xref: /illumos-gate/usr/src/cmd/sendmail/include/sm/conf.h (revision e9af4bc0)
1 /*
2  * Copyright (c) 1998-2009 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 1.139 2009/06/16 23:41:32 ca Exp $
14  */
15 
16 /*
17  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
18  * Use is subject to license terms.
19  */
20 
21 /*
22 **  CONF.H -- All user-configurable parameters for sendmail
23 **
24 **	Send updates to Sendmail.ORG so they will be
25 **	included in the next release; see
26 **	http://www.sendmail.org/email-addresses.html
27 **	for current e-mail address.
28 */
29 
30 #ifndef SM_CONF_H
31 # define SM_CONF_H 1
32 
33 
34 # include <sm/config.h>
35 # include <sm/varargs.h>
36 
37 /*
38 **  General "standard C" defines.
39 **
40 **	These may be undone later, to cope with systems that claim to
41 **	be Standard C but aren't.  Gcc is the biggest offender -- it
42 **	doesn't realize that the library is part of the language.
43 **
44 **	Life would be much easier if we could get rid of this sort
45 **	of bozo problems.
46 */
47 
48 # ifdef __STDC__
49 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
50 # endif /* __STDC__ */
51 
52 /*
53 **  Assume you have standard calls; can be #undefed below if necessary.
54 */
55 
56 # ifndef HASLSTAT
57 #  define HASLSTAT	1	/* has lstat(2) call */
58 # endif /* ! HASLSTAT */
59 
60 # ifndef HASNICE
61 #  define HASNICE	1	/* has nice(2) call */
62 # endif /* ! HASNICE */
63 
64 # ifndef HASRRESVPORT
65 #  define HASRRESVPORT	1	/* has rrsevport(3) call */
66 # endif /* ! HASRRESVPORT */
67 
68 /**********************************************************************
69 **  "Hard" compilation options.
70 **	#define these if they are available; comment them out otherwise.
71 **  These cannot be overridden from the Makefile, and should really not
72 **  be turned off unless absolutely necessary.
73 **********************************************************************/
74 
75 #define LOG		1	/* enable logging -- don't turn off */
76 
77 /**********************************************************************
78 **  Operating system configuration.
79 **
80 **	Unless you are porting to a new OS, you shouldn't have to
81 **	change these.
82 **********************************************************************/
83 
84 /*
85 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
86 **
87 **	If V4FS is defined, compile for HP-UX 10.0.
88 **	11.x support from Richard Allen <ra@hp.is>.
89 */
90 
91 # ifdef __hpux
92 		/* common definitions for HP-UX 9.x and 10.x */
93 #  undef m_flags		/* conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h on HP 300 */
94 #  define SYSTEM5	1	/* include all the System V defines */
95 #  define HASINITGROUPS	1	/* has initgroups(3) call */
96 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
97 #  define USESETEUID	1	/* has usable seteuid(2) call */
98 #  define HASSETRESGID	1	/* use setresgid(2) to set saved gid */
99 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
100 #  define seteuid(e)	setresuid(-1, e, -1)
101 #  define IP_SRCROUTE	1	/* can check IP source routing */
102 #  define LA_TYPE	LA_HPUX
103 #  define SPT_TYPE	SPT_PSTAT
104 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
105 #  define GIDSET_T	gid_t
106 #  define LDA_USE_LOCKF	1
107 #  ifndef HASGETUSERSHELL
108 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
109 #  endif /* ! HASGETUSERSHELL */
110 #  ifdef HPUX10
111 #   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
112 #   ifndef SMRSH_CMDDIR
113 #    define SMRSH_CMDDIR	"/var/adm/sm.bin"
114 #   endif /* ! SMRSH_CMDDIR */
115 #  endif /* HPUX10 */
116 #  ifdef HPUX11
117 #   define HASSETREUID	1	/* setreuid(2) works on HP-UX 11.x */
118 #   define HASFCHOWN	1	/* has fchown(2) */
119 #   ifndef BROKEN_RES_SEARCH
120 #    define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
121 #   endif /* ! BROKEN_RES_SEARCH */
122 #   ifndef SMRSH_CMDDIR
123 #    define SMRSH_CMDDIR	"/var/adm/sm.bin"
124 #   endif /* ! SMRSH_CMDDIR */
125 #   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
126 #  else /* HPUX11 */
127 #   ifndef NOT_SENDMAIL
128 #    define syslog	hard_syslog
129 #   endif /* ! NOT_SENDMAIL */
130 #  endif /* HPUX11 */
131 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
132 
133 #  ifdef V4FS
134 		/* HP-UX 10.x */
135 #   define _PATH_UNIX		"/stand/vmunix"
136 #   ifndef _PATH_VENDOR_CF
137 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
138 #   endif /* ! _PATH_VENDOR_CF */
139 #   ifndef _PATH_SENDMAILPID
140 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
141 #   endif /* ! _PATH_SENDMAILPID */
142 #   ifndef IDENTPROTO
143 #    define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
144 #   endif /* ! IDENTPROTO */
145 #   include <sys/mpctl.h>	/* for mpctl() in get_num_procs_online() */
146 #  else /* V4FS */
147 		/* HP-UX 9.x */
148 #   define _PATH_UNIX		"/hp-ux"
149 #   ifndef _PATH_VENDOR_CF
150 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
151 #   endif /* ! _PATH_VENDOR_CF */
152 #   ifndef IDENTPROTO
153 #    define IDENTPROTO	0	/* TCP/IP implementation is broken */
154 #   endif /* ! IDENTPROTO */
155 #   ifdef __STDC__
156 extern void	hard_syslog(int, char *, ...);
157 #   else /* __STDC__ */
158 extern void	hard_syslog();
159 #   endif /* __STDC__ */
160 #   define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
161 #  endif /* V4FS */
162 
163 # endif /* __hpux */
164 
165 /*
166 **  IBM AIX 5.x
167 */
168 
169 # ifdef _AIX5
170 #  include <sys/signal.h>
171 #  include <sys/wait.h>
172 #  define _AIX4		40300
173 #  define SOCKADDR_LEN_T socklen_t /* e.g., arg#3 to accept, getsockname */
174 #  define SOCKOPT_LEN_T	socklen_t /* arg#5 to getsockopt */
175 #  if _AIX5 >= 50200
176 #   define HASUNSETENV	1	/* has unsetenv(3) call */
177 #  endif /* _AIX5 >= 50200 */
178 # endif /* _AIX5 */
179 
180 /*
181 **  IBM AIX 4.x
182 */
183 
184 # ifdef _AIX4
185 #  define _AIX3		1	/* pull in AIX3 stuff */
186 #  define BSD4_4_SOCKADDR	/* has sa_len */
187 #  define USESETEUID	1	/* seteuid(2) works */
188 #  define TZ_TYPE	TZ_NAME	/* use tzname[] vector */
189 #  ifndef SOCKOPT_LEN_T
190 #   define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
191 #  endif /* SOCKOPT_LEN_T */
192 #  if _AIX4 >= 40200
193 #   define HASSETREUID	1	/* setreuid(2) works as of AIX 4.2 */
194 #   ifndef SOCKADDR_LEN_T
195 #    define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
196 #   endif /* SOCKADDR_LEN_T */
197 #  endif /* _AIX4 >= 40200 */
198 #  if defined(_ILS_MACROS)	/* IBM versions aren't side-effect clean */
199 #   undef isascii
200 #   define isascii(c)		!(c & ~0177)
201 #   undef isdigit
202 #   define isdigit(__a)		(_IS(__a,_ISDIGIT))
203 #   undef isspace
204 #   define isspace(__a)		(_IS(__a,_ISSPACE))
205 #  endif /* defined(_ILS_MACROS) */
206 # endif /* _AIX4 */
207 
208 
209 /*
210 **  IBM AIX 3.x -- actually tested for 3.2.3
211 */
212 
213 # ifdef _AIX3
214 #  include <paths.h>
215 #  include <sys/machine.h>	/* to get byte order */
216 #  include <sys/select.h>
217 #  define HASFCHOWN	1	/* has fchown(2) */
218 #  define HASINITGROUPS	1	/* has initgroups(3) call */
219 #  define HASUNAME	1	/* use System V uname(2) system call */
220 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
221 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
222 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
223 #  define GIDSET_T	gid_t
224 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
225 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
226 #  ifndef LA_TYPE
227 #   define LA_TYPE	LA_INT
228 #  endif /* LA_TYPE */
229 #  define FSHIFT	16
230 #  define LA_AVENRUN	"avenrun"
231 #  if !defined(_AIX4) || _AIX4 < 40300
232 #   ifndef __BIT_TYPES_DEFINED__
233 #    define SM_INT32	int
234 #   endif /* __BIT_TYPES_DEFINED__ */
235 #  endif /* !defined(_AIX4) || _AIX4 < 40300 */
236 #  if !defined(_AIX4) || _AIX4 < 40200
237 #   define SM_CONF_SYSLOG	0
238 #  endif /* !defined(_AIX4) || _AIX4 < 40200 */
239 # endif /* _AIX3 */
240 
241 
242 /*
243 **  IBM AIX 2.2.1 -- actually tested for osupdate level 2706+1773
244 **
245 **	From Mark Whetzel <markw@wg.waii.com>.
246 */
247 
248 # ifdef AIX			/* AIX/RT compiler pre-defines this */
249 #  include <paths.h>
250 #  include <sys/time.h>		/* AIX/RT resource.h does NOT include this */
251 #  define HASINITGROUPS	1	/* has initgroups(3) call */
252 #  define HASUNAME	1	/* use System V uname(2) system call */
253 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
254 #  define HASFCHMOD	0	/* does not have fchmod(2) syscall */
255 #  define HASSETREUID	1	/* use setreuid(2) -lbsd system call */
256 #  define HASSETVBUF	1	/* use setvbuf(2) system call */
257 #  define HASSETRLIMIT	0	/* does not have setrlimit call */
258 #  define HASFLOCK	0	/* does not have flock call - use fcntl */
259 #  define HASULIMIT	1	/* use ulimit instead of setrlimit call */
260 #  define SM_CONF_GETOPT	0	/* Do we need theirs or ours */
261 #  define SYS5SETPGRP	1	/* don't have setpgid on AIX/RT */
262 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
263 #  define BSD4_3		1	/* NOT bsd 4.4 or posix signals */
264 #  define GIDSET_T	int
265 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
266 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
267 #  define LA_TYPE	LA_SUBR		/* use our ported loadavgd daemon */
268 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
269 #  define ARBPTR_T	int *
270 #  define void		int
271 typedef int		pid_t;
272 /* RTisms for BSD compatibility, specified in the Makefile
273   define BSD		1
274   define BSD_INCLUDES		1
275   define BSD_REMAP_SIGNAL_TO_SIGVEC
276     RTisms needed above */
277 /* make this sendmail in a completely different place */
278 #  ifndef _PATH_VENDOR_CF
279 #   define _PATH_VENDOR_CF	"/usr/local/newmail/sendmail.cf"
280 #  endif /* ! _PATH_VENDOR_CF */
281 #  ifndef _PATH_SENDMAILPID
282 #   define _PATH_SENDMAILPID	"/usr/local/newmail/sendmail.pid"
283 #  endif /* ! _PATH_SENDMAILPID */
284 # endif /* AIX */
285 
286 # if defined(_AIX)
287 #  define LDA_USE_LOCKF		1
288 #  define LDA_USE_SETEUID	1
289 # endif /* defined(_AIX) */
290 
291 /*
292 **  Silicon Graphics IRIX
293 **
294 **	Compiles on 4.0.1.
295 **
296 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
297 **	Use IRIX5 instead of IRIX for IRIX 5.x.
298 **
299 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
300 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
301 */
302 
303 # ifdef IRIX
304 #  define SYSTEM5	1	/* this is a System-V derived system */
305 #  define HASSETREUID	1	/* has setreuid(2) call */
306 #  define HASINITGROUPS	1	/* has initgroups(3) call */
307 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
308 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
309 #  define IP_SRCROUTE	1	/* can check IP source routing */
310 #  define setpgid	BSDsetpgrp
311 #  define GIDSET_T	gid_t
312 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
313 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
314 #  define SYSLOG_BUFSIZE 512
315 #  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
316     /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
317 #   define _SC_NPROCESSORS_ONLN	_SC_NPROC_ONLN
318 #  endif /* if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) */
319 #  ifdef IRIX6
320 #   define STAT64	1
321 #   define QUAD_T	unsigned long long
322 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
323 #   define SAFENFSPATHCONF 0	/* pathconf(2) lies on NFS filesystems */
324 #  else /* IRIX6 */
325 #   define LA_TYPE	LA_INT
326 
327 #   ifdef IRIX64
328 #    define STAT64	1
329 #    define QUAD_T	unsigned long long
330 #    define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
331 #   else /* IRIX64 */
332 #    define STAT64	0
333 #    define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
334 #   endif /* IRIX64 */
335 #  endif /* IRIX6 */
336 #  if defined(IRIX64) || defined(IRIX5) || defined(IRIX6)
337 #   include <sys/cdefs.h>
338 #   include <paths.h>
339 #   define ARGV_T	char *const *
340 #   define HASFCHOWN	1	/* has fchown(2) */
341 #   define HASSETRLIMIT	1	/* has setrlimit(2) syscall */
342 #   define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
343 #   define HASSTRERROR	1	/* has strerror(3) */
344 #  else /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
345 #   define ARGV_T	const char **
346 #   define WAITUNION	1	/* use "union wait" as wait argument type */
347 #  endif /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
348 # endif /* IRIX */
349 
350 
351 /*
352 **  SunOS and Solaris
353 **
354 **	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
355 **	Solaris 2.4 (a.k.a. SunOS 5.4).
356 */
357 
358 # if defined(sun) && !defined(BSD)
359 
360 #  include <sys/time.h>
361 #  define HASINITGROUPS	1	/* has initgroups(3) call */
362 #  define HASUNAME	1	/* use System V uname(2) system call */
363 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
364 #  define IP_SRCROUTE	1	/* can check IP source routing */
365 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
366 #  ifndef HASFCHOWN
367 #   define HASFCHOWN	1	/* fchown(2) */
368 #  endif /* ! HASFCHOWN */
369 
370 #  ifdef __svr4__
371 #   define LDA_USE_LOCKF		1
372 #   define LDA_USE_SETEUID	1
373 #   define _PATH_MAILDIR		"/var/mail"
374 #  endif /* __svr4__ */
375 
376 #  ifdef SOLARIS_2_3
377 #   define SOLARIS	20300	/* for back compat only -- use -DSOLARIS=20300 */
378 #  endif /* SOLARIS_2_3 */
379 
380 #  if defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4))
381 #   define SOLARIS	1	/* unknown Solaris version */
382 #  endif /* defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4)) */
383 
384 #  ifdef SOLARIS
385 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
386 #   ifndef __svr4__
387 #    define __svr4__		/* use all System V Release 4 defines below */
388 #   endif /* ! __svr4__ */
389 #   define GIDSET_T	gid_t
390 #   define USE_SA_SIGACTION	1	/* use sa_sigaction field */
391 #   define BROKEN_PTHREAD_SLEEP	1	/* sleep after pthread_create() fails */
392 #   define HASSTRERROR	1	/* has strerror(3) */
393 #   ifndef _PATH_UNIX
394 #    define _PATH_UNIX		"/dev/ksyms"
395 #   endif /* ! _PATH_UNIX */
396 #   ifndef _PATH_VENDOR_CF
397 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
398 #   endif /* ! _PATH_VENDOR_CF */
399 #   ifndef _PATH_SENDMAILPID
400 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
401 #   endif /* ! _PATH_SENDMAILPID */
402 #   ifndef _PATH_HOSTS
403 #    define _PATH_HOSTS		"/etc/inet/hosts"
404 #   endif /* ! _PATH_HOSTS */
405 #   ifndef SYSLOG_BUFSIZE
406 #    define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
407 #   endif /* ! SYSLOG_BUFSIZE */
408 #   ifndef TZ_TYPE
409 #    define TZ_TYPE	TZ_TZNAME
410 #   endif /* ! TZ_TYPE */
411 #   if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203)
412 #    define USESETEUID		1	/* seteuid works as of 2.3 */
413 #    define LDA_CONTENTLENGTH	1	/* Needs the Content-Length header */
414 #   endif /* SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203) */
415 #   if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205)
416 #    define HASSETREUID	1		/* setreuid works as of 2.5 */
417 #    define HASSETREGID	1	/* use setregid(2) to set saved gid */
418 #   if SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206)
419 #    define HASSNPRINTF 1	/* has snprintf(3c) starting in 2.6 */
420 #   endif /* SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206) */
421 #    if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700)
422 #     ifndef LA_TYPE
423 #      define LA_TYPE	LA_KSTAT	/* use kstat(3k) -- may work in < 2.5 */
424 #     endif /* ! LA_TYPE */
425 #     ifndef RANDOMSHIFT		/* random() doesn't work well (sometimes) */
426 #      define RANDOMSHIFT	8
427 #     endif /* ! RANDOMSHIFT */
428 #    endif /* SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) */
429 #   else /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
430 #    ifndef HASRANDOM
431 #     define HASRANDOM	0		/* doesn't have random(3) */
432 #    endif /* ! HASRANDOM */
433 #   endif /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
434 #   if (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206
435 #    define SM_INT32	int	/* 32bit integer */
436 #   endif /* (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206 */
437 #   if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207)
438 #    ifndef LA_TYPE
439 #     include <sys/loadavg.h>
440 #     if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
441 #      include <sys/pset.h>
442 #      define LA_TYPE	LA_PSET	/* pset_getloadavg(3c) appears in 2.9 */
443 #     else /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
444 #      define LA_TYPE	LA_SUBR	/* getloadavg(3c) appears in 2.7 */
445 #     endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
446 #    endif /* ! LA_TYPE */
447 #    define HASGETUSERSHELL 1	/* getusershell(3c) bug fixed in 2.7 */
448 #   endif /* SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) */
449 #   if SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208)
450 #    undef _PATH_SENDMAILPID	/* tmpfs /var/run added in 2.8 */
451 #    define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
452 #    ifndef SMRSH_CMDDIR
453 #     define SMRSH_CMDDIR	"/var/adm/sm.bin"
454 #    endif /* ! SMRSH_CMDDIR */
455 #    define SL_FUDGE	34	/* fudge offset for SyslogPrefixLen */
456 #    define HASLDAPGETALIASBYNAME	1	/* added in S8 */
457 #   endif /* SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) */
458 #   if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
459 #    define HASURANDOMDEV	1	/* /dev/[u]random added in S9 */
460 #    define HASCLOSEFROM	1	/* closefrom(3c) added in S9 */
461 #    define HASFDWALK		1	/* fdwalk(3c) added in S9 */
462 #   endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
463 #   if SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210)
464 #    define HASUNSETENV 1       /* unsetenv() added in S10 */
465 #   endif /* SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210) */
466 #   if SOLARIS >= 21100 || (SOLARIS < 10000 && SOLARIS >= 211)
467 #    define GETLDAPALIASBYNAME_VERSION 2	/* changed in S11 */
468 #    define HAVE_NANOSLEEP	1	/* moved from librt to libc in S11 */
469 #   endif /* SOLARIS >= 21100 || (SOLARIS < 10000 && SOLARIS >= 211) */
470 #   ifndef HASGETUSERSHELL
471 #    define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps pre-2.7 */
472 #   endif /* ! HASGETUSERSHELL */
473 
474 #  else /* SOLARIS */
475 			/* SunOS 4.0.3 or 4.1.x */
476 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
477 #   define HASSETREUID	1	/* has setreuid(2) call */
478 #   ifndef HASFLOCK
479 #    define HASFLOCK	1	/* has flock(2) call */
480 #   endif /* ! HASFLOCK */
481 #   define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
482 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
483 #   include <memory.h>
484 #   include <vfork.h>
485 #   ifdef __GNUC__
486 #    define strtoul	strtol	/* gcc library bogosity */
487 #   endif /* __GNUC__ */
488 #   define memmove(d, s, l)	(bcopy((s), (d), (l)))
489 #   define atexit(f)	on_exit((f), 0)	/* ugly hack for SunOS */
490 #   define SM_INT32	int	/* 32bit integer */
491 #   define SM_ALIGN_SIZE (sizeof(long))
492 #   define GIDSET_T	int
493 #   define SM_CONF_SYSLOG	0
494 
495 #   ifdef SUNOS403
496 			/* special tweaking for SunOS 4.0.3 */
497 #    include <malloc.h>
498 #    define BSD4_3	1	/* 4.3 BSD-based */
499 #    define NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
500 #    define WAITUNION	1	/* use "union wait" as wait argument type */
501 #    undef WIFEXITED
502 #    undef WEXITSTATUS
503 #    undef HASUNAME
504 #    define setpgid	setpgrp
505 #    define MODE_T	int
506 typedef int		pid_t;
507 extern char		*getenv();
508 
509 #   else /* SUNOS403 */
510 			/* 4.1.x specifics */
511 #    define HASSETSID	1	/* has POSIX setsid(2) call */
512 #    define HASSETVBUF	1	/* we have setvbuf(3) in libc */
513 
514 #   endif /* SUNOS403 */
515 #  endif /* SOLARIS */
516 
517 #  ifndef LA_TYPE
518 #   define LA_TYPE	LA_INT
519 #  endif /* ! LA_TYPE */
520 
521 # endif /* defined(sun) && !defined(BSD) */
522 
523 /*
524 **  DG/UX
525 **
526 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
527 **	older support.
528 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
529 */
530 
531 # ifdef DGUX_5_4_2
532 #  define DGUX		1
533 # endif /* DGUX_5_4_2 */
534 
535 # ifdef DGUX
536 #  define SYSTEM5	1
537 #  define LA_TYPE	LA_DGUX
538 #  define HASSETREUID	1	/* has setreuid(2) call */
539 #  define HASUNAME	1	/* use System V uname(2) system call */
540 #  define HASSETSID	1	/* has POSIX setsid(2) call */
541 #  define HASINITGROUPS	1	/* has initgroups(3) call */
542 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
543 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) */
544 #  ifndef IDENTPROTO
545 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
546 #  endif /* ! IDENTPROTO */
547 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
548 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
549 #  define LDA_USE_LOCKF		1
550 
551 /* these include files must be included early on DG/UX */
552 #  include <netinet/in.h>
553 #  include <arpa/inet.h>
554 
555 /* compiler doesn't understand const? */
556 #  define const
557 
558 #  ifdef DGUX_5_4_2
559 #   define inet_addr	dgux_inet_addr
560 extern long	dgux_inet_addr();
561 #  endif /* DGUX_5_4_2 */
562 # endif /* DGUX */
563 
564 
565 /*
566 **  Digital Ultrix 4.2 - 4.5
567 **
568 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
569 **	not dropped when the process exits.  This causes major problems,
570 **	so flock is the only alternative.
571 */
572 
573 # ifdef ultrix
574 #  define HASSETREUID	1	/* has setreuid(2) call */
575 #  define HASUNSETENV	1	/* has unsetenv(3) call */
576 #  define HASINITGROUPS	1	/* has initgroups(3) call */
577 #  define HASUNAME	1	/* use System V uname(2) system call */
578 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
579 #  define HASFCHOWN	1	/* has fchown(2) syscall */
580 #  ifndef HASFLOCK
581 #   define HASFLOCK	1	/* has flock(2) call */
582 #  endif /* ! HASFLOCK */
583 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
584 #  ifndef BROKEN_RES_SEARCH
585 #   define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
586 #  endif /* ! BROKEN_RES_SEARCH */
587 #  if !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621
588 #   define NEEDLOCAL_HOSTNAME_LENGTH	1	/* see sendmail/README */
589 #  endif /* !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621 */
590 #  ifdef vax
591 #   define LA_TYPE	LA_FLOAT
592 #  else /* vax */
593 #   define LA_TYPE	LA_INT
594 #   define LA_AVENRUN	"avenrun"
595 #  endif /* vax */
596 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
597 #  ifndef IDENTPROTO
598 #   define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
599 #  endif /* ! IDENTPROTO */
600 #  define SYSLOG_BUFSIZE	256
601 #  define SM_CONF_SYSLOG	0
602 # endif /* ultrix */
603 
604 
605 /*
606 **  OSF/1 for KSR.
607 **
608 **	Contributed by Todd C. Miller <Todd.Miller@cs.colorado.edu>
609 */
610 
611 # ifdef __ksr__
612 #  define __osf__	1	/* get OSF/1 defines below */
613 #  ifndef TZ_TYPE
614 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
615 #  endif /* ! TZ_TYPE */
616 # endif /* __ksr__ */
617 
618 
619 /*
620 **  OSF/1 for Intel Paragon.
621 **
622 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
623 **	of Intel Scalable Systems Divison.
624 */
625 
626 # ifdef __PARAGON__
627 #  define __osf__	1	/* get OSF/1 defines below */
628 #  ifndef TZ_TYPE
629 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
630 #  endif /* ! TZ_TYPE */
631 #  define GIDSET_T	gid_t
632 #  define MAXNAMLEN	NAME_MAX
633 # endif /* __PARAGON__ */
634 
635 
636 /*
637 **  Tru64 UNIX, formerly known as Digital UNIX, formerly known as DEC OSF/1
638 **
639 **	Tested for 3.2 and 4.0.
640 */
641 
642 # ifdef __osf__
643 #  define HASUNAME	1	/* has uname(2) call */
644 #  define HASUNSETENV	1	/* has unsetenv(3) call */
645 #  define USESETEUID	1	/* has usable seteuid(2) call */
646 #  define HASINITGROUPS	1	/* has initgroups(3) call */
647 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
648 #  define HASFCHOWN	1	/* has fchown(2) syscall */
649 #  define HASSETLOGIN	1	/* has setlogin(2) */
650 #  define IP_SRCROUTE	1	/* can check IP source routing */
651 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
652 #  define GIDSET_T	gid_t
653 #  define SM_INT32	int	/* 32bit integer */
654 #  ifndef HASFLOCK
655 #   include <standards.h>
656 #   if _XOPEN_SOURCE+0 >= 400
657 #    define HASFLOCK	0	/* 5.0 and later has bad flock(2) call */
658 #   else /* _XOPEN_SOURCE+0 >= 400 */
659 #    define HASFLOCK	1	/* has flock(2) call */
660 #   endif /* _XOPEN_SOURCE+0 >= 400 */
661 #  endif /* ! HASFLOCK */
662 #  define LA_TYPE	LA_ALPHAOSF
663 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statfs() impl */
664 #  ifndef _PATH_VENDOR_CF
665 #   define _PATH_VENDOR_CF	"/var/adm/sendmail/sendmail.cf"
666 #  endif /* ! _PATH_VENDOR_CF */
667 #  ifndef _PATH_SENDMAILPID
668 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
669 #  endif /* ! _PATH_SENDMAILPID */
670 #  if _FFR_DIGUNIX_SAFECHOWN
671 /*
672 **  Testing on a Digital UNIX 4.0a system showed this to be the correct
673 **  setting but given the security consequences, more testing and
674 **  verification is needed.  Unfortunately, the man page offers no
675 **  assistance.
676 */
677 #   define IS_SAFE_CHOWN >= 0
678 #  endif /* _FFR_DIGUNIX_SAFECHOWN */
679 # endif /* __osf__ */
680 
681 
682 /*
683 **  NeXTstep
684 */
685 
686 # ifdef NeXT
687 #  define HASINITGROUPS	1	/* has initgroups(3) call */
688 #  define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
689 #  ifndef HASFLOCK
690 #   define HASFLOCK	1	/* has flock(2) call */
691 #  endif /* ! HASFLOCK */
692 #  define UID_T		int	/* compiler gripes on uid_t */
693 #  define GID_T		int	/* ditto for gid_t */
694 #  define MODE_T	int	/* and mode_t */
695 #  define setpgid	setpgrp
696 #  ifndef NOT_SENDMAIL
697 #   define sleep		sleepX
698 #  endif /* ! NOT_SENDMAIL */
699 #  ifndef LA_TYPE
700 #   define LA_TYPE	LA_MACH
701 #  endif /* ! LA_TYPE */
702 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
703 #  ifdef _POSIX_SOURCE
704 extern struct passwd	*getpwent();
705 #  else /* _POSIX_SOURCE */
706 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
707 #   define WAITUNION	1	/* use "union wait" as wait argument type */
708 typedef int		pid_t;
709 #   undef WEXITSTATUS
710 #   undef WIFEXITED
711 #   undef WIFSTOPPED
712 #   undef WTERMSIG
713 #  endif /* _POSIX_SOURCE */
714 #  ifndef _PATH_VENDOR_CF
715 #   define _PATH_VENDOR_CF	"/etc/sendmail/sendmail.cf"
716 #  endif /* ! _PATH_VENDOR_CF */
717 #  ifndef _PATH_SENDMAILPID
718 #   define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
719 #  endif /* ! _PATH_SENDMAILPID */
720 #  define SM_INT32	int	/* 32bit integer */
721 
722 #  ifdef TCPWRAPPERS
723 #   ifndef HASUNSETENV
724 #    define HASUNSETENV	1
725 #   endif /* ! HASUNSETENV */
726 #   undef NEEDPUTENV
727 #  endif /* TCPWRAPPERS */
728 #  ifndef __APPLE__
729 #   include <libc.h>
730 #   ifndef S_IRUSR
731 #    define S_IRUSR	S_IREAD
732 #   endif /* ! S_IRUSR */
733 #   ifndef S_IWUSR
734 #    define S_IWUSR	S_IWRITE
735 #   endif /* ! S_IWUSR */
736 #   define _PATH_MAILDIR	"/usr/spool/mail"
737 #  endif /* ! __APPLE__ */
738 #  ifndef isascii
739 #   define isascii(c)	((unsigned)(c) <= 0177)
740 #  endif /* ! isascii */
741 # endif /* NeXT */
742 
743 /*
744 **  Apple Darwin
745 **      Contributed by Wilfredo Sanchez <wsanchez@mit.edu>
746 */
747 
748 # if defined(DARWIN)
749 #  define HASFCHMOD		1	/* has fchmod(2) */
750 #  define HASFCHOWN		1	/* has fchown(2) */
751 #  define HASFLOCK		1	/* has flock(2) */
752 #  define HASUNAME		1	/* has uname(2) */
753 #  define HASUNSETENV		1	/* has unsetenv(3) */
754 #  define HASSETSID		1	/* has POSIX setsid(2) call */
755 #  define HASINITGROUPS		1	/* has initgroups(3) */
756 #  define HASSETVBUF		1	/* has setvbuf (3) */
757 #  define HASSETREUID		0	/* setreuid(2) unusable */
758 #  define HASSETEUID		1	/* has seteuid(2) */
759 #  define USESETEUID		1	/* has seteuid(2) */
760 #  define HASSETEGID		1	/* has setegid(2) */
761 #  define HASSETREGID		1	/* has setregid(2) */
762 #  define HASSETRESGID		0	/* no setresgid(2) */
763 #  define HASLSTAT		1	/* has lstat(2) */
764 #  define HASSETRLIMIT		1	/* has setrlimit(2) */
765 #  define HASWAITPID		1	/* has waitpid(2) */
766 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
767 #  define HAS_ST_GEN		1	/* has st_gen field in struct stat */
768 #  define HASURANDOMDEV		1	/* has urandom(4) */
769 #  define HASSTRERROR		1	/* has strerror(3) */
770 #  define HASGETUSERSHELL	1	/* had getusershell(3) */
771 #  define GIDSET_T		gid_t	/* getgroups(2) takes gid_t */
772 #  define LA_TYPE		LA_SUBR	/* use getloadavg(3) */
773 #  define SFS_TYPE		SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
774 #  if DARWIN >= 70000
775 #   define SOCKADDR_LEN_T	socklen_t
776 #  endif
777 #  if DARWIN >= 80000
778 #   define SPT_TYPE		SPT_REUSEARGV
779 #   define SPT_PADCHAR		'\0'
780 #   define SOCKOPT_LEN_T	socklen_t
781 #  else
782 #   define SPT_TYPE		SPT_PSSTRINGS	/* use magic PS_STRINGS pointer for setproctitle */
783 #  endif
784 #  define ERRLIST_PREDEFINED		/* don't declare sys_errlist */
785 #  define BSD4_4_SOCKADDR		/* struct sockaddr has sa_len */
786 #  define SAFENFSPATHCONF	0	/* unverified: pathconf(2) doesn't work on NFS */
787 #  define HAS_IN_H		1
788 #  define NETLINK		1	/* supports AF_LINK */
789 #  ifndef NOT_SENDMAIL
790 #   define sleep sleepX
791 extern unsigned int sleepX __P((unsigned int seconds));
792 #  endif /* ! NOT_SENDMAIL */
793 # endif /* defined(DARWIN) */
794 
795 
796 /*
797 **  4.4 BSD
798 **
799 **	See also BSD defines.
800 */
801 
802 # if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) && !defined(DARWIN)
803 #  include <paths.h>
804 #  define HASUNSETENV	1	/* has unsetenv(3) call */
805 #  define USESETEUID	1	/* has usable seteuid(2) call */
806 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
807 #  define HASFCHOWN	1	/* has fchown(2) syscall */
808 #  define HASSTRERROR	1	/* has strerror(3) */
809 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
810 #  include <sys/cdefs.h>
811 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
812 #  define BSD4_4_SOCKADDR	/* has sa_len */
813 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
814 #  define NETLINK	1	/* supports AF_LINK */
815 #  ifndef LA_TYPE
816 #   define LA_TYPE	LA_SUBR
817 #  endif /* ! LA_TYPE */
818 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
819 #  define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
820 # endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) && !defined(DARWIN)*/
821 
822 
823 /*
824 **  BSD/OS (was BSD/386) (all versions)
825 **	From Tony Sanders, BSDI
826 */
827 
828 # ifdef __bsdi__
829 #  include <paths.h>
830 #  define HASUNSETENV	1	/* has the unsetenv(3) call */
831 #  define HASSETREUID	0	/* BSD-OS has broken setreuid(2) emulation */
832 #  define HASSETSID	1	/* has POSIX setsid(2) call */
833 #  define USESETEUID	1	/* has usable seteuid(2) call */
834 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
835 #  define HASSETLOGIN	1	/* has setlogin(2) */
836 #  define HASUNAME	1	/* has uname(2) syscall */
837 #  define HASSTRERROR	1	/* has strerror(3) */
838 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
839 #  include <sys/cdefs.h>
840 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
841 #  define BSD4_4_SOCKADDR	/* has sa_len */
842 #  define NETLINK	1	/* supports AF_LINK */
843 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
844 #  ifndef LA_TYPE
845 #   define LA_TYPE	LA_SUBR
846 #  endif /* ! LA_TYPE */
847 #  define GIDSET_T	gid_t
848 #  define QUAD_T		quad_t
849 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
850 			/* version 1.1 or later */
851 #   undef SPT_TYPE
852 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
853 #  else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
854 			/* version 1.0 or earlier */
855 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
856 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
857 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701	/* on 3.x */
858 #   define HASSETUSERCONTEXT 1	/* has setusercontext */
859 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 */
860 #  if defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701	/* 3.1 and earlier */
861 #   define MODE_T	int	/* va_arg() can't handle less than int */
862 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701 */
863 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910	/* on 4.x */
864 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
865 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910 */
866 # endif /* __bsdi__ */
867 
868 
869 # if defined(__QNX__)
870 #  if defined(__QNXNTO__)
871 /* QNX 6 */
872 #   include <unix.h>
873 #   define HASUNSETENV	1	/* has unsetenv(3) call */
874 #   define HASINITGROUPS	1	/* has initgroups(3) call */
875 #   define HASSETSID	1	/* has POSIX setsid(2) call */
876 #   define USESETEUID	1	/* has usable seteuid(2) call */
877 #   define HASFCHMOD	1	/* has fchmod(2) syscall */
878 #   define HASFCHOWN	1	/* has fchown(2) syscall */
879 #   define HASUNAME	1	/* has uname(2) syscall */
880 #   define HASSTRERROR	1	/* has strerror(3) */
881 #   define BSD4_4_SOCKADDR	/* has sa_len */
882 #   define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
883 #   define NETLINK	1	/* supports AF_LINK */
884 #   define GIDSET_T	gid_t
885 #   define QUAD_T	uint64_t
886 #   define HASSNPRINTF	1	/* has snprintf(3) (all versions?) */
887 #   define HASGETUSERSHELL 0
888 
889 /*
890 **  We have a strrev() that doesn't allocate anything.
891 **  Make sure the one here is used.
892 */
893 
894 #   define strrev strrev_sendmail
895 
896 #  else /* defined(__QNXNTO__) */
897 
898 /*
899 **  QNX 4.2x
900 **	Contributed by Glen McCready <glen@qnx.com>.
901 **
902 **	Should work with all versions of QNX 4.
903 */
904 
905 #   include <unix.h>
906 #   include <sys/select.h>
907 #   undef NGROUPS_MAX
908 #   define HASSETSID	1	/* has POSIX setsid(2) call */
909 #   define USESETEUID	1	/* has usable seteuid(2) call */
910 #   define HASFCHMOD	1	/* has fchmod(2) syscall */
911 #   define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
912 #   define HASSETREUID	1	/* has setreuid(2) call */
913 #   define HASSTRERROR	1	/* has strerror(3) */
914 #   define HASFLOCK	0
915 #   undef HASINITGROUPS		/* has initgroups(3) call */
916 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
917 #   define IP_SRCROUTE	1	/* can check IP source routing */
918 #   define TZ_TYPE	TZ_TMNAME	/* use tmname variable */
919 #   define GIDSET_T	gid_t
920 #   define LA_TYPE	LA_ZERO
921 #   define SFS_TYPE	SFS_NONE
922 #   define SPT_TYPE	SPT_REUSEARGV
923 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
924 #   define HASGETUSERSHELL 0
925 #   define _FILE_H_INCLUDED
926 #  endif /* defined(__QNXNTO__) */
927 # endif /* defined(__QNX__) */
928 
929 
930 /*
931 **  DragonFly BSD/ FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
932 **
933 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
934 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
935 **
936 **	See also BSD defines.
937 */
938 
939 # if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
940 #  include <paths.h>
941 #  define HASUNSETENV	1	/* has unsetenv(3) call */
942 #  define HASSETSID	1	/* has POSIX setsid(2) call */
943 #  define USESETEUID	1	/* has usable seteuid(2) call */
944 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
945 #  define HASFCHOWN	1	/* has fchown(2) syscall */
946 #  define HASUNAME	1	/* has uname(2) syscall */
947 #  define HASSTRERROR	1	/* has strerror(3) */
948 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
949 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
950 #  include <sys/cdefs.h>
951 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
952 #  define BSD4_4_SOCKADDR	/* has sa_len */
953 #  define NETLINK	1	/* supports AF_LINK */
954 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
955 #  define GIDSET_T	gid_t
956 #  define QUAD_T	unsigned long long
957 #  define HASSNPRINTF	1	/* has snprintf(3) (all versions?) */
958 #  ifndef LA_TYPE
959 #   define LA_TYPE	LA_SUBR
960 #  endif /* ! LA_TYPE */
961 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && \
962     ((__NetBSD_Version__ >= 200040000 && __NetBSD_Version__ < 200090000) || \
963     (__NetBSD_Version__ >= 299000900))
964 #   undef SFS_TYPE
965 #   define SFS_TYPE	SFS_STATVFS
966 #  else
967 #   define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
968 #  endif
969 #  if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
970 #   undef SPT_TYPE
971 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
972 #  endif /* defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1) */
973 #  if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3))
974 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
975 #  endif /* defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3)) */
976 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 104170000
977 #   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
978 #  endif
979 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && \
980     ((__NetBSD_Version__ >= 200060000 && __NetBSD_Version__ < 200090000) || \
981     (__NetBSD_Version__ >= 299000900))
982 #   define HASCLOSEFROM	1	/* closefrom(3) added in 2.0F */
983 #  endif
984 #  if defined(__NetBSD__)
985 #   define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
986 #   include <sys/param.h>
987 #   include <sys/sysctl.h>
988 #  endif
989 #  if defined(__DragonFly__)
990 #   define HASSETLOGIN		1	/* has setlogin(2) */
991 #   define HASSRANDOMDEV	1	/* has srandomdev(3) */
992 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
993 #   undef SPT_TYPE
994 #   include <libutil.h>
995 #   define SPT_TYPE		SPT_BUILTIN
996 #   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
997 #   ifndef SMRSH_CMDDIR
998 #    define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
999 #   endif /* ! SMRSH_CMDDIR */
1000 #   ifndef SMRSH_PATH
1001 #    define SMRSH_PATH		"/bin:/usr/bin"
1002 #   endif /* ! SMRSH_PATH */
1003 #  define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
1004 #  include <sys/sysctl.h>
1005 #  endif /* defined(__DragonFly__) */
1006 #  if defined(__FreeBSD__)
1007 #   define HASSETLOGIN	1	/* has setlogin(2) */
1008 #   if __FreeBSD_version >= 227001
1009 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1010 #    define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1011 #   endif /* __FreeBSD_version >= 227001 */
1012 #   undef SPT_TYPE
1013 #   if __FreeBSD__ >= 2
1014 #    include <osreldate.h>
1015 #    if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
1016 #     include <libutil.h>
1017 #     define SPT_TYPE	SPT_BUILTIN
1018 #    endif /* __FreeBSD_version >= 199512 */
1019 #    if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
1020 #     define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1021 #    endif /* __FreeBSD_version >= 222000 */
1022 #    if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
1023 #     ifndef SMRSH_CMDDIR
1024 #      define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
1025 #     endif /* ! SMRSH_CMDDIR */
1026 #     ifndef SMRSH_PATH
1027 #      define SMRSH_PATH	"/bin:/usr/bin"
1028 #     endif /* ! SMRSH_PATH */
1029 #    endif /* __FreeBSD_version >= 330000 */
1030 #    if __FreeBSD_version >= 430000	/* 4.3.0-release and later */
1031 #     define SOCKADDR_LEN_T	socklen_t	/* e.g., arg#3 to accept, getsockname */
1032 #     define SOCKOPT_LEN_T	socklen_t	/* arg#5 to getsockopt */
1033 #    endif /* __FreeBSD_version >= 430000 */
1034 #    define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
1035 #    include <sys/sysctl.h>
1036 #   endif /* __FreeBSD__ >= 2 */
1037 #   ifndef SPT_TYPE
1038 #    define SPT_TYPE	SPT_REUSEARGV
1039 #    define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1040 #   endif /* ! SPT_TYPE */
1041 #  endif /* defined(__FreeBSD__) */
1042 #  if defined(__OpenBSD__)
1043 #   undef SPT_TYPE
1044 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
1045 #   define HASSETLOGIN	1	/* has setlogin(2) */
1046 #   if OpenBSD < 200305
1047 #    define HASSETREUID	0	/* setreuid(2) broken in OpenBSD < 3.3 */
1048 #   endif /* OpenBSD < 200305 */
1049 #   define HASSETEGID	1	/* use setegid(2) to set saved gid */
1050 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1051 #   if OpenBSD >= 200006
1052 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1053 #   endif /* OpenBSD >= 200006 */
1054 #   if OpenBSD >= 200012
1055 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1056 #   endif /* OpenBSD >= 200012 */
1057 #   if OpenBSD >= 200405
1058 #    define HASCLOSEFROM	1	/* closefrom(3) added in 3.5 */
1059 #   endif /* OpenBSD >= 200405 */
1060 #   if OpenBSD >= 200505
1061 #    undef NETISO	/* iso.h removed in 3.7 */
1062 #   endif /* OpenBSD >= 200505 */
1063 #  endif /* defined(__OpenBSD__) */
1064 # endif /* defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
1065 
1066 
1067 /*
1068 **  Mach386
1069 **
1070 **	For mt Xinu's Mach386 system.
1071 */
1072 
1073 # if defined(MACH) && defined(i386) && !defined(__GNU__)
1074 #  define MACH386	1
1075 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1076 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1077 #  ifndef HASFLOCK
1078 #   define HASFLOCK	1	/* has flock(2) call */
1079 #  endif /* ! HASFLOCK */
1080 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1081 #  define NEEDSTRTOL	1	/* need the strtol() function */
1082 #  define setpgid	setpgrp
1083 #  ifndef LA_TYPE
1084 #   define LA_TYPE	LA_FLOAT
1085 #  endif /* ! LA_TYPE */
1086 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1087 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1088 #  undef WEXITSTATUS
1089 #  undef WIFEXITED
1090 #  ifndef _PATH_VENDOR_CF
1091 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1092 #  endif /* ! _PATH_VENDOR_CF */
1093 #  ifndef _PATH_SENDMAILPID
1094 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1095 #  endif /* ! _PATH_SENDMAILPID */
1096 # endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
1097 
1098 
1099 
1100 /*
1101 **  GNU OS (hurd)
1102 **	Largely BSD & posix compatible.
1103 **	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
1104 **	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
1105 */
1106 
1107 # if defined(__GNU__) && !defined(NeXT)
1108 #  include <paths.h>
1109 #  define HASFCHMOD	1	/* has fchmod(2) call */
1110 #  define HASFCHOWN	1	/* has fchown(2) call */
1111 #  define HASUNAME	1	/* has uname(2) call */
1112 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1113 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
1114 #  define HASSTRERROR	1	/* has strerror(3) */
1115 #  define GIDSET_T	gid_t
1116 #  define SOCKADDR_LEN_T	socklen_t
1117 #  define SOCKOPT_LEN_T	socklen_t
1118 #  if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
1119 #   define LA_TYPE	LA_SUBR
1120 #  else /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1121 #   define LA_TYPE	LA_MACH
1122    /* GNU uses mach[34], which renames some rpcs from mach2.x. */
1123 #   define host_self	mach_host_self
1124 #  endif /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1125 #  define SFS_TYPE	SFS_STATFS
1126 #  define SPT_TYPE	SPT_CHANGEARGV
1127 #  define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
1128 #  define BSD4_4_SOCKADDR	1	/* has sa_len */
1129 #  define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
1130 #  define HAS_IN_H	1	/* GNU has netinet/in.h. */
1131 /* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
1132 #  define MAXPATHLEN	2048
1133 # endif /* defined(__GNU__) && !defined(NeXT) */
1134 
1135 /*
1136 **  4.3 BSD -- this is for very old systems
1137 **
1138 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
1139 **
1140 **	You'll also have to install a new resolver library.
1141 **	I don't guarantee that support for this environment is complete.
1142 */
1143 
1144 # if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1145 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1146 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1147 #  define ARBPTR_T	char *
1148 #  define setpgid	setpgrp
1149 #  ifndef LA_TYPE
1150 #   define LA_TYPE	LA_FLOAT
1151 #  endif /* ! LA_TYPE */
1152 #  ifndef _PATH_VENDOR_CF
1153 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1154 #  endif /* ! _PATH_VENDOR_CF */
1155 #  ifndef IDENTPROTO
1156 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1157 #  endif /* ! IDENTPROTO */
1158 #  undef WEXITSTATUS
1159 #  undef WIFEXITED
1160 typedef short		pid_t;
1161 # endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1162 
1163 
1164 /*
1165 **  SCO Unix
1166 **
1167 **	This includes three parts:
1168 **
1169 **	The first is for SCO OpenServer 5.
1170 **	(Contributed by Keith Reynolds <keithr@sco.COM>).
1171 **
1172 **		SCO OpenServer 5 has a compiler version number macro,
1173 **		which we can use to figure out what version we're on.
1174 **		This may have to change in future releases.
1175 **
1176 **	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1177 **	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1178 **
1179 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1180 */
1181 
1182 /* SCO OpenServer 5 */
1183 # if _SCO_DS >= 1
1184 #  include <paths.h>
1185 #  define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1186 #  define HASFCHMOD	1	/* has fchmod(2) call */
1187 #  define HASFCHOWN	1	/* has fchown(2) call */
1188 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1189 #  define USESETEUID	1	/* has seteuid(2) call */
1190 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1191 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1192 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1193 #  define LDA_USE_LOCKF	1
1194 #  ifndef LA_TYPE
1195 #   define LA_TYPE	LA_DEVSHORT
1196 #  endif /* ! LA_TYPE */
1197 #  define _PATH_AVENRUN	"/dev/table/avenrun"
1198 #  ifndef _SCO_unix_4_2
1199 #   define _SCO_unix_4_2
1200 #  else /* ! _SCO_unix_4_2 */
1201 #   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1202 #   define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
1203 #  endif /* ! _SCO_unix_4_2 */
1204 # endif /* _SCO_DS >= 1 */
1205 
1206 /* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1207 # ifdef _SCO_unix_4_2
1208 #  define _SCO_unix_
1209 #  define HASSETREUID	1	/* has setreuid(2) call */
1210 # endif /* _SCO_unix_4_2 */
1211 
1212 /* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1213 # ifdef _SCO_unix_
1214 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1215 #  define SYSTEM5	1	/* include all the System V defines */
1216 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1217 #  define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1218 #  ifndef USE_SIGLONGJMP
1219 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1220 #  endif /* ! USE_SIGLONGJMP */
1221 #  define MAXPATHLEN	PATHSIZE
1222 #  define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1223 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1224 #  define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1225 #  define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1226 #  define UID_T		uid_t
1227 #  define GID_T		gid_t
1228 #  define GIDSET_T	gid_t
1229 #  define _PATH_UNIX		"/unix"
1230 #  ifndef _PATH_VENDOR_CF
1231 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1232 #  endif /* ! _PATH_VENDOR_CF */
1233 #  ifndef _PATH_SENDMAILPID
1234 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1235 #  endif /* ! _PATH_SENDMAILPID */
1236 
1237 /* stuff fixed in later releases */
1238 #  ifndef _SCO_unix_4_2
1239 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1240 #  endif /* ! _SCO_unix_4_2 */
1241 
1242 #  ifndef _SCO_DS
1243 #   define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1244 #   define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1245 #   define NETUNIX	0	/* no unix domain socket support */
1246 #   define LA_TYPE	LA_SHORT
1247 #  endif /* ! _SCO_DS */
1248 
1249 # endif /* _SCO_unix_ */
1250 
1251 /*
1252 **  ISC (SunSoft) Unix.
1253 **
1254 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1255 */
1256 
1257 # ifdef ISC_UNIX
1258 #  include <net/errno.h>
1259 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1260 #  include <sys/bsdtypes.h>
1261 #  define SYSTEM5	1	/* include all the System V defines */
1262 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1263 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1264 #  define HASSETREUID	1	/* has setreuid(2) call */
1265 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1266 #  define NETUNIX	0	/* no unix domain socket support */
1267 #  define MAXPATHLEN	1024
1268 #  define LA_TYPE	LA_SHORT
1269 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1270 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1271 #  define _PATH_UNIX		"/unix"
1272 #  ifndef _PATH_VENDOR_CF
1273 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1274 #  endif /* ! _PATH_VENDOR_CF */
1275 #  ifndef _PATH_SENDMAILPID
1276 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1277 #  endif /* ! _PATH_SENDMAILPID */
1278 # endif /* ISC_UNIX */
1279 
1280 
1281 /*
1282 **  Altos System V (5.3.1)
1283 **	Contributed by Tim Rice <tim@trr.metro.net>.
1284 */
1285 
1286 # ifdef ALTOS_SYSTEM_V
1287 #  include <sys/stream.h>
1288 #  include <limits.h>
1289 #  define SYSTEM5	1	/* include all the System V defines */
1290 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1291 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1292 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1293 #  define NEEDFSYNC	1	/* no fsync(2) in system library */
1294 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1295 #  define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1296 #  define MAXPATHLEN	PATH_MAX
1297 #  define LA_TYPE	LA_SHORT
1298 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1299 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1300 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1301 #  define NETUNIX	0	/* no unix domain socket support */
1302 #  undef WIFEXITED
1303 #  undef WEXITSTATUS
1304 #  define strtoul	strtol	/* gcc library bogosity */
1305 
1306 typedef unsigned short	uid_t;
1307 typedef unsigned short	gid_t;
1308 typedef short		pid_t;
1309 typedef unsigned long	mode_t;
1310 
1311 /* some stuff that should have been in the include files */
1312 extern char		*malloc();
1313 extern struct passwd	*getpwent();
1314 extern struct passwd	*getpwnam();
1315 extern struct passwd	*getpwuid();
1316 extern char		*getenv();
1317 extern struct group	*getgrgid();
1318 extern struct group	*getgrnam();
1319 
1320 # endif /* ALTOS_SYSTEM_V */
1321 
1322 
1323 /*
1324 **  ConvexOS 11.0 and later
1325 **
1326 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1327 **	works on 9.1 as well.
1328 **
1329 **  ConvexOS 11.5 and later, should work on 11.0 as defined.
1330 **  For pre-ConvexOOS 11.0, define SM_CONF_GETOPT=0, undef IDENTPROTO
1331 **
1332 **	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1333 **		(now the CONVEX Technologies Center of Hewlett Packard)
1334 */
1335 
1336 # ifdef _CONVEX_SOURCE
1337 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1338 #  define HASINITGROUPS	1	/* has initgroups(3) */
1339 #  define HASUNAME	1	/* use System V uname(2) system call */
1340 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1341 #  define HASUNSETENV	1	/* has unsetenv(3) */
1342 #  define HASFLOCK	1	/* has flock(2) */
1343 #  define HASSETRLIMIT	1	/* has setrlimit(2) */
1344 #  define HASSETREUID	1	/* has setreuid(2) */
1345 #  define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1346 #  define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1347 #  define SM_CONF_GETOPT	1	/* need a replacement for getopt(3) */
1348 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1349 #  define LA_TYPE	LA_FLOAT
1350 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1351 #  ifndef _PATH_VENDOR_CF
1352 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1353 #  endif /* ! _PATH_VENDOR_CF */
1354 #  ifndef S_IREAD
1355 #   define S_IREAD	_S_IREAD
1356 #   define S_IWRITE	_S_IWRITE
1357 #   define S_IEXEC	_S_IEXEC
1358 #   define S_IFMT	_S_IFMT
1359 #   define S_IFCHR	_S_IFCHR
1360 #   define S_IFBLK	_S_IFBLK
1361 #  endif /* ! S_IREAD */
1362 #  ifndef TZ_TYPE
1363 #   define TZ_TYPE	TZ_TIMEZONE
1364 #  endif /* ! TZ_TYPE */
1365 #  ifndef IDENTPROTO
1366 #   define IDENTPROTO	1
1367 #  endif /* ! IDENTPROTO */
1368 #  ifndef SHARE_V1
1369 #   define SHARE_V1	1	/* version 1 of the fair share scheduler */
1370 #  endif /* ! SHARE_V1 */
1371 #  if !defined(__GNUC__ )
1372 #   define UID_T	int		/* GNUC gets it right, ConvexC botches */
1373 #   define GID_T	int		/* GNUC gets it right, ConvexC botches */
1374 #  endif /* !defined(__GNUC__ ) */
1375 #  if SECUREWARE
1376 #   define FORK	fork		/* SecureWare wants the real fork! */
1377 #  else /* SECUREWARE */
1378 #   define FORK	vfork		/* the rest of the OS versions don't care */
1379 #  endif /* SECUREWARE */
1380 # endif /* _CONVEX_SOURCE */
1381 
1382 
1383 /*
1384 **  RISC/os 4.52
1385 **
1386 **	Gives a ton of warning messages, but otherwise compiles.
1387 */
1388 
1389 # ifdef RISCOS
1390 
1391 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1392 #  ifndef HASFLOCK
1393 #   define HASFLOCK	1	/* has flock(2) call */
1394 #  endif /* ! HASFLOCK */
1395 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1396 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1397 #  define NEEDPUTENV	1	/* need putenv(3) call */
1398 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1399 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1400 #  define LA_TYPE	LA_INT
1401 #  define LA_AVENRUN	"avenrun"
1402 #  define _PATH_UNIX	"/unix"
1403 #  undef WIFEXITED
1404 
1405 #  define setpgid	setpgrp
1406 
1407 typedef int		pid_t;
1408 #  define SIGFUNC_DEFINED
1409 #  define SIGFUNC_RETURN	(0)
1410 #  define SIGFUNC_DECL	int
1411 typedef int		(*sigfunc_t)();
1412 extern char		*getenv();
1413 extern void		*malloc();
1414 
1415 /* added for RISC/os 4.01...which is dumber than 4.50 */
1416 #  ifdef RISCOS_4_0
1417 #   ifndef ARBPTR_T
1418 #    define ARBPTR_T	char *
1419 #   endif /* ! ARBPTR_T */
1420 #   undef HASFLOCK
1421 #   define HASFLOCK	0
1422 #  endif /* RISCOS_4_0 */
1423 
1424 #  include <sys/time.h>
1425 
1426 # endif /* RISCOS */
1427 
1428 
1429 /*
1430 **  Linux 0.99pl10 and above...
1431 **
1432 **  Thanks to, in reverse order of contact:
1433 **
1434 **	John Kennedy <warlock@csuchico.edu>
1435 **	Andrew Pam <avatar@aus.xanadu.com>
1436 **	Florian La Roche <rzsfl@rz.uni-sb.de>
1437 **	Karl London <karl@borg.demon.co.uk>
1438 **
1439 **  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1440 **	file locking is no longer allowed.  In particular, make sure
1441 **	your DBM library and sendmail are both using either flock(2)
1442 **	*or* fcntl(2) file locking, but not both.
1443 */
1444 
1445 # ifdef __linux__
1446 #  include <linux/version.h>
1447 #  if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1448 #   define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1449 #  endif /* !defined(KERNEL_VERSION) */
1450 #  define BSD		1	/* include BSD defines */
1451 #  define HASSETREGID	1	/* use setregid(2) to set saved gid */
1452 #  ifndef REQUIRES_DIR_FSYNC
1453 #   define REQUIRES_DIR_FSYNC	1	/* requires fsync() on directory */
1454 #  endif /* REQUIRES_DIR_FSYNC */
1455 #  ifndef USESETEUID
1456 #   define USESETEUID	0	/* has it due to POSIX, but doesn't work */
1457 #  endif /* USESETEUID */
1458 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1459 #  define HASUNAME	1	/* use System V uname(2) system call */
1460 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1461 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1462 #  define GIDSET_T	gid_t	/* from <linux/types.h> */
1463 #  ifndef HASGETUSERSHELL
1464 #   define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1465 #  endif /* HASGETUSERSHELL */
1466 #  ifndef IP_SRCROUTE
1467 #   define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1468 #  endif /* ! IP_SRCROUTE */
1469 #  ifndef HAS_IN_H
1470 #   define HAS_IN_H	1	/* use netinet/in.h */
1471 #  endif /* ! HAS_IN_H */
1472 #  ifndef USE_SIGLONGJMP
1473 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1474 #  endif /* ! USE_SIGLONGJMP */
1475 #  ifndef HASFLOCK
1476 #   if LINUX_VERSION_CODE < 66399
1477 #    define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1478 #   else /* LINUX_VERSION_CODE < 66399 */
1479 #     if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
1480 #      define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1481 #     else /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */
1482 #      define HASFLOCK	0	/* flock(2) is broken (again) after 2.4.0 */
1483 #     endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */
1484 #   endif /* LINUX_VERSION_CODE < 66399 */
1485 #  endif /* ! HASFLOCK */
1486 #  ifndef LA_TYPE
1487 #   define LA_TYPE	LA_PROCSTR
1488 #  endif /* ! LA_TYPE */
1489 #  define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1490 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1491 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1492 #   ifndef HASURANDOMDEV
1493 #    define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1494 #   endif /* ! HASURANDOMDEV */
1495 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) */
1496 #  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1497 #   define HASSTRERROR	1	/* has strerror(3) */
1498 #  endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1499 #  ifndef TZ_TYPE
1500 #   define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1501 #  endif /* ! TZ_TYPE */
1502 #  if (__GLIBC__ >= 2)
1503 #   include <paths.h>
1504 #  endif /* (__GLIBC__ >= 2) */
1505 #  ifndef _PATH_SENDMAILPID
1506 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1507 #  endif /* ! _PATH_SENDMAILPID */
1508 #  include <sys/sysmacros.h>
1509 #  undef atol			/* wounded in <stdlib.h> */
1510 #  if NETINET6
1511    /*
1512    **  Linux doesn't have a good way to tell userland what interfaces are
1513    **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1514    **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1515    **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1516    */
1517 #   define ADDRCONFIG_IS_BROKEN	1
1518 
1519    /*
1520    **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1521    **  in 2.1 and later, but the APIs appear before the functions.
1522    */
1523 #   if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1524 #    define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__)
1525 #    if (GLIBC_VERSION >= 0x201)
1526 #     undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1527 #    else /* (GLIBC_VERSION >= 0x201) */
1528 #     include <linux/in6.h>	/* IPv6 support */
1529 #    endif /* (GLIBC_VERSION >= 0x201) */
1530 #    if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE))
1531      /* Have APIs in <netdb.h>, but no support in glibc */
1532 #     define NEEDSGETIPNODE	1
1533 #    endif /* (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE)) */
1534 #    undef GLIBC_VERSION
1535 #   endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1536 #  endif /* NETINET6 */
1537 #  ifndef HASFCHOWN
1538 #   define HASFCHOWN	1	/* fchown(2) */
1539 #  endif /* ! HASFCHOWN */
1540 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD)
1541 #    define HASFCHMOD	1	/* fchmod(2) */
1542 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD) */
1543 # endif /* __linux__ */
1544 
1545 
1546 /*
1547 **  DELL SVR4 Issue 2.2, and others
1548 **	From Kimmo Suominen <kim@grendel.lut.fi>
1549 **
1550 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1551 **	defined, and the definitions conflict.
1552 **
1553 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1554 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1555 **	(SVR4.0/386 version 3.0).
1556 */
1557 
1558 # ifdef DELL_SVR4
1559 				/* no changes necessary */
1560 				/* see general __svr4__ defines below */
1561 # endif /* DELL_SVR4 */
1562 
1563 
1564 /*
1565 **  Apple A/UX 3.0
1566 */
1567 
1568 # ifdef _AUX_SOURCE
1569 #  include <sys/sysmacros.h>
1570 #  define BSD			/* has BSD routines */
1571 #  define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1572 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1573 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1574 #  define HASUNAME	1	/* use System V uname(2) system call */
1575 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1576 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1577 #  define HASSETVBUF	1	/* has setvbuf(3) in libc */
1578 #  define HASSTRERROR	1	/* has strerror(3) */
1579 #  define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1580 #  define SIGFUNC_RETURN		/* POSIX-mode */
1581 #  define SIGFUNC_DECL	void	/* POSIX-mode */
1582 #  define ERRLIST_PREDEFINED	1
1583 #  ifndef IDENTPROTO
1584 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1585 #  endif /* ! IDENTPROTO */
1586 #  ifndef LA_TYPE
1587 #   define LA_TYPE	LA_INT
1588 #   define FSHIFT	16
1589 #  endif /* ! LA_TYPE */
1590 #  define LA_AVENRUN	"avenrun"
1591 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1592 #  define TZ_TYPE	TZ_TZNAME
1593 #  ifndef _PATH_UNIX
1594 #   define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1595 #  endif /* ! _PATH_UNIX */
1596 #  ifndef _PATH_VENDOR_CF
1597 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1598 #  endif /* ! _PATH_VENDOR_CF */
1599 #  undef WIFEXITED
1600 #  undef WEXITSTATUS
1601 # endif /* _AUX_SOURCE */
1602 
1603 
1604 /*
1605 **  Encore UMAX V
1606 **
1607 **	Not extensively tested.
1608 */
1609 
1610 # ifdef UMAXV
1611 #  define HASUNAME	1	/* use System V uname(2) system call */
1612 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1613 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1614 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1615 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1616 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1617 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1618 #  define MAXPATHLEN	PATH_MAX
1619 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1620 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1621 #  undef WIFEXITED
1622 #  undef WEXITSTATUS
1623 # endif /* UMAXV */
1624 
1625 
1626 /*
1627 **  Stardent Titan 3000 running TitanOS 4.2.
1628 **
1629 **	Must be compiled in "cc -43" mode.
1630 **
1631 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1632 **
1633 **	Note the tweaking below after the BSD defines are set.
1634 */
1635 
1636 # ifdef titan
1637 #  define setpgid	setpgrp
1638 typedef int		pid_t;
1639 #  undef WIFEXITED
1640 #  undef WEXITSTATUS
1641 # endif /* titan */
1642 
1643 
1644 /*
1645 **  Sequent DYNIX 3.2.0
1646 **
1647 **	From Jim Davis <jdavis@cs.arizona.edu>.
1648 */
1649 
1650 # ifdef sequent
1651 
1652 #  define BSD		1
1653 #  define HASUNSETENV	1
1654 #  define BSD4_3		1	/* to get signal() in conf.c */
1655 #  define WAITUNION	1
1656 #  define LA_TYPE	LA_FLOAT
1657 #  ifdef _POSIX_VERSION
1658 #   undef _POSIX_VERSION		/* set in <unistd.h> */
1659 #  endif /* _POSIX_VERSION */
1660 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1661 #  define setpgid	setpgrp
1662 
1663 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1664 #  undef	WIFEXITED
1665 #  define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1666 			 ((union wait*)&(s))->w_termsig == 0)
1667 #  define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1668 typedef int		pid_t;
1669 #  define isgraph(c)	(isprint(c) && (c != ' '))
1670 
1671 #  ifndef IDENTPROTO
1672 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1673 #  endif /* ! IDENTPROTO */
1674 
1675 #  ifndef _PATH_UNIX
1676 #   define _PATH_UNIX		"/dynix"
1677 #  endif /* ! _PATH_UNIX */
1678 #  ifndef _PATH_VENDOR_CF
1679 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1680 #  endif /* ! _PATH_VENDOR_CF */
1681 # endif /* sequent */
1682 
1683 
1684 /*
1685 **  Sequent DYNIX/ptx v2.0 (and higher)
1686 **
1687 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
1688 **
1689 **	From Tim Wright <timw@sequent.com>.
1690 **	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1691 **		for DYNIX/ptx 4.0.2.
1692 */
1693 
1694 # ifdef _SEQUENT_
1695 #  include <sys/stream.h>
1696 #  define SYSTEM5	1	/* include all the System V defines */
1697 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1698 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1699 #  define HASSETREUID	1	/* has setreuid(2) call */
1700 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1701 #  define GIDSET_T	gid_t
1702 #  define LA_TYPE	LA_INT
1703 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1704 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1705 #  ifndef IDENTPROTO
1706 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1707 #  endif /* ! IDENTPROTO */
1708 #  ifndef _PATH_VENDOR_CF
1709 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1710 #  endif /* ! _PATH_VENDOR_CF */
1711 #  ifndef _PATH_SENDMAILPID
1712 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1713 #  endif /* ! _PATH_SENDMAILPID */
1714 # endif /* _SEQUENT_ */
1715 
1716 /*
1717 **  Cray UNICOS, UNICOS/mk, and UNICOS/mp
1718 **
1719 **    UNICOS:
1720 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
1721 **	Update Brian Ginsbach <ginsbach@cray.com>
1722 **    UNICOS/mk (Cray T3E):
1723 **	Contributed by Manu Mahonen <mailadm@csc.fi>
1724 **	of Center for Scientific Computing.
1725 **	Update Brian Ginsbach <ginsbach@cray.com>
1726 **    UNICOS/mp:
1727 **	From Aaron Davis <awd@cray.com> & Brian Ginsbach <ginsbach@cray.com>
1728 */
1729 
1730 # if defined(_CRAY) || defined(UNICOS) || defined(_UNICOSMP)
1731 #  define SYSTEM5	1	/* include all the System V defines */
1732 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1733 #  define HASFCHOWN	1	/* has fchown(2) */
1734 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1735 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1736 #  define HASSETREUID	1	/* has setreuid(2) call */
1737 #  define USESETEUID	1	/* has usable seteuid(2) call */
1738 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
1739 #  define HASSTRERROR	1	/* has strerror(3) */
1740 #  define GIDSET_T	gid_t
1741 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1742 #  define SFS_BAVAIL	f_bfree	/* alternate field name */
1743 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
1744 #  ifdef UNICOS
1745 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1746 #   define LA_TYPE	LA_ZERO
1747 #   define _PATH_MAILDIR	"/usr/spool/mail"
1748 #   define GET_IPOPT_DST(dst) *(struct in_addr *)&(dst)
1749 #   ifndef MAXPATHLEN
1750 #    define MAXPATHLEN PATHSIZE
1751 #   endif /* ! MAXPATHLEN */
1752 #   ifndef _PATH_UNIX
1753 #    ifdef UNICOSMK
1754 #     define _PATH_UNIX		"/unicosmk.ar"
1755 #    else
1756 #     define _PATH_UNIX		"/unicos"
1757 #    endif /* UNICOSMK */
1758 #   endif /* ! _PATH_UNIX */
1759 #   ifndef _PATH_VENDOR_CF
1760 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1761 #   endif /* ! _PATH_VENDOR_CF */
1762 #  endif /* UNICOS */
1763 #  ifdef _UNICOSMP
1764 #  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
1765     /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
1766 #   define _SC_NPROCESSORS_ONLN  _SC_NPROC_ONLN
1767 #  endif /* if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) */
1768 #   define HASGETUSERSHELL 0		/* does not have getusershell(3) call */
1769 #   define HASSETRLIMIT	   1		/* has setrlimit(2) syscall */
1770 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
1771 #   include <sys/cdefs.h>
1772 #   include <paths.h>
1773 #   define ARGV_T char *const *
1774 #  endif /* _UNICOSMP */
1775 # endif /* _CRAY */
1776 
1777 /*
1778 **  Apollo DomainOS
1779 **
1780 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1781 **
1782 **  15 Jan 1994; updated 2 Aug 1995
1783 **
1784 */
1785 
1786 # ifdef apollo
1787 #  define HASSETREUID	1	/* has setreuid(2) call */
1788 #  define HASINITGROUPS	1	/* has initgroups(2) call */
1789 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1790 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1791 #  define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1792 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1793 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1794 #  define TZ_TYPE	TZ_TZNAME
1795 #  ifndef _PATH_VENDOR_CF
1796 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1797 #  endif /* ! _PATH_VENDOR_CF */
1798 #  ifndef _PATH_SENDMAILPID
1799 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1800 #  endif /* ! _PATH_SENDMAILPID */
1801 #  undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1802 #  undef	 S_IFIFO
1803 #  define S_IFIFO	0010000
1804 #  ifndef IDENTPROTO
1805 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1806 #  endif /* ! IDENTPROTO */
1807 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1808 #  if defined(NGROUPS_MAX) && !NGROUPS_MAX
1809 #   undef NGROUPS_MAX
1810 #  endif /* defined(NGROUPS_MAX) && !NGROUPS_MAX */
1811 # endif /* apollo */
1812 
1813 /*
1814 **  MPE-iX
1815 **
1816 **	Requires MPE 6.0 or greater.  See sendmail/README for more info.
1817 **
1818 **	From Mark Bixby <mark_bixby@hp.com> or <mark@bixby.org>.
1819 */
1820 
1821 # ifdef MPE
1822 
1823 #  include <sys/sysmacros.h>
1824 #  include <fcntl.h>
1825 
1826 /* Sendmail stuff */
1827 #  define HASFCHOWN		0	/* lacks fchown() */
1828 #  define HASGETUSERSHELL	0	/* lacks getusershell() */
1829 #  ifdef HASNICE
1830 #   undef  HASNICE
1831 #  endif /* HASNICE */
1832 #  define HASNICE		0	/* lacks nice() */
1833 #  define HASRANDOM		0	/* lacks random() */
1834 #  ifdef HASRRESVPORT
1835 #   undef HASRRESVPORT
1836 #  endif /* HASRRESVPORT */
1837 #  define HASRRESVPORT		0	/* lacks rresvport() */
1838 #  define IP_SRCROUTE		0	/* lacks IP source routing fields */
1839 #  ifdef MATCHGECOS
1840 #   undef MATCHGECOS
1841 #  endif /* MATCHGECOS */
1842 #  define MATCHGECOS		0	/* lacks an initialized GECOS field */
1843 #  define NEEDFSYNC		1	/* use sendmail's fsync() */
1844 #  define NEEDLINK		1	/* use sendmail's link() */
1845 #  define NOFTRUNCATE		1	/* lacks ftruncate() */
1846 #  define SFS_TYPE		SFS_NONE /* can't determine disk space */
1847 #  define SM_CONF_SYSLOG	0	/* use sendmail decl of syslog() */
1848 #  define USE_DOUBLE_FORK	0	/* don't fork an intermediate zombie */
1849 #  define USE_ENVIRON		1	/* use environ instead of envp */
1850 
1851 /* Missing header stuff */
1852 #  define AF_UNSPEC		0
1853 #  define AF_MAX		AF_INET
1854 #  define IFF_LOOPBACK		0x8
1855 #  define IN_LOOPBACKNET	127
1856 #  define MAXNAMLEN		NAME_MAX
1857 #  define S_IEXEC		S_IXUSR
1858 #  define S_IREAD		S_IRUSR
1859 #  define S_IWRITE		S_IWUSR
1860 
1861 /* Present header stuff that needs to be missing */
1862 #  undef NGROUPS_MAX
1863 
1864 /* Shadow functions */
1865 #  define bind		sendmail_mpe_bind
1866 #  define _exit		sendmail_mpe__exit
1867 #  define exit		sendmail_mpe_exit
1868 #  define fcntl		sendmail_mpe_fcntl
1869 #  define getegid	sendmail_mpe_getegid
1870 #  define geteuid	sendmail_mpe_geteuid
1871 #  define getpwnam	sendmail_mpe_getpwnam
1872 #  define getpwuid	sendmail_mpe_getpwuid
1873 #  define setgid	sendmail_mpe_setgid
1874 #  define setuid	sendmail_mpe_setuid
1875 extern int		sendmail_mpe_fcntl __P((int, int, ...));
1876 extern struct passwd *	sendmail_mpe_getpwnam __P((const char *));
1877 extern struct passwd *	sendmail_mpe_getpwuid __P((uid_t));
1878 # endif /* MPE */
1879 
1880 /*
1881 **  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1882 **
1883 **	Contributed by Paul Gampe <paulg@apnic.net>
1884 */
1885 
1886 # ifdef __svr5__
1887 #  include <sys/mkdev.h>
1888 #  define __svr4__
1889 #  define SYS5SIGNALS		1
1890 #  define HASFCHOWN		1	/* has fchown(2) call */
1891 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1892 #  define HASSETREUID		1
1893 #  define HASWAITPID		1
1894 #  define HASGETDTABLESIZE	1
1895 #  define GIDSET_T		gid_t
1896 #  define SOCKADDR_LEN_T	size_t
1897 #  define SOCKOPT_LEN_T		size_t
1898 #  ifndef _PATH_UNIX
1899 #   define _PATH_UNIX		"/stand/unix"
1900 #  endif /* ! _PATH_UNIX */
1901 #  define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1902 #  ifndef SYSLOG_BUFSIZE
1903 #   define SYSLOG_BUFSIZE	1024	/* unsure */
1904 #  endif /* ! SYSLOG_BUFSIZE */
1905 #  ifndef _PATH_VENDOR_CF
1906 #   define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1907 #  endif /* ! _PATH_VENDOR_CF */
1908 #  ifndef _PATH_SENDMAILPID
1909 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1910 #  endif /* ! _PATH_SENDMAILPID */
1911 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1912 #if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT)
1913 # define SM_SET_H_ERRNO(err)	set_h_errno((err))
1914 #endif /* ! SM_SET_H_ERRNO && _REENTRANT */
1915 # endif /* __svr5__ */
1916 
1917 /* ###################################################################### */
1918 
1919 /*
1920 **  UnixWare 2.x
1921 */
1922 
1923 # ifdef UNIXWARE2
1924 #  define UNIXWARE	1
1925 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1926 # endif /* UNIXWARE2 */
1927 
1928 
1929 /*
1930 **  UnixWare 1.1.2.
1931 **
1932 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1933 **	From Evan Champion <evanc@spatial.synapse.org>.
1934 */
1935 
1936 # ifdef UNIXWARE
1937 #  include <sys/mkdev.h>
1938 #  define SYSTEM5		1
1939 #  define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1940 #  define HASSETREUID		1
1941 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1942 #  define HASINITGROUPS		1
1943 #  define GIDSET_T		gid_t
1944 #  define SLEEP_T		unsigned
1945 #  define SFS_TYPE		SFS_STATVFS
1946 #  define LA_TYPE		LA_ZERO
1947 #  undef WIFEXITED
1948 #  undef WEXITSTATUS
1949 #  ifndef _PATH_UNIX
1950 #   define _PATH_UNIX		"/unix"
1951 #  endif /* ! _PATH_UNIX */
1952 #  ifndef _PATH_VENDOR_CF
1953 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1954 #  endif /* ! _PATH_VENDOR_CF */
1955 #  ifndef _PATH_SENDMAILPID
1956 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1957 #  endif /* ! _PATH_SENDMAILPID */
1958 #  define SYSLOG_BUFSIZE	128
1959 # endif /* UNIXWARE */
1960 
1961 
1962 /*
1963 **  Intergraph CLIX 3.1
1964 **
1965 **	From Paul Southworth <pauls@locust.cic.net>
1966 */
1967 
1968 # ifdef CLIX
1969 #  define SYSTEM5	1	/* looks like System V */
1970 #  ifndef HASGETUSERSHELL
1971 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1972 #  endif /* ! HASGETUSERSHELL */
1973 #  define DEV_BSIZE	512	/* device block size not defined */
1974 #  define GIDSET_T	gid_t
1975 #  undef LOG			/* syslog not available */
1976 #  define NEEDFSYNC	1	/* no fsync in system library */
1977 #  define GETSHORT	_getshort
1978 # endif /* CLIX */
1979 
1980 
1981 /*
1982 **  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
1983 **
1984 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1985 */
1986 
1987 # ifdef NCR_MP_RAS2
1988 #  include <sys/sockio.h>
1989 #  define __svr4__
1990 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1991 #  define SYSLOG_BUFSIZE	1024
1992 #  define SPT_TYPE  SPT_NONE
1993 # endif /* NCR_MP_RAS2 */
1994 
1995 
1996 /*
1997 **  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
1998 **
1999 **	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
2000 */
2001 
2002 # ifdef NCR_MP_RAS3
2003 #  define __svr4__
2004 #  define HASFCHOWN		1	/* has fchown(2) call */
2005 #  define LDA_USE_LOCKF		1
2006 #  define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
2007 #  define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
2008 #  define SYSLOG_BUFSIZE	1024
2009 #  define SPT_TYPE	SPT_NONE
2010 #  define _PATH_MAILDIR	"/var/mail"
2011 #  ifndef _XOPEN_SOURCE
2012 #   define _XOPEN_SOURCE
2013 #   define _XOPEN_SOURCE_EXTENDED 1
2014 #   include <sys/resource.h>
2015 #   undef _XOPEN_SOURCE
2016 #   undef _XOPEN_SOURCE_EXTENDED
2017 #  endif /* ! _XOPEN_SOURCE */
2018 # endif /* NCR_MP_RAS3 */
2019 
2020 
2021 /*
2022 **  Tandem NonStop-UX SVR4
2023 **
2024 **	From Rick McCarty <mccarty@mpd.tandem.com>.
2025 */
2026 
2027 # ifdef NonStop_UX_BXX
2028 #  define __svr4__
2029 # endif /* NonStop_UX_BXX */
2030 
2031 
2032 /*
2033 **  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
2034 **
2035 **	Tested for 1.04, 1.03
2036 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
2037 **
2038 **	Tested for 4.02, 6.10 and 7.10
2039 **	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
2040 */
2041 
2042 # if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
2043 #  define SYSTEM5	1	/* include all the System V defines */
2044 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2045 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
2046 #  define setreuid(r, e)	setresuid(r, e, -1)
2047 #  define LA_TYPE	LA_FLOAT
2048 #  define SPT_TYPE	SPT_PSTAT
2049 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
2050 #  ifndef HASSETVBUF
2051 #   define HASSETVBUF	/* HI-UX has no setlinebuf */
2052 #  endif /* ! HASSETVBUF */
2053 #  ifndef GIDSET_T
2054 #   define GIDSET_T	gid_t
2055 #  endif /* ! GIDSET_T */
2056 #  ifndef _PATH_UNIX
2057 #   define _PATH_UNIX		"/HI-UX"
2058 #  endif /* ! _PATH_UNIX */
2059 #  ifndef _PATH_VENDOR_CF
2060 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2061 #  endif /* ! _PATH_VENDOR_CF */
2062 #  ifndef IDENTPROTO
2063 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2064 #  endif /* ! IDENTPROTO */
2065 #  ifndef HASGETUSERSHELL
2066 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
2067 #  endif /* ! HASGETUSERSHELL */
2068 #  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
2069 
2070 /*
2071 **  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
2072 **  on HIUX 3050
2073 */
2074 #  undef m_flags
2075 
2076 #  define SM_CONF_SYSLOG	0
2077 
2078 # endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
2079 
2080 
2081 /*
2082 **  Amdahl UTS System V 2.1.5 (SVr3-based)
2083 **
2084 **    From: Janet Jackson <janet@dialix.oz.au>.
2085 */
2086 
2087 # ifdef _UTS
2088 #  include <sys/sysmacros.h>
2089 #  undef HASLSTAT		/* has symlinks, but they cause problems */
2090 #  define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
2091 #  define SYS5SIGNALS	1	/* System V signal semantics */
2092 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2093 #  define HASUNAME	1	/* use System V uname(2) system call */
2094 #  define HASINITGROUPS	1	/* has initgroups(3) function */
2095 #  define HASSETVBUF	1	/* has setvbuf(3) function */
2096 #  ifndef HASGETUSERSHELL
2097 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
2098 #  endif /* ! HASGETUSERSHELL */
2099 #  define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
2100 #  define LA_TYPE	LA_ZERO		/* doesn't have load average */
2101 #  define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
2102 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2103 #  define _PATH_UNIX		"/unix"
2104 #  ifndef _PATH_VENDOR_CF
2105 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2106 #  endif /* ! _PATH_VENDOR_CF */
2107 # endif /* _UTS */
2108 
2109 /*
2110 **  Cray Computer Corporation's CSOS
2111 **
2112 **	From Scott Bolte <scott@craycos.com>.
2113 */
2114 
2115 # ifdef _CRAYCOM
2116 #  define SYSTEM5	1	/* include all the System V defines */
2117 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2118 #  define NEEDFSYNC	1	/* no fsync in system library */
2119 #  define MAXPATHLEN	PATHSIZE
2120 #  define LA_TYPE	LA_ZERO
2121 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
2122 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2123 #  define _POSIX_CHOWN_RESTRICTED	-1
2124 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
2125 # endif /* _CRAYCOM */
2126 
2127 
2128 /*
2129 **  Sony NEWS-OS 4.2.1R and 6.0.3
2130 **
2131 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2132 */
2133 
2134 # ifdef sony_news
2135 #  ifndef __svr4
2136 			/* NEWS-OS 4.2.1R */
2137 #   ifndef BSD
2138 #    define BSD			/* has BSD routines */
2139 #   endif /* ! BSD */
2140 #   define HASUNSETENV	1	/* has unsetenv(2) call */
2141 #   undef HASSETVBUF		/* don't actually have setvbuf(3) */
2142 #   define WAITUNION	1	/* use "union wait" as wait argument type */
2143 #   define LA_TYPE	LA_INT
2144 #   define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2145 #   ifndef HASFLOCK
2146 #    define HASFLOCK	1	/* has flock(2) call */
2147 #   endif /* ! HASFLOCK */
2148 #   define setpgid	setpgrp
2149 #   undef WIFEXITED
2150 #   undef WEXITSTATUS
2151 #   define MODE_T	int	/* system include files have no mode_t */
2152 typedef int		pid_t;
2153 typedef int		(*sigfunc_t)();
2154 #   define SIGFUNC_DEFINED
2155 #   define SIGFUNC_RETURN	(0)
2156 #   define SIGFUNC_DECL		int
2157 
2158 #  else /* ! __svr4 */
2159 			/* NEWS-OS 6.0.3 with /bin/cc */
2160 #   ifndef __svr4__
2161 #    define __svr4__		/* use all System V Release 4 defines below */
2162 #   endif /* ! __svr4__ */
2163 #   define HASSETSID	1	/* has POSIX setsid(2) call */
2164 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
2165 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2166 #   ifndef SPT_TYPE
2167 #    define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
2168 #   endif /* ! SPT_TYPE */
2169 #   define GIDSET_T	gid_t
2170 #   undef WIFEXITED
2171 #   undef WEXITSTATUS
2172 #   ifndef SYSLOG_BUFSIZE
2173 #    define SYSLOG_BUFSIZE	256
2174 #   endif /* ! SYSLOG_BUFSIZE */
2175 #   define _PATH_UNIX		"/stand/unix"
2176 #   ifndef _PATH_VENDOR_CF
2177 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2178 #   endif /* ! _PATH_VENDOR_CF */
2179 #   ifndef _PATH_SENDMAILPID
2180 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2181 #   endif /* ! _PATH_SENDMAILPID */
2182 
2183 #  endif /* ! __svr4 */
2184 # endif /* sony_news */
2185 
2186 
2187 /*
2188 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
2189 **
2190 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2191 */
2192 
2193 # ifdef luna
2194 #  ifndef IDENTPROTO
2195 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2196 #  endif /* ! IDENTPROTO */
2197 #  define HASUNSETENV	1	/* has unsetenv(2) call */
2198 #  define NEEDPUTENV	1	/* need putenv(3) call */
2199 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
2200 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2201 #  define WAITUNION	1	/* use "union wait" as wait argument type */
2202 #  ifdef uniosb
2203 #   include <sys/time.h>
2204 #   define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2205 #   define LA_TYPE	LA_INT
2206 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2207 #  endif /* uniosb */
2208 #  ifdef luna2
2209 #   define LA_TYPE	LA_SUBR
2210 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2211 #  endif /* luna2 */
2212 #  ifdef luna88k
2213 #   define LA_TYPE	LA_INT
2214 #  endif /* luna88k */
2215 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2216 #  define setpgid	setpgrp
2217 #  undef WIFEXITED
2218 #  undef WEXITSTATUS
2219 typedef int		pid_t;
2220 typedef int		(*sigfunc_t)();
2221 #  define SIGFUNC_DEFINED
2222 #  define SIGFUNC_RETURN	(0)
2223 #  define SIGFUNC_DECL	int
2224 extern char	*getenv();
2225 #  ifndef _PATH_VENDOR_CF
2226 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2227 #  endif /* ! _PATH_VENDOR_CF */
2228 # endif /* luna */
2229 
2230 
2231 /*
2232 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2233 **
2234 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2235 */
2236 
2237 # if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2238 #  ifndef __svr4__
2239 #   define __svr4__		/* use all System V Release 4 defines below */
2240 #  endif /* ! __svr4__ */
2241 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2242 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2243 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2244 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2245 #  define GIDSET_T	gid_t
2246 #  undef WIFEXITED
2247 #  undef WEXITSTATUS
2248 #  define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2249 #  ifndef _PATH_VENDOR_CF
2250 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2251 #  endif /* ! _PATH_VENDOR_CF */
2252 #  ifndef _PATH_SENDMAILPID
2253 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2254 #  endif /* ! _PATH_SENDMAILPID */
2255 #  ifndef SYSLOG_BUFSIZE
2256 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2257 #  endif /* ! SYSLOG_BUFSIZE */
2258 # endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2259 
2260 
2261 /*
2262 **  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2263 **
2264 **	From Diego R. Lopez <drlopez@cica.es>.
2265 **	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2266 **		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2267 */
2268 
2269 # ifdef __uxp__
2270 #  include <arpa/nameser.h>
2271 #  include <sys/sysmacros.h>
2272 #  include <sys/mkdev.h>
2273 #  define __svr4__
2274 #  define HASGETUSERSHELL	0
2275 #  define HASFLOCK		0
2276 #  define _PATH_UNIX		"/stand/unix"
2277 #  ifndef _PATH_VENDOR_CF
2278 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2279 #  endif /* ! _PATH_VENDOR_CF */
2280 #  ifndef _PATH_SENDMAILPID
2281 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2282 #  endif /* ! _PATH_SENDMAILPID */
2283 # endif /* __uxp__ */
2284 
2285 /*
2286 **  Pyramid DC/OSx
2287 **
2288 **	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2289 */
2290 
2291 # ifdef DCOSx
2292 #  define GIDSET_T	gid_t
2293 #  ifndef IDENTPROTO
2294 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2295 #  endif /* ! IDENTPROTO */
2296 # endif /* DCOSx */
2297 
2298 /*
2299 **  Concurrent Computer Corporation Maxion
2300 **
2301 **	From Donald R. Laster Jr. <laster@access.digex.net>.
2302 */
2303 
2304 # ifdef __MAXION__
2305 
2306 #  include <sys/stream.h>
2307 #  define __svr4__		1	/* SVR4.2MP */
2308 #  define HASSETREUID		1	/* have setreuid(2) */
2309 #  define HASLSTAT		1	/* have lstat(2) */
2310 #  define HASSETRLIMIT		1	/* have setrlimit(2) */
2311 #  define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2312 #  define HASGETUSERSHELL	1	/* have getusershell(3) */
2313 #  define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2314 #  define SLEEP_T		unsigned
2315 #  define SFS_TYPE		SFS_STATVFS
2316 #  define SFS_BAVAIL		f_bavail
2317 #  ifndef SYSLOG_BUFSIZE
2318 #   define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2319 #  endif /* ! SYSLOG_BUFSIZE */
2320 
2321 #  undef WUNTRACED
2322 #  undef WIFEXITED
2323 #  undef WIFSIGNALED
2324 #  undef WIFSTOPPED
2325 #  undef WEXITSTATUS
2326 #  undef WTERMSIG
2327 #  undef WSTOPSIG
2328 
2329 # endif /* __MAXION__ */
2330 
2331 /*
2332 **  Harris Nighthawk PowerUX (nh6000 box)
2333 **
2334 **  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2335 */
2336 
2337 # ifdef _PowerUX
2338 #  ifndef __svr4__
2339 #   define __svr4__
2340 #  endif /* ! __svr4__ */
2341 #  ifndef _PATH_VENDOR_CF
2342 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2343 #  endif /* ! _PATH_VENDOR_CF */
2344 #  ifndef _PATH_SENDMAILPID
2345 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2346 #  endif /* ! _PATH_SENDMAILPID */
2347 #  define SYSLOG_BUFSIZE		1024
2348 #  define LA_TYPE		LA_ZERO
2349 typedef struct msgb		mblk_t;
2350 #  undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2351 # endif /* _PowerUX */
2352 
2353 /*
2354 **  Siemens Nixdorf Informationssysteme AG SINIX
2355 **
2356 **	Contributed by Gerald Rinske of Siemens Business Services VAS.
2357 */
2358 # ifdef sinix
2359 #  define HASRANDOM		0	/* has random(3) */
2360 #  define SYSLOG_BUFSIZE	1024
2361 #  define SM_INT32		int	/* 32bit integer */
2362 # endif /* sinix */
2363 
2364 
2365 /*
2366 **  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2367 **
2368 **	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2369 */
2370 
2371 # ifdef MOTO
2372 #  define HASFCHMOD		1
2373 #  define HASSETRLIMIT		0
2374 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2375 #  define HASSETREUID		1
2376 #  define HASULIMIT		1
2377 #  define HASWAITPID		1
2378 #  define HASGETDTABLESIZE	1
2379 #  define HASGETUSERSHELL	1
2380 #  define IP_SRCROUTE		0
2381 #  define IDENTPROTO		0
2382 #  define RES_DNSRCH_VARIABLE	_res_dnsrch
2383 #  define _PATH_UNIX		"/unix"
2384 #  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2385 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2386 # endif /* MOTO */
2387 
2388 /*
2389 **  Interix
2390 **	Contributed by Nedelcho Stanev <nedelcho.stanev@atlanticsky.com>
2391 **
2392 **	Used for Interix support.
2393 */
2394 
2395 # if defined(__INTERIX)
2396 #  define HASURANDOMDEV		1
2397 #  define HASGETUSERSHELL	0
2398 #  define HASSTRERROR		1
2399 #  define HASUNSETENV		1
2400 #  define HASFCHOWN		1
2401 #  undef HAVE_SYS_ERRLIST
2402 #  define sys_errlist		__sys_errlist
2403 #  define sys_nerr		__sys_nerr
2404 #  include <sys/mkdev.h>
2405 #  ifndef major
2406 #   define major(dev)		((int)(((dev) >> 8) & 0xff))
2407 #  endif /* ! major */
2408 #  ifndef minor
2409 #   define minor(dev)		((int)((dev) & 0xff))
2410 #  endif /* ! minor */
2411 # endif /* defined(__INTERIX) */
2412 
2413 
2414 /**********************************************************************
2415 **  End of Per-Operating System defines
2416 **********************************************************************/
2417 /**********************************************************************
2418 **  More general defines
2419 **********************************************************************/
2420 
2421 /* general BSD defines */
2422 # ifdef BSD
2423 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2424 #  ifndef HASSETREUID
2425 #   define HASSETREUID	1	/* has setreuid(2) call */
2426 #  endif /* ! HASSETREUID */
2427 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2428 #  ifndef IP_SRCROUTE
2429 #   define IP_SRCROUTE	1	/* can check IP source routing */
2430 #  endif /* ! IP_SRCROUTE */
2431 #  ifndef HASSETRLIMIT
2432 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2433 #  endif /* ! HASSETRLIMIT */
2434 #  ifndef HASFLOCK
2435 #   define HASFLOCK	1	/* has flock(2) call */
2436 #  endif /* ! HASFLOCK */
2437 #  ifndef TZ_TYPE
2438 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2439 #  endif /* ! TZ_TYPE */
2440 # endif /* BSD */
2441 
2442 /* general System V Release 4 defines */
2443 # ifdef __svr4__
2444 #  define SYSTEM5	1
2445 #  define USESETEUID	1	/* has usable seteuid(2) call */
2446 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2447 #  define BSD_COMP	1	/* get BSD ioctl calls */
2448 #  ifndef HASSETRLIMIT
2449 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2450 #  endif /* ! HASSETRLIMIT */
2451 #  ifndef HASGETUSERSHELL
2452 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2453 #  endif /* ! HASGETUSERSHELL */
2454 #  ifndef HASFCHMOD
2455 #   define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2456 #  endif /* ! HASFCHMOD */
2457 
2458 #  ifndef _PATH_UNIX
2459 #   define _PATH_UNIX		"/unix"
2460 #  endif /* ! _PATH_UNIX */
2461 #  ifndef _PATH_VENDOR_CF
2462 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2463 #  endif /* ! _PATH_VENDOR_CF */
2464 #  ifndef _PATH_SENDMAILPID
2465 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2466 #  endif /* ! _PATH_SENDMAILPID */
2467 #  ifndef SYSLOG_BUFSIZE
2468 #   define SYSLOG_BUFSIZE	128
2469 #  endif /* ! SYSLOG_BUFSIZE */
2470 #  ifndef SFS_TYPE
2471 #   define SFS_TYPE		SFS_STATVFS
2472 #  endif /* ! SFS_TYPE */
2473 
2474 #  ifndef USE_SIGLONGJMP
2475 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
2476 #  endif /* ! USE_SIGLONGJMP */
2477 # endif /* __svr4__ */
2478 
2479 # ifdef __SVR4
2480 #  define LDA_USE_LOCKF		1
2481 #  define LDA_USE_SETEUID	1
2482 #  define _PATH_MAILDIR		"/var/mail"
2483 # endif /* __SVR4 */
2484 
2485 /* general System V defines */
2486 # ifdef SYSTEM5
2487 #  include <sys/sysmacros.h>
2488 #  define HASUNAME	1	/* use System V uname(2) system call */
2489 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2490 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2491 #  ifndef HASULIMIT
2492 #   define HASULIMIT	1	/* has the ulimit(2) syscall */
2493 #  endif /* ! HASULIMIT */
2494 #  ifndef LA_TYPE
2495 #   ifdef MIOC_READKSYM
2496 #    define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2497 #   else /* MIOC_READKSYM */
2498 #    define LA_TYPE	LA_INT		/* assume integer load average */
2499 #   endif /* MIOC_READKSYM */
2500 #  endif /* ! LA_TYPE */
2501 #  ifndef SFS_TYPE
2502 #   define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2503 #  endif /* ! SFS_TYPE */
2504 #  ifndef TZ_TYPE
2505 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2506 #  endif /* ! TZ_TYPE */
2507 # endif /* SYSTEM5 */
2508 
2509 /* general POSIX defines */
2510 # ifdef _POSIX_VERSION
2511 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2512 #  define HASWAITPID	1	/* has POSIX waitpid(2) call */
2513 #  if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2514 #   define USESETEUID	1	/* has usable seteuid(2) call */
2515 #  endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2516 # endif /* _POSIX_VERSION */
2517 /*
2518 **  Tweaking for systems that (for example) claim to be BSD or POSIX
2519 **  but don't have all the standard BSD or POSIX routines (boo hiss).
2520 */
2521 
2522 # ifdef titan
2523 #  undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2524 # endif /* titan */
2525 
2526 # ifdef _CRAYCOM
2527 #  undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2528 # endif /* _CRAYCOM */
2529 
2530 # ifdef MOTO
2531 #  undef USESETEUID
2532 # endif /* MOTO */
2533 
2534 /*
2535 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2536 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2537 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2538 **  are closed.  Some firewalls return this error if you try to connect
2539 **  to the IDENT port (113), so you can't receive email from these hosts
2540 **  on these systems.  The firewall really should use a more specific
2541 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2542 **  not explicitly set to zero above, default it on.
2543 */
2544 
2545 # ifndef IDENTPROTO
2546 #  define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2547 # endif /* ! IDENTPROTO */
2548 
2549 # ifndef IP_SRCROUTE
2550 #  define IP_SRCROUTE	1	/* Detect IP source routing */
2551 # endif /* ! IP_SRCROUTE */
2552 
2553 # ifndef HASGETUSERSHELL
2554 #  define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2555 # endif /* ! HASGETUSERSHELL */
2556 
2557 # ifndef NETUNIX
2558 #  define NETUNIX	1	/* include unix domain support */
2559 # endif /* ! NETUNIX */
2560 
2561 # ifndef HASRANDOM
2562 #  define HASRANDOM	1	/* has random(3) support */
2563 # endif /* ! HASRANDOM */
2564 
2565 # ifndef HASFLOCK
2566 #  define HASFLOCK	0	/* assume no flock(2) support */
2567 # endif /* ! HASFLOCK */
2568 
2569 # ifndef HASSETREUID
2570 #  define HASSETREUID	0	/* assume no setreuid(2) call */
2571 # endif /* ! HASSETREUID */
2572 
2573 # ifndef HASFCHMOD
2574 #  define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2575 # endif /* ! HASFCHMOD */
2576 
2577 # ifndef USESETEUID
2578 #  define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2579 # endif /* ! USESETEUID */
2580 
2581 # ifndef HASSETRLIMIT
2582 #  define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2583 # endif /* ! HASSETRLIMIT */
2584 
2585 # ifndef HASULIMIT
2586 #  define HASULIMIT	0	/* assume no ulimit(2) support */
2587 # endif /* ! HASULIMIT */
2588 
2589 # ifndef SECUREWARE
2590 #  define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2591 # endif /* ! SECUREWARE */
2592 
2593 # ifndef USE_DOUBLE_FORK
2594 #  define USE_DOUBLE_FORK	1	/* avoid intermediate zombies */
2595 # endif /* ! USE_DOUBLE_FORK */
2596 
2597 # ifndef USE_ENVIRON
2598 #  define USE_ENVIRON	0	/* use main() envp instead of extern environ */
2599 # endif /* ! USE_ENVIRON */
2600 
2601 # ifndef USE_SIGLONGJMP
2602 #  define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2603 # endif /* ! USE_SIGLONGJMP */
2604 
2605 # ifndef FDSET_CAST
2606 #  define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2607 # endif /* ! FDSET_CAST */
2608 
2609 /*
2610 **  Pick a mailer setuid method for changing the current uid
2611 */
2612 
2613 # define USE_SETEUID	0
2614 # define USE_SETREUID	1
2615 # define USE_SETUID	2
2616 
2617 # if USESETEUID
2618 #  define MAILER_SETUID_METHOD	USE_SETEUID
2619 # else /* USESETEUID */
2620 #  if HASSETREUID
2621 #   define MAILER_SETUID_METHOD	USE_SETREUID
2622 #  else /* HASSETREUID */
2623 #   define MAILER_SETUID_METHOD	USE_SETUID
2624 #  endif /* HASSETREUID */
2625 # endif /* USESETEUID */
2626 
2627 /*
2628 **  If no type for argument two of getgroups call is defined, assume
2629 **  it's an integer -- unfortunately, there seem to be several choices
2630 **  here.
2631 */
2632 
2633 # ifndef GIDSET_T
2634 #  define GIDSET_T	int
2635 # endif /* ! GIDSET_T */
2636 
2637 # ifndef UID_T
2638 #  define UID_T		uid_t
2639 # endif /* ! UID_T */
2640 
2641 # ifndef GID_T
2642 #  define GID_T		gid_t
2643 # endif /* ! GID_T */
2644 
2645 # ifndef MODE_T
2646 #  define MODE_T		mode_t
2647 # endif /* ! MODE_T */
2648 
2649 # ifndef ARGV_T
2650 #  define ARGV_T		char **
2651 # endif /* ! ARGV_T */
2652 
2653 # ifndef SOCKADDR_LEN_T
2654 #  define SOCKADDR_LEN_T	int
2655 # endif /* ! SOCKADDR_LEN_T */
2656 
2657 # ifndef SOCKOPT_LEN_T
2658 #  define SOCKOPT_LEN_T	int
2659 # endif /* ! SOCKOPT_LEN_T */
2660 
2661 # ifndef QUAD_T
2662 #  define QUAD_T	unsigned long
2663 # endif /* ! QUAD_T */
2664 /**********************************************************************
2665 **  Remaining definitions should never have to be changed.  They are
2666 **  primarily to provide back compatibility for older systems -- for
2667 **  example, it includes some POSIX compatibility definitions
2668 **********************************************************************/
2669 
2670 /* System 5 compatibility */
2671 # ifndef S_ISREG
2672 #  define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2673 # endif /* ! S_ISREG */
2674 # ifndef S_ISDIR
2675 #  define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2676 # endif /* ! S_ISDIR */
2677 # if !defined(S_ISLNK) && defined(S_IFLNK)
2678 #  define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2679 # endif /* !defined(S_ISLNK) && defined(S_IFLNK) */
2680 # if !defined(S_ISFIFO)
2681 #  if defined(S_IFIFO)
2682 #   define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2683 #  else /* defined(S_IFIFO) */
2684 #   define S_ISFIFO(foo)	false
2685 #  endif /* defined(S_IFIFO) */
2686 # endif /* !defined(S_ISFIFO) */
2687 # ifndef S_IRUSR
2688 #  define S_IRUSR		0400
2689 # endif /* ! S_IRUSR */
2690 # ifndef S_IWUSR
2691 #  define S_IWUSR		0200
2692 # endif /* ! S_IWUSR */
2693 # ifndef S_IRGRP
2694 #  define S_IRGRP		0040
2695 # endif /* ! S_IRGRP */
2696 # ifndef S_IWGRP
2697 #  define S_IWGRP		0020
2698 # endif /* ! S_IWGRP */
2699 # ifndef S_IROTH
2700 #  define S_IROTH		0004
2701 # endif /* ! S_IROTH */
2702 # ifndef S_IWOTH
2703 #  define S_IWOTH		0002
2704 # endif /* ! S_IWOTH */
2705 
2706 /* close-on-exec flag */
2707 # ifndef FD_CLOEXEC
2708 #  define FD_CLOEXEC	1
2709 # endif /* ! FD_CLOEXEC */
2710 
2711 /*
2712 **  Older systems don't have this error code -- it should be in
2713 **  /usr/include/sysexits.h.
2714 */
2715 
2716 # ifndef EX_CONFIG
2717 #  define EX_CONFIG	78	/* configuration error */
2718 # endif /* ! EX_CONFIG */
2719 
2720 /* pseudo-codes */
2721 # define EX_QUIT	22	/* drop out of server immediately */
2722 # define EX_RESTART	23	/* restart sendmail daemon */
2723 # define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2724 
2725 #ifndef EX_NOTFOUND
2726 # define EX_NOTFOUND	EX_NOHOST
2727 #endif /* ! EX_NOTFOUND */
2728 
2729 /* pseudo-code used for mci_setstat */
2730 # define EX_NOTSTICKY	(-5)	/* don't save persistent status */
2731 
2732 
2733 /*
2734 **  An "impossible" file mode to indicate that the file does not exist.
2735 */
2736 
2737 # define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2738 
2739 
2740 /* type of arbitrary pointer */
2741 # ifndef ARBPTR_T
2742 #  define ARBPTR_T	void *
2743 # endif /* ! ARBPTR_T */
2744 
2745 # ifndef __P
2746 #  include "sm/cdefs.h"
2747 # endif /* ! __P */
2748 
2749 # if HESIOD && !defined(NAMED_BIND)
2750 #  define NAMED_BIND	1	/* not one without the other */
2751 # endif /* HESIOD && !defined(NAMED_BIND) */
2752 
2753 #  if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2754 extern int	h_errno;
2755 #  endif /* NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) */
2756 
2757 # if NEEDPUTENV
2758 extern int	putenv __P((char *));
2759 # endif /* NEEDPUTENV */
2760 
2761 #if !HASUNSETENV
2762 extern void	unsetenv __P((char *));
2763 #endif /* !HASUNSETENV */
2764 
2765 # ifdef LDAPMAP
2766 #  include <sys/time.h>
2767 #  include <lber.h>
2768 #  include <ldap.h>
2769 
2770 /* Some LDAP constants */
2771 #  define LDAPMAP_FALSE		0
2772 #  define LDAPMAP_TRUE		1
2773 
2774 /*
2775 **  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2776 **  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2777 **  and assume (falsely) that all old API implementations are broken.
2778 **  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2779 */
2780 
2781 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2782 #   define USE_LDAP_INIT	1
2783 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) */
2784 
2785 /*
2786 **  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2787 **  hence ldap_set_option() must not exist.
2788 */
2789 
2790 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2791 #   define USE_LDAP_SET_OPTION	1
2792 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) */
2793 
2794 # endif /* LDAPMAP */
2795 
2796 # if HASUNAME
2797 #  include <sys/utsname.h>
2798 #  ifdef newstr
2799 #   undef newstr
2800 #  endif /* newstr */
2801 # else /* HASUNAME */
2802 #  define NODE_LENGTH 32
2803 struct utsname
2804 {
2805 	char nodename[NODE_LENGTH + 1];
2806 };
2807 # endif /* HASUNAME */
2808 
2809 # if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2810 #  define MAXHOSTNAMELEN	256
2811 # endif /* !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) */
2812 
2813 
2814 # if _FFR_LINUX_MHNL && defined(__linux__) && MAXHOSTNAMELEN < 255
2815    /*
2816    **  override Linux wierdness: a FQHN can be 255 chars long
2817    **  SUSv3 requires HOST_NAME_MAX ("Maximum length of a host
2818    **  name (not including the terminating null) as returned from the
2819    **  gethostname() function.") to be at least 255.  c.f.:
2820    **  http://www.opengroup.org/onlinepubs/009695399
2821    **  but Linux defines that to 64 too.
2822    */
2823 #  undef MAXHOSTNAMELEN
2824 #  define MAXHOSTNAMELEN	256
2825 # endif /* _FFR_LINUX_MHNL && defined(__linux__) && MAXHOSTNAMELEN < 255 */
2826 
2827 # if !defined(SIGCHLD) && defined(SIGCLD)
2828 #  define SIGCHLD	SIGCLD
2829 # endif /* !defined(SIGCHLD) && defined(SIGCLD) */
2830 
2831 # ifndef STDIN_FILENO
2832 #  define STDIN_FILENO	0
2833 # endif /* ! STDIN_FILENO */
2834 
2835 # ifndef STDOUT_FILENO
2836 #  define STDOUT_FILENO	1
2837 # endif /* ! STDOUT_FILENO */
2838 
2839 # ifndef STDERR_FILENO
2840 #  define STDERR_FILENO	2
2841 # endif /* ! STDERR_FILENO */
2842 
2843 # ifndef LOCK_SH
2844 #  define LOCK_SH	0x01	/* shared lock */
2845 #  define LOCK_EX	0x02	/* exclusive lock */
2846 #  define LOCK_NB	0x04	/* non-blocking lock */
2847 #  define LOCK_UN	0x08	/* unlock */
2848 # endif /* ! LOCK_SH */
2849 
2850 # ifndef S_IXOTH
2851 #  define S_IXOTH	(S_IEXEC >> 6)
2852 # endif /* ! S_IXOTH */
2853 
2854 # ifndef S_IXGRP
2855 #  define S_IXGRP	(S_IEXEC >> 3)
2856 # endif /* ! S_IXGRP */
2857 
2858 # ifndef S_IXUSR
2859 #  define S_IXUSR	(S_IEXEC)
2860 # endif /* ! S_IXUSR */
2861 
2862 #ifndef O_ACCMODE
2863 # define O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
2864 #endif /* ! O_ACCMODE */
2865 
2866 # ifndef SEEK_SET
2867 #  define SEEK_SET	0
2868 #  define SEEK_CUR	1
2869 #  define SEEK_END	2
2870 # endif /* ! SEEK_SET */
2871 
2872 # ifndef SIG_ERR
2873 #  define SIG_ERR	((void (*)()) -1)
2874 # endif /* ! SIG_ERR */
2875 
2876 # ifndef WEXITSTATUS
2877 #  define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2878 # endif /* ! WEXITSTATUS */
2879 # ifndef WIFEXITED
2880 #  define WIFEXITED(st)		(((st) & 0377) == 0)
2881 # endif /* ! WIFEXITED */
2882 # ifndef WIFSTOPPED
2883 #  define WIFSTOPPED(st)		(((st) & 0100) == 0)
2884 # endif /* ! WIFSTOPPED */
2885 # ifndef WCOREDUMP
2886 #  define WCOREDUMP(st)		(((st) & 0200) != 0)
2887 # endif /* ! WCOREDUMP */
2888 # ifndef WTERMSIG
2889 #  define WTERMSIG(st)		(((st) & 0177))
2890 # endif /* ! WTERMSIG */
2891 
2892 # ifndef SIGFUNC_DEFINED
2893 typedef void		(*sigfunc_t) __P((int));
2894 # endif /* ! SIGFUNC_DEFINED */
2895 # ifndef SIGFUNC_RETURN
2896 #  define SIGFUNC_RETURN
2897 # endif /* ! SIGFUNC_RETURN */
2898 # ifndef SIGFUNC_DECL
2899 #  define SIGFUNC_DECL	void
2900 # endif /* ! SIGFUNC_DECL */
2901 
2902 /* size of syslog buffer */
2903 # ifndef SYSLOG_BUFSIZE
2904 #  define SYSLOG_BUFSIZE	1024
2905 # endif /* ! SYSLOG_BUFSIZE */
2906 
2907 /* for FD_SET() */
2908 #ifndef FD_SETSIZE
2909 # define FD_SETSIZE	256
2910 #endif /* ! FD_SETSIZE */
2911 
2912 /*
2913 **  Size of prescan buffer.
2914 **	Despite comments in the _sendmail_ book, this probably should
2915 **	not be changed; there are some hard-to-define dependencies.
2916 */
2917 
2918 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2919 
2920 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
2921 # ifndef FORK
2922 #  define FORK		fork		/* function to call to fork mailer */
2923 # endif /* ! FORK */
2924 
2925 /* setting h_errno */
2926 # ifndef SM_SET_H_ERRNO
2927 #  define SM_SET_H_ERRNO(err)	h_errno = (err)
2928 # endif /* SM_SET_H_ERRNO */
2929 
2930 # ifndef SM_CONF_GETOPT
2931 #  define SM_CONF_GETOPT	1
2932 # endif /* ! SM_CONF_GETOPT */
2933 
2934 /* random routine -- set above using #ifdef _osname_ or in Makefile */
2935 # if HASRANDOM
2936 #  define get_random()	random()
2937 # else /* HASRANDOM */
2938 #  define get_random()	((long) rand())
2939 #  ifndef RANDOMSHIFT
2940 #   define RANDOMSHIFT	8
2941 #  endif /* ! RANDOMSHIFT */
2942 # endif /* HASRANDOM */
2943 
2944 /*
2945 **  Default to using scanf in readcf.
2946 */
2947 
2948 # ifndef SCANF
2949 #  define SCANF		1
2950 # endif /* ! SCANF */
2951 
2952 /* XXX  32 bit type */
2953 # ifndef SM_INT32
2954 #  define SM_INT32	int32_t
2955 # endif /* ! SM_INT32 */
2956 
2957 /*
2958 **  SVr4 and similar systems use different routines for setjmp/longjmp
2959 **  with signal support
2960 */
2961 
2962 # if USE_SIGLONGJMP
2963 #  ifdef jmp_buf
2964 #   undef jmp_buf
2965 #  endif /* jmp_buf */
2966 #  define jmp_buf		sigjmp_buf
2967 #  ifdef setjmp
2968 #   undef setjmp
2969 #  endif /* setjmp */
2970 #  define setjmp(env)		sigsetjmp(env, 1)
2971 #  ifdef longjmp
2972 #   undef longjmp
2973 #  endif /* longjmp */
2974 #  define longjmp(env, val)	siglongjmp(env, val)
2975 # endif /* USE_SIGLONGJMP */
2976 
2977 # if !defined(NGROUPS_MAX) && defined(NGROUPS)
2978 #  define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
2979 # endif /* !defined(NGROUPS_MAX) && defined(NGROUPS) */
2980 
2981 /*
2982 **  Some snprintf() implementations are rumored not to NUL terminate.
2983 */
2984 # if SNPRINTF_IS_BROKEN
2985 #  ifdef snprintf
2986 #   undef snprintf
2987 #  endif /* snprintf */
2988 #  define snprintf	sm_snprintf
2989 #  ifdef vsnprintf
2990 #   undef vsnprintf
2991 #  endif /* vsnprintf */
2992 #  define vsnprintf	sm_vsnprintf
2993 # endif /* SNPRINTF_IS_BROKEN */
2994 
2995 /*
2996 **  If we don't have a system syslog, simulate it.
2997 */
2998 
2999 # if !LOG
3000 #  define LOG_EMERG	0	/* system is unusable */
3001 #  define LOG_ALERT	1	/* action must be taken immediately */
3002 #  define LOG_CRIT	2	/* critical conditions */
3003 #  define LOG_ERR	3	/* error conditions */
3004 #  define LOG_WARNING	4	/* warning conditions */
3005 #  define LOG_NOTICE	5	/* normal but significant condition */
3006 #  define LOG_INFO	6	/* informational */
3007 #  define LOG_DEBUG	7	/* debug-level messages */
3008 # endif /* !LOG */
3009 
3010 # ifndef SM_CONF_SYSLOG
3011 #  define SM_CONF_SYSLOG 1	/* syslog.h has prototype for syslog() */
3012 # endif /* SM_CONF_SYSLOG */
3013 
3014 # if !SM_CONF_SYSLOG
3015 #   ifdef __STDC__
3016 extern void	syslog(int, const char *, ...);
3017 #   else /* __STDC__ */
3018 extern void	syslog();
3019 #   endif /* __STDC__ */
3020 # endif /* !SM_CONF_SYSLOG */
3021 
3022 /* portable(?) definition for alignment */
3023 # ifndef SM_ALIGN_SIZE
3024 struct sm_align
3025 {
3026 	char al_c;
3027 	union
3028 	{
3029 		long	al_l;
3030 		void	*al_p;
3031 		double	al_d;
3032 		void	(*al_f) __P((void));
3033 	} al_u;
3034 };
3035 #  define SM_ALIGN_SIZE offsetof(struct sm_align, al_u)
3036 # endif /* ! SM_ALIGN_SIZE */
3037 # define SM_ALIGN_BITS (SM_ALIGN_SIZE - 1)
3038 
3039 #endif /* ! SM_CONF_H */
3040