xref: /freebsd/contrib/sendmail/src/conf.h (revision 1b6c76a2fe091c74f08427e6c870851025a9cf67)
1 /*
2  * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.
3  *	All rights reserved.
4  * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
5  * Copyright (c) 1988, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * By using this file, you agree to the terms and conditions set
9  * forth in the LICENSE file which can be found at the top level of
10  * the sendmail distribution.
11  *
12  *
13  *	$Id: conf.h,v 8.496.4.43 2001/05/20 22:29:59 gshapiro Exp $
14  */
15 
16 /* $FreeBSD$ */
17 
18 /*
19 **  CONF.H -- All user-configurable parameters for sendmail
20 **
21 **	Send updates to sendmail@Sendmail.ORG so they will be
22 **	included in the next release.
23 */
24 
25 #ifndef CONF_H
26 #define CONF_H 1
27 
28 #ifdef __GNUC__
29 struct rusage;	/* forward declaration to get gcc to shut up in wait.h */
30 #endif /* __GNUC__ */
31 
32 # include <sys/param.h>
33 # include <sys/types.h>
34 # if SFIO && defined(SF_APPEND)
35 #  undef SF_APPEND		/* Both sfio/stdio.h and sys/stat.h define it */
36 # endif /* SFIO && defined(SF_APPEND) */
37 # include <sys/stat.h>
38 # ifndef __QNX__
39 /* in QNX this grabs bogus LOCK_* manifests */
40 #  include <sys/file.h>
41 # endif /* ! __QNX__ */
42 # include <sys/wait.h>
43 # include <limits.h>
44 # include <fcntl.h>
45 # include <signal.h>
46 # include <netdb.h>
47 # include <pwd.h>
48 # include <grp.h>
49 
50 /* make sure TOBUFSIZ isn't larger than system limit for size of exec() args */
51 #ifdef ARG_MAX
52 # if ARG_MAX > 4096
53 #  define SM_ARG_MAX	4096
54 # else /* ARG_MAX > 4096 */
55 #  define SM_ARG_MAX	ARG_MAX
56 # endif /* ARG_MAX > 4096 */
57 #else /* ARG_MAX */
58 # define SM_ARG_MAX	4096
59 #endif /* ARG_MAX */
60 
61 /**********************************************************************
62 **  Table sizes, etc....
63 **	There shouldn't be much need to change these....
64 **********************************************************************/
65 
66 #define MAXLINE		2048		/* max line length */
67 #define MAXNAME		256		/* max length of a name */
68 #define MAXPV		256		/* max # of parms to mailers */
69 #define MAXATOM		1000		/* max atoms per address */
70 #define MAXRWSETS	200		/* max # of sets of rewriting rules */
71 #define MAXPRIORITIES	25		/* max values for Precedence: field */
72 #define MAXMXHOSTS	100		/* max # of MX records for one host */
73 #define SMTPLINELIM	990		/* maximum SMTP line length */
74 #define MAXKEY		128		/* maximum size of a database key */
75 #define MEMCHUNKSIZE	1024		/* chunk size for memory allocation */
76 #define MAXUSERENVIRON	100		/* max envars saved, must be >= 3 */
77 #define MAXALIASDB	12		/* max # of alias databases */
78 #define MAXMAPSTACK	12		/* max # of stacked or sequenced maps */
79 #if _FFR_MILTER
80 # define MAXFILTERS	25		/* max # of milter filters */
81 # define MAXFILTERMACROS	50	/* max # of macros per milter cmd */
82 #endif /* _FFR_MILTER */
83 #define MAXSMTPARGS	20		/* max # of ESMTP args for MAIL/RCPT */
84 #define MAXTOCLASS	8		/* max # of message timeout classes */
85 #define MAXRESTOTYPES	3		/* max # of resolver timeout types */
86 #define MAXMIMEARGS	20		/* max args in Content-Type: */
87 #define MAXMIMENESTING	20		/* max MIME multipart nesting */
88 #define QUEUESEGSIZE	1000		/* increment for queue size */
89 #define MAXQFNAME	21		/* max qf file name length */
90 #define MACBUFSIZE	4096		/* max expanded macro buffer size */
91 #define TOBUFSIZE	SM_ARG_MAX	/* max buffer to hold address list */
92 #define MAXSHORTSTR	203		/* max short string length */
93 #define MAXMACNAMELEN	25		/* max macro name length */
94 #define MAXMACROID	0377		/* max macro id number */
95 					/* Must match (BITMAPBITS - 1) */
96 #ifndef MAXHDRSLEN
97 # define MAXHDRSLEN	(32 * 1024)	/* max size of message headers */
98 #endif /* ! MAXHDRSLEN */
99 #define MAXDAEMONS	10		/* max number of ports to listen to */
100 #ifndef MAXINTERFACES
101 # define MAXINTERFACES	512		/* number of interfaces to probe */
102 #endif /* MAXINTERFACES */
103 #ifndef MAXSYMLINKS
104 # define MAXSYMLINKS	32		/* max number of symlinks in a path */
105 #endif /* ! MAXSYMLINKS */
106 #define MAXLINKPATHLEN	(MAXPATHLEN * MAXSYMLINKS) /* max link-expanded file */
107 #define DATA_PROGRESS_TIMEOUT	300	/* how ofter to check DATA progress */
108 #define ENHSCLEN	10		/* max len of enhanced status code */
109 #if _FFR_DYNAMIC_TOBUF
110 # define DEFAULT_MAX_RCPT	100	/* max number of RCPTs per envelope */
111 #endif /* _FFR_DYNAMIC_TOBUF */
112 
113 #if SASL
114 # ifndef AUTH_MECHANISMS
115 #  if STARTTLS && _FFR_EXT_MECH
116 #   define AUTH_MECHANISMS	"EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5"
117 #  else /* STARTTLS && _FFR_EXT_MECH */
118 #   define AUTH_MECHANISMS	"GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5"
119 #  endif /* STARTTLS && _FFR_EXT_MECH */
120 # endif /* ! AUTH_MECHANISMS */
121 #endif /* SASL */
122 
123 #ifdef LDAPMAP
124 # define LDAPMAP_MAX_ATTR	64
125 # define LDAPMAP_MAX_FILTER	1024
126 # define LDAPMAP_MAX_PASSWD	256
127 #endif /* LDAPMAP */
128 
129 /**********************************************************************
130 **  Compilation options.
131 **	#define these to 1 if they are available;
132 **	#define them to 0 otherwise.
133 **  All can be overridden from Makefile.
134 **********************************************************************/
135 
136 #ifndef NETINET
137 # define NETINET	1	/* include internet support */
138 #endif /* ! NETINET */
139 
140 #ifndef NETINET6
141 # define NETINET6	0	/* do not include IPv6 support */
142 #endif /* ! NETINET6 */
143 
144 #ifndef NETISO
145 # define NETISO	0		/* do not include ISO socket support */
146 #endif /* ! NETISO */
147 
148 #ifndef NAMED_BIND
149 # define NAMED_BIND	1	/* use Berkeley Internet Domain Server */
150 #endif /* ! NAMED_BIND */
151 
152 #ifndef XDEBUG
153 # define XDEBUG		1	/* enable extended debugging */
154 #endif /* ! XDEBUG */
155 
156 #ifndef MATCHGECOS
157 # define MATCHGECOS	1	/* match user names from gecos field */
158 #endif /* ! MATCHGECOS */
159 
160 #ifndef DSN
161 # define DSN		1	/* include delivery status notification code */
162 #endif /* ! DSN */
163 
164 #if !defined(USERDB) && (defined(NEWDB) || defined(HESIOD))
165 # define USERDB		1	/* look in user database */
166 #endif /* !defined(USERDB) && (defined(NEWDB) || defined(HESIOD)) */
167 
168 #ifndef MIME8TO7
169 # define MIME8TO7	1	/* 8->7 bit MIME conversions */
170 #endif /* ! MIME8TO7 */
171 
172 #ifndef MIME7TO8
173 # define MIME7TO8	1	/* 7->8 bit MIME conversions */
174 #endif /* ! MIME7TO8 */
175 
176 /**********************************************************************
177 **  "Hard" compilation options.
178 **	#define these if they are available; comment them out otherwise.
179 **  These cannot be overridden from the Makefile, and should really not
180 **  be turned off unless absolutely necessary.
181 **********************************************************************/
182 
183 #define LOG		1	/* enable logging -- don't turn off */
184 
185 /**********************************************************************
186 **  End of site-specific configuration.
187 **********************************************************************/
188 /*
189 **  General "standard C" defines.
190 **
191 **	These may be undone later, to cope with systems that claim to
192 **	be Standard C but aren't.  Gcc is the biggest offender -- it
193 **	doesn't realize that the library is part of the language.
194 **
195 **	Life would be much easier if we could get rid of this sort
196 **	of bozo problems.
197 */
198 
199 #ifdef __STDC__
200 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
201 #endif /* __STDC__ */
202 
203 /*
204 **  Assume you have standard calls; can be #undefed below if necessary.
205 */
206 
207 #ifndef HASLSTAT
208 # define HASLSTAT	1	/* has lstat(2) call */
209 #endif /* ! HASLSTAT */
210 /**********************************************************************
211 **  Operating system configuration.
212 **
213 **	Unless you are porting to a new OS, you shouldn't have to
214 **	change these.
215 **********************************************************************/
216 
217 /*
218 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
219 **
220 **	If V4FS is defined, compile for HP-UX 10.0.
221 **	11.x support from Richard Allen <ra@hp.is>.
222 */
223 
224 #ifdef __hpux
225 		/* common definitions for HP-UX 9.x and 10.x */
226 # undef m_flags		/* conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h on HP 300 */
227 # define SYSTEM5	1	/* include all the System V defines */
228 # define HASINITGROUPS	1	/* has initgroups(3) call */
229 # define HASFCHMOD	1	/* has fchmod(2) syscall */
230 # define USESETEUID	1	/* has usable seteuid(2) call */
231 # define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
232 # define seteuid(e)	setresuid(-1, e, -1)
233 # define IP_SRCROUTE	1	/* can check IP source routing */
234 # define LA_TYPE	LA_HPUX
235 # define SPT_TYPE	SPT_PSTAT
236 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
237 # define GIDSET_T	gid_t
238 # ifndef HASGETUSERSHELL
239 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
240 # endif /* ! HASGETUSERSHELL */
241 # ifdef HPUX11
242 #  define HASFCHOWN	1	/* has fchown(2) */
243 #  define HASSNPRINTF	1	/* has snprintf(3) */
244 #  ifndef BROKEN_RES_SEARCH
245 #   define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
246 #  endif /* ! BROKEN_RES_SEARCH */
247 # else /* HPUX11 */
248 #  ifndef NOT_SENDMAIL
249 #   define syslog	hard_syslog
250 #  endif /* ! NOT_SENDMAIL */
251 # endif /* HPUX11 */
252 # define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
253 
254 # ifdef V4FS
255 		/* HP-UX 10.x */
256 #  define _PATH_UNIX		"/stand/vmunix"
257 #  ifndef _PATH_VENDOR_CF
258 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
259 #  endif /* ! _PATH_VENDOR_CF */
260 #  ifndef _PATH_SENDMAILPID
261 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
262 #  endif /* ! _PATH_SENDMAILPID */
263 #  ifndef IDENTPROTO
264 #   define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
265 #  endif /* ! IDENTPROTO */
266 #  include <sys/mpctl.h>	/* for mpctl() in get_num_procs_online() */
267 # else /* V4FS */
268 		/* HP-UX 9.x */
269 #  define _PATH_UNIX		"/hp-ux"
270 #  ifndef _PATH_VENDOR_CF
271 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
272 #  endif /* ! _PATH_VENDOR_CF */
273 #  ifndef IDENTPROTO
274 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
275 #  endif /* ! IDENTPROTO */
276 #  ifdef __STDC__
277 extern void	hard_syslog(int, char *, ...);
278 #  else /* __STDC__ */
279 extern void	hard_syslog();
280 #  endif /* __STDC__ */
281 #  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
282 # endif /* V4FS */
283 
284 #endif /* __hpux */
285 
286 
287 /*
288 **  IBM AIX 4.x
289 */
290 
291 #ifdef _AIX4
292 # define _AIX3		1	/* pull in AIX3 stuff */
293 # define BSD4_4_SOCKADDR	/* has sa_len */
294 # define USESETEUID	1	/* seteuid(2) works */
295 # define TZ_TYPE	TZ_NAME	/* use tzname[] vector */
296 # define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
297 # if _AIX4 >= 40200
298 #  define HASSETREUID	1	/* setreuid(2) works as of AIX 4.2 */
299 #  define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
300 # endif /* _AIX4 >= 40200 */
301 # if _AIX4 >= 40300
302 #  define HASSNPRINTF	1		/* has snprintf starting in 4.3 */
303 # endif /* _AIX4 >= 40300 */
304 # if defined(_ILS_MACROS)	/* IBM versions aren't side-effect clean */
305 #  undef isascii
306 #  define isascii(c)		!(c & ~0177)
307 #  undef isdigit
308 #  define isdigit(__a)		(_IS(__a,_ISDIGIT))
309 #  undef isspace
310 #  define isspace(__a)		(_IS(__a,_ISSPACE))
311 # endif /* defined(_ILS_MACROS) */
312 #endif /* _AIX4 */
313 
314 
315 /*
316 **  IBM AIX 3.x -- actually tested for 3.2.3
317 */
318 
319 #ifdef _AIX3
320 # include <paths.h>
321 # include <sys/machine.h>	/* to get byte order */
322 # include <sys/select.h>
323 # define HASFCHOWN	1	/* has fchown(2) */
324 # define HASINITGROUPS	1	/* has initgroups(3) call */
325 # define HASUNAME	1	/* use System V uname(2) system call */
326 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
327 # define HASFCHMOD	1	/* has fchmod(2) syscall */
328 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
329 # define GIDSET_T	gid_t
330 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
331 # define SPT_PADCHAR	'\0'	/* pad process title with nulls */
332 # define LA_TYPE	LA_INT
333 # define FSHIFT		16
334 # define LA_AVENRUN	"avenrun"
335 #endif /* _AIX3 */
336 
337 
338 /*
339 **  IBM AIX 2.2.1 -- actually tested for osupdate level 2706+1773
340 **
341 **	From Mark Whetzel <markw@wg.waii.com>.
342 */
343 
344 #ifdef AIX			/* AIX/RT compiler pre-defines this */
345 # include <paths.h>
346 # include <sys/time.h>		/* AIX/RT resource.h does NOT include this */
347 # define HASINITGROUPS	1	/* has initgroups(3) call */
348 # define HASUNAME	1	/* use System V uname(2) system call */
349 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
350 # define HASFCHMOD	0	/* does not have fchmod(2) syscall */
351 # define HASSETREUID	1	/* use setreuid(2) -lbsd system call */
352 # define HASSETVBUF	1	/* use setvbuf(2) system call */
353 # define HASSETRLIMIT	0	/* does not have setrlimit call */
354 # define HASFLOCK	0	/* does not have flock call - use fcntl */
355 # define HASULIMIT	1	/* use ulimit instead of setrlimit call */
356 # define NEEDGETOPT	1	/* Do we need theirs or ours */
357 # define SYS5SETPGRP	1	/* don't have setpgid on AIX/RT */
358 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
359 # define BSD4_3		1	/* NOT bsd 4.4 or posix signals */
360 # define GIDSET_T	int
361 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
362 # define SPT_PADCHAR	'\0'		/* pad process title with nulls */
363 # define LA_TYPE	LA_SUBR		/* use our ported loadavgd daemon */
364 # define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
365 # define ARBPTR_T	int *
366 # define void		int
367 typedef int		pid_t;
368 /* RTisms for BSD compatibility, specified in the Makefile
369   define BSD		1
370   define BSD_INCLUDES		1
371   define BSD_REMAP_SIGNAL_TO_SIGVEC
372     RTisms needed above */
373 /* make this sendmail in a completely different place */
374 # ifndef _PATH_VENDOR_CF
375 #  define _PATH_VENDOR_CF	"/usr/local/newmail/sendmail.cf"
376 # endif /* ! _PATH_VENDOR_CF */
377 # ifndef _PATH_SENDMAILPID
378 #  define _PATH_SENDMAILPID	"/usr/local/newmail/sendmail.pid"
379 # endif /* ! _PATH_SENDMAILPID */
380 #endif /* AIX */
381 
382 
383 /*
384 **  Silicon Graphics IRIX
385 **
386 **	Compiles on 4.0.1.
387 **
388 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
389 **	Use IRIX5 instead of IRIX for IRIX 5.x.
390 **
391 **	This version tries to be adaptive using _MIPS_SIM:
392 **		_MIPS_SIM == _ABIO32 (= 1)    Abi: -32 on IRIX 6.2
393 **		_MIPS_SIM == _ABIN32 (= 2)    Abi: -n32 on IRIX 6.2
394 **		_MIPS_SIM == _ABI64  (= 3)    Abi: -64 on IRIX 6.2
395 **
396 **		_MIPS_SIM is 1 also on IRIX 5.3
397 **
398 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
399 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
400 **	Adaptive changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
401 */
402 
403 #if defined(__sgi)
404 # ifndef IRIX
405 #  define IRIX
406 # endif /* ! IRIX */
407 # if _MIPS_SIM > 0 && !defined(IRIX5)
408 #  define IRIX5			/* IRIX5 or IRIX6 */
409 # endif /* _MIPS_SIM > 0 && !defined(IRIX5) */
410 # if _MIPS_SIM > 1 && !defined(IRIX6) && !defined(IRIX64)
411 #  define IRIX6			/* IRIX6 */
412 # endif /* _MIPS_SIM > 1 && !defined(IRIX6) && !defined(IRIX64) */
413 #endif /* defined(__sgi) */
414 
415 #ifdef IRIX
416 # define SYSTEM5	1	/* this is a System-V derived system */
417 # define HASSETREUID	1	/* has setreuid(2) call */
418 # define HASINITGROUPS	1	/* has initgroups(3) call */
419 # define HASFCHMOD	1	/* has fchmod(2) syscall */
420 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
421 # define IP_SRCROUTE	1	/* can check IP source routing */
422 # define setpgid	BSDsetpgrp
423 # define GIDSET_T	gid_t
424 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
425 # define SFS_BAVAIL	f_bfree		/* alternate field name */
426 # define SYSLOG_BUFSIZE 512
427 # ifdef IRIX6
428 #  define STAT64	1
429 #  define QUAD_T	unsigned long long
430 #  define LA_TYPE	LA_IRIX6	/* figure out at run time */
431 #  define SAFENFSPATHCONF 0	/* pathconf(2) lies on NFS filesystems */
432 # else /* IRIX6 */
433 #  define LA_TYPE	LA_INT
434 
435 #  ifdef IRIX64
436 #   define STAT64	1
437 #   define QUAD_T	unsigned long long
438 #   define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
439 #  else /* IRIX64 */
440 #   define STAT64	0
441 #   define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
442 #  endif /* IRIX64 */
443 # endif /* IRIX6 */
444 # if defined(IRIX64) || defined(IRIX5) || defined(IRIX6)
445 #  include <sys/cdefs.h>
446 #  include <paths.h>
447 #  define ARGV_T	char *const *
448 #  define HASFCHOWN	1	/* has fchown(2) */
449 #  define HASSETRLIMIT	1	/* has setrlimit(2) syscall */
450 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
451 #  define HASSTRERROR	1	/* has strerror(3) */
452 # else /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
453 #  define ARGV_T	const char **
454 #  define WAITUNION	1	/* use "union wait" as wait argument type */
455 # endif /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
456 #endif /* IRIX */
457 
458 
459 /*
460 **  SunOS and Solaris
461 **
462 **	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
463 **	Solaris 2.4 (a.k.a. SunOS 5.4).
464 */
465 
466 #if defined(sun) && !defined(BSD)
467 
468 # include <sys/time.h>
469 # define HASINITGROUPS	1	/* has initgroups(3) call */
470 # define HASUNAME	1	/* use System V uname(2) system call */
471 # define HASFCHMOD	1	/* has fchmod(2) syscall */
472 # define IP_SRCROUTE	1	/* can check IP source routing */
473 # define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
474 # ifndef HASFCHOWN
475 #  define HASFCHOWN	1	/* fchown(2) */
476 # endif /* ! HASFCHOWN */
477 
478 # ifdef SOLARIS_2_3
479 #  define SOLARIS	20300	/* for back compat only -- use -DSOLARIS=20300 */
480 # endif /* SOLARIS_2_3 */
481 
482 # if defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4))
483 #  define SOLARIS	1	/* unknown Solaris version */
484 # endif /* defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4)) */
485 
486 # ifdef SOLARIS
487 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
488 #  ifndef __svr4__
489 #   define __svr4__		/* use all System V Release 4 defines below */
490 #  endif /* ! __svr4__ */
491 #  define GIDSET_T	gid_t
492 #  define USE_SA_SIGACTION	1	/* use sa_sigaction field */
493 #  if _FFR_MILTER
494 #   define BROKEN_PTHREAD_SLEEP	1	/* sleep after pthread_create() fails */
495 #  endif /* _FFR_MILTER */
496 #  ifndef _PATH_UNIX
497 #   define _PATH_UNIX		"/dev/ksyms"
498 #  endif /* ! _PATH_UNIX */
499 #  ifndef _PATH_VENDOR_CF
500 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
501 #  endif /* ! _PATH_VENDOR_CF */
502 #  ifndef _PATH_SENDMAILPID
503 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
504 #  endif /* ! _PATH_SENDMAILPID */
505 #  ifndef _PATH_HOSTS
506 #   define _PATH_HOSTS		"/etc/inet/hosts"
507 #  endif /* ! _PATH_HOSTS */
508 #  ifndef SYSLOG_BUFSIZE
509 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
510 #  endif /* ! SYSLOG_BUFSIZE */
511 #  ifndef TZ_TYPE
512 #   define TZ_TYPE	TZ_TZNAME
513 #  endif /* ! TZ_TYPE */
514 #  if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203)
515 #   define USESETEUID	1		/* seteuid works as of 2.3 */
516 #  endif /* SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203) */
517 #  if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205)
518 #   define HASSETREUID	1		/* setreuid works as of 2.5 */
519 #   if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700)
520 #    ifndef LA_TYPE
521 #     define LA_TYPE	LA_KSTAT	/* use kstat(3k) -- may work in < 2.5 */
522 #    endif /* ! LA_TYPE */
523 #    ifndef RANDOMSHIFT		/* random() doesn't work well (sometimes) */
524 #     define RANDOMSHIFT	8
525 #    endif /* RANDOMSHIFT */
526 #   endif /* SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) */
527 #  else /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
528 #   ifndef HASRANDOM
529 #    define HASRANDOM	0		/* doesn't have random(3) */
530 #   endif /* ! HASRANDOM */
531 #  endif /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
532 #  if SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206)
533 #   define HASSNPRINTF	1		/* has snprintf starting in 2.6 */
534 #  else /* SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206) */
535 #   if _FFR_MILTER
536 #    define SM_INT32	int	/* 32bit integer */
537 #   endif /* _FFR_MILTER */
538 #  endif /* SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206) */
539 #  if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207)
540 #   ifndef LA_TYPE
541 #    include <sys/loadavg.h>
542 #    if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
543 #     include <sys/pset.h>
544 #     define LA_TYPE	LA_PSET	/* pset_getloadavg(3c) appears in 2.9 */
545 #    else
546 #     define LA_TYPE	LA_SUBR	/* getloadavg(3c) appears in 2.7 */
547 #    endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
548 #   endif /* ! LA_TYPE */
549 #   define HASGETUSERSHELL 1	/* getusershell(3c) bug fixed in 2.7 */
550 #  endif /* SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) */
551 #  if SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208)
552 #   define HASSTRL	1	/* str*(3) added in 2.8 */
553 #   undef _PATH_SENDMAILPID	/* tmpfs /var/run added in 2.8 */
554 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
555 #  endif /* SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) */
556 #  if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
557 #   define HASURANDOMDEV	1	/* /dev/[u]random added in S9 */
558 #  endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
559 #  ifndef HASGETUSERSHELL
560 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps pre-2.7 */
561 #  endif /* ! HASGETUSERSHELL */
562 
563 # else /* SOLARIS */
564 			/* SunOS 4.0.3 or 4.1.x */
565 #  define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
566 #  define HASSETREUID	1	/* has setreuid(2) call */
567 #  ifndef HASFLOCK
568 #   define HASFLOCK	1	/* has flock(2) call */
569 #  endif /* ! HASFLOCK */
570 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
571 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
572 #  include <memory.h>
573 #  include <vfork.h>
574 #  ifdef __GNUC__
575 #   define strtoul	strtol	/* gcc library bogosity */
576 #  endif /* __GNUC__ */
577 #  define memmove(d, s, l)	(bcopy((s), (d), (l)))
578 
579 #  ifdef SUNOS403
580 			/* special tweaking for SunOS 4.0.3 */
581 #   include <malloc.h>
582 #   define BSD4_3	1	/* 4.3 BSD-based */
583 #   define NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
584 #   define WAITUNION	1	/* use "union wait" as wait argument type */
585 #   undef WIFEXITED
586 #   undef WEXITSTATUS
587 #   undef HASUNAME
588 #   define setpgid	setpgrp
589 #   define MODE_T	int
590 typedef int		pid_t;
591 extern char		*getenv();
592 
593 #  else /* SUNOS403 */
594 			/* 4.1.x specifics */
595 #   define HASSETSID	1	/* has Posix setsid(2) call */
596 #   define HASSETVBUF	1	/* we have setvbuf(3) in libc */
597 
598 #  endif /* SUNOS403 */
599 # endif /* SOLARIS */
600 
601 # ifndef LA_TYPE
602 #  define LA_TYPE	LA_INT
603 # endif /* ! LA_TYPE */
604 
605 #endif /* defined(sun) && !defined(BSD) */
606 
607 /*
608 **  DG/UX
609 **
610 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
611 **	older support.
612 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
613 */
614 
615 #ifdef DGUX_5_4_2
616 # define DGUX		1
617 #endif /* DGUX_5_4_2 */
618 
619 #ifdef DGUX
620 # define SYSTEM5	1
621 # define LA_TYPE	LA_DGUX
622 # define HASSETREUID	1	/* has setreuid(2) call */
623 # define HASUNAME	1	/* use System V uname(2) system call */
624 # define HASSETSID	1	/* has Posix setsid(2) call */
625 # define HASINITGROUPS	1	/* has initgroups(3) call */
626 # define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
627 # define HASGETUSERSHELL 0	/* does not have getusershell(3) */
628 # define HASSNPRINTF	1	/* has snprintf(3) */
629 # ifndef IDENTPROTO
630 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
631 # endif /* ! IDENTPROTO */
632 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
633 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
634 
635 /* these include files must be included early on DG/UX */
636 # include <netinet/in.h>
637 # include <arpa/inet.h>
638 
639 /* compiler doesn't understand const? */
640 # define const
641 
642 # ifdef DGUX_5_4_2
643 #  define inet_addr	dgux_inet_addr
644 extern long	dgux_inet_addr();
645 # endif /* DGUX_5_4_2 */
646 #endif /* DGUX */
647 
648 
649 /*
650 **  Digital Ultrix 4.2A or 4.3
651 **
652 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
653 **	not dropped when the process exits.  This causes major problems,
654 **	so flock is the only alternative.
655 */
656 
657 #ifdef ultrix
658 # define HASSETREUID	1	/* has setreuid(2) call */
659 # define HASUNSETENV	1	/* has unsetenv(3) call */
660 # define HASINITGROUPS	1	/* has initgroups(3) call */
661 # define HASUNAME	1	/* use System V uname(2) system call */
662 # define HASFCHMOD	1	/* has fchmod(2) syscall */
663 # define HASFCHOWN	1	/* has fchown(2) syscall */
664 # ifndef HASFLOCK
665 #  define HASFLOCK	1	/* has flock(2) call */
666 # endif /* ! HASFLOCK */
667 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
668 # ifndef BROKEN_RES_SEARCH
669 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
670 # endif /* ! BROKEN_RES_SEARCH */
671 # if !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621
672 #  define NEEDLOCAL_HOSTNAME_LENGTH	1	/* see sendmail/README */
673 # endif /* !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621 */
674 # ifdef vax
675 #  define LA_TYPE	LA_FLOAT
676 # else /* vax */
677 #  define LA_TYPE	LA_INT
678 #  define LA_AVENRUN	"avenrun"
679 # endif /* vax */
680 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
681 # ifndef IDENTPROTO
682 #  define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
683 # endif /* ! IDENTPROTO */
684 # define SYSLOG_BUFSIZE	256
685 #endif /* ultrix */
686 
687 
688 /*
689 **  OSF/1 for KSR.
690 **
691 **	Contributed by Todd C. Miller <Todd.Miller@cs.colorado.edu>
692 */
693 
694 #ifdef __ksr__
695 # define __osf__	1	/* get OSF/1 defines below */
696 # ifndef TZ_TYPE
697 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
698 # endif /* ! TZ_TYPE */
699 #endif /* __ksr__ */
700 
701 
702 /*
703 **  OSF/1 for Intel Paragon.
704 **
705 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
706 **	of Intel Scalable Systems Divison.
707 */
708 
709 #ifdef __PARAGON__
710 # define __osf__	1	/* get OSF/1 defines below */
711 # ifndef TZ_TYPE
712 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
713 # endif /* ! TZ_TYPE */
714 # define GIDSET_T	gid_t
715 # define MAXNAMLEN	NAME_MAX
716 #endif /* __PARAGON__ */
717 
718 
719 /*
720 **  Tru64 UNIX, formerly known as Digital UNIX, formerly known as DEC OSF/1
721 **
722 **	Tested for 3.2 and 4.0.
723 */
724 
725 #ifdef __osf__
726 # define HASUNAME	1	/* has uname(2) call */
727 # define HASUNSETENV	1	/* has unsetenv(3) call */
728 # define USESETEUID	1	/* has usable seteuid(2) call */
729 # define HASINITGROUPS	1	/* has initgroups(3) call */
730 # define HASFCHMOD	1	/* has fchmod(2) syscall */
731 # define HASFCHOWN	1	/* has fchown(2) syscall */
732 # define HASSETLOGIN	1	/* has setlogin(2) */
733 # define IP_SRCROUTE	1	/* can check IP source routing */
734 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
735 # define GIDSET_T	gid_t
736 # if _FFR_MILTER
737 #  define SM_INT32	int	/* 32bit integer */
738 # endif /* _FFR_MILTER */
739 # ifndef HASFLOCK
740 #  define HASFLOCK	1	/* has flock(2) call */
741 # endif /* ! HASFLOCK */
742 # define LA_TYPE	LA_ALPHAOSF
743 # define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statfs() impl */
744 # ifndef _PATH_VENDOR_CF
745 #  define _PATH_VENDOR_CF	"/var/adm/sendmail/sendmail.cf"
746 # endif /* ! _PATH_VENDOR_CF */
747 # ifndef _PATH_SENDMAILPID
748 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
749 # endif /* ! _PATH_SENDMAILPID */
750 #endif /* __osf__ */
751 
752 
753 /*
754 **  NeXTstep
755 */
756 
757 #ifdef NeXT
758 # define HASINITGROUPS	1	/* has initgroups(3) call */
759 # define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
760 # ifndef HASFLOCK
761 #  define HASFLOCK	1	/* has flock(2) call */
762 # endif /* ! HASFLOCK */
763 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
764 # define WAITUNION	1	/* use "union wait" as wait argument type */
765 # define UID_T		int	/* compiler gripes on uid_t */
766 # define GID_T		int	/* ditto for gid_t */
767 # define MODE_T		int	/* and mode_t */
768 # define setpgid	setpgrp
769 # ifndef NOT_SENDMAIL
770 #  define sleep		sleepX
771 # endif /* ! NOT_SENDMAIL */
772 # ifndef LA_TYPE
773 #  define LA_TYPE	LA_MACH
774 # endif /* ! LA_TYPE */
775 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
776 # ifndef _POSIX_SOURCE
777 typedef int		pid_t;
778 #  undef WEXITSTATUS
779 #  undef WIFEXITED
780 #  undef WIFSTOPPED
781 #  undef WTERMSIG
782 # endif /* ! _POSIX_SOURCE */
783 # ifndef _PATH_VENDOR_CF
784 #  define _PATH_VENDOR_CF	"/etc/sendmail/sendmail.cf"
785 # endif /* ! _PATH_VENDOR_CF */
786 # ifndef _PATH_SENDMAILPID
787 #  define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
788 # endif /* ! _PATH_SENDMAILPID */
789 
790 # ifdef TCPWRAPPERS
791 #  ifndef HASUNSETENV
792 #   define HASUNSETENV	1
793 #  endif /* ! HASUNSETENV */
794 #  undef NEEDPUTENV
795 # endif /* TCPWRAPPERS */
796 
797 #endif /* NeXT */
798 
799 /*
800 **  Apple Rhapsody
801 **	Contributed by Wilfredo Sanchez <wsanchez@apple.com>
802 **
803 **	Also used for Apple Darwin support.
804 */
805 
806 #if defined(DARWIN)
807 # define HASFCHMOD	1	/* has fchmod(2) syscall */
808 # define HASFLOCK	1	/* has flock(2) syscall */
809 # define HASUNAME	1	/* has uname(2) syscall */
810 # define HASUNSETENV	1
811 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
812 # define HASINITGROUPS	1
813 # define HASSETVBUF	1
814 # define HASSETREUID	1
815 # define USESETEUID	1	/* has usable seteuid(2) call */
816 # define HASLSTAT	1
817 # define HASSETRLIMIT	1
818 # define HASWAITPID	1
819 # define HASSTRERROR	1	/* has strerror(3) */
820 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
821 # define HASSTRERROR	1	/* has strerror(3) */
822 # define HASGETDTABLESIZE	1
823 # define HASGETUSERSHELL	1
824 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
825 # define BSD4_4_SOCKADDR	/* has sa_len */
826 # define NETLINK	1	/* supports AF_LINK */
827 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
828 # define GIDSET_T	gid_t
829 # define LA_TYPE	LA_SUBR		/* use getloadavg(3) */
830 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
831 # define SPT_TYPE	SPT_PSSTRINGS
832 # define SPT_PADCHAR	'\0'	/* pad process title with nulls */
833 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
834 #endif /* DARWIN */
835 
836 
837 /*
838 **  4.4 BSD
839 **
840 **	See also BSD defines.
841 */
842 
843 #if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__)
844 # include <paths.h>
845 # define HASUNSETENV	1	/* has unsetenv(3) call */
846 # define USESETEUID	1	/* has usable seteuid(2) call */
847 # define HASFCHMOD	1	/* has fchmod(2) syscall */
848 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
849 # define HASSTRERROR	1	/* has strerror(3) */
850 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
851 # include <sys/cdefs.h>
852 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
853 # define BSD4_4_SOCKADDR	/* has sa_len */
854 # define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
855 # define NETLINK	1	/* supports AF_LINK */
856 # ifndef LA_TYPE
857 #  define LA_TYPE	LA_SUBR
858 # endif /* ! LA_TYPE */
859 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
860 # define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
861 #endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) */
862 
863 
864 /*
865 **  BSD/OS (was BSD/386) (all versions)
866 **	From Tony Sanders, BSDI
867 */
868 
869 #ifdef __bsdi__
870 # include <paths.h>
871 # define HASUNSETENV	1	/* has the unsetenv(3) call */
872 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
873 # define USESETEUID	1	/* has usable seteuid(2) call */
874 # define HASFCHMOD	1	/* has fchmod(2) syscall */
875 # define HASSETLOGIN	1	/* has setlogin(2) */
876 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
877 # define HASUNAME	1	/* has uname(2) syscall */
878 # define HASSTRERROR	1	/* has strerror(3) */
879 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
880 # include <sys/cdefs.h>
881 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
882 # define BSD4_4_SOCKADDR	/* has sa_len */
883 # define NETLINK	1	/* supports AF_LINK */
884 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
885 # ifndef LA_TYPE
886 #  define LA_TYPE	LA_SUBR
887 # endif /* ! LA_TYPE */
888 # define GIDSET_T	gid_t
889 # define QUAD_T		quad_t
890 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
891 			/* version 1.1 or later */
892 #  undef SPT_TYPE
893 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
894 # else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
895 			/* version 1.0 or earlier */
896 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
897 # endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
898 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701	/* on 3.x */
899 #  define HASSETUSERCONTEXT 1	/* has setusercontext */
900 # endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 */
901 #endif /* __bsdi__ */
902 
903 
904 /*
905 **  QNX 4.2x
906 **	Contributed by Glen McCready <glen@qnx.com>.
907 **
908 **	Should work with all versions of QNX.
909 */
910 
911 #if defined(__QNX__)
912 # include <unix.h>
913 # include <sys/select.h>
914 # undef NGROUPS_MAX
915 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
916 # define USESETEUID	1	/* has usable seteuid(2) call */
917 # define HASFCHMOD	1	/* has fchmod(2) syscall */
918 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
919 # define HASSETREUID	1	/* has setreuid(2) call */
920 # define HASSTRERROR	1	/* has strerror(3) */
921 # define HASFLOCK	0
922 # undef HASINITGROUPS		/* has initgroups(3) call */
923 # define NEEDGETOPT	1	/* use sendmail's getopt */
924 # define IP_SRCROUTE	1	/* can check IP source routing */
925 # define TZ_TYPE	TZ_TMNAME	/* use tmname variable */
926 # define GIDSET_T	gid_t
927 # define LA_TYPE	LA_ZERO
928 # define SFS_TYPE	SFS_NONE
929 # define SPT_TYPE	SPT_REUSEARGV
930 # define SPT_PADCHAR	'\0'	/* pad process title with nulls */
931 # define HASGETUSERSHELL 0
932 # define E_PSEUDOBASE	512
933 # define _FILE_H_INCLUDED
934 #endif /* defined(__QNX__) */
935 
936 
937 /*
938 **  FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
939 **
940 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
941 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
942 **
943 **	See also BSD defines.
944 */
945 
946 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
947 # include <paths.h>
948 # define HASUNSETENV	1	/* has unsetenv(3) call */
949 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
950 # define USESETEUID	1	/* has usable seteuid(2) call */
951 # define HASFCHMOD	1	/* has fchmod(2) syscall */
952 # define HASFCHOWN	1	/* fchown(2) */
953 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
954 # define HASUNAME	1	/* has uname(2) syscall */
955 # define HASSTRERROR	1	/* has strerror(3) */
956 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
957 # define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
958 # include <sys/cdefs.h>
959 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
960 # define BSD4_4_SOCKADDR	/* has sa_len */
961 # define NETLINK	1	/* supports AF_LINK */
962 # define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
963 # define GIDSET_T	gid_t
964 # define QUAD_T		unsigned long long
965 # define SFIO_STDIO_COMPAT	1	/* can use RES_DEBUG */
966 # ifndef LA_TYPE
967 #  define LA_TYPE	LA_SUBR
968 # endif /* ! LA_TYPE */
969 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
970 # if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
971 #  undef SPT_TYPE
972 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
973 # endif /* defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1) */
974 # if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3))
975 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
976 # endif /* defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3)) */
977 # if defined(__FreeBSD__)
978 #  define HASSETLOGIN	1	/* has setlogin(2) */
979 #  if __FreeBSD_version >= 227001
980 #   define HASSRANDOMDEV	1	/* has srandomdev(3) */
981 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
982 #  endif /* __FreeBSD_version >= 227001 */
983 #  undef SPT_TYPE
984 #  if __FreeBSD__ >= 2
985 #   include <osreldate.h>
986 #   if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
987 #    include <libutil.h>
988 #    define SPT_TYPE	SPT_BUILTIN
989 #   endif /* __FreeBSD_version >= 199512 */
990 #   if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
991 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
992 #   endif /* __FreeBSD_version >= 222000 */
993 #   if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
994 #    ifndef HASSTRL
995 #     define HASSTRL		1	/* has strlc{py,at}(3) functions */
996 #    endif /* HASSTRL */
997 #   endif /* __FreeBSD_version >= 330000 */
998 #   define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
999 #   include <sys/sysctl.h>
1000 #  endif /* __FreeBSD__ >= 2 */
1001 #  ifndef SPT_TYPE
1002 #   define SPT_TYPE	SPT_REUSEARGV
1003 #   define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1004 #  endif /* ! SPT_TYPE */
1005 # endif /* defined(__FreeBSD__) */
1006 # if defined(__OpenBSD__)
1007 #  undef SPT_TYPE
1008 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
1009 #  define HASSETLOGIN	1	/* has setlogin(2) */
1010 #  define HASSETREUID	0	/* OpenBSD has broken setreuid(2) emulation */
1011 #  define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1012 #  if OpenBSD < 199912
1013 #   define HASSTRL	0	/* strlcat(3) is broken in 2.5 and earlier */
1014 #  else /* OpenBSD < 199912 */
1015 #   define HASSTRL	1	/* has strlc{py,at}(3) functions */
1016 #   if OpenBSD >= 200006
1017 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1018 #   endif
1019 #   if OpenBSD >= 200012
1020 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1021 #   endif
1022 #  endif /* OpenBSD < 199912 */
1023 # endif /* defined(__OpenBSD__) */
1024 #endif /* defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
1025 
1026 
1027 /*
1028 **  Mach386
1029 **
1030 **	For mt Xinu's Mach386 system.
1031 */
1032 
1033 #if defined(MACH) && defined(i386) && !defined(__GNU__)
1034 # define MACH386	1
1035 # define HASUNSETENV	1	/* has unsetenv(3) call */
1036 # define HASINITGROUPS	1	/* has initgroups(3) call */
1037 # ifndef HASFLOCK
1038 #  define HASFLOCK	1	/* has flock(2) call */
1039 # endif /* ! HASFLOCK */
1040 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1041 # define NEEDSTRTOL	1	/* need the strtol() function */
1042 # define setpgid	setpgrp
1043 # ifndef LA_TYPE
1044 #  define LA_TYPE	LA_FLOAT
1045 # endif /* ! LA_TYPE */
1046 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1047 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
1048 # undef WEXITSTATUS
1049 # undef WIFEXITED
1050 # ifndef _PATH_VENDOR_CF
1051 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1052 # endif /* ! _PATH_VENDOR_CF */
1053 # ifndef _PATH_SENDMAILPID
1054 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1055 # endif /* ! _PATH_SENDMAILPID */
1056 #endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
1057 
1058 
1059 
1060 /*
1061 **  GNU OS (hurd)
1062 **	Largely BSD & posix compatible.
1063 **	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
1064 **	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
1065 */
1066 
1067 #if defined(__GNU__) && !defined(NeXT)
1068 # include <paths.h>
1069 # define HASFCHMOD	1	/* has fchmod(2) call */
1070 # define HASFCHOWN	1	/* has fchown(2) call */
1071 # define HASUNAME	1	/* has uname(2) call */
1072 # define HASUNSETENV	1	/* has unsetenv(3) call */
1073 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
1074 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
1075 # define HASSTRERROR	1	/* has strerror(3) */
1076 # define GIDSET_T	gid_t
1077 # define SOCKADDR_LEN_T	socklen_t
1078 # define SOCKOPT_LEN_T	socklen_t
1079 # if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
1080 #  define LA_TYPE	LA_SUBR
1081 # else
1082 #  define LA_TYPE	LA_MACH
1083    /* GNU uses mach[34], which renames some rpcs from mach2.x. */
1084 #  define host_self	mach_host_self
1085 # endif
1086 # define SFS_TYPE	SFS_STATFS
1087 # define SPT_TYPE	SPT_CHANGEARGV
1088 # define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
1089 # define BSD4_4_SOCKADDR	1	/* has sa_len */
1090 # define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
1091 # define HAS_IN_H	1	/* GNU has netinet/in.h. */
1092 /* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
1093 # define MAXPATHLEN	2048
1094 #endif /* defined(__GNU__) && !defined(NeXT) */
1095 
1096 /*
1097 **  4.3 BSD -- this is for very old systems
1098 **
1099 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
1100 **
1101 **	You'll also have to install a new resolver library.
1102 **	I don't guarantee that support for this environment is complete.
1103 */
1104 
1105 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1106 # define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1107 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1108 # define ARBPTR_T	char *
1109 # define setpgid	setpgrp
1110 # ifndef LA_TYPE
1111 #  define LA_TYPE	LA_FLOAT
1112 # endif /* ! LA_TYPE */
1113 # ifndef _PATH_VENDOR_CF
1114 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1115 # endif /* ! _PATH_VENDOR_CF */
1116 # ifndef IDENTPROTO
1117 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1118 # endif /* ! IDENTPROTO */
1119 # undef WEXITSTATUS
1120 # undef WIFEXITED
1121 typedef short		pid_t;
1122 #endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1123 
1124 
1125 /*
1126 **  SCO Unix
1127 **
1128 **	This includes three parts:
1129 **
1130 **	The first is for SCO OpenServer 5.
1131 **	(Contributed by Keith Reynolds <keithr@sco.COM>).
1132 **
1133 **		SCO OpenServer 5 has a compiler version number macro,
1134 **		which we can use to figure out what version we're on.
1135 **		This may have to change in future releases.
1136 **
1137 **	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1138 **	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1139 **
1140 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1141 */
1142 
1143 /* SCO OpenServer 5 */
1144 #if _SCO_DS >= 1
1145 # include <paths.h>
1146 # define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1147 # define HASSNPRINTF	1	/* has snprintf(3) call */
1148 # define HASFCHMOD	1	/* has fchmod(2) call */
1149 # define HASFCHOWN	1	/* has fchown(2) call */
1150 # define HASSETRLIMIT	1	/* has setrlimit(2) call */
1151 # define USESETEUID	1	/* has seteuid(2) call */
1152 # define HASINITGROUPS	1	/* has initgroups(3) call */
1153 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1154 # define RLIMIT_NEEDS_SYS_TIME_H	1
1155 # ifndef LA_TYPE
1156 #  define LA_TYPE	LA_DEVSHORT
1157 # endif /* ! LA_TYPE */
1158 # define _PATH_AVENRUN	"/dev/table/avenrun"
1159 # ifndef _SCO_unix_4_2
1160 #  define _SCO_unix_4_2
1161 # else /* ! _SCO_unix_4_2 */
1162 #  define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1163 #  define SOCKOPT_LEN_T		size_t	/* arg#5 to getsockopt */
1164 # endif /* ! _SCO_unix_4_2 */
1165 #endif /* _SCO_DS >= 1 */
1166 
1167 /* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1168 #ifdef _SCO_unix_4_2
1169 # define _SCO_unix_
1170 # define HASSETREUID	1	/* has setreuid(2) call */
1171 #endif /* _SCO_unix_4_2 */
1172 
1173 /* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1174 #ifdef _SCO_unix_
1175 # include <sys/stream.h>	/* needed for IP_SRCROUTE */
1176 # define SYSTEM5	1	/* include all the System V defines */
1177 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1178 # define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1179 # define USE_SIGLONGJMP	1	/* sigsetjmp needed for signal handling */
1180 # define MAXPATHLEN	PATHSIZE
1181 # define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1182 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1183 # define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1184 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1185 # define UID_T		uid_t
1186 # define GID_T		gid_t
1187 # define GIDSET_T	gid_t
1188 # define _PATH_UNIX		"/unix"
1189 # ifndef _PATH_VENDOR_CF
1190 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1191 # endif /* ! _PATH_VENDOR_CF */
1192 # ifndef _PATH_SENDMAILPID
1193 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1194 # endif /* ! _PATH_SENDMAILPID */
1195 
1196 /* stuff fixed in later releases */
1197 # ifndef _SCO_unix_4_2
1198 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1199 # endif /* ! _SCO_unix_4_2 */
1200 
1201 # ifndef _SCO_DS
1202 #  define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1203 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1204 #  define NETUNIX	0	/* no unix domain socket support */
1205 #  define LA_TYPE	LA_SHORT
1206 # endif /* ! _SCO_DS */
1207 
1208 #endif /* _SCO_unix_ */
1209 
1210 
1211 /*
1212 **  ISC (SunSoft) Unix.
1213 **
1214 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1215 */
1216 
1217 #ifdef ISC_UNIX
1218 # include <net/errno.h>
1219 # include <sys/stream.h>	/* needed for IP_SRCROUTE */
1220 # include <sys/bsdtypes.h>
1221 # define SYSTEM5	1	/* include all the System V defines */
1222 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1223 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1224 # define HASSETREUID	1	/* has setreuid(2) call */
1225 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1226 # define NETUNIX	0	/* no unix domain socket support */
1227 # define MAXPATHLEN	1024
1228 # define LA_TYPE	LA_SHORT
1229 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1230 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1231 # define _PATH_UNIX		"/unix"
1232 # ifndef _PATH_VENDOR_CF
1233 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1234 # endif /* ! _PATH_VENDOR_CF */
1235 # ifndef _PATH_SENDMAILPID
1236 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1237 # endif /* ! _PATH_SENDMAILPID */
1238 #endif /* ISC_UNIX */
1239 
1240 
1241 /*
1242 **  Altos System V (5.3.1)
1243 **	Contributed by Tim Rice <tim@trr.metro.net>.
1244 */
1245 
1246 #ifdef ALTOS_SYSTEM_V
1247 # include <sys/stream.h>
1248 # include <limits.h>
1249 # define SYSTEM5	1	/* include all the System V defines */
1250 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1251 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1252 # define WAITUNION	1	/* use "union wait" as wait argument type */
1253 # define NEEDFSYNC	1	/* no fsync(2) in system library */
1254 # define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1255 # define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1256 # define MAXPATHLEN	PATH_MAX
1257 # define LA_TYPE	LA_SHORT
1258 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1259 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1260 # define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1261 # define NETUNIX	0	/* no unix domain socket support */
1262 # undef WIFEXITED
1263 # undef WEXITSTATUS
1264 # define strtoul	strtol	/* gcc library bogosity */
1265 
1266 typedef unsigned short	uid_t;
1267 typedef unsigned short	gid_t;
1268 typedef short		pid_t;
1269 typedef unsigned long	mode_t;
1270 
1271 /* some stuff that should have been in the include files */
1272 extern char		*malloc();
1273 extern struct passwd	*getpwent();
1274 extern struct passwd	*getpwnam();
1275 extern struct passwd	*getpwuid();
1276 extern char		*getenv();
1277 extern struct group	*getgrgid();
1278 extern struct group	*getgrnam();
1279 
1280 #endif /* ALTOS_SYSTEM_V */
1281 
1282 
1283 /*
1284 **  ConvexOS 11.0 and later
1285 **
1286 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1287 **	works on 9.1 as well.
1288 **
1289 **  ConvexOS 11.5 and later, should work on 11.0 as defined.
1290 **  For pre-ConvexOOS 11.0, define NEEDGETOPT, undef IDENTPROTO
1291 **
1292 **	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1293 **		(now the CONVEX Technologies Center of Hewlett Packard)
1294 */
1295 
1296 #ifdef _CONVEX_SOURCE
1297 # define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1298 # define HASINITGROUPS	1	/* has initgroups(3) */
1299 # define HASUNAME	1	/* use System V uname(2) system call */
1300 # define HASSETSID	1	/* has POSIX setsid(2) call */
1301 # define HASUNSETENV	1	/* has unsetenv(3) */
1302 # define HASFLOCK	1	/* has flock(2) */
1303 # define HASSETRLIMIT	1	/* has setrlimit(2) */
1304 # define HASSETREUID	1	/* has setreuid(2) */
1305 # define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1306 # define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1307 # define NEEDGETOPT	0	/* need replacement for getopt(3) */
1308 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1309 # define LA_TYPE	LA_FLOAT
1310 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1311 # ifndef _PATH_VENDOR_CF
1312 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1313 # endif /* ! _PATH_VENDOR_CF */
1314 # ifndef S_IREAD
1315 #  define S_IREAD	_S_IREAD
1316 #  define S_IWRITE	_S_IWRITE
1317 #  define S_IEXEC	_S_IEXEC
1318 #  define S_IFMT	_S_IFMT
1319 #  define S_IFCHR	_S_IFCHR
1320 #  define S_IFBLK	_S_IFBLK
1321 # endif /* ! S_IREAD */
1322 # ifndef TZ_TYPE
1323 #  define TZ_TYPE	TZ_TIMEZONE
1324 # endif /* ! TZ_TYPE */
1325 # ifndef IDENTPROTO
1326 #  define IDENTPROTO	1
1327 # endif /* ! IDENTPROTO */
1328 # ifndef SHARE_V1
1329 #  define SHARE_V1	1	/* version 1 of the fair share scheduler */
1330 # endif /* ! SHARE_V1 */
1331 # if !defined(__GNUC__ )
1332 #  define UID_T	int		/* GNUC gets it right, ConvexC botches */
1333 #  define GID_T	int		/* GNUC gets it right, ConvexC botches */
1334 # endif /* !defined(__GNUC__ ) */
1335 # if SECUREWARE
1336 #  define FORK	fork		/* SecureWare wants the real fork! */
1337 # else /* SECUREWARE */
1338 #  define FORK	vfork		/* the rest of the OS versions don't care */
1339 # endif /* SECUREWARE */
1340 #endif /* _CONVEX_SOURCE */
1341 
1342 
1343 /*
1344 **  RISC/os 4.52
1345 **
1346 **	Gives a ton of warning messages, but otherwise compiles.
1347 */
1348 
1349 #ifdef RISCOS
1350 
1351 # define HASUNSETENV	1	/* has unsetenv(3) call */
1352 # ifndef HASFLOCK
1353 #  define HASFLOCK	1	/* has flock(2) call */
1354 # endif /* ! HASFLOCK */
1355 # define WAITUNION	1	/* use "union wait" as wait argument type */
1356 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1357 # define NEEDPUTENV	1	/* need putenv(3) call */
1358 # define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1359 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1360 # define LA_TYPE	LA_INT
1361 # define LA_AVENRUN	"avenrun"
1362 # define _PATH_UNIX	"/unix"
1363 # undef WIFEXITED
1364 
1365 # define setpgid	setpgrp
1366 
1367 typedef int		pid_t;
1368 # define SIGFUNC_DEFINED
1369 # define SIGFUNC_RETURN	(0)
1370 # define SIGFUNC_DECL	int
1371 typedef int		(*sigfunc_t)();
1372 extern char		*getenv();
1373 extern void		*malloc();
1374 
1375 /* added for RISC/os 4.01...which is dumber than 4.50 */
1376 # ifdef RISCOS_4_0
1377 #  ifndef ARBPTR_T
1378 #   define ARBPTR_T	char *
1379 #  endif /* ! ARBPTR_T */
1380 #  undef HASFLOCK
1381 #  define HASFLOCK	0
1382 # endif /* RISCOS_4_0 */
1383 
1384 # include <sys/time.h>
1385 
1386 #endif /* RISCOS */
1387 
1388 
1389 /*
1390 **  Linux 0.99pl10 and above...
1391 **
1392 **  Thanks to, in reverse order of contact:
1393 **
1394 **	John Kennedy <warlock@csuchico.edu>
1395 **	Andrew Pam <avatar@aus.xanadu.com>
1396 **	Florian La Roche <rzsfl@rz.uni-sb.de>
1397 **	Karl London <karl@borg.demon.co.uk>
1398 **
1399 **  Last compiled against:	[07/21/98 @ 11:47:34 AM (Tuesday)]
1400 **	sendmail 8.9.1		bind-8.1.2		db-2.4.14
1401 **	gcc-2.8.1		glibc-2.0.94		linux-2.1.109
1402 **
1403 **  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1404 **	file locking is no longer allowed.  In particular, make sure
1405 **	your DBM library and sendmail are both using either flock(2)
1406 **	*or* fcntl(2) file locking, but not both.
1407 */
1408 
1409 #ifdef __linux__
1410 # include <linux/version.h>
1411 # if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1412 #  define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1413 # endif /* KERNEL_VERSION */
1414 # define BSD		1	/* include BSD defines */
1415 # define USESETEUID	0	/* Have it due to POSIX, but doesn't work */
1416 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1417 # define HASUNAME	1	/* use System V uname(2) system call */
1418 # define HASUNSETENV	1	/* has unsetenv(3) call */
1419 # ifndef HASSNPRINTF
1420 #  define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
1421 # endif /* ! HASSNPRINTF */
1422 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1423 # define GIDSET_T	gid_t	/* from <linux/types.h> */
1424 # define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1425 # ifndef IP_SRCROUTE
1426 #  define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1427 # endif /* ! IP_SRCROUTE */
1428 # ifndef HAS_IN_H
1429 #  define HAS_IN_H	1	/* use netinet/in.h */
1430 # endif /* ! HAS_IN_H */
1431 # define USE_SIGLONGJMP	1	/* sigsetjmp needed for signal handling */
1432 # ifndef HASFLOCK
1433 #  if LINUX_VERSION_CODE < 66399
1434 #   define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1435 #  else /* LINUX_VERSION_CODE < 66399 */
1436 #   define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1437 #  endif /* LINUX_VERSION_CODE < 66399 */
1438 # endif /* ! HASFLOCK */
1439 # ifndef LA_TYPE
1440 #  define LA_TYPE	LA_PROCSTR
1441 # endif /* ! LA_TYPE */
1442 # define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1443 # define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1444 # if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1445 #  ifndef HASURANDOMDEV
1446 #   define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1447 #  endif /* ! HASURANDOMDEV */
1448 # endif /* LINUX_VERSION_CODE */
1449 # ifndef TZ_TYPE
1450 #  define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1451 # endif /* ! TZ_TYPE */
1452 # ifndef _PATH_SENDMAILPID
1453 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1454 # endif /* ! _PATH_SENDMAILPID */
1455 # include <sys/sysmacros.h>
1456 # undef atol			/* wounded in <stdlib.h> */
1457 # if NETINET6
1458    /*
1459    **  Linux doesn't have a good way to tell userland what interfaces are
1460    **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1461    **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1462    **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1463    */
1464 #  define ADDRCONFIG_IS_BROKEN	1
1465 
1466    /*
1467    **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1468    **  in 2.1 and later, but the APIs appear before the functions.
1469    */
1470 #  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1471 #   define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__)
1472 #   if (GLIBC_VERSION >= 0x201)
1473 #    undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1474 #   else /* (GLIBC_VERSION >= 0x201) */
1475 #    include <linux/in6.h>	/* IPv6 support */
1476 #   endif /* (GLIBC_VERSION >= 0x201) */
1477 #   if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE))
1478      /* Have APIs in <netdb.h>, but no support in glibc */
1479 #    define NEEDSGETIPNODE	1
1480 #   endif /* (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE)) */
1481 #   undef GLIBC_VERSION
1482 #  endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1483 # endif /* NETINET6 */
1484 # ifndef HASFCHOWN
1485 #  define HASFCHOWN	1	/* fchown(2) */
1486 # endif /* ! HASFCHOWN */
1487 #endif /* __linux__ */
1488 
1489 
1490 /*
1491 **  DELL SVR4 Issue 2.2, and others
1492 **	From Kimmo Suominen <kim@grendel.lut.fi>
1493 **
1494 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1495 **	defined, and the definitions conflict.
1496 **
1497 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1498 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1499 **	(SVR4.0/386 version 3.0).
1500 */
1501 
1502 #ifdef DELL_SVR4
1503 				/* no changes necessary */
1504 				/* see general __svr4__ defines below */
1505 #endif /* DELL_SVR4 */
1506 
1507 
1508 /*
1509 **  Apple A/UX 3.0
1510 */
1511 
1512 #ifdef _AUX_SOURCE
1513 # include <sys/sysmacros.h>
1514 # define BSD			/* has BSD routines */
1515 # define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1516 # define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1517 # define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1518 # define HASUNAME	1	/* use System V uname(2) system call */
1519 # define HASFCHMOD	1	/* has fchmod(2) syscall */
1520 # define HASINITGROUPS	1	/* has initgroups(3) call */
1521 # define HASSETVBUF	1	/* has setvbuf(3) in libc */
1522 # define HASSTRERROR	1	/* has strerror(3) */
1523 # define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1524 # define SIGFUNC_RETURN		/* POSIX-mode */
1525 # define SIGFUNC_DECL	void	/* POSIX-mode */
1526 # define ERRLIST_PREDEFINED	1
1527 # ifndef IDENTPROTO
1528 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1529 # endif /* ! IDENTPROTO */
1530 # ifndef LA_TYPE
1531 #  define LA_TYPE	LA_INT
1532 #  define FSHIFT	16
1533 # endif /* ! LA_TYPE */
1534 # define LA_AVENRUN	"avenrun"
1535 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1536 # define TZ_TYPE	TZ_TZNAME
1537 # ifndef _PATH_UNIX
1538 #  define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1539 # endif /* ! _PATH_UNIX */
1540 # ifndef _PATH_VENDOR_CF
1541 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1542 # endif /* ! _PATH_VENDOR_CF */
1543 # undef WIFEXITED
1544 # undef WEXITSTATUS
1545 #endif /* _AUX_SOURCE */
1546 
1547 
1548 /*
1549 **  Encore UMAX V
1550 **
1551 **	Not extensively tested.
1552 */
1553 
1554 #ifdef UMAXV
1555 # define HASUNAME	1	/* use System V uname(2) system call */
1556 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1557 # define HASINITGROUPS	1	/* has initgroups(3) call */
1558 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1559 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1560 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1561 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1562 # define MAXPATHLEN	PATH_MAX
1563 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1564 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1565 # undef WIFEXITED
1566 # undef WEXITSTATUS
1567 #endif /* UMAXV */
1568 
1569 
1570 /*
1571 **  Stardent Titan 3000 running TitanOS 4.2.
1572 **
1573 **	Must be compiled in "cc -43" mode.
1574 **
1575 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1576 **
1577 **	Note the tweaking below after the BSD defines are set.
1578 */
1579 
1580 #ifdef titan
1581 # define setpgid	setpgrp
1582 typedef int		pid_t;
1583 # undef WIFEXITED
1584 # undef WEXITSTATUS
1585 #endif /* titan */
1586 
1587 
1588 /*
1589 **  Sequent DYNIX 3.2.0
1590 **
1591 **	From Jim Davis <jdavis@cs.arizona.edu>.
1592 */
1593 
1594 #ifdef sequent
1595 
1596 # define BSD		1
1597 # define HASUNSETENV	1
1598 # define BSD4_3		1	/* to get signal() in conf.c */
1599 # define WAITUNION	1
1600 # define LA_TYPE	LA_FLOAT
1601 # ifdef _POSIX_VERSION
1602 #  undef _POSIX_VERSION		/* set in <unistd.h> */
1603 # endif /* _POSIX_VERSION */
1604 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
1605 # define setpgid	setpgrp
1606 
1607 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1608 # undef	WIFEXITED
1609 # define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1610 			 ((union wait*)&(s))->w_termsig == 0)
1611 # define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1612 typedef int		pid_t;
1613 # define isgraph(c)	(isprint(c) && (c != ' '))
1614 
1615 # ifndef IDENTPROTO
1616 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1617 # endif /* ! IDENTPROTO */
1618 
1619 # ifndef _PATH_UNIX
1620 #  define _PATH_UNIX		"/dynix"
1621 # endif /* ! _PATH_UNIX */
1622 # ifndef _PATH_VENDOR_CF
1623 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1624 # endif /* ! _PATH_VENDOR_CF */
1625 #endif /* sequent */
1626 
1627 
1628 /*
1629 **  Sequent DYNIX/ptx v2.0 (and higher)
1630 **
1631 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
1632 **
1633 **	From Tim Wright <timw@sequent.com>.
1634 **	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1635 **		for DYNIX/ptx 4.0.2.
1636 */
1637 
1638 #ifdef _SEQUENT_
1639 # include <sys/stream.h>
1640 # define SYSTEM5	1	/* include all the System V defines */
1641 # define HASSETSID	1	/* has POSIX setsid(2) call */
1642 # define HASINITGROUPS	1	/* has initgroups(3) call */
1643 # define HASSETREUID	1	/* has setreuid(2) call */
1644 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1645 # define GIDSET_T	gid_t
1646 # define LA_TYPE	LA_INT
1647 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1648 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1649 # ifndef IDENTPROTO
1650 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1651 # endif /* ! IDENTPROTO */
1652 # ifndef _PATH_VENDOR_CF
1653 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1654 # endif /* ! _PATH_VENDOR_CF */
1655 # ifndef _PATH_SENDMAILPID
1656 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1657 # endif /* ! _PATH_SENDMAILPID */
1658 #endif /* _SEQUENT_ */
1659 
1660 
1661 /*
1662 **  Cray Unicos
1663 **
1664 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
1665 */
1666 
1667 #ifdef UNICOS
1668 # define SYSTEM5	1	/* include all the System V defines */
1669 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1670 # define MAXPATHLEN	PATHSIZE
1671 # define LA_TYPE	LA_ZERO
1672 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1673 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1674 #endif /* UNICOS */
1675 
1676 
1677 /*
1678 **  Apollo DomainOS
1679 **
1680 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1681 **
1682 **  15 Jan 1994; updated 2 Aug 1995
1683 **
1684 */
1685 
1686 #ifdef apollo
1687 # define HASSETREUID	1	/* has setreuid(2) call */
1688 # define HASINITGROUPS	1	/* has initgroups(2) call */
1689 # define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1690 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1691 # define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1692 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1693 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1694 # define TZ_TYPE	TZ_TZNAME
1695 # ifndef _PATH_VENDOR_CF
1696 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1697 # endif /* ! _PATH_VENDOR_CF */
1698 # ifndef _PATH_SENDMAILPID
1699 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1700 # endif /* ! _PATH_SENDMAILPID */
1701 # undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1702 # undef	 S_IFIFO
1703 # define S_IFIFO	0010000
1704 # ifndef IDENTPROTO
1705 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1706 # endif /* ! IDENTPROTO */
1707 # define RLIMIT_NEEDS_SYS_TIME_H	1
1708 # if defined(NGROUPS_MAX) && !NGROUPS_MAX
1709 #  undef NGROUPS_MAX
1710 # endif /* defined(NGROUPS_MAX) && !NGROUPS_MAX */
1711 #endif /* apollo */
1712 
1713 /*
1714 **  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1715 **
1716 **	Contributed by Paul Gampe <paulg@apnic.net>
1717 */
1718 
1719 #ifdef __svr5__
1720 # include <sys/mkdev.h>
1721 # define __svr4__
1722 # define SYS5SIGNALS		1
1723 # define HASSETSID		1
1724 # define HASSNPRINTF		1
1725 # define HASSETREUID		1
1726 # define HASWAITPID		1
1727 # define HASGETDTABLESIZE	1
1728 # define GIDSET_T		gid_t
1729 # define SOCKADDR_LEN_T		size_t
1730 # define SOCKOPT_LEN_T		size_t
1731 # ifndef _PATH_UNIX
1732 #  define _PATH_UNIX		"/stand/unix"
1733 # endif /* ! _PATH_UNIX */
1734 # define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1735 # ifndef SYSLOG_BUFSIZE
1736 #  define SYSLOG_BUFSIZE	1024	/* unsure */
1737 # endif /* SYSLOG_BUFSIZE */
1738 # ifndef _PATH_VENDOR_CF
1739 #  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1740 # endif /* ! _PATH_VENDOR_CF */
1741 # ifndef _PATH_SENDMAILPID
1742 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1743 # endif /* ! _PATH_SENDMAILPID */
1744 # undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1745 #if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT)
1746 # define SM_SET_H_ERRNO(err)	set_h_errno((err))
1747 #endif /* ! SM_SET_H_ERRNO && _REENTRANT */
1748 #endif /* __svr5__ */
1749 
1750 /* ###################################################################### */
1751 
1752 /*
1753 **  UnixWare 2.x
1754 */
1755 
1756 #ifdef UNIXWARE2
1757 # define UNIXWARE	1
1758 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
1759 # undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1760 #endif /* UNIXWARE2 */
1761 
1762 
1763 /*
1764 **  UnixWare 1.1.2.
1765 **
1766 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1767 **	From Evan Champion <evanc@spatial.synapse.org>.
1768 */
1769 
1770 #ifdef UNIXWARE
1771 # include <sys/mkdev.h>
1772 # define SYSTEM5		1
1773 # define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1774 # define HASSETREUID		1
1775 # define HASSETSID		1
1776 # define HASINITGROUPS		1
1777 # define GIDSET_T		gid_t
1778 # define SLEEP_T		unsigned
1779 # define SFS_TYPE		SFS_STATVFS
1780 # define LA_TYPE		LA_ZERO
1781 # undef WIFEXITED
1782 # undef WEXITSTATUS
1783 # ifndef _PATH_UNIX
1784 #  define _PATH_UNIX		"/unix"
1785 # endif /* ! _PATH_UNIX */
1786 # ifndef _PATH_VENDOR_CF
1787 #  define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1788 # endif /* ! _PATH_VENDOR_CF */
1789 # ifndef _PATH_SENDMAILPID
1790 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1791 # endif /* ! _PATH_SENDMAILPID */
1792 # define SYSLOG_BUFSIZE	128
1793 #endif /* UNIXWARE */
1794 
1795 
1796 /*
1797 **  Intergraph CLIX 3.1
1798 **
1799 **	From Paul Southworth <pauls@locust.cic.net>
1800 */
1801 
1802 #ifdef CLIX
1803 # define SYSTEM5	1	/* looks like System V */
1804 # ifndef HASGETUSERSHELL
1805 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1806 # endif /* ! HASGETUSERSHELL */
1807 # define DEV_BSIZE	512	/* device block size not defined */
1808 # define GIDSET_T	gid_t
1809 # undef LOG			/* syslog not available */
1810 # define NEEDFSYNC	1	/* no fsync in system library */
1811 # define GETSHORT	_getshort
1812 #endif /* CLIX */
1813 
1814 
1815 /*
1816 **  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
1817 **
1818 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1819 */
1820 
1821 #ifdef NCR_MP_RAS2
1822 # include <sys/sockio.h>
1823 # define __svr4__
1824 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1825 # define SYSLOG_BUFSIZE	1024
1826 # define SPT_TYPE  SPT_NONE
1827 #endif /* NCR_MP_RAS2 */
1828 
1829 
1830 /*
1831 **  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
1832 **
1833 **	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
1834 */
1835 
1836 #ifdef NCR_MP_RAS3
1837 # define __svr4__
1838 # define HASFCHOWN	1	/* has fchown(2) call */
1839 # define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
1840 # define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
1841 # define SYSLOG_BUFSIZE	1024
1842 # define SPT_TYPE	SPT_NONE
1843 # ifndef _XOPEN_SOURCE
1844 #  define _XOPEN_SOURCE
1845 #  define _XOPEN_SOURCE_EXTENDED 1
1846 #  include <sys/resource.h>
1847 #  undef _XOPEN_SOURCE
1848 #  undef _XOPEN_SOURCE_EXTENDED
1849 # endif /* ! _XOPEN_SOURCE */
1850 #endif /* NCR_MP_RAS3 */
1851 
1852 
1853 /*
1854 **  Tandem NonStop-UX SVR4
1855 **
1856 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1857 */
1858 
1859 #ifdef NonStop_UX_BXX
1860 # define __svr4__
1861 #endif /* NonStop_UX_BXX */
1862 
1863 
1864 /*
1865 **  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
1866 **
1867 **	Tested for 1.04, 1.03
1868 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1869 **
1870 **	Tested for 4.02, 6.10 and 7.10
1871 **	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
1872 */
1873 
1874 #if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
1875 # define SYSTEM5	1	/* include all the System V defines */
1876 # define HASINITGROUPS	1	/* has initgroups(3) call */
1877 # define HASFCHMOD	1	/* has fchmod(2) syscall */
1878 # define setreuid(r, e)	setresuid(r, e, -1)
1879 # define LA_TYPE	LA_FLOAT
1880 # define SPT_TYPE	SPT_PSTAT
1881 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1882 # ifndef HASSETVBUF
1883 #  define HASSETVBUF	/* HI-UX has no setlinebuf */
1884 # endif /* ! HASSETVBUF */
1885 # ifndef GIDSET_T
1886 #  define GIDSET_T	gid_t
1887 # endif /* ! GIDSET_T */
1888 # ifndef _PATH_UNIX
1889 #  define _PATH_UNIX		"/HI-UX"
1890 # endif /* ! _PATH_UNIX */
1891 # ifndef _PATH_VENDOR_CF
1892 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1893 # endif /* ! _PATH_VENDOR_CF */
1894 # ifndef IDENTPROTO
1895 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1896 # endif /* ! IDENTPROTO */
1897 # ifndef HASGETUSERSHELL
1898 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1899 # endif /* ! HASGETUSERSHELL */
1900 # define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
1901 
1902 /*
1903 **  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
1904 **  on HIUX 3050
1905 */
1906 # undef m_flags
1907 
1908 # ifdef __STDC__
1909 extern int	syslog(int, char *, ...);
1910 # else /* __STDC__ */
1911 extern int	syslog();
1912 # endif /* __STDC__ */
1913 
1914 #endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
1915 
1916 
1917 /*
1918 **  Amdahl UTS System V 2.1.5 (SVr3-based)
1919 **
1920 **    From: Janet Jackson <janet@dialix.oz.au>.
1921 */
1922 
1923 #ifdef _UTS
1924 # include <sys/sysmacros.h>
1925 # undef HASLSTAT		/* has symlinks, but they cause problems */
1926 # define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
1927 # define SYS5SIGNALS	1	/* System V signal semantics */
1928 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1929 # define HASUNAME	1	/* use System V uname(2) system call */
1930 # define HASINITGROUPS	1	/* has initgroups(3) function */
1931 # define HASSETVBUF	1	/* has setvbuf(3) function */
1932 # ifndef HASGETUSERSHELL
1933 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
1934 # endif /* ! HASGETUSERSHELL */
1935 # define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
1936 # define LA_TYPE	LA_ZERO		/* doesn't have load average */
1937 # define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
1938 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1939 # define _PATH_UNIX		"/unix"
1940 # ifndef _PATH_VENDOR_CF
1941 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1942 # endif /* ! _PATH_VENDOR_CF */
1943 #endif /* _UTS */
1944 
1945 /*
1946 **  Cray Computer Corporation's CSOS
1947 **
1948 **	From Scott Bolte <scott@craycos.com>.
1949 */
1950 
1951 #ifdef _CRAYCOM
1952 # define SYSTEM5	1	/* include all the System V defines */
1953 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1954 # define NEEDFSYNC	1	/* no fsync in system library */
1955 # define MAXPATHLEN	PATHSIZE
1956 # define LA_TYPE	LA_ZERO
1957 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1958 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1959 # define _POSIX_CHOWN_RESTRICTED	-1
1960 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1961 #endif /* _CRAYCOM */
1962 
1963 
1964 /*
1965 **  Sony NEWS-OS 4.2.1R and 6.0.3
1966 **
1967 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1968 */
1969 
1970 #ifdef sony_news
1971 # ifndef __svr4
1972 			/* NEWS-OS 4.2.1R */
1973 #  ifndef BSD
1974 #   define BSD			/* has BSD routines */
1975 #  endif /* ! BSD */
1976 #  define HASUNSETENV	1	/* has unsetenv(2) call */
1977 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1978 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1979 #  define LA_TYPE	LA_INT
1980 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1981 #  ifndef HASFLOCK
1982 #   define HASFLOCK	1	/* has flock(2) call */
1983 #  endif /* ! HASFLOCK */
1984 #  define setpgid	setpgrp
1985 #  undef WIFEXITED
1986 #  undef WEXITSTATUS
1987 #  define MODE_T	int	/* system include files have no mode_t */
1988 typedef int		pid_t;
1989 typedef int		(*sigfunc_t)();
1990 #  define SIGFUNC_DEFINED
1991 #  define SIGFUNC_RETURN	(0)
1992 #  define SIGFUNC_DECL		int
1993 
1994 # else /* ! __svr4 */
1995 			/* NEWS-OS 6.0.3 with /bin/cc */
1996 #  ifndef __svr4__
1997 #   define __svr4__		/* use all System V Release 4 defines below */
1998 #  endif /* ! __svr4__ */
1999 #  define HASSETSID	1	/* has Posix setsid(2) call */
2000 #  define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
2001 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2002 #  ifndef SPT_TYPE
2003 #   define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
2004 #  endif /* ! SPT_TYPE */
2005 #  define GIDSET_T	gid_t
2006 #  undef WIFEXITED
2007 #  undef WEXITSTATUS
2008 #  ifndef SYSLOG_BUFSIZE
2009 #   define SYSLOG_BUFSIZE	256
2010 #  endif /* ! SYSLOG_BUFSIZE */
2011 #  define _PATH_UNIX		"/stand/unix"
2012 #  ifndef _PATH_VENDOR_CF
2013 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2014 #  endif /* ! _PATH_VENDOR_CF */
2015 #  ifndef _PATH_SENDMAILPID
2016 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2017 #  endif /* ! _PATH_SENDMAILPID */
2018 
2019 # endif /* ! __svr4 */
2020 #endif /* sony_news */
2021 
2022 
2023 /*
2024 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
2025 **
2026 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2027 */
2028 
2029 #ifdef luna
2030 # ifndef IDENTPROTO
2031 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
2032 # endif /* ! IDENTPROTO */
2033 # define HASUNSETENV	1	/* has unsetenv(2) call */
2034 # define NEEDPUTENV	1	/* need putenv(3) call */
2035 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
2036 # define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2037 # define WAITUNION	1	/* use "union wait" as wait argument type */
2038 # ifdef uniosb
2039 #  include <sys/time.h>
2040 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2041 #  define LA_TYPE	LA_INT
2042 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2043 # endif /* uniosb */
2044 # ifdef luna2
2045 #  define LA_TYPE	LA_SUBR
2046 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2047 # endif /* luna2 */
2048 # ifdef luna88k
2049 #  define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
2050 #  define LA_TYPE	LA_INT
2051 # endif /* luna88k */
2052 # define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2053 # define setpgid	setpgrp
2054 # undef WIFEXITED
2055 # undef WEXITSTATUS
2056 typedef int		pid_t;
2057 typedef int		(*sigfunc_t)();
2058 # define SIGFUNC_DEFINED
2059 # define SIGFUNC_RETURN	(0)
2060 # define SIGFUNC_DECL	int
2061 extern char	*getenv();
2062 # ifndef _PATH_VENDOR_CF
2063 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2064 # endif /* ! _PATH_VENDOR_CF */
2065 #endif /* luna */
2066 
2067 
2068 /*
2069 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2070 **
2071 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2072 */
2073 
2074 #if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2075 # ifndef __svr4__
2076 #  define __svr4__		/* use all System V Release 4 defines below */
2077 # endif /* ! __svr4__ */
2078 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2079 # define HASSETSID	1	/* has Posix setsid(2) call */
2080 # define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2081 # define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2082 # define GIDSET_T	gid_t
2083 # undef WIFEXITED
2084 # undef WEXITSTATUS
2085 # define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2086 # ifndef _PATH_VENDOR_CF
2087 #  define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2088 # endif /* ! _PATH_VENDOR_CF */
2089 # ifndef _PATH_SENDMAILPID
2090 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2091 # endif /* ! _PATH_SENDMAILPID */
2092 # ifndef SYSLOG_BUFSIZE
2093 #  define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2094 # endif /* ! SYSLOG_BUFSIZE */
2095 #endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2096 
2097 
2098 /*
2099 **  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2100 **
2101 **	From Diego R. Lopez <drlopez@cica.es>.
2102 **	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2103 **		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2104 */
2105 
2106 #ifdef __uxp__
2107 # include <arpa/nameser.h>
2108 # include <sys/sysmacros.h>
2109 # include <sys/mkdev.h>
2110 # define __svr4__
2111 # define HASGETUSERSHELL	0
2112 # define HASFLOCK		0
2113 # if UXPDS == 10
2114 #  define HASSNPRINTF		0	/* no snprintf(3) or vsnprintf(3) */
2115 # else /* UXPDS == 10 */
2116 #  define HASSNPRINTF		1	/* has snprintf(3) and vsnprintf(3) */
2117 # endif /* UXPDS == 10 */
2118 # define _PATH_UNIX		"/stand/unix"
2119 # ifndef _PATH_VENDOR_CF
2120 #  define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2121 # endif /* ! _PATH_VENDOR_CF */
2122 # ifndef _PATH_SENDMAILPID
2123 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2124 # endif /* ! _PATH_SENDMAILPID */
2125 #endif /* __uxp__ */
2126 
2127 /*
2128 **  Pyramid DC/OSx
2129 **
2130 **	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2131 */
2132 
2133 #ifdef DCOSx
2134 # define GIDSET_T	gid_t
2135 # ifndef IDENTPROTO
2136 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
2137 # endif /* ! IDENTPROTO */
2138 #endif /* DCOSx */
2139 
2140 /*
2141 **  Concurrent Computer Corporation Maxion
2142 **
2143 **	From Donald R. Laster Jr. <laster@access.digex.net>.
2144 */
2145 
2146 #ifdef __MAXION__
2147 
2148 # include <sys/stream.h>
2149 # define __svr4__		1	/* SVR4.2MP */
2150 # define HASSETREUID		1	/* have setreuid(2) */
2151 # define HASLSTAT		1	/* have lstat(2) */
2152 # define HASSETRLIMIT		1	/* have setrlimit(2) */
2153 # define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2154 # define HASSNPRINTF		1	/* have snprintf(3) */
2155 # define HASGETUSERSHELL	1	/* have getusershell(3) */
2156 # define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2157 # define SLEEP_T		unsigned
2158 # define SFS_TYPE		SFS_STATVFS
2159 # define SFS_BAVAIL		f_bavail
2160 # ifndef SYSLOG_BUFSIZE
2161 #  define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2162 # endif /* ! SYSLOG_BUFSIZE */
2163 
2164 # undef WUNTRACED
2165 # undef WIFEXITED
2166 # undef WIFSIGNALED
2167 # undef WIFSTOPPED
2168 # undef WEXITSTATUS
2169 # undef WTERMSIG
2170 # undef WSTOPSIG
2171 
2172 #endif /* __MAXION__ */
2173 
2174 /*
2175 **  Harris Nighthawk PowerUX (nh6000 box)
2176 **
2177 **  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2178 */
2179 
2180 #ifdef _PowerUX
2181 # ifndef __svr4__
2182 #  define __svr4__
2183 # endif /* ! __svr4__ */
2184 # ifndef _PATH_VENDOR_CF
2185 #  define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2186 # endif /* ! _PATH_VENDOR_CF */
2187 # ifndef _PATH_SENDMAILPID
2188 #  define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2189 # endif /* ! _PATH_SENDMAILPID */
2190 # define SYSLOG_BUFSIZE		1024
2191 # define HASSNPRINTF		1	/* has snprintf(3) and vsnprintf(3) */
2192 # define LA_TYPE		LA_ZERO
2193 typedef struct msgb		mblk_t;
2194 # undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2195 #endif /* _PowerUX */
2196 
2197 /*
2198 **  Siemens Nixdorf Informationssysteme AG SINIX
2199 **
2200 **	Contributed by Gerald Rinske <Gerald.Rinske@mch.sni.de>
2201 **	of Siemens Business Services VAS.
2202 */
2203 #ifdef sinix
2204 # define HASRANDOM		0	/* has random(3) */
2205 # define SYSLOG_BUFSIZE		1024
2206 #endif /* sinix */
2207 
2208 /*
2209 **  CRAY T3E
2210 **
2211 **	Contributed by Manu Mahonen <mailadm@csc.fi>
2212 **	of Center for Scientific Computing.
2213 */
2214 #ifdef _CRAY
2215 # define GET_IPOPT_DST(dst)	*(struct in_addr *)&(dst)
2216 #endif /* _CRAY */
2217 
2218 /*
2219 **  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2220 **
2221 **	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2222 */
2223 
2224 #ifdef MOTO
2225 # define HASFCHMOD		1
2226 # define HASSETRLIMIT		0
2227 # define HASSETSID		1
2228 # define HASSETREUID		1
2229 # define HASULIMIT		1
2230 # define HASWAITPID		1
2231 # define HASGETDTABLESIZE	1
2232 # define HASGETUSERSHELL	1
2233 # define IP_SRCROUTE		0
2234 # define IDENTPROTO		0
2235 # define RES_DNSRCH_VARIABLE	_res_dnsrch
2236 # define _PATH_UNIX		"/unix"
2237 # define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2238 # define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2239 #endif /* MOTO */
2240 
2241 
2242 /**********************************************************************
2243 **  End of Per-Operating System defines
2244 **********************************************************************/
2245 /**********************************************************************
2246 **  More general defines
2247 **********************************************************************/
2248 
2249 /* general BSD defines */
2250 #ifdef BSD
2251 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2252 # ifndef HASSETREUID
2253 #  define HASSETREUID	1	/* has setreuid(2) call */
2254 # endif /* ! HASSETREUID */
2255 # define HASINITGROUPS	1	/* has initgroups(3) call */
2256 # ifndef IP_SRCROUTE
2257 #  define IP_SRCROUTE	1	/* can check IP source routing */
2258 # endif /* ! IP_SRCROUTE */
2259 # ifndef HASSETRLIMIT
2260 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
2261 # endif /* ! HASSETRLIMIT */
2262 # ifndef HASFLOCK
2263 #  define HASFLOCK	1	/* has flock(2) call */
2264 # endif /* ! HASFLOCK */
2265 # ifndef TZ_TYPE
2266 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2267 # endif /* ! TZ_TYPE */
2268 #endif /* BSD */
2269 
2270 /* general System V Release 4 defines */
2271 #ifdef __svr4__
2272 # define SYSTEM5	1
2273 # define USESETEUID	1	/* has usable seteuid(2) call */
2274 # define HASINITGROUPS	1	/* has initgroups(3) call */
2275 # define BSD_COMP	1	/* get BSD ioctl calls */
2276 # ifndef HASSETRLIMIT
2277 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
2278 # endif /* ! HASSETRLIMIT */
2279 # ifndef HASGETUSERSHELL
2280 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2281 # endif /* ! HASGETUSERSHELL */
2282 # ifndef HASFCHMOD
2283 #  define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2284 # endif /* ! HASFCHMOD */
2285 
2286 # ifndef _PATH_UNIX
2287 #  define _PATH_UNIX		"/unix"
2288 # endif /* ! _PATH_UNIX */
2289 # ifndef _PATH_VENDOR_CF
2290 #  define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2291 # endif /* ! _PATH_VENDOR_CF */
2292 # ifndef _PATH_SENDMAILPID
2293 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2294 # endif /* ! _PATH_SENDMAILPID */
2295 # ifndef SYSLOG_BUFSIZE
2296 #  define SYSLOG_BUFSIZE	128
2297 # endif /* ! SYSLOG_BUFSIZE */
2298 # ifndef SFS_TYPE
2299 #  define SFS_TYPE		SFS_STATVFS
2300 # endif /* ! SFS_TYPE */
2301 
2302 # define USE_SIGLONGJMP	1	/* sigsetjmp needed for signal handling */
2303 #endif /* __svr4__ */
2304 
2305 /* general System V defines */
2306 #ifdef SYSTEM5
2307 # include <sys/sysmacros.h>
2308 # define HASUNAME	1	/* use System V uname(2) system call */
2309 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2310 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2311 # ifndef HASULIMIT
2312 #  define HASULIMIT	1	/* has the ulimit(2) syscall */
2313 # endif /* ! HASULIMIT */
2314 # ifndef LA_TYPE
2315 #  ifdef MIOC_READKSYM
2316 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2317 #  else /* MIOC_READKSYM */
2318 #   define LA_TYPE	LA_INT		/* assume integer load average */
2319 #  endif /* MIOC_READKSYM */
2320 # endif /* ! LA_TYPE */
2321 # ifndef SFS_TYPE
2322 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2323 # endif /* ! SFS_TYPE */
2324 # ifndef TZ_TYPE
2325 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2326 # endif /* ! TZ_TYPE */
2327 #endif /* SYSTEM5 */
2328 
2329 /* general POSIX defines */
2330 #ifdef _POSIX_VERSION
2331 # define HASSETSID	1	/* has Posix setsid(2) call */
2332 # define HASWAITPID	1	/* has Posix waitpid(2) call */
2333 # if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2334 #  define USESETEUID	1	/* has usable seteuid(2) call */
2335 # endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2336 #endif /* _POSIX_VERSION */
2337 /*
2338 **  Tweaking for systems that (for example) claim to be BSD or POSIX
2339 **  but don't have all the standard BSD or POSIX routines (boo hiss).
2340 */
2341 
2342 #ifdef titan
2343 # undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2344 #endif /* titan */
2345 
2346 #ifdef _CRAYCOM
2347 # undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2348 #endif /* _CRAYCOM */
2349 
2350 #ifdef MOTO
2351 # undef USESETEUID
2352 #endif /* MOTO */
2353 
2354 /*
2355 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2356 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2357 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2358 **  are closed.  Some firewalls return this error if you try to connect
2359 **  to the IDENT port (113), so you can't receive email from these hosts
2360 **  on these systems.  The firewall really should use a more specific
2361 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2362 **  not explicitly set to zero above, default it on.
2363 */
2364 
2365 #ifndef IDENTPROTO
2366 # define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2367 #endif /* ! IDENTPROTO */
2368 
2369 #ifndef IP_SRCROUTE
2370 # define IP_SRCROUTE	1	/* Detect IP source routing */
2371 #endif /* ! IP_SRCROUTE */
2372 
2373 #ifndef HASGETUSERSHELL
2374 # define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2375 #endif /* ! HASGETUSERSHELL */
2376 
2377 #ifndef NETUNIX
2378 # define NETUNIX	1	/* include unix domain support */
2379 #endif /* ! NETUNIX */
2380 
2381 #ifndef HASRANDOM
2382 # define HASRANDOM	1	/* has random(3) support */
2383 #endif /* ! HASRANDOM */
2384 
2385 #ifndef HASFLOCK
2386 # define HASFLOCK	0	/* assume no flock(2) support */
2387 #endif /* ! HASFLOCK */
2388 
2389 #ifndef HASSETREUID
2390 # define HASSETREUID	0	/* assume no setreuid(2) call */
2391 #endif /* ! HASSETREUID */
2392 
2393 #ifndef HASFCHMOD
2394 # define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2395 #endif /* ! HASFCHMOD */
2396 
2397 #ifndef USESETEUID
2398 # define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2399 #endif /* ! USESETEUID */
2400 
2401 #ifndef HASSETRLIMIT
2402 # define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2403 #endif /* ! HASSETRLIMIT */
2404 
2405 #ifndef HASULIMIT
2406 # define HASULIMIT	0	/* assume no ulimit(2) support */
2407 #endif /* ! HASULIMIT */
2408 
2409 #ifndef SECUREWARE
2410 # define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2411 #endif /* ! SECUREWARE */
2412 
2413 #ifndef USE_SIGLONGJMP
2414 # define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2415 #endif /* ! USE_SIGLONGJMP */
2416 
2417 #ifndef FDSET_CAST
2418 # define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2419 #endif /* ! FDSET_CAST */
2420 
2421 /*
2422 **  Pick a mailer setuid method for changing the current uid
2423 */
2424 
2425 #define USE_SETEUID	0
2426 #define USE_SETREUID	1
2427 #define USE_SETUID	2
2428 
2429 #if USESETEUID
2430 # define MAILER_SETUID_METHOD	USE_SETEUID
2431 #else /* USESETEUID */
2432 # if HASSETREUID
2433 #  define MAILER_SETUID_METHOD	USE_SETREUID
2434 # else /* HASSETREUID */
2435 #  define MAILER_SETUID_METHOD	USE_SETUID
2436 # endif /* HASSETREUID */
2437 #endif /* USESETEUID */
2438 
2439 /*
2440 **  If no type for argument two of getgroups call is defined, assume
2441 **  it's an integer -- unfortunately, there seem to be several choices
2442 **  here.
2443 */
2444 
2445 #ifndef GIDSET_T
2446 # define GIDSET_T	int
2447 #endif /* ! GIDSET_T */
2448 
2449 #ifndef UID_T
2450 # define UID_T		uid_t
2451 #endif /* ! UID_T */
2452 
2453 #ifndef GID_T
2454 # define GID_T		gid_t
2455 #endif /* ! GID_T */
2456 
2457 #ifndef SIZE_T
2458 # define SIZE_T		size_t
2459 #endif /* ! SIZE_T */
2460 
2461 #ifndef MODE_T
2462 # define MODE_T		mode_t
2463 #endif /* ! MODE_T */
2464 
2465 #ifndef ARGV_T
2466 # define ARGV_T		char **
2467 #endif /* ! ARGV_T */
2468 
2469 #ifndef SOCKADDR_LEN_T
2470 # define SOCKADDR_LEN_T	int
2471 #endif /* ! SOCKADDR_LEN_T */
2472 
2473 #ifndef SOCKOPT_LEN_T
2474 # define SOCKOPT_LEN_T	int
2475 #endif /* ! SOCKOPT_LEN_T */
2476 
2477 #ifndef QUAD_T
2478 # define QUAD_T	unsigned long
2479 #endif /* ! QUAD_T */
2480 /**********************************************************************
2481 **  Remaining definitions should never have to be changed.  They are
2482 **  primarily to provide back compatibility for older systems -- for
2483 **  example, it includes some POSIX compatibility definitions
2484 **********************************************************************/
2485 
2486 /* System 5 compatibility */
2487 #ifndef S_ISREG
2488 # define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2489 #endif /* ! S_ISREG */
2490 #ifndef S_ISDIR
2491 # define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2492 #endif /* ! S_ISDIR */
2493 #if !defined(S_ISLNK) && defined(S_IFLNK)
2494 # define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2495 #endif /* !defined(S_ISLNK) && defined(S_IFLNK) */
2496 #if !defined(S_ISFIFO)
2497 # if defined(S_IFIFO)
2498 #  define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2499 # else /* defined(S_IFIFO) */
2500 #  define S_ISFIFO(foo)	FALSE
2501 # endif /* defined(S_IFIFO) */
2502 #endif /* !defined(S_ISFIFO) */
2503 #ifndef S_IRUSR
2504 # define S_IRUSR		0400
2505 #endif /* ! S_IRUSR */
2506 #ifndef S_IWUSR
2507 # define S_IWUSR		0200
2508 #endif /* ! S_IWUSR */
2509 #ifndef S_IRGRP
2510 # define S_IRGRP		0040
2511 #endif /* ! S_IRGRP */
2512 #ifndef S_IWGRP
2513 # define S_IWGRP		0020
2514 #endif /* ! S_IWGRP */
2515 #ifndef S_IROTH
2516 # define S_IROTH		0004
2517 #endif /* ! S_IROTH */
2518 #ifndef S_IWOTH
2519 # define S_IWOTH		0002
2520 #endif /* ! S_IWOTH */
2521 
2522 /* close-on-exec flag */
2523 #ifndef FD_CLOEXEC
2524 # define FD_CLOEXEC	1
2525 #endif /* ! FD_CLOEXEC */
2526 
2527 /*
2528 **  Older systems don't have this error code -- it should be in
2529 **  /usr/include/sysexits.h.
2530 */
2531 
2532 #ifndef EX_CONFIG
2533 # define EX_CONFIG	78	/* configuration error */
2534 #endif /* ! EX_CONFIG */
2535 
2536 /* pseudo-codes */
2537 #define EX_QUIT		22	/* drop out of server immediately */
2538 #define EX_RESTART	23	/* restart sendmail daemon */
2539 #define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2540 
2541 /* pseudo-code used for mci_setstat */
2542 #define EX_NOTSTICKY	-5	/* don't save persistent status */
2543 
2544 
2545 /*
2546 **  An "impossible" file mode to indicate that the file does not exist.
2547 */
2548 
2549 #define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2550 
2551 
2552 /* type of arbitrary pointer */
2553 #ifndef ARBPTR_T
2554 # define ARBPTR_T	void *
2555 #endif /* ! ARBPTR_T */
2556 
2557 #ifndef __P
2558 # include "sendmail/cdefs.h"
2559 #endif /* ! __P */
2560 
2561 #if HESIOD && !defined(NAMED_BIND)
2562 # define NAMED_BIND	1	/* not one without the other */
2563 #endif /* HESIOD && !defined(NAMED_BIND) */
2564 
2565 # if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2566 extern int	h_errno;
2567 # endif /* NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) */
2568 
2569 #ifdef LDAPMAP
2570 # include <sys/time.h>
2571 # include <lber.h>
2572 # include <ldap.h>
2573 
2574 /* Some LDAP constants */
2575 # define LDAPMAP_FALSE		0
2576 # define LDAPMAP_TRUE		1
2577 
2578 /*
2579 **  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2580 **  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2581 **  and assume (falsely) that all old API implementations are broken.
2582 **  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2583 */
2584 
2585 # if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2586 #  define USE_LDAP_INIT	1
2587 # endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) */
2588 
2589 /*
2590 **  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2591 **  hence ldap_set_option() must not exist.
2592 */
2593 
2594 # if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2595 #  define USE_LDAP_SET_OPTION	1
2596 # endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) */
2597 
2598 #endif /* LDAPMAP */
2599 
2600 /*
2601 **  Do some required dependencies
2602 */
2603 
2604 #if NETINET || NETINET6 || NETISO
2605 # ifndef SMTP
2606 #  define SMTP		1	/* enable user and server SMTP */
2607 # endif /* ! SMTP */
2608 # ifndef QUEUE
2609 #  define QUEUE		1	/* enable queueing */
2610 # endif /* ! QUEUE */
2611 # ifndef DAEMON
2612 #  define DAEMON	1	/* include the daemon (requires IPC & SMTP) */
2613 # endif /* ! DAEMON */
2614 #endif /* NETINET || NETINET6 || NETISO */
2615 
2616 
2617 /*
2618 **  Arrange to use either varargs or stdargs
2619 */
2620 
2621 #ifdef __STDC__
2622 
2623 # include <stdarg.h>
2624 
2625 # define VA_LOCAL_DECL	va_list ap;
2626 # define VA_START(f)	va_start(ap, f)
2627 # define VA_END		va_end(ap)
2628 
2629 #else /* __STDC__ */
2630 
2631 # include <varargs.h>
2632 
2633 # define VA_LOCAL_DECL	va_list ap;
2634 # define VA_START(f)	va_start(ap)
2635 # define VA_END		va_end(ap)
2636 
2637 #endif /* __STDC__ */
2638 
2639 #if HASUNAME
2640 # include <sys/utsname.h>
2641 # ifdef newstr
2642 #  undef newstr
2643 # endif /* newstr */
2644 #else /* HASUNAME */
2645 # define NODE_LENGTH 32
2646 struct utsname
2647 {
2648 	char nodename[NODE_LENGTH + 1];
2649 };
2650 #endif /* HASUNAME */
2651 
2652 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2653 # define MAXHOSTNAMELEN	256
2654 #endif /* !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) */
2655 
2656 #if !defined(SIGCHLD) && defined(SIGCLD)
2657 # define SIGCHLD	SIGCLD
2658 #endif /* !defined(SIGCHLD) && defined(SIGCLD) */
2659 
2660 #ifndef STDIN_FILENO
2661 # define STDIN_FILENO	0
2662 #endif /* ! STDIN_FILENO */
2663 
2664 #ifndef STDOUT_FILENO
2665 # define STDOUT_FILENO	1
2666 #endif /* ! STDOUT_FILENO */
2667 
2668 #ifndef STDERR_FILENO
2669 # define STDERR_FILENO	2
2670 #endif /* ! STDERR_FILENO */
2671 
2672 #ifndef LOCK_SH
2673 # define LOCK_SH	0x01	/* shared lock */
2674 # define LOCK_EX	0x02	/* exclusive lock */
2675 # define LOCK_NB	0x04	/* non-blocking lock */
2676 # define LOCK_UN	0x08	/* unlock */
2677 #endif /* ! LOCK_SH */
2678 
2679 #ifndef S_IXOTH
2680 # define S_IXOTH	(S_IEXEC >> 6)
2681 #endif /* ! S_IXOTH */
2682 
2683 #ifndef S_IXGRP
2684 # define S_IXGRP	(S_IEXEC >> 3)
2685 #endif /* ! S_IXGRP */
2686 
2687 #ifndef S_IXUSR
2688 # define S_IXUSR	(S_IEXEC)
2689 #endif /* ! S_IXUSR */
2690 
2691 #ifndef SEEK_SET
2692 # define SEEK_SET	0
2693 # define SEEK_CUR	1
2694 # define SEEK_END	2
2695 #endif /* ! SEEK_SET */
2696 
2697 #ifndef SIG_ERR
2698 # define SIG_ERR	((void (*)()) -1)
2699 #endif /* ! SIG_ERR */
2700 
2701 #ifndef WEXITSTATUS
2702 # define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2703 #endif /* ! WEXITSTATUS */
2704 #ifndef WIFEXITED
2705 # define WIFEXITED(st)		(((st) & 0377) == 0)
2706 #endif /* ! WIFEXITED */
2707 #ifndef WIFSTOPPED
2708 # define WIFSTOPPED(st)		(((st) & 0100) == 0)
2709 #endif /* ! WIFSTOPPED */
2710 #ifndef WCOREDUMP
2711 # define WCOREDUMP(st)		(((st) & 0200) != 0)
2712 #endif /* ! WCOREDUMP */
2713 #ifndef WTERMSIG
2714 # define WTERMSIG(st)		(((st) & 0177))
2715 #endif /* ! WTERMSIG */
2716 
2717 #ifndef SIGFUNC_DEFINED
2718 typedef void		(*sigfunc_t) __P((int));
2719 #endif /* ! SIGFUNC_DEFINED */
2720 #ifndef SIGFUNC_RETURN
2721 # define SIGFUNC_RETURN
2722 #endif /* ! SIGFUNC_RETURN */
2723 #ifndef SIGFUNC_DECL
2724 # define SIGFUNC_DECL	void
2725 #endif /* ! SIGFUNC_DECL */
2726 
2727 /* size of syslog buffer */
2728 #ifndef SYSLOG_BUFSIZE
2729 # define SYSLOG_BUFSIZE	1024
2730 #endif /* ! SYSLOG_BUFSIZE */
2731 
2732 /*
2733 **  Size of prescan buffer.
2734 **	Despite comments in the _sendmail_ book, this probably should
2735 **	not be changed; there are some hard-to-define dependencies.
2736 */
2737 
2738 #define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2739 
2740 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
2741 #ifndef FORK
2742 # define FORK		fork		/* function to call to fork mailer */
2743 #endif /* ! FORK */
2744 
2745 /* setting h_errno */
2746 #ifndef SM_SET_H_ERRNO
2747 # define SM_SET_H_ERRNO(err)	h_errno = (err)
2748 #endif /* SM_SET_H_ERRNO */
2749 
2750 /* random routine -- set above using #ifdef _osname_ or in Makefile */
2751 #if HASRANDOM
2752 # define get_random()	random()
2753 #else /* HASRANDOM */
2754 # define get_random()	((long) rand())
2755 # ifndef RANDOMSHIFT
2756 #  define RANDOMSHIFT	8
2757 # endif /* RANDOMSHIFT */
2758 #endif /* HASRANDOM */
2759 
2760 /*
2761 **  Default to using scanf in readcf.
2762 */
2763 
2764 #ifndef SCANF
2765 # define SCANF		1
2766 #endif /* ! SCANF */
2767 
2768 #if _FFR_MILTER
2769 /* 32 bit type */
2770 # ifndef SM_INT32
2771 #  define SM_INT32	int32_t
2772 # endif /* SM_INT32 */
2773 #endif /* _FFR_MILTER */
2774 
2775 /*
2776 **  SVr4 and similar systems use different routines for setjmp/longjmp
2777 **  with signal support
2778 */
2779 
2780 #if USE_SIGLONGJMP
2781 # ifdef jmp_buf
2782 #  undef jmp_buf
2783 # endif /* jmp_buf */
2784 # define jmp_buf		sigjmp_buf
2785 # ifdef setjmp
2786 #  undef setjmp
2787 # endif /* setjmp */
2788 # define setjmp(env)		sigsetjmp(env, 1)
2789 # ifdef longjmp
2790 #  undef longjmp
2791 # endif /* longjmp */
2792 # define longjmp(env, val)	siglongjmp(env, val)
2793 #endif /* USE_SIGLONGJMP */
2794 
2795 #if !defined(NGROUPS_MAX) && defined(NGROUPS)
2796 # define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
2797 #endif /* !defined(NGROUPS_MAX) && defined(NGROUPS) */
2798 
2799 /*
2800 **  Some snprintf() implementations are rumored not to NUL terminate.
2801 */
2802 #if SNPRINTF_IS_BROKEN
2803 # ifdef snprintf
2804 #  undef snprintf
2805 # endif /* snprintf */
2806 # define snprintf	sm_snprintf
2807 # ifdef vsnprintf
2808 #  undef vsnprintf
2809 # endif /* vsnprintf */
2810 # define vsnprintf	sm_vsnprintf
2811 #endif /* SNPRINTF_IS_BROKEN */
2812 
2813 /*
2814 **  If we don't have a system syslog, simulate it.
2815 */
2816 
2817 #if !LOG
2818 # define LOG_EMERG	0	/* system is unusable */
2819 # define LOG_ALERT	1	/* action must be taken immediately */
2820 # define LOG_CRIT	2	/* critical conditions */
2821 # define LOG_ERR	3	/* error conditions */
2822 # define LOG_WARNING	4	/* warning conditions */
2823 # define LOG_NOTICE	5	/* normal but significant condition */
2824 # define LOG_INFO	6	/* informational */
2825 # define LOG_DEBUG	7	/* debug-level messages */
2826 #endif /* !LOG */
2827 
2828 #if SFIO
2829 # ifdef ERRLIST_PREDEFINED
2830 #  undef ERRLIST_PREDEFINED
2831 # endif /* ERRLIST_PREDEFINED */
2832 # if !HASSNPRINTF
2833 #  define HASSNPRINTF	1	/* sfio includes snprintf() */
2834 # endif /* !HASSNPRINTF */
2835 #endif /* SFIO */
2836 
2837 #ifndef SFIO_STDIO_COMPAT
2838 # define SFIO_STDIO_COMPAT	0
2839 #endif /* ! SFIO_STDIO_COMPAT */
2840 
2841 #endif /* CONF_H */
2842