1/*
2 * Copyright (c) 1998-2011 Proofpoint, Inc. and its suppliers.
3 *	All rights reserved.
4 * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
5 * Copyright (c) 1988, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * By using this file, you agree to the terms and conditions set
9 * forth in the LICENSE file which can be found at the top level of
10 * the sendmail distribution.
11 *
12 *
13 *	$Id: conf.h,v 1.147 2013-11-22 20:51:31 ca Exp $
14 */
15
16/*
17**  CONF.H -- All user-configurable parameters for sendmail
18**
19**	Send updates to Sendmail.ORG so they will be
20**	included in the next release; see
21**	http://www.sendmail.org/email-addresses.html
22**	for current e-mail address.
23*/
24
25#ifndef SM_CONF_H
26# define SM_CONF_H 1
27
28
29# include <sm/config.h>
30# include <sm/varargs.h>
31
32/*
33**  General "standard C" defines.
34**
35**	These may be undone later, to cope with systems that claim to
36**	be Standard C but aren't.  Gcc is the biggest offender -- it
37**	doesn't realize that the library is part of the language.
38**
39**	Life would be much easier if we could get rid of this sort
40**	of bozo problems.
41*/
42
43# ifdef __STDC__
44#  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
45# endif
46
47/*
48**  Assume you have standard calls; can be #undefed below if necessary.
49*/
50
51# ifndef HASLSTAT
52#  define HASLSTAT	1	/* has lstat(2) call */
53# endif
54
55# ifndef HASNICE
56#  define HASNICE	1	/* has nice(2) call */
57# endif
58
59# ifndef HASRRESVPORT
60#  define HASRRESVPORT	1	/* has rrsevport(3) call */
61# endif
62
63/**********************************************************************
64**  "Hard" compilation options.
65**	#define these if they are available; comment them out otherwise.
66**  These cannot be overridden from the Makefile, and should really not
67**  be turned off unless absolutely necessary.
68**********************************************************************/
69
70#define LOG		1	/* enable logging -- don't turn off */
71
72/**********************************************************************
73**  Operating system configuration.
74**
75**	Unless you are porting to a new OS, you shouldn't have to
76**	change these.
77**********************************************************************/
78
79/*
80**  HP-UX -- tested for 8.07, 9.00, and 9.01.
81**
82**	If V4FS is defined, compile for HP-UX 10.0.
83**	11.x support from Richard Allen <ra@hp.is>.
84*/
85
86# ifdef __hpux
87		/* common definitions for HP-UX 9.x and 10.x */
88#  undef m_flags		/* conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h on HP 300 */
89#  define SYSTEM5	1	/* include all the System V defines */
90#  define HASINITGROUPS	1	/* has initgroups(3) call */
91#  define HASFCHMOD	1	/* has fchmod(2) syscall */
92#  define USESETEUID	1	/* has usable seteuid(2) call */
93#  define HASSETRESGID	1	/* use setresgid(2) to set saved gid */
94#  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
95#  define seteuid(e)	setresuid(-1, e, -1)
96#  define IP_SRCROUTE	1	/* can check IP source routing */
97#  define LA_TYPE	LA_HPUX
98#  define SPT_TYPE	SPT_PSTAT
99#  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
100#  define GIDSET_T	gid_t
101#  define LDA_USE_LOCKF	1
102#  ifndef HASGETUSERSHELL
103#   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
104#  endif
105#  ifdef HPUX10
106#   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
107#   ifndef SMRSH_CMDDIR
108#    define SMRSH_CMDDIR	"/var/adm/sm.bin"
109#   endif
110#  endif
111#  ifdef HPUX11
112#   define HASSETREUID	1	/* setreuid(2) works on HP-UX 11.x */
113#   define HASFCHOWN	1	/* has fchown(2) */
114#   ifndef BROKEN_RES_SEARCH
115#    define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
116#   endif
117#   ifndef SMRSH_CMDDIR
118#    define SMRSH_CMDDIR	"/var/adm/sm.bin"
119#   endif
120#   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
121#  else /* HPUX11 */
122#   ifndef NOT_SENDMAIL
123#    define syslog	hard_syslog
124#   endif
125#  endif /* HPUX11 */
126#  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
127
128#  ifdef V4FS
129		/* HP-UX 10.x */
130#   define _PATH_UNIX		"/stand/vmunix"
131#   ifndef _PATH_VENDOR_CF
132#    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
133#   endif
134#   ifndef _PATH_SENDMAILPID
135#    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
136#   endif
137#   ifndef IDENTPROTO
138#    define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
139#   endif
140#   include <sys/mpctl.h>	/* for mpctl() in get_num_procs_online() */
141#  else /* V4FS */
142		/* HP-UX 9.x */
143#   define _PATH_UNIX		"/hp-ux"
144#   ifndef _PATH_VENDOR_CF
145#    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
146#   endif
147#   ifndef IDENTPROTO
148#    define IDENTPROTO	0	/* TCP/IP implementation is broken */
149#   endif
150#   ifdef __STDC__
151extern void	hard_syslog(int, char *, ...);
152#   else
153extern void	hard_syslog();
154#   endif
155#   define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
156#  endif /* V4FS */
157
158# endif /* __hpux */
159
160/*
161**  IBM AIX 5.x
162*/
163
164# ifdef _AIX5
165#  include <sys/signal.h>
166#  include <sys/wait.h>
167#  define _AIX4		40300
168#  define SOCKADDR_LEN_T socklen_t /* e.g., arg#3 to accept, getsockname */
169#  define SOCKOPT_LEN_T	socklen_t /* arg#5 to getsockopt */
170#  if _AIX5 >= 50200
171#   define HASUNSETENV	1	/* has unsetenv(3) call */
172#  endif
173# endif /* _AIX5 */
174
175/*
176**  IBM AIX 4.x
177*/
178
179# ifdef _AIX4
180#  define _AIX3		1	/* pull in AIX3 stuff */
181#  define BSD4_4_SOCKADDR	/* has sa_len */
182#  define USESETEUID	1	/* seteuid(2) works */
183#  define TZ_TYPE	TZ_NAME	/* use tzname[] vector */
184#  ifndef SOCKOPT_LEN_T
185#   define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
186#  endif
187#  if _AIX4 >= 40200
188#   define HASSETREUID	1	/* setreuid(2) works as of AIX 4.2 */
189#   ifndef SOCKADDR_LEN_T
190#    define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
191#   endif
192#  endif /* _AIX4 >= 40200 */
193#  if defined(_ILS_MACROS)	/* IBM versions aren't side-effect clean */
194#   undef isascii
195#   define isascii(c)		!(c & ~0177)
196#   undef isdigit
197#   define isdigit(__a)		(_IS(__a,_ISDIGIT))
198#   undef isspace
199#   define isspace(__a)		(_IS(__a,_ISSPACE))
200#  endif /* defined(_ILS_MACROS) */
201# endif /* _AIX4 */
202
203
204/*
205**  IBM AIX 3.x -- actually tested for 3.2.3
206*/
207
208# ifdef _AIX3
209#  include <paths.h>
210#  include <sys/machine.h>	/* to get byte order */
211#  include <sys/select.h>
212#  define HASFCHOWN	1	/* has fchown(2) */
213#  define HASINITGROUPS	1	/* has initgroups(3) call */
214#  define HASUNAME	1	/* use System V uname(2) system call */
215#  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
216#  define HASFCHMOD	1	/* has fchmod(2) syscall */
217#  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
218#  define GIDSET_T	gid_t
219#  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
220#  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
221#  ifndef LA_TYPE
222#   define LA_TYPE	LA_INT
223#  endif
224#  define FSHIFT	16
225#  define LA_AVENRUN	"avenrun"
226#  if !defined(_AIX4) || _AIX4 < 40300
227#   ifndef __BIT_TYPES_DEFINED__
228#    define SM_INT32	int
229#   endif
230#  endif /* !defined(_AIX4) || _AIX4 < 40300 */
231#  if !defined(_AIX4) || _AIX4 < 40200
232#   define SM_CONF_SYSLOG	0
233#  endif
234# endif /* _AIX3 */
235
236
237/*
238**  IBM AIX 2.2.1 -- actually tested for osupdate level 2706+1773
239**
240**	From Mark Whetzel <markw@wg.waii.com>.
241*/
242
243# ifdef AIX			/* AIX/RT compiler pre-defines this */
244#  include <paths.h>
245#  include <sys/time.h>		/* AIX/RT resource.h does NOT include this */
246#  define HASINITGROUPS	1	/* has initgroups(3) call */
247#  define HASUNAME	1	/* use System V uname(2) system call */
248#  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
249#  define HASFCHMOD	0	/* does not have fchmod(2) syscall */
250#  define HASSETREUID	1	/* use setreuid(2) -lbsd system call */
251#  define HASSETVBUF	1	/* use setvbuf(2) system call */
252#  define HASSETRLIMIT	0	/* does not have setrlimit call */
253#  define HASFLOCK	0	/* does not have flock call - use fcntl */
254#  define HASULIMIT	1	/* use ulimit instead of setrlimit call */
255#  define SM_CONF_GETOPT	0	/* Do we need theirs or ours */
256#  define SYS5SETPGRP	1	/* don't have setpgid on AIX/RT */
257#  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
258#  define BSD4_3		1	/* NOT bsd 4.4 or posix signals */
259#  define GIDSET_T	int
260#  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
261#  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
262#  define LA_TYPE	LA_SUBR		/* use our ported loadavgd daemon */
263#  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
264#  define ARBPTR_T	int *
265#  define void		int
266typedef int		pid_t;
267/* RTisms for BSD compatibility, specified in the Makefile
268  define BSD		1
269  define BSD_INCLUDES		1
270  define BSD_REMAP_SIGNAL_TO_SIGVEC
271    RTisms needed above */
272/* make this sendmail in a completely different place */
273#  ifndef _PATH_VENDOR_CF
274#   define _PATH_VENDOR_CF	"/usr/local/newmail/sendmail.cf"
275#  endif
276#  ifndef _PATH_SENDMAILPID
277#   define _PATH_SENDMAILPID	"/usr/local/newmail/sendmail.pid"
278#  endif
279# endif /* AIX */
280
281# if defined(_AIX)
282#  define LDA_USE_LOCKF		1
283#  define LDA_USE_SETEUID	1
284# endif
285
286/*
287**  Silicon Graphics IRIX
288**
289**	Compiles on 4.0.1.
290**
291**	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
292**	Use IRIX5 instead of IRIX for IRIX 5.x.
293**
294**	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
295**	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
296*/
297
298# ifdef IRIX
299#  define SYSTEM5	1	/* this is a System-V derived system */
300#  define HASSETREUID	1	/* has setreuid(2) call */
301#  define HASINITGROUPS	1	/* has initgroups(3) call */
302#  define HASFCHMOD	1	/* has fchmod(2) syscall */
303#  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
304#  define IP_SRCROUTE	1	/* can check IP source routing */
305#  define setpgid	BSDsetpgrp
306#  define GIDSET_T	gid_t
307#  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
308#  define SFS_BAVAIL	f_bfree		/* alternate field name */
309#  define SYSLOG_BUFSIZE 512
310#  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
311    /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
312#   define _SC_NPROCESSORS_ONLN	_SC_NPROC_ONLN
313#  endif
314#  ifdef IRIX6
315#   define STAT64	1
316#   define QUAD_T	unsigned long long
317#   define LA_TYPE	LA_IRIX6	/* figure out at run time */
318#   define SAFENFSPATHCONF 0	/* pathconf(2) lies on NFS filesystems */
319#  else /* IRIX6 */
320#   define LA_TYPE	LA_INT
321
322#   ifdef IRIX64
323#    define STAT64	1
324#    define QUAD_T	unsigned long long
325#    define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
326#   else /* IRIX64 */
327#    define STAT64	0
328#    define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
329#   endif /* IRIX64 */
330#  endif /* IRIX6 */
331#  if defined(IRIX64) || defined(IRIX5) || defined(IRIX6)
332#   include <sys/cdefs.h>
333#   include <paths.h>
334#   define ARGV_T	char *const *
335#   define HASFCHOWN	1	/* has fchown(2) */
336#   define HASSETRLIMIT	1	/* has setrlimit(2) syscall */
337#   define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
338#   define HASSTRERROR	1	/* has strerror(3) */
339#  else /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
340#   define ARGV_T	const char **
341#   define WAITUNION	1	/* use "union wait" as wait argument type */
342#  endif /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
343# endif /* IRIX */
344
345
346/*
347**  SunOS and Solaris
348**
349**	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
350**	Solaris 2.4 (a.k.a. SunOS 5.4).
351*/
352
353# if defined(sun) && !defined(BSD)
354
355#  include <sys/time.h>
356#  define HASINITGROUPS	1	/* has initgroups(3) call */
357#  define HASUNAME	1	/* use System V uname(2) system call */
358#  define HASFCHMOD	1	/* has fchmod(2) syscall */
359#  define IP_SRCROUTE	1	/* can check IP source routing */
360#  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
361#  ifndef HASFCHOWN
362#   define HASFCHOWN	1	/* fchown(2) */
363#  endif
364
365#  ifdef __svr4__
366#   define LDA_USE_LOCKF		1
367#   define LDA_USE_SETEUID	1
368#   define _PATH_MAILDIR		"/var/mail"
369#  endif /* __svr4__ */
370
371#  ifdef SOLARIS_2_3
372#   define SOLARIS	20300	/* for back compat only -- use -DSOLARIS=20300 */
373#  endif /* SOLARIS_2_3 */
374
375#  if defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4))
376#   define SOLARIS	1	/* unknown Solaris version */
377#  endif
378
379#  ifdef SOLARIS
380			/* Solaris 2.x (a.k.a. SunOS 5.x) */
381#   ifndef __svr4__
382#    define __svr4__		/* use all System V Release 4 defines below */
383#   endif
384#   if SOLARIS >= 21100
385#    include <paths.h>
386#   endif
387#   ifndef _PATH_VARRUN
388#    define _PATH_VARRUN	"/var/run/"
389#   endif
390#   define GIDSET_T	gid_t
391#   define USE_SA_SIGACTION	1	/* use sa_sigaction field */
392#   define BROKEN_PTHREAD_SLEEP	1	/* sleep after pthread_create() fails */
393#   define HASSTRERROR	1	/* has strerror(3) */
394#   ifndef _PATH_UNIX
395#    define _PATH_UNIX		"/dev/ksyms"
396#   endif
397#   ifndef _PATH_VENDOR_CF
398#    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
399#   endif
400#   ifndef _PATH_SENDMAILPID
401#    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
402#   endif
403#   ifndef _PATH_HOSTS
404#    define _PATH_HOSTS		"/etc/inet/hosts"
405#   endif
406#   ifndef SYSLOG_BUFSIZE
407#    define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
408#   endif
409#   ifndef TZ_TYPE
410#    define TZ_TYPE	TZ_TZNAME
411#   endif
412#   if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203)
413#    define USESETEUID		1	/* seteuid works as of 2.3 */
414#    define LDA_CONTENTLENGTH	1	/* Needs the Content-Length header */
415#   endif
416#   if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205)
417#    define HASSETREUID	1		/* setreuid works as of 2.5 */
418#    define HASSETREGID	1	/* use setregid(2) to set saved gid */
419#   if SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206)
420#    define HASSNPRINTF 1	/* has snprintf(3c) starting in 2.6 */
421#   endif
422#    if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700)
423#     ifndef LA_TYPE
424#      define LA_TYPE	LA_KSTAT	/* use kstat(3k) -- may work in < 2.5 */
425#     endif
426#     ifndef RANDOMSHIFT	/* random() doesn't work well (sometimes) */
427#      define RANDOMSHIFT	8
428#     endif
429#    endif /* SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) */
430#   else /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
431#    ifndef HASRANDOM
432#     define HASRANDOM	0		/* doesn't have random(3) */
433#    endif
434#   endif /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
435#   if (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206
436#    define SM_INT32	int	/* 32bit integer */
437#   endif
438#   if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207)
439#    ifndef LA_TYPE
440#     include <sys/loadavg.h>
441#     if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
442#      include <sys/pset.h>
443#      define LA_TYPE	LA_PSET	/* pset_getloadavg(3c) appears in 2.9 */
444#     else /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
445#      define LA_TYPE	LA_SUBR	/* getloadavg(3c) appears in 2.7 */
446#     endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
447#    endif /* ! LA_TYPE */
448#    define HASGETUSERSHELL 1	/* getusershell(3c) bug fixed in 2.7 */
449#   endif /* SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) */
450#   if SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208)
451#    undef _PATH_SENDMAILPID	/* tmpfs /var/run added in 2.8 */
452#    define _PATH_SENDMAILPID	_PATH_VARRUN "sendmail.pid"
453#    ifndef SMRSH_CMDDIR
454#     define SMRSH_CMDDIR	"/var/adm/sm.bin"
455#    endif
456#    define SL_FUDGE	34	/* fudge offset for SyslogPrefixLen */
457#    define HASLDAPGETALIASBYNAME	1	/* added in S8 */
458#   endif /* SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) */
459#   if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
460#    define HASURANDOMDEV	1	/* /dev/[u]random added in S9 */
461#    define HASCLOSEFROM	1	/* closefrom(3c) added in S9 */
462#    define HASFDWALK		1	/* fdwalk(3c) added in S9 */
463#   endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
464#   if SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210)
465#    define HASUNSETENV 1       /* unsetenv() added in S10 */
466#   endif
467#   if SOLARIS >= 21100 || (SOLARIS < 10000 && SOLARIS >= 211)
468#    define GETLDAPALIASBYNAME_VERSION 2	/* changed in S11 */
469#    define HAVE_NANOSLEEP	1	/* moved from librt to libc in S11 */
470#    define SOCKADDR_LEN_T	socklen_t	/* arg#3 to accept, getsockname */
471#    define SOCKOPT_LEN_T	socklen_t	/* arg#5 to getsockopt */
472#   endif /* SOLARIS >= 21100 || (SOLARIS < 10000 && SOLARIS >= 211) */
473#   ifndef HASGETUSERSHELL
474#    define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps pre-2.7 */
475#   endif
476#   if SOLARIS < 21140
477#    define SIGWAIT_TAKES_1_ARG	1	/* S11.4 moves to UNIX V7 semantic */
478#   endif
479
480#  else /* SOLARIS */
481			/* SunOS 4.0.3 or 4.1.x */
482#   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
483#   define HASSETREUID	1	/* has setreuid(2) call */
484#   ifndef HASFLOCK
485#    define HASFLOCK	1	/* has flock(2) call */
486#   endif
487#   define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
488#   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
489#   include <memory.h>
490#   include <vfork.h>
491#   ifdef __GNUC__
492#    define strtoul	strtol	/* gcc library bogosity */
493#   endif
494#   define memmove(d, s, l)	(bcopy((s), (d), (l)))
495#   define atexit(f)	on_exit((f), 0)	/* ugly hack for SunOS */
496#   define SM_INT32	int	/* 32bit integer */
497#   define SM_ALIGN_SIZE (sizeof(long))
498#   define GIDSET_T	int
499#   define SM_CONF_SYSLOG	0
500
501#   ifdef SUNOS403
502			/* special tweaking for SunOS 4.0.3 */
503#    include <malloc.h>
504#    define BSD4_3	1	/* 4.3 BSD-based */
505#    define NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
506#    define WAITUNION	1	/* use "union wait" as wait argument type */
507#    undef WIFEXITED
508#    undef WEXITSTATUS
509#    undef HASUNAME
510#    define setpgid	setpgrp
511#    define MODE_T	int
512typedef int		pid_t;
513extern char		*getenv();
514
515#   else /* SUNOS403 */
516			/* 4.1.x specifics */
517#    define HASSETSID	1	/* has POSIX setsid(2) call */
518#    define HASSETVBUF	1	/* we have setvbuf(3) in libc */
519
520#   endif /* SUNOS403 */
521#  endif /* SOLARIS */
522
523#  ifndef LA_TYPE
524#   define LA_TYPE	LA_INT
525#  endif
526
527# endif /* defined(sun) && !defined(BSD) */
528
529/*
530**  DG/UX
531**
532**	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
533**	older support.
534**	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
535*/
536
537# ifdef DGUX_5_4_2
538#  define DGUX		1
539# endif
540
541# ifdef DGUX
542#  define SYSTEM5	1
543#  define LA_TYPE	LA_DGUX
544#  define HASSETREUID	1	/* has setreuid(2) call */
545#  define HASUNAME	1	/* use System V uname(2) system call */
546#  define HASSETSID	1	/* has POSIX setsid(2) call */
547#  define HASINITGROUPS	1	/* has initgroups(3) call */
548#  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
549#  define HASGETUSERSHELL 0	/* does not have getusershell(3) */
550#  ifndef IDENTPROTO
551#   define IDENTPROTO	0	/* TCP/IP implementation is broken */
552#  endif
553#  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
554#  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
555#  define LDA_USE_LOCKF		1
556
557/* these include files must be included early on DG/UX */
558#  include <netinet/in.h>
559#  include <arpa/inet.h>
560
561/* compiler doesn't understand const? */
562#  define const
563
564#  ifdef DGUX_5_4_2
565#   define inet_addr	dgux_inet_addr
566extern long	dgux_inet_addr();
567#  endif /* DGUX_5_4_2 */
568# endif /* DGUX */
569
570
571/*
572**  Digital Ultrix 4.2 - 4.5
573**
574**	Apparently, fcntl locking is broken on 4.2A, in that locks are
575**	not dropped when the process exits.  This causes major problems,
576**	so flock is the only alternative.
577*/
578
579# ifdef ultrix
580#  define HASSETREUID	1	/* has setreuid(2) call */
581#  define HASUNSETENV	1	/* has unsetenv(3) call */
582#  define HASINITGROUPS	1	/* has initgroups(3) call */
583#  define HASUNAME	1	/* use System V uname(2) system call */
584#  define HASFCHMOD	1	/* has fchmod(2) syscall */
585#  define HASFCHOWN	1	/* has fchown(2) syscall */
586#  ifndef HASFLOCK
587#   define HASFLOCK	1	/* has flock(2) call */
588#  endif
589#  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
590#  ifndef BROKEN_RES_SEARCH
591#   define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
592#  endif
593#  if !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621
594#   define NEEDLOCAL_HOSTNAME_LENGTH	1	/* see sendmail/README */
595#  endif
596#  ifdef vax
597#   define LA_TYPE	LA_FLOAT
598#  else /* vax */
599#   define LA_TYPE	LA_INT
600#   define LA_AVENRUN	"avenrun"
601#  endif /* vax */
602#  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
603#  ifndef IDENTPROTO
604#   define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
605#  endif
606#  define SYSLOG_BUFSIZE	256
607#  define SM_CONF_SYSLOG	0
608# endif /* ultrix */
609
610
611/*
612**  OSF/1 for KSR.
613**
614**	Contributed by Todd C. Miller <Todd.Miller@cs.colorado.edu>
615*/
616
617# ifdef __ksr__
618#  define __osf__	1	/* get OSF/1 defines below */
619#  ifndef TZ_TYPE
620#   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
621#  endif
622# endif /* __ksr__ */
623
624
625/*
626**  OSF/1 for Intel Paragon.
627**
628**	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
629**	of Intel Scalable Systems Division.
630*/
631
632# ifdef __PARAGON__
633#  define __osf__	1	/* get OSF/1 defines below */
634#  ifndef TZ_TYPE
635#   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
636#  endif
637#  define GIDSET_T	gid_t
638#  define MAXNAMLEN	NAME_MAX
639# endif /* __PARAGON__ */
640
641
642/*
643**  Tru64 UNIX, formerly known as Digital UNIX, formerly known as DEC OSF/1
644**
645**	Tested for 3.2 and 4.0.
646*/
647
648# ifdef __osf__
649#  define HASUNAME	1	/* has uname(2) call */
650#  define HASUNSETENV	1	/* has unsetenv(3) call */
651#  define USESETEUID	1	/* has usable seteuid(2) call */
652#  define HASINITGROUPS	1	/* has initgroups(3) call */
653#  define HASFCHMOD	1	/* has fchmod(2) syscall */
654#  define HASFCHOWN	1	/* has fchown(2) syscall */
655#  define HASSETLOGIN	1	/* has setlogin(2) */
656#  define IP_SRCROUTE	1	/* can check IP source routing */
657#  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
658#  define GIDSET_T	gid_t
659#  define SM_INT32	int	/* 32bit integer */
660#  ifndef HASFLOCK
661#   include <standards.h>
662#   if _XOPEN_SOURCE+0 >= 400
663#    define HASFLOCK	0	/* 5.0 and later has bad flock(2) call */
664#   else
665#    define HASFLOCK	1	/* has flock(2) call */
666#   endif
667#  endif /* ! HASFLOCK */
668#  define LA_TYPE	LA_ALPHAOSF
669#  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statfs() impl */
670#  ifndef _PATH_VENDOR_CF
671#   define _PATH_VENDOR_CF	"/var/adm/sendmail/sendmail.cf"
672#  endif
673#  ifndef _PATH_SENDMAILPID
674#   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
675#  endif
676#  if _FFR_DIGUNIX_SAFECHOWN
677/*
678**  Testing on a Digital UNIX 4.0a system showed this to be the correct
679**  setting but given the security consequences, more testing and
680**  verification is needed.  Unfortunately, the man page offers no
681**  assistance.
682*/
683#   define IS_SAFE_CHOWN >= 0
684#  endif /* _FFR_DIGUNIX_SAFECHOWN */
685# endif /* __osf__ */
686
687
688/*
689**  NeXTstep
690*/
691
692# ifdef NeXT
693#  define HASINITGROUPS	1	/* has initgroups(3) call */
694#  define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
695#  ifndef HASFLOCK
696#   define HASFLOCK	1	/* has flock(2) call */
697#  endif
698#  define UID_T		int	/* compiler gripes on uid_t */
699#  define GID_T		int	/* ditto for gid_t */
700#  define MODE_T	int	/* and mode_t */
701#  define setpgid	setpgrp
702#  ifndef NOT_SENDMAIL
703#   define sleep		sleepX
704#  endif
705#  ifndef LA_TYPE
706#   define LA_TYPE	LA_MACH
707#  endif
708#  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
709#  ifdef _POSIX_SOURCE
710extern struct passwd	*getpwent();
711#  else /* _POSIX_SOURCE */
712#   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
713#   define WAITUNION	1	/* use "union wait" as wait argument type */
714typedef int		pid_t;
715#   undef WEXITSTATUS
716#   undef WIFEXITED
717#   undef WIFSTOPPED
718#   undef WTERMSIG
719#  endif /* _POSIX_SOURCE */
720#  ifndef _PATH_VENDOR_CF
721#   define _PATH_VENDOR_CF	"/etc/sendmail/sendmail.cf"
722#  endif
723#  ifndef _PATH_SENDMAILPID
724#   define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
725#  endif
726#  define SM_INT32	int	/* 32bit integer */
727
728#  ifdef TCPWRAPPERS
729#   ifndef HASUNSETENV
730#    define HASUNSETENV	1
731#   endif
732#   undef NEEDPUTENV
733#  endif /* TCPWRAPPERS */
734#  ifndef __APPLE__
735#   include <libc.h>
736#   ifndef S_IRUSR
737#    define S_IRUSR	S_IREAD
738#   endif
739#   ifndef S_IWUSR
740#    define S_IWUSR	S_IWRITE
741#   endif
742#   define _PATH_MAILDIR	"/usr/spool/mail"
743#  endif /* ! __APPLE__ */
744#  ifndef isascii
745#   define isascii(c)	((unsigned)(c) <= 0177)
746#  endif
747# endif /* NeXT */
748
749/*
750**  Apple Darwin
751**      Contributed by Wilfredo Sanchez <wsanchez@mit.edu>
752*/
753
754# if defined(DARWIN)
755#  define HASFCHMOD		1	/* has fchmod(2) */
756#  define HASFCHOWN		1	/* has fchown(2) */
757#  define HASFLOCK		1	/* has flock(2) */
758#  define HASUNAME		1	/* has uname(2) */
759#  define HASUNSETENV		1	/* has unsetenv(3) */
760#  define HASSETSID		1	/* has POSIX setsid(2) call */
761#  define HASINITGROUPS		1	/* has initgroups(3) */
762#  define HASSETVBUF		1	/* has setvbuf (3) */
763#  define HASSETREUID		0	/* setreuid(2) unusable */
764#  define HASSETEUID		1	/* has seteuid(2) */
765#  define USESETEUID		1	/* has seteuid(2) */
766#  define HASSETEGID		1	/* has setegid(2) */
767#  define HASSETREGID		1	/* has setregid(2) */
768#  define HASSETRESGID		0	/* no setresgid(2) */
769#  define HASLSTAT		1	/* has lstat(2) */
770#  define HASSETRLIMIT		1	/* has setrlimit(2) */
771#  define HASWAITPID		1	/* has waitpid(2) */
772#  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
773#  define HAS_ST_GEN		1	/* has st_gen field in struct stat */
774#  define HASURANDOMDEV		1	/* has urandom(4) */
775#  define HASSTRERROR		1	/* has strerror(3) */
776#  define HASGETUSERSHELL	1	/* had getusershell(3) */
777#  if DARWIN >=180000
778#   ifdef HASRRESVPORT
779#    undef HASRRESVPORT
780#   endif
781#   define HASRRESVPORT		0	/* deprecated rresvport() */
782#  endif
783#  define GIDSET_T		gid_t	/* getgroups(2) takes gid_t */
784#  define LA_TYPE		LA_SUBR	/* use getloadavg(3) */
785#  define SFS_TYPE		SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
786#  if DARWIN >= 70000
787#   define SOCKADDR_LEN_T	socklen_t
788#  endif
789#  if DARWIN >= 80000
790#   define SPT_TYPE		SPT_REUSEARGV
791#   define SPT_PADCHAR		'\0'
792#   define SOCKOPT_LEN_T	socklen_t
793#  else
794#   define SPT_TYPE		SPT_PSSTRINGS	/* use magic PS_STRINGS pointer for setproctitle */
795#  endif
796#  define ERRLIST_PREDEFINED		/* don't declare sys_errlist */
797#  define BSD4_4_SOCKADDR		/* struct sockaddr has sa_len */
798#  define SAFENFSPATHCONF	0	/* unverified: pathconf(2) doesn't work on NFS */
799#  define HAS_IN_H		1
800#  define NETLINK		1	/* supports AF_LINK */
801#  ifndef NOT_SENDMAIL
802#   define sleep sleepX
803extern unsigned int sleepX __P((unsigned int seconds));
804#  endif /* ! NOT_SENDMAIL */
805# endif /* defined(DARWIN) */
806
807
808/*
809**  4.4 BSD
810**
811**	See also BSD defines.
812*/
813
814# if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) && !defined(DARWIN)
815#  include <paths.h>
816#  define HASUNSETENV	1	/* has unsetenv(3) call */
817#  define USESETEUID	1	/* has usable seteuid(2) call */
818#  define HASFCHMOD	1	/* has fchmod(2) syscall */
819#  define HASFCHOWN	1	/* has fchown(2) syscall */
820#  define HASSTRERROR	1	/* has strerror(3) */
821#  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
822#  include <sys/cdefs.h>
823#  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
824#  define BSD4_4_SOCKADDR	/* has sa_len */
825#  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
826#  define NETLINK	1	/* supports AF_LINK */
827#  ifndef LA_TYPE
828#   define LA_TYPE	LA_SUBR
829#  endif
830#  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
831#  define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
832# endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) && !defined(DARWIN)*/
833
834
835/*
836**  BSD/OS (was BSD/386) (all versions)
837**	From Tony Sanders, BSDI
838*/
839
840# ifdef __bsdi__
841#  include <paths.h>
842#  define HASUNSETENV	1	/* has the unsetenv(3) call */
843#  define HASSETREUID	0	/* BSD-OS has broken setreuid(2) emulation */
844#  define HASSETSID	1	/* has POSIX setsid(2) call */
845#  define USESETEUID	1	/* has usable seteuid(2) call */
846#  define HASFCHMOD	1	/* has fchmod(2) syscall */
847#  define HASSETLOGIN	1	/* has setlogin(2) */
848#  define HASUNAME	1	/* has uname(2) syscall */
849#  define HASSTRERROR	1	/* has strerror(3) */
850#  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
851#  include <sys/cdefs.h>
852#  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
853#  define BSD4_4_SOCKADDR	/* has sa_len */
854#  define NETLINK	1	/* supports AF_LINK */
855#  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
856#  ifndef LA_TYPE
857#   define LA_TYPE	LA_SUBR
858#  endif
859#  define GIDSET_T	gid_t
860#  define QUAD_T		quad_t
861#  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
862			/* version 1.1 or later */
863#   undef SPT_TYPE
864#   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
865#  else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
866			/* version 1.0 or earlier */
867#   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
868#  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
869#  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701	/* on 3.x */
870#   define HASSETUSERCONTEXT 1	/* has setusercontext */
871#  endif
872#  if defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701	/* 3.1 and earlier */
873#   define MODE_T	int	/* va_arg() can't handle less than int */
874#  endif
875#  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910	/* on 4.x */
876#   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
877#  endif
878# endif /* __bsdi__ */
879
880
881# if defined(__QNX__)
882#  if defined(__QNXNTO__)
883/* QNX 6 */
884#   include <unix.h>
885#   define HASUNSETENV	1	/* has unsetenv(3) call */
886#   define HASINITGROUPS	1	/* has initgroups(3) call */
887#   define HASSETSID	1	/* has POSIX setsid(2) call */
888#   define USESETEUID	1	/* has usable seteuid(2) call */
889#   define HASFCHMOD	1	/* has fchmod(2) syscall */
890#   define HASFCHOWN	1	/* has fchown(2) syscall */
891#   define HASUNAME	1	/* has uname(2) syscall */
892#   define HASSTRERROR	1	/* has strerror(3) */
893#   define BSD4_4_SOCKADDR	/* has sa_len */
894#   define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
895#   define NETLINK	1	/* supports AF_LINK */
896#   define GIDSET_T	gid_t
897#   define QUAD_T	uint64_t
898#   define HASSNPRINTF	1	/* has snprintf(3) (all versions?) */
899#   define HASGETUSERSHELL 0
900
901/*
902**  We have a strrev() that doesn't allocate anything.
903**  Make sure the one here is used.
904*/
905
906#   define strrev strrev_sendmail
907
908#  else /* defined(__QNXNTO__) */
909
910/*
911**  QNX 4.2x
912**	Contributed by Glen McCready <glen@qnx.com>.
913**
914**	Should work with all versions of QNX 4.
915*/
916
917#   include <unix.h>
918#   include <sys/select.h>
919#   undef NGROUPS_MAX
920#   define HASSETSID	1	/* has POSIX setsid(2) call */
921#   define USESETEUID	1	/* has usable seteuid(2) call */
922#   define HASFCHMOD	1	/* has fchmod(2) syscall */
923#   define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
924#   define HASSETREUID	1	/* has setreuid(2) call */
925#   define HASSTRERROR	1	/* has strerror(3) */
926#   define HASFLOCK	0
927#   undef HASINITGROUPS		/* has initgroups(3) call */
928#   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
929#   define IP_SRCROUTE	1	/* can check IP source routing */
930#   define TZ_TYPE	TZ_TMNAME	/* use tmname variable */
931#   define GIDSET_T	gid_t
932#   define LA_TYPE	LA_ZERO
933#   define SFS_TYPE	SFS_NONE
934#   define SPT_TYPE	SPT_REUSEARGV
935#   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
936#   define HASGETUSERSHELL 0
937#   define _FILE_H_INCLUDED
938#  endif /* defined(__QNXNTO__) */
939# endif /* defined(__QNX__) */
940
941
942/*
943**  DragonFly BSD/ FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
944**
945**  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
946**  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
947**
948**	See also BSD defines.
949*/
950
951# if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
952#  include <paths.h>
953#  define HASUNSETENV	1	/* has unsetenv(3) call */
954#  define HASSETSID	1	/* has POSIX setsid(2) call */
955#  define USESETEUID	1	/* has usable seteuid(2) call */
956#  define HASFCHMOD	1	/* has fchmod(2) syscall */
957#  define HASFCHOWN	1	/* has fchown(2) syscall */
958#  define HASUNAME	1	/* has uname(2) syscall */
959#  define HASSTRERROR	1	/* has strerror(3) */
960#  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
961#  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
962#  include <sys/cdefs.h>
963#  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
964#  define BSD4_4_SOCKADDR	/* has sa_len */
965#  define NETLINK	1	/* supports AF_LINK */
966#  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
967#  define GIDSET_T	gid_t
968#  define QUAD_T	unsigned long long
969#  define HASSNPRINTF	1	/* has snprintf(3) (all versions?) */
970#  ifndef LA_TYPE
971#   define LA_TYPE	LA_SUBR
972#  endif
973#  if defined(__NetBSD__) && defined(__NetBSD_Version__) && \
974    ((__NetBSD_Version__ >= 200040000 && __NetBSD_Version__ < 200090000) || \
975    (__NetBSD_Version__ >= 299000900))
976#   undef SFS_TYPE
977#   define SFS_TYPE	SFS_STATVFS
978#  else
979#   define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
980#  endif
981#  if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
982#   undef SPT_TYPE
983#   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
984#  endif
985#  if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3))
986#   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
987#  endif
988#  if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 104170000
989#   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
990#  endif
991#  if defined(__NetBSD__) && defined(__NetBSD_Version__) && \
992    ((__NetBSD_Version__ >= 200060000 && __NetBSD_Version__ < 200090000) || \
993    (__NetBSD_Version__ >= 299000900))
994#   define HASCLOSEFROM	1	/* closefrom(3) added in 2.0F */
995#  endif
996#  if defined(__NetBSD__)
997#   define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
998#   include <sys/param.h>
999#   include <sys/sysctl.h>
1000#   define HAVE_IFC_BUF_VOID	1	/* void *ifc_buf instead of caddr_t */
1001#  endif
1002#  if defined(__DragonFly__)
1003#   define HASSETLOGIN		1	/* has setlogin(2) */
1004#   define HASSRANDOMDEV	1	/* has srandomdev(3) */
1005#   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1006#   undef SPT_TYPE
1007#   include <libutil.h>
1008#   define SPT_TYPE		SPT_BUILTIN
1009#   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1010#   ifndef SMRSH_CMDDIR
1011#    define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
1012#   endif
1013#   ifndef SMRSH_PATH
1014#    define SMRSH_PATH		"/bin:/usr/bin"
1015#   endif
1016#  define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
1017#  include <sys/sysctl.h>
1018#  endif /* defined(__DragonFly__) */
1019#  if defined(__FreeBSD__)
1020#   define HASSETLOGIN	1	/* has setlogin(2) */
1021#   if __FreeBSD_version >= 227001
1022#    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1023#    define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1024#   endif /* __FreeBSD_version >= 227001 */
1025#   undef SPT_TYPE
1026#   if __FreeBSD__ >= 2
1027#    include <osreldate.h>
1028#    if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
1029#     if __FreeBSD_version < 500012	/* Moved to libc in 2000 */
1030#      include <libutil.h>
1031#     endif
1032#     define SPT_TYPE	SPT_BUILTIN
1033#    endif /* __FreeBSD_version >= 199512 */
1034#    if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
1035#     define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1036#    endif
1037#    if __FreeBSD_version >= 300000	/* 3.0.0-release and later */
1038#     define HAVE_NANOSLEEP	1	/* has nanosleep(2) */
1039#    endif
1040#    if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
1041#     ifndef SMRSH_CMDDIR
1042#      define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
1043#     endif
1044#     ifndef SMRSH_PATH
1045#      define SMRSH_PATH	"/bin:/usr/bin"
1046#     endif
1047#    endif /* __FreeBSD_version >= 330000 */
1048#    if __FreeBSD_version >= 430000	/* 4.3.0-release and later */
1049#     define SOCKADDR_LEN_T	socklen_t	/* e.g., arg#3 to accept, getsockname */
1050#     define SOCKOPT_LEN_T	socklen_t	/* arg#5 to getsockopt */
1051#    endif /* __FreeBSD_version >= 430000 */
1052#    define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
1053#    include <sys/sysctl.h>
1054#   endif /* __FreeBSD__ >= 2 */
1055#   ifndef SPT_TYPE
1056#    define SPT_TYPE	SPT_REUSEARGV
1057#    define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1058#   endif
1059#  endif /* defined(__FreeBSD__) */
1060#  if defined(__OpenBSD__)
1061#   undef SPT_TYPE
1062#   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
1063#   define HASSETLOGIN	1	/* has setlogin(2) */
1064#   if OpenBSD < 200305
1065#    define HASSETREUID	0	/* setreuid(2) broken in OpenBSD < 3.3 */
1066#   endif
1067#   define HASSETEGID	1	/* use setegid(2) to set saved gid */
1068#   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
1069#   if OpenBSD >= 200006
1070#    define HASSRANDOMDEV	1	/* has srandomdev(3) */
1071#   endif
1072#   if OpenBSD >= 200012
1073#    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
1074#   endif
1075#   if OpenBSD >= 200405
1076#    define HASCLOSEFROM	1	/* closefrom(3) added in 3.5 */
1077#   endif
1078#   if OpenBSD >= 200505
1079#    undef NETISO	/* iso.h removed in 3.7 */
1080#   endif
1081#   if OpenBSD >= 200800
1082#    define HAVE_NANOSLEEP	1	/* has nanosleep(2) */
1083#   endif
1084#   ifndef SOCKADDR_LEN_T
1085#    define SOCKADDR_LEN_T	socklen_t	/* e.g., arg#3 to accept, getsockname */
1086#   endif
1087#   ifndef SOCKOPT_LEN_T
1088#    define SOCKOPT_LEN_T	socklen_t	/* arg#5 to getsockopt */
1089#   endif
1090#  endif /* defined(__OpenBSD__) */
1091# endif /* defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
1092
1093
1094/*
1095**  Mach386
1096**
1097**	For mt Xinu's Mach386 system.
1098*/
1099
1100# if defined(MACH) && defined(i386) && !defined(__GNU__)
1101#  define MACH386	1
1102#  define HASUNSETENV	1	/* has unsetenv(3) call */
1103#  define HASINITGROUPS	1	/* has initgroups(3) call */
1104#  ifndef HASFLOCK
1105#   define HASFLOCK	1	/* has flock(2) call */
1106#  endif
1107#  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1108#  define NEEDSTRTOL	1	/* need the strtol() function */
1109#  define setpgid	setpgrp
1110#  ifndef LA_TYPE
1111#   define LA_TYPE	LA_FLOAT
1112#  endif
1113#  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1114#  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1115#  undef WEXITSTATUS
1116#  undef WIFEXITED
1117#  ifndef _PATH_VENDOR_CF
1118#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1119#  endif
1120#  ifndef _PATH_SENDMAILPID
1121#   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1122#  endif
1123# endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
1124
1125
1126
1127/*
1128**  GNU OS (hurd)
1129**	Largely BSD & posix compatible.
1130**	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
1131**	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
1132*/
1133
1134# if defined(__GNU__) && !defined(NeXT)
1135#  include <paths.h>
1136#  define HASFCHMOD	1	/* has fchmod(2) call */
1137#  define HASFCHOWN	1	/* has fchown(2) call */
1138#  define HASUNAME	1	/* has uname(2) call */
1139#  define HASUNSETENV	1	/* has unsetenv(3) call */
1140#  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
1141#  define HASSTRERROR	1	/* has strerror(3) */
1142#  define GIDSET_T	gid_t
1143#  define SOCKADDR_LEN_T	socklen_t
1144#  define SOCKOPT_LEN_T	socklen_t
1145#  if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
1146#   define LA_TYPE	LA_SUBR
1147#  else /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1148#   define LA_TYPE	LA_MACH
1149   /* GNU uses mach[34], which renames some rpcs from mach2.x. */
1150#   define host_self	mach_host_self
1151#  endif /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1152#  define SFS_TYPE	SFS_STATFS
1153#  define SPT_TYPE	SPT_CHANGEARGV
1154#  define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
1155#  define BSD4_4_SOCKADDR	1	/* has sa_len */
1156#  define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
1157#  define HAS_IN_H	1	/* GNU has netinet/in.h. */
1158/* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
1159#  define MAXPATHLEN	2048
1160# endif /* defined(__GNU__) && !defined(NeXT) */
1161
1162/*
1163**  4.3 BSD -- this is for very old systems
1164**
1165**	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
1166**
1167**	You'll also have to install a new resolver library.
1168**	I don't guarantee that support for this environment is complete.
1169*/
1170
1171# if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1172#  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1173#  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1174#  define ARBPTR_T	char *
1175#  define setpgid	setpgrp
1176#  ifndef LA_TYPE
1177#   define LA_TYPE	LA_FLOAT
1178#  endif
1179#  ifndef _PATH_VENDOR_CF
1180#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1181#  endif
1182#  ifndef IDENTPROTO
1183#   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1184#  endif
1185#  undef WEXITSTATUS
1186#  undef WIFEXITED
1187typedef short		pid_t;
1188# endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1189
1190
1191/*
1192**  SCO Unix
1193**
1194**	This includes three parts:
1195**
1196**	The first is for SCO OpenServer 5.
1197**	(Contributed by Keith Reynolds <keithr@sco.COM>).
1198**
1199**		SCO OpenServer 5 has a compiler version number macro,
1200**		which we can use to figure out what version we're on.
1201**		This may have to change in future releases.
1202**
1203**	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1204**	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1205**
1206**	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1207*/
1208
1209/* SCO OpenServer 5 */
1210# if _SCO_DS >= 1
1211#  include <paths.h>
1212#  define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1213#  define HASFCHMOD	1	/* has fchmod(2) call */
1214#  define HASFCHOWN	1	/* has fchown(2) call */
1215#  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1216#  define USESETEUID	1	/* has seteuid(2) call */
1217#  define HASINITGROUPS	1	/* has initgroups(3) call */
1218#  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1219#  define RLIMIT_NEEDS_SYS_TIME_H	1
1220#  define LDA_USE_LOCKF	1
1221#  ifndef LA_TYPE
1222#   define LA_TYPE	LA_DEVSHORT
1223#  endif
1224#  define _PATH_AVENRUN	"/dev/table/avenrun"
1225#  ifndef _SCO_unix_4_2
1226#   define _SCO_unix_4_2
1227#  else /* ! _SCO_unix_4_2 */
1228#   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1229#   define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
1230#  endif /* ! _SCO_unix_4_2 */
1231# endif /* _SCO_DS >= 1 */
1232
1233/* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1234# ifdef _SCO_unix_4_2
1235#  define _SCO_unix_
1236#  define HASSETREUID	1	/* has setreuid(2) call */
1237# endif /* _SCO_unix_4_2 */
1238
1239/* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1240# ifdef _SCO_unix_
1241#  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1242#  define SYSTEM5	1	/* include all the System V defines */
1243#  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1244#  define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1245#  ifndef USE_SIGLONGJMP
1246#   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1247#  endif
1248#  define MAXPATHLEN	PATHSIZE
1249#  define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1250#  define SFS_BAVAIL	f_bfree		/* alternate field name */
1251#  define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1252#  define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1253#  define UID_T		uid_t
1254#  define GID_T		gid_t
1255#  define GIDSET_T	gid_t
1256#  define _PATH_UNIX		"/unix"
1257#  ifndef _PATH_VENDOR_CF
1258#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1259#  endif
1260#  ifndef _PATH_SENDMAILPID
1261#   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1262#  endif
1263
1264/* stuff fixed in later releases */
1265#  ifndef _SCO_unix_4_2
1266#   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1267#  endif
1268
1269#  ifndef _SCO_DS
1270#   define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1271#   define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1272#   define NETUNIX	0	/* no unix domain socket support */
1273#   define LA_TYPE	LA_SHORT
1274#  endif /* ! _SCO_DS */
1275
1276# endif /* _SCO_unix_ */
1277
1278/*
1279**  ISC (SunSoft) Unix.
1280**
1281**	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1282*/
1283
1284# ifdef ISC_UNIX
1285#  include <net/errno.h>
1286#  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1287#  include <sys/bsdtypes.h>
1288#  define SYSTEM5	1	/* include all the System V defines */
1289#  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1290#  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1291#  define HASSETREUID	1	/* has setreuid(2) call */
1292#  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1293#  define NETUNIX	0	/* no unix domain socket support */
1294#  define MAXPATHLEN	1024
1295#  define LA_TYPE	LA_SHORT
1296#  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1297#  define SFS_BAVAIL	f_bfree		/* alternate field name */
1298#  define _PATH_UNIX		"/unix"
1299#  ifndef _PATH_VENDOR_CF
1300#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1301#  endif
1302#  ifndef _PATH_SENDMAILPID
1303#   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1304#  endif
1305# endif /* ISC_UNIX */
1306
1307
1308/*
1309**  Altos System V (5.3.1)
1310**	Contributed by Tim Rice <tim@trr.metro.net>.
1311*/
1312
1313# ifdef ALTOS_SYSTEM_V
1314#  include <sys/stream.h>
1315#  include <limits.h>
1316#  define SYSTEM5	1	/* include all the System V defines */
1317#  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1318#  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1319#  define WAITUNION	1	/* use "union wait" as wait argument type */
1320#  define NEEDFSYNC	1	/* no fsync(2) in system library */
1321#  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1322#  define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1323#  define MAXPATHLEN	PATH_MAX
1324#  define LA_TYPE	LA_SHORT
1325#  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1326#  define SFS_BAVAIL	f_bfree		/* alternate field name */
1327#  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1328#  define NETUNIX	0	/* no unix domain socket support */
1329#  undef WIFEXITED
1330#  undef WEXITSTATUS
1331#  define strtoul	strtol	/* gcc library bogosity */
1332
1333typedef unsigned short	uid_t;
1334typedef unsigned short	gid_t;
1335typedef short		pid_t;
1336typedef unsigned long	mode_t;
1337
1338/* some stuff that should have been in the include files */
1339extern char		*malloc();
1340extern struct passwd	*getpwent();
1341extern struct passwd	*getpwnam();
1342extern struct passwd	*getpwuid();
1343extern char		*getenv();
1344extern struct group	*getgrgid();
1345extern struct group	*getgrnam();
1346
1347# endif /* ALTOS_SYSTEM_V */
1348
1349
1350/*
1351**  ConvexOS 11.0 and later
1352**
1353**	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1354**	works on 9.1 as well.
1355**
1356**  ConvexOS 11.5 and later, should work on 11.0 as defined.
1357**  For pre-ConvexOOS 11.0, define SM_CONF_GETOPT=0, undef IDENTPROTO
1358**
1359**	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1360**		(now the CONVEX Technologies Center of Hewlett Packard)
1361*/
1362
1363# ifdef _CONVEX_SOURCE
1364#  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1365#  define HASINITGROUPS	1	/* has initgroups(3) */
1366#  define HASUNAME	1	/* use System V uname(2) system call */
1367#  define HASSETSID	1	/* has POSIX setsid(2) call */
1368#  define HASUNSETENV	1	/* has unsetenv(3) */
1369#  define HASFLOCK	1	/* has flock(2) */
1370#  define HASSETRLIMIT	1	/* has setrlimit(2) */
1371#  define HASSETREUID	1	/* has setreuid(2) */
1372#  define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1373#  define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1374#  define SM_CONF_GETOPT	1	/* need a replacement for getopt(3) */
1375#  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1376#  define LA_TYPE	LA_FLOAT
1377#  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1378#  ifndef _PATH_VENDOR_CF
1379#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1380#  endif
1381#  ifndef S_IREAD
1382#   define S_IREAD	_S_IREAD
1383#   define S_IWRITE	_S_IWRITE
1384#   define S_IEXEC	_S_IEXEC
1385#   define S_IFMT	_S_IFMT
1386#   define S_IFCHR	_S_IFCHR
1387#   define S_IFBLK	_S_IFBLK
1388#  endif /* ! S_IREAD */
1389#  ifndef TZ_TYPE
1390#   define TZ_TYPE	TZ_TIMEZONE
1391#  endif
1392#  ifndef IDENTPROTO
1393#   define IDENTPROTO	1
1394#  endif
1395#  ifndef SHARE_V1
1396#   define SHARE_V1	1	/* version 1 of the fair share scheduler */
1397#  endif
1398#  if !defined(__GNUC__ )
1399#   define UID_T	int	/* GNUC gets it right, ConvexC botches */
1400#   define GID_T	int	/* GNUC gets it right, ConvexC botches */
1401#  endif
1402#  if SECUREWARE
1403#   define FORK	fork		/* SecureWare wants the real fork! */
1404#  else
1405#   define FORK	vfork		/* the rest of the OS versions don't care */
1406#  endif
1407# endif /* _CONVEX_SOURCE */
1408
1409
1410/*
1411**  RISC/os 4.52
1412**
1413**	Gives a ton of warning messages, but otherwise compiles.
1414*/
1415
1416# ifdef RISCOS
1417
1418#  define HASUNSETENV	1	/* has unsetenv(3) call */
1419#  ifndef HASFLOCK
1420#   define HASFLOCK	1	/* has flock(2) call */
1421#  endif
1422#  define WAITUNION	1	/* use "union wait" as wait argument type */
1423#  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1424#  define NEEDPUTENV	1	/* need putenv(3) call */
1425#  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1426#  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1427#  define LA_TYPE	LA_INT
1428#  define LA_AVENRUN	"avenrun"
1429#  define _PATH_UNIX	"/unix"
1430#  undef WIFEXITED
1431
1432#  define setpgid	setpgrp
1433
1434typedef int		pid_t;
1435#  define SIGFUNC_DEFINED
1436#  define SIGFUNC_RETURN	(0)
1437#  define SIGFUNC_DECL	int
1438typedef int		(*sigfunc_t)();
1439extern char		*getenv();
1440extern void		*malloc();
1441
1442/* added for RISC/os 4.01...which is dumber than 4.50 */
1443#  ifdef RISCOS_4_0
1444#   ifndef ARBPTR_T
1445#    define ARBPTR_T	char *
1446#   endif
1447#   undef HASFLOCK
1448#   define HASFLOCK	0
1449#  endif /* RISCOS_4_0 */
1450
1451#  include <sys/time.h>
1452
1453# endif /* RISCOS */
1454
1455
1456/*
1457**  Linux 0.99pl10 and above...
1458**
1459**  Thanks to, in reverse order of contact:
1460**
1461**	John Kennedy <warlock@csuchico.edu>
1462**	Andrew Pam <avatar@aus.xanadu.com>
1463**	Florian La Roche <rzsfl@rz.uni-sb.de>
1464**	Karl London <karl@borg.demon.co.uk>
1465**
1466**  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1467**	file locking is no longer allowed.  In particular, make sure
1468**	your DBM library and sendmail are both using either flock(2)
1469**	*or* fcntl(2) file locking, but not both.
1470*/
1471
1472# ifdef __linux__
1473#  include <linux/version.h>
1474#  if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1475#   define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1476#  endif
1477#  define BSD		1	/* include BSD defines */
1478#  define HASSETREGID	1	/* use setregid(2) to set saved gid */
1479#  ifndef REQUIRES_DIR_FSYNC
1480#   define REQUIRES_DIR_FSYNC	1	/* requires fsync() on directory */
1481#  endif
1482#  ifndef USESETEUID
1483#   define USESETEUID	0	/* has it due to POSIX, but doesn't work */
1484#  endif
1485#  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1486#  define HASUNAME	1	/* use System V uname(2) system call */
1487#  define HASUNSETENV	1	/* has unsetenv(3) call */
1488#  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1489#  define GIDSET_T	gid_t	/* from <linux/types.h> */
1490#  ifndef HASGETUSERSHELL
1491#   define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1492#  endif
1493#  ifndef IP_SRCROUTE
1494#   define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1495#  endif
1496#  ifndef HAS_IN_H
1497#   define HAS_IN_H	1	/* use netinet/in.h */
1498#  endif
1499#  ifndef USE_SIGLONGJMP
1500#   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1501#  endif
1502#  ifndef HASFLOCK
1503#   if LINUX_VERSION_CODE < 66399
1504#    define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1505#   else /* LINUX_VERSION_CODE < 66399 */
1506#     if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
1507#      define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1508#     else
1509#      define HASFLOCK	0	/* flock(2) is broken (again) after 2.4.0 */
1510#     endif
1511#   endif /* LINUX_VERSION_CODE < 66399 */
1512#  endif /* ! HASFLOCK */
1513#  ifndef LA_TYPE
1514#   define LA_TYPE	LA_PROCSTR
1515#  endif
1516#  define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1517#  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1518#  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1519#   ifndef HASURANDOMDEV
1520#    define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1521#   endif
1522#  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) */
1523#  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1524#   define HASSTRERROR	1	/* has strerror(3) */
1525#  endif
1526#  ifndef TZ_TYPE
1527#   define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1528#  endif
1529#  if (__GLIBC__ >= 2)
1530#   include <paths.h>
1531#  endif
1532#  ifndef _PATH_SENDMAILPID
1533#   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1534#  endif
1535#  include <sys/sysmacros.h>
1536#  undef atol			/* wounded in <stdlib.h> */
1537
1538#  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1539#   define GLIBC_VERSION ((__GLIBC__ << 9) + __GLIBC_MINOR__)
1540#   if (GLIBC_VERSION >= 0x201)
1541#    define SOCKADDR_LEN_T     socklen_t
1542#    define SOCKOPT_LEN_T      socklen_t
1543#   endif
1544#  endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1545
1546#  if NETINET6
1547   /*
1548   **  Linux doesn't have a good way to tell userland what interfaces are
1549   **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1550   **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1551   **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1552   */
1553#   define ADDRCONFIG_IS_BROKEN	1
1554
1555   /*
1556   **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1557   **  in 2.1 and later, but the APIs appear before the functions.
1558   */
1559#   if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1560#    if (GLIBC_VERSION >= 0x201)
1561#     undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1562#    else
1563#     include <linux/in6.h>	/* IPv6 support */
1564#    endif
1565#    if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE))
1566     /* Have APIs in <netdb.h>, but no support in glibc */
1567#     define NEEDSGETIPNODE	1
1568#    endif
1569#    undef GLIBC_VERSION
1570#   endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1571#  endif /* NETINET6 */
1572#  ifndef HASFCHOWN
1573#   define HASFCHOWN	1	/* fchown(2) */
1574#  endif
1575#  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD)
1576#    define HASFCHMOD	1	/* fchmod(2) */
1577#  endif
1578#  if (__GLIBC__ >= 2 && __GLIBC_MINOR__ >= 19) && !defined(HAS_GETHOSTBYNAME2)
1579#   define HAS_GETHOSTBYNAME2 1
1580#  endif
1581# endif /* __linux__ */
1582
1583/*
1584**  DELL SVR4 Issue 2.2, and others
1585**	From Kimmo Suominen <kim@grendel.lut.fi>
1586**
1587**	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1588**	defined, and the definitions conflict.
1589**
1590**	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1591**	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1592**	(SVR4.0/386 version 3.0).
1593*/
1594
1595# ifdef DELL_SVR4
1596				/* no changes necessary */
1597				/* see general __svr4__ defines below */
1598# endif /* DELL_SVR4 */
1599
1600
1601/*
1602**  Apple A/UX 3.0
1603*/
1604
1605# ifdef _AUX_SOURCE
1606#  include <sys/sysmacros.h>
1607#  define BSD			/* has BSD routines */
1608#  define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1609#  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1610#  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1611#  define HASUNAME	1	/* use System V uname(2) system call */
1612#  define HASFCHMOD	1	/* has fchmod(2) syscall */
1613#  define HASINITGROUPS	1	/* has initgroups(3) call */
1614#  define HASSETVBUF	1	/* has setvbuf(3) in libc */
1615#  define HASSTRERROR	1	/* has strerror(3) */
1616#  define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1617#  define SIGFUNC_RETURN		/* POSIX-mode */
1618#  define SIGFUNC_DECL	void	/* POSIX-mode */
1619#  define ERRLIST_PREDEFINED	1
1620#  ifndef IDENTPROTO
1621#   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1622#  endif
1623#  ifndef LA_TYPE
1624#   define LA_TYPE	LA_INT
1625#   define FSHIFT	16
1626#  endif
1627#  define LA_AVENRUN	"avenrun"
1628#  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1629#  define TZ_TYPE	TZ_TZNAME
1630#  ifndef _PATH_UNIX
1631#   define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1632#  endif
1633#  ifndef _PATH_VENDOR_CF
1634#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1635#  endif
1636#  undef WIFEXITED
1637#  undef WEXITSTATUS
1638# endif /* _AUX_SOURCE */
1639
1640
1641/*
1642**  Encore UMAX V
1643**
1644**	Not extensively tested.
1645*/
1646
1647# ifdef UMAXV
1648#  define HASUNAME	1	/* use System V uname(2) system call */
1649#  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1650#  define HASINITGROUPS	1	/* has initgroups(3) call */
1651#  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1652#  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1653#  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1654#  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1655#  define MAXPATHLEN	PATH_MAX
1656extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1657extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1658#  undef WIFEXITED
1659#  undef WEXITSTATUS
1660# endif /* UMAXV */
1661
1662
1663/*
1664**  Stardent Titan 3000 running TitanOS 4.2.
1665**
1666**	Must be compiled in "cc -43" mode.
1667**
1668**	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1669**
1670**	Note the tweaking below after the BSD defines are set.
1671*/
1672
1673# ifdef titan
1674#  define setpgid	setpgrp
1675typedef int		pid_t;
1676#  undef WIFEXITED
1677#  undef WEXITSTATUS
1678# endif /* titan */
1679
1680
1681/*
1682**  Sequent DYNIX 3.2.0
1683**
1684**	From Jim Davis <jdavis@cs.arizona.edu>.
1685*/
1686
1687# ifdef sequent
1688
1689#  define BSD		1
1690#  define HASUNSETENV	1
1691#  define BSD4_3		1	/* to get signal() in conf.c */
1692#  define WAITUNION	1
1693#  define LA_TYPE	LA_FLOAT
1694#  ifdef _POSIX_VERSION
1695#   undef _POSIX_VERSION		/* set in <unistd.h> */
1696#  endif
1697#  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1698#  define setpgid	setpgrp
1699
1700/* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1701#  undef	WIFEXITED
1702#  define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1703			 ((union wait*)&(s))->w_termsig == 0)
1704#  define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1705typedef int		pid_t;
1706#  define isgraph(c)	(isprint(c) && (c != ' '))
1707
1708#  ifndef IDENTPROTO
1709#   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1710#  endif
1711
1712#  ifndef _PATH_UNIX
1713#   define _PATH_UNIX		"/dynix"
1714#  endif
1715#  ifndef _PATH_VENDOR_CF
1716#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1717#  endif
1718# endif /* sequent */
1719
1720
1721/*
1722**  Sequent DYNIX/ptx v2.0 (and higher)
1723**
1724**	For DYNIX/ptx v1.x, undefine HASSETREUID.
1725**
1726**	From Tim Wright <timw@sequent.com>.
1727**	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1728**		for DYNIX/ptx 4.0.2.
1729*/
1730
1731# ifdef _SEQUENT_
1732#  include <sys/stream.h>
1733#  define SYSTEM5	1	/* include all the System V defines */
1734#  define HASSETSID	1	/* has POSIX setsid(2) call */
1735#  define HASINITGROUPS	1	/* has initgroups(3) call */
1736#  define HASSETREUID	1	/* has setreuid(2) call */
1737#  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1738#  define GIDSET_T	gid_t
1739#  define LA_TYPE	LA_INT
1740#  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1741#  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1742#  ifndef IDENTPROTO
1743#   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1744#  endif
1745#  ifndef _PATH_VENDOR_CF
1746#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1747#  endif
1748#  ifndef _PATH_SENDMAILPID
1749#   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1750#  endif
1751# endif /* _SEQUENT_ */
1752
1753/*
1754**  Cray UNICOS, UNICOS/mk, and UNICOS/mp
1755**
1756**    UNICOS:
1757**	Ported by David L. Kensiski, Sterling Software <kensiski@nas.nasa.gov>
1758**	Update Brian Ginsbach <ginsbach@cray.com>
1759**    UNICOS/mk (Cray T3E):
1760**	Contributed by Manu Mahonen <mailadm@csc.fi>
1761**	of Center for Scientific Computing.
1762**	Update Brian Ginsbach <ginsbach@cray.com>
1763**    UNICOS/mp:
1764**	From Aaron Davis <awd@cray.com> & Brian Ginsbach <ginsbach@cray.com>
1765*/
1766
1767# if defined(_CRAY) || defined(UNICOS) || defined(_UNICOSMP)
1768#  define SYSTEM5	1	/* include all the System V defines */
1769#  define HASFCHMOD	1	/* has fchmod(2) syscall */
1770#  define HASFCHOWN	1	/* has fchown(2) */
1771#  define HASUNSETENV	1	/* has unsetenv(3) call */
1772#  define HASINITGROUPS	1	/* has initgroups(3) call */
1773#  define HASSETREUID	1	/* has setreuid(2) call */
1774#  define USESETEUID	1	/* has usable seteuid(2) call */
1775#  define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
1776#  define HASSTRERROR	1	/* has strerror(3) */
1777#  define GIDSET_T	gid_t
1778#  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1779#  define SFS_BAVAIL	f_bfree	/* alternate field name */
1780#  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
1781#  ifdef UNICOS
1782#   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1783#   define LA_TYPE	LA_ZERO
1784#   define _PATH_MAILDIR	"/usr/spool/mail"
1785#   define GET_IPOPT_DST(dst) *(struct in_addr *)&(dst)
1786#   ifndef MAXPATHLEN
1787#    define MAXPATHLEN PATHSIZE
1788#   endif
1789#   ifndef _PATH_UNIX
1790#    ifdef UNICOSMK
1791#     define _PATH_UNIX		"/unicosmk.ar"
1792#    else
1793#     define _PATH_UNIX		"/unicos"
1794#    endif
1795#   endif /* ! _PATH_UNIX */
1796#   ifndef _PATH_VENDOR_CF
1797#    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1798#   endif
1799#  endif /* UNICOS */
1800#  ifdef _UNICOSMP
1801#  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
1802    /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
1803#   define _SC_NPROCESSORS_ONLN  _SC_NPROC_ONLN
1804#  endif
1805#   define HASGETUSERSHELL 0		/* does not have getusershell(3) call */
1806#   define HASSETRLIMIT	   1		/* has setrlimit(2) syscall */
1807#   define LA_TYPE	LA_IRIX6	/* figure out at run time */
1808#   include <sys/cdefs.h>
1809#   include <paths.h>
1810#   define ARGV_T char *const *
1811#  endif /* _UNICOSMP */
1812# endif /* _CRAY */
1813
1814/*
1815**  Apollo DomainOS
1816**
1817**  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1818**
1819**  15 Jan 1994; updated 2 Aug 1995
1820**
1821*/
1822
1823# ifdef apollo
1824#  define HASSETREUID	1	/* has setreuid(2) call */
1825#  define HASINITGROUPS	1	/* has initgroups(2) call */
1826#  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1827#  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1828#  define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1829#  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1830#  define SFS_BAVAIL	f_bfree		/* alternate field name */
1831#  define TZ_TYPE	TZ_TZNAME
1832#  ifndef _PATH_VENDOR_CF
1833#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1834#  endif
1835#  ifndef _PATH_SENDMAILPID
1836#   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1837#  endif
1838#  undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1839#  undef	 S_IFIFO
1840#  define S_IFIFO	0010000
1841#  ifndef IDENTPROTO
1842#   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1843#  endif
1844#  define RLIMIT_NEEDS_SYS_TIME_H	1
1845#  if defined(NGROUPS_MAX) && !NGROUPS_MAX
1846#   undef NGROUPS_MAX
1847#  endif
1848# endif /* apollo */
1849
1850/*
1851**  MPE-iX
1852**
1853**	Requires MPE 6.0 or greater.  See sendmail/README for more info.
1854**
1855**	From Mark Bixby <mark_bixby@hp.com> or <mark@bixby.org>.
1856*/
1857
1858# ifdef MPE
1859
1860#  include <sys/sysmacros.h>
1861#  include <fcntl.h>
1862
1863/* Sendmail stuff */
1864#  define HASFCHOWN		0	/* lacks fchown() */
1865#  define HASGETUSERSHELL	0	/* lacks getusershell() */
1866#  ifdef HASNICE
1867#   undef  HASNICE
1868#  endif
1869#  define HASNICE		0	/* lacks nice() */
1870#  define HASRANDOM		0	/* lacks random() */
1871#  ifdef HASRRESVPORT
1872#   undef HASRRESVPORT
1873#  endif
1874#  define HASRRESVPORT		0	/* lacks rresvport() */
1875#  define IP_SRCROUTE		0	/* lacks IP source routing fields */
1876#  ifdef MATCHGECOS
1877#   undef MATCHGECOS
1878#  endif
1879#  define MATCHGECOS		0	/* lacks an initialized GECOS field */
1880#  define NEEDFSYNC		1	/* use sendmail's fsync() */
1881#  define NEEDLINK		1	/* use sendmail's link() */
1882#  define NOFTRUNCATE		1	/* lacks ftruncate() */
1883#  define SFS_TYPE		SFS_NONE /* can't determine disk space */
1884#  define SM_CONF_SYSLOG	0	/* use sendmail decl of syslog() */
1885#  define USE_DOUBLE_FORK	0	/* don't fork an intermediate zombie */
1886#  define USE_ENVIRON		1	/* use environ instead of envp */
1887
1888/* Missing header stuff */
1889#  define AF_UNSPEC		0
1890#  define AF_MAX		AF_INET
1891#  define IFF_LOOPBACK		0x8
1892#  define IN_LOOPBACKNET	127
1893#  define MAXNAMLEN		NAME_MAX
1894#  define S_IEXEC		S_IXUSR
1895#  define S_IREAD		S_IRUSR
1896#  define S_IWRITE		S_IWUSR
1897
1898/* Present header stuff that needs to be missing */
1899#  undef NGROUPS_MAX
1900
1901/* Shadow functions */
1902#  define bind		sendmail_mpe_bind
1903#  define _exit		sendmail_mpe__exit
1904#  define exit		sendmail_mpe_exit
1905#  define fcntl		sendmail_mpe_fcntl
1906#  define getegid	sendmail_mpe_getegid
1907#  define geteuid	sendmail_mpe_geteuid
1908#  define getpwnam	sendmail_mpe_getpwnam
1909#  define getpwuid	sendmail_mpe_getpwuid
1910#  define setgid	sendmail_mpe_setgid
1911#  define setuid	sendmail_mpe_setuid
1912extern int		sendmail_mpe_fcntl __P((int, int, ...));
1913extern struct passwd *	sendmail_mpe_getpwnam __P((const char *));
1914extern struct passwd *	sendmail_mpe_getpwuid __P((uid_t));
1915# endif /* MPE */
1916
1917/*
1918**  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1919**
1920**	Contributed by Paul Gampe <paulg@apnic.net>
1921*/
1922
1923# ifdef __svr5__
1924#  include <sys/mkdev.h>
1925#  define __svr4__
1926#  define SYS5SIGNALS		1
1927#  define HASFCHOWN		1	/* has fchown(2) call */
1928#  define HASSETSID	1	/* has POSIX setsid(2) call */
1929#  define HASSETREUID		1
1930#  define HASWAITPID		1
1931#  define HASGETDTABLESIZE	1
1932#  define GIDSET_T		gid_t
1933#  define SOCKADDR_LEN_T	size_t
1934#  define SOCKOPT_LEN_T		size_t
1935#  define SIGWAIT_TAKES_1_ARG	1
1936#  ifndef _PATH_UNIX
1937#   define _PATH_UNIX		"/stand/unix"
1938#  endif
1939#  define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1940#  ifndef SYSLOG_BUFSIZE
1941#   define SYSLOG_BUFSIZE	1024	/* unsure */
1942#  endif
1943#  ifndef _PATH_VENDOR_CF
1944#   define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1945#  endif
1946#  ifndef _PATH_SENDMAILPID
1947#   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1948#  endif
1949#  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1950#if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT)
1951# define SM_SET_H_ERRNO(err)	set_h_errno((err))
1952#endif
1953# endif /* __svr5__ */
1954
1955/* ###################################################################### */
1956
1957/*
1958**  UnixWare 2.x
1959*/
1960
1961# ifdef UNIXWARE2
1962#  define UNIXWARE	1
1963#  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1964# endif /* UNIXWARE2 */
1965
1966
1967/*
1968**  UnixWare 1.1.2.
1969**
1970**	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1971**	From Evan Champion <evanc@spatial.synapse.org>.
1972*/
1973
1974# ifdef UNIXWARE
1975#  include <sys/mkdev.h>
1976#  define SYSTEM5		1
1977#  define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1978#  define HASSETREUID		1
1979#  define HASSETSID	1	/* has POSIX setsid(2) call */
1980#  define HASINITGROUPS		1
1981#  define GIDSET_T		gid_t
1982#  define SLEEP_T		unsigned
1983#  define SFS_TYPE		SFS_STATVFS
1984#  define LA_TYPE		LA_ZERO
1985#  undef WIFEXITED
1986#  undef WEXITSTATUS
1987#  ifndef _PATH_UNIX
1988#   define _PATH_UNIX		"/unix"
1989#  endif
1990#  ifndef _PATH_VENDOR_CF
1991#   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1992#  endif
1993#  ifndef _PATH_SENDMAILPID
1994#   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1995#  endif
1996#  define SYSLOG_BUFSIZE	128
1997# endif /* UNIXWARE */
1998
1999
2000/*
2001**  Intergraph CLIX 3.1
2002**
2003**	From Paul Southworth <pauls@locust.cic.net>
2004*/
2005
2006# ifdef CLIX
2007#  define SYSTEM5	1	/* looks like System V */
2008#  ifndef HASGETUSERSHELL
2009#   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2010#  endif
2011#  define DEV_BSIZE	512	/* device block size not defined */
2012#  define GIDSET_T	gid_t
2013#  undef LOG			/* syslog not available */
2014#  define NEEDFSYNC	1	/* no fsync in system library */
2015#  define GETSHORT	_getshort
2016# endif /* CLIX */
2017
2018
2019/*
2020**  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
2021**
2022**	From Kevin Darcy <kevin@tech.mis.cfc.com>.
2023*/
2024
2025# ifdef NCR_MP_RAS2
2026#  include <sys/sockio.h>
2027#  define __svr4__
2028#  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
2029#  define SYSLOG_BUFSIZE	1024
2030#  define SPT_TYPE  SPT_NONE
2031# endif /* NCR_MP_RAS2 */
2032
2033
2034/*
2035**  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
2036**
2037**	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
2038*/
2039
2040# ifdef NCR_MP_RAS3
2041#  define __svr4__
2042#  define HASFCHOWN		1	/* has fchown(2) call */
2043#  define LDA_USE_LOCKF		1
2044#  define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
2045#  define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
2046#  define SYSLOG_BUFSIZE	1024
2047#  define SPT_TYPE	SPT_NONE
2048#  define _PATH_MAILDIR	"/var/mail"
2049#  ifndef _XOPEN_SOURCE
2050#   define _XOPEN_SOURCE
2051#   define _XOPEN_SOURCE_EXTENDED 1
2052#   include <sys/resource.h>
2053#   undef _XOPEN_SOURCE
2054#   undef _XOPEN_SOURCE_EXTENDED
2055#  endif /* ! _XOPEN_SOURCE */
2056# endif /* NCR_MP_RAS3 */
2057
2058
2059/*
2060**  Tandem NonStop-UX SVR4
2061**
2062**	From Rick McCarty <mccarty@mpd.tandem.com>.
2063*/
2064
2065# ifdef NonStop_UX_BXX
2066#  define __svr4__
2067# endif /* NonStop_UX_BXX */
2068
2069
2070/*
2071**  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
2072**
2073**	Tested for 1.04, 1.03
2074**	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
2075**
2076**	Tested for 4.02, 6.10 and 7.10
2077**	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
2078*/
2079
2080# if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
2081#  define SYSTEM5	1	/* include all the System V defines */
2082#  define HASINITGROUPS	1	/* has initgroups(3) call */
2083#  define HASFCHMOD	1	/* has fchmod(2) syscall */
2084#  define setreuid(r, e)	setresuid(r, e, -1)
2085#  define LA_TYPE	LA_FLOAT
2086#  define SPT_TYPE	SPT_PSTAT
2087#  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
2088#  ifndef HASSETVBUF
2089#   define HASSETVBUF	/* HI-UX has no setlinebuf */
2090#  endif
2091#  ifndef GIDSET_T
2092#   define GIDSET_T	gid_t
2093#  endif
2094#  ifndef _PATH_UNIX
2095#   define _PATH_UNIX		"/HI-UX"
2096#  endif
2097#  ifndef _PATH_VENDOR_CF
2098#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2099#  endif
2100#  ifndef IDENTPROTO
2101#   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2102#  endif
2103#  ifndef HASGETUSERSHELL
2104#   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
2105#  endif
2106#  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
2107
2108/*
2109**  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
2110**  on HIUX 3050
2111*/
2112#  undef m_flags
2113
2114#  define SM_CONF_SYSLOG	0
2115
2116# endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
2117
2118
2119/*
2120**  Amdahl UTS System V 2.1.5 (SVr3-based)
2121**
2122**    From: Janet Jackson <janet@dialix.oz.au>.
2123*/
2124
2125# ifdef _UTS
2126#  include <sys/sysmacros.h>
2127#  undef HASLSTAT		/* has symlinks, but they cause problems */
2128#  define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
2129#  define SYS5SIGNALS	1	/* System V signal semantics */
2130#  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2131#  define HASUNAME	1	/* use System V uname(2) system call */
2132#  define HASINITGROUPS	1	/* has initgroups(3) function */
2133#  define HASSETVBUF	1	/* has setvbuf(3) function */
2134#  ifndef HASGETUSERSHELL
2135#   define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
2136#  endif
2137#  define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
2138#  define LA_TYPE	LA_ZERO		/* doesn't have load average */
2139#  define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
2140#  define SFS_BAVAIL	f_bfree		/* alternate field name */
2141#  define _PATH_UNIX		"/unix"
2142#  ifndef _PATH_VENDOR_CF
2143#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2144#  endif
2145# endif /* _UTS */
2146
2147/*
2148**  Cray Computer Corporation's CSOS
2149**
2150**	From Scott Bolte <scott@craycos.com>.
2151*/
2152
2153# ifdef _CRAYCOM
2154#  define SYSTEM5	1	/* include all the System V defines */
2155#  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2156#  define NEEDFSYNC	1	/* no fsync in system library */
2157#  define MAXPATHLEN	PATHSIZE
2158#  define LA_TYPE	LA_ZERO
2159#  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
2160#  define SFS_BAVAIL	f_bfree		/* alternate field name */
2161#  define _POSIX_CHOWN_RESTRICTED	-1
2162extern struct group	*getgrent(), *getgrnam(), *getgrgid();
2163# endif /* _CRAYCOM */
2164
2165
2166/*
2167**  Sony NEWS-OS 4.2.1R and 6.0.3
2168**
2169**	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2170*/
2171
2172# ifdef sony_news
2173#  ifndef __svr4
2174			/* NEWS-OS 4.2.1R */
2175#   ifndef BSD
2176#    define BSD			/* has BSD routines */
2177#   endif
2178#   define HASUNSETENV	1	/* has unsetenv(2) call */
2179#   undef HASSETVBUF		/* don't actually have setvbuf(3) */
2180#   define WAITUNION	1	/* use "union wait" as wait argument type */
2181#   define LA_TYPE	LA_INT
2182#   define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2183#   ifndef HASFLOCK
2184#    define HASFLOCK	1	/* has flock(2) call */
2185#   endif
2186#   define setpgid	setpgrp
2187#   undef WIFEXITED
2188#   undef WEXITSTATUS
2189#   define MODE_T	int	/* system include files have no mode_t */
2190typedef int		pid_t;
2191typedef int		(*sigfunc_t)();
2192#   define SIGFUNC_DEFINED
2193#   define SIGFUNC_RETURN	(0)
2194#   define SIGFUNC_DECL		int
2195
2196#  else /* ! __svr4 */
2197			/* NEWS-OS 6.0.3 with /bin/cc */
2198#   ifndef __svr4__
2199#    define __svr4__		/* use all System V Release 4 defines below */
2200#   endif
2201#   define HASSETSID	1	/* has POSIX setsid(2) call */
2202#   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
2203#   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2204#   ifndef SPT_TYPE
2205#    define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
2206#   endif
2207#   define GIDSET_T	gid_t
2208#   undef WIFEXITED
2209#   undef WEXITSTATUS
2210#   ifndef SYSLOG_BUFSIZE
2211#    define SYSLOG_BUFSIZE	256
2212#   endif
2213#   define _PATH_UNIX		"/stand/unix"
2214#   ifndef _PATH_VENDOR_CF
2215#    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2216#   endif
2217#   ifndef _PATH_SENDMAILPID
2218#    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2219#   endif
2220
2221#  endif /* ! __svr4 */
2222# endif /* sony_news */
2223
2224
2225/*
2226**  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
2227**
2228**	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2229*/
2230
2231# ifdef luna
2232#  ifndef IDENTPROTO
2233#   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2234#  endif
2235#  define HASUNSETENV	1	/* has unsetenv(2) call */
2236#  define NEEDPUTENV	1	/* need putenv(3) call */
2237#  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
2238#  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2239#  define WAITUNION	1	/* use "union wait" as wait argument type */
2240#  ifdef uniosb
2241#   include <sys/time.h>
2242#   define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2243#   define LA_TYPE	LA_INT
2244#   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2245#  endif /* uniosb */
2246#  ifdef luna2
2247#   define LA_TYPE	LA_SUBR
2248#   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2249#  endif /* luna2 */
2250#  ifdef luna88k
2251#   define LA_TYPE	LA_INT
2252#  endif
2253#  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2254#  define setpgid	setpgrp
2255#  undef WIFEXITED
2256#  undef WEXITSTATUS
2257typedef int		pid_t;
2258typedef int		(*sigfunc_t)();
2259#  define SIGFUNC_DEFINED
2260#  define SIGFUNC_RETURN	(0)
2261#  define SIGFUNC_DECL	int
2262extern char	*getenv();
2263#  ifndef _PATH_VENDOR_CF
2264#   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2265#  endif /* ! _PATH_VENDOR_CF */
2266# endif /* luna */
2267
2268
2269/*
2270**  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2271**
2272**	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2273*/
2274
2275# if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2276#  ifndef __svr4__
2277#   define __svr4__		/* use all System V Release 4 defines below */
2278#  endif
2279#  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2280#  define HASSETSID	1	/* has POSIX setsid(2) call */
2281#  define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2282#  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2283#  define GIDSET_T	gid_t
2284#  undef WIFEXITED
2285#  undef WEXITSTATUS
2286#  define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2287#  ifndef _PATH_VENDOR_CF
2288#   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2289#  endif
2290#  ifndef _PATH_SENDMAILPID
2291#   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2292#  endif
2293#  ifndef SYSLOG_BUFSIZE
2294#   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2295#  endif
2296# endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2297
2298
2299/*
2300**  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2301**
2302**	From Diego R. Lopez <drlopez@cica.es>.
2303**	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2304**		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2305*/
2306
2307# ifdef __uxp__
2308#  include <arpa/nameser.h>
2309#  include <sys/sysmacros.h>
2310#  include <sys/mkdev.h>
2311#  define __svr4__
2312#  define HASGETUSERSHELL	0
2313#  define HASFLOCK		0
2314#  define _PATH_UNIX		"/stand/unix"
2315#  ifndef _PATH_VENDOR_CF
2316#   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2317#  endif
2318#  ifndef _PATH_SENDMAILPID
2319#   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2320#  endif
2321# endif /* __uxp__ */
2322
2323/*
2324**  Pyramid DC/OSx
2325**
2326**	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2327*/
2328
2329# ifdef DCOSx
2330#  define GIDSET_T	gid_t
2331#  ifndef IDENTPROTO
2332#   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2333#  endif
2334# endif /* DCOSx */
2335
2336/*
2337**  Concurrent Computer Corporation Maxion
2338**
2339**	From Donald R. Laster Jr. <laster@access.digex.net>.
2340*/
2341
2342# ifdef __MAXION__
2343
2344#  include <sys/stream.h>
2345#  define __svr4__		1	/* SVR4.2MP */
2346#  define HASSETREUID		1	/* have setreuid(2) */
2347#  define HASLSTAT		1	/* have lstat(2) */
2348#  define HASSETRLIMIT		1	/* have setrlimit(2) */
2349#  define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2350#  define HASGETUSERSHELL	1	/* have getusershell(3) */
2351#  define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2352#  define SLEEP_T		unsigned
2353#  define SFS_TYPE		SFS_STATVFS
2354#  define SFS_BAVAIL		f_bavail
2355#  ifndef SYSLOG_BUFSIZE
2356#   define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2357#  endif
2358
2359#  undef WUNTRACED
2360#  undef WIFEXITED
2361#  undef WIFSIGNALED
2362#  undef WIFSTOPPED
2363#  undef WEXITSTATUS
2364#  undef WTERMSIG
2365#  undef WSTOPSIG
2366
2367# endif /* __MAXION__ */
2368
2369/*
2370**  Harris Nighthawk PowerUX (nh6000 box)
2371**
2372**  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2373*/
2374
2375# ifdef _PowerUX
2376#  ifndef __svr4__
2377#   define __svr4__
2378#  endif
2379#  ifndef _PATH_VENDOR_CF
2380#   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2381#  endif
2382#  ifndef _PATH_SENDMAILPID
2383#   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2384#  endif
2385#  define SYSLOG_BUFSIZE		1024
2386#  define LA_TYPE		LA_ZERO
2387typedef struct msgb		mblk_t;
2388#  undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2389# endif /* _PowerUX */
2390
2391/*
2392**  Siemens Nixdorf Informationssysteme AG SINIX
2393**
2394**	Contributed by Gerald Rinske of Siemens Business Services VAS.
2395*/
2396# ifdef sinix
2397#  define HASRANDOM		0	/* has random(3) */
2398#  define SYSLOG_BUFSIZE	1024
2399#  define SM_INT32		int	/* 32bit integer */
2400# endif /* sinix */
2401
2402
2403/*
2404**  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2405**
2406**	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2407*/
2408
2409# ifdef MOTO
2410#  define HASFCHMOD		1
2411#  define HASSETRLIMIT		0
2412#  define HASSETSID	1	/* has POSIX setsid(2) call */
2413#  define HASSETREUID		1
2414#  define HASULIMIT		1
2415#  define HASWAITPID		1
2416#  define HASGETDTABLESIZE	1
2417#  define HASGETUSERSHELL	1
2418#  define IP_SRCROUTE		0
2419#  define IDENTPROTO		0
2420#  define RES_DNSRCH_VARIABLE	_res_dnsrch
2421#  define _PATH_UNIX		"/unix"
2422#  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2423#  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2424# endif /* MOTO */
2425
2426/*
2427**  Interix
2428**	Contributed by Nedelcho Stanev <nedelcho.stanev@atlanticsky.com>
2429**
2430**	Used for Interix support.
2431*/
2432
2433# if defined(__INTERIX)
2434#  define HASURANDOMDEV		1
2435#  define HASGETUSERSHELL	0
2436#  define HASSTRERROR		1
2437#  define HASUNSETENV		1
2438#  define HASFCHOWN		1
2439#  undef HAVE_SYS_ERRLIST
2440#  define sys_errlist		__sys_errlist
2441#  define sys_nerr		__sys_nerr
2442#  include <sys/mkdev.h>
2443#  ifndef major
2444#   define major(dev)		((int)(((dev) >> 8) & 0xff))
2445#  endif
2446#  ifndef minor
2447#   define minor(dev)		((int)((dev) & 0xff))
2448#  endif
2449# endif /* defined(__INTERIX) */
2450
2451
2452/**********************************************************************
2453**  End of Per-Operating System defines
2454**********************************************************************/
2455/**********************************************************************
2456**  More general defines
2457**********************************************************************/
2458
2459/* general BSD defines */
2460# ifdef BSD
2461#  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2462#  ifndef HASSETREUID
2463#   define HASSETREUID	1	/* has setreuid(2) call */
2464#  endif
2465#  define HASINITGROUPS	1	/* has initgroups(3) call */
2466#  ifndef IP_SRCROUTE
2467#   define IP_SRCROUTE	1	/* can check IP source routing */
2468#  endif
2469#  ifndef HASSETRLIMIT
2470#   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2471#  endif
2472#  ifndef HASFLOCK
2473#   define HASFLOCK	1	/* has flock(2) call */
2474#  endif
2475#  ifndef TZ_TYPE
2476#   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2477#  endif
2478# endif /* BSD */
2479
2480/* general System V Release 4 defines */
2481# ifdef __svr4__
2482#  define SYSTEM5	1
2483#  define USESETEUID	1	/* has usable seteuid(2) call */
2484#  define HASINITGROUPS	1	/* has initgroups(3) call */
2485#  define BSD_COMP	1	/* get BSD ioctl calls */
2486#  ifndef HASSETRLIMIT
2487#   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2488#  endif
2489#  ifndef HASGETUSERSHELL
2490#   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2491#  endif
2492#  ifndef HASFCHMOD
2493#   define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2494#  endif
2495
2496#  ifndef _PATH_UNIX
2497#   define _PATH_UNIX		"/unix"
2498#  endif
2499#  ifndef _PATH_VENDOR_CF
2500#   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2501#  endif
2502#  ifndef _PATH_SENDMAILPID
2503#   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2504#  endif
2505#  ifndef SYSLOG_BUFSIZE
2506#   define SYSLOG_BUFSIZE	128
2507#  endif
2508#  ifndef SFS_TYPE
2509#   define SFS_TYPE		SFS_STATVFS
2510#  endif
2511
2512#  ifndef USE_SIGLONGJMP
2513#   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
2514#  endif
2515# endif /* __svr4__ */
2516
2517# ifdef __SVR4
2518#  define LDA_USE_LOCKF		1
2519#  define LDA_USE_SETEUID	1
2520#  define _PATH_MAILDIR		"/var/mail"
2521# endif /* __SVR4 */
2522
2523/* general System V defines */
2524# ifdef SYSTEM5
2525#  include <sys/sysmacros.h>
2526#  define HASUNAME	1	/* use System V uname(2) system call */
2527#  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2528#  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2529#  ifndef HASULIMIT
2530#   define HASULIMIT	1	/* has the ulimit(2) syscall */
2531#  endif
2532#  ifndef LA_TYPE
2533#   ifdef MIOC_READKSYM
2534#    define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2535#   else
2536#    define LA_TYPE	LA_INT		/* assume integer load average */
2537#   endif
2538#  endif /* ! LA_TYPE */
2539#  ifndef SFS_TYPE
2540#   define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2541#  endif
2542#  ifndef TZ_TYPE
2543#   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2544#  endif
2545# endif /* SYSTEM5 */
2546
2547/* general POSIX defines */
2548# ifdef _POSIX_VERSION
2549#  define HASSETSID	1	/* has POSIX setsid(2) call */
2550#  define HASWAITPID	1	/* has POSIX waitpid(2) call */
2551#  if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2552#   define USESETEUID	1	/* has usable seteuid(2) call */
2553#  endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2554# endif /* _POSIX_VERSION */
2555/*
2556**  Tweaking for systems that (for example) claim to be BSD or POSIX
2557**  but don't have all the standard BSD or POSIX routines (boo hiss).
2558*/
2559
2560# ifdef titan
2561#  undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2562# endif
2563
2564# ifdef _CRAYCOM
2565#  undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2566# endif
2567
2568# ifdef MOTO
2569#  undef USESETEUID
2570# endif
2571
2572/*
2573**  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2574**  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2575**  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2576**  are closed.  Some firewalls return this error if you try to connect
2577**  to the IDENT port (113), so you can't receive email from these hosts
2578**  on these systems.  The firewall really should use a more specific
2579**  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2580**  not explicitly set to zero above, default it on.
2581*/
2582
2583# ifndef IDENTPROTO
2584#  define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2585# endif
2586
2587# ifndef IP_SRCROUTE
2588#  define IP_SRCROUTE	1	/* Detect IP source routing */
2589# endif
2590
2591# ifndef HASGETUSERSHELL
2592#  define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2593# endif
2594
2595# ifndef NETUNIX
2596#  define NETUNIX	1	/* include unix domain support */
2597# endif
2598
2599# ifndef HASRANDOM
2600#  define HASRANDOM	1	/* has random(3) support */
2601# endif
2602
2603# ifndef HASFLOCK
2604#  define HASFLOCK	0	/* assume no flock(2) support */
2605# endif
2606
2607# ifndef HASSETREUID
2608#  define HASSETREUID	0	/* assume no setreuid(2) call */
2609# endif
2610
2611# ifndef HASFCHMOD
2612#  define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2613# endif
2614
2615# ifndef USESETEUID
2616#  define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2617# endif
2618
2619# ifndef HASSETRLIMIT
2620#  define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2621# endif
2622
2623# ifndef HASULIMIT
2624#  define HASULIMIT	0	/* assume no ulimit(2) support */
2625# endif
2626
2627# ifndef SECUREWARE
2628#  define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2629# endif
2630
2631# ifndef USE_DOUBLE_FORK
2632#  define USE_DOUBLE_FORK	1	/* avoid intermediate zombies */
2633# endif
2634
2635# ifndef USE_ENVIRON
2636#  define USE_ENVIRON	0	/* use main() envp instead of extern environ */
2637# endif
2638
2639# ifndef USE_SIGLONGJMP
2640#  define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2641# endif
2642
2643# ifndef FDSET_CAST
2644#  define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2645# endif
2646
2647/*
2648**  Pick a mailer setuid method for changing the current uid
2649*/
2650
2651# define USE_SETEUID	0
2652# define USE_SETREUID	1
2653# define USE_SETUID	2
2654
2655# if USESETEUID
2656#  define MAILER_SETUID_METHOD	USE_SETEUID
2657# else /* USESETEUID */
2658#  if HASSETREUID
2659#   define MAILER_SETUID_METHOD	USE_SETREUID
2660#  else
2661#   define MAILER_SETUID_METHOD	USE_SETUID
2662#  endif
2663# endif /* USESETEUID */
2664
2665/*
2666**  If no type for argument two of getgroups call is defined, assume
2667**  it's an integer -- unfortunately, there seem to be several choices
2668**  here.
2669*/
2670
2671# ifndef GIDSET_T
2672#  define GIDSET_T	int
2673# endif
2674
2675# ifndef UID_T
2676#  define UID_T		uid_t
2677# endif
2678
2679# ifndef GID_T
2680#  define GID_T		gid_t
2681# endif
2682
2683# ifndef MODE_T
2684#  define MODE_T		mode_t
2685# endif
2686
2687# ifndef ARGV_T
2688#  define ARGV_T		char **
2689# endif
2690
2691# ifndef SOCKADDR_LEN_T
2692#  define SOCKADDR_LEN_T	int
2693# endif
2694
2695# ifndef SOCKOPT_LEN_T
2696#  define SOCKOPT_LEN_T	int
2697# endif
2698
2699# ifndef QUAD_T
2700#  define QUAD_T	unsigned long
2701# endif
2702/**********************************************************************
2703**  Remaining definitions should never have to be changed.  They are
2704**  primarily to provide back compatibility for older systems -- for
2705**  example, it includes some POSIX compatibility definitions
2706**********************************************************************/
2707
2708/* System 5 compatibility */
2709# ifndef S_ISREG
2710#  define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2711# endif
2712# ifndef S_ISDIR
2713#  define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2714# endif
2715# if !defined(S_ISLNK) && defined(S_IFLNK)
2716#  define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2717# endif
2718# if !defined(S_ISFIFO)
2719#  if defined(S_IFIFO)
2720#   define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2721#  else
2722#   define S_ISFIFO(foo)	false
2723#  endif
2724# endif /* !defined(S_ISFIFO) */
2725# ifndef S_IRUSR
2726#  define S_IRUSR		0400
2727# endif
2728# ifndef S_IWUSR
2729#  define S_IWUSR		0200
2730# endif
2731# ifndef S_IRGRP
2732#  define S_IRGRP		0040
2733# endif
2734# ifndef S_IWGRP
2735#  define S_IWGRP		0020
2736# endif
2737# ifndef S_IROTH
2738#  define S_IROTH		0004
2739# endif
2740# ifndef S_IWOTH
2741#  define S_IWOTH		0002
2742# endif
2743
2744/* close-on-exec flag */
2745# ifndef FD_CLOEXEC
2746#  define FD_CLOEXEC	1
2747# endif
2748
2749/*
2750**  Older systems don't have this error code -- it should be in
2751**  /usr/include/sysexits.h.
2752*/
2753
2754# ifndef EX_CONFIG
2755#  define EX_CONFIG	78	/* configuration error */
2756# endif
2757
2758/* pseudo-codes */
2759# define EX_QUIT	22	/* drop out of server immediately */
2760# define EX_RESTART	23	/* restart sendmail daemon */
2761# define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2762
2763#ifndef EX_NOTFOUND
2764# define EX_NOTFOUND	EX_NOHOST
2765#endif
2766
2767/* pseudo-code used for mci_setstat */
2768# define EX_NOTSTICKY	(-5)	/* don't save persistent status */
2769
2770
2771/*
2772**  An "impossible" file mode to indicate that the file does not exist.
2773*/
2774
2775# define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2776
2777
2778/* type of arbitrary pointer */
2779# ifndef ARBPTR_T
2780#  define ARBPTR_T	void *
2781# endif
2782
2783# ifndef __P
2784#  include "sm/cdefs.h"
2785# endif
2786
2787# if HESIOD && !defined(NAMED_BIND)
2788#  define NAMED_BIND	1	/* not one without the other */
2789# endif
2790
2791#  if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2792extern int	h_errno;
2793#  endif
2794
2795# if NEEDPUTENV
2796extern int	putenv __P((char *));
2797# endif
2798
2799#if !HASUNSETENV
2800extern void	unsetenv __P((char *));
2801#endif
2802
2803# ifdef LDAPMAP
2804#  include <sys/time.h>
2805#  include <lber.h>
2806#  include <ldap.h>
2807
2808/* Some LDAP constants */
2809#  define LDAPMAP_FALSE		0
2810#  define LDAPMAP_TRUE		1
2811
2812/*
2813**  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2814**  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2815**  and assume (falsely) that all old API implementations are broken.
2816**  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2817*/
2818
2819#  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2820#   define USE_LDAP_INIT	1
2821#  endif
2822
2823#  if !defined(LDAP_NETWORK_TIMEOUT) && defined(_FFR_LDAP_NETWORK_TIMEOUT)
2824#   define LDAP_NETWORK_TIMEOUT	_FFR_LDAP_NETWORK_TIMEOUT
2825#  endif
2826
2827#  if !defined(LDAP_NETWORK_TIMEOUT) && defined(LDAP_OPT_NETWORK_TIMEOUT)
2828#   define LDAP_NETWORK_TIMEOUT	1
2829#  endif
2830
2831/*
2832**  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2833**  hence ldap_set_option() must not exist.
2834*/
2835
2836#  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2837#   define USE_LDAP_SET_OPTION	1
2838#  endif
2839
2840# endif /* LDAPMAP */
2841
2842# if HASUNAME
2843#  include <sys/utsname.h>
2844#  ifdef newstr
2845#   undef newstr
2846#  endif
2847# else /* HASUNAME */
2848#  define NODE_LENGTH 32
2849struct utsname
2850{
2851	char nodename[NODE_LENGTH + 1];
2852};
2853# endif /* HASUNAME */
2854
2855# if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2856#  define MAXHOSTNAMELEN	256
2857# endif
2858
2859
2860# if defined(__linux__) && MAXHOSTNAMELEN < 255
2861   /*
2862   **  override Linux weirdness: a FQHN can be 255 chars long
2863   **  SUSv3 requires HOST_NAME_MAX ("Maximum length of a host
2864   **  name (not including the terminating null) as returned from the
2865   **  gethostname() function.") to be at least 255.  c.f.:
2866   **  http://www.opengroup.org/onlinepubs/009695399
2867   **  but Linux defines that to 64 too.
2868   */
2869#  undef MAXHOSTNAMELEN
2870#  define MAXHOSTNAMELEN	256
2871# endif /* defined(__linux__) && MAXHOSTNAMELEN < 255 */
2872
2873# if !defined(SIGCHLD) && defined(SIGCLD)
2874#  define SIGCHLD	SIGCLD
2875# endif
2876
2877# ifndef STDIN_FILENO
2878#  define STDIN_FILENO	0
2879# endif
2880
2881# ifndef STDOUT_FILENO
2882#  define STDOUT_FILENO	1
2883# endif
2884
2885# ifndef STDERR_FILENO
2886#  define STDERR_FILENO	2
2887# endif
2888
2889# ifndef LOCK_SH
2890#  define LOCK_SH	0x01	/* shared lock */
2891#  define LOCK_EX	0x02	/* exclusive lock */
2892#  define LOCK_NB	0x04	/* non-blocking lock */
2893#  define LOCK_UN	0x08	/* unlock */
2894# endif /* ! LOCK_SH */
2895
2896# ifndef S_IXOTH
2897#  define S_IXOTH	(S_IEXEC >> 6)
2898# endif
2899
2900# ifndef S_IXGRP
2901#  define S_IXGRP	(S_IEXEC >> 3)
2902# endif
2903
2904# ifndef S_IXUSR
2905#  define S_IXUSR	(S_IEXEC)
2906# endif
2907
2908#ifndef O_ACCMODE
2909# define O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
2910#endif
2911
2912# ifndef SEEK_SET
2913#  define SEEK_SET	0
2914#  define SEEK_CUR	1
2915#  define SEEK_END	2
2916# endif /* ! SEEK_SET */
2917
2918# ifndef SIG_ERR
2919#  define SIG_ERR	((void (*)()) -1)
2920# endif
2921
2922# ifndef WEXITSTATUS
2923#  define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2924# endif
2925# ifndef WIFEXITED
2926#  define WIFEXITED(st)		(((st) & 0377) == 0)
2927# endif
2928# ifndef WIFSTOPPED
2929#  define WIFSTOPPED(st)		(((st) & 0100) == 0)
2930# endif
2931# ifndef WCOREDUMP
2932#  define WCOREDUMP(st)		(((st) & 0200) != 0)
2933# endif
2934# ifndef WTERMSIG
2935#  define WTERMSIG(st)		(((st) & 0177))
2936# endif
2937
2938# ifndef SIGFUNC_DEFINED
2939typedef void		(*sigfunc_t) __P((int));
2940# endif
2941# ifndef SIGFUNC_RETURN
2942#  define SIGFUNC_RETURN
2943# endif
2944# ifndef SIGFUNC_DECL
2945#  define SIGFUNC_DECL	void
2946# endif
2947
2948/* size of syslog buffer */
2949# ifndef SYSLOG_BUFSIZE
2950#  define SYSLOG_BUFSIZE	1024
2951# endif
2952
2953/* for FD_SET() */
2954#ifndef FD_SETSIZE
2955# define FD_SETSIZE	256
2956#endif
2957
2958#ifndef SIGWAIT_TAKES_1_ARG
2959# define SIGWAIT_TAKES_1_ARG	0
2960#endif
2961
2962/*
2963**  Size of prescan buffer.
2964**	Despite comments in the _sendmail_ book, this probably should
2965**	not be changed; there are some hard-to-define dependencies.
2966*/
2967
2968# define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2969
2970/* fork routine -- set above using #ifdef _osname_ or in Makefile */
2971# ifndef FORK
2972#  define FORK		fork		/* function to call to fork mailer */
2973# endif
2974
2975/* setting h_errno */
2976# ifndef SM_SET_H_ERRNO
2977#  define SM_SET_H_ERRNO(err)	h_errno = (err)
2978# endif
2979
2980# ifndef SM_CONF_GETOPT
2981#  define SM_CONF_GETOPT	1
2982# endif
2983
2984/* random routine -- set above using #ifdef _osname_ or in Makefile */
2985# if HASRANDOM
2986#  define get_random()	random()
2987# else /* HASRANDOM */
2988#  define get_random()	((long) rand())
2989#  ifndef RANDOMSHIFT
2990#   define RANDOMSHIFT	8
2991#  endif
2992# endif /* HASRANDOM */
2993
2994/*
2995**  Default to using scanf in readcf.
2996*/
2997
2998# ifndef SCANF
2999#  define SCANF		1
3000# endif
3001
3002/* XXX  32 bit type */
3003# ifndef SM_INT32
3004#  define SM_INT32	int32_t
3005# endif
3006
3007/* XXX  16 bit type */
3008# ifndef SM_UINT16
3009#  define SM_UINT16	uint16_t
3010# endif
3011
3012/* additional valid chars in user/group names in passwd */
3013# ifndef SM_PWN_CHARS
3014#  define SM_PWN_CHARS "-_."
3015# endif
3016
3017
3018/*
3019**  SVr4 and similar systems use different routines for setjmp/longjmp
3020**  with signal support
3021*/
3022
3023# if USE_SIGLONGJMP
3024#  ifdef jmp_buf
3025#   undef jmp_buf
3026#  endif
3027#  define jmp_buf		sigjmp_buf
3028#  ifdef setjmp
3029#   undef setjmp
3030#  endif
3031#  define setjmp(env)		sigsetjmp(env, 1)
3032#  ifdef longjmp
3033#   undef longjmp
3034#  endif
3035#  define longjmp(env, val)	siglongjmp(env, val)
3036# endif /* USE_SIGLONGJMP */
3037
3038# if !defined(NGROUPS_MAX) && defined(NGROUPS)
3039#  define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
3040# endif
3041
3042/*
3043**  Some snprintf() implementations are rumored not to NUL terminate.
3044*/
3045# if SNPRINTF_IS_BROKEN
3046#  ifdef snprintf
3047#   undef snprintf
3048#  endif
3049#  define snprintf	sm_snprintf
3050#  ifdef vsnprintf
3051#   undef vsnprintf
3052#  endif
3053#  define vsnprintf	sm_vsnprintf
3054# endif /* SNPRINTF_IS_BROKEN */
3055
3056/*
3057**  If we don't have a system syslog, simulate it.
3058*/
3059
3060# if !LOG
3061#  define LOG_EMERG	0	/* system is unusable */
3062#  define LOG_ALERT	1	/* action must be taken immediately */
3063#  define LOG_CRIT	2	/* critical conditions */
3064#  define LOG_ERR	3	/* error conditions */
3065#  define LOG_WARNING	4	/* warning conditions */
3066#  define LOG_NOTICE	5	/* normal but significant condition */
3067#  define LOG_INFO	6	/* informational */
3068#  define LOG_DEBUG	7	/* debug-level messages */
3069# endif /* !LOG */
3070
3071# ifndef SM_CONF_SYSLOG
3072#  define SM_CONF_SYSLOG 1	/* syslog.h has prototype for syslog() */
3073# endif
3074
3075# if !SM_CONF_SYSLOG
3076#   ifdef __STDC__
3077extern void	syslog(int, const char *, ...);
3078#   else
3079extern void	syslog();
3080#   endif
3081# endif /* !SM_CONF_SYSLOG */
3082
3083/* portable(?) definition for alignment */
3084# ifndef SM_ALIGN_SIZE
3085struct sm_align
3086{
3087	char al_c;
3088	union
3089	{
3090		long	al_l;
3091		void	*al_p;
3092		double	al_d;
3093		void	(*al_f) __P((void));
3094	} al_u;
3095};
3096#  define SM_ALIGN_SIZE offsetof(struct sm_align, al_u)
3097# endif /* ! SM_ALIGN_SIZE */
3098# define SM_ALIGN_BITS (SM_ALIGN_SIZE - 1)
3099
3100char *sm_inet6_ntop __P((const void *, char *, size_t));
3101
3102#endif /* ! SM_CONF_H */
3103