xref: /freebsd/contrib/sendmail/include/sm/conf.h (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1 /*
2  * Copyright (c) 1998-2011 Proofpoint, 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 1.147 2013-11-22 20:51:31 ca Exp $
14  */
15 
16 /*
17 **  CONF.H -- All user-configurable parameters for sendmail
18 **
19 **	Send updates to Sendmail.ORG so they will be
20 **	included in the next release; see
21 **	http://www.sendmail.org/email-addresses.html
22 **	for current e-mail address.
23 */
24 
25 #ifndef SM_CONF_H
26 # define SM_CONF_H 1
27 
28 
29 # include <sm/config.h>
30 # include <sm/varargs.h>
31 
32 /*
33 **  General "standard C" defines.
34 **
35 **	These may be undone later, to cope with systems that claim to
36 **	be Standard C but aren't.  Gcc is the biggest offender -- it
37 **	doesn't realize that the library is part of the language.
38 **
39 **	Life would be much easier if we could get rid of this sort
40 **	of bozo problems.
41 */
42 
43 # ifdef __STDC__
44 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
45 # endif
46 
47 /*
48 **  Assume you have standard calls; can be #undefed below if necessary.
49 */
50 
51 # ifndef HASLSTAT
52 #  define HASLSTAT	1	/* has lstat(2) call */
53 # endif
54 
55 # ifndef HASNICE
56 #  define HASNICE	1	/* has nice(2) call */
57 # endif
58 
59 # ifndef HASRRESVPORT
60 #  define HASRRESVPORT	1	/* has rrsevport(3) call */
61 # endif
62 
63 /**********************************************************************
64 **  "Hard" compilation options.
65 **	#define these if they are available; comment them out otherwise.
66 **  These cannot be overridden from the Makefile, and should really not
67 **  be turned off unless absolutely necessary.
68 **********************************************************************/
69 
70 #define LOG		1	/* enable logging -- don't turn off */
71 
72 /**********************************************************************
73 **  Operating system configuration.
74 **
75 **	Unless you are porting to a new OS, you shouldn't have to
76 **	change these.
77 **********************************************************************/
78 
79 /*
80 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
81 **
82 **	If V4FS is defined, compile for HP-UX 10.0.
83 **	11.x support from Richard Allen <ra@hp.is>.
84 */
85 
86 # ifdef __hpux
87 		/* common definitions for HP-UX 9.x and 10.x */
88 #  undef m_flags		/* conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h on HP 300 */
89 #  define SYSTEM5	1	/* include all the System V defines */
90 #  define HASINITGROUPS	1	/* has initgroups(3) call */
91 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
92 #  define USESETEUID	1	/* has usable seteuid(2) call */
93 #  define HASSETRESGID	1	/* use setresgid(2) to set saved gid */
94 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
95 #  define seteuid(e)	setresuid(-1, e, -1)
96 #  define IP_SRCROUTE	1	/* can check IP source routing */
97 #  define LA_TYPE	LA_HPUX
98 #  define SPT_TYPE	SPT_PSTAT
99 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
100 #  define GIDSET_T	gid_t
101 #  define LDA_USE_LOCKF	1
102 #  ifndef HASGETUSERSHELL
103 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
104 #  endif
105 #  ifdef HPUX10
106 #   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
107 #   ifndef SMRSH_CMDDIR
108 #    define SMRSH_CMDDIR	"/var/adm/sm.bin"
109 #   endif
110 #  endif
111 #  ifdef HPUX11
112 #   define HASSETREUID	1	/* setreuid(2) works on HP-UX 11.x */
113 #   define HASFCHOWN	1	/* has fchown(2) */
114 #   ifndef BROKEN_RES_SEARCH
115 #    define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
116 #   endif
117 #   ifndef SMRSH_CMDDIR
118 #    define SMRSH_CMDDIR	"/var/adm/sm.bin"
119 #   endif
120 #   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
121 #  else /* HPUX11 */
122 #   ifndef NOT_SENDMAIL
123 #    define syslog	hard_syslog
124 #   endif
125 #  endif /* HPUX11 */
126 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
127 
128 #  ifdef V4FS
129 		/* HP-UX 10.x */
130 #   define _PATH_UNIX		"/stand/vmunix"
131 #   ifndef _PATH_VENDOR_CF
132 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
133 #   endif
134 #   ifndef _PATH_SENDMAILPID
135 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
136 #   endif
137 #   ifndef IDENTPROTO
138 #    define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
139 #   endif
140 #   include <sys/mpctl.h>	/* for mpctl() in get_num_procs_online() */
141 #  else /* V4FS */
142 		/* HP-UX 9.x */
143 #   define _PATH_UNIX		"/hp-ux"
144 #   ifndef _PATH_VENDOR_CF
145 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
146 #   endif
147 #   ifndef IDENTPROTO
148 #    define IDENTPROTO	0	/* TCP/IP implementation is broken */
149 #   endif
150 #   ifdef __STDC__
151 extern void	hard_syslog(int, char *, ...);
152 #   else
153 extern void	hard_syslog();
154 #   endif
155 #   define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
156 #  endif /* V4FS */
157 
158 # endif /* __hpux */
159 
160 /*
161 **  IBM AIX 5.x
162 */
163 
164 # ifdef _AIX5
165 #  include <sys/signal.h>
166 #  include <sys/wait.h>
167 #  define _AIX4		40300
168 #  define SOCKADDR_LEN_T socklen_t /* e.g., arg#3 to accept, getsockname */
169 #  define SOCKOPT_LEN_T	socklen_t /* arg#5 to getsockopt */
170 #  if _AIX5 >= 50200
171 #   define HASUNSETENV	1	/* has unsetenv(3) call */
172 #  endif
173 # endif /* _AIX5 */
174 
175 /*
176 **  IBM AIX 4.x
177 */
178 
179 # ifdef _AIX4
180 #  define _AIX3		1	/* pull in AIX3 stuff */
181 #  define BSD4_4_SOCKADDR	/* has sa_len */
182 #  define USESETEUID	1	/* seteuid(2) works */
183 #  define TZ_TYPE	TZ_NAME	/* use tzname[] vector */
184 #  ifndef SOCKOPT_LEN_T
185 #   define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
186 #  endif
187 #  if _AIX4 >= 40200
188 #   define HASSETREUID	1	/* setreuid(2) works as of AIX 4.2 */
189 #   ifndef SOCKADDR_LEN_T
190 #    define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
191 #   endif
192 #  endif /* _AIX4 >= 40200 */
193 #  if defined(_ILS_MACROS)	/* IBM versions aren't side-effect clean */
194 #   undef isascii
195 #   define isascii(c)		!(c & ~0177)
196 #   undef isdigit
197 #   define isdigit(__a)		(_IS(__a,_ISDIGIT))
198 #   undef isspace
199 #   define isspace(__a)		(_IS(__a,_ISSPACE))
200 #  endif /* defined(_ILS_MACROS) */
201 # endif /* _AIX4 */
202 
203 
204 /*
205 **  IBM AIX 3.x -- actually tested for 3.2.3
206 */
207 
208 # ifdef _AIX3
209 #  include <paths.h>
210 #  include <sys/machine.h>	/* to get byte order */
211 #  include <sys/select.h>
212 #  define HASFCHOWN	1	/* has fchown(2) */
213 #  define HASINITGROUPS	1	/* has initgroups(3) call */
214 #  define HASUNAME	1	/* use System V uname(2) system call */
215 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
216 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
217 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
218 #  define GIDSET_T	gid_t
219 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
220 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
221 #  ifndef LA_TYPE
222 #   define LA_TYPE	LA_INT
223 #  endif
224 #  define FSHIFT	16
225 #  define LA_AVENRUN	"avenrun"
226 #  if !defined(_AIX4) || _AIX4 < 40300
227 #   ifndef __BIT_TYPES_DEFINED__
228 #    define SM_INT32	int
229 #   endif
230 #  endif /* !defined(_AIX4) || _AIX4 < 40300 */
231 #  if !defined(_AIX4) || _AIX4 < 40200
232 #   define SM_CONF_SYSLOG	0
233 #  endif
234 # endif /* _AIX3 */
235 
236 
237 /*
238 **  IBM AIX 2.2.1 -- actually tested for osupdate level 2706+1773
239 **
240 **	From Mark Whetzel <markw@wg.waii.com>.
241 */
242 
243 # ifdef AIX			/* AIX/RT compiler pre-defines this */
244 #  include <paths.h>
245 #  include <sys/time.h>		/* AIX/RT resource.h does NOT include this */
246 #  define HASINITGROUPS	1	/* has initgroups(3) call */
247 #  define HASUNAME	1	/* use System V uname(2) system call */
248 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
249 #  define HASFCHMOD	0	/* does not have fchmod(2) syscall */
250 #  define HASSETREUID	1	/* use setreuid(2) -lbsd system call */
251 #  define HASSETVBUF	1	/* use setvbuf(2) system call */
252 #  define HASSETRLIMIT	0	/* does not have setrlimit call */
253 #  define HASFLOCK	0	/* does not have flock call - use fcntl */
254 #  define HASULIMIT	1	/* use ulimit instead of setrlimit call */
255 #  define SM_CONF_GETOPT	0	/* Do we need theirs or ours */
256 #  define SYS5SETPGRP	1	/* don't have setpgid on AIX/RT */
257 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
258 #  define BSD4_3		1	/* NOT bsd 4.4 or posix signals */
259 #  define GIDSET_T	int
260 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
261 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
262 #  define LA_TYPE	LA_SUBR		/* use our ported loadavgd daemon */
263 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
264 #  define ARBPTR_T	int *
265 #  define void		int
266 typedef int		pid_t;
267 /* RTisms for BSD compatibility, specified in the Makefile
268   define BSD		1
269   define BSD_INCLUDES		1
270   define BSD_REMAP_SIGNAL_TO_SIGVEC
271     RTisms needed above */
272 /* make this sendmail in a completely different place */
273 #  ifndef _PATH_VENDOR_CF
274 #   define _PATH_VENDOR_CF	"/usr/local/newmail/sendmail.cf"
275 #  endif
276 #  ifndef _PATH_SENDMAILPID
277 #   define _PATH_SENDMAILPID	"/usr/local/newmail/sendmail.pid"
278 #  endif
279 # endif /* AIX */
280 
281 # if defined(_AIX)
282 #  define LDA_USE_LOCKF		1
283 #  define LDA_USE_SETEUID	1
284 # endif
285 
286 /*
287 **  Silicon Graphics IRIX
288 **
289 **	Compiles on 4.0.1.
290 **
291 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
292 **	Use IRIX5 instead of IRIX for IRIX 5.x.
293 **
294 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
295 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
296 */
297 
298 # ifdef IRIX
299 #  define SYSTEM5	1	/* this is a System-V derived system */
300 #  define HASSETREUID	1	/* has setreuid(2) call */
301 #  define HASINITGROUPS	1	/* has initgroups(3) call */
302 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
303 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
304 #  define IP_SRCROUTE	1	/* can check IP source routing */
305 #  define setpgid	BSDsetpgrp
306 #  define GIDSET_T	gid_t
307 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
308 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
309 #  define SYSLOG_BUFSIZE 512
310 #  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
311     /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
312 #   define _SC_NPROCESSORS_ONLN	_SC_NPROC_ONLN
313 #  endif
314 #  ifdef IRIX6
315 #   define STAT64	1
316 #   define QUAD_T	unsigned long long
317 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
318 #   define SAFENFSPATHCONF 0	/* pathconf(2) lies on NFS filesystems */
319 #  else /* IRIX6 */
320 #   define LA_TYPE	LA_INT
321 
322 #   ifdef IRIX64
323 #    define STAT64	1
324 #    define QUAD_T	unsigned long long
325 #    define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
326 #   else /* IRIX64 */
327 #    define STAT64	0
328 #    define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
329 #   endif /* IRIX64 */
330 #  endif /* IRIX6 */
331 #  if defined(IRIX64) || defined(IRIX5) || defined(IRIX6)
332 #   include <sys/cdefs.h>
333 #   include <paths.h>
334 #   define ARGV_T	char *const *
335 #   define HASFCHOWN	1	/* has fchown(2) */
336 #   define HASSETRLIMIT	1	/* has setrlimit(2) syscall */
337 #   define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
338 #   define HASSTRERROR	1	/* has strerror(3) */
339 #  else /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
340 #   define ARGV_T	const char **
341 #   define WAITUNION	1	/* use "union wait" as wait argument type */
342 #  endif /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
343 # endif /* IRIX */
344 
345 
346 /*
347 **  SunOS and Solaris
348 **
349 **	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
350 **	Solaris 2.4 (a.k.a. SunOS 5.4).
351 */
352 
353 # if defined(sun) && !defined(BSD)
354 
355 #  include <sys/time.h>
356 #  define HASINITGROUPS	1	/* has initgroups(3) call */
357 #  define HASUNAME	1	/* use System V uname(2) system call */
358 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
359 #  define IP_SRCROUTE	1	/* can check IP source routing */
360 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
361 #  ifndef HASFCHOWN
362 #   define HASFCHOWN	1	/* fchown(2) */
363 #  endif
364 
365 #  ifdef __svr4__
366 #   define LDA_USE_LOCKF		1
367 #   define LDA_USE_SETEUID	1
368 #   define _PATH_MAILDIR		"/var/mail"
369 #  endif /* __svr4__ */
370 
371 #  ifdef SOLARIS_2_3
372 #   define SOLARIS	20300	/* for back compat only -- use -DSOLARIS=20300 */
373 #  endif /* SOLARIS_2_3 */
374 
375 #  if defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4))
376 #   define SOLARIS	1	/* unknown Solaris version */
377 #  endif
378 
379 #  ifdef SOLARIS
380 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
381 #   ifndef __svr4__
382 #    define __svr4__		/* use all System V Release 4 defines below */
383 #   endif
384 #   if SOLARIS >= 21100
385 #    include <paths.h>
386 #   endif
387 #   ifndef _PATH_VARRUN
388 #    define _PATH_VARRUN	"/var/run/"
389 #   endif
390 #   define GIDSET_T	gid_t
391 #   define USE_SA_SIGACTION	1	/* use sa_sigaction field */
392 #   define BROKEN_PTHREAD_SLEEP	1	/* sleep after pthread_create() fails */
393 #   define HASSTRERROR	1	/* has strerror(3) */
394 #   ifndef _PATH_UNIX
395 #    define _PATH_UNIX		"/dev/ksyms"
396 #   endif
397 #   ifndef _PATH_VENDOR_CF
398 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
399 #   endif
400 #   ifndef _PATH_SENDMAILPID
401 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
402 #   endif
403 #   ifndef _PATH_HOSTS
404 #    define _PATH_HOSTS		"/etc/inet/hosts"
405 #   endif
406 #   ifndef SYSLOG_BUFSIZE
407 #    define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
408 #   endif
409 #   ifndef TZ_TYPE
410 #    define TZ_TYPE	TZ_TZNAME
411 #   endif
412 #   if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203)
413 #    define USESETEUID		1	/* seteuid works as of 2.3 */
414 #    define LDA_CONTENTLENGTH	1	/* Needs the Content-Length header */
415 #   endif
416 #   if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205)
417 #    define HASSETREUID	1		/* setreuid works as of 2.5 */
418 #    define HASSETREGID	1	/* use setregid(2) to set saved gid */
419 #   if SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206)
420 #    define HASSNPRINTF 1	/* has snprintf(3c) starting in 2.6 */
421 #   endif
422 #    if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700)
423 #     ifndef LA_TYPE
424 #      define LA_TYPE	LA_KSTAT	/* use kstat(3k) -- may work in < 2.5 */
425 #     endif
426 #     ifndef RANDOMSHIFT	/* random() doesn't work well (sometimes) */
427 #      define RANDOMSHIFT	8
428 #     endif
429 #    endif /* SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) */
430 #   else /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
431 #    ifndef HASRANDOM
432 #     define HASRANDOM	0		/* doesn't have random(3) */
433 #    endif
434 #   endif /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
435 #   if (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206
436 #    define SM_INT32	int	/* 32bit integer */
437 #   endif
438 #   if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207)
439 #    ifndef LA_TYPE
440 #     include <sys/loadavg.h>
441 #     if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
442 #      include <sys/pset.h>
443 #      define LA_TYPE	LA_PSET	/* pset_getloadavg(3c) appears in 2.9 */
444 #     else /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
445 #      define LA_TYPE	LA_SUBR	/* getloadavg(3c) appears in 2.7 */
446 #     endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
447 #    endif /* ! LA_TYPE */
448 #    define HASGETUSERSHELL 1	/* getusershell(3c) bug fixed in 2.7 */
449 #   endif /* SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) */
450 #   if SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208)
451 #    undef _PATH_SENDMAILPID	/* tmpfs /var/run added in 2.8 */
452 #    define _PATH_SENDMAILPID	_PATH_VARRUN "sendmail.pid"
453 #    ifndef SMRSH_CMDDIR
454 #     define SMRSH_CMDDIR	"/var/adm/sm.bin"
455 #    endif
456 #    define SL_FUDGE	34	/* fudge offset for SyslogPrefixLen */
457 #    define HASLDAPGETALIASBYNAME	1	/* added in S8 */
458 #   endif /* SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) */
459 #   if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
460 #    define HASURANDOMDEV	1	/* /dev/[u]random added in S9 */
461 #    define HASCLOSEFROM	1	/* closefrom(3c) added in S9 */
462 #    define HASFDWALK		1	/* fdwalk(3c) added in S9 */
463 #   endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
464 #   if SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210)
465 #    define HASUNSETENV 1       /* unsetenv() added in S10 */
466 #   endif
467 #   if SOLARIS >= 21100 || (SOLARIS < 10000 && SOLARIS >= 211)
468 #    define GETLDAPALIASBYNAME_VERSION 2	/* changed in S11 */
469 #    define HAVE_NANOSLEEP	1	/* moved from librt to libc in S11 */
470 #    define SOCKADDR_LEN_T	socklen_t	/* arg#3 to accept, getsockname */
471 #    define SOCKOPT_LEN_T	socklen_t	/* arg#5 to getsockopt */
472 #   endif /* SOLARIS >= 21100 || (SOLARIS < 10000 && SOLARIS >= 211) */
473 #   ifndef HASGETUSERSHELL
474 #    define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps pre-2.7 */
475 #   endif
476 #   if SOLARIS < 21200
477 #    define SIGWAIT_TAKES_1_ARG	1	/* S12 moves to UNIX V7 semantic */
478 #   endif
479 
480 #  else /* SOLARIS */
481 			/* SunOS 4.0.3 or 4.1.x */
482 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
483 #   define HASSETREUID	1	/* has setreuid(2) call */
484 #   ifndef HASFLOCK
485 #    define HASFLOCK	1	/* has flock(2) call */
486 #   endif
487 #   define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
488 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
489 #   include <memory.h>
490 #   include <vfork.h>
491 #   ifdef __GNUC__
492 #    define strtoul	strtol	/* gcc library bogosity */
493 #   endif
494 #   define memmove(d, s, l)	(bcopy((s), (d), (l)))
495 #   define atexit(f)	on_exit((f), 0)	/* ugly hack for SunOS */
496 #   define SM_INT32	int	/* 32bit integer */
497 #   define SM_ALIGN_SIZE (sizeof(long))
498 #   define GIDSET_T	int
499 #   define SM_CONF_SYSLOG	0
500 
501 #   ifdef SUNOS403
502 			/* special tweaking for SunOS 4.0.3 */
503 #    include <malloc.h>
504 #    define BSD4_3	1	/* 4.3 BSD-based */
505 #    define NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
506 #    define WAITUNION	1	/* use "union wait" as wait argument type */
507 #    undef WIFEXITED
508 #    undef WEXITSTATUS
509 #    undef HASUNAME
510 #    define setpgid	setpgrp
511 #    define MODE_T	int
512 typedef int		pid_t;
513 extern char		*getenv();
514 
515 #   else /* SUNOS403 */
516 			/* 4.1.x specifics */
517 #    define HASSETSID	1	/* has POSIX setsid(2) call */
518 #    define HASSETVBUF	1	/* we have setvbuf(3) in libc */
519 
520 #   endif /* SUNOS403 */
521 #  endif /* SOLARIS */
522 
523 #  ifndef LA_TYPE
524 #   define LA_TYPE	LA_INT
525 #  endif
526 
527 # endif /* defined(sun) && !defined(BSD) */
528 
529 /*
530 **  DG/UX
531 **
532 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
533 **	older support.
534 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
535 */
536 
537 # ifdef DGUX_5_4_2
538 #  define DGUX		1
539 # endif
540 
541 # ifdef DGUX
542 #  define SYSTEM5	1
543 #  define LA_TYPE	LA_DGUX
544 #  define HASSETREUID	1	/* has setreuid(2) call */
545 #  define HASUNAME	1	/* use System V uname(2) system call */
546 #  define HASSETSID	1	/* has POSIX setsid(2) call */
547 #  define HASINITGROUPS	1	/* has initgroups(3) call */
548 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
549 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) */
550 #  ifndef IDENTPROTO
551 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
552 #  endif
553 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
554 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
555 #  define LDA_USE_LOCKF		1
556 
557 /* these include files must be included early on DG/UX */
558 #  include <netinet/in.h>
559 #  include <arpa/inet.h>
560 
561 /* compiler doesn't understand const? */
562 #  define const
563 
564 #  ifdef DGUX_5_4_2
565 #   define inet_addr	dgux_inet_addr
566 extern long	dgux_inet_addr();
567 #  endif /* DGUX_5_4_2 */
568 # endif /* DGUX */
569 
570 
571 /*
572 **  Digital Ultrix 4.2 - 4.5
573 **
574 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
575 **	not dropped when the process exits.  This causes major problems,
576 **	so flock is the only alternative.
577 */
578 
579 # ifdef ultrix
580 #  define HASSETREUID	1	/* has setreuid(2) call */
581 #  define HASUNSETENV	1	/* has unsetenv(3) call */
582 #  define HASINITGROUPS	1	/* has initgroups(3) call */
583 #  define HASUNAME	1	/* use System V uname(2) system call */
584 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
585 #  define HASFCHOWN	1	/* has fchown(2) syscall */
586 #  ifndef HASFLOCK
587 #   define HASFLOCK	1	/* has flock(2) call */
588 #  endif
589 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
590 #  ifndef BROKEN_RES_SEARCH
591 #   define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
592 #  endif
593 #  if !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621
594 #   define NEEDLOCAL_HOSTNAME_LENGTH	1	/* see sendmail/README */
595 #  endif
596 #  ifdef vax
597 #   define LA_TYPE	LA_FLOAT
598 #  else /* vax */
599 #   define LA_TYPE	LA_INT
600 #   define LA_AVENRUN	"avenrun"
601 #  endif /* vax */
602 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
603 #  ifndef IDENTPROTO
604 #   define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
605 #  endif
606 #  define SYSLOG_BUFSIZE	256
607 #  define SM_CONF_SYSLOG	0
608 # endif /* ultrix */
609 
610 
611 /*
612 **  OSF/1 for KSR.
613 **
614 **	Contributed by Todd C. Miller <Todd.Miller@cs.colorado.edu>
615 */
616 
617 # ifdef __ksr__
618 #  define __osf__	1	/* get OSF/1 defines below */
619 #  ifndef TZ_TYPE
620 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
621 #  endif
622 # endif /* __ksr__ */
623 
624 
625 /*
626 **  OSF/1 for Intel Paragon.
627 **
628 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
629 **	of Intel Scalable Systems Division.
630 */
631 
632 # ifdef __PARAGON__
633 #  define __osf__	1	/* get OSF/1 defines below */
634 #  ifndef TZ_TYPE
635 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
636 #  endif
637 #  define GIDSET_T	gid_t
638 #  define MAXNAMLEN	NAME_MAX
639 # endif /* __PARAGON__ */
640 
641 
642 /*
643 **  Tru64 UNIX, formerly known as Digital UNIX, formerly known as DEC OSF/1
644 **
645 **	Tested for 3.2 and 4.0.
646 */
647 
648 # ifdef __osf__
649 #  define HASUNAME	1	/* has uname(2) call */
650 #  define HASUNSETENV	1	/* has unsetenv(3) call */
651 #  define USESETEUID	1	/* has usable seteuid(2) call */
652 #  define HASINITGROUPS	1	/* has initgroups(3) call */
653 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
654 #  define HASFCHOWN	1	/* has fchown(2) syscall */
655 #  define HASSETLOGIN	1	/* has setlogin(2) */
656 #  define IP_SRCROUTE	1	/* can check IP source routing */
657 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
658 #  define GIDSET_T	gid_t
659 #  define SM_INT32	int	/* 32bit integer */
660 #  ifndef HASFLOCK
661 #   include <standards.h>
662 #   if _XOPEN_SOURCE+0 >= 400
663 #    define HASFLOCK	0	/* 5.0 and later has bad flock(2) call */
664 #   else
665 #    define HASFLOCK	1	/* has flock(2) call */
666 #   endif
667 #  endif /* ! HASFLOCK */
668 #  define LA_TYPE	LA_ALPHAOSF
669 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statfs() impl */
670 #  ifndef _PATH_VENDOR_CF
671 #   define _PATH_VENDOR_CF	"/var/adm/sendmail/sendmail.cf"
672 #  endif
673 #  ifndef _PATH_SENDMAILPID
674 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
675 #  endif
676 #  if _FFR_DIGUNIX_SAFECHOWN
677 /*
678 **  Testing on a Digital UNIX 4.0a system showed this to be the correct
679 **  setting but given the security consequences, more testing and
680 **  verification is needed.  Unfortunately, the man page offers no
681 **  assistance.
682 */
683 #   define IS_SAFE_CHOWN >= 0
684 #  endif /* _FFR_DIGUNIX_SAFECHOWN */
685 # endif /* __osf__ */
686 
687 
688 /*
689 **  NeXTstep
690 */
691 
692 # ifdef NeXT
693 #  define HASINITGROUPS	1	/* has initgroups(3) call */
694 #  define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
695 #  ifndef HASFLOCK
696 #   define HASFLOCK	1	/* has flock(2) call */
697 #  endif
698 #  define UID_T		int	/* compiler gripes on uid_t */
699 #  define GID_T		int	/* ditto for gid_t */
700 #  define MODE_T	int	/* and mode_t */
701 #  define setpgid	setpgrp
702 #  ifndef NOT_SENDMAIL
703 #   define sleep		sleepX
704 #  endif
705 #  ifndef LA_TYPE
706 #   define LA_TYPE	LA_MACH
707 #  endif
708 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
709 #  ifdef _POSIX_SOURCE
710 extern struct passwd	*getpwent();
711 #  else /* _POSIX_SOURCE */
712 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
713 #   define WAITUNION	1	/* use "union wait" as wait argument type */
714 typedef int		pid_t;
715 #   undef WEXITSTATUS
716 #   undef WIFEXITED
717 #   undef WIFSTOPPED
718 #   undef WTERMSIG
719 #  endif /* _POSIX_SOURCE */
720 #  ifndef _PATH_VENDOR_CF
721 #   define _PATH_VENDOR_CF	"/etc/sendmail/sendmail.cf"
722 #  endif
723 #  ifndef _PATH_SENDMAILPID
724 #   define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
725 #  endif
726 #  define SM_INT32	int	/* 32bit integer */
727 
728 #  ifdef TCPWRAPPERS
729 #   ifndef HASUNSETENV
730 #    define HASUNSETENV	1
731 #   endif
732 #   undef NEEDPUTENV
733 #  endif /* TCPWRAPPERS */
734 #  ifndef __APPLE__
735 #   include <libc.h>
736 #   ifndef S_IRUSR
737 #    define S_IRUSR	S_IREAD
738 #   endif
739 #   ifndef S_IWUSR
740 #    define S_IWUSR	S_IWRITE
741 #   endif
742 #   define _PATH_MAILDIR	"/usr/spool/mail"
743 #  endif /* ! __APPLE__ */
744 #  ifndef isascii
745 #   define isascii(c)	((unsigned)(c) <= 0177)
746 #  endif
747 # endif /* NeXT */
748 
749 /*
750 **  Apple Darwin
751 **      Contributed by Wilfredo Sanchez <wsanchez@mit.edu>
752 */
753 
754 # if defined(DARWIN)
755 #  define HASFCHMOD		1	/* has fchmod(2) */
756 #  define HASFCHOWN		1	/* has fchown(2) */
757 #  define HASFLOCK		1	/* has flock(2) */
758 #  define HASUNAME		1	/* has uname(2) */
759 #  define HASUNSETENV		1	/* has unsetenv(3) */
760 #  define HASSETSID		1	/* has POSIX setsid(2) call */
761 #  define HASINITGROUPS		1	/* has initgroups(3) */
762 #  define HASSETVBUF		1	/* has setvbuf (3) */
763 #  define HASSETREUID		0	/* setreuid(2) unusable */
764 #  define HASSETEUID		1	/* has seteuid(2) */
765 #  define USESETEUID		1	/* has seteuid(2) */
766 #  define HASSETEGID		1	/* has setegid(2) */
767 #  define HASSETREGID		1	/* has setregid(2) */
768 #  define HASSETRESGID		0	/* no setresgid(2) */
769 #  define HASLSTAT		1	/* has lstat(2) */
770 #  define HASSETRLIMIT		1	/* has setrlimit(2) */
771 #  define HASWAITPID		1	/* has waitpid(2) */
772 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
773 #  define HAS_ST_GEN		1	/* has st_gen field in struct stat */
774 #  define HASURANDOMDEV		1	/* has urandom(4) */
775 #  define HASSTRERROR		1	/* has strerror(3) */
776 #  define HASGETUSERSHELL	1	/* had getusershell(3) */
777 #  if DARWIN >=180000
778 #   ifdef HASRRESVPORT
779 #    undef HASRRESVPORT
780 #   endif
781 #   define HASRRESVPORT		0	/* deprecated rresvport() */
782 #  endif
783 #  define GIDSET_T		gid_t	/* getgroups(2) takes gid_t */
784 #  define LA_TYPE		LA_SUBR	/* use getloadavg(3) */
785 #  define SFS_TYPE		SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
786 #  if DARWIN >= 70000
787 #   define SOCKADDR_LEN_T	socklen_t
788 #  endif
789 #  if DARWIN >= 80000
790 #   define SPT_TYPE		SPT_REUSEARGV
791 #   define SPT_PADCHAR		'\0'
792 #   define SOCKOPT_LEN_T	socklen_t
793 #  else
794 #   define SPT_TYPE		SPT_PSSTRINGS	/* use magic PS_STRINGS pointer for setproctitle */
795 #  endif
796 #  define ERRLIST_PREDEFINED		/* don't declare sys_errlist */
797 #  define BSD4_4_SOCKADDR		/* struct sockaddr has sa_len */
798 #  define SAFENFSPATHCONF	0	/* unverified: pathconf(2) doesn't work on NFS */
799 #  define HAS_IN_H		1
800 #  define NETLINK		1	/* supports AF_LINK */
801 #  ifndef NOT_SENDMAIL
802 #   define sleep sleepX
803 extern unsigned int sleepX __P((unsigned int seconds));
804 #  endif /* ! NOT_SENDMAIL */
805 # endif /* defined(DARWIN) */
806 
807 
808 /*
809 **  4.4 BSD
810 **
811 **	See also BSD defines.
812 */
813 
814 # if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) && !defined(DARWIN)
815 #  include <paths.h>
816 #  define HASUNSETENV	1	/* has unsetenv(3) call */
817 #  define USESETEUID	1	/* has usable seteuid(2) call */
818 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
819 #  define HASFCHOWN	1	/* has fchown(2) syscall */
820 #  define HASSTRERROR	1	/* has strerror(3) */
821 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
822 #  include <sys/cdefs.h>
823 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
824 #  define BSD4_4_SOCKADDR	/* has sa_len */
825 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
826 #  define NETLINK	1	/* supports AF_LINK */
827 #  ifndef LA_TYPE
828 #   define LA_TYPE	LA_SUBR
829 #  endif
830 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
831 #  define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
832 # endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) && !defined(DARWIN)*/
833 
834 
835 /*
836 **  BSD/OS (was BSD/386) (all versions)
837 **	From Tony Sanders, BSDI
838 */
839 
840 # ifdef __bsdi__
841 #  include <paths.h>
842 #  define HASUNSETENV	1	/* has the unsetenv(3) call */
843 #  define HASSETREUID	0	/* BSD-OS has broken setreuid(2) emulation */
844 #  define HASSETSID	1	/* has POSIX setsid(2) call */
845 #  define USESETEUID	1	/* has usable seteuid(2) call */
846 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
847 #  define HASSETLOGIN	1	/* has setlogin(2) */
848 #  define HASUNAME	1	/* has uname(2) syscall */
849 #  define HASSTRERROR	1	/* has strerror(3) */
850 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
851 #  include <sys/cdefs.h>
852 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
853 #  define BSD4_4_SOCKADDR	/* has sa_len */
854 #  define NETLINK	1	/* supports AF_LINK */
855 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
856 #  ifndef LA_TYPE
857 #   define LA_TYPE	LA_SUBR
858 #  endif
859 #  define GIDSET_T	gid_t
860 #  define QUAD_T		quad_t
861 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
862 			/* version 1.1 or later */
863 #   undef SPT_TYPE
864 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
865 #  else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
866 			/* version 1.0 or earlier */
867 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
868 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
869 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701	/* on 3.x */
870 #   define HASSETUSERCONTEXT 1	/* has setusercontext */
871 #  endif
872 #  if defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701	/* 3.1 and earlier */
873 #   define MODE_T	int	/* va_arg() can't handle less than int */
874 #  endif
875 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910	/* on 4.x */
876 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
877 #  endif
878 # endif /* __bsdi__ */
879 
880 
881 # if defined(__QNX__)
882 #  if defined(__QNXNTO__)
883 /* QNX 6 */
884 #   include <unix.h>
885 #   define HASUNSETENV	1	/* has unsetenv(3) call */
886 #   define HASINITGROUPS	1	/* has initgroups(3) call */
887 #   define HASSETSID	1	/* has POSIX setsid(2) call */
888 #   define USESETEUID	1	/* has usable seteuid(2) call */
889 #   define HASFCHMOD	1	/* has fchmod(2) syscall */
890 #   define HASFCHOWN	1	/* has fchown(2) syscall */
891 #   define HASUNAME	1	/* has uname(2) syscall */
892 #   define HASSTRERROR	1	/* has strerror(3) */
893 #   define BSD4_4_SOCKADDR	/* has sa_len */
894 #   define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
895 #   define NETLINK	1	/* supports AF_LINK */
896 #   define GIDSET_T	gid_t
897 #   define QUAD_T	uint64_t
898 #   define HASSNPRINTF	1	/* has snprintf(3) (all versions?) */
899 #   define HASGETUSERSHELL 0
900 
901 /*
902 **  We have a strrev() that doesn't allocate anything.
903 **  Make sure the one here is used.
904 */
905 
906 #   define strrev strrev_sendmail
907 
908 #  else /* defined(__QNXNTO__) */
909 
910 /*
911 **  QNX 4.2x
912 **	Contributed by Glen McCready <glen@qnx.com>.
913 **
914 **	Should work with all versions of QNX 4.
915 */
916 
917 #   include <unix.h>
918 #   include <sys/select.h>
919 #   undef NGROUPS_MAX
920 #   define HASSETSID	1	/* has POSIX setsid(2) call */
921 #   define USESETEUID	1	/* has usable seteuid(2) call */
922 #   define HASFCHMOD	1	/* has fchmod(2) syscall */
923 #   define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
924 #   define HASSETREUID	1	/* has setreuid(2) call */
925 #   define HASSTRERROR	1	/* has strerror(3) */
926 #   define HASFLOCK	0
927 #   undef HASINITGROUPS		/* has initgroups(3) call */
928 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
929 #   define IP_SRCROUTE	1	/* can check IP source routing */
930 #   define TZ_TYPE	TZ_TMNAME	/* use tmname variable */
931 #   define GIDSET_T	gid_t
932 #   define LA_TYPE	LA_ZERO
933 #   define SFS_TYPE	SFS_NONE
934 #   define SPT_TYPE	SPT_REUSEARGV
935 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
936 #   define HASGETUSERSHELL 0
937 #   define _FILE_H_INCLUDED
938 #  endif /* defined(__QNXNTO__) */
939 # endif /* defined(__QNX__) */
940 
941 
942 /*
943 **  DragonFly BSD/ FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
944 **
945 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
946 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
947 **
948 **	See also BSD defines.
949 */
950 
951 # if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
952 #  include <paths.h>
953 #  define HASUNSETENV	1	/* has unsetenv(3) call */
954 #  define HASSETSID	1	/* has POSIX setsid(2) call */
955 #  define USESETEUID	1	/* has usable seteuid(2) call */
956 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
957 #  define HASFCHOWN	1	/* has fchown(2) syscall */
958 #  define HASUNAME	1	/* has uname(2) syscall */
959 #  define HASSTRERROR	1	/* has strerror(3) */
960 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
961 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
962 #  include <sys/cdefs.h>
963 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
964 #  define BSD4_4_SOCKADDR	/* has sa_len */
965 #  define NETLINK	1	/* supports AF_LINK */
966 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
967 #  define GIDSET_T	gid_t
968 #  define QUAD_T	unsigned long long
969 #  define HASSNPRINTF	1	/* has snprintf(3) (all versions?) */
970 #  ifndef LA_TYPE
971 #   define LA_TYPE	LA_SUBR
972 #  endif
973 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && \
974     ((__NetBSD_Version__ >= 200040000 && __NetBSD_Version__ < 200090000) || \
975     (__NetBSD_Version__ >= 299000900))
976 #   undef SFS_TYPE
977 #   define SFS_TYPE	SFS_STATVFS
978 #  else
979 #   define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
980 #  endif
981 #  if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
982 #   undef SPT_TYPE
983 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
984 #  endif
985 #  if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3))
986 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
987 #  endif
988 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 104170000
989 #   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
990 #  endif
991 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && \
992     ((__NetBSD_Version__ >= 200060000 && __NetBSD_Version__ < 200090000) || \
993     (__NetBSD_Version__ >= 299000900))
994 #   define HASCLOSEFROM	1	/* closefrom(3) added in 2.0F */
995 #  endif
996 #  if defined(__NetBSD__)
997 #   define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
998 #   include <sys/param.h>
999 #   include <sys/sysctl.h>
1000 #   define HAVE_IFC_BUF_VOID	1	/* void *ifc_buf instead of caddr_t */
1001 #  endif
1002 #  if defined(__DragonFly__)
1003 #   define HASSETLOGIN		1	/* has setlogin(2) */
1004 #   define HASSRANDOMDEV	1	/* has srandomdev(3) */
1005 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1006 #   undef SPT_TYPE
1007 #   include <libutil.h>
1008 #   define SPT_TYPE		SPT_BUILTIN
1009 #   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1010 #   ifndef SMRSH_CMDDIR
1011 #    define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
1012 #   endif
1013 #   ifndef SMRSH_PATH
1014 #    define SMRSH_PATH		"/bin:/usr/bin"
1015 #   endif
1016 #  define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
1017 #  include <sys/sysctl.h>
1018 #  endif /* defined(__DragonFly__) */
1019 #  if defined(__FreeBSD__)
1020 #   define HASSETLOGIN	1	/* has setlogin(2) */
1021 #   if __FreeBSD_version >= 227001
1022 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1023 #    define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1024 #   endif /* __FreeBSD_version >= 227001 */
1025 #   undef SPT_TYPE
1026 #   if __FreeBSD__ >= 2
1027 #    include <osreldate.h>
1028 #    if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
1029 #     if __FreeBSD_version < 500012	/* Moved to libc in 2000 */
1030 #      include <libutil.h>
1031 #     endif
1032 #     define SPT_TYPE	SPT_BUILTIN
1033 #    endif /* __FreeBSD_version >= 199512 */
1034 #    if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
1035 #     define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1036 #    endif
1037 #    if __FreeBSD_version >= 300000	/* 3.0.0-release and later */
1038 #     define HAVE_NANOSLEEP	1	/* has nanosleep(2) */
1039 #    endif
1040 #    if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
1041 #     ifndef SMRSH_CMDDIR
1042 #      define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
1043 #     endif
1044 #     ifndef SMRSH_PATH
1045 #      define SMRSH_PATH	"/bin:/usr/bin"
1046 #     endif
1047 #    endif /* __FreeBSD_version >= 330000 */
1048 #    if __FreeBSD_version >= 430000	/* 4.3.0-release and later */
1049 #     define SOCKADDR_LEN_T	socklen_t	/* e.g., arg#3 to accept, getsockname */
1050 #     define SOCKOPT_LEN_T	socklen_t	/* arg#5 to getsockopt */
1051 #    endif /* __FreeBSD_version >= 430000 */
1052 #    define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
1053 #    include <sys/sysctl.h>
1054 #   endif /* __FreeBSD__ >= 2 */
1055 #   ifndef SPT_TYPE
1056 #    define SPT_TYPE	SPT_REUSEARGV
1057 #    define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1058 #   endif
1059 #  endif /* defined(__FreeBSD__) */
1060 #  if defined(__OpenBSD__)
1061 #   undef SPT_TYPE
1062 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
1063 #   define HASSETLOGIN	1	/* has setlogin(2) */
1064 #   if OpenBSD < 200305
1065 #    define HASSETREUID	0	/* setreuid(2) broken in OpenBSD < 3.3 */
1066 #   endif
1067 #   define HASSETEGID	1	/* use setegid(2) to set saved gid */
1068 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1069 #   if OpenBSD >= 200006
1070 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1071 #   endif
1072 #   if OpenBSD >= 200012
1073 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1074 #   endif
1075 #   if OpenBSD >= 200405
1076 #    define HASCLOSEFROM	1	/* closefrom(3) added in 3.5 */
1077 #   endif
1078 #   if OpenBSD >= 200505
1079 #    undef NETISO	/* iso.h removed in 3.7 */
1080 #   endif
1081 #   if OpenBSD >= 200800
1082 #    define HAVE_NANOSLEEP	1	/* has nanosleep(2) */
1083 #   endif
1084 #   ifndef SOCKADDR_LEN_T
1085 #    define SOCKADDR_LEN_T	socklen_t	/* e.g., arg#3 to accept, getsockname */
1086 #   endif
1087 #   ifndef SOCKOPT_LEN_T
1088 #    define SOCKOPT_LEN_T	socklen_t	/* arg#5 to getsockopt */
1089 #   endif
1090 #  endif /* defined(__OpenBSD__) */
1091 # endif /* defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
1092 
1093 
1094 /*
1095 **  Mach386
1096 **
1097 **	For mt Xinu's Mach386 system.
1098 */
1099 
1100 # if defined(MACH) && defined(i386) && !defined(__GNU__)
1101 #  define MACH386	1
1102 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1103 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1104 #  ifndef HASFLOCK
1105 #   define HASFLOCK	1	/* has flock(2) call */
1106 #  endif
1107 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1108 #  define NEEDSTRTOL	1	/* need the strtol() function */
1109 #  define setpgid	setpgrp
1110 #  ifndef LA_TYPE
1111 #   define LA_TYPE	LA_FLOAT
1112 #  endif
1113 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1114 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1115 #  undef WEXITSTATUS
1116 #  undef WIFEXITED
1117 #  ifndef _PATH_VENDOR_CF
1118 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1119 #  endif
1120 #  ifndef _PATH_SENDMAILPID
1121 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1122 #  endif
1123 # endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
1124 
1125 
1126 
1127 /*
1128 **  GNU OS (hurd)
1129 **	Largely BSD & posix compatible.
1130 **	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
1131 **	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
1132 */
1133 
1134 # if defined(__GNU__) && !defined(NeXT)
1135 #  include <paths.h>
1136 #  define HASFCHMOD	1	/* has fchmod(2) call */
1137 #  define HASFCHOWN	1	/* has fchown(2) call */
1138 #  define HASUNAME	1	/* has uname(2) call */
1139 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1140 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
1141 #  define HASSTRERROR	1	/* has strerror(3) */
1142 #  define GIDSET_T	gid_t
1143 #  define SOCKADDR_LEN_T	socklen_t
1144 #  define SOCKOPT_LEN_T	socklen_t
1145 #  if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
1146 #   define LA_TYPE	LA_SUBR
1147 #  else /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1148 #   define LA_TYPE	LA_MACH
1149    /* GNU uses mach[34], which renames some rpcs from mach2.x. */
1150 #   define host_self	mach_host_self
1151 #  endif /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1152 #  define SFS_TYPE	SFS_STATFS
1153 #  define SPT_TYPE	SPT_CHANGEARGV
1154 #  define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
1155 #  define BSD4_4_SOCKADDR	1	/* has sa_len */
1156 #  define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
1157 #  define HAS_IN_H	1	/* GNU has netinet/in.h. */
1158 /* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
1159 #  define MAXPATHLEN	2048
1160 # endif /* defined(__GNU__) && !defined(NeXT) */
1161 
1162 /*
1163 **  4.3 BSD -- this is for very old systems
1164 **
1165 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
1166 **
1167 **	You'll also have to install a new resolver library.
1168 **	I don't guarantee that support for this environment is complete.
1169 */
1170 
1171 # if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1172 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1173 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1174 #  define ARBPTR_T	char *
1175 #  define setpgid	setpgrp
1176 #  ifndef LA_TYPE
1177 #   define LA_TYPE	LA_FLOAT
1178 #  endif
1179 #  ifndef _PATH_VENDOR_CF
1180 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1181 #  endif
1182 #  ifndef IDENTPROTO
1183 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1184 #  endif
1185 #  undef WEXITSTATUS
1186 #  undef WIFEXITED
1187 typedef short		pid_t;
1188 # endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1189 
1190 
1191 /*
1192 **  SCO Unix
1193 **
1194 **	This includes three parts:
1195 **
1196 **	The first is for SCO OpenServer 5.
1197 **	(Contributed by Keith Reynolds <keithr@sco.COM>).
1198 **
1199 **		SCO OpenServer 5 has a compiler version number macro,
1200 **		which we can use to figure out what version we're on.
1201 **		This may have to change in future releases.
1202 **
1203 **	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1204 **	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1205 **
1206 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1207 */
1208 
1209 /* SCO OpenServer 5 */
1210 # if _SCO_DS >= 1
1211 #  include <paths.h>
1212 #  define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1213 #  define HASFCHMOD	1	/* has fchmod(2) call */
1214 #  define HASFCHOWN	1	/* has fchown(2) call */
1215 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1216 #  define USESETEUID	1	/* has seteuid(2) call */
1217 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1218 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1219 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1220 #  define LDA_USE_LOCKF	1
1221 #  ifndef LA_TYPE
1222 #   define LA_TYPE	LA_DEVSHORT
1223 #  endif
1224 #  define _PATH_AVENRUN	"/dev/table/avenrun"
1225 #  ifndef _SCO_unix_4_2
1226 #   define _SCO_unix_4_2
1227 #  else /* ! _SCO_unix_4_2 */
1228 #   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1229 #   define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
1230 #  endif /* ! _SCO_unix_4_2 */
1231 # endif /* _SCO_DS >= 1 */
1232 
1233 /* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1234 # ifdef _SCO_unix_4_2
1235 #  define _SCO_unix_
1236 #  define HASSETREUID	1	/* has setreuid(2) call */
1237 # endif /* _SCO_unix_4_2 */
1238 
1239 /* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1240 # ifdef _SCO_unix_
1241 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1242 #  define SYSTEM5	1	/* include all the System V defines */
1243 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1244 #  define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1245 #  ifndef USE_SIGLONGJMP
1246 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1247 #  endif
1248 #  define MAXPATHLEN	PATHSIZE
1249 #  define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1250 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1251 #  define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1252 #  define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1253 #  define UID_T		uid_t
1254 #  define GID_T		gid_t
1255 #  define GIDSET_T	gid_t
1256 #  define _PATH_UNIX		"/unix"
1257 #  ifndef _PATH_VENDOR_CF
1258 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1259 #  endif
1260 #  ifndef _PATH_SENDMAILPID
1261 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1262 #  endif
1263 
1264 /* stuff fixed in later releases */
1265 #  ifndef _SCO_unix_4_2
1266 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1267 #  endif
1268 
1269 #  ifndef _SCO_DS
1270 #   define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1271 #   define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1272 #   define NETUNIX	0	/* no unix domain socket support */
1273 #   define LA_TYPE	LA_SHORT
1274 #  endif /* ! _SCO_DS */
1275 
1276 # endif /* _SCO_unix_ */
1277 
1278 /*
1279 **  ISC (SunSoft) Unix.
1280 **
1281 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1282 */
1283 
1284 # ifdef ISC_UNIX
1285 #  include <net/errno.h>
1286 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1287 #  include <sys/bsdtypes.h>
1288 #  define SYSTEM5	1	/* include all the System V defines */
1289 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1290 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1291 #  define HASSETREUID	1	/* has setreuid(2) call */
1292 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1293 #  define NETUNIX	0	/* no unix domain socket support */
1294 #  define MAXPATHLEN	1024
1295 #  define LA_TYPE	LA_SHORT
1296 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1297 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1298 #  define _PATH_UNIX		"/unix"
1299 #  ifndef _PATH_VENDOR_CF
1300 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1301 #  endif
1302 #  ifndef _PATH_SENDMAILPID
1303 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1304 #  endif
1305 # endif /* ISC_UNIX */
1306 
1307 
1308 /*
1309 **  Altos System V (5.3.1)
1310 **	Contributed by Tim Rice <tim@trr.metro.net>.
1311 */
1312 
1313 # ifdef ALTOS_SYSTEM_V
1314 #  include <sys/stream.h>
1315 #  include <limits.h>
1316 #  define SYSTEM5	1	/* include all the System V defines */
1317 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1318 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1319 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1320 #  define NEEDFSYNC	1	/* no fsync(2) in system library */
1321 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1322 #  define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1323 #  define MAXPATHLEN	PATH_MAX
1324 #  define LA_TYPE	LA_SHORT
1325 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1326 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1327 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1328 #  define NETUNIX	0	/* no unix domain socket support */
1329 #  undef WIFEXITED
1330 #  undef WEXITSTATUS
1331 #  define strtoul	strtol	/* gcc library bogosity */
1332 
1333 typedef unsigned short	uid_t;
1334 typedef unsigned short	gid_t;
1335 typedef short		pid_t;
1336 typedef unsigned long	mode_t;
1337 
1338 /* some stuff that should have been in the include files */
1339 extern char		*malloc();
1340 extern struct passwd	*getpwent();
1341 extern struct passwd	*getpwnam();
1342 extern struct passwd	*getpwuid();
1343 extern char		*getenv();
1344 extern struct group	*getgrgid();
1345 extern struct group	*getgrnam();
1346 
1347 # endif /* ALTOS_SYSTEM_V */
1348 
1349 
1350 /*
1351 **  ConvexOS 11.0 and later
1352 **
1353 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1354 **	works on 9.1 as well.
1355 **
1356 **  ConvexOS 11.5 and later, should work on 11.0 as defined.
1357 **  For pre-ConvexOOS 11.0, define SM_CONF_GETOPT=0, undef IDENTPROTO
1358 **
1359 **	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1360 **		(now the CONVEX Technologies Center of Hewlett Packard)
1361 */
1362 
1363 # ifdef _CONVEX_SOURCE
1364 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1365 #  define HASINITGROUPS	1	/* has initgroups(3) */
1366 #  define HASUNAME	1	/* use System V uname(2) system call */
1367 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1368 #  define HASUNSETENV	1	/* has unsetenv(3) */
1369 #  define HASFLOCK	1	/* has flock(2) */
1370 #  define HASSETRLIMIT	1	/* has setrlimit(2) */
1371 #  define HASSETREUID	1	/* has setreuid(2) */
1372 #  define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1373 #  define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1374 #  define SM_CONF_GETOPT	1	/* need a replacement for getopt(3) */
1375 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1376 #  define LA_TYPE	LA_FLOAT
1377 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1378 #  ifndef _PATH_VENDOR_CF
1379 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1380 #  endif
1381 #  ifndef S_IREAD
1382 #   define S_IREAD	_S_IREAD
1383 #   define S_IWRITE	_S_IWRITE
1384 #   define S_IEXEC	_S_IEXEC
1385 #   define S_IFMT	_S_IFMT
1386 #   define S_IFCHR	_S_IFCHR
1387 #   define S_IFBLK	_S_IFBLK
1388 #  endif /* ! S_IREAD */
1389 #  ifndef TZ_TYPE
1390 #   define TZ_TYPE	TZ_TIMEZONE
1391 #  endif
1392 #  ifndef IDENTPROTO
1393 #   define IDENTPROTO	1
1394 #  endif
1395 #  ifndef SHARE_V1
1396 #   define SHARE_V1	1	/* version 1 of the fair share scheduler */
1397 #  endif
1398 #  if !defined(__GNUC__ )
1399 #   define UID_T	int	/* GNUC gets it right, ConvexC botches */
1400 #   define GID_T	int	/* GNUC gets it right, ConvexC botches */
1401 #  endif
1402 #  if SECUREWARE
1403 #   define FORK	fork		/* SecureWare wants the real fork! */
1404 #  else
1405 #   define FORK	vfork		/* the rest of the OS versions don't care */
1406 #  endif
1407 # endif /* _CONVEX_SOURCE */
1408 
1409 
1410 /*
1411 **  RISC/os 4.52
1412 **
1413 **	Gives a ton of warning messages, but otherwise compiles.
1414 */
1415 
1416 # ifdef RISCOS
1417 
1418 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1419 #  ifndef HASFLOCK
1420 #   define HASFLOCK	1	/* has flock(2) call */
1421 #  endif
1422 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1423 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1424 #  define NEEDPUTENV	1	/* need putenv(3) call */
1425 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1426 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1427 #  define LA_TYPE	LA_INT
1428 #  define LA_AVENRUN	"avenrun"
1429 #  define _PATH_UNIX	"/unix"
1430 #  undef WIFEXITED
1431 
1432 #  define setpgid	setpgrp
1433 
1434 typedef int		pid_t;
1435 #  define SIGFUNC_DEFINED
1436 #  define SIGFUNC_RETURN	(0)
1437 #  define SIGFUNC_DECL	int
1438 typedef int		(*sigfunc_t)();
1439 extern char		*getenv();
1440 extern void		*malloc();
1441 
1442 /* added for RISC/os 4.01...which is dumber than 4.50 */
1443 #  ifdef RISCOS_4_0
1444 #   ifndef ARBPTR_T
1445 #    define ARBPTR_T	char *
1446 #   endif
1447 #   undef HASFLOCK
1448 #   define HASFLOCK	0
1449 #  endif /* RISCOS_4_0 */
1450 
1451 #  include <sys/time.h>
1452 
1453 # endif /* RISCOS */
1454 
1455 
1456 /*
1457 **  Linux 0.99pl10 and above...
1458 **
1459 **  Thanks to, in reverse order of contact:
1460 **
1461 **	John Kennedy <warlock@csuchico.edu>
1462 **	Andrew Pam <avatar@aus.xanadu.com>
1463 **	Florian La Roche <rzsfl@rz.uni-sb.de>
1464 **	Karl London <karl@borg.demon.co.uk>
1465 **
1466 **  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1467 **	file locking is no longer allowed.  In particular, make sure
1468 **	your DBM library and sendmail are both using either flock(2)
1469 **	*or* fcntl(2) file locking, but not both.
1470 */
1471 
1472 # ifdef __linux__
1473 #  include <linux/version.h>
1474 #  if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1475 #   define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1476 #  endif
1477 #  define BSD		1	/* include BSD defines */
1478 #  define HASSETREGID	1	/* use setregid(2) to set saved gid */
1479 #  ifndef REQUIRES_DIR_FSYNC
1480 #   define REQUIRES_DIR_FSYNC	1	/* requires fsync() on directory */
1481 #  endif
1482 #  ifndef USESETEUID
1483 #   define USESETEUID	0	/* has it due to POSIX, but doesn't work */
1484 #  endif
1485 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1486 #  define HASUNAME	1	/* use System V uname(2) system call */
1487 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1488 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1489 #  define GIDSET_T	gid_t	/* from <linux/types.h> */
1490 #  ifndef HASGETUSERSHELL
1491 #   define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1492 #  endif
1493 #  ifndef IP_SRCROUTE
1494 #   define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1495 #  endif
1496 #  ifndef HAS_IN_H
1497 #   define HAS_IN_H	1	/* use netinet/in.h */
1498 #  endif
1499 #  ifndef USE_SIGLONGJMP
1500 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1501 #  endif
1502 #  ifndef HASFLOCK
1503 #   if LINUX_VERSION_CODE < 66399
1504 #    define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1505 #   else /* LINUX_VERSION_CODE < 66399 */
1506 #     if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
1507 #      define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1508 #     else
1509 #      define HASFLOCK	0	/* flock(2) is broken (again) after 2.4.0 */
1510 #     endif
1511 #   endif /* LINUX_VERSION_CODE < 66399 */
1512 #  endif /* ! HASFLOCK */
1513 #  ifndef LA_TYPE
1514 #   define LA_TYPE	LA_PROCSTR
1515 #  endif
1516 #  define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1517 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1518 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1519 #   ifndef HASURANDOMDEV
1520 #    define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1521 #   endif
1522 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) */
1523 #  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1524 #   define HASSTRERROR	1	/* has strerror(3) */
1525 #  endif
1526 #  ifndef TZ_TYPE
1527 #   define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1528 #  endif
1529 #  if (__GLIBC__ >= 2)
1530 #   include <paths.h>
1531 #  endif
1532 #  ifndef _PATH_SENDMAILPID
1533 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1534 #  endif
1535 #  include <sys/sysmacros.h>
1536 #  undef atol			/* wounded in <stdlib.h> */
1537 
1538 #  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1539 #   define GLIBC_VERSION ((__GLIBC__ << 9) + __GLIBC_MINOR__)
1540 #   if (GLIBC_VERSION >= 0x201)
1541 #    define SOCKADDR_LEN_T     socklen_t
1542 #    define SOCKOPT_LEN_T      socklen_t
1543 #   endif
1544 #  endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1545 
1546 #  if NETINET6
1547    /*
1548    **  Linux doesn't have a good way to tell userland what interfaces are
1549    **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1550    **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1551    **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1552    */
1553 #   define ADDRCONFIG_IS_BROKEN	1
1554 
1555    /*
1556    **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1557    **  in 2.1 and later, but the APIs appear before the functions.
1558    */
1559 #   if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1560 #    if (GLIBC_VERSION >= 0x201)
1561 #     undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1562 #    else
1563 #     include <linux/in6.h>	/* IPv6 support */
1564 #    endif
1565 #    if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE))
1566      /* Have APIs in <netdb.h>, but no support in glibc */
1567 #     define NEEDSGETIPNODE	1
1568 #    endif
1569 #    undef GLIBC_VERSION
1570 #   endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1571 #  endif /* NETINET6 */
1572 #  ifndef HASFCHOWN
1573 #   define HASFCHOWN	1	/* fchown(2) */
1574 #  endif
1575 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD)
1576 #    define HASFCHMOD	1	/* fchmod(2) */
1577 #  endif
1578 # endif /* __linux__ */
1579 
1580 
1581 /*
1582 **  DELL SVR4 Issue 2.2, and others
1583 **	From Kimmo Suominen <kim@grendel.lut.fi>
1584 **
1585 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1586 **	defined, and the definitions conflict.
1587 **
1588 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1589 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1590 **	(SVR4.0/386 version 3.0).
1591 */
1592 
1593 # ifdef DELL_SVR4
1594 				/* no changes necessary */
1595 				/* see general __svr4__ defines below */
1596 # endif /* DELL_SVR4 */
1597 
1598 
1599 /*
1600 **  Apple A/UX 3.0
1601 */
1602 
1603 # ifdef _AUX_SOURCE
1604 #  include <sys/sysmacros.h>
1605 #  define BSD			/* has BSD routines */
1606 #  define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1607 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1608 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1609 #  define HASUNAME	1	/* use System V uname(2) system call */
1610 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1611 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1612 #  define HASSETVBUF	1	/* has setvbuf(3) in libc */
1613 #  define HASSTRERROR	1	/* has strerror(3) */
1614 #  define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1615 #  define SIGFUNC_RETURN		/* POSIX-mode */
1616 #  define SIGFUNC_DECL	void	/* POSIX-mode */
1617 #  define ERRLIST_PREDEFINED	1
1618 #  ifndef IDENTPROTO
1619 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1620 #  endif
1621 #  ifndef LA_TYPE
1622 #   define LA_TYPE	LA_INT
1623 #   define FSHIFT	16
1624 #  endif
1625 #  define LA_AVENRUN	"avenrun"
1626 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1627 #  define TZ_TYPE	TZ_TZNAME
1628 #  ifndef _PATH_UNIX
1629 #   define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1630 #  endif
1631 #  ifndef _PATH_VENDOR_CF
1632 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1633 #  endif
1634 #  undef WIFEXITED
1635 #  undef WEXITSTATUS
1636 # endif /* _AUX_SOURCE */
1637 
1638 
1639 /*
1640 **  Encore UMAX V
1641 **
1642 **	Not extensively tested.
1643 */
1644 
1645 # ifdef UMAXV
1646 #  define HASUNAME	1	/* use System V uname(2) system call */
1647 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1648 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1649 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1650 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1651 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1652 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1653 #  define MAXPATHLEN	PATH_MAX
1654 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1655 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1656 #  undef WIFEXITED
1657 #  undef WEXITSTATUS
1658 # endif /* UMAXV */
1659 
1660 
1661 /*
1662 **  Stardent Titan 3000 running TitanOS 4.2.
1663 **
1664 **	Must be compiled in "cc -43" mode.
1665 **
1666 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1667 **
1668 **	Note the tweaking below after the BSD defines are set.
1669 */
1670 
1671 # ifdef titan
1672 #  define setpgid	setpgrp
1673 typedef int		pid_t;
1674 #  undef WIFEXITED
1675 #  undef WEXITSTATUS
1676 # endif /* titan */
1677 
1678 
1679 /*
1680 **  Sequent DYNIX 3.2.0
1681 **
1682 **	From Jim Davis <jdavis@cs.arizona.edu>.
1683 */
1684 
1685 # ifdef sequent
1686 
1687 #  define BSD		1
1688 #  define HASUNSETENV	1
1689 #  define BSD4_3		1	/* to get signal() in conf.c */
1690 #  define WAITUNION	1
1691 #  define LA_TYPE	LA_FLOAT
1692 #  ifdef _POSIX_VERSION
1693 #   undef _POSIX_VERSION		/* set in <unistd.h> */
1694 #  endif
1695 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1696 #  define setpgid	setpgrp
1697 
1698 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1699 #  undef	WIFEXITED
1700 #  define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1701 			 ((union wait*)&(s))->w_termsig == 0)
1702 #  define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1703 typedef int		pid_t;
1704 #  define isgraph(c)	(isprint(c) && (c != ' '))
1705 
1706 #  ifndef IDENTPROTO
1707 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1708 #  endif
1709 
1710 #  ifndef _PATH_UNIX
1711 #   define _PATH_UNIX		"/dynix"
1712 #  endif
1713 #  ifndef _PATH_VENDOR_CF
1714 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1715 #  endif
1716 # endif /* sequent */
1717 
1718 
1719 /*
1720 **  Sequent DYNIX/ptx v2.0 (and higher)
1721 **
1722 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
1723 **
1724 **	From Tim Wright <timw@sequent.com>.
1725 **	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1726 **		for DYNIX/ptx 4.0.2.
1727 */
1728 
1729 # ifdef _SEQUENT_
1730 #  include <sys/stream.h>
1731 #  define SYSTEM5	1	/* include all the System V defines */
1732 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1733 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1734 #  define HASSETREUID	1	/* has setreuid(2) call */
1735 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1736 #  define GIDSET_T	gid_t
1737 #  define LA_TYPE	LA_INT
1738 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1739 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1740 #  ifndef IDENTPROTO
1741 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1742 #  endif
1743 #  ifndef _PATH_VENDOR_CF
1744 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1745 #  endif
1746 #  ifndef _PATH_SENDMAILPID
1747 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1748 #  endif
1749 # endif /* _SEQUENT_ */
1750 
1751 /*
1752 **  Cray UNICOS, UNICOS/mk, and UNICOS/mp
1753 **
1754 **    UNICOS:
1755 **	Ported by David L. Kensiski, Sterling Software <kensiski@nas.nasa.gov>
1756 **	Update Brian Ginsbach <ginsbach@cray.com>
1757 **    UNICOS/mk (Cray T3E):
1758 **	Contributed by Manu Mahonen <mailadm@csc.fi>
1759 **	of Center for Scientific Computing.
1760 **	Update Brian Ginsbach <ginsbach@cray.com>
1761 **    UNICOS/mp:
1762 **	From Aaron Davis <awd@cray.com> & Brian Ginsbach <ginsbach@cray.com>
1763 */
1764 
1765 # if defined(_CRAY) || defined(UNICOS) || defined(_UNICOSMP)
1766 #  define SYSTEM5	1	/* include all the System V defines */
1767 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1768 #  define HASFCHOWN	1	/* has fchown(2) */
1769 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1770 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1771 #  define HASSETREUID	1	/* has setreuid(2) call */
1772 #  define USESETEUID	1	/* has usable seteuid(2) call */
1773 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
1774 #  define HASSTRERROR	1	/* has strerror(3) */
1775 #  define GIDSET_T	gid_t
1776 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1777 #  define SFS_BAVAIL	f_bfree	/* alternate field name */
1778 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
1779 #  ifdef UNICOS
1780 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1781 #   define LA_TYPE	LA_ZERO
1782 #   define _PATH_MAILDIR	"/usr/spool/mail"
1783 #   define GET_IPOPT_DST(dst) *(struct in_addr *)&(dst)
1784 #   ifndef MAXPATHLEN
1785 #    define MAXPATHLEN PATHSIZE
1786 #   endif
1787 #   ifndef _PATH_UNIX
1788 #    ifdef UNICOSMK
1789 #     define _PATH_UNIX		"/unicosmk.ar"
1790 #    else
1791 #     define _PATH_UNIX		"/unicos"
1792 #    endif
1793 #   endif /* ! _PATH_UNIX */
1794 #   ifndef _PATH_VENDOR_CF
1795 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1796 #   endif
1797 #  endif /* UNICOS */
1798 #  ifdef _UNICOSMP
1799 #  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
1800     /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
1801 #   define _SC_NPROCESSORS_ONLN  _SC_NPROC_ONLN
1802 #  endif
1803 #   define HASGETUSERSHELL 0		/* does not have getusershell(3) call */
1804 #   define HASSETRLIMIT	   1		/* has setrlimit(2) syscall */
1805 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
1806 #   include <sys/cdefs.h>
1807 #   include <paths.h>
1808 #   define ARGV_T char *const *
1809 #  endif /* _UNICOSMP */
1810 # endif /* _CRAY */
1811 
1812 /*
1813 **  Apollo DomainOS
1814 **
1815 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1816 **
1817 **  15 Jan 1994; updated 2 Aug 1995
1818 **
1819 */
1820 
1821 # ifdef apollo
1822 #  define HASSETREUID	1	/* has setreuid(2) call */
1823 #  define HASINITGROUPS	1	/* has initgroups(2) call */
1824 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1825 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1826 #  define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1827 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1828 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1829 #  define TZ_TYPE	TZ_TZNAME
1830 #  ifndef _PATH_VENDOR_CF
1831 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1832 #  endif
1833 #  ifndef _PATH_SENDMAILPID
1834 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1835 #  endif
1836 #  undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1837 #  undef	 S_IFIFO
1838 #  define S_IFIFO	0010000
1839 #  ifndef IDENTPROTO
1840 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1841 #  endif
1842 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1843 #  if defined(NGROUPS_MAX) && !NGROUPS_MAX
1844 #   undef NGROUPS_MAX
1845 #  endif
1846 # endif /* apollo */
1847 
1848 /*
1849 **  MPE-iX
1850 **
1851 **	Requires MPE 6.0 or greater.  See sendmail/README for more info.
1852 **
1853 **	From Mark Bixby <mark_bixby@hp.com> or <mark@bixby.org>.
1854 */
1855 
1856 # ifdef MPE
1857 
1858 #  include <sys/sysmacros.h>
1859 #  include <fcntl.h>
1860 
1861 /* Sendmail stuff */
1862 #  define HASFCHOWN		0	/* lacks fchown() */
1863 #  define HASGETUSERSHELL	0	/* lacks getusershell() */
1864 #  ifdef HASNICE
1865 #   undef  HASNICE
1866 #  endif
1867 #  define HASNICE		0	/* lacks nice() */
1868 #  define HASRANDOM		0	/* lacks random() */
1869 #  ifdef HASRRESVPORT
1870 #   undef HASRRESVPORT
1871 #  endif
1872 #  define HASRRESVPORT		0	/* lacks rresvport() */
1873 #  define IP_SRCROUTE		0	/* lacks IP source routing fields */
1874 #  ifdef MATCHGECOS
1875 #   undef MATCHGECOS
1876 #  endif
1877 #  define MATCHGECOS		0	/* lacks an initialized GECOS field */
1878 #  define NEEDFSYNC		1	/* use sendmail's fsync() */
1879 #  define NEEDLINK		1	/* use sendmail's link() */
1880 #  define NOFTRUNCATE		1	/* lacks ftruncate() */
1881 #  define SFS_TYPE		SFS_NONE /* can't determine disk space */
1882 #  define SM_CONF_SYSLOG	0	/* use sendmail decl of syslog() */
1883 #  define USE_DOUBLE_FORK	0	/* don't fork an intermediate zombie */
1884 #  define USE_ENVIRON		1	/* use environ instead of envp */
1885 
1886 /* Missing header stuff */
1887 #  define AF_UNSPEC		0
1888 #  define AF_MAX		AF_INET
1889 #  define IFF_LOOPBACK		0x8
1890 #  define IN_LOOPBACKNET	127
1891 #  define MAXNAMLEN		NAME_MAX
1892 #  define S_IEXEC		S_IXUSR
1893 #  define S_IREAD		S_IRUSR
1894 #  define S_IWRITE		S_IWUSR
1895 
1896 /* Present header stuff that needs to be missing */
1897 #  undef NGROUPS_MAX
1898 
1899 /* Shadow functions */
1900 #  define bind		sendmail_mpe_bind
1901 #  define _exit		sendmail_mpe__exit
1902 #  define exit		sendmail_mpe_exit
1903 #  define fcntl		sendmail_mpe_fcntl
1904 #  define getegid	sendmail_mpe_getegid
1905 #  define geteuid	sendmail_mpe_geteuid
1906 #  define getpwnam	sendmail_mpe_getpwnam
1907 #  define getpwuid	sendmail_mpe_getpwuid
1908 #  define setgid	sendmail_mpe_setgid
1909 #  define setuid	sendmail_mpe_setuid
1910 extern int		sendmail_mpe_fcntl __P((int, int, ...));
1911 extern struct passwd *	sendmail_mpe_getpwnam __P((const char *));
1912 extern struct passwd *	sendmail_mpe_getpwuid __P((uid_t));
1913 # endif /* MPE */
1914 
1915 /*
1916 **  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1917 **
1918 **	Contributed by Paul Gampe <paulg@apnic.net>
1919 */
1920 
1921 # ifdef __svr5__
1922 #  include <sys/mkdev.h>
1923 #  define __svr4__
1924 #  define SYS5SIGNALS		1
1925 #  define HASFCHOWN		1	/* has fchown(2) call */
1926 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1927 #  define HASSETREUID		1
1928 #  define HASWAITPID		1
1929 #  define HASGETDTABLESIZE	1
1930 #  define GIDSET_T		gid_t
1931 #  define SOCKADDR_LEN_T	size_t
1932 #  define SOCKOPT_LEN_T		size_t
1933 #  define SIGWAIT_TAKES_1_ARG	1
1934 #  ifndef _PATH_UNIX
1935 #   define _PATH_UNIX		"/stand/unix"
1936 #  endif
1937 #  define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1938 #  ifndef SYSLOG_BUFSIZE
1939 #   define SYSLOG_BUFSIZE	1024	/* unsure */
1940 #  endif
1941 #  ifndef _PATH_VENDOR_CF
1942 #   define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1943 #  endif
1944 #  ifndef _PATH_SENDMAILPID
1945 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1946 #  endif
1947 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1948 #if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT)
1949 # define SM_SET_H_ERRNO(err)	set_h_errno((err))
1950 #endif
1951 # endif /* __svr5__ */
1952 
1953 /* ###################################################################### */
1954 
1955 /*
1956 **  UnixWare 2.x
1957 */
1958 
1959 # ifdef UNIXWARE2
1960 #  define UNIXWARE	1
1961 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1962 # endif /* UNIXWARE2 */
1963 
1964 
1965 /*
1966 **  UnixWare 1.1.2.
1967 **
1968 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1969 **	From Evan Champion <evanc@spatial.synapse.org>.
1970 */
1971 
1972 # ifdef UNIXWARE
1973 #  include <sys/mkdev.h>
1974 #  define SYSTEM5		1
1975 #  define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1976 #  define HASSETREUID		1
1977 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1978 #  define HASINITGROUPS		1
1979 #  define GIDSET_T		gid_t
1980 #  define SLEEP_T		unsigned
1981 #  define SFS_TYPE		SFS_STATVFS
1982 #  define LA_TYPE		LA_ZERO
1983 #  undef WIFEXITED
1984 #  undef WEXITSTATUS
1985 #  ifndef _PATH_UNIX
1986 #   define _PATH_UNIX		"/unix"
1987 #  endif
1988 #  ifndef _PATH_VENDOR_CF
1989 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1990 #  endif
1991 #  ifndef _PATH_SENDMAILPID
1992 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1993 #  endif
1994 #  define SYSLOG_BUFSIZE	128
1995 # endif /* UNIXWARE */
1996 
1997 
1998 /*
1999 **  Intergraph CLIX 3.1
2000 **
2001 **	From Paul Southworth <pauls@locust.cic.net>
2002 */
2003 
2004 # ifdef CLIX
2005 #  define SYSTEM5	1	/* looks like System V */
2006 #  ifndef HASGETUSERSHELL
2007 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2008 #  endif
2009 #  define DEV_BSIZE	512	/* device block size not defined */
2010 #  define GIDSET_T	gid_t
2011 #  undef LOG			/* syslog not available */
2012 #  define NEEDFSYNC	1	/* no fsync in system library */
2013 #  define GETSHORT	_getshort
2014 # endif /* CLIX */
2015 
2016 
2017 /*
2018 **  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
2019 **
2020 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
2021 */
2022 
2023 # ifdef NCR_MP_RAS2
2024 #  include <sys/sockio.h>
2025 #  define __svr4__
2026 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
2027 #  define SYSLOG_BUFSIZE	1024
2028 #  define SPT_TYPE  SPT_NONE
2029 # endif /* NCR_MP_RAS2 */
2030 
2031 
2032 /*
2033 **  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
2034 **
2035 **	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
2036 */
2037 
2038 # ifdef NCR_MP_RAS3
2039 #  define __svr4__
2040 #  define HASFCHOWN		1	/* has fchown(2) call */
2041 #  define LDA_USE_LOCKF		1
2042 #  define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
2043 #  define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
2044 #  define SYSLOG_BUFSIZE	1024
2045 #  define SPT_TYPE	SPT_NONE
2046 #  define _PATH_MAILDIR	"/var/mail"
2047 #  ifndef _XOPEN_SOURCE
2048 #   define _XOPEN_SOURCE
2049 #   define _XOPEN_SOURCE_EXTENDED 1
2050 #   include <sys/resource.h>
2051 #   undef _XOPEN_SOURCE
2052 #   undef _XOPEN_SOURCE_EXTENDED
2053 #  endif /* ! _XOPEN_SOURCE */
2054 # endif /* NCR_MP_RAS3 */
2055 
2056 
2057 /*
2058 **  Tandem NonStop-UX SVR4
2059 **
2060 **	From Rick McCarty <mccarty@mpd.tandem.com>.
2061 */
2062 
2063 # ifdef NonStop_UX_BXX
2064 #  define __svr4__
2065 # endif /* NonStop_UX_BXX */
2066 
2067 
2068 /*
2069 **  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
2070 **
2071 **	Tested for 1.04, 1.03
2072 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
2073 **
2074 **	Tested for 4.02, 6.10 and 7.10
2075 **	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
2076 */
2077 
2078 # if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
2079 #  define SYSTEM5	1	/* include all the System V defines */
2080 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2081 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
2082 #  define setreuid(r, e)	setresuid(r, e, -1)
2083 #  define LA_TYPE	LA_FLOAT
2084 #  define SPT_TYPE	SPT_PSTAT
2085 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
2086 #  ifndef HASSETVBUF
2087 #   define HASSETVBUF	/* HI-UX has no setlinebuf */
2088 #  endif
2089 #  ifndef GIDSET_T
2090 #   define GIDSET_T	gid_t
2091 #  endif
2092 #  ifndef _PATH_UNIX
2093 #   define _PATH_UNIX		"/HI-UX"
2094 #  endif
2095 #  ifndef _PATH_VENDOR_CF
2096 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2097 #  endif
2098 #  ifndef IDENTPROTO
2099 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2100 #  endif
2101 #  ifndef HASGETUSERSHELL
2102 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
2103 #  endif
2104 #  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
2105 
2106 /*
2107 **  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
2108 **  on HIUX 3050
2109 */
2110 #  undef m_flags
2111 
2112 #  define SM_CONF_SYSLOG	0
2113 
2114 # endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
2115 
2116 
2117 /*
2118 **  Amdahl UTS System V 2.1.5 (SVr3-based)
2119 **
2120 **    From: Janet Jackson <janet@dialix.oz.au>.
2121 */
2122 
2123 # ifdef _UTS
2124 #  include <sys/sysmacros.h>
2125 #  undef HASLSTAT		/* has symlinks, but they cause problems */
2126 #  define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
2127 #  define SYS5SIGNALS	1	/* System V signal semantics */
2128 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2129 #  define HASUNAME	1	/* use System V uname(2) system call */
2130 #  define HASINITGROUPS	1	/* has initgroups(3) function */
2131 #  define HASSETVBUF	1	/* has setvbuf(3) function */
2132 #  ifndef HASGETUSERSHELL
2133 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
2134 #  endif
2135 #  define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
2136 #  define LA_TYPE	LA_ZERO		/* doesn't have load average */
2137 #  define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
2138 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2139 #  define _PATH_UNIX		"/unix"
2140 #  ifndef _PATH_VENDOR_CF
2141 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2142 #  endif
2143 # endif /* _UTS */
2144 
2145 /*
2146 **  Cray Computer Corporation's CSOS
2147 **
2148 **	From Scott Bolte <scott@craycos.com>.
2149 */
2150 
2151 # ifdef _CRAYCOM
2152 #  define SYSTEM5	1	/* include all the System V defines */
2153 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2154 #  define NEEDFSYNC	1	/* no fsync in system library */
2155 #  define MAXPATHLEN	PATHSIZE
2156 #  define LA_TYPE	LA_ZERO
2157 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
2158 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2159 #  define _POSIX_CHOWN_RESTRICTED	-1
2160 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
2161 # endif /* _CRAYCOM */
2162 
2163 
2164 /*
2165 **  Sony NEWS-OS 4.2.1R and 6.0.3
2166 **
2167 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2168 */
2169 
2170 # ifdef sony_news
2171 #  ifndef __svr4
2172 			/* NEWS-OS 4.2.1R */
2173 #   ifndef BSD
2174 #    define BSD			/* has BSD routines */
2175 #   endif
2176 #   define HASUNSETENV	1	/* has unsetenv(2) call */
2177 #   undef HASSETVBUF		/* don't actually have setvbuf(3) */
2178 #   define WAITUNION	1	/* use "union wait" as wait argument type */
2179 #   define LA_TYPE	LA_INT
2180 #   define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2181 #   ifndef HASFLOCK
2182 #    define HASFLOCK	1	/* has flock(2) call */
2183 #   endif
2184 #   define setpgid	setpgrp
2185 #   undef WIFEXITED
2186 #   undef WEXITSTATUS
2187 #   define MODE_T	int	/* system include files have no mode_t */
2188 typedef int		pid_t;
2189 typedef int		(*sigfunc_t)();
2190 #   define SIGFUNC_DEFINED
2191 #   define SIGFUNC_RETURN	(0)
2192 #   define SIGFUNC_DECL		int
2193 
2194 #  else /* ! __svr4 */
2195 			/* NEWS-OS 6.0.3 with /bin/cc */
2196 #   ifndef __svr4__
2197 #    define __svr4__		/* use all System V Release 4 defines below */
2198 #   endif
2199 #   define HASSETSID	1	/* has POSIX setsid(2) call */
2200 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
2201 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2202 #   ifndef SPT_TYPE
2203 #    define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
2204 #   endif
2205 #   define GIDSET_T	gid_t
2206 #   undef WIFEXITED
2207 #   undef WEXITSTATUS
2208 #   ifndef SYSLOG_BUFSIZE
2209 #    define SYSLOG_BUFSIZE	256
2210 #   endif
2211 #   define _PATH_UNIX		"/stand/unix"
2212 #   ifndef _PATH_VENDOR_CF
2213 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2214 #   endif
2215 #   ifndef _PATH_SENDMAILPID
2216 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2217 #   endif
2218 
2219 #  endif /* ! __svr4 */
2220 # endif /* sony_news */
2221 
2222 
2223 /*
2224 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
2225 **
2226 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2227 */
2228 
2229 # ifdef luna
2230 #  ifndef IDENTPROTO
2231 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2232 #  endif
2233 #  define HASUNSETENV	1	/* has unsetenv(2) call */
2234 #  define NEEDPUTENV	1	/* need putenv(3) call */
2235 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
2236 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2237 #  define WAITUNION	1	/* use "union wait" as wait argument type */
2238 #  ifdef uniosb
2239 #   include <sys/time.h>
2240 #   define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2241 #   define LA_TYPE	LA_INT
2242 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2243 #  endif /* uniosb */
2244 #  ifdef luna2
2245 #   define LA_TYPE	LA_SUBR
2246 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2247 #  endif /* luna2 */
2248 #  ifdef luna88k
2249 #   define LA_TYPE	LA_INT
2250 #  endif
2251 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2252 #  define setpgid	setpgrp
2253 #  undef WIFEXITED
2254 #  undef WEXITSTATUS
2255 typedef int		pid_t;
2256 typedef int		(*sigfunc_t)();
2257 #  define SIGFUNC_DEFINED
2258 #  define SIGFUNC_RETURN	(0)
2259 #  define SIGFUNC_DECL	int
2260 extern char	*getenv();
2261 #  ifndef _PATH_VENDOR_CF
2262 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2263 #  endif /* ! _PATH_VENDOR_CF */
2264 # endif /* luna */
2265 
2266 
2267 /*
2268 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2269 **
2270 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2271 */
2272 
2273 # if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2274 #  ifndef __svr4__
2275 #   define __svr4__		/* use all System V Release 4 defines below */
2276 #  endif
2277 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2278 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2279 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2280 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2281 #  define GIDSET_T	gid_t
2282 #  undef WIFEXITED
2283 #  undef WEXITSTATUS
2284 #  define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2285 #  ifndef _PATH_VENDOR_CF
2286 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2287 #  endif
2288 #  ifndef _PATH_SENDMAILPID
2289 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2290 #  endif
2291 #  ifndef SYSLOG_BUFSIZE
2292 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2293 #  endif
2294 # endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2295 
2296 
2297 /*
2298 **  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2299 **
2300 **	From Diego R. Lopez <drlopez@cica.es>.
2301 **	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2302 **		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2303 */
2304 
2305 # ifdef __uxp__
2306 #  include <arpa/nameser.h>
2307 #  include <sys/sysmacros.h>
2308 #  include <sys/mkdev.h>
2309 #  define __svr4__
2310 #  define HASGETUSERSHELL	0
2311 #  define HASFLOCK		0
2312 #  define _PATH_UNIX		"/stand/unix"
2313 #  ifndef _PATH_VENDOR_CF
2314 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2315 #  endif
2316 #  ifndef _PATH_SENDMAILPID
2317 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2318 #  endif
2319 # endif /* __uxp__ */
2320 
2321 /*
2322 **  Pyramid DC/OSx
2323 **
2324 **	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2325 */
2326 
2327 # ifdef DCOSx
2328 #  define GIDSET_T	gid_t
2329 #  ifndef IDENTPROTO
2330 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2331 #  endif
2332 # endif /* DCOSx */
2333 
2334 /*
2335 **  Concurrent Computer Corporation Maxion
2336 **
2337 **	From Donald R. Laster Jr. <laster@access.digex.net>.
2338 */
2339 
2340 # ifdef __MAXION__
2341 
2342 #  include <sys/stream.h>
2343 #  define __svr4__		1	/* SVR4.2MP */
2344 #  define HASSETREUID		1	/* have setreuid(2) */
2345 #  define HASLSTAT		1	/* have lstat(2) */
2346 #  define HASSETRLIMIT		1	/* have setrlimit(2) */
2347 #  define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2348 #  define HASGETUSERSHELL	1	/* have getusershell(3) */
2349 #  define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2350 #  define SLEEP_T		unsigned
2351 #  define SFS_TYPE		SFS_STATVFS
2352 #  define SFS_BAVAIL		f_bavail
2353 #  ifndef SYSLOG_BUFSIZE
2354 #   define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2355 #  endif
2356 
2357 #  undef WUNTRACED
2358 #  undef WIFEXITED
2359 #  undef WIFSIGNALED
2360 #  undef WIFSTOPPED
2361 #  undef WEXITSTATUS
2362 #  undef WTERMSIG
2363 #  undef WSTOPSIG
2364 
2365 # endif /* __MAXION__ */
2366 
2367 /*
2368 **  Harris Nighthawk PowerUX (nh6000 box)
2369 **
2370 **  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2371 */
2372 
2373 # ifdef _PowerUX
2374 #  ifndef __svr4__
2375 #   define __svr4__
2376 #  endif
2377 #  ifndef _PATH_VENDOR_CF
2378 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2379 #  endif
2380 #  ifndef _PATH_SENDMAILPID
2381 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2382 #  endif
2383 #  define SYSLOG_BUFSIZE		1024
2384 #  define LA_TYPE		LA_ZERO
2385 typedef struct msgb		mblk_t;
2386 #  undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2387 # endif /* _PowerUX */
2388 
2389 /*
2390 **  Siemens Nixdorf Informationssysteme AG SINIX
2391 **
2392 **	Contributed by Gerald Rinske of Siemens Business Services VAS.
2393 */
2394 # ifdef sinix
2395 #  define HASRANDOM		0	/* has random(3) */
2396 #  define SYSLOG_BUFSIZE	1024
2397 #  define SM_INT32		int	/* 32bit integer */
2398 # endif /* sinix */
2399 
2400 
2401 /*
2402 **  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2403 **
2404 **	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2405 */
2406 
2407 # ifdef MOTO
2408 #  define HASFCHMOD		1
2409 #  define HASSETRLIMIT		0
2410 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2411 #  define HASSETREUID		1
2412 #  define HASULIMIT		1
2413 #  define HASWAITPID		1
2414 #  define HASGETDTABLESIZE	1
2415 #  define HASGETUSERSHELL	1
2416 #  define IP_SRCROUTE		0
2417 #  define IDENTPROTO		0
2418 #  define RES_DNSRCH_VARIABLE	_res_dnsrch
2419 #  define _PATH_UNIX		"/unix"
2420 #  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2421 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2422 # endif /* MOTO */
2423 
2424 /*
2425 **  Interix
2426 **	Contributed by Nedelcho Stanev <nedelcho.stanev@atlanticsky.com>
2427 **
2428 **	Used for Interix support.
2429 */
2430 
2431 # if defined(__INTERIX)
2432 #  define HASURANDOMDEV		1
2433 #  define HASGETUSERSHELL	0
2434 #  define HASSTRERROR		1
2435 #  define HASUNSETENV		1
2436 #  define HASFCHOWN		1
2437 #  undef HAVE_SYS_ERRLIST
2438 #  define sys_errlist		__sys_errlist
2439 #  define sys_nerr		__sys_nerr
2440 #  include <sys/mkdev.h>
2441 #  ifndef major
2442 #   define major(dev)		((int)(((dev) >> 8) & 0xff))
2443 #  endif
2444 #  ifndef minor
2445 #   define minor(dev)		((int)((dev) & 0xff))
2446 #  endif
2447 # endif /* defined(__INTERIX) */
2448 
2449 
2450 /**********************************************************************
2451 **  End of Per-Operating System defines
2452 **********************************************************************/
2453 /**********************************************************************
2454 **  More general defines
2455 **********************************************************************/
2456 
2457 /* general BSD defines */
2458 # ifdef BSD
2459 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2460 #  ifndef HASSETREUID
2461 #   define HASSETREUID	1	/* has setreuid(2) call */
2462 #  endif
2463 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2464 #  ifndef IP_SRCROUTE
2465 #   define IP_SRCROUTE	1	/* can check IP source routing */
2466 #  endif
2467 #  ifndef HASSETRLIMIT
2468 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2469 #  endif
2470 #  ifndef HASFLOCK
2471 #   define HASFLOCK	1	/* has flock(2) call */
2472 #  endif
2473 #  ifndef TZ_TYPE
2474 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2475 #  endif
2476 # endif /* BSD */
2477 
2478 /* general System V Release 4 defines */
2479 # ifdef __svr4__
2480 #  define SYSTEM5	1
2481 #  define USESETEUID	1	/* has usable seteuid(2) call */
2482 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2483 #  define BSD_COMP	1	/* get BSD ioctl calls */
2484 #  ifndef HASSETRLIMIT
2485 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2486 #  endif
2487 #  ifndef HASGETUSERSHELL
2488 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2489 #  endif
2490 #  ifndef HASFCHMOD
2491 #   define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2492 #  endif
2493 
2494 #  ifndef _PATH_UNIX
2495 #   define _PATH_UNIX		"/unix"
2496 #  endif
2497 #  ifndef _PATH_VENDOR_CF
2498 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2499 #  endif
2500 #  ifndef _PATH_SENDMAILPID
2501 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2502 #  endif
2503 #  ifndef SYSLOG_BUFSIZE
2504 #   define SYSLOG_BUFSIZE	128
2505 #  endif
2506 #  ifndef SFS_TYPE
2507 #   define SFS_TYPE		SFS_STATVFS
2508 #  endif
2509 
2510 #  ifndef USE_SIGLONGJMP
2511 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
2512 #  endif
2513 # endif /* __svr4__ */
2514 
2515 # ifdef __SVR4
2516 #  define LDA_USE_LOCKF		1
2517 #  define LDA_USE_SETEUID	1
2518 #  define _PATH_MAILDIR		"/var/mail"
2519 # endif /* __SVR4 */
2520 
2521 /* general System V defines */
2522 # ifdef SYSTEM5
2523 #  include <sys/sysmacros.h>
2524 #  define HASUNAME	1	/* use System V uname(2) system call */
2525 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2526 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2527 #  ifndef HASULIMIT
2528 #   define HASULIMIT	1	/* has the ulimit(2) syscall */
2529 #  endif
2530 #  ifndef LA_TYPE
2531 #   ifdef MIOC_READKSYM
2532 #    define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2533 #   else
2534 #    define LA_TYPE	LA_INT		/* assume integer load average */
2535 #   endif
2536 #  endif /* ! LA_TYPE */
2537 #  ifndef SFS_TYPE
2538 #   define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2539 #  endif
2540 #  ifndef TZ_TYPE
2541 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2542 #  endif
2543 # endif /* SYSTEM5 */
2544 
2545 /* general POSIX defines */
2546 # ifdef _POSIX_VERSION
2547 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2548 #  define HASWAITPID	1	/* has POSIX waitpid(2) call */
2549 #  if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2550 #   define USESETEUID	1	/* has usable seteuid(2) call */
2551 #  endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2552 # endif /* _POSIX_VERSION */
2553 /*
2554 **  Tweaking for systems that (for example) claim to be BSD or POSIX
2555 **  but don't have all the standard BSD or POSIX routines (boo hiss).
2556 */
2557 
2558 # ifdef titan
2559 #  undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2560 # endif
2561 
2562 # ifdef _CRAYCOM
2563 #  undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2564 # endif
2565 
2566 # ifdef MOTO
2567 #  undef USESETEUID
2568 # endif
2569 
2570 /*
2571 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2572 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2573 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2574 **  are closed.  Some firewalls return this error if you try to connect
2575 **  to the IDENT port (113), so you can't receive email from these hosts
2576 **  on these systems.  The firewall really should use a more specific
2577 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2578 **  not explicitly set to zero above, default it on.
2579 */
2580 
2581 # ifndef IDENTPROTO
2582 #  define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2583 # endif
2584 
2585 # ifndef IP_SRCROUTE
2586 #  define IP_SRCROUTE	1	/* Detect IP source routing */
2587 # endif
2588 
2589 # ifndef HASGETUSERSHELL
2590 #  define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2591 # endif
2592 
2593 # ifndef NETUNIX
2594 #  define NETUNIX	1	/* include unix domain support */
2595 # endif
2596 
2597 # ifndef HASRANDOM
2598 #  define HASRANDOM	1	/* has random(3) support */
2599 # endif
2600 
2601 # ifndef HASFLOCK
2602 #  define HASFLOCK	0	/* assume no flock(2) support */
2603 # endif
2604 
2605 # ifndef HASSETREUID
2606 #  define HASSETREUID	0	/* assume no setreuid(2) call */
2607 # endif
2608 
2609 # ifndef HASFCHMOD
2610 #  define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2611 # endif
2612 
2613 # ifndef USESETEUID
2614 #  define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2615 # endif
2616 
2617 # ifndef HASSETRLIMIT
2618 #  define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2619 # endif
2620 
2621 # ifndef HASULIMIT
2622 #  define HASULIMIT	0	/* assume no ulimit(2) support */
2623 # endif
2624 
2625 # ifndef SECUREWARE
2626 #  define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2627 # endif
2628 
2629 # ifndef USE_DOUBLE_FORK
2630 #  define USE_DOUBLE_FORK	1	/* avoid intermediate zombies */
2631 # endif
2632 
2633 # ifndef USE_ENVIRON
2634 #  define USE_ENVIRON	0	/* use main() envp instead of extern environ */
2635 # endif
2636 
2637 # ifndef USE_SIGLONGJMP
2638 #  define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2639 # endif
2640 
2641 # ifndef FDSET_CAST
2642 #  define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2643 # endif
2644 
2645 /*
2646 **  Pick a mailer setuid method for changing the current uid
2647 */
2648 
2649 # define USE_SETEUID	0
2650 # define USE_SETREUID	1
2651 # define USE_SETUID	2
2652 
2653 # if USESETEUID
2654 #  define MAILER_SETUID_METHOD	USE_SETEUID
2655 # else /* USESETEUID */
2656 #  if HASSETREUID
2657 #   define MAILER_SETUID_METHOD	USE_SETREUID
2658 #  else
2659 #   define MAILER_SETUID_METHOD	USE_SETUID
2660 #  endif
2661 # endif /* USESETEUID */
2662 
2663 /*
2664 **  If no type for argument two of getgroups call is defined, assume
2665 **  it's an integer -- unfortunately, there seem to be several choices
2666 **  here.
2667 */
2668 
2669 # ifndef GIDSET_T
2670 #  define GIDSET_T	int
2671 # endif
2672 
2673 # ifndef UID_T
2674 #  define UID_T		uid_t
2675 # endif
2676 
2677 # ifndef GID_T
2678 #  define GID_T		gid_t
2679 # endif
2680 
2681 # ifndef MODE_T
2682 #  define MODE_T		mode_t
2683 # endif
2684 
2685 # ifndef ARGV_T
2686 #  define ARGV_T		char **
2687 # endif
2688 
2689 # ifndef SOCKADDR_LEN_T
2690 #  define SOCKADDR_LEN_T	int
2691 # endif
2692 
2693 # ifndef SOCKOPT_LEN_T
2694 #  define SOCKOPT_LEN_T	int
2695 # endif
2696 
2697 # ifndef QUAD_T
2698 #  define QUAD_T	unsigned long
2699 # endif
2700 /**********************************************************************
2701 **  Remaining definitions should never have to be changed.  They are
2702 **  primarily to provide back compatibility for older systems -- for
2703 **  example, it includes some POSIX compatibility definitions
2704 **********************************************************************/
2705 
2706 /* System 5 compatibility */
2707 # ifndef S_ISREG
2708 #  define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2709 # endif
2710 # ifndef S_ISDIR
2711 #  define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2712 # endif
2713 # if !defined(S_ISLNK) && defined(S_IFLNK)
2714 #  define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2715 # endif
2716 # if !defined(S_ISFIFO)
2717 #  if defined(S_IFIFO)
2718 #   define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2719 #  else
2720 #   define S_ISFIFO(foo)	false
2721 #  endif
2722 # endif /* !defined(S_ISFIFO) */
2723 # ifndef S_IRUSR
2724 #  define S_IRUSR		0400
2725 # endif
2726 # ifndef S_IWUSR
2727 #  define S_IWUSR		0200
2728 # endif
2729 # ifndef S_IRGRP
2730 #  define S_IRGRP		0040
2731 # endif
2732 # ifndef S_IWGRP
2733 #  define S_IWGRP		0020
2734 # endif
2735 # ifndef S_IROTH
2736 #  define S_IROTH		0004
2737 # endif
2738 # ifndef S_IWOTH
2739 #  define S_IWOTH		0002
2740 # endif
2741 
2742 /* close-on-exec flag */
2743 # ifndef FD_CLOEXEC
2744 #  define FD_CLOEXEC	1
2745 # endif
2746 
2747 /*
2748 **  Older systems don't have this error code -- it should be in
2749 **  /usr/include/sysexits.h.
2750 */
2751 
2752 # ifndef EX_CONFIG
2753 #  define EX_CONFIG	78	/* configuration error */
2754 # endif
2755 
2756 /* pseudo-codes */
2757 # define EX_QUIT	22	/* drop out of server immediately */
2758 # define EX_RESTART	23	/* restart sendmail daemon */
2759 # define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2760 
2761 #ifndef EX_NOTFOUND
2762 # define EX_NOTFOUND	EX_NOHOST
2763 #endif
2764 
2765 /* pseudo-code used for mci_setstat */
2766 # define EX_NOTSTICKY	(-5)	/* don't save persistent status */
2767 
2768 
2769 /*
2770 **  An "impossible" file mode to indicate that the file does not exist.
2771 */
2772 
2773 # define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2774 
2775 
2776 /* type of arbitrary pointer */
2777 # ifndef ARBPTR_T
2778 #  define ARBPTR_T	void *
2779 # endif
2780 
2781 # ifndef __P
2782 #  include "sm/cdefs.h"
2783 # endif
2784 
2785 # if HESIOD && !defined(NAMED_BIND)
2786 #  define NAMED_BIND	1	/* not one without the other */
2787 # endif
2788 
2789 #  if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2790 extern int	h_errno;
2791 #  endif
2792 
2793 # if NEEDPUTENV
2794 extern int	putenv __P((char *));
2795 # endif
2796 
2797 #if !HASUNSETENV
2798 extern void	unsetenv __P((char *));
2799 #endif
2800 
2801 # ifdef LDAPMAP
2802 #  include <sys/time.h>
2803 #  include <lber.h>
2804 #  include <ldap.h>
2805 
2806 /* Some LDAP constants */
2807 #  define LDAPMAP_FALSE		0
2808 #  define LDAPMAP_TRUE		1
2809 
2810 /*
2811 **  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2812 **  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2813 **  and assume (falsely) that all old API implementations are broken.
2814 **  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2815 */
2816 
2817 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2818 #   define USE_LDAP_INIT	1
2819 #  endif
2820 
2821 #  if !defined(LDAP_NETWORK_TIMEOUT) && defined(_FFR_LDAP_NETWORK_TIMEOUT)
2822 #   define LDAP_NETWORK_TIMEOUT	_FFR_LDAP_NETWORK_TIMEOUT
2823 #  endif
2824 
2825 #  if !defined(LDAP_NETWORK_TIMEOUT) && defined(LDAP_OPT_NETWORK_TIMEOUT)
2826 #   define LDAP_NETWORK_TIMEOUT	1
2827 #  endif
2828 
2829 /*
2830 **  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2831 **  hence ldap_set_option() must not exist.
2832 */
2833 
2834 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2835 #   define USE_LDAP_SET_OPTION	1
2836 #  endif
2837 
2838 # endif /* LDAPMAP */
2839 
2840 # if HASUNAME
2841 #  include <sys/utsname.h>
2842 #  ifdef newstr
2843 #   undef newstr
2844 #  endif
2845 # else /* HASUNAME */
2846 #  define NODE_LENGTH 32
2847 struct utsname
2848 {
2849 	char nodename[NODE_LENGTH + 1];
2850 };
2851 # endif /* HASUNAME */
2852 
2853 # if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2854 #  define MAXHOSTNAMELEN	256
2855 # endif
2856 
2857 
2858 # if defined(__linux__) && MAXHOSTNAMELEN < 255
2859    /*
2860    **  override Linux weirdness: a FQHN can be 255 chars long
2861    **  SUSv3 requires HOST_NAME_MAX ("Maximum length of a host
2862    **  name (not including the terminating null) as returned from the
2863    **  gethostname() function.") to be at least 255.  c.f.:
2864    **  http://www.opengroup.org/onlinepubs/009695399
2865    **  but Linux defines that to 64 too.
2866    */
2867 #  undef MAXHOSTNAMELEN
2868 #  define MAXHOSTNAMELEN	256
2869 # endif /* defined(__linux__) && MAXHOSTNAMELEN < 255 */
2870 
2871 # if !defined(SIGCHLD) && defined(SIGCLD)
2872 #  define SIGCHLD	SIGCLD
2873 # endif
2874 
2875 # ifndef STDIN_FILENO
2876 #  define STDIN_FILENO	0
2877 # endif
2878 
2879 # ifndef STDOUT_FILENO
2880 #  define STDOUT_FILENO	1
2881 # endif
2882 
2883 # ifndef STDERR_FILENO
2884 #  define STDERR_FILENO	2
2885 # endif
2886 
2887 # ifndef LOCK_SH
2888 #  define LOCK_SH	0x01	/* shared lock */
2889 #  define LOCK_EX	0x02	/* exclusive lock */
2890 #  define LOCK_NB	0x04	/* non-blocking lock */
2891 #  define LOCK_UN	0x08	/* unlock */
2892 # endif /* ! LOCK_SH */
2893 
2894 # ifndef S_IXOTH
2895 #  define S_IXOTH	(S_IEXEC >> 6)
2896 # endif
2897 
2898 # ifndef S_IXGRP
2899 #  define S_IXGRP	(S_IEXEC >> 3)
2900 # endif
2901 
2902 # ifndef S_IXUSR
2903 #  define S_IXUSR	(S_IEXEC)
2904 # endif
2905 
2906 #ifndef O_ACCMODE
2907 # define O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
2908 #endif
2909 
2910 # ifndef SEEK_SET
2911 #  define SEEK_SET	0
2912 #  define SEEK_CUR	1
2913 #  define SEEK_END	2
2914 # endif /* ! SEEK_SET */
2915 
2916 # ifndef SIG_ERR
2917 #  define SIG_ERR	((void (*)()) -1)
2918 # endif
2919 
2920 # ifndef WEXITSTATUS
2921 #  define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2922 # endif
2923 # ifndef WIFEXITED
2924 #  define WIFEXITED(st)		(((st) & 0377) == 0)
2925 # endif
2926 # ifndef WIFSTOPPED
2927 #  define WIFSTOPPED(st)		(((st) & 0100) == 0)
2928 # endif
2929 # ifndef WCOREDUMP
2930 #  define WCOREDUMP(st)		(((st) & 0200) != 0)
2931 # endif
2932 # ifndef WTERMSIG
2933 #  define WTERMSIG(st)		(((st) & 0177))
2934 # endif
2935 
2936 # ifndef SIGFUNC_DEFINED
2937 typedef void		(*sigfunc_t) __P((int));
2938 # endif
2939 # ifndef SIGFUNC_RETURN
2940 #  define SIGFUNC_RETURN
2941 # endif
2942 # ifndef SIGFUNC_DECL
2943 #  define SIGFUNC_DECL	void
2944 # endif
2945 
2946 /* size of syslog buffer */
2947 # ifndef SYSLOG_BUFSIZE
2948 #  define SYSLOG_BUFSIZE	1024
2949 # endif
2950 
2951 /* for FD_SET() */
2952 #ifndef FD_SETSIZE
2953 # define FD_SETSIZE	256
2954 #endif
2955 
2956 #ifndef SIGWAIT_TAKES_1_ARG
2957 # define SIGWAIT_TAKES_1_ARG	0
2958 #endif
2959 
2960 /*
2961 **  Size of prescan buffer.
2962 **	Despite comments in the _sendmail_ book, this probably should
2963 **	not be changed; there are some hard-to-define dependencies.
2964 */
2965 
2966 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2967 
2968 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
2969 # ifndef FORK
2970 #  define FORK		fork		/* function to call to fork mailer */
2971 # endif
2972 
2973 /* setting h_errno */
2974 # ifndef SM_SET_H_ERRNO
2975 #  define SM_SET_H_ERRNO(err)	h_errno = (err)
2976 # endif
2977 
2978 # ifndef SM_CONF_GETOPT
2979 #  define SM_CONF_GETOPT	1
2980 # endif
2981 
2982 /* random routine -- set above using #ifdef _osname_ or in Makefile */
2983 # if HASRANDOM
2984 #  define get_random()	random()
2985 # else /* HASRANDOM */
2986 #  define get_random()	((long) rand())
2987 #  ifndef RANDOMSHIFT
2988 #   define RANDOMSHIFT	8
2989 #  endif
2990 # endif /* HASRANDOM */
2991 
2992 /*
2993 **  Default to using scanf in readcf.
2994 */
2995 
2996 # ifndef SCANF
2997 #  define SCANF		1
2998 # endif
2999 
3000 /* XXX  32 bit type */
3001 # ifndef SM_INT32
3002 #  define SM_INT32	int32_t
3003 # endif
3004 
3005 /* XXX  16 bit type */
3006 # ifndef SM_UINT16
3007 #  define SM_UINT16	uint16_t
3008 # endif
3009 
3010 /* additional valid chars in user/group names in passwd */
3011 # ifndef SM_PWN_CHARS
3012 #  define SM_PWN_CHARS "-_."
3013 # endif
3014 
3015 
3016 /*
3017 **  SVr4 and similar systems use different routines for setjmp/longjmp
3018 **  with signal support
3019 */
3020 
3021 # if USE_SIGLONGJMP
3022 #  ifdef jmp_buf
3023 #   undef jmp_buf
3024 #  endif
3025 #  define jmp_buf		sigjmp_buf
3026 #  ifdef setjmp
3027 #   undef setjmp
3028 #  endif
3029 #  define setjmp(env)		sigsetjmp(env, 1)
3030 #  ifdef longjmp
3031 #   undef longjmp
3032 #  endif
3033 #  define longjmp(env, val)	siglongjmp(env, val)
3034 # endif /* USE_SIGLONGJMP */
3035 
3036 # if !defined(NGROUPS_MAX) && defined(NGROUPS)
3037 #  define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
3038 # endif
3039 
3040 /*
3041 **  Some snprintf() implementations are rumored not to NUL terminate.
3042 */
3043 # if SNPRINTF_IS_BROKEN
3044 #  ifdef snprintf
3045 #   undef snprintf
3046 #  endif
3047 #  define snprintf	sm_snprintf
3048 #  ifdef vsnprintf
3049 #   undef vsnprintf
3050 #  endif
3051 #  define vsnprintf	sm_vsnprintf
3052 # endif /* SNPRINTF_IS_BROKEN */
3053 
3054 /*
3055 **  If we don't have a system syslog, simulate it.
3056 */
3057 
3058 # if !LOG
3059 #  define LOG_EMERG	0	/* system is unusable */
3060 #  define LOG_ALERT	1	/* action must be taken immediately */
3061 #  define LOG_CRIT	2	/* critical conditions */
3062 #  define LOG_ERR	3	/* error conditions */
3063 #  define LOG_WARNING	4	/* warning conditions */
3064 #  define LOG_NOTICE	5	/* normal but significant condition */
3065 #  define LOG_INFO	6	/* informational */
3066 #  define LOG_DEBUG	7	/* debug-level messages */
3067 # endif /* !LOG */
3068 
3069 # ifndef SM_CONF_SYSLOG
3070 #  define SM_CONF_SYSLOG 1	/* syslog.h has prototype for syslog() */
3071 # endif
3072 
3073 # if !SM_CONF_SYSLOG
3074 #   ifdef __STDC__
3075 extern void	syslog(int, const char *, ...);
3076 #   else
3077 extern void	syslog();
3078 #   endif
3079 # endif /* !SM_CONF_SYSLOG */
3080 
3081 /* portable(?) definition for alignment */
3082 # ifndef SM_ALIGN_SIZE
3083 struct sm_align
3084 {
3085 	char al_c;
3086 	union
3087 	{
3088 		long	al_l;
3089 		void	*al_p;
3090 		double	al_d;
3091 		void	(*al_f) __P((void));
3092 	} al_u;
3093 };
3094 #  define SM_ALIGN_SIZE offsetof(struct sm_align, al_u)
3095 # endif /* ! SM_ALIGN_SIZE */
3096 # define SM_ALIGN_BITS (SM_ALIGN_SIZE - 1)
3097 
3098 char *sm_inet6_ntop __P((const void *, char *, size_t));
3099 
3100 #endif /* ! SM_CONF_H */
3101