xref: /original-bsd/usr.sbin/sendmail/src/conf.h (revision 9a35f7df)
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	8.166 (Berkeley) 05/24/95
9  */
10 
11 /*
12 **  CONF.H -- All user-configurable parameters for sendmail
13 */
14 
15 struct rusage;	/* forward declaration to get gcc to shut up in wait.h */
16 
17 # include <sys/param.h>
18 # include <sys/types.h>
19 # include <sys/stat.h>
20 # include <sys/file.h>
21 # include <sys/wait.h>
22 # include <fcntl.h>
23 # include <signal.h>
24 # include <netdb.h>
25 # include <pwd.h>
26 
27 /**********************************************************************
28 **  Table sizes, etc....
29 **	There shouldn't be much need to change these....
30 **********************************************************************/
31 
32 # define MAXLINE	2048		/* max line length */
33 # define MAXNAME	256		/* max length of a name */
34 # define MAXPV		40		/* max # of parms to mailers */
35 # define MAXATOM	200		/* max atoms per address */
36 # define MAXMAILERS	25		/* maximum mailers known to system */
37 # define MAXRWSETS	200		/* max # of sets of rewriting rules */
38 # define MAXPRIORITIES	25		/* max values for Precedence: field */
39 # define MAXMXHOSTS	20		/* max # of MX records */
40 # define SMTPLINELIM	990		/* maximum SMTP line length */
41 # define MAXKEY		128		/* maximum size of a database key */
42 # define MEMCHUNKSIZE	1024		/* chunk size for memory allocation */
43 # define MAXUSERENVIRON	100		/* max envars saved, must be >= 3 */
44 # define MAXALIASDB	12		/* max # of alias databases */
45 # define MAXMAPSTACK	12		/* max # of stacked or sequenced maps */
46 # define MAXTOCLASS	8		/* max # of message timeout classes */
47 # define MAXMIMEARGS	20		/* max args in Content-Type: */
48 # define MAXMIMENESTING	20		/* max MIME multipart nesting */
49 
50 # ifndef QUEUESIZE
51 #  define QUEUESIZE	3000		/* max # of jobs per queue run */
52 # endif
53 
54 /**********************************************************************
55 **  Compilation options.
56 **
57 **	#define these if they are available; comment them out otherwise.
58 **********************************************************************/
59 
60 # define LOG		1	/* enable logging */
61 # define UGLYUUCP	1	/* output ugly UUCP From lines */
62 # define NETUNIX	1	/* include unix domain support */
63 # define NETINET	1	/* include internet support */
64 # define MATCHGECOS	1	/* match user names from gecos field */
65 # define XDEBUG		1	/* enable extended debugging */
66 # if (defined(NEWDB) || defined(HESIOD)) && !defined(USERDB)
67 #  define USERDB	1	/* look in user database */
68 # endif
69 
70 /**********************************************************************
71 **  0/1 Compilation options.
72 **	#define these to 1 if they are available;
73 **	#define them to 0 otherwise.
74 **********************************************************************/
75 
76 # ifndef NAMED_BIND
77 #  define NAMED_BIND	1	/* use Berkeley Internet Domain Server */
78 # endif
79 
80 # ifndef DSN
81 #  define DSN		1	/* include delivery status notification code */
82 # endif
83 
84 # ifndef MIME8TO7
85 #  define MIME8TO7	1	/* 8->7 bit MIME conversions */
86 # endif
87 
88 # ifndef MIME7TO8
89 #  define MIME7TO8	1	/* 7->8 bit MIME conversions */
90 # endif
91 
92 /*
93 **  Most systems have symbolic links today, so default them on.  You
94 **  can turn them off by #undef'ing this below.
95 */
96 
97 # define HASLSTAT	1	/* has lstat(2) call */
98 
99 /*
100 **  General "standard C" defines.
101 **
102 **	These may be undone later, to cope with systems that claim to
103 **	be Standard C but aren't.  Gcc is the biggest offender -- it
104 **	doesn't realize that the library is part of the language.
105 **
106 **	Life would be much easier if we could get rid of this sort
107 **	of bozo problems.
108 */
109 
110 #ifdef __STDC__
111 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
112 #endif
113 
114 /**********************************************************************
115 **  Operating system configuration.
116 **
117 **	Unless you are porting to a new OS, you shouldn't have to
118 **	change these.
119 **********************************************************************/
120 
121 /*
122 **  Per-Operating System defines
123 */
124 
125 
126 /*
127 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
128 **
129 **	If V4FS is defined, compile for HP-UX 10.0.
130 */
131 
132 #ifdef __hpux
133 		/* common definitions for HP-UX 9.x and 10.x */
134 # undef m_flags		/* conflict between db.h & sys/sysmacros.h on HP 300 */
135 # define SYSTEM5	1	/* include all the System V defines */
136 # define HASINITGROUPS	1	/* has initgroups(3) call */
137 # define USESETEUID	1	/* has useable seteuid(2) call */
138 # define seteuid(e)	setresuid(-1, e, -1)
139 # define LA_TYPE	LA_HPUX
140 # define SPT_TYPE	SPT_PSTAT
141 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
142 # define GIDSET_T	gid_t
143 # ifndef HASGETUSERSHELL
144 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
145 # endif
146 # define syslog		hard_syslog
147 # ifdef __STDC__
148 extern int	syslog(int, char *, ...);
149 # endif
150 
151 # ifdef V4FS
152 		/* HP-UX 10.x */
153 #  define _PATH_UNIX	"/stand/vmunix"
154 #  ifndef _PATH_SENDMAILCF
155 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
156 #  endif
157 #  ifndef _PATH_SENDMAILPID
158 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
159 #  endif
160 #  ifndef IDENTPROTO
161 #   define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
162 #  endif
163 
164 # else
165 		/* HP-UX 9.x */
166 #  define _PATH_UNIX	"/hp-ux"
167 #  ifndef _PATH_SENDMAILCF
168 #   define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
169 #  endif
170 #  ifndef IDENTPROTO
171 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
172 #  endif
173 # endif
174 
175 #endif
176 
177 
178 /*
179 **  IBM AIX 3.x -- actually tested for 3.2.3
180 */
181 
182 #ifdef _AIX3
183 # define HASINITGROUPS	1	/* has initgroups(3) call */
184 # define HASUNAME	1	/* use System V uname(2) system call */
185 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
186 # ifndef IP_SRCROUTE
187 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
188 # endif
189 # define FORK		fork	/* no vfork primitive available */
190 # define GIDSET_T	gid_t
191 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
192 # define SPT_PADCHAR	'\0'	/* pad process title with nulls */
193 # define LA_TYPE	LA_INT
194 #endif
195 
196 
197 /*
198 **  Silicon Graphics IRIX
199 **
200 **	Compiles on 4.0.1.
201 **
202 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
203 **	Use IRIX5 instead of IRIX for IRIX 5.x.
204 **
205 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
206 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
207 */
208 
209 #if defined(IRIX64) || defined(IRIX5)
210 # define IRIX
211 #endif
212 
213 #ifdef IRIX
214 # define SYSTEM5	1	/* this is a System-V derived system */
215 # define HASSETREUID	1	/* has setreuid(2) call */
216 # define HASINITGROUPS	1	/* has initgroups(3) call */
217 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
218 # define FORK		fork	/* no vfork primitive available */
219 # if !defined(IRIX64) && !defined(IRIX5)
220 #  define WAITUNION	1	/* use "union wait" as wait argument type */
221 # endif
222 # define setpgid	BSDsetpgrp
223 # define GIDSET_T	gid_t
224 # define ARGV_T		const char **
225 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
226 # define SFS_BAVAIL	f_bfree		/* alternate field name */
227 # define LA_TYPE	LA_INT
228 # ifdef IRIX64
229 #  define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
230 # else
231 #  define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
232 # endif
233 #endif
234 
235 
236 /*
237 **  SunOS and Solaris
238 **
239 **	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
240 **	Solaris 2.4 (a.k.a. SunOS 5.4).
241 */
242 
243 #if defined(sun) && !defined(BSD)
244 
245 # define HASINITGROUPS	1	/* has initgroups(3) call */
246 # define HASUNAME	1	/* use System V uname(2) system call */
247 # define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
248 # define LA_TYPE	LA_INT
249 
250 # ifdef SOLARIS_2_3
251 #  define SOLARIS	203	/* for back compat only -- use -DSOLARIS=203 */
252 # endif
253 
254 # ifdef SOLARIS
255 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
256 #  ifndef __svr4__
257 #   define __svr4__		/* use all System V Releae 4 defines below */
258 #  endif
259 #  define BSD_COMP	1	/* get BSD ioctl calls */
260 #  include <sys/time.h>
261 #  define GIDSET_T	gid_t
262 #  ifndef _PATH_UNIX
263 #   define _PATH_UNIX	"/dev/ksyms"
264 #  endif
265 #  ifndef _PATH_SENDMAILCF
266 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
267 #  endif
268 #  ifndef _PATH_SENDMAILPID
269 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
270 #  endif
271 #  ifndef _PATH_HOSTS
272 #   define _PATH_HOSTS		"/etc/inet/hosts"
273 #  endif
274 #  ifndef SYSLOG_BUFSIZE
275 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
276 #  endif
277 
278 # else
279 			/* SunOS 4.0.3 or 4.1.x */
280 #  define HASSETREUID	1	/* has setreuid(2) call */
281 #  ifndef HASFLOCK
282 #   define HASFLOCK	1	/* has flock(2) call */
283 #  endif
284 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
285 #  include <vfork.h>
286 
287 #  ifdef SUNOS403
288 			/* special tweaking for SunOS 4.0.3 */
289 #   include <malloc.h>
290 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
291 #   define WAITUNION	1	/* use "union wait" as wait argument type */
292 #   undef WIFEXITED
293 #   undef WEXITSTATUS
294 #   undef HASUNAME
295 #   define setpgid	setpgrp
296 typedef int		pid_t;
297 extern char		*getenv();
298 
299 #  else
300 			/* 4.1.x specifics */
301 #   define HASSETSID	1	/* has Posix setsid(2) call */
302 #   define HASSETVBUF	1	/* we have setvbuf(3) in libc */
303 
304 #  endif
305 # endif
306 #endif
307 
308 /*
309 **  DG/UX
310 **
311 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
312 **	older support.
313 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
314 */
315 
316 #ifdef DGUX_5_4_2
317 # define DGUX		1
318 #endif
319 
320 #ifdef	DGUX
321 # define SYSTEM5	1
322 # define LA_TYPE	LA_DGUX
323 # define HASSETREUID	1	/* has setreuid(2) call */
324 # define HASUNAME	1	/* use System V uname(2) system call */
325 # define HASSETSID	1	/* has Posix setsid(2) call */
326 # define HASINITGROUPS	1	/* has initgroups(3) call */
327 # define HASGETUSERSHELL 0	/* does not have getusershell(3) */
328 # ifndef IDENTPROTO
329 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
330 # endif
331 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
332 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
333 
334 /* these include files must be included early on DG/UX */
335 # include <netinet/in.h>
336 # include <arpa/inet.h>
337 
338 # ifdef DGUX_5_4_2
339 #  define inet_addr	dgux_inet_addr
340 extern long	dgux_inet_addr();
341 # endif
342 #endif
343 
344 
345 /*
346 **  Digital Ultrix 4.2A or 4.3
347 **
348 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
349 **	not dropped when the process exits.  This causes major problems,
350 **	so flock is the only alternative.
351 */
352 
353 #ifdef ultrix
354 # define HASSETREUID	1	/* has setreuid(2) call */
355 # define HASUNSETENV	1	/* has unsetenv(3) call */
356 # define HASINITGROUPS	1	/* has initgroups(3) call */
357 # define HASUNAME	1	/* use System V uname(2) system call */
358 # ifndef HASFLOCK
359 #  define HASFLOCK	1	/* has flock(2) call */
360 # endif
361 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
362 # ifndef BROKEN_RES_SEARCH
363 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
364 # endif
365 # ifdef vax
366 #  define LA_TYPE	LA_FLOAT
367 # else
368 #  define LA_TYPE	LA_INT
369 #  define LA_AVENRUN	"avenrun"
370 # endif
371 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
372 # ifndef IDENTPROTO
373 #  define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
374 # endif
375 #endif
376 
377 
378 /*
379 **  OSF/1 for Intel Paragon.
380 **
381 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
382 **	of Intel Scalable Systems Divison.
383 */
384 
385 #ifdef __PARAGON__
386 # define __osf__	1	/* get OSF/1 defines below */
387 # ifndef _PATH_SENDMAILCF
388 #  define _PATH_SENDMAILCF	"/var/adm/sendmail/sendmail.cf"
389 # endif
390 #endif
391 
392 
393 /*
394 **  OSF/1 (tested on Alpha)
395 */
396 
397 #ifdef __osf__
398 # define HASUNSETENV	1	/* has unsetenv(3) call */
399 # define USESETEUID	1	/* has useable seteuid(2) call */
400 # define HASINITGROUPS	1	/* has initgroups(3) call */
401 # ifndef HASFLOCK
402 #  define HASFLOCK	1	/* has flock(2) call */
403 # endif
404 # define LA_TYPE	LA_INT
405 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
406 # ifndef _PATH_SENDMAILPID
407 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
408 # endif
409 #endif
410 
411 
412 /*
413 **  NeXTstep
414 */
415 
416 #ifdef NeXT
417 # define HASINITGROUPS	1	/* has initgroups(3) call */
418 # ifndef HASFLOCK
419 #  define HASFLOCK	1	/* has flock(2) call */
420 # endif
421 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
422 # define WAITUNION	1	/* use "union wait" as wait argument type */
423 # define UID_T		int	/* compiler gripes on uid_t */
424 # define sleep		sleepX
425 # define setpgid	setpgrp
426 # ifndef LA_TYPE
427 #  define LA_TYPE	LA_MACH
428 # endif
429 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
430 # ifndef _POSIX_SOURCE
431 typedef int		pid_t;
432 #  undef WEXITSTATUS
433 #  undef WIFEXITED
434 # endif
435 # ifndef _PATH_SENDMAILCF
436 #  define _PATH_SENDMAILCF	"/etc/sendmail/sendmail.cf"
437 # endif
438 # ifndef _PATH_SENDMAILPID
439 #  define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
440 # endif
441 #endif
442 
443 
444 /*
445 **  4.4 BSD
446 **
447 **	See also BSD defines.
448 */
449 
450 #ifdef BSD4_4
451 # define HASUNSETENV	1	/* has unsetenv(3) call */
452 # define USESETEUID	1	/* has useable seteuid(2) call */
453 # include <sys/cdefs.h>
454 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
455 # define BSD4_4_SOCKADDR	/* has sa_len */
456 # define NETLINK		/* supports AF_LINK */
457 # ifndef LA_TYPE
458 #  define LA_TYPE	LA_SUBR
459 # endif
460 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
461 # define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
462 #endif
463 
464 
465 /*
466 **  BSD/386 (all versions)
467 **	From Tony Sanders, BSDI
468 */
469 
470 #ifdef __bsdi__
471 # define HASUNSETENV	1	/* has the unsetenv(3) call */
472 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
473 # define USESETEUID	1	/* has useable seteuid(2) call */
474 # include <sys/cdefs.h>
475 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
476 # define BSD4_4_SOCKADDR	/* has sa_len */
477 # define NETLINK		/* supports AF_LINK */
478 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
479 # ifndef LA_TYPE
480 #  define LA_TYPE	LA_SUBR
481 # endif
482 # define GIDSET_T	gid_t
483 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
484 			/* version 1.1 or later */
485 #  undef SPT_TYPE
486 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
487 # else
488 			/* version 1.0 or earlier */
489 #  ifndef OLD_NEWDB
490 #   define OLD_NEWDB	1	/* old version of newdb library */
491 #  endif
492 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
493 # endif
494 #endif
495 
496 
497 
498 /*
499 **  386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions)
500 **
501 **  4.3BSD clone, closer to 4.4BSD
502 **
503 **	See also BSD defines.
504 */
505 
506 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
507 # define HASUNSETENV	1	/* has unsetenv(3) call */
508 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
509 # define USESETEUID	1	/* has useable seteuid(2) call */
510 # ifdef __NetBSD__
511 #  define HASUNAME	1	/* has uname(2) syscall */
512 # endif
513 # include <sys/cdefs.h>
514 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
515 # define BSD4_4_SOCKADDR	/* has sa_len */
516 # define NETLINK		/* supports AF_LINK */
517 # ifndef LA_TYPE
518 #  define LA_TYPE	LA_SUBR
519 # endif
520 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
521 #endif
522 
523 
524 /*
525 **  Mach386
526 **
527 **	For mt Xinu's Mach386 system.
528 */
529 
530 #if defined(MACH) && defined(i386)
531 # define MACH386	1
532 # define HASUNSETENV	1	/* has unsetenv(3) call */
533 # define HASINITGROUPS	1	/* has initgroups(3) call */
534 # ifndef HASFLOCK
535 #  define HASFLOCK	1	/* has flock(2) call */
536 # endif
537 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
538 # define NEEDSTRTOL	1	/* need the strtol() function */
539 # define setpgid	setpgrp
540 # ifndef LA_TYPE
541 #  define LA_TYPE	LA_FLOAT
542 # endif
543 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
544 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
545 # undef WEXITSTATUS
546 # undef WIFEXITED
547 # ifndef _PATH_SENDMAILCF
548 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
549 # endif
550 # ifndef _PATH_SENDMAILPID
551 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
552 # endif
553 #endif
554 
555 
556 /*
557 **  4.3 BSD -- this is for very old systems
558 **
559 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
560 **
561 **	You'll also have to install a new resolver library.
562 **	I don't guarantee that support for this environment is complete.
563 */
564 
565 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
566 # define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
567 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
568 # define ARBPTR_T	char *
569 # define setpgid	setpgrp
570 # ifndef LA_TYPE
571 #  define LA_TYPE	LA_FLOAT
572 # endif
573 # ifndef _PATH_SENDMAILCF
574 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
575 # endif
576 # ifndef IDENTPROTO
577 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
578 # endif
579 # undef WEXITSTATUS
580 # undef WIFEXITED
581 typedef short		pid_t;
582 extern int		errno;
583 #endif
584 
585 
586 /*
587 **  SCO Unix
588 **
589 **	This includes two parts -- the first is for SCO Open Server 3.2v4
590 **	(contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
591 **	The second is, I believe, for an older version.
592 */
593 
594 #ifdef _SCO_unix_4_2
595 # define _SCO_unix_
596 # define HASSETREUID	1	/* has setreuid(2) call */
597 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
598 # define _PATH_UNIX	"/unix"
599 # ifndef _PATH_SENDMAILCF
600 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
601 # endif
602 # ifndef _PATH_SENDMAILPID
603 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
604 # endif
605 #endif
606 
607 #ifdef _SCO_unix_
608 # define SYSTEM5	1	/* include all the System V defines */
609 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
610 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
611 # define FORK		fork
612 # define MAXPATHLEN	PATHSIZE
613 # define LA_TYPE	LA_SHORT
614 # define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
615 # define SFS_BAVAIL	f_bfree		/* alternate field name */
616 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
617 # undef NETUNIX			/* no unix domain socket support */
618 #endif
619 
620 
621 /*
622 **  ISC (SunSoft) Unix.
623 **
624 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
625 */
626 
627 #ifdef ISC_UNIX
628 # include <net/errno.h>
629 # define SYSTEM5	1	/* include all the System V defines */
630 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
631 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
632 # define HASSETREUID	1	/* has setreuid(2) call */
633 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
634 # undef NETUNIX			/* no unix domain socket support */
635 # define FORK		fork
636 # define MAXPATHLEN	1024
637 # define LA_TYPE	LA_SHORT
638 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
639 # define SFS_BAVAIL	f_bfree		/* alternate field name */
640 # define _PATH_UNIX	"/unix"
641 # ifndef _PATH_SENDMAILCF
642 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
643 # endif
644 # ifndef _PATH_SENDMAILPID
645 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
646 # endif
647 
648 typedef short		pid_t;
649 
650 #endif
651 
652 
653 /*
654 **  Altos System V.
655 **	Contributed by Tim Rice <timr@crl.com>.
656 */
657 
658 #ifdef ALTOS_SYS_V
659 # include <limits.h>
660 # define SYSTEM5	1	/* include all the System V defines */
661 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
662 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
663 # define WAITUNION	1	/* use "union wait" as wait argument type */
664 # define NEEDFSYNC	1	/* no fsync(2) in system library */
665 # define FORK		fork
666 # define MAXPATHLEN	PATHSIZE
667 # define LA_TYPE	LA_SHORT
668 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
669 # define SFS_BAVAIL	f_bfree		/* alternate field name */
670 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
671 # undef NETUNIX			/* no unix domain socket support */
672 # undef WIFEXITED
673 # undef WEXITSTATUS
674 # define strtoul	strtol	/* gcc library bogosity */
675 
676 typedef unsigned short	uid_t;
677 typedef unsigned short	gid_t;
678 typedef short		pid_t;
679 #endif
680 
681 
682 /*
683 **  ConvexOS 11.0 and later
684 **
685 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
686 **	works on 9.1 as well.
687 */
688 
689 #ifdef _CONVEX_SOURCE
690 # define BSD		1	/* include all the BSD defines */
691 # define HASUNAME	1	/* use System V uname(2) system call */
692 # define HASSETSID	1	/* has POSIX setsid(2) call */
693 # define NEEDGETOPT	1	/* need replacement for getopt(3) */
694 # define LA_TYPE	LA_FLOAT
695 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
696 # ifndef _PATH_SENDMAILCF
697 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
698 # endif
699 # ifndef S_IREAD
700 #  define S_IREAD	_S_IREAD
701 #  define S_IWRITE	_S_IWRITE
702 #  define S_IEXEC	_S_IEXEC
703 #  define S_IFMT	_S_IFMT
704 #  define S_IFCHR	_S_IFCHR
705 #  define S_IFBLK	_S_IFBLK
706 # endif
707 # ifndef IDENTPROTO
708 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
709 # endif
710 # ifndef IP_SRCROUTE
711 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
712 # endif
713 #endif
714 
715 
716 /*
717 **  RISC/os 4.52
718 **
719 **	Gives a ton of warning messages, but otherwise compiles.
720 */
721 
722 #ifdef RISCOS
723 
724 # define HASUNSETENV	1	/* has unsetenv(3) call */
725 # ifndef HASFLOCK
726 #  define HASFLOCK	1	/* has flock(2) call */
727 # endif
728 # define WAITUNION	1	/* use "union wait" as wait argument type */
729 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
730 # define LA_TYPE	LA_INT
731 # define LA_AVENRUN	"avenrun"
732 # define _PATH_UNIX	"/unix"
733 # undef WIFEXITED
734 
735 # define setpgid	setpgrp
736 
737 extern int		errno;
738 typedef int		pid_t;
739 #define			SIGFUNC_DEFINED
740 typedef int		(*sigfunc_t)();
741 extern char		*getenv();
742 extern void		*malloc();
743 
744 #endif
745 
746 
747 /*
748 **  Linux 0.99pl10 and above...
749 **
750 **  Thanks to, in reverse order of contact:
751 **
752 **	John Kennedy <warlock@csuchico.edu>
753 **	Andrew Pam <avatar@aus.xanadu.com>
754 **	Florian La Roche <rzsfl@rz.uni-sb.de>
755 **	Karl London <karl@borg.demon.co.uk>
756 **
757 **  Last compiled against:	[12/14/94 @ 11:38:41 PM (Wednesday)]
758 **	sendmail 8.7.a.5	named 4.9.3-beta12-p1	db-1.85
759 **	gcc 2.6.2		libc.so.4.6.20
760 **	slackware 2.1.0		linux 1.1.70
761 */
762 
763 #ifdef __linux__
764 # define BSD		1	/* include BSD defines */
765 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
766 # define HASUNAME	1	/* use System V uname(2) system call */
767 # define HASUNSETENV	1	/* has unsetenv(3) call */
768 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
769 # define GIDSET_T	gid_t	/* from <linux/types.h> */
770 # define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
771 # ifndef HASFLOCK
772 #  define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
773 # endif
774 # ifndef LA_TYPE
775 #  define LA_TYPE	LA_PROCSTR
776 # endif
777 # define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
778 # ifndef _PATH_SENDMAILPID
779 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
780 # endif
781 # define TZ_TYPE	TZ_TNAME
782 # include <sys/sysmacros.h>
783 # undef atol			/* wounded in <stdlib.h> */
784 #endif
785 
786 
787 /*
788 **  DELL SVR4 Issue 2.2, and others
789 **	From Kimmo Suominen <kim@grendel.lut.fi>
790 **
791 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
792 **	defined, and the definitions conflict.
793 **
794 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
795 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
796 **	(SVR4.0/386 version 3.0).
797 */
798 
799 #ifdef DELL_SVR4
800 				/* no changes necessary */
801 				/* see general __svr4__ defines below */
802 #endif
803 
804 
805 /*
806 **  Apple A/UX 3.0
807 */
808 
809 #ifdef _AUX_SOURCE
810 # include <sys/sysmacros.h>
811 # define BSD			/* has BSD routines */
812 # define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
813 # define HASUNAME	1	/* use System V uname(2) system call */
814 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
815 # define SIGFUNC_DEFINED	/* sigfunc_t already defined */
816 # ifndef IDENTPROTO
817 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
818 # endif
819 # define FORK		fork
820 # ifndef _PATH_SENDMAILCF
821 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
822 # endif
823 # ifndef LA_TYPE
824 #  define LA_TYPE	LA_ZERO
825 # endif
826 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
827 # undef WIFEXITED
828 # undef WEXITSTATUS
829 #endif
830 
831 
832 /*
833 **  Encore UMAX V
834 **
835 **	Not extensively tested.
836 */
837 
838 #ifdef UMAXV
839 # include <limits.h>
840 # define HASUNAME	1	/* use System V uname(2) system call */
841 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
842 # define HASINITGROUPS	1	/* has initgroups(3) call */
843 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
844 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
845 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
846 # define FORK		fork	/* no vfork(2) primitive available */
847 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
848 # define MAXPATHLEN	PATH_MAX
849 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
850 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
851 # undef WIFEXITED
852 # undef WEXITSTATUS
853 #endif
854 
855 
856 /*
857 **  Stardent Titan 3000 running TitanOS 4.2.
858 **
859 **	Must be compiled in "cc -43" mode.
860 **
861 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
862 **
863 **	Note the tweaking below after the BSD defines are set.
864 */
865 
866 #ifdef titan
867 # define setpgid	setpgrp
868 typedef int		pid_t;
869 # undef WIFEXITED
870 # undef WEXITSTATUS
871 #endif
872 
873 
874 /*
875 **  Sequent DYNIX 3.2.0
876 **
877 **	From Jim Davis <jdavis@cs.arizona.edu>.
878 */
879 
880 #ifdef sequent
881 
882 # define BSD		1
883 # define HASUNSETENV	1
884 # define BSD4_3		1	/* to get signal() in conf.c */
885 # define WAITUNION	1
886 # define LA_TYPE	LA_FLOAT
887 # ifdef	_POSIX_VERSION
888 #  undef _POSIX_VERSION		/* set in <unistd.h> */
889 # endif
890 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
891 # define setpgid	setpgrp
892 
893 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
894 # undef	WIFEXITED
895 # define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
896 			 ((union wait*)&(s))->w_termsig == 0)
897 # define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
898 typedef int		pid_t;
899 # define isgraph(c)	(isprint(c) && (c != ' '))
900 
901 # ifndef IDENTPROTO
902 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
903 # endif
904 
905 # ifndef _PATH_UNIX
906 #  define _PATH_UNIX	"/dynix"
907 # endif
908 # ifndef _PATH_SENDMAILCF
909 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
910 # endif
911 
912 #endif
913 
914 
915 /*
916 **  Sequent DYNIX/ptx v2.0 (and higher)
917 **
918 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
919 **
920 **	From Tim Wright <timw@sequent.com>.
921 */
922 
923 #ifdef _SEQUENT_
924 # define SYSTEM5	1	/* include all the System V defines */
925 # define HASSETSID	1	/* has POSIX setsid(2) call */
926 # define HASINITGROUPS	1	/* has initgroups(3) call */
927 # define HASSETREUID	1	/* has setreuid(2) call */
928 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
929 # define GIDSET_T	gid_t
930 # define LA_TYPE	LA_INT
931 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
932 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
933 # ifndef IDENTPROTO
934 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
935 # endif
936 # ifndef _PATH_SENDMAILCF
937 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
938 # endif
939 # ifndef _PATH_SENDMAILPID
940 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
941 # endif
942 #endif
943 
944 
945 /*
946 **  Cray Unicos
947 **
948 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
949 */
950 
951 #ifdef UNICOS
952 # define SYSTEM5	1	/* include all the System V defines */
953 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
954 # define MAXPATHLEN	PATHSIZE
955 # define LA_TYPE	LA_ZERO
956 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
957 # define SFS_BAVAIL	f_bfree		/* alternate field name */
958 #endif
959 
960 
961 /*
962 **  Apollo DomainOS
963 **
964 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
965 **
966 **  15 Jan 1994
967 **
968 */
969 
970 #ifdef apollo
971 # define HASSETREUID	1	/* has setreuid(2) call */
972 # define HASINITGROUPS	1	/* has initgroups(2) call */
973 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
974 # define LA_TYPE	LA_SUBR		/* use getloadavg.c */
975 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
976 # define SFS_BAVAIL	f_bfree		/* alternate field name */
977 # ifndef _PATH_SENDMAILCF
978 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
979 # endif
980 # ifndef _PATH_SENDMAILPID
981 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
982 # endif
983 # undef  S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
984 # undef  S_IFIFO
985 # define S_IFIFO	0010000
986 # ifndef IDENTPROTO
987 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
988 # endif
989 #endif
990 
991 
992 /*
993 **  UnixWare 1.1.2.
994 **
995 **	From Evan Champion <evanc@spatial.synapse.org>.
996 */
997 
998 #ifdef UNIXWARE
999 # define SYSTEM5		1
1000 # define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1001 # define HASGETDTABLESIZE	1
1002 # define HASSETREUID		1
1003 # define HASSETSID		1
1004 # define HASINITGROUPS		1
1005 # define GIDSET_T		gid_t
1006 # define SLEEP_T		unsigned
1007 # define SFS_TYPE		SFS_STATVFS
1008 # define LA_TYPE		LA_ZERO
1009 # undef WIFEXITED
1010 # undef WEXITSTATUS
1011 # define _PATH_UNIX		"/unix"
1012 # ifndef _PATH_SENDMAILCF
1013 #  define _PATH_SENDMAILCF	"/usr/ucblib/sendmail.cf"
1014 # endif
1015 # ifndef _PATH_SENDMAILPID
1016 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1017 # endif
1018 # define SYSLOG_BUFSIZE	128
1019 #endif
1020 
1021 
1022 /*
1023 **  Intergraph CLIX 3.1
1024 **
1025 **	From Paul Southworth <pauls@locust.cic.net>
1026 */
1027 
1028 #ifdef CLIX
1029 # define SYSTEM5	1	/* looks like System V */
1030 # ifndef HASGETUSERSHELL
1031 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1032 # endif
1033 # define DEV_BSIZE	512	/* device block size not defined */
1034 # define GIDSET_T	gid_t
1035 # undef LOG			/* syslog not available */
1036 # define NEEDFSYNC	1	/* no fsync in system library */
1037 # define GETSHORT	_getshort
1038 #endif
1039 
1040 
1041 /*
1042 **  NCR 3000 Series (SysVr4)
1043 **
1044 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1045 */
1046 
1047 #ifdef NCR3000
1048 # define __svr4__
1049 # undef BSD
1050 # define LA_AVENRUN	"avenrun"
1051 #endif
1052 
1053 
1054 /*
1055 **  Tandem NonStop-UX SVR4
1056 **
1057 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1058 */
1059 
1060 #ifdef NonStop_UX_BXX
1061 # define __svr4__
1062 #endif
1063 
1064 
1065 /*
1066 **  Hitachi 3050R & 3050RX Workstations running HI-UX/WE2.
1067 **
1068 **	Tested for 1.04 and 1.03
1069 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1070 */
1071 
1072 #ifdef __H3050R
1073 # define SYSTEM5	1	/* include all the System V defines */
1074 # define HASINITGROUPS	1	/* has initgroups(3) call */
1075 # define setreuid(r, e)	setresuid(r, e, -1)
1076 # define LA_TYPE	LA_FLOAT
1077 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1078 # define HASSETVBUF	/* HI-UX has no setlinebuf */
1079 # ifndef GIDSET_T
1080 #  define GIDSET_T	gid_t
1081 # endif
1082 # ifndef _PATH_UNIX
1083 #  define _PATH_UNIX	"/HI-UX"
1084 # endif
1085 # ifndef _PATH_SENDMAILCF
1086 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1087 # endif
1088 # ifndef IDENTPROTO
1089 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1090 # endif
1091 # ifndef HASGETUSERSHELL
1092 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1093 # endif
1094 
1095 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */
1096 # undef m_flags
1097 
1098 # ifdef __STDC__
1099 extern int	syslog(int, char *, ...);
1100 # endif
1101 
1102 #endif
1103 
1104 
1105 /*
1106 **  Amdahl UTS System V 2.1.5 (SVr3-based)
1107 **
1108 **    From: Janet Jackson <janet@dialix.oz.au>.
1109 */
1110 
1111 #ifdef _UTS
1112 # include <sys/sysmacros.h>
1113 # undef HASLSTAT	/* has symlinks, but they cause problems */
1114 # define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
1115 # define SYS5SIGNALS	1	/* System V signal semantics */
1116 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1117 # define HASUNAME	1	/* use System V uname(2) system call */
1118 # define HASINITGROUPS	1	/* has initgroups(3) function */
1119 # define HASSETVBUF	1	/* has setvbuf(3) function */
1120 # define HASSIGSETMASK	0	/* does not have sigsetmask(2) function */
1121 # ifndef HASGETUSERSHELL
1122 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
1123 # endif
1124 # define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
1125 # define LA_TYPE	LA_ZERO		/* doesn't have load average */
1126 # define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
1127 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1128 # define _PATH_UNIX	"/unix"
1129 # ifndef _PATH_SENDMAILCF
1130 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1131 # endif
1132 #endif
1133 
1134 /*
1135 **  Cray Computer Corporation's CSOS
1136 **
1137 **	From Scott Bolte <scott@craycos.com>.
1138 */
1139 
1140 #ifdef _CRAYCOM
1141 # define SYSTEM5	1	/* include all the System V defines */
1142 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1143 # define NEEDFSYNC	1	/* no fsync in system library */
1144 # define MAXPATHLEN	PATHSIZE
1145 # define LA_TYPE	LA_ZERO
1146 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1147 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1148 # define _POSIX_CHOWN_RESTRICTED	-1
1149 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1150 #endif
1151 
1152 
1153 /*
1154 **  Sony NEWS-OS 4.2.1R and 6.0.3
1155 **
1156 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1157 */
1158 
1159 #ifdef sony_news
1160 # ifndef __svr4
1161 			/* NEWS-OS 4.2.1R */
1162 #  ifndef BSD
1163 #   define BSD			/* has BSD routines */
1164 #  endif
1165 #  define HASUNSETENV	1	/* has unsetenv(2) call */
1166 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1167 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1168 #  define LA_TYPE	LA_INT
1169 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1170 #  ifndef HASFLOCK
1171 #   define HASFLOCK	1	/* has flock(2) call */
1172 #  endif
1173 #  define setpgid	setpgrp
1174 #  undef WIFEXITED
1175 #  undef WEXITSTATUS
1176 typedef int		pid_t;
1177 typedef int		(*sigfunc_t)();
1178 #  define SIGFUNC_DEFINED
1179 
1180 # else
1181 			/* NEWS-OS 6.0.3 with /bin/cc */
1182 #  define SYSTEM5	1	/* include all the System V defines */
1183 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1184 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1185 #  define USESETEUID	1	/* has useable seteuid(2) call */
1186 #  define HASSETSID	1	/* has Posix setsid(2) call */
1187 #  define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
1188 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1189 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statvfs() impl */
1190 #  ifndef SPT_TYPE
1191 #   define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
1192 #  endif
1193 #  define GIDSET_T	gid_t
1194 #  undef WIFEXITED
1195 #  undef WEXITSTATUS
1196 #  define _PATH_UNIX  "/stand/unix"
1197 #  ifndef _PATH_SENDMAILCF
1198 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
1199 #  endif
1200 #  ifndef _PATH_SENDMAILPID
1201 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
1202 #  endif
1203 
1204 # endif
1205 #endif
1206 
1207 
1208 /*
1209 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
1210 **
1211 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1212 */
1213 
1214 #ifdef luna
1215 # ifndef IDENTPROTO
1216 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1217 # endif
1218 # ifdef uniosb
1219 #  include <sys/time.h>
1220 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1221 # endif
1222 # define HASUNSETENV	1	/* has unsetenv(2) call */
1223 # define NEEDPUTENV	1	/* need putenv(3) call */
1224 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1225 # define WAITUNION	1	/* use "union wait" as wait argument type */
1226 # ifdef uniosb
1227 #  define LA_TYPE	LA_INT
1228 # endif
1229 # ifdef luna2m
1230 #  define LA_TYPE	LA_SUBR
1231 # endif
1232 # ifdef luna88k
1233 #  define LA_TYPE	LA_INT
1234 # endif
1235 # define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1236 # define setpgid	setpgrp
1237 # undef WIFEXITED
1238 # undef WEXITSTATUS
1239 typedef int		pid_t;
1240 typedef int		(*sigfunc_t)();
1241 # define SIGFUNC_DEFINED
1242 extern char	*getenv();
1243 extern int	errno;
1244 # ifndef _PATH_SENDMAILCF
1245 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1246 # endif
1247 #endif
1248 
1249 
1250 /*
1251 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
1252 **
1253 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1254 */
1255 
1256 #ifdef nec_ews_svr4
1257 # ifndef __svr4__
1258 #  define __svr4__		/* use all System V Releae 4 defines below */
1259 # endif
1260 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1261 # define HASSETSID	1	/* has Posix setsid(2) call */
1262 # define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
1263 # define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
1264 # define GIDSET_T	gid_t
1265 # undef WIFEXITED
1266 # undef WEXITSTATUS
1267 # define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
1268 #endif
1269 
1270 
1271 
1272 /**********************************************************************
1273 **  End of Per-Operating System defines
1274 **********************************************************************/
1275 /**********************************************************************
1276 **  More general defines
1277 **********************************************************************/
1278 
1279 /* general BSD defines */
1280 #ifdef BSD
1281 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1282 # define HASSETREUID	1	/* has setreuid(2) call */
1283 # define HASINITGROUPS	1	/* has initgroups(3) call */
1284 # ifndef HASSETRLIMIT
1285 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1286 # endif
1287 # ifndef HASFLOCK
1288 #  define HASFLOCK	1	/* has flock(2) call */
1289 # endif
1290 # ifndef TZ_TYPE
1291 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
1292 # endif
1293 #endif
1294 
1295 /* general System V Release 4 defines */
1296 #ifdef __svr4__
1297 # define SYSTEM5	1
1298 # define USESETEUID	1	/* has useable seteuid(2) call */
1299 # define HASINITGROUPS	1	/* has initgroups(3) call */
1300 # ifndef HASSETRLIMIT
1301 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1302 # endif
1303 # ifndef HASGETUSERSHELL
1304 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1305 # endif
1306 
1307 # ifndef _PATH_UNIX
1308 #  define _PATH_UNIX		"/unix"
1309 # endif
1310 # ifndef _PATH_SENDMAILCF
1311 #  define _PATH_SENDMAILCF	"/usr/ucblib/sendmail.cf"
1312 # endif
1313 # ifndef _PATH_SENDMAILPID
1314 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1315 # endif
1316 # ifndef SYSLOG_BUFSIZE
1317 #  define SYSLOG_BUFSIZE	128
1318 # endif
1319 # ifndef SFS_TYPE
1320 #  define SFS_TYPE		SFS_STATVFS
1321 # endif
1322 #endif
1323 
1324 /* general System V defines */
1325 #ifdef SYSTEM5
1326 # include <sys/sysmacros.h>
1327 # define HASUNAME	1	/* use System V uname(2) system call */
1328 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1329 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1330 # ifndef HASULIMIT
1331 #  define HASULIMIT	1	/* has the ulimit(2) syscall */
1332 # endif
1333 # ifndef LA_TYPE
1334 #  ifdef MIOC_READKSYM
1335 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1336 #  else
1337 #   define LA_TYPE	LA_INT		/* assume integer load average */
1338 #  endif
1339 # endif
1340 # ifndef SFS_TYPE
1341 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
1342 # endif
1343 # ifndef TZ_TYPE
1344 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1345 # endif
1346 # define bcopy(s, d, l)		(memmove((d), (s), (l)))
1347 # define bzero(d, l)		(memset((d), '\0', (l)))
1348 # define bcmp(s, d, l)		(memcmp((s), (d), (l)))
1349 #endif
1350 
1351 /* general POSIX defines */
1352 #ifdef _POSIX_VERSION
1353 # define HASSETSID	1	/* has Posix setsid(2) call */
1354 # define HASWAITPID	1	/* has Posix waitpid(2) call */
1355 # if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
1356 #  define USESETEUID	1	/* has useable seteuid(2) call */
1357 # endif
1358 #endif
1359 /*
1360 **  Tweaking for systems that (for example) claim to be BSD or POSIX
1361 **  but don't have all the standard BSD or POSIX routines (boo hiss).
1362 */
1363 
1364 #ifdef titan
1365 # undef HASINITGROUPS		/* doesn't have initgroups(3) call */
1366 #endif
1367 
1368 #ifdef _CRAYCOM
1369 # undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
1370 #endif
1371 
1372 #ifdef ISC_UNIX
1373 # undef bcopy			/* despite SystemV claim, uses BSD bcopy */
1374 #endif
1375 
1376 #ifdef ALTOS_SYS_V
1377 # undef bcopy			/* despite SystemV claim, uses BSD bcopy */
1378 # undef bzero			/* despite SystemV claim, uses BSD bzero */
1379 # undef bcmp			/* despite SystemV claim, uses BSD bcmp */
1380 #endif
1381 
1382 
1383 /*
1384 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
1385 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
1386 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
1387 **  are closed.  Some firewalls return this error if you try to connect
1388 **  to the IDENT port (113), so you can't receive email from these hosts
1389 **  on these systems.  The firewall really should use a more specific
1390 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB.  If
1391 **  not explicitly set to zero above, default it on.
1392 */
1393 
1394 #ifndef IDENTPROTO
1395 # define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
1396 #endif
1397 
1398 #ifndef IP_SRCROUTE
1399 # define IP_SRCROUTE	1	/* Detect IP source routing */
1400 #endif
1401 
1402 #ifndef HASGETUSERSHELL
1403 # define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
1404 #endif
1405 
1406 #ifndef HASFLOCK
1407 # define HASFLOCK	0	/* assume no flock(2) support */
1408 #endif
1409 
1410 #ifndef HASSETREUID
1411 # define HASSETREUID	0	/* assume no setreuid(2) call */
1412 #endif
1413 
1414 #ifndef USESETEUID
1415 # define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
1416 #endif
1417 
1418 #ifndef HASSETRLIMIT
1419 # define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
1420 #endif
1421 
1422 #ifndef HASULIMIT
1423 # define HASULIMIT	0	/* assume no ulimit(2) support */
1424 #endif
1425 
1426 #ifndef OLD_NEWDB
1427 # define OLD_NEWDB	0	/* assume newer version of newdb */
1428 #endif
1429 
1430 /* heuristic setting of HASSETSIGMASK; can override above */
1431 #ifndef HASSIGSETMASK
1432 # ifdef SIGVTALRM
1433 #  define HASSETSIGMASK	1
1434 # else
1435 #  define HASSETSIGMASK	0
1436 # endif
1437 #endif
1438 
1439 /*
1440 **  If no type for argument two of getgroups call is defined, assume
1441 **  it's an integer -- unfortunately, there seem to be several choices
1442 **  here.
1443 */
1444 
1445 #ifndef GIDSET_T
1446 # define GIDSET_T	int
1447 #endif
1448 
1449 #ifndef UID_T
1450 # define UID_T		uid_t
1451 #endif
1452 
1453 #ifndef SIZE_T
1454 # define SIZE_T		size_t
1455 #endif
1456 
1457 #ifndef ARGV_T
1458 # define ARGV_T		char **
1459 #endif
1460 
1461 
1462 /**********************************************************************
1463 **  Remaining definitions should never have to be changed.  They are
1464 **  primarily to provide back compatibility for older systems -- for
1465 **  example, it includes some POSIX compatibility definitions
1466 **********************************************************************/
1467 
1468 /* System 5 compatibility */
1469 #ifndef S_ISREG
1470 # define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
1471 #endif
1472 #if !defined(S_ISLNK) && defined(S_IFLNK)
1473 # define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
1474 #endif
1475 #ifndef S_IWUSR
1476 # define S_IWUSR		0200
1477 #endif
1478 #ifndef S_IWGRP
1479 # define S_IWGRP		0020
1480 #endif
1481 #ifndef S_IWOTH
1482 # define S_IWOTH		0002
1483 #endif
1484 
1485 /*
1486 **  Older systems don't have this error code -- it should be in
1487 **  /usr/include/sysexits.h.
1488 */
1489 
1490 # ifndef EX_CONFIG
1491 # define EX_CONFIG	78	/* configuration error */
1492 # endif
1493 
1494 /* pseudo-code used in server SMTP */
1495 # define EX_QUIT	22	/* drop out of server immediately */
1496 
1497 
1498 /*
1499 **  These are used in a few cases where we need some special
1500 **  error codes, but where the system doesn't provide something
1501 **  reasonable.  They are printed in errstring.
1502 */
1503 
1504 #ifndef E_PSEUDOBASE
1505 # define E_PSEUDOBASE	256
1506 #endif
1507 
1508 #define EOPENTIMEOUT	(E_PSEUDOBASE + 0)	/* timeout on open */
1509 #define E_DNSBASE	(E_PSEUDOBASE + 20)	/* base for DNS h_errno */
1510 
1511 /* type of arbitrary pointer */
1512 #ifndef ARBPTR_T
1513 # define ARBPTR_T	void *
1514 #endif
1515 
1516 #ifndef __P
1517 # include "cdefs.h"
1518 #endif
1519 
1520 #if NAMED_BIND
1521 # include <arpa/nameser.h>
1522 # ifdef __svr4__
1523 #  ifdef NOERROR
1524 #   undef NOERROR		/* avoid compiler conflict with stream.h */
1525 #  endif
1526 # endif
1527 #endif
1528 
1529 /*
1530 **  The size of an IP address -- can't use sizeof because of problems
1531 **  on Crays, where everything is 64 bits.  This will break if/when
1532 **  IP addresses are expanded to eight bytes.
1533 */
1534 
1535 #ifndef INADDRSZ
1536 # define INADDRSZ	4
1537 #endif
1538 
1539 /*
1540 **  The size of various known types -- for reading network protocols.
1541 **  Again, we can't use sizeof because of compiler randomness.
1542 */
1543 
1544 #ifndef INT16SZ
1545 # define INT16SZ	2
1546 #endif
1547 #ifndef INT32SZ
1548 # define INT32SZ	4
1549 #endif
1550 
1551 /*
1552 **  Do some required dependencies
1553 */
1554 
1555 #if defined(NETINET) || defined(NETISO)
1556 # define SMTP		1	/* enable user and server SMTP */
1557 # define QUEUE		1	/* enable queueing */
1558 # define DAEMON		1	/* include the daemon (requires IPC & SMTP) */
1559 #endif
1560 
1561 
1562 /*
1563 **  Arrange to use either varargs or stdargs
1564 */
1565 
1566 # ifdef __STDC__
1567 
1568 # include <stdarg.h>
1569 
1570 # define VA_LOCAL_DECL	va_list ap;
1571 # define VA_START(f)	va_start(ap, f)
1572 # define VA_END		va_end(ap)
1573 
1574 # else
1575 
1576 # include <varargs.h>
1577 
1578 # define VA_LOCAL_DECL	va_list ap;
1579 # define VA_START(f)	va_start(ap)
1580 # define VA_END		va_end(ap)
1581 
1582 # endif
1583 
1584 #ifdef HASUNAME
1585 # include <sys/utsname.h>
1586 # ifdef newstr
1587 #  undef newstr
1588 # endif
1589 #else /* ! HASUNAME */
1590 # define NODE_LENGTH 32
1591 struct utsname
1592 {
1593 	char nodename[NODE_LENGTH+1];
1594 };
1595 #endif /* HASUNAME */
1596 
1597 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYS_V)
1598 # define MAXHOSTNAMELEN	256
1599 #endif
1600 
1601 #if !defined(SIGCHLD) && defined(SIGCLD)
1602 # define SIGCHLD	SIGCLD
1603 #endif
1604 
1605 #ifndef STDIN_FILENO
1606 # define STDIN_FILENO	0
1607 #endif
1608 
1609 #ifndef STDOUT_FILENO
1610 # define STDOUT_FILENO	1
1611 #endif
1612 
1613 #ifndef STDERR_FILENO
1614 # define STDERR_FILENO	2
1615 #endif
1616 
1617 #ifndef LOCK_SH
1618 # define LOCK_SH	0x01	/* shared lock */
1619 # define LOCK_EX	0x02	/* exclusive lock */
1620 # define LOCK_NB	0x04	/* non-blocking lock */
1621 # define LOCK_UN	0x08	/* unlock */
1622 #endif
1623 
1624 #ifndef SEEK_SET
1625 # define SEEK_SET	0
1626 # define SEEK_CUR	1
1627 # define SEEK_END	2
1628 #endif
1629 
1630 #ifndef SIG_ERR
1631 # define SIG_ERR	((void (*)()) -1)
1632 #endif
1633 
1634 #ifndef WEXITSTATUS
1635 # define WEXITSTATUS(st)	(((st) >> 8) & 0377)
1636 #endif
1637 #ifndef WIFEXITED
1638 # define WIFEXITED(st)		(((st) & 0377) == 0)
1639 #endif
1640 
1641 #ifndef SIGFUNC_DEFINED
1642 typedef void		(*sigfunc_t) __P((int));
1643 #endif
1644 
1645 /* size of syslog buffer */
1646 #ifndef SYSLOG_BUFSIZE
1647 # define SYSLOG_BUFSIZE	1024
1648 #endif
1649 
1650 /*
1651 **  Size of tobuf (deliver.c)
1652 **	Tweak this to match your syslog implementation.  It will have to
1653 **	allow for the extra information printed.
1654 */
1655 
1656 #ifndef TOBUFSIZE
1657 # if (SYSLOG_BUFSIZE) > 512
1658 #  define TOBUFSIZE	(SYSLOG_BUFSIZE - 256)
1659 # else
1660 #  define TOBUFSIZE	256
1661 # endif
1662 #endif
1663 
1664 /*
1665 **  Size of prescan buffer.
1666 **	Despite comments in the _sendmail_ book, this probably should
1667 **	not be changed; there are some hard-to-define dependencies.
1668 */
1669 
1670 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
1671 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
1672 # ifndef FORK
1673 # define FORK		vfork		/* function to call to fork mailer */
1674 # endif
1675 
1676 /*
1677 **  If we are going to link scanf anyway, use it in readcf
1678 */
1679 
1680 #if !defined(HASUNAME) && !defined(SCANF)
1681 # define SCANF		1
1682 #endif
1683