_UNIX */
341 	char	sun_path[108];		/* path name (gag) */
342 };
343 #endif /* HAVE_SYS_UN_H */
344 
345 #ifndef HAVE_IN_ADDR_T
346 typedef u_int32_t	in_addr_t;
347 #endif
348 #ifndef HAVE_IN_PORT_T
349 typedef u_int16_t	in_port_t;
350 #endif
351 
352 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
353 #define _STRUCT_WINSIZE
354 struct winsize {
355       unsigned short ws_row;          /* rows, in characters */
356       unsigned short ws_col;          /* columns, in character */
357       unsigned short ws_xpixel;       /* horizontal size, pixels */
358       unsigned short ws_ypixel;       /* vertical size, pixels */
359 };
360 #endif
361 
362 /* *-*-nto-qnx does not define this type in the system headers */
363 #ifdef MISSING_FD_MASK
364  typedef unsigned long int	fd_mask;
365 #endif
366 
367 /* Paths */
368 
369 #ifndef _PATH_BSHELL
370 # define _PATH_BSHELL "/bin/sh"
371 #endif
372 
373 #ifdef USER_PATH
374 # ifdef _PATH_STDPATH
375 #  undef _PATH_STDPATH
376 # endif
377 # define _PATH_STDPATH USER_PATH
378 #endif
379 
380 #ifndef _PATH_STDPATH
381 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
382 #endif
383 
384 #ifndef SUPERUSER_PATH
385 # define SUPERUSER_PATH	_PATH_STDPATH
386 #endif
387 
388 #ifndef _PATH_DEVNULL
389 # define _PATH_DEVNULL "/dev/null"
390 #endif
391 
392 /* user may have set a different path */
393 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
394 # undef _PATH_MAILDIR MAILDIR
395 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
396 
397 #ifdef MAIL_DIRECTORY
398 # define _PATH_MAILDIR MAIL_DIRECTORY
399 #endif
400 
401 #ifndef _PATH_NOLOGIN
402 # define _PATH_NOLOGIN "/etc/nologin"
403 #endif
404 
405 /* Define this to be the path of the xauth program. */
406 #ifdef XAUTH_PATH
407 #define _PATH_XAUTH XAUTH_PATH
408 #endif /* XAUTH_PATH */
409 
410 /* derived from XF4/xc/lib/dps/Xlibnet.h */
411 #ifndef X_UNIX_PATH
412 #  ifdef __hpux
413 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
414 #  else
415 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
416 #  endif
417 #endif /* X_UNIX_PATH */
418 #define _PATH_UNIX_X X_UNIX_PATH
419 
420 #ifndef _PATH_TTY
421 # define _PATH_TTY "/dev/tty"
422 #endif
423 
424 /* Macros */
425 
426 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
427 # define HAVE_LOGIN_CAP
428 #endif
429 
430 #ifndef MAX
431 # define MAX(a,b) (((a)>(b))?(a):(b))
432 # define MIN(a,b) (((a)<(b))?(a):(b))
433 #endif
434 
435 #ifndef roundup
436 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
437 #endif
438 
439 #ifndef timersub
440 #define timersub(a, b, result)					\
441    do {								\
442       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
443       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
444       if ((result)->tv_usec < 0) {				\
445 	 --(result)->tv_sec;					\
446 	 (result)->tv_usec += 1000000;				\
447       }								\
448    } while (0)
449 #endif
450 
451 #ifndef TIMEVAL_TO_TIMESPEC
452 #define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
453 	(ts)->tv_sec = (tv)->tv_sec;					\
454 	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
455 }
456 #endif
457 
458 #ifndef TIMESPEC_TO_TIMEVAL
459 #define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
460 	(tv)->tv_sec = (ts)->tv_sec;					\
461 	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
462 }
463 #endif
464 
465 #ifndef __P
466 # define __P(x) x
467 #endif
468 
469 #if !defined(IN6_IS_ADDR_V4MAPPED)
470 # define IN6_IS_ADDR_V4MAPPED(a) \
471 	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
472 	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
473 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
474 
475 #if !defined(__GNUC__) || (__GNUC__ < 2)
476 # define __attribute__(x)
477 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
478 
479 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
480 # define __sentinel__
481 #endif
482 
483 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
484 # define __bounded__(x, y, z)
485 #endif
486 
487 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
488 # define __nonnull__(x)
489 #endif
490 
491 /* *-*-nto-qnx doesn't define this macro in the system headers */
492 #ifdef MISSING_HOWMANY
493 # define howmany(x,y)	(((x)+((y)-1))/(y))
494 #endif
495 
496 #ifndef OSSH_ALIGNBYTES
497 #define OSSH_ALIGNBYTES	(sizeof(int) - 1)
498 #endif
499 #ifndef __CMSG_ALIGN
500 #define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
501 #endif
502 
503 /* Length of the contents of a control message of length len */
504 #ifndef CMSG_LEN
505 #define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
506 #endif
507 
508 /* Length of the space taken up by a padded control message of length len */
509 #ifndef CMSG_SPACE
510 #define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
511 #endif
512 
513 /* given pointer to struct cmsghdr, return pointer to data */
514 #ifndef CMSG_DATA
515 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
516 #endif /* CMSG_DATA */
517 
518 /*
519  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
520  * an empty list for some reasons.
521  */
522 #ifndef CMSG_FIRSTHDR
523 #define CMSG_FIRSTHDR(mhdr) \
524 	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
525 	 (struct cmsghdr *)(mhdr)->msg_control : \
526 	 (struct cmsghdr *)NULL)
527 #endif /* CMSG_FIRSTHDR */
528 
529 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
530 # define offsetof(type, member) ((size_t) &((type *)0)->member)
531 #endif
532 
533 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
534 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
535 #ifndef BYTE_ORDER
536 # ifndef LITTLE_ENDIAN
537 #  define LITTLE_ENDIAN  1234
538 # endif /* LITTLE_ENDIAN */
539 # ifndef BIG_ENDIAN
540 #  define BIG_ENDIAN     4321
541 # endif /* BIG_ENDIAN */
542 # ifdef WORDS_BIGENDIAN
543 #  define BYTE_ORDER BIG_ENDIAN
544 # else /* WORDS_BIGENDIAN */
545 #  define BYTE_ORDER LITTLE_ENDIAN
546 # endif /* WORDS_BIGENDIAN */
547 #endif /* BYTE_ORDER */
548 
549 /* Function replacement / compatibility hacks */
550 
551 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
552 # define HAVE_GETADDRINFO
553 #endif
554 
555 #ifndef HAVE_GETOPT_OPTRESET
556 # undef getopt
557 # undef opterr
558 # undef optind
559 # undef optopt
560 # undef optreset
561 # undef optarg
562 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
563 # define opterr             BSDopterr
564 # define optind             BSDoptind
565 # define optopt             BSDoptopt
566 # define optreset           BSDoptreset
567 # define optarg             BSDoptarg
568 #endif
569 
570 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
571 # undef HAVE_GETADDRINFO
572 #endif
573 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
574 # undef HAVE_FREEADDRINFO
575 #endif
576 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
577 # undef HAVE_GAI_STRERROR
578 #endif
579 
580 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
581 # undef HAVE_UPDWTMPX
582 #endif
583 
584 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
585 # undef HAS_SHADOW_EXPIRE
586 #endif
587 
588 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
589     defined(SYSLOG_R_SAFE_IN_SIGHAND)
590 # define DO_LOG_SAFE_IN_SIGHAND
591 #endif
592 
593 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
594 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
595 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
596 
597 #if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
598 #  define USE_VHANGUP
599 #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
600 
601 #ifndef GETPGRP_VOID
602 # include <unistd.h>
603 # define getpgrp() getpgrp(0)
604 #endif
605 
606 #ifdef USE_BSM_AUDIT
607 # define SSH_AUDIT_EVENTS
608 # define CUSTOM_SSH_AUDIT_EVENTS
609 #endif
610 
611 #ifdef USE_LINUX_AUDIT
612 # define SSH_AUDIT_EVENTS
613 # define CUSTOM_SSH_AUDIT_EVENTS
614 #endif
615 
616 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
617 #  define __func__ __FUNCTION__
618 #elif !defined(HAVE___func__)
619 #  define __func__ ""
620 #endif
621 
622 #if defined(KRB5) && !defined(HEIMDAL)
623 #  define krb5_get_err_text(context,code) error_message(code)
624 #endif
625 
626 #if defined(SKEYCHALLENGE_4ARG)
627 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
628 #else
629 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
630 #endif
631 
632 /* Maximum number of file descriptors available */
633 #ifdef HAVE_SYSCONF
634 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
635 #else
636 # define SSH_SYSFDMAX 10000
637 #endif
638 
639 #ifdef FSID_HAS_VAL
640 /* encode f_fsid into a 64 bit value  */
641 #define FSID_TO_ULONG(f) \
642 	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
643 	    ((f).val[1] & 0xffffffffUL))
644 #elif defined(FSID_HAS___VAL)
645 #define FSID_TO_ULONG(f) \
646 	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
647 	    ((f).__val[1] & 0xffffffffUL))
648 #else
649 # define FSID_TO_ULONG(f) ((f))
650 #endif
651 
652 #if defined(__Lynx__)
653  /*
654   * LynxOS defines these in param.h which we do not want to include since
655   * it will also pull in a bunch of kernel definitions.
656   */
657 # define ALIGNBYTES (sizeof(int) - 1)
658 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
659   /* Missing prototypes on LynxOS */
660   int snprintf (char *, size_t, const char *, ...);
661   int mkstemp (char *);
662   char *crypt (const char *, const char *);
663   int seteuid (uid_t);
664   int setegid (gid_t);
665   char *mkdtemp (char *);
666   int rresvport_af (int *, sa_family_t);
667   int innetgr (const char *, const char *, const char *, const char *);
668 #endif
669 
670 /*
671  * Define this to use pipes instead of socketpairs for communicating with the
672  * client program.  Socketpairs do not seem to work on all systems.
673  *
674  * configure.ac sets this for a few OS's which are known to have problems
675  * but you may need to set it yourself
676  */
677 /* #define USE_PIPES 1 */
678 
679 /**
680  ** login recorder definitions
681  **/
682 
683 /* FIXME: put default paths back in */
684 #ifndef UTMP_FILE
685 #  ifdef _PATH_UTMP
686 #    define UTMP_FILE _PATH_UTMP
687 #  else
688 #    ifdef CONF_UTMP_FILE
689 #      define UTMP_FILE CONF_UTMP_FILE
690 #    endif
691 #  endif
692 #endif
693 #ifndef WTMP_FILE
694 #  ifdef _PATH_WTMP
695 #    define WTMP_FILE _PATH_WTMP
696 #  else
697 #    ifdef CONF_WTMP_FILE
698 #      define WTMP_FILE CONF_WTMP_FILE
699 #    endif
700 #  endif
701 #endif
702 /* pick up the user's location for lastlog if given */
703 #ifndef LASTLOG_FILE
704 #  ifdef _PATH_LASTLOG
705 #    define LASTLOG_FILE _PATH_LASTLOG
706 #  else
707 #    ifdef CONF_LASTLOG_FILE
708 #      define LASTLOG_FILE CONF_LASTLOG_FILE
709 #    endif
710 #  endif
711 #endif
712 
713 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
714 # define USE_SHADOW
715 #endif
716 
717 /* The login() library function in libutil is first choice */
718 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
719 #  define USE_LOGIN
720 
721 #else
722 /* Simply select your favourite login types. */
723 /* Can't do if-else because some systems use several... <sigh> */
724 #  if !defined(DISABLE_UTMPX)
725 #    define USE_UTMPX
726 #  endif
727 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
728 #    define USE_UTMP
729 #  endif
730 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
731 #    define USE_WTMPX
732 #  endif
733 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
734 #    define USE_WTMP
735 #  endif
736 
737 #endif
738 
739 #ifndef UT_LINESIZE
740 # define UT_LINESIZE 8
741 #endif
742 
743 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
744 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
745 #  define USE_LASTLOG
746 #endif
747 
748 #ifdef HAVE_OSF_SIA
749 # ifdef USE_SHADOW
750 #  undef USE_SHADOW
751 # endif
752 # define CUSTOM_SYS_AUTH_PASSWD 1
753 #endif
754 
755 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
756 # define CUSTOM_SYS_AUTH_PASSWD 1
757 #endif
758 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
759 # define USE_LIBIAF
760 #endif
761 
762 /* HP-UX 11.11 */
763 #ifdef BTMP_FILE
764 # define _PATH_BTMP BTMP_FILE
765 #endif
766 
767 #if defined(USE_BTMP) && defined(_PATH_BTMP)
768 # define CUSTOM_FAILED_LOGIN
769 #endif
770 
771 /** end of login recorder definitions */
772 
773 #ifdef BROKEN_GETGROUPS
774 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
775 #endif
776 
777 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
778 # undef HAVE_MMAP
779 #endif
780 
781 #ifndef IOV_MAX
782 # if defined(_XOPEN_IOV_MAX)
783 #  define	IOV_MAX		_XOPEN_IOV_MAX
784 # elif defined(DEF_IOV_MAX)
785 #  define	IOV_MAX		DEF_IOV_MAX
786 # else
787 #  define	IOV_MAX		16
788 # endif
789 #endif
790 
791 #ifndef EWOULDBLOCK
792 # define EWOULDBLOCK EAGAIN
793 #endif
794 
795 #ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
796 #define INET6_ADDRSTRLEN 46
797 #endif
798 
799 #ifndef SSH_IOBUFSZ
800 # define SSH_IOBUFSZ 8192
801 #endif
802 
803 #ifndef _NSIG
804 # ifdef NSIG
805 #  define _NSIG NSIG
806 # else
807 #  define _NSIG 128
808 # endif
809 #endif
810 
811 #endif /* _DEFINES_H */
812