xref: /freebsd/contrib/sendmail/include/sm/conf.h (revision 605302a5)
1 /*
2  * Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers.
3  *	All rights reserved.
4  * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
5  * Copyright (c) 1988, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * By using this file, you agree to the terms and conditions set
9  * forth in the LICENSE file which can be found at the top level of
10  * the sendmail distribution.
11  *
12  *
13  *	$Id: conf.h,v 1.87 2002/04/02 08:11:52 gshapiro Exp $
14  */
15 
16 /*
17 **  CONF.H -- All user-configurable parameters for sendmail
18 **
19 **	Send updates to sendmail@Sendmail.ORG so they will be
20 **	included in the next release.
21 */
22 
23 #ifndef SM_CONF_H
24 # define SM_CONF_H 1
25 
26 
27 # include <sm/config.h>
28 # include <sm/varargs.h>
29 
30 /*
31 **  General "standard C" defines.
32 **
33 **	These may be undone later, to cope with systems that claim to
34 **	be Standard C but aren't.  Gcc is the biggest offender -- it
35 **	doesn't realize that the library is part of the language.
36 **
37 **	Life would be much easier if we could get rid of this sort
38 **	of bozo problems.
39 */
40 
41 # ifdef __STDC__
42 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
43 # endif /* __STDC__ */
44 
45 /*
46 **  Assume you have standard calls; can be #undefed below if necessary.
47 */
48 
49 # ifndef HASLSTAT
50 #  define HASLSTAT	1	/* has lstat(2) call */
51 # endif /* ! HASLSTAT */
52 
53 # ifndef HASNICE
54 #  define HASNICE	1	/* has nice(2) call */
55 # endif /* ! HASNICE */
56 
57 # ifndef HASRRESVPORT
58 #  define HASRRESVPORT	1	/* has rrsevport(3) call */
59 # endif /* ! HASRRESVPORT */
60 
61 /**********************************************************************
62 **  "Hard" compilation options.
63 **	#define these if they are available; comment them out otherwise.
64 **  These cannot be overridden from the Makefile, and should really not
65 **  be turned off unless absolutely necessary.
66 **********************************************************************/
67 
68 #define LOG		1	/* enable logging -- don't turn off */
69 
70 /**********************************************************************
71 **  Operating system configuration.
72 **
73 **	Unless you are porting to a new OS, you shouldn't have to
74 **	change these.
75 **********************************************************************/
76 
77 /*
78 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
79 **
80 **	If V4FS is defined, compile for HP-UX 10.0.
81 **	11.x support from Richard Allen <ra@hp.is>.
82 */
83 
84 # ifdef __hpux
85 		/* common definitions for HP-UX 9.x and 10.x */
86 #  undef m_flags		/* conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h on HP 300 */
87 #  define SYSTEM5	1	/* include all the System V defines */
88 #  define HASINITGROUPS	1	/* has initgroups(3) call */
89 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
90 #  define USESETEUID	1	/* has usable seteuid(2) call */
91 #  define HASSETRESGID	1	/* use setresgid(2) to set saved gid */
92 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
93 #  define seteuid(e)	setresuid(-1, e, -1)
94 #  define IP_SRCROUTE	1	/* can check IP source routing */
95 #  define LA_TYPE	LA_HPUX
96 #  define SPT_TYPE	SPT_PSTAT
97 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
98 #  define GIDSET_T	gid_t
99 #  define LDA_USE_LOCKF	1
100 #  ifndef HASGETUSERSHELL
101 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
102 #  endif /* ! HASGETUSERSHELL */
103 #  ifdef HPUX10
104 #   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
105 #   define SMRSH_CMDDIR		"/var/adm/sm.bin"
106 #  endif /* HPUX10 */
107 #  ifdef HPUX11
108 #   define HASSETREUID	1	/* setreuid(2) works on HP-UX 11.x */
109 #   define HASFCHOWN	1	/* has fchown(2) */
110 #   ifndef BROKEN_RES_SEARCH
111 #    define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
112 #   endif /* ! BROKEN_RES_SEARCH */
113 #   define SMRSH_CMDDIR		"/var/adm/sm.bin"
114 #   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
115 #  else /* HPUX11 */
116 #   ifndef NOT_SENDMAIL
117 #    define syslog	hard_syslog
118 #   endif /* ! NOT_SENDMAIL */
119 #  endif /* HPUX11 */
120 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
121 
122 #  ifdef V4FS
123 		/* HP-UX 10.x */
124 #   define _PATH_UNIX		"/stand/vmunix"
125 #   ifndef _PATH_VENDOR_CF
126 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
127 #   endif /* ! _PATH_VENDOR_CF */
128 #   ifndef _PATH_SENDMAILPID
129 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
130 #   endif /* ! _PATH_SENDMAILPID */
131 #   ifndef IDENTPROTO
132 #    define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
133 #   endif /* ! IDENTPROTO */
134 #   include <sys/mpctl.h>	/* for mpctl() in get_num_procs_online() */
135 #  else /* V4FS */
136 		/* HP-UX 9.x */
137 #   define _PATH_UNIX		"/hp-ux"
138 #   ifndef _PATH_VENDOR_CF
139 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
140 #   endif /* ! _PATH_VENDOR_CF */
141 #   ifndef IDENTPROTO
142 #    define IDENTPROTO	0	/* TCP/IP implementation is broken */
143 #   endif /* ! IDENTPROTO */
144 #   ifdef __STDC__
145 extern void	hard_syslog(int, char *, ...);
146 #   else /* __STDC__ */
147 extern void	hard_syslog();
148 #   endif /* __STDC__ */
149 #   define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
150 #  endif /* V4FS */
151 
152 # endif /* __hpux */
153 
154 /*
155 **  IBM AIX 5.x
156 */
157 
158 # ifdef _AIX5
159 #  define _AIX4		40300
160 # endif /* _AIX5 */
161 
162 /*
163 **  IBM AIX 4.x
164 */
165 
166 # ifdef _AIX4
167 #  define _AIX3		1	/* pull in AIX3 stuff */
168 #  define BSD4_4_SOCKADDR	/* has sa_len */
169 #  define USESETEUID	1	/* seteuid(2) works */
170 #  define TZ_TYPE	TZ_NAME	/* use tzname[] vector */
171 #  define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
172 #  if _AIX4 >= 40200
173 #   define HASSETREUID	1	/* setreuid(2) works as of AIX 4.2 */
174 #   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
175 #  endif /* _AIX4 >= 40200 */
176 #  if defined(_ILS_MACROS)	/* IBM versions aren't side-effect clean */
177 #   undef isascii
178 #   define isascii(c)		!(c & ~0177)
179 #   undef isdigit
180 #   define isdigit(__a)		(_IS(__a,_ISDIGIT))
181 #   undef isspace
182 #   define isspace(__a)		(_IS(__a,_ISSPACE))
183 #  endif /* defined(_ILS_MACROS) */
184 # endif /* _AIX4 */
185 
186 
187 /*
188 **  IBM AIX 3.x -- actually tested for 3.2.3
189 */
190 
191 # ifdef _AIX3
192 #  include <paths.h>
193 #  include <sys/machine.h>	/* to get byte order */
194 #  include <sys/select.h>
195 #  define HASFCHOWN	1	/* has fchown(2) */
196 #  define HASINITGROUPS	1	/* has initgroups(3) call */
197 #  define HASUNAME	1	/* use System V uname(2) system call */
198 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
199 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
200 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
201 #  define GIDSET_T	gid_t
202 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
203 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
204 #  define LA_TYPE	LA_INT
205 #  define FSHIFT	16
206 #  define LA_AVENRUN	"avenrun"
207 #  if !defined(_AIX4) || _AIX4 < 40300
208 #   ifndef __BIT_TYPES_DEFINED__
209 #    define SM_INT32	int
210 #   endif /* __BIT_TYPES_DEFINED__ */
211 #  endif /* !defined(_AIX4) || _AIX4 < 40300 */
212 #  if !defined(_AIX4) || _AIX4 < 40200
213 #   define SM_CONF_SYSLOG	0
214 #  endif /* !defined(_AIX4) || _AIX4 < 40200 */
215 # endif /* _AIX3 */
216 
217 
218 /*
219 **  IBM AIX 2.2.1 -- actually tested for osupdate level 2706+1773
220 **
221 **	From Mark Whetzel <markw@wg.waii.com>.
222 */
223 
224 # ifdef AIX			/* AIX/RT compiler pre-defines this */
225 #  include <paths.h>
226 #  include <sys/time.h>		/* AIX/RT resource.h does NOT include this */
227 #  define HASINITGROUPS	1	/* has initgroups(3) call */
228 #  define HASUNAME	1	/* use System V uname(2) system call */
229 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
230 #  define HASFCHMOD	0	/* does not have fchmod(2) syscall */
231 #  define HASSETREUID	1	/* use setreuid(2) -lbsd system call */
232 #  define HASSETVBUF	1	/* use setvbuf(2) system call */
233 #  define HASSETRLIMIT	0	/* does not have setrlimit call */
234 #  define HASFLOCK	0	/* does not have flock call - use fcntl */
235 #  define HASULIMIT	1	/* use ulimit instead of setrlimit call */
236 #  define SM_CONF_GETOPT	0	/* Do we need theirs or ours */
237 #  define SYS5SETPGRP	1	/* don't have setpgid on AIX/RT */
238 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
239 #  define BSD4_3		1	/* NOT bsd 4.4 or posix signals */
240 #  define GIDSET_T	int
241 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
242 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
243 #  define LA_TYPE	LA_SUBR		/* use our ported loadavgd daemon */
244 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
245 #  define ARBPTR_T	int *
246 #  define void		int
247 typedef int		pid_t;
248 /* RTisms for BSD compatibility, specified in the Makefile
249   define BSD		1
250   define BSD_INCLUDES		1
251   define BSD_REMAP_SIGNAL_TO_SIGVEC
252     RTisms needed above */
253 /* make this sendmail in a completely different place */
254 #  ifndef _PATH_VENDOR_CF
255 #   define _PATH_VENDOR_CF	"/usr/local/newmail/sendmail.cf"
256 #  endif /* ! _PATH_VENDOR_CF */
257 #  ifndef _PATH_SENDMAILPID
258 #   define _PATH_SENDMAILPID	"/usr/local/newmail/sendmail.pid"
259 #  endif /* ! _PATH_SENDMAILPID */
260 # endif /* AIX */
261 
262 # if defined(_AIX)
263 #  define LDA_USE_LOCKF		1
264 #  define LDA_USE_SETEUID	1
265 # endif /* defined(_AIX) */
266 
267 /*
268 **  Silicon Graphics IRIX
269 **
270 **	Compiles on 4.0.1.
271 **
272 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
273 **	Use IRIX5 instead of IRIX for IRIX 5.x.
274 **
275 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
276 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
277 */
278 
279 # ifdef IRIX
280 #  define SYSTEM5	1	/* this is a System-V derived system */
281 #  define HASSETREUID	1	/* has setreuid(2) call */
282 #  define HASINITGROUPS	1	/* has initgroups(3) call */
283 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
284 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
285 #  define IP_SRCROUTE	1	/* can check IP source routing */
286 #  define setpgid	BSDsetpgrp
287 #  define GIDSET_T	gid_t
288 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
289 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
290 #  define SYSLOG_BUFSIZE 512
291 #  ifdef IRIX6
292 #   define STAT64	1
293 #   define QUAD_T	unsigned long long
294 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
295 #   define SAFENFSPATHCONF 0	/* pathconf(2) lies on NFS filesystems */
296 #  else /* IRIX6 */
297 #   define LA_TYPE	LA_INT
298 
299 #   ifdef IRIX64
300 #    define STAT64	1
301 #    define QUAD_T	unsigned long long
302 #    define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
303 #   else /* IRIX64 */
304 #    define STAT64	0
305 #    define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
306 #   endif /* IRIX64 */
307 #  endif /* IRIX6 */
308 #  if defined(IRIX64) || defined(IRIX5) || defined(IRIX6)
309 #   include <sys/cdefs.h>
310 #   include <paths.h>
311 #   define ARGV_T	char *const *
312 #   define HASFCHOWN	1	/* has fchown(2) */
313 #   define HASSETRLIMIT	1	/* has setrlimit(2) syscall */
314 #   define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
315 #   define HASSTRERROR	1	/* has strerror(3) */
316 #  else /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
317 #   define ARGV_T	const char **
318 #   define WAITUNION	1	/* use "union wait" as wait argument type */
319 #  endif /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
320 # endif /* IRIX */
321 
322 
323 /*
324 **  SunOS and Solaris
325 **
326 **	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
327 **	Solaris 2.4 (a.k.a. SunOS 5.4).
328 */
329 
330 # if defined(sun) && !defined(BSD)
331 
332 #  include <sys/time.h>
333 #  define HASINITGROUPS	1	/* has initgroups(3) call */
334 #  define HASUNAME	1	/* use System V uname(2) system call */
335 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
336 #  define IP_SRCROUTE	1	/* can check IP source routing */
337 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
338 #  ifndef HASFCHOWN
339 #   define HASFCHOWN	1	/* fchown(2) */
340 #  endif /* ! HASFCHOWN */
341 
342 #  ifdef __svr4__
343 #   define LDA_USE_LOCKF		1
344 #   define LDA_USE_SETEUID	1
345 #   define _PATH_MAILDIR		"/var/mail"
346 #  endif /* __svr4__ */
347 
348 #  ifdef SOLARIS_2_3
349 #   define SOLARIS	20300	/* for back compat only -- use -DSOLARIS=20300 */
350 #  endif /* SOLARIS_2_3 */
351 
352 #  if defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4))
353 #   define SOLARIS	1	/* unknown Solaris version */
354 #  endif /* defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4)) */
355 
356 #  ifdef SOLARIS
357 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
358 #   ifndef __svr4__
359 #    define __svr4__		/* use all System V Release 4 defines below */
360 #   endif /* ! __svr4__ */
361 #   define GIDSET_T	gid_t
362 #   define USE_SA_SIGACTION	1	/* use sa_sigaction field */
363 #   define BROKEN_PTHREAD_SLEEP	1	/* sleep after pthread_create() fails */
364 #   define HASSTRERROR	1	/* has strerror(3) */
365 #   ifndef _PATH_UNIX
366 #    define _PATH_UNIX		"/dev/ksyms"
367 #   endif /* ! _PATH_UNIX */
368 #   ifndef _PATH_VENDOR_CF
369 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
370 #   endif /* ! _PATH_VENDOR_CF */
371 #   ifndef _PATH_SENDMAILPID
372 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
373 #   endif /* ! _PATH_SENDMAILPID */
374 #   ifndef _PATH_HOSTS
375 #    define _PATH_HOSTS		"/etc/inet/hosts"
376 #   endif /* ! _PATH_HOSTS */
377 #   ifndef SYSLOG_BUFSIZE
378 #    define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
379 #   endif /* ! SYSLOG_BUFSIZE */
380 #   ifndef TZ_TYPE
381 #    define TZ_TYPE	TZ_TZNAME
382 #   endif /* ! TZ_TYPE */
383 #   if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203)
384 #    define USESETEUID		1	/* seteuid works as of 2.3 */
385 #    define LDA_CONTENTLENGTH	1	/* Needs the Content-Length header */
386 #   endif /* SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203) */
387 #   if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205)
388 #    define HASSETREUID	1		/* setreuid works as of 2.5 */
389 #    define HASSETREGID	1	/* use setregid(2) to set saved gid */
390 #    if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700)
391 #     ifndef LA_TYPE
392 #      define LA_TYPE	LA_KSTAT	/* use kstat(3k) -- may work in < 2.5 */
393 #     endif /* ! LA_TYPE */
394 #     ifndef RANDOMSHIFT		/* random() doesn't work well (sometimes) */
395 #      define RANDOMSHIFT	8
396 #     endif /* ! RANDOMSHIFT */
397 #    endif /* SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) */
398 #   else /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
399 #    ifndef HASRANDOM
400 #     define HASRANDOM	0		/* doesn't have random(3) */
401 #    endif /* ! HASRANDOM */
402 #   endif /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
403 #   if (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206
404 #    define SM_INT32	int	/* 32bit integer */
405 #   endif /* (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206 */
406 #   if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207)
407 #    ifndef LA_TYPE
408 #     include <sys/loadavg.h>
409 #     if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
410 #      include <sys/pset.h>
411 #      define LA_TYPE	LA_PSET	/* pset_getloadavg(3c) appears in 2.9 */
412 #     else /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
413 #      define LA_TYPE	LA_SUBR	/* getloadavg(3c) appears in 2.7 */
414 #     endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
415 #    endif /* ! LA_TYPE */
416 #    define HASGETUSERSHELL 1	/* getusershell(3c) bug fixed in 2.7 */
417 #   endif /* SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) */
418 #   if SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208)
419 #    undef _PATH_SENDMAILPID	/* tmpfs /var/run added in 2.8 */
420 #    define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
421 #    define SMRSH_CMDDIR		"/var/adm/sm.bin"
422 #    define SL_FUDGE	34	/* fudge offset for SyslogPrefixLen */
423 #   endif /* SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) */
424 #   if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
425 #    define HASURANDOMDEV	1	/* /dev/[u]random added in S9 */
426 #   endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
427 #   ifndef HASGETUSERSHELL
428 #    define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps pre-2.7 */
429 #   endif /* ! HASGETUSERSHELL */
430 
431 #  else /* SOLARIS */
432 			/* SunOS 4.0.3 or 4.1.x */
433 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
434 #   define HASSETREUID	1	/* has setreuid(2) call */
435 #   ifndef HASFLOCK
436 #    define HASFLOCK	1	/* has flock(2) call */
437 #   endif /* ! HASFLOCK */
438 #   define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
439 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
440 #   include <memory.h>
441 #   include <vfork.h>
442 #   ifdef __GNUC__
443 #    define strtoul	strtol	/* gcc library bogosity */
444 #   endif /* __GNUC__ */
445 #   define memmove(d, s, l)	(bcopy((s), (d), (l)))
446 #   define atexit(f)	on_exit((f), 0)	/* ugly hack for SunOS */
447 #   define SM_INT32	int	/* 32bit integer */
448 #   define SM_ALIGN_SIZE (sizeof(long))
449 #   define GIDSET_T	int
450 #   define SM_CONF_SYSLOG	0
451 
452 #   ifdef SUNOS403
453 			/* special tweaking for SunOS 4.0.3 */
454 #    include <malloc.h>
455 #    define BSD4_3	1	/* 4.3 BSD-based */
456 #    define NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
457 #    define WAITUNION	1	/* use "union wait" as wait argument type */
458 #    undef WIFEXITED
459 #    undef WEXITSTATUS
460 #    undef HASUNAME
461 #    define setpgid	setpgrp
462 #    define MODE_T	int
463 typedef int		pid_t;
464 extern char		*getenv();
465 
466 #   else /* SUNOS403 */
467 			/* 4.1.x specifics */
468 #    define HASSETSID	1	/* has Posix setsid(2) call */
469 #    define HASSETVBUF	1	/* we have setvbuf(3) in libc */
470 
471 #   endif /* SUNOS403 */
472 #  endif /* SOLARIS */
473 
474 #  ifndef LA_TYPE
475 #   define LA_TYPE	LA_INT
476 #  endif /* ! LA_TYPE */
477 
478 # endif /* defined(sun) && !defined(BSD) */
479 
480 /*
481 **  DG/UX
482 **
483 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
484 **	older support.
485 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
486 */
487 
488 # ifdef DGUX_5_4_2
489 #  define DGUX		1
490 # endif /* DGUX_5_4_2 */
491 
492 # ifdef DGUX
493 #  define SYSTEM5	1
494 #  define LA_TYPE	LA_DGUX
495 #  define HASSETREUID	1	/* has setreuid(2) call */
496 #  define HASUNAME	1	/* use System V uname(2) system call */
497 #  define HASSETSID	1	/* has Posix setsid(2) call */
498 #  define HASINITGROUPS	1	/* has initgroups(3) call */
499 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
500 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) */
501 #  ifndef IDENTPROTO
502 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
503 #  endif /* ! IDENTPROTO */
504 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
505 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
506 #  define LDA_USE_LOCKF		1
507 
508 /* these include files must be included early on DG/UX */
509 #  include <netinet/in.h>
510 #  include <arpa/inet.h>
511 
512 /* compiler doesn't understand const? */
513 #  define const
514 
515 #  ifdef DGUX_5_4_2
516 #   define inet_addr	dgux_inet_addr
517 extern long	dgux_inet_addr();
518 #  endif /* DGUX_5_4_2 */
519 # endif /* DGUX */
520 
521 
522 /*
523 **  Digital Ultrix 4.2 - 4.5
524 **
525 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
526 **	not dropped when the process exits.  This causes major problems,
527 **	so flock is the only alternative.
528 */
529 
530 # ifdef ultrix
531 #  define HASSETREUID	1	/* has setreuid(2) call */
532 #  define HASUNSETENV	1	/* has unsetenv(3) call */
533 #  define HASINITGROUPS	1	/* has initgroups(3) call */
534 #  define HASUNAME	1	/* use System V uname(2) system call */
535 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
536 #  define HASFCHOWN	1	/* has fchown(2) syscall */
537 #  ifndef HASFLOCK
538 #   define HASFLOCK	1	/* has flock(2) call */
539 #  endif /* ! HASFLOCK */
540 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
541 #  ifndef BROKEN_RES_SEARCH
542 #   define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
543 #  endif /* ! BROKEN_RES_SEARCH */
544 #  if !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621
545 #   define NEEDLOCAL_HOSTNAME_LENGTH	1	/* see sendmail/README */
546 #  endif /* !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621 */
547 #  ifdef vax
548 #   define LA_TYPE	LA_FLOAT
549 #  else /* vax */
550 #   define LA_TYPE	LA_INT
551 #   define LA_AVENRUN	"avenrun"
552 #  endif /* vax */
553 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
554 #  ifndef IDENTPROTO
555 #   define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
556 #  endif /* ! IDENTPROTO */
557 #  define SYSLOG_BUFSIZE	256
558 #  define SM_CONF_SYSLOG	0
559 # endif /* ultrix */
560 
561 
562 /*
563 **  OSF/1 for KSR.
564 **
565 **	Contributed by Todd C. Miller <Todd.Miller@cs.colorado.edu>
566 */
567 
568 # ifdef __ksr__
569 #  define __osf__	1	/* get OSF/1 defines below */
570 #  ifndef TZ_TYPE
571 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
572 #  endif /* ! TZ_TYPE */
573 # endif /* __ksr__ */
574 
575 
576 /*
577 **  OSF/1 for Intel Paragon.
578 **
579 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
580 **	of Intel Scalable Systems Divison.
581 */
582 
583 # ifdef __PARAGON__
584 #  define __osf__	1	/* get OSF/1 defines below */
585 #  ifndef TZ_TYPE
586 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
587 #  endif /* ! TZ_TYPE */
588 #  define GIDSET_T	gid_t
589 #  define MAXNAMLEN	NAME_MAX
590 # endif /* __PARAGON__ */
591 
592 
593 /*
594 **  Tru64 UNIX, formerly known as Digital UNIX, formerly known as DEC OSF/1
595 **
596 **	Tested for 3.2 and 4.0.
597 */
598 
599 # ifdef __osf__
600 #  define HASUNAME	1	/* has uname(2) call */
601 #  define HASUNSETENV	1	/* has unsetenv(3) call */
602 #  define USESETEUID	1	/* has usable seteuid(2) call */
603 #  define HASINITGROUPS	1	/* has initgroups(3) call */
604 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
605 #  define HASFCHOWN	1	/* has fchown(2) syscall */
606 #  define HASSETLOGIN	1	/* has setlogin(2) */
607 #  define IP_SRCROUTE	1	/* can check IP source routing */
608 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
609 #  define GIDSET_T	gid_t
610 #  define SM_INT32	int	/* 32bit integer */
611 #  ifndef HASFLOCK
612 #   define HASFLOCK	1	/* has flock(2) call */
613 #  endif /* ! HASFLOCK */
614 #  define LA_TYPE	LA_ALPHAOSF
615 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statfs() impl */
616 #  ifndef _PATH_VENDOR_CF
617 #   define _PATH_VENDOR_CF	"/var/adm/sendmail/sendmail.cf"
618 #  endif /* ! _PATH_VENDOR_CF */
619 #  ifndef _PATH_SENDMAILPID
620 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
621 #  endif /* ! _PATH_SENDMAILPID */
622 #  if _FFR_DIGUNIX_SAFECHOWN
623 /*
624 **  Testing on a Digital UNIX 4.0a system showed this to be the correct
625 **  setting but given the security consequences, more testing and
626 **  verification is needed.  Unfortunately, the man page offers no
627 **  assistance.
628 */
629 #   define IS_SAFE_CHOWN >= 0
630 #  endif /* _FFR_DIGUNIX_SAFECHOWN */
631 # endif /* __osf__ */
632 
633 
634 /*
635 **  NeXTstep
636 */
637 
638 # ifdef NeXT
639 #  define HASINITGROUPS	1	/* has initgroups(3) call */
640 #  define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
641 #  ifndef HASFLOCK
642 #   define HASFLOCK	1	/* has flock(2) call */
643 #  endif /* ! HASFLOCK */
644 #  define UID_T		int	/* compiler gripes on uid_t */
645 #  define GID_T		int	/* ditto for gid_t */
646 #  define MODE_T	int	/* and mode_t */
647 #  define setpgid	setpgrp
648 #  ifndef NOT_SENDMAIL
649 #   define sleep		sleepX
650 #  endif /* ! NOT_SENDMAIL */
651 #  ifndef LA_TYPE
652 #   define LA_TYPE	LA_MACH
653 #  endif /* ! LA_TYPE */
654 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
655 #  ifdef _POSIX_SOURCE
656 extern struct passwd	*getpwent();
657 #  else /* _POSIX_SOURCE */
658 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
659 #   define WAITUNION	1	/* use "union wait" as wait argument type */
660 typedef int		pid_t;
661 #   undef WEXITSTATUS
662 #   undef WIFEXITED
663 #   undef WIFSTOPPED
664 #   undef WTERMSIG
665 #  endif /* _POSIX_SOURCE */
666 #  ifndef _PATH_VENDOR_CF
667 #   define _PATH_VENDOR_CF	"/etc/sendmail/sendmail.cf"
668 #  endif /* ! _PATH_VENDOR_CF */
669 #  ifndef _PATH_SENDMAILPID
670 #   define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
671 #  endif /* ! _PATH_SENDMAILPID */
672 #  define SM_INT32	int	/* 32bit integer */
673 
674 #  ifdef TCPWRAPPERS
675 #   ifndef HASUNSETENV
676 #    define HASUNSETENV	1
677 #   endif /* ! HASUNSETENV */
678 #   undef NEEDPUTENV
679 #  endif /* TCPWRAPPERS */
680 #  ifndef __APPLE__
681 #   include <libc.h>
682 #   ifndef S_IRUSR
683 #    define S_IRUSR	S_IREAD
684 #   endif /* ! S_IRUSR */
685 #   ifndef S_IWUSR
686 #    define S_IWUSR	S_IWRITE
687 #   endif /* ! S_IWUSR */
688 #   define _PATH_MAILDIR	"/usr/spool/mail"
689 #  endif /* ! __APPLE__ */
690 #  ifndef isascii
691 #   define isascii(c)	((unsigned)(c) <= 0177)
692 #  endif /* ! isascii */
693 # endif /* NeXT */
694 
695 /*
696 **  Apple Rhapsody
697 **	Contributed by Wilfredo Sanchez <wsanchez@apple.com>
698 **
699 **	Also used for Apple Darwin support.
700 */
701 
702 # if defined(DARWIN)
703 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
704 #  define HASFLOCK	1	/* has flock(2) syscall */
705 #  define HASUNAME	1	/* has uname(2) syscall */
706 #  define HASUNSETENV	1
707 #  define HASSETSID	1	/* has the setsid(2) POSIX syscall */
708 #  define HASINITGROUPS	1
709 #  define HASSETVBUF	1
710 #  define HASSETREUID	0
711 #  define HASSETEUID	1
712 #  define USESETEUID	1	/* has usable seteuid(2) call */
713 #  define HASLSTAT	1
714 #  define HASSETRLIMIT	1
715 #  define HASWAITPID	1
716 #  define HASSTRERROR	1	/* has strerror(3) */
717 #  define HASGETDTABLESIZE	1
718 #  define HASGETUSERSHELL	1
719 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
720 #  define BSD4_4_SOCKADDR	/* has sa_len */
721 #  define NETLINK	1	/* supports AF_LINK */
722 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
723 #  define GIDSET_T	gid_t
724 #  define LA_TYPE	LA_SUBR		/* use getloadavg(3) */
725 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
726 #  define SPT_TYPE	SPT_PSSTRINGS
727 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
728 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
729 #  ifndef NOT_SENDMAIL
730 #   define sleep		sleepX
731 #  endif /* ! NOT_SENDMAIL */
732 # endif /* defined(DARWIN) */
733 
734 
735 /*
736 **  4.4 BSD
737 **
738 **	See also BSD defines.
739 */
740 
741 # if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__)
742 #  include <paths.h>
743 #  define HASUNSETENV	1	/* has unsetenv(3) call */
744 #  define USESETEUID	1	/* has usable seteuid(2) call */
745 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
746 #  define HASFCHOWN	1	/* has fchown(2) syscall */
747 #  define HASSTRERROR	1	/* has strerror(3) */
748 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
749 #  include <sys/cdefs.h>
750 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
751 #  define BSD4_4_SOCKADDR	/* has sa_len */
752 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
753 #  define NETLINK	1	/* supports AF_LINK */
754 #  ifndef LA_TYPE
755 #   define LA_TYPE	LA_SUBR
756 #  endif /* ! LA_TYPE */
757 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
758 #  define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
759 # endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) */
760 
761 
762 /*
763 **  BSD/OS (was BSD/386) (all versions)
764 **	From Tony Sanders, BSDI
765 */
766 
767 # ifdef __bsdi__
768 #  include <paths.h>
769 #  define HASUNSETENV	1	/* has the unsetenv(3) call */
770 #  define HASSETREUID	0	/* BSD-OS has broken setreuid(2) emulation */
771 #  define HASSETSID	1	/* has the setsid(2) POSIX syscall */
772 #  define USESETEUID	1	/* has usable seteuid(2) call */
773 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
774 #  define HASSETLOGIN	1	/* has setlogin(2) */
775 #  define HASUNAME	1	/* has uname(2) syscall */
776 #  define HASSTRERROR	1	/* has strerror(3) */
777 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
778 #  include <sys/cdefs.h>
779 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
780 #  define BSD4_4_SOCKADDR	/* has sa_len */
781 #  define NETLINK	1	/* supports AF_LINK */
782 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
783 #  ifndef LA_TYPE
784 #   define LA_TYPE	LA_SUBR
785 #  endif /* ! LA_TYPE */
786 #  define GIDSET_T	gid_t
787 #  define QUAD_T		quad_t
788 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
789 			/* version 1.1 or later */
790 #   undef SPT_TYPE
791 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
792 #  else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
793 			/* version 1.0 or earlier */
794 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
795 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
796 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701	/* on 3.x */
797 #   define HASSETUSERCONTEXT 1	/* has setusercontext */
798 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 */
799 #  if defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701	/* 3.1 and earlier */
800 #   define MODE_T	int	/* va_arg() can't handle less than int */
801 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701 */
802 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910	/* on 4.x */
803 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
804 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910 */
805 # endif /* __bsdi__ */
806 
807 
808 /*
809 **  QNX 4.2x
810 **	Contributed by Glen McCready <glen@qnx.com>.
811 **
812 **	Should work with all versions of QNX.
813 */
814 
815 # if defined(__QNX__)
816 #  include <unix.h>
817 #  include <sys/select.h>
818 #  undef NGROUPS_MAX
819 #  define HASSETSID	1	/* has the setsid(2) POSIX syscall */
820 #  define USESETEUID	1	/* has usable seteuid(2) call */
821 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
822 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
823 #  define HASSETREUID	1	/* has setreuid(2) call */
824 #  define HASSTRERROR	1	/* has strerror(3) */
825 #  define HASFLOCK	0
826 #  undef HASINITGROUPS		/* has initgroups(3) call */
827 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
828 #  define IP_SRCROUTE	1	/* can check IP source routing */
829 #  define TZ_TYPE	TZ_TMNAME	/* use tmname variable */
830 #  define GIDSET_T	gid_t
831 #  define LA_TYPE	LA_ZERO
832 #  define SFS_TYPE	SFS_NONE
833 #  define SPT_TYPE	SPT_REUSEARGV
834 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
835 #  define HASGETUSERSHELL 0
836 #  define E_PSEUDOBASE	512
837 #  define _FILE_H_INCLUDED
838 # endif /* defined(__QNX__) */
839 
840 
841 /*
842 **  FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
843 **
844 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
845 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
846 **
847 **	See also BSD defines.
848 */
849 
850 # if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
851 #  include <paths.h>
852 #  define HASUNSETENV	1	/* has unsetenv(3) call */
853 #  define HASSETSID	1	/* has the setsid(2) POSIX syscall */
854 #  define USESETEUID	1	/* has usable seteuid(2) call */
855 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
856 #  define HASFCHOWN	1	/* fchown(2) */
857 #  define HASUNAME	1	/* has uname(2) syscall */
858 #  define HASSTRERROR	1	/* has strerror(3) */
859 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
860 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
861 #  include <sys/cdefs.h>
862 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
863 #  define BSD4_4_SOCKADDR	/* has sa_len */
864 #  define NETLINK	1	/* supports AF_LINK */
865 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
866 #  define GIDSET_T	gid_t
867 #  define QUAD_T		unsigned long long
868 #  ifndef LA_TYPE
869 #   define LA_TYPE	LA_SUBR
870 #  endif /* ! LA_TYPE */
871 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
872 #  if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
873 #   undef SPT_TYPE
874 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
875 #  endif /* defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1) */
876 #  if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3))
877 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
878 #  endif /* defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3)) */
879 #  if defined(__FreeBSD__)
880 #   define HASSETLOGIN	1	/* has setlogin(2) */
881 #   if __FreeBSD_version >= 227001
882 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
883 #    define HASURANDOMDEV	1	/* has /dev/urandom(4) */
884 #   endif /* __FreeBSD_version >= 227001 */
885 #   undef SPT_TYPE
886 #   if __FreeBSD__ >= 2
887 #    include <osreldate.h>
888 #    if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
889 #     include <libutil.h>
890 #     define SPT_TYPE	SPT_BUILTIN
891 #    endif /* __FreeBSD_version >= 199512 */
892 #    if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
893 #     define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
894 #    endif /* __FreeBSD_version >= 222000 */
895 #    if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
896 #     define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
897 #     define SMRSH_PATH		"/bin:/usr/bin"
898 #    endif /* __FreeBSD_version >= 330000 */
899 #    define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
900 #    include <sys/sysctl.h>
901 #   endif /* __FreeBSD__ >= 2 */
902 #   ifndef SPT_TYPE
903 #    define SPT_TYPE	SPT_REUSEARGV
904 #    define SPT_PADCHAR	'\0'		/* pad process title with nulls */
905 #   endif /* ! SPT_TYPE */
906 #  endif /* defined(__FreeBSD__) */
907 #  if defined(__OpenBSD__)
908 #   undef SPT_TYPE
909 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
910 #   define HASSETLOGIN	1	/* has setlogin(2) */
911 #   define HASSETREUID	0	/* OpenBSD has broken setreuid(2) emulation */
912 #   define HASSETEGID	1	/* use setegid(2) to set saved gid */
913 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
914 #   if OpenBSD >= 200006
915 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
916 #   endif /* OpenBSD >= 200006 */
917 #   if OpenBSD >= 200012
918 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
919 #   endif /* OpenBSD >= 200012 */
920 #  endif /* defined(__OpenBSD__) */
921 # endif /* defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
922 
923 
924 /*
925 **  Mach386
926 **
927 **	For mt Xinu's Mach386 system.
928 */
929 
930 # if defined(MACH) && defined(i386) && !defined(__GNU__)
931 #  define MACH386	1
932 #  define HASUNSETENV	1	/* has unsetenv(3) call */
933 #  define HASINITGROUPS	1	/* has initgroups(3) call */
934 #  ifndef HASFLOCK
935 #   define HASFLOCK	1	/* has flock(2) call */
936 #  endif /* ! HASFLOCK */
937 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
938 #  define NEEDSTRTOL	1	/* need the strtol() function */
939 #  define setpgid	setpgrp
940 #  ifndef LA_TYPE
941 #   define LA_TYPE	LA_FLOAT
942 #  endif /* ! LA_TYPE */
943 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
944 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
945 #  undef WEXITSTATUS
946 #  undef WIFEXITED
947 #  ifndef _PATH_VENDOR_CF
948 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
949 #  endif /* ! _PATH_VENDOR_CF */
950 #  ifndef _PATH_SENDMAILPID
951 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
952 #  endif /* ! _PATH_SENDMAILPID */
953 # endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
954 
955 
956 
957 /*
958 **  GNU OS (hurd)
959 **	Largely BSD & posix compatible.
960 **	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
961 **	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
962 */
963 
964 # if defined(__GNU__) && !defined(NeXT)
965 #  include <paths.h>
966 #  define HASFCHMOD	1	/* has fchmod(2) call */
967 #  define HASFCHOWN	1	/* has fchown(2) call */
968 #  define HASUNAME	1	/* has uname(2) call */
969 #  define HASUNSETENV	1	/* has unsetenv(3) call */
970 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
971 #  define HASSTRERROR	1	/* has strerror(3) */
972 #  define GIDSET_T	gid_t
973 #  define SOCKADDR_LEN_T	socklen_t
974 #  define SOCKOPT_LEN_T	socklen_t
975 #  if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
976 #   define LA_TYPE	LA_SUBR
977 #  else /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
978 #   define LA_TYPE	LA_MACH
979    /* GNU uses mach[34], which renames some rpcs from mach2.x. */
980 #   define host_self	mach_host_self
981 #  endif /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
982 #  define SFS_TYPE	SFS_STATFS
983 #  define SPT_TYPE	SPT_CHANGEARGV
984 #  define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
985 #  define BSD4_4_SOCKADDR	1	/* has sa_len */
986 #  define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
987 #  define HAS_IN_H	1	/* GNU has netinet/in.h. */
988 /* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
989 #  define MAXPATHLEN	2048
990 # endif /* defined(__GNU__) && !defined(NeXT) */
991 
992 /*
993 **  4.3 BSD -- this is for very old systems
994 **
995 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
996 **
997 **	You'll also have to install a new resolver library.
998 **	I don't guarantee that support for this environment is complete.
999 */
1000 
1001 # if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1002 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1003 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1004 #  define ARBPTR_T	char *
1005 #  define setpgid	setpgrp
1006 #  ifndef LA_TYPE
1007 #   define LA_TYPE	LA_FLOAT
1008 #  endif /* ! LA_TYPE */
1009 #  ifndef _PATH_VENDOR_CF
1010 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1011 #  endif /* ! _PATH_VENDOR_CF */
1012 #  ifndef IDENTPROTO
1013 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1014 #  endif /* ! IDENTPROTO */
1015 #  undef WEXITSTATUS
1016 #  undef WIFEXITED
1017 typedef short		pid_t;
1018 # endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1019 
1020 
1021 /*
1022 **  SCO Unix
1023 **
1024 **	This includes three parts:
1025 **
1026 **	The first is for SCO OpenServer 5.
1027 **	(Contributed by Keith Reynolds <keithr@sco.COM>).
1028 **
1029 **		SCO OpenServer 5 has a compiler version number macro,
1030 **		which we can use to figure out what version we're on.
1031 **		This may have to change in future releases.
1032 **
1033 **	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1034 **	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1035 **
1036 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1037 */
1038 
1039 /* SCO OpenServer 5 */
1040 # if _SCO_DS >= 1
1041 #  include <paths.h>
1042 #  define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1043 #  define HASFCHMOD	1	/* has fchmod(2) call */
1044 #  define HASFCHOWN	1	/* has fchown(2) call */
1045 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1046 #  define USESETEUID	1	/* has seteuid(2) call */
1047 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1048 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1049 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1050 #  define LDA_USE_LOCKF	1
1051 #  ifndef LA_TYPE
1052 #   define LA_TYPE	LA_DEVSHORT
1053 #  endif /* ! LA_TYPE */
1054 #  define _PATH_AVENRUN	"/dev/table/avenrun"
1055 #  ifndef _SCO_unix_4_2
1056 #   define _SCO_unix_4_2
1057 #  else /* ! _SCO_unix_4_2 */
1058 #   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1059 #   define SOCKOPT_LEN_T		size_t	/* arg#5 to getsockopt */
1060 #  endif /* ! _SCO_unix_4_2 */
1061 # endif /* _SCO_DS >= 1 */
1062 
1063 /* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1064 # ifdef _SCO_unix_4_2
1065 #  define _SCO_unix_
1066 #  define HASSETREUID	1	/* has setreuid(2) call */
1067 # endif /* _SCO_unix_4_2 */
1068 
1069 /* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1070 # ifdef _SCO_unix_
1071 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1072 #  define SYSTEM5	1	/* include all the System V defines */
1073 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1074 #  define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1075 #  ifndef USE_SIGLONGJMP
1076 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1077 #  endif /* ! USE_SIGLONGJMP */
1078 #  define MAXPATHLEN	PATHSIZE
1079 #  define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1080 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1081 #  define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1082 #  define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1083 #  define UID_T		uid_t
1084 #  define GID_T		gid_t
1085 #  define GIDSET_T	gid_t
1086 #  define _PATH_UNIX		"/unix"
1087 #  ifndef _PATH_VENDOR_CF
1088 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1089 #  endif /* ! _PATH_VENDOR_CF */
1090 #  ifndef _PATH_SENDMAILPID
1091 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1092 #  endif /* ! _PATH_SENDMAILPID */
1093 
1094 /* stuff fixed in later releases */
1095 #  ifndef _SCO_unix_4_2
1096 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1097 #  endif /* ! _SCO_unix_4_2 */
1098 
1099 #  ifndef _SCO_DS
1100 #   define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1101 #   define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1102 #   define NETUNIX	0	/* no unix domain socket support */
1103 #   define LA_TYPE	LA_SHORT
1104 #  endif /* ! _SCO_DS */
1105 
1106 # endif /* _SCO_unix_ */
1107 
1108 /*
1109 **  ISC (SunSoft) Unix.
1110 **
1111 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1112 */
1113 
1114 # ifdef ISC_UNIX
1115 #  include <net/errno.h>
1116 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1117 #  include <sys/bsdtypes.h>
1118 #  define SYSTEM5	1	/* include all the System V defines */
1119 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1120 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1121 #  define HASSETREUID	1	/* has setreuid(2) call */
1122 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1123 #  define NETUNIX	0	/* no unix domain socket support */
1124 #  define MAXPATHLEN	1024
1125 #  define LA_TYPE	LA_SHORT
1126 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1127 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1128 #  define _PATH_UNIX		"/unix"
1129 #  ifndef _PATH_VENDOR_CF
1130 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1131 #  endif /* ! _PATH_VENDOR_CF */
1132 #  ifndef _PATH_SENDMAILPID
1133 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1134 #  endif /* ! _PATH_SENDMAILPID */
1135 # endif /* ISC_UNIX */
1136 
1137 
1138 /*
1139 **  Altos System V (5.3.1)
1140 **	Contributed by Tim Rice <tim@trr.metro.net>.
1141 */
1142 
1143 # ifdef ALTOS_SYSTEM_V
1144 #  include <sys/stream.h>
1145 #  include <limits.h>
1146 #  define SYSTEM5	1	/* include all the System V defines */
1147 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1148 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1149 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1150 #  define NEEDFSYNC	1	/* no fsync(2) in system library */
1151 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1152 #  define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1153 #  define MAXPATHLEN	PATH_MAX
1154 #  define LA_TYPE	LA_SHORT
1155 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1156 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1157 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1158 #  define NETUNIX	0	/* no unix domain socket support */
1159 #  undef WIFEXITED
1160 #  undef WEXITSTATUS
1161 #  define strtoul	strtol	/* gcc library bogosity */
1162 
1163 typedef unsigned short	uid_t;
1164 typedef unsigned short	gid_t;
1165 typedef short		pid_t;
1166 typedef unsigned long	mode_t;
1167 
1168 /* some stuff that should have been in the include files */
1169 extern char		*malloc();
1170 extern struct passwd	*getpwent();
1171 extern struct passwd	*getpwnam();
1172 extern struct passwd	*getpwuid();
1173 extern char		*getenv();
1174 extern struct group	*getgrgid();
1175 extern struct group	*getgrnam();
1176 
1177 # endif /* ALTOS_SYSTEM_V */
1178 
1179 
1180 /*
1181 **  ConvexOS 11.0 and later
1182 **
1183 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1184 **	works on 9.1 as well.
1185 **
1186 **  ConvexOS 11.5 and later, should work on 11.0 as defined.
1187 **  For pre-ConvexOOS 11.0, define SM_CONF_GETOPT=0, undef IDENTPROTO
1188 **
1189 **	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1190 **		(now the CONVEX Technologies Center of Hewlett Packard)
1191 */
1192 
1193 # ifdef _CONVEX_SOURCE
1194 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1195 #  define HASINITGROUPS	1	/* has initgroups(3) */
1196 #  define HASUNAME	1	/* use System V uname(2) system call */
1197 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1198 #  define HASUNSETENV	1	/* has unsetenv(3) */
1199 #  define HASFLOCK	1	/* has flock(2) */
1200 #  define HASSETRLIMIT	1	/* has setrlimit(2) */
1201 #  define HASSETREUID	1	/* has setreuid(2) */
1202 #  define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1203 #  define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1204 #  define SM_CONF_GETOPT	1	/* need a replacement for getopt(3) */
1205 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1206 #  define LA_TYPE	LA_FLOAT
1207 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1208 #  ifndef _PATH_VENDOR_CF
1209 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1210 #  endif /* ! _PATH_VENDOR_CF */
1211 #  ifndef S_IREAD
1212 #   define S_IREAD	_S_IREAD
1213 #   define S_IWRITE	_S_IWRITE
1214 #   define S_IEXEC	_S_IEXEC
1215 #   define S_IFMT	_S_IFMT
1216 #   define S_IFCHR	_S_IFCHR
1217 #   define S_IFBLK	_S_IFBLK
1218 #  endif /* ! S_IREAD */
1219 #  ifndef TZ_TYPE
1220 #   define TZ_TYPE	TZ_TIMEZONE
1221 #  endif /* ! TZ_TYPE */
1222 #  ifndef IDENTPROTO
1223 #   define IDENTPROTO	1
1224 #  endif /* ! IDENTPROTO */
1225 #  ifndef SHARE_V1
1226 #   define SHARE_V1	1	/* version 1 of the fair share scheduler */
1227 #  endif /* ! SHARE_V1 */
1228 #  if !defined(__GNUC__ )
1229 #   define UID_T	int		/* GNUC gets it right, ConvexC botches */
1230 #   define GID_T	int		/* GNUC gets it right, ConvexC botches */
1231 #  endif /* !defined(__GNUC__ ) */
1232 #  if SECUREWARE
1233 #   define FORK	fork		/* SecureWare wants the real fork! */
1234 #  else /* SECUREWARE */
1235 #   define FORK	vfork		/* the rest of the OS versions don't care */
1236 #  endif /* SECUREWARE */
1237 # endif /* _CONVEX_SOURCE */
1238 
1239 
1240 /*
1241 **  RISC/os 4.52
1242 **
1243 **	Gives a ton of warning messages, but otherwise compiles.
1244 */
1245 
1246 # ifdef RISCOS
1247 
1248 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1249 #  ifndef HASFLOCK
1250 #   define HASFLOCK	1	/* has flock(2) call */
1251 #  endif /* ! HASFLOCK */
1252 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1253 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1254 #  define NEEDPUTENV	1	/* need putenv(3) call */
1255 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1256 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1257 #  define LA_TYPE	LA_INT
1258 #  define LA_AVENRUN	"avenrun"
1259 #  define _PATH_UNIX	"/unix"
1260 #  undef WIFEXITED
1261 
1262 #  define setpgid	setpgrp
1263 
1264 typedef int		pid_t;
1265 #  define SIGFUNC_DEFINED
1266 #  define SIGFUNC_RETURN	(0)
1267 #  define SIGFUNC_DECL	int
1268 typedef int		(*sigfunc_t)();
1269 extern char		*getenv();
1270 extern void		*malloc();
1271 
1272 /* added for RISC/os 4.01...which is dumber than 4.50 */
1273 #  ifdef RISCOS_4_0
1274 #   ifndef ARBPTR_T
1275 #    define ARBPTR_T	char *
1276 #   endif /* ! ARBPTR_T */
1277 #   undef HASFLOCK
1278 #   define HASFLOCK	0
1279 #  endif /* RISCOS_4_0 */
1280 
1281 #  include <sys/time.h>
1282 
1283 # endif /* RISCOS */
1284 
1285 
1286 /*
1287 **  Linux 0.99pl10 and above...
1288 **
1289 **  Thanks to, in reverse order of contact:
1290 **
1291 **	John Kennedy <warlock@csuchico.edu>
1292 **	Andrew Pam <avatar@aus.xanadu.com>
1293 **	Florian La Roche <rzsfl@rz.uni-sb.de>
1294 **	Karl London <karl@borg.demon.co.uk>
1295 **
1296 **  Last compiled against:	[07/21/98 @ 11:47:34 AM (Tuesday)]
1297 **	sendmail 8.9.1		bind-8.1.2		db-2.4.14
1298 **	gcc-2.8.1		glibc-2.0.94		linux-2.1.109
1299 **
1300 **  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1301 **	file locking is no longer allowed.  In particular, make sure
1302 **	your DBM library and sendmail are both using either flock(2)
1303 **	*or* fcntl(2) file locking, but not both.
1304 */
1305 
1306 # ifdef __linux__
1307 #  include <linux/version.h>
1308 #  if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1309 #   define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1310 #  endif /* !defined(KERNEL_VERSION) */
1311 #  define BSD		1	/* include BSD defines */
1312 #  define HASSETREGID	1	/* use setregid(2) to set saved gid */
1313 #  ifndef REQUIRES_DIR_FSYNC
1314 #   define REQUIRES_DIR_FSYNC	1	/* requires fsync() on directory */
1315 #  endif /* REQUIRES_DIR_FSYNC */
1316 #  ifndef USESETEUID
1317 #   define USESETEUID	0	/* has it due to POSIX, but doesn't work */
1318 #  endif /* USESETEUID */
1319 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1320 #  define HASUNAME	1	/* use System V uname(2) system call */
1321 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1322 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1323 #  define GIDSET_T	gid_t	/* from <linux/types.h> */
1324 #  ifndef HASGETUSERSHELL
1325 #   define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1326 #  endif /* HASGETUSERSHELL */
1327 #  ifndef IP_SRCROUTE
1328 #   define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1329 #  endif /* ! IP_SRCROUTE */
1330 #  ifndef HAS_IN_H
1331 #   define HAS_IN_H	1	/* use netinet/in.h */
1332 #  endif /* ! HAS_IN_H */
1333 #  ifndef USE_SIGLONGJMP
1334 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1335 #  endif /* ! USE_SIGLONGJMP */
1336 #  ifndef HASFLOCK
1337 #   if LINUX_VERSION_CODE < 66399
1338 #    define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1339 #   else /* LINUX_VERSION_CODE < 66399 */
1340 #    define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1341 #   endif /* LINUX_VERSION_CODE < 66399 */
1342 #  endif /* ! HASFLOCK */
1343 #  ifndef LA_TYPE
1344 #   define LA_TYPE	LA_PROCSTR
1345 #  endif /* ! LA_TYPE */
1346 #  define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1347 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1348 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1349 #   ifndef HASURANDOMDEV
1350 #    define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1351 #   endif /* ! HASURANDOMDEV */
1352 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) */
1353 #  ifndef TZ_TYPE
1354 #   define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1355 #  endif /* ! TZ_TYPE */
1356 #  ifndef _PATH_SENDMAILPID
1357 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1358 #  endif /* ! _PATH_SENDMAILPID */
1359 #  include <sys/sysmacros.h>
1360 #  undef atol			/* wounded in <stdlib.h> */
1361 #  if NETINET6
1362    /*
1363    **  Linux doesn't have a good way to tell userland what interfaces are
1364    **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1365    **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1366    **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1367    */
1368 #   define ADDRCONFIG_IS_BROKEN	1
1369 
1370    /*
1371    **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1372    **  in 2.1 and later, but the APIs appear before the functions.
1373    */
1374 #   if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1375 #    define HASSTRERROR	1	/* has strerror(3) */
1376 #    define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__)
1377 #    if (GLIBC_VERSION >= 0x201)
1378 #     undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1379 #    else /* (GLIBC_VERSION >= 0x201) */
1380 #     include <linux/in6.h>	/* IPv6 support */
1381 #    endif /* (GLIBC_VERSION >= 0x201) */
1382 #    if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE))
1383      /* Have APIs in <netdb.h>, but no support in glibc */
1384 #     define NEEDSGETIPNODE	1
1385 #    endif /* (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE)) */
1386 #    undef GLIBC_VERSION
1387 #   endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1388 #  endif /* NETINET6 */
1389 #  ifndef HASFCHOWN
1390 #   define HASFCHOWN	1	/* fchown(2) */
1391 #  endif /* ! HASFCHOWN */
1392 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD)
1393 #    define HASFCHMOD	1	/* fchmod(2) */
1394 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD) */
1395 # endif /* __linux__ */
1396 
1397 
1398 /*
1399 **  DELL SVR4 Issue 2.2, and others
1400 **	From Kimmo Suominen <kim@grendel.lut.fi>
1401 **
1402 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1403 **	defined, and the definitions conflict.
1404 **
1405 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1406 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1407 **	(SVR4.0/386 version 3.0).
1408 */
1409 
1410 # ifdef DELL_SVR4
1411 				/* no changes necessary */
1412 				/* see general __svr4__ defines below */
1413 # endif /* DELL_SVR4 */
1414 
1415 
1416 /*
1417 **  Apple A/UX 3.0
1418 */
1419 
1420 # ifdef _AUX_SOURCE
1421 #  include <sys/sysmacros.h>
1422 #  define BSD			/* has BSD routines */
1423 #  define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1424 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1425 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1426 #  define HASUNAME	1	/* use System V uname(2) system call */
1427 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1428 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1429 #  define HASSETVBUF	1	/* has setvbuf(3) in libc */
1430 #  define HASSTRERROR	1	/* has strerror(3) */
1431 #  define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1432 #  define SIGFUNC_RETURN		/* POSIX-mode */
1433 #  define SIGFUNC_DECL	void	/* POSIX-mode */
1434 #  define ERRLIST_PREDEFINED	1
1435 #  ifndef IDENTPROTO
1436 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1437 #  endif /* ! IDENTPROTO */
1438 #  ifndef LA_TYPE
1439 #   define LA_TYPE	LA_INT
1440 #   define FSHIFT	16
1441 #  endif /* ! LA_TYPE */
1442 #  define LA_AVENRUN	"avenrun"
1443 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1444 #  define TZ_TYPE	TZ_TZNAME
1445 #  ifndef _PATH_UNIX
1446 #   define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1447 #  endif /* ! _PATH_UNIX */
1448 #  ifndef _PATH_VENDOR_CF
1449 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1450 #  endif /* ! _PATH_VENDOR_CF */
1451 #  undef WIFEXITED
1452 #  undef WEXITSTATUS
1453 # endif /* _AUX_SOURCE */
1454 
1455 
1456 /*
1457 **  Encore UMAX V
1458 **
1459 **	Not extensively tested.
1460 */
1461 
1462 # ifdef UMAXV
1463 #  define HASUNAME	1	/* use System V uname(2) system call */
1464 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1465 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1466 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1467 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1468 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1469 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1470 #  define MAXPATHLEN	PATH_MAX
1471 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1472 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1473 #  undef WIFEXITED
1474 #  undef WEXITSTATUS
1475 # endif /* UMAXV */
1476 
1477 
1478 /*
1479 **  Stardent Titan 3000 running TitanOS 4.2.
1480 **
1481 **	Must be compiled in "cc -43" mode.
1482 **
1483 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1484 **
1485 **	Note the tweaking below after the BSD defines are set.
1486 */
1487 
1488 # ifdef titan
1489 #  define setpgid	setpgrp
1490 typedef int		pid_t;
1491 #  undef WIFEXITED
1492 #  undef WEXITSTATUS
1493 # endif /* titan */
1494 
1495 
1496 /*
1497 **  Sequent DYNIX 3.2.0
1498 **
1499 **	From Jim Davis <jdavis@cs.arizona.edu>.
1500 */
1501 
1502 # ifdef sequent
1503 
1504 #  define BSD		1
1505 #  define HASUNSETENV	1
1506 #  define BSD4_3		1	/* to get signal() in conf.c */
1507 #  define WAITUNION	1
1508 #  define LA_TYPE	LA_FLOAT
1509 #  ifdef _POSIX_VERSION
1510 #   undef _POSIX_VERSION		/* set in <unistd.h> */
1511 #  endif /* _POSIX_VERSION */
1512 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1513 #  define setpgid	setpgrp
1514 
1515 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1516 #  undef	WIFEXITED
1517 #  define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1518 			 ((union wait*)&(s))->w_termsig == 0)
1519 #  define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1520 typedef int		pid_t;
1521 #  define isgraph(c)	(isprint(c) && (c != ' '))
1522 
1523 #  ifndef IDENTPROTO
1524 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1525 #  endif /* ! IDENTPROTO */
1526 
1527 #  ifndef _PATH_UNIX
1528 #   define _PATH_UNIX		"/dynix"
1529 #  endif /* ! _PATH_UNIX */
1530 #  ifndef _PATH_VENDOR_CF
1531 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1532 #  endif /* ! _PATH_VENDOR_CF */
1533 # endif /* sequent */
1534 
1535 
1536 /*
1537 **  Sequent DYNIX/ptx v2.0 (and higher)
1538 **
1539 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
1540 **
1541 **	From Tim Wright <timw@sequent.com>.
1542 **	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1543 **		for DYNIX/ptx 4.0.2.
1544 */
1545 
1546 # ifdef _SEQUENT_
1547 #  include <sys/stream.h>
1548 #  define SYSTEM5	1	/* include all the System V defines */
1549 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1550 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1551 #  define HASSETREUID	1	/* has setreuid(2) call */
1552 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1553 #  define GIDSET_T	gid_t
1554 #  define LA_TYPE	LA_INT
1555 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1556 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1557 #  ifndef IDENTPROTO
1558 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1559 #  endif /* ! IDENTPROTO */
1560 #  ifndef _PATH_VENDOR_CF
1561 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1562 #  endif /* ! _PATH_VENDOR_CF */
1563 #  ifndef _PATH_SENDMAILPID
1564 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1565 #  endif /* ! _PATH_SENDMAILPID */
1566 # endif /* _SEQUENT_ */
1567 
1568 
1569 /*
1570 **  Cray Unicos
1571 **
1572 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
1573 */
1574 
1575 # ifdef UNICOS
1576 #  define SYSTEM5	1	/* include all the System V defines */
1577 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1578 #  define MAXPATHLEN	PATHSIZE
1579 #  define LA_TYPE	LA_ZERO
1580 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1581 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1582 # endif /* UNICOS */
1583 
1584 
1585 /*
1586 **  Apollo DomainOS
1587 **
1588 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1589 **
1590 **  15 Jan 1994; updated 2 Aug 1995
1591 **
1592 */
1593 
1594 # ifdef apollo
1595 #  define HASSETREUID	1	/* has setreuid(2) call */
1596 #  define HASINITGROUPS	1	/* has initgroups(2) call */
1597 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1598 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1599 #  define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1600 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1601 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1602 #  define TZ_TYPE	TZ_TZNAME
1603 #  ifndef _PATH_VENDOR_CF
1604 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1605 #  endif /* ! _PATH_VENDOR_CF */
1606 #  ifndef _PATH_SENDMAILPID
1607 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1608 #  endif /* ! _PATH_SENDMAILPID */
1609 #  undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1610 #  undef	 S_IFIFO
1611 #  define S_IFIFO	0010000
1612 #  ifndef IDENTPROTO
1613 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1614 #  endif /* ! IDENTPROTO */
1615 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1616 #  if defined(NGROUPS_MAX) && !NGROUPS_MAX
1617 #   undef NGROUPS_MAX
1618 #  endif /* defined(NGROUPS_MAX) && !NGROUPS_MAX */
1619 # endif /* apollo */
1620 
1621 /*
1622 **  MPE-iX
1623 **
1624 **	Requires MPE 6.0 or greater.  See sendmail/README for more info.
1625 **
1626 **	From Mark Bixby <mark_bixby@hp.com> or <mark@bixby.org>.
1627 */
1628 
1629 # ifdef MPE
1630 
1631 #  include <sys/sysmacros.h>
1632 #  include <fcntl.h>
1633 
1634 /* Sendmail stuff */
1635 #  define HASFCHOWN		0	/* lacks fchown() */
1636 #  define HASGETUSERSHELL	0	/* lacks getusershell() */
1637 #  ifdef HASNICE
1638 #   undef  HASNICE
1639 #  endif /* HASNICE */
1640 #  define HASNICE		0	/* lacks nice() */
1641 #  define HASRANDOM		0	/* lacks random() */
1642 #  ifdef HASRRESVPORT
1643 #   undef HASRRESVPORT
1644 #  endif /* HASRRESVPORT */
1645 #  define HASRRESVPORT		0	/* lacks rresvport() */
1646 #  define IP_SRCROUTE		0	/* lacks IP source routing fields */
1647 #  ifdef MATCHGECOS
1648 #   undef MATCHGECOS
1649 #  endif /* MATCHGECOS */
1650 #  define MATCHGECOS		0	/* lacks an initialized GECOS field */
1651 #  define NEEDFSYNC		1	/* use sendmail's fsync() */
1652 #  define NEEDLINK		1	/* use sendmail's link() */
1653 #  define NOFTRUNCATE		1	/* lacks ftruncate() */
1654 #  define SFS_TYPE		SFS_NONE /* can't determine disk space */
1655 #  define SM_CONF_SYSLOG	0	/* use sendmail decl of syslog() */
1656 #  define USE_DOUBLE_FORK	0	/* don't fork an intermediate zombie */
1657 #  define USE_ENVIRON		1	/* use environ instead of envp */
1658 
1659 /* Missing header stuff */
1660 #  define AF_UNSPEC		0
1661 #  define AF_MAX		AF_INET
1662 #  define IFF_LOOPBACK		0x8
1663 #  define IN_LOOPBACKNET	127
1664 #  define MAXNAMLEN		NAME_MAX
1665 #  define S_IEXEC		S_IXUSR
1666 #  define S_IREAD		S_IRUSR
1667 #  define S_IWRITE		S_IWUSR
1668 
1669 /* Present header stuff that needs to be missing */
1670 #  undef NGROUPS_MAX
1671 
1672 /* Shadow functions */
1673 #  define bind		sendmail_mpe_bind
1674 #  define _exit		sendmail_mpe__exit
1675 #  define exit		sendmail_mpe_exit
1676 #  define fcntl		sendmail_mpe_fcntl
1677 #  define getegid	sendmail_mpe_getegid
1678 #  define geteuid	sendmail_mpe_geteuid
1679 #  define getpwnam	sendmail_mpe_getpwnam
1680 #  define getpwuid	sendmail_mpe_getpwuid
1681 #  define setgid	sendmail_mpe_setgid
1682 #  define setuid	sendmail_mpe_setuid
1683 extern int		sendmail_mpe_fcntl __P((int, int, ...));
1684 extern struct passwd *	sendmail_mpe_getpwnam __P((const char *));
1685 extern struct passwd *	sendmail_mpe_getpwuid __P((uid_t));
1686 # endif /* MPE */
1687 
1688 /*
1689 **  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1690 **
1691 **	Contributed by Paul Gampe <paulg@apnic.net>
1692 */
1693 
1694 # ifdef __svr5__
1695 #  include <sys/mkdev.h>
1696 #  define __svr4__
1697 #  define SYS5SIGNALS		1
1698 #  define HASFCHOWN		1	/* has fchown(2) call */
1699 #  define HASSETSID		1
1700 #  define HASSETREUID		1
1701 #  define HASWAITPID		1
1702 #  define HASGETDTABLESIZE	1
1703 #  define GIDSET_T		gid_t
1704 #  define SOCKADDR_LEN_T		size_t
1705 #  define SOCKOPT_LEN_T		size_t
1706 #  ifndef _PATH_UNIX
1707 #   define _PATH_UNIX		"/stand/unix"
1708 #  endif /* ! _PATH_UNIX */
1709 #  define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1710 #  ifndef SYSLOG_BUFSIZE
1711 #   define SYSLOG_BUFSIZE	1024	/* unsure */
1712 #  endif /* ! SYSLOG_BUFSIZE */
1713 #  ifndef _PATH_VENDOR_CF
1714 #   define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1715 #  endif /* ! _PATH_VENDOR_CF */
1716 #  ifndef _PATH_SENDMAILPID
1717 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1718 #  endif /* ! _PATH_SENDMAILPID */
1719 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1720 #if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT)
1721 # define SM_SET_H_ERRNO(err)	set_h_errno((err))
1722 #endif /* ! SM_SET_H_ERRNO && _REENTRANT */
1723 # endif /* __svr5__ */
1724 
1725 /* ###################################################################### */
1726 
1727 /*
1728 **  UnixWare 2.x
1729 */
1730 
1731 # ifdef UNIXWARE2
1732 #  define UNIXWARE	1
1733 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1734 # endif /* UNIXWARE2 */
1735 
1736 
1737 /*
1738 **  UnixWare 1.1.2.
1739 **
1740 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1741 **	From Evan Champion <evanc@spatial.synapse.org>.
1742 */
1743 
1744 # ifdef UNIXWARE
1745 #  include <sys/mkdev.h>
1746 #  define SYSTEM5		1
1747 #  define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1748 #  define HASSETREUID		1
1749 #  define HASSETSID		1
1750 #  define HASINITGROUPS		1
1751 #  define GIDSET_T		gid_t
1752 #  define SLEEP_T		unsigned
1753 #  define SFS_TYPE		SFS_STATVFS
1754 #  define LA_TYPE		LA_ZERO
1755 #  undef WIFEXITED
1756 #  undef WEXITSTATUS
1757 #  ifndef _PATH_UNIX
1758 #   define _PATH_UNIX		"/unix"
1759 #  endif /* ! _PATH_UNIX */
1760 #  ifndef _PATH_VENDOR_CF
1761 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1762 #  endif /* ! _PATH_VENDOR_CF */
1763 #  ifndef _PATH_SENDMAILPID
1764 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1765 #  endif /* ! _PATH_SENDMAILPID */
1766 #  define SYSLOG_BUFSIZE	128
1767 # endif /* UNIXWARE */
1768 
1769 
1770 /*
1771 **  Intergraph CLIX 3.1
1772 **
1773 **	From Paul Southworth <pauls@locust.cic.net>
1774 */
1775 
1776 # ifdef CLIX
1777 #  define SYSTEM5	1	/* looks like System V */
1778 #  ifndef HASGETUSERSHELL
1779 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1780 #  endif /* ! HASGETUSERSHELL */
1781 #  define DEV_BSIZE	512	/* device block size not defined */
1782 #  define GIDSET_T	gid_t
1783 #  undef LOG			/* syslog not available */
1784 #  define NEEDFSYNC	1	/* no fsync in system library */
1785 #  define GETSHORT	_getshort
1786 # endif /* CLIX */
1787 
1788 
1789 /*
1790 **  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
1791 **
1792 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1793 */
1794 
1795 # ifdef NCR_MP_RAS2
1796 #  include <sys/sockio.h>
1797 #  define __svr4__
1798 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1799 #  define SYSLOG_BUFSIZE	1024
1800 #  define SPT_TYPE  SPT_NONE
1801 # endif /* NCR_MP_RAS2 */
1802 
1803 
1804 /*
1805 **  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
1806 **
1807 **	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
1808 */
1809 
1810 # ifdef NCR_MP_RAS3
1811 #  define __svr4__
1812 #  define HASFCHOWN		1	/* has fchown(2) call */
1813 #  define LDA_USE_LOCKF		1
1814 #  define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
1815 #  define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
1816 #  define SYSLOG_BUFSIZE	1024
1817 #  define SPT_TYPE	SPT_NONE
1818 #  define _PATH_MAILDIR	"/var/mail"
1819 #  ifndef _XOPEN_SOURCE
1820 #   define _XOPEN_SOURCE
1821 #   define _XOPEN_SOURCE_EXTENDED 1
1822 #   include <sys/resource.h>
1823 #   undef _XOPEN_SOURCE
1824 #   undef _XOPEN_SOURCE_EXTENDED
1825 #  endif /* ! _XOPEN_SOURCE */
1826 # endif /* NCR_MP_RAS3 */
1827 
1828 
1829 /*
1830 **  Tandem NonStop-UX SVR4
1831 **
1832 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1833 */
1834 
1835 # ifdef NonStop_UX_BXX
1836 #  define __svr4__
1837 # endif /* NonStop_UX_BXX */
1838 
1839 
1840 /*
1841 **  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
1842 **
1843 **	Tested for 1.04, 1.03
1844 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1845 **
1846 **	Tested for 4.02, 6.10 and 7.10
1847 **	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
1848 */
1849 
1850 # if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
1851 #  define SYSTEM5	1	/* include all the System V defines */
1852 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1853 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1854 #  define setreuid(r, e)	setresuid(r, e, -1)
1855 #  define LA_TYPE	LA_FLOAT
1856 #  define SPT_TYPE	SPT_PSTAT
1857 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1858 #  ifndef HASSETVBUF
1859 #   define HASSETVBUF	/* HI-UX has no setlinebuf */
1860 #  endif /* ! HASSETVBUF */
1861 #  ifndef GIDSET_T
1862 #   define GIDSET_T	gid_t
1863 #  endif /* ! GIDSET_T */
1864 #  ifndef _PATH_UNIX
1865 #   define _PATH_UNIX		"/HI-UX"
1866 #  endif /* ! _PATH_UNIX */
1867 #  ifndef _PATH_VENDOR_CF
1868 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1869 #  endif /* ! _PATH_VENDOR_CF */
1870 #  ifndef IDENTPROTO
1871 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1872 #  endif /* ! IDENTPROTO */
1873 #  ifndef HASGETUSERSHELL
1874 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1875 #  endif /* ! HASGETUSERSHELL */
1876 #  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
1877 
1878 /*
1879 **  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
1880 **  on HIUX 3050
1881 */
1882 #  undef m_flags
1883 
1884 #  define SM_CONF_SYSLOG	0
1885 
1886 # endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
1887 
1888 
1889 /*
1890 **  Amdahl UTS System V 2.1.5 (SVr3-based)
1891 **
1892 **    From: Janet Jackson <janet@dialix.oz.au>.
1893 */
1894 
1895 # ifdef _UTS
1896 #  include <sys/sysmacros.h>
1897 #  undef HASLSTAT		/* has symlinks, but they cause problems */
1898 #  define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
1899 #  define SYS5SIGNALS	1	/* System V signal semantics */
1900 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1901 #  define HASUNAME	1	/* use System V uname(2) system call */
1902 #  define HASINITGROUPS	1	/* has initgroups(3) function */
1903 #  define HASSETVBUF	1	/* has setvbuf(3) function */
1904 #  ifndef HASGETUSERSHELL
1905 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
1906 #  endif /* ! HASGETUSERSHELL */
1907 #  define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
1908 #  define LA_TYPE	LA_ZERO		/* doesn't have load average */
1909 #  define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
1910 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1911 #  define _PATH_UNIX		"/unix"
1912 #  ifndef _PATH_VENDOR_CF
1913 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1914 #  endif /* ! _PATH_VENDOR_CF */
1915 # endif /* _UTS */
1916 
1917 /*
1918 **  Cray Computer Corporation's CSOS
1919 **
1920 **	From Scott Bolte <scott@craycos.com>.
1921 */
1922 
1923 # ifdef _CRAYCOM
1924 #  define SYSTEM5	1	/* include all the System V defines */
1925 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1926 #  define NEEDFSYNC	1	/* no fsync in system library */
1927 #  define MAXPATHLEN	PATHSIZE
1928 #  define LA_TYPE	LA_ZERO
1929 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1930 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1931 #  define _POSIX_CHOWN_RESTRICTED	-1
1932 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1933 # endif /* _CRAYCOM */
1934 
1935 
1936 /*
1937 **  Sony NEWS-OS 4.2.1R and 6.0.3
1938 **
1939 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1940 */
1941 
1942 # ifdef sony_news
1943 #  ifndef __svr4
1944 			/* NEWS-OS 4.2.1R */
1945 #   ifndef BSD
1946 #    define BSD			/* has BSD routines */
1947 #   endif /* ! BSD */
1948 #   define HASUNSETENV	1	/* has unsetenv(2) call */
1949 #   undef HASSETVBUF		/* don't actually have setvbuf(3) */
1950 #   define WAITUNION	1	/* use "union wait" as wait argument type */
1951 #   define LA_TYPE	LA_INT
1952 #   define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1953 #   ifndef HASFLOCK
1954 #    define HASFLOCK	1	/* has flock(2) call */
1955 #   endif /* ! HASFLOCK */
1956 #   define setpgid	setpgrp
1957 #   undef WIFEXITED
1958 #   undef WEXITSTATUS
1959 #   define MODE_T	int	/* system include files have no mode_t */
1960 typedef int		pid_t;
1961 typedef int		(*sigfunc_t)();
1962 #   define SIGFUNC_DEFINED
1963 #   define SIGFUNC_RETURN	(0)
1964 #   define SIGFUNC_DECL		int
1965 
1966 #  else /* ! __svr4 */
1967 			/* NEWS-OS 6.0.3 with /bin/cc */
1968 #   ifndef __svr4__
1969 #    define __svr4__		/* use all System V Release 4 defines below */
1970 #   endif /* ! __svr4__ */
1971 #   define HASSETSID	1	/* has Posix setsid(2) call */
1972 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
1973 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1974 #   ifndef SPT_TYPE
1975 #    define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
1976 #   endif /* ! SPT_TYPE */
1977 #   define GIDSET_T	gid_t
1978 #   undef WIFEXITED
1979 #   undef WEXITSTATUS
1980 #   ifndef SYSLOG_BUFSIZE
1981 #    define SYSLOG_BUFSIZE	256
1982 #   endif /* ! SYSLOG_BUFSIZE */
1983 #   define _PATH_UNIX		"/stand/unix"
1984 #   ifndef _PATH_VENDOR_CF
1985 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
1986 #   endif /* ! _PATH_VENDOR_CF */
1987 #   ifndef _PATH_SENDMAILPID
1988 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
1989 #   endif /* ! _PATH_SENDMAILPID */
1990 
1991 #  endif /* ! __svr4 */
1992 # endif /* sony_news */
1993 
1994 
1995 /*
1996 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
1997 **
1998 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1999 */
2000 
2001 # ifdef luna
2002 #  ifndef IDENTPROTO
2003 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2004 #  endif /* ! IDENTPROTO */
2005 #  define HASUNSETENV	1	/* has unsetenv(2) call */
2006 #  define NEEDPUTENV	1	/* need putenv(3) call */
2007 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
2008 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2009 #  define WAITUNION	1	/* use "union wait" as wait argument type */
2010 #  ifdef uniosb
2011 #   include <sys/time.h>
2012 #   define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2013 #   define LA_TYPE	LA_INT
2014 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2015 #  endif /* uniosb */
2016 #  ifdef luna2
2017 #   define LA_TYPE	LA_SUBR
2018 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2019 #  endif /* luna2 */
2020 #  ifdef luna88k
2021 #   define LA_TYPE	LA_INT
2022 #  endif /* luna88k */
2023 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2024 #  define setpgid	setpgrp
2025 #  undef WIFEXITED
2026 #  undef WEXITSTATUS
2027 typedef int		pid_t;
2028 typedef int		(*sigfunc_t)();
2029 #  define SIGFUNC_DEFINED
2030 #  define SIGFUNC_RETURN	(0)
2031 #  define SIGFUNC_DECL	int
2032 extern char	*getenv();
2033 #  ifndef _PATH_VENDOR_CF
2034 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2035 #  endif /* ! _PATH_VENDOR_CF */
2036 # endif /* luna */
2037 
2038 
2039 /*
2040 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2041 **
2042 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2043 */
2044 
2045 # if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2046 #  ifndef __svr4__
2047 #   define __svr4__		/* use all System V Release 4 defines below */
2048 #  endif /* ! __svr4__ */
2049 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2050 #  define HASSETSID	1	/* has Posix setsid(2) call */
2051 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2052 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2053 #  define GIDSET_T	gid_t
2054 #  undef WIFEXITED
2055 #  undef WEXITSTATUS
2056 #  define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2057 #  ifndef _PATH_VENDOR_CF
2058 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2059 #  endif /* ! _PATH_VENDOR_CF */
2060 #  ifndef _PATH_SENDMAILPID
2061 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2062 #  endif /* ! _PATH_SENDMAILPID */
2063 #  ifndef SYSLOG_BUFSIZE
2064 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2065 #  endif /* ! SYSLOG_BUFSIZE */
2066 # endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2067 
2068 
2069 /*
2070 **  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2071 **
2072 **	From Diego R. Lopez <drlopez@cica.es>.
2073 **	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2074 **		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2075 */
2076 
2077 # ifdef __uxp__
2078 #  include <arpa/nameser.h>
2079 #  include <sys/sysmacros.h>
2080 #  include <sys/mkdev.h>
2081 #  define __svr4__
2082 #  define HASGETUSERSHELL	0
2083 #  define HASFLOCK		0
2084 #  define _PATH_UNIX		"/stand/unix"
2085 #  ifndef _PATH_VENDOR_CF
2086 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2087 #  endif /* ! _PATH_VENDOR_CF */
2088 #  ifndef _PATH_SENDMAILPID
2089 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2090 #  endif /* ! _PATH_SENDMAILPID */
2091 # endif /* __uxp__ */
2092 
2093 /*
2094 **  Pyramid DC/OSx
2095 **
2096 **	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2097 */
2098 
2099 # ifdef DCOSx
2100 #  define GIDSET_T	gid_t
2101 #  ifndef IDENTPROTO
2102 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2103 #  endif /* ! IDENTPROTO */
2104 # endif /* DCOSx */
2105 
2106 /*
2107 **  Concurrent Computer Corporation Maxion
2108 **
2109 **	From Donald R. Laster Jr. <laster@access.digex.net>.
2110 */
2111 
2112 # ifdef __MAXION__
2113 
2114 #  include <sys/stream.h>
2115 #  define __svr4__		1	/* SVR4.2MP */
2116 #  define HASSETREUID		1	/* have setreuid(2) */
2117 #  define HASLSTAT		1	/* have lstat(2) */
2118 #  define HASSETRLIMIT		1	/* have setrlimit(2) */
2119 #  define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2120 #  define HASGETUSERSHELL	1	/* have getusershell(3) */
2121 #  define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2122 #  define SLEEP_T		unsigned
2123 #  define SFS_TYPE		SFS_STATVFS
2124 #  define SFS_BAVAIL		f_bavail
2125 #  ifndef SYSLOG_BUFSIZE
2126 #   define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2127 #  endif /* ! SYSLOG_BUFSIZE */
2128 
2129 #  undef WUNTRACED
2130 #  undef WIFEXITED
2131 #  undef WIFSIGNALED
2132 #  undef WIFSTOPPED
2133 #  undef WEXITSTATUS
2134 #  undef WTERMSIG
2135 #  undef WSTOPSIG
2136 
2137 # endif /* __MAXION__ */
2138 
2139 /*
2140 **  Harris Nighthawk PowerUX (nh6000 box)
2141 **
2142 **  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2143 */
2144 
2145 # ifdef _PowerUX
2146 #  ifndef __svr4__
2147 #   define __svr4__
2148 #  endif /* ! __svr4__ */
2149 #  ifndef _PATH_VENDOR_CF
2150 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2151 #  endif /* ! _PATH_VENDOR_CF */
2152 #  ifndef _PATH_SENDMAILPID
2153 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2154 #  endif /* ! _PATH_SENDMAILPID */
2155 #  define SYSLOG_BUFSIZE		1024
2156 #  define LA_TYPE		LA_ZERO
2157 typedef struct msgb		mblk_t;
2158 #  undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2159 # endif /* _PowerUX */
2160 
2161 /*
2162 **  Siemens Nixdorf Informationssysteme AG SINIX
2163 **
2164 **	Contributed by Gerald Rinske of Siemens Business Services VAS.
2165 */
2166 # ifdef sinix
2167 #  define HASRANDOM		0	/* has random(3) */
2168 #  define SYSLOG_BUFSIZE	1024
2169 #  define SM_INT32		int	/* 32bit integer */
2170 # endif /* sinix */
2171 
2172 /*
2173 **  CRAY T3E
2174 **
2175 **	Contributed by Manu Mahonen <mailadm@csc.fi>
2176 **	of Center for Scientific Computing.
2177 */
2178 # ifdef _CRAY
2179 #  define GET_IPOPT_DST(dst)	*(struct in_addr *)&(dst)
2180 #  define _PATH_MAILDIR	"/usr/spool/mail"
2181 #  if !defined(MAXPATHLEN)
2182 #   define MAXPATHLEN PATHSIZE
2183 #  endif /* !defined(MAXPATHLEN) */
2184 # endif /* _CRAY */
2185 
2186 /*
2187 **  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2188 **
2189 **	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2190 */
2191 
2192 # ifdef MOTO
2193 #  define HASFCHMOD		1
2194 #  define HASSETRLIMIT		0
2195 #  define HASSETSID		1
2196 #  define HASSETREUID		1
2197 #  define HASULIMIT		1
2198 #  define HASWAITPID		1
2199 #  define HASGETDTABLESIZE	1
2200 #  define HASGETUSERSHELL	1
2201 #  define IP_SRCROUTE		0
2202 #  define IDENTPROTO		0
2203 #  define RES_DNSRCH_VARIABLE	_res_dnsrch
2204 #  define _PATH_UNIX		"/unix"
2205 #  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2206 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2207 # endif /* MOTO */
2208 
2209 
2210 /**********************************************************************
2211 **  End of Per-Operating System defines
2212 **********************************************************************/
2213 /**********************************************************************
2214 **  More general defines
2215 **********************************************************************/
2216 
2217 /* general BSD defines */
2218 # ifdef BSD
2219 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2220 #  ifndef HASSETREUID
2221 #   define HASSETREUID	1	/* has setreuid(2) call */
2222 #  endif /* ! HASSETREUID */
2223 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2224 #  ifndef IP_SRCROUTE
2225 #   define IP_SRCROUTE	1	/* can check IP source routing */
2226 #  endif /* ! IP_SRCROUTE */
2227 #  ifndef HASSETRLIMIT
2228 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2229 #  endif /* ! HASSETRLIMIT */
2230 #  ifndef HASFLOCK
2231 #   define HASFLOCK	1	/* has flock(2) call */
2232 #  endif /* ! HASFLOCK */
2233 #  ifndef TZ_TYPE
2234 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2235 #  endif /* ! TZ_TYPE */
2236 # endif /* BSD */
2237 
2238 /* general System V Release 4 defines */
2239 # ifdef __svr4__
2240 #  define SYSTEM5	1
2241 #  define USESETEUID	1	/* has usable seteuid(2) call */
2242 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2243 #  define BSD_COMP	1	/* get BSD ioctl calls */
2244 #  ifndef HASSETRLIMIT
2245 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2246 #  endif /* ! HASSETRLIMIT */
2247 #  ifndef HASGETUSERSHELL
2248 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2249 #  endif /* ! HASGETUSERSHELL */
2250 #  ifndef HASFCHMOD
2251 #   define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2252 #  endif /* ! HASFCHMOD */
2253 
2254 #  ifndef _PATH_UNIX
2255 #   define _PATH_UNIX		"/unix"
2256 #  endif /* ! _PATH_UNIX */
2257 #  ifndef _PATH_VENDOR_CF
2258 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2259 #  endif /* ! _PATH_VENDOR_CF */
2260 #  ifndef _PATH_SENDMAILPID
2261 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2262 #  endif /* ! _PATH_SENDMAILPID */
2263 #  ifndef SYSLOG_BUFSIZE
2264 #   define SYSLOG_BUFSIZE	128
2265 #  endif /* ! SYSLOG_BUFSIZE */
2266 #  ifndef SFS_TYPE
2267 #   define SFS_TYPE		SFS_STATVFS
2268 #  endif /* ! SFS_TYPE */
2269 
2270 #  ifndef USE_SIGLONGJMP
2271 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
2272 #  endif /* ! USE_SIGLONGJMP */
2273 # endif /* __svr4__ */
2274 
2275 # ifdef __SVR4
2276 #  define LDA_USE_LOCKF		1
2277 #  define LDA_USE_SETEUID	1
2278 #  define _PATH_MAILDIR		"/var/mail"
2279 # endif /* __SVR4 */
2280 
2281 /* general System V defines */
2282 # ifdef SYSTEM5
2283 #  include <sys/sysmacros.h>
2284 #  define HASUNAME	1	/* use System V uname(2) system call */
2285 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2286 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2287 #  ifndef HASULIMIT
2288 #   define HASULIMIT	1	/* has the ulimit(2) syscall */
2289 #  endif /* ! HASULIMIT */
2290 #  ifndef LA_TYPE
2291 #   ifdef MIOC_READKSYM
2292 #    define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2293 #   else /* MIOC_READKSYM */
2294 #    define LA_TYPE	LA_INT		/* assume integer load average */
2295 #   endif /* MIOC_READKSYM */
2296 #  endif /* ! LA_TYPE */
2297 #  ifndef SFS_TYPE
2298 #   define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2299 #  endif /* ! SFS_TYPE */
2300 #  ifndef TZ_TYPE
2301 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2302 #  endif /* ! TZ_TYPE */
2303 # endif /* SYSTEM5 */
2304 
2305 /* general POSIX defines */
2306 # ifdef _POSIX_VERSION
2307 #  define HASSETSID	1	/* has Posix setsid(2) call */
2308 #  define HASWAITPID	1	/* has Posix waitpid(2) call */
2309 #  if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2310 #   define USESETEUID	1	/* has usable seteuid(2) call */
2311 #  endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2312 # endif /* _POSIX_VERSION */
2313 /*
2314 **  Tweaking for systems that (for example) claim to be BSD or POSIX
2315 **  but don't have all the standard BSD or POSIX routines (boo hiss).
2316 */
2317 
2318 # ifdef titan
2319 #  undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2320 # endif /* titan */
2321 
2322 # ifdef _CRAYCOM
2323 #  undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2324 # endif /* _CRAYCOM */
2325 
2326 # ifdef MOTO
2327 #  undef USESETEUID
2328 # endif /* MOTO */
2329 
2330 /*
2331 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2332 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2333 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2334 **  are closed.  Some firewalls return this error if you try to connect
2335 **  to the IDENT port (113), so you can't receive email from these hosts
2336 **  on these systems.  The firewall really should use a more specific
2337 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2338 **  not explicitly set to zero above, default it on.
2339 */
2340 
2341 # ifndef IDENTPROTO
2342 #  define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2343 # endif /* ! IDENTPROTO */
2344 
2345 # ifndef IP_SRCROUTE
2346 #  define IP_SRCROUTE	1	/* Detect IP source routing */
2347 # endif /* ! IP_SRCROUTE */
2348 
2349 # ifndef HASGETUSERSHELL
2350 #  define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2351 # endif /* ! HASGETUSERSHELL */
2352 
2353 # ifndef NETUNIX
2354 #  define NETUNIX	1	/* include unix domain support */
2355 # endif /* ! NETUNIX */
2356 
2357 # ifndef HASRANDOM
2358 #  define HASRANDOM	1	/* has random(3) support */
2359 # endif /* ! HASRANDOM */
2360 
2361 # ifndef HASFLOCK
2362 #  define HASFLOCK	0	/* assume no flock(2) support */
2363 # endif /* ! HASFLOCK */
2364 
2365 # ifndef HASSETREUID
2366 #  define HASSETREUID	0	/* assume no setreuid(2) call */
2367 # endif /* ! HASSETREUID */
2368 
2369 # ifndef HASFCHMOD
2370 #  define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2371 # endif /* ! HASFCHMOD */
2372 
2373 # ifndef USESETEUID
2374 #  define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2375 # endif /* ! USESETEUID */
2376 
2377 # ifndef HASSETRLIMIT
2378 #  define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2379 # endif /* ! HASSETRLIMIT */
2380 
2381 # ifndef HASULIMIT
2382 #  define HASULIMIT	0	/* assume no ulimit(2) support */
2383 # endif /* ! HASULIMIT */
2384 
2385 # ifndef SECUREWARE
2386 #  define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2387 # endif /* ! SECUREWARE */
2388 
2389 # ifndef USE_DOUBLE_FORK
2390 #  define USE_DOUBLE_FORK	1	/* avoid intermediate zombies */
2391 # endif /* ! USE_DOUBLE_FORK */
2392 
2393 # ifndef USE_ENVIRON
2394 #  define USE_ENVIRON	0	/* use main() envp instead of extern environ */
2395 # endif /* ! USE_ENVIRON */
2396 
2397 # ifndef USE_SIGLONGJMP
2398 #  define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2399 # endif /* ! USE_SIGLONGJMP */
2400 
2401 # ifndef FDSET_CAST
2402 #  define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2403 # endif /* ! FDSET_CAST */
2404 
2405 /*
2406 **  Pick a mailer setuid method for changing the current uid
2407 */
2408 
2409 # define USE_SETEUID	0
2410 # define USE_SETREUID	1
2411 # define USE_SETUID	2
2412 
2413 # if USESETEUID
2414 #  define MAILER_SETUID_METHOD	USE_SETEUID
2415 # else /* USESETEUID */
2416 #  if HASSETREUID
2417 #   define MAILER_SETUID_METHOD	USE_SETREUID
2418 #  else /* HASSETREUID */
2419 #   define MAILER_SETUID_METHOD	USE_SETUID
2420 #  endif /* HASSETREUID */
2421 # endif /* USESETEUID */
2422 
2423 /*
2424 **  If no type for argument two of getgroups call is defined, assume
2425 **  it's an integer -- unfortunately, there seem to be several choices
2426 **  here.
2427 */
2428 
2429 # ifndef GIDSET_T
2430 #  define GIDSET_T	int
2431 # endif /* ! GIDSET_T */
2432 
2433 # ifndef UID_T
2434 #  define UID_T		uid_t
2435 # endif /* ! UID_T */
2436 
2437 # ifndef GID_T
2438 #  define GID_T		gid_t
2439 # endif /* ! GID_T */
2440 
2441 # ifndef MODE_T
2442 #  define MODE_T		mode_t
2443 # endif /* ! MODE_T */
2444 
2445 # ifndef ARGV_T
2446 #  define ARGV_T		char **
2447 # endif /* ! ARGV_T */
2448 
2449 # ifndef SOCKADDR_LEN_T
2450 #  define SOCKADDR_LEN_T	int
2451 # endif /* ! SOCKADDR_LEN_T */
2452 
2453 # ifndef SOCKOPT_LEN_T
2454 #  define SOCKOPT_LEN_T	int
2455 # endif /* ! SOCKOPT_LEN_T */
2456 
2457 # ifndef QUAD_T
2458 #  define QUAD_T	unsigned long
2459 # endif /* ! QUAD_T */
2460 /**********************************************************************
2461 **  Remaining definitions should never have to be changed.  They are
2462 **  primarily to provide back compatibility for older systems -- for
2463 **  example, it includes some POSIX compatibility definitions
2464 **********************************************************************/
2465 
2466 /* System 5 compatibility */
2467 # ifndef S_ISREG
2468 #  define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2469 # endif /* ! S_ISREG */
2470 # ifndef S_ISDIR
2471 #  define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2472 # endif /* ! S_ISDIR */
2473 # if !defined(S_ISLNK) && defined(S_IFLNK)
2474 #  define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2475 # endif /* !defined(S_ISLNK) && defined(S_IFLNK) */
2476 # if !defined(S_ISFIFO)
2477 #  if defined(S_IFIFO)
2478 #   define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2479 #  else /* defined(S_IFIFO) */
2480 #   define S_ISFIFO(foo)	false
2481 #  endif /* defined(S_IFIFO) */
2482 # endif /* !defined(S_ISFIFO) */
2483 # ifndef S_IRUSR
2484 #  define S_IRUSR		0400
2485 # endif /* ! S_IRUSR */
2486 # ifndef S_IWUSR
2487 #  define S_IWUSR		0200
2488 # endif /* ! S_IWUSR */
2489 # ifndef S_IRGRP
2490 #  define S_IRGRP		0040
2491 # endif /* ! S_IRGRP */
2492 # ifndef S_IWGRP
2493 #  define S_IWGRP		0020
2494 # endif /* ! S_IWGRP */
2495 # ifndef S_IROTH
2496 #  define S_IROTH		0004
2497 # endif /* ! S_IROTH */
2498 # ifndef S_IWOTH
2499 #  define S_IWOTH		0002
2500 # endif /* ! S_IWOTH */
2501 
2502 /* close-on-exec flag */
2503 # ifndef FD_CLOEXEC
2504 #  define FD_CLOEXEC	1
2505 # endif /* ! FD_CLOEXEC */
2506 
2507 /*
2508 **  Older systems don't have this error code -- it should be in
2509 **  /usr/include/sysexits.h.
2510 */
2511 
2512 # ifndef EX_CONFIG
2513 #  define EX_CONFIG	78	/* configuration error */
2514 # endif /* ! EX_CONFIG */
2515 
2516 /* pseudo-codes */
2517 # define EX_QUIT		22	/* drop out of server immediately */
2518 # define EX_RESTART	23	/* restart sendmail daemon */
2519 # define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2520 
2521 #ifndef EX_NOTFOUND
2522 # define EX_NOTFOUND	EX_NOHOST
2523 #endif /* ! EX_NOTFOUND */
2524 
2525 /* pseudo-code used for mci_setstat */
2526 # define EX_NOTSTICKY	-5	/* don't save persistent status */
2527 
2528 
2529 /*
2530 **  An "impossible" file mode to indicate that the file does not exist.
2531 */
2532 
2533 # define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2534 
2535 
2536 /* type of arbitrary pointer */
2537 # ifndef ARBPTR_T
2538 #  define ARBPTR_T	void *
2539 # endif /* ! ARBPTR_T */
2540 
2541 # ifndef __P
2542 #  include "sm/cdefs.h"
2543 # endif /* ! __P */
2544 
2545 # if HESIOD && !defined(NAMED_BIND)
2546 #  define NAMED_BIND	1	/* not one without the other */
2547 # endif /* HESIOD && !defined(NAMED_BIND) */
2548 
2549 #  if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2550 extern int	h_errno;
2551 #  endif /* NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) */
2552 
2553 # if NEEDPUTENV
2554 extern int	putenv __P((char *));
2555 # endif /* NEEDPUTENV */
2556 
2557 #if !HASUNSETENV
2558 extern void	unsetenv __P((char *));
2559 #endif /* !HASUNSETENV */
2560 
2561 # ifdef LDAPMAP
2562 #  include <sys/time.h>
2563 #  include <lber.h>
2564 #  include <ldap.h>
2565 
2566 /* Some LDAP constants */
2567 #  define LDAPMAP_FALSE		0
2568 #  define LDAPMAP_TRUE		1
2569 
2570 /*
2571 **  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2572 **  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2573 **  and assume (falsely) that all old API implementations are broken.
2574 **  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2575 */
2576 
2577 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2578 #   define USE_LDAP_INIT	1
2579 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) */
2580 
2581 /*
2582 **  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2583 **  hence ldap_set_option() must not exist.
2584 */
2585 
2586 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2587 #   define USE_LDAP_SET_OPTION	1
2588 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) */
2589 
2590 # endif /* LDAPMAP */
2591 
2592 # if HASUNAME
2593 #  include <sys/utsname.h>
2594 #  ifdef newstr
2595 #   undef newstr
2596 #  endif /* newstr */
2597 # else /* HASUNAME */
2598 #  define NODE_LENGTH 32
2599 struct utsname
2600 {
2601 	char nodename[NODE_LENGTH + 1];
2602 };
2603 # endif /* HASUNAME */
2604 
2605 # if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2606 #  define MAXHOSTNAMELEN	256
2607 # endif /* !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) */
2608 
2609 # if !defined(SIGCHLD) && defined(SIGCLD)
2610 #  define SIGCHLD	SIGCLD
2611 # endif /* !defined(SIGCHLD) && defined(SIGCLD) */
2612 
2613 # ifndef STDIN_FILENO
2614 #  define STDIN_FILENO	0
2615 # endif /* ! STDIN_FILENO */
2616 
2617 # ifndef STDOUT_FILENO
2618 #  define STDOUT_FILENO	1
2619 # endif /* ! STDOUT_FILENO */
2620 
2621 # ifndef STDERR_FILENO
2622 #  define STDERR_FILENO	2
2623 # endif /* ! STDERR_FILENO */
2624 
2625 # ifndef LOCK_SH
2626 #  define LOCK_SH	0x01	/* shared lock */
2627 #  define LOCK_EX	0x02	/* exclusive lock */
2628 #  define LOCK_NB	0x04	/* non-blocking lock */
2629 #  define LOCK_UN	0x08	/* unlock */
2630 # endif /* ! LOCK_SH */
2631 
2632 # ifndef S_IXOTH
2633 #  define S_IXOTH	(S_IEXEC >> 6)
2634 # endif /* ! S_IXOTH */
2635 
2636 # ifndef S_IXGRP
2637 #  define S_IXGRP	(S_IEXEC >> 3)
2638 # endif /* ! S_IXGRP */
2639 
2640 # ifndef S_IXUSR
2641 #  define S_IXUSR	(S_IEXEC)
2642 # endif /* ! S_IXUSR */
2643 
2644 #ifndef O_ACCMODE
2645 # define O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
2646 #endif /* ! O_ACCMODE */
2647 
2648 # ifndef SEEK_SET
2649 #  define SEEK_SET	0
2650 #  define SEEK_CUR	1
2651 #  define SEEK_END	2
2652 # endif /* ! SEEK_SET */
2653 
2654 # ifndef SIG_ERR
2655 #  define SIG_ERR	((void (*)()) -1)
2656 # endif /* ! SIG_ERR */
2657 
2658 # ifndef WEXITSTATUS
2659 #  define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2660 # endif /* ! WEXITSTATUS */
2661 # ifndef WIFEXITED
2662 #  define WIFEXITED(st)		(((st) & 0377) == 0)
2663 # endif /* ! WIFEXITED */
2664 # ifndef WIFSTOPPED
2665 #  define WIFSTOPPED(st)		(((st) & 0100) == 0)
2666 # endif /* ! WIFSTOPPED */
2667 # ifndef WCOREDUMP
2668 #  define WCOREDUMP(st)		(((st) & 0200) != 0)
2669 # endif /* ! WCOREDUMP */
2670 # ifndef WTERMSIG
2671 #  define WTERMSIG(st)		(((st) & 0177))
2672 # endif /* ! WTERMSIG */
2673 
2674 # ifndef SIGFUNC_DEFINED
2675 typedef void		(*sigfunc_t) __P((int));
2676 # endif /* ! SIGFUNC_DEFINED */
2677 # ifndef SIGFUNC_RETURN
2678 #  define SIGFUNC_RETURN
2679 # endif /* ! SIGFUNC_RETURN */
2680 # ifndef SIGFUNC_DECL
2681 #  define SIGFUNC_DECL	void
2682 # endif /* ! SIGFUNC_DECL */
2683 
2684 /* size of syslog buffer */
2685 # ifndef SYSLOG_BUFSIZE
2686 #  define SYSLOG_BUFSIZE	1024
2687 # endif /* ! SYSLOG_BUFSIZE */
2688 
2689 /*
2690 **  Size of prescan buffer.
2691 **	Despite comments in the _sendmail_ book, this probably should
2692 **	not be changed; there are some hard-to-define dependencies.
2693 */
2694 
2695 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2696 
2697 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
2698 # ifndef FORK
2699 #  define FORK		fork		/* function to call to fork mailer */
2700 # endif /* ! FORK */
2701 
2702 /* setting h_errno */
2703 # ifndef SM_SET_H_ERRNO
2704 #  define SM_SET_H_ERRNO(err)	h_errno = (err)
2705 # endif /* SM_SET_H_ERRNO */
2706 
2707 # ifndef SM_CONF_GETOPT
2708 #  define SM_CONF_GETOPT	1
2709 # endif /* ! SM_CONF_GETOPT */
2710 
2711 /* random routine -- set above using #ifdef _osname_ or in Makefile */
2712 # if HASRANDOM
2713 #  define get_random()	random()
2714 # else /* HASRANDOM */
2715 #  define get_random()	((long) rand())
2716 #  ifndef RANDOMSHIFT
2717 #   define RANDOMSHIFT	8
2718 #  endif /* ! RANDOMSHIFT */
2719 # endif /* HASRANDOM */
2720 
2721 /*
2722 **  Default to using scanf in readcf.
2723 */
2724 
2725 # ifndef SCANF
2726 #  define SCANF		1
2727 # endif /* ! SCANF */
2728 
2729 /* XXX  32 bit type */
2730 # ifndef SM_INT32
2731 #  define SM_INT32	int32_t
2732 # endif /* ! SM_INT32 */
2733 
2734 /*
2735 **  SVr4 and similar systems use different routines for setjmp/longjmp
2736 **  with signal support
2737 */
2738 
2739 # if USE_SIGLONGJMP
2740 #  ifdef jmp_buf
2741 #   undef jmp_buf
2742 #  endif /* jmp_buf */
2743 #  define jmp_buf		sigjmp_buf
2744 #  ifdef setjmp
2745 #   undef setjmp
2746 #  endif /* setjmp */
2747 #  define setjmp(env)		sigsetjmp(env, 1)
2748 #  ifdef longjmp
2749 #   undef longjmp
2750 #  endif /* longjmp */
2751 #  define longjmp(env, val)	siglongjmp(env, val)
2752 # endif /* USE_SIGLONGJMP */
2753 
2754 # if !defined(NGROUPS_MAX) && defined(NGROUPS)
2755 #  define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
2756 # endif /* !defined(NGROUPS_MAX) && defined(NGROUPS) */
2757 
2758 /*
2759 **  Some snprintf() implementations are rumored not to NUL terminate.
2760 */
2761 # if SNPRINTF_IS_BROKEN
2762 #  ifdef snprintf
2763 #   undef snprintf
2764 #  endif /* snprintf */
2765 #  define snprintf	sm_snprintf
2766 #  ifdef vsnprintf
2767 #   undef vsnprintf
2768 #  endif /* vsnprintf */
2769 #  define vsnprintf	sm_vsnprintf
2770 # endif /* SNPRINTF_IS_BROKEN */
2771 
2772 /*
2773 **  If we don't have a system syslog, simulate it.
2774 */
2775 
2776 # if !LOG
2777 #  define LOG_EMERG	0	/* system is unusable */
2778 #  define LOG_ALERT	1	/* action must be taken immediately */
2779 #  define LOG_CRIT	2	/* critical conditions */
2780 #  define LOG_ERR	3	/* error conditions */
2781 #  define LOG_WARNING	4	/* warning conditions */
2782 #  define LOG_NOTICE	5	/* normal but significant condition */
2783 #  define LOG_INFO	6	/* informational */
2784 #  define LOG_DEBUG	7	/* debug-level messages */
2785 # endif /* !LOG */
2786 
2787 # ifndef SM_CONF_SYSLOG
2788 #  define SM_CONF_SYSLOG 1	/* syslog.h has prototype for syslog() */
2789 # endif /* SM_CONF_SYSLOG */
2790 
2791 # if !SM_CONF_SYSLOG
2792 #   ifdef __STDC__
2793 extern void	syslog(int, const char *, ...);
2794 #   else /* __STDC__ */
2795 extern void	syslog();
2796 #   endif /* __STDC__ */
2797 # endif /* !SM_CONF_SYSLOG */
2798 
2799 /* portable(?) definition for alignment */
2800 # ifndef SM_ALIGN_SIZE
2801 struct sm_align
2802 {
2803 	char al_c;
2804 	union
2805 	{
2806 		long	al_l;
2807 		void	*al_p;
2808 		double	al_d;
2809 		void	(*al_f)();
2810 	} al_u;
2811 };
2812 #  define SM_ALIGN_SIZE offsetof(struct sm_align, al_u)
2813 # endif /* ! SM_ALIGN_SIZE */
2814 # define SM_ALIGN_BITS (SM_ALIGN_SIZE - 1)
2815 
2816 #endif /* ! SM_CONF_H */
2817