xref: /csrg-svn/usr.sbin/sendmail/src/conf.h (revision 69882)
1 /*
2  * Copyright (c) 1983, 1995 Eric P. Allman
3  * Copyright (c) 1988, 1993
4  *	The Regents of the University of California.  All rights reserved.
5  *
6  * %sccs.include.redist.c%
7  *
8  *	@(#)conf.h	8.189 (Berkeley) 06/13/95
9  */
10 
11 /*
12 **  CONF.H -- All user-configurable parameters for sendmail
13 **
14 **	Send updates to sendmail@CS.Berkeley.EDU so they will be
15 **	included in the next release.
16 */
17 
18 struct rusage;	/* forward declaration to get gcc to shut up in wait.h */
19 
20 # include <sys/param.h>
21 # include <sys/types.h>
22 # include <sys/stat.h>
23 # include <sys/file.h>
24 # include <sys/wait.h>
25 # include <fcntl.h>
26 # include <signal.h>
27 # include <netdb.h>
28 # include <pwd.h>
29 
30 /**********************************************************************
31 **  Table sizes, etc....
32 **	There shouldn't be much need to change these....
33 **********************************************************************/
34 
35 # define MAXLINE	2048		/* max line length */
36 # define MAXNAME	256		/* max length of a name */
37 # define MAXPV		40		/* max # of parms to mailers */
38 # define MAXATOM	200		/* max atoms per address */
39 # define MAXMAILERS	25		/* maximum mailers known to system */
40 # define MAXRWSETS	200		/* max # of sets of rewriting rules */
41 # define MAXPRIORITIES	25		/* max values for Precedence: field */
42 # define MAXMXHOSTS	20		/* max # of MX records */
43 # define SMTPLINELIM	990		/* maximum SMTP line length */
44 # define MAXKEY		128		/* maximum size of a database key */
45 # define MEMCHUNKSIZE	1024		/* chunk size for memory allocation */
46 # define MAXUSERENVIRON	100		/* max envars saved, must be >= 3 */
47 # define MAXALIASDB	12		/* max # of alias databases */
48 # define MAXMAPSTACK	12		/* max # of stacked or sequenced maps */
49 # define MAXTOCLASS	8		/* max # of message timeout classes */
50 # define MAXMIMEARGS	20		/* max args in Content-Type: */
51 # define MAXMIMENESTING	20		/* max MIME multipart nesting */
52 # define QUEUESEGSIZE	1000		/* increment for queue size */
53 
54 /**********************************************************************
55 **  Compilation options.
56 **	#define these to 1 if they are available;
57 **	#define them to 0 otherwise.
58 **  All can be overridden from Makefile.
59 **********************************************************************/
60 
61 # ifndef NETINET
62 #  define NETINET	1	/* include internet support */
63 # endif
64 
65 # ifndef NAMED_BIND
66 #  define NAMED_BIND	1	/* use Berkeley Internet Domain Server */
67 # endif
68 
69 # ifndef XDEBUG
70 #  define XDEBUG	1	/* enable extended debugging */
71 # endif
72 
73 # ifndef MATCHGECOS
74 #  define MATCHGECOS	1	/* match user names from gecos field */
75 # endif
76 
77 # ifndef DSN
78 #  define DSN		1	/* include delivery status notification code */
79 # endif
80 
81 # if !defined(USERDB) && (defined(NEWDB) || defined(HESIOD))
82 #  define USERDB	1	/* look in user database */
83 # endif
84 
85 # ifndef MIME8TO7
86 #  define MIME8TO7	1	/* 8->7 bit MIME conversions */
87 # endif
88 
89 # ifndef MIME7TO8
90 #  define MIME7TO8	1	/* 7->8 bit MIME conversions */
91 # endif
92 
93 /**********************************************************************
94 **  "Hard" compilation options.
95 **	#define these if they are available; comment them out otherwise.
96 **  These cannot be overridden from the Makefile, and should really not
97 **  be turned off unless absolutely necessary.
98 **********************************************************************/
99 
100 # define LOG			/* enable logging -- don't turn off */
101 
102 /**********************************************************************
103 **  End of site-specific configuration.
104 **********************************************************************/
105 /*
106 **  General "standard C" defines.
107 **
108 **	These may be undone later, to cope with systems that claim to
109 **	be Standard C but aren't.  Gcc is the biggest offender -- it
110 **	doesn't realize that the library is part of the language.
111 **
112 **	Life would be much easier if we could get rid of this sort
113 **	of bozo problems.
114 */
115 
116 #ifdef __STDC__
117 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
118 #endif
119 
120 /*
121 **  Assume you have standard calls; can be #undefed below if necessary.
122 */
123 
124 # define HASLSTAT	1	/* has lstat(2) call */
125 /**********************************************************************
126 **  Operating system configuration.
127 **
128 **	Unless you are porting to a new OS, you shouldn't have to
129 **	change these.
130 **********************************************************************/
131 
132 /*
133 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
134 **
135 **	If V4FS is defined, compile for HP-UX 10.0.
136 */
137 
138 #ifdef __hpux
139 		/* common definitions for HP-UX 9.x and 10.x */
140 # undef m_flags		/* conflict between db.h & sys/sysmacros.h on HP 300 */
141 # define SYSTEM5	1	/* include all the System V defines */
142 # define HASINITGROUPS	1	/* has initgroups(3) call */
143 # define USESETEUID	1	/* has useable seteuid(2) call */
144 # define seteuid(e)	setresuid(-1, e, -1)
145 # define IP_SRCROUTE	1	/* can check IP source routing */
146 # define LA_TYPE	LA_HPUX
147 # define SPT_TYPE	SPT_PSTAT
148 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
149 # define GIDSET_T	gid_t
150 # ifndef HASGETUSERSHELL
151 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
152 # endif
153 # define syslog		hard_syslog
154 # ifdef __STDC__
155 extern void	hard_syslog(int, char *, ...);
156 # endif
157 
158 # ifdef V4FS
159 		/* HP-UX 10.x */
160 #  define _PATH_UNIX	"/stand/vmunix"
161 #  ifndef _PATH_SENDMAILCF
162 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
163 #  endif
164 #  ifndef _PATH_SENDMAILPID
165 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
166 #  endif
167 #  ifndef IDENTPROTO
168 #   define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
169 #  endif
170 
171 # else
172 		/* HP-UX 9.x */
173 #  define _PATH_UNIX	"/hp-ux"
174 #  ifndef _PATH_SENDMAILCF
175 #   define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
176 #  endif
177 #  ifndef IDENTPROTO
178 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
179 #  endif
180 # endif
181 
182 #endif
183 
184 
185 /*
186 **  IBM AIX 3.x -- actually tested for 3.2.3
187 */
188 
189 #ifdef _AIX3
190 # include <paths.h>
191 # define HASINITGROUPS	1	/* has initgroups(3) call */
192 # define HASUNAME	1	/* use System V uname(2) system call */
193 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
194 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
195 # define FORK		fork	/* no vfork primitive available */
196 # define GIDSET_T	gid_t
197 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
198 # define SPT_PADCHAR	'\0'	/* pad process title with nulls */
199 # define LA_TYPE	LA_INT
200 # define LA_AVENRUN	"avenrun"
201 #endif
202 
203 
204 /*
205 **  Silicon Graphics IRIX
206 **
207 **	Compiles on 4.0.1.
208 **
209 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
210 **	Use IRIX5 instead of IRIX for IRIX 5.x.
211 **
212 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
213 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
214 */
215 
216 #if defined(IRIX64) || defined(IRIX5)
217 # define IRIX
218 #endif
219 
220 #ifdef IRIX
221 # define SYSTEM5	1	/* this is a System-V derived system */
222 # define HASSETREUID	1	/* has setreuid(2) call */
223 # define HASINITGROUPS	1	/* has initgroups(3) call */
224 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
225 # define IP_SRCROUTE	1	/* can check IP source routing */
226 # define FORK		fork	/* no vfork primitive available */
227 # define setpgid	BSDsetpgrp
228 # define GIDSET_T	gid_t
229 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
230 # define SFS_BAVAIL	f_bfree		/* alternate field name */
231 # define LA_TYPE	LA_INT
232 # ifdef IRIX64
233 #  define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
234 # else
235 #  define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
236 # endif
237 # if defined(IRIX64) || defined(IRIX5)
238 #  define ARGV_T	char *const *
239 #  define HASSETRLIMIT	1	/* has setrlimit(2) syscall */
240 # else
241 #  define ARGV_T	const char **
242 #  define WAITUNION	1	/* use "union wait" as wait argument type */
243 # endif
244 #endif
245 
246 
247 /*
248 **  SunOS and Solaris
249 **
250 **	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
251 **	Solaris 2.4 (a.k.a. SunOS 5.4).
252 */
253 
254 #if defined(sun) && !defined(BSD)
255 
256 # define HASINITGROUPS	1	/* has initgroups(3) call */
257 # define HASUNAME	1	/* use System V uname(2) system call */
258 # define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
259 # define IP_SRCROUTE	1	/* can check IP source routing */
260 # define LA_TYPE	LA_INT
261 
262 # ifdef SOLARIS_2_3
263 #  define SOLARIS	203	/* for back compat only -- use -DSOLARIS=203 */
264 # endif
265 
266 # ifdef SOLARIS
267 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
268 #  ifndef __svr4__
269 #   define __svr4__		/* use all System V Releae 4 defines below */
270 #  endif
271 #  include <sys/time.h>
272 #  define GIDSET_T	gid_t
273 #  ifndef _PATH_UNIX
274 #   define _PATH_UNIX	"/dev/ksyms"
275 #  endif
276 #  ifndef _PATH_SENDMAILCF
277 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
278 #  endif
279 #  ifndef _PATH_SENDMAILPID
280 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
281 #  endif
282 #  ifndef _PATH_HOSTS
283 #   define _PATH_HOSTS		"/etc/inet/hosts"
284 #  endif
285 #  ifndef SYSLOG_BUFSIZE
286 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
287 #  endif
288 
289 # else
290 			/* SunOS 4.0.3 or 4.1.x */
291 #  define HASSETREUID	1	/* has setreuid(2) call */
292 #  ifndef HASFLOCK
293 #   define HASFLOCK	1	/* has flock(2) call */
294 #  endif
295 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
296 #  include <vfork.h>
297 
298 #  ifdef SUNOS403
299 			/* special tweaking for SunOS 4.0.3 */
300 #   include <malloc.h>
301 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
302 #   define NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
303 #   define WAITUNION	1	/* use "union wait" as wait argument type */
304 #   undef WIFEXITED
305 #   undef WEXITSTATUS
306 #   undef HASUNAME
307 #   define setpgid	setpgrp
308 typedef int		pid_t;
309 extern char		*getenv();
310 
311 #  else
312 			/* 4.1.x specifics */
313 #   define HASSETSID	1	/* has Posix setsid(2) call */
314 #   define HASSETVBUF	1	/* we have setvbuf(3) in libc */
315 
316 #  endif
317 # endif
318 #endif
319 
320 /*
321 **  DG/UX
322 **
323 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
324 **	older support.
325 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
326 */
327 
328 #ifdef DGUX_5_4_2
329 # define DGUX		1
330 #endif
331 
332 #ifdef	DGUX
333 # define SYSTEM5	1
334 # define LA_TYPE	LA_DGUX
335 # define HASSETREUID	1	/* has setreuid(2) call */
336 # define HASUNAME	1	/* use System V uname(2) system call */
337 # define HASSETSID	1	/* has Posix setsid(2) call */
338 # define HASINITGROUPS	1	/* has initgroups(3) call */
339 # define HASGETUSERSHELL 0	/* does not have getusershell(3) */
340 # ifndef IDENTPROTO
341 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
342 # endif
343 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
344 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
345 
346 /* these include files must be included early on DG/UX */
347 # include <netinet/in.h>
348 # include <arpa/inet.h>
349 
350 # ifdef DGUX_5_4_2
351 #  define inet_addr	dgux_inet_addr
352 extern long	dgux_inet_addr();
353 # endif
354 #endif
355 
356 
357 /*
358 **  Digital Ultrix 4.2A or 4.3
359 **
360 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
361 **	not dropped when the process exits.  This causes major problems,
362 **	so flock is the only alternative.
363 */
364 
365 #ifdef ultrix
366 # define HASSETREUID	1	/* has setreuid(2) call */
367 # define HASUNSETENV	1	/* has unsetenv(3) call */
368 # define HASINITGROUPS	1	/* has initgroups(3) call */
369 # define HASUNAME	1	/* use System V uname(2) system call */
370 # ifndef HASFLOCK
371 #  define HASFLOCK	1	/* has flock(2) call */
372 # endif
373 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
374 # ifndef BROKEN_RES_SEARCH
375 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
376 # endif
377 # ifdef vax
378 #  define LA_TYPE	LA_FLOAT
379 # else
380 #  define LA_TYPE	LA_INT
381 #  define LA_AVENRUN	"avenrun"
382 # endif
383 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
384 # ifndef IDENTPROTO
385 #  define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
386 # endif
387 #endif
388 
389 
390 /*
391 **  OSF/1 for Intel Paragon.
392 **
393 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
394 **	of Intel Scalable Systems Divison.
395 */
396 
397 #ifdef __PARAGON__
398 # define __osf__	1	/* get OSF/1 defines below */
399 # ifndef _PATH_SENDMAILCF
400 #  define _PATH_SENDMAILCF	"/var/adm/sendmail/sendmail.cf"
401 # endif
402 #endif
403 
404 
405 /*
406 **  OSF/1 (tested on Alpha)
407 */
408 
409 #ifdef __osf__
410 # define HASUNSETENV	1	/* has unsetenv(3) call */
411 # define USESETEUID	1	/* has useable seteuid(2) call */
412 # define HASINITGROUPS	1	/* has initgroups(3) call */
413 # define IP_SRCROUTE	1	/* can check IP source routing */
414 # ifndef HASFLOCK
415 #  define HASFLOCK	1	/* has flock(2) call */
416 # endif
417 # define LA_TYPE	LA_INT
418 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
419 # ifndef _PATH_SENDMAILPID
420 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
421 # endif
422 #endif
423 
424 
425 /*
426 **  NeXTstep
427 */
428 
429 #ifdef NeXT
430 # define HASINITGROUPS	1	/* has initgroups(3) call */
431 # define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
432 # ifndef HASFLOCK
433 #  define HASFLOCK	1	/* has flock(2) call */
434 # endif
435 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
436 # define WAITUNION	1	/* use "union wait" as wait argument type */
437 # define UID_T		int	/* compiler gripes on uid_t */
438 # define sleep		sleepX
439 # define setpgid	setpgrp
440 # ifndef LA_TYPE
441 #  define LA_TYPE	LA_MACH
442 # endif
443 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
444 # ifndef _POSIX_SOURCE
445 typedef int		pid_t;
446 #  undef WEXITSTATUS
447 #  undef WIFEXITED
448 # endif
449 # ifndef _PATH_SENDMAILCF
450 #  define _PATH_SENDMAILCF	"/etc/sendmail/sendmail.cf"
451 # endif
452 # ifndef _PATH_SENDMAILPID
453 #  define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
454 # endif
455 #endif
456 
457 
458 /*
459 **  4.4 BSD
460 **
461 **	See also BSD defines.
462 */
463 
464 #if defined(BSD4_4) && !defined(__bsdi__)
465 # define HASUNSETENV	1	/* has unsetenv(3) call */
466 # define USESETEUID	1	/* has useable seteuid(2) call */
467 # include <sys/cdefs.h>
468 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
469 # define BSD4_4_SOCKADDR	/* has sa_len */
470 # define NETLINK	1	/* supports AF_LINK */
471 # ifndef LA_TYPE
472 #  define LA_TYPE	LA_SUBR
473 # endif
474 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
475 # define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
476 #endif
477 
478 
479 /*
480 **  BSD/386 (all versions)
481 **	From Tony Sanders, BSDI
482 */
483 
484 #ifdef __bsdi__
485 # define HASUNSETENV	1	/* has the unsetenv(3) call */
486 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
487 # define USESETEUID	1	/* has useable seteuid(2) call */
488 # include <sys/cdefs.h>
489 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
490 # define BSD4_4_SOCKADDR	/* has sa_len */
491 # define NETLINK	1	/* supports AF_LINK */
492 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
493 # ifndef LA_TYPE
494 #  define LA_TYPE	LA_SUBR
495 # endif
496 # define GIDSET_T	gid_t
497 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
498 			/* version 1.1 or later */
499 #  undef SPT_TYPE
500 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
501 # else
502 			/* version 1.0 or earlier */
503 #  ifndef OLD_NEWDB
504 #   define OLD_NEWDB	1	/* old version of newdb library */
505 #  endif
506 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
507 # endif
508 #endif
509 
510 
511 
512 /*
513 **  FreeBSD / NetBSD (all architectures, all versions)
514 **
515 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
516 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
517 **
518 **	See also BSD defines.
519 */
520 
521 #if defined(__FreeBSD__) || defined(__NetBSD__)
522 # define HASUNSETENV	1	/* has unsetenv(3) call */
523 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
524 # define USESETEUID	1	/* has useable seteuid(2) call */
525 # define HASUNAME	1	/* has uname(2) syscall */
526 # include <sys/cdefs.h>
527 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
528 # define BSD4_4_SOCKADDR	/* has sa_len */
529 # define NETLINK	1	/* supports AF_LINK */
530 # define GIDSET_T	gid_t
531 # ifndef LA_TYPE
532 #  define LA_TYPE	LA_SUBR
533 # endif
534 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
535 #endif
536 
537 
538 /*
539 **  Mach386
540 **
541 **	For mt Xinu's Mach386 system.
542 */
543 
544 #if defined(MACH) && defined(i386)
545 # define MACH386	1
546 # define HASUNSETENV	1	/* has unsetenv(3) call */
547 # define HASINITGROUPS	1	/* has initgroups(3) call */
548 # ifndef HASFLOCK
549 #  define HASFLOCK	1	/* has flock(2) call */
550 # endif
551 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
552 # define NEEDSTRTOL	1	/* need the strtol() function */
553 # define setpgid	setpgrp
554 # ifndef LA_TYPE
555 #  define LA_TYPE	LA_FLOAT
556 # endif
557 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
558 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
559 # undef WEXITSTATUS
560 # undef WIFEXITED
561 # ifndef _PATH_SENDMAILCF
562 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
563 # endif
564 # ifndef _PATH_SENDMAILPID
565 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
566 # endif
567 #endif
568 
569 
570 /*
571 **  4.3 BSD -- this is for very old systems
572 **
573 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
574 **
575 **	You'll also have to install a new resolver library.
576 **	I don't guarantee that support for this environment is complete.
577 */
578 
579 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
580 # define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
581 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
582 # define ARBPTR_T	char *
583 # define setpgid	setpgrp
584 # ifndef LA_TYPE
585 #  define LA_TYPE	LA_FLOAT
586 # endif
587 # ifndef _PATH_SENDMAILCF
588 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
589 # endif
590 # ifndef IDENTPROTO
591 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
592 # endif
593 # undef WEXITSTATUS
594 # undef WIFEXITED
595 typedef short		pid_t;
596 extern int		errno;
597 #endif
598 
599 
600 /*
601 **  SCO Unix
602 **
603 **	This includes two parts -- the first is for SCO Open Server 3.2v4
604 **	(contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
605 **	The second is, I believe, for an older version.
606 */
607 
608 #ifdef _SCO_unix_4_2
609 # define _SCO_unix_
610 # define HASSETREUID	1	/* has setreuid(2) call */
611 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
612 # define _PATH_UNIX	"/unix"
613 # ifndef _PATH_SENDMAILCF
614 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
615 # endif
616 # ifndef _PATH_SENDMAILPID
617 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
618 # endif
619 #endif
620 
621 #ifdef _SCO_unix_
622 # define SYSTEM5	1	/* include all the System V defines */
623 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
624 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
625 # define FORK		fork
626 # define MAXPATHLEN	PATHSIZE
627 # define LA_TYPE	LA_SHORT
628 # define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
629 # define SFS_BAVAIL	f_bfree		/* alternate field name */
630 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
631 # define NETUNIX	0	/* no unix domain socket support */
632 #endif
633 
634 
635 /*
636 **  ISC (SunSoft) Unix.
637 **
638 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
639 */
640 
641 #ifdef ISC_UNIX
642 # include <net/errno.h>
643 # include <sys/stream.h>	/* needed for IP_SRCROUTE */
644 # include <sys/bsdtypes.h>
645 # define SYSTEM5	1	/* include all the System V defines */
646 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
647 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
648 # define HASSETREUID	1	/* has setreuid(2) call */
649 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
650 # define NETUNIX	0	/* no unix domain socket support */
651 # define FORK		fork
652 # define MAXPATHLEN	1024
653 # define LA_TYPE	LA_SHORT
654 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
655 # define SFS_BAVAIL	f_bfree		/* alternate field name */
656 # define _PATH_UNIX	"/unix"
657 # ifndef _PATH_SENDMAILCF
658 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
659 # endif
660 # ifndef _PATH_SENDMAILPID
661 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
662 # endif
663 
664 typedef short		pid_t;
665 
666 #endif
667 
668 
669 /*
670 **  Altos System V.
671 **	Contributed by Tim Rice <timr@crl.com>.
672 */
673 
674 #ifdef ALTOS_SYS_V
675 # include <limits.h>
676 # define SYSTEM5	1	/* include all the System V defines */
677 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
678 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
679 # define WAITUNION	1	/* use "union wait" as wait argument type */
680 # define NEEDFSYNC	1	/* no fsync(2) in system library */
681 # define FORK		fork
682 # define MAXPATHLEN	PATHSIZE
683 # define LA_TYPE	LA_SHORT
684 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
685 # define SFS_BAVAIL	f_bfree		/* alternate field name */
686 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
687 # define NETUNIX	0	/* no unix domain socket support */
688 # undef WIFEXITED
689 # undef WEXITSTATUS
690 # define strtoul	strtol	/* gcc library bogosity */
691 
692 typedef unsigned short	uid_t;
693 typedef unsigned short	gid_t;
694 typedef short		pid_t;
695 #endif
696 
697 
698 /*
699 **  ConvexOS 11.0 and later
700 **
701 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
702 **	works on 9.1 as well.
703 */
704 
705 #ifdef _CONVEX_SOURCE
706 # define BSD		1	/* include all the BSD defines */
707 # define HASUNAME	1	/* use System V uname(2) system call */
708 # define HASSETSID	1	/* has POSIX setsid(2) call */
709 # define NEEDGETOPT	1	/* need replacement for getopt(3) */
710 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
711 # define LA_TYPE	LA_FLOAT
712 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
713 # ifndef _PATH_SENDMAILCF
714 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
715 # endif
716 # ifndef S_IREAD
717 #  define S_IREAD	_S_IREAD
718 #  define S_IWRITE	_S_IWRITE
719 #  define S_IEXEC	_S_IEXEC
720 #  define S_IFMT	_S_IFMT
721 #  define S_IFCHR	_S_IFCHR
722 #  define S_IFBLK	_S_IFBLK
723 # endif
724 # ifndef IDENTPROTO
725 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
726 # endif
727 #endif
728 
729 
730 /*
731 **  RISC/os 4.52
732 **
733 **	Gives a ton of warning messages, but otherwise compiles.
734 */
735 
736 #ifdef RISCOS
737 
738 # define HASUNSETENV	1	/* has unsetenv(3) call */
739 # ifndef HASFLOCK
740 #  define HASFLOCK	1	/* has flock(2) call */
741 # endif
742 # define WAITUNION	1	/* use "union wait" as wait argument type */
743 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
744 # define LA_TYPE	LA_INT
745 # define LA_AVENRUN	"avenrun"
746 # define _PATH_UNIX	"/unix"
747 # undef WIFEXITED
748 
749 # define setpgid	setpgrp
750 
751 extern int		errno;
752 typedef int		pid_t;
753 #define			SIGFUNC_DEFINED
754 typedef int		(*sigfunc_t)();
755 extern char		*getenv();
756 extern void		*malloc();
757 
758 #endif
759 
760 
761 /*
762 **  Linux 0.99pl10 and above...
763 **
764 **  Thanks to, in reverse order of contact:
765 **
766 **	John Kennedy <warlock@csuchico.edu>
767 **	Andrew Pam <avatar@aus.xanadu.com>
768 **	Florian La Roche <rzsfl@rz.uni-sb.de>
769 **	Karl London <karl@borg.demon.co.uk>
770 **
771 **  Last compiled against:	[05/25/95 @ 11:39:31 AM (Thursday)]
772 **	sendmail 8.7.b.0	named 4.9.3-beta17	db-1.85
773 **	gcc 2.6.4-950518	libc-5.0.9		linux 1.2.8
774 */
775 
776 #ifdef __linux__
777 # define BSD		1	/* include BSD defines */
778 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
779 # define HASUNAME	1	/* use System V uname(2) system call */
780 # define HASUNSETENV	1	/* has unsetenv(3) call */
781 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
782 # define GIDSET_T	gid_t	/* from <linux/types.h> */
783 # define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
784 # define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
785 # ifndef HASFLOCK
786 #  define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
787 # endif
788 # ifndef LA_TYPE
789 #  define LA_TYPE	LA_PROCSTR
790 # endif
791 # define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
792 # ifndef _PATH_SENDMAILPID
793 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
794 # endif
795 # define TZ_TYPE	TZ_TNAME
796 # include <sys/sysmacros.h>
797 # undef atol			/* wounded in <stdlib.h> */
798 #endif
799 
800 
801 /*
802 **  DELL SVR4 Issue 2.2, and others
803 **	From Kimmo Suominen <kim@grendel.lut.fi>
804 **
805 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
806 **	defined, and the definitions conflict.
807 **
808 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
809 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
810 **	(SVR4.0/386 version 3.0).
811 */
812 
813 #ifdef DELL_SVR4
814 				/* no changes necessary */
815 				/* see general __svr4__ defines below */
816 #endif
817 
818 
819 /*
820 **  Apple A/UX 3.0
821 */
822 
823 #ifdef _AUX_SOURCE
824 # include <sys/sysmacros.h>
825 # define BSD			/* has BSD routines */
826 # define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
827 # define HASUNAME	1	/* use System V uname(2) system call */
828 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
829 # define SIGFUNC_DEFINED	/* sigfunc_t already defined */
830 # ifndef IDENTPROTO
831 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
832 # endif
833 # define FORK		fork
834 # ifndef _PATH_SENDMAILCF
835 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
836 # endif
837 # ifndef LA_TYPE
838 #  define LA_TYPE	LA_ZERO
839 # endif
840 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
841 # undef WIFEXITED
842 # undef WEXITSTATUS
843 #endif
844 
845 
846 /*
847 **  Encore UMAX V
848 **
849 **	Not extensively tested.
850 */
851 
852 #ifdef UMAXV
853 # include <limits.h>
854 # define HASUNAME	1	/* use System V uname(2) system call */
855 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
856 # define HASINITGROUPS	1	/* has initgroups(3) call */
857 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
858 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
859 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
860 # define FORK		fork	/* no vfork(2) primitive available */
861 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
862 # define MAXPATHLEN	PATH_MAX
863 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
864 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
865 # undef WIFEXITED
866 # undef WEXITSTATUS
867 #endif
868 
869 
870 /*
871 **  Stardent Titan 3000 running TitanOS 4.2.
872 **
873 **	Must be compiled in "cc -43" mode.
874 **
875 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
876 **
877 **	Note the tweaking below after the BSD defines are set.
878 */
879 
880 #ifdef titan
881 # define setpgid	setpgrp
882 typedef int		pid_t;
883 # undef WIFEXITED
884 # undef WEXITSTATUS
885 #endif
886 
887 
888 /*
889 **  Sequent DYNIX 3.2.0
890 **
891 **	From Jim Davis <jdavis@cs.arizona.edu>.
892 */
893 
894 #ifdef sequent
895 
896 # define BSD		1
897 # define HASUNSETENV	1
898 # define BSD4_3		1	/* to get signal() in conf.c */
899 # define WAITUNION	1
900 # define LA_TYPE	LA_FLOAT
901 # ifdef	_POSIX_VERSION
902 #  undef _POSIX_VERSION		/* set in <unistd.h> */
903 # endif
904 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
905 # define setpgid	setpgrp
906 
907 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
908 # undef	WIFEXITED
909 # define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
910 			 ((union wait*)&(s))->w_termsig == 0)
911 # define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
912 typedef int		pid_t;
913 # define isgraph(c)	(isprint(c) && (c != ' '))
914 
915 # ifndef IDENTPROTO
916 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
917 # endif
918 
919 # ifndef _PATH_UNIX
920 #  define _PATH_UNIX	"/dynix"
921 # endif
922 # ifndef _PATH_SENDMAILCF
923 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
924 # endif
925 
926 #endif
927 
928 
929 /*
930 **  Sequent DYNIX/ptx v2.0 (and higher)
931 **
932 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
933 **
934 **	From Tim Wright <timw@sequent.com>.
935 */
936 
937 #ifdef _SEQUENT_
938 # define SYSTEM5	1	/* include all the System V defines */
939 # define HASSETSID	1	/* has POSIX setsid(2) call */
940 # define HASINITGROUPS	1	/* has initgroups(3) call */
941 # define HASSETREUID	1	/* has setreuid(2) call */
942 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
943 # define GIDSET_T	gid_t
944 # define LA_TYPE	LA_INT
945 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
946 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
947 # ifndef IDENTPROTO
948 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
949 # endif
950 # ifndef _PATH_SENDMAILCF
951 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
952 # endif
953 # ifndef _PATH_SENDMAILPID
954 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
955 # endif
956 #endif
957 
958 
959 /*
960 **  Cray Unicos
961 **
962 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
963 */
964 
965 #ifdef UNICOS
966 # define SYSTEM5	1	/* include all the System V defines */
967 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
968 # define MAXPATHLEN	PATHSIZE
969 # define LA_TYPE	LA_ZERO
970 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
971 # define SFS_BAVAIL	f_bfree		/* alternate field name */
972 #endif
973 
974 
975 /*
976 **  Apollo DomainOS
977 **
978 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
979 **
980 **  15 Jan 1994
981 **
982 */
983 
984 #ifdef apollo
985 # define HASSETREUID	1	/* has setreuid(2) call */
986 # define HASINITGROUPS	1	/* has initgroups(2) call */
987 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
988 # define LA_TYPE	LA_SUBR		/* use getloadavg.c */
989 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
990 # define SFS_BAVAIL	f_bfree		/* alternate field name */
991 # ifndef _PATH_SENDMAILCF
992 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
993 # endif
994 # ifndef _PATH_SENDMAILPID
995 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
996 # endif
997 # undef  S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
998 # undef  S_IFIFO
999 # define S_IFIFO	0010000
1000 # ifndef IDENTPROTO
1001 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1002 # endif
1003 #endif
1004 
1005 
1006 /*
1007 **  UnixWare 1.1.2.
1008 **
1009 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1010 **	From Evan Champion <evanc@spatial.synapse.org>.
1011 */
1012 
1013 #ifdef UNIXWARE
1014 # include <sys/mkdev.h>
1015 # define SYSTEM5		1
1016 # define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1017 # define HASSETREUID		1
1018 # define HASSETSID		1
1019 # define HASINITGROUPS		1
1020 # define GIDSET_T		gid_t
1021 # define SLEEP_T		unsigned
1022 # define SFS_TYPE		SFS_STATVFS
1023 # define LA_TYPE		LA_ZERO
1024 # undef WIFEXITED
1025 # undef WEXITSTATUS
1026 # define _PATH_UNIX		"/unix"
1027 # ifndef _PATH_SENDMAILCF
1028 #  define _PATH_SENDMAILCF	"/usr/ucblib/sendmail.cf"
1029 # endif
1030 # ifndef _PATH_SENDMAILPID
1031 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1032 # endif
1033 # define SYSLOG_BUFSIZE	128
1034 #endif
1035 
1036 
1037 /*
1038 **  Intergraph CLIX 3.1
1039 **
1040 **	From Paul Southworth <pauls@locust.cic.net>
1041 */
1042 
1043 #ifdef CLIX
1044 # define SYSTEM5	1	/* looks like System V */
1045 # ifndef HASGETUSERSHELL
1046 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1047 # endif
1048 # define DEV_BSIZE	512	/* device block size not defined */
1049 # define GIDSET_T	gid_t
1050 # undef LOG			/* syslog not available */
1051 # define NEEDFSYNC	1	/* no fsync in system library */
1052 # define GETSHORT	_getshort
1053 #endif
1054 
1055 
1056 /*
1057 **  NCR 3000 Series (SysVr4)
1058 **
1059 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1060 */
1061 
1062 #ifdef NCR3000
1063 # include <sys/sockio.h>
1064 # define __svr4__
1065 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1066 # undef BSD
1067 # define LA_AVENRUN	"avenrun"
1068 #endif
1069 
1070 
1071 /*
1072 **  Tandem NonStop-UX SVR4
1073 **
1074 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1075 */
1076 
1077 #ifdef NonStop_UX_BXX
1078 # define __svr4__
1079 #endif
1080 
1081 
1082 /*
1083 **  Hitachi 3050R & 3050RX Workstations running HI-UX/WE2.
1084 **
1085 **	Tested for 1.04 and 1.03
1086 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1087 */
1088 
1089 #ifdef __H3050R
1090 # define SYSTEM5	1	/* include all the System V defines */
1091 # define HASINITGROUPS	1	/* has initgroups(3) call */
1092 # define setreuid(r, e)	setresuid(r, e, -1)
1093 # define LA_TYPE	LA_FLOAT
1094 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1095 # define HASSETVBUF	/* HI-UX has no setlinebuf */
1096 # ifndef GIDSET_T
1097 #  define GIDSET_T	gid_t
1098 # endif
1099 # ifndef _PATH_UNIX
1100 #  define _PATH_UNIX	"/HI-UX"
1101 # endif
1102 # ifndef _PATH_SENDMAILCF
1103 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1104 # endif
1105 # ifndef IDENTPROTO
1106 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1107 # endif
1108 # ifndef HASGETUSERSHELL
1109 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1110 # endif
1111 
1112 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */
1113 # undef m_flags
1114 
1115 # ifdef __STDC__
1116 extern int	syslog(int, char *, ...);
1117 # endif
1118 
1119 #endif
1120 
1121 
1122 /*
1123 **  Amdahl UTS System V 2.1.5 (SVr3-based)
1124 **
1125 **    From: Janet Jackson <janet@dialix.oz.au>.
1126 */
1127 
1128 #ifdef _UTS
1129 # include <sys/sysmacros.h>
1130 # undef HASLSTAT		/* has symlinks, but they cause problems */
1131 # define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
1132 # define SYS5SIGNALS	1	/* System V signal semantics */
1133 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1134 # define HASUNAME	1	/* use System V uname(2) system call */
1135 # define HASINITGROUPS	1	/* has initgroups(3) function */
1136 # define HASSETVBUF	1	/* has setvbuf(3) function */
1137 # define HASSIGSETMASK	0	/* does not have sigsetmask(2) function */
1138 # ifndef HASGETUSERSHELL
1139 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
1140 # endif
1141 # define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
1142 # define LA_TYPE	LA_ZERO		/* doesn't have load average */
1143 # define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
1144 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1145 # define _PATH_UNIX	"/unix"
1146 # ifndef _PATH_SENDMAILCF
1147 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1148 # endif
1149 #endif
1150 
1151 /*
1152 **  Cray Computer Corporation's CSOS
1153 **
1154 **	From Scott Bolte <scott@craycos.com>.
1155 */
1156 
1157 #ifdef _CRAYCOM
1158 # define SYSTEM5	1	/* include all the System V defines */
1159 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1160 # define NEEDFSYNC	1	/* no fsync in system library */
1161 # define MAXPATHLEN	PATHSIZE
1162 # define LA_TYPE	LA_ZERO
1163 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1164 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1165 # define _POSIX_CHOWN_RESTRICTED	-1
1166 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1167 #endif
1168 
1169 
1170 /*
1171 **  Sony NEWS-OS 4.2.1R and 6.0.3
1172 **
1173 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1174 */
1175 
1176 #ifdef sony_news
1177 # ifndef __svr4
1178 			/* NEWS-OS 4.2.1R */
1179 #  ifndef BSD
1180 #   define BSD			/* has BSD routines */
1181 #  endif
1182 #  define HASUNSETENV	1	/* has unsetenv(2) call */
1183 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1184 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1185 #  define LA_TYPE	LA_INT
1186 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1187 #  ifndef HASFLOCK
1188 #   define HASFLOCK	1	/* has flock(2) call */
1189 #  endif
1190 #  define setpgid	setpgrp
1191 #  undef WIFEXITED
1192 #  undef WEXITSTATUS
1193 typedef int		pid_t;
1194 typedef int		(*sigfunc_t)();
1195 #  define SIGFUNC_DEFINED
1196 
1197 # else
1198 			/* NEWS-OS 6.0.3 with /bin/cc */
1199 #  ifndef __svr4__
1200 #   define __svr4__		/* use all System V Releae 4 defines below */
1201 #  endif
1202 #  define HASSETSID	1	/* has Posix setsid(2) call */
1203 #  define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
1204 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1205 #  ifndef SPT_TYPE
1206 #   define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
1207 #  endif
1208 #  define GIDSET_T	gid_t
1209 #  undef WIFEXITED
1210 #  undef WEXITSTATUS
1211 #  ifndef SYSLOG_BUFSIZE
1212 #   define SYSLOG_BUFSIZE	1024
1213 #  endif
1214 #  define _PATH_UNIX  "/stand/unix"
1215 #  ifndef _PATH_SENDMAILCF
1216 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
1217 #  endif
1218 #  ifndef _PATH_SENDMAILPID
1219 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
1220 #  endif
1221 
1222 # endif
1223 #endif
1224 
1225 
1226 /*
1227 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
1228 **
1229 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1230 */
1231 
1232 #ifdef luna
1233 # ifndef IDENTPROTO
1234 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1235 # endif
1236 # ifdef uniosb
1237 #  include <sys/time.h>
1238 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1239 # endif
1240 # define HASUNSETENV	1	/* has unsetenv(2) call */
1241 # define NEEDPUTENV	1	/* need putenv(3) call */
1242 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1243 # define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1244 # define WAITUNION	1	/* use "union wait" as wait argument type */
1245 # ifdef uniosb
1246 #  define LA_TYPE	LA_INT
1247 # endif
1248 # ifdef luna2m
1249 #  define LA_TYPE	LA_SUBR
1250 # endif
1251 # ifdef luna88k
1252 #  define LA_TYPE	LA_INT
1253 # endif
1254 # define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1255 # define setpgid	setpgrp
1256 # undef WIFEXITED
1257 # undef WEXITSTATUS
1258 typedef int		pid_t;
1259 typedef int		(*sigfunc_t)();
1260 # define SIGFUNC_DEFINED
1261 extern char	*getenv();
1262 extern int	errno;
1263 # ifndef _PATH_SENDMAILCF
1264 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1265 # endif
1266 #endif
1267 
1268 
1269 /*
1270 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
1271 **
1272 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1273 */
1274 
1275 #ifdef nec_ews_svr4
1276 # ifndef __svr4__
1277 #  define __svr4__		/* use all System V Releae 4 defines below */
1278 # endif
1279 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1280 # define HASSETSID	1	/* has Posix setsid(2) call */
1281 # define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
1282 # define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
1283 # define GIDSET_T	gid_t
1284 # undef WIFEXITED
1285 # undef WEXITSTATUS
1286 # define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
1287 #endif
1288 
1289 
1290 
1291 /**********************************************************************
1292 **  End of Per-Operating System defines
1293 **********************************************************************/
1294 /**********************************************************************
1295 **  More general defines
1296 **********************************************************************/
1297 
1298 /* general BSD defines */
1299 #ifdef BSD
1300 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1301 # define HASSETREUID	1	/* has setreuid(2) call */
1302 # define HASINITGROUPS	1	/* has initgroups(3) call */
1303 # ifndef IP_SRCROUTE
1304 #  define IP_SRCROUTE	1	/* can check IP source routing */
1305 # endif
1306 # ifndef HASSETRLIMIT
1307 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1308 # endif
1309 # ifndef HASFLOCK
1310 #  define HASFLOCK	1	/* has flock(2) call */
1311 # endif
1312 # ifndef TZ_TYPE
1313 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
1314 # endif
1315 #endif
1316 
1317 /* general System V Release 4 defines */
1318 #ifdef __svr4__
1319 # define SYSTEM5	1
1320 # define USESETEUID	1	/* has useable seteuid(2) call */
1321 # define HASINITGROUPS	1	/* has initgroups(3) call */
1322 #  define BSD_COMP	1	/* get BSD ioctl calls */
1323 # ifndef HASSETRLIMIT
1324 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1325 # endif
1326 # ifndef HASGETUSERSHELL
1327 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1328 # endif
1329 
1330 # ifndef _PATH_UNIX
1331 #  define _PATH_UNIX		"/unix"
1332 # endif
1333 # ifndef _PATH_SENDMAILCF
1334 #  define _PATH_SENDMAILCF	"/usr/ucblib/sendmail.cf"
1335 # endif
1336 # ifndef _PATH_SENDMAILPID
1337 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1338 # endif
1339 # ifndef SYSLOG_BUFSIZE
1340 #  define SYSLOG_BUFSIZE	128
1341 # endif
1342 # ifndef SFS_TYPE
1343 #  define SFS_TYPE		SFS_STATVFS
1344 # endif
1345 #endif
1346 
1347 /* general System V defines */
1348 #ifdef SYSTEM5
1349 # include <sys/sysmacros.h>
1350 # define HASUNAME	1	/* use System V uname(2) system call */
1351 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1352 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1353 # ifndef HASULIMIT
1354 #  define HASULIMIT	1	/* has the ulimit(2) syscall */
1355 # endif
1356 # ifndef LA_TYPE
1357 #  ifdef MIOC_READKSYM
1358 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1359 #  else
1360 #   define LA_TYPE	LA_INT		/* assume integer load average */
1361 #  endif
1362 # endif
1363 # ifndef SFS_TYPE
1364 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
1365 # endif
1366 # ifndef TZ_TYPE
1367 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1368 # endif
1369 # define bcopy(s, d, l)		(memmove((d), (s), (l)))
1370 # define bzero(d, l)		(memset((d), '\0', (l)))
1371 # define bcmp(s, d, l)		(memcmp((s), (d), (l)))
1372 #endif
1373 
1374 /* general POSIX defines */
1375 #ifdef _POSIX_VERSION
1376 # define HASSETSID	1	/* has Posix setsid(2) call */
1377 # define HASWAITPID	1	/* has Posix waitpid(2) call */
1378 # if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
1379 #  define USESETEUID	1	/* has useable seteuid(2) call */
1380 # endif
1381 #endif
1382 /*
1383 **  Tweaking for systems that (for example) claim to be BSD or POSIX
1384 **  but don't have all the standard BSD or POSIX routines (boo hiss).
1385 */
1386 
1387 #ifdef titan
1388 # undef HASINITGROUPS		/* doesn't have initgroups(3) call */
1389 #endif
1390 
1391 #ifdef _CRAYCOM
1392 # undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
1393 #endif
1394 
1395 #ifdef ISC_UNIX
1396 # undef bcopy			/* despite SystemV claim, uses BSD bcopy */
1397 #endif
1398 
1399 #ifdef ALTOS_SYS_V
1400 # undef bcopy			/* despite SystemV claim, uses BSD bcopy */
1401 # undef bzero			/* despite SystemV claim, uses BSD bzero */
1402 # undef bcmp			/* despite SystemV claim, uses BSD bcmp */
1403 #endif
1404 
1405 
1406 /*
1407 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
1408 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
1409 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
1410 **  are closed.  Some firewalls return this error if you try to connect
1411 **  to the IDENT port (113), so you can't receive email from these hosts
1412 **  on these systems.  The firewall really should use a more specific
1413 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB.  If
1414 **  not explicitly set to zero above, default it on.
1415 */
1416 
1417 #ifndef IDENTPROTO
1418 # define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
1419 #endif
1420 
1421 #ifndef IP_SRCROUTE
1422 # define IP_SRCROUTE	1	/* Detect IP source routing */
1423 #endif
1424 
1425 #ifndef HASGETUSERSHELL
1426 # define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
1427 #endif
1428 
1429 #ifndef NETUNIX
1430 # define NETUNIX	1	/* include unix domain support */
1431 #endif
1432 
1433 #ifndef HASFLOCK
1434 # define HASFLOCK	0	/* assume no flock(2) support */
1435 #endif
1436 
1437 #ifndef HASSETREUID
1438 # define HASSETREUID	0	/* assume no setreuid(2) call */
1439 #endif
1440 
1441 #ifndef USESETEUID
1442 # define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
1443 #endif
1444 
1445 #ifndef HASSETRLIMIT
1446 # define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
1447 #endif
1448 
1449 #ifndef HASULIMIT
1450 # define HASULIMIT	0	/* assume no ulimit(2) support */
1451 #endif
1452 
1453 #ifndef OLD_NEWDB
1454 # define OLD_NEWDB	0	/* assume newer version of newdb */
1455 #endif
1456 
1457 /* heuristic setting of HASSETSIGMASK; can override above */
1458 #ifndef HASSIGSETMASK
1459 # ifdef SIGVTALRM
1460 #  define HASSETSIGMASK	1
1461 # else
1462 #  define HASSETSIGMASK	0
1463 # endif
1464 #endif
1465 
1466 /*
1467 **  If no type for argument two of getgroups call is defined, assume
1468 **  it's an integer -- unfortunately, there seem to be several choices
1469 **  here.
1470 */
1471 
1472 #ifndef GIDSET_T
1473 # define GIDSET_T	int
1474 #endif
1475 
1476 #ifndef UID_T
1477 # define UID_T		uid_t
1478 #endif
1479 
1480 #ifndef SIZE_T
1481 # define SIZE_T		size_t
1482 #endif
1483 
1484 #ifndef ARGV_T
1485 # define ARGV_T		char **
1486 #endif
1487 /**********************************************************************
1488 **  Remaining definitions should never have to be changed.  They are
1489 **  primarily to provide back compatibility for older systems -- for
1490 **  example, it includes some POSIX compatibility definitions
1491 **********************************************************************/
1492 
1493 /* System 5 compatibility */
1494 #ifndef S_ISREG
1495 # define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
1496 #endif
1497 #if !defined(S_ISLNK) && defined(S_IFLNK)
1498 # define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
1499 #endif
1500 #ifndef S_IWUSR
1501 # define S_IWUSR		0200
1502 #endif
1503 #ifndef S_IWGRP
1504 # define S_IWGRP		0020
1505 #endif
1506 #ifndef S_IWOTH
1507 # define S_IWOTH		0002
1508 #endif
1509 
1510 /*
1511 **  Older systems don't have this error code -- it should be in
1512 **  /usr/include/sysexits.h.
1513 */
1514 
1515 # ifndef EX_CONFIG
1516 # define EX_CONFIG	78	/* configuration error */
1517 # endif
1518 
1519 /* pseudo-code used in server SMTP */
1520 # define EX_QUIT	22	/* drop out of server immediately */
1521 
1522 
1523 /*
1524 **  These are used in a few cases where we need some special
1525 **  error codes, but where the system doesn't provide something
1526 **  reasonable.  They are printed in errstring.
1527 */
1528 
1529 #ifndef E_PSEUDOBASE
1530 # define E_PSEUDOBASE	256
1531 #endif
1532 
1533 #define EOPENTIMEOUT	(E_PSEUDOBASE + 0)	/* timeout on open */
1534 #define E_DNSBASE	(E_PSEUDOBASE + 20)	/* base for DNS h_errno */
1535 
1536 /* type of arbitrary pointer */
1537 #ifndef ARBPTR_T
1538 # define ARBPTR_T	void *
1539 #endif
1540 
1541 #ifndef __P
1542 # include "cdefs.h"
1543 #endif
1544 
1545 #if NAMED_BIND
1546 # include <arpa/nameser.h>
1547 # ifdef __svr4__
1548 #  ifdef NOERROR
1549 #   undef NOERROR		/* avoid compiler conflict with stream.h */
1550 #  endif
1551 # endif
1552 #endif
1553 
1554 /*
1555 **  The size of an IP address -- can't use sizeof because of problems
1556 **  on Crays, where everything is 64 bits.  This will break if/when
1557 **  IP addresses are expanded to eight bytes.
1558 */
1559 
1560 #ifndef INADDRSZ
1561 # define INADDRSZ	4
1562 #endif
1563 
1564 /*
1565 **  The size of various known types -- for reading network protocols.
1566 **  Again, we can't use sizeof because of compiler randomness.
1567 */
1568 
1569 #ifndef INT16SZ
1570 # define INT16SZ	2
1571 #endif
1572 #ifndef INT32SZ
1573 # define INT32SZ	4
1574 #endif
1575 
1576 /*
1577 **  Do some required dependencies
1578 */
1579 
1580 #if defined(NETINET) || defined(NETISO)
1581 # define SMTP		1	/* enable user and server SMTP */
1582 # define QUEUE		1	/* enable queueing */
1583 # define DAEMON		1	/* include the daemon (requires IPC & SMTP) */
1584 #endif
1585 
1586 
1587 /*
1588 **  Arrange to use either varargs or stdargs
1589 */
1590 
1591 # ifdef __STDC__
1592 
1593 # include <stdarg.h>
1594 
1595 # define VA_LOCAL_DECL	va_list ap;
1596 # define VA_START(f)	va_start(ap, f)
1597 # define VA_END		va_end(ap)
1598 
1599 # else
1600 
1601 # include <varargs.h>
1602 
1603 # define VA_LOCAL_DECL	va_list ap;
1604 # define VA_START(f)	va_start(ap)
1605 # define VA_END		va_end(ap)
1606 
1607 # endif
1608 
1609 #ifdef HASUNAME
1610 # include <sys/utsname.h>
1611 # ifdef newstr
1612 #  undef newstr
1613 # endif
1614 #else /* ! HASUNAME */
1615 # define NODE_LENGTH 32
1616 struct utsname
1617 {
1618 	char nodename[NODE_LENGTH+1];
1619 };
1620 #endif /* HASUNAME */
1621 
1622 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYS_V)
1623 # define MAXHOSTNAMELEN	256
1624 #endif
1625 
1626 #if !defined(SIGCHLD) && defined(SIGCLD)
1627 # define SIGCHLD	SIGCLD
1628 #endif
1629 
1630 #ifndef STDIN_FILENO
1631 # define STDIN_FILENO	0
1632 #endif
1633 
1634 #ifndef STDOUT_FILENO
1635 # define STDOUT_FILENO	1
1636 #endif
1637 
1638 #ifndef STDERR_FILENO
1639 # define STDERR_FILENO	2
1640 #endif
1641 
1642 #ifndef LOCK_SH
1643 # define LOCK_SH	0x01	/* shared lock */
1644 # define LOCK_EX	0x02	/* exclusive lock */
1645 # define LOCK_NB	0x04	/* non-blocking lock */
1646 # define LOCK_UN	0x08	/* unlock */
1647 #endif
1648 
1649 #ifndef SEEK_SET
1650 # define SEEK_SET	0
1651 # define SEEK_CUR	1
1652 # define SEEK_END	2
1653 #endif
1654 
1655 #ifndef SIG_ERR
1656 # define SIG_ERR	((void (*)()) -1)
1657 #endif
1658 
1659 #ifndef WEXITSTATUS
1660 # define WEXITSTATUS(st)	(((st) >> 8) & 0377)
1661 #endif
1662 #ifndef WIFEXITED
1663 # define WIFEXITED(st)		(((st) & 0377) == 0)
1664 #endif
1665 
1666 #ifndef SIGFUNC_DEFINED
1667 typedef void		(*sigfunc_t) __P((int));
1668 #endif
1669 
1670 /* size of syslog buffer */
1671 #ifndef SYSLOG_BUFSIZE
1672 # define SYSLOG_BUFSIZE	1024
1673 #endif
1674 
1675 /*
1676 **  Size of tobuf (deliver.c)
1677 **	Tweak this to match your syslog implementation.  It will have to
1678 **	allow for the extra information printed.
1679 */
1680 
1681 #ifndef TOBUFSIZE
1682 # if (SYSLOG_BUFSIZE) > 512
1683 #  define TOBUFSIZE	(SYSLOG_BUFSIZE - 256)
1684 # else
1685 #  define TOBUFSIZE	256
1686 # endif
1687 #endif
1688 
1689 /*
1690 **  Size of prescan buffer.
1691 **	Despite comments in the _sendmail_ book, this probably should
1692 **	not be changed; there are some hard-to-define dependencies.
1693 */
1694 
1695 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
1696 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
1697 # ifndef FORK
1698 # define FORK		vfork		/* function to call to fork mailer */
1699 # endif
1700 
1701 /*
1702 **  If we are going to link scanf anyway, use it in readcf
1703 */
1704 
1705 #if !defined(HASUNAME) && !defined(SCANF)
1706 # define SCANF		1
1707 #endif
1708