conf.h revision 261363
1/*
2 * Copyright (c) 1998-2002 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 8.577 2013/11/22 20:51:55 ca Exp $
14 */
15
16/*
17**  CONF.H -- All user-configurable parameters for sendmail
18**
19**	Send updates to sendmail@Sendmail.ORG so they will be
20**	included in the next release.
21*/
22
23#ifndef CONF_H
24#define CONF_H 1
25
26#ifdef __GNUC__
27struct rusage;	/* forward declaration to get gcc to shut up in wait.h */
28#endif /* __GNUC__ */
29
30# include <sys/param.h>
31# include <sys/types.h>
32# include <sys/stat.h>
33# ifndef __QNX__
34/* in QNX this grabs bogus LOCK_* manifests */
35#  include <sys/file.h>
36# endif /* ! __QNX__ */
37# include <sys/wait.h>
38# include <limits.h>
39# include <fcntl.h>
40# include <signal.h>
41# include <netdb.h>
42# include <pwd.h>
43# include <grp.h>
44
45/* make sure TOBUFSIZ isn't larger than system limit for size of exec() args */
46#ifdef ARG_MAX
47# if ARG_MAX > 4096
48#  define SM_ARG_MAX	4096
49# else /* ARG_MAX > 4096 */
50#  define SM_ARG_MAX	ARG_MAX
51# endif /* ARG_MAX > 4096 */
52#else /* ARG_MAX */
53# define SM_ARG_MAX	4096
54#endif /* ARG_MAX */
55
56/**********************************************************************
57**  Table sizes, etc....
58**	There shouldn't be much need to change these....
59**	If you do, be careful, none should be set anywhere near INT_MAX
60**********************************************************************/
61
62#define MAXLINE		2048	/* max line length */
63#if SASL
64# define MAXINPLINE	12288	/* max input line length (for AUTH) */
65#else /* SASL */
66# define MAXINPLINE	MAXLINE	/* max input line length */
67#endif /* SASL */
68#define MAXNAME		256	/* max length of a name */
69#ifndef MAXAUTHINFO
70# define MAXAUTHINFO	100	/* max length of authinfo token */
71#endif /* ! MAXAUTHINFO */
72#define MAXPV		256	/* max # of parms to mailers */
73#define MAXATOM		1000	/* max atoms per address */
74#define MAXRWSETS	200	/* max # of sets of rewriting rules */
75#define MAXPRIORITIES	25	/* max values for Precedence: field */
76#define MAXMXHOSTS	100	/* max # of MX records for one host */
77#define SMTPLINELIM	990	/* max SMTP line length */
78#define MAXUDBKEY	128	/* max size of a database key (udb only) */
79#define MAXKEY		1024	/* max size of a database key */
80#define MEMCHUNKSIZE	1024	/* chunk size for memory allocation */
81#define MAXUSERENVIRON	100	/* max envars saved, must be >= 3 */
82#define MAXMAPSTACK	12	/* max # of stacked or sequenced maps */
83#if MILTER
84# define MAXFILTERS	25	/* max # of milter filters */
85# define MAXFILTERMACROS 50	/* max # of macros per milter cmd */
86#endif /* MILTER */
87#define MAXSMTPARGS	20	/* max # of ESMTP args for MAIL/RCPT */
88#define MAXTOCLASS	8	/* max # of message timeout classes */
89#define MAXRESTOTYPES	3	/* max # of resolver timeout types */
90#define MAXMIMEARGS	20	/* max args in Content-Type: */
91#define MAXMIMENESTING	20	/* max MIME multipart nesting */
92#define QUEUESEGSIZE	1000	/* increment for queue size */
93
94#ifndef MAXNOOPCOMMANDS
95# define MAXNOOPCOMMANDS 20	/* max "noise" commands before slowdown */
96#endif /* ! MAXNOOPCOMMANDS */
97
98/*
99**  MAXQFNAME == 2 (size of "qf", "df" prefix)
100**	+ 8 (base 60 encoded date, time & sequence number)
101**	+ 10 (base 10 encoded 32 bit process id)
102**	+ 1 (terminating NUL character).
103*/
104
105#define MAXQFNAME	21		/* max qf file name length + 1 */
106#define MACBUFSIZE	4096		/* max expanded macro buffer size */
107#define TOBUFSIZE	SM_ARG_MAX	/* max buffer to hold address list */
108#define MAXSHORTSTR	203		/* max short string length */
109#define MAXMACNAMELEN	25		/* max macro name length */
110#define MAXMACROID	0377		/* max macro id number */
111					/* Must match (BITMAPBITS - 1) */
112#ifndef MAXHDRSLEN
113# define MAXHDRSLEN	(32 * 1024)	/* max size of message headers */
114#endif /* ! MAXHDRSLEN */
115#ifndef MAXDAEMONS
116# define MAXDAEMONS	10		/* max number of ports to listen to */
117#endif /* MAXDAEMONS */
118#ifndef MAXINTERFACES
119# define MAXINTERFACES	512		/* number of interfaces to probe */
120#endif /* MAXINTERFACES */
121#ifndef MAXSYMLINKS
122# define MAXSYMLINKS	32		/* max number of symlinks in a path */
123#endif /* ! MAXSYMLINKS */
124#define MAXLINKPATHLEN	(MAXPATHLEN * MAXSYMLINKS) /* max link-expanded file */
125#define DATA_PROGRESS_TIMEOUT	300	/* how often to check DATA progress */
126#define ENHSCLEN	10		/* max len of enhanced status code */
127#define DEFAULT_MAX_RCPT	100	/* max number of RCPTs per envelope */
128#ifndef MAXQUEUEGROUPS
129# define MAXQUEUEGROUPS	50		/* max # of queue groups */
130	/* must be less than BITMAPBITS for DoQueueRun */
131#endif /* MAXQUEUEGROUPS */
132#if MAXQUEUEGROUPS >= BITMAPBITS
133  ERROR _MAXQUEUEGROUPS must be less than _BITMAPBITS
134#endif /* MAXQUEUEGROUPS >= BITMAPBITS */
135
136#ifndef MAXWORKGROUPS
137# define MAXWORKGROUPS	50		/* max # of work groups */
138#endif /* MAXWORKGROUPS */
139
140#define MAXFILESYS	BITMAPBITS	/* max # of queue file systems
141					 * must be <= BITMAPBITS */
142#ifndef FILESYS_UPDATE_INTERVAL
143# define FILESYS_UPDATE_INTERVAL 300	/* how often to update FileSys table */
144#endif /* FILESYS_UPDATE_INTERVAL */
145
146#ifndef SM_DEFAULT_TTL
147# define SM_DEFAULT_TTL 3600 /* default TTL for services that don't have one */
148#endif /* SM_DEFAULT_TTL */
149
150#if SASL
151# ifndef AUTH_MECHANISMS
152#  if STARTTLS
153#   define AUTH_MECHANISMS	"EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5"
154#  else /* STARTTLS */
155#   define AUTH_MECHANISMS	"GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5"
156#  endif /* STARTTLS */
157# endif /* ! AUTH_MECHANISMS */
158#endif /* SASL */
159
160/*
161**  Default database permissions (alias, maps, etc.)
162**	Used by sendmail and libsmdb
163*/
164
165#ifndef DBMMODE
166# define DBMMODE	0640
167#endif /* ! DBMMODE */
168
169/*
170**  Value which means a uid or gid value should not change
171*/
172
173#ifndef NO_UID
174# define NO_UID		-1
175#endif /* ! NO_UID */
176#ifndef NO_GID
177# define NO_GID		-1
178#endif /* ! NO_GID */
179
180/**********************************************************************
181**  Compilation options.
182**	#define these to 1 if they are available;
183**	#define them to 0 otherwise.
184**  All can be overridden from Makefile.
185**********************************************************************/
186
187#ifndef NETINET
188# define NETINET	1	/* include internet support */
189#endif /* ! NETINET */
190
191#ifndef NETINET6
192# define NETINET6	0	/* do not include IPv6 support */
193#endif /* ! NETINET6 */
194
195#ifndef NETISO
196# define NETISO	0		/* do not include ISO socket support */
197#endif /* ! NETISO */
198
199#ifndef NAMED_BIND
200# define NAMED_BIND	1	/* use Berkeley Internet Domain Server */
201#endif /* ! NAMED_BIND */
202
203#ifndef XDEBUG
204# define XDEBUG		1	/* enable extended debugging */
205#endif /* ! XDEBUG */
206
207#ifndef MATCHGECOS
208# define MATCHGECOS	1	/* match user names from gecos field */
209#endif /* ! MATCHGECOS */
210
211#ifndef DSN
212# define DSN		1	/* include delivery status notification code */
213#endif /* ! DSN */
214
215#if !defined(USERDB) && (defined(NEWDB) || defined(HESIOD))
216# define USERDB		1	/* look in user database */
217#endif /* !defined(USERDB) && (defined(NEWDB) || defined(HESIOD)) */
218
219#ifndef MIME8TO7
220# define MIME8TO7	1	/* 8->7 bit MIME conversions */
221#endif /* ! MIME8TO7 */
222
223#ifndef MIME7TO8
224# define MIME7TO8	1	/* 7->8 bit MIME conversions */
225#endif /* ! MIME7TO8 */
226
227#if NAMED_BIND
228# ifndef DNSMAP
229#  define DNSMAP	1	/* DNS map type */
230# endif /* ! DNSMAP */
231#endif /* NAMED_BIND */
232
233#ifndef PIPELINING
234# define PIPELINING	1	/* SMTP PIPELINING */
235#endif /* PIPELINING */
236
237/**********************************************************************
238**  End of site-specific configuration.
239**********************************************************************/
240
241#include <sm/conf.h>
242
243#endif /* ! CONF_H */
244