xref: /freebsd/contrib/sendmail/src/conf.h (revision 77a0943ded95b9e6438f7db70c4a28e4d93946d4)
1 /*
2  * Copyright (c) 1998-2000 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 8.496.4.25 2000/08/08 23:50:40 ca 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	20		/* 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 #ifndef MAXHDRSLEN
96 # define MAXHDRSLEN	(32 * 1024)	/* max size of message headers */
97 #endif /* ! MAXHDRSLEN */
98 #define MAXDAEMONS	10		/* max number of ports to listen to */
99 #ifndef MAXINTERFACES
100 # define MAXINTERFACES	512		/* number of interfaces to probe */
101 #endif /* MAXINTERFACES */
102 #ifndef MAXSYMLINKS
103 # define MAXSYMLINKS	32		/* max number of symlinks in a path */
104 #endif /* ! MAXSYMLINKS */
105 #define MAXLINKPATHLEN	(MAXPATHLEN * MAXSYMLINKS) /* max link-expanded file */
106 #define DATA_PROGRESS_TIMEOUT	300	/* how ofter to check DATA progress */
107 #define ENHSCLEN	10		/* max len of enhanced status code */
108 #if _FFR_DYNAMIC_TOBUF
109 # define DEFAULT_MAX_RCPT	100	/* max number of RCPTs per envelope */
110 #endif /* _FFR_DYNAMIC_TOBUF */
111 
112 #if SASL
113 # ifndef AUTH_MECHANISMS
114 #  if STARTTLS && _FFR_EXT_MECH
115 #   define AUTH_MECHANISMS	"EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5"
116 #  else /* STARTTLS && _FFR_EXT_MECH */
117 #   define AUTH_MECHANISMS	"GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5"
118 #  endif /* STARTTLS && _FFR_EXT_MECH */
119 # endif /* ! AUTH_MECHANISMS */
120 #endif /* SASL */
121 
122 #ifdef LDAPMAP
123 # define LDAPMAP_MAX_ATTR	64
124 # define LDAPMAP_MAX_FILTER	1024
125 # define LDAPMAP_MAX_PASSWD	256
126 #endif /* LDAPMAP */
127 
128 /**********************************************************************
129 **  Compilation options.
130 **	#define these to 1 if they are available;
131 **	#define them to 0 otherwise.
132 **  All can be overridden from Makefile.
133 **********************************************************************/
134 
135 #ifndef NETINET
136 # define NETINET	1	/* include internet support */
137 #endif /* ! NETINET */
138 
139 #ifndef NETINET6
140 # define NETINET6	0	/* do not include IPv6 support */
141 #endif /* ! NETINET6 */
142 
143 #ifndef NETISO
144 # define NETISO	0		/* do not include ISO socket support */
145 #endif /* ! NETISO */
146 
147 #ifndef NAMED_BIND
148 # define NAMED_BIND	1	/* use Berkeley Internet Domain Server */
149 #endif /* ! NAMED_BIND */
150 
151 #ifndef XDEBUG
152 # define XDEBUG		1	/* enable extended debugging */
153 #endif /* ! XDEBUG */
154 
155 #ifndef MATCHGECOS
156 # define MATCHGECOS	1	/* match user names from gecos field */
157 #endif /* ! MATCHGECOS */
158 
159 #ifndef DSN
160 # define DSN		1	/* include delivery status notification code */
161 #endif /* ! DSN */
162 
163 #if !defined(USERDB) && (defined(NEWDB) || defined(HESIOD))
164 # define USERDB		1	/* look in user database */
165 #endif /* !defined(USERDB) && (defined(NEWDB) || defined(HESIOD)) */
166 
167 #ifndef MIME8TO7
168 # define MIME8TO7	1	/* 8->7 bit MIME conversions */
169 #endif /* ! MIME8TO7 */
170 
171 #ifndef MIME7TO8
172 # define MIME7TO8	1	/* 7->8 bit MIME conversions */
173 #endif /* ! MIME7TO8 */
174 
175 /**********************************************************************
176 **  "Hard" compilation options.
177 **	#define these if they are available; comment them out otherwise.
178 **  These cannot be overridden from the Makefile, and should really not
179 **  be turned off unless absolutely necessary.
180 **********************************************************************/
181 
182 #define LOG		1	/* enable logging -- don't turn off */
183 
184 /**********************************************************************
185 **  End of site-specific configuration.
186 **********************************************************************/
187 /*
188 **  General "standard C" defines.
189 **
190 **	These may be undone later, to cope with systems that claim to
191 **	be Standard C but aren't.  Gcc is the biggest offender -- it
192 **	doesn't realize that the library is part of the language.
193 **
194 **	Life would be much easier if we could get rid of this sort
195 **	of bozo problems.
196 */
197 
198 #ifdef __STDC__
199 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
200 #endif /* __STDC__ */
201 
202 /*
203 **  Assume you have standard calls; can be #undefed below if necessary.
204 */
205 
206 #ifndef HASLSTAT
207 # define HASLSTAT	1	/* has lstat(2) call */
208 #endif /* ! HASLSTAT */
209 /**********************************************************************
210 **  Operating system configuration.
211 **
212 **	Unless you are porting to a new OS, you shouldn't have to
213 **	change these.
214 **********************************************************************/
215 
216 /*
217 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
218 **
219 **	If V4FS is defined, compile for HP-UX 10.0.
220 **	11.x support from Richard Allen <ra@hp.is>.
221 */
222 
223 #ifdef __hpux
224 		/* common definitions for HP-UX 9.x and 10.x */
225 # undef m_flags		/* conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h on HP 300 */
226 # define SYSTEM5	1	/* include all the System V defines */
227 # define HASINITGROUPS	1	/* has initgroups(3) call */
228 # define HASFCHMOD	1	/* has fchmod(2) syscall */
229 # define USESETEUID	1	/* has usable seteuid(2) call */
230 # define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
231 # define seteuid(e)	setresuid(-1, e, -1)
232 # define IP_SRCROUTE	1	/* can check IP source routing */
233 # define LA_TYPE	LA_HPUX
234 # define SPT_TYPE	SPT_PSTAT
235 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
236 # define GIDSET_T	gid_t
237 # ifndef HASGETUSERSHELL
238 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
239 # endif /* ! HASGETUSERSHELL */
240 # ifdef HPUX11
241 #  define HASFCHOWN	1	/* has fchown(2) */
242 #  define HASSNPRINTF	1	/* has snprintf(3) */
243 #  ifndef BROKEN_RES_SEARCH
244 #   define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
245 #  endif /* ! BROKEN_RES_SEARCH */
246 # else /* HPUX11 */
247 #  ifndef NOT_SENDMAIL
248 #   define syslog	hard_syslog
249 #  endif /* ! NOT_SENDMAIL */
250 # endif /* HPUX11 */
251 # define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
252 
253 # ifdef V4FS
254 		/* HP-UX 10.x */
255 #  define _PATH_UNIX		"/stand/vmunix"
256 #  ifndef _PATH_VENDOR_CF
257 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
258 #  endif /* ! _PATH_VENDOR_CF */
259 #  ifndef _PATH_SENDMAILPID
260 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
261 #  endif /* ! _PATH_SENDMAILPID */
262 #  ifndef IDENTPROTO
263 #   define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
264 #  endif /* ! IDENTPROTO */
265 #  include <sys/mpctl.h>	/* for mpctl() in get_num_procs_online() */
266 # else /* V4FS */
267 		/* HP-UX 9.x */
268 #  define _PATH_UNIX		"/hp-ux"
269 #  ifndef _PATH_VENDOR_CF
270 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
271 #  endif /* ! _PATH_VENDOR_CF */
272 #  ifndef IDENTPROTO
273 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
274 #  endif /* ! IDENTPROTO */
275 #  ifdef __STDC__
276 extern void	hard_syslog(int, char *, ...);
277 #  else /* __STDC__ */
278 extern void	hard_syslog();
279 #  endif /* __STDC__ */
280 #  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
281 # endif /* V4FS */
282 
283 #endif /* __hpux */
284 
285 
286 /*
287 **  IBM AIX 4.x
288 */
289 
290 #ifdef _AIX4
291 # define _AIX3		1	/* pull in AIX3 stuff */
292 # define BSD4_4_SOCKADDR	/* has sa_len */
293 # define USESETEUID	1	/* seteuid(2) works */
294 # define TZ_TYPE	TZ_NAME	/* use tzname[] vector */
295 # define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
296 # if _AIX4 >= 40200
297 #  define HASSETREUID	1	/* setreuid(2) works as of AIX 4.2 */
298 #  define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
299 # endif /* _AIX4 >= 40200 */
300 # if _AIX4 >= 40300
301 #  define HASSNPRINTF	1		/* has snprintf starting in 4.3 */
302 # endif /* _AIX4 >= 40300 */
303 # if defined(_ILS_MACROS)	/* IBM versions aren't side-effect clean */
304 #  undef isascii
305 #  define isascii(c)		!(c & ~0177)
306 #  undef isdigit
307 #  define isdigit(__a)		(_IS(__a,_ISDIGIT))
308 #  undef isspace
309 #  define isspace(__a)		(_IS(__a,_ISSPACE))
310 # endif /* defined(_ILS_MACROS) */
311 #endif /* _AIX4 */
312 
313 
314 /*
315 **  IBM AIX 3.x -- actually tested for 3.2.3
316 */
317 
318 #ifdef _AIX3
319 # include <paths.h>
320 # include <sys/machine.h>	/* to get byte order */
321 # include <sys/select.h>
322 # define HASFCHOWN	1	/* has fchown(2) */
323 # define HASINITGROUPS	1	/* has initgroups(3) call */
324 # define HASUNAME	1	/* use System V uname(2) system call */
325 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
326 # define HASFCHMOD	1	/* has fchmod(2) syscall */
327 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
328 # define GIDSET_T	gid_t
329 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
330 # define SPT_PADCHAR	'\0'	/* pad process title with nulls */
331 # define LA_TYPE	LA_INT
332 # define FSHIFT		16
333 # define LA_AVENRUN	"avenrun"
334 #endif /* _AIX3 */
335 
336 
337 /*
338 **  IBM AIX 2.2.1 -- actually tested for osupdate level 2706+1773
339 **
340 **	From Mark Whetzel <markw@wg.waii.com>.
341 */
342 
343 #ifdef AIX			/* AIX/RT compiler pre-defines this */
344 # include <paths.h>
345 # include <sys/time.h>		/* AIX/RT resource.h does NOT include this */
346 # define HASINITGROUPS	1	/* has initgroups(3) call */
347 # define HASUNAME	1	/* use System V uname(2) system call */
348 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
349 # define HASFCHMOD	0	/* does not have fchmod(2) syscall */
350 # define HASSETREUID	1	/* use setreuid(2) -lbsd system call */
351 # define HASSETVBUF	1	/* use setvbuf(2) system call */
352 # define HASSETRLIMIT	0	/* does not have setrlimit call */
353 # define HASFLOCK	0	/* does not have flock call - use fcntl */
354 # define HASULIMIT	1	/* use ulimit instead of setrlimit call */
355 # define NEEDGETOPT	1	/* Do we need theirs or ours */
356 # define SYS5SETPGRP	1	/* don't have setpgid on AIX/RT */
357 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
358 # define BSD4_3		1	/* NOT bsd 4.4 or posix signals */
359 # define GIDSET_T	int
360 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
361 # define SPT_PADCHAR	'\0'		/* pad process title with nulls */
362 # define LA_TYPE	LA_SUBR		/* use our ported loadavgd daemon */
363 # define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
364 # define ARBPTR_T	int *
365 # define void		int
366 typedef int		pid_t;
367 /* RTisms for BSD compatibility, specified in the Makefile
368   define BSD		1
369   define BSD_INCLUDES		1
370   define BSD_REMAP_SIGNAL_TO_SIGVEC
371     RTisms needed above */
372 /* make this sendmail in a completely different place */
373 # ifndef _PATH_VENDOR_CF
374 #  define _PATH_VENDOR_CF	"/usr/local/newmail/sendmail.cf"
375 # endif /* ! _PATH_VENDOR_CF */
376 # ifndef _PATH_SENDMAILPID
377 #  define _PATH_SENDMAILPID	"/usr/local/newmail/sendmail.pid"
378 # endif /* ! _PATH_SENDMAILPID */
379 #endif /* AIX */
380 
381 
382 /*
383 **  Silicon Graphics IRIX
384 **
385 **	Compiles on 4.0.1.
386 **
387 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
388 **	Use IRIX5 instead of IRIX for IRIX 5.x.
389 **
390 **	This version tries to be adaptive using _MIPS_SIM:
391 **		_MIPS_SIM == _ABIO32 (= 1)    Abi: -32 on IRIX 6.2
392 **		_MIPS_SIM == _ABIN32 (= 2)    Abi: -n32 on IRIX 6.2
393 **		_MIPS_SIM == _ABI64  (= 3)    Abi: -64 on IRIX 6.2
394 **
395 **		_MIPS_SIM is 1 also on IRIX 5.3
396 **
397 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
398 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
399 **	Adaptive changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
400 */
401 
402 #if defined(__sgi)
403 # ifndef IRIX
404 #  define IRIX
405 # endif /* ! IRIX */
406 # if _MIPS_SIM > 0 && !defined(IRIX5)
407 #  define IRIX5			/* IRIX5 or IRIX6 */
408 # endif /* _MIPS_SIM > 0 && !defined(IRIX5) */
409 # if _MIPS_SIM > 1 && !defined(IRIX6) && !defined(IRIX64)
410 #  define IRIX6			/* IRIX6 */
411 # endif /* _MIPS_SIM > 1 && !defined(IRIX6) && !defined(IRIX64) */
412 #endif /* defined(__sgi) */
413 
414 #ifdef IRIX
415 # define SYSTEM5	1	/* this is a System-V derived system */
416 # define HASSETREUID	1	/* has setreuid(2) call */
417 # define HASINITGROUPS	1	/* has initgroups(3) call */
418 # define HASFCHMOD	1	/* has fchmod(2) syscall */
419 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
420 # define IP_SRCROUTE	1	/* can check IP source routing */
421 # define setpgid	BSDsetpgrp
422 # define GIDSET_T	gid_t
423 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
424 # define SFS_BAVAIL	f_bfree		/* alternate field name */
425 # define SYSLOG_BUFSIZE 512
426 # ifdef IRIX6
427 #  define STAT64	1
428 #  define QUAD_T	unsigned long long
429 #  define LA_TYPE	LA_IRIX6	/* figure out at run time */
430 #  define SAFENFSPATHCONF 0	/* pathconf(2) lies on NFS filesystems */
431 # else /* IRIX6 */
432 #  define LA_TYPE	LA_INT
433 
434 #  ifdef IRIX64
435 #   define STAT64	1
436 #   define QUAD_T	unsigned long long
437 #   define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
438 #  else /* IRIX64 */
439 #   define STAT64	0
440 #   define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
441 #  endif /* IRIX64 */
442 # endif /* IRIX6 */
443 # if defined(IRIX64) || defined(IRIX5) || defined(IRIX6)
444 #  include <sys/cdefs.h>
445 #  include <paths.h>
446 #  define ARGV_T	char *const *
447 #  define HASFCHOWN	1	/* has fchown(2) */
448 #  define HASSETRLIMIT	1	/* has setrlimit(2) syscall */
449 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
450 #  define HASSTRERROR	1	/* has strerror(3) */
451 # else /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
452 #  define ARGV_T	const char **
453 #  define WAITUNION	1	/* use "union wait" as wait argument type */
454 # endif /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
455 #endif /* IRIX */
456 
457 
458 /*
459 **  SunOS and Solaris
460 **
461 **	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
462 **	Solaris 2.4 (a.k.a. SunOS 5.4).
463 */
464 
465 #if defined(sun) && !defined(BSD)
466 
467 # include <sys/time.h>
468 # define HASINITGROUPS	1	/* has initgroups(3) call */
469 # define HASUNAME	1	/* use System V uname(2) system call */
470 # define HASFCHMOD	1	/* has fchmod(2) syscall */
471 # define IP_SRCROUTE	1	/* can check IP source routing */
472 # define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
473 # ifndef HASFCHOWN
474 #  define HASFCHOWN	1	/* fchown(2) */
475 # endif /* ! HASFCHOWN */
476 
477 # ifdef SOLARIS_2_3
478 #  define SOLARIS	20300	/* for back compat only -- use -DSOLARIS=20300 */
479 # endif /* SOLARIS_2_3 */
480 
481 # if defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4))
482 #  define SOLARIS	1	/* unknown Solaris version */
483 # endif /* defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4)) */
484 
485 # ifdef SOLARIS
486 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
487 #  ifndef __svr4__
488 #   define __svr4__		/* use all System V Release 4 defines below */
489 #  endif /* ! __svr4__ */
490 #  define GIDSET_T	gid_t
491 #  define USE_SA_SIGACTION	1	/* use sa_sigaction field */
492 #  ifndef _PATH_UNIX
493 #   define _PATH_UNIX		"/dev/ksyms"
494 #  endif /* ! _PATH_UNIX */
495 #  ifndef _PATH_VENDOR_CF
496 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
497 #  endif /* ! _PATH_VENDOR_CF */
498 #  ifndef _PATH_SENDMAILPID
499 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
500 #  endif /* ! _PATH_SENDMAILPID */
501 #  ifndef _PATH_HOSTS
502 #   define _PATH_HOSTS		"/etc/inet/hosts"
503 #  endif /* ! _PATH_HOSTS */
504 #  ifndef SYSLOG_BUFSIZE
505 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
506 #  endif /* ! SYSLOG_BUFSIZE */
507 #  ifndef TZ_TYPE
508 #   define TZ_TYPE	TZ_TZNAME
509 #  endif /* ! TZ_TYPE */
510 #  if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203)
511 #   define USESETEUID	1		/* seteuid works as of 2.3 */
512 #  endif /* SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203) */
513 #  if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205)
514 #   define HASSETREUID	1		/* setreuid works as of 2.5 */
515 #   if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700)
516 #    ifndef LA_TYPE
517 #     define LA_TYPE	LA_KSTAT	/* use kstat(3k) -- may work in < 2.5 */
518 #    endif /* ! LA_TYPE */
519 #    ifndef RANDOMSHIFT		/* random() doesn't work well (sometimes) */
520 #     define RANDOMSHIFT	8
521 #    endif /* RANDOMSHIFT */
522 #   endif /* SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) */
523 #  else /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
524 #   ifndef HASRANDOM
525 #    define HASRANDOM	0		/* doesn't have random(3) */
526 #   endif /* ! HASRANDOM */
527 #  endif /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
528 #  if SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206)
529 #   define HASSNPRINTF	1		/* has snprintf starting in 2.6 */
530 #  else /* SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206) */
531     typedef int int32_t;
532 #  endif /* SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206) */
533 #  if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207)
534 #   ifndef LA_TYPE
535 #    include <sys/loadavg.h>
536 #    define LA_TYPE	LA_SUBR		/* getloadavg(3c) appears in 2.7 */
537 #   endif /* ! LA_TYPE */
538 #   define HASGETUSERSHELL 1	/* getusershell(3c) bug fixed in 2.7 */
539 #  endif /* SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) */
540 #  if SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208)
541 #   define HASSTRL	1	/* str*(3) added in 2.8 */
542 #   undef _PATH_SENDMAILPID	/* tmpfs /var/run added in 2.8 */
543 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
544 #  endif /* SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) */
545 #  ifndef HASGETUSERSHELL
546 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps pre-2.7 */
547 #  endif /* ! HASGETUSERSHELL */
548 
549 # else /* SOLARIS */
550 			/* SunOS 4.0.3 or 4.1.x */
551 #  define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
552 #  define HASSETREUID	1	/* has setreuid(2) call */
553 #  ifndef HASFLOCK
554 #   define HASFLOCK	1	/* has flock(2) call */
555 #  endif /* ! HASFLOCK */
556 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
557 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
558 #  include <memory.h>
559 #  include <vfork.h>
560 #  ifdef __GNUC__
561 #   define strtoul	strtol	/* gcc library bogosity */
562 #  endif /* __GNUC__ */
563 #  define memmove(d, s, l)	(bcopy((s), (d), (l)))
564 
565 #  ifdef SUNOS403
566 			/* special tweaking for SunOS 4.0.3 */
567 #   include <malloc.h>
568 #   define BSD4_3	1	/* 4.3 BSD-based */
569 #   define NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
570 #   define WAITUNION	1	/* use "union wait" as wait argument type */
571 #   undef WIFEXITED
572 #   undef WEXITSTATUS
573 #   undef HASUNAME
574 #   define setpgid	setpgrp
575 #   define MODE_T	int
576 typedef int		pid_t;
577 extern char		*getenv();
578 
579 #  else /* SUNOS403 */
580 			/* 4.1.x specifics */
581 #   define HASSETSID	1	/* has Posix setsid(2) call */
582 #   define HASSETVBUF	1	/* we have setvbuf(3) in libc */
583 
584 #  endif /* SUNOS403 */
585 # endif /* SOLARIS */
586 
587 # ifndef LA_TYPE
588 #  define LA_TYPE	LA_INT
589 # endif /* ! LA_TYPE */
590 
591 #endif /* defined(sun) && !defined(BSD) */
592 
593 /*
594 **  DG/UX
595 **
596 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
597 **	older support.
598 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
599 */
600 
601 #ifdef DGUX_5_4_2
602 # define DGUX		1
603 #endif /* DGUX_5_4_2 */
604 
605 #ifdef DGUX
606 # define SYSTEM5	1
607 # define LA_TYPE	LA_DGUX
608 # define HASSETREUID	1	/* has setreuid(2) call */
609 # define HASUNAME	1	/* use System V uname(2) system call */
610 # define HASSETSID	1	/* has Posix setsid(2) call */
611 # define HASINITGROUPS	1	/* has initgroups(3) call */
612 # define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
613 # define HASGETUSERSHELL 0	/* does not have getusershell(3) */
614 # define HASSNPRINTF	1	/* has snprintf(3) */
615 # ifndef IDENTPROTO
616 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
617 # endif /* ! IDENTPROTO */
618 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
619 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
620 
621 /* these include files must be included early on DG/UX */
622 # include <netinet/in.h>
623 # include <arpa/inet.h>
624 
625 /* compiler doesn't understand const? */
626 # define const
627 
628 # ifdef DGUX_5_4_2
629 #  define inet_addr	dgux_inet_addr
630 extern long	dgux_inet_addr();
631 # endif /* DGUX_5_4_2 */
632 #endif /* DGUX */
633 
634 
635 /*
636 **  Digital Ultrix 4.2A or 4.3
637 **
638 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
639 **	not dropped when the process exits.  This causes major problems,
640 **	so flock is the only alternative.
641 */
642 
643 #ifdef ultrix
644 # define HASSETREUID	1	/* has setreuid(2) call */
645 # define HASUNSETENV	1	/* has unsetenv(3) call */
646 # define HASINITGROUPS	1	/* has initgroups(3) call */
647 # define HASUNAME	1	/* use System V uname(2) system call */
648 # define HASFCHMOD	1	/* has fchmod(2) syscall */
649 # define HASFCHOWN	1	/* has fchown(2) syscall */
650 # ifndef HASFLOCK
651 #  define HASFLOCK	1	/* has flock(2) call */
652 # endif /* ! HASFLOCK */
653 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
654 # ifndef BROKEN_RES_SEARCH
655 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
656 # endif /* ! BROKEN_RES_SEARCH */
657 # if !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621
658 #  define NEEDLOCAL_HOSTNAME_LENGTH	1	/* see sendmail/README */
659 # endif /* !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621 */
660 # ifdef vax
661 #  define LA_TYPE	LA_FLOAT
662 # else /* vax */
663 #  define LA_TYPE	LA_INT
664 #  define LA_AVENRUN	"avenrun"
665 # endif /* vax */
666 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
667 # ifndef IDENTPROTO
668 #  define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
669 # endif /* ! IDENTPROTO */
670 # define SYSLOG_BUFSIZE	256
671 #endif /* ultrix */
672 
673 
674 /*
675 **  OSF/1 for KSR.
676 **
677 **	Contributed by Todd C. Miller <Todd.Miller@cs.colorado.edu>
678 */
679 
680 #ifdef __ksr__
681 # define __osf__	1	/* get OSF/1 defines below */
682 # ifndef TZ_TYPE
683 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
684 # endif /* ! TZ_TYPE */
685 #endif /* __ksr__ */
686 
687 
688 /*
689 **  OSF/1 for Intel Paragon.
690 **
691 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
692 **	of Intel Scalable Systems Divison.
693 */
694 
695 #ifdef __PARAGON__
696 # define __osf__	1	/* get OSF/1 defines below */
697 # ifndef TZ_TYPE
698 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
699 # endif /* ! TZ_TYPE */
700 # define GIDSET_T	gid_t
701 # define MAXNAMLEN	NAME_MAX
702 #endif /* __PARAGON__ */
703 
704 
705 /*
706 **  Tru64 UNIX, formerly known as Digital UNIX, formerly known as DEC OSF/1
707 **
708 **	Tested for 3.2 and 4.0.
709 */
710 
711 #ifdef __osf__
712 # define HASUNAME	1	/* has uname(2) call */
713 # define HASUNSETENV	1	/* has unsetenv(3) call */
714 # define USESETEUID	1	/* has usable seteuid(2) call */
715 # define HASINITGROUPS	1	/* has initgroups(3) call */
716 # define HASFCHMOD	1	/* has fchmod(2) syscall */
717 # define HASFCHOWN	1	/* has fchown(2) syscall */
718 # define HASSETLOGIN	1	/* has setlogin(2) */
719 # define IP_SRCROUTE	1	/* can check IP source routing */
720 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
721 # define GIDSET_T	gid_t
722 # if _FFR_MILTER
723 #  define SM_INT32	int	/* 32bit integer */
724 # endif /* _FFR_MILTER */
725 # ifndef HASFLOCK
726 #  define HASFLOCK	1	/* has flock(2) call */
727 # endif /* ! HASFLOCK */
728 # define LA_TYPE	LA_ALPHAOSF
729 # define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statfs() impl */
730 # ifndef _PATH_VENDOR_CF
731 #  define _PATH_VENDOR_CF	"/var/adm/sendmail/sendmail.cf"
732 # endif /* ! _PATH_VENDOR_CF */
733 # ifndef _PATH_SENDMAILPID
734 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
735 # endif /* ! _PATH_SENDMAILPID */
736 #endif /* __osf__ */
737 
738 
739 /*
740 **  NeXTstep
741 */
742 
743 #ifdef NeXT
744 # define HASINITGROUPS	1	/* has initgroups(3) call */
745 # define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
746 # ifndef HASFLOCK
747 #  define HASFLOCK	1	/* has flock(2) call */
748 # endif /* ! HASFLOCK */
749 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
750 # define WAITUNION	1	/* use "union wait" as wait argument type */
751 # define UID_T		int	/* compiler gripes on uid_t */
752 # define GID_T		int	/* ditto for gid_t */
753 # define MODE_T		int	/* and mode_t */
754 # define setpgid	setpgrp
755 # ifndef NOT_SENDMAIL
756 #  define sleep		sleepX
757 # endif /* ! NOT_SENDMAIL */
758 # ifndef LA_TYPE
759 #  define LA_TYPE	LA_MACH
760 # endif /* ! LA_TYPE */
761 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
762 # ifndef _POSIX_SOURCE
763 typedef int		pid_t;
764 #  undef WEXITSTATUS
765 #  undef WIFEXITED
766 #  undef WIFSTOPPED
767 #  undef WTERMSIG
768 # endif /* ! _POSIX_SOURCE */
769 # ifndef _PATH_VENDOR_CF
770 #  define _PATH_VENDOR_CF	"/etc/sendmail/sendmail.cf"
771 # endif /* ! _PATH_VENDOR_CF */
772 # ifndef _PATH_SENDMAILPID
773 #  define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
774 # endif /* ! _PATH_SENDMAILPID */
775 
776 # ifdef TCPWRAPPERS
777 #  ifndef HASUNSETENV
778 #   define HASUNSETENV	1
779 #  endif /* ! HASUNSETENV */
780 #  undef NEEDPUTENV
781 # endif /* TCPWRAPPERS */
782 
783 #endif /* NeXT */
784 
785 /*
786 **  Apple Rhapsody
787 **	Contributed by Wilfredo Sanchez <wsanchez@apple.com>
788 **
789 **	Also used for Apple Darwin support.
790 */
791 
792 #if defined(DARWIN)
793 # define HASFCHMOD	1	/* has fchmod(2) syscall */
794 # define HASFLOCK	1	/* has flock(2) syscall */
795 # define HASUNAME	1	/* has uname(2) syscall */
796 # define HASUNSETENV	1
797 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
798 # define HASINITGROUPS	1
799 # define HASSETVBUF	1
800 # define HASSETREUID	1
801 # define USESETEUID	1	/* has usable seteuid(2) call */
802 # define HASLSTAT	1
803 # define HASSETRLIMIT	1
804 # define HASWAITPID	1
805 # define HASSTRERROR	1	/* has strerror(3) */
806 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
807 # define HASSTRERROR	1	/* has strerror(3) */
808 # define HASGETDTABLESIZE	1
809 # define HASGETUSERSHELL	1
810 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
811 # define BSD4_4_SOCKADDR	/* has sa_len */
812 # define NETLINK	1	/* supports AF_LINK */
813 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
814 # define GIDSET_T	gid_t
815 # define LA_TYPE	LA_SUBR		/* use getloadavg(3) */
816 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
817 # define SPT_TYPE	SPT_PSSTRINGS
818 # define SPT_PADCHAR	'\0'	/* pad process title with nulls */
819 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
820 #endif /* DARWIN */
821 
822 
823 /*
824 **  4.4 BSD
825 **
826 **	See also BSD defines.
827 */
828 
829 #if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__)
830 # include <paths.h>
831 # define HASUNSETENV	1	/* has unsetenv(3) call */
832 # define USESETEUID	1	/* has usable seteuid(2) call */
833 # define HASFCHMOD	1	/* has fchmod(2) syscall */
834 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
835 # define HASSTRERROR	1	/* has strerror(3) */
836 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
837 # include <sys/cdefs.h>
838 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
839 # define BSD4_4_SOCKADDR	/* has sa_len */
840 # define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
841 # define NETLINK	1	/* supports AF_LINK */
842 # ifndef LA_TYPE
843 #  define LA_TYPE	LA_SUBR
844 # endif /* ! LA_TYPE */
845 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
846 # define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
847 #endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) */
848 
849 
850 /*
851 **  BSD/OS (was BSD/386) (all versions)
852 **	From Tony Sanders, BSDI
853 */
854 
855 #ifdef __bsdi__
856 # include <paths.h>
857 # define HASUNSETENV	1	/* has the unsetenv(3) call */
858 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
859 # define USESETEUID	1	/* has usable seteuid(2) call */
860 # define HASFCHMOD	1	/* has fchmod(2) syscall */
861 # define HASSETLOGIN	1	/* has setlogin(2) */
862 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
863 # define HASUNAME	1	/* has uname(2) syscall */
864 # define HASSTRERROR	1	/* has strerror(3) */
865 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
866 # include <sys/cdefs.h>
867 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
868 # define BSD4_4_SOCKADDR	/* has sa_len */
869 # define NETLINK	1	/* supports AF_LINK */
870 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
871 # ifndef LA_TYPE
872 #  define LA_TYPE	LA_SUBR
873 # endif /* ! LA_TYPE */
874 # define GIDSET_T	gid_t
875 # define QUAD_T		quad_t
876 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
877 			/* version 1.1 or later */
878 #  undef SPT_TYPE
879 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
880 # else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
881 			/* version 1.0 or earlier */
882 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
883 # endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
884 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701	/* on 3.x */
885 #  define HASSETUSERCONTEXT 1	/* has setusercontext */
886 # endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 */
887 #endif /* __bsdi__ */
888 
889 
890 /*
891 **  QNX 4.2x
892 **	Contributed by Glen McCready <glen@qnx.com>.
893 **
894 **	Should work with all versions of QNX.
895 */
896 
897 #if defined(__QNX__)
898 # include <unix.h>
899 # include <sys/select.h>
900 # undef NGROUPS_MAX
901 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
902 # define USESETEUID	1	/* has usable seteuid(2) call */
903 # define HASFCHMOD	1	/* has fchmod(2) syscall */
904 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
905 # define HASSETREUID	1	/* has setreuid(2) call */
906 # define HASSTRERROR	1	/* has strerror(3) */
907 # define HASFLOCK	0
908 # undef HASINITGROUPS		/* has initgroups(3) call */
909 # define NEEDGETOPT	1	/* use sendmail's getopt */
910 # define IP_SRCROUTE	1	/* can check IP source routing */
911 # define TZ_TYPE	TZ_TMNAME	/* use tmname variable */
912 # define GIDSET_T	gid_t
913 # define LA_TYPE	LA_ZERO
914 # define SFS_TYPE	SFS_NONE
915 # define SPT_TYPE	SPT_REUSEARGV
916 # define SPT_PADCHAR	'\0'	/* pad process title with nulls */
917 # define HASGETUSERSHELL 0
918 # define E_PSEUDOBASE	512
919 # define _FILE_H_INCLUDED
920 #endif /* defined(__QNX__) */
921 
922 
923 /*
924 **  FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
925 **
926 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
927 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
928 **
929 **	See also BSD defines.
930 */
931 
932 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
933 # include <paths.h>
934 # define HASUNSETENV	1	/* has unsetenv(3) call */
935 # define HASSETSID	1	/* has the setsid(2) POSIX syscall */
936 # define USESETEUID	1	/* has usable seteuid(2) call */
937 # define HASFCHMOD	1	/* has fchmod(2) syscall */
938 # define HASFCHOWN	1	/* fchown(2) */
939 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
940 # define HASUNAME	1	/* has uname(2) syscall */
941 # define HASSTRERROR	1	/* has strerror(3) */
942 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
943 # define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
944 # include <sys/cdefs.h>
945 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
946 # define BSD4_4_SOCKADDR	/* has sa_len */
947 # define NETLINK	1	/* supports AF_LINK */
948 # define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
949 # define GIDSET_T	gid_t
950 # define QUAD_T		unsigned long long
951 # define SFIO_STDIO_COMPAT	1	/* can use RES_DEBUG */
952 # ifndef LA_TYPE
953 #  define LA_TYPE	LA_SUBR
954 # endif /* ! LA_TYPE */
955 # define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
956 # if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
957 #  undef SPT_TYPE
958 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
959 # endif /* defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1) */
960 # if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3))
961 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
962 # endif /* defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3)) */
963 # if defined(__FreeBSD__)
964 #  define HASSETLOGIN	1	/* has setlogin(2) */
965 #  if __FreeBSD_version >= 227001
966 #   define HASSRANDOMDEV	1	/* has srandomdev(3) */
967 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
968 #  endif /* __FreeBSD_version >= 227001 */
969 #  undef SPT_TYPE
970 #  if __FreeBSD__ >= 2
971 #   include <osreldate.h>
972 #   if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
973 #    include <libutil.h>
974 #    define SPT_TYPE	SPT_BUILTIN
975 #   endif /* __FreeBSD_version >= 199512 */
976 #   if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
977 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
978 #   endif /* __FreeBSD_version >= 222000 */
979 #   if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
980 #    ifndef HASSTRL
981 #     define HASSTRL		1	/* has strlc{py,at}(3) functions */
982 #    endif /* HASSTRL */
983 #   endif /* __FreeBSD_version >= 330000 */
984 #   define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
985 #   include <sys/sysctl.h>
986 #  endif /* __FreeBSD__ >= 2 */
987 #  ifndef SPT_TYPE
988 #   define SPT_TYPE	SPT_REUSEARGV
989 #   define SPT_PADCHAR	'\0'		/* pad process title with nulls */
990 #  endif /* ! SPT_TYPE */
991 # endif /* defined(__FreeBSD__) */
992 # if defined(__OpenBSD__)
993 #  undef SPT_TYPE
994 #  define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
995 #  define HASSETLOGIN	1	/* has setlogin(2) */
996 #  define HASURANDOMDEV	1	/* has /dev/urandom(4) */
997 #  if OpenBSD < 199912
998 #   define HASSTRL	0	/* strlcat(3) is broken in 2.5 and earlier */
999 #  else /* OpenBSD < 199912 */
1000 #   define HASSTRL	1	/* has strlc{py,at}(3) functions */
1001 #  endif /* OpenBSD < 199912 */
1002 # endif /* defined(__OpenBSD__) */
1003 #endif /* defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
1004 
1005 
1006 /*
1007 **  Mach386
1008 **
1009 **	For mt Xinu's Mach386 system.
1010 */
1011 
1012 #if defined(MACH) && defined(i386) && !defined(__GNU__)
1013 # define MACH386	1
1014 # define HASUNSETENV	1	/* has unsetenv(3) call */
1015 # define HASINITGROUPS	1	/* has initgroups(3) call */
1016 # ifndef HASFLOCK
1017 #  define HASFLOCK	1	/* has flock(2) call */
1018 # endif /* ! HASFLOCK */
1019 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1020 # define NEEDSTRTOL	1	/* need the strtol() function */
1021 # define setpgid	setpgrp
1022 # ifndef LA_TYPE
1023 #  define LA_TYPE	LA_FLOAT
1024 # endif /* ! LA_TYPE */
1025 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1026 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
1027 # undef WEXITSTATUS
1028 # undef WIFEXITED
1029 # ifndef _PATH_VENDOR_CF
1030 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1031 # endif /* ! _PATH_VENDOR_CF */
1032 # ifndef _PATH_SENDMAILPID
1033 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1034 # endif /* ! _PATH_SENDMAILPID */
1035 #endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
1036 
1037 
1038 
1039 /*
1040 **  GNU OS (hurd)
1041 **	Largely BSD & posix compatible.
1042 **	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
1043 **	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
1044 */
1045 
1046 #if defined(__GNU__) && !defined(NeXT)
1047 # include <paths.h>
1048 # define HASFCHMOD	1	/* has fchmod(2) call */
1049 # define HASFCHOWN	1	/* has fchown(2) call */
1050 # define HASUNAME	1	/* has uname(2) call */
1051 # define HASUNSETENV	1	/* has unsetenv(3) call */
1052 # define HAS_ST_GEN	1	/* has st_gen field in stat struct */
1053 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
1054 # define HASSTRERROR	1	/* has strerror(3) */
1055 # define GIDSET_T	gid_t
1056 # define SOCKADDR_LEN_T	socklen_t
1057 # define SOCKOPT_LEN_T	socklen_t
1058 # if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
1059 #  define LA_TYPE	LA_SUBR
1060 # else
1061 #  define LA_TYPE	LA_MACH
1062    /* GNU uses mach[34], which renames some rpcs from mach2.x. */
1063 #  define host_self	mach_host_self
1064 # endif
1065 # define SFS_TYPE	SFS_STATFS
1066 # define SPT_TYPE	SPT_CHANGEARGV
1067 # define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
1068 # define BSD4_4_SOCKADDR	1	/* has sa_len */
1069 # define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
1070 # define HAS_IN_H	1	/* GNU has netinet/in.h. */
1071 /* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
1072 # define MAXPATHLEN	2048
1073 #endif /* defined(__GNU__) && !defined(NeXT) */
1074 
1075 /*
1076 **  4.3 BSD -- this is for very old systems
1077 **
1078 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
1079 **
1080 **	You'll also have to install a new resolver library.
1081 **	I don't guarantee that support for this environment is complete.
1082 */
1083 
1084 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1085 # define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1086 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1087 # define ARBPTR_T	char *
1088 # define setpgid	setpgrp
1089 # ifndef LA_TYPE
1090 #  define LA_TYPE	LA_FLOAT
1091 # endif /* ! LA_TYPE */
1092 # ifndef _PATH_VENDOR_CF
1093 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1094 # endif /* ! _PATH_VENDOR_CF */
1095 # ifndef IDENTPROTO
1096 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1097 # endif /* ! IDENTPROTO */
1098 # undef WEXITSTATUS
1099 # undef WIFEXITED
1100 typedef short		pid_t;
1101 #endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1102 
1103 
1104 /*
1105 **  SCO Unix
1106 **
1107 **	This includes three parts:
1108 **
1109 **	The first is for SCO OpenServer 5.
1110 **	(Contributed by Keith Reynolds <keithr@sco.COM>).
1111 **
1112 **		SCO OpenServer 5 has a compiler version number macro,
1113 **		which we can use to figure out what version we're on.
1114 **		This may have to change in future releases.
1115 **
1116 **	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1117 **	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1118 **
1119 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1120 */
1121 
1122 /* SCO OpenServer 5 */
1123 #if _SCO_DS >= 1
1124 # include <paths.h>
1125 # define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1126 # define HASSNPRINTF	1	/* has snprintf(3) call */
1127 # define HASFCHMOD	1	/* has fchmod(2) call */
1128 # define HASFCHOWN	1	/* has fchown(2) call */
1129 # define HASSETRLIMIT	1	/* has setrlimit(2) call */
1130 # define USESETEUID	1	/* has seteuid(2) call */
1131 # define HASINITGROUPS	1	/* has initgroups(3) call */
1132 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1133 # define RLIMIT_NEEDS_SYS_TIME_H	1
1134 # ifndef LA_TYPE
1135 #  define LA_TYPE	LA_DEVSHORT
1136 # endif /* ! LA_TYPE */
1137 # define _PATH_AVENRUN	"/dev/table/avenrun"
1138 # ifndef _SCO_unix_4_2
1139 #  define _SCO_unix_4_2
1140 # else /* ! _SCO_unix_4_2 */
1141 #  define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1142 #  define SOCKOPT_LEN_T		size_t	/* arg#5 to getsockopt */
1143 # endif /* ! _SCO_unix_4_2 */
1144 #endif /* _SCO_DS >= 1 */
1145 
1146 /* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1147 #ifdef _SCO_unix_4_2
1148 # define _SCO_unix_
1149 # define HASSETREUID	1	/* has setreuid(2) call */
1150 #endif /* _SCO_unix_4_2 */
1151 
1152 /* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1153 #ifdef _SCO_unix_
1154 # include <sys/stream.h>	/* needed for IP_SRCROUTE */
1155 # define SYSTEM5	1	/* include all the System V defines */
1156 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1157 # define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1158 # define USE_SIGLONGJMP	1	/* sigsetjmp needed for signal handling */
1159 # define MAXPATHLEN	PATHSIZE
1160 # define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1161 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1162 # define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1163 # define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1164 # define UID_T		uid_t
1165 # define GID_T		gid_t
1166 # define GIDSET_T	gid_t
1167 # define _PATH_UNIX		"/unix"
1168 # ifndef _PATH_VENDOR_CF
1169 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1170 # endif /* ! _PATH_VENDOR_CF */
1171 # ifndef _PATH_SENDMAILPID
1172 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1173 # endif /* ! _PATH_SENDMAILPID */
1174 
1175 /* stuff fixed in later releases */
1176 # ifndef _SCO_unix_4_2
1177 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1178 # endif /* ! _SCO_unix_4_2 */
1179 
1180 # ifndef _SCO_DS
1181 #  define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1182 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1183 #  define NETUNIX	0	/* no unix domain socket support */
1184 #  define LA_TYPE	LA_SHORT
1185 # endif /* ! _SCO_DS */
1186 
1187 #endif /* _SCO_unix_ */
1188 
1189 
1190 /*
1191 **  ISC (SunSoft) Unix.
1192 **
1193 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1194 */
1195 
1196 #ifdef ISC_UNIX
1197 # include <net/errno.h>
1198 # include <sys/stream.h>	/* needed for IP_SRCROUTE */
1199 # include <sys/bsdtypes.h>
1200 # define SYSTEM5	1	/* include all the System V defines */
1201 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1202 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1203 # define HASSETREUID	1	/* has setreuid(2) call */
1204 # define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1205 # define NETUNIX	0	/* no unix domain socket support */
1206 # define MAXPATHLEN	1024
1207 # define LA_TYPE	LA_SHORT
1208 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1209 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1210 # define _PATH_UNIX		"/unix"
1211 # ifndef _PATH_VENDOR_CF
1212 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1213 # endif /* ! _PATH_VENDOR_CF */
1214 # ifndef _PATH_SENDMAILPID
1215 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1216 # endif /* ! _PATH_SENDMAILPID */
1217 #endif /* ISC_UNIX */
1218 
1219 
1220 /*
1221 **  Altos System V (5.3.1)
1222 **	Contributed by Tim Rice <tim@trr.metro.net>.
1223 */
1224 
1225 #ifdef ALTOS_SYSTEM_V
1226 # include <sys/stream.h>
1227 # include <limits.h>
1228 # define SYSTEM5	1	/* include all the System V defines */
1229 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1230 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1231 # define WAITUNION	1	/* use "union wait" as wait argument type */
1232 # define NEEDFSYNC	1	/* no fsync(2) in system library */
1233 # define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1234 # define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1235 # define MAXPATHLEN	PATH_MAX
1236 # define LA_TYPE	LA_SHORT
1237 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1238 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1239 # define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1240 # define NETUNIX	0	/* no unix domain socket support */
1241 # undef WIFEXITED
1242 # undef WEXITSTATUS
1243 # define strtoul	strtol	/* gcc library bogosity */
1244 
1245 typedef unsigned short	uid_t;
1246 typedef unsigned short	gid_t;
1247 typedef short		pid_t;
1248 typedef unsigned long	mode_t;
1249 
1250 /* some stuff that should have been in the include files */
1251 extern char		*malloc();
1252 extern struct passwd	*getpwent();
1253 extern struct passwd	*getpwnam();
1254 extern struct passwd	*getpwuid();
1255 extern char		*getenv();
1256 extern struct group	*getgrgid();
1257 extern struct group	*getgrnam();
1258 
1259 #endif /* ALTOS_SYSTEM_V */
1260 
1261 
1262 /*
1263 **  ConvexOS 11.0 and later
1264 **
1265 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1266 **	works on 9.1 as well.
1267 **
1268 **  ConvexOS 11.5 and later, should work on 11.0 as defined.
1269 **  For pre-ConvexOOS 11.0, define NEEDGETOPT, undef IDENTPROTO
1270 **
1271 **	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1272 **		(now the CONVEX Technologies Center of Hewlett Packard)
1273 */
1274 
1275 #ifdef _CONVEX_SOURCE
1276 # define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1277 # define HASINITGROUPS	1	/* has initgroups(3) */
1278 # define HASUNAME	1	/* use System V uname(2) system call */
1279 # define HASSETSID	1	/* has POSIX setsid(2) call */
1280 # define HASUNSETENV	1	/* has unsetenv(3) */
1281 # define HASFLOCK	1	/* has flock(2) */
1282 # define HASSETRLIMIT	1	/* has setrlimit(2) */
1283 # define HASSETREUID	1	/* has setreuid(2) */
1284 # define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1285 # define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1286 # define NEEDGETOPT	0	/* need replacement for getopt(3) */
1287 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1288 # define LA_TYPE	LA_FLOAT
1289 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1290 # ifndef _PATH_VENDOR_CF
1291 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1292 # endif /* ! _PATH_VENDOR_CF */
1293 # ifndef S_IREAD
1294 #  define S_IREAD	_S_IREAD
1295 #  define S_IWRITE	_S_IWRITE
1296 #  define S_IEXEC	_S_IEXEC
1297 #  define S_IFMT	_S_IFMT
1298 #  define S_IFCHR	_S_IFCHR
1299 #  define S_IFBLK	_S_IFBLK
1300 # endif /* ! S_IREAD */
1301 # ifndef TZ_TYPE
1302 #  define TZ_TYPE	TZ_TIMEZONE
1303 # endif /* ! TZ_TYPE */
1304 # ifndef IDENTPROTO
1305 #  define IDENTPROTO	1
1306 # endif /* ! IDENTPROTO */
1307 # ifndef SHARE_V1
1308 #  define SHARE_V1	1	/* version 1 of the fair share scheduler */
1309 # endif /* ! SHARE_V1 */
1310 # if !defined(__GNUC__ )
1311 #  define UID_T	int		/* GNUC gets it right, ConvexC botches */
1312 #  define GID_T	int		/* GNUC gets it right, ConvexC botches */
1313 # endif /* !defined(__GNUC__ ) */
1314 # if SECUREWARE
1315 #  define FORK	fork		/* SecureWare wants the real fork! */
1316 # else /* SECUREWARE */
1317 #  define FORK	vfork		/* the rest of the OS versions don't care */
1318 # endif /* SECUREWARE */
1319 #endif /* _CONVEX_SOURCE */
1320 
1321 
1322 /*
1323 **  RISC/os 4.52
1324 **
1325 **	Gives a ton of warning messages, but otherwise compiles.
1326 */
1327 
1328 #ifdef RISCOS
1329 
1330 # define HASUNSETENV	1	/* has unsetenv(3) call */
1331 # ifndef HASFLOCK
1332 #  define HASFLOCK	1	/* has flock(2) call */
1333 # endif /* ! HASFLOCK */
1334 # define WAITUNION	1	/* use "union wait" as wait argument type */
1335 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1336 # define NEEDPUTENV	1	/* need putenv(3) call */
1337 # define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1338 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1339 # define LA_TYPE	LA_INT
1340 # define LA_AVENRUN	"avenrun"
1341 # define _PATH_UNIX	"/unix"
1342 # undef WIFEXITED
1343 
1344 # define setpgid	setpgrp
1345 
1346 typedef int		pid_t;
1347 # define SIGFUNC_DEFINED
1348 # define SIGFUNC_RETURN	(0)
1349 # define SIGFUNC_DECL	int
1350 typedef int		(*sigfunc_t)();
1351 extern char		*getenv();
1352 extern void		*malloc();
1353 
1354 /* added for RISC/os 4.01...which is dumber than 4.50 */
1355 # ifdef RISCOS_4_0
1356 #  ifndef ARBPTR_T
1357 #   define ARBPTR_T	char *
1358 #  endif /* ! ARBPTR_T */
1359 #  undef HASFLOCK
1360 #  define HASFLOCK	0
1361 # endif /* RISCOS_4_0 */
1362 
1363 # include <sys/time.h>
1364 
1365 #endif /* RISCOS */
1366 
1367 
1368 /*
1369 **  Linux 0.99pl10 and above...
1370 **
1371 **  Thanks to, in reverse order of contact:
1372 **
1373 **	John Kennedy <warlock@csuchico.edu>
1374 **	Andrew Pam <avatar@aus.xanadu.com>
1375 **	Florian La Roche <rzsfl@rz.uni-sb.de>
1376 **	Karl London <karl@borg.demon.co.uk>
1377 **
1378 **  Last compiled against:	[07/21/98 @ 11:47:34 AM (Tuesday)]
1379 **	sendmail 8.9.1		bind-8.1.2		db-2.4.14
1380 **	gcc-2.8.1		glibc-2.0.94		linux-2.1.109
1381 **
1382 **  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1383 **	file locking is no longer allowed.  In particular, make sure
1384 **	your DBM library and sendmail are both using either flock(2)
1385 **	*or* fcntl(2) file locking, but not both.
1386 */
1387 
1388 #ifdef __linux__
1389 # include <linux/version.h>
1390 # if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1391 #  define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1392 # endif /* KERNEL_VERSION */
1393 # define BSD		1	/* include BSD defines */
1394 # define USESETEUID	0	/* Have it due to POSIX, but doesn't work */
1395 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
1396 # define HASUNAME	1	/* use System V uname(2) system call */
1397 # define HASUNSETENV	1	/* has unsetenv(3) call */
1398 # ifndef HASSNPRINTF
1399 #  define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
1400 # endif /* ! HASSNPRINTF */
1401 # define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1402 # define GIDSET_T	gid_t	/* from <linux/types.h> */
1403 # define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1404 # ifndef IP_SRCROUTE
1405 #  define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1406 # endif /* ! IP_SRCROUTE */
1407 # ifndef HAS_IN_H
1408 #  define HAS_IN_H	1	/* use netinet/in.h */
1409 # endif /* ! HAS_IN_H */
1410 # define USE_SIGLONGJMP	1	/* sigsetjmp needed for signal handling */
1411 # ifndef HASFLOCK
1412 #  if LINUX_VERSION_CODE < 66399
1413 #   define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1414 #  else /* LINUX_VERSION_CODE < 66399 */
1415 #   define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1416 #  endif /* LINUX_VERSION_CODE < 66399 */
1417 # endif /* ! HASFLOCK */
1418 # ifndef LA_TYPE
1419 #  define LA_TYPE	LA_PROCSTR
1420 # endif /* ! LA_TYPE */
1421 # define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1422 # define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1423 # if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1424 #  ifndef HASURANDOMDEV
1425 #   define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1426 #  endif /* ! HASURANDOMDEV */
1427 # endif /* LINUX_VERSION_CODE */
1428 # ifndef TZ_TYPE
1429 #  define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1430 # endif /* ! TZ_TYPE */
1431 # ifndef _PATH_SENDMAILPID
1432 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1433 # endif /* ! _PATH_SENDMAILPID */
1434 # include <sys/sysmacros.h>
1435 # undef atol			/* wounded in <stdlib.h> */
1436 # if NETINET6
1437    /*
1438    **  Linux doesn't have a good way to tell userland what interfaces are
1439    **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1440    **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1441    **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1442    */
1443 #  define ADDRCONFIG_IS_BROKEN	1
1444 
1445    /*
1446    **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1447    **  in 2.1 and later, but the APIs appear before the functions.
1448    */
1449 #  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1450 #   define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__)
1451 #   if (GLIBC_VERSION >= 0x201)
1452 #    undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1453 #   else /* (GLIBC_VERSION >= 0x201) */
1454 #    include <linux/in6.h>	/* IPv6 support */
1455 #   endif /* (GLIBC_VERSION >= 0x201) */
1456 #   if (GLIBC_VERSION == 0x201 && !defined(NEEDSGETIPNODE))
1457      /* Have APIs in <netdb.h>, but no support in glibc */
1458 #    define NEEDSGETIPNODE	1
1459 #   endif /* (GLIBC_VERSION == 0x201 && ! NEEDSGETIPNODE) */
1460 #   undef GLIBC_VERSION
1461 #  endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1462 # endif /* NETINET6 */
1463 # ifndef HASFCHOWN
1464 #  define HASFCHOWN	1	/* fchown(2) */
1465 # endif /* ! HASFCHOWN */
1466 #endif /* __linux__ */
1467 
1468 
1469 /*
1470 **  DELL SVR4 Issue 2.2, and others
1471 **	From Kimmo Suominen <kim@grendel.lut.fi>
1472 **
1473 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1474 **	defined, and the definitions conflict.
1475 **
1476 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1477 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1478 **	(SVR4.0/386 version 3.0).
1479 */
1480 
1481 #ifdef DELL_SVR4
1482 				/* no changes necessary */
1483 				/* see general __svr4__ defines below */
1484 #endif /* DELL_SVR4 */
1485 
1486 
1487 /*
1488 **  Apple A/UX 3.0
1489 */
1490 
1491 #ifdef _AUX_SOURCE
1492 # include <sys/sysmacros.h>
1493 # define BSD			/* has BSD routines */
1494 # define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1495 # define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1496 # define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1497 # define HASUNAME	1	/* use System V uname(2) system call */
1498 # define HASFCHMOD	1	/* has fchmod(2) syscall */
1499 # define HASINITGROUPS	1	/* has initgroups(3) call */
1500 # define HASSETVBUF	1	/* has setvbuf(3) in libc */
1501 # define HASSTRERROR	1	/* has strerror(3) */
1502 # define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1503 # define SIGFUNC_RETURN		/* POSIX-mode */
1504 # define SIGFUNC_DECL	void	/* POSIX-mode */
1505 # define ERRLIST_PREDEFINED	1
1506 # ifndef IDENTPROTO
1507 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1508 # endif /* ! IDENTPROTO */
1509 # ifndef LA_TYPE
1510 #  define LA_TYPE	LA_INT
1511 #  define FSHIFT	16
1512 # endif /* ! LA_TYPE */
1513 # define LA_AVENRUN	"avenrun"
1514 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1515 # define TZ_TYPE	TZ_TZNAME
1516 # ifndef _PATH_UNIX
1517 #  define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1518 # endif /* ! _PATH_UNIX */
1519 # ifndef _PATH_VENDOR_CF
1520 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1521 # endif /* ! _PATH_VENDOR_CF */
1522 # undef WIFEXITED
1523 # undef WEXITSTATUS
1524 #endif /* _AUX_SOURCE */
1525 
1526 
1527 /*
1528 **  Encore UMAX V
1529 **
1530 **	Not extensively tested.
1531 */
1532 
1533 #ifdef UMAXV
1534 # define HASUNAME	1	/* use System V uname(2) system call */
1535 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1536 # define HASINITGROUPS	1	/* has initgroups(3) call */
1537 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1538 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1539 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1540 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1541 # define MAXPATHLEN	PATH_MAX
1542 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1543 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1544 # undef WIFEXITED
1545 # undef WEXITSTATUS
1546 #endif /* UMAXV */
1547 
1548 
1549 /*
1550 **  Stardent Titan 3000 running TitanOS 4.2.
1551 **
1552 **	Must be compiled in "cc -43" mode.
1553 **
1554 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1555 **
1556 **	Note the tweaking below after the BSD defines are set.
1557 */
1558 
1559 #ifdef titan
1560 # define setpgid	setpgrp
1561 typedef int		pid_t;
1562 # undef WIFEXITED
1563 # undef WEXITSTATUS
1564 #endif /* titan */
1565 
1566 
1567 /*
1568 **  Sequent DYNIX 3.2.0
1569 **
1570 **	From Jim Davis <jdavis@cs.arizona.edu>.
1571 */
1572 
1573 #ifdef sequent
1574 
1575 # define BSD		1
1576 # define HASUNSETENV	1
1577 # define BSD4_3		1	/* to get signal() in conf.c */
1578 # define WAITUNION	1
1579 # define LA_TYPE	LA_FLOAT
1580 # ifdef _POSIX_VERSION
1581 #  undef _POSIX_VERSION		/* set in <unistd.h> */
1582 # endif /* _POSIX_VERSION */
1583 # undef HASSETVBUF		/* don't actually have setvbuf(3) */
1584 # define setpgid	setpgrp
1585 
1586 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1587 # undef	WIFEXITED
1588 # define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1589 			 ((union wait*)&(s))->w_termsig == 0)
1590 # define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1591 typedef int		pid_t;
1592 # define isgraph(c)	(isprint(c) && (c != ' '))
1593 
1594 # ifndef IDENTPROTO
1595 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1596 # endif /* ! IDENTPROTO */
1597 
1598 # ifndef _PATH_UNIX
1599 #  define _PATH_UNIX		"/dynix"
1600 # endif /* ! _PATH_UNIX */
1601 # ifndef _PATH_VENDOR_CF
1602 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1603 # endif /* ! _PATH_VENDOR_CF */
1604 #endif /* sequent */
1605 
1606 
1607 /*
1608 **  Sequent DYNIX/ptx v2.0 (and higher)
1609 **
1610 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
1611 **
1612 **	From Tim Wright <timw@sequent.com>.
1613 **	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1614 **		for DYNIX/ptx 4.0.2.
1615 */
1616 
1617 #ifdef _SEQUENT_
1618 # include <sys/stream.h>
1619 # define SYSTEM5	1	/* include all the System V defines */
1620 # define HASSETSID	1	/* has POSIX setsid(2) call */
1621 # define HASINITGROUPS	1	/* has initgroups(3) call */
1622 # define HASSETREUID	1	/* has setreuid(2) call */
1623 # define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1624 # define GIDSET_T	gid_t
1625 # define LA_TYPE	LA_INT
1626 # define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1627 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1628 # ifndef IDENTPROTO
1629 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1630 # endif /* ! IDENTPROTO */
1631 # ifndef _PATH_VENDOR_CF
1632 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1633 # endif /* ! _PATH_VENDOR_CF */
1634 # ifndef _PATH_SENDMAILPID
1635 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1636 # endif /* ! _PATH_SENDMAILPID */
1637 #endif /* _SEQUENT_ */
1638 
1639 
1640 /*
1641 **  Cray Unicos
1642 **
1643 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
1644 */
1645 
1646 #ifdef UNICOS
1647 # define SYSTEM5	1	/* include all the System V defines */
1648 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1649 # define MAXPATHLEN	PATHSIZE
1650 # define LA_TYPE	LA_ZERO
1651 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1652 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1653 #endif /* UNICOS */
1654 
1655 
1656 /*
1657 **  Apollo DomainOS
1658 **
1659 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1660 **
1661 **  15 Jan 1994; updated 2 Aug 1995
1662 **
1663 */
1664 
1665 #ifdef apollo
1666 # define HASSETREUID	1	/* has setreuid(2) call */
1667 # define HASINITGROUPS	1	/* has initgroups(2) call */
1668 # define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1669 # define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1670 # define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1671 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1672 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1673 # define TZ_TYPE	TZ_TZNAME
1674 # ifndef _PATH_VENDOR_CF
1675 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1676 # endif /* ! _PATH_VENDOR_CF */
1677 # ifndef _PATH_SENDMAILPID
1678 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1679 # endif /* ! _PATH_SENDMAILPID */
1680 # undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1681 # undef	 S_IFIFO
1682 # define S_IFIFO	0010000
1683 # ifndef IDENTPROTO
1684 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1685 # endif /* ! IDENTPROTO */
1686 # define RLIMIT_NEEDS_SYS_TIME_H	1
1687 # if defined(NGROUPS_MAX) && !NGROUPS_MAX
1688 #  undef NGROUPS_MAX
1689 # endif /* defined(NGROUPS_MAX) && !NGROUPS_MAX */
1690 #endif /* apollo */
1691 
1692 /*
1693 **  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1694 **
1695 **	Contributed by Paul Gampe <paulg@apnic.net>
1696 */
1697 
1698 #ifdef __svr5__
1699 # include <sys/mkdev.h>
1700 # define __svr4__
1701 # define SYS5SIGNALS		1
1702 # define HASSETSID		1
1703 # define HASSETREUID		1
1704 # define HASWAITPID		1
1705 # define HASGETDTABLESIZE	1
1706 # define GIDSET_T		gid_t
1707 # define SOCKADDR_LEN_T		size_t
1708 # define SOCKOPT_LEN_T		size_t
1709 # ifndef _PATH_UNIX
1710 #  define _PATH_UNIX		"/stand/unix"
1711 # endif /* ! _PATH_UNIX */
1712 # define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1713 # ifndef SYSLOG_BUFSIZE
1714 #  define SYSLOG_BUFSIZE	1024	/* unsure */
1715 # endif /* SYSLOG_BUFSIZE */
1716 # ifndef _PATH_VENDOR_CF
1717 #  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1718 # endif /* ! _PATH_VENDOR_CF */
1719 # ifndef _PATH_SENDMAILPID
1720 #  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1721 # endif /* ! _PATH_SENDMAILPID */
1722 #endif /* __svr5__ */
1723 
1724 /* ###################################################################### */
1725 
1726 /*
1727 **  UnixWare 2.x
1728 */
1729 
1730 #ifdef UNIXWARE2
1731 # define UNIXWARE	1
1732 # define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
1733 # undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1734 #endif /* UNIXWARE2 */
1735 
1736 
1737 /*
1738 **  UnixWare 1.1.2.
1739 **
1740 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1741 **	From Evan Champion <evanc@spatial.synapse.org>.
1742 */
1743 
1744 #ifdef UNIXWARE
1745 # include <sys/mkdev.h>
1746 # define SYSTEM5		1
1747 # define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1748 # define HASSETREUID		1
1749 # define HASSETSID		1
1750 # define HASINITGROUPS		1
1751 # define GIDSET_T		gid_t
1752 # define SLEEP_T		unsigned
1753 # define SFS_TYPE		SFS_STATVFS
1754 # define LA_TYPE		LA_ZERO
1755 # undef WIFEXITED
1756 # undef WEXITSTATUS
1757 # ifndef _PATH_UNIX
1758 #  define _PATH_UNIX		"/unix"
1759 # endif /* ! _PATH_UNIX */
1760 # ifndef _PATH_VENDOR_CF
1761 #  define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1762 # endif /* ! _PATH_VENDOR_CF */
1763 # ifndef _PATH_SENDMAILPID
1764 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1765 # endif /* ! _PATH_SENDMAILPID */
1766 # define SYSLOG_BUFSIZE	128
1767 #endif /* UNIXWARE */
1768 
1769 
1770 /*
1771 **  Intergraph CLIX 3.1
1772 **
1773 **	From Paul Southworth <pauls@locust.cic.net>
1774 */
1775 
1776 #ifdef CLIX
1777 # define SYSTEM5	1	/* looks like System V */
1778 # ifndef HASGETUSERSHELL
1779 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1780 # endif /* ! HASGETUSERSHELL */
1781 # define DEV_BSIZE	512	/* device block size not defined */
1782 # define GIDSET_T	gid_t
1783 # undef LOG			/* syslog not available */
1784 # define NEEDFSYNC	1	/* no fsync in system library */
1785 # define GETSHORT	_getshort
1786 #endif /* CLIX */
1787 
1788 
1789 /*
1790 **  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
1791 **
1792 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1793 */
1794 
1795 #ifdef NCR_MP_RAS2
1796 # include <sys/sockio.h>
1797 # define __svr4__
1798 # define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1799 # define SYSLOG_BUFSIZE	1024
1800 # define SPT_TYPE  SPT_NONE
1801 #endif /* NCR_MP_RAS2 */
1802 
1803 
1804 /*
1805 **  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
1806 **
1807 **	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
1808 */
1809 
1810 #ifdef NCR_MP_RAS3
1811 # define __svr4__
1812 # define HASFCHOWN	1	/* has fchown(2) call */
1813 # define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
1814 # define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
1815 # define SYSLOG_BUFSIZE	1024
1816 # define SPT_TYPE	SPT_NONE
1817 # ifndef _XOPEN_SOURCE
1818 #  define _XOPEN_SOURCE
1819 #  define _XOPEN_SOURCE_EXTENDED 1
1820 #  include <sys/resource.h>
1821 #  undef _XOPEN_SOURCE
1822 #  undef _XOPEN_SOURCE_EXTENDED
1823 # endif /* ! _XOPEN_SOURCE */
1824 #endif /* NCR_MP_RAS3 */
1825 
1826 
1827 /*
1828 **  Tandem NonStop-UX SVR4
1829 **
1830 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1831 */
1832 
1833 #ifdef NonStop_UX_BXX
1834 # define __svr4__
1835 #endif /* NonStop_UX_BXX */
1836 
1837 
1838 /*
1839 **  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
1840 **
1841 **	Tested for 1.04, 1.03
1842 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1843 **
1844 **	Tested for 4.02, 6.10 and 7.10
1845 **	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
1846 */
1847 
1848 #if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
1849 # define SYSTEM5	1	/* include all the System V defines */
1850 # define HASINITGROUPS	1	/* has initgroups(3) call */
1851 # define HASFCHMOD	1	/* has fchmod(2) syscall */
1852 # define setreuid(r, e)	setresuid(r, e, -1)
1853 # define LA_TYPE	LA_FLOAT
1854 # define SPT_TYPE	SPT_PSTAT
1855 # define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1856 # ifndef HASSETVBUF
1857 #  define HASSETVBUF	/* HI-UX has no setlinebuf */
1858 # endif /* ! HASSETVBUF */
1859 # ifndef GIDSET_T
1860 #  define GIDSET_T	gid_t
1861 # endif /* ! GIDSET_T */
1862 # ifndef _PATH_UNIX
1863 #  define _PATH_UNIX		"/HI-UX"
1864 # endif /* ! _PATH_UNIX */
1865 # ifndef _PATH_VENDOR_CF
1866 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1867 # endif /* ! _PATH_VENDOR_CF */
1868 # ifndef IDENTPROTO
1869 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
1870 # endif /* ! IDENTPROTO */
1871 # ifndef HASGETUSERSHELL
1872 #  define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1873 # endif /* ! HASGETUSERSHELL */
1874 # define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
1875 
1876 /*
1877 **  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
1878 **  on HIUX 3050
1879 */
1880 # undef m_flags
1881 
1882 # ifdef __STDC__
1883 extern int	syslog(int, char *, ...);
1884 # else /* __STDC__ */
1885 extern int	syslog();
1886 # endif /* __STDC__ */
1887 
1888 #endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
1889 
1890 
1891 /*
1892 **  Amdahl UTS System V 2.1.5 (SVr3-based)
1893 **
1894 **    From: Janet Jackson <janet@dialix.oz.au>.
1895 */
1896 
1897 #ifdef _UTS
1898 # include <sys/sysmacros.h>
1899 # undef HASLSTAT		/* has symlinks, but they cause problems */
1900 # define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
1901 # define SYS5SIGNALS	1	/* System V signal semantics */
1902 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1903 # define HASUNAME	1	/* use System V uname(2) system call */
1904 # define HASINITGROUPS	1	/* has initgroups(3) function */
1905 # define HASSETVBUF	1	/* has setvbuf(3) function */
1906 # ifndef HASGETUSERSHELL
1907 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
1908 # endif /* ! HASGETUSERSHELL */
1909 # define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
1910 # define LA_TYPE	LA_ZERO		/* doesn't have load average */
1911 # define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
1912 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1913 # define _PATH_UNIX		"/unix"
1914 # ifndef _PATH_VENDOR_CF
1915 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1916 # endif /* ! _PATH_VENDOR_CF */
1917 #endif /* _UTS */
1918 
1919 /*
1920 **  Cray Computer Corporation's CSOS
1921 **
1922 **	From Scott Bolte <scott@craycos.com>.
1923 */
1924 
1925 #ifdef _CRAYCOM
1926 # define SYSTEM5	1	/* include all the System V defines */
1927 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1928 # define NEEDFSYNC	1	/* no fsync in system library */
1929 # define MAXPATHLEN	PATHSIZE
1930 # define LA_TYPE	LA_ZERO
1931 # define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1932 # define SFS_BAVAIL	f_bfree		/* alternate field name */
1933 # define _POSIX_CHOWN_RESTRICTED	-1
1934 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1935 #endif /* _CRAYCOM */
1936 
1937 
1938 /*
1939 **  Sony NEWS-OS 4.2.1R and 6.0.3
1940 **
1941 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1942 */
1943 
1944 #ifdef sony_news
1945 # ifndef __svr4
1946 			/* NEWS-OS 4.2.1R */
1947 #  ifndef BSD
1948 #   define BSD			/* has BSD routines */
1949 #  endif /* ! BSD */
1950 #  define HASUNSETENV	1	/* has unsetenv(2) call */
1951 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1952 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1953 #  define LA_TYPE	LA_INT
1954 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1955 #  ifndef HASFLOCK
1956 #   define HASFLOCK	1	/* has flock(2) call */
1957 #  endif /* ! HASFLOCK */
1958 #  define setpgid	setpgrp
1959 #  undef WIFEXITED
1960 #  undef WEXITSTATUS
1961 #  define MODE_T	int	/* system include files have no mode_t */
1962 typedef int		pid_t;
1963 typedef int		(*sigfunc_t)();
1964 #  define SIGFUNC_DEFINED
1965 #  define SIGFUNC_RETURN	(0)
1966 #  define SIGFUNC_DECL		int
1967 
1968 # else /* ! __svr4 */
1969 			/* NEWS-OS 6.0.3 with /bin/cc */
1970 #  ifndef __svr4__
1971 #   define __svr4__		/* use all System V Release 4 defines below */
1972 #  endif /* ! __svr4__ */
1973 #  define HASSETSID	1	/* has Posix setsid(2) call */
1974 #  define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
1975 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1976 #  ifndef SPT_TYPE
1977 #   define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
1978 #  endif /* ! SPT_TYPE */
1979 #  define GIDSET_T	gid_t
1980 #  undef WIFEXITED
1981 #  undef WEXITSTATUS
1982 #  ifndef SYSLOG_BUFSIZE
1983 #   define SYSLOG_BUFSIZE	256
1984 #  endif /* ! SYSLOG_BUFSIZE */
1985 #  define _PATH_UNIX		"/stand/unix"
1986 #  ifndef _PATH_VENDOR_CF
1987 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
1988 #  endif /* ! _PATH_VENDOR_CF */
1989 #  ifndef _PATH_SENDMAILPID
1990 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
1991 #  endif /* ! _PATH_SENDMAILPID */
1992 
1993 # endif /* ! __svr4 */
1994 #endif /* sony_news */
1995 
1996 
1997 /*
1998 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
1999 **
2000 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2001 */
2002 
2003 #ifdef luna
2004 # ifndef IDENTPROTO
2005 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
2006 # endif /* ! IDENTPROTO */
2007 # define HASUNSETENV	1	/* has unsetenv(2) call */
2008 # define NEEDPUTENV	1	/* need putenv(3) call */
2009 # define NEEDGETOPT	1	/* need a replacement for getopt(3) */
2010 # define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2011 # define WAITUNION	1	/* use "union wait" as wait argument type */
2012 # ifdef uniosb
2013 #  include <sys/time.h>
2014 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2015 #  define LA_TYPE	LA_INT
2016 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2017 # endif /* uniosb */
2018 # ifdef luna2
2019 #  define LA_TYPE	LA_SUBR
2020 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2021 # endif /* luna2 */
2022 # ifdef luna88k
2023 #  define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
2024 #  define LA_TYPE	LA_INT
2025 # endif /* luna88k */
2026 # define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2027 # define setpgid	setpgrp
2028 # undef WIFEXITED
2029 # undef WEXITSTATUS
2030 typedef int		pid_t;
2031 typedef int		(*sigfunc_t)();
2032 # define SIGFUNC_DEFINED
2033 # define SIGFUNC_RETURN	(0)
2034 # define SIGFUNC_DECL	int
2035 extern char	*getenv();
2036 # ifndef _PATH_VENDOR_CF
2037 #  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2038 # endif /* ! _PATH_VENDOR_CF */
2039 #endif /* luna */
2040 
2041 
2042 /*
2043 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2044 **
2045 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2046 */
2047 
2048 #if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2049 # ifndef __svr4__
2050 #  define __svr4__		/* use all System V Release 4 defines below */
2051 # endif /* ! __svr4__ */
2052 # define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2053 # define HASSETSID	1	/* has Posix setsid(2) call */
2054 # define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2055 # define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2056 # define GIDSET_T	gid_t
2057 # undef WIFEXITED
2058 # undef WEXITSTATUS
2059 # define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2060 # ifndef _PATH_VENDOR_CF
2061 #  define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2062 # endif /* ! _PATH_VENDOR_CF */
2063 # ifndef _PATH_SENDMAILPID
2064 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2065 # endif /* ! _PATH_SENDMAILPID */
2066 # ifndef SYSLOG_BUFSIZE
2067 #  define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2068 # endif /* ! SYSLOG_BUFSIZE */
2069 #endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2070 
2071 
2072 /*
2073 **  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2074 **
2075 **	From Diego R. Lopez <drlopez@cica.es>.
2076 **	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2077 **		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2078 */
2079 
2080 #ifdef __uxp__
2081 # include <arpa/nameser.h>
2082 # include <sys/sysmacros.h>
2083 # include <sys/mkdev.h>
2084 # define __svr4__
2085 # define HASGETUSERSHELL	0
2086 # define HASFLOCK		0
2087 # if UXPDS == 10
2088 #  define HASSNPRINTF		0	/* no snprintf(3) or vsnprintf(3) */
2089 # else /* UXPDS == 10 */
2090 #  define HASSNPRINTF		1	/* has snprintf(3) and vsnprintf(3) */
2091 # endif /* UXPDS == 10 */
2092 # define _PATH_UNIX		"/stand/unix"
2093 # ifndef _PATH_VENDOR_CF
2094 #  define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2095 # endif /* ! _PATH_VENDOR_CF */
2096 # ifndef _PATH_SENDMAILPID
2097 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2098 # endif /* ! _PATH_SENDMAILPID */
2099 #endif /* __uxp__ */
2100 
2101 /*
2102 **  Pyramid DC/OSx
2103 **
2104 **	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2105 */
2106 
2107 #ifdef DCOSx
2108 # define GIDSET_T	gid_t
2109 # ifndef IDENTPROTO
2110 #  define IDENTPROTO	0	/* TCP/IP implementation is broken */
2111 # endif /* ! IDENTPROTO */
2112 #endif /* DCOSx */
2113 
2114 /*
2115 **  Concurrent Computer Corporation Maxion
2116 **
2117 **	From Donald R. Laster Jr. <laster@access.digex.net>.
2118 */
2119 
2120 #ifdef __MAXION__
2121 
2122 # include <sys/stream.h>
2123 # define __svr4__		1	/* SVR4.2MP */
2124 # define HASSETREUID		1	/* have setreuid(2) */
2125 # define HASLSTAT		1	/* have lstat(2) */
2126 # define HASSETRLIMIT		1	/* have setrlimit(2) */
2127 # define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2128 # define HASSNPRINTF		1	/* have snprintf(3) */
2129 # define HASGETUSERSHELL	1	/* have getusershell(3) */
2130 # define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2131 # define SLEEP_T		unsigned
2132 # define SFS_TYPE		SFS_STATVFS
2133 # define SFS_BAVAIL		f_bavail
2134 # ifndef SYSLOG_BUFSIZE
2135 #  define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2136 # endif /* ! SYSLOG_BUFSIZE */
2137 
2138 # undef WUNTRACED
2139 # undef WIFEXITED
2140 # undef WIFSIGNALED
2141 # undef WIFSTOPPED
2142 # undef WEXITSTATUS
2143 # undef WTERMSIG
2144 # undef WSTOPSIG
2145 
2146 #endif /* __MAXION__ */
2147 
2148 /*
2149 **  Harris Nighthawk PowerUX (nh6000 box)
2150 **
2151 **  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2152 */
2153 
2154 #ifdef _PowerUX
2155 # ifndef __svr4__
2156 #  define __svr4__
2157 # endif /* ! __svr4__ */
2158 # ifndef _PATH_VENDOR_CF
2159 #  define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2160 # endif /* ! _PATH_VENDOR_CF */
2161 # ifndef _PATH_SENDMAILPID
2162 #  define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2163 # endif /* ! _PATH_SENDMAILPID */
2164 # define SYSLOG_BUFSIZE		1024
2165 # define HASSNPRINTF		1	/* has snprintf(3) and vsnprintf(3) */
2166 # define LA_TYPE		LA_ZERO
2167 typedef struct msgb		mblk_t;
2168 # undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2169 #endif /* _PowerUX */
2170 
2171 /*
2172 **  Siemens Nixdorf Informationssysteme AG SINIX
2173 **
2174 **	Contributed by Gerald Rinske <Gerald.Rinske@mch.sni.de>
2175 **	of Siemens Business Services VAS.
2176 */
2177 #ifdef sinix
2178 # define HASRANDOM		0	/* has random(3) */
2179 # define SYSLOG_BUFSIZE		1024
2180 #endif /* sinix */
2181 
2182 /*
2183 **  CRAY T3E
2184 **
2185 **	Contributed by Manu Mahonen <mailadm@csc.fi>
2186 **	of Center for Scientific Computing.
2187 */
2188 #ifdef _CRAY
2189 # define GET_IPOPT_DST(dst)	*(struct in_addr *)&(dst)
2190 #endif /* _CRAY */
2191 
2192 /*
2193 **  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2194 **
2195 **	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2196 */
2197 
2198 #ifdef MOTO
2199 # define HASFCHMOD		1
2200 # define HASSETRLIMIT		0
2201 # define HASSETSID		1
2202 # define HASSETREUID		1
2203 # define HASULIMIT		1
2204 # define HASWAITPID		1
2205 # define HASGETDTABLESIZE	1
2206 # define HASGETUSERSHELL	1
2207 # define IP_SRCROUTE		0
2208 # define IDENTPROTO		0
2209 # define RES_DNSRCH_VARIABLE	_res_dnsrch
2210 # define _PATH_UNIX		"/unix"
2211 # define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2212 # define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2213 #endif /* MOTO */
2214 
2215 
2216 /**********************************************************************
2217 **  End of Per-Operating System defines
2218 **********************************************************************/
2219 /**********************************************************************
2220 **  More general defines
2221 **********************************************************************/
2222 
2223 /* general BSD defines */
2224 #ifdef BSD
2225 # define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2226 # define HASSETREUID	1	/* has setreuid(2) call */
2227 # define HASINITGROUPS	1	/* has initgroups(3) call */
2228 # ifndef IP_SRCROUTE
2229 #  define IP_SRCROUTE	1	/* can check IP source routing */
2230 # endif /* ! IP_SRCROUTE */
2231 # ifndef HASSETRLIMIT
2232 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
2233 # endif /* ! HASSETRLIMIT */
2234 # ifndef HASFLOCK
2235 #  define HASFLOCK	1	/* has flock(2) call */
2236 # endif /* ! HASFLOCK */
2237 # ifndef TZ_TYPE
2238 #  define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2239 # endif /* ! TZ_TYPE */
2240 #endif /* BSD */
2241 
2242 /* general System V Release 4 defines */
2243 #ifdef __svr4__
2244 # define SYSTEM5	1
2245 # define USESETEUID	1	/* has usable seteuid(2) call */
2246 # define HASINITGROUPS	1	/* has initgroups(3) call */
2247 # define BSD_COMP	1	/* get BSD ioctl calls */
2248 # ifndef HASSETRLIMIT
2249 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
2250 # endif /* ! HASSETRLIMIT */
2251 # ifndef HASGETUSERSHELL
2252 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2253 # endif /* ! HASGETUSERSHELL */
2254 # ifndef HASFCHMOD
2255 #  define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2256 # endif /* ! HASFCHMOD */
2257 
2258 # ifndef _PATH_UNIX
2259 #  define _PATH_UNIX		"/unix"
2260 # endif /* ! _PATH_UNIX */
2261 # ifndef _PATH_VENDOR_CF
2262 #  define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2263 # endif /* ! _PATH_VENDOR_CF */
2264 # ifndef _PATH_SENDMAILPID
2265 #  define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2266 # endif /* ! _PATH_SENDMAILPID */
2267 # ifndef SYSLOG_BUFSIZE
2268 #  define SYSLOG_BUFSIZE	128
2269 # endif /* ! SYSLOG_BUFSIZE */
2270 # ifndef SFS_TYPE
2271 #  define SFS_TYPE		SFS_STATVFS
2272 # endif /* ! SFS_TYPE */
2273 
2274 # define USE_SIGLONGJMP	1	/* sigsetjmp needed for signal handling */
2275 #endif /* __svr4__ */
2276 
2277 /* general System V defines */
2278 #ifdef SYSTEM5
2279 # include <sys/sysmacros.h>
2280 # define HASUNAME	1	/* use System V uname(2) system call */
2281 # define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2282 # define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2283 # ifndef HASULIMIT
2284 #  define HASULIMIT	1	/* has the ulimit(2) syscall */
2285 # endif /* ! HASULIMIT */
2286 # ifndef LA_TYPE
2287 #  ifdef MIOC_READKSYM
2288 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2289 #  else /* MIOC_READKSYM */
2290 #   define LA_TYPE	LA_INT		/* assume integer load average */
2291 #  endif /* MIOC_READKSYM */
2292 # endif /* ! LA_TYPE */
2293 # ifndef SFS_TYPE
2294 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2295 # endif /* ! SFS_TYPE */
2296 # ifndef TZ_TYPE
2297 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2298 # endif /* ! TZ_TYPE */
2299 #endif /* SYSTEM5 */
2300 
2301 /* general POSIX defines */
2302 #ifdef _POSIX_VERSION
2303 # define HASSETSID	1	/* has Posix setsid(2) call */
2304 # define HASWAITPID	1	/* has Posix waitpid(2) call */
2305 # if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2306 #  define USESETEUID	1	/* has usable seteuid(2) call */
2307 # endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2308 #endif /* _POSIX_VERSION */
2309 /*
2310 **  Tweaking for systems that (for example) claim to be BSD or POSIX
2311 **  but don't have all the standard BSD or POSIX routines (boo hiss).
2312 */
2313 
2314 #ifdef titan
2315 # undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2316 #endif /* titan */
2317 
2318 #ifdef _CRAYCOM
2319 # undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2320 #endif /* _CRAYCOM */
2321 
2322 #ifdef MOTO
2323 # undef USESETEUID
2324 #endif /* MOTO */
2325 
2326 /*
2327 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2328 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2329 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2330 **  are closed.  Some firewalls return this error if you try to connect
2331 **  to the IDENT port (113), so you can't receive email from these hosts
2332 **  on these systems.  The firewall really should use a more specific
2333 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2334 **  not explicitly set to zero above, default it on.
2335 */
2336 
2337 #ifndef IDENTPROTO
2338 # define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2339 #endif /* ! IDENTPROTO */
2340 
2341 #ifndef IP_SRCROUTE
2342 # define IP_SRCROUTE	1	/* Detect IP source routing */
2343 #endif /* ! IP_SRCROUTE */
2344 
2345 #ifndef HASGETUSERSHELL
2346 # define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2347 #endif /* ! HASGETUSERSHELL */
2348 
2349 #ifndef NETUNIX
2350 # define NETUNIX	1	/* include unix domain support */
2351 #endif /* ! NETUNIX */
2352 
2353 #ifndef HASRANDOM
2354 # define HASRANDOM	1	/* has random(3) support */
2355 #endif /* ! HASRANDOM */
2356 
2357 #ifndef HASFLOCK
2358 # define HASFLOCK	0	/* assume no flock(2) support */
2359 #endif /* ! HASFLOCK */
2360 
2361 #ifndef HASSETREUID
2362 # define HASSETREUID	0	/* assume no setreuid(2) call */
2363 #endif /* ! HASSETREUID */
2364 
2365 #ifndef HASFCHMOD
2366 # define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2367 #endif /* ! HASFCHMOD */
2368 
2369 #ifndef USESETEUID
2370 # define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2371 #endif /* ! USESETEUID */
2372 
2373 #ifndef HASSETRLIMIT
2374 # define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2375 #endif /* ! HASSETRLIMIT */
2376 
2377 #ifndef HASULIMIT
2378 # define HASULIMIT	0	/* assume no ulimit(2) support */
2379 #endif /* ! HASULIMIT */
2380 
2381 #ifndef SECUREWARE
2382 # define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2383 #endif /* ! SECUREWARE */
2384 
2385 #ifndef USE_SIGLONGJMP
2386 # define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2387 #endif /* ! USE_SIGLONGJMP */
2388 
2389 #ifndef FDSET_CAST
2390 # define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2391 #endif /* ! FDSET_CAST */
2392 
2393 /*
2394 **  Pick a mailer setuid method for changing the current uid
2395 */
2396 
2397 #define USE_SETEUID	0
2398 #define USE_SETREUID	1
2399 #define USE_SETUID	2
2400 
2401 #if USESETEUID
2402 # define MAILER_SETUID_METHOD	USE_SETEUID
2403 #else /* USESETEUID */
2404 # if HASSETREUID
2405 #  define MAILER_SETUID_METHOD	USE_SETREUID
2406 # else /* HASSETREUID */
2407 #  define MAILER_SETUID_METHOD	USE_SETUID
2408 # endif /* HASSETREUID */
2409 #endif /* USESETEUID */
2410 
2411 /*
2412 **  If no type for argument two of getgroups call is defined, assume
2413 **  it's an integer -- unfortunately, there seem to be several choices
2414 **  here.
2415 */
2416 
2417 #ifndef GIDSET_T
2418 # define GIDSET_T	int
2419 #endif /* ! GIDSET_T */
2420 
2421 #ifndef UID_T
2422 # define UID_T		uid_t
2423 #endif /* ! UID_T */
2424 
2425 #ifndef GID_T
2426 # define GID_T		gid_t
2427 #endif /* ! GID_T */
2428 
2429 #ifndef SIZE_T
2430 # define SIZE_T		size_t
2431 #endif /* ! SIZE_T */
2432 
2433 #ifndef MODE_T
2434 # define MODE_T		mode_t
2435 #endif /* ! MODE_T */
2436 
2437 #ifndef ARGV_T
2438 # define ARGV_T		char **
2439 #endif /* ! ARGV_T */
2440 
2441 #ifndef SOCKADDR_LEN_T
2442 # define SOCKADDR_LEN_T	int
2443 #endif /* ! SOCKADDR_LEN_T */
2444 
2445 #ifndef SOCKOPT_LEN_T
2446 # define SOCKOPT_LEN_T	int
2447 #endif /* ! SOCKOPT_LEN_T */
2448 
2449 #ifndef QUAD_T
2450 # define QUAD_T	unsigned long
2451 #endif /* ! QUAD_T */
2452 /**********************************************************************
2453 **  Remaining definitions should never have to be changed.  They are
2454 **  primarily to provide back compatibility for older systems -- for
2455 **  example, it includes some POSIX compatibility definitions
2456 **********************************************************************/
2457 
2458 /* System 5 compatibility */
2459 #ifndef S_ISREG
2460 # define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2461 #endif /* ! S_ISREG */
2462 #ifndef S_ISDIR
2463 # define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2464 #endif /* ! S_ISDIR */
2465 #if !defined(S_ISLNK) && defined(S_IFLNK)
2466 # define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2467 #endif /* !defined(S_ISLNK) && defined(S_IFLNK) */
2468 #if !defined(S_ISFIFO)
2469 # if defined(S_IFIFO)
2470 #  define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2471 # else /* defined(S_IFIFO) */
2472 #  define S_ISFIFO(foo)	FALSE
2473 # endif /* defined(S_IFIFO) */
2474 #endif /* !defined(S_ISFIFO) */
2475 #ifndef S_IRUSR
2476 # define S_IRUSR		0400
2477 #endif /* ! S_IRUSR */
2478 #ifndef S_IWUSR
2479 # define S_IWUSR		0200
2480 #endif /* ! S_IWUSR */
2481 #ifndef S_IRGRP
2482 # define S_IRGRP		0040
2483 #endif /* ! S_IRGRP */
2484 #ifndef S_IWGRP
2485 # define S_IWGRP		0020
2486 #endif /* ! S_IWGRP */
2487 #ifndef S_IROTH
2488 # define S_IROTH		0004
2489 #endif /* ! S_IROTH */
2490 #ifndef S_IWOTH
2491 # define S_IWOTH		0002
2492 #endif /* ! S_IWOTH */
2493 
2494 /* close-on-exec flag */
2495 #ifndef FD_CLOEXEC
2496 # define FD_CLOEXEC	1
2497 #endif /* ! FD_CLOEXEC */
2498 
2499 /*
2500 **  Older systems don't have this error code -- it should be in
2501 **  /usr/include/sysexits.h.
2502 */
2503 
2504 #ifndef EX_CONFIG
2505 # define EX_CONFIG	78	/* configuration error */
2506 #endif /* ! EX_CONFIG */
2507 
2508 /* pseudo-codes */
2509 #define EX_QUIT		22	/* drop out of server immediately */
2510 #define EX_RESTART	23	/* restart sendmail daemon */
2511 #define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2512 
2513 /* pseudo-code used for mci_setstat */
2514 #define EX_NOTSTICKY	-5	/* don't save persistent status */
2515 
2516 
2517 /*
2518 **  An "impossible" file mode to indicate that the file does not exist.
2519 */
2520 
2521 #define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2522 
2523 
2524 /* type of arbitrary pointer */
2525 #ifndef ARBPTR_T
2526 # define ARBPTR_T	void *
2527 #endif /* ! ARBPTR_T */
2528 
2529 #ifndef __P
2530 # include "sendmail/cdefs.h"
2531 #endif /* ! __P */
2532 
2533 #if HESIOD && !defined(NAMED_BIND)
2534 # define NAMED_BIND	1	/* not one without the other */
2535 #endif /* HESIOD && !defined(NAMED_BIND) */
2536 
2537 # if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2538 extern int	h_errno;
2539 # endif /* NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) */
2540 
2541 #ifdef LDAPMAP
2542 # include <sys/time.h>
2543 # include <lber.h>
2544 # include <ldap.h>
2545 
2546 /* Some LDAP constants */
2547 # define LDAPMAP_FALSE		0
2548 # define LDAPMAP_TRUE		1
2549 
2550 /*
2551 **  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2552 **  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2553 **  and assume (falsely) that all old API implementations are broken.
2554 **  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2555 */
2556 
2557 # if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2558 #  define USE_LDAP_INIT	1
2559 # endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) */
2560 
2561 /*
2562 **  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2563 **  hence ldap_set_option() must not exist.
2564 */
2565 
2566 # if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2567 #  define USE_LDAP_SET_OPTION	1
2568 # endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) */
2569 
2570 #endif /* LDAPMAP */
2571 
2572 /*
2573 **  Do some required dependencies
2574 */
2575 
2576 #if NETINET || NETINET6 || NETISO
2577 # ifndef SMTP
2578 #  define SMTP		1	/* enable user and server SMTP */
2579 # endif /* ! SMTP */
2580 # ifndef QUEUE
2581 #  define QUEUE		1	/* enable queueing */
2582 # endif /* ! QUEUE */
2583 # ifndef DAEMON
2584 #  define DAEMON	1	/* include the daemon (requires IPC & SMTP) */
2585 # endif /* ! DAEMON */
2586 #endif /* NETINET || NETINET6 || NETISO */
2587 
2588 
2589 /*
2590 **  Arrange to use either varargs or stdargs
2591 */
2592 
2593 #ifdef __STDC__
2594 
2595 # include <stdarg.h>
2596 
2597 # define VA_LOCAL_DECL	va_list ap;
2598 # define VA_START(f)	va_start(ap, f)
2599 # define VA_END		va_end(ap)
2600 
2601 #else /* __STDC__ */
2602 
2603 # include <varargs.h>
2604 
2605 # define VA_LOCAL_DECL	va_list ap;
2606 # define VA_START(f)	va_start(ap)
2607 # define VA_END		va_end(ap)
2608 
2609 #endif /* __STDC__ */
2610 
2611 #if HASUNAME
2612 # include <sys/utsname.h>
2613 # ifdef newstr
2614 #  undef newstr
2615 # endif /* newstr */
2616 #else /* HASUNAME */
2617 # define NODE_LENGTH 32
2618 struct utsname
2619 {
2620 	char nodename[NODE_LENGTH + 1];
2621 };
2622 #endif /* HASUNAME */
2623 
2624 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2625 # define MAXHOSTNAMELEN	256
2626 #endif /* !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) */
2627 
2628 #if !defined(SIGCHLD) && defined(SIGCLD)
2629 # define SIGCHLD	SIGCLD
2630 #endif /* !defined(SIGCHLD) && defined(SIGCLD) */
2631 
2632 #ifndef STDIN_FILENO
2633 # define STDIN_FILENO	0
2634 #endif /* ! STDIN_FILENO */
2635 
2636 #ifndef STDOUT_FILENO
2637 # define STDOUT_FILENO	1
2638 #endif /* ! STDOUT_FILENO */
2639 
2640 #ifndef STDERR_FILENO
2641 # define STDERR_FILENO	2
2642 #endif /* ! STDERR_FILENO */
2643 
2644 #ifndef LOCK_SH
2645 # define LOCK_SH	0x01	/* shared lock */
2646 # define LOCK_EX	0x02	/* exclusive lock */
2647 # define LOCK_NB	0x04	/* non-blocking lock */
2648 # define LOCK_UN	0x08	/* unlock */
2649 #endif /* ! LOCK_SH */
2650 
2651 #ifndef S_IXOTH
2652 # define S_IXOTH	(S_IEXEC >> 6)
2653 #endif /* ! S_IXOTH */
2654 
2655 #ifndef S_IXGRP
2656 # define S_IXGRP	(S_IEXEC >> 3)
2657 #endif /* ! S_IXGRP */
2658 
2659 #ifndef S_IXUSR
2660 # define S_IXUSR	(S_IEXEC)
2661 #endif /* ! S_IXUSR */
2662 
2663 #ifndef SEEK_SET
2664 # define SEEK_SET	0
2665 # define SEEK_CUR	1
2666 # define SEEK_END	2
2667 #endif /* ! SEEK_SET */
2668 
2669 #ifndef SIG_ERR
2670 # define SIG_ERR	((void (*)()) -1)
2671 #endif /* ! SIG_ERR */
2672 
2673 #ifndef WEXITSTATUS
2674 # define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2675 #endif /* ! WEXITSTATUS */
2676 #ifndef WIFEXITED
2677 # define WIFEXITED(st)		(((st) & 0377) == 0)
2678 #endif /* ! WIFEXITED */
2679 #ifndef WIFSTOPPED
2680 # define WIFSTOPPED(st)		(((st) & 0100) == 0)
2681 #endif /* ! WIFSTOPPED */
2682 #ifndef WCOREDUMP
2683 # define WCOREDUMP(st)		(((st) & 0200) != 0)
2684 #endif /* ! WCOREDUMP */
2685 #ifndef WTERMSIG
2686 # define WTERMSIG(st)		(((st) & 0177))
2687 #endif /* ! WTERMSIG */
2688 
2689 #ifndef SIGFUNC_DEFINED
2690 typedef void		(*sigfunc_t) __P((int));
2691 #endif /* ! SIGFUNC_DEFINED */
2692 #ifndef SIGFUNC_RETURN
2693 # define SIGFUNC_RETURN
2694 #endif /* ! SIGFUNC_RETURN */
2695 #ifndef SIGFUNC_DECL
2696 # define SIGFUNC_DECL	void
2697 #endif /* ! SIGFUNC_DECL */
2698 
2699 /* size of syslog buffer */
2700 #ifndef SYSLOG_BUFSIZE
2701 # define SYSLOG_BUFSIZE	1024
2702 #endif /* ! SYSLOG_BUFSIZE */
2703 
2704 /*
2705 **  Size of prescan buffer.
2706 **	Despite comments in the _sendmail_ book, this probably should
2707 **	not be changed; there are some hard-to-define dependencies.
2708 */
2709 
2710 #define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2711 
2712 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
2713 #ifndef FORK
2714 # define FORK		fork		/* function to call to fork mailer */
2715 #endif /* ! FORK */
2716 
2717 
2718 /* random routine -- set above using #ifdef _osname_ or in Makefile */
2719 #if HASRANDOM
2720 # define get_random()	random()
2721 #else /* HASRANDOM */
2722 # define get_random()	((long) rand())
2723 # ifndef RANDOMSHIFT
2724 #  define RANDOMSHIFT	8
2725 # endif /* RANDOMSHIFT */
2726 #endif /* HASRANDOM */
2727 
2728 /*
2729 **  Default to using scanf in readcf.
2730 */
2731 
2732 #ifndef SCANF
2733 # define SCANF		1
2734 #endif /* ! SCANF */
2735 
2736 #if _FFR_MILTER
2737 /* 32 bit type */
2738 # ifndef SM_INT32
2739 #  define SM_INT32	int32_t
2740 # endif /* SM_INT32 */
2741 #endif /* _FFR_MILTER */
2742 
2743 /*
2744 **  SVr4 and similar systems use different routines for setjmp/longjmp
2745 **  with signal support
2746 */
2747 
2748 #if USE_SIGLONGJMP
2749 # ifdef jmp_buf
2750 #  undef jmp_buf
2751 # endif /* jmp_buf */
2752 # define jmp_buf		sigjmp_buf
2753 # ifdef setjmp
2754 #  undef setjmp
2755 # endif /* setjmp */
2756 # define setjmp(env)		sigsetjmp(env, 1)
2757 # ifdef longjmp
2758 #  undef longjmp
2759 # endif /* longjmp */
2760 # define longjmp(env, val)	siglongjmp(env, val)
2761 #endif /* USE_SIGLONGJMP */
2762 
2763 #if !defined(NGROUPS_MAX) && defined(NGROUPS)
2764 # define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
2765 #endif /* !defined(NGROUPS_MAX) && defined(NGROUPS) */
2766 
2767 /*
2768 **  Some snprintf() implementations are rumored not to NUL terminate.
2769 */
2770 #if SNPRINTF_IS_BROKEN
2771 # ifdef snprintf
2772 #  undef snprintf
2773 # endif /* snprintf */
2774 # define snprintf	sm_snprintf
2775 # ifdef vsnprintf
2776 #  undef vsnprintf
2777 # endif /* vsnprintf */
2778 # define vsnprintf	sm_vsnprintf
2779 #endif /* SNPRINTF_IS_BROKEN */
2780 
2781 /*
2782 **  If we don't have a system syslog, simulate it.
2783 */
2784 
2785 #if !LOG
2786 # define LOG_EMERG	0	/* system is unusable */
2787 # define LOG_ALERT	1	/* action must be taken immediately */
2788 # define LOG_CRIT	2	/* critical conditions */
2789 # define LOG_ERR	3	/* error conditions */
2790 # define LOG_WARNING	4	/* warning conditions */
2791 # define LOG_NOTICE	5	/* normal but significant condition */
2792 # define LOG_INFO	6	/* informational */
2793 # define LOG_DEBUG	7	/* debug-level messages */
2794 #endif /* !LOG */
2795 
2796 #if SFIO
2797 # ifdef ERRLIST_PREDEFINED
2798 #  undef ERRLIST_PREDEFINED
2799 # endif /* ERRLIST_PREDEFINED */
2800 # if !HASSNPRINTF
2801 #  define HASSNPRINTF	1	/* sfio includes snprintf() */
2802 # endif /* !HASSNPRINTF */
2803 #endif /* SFIO */
2804 
2805 #ifndef SFIO_STDIO_COMPAT
2806 # define SFIO_STDIO_COMPAT	0
2807 #endif /* ! SFIO_STDIO_COMPAT */
2808 
2809 #endif /* CONF_H */
2810