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NCR3000 needs explicit include of sys/sockio.h
[unix-history] / usr / src / usr.sbin / sendmail / src / conf.h
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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 8.177 (Berkeley) %G%
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
18struct 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\f/**********************************************************************
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__
144extern 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# define HASINITGROUPS 1 /* has initgroups(3) call */
180# define HASUNAME 1 /* use System V uname(2) system call */
181# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
182# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */
183# define FORK fork /* no vfork primitive available */
184# define GIDSET_T gid_t
185# define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */
186# define SPT_PADCHAR '\0' /* pad process title with nulls */
187# define LA_TYPE LA_INT
188#endif
189
190
191/*
192** Silicon Graphics IRIX
193**
194** Compiles on 4.0.1.
195**
196** Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
197** Use IRIX5 instead of IRIX for IRIX 5.x.
198**
199** IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
200** IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
201*/
202
203#if defined(IRIX64) || defined(IRIX5)
204# define IRIX
205#endif
206
207#ifdef IRIX
208# define SYSTEM5 1 /* this is a System-V derived system */
209# define HASSETREUID 1 /* has setreuid(2) call */
210# define HASINITGROUPS 1 /* has initgroups(3) call */
211# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
212# define IP_SRCROUTE 1 /* can check IP source routing */
213# define FORK fork /* no vfork primitive available */
214# define setpgid BSDsetpgrp
215# define GIDSET_T gid_t
216# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
217# define SFS_BAVAIL f_bfree /* alternate field name */
218# define LA_TYPE LA_INT
219# ifdef IRIX64
220# define NAMELISTMASK 0x7fffffffffffffff /* mask for nlist() values */
221# else
222# define NAMELISTMASK 0x7fffffff /* mask for nlist() values */
223# endif
224# if defined(IRIX64) || defined(IRIX5)
225# define ARGV_T char *const *
226# else
227# define ARGV_T const char **
228# define WAITUNION 1 /* use "union wait" as wait argument type */
229# endif
230#endif
231
232
233/*
234** SunOS and Solaris
235**
236** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
237** Solaris 2.4 (a.k.a. SunOS 5.4).
238*/
239
240#if defined(sun) && !defined(BSD)
241
242# define HASINITGROUPS 1 /* has initgroups(3) call */
243# define HASUNAME 1 /* use System V uname(2) system call */
244# define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */
245# define IP_SRCROUTE 1 /* can check IP source routing */
246# define LA_TYPE LA_INT
247
248# ifdef SOLARIS_2_3
249# define SOLARIS 203 /* for back compat only -- use -DSOLARIS=203 */
250# endif
251
252# ifdef SOLARIS
253 /* Solaris 2.x (a.k.a. SunOS 5.x) */
254# ifndef __svr4__
255# define __svr4__ /* use all System V Releae 4 defines below */
256# endif
257# define BSD_COMP 1 /* get BSD ioctl calls */
258# include <sys/time.h>
259# define GIDSET_T gid_t
260# ifndef _PATH_UNIX
261# define _PATH_UNIX "/dev/ksyms"
262# endif
263# ifndef _PATH_SENDMAILCF
264# define _PATH_SENDMAILCF "/etc/mail/sendmail.cf"
265# endif
266# ifndef _PATH_SENDMAILPID
267# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid"
268# endif
269# ifndef _PATH_HOSTS
270# define _PATH_HOSTS "/etc/inet/hosts"
271# endif
272# ifndef SYSLOG_BUFSIZE
273# define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */
274# endif
275
276# else
277 /* SunOS 4.0.3 or 4.1.x */
278# define HASSETREUID 1 /* has setreuid(2) call */
279# ifndef HASFLOCK
280# define HASFLOCK 1 /* has flock(2) call */
281# endif
282# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
283# include <vfork.h>
284
285# ifdef SUNOS403
286 /* special tweaking for SunOS 4.0.3 */
287# include <malloc.h>
288# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
289# define NEEDSTRSTR 1 /* need emulation of strstr(3) routine */
290# define WAITUNION 1 /* use "union wait" as wait argument type */
291# undef WIFEXITED
292# undef WEXITSTATUS
293# undef HASUNAME
294# define setpgid setpgrp
295typedef int pid_t;
296extern char *getenv();
297
298# else
299 /* 4.1.x specifics */
300# define HASSETSID 1 /* has Posix setsid(2) call */
301# define HASSETVBUF 1 /* we have setvbuf(3) in libc */
302
303# endif
304# endif
305#endif
306
307/*
308** DG/UX
309**
310** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the
311** older support.
312** 5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
313*/
314
315#ifdef DGUX_5_4_2
316# define DGUX 1
317#endif
318
319#ifdef DGUX
320# define SYSTEM5 1
321# define LA_TYPE LA_DGUX
322# define HASSETREUID 1 /* has setreuid(2) call */
323# define HASUNAME 1 /* use System V uname(2) system call */
324# define HASSETSID 1 /* has Posix setsid(2) call */
325# define HASINITGROUPS 1 /* has initgroups(3) call */
326# define HASGETUSERSHELL 0 /* does not have getusershell(3) */
327# ifndef IDENTPROTO
328# define IDENTPROTO 0 /* TCP/IP implementation is broken */
329# endif
330# define SPT_TYPE SPT_NONE /* don't use setproctitle */
331# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
332
333/* these include files must be included early on DG/UX */
334# include <netinet/in.h>
335# include <arpa/inet.h>
336
337# ifdef DGUX_5_4_2
338# define inet_addr dgux_inet_addr
339extern long dgux_inet_addr();
340# endif
341#endif
342
343
344/*
345** Digital Ultrix 4.2A or 4.3
346**
347** Apparently, fcntl locking is broken on 4.2A, in that locks are
348** not dropped when the process exits. This causes major problems,
349** so flock is the only alternative.
350*/
351
352#ifdef ultrix
353# define HASSETREUID 1 /* has setreuid(2) call */
354# define HASUNSETENV 1 /* has unsetenv(3) call */
355# define HASINITGROUPS 1 /* has initgroups(3) call */
356# define HASUNAME 1 /* use System V uname(2) system call */
357# ifndef HASFLOCK
358# define HASFLOCK 1 /* has flock(2) call */
359# endif
360# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
361# ifndef BROKEN_RES_SEARCH
362# define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */
363# endif
364# ifdef vax
365# define LA_TYPE LA_FLOAT
366# else
367# define LA_TYPE LA_INT
368# define LA_AVENRUN "avenrun"
369# endif
370# define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */
371# ifndef IDENTPROTO
372# define IDENTPROTO 0 /* pre-4.4 TCP/IP implementation is broken */
373# endif
374#endif
375
376
377/*
378** OSF/1 for Intel Paragon.
379**
380** Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
381** of Intel Scalable Systems Divison.
382*/
383
384#ifdef __PARAGON__
385# define __osf__ 1 /* get OSF/1 defines below */
386# ifndef _PATH_SENDMAILCF
387# define _PATH_SENDMAILCF "/var/adm/sendmail/sendmail.cf"
388# endif
389#endif
390
391
392/*
393** OSF/1 (tested on Alpha)
394*/
395
396#ifdef __osf__
397# define HASUNSETENV 1 /* has unsetenv(3) call */
398# define USESETEUID 1 /* has useable seteuid(2) call */
399# define HASINITGROUPS 1 /* has initgroups(3) call */
400# define IP_SRCROUTE 1 /* can check IP source routing */
401# ifndef HASFLOCK
402# define HASFLOCK 1 /* has flock(2) call */
403# endif
404# define LA_TYPE LA_INT
405# define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */
406# ifndef _PATH_SENDMAILPID
407# define _PATH_SENDMAILPID "/var/run/sendmail.pid"
408# endif
409#endif
410
411
412/*
413** NeXTstep
414*/
415
416#ifdef NeXT
417# define HASINITGROUPS 1 /* has initgroups(3) call */
418# define NEEDPUTENV 2 /* need putenv(3) call; no setenv(3) call */
419# ifndef HASFLOCK
420# define HASFLOCK 1 /* has flock(2) call */
421# endif
422# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
423# define WAITUNION 1 /* use "union wait" as wait argument type */
424# define UID_T int /* compiler gripes on uid_t */
425# define sleep sleepX
426# define setpgid setpgrp
427# ifndef LA_TYPE
428# define LA_TYPE LA_MACH
429# endif
430# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
431# ifndef _POSIX_SOURCE
432typedef int pid_t;
433# undef WEXITSTATUS
434# undef WIFEXITED
435# endif
436# ifndef _PATH_SENDMAILCF
437# define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf"
438# endif
439# ifndef _PATH_SENDMAILPID
440# define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid"
441# endif
442#endif
443
444
445/*
446** 4.4 BSD
447**
448** See also BSD defines.
449*/
450
451#ifdef BSD4_4
452# define HASUNSETENV 1 /* has unsetenv(3) call */
453# define USESETEUID 1 /* has useable seteuid(2) call */
454# include <sys/cdefs.h>
455# define ERRLIST_PREDEFINED /* don't declare sys_errlist */
456# define BSD4_4_SOCKADDR /* has sa_len */
457# define NETLINK /* supports AF_LINK */
458# ifndef LA_TYPE
459# define LA_TYPE LA_SUBR
460# endif
461# define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */
462# define SPT_TYPE SPT_PSSTRINGS /* use PS_STRINGS pointer */
463#endif
464
465
466/*
467** BSD/386 (all versions)
468** From Tony Sanders, BSDI
469*/
470
471#ifdef __bsdi__
472# define HASUNSETENV 1 /* has the unsetenv(3) call */
473# define HASSETSID 1 /* has the setsid(2) POSIX syscall */
474# define USESETEUID 1 /* has useable seteuid(2) call */
475# include <sys/cdefs.h>
476# define ERRLIST_PREDEFINED /* don't declare sys_errlist */
477# define BSD4_4_SOCKADDR /* has sa_len */
478# define NETLINK /* supports AF_LINK */
479# define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */
480# ifndef LA_TYPE
481# define LA_TYPE LA_SUBR
482# endif
483# define GIDSET_T gid_t
484# if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
485 /* version 1.1 or later */
486# undef SPT_TYPE
487# define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */
488# else
489 /* version 1.0 or earlier */
490# ifndef OLD_NEWDB
491# define OLD_NEWDB 1 /* old version of newdb library */
492# endif
493# define SPT_PADCHAR '\0' /* pad process title with nulls */
494# endif
495#endif
496
497
498
499/*
500** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions)
501**
502** 4.3BSD clone, closer to 4.4BSD
503**
504** See also BSD defines.
505*/
506
507#if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
508# define HASUNSETENV 1 /* has unsetenv(3) call */
509# define HASSETSID 1 /* has the setsid(2) POSIX syscall */
510# define USESETEUID 1 /* has useable seteuid(2) call */
511# ifdef __NetBSD__
512# define HASUNAME 1 /* has uname(2) syscall */
513# endif
514# include <sys/cdefs.h>
515# define ERRLIST_PREDEFINED /* don't declare sys_errlist */
516# define BSD4_4_SOCKADDR /* has sa_len */
517# define NETLINK /* supports AF_LINK */
518# ifndef LA_TYPE
519# define LA_TYPE LA_SUBR
520# endif
521# define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */
522#endif
523
524
525/*
526** Mach386
527**
528** For mt Xinu's Mach386 system.
529*/
530
531#if defined(MACH) && defined(i386)
532# define MACH386 1
533# define HASUNSETENV 1 /* has unsetenv(3) call */
534# define HASINITGROUPS 1 /* has initgroups(3) call */
535# ifndef HASFLOCK
536# define HASFLOCK 1 /* has flock(2) call */
537# endif
538# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
539# define NEEDSTRTOL 1 /* need the strtol() function */
540# define setpgid setpgrp
541# ifndef LA_TYPE
542# define LA_TYPE LA_FLOAT
543# endif
544# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
545# undef HASSETVBUF /* don't actually have setvbuf(3) */
546# undef WEXITSTATUS
547# undef WIFEXITED
548# ifndef _PATH_SENDMAILCF
549# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
550# endif
551# ifndef _PATH_SENDMAILPID
552# define _PATH_SENDMAILPID "/etc/sendmail.pid"
553# endif
554#endif
555
556
557/*
558** 4.3 BSD -- this is for very old systems
559**
560** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
561**
562** You'll also have to install a new resolver library.
563** I don't guarantee that support for this environment is complete.
564*/
565
566#if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
567# define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */
568# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
569# define ARBPTR_T char *
570# define setpgid setpgrp
571# ifndef LA_TYPE
572# define LA_TYPE LA_FLOAT
573# endif
574# ifndef _PATH_SENDMAILCF
575# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
576# endif
577# ifndef IDENTPROTO
578# define IDENTPROTO 0 /* TCP/IP implementation is broken */
579# endif
580# undef WEXITSTATUS
581# undef WIFEXITED
582typedef short pid_t;
583extern int errno;
584#endif
585
586
587/*
588** SCO Unix
589**
590** This includes two parts -- the first is for SCO Open Server 3.2v4
591** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
592** The second is, I believe, for an older version.
593*/
594
595#ifdef _SCO_unix_4_2
596# define _SCO_unix_
597# define HASSETREUID 1 /* has setreuid(2) call */
598# define NEEDFSYNC 1 /* needs the fsync(2) call stub */
599# define _PATH_UNIX "/unix"
600# ifndef _PATH_SENDMAILCF
601# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
602# endif
603# ifndef _PATH_SENDMAILPID
604# define _PATH_SENDMAILPID "/etc/sendmail.pid"
605# endif
606#endif
607
608#ifdef _SCO_unix_
609# define SYSTEM5 1 /* include all the System V defines */
610# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
611# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
612# define FORK fork
613# define MAXPATHLEN PATHSIZE
614# define LA_TYPE LA_SHORT
615# define SFS_TYPE SFS_4ARGS /* use <sys/statfs.h> 4-arg impl */
616# define SFS_BAVAIL f_bfree /* alternate field name */
617# define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */
618# undef NETUNIX /* no unix domain socket support */
619#endif
620
621
622/*
623** ISC (SunSoft) Unix.
624**
625** Contributed by J.J. Bailey <jjb@jagware.bcc.com>
626*/
627
628#ifdef ISC_UNIX
629# include <net/errno.h>
630# define SYSTEM5 1 /* include all the System V defines */
631# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
632# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
633# define HASSETREUID 1 /* has setreuid(2) call */
634# define NEEDFSYNC 1 /* needs the fsync(2) call stub */
635# undef NETUNIX /* no unix domain socket support */
636# define FORK fork
637# define MAXPATHLEN 1024
638# define LA_TYPE LA_SHORT
639# define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */
640# define SFS_BAVAIL f_bfree /* alternate field name */
641# define _PATH_UNIX "/unix"
642# ifndef _PATH_SENDMAILCF
643# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
644# endif
645# ifndef _PATH_SENDMAILPID
646# define _PATH_SENDMAILPID "/etc/sendmail.pid"
647# endif
648
649typedef short pid_t;
650
651#endif
652
653
654/*
655** Altos System V.
656** Contributed by Tim Rice <timr@crl.com>.
657*/
658
659#ifdef ALTOS_SYS_V
660# include <limits.h>
661# define SYSTEM5 1 /* include all the System V defines */
662# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
663# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
664# define WAITUNION 1 /* use "union wait" as wait argument type */
665# define NEEDFSYNC 1 /* no fsync(2) in system library */
666# define FORK fork
667# define MAXPATHLEN PATHSIZE
668# define LA_TYPE LA_SHORT
669# define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */
670# define SFS_BAVAIL f_bfree /* alternate field name */
671# define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */
672# undef NETUNIX /* no unix domain socket support */
673# undef WIFEXITED
674# undef WEXITSTATUS
675# define strtoul strtol /* gcc library bogosity */
676
677typedef unsigned short uid_t;
678typedef unsigned short gid_t;
679typedef short pid_t;
680#endif
681
682
683/*
684** ConvexOS 11.0 and later
685**
686** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
687** works on 9.1 as well.
688*/
689
690#ifdef _CONVEX_SOURCE
691# define BSD 1 /* include all the BSD defines */
692# define HASUNAME 1 /* use System V uname(2) system call */
693# define HASSETSID 1 /* has POSIX setsid(2) call */
694# define NEEDGETOPT 1 /* need replacement for getopt(3) */
695# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */
696# define LA_TYPE LA_FLOAT
697# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
698# ifndef _PATH_SENDMAILCF
699# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
700# endif
701# ifndef S_IREAD
702# define S_IREAD _S_IREAD
703# define S_IWRITE _S_IWRITE
704# define S_IEXEC _S_IEXEC
705# define S_IFMT _S_IFMT
706# define S_IFCHR _S_IFCHR
707# define S_IFBLK _S_IFBLK
708# endif
709# ifndef IDENTPROTO
710# define IDENTPROTO 0 /* TCP/IP implementation is broken */
711# endif
712#endif
713
714
715/*
716** RISC/os 4.52
717**
718** Gives a ton of warning messages, but otherwise compiles.
719*/
720
721#ifdef RISCOS
722
723# define HASUNSETENV 1 /* has unsetenv(3) call */
724# ifndef HASFLOCK
725# define HASFLOCK 1 /* has flock(2) call */
726# endif
727# define WAITUNION 1 /* use "union wait" as wait argument type */
728# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
729# define LA_TYPE LA_INT
730# define LA_AVENRUN "avenrun"
731# define _PATH_UNIX "/unix"
732# undef WIFEXITED
733
734# define setpgid setpgrp
735
736extern int errno;
737typedef int pid_t;
738#define SIGFUNC_DEFINED
739typedef int (*sigfunc_t)();
740extern char *getenv();
741extern void *malloc();
742
743#endif
744
745
746/*
747** Linux 0.99pl10 and above...
748**
749** Thanks to, in reverse order of contact:
750**
751** John Kennedy <warlock@csuchico.edu>
752** Andrew Pam <avatar@aus.xanadu.com>
753** Florian La Roche <rzsfl@rz.uni-sb.de>
754** Karl London <karl@borg.demon.co.uk>
755**
756** Last compiled against: [05/25/95 @ 11:39:31 AM (Thursday)]
757** sendmail 8.7.b.0 named 4.9.3-beta17 db-1.85
758** gcc 2.6.4-950518 libc-5.0.9 linux 1.2.8
759*/
760
761#ifdef __linux__
762# define BSD 1 /* include BSD defines */
763# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
764# define HASUNAME 1 /* use System V uname(2) system call */
765# define HASUNSETENV 1 /* has unsetenv(3) call */
766# define ERRLIST_PREDEFINED /* don't declare sys_errlist */
767# define GIDSET_T gid_t /* from <linux/types.h> */
768# define HASGETUSERSHELL 0 /* getusershell(3) broken in Slackware 2.0 */
769# define IP_SRCROUTE 0 /* linux <= 1.2.8 doesn't support IP_OPTIONS */
770# ifndef HASFLOCK
771# define HASFLOCK 0 /* flock(2) is broken after 0.99.13 */
772# endif
773# ifndef LA_TYPE
774# define LA_TYPE LA_PROCSTR
775# endif
776# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */
777# ifndef _PATH_SENDMAILPID
778# define _PATH_SENDMAILPID "/var/run/sendmail.pid"
779# endif
780# define TZ_TYPE TZ_TNAME
781# include <sys/sysmacros.h>
782# undef atol /* wounded in <stdlib.h> */
783#endif
784
785
786/*
787** DELL SVR4 Issue 2.2, and others
788** From Kimmo Suominen <kim@grendel.lut.fi>
789**
790** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
791** defined, and the definitions conflict.
792**
793** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
794** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
795** (SVR4.0/386 version 3.0).
796*/
797
798#ifdef DELL_SVR4
799 /* no changes necessary */
800 /* see general __svr4__ defines below */
801#endif
802
803
804/*
805** Apple A/UX 3.0
806*/
807
808#ifdef _AUX_SOURCE
809# include <sys/sysmacros.h>
810# define BSD /* has BSD routines */
811# define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */
812# define HASUNAME 1 /* use System V uname(2) system call */
813# define HASSETVBUF 1 /* we have setvbuf(3) in libc */
814# define SIGFUNC_DEFINED /* sigfunc_t already defined */
815# ifndef IDENTPROTO
816# define IDENTPROTO 0 /* TCP/IP implementation is broken */
817# endif
818# define FORK fork
819# ifndef _PATH_SENDMAILCF
820# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
821# endif
822# ifndef LA_TYPE
823# define LA_TYPE LA_ZERO
824# endif
825# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
826# undef WIFEXITED
827# undef WEXITSTATUS
828#endif
829
830
831/*
832** Encore UMAX V
833**
834** Not extensively tested.
835*/
836
837#ifdef UMAXV
838# include <limits.h>
839# define HASUNAME 1 /* use System V uname(2) system call */
840# define HASSETVBUF 1 /* we have setvbuf(3) in libc */
841# define HASINITGROUPS 1 /* has initgroups(3) call */
842# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
843# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
844# define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */
845# define FORK fork /* no vfork(2) primitive available */
846# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
847# define MAXPATHLEN PATH_MAX
848extern struct passwd *getpwent(), *getpwnam(), *getpwuid();
849extern struct group *getgrent(), *getgrnam(), *getgrgid();
850# undef WIFEXITED
851# undef WEXITSTATUS
852#endif
853
854
855/*
856** Stardent Titan 3000 running TitanOS 4.2.
857**
858** Must be compiled in "cc -43" mode.
859**
860** From Kate Hedstrom <kate@ahab.rutgers.edu>.
861**
862** Note the tweaking below after the BSD defines are set.
863*/
864
865#ifdef titan
866# define setpgid setpgrp
867typedef int pid_t;
868# undef WIFEXITED
869# undef WEXITSTATUS
870#endif
871
872
873/*
874** Sequent DYNIX 3.2.0
875**
876** From Jim Davis <jdavis@cs.arizona.edu>.
877*/
878
879#ifdef sequent
880
881# define BSD 1
882# define HASUNSETENV 1
883# define BSD4_3 1 /* to get signal() in conf.c */
884# define WAITUNION 1
885# define LA_TYPE LA_FLOAT
886# ifdef _POSIX_VERSION
887# undef _POSIX_VERSION /* set in <unistd.h> */
888# endif
889# undef HASSETVBUF /* don't actually have setvbuf(3) */
890# define setpgid setpgrp
891
892/* Have to redefine WIFEXITED to take an int, to work with waitfor() */
893# undef WIFEXITED
894# define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \
895 ((union wait*)&(s))->w_termsig == 0)
896# define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode)
897typedef int pid_t;
898# define isgraph(c) (isprint(c) && (c != ' '))
899
900# ifndef IDENTPROTO
901# define IDENTPROTO 0 /* TCP/IP implementation is broken */
902# endif
903
904# ifndef _PATH_UNIX
905# define _PATH_UNIX "/dynix"
906# endif
907# ifndef _PATH_SENDMAILCF
908# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
909# endif
910
911#endif
912
913
914/*
915** Sequent DYNIX/ptx v2.0 (and higher)
916**
917** For DYNIX/ptx v1.x, undefine HASSETREUID.
918**
919** From Tim Wright <timw@sequent.com>.
920*/
921
922#ifdef _SEQUENT_
923# define SYSTEM5 1 /* include all the System V defines */
924# define HASSETSID 1 /* has POSIX setsid(2) call */
925# define HASINITGROUPS 1 /* has initgroups(3) call */
926# define HASSETREUID 1 /* has setreuid(2) call */
927# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
928# define GIDSET_T gid_t
929# define LA_TYPE LA_INT
930# define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */
931# define SPT_TYPE SPT_NONE /* don't use setproctitle */
932# ifndef IDENTPROTO
933# define IDENTPROTO 0 /* TCP/IP implementation is broken */
934# endif
935# ifndef _PATH_SENDMAILCF
936# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
937# endif
938# ifndef _PATH_SENDMAILPID
939# define _PATH_SENDMAILPID "/etc/sendmail.pid"
940# endif
941#endif
942
943
944/*
945** Cray Unicos
946**
947** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
948*/
949
950#ifdef UNICOS
951# define SYSTEM5 1 /* include all the System V defines */
952# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
953# define MAXPATHLEN PATHSIZE
954# define LA_TYPE LA_ZERO
955# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
956# define SFS_BAVAIL f_bfree /* alternate field name */
957#endif
958
959
960/*
961** Apollo DomainOS
962**
963** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
964**
965** 15 Jan 1994
966**
967*/
968
969#ifdef apollo
970# define HASSETREUID 1 /* has setreuid(2) call */
971# define HASINITGROUPS 1 /* has initgroups(2) call */
972# define SPT_TYPE SPT_NONE /* don't use setproctitle */
973# define LA_TYPE LA_SUBR /* use getloadavg.c */
974# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
975# define SFS_BAVAIL f_bfree /* alternate field name */
976# ifndef _PATH_SENDMAILCF
977# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
978# endif
979# ifndef _PATH_SENDMAILPID
980# define _PATH_SENDMAILPID "/etc/sendmail.pid"
981# endif
982# undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */
983# undef S_IFIFO
984# define S_IFIFO 0010000
985# ifndef IDENTPROTO
986# define IDENTPROTO 0 /* TCP/IP implementation is broken */
987# endif
988#endif
989
990
991/*
992** UnixWare 1.1.2.
993**
994** From Evan Champion <evanc@spatial.synapse.org>.
995*/
996
997#ifdef UNIXWARE
998# define SYSTEM5 1
999# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
1000# define HASGETDTABLESIZE 1
1001# define HASSETREUID 1
1002# define HASSETSID 1
1003# define HASINITGROUPS 1
1004# define GIDSET_T gid_t
1005# define SLEEP_T unsigned
1006# define SFS_TYPE SFS_STATVFS
1007# define LA_TYPE LA_ZERO
1008# undef WIFEXITED
1009# undef WEXITSTATUS
1010# define _PATH_UNIX "/unix"
1011# ifndef _PATH_SENDMAILCF
1012# define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf"
1013# endif
1014# ifndef _PATH_SENDMAILPID
1015# define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid"
1016# endif
1017# define SYSLOG_BUFSIZE 128
1018#endif
1019
1020
1021/*
1022** Intergraph CLIX 3.1
1023**
1024** From Paul Southworth <pauls@locust.cic.net>
1025*/
1026
1027#ifdef CLIX
1028# define SYSTEM5 1 /* looks like System V */
1029# ifndef HASGETUSERSHELL
1030# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
1031# endif
1032# define DEV_BSIZE 512 /* device block size not defined */
1033# define GIDSET_T gid_t
1034# undef LOG /* syslog not available */
1035# define NEEDFSYNC 1 /* no fsync in system library */
1036# define GETSHORT _getshort
1037#endif
1038
1039
1040/*
1041** NCR 3000 Series (SysVr4)
1042**
1043** From Kevin Darcy <kevin@tech.mis.cfc.com>.
1044*/
1045
1046#ifdef NCR3000
1047# include <sys/sockio.h>
1048# define __svr4__
1049# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */
1050# undef BSD
1051# define LA_AVENRUN "avenrun"
1052#endif
1053
1054
1055/*
1056** Tandem NonStop-UX SVR4
1057**
1058** From Rick McCarty <mccarty@mpd.tandem.com>.
1059*/
1060
1061#ifdef NonStop_UX_BXX
1062# define __svr4__
1063#endif
1064
1065
1066/*
1067** Hitachi 3050R & 3050RX Workstations running HI-UX/WE2.
1068**
1069** Tested for 1.04 and 1.03
1070** From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1071*/
1072
1073#ifdef __H3050R
1074# define SYSTEM5 1 /* include all the System V defines */
1075# define HASINITGROUPS 1 /* has initgroups(3) call */
1076# define setreuid(r, e) setresuid(r, e, -1)
1077# define LA_TYPE LA_FLOAT
1078# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1079# define HASSETVBUF /* HI-UX has no setlinebuf */
1080# ifndef GIDSET_T
1081# define GIDSET_T gid_t
1082# endif
1083# ifndef _PATH_UNIX
1084# define _PATH_UNIX "/HI-UX"
1085# endif
1086# ifndef _PATH_SENDMAILCF
1087# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
1088# endif
1089# ifndef IDENTPROTO
1090# define IDENTPROTO 0 /* TCP/IP implementation is broken */
1091# endif
1092# ifndef HASGETUSERSHELL
1093# define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */
1094# endif
1095
1096/* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */
1097# undef m_flags
1098
1099# ifdef __STDC__
1100extern int syslog(int, char *, ...);
1101# endif
1102
1103#endif
1104
1105
1106/*
1107** Amdahl UTS System V 2.1.5 (SVr3-based)
1108**
1109** From: Janet Jackson <janet@dialix.oz.au>.
1110*/
1111
1112#ifdef _UTS
1113# include <sys/sysmacros.h>
1114# undef HASLSTAT /* has symlinks, but they cause problems */
1115# define NEEDFSYNC 1 /* system fsync(2) fails on non-EFS filesys */
1116# define SYS5SIGNALS 1 /* System V signal semantics */
1117# define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */
1118# define HASUNAME 1 /* use System V uname(2) system call */
1119# define HASINITGROUPS 1 /* has initgroups(3) function */
1120# define HASSETVBUF 1 /* has setvbuf(3) function */
1121# define HASSIGSETMASK 0 /* does not have sigsetmask(2) function */
1122# ifndef HASGETUSERSHELL
1123# define HASGETUSERSHELL 0 /* does not have getusershell(3) function */
1124# endif
1125# define GIDSET_T gid_t /* type of 2nd arg to getgroups(2) isn't int */
1126# define LA_TYPE LA_ZERO /* doesn't have load average */
1127# define SFS_TYPE SFS_4ARGS /* use 4-arg statfs() */
1128# define SFS_BAVAIL f_bfree /* alternate field name */
1129# define _PATH_UNIX "/unix"
1130# ifndef _PATH_SENDMAILCF
1131# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
1132# endif
1133#endif
1134
1135/*
1136** Cray Computer Corporation's CSOS
1137**
1138** From Scott Bolte <scott@craycos.com>.
1139*/
1140
1141#ifdef _CRAYCOM
1142# define SYSTEM5 1 /* include all the System V defines */
1143# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
1144# define NEEDFSYNC 1 /* no fsync in system library */
1145# define MAXPATHLEN PATHSIZE
1146# define LA_TYPE LA_ZERO
1147# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
1148# define SFS_BAVAIL f_bfree /* alternate field name */
1149# define _POSIX_CHOWN_RESTRICTED -1
1150extern struct group *getgrent(), *getgrnam(), *getgrgid();
1151#endif
1152
1153
1154/*
1155** Sony NEWS-OS 4.2.1R and 6.0.3
1156**
1157** From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1158*/
1159
1160#ifdef sony_news
1161# ifndef __svr4
1162 /* NEWS-OS 4.2.1R */
1163# ifndef BSD
1164# define BSD /* has BSD routines */
1165# endif
1166# define HASUNSETENV 1 /* has unsetenv(2) call */
1167# undef HASSETVBUF /* don't actually have setvbuf(3) */
1168# define WAITUNION 1 /* use "union wait" as wait argument type */
1169# define LA_TYPE LA_INT
1170# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1171# ifndef HASFLOCK
1172# define HASFLOCK 1 /* has flock(2) call */
1173# endif
1174# define setpgid setpgrp
1175# undef WIFEXITED
1176# undef WEXITSTATUS
1177typedef int pid_t;
1178typedef int (*sigfunc_t)();
1179# define SIGFUNC_DEFINED
1180
1181# else
1182 /* NEWS-OS 6.0.3 with /bin/cc */
1183# define SYSTEM5 1 /* include all the System V defines */
1184# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
1185# define HASINITGROUPS 1 /* has initgroups(3) call */
1186# define USESETEUID 1 /* has useable seteuid(2) call */
1187# define HASSETSID 1 /* has Posix setsid(2) call */
1188# define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */
1189# define LA_TYPE LA_READKSYM /* use MIOC_READKSYM ioctl */
1190# define SFS_TYPE SFS_STATVFS /* use <sys/statvfs.h> statvfs() impl */
1191# ifndef SPT_TYPE
1192# define SPT_TYPE SPT_SYSMIPS /* use sysmips() (OS 6.0.2 or later) */
1193# endif
1194# define GIDSET_T gid_t
1195# undef WIFEXITED
1196# undef WEXITSTATUS
1197# define _PATH_UNIX "/stand/unix"
1198# ifndef _PATH_SENDMAILCF
1199# define _PATH_SENDMAILCF "/etc/mail/sendmail.cf"
1200# endif
1201# ifndef _PATH_SENDMAILPID
1202# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid"
1203# endif
1204
1205# endif
1206#endif
1207
1208
1209/*
1210** Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
1211**
1212** From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1213*/
1214
1215#ifdef luna
1216# ifndef IDENTPROTO
1217# define IDENTPROTO 0 /* TCP/IP implementation is broken */
1218# endif
1219# ifdef uniosb
1220# include <sys/time.h>
1221# define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */
1222# endif
1223# define HASUNSETENV 1 /* has unsetenv(2) call */
1224# define NEEDPUTENV 1 /* need putenv(3) call */
1225# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
1226# define NEEDSTRSTR 1 /* need emulation of the strstr(3) call */
1227# define WAITUNION 1 /* use "union wait" as wait argument type */
1228# ifdef uniosb
1229# define LA_TYPE LA_INT
1230# endif
1231# ifdef luna2m
1232# define LA_TYPE LA_SUBR
1233# endif
1234# ifdef luna88k
1235# define LA_TYPE LA_INT
1236# endif
1237# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1238# define setpgid setpgrp
1239# undef WIFEXITED
1240# undef WEXITSTATUS
1241typedef int pid_t;
1242typedef int (*sigfunc_t)();
1243# define SIGFUNC_DEFINED
1244extern char *getenv();
1245extern int errno;
1246# ifndef _PATH_SENDMAILCF
1247# define _PATH_SENDMAILCF "/usr/lib/sendmail.cf"
1248# endif
1249#endif
1250
1251
1252/*
1253** NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
1254**
1255** From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1256*/
1257
1258#ifdef nec_ews_svr4
1259# ifndef __svr4__
1260# define __svr4__ /* use all System V Releae 4 defines below */
1261# endif
1262# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
1263# define HASSETSID 1 /* has Posix setsid(2) call */
1264# define LA_TYPE LA_READKSYM /* use MIOC_READSYM ioctl */
1265# define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */
1266# define GIDSET_T gid_t
1267# undef WIFEXITED
1268# undef WEXITSTATUS
1269# define NAMELISTMASK 0x7fffffff /* mask for nlist() values */
1270#endif
1271
1272
1273
1274/**********************************************************************
1275** End of Per-Operating System defines
1276**********************************************************************/
1277\f/**********************************************************************
1278** More general defines
1279**********************************************************************/
1280
1281/* general BSD defines */
1282#ifdef BSD
1283# define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */
1284# define HASSETREUID 1 /* has setreuid(2) call */
1285# define HASINITGROUPS 1 /* has initgroups(3) call */
1286# ifndef IP_SRCROUTE
1287# define IP_SRCROUTE 1 /* can check IP source routing */
1288# endif
1289# ifndef HASSETRLIMIT
1290# define HASSETRLIMIT 1 /* has setrlimit(2) call */
1291# endif
1292# ifndef HASFLOCK
1293# define HASFLOCK 1 /* has flock(2) call */
1294# endif
1295# ifndef TZ_TYPE
1296# define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone variable */
1297# endif
1298#endif
1299
1300/* general System V Release 4 defines */
1301#ifdef __svr4__
1302# define SYSTEM5 1
1303# define USESETEUID 1 /* has useable seteuid(2) call */
1304# define HASINITGROUPS 1 /* has initgroups(3) call */
1305# ifndef HASSETRLIMIT
1306# define HASSETRLIMIT 1 /* has setrlimit(2) call */
1307# endif
1308# ifndef HASGETUSERSHELL
1309# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
1310# endif
1311
1312# ifndef _PATH_UNIX
1313# define _PATH_UNIX "/unix"
1314# endif
1315# ifndef _PATH_SENDMAILCF
1316# define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf"
1317# endif
1318# ifndef _PATH_SENDMAILPID
1319# define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid"
1320# endif
1321# ifndef SYSLOG_BUFSIZE
1322# define SYSLOG_BUFSIZE 128
1323# endif
1324# ifndef SFS_TYPE
1325# define SFS_TYPE SFS_STATVFS
1326# endif
1327#endif
1328
1329/* general System V defines */
1330#ifdef SYSTEM5
1331# include <sys/sysmacros.h>
1332# define HASUNAME 1 /* use System V uname(2) system call */
1333# define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */
1334# define HASSETVBUF 1 /* we have setvbuf(3) in libc */
1335# ifndef HASULIMIT
1336# define HASULIMIT 1 /* has the ulimit(2) syscall */
1337# endif
1338# ifndef LA_TYPE
1339# ifdef MIOC_READKSYM
1340# define LA_TYPE LA_READKSYM /* use MIOC_READKSYM ioctl */
1341# else
1342# define LA_TYPE LA_INT /* assume integer load average */
1343# endif
1344# endif
1345# ifndef SFS_TYPE
1346# define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */
1347# endif
1348# ifndef TZ_TYPE
1349# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */
1350# endif
1351# define bcopy(s, d, l) (memmove((d), (s), (l)))
1352# define bzero(d, l) (memset((d), '\0', (l)))
1353# define bcmp(s, d, l) (memcmp((s), (d), (l)))
1354#endif
1355
1356/* general POSIX defines */
1357#ifdef _POSIX_VERSION
1358# define HASSETSID 1 /* has Posix setsid(2) call */
1359# define HASWAITPID 1 /* has Posix waitpid(2) call */
1360# if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
1361# define USESETEUID 1 /* has useable seteuid(2) call */
1362# endif
1363#endif
1364\f/*
1365** Tweaking for systems that (for example) claim to be BSD or POSIX
1366** but don't have all the standard BSD or POSIX routines (boo hiss).
1367*/
1368
1369#ifdef titan
1370# undef HASINITGROUPS /* doesn't have initgroups(3) call */
1371#endif
1372
1373#ifdef _CRAYCOM
1374# undef HASSETSID /* despite POSIX claim, doesn't have setsid */
1375#endif
1376
1377#ifdef ISC_UNIX
1378# undef bcopy /* despite SystemV claim, uses BSD bcopy */
1379#endif
1380
1381#ifdef ALTOS_SYS_V
1382# undef bcopy /* despite SystemV claim, uses BSD bcopy */
1383# undef bzero /* despite SystemV claim, uses BSD bzero */
1384# undef bcmp /* despite SystemV claim, uses BSD bcmp */
1385#endif
1386
1387
1388/*
1389** Due to a "feature" in some operating systems such as Ultrix 4.3 and
1390** HPUX 8.0, if you receive a "No route to host" message (ICMP message
1391** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
1392** are closed. Some firewalls return this error if you try to connect
1393** to the IDENT port (113), so you can't receive email from these hosts
1394** on these systems. The firewall really should use a more specific
1395** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If
1396** not explicitly set to zero above, default it on.
1397*/
1398
1399#ifndef IDENTPROTO
1400# define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */
1401#endif
1402
1403#ifndef IP_SRCROUTE
1404# define IP_SRCROUTE 1 /* Detect IP source routing */
1405#endif
1406
1407#ifndef HASGETUSERSHELL
1408# define HASGETUSERSHELL 1 /* libc has getusershell(3) call */
1409#endif
1410
1411#ifndef HASFLOCK
1412# define HASFLOCK 0 /* assume no flock(2) support */
1413#endif
1414
1415#ifndef HASSETREUID
1416# define HASSETREUID 0 /* assume no setreuid(2) call */
1417#endif
1418
1419#ifndef USESETEUID
1420# define USESETEUID 0 /* assume no seteuid(2) call or no saved ids */
1421#endif
1422
1423#ifndef HASSETRLIMIT
1424# define HASSETRLIMIT 0 /* assume no setrlimit(2) support */
1425#endif
1426
1427#ifndef HASULIMIT
1428# define HASULIMIT 0 /* assume no ulimit(2) support */
1429#endif
1430
1431#ifndef OLD_NEWDB
1432# define OLD_NEWDB 0 /* assume newer version of newdb */
1433#endif
1434
1435/* heuristic setting of HASSETSIGMASK; can override above */
1436#ifndef HASSIGSETMASK
1437# ifdef SIGVTALRM
1438# define HASSETSIGMASK 1
1439# else
1440# define HASSETSIGMASK 0
1441# endif
1442#endif
1443
1444/*
1445** If no type for argument two of getgroups call is defined, assume
1446** it's an integer -- unfortunately, there seem to be several choices
1447** here.
1448*/
1449
1450#ifndef GIDSET_T
1451# define GIDSET_T int
1452#endif
1453
1454#ifndef UID_T
1455# define UID_T uid_t
1456#endif
1457
1458#ifndef SIZE_T
1459# define SIZE_T size_t
1460#endif
1461
1462#ifndef ARGV_T
1463# define ARGV_T char **
1464#endif
1465\f/**********************************************************************
1466** Remaining definitions should never have to be changed. They are
1467** primarily to provide back compatibility for older systems -- for
1468** example, it includes some POSIX compatibility definitions
1469**********************************************************************/
1470
1471/* System 5 compatibility */
1472#ifndef S_ISREG
1473# define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG)
1474#endif
1475#if !defined(S_ISLNK) && defined(S_IFLNK)
1476# define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK)
1477#endif
1478#ifndef S_IWUSR
1479# define S_IWUSR 0200
1480#endif
1481#ifndef S_IWGRP
1482# define S_IWGRP 0020
1483#endif
1484#ifndef S_IWOTH
1485# define S_IWOTH 0002
1486#endif
1487
1488/*
1489** Older systems don't have this error code -- it should be in
1490** /usr/include/sysexits.h.
1491*/
1492
1493# ifndef EX_CONFIG
1494# define EX_CONFIG 78 /* configuration error */
1495# endif
1496
1497/* pseudo-code used in server SMTP */
1498# define EX_QUIT 22 /* drop out of server immediately */
1499
1500
1501/*
1502** These are used in a few cases where we need some special
1503** error codes, but where the system doesn't provide something
1504** reasonable. They are printed in errstring.
1505*/
1506
1507#ifndef E_PSEUDOBASE
1508# define E_PSEUDOBASE 256
1509#endif
1510
1511#define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */
1512#define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */
1513
1514/* type of arbitrary pointer */
1515#ifndef ARBPTR_T
1516# define ARBPTR_T void *
1517#endif
1518
1519#ifndef __P
1520# include "cdefs.h"
1521#endif
1522
1523#if NAMED_BIND
1524# include <arpa/nameser.h>
1525# ifdef __svr4__
1526# ifdef NOERROR
1527# undef NOERROR /* avoid compiler conflict with stream.h */
1528# endif
1529# endif
1530#endif
1531
1532/*
1533** The size of an IP address -- can't use sizeof because of problems
1534** on Crays, where everything is 64 bits. This will break if/when
1535** IP addresses are expanded to eight bytes.
1536*/
1537
1538#ifndef INADDRSZ
1539# define INADDRSZ 4
1540#endif
1541
1542/*
1543** The size of various known types -- for reading network protocols.
1544** Again, we can't use sizeof because of compiler randomness.
1545*/
1546
1547#ifndef INT16SZ
1548# define INT16SZ 2
1549#endif
1550#ifndef INT32SZ
1551# define INT32SZ 4
1552#endif
1553
1554/*
1555** Do some required dependencies
1556*/
1557
1558#if defined(NETINET) || defined(NETISO)
1559# define SMTP 1 /* enable user and server SMTP */
1560# define QUEUE 1 /* enable queueing */
1561# define DAEMON 1 /* include the daemon (requires IPC & SMTP) */
1562#endif
1563
1564
1565/*
1566** Arrange to use either varargs or stdargs
1567*/
1568
1569# ifdef __STDC__
1570
1571# include <stdarg.h>
1572
1573# define VA_LOCAL_DECL va_list ap;
1574# define VA_START(f) va_start(ap, f)
1575# define VA_END va_end(ap)
1576
1577# else
1578
1579# include <varargs.h>
1580
1581# define VA_LOCAL_DECL va_list ap;
1582# define VA_START(f) va_start(ap)
1583# define VA_END va_end(ap)
1584
1585# endif
1586
1587#ifdef HASUNAME
1588# include <sys/utsname.h>
1589# ifdef newstr
1590# undef newstr
1591# endif
1592#else /* ! HASUNAME */
1593# define NODE_LENGTH 32
1594struct utsname
1595{
1596 char nodename[NODE_LENGTH+1];
1597};
1598#endif /* HASUNAME */
1599
1600#if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYS_V)
1601# define MAXHOSTNAMELEN 256
1602#endif
1603
1604#if !defined(SIGCHLD) && defined(SIGCLD)
1605# define SIGCHLD SIGCLD
1606#endif
1607
1608#ifndef STDIN_FILENO
1609# define STDIN_FILENO 0
1610#endif
1611
1612#ifndef STDOUT_FILENO
1613# define STDOUT_FILENO 1
1614#endif
1615
1616#ifndef STDERR_FILENO
1617# define STDERR_FILENO 2
1618#endif
1619
1620#ifndef LOCK_SH
1621# define LOCK_SH 0x01 /* shared lock */
1622# define LOCK_EX 0x02 /* exclusive lock */
1623# define LOCK_NB 0x04 /* non-blocking lock */
1624# define LOCK_UN 0x08 /* unlock */
1625#endif
1626
1627#ifndef SEEK_SET
1628# define SEEK_SET 0
1629# define SEEK_CUR 1
1630# define SEEK_END 2
1631#endif
1632
1633#ifndef SIG_ERR
1634# define SIG_ERR ((void (*)()) -1)
1635#endif
1636
1637#ifndef WEXITSTATUS
1638# define WEXITSTATUS(st) (((st) >> 8) & 0377)
1639#endif
1640#ifndef WIFEXITED
1641# define WIFEXITED(st) (((st) & 0377) == 0)
1642#endif
1643
1644#ifndef SIGFUNC_DEFINED
1645typedef void (*sigfunc_t) __P((int));
1646#endif
1647
1648/* size of syslog buffer */
1649#ifndef SYSLOG_BUFSIZE
1650# define SYSLOG_BUFSIZE 1024
1651#endif
1652
1653/*
1654** Size of tobuf (deliver.c)
1655** Tweak this to match your syslog implementation. It will have to
1656** allow for the extra information printed.
1657*/
1658
1659#ifndef TOBUFSIZE
1660# if (SYSLOG_BUFSIZE) > 512
1661# define TOBUFSIZE (SYSLOG_BUFSIZE - 256)
1662# else
1663# define TOBUFSIZE 256
1664# endif
1665#endif
1666
1667/*
1668** Size of prescan buffer.
1669** Despite comments in the _sendmail_ book, this probably should
1670** not be changed; there are some hard-to-define dependencies.
1671*/
1672
1673# define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */
1674/* fork routine -- set above using #ifdef _osname_ or in Makefile */
1675# ifndef FORK
1676# define FORK vfork /* function to call to fork mailer */
1677# endif
1678
1679/*
1680** If we are going to link scanf anyway, use it in readcf
1681*/
1682
1683#if !defined(HASUNAME) && !defined(SCANF)
1684# define SCANF 1
1685#endif
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.