xref: /csrg-svn/usr.sbin/sendmail/src/conf.h (revision 68839)
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	8.151 (Berkeley) 04/21/95
9  */
10 
11 /*
12 **  CONF.H -- All user-configurable parameters for sendmail
13 */
14 
15 # include <sys/param.h>
16 # include <sys/types.h>
17 # include <sys/stat.h>
18 # include <sys/file.h>
19 # include <sys/wait.h>
20 # include <fcntl.h>
21 # include <signal.h>
22 # include <netdb.h>
23 # include <pwd.h>
24 
25 /**********************************************************************
26 **  Table sizes, etc....
27 **	There shouldn't be much need to change these....
28 **********************************************************************/
29 
30 # define MAXLINE	2048		/* max line length */
31 # define MAXNAME	256		/* max length of a name */
32 # define MAXPV		40		/* max # of parms to mailers */
33 # define MAXATOM	200		/* max atoms per address */
34 # define MAXMAILERS	25		/* maximum mailers known to system */
35 # define MAXRWSETS	200		/* max # of sets of rewriting rules */
36 # define MAXPRIORITIES	25		/* max values for Precedence: field */
37 # define MAXMXHOSTS	20		/* max # of MX records */
38 # define SMTPLINELIM	990		/* maximum SMTP line length */
39 # define MAXKEY		128		/* maximum size of a database key */
40 # define MEMCHUNKSIZE	1024		/* chunk size for memory allocation */
41 # define MAXUSERENVIRON	100		/* max envars saved, must be >= 3 */
42 # define MAXALIASDB	12		/* max # of alias databases */
43 # define MAXMAPSTACK	12		/* max # of stacked or sequenced maps */
44 # define MAXTOCLASS	8		/* max # of message timeout classes */
45 # define MAXMIMEARGS	20		/* max args in Content-Type: */
46 # define MAXMIMENESTING	20		/* max MIME multipart nesting */
47 
48 # ifndef QUEUESIZE
49 # define QUEUESIZE	1000		/* max # of jobs per queue run */
50 # endif
51 
52 /**********************************************************************
53 **  Compilation options.
54 **
55 **	#define these if they are available; comment them out otherwise.
56 **********************************************************************/
57 
58 # define LOG		1	/* enable logging */
59 # define UGLYUUCP	1	/* output ugly UUCP From lines */
60 # define NETUNIX	1	/* include unix domain support */
61 # define NETINET	1	/* include internet support */
62 # define MATCHGECOS	1	/* match user names from gecos field */
63 # define XDEBUG		1	/* enable extended debugging */
64 # if (defined(NEWDB) || defined(HESIOD)) && !defined(USERDB)
65 # define USERDB		1	/* look in user database */
66 # endif
67 
68 /**********************************************************************
69 **  0/1 Compilation options.
70 **	#define these to 1 if they are available;
71 **	#define them to 0 otherwise.
72 **********************************************************************/
73 
74 # ifndef NAMED_BIND
75 #  define NAMED_BIND	1	/* use Berkeley Internet Domain Server */
76 # endif
77 
78 /*
79 **  Most systems have symbolic links today, so default them on.  You
80 **  can turn them off by #undef'ing this below.
81 */
82 
83 # define HASLSTAT	1	/* has lstat(2) call */
84 
85 /*
86 **  General "standard C" defines.
87 **
88 **	These may be undone later, to cope with systems that claim to
89 **	be Standard C but aren't.  Gcc is the biggest offender -- it
90 **	doesn't realize that the library is part of the language.
91 **
92 **	Life would be much easier if we could get rid of this sort
93 **	of bozo problems.
94 */
95 
96 #ifdef __STDC__
97 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
98 #endif
99 
100 /**********************************************************************
101 **  Operating system configuration.
102 **
103 **	Unless you are porting to a new OS, you shouldn't have to
104 **	change these.
105 **********************************************************************/
106 
107 /*
108 **  Per-Operating System defines
109 */
110 
111 
112 /*
113 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
114 */
115 
116 #ifdef __hpux
117 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */
118 # undef m_flags
119 # define SYSTEM5	1	/* include all the System V defines */
120 # define HASINITGROUPS	1	/* has initgroups(3) call */
121 # define HASSETREUID	1	/* has setreuid(2) call */
122 # define setreuid(r, e)		setresuid(r, e, -1)
123 # define LA_TYPE	LA_SUBR
124 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
125 # define GIDSET_T	gid_t
126 # define _PATH_UNIX	"/hp-ux"
127 # ifndef _PATH_SENDMAILCF
128 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
129 # endif
130 # ifndef IDENTPROTO
131 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
132 # endif
133 # ifndef HASGETUSERSHELL
134 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
135 # endif
136 # define syslog		hard_syslog
137 # ifdef __STDC__
138 extern int	syslog(int, char *, ...);
139 # endif
140 #endif
141 
142 
143 /*
144 **  IBM AIX 3.x -- actually tested for 3.2.3
145 */
146 
147 #ifdef _AIX3
148 # define HASINITGROUPS	1	/* has initgroups(3) call */
149 # define HASUNAME	1	/* use System V uname(2) system call */
150 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
151 # define FORK		fork	/* no vfork primitive available */
152 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
153 # define SPT_PADCHAR	'\0'	/* pad process title with nulls */
154 # define LA_TYPE	LA_INT
155 #endif
156 
157 
158 /*
159 **  Silicon Graphics IRIX
160 **
161 **	Compiles on 4.0.1.
162 **
163 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
164 **	Use IRIX5 instead of IRIX for IRIX 5.x.
165 **
166 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
167 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
168 */
169 
170 #if defined(IRIX64) || defined(IRIX5)
171 # define IRIX
172 #endif
173 
174 #ifdef IRIX
175 # define SYSTEM5	1	/* this is a System-V derived system */
176 # define HASSETREUID	1	/* has setreuid(2) call */
177 # define HASINITGROUPS	1	/* has initgroups(3) call */
178 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
179 # define FORK		fork	/* no vfork primitive available */
180 # if !defined(IRIX64) && !defined(IRIX5)
181 #  define WAITUNION	1	/* use "union wait" as wait argument type */
182 # endif
183 # define setpgid	BSDsetpgrp
184 # define GIDSET_T	gid_t
185 # define ARGV_T		const char **
186 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
187 # define SFS_BAVAIL	f_bfree		/* alternate field name */
188 # define LA_TYPE	LA_INT
189 # ifdef IRIX64
190 #  define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
191 # else
192 #  define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
193 # endif
194 #endif
195 
196 
197 /*
198 **  SunOS and Solaris
199 **
200 **	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
201 **	Solaris 2.2 (a.k.a. SunOS 5.2).
202 */
203 
204 #if defined(sun) && !defined(BSD)
205 
206 # define HASINITGROUPS	1	/* has initgroups(3) call */
207 # define HASUNAME	1	/* use System V uname(2) system call */
208 # define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
209 # define LA_TYPE	LA_INT
210 
211 # ifdef SOLARIS_2_3
212 #  define SOLARIS	203	/* for back compat only -- use -DSOLARIS=203 */
213 # endif
214 
215 # ifdef SOLARIS
216 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
217 #  ifndef __svr4__
218 #   define __svr4__		/* use all System V Releae 4 defines below */
219 #  endif
220 #  include <sys/time.h>
221 #  define GIDSET_T	gid_t
222 #  ifndef _PATH_UNIX
223 #   define _PATH_UNIX	"/dev/ksyms"
224 #  endif
225 #  ifndef _PATH_SENDMAILCF
226 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
227 #  endif
228 #  ifndef _PATH_SENDMAILPID
229 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
230 #  endif
231 #  ifndef SYSLOG_BUFSIZE
232 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
233 #  endif
234 
235 # else
236 			/* SunOS 4.0.3 or 4.1.x */
237 #  define HASSETREUID	1	/* has setreuid(2) call */
238 #  ifndef HASFLOCK
239 #   define HASFLOCK	1	/* has flock(2) call */
240 #  endif
241 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
242 #  include <vfork.h>
243 
244 #  ifdef SUNOS403
245 			/* special tweaking for SunOS 4.0.3 */
246 #   include <malloc.h>
247 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
248 #   define WAITUNION	1	/* use "union wait" as wait argument type */
249 #   undef WIFEXITED
250 #   undef WEXITSTATUS
251 #   undef HASUNAME
252 #   define setpgid	setpgrp
253 typedef int		pid_t;
254 extern char		*getenv();
255 
256 #  else
257 			/* 4.1.x specifics */
258 #   define HASSETSID	1	/* has Posix setsid(2) call */
259 #   define HASSETVBUF	1	/* we have setvbuf(3) in libc */
260 
261 #  endif
262 # endif
263 #endif
264 
265 /*
266 **  DG/UX
267 **
268 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
269 **	older support.
270 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
271 */
272 
273 #ifdef DGUX_5_4_2
274 # define DGUX		1
275 #endif
276 
277 #ifdef	DGUX
278 # define SYSTEM5	1
279 # define LA_TYPE	LA_SUBR
280 # define HASSETREUID	1	/* has setreuid(2) call */
281 # define HASUNAME	1	/* use System V uname(2) system call */
282 # define HASSETSID	1	/* has Posix setsid(2) call */
283 # define HASINITGROUPS	1	/* has initgroups(3) call */
284 # define HASGETUSERSHELL 0	/* does not have getusershell(3) */
285 # ifndef IDENTPROTO
286 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
287 # endif
288 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
289 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
290 
291 /* these include files must be included early on DG/UX */
292 # include <netinet/in.h>
293 # include <arpa/inet.h>
294 
295 # ifdef DGUX_5_4_2
296 #  define inet_addr	dgux_inet_addr
297 extern long	dgux_inet_addr();
298 # endif
299 #endif
300 
301 
302 /*
303 **  Digital Ultrix 4.2A or 4.3
304 **
305 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
306 **	not dropped when the process exits.  This causes major problems,
307 **	so flock is the only alternative.
308 */
309 
310 #ifdef ultrix
311 # define HASSETREUID	1	/* has setreuid(2) call */
312 # define HASUNSETENV	1	/* has unsetenv(3) call */
313 # define HASINITGROUPS	1	/* has initgroups(3) call */
314 # define HASUNAME	1	/* use System V uname(2) system call */
315 # ifndef HASFLOCK
316 #  define HASFLOCK	1	/* has flock(2) call */
317 # endif
318 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
319 # define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
320 # ifdef vax
321 #  define LA_TYPE	LA_FLOAT
322 # else
323 #  define LA_TYPE	LA_INT
324 #  define LA_AVENRUN	"avenrun"
325 # endif
326 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
327 # ifndef IDENTPROTO
328 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
329 # endif
330 #endif
331 
332 
333 /*
334 **  OSF/1 for Intel Paragon.
335 **
336 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
337 **	of Intel Scalable Systems Divison.
338 */
339 
340 #ifdef __PARAGON__
341 # define __osf__	1	/* get OSF/1 defines below */
342 # ifndef _PATH_SENDMAILCF
343 #  define _PATH_SENDMAILCF	"/var/adm/sendmail/sendmail.cf"
344 # endif
345 #endif
346 
347 
348 /*
349 **  OSF/1 (tested on Alpha)
350 */
351 
352 #ifdef __osf__
353 # define HASUNSETENV	1	/* has unsetenv(3) call */
354 # define HASSETREUID	1	/* has setreuid(2) call */
355 # define HASINITGROUPS	1	/* has initgroups(3) call */
356 # ifndef HASFLOCK
357 #  define HASFLOCK	1	/* has flock(2) call */
358 # endif
359 # define LA_TYPE	LA_INT
360 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
361 # ifndef _PATH_SENDMAILPID
362 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
363 # endif
364 #endif
365 
366 
367 /*
368 **  NeXTstep
369 */
370 
371 #ifdef NeXT
372 # define HASINITGROUPS	1	/* has initgroups(3) call */
373 # ifndef HASFLOCK
374 #  define HASFLOCK	1	/* has flock(2) call */
375 # endif
376 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
377 # define WAITUNION	1	/* use "union wait" as wait argument type */
378 # define UID_T		int	/* compiler gripes on uid_t */
379 # define sleep		sleepX
380 # define setpgid	setpgrp
381 # ifndef LA_TYPE
382 #  define LA_TYPE	LA_MACH
383 # endif
384 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
385 # ifndef _POSIX_SOURCE
386 typedef int		pid_t;
387 #  undef WEXITSTATUS
388 #  undef WIFEXITED
389 # endif
390 # ifndef _PATH_SENDMAILCF
391 #  define _PATH_SENDMAILCF	"/etc/sendmail/sendmail.cf"
392 # endif
393 # ifndef _PATH_SENDMAILPID
394 #  define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
395 # endif
396 #endif
397 
398 
399 /*
400 **  4.4 BSD
401 **
402 **	See also BSD defines.
403 */
404 
405 #ifdef BSD4_4
406 # define HASUNSETENV	1	/* has unsetenv(3) call */
407 # include <sys/cdefs.h>
408 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
409 # ifndef LA_TYPE
410 #  define LA_TYPE	LA_SUBR
411 # endif
412 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
413 # define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
414 #endif
415 
416 
417 /*
418 **  BSD/386 (all versions)
419 **	From Tony Sanders, BSDI
420 */
421 
422 #ifdef __bsdi__
423 # define HASUNSETENV	1	/* has the unsetenv(3) call */
424 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
425 # include <sys/cdefs.h>
426 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
427 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
428 # ifndef LA_TYPE
429 #  define LA_TYPE	LA_SUBR
430 # endif
431 # define GIDSET_T	gid_t
432 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
433 			/* version 1.1 or later */
434 #  undef SPT_TYPE
435 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
436 # else
437 			/* version 1.0 or earlier */
438 #  ifndef OLD_NEWDB
439 #   define OLD_NEWDB	1	/* old version of newdb library */
440 #  endif
441 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
442 # endif
443 #endif
444 
445 
446 
447 /*
448 **  386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions)
449 **
450 **  4.3BSD clone, closer to 4.4BSD
451 **
452 **	See also BSD defines.
453 */
454 
455 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
456 # define HASUNSETENV	1	/* has unsetenv(3) call */
457 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
458 # ifdef __NetBSD__
459 #  define HASUNAME	1	/* has uname(2) syscall */
460 # endif
461 # include <sys/cdefs.h>
462 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
463 # ifndef LA_TYPE
464 #  define LA_TYPE	LA_SUBR
465 # endif
466 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
467 #endif
468 
469 
470 /*
471 **  Mach386
472 **
473 **	For mt Xinu's Mach386 system.
474 */
475 
476 #if defined(MACH) && defined(i386)
477 # define MACH386	1
478 # define HASUNSETENV	1	/* has unsetenv(3) call */
479 # define HASINITGROUPS	1	/* has initgroups(3) call */
480 # ifndef HASFLOCK
481 #  define HASFLOCK	1	/* has flock(2) call */
482 # endif
483 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
484 # define NEEDSTRTOL	1	/* need the strtol() function */
485 # define setpgid	setpgrp
486 # ifndef LA_TYPE
487 #  define LA_TYPE	LA_FLOAT
488 # endif
489 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
490 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
491 # undef WEXITSTATUS
492 # undef WIFEXITED
493 # ifndef _PATH_SENDMAILCF
494 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
495 # endif
496 # ifndef _PATH_SENDMAILPID
497 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
498 # endif
499 #endif
500 
501 
502 /*
503 **  4.3 BSD -- this is for very old systems
504 **
505 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
506 **
507 **	You'll also have to install a new resolver library.
508 **	I don't guarantee that support for this environment is complete.
509 */
510 
511 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
512 # define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
513 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
514 # define ARBPTR_T	char *
515 # define setpgid	setpgrp
516 # ifndef LA_TYPE
517 #  define LA_TYPE	LA_FLOAT
518 # endif
519 # ifndef _PATH_SENDMAILCF
520 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
521 # endif
522 # ifndef IDENTPROTO
523 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
524 # endif
525 # undef WEXITSTATUS
526 # undef WIFEXITED
527 typedef short		pid_t;
528 extern int		errno;
529 #endif
530 
531 
532 /*
533 **  SCO Unix
534 **
535 **	This includes two parts -- the first is for SCO Open Server 3.2v4
536 **	(contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
537 **	The second is, I believe, for an older version.
538 */
539 
540 #ifdef _SCO_unix_4_2
541 # define _SCO_unix_
542 # define HASSETREUID	1	/* has setreuid(2) call */
543 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
544 # define _PATH_UNIX	"/unix"
545 # ifndef _PATH_SENDMAILCF
546 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
547 # endif
548 # ifndef _PATH_SENDMAILPID
549 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
550 # endif
551 #endif
552 
553 #ifdef _SCO_unix_
554 # define SYSTEM5	1	/* include all the System V defines */
555 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
556 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
557 # define FORK		fork
558 # define MAXPATHLEN	PATHSIZE
559 # define LA_TYPE	LA_SHORT
560 # define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
561 # define SFS_BAVAIL	f_bfree		/* alternate field name */
562 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
563 # undef NETUNIX			/* no unix domain socket support */
564 #endif
565 
566 
567 /*
568 **  ISC (SunSoft) Unix.
569 **
570 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
571 */
572 
573 #ifdef ISC_UNIX
574 # include <net/errno.h>
575 # define SYSTEM5	1	/* include all the System V defines */
576 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
577 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
578 # define HASSETREUID	1	/* has setreuid(2) call */
579 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
580 # undef NETUNIX			/* no unix domain socket support */
581 # define FORK		fork
582 # define MAXPATHLEN	1024
583 # define LA_TYPE	LA_SHORT
584 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
585 # define SFS_BAVAIL	f_bfree		/* alternate field name */
586 # define _PATH_UNIX	"/unix"
587 # ifndef _PATH_SENDMAILCF
588 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
589 # endif
590 # ifndef _PATH_SENDMAILPID
591 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
592 # endif
593 
594 typedef short		pid_t;
595 
596 #endif
597 
598 
599 /*
600 **  Altos System V.
601 **	Contributed by Tim Rice <timr@crl.com>.
602 */
603 
604 #ifdef ALTOS_SYS_V
605 # include <limits.h>
606 # define SYSTEM5	1	/* include all the System V defines */
607 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
608 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
609 # define WAITUNION	1	/* use "union wait" as wait argument type */
610 # define NEEDFSYNC	1	/* no fsync(2) in system library */
611 # define FORK		fork
612 # define MAXPATHLEN	PATHSIZE
613 # define LA_TYPE	LA_SHORT
614 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
615 # define SFS_BAVAIL	f_bfree		/* alternate field name */
616 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
617 # undef NETUNIX			/* no unix domain socket support */
618 # undef WIFEXITED
619 # undef WEXITSTATUS
620 # define strtoul	strtol	/* gcc library bogosity */
621 
622 typedef unsigned short	uid_t;
623 typedef unsigned short	gid_t;
624 typedef short		pid_t;
625 #endif
626 
627 
628 /*
629 **  ConvexOS 11.0 and later
630 **
631 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
632 **	works on 9.1 as well.
633 */
634 
635 #ifdef _CONVEX_SOURCE
636 # define BSD		1	/* include all the BSD defines */
637 # define HASUNAME	1	/* use System V uname(2) system call */
638 # define HASSETSID	1	/* has POSIX setsid(2) call */
639 # define NEEDGETOPT	1	/* need replacement for getopt(3) */
640 # define LA_TYPE	LA_FLOAT
641 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
642 # ifndef _PATH_SENDMAILCF
643 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
644 # endif
645 # ifndef S_IREAD
646 #  define S_IREAD	_S_IREAD
647 #  define S_IWRITE	_S_IWRITE
648 #  define S_IEXEC	_S_IEXEC
649 #  define S_IFMT	_S_IFMT
650 #  define S_IFCHR	_S_IFCHR
651 #  define S_IFBLK	_S_IFBLK
652 # endif
653 # ifndef IDENTPROTO
654 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
655 # endif
656 #endif
657 
658 
659 /*
660 **  RISC/os 4.52
661 **
662 **	Gives a ton of warning messages, but otherwise compiles.
663 */
664 
665 #ifdef RISCOS
666 
667 # define HASUNSETENV	1	/* has unsetenv(3) call */
668 # ifndef HASFLOCK
669 #  define HASFLOCK	1	/* has flock(2) call */
670 # endif
671 # define WAITUNION	1	/* use "union wait" as wait argument type */
672 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
673 # define LA_TYPE	LA_INT
674 # define LA_AVENRUN	"avenrun"
675 # define _PATH_UNIX	"/unix"
676 # undef WIFEXITED
677 
678 # define setpgid	setpgrp
679 
680 extern int		errno;
681 typedef int		pid_t;
682 #define			SIGFUNC_DEFINED
683 typedef int		(*sigfunc_t)();
684 extern char		*getenv();
685 extern void		*malloc();
686 
687 #endif
688 
689 
690 /*
691 **  Linux 0.99pl10 and above...
692 **
693 **  Thanks to, in reverse order of contact:
694 **
695 **	John Kennedy <warlock@csuchico.edu>
696 **	Andrew Pam <avatar@aus.xanadu.com>
697 **	Florian La Roche <rzsfl@rz.uni-sb.de>
698 **	Karl London <karl@borg.demon.co.uk>
699 **
700 **  Last compiled against:	[12/14/94 @ 11:38:41 PM (Wednesday)]
701 **	sendmail 8.7.a.5	named 4.9.3-beta12-p1	db-1.85
702 **	gcc 2.6.2		libc.so.4.6.20
703 **	slackware 2.1.0		linux 1.1.70
704 */
705 
706 #ifdef __linux__
707 # define BSD		1	/* include BSD defines */
708 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
709 # define HASUNAME	1	/* use System V uname(2) system call */
710 # define HASUNSETENV	1	/* has unsetenv(3) call */
711 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
712 # define GIDSET_T	gid_t	/* from <linux/types.h> */
713 # define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
714 # ifndef HASFLOCK
715 #  define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
716 # endif
717 # ifndef LA_TYPE
718 #  define LA_TYPE	LA_PROCSTR
719 # endif
720 # define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
721 # ifndef _PATH_SENDMAILPID
722 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
723 # endif
724 # define TZ_TYPE	TZ_TNAME
725 # include <sys/sysmacros.h>
726 # undef atol			/* wounded in <stdlib.h> */
727 #endif
728 
729 
730 /*
731 **  DELL SVR4 Issue 2.2, and others
732 **	From Kimmo Suominen <kim@grendel.lut.fi>
733 **
734 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
735 **	defined, and the definitions conflict.
736 **
737 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
738 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
739 **	(SVR4.0/386 version 3.0).
740 */
741 
742 #ifdef DELL_SVR4
743 				/* no changes necessary */
744 				/* see general __svr4__ defines below */
745 #endif
746 
747 
748 /*
749 **  Apple A/UX 3.0
750 */
751 
752 #ifdef _AUX_SOURCE
753 # include <sys/sysmacros.h>
754 # define BSD			/* has BSD routines */
755 # define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
756 # define HASUNAME	1	/* use System V uname(2) system call */
757 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
758 # define SIGFUNC_DEFINED	/* sigfunc_t already defined */
759 # ifndef IDENTPROTO
760 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
761 # endif
762 # define FORK		fork
763 # ifndef _PATH_SENDMAILCF
764 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
765 # endif
766 # ifndef LA_TYPE
767 #  define LA_TYPE	LA_ZERO
768 # endif
769 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
770 # undef WIFEXITED
771 # undef WEXITSTATUS
772 #endif
773 
774 
775 /*
776 **  Encore UMAX V
777 **
778 **	Not extensively tested.
779 */
780 
781 #ifdef UMAXV
782 # include <limits.h>
783 # define HASUNAME	1	/* use System V uname(2) system call */
784 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
785 # define HASINITGROUPS	1	/* has initgroups(3) call */
786 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
787 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
788 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
789 # define FORK		fork	/* no vfork(2) primitive available */
790 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
791 # define MAXPATHLEN	PATH_MAX
792 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
793 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
794 # undef WIFEXITED
795 # undef WEXITSTATUS
796 #endif
797 
798 
799 /*
800 **  Stardent Titan 3000 running TitanOS 4.2.
801 **
802 **	Must be compiled in "cc -43" mode.
803 **
804 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
805 **
806 **	Note the tweaking below after the BSD defines are set.
807 */
808 
809 #ifdef titan
810 # define setpgid	setpgrp
811 typedef int		pid_t;
812 # undef WIFEXITED
813 # undef WEXITSTATUS
814 #endif
815 
816 
817 /*
818 **  Sequent DYNIX 3.2.0
819 **
820 **	From Jim Davis <jdavis@cs.arizona.edu>.
821 */
822 
823 #ifdef sequent
824 
825 # define BSD		1
826 # define HASUNSETENV	1
827 # define BSD4_3		1	/* to get signal() in conf.c */
828 # define WAITUNION	1
829 # define LA_TYPE	LA_FLOAT
830 # ifdef	_POSIX_VERSION
831 #  undef _POSIX_VERSION		/* set in <unistd.h> */
832 # endif
833 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
834 # define setpgid	setpgrp
835 
836 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
837 # undef	WIFEXITED
838 # define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
839 			 ((union wait*)&(s))->w_termsig == 0)
840 # define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
841 typedef int		pid_t;
842 # define isgraph(c)	(isprint(c) && (c != ' '))
843 
844 # ifndef IDENTPROTO
845 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
846 # endif
847 
848 # ifndef _PATH_UNIX
849 #  define _PATH_UNIX	"/dynix"
850 # endif
851 # ifndef _PATH_SENDMAILCF
852 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
853 # endif
854 
855 #endif
856 
857 
858 /*
859 **  Sequent DYNIX/ptx v2.0 (and higher)
860 **
861 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
862 **
863 **	From Tim Wright <timw@sequent.com>.
864 */
865 
866 #ifdef _SEQUENT_
867 # define SYSTEM5	1	/* include all the System V defines */
868 # define HASSETSID	1	/* has POSIX setsid(2) call */
869 # define HASINITGROUPS	1	/* has initgroups(3) call */
870 # define HASSETREUID	1	/* has setreuid(2) call */
871 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
872 # define GIDSET_T	gid_t
873 # define LA_TYPE	LA_INT
874 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
875 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
876 # ifndef IDENTPROTO
877 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
878 # endif
879 # ifndef _PATH_SENDMAILCF
880 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
881 # endif
882 # ifndef _PATH_SENDMAILPID
883 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
884 # endif
885 #endif
886 
887 
888 /*
889 **  Cray Unicos
890 **
891 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
892 */
893 
894 #ifdef UNICOS
895 # define SYSTEM5	1	/* include all the System V defines */
896 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
897 # define MAXPATHLEN	PATHSIZE
898 # define LA_TYPE	LA_ZERO
899 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
900 # define SFS_BAVAIL	f_bfree		/* alternate field name */
901 #endif
902 
903 
904 /*
905 **  Apollo DomainOS
906 **
907 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
908 **
909 **  15 Jan 1994
910 **
911 */
912 
913 #ifdef apollo
914 # define HASSETREUID	1	/* has setreuid(2) call */
915 # define HASINITGROUPS	1	/* has initgroups(2) call */
916 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
917 # define LA_TYPE	LA_SUBR		/* use getloadavg.c */
918 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
919 # define SFS_BAVAIL	f_bfree		/* alternate field name */
920 # ifndef _PATH_SENDMAILCF
921 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
922 # endif
923 # ifndef _PATH_SENDMAILPID
924 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
925 # endif
926 # undef  S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
927 # undef  S_IFIFO
928 # define S_IFIFO	0010000
929 # ifndef IDENTPROTO
930 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
931 # endif
932 #endif
933 
934 
935 /*
936 **  UnixWare 1.1.2.
937 **
938 **	From Evan Champion <evanc@spatial.synapse.org>.
939 */
940 
941 #ifdef UNIXWARE
942 # define SYSTEM5		1
943 # define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
944 # define HASGETDTABLESIZE	1
945 # define HASSETREUID		1
946 # define HASSETSID		1
947 # define HASINITGROUPS		1
948 # define GIDSET_T		gid_t
949 # define SLEEP_T		unsigned
950 # define SFS_TYPE		SFS_STATVFS
951 # define LA_TYPE		LA_ZERO
952 # undef WIFEXITED
953 # undef WEXITSTATUS
954 # define _PATH_UNIX		"/unix"
955 # ifndef _PATH_SENDMAILCF
956 #  define _PATH_SENDMAILCF	"/usr/ucblib/sendmail.cf"
957 # endif
958 # ifndef _PATH_SENDMAILPID
959 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
960 # endif
961 # define SYSLOG_BUFSIZE	128
962 #endif
963 
964 
965 /*
966 **  Intergraph CLIX 3.1
967 **
968 **	From Paul Southworth <pauls@locust.cic.net>
969 */
970 
971 #ifdef CLIX
972 # define SYSTEM5	1	/* looks like System V */
973 # ifndef HASGETUSERSHELL
974 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
975 # endif
976 # define DEV_BSIZE	512	/* device block size not defined */
977 # define GIDSET_T	gid_t
978 # undef LOG			/* syslog not available */
979 # define NEEDFSYNC	1	/* no fsync in system library */
980 # define GETSHORT	_getshort
981 #endif
982 
983 
984 /*
985 **  NCR 3000 Series (SysVr4)
986 **
987 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
988 */
989 
990 #ifdef NCR3000
991 # define __svr4__
992 # undef BSD
993 # define LA_AVENRUN	"avenrun"
994 #endif
995 
996 
997 /*
998 **  Tandem NonStop-UX SVR4
999 **
1000 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1001 */
1002 
1003 #ifdef NonStop_UX_BXX
1004 # define __svr4__
1005 #endif
1006 
1007 
1008 /*
1009 **  Hitachi 3050R & 3050RX Workstations running HI-UX/WE2.
1010 **
1011 **	Tested for 1.04 and 1.03
1012 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1013 */
1014 
1015 #ifdef __H3050R
1016 # define SYSTEM5	1	/* include all the System V defines */
1017 # define HASINITGROUPS	1	/* has initgroups(3) call */
1018 # define setreuid(r, e)	setresuid(r, e, -1)
1019 # define LA_TYPE	LA_FLOAT
1020 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1021 # define HASSETVBUF	/* HI-UX has no setlinebuf */
1022 # ifndef GIDSET_T
1023 #  define GIDSET_T	gid_t
1024 # endif
1025 # ifndef _PATH_UNIX
1026 #  define _PATH_UNIX	"/HI-UX"
1027 # endif
1028 # ifndef _PATH_SENDMAILCF
1029 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1030 # endif
1031 # ifndef IDENTPROTO
1032 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1033 # endif
1034 # ifndef HASGETUSERSHELL
1035 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1036 # endif
1037 
1038 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */
1039 # undef m_flags
1040 
1041 # ifdef __STDC__
1042 extern int	syslog(int, char *, ...);
1043 # endif
1044 
1045 #endif
1046 
1047 
1048 /*
1049 **  Amdahl UTS System V 2.1.5 (SVr3-based)
1050 **
1051 **    From: Janet Jackson <janet@dialix.oz.au>.
1052 */
1053 
1054 #ifdef _UTS
1055 # include <sys/sysmacros.h>
1056 # undef HASLSTAT	/* has symlinks, but they cause problems */
1057 # define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
1058 # define SYS5SIGNALS	1	/* System V signal semantics */
1059 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1060 # define HASUNAME	1	/* use System V uname(2) system call */
1061 # define HASINITGROUPS	1	/* has initgroups(3) function */
1062 # define HASSETVBUF	1	/* has setvbuf(3) function */
1063 # define HASSIGSETMASK	0	/* does not have sigsetmask(2) function */
1064 # ifndef HASGETUSERSHELL
1065 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
1066 # endif
1067 # define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
1068 # define LA_TYPE	LA_ZERO		/* doesn't have load average */
1069 # define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
1070 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1071 # define _PATH_UNIX	"/unix"
1072 # ifndef _PATH_SENDMAILCF
1073 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1074 # endif
1075 #endif
1076 
1077 /*
1078 **  Cray Computer Corporation's CSOS
1079 **
1080 **	Contributed by Scott Bolte <scott@craycos.com>.
1081 */
1082 
1083 #ifdef _CRAYCOM
1084 # define SYSTEM5	1	/* include all the System V defines */
1085 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1086 # define NEEDFSYNC	1	/* no fsync in system library */
1087 # define MAXPATHLEN	PATHSIZE
1088 # define LA_TYPE	LA_ZERO
1089 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1090 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1091 # define _POSIX_CHOWN_RESTRICTED	-1
1092 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1093 #endif
1094 
1095 
1096 /*
1097 **  Sony NEWS-OS 4.2.1R and 6.0.3
1098 */
1099 
1100 #ifdef sony_news
1101 # ifndef __svr4
1102 			/* NEWS-OS 4.2.1R */
1103 #  ifndef BSD
1104 #   define BSD			/* has BSD routines */
1105 #  endif
1106 #  define HASUNSETENV	1	/* has unsetenv(2) call */
1107 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1108 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1109 #  define LA_TYPE	LA_INT
1110 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1111 #  ifndef HASFLOCK
1112 #   define HASFLOCK	1	/* has flock(2) call */
1113 #  endif
1114 #  define setpgid	setpgrp
1115 #  undef WIFEXITED
1116 #  undef WEXITSTATUS
1117 typedef int		pid_t;
1118 typedef int		(*sigfunc_t)();
1119 #  define SIGFUNC_DEFINED
1120 
1121 # else
1122 			/* NEWS-OS 6.0.3 with /bin/cc */
1123 #  define SYSTEM5	1	/* include all the System V defines */
1124 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1125 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1126 #  define HASSETREUID	1	/* has setreuid(2) call */
1127 #  define HASSETSID	1	/* has Posix setsid(2) call */
1128 #  define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
1129 #  define LA_TYPE	LA_INT
1130 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statvfs() impl */
1131 #  define GIDSET_T	gid_t
1132 #  define setreuid(r, e)	seteuid(e)
1133 #  undef WIFEXITED
1134 #  undef WEXITSTATUS
1135 #  define _PATH_UNIX  "/stand/unix"
1136 #  ifndef _PATH_SENDMAILCF
1137 #   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
1138 #  endif
1139 #  ifndef _PATH_SENDMAILPID
1140 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
1141 #  endif
1142 
1143 # endif
1144 #endif
1145 
1146 
1147 /*
1148 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
1149 */
1150 
1151 #ifdef luna
1152 # ifndef IDENTPROTO
1153 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1154 # endif
1155 # ifdef uniosb
1156 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1157 # endif
1158 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1159 # define WAITUNION	1	/* use "union wait" as wait argument type */
1160 # ifdef uniosb
1161 #  define LA_TYPE	LA_INT
1162 # endif
1163 # ifdef luna2m
1164 #  define LA_TYPE	LA_SUBR
1165 # endif
1166 # ifdef luna88k
1167 #  define LA_TYPE	LA_INT
1168 # endif
1169 # define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1170 # define setpgid	setpgrp
1171 # undef WIFEXITED
1172 # undef WEXITSTATUS
1173 typedef int		pid_t;
1174 typedef int		(*sigfunc_t)();
1175 # define SIGFUNC_DEFINED
1176 extern char	*getenv();
1177 extern int	errno;
1178 # ifndef _PATH_SENDMAILCF
1179 #  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
1180 # endif
1181 #endif
1182 
1183 
1184 /*
1185 **  NEC EWS-UX/V 4.2
1186 **
1187 **  with /usr/ucb/cc
1188 */
1189 
1190 #ifdef nec_ews_svr4
1191 # define SYSTEM5	1	/* include all the System V defines */
1192 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1193 # define HASINITGROUPS	1	/* has initgroups(3) call */
1194 # define HASSETREUID	1	/* has setreuid(2) call */
1195 # define setreuid(r, e)	seteuid(e)
1196 # define HASSETSID	1	/* has Posix setsid(2) call */
1197 # define LA_TYPE	LA_INT
1198 # define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
1199 # define GIDSET_T	gid_t
1200 # ifndef HASGETUSERSHELL
1201 #  define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1202 # endif
1203 # undef WIFEXITED
1204 # undef WEXITSTATUS
1205 # ifndef _PATH_UNIX
1206 #  define _PATH_UNIX		"/unix"
1207 # endif
1208 # ifndef _PATH_SENDMAILCF
1209 #  define _PATH_SENDMAILCF	"/var/ucblib/sendmail.cf"
1210 # endif
1211 # ifndef _PATH_SENDMAILPID
1212 #  define _PATH_SENDMAILPID	"/var/ucblib/sendmail.pid"
1213 # endif
1214 # define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
1215 #endif
1216 
1217 
1218 
1219 /**********************************************************************
1220 **  End of Per-Operating System defines
1221 **********************************************************************/
1222 
1223 /**********************************************************************
1224 **  More general defines
1225 **********************************************************************/
1226 
1227 /* general BSD defines */
1228 #ifdef BSD
1229 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1230 # define HASSETREUID	1	/* has setreuid(2) call */
1231 # define HASINITGROUPS	1	/* has initgroups(3) call */
1232 # ifndef HASSETRLIMIT
1233 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1234 # endif
1235 # ifndef HASFLOCK
1236 #  define HASFLOCK	1	/* has flock(2) call */
1237 # endif
1238 # ifndef TZ_TYPE
1239 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
1240 # endif
1241 #endif
1242 
1243 /* general System V Release 4 defines */
1244 #ifdef __svr4__
1245 # define SYSTEM5	1
1246 # define HASSETREUID	1	/* has seteuid(2) call & working saved uids */
1247 # define HASINITGROUPS	1	/* has initgroups(3) call */
1248 # ifndef HASSETRLIMIT
1249 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1250 # endif
1251 # ifndef HASGETUSERSHELL
1252 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1253 # endif
1254 # define setreuid(r, e)	seteuid(e)
1255 
1256 # ifndef _PATH_UNIX
1257 #  define _PATH_UNIX		"/unix"
1258 # endif
1259 # ifndef _PATH_SENDMAILCF
1260 #  define _PATH_SENDMAILCF	"/usr/ucblib/sendmail.cf"
1261 # endif
1262 # ifndef _PATH_SENDMAILPID
1263 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1264 # endif
1265 # ifndef SYSLOG_BUFSIZE
1266 #  define SYSLOG_BUFSIZE	128
1267 # endif
1268 # ifndef SFS_TYPE
1269 #  define SFS_TYPE		SFS_STATVFS
1270 # endif
1271 #endif
1272 
1273 /* general System V defines */
1274 #ifdef SYSTEM5
1275 # include <sys/sysmacros.h>
1276 # define HASUNAME	1	/* use System V uname(2) system call */
1277 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1278 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1279 # ifndef HASULIMIT
1280 #  define HASULIMIT	1	/* has the ulimit(2) syscall */
1281 # endif
1282 # ifndef LA_TYPE
1283 #  define LA_TYPE	LA_INT		/* assume integer load average */
1284 # endif
1285 # ifndef SFS_TYPE
1286 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
1287 # endif
1288 # ifndef TZ_TYPE
1289 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1290 # endif
1291 # define bcopy(s, d, l)		(memmove((d), (s), (l)))
1292 # define bzero(d, l)		(memset((d), '\0', (l)))
1293 # define bcmp(s, d, l)		(memcmp((s), (d), (l)))
1294 #endif
1295 
1296 /* general POSIX defines */
1297 #ifdef _POSIX_VERSION
1298 # define HASSETSID	1	/* has Posix setsid(2) call */
1299 # define HASWAITPID	1	/* has Posix waitpid(2) call */
1300 #endif
1301 
1302 /*
1303 **  If no type for argument two of getgroups call is defined, assume
1304 **  it's an integer -- unfortunately, there seem to be several choices
1305 **  here.
1306 */
1307 
1308 #ifndef GIDSET_T
1309 # define GIDSET_T	int
1310 #endif
1311 
1312 /*
1313 **  Tweaking for systems that (for example) claim to be BSD or POSIX
1314 **  but don't have all the standard BSD or POSIX routines (boo hiss).
1315 */
1316 
1317 #ifdef titan
1318 # undef HASINITGROUPS		/* doesn't have initgroups(3) call */
1319 #endif
1320 
1321 #ifdef _CRAYCOM
1322 # undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
1323 #endif
1324 
1325 #ifdef ISC_UNIX
1326 # undef bcopy			/* despite SystemV claim, uses BSD bcopy */
1327 #endif
1328 
1329 #ifdef ALTOS_SYS_V
1330 # undef bcopy			/* despite SystemV claim, uses BSD bcopy */
1331 # undef bzero			/* despite SystemV claim, uses BSD bzero */
1332 # undef bcmp			/* despite SystemV claim, uses BSD bcmp */
1333 #endif
1334 
1335 
1336 /*
1337 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
1338 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
1339 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
1340 **  are closed.  Some firewalls return this error if you try to connect
1341 **  to the IDENT port (113), so you can't receive email from these hosts
1342 **  on these systems.  The firewall really should use a more specific
1343 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB.  If
1344 **  not explicitly set to zero above, default it on.
1345 */
1346 
1347 #ifndef IDENTPROTO
1348 # define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
1349 #endif
1350 
1351 #ifndef HASGETUSERSHELL
1352 # define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
1353 #endif
1354 
1355 #ifndef HASFLOCK
1356 # define HASFLOCK	0	/* assume no flock(2) support */
1357 #endif
1358 
1359 #ifndef HASSETRLIMIT
1360 # define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
1361 #endif
1362 
1363 #ifndef HASULIMIT
1364 # define HASULIMIT	0	/* assume no ulimit(2) support */
1365 #endif
1366 
1367 #ifndef OLD_NEWDB
1368 # define OLD_NEWDB	0	/* assume newer version of newdb */
1369 #endif
1370 
1371 /* heuristic setting of HASSETSIGMASK; can override above */
1372 #ifndef HASSIGSETMASK
1373 # ifdef SIGVTALRM
1374 #  define HASSETSIGMASK	1
1375 # else
1376 #  define HASSETSIGMASK	0
1377 # endif
1378 #endif
1379 
1380 #ifndef UID_T
1381 # define UID_T		uid_t
1382 #endif
1383 
1384 #ifndef SIZE_T
1385 # define SIZE_T		size_t
1386 #endif
1387 
1388 #ifndef ARGV_T
1389 # define ARGV_T		char **
1390 #endif
1391 
1392 
1393 /**********************************************************************
1394 **  Remaining definitions should never have to be changed.  They are
1395 **  primarily to provide back compatibility for older systems -- for
1396 **  example, it includes some POSIX compatibility definitions
1397 **********************************************************************/
1398 
1399 /* System 5 compatibility */
1400 #ifndef S_ISREG
1401 # define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
1402 #endif
1403 #if !defined(S_ISLNK) && defined(S_IFLNK)
1404 # define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
1405 #endif
1406 #ifndef S_IWUSR
1407 # define S_IWUSR		0200
1408 #endif
1409 #ifndef S_IWGRP
1410 # define S_IWGRP		0020
1411 #endif
1412 #ifndef S_IWOTH
1413 # define S_IWOTH		0002
1414 #endif
1415 
1416 /*
1417 **  Older systems don't have this error code -- it should be in
1418 **  /usr/include/sysexits.h.
1419 */
1420 
1421 # ifndef EX_CONFIG
1422 # define EX_CONFIG	78	/* configuration error */
1423 # endif
1424 
1425 /* pseudo-code used in server SMTP */
1426 # define EX_QUIT	22	/* drop out of server immediately */
1427 
1428 
1429 /*
1430 **  These are used in a few cases where we need some special
1431 **  error codes, but where the system doesn't provide something
1432 **  reasonable.  They are printed in errstring.
1433 */
1434 
1435 #ifndef E_PSEUDOBASE
1436 # define E_PSEUDOBASE	256
1437 #endif
1438 
1439 #define EOPENTIMEOUT	(E_PSEUDOBASE + 0)	/* timeout on open */
1440 #define E_DNSBASE	(E_PSEUDOBASE + 20)	/* base for DNS h_errno */
1441 
1442 /* type of arbitrary pointer */
1443 #ifndef ARBPTR_T
1444 # define ARBPTR_T	void *
1445 #endif
1446 
1447 #ifndef __P
1448 # include "cdefs.h"
1449 #endif
1450 
1451 #if NAMED_BIND
1452 # include <arpa/nameser.h>
1453 # ifdef __svr4__
1454 #  ifdef NOERROR
1455 #   undef NOERROR		/* avoid compiler conflict with stream.h */
1456 #  endif
1457 # endif
1458 #endif
1459 
1460 /*
1461 **  The size of an IP address -- can't use sizeof because of problems
1462 **  on Crays, where everything is 64 bits.  This will break if/when
1463 **  IP addresses are expanded to eight bytes.
1464 */
1465 
1466 #ifndef INADDRSZ
1467 # define INADDRSZ	4
1468 #endif
1469 
1470 /*
1471 **  The size of various known types -- for reading network protocols.
1472 **  Again, we can't use sizeof because of compiler randomness.
1473 */
1474 
1475 #ifndef INT16SZ
1476 # define INT16SZ	2
1477 #endif
1478 #ifndef INT32SZ
1479 # define INT32SZ	4
1480 #endif
1481 
1482 /*
1483 **  Do some required dependencies
1484 */
1485 
1486 #if defined(NETINET) || defined(NETISO)
1487 # define SMTP		1	/* enable user and server SMTP */
1488 # define QUEUE		1	/* enable queueing */
1489 # define DAEMON		1	/* include the daemon (requires IPC & SMTP) */
1490 #endif
1491 
1492 
1493 /*
1494 **  Arrange to use either varargs or stdargs
1495 */
1496 
1497 # ifdef __STDC__
1498 
1499 # include <stdarg.h>
1500 
1501 # define VA_LOCAL_DECL	va_list ap;
1502 # define VA_START(f)	va_start(ap, f)
1503 # define VA_END		va_end(ap)
1504 
1505 # else
1506 
1507 # include <varargs.h>
1508 
1509 # define VA_LOCAL_DECL	va_list ap;
1510 # define VA_START(f)	va_start(ap)
1511 # define VA_END		va_end(ap)
1512 
1513 # endif
1514 
1515 #ifdef HASUNAME
1516 # include <sys/utsname.h>
1517 # ifdef newstr
1518 #  undef newstr
1519 # endif
1520 #else /* ! HASUNAME */
1521 # define NODE_LENGTH 32
1522 struct utsname
1523 {
1524 	char nodename[NODE_LENGTH+1];
1525 };
1526 #endif /* HASUNAME */
1527 
1528 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYS_V)
1529 # define MAXHOSTNAMELEN	256
1530 #endif
1531 
1532 #if !defined(SIGCHLD) && defined(SIGCLD)
1533 # define SIGCHLD	SIGCLD
1534 #endif
1535 
1536 #ifndef STDIN_FILENO
1537 # define STDIN_FILENO	0
1538 #endif
1539 
1540 #ifndef STDOUT_FILENO
1541 # define STDOUT_FILENO	1
1542 #endif
1543 
1544 #ifndef STDERR_FILENO
1545 # define STDERR_FILENO	2
1546 #endif
1547 
1548 #ifndef LOCK_SH
1549 # define LOCK_SH	0x01	/* shared lock */
1550 # define LOCK_EX	0x02	/* exclusive lock */
1551 # define LOCK_NB	0x04	/* non-blocking lock */
1552 # define LOCK_UN	0x08	/* unlock */
1553 #endif
1554 
1555 #ifndef SEEK_SET
1556 # define SEEK_SET	0
1557 # define SEEK_CUR	1
1558 # define SEEK_END	2
1559 #endif
1560 
1561 #ifndef SIG_ERR
1562 # define SIG_ERR	((void (*)()) -1)
1563 #endif
1564 
1565 #ifndef WEXITSTATUS
1566 # define WEXITSTATUS(st)	(((st) >> 8) & 0377)
1567 #endif
1568 #ifndef WIFEXITED
1569 # define WIFEXITED(st)		(((st) & 0377) == 0)
1570 #endif
1571 
1572 #ifndef SIGFUNC_DEFINED
1573 typedef void		(*sigfunc_t) __P((int));
1574 #endif
1575 
1576 /* size of syslog buffer */
1577 #ifndef SYSLOG_BUFSIZE
1578 # define SYSLOG_BUFSIZE	1024
1579 #endif
1580 
1581 /*
1582 **  Size of tobuf (deliver.c)
1583 **	Tweak this to match your syslog implementation.  It will have to
1584 **	allow for the extra information printed.
1585 */
1586 
1587 #ifndef TOBUFSIZE
1588 # if (SYSLOG_BUFSIZE) > 512
1589 #  define TOBUFSIZE	(SYSLOG_BUFSIZE - 256)
1590 # else
1591 #  define TOBUFSIZE	256
1592 # endif
1593 #endif
1594 
1595 /*
1596 **  Size of prescan buffer.
1597 **	Despite comments in the _sendmail_ book, this probably should
1598 **	not be changed; there are some hard-to-define dependencies.
1599 */
1600 
1601 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
1602 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
1603 # ifndef FORK
1604 # define FORK		vfork		/* function to call to fork mailer */
1605 # endif
1606 
1607 /*
1608 **  If we are going to link scanf anyway, use it in readcf
1609 */
1610 
1611 #if !defined(HASUNAME) && !defined(SCANF)
1612 # define SCANF		1
1613 #endif
1614