xref: /freebsd/contrib/sendmail/include/sm/conf.h (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*
2  * Copyright (c) 1998-2011 Proofpoint, Inc. and its suppliers.
3  *	All rights reserved.
4  * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
5  * Copyright (c) 1988, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * By using this file, you agree to the terms and conditions set
9  * forth in the LICENSE file which can be found at the top level of
10  * the sendmail distribution.
11  *
12  *
13  *	$Id: conf.h,v 1.147 2013-11-22 20:51:31 ca Exp $
14  */
15 
16 /*
17 **  CONF.H -- All user-configurable parameters for sendmail
18 **
19 **	Send updates to Sendmail.ORG so they will be
20 **	included in the next release; see
21 **	http://www.sendmail.org/email-addresses.html
22 **	for current e-mail address.
23 */
24 
25 #ifndef SM_CONF_H
26 # define SM_CONF_H 1
27 
28 
29 # include <sm/config.h>
30 # include <sm/varargs.h>
31 
32 /*
33 **  General "standard C" defines.
34 **
35 **	These may be undone later, to cope with systems that claim to
36 **	be Standard C but aren't.  Gcc is the biggest offender -- it
37 **	doesn't realize that the library is part of the language.
38 **
39 **	Life would be much easier if we could get rid of this sort
40 **	of bozo problems.
41 */
42 
43 # ifdef __STDC__
44 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
45 # endif /* __STDC__ */
46 
47 /*
48 **  Assume you have standard calls; can be #undefed below if necessary.
49 */
50 
51 # ifndef HASLSTAT
52 #  define HASLSTAT	1	/* has lstat(2) call */
53 # endif /* ! HASLSTAT */
54 
55 # ifndef HASNICE
56 #  define HASNICE	1	/* has nice(2) call */
57 # endif /* ! HASNICE */
58 
59 # ifndef HASRRESVPORT
60 #  define HASRRESVPORT	1	/* has rrsevport(3) call */
61 # endif /* ! HASRRESVPORT */
62 
63 /**********************************************************************
64 **  "Hard" compilation options.
65 **	#define these if they are available; comment them out otherwise.
66 **  These cannot be overridden from the Makefile, and should really not
67 **  be turned off unless absolutely necessary.
68 **********************************************************************/
69 
70 #define LOG		1	/* enable logging -- don't turn off */
71 
72 /**********************************************************************
73 **  Operating system configuration.
74 **
75 **	Unless you are porting to a new OS, you shouldn't have to
76 **	change these.
77 **********************************************************************/
78 
79 /*
80 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
81 **
82 **	If V4FS is defined, compile for HP-UX 10.0.
83 **	11.x support from Richard Allen <ra@hp.is>.
84 */
85 
86 # ifdef __hpux
87 		/* common definitions for HP-UX 9.x and 10.x */
88 #  undef m_flags		/* conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h on HP 300 */
89 #  define SYSTEM5	1	/* include all the System V defines */
90 #  define HASINITGROUPS	1	/* has initgroups(3) call */
91 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
92 #  define USESETEUID	1	/* has usable seteuid(2) call */
93 #  define HASSETRESGID	1	/* use setresgid(2) to set saved gid */
94 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
95 #  define seteuid(e)	setresuid(-1, e, -1)
96 #  define IP_SRCROUTE	1	/* can check IP source routing */
97 #  define LA_TYPE	LA_HPUX
98 #  define SPT_TYPE	SPT_PSTAT
99 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
100 #  define GIDSET_T	gid_t
101 #  define LDA_USE_LOCKF	1
102 #  ifndef HASGETUSERSHELL
103 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
104 #  endif /* ! HASGETUSERSHELL */
105 #  ifdef HPUX10
106 #   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
107 #   ifndef SMRSH_CMDDIR
108 #    define SMRSH_CMDDIR	"/var/adm/sm.bin"
109 #   endif /* ! SMRSH_CMDDIR */
110 #  endif /* HPUX10 */
111 #  ifdef HPUX11
112 #   define HASSETREUID	1	/* setreuid(2) works on HP-UX 11.x */
113 #   define HASFCHOWN	1	/* has fchown(2) */
114 #   ifndef BROKEN_RES_SEARCH
115 #    define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
116 #   endif /* ! BROKEN_RES_SEARCH */
117 #   ifndef SMRSH_CMDDIR
118 #    define SMRSH_CMDDIR	"/var/adm/sm.bin"
119 #   endif /* ! SMRSH_CMDDIR */
120 #   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
121 #  else /* HPUX11 */
122 #   ifndef NOT_SENDMAIL
123 #    define syslog	hard_syslog
124 #   endif /* ! NOT_SENDMAIL */
125 #  endif /* HPUX11 */
126 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
127 
128 #  ifdef V4FS
129 		/* HP-UX 10.x */
130 #   define _PATH_UNIX		"/stand/vmunix"
131 #   ifndef _PATH_VENDOR_CF
132 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
133 #   endif /* ! _PATH_VENDOR_CF */
134 #   ifndef _PATH_SENDMAILPID
135 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
136 #   endif /* ! _PATH_SENDMAILPID */
137 #   ifndef IDENTPROTO
138 #    define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
139 #   endif /* ! IDENTPROTO */
140 #   include <sys/mpctl.h>	/* for mpctl() in get_num_procs_online() */
141 #  else /* V4FS */
142 		/* HP-UX 9.x */
143 #   define _PATH_UNIX		"/hp-ux"
144 #   ifndef _PATH_VENDOR_CF
145 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
146 #   endif /* ! _PATH_VENDOR_CF */
147 #   ifndef IDENTPROTO
148 #    define IDENTPROTO	0	/* TCP/IP implementation is broken */
149 #   endif /* ! IDENTPROTO */
150 #   ifdef __STDC__
151 extern void	hard_syslog(int, char *, ...);
152 #   else /* __STDC__ */
153 extern void	hard_syslog();
154 #   endif /* __STDC__ */
155 #   define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
156 #  endif /* V4FS */
157 
158 # endif /* __hpux */
159 
160 /*
161 **  IBM AIX 5.x
162 */
163 
164 # ifdef _AIX5
165 #  include <sys/signal.h>
166 #  include <sys/wait.h>
167 #  define _AIX4		40300
168 #  define SOCKADDR_LEN_T socklen_t /* e.g., arg#3 to accept, getsockname */
169 #  define SOCKOPT_LEN_T	socklen_t /* arg#5 to getsockopt */
170 #  if _AIX5 >= 50200
171 #   define HASUNSETENV	1	/* has unsetenv(3) call */
172 #  endif /* _AIX5 >= 50200 */
173 # endif /* _AIX5 */
174 
175 /*
176 **  IBM AIX 4.x
177 */
178 
179 # ifdef _AIX4
180 #  define _AIX3		1	/* pull in AIX3 stuff */
181 #  define BSD4_4_SOCKADDR	/* has sa_len */
182 #  define USESETEUID	1	/* seteuid(2) works */
183 #  define TZ_TYPE	TZ_NAME	/* use tzname[] vector */
184 #  ifndef SOCKOPT_LEN_T
185 #   define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
186 #  endif /* SOCKOPT_LEN_T */
187 #  if _AIX4 >= 40200
188 #   define HASSETREUID	1	/* setreuid(2) works as of AIX 4.2 */
189 #   ifndef SOCKADDR_LEN_T
190 #    define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
191 #   endif /* SOCKADDR_LEN_T */
192 #  endif /* _AIX4 >= 40200 */
193 #  if defined(_ILS_MACROS)	/* IBM versions aren't side-effect clean */
194 #   undef isascii
195 #   define isascii(c)		!(c & ~0177)
196 #   undef isdigit
197 #   define isdigit(__a)		(_IS(__a,_ISDIGIT))
198 #   undef isspace
199 #   define isspace(__a)		(_IS(__a,_ISSPACE))
200 #  endif /* defined(_ILS_MACROS) */
201 # endif /* _AIX4 */
202 
203 
204 /*
205 **  IBM AIX 3.x -- actually tested for 3.2.3
206 */
207 
208 # ifdef _AIX3
209 #  include <paths.h>
210 #  include <sys/machine.h>	/* to get byte order */
211 #  include <sys/select.h>
212 #  define HASFCHOWN	1	/* has fchown(2) */
213 #  define HASINITGROUPS	1	/* has initgroups(3) call */
214 #  define HASUNAME	1	/* use System V uname(2) system call */
215 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
216 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
217 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
218 #  define GIDSET_T	gid_t
219 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
220 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
221 #  ifndef LA_TYPE
222 #   define LA_TYPE	LA_INT
223 #  endif /* LA_TYPE */
224 #  define FSHIFT	16
225 #  define LA_AVENRUN	"avenrun"
226 #  if !defined(_AIX4) || _AIX4 < 40300
227 #   ifndef __BIT_TYPES_DEFINED__
228 #    define SM_INT32	int
229 #   endif /* __BIT_TYPES_DEFINED__ */
230 #  endif /* !defined(_AIX4) || _AIX4 < 40300 */
231 #  if !defined(_AIX4) || _AIX4 < 40200
232 #   define SM_CONF_SYSLOG	0
233 #  endif /* !defined(_AIX4) || _AIX4 < 40200 */
234 # endif /* _AIX3 */
235 
236 
237 /*
238 **  IBM AIX 2.2.1 -- actually tested for osupdate level 2706+1773
239 **
240 **	From Mark Whetzel <markw@wg.waii.com>.
241 */
242 
243 # ifdef AIX			/* AIX/RT compiler pre-defines this */
244 #  include <paths.h>
245 #  include <sys/time.h>		/* AIX/RT resource.h does NOT include this */
246 #  define HASINITGROUPS	1	/* has initgroups(3) call */
247 #  define HASUNAME	1	/* use System V uname(2) system call */
248 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
249 #  define HASFCHMOD	0	/* does not have fchmod(2) syscall */
250 #  define HASSETREUID	1	/* use setreuid(2) -lbsd system call */
251 #  define HASSETVBUF	1	/* use setvbuf(2) system call */
252 #  define HASSETRLIMIT	0	/* does not have setrlimit call */
253 #  define HASFLOCK	0	/* does not have flock call - use fcntl */
254 #  define HASULIMIT	1	/* use ulimit instead of setrlimit call */
255 #  define SM_CONF_GETOPT	0	/* Do we need theirs or ours */
256 #  define SYS5SETPGRP	1	/* don't have setpgid on AIX/RT */
257 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
258 #  define BSD4_3		1	/* NOT bsd 4.4 or posix signals */
259 #  define GIDSET_T	int
260 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
261 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
262 #  define LA_TYPE	LA_SUBR		/* use our ported loadavgd daemon */
263 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
264 #  define ARBPTR_T	int *
265 #  define void		int
266 typedef int		pid_t;
267 /* RTisms for BSD compatibility, specified in the Makefile
268   define BSD		1
269   define BSD_INCLUDES		1
270   define BSD_REMAP_SIGNAL_TO_SIGVEC
271     RTisms needed above */
272 /* make this sendmail in a completely different place */
273 #  ifndef _PATH_VENDOR_CF
274 #   define _PATH_VENDOR_CF	"/usr/local/newmail/sendmail.cf"
275 #  endif /* ! _PATH_VENDOR_CF */
276 #  ifndef _PATH_SENDMAILPID
277 #   define _PATH_SENDMAILPID	"/usr/local/newmail/sendmail.pid"
278 #  endif /* ! _PATH_SENDMAILPID */
279 # endif /* AIX */
280 
281 # if defined(_AIX)
282 #  define LDA_USE_LOCKF		1
283 #  define LDA_USE_SETEUID	1
284 # endif /* defined(_AIX) */
285 
286 /*
287 **  Silicon Graphics IRIX
288 **
289 **	Compiles on 4.0.1.
290 **
291 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
292 **	Use IRIX5 instead of IRIX for IRIX 5.x.
293 **
294 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
295 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
296 */
297 
298 # ifdef IRIX
299 #  define SYSTEM5	1	/* this is a System-V derived system */
300 #  define HASSETREUID	1	/* has setreuid(2) call */
301 #  define HASINITGROUPS	1	/* has initgroups(3) call */
302 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
303 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
304 #  define IP_SRCROUTE	1	/* can check IP source routing */
305 #  define setpgid	BSDsetpgrp
306 #  define GIDSET_T	gid_t
307 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
308 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
309 #  define SYSLOG_BUFSIZE 512
310 #  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
311     /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
312 #   define _SC_NPROCESSORS_ONLN	_SC_NPROC_ONLN
313 #  endif /* if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) */
314 #  ifdef IRIX6
315 #   define STAT64	1
316 #   define QUAD_T	unsigned long long
317 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
318 #   define SAFENFSPATHCONF 0	/* pathconf(2) lies on NFS filesystems */
319 #  else /* IRIX6 */
320 #   define LA_TYPE	LA_INT
321 
322 #   ifdef IRIX64
323 #    define STAT64	1
324 #    define QUAD_T	unsigned long long
325 #    define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
326 #   else /* IRIX64 */
327 #    define STAT64	0
328 #    define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
329 #   endif /* IRIX64 */
330 #  endif /* IRIX6 */
331 #  if defined(IRIX64) || defined(IRIX5) || defined(IRIX6)
332 #   include <sys/cdefs.h>
333 #   include <paths.h>
334 #   define ARGV_T	char *const *
335 #   define HASFCHOWN	1	/* has fchown(2) */
336 #   define HASSETRLIMIT	1	/* has setrlimit(2) syscall */
337 #   define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
338 #   define HASSTRERROR	1	/* has strerror(3) */
339 #  else /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
340 #   define ARGV_T	const char **
341 #   define WAITUNION	1	/* use "union wait" as wait argument type */
342 #  endif /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
343 # endif /* IRIX */
344 
345 
346 /*
347 **  SunOS and Solaris
348 **
349 **	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
350 **	Solaris 2.4 (a.k.a. SunOS 5.4).
351 */
352 
353 # if defined(sun) && !defined(BSD)
354 
355 #  include <sys/time.h>
356 #  define HASINITGROUPS	1	/* has initgroups(3) call */
357 #  define HASUNAME	1	/* use System V uname(2) system call */
358 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
359 #  define IP_SRCROUTE	1	/* can check IP source routing */
360 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
361 #  ifndef HASFCHOWN
362 #   define HASFCHOWN	1	/* fchown(2) */
363 #  endif /* ! HASFCHOWN */
364 
365 #  ifdef __svr4__
366 #   define LDA_USE_LOCKF		1
367 #   define LDA_USE_SETEUID	1
368 #   define _PATH_MAILDIR		"/var/mail"
369 #  endif /* __svr4__ */
370 
371 #  ifdef SOLARIS_2_3
372 #   define SOLARIS	20300	/* for back compat only -- use -DSOLARIS=20300 */
373 #  endif /* SOLARIS_2_3 */
374 
375 #  if defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4))
376 #   define SOLARIS	1	/* unknown Solaris version */
377 #  endif /* defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4)) */
378 
379 #  ifdef SOLARIS
380 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
381 #   ifndef __svr4__
382 #    define __svr4__		/* use all System V Release 4 defines below */
383 #   endif /* ! __svr4__ */
384 #   if SOLARIS >= 21100
385 #    include <paths.h>
386 #   endif /* SOLARIS >= 21100 */
387 #   ifndef _PATH_VARRUN
388 #    define _PATH_VARRUN	"/var/run/"
389 #   endif /* _PATH_VARRUN */
390 #   define GIDSET_T	gid_t
391 #   define USE_SA_SIGACTION	1	/* use sa_sigaction field */
392 #   define BROKEN_PTHREAD_SLEEP	1	/* sleep after pthread_create() fails */
393 #   define HASSTRERROR	1	/* has strerror(3) */
394 #   ifndef _PATH_UNIX
395 #    define _PATH_UNIX		"/dev/ksyms"
396 #   endif /* ! _PATH_UNIX */
397 #   ifndef _PATH_VENDOR_CF
398 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
399 #   endif /* ! _PATH_VENDOR_CF */
400 #   ifndef _PATH_SENDMAILPID
401 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
402 #   endif /* ! _PATH_SENDMAILPID */
403 #   ifndef _PATH_HOSTS
404 #    define _PATH_HOSTS		"/etc/inet/hosts"
405 #   endif /* ! _PATH_HOSTS */
406 #   ifndef SYSLOG_BUFSIZE
407 #    define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
408 #   endif /* ! SYSLOG_BUFSIZE */
409 #   ifndef TZ_TYPE
410 #    define TZ_TYPE	TZ_TZNAME
411 #   endif /* ! TZ_TYPE */
412 #   if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203)
413 #    define USESETEUID		1	/* seteuid works as of 2.3 */
414 #    define LDA_CONTENTLENGTH	1	/* Needs the Content-Length header */
415 #   endif /* SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203) */
416 #   if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205)
417 #    define HASSETREUID	1		/* setreuid works as of 2.5 */
418 #    define HASSETREGID	1	/* use setregid(2) to set saved gid */
419 #   if SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206)
420 #    define HASSNPRINTF 1	/* has snprintf(3c) starting in 2.6 */
421 #   endif /* SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206) */
422 #    if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700)
423 #     ifndef LA_TYPE
424 #      define LA_TYPE	LA_KSTAT	/* use kstat(3k) -- may work in < 2.5 */
425 #     endif /* ! LA_TYPE */
426 #     ifndef RANDOMSHIFT		/* random() doesn't work well (sometimes) */
427 #      define RANDOMSHIFT	8
428 #     endif /* ! RANDOMSHIFT */
429 #    endif /* SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) */
430 #   else /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
431 #    ifndef HASRANDOM
432 #     define HASRANDOM	0		/* doesn't have random(3) */
433 #    endif /* ! HASRANDOM */
434 #   endif /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
435 #   if (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206
436 #    define SM_INT32	int	/* 32bit integer */
437 #   endif /* (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206 */
438 #   if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207)
439 #    ifndef LA_TYPE
440 #     include <sys/loadavg.h>
441 #     if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
442 #      include <sys/pset.h>
443 #      define LA_TYPE	LA_PSET	/* pset_getloadavg(3c) appears in 2.9 */
444 #     else /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
445 #      define LA_TYPE	LA_SUBR	/* getloadavg(3c) appears in 2.7 */
446 #     endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
447 #    endif /* ! LA_TYPE */
448 #    define HASGETUSERSHELL 1	/* getusershell(3c) bug fixed in 2.7 */
449 #   endif /* SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) */
450 #   if SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208)
451 #    undef _PATH_SENDMAILPID	/* tmpfs /var/run added in 2.8 */
452 #    define _PATH_SENDMAILPID	_PATH_VARRUN "sendmail.pid"
453 #    ifndef SMRSH_CMDDIR
454 #     define SMRSH_CMDDIR	"/var/adm/sm.bin"
455 #    endif /* ! SMRSH_CMDDIR */
456 #    define SL_FUDGE	34	/* fudge offset for SyslogPrefixLen */
457 #    define HASLDAPGETALIASBYNAME	1	/* added in S8 */
458 #   endif /* SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) */
459 #   if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
460 #    define HASURANDOMDEV	1	/* /dev/[u]random added in S9 */
461 #    define HASCLOSEFROM	1	/* closefrom(3c) added in S9 */
462 #    define HASFDWALK		1	/* fdwalk(3c) added in S9 */
463 #   endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
464 #   if SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210)
465 #    define HASUNSETENV 1       /* unsetenv() added in S10 */
466 #   endif /* SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210) */
467 #   if SOLARIS >= 21100 || (SOLARIS < 10000 && SOLARIS >= 211)
468 #    define GETLDAPALIASBYNAME_VERSION 2	/* changed in S11 */
469 #    define HAVE_NANOSLEEP	1	/* moved from librt to libc in S11 */
470 #    define SOCKADDR_LEN_T	socklen_t	/* arg#3 to accept, getsockname */
471 #    define SOCKOPT_LEN_T	socklen_t	/* arg#5 to getsockopt */
472 #   endif /* SOLARIS >= 21100 || (SOLARIS < 10000 && SOLARIS >= 211) */
473 #   ifndef HASGETUSERSHELL
474 #    define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps pre-2.7 */
475 #   endif /* ! HASGETUSERSHELL */
476 #   if SOLARIS < 21200
477 #    define SIGWAIT_TAKES_1_ARG	1	/* S12 moves to UNIX V7 semantic */
478 #   endif /* SOLARIS < 21200 */
479 
480 #  else /* SOLARIS */
481 			/* SunOS 4.0.3 or 4.1.x */
482 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
483 #   define HASSETREUID	1	/* has setreuid(2) call */
484 #   ifndef HASFLOCK
485 #    define HASFLOCK	1	/* has flock(2) call */
486 #   endif /* ! HASFLOCK */
487 #   define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
488 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
489 #   include <memory.h>
490 #   include <vfork.h>
491 #   ifdef __GNUC__
492 #    define strtoul	strtol	/* gcc library bogosity */
493 #   endif /* __GNUC__ */
494 #   define memmove(d, s, l)	(bcopy((s), (d), (l)))
495 #   define atexit(f)	on_exit((f), 0)	/* ugly hack for SunOS */
496 #   define SM_INT32	int	/* 32bit integer */
497 #   define SM_ALIGN_SIZE (sizeof(long))
498 #   define GIDSET_T	int
499 #   define SM_CONF_SYSLOG	0
500 
501 #   ifdef SUNOS403
502 			/* special tweaking for SunOS 4.0.3 */
503 #    include <malloc.h>
504 #    define BSD4_3	1	/* 4.3 BSD-based */
505 #    define NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
506 #    define WAITUNION	1	/* use "union wait" as wait argument type */
507 #    undef WIFEXITED
508 #    undef WEXITSTATUS
509 #    undef HASUNAME
510 #    define setpgid	setpgrp
511 #    define MODE_T	int
512 typedef int		pid_t;
513 extern char		*getenv();
514 
515 #   else /* SUNOS403 */
516 			/* 4.1.x specifics */
517 #    define HASSETSID	1	/* has POSIX setsid(2) call */
518 #    define HASSETVBUF	1	/* we have setvbuf(3) in libc */
519 
520 #   endif /* SUNOS403 */
521 #  endif /* SOLARIS */
522 
523 #  ifndef LA_TYPE
524 #   define LA_TYPE	LA_INT
525 #  endif /* ! LA_TYPE */
526 
527 # endif /* defined(sun) && !defined(BSD) */
528 
529 /*
530 **  DG/UX
531 **
532 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
533 **	older support.
534 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
535 */
536 
537 # ifdef DGUX_5_4_2
538 #  define DGUX		1
539 # endif /* DGUX_5_4_2 */
540 
541 # ifdef DGUX
542 #  define SYSTEM5	1
543 #  define LA_TYPE	LA_DGUX
544 #  define HASSETREUID	1	/* has setreuid(2) call */
545 #  define HASUNAME	1	/* use System V uname(2) system call */
546 #  define HASSETSID	1	/* has POSIX setsid(2) call */
547 #  define HASINITGROUPS	1	/* has initgroups(3) call */
548 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
549 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) */
550 #  ifndef IDENTPROTO
551 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
552 #  endif /* ! IDENTPROTO */
553 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
554 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
555 #  define LDA_USE_LOCKF		1
556 
557 /* these include files must be included early on DG/UX */
558 #  include <netinet/in.h>
559 #  include <arpa/inet.h>
560 
561 /* compiler doesn't understand const? */
562 #  define const
563 
564 #  ifdef DGUX_5_4_2
565 #   define inet_addr	dgux_inet_addr
566 extern long	dgux_inet_addr();
567 #  endif /* DGUX_5_4_2 */
568 # endif /* DGUX */
569 
570 
571 /*
572 **  Digital Ultrix 4.2 - 4.5
573 **
574 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
575 **	not dropped when the process exits.  This causes major problems,
576 **	so flock is the only alternative.
577 */
578 
579 # ifdef ultrix
580 #  define HASSETREUID	1	/* has setreuid(2) call */
581 #  define HASUNSETENV	1	/* has unsetenv(3) call */
582 #  define HASINITGROUPS	1	/* has initgroups(3) call */
583 #  define HASUNAME	1	/* use System V uname(2) system call */
584 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
585 #  define HASFCHOWN	1	/* has fchown(2) syscall */
586 #  ifndef HASFLOCK
587 #   define HASFLOCK	1	/* has flock(2) call */
588 #  endif /* ! HASFLOCK */
589 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
590 #  ifndef BROKEN_RES_SEARCH
591 #   define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
592 #  endif /* ! BROKEN_RES_SEARCH */
593 #  if !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621
594 #   define NEEDLOCAL_HOSTNAME_LENGTH	1	/* see sendmail/README */
595 #  endif /* !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621 */
596 #  ifdef vax
597 #   define LA_TYPE	LA_FLOAT
598 #  else /* vax */
599 #   define LA_TYPE	LA_INT
600 #   define LA_AVENRUN	"avenrun"
601 #  endif /* vax */
602 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
603 #  ifndef IDENTPROTO
604 #   define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
605 #  endif /* ! IDENTPROTO */
606 #  define SYSLOG_BUFSIZE	256
607 #  define SM_CONF_SYSLOG	0
608 # endif /* ultrix */
609 
610 
611 /*
612 **  OSF/1 for KSR.
613 **
614 **	Contributed by Todd C. Miller <Todd.Miller@cs.colorado.edu>
615 */
616 
617 # ifdef __ksr__
618 #  define __osf__	1	/* get OSF/1 defines below */
619 #  ifndef TZ_TYPE
620 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
621 #  endif /* ! TZ_TYPE */
622 # endif /* __ksr__ */
623 
624 
625 /*
626 **  OSF/1 for Intel Paragon.
627 **
628 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
629 **	of Intel Scalable Systems Divison.
630 */
631 
632 # ifdef __PARAGON__
633 #  define __osf__	1	/* get OSF/1 defines below */
634 #  ifndef TZ_TYPE
635 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
636 #  endif /* ! TZ_TYPE */
637 #  define GIDSET_T	gid_t
638 #  define MAXNAMLEN	NAME_MAX
639 # endif /* __PARAGON__ */
640 
641 
642 /*
643 **  Tru64 UNIX, formerly known as Digital UNIX, formerly known as DEC OSF/1
644 **
645 **	Tested for 3.2 and 4.0.
646 */
647 
648 # ifdef __osf__
649 #  define HASUNAME	1	/* has uname(2) call */
650 #  define HASUNSETENV	1	/* has unsetenv(3) call */
651 #  define USESETEUID	1	/* has usable seteuid(2) call */
652 #  define HASINITGROUPS	1	/* has initgroups(3) call */
653 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
654 #  define HASFCHOWN	1	/* has fchown(2) syscall */
655 #  define HASSETLOGIN	1	/* has setlogin(2) */
656 #  define IP_SRCROUTE	1	/* can check IP source routing */
657 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
658 #  define GIDSET_T	gid_t
659 #  define SM_INT32	int	/* 32bit integer */
660 #  ifndef HASFLOCK
661 #   include <standards.h>
662 #   if _XOPEN_SOURCE+0 >= 400
663 #    define HASFLOCK	0	/* 5.0 and later has bad flock(2) call */
664 #   else /* _XOPEN_SOURCE+0 >= 400 */
665 #    define HASFLOCK	1	/* has flock(2) call */
666 #   endif /* _XOPEN_SOURCE+0 >= 400 */
667 #  endif /* ! HASFLOCK */
668 #  define LA_TYPE	LA_ALPHAOSF
669 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statfs() impl */
670 #  ifndef _PATH_VENDOR_CF
671 #   define _PATH_VENDOR_CF	"/var/adm/sendmail/sendmail.cf"
672 #  endif /* ! _PATH_VENDOR_CF */
673 #  ifndef _PATH_SENDMAILPID
674 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
675 #  endif /* ! _PATH_SENDMAILPID */
676 #  if _FFR_DIGUNIX_SAFECHOWN
677 /*
678 **  Testing on a Digital UNIX 4.0a system showed this to be the correct
679 **  setting but given the security consequences, more testing and
680 **  verification is needed.  Unfortunately, the man page offers no
681 **  assistance.
682 */
683 #   define IS_SAFE_CHOWN >= 0
684 #  endif /* _FFR_DIGUNIX_SAFECHOWN */
685 # endif /* __osf__ */
686 
687 
688 /*
689 **  NeXTstep
690 */
691 
692 # ifdef NeXT
693 #  define HASINITGROUPS	1	/* has initgroups(3) call */
694 #  define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
695 #  ifndef HASFLOCK
696 #   define HASFLOCK	1	/* has flock(2) call */
697 #  endif /* ! HASFLOCK */
698 #  define UID_T		int	/* compiler gripes on uid_t */
699 #  define GID_T		int	/* ditto for gid_t */
700 #  define MODE_T	int	/* and mode_t */
701 #  define setpgid	setpgrp
702 #  ifndef NOT_SENDMAIL
703 #   define sleep		sleepX
704 #  endif /* ! NOT_SENDMAIL */
705 #  ifndef LA_TYPE
706 #   define LA_TYPE	LA_MACH
707 #  endif /* ! LA_TYPE */
708 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
709 #  ifdef _POSIX_SOURCE
710 extern struct passwd	*getpwent();
711 #  else /* _POSIX_SOURCE */
712 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
713 #   define WAITUNION	1	/* use "union wait" as wait argument type */
714 typedef int		pid_t;
715 #   undef WEXITSTATUS
716 #   undef WIFEXITED
717 #   undef WIFSTOPPED
718 #   undef WTERMSIG
719 #  endif /* _POSIX_SOURCE */
720 #  ifndef _PATH_VENDOR_CF
721 #   define _PATH_VENDOR_CF	"/etc/sendmail/sendmail.cf"
722 #  endif /* ! _PATH_VENDOR_CF */
723 #  ifndef _PATH_SENDMAILPID
724 #   define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
725 #  endif /* ! _PATH_SENDMAILPID */
726 #  define SM_INT32	int	/* 32bit integer */
727 
728 #  ifdef TCPWRAPPERS
729 #   ifndef HASUNSETENV
730 #    define HASUNSETENV	1
731 #   endif /* ! HASUNSETENV */
732 #   undef NEEDPUTENV
733 #  endif /* TCPWRAPPERS */
734 #  ifndef __APPLE__
735 #   include <libc.h>
736 #   ifndef S_IRUSR
737 #    define S_IRUSR	S_IREAD
738 #   endif /* ! S_IRUSR */
739 #   ifndef S_IWUSR
740 #    define S_IWUSR	S_IWRITE
741 #   endif /* ! S_IWUSR */
742 #   define _PATH_MAILDIR	"/usr/spool/mail"
743 #  endif /* ! __APPLE__ */
744 #  ifndef isascii
745 #   define isascii(c)	((unsigned)(c) <= 0177)
746 #  endif /* ! isascii */
747 # endif /* NeXT */
748 
749 /*
750 **  Apple Darwin
751 **      Contributed by Wilfredo Sanchez <wsanchez@mit.edu>
752 */
753 
754 # if defined(DARWIN)
755 #  define HASFCHMOD		1	/* has fchmod(2) */
756 #  define HASFCHOWN		1	/* has fchown(2) */
757 #  define HASFLOCK		1	/* has flock(2) */
758 #  define HASUNAME		1	/* has uname(2) */
759 #  define HASUNSETENV		1	/* has unsetenv(3) */
760 #  define HASSETSID		1	/* has POSIX setsid(2) call */
761 #  define HASINITGROUPS		1	/* has initgroups(3) */
762 #  define HASSETVBUF		1	/* has setvbuf (3) */
763 #  define HASSETREUID		0	/* setreuid(2) unusable */
764 #  define HASSETEUID		1	/* has seteuid(2) */
765 #  define USESETEUID		1	/* has seteuid(2) */
766 #  define HASSETEGID		1	/* has setegid(2) */
767 #  define HASSETREGID		1	/* has setregid(2) */
768 #  define HASSETRESGID		0	/* no setresgid(2) */
769 #  define HASLSTAT		1	/* has lstat(2) */
770 #  define HASSETRLIMIT		1	/* has setrlimit(2) */
771 #  define HASWAITPID		1	/* has waitpid(2) */
772 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
773 #  define HAS_ST_GEN		1	/* has st_gen field in struct stat */
774 #  define HASURANDOMDEV		1	/* has urandom(4) */
775 #  define HASSTRERROR		1	/* has strerror(3) */
776 #  define HASGETUSERSHELL	1	/* had getusershell(3) */
777 #  define GIDSET_T		gid_t	/* getgroups(2) takes gid_t */
778 #  define LA_TYPE		LA_SUBR	/* use getloadavg(3) */
779 #  define SFS_TYPE		SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
780 #  if DARWIN >= 70000
781 #   define SOCKADDR_LEN_T	socklen_t
782 #  endif
783 #  if DARWIN >= 80000
784 #   define SPT_TYPE		SPT_REUSEARGV
785 #   define SPT_PADCHAR		'\0'
786 #   define SOCKOPT_LEN_T	socklen_t
787 #  else
788 #   define SPT_TYPE		SPT_PSSTRINGS	/* use magic PS_STRINGS pointer for setproctitle */
789 #  endif
790 #  define ERRLIST_PREDEFINED		/* don't declare sys_errlist */
791 #  define BSD4_4_SOCKADDR		/* struct sockaddr has sa_len */
792 #  define SAFENFSPATHCONF	0	/* unverified: pathconf(2) doesn't work on NFS */
793 #  define HAS_IN_H		1
794 #  define NETLINK		1	/* supports AF_LINK */
795 #  ifndef NOT_SENDMAIL
796 #   define sleep sleepX
797 extern unsigned int sleepX __P((unsigned int seconds));
798 #  endif /* ! NOT_SENDMAIL */
799 # endif /* defined(DARWIN) */
800 
801 
802 /*
803 **  4.4 BSD
804 **
805 **	See also BSD defines.
806 */
807 
808 # if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) && !defined(DARWIN)
809 #  include <paths.h>
810 #  define HASUNSETENV	1	/* has unsetenv(3) call */
811 #  define USESETEUID	1	/* has usable seteuid(2) call */
812 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
813 #  define HASFCHOWN	1	/* has fchown(2) syscall */
814 #  define HASSTRERROR	1	/* has strerror(3) */
815 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
816 #  include <sys/cdefs.h>
817 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
818 #  define BSD4_4_SOCKADDR	/* has sa_len */
819 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
820 #  define NETLINK	1	/* supports AF_LINK */
821 #  ifndef LA_TYPE
822 #   define LA_TYPE	LA_SUBR
823 #  endif /* ! LA_TYPE */
824 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
825 #  define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
826 # endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) && !defined(DARWIN)*/
827 
828 
829 /*
830 **  BSD/OS (was BSD/386) (all versions)
831 **	From Tony Sanders, BSDI
832 */
833 
834 # ifdef __bsdi__
835 #  include <paths.h>
836 #  define HASUNSETENV	1	/* has the unsetenv(3) call */
837 #  define HASSETREUID	0	/* BSD-OS has broken setreuid(2) emulation */
838 #  define HASSETSID	1	/* has POSIX setsid(2) call */
839 #  define USESETEUID	1	/* has usable seteuid(2) call */
840 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
841 #  define HASSETLOGIN	1	/* has setlogin(2) */
842 #  define HASUNAME	1	/* has uname(2) syscall */
843 #  define HASSTRERROR	1	/* has strerror(3) */
844 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
845 #  include <sys/cdefs.h>
846 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
847 #  define BSD4_4_SOCKADDR	/* has sa_len */
848 #  define NETLINK	1	/* supports AF_LINK */
849 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
850 #  ifndef LA_TYPE
851 #   define LA_TYPE	LA_SUBR
852 #  endif /* ! LA_TYPE */
853 #  define GIDSET_T	gid_t
854 #  define QUAD_T		quad_t
855 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
856 			/* version 1.1 or later */
857 #   undef SPT_TYPE
858 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
859 #  else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
860 			/* version 1.0 or earlier */
861 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
862 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
863 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701	/* on 3.x */
864 #   define HASSETUSERCONTEXT 1	/* has setusercontext */
865 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 */
866 #  if defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701	/* 3.1 and earlier */
867 #   define MODE_T	int	/* va_arg() can't handle less than int */
868 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701 */
869 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910	/* on 4.x */
870 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
871 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910 */
872 # endif /* __bsdi__ */
873 
874 
875 # if defined(__QNX__)
876 #  if defined(__QNXNTO__)
877 /* QNX 6 */
878 #   include <unix.h>
879 #   define HASUNSETENV	1	/* has unsetenv(3) call */
880 #   define HASINITGROUPS	1	/* has initgroups(3) call */
881 #   define HASSETSID	1	/* has POSIX setsid(2) call */
882 #   define USESETEUID	1	/* has usable seteuid(2) call */
883 #   define HASFCHMOD	1	/* has fchmod(2) syscall */
884 #   define HASFCHOWN	1	/* has fchown(2) syscall */
885 #   define HASUNAME	1	/* has uname(2) syscall */
886 #   define HASSTRERROR	1	/* has strerror(3) */
887 #   define BSD4_4_SOCKADDR	/* has sa_len */
888 #   define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
889 #   define NETLINK	1	/* supports AF_LINK */
890 #   define GIDSET_T	gid_t
891 #   define QUAD_T	uint64_t
892 #   define HASSNPRINTF	1	/* has snprintf(3) (all versions?) */
893 #   define HASGETUSERSHELL 0
894 
895 /*
896 **  We have a strrev() that doesn't allocate anything.
897 **  Make sure the one here is used.
898 */
899 
900 #   define strrev strrev_sendmail
901 
902 #  else /* defined(__QNXNTO__) */
903 
904 /*
905 **  QNX 4.2x
906 **	Contributed by Glen McCready <glen@qnx.com>.
907 **
908 **	Should work with all versions of QNX 4.
909 */
910 
911 #   include <unix.h>
912 #   include <sys/select.h>
913 #   undef NGROUPS_MAX
914 #   define HASSETSID	1	/* has POSIX setsid(2) call */
915 #   define USESETEUID	1	/* has usable seteuid(2) call */
916 #   define HASFCHMOD	1	/* has fchmod(2) syscall */
917 #   define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
918 #   define HASSETREUID	1	/* has setreuid(2) call */
919 #   define HASSTRERROR	1	/* has strerror(3) */
920 #   define HASFLOCK	0
921 #   undef HASINITGROUPS		/* has initgroups(3) call */
922 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
923 #   define IP_SRCROUTE	1	/* can check IP source routing */
924 #   define TZ_TYPE	TZ_TMNAME	/* use tmname variable */
925 #   define GIDSET_T	gid_t
926 #   define LA_TYPE	LA_ZERO
927 #   define SFS_TYPE	SFS_NONE
928 #   define SPT_TYPE	SPT_REUSEARGV
929 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
930 #   define HASGETUSERSHELL 0
931 #   define _FILE_H_INCLUDED
932 #  endif /* defined(__QNXNTO__) */
933 # endif /* defined(__QNX__) */
934 
935 
936 /*
937 **  DragonFly BSD/ FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
938 **
939 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
940 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
941 **
942 **	See also BSD defines.
943 */
944 
945 # if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
946 #  include <paths.h>
947 #  define HASUNSETENV	1	/* has unsetenv(3) call */
948 #  define HASSETSID	1	/* has POSIX setsid(2) call */
949 #  define USESETEUID	1	/* has usable seteuid(2) call */
950 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
951 #  define HASFCHOWN	1	/* has fchown(2) syscall */
952 #  define HASUNAME	1	/* has uname(2) syscall */
953 #  define HASSTRERROR	1	/* has strerror(3) */
954 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
955 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
956 #  include <sys/cdefs.h>
957 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
958 #  define BSD4_4_SOCKADDR	/* has sa_len */
959 #  define NETLINK	1	/* supports AF_LINK */
960 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
961 #  define GIDSET_T	gid_t
962 #  define QUAD_T	unsigned long long
963 #  define HASSNPRINTF	1	/* has snprintf(3) (all versions?) */
964 #  ifndef LA_TYPE
965 #   define LA_TYPE	LA_SUBR
966 #  endif /* ! LA_TYPE */
967 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && \
968     ((__NetBSD_Version__ >= 200040000 && __NetBSD_Version__ < 200090000) || \
969     (__NetBSD_Version__ >= 299000900))
970 #   undef SFS_TYPE
971 #   define SFS_TYPE	SFS_STATVFS
972 #  else
973 #   define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
974 #  endif
975 #  if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
976 #   undef SPT_TYPE
977 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
978 #  endif /* defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1) */
979 #  if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3))
980 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
981 #  endif /* defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3)) */
982 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 104170000
983 #   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
984 #  endif
985 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && \
986     ((__NetBSD_Version__ >= 200060000 && __NetBSD_Version__ < 200090000) || \
987     (__NetBSD_Version__ >= 299000900))
988 #   define HASCLOSEFROM	1	/* closefrom(3) added in 2.0F */
989 #  endif
990 #  if defined(__NetBSD__)
991 #   define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
992 #   include <sys/param.h>
993 #   include <sys/sysctl.h>
994 #  endif
995 #  if defined(__DragonFly__)
996 #   define HASSETLOGIN		1	/* has setlogin(2) */
997 #   define HASSRANDOMDEV	1	/* has srandomdev(3) */
998 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
999 #   undef SPT_TYPE
1000 #   include <libutil.h>
1001 #   define SPT_TYPE		SPT_BUILTIN
1002 #   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1003 #   ifndef SMRSH_CMDDIR
1004 #    define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
1005 #   endif /* ! SMRSH_CMDDIR */
1006 #   ifndef SMRSH_PATH
1007 #    define SMRSH_PATH		"/bin:/usr/bin"
1008 #   endif /* ! SMRSH_PATH */
1009 #  define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
1010 #  include <sys/sysctl.h>
1011 #  endif /* defined(__DragonFly__) */
1012 #  if defined(__FreeBSD__)
1013 #   define HASSETLOGIN	1	/* has setlogin(2) */
1014 #   if __FreeBSD_version >= 227001
1015 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1016 #    define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1017 #   endif /* __FreeBSD_version >= 227001 */
1018 #   undef SPT_TYPE
1019 #   if __FreeBSD__ >= 2
1020 #    include <osreldate.h>
1021 #    if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
1022 #      if __FreeBSD_version < 500012
1023 #     include <libutil.h>
1024 #      endif
1025 #     define SPT_TYPE	SPT_BUILTIN
1026 #    endif /* __FreeBSD_version >= 199512 */
1027 #    if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
1028 #     define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1029 #    endif /* __FreeBSD_version >= 222000 */
1030 #    if __FreeBSD_version >= 300000	/* 3.0.0-release and later */
1031 #     define HAVE_NANOSLEEP	1	/* has nanosleep(2) */
1032 #    endif /* __FreeBSD_version >= 300000 */
1033 #    if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
1034 #     ifndef SMRSH_CMDDIR
1035 #      define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
1036 #     endif /* ! SMRSH_CMDDIR */
1037 #     ifndef SMRSH_PATH
1038 #      define SMRSH_PATH	"/bin:/usr/bin"
1039 #     endif /* ! SMRSH_PATH */
1040 #    endif /* __FreeBSD_version >= 330000 */
1041 #    if __FreeBSD_version >= 430000	/* 4.3.0-release and later */
1042 #     define SOCKADDR_LEN_T	socklen_t	/* e.g., arg#3 to accept, getsockname */
1043 #     define SOCKOPT_LEN_T	socklen_t	/* arg#5 to getsockopt */
1044 #    endif /* __FreeBSD_version >= 430000 */
1045 #    define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
1046 #    include <sys/sysctl.h>
1047 #   endif /* __FreeBSD__ >= 2 */
1048 #   ifndef SPT_TYPE
1049 #    define SPT_TYPE	SPT_REUSEARGV
1050 #    define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1051 #   endif /* ! SPT_TYPE */
1052 #  endif /* defined(__FreeBSD__) */
1053 #  if defined(__OpenBSD__)
1054 #   undef SPT_TYPE
1055 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
1056 #   define HASSETLOGIN	1	/* has setlogin(2) */
1057 #   if OpenBSD < 200305
1058 #    define HASSETREUID	0	/* setreuid(2) broken in OpenBSD < 3.3 */
1059 #   endif /* OpenBSD < 200305 */
1060 #   define HASSETEGID	1	/* use setegid(2) to set saved gid */
1061 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1062 #   if OpenBSD >= 200006
1063 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1064 #   endif /* OpenBSD >= 200006 */
1065 #   if OpenBSD >= 200012
1066 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1067 #   endif /* OpenBSD >= 200012 */
1068 #   if OpenBSD >= 200405
1069 #    define HASCLOSEFROM	1	/* closefrom(3) added in 3.5 */
1070 #   endif /* OpenBSD >= 200405 */
1071 #   if OpenBSD >= 200505
1072 #    undef NETISO	/* iso.h removed in 3.7 */
1073 #   endif /* OpenBSD >= 200505 */
1074 #   if OpenBSD >= 200800
1075 #    define HAVE_NANOSLEEP	1	/* has nanosleep(2) */
1076 #   endif /* OpenBSD >= 200800 */
1077 #  endif /* defined(__OpenBSD__) */
1078 # endif /* defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
1079 
1080 
1081 /*
1082 **  Mach386
1083 **
1084 **	For mt Xinu's Mach386 system.
1085 */
1086 
1087 # if defined(MACH) && defined(i386) && !defined(__GNU__)
1088 #  define MACH386	1
1089 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1090 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1091 #  ifndef HASFLOCK
1092 #   define HASFLOCK	1	/* has flock(2) call */
1093 #  endif /* ! HASFLOCK */
1094 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1095 #  define NEEDSTRTOL	1	/* need the strtol() function */
1096 #  define setpgid	setpgrp
1097 #  ifndef LA_TYPE
1098 #   define LA_TYPE	LA_FLOAT
1099 #  endif /* ! LA_TYPE */
1100 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1101 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1102 #  undef WEXITSTATUS
1103 #  undef WIFEXITED
1104 #  ifndef _PATH_VENDOR_CF
1105 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1106 #  endif /* ! _PATH_VENDOR_CF */
1107 #  ifndef _PATH_SENDMAILPID
1108 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1109 #  endif /* ! _PATH_SENDMAILPID */
1110 # endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
1111 
1112 
1113 
1114 /*
1115 **  GNU OS (hurd)
1116 **	Largely BSD & posix compatible.
1117 **	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
1118 **	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
1119 */
1120 
1121 # if defined(__GNU__) && !defined(NeXT)
1122 #  include <paths.h>
1123 #  define HASFCHMOD	1	/* has fchmod(2) call */
1124 #  define HASFCHOWN	1	/* has fchown(2) call */
1125 #  define HASUNAME	1	/* has uname(2) call */
1126 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1127 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
1128 #  define HASSTRERROR	1	/* has strerror(3) */
1129 #  define GIDSET_T	gid_t
1130 #  define SOCKADDR_LEN_T	socklen_t
1131 #  define SOCKOPT_LEN_T	socklen_t
1132 #  if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
1133 #   define LA_TYPE	LA_SUBR
1134 #  else /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1135 #   define LA_TYPE	LA_MACH
1136    /* GNU uses mach[34], which renames some rpcs from mach2.x. */
1137 #   define host_self	mach_host_self
1138 #  endif /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1139 #  define SFS_TYPE	SFS_STATFS
1140 #  define SPT_TYPE	SPT_CHANGEARGV
1141 #  define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
1142 #  define BSD4_4_SOCKADDR	1	/* has sa_len */
1143 #  define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
1144 #  define HAS_IN_H	1	/* GNU has netinet/in.h. */
1145 /* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
1146 #  define MAXPATHLEN	2048
1147 # endif /* defined(__GNU__) && !defined(NeXT) */
1148 
1149 /*
1150 **  4.3 BSD -- this is for very old systems
1151 **
1152 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
1153 **
1154 **	You'll also have to install a new resolver library.
1155 **	I don't guarantee that support for this environment is complete.
1156 */
1157 
1158 # if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1159 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1160 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1161 #  define ARBPTR_T	char *
1162 #  define setpgid	setpgrp
1163 #  ifndef LA_TYPE
1164 #   define LA_TYPE	LA_FLOAT
1165 #  endif /* ! LA_TYPE */
1166 #  ifndef _PATH_VENDOR_CF
1167 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1168 #  endif /* ! _PATH_VENDOR_CF */
1169 #  ifndef IDENTPROTO
1170 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1171 #  endif /* ! IDENTPROTO */
1172 #  undef WEXITSTATUS
1173 #  undef WIFEXITED
1174 typedef short		pid_t;
1175 # endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1176 
1177 
1178 /*
1179 **  SCO Unix
1180 **
1181 **	This includes three parts:
1182 **
1183 **	The first is for SCO OpenServer 5.
1184 **	(Contributed by Keith Reynolds <keithr@sco.COM>).
1185 **
1186 **		SCO OpenServer 5 has a compiler version number macro,
1187 **		which we can use to figure out what version we're on.
1188 **		This may have to change in future releases.
1189 **
1190 **	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1191 **	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1192 **
1193 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1194 */
1195 
1196 /* SCO OpenServer 5 */
1197 # if _SCO_DS >= 1
1198 #  include <paths.h>
1199 #  define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1200 #  define HASFCHMOD	1	/* has fchmod(2) call */
1201 #  define HASFCHOWN	1	/* has fchown(2) call */
1202 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1203 #  define USESETEUID	1	/* has seteuid(2) call */
1204 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1205 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1206 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1207 #  define LDA_USE_LOCKF	1
1208 #  ifndef LA_TYPE
1209 #   define LA_TYPE	LA_DEVSHORT
1210 #  endif /* ! LA_TYPE */
1211 #  define _PATH_AVENRUN	"/dev/table/avenrun"
1212 #  ifndef _SCO_unix_4_2
1213 #   define _SCO_unix_4_2
1214 #  else /* ! _SCO_unix_4_2 */
1215 #   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1216 #   define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
1217 #  endif /* ! _SCO_unix_4_2 */
1218 # endif /* _SCO_DS >= 1 */
1219 
1220 /* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1221 # ifdef _SCO_unix_4_2
1222 #  define _SCO_unix_
1223 #  define HASSETREUID	1	/* has setreuid(2) call */
1224 # endif /* _SCO_unix_4_2 */
1225 
1226 /* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1227 # ifdef _SCO_unix_
1228 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1229 #  define SYSTEM5	1	/* include all the System V defines */
1230 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1231 #  define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1232 #  ifndef USE_SIGLONGJMP
1233 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1234 #  endif /* ! USE_SIGLONGJMP */
1235 #  define MAXPATHLEN	PATHSIZE
1236 #  define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1237 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1238 #  define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1239 #  define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1240 #  define UID_T		uid_t
1241 #  define GID_T		gid_t
1242 #  define GIDSET_T	gid_t
1243 #  define _PATH_UNIX		"/unix"
1244 #  ifndef _PATH_VENDOR_CF
1245 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1246 #  endif /* ! _PATH_VENDOR_CF */
1247 #  ifndef _PATH_SENDMAILPID
1248 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1249 #  endif /* ! _PATH_SENDMAILPID */
1250 
1251 /* stuff fixed in later releases */
1252 #  ifndef _SCO_unix_4_2
1253 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1254 #  endif /* ! _SCO_unix_4_2 */
1255 
1256 #  ifndef _SCO_DS
1257 #   define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1258 #   define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1259 #   define NETUNIX	0	/* no unix domain socket support */
1260 #   define LA_TYPE	LA_SHORT
1261 #  endif /* ! _SCO_DS */
1262 
1263 # endif /* _SCO_unix_ */
1264 
1265 /*
1266 **  ISC (SunSoft) Unix.
1267 **
1268 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1269 */
1270 
1271 # ifdef ISC_UNIX
1272 #  include <net/errno.h>
1273 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1274 #  include <sys/bsdtypes.h>
1275 #  define SYSTEM5	1	/* include all the System V defines */
1276 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1277 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1278 #  define HASSETREUID	1	/* has setreuid(2) call */
1279 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1280 #  define NETUNIX	0	/* no unix domain socket support */
1281 #  define MAXPATHLEN	1024
1282 #  define LA_TYPE	LA_SHORT
1283 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1284 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1285 #  define _PATH_UNIX		"/unix"
1286 #  ifndef _PATH_VENDOR_CF
1287 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1288 #  endif /* ! _PATH_VENDOR_CF */
1289 #  ifndef _PATH_SENDMAILPID
1290 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1291 #  endif /* ! _PATH_SENDMAILPID */
1292 # endif /* ISC_UNIX */
1293 
1294 
1295 /*
1296 **  Altos System V (5.3.1)
1297 **	Contributed by Tim Rice <tim@trr.metro.net>.
1298 */
1299 
1300 # ifdef ALTOS_SYSTEM_V
1301 #  include <sys/stream.h>
1302 #  include <limits.h>
1303 #  define SYSTEM5	1	/* include all the System V defines */
1304 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1305 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1306 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1307 #  define NEEDFSYNC	1	/* no fsync(2) in system library */
1308 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1309 #  define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1310 #  define MAXPATHLEN	PATH_MAX
1311 #  define LA_TYPE	LA_SHORT
1312 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1313 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1314 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1315 #  define NETUNIX	0	/* no unix domain socket support */
1316 #  undef WIFEXITED
1317 #  undef WEXITSTATUS
1318 #  define strtoul	strtol	/* gcc library bogosity */
1319 
1320 typedef unsigned short	uid_t;
1321 typedef unsigned short	gid_t;
1322 typedef short		pid_t;
1323 typedef unsigned long	mode_t;
1324 
1325 /* some stuff that should have been in the include files */
1326 extern char		*malloc();
1327 extern struct passwd	*getpwent();
1328 extern struct passwd	*getpwnam();
1329 extern struct passwd	*getpwuid();
1330 extern char		*getenv();
1331 extern struct group	*getgrgid();
1332 extern struct group	*getgrnam();
1333 
1334 # endif /* ALTOS_SYSTEM_V */
1335 
1336 
1337 /*
1338 **  ConvexOS 11.0 and later
1339 **
1340 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1341 **	works on 9.1 as well.
1342 **
1343 **  ConvexOS 11.5 and later, should work on 11.0 as defined.
1344 **  For pre-ConvexOOS 11.0, define SM_CONF_GETOPT=0, undef IDENTPROTO
1345 **
1346 **	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1347 **		(now the CONVEX Technologies Center of Hewlett Packard)
1348 */
1349 
1350 # ifdef _CONVEX_SOURCE
1351 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1352 #  define HASINITGROUPS	1	/* has initgroups(3) */
1353 #  define HASUNAME	1	/* use System V uname(2) system call */
1354 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1355 #  define HASUNSETENV	1	/* has unsetenv(3) */
1356 #  define HASFLOCK	1	/* has flock(2) */
1357 #  define HASSETRLIMIT	1	/* has setrlimit(2) */
1358 #  define HASSETREUID	1	/* has setreuid(2) */
1359 #  define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1360 #  define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1361 #  define SM_CONF_GETOPT	1	/* need a replacement for getopt(3) */
1362 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1363 #  define LA_TYPE	LA_FLOAT
1364 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1365 #  ifndef _PATH_VENDOR_CF
1366 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1367 #  endif /* ! _PATH_VENDOR_CF */
1368 #  ifndef S_IREAD
1369 #   define S_IREAD	_S_IREAD
1370 #   define S_IWRITE	_S_IWRITE
1371 #   define S_IEXEC	_S_IEXEC
1372 #   define S_IFMT	_S_IFMT
1373 #   define S_IFCHR	_S_IFCHR
1374 #   define S_IFBLK	_S_IFBLK
1375 #  endif /* ! S_IREAD */
1376 #  ifndef TZ_TYPE
1377 #   define TZ_TYPE	TZ_TIMEZONE
1378 #  endif /* ! TZ_TYPE */
1379 #  ifndef IDENTPROTO
1380 #   define IDENTPROTO	1
1381 #  endif /* ! IDENTPROTO */
1382 #  ifndef SHARE_V1
1383 #   define SHARE_V1	1	/* version 1 of the fair share scheduler */
1384 #  endif /* ! SHARE_V1 */
1385 #  if !defined(__GNUC__ )
1386 #   define UID_T	int		/* GNUC gets it right, ConvexC botches */
1387 #   define GID_T	int		/* GNUC gets it right, ConvexC botches */
1388 #  endif /* !defined(__GNUC__ ) */
1389 #  if SECUREWARE
1390 #   define FORK	fork		/* SecureWare wants the real fork! */
1391 #  else /* SECUREWARE */
1392 #   define FORK	vfork		/* the rest of the OS versions don't care */
1393 #  endif /* SECUREWARE */
1394 # endif /* _CONVEX_SOURCE */
1395 
1396 
1397 /*
1398 **  RISC/os 4.52
1399 **
1400 **	Gives a ton of warning messages, but otherwise compiles.
1401 */
1402 
1403 # ifdef RISCOS
1404 
1405 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1406 #  ifndef HASFLOCK
1407 #   define HASFLOCK	1	/* has flock(2) call */
1408 #  endif /* ! HASFLOCK */
1409 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1410 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1411 #  define NEEDPUTENV	1	/* need putenv(3) call */
1412 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1413 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1414 #  define LA_TYPE	LA_INT
1415 #  define LA_AVENRUN	"avenrun"
1416 #  define _PATH_UNIX	"/unix"
1417 #  undef WIFEXITED
1418 
1419 #  define setpgid	setpgrp
1420 
1421 typedef int		pid_t;
1422 #  define SIGFUNC_DEFINED
1423 #  define SIGFUNC_RETURN	(0)
1424 #  define SIGFUNC_DECL	int
1425 typedef int		(*sigfunc_t)();
1426 extern char		*getenv();
1427 extern void		*malloc();
1428 
1429 /* added for RISC/os 4.01...which is dumber than 4.50 */
1430 #  ifdef RISCOS_4_0
1431 #   ifndef ARBPTR_T
1432 #    define ARBPTR_T	char *
1433 #   endif /* ! ARBPTR_T */
1434 #   undef HASFLOCK
1435 #   define HASFLOCK	0
1436 #  endif /* RISCOS_4_0 */
1437 
1438 #  include <sys/time.h>
1439 
1440 # endif /* RISCOS */
1441 
1442 
1443 /*
1444 **  Linux 0.99pl10 and above...
1445 **
1446 **  Thanks to, in reverse order of contact:
1447 **
1448 **	John Kennedy <warlock@csuchico.edu>
1449 **	Andrew Pam <avatar@aus.xanadu.com>
1450 **	Florian La Roche <rzsfl@rz.uni-sb.de>
1451 **	Karl London <karl@borg.demon.co.uk>
1452 **
1453 **  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1454 **	file locking is no longer allowed.  In particular, make sure
1455 **	your DBM library and sendmail are both using either flock(2)
1456 **	*or* fcntl(2) file locking, but not both.
1457 */
1458 
1459 # ifdef __linux__
1460 #  include <linux/version.h>
1461 #  if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1462 #   define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1463 #  endif /* !defined(KERNEL_VERSION) */
1464 #  define BSD		1	/* include BSD defines */
1465 #  define HASSETREGID	1	/* use setregid(2) to set saved gid */
1466 #  ifndef REQUIRES_DIR_FSYNC
1467 #   define REQUIRES_DIR_FSYNC	1	/* requires fsync() on directory */
1468 #  endif /* REQUIRES_DIR_FSYNC */
1469 #  ifndef USESETEUID
1470 #   define USESETEUID	0	/* has it due to POSIX, but doesn't work */
1471 #  endif /* USESETEUID */
1472 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1473 #  define HASUNAME	1	/* use System V uname(2) system call */
1474 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1475 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1476 #  define GIDSET_T	gid_t	/* from <linux/types.h> */
1477 #  ifndef HASGETUSERSHELL
1478 #   define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1479 #  endif /* HASGETUSERSHELL */
1480 #  ifndef IP_SRCROUTE
1481 #   define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1482 #  endif /* ! IP_SRCROUTE */
1483 #  ifndef HAS_IN_H
1484 #   define HAS_IN_H	1	/* use netinet/in.h */
1485 #  endif /* ! HAS_IN_H */
1486 #  ifndef USE_SIGLONGJMP
1487 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1488 #  endif /* ! USE_SIGLONGJMP */
1489 #  ifndef HASFLOCK
1490 #   if LINUX_VERSION_CODE < 66399
1491 #    define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1492 #   else /* LINUX_VERSION_CODE < 66399 */
1493 #     if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
1494 #      define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1495 #     else /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */
1496 #      define HASFLOCK	0	/* flock(2) is broken (again) after 2.4.0 */
1497 #     endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */
1498 #   endif /* LINUX_VERSION_CODE < 66399 */
1499 #  endif /* ! HASFLOCK */
1500 #  ifndef LA_TYPE
1501 #   define LA_TYPE	LA_PROCSTR
1502 #  endif /* ! LA_TYPE */
1503 #  define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1504 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1505 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1506 #   ifndef HASURANDOMDEV
1507 #    define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1508 #   endif /* ! HASURANDOMDEV */
1509 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) */
1510 #  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1511 #   define HASSTRERROR	1	/* has strerror(3) */
1512 #  endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1513 #  ifndef TZ_TYPE
1514 #   define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1515 #  endif /* ! TZ_TYPE */
1516 #  if (__GLIBC__ >= 2)
1517 #   include <paths.h>
1518 #  endif /* (__GLIBC__ >= 2) */
1519 #  ifndef _PATH_SENDMAILPID
1520 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1521 #  endif /* ! _PATH_SENDMAILPID */
1522 #  include <sys/sysmacros.h>
1523 #  undef atol			/* wounded in <stdlib.h> */
1524 #  if NETINET6
1525    /*
1526    **  Linux doesn't have a good way to tell userland what interfaces are
1527    **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1528    **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1529    **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1530    */
1531 #   define ADDRCONFIG_IS_BROKEN	1
1532 
1533    /*
1534    **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1535    **  in 2.1 and later, but the APIs appear before the functions.
1536    */
1537 #   if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1538 #    define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__)
1539 #    if (GLIBC_VERSION >= 0x201)
1540 #     define SOCKADDR_LEN_T     socklen_t
1541 #     define SOCKOPT_LEN_T      socklen_t
1542 #     undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1543 #    else /* (GLIBC_VERSION >= 0x201) */
1544 #     include <linux/in6.h>	/* IPv6 support */
1545 #    endif /* (GLIBC_VERSION >= 0x201) */
1546 #    if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE))
1547      /* Have APIs in <netdb.h>, but no support in glibc */
1548 #     define NEEDSGETIPNODE	1
1549 #    endif /* (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE)) */
1550 #    undef GLIBC_VERSION
1551 #   endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1552 #  endif /* NETINET6 */
1553 #  ifndef HASFCHOWN
1554 #   define HASFCHOWN	1	/* fchown(2) */
1555 #  endif /* ! HASFCHOWN */
1556 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD)
1557 #    define HASFCHMOD	1	/* fchmod(2) */
1558 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD) */
1559 # endif /* __linux__ */
1560 
1561 
1562 /*
1563 **  DELL SVR4 Issue 2.2, and others
1564 **	From Kimmo Suominen <kim@grendel.lut.fi>
1565 **
1566 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1567 **	defined, and the definitions conflict.
1568 **
1569 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1570 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1571 **	(SVR4.0/386 version 3.0).
1572 */
1573 
1574 # ifdef DELL_SVR4
1575 				/* no changes necessary */
1576 				/* see general __svr4__ defines below */
1577 # endif /* DELL_SVR4 */
1578 
1579 
1580 /*
1581 **  Apple A/UX 3.0
1582 */
1583 
1584 # ifdef _AUX_SOURCE
1585 #  include <sys/sysmacros.h>
1586 #  define BSD			/* has BSD routines */
1587 #  define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1588 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1589 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1590 #  define HASUNAME	1	/* use System V uname(2) system call */
1591 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1592 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1593 #  define HASSETVBUF	1	/* has setvbuf(3) in libc */
1594 #  define HASSTRERROR	1	/* has strerror(3) */
1595 #  define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1596 #  define SIGFUNC_RETURN		/* POSIX-mode */
1597 #  define SIGFUNC_DECL	void	/* POSIX-mode */
1598 #  define ERRLIST_PREDEFINED	1
1599 #  ifndef IDENTPROTO
1600 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1601 #  endif /* ! IDENTPROTO */
1602 #  ifndef LA_TYPE
1603 #   define LA_TYPE	LA_INT
1604 #   define FSHIFT	16
1605 #  endif /* ! LA_TYPE */
1606 #  define LA_AVENRUN	"avenrun"
1607 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1608 #  define TZ_TYPE	TZ_TZNAME
1609 #  ifndef _PATH_UNIX
1610 #   define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1611 #  endif /* ! _PATH_UNIX */
1612 #  ifndef _PATH_VENDOR_CF
1613 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1614 #  endif /* ! _PATH_VENDOR_CF */
1615 #  undef WIFEXITED
1616 #  undef WEXITSTATUS
1617 # endif /* _AUX_SOURCE */
1618 
1619 
1620 /*
1621 **  Encore UMAX V
1622 **
1623 **	Not extensively tested.
1624 */
1625 
1626 # ifdef UMAXV
1627 #  define HASUNAME	1	/* use System V uname(2) system call */
1628 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1629 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1630 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1631 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1632 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1633 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1634 #  define MAXPATHLEN	PATH_MAX
1635 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1636 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1637 #  undef WIFEXITED
1638 #  undef WEXITSTATUS
1639 # endif /* UMAXV */
1640 
1641 
1642 /*
1643 **  Stardent Titan 3000 running TitanOS 4.2.
1644 **
1645 **	Must be compiled in "cc -43" mode.
1646 **
1647 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1648 **
1649 **	Note the tweaking below after the BSD defines are set.
1650 */
1651 
1652 # ifdef titan
1653 #  define setpgid	setpgrp
1654 typedef int		pid_t;
1655 #  undef WIFEXITED
1656 #  undef WEXITSTATUS
1657 # endif /* titan */
1658 
1659 
1660 /*
1661 **  Sequent DYNIX 3.2.0
1662 **
1663 **	From Jim Davis <jdavis@cs.arizona.edu>.
1664 */
1665 
1666 # ifdef sequent
1667 
1668 #  define BSD		1
1669 #  define HASUNSETENV	1
1670 #  define BSD4_3		1	/* to get signal() in conf.c */
1671 #  define WAITUNION	1
1672 #  define LA_TYPE	LA_FLOAT
1673 #  ifdef _POSIX_VERSION
1674 #   undef _POSIX_VERSION		/* set in <unistd.h> */
1675 #  endif /* _POSIX_VERSION */
1676 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1677 #  define setpgid	setpgrp
1678 
1679 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1680 #  undef	WIFEXITED
1681 #  define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1682 			 ((union wait*)&(s))->w_termsig == 0)
1683 #  define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1684 typedef int		pid_t;
1685 #  define isgraph(c)	(isprint(c) && (c != ' '))
1686 
1687 #  ifndef IDENTPROTO
1688 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1689 #  endif /* ! IDENTPROTO */
1690 
1691 #  ifndef _PATH_UNIX
1692 #   define _PATH_UNIX		"/dynix"
1693 #  endif /* ! _PATH_UNIX */
1694 #  ifndef _PATH_VENDOR_CF
1695 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1696 #  endif /* ! _PATH_VENDOR_CF */
1697 # endif /* sequent */
1698 
1699 
1700 /*
1701 **  Sequent DYNIX/ptx v2.0 (and higher)
1702 **
1703 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
1704 **
1705 **	From Tim Wright <timw@sequent.com>.
1706 **	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1707 **		for DYNIX/ptx 4.0.2.
1708 */
1709 
1710 # ifdef _SEQUENT_
1711 #  include <sys/stream.h>
1712 #  define SYSTEM5	1	/* include all the System V defines */
1713 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1714 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1715 #  define HASSETREUID	1	/* has setreuid(2) call */
1716 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1717 #  define GIDSET_T	gid_t
1718 #  define LA_TYPE	LA_INT
1719 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1720 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1721 #  ifndef IDENTPROTO
1722 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1723 #  endif /* ! IDENTPROTO */
1724 #  ifndef _PATH_VENDOR_CF
1725 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1726 #  endif /* ! _PATH_VENDOR_CF */
1727 #  ifndef _PATH_SENDMAILPID
1728 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1729 #  endif /* ! _PATH_SENDMAILPID */
1730 # endif /* _SEQUENT_ */
1731 
1732 /*
1733 **  Cray UNICOS, UNICOS/mk, and UNICOS/mp
1734 **
1735 **    UNICOS:
1736 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
1737 **	Update Brian Ginsbach <ginsbach@cray.com>
1738 **    UNICOS/mk (Cray T3E):
1739 **	Contributed by Manu Mahonen <mailadm@csc.fi>
1740 **	of Center for Scientific Computing.
1741 **	Update Brian Ginsbach <ginsbach@cray.com>
1742 **    UNICOS/mp:
1743 **	From Aaron Davis <awd@cray.com> & Brian Ginsbach <ginsbach@cray.com>
1744 */
1745 
1746 # if defined(_CRAY) || defined(UNICOS) || defined(_UNICOSMP)
1747 #  define SYSTEM5	1	/* include all the System V defines */
1748 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1749 #  define HASFCHOWN	1	/* has fchown(2) */
1750 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1751 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1752 #  define HASSETREUID	1	/* has setreuid(2) call */
1753 #  define USESETEUID	1	/* has usable seteuid(2) call */
1754 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
1755 #  define HASSTRERROR	1	/* has strerror(3) */
1756 #  define GIDSET_T	gid_t
1757 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1758 #  define SFS_BAVAIL	f_bfree	/* alternate field name */
1759 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
1760 #  ifdef UNICOS
1761 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1762 #   define LA_TYPE	LA_ZERO
1763 #   define _PATH_MAILDIR	"/usr/spool/mail"
1764 #   define GET_IPOPT_DST(dst) *(struct in_addr *)&(dst)
1765 #   ifndef MAXPATHLEN
1766 #    define MAXPATHLEN PATHSIZE
1767 #   endif /* ! MAXPATHLEN */
1768 #   ifndef _PATH_UNIX
1769 #    ifdef UNICOSMK
1770 #     define _PATH_UNIX		"/unicosmk.ar"
1771 #    else
1772 #     define _PATH_UNIX		"/unicos"
1773 #    endif /* UNICOSMK */
1774 #   endif /* ! _PATH_UNIX */
1775 #   ifndef _PATH_VENDOR_CF
1776 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1777 #   endif /* ! _PATH_VENDOR_CF */
1778 #  endif /* UNICOS */
1779 #  ifdef _UNICOSMP
1780 #  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
1781     /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
1782 #   define _SC_NPROCESSORS_ONLN  _SC_NPROC_ONLN
1783 #  endif /* if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) */
1784 #   define HASGETUSERSHELL 0		/* does not have getusershell(3) call */
1785 #   define HASSETRLIMIT	   1		/* has setrlimit(2) syscall */
1786 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
1787 #   include <sys/cdefs.h>
1788 #   include <paths.h>
1789 #   define ARGV_T char *const *
1790 #  endif /* _UNICOSMP */
1791 # endif /* _CRAY */
1792 
1793 /*
1794 **  Apollo DomainOS
1795 **
1796 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1797 **
1798 **  15 Jan 1994; updated 2 Aug 1995
1799 **
1800 */
1801 
1802 # ifdef apollo
1803 #  define HASSETREUID	1	/* has setreuid(2) call */
1804 #  define HASINITGROUPS	1	/* has initgroups(2) call */
1805 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1806 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1807 #  define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1808 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1809 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1810 #  define TZ_TYPE	TZ_TZNAME
1811 #  ifndef _PATH_VENDOR_CF
1812 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1813 #  endif /* ! _PATH_VENDOR_CF */
1814 #  ifndef _PATH_SENDMAILPID
1815 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1816 #  endif /* ! _PATH_SENDMAILPID */
1817 #  undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1818 #  undef	 S_IFIFO
1819 #  define S_IFIFO	0010000
1820 #  ifndef IDENTPROTO
1821 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1822 #  endif /* ! IDENTPROTO */
1823 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1824 #  if defined(NGROUPS_MAX) && !NGROUPS_MAX
1825 #   undef NGROUPS_MAX
1826 #  endif /* defined(NGROUPS_MAX) && !NGROUPS_MAX */
1827 # endif /* apollo */
1828 
1829 /*
1830 **  MPE-iX
1831 **
1832 **	Requires MPE 6.0 or greater.  See sendmail/README for more info.
1833 **
1834 **	From Mark Bixby <mark_bixby@hp.com> or <mark@bixby.org>.
1835 */
1836 
1837 # ifdef MPE
1838 
1839 #  include <sys/sysmacros.h>
1840 #  include <fcntl.h>
1841 
1842 /* Sendmail stuff */
1843 #  define HASFCHOWN		0	/* lacks fchown() */
1844 #  define HASGETUSERSHELL	0	/* lacks getusershell() */
1845 #  ifdef HASNICE
1846 #   undef  HASNICE
1847 #  endif /* HASNICE */
1848 #  define HASNICE		0	/* lacks nice() */
1849 #  define HASRANDOM		0	/* lacks random() */
1850 #  ifdef HASRRESVPORT
1851 #   undef HASRRESVPORT
1852 #  endif /* HASRRESVPORT */
1853 #  define HASRRESVPORT		0	/* lacks rresvport() */
1854 #  define IP_SRCROUTE		0	/* lacks IP source routing fields */
1855 #  ifdef MATCHGECOS
1856 #   undef MATCHGECOS
1857 #  endif /* MATCHGECOS */
1858 #  define MATCHGECOS		0	/* lacks an initialized GECOS field */
1859 #  define NEEDFSYNC		1	/* use sendmail's fsync() */
1860 #  define NEEDLINK		1	/* use sendmail's link() */
1861 #  define NOFTRUNCATE		1	/* lacks ftruncate() */
1862 #  define SFS_TYPE		SFS_NONE /* can't determine disk space */
1863 #  define SM_CONF_SYSLOG	0	/* use sendmail decl of syslog() */
1864 #  define USE_DOUBLE_FORK	0	/* don't fork an intermediate zombie */
1865 #  define USE_ENVIRON		1	/* use environ instead of envp */
1866 
1867 /* Missing header stuff */
1868 #  define AF_UNSPEC		0
1869 #  define AF_MAX		AF_INET
1870 #  define IFF_LOOPBACK		0x8
1871 #  define IN_LOOPBACKNET	127
1872 #  define MAXNAMLEN		NAME_MAX
1873 #  define S_IEXEC		S_IXUSR
1874 #  define S_IREAD		S_IRUSR
1875 #  define S_IWRITE		S_IWUSR
1876 
1877 /* Present header stuff that needs to be missing */
1878 #  undef NGROUPS_MAX
1879 
1880 /* Shadow functions */
1881 #  define bind		sendmail_mpe_bind
1882 #  define _exit		sendmail_mpe__exit
1883 #  define exit		sendmail_mpe_exit
1884 #  define fcntl		sendmail_mpe_fcntl
1885 #  define getegid	sendmail_mpe_getegid
1886 #  define geteuid	sendmail_mpe_geteuid
1887 #  define getpwnam	sendmail_mpe_getpwnam
1888 #  define getpwuid	sendmail_mpe_getpwuid
1889 #  define setgid	sendmail_mpe_setgid
1890 #  define setuid	sendmail_mpe_setuid
1891 extern int		sendmail_mpe_fcntl __P((int, int, ...));
1892 extern struct passwd *	sendmail_mpe_getpwnam __P((const char *));
1893 extern struct passwd *	sendmail_mpe_getpwuid __P((uid_t));
1894 # endif /* MPE */
1895 
1896 /*
1897 **  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1898 **
1899 **	Contributed by Paul Gampe <paulg@apnic.net>
1900 */
1901 
1902 # ifdef __svr5__
1903 #  include <sys/mkdev.h>
1904 #  define __svr4__
1905 #  define SYS5SIGNALS		1
1906 #  define HASFCHOWN		1	/* has fchown(2) call */
1907 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1908 #  define HASSETREUID		1
1909 #  define HASWAITPID		1
1910 #  define HASGETDTABLESIZE	1
1911 #  define GIDSET_T		gid_t
1912 #  define SOCKADDR_LEN_T	size_t
1913 #  define SOCKOPT_LEN_T		size_t
1914 #  define SIGWAIT_TAKES_1_ARG	1
1915 #  ifndef _PATH_UNIX
1916 #   define _PATH_UNIX		"/stand/unix"
1917 #  endif /* ! _PATH_UNIX */
1918 #  define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1919 #  ifndef SYSLOG_BUFSIZE
1920 #   define SYSLOG_BUFSIZE	1024	/* unsure */
1921 #  endif /* ! SYSLOG_BUFSIZE */
1922 #  ifndef _PATH_VENDOR_CF
1923 #   define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1924 #  endif /* ! _PATH_VENDOR_CF */
1925 #  ifndef _PATH_SENDMAILPID
1926 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1927 #  endif /* ! _PATH_SENDMAILPID */
1928 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1929 #if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT)
1930 # define SM_SET_H_ERRNO(err)	set_h_errno((err))
1931 #endif /* ! SM_SET_H_ERRNO && _REENTRANT */
1932 # endif /* __svr5__ */
1933 
1934 /* ###################################################################### */
1935 
1936 /*
1937 **  UnixWare 2.x
1938 */
1939 
1940 # ifdef UNIXWARE2
1941 #  define UNIXWARE	1
1942 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1943 # endif /* UNIXWARE2 */
1944 
1945 
1946 /*
1947 **  UnixWare 1.1.2.
1948 **
1949 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1950 **	From Evan Champion <evanc@spatial.synapse.org>.
1951 */
1952 
1953 # ifdef UNIXWARE
1954 #  include <sys/mkdev.h>
1955 #  define SYSTEM5		1
1956 #  define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1957 #  define HASSETREUID		1
1958 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1959 #  define HASINITGROUPS		1
1960 #  define GIDSET_T		gid_t
1961 #  define SLEEP_T		unsigned
1962 #  define SFS_TYPE		SFS_STATVFS
1963 #  define LA_TYPE		LA_ZERO
1964 #  undef WIFEXITED
1965 #  undef WEXITSTATUS
1966 #  ifndef _PATH_UNIX
1967 #   define _PATH_UNIX		"/unix"
1968 #  endif /* ! _PATH_UNIX */
1969 #  ifndef _PATH_VENDOR_CF
1970 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1971 #  endif /* ! _PATH_VENDOR_CF */
1972 #  ifndef _PATH_SENDMAILPID
1973 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1974 #  endif /* ! _PATH_SENDMAILPID */
1975 #  define SYSLOG_BUFSIZE	128
1976 # endif /* UNIXWARE */
1977 
1978 
1979 /*
1980 **  Intergraph CLIX 3.1
1981 **
1982 **	From Paul Southworth <pauls@locust.cic.net>
1983 */
1984 
1985 # ifdef CLIX
1986 #  define SYSTEM5	1	/* looks like System V */
1987 #  ifndef HASGETUSERSHELL
1988 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1989 #  endif /* ! HASGETUSERSHELL */
1990 #  define DEV_BSIZE	512	/* device block size not defined */
1991 #  define GIDSET_T	gid_t
1992 #  undef LOG			/* syslog not available */
1993 #  define NEEDFSYNC	1	/* no fsync in system library */
1994 #  define GETSHORT	_getshort
1995 # endif /* CLIX */
1996 
1997 
1998 /*
1999 **  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
2000 **
2001 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
2002 */
2003 
2004 # ifdef NCR_MP_RAS2
2005 #  include <sys/sockio.h>
2006 #  define __svr4__
2007 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
2008 #  define SYSLOG_BUFSIZE	1024
2009 #  define SPT_TYPE  SPT_NONE
2010 # endif /* NCR_MP_RAS2 */
2011 
2012 
2013 /*
2014 **  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
2015 **
2016 **	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
2017 */
2018 
2019 # ifdef NCR_MP_RAS3
2020 #  define __svr4__
2021 #  define HASFCHOWN		1	/* has fchown(2) call */
2022 #  define LDA_USE_LOCKF		1
2023 #  define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
2024 #  define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
2025 #  define SYSLOG_BUFSIZE	1024
2026 #  define SPT_TYPE	SPT_NONE
2027 #  define _PATH_MAILDIR	"/var/mail"
2028 #  ifndef _XOPEN_SOURCE
2029 #   define _XOPEN_SOURCE
2030 #   define _XOPEN_SOURCE_EXTENDED 1
2031 #   include <sys/resource.h>
2032 #   undef _XOPEN_SOURCE
2033 #   undef _XOPEN_SOURCE_EXTENDED
2034 #  endif /* ! _XOPEN_SOURCE */
2035 # endif /* NCR_MP_RAS3 */
2036 
2037 
2038 /*
2039 **  Tandem NonStop-UX SVR4
2040 **
2041 **	From Rick McCarty <mccarty@mpd.tandem.com>.
2042 */
2043 
2044 # ifdef NonStop_UX_BXX
2045 #  define __svr4__
2046 # endif /* NonStop_UX_BXX */
2047 
2048 
2049 /*
2050 **  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
2051 **
2052 **	Tested for 1.04, 1.03
2053 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
2054 **
2055 **	Tested for 4.02, 6.10 and 7.10
2056 **	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
2057 */
2058 
2059 # if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
2060 #  define SYSTEM5	1	/* include all the System V defines */
2061 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2062 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
2063 #  define setreuid(r, e)	setresuid(r, e, -1)
2064 #  define LA_TYPE	LA_FLOAT
2065 #  define SPT_TYPE	SPT_PSTAT
2066 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
2067 #  ifndef HASSETVBUF
2068 #   define HASSETVBUF	/* HI-UX has no setlinebuf */
2069 #  endif /* ! HASSETVBUF */
2070 #  ifndef GIDSET_T
2071 #   define GIDSET_T	gid_t
2072 #  endif /* ! GIDSET_T */
2073 #  ifndef _PATH_UNIX
2074 #   define _PATH_UNIX		"/HI-UX"
2075 #  endif /* ! _PATH_UNIX */
2076 #  ifndef _PATH_VENDOR_CF
2077 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2078 #  endif /* ! _PATH_VENDOR_CF */
2079 #  ifndef IDENTPROTO
2080 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2081 #  endif /* ! IDENTPROTO */
2082 #  ifndef HASGETUSERSHELL
2083 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
2084 #  endif /* ! HASGETUSERSHELL */
2085 #  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
2086 
2087 /*
2088 **  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
2089 **  on HIUX 3050
2090 */
2091 #  undef m_flags
2092 
2093 #  define SM_CONF_SYSLOG	0
2094 
2095 # endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
2096 
2097 
2098 /*
2099 **  Amdahl UTS System V 2.1.5 (SVr3-based)
2100 **
2101 **    From: Janet Jackson <janet@dialix.oz.au>.
2102 */
2103 
2104 # ifdef _UTS
2105 #  include <sys/sysmacros.h>
2106 #  undef HASLSTAT		/* has symlinks, but they cause problems */
2107 #  define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
2108 #  define SYS5SIGNALS	1	/* System V signal semantics */
2109 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2110 #  define HASUNAME	1	/* use System V uname(2) system call */
2111 #  define HASINITGROUPS	1	/* has initgroups(3) function */
2112 #  define HASSETVBUF	1	/* has setvbuf(3) function */
2113 #  ifndef HASGETUSERSHELL
2114 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
2115 #  endif /* ! HASGETUSERSHELL */
2116 #  define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
2117 #  define LA_TYPE	LA_ZERO		/* doesn't have load average */
2118 #  define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
2119 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2120 #  define _PATH_UNIX		"/unix"
2121 #  ifndef _PATH_VENDOR_CF
2122 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2123 #  endif /* ! _PATH_VENDOR_CF */
2124 # endif /* _UTS */
2125 
2126 /*
2127 **  Cray Computer Corporation's CSOS
2128 **
2129 **	From Scott Bolte <scott@craycos.com>.
2130 */
2131 
2132 # ifdef _CRAYCOM
2133 #  define SYSTEM5	1	/* include all the System V defines */
2134 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2135 #  define NEEDFSYNC	1	/* no fsync in system library */
2136 #  define MAXPATHLEN	PATHSIZE
2137 #  define LA_TYPE	LA_ZERO
2138 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
2139 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2140 #  define _POSIX_CHOWN_RESTRICTED	-1
2141 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
2142 # endif /* _CRAYCOM */
2143 
2144 
2145 /*
2146 **  Sony NEWS-OS 4.2.1R and 6.0.3
2147 **
2148 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2149 */
2150 
2151 # ifdef sony_news
2152 #  ifndef __svr4
2153 			/* NEWS-OS 4.2.1R */
2154 #   ifndef BSD
2155 #    define BSD			/* has BSD routines */
2156 #   endif /* ! BSD */
2157 #   define HASUNSETENV	1	/* has unsetenv(2) call */
2158 #   undef HASSETVBUF		/* don't actually have setvbuf(3) */
2159 #   define WAITUNION	1	/* use "union wait" as wait argument type */
2160 #   define LA_TYPE	LA_INT
2161 #   define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2162 #   ifndef HASFLOCK
2163 #    define HASFLOCK	1	/* has flock(2) call */
2164 #   endif /* ! HASFLOCK */
2165 #   define setpgid	setpgrp
2166 #   undef WIFEXITED
2167 #   undef WEXITSTATUS
2168 #   define MODE_T	int	/* system include files have no mode_t */
2169 typedef int		pid_t;
2170 typedef int		(*sigfunc_t)();
2171 #   define SIGFUNC_DEFINED
2172 #   define SIGFUNC_RETURN	(0)
2173 #   define SIGFUNC_DECL		int
2174 
2175 #  else /* ! __svr4 */
2176 			/* NEWS-OS 6.0.3 with /bin/cc */
2177 #   ifndef __svr4__
2178 #    define __svr4__		/* use all System V Release 4 defines below */
2179 #   endif /* ! __svr4__ */
2180 #   define HASSETSID	1	/* has POSIX setsid(2) call */
2181 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
2182 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2183 #   ifndef SPT_TYPE
2184 #    define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
2185 #   endif /* ! SPT_TYPE */
2186 #   define GIDSET_T	gid_t
2187 #   undef WIFEXITED
2188 #   undef WEXITSTATUS
2189 #   ifndef SYSLOG_BUFSIZE
2190 #    define SYSLOG_BUFSIZE	256
2191 #   endif /* ! SYSLOG_BUFSIZE */
2192 #   define _PATH_UNIX		"/stand/unix"
2193 #   ifndef _PATH_VENDOR_CF
2194 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2195 #   endif /* ! _PATH_VENDOR_CF */
2196 #   ifndef _PATH_SENDMAILPID
2197 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2198 #   endif /* ! _PATH_SENDMAILPID */
2199 
2200 #  endif /* ! __svr4 */
2201 # endif /* sony_news */
2202 
2203 
2204 /*
2205 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
2206 **
2207 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2208 */
2209 
2210 # ifdef luna
2211 #  ifndef IDENTPROTO
2212 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2213 #  endif /* ! IDENTPROTO */
2214 #  define HASUNSETENV	1	/* has unsetenv(2) call */
2215 #  define NEEDPUTENV	1	/* need putenv(3) call */
2216 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
2217 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2218 #  define WAITUNION	1	/* use "union wait" as wait argument type */
2219 #  ifdef uniosb
2220 #   include <sys/time.h>
2221 #   define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2222 #   define LA_TYPE	LA_INT
2223 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2224 #  endif /* uniosb */
2225 #  ifdef luna2
2226 #   define LA_TYPE	LA_SUBR
2227 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2228 #  endif /* luna2 */
2229 #  ifdef luna88k
2230 #   define LA_TYPE	LA_INT
2231 #  endif /* luna88k */
2232 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2233 #  define setpgid	setpgrp
2234 #  undef WIFEXITED
2235 #  undef WEXITSTATUS
2236 typedef int		pid_t;
2237 typedef int		(*sigfunc_t)();
2238 #  define SIGFUNC_DEFINED
2239 #  define SIGFUNC_RETURN	(0)
2240 #  define SIGFUNC_DECL	int
2241 extern char	*getenv();
2242 #  ifndef _PATH_VENDOR_CF
2243 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2244 #  endif /* ! _PATH_VENDOR_CF */
2245 # endif /* luna */
2246 
2247 
2248 /*
2249 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2250 **
2251 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2252 */
2253 
2254 # if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2255 #  ifndef __svr4__
2256 #   define __svr4__		/* use all System V Release 4 defines below */
2257 #  endif /* ! __svr4__ */
2258 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2259 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2260 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2261 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2262 #  define GIDSET_T	gid_t
2263 #  undef WIFEXITED
2264 #  undef WEXITSTATUS
2265 #  define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2266 #  ifndef _PATH_VENDOR_CF
2267 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2268 #  endif /* ! _PATH_VENDOR_CF */
2269 #  ifndef _PATH_SENDMAILPID
2270 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2271 #  endif /* ! _PATH_SENDMAILPID */
2272 #  ifndef SYSLOG_BUFSIZE
2273 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2274 #  endif /* ! SYSLOG_BUFSIZE */
2275 # endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2276 
2277 
2278 /*
2279 **  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2280 **
2281 **	From Diego R. Lopez <drlopez@cica.es>.
2282 **	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2283 **		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2284 */
2285 
2286 # ifdef __uxp__
2287 #  include <arpa/nameser.h>
2288 #  include <sys/sysmacros.h>
2289 #  include <sys/mkdev.h>
2290 #  define __svr4__
2291 #  define HASGETUSERSHELL	0
2292 #  define HASFLOCK		0
2293 #  define _PATH_UNIX		"/stand/unix"
2294 #  ifndef _PATH_VENDOR_CF
2295 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2296 #  endif /* ! _PATH_VENDOR_CF */
2297 #  ifndef _PATH_SENDMAILPID
2298 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2299 #  endif /* ! _PATH_SENDMAILPID */
2300 # endif /* __uxp__ */
2301 
2302 /*
2303 **  Pyramid DC/OSx
2304 **
2305 **	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2306 */
2307 
2308 # ifdef DCOSx
2309 #  define GIDSET_T	gid_t
2310 #  ifndef IDENTPROTO
2311 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2312 #  endif /* ! IDENTPROTO */
2313 # endif /* DCOSx */
2314 
2315 /*
2316 **  Concurrent Computer Corporation Maxion
2317 **
2318 **	From Donald R. Laster Jr. <laster@access.digex.net>.
2319 */
2320 
2321 # ifdef __MAXION__
2322 
2323 #  include <sys/stream.h>
2324 #  define __svr4__		1	/* SVR4.2MP */
2325 #  define HASSETREUID		1	/* have setreuid(2) */
2326 #  define HASLSTAT		1	/* have lstat(2) */
2327 #  define HASSETRLIMIT		1	/* have setrlimit(2) */
2328 #  define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2329 #  define HASGETUSERSHELL	1	/* have getusershell(3) */
2330 #  define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2331 #  define SLEEP_T		unsigned
2332 #  define SFS_TYPE		SFS_STATVFS
2333 #  define SFS_BAVAIL		f_bavail
2334 #  ifndef SYSLOG_BUFSIZE
2335 #   define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2336 #  endif /* ! SYSLOG_BUFSIZE */
2337 
2338 #  undef WUNTRACED
2339 #  undef WIFEXITED
2340 #  undef WIFSIGNALED
2341 #  undef WIFSTOPPED
2342 #  undef WEXITSTATUS
2343 #  undef WTERMSIG
2344 #  undef WSTOPSIG
2345 
2346 # endif /* __MAXION__ */
2347 
2348 /*
2349 **  Harris Nighthawk PowerUX (nh6000 box)
2350 **
2351 **  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2352 */
2353 
2354 # ifdef _PowerUX
2355 #  ifndef __svr4__
2356 #   define __svr4__
2357 #  endif /* ! __svr4__ */
2358 #  ifndef _PATH_VENDOR_CF
2359 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2360 #  endif /* ! _PATH_VENDOR_CF */
2361 #  ifndef _PATH_SENDMAILPID
2362 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2363 #  endif /* ! _PATH_SENDMAILPID */
2364 #  define SYSLOG_BUFSIZE		1024
2365 #  define LA_TYPE		LA_ZERO
2366 typedef struct msgb		mblk_t;
2367 #  undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2368 # endif /* _PowerUX */
2369 
2370 /*
2371 **  Siemens Nixdorf Informationssysteme AG SINIX
2372 **
2373 **	Contributed by Gerald Rinske of Siemens Business Services VAS.
2374 */
2375 # ifdef sinix
2376 #  define HASRANDOM		0	/* has random(3) */
2377 #  define SYSLOG_BUFSIZE	1024
2378 #  define SM_INT32		int	/* 32bit integer */
2379 # endif /* sinix */
2380 
2381 
2382 /*
2383 **  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2384 **
2385 **	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2386 */
2387 
2388 # ifdef MOTO
2389 #  define HASFCHMOD		1
2390 #  define HASSETRLIMIT		0
2391 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2392 #  define HASSETREUID		1
2393 #  define HASULIMIT		1
2394 #  define HASWAITPID		1
2395 #  define HASGETDTABLESIZE	1
2396 #  define HASGETUSERSHELL	1
2397 #  define IP_SRCROUTE		0
2398 #  define IDENTPROTO		0
2399 #  define RES_DNSRCH_VARIABLE	_res_dnsrch
2400 #  define _PATH_UNIX		"/unix"
2401 #  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2402 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2403 # endif /* MOTO */
2404 
2405 /*
2406 **  Interix
2407 **	Contributed by Nedelcho Stanev <nedelcho.stanev@atlanticsky.com>
2408 **
2409 **	Used for Interix support.
2410 */
2411 
2412 # if defined(__INTERIX)
2413 #  define HASURANDOMDEV		1
2414 #  define HASGETUSERSHELL	0
2415 #  define HASSTRERROR		1
2416 #  define HASUNSETENV		1
2417 #  define HASFCHOWN		1
2418 #  undef HAVE_SYS_ERRLIST
2419 #  define sys_errlist		__sys_errlist
2420 #  define sys_nerr		__sys_nerr
2421 #  include <sys/mkdev.h>
2422 #  ifndef major
2423 #   define major(dev)		((int)(((dev) >> 8) & 0xff))
2424 #  endif /* ! major */
2425 #  ifndef minor
2426 #   define minor(dev)		((int)((dev) & 0xff))
2427 #  endif /* ! minor */
2428 # endif /* defined(__INTERIX) */
2429 
2430 
2431 /**********************************************************************
2432 **  End of Per-Operating System defines
2433 **********************************************************************/
2434 /**********************************************************************
2435 **  More general defines
2436 **********************************************************************/
2437 
2438 /* general BSD defines */
2439 # ifdef BSD
2440 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2441 #  ifndef HASSETREUID
2442 #   define HASSETREUID	1	/* has setreuid(2) call */
2443 #  endif /* ! HASSETREUID */
2444 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2445 #  ifndef IP_SRCROUTE
2446 #   define IP_SRCROUTE	1	/* can check IP source routing */
2447 #  endif /* ! IP_SRCROUTE */
2448 #  ifndef HASSETRLIMIT
2449 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2450 #  endif /* ! HASSETRLIMIT */
2451 #  ifndef HASFLOCK
2452 #   define HASFLOCK	1	/* has flock(2) call */
2453 #  endif /* ! HASFLOCK */
2454 #  ifndef TZ_TYPE
2455 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2456 #  endif /* ! TZ_TYPE */
2457 # endif /* BSD */
2458 
2459 /* general System V Release 4 defines */
2460 # ifdef __svr4__
2461 #  define SYSTEM5	1
2462 #  define USESETEUID	1	/* has usable seteuid(2) call */
2463 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2464 #  define BSD_COMP	1	/* get BSD ioctl calls */
2465 #  ifndef HASSETRLIMIT
2466 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2467 #  endif /* ! HASSETRLIMIT */
2468 #  ifndef HASGETUSERSHELL
2469 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2470 #  endif /* ! HASGETUSERSHELL */
2471 #  ifndef HASFCHMOD
2472 #   define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2473 #  endif /* ! HASFCHMOD */
2474 
2475 #  ifndef _PATH_UNIX
2476 #   define _PATH_UNIX		"/unix"
2477 #  endif /* ! _PATH_UNIX */
2478 #  ifndef _PATH_VENDOR_CF
2479 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2480 #  endif /* ! _PATH_VENDOR_CF */
2481 #  ifndef _PATH_SENDMAILPID
2482 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2483 #  endif /* ! _PATH_SENDMAILPID */
2484 #  ifndef SYSLOG_BUFSIZE
2485 #   define SYSLOG_BUFSIZE	128
2486 #  endif /* ! SYSLOG_BUFSIZE */
2487 #  ifndef SFS_TYPE
2488 #   define SFS_TYPE		SFS_STATVFS
2489 #  endif /* ! SFS_TYPE */
2490 
2491 #  ifndef USE_SIGLONGJMP
2492 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
2493 #  endif /* ! USE_SIGLONGJMP */
2494 # endif /* __svr4__ */
2495 
2496 # ifdef __SVR4
2497 #  define LDA_USE_LOCKF		1
2498 #  define LDA_USE_SETEUID	1
2499 #  define _PATH_MAILDIR		"/var/mail"
2500 # endif /* __SVR4 */
2501 
2502 /* general System V defines */
2503 # ifdef SYSTEM5
2504 #  include <sys/sysmacros.h>
2505 #  define HASUNAME	1	/* use System V uname(2) system call */
2506 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2507 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2508 #  ifndef HASULIMIT
2509 #   define HASULIMIT	1	/* has the ulimit(2) syscall */
2510 #  endif /* ! HASULIMIT */
2511 #  ifndef LA_TYPE
2512 #   ifdef MIOC_READKSYM
2513 #    define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2514 #   else /* MIOC_READKSYM */
2515 #    define LA_TYPE	LA_INT		/* assume integer load average */
2516 #   endif /* MIOC_READKSYM */
2517 #  endif /* ! LA_TYPE */
2518 #  ifndef SFS_TYPE
2519 #   define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2520 #  endif /* ! SFS_TYPE */
2521 #  ifndef TZ_TYPE
2522 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2523 #  endif /* ! TZ_TYPE */
2524 # endif /* SYSTEM5 */
2525 
2526 /* general POSIX defines */
2527 # ifdef _POSIX_VERSION
2528 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2529 #  define HASWAITPID	1	/* has POSIX waitpid(2) call */
2530 #  if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2531 #   define USESETEUID	1	/* has usable seteuid(2) call */
2532 #  endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2533 # endif /* _POSIX_VERSION */
2534 /*
2535 **  Tweaking for systems that (for example) claim to be BSD or POSIX
2536 **  but don't have all the standard BSD or POSIX routines (boo hiss).
2537 */
2538 
2539 # ifdef titan
2540 #  undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2541 # endif /* titan */
2542 
2543 # ifdef _CRAYCOM
2544 #  undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2545 # endif /* _CRAYCOM */
2546 
2547 # ifdef MOTO
2548 #  undef USESETEUID
2549 # endif /* MOTO */
2550 
2551 /*
2552 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2553 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2554 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2555 **  are closed.  Some firewalls return this error if you try to connect
2556 **  to the IDENT port (113), so you can't receive email from these hosts
2557 **  on these systems.  The firewall really should use a more specific
2558 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2559 **  not explicitly set to zero above, default it on.
2560 */
2561 
2562 # ifndef IDENTPROTO
2563 #  define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2564 # endif /* ! IDENTPROTO */
2565 
2566 # ifndef IP_SRCROUTE
2567 #  define IP_SRCROUTE	1	/* Detect IP source routing */
2568 # endif /* ! IP_SRCROUTE */
2569 
2570 # ifndef HASGETUSERSHELL
2571 #  define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2572 # endif /* ! HASGETUSERSHELL */
2573 
2574 # ifndef NETUNIX
2575 #  define NETUNIX	1	/* include unix domain support */
2576 # endif /* ! NETUNIX */
2577 
2578 # ifndef HASRANDOM
2579 #  define HASRANDOM	1	/* has random(3) support */
2580 # endif /* ! HASRANDOM */
2581 
2582 # ifndef HASFLOCK
2583 #  define HASFLOCK	0	/* assume no flock(2) support */
2584 # endif /* ! HASFLOCK */
2585 
2586 # ifndef HASSETREUID
2587 #  define HASSETREUID	0	/* assume no setreuid(2) call */
2588 # endif /* ! HASSETREUID */
2589 
2590 # ifndef HASFCHMOD
2591 #  define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2592 # endif /* ! HASFCHMOD */
2593 
2594 # ifndef USESETEUID
2595 #  define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2596 # endif /* ! USESETEUID */
2597 
2598 # ifndef HASSETRLIMIT
2599 #  define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2600 # endif /* ! HASSETRLIMIT */
2601 
2602 # ifndef HASULIMIT
2603 #  define HASULIMIT	0	/* assume no ulimit(2) support */
2604 # endif /* ! HASULIMIT */
2605 
2606 # ifndef SECUREWARE
2607 #  define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2608 # endif /* ! SECUREWARE */
2609 
2610 # ifndef USE_DOUBLE_FORK
2611 #  define USE_DOUBLE_FORK	1	/* avoid intermediate zombies */
2612 # endif /* ! USE_DOUBLE_FORK */
2613 
2614 # ifndef USE_ENVIRON
2615 #  define USE_ENVIRON	0	/* use main() envp instead of extern environ */
2616 # endif /* ! USE_ENVIRON */
2617 
2618 # ifndef USE_SIGLONGJMP
2619 #  define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2620 # endif /* ! USE_SIGLONGJMP */
2621 
2622 # ifndef FDSET_CAST
2623 #  define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2624 # endif /* ! FDSET_CAST */
2625 
2626 /*
2627 **  Pick a mailer setuid method for changing the current uid
2628 */
2629 
2630 # define USE_SETEUID	0
2631 # define USE_SETREUID	1
2632 # define USE_SETUID	2
2633 
2634 # if USESETEUID
2635 #  define MAILER_SETUID_METHOD	USE_SETEUID
2636 # else /* USESETEUID */
2637 #  if HASSETREUID
2638 #   define MAILER_SETUID_METHOD	USE_SETREUID
2639 #  else /* HASSETREUID */
2640 #   define MAILER_SETUID_METHOD	USE_SETUID
2641 #  endif /* HASSETREUID */
2642 # endif /* USESETEUID */
2643 
2644 /*
2645 **  If no type for argument two of getgroups call is defined, assume
2646 **  it's an integer -- unfortunately, there seem to be several choices
2647 **  here.
2648 */
2649 
2650 # ifndef GIDSET_T
2651 #  define GIDSET_T	int
2652 # endif /* ! GIDSET_T */
2653 
2654 # ifndef UID_T
2655 #  define UID_T		uid_t
2656 # endif /* ! UID_T */
2657 
2658 # ifndef GID_T
2659 #  define GID_T		gid_t
2660 # endif /* ! GID_T */
2661 
2662 # ifndef MODE_T
2663 #  define MODE_T		mode_t
2664 # endif /* ! MODE_T */
2665 
2666 # ifndef ARGV_T
2667 #  define ARGV_T		char **
2668 # endif /* ! ARGV_T */
2669 
2670 # ifndef SOCKADDR_LEN_T
2671 #  define SOCKADDR_LEN_T	int
2672 # endif /* ! SOCKADDR_LEN_T */
2673 
2674 # ifndef SOCKOPT_LEN_T
2675 #  define SOCKOPT_LEN_T	int
2676 # endif /* ! SOCKOPT_LEN_T */
2677 
2678 # ifndef QUAD_T
2679 #  define QUAD_T	unsigned long
2680 # endif /* ! QUAD_T */
2681 /**********************************************************************
2682 **  Remaining definitions should never have to be changed.  They are
2683 **  primarily to provide back compatibility for older systems -- for
2684 **  example, it includes some POSIX compatibility definitions
2685 **********************************************************************/
2686 
2687 /* System 5 compatibility */
2688 # ifndef S_ISREG
2689 #  define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2690 # endif /* ! S_ISREG */
2691 # ifndef S_ISDIR
2692 #  define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2693 # endif /* ! S_ISDIR */
2694 # if !defined(S_ISLNK) && defined(S_IFLNK)
2695 #  define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2696 # endif /* !defined(S_ISLNK) && defined(S_IFLNK) */
2697 # if !defined(S_ISFIFO)
2698 #  if defined(S_IFIFO)
2699 #   define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2700 #  else /* defined(S_IFIFO) */
2701 #   define S_ISFIFO(foo)	false
2702 #  endif /* defined(S_IFIFO) */
2703 # endif /* !defined(S_ISFIFO) */
2704 # ifndef S_IRUSR
2705 #  define S_IRUSR		0400
2706 # endif /* ! S_IRUSR */
2707 # ifndef S_IWUSR
2708 #  define S_IWUSR		0200
2709 # endif /* ! S_IWUSR */
2710 # ifndef S_IRGRP
2711 #  define S_IRGRP		0040
2712 # endif /* ! S_IRGRP */
2713 # ifndef S_IWGRP
2714 #  define S_IWGRP		0020
2715 # endif /* ! S_IWGRP */
2716 # ifndef S_IROTH
2717 #  define S_IROTH		0004
2718 # endif /* ! S_IROTH */
2719 # ifndef S_IWOTH
2720 #  define S_IWOTH		0002
2721 # endif /* ! S_IWOTH */
2722 
2723 /* close-on-exec flag */
2724 # ifndef FD_CLOEXEC
2725 #  define FD_CLOEXEC	1
2726 # endif /* ! FD_CLOEXEC */
2727 
2728 /*
2729 **  Older systems don't have this error code -- it should be in
2730 **  /usr/include/sysexits.h.
2731 */
2732 
2733 # ifndef EX_CONFIG
2734 #  define EX_CONFIG	78	/* configuration error */
2735 # endif /* ! EX_CONFIG */
2736 
2737 /* pseudo-codes */
2738 # define EX_QUIT	22	/* drop out of server immediately */
2739 # define EX_RESTART	23	/* restart sendmail daemon */
2740 # define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2741 
2742 #ifndef EX_NOTFOUND
2743 # define EX_NOTFOUND	EX_NOHOST
2744 #endif /* ! EX_NOTFOUND */
2745 
2746 /* pseudo-code used for mci_setstat */
2747 # define EX_NOTSTICKY	(-5)	/* don't save persistent status */
2748 
2749 
2750 /*
2751 **  An "impossible" file mode to indicate that the file does not exist.
2752 */
2753 
2754 # define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2755 
2756 
2757 /* type of arbitrary pointer */
2758 # ifndef ARBPTR_T
2759 #  define ARBPTR_T	void *
2760 # endif /* ! ARBPTR_T */
2761 
2762 # ifndef __P
2763 #  include "sm/cdefs.h"
2764 # endif /* ! __P */
2765 
2766 # if HESIOD && !defined(NAMED_BIND)
2767 #  define NAMED_BIND	1	/* not one without the other */
2768 # endif /* HESIOD && !defined(NAMED_BIND) */
2769 
2770 #  if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2771 extern int	h_errno;
2772 #  endif /* NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) */
2773 
2774 # if NEEDPUTENV
2775 extern int	putenv __P((char *));
2776 # endif /* NEEDPUTENV */
2777 
2778 #if !HASUNSETENV
2779 extern void	unsetenv __P((char *));
2780 #endif /* !HASUNSETENV */
2781 
2782 # ifdef LDAPMAP
2783 #  include <sys/time.h>
2784 #  include <lber.h>
2785 #  include <ldap.h>
2786 
2787 /* Some LDAP constants */
2788 #  define LDAPMAP_FALSE		0
2789 #  define LDAPMAP_TRUE		1
2790 
2791 /*
2792 **  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2793 **  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2794 **  and assume (falsely) that all old API implementations are broken.
2795 **  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2796 */
2797 
2798 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2799 #   define USE_LDAP_INIT	1
2800 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) */
2801 
2802 /*
2803 **  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2804 **  hence ldap_set_option() must not exist.
2805 */
2806 
2807 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2808 #   define USE_LDAP_SET_OPTION	1
2809 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) */
2810 
2811 # endif /* LDAPMAP */
2812 
2813 # if HASUNAME
2814 #  include <sys/utsname.h>
2815 #  ifdef newstr
2816 #   undef newstr
2817 #  endif /* newstr */
2818 # else /* HASUNAME */
2819 #  define NODE_LENGTH 32
2820 struct utsname
2821 {
2822 	char nodename[NODE_LENGTH + 1];
2823 };
2824 # endif /* HASUNAME */
2825 
2826 # if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2827 #  define MAXHOSTNAMELEN	256
2828 # endif /* !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) */
2829 
2830 
2831 # if _FFR_LINUX_MHNL && defined(__linux__) && MAXHOSTNAMELEN < 255
2832    /*
2833    **  override Linux weirdness: a FQHN can be 255 chars long
2834    **  SUSv3 requires HOST_NAME_MAX ("Maximum length of a host
2835    **  name (not including the terminating null) as returned from the
2836    **  gethostname() function.") to be at least 255.  c.f.:
2837    **  http://www.opengroup.org/onlinepubs/009695399
2838    **  but Linux defines that to 64 too.
2839    */
2840 #  undef MAXHOSTNAMELEN
2841 #  define MAXHOSTNAMELEN	256
2842 # endif /* _FFR_LINUX_MHNL && defined(__linux__) && MAXHOSTNAMELEN < 255 */
2843 
2844 # if !defined(SIGCHLD) && defined(SIGCLD)
2845 #  define SIGCHLD	SIGCLD
2846 # endif /* !defined(SIGCHLD) && defined(SIGCLD) */
2847 
2848 # ifndef STDIN_FILENO
2849 #  define STDIN_FILENO	0
2850 # endif /* ! STDIN_FILENO */
2851 
2852 # ifndef STDOUT_FILENO
2853 #  define STDOUT_FILENO	1
2854 # endif /* ! STDOUT_FILENO */
2855 
2856 # ifndef STDERR_FILENO
2857 #  define STDERR_FILENO	2
2858 # endif /* ! STDERR_FILENO */
2859 
2860 # ifndef LOCK_SH
2861 #  define LOCK_SH	0x01	/* shared lock */
2862 #  define LOCK_EX	0x02	/* exclusive lock */
2863 #  define LOCK_NB	0x04	/* non-blocking lock */
2864 #  define LOCK_UN	0x08	/* unlock */
2865 # endif /* ! LOCK_SH */
2866 
2867 # ifndef S_IXOTH
2868 #  define S_IXOTH	(S_IEXEC >> 6)
2869 # endif /* ! S_IXOTH */
2870 
2871 # ifndef S_IXGRP
2872 #  define S_IXGRP	(S_IEXEC >> 3)
2873 # endif /* ! S_IXGRP */
2874 
2875 # ifndef S_IXUSR
2876 #  define S_IXUSR	(S_IEXEC)
2877 # endif /* ! S_IXUSR */
2878 
2879 #ifndef O_ACCMODE
2880 # define O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
2881 #endif /* ! O_ACCMODE */
2882 
2883 # ifndef SEEK_SET
2884 #  define SEEK_SET	0
2885 #  define SEEK_CUR	1
2886 #  define SEEK_END	2
2887 # endif /* ! SEEK_SET */
2888 
2889 # ifndef SIG_ERR
2890 #  define SIG_ERR	((void (*)()) -1)
2891 # endif /* ! SIG_ERR */
2892 
2893 # ifndef WEXITSTATUS
2894 #  define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2895 # endif /* ! WEXITSTATUS */
2896 # ifndef WIFEXITED
2897 #  define WIFEXITED(st)		(((st) & 0377) == 0)
2898 # endif /* ! WIFEXITED */
2899 # ifndef WIFSTOPPED
2900 #  define WIFSTOPPED(st)		(((st) & 0100) == 0)
2901 # endif /* ! WIFSTOPPED */
2902 # ifndef WCOREDUMP
2903 #  define WCOREDUMP(st)		(((st) & 0200) != 0)
2904 # endif /* ! WCOREDUMP */
2905 # ifndef WTERMSIG
2906 #  define WTERMSIG(st)		(((st) & 0177))
2907 # endif /* ! WTERMSIG */
2908 
2909 # ifndef SIGFUNC_DEFINED
2910 typedef void		(*sigfunc_t) __P((int));
2911 # endif /* ! SIGFUNC_DEFINED */
2912 # ifndef SIGFUNC_RETURN
2913 #  define SIGFUNC_RETURN
2914 # endif /* ! SIGFUNC_RETURN */
2915 # ifndef SIGFUNC_DECL
2916 #  define SIGFUNC_DECL	void
2917 # endif /* ! SIGFUNC_DECL */
2918 
2919 /* size of syslog buffer */
2920 # ifndef SYSLOG_BUFSIZE
2921 #  define SYSLOG_BUFSIZE	1024
2922 # endif /* ! SYSLOG_BUFSIZE */
2923 
2924 /* for FD_SET() */
2925 #ifndef FD_SETSIZE
2926 # define FD_SETSIZE	256
2927 #endif /* ! FD_SETSIZE */
2928 
2929 #ifndef SIGWAIT_TAKES_1_ARG
2930 # define SIGWAIT_TAKES_1_ARG	0
2931 #endif /* ! SIGWAIT_TAKES_1_ARG */
2932 
2933 /*
2934 **  Size of prescan buffer.
2935 **	Despite comments in the _sendmail_ book, this probably should
2936 **	not be changed; there are some hard-to-define dependencies.
2937 */
2938 
2939 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2940 
2941 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
2942 # ifndef FORK
2943 #  define FORK		fork		/* function to call to fork mailer */
2944 # endif /* ! FORK */
2945 
2946 /* setting h_errno */
2947 # ifndef SM_SET_H_ERRNO
2948 #  define SM_SET_H_ERRNO(err)	h_errno = (err)
2949 # endif /* SM_SET_H_ERRNO */
2950 
2951 # ifndef SM_CONF_GETOPT
2952 #  define SM_CONF_GETOPT	1
2953 # endif /* ! SM_CONF_GETOPT */
2954 
2955 /* random routine -- set above using #ifdef _osname_ or in Makefile */
2956 # if HASRANDOM
2957 #  define get_random()	random()
2958 # else /* HASRANDOM */
2959 #  define get_random()	((long) rand())
2960 #  ifndef RANDOMSHIFT
2961 #   define RANDOMSHIFT	8
2962 #  endif /* ! RANDOMSHIFT */
2963 # endif /* HASRANDOM */
2964 
2965 /*
2966 **  Default to using scanf in readcf.
2967 */
2968 
2969 # ifndef SCANF
2970 #  define SCANF		1
2971 # endif /* ! SCANF */
2972 
2973 /* XXX  32 bit type */
2974 # ifndef SM_INT32
2975 #  define SM_INT32	int32_t
2976 # endif /* ! SM_INT32 */
2977 
2978 /* XXX  16 bit type */
2979 # ifndef SM_UINT16
2980 #  define SM_UINT16	uint16_t
2981 # endif /* ! SM_UINT16 */
2982 
2983 /* additional valid chars in user/group names in passwd */
2984 # ifndef SM_PWN_CHARS
2985 #  define SM_PWN_CHARS "-_."
2986 # endif
2987 
2988 
2989 /*
2990 **  SVr4 and similar systems use different routines for setjmp/longjmp
2991 **  with signal support
2992 */
2993 
2994 # if USE_SIGLONGJMP
2995 #  ifdef jmp_buf
2996 #   undef jmp_buf
2997 #  endif /* jmp_buf */
2998 #  define jmp_buf		sigjmp_buf
2999 #  ifdef setjmp
3000 #   undef setjmp
3001 #  endif /* setjmp */
3002 #  define setjmp(env)		sigsetjmp(env, 1)
3003 #  ifdef longjmp
3004 #   undef longjmp
3005 #  endif /* longjmp */
3006 #  define longjmp(env, val)	siglongjmp(env, val)
3007 # endif /* USE_SIGLONGJMP */
3008 
3009 # if !defined(NGROUPS_MAX) && defined(NGROUPS)
3010 #  define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
3011 # endif /* !defined(NGROUPS_MAX) && defined(NGROUPS) */
3012 
3013 /*
3014 **  Some snprintf() implementations are rumored not to NUL terminate.
3015 */
3016 # if SNPRINTF_IS_BROKEN
3017 #  ifdef snprintf
3018 #   undef snprintf
3019 #  endif /* snprintf */
3020 #  define snprintf	sm_snprintf
3021 #  ifdef vsnprintf
3022 #   undef vsnprintf
3023 #  endif /* vsnprintf */
3024 #  define vsnprintf	sm_vsnprintf
3025 # endif /* SNPRINTF_IS_BROKEN */
3026 
3027 /*
3028 **  If we don't have a system syslog, simulate it.
3029 */
3030 
3031 # if !LOG
3032 #  define LOG_EMERG	0	/* system is unusable */
3033 #  define LOG_ALERT	1	/* action must be taken immediately */
3034 #  define LOG_CRIT	2	/* critical conditions */
3035 #  define LOG_ERR	3	/* error conditions */
3036 #  define LOG_WARNING	4	/* warning conditions */
3037 #  define LOG_NOTICE	5	/* normal but significant condition */
3038 #  define LOG_INFO	6	/* informational */
3039 #  define LOG_DEBUG	7	/* debug-level messages */
3040 # endif /* !LOG */
3041 
3042 # ifndef SM_CONF_SYSLOG
3043 #  define SM_CONF_SYSLOG 1	/* syslog.h has prototype for syslog() */
3044 # endif /* SM_CONF_SYSLOG */
3045 
3046 # if !SM_CONF_SYSLOG
3047 #   ifdef __STDC__
3048 extern void	syslog(int, const char *, ...);
3049 #   else /* __STDC__ */
3050 extern void	syslog();
3051 #   endif /* __STDC__ */
3052 # endif /* !SM_CONF_SYSLOG */
3053 
3054 /* portable(?) definition for alignment */
3055 # ifndef SM_ALIGN_SIZE
3056 struct sm_align
3057 {
3058 	char al_c;
3059 	union
3060 	{
3061 		long	al_l;
3062 		void	*al_p;
3063 		double	al_d;
3064 		void	(*al_f) __P((void));
3065 	} al_u;
3066 };
3067 #  define SM_ALIGN_SIZE offsetof(struct sm_align, al_u)
3068 # endif /* ! SM_ALIGN_SIZE */
3069 # define SM_ALIGN_BITS (SM_ALIGN_SIZE - 1)
3070 
3071 char *sm_inet6_ntop __P((const void *, char *, size_t));
3072 
3073 #endif /* ! SM_CONF_H */
3074