xref: /freebsd/contrib/sendmail/include/sm/conf.h (revision bfe691b2f75de2224c7ceb304ebcdef2b42d4179)
1 /*
2  * Copyright (c) 1998-2007 Sendmail, 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 1.132 2007/03/21 23:56:18 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 #   define GIDSET_T	gid_t
385 #   define USE_SA_SIGACTION	1	/* use sa_sigaction field */
386 #   define BROKEN_PTHREAD_SLEEP	1	/* sleep after pthread_create() fails */
387 #   define HASSTRERROR	1	/* has strerror(3) */
388 #   ifndef _PATH_UNIX
389 #    define _PATH_UNIX		"/dev/ksyms"
390 #   endif /* ! _PATH_UNIX */
391 #   ifndef _PATH_VENDOR_CF
392 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
393 #   endif /* ! _PATH_VENDOR_CF */
394 #   ifndef _PATH_SENDMAILPID
395 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
396 #   endif /* ! _PATH_SENDMAILPID */
397 #   ifndef _PATH_HOSTS
398 #    define _PATH_HOSTS		"/etc/inet/hosts"
399 #   endif /* ! _PATH_HOSTS */
400 #   ifndef SYSLOG_BUFSIZE
401 #    define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
402 #   endif /* ! SYSLOG_BUFSIZE */
403 #   ifndef TZ_TYPE
404 #    define TZ_TYPE	TZ_TZNAME
405 #   endif /* ! TZ_TYPE */
406 #   if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203)
407 #    define USESETEUID		1	/* seteuid works as of 2.3 */
408 #    define LDA_CONTENTLENGTH	1	/* Needs the Content-Length header */
409 #   endif /* SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203) */
410 #   if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205)
411 #    define HASSETREUID	1		/* setreuid works as of 2.5 */
412 #    define HASSETREGID	1	/* use setregid(2) to set saved gid */
413 #   if SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206)
414 #    define HASSNPRINTF 1	/* has snprintf(3c) starting in 2.6 */
415 #   endif /* SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206) */
416 #    if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700)
417 #     ifndef LA_TYPE
418 #      define LA_TYPE	LA_KSTAT	/* use kstat(3k) -- may work in < 2.5 */
419 #     endif /* ! LA_TYPE */
420 #     ifndef RANDOMSHIFT		/* random() doesn't work well (sometimes) */
421 #      define RANDOMSHIFT	8
422 #     endif /* ! RANDOMSHIFT */
423 #    endif /* SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) */
424 #   else /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
425 #    ifndef HASRANDOM
426 #     define HASRANDOM	0		/* doesn't have random(3) */
427 #    endif /* ! HASRANDOM */
428 #   endif /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
429 #   if (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206
430 #    define SM_INT32	int	/* 32bit integer */
431 #   endif /* (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206 */
432 #   if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207)
433 #    ifndef LA_TYPE
434 #     include <sys/loadavg.h>
435 #     if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
436 #      include <sys/pset.h>
437 #      define LA_TYPE	LA_PSET	/* pset_getloadavg(3c) appears in 2.9 */
438 #     else /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
439 #      define LA_TYPE	LA_SUBR	/* getloadavg(3c) appears in 2.7 */
440 #     endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
441 #    endif /* ! LA_TYPE */
442 #    define HASGETUSERSHELL 1	/* getusershell(3c) bug fixed in 2.7 */
443 #   endif /* SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) */
444 #   if SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208)
445 #    undef _PATH_SENDMAILPID	/* tmpfs /var/run added in 2.8 */
446 #    define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
447 #    ifndef SMRSH_CMDDIR
448 #     define SMRSH_CMDDIR	"/var/adm/sm.bin"
449 #    endif /* ! SMRSH_CMDDIR */
450 #    define SL_FUDGE	34	/* fudge offset for SyslogPrefixLen */
451 #    define HASLDAPGETALIASBYNAME	1	/* added in S8 */
452 #   endif /* SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) */
453 #   if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
454 #    define HASURANDOMDEV	1	/* /dev/[u]random added in S9 */
455 #    define HASCLOSEFROM	1	/* closefrom(3c) added in S9 */
456 #    define HASFDWALK		1	/* fdwalk(3c) added in S9 */
457 #   endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
458 #   if SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210)
459 #    define HASUNSETENV 1       /* unsetenv() added in S10 */
460 #   endif /* SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210) */
461 #   ifndef HASGETUSERSHELL
462 #    define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps pre-2.7 */
463 #   endif /* ! HASGETUSERSHELL */
464 
465 #  else /* SOLARIS */
466 			/* SunOS 4.0.3 or 4.1.x */
467 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
468 #   define HASSETREUID	1	/* has setreuid(2) call */
469 #   ifndef HASFLOCK
470 #    define HASFLOCK	1	/* has flock(2) call */
471 #   endif /* ! HASFLOCK */
472 #   define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
473 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
474 #   include <memory.h>
475 #   include <vfork.h>
476 #   ifdef __GNUC__
477 #    define strtoul	strtol	/* gcc library bogosity */
478 #   endif /* __GNUC__ */
479 #   define memmove(d, s, l)	(bcopy((s), (d), (l)))
480 #   define atexit(f)	on_exit((f), 0)	/* ugly hack for SunOS */
481 #   define SM_INT32	int	/* 32bit integer */
482 #   define SM_ALIGN_SIZE (sizeof(long))
483 #   define GIDSET_T	int
484 #   define SM_CONF_SYSLOG	0
485 
486 #   ifdef SUNOS403
487 			/* special tweaking for SunOS 4.0.3 */
488 #    include <malloc.h>
489 #    define BSD4_3	1	/* 4.3 BSD-based */
490 #    define NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
491 #    define WAITUNION	1	/* use "union wait" as wait argument type */
492 #    undef WIFEXITED
493 #    undef WEXITSTATUS
494 #    undef HASUNAME
495 #    define setpgid	setpgrp
496 #    define MODE_T	int
497 typedef int		pid_t;
498 extern char		*getenv();
499 
500 #   else /* SUNOS403 */
501 			/* 4.1.x specifics */
502 #    define HASSETSID	1	/* has POSIX setsid(2) call */
503 #    define HASSETVBUF	1	/* we have setvbuf(3) in libc */
504 
505 #   endif /* SUNOS403 */
506 #  endif /* SOLARIS */
507 
508 #  ifndef LA_TYPE
509 #   define LA_TYPE	LA_INT
510 #  endif /* ! LA_TYPE */
511 
512 # endif /* defined(sun) && !defined(BSD) */
513 
514 /*
515 **  DG/UX
516 **
517 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
518 **	older support.
519 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
520 */
521 
522 # ifdef DGUX_5_4_2
523 #  define DGUX		1
524 # endif /* DGUX_5_4_2 */
525 
526 # ifdef DGUX
527 #  define SYSTEM5	1
528 #  define LA_TYPE	LA_DGUX
529 #  define HASSETREUID	1	/* has setreuid(2) call */
530 #  define HASUNAME	1	/* use System V uname(2) system call */
531 #  define HASSETSID	1	/* has POSIX setsid(2) call */
532 #  define HASINITGROUPS	1	/* has initgroups(3) call */
533 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
534 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) */
535 #  ifndef IDENTPROTO
536 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
537 #  endif /* ! IDENTPROTO */
538 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
539 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
540 #  define LDA_USE_LOCKF		1
541 
542 /* these include files must be included early on DG/UX */
543 #  include <netinet/in.h>
544 #  include <arpa/inet.h>
545 
546 /* compiler doesn't understand const? */
547 #  define const
548 
549 #  ifdef DGUX_5_4_2
550 #   define inet_addr	dgux_inet_addr
551 extern long	dgux_inet_addr();
552 #  endif /* DGUX_5_4_2 */
553 # endif /* DGUX */
554 
555 
556 /*
557 **  Digital Ultrix 4.2 - 4.5
558 **
559 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
560 **	not dropped when the process exits.  This causes major problems,
561 **	so flock is the only alternative.
562 */
563 
564 # ifdef ultrix
565 #  define HASSETREUID	1	/* has setreuid(2) call */
566 #  define HASUNSETENV	1	/* has unsetenv(3) call */
567 #  define HASINITGROUPS	1	/* has initgroups(3) call */
568 #  define HASUNAME	1	/* use System V uname(2) system call */
569 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
570 #  define HASFCHOWN	1	/* has fchown(2) syscall */
571 #  ifndef HASFLOCK
572 #   define HASFLOCK	1	/* has flock(2) call */
573 #  endif /* ! HASFLOCK */
574 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
575 #  ifndef BROKEN_RES_SEARCH
576 #   define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
577 #  endif /* ! BROKEN_RES_SEARCH */
578 #  if !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621
579 #   define NEEDLOCAL_HOSTNAME_LENGTH	1	/* see sendmail/README */
580 #  endif /* !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621 */
581 #  ifdef vax
582 #   define LA_TYPE	LA_FLOAT
583 #  else /* vax */
584 #   define LA_TYPE	LA_INT
585 #   define LA_AVENRUN	"avenrun"
586 #  endif /* vax */
587 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
588 #  ifndef IDENTPROTO
589 #   define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
590 #  endif /* ! IDENTPROTO */
591 #  define SYSLOG_BUFSIZE	256
592 #  define SM_CONF_SYSLOG	0
593 # endif /* ultrix */
594 
595 
596 /*
597 **  OSF/1 for KSR.
598 **
599 **	Contributed by Todd C. Miller <Todd.Miller@cs.colorado.edu>
600 */
601 
602 # ifdef __ksr__
603 #  define __osf__	1	/* get OSF/1 defines below */
604 #  ifndef TZ_TYPE
605 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
606 #  endif /* ! TZ_TYPE */
607 # endif /* __ksr__ */
608 
609 
610 /*
611 **  OSF/1 for Intel Paragon.
612 **
613 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
614 **	of Intel Scalable Systems Divison.
615 */
616 
617 # ifdef __PARAGON__
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 #  define GIDSET_T	gid_t
623 #  define MAXNAMLEN	NAME_MAX
624 # endif /* __PARAGON__ */
625 
626 
627 /*
628 **  Tru64 UNIX, formerly known as Digital UNIX, formerly known as DEC OSF/1
629 **
630 **	Tested for 3.2 and 4.0.
631 */
632 
633 # ifdef __osf__
634 #  define HASUNAME	1	/* has uname(2) call */
635 #  define HASUNSETENV	1	/* has unsetenv(3) call */
636 #  define USESETEUID	1	/* has usable seteuid(2) call */
637 #  define HASINITGROUPS	1	/* has initgroups(3) call */
638 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
639 #  define HASFCHOWN	1	/* has fchown(2) syscall */
640 #  define HASSETLOGIN	1	/* has setlogin(2) */
641 #  define IP_SRCROUTE	1	/* can check IP source routing */
642 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
643 #  define GIDSET_T	gid_t
644 #  define SM_INT32	int	/* 32bit integer */
645 #  ifndef HASFLOCK
646 #   include <standards.h>
647 #   if _XOPEN_SOURCE+0 >= 400
648 #    define HASFLOCK	0	/* 5.0 and later has bad flock(2) call */
649 #   else /* _XOPEN_SOURCE+0 >= 400 */
650 #    define HASFLOCK	1	/* has flock(2) call */
651 #   endif /* _XOPEN_SOURCE+0 >= 400 */
652 #  endif /* ! HASFLOCK */
653 #  define LA_TYPE	LA_ALPHAOSF
654 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statfs() impl */
655 #  ifndef _PATH_VENDOR_CF
656 #   define _PATH_VENDOR_CF	"/var/adm/sendmail/sendmail.cf"
657 #  endif /* ! _PATH_VENDOR_CF */
658 #  ifndef _PATH_SENDMAILPID
659 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
660 #  endif /* ! _PATH_SENDMAILPID */
661 #  if _FFR_DIGUNIX_SAFECHOWN
662 /*
663 **  Testing on a Digital UNIX 4.0a system showed this to be the correct
664 **  setting but given the security consequences, more testing and
665 **  verification is needed.  Unfortunately, the man page offers no
666 **  assistance.
667 */
668 #   define IS_SAFE_CHOWN >= 0
669 #  endif /* _FFR_DIGUNIX_SAFECHOWN */
670 # endif /* __osf__ */
671 
672 
673 /*
674 **  NeXTstep
675 */
676 
677 # ifdef NeXT
678 #  define HASINITGROUPS	1	/* has initgroups(3) call */
679 #  define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
680 #  ifndef HASFLOCK
681 #   define HASFLOCK	1	/* has flock(2) call */
682 #  endif /* ! HASFLOCK */
683 #  define UID_T		int	/* compiler gripes on uid_t */
684 #  define GID_T		int	/* ditto for gid_t */
685 #  define MODE_T	int	/* and mode_t */
686 #  define setpgid	setpgrp
687 #  ifndef NOT_SENDMAIL
688 #   define sleep		sleepX
689 #  endif /* ! NOT_SENDMAIL */
690 #  ifndef LA_TYPE
691 #   define LA_TYPE	LA_MACH
692 #  endif /* ! LA_TYPE */
693 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
694 #  ifdef _POSIX_SOURCE
695 extern struct passwd	*getpwent();
696 #  else /* _POSIX_SOURCE */
697 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
698 #   define WAITUNION	1	/* use "union wait" as wait argument type */
699 typedef int		pid_t;
700 #   undef WEXITSTATUS
701 #   undef WIFEXITED
702 #   undef WIFSTOPPED
703 #   undef WTERMSIG
704 #  endif /* _POSIX_SOURCE */
705 #  ifndef _PATH_VENDOR_CF
706 #   define _PATH_VENDOR_CF	"/etc/sendmail/sendmail.cf"
707 #  endif /* ! _PATH_VENDOR_CF */
708 #  ifndef _PATH_SENDMAILPID
709 #   define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
710 #  endif /* ! _PATH_SENDMAILPID */
711 #  define SM_INT32	int	/* 32bit integer */
712 
713 #  ifdef TCPWRAPPERS
714 #   ifndef HASUNSETENV
715 #    define HASUNSETENV	1
716 #   endif /* ! HASUNSETENV */
717 #   undef NEEDPUTENV
718 #  endif /* TCPWRAPPERS */
719 #  ifndef __APPLE__
720 #   include <libc.h>
721 #   ifndef S_IRUSR
722 #    define S_IRUSR	S_IREAD
723 #   endif /* ! S_IRUSR */
724 #   ifndef S_IWUSR
725 #    define S_IWUSR	S_IWRITE
726 #   endif /* ! S_IWUSR */
727 #   define _PATH_MAILDIR	"/usr/spool/mail"
728 #  endif /* ! __APPLE__ */
729 #  ifndef isascii
730 #   define isascii(c)	((unsigned)(c) <= 0177)
731 #  endif /* ! isascii */
732 # endif /* NeXT */
733 
734 /*
735 **  Apple Darwin
736 **      Contributed by Wilfredo Sanchez <wsanchez@mit.edu>
737 */
738 
739 # if defined(DARWIN)
740 #  define HASFCHMOD		1	/* has fchmod(2) */
741 #  define HASFCHOWN		1	/* has fchown(2) */
742 #  define HASFLOCK		1	/* has flock(2) */
743 #  define HASUNAME		1	/* has uname(2) */
744 #  define HASUNSETENV		1	/* has unsetenv(3) */
745 #  define HASSETSID		1	/* has POSIX setsid(2) call */
746 #  define HASINITGROUPS		1	/* has initgroups(3) */
747 #  define HASSETVBUF		1	/* has setvbuf (3) */
748 #  define HASSETREUID		0	/* setreuid(2) unusable */
749 #  define HASSETEUID		1	/* has seteuid(2) */
750 #  define USESETEUID		1	/* has seteuid(2) */
751 #  define HASSETEGID		1	/* has setegid(2) */
752 #  define HASSETREGID		1	/* has setregid(2) */
753 #  define HASSETRESGID		0	/* no setresgid(2) */
754 #  define HASLSTAT		1	/* has lstat(2) */
755 #  define HASSETRLIMIT		1	/* has setrlimit(2) */
756 #  define HASWAITPID		1	/* has waitpid(2) */
757 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
758 #  define HAS_ST_GEN		1	/* has st_gen field in struct stat */
759 #  define HASURANDOMDEV		1	/* has urandom(4) */
760 #  define HASSTRERROR		1	/* has strerror(3) */
761 #  define HASGETUSERSHELL	1	/* had getusershell(3) */
762 #  define GIDSET_T		gid_t	/* getgroups(2) takes gid_t */
763 #  define LA_TYPE		LA_SUBR	/* use getloadavg(3) */
764 #  define SFS_TYPE		SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
765 #  if DARWIN >= 70000
766 #   define SOCKADDR_LEN_T	socklen_t
767 #  endif
768 #  if DARWIN >= 80000
769 #   define SPT_TYPE		SPT_REUSEARGV
770 #   define SPT_PADCHAR		'\0'
771 #   define SOCKOPT_LEN_T	socklen_t
772 #  else
773 #   define SPT_TYPE		SPT_PSSTRINGS	/* use magic PS_STRINGS pointer for setproctitle */
774 #  endif
775 #  define ERRLIST_PREDEFINED		/* don't declare sys_errlist */
776 #  define BSD4_4_SOCKADDR		/* struct sockaddr has sa_len */
777 #  define SAFENFSPATHCONF	0	/* unverified: pathconf(2) doesn't work on NFS */
778 #  define HAS_IN_H		1
779 #  define NETLINK		1	/* supports AF_LINK */
780 #  ifndef NOT_SENDMAIL
781 #   define sleep sleepX
782 extern unsigned int sleepX __P((unsigned int seconds));
783 #  endif /* ! NOT_SENDMAIL */
784 # endif /* defined(DARWIN) */
785 
786 
787 /*
788 **  4.4 BSD
789 **
790 **	See also BSD defines.
791 */
792 
793 # if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) && !defined(DARWIN)
794 #  include <paths.h>
795 #  define HASUNSETENV	1	/* has unsetenv(3) call */
796 #  define USESETEUID	1	/* has usable seteuid(2) call */
797 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
798 #  define HASFCHOWN	1	/* has fchown(2) syscall */
799 #  define HASSTRERROR	1	/* has strerror(3) */
800 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
801 #  include <sys/cdefs.h>
802 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
803 #  define BSD4_4_SOCKADDR	/* has sa_len */
804 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
805 #  define NETLINK	1	/* supports AF_LINK */
806 #  ifndef LA_TYPE
807 #   define LA_TYPE	LA_SUBR
808 #  endif /* ! LA_TYPE */
809 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
810 #  define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
811 # endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) && !defined(DARWIN)*/
812 
813 
814 /*
815 **  BSD/OS (was BSD/386) (all versions)
816 **	From Tony Sanders, BSDI
817 */
818 
819 # ifdef __bsdi__
820 #  include <paths.h>
821 #  define HASUNSETENV	1	/* has the unsetenv(3) call */
822 #  define HASSETREUID	0	/* BSD-OS has broken setreuid(2) emulation */
823 #  define HASSETSID	1	/* has POSIX setsid(2) call */
824 #  define USESETEUID	1	/* has usable seteuid(2) call */
825 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
826 #  define HASSETLOGIN	1	/* has setlogin(2) */
827 #  define HASUNAME	1	/* has uname(2) syscall */
828 #  define HASSTRERROR	1	/* has strerror(3) */
829 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
830 #  include <sys/cdefs.h>
831 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
832 #  define BSD4_4_SOCKADDR	/* has sa_len */
833 #  define NETLINK	1	/* supports AF_LINK */
834 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
835 #  ifndef LA_TYPE
836 #   define LA_TYPE	LA_SUBR
837 #  endif /* ! LA_TYPE */
838 #  define GIDSET_T	gid_t
839 #  define QUAD_T		quad_t
840 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
841 			/* version 1.1 or later */
842 #   undef SPT_TYPE
843 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
844 #  else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
845 			/* version 1.0 or earlier */
846 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
847 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
848 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701	/* on 3.x */
849 #   define HASSETUSERCONTEXT 1	/* has setusercontext */
850 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 */
851 #  if defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701	/* 3.1 and earlier */
852 #   define MODE_T	int	/* va_arg() can't handle less than int */
853 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701 */
854 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910	/* on 4.x */
855 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
856 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910 */
857 # endif /* __bsdi__ */
858 
859 
860 # if defined(__QNX__)
861 #  if defined(__QNXNTO__)
862 /* QNX 6 */
863 #   include <unix.h>
864 #   define HASUNSETENV	1	/* has unsetenv(3) call */
865 #   define HASINITGROUPS	1	/* has initgroups(3) call */
866 #   define HASSETSID	1	/* has POSIX setsid(2) call */
867 #   define USESETEUID	1	/* has usable seteuid(2) call */
868 #   define HASFCHMOD	1	/* has fchmod(2) syscall */
869 #   define HASFCHOWN	1	/* has fchown(2) syscall */
870 #   define HASUNAME	1	/* has uname(2) syscall */
871 #   define HASSTRERROR	1	/* has strerror(3) */
872 #   define BSD4_4_SOCKADDR	/* has sa_len */
873 #   define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
874 #   define NETLINK	1	/* supports AF_LINK */
875 #   define GIDSET_T	gid_t
876 #   define QUAD_T	uint64_t
877 #   define HASSNPRINTF	1	/* has snprintf(3) (all versions?) */
878 #   define HASGETUSERSHELL 0
879 
880 /*
881 **  We have a strrev() that doesn't allocate anything.
882 **  Make sure the one here is used.
883 */
884 
885 #   define strrev strrev_sendmail
886 
887 #  else /* defined(__QNXNTO__) */
888 
889 /*
890 **  QNX 4.2x
891 **	Contributed by Glen McCready <glen@qnx.com>.
892 **
893 **	Should work with all versions of QNX 4.
894 */
895 
896 #   include <unix.h>
897 #   include <sys/select.h>
898 #   undef NGROUPS_MAX
899 #   define HASSETSID	1	/* has POSIX setsid(2) call */
900 #   define USESETEUID	1	/* has usable seteuid(2) call */
901 #   define HASFCHMOD	1	/* has fchmod(2) syscall */
902 #   define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
903 #   define HASSETREUID	1	/* has setreuid(2) call */
904 #   define HASSTRERROR	1	/* has strerror(3) */
905 #   define HASFLOCK	0
906 #   undef HASINITGROUPS		/* has initgroups(3) call */
907 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
908 #   define IP_SRCROUTE	1	/* can check IP source routing */
909 #   define TZ_TYPE	TZ_TMNAME	/* use tmname variable */
910 #   define GIDSET_T	gid_t
911 #   define LA_TYPE	LA_ZERO
912 #   define SFS_TYPE	SFS_NONE
913 #   define SPT_TYPE	SPT_REUSEARGV
914 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
915 #   define HASGETUSERSHELL 0
916 #   define _FILE_H_INCLUDED
917 #  endif /* defined(__QNXNTO__) */
918 # endif /* defined(__QNX__) */
919 
920 
921 /*
922 **  DragonFly BSD/ FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
923 **
924 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
925 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
926 **
927 **	See also BSD defines.
928 */
929 
930 # if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
931 #  include <paths.h>
932 #  define HASUNSETENV	1	/* has unsetenv(3) call */
933 #  define HASSETSID	1	/* has POSIX setsid(2) call */
934 #  define USESETEUID	1	/* has usable seteuid(2) call */
935 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
936 #  define HASFCHOWN	1	/* has fchown(2) syscall */
937 #  define HASUNAME	1	/* has uname(2) syscall */
938 #  define HASSTRERROR	1	/* has strerror(3) */
939 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
940 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
941 #  include <sys/cdefs.h>
942 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
943 #  define BSD4_4_SOCKADDR	/* has sa_len */
944 #  define NETLINK	1	/* supports AF_LINK */
945 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
946 #  define GIDSET_T	gid_t
947 #  define QUAD_T	unsigned long long
948 #  define HASSNPRINTF	1	/* has snprintf(3) (all versions?) */
949 #  ifndef LA_TYPE
950 #   define LA_TYPE	LA_SUBR
951 #  endif /* ! LA_TYPE */
952 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && \
953     ((__NetBSD_Version__ >= 200040000 && __NetBSD_Version__ < 200090000) || \
954     (__NetBSD_Version__ >= 299000900))
955 #   undef SFS_TYPE
956 #   define SFS_TYPE	SFS_STATVFS
957 #  else
958 #   define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
959 #  endif
960 #  if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
961 #   undef SPT_TYPE
962 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
963 #  endif /* defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1) */
964 #  if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3))
965 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
966 #  endif /* defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3)) */
967 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 104170000
968 #   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
969 #  endif
970 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && \
971     ((__NetBSD_Version__ >= 200060000 && __NetBSD_Version__ < 200090000) || \
972     (__NetBSD_Version__ >= 299000900))
973 #   define HASCLOSEFROM	1	/* closefrom(3) added in 2.0F */
974 #  endif
975 #  if defined(__NetBSD__)
976 #   define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
977 #   include <sys/param.h>
978 #   include <sys/sysctl.h>
979 #  endif
980 #  if defined(__DragonFly__)
981 #   define HASSETLOGIN		1	/* has setlogin(2) */
982 #   define HASSRANDOMDEV	1	/* has srandomdev(3) */
983 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
984 #   undef SPT_TYPE
985 #   include <libutil.h>
986 #   define SPT_TYPE		SPT_BUILTIN
987 #   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
988 #   ifndef SMRSH_CMDDIR
989 #    define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
990 #   endif /* ! SMRSH_CMDDIR */
991 #   ifndef SMRSH_PATH
992 #    define SMRSH_PATH		"/bin:/usr/bin"
993 #   endif /* ! SMRSH_PATH */
994 #  define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
995 #  include <sys/sysctl.h>
996 #  endif /* defined(__DragonFly__) */
997 #  if defined(__FreeBSD__)
998 #   define HASSETLOGIN	1	/* has setlogin(2) */
999 #   if __FreeBSD_version >= 227001
1000 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1001 #    define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1002 #   endif /* __FreeBSD_version >= 227001 */
1003 #   undef SPT_TYPE
1004 #   if __FreeBSD__ >= 2
1005 #    include <osreldate.h>
1006 #    if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
1007 #     include <libutil.h>
1008 #     define SPT_TYPE	SPT_BUILTIN
1009 #    endif /* __FreeBSD_version >= 199512 */
1010 #    if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
1011 #     define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1012 #    endif /* __FreeBSD_version >= 222000 */
1013 #    if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
1014 #     ifndef SMRSH_CMDDIR
1015 #      define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
1016 #     endif /* ! SMRSH_CMDDIR */
1017 #     ifndef SMRSH_PATH
1018 #      define SMRSH_PATH	"/bin:/usr/bin"
1019 #     endif /* ! SMRSH_PATH */
1020 #    endif /* __FreeBSD_version >= 330000 */
1021 #    define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
1022 #    include <sys/sysctl.h>
1023 #   endif /* __FreeBSD__ >= 2 */
1024 #   ifndef SPT_TYPE
1025 #    define SPT_TYPE	SPT_REUSEARGV
1026 #    define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1027 #   endif /* ! SPT_TYPE */
1028 #  endif /* defined(__FreeBSD__) */
1029 #  if defined(__OpenBSD__)
1030 #   undef SPT_TYPE
1031 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
1032 #   define HASSETLOGIN	1	/* has setlogin(2) */
1033 #   if OpenBSD < 200305
1034 #    define HASSETREUID	0	/* setreuid(2) broken in OpenBSD < 3.3 */
1035 #   endif /* OpenBSD < 200305 */
1036 #   define HASSETEGID	1	/* use setegid(2) to set saved gid */
1037 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1038 #   if OpenBSD >= 200006
1039 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1040 #   endif /* OpenBSD >= 200006 */
1041 #   if OpenBSD >= 200012
1042 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1043 #   endif /* OpenBSD >= 200012 */
1044 #   if OpenBSD >= 200405
1045 #    define HASCLOSEFROM	1	/* closefrom(3) added in 3.5 */
1046 #   endif /* OpenBSD >= 200405 */
1047 #   if OpenBSD >= 200505
1048 #    undef NETISO	/* iso.h removed in 3.7 */
1049 #   endif /* OpenBSD >= 200505 */
1050 #  endif /* defined(__OpenBSD__) */
1051 # endif /* defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
1052 
1053 
1054 /*
1055 **  Mach386
1056 **
1057 **	For mt Xinu's Mach386 system.
1058 */
1059 
1060 # if defined(MACH) && defined(i386) && !defined(__GNU__)
1061 #  define MACH386	1
1062 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1063 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1064 #  ifndef HASFLOCK
1065 #   define HASFLOCK	1	/* has flock(2) call */
1066 #  endif /* ! HASFLOCK */
1067 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1068 #  define NEEDSTRTOL	1	/* need the strtol() function */
1069 #  define setpgid	setpgrp
1070 #  ifndef LA_TYPE
1071 #   define LA_TYPE	LA_FLOAT
1072 #  endif /* ! LA_TYPE */
1073 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1074 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1075 #  undef WEXITSTATUS
1076 #  undef WIFEXITED
1077 #  ifndef _PATH_VENDOR_CF
1078 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1079 #  endif /* ! _PATH_VENDOR_CF */
1080 #  ifndef _PATH_SENDMAILPID
1081 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1082 #  endif /* ! _PATH_SENDMAILPID */
1083 # endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
1084 
1085 
1086 
1087 /*
1088 **  GNU OS (hurd)
1089 **	Largely BSD & posix compatible.
1090 **	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
1091 **	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
1092 */
1093 
1094 # if defined(__GNU__) && !defined(NeXT)
1095 #  include <paths.h>
1096 #  define HASFCHMOD	1	/* has fchmod(2) call */
1097 #  define HASFCHOWN	1	/* has fchown(2) call */
1098 #  define HASUNAME	1	/* has uname(2) call */
1099 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1100 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
1101 #  define HASSTRERROR	1	/* has strerror(3) */
1102 #  define GIDSET_T	gid_t
1103 #  define SOCKADDR_LEN_T	socklen_t
1104 #  define SOCKOPT_LEN_T	socklen_t
1105 #  if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
1106 #   define LA_TYPE	LA_SUBR
1107 #  else /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1108 #   define LA_TYPE	LA_MACH
1109    /* GNU uses mach[34], which renames some rpcs from mach2.x. */
1110 #   define host_self	mach_host_self
1111 #  endif /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1112 #  define SFS_TYPE	SFS_STATFS
1113 #  define SPT_TYPE	SPT_CHANGEARGV
1114 #  define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
1115 #  define BSD4_4_SOCKADDR	1	/* has sa_len */
1116 #  define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
1117 #  define HAS_IN_H	1	/* GNU has netinet/in.h. */
1118 /* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
1119 #  define MAXPATHLEN	2048
1120 # endif /* defined(__GNU__) && !defined(NeXT) */
1121 
1122 /*
1123 **  4.3 BSD -- this is for very old systems
1124 **
1125 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
1126 **
1127 **	You'll also have to install a new resolver library.
1128 **	I don't guarantee that support for this environment is complete.
1129 */
1130 
1131 # if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1132 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1133 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1134 #  define ARBPTR_T	char *
1135 #  define setpgid	setpgrp
1136 #  ifndef LA_TYPE
1137 #   define LA_TYPE	LA_FLOAT
1138 #  endif /* ! LA_TYPE */
1139 #  ifndef _PATH_VENDOR_CF
1140 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1141 #  endif /* ! _PATH_VENDOR_CF */
1142 #  ifndef IDENTPROTO
1143 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1144 #  endif /* ! IDENTPROTO */
1145 #  undef WEXITSTATUS
1146 #  undef WIFEXITED
1147 typedef short		pid_t;
1148 # endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1149 
1150 
1151 /*
1152 **  SCO Unix
1153 **
1154 **	This includes three parts:
1155 **
1156 **	The first is for SCO OpenServer 5.
1157 **	(Contributed by Keith Reynolds <keithr@sco.COM>).
1158 **
1159 **		SCO OpenServer 5 has a compiler version number macro,
1160 **		which we can use to figure out what version we're on.
1161 **		This may have to change in future releases.
1162 **
1163 **	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1164 **	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1165 **
1166 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1167 */
1168 
1169 /* SCO OpenServer 5 */
1170 # if _SCO_DS >= 1
1171 #  include <paths.h>
1172 #  define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1173 #  define HASFCHMOD	1	/* has fchmod(2) call */
1174 #  define HASFCHOWN	1	/* has fchown(2) call */
1175 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1176 #  define USESETEUID	1	/* has seteuid(2) call */
1177 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1178 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1179 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1180 #  define LDA_USE_LOCKF	1
1181 #  ifndef LA_TYPE
1182 #   define LA_TYPE	LA_DEVSHORT
1183 #  endif /* ! LA_TYPE */
1184 #  define _PATH_AVENRUN	"/dev/table/avenrun"
1185 #  ifndef _SCO_unix_4_2
1186 #   define _SCO_unix_4_2
1187 #  else /* ! _SCO_unix_4_2 */
1188 #   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1189 #   define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
1190 #  endif /* ! _SCO_unix_4_2 */
1191 # endif /* _SCO_DS >= 1 */
1192 
1193 /* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1194 # ifdef _SCO_unix_4_2
1195 #  define _SCO_unix_
1196 #  define HASSETREUID	1	/* has setreuid(2) call */
1197 # endif /* _SCO_unix_4_2 */
1198 
1199 /* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1200 # ifdef _SCO_unix_
1201 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1202 #  define SYSTEM5	1	/* include all the System V defines */
1203 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1204 #  define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1205 #  ifndef USE_SIGLONGJMP
1206 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1207 #  endif /* ! USE_SIGLONGJMP */
1208 #  define MAXPATHLEN	PATHSIZE
1209 #  define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1210 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1211 #  define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1212 #  define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1213 #  define UID_T		uid_t
1214 #  define GID_T		gid_t
1215 #  define GIDSET_T	gid_t
1216 #  define _PATH_UNIX		"/unix"
1217 #  ifndef _PATH_VENDOR_CF
1218 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1219 #  endif /* ! _PATH_VENDOR_CF */
1220 #  ifndef _PATH_SENDMAILPID
1221 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1222 #  endif /* ! _PATH_SENDMAILPID */
1223 
1224 /* stuff fixed in later releases */
1225 #  ifndef _SCO_unix_4_2
1226 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1227 #  endif /* ! _SCO_unix_4_2 */
1228 
1229 #  ifndef _SCO_DS
1230 #   define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1231 #   define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1232 #   define NETUNIX	0	/* no unix domain socket support */
1233 #   define LA_TYPE	LA_SHORT
1234 #  endif /* ! _SCO_DS */
1235 
1236 # endif /* _SCO_unix_ */
1237 
1238 /*
1239 **  ISC (SunSoft) Unix.
1240 **
1241 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1242 */
1243 
1244 # ifdef ISC_UNIX
1245 #  include <net/errno.h>
1246 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1247 #  include <sys/bsdtypes.h>
1248 #  define SYSTEM5	1	/* include all the System V defines */
1249 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1250 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1251 #  define HASSETREUID	1	/* has setreuid(2) call */
1252 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1253 #  define NETUNIX	0	/* no unix domain socket support */
1254 #  define MAXPATHLEN	1024
1255 #  define LA_TYPE	LA_SHORT
1256 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1257 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1258 #  define _PATH_UNIX		"/unix"
1259 #  ifndef _PATH_VENDOR_CF
1260 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1261 #  endif /* ! _PATH_VENDOR_CF */
1262 #  ifndef _PATH_SENDMAILPID
1263 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1264 #  endif /* ! _PATH_SENDMAILPID */
1265 # endif /* ISC_UNIX */
1266 
1267 
1268 /*
1269 **  Altos System V (5.3.1)
1270 **	Contributed by Tim Rice <tim@trr.metro.net>.
1271 */
1272 
1273 # ifdef ALTOS_SYSTEM_V
1274 #  include <sys/stream.h>
1275 #  include <limits.h>
1276 #  define SYSTEM5	1	/* include all the System V defines */
1277 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1278 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1279 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1280 #  define NEEDFSYNC	1	/* no fsync(2) in system library */
1281 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1282 #  define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1283 #  define MAXPATHLEN	PATH_MAX
1284 #  define LA_TYPE	LA_SHORT
1285 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1286 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1287 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1288 #  define NETUNIX	0	/* no unix domain socket support */
1289 #  undef WIFEXITED
1290 #  undef WEXITSTATUS
1291 #  define strtoul	strtol	/* gcc library bogosity */
1292 
1293 typedef unsigned short	uid_t;
1294 typedef unsigned short	gid_t;
1295 typedef short		pid_t;
1296 typedef unsigned long	mode_t;
1297 
1298 /* some stuff that should have been in the include files */
1299 extern char		*malloc();
1300 extern struct passwd	*getpwent();
1301 extern struct passwd	*getpwnam();
1302 extern struct passwd	*getpwuid();
1303 extern char		*getenv();
1304 extern struct group	*getgrgid();
1305 extern struct group	*getgrnam();
1306 
1307 # endif /* ALTOS_SYSTEM_V */
1308 
1309 
1310 /*
1311 **  ConvexOS 11.0 and later
1312 **
1313 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1314 **	works on 9.1 as well.
1315 **
1316 **  ConvexOS 11.5 and later, should work on 11.0 as defined.
1317 **  For pre-ConvexOOS 11.0, define SM_CONF_GETOPT=0, undef IDENTPROTO
1318 **
1319 **	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1320 **		(now the CONVEX Technologies Center of Hewlett Packard)
1321 */
1322 
1323 # ifdef _CONVEX_SOURCE
1324 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1325 #  define HASINITGROUPS	1	/* has initgroups(3) */
1326 #  define HASUNAME	1	/* use System V uname(2) system call */
1327 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1328 #  define HASUNSETENV	1	/* has unsetenv(3) */
1329 #  define HASFLOCK	1	/* has flock(2) */
1330 #  define HASSETRLIMIT	1	/* has setrlimit(2) */
1331 #  define HASSETREUID	1	/* has setreuid(2) */
1332 #  define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1333 #  define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1334 #  define SM_CONF_GETOPT	1	/* need a replacement for getopt(3) */
1335 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1336 #  define LA_TYPE	LA_FLOAT
1337 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1338 #  ifndef _PATH_VENDOR_CF
1339 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1340 #  endif /* ! _PATH_VENDOR_CF */
1341 #  ifndef S_IREAD
1342 #   define S_IREAD	_S_IREAD
1343 #   define S_IWRITE	_S_IWRITE
1344 #   define S_IEXEC	_S_IEXEC
1345 #   define S_IFMT	_S_IFMT
1346 #   define S_IFCHR	_S_IFCHR
1347 #   define S_IFBLK	_S_IFBLK
1348 #  endif /* ! S_IREAD */
1349 #  ifndef TZ_TYPE
1350 #   define TZ_TYPE	TZ_TIMEZONE
1351 #  endif /* ! TZ_TYPE */
1352 #  ifndef IDENTPROTO
1353 #   define IDENTPROTO	1
1354 #  endif /* ! IDENTPROTO */
1355 #  ifndef SHARE_V1
1356 #   define SHARE_V1	1	/* version 1 of the fair share scheduler */
1357 #  endif /* ! SHARE_V1 */
1358 #  if !defined(__GNUC__ )
1359 #   define UID_T	int		/* GNUC gets it right, ConvexC botches */
1360 #   define GID_T	int		/* GNUC gets it right, ConvexC botches */
1361 #  endif /* !defined(__GNUC__ ) */
1362 #  if SECUREWARE
1363 #   define FORK	fork		/* SecureWare wants the real fork! */
1364 #  else /* SECUREWARE */
1365 #   define FORK	vfork		/* the rest of the OS versions don't care */
1366 #  endif /* SECUREWARE */
1367 # endif /* _CONVEX_SOURCE */
1368 
1369 
1370 /*
1371 **  RISC/os 4.52
1372 **
1373 **	Gives a ton of warning messages, but otherwise compiles.
1374 */
1375 
1376 # ifdef RISCOS
1377 
1378 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1379 #  ifndef HASFLOCK
1380 #   define HASFLOCK	1	/* has flock(2) call */
1381 #  endif /* ! HASFLOCK */
1382 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1383 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1384 #  define NEEDPUTENV	1	/* need putenv(3) call */
1385 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1386 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1387 #  define LA_TYPE	LA_INT
1388 #  define LA_AVENRUN	"avenrun"
1389 #  define _PATH_UNIX	"/unix"
1390 #  undef WIFEXITED
1391 
1392 #  define setpgid	setpgrp
1393 
1394 typedef int		pid_t;
1395 #  define SIGFUNC_DEFINED
1396 #  define SIGFUNC_RETURN	(0)
1397 #  define SIGFUNC_DECL	int
1398 typedef int		(*sigfunc_t)();
1399 extern char		*getenv();
1400 extern void		*malloc();
1401 
1402 /* added for RISC/os 4.01...which is dumber than 4.50 */
1403 #  ifdef RISCOS_4_0
1404 #   ifndef ARBPTR_T
1405 #    define ARBPTR_T	char *
1406 #   endif /* ! ARBPTR_T */
1407 #   undef HASFLOCK
1408 #   define HASFLOCK	0
1409 #  endif /* RISCOS_4_0 */
1410 
1411 #  include <sys/time.h>
1412 
1413 # endif /* RISCOS */
1414 
1415 
1416 /*
1417 **  Linux 0.99pl10 and above...
1418 **
1419 **  Thanks to, in reverse order of contact:
1420 **
1421 **	John Kennedy <warlock@csuchico.edu>
1422 **	Andrew Pam <avatar@aus.xanadu.com>
1423 **	Florian La Roche <rzsfl@rz.uni-sb.de>
1424 **	Karl London <karl@borg.demon.co.uk>
1425 **
1426 **  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1427 **	file locking is no longer allowed.  In particular, make sure
1428 **	your DBM library and sendmail are both using either flock(2)
1429 **	*or* fcntl(2) file locking, but not both.
1430 */
1431 
1432 # ifdef __linux__
1433 #  include <linux/version.h>
1434 #  if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1435 #   define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1436 #  endif /* !defined(KERNEL_VERSION) */
1437 #  define BSD		1	/* include BSD defines */
1438 #  define HASSETREGID	1	/* use setregid(2) to set saved gid */
1439 #  ifndef REQUIRES_DIR_FSYNC
1440 #   define REQUIRES_DIR_FSYNC	1	/* requires fsync() on directory */
1441 #  endif /* REQUIRES_DIR_FSYNC */
1442 #  ifndef USESETEUID
1443 #   define USESETEUID	0	/* has it due to POSIX, but doesn't work */
1444 #  endif /* USESETEUID */
1445 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1446 #  define HASUNAME	1	/* use System V uname(2) system call */
1447 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1448 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1449 #  define GIDSET_T	gid_t	/* from <linux/types.h> */
1450 #  ifndef HASGETUSERSHELL
1451 #   define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1452 #  endif /* HASGETUSERSHELL */
1453 #  ifndef IP_SRCROUTE
1454 #   define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1455 #  endif /* ! IP_SRCROUTE */
1456 #  ifndef HAS_IN_H
1457 #   define HAS_IN_H	1	/* use netinet/in.h */
1458 #  endif /* ! HAS_IN_H */
1459 #  ifndef USE_SIGLONGJMP
1460 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1461 #  endif /* ! USE_SIGLONGJMP */
1462 #  ifndef HASFLOCK
1463 #   if LINUX_VERSION_CODE < 66399
1464 #    define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1465 #   else /* LINUX_VERSION_CODE < 66399 */
1466 #     if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
1467 #      define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1468 #     else /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */
1469 #      define HASFLOCK	0	/* flock(2) is broken (again) after 2.4.0 */
1470 #     endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */
1471 #   endif /* LINUX_VERSION_CODE < 66399 */
1472 #  endif /* ! HASFLOCK */
1473 #  ifndef LA_TYPE
1474 #   define LA_TYPE	LA_PROCSTR
1475 #  endif /* ! LA_TYPE */
1476 #  define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1477 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1478 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1479 #   ifndef HASURANDOMDEV
1480 #    define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1481 #   endif /* ! HASURANDOMDEV */
1482 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) */
1483 #  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1484 #   define HASSTRERROR	1	/* has strerror(3) */
1485 #  endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1486 #  ifndef TZ_TYPE
1487 #   define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1488 #  endif /* ! TZ_TYPE */
1489 #  if (__GLIBC__ >= 2)
1490 #   include <paths.h>
1491 #  endif /* (__GLIBC__ >= 2) */
1492 #  ifndef _PATH_SENDMAILPID
1493 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1494 #  endif /* ! _PATH_SENDMAILPID */
1495 #  include <sys/sysmacros.h>
1496 #  undef atol			/* wounded in <stdlib.h> */
1497 #  if NETINET6
1498    /*
1499    **  Linux doesn't have a good way to tell userland what interfaces are
1500    **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1501    **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1502    **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1503    */
1504 #   define ADDRCONFIG_IS_BROKEN	1
1505 
1506    /*
1507    **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1508    **  in 2.1 and later, but the APIs appear before the functions.
1509    */
1510 #   if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1511 #    define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__)
1512 #    if (GLIBC_VERSION >= 0x201)
1513 #     undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1514 #    else /* (GLIBC_VERSION >= 0x201) */
1515 #     include <linux/in6.h>	/* IPv6 support */
1516 #    endif /* (GLIBC_VERSION >= 0x201) */
1517 #    if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE))
1518      /* Have APIs in <netdb.h>, but no support in glibc */
1519 #     define NEEDSGETIPNODE	1
1520 #    endif /* (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE)) */
1521 #    undef GLIBC_VERSION
1522 #   endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1523 #  endif /* NETINET6 */
1524 #  ifndef HASFCHOWN
1525 #   define HASFCHOWN	1	/* fchown(2) */
1526 #  endif /* ! HASFCHOWN */
1527 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD)
1528 #    define HASFCHMOD	1	/* fchmod(2) */
1529 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD) */
1530 # endif /* __linux__ */
1531 
1532 
1533 /*
1534 **  DELL SVR4 Issue 2.2, and others
1535 **	From Kimmo Suominen <kim@grendel.lut.fi>
1536 **
1537 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1538 **	defined, and the definitions conflict.
1539 **
1540 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1541 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1542 **	(SVR4.0/386 version 3.0).
1543 */
1544 
1545 # ifdef DELL_SVR4
1546 				/* no changes necessary */
1547 				/* see general __svr4__ defines below */
1548 # endif /* DELL_SVR4 */
1549 
1550 
1551 /*
1552 **  Apple A/UX 3.0
1553 */
1554 
1555 # ifdef _AUX_SOURCE
1556 #  include <sys/sysmacros.h>
1557 #  define BSD			/* has BSD routines */
1558 #  define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1559 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1560 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1561 #  define HASUNAME	1	/* use System V uname(2) system call */
1562 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1563 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1564 #  define HASSETVBUF	1	/* has setvbuf(3) in libc */
1565 #  define HASSTRERROR	1	/* has strerror(3) */
1566 #  define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1567 #  define SIGFUNC_RETURN		/* POSIX-mode */
1568 #  define SIGFUNC_DECL	void	/* POSIX-mode */
1569 #  define ERRLIST_PREDEFINED	1
1570 #  ifndef IDENTPROTO
1571 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1572 #  endif /* ! IDENTPROTO */
1573 #  ifndef LA_TYPE
1574 #   define LA_TYPE	LA_INT
1575 #   define FSHIFT	16
1576 #  endif /* ! LA_TYPE */
1577 #  define LA_AVENRUN	"avenrun"
1578 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1579 #  define TZ_TYPE	TZ_TZNAME
1580 #  ifndef _PATH_UNIX
1581 #   define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1582 #  endif /* ! _PATH_UNIX */
1583 #  ifndef _PATH_VENDOR_CF
1584 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1585 #  endif /* ! _PATH_VENDOR_CF */
1586 #  undef WIFEXITED
1587 #  undef WEXITSTATUS
1588 # endif /* _AUX_SOURCE */
1589 
1590 
1591 /*
1592 **  Encore UMAX V
1593 **
1594 **	Not extensively tested.
1595 */
1596 
1597 # ifdef UMAXV
1598 #  define HASUNAME	1	/* use System V uname(2) system call */
1599 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1600 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1601 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1602 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1603 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1604 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1605 #  define MAXPATHLEN	PATH_MAX
1606 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1607 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1608 #  undef WIFEXITED
1609 #  undef WEXITSTATUS
1610 # endif /* UMAXV */
1611 
1612 
1613 /*
1614 **  Stardent Titan 3000 running TitanOS 4.2.
1615 **
1616 **	Must be compiled in "cc -43" mode.
1617 **
1618 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1619 **
1620 **	Note the tweaking below after the BSD defines are set.
1621 */
1622 
1623 # ifdef titan
1624 #  define setpgid	setpgrp
1625 typedef int		pid_t;
1626 #  undef WIFEXITED
1627 #  undef WEXITSTATUS
1628 # endif /* titan */
1629 
1630 
1631 /*
1632 **  Sequent DYNIX 3.2.0
1633 **
1634 **	From Jim Davis <jdavis@cs.arizona.edu>.
1635 */
1636 
1637 # ifdef sequent
1638 
1639 #  define BSD		1
1640 #  define HASUNSETENV	1
1641 #  define BSD4_3		1	/* to get signal() in conf.c */
1642 #  define WAITUNION	1
1643 #  define LA_TYPE	LA_FLOAT
1644 #  ifdef _POSIX_VERSION
1645 #   undef _POSIX_VERSION		/* set in <unistd.h> */
1646 #  endif /* _POSIX_VERSION */
1647 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1648 #  define setpgid	setpgrp
1649 
1650 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1651 #  undef	WIFEXITED
1652 #  define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1653 			 ((union wait*)&(s))->w_termsig == 0)
1654 #  define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1655 typedef int		pid_t;
1656 #  define isgraph(c)	(isprint(c) && (c != ' '))
1657 
1658 #  ifndef IDENTPROTO
1659 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1660 #  endif /* ! IDENTPROTO */
1661 
1662 #  ifndef _PATH_UNIX
1663 #   define _PATH_UNIX		"/dynix"
1664 #  endif /* ! _PATH_UNIX */
1665 #  ifndef _PATH_VENDOR_CF
1666 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1667 #  endif /* ! _PATH_VENDOR_CF */
1668 # endif /* sequent */
1669 
1670 
1671 /*
1672 **  Sequent DYNIX/ptx v2.0 (and higher)
1673 **
1674 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
1675 **
1676 **	From Tim Wright <timw@sequent.com>.
1677 **	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1678 **		for DYNIX/ptx 4.0.2.
1679 */
1680 
1681 # ifdef _SEQUENT_
1682 #  include <sys/stream.h>
1683 #  define SYSTEM5	1	/* include all the System V defines */
1684 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1685 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1686 #  define HASSETREUID	1	/* has setreuid(2) call */
1687 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1688 #  define GIDSET_T	gid_t
1689 #  define LA_TYPE	LA_INT
1690 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1691 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1692 #  ifndef IDENTPROTO
1693 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1694 #  endif /* ! IDENTPROTO */
1695 #  ifndef _PATH_VENDOR_CF
1696 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1697 #  endif /* ! _PATH_VENDOR_CF */
1698 #  ifndef _PATH_SENDMAILPID
1699 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1700 #  endif /* ! _PATH_SENDMAILPID */
1701 # endif /* _SEQUENT_ */
1702 
1703 /*
1704 **  Cray UNICOS, UNICOS/mk, and UNICOS/mp
1705 **
1706 **    UNICOS:
1707 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
1708 **	Update Brian Ginsbach <ginsbach@cray.com>
1709 **    UNICOS/mk (Cray T3E):
1710 **	Contributed by Manu Mahonen <mailadm@csc.fi>
1711 **	of Center for Scientific Computing.
1712 **	Update Brian Ginsbach <ginsbach@cray.com>
1713 **    UNICOS/mp:
1714 **	From Aaron Davis <awd@cray.com> & Brian Ginsbach <ginsbach@cray.com>
1715 */
1716 
1717 # if defined(_CRAY) || defined(UNICOS) || defined(_UNICOSMP)
1718 #  define SYSTEM5	1	/* include all the System V defines */
1719 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1720 #  define HASFCHOWN	1	/* has fchown(2) */
1721 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1722 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1723 #  define HASSETREUID	1	/* has setreuid(2) call */
1724 #  define USESETEUID	1	/* has usable seteuid(2) call */
1725 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
1726 #  define HASSTRERROR	1	/* has strerror(3) */
1727 #  define GIDSET_T	gid_t
1728 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1729 #  define SFS_BAVAIL	f_bfree	/* alternate field name */
1730 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
1731 #  ifdef UNICOS
1732 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1733 #   define LA_TYPE	LA_ZERO
1734 #   define _PATH_MAILDIR	"/usr/spool/mail"
1735 #   define GET_IPOPT_DST(dst) *(struct in_addr *)&(dst)
1736 #   ifndef MAXPATHLEN
1737 #    define MAXPATHLEN PATHSIZE
1738 #   endif /* ! MAXPATHLEN */
1739 #   ifndef _PATH_UNIX
1740 #    ifdef UNICOSMK
1741 #     define _PATH_UNIX		"/unicosmk.ar"
1742 #    else
1743 #     define _PATH_UNIX		"/unicos"
1744 #    endif /* UNICOSMK */
1745 #   endif /* ! _PATH_UNIX */
1746 #   ifndef _PATH_VENDOR_CF
1747 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1748 #   endif /* ! _PATH_VENDOR_CF */
1749 #  endif /* UNICOS */
1750 #  ifdef _UNICOSMP
1751 #  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
1752     /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
1753 #   define _SC_NPROCESSORS_ONLN  _SC_NPROC_ONLN
1754 #  endif /* if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) */
1755 #   define HASGETUSERSHELL 0		/* does not have getusershell(3) call */
1756 #   define HASSETRLIMIT	   1		/* has setrlimit(2) syscall */
1757 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
1758 #   include <sys/cdefs.h>
1759 #   include <paths.h>
1760 #   define ARGV_T char *const *
1761 #  endif /* _UNICOSMP */
1762 # endif /* _CRAY */
1763 
1764 /*
1765 **  Apollo DomainOS
1766 **
1767 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1768 **
1769 **  15 Jan 1994; updated 2 Aug 1995
1770 **
1771 */
1772 
1773 # ifdef apollo
1774 #  define HASSETREUID	1	/* has setreuid(2) call */
1775 #  define HASINITGROUPS	1	/* has initgroups(2) call */
1776 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1777 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1778 #  define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1779 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1780 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1781 #  define TZ_TYPE	TZ_TZNAME
1782 #  ifndef _PATH_VENDOR_CF
1783 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1784 #  endif /* ! _PATH_VENDOR_CF */
1785 #  ifndef _PATH_SENDMAILPID
1786 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1787 #  endif /* ! _PATH_SENDMAILPID */
1788 #  undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1789 #  undef	 S_IFIFO
1790 #  define S_IFIFO	0010000
1791 #  ifndef IDENTPROTO
1792 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1793 #  endif /* ! IDENTPROTO */
1794 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1795 #  if defined(NGROUPS_MAX) && !NGROUPS_MAX
1796 #   undef NGROUPS_MAX
1797 #  endif /* defined(NGROUPS_MAX) && !NGROUPS_MAX */
1798 # endif /* apollo */
1799 
1800 /*
1801 **  MPE-iX
1802 **
1803 **	Requires MPE 6.0 or greater.  See sendmail/README for more info.
1804 **
1805 **	From Mark Bixby <mark_bixby@hp.com> or <mark@bixby.org>.
1806 */
1807 
1808 # ifdef MPE
1809 
1810 #  include <sys/sysmacros.h>
1811 #  include <fcntl.h>
1812 
1813 /* Sendmail stuff */
1814 #  define HASFCHOWN		0	/* lacks fchown() */
1815 #  define HASGETUSERSHELL	0	/* lacks getusershell() */
1816 #  ifdef HASNICE
1817 #   undef  HASNICE
1818 #  endif /* HASNICE */
1819 #  define HASNICE		0	/* lacks nice() */
1820 #  define HASRANDOM		0	/* lacks random() */
1821 #  ifdef HASRRESVPORT
1822 #   undef HASRRESVPORT
1823 #  endif /* HASRRESVPORT */
1824 #  define HASRRESVPORT		0	/* lacks rresvport() */
1825 #  define IP_SRCROUTE		0	/* lacks IP source routing fields */
1826 #  ifdef MATCHGECOS
1827 #   undef MATCHGECOS
1828 #  endif /* MATCHGECOS */
1829 #  define MATCHGECOS		0	/* lacks an initialized GECOS field */
1830 #  define NEEDFSYNC		1	/* use sendmail's fsync() */
1831 #  define NEEDLINK		1	/* use sendmail's link() */
1832 #  define NOFTRUNCATE		1	/* lacks ftruncate() */
1833 #  define SFS_TYPE		SFS_NONE /* can't determine disk space */
1834 #  define SM_CONF_SYSLOG	0	/* use sendmail decl of syslog() */
1835 #  define USE_DOUBLE_FORK	0	/* don't fork an intermediate zombie */
1836 #  define USE_ENVIRON		1	/* use environ instead of envp */
1837 
1838 /* Missing header stuff */
1839 #  define AF_UNSPEC		0
1840 #  define AF_MAX		AF_INET
1841 #  define IFF_LOOPBACK		0x8
1842 #  define IN_LOOPBACKNET	127
1843 #  define MAXNAMLEN		NAME_MAX
1844 #  define S_IEXEC		S_IXUSR
1845 #  define S_IREAD		S_IRUSR
1846 #  define S_IWRITE		S_IWUSR
1847 
1848 /* Present header stuff that needs to be missing */
1849 #  undef NGROUPS_MAX
1850 
1851 /* Shadow functions */
1852 #  define bind		sendmail_mpe_bind
1853 #  define _exit		sendmail_mpe__exit
1854 #  define exit		sendmail_mpe_exit
1855 #  define fcntl		sendmail_mpe_fcntl
1856 #  define getegid	sendmail_mpe_getegid
1857 #  define geteuid	sendmail_mpe_geteuid
1858 #  define getpwnam	sendmail_mpe_getpwnam
1859 #  define getpwuid	sendmail_mpe_getpwuid
1860 #  define setgid	sendmail_mpe_setgid
1861 #  define setuid	sendmail_mpe_setuid
1862 extern int		sendmail_mpe_fcntl __P((int, int, ...));
1863 extern struct passwd *	sendmail_mpe_getpwnam __P((const char *));
1864 extern struct passwd *	sendmail_mpe_getpwuid __P((uid_t));
1865 # endif /* MPE */
1866 
1867 /*
1868 **  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1869 **
1870 **	Contributed by Paul Gampe <paulg@apnic.net>
1871 */
1872 
1873 # ifdef __svr5__
1874 #  include <sys/mkdev.h>
1875 #  define __svr4__
1876 #  define SYS5SIGNALS		1
1877 #  define HASFCHOWN		1	/* has fchown(2) call */
1878 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1879 #  define HASSETREUID		1
1880 #  define HASWAITPID		1
1881 #  define HASGETDTABLESIZE	1
1882 #  define GIDSET_T		gid_t
1883 #  define SOCKADDR_LEN_T	size_t
1884 #  define SOCKOPT_LEN_T		size_t
1885 #  ifndef _PATH_UNIX
1886 #   define _PATH_UNIX		"/stand/unix"
1887 #  endif /* ! _PATH_UNIX */
1888 #  define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1889 #  ifndef SYSLOG_BUFSIZE
1890 #   define SYSLOG_BUFSIZE	1024	/* unsure */
1891 #  endif /* ! SYSLOG_BUFSIZE */
1892 #  ifndef _PATH_VENDOR_CF
1893 #   define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1894 #  endif /* ! _PATH_VENDOR_CF */
1895 #  ifndef _PATH_SENDMAILPID
1896 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1897 #  endif /* ! _PATH_SENDMAILPID */
1898 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1899 #if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT)
1900 # define SM_SET_H_ERRNO(err)	set_h_errno((err))
1901 #endif /* ! SM_SET_H_ERRNO && _REENTRANT */
1902 # endif /* __svr5__ */
1903 
1904 /* ###################################################################### */
1905 
1906 /*
1907 **  UnixWare 2.x
1908 */
1909 
1910 # ifdef UNIXWARE2
1911 #  define UNIXWARE	1
1912 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1913 # endif /* UNIXWARE2 */
1914 
1915 
1916 /*
1917 **  UnixWare 1.1.2.
1918 **
1919 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1920 **	From Evan Champion <evanc@spatial.synapse.org>.
1921 */
1922 
1923 # ifdef UNIXWARE
1924 #  include <sys/mkdev.h>
1925 #  define SYSTEM5		1
1926 #  define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1927 #  define HASSETREUID		1
1928 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1929 #  define HASINITGROUPS		1
1930 #  define GIDSET_T		gid_t
1931 #  define SLEEP_T		unsigned
1932 #  define SFS_TYPE		SFS_STATVFS
1933 #  define LA_TYPE		LA_ZERO
1934 #  undef WIFEXITED
1935 #  undef WEXITSTATUS
1936 #  ifndef _PATH_UNIX
1937 #   define _PATH_UNIX		"/unix"
1938 #  endif /* ! _PATH_UNIX */
1939 #  ifndef _PATH_VENDOR_CF
1940 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1941 #  endif /* ! _PATH_VENDOR_CF */
1942 #  ifndef _PATH_SENDMAILPID
1943 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1944 #  endif /* ! _PATH_SENDMAILPID */
1945 #  define SYSLOG_BUFSIZE	128
1946 # endif /* UNIXWARE */
1947 
1948 
1949 /*
1950 **  Intergraph CLIX 3.1
1951 **
1952 **	From Paul Southworth <pauls@locust.cic.net>
1953 */
1954 
1955 # ifdef CLIX
1956 #  define SYSTEM5	1	/* looks like System V */
1957 #  ifndef HASGETUSERSHELL
1958 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1959 #  endif /* ! HASGETUSERSHELL */
1960 #  define DEV_BSIZE	512	/* device block size not defined */
1961 #  define GIDSET_T	gid_t
1962 #  undef LOG			/* syslog not available */
1963 #  define NEEDFSYNC	1	/* no fsync in system library */
1964 #  define GETSHORT	_getshort
1965 # endif /* CLIX */
1966 
1967 
1968 /*
1969 **  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
1970 **
1971 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1972 */
1973 
1974 # ifdef NCR_MP_RAS2
1975 #  include <sys/sockio.h>
1976 #  define __svr4__
1977 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1978 #  define SYSLOG_BUFSIZE	1024
1979 #  define SPT_TYPE  SPT_NONE
1980 # endif /* NCR_MP_RAS2 */
1981 
1982 
1983 /*
1984 **  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
1985 **
1986 **	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
1987 */
1988 
1989 # ifdef NCR_MP_RAS3
1990 #  define __svr4__
1991 #  define HASFCHOWN		1	/* has fchown(2) call */
1992 #  define LDA_USE_LOCKF		1
1993 #  define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
1994 #  define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
1995 #  define SYSLOG_BUFSIZE	1024
1996 #  define SPT_TYPE	SPT_NONE
1997 #  define _PATH_MAILDIR	"/var/mail"
1998 #  ifndef _XOPEN_SOURCE
1999 #   define _XOPEN_SOURCE
2000 #   define _XOPEN_SOURCE_EXTENDED 1
2001 #   include <sys/resource.h>
2002 #   undef _XOPEN_SOURCE
2003 #   undef _XOPEN_SOURCE_EXTENDED
2004 #  endif /* ! _XOPEN_SOURCE */
2005 # endif /* NCR_MP_RAS3 */
2006 
2007 
2008 /*
2009 **  Tandem NonStop-UX SVR4
2010 **
2011 **	From Rick McCarty <mccarty@mpd.tandem.com>.
2012 */
2013 
2014 # ifdef NonStop_UX_BXX
2015 #  define __svr4__
2016 # endif /* NonStop_UX_BXX */
2017 
2018 
2019 /*
2020 **  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
2021 **
2022 **	Tested for 1.04, 1.03
2023 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
2024 **
2025 **	Tested for 4.02, 6.10 and 7.10
2026 **	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
2027 */
2028 
2029 # if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
2030 #  define SYSTEM5	1	/* include all the System V defines */
2031 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2032 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
2033 #  define setreuid(r, e)	setresuid(r, e, -1)
2034 #  define LA_TYPE	LA_FLOAT
2035 #  define SPT_TYPE	SPT_PSTAT
2036 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
2037 #  ifndef HASSETVBUF
2038 #   define HASSETVBUF	/* HI-UX has no setlinebuf */
2039 #  endif /* ! HASSETVBUF */
2040 #  ifndef GIDSET_T
2041 #   define GIDSET_T	gid_t
2042 #  endif /* ! GIDSET_T */
2043 #  ifndef _PATH_UNIX
2044 #   define _PATH_UNIX		"/HI-UX"
2045 #  endif /* ! _PATH_UNIX */
2046 #  ifndef _PATH_VENDOR_CF
2047 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2048 #  endif /* ! _PATH_VENDOR_CF */
2049 #  ifndef IDENTPROTO
2050 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2051 #  endif /* ! IDENTPROTO */
2052 #  ifndef HASGETUSERSHELL
2053 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
2054 #  endif /* ! HASGETUSERSHELL */
2055 #  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
2056 
2057 /*
2058 **  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
2059 **  on HIUX 3050
2060 */
2061 #  undef m_flags
2062 
2063 #  define SM_CONF_SYSLOG	0
2064 
2065 # endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
2066 
2067 
2068 /*
2069 **  Amdahl UTS System V 2.1.5 (SVr3-based)
2070 **
2071 **    From: Janet Jackson <janet@dialix.oz.au>.
2072 */
2073 
2074 # ifdef _UTS
2075 #  include <sys/sysmacros.h>
2076 #  undef HASLSTAT		/* has symlinks, but they cause problems */
2077 #  define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
2078 #  define SYS5SIGNALS	1	/* System V signal semantics */
2079 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2080 #  define HASUNAME	1	/* use System V uname(2) system call */
2081 #  define HASINITGROUPS	1	/* has initgroups(3) function */
2082 #  define HASSETVBUF	1	/* has setvbuf(3) function */
2083 #  ifndef HASGETUSERSHELL
2084 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
2085 #  endif /* ! HASGETUSERSHELL */
2086 #  define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
2087 #  define LA_TYPE	LA_ZERO		/* doesn't have load average */
2088 #  define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
2089 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2090 #  define _PATH_UNIX		"/unix"
2091 #  ifndef _PATH_VENDOR_CF
2092 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2093 #  endif /* ! _PATH_VENDOR_CF */
2094 # endif /* _UTS */
2095 
2096 /*
2097 **  Cray Computer Corporation's CSOS
2098 **
2099 **	From Scott Bolte <scott@craycos.com>.
2100 */
2101 
2102 # ifdef _CRAYCOM
2103 #  define SYSTEM5	1	/* include all the System V defines */
2104 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2105 #  define NEEDFSYNC	1	/* no fsync in system library */
2106 #  define MAXPATHLEN	PATHSIZE
2107 #  define LA_TYPE	LA_ZERO
2108 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
2109 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2110 #  define _POSIX_CHOWN_RESTRICTED	-1
2111 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
2112 # endif /* _CRAYCOM */
2113 
2114 
2115 /*
2116 **  Sony NEWS-OS 4.2.1R and 6.0.3
2117 **
2118 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2119 */
2120 
2121 # ifdef sony_news
2122 #  ifndef __svr4
2123 			/* NEWS-OS 4.2.1R */
2124 #   ifndef BSD
2125 #    define BSD			/* has BSD routines */
2126 #   endif /* ! BSD */
2127 #   define HASUNSETENV	1	/* has unsetenv(2) call */
2128 #   undef HASSETVBUF		/* don't actually have setvbuf(3) */
2129 #   define WAITUNION	1	/* use "union wait" as wait argument type */
2130 #   define LA_TYPE	LA_INT
2131 #   define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2132 #   ifndef HASFLOCK
2133 #    define HASFLOCK	1	/* has flock(2) call */
2134 #   endif /* ! HASFLOCK */
2135 #   define setpgid	setpgrp
2136 #   undef WIFEXITED
2137 #   undef WEXITSTATUS
2138 #   define MODE_T	int	/* system include files have no mode_t */
2139 typedef int		pid_t;
2140 typedef int		(*sigfunc_t)();
2141 #   define SIGFUNC_DEFINED
2142 #   define SIGFUNC_RETURN	(0)
2143 #   define SIGFUNC_DECL		int
2144 
2145 #  else /* ! __svr4 */
2146 			/* NEWS-OS 6.0.3 with /bin/cc */
2147 #   ifndef __svr4__
2148 #    define __svr4__		/* use all System V Release 4 defines below */
2149 #   endif /* ! __svr4__ */
2150 #   define HASSETSID	1	/* has POSIX setsid(2) call */
2151 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
2152 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2153 #   ifndef SPT_TYPE
2154 #    define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
2155 #   endif /* ! SPT_TYPE */
2156 #   define GIDSET_T	gid_t
2157 #   undef WIFEXITED
2158 #   undef WEXITSTATUS
2159 #   ifndef SYSLOG_BUFSIZE
2160 #    define SYSLOG_BUFSIZE	256
2161 #   endif /* ! SYSLOG_BUFSIZE */
2162 #   define _PATH_UNIX		"/stand/unix"
2163 #   ifndef _PATH_VENDOR_CF
2164 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2165 #   endif /* ! _PATH_VENDOR_CF */
2166 #   ifndef _PATH_SENDMAILPID
2167 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2168 #   endif /* ! _PATH_SENDMAILPID */
2169 
2170 #  endif /* ! __svr4 */
2171 # endif /* sony_news */
2172 
2173 
2174 /*
2175 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
2176 **
2177 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2178 */
2179 
2180 # ifdef luna
2181 #  ifndef IDENTPROTO
2182 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2183 #  endif /* ! IDENTPROTO */
2184 #  define HASUNSETENV	1	/* has unsetenv(2) call */
2185 #  define NEEDPUTENV	1	/* need putenv(3) call */
2186 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
2187 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2188 #  define WAITUNION	1	/* use "union wait" as wait argument type */
2189 #  ifdef uniosb
2190 #   include <sys/time.h>
2191 #   define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2192 #   define LA_TYPE	LA_INT
2193 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2194 #  endif /* uniosb */
2195 #  ifdef luna2
2196 #   define LA_TYPE	LA_SUBR
2197 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2198 #  endif /* luna2 */
2199 #  ifdef luna88k
2200 #   define LA_TYPE	LA_INT
2201 #  endif /* luna88k */
2202 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2203 #  define setpgid	setpgrp
2204 #  undef WIFEXITED
2205 #  undef WEXITSTATUS
2206 typedef int		pid_t;
2207 typedef int		(*sigfunc_t)();
2208 #  define SIGFUNC_DEFINED
2209 #  define SIGFUNC_RETURN	(0)
2210 #  define SIGFUNC_DECL	int
2211 extern char	*getenv();
2212 #  ifndef _PATH_VENDOR_CF
2213 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2214 #  endif /* ! _PATH_VENDOR_CF */
2215 # endif /* luna */
2216 
2217 
2218 /*
2219 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2220 **
2221 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2222 */
2223 
2224 # if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2225 #  ifndef __svr4__
2226 #   define __svr4__		/* use all System V Release 4 defines below */
2227 #  endif /* ! __svr4__ */
2228 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2229 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2230 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2231 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2232 #  define GIDSET_T	gid_t
2233 #  undef WIFEXITED
2234 #  undef WEXITSTATUS
2235 #  define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2236 #  ifndef _PATH_VENDOR_CF
2237 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2238 #  endif /* ! _PATH_VENDOR_CF */
2239 #  ifndef _PATH_SENDMAILPID
2240 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2241 #  endif /* ! _PATH_SENDMAILPID */
2242 #  ifndef SYSLOG_BUFSIZE
2243 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2244 #  endif /* ! SYSLOG_BUFSIZE */
2245 # endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2246 
2247 
2248 /*
2249 **  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2250 **
2251 **	From Diego R. Lopez <drlopez@cica.es>.
2252 **	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2253 **		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2254 */
2255 
2256 # ifdef __uxp__
2257 #  include <arpa/nameser.h>
2258 #  include <sys/sysmacros.h>
2259 #  include <sys/mkdev.h>
2260 #  define __svr4__
2261 #  define HASGETUSERSHELL	0
2262 #  define HASFLOCK		0
2263 #  define _PATH_UNIX		"/stand/unix"
2264 #  ifndef _PATH_VENDOR_CF
2265 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2266 #  endif /* ! _PATH_VENDOR_CF */
2267 #  ifndef _PATH_SENDMAILPID
2268 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2269 #  endif /* ! _PATH_SENDMAILPID */
2270 # endif /* __uxp__ */
2271 
2272 /*
2273 **  Pyramid DC/OSx
2274 **
2275 **	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2276 */
2277 
2278 # ifdef DCOSx
2279 #  define GIDSET_T	gid_t
2280 #  ifndef IDENTPROTO
2281 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2282 #  endif /* ! IDENTPROTO */
2283 # endif /* DCOSx */
2284 
2285 /*
2286 **  Concurrent Computer Corporation Maxion
2287 **
2288 **	From Donald R. Laster Jr. <laster@access.digex.net>.
2289 */
2290 
2291 # ifdef __MAXION__
2292 
2293 #  include <sys/stream.h>
2294 #  define __svr4__		1	/* SVR4.2MP */
2295 #  define HASSETREUID		1	/* have setreuid(2) */
2296 #  define HASLSTAT		1	/* have lstat(2) */
2297 #  define HASSETRLIMIT		1	/* have setrlimit(2) */
2298 #  define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2299 #  define HASGETUSERSHELL	1	/* have getusershell(3) */
2300 #  define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2301 #  define SLEEP_T		unsigned
2302 #  define SFS_TYPE		SFS_STATVFS
2303 #  define SFS_BAVAIL		f_bavail
2304 #  ifndef SYSLOG_BUFSIZE
2305 #   define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2306 #  endif /* ! SYSLOG_BUFSIZE */
2307 
2308 #  undef WUNTRACED
2309 #  undef WIFEXITED
2310 #  undef WIFSIGNALED
2311 #  undef WIFSTOPPED
2312 #  undef WEXITSTATUS
2313 #  undef WTERMSIG
2314 #  undef WSTOPSIG
2315 
2316 # endif /* __MAXION__ */
2317 
2318 /*
2319 **  Harris Nighthawk PowerUX (nh6000 box)
2320 **
2321 **  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2322 */
2323 
2324 # ifdef _PowerUX
2325 #  ifndef __svr4__
2326 #   define __svr4__
2327 #  endif /* ! __svr4__ */
2328 #  ifndef _PATH_VENDOR_CF
2329 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2330 #  endif /* ! _PATH_VENDOR_CF */
2331 #  ifndef _PATH_SENDMAILPID
2332 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2333 #  endif /* ! _PATH_SENDMAILPID */
2334 #  define SYSLOG_BUFSIZE		1024
2335 #  define LA_TYPE		LA_ZERO
2336 typedef struct msgb		mblk_t;
2337 #  undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2338 # endif /* _PowerUX */
2339 
2340 /*
2341 **  Siemens Nixdorf Informationssysteme AG SINIX
2342 **
2343 **	Contributed by Gerald Rinske of Siemens Business Services VAS.
2344 */
2345 # ifdef sinix
2346 #  define HASRANDOM		0	/* has random(3) */
2347 #  define SYSLOG_BUFSIZE	1024
2348 #  define SM_INT32		int	/* 32bit integer */
2349 # endif /* sinix */
2350 
2351 
2352 /*
2353 **  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2354 **
2355 **	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2356 */
2357 
2358 # ifdef MOTO
2359 #  define HASFCHMOD		1
2360 #  define HASSETRLIMIT		0
2361 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2362 #  define HASSETREUID		1
2363 #  define HASULIMIT		1
2364 #  define HASWAITPID		1
2365 #  define HASGETDTABLESIZE	1
2366 #  define HASGETUSERSHELL	1
2367 #  define IP_SRCROUTE		0
2368 #  define IDENTPROTO		0
2369 #  define RES_DNSRCH_VARIABLE	_res_dnsrch
2370 #  define _PATH_UNIX		"/unix"
2371 #  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2372 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2373 # endif /* MOTO */
2374 
2375 /*
2376 **  Interix
2377 **	Contributed by Nedelcho Stanev <nedelcho.stanev@atlanticsky.com>
2378 **
2379 **	Used for Interix support.
2380 */
2381 
2382 # if defined(__INTERIX)
2383 #  define HASURANDOMDEV		1
2384 #  define HASGETUSERSHELL	0
2385 #  define HASSTRERROR		1
2386 #  define HASUNSETENV		1
2387 #  define HASFCHOWN		1
2388 #  undef HAVE_SYS_ERRLIST
2389 #  define sys_errlist		__sys_errlist
2390 #  define sys_nerr		__sys_nerr
2391 #  include <sys/mkdev.h>
2392 #  ifndef major
2393 #   define major(dev)		((int)(((dev) >> 8) & 0xff))
2394 #  endif /* ! major */
2395 #  ifndef minor
2396 #   define minor(dev)		((int)((dev) & 0xff))
2397 #  endif /* ! minor */
2398 # endif /* defined(__INTERIX) */
2399 
2400 
2401 /**********************************************************************
2402 **  End of Per-Operating System defines
2403 **********************************************************************/
2404 /**********************************************************************
2405 **  More general defines
2406 **********************************************************************/
2407 
2408 /* general BSD defines */
2409 # ifdef BSD
2410 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2411 #  ifndef HASSETREUID
2412 #   define HASSETREUID	1	/* has setreuid(2) call */
2413 #  endif /* ! HASSETREUID */
2414 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2415 #  ifndef IP_SRCROUTE
2416 #   define IP_SRCROUTE	1	/* can check IP source routing */
2417 #  endif /* ! IP_SRCROUTE */
2418 #  ifndef HASSETRLIMIT
2419 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2420 #  endif /* ! HASSETRLIMIT */
2421 #  ifndef HASFLOCK
2422 #   define HASFLOCK	1	/* has flock(2) call */
2423 #  endif /* ! HASFLOCK */
2424 #  ifndef TZ_TYPE
2425 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2426 #  endif /* ! TZ_TYPE */
2427 # endif /* BSD */
2428 
2429 /* general System V Release 4 defines */
2430 # ifdef __svr4__
2431 #  define SYSTEM5	1
2432 #  define USESETEUID	1	/* has usable seteuid(2) call */
2433 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2434 #  define BSD_COMP	1	/* get BSD ioctl calls */
2435 #  ifndef HASSETRLIMIT
2436 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2437 #  endif /* ! HASSETRLIMIT */
2438 #  ifndef HASGETUSERSHELL
2439 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2440 #  endif /* ! HASGETUSERSHELL */
2441 #  ifndef HASFCHMOD
2442 #   define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2443 #  endif /* ! HASFCHMOD */
2444 
2445 #  ifndef _PATH_UNIX
2446 #   define _PATH_UNIX		"/unix"
2447 #  endif /* ! _PATH_UNIX */
2448 #  ifndef _PATH_VENDOR_CF
2449 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2450 #  endif /* ! _PATH_VENDOR_CF */
2451 #  ifndef _PATH_SENDMAILPID
2452 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2453 #  endif /* ! _PATH_SENDMAILPID */
2454 #  ifndef SYSLOG_BUFSIZE
2455 #   define SYSLOG_BUFSIZE	128
2456 #  endif /* ! SYSLOG_BUFSIZE */
2457 #  ifndef SFS_TYPE
2458 #   define SFS_TYPE		SFS_STATVFS
2459 #  endif /* ! SFS_TYPE */
2460 
2461 #  ifndef USE_SIGLONGJMP
2462 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
2463 #  endif /* ! USE_SIGLONGJMP */
2464 # endif /* __svr4__ */
2465 
2466 # ifdef __SVR4
2467 #  define LDA_USE_LOCKF		1
2468 #  define LDA_USE_SETEUID	1
2469 #  define _PATH_MAILDIR		"/var/mail"
2470 # endif /* __SVR4 */
2471 
2472 /* general System V defines */
2473 # ifdef SYSTEM5
2474 #  include <sys/sysmacros.h>
2475 #  define HASUNAME	1	/* use System V uname(2) system call */
2476 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2477 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2478 #  ifndef HASULIMIT
2479 #   define HASULIMIT	1	/* has the ulimit(2) syscall */
2480 #  endif /* ! HASULIMIT */
2481 #  ifndef LA_TYPE
2482 #   ifdef MIOC_READKSYM
2483 #    define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2484 #   else /* MIOC_READKSYM */
2485 #    define LA_TYPE	LA_INT		/* assume integer load average */
2486 #   endif /* MIOC_READKSYM */
2487 #  endif /* ! LA_TYPE */
2488 #  ifndef SFS_TYPE
2489 #   define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2490 #  endif /* ! SFS_TYPE */
2491 #  ifndef TZ_TYPE
2492 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2493 #  endif /* ! TZ_TYPE */
2494 # endif /* SYSTEM5 */
2495 
2496 /* general POSIX defines */
2497 # ifdef _POSIX_VERSION
2498 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2499 #  define HASWAITPID	1	/* has POSIX waitpid(2) call */
2500 #  if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2501 #   define USESETEUID	1	/* has usable seteuid(2) call */
2502 #  endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2503 # endif /* _POSIX_VERSION */
2504 /*
2505 **  Tweaking for systems that (for example) claim to be BSD or POSIX
2506 **  but don't have all the standard BSD or POSIX routines (boo hiss).
2507 */
2508 
2509 # ifdef titan
2510 #  undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2511 # endif /* titan */
2512 
2513 # ifdef _CRAYCOM
2514 #  undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2515 # endif /* _CRAYCOM */
2516 
2517 # ifdef MOTO
2518 #  undef USESETEUID
2519 # endif /* MOTO */
2520 
2521 /*
2522 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2523 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2524 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2525 **  are closed.  Some firewalls return this error if you try to connect
2526 **  to the IDENT port (113), so you can't receive email from these hosts
2527 **  on these systems.  The firewall really should use a more specific
2528 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2529 **  not explicitly set to zero above, default it on.
2530 */
2531 
2532 # ifndef IDENTPROTO
2533 #  define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2534 # endif /* ! IDENTPROTO */
2535 
2536 # ifndef IP_SRCROUTE
2537 #  define IP_SRCROUTE	1	/* Detect IP source routing */
2538 # endif /* ! IP_SRCROUTE */
2539 
2540 # ifndef HASGETUSERSHELL
2541 #  define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2542 # endif /* ! HASGETUSERSHELL */
2543 
2544 # ifndef NETUNIX
2545 #  define NETUNIX	1	/* include unix domain support */
2546 # endif /* ! NETUNIX */
2547 
2548 # ifndef HASRANDOM
2549 #  define HASRANDOM	1	/* has random(3) support */
2550 # endif /* ! HASRANDOM */
2551 
2552 # ifndef HASFLOCK
2553 #  define HASFLOCK	0	/* assume no flock(2) support */
2554 # endif /* ! HASFLOCK */
2555 
2556 # ifndef HASSETREUID
2557 #  define HASSETREUID	0	/* assume no setreuid(2) call */
2558 # endif /* ! HASSETREUID */
2559 
2560 # ifndef HASFCHMOD
2561 #  define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2562 # endif /* ! HASFCHMOD */
2563 
2564 # ifndef USESETEUID
2565 #  define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2566 # endif /* ! USESETEUID */
2567 
2568 # ifndef HASSETRLIMIT
2569 #  define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2570 # endif /* ! HASSETRLIMIT */
2571 
2572 # ifndef HASULIMIT
2573 #  define HASULIMIT	0	/* assume no ulimit(2) support */
2574 # endif /* ! HASULIMIT */
2575 
2576 # ifndef SECUREWARE
2577 #  define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2578 # endif /* ! SECUREWARE */
2579 
2580 # ifndef USE_DOUBLE_FORK
2581 #  define USE_DOUBLE_FORK	1	/* avoid intermediate zombies */
2582 # endif /* ! USE_DOUBLE_FORK */
2583 
2584 # ifndef USE_ENVIRON
2585 #  define USE_ENVIRON	0	/* use main() envp instead of extern environ */
2586 # endif /* ! USE_ENVIRON */
2587 
2588 # ifndef USE_SIGLONGJMP
2589 #  define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2590 # endif /* ! USE_SIGLONGJMP */
2591 
2592 # ifndef FDSET_CAST
2593 #  define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2594 # endif /* ! FDSET_CAST */
2595 
2596 /*
2597 **  Pick a mailer setuid method for changing the current uid
2598 */
2599 
2600 # define USE_SETEUID	0
2601 # define USE_SETREUID	1
2602 # define USE_SETUID	2
2603 
2604 # if USESETEUID
2605 #  define MAILER_SETUID_METHOD	USE_SETEUID
2606 # else /* USESETEUID */
2607 #  if HASSETREUID
2608 #   define MAILER_SETUID_METHOD	USE_SETREUID
2609 #  else /* HASSETREUID */
2610 #   define MAILER_SETUID_METHOD	USE_SETUID
2611 #  endif /* HASSETREUID */
2612 # endif /* USESETEUID */
2613 
2614 /*
2615 **  If no type for argument two of getgroups call is defined, assume
2616 **  it's an integer -- unfortunately, there seem to be several choices
2617 **  here.
2618 */
2619 
2620 # ifndef GIDSET_T
2621 #  define GIDSET_T	int
2622 # endif /* ! GIDSET_T */
2623 
2624 # ifndef UID_T
2625 #  define UID_T		uid_t
2626 # endif /* ! UID_T */
2627 
2628 # ifndef GID_T
2629 #  define GID_T		gid_t
2630 # endif /* ! GID_T */
2631 
2632 # ifndef MODE_T
2633 #  define MODE_T		mode_t
2634 # endif /* ! MODE_T */
2635 
2636 # ifndef ARGV_T
2637 #  define ARGV_T		char **
2638 # endif /* ! ARGV_T */
2639 
2640 # ifndef SOCKADDR_LEN_T
2641 #  define SOCKADDR_LEN_T	int
2642 # endif /* ! SOCKADDR_LEN_T */
2643 
2644 # ifndef SOCKOPT_LEN_T
2645 #  define SOCKOPT_LEN_T	int
2646 # endif /* ! SOCKOPT_LEN_T */
2647 
2648 # ifndef QUAD_T
2649 #  define QUAD_T	unsigned long
2650 # endif /* ! QUAD_T */
2651 /**********************************************************************
2652 **  Remaining definitions should never have to be changed.  They are
2653 **  primarily to provide back compatibility for older systems -- for
2654 **  example, it includes some POSIX compatibility definitions
2655 **********************************************************************/
2656 
2657 /* System 5 compatibility */
2658 # ifndef S_ISREG
2659 #  define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2660 # endif /* ! S_ISREG */
2661 # ifndef S_ISDIR
2662 #  define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2663 # endif /* ! S_ISDIR */
2664 # if !defined(S_ISLNK) && defined(S_IFLNK)
2665 #  define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2666 # endif /* !defined(S_ISLNK) && defined(S_IFLNK) */
2667 # if !defined(S_ISFIFO)
2668 #  if defined(S_IFIFO)
2669 #   define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2670 #  else /* defined(S_IFIFO) */
2671 #   define S_ISFIFO(foo)	false
2672 #  endif /* defined(S_IFIFO) */
2673 # endif /* !defined(S_ISFIFO) */
2674 # ifndef S_IRUSR
2675 #  define S_IRUSR		0400
2676 # endif /* ! S_IRUSR */
2677 # ifndef S_IWUSR
2678 #  define S_IWUSR		0200
2679 # endif /* ! S_IWUSR */
2680 # ifndef S_IRGRP
2681 #  define S_IRGRP		0040
2682 # endif /* ! S_IRGRP */
2683 # ifndef S_IWGRP
2684 #  define S_IWGRP		0020
2685 # endif /* ! S_IWGRP */
2686 # ifndef S_IROTH
2687 #  define S_IROTH		0004
2688 # endif /* ! S_IROTH */
2689 # ifndef S_IWOTH
2690 #  define S_IWOTH		0002
2691 # endif /* ! S_IWOTH */
2692 
2693 /* close-on-exec flag */
2694 # ifndef FD_CLOEXEC
2695 #  define FD_CLOEXEC	1
2696 # endif /* ! FD_CLOEXEC */
2697 
2698 /*
2699 **  Older systems don't have this error code -- it should be in
2700 **  /usr/include/sysexits.h.
2701 */
2702 
2703 # ifndef EX_CONFIG
2704 #  define EX_CONFIG	78	/* configuration error */
2705 # endif /* ! EX_CONFIG */
2706 
2707 /* pseudo-codes */
2708 # define EX_QUIT	22	/* drop out of server immediately */
2709 # define EX_RESTART	23	/* restart sendmail daemon */
2710 # define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2711 
2712 #ifndef EX_NOTFOUND
2713 # define EX_NOTFOUND	EX_NOHOST
2714 #endif /* ! EX_NOTFOUND */
2715 
2716 /* pseudo-code used for mci_setstat */
2717 # define EX_NOTSTICKY	(-5)	/* don't save persistent status */
2718 
2719 
2720 /*
2721 **  An "impossible" file mode to indicate that the file does not exist.
2722 */
2723 
2724 # define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2725 
2726 
2727 /* type of arbitrary pointer */
2728 # ifndef ARBPTR_T
2729 #  define ARBPTR_T	void *
2730 # endif /* ! ARBPTR_T */
2731 
2732 # ifndef __P
2733 #  include "sm/cdefs.h"
2734 # endif /* ! __P */
2735 
2736 # if HESIOD && !defined(NAMED_BIND)
2737 #  define NAMED_BIND	1	/* not one without the other */
2738 # endif /* HESIOD && !defined(NAMED_BIND) */
2739 
2740 #  if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2741 extern int	h_errno;
2742 #  endif /* NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) */
2743 
2744 # if NEEDPUTENV
2745 extern int	putenv __P((char *));
2746 # endif /* NEEDPUTENV */
2747 
2748 #if !HASUNSETENV
2749 extern void	unsetenv __P((char *));
2750 #endif /* !HASUNSETENV */
2751 
2752 # ifdef LDAPMAP
2753 #  include <sys/time.h>
2754 #  include <lber.h>
2755 #  include <ldap.h>
2756 
2757 /* Some LDAP constants */
2758 #  define LDAPMAP_FALSE		0
2759 #  define LDAPMAP_TRUE		1
2760 
2761 /*
2762 **  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2763 **  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2764 **  and assume (falsely) that all old API implementations are broken.
2765 **  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2766 */
2767 
2768 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2769 #   define USE_LDAP_INIT	1
2770 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) */
2771 
2772 /*
2773 **  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2774 **  hence ldap_set_option() must not exist.
2775 */
2776 
2777 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2778 #   define USE_LDAP_SET_OPTION	1
2779 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) */
2780 
2781 # endif /* LDAPMAP */
2782 
2783 # if HASUNAME
2784 #  include <sys/utsname.h>
2785 #  ifdef newstr
2786 #   undef newstr
2787 #  endif /* newstr */
2788 # else /* HASUNAME */
2789 #  define NODE_LENGTH 32
2790 struct utsname
2791 {
2792 	char nodename[NODE_LENGTH + 1];
2793 };
2794 # endif /* HASUNAME */
2795 
2796 # if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2797 #  define MAXHOSTNAMELEN	256
2798 # endif /* !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) */
2799 
2800 # if !defined(SIGCHLD) && defined(SIGCLD)
2801 #  define SIGCHLD	SIGCLD
2802 # endif /* !defined(SIGCHLD) && defined(SIGCLD) */
2803 
2804 # ifndef STDIN_FILENO
2805 #  define STDIN_FILENO	0
2806 # endif /* ! STDIN_FILENO */
2807 
2808 # ifndef STDOUT_FILENO
2809 #  define STDOUT_FILENO	1
2810 # endif /* ! STDOUT_FILENO */
2811 
2812 # ifndef STDERR_FILENO
2813 #  define STDERR_FILENO	2
2814 # endif /* ! STDERR_FILENO */
2815 
2816 # ifndef LOCK_SH
2817 #  define LOCK_SH	0x01	/* shared lock */
2818 #  define LOCK_EX	0x02	/* exclusive lock */
2819 #  define LOCK_NB	0x04	/* non-blocking lock */
2820 #  define LOCK_UN	0x08	/* unlock */
2821 # endif /* ! LOCK_SH */
2822 
2823 # ifndef S_IXOTH
2824 #  define S_IXOTH	(S_IEXEC >> 6)
2825 # endif /* ! S_IXOTH */
2826 
2827 # ifndef S_IXGRP
2828 #  define S_IXGRP	(S_IEXEC >> 3)
2829 # endif /* ! S_IXGRP */
2830 
2831 # ifndef S_IXUSR
2832 #  define S_IXUSR	(S_IEXEC)
2833 # endif /* ! S_IXUSR */
2834 
2835 #ifndef O_ACCMODE
2836 # define O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
2837 #endif /* ! O_ACCMODE */
2838 
2839 # ifndef SEEK_SET
2840 #  define SEEK_SET	0
2841 #  define SEEK_CUR	1
2842 #  define SEEK_END	2
2843 # endif /* ! SEEK_SET */
2844 
2845 # ifndef SIG_ERR
2846 #  define SIG_ERR	((void (*)()) -1)
2847 # endif /* ! SIG_ERR */
2848 
2849 # ifndef WEXITSTATUS
2850 #  define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2851 # endif /* ! WEXITSTATUS */
2852 # ifndef WIFEXITED
2853 #  define WIFEXITED(st)		(((st) & 0377) == 0)
2854 # endif /* ! WIFEXITED */
2855 # ifndef WIFSTOPPED
2856 #  define WIFSTOPPED(st)		(((st) & 0100) == 0)
2857 # endif /* ! WIFSTOPPED */
2858 # ifndef WCOREDUMP
2859 #  define WCOREDUMP(st)		(((st) & 0200) != 0)
2860 # endif /* ! WCOREDUMP */
2861 # ifndef WTERMSIG
2862 #  define WTERMSIG(st)		(((st) & 0177))
2863 # endif /* ! WTERMSIG */
2864 
2865 # ifndef SIGFUNC_DEFINED
2866 typedef void		(*sigfunc_t) __P((int));
2867 # endif /* ! SIGFUNC_DEFINED */
2868 # ifndef SIGFUNC_RETURN
2869 #  define SIGFUNC_RETURN
2870 # endif /* ! SIGFUNC_RETURN */
2871 # ifndef SIGFUNC_DECL
2872 #  define SIGFUNC_DECL	void
2873 # endif /* ! SIGFUNC_DECL */
2874 
2875 /* size of syslog buffer */
2876 # ifndef SYSLOG_BUFSIZE
2877 #  define SYSLOG_BUFSIZE	1024
2878 # endif /* ! SYSLOG_BUFSIZE */
2879 
2880 /* for FD_SET() */
2881 #ifndef FD_SETSIZE
2882 # define FD_SETSIZE	256
2883 #endif /* ! FD_SETSIZE */
2884 
2885 /*
2886 **  Size of prescan buffer.
2887 **	Despite comments in the _sendmail_ book, this probably should
2888 **	not be changed; there are some hard-to-define dependencies.
2889 */
2890 
2891 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2892 
2893 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
2894 # ifndef FORK
2895 #  define FORK		fork		/* function to call to fork mailer */
2896 # endif /* ! FORK */
2897 
2898 /* setting h_errno */
2899 # ifndef SM_SET_H_ERRNO
2900 #  define SM_SET_H_ERRNO(err)	h_errno = (err)
2901 # endif /* SM_SET_H_ERRNO */
2902 
2903 # ifndef SM_CONF_GETOPT
2904 #  define SM_CONF_GETOPT	1
2905 # endif /* ! SM_CONF_GETOPT */
2906 
2907 /* random routine -- set above using #ifdef _osname_ or in Makefile */
2908 # if HASRANDOM
2909 #  define get_random()	random()
2910 # else /* HASRANDOM */
2911 #  define get_random()	((long) rand())
2912 #  ifndef RANDOMSHIFT
2913 #   define RANDOMSHIFT	8
2914 #  endif /* ! RANDOMSHIFT */
2915 # endif /* HASRANDOM */
2916 
2917 /*
2918 **  Default to using scanf in readcf.
2919 */
2920 
2921 # ifndef SCANF
2922 #  define SCANF		1
2923 # endif /* ! SCANF */
2924 
2925 /* XXX  32 bit type */
2926 # ifndef SM_INT32
2927 #  define SM_INT32	int32_t
2928 # endif /* ! SM_INT32 */
2929 
2930 /*
2931 **  SVr4 and similar systems use different routines for setjmp/longjmp
2932 **  with signal support
2933 */
2934 
2935 # if USE_SIGLONGJMP
2936 #  ifdef jmp_buf
2937 #   undef jmp_buf
2938 #  endif /* jmp_buf */
2939 #  define jmp_buf		sigjmp_buf
2940 #  ifdef setjmp
2941 #   undef setjmp
2942 #  endif /* setjmp */
2943 #  define setjmp(env)		sigsetjmp(env, 1)
2944 #  ifdef longjmp
2945 #   undef longjmp
2946 #  endif /* longjmp */
2947 #  define longjmp(env, val)	siglongjmp(env, val)
2948 # endif /* USE_SIGLONGJMP */
2949 
2950 # if !defined(NGROUPS_MAX) && defined(NGROUPS)
2951 #  define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
2952 # endif /* !defined(NGROUPS_MAX) && defined(NGROUPS) */
2953 
2954 /*
2955 **  Some snprintf() implementations are rumored not to NUL terminate.
2956 */
2957 # if SNPRINTF_IS_BROKEN
2958 #  ifdef snprintf
2959 #   undef snprintf
2960 #  endif /* snprintf */
2961 #  define snprintf	sm_snprintf
2962 #  ifdef vsnprintf
2963 #   undef vsnprintf
2964 #  endif /* vsnprintf */
2965 #  define vsnprintf	sm_vsnprintf
2966 # endif /* SNPRINTF_IS_BROKEN */
2967 
2968 /*
2969 **  If we don't have a system syslog, simulate it.
2970 */
2971 
2972 # if !LOG
2973 #  define LOG_EMERG	0	/* system is unusable */
2974 #  define LOG_ALERT	1	/* action must be taken immediately */
2975 #  define LOG_CRIT	2	/* critical conditions */
2976 #  define LOG_ERR	3	/* error conditions */
2977 #  define LOG_WARNING	4	/* warning conditions */
2978 #  define LOG_NOTICE	5	/* normal but significant condition */
2979 #  define LOG_INFO	6	/* informational */
2980 #  define LOG_DEBUG	7	/* debug-level messages */
2981 # endif /* !LOG */
2982 
2983 # ifndef SM_CONF_SYSLOG
2984 #  define SM_CONF_SYSLOG 1	/* syslog.h has prototype for syslog() */
2985 # endif /* SM_CONF_SYSLOG */
2986 
2987 # if !SM_CONF_SYSLOG
2988 #   ifdef __STDC__
2989 extern void	syslog(int, const char *, ...);
2990 #   else /* __STDC__ */
2991 extern void	syslog();
2992 #   endif /* __STDC__ */
2993 # endif /* !SM_CONF_SYSLOG */
2994 
2995 /* portable(?) definition for alignment */
2996 # ifndef SM_ALIGN_SIZE
2997 struct sm_align
2998 {
2999 	char al_c;
3000 	union
3001 	{
3002 		long	al_l;
3003 		void	*al_p;
3004 		double	al_d;
3005 		void	(*al_f) __P((void));
3006 	} al_u;
3007 };
3008 #  define SM_ALIGN_SIZE offsetof(struct sm_align, al_u)
3009 # endif /* ! SM_ALIGN_SIZE */
3010 # define SM_ALIGN_BITS (SM_ALIGN_SIZE - 1)
3011 
3012 #endif /* ! SM_CONF_H */
3013