xref: /original-bsd/usr.sbin/sendmail/src/conf.h (revision 3d4b402b)
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	8.186 (Berkeley) 06/11/95
9  */
10 
11 /*
12 **  CONF.H -- All user-configurable parameters for sendmail
13 **
14 **	Send updates to sendmail@CS.Berkeley.EDU so they will be
15 **	included in the next release.
16 */
17 
18 struct rusage;	/* forward declaration to get gcc to shut up in wait.h */
19 
20 # include <sys/param.h>
21 # include <sys/types.h>
22 # include <sys/stat.h>
23 # include <sys/file.h>
24 # include <sys/wait.h>
25 # include <fcntl.h>
26 # include <signal.h>
27 # include <netdb.h>
28 # include <pwd.h>
29 
30 /**********************************************************************
31 **  Table sizes, etc....
32 **	There shouldn't be much need to change these....
33 **********************************************************************/
34 
35 # define MAXLINE	2048		/* max line length */
36 # define MAXNAME	256		/* max length of a name */
37 # define MAXPV		40		/* max # of parms to mailers */
38 # define MAXATOM	200		/* max atoms per address */
39 # define MAXMAILERS	25		/* maximum mailers known to system */
40 # define MAXRWSETS	200		/* max # of sets of rewriting rules */
41 # define MAXPRIORITIES	25		/* max values for Precedence: field */
42 # define MAXMXHOSTS	20		/* max # of MX records */
43 # define SMTPLINELIM	990		/* maximum SMTP line length */
44 # define MAXKEY		128		/* maximum size of a database key */
45 # define MEMCHUNKSIZE	1024		/* chunk size for memory allocation */
46 # define MAXUSERENVIRON	100		/* max envars saved, must be >= 3 */
47 # define MAXALIASDB	12		/* max # of alias databases */
48 # define MAXMAPSTACK	12		/* max # of stacked or sequenced maps */
49 # define MAXTOCLASS	8		/* max # of message timeout classes */
50 # define MAXMIMEARGS	20		/* max args in Content-Type: */
51 # define MAXMIMENESTING	20		/* max MIME multipart nesting */
52 # define QUEUESEGSIZE	1000		/* increment for queue size */
53 
54 /**********************************************************************
55 **  Compilation options.
56 **
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 **  Operating system configuration.
115 **
116 **	Unless you are porting to a new OS, you shouldn't have to
117 **	change these.
118 **********************************************************************/
119 
120 
121 /*
122 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
123 **
124 **	If V4FS is defined, compile for HP-UX 10.0.
125 */
126 
127 #ifdef __hpux
128 		/* common definitions for HP-UX 9.x and 10.x */
129 # undef m_flags		/* conflict between db.h & sys/sysmacros.h on HP 300 */
130 # define SYSTEM5	1	/* include all the System V defines */
131 # define HASINITGROUPS	1	/* has initgroups(3) call */
132 # define USESETEUID	1	/* has useable seteuid(2) call */
133 # define seteuid(e)	setresuid(-1, e, -1)
134 # define IP_SRCROUTE	1	/* can check IP source routing */
135 # define LA_TYPE	LA_HPUX
136 # define SPT_TYPE	SPT_PSTAT
137 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
138 # define GIDSET_T	gid_t
139 # ifndef HASGETUSERSHELL
140 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
141 # endif
142 # define syslog		hard_syslog
143 # ifdef __STDC__
144 extern void	hard_syslog(int, char *, ...);
145 # endif
146 
147 # ifdef V4FS
148 		/* HP-UX 10.x */
149 #  define _PATH_UNIX	"/stand/vmunix"
150 #  ifndef _PATH_SENDMAILCF
151 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
152 #  endif
153 #  ifndef _PATH_SENDMAILPID
154 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
155 #  endif
156 #  ifndef IDENTPROTO
157 #   define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
158 #  endif
159 
160 # else
161 		/* HP-UX 9.x */
162 #  define _PATH_UNIX	"/hp-ux"
163 #  ifndef _PATH_SENDMAILCF
164 #   define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
165 #  endif
166 #  ifndef IDENTPROTO
167 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
168 #  endif
169 # endif
170 
171 #endif
172 
173 
174 /*
175 **  IBM AIX 3.x -- actually tested for 3.2.3
176 */
177 
178 #ifdef _AIX3
179 # include <paths.h>
180 # define HASINITGROUPS	1	/* has initgroups(3) call */
181 # define HASUNAME	1	/* use System V uname(2) system call */
182 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
183 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
184 # define FORK		fork	/* no vfork primitive available */
185 # define GIDSET_T	gid_t
186 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
187 # define SPT_PADCHAR	'\0'	/* pad process title with nulls */
188 # define LA_TYPE	LA_INT
189 # define LA_AVENRUN	"avenrun"
190 #endif
191 
192 
193 /*
194 **  Silicon Graphics IRIX
195 **
196 **	Compiles on 4.0.1.
197 **
198 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
199 **	Use IRIX5 instead of IRIX for IRIX 5.x.
200 **
201 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
202 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
203 */
204 
205 #if defined(IRIX64) || defined(IRIX5)
206 # define IRIX
207 #endif
208 
209 #ifdef IRIX
210 # define SYSTEM5	1	/* this is a System-V derived system */
211 # define HASSETREUID	1	/* has setreuid(2) call */
212 # define HASINITGROUPS	1	/* has initgroups(3) call */
213 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
214 # define IP_SRCROUTE	1	/* can check IP source routing */
215 # define FORK		fork	/* no vfork primitive available */
216 # define setpgid	BSDsetpgrp
217 # define GIDSET_T	gid_t
218 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
219 # define SFS_BAVAIL	f_bfree		/* alternate field name */
220 # define LA_TYPE	LA_INT
221 # ifdef IRIX64
222 #  define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
223 # else
224 #  define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
225 # endif
226 # if defined(IRIX64) || defined(IRIX5)
227 #  define ARGV_T	char *const *
228 #  define HASSETRLIMIT	1	/* has setrlimit(2) syscall */
229 # else
230 #  define ARGV_T	const char **
231 #  define WAITUNION	1	/* use "union wait" as wait argument type */
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 IP_SRCROUTE	1	/* can check IP source routing */
249 # define LA_TYPE	LA_INT
250 
251 # ifdef SOLARIS_2_3
252 #  define SOLARIS	203	/* for back compat only -- use -DSOLARIS=203 */
253 # endif
254 
255 # ifdef SOLARIS
256 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
257 #  ifndef __svr4__
258 #   define __svr4__		/* use all System V Releae 4 defines below */
259 #  endif
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 NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
292 #   define WAITUNION	1	/* use "union wait" as wait argument type */
293 #   undef WIFEXITED
294 #   undef WEXITSTATUS
295 #   undef HASUNAME
296 #   define setpgid	setpgrp
297 typedef int		pid_t;
298 extern char		*getenv();
299 
300 #  else
301 			/* 4.1.x specifics */
302 #   define HASSETSID	1	/* has Posix setsid(2) call */
303 #   define HASSETVBUF	1	/* we have setvbuf(3) in libc */
304 
305 #  endif
306 # endif
307 #endif
308 
309 /*
310 **  DG/UX
311 **
312 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
313 **	older support.
314 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
315 */
316 
317 #ifdef DGUX_5_4_2
318 # define DGUX		1
319 #endif
320 
321 #ifdef	DGUX
322 # define SYSTEM5	1
323 # define LA_TYPE	LA_DGUX
324 # define HASSETREUID	1	/* has setreuid(2) call */
325 # define HASUNAME	1	/* use System V uname(2) system call */
326 # define HASSETSID	1	/* has Posix setsid(2) call */
327 # define HASINITGROUPS	1	/* has initgroups(3) call */
328 # define HASGETUSERSHELL 0	/* does not have getusershell(3) */
329 # ifndef IDENTPROTO
330 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
331 # endif
332 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
333 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
334 
335 /* these include files must be included early on DG/UX */
336 # include <netinet/in.h>
337 # include <arpa/inet.h>
338 
339 # ifdef DGUX_5_4_2
340 #  define inet_addr	dgux_inet_addr
341 extern long	dgux_inet_addr();
342 # endif
343 #endif
344 
345 
346 /*
347 **  Digital Ultrix 4.2A or 4.3
348 **
349 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
350 **	not dropped when the process exits.  This causes major problems,
351 **	so flock is the only alternative.
352 */
353 
354 #ifdef ultrix
355 # define HASSETREUID	1	/* has setreuid(2) call */
356 # define HASUNSETENV	1	/* has unsetenv(3) call */
357 # define HASINITGROUPS	1	/* has initgroups(3) call */
358 # define HASUNAME	1	/* use System V uname(2) system call */
359 # ifndef HASFLOCK
360 #  define HASFLOCK	1	/* has flock(2) call */
361 # endif
362 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
363 # ifndef BROKEN_RES_SEARCH
364 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
365 # endif
366 # ifdef vax
367 #  define LA_TYPE	LA_FLOAT
368 # else
369 #  define LA_TYPE	LA_INT
370 #  define LA_AVENRUN	"avenrun"
371 # endif
372 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
373 # ifndef IDENTPROTO
374 #  define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
375 # endif
376 #endif
377 
378 
379 /*
380 **  OSF/1 for Intel Paragon.
381 **
382 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
383 **	of Intel Scalable Systems Divison.
384 */
385 
386 #ifdef __PARAGON__
387 # define __osf__	1	/* get OSF/1 defines below */
388 # ifndef _PATH_SENDMAILCF
389 #  define _PATH_SENDMAILCF	"/var/adm/sendmail/sendmail.cf"
390 # endif
391 #endif
392 
393 
394 /*
395 **  OSF/1 (tested on Alpha)
396 */
397 
398 #ifdef __osf__
399 # define HASUNSETENV	1	/* has unsetenv(3) call */
400 # define USESETEUID	1	/* has useable seteuid(2) call */
401 # define HASINITGROUPS	1	/* has initgroups(3) call */
402 # define IP_SRCROUTE	1	/* can check IP source routing */
403 # ifndef HASFLOCK
404 #  define HASFLOCK	1	/* has flock(2) call */
405 # endif
406 # define LA_TYPE	LA_INT
407 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
408 # ifndef _PATH_SENDMAILPID
409 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
410 # endif
411 #endif
412 
413 
414 /*
415 **  NeXTstep
416 */
417 
418 #ifdef NeXT
419 # define HASINITGROUPS	1	/* has initgroups(3) call */
420 # define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
421 # ifndef HASFLOCK
422 #  define HASFLOCK	1	/* has flock(2) call */
423 # endif
424 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
425 # define WAITUNION	1	/* use "union wait" as wait argument type */
426 # define UID_T		int	/* compiler gripes on uid_t */
427 # define sleep		sleepX
428 # define setpgid	setpgrp
429 # ifndef LA_TYPE
430 #  define LA_TYPE	LA_MACH
431 # endif
432 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
433 # ifndef _POSIX_SOURCE
434 typedef int		pid_t;
435 #  undef WEXITSTATUS
436 #  undef WIFEXITED
437 # endif
438 # ifndef _PATH_SENDMAILCF
439 #  define _PATH_SENDMAILCF	"/etc/sendmail/sendmail.cf"
440 # endif
441 # ifndef _PATH_SENDMAILPID
442 #  define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
443 # endif
444 #endif
445 
446 
447 /*
448 **  4.4 BSD
449 **
450 **	See also BSD defines.
451 */
452 
453 #if defined(BSD4_4) && !defined(__bsdi__)
454 # define HASUNSETENV	1	/* has unsetenv(3) call */
455 # define USESETEUID	1	/* has useable seteuid(2) call */
456 # include <sys/cdefs.h>
457 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
458 # define BSD4_4_SOCKADDR	/* has sa_len */
459 # define NETLINK		/* supports AF_LINK */
460 # ifndef LA_TYPE
461 #  define LA_TYPE	LA_SUBR
462 # endif
463 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
464 # define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
465 #endif
466 
467 
468 /*
469 **  BSD/386 (all versions)
470 **	From Tony Sanders, BSDI
471 */
472 
473 #ifdef __bsdi__
474 # define HASUNSETENV	1	/* has the unsetenv(3) call */
475 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
476 # define USESETEUID	1	/* has useable seteuid(2) call */
477 # include <sys/cdefs.h>
478 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
479 # define BSD4_4_SOCKADDR	/* has sa_len */
480 # define NETLINK		/* supports AF_LINK */
481 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
482 # ifndef LA_TYPE
483 #  define LA_TYPE	LA_SUBR
484 # endif
485 # define GIDSET_T	gid_t
486 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
487 			/* version 1.1 or later */
488 #  undef SPT_TYPE
489 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
490 # else
491 			/* version 1.0 or earlier */
492 #  ifndef OLD_NEWDB
493 #   define OLD_NEWDB	1	/* old version of newdb library */
494 #  endif
495 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
496 # endif
497 #endif
498 
499 
500 
501 /*
502 **  FreeBSD / NetBSD (all architectures, all versions)
503 **
504 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
505 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
506 **
507 **	See also BSD defines.
508 */
509 
510 #if defined(__FreeBSD__) || defined(__NetBSD__)
511 # define HASUNSETENV	1	/* has unsetenv(3) call */
512 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
513 # define USESETEUID	1	/* has useable seteuid(2) call */
514 # define HASUNAME	1	/* has uname(2) syscall */
515 # include <sys/cdefs.h>
516 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
517 # define BSD4_4_SOCKADDR	/* has sa_len */
518 # define NETLINK		/* supports AF_LINK */
519 # define GIDSET_T	gid_t
520 # ifndef LA_TYPE
521 #  define LA_TYPE	LA_SUBR
522 # endif
523 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
524 #endif
525 
526 
527 /*
528 **  Mach386
529 **
530 **	For mt Xinu's Mach386 system.
531 */
532 
533 #if defined(MACH) && defined(i386)
534 # define MACH386	1
535 # define HASUNSETENV	1	/* has unsetenv(3) call */
536 # define HASINITGROUPS	1	/* has initgroups(3) call */
537 # ifndef HASFLOCK
538 #  define HASFLOCK	1	/* has flock(2) call */
539 # endif
540 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
541 # define NEEDSTRTOL	1	/* need the strtol() function */
542 # define setpgid	setpgrp
543 # ifndef LA_TYPE
544 #  define LA_TYPE	LA_FLOAT
545 # endif
546 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
547 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
548 # undef WEXITSTATUS
549 # undef WIFEXITED
550 # ifndef _PATH_SENDMAILCF
551 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
552 # endif
553 # ifndef _PATH_SENDMAILPID
554 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
555 # endif
556 #endif
557 
558 
559 /*
560 **  4.3 BSD -- this is for very old systems
561 **
562 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
563 **
564 **	You'll also have to install a new resolver library.
565 **	I don't guarantee that support for this environment is complete.
566 */
567 
568 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
569 # define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
570 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
571 # define ARBPTR_T	char *
572 # define setpgid	setpgrp
573 # ifndef LA_TYPE
574 #  define LA_TYPE	LA_FLOAT
575 # endif
576 # ifndef _PATH_SENDMAILCF
577 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
578 # endif
579 # ifndef IDENTPROTO
580 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
581 # endif
582 # undef WEXITSTATUS
583 # undef WIFEXITED
584 typedef short		pid_t;
585 extern int		errno;
586 #endif
587 
588 
589 /*
590 **  SCO Unix
591 **
592 **	This includes two parts -- the first is for SCO Open Server 3.2v4
593 **	(contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
594 **	The second is, I believe, for an older version.
595 */
596 
597 #ifdef _SCO_unix_4_2
598 # define _SCO_unix_
599 # define HASSETREUID	1	/* has setreuid(2) call */
600 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
601 # define _PATH_UNIX	"/unix"
602 # ifndef _PATH_SENDMAILCF
603 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
604 # endif
605 # ifndef _PATH_SENDMAILPID
606 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
607 # endif
608 #endif
609 
610 #ifdef _SCO_unix_
611 # define SYSTEM5	1	/* include all the System V defines */
612 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
613 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
614 # define FORK		fork
615 # define MAXPATHLEN	PATHSIZE
616 # define LA_TYPE	LA_SHORT
617 # define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
618 # define SFS_BAVAIL	f_bfree		/* alternate field name */
619 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
620 # undef NETUNIX			/* no unix domain socket support */
621 #endif
622 
623 
624 /*
625 **  ISC (SunSoft) Unix.
626 **
627 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
628 */
629 
630 #ifdef ISC_UNIX
631 # include <net/errno.h>
632 # include <sys/stream.h>	/* needed for IP_SRCROUTE */
633 # include <sys/bsdtypes.h>
634 # define SYSTEM5	1	/* include all the System V defines */
635 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
636 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
637 # define HASSETREUID	1	/* has setreuid(2) call */
638 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
639 # undef NETUNIX			/* no unix domain socket support */
640 # define FORK		fork
641 # define MAXPATHLEN	1024
642 # define LA_TYPE	LA_SHORT
643 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
644 # define SFS_BAVAIL	f_bfree		/* alternate field name */
645 # define _PATH_UNIX	"/unix"
646 # ifndef _PATH_SENDMAILCF
647 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
648 # endif
649 # ifndef _PATH_SENDMAILPID
650 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
651 # endif
652 
653 typedef short		pid_t;
654 
655 #endif
656 
657 
658 /*
659 **  Altos System V.
660 **	Contributed by Tim Rice <timr@crl.com>.
661 */
662 
663 #ifdef ALTOS_SYS_V
664 # include <limits.h>
665 # define SYSTEM5	1	/* include all the System V defines */
666 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
667 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
668 # define WAITUNION	1	/* use "union wait" as wait argument type */
669 # define NEEDFSYNC	1	/* no fsync(2) in system library */
670 # define FORK		fork
671 # define MAXPATHLEN	PATHSIZE
672 # define LA_TYPE	LA_SHORT
673 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
674 # define SFS_BAVAIL	f_bfree		/* alternate field name */
675 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
676 # undef NETUNIX			/* no unix domain socket support */
677 # undef WIFEXITED
678 # undef WEXITSTATUS
679 # define strtoul	strtol	/* gcc library bogosity */
680 
681 typedef unsigned short	uid_t;
682 typedef unsigned short	gid_t;
683 typedef short		pid_t;
684 #endif
685 
686 
687 /*
688 **  ConvexOS 11.0 and later
689 **
690 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
691 **	works on 9.1 as well.
692 */
693 
694 #ifdef _CONVEX_SOURCE
695 # define BSD		1	/* include all the BSD defines */
696 # define HASUNAME	1	/* use System V uname(2) system call */
697 # define HASSETSID	1	/* has POSIX setsid(2) call */
698 # define NEEDGETOPT	1	/* need replacement for getopt(3) */
699 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
700 # define LA_TYPE	LA_FLOAT
701 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
702 # ifndef _PATH_SENDMAILCF
703 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
704 # endif
705 # ifndef S_IREAD
706 #  define S_IREAD	_S_IREAD
707 #  define S_IWRITE	_S_IWRITE
708 #  define S_IEXEC	_S_IEXEC
709 #  define S_IFMT	_S_IFMT
710 #  define S_IFCHR	_S_IFCHR
711 #  define S_IFBLK	_S_IFBLK
712 # endif
713 # ifndef IDENTPROTO
714 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
715 # endif
716 #endif
717 
718 
719 /*
720 **  RISC/os 4.52
721 **
722 **	Gives a ton of warning messages, but otherwise compiles.
723 */
724 
725 #ifdef RISCOS
726 
727 # define HASUNSETENV	1	/* has unsetenv(3) call */
728 # ifndef HASFLOCK
729 #  define HASFLOCK	1	/* has flock(2) call */
730 # endif
731 # define WAITUNION	1	/* use "union wait" as wait argument type */
732 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
733 # define LA_TYPE	LA_INT
734 # define LA_AVENRUN	"avenrun"
735 # define _PATH_UNIX	"/unix"
736 # undef WIFEXITED
737 
738 # define setpgid	setpgrp
739 
740 extern int		errno;
741 typedef int		pid_t;
742 #define			SIGFUNC_DEFINED
743 typedef int		(*sigfunc_t)();
744 extern char		*getenv();
745 extern void		*malloc();
746 
747 #endif
748 
749 
750 /*
751 **  Linux 0.99pl10 and above...
752 **
753 **  Thanks to, in reverse order of contact:
754 **
755 **	John Kennedy <warlock@csuchico.edu>
756 **	Andrew Pam <avatar@aus.xanadu.com>
757 **	Florian La Roche <rzsfl@rz.uni-sb.de>
758 **	Karl London <karl@borg.demon.co.uk>
759 **
760 **  Last compiled against:	[05/25/95 @ 11:39:31 AM (Thursday)]
761 **	sendmail 8.7.b.0	named 4.9.3-beta17	db-1.85
762 **	gcc 2.6.4-950518	libc-5.0.9		linux 1.2.8
763 */
764 
765 #ifdef __linux__
766 # define BSD		1	/* include BSD defines */
767 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
768 # define HASUNAME	1	/* use System V uname(2) system call */
769 # define HASUNSETENV	1	/* has unsetenv(3) call */
770 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
771 # define GIDSET_T	gid_t	/* from <linux/types.h> */
772 # define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
773 # define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
774 # ifndef HASFLOCK
775 #  define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
776 # endif
777 # ifndef LA_TYPE
778 #  define LA_TYPE	LA_PROCSTR
779 # endif
780 # define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
781 # ifndef _PATH_SENDMAILPID
782 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
783 # endif
784 # define TZ_TYPE	TZ_TNAME
785 # include <sys/sysmacros.h>
786 # undef atol			/* wounded in <stdlib.h> */
787 #endif
788 
789 
790 /*
791 **  DELL SVR4 Issue 2.2, and others
792 **	From Kimmo Suominen <kim@grendel.lut.fi>
793 **
794 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
795 **	defined, and the definitions conflict.
796 **
797 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
798 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
799 **	(SVR4.0/386 version 3.0).
800 */
801 
802 #ifdef DELL_SVR4
803 				/* no changes necessary */
804 				/* see general __svr4__ defines below */
805 #endif
806 
807 
808 /*
809 **  Apple A/UX 3.0
810 */
811 
812 #ifdef _AUX_SOURCE
813 # include <sys/sysmacros.h>
814 # define BSD			/* has BSD routines */
815 # define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
816 # define HASUNAME	1	/* use System V uname(2) system call */
817 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
818 # define SIGFUNC_DEFINED	/* sigfunc_t already defined */
819 # ifndef IDENTPROTO
820 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
821 # endif
822 # define FORK		fork
823 # ifndef _PATH_SENDMAILCF
824 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
825 # endif
826 # ifndef LA_TYPE
827 #  define LA_TYPE	LA_ZERO
828 # endif
829 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
830 # undef WIFEXITED
831 # undef WEXITSTATUS
832 #endif
833 
834 
835 /*
836 **  Encore UMAX V
837 **
838 **	Not extensively tested.
839 */
840 
841 #ifdef UMAXV
842 # include <limits.h>
843 # define HASUNAME	1	/* use System V uname(2) system call */
844 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
845 # define HASINITGROUPS	1	/* has initgroups(3) call */
846 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
847 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
848 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
849 # define FORK		fork	/* no vfork(2) primitive available */
850 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
851 # define MAXPATHLEN	PATH_MAX
852 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
853 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
854 # undef WIFEXITED
855 # undef WEXITSTATUS
856 #endif
857 
858 
859 /*
860 **  Stardent Titan 3000 running TitanOS 4.2.
861 **
862 **	Must be compiled in "cc -43" mode.
863 **
864 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
865 **
866 **	Note the tweaking below after the BSD defines are set.
867 */
868 
869 #ifdef titan
870 # define setpgid	setpgrp
871 typedef int		pid_t;
872 # undef WIFEXITED
873 # undef WEXITSTATUS
874 #endif
875 
876 
877 /*
878 **  Sequent DYNIX 3.2.0
879 **
880 **	From Jim Davis <jdavis@cs.arizona.edu>.
881 */
882 
883 #ifdef sequent
884 
885 # define BSD		1
886 # define HASUNSETENV	1
887 # define BSD4_3		1	/* to get signal() in conf.c */
888 # define WAITUNION	1
889 # define LA_TYPE	LA_FLOAT
890 # ifdef	_POSIX_VERSION
891 #  undef _POSIX_VERSION		/* set in <unistd.h> */
892 # endif
893 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
894 # define setpgid	setpgrp
895 
896 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
897 # undef	WIFEXITED
898 # define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
899 			 ((union wait*)&(s))->w_termsig == 0)
900 # define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
901 typedef int		pid_t;
902 # define isgraph(c)	(isprint(c) && (c != ' '))
903 
904 # ifndef IDENTPROTO
905 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
906 # endif
907 
908 # ifndef _PATH_UNIX
909 #  define _PATH_UNIX	"/dynix"
910 # endif
911 # ifndef _PATH_SENDMAILCF
912 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
913 # endif
914 
915 #endif
916 
917 
918 /*
919 **  Sequent DYNIX/ptx v2.0 (and higher)
920 **
921 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
922 **
923 **	From Tim Wright <timw@sequent.com>.
924 */
925 
926 #ifdef _SEQUENT_
927 # define SYSTEM5	1	/* include all the System V defines */
928 # define HASSETSID	1	/* has POSIX setsid(2) call */
929 # define HASINITGROUPS	1	/* has initgroups(3) call */
930 # define HASSETREUID	1	/* has setreuid(2) call */
931 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
932 # define GIDSET_T	gid_t
933 # define LA_TYPE	LA_INT
934 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
935 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
936 # ifndef IDENTPROTO
937 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
938 # endif
939 # ifndef _PATH_SENDMAILCF
940 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
941 # endif
942 # ifndef _PATH_SENDMAILPID
943 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
944 # endif
945 #endif
946 
947 
948 /*
949 **  Cray Unicos
950 **
951 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
952 */
953 
954 #ifdef UNICOS
955 # define SYSTEM5	1	/* include all the System V defines */
956 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
957 # define MAXPATHLEN	PATHSIZE
958 # define LA_TYPE	LA_ZERO
959 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
960 # define SFS_BAVAIL	f_bfree		/* alternate field name */
961 #endif
962 
963 
964 /*
965 **  Apollo DomainOS
966 **
967 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
968 **
969 **  15 Jan 1994
970 **
971 */
972 
973 #ifdef apollo
974 # define HASSETREUID	1	/* has setreuid(2) call */
975 # define HASINITGROUPS	1	/* has initgroups(2) call */
976 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
977 # define LA_TYPE	LA_SUBR		/* use getloadavg.c */
978 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
979 # define SFS_BAVAIL	f_bfree		/* alternate field name */
980 # ifndef _PATH_SENDMAILCF
981 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
982 # endif
983 # ifndef _PATH_SENDMAILPID
984 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
985 # endif
986 # undef  S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
987 # undef  S_IFIFO
988 # define S_IFIFO	0010000
989 # ifndef IDENTPROTO
990 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
991 # endif
992 #endif
993 
994 
995 /*
996 **  UnixWare 1.1.2.
997 **
998 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
999 **	From Evan Champion <evanc@spatial.synapse.org>.
1000 */
1001 
1002 #ifdef UNIXWARE
1003 # include <sys/mkdev.h>
1004 # define SYSTEM5		1
1005 # define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1006 # define HASSETREUID		1
1007 # define HASSETSID		1
1008 # define HASINITGROUPS		1
1009 # define GIDSET_T		gid_t
1010 # define SLEEP_T		unsigned
1011 # define SFS_TYPE		SFS_STATVFS
1012 # define LA_TYPE		LA_ZERO
1013 # undef WIFEXITED
1014 # undef WEXITSTATUS
1015 # define _PATH_UNIX		"/unix"
1016 # ifndef _PATH_SENDMAILCF
1017 #  define _PATH_SENDMAILCF	"/usr/ucblib/sendmail.cf"
1018 # endif
1019 # ifndef _PATH_SENDMAILPID
1020 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1021 # endif
1022 # define SYSLOG_BUFSIZE	128
1023 #endif
1024 
1025 
1026 /*
1027 **  Intergraph CLIX 3.1
1028 **
1029 **	From Paul Southworth <pauls@locust.cic.net>
1030 */
1031 
1032 #ifdef CLIX
1033 # define SYSTEM5	1	/* looks like System V */
1034 # ifndef HASGETUSERSHELL
1035 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1036 # endif
1037 # define DEV_BSIZE	512	/* device block size not defined */
1038 # define GIDSET_T	gid_t
1039 # undef LOG			/* syslog not available */
1040 # define NEEDFSYNC	1	/* no fsync in system library */
1041 # define GETSHORT	_getshort
1042 #endif
1043 
1044 
1045 /*
1046 **  NCR 3000 Series (SysVr4)
1047 **
1048 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1049 */
1050 
1051 #ifdef NCR3000
1052 # include <sys/sockio.h>
1053 # define __svr4__
1054 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1055 # undef BSD
1056 # define LA_AVENRUN	"avenrun"
1057 #endif
1058 
1059 
1060 /*
1061 **  Tandem NonStop-UX SVR4
1062 **
1063 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1064 */
1065 
1066 #ifdef NonStop_UX_BXX
1067 # define __svr4__
1068 #endif
1069 
1070 
1071 /*
1072 **  Hitachi 3050R & 3050RX Workstations running HI-UX/WE2.
1073 **
1074 **	Tested for 1.04 and 1.03
1075 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1076 */
1077 
1078 #ifdef __H3050R
1079 # define SYSTEM5	1	/* include all the System V defines */
1080 # define HASINITGROUPS	1	/* has initgroups(3) call */
1081 # define setreuid(r, e)	setresuid(r, e, -1)
1082 # define LA_TYPE	LA_FLOAT
1083 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1084 # define HASSETVBUF	/* HI-UX has no setlinebuf */
1085 # ifndef GIDSET_T
1086 #  define GIDSET_T	gid_t
1087 # endif
1088 # ifndef _PATH_UNIX
1089 #  define _PATH_UNIX	"/HI-UX"
1090 # endif
1091 # ifndef _PATH_SENDMAILCF
1092 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1093 # endif
1094 # ifndef IDENTPROTO
1095 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1096 # endif
1097 # ifndef HASGETUSERSHELL
1098 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1099 # endif
1100 
1101 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */
1102 # undef m_flags
1103 
1104 # ifdef __STDC__
1105 extern int	syslog(int, char *, ...);
1106 # endif
1107 
1108 #endif
1109 
1110 
1111 /*
1112 **  Amdahl UTS System V 2.1.5 (SVr3-based)
1113 **
1114 **    From: Janet Jackson <janet@dialix.oz.au>.
1115 */
1116 
1117 #ifdef _UTS
1118 # include <sys/sysmacros.h>
1119 # undef HASLSTAT	/* has symlinks, but they cause problems */
1120 # define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
1121 # define SYS5SIGNALS	1	/* System V signal semantics */
1122 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1123 # define HASUNAME	1	/* use System V uname(2) system call */
1124 # define HASINITGROUPS	1	/* has initgroups(3) function */
1125 # define HASSETVBUF	1	/* has setvbuf(3) function */
1126 # define HASSIGSETMASK	0	/* does not have sigsetmask(2) function */
1127 # ifndef HASGETUSERSHELL
1128 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
1129 # endif
1130 # define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
1131 # define LA_TYPE	LA_ZERO		/* doesn't have load average */
1132 # define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
1133 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1134 # define _PATH_UNIX	"/unix"
1135 # ifndef _PATH_SENDMAILCF
1136 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1137 # endif
1138 #endif
1139 
1140 /*
1141 **  Cray Computer Corporation's CSOS
1142 **
1143 **	From Scott Bolte <scott@craycos.com>.
1144 */
1145 
1146 #ifdef _CRAYCOM
1147 # define SYSTEM5	1	/* include all the System V defines */
1148 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1149 # define NEEDFSYNC	1	/* no fsync in system library */
1150 # define MAXPATHLEN	PATHSIZE
1151 # define LA_TYPE	LA_ZERO
1152 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1153 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1154 # define _POSIX_CHOWN_RESTRICTED	-1
1155 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1156 #endif
1157 
1158 
1159 /*
1160 **  Sony NEWS-OS 4.2.1R and 6.0.3
1161 **
1162 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1163 */
1164 
1165 #ifdef sony_news
1166 # ifndef __svr4
1167 			/* NEWS-OS 4.2.1R */
1168 #  ifndef BSD
1169 #   define BSD			/* has BSD routines */
1170 #  endif
1171 #  define HASUNSETENV	1	/* has unsetenv(2) call */
1172 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1173 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1174 #  define LA_TYPE	LA_INT
1175 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1176 #  ifndef HASFLOCK
1177 #   define HASFLOCK	1	/* has flock(2) call */
1178 #  endif
1179 #  define setpgid	setpgrp
1180 #  undef WIFEXITED
1181 #  undef WEXITSTATUS
1182 typedef int		pid_t;
1183 typedef int		(*sigfunc_t)();
1184 #  define SIGFUNC_DEFINED
1185 
1186 # else
1187 			/* NEWS-OS 6.0.3 with /bin/cc */
1188 #  define SYSTEM5	1	/* include all the System V defines */
1189 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1190 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1191 #  define USESETEUID	1	/* has useable seteuid(2) call */
1192 #  define HASSETSID	1	/* has Posix setsid(2) call */
1193 #  define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
1194 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1195 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statvfs() impl */
1196 #  ifndef SPT_TYPE
1197 #   define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
1198 #  endif
1199 #  define GIDSET_T	gid_t
1200 #  undef WIFEXITED
1201 #  undef WEXITSTATUS
1202 #  define _PATH_UNIX  "/stand/unix"
1203 #  ifndef _PATH_SENDMAILCF
1204 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
1205 #  endif
1206 #  ifndef _PATH_SENDMAILPID
1207 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
1208 #  endif
1209 
1210 # endif
1211 #endif
1212 
1213 
1214 /*
1215 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
1216 **
1217 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1218 */
1219 
1220 #ifdef luna
1221 # ifndef IDENTPROTO
1222 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1223 # endif
1224 # ifdef uniosb
1225 #  include <sys/time.h>
1226 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1227 # endif
1228 # define HASUNSETENV	1	/* has unsetenv(2) call */
1229 # define NEEDPUTENV	1	/* need putenv(3) call */
1230 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1231 # define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1232 # define WAITUNION	1	/* use "union wait" as wait argument type */
1233 # ifdef uniosb
1234 #  define LA_TYPE	LA_INT
1235 # endif
1236 # ifdef luna2m
1237 #  define LA_TYPE	LA_SUBR
1238 # endif
1239 # ifdef luna88k
1240 #  define LA_TYPE	LA_INT
1241 # endif
1242 # define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1243 # define setpgid	setpgrp
1244 # undef WIFEXITED
1245 # undef WEXITSTATUS
1246 typedef int		pid_t;
1247 typedef int		(*sigfunc_t)();
1248 # define SIGFUNC_DEFINED
1249 extern char	*getenv();
1250 extern int	errno;
1251 # ifndef _PATH_SENDMAILCF
1252 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1253 # endif
1254 #endif
1255 
1256 
1257 /*
1258 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
1259 **
1260 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1261 */
1262 
1263 #ifdef nec_ews_svr4
1264 # ifndef __svr4__
1265 #  define __svr4__		/* use all System V Releae 4 defines below */
1266 # endif
1267 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1268 # define HASSETSID	1	/* has Posix setsid(2) call */
1269 # define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
1270 # define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
1271 # define GIDSET_T	gid_t
1272 # undef WIFEXITED
1273 # undef WEXITSTATUS
1274 # define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
1275 #endif
1276 
1277 
1278 
1279 /**********************************************************************
1280 **  End of Per-Operating System defines
1281 **********************************************************************/
1282 /**********************************************************************
1283 **  More general defines
1284 **********************************************************************/
1285 
1286 /* general BSD defines */
1287 #ifdef BSD
1288 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1289 # define HASSETREUID	1	/* has setreuid(2) call */
1290 # define HASINITGROUPS	1	/* has initgroups(3) call */
1291 # ifndef IP_SRCROUTE
1292 #  define IP_SRCROUTE	1	/* can check IP source routing */
1293 # endif
1294 # ifndef HASSETRLIMIT
1295 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1296 # endif
1297 # ifndef HASFLOCK
1298 #  define HASFLOCK	1	/* has flock(2) call */
1299 # endif
1300 # ifndef TZ_TYPE
1301 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
1302 # endif
1303 #endif
1304 
1305 /* general System V Release 4 defines */
1306 #ifdef __svr4__
1307 # define SYSTEM5	1
1308 # define USESETEUID	1	/* has useable seteuid(2) call */
1309 # define HASINITGROUPS	1	/* has initgroups(3) call */
1310 #  define BSD_COMP	1	/* get BSD ioctl calls */
1311 # ifndef HASSETRLIMIT
1312 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1313 # endif
1314 # ifndef HASGETUSERSHELL
1315 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1316 # endif
1317 
1318 # ifndef _PATH_UNIX
1319 #  define _PATH_UNIX		"/unix"
1320 # endif
1321 # ifndef _PATH_SENDMAILCF
1322 #  define _PATH_SENDMAILCF	"/usr/ucblib/sendmail.cf"
1323 # endif
1324 # ifndef _PATH_SENDMAILPID
1325 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1326 # endif
1327 # ifndef SYSLOG_BUFSIZE
1328 #  define SYSLOG_BUFSIZE	128
1329 # endif
1330 # ifndef SFS_TYPE
1331 #  define SFS_TYPE		SFS_STATVFS
1332 # endif
1333 #endif
1334 
1335 /* general System V defines */
1336 #ifdef SYSTEM5
1337 # include <sys/sysmacros.h>
1338 # define HASUNAME	1	/* use System V uname(2) system call */
1339 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1340 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1341 # ifndef HASULIMIT
1342 #  define HASULIMIT	1	/* has the ulimit(2) syscall */
1343 # endif
1344 # ifndef LA_TYPE
1345 #  ifdef MIOC_READKSYM
1346 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1347 #  else
1348 #   define LA_TYPE	LA_INT		/* assume integer load average */
1349 #  endif
1350 # endif
1351 # ifndef SFS_TYPE
1352 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
1353 # endif
1354 # ifndef TZ_TYPE
1355 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1356 # endif
1357 # define bcopy(s, d, l)		(memmove((d), (s), (l)))
1358 # define bzero(d, l)		(memset((d), '\0', (l)))
1359 # define bcmp(s, d, l)		(memcmp((s), (d), (l)))
1360 #endif
1361 
1362 /* general POSIX defines */
1363 #ifdef _POSIX_VERSION
1364 # define HASSETSID	1	/* has Posix setsid(2) call */
1365 # define HASWAITPID	1	/* has Posix waitpid(2) call */
1366 # if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
1367 #  define USESETEUID	1	/* has useable seteuid(2) call */
1368 # endif
1369 #endif
1370 /*
1371 **  Tweaking for systems that (for example) claim to be BSD or POSIX
1372 **  but don't have all the standard BSD or POSIX routines (boo hiss).
1373 */
1374 
1375 #ifdef titan
1376 # undef HASINITGROUPS		/* doesn't have initgroups(3) call */
1377 #endif
1378 
1379 #ifdef _CRAYCOM
1380 # undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
1381 #endif
1382 
1383 #ifdef ISC_UNIX
1384 # undef bcopy			/* despite SystemV claim, uses BSD bcopy */
1385 #endif
1386 
1387 #ifdef ALTOS_SYS_V
1388 # undef bcopy			/* despite SystemV claim, uses BSD bcopy */
1389 # undef bzero			/* despite SystemV claim, uses BSD bzero */
1390 # undef bcmp			/* despite SystemV claim, uses BSD bcmp */
1391 #endif
1392 
1393 
1394 /*
1395 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
1396 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
1397 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
1398 **  are closed.  Some firewalls return this error if you try to connect
1399 **  to the IDENT port (113), so you can't receive email from these hosts
1400 **  on these systems.  The firewall really should use a more specific
1401 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB.  If
1402 **  not explicitly set to zero above, default it on.
1403 */
1404 
1405 #ifndef IDENTPROTO
1406 # define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
1407 #endif
1408 
1409 #ifndef IP_SRCROUTE
1410 # define IP_SRCROUTE	1	/* Detect IP source routing */
1411 #endif
1412 
1413 #ifndef HASGETUSERSHELL
1414 # define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
1415 #endif
1416 
1417 #ifndef HASFLOCK
1418 # define HASFLOCK	0	/* assume no flock(2) support */
1419 #endif
1420 
1421 #ifndef HASSETREUID
1422 # define HASSETREUID	0	/* assume no setreuid(2) call */
1423 #endif
1424 
1425 #ifndef USESETEUID
1426 # define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
1427 #endif
1428 
1429 #ifndef HASSETRLIMIT
1430 # define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
1431 #endif
1432 
1433 #ifndef HASULIMIT
1434 # define HASULIMIT	0	/* assume no ulimit(2) support */
1435 #endif
1436 
1437 #ifndef OLD_NEWDB
1438 # define OLD_NEWDB	0	/* assume newer version of newdb */
1439 #endif
1440 
1441 /* heuristic setting of HASSETSIGMASK; can override above */
1442 #ifndef HASSIGSETMASK
1443 # ifdef SIGVTALRM
1444 #  define HASSETSIGMASK	1
1445 # else
1446 #  define HASSETSIGMASK	0
1447 # endif
1448 #endif
1449 
1450 /*
1451 **  If no type for argument two of getgroups call is defined, assume
1452 **  it's an integer -- unfortunately, there seem to be several choices
1453 **  here.
1454 */
1455 
1456 #ifndef GIDSET_T
1457 # define GIDSET_T	int
1458 #endif
1459 
1460 #ifndef UID_T
1461 # define UID_T		uid_t
1462 #endif
1463 
1464 #ifndef SIZE_T
1465 # define SIZE_T		size_t
1466 #endif
1467 
1468 #ifndef ARGV_T
1469 # define ARGV_T		char **
1470 #endif
1471 /**********************************************************************
1472 **  Remaining definitions should never have to be changed.  They are
1473 **  primarily to provide back compatibility for older systems -- for
1474 **  example, it includes some POSIX compatibility definitions
1475 **********************************************************************/
1476 
1477 /* System 5 compatibility */
1478 #ifndef S_ISREG
1479 # define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
1480 #endif
1481 #if !defined(S_ISLNK) && defined(S_IFLNK)
1482 # define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
1483 #endif
1484 #ifndef S_IWUSR
1485 # define S_IWUSR		0200
1486 #endif
1487 #ifndef S_IWGRP
1488 # define S_IWGRP		0020
1489 #endif
1490 #ifndef S_IWOTH
1491 # define S_IWOTH		0002
1492 #endif
1493 
1494 /*
1495 **  Older systems don't have this error code -- it should be in
1496 **  /usr/include/sysexits.h.
1497 */
1498 
1499 # ifndef EX_CONFIG
1500 # define EX_CONFIG	78	/* configuration error */
1501 # endif
1502 
1503 /* pseudo-code used in server SMTP */
1504 # define EX_QUIT	22	/* drop out of server immediately */
1505 
1506 
1507 /*
1508 **  These are used in a few cases where we need some special
1509 **  error codes, but where the system doesn't provide something
1510 **  reasonable.  They are printed in errstring.
1511 */
1512 
1513 #ifndef E_PSEUDOBASE
1514 # define E_PSEUDOBASE	256
1515 #endif
1516 
1517 #define EOPENTIMEOUT	(E_PSEUDOBASE + 0)	/* timeout on open */
1518 #define E_DNSBASE	(E_PSEUDOBASE + 20)	/* base for DNS h_errno */
1519 
1520 /* type of arbitrary pointer */
1521 #ifndef ARBPTR_T
1522 # define ARBPTR_T	void *
1523 #endif
1524 
1525 #ifndef __P
1526 # include "cdefs.h"
1527 #endif
1528 
1529 #if NAMED_BIND
1530 # include <arpa/nameser.h>
1531 # ifdef __svr4__
1532 #  ifdef NOERROR
1533 #   undef NOERROR		/* avoid compiler conflict with stream.h */
1534 #  endif
1535 # endif
1536 #endif
1537 
1538 /*
1539 **  The size of an IP address -- can't use sizeof because of problems
1540 **  on Crays, where everything is 64 bits.  This will break if/when
1541 **  IP addresses are expanded to eight bytes.
1542 */
1543 
1544 #ifndef INADDRSZ
1545 # define INADDRSZ	4
1546 #endif
1547 
1548 /*
1549 **  The size of various known types -- for reading network protocols.
1550 **  Again, we can't use sizeof because of compiler randomness.
1551 */
1552 
1553 #ifndef INT16SZ
1554 # define INT16SZ	2
1555 #endif
1556 #ifndef INT32SZ
1557 # define INT32SZ	4
1558 #endif
1559 
1560 /*
1561 **  Do some required dependencies
1562 */
1563 
1564 #if defined(NETINET) || defined(NETISO)
1565 # define SMTP		1	/* enable user and server SMTP */
1566 # define QUEUE		1	/* enable queueing */
1567 # define DAEMON		1	/* include the daemon (requires IPC & SMTP) */
1568 #endif
1569 
1570 
1571 /*
1572 **  Arrange to use either varargs or stdargs
1573 */
1574 
1575 # ifdef __STDC__
1576 
1577 # include <stdarg.h>
1578 
1579 # define VA_LOCAL_DECL	va_list ap;
1580 # define VA_START(f)	va_start(ap, f)
1581 # define VA_END		va_end(ap)
1582 
1583 # else
1584 
1585 # include <varargs.h>
1586 
1587 # define VA_LOCAL_DECL	va_list ap;
1588 # define VA_START(f)	va_start(ap)
1589 # define VA_END		va_end(ap)
1590 
1591 # endif
1592 
1593 #ifdef HASUNAME
1594 # include <sys/utsname.h>
1595 # ifdef newstr
1596 #  undef newstr
1597 # endif
1598 #else /* ! HASUNAME */
1599 # define NODE_LENGTH 32
1600 struct utsname
1601 {
1602 	char nodename[NODE_LENGTH+1];
1603 };
1604 #endif /* HASUNAME */
1605 
1606 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYS_V)
1607 # define MAXHOSTNAMELEN	256
1608 #endif
1609 
1610 #if !defined(SIGCHLD) && defined(SIGCLD)
1611 # define SIGCHLD	SIGCLD
1612 #endif
1613 
1614 #ifndef STDIN_FILENO
1615 # define STDIN_FILENO	0
1616 #endif
1617 
1618 #ifndef STDOUT_FILENO
1619 # define STDOUT_FILENO	1
1620 #endif
1621 
1622 #ifndef STDERR_FILENO
1623 # define STDERR_FILENO	2
1624 #endif
1625 
1626 #ifndef LOCK_SH
1627 # define LOCK_SH	0x01	/* shared lock */
1628 # define LOCK_EX	0x02	/* exclusive lock */
1629 # define LOCK_NB	0x04	/* non-blocking lock */
1630 # define LOCK_UN	0x08	/* unlock */
1631 #endif
1632 
1633 #ifndef SEEK_SET
1634 # define SEEK_SET	0
1635 # define SEEK_CUR	1
1636 # define SEEK_END	2
1637 #endif
1638 
1639 #ifndef SIG_ERR
1640 # define SIG_ERR	((void (*)()) -1)
1641 #endif
1642 
1643 #ifndef WEXITSTATUS
1644 # define WEXITSTATUS(st)	(((st) >> 8) & 0377)
1645 #endif
1646 #ifndef WIFEXITED
1647 # define WIFEXITED(st)		(((st) & 0377) == 0)
1648 #endif
1649 
1650 #ifndef SIGFUNC_DEFINED
1651 typedef void		(*sigfunc_t) __P((int));
1652 #endif
1653 
1654 /* size of syslog buffer */
1655 #ifndef SYSLOG_BUFSIZE
1656 # define SYSLOG_BUFSIZE	1024
1657 #endif
1658 
1659 /*
1660 **  Size of tobuf (deliver.c)
1661 **	Tweak this to match your syslog implementation.  It will have to
1662 **	allow for the extra information printed.
1663 */
1664 
1665 #ifndef TOBUFSIZE
1666 # if (SYSLOG_BUFSIZE) > 512
1667 #  define TOBUFSIZE	(SYSLOG_BUFSIZE - 256)
1668 # else
1669 #  define TOBUFSIZE	256
1670 # endif
1671 #endif
1672 
1673 /*
1674 **  Size of prescan buffer.
1675 **	Despite comments in the _sendmail_ book, this probably should
1676 **	not be changed; there are some hard-to-define dependencies.
1677 */
1678 
1679 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
1680 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
1681 # ifndef FORK
1682 # define FORK		vfork		/* function to call to fork mailer */
1683 # endif
1684 
1685 /*
1686 **  If we are going to link scanf anyway, use it in readcf
1687 */
1688 
1689 #if !defined(HASUNAME) && !defined(SCANF)
1690 # define SCANF		1
1691 #endif
1692