xref: /freebsd/contrib/sendmail/include/sm/conf.h (revision 3ff369fed2a08f32dda232c10470b949bef9489f)
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 1.88 2002/05/01 16:09:41 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 #   include <standards.h>
613 #   if _XOPEN_SOURCE+0 >= 400
614 #    define HASFLOCK	0	/* 5.0 and later has bad flock(2) call */
615 #   else /* _XOPEN_SOURCE+0 >= 400 */
616 #    define HASFLOCK	1	/* has flock(2) call */
617 #   endif /* _XOPEN_SOURCE+0 >= 400 */
618 #  endif /* ! HASFLOCK */
619 #  define LA_TYPE	LA_ALPHAOSF
620 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statfs() impl */
621 #  ifndef _PATH_VENDOR_CF
622 #   define _PATH_VENDOR_CF	"/var/adm/sendmail/sendmail.cf"
623 #  endif /* ! _PATH_VENDOR_CF */
624 #  ifndef _PATH_SENDMAILPID
625 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
626 #  endif /* ! _PATH_SENDMAILPID */
627 #  if _FFR_DIGUNIX_SAFECHOWN
628 /*
629 **  Testing on a Digital UNIX 4.0a system showed this to be the correct
630 **  setting but given the security consequences, more testing and
631 **  verification is needed.  Unfortunately, the man page offers no
632 **  assistance.
633 */
634 #   define IS_SAFE_CHOWN >= 0
635 #  endif /* _FFR_DIGUNIX_SAFECHOWN */
636 # endif /* __osf__ */
637 
638 
639 /*
640 **  NeXTstep
641 */
642 
643 # ifdef NeXT
644 #  define HASINITGROUPS	1	/* has initgroups(3) call */
645 #  define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
646 #  ifndef HASFLOCK
647 #   define HASFLOCK	1	/* has flock(2) call */
648 #  endif /* ! HASFLOCK */
649 #  define UID_T		int	/* compiler gripes on uid_t */
650 #  define GID_T		int	/* ditto for gid_t */
651 #  define MODE_T	int	/* and mode_t */
652 #  define setpgid	setpgrp
653 #  ifndef NOT_SENDMAIL
654 #   define sleep		sleepX
655 #  endif /* ! NOT_SENDMAIL */
656 #  ifndef LA_TYPE
657 #   define LA_TYPE	LA_MACH
658 #  endif /* ! LA_TYPE */
659 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
660 #  ifdef _POSIX_SOURCE
661 extern struct passwd	*getpwent();
662 #  else /* _POSIX_SOURCE */
663 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
664 #   define WAITUNION	1	/* use "union wait" as wait argument type */
665 typedef int		pid_t;
666 #   undef WEXITSTATUS
667 #   undef WIFEXITED
668 #   undef WIFSTOPPED
669 #   undef WTERMSIG
670 #  endif /* _POSIX_SOURCE */
671 #  ifndef _PATH_VENDOR_CF
672 #   define _PATH_VENDOR_CF	"/etc/sendmail/sendmail.cf"
673 #  endif /* ! _PATH_VENDOR_CF */
674 #  ifndef _PATH_SENDMAILPID
675 #   define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
676 #  endif /* ! _PATH_SENDMAILPID */
677 #  define SM_INT32	int	/* 32bit integer */
678 
679 #  ifdef TCPWRAPPERS
680 #   ifndef HASUNSETENV
681 #    define HASUNSETENV	1
682 #   endif /* ! HASUNSETENV */
683 #   undef NEEDPUTENV
684 #  endif /* TCPWRAPPERS */
685 #  ifndef __APPLE__
686 #   include <libc.h>
687 #   ifndef S_IRUSR
688 #    define S_IRUSR	S_IREAD
689 #   endif /* ! S_IRUSR */
690 #   ifndef S_IWUSR
691 #    define S_IWUSR	S_IWRITE
692 #   endif /* ! S_IWUSR */
693 #   define _PATH_MAILDIR	"/usr/spool/mail"
694 #  endif /* ! __APPLE__ */
695 #  ifndef isascii
696 #   define isascii(c)	((unsigned)(c) <= 0177)
697 #  endif /* ! isascii */
698 # endif /* NeXT */
699 
700 /*
701 **  Apple Rhapsody
702 **	Contributed by Wilfredo Sanchez <wsanchez@apple.com>
703 **
704 **	Also used for Apple Darwin support.
705 */
706 
707 # if defined(DARWIN)
708 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
709 #  define HASFLOCK	1	/* has flock(2) syscall */
710 #  define HASUNAME	1	/* has uname(2) syscall */
711 #  define HASUNSETENV	1
712 #  define HASSETSID	1	/* has the setsid(2) POSIX syscall */
713 #  define HASINITGROUPS	1
714 #  define HASSETVBUF	1
715 #  define HASSETREUID	0
716 #  define HASSETEUID	1
717 #  define USESETEUID	1	/* has usable seteuid(2) call */
718 #  define HASLSTAT	1
719 #  define HASSETRLIMIT	1
720 #  define HASWAITPID	1
721 #  define HASSTRERROR	1	/* has strerror(3) */
722 #  define HASGETDTABLESIZE	1
723 #  define HASGETUSERSHELL	1
724 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
725 #  define BSD4_4_SOCKADDR	/* has sa_len */
726 #  define NETLINK	1	/* supports AF_LINK */
727 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
728 #  define GIDSET_T	gid_t
729 #  define LA_TYPE	LA_SUBR		/* use getloadavg(3) */
730 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
731 #  define SPT_TYPE	SPT_PSSTRINGS
732 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
733 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
734 #  ifndef NOT_SENDMAIL
735 #   define sleep		sleepX
736 #  endif /* ! NOT_SENDMAIL */
737 # endif /* defined(DARWIN) */
738 
739 
740 /*
741 **  4.4 BSD
742 **
743 **	See also BSD defines.
744 */
745 
746 # if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__)
747 #  include <paths.h>
748 #  define HASUNSETENV	1	/* has unsetenv(3) call */
749 #  define USESETEUID	1	/* has usable seteuid(2) call */
750 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
751 #  define HASFCHOWN	1	/* has fchown(2) syscall */
752 #  define HASSTRERROR	1	/* has strerror(3) */
753 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
754 #  include <sys/cdefs.h>
755 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
756 #  define BSD4_4_SOCKADDR	/* has sa_len */
757 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
758 #  define NETLINK	1	/* supports AF_LINK */
759 #  ifndef LA_TYPE
760 #   define LA_TYPE	LA_SUBR
761 #  endif /* ! LA_TYPE */
762 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
763 #  define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
764 # endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) */
765 
766 
767 /*
768 **  BSD/OS (was BSD/386) (all versions)
769 **	From Tony Sanders, BSDI
770 */
771 
772 # ifdef __bsdi__
773 #  include <paths.h>
774 #  define HASUNSETENV	1	/* has the unsetenv(3) call */
775 #  define HASSETREUID	0	/* BSD-OS has broken setreuid(2) emulation */
776 #  define HASSETSID	1	/* has the setsid(2) POSIX syscall */
777 #  define USESETEUID	1	/* has usable seteuid(2) call */
778 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
779 #  define HASSETLOGIN	1	/* has setlogin(2) */
780 #  define HASUNAME	1	/* has uname(2) syscall */
781 #  define HASSTRERROR	1	/* has strerror(3) */
782 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
783 #  include <sys/cdefs.h>
784 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
785 #  define BSD4_4_SOCKADDR	/* has sa_len */
786 #  define NETLINK	1	/* supports AF_LINK */
787 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
788 #  ifndef LA_TYPE
789 #   define LA_TYPE	LA_SUBR
790 #  endif /* ! LA_TYPE */
791 #  define GIDSET_T	gid_t
792 #  define QUAD_T		quad_t
793 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
794 			/* version 1.1 or later */
795 #   undef SPT_TYPE
796 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
797 #  else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
798 			/* version 1.0 or earlier */
799 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
800 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
801 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701	/* on 3.x */
802 #   define HASSETUSERCONTEXT 1	/* has setusercontext */
803 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 */
804 #  if defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701	/* 3.1 and earlier */
805 #   define MODE_T	int	/* va_arg() can't handle less than int */
806 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701 */
807 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910	/* on 4.x */
808 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
809 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910 */
810 # endif /* __bsdi__ */
811 
812 
813 /*
814 **  QNX 4.2x
815 **	Contributed by Glen McCready <glen@qnx.com>.
816 **
817 **	Should work with all versions of QNX.
818 */
819 
820 # if defined(__QNX__)
821 #  include <unix.h>
822 #  include <sys/select.h>
823 #  undef NGROUPS_MAX
824 #  define HASSETSID	1	/* has the setsid(2) POSIX syscall */
825 #  define USESETEUID	1	/* has usable seteuid(2) call */
826 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
827 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
828 #  define HASSETREUID	1	/* has setreuid(2) call */
829 #  define HASSTRERROR	1	/* has strerror(3) */
830 #  define HASFLOCK	0
831 #  undef HASINITGROUPS		/* has initgroups(3) call */
832 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
833 #  define IP_SRCROUTE	1	/* can check IP source routing */
834 #  define TZ_TYPE	TZ_TMNAME	/* use tmname variable */
835 #  define GIDSET_T	gid_t
836 #  define LA_TYPE	LA_ZERO
837 #  define SFS_TYPE	SFS_NONE
838 #  define SPT_TYPE	SPT_REUSEARGV
839 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
840 #  define HASGETUSERSHELL 0
841 #  define E_PSEUDOBASE	512
842 #  define _FILE_H_INCLUDED
843 # endif /* defined(__QNX__) */
844 
845 
846 /*
847 **  FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
848 **
849 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
850 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
851 **
852 **	See also BSD defines.
853 */
854 
855 # if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
856 #  include <paths.h>
857 #  define HASUNSETENV	1	/* has unsetenv(3) call */
858 #  define HASSETSID	1	/* has the setsid(2) POSIX syscall */
859 #  define USESETEUID	1	/* has usable seteuid(2) call */
860 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
861 #  define HASFCHOWN	1	/* fchown(2) */
862 #  define HASUNAME	1	/* has uname(2) syscall */
863 #  define HASSTRERROR	1	/* has strerror(3) */
864 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
865 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
866 #  include <sys/cdefs.h>
867 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
868 #  define BSD4_4_SOCKADDR	/* has sa_len */
869 #  define NETLINK	1	/* supports AF_LINK */
870 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
871 #  define GIDSET_T	gid_t
872 #  define QUAD_T		unsigned long long
873 #  ifndef LA_TYPE
874 #   define LA_TYPE	LA_SUBR
875 #  endif /* ! LA_TYPE */
876 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
877 #  if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
878 #   undef SPT_TYPE
879 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
880 #  endif /* defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1) */
881 #  if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3))
882 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
883 #  endif /* defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3)) */
884 #  if defined(__FreeBSD__)
885 #   define HASSETLOGIN	1	/* has setlogin(2) */
886 #   if __FreeBSD_version >= 227001
887 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
888 #    define HASURANDOMDEV	1	/* has /dev/urandom(4) */
889 #   endif /* __FreeBSD_version >= 227001 */
890 #   undef SPT_TYPE
891 #   if __FreeBSD__ >= 2
892 #    include <osreldate.h>
893 #    if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
894 #     include <libutil.h>
895 #     define SPT_TYPE	SPT_BUILTIN
896 #    endif /* __FreeBSD_version >= 199512 */
897 #    if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
898 #     define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
899 #    endif /* __FreeBSD_version >= 222000 */
900 #    if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
901 #     define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
902 #     define SMRSH_PATH		"/bin:/usr/bin"
903 #    endif /* __FreeBSD_version >= 330000 */
904 #    define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
905 #    include <sys/sysctl.h>
906 #   endif /* __FreeBSD__ >= 2 */
907 #   ifndef SPT_TYPE
908 #    define SPT_TYPE	SPT_REUSEARGV
909 #    define SPT_PADCHAR	'\0'		/* pad process title with nulls */
910 #   endif /* ! SPT_TYPE */
911 #  endif /* defined(__FreeBSD__) */
912 #  if defined(__OpenBSD__)
913 #   undef SPT_TYPE
914 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
915 #   define HASSETLOGIN	1	/* has setlogin(2) */
916 #   define HASSETREUID	0	/* OpenBSD has broken setreuid(2) emulation */
917 #   define HASSETEGID	1	/* use setegid(2) to set saved gid */
918 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
919 #   if OpenBSD >= 200006
920 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
921 #   endif /* OpenBSD >= 200006 */
922 #   if OpenBSD >= 200012
923 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
924 #   endif /* OpenBSD >= 200012 */
925 #  endif /* defined(__OpenBSD__) */
926 # endif /* defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
927 
928 
929 /*
930 **  Mach386
931 **
932 **	For mt Xinu's Mach386 system.
933 */
934 
935 # if defined(MACH) && defined(i386) && !defined(__GNU__)
936 #  define MACH386	1
937 #  define HASUNSETENV	1	/* has unsetenv(3) call */
938 #  define HASINITGROUPS	1	/* has initgroups(3) call */
939 #  ifndef HASFLOCK
940 #   define HASFLOCK	1	/* has flock(2) call */
941 #  endif /* ! HASFLOCK */
942 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
943 #  define NEEDSTRTOL	1	/* need the strtol() function */
944 #  define setpgid	setpgrp
945 #  ifndef LA_TYPE
946 #   define LA_TYPE	LA_FLOAT
947 #  endif /* ! LA_TYPE */
948 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
949 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
950 #  undef WEXITSTATUS
951 #  undef WIFEXITED
952 #  ifndef _PATH_VENDOR_CF
953 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
954 #  endif /* ! _PATH_VENDOR_CF */
955 #  ifndef _PATH_SENDMAILPID
956 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
957 #  endif /* ! _PATH_SENDMAILPID */
958 # endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
959 
960 
961 
962 /*
963 **  GNU OS (hurd)
964 **	Largely BSD & posix compatible.
965 **	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
966 **	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
967 */
968 
969 # if defined(__GNU__) && !defined(NeXT)
970 #  include <paths.h>
971 #  define HASFCHMOD	1	/* has fchmod(2) call */
972 #  define HASFCHOWN	1	/* has fchown(2) call */
973 #  define HASUNAME	1	/* has uname(2) call */
974 #  define HASUNSETENV	1	/* has unsetenv(3) call */
975 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
976 #  define HASSTRERROR	1	/* has strerror(3) */
977 #  define GIDSET_T	gid_t
978 #  define SOCKADDR_LEN_T	socklen_t
979 #  define SOCKOPT_LEN_T	socklen_t
980 #  if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
981 #   define LA_TYPE	LA_SUBR
982 #  else /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
983 #   define LA_TYPE	LA_MACH
984    /* GNU uses mach[34], which renames some rpcs from mach2.x. */
985 #   define host_self	mach_host_self
986 #  endif /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
987 #  define SFS_TYPE	SFS_STATFS
988 #  define SPT_TYPE	SPT_CHANGEARGV
989 #  define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
990 #  define BSD4_4_SOCKADDR	1	/* has sa_len */
991 #  define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
992 #  define HAS_IN_H	1	/* GNU has netinet/in.h. */
993 /* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
994 #  define MAXPATHLEN	2048
995 # endif /* defined(__GNU__) && !defined(NeXT) */
996 
997 /*
998 **  4.3 BSD -- this is for very old systems
999 **
1000 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
1001 **
1002 **	You'll also have to install a new resolver library.
1003 **	I don't guarantee that support for this environment is complete.
1004 */
1005 
1006 # if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1007 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1008 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1009 #  define ARBPTR_T	char *
1010 #  define setpgid	setpgrp
1011 #  ifndef LA_TYPE
1012 #   define LA_TYPE	LA_FLOAT
1013 #  endif /* ! LA_TYPE */
1014 #  ifndef _PATH_VENDOR_CF
1015 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1016 #  endif /* ! _PATH_VENDOR_CF */
1017 #  ifndef IDENTPROTO
1018 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1019 #  endif /* ! IDENTPROTO */
1020 #  undef WEXITSTATUS
1021 #  undef WIFEXITED
1022 typedef short		pid_t;
1023 # endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1024 
1025 
1026 /*
1027 **  SCO Unix
1028 **
1029 **	This includes three parts:
1030 **
1031 **	The first is for SCO OpenServer 5.
1032 **	(Contributed by Keith Reynolds <keithr@sco.COM>).
1033 **
1034 **		SCO OpenServer 5 has a compiler version number macro,
1035 **		which we can use to figure out what version we're on.
1036 **		This may have to change in future releases.
1037 **
1038 **	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1039 **	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1040 **
1041 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1042 */
1043 
1044 /* SCO OpenServer 5 */
1045 # if _SCO_DS >= 1
1046 #  include <paths.h>
1047 #  define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1048 #  define HASFCHMOD	1	/* has fchmod(2) call */
1049 #  define HASFCHOWN	1	/* has fchown(2) call */
1050 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1051 #  define USESETEUID	1	/* has seteuid(2) call */
1052 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1053 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1054 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1055 #  define LDA_USE_LOCKF	1
1056 #  ifndef LA_TYPE
1057 #   define LA_TYPE	LA_DEVSHORT
1058 #  endif /* ! LA_TYPE */
1059 #  define _PATH_AVENRUN	"/dev/table/avenrun"
1060 #  ifndef _SCO_unix_4_2
1061 #   define _SCO_unix_4_2
1062 #  else /* ! _SCO_unix_4_2 */
1063 #   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1064 #   define SOCKOPT_LEN_T		size_t	/* arg#5 to getsockopt */
1065 #  endif /* ! _SCO_unix_4_2 */
1066 # endif /* _SCO_DS >= 1 */
1067 
1068 /* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1069 # ifdef _SCO_unix_4_2
1070 #  define _SCO_unix_
1071 #  define HASSETREUID	1	/* has setreuid(2) call */
1072 # endif /* _SCO_unix_4_2 */
1073 
1074 /* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1075 # ifdef _SCO_unix_
1076 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1077 #  define SYSTEM5	1	/* include all the System V defines */
1078 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1079 #  define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1080 #  ifndef USE_SIGLONGJMP
1081 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1082 #  endif /* ! USE_SIGLONGJMP */
1083 #  define MAXPATHLEN	PATHSIZE
1084 #  define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1085 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1086 #  define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1087 #  define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1088 #  define UID_T		uid_t
1089 #  define GID_T		gid_t
1090 #  define GIDSET_T	gid_t
1091 #  define _PATH_UNIX		"/unix"
1092 #  ifndef _PATH_VENDOR_CF
1093 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1094 #  endif /* ! _PATH_VENDOR_CF */
1095 #  ifndef _PATH_SENDMAILPID
1096 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1097 #  endif /* ! _PATH_SENDMAILPID */
1098 
1099 /* stuff fixed in later releases */
1100 #  ifndef _SCO_unix_4_2
1101 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1102 #  endif /* ! _SCO_unix_4_2 */
1103 
1104 #  ifndef _SCO_DS
1105 #   define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1106 #   define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1107 #   define NETUNIX	0	/* no unix domain socket support */
1108 #   define LA_TYPE	LA_SHORT
1109 #  endif /* ! _SCO_DS */
1110 
1111 # endif /* _SCO_unix_ */
1112 
1113 /*
1114 **  ISC (SunSoft) Unix.
1115 **
1116 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1117 */
1118 
1119 # ifdef ISC_UNIX
1120 #  include <net/errno.h>
1121 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1122 #  include <sys/bsdtypes.h>
1123 #  define SYSTEM5	1	/* include all the System V defines */
1124 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1125 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1126 #  define HASSETREUID	1	/* has setreuid(2) call */
1127 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1128 #  define NETUNIX	0	/* no unix domain socket support */
1129 #  define MAXPATHLEN	1024
1130 #  define LA_TYPE	LA_SHORT
1131 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1132 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1133 #  define _PATH_UNIX		"/unix"
1134 #  ifndef _PATH_VENDOR_CF
1135 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1136 #  endif /* ! _PATH_VENDOR_CF */
1137 #  ifndef _PATH_SENDMAILPID
1138 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1139 #  endif /* ! _PATH_SENDMAILPID */
1140 # endif /* ISC_UNIX */
1141 
1142 
1143 /*
1144 **  Altos System V (5.3.1)
1145 **	Contributed by Tim Rice <tim@trr.metro.net>.
1146 */
1147 
1148 # ifdef ALTOS_SYSTEM_V
1149 #  include <sys/stream.h>
1150 #  include <limits.h>
1151 #  define SYSTEM5	1	/* include all the System V defines */
1152 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1153 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1154 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1155 #  define NEEDFSYNC	1	/* no fsync(2) in system library */
1156 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1157 #  define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1158 #  define MAXPATHLEN	PATH_MAX
1159 #  define LA_TYPE	LA_SHORT
1160 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1161 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1162 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1163 #  define NETUNIX	0	/* no unix domain socket support */
1164 #  undef WIFEXITED
1165 #  undef WEXITSTATUS
1166 #  define strtoul	strtol	/* gcc library bogosity */
1167 
1168 typedef unsigned short	uid_t;
1169 typedef unsigned short	gid_t;
1170 typedef short		pid_t;
1171 typedef unsigned long	mode_t;
1172 
1173 /* some stuff that should have been in the include files */
1174 extern char		*malloc();
1175 extern struct passwd	*getpwent();
1176 extern struct passwd	*getpwnam();
1177 extern struct passwd	*getpwuid();
1178 extern char		*getenv();
1179 extern struct group	*getgrgid();
1180 extern struct group	*getgrnam();
1181 
1182 # endif /* ALTOS_SYSTEM_V */
1183 
1184 
1185 /*
1186 **  ConvexOS 11.0 and later
1187 **
1188 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1189 **	works on 9.1 as well.
1190 **
1191 **  ConvexOS 11.5 and later, should work on 11.0 as defined.
1192 **  For pre-ConvexOOS 11.0, define SM_CONF_GETOPT=0, undef IDENTPROTO
1193 **
1194 **	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1195 **		(now the CONVEX Technologies Center of Hewlett Packard)
1196 */
1197 
1198 # ifdef _CONVEX_SOURCE
1199 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1200 #  define HASINITGROUPS	1	/* has initgroups(3) */
1201 #  define HASUNAME	1	/* use System V uname(2) system call */
1202 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1203 #  define HASUNSETENV	1	/* has unsetenv(3) */
1204 #  define HASFLOCK	1	/* has flock(2) */
1205 #  define HASSETRLIMIT	1	/* has setrlimit(2) */
1206 #  define HASSETREUID	1	/* has setreuid(2) */
1207 #  define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1208 #  define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1209 #  define SM_CONF_GETOPT	1	/* need a replacement for getopt(3) */
1210 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1211 #  define LA_TYPE	LA_FLOAT
1212 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1213 #  ifndef _PATH_VENDOR_CF
1214 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1215 #  endif /* ! _PATH_VENDOR_CF */
1216 #  ifndef S_IREAD
1217 #   define S_IREAD	_S_IREAD
1218 #   define S_IWRITE	_S_IWRITE
1219 #   define S_IEXEC	_S_IEXEC
1220 #   define S_IFMT	_S_IFMT
1221 #   define S_IFCHR	_S_IFCHR
1222 #   define S_IFBLK	_S_IFBLK
1223 #  endif /* ! S_IREAD */
1224 #  ifndef TZ_TYPE
1225 #   define TZ_TYPE	TZ_TIMEZONE
1226 #  endif /* ! TZ_TYPE */
1227 #  ifndef IDENTPROTO
1228 #   define IDENTPROTO	1
1229 #  endif /* ! IDENTPROTO */
1230 #  ifndef SHARE_V1
1231 #   define SHARE_V1	1	/* version 1 of the fair share scheduler */
1232 #  endif /* ! SHARE_V1 */
1233 #  if !defined(__GNUC__ )
1234 #   define UID_T	int		/* GNUC gets it right, ConvexC botches */
1235 #   define GID_T	int		/* GNUC gets it right, ConvexC botches */
1236 #  endif /* !defined(__GNUC__ ) */
1237 #  if SECUREWARE
1238 #   define FORK	fork		/* SecureWare wants the real fork! */
1239 #  else /* SECUREWARE */
1240 #   define FORK	vfork		/* the rest of the OS versions don't care */
1241 #  endif /* SECUREWARE */
1242 # endif /* _CONVEX_SOURCE */
1243 
1244 
1245 /*
1246 **  RISC/os 4.52
1247 **
1248 **	Gives a ton of warning messages, but otherwise compiles.
1249 */
1250 
1251 # ifdef RISCOS
1252 
1253 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1254 #  ifndef HASFLOCK
1255 #   define HASFLOCK	1	/* has flock(2) call */
1256 #  endif /* ! HASFLOCK */
1257 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1258 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1259 #  define NEEDPUTENV	1	/* need putenv(3) call */
1260 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1261 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1262 #  define LA_TYPE	LA_INT
1263 #  define LA_AVENRUN	"avenrun"
1264 #  define _PATH_UNIX	"/unix"
1265 #  undef WIFEXITED
1266 
1267 #  define setpgid	setpgrp
1268 
1269 typedef int		pid_t;
1270 #  define SIGFUNC_DEFINED
1271 #  define SIGFUNC_RETURN	(0)
1272 #  define SIGFUNC_DECL	int
1273 typedef int		(*sigfunc_t)();
1274 extern char		*getenv();
1275 extern void		*malloc();
1276 
1277 /* added for RISC/os 4.01...which is dumber than 4.50 */
1278 #  ifdef RISCOS_4_0
1279 #   ifndef ARBPTR_T
1280 #    define ARBPTR_T	char *
1281 #   endif /* ! ARBPTR_T */
1282 #   undef HASFLOCK
1283 #   define HASFLOCK	0
1284 #  endif /* RISCOS_4_0 */
1285 
1286 #  include <sys/time.h>
1287 
1288 # endif /* RISCOS */
1289 
1290 
1291 /*
1292 **  Linux 0.99pl10 and above...
1293 **
1294 **  Thanks to, in reverse order of contact:
1295 **
1296 **	John Kennedy <warlock@csuchico.edu>
1297 **	Andrew Pam <avatar@aus.xanadu.com>
1298 **	Florian La Roche <rzsfl@rz.uni-sb.de>
1299 **	Karl London <karl@borg.demon.co.uk>
1300 **
1301 **  Last compiled against:	[07/21/98 @ 11:47:34 AM (Tuesday)]
1302 **	sendmail 8.9.1		bind-8.1.2		db-2.4.14
1303 **	gcc-2.8.1		glibc-2.0.94		linux-2.1.109
1304 **
1305 **  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1306 **	file locking is no longer allowed.  In particular, make sure
1307 **	your DBM library and sendmail are both using either flock(2)
1308 **	*or* fcntl(2) file locking, but not both.
1309 */
1310 
1311 # ifdef __linux__
1312 #  include <linux/version.h>
1313 #  if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1314 #   define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1315 #  endif /* !defined(KERNEL_VERSION) */
1316 #  define BSD		1	/* include BSD defines */
1317 #  define HASSETREGID	1	/* use setregid(2) to set saved gid */
1318 #  ifndef REQUIRES_DIR_FSYNC
1319 #   define REQUIRES_DIR_FSYNC	1	/* requires fsync() on directory */
1320 #  endif /* REQUIRES_DIR_FSYNC */
1321 #  ifndef USESETEUID
1322 #   define USESETEUID	0	/* has it due to POSIX, but doesn't work */
1323 #  endif /* USESETEUID */
1324 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1325 #  define HASUNAME	1	/* use System V uname(2) system call */
1326 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1327 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1328 #  define GIDSET_T	gid_t	/* from <linux/types.h> */
1329 #  ifndef HASGETUSERSHELL
1330 #   define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1331 #  endif /* HASGETUSERSHELL */
1332 #  ifndef IP_SRCROUTE
1333 #   define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1334 #  endif /* ! IP_SRCROUTE */
1335 #  ifndef HAS_IN_H
1336 #   define HAS_IN_H	1	/* use netinet/in.h */
1337 #  endif /* ! HAS_IN_H */
1338 #  ifndef USE_SIGLONGJMP
1339 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1340 #  endif /* ! USE_SIGLONGJMP */
1341 #  ifndef HASFLOCK
1342 #   if LINUX_VERSION_CODE < 66399
1343 #    define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1344 #   else /* LINUX_VERSION_CODE < 66399 */
1345 #    define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1346 #   endif /* LINUX_VERSION_CODE < 66399 */
1347 #  endif /* ! HASFLOCK */
1348 #  ifndef LA_TYPE
1349 #   define LA_TYPE	LA_PROCSTR
1350 #  endif /* ! LA_TYPE */
1351 #  define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1352 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1353 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1354 #   ifndef HASURANDOMDEV
1355 #    define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1356 #   endif /* ! HASURANDOMDEV */
1357 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) */
1358 #  ifndef TZ_TYPE
1359 #   define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1360 #  endif /* ! TZ_TYPE */
1361 #  ifndef _PATH_SENDMAILPID
1362 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1363 #  endif /* ! _PATH_SENDMAILPID */
1364 #  include <sys/sysmacros.h>
1365 #  undef atol			/* wounded in <stdlib.h> */
1366 #  if NETINET6
1367    /*
1368    **  Linux doesn't have a good way to tell userland what interfaces are
1369    **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1370    **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1371    **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1372    */
1373 #   define ADDRCONFIG_IS_BROKEN	1
1374 
1375    /*
1376    **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1377    **  in 2.1 and later, but the APIs appear before the functions.
1378    */
1379 #   if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1380 #    define HASSTRERROR	1	/* has strerror(3) */
1381 #    define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__)
1382 #    if (GLIBC_VERSION >= 0x201)
1383 #     undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1384 #    else /* (GLIBC_VERSION >= 0x201) */
1385 #     include <linux/in6.h>	/* IPv6 support */
1386 #    endif /* (GLIBC_VERSION >= 0x201) */
1387 #    if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE))
1388      /* Have APIs in <netdb.h>, but no support in glibc */
1389 #     define NEEDSGETIPNODE	1
1390 #    endif /* (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE)) */
1391 #    undef GLIBC_VERSION
1392 #   endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1393 #  endif /* NETINET6 */
1394 #  ifndef HASFCHOWN
1395 #   define HASFCHOWN	1	/* fchown(2) */
1396 #  endif /* ! HASFCHOWN */
1397 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD)
1398 #    define HASFCHMOD	1	/* fchmod(2) */
1399 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD) */
1400 # endif /* __linux__ */
1401 
1402 
1403 /*
1404 **  DELL SVR4 Issue 2.2, and others
1405 **	From Kimmo Suominen <kim@grendel.lut.fi>
1406 **
1407 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1408 **	defined, and the definitions conflict.
1409 **
1410 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1411 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1412 **	(SVR4.0/386 version 3.0).
1413 */
1414 
1415 # ifdef DELL_SVR4
1416 				/* no changes necessary */
1417 				/* see general __svr4__ defines below */
1418 # endif /* DELL_SVR4 */
1419 
1420 
1421 /*
1422 **  Apple A/UX 3.0
1423 */
1424 
1425 # ifdef _AUX_SOURCE
1426 #  include <sys/sysmacros.h>
1427 #  define BSD			/* has BSD routines */
1428 #  define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1429 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1430 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1431 #  define HASUNAME	1	/* use System V uname(2) system call */
1432 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1433 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1434 #  define HASSETVBUF	1	/* has setvbuf(3) in libc */
1435 #  define HASSTRERROR	1	/* has strerror(3) */
1436 #  define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1437 #  define SIGFUNC_RETURN		/* POSIX-mode */
1438 #  define SIGFUNC_DECL	void	/* POSIX-mode */
1439 #  define ERRLIST_PREDEFINED	1
1440 #  ifndef IDENTPROTO
1441 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1442 #  endif /* ! IDENTPROTO */
1443 #  ifndef LA_TYPE
1444 #   define LA_TYPE	LA_INT
1445 #   define FSHIFT	16
1446 #  endif /* ! LA_TYPE */
1447 #  define LA_AVENRUN	"avenrun"
1448 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1449 #  define TZ_TYPE	TZ_TZNAME
1450 #  ifndef _PATH_UNIX
1451 #   define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1452 #  endif /* ! _PATH_UNIX */
1453 #  ifndef _PATH_VENDOR_CF
1454 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1455 #  endif /* ! _PATH_VENDOR_CF */
1456 #  undef WIFEXITED
1457 #  undef WEXITSTATUS
1458 # endif /* _AUX_SOURCE */
1459 
1460 
1461 /*
1462 **  Encore UMAX V
1463 **
1464 **	Not extensively tested.
1465 */
1466 
1467 # ifdef UMAXV
1468 #  define HASUNAME	1	/* use System V uname(2) system call */
1469 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1470 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1471 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1472 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1473 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1474 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1475 #  define MAXPATHLEN	PATH_MAX
1476 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1477 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1478 #  undef WIFEXITED
1479 #  undef WEXITSTATUS
1480 # endif /* UMAXV */
1481 
1482 
1483 /*
1484 **  Stardent Titan 3000 running TitanOS 4.2.
1485 **
1486 **	Must be compiled in "cc -43" mode.
1487 **
1488 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1489 **
1490 **	Note the tweaking below after the BSD defines are set.
1491 */
1492 
1493 # ifdef titan
1494 #  define setpgid	setpgrp
1495 typedef int		pid_t;
1496 #  undef WIFEXITED
1497 #  undef WEXITSTATUS
1498 # endif /* titan */
1499 
1500 
1501 /*
1502 **  Sequent DYNIX 3.2.0
1503 **
1504 **	From Jim Davis <jdavis@cs.arizona.edu>.
1505 */
1506 
1507 # ifdef sequent
1508 
1509 #  define BSD		1
1510 #  define HASUNSETENV	1
1511 #  define BSD4_3		1	/* to get signal() in conf.c */
1512 #  define WAITUNION	1
1513 #  define LA_TYPE	LA_FLOAT
1514 #  ifdef _POSIX_VERSION
1515 #   undef _POSIX_VERSION		/* set in <unistd.h> */
1516 #  endif /* _POSIX_VERSION */
1517 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1518 #  define setpgid	setpgrp
1519 
1520 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1521 #  undef	WIFEXITED
1522 #  define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1523 			 ((union wait*)&(s))->w_termsig == 0)
1524 #  define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1525 typedef int		pid_t;
1526 #  define isgraph(c)	(isprint(c) && (c != ' '))
1527 
1528 #  ifndef IDENTPROTO
1529 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1530 #  endif /* ! IDENTPROTO */
1531 
1532 #  ifndef _PATH_UNIX
1533 #   define _PATH_UNIX		"/dynix"
1534 #  endif /* ! _PATH_UNIX */
1535 #  ifndef _PATH_VENDOR_CF
1536 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1537 #  endif /* ! _PATH_VENDOR_CF */
1538 # endif /* sequent */
1539 
1540 
1541 /*
1542 **  Sequent DYNIX/ptx v2.0 (and higher)
1543 **
1544 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
1545 **
1546 **	From Tim Wright <timw@sequent.com>.
1547 **	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1548 **		for DYNIX/ptx 4.0.2.
1549 */
1550 
1551 # ifdef _SEQUENT_
1552 #  include <sys/stream.h>
1553 #  define SYSTEM5	1	/* include all the System V defines */
1554 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1555 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1556 #  define HASSETREUID	1	/* has setreuid(2) call */
1557 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1558 #  define GIDSET_T	gid_t
1559 #  define LA_TYPE	LA_INT
1560 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1561 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1562 #  ifndef IDENTPROTO
1563 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1564 #  endif /* ! IDENTPROTO */
1565 #  ifndef _PATH_VENDOR_CF
1566 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1567 #  endif /* ! _PATH_VENDOR_CF */
1568 #  ifndef _PATH_SENDMAILPID
1569 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1570 #  endif /* ! _PATH_SENDMAILPID */
1571 # endif /* _SEQUENT_ */
1572 
1573 
1574 /*
1575 **  Cray Unicos
1576 **
1577 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
1578 */
1579 
1580 # ifdef UNICOS
1581 #  define SYSTEM5	1	/* include all the System V defines */
1582 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1583 #  define MAXPATHLEN	PATHSIZE
1584 #  define LA_TYPE	LA_ZERO
1585 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1586 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1587 # endif /* UNICOS */
1588 
1589 
1590 /*
1591 **  Apollo DomainOS
1592 **
1593 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1594 **
1595 **  15 Jan 1994; updated 2 Aug 1995
1596 **
1597 */
1598 
1599 # ifdef apollo
1600 #  define HASSETREUID	1	/* has setreuid(2) call */
1601 #  define HASINITGROUPS	1	/* has initgroups(2) call */
1602 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1603 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1604 #  define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1605 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1606 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1607 #  define TZ_TYPE	TZ_TZNAME
1608 #  ifndef _PATH_VENDOR_CF
1609 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1610 #  endif /* ! _PATH_VENDOR_CF */
1611 #  ifndef _PATH_SENDMAILPID
1612 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1613 #  endif /* ! _PATH_SENDMAILPID */
1614 #  undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1615 #  undef	 S_IFIFO
1616 #  define S_IFIFO	0010000
1617 #  ifndef IDENTPROTO
1618 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1619 #  endif /* ! IDENTPROTO */
1620 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1621 #  if defined(NGROUPS_MAX) && !NGROUPS_MAX
1622 #   undef NGROUPS_MAX
1623 #  endif /* defined(NGROUPS_MAX) && !NGROUPS_MAX */
1624 # endif /* apollo */
1625 
1626 /*
1627 **  MPE-iX
1628 **
1629 **	Requires MPE 6.0 or greater.  See sendmail/README for more info.
1630 **
1631 **	From Mark Bixby <mark_bixby@hp.com> or <mark@bixby.org>.
1632 */
1633 
1634 # ifdef MPE
1635 
1636 #  include <sys/sysmacros.h>
1637 #  include <fcntl.h>
1638 
1639 /* Sendmail stuff */
1640 #  define HASFCHOWN		0	/* lacks fchown() */
1641 #  define HASGETUSERSHELL	0	/* lacks getusershell() */
1642 #  ifdef HASNICE
1643 #   undef  HASNICE
1644 #  endif /* HASNICE */
1645 #  define HASNICE		0	/* lacks nice() */
1646 #  define HASRANDOM		0	/* lacks random() */
1647 #  ifdef HASRRESVPORT
1648 #   undef HASRRESVPORT
1649 #  endif /* HASRRESVPORT */
1650 #  define HASRRESVPORT		0	/* lacks rresvport() */
1651 #  define IP_SRCROUTE		0	/* lacks IP source routing fields */
1652 #  ifdef MATCHGECOS
1653 #   undef MATCHGECOS
1654 #  endif /* MATCHGECOS */
1655 #  define MATCHGECOS		0	/* lacks an initialized GECOS field */
1656 #  define NEEDFSYNC		1	/* use sendmail's fsync() */
1657 #  define NEEDLINK		1	/* use sendmail's link() */
1658 #  define NOFTRUNCATE		1	/* lacks ftruncate() */
1659 #  define SFS_TYPE		SFS_NONE /* can't determine disk space */
1660 #  define SM_CONF_SYSLOG	0	/* use sendmail decl of syslog() */
1661 #  define USE_DOUBLE_FORK	0	/* don't fork an intermediate zombie */
1662 #  define USE_ENVIRON		1	/* use environ instead of envp */
1663 
1664 /* Missing header stuff */
1665 #  define AF_UNSPEC		0
1666 #  define AF_MAX		AF_INET
1667 #  define IFF_LOOPBACK		0x8
1668 #  define IN_LOOPBACKNET	127
1669 #  define MAXNAMLEN		NAME_MAX
1670 #  define S_IEXEC		S_IXUSR
1671 #  define S_IREAD		S_IRUSR
1672 #  define S_IWRITE		S_IWUSR
1673 
1674 /* Present header stuff that needs to be missing */
1675 #  undef NGROUPS_MAX
1676 
1677 /* Shadow functions */
1678 #  define bind		sendmail_mpe_bind
1679 #  define _exit		sendmail_mpe__exit
1680 #  define exit		sendmail_mpe_exit
1681 #  define fcntl		sendmail_mpe_fcntl
1682 #  define getegid	sendmail_mpe_getegid
1683 #  define geteuid	sendmail_mpe_geteuid
1684 #  define getpwnam	sendmail_mpe_getpwnam
1685 #  define getpwuid	sendmail_mpe_getpwuid
1686 #  define setgid	sendmail_mpe_setgid
1687 #  define setuid	sendmail_mpe_setuid
1688 extern int		sendmail_mpe_fcntl __P((int, int, ...));
1689 extern struct passwd *	sendmail_mpe_getpwnam __P((const char *));
1690 extern struct passwd *	sendmail_mpe_getpwuid __P((uid_t));
1691 # endif /* MPE */
1692 
1693 /*
1694 **  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1695 **
1696 **	Contributed by Paul Gampe <paulg@apnic.net>
1697 */
1698 
1699 # ifdef __svr5__
1700 #  include <sys/mkdev.h>
1701 #  define __svr4__
1702 #  define SYS5SIGNALS		1
1703 #  define HASFCHOWN		1	/* has fchown(2) call */
1704 #  define HASSETSID		1
1705 #  define HASSETREUID		1
1706 #  define HASWAITPID		1
1707 #  define HASGETDTABLESIZE	1
1708 #  define GIDSET_T		gid_t
1709 #  define SOCKADDR_LEN_T		size_t
1710 #  define SOCKOPT_LEN_T		size_t
1711 #  ifndef _PATH_UNIX
1712 #   define _PATH_UNIX		"/stand/unix"
1713 #  endif /* ! _PATH_UNIX */
1714 #  define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1715 #  ifndef SYSLOG_BUFSIZE
1716 #   define SYSLOG_BUFSIZE	1024	/* unsure */
1717 #  endif /* ! SYSLOG_BUFSIZE */
1718 #  ifndef _PATH_VENDOR_CF
1719 #   define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1720 #  endif /* ! _PATH_VENDOR_CF */
1721 #  ifndef _PATH_SENDMAILPID
1722 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1723 #  endif /* ! _PATH_SENDMAILPID */
1724 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1725 #if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT)
1726 # define SM_SET_H_ERRNO(err)	set_h_errno((err))
1727 #endif /* ! SM_SET_H_ERRNO && _REENTRANT */
1728 # endif /* __svr5__ */
1729 
1730 /* ###################################################################### */
1731 
1732 /*
1733 **  UnixWare 2.x
1734 */
1735 
1736 # ifdef UNIXWARE2
1737 #  define UNIXWARE	1
1738 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1739 # endif /* UNIXWARE2 */
1740 
1741 
1742 /*
1743 **  UnixWare 1.1.2.
1744 **
1745 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1746 **	From Evan Champion <evanc@spatial.synapse.org>.
1747 */
1748 
1749 # ifdef UNIXWARE
1750 #  include <sys/mkdev.h>
1751 #  define SYSTEM5		1
1752 #  define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1753 #  define HASSETREUID		1
1754 #  define HASSETSID		1
1755 #  define HASINITGROUPS		1
1756 #  define GIDSET_T		gid_t
1757 #  define SLEEP_T		unsigned
1758 #  define SFS_TYPE		SFS_STATVFS
1759 #  define LA_TYPE		LA_ZERO
1760 #  undef WIFEXITED
1761 #  undef WEXITSTATUS
1762 #  ifndef _PATH_UNIX
1763 #   define _PATH_UNIX		"/unix"
1764 #  endif /* ! _PATH_UNIX */
1765 #  ifndef _PATH_VENDOR_CF
1766 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1767 #  endif /* ! _PATH_VENDOR_CF */
1768 #  ifndef _PATH_SENDMAILPID
1769 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1770 #  endif /* ! _PATH_SENDMAILPID */
1771 #  define SYSLOG_BUFSIZE	128
1772 # endif /* UNIXWARE */
1773 
1774 
1775 /*
1776 **  Intergraph CLIX 3.1
1777 **
1778 **	From Paul Southworth <pauls@locust.cic.net>
1779 */
1780 
1781 # ifdef CLIX
1782 #  define SYSTEM5	1	/* looks like System V */
1783 #  ifndef HASGETUSERSHELL
1784 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1785 #  endif /* ! HASGETUSERSHELL */
1786 #  define DEV_BSIZE	512	/* device block size not defined */
1787 #  define GIDSET_T	gid_t
1788 #  undef LOG			/* syslog not available */
1789 #  define NEEDFSYNC	1	/* no fsync in system library */
1790 #  define GETSHORT	_getshort
1791 # endif /* CLIX */
1792 
1793 
1794 /*
1795 **  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
1796 **
1797 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1798 */
1799 
1800 # ifdef NCR_MP_RAS2
1801 #  include <sys/sockio.h>
1802 #  define __svr4__
1803 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1804 #  define SYSLOG_BUFSIZE	1024
1805 #  define SPT_TYPE  SPT_NONE
1806 # endif /* NCR_MP_RAS2 */
1807 
1808 
1809 /*
1810 **  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
1811 **
1812 **	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
1813 */
1814 
1815 # ifdef NCR_MP_RAS3
1816 #  define __svr4__
1817 #  define HASFCHOWN		1	/* has fchown(2) call */
1818 #  define LDA_USE_LOCKF		1
1819 #  define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
1820 #  define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
1821 #  define SYSLOG_BUFSIZE	1024
1822 #  define SPT_TYPE	SPT_NONE
1823 #  define _PATH_MAILDIR	"/var/mail"
1824 #  ifndef _XOPEN_SOURCE
1825 #   define _XOPEN_SOURCE
1826 #   define _XOPEN_SOURCE_EXTENDED 1
1827 #   include <sys/resource.h>
1828 #   undef _XOPEN_SOURCE
1829 #   undef _XOPEN_SOURCE_EXTENDED
1830 #  endif /* ! _XOPEN_SOURCE */
1831 # endif /* NCR_MP_RAS3 */
1832 
1833 
1834 /*
1835 **  Tandem NonStop-UX SVR4
1836 **
1837 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1838 */
1839 
1840 # ifdef NonStop_UX_BXX
1841 #  define __svr4__
1842 # endif /* NonStop_UX_BXX */
1843 
1844 
1845 /*
1846 **  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
1847 **
1848 **	Tested for 1.04, 1.03
1849 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1850 **
1851 **	Tested for 4.02, 6.10 and 7.10
1852 **	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
1853 */
1854 
1855 # if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
1856 #  define SYSTEM5	1	/* include all the System V defines */
1857 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1858 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1859 #  define setreuid(r, e)	setresuid(r, e, -1)
1860 #  define LA_TYPE	LA_FLOAT
1861 #  define SPT_TYPE	SPT_PSTAT
1862 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1863 #  ifndef HASSETVBUF
1864 #   define HASSETVBUF	/* HI-UX has no setlinebuf */
1865 #  endif /* ! HASSETVBUF */
1866 #  ifndef GIDSET_T
1867 #   define GIDSET_T	gid_t
1868 #  endif /* ! GIDSET_T */
1869 #  ifndef _PATH_UNIX
1870 #   define _PATH_UNIX		"/HI-UX"
1871 #  endif /* ! _PATH_UNIX */
1872 #  ifndef _PATH_VENDOR_CF
1873 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1874 #  endif /* ! _PATH_VENDOR_CF */
1875 #  ifndef IDENTPROTO
1876 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1877 #  endif /* ! IDENTPROTO */
1878 #  ifndef HASGETUSERSHELL
1879 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1880 #  endif /* ! HASGETUSERSHELL */
1881 #  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
1882 
1883 /*
1884 **  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
1885 **  on HIUX 3050
1886 */
1887 #  undef m_flags
1888 
1889 #  define SM_CONF_SYSLOG	0
1890 
1891 # endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
1892 
1893 
1894 /*
1895 **  Amdahl UTS System V 2.1.5 (SVr3-based)
1896 **
1897 **    From: Janet Jackson <janet@dialix.oz.au>.
1898 */
1899 
1900 # ifdef _UTS
1901 #  include <sys/sysmacros.h>
1902 #  undef HASLSTAT		/* has symlinks, but they cause problems */
1903 #  define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
1904 #  define SYS5SIGNALS	1	/* System V signal semantics */
1905 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1906 #  define HASUNAME	1	/* use System V uname(2) system call */
1907 #  define HASINITGROUPS	1	/* has initgroups(3) function */
1908 #  define HASSETVBUF	1	/* has setvbuf(3) function */
1909 #  ifndef HASGETUSERSHELL
1910 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
1911 #  endif /* ! HASGETUSERSHELL */
1912 #  define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
1913 #  define LA_TYPE	LA_ZERO		/* doesn't have load average */
1914 #  define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
1915 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1916 #  define _PATH_UNIX		"/unix"
1917 #  ifndef _PATH_VENDOR_CF
1918 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1919 #  endif /* ! _PATH_VENDOR_CF */
1920 # endif /* _UTS */
1921 
1922 /*
1923 **  Cray Computer Corporation's CSOS
1924 **
1925 **	From Scott Bolte <scott@craycos.com>.
1926 */
1927 
1928 # ifdef _CRAYCOM
1929 #  define SYSTEM5	1	/* include all the System V defines */
1930 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1931 #  define NEEDFSYNC	1	/* no fsync in system library */
1932 #  define MAXPATHLEN	PATHSIZE
1933 #  define LA_TYPE	LA_ZERO
1934 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1935 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1936 #  define _POSIX_CHOWN_RESTRICTED	-1
1937 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1938 # endif /* _CRAYCOM */
1939 
1940 
1941 /*
1942 **  Sony NEWS-OS 4.2.1R and 6.0.3
1943 **
1944 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
1945 */
1946 
1947 # ifdef sony_news
1948 #  ifndef __svr4
1949 			/* NEWS-OS 4.2.1R */
1950 #   ifndef BSD
1951 #    define BSD			/* has BSD routines */
1952 #   endif /* ! BSD */
1953 #   define HASUNSETENV	1	/* has unsetenv(2) call */
1954 #   undef HASSETVBUF		/* don't actually have setvbuf(3) */
1955 #   define WAITUNION	1	/* use "union wait" as wait argument type */
1956 #   define LA_TYPE	LA_INT
1957 #   define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
1958 #   ifndef HASFLOCK
1959 #    define HASFLOCK	1	/* has flock(2) call */
1960 #   endif /* ! HASFLOCK */
1961 #   define setpgid	setpgrp
1962 #   undef WIFEXITED
1963 #   undef WEXITSTATUS
1964 #   define MODE_T	int	/* system include files have no mode_t */
1965 typedef int		pid_t;
1966 typedef int		(*sigfunc_t)();
1967 #   define SIGFUNC_DEFINED
1968 #   define SIGFUNC_RETURN	(0)
1969 #   define SIGFUNC_DECL		int
1970 
1971 #  else /* ! __svr4 */
1972 			/* NEWS-OS 6.0.3 with /bin/cc */
1973 #   ifndef __svr4__
1974 #    define __svr4__		/* use all System V Release 4 defines below */
1975 #   endif /* ! __svr4__ */
1976 #   define HASSETSID	1	/* has Posix setsid(2) call */
1977 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
1978 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
1979 #   ifndef SPT_TYPE
1980 #    define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
1981 #   endif /* ! SPT_TYPE */
1982 #   define GIDSET_T	gid_t
1983 #   undef WIFEXITED
1984 #   undef WEXITSTATUS
1985 #   ifndef SYSLOG_BUFSIZE
1986 #    define SYSLOG_BUFSIZE	256
1987 #   endif /* ! SYSLOG_BUFSIZE */
1988 #   define _PATH_UNIX		"/stand/unix"
1989 #   ifndef _PATH_VENDOR_CF
1990 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
1991 #   endif /* ! _PATH_VENDOR_CF */
1992 #   ifndef _PATH_SENDMAILPID
1993 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
1994 #   endif /* ! _PATH_SENDMAILPID */
1995 
1996 #  endif /* ! __svr4 */
1997 # endif /* sony_news */
1998 
1999 
2000 /*
2001 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
2002 **
2003 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2004 */
2005 
2006 # ifdef luna
2007 #  ifndef IDENTPROTO
2008 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2009 #  endif /* ! IDENTPROTO */
2010 #  define HASUNSETENV	1	/* has unsetenv(2) call */
2011 #  define NEEDPUTENV	1	/* need putenv(3) call */
2012 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
2013 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2014 #  define WAITUNION	1	/* use "union wait" as wait argument type */
2015 #  ifdef uniosb
2016 #   include <sys/time.h>
2017 #   define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2018 #   define LA_TYPE	LA_INT
2019 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2020 #  endif /* uniosb */
2021 #  ifdef luna2
2022 #   define LA_TYPE	LA_SUBR
2023 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2024 #  endif /* luna2 */
2025 #  ifdef luna88k
2026 #   define LA_TYPE	LA_INT
2027 #  endif /* luna88k */
2028 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2029 #  define setpgid	setpgrp
2030 #  undef WIFEXITED
2031 #  undef WEXITSTATUS
2032 typedef int		pid_t;
2033 typedef int		(*sigfunc_t)();
2034 #  define SIGFUNC_DEFINED
2035 #  define SIGFUNC_RETURN	(0)
2036 #  define SIGFUNC_DECL	int
2037 extern char	*getenv();
2038 #  ifndef _PATH_VENDOR_CF
2039 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2040 #  endif /* ! _PATH_VENDOR_CF */
2041 # endif /* luna */
2042 
2043 
2044 /*
2045 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2046 **
2047 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2048 */
2049 
2050 # if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2051 #  ifndef __svr4__
2052 #   define __svr4__		/* use all System V Release 4 defines below */
2053 #  endif /* ! __svr4__ */
2054 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2055 #  define HASSETSID	1	/* has Posix setsid(2) call */
2056 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2057 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2058 #  define GIDSET_T	gid_t
2059 #  undef WIFEXITED
2060 #  undef WEXITSTATUS
2061 #  define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2062 #  ifndef _PATH_VENDOR_CF
2063 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2064 #  endif /* ! _PATH_VENDOR_CF */
2065 #  ifndef _PATH_SENDMAILPID
2066 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2067 #  endif /* ! _PATH_SENDMAILPID */
2068 #  ifndef SYSLOG_BUFSIZE
2069 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2070 #  endif /* ! SYSLOG_BUFSIZE */
2071 # endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2072 
2073 
2074 /*
2075 **  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2076 **
2077 **	From Diego R. Lopez <drlopez@cica.es>.
2078 **	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2079 **		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2080 */
2081 
2082 # ifdef __uxp__
2083 #  include <arpa/nameser.h>
2084 #  include <sys/sysmacros.h>
2085 #  include <sys/mkdev.h>
2086 #  define __svr4__
2087 #  define HASGETUSERSHELL	0
2088 #  define HASFLOCK		0
2089 #  define _PATH_UNIX		"/stand/unix"
2090 #  ifndef _PATH_VENDOR_CF
2091 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2092 #  endif /* ! _PATH_VENDOR_CF */
2093 #  ifndef _PATH_SENDMAILPID
2094 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2095 #  endif /* ! _PATH_SENDMAILPID */
2096 # endif /* __uxp__ */
2097 
2098 /*
2099 **  Pyramid DC/OSx
2100 **
2101 **	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2102 */
2103 
2104 # ifdef DCOSx
2105 #  define GIDSET_T	gid_t
2106 #  ifndef IDENTPROTO
2107 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2108 #  endif /* ! IDENTPROTO */
2109 # endif /* DCOSx */
2110 
2111 /*
2112 **  Concurrent Computer Corporation Maxion
2113 **
2114 **	From Donald R. Laster Jr. <laster@access.digex.net>.
2115 */
2116 
2117 # ifdef __MAXION__
2118 
2119 #  include <sys/stream.h>
2120 #  define __svr4__		1	/* SVR4.2MP */
2121 #  define HASSETREUID		1	/* have setreuid(2) */
2122 #  define HASLSTAT		1	/* have lstat(2) */
2123 #  define HASSETRLIMIT		1	/* have setrlimit(2) */
2124 #  define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2125 #  define HASGETUSERSHELL	1	/* have getusershell(3) */
2126 #  define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2127 #  define SLEEP_T		unsigned
2128 #  define SFS_TYPE		SFS_STATVFS
2129 #  define SFS_BAVAIL		f_bavail
2130 #  ifndef SYSLOG_BUFSIZE
2131 #   define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2132 #  endif /* ! SYSLOG_BUFSIZE */
2133 
2134 #  undef WUNTRACED
2135 #  undef WIFEXITED
2136 #  undef WIFSIGNALED
2137 #  undef WIFSTOPPED
2138 #  undef WEXITSTATUS
2139 #  undef WTERMSIG
2140 #  undef WSTOPSIG
2141 
2142 # endif /* __MAXION__ */
2143 
2144 /*
2145 **  Harris Nighthawk PowerUX (nh6000 box)
2146 **
2147 **  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2148 */
2149 
2150 # ifdef _PowerUX
2151 #  ifndef __svr4__
2152 #   define __svr4__
2153 #  endif /* ! __svr4__ */
2154 #  ifndef _PATH_VENDOR_CF
2155 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2156 #  endif /* ! _PATH_VENDOR_CF */
2157 #  ifndef _PATH_SENDMAILPID
2158 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2159 #  endif /* ! _PATH_SENDMAILPID */
2160 #  define SYSLOG_BUFSIZE		1024
2161 #  define LA_TYPE		LA_ZERO
2162 typedef struct msgb		mblk_t;
2163 #  undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2164 # endif /* _PowerUX */
2165 
2166 /*
2167 **  Siemens Nixdorf Informationssysteme AG SINIX
2168 **
2169 **	Contributed by Gerald Rinske of Siemens Business Services VAS.
2170 */
2171 # ifdef sinix
2172 #  define HASRANDOM		0	/* has random(3) */
2173 #  define SYSLOG_BUFSIZE	1024
2174 #  define SM_INT32		int	/* 32bit integer */
2175 # endif /* sinix */
2176 
2177 /*
2178 **  CRAY T3E
2179 **
2180 **	Contributed by Manu Mahonen <mailadm@csc.fi>
2181 **	of Center for Scientific Computing.
2182 */
2183 # ifdef _CRAY
2184 #  define GET_IPOPT_DST(dst)	*(struct in_addr *)&(dst)
2185 #  define _PATH_MAILDIR	"/usr/spool/mail"
2186 #  if !defined(MAXPATHLEN)
2187 #   define MAXPATHLEN PATHSIZE
2188 #  endif /* !defined(MAXPATHLEN) */
2189 # endif /* _CRAY */
2190 
2191 /*
2192 **  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2193 **
2194 **	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2195 */
2196 
2197 # ifdef MOTO
2198 #  define HASFCHMOD		1
2199 #  define HASSETRLIMIT		0
2200 #  define HASSETSID		1
2201 #  define HASSETREUID		1
2202 #  define HASULIMIT		1
2203 #  define HASWAITPID		1
2204 #  define HASGETDTABLESIZE	1
2205 #  define HASGETUSERSHELL	1
2206 #  define IP_SRCROUTE		0
2207 #  define IDENTPROTO		0
2208 #  define RES_DNSRCH_VARIABLE	_res_dnsrch
2209 #  define _PATH_UNIX		"/unix"
2210 #  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2211 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2212 # endif /* MOTO */
2213 
2214 
2215 /**********************************************************************
2216 **  End of Per-Operating System defines
2217 **********************************************************************/
2218 /**********************************************************************
2219 **  More general defines
2220 **********************************************************************/
2221 
2222 /* general BSD defines */
2223 # ifdef BSD
2224 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2225 #  ifndef HASSETREUID
2226 #   define HASSETREUID	1	/* has setreuid(2) call */
2227 #  endif /* ! HASSETREUID */
2228 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2229 #  ifndef IP_SRCROUTE
2230 #   define IP_SRCROUTE	1	/* can check IP source routing */
2231 #  endif /* ! IP_SRCROUTE */
2232 #  ifndef HASSETRLIMIT
2233 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2234 #  endif /* ! HASSETRLIMIT */
2235 #  ifndef HASFLOCK
2236 #   define HASFLOCK	1	/* has flock(2) call */
2237 #  endif /* ! HASFLOCK */
2238 #  ifndef TZ_TYPE
2239 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2240 #  endif /* ! TZ_TYPE */
2241 # endif /* BSD */
2242 
2243 /* general System V Release 4 defines */
2244 # ifdef __svr4__
2245 #  define SYSTEM5	1
2246 #  define USESETEUID	1	/* has usable seteuid(2) call */
2247 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2248 #  define BSD_COMP	1	/* get BSD ioctl calls */
2249 #  ifndef HASSETRLIMIT
2250 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2251 #  endif /* ! HASSETRLIMIT */
2252 #  ifndef HASGETUSERSHELL
2253 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2254 #  endif /* ! HASGETUSERSHELL */
2255 #  ifndef HASFCHMOD
2256 #   define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2257 #  endif /* ! HASFCHMOD */
2258 
2259 #  ifndef _PATH_UNIX
2260 #   define _PATH_UNIX		"/unix"
2261 #  endif /* ! _PATH_UNIX */
2262 #  ifndef _PATH_VENDOR_CF
2263 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2264 #  endif /* ! _PATH_VENDOR_CF */
2265 #  ifndef _PATH_SENDMAILPID
2266 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2267 #  endif /* ! _PATH_SENDMAILPID */
2268 #  ifndef SYSLOG_BUFSIZE
2269 #   define SYSLOG_BUFSIZE	128
2270 #  endif /* ! SYSLOG_BUFSIZE */
2271 #  ifndef SFS_TYPE
2272 #   define SFS_TYPE		SFS_STATVFS
2273 #  endif /* ! SFS_TYPE */
2274 
2275 #  ifndef USE_SIGLONGJMP
2276 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
2277 #  endif /* ! USE_SIGLONGJMP */
2278 # endif /* __svr4__ */
2279 
2280 # ifdef __SVR4
2281 #  define LDA_USE_LOCKF		1
2282 #  define LDA_USE_SETEUID	1
2283 #  define _PATH_MAILDIR		"/var/mail"
2284 # endif /* __SVR4 */
2285 
2286 /* general System V defines */
2287 # ifdef SYSTEM5
2288 #  include <sys/sysmacros.h>
2289 #  define HASUNAME	1	/* use System V uname(2) system call */
2290 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2291 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2292 #  ifndef HASULIMIT
2293 #   define HASULIMIT	1	/* has the ulimit(2) syscall */
2294 #  endif /* ! HASULIMIT */
2295 #  ifndef LA_TYPE
2296 #   ifdef MIOC_READKSYM
2297 #    define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2298 #   else /* MIOC_READKSYM */
2299 #    define LA_TYPE	LA_INT		/* assume integer load average */
2300 #   endif /* MIOC_READKSYM */
2301 #  endif /* ! LA_TYPE */
2302 #  ifndef SFS_TYPE
2303 #   define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2304 #  endif /* ! SFS_TYPE */
2305 #  ifndef TZ_TYPE
2306 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2307 #  endif /* ! TZ_TYPE */
2308 # endif /* SYSTEM5 */
2309 
2310 /* general POSIX defines */
2311 # ifdef _POSIX_VERSION
2312 #  define HASSETSID	1	/* has Posix setsid(2) call */
2313 #  define HASWAITPID	1	/* has Posix waitpid(2) call */
2314 #  if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2315 #   define USESETEUID	1	/* has usable seteuid(2) call */
2316 #  endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2317 # endif /* _POSIX_VERSION */
2318 /*
2319 **  Tweaking for systems that (for example) claim to be BSD or POSIX
2320 **  but don't have all the standard BSD or POSIX routines (boo hiss).
2321 */
2322 
2323 # ifdef titan
2324 #  undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2325 # endif /* titan */
2326 
2327 # ifdef _CRAYCOM
2328 #  undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2329 # endif /* _CRAYCOM */
2330 
2331 # ifdef MOTO
2332 #  undef USESETEUID
2333 # endif /* MOTO */
2334 
2335 /*
2336 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2337 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2338 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2339 **  are closed.  Some firewalls return this error if you try to connect
2340 **  to the IDENT port (113), so you can't receive email from these hosts
2341 **  on these systems.  The firewall really should use a more specific
2342 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2343 **  not explicitly set to zero above, default it on.
2344 */
2345 
2346 # ifndef IDENTPROTO
2347 #  define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2348 # endif /* ! IDENTPROTO */
2349 
2350 # ifndef IP_SRCROUTE
2351 #  define IP_SRCROUTE	1	/* Detect IP source routing */
2352 # endif /* ! IP_SRCROUTE */
2353 
2354 # ifndef HASGETUSERSHELL
2355 #  define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2356 # endif /* ! HASGETUSERSHELL */
2357 
2358 # ifndef NETUNIX
2359 #  define NETUNIX	1	/* include unix domain support */
2360 # endif /* ! NETUNIX */
2361 
2362 # ifndef HASRANDOM
2363 #  define HASRANDOM	1	/* has random(3) support */
2364 # endif /* ! HASRANDOM */
2365 
2366 # ifndef HASFLOCK
2367 #  define HASFLOCK	0	/* assume no flock(2) support */
2368 # endif /* ! HASFLOCK */
2369 
2370 # ifndef HASSETREUID
2371 #  define HASSETREUID	0	/* assume no setreuid(2) call */
2372 # endif /* ! HASSETREUID */
2373 
2374 # ifndef HASFCHMOD
2375 #  define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2376 # endif /* ! HASFCHMOD */
2377 
2378 # ifndef USESETEUID
2379 #  define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2380 # endif /* ! USESETEUID */
2381 
2382 # ifndef HASSETRLIMIT
2383 #  define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2384 # endif /* ! HASSETRLIMIT */
2385 
2386 # ifndef HASULIMIT
2387 #  define HASULIMIT	0	/* assume no ulimit(2) support */
2388 # endif /* ! HASULIMIT */
2389 
2390 # ifndef SECUREWARE
2391 #  define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2392 # endif /* ! SECUREWARE */
2393 
2394 # ifndef USE_DOUBLE_FORK
2395 #  define USE_DOUBLE_FORK	1	/* avoid intermediate zombies */
2396 # endif /* ! USE_DOUBLE_FORK */
2397 
2398 # ifndef USE_ENVIRON
2399 #  define USE_ENVIRON	0	/* use main() envp instead of extern environ */
2400 # endif /* ! USE_ENVIRON */
2401 
2402 # ifndef USE_SIGLONGJMP
2403 #  define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2404 # endif /* ! USE_SIGLONGJMP */
2405 
2406 # ifndef FDSET_CAST
2407 #  define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2408 # endif /* ! FDSET_CAST */
2409 
2410 /*
2411 **  Pick a mailer setuid method for changing the current uid
2412 */
2413 
2414 # define USE_SETEUID	0
2415 # define USE_SETREUID	1
2416 # define USE_SETUID	2
2417 
2418 # if USESETEUID
2419 #  define MAILER_SETUID_METHOD	USE_SETEUID
2420 # else /* USESETEUID */
2421 #  if HASSETREUID
2422 #   define MAILER_SETUID_METHOD	USE_SETREUID
2423 #  else /* HASSETREUID */
2424 #   define MAILER_SETUID_METHOD	USE_SETUID
2425 #  endif /* HASSETREUID */
2426 # endif /* USESETEUID */
2427 
2428 /*
2429 **  If no type for argument two of getgroups call is defined, assume
2430 **  it's an integer -- unfortunately, there seem to be several choices
2431 **  here.
2432 */
2433 
2434 # ifndef GIDSET_T
2435 #  define GIDSET_T	int
2436 # endif /* ! GIDSET_T */
2437 
2438 # ifndef UID_T
2439 #  define UID_T		uid_t
2440 # endif /* ! UID_T */
2441 
2442 # ifndef GID_T
2443 #  define GID_T		gid_t
2444 # endif /* ! GID_T */
2445 
2446 # ifndef MODE_T
2447 #  define MODE_T		mode_t
2448 # endif /* ! MODE_T */
2449 
2450 # ifndef ARGV_T
2451 #  define ARGV_T		char **
2452 # endif /* ! ARGV_T */
2453 
2454 # ifndef SOCKADDR_LEN_T
2455 #  define SOCKADDR_LEN_T	int
2456 # endif /* ! SOCKADDR_LEN_T */
2457 
2458 # ifndef SOCKOPT_LEN_T
2459 #  define SOCKOPT_LEN_T	int
2460 # endif /* ! SOCKOPT_LEN_T */
2461 
2462 # ifndef QUAD_T
2463 #  define QUAD_T	unsigned long
2464 # endif /* ! QUAD_T */
2465 /**********************************************************************
2466 **  Remaining definitions should never have to be changed.  They are
2467 **  primarily to provide back compatibility for older systems -- for
2468 **  example, it includes some POSIX compatibility definitions
2469 **********************************************************************/
2470 
2471 /* System 5 compatibility */
2472 # ifndef S_ISREG
2473 #  define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2474 # endif /* ! S_ISREG */
2475 # ifndef S_ISDIR
2476 #  define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2477 # endif /* ! S_ISDIR */
2478 # if !defined(S_ISLNK) && defined(S_IFLNK)
2479 #  define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2480 # endif /* !defined(S_ISLNK) && defined(S_IFLNK) */
2481 # if !defined(S_ISFIFO)
2482 #  if defined(S_IFIFO)
2483 #   define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2484 #  else /* defined(S_IFIFO) */
2485 #   define S_ISFIFO(foo)	false
2486 #  endif /* defined(S_IFIFO) */
2487 # endif /* !defined(S_ISFIFO) */
2488 # ifndef S_IRUSR
2489 #  define S_IRUSR		0400
2490 # endif /* ! S_IRUSR */
2491 # ifndef S_IWUSR
2492 #  define S_IWUSR		0200
2493 # endif /* ! S_IWUSR */
2494 # ifndef S_IRGRP
2495 #  define S_IRGRP		0040
2496 # endif /* ! S_IRGRP */
2497 # ifndef S_IWGRP
2498 #  define S_IWGRP		0020
2499 # endif /* ! S_IWGRP */
2500 # ifndef S_IROTH
2501 #  define S_IROTH		0004
2502 # endif /* ! S_IROTH */
2503 # ifndef S_IWOTH
2504 #  define S_IWOTH		0002
2505 # endif /* ! S_IWOTH */
2506 
2507 /* close-on-exec flag */
2508 # ifndef FD_CLOEXEC
2509 #  define FD_CLOEXEC	1
2510 # endif /* ! FD_CLOEXEC */
2511 
2512 /*
2513 **  Older systems don't have this error code -- it should be in
2514 **  /usr/include/sysexits.h.
2515 */
2516 
2517 # ifndef EX_CONFIG
2518 #  define EX_CONFIG	78	/* configuration error */
2519 # endif /* ! EX_CONFIG */
2520 
2521 /* pseudo-codes */
2522 # define EX_QUIT		22	/* drop out of server immediately */
2523 # define EX_RESTART	23	/* restart sendmail daemon */
2524 # define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2525 
2526 #ifndef EX_NOTFOUND
2527 # define EX_NOTFOUND	EX_NOHOST
2528 #endif /* ! EX_NOTFOUND */
2529 
2530 /* pseudo-code used for mci_setstat */
2531 # define EX_NOTSTICKY	-5	/* don't save persistent status */
2532 
2533 
2534 /*
2535 **  An "impossible" file mode to indicate that the file does not exist.
2536 */
2537 
2538 # define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2539 
2540 
2541 /* type of arbitrary pointer */
2542 # ifndef ARBPTR_T
2543 #  define ARBPTR_T	void *
2544 # endif /* ! ARBPTR_T */
2545 
2546 # ifndef __P
2547 #  include "sm/cdefs.h"
2548 # endif /* ! __P */
2549 
2550 # if HESIOD && !defined(NAMED_BIND)
2551 #  define NAMED_BIND	1	/* not one without the other */
2552 # endif /* HESIOD && !defined(NAMED_BIND) */
2553 
2554 #  if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2555 extern int	h_errno;
2556 #  endif /* NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) */
2557 
2558 # if NEEDPUTENV
2559 extern int	putenv __P((char *));
2560 # endif /* NEEDPUTENV */
2561 
2562 #if !HASUNSETENV
2563 extern void	unsetenv __P((char *));
2564 #endif /* !HASUNSETENV */
2565 
2566 # ifdef LDAPMAP
2567 #  include <sys/time.h>
2568 #  include <lber.h>
2569 #  include <ldap.h>
2570 
2571 /* Some LDAP constants */
2572 #  define LDAPMAP_FALSE		0
2573 #  define LDAPMAP_TRUE		1
2574 
2575 /*
2576 **  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2577 **  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2578 **  and assume (falsely) that all old API implementations are broken.
2579 **  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2580 */
2581 
2582 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2583 #   define USE_LDAP_INIT	1
2584 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) */
2585 
2586 /*
2587 **  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2588 **  hence ldap_set_option() must not exist.
2589 */
2590 
2591 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2592 #   define USE_LDAP_SET_OPTION	1
2593 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) */
2594 
2595 # endif /* LDAPMAP */
2596 
2597 # if HASUNAME
2598 #  include <sys/utsname.h>
2599 #  ifdef newstr
2600 #   undef newstr
2601 #  endif /* newstr */
2602 # else /* HASUNAME */
2603 #  define NODE_LENGTH 32
2604 struct utsname
2605 {
2606 	char nodename[NODE_LENGTH + 1];
2607 };
2608 # endif /* HASUNAME */
2609 
2610 # if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2611 #  define MAXHOSTNAMELEN	256
2612 # endif /* !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) */
2613 
2614 # if !defined(SIGCHLD) && defined(SIGCLD)
2615 #  define SIGCHLD	SIGCLD
2616 # endif /* !defined(SIGCHLD) && defined(SIGCLD) */
2617 
2618 # ifndef STDIN_FILENO
2619 #  define STDIN_FILENO	0
2620 # endif /* ! STDIN_FILENO */
2621 
2622 # ifndef STDOUT_FILENO
2623 #  define STDOUT_FILENO	1
2624 # endif /* ! STDOUT_FILENO */
2625 
2626 # ifndef STDERR_FILENO
2627 #  define STDERR_FILENO	2
2628 # endif /* ! STDERR_FILENO */
2629 
2630 # ifndef LOCK_SH
2631 #  define LOCK_SH	0x01	/* shared lock */
2632 #  define LOCK_EX	0x02	/* exclusive lock */
2633 #  define LOCK_NB	0x04	/* non-blocking lock */
2634 #  define LOCK_UN	0x08	/* unlock */
2635 # endif /* ! LOCK_SH */
2636 
2637 # ifndef S_IXOTH
2638 #  define S_IXOTH	(S_IEXEC >> 6)
2639 # endif /* ! S_IXOTH */
2640 
2641 # ifndef S_IXGRP
2642 #  define S_IXGRP	(S_IEXEC >> 3)
2643 # endif /* ! S_IXGRP */
2644 
2645 # ifndef S_IXUSR
2646 #  define S_IXUSR	(S_IEXEC)
2647 # endif /* ! S_IXUSR */
2648 
2649 #ifndef O_ACCMODE
2650 # define O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
2651 #endif /* ! O_ACCMODE */
2652 
2653 # ifndef SEEK_SET
2654 #  define SEEK_SET	0
2655 #  define SEEK_CUR	1
2656 #  define SEEK_END	2
2657 # endif /* ! SEEK_SET */
2658 
2659 # ifndef SIG_ERR
2660 #  define SIG_ERR	((void (*)()) -1)
2661 # endif /* ! SIG_ERR */
2662 
2663 # ifndef WEXITSTATUS
2664 #  define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2665 # endif /* ! WEXITSTATUS */
2666 # ifndef WIFEXITED
2667 #  define WIFEXITED(st)		(((st) & 0377) == 0)
2668 # endif /* ! WIFEXITED */
2669 # ifndef WIFSTOPPED
2670 #  define WIFSTOPPED(st)		(((st) & 0100) == 0)
2671 # endif /* ! WIFSTOPPED */
2672 # ifndef WCOREDUMP
2673 #  define WCOREDUMP(st)		(((st) & 0200) != 0)
2674 # endif /* ! WCOREDUMP */
2675 # ifndef WTERMSIG
2676 #  define WTERMSIG(st)		(((st) & 0177))
2677 # endif /* ! WTERMSIG */
2678 
2679 # ifndef SIGFUNC_DEFINED
2680 typedef void		(*sigfunc_t) __P((int));
2681 # endif /* ! SIGFUNC_DEFINED */
2682 # ifndef SIGFUNC_RETURN
2683 #  define SIGFUNC_RETURN
2684 # endif /* ! SIGFUNC_RETURN */
2685 # ifndef SIGFUNC_DECL
2686 #  define SIGFUNC_DECL	void
2687 # endif /* ! SIGFUNC_DECL */
2688 
2689 /* size of syslog buffer */
2690 # ifndef SYSLOG_BUFSIZE
2691 #  define SYSLOG_BUFSIZE	1024
2692 # endif /* ! SYSLOG_BUFSIZE */
2693 
2694 /*
2695 **  Size of prescan buffer.
2696 **	Despite comments in the _sendmail_ book, this probably should
2697 **	not be changed; there are some hard-to-define dependencies.
2698 */
2699 
2700 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2701 
2702 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
2703 # ifndef FORK
2704 #  define FORK		fork		/* function to call to fork mailer */
2705 # endif /* ! FORK */
2706 
2707 /* setting h_errno */
2708 # ifndef SM_SET_H_ERRNO
2709 #  define SM_SET_H_ERRNO(err)	h_errno = (err)
2710 # endif /* SM_SET_H_ERRNO */
2711 
2712 # ifndef SM_CONF_GETOPT
2713 #  define SM_CONF_GETOPT	1
2714 # endif /* ! SM_CONF_GETOPT */
2715 
2716 /* random routine -- set above using #ifdef _osname_ or in Makefile */
2717 # if HASRANDOM
2718 #  define get_random()	random()
2719 # else /* HASRANDOM */
2720 #  define get_random()	((long) rand())
2721 #  ifndef RANDOMSHIFT
2722 #   define RANDOMSHIFT	8
2723 #  endif /* ! RANDOMSHIFT */
2724 # endif /* HASRANDOM */
2725 
2726 /*
2727 **  Default to using scanf in readcf.
2728 */
2729 
2730 # ifndef SCANF
2731 #  define SCANF		1
2732 # endif /* ! SCANF */
2733 
2734 /* XXX  32 bit type */
2735 # ifndef SM_INT32
2736 #  define SM_INT32	int32_t
2737 # endif /* ! SM_INT32 */
2738 
2739 /*
2740 **  SVr4 and similar systems use different routines for setjmp/longjmp
2741 **  with signal support
2742 */
2743 
2744 # if USE_SIGLONGJMP
2745 #  ifdef jmp_buf
2746 #   undef jmp_buf
2747 #  endif /* jmp_buf */
2748 #  define jmp_buf		sigjmp_buf
2749 #  ifdef setjmp
2750 #   undef setjmp
2751 #  endif /* setjmp */
2752 #  define setjmp(env)		sigsetjmp(env, 1)
2753 #  ifdef longjmp
2754 #   undef longjmp
2755 #  endif /* longjmp */
2756 #  define longjmp(env, val)	siglongjmp(env, val)
2757 # endif /* USE_SIGLONGJMP */
2758 
2759 # if !defined(NGROUPS_MAX) && defined(NGROUPS)
2760 #  define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
2761 # endif /* !defined(NGROUPS_MAX) && defined(NGROUPS) */
2762 
2763 /*
2764 **  Some snprintf() implementations are rumored not to NUL terminate.
2765 */
2766 # if SNPRINTF_IS_BROKEN
2767 #  ifdef snprintf
2768 #   undef snprintf
2769 #  endif /* snprintf */
2770 #  define snprintf	sm_snprintf
2771 #  ifdef vsnprintf
2772 #   undef vsnprintf
2773 #  endif /* vsnprintf */
2774 #  define vsnprintf	sm_vsnprintf
2775 # endif /* SNPRINTF_IS_BROKEN */
2776 
2777 /*
2778 **  If we don't have a system syslog, simulate it.
2779 */
2780 
2781 # if !LOG
2782 #  define LOG_EMERG	0	/* system is unusable */
2783 #  define LOG_ALERT	1	/* action must be taken immediately */
2784 #  define LOG_CRIT	2	/* critical conditions */
2785 #  define LOG_ERR	3	/* error conditions */
2786 #  define LOG_WARNING	4	/* warning conditions */
2787 #  define LOG_NOTICE	5	/* normal but significant condition */
2788 #  define LOG_INFO	6	/* informational */
2789 #  define LOG_DEBUG	7	/* debug-level messages */
2790 # endif /* !LOG */
2791 
2792 # ifndef SM_CONF_SYSLOG
2793 #  define SM_CONF_SYSLOG 1	/* syslog.h has prototype for syslog() */
2794 # endif /* SM_CONF_SYSLOG */
2795 
2796 # if !SM_CONF_SYSLOG
2797 #   ifdef __STDC__
2798 extern void	syslog(int, const char *, ...);
2799 #   else /* __STDC__ */
2800 extern void	syslog();
2801 #   endif /* __STDC__ */
2802 # endif /* !SM_CONF_SYSLOG */
2803 
2804 /* portable(?) definition for alignment */
2805 # ifndef SM_ALIGN_SIZE
2806 struct sm_align
2807 {
2808 	char al_c;
2809 	union
2810 	{
2811 		long	al_l;
2812 		void	*al_p;
2813 		double	al_d;
2814 		void	(*al_f)();
2815 	} al_u;
2816 };
2817 #  define SM_ALIGN_SIZE offsetof(struct sm_align, al_u)
2818 # endif /* ! SM_ALIGN_SIZE */
2819 # define SM_ALIGN_BITS (SM_ALIGN_SIZE - 1)
2820 
2821 #endif /* ! SM_CONF_H */
2822