xref: /original-bsd/usr.sbin/sendmail/src/conf.h (revision e579053f)
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	8.163 (Berkeley) 05/22/95
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	1000		/* 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 HASSETREUID	1	/* has setreuid(2) call */
138 # define setreuid(r, e)		setresuid(r, 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 2.2 (a.k.a. SunOS 5.2).
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 #  include <sys/time.h>
260 #  define GIDSET_T	gid_t
261 #  ifndef _PATH_UNIX
262 #   define _PATH_UNIX	"/dev/ksyms"
263 #  endif
264 #  ifndef _PATH_SENDMAILCF
265 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
266 #  endif
267 #  ifndef _PATH_SENDMAILPID
268 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
269 #  endif
270 #  ifndef _PATH_HOSTS
271 #   define _PATH_HOSTS		"/etc/inet/hosts"
272 #  endif
273 #  ifndef SYSLOG_BUFSIZE
274 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
275 #  endif
276 
277 # else
278 			/* SunOS 4.0.3 or 4.1.x */
279 #  define HASSETREUID	1	/* has setreuid(2) call */
280 #  ifndef HASFLOCK
281 #   define HASFLOCK	1	/* has flock(2) call */
282 #  endif
283 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
284 #  include <vfork.h>
285 
286 #  ifdef SUNOS403
287 			/* special tweaking for SunOS 4.0.3 */
288 #   include <malloc.h>
289 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
290 #   define WAITUNION	1	/* use "union wait" as wait argument type */
291 #   undef WIFEXITED
292 #   undef WEXITSTATUS
293 #   undef HASUNAME
294 #   define setpgid	setpgrp
295 typedef int		pid_t;
296 extern char		*getenv();
297 
298 #  else
299 			/* 4.1.x specifics */
300 #   define HASSETSID	1	/* has Posix setsid(2) call */
301 #   define HASSETVBUF	1	/* we have setvbuf(3) in libc */
302 
303 #  endif
304 # endif
305 #endif
306 
307 /*
308 **  DG/UX
309 **
310 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
311 **	older support.
312 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
313 */
314 
315 #ifdef DGUX_5_4_2
316 # define DGUX		1
317 #endif
318 
319 #ifdef	DGUX
320 # define SYSTEM5	1
321 # define LA_TYPE	LA_DGUX
322 # define HASSETREUID	1	/* has setreuid(2) call */
323 # define HASUNAME	1	/* use System V uname(2) system call */
324 # define HASSETSID	1	/* has Posix setsid(2) call */
325 # define HASINITGROUPS	1	/* has initgroups(3) call */
326 # define HASGETUSERSHELL 0	/* does not have getusershell(3) */
327 # ifndef IDENTPROTO
328 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
329 # endif
330 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
331 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
332 
333 /* these include files must be included early on DG/UX */
334 # include <netinet/in.h>
335 # include <arpa/inet.h>
336 
337 # ifdef DGUX_5_4_2
338 #  define inet_addr	dgux_inet_addr
339 extern long	dgux_inet_addr();
340 # endif
341 #endif
342 
343 
344 /*
345 **  Digital Ultrix 4.2A or 4.3
346 **
347 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
348 **	not dropped when the process exits.  This causes major problems,
349 **	so flock is the only alternative.
350 */
351 
352 #ifdef ultrix
353 # define HASSETREUID	1	/* has setreuid(2) call */
354 # define HASUNSETENV	1	/* has unsetenv(3) call */
355 # define HASINITGROUPS	1	/* has initgroups(3) call */
356 # define HASUNAME	1	/* use System V uname(2) system call */
357 # ifndef HASFLOCK
358 #  define HASFLOCK	1	/* has flock(2) call */
359 # endif
360 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
361 # ifndef BROKEN_RES_SEARCH
362 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
363 # endif
364 # ifdef vax
365 #  define LA_TYPE	LA_FLOAT
366 # else
367 #  define LA_TYPE	LA_INT
368 #  define LA_AVENRUN	"avenrun"
369 # endif
370 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
371 # ifndef IDENTPROTO
372 #  define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
373 # endif
374 #endif
375 
376 
377 /*
378 **  OSF/1 for Intel Paragon.
379 **
380 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
381 **	of Intel Scalable Systems Divison.
382 */
383 
384 #ifdef __PARAGON__
385 # define __osf__	1	/* get OSF/1 defines below */
386 # ifndef _PATH_SENDMAILCF
387 #  define _PATH_SENDMAILCF	"/var/adm/sendmail/sendmail.cf"
388 # endif
389 #endif
390 
391 
392 /*
393 **  OSF/1 (tested on Alpha)
394 */
395 
396 #ifdef __osf__
397 # define HASUNSETENV	1	/* has unsetenv(3) call */
398 # define HASSETREUID	1	/* has setreuid(2) call */
399 # define HASINITGROUPS	1	/* has initgroups(3) call */
400 # ifndef HASFLOCK
401 #  define HASFLOCK	1	/* has flock(2) call */
402 # endif
403 # define LA_TYPE	LA_INT
404 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
405 # ifndef _PATH_SENDMAILPID
406 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
407 # endif
408 #endif
409 
410 
411 /*
412 **  NeXTstep
413 */
414 
415 #ifdef NeXT
416 # define HASINITGROUPS	1	/* has initgroups(3) call */
417 # ifndef HASFLOCK
418 #  define HASFLOCK	1	/* has flock(2) call */
419 # endif
420 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
421 # define WAITUNION	1	/* use "union wait" as wait argument type */
422 # define UID_T		int	/* compiler gripes on uid_t */
423 # define sleep		sleepX
424 # define setpgid	setpgrp
425 # ifndef LA_TYPE
426 #  define LA_TYPE	LA_MACH
427 # endif
428 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
429 # ifndef _POSIX_SOURCE
430 typedef int		pid_t;
431 #  undef WEXITSTATUS
432 #  undef WIFEXITED
433 # endif
434 # ifndef _PATH_SENDMAILCF
435 #  define _PATH_SENDMAILCF	"/etc/sendmail/sendmail.cf"
436 # endif
437 # ifndef _PATH_SENDMAILPID
438 #  define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
439 # endif
440 #endif
441 
442 
443 /*
444 **  4.4 BSD
445 **
446 **	See also BSD defines.
447 */
448 
449 #ifdef BSD4_4
450 # define HASUNSETENV	1	/* has unsetenv(3) call */
451 # include <sys/cdefs.h>
452 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
453 # define BSD4_4_SOCKADDR	/* has sa_len */
454 # define NETLINK		/* supports AF_LINK */
455 # ifndef LA_TYPE
456 #  define LA_TYPE	LA_SUBR
457 # endif
458 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
459 # define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
460 #endif
461 
462 
463 /*
464 **  BSD/386 (all versions)
465 **	From Tony Sanders, BSDI
466 */
467 
468 #ifdef __bsdi__
469 # define HASUNSETENV	1	/* has the unsetenv(3) call */
470 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
471 # include <sys/cdefs.h>
472 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
473 # define BSD4_4_SOCKADDR	/* has sa_len */
474 # define NETLINK		/* supports AF_LINK */
475 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
476 # ifndef LA_TYPE
477 #  define LA_TYPE	LA_SUBR
478 # endif
479 # define GIDSET_T	gid_t
480 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
481 			/* version 1.1 or later */
482 #  undef SPT_TYPE
483 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
484 # else
485 			/* version 1.0 or earlier */
486 #  ifndef OLD_NEWDB
487 #   define OLD_NEWDB	1	/* old version of newdb library */
488 #  endif
489 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
490 # endif
491 #endif
492 
493 
494 
495 /*
496 **  386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions)
497 **
498 **  4.3BSD clone, closer to 4.4BSD
499 **
500 **	See also BSD defines.
501 */
502 
503 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
504 # define HASUNSETENV	1	/* has unsetenv(3) call */
505 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
506 # ifdef __NetBSD__
507 #  define HASUNAME	1	/* has uname(2) syscall */
508 # endif
509 # include <sys/cdefs.h>
510 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
511 # define BSD4_4_SOCKADDR	/* has sa_len */
512 # define NETLINK		/* supports AF_LINK */
513 # ifndef LA_TYPE
514 #  define LA_TYPE	LA_SUBR
515 # endif
516 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
517 #endif
518 
519 
520 /*
521 **  Mach386
522 **
523 **	For mt Xinu's Mach386 system.
524 */
525 
526 #if defined(MACH) && defined(i386)
527 # define MACH386	1
528 # define HASUNSETENV	1	/* has unsetenv(3) call */
529 # define HASINITGROUPS	1	/* has initgroups(3) call */
530 # ifndef HASFLOCK
531 #  define HASFLOCK	1	/* has flock(2) call */
532 # endif
533 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
534 # define NEEDSTRTOL	1	/* need the strtol() function */
535 # define setpgid	setpgrp
536 # ifndef LA_TYPE
537 #  define LA_TYPE	LA_FLOAT
538 # endif
539 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
540 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
541 # undef WEXITSTATUS
542 # undef WIFEXITED
543 # ifndef _PATH_SENDMAILCF
544 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
545 # endif
546 # ifndef _PATH_SENDMAILPID
547 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
548 # endif
549 #endif
550 
551 
552 /*
553 **  4.3 BSD -- this is for very old systems
554 **
555 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
556 **
557 **	You'll also have to install a new resolver library.
558 **	I don't guarantee that support for this environment is complete.
559 */
560 
561 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
562 # define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
563 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
564 # define ARBPTR_T	char *
565 # define setpgid	setpgrp
566 # ifndef LA_TYPE
567 #  define LA_TYPE	LA_FLOAT
568 # endif
569 # ifndef _PATH_SENDMAILCF
570 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
571 # endif
572 # ifndef IDENTPROTO
573 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
574 # endif
575 # undef WEXITSTATUS
576 # undef WIFEXITED
577 typedef short		pid_t;
578 extern int		errno;
579 #endif
580 
581 
582 /*
583 **  SCO Unix
584 **
585 **	This includes two parts -- the first is for SCO Open Server 3.2v4
586 **	(contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
587 **	The second is, I believe, for an older version.
588 */
589 
590 #ifdef _SCO_unix_4_2
591 # define _SCO_unix_
592 # define HASSETREUID	1	/* has setreuid(2) call */
593 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
594 # define _PATH_UNIX	"/unix"
595 # ifndef _PATH_SENDMAILCF
596 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
597 # endif
598 # ifndef _PATH_SENDMAILPID
599 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
600 # endif
601 #endif
602 
603 #ifdef _SCO_unix_
604 # define SYSTEM5	1	/* include all the System V defines */
605 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
606 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
607 # define FORK		fork
608 # define MAXPATHLEN	PATHSIZE
609 # define LA_TYPE	LA_SHORT
610 # define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
611 # define SFS_BAVAIL	f_bfree		/* alternate field name */
612 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
613 # undef NETUNIX			/* no unix domain socket support */
614 #endif
615 
616 
617 /*
618 **  ISC (SunSoft) Unix.
619 **
620 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
621 */
622 
623 #ifdef ISC_UNIX
624 # include <net/errno.h>
625 # define SYSTEM5	1	/* include all the System V defines */
626 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
627 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
628 # define HASSETREUID	1	/* has setreuid(2) call */
629 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
630 # undef NETUNIX			/* no unix domain socket support */
631 # define FORK		fork
632 # define MAXPATHLEN	1024
633 # define LA_TYPE	LA_SHORT
634 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
635 # define SFS_BAVAIL	f_bfree		/* alternate field name */
636 # define _PATH_UNIX	"/unix"
637 # ifndef _PATH_SENDMAILCF
638 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
639 # endif
640 # ifndef _PATH_SENDMAILPID
641 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
642 # endif
643 
644 typedef short		pid_t;
645 
646 #endif
647 
648 
649 /*
650 **  Altos System V.
651 **	Contributed by Tim Rice <timr@crl.com>.
652 */
653 
654 #ifdef ALTOS_SYS_V
655 # include <limits.h>
656 # define SYSTEM5	1	/* include all the System V defines */
657 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
658 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
659 # define WAITUNION	1	/* use "union wait" as wait argument type */
660 # define NEEDFSYNC	1	/* no fsync(2) in system library */
661 # define FORK		fork
662 # define MAXPATHLEN	PATHSIZE
663 # define LA_TYPE	LA_SHORT
664 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
665 # define SFS_BAVAIL	f_bfree		/* alternate field name */
666 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
667 # undef NETUNIX			/* no unix domain socket support */
668 # undef WIFEXITED
669 # undef WEXITSTATUS
670 # define strtoul	strtol	/* gcc library bogosity */
671 
672 typedef unsigned short	uid_t;
673 typedef unsigned short	gid_t;
674 typedef short		pid_t;
675 #endif
676 
677 
678 /*
679 **  ConvexOS 11.0 and later
680 **
681 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
682 **	works on 9.1 as well.
683 */
684 
685 #ifdef _CONVEX_SOURCE
686 # define BSD		1	/* include all the BSD defines */
687 # define HASUNAME	1	/* use System V uname(2) system call */
688 # define HASSETSID	1	/* has POSIX setsid(2) call */
689 # define NEEDGETOPT	1	/* need replacement for getopt(3) */
690 # define LA_TYPE	LA_FLOAT
691 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
692 # ifndef _PATH_SENDMAILCF
693 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
694 # endif
695 # ifndef S_IREAD
696 #  define S_IREAD	_S_IREAD
697 #  define S_IWRITE	_S_IWRITE
698 #  define S_IEXEC	_S_IEXEC
699 #  define S_IFMT	_S_IFMT
700 #  define S_IFCHR	_S_IFCHR
701 #  define S_IFBLK	_S_IFBLK
702 # endif
703 # ifndef IDENTPROTO
704 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
705 # endif
706 # ifndef IP_SRCROUTE
707 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
708 # endif
709 #endif
710 
711 
712 /*
713 **  RISC/os 4.52
714 **
715 **	Gives a ton of warning messages, but otherwise compiles.
716 */
717 
718 #ifdef RISCOS
719 
720 # define HASUNSETENV	1	/* has unsetenv(3) call */
721 # ifndef HASFLOCK
722 #  define HASFLOCK	1	/* has flock(2) call */
723 # endif
724 # define WAITUNION	1	/* use "union wait" as wait argument type */
725 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
726 # define LA_TYPE	LA_INT
727 # define LA_AVENRUN	"avenrun"
728 # define _PATH_UNIX	"/unix"
729 # undef WIFEXITED
730 
731 # define setpgid	setpgrp
732 
733 extern int		errno;
734 typedef int		pid_t;
735 #define			SIGFUNC_DEFINED
736 typedef int		(*sigfunc_t)();
737 extern char		*getenv();
738 extern void		*malloc();
739 
740 #endif
741 
742 
743 /*
744 **  Linux 0.99pl10 and above...
745 **
746 **  Thanks to, in reverse order of contact:
747 **
748 **	John Kennedy <warlock@csuchico.edu>
749 **	Andrew Pam <avatar@aus.xanadu.com>
750 **	Florian La Roche <rzsfl@rz.uni-sb.de>
751 **	Karl London <karl@borg.demon.co.uk>
752 **
753 **  Last compiled against:	[12/14/94 @ 11:38:41 PM (Wednesday)]
754 **	sendmail 8.7.a.5	named 4.9.3-beta12-p1	db-1.85
755 **	gcc 2.6.2		libc.so.4.6.20
756 **	slackware 2.1.0		linux 1.1.70
757 */
758 
759 #ifdef __linux__
760 # define BSD		1	/* include BSD defines */
761 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
762 # define HASUNAME	1	/* use System V uname(2) system call */
763 # define HASUNSETENV	1	/* has unsetenv(3) call */
764 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
765 # define GIDSET_T	gid_t	/* from <linux/types.h> */
766 # define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
767 # ifndef HASFLOCK
768 #  define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
769 # endif
770 # ifndef LA_TYPE
771 #  define LA_TYPE	LA_PROCSTR
772 # endif
773 # define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
774 # ifndef _PATH_SENDMAILPID
775 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
776 # endif
777 # define TZ_TYPE	TZ_TNAME
778 # include <sys/sysmacros.h>
779 # undef atol			/* wounded in <stdlib.h> */
780 #endif
781 
782 
783 /*
784 **  DELL SVR4 Issue 2.2, and others
785 **	From Kimmo Suominen <kim@grendel.lut.fi>
786 **
787 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
788 **	defined, and the definitions conflict.
789 **
790 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
791 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
792 **	(SVR4.0/386 version 3.0).
793 */
794 
795 #ifdef DELL_SVR4
796 				/* no changes necessary */
797 				/* see general __svr4__ defines below */
798 #endif
799 
800 
801 /*
802 **  Apple A/UX 3.0
803 */
804 
805 #ifdef _AUX_SOURCE
806 # include <sys/sysmacros.h>
807 # define BSD			/* has BSD routines */
808 # define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
809 # define HASUNAME	1	/* use System V uname(2) system call */
810 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
811 # define SIGFUNC_DEFINED	/* sigfunc_t already defined */
812 # ifndef IDENTPROTO
813 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
814 # endif
815 # define FORK		fork
816 # ifndef _PATH_SENDMAILCF
817 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
818 # endif
819 # ifndef LA_TYPE
820 #  define LA_TYPE	LA_ZERO
821 # endif
822 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
823 # undef WIFEXITED
824 # undef WEXITSTATUS
825 #endif
826 
827 
828 /*
829 **  Encore UMAX V
830 **
831 **	Not extensively tested.
832 */
833 
834 #ifdef UMAXV
835 # include <limits.h>
836 # define HASUNAME	1	/* use System V uname(2) system call */
837 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
838 # define HASINITGROUPS	1	/* has initgroups(3) call */
839 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
840 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
841 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
842 # define FORK		fork	/* no vfork(2) primitive available */
843 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
844 # define MAXPATHLEN	PATH_MAX
845 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
846 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
847 # undef WIFEXITED
848 # undef WEXITSTATUS
849 #endif
850 
851 
852 /*
853 **  Stardent Titan 3000 running TitanOS 4.2.
854 **
855 **	Must be compiled in "cc -43" mode.
856 **
857 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
858 **
859 **	Note the tweaking below after the BSD defines are set.
860 */
861 
862 #ifdef titan
863 # define setpgid	setpgrp
864 typedef int		pid_t;
865 # undef WIFEXITED
866 # undef WEXITSTATUS
867 #endif
868 
869 
870 /*
871 **  Sequent DYNIX 3.2.0
872 **
873 **	From Jim Davis <jdavis@cs.arizona.edu>.
874 */
875 
876 #ifdef sequent
877 
878 # define BSD		1
879 # define HASUNSETENV	1
880 # define BSD4_3		1	/* to get signal() in conf.c */
881 # define WAITUNION	1
882 # define LA_TYPE	LA_FLOAT
883 # ifdef	_POSIX_VERSION
884 #  undef _POSIX_VERSION		/* set in <unistd.h> */
885 # endif
886 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
887 # define setpgid	setpgrp
888 
889 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
890 # undef	WIFEXITED
891 # define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
892 			 ((union wait*)&(s))->w_termsig == 0)
893 # define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
894 typedef int		pid_t;
895 # define isgraph(c)	(isprint(c) && (c != ' '))
896 
897 # ifndef IDENTPROTO
898 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
899 # endif
900 
901 # ifndef _PATH_UNIX
902 #  define _PATH_UNIX	"/dynix"
903 # endif
904 # ifndef _PATH_SENDMAILCF
905 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
906 # endif
907 
908 #endif
909 
910 
911 /*
912 **  Sequent DYNIX/ptx v2.0 (and higher)
913 **
914 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
915 **
916 **	From Tim Wright <timw@sequent.com>.
917 */
918 
919 #ifdef _SEQUENT_
920 # define SYSTEM5	1	/* include all the System V defines */
921 # define HASSETSID	1	/* has POSIX setsid(2) call */
922 # define HASINITGROUPS	1	/* has initgroups(3) call */
923 # define HASSETREUID	1	/* has setreuid(2) call */
924 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
925 # define GIDSET_T	gid_t
926 # define LA_TYPE	LA_INT
927 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
928 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
929 # ifndef IDENTPROTO
930 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
931 # endif
932 # ifndef _PATH_SENDMAILCF
933 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
934 # endif
935 # ifndef _PATH_SENDMAILPID
936 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
937 # endif
938 #endif
939 
940 
941 /*
942 **  Cray Unicos
943 **
944 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
945 */
946 
947 #ifdef UNICOS
948 # define SYSTEM5	1	/* include all the System V defines */
949 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
950 # define MAXPATHLEN	PATHSIZE
951 # define LA_TYPE	LA_ZERO
952 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
953 # define SFS_BAVAIL	f_bfree		/* alternate field name */
954 #endif
955 
956 
957 /*
958 **  Apollo DomainOS
959 **
960 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
961 **
962 **  15 Jan 1994
963 **
964 */
965 
966 #ifdef apollo
967 # define HASSETREUID	1	/* has setreuid(2) call */
968 # define HASINITGROUPS	1	/* has initgroups(2) call */
969 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
970 # define LA_TYPE	LA_SUBR		/* use getloadavg.c */
971 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
972 # define SFS_BAVAIL	f_bfree		/* alternate field name */
973 # ifndef _PATH_SENDMAILCF
974 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
975 # endif
976 # ifndef _PATH_SENDMAILPID
977 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
978 # endif
979 # undef  S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
980 # undef  S_IFIFO
981 # define S_IFIFO	0010000
982 # ifndef IDENTPROTO
983 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
984 # endif
985 #endif
986 
987 
988 /*
989 **  UnixWare 1.1.2.
990 **
991 **	From Evan Champion <evanc@spatial.synapse.org>.
992 */
993 
994 #ifdef UNIXWARE
995 # define SYSTEM5		1
996 # define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
997 # define HASGETDTABLESIZE	1
998 # define HASSETREUID		1
999 # define HASSETSID		1
1000 # define HASINITGROUPS		1
1001 # define GIDSET_T		gid_t
1002 # define SLEEP_T		unsigned
1003 # define SFS_TYPE		SFS_STATVFS
1004 # define LA_TYPE		LA_ZERO
1005 # undef WIFEXITED
1006 # undef WEXITSTATUS
1007 # define _PATH_UNIX		"/unix"
1008 # ifndef _PATH_SENDMAILCF
1009 #  define _PATH_SENDMAILCF	"/usr/ucblib/sendmail.cf"
1010 # endif
1011 # ifndef _PATH_SENDMAILPID
1012 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1013 # endif
1014 # define SYSLOG_BUFSIZE	128
1015 #endif
1016 
1017 
1018 /*
1019 **  Intergraph CLIX 3.1
1020 **
1021 **	From Paul Southworth <pauls@locust.cic.net>
1022 */
1023 
1024 #ifdef CLIX
1025 # define SYSTEM5	1	/* looks like System V */
1026 # ifndef HASGETUSERSHELL
1027 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1028 # endif
1029 # define DEV_BSIZE	512	/* device block size not defined */
1030 # define GIDSET_T	gid_t
1031 # undef LOG			/* syslog not available */
1032 # define NEEDFSYNC	1	/* no fsync in system library */
1033 # define GETSHORT	_getshort
1034 #endif
1035 
1036 
1037 /*
1038 **  NCR 3000 Series (SysVr4)
1039 **
1040 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1041 */
1042 
1043 #ifdef NCR3000
1044 # define __svr4__
1045 # undef BSD
1046 # define LA_AVENRUN	"avenrun"
1047 #endif
1048 
1049 
1050 /*
1051 **  Tandem NonStop-UX SVR4
1052 **
1053 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1054 */
1055 
1056 #ifdef NonStop_UX_BXX
1057 # define __svr4__
1058 #endif
1059 
1060 
1061 /*
1062 **  Hitachi 3050R & 3050RX Workstations running HI-UX/WE2.
1063 **
1064 **	Tested for 1.04 and 1.03
1065 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1066 */
1067 
1068 #ifdef __H3050R
1069 # define SYSTEM5	1	/* include all the System V defines */
1070 # define HASINITGROUPS	1	/* has initgroups(3) call */
1071 # define setreuid(r, e)	setresuid(r, e, -1)
1072 # define LA_TYPE	LA_FLOAT
1073 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1074 # define HASSETVBUF	/* HI-UX has no setlinebuf */
1075 # ifndef GIDSET_T
1076 #  define GIDSET_T	gid_t
1077 # endif
1078 # ifndef _PATH_UNIX
1079 #  define _PATH_UNIX	"/HI-UX"
1080 # endif
1081 # ifndef _PATH_SENDMAILCF
1082 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1083 # endif
1084 # ifndef IDENTPROTO
1085 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1086 # endif
1087 # ifndef HASGETUSERSHELL
1088 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1089 # endif
1090 
1091 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */
1092 # undef m_flags
1093 
1094 # ifdef __STDC__
1095 extern int	syslog(int, char *, ...);
1096 # endif
1097 
1098 #endif
1099 
1100 
1101 /*
1102 **  Amdahl UTS System V 2.1.5 (SVr3-based)
1103 **
1104 **    From: Janet Jackson <janet@dialix.oz.au>.
1105 */
1106 
1107 #ifdef _UTS
1108 # include <sys/sysmacros.h>
1109 # undef HASLSTAT	/* has symlinks, but they cause problems */
1110 # define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
1111 # define SYS5SIGNALS	1	/* System V signal semantics */
1112 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1113 # define HASUNAME	1	/* use System V uname(2) system call */
1114 # define HASINITGROUPS	1	/* has initgroups(3) function */
1115 # define HASSETVBUF	1	/* has setvbuf(3) function */
1116 # define HASSIGSETMASK	0	/* does not have sigsetmask(2) function */
1117 # ifndef HASGETUSERSHELL
1118 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
1119 # endif
1120 # define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
1121 # define LA_TYPE	LA_ZERO		/* doesn't have load average */
1122 # define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
1123 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1124 # define _PATH_UNIX	"/unix"
1125 # ifndef _PATH_SENDMAILCF
1126 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1127 # endif
1128 #endif
1129 
1130 /*
1131 **  Cray Computer Corporation's CSOS
1132 **
1133 **	From Scott Bolte <scott@craycos.com>.
1134 */
1135 
1136 #ifdef _CRAYCOM
1137 # define SYSTEM5	1	/* include all the System V defines */
1138 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1139 # define NEEDFSYNC	1	/* no fsync in system library */
1140 # define MAXPATHLEN	PATHSIZE
1141 # define LA_TYPE	LA_ZERO
1142 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1143 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1144 # define _POSIX_CHOWN_RESTRICTED	-1
1145 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1146 #endif
1147 
1148 
1149 /*
1150 **  Sony NEWS-OS 4.2.1R and 6.0.3
1151 **
1152 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1153 */
1154 
1155 #ifdef sony_news
1156 # ifndef __svr4
1157 			/* NEWS-OS 4.2.1R */
1158 #  ifndef BSD
1159 #   define BSD			/* has BSD routines */
1160 #  endif
1161 #  define HASUNSETENV	1	/* has unsetenv(2) call */
1162 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1163 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1164 #  define LA_TYPE	LA_INT
1165 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1166 #  ifndef HASFLOCK
1167 #   define HASFLOCK	1	/* has flock(2) call */
1168 #  endif
1169 #  define setpgid	setpgrp
1170 #  undef WIFEXITED
1171 #  undef WEXITSTATUS
1172 typedef int		pid_t;
1173 typedef int		(*sigfunc_t)();
1174 #  define SIGFUNC_DEFINED
1175 
1176 # else
1177 			/* NEWS-OS 6.0.3 with /bin/cc */
1178 #  define SYSTEM5	1	/* include all the System V defines */
1179 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1180 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1181 #  define HASSETREUID	1	/* has setreuid(2) call */
1182 #  define HASSETSID	1	/* has Posix setsid(2) call */
1183 #  define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
1184 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1185 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statvfs() impl */
1186 #  define GIDSET_T	gid_t
1187 #  define setreuid(r, e)	seteuid(e)
1188 #  undef WIFEXITED
1189 #  undef WEXITSTATUS
1190 #  define _PATH_UNIX  "/stand/unix"
1191 #  ifndef _PATH_SENDMAILCF
1192 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
1193 #  endif
1194 #  ifndef _PATH_SENDMAILPID
1195 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
1196 #  endif
1197 
1198 # endif
1199 #endif
1200 
1201 
1202 /*
1203 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
1204 **
1205 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1206 */
1207 
1208 #ifdef luna
1209 # ifndef IDENTPROTO
1210 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1211 # endif
1212 # ifdef uniosb
1213 #  include <sys/time.h>
1214 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1215 # endif
1216 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1217 # define WAITUNION	1	/* use "union wait" as wait argument type */
1218 # ifdef uniosb
1219 #  define LA_TYPE	LA_INT
1220 # endif
1221 # ifdef luna2m
1222 #  define LA_TYPE	LA_SUBR
1223 # endif
1224 # ifdef luna88k
1225 #  define LA_TYPE	LA_INT
1226 # endif
1227 # define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1228 # define setpgid	setpgrp
1229 # undef WIFEXITED
1230 # undef WEXITSTATUS
1231 typedef int		pid_t;
1232 typedef int		(*sigfunc_t)();
1233 # define SIGFUNC_DEFINED
1234 extern char	*getenv();
1235 extern int	errno;
1236 # ifndef _PATH_SENDMAILCF
1237 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1238 # endif
1239 #endif
1240 
1241 
1242 /*
1243 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
1244 **
1245 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1246 */
1247 
1248 #ifdef nec_ews_svr4
1249 # ifndef __svr4__
1250 #  define __svr4__		/* use all System V Releae 4 defines below */
1251 # endif
1252 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1253 # define HASSETSID	1	/* has Posix setsid(2) call */
1254 # define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
1255 # define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
1256 # define GIDSET_T	gid_t
1257 # undef WIFEXITED
1258 # undef WEXITSTATUS
1259 # define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
1260 #endif
1261 
1262 
1263 
1264 /**********************************************************************
1265 **  End of Per-Operating System defines
1266 **********************************************************************/
1267 
1268 /**********************************************************************
1269 **  More general defines
1270 **********************************************************************/
1271 
1272 /* general BSD defines */
1273 #ifdef BSD
1274 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1275 # define HASSETREUID	1	/* has setreuid(2) call */
1276 # define HASINITGROUPS	1	/* has initgroups(3) call */
1277 # ifndef HASSETRLIMIT
1278 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1279 # endif
1280 # ifndef HASFLOCK
1281 #  define HASFLOCK	1	/* has flock(2) call */
1282 # endif
1283 # ifndef TZ_TYPE
1284 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
1285 # endif
1286 #endif
1287 
1288 /* general System V Release 4 defines */
1289 #ifdef __svr4__
1290 # define SYSTEM5	1
1291 # define HASSETREUID	1	/* has seteuid(2) call & working saved uids */
1292 # define HASINITGROUPS	1	/* has initgroups(3) call */
1293 # ifndef HASSETRLIMIT
1294 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1295 # endif
1296 # ifndef HASGETUSERSHELL
1297 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1298 # endif
1299 # define setreuid(r, e)	seteuid(e)
1300 
1301 # ifndef _PATH_UNIX
1302 #  define _PATH_UNIX		"/unix"
1303 # endif
1304 # ifndef _PATH_SENDMAILCF
1305 #  define _PATH_SENDMAILCF	"/usr/ucblib/sendmail.cf"
1306 # endif
1307 # ifndef _PATH_SENDMAILPID
1308 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1309 # endif
1310 # ifndef SYSLOG_BUFSIZE
1311 #  define SYSLOG_BUFSIZE	128
1312 # endif
1313 # ifndef SFS_TYPE
1314 #  define SFS_TYPE		SFS_STATVFS
1315 # endif
1316 #endif
1317 
1318 /* general System V defines */
1319 #ifdef SYSTEM5
1320 # include <sys/sysmacros.h>
1321 # define HASUNAME	1	/* use System V uname(2) system call */
1322 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1323 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1324 # ifndef HASULIMIT
1325 #  define HASULIMIT	1	/* has the ulimit(2) syscall */
1326 # endif
1327 # ifndef LA_TYPE
1328 #  ifdef MIOC_READKSYM
1329 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1330 #  else
1331 #   define LA_TYPE	LA_INT		/* assume integer load average */
1332 #  endif
1333 # endif
1334 # ifndef SFS_TYPE
1335 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
1336 # endif
1337 # ifndef TZ_TYPE
1338 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1339 # endif
1340 # define bcopy(s, d, l)		(memmove((d), (s), (l)))
1341 # define bzero(d, l)		(memset((d), '\0', (l)))
1342 # define bcmp(s, d, l)		(memcmp((s), (d), (l)))
1343 #endif
1344 
1345 /* general POSIX defines */
1346 #ifdef _POSIX_VERSION
1347 # define HASSETSID	1	/* has Posix setsid(2) call */
1348 # define HASWAITPID	1	/* has Posix waitpid(2) call */
1349 #endif
1350 
1351 /*
1352 **  If no type for argument two of getgroups call is defined, assume
1353 **  it's an integer -- unfortunately, there seem to be several choices
1354 **  here.
1355 */
1356 
1357 #ifndef GIDSET_T
1358 # define GIDSET_T	int
1359 #endif
1360 
1361 /*
1362 **  Tweaking for systems that (for example) claim to be BSD or POSIX
1363 **  but don't have all the standard BSD or POSIX routines (boo hiss).
1364 */
1365 
1366 #ifdef titan
1367 # undef HASINITGROUPS		/* doesn't have initgroups(3) call */
1368 #endif
1369 
1370 #ifdef _CRAYCOM
1371 # undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
1372 #endif
1373 
1374 #ifdef ISC_UNIX
1375 # undef bcopy			/* despite SystemV claim, uses BSD bcopy */
1376 #endif
1377 
1378 #ifdef ALTOS_SYS_V
1379 # undef bcopy			/* despite SystemV claim, uses BSD bcopy */
1380 # undef bzero			/* despite SystemV claim, uses BSD bzero */
1381 # undef bcmp			/* despite SystemV claim, uses BSD bcmp */
1382 #endif
1383 
1384 
1385 /*
1386 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
1387 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
1388 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
1389 **  are closed.  Some firewalls return this error if you try to connect
1390 **  to the IDENT port (113), so you can't receive email from these hosts
1391 **  on these systems.  The firewall really should use a more specific
1392 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB.  If
1393 **  not explicitly set to zero above, default it on.
1394 */
1395 
1396 #ifndef IDENTPROTO
1397 # define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
1398 #endif
1399 
1400 #ifndef IP_SRCROUTE
1401 # define IP_SRCROUTE	1	/* Detect IP source routing */
1402 #endif
1403 
1404 #ifndef HASGETUSERSHELL
1405 # define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
1406 #endif
1407 
1408 #ifndef HASFLOCK
1409 # define HASFLOCK	0	/* assume no flock(2) support */
1410 #endif
1411 
1412 #ifndef HASSETRLIMIT
1413 # define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
1414 #endif
1415 
1416 #ifndef HASULIMIT
1417 # define HASULIMIT	0	/* assume no ulimit(2) support */
1418 #endif
1419 
1420 #ifndef OLD_NEWDB
1421 # define OLD_NEWDB	0	/* assume newer version of newdb */
1422 #endif
1423 
1424 /* heuristic setting of HASSETSIGMASK; can override above */
1425 #ifndef HASSIGSETMASK
1426 # ifdef SIGVTALRM
1427 #  define HASSETSIGMASK	1
1428 # else
1429 #  define HASSETSIGMASK	0
1430 # endif
1431 #endif
1432 
1433 #ifndef UID_T
1434 # define UID_T		uid_t
1435 #endif
1436 
1437 #ifndef SIZE_T
1438 # define SIZE_T		size_t
1439 #endif
1440 
1441 #ifndef ARGV_T
1442 # define ARGV_T		char **
1443 #endif
1444 
1445 
1446 /**********************************************************************
1447 **  Remaining definitions should never have to be changed.  They are
1448 **  primarily to provide back compatibility for older systems -- for
1449 **  example, it includes some POSIX compatibility definitions
1450 **********************************************************************/
1451 
1452 /* System 5 compatibility */
1453 #ifndef S_ISREG
1454 # define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
1455 #endif
1456 #if !defined(S_ISLNK) && defined(S_IFLNK)
1457 # define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
1458 #endif
1459 #ifndef S_IWUSR
1460 # define S_IWUSR		0200
1461 #endif
1462 #ifndef S_IWGRP
1463 # define S_IWGRP		0020
1464 #endif
1465 #ifndef S_IWOTH
1466 # define S_IWOTH		0002
1467 #endif
1468 
1469 /*
1470 **  Older systems don't have this error code -- it should be in
1471 **  /usr/include/sysexits.h.
1472 */
1473 
1474 # ifndef EX_CONFIG
1475 # define EX_CONFIG	78	/* configuration error */
1476 # endif
1477 
1478 /* pseudo-code used in server SMTP */
1479 # define EX_QUIT	22	/* drop out of server immediately */
1480 
1481 
1482 /*
1483 **  These are used in a few cases where we need some special
1484 **  error codes, but where the system doesn't provide something
1485 **  reasonable.  They are printed in errstring.
1486 */
1487 
1488 #ifndef E_PSEUDOBASE
1489 # define E_PSEUDOBASE	256
1490 #endif
1491 
1492 #define EOPENTIMEOUT	(E_PSEUDOBASE + 0)	/* timeout on open */
1493 #define E_DNSBASE	(E_PSEUDOBASE + 20)	/* base for DNS h_errno */
1494 
1495 /* type of arbitrary pointer */
1496 #ifndef ARBPTR_T
1497 # define ARBPTR_T	void *
1498 #endif
1499 
1500 #ifndef __P
1501 # include "cdefs.h"
1502 #endif
1503 
1504 #if NAMED_BIND
1505 # include <arpa/nameser.h>
1506 # ifdef __svr4__
1507 #  ifdef NOERROR
1508 #   undef NOERROR		/* avoid compiler conflict with stream.h */
1509 #  endif
1510 # endif
1511 #endif
1512 
1513 /*
1514 **  The size of an IP address -- can't use sizeof because of problems
1515 **  on Crays, where everything is 64 bits.  This will break if/when
1516 **  IP addresses are expanded to eight bytes.
1517 */
1518 
1519 #ifndef INADDRSZ
1520 # define INADDRSZ	4
1521 #endif
1522 
1523 /*
1524 **  The size of various known types -- for reading network protocols.
1525 **  Again, we can't use sizeof because of compiler randomness.
1526 */
1527 
1528 #ifndef INT16SZ
1529 # define INT16SZ	2
1530 #endif
1531 #ifndef INT32SZ
1532 # define INT32SZ	4
1533 #endif
1534 
1535 /*
1536 **  Do some required dependencies
1537 */
1538 
1539 #if defined(NETINET) || defined(NETISO)
1540 # define SMTP		1	/* enable user and server SMTP */
1541 # define QUEUE		1	/* enable queueing */
1542 # define DAEMON		1	/* include the daemon (requires IPC & SMTP) */
1543 #endif
1544 
1545 
1546 /*
1547 **  Arrange to use either varargs or stdargs
1548 */
1549 
1550 # ifdef __STDC__
1551 
1552 # include <stdarg.h>
1553 
1554 # define VA_LOCAL_DECL	va_list ap;
1555 # define VA_START(f)	va_start(ap, f)
1556 # define VA_END		va_end(ap)
1557 
1558 # else
1559 
1560 # include <varargs.h>
1561 
1562 # define VA_LOCAL_DECL	va_list ap;
1563 # define VA_START(f)	va_start(ap)
1564 # define VA_END		va_end(ap)
1565 
1566 # endif
1567 
1568 #ifdef HASUNAME
1569 # include <sys/utsname.h>
1570 # ifdef newstr
1571 #  undef newstr
1572 # endif
1573 #else /* ! HASUNAME */
1574 # define NODE_LENGTH 32
1575 struct utsname
1576 {
1577 	char nodename[NODE_LENGTH+1];
1578 };
1579 #endif /* HASUNAME */
1580 
1581 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYS_V)
1582 # define MAXHOSTNAMELEN	256
1583 #endif
1584 
1585 #if !defined(SIGCHLD) && defined(SIGCLD)
1586 # define SIGCHLD	SIGCLD
1587 #endif
1588 
1589 #ifndef STDIN_FILENO
1590 # define STDIN_FILENO	0
1591 #endif
1592 
1593 #ifndef STDOUT_FILENO
1594 # define STDOUT_FILENO	1
1595 #endif
1596 
1597 #ifndef STDERR_FILENO
1598 # define STDERR_FILENO	2
1599 #endif
1600 
1601 #ifndef LOCK_SH
1602 # define LOCK_SH	0x01	/* shared lock */
1603 # define LOCK_EX	0x02	/* exclusive lock */
1604 # define LOCK_NB	0x04	/* non-blocking lock */
1605 # define LOCK_UN	0x08	/* unlock */
1606 #endif
1607 
1608 #ifndef SEEK_SET
1609 # define SEEK_SET	0
1610 # define SEEK_CUR	1
1611 # define SEEK_END	2
1612 #endif
1613 
1614 #ifndef SIG_ERR
1615 # define SIG_ERR	((void (*)()) -1)
1616 #endif
1617 
1618 #ifndef WEXITSTATUS
1619 # define WEXITSTATUS(st)	(((st) >> 8) & 0377)
1620 #endif
1621 #ifndef WIFEXITED
1622 # define WIFEXITED(st)		(((st) & 0377) == 0)
1623 #endif
1624 
1625 #ifndef SIGFUNC_DEFINED
1626 typedef void		(*sigfunc_t) __P((int));
1627 #endif
1628 
1629 /* size of syslog buffer */
1630 #ifndef SYSLOG_BUFSIZE
1631 # define SYSLOG_BUFSIZE	1024
1632 #endif
1633 
1634 /*
1635 **  Size of tobuf (deliver.c)
1636 **	Tweak this to match your syslog implementation.  It will have to
1637 **	allow for the extra information printed.
1638 */
1639 
1640 #ifndef TOBUFSIZE
1641 # if (SYSLOG_BUFSIZE) > 512
1642 #  define TOBUFSIZE	(SYSLOG_BUFSIZE - 256)
1643 # else
1644 #  define TOBUFSIZE	256
1645 # endif
1646 #endif
1647 
1648 /*
1649 **  Size of prescan buffer.
1650 **	Despite comments in the _sendmail_ book, this probably should
1651 **	not be changed; there are some hard-to-define dependencies.
1652 */
1653 
1654 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
1655 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
1656 # ifndef FORK
1657 # define FORK		vfork		/* function to call to fork mailer */
1658 # endif
1659 
1660 /*
1661 **  If we are going to link scanf anyway, use it in readcf
1662 */
1663 
1664 #if !defined(HASUNAME) && !defined(SCANF)
1665 # define SCANF		1
1666 #endif
1667