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-YYYY@support.sendmail.org
20**	(replace YYYY with the current year)
21**	so they will be included in the next release.
22*/
23
24#ifndef CONF_H
25#define CONF_H 1
26
27#ifdef __GNUC__
28struct rusage;	/* forward declaration to get gcc to shut up in wait.h */
29#endif
30
31# include <sys/param.h>
32# include <sys/types.h>
33# include <sys/stat.h>
34# ifndef __QNX__
35/* in QNX this grabs bogus LOCK_* manifests */
36#  include <sys/file.h>
37# endif
38# include <sys/wait.h>
39# include <limits.h>
40# include <fcntl.h>
41# include <signal.h>
42# include <netdb.h>
43# include <pwd.h>
44# include <grp.h>
45
46/* make sure TOBUFSIZ isn't larger than system limit for size of exec() args */
47#ifdef ARG_MAX
48# if ARG_MAX > 4096
49#  define SM_ARG_MAX	4096
50# else
51#  define SM_ARG_MAX	ARG_MAX
52# endif
53#else
54# define SM_ARG_MAX	4096
55#endif
56
57/**********************************************************************
58**  Table sizes, etc....
59**	There shouldn't be much need to change these....
60**	If you do, be careful, none should be set anywhere near INT_MAX
61**********************************************************************/
62
63#define MAXLINE		2048	/* max line length */
64#if SASL
65# define MAXINPLINE	12288	/* max input line length (for AUTH) */
66#else
67# define MAXINPLINE	MAXLINE	/* max input line length */
68#endif
69#define MAXNAME		256	/* max length of a name */
70#ifndef MAXAUTHINFO
71# define MAXAUTHINFO	100	/* max length of authinfo token */
72#endif
73#define MAXPV		256	/* max # of parms to mailers */
74#define MAXATOM		1000	/* max atoms per address */
75#define MAXRWSETS	200	/* max # of sets of rewriting rules */
76#define MAXPRIORITIES	25	/* max values for Precedence: field */
77#define MAXMXHOSTS	100	/* max # of MX records for one host */
78#define SMTPLINELIM	990	/* max SMTP line length */
79#define MAXUDBKEY	128	/* max size of a database key (udb only) */
80#define MAXKEY		1024	/* max size of a database key */
81#define MEMCHUNKSIZE	1024	/* chunk size for memory allocation */
82#define MAXUSERENVIRON	100	/* max envars saved, must be >= 3 */
83#define MAXMAPSTACK	12	/* max # of stacked or sequenced maps */
84#if MILTER
85# define MAXFILTERS	25	/* max # of milter filters */
86# define MAXFILTERMACROS 50	/* max # of macros per milter cmd */
87#endif
88#define MAXSMTPARGS	20	/* max # of ESMTP args for MAIL/RCPT */
89#define MAXTOCLASS	8	/* max # of message timeout classes */
90#define MAXRESTOTYPES	3	/* max # of resolver timeout types */
91#define MAXMIMEARGS	20	/* max args in Content-Type: */
92#define MAXMIMENESTING	20	/* max MIME multipart nesting */
93#define QUEUESEGSIZE	1000	/* increment for queue size */
94
95#ifndef MAXNOOPCOMMANDS
96# define MAXNOOPCOMMANDS 20	/* max "noise" commands before slowdown */
97#endif
98
99/*
100**  MAXQFNAME == 2 (size of "qf", "df" prefix)
101**	+ 8 (base 60 encoded date, time & sequence number)
102**	+ 10 (base 10 encoded 32 bit process id)
103**	+ 1 (terminating NUL character).
104*/
105
106#define MAXQFNAME	21		/* max qf file name length + 1 */
107#define MACBUFSIZE	4096		/* max expanded macro buffer size */
108#define TOBUFSIZE	SM_ARG_MAX	/* max buffer to hold address list */
109#define MAXSHORTSTR	203		/* max short string length */
110#define MAXMACNAMELEN	25		/* max macro name length */
111#define MAXMACROID	0377		/* max macro id number */
112					/* Must match (BITMAPBITS - 1) */
113#ifndef MAXHDRSLEN
114# define MAXHDRSLEN	(32 * 1024)	/* max size of message headers */
115#endif
116#ifndef MAXDAEMONS
117# define MAXDAEMONS	10		/* max number of ports to listen to */
118	/* XREF: conf.c: MAXDAEMONS != 10 */
119#endif
120#ifndef MAXINTERFACES
121# define MAXINTERFACES	512		/* number of interfaces to probe */
122#endif
123#ifndef MAXSYMLINKS
124# define MAXSYMLINKS	32		/* max number of symlinks in a path */
125#endif
126#define MAXLINKPATHLEN	(MAXPATHLEN * MAXSYMLINKS) /* max link-expanded file */
127#define DATA_PROGRESS_TIMEOUT	300	/* how often to check DATA progress */
128#define ENHSCLEN	10		/* max len of enhanced status code */
129#define DEFAULT_MAX_RCPT	100	/* max number of RCPTs per envelope */
130#ifndef MAXQUEUEGROUPS
131# define MAXQUEUEGROUPS	50		/* max # of queue groups */
132	/* must be less than BITMAPBITS for DoQueueRun */
133#endif
134#if MAXQUEUEGROUPS >= BITMAPBITS
135  ERROR _MAXQUEUEGROUPS must be less than _BITMAPBITS
136#endif
137
138#ifndef MAXWORKGROUPS
139# define MAXWORKGROUPS	50		/* max # of work groups */
140#endif
141
142#define MAXFILESYS	BITMAPBITS	/* max # of queue file systems
143					 * must be <= BITMAPBITS */
144#ifndef FILESYS_UPDATE_INTERVAL
145# define FILESYS_UPDATE_INTERVAL 300	/* how often to update FileSys table */
146#endif
147
148#ifndef SM_DEFAULT_TTL
149# define SM_DEFAULT_TTL 3600 /* default TTL for services that don't have one */
150#endif
151
152#if SASL
153# ifndef AUTH_MECHANISMS
154#  if STARTTLS
155#   define AUTH_MECHANISMS	"EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5"
156#  else
157#   define AUTH_MECHANISMS	"GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5"
158#  endif
159# endif /* ! AUTH_MECHANISMS */
160#endif /* SASL */
161
162/*
163**  Default database permissions (alias, maps, etc.)
164**	Used by sendmail and libsmdb
165*/
166
167#ifndef DBMMODE
168# define DBMMODE	0640
169#endif
170
171/*
172**  Value which means a uid or gid value should not change
173*/
174
175#ifndef NO_UID
176# define NO_UID		-1
177#endif
178#ifndef NO_GID
179# define NO_GID		-1
180#endif
181
182/**********************************************************************
183**  Compilation options.
184**	#define these to 1 if they are available;
185**	#define them to 0 otherwise.
186**  All can be overridden from Makefile.
187**********************************************************************/
188
189#ifndef NETINET
190# define NETINET	1	/* include internet support */
191#endif
192
193#ifndef NETINET6
194# define NETINET6	0	/* do not include IPv6 support */
195#endif
196
197#ifndef NETISO
198# define NETISO	0		/* do not include ISO socket support */
199#endif
200
201#ifndef NAMED_BIND
202# define NAMED_BIND	1	/* use Berkeley Internet Domain Server */
203#endif
204
205#ifndef XDEBUG
206# define XDEBUG		1	/* enable extended debugging */
207#endif
208
209#ifndef MATCHGECOS
210# define MATCHGECOS	1	/* match user names from gecos field */
211#endif
212
213#ifndef DSN
214# define DSN		1	/* include delivery status notification code */
215#endif
216
217#if !defined(USERDB) && (defined(NEWDB) || defined(HESIOD))
218# define USERDB		1	/* look in user database */
219#endif
220
221#ifndef MIME8TO7
222# define MIME8TO7	1	/* 8->7 bit MIME conversions */
223#endif
224
225#ifndef MIME7TO8
226# define MIME7TO8	1	/* 7->8 bit MIME conversions */
227#endif
228
229#if NAMED_BIND
230# ifndef DNSMAP
231#  define DNSMAP	1	/* DNS map type */
232# endif
233#endif
234
235#ifndef PIPELINING
236# define PIPELINING	1	/* SMTP PIPELINING */
237#endif
238
239/**********************************************************************
240**  End of site-specific configuration.
241**********************************************************************/
242
243#if CDB >= 2
244# define CDBEXT ".db"
245# define CDBext "db"
246#else
247# define CDBEXT ".cdb"
248# define CDBext "cdb"
249#endif
250
251#include <sm/conf.h>
252
253#endif /* ! CONF_H */
254