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      1 /*
      2  * Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers.
      3  *	All rights reserved.
      4  * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
      5  * Copyright (c) 1988, 1993
      6  *	The Regents of the University of California.  All rights reserved.
      7  *
      8  * By using this file, you agree to the terms and conditions set
      9  * forth in the LICENSE file which can be found at the top level of
     10  * the sendmail distribution.
     11  *
     12  *
     13  *	$Id: conf.h,v 8.574 2006/11/29 00:36:06 ca Exp $
     14  */
     15 
     16 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     17 
     18 /*
     19 **  CONF.H -- All user-configurable parameters for sendmail
     20 **
     21 **	Send updates to sendmail (at) Sendmail.ORG so they will be
     22 **	included in the next release.
     23 */
     24 
     25 #ifndef CONF_H
     26 #define CONF_H 1
     27 
     28 #ifdef __GNUC__
     29 struct rusage;	/* forward declaration to get gcc to shut up in wait.h */
     30 #endif /* __GNUC__ */
     31 
     32 # include <sys/param.h>
     33 # include <sys/types.h>
     34 # include <sys/stat.h>
     35 # ifndef __QNX__
     36 /* in QNX this grabs bogus LOCK_* manifests */
     37 #  include <sys/file.h>
     38 # endif /* ! __QNX__ */
     39 # include <sys/wait.h>
     40 # include <limits.h>
     41 # include <fcntl.h>
     42 # include <signal.h>
     43 # include <netdb.h>
     44 # include <pwd.h>
     45 # include <grp.h>
     46 
     47 /* make sure TOBUFSIZ isn't larger than system limit for size of exec() args */
     48 #ifdef ARG_MAX
     49 # if ARG_MAX > 4096
     50 #  define SM_ARG_MAX	4096
     51 # else /* ARG_MAX > 4096 */
     52 #  define SM_ARG_MAX	ARG_MAX
     53 # endif /* ARG_MAX > 4096 */
     54 #else /* ARG_MAX */
     55 # define SM_ARG_MAX	4096
     56 #endif /* ARG_MAX */
     57 
     58 /**********************************************************************
     59 **  Table sizes, etc....
     60 **	There shouldn't be much need to change these....
     61 **	If you do, be careful, none should be set anywhere near INT_MAX
     62 **********************************************************************/
     63 
     64 #define MAXLINE		2048	/* max line length */
     65 #if SASL
     66 # define MAXINPLINE	12288	/* max input line length (for AUTH) */
     67 #else /* SASL */
     68 # define MAXINPLINE	MAXLINE	/* max input line length */
     69 #endif /* SASL */
     70 #define MAXNAME		256	/* max length of a name */
     71 #ifndef MAXAUTHINFO
     72 # define MAXAUTHINFO	100	/* max length of authinfo token */
     73 #endif /* ! MAXAUTHINFO */
     74 #define MAXPV		256	/* max # of parms to mailers */
     75 #define MAXATOM		1000	/* max atoms per address */
     76 #define MAXRWSETS	200	/* max # of sets of rewriting rules */
     77 #define MAXPRIORITIES	25	/* max values for Precedence: field */
     78 #define MAXMXHOSTS	100	/* max # of MX records for one host */
     79 #define SMTPLINELIM	990	/* max SMTP line length */
     80 #define MAXUDBKEY	128	/* max size of a database key (udb only) */
     81 #define MAXKEY		1024	/* max size of a database key */
     82 #define MEMCHUNKSIZE	1024	/* chunk size for memory allocation */
     83 #define MAXUSERENVIRON	100	/* max envars saved, must be >= 3 */
     84 #define MAXMAPSTACK	12	/* max # of stacked or sequenced maps */
     85 #if MILTER
     86 # define MAXFILTERS	25	/* max # of milter filters */
     87 # define MAXFILTERMACROS 50	/* max # of macros per milter cmd */
     88 #endif /* MILTER */
     89 #define MAXSMTPARGS	20	/* max # of ESMTP args for MAIL/RCPT */
     90 #define MAXTOCLASS	8	/* max # of message timeout classes */
     91 #define MAXRESTOTYPES	3	/* max # of resolver timeout types */
     92 #define MAXMIMEARGS	20	/* max args in Content-Type: */
     93 #define MAXMIMENESTING	20	/* max MIME multipart nesting */
     94 #define QUEUESEGSIZE	1000	/* increment for queue size */
     95 
     96 #ifndef MAXNOOPCOMMANDS
     97 # define MAXNOOPCOMMANDS 20	/* max "noise" commands before slowdown */
     98 #endif /* ! MAXNOOPCOMMANDS */
     99 
    100 /*
    101 **  MAXQFNAME == 2 (size of "qf", "df" prefix)
    102 **	+ 8 (base 60 encoded date, time & sequence number)
    103 **	+ 10 (base 10 encoded 32 bit process id)
    104 **	+ 1 (terminating NUL character).
    105 */
    106 
    107 #define MAXQFNAME	21		/* max qf file name length + 1 */
    108 #define MACBUFSIZE	4096		/* max expanded macro buffer size */
    109 #define TOBUFSIZE	SM_ARG_MAX	/* max buffer to hold address list */
    110 #define MAXSHORTSTR	203		/* max short string length */
    111 #define MAXMACNAMELEN	25		/* max macro name length */
    112 #define MAXMACROID	0377		/* max macro id number */
    113 					/* Must match (BITMAPBITS - 1) */
    114 #ifndef MAXHDRSLEN
    115 # define MAXHDRSLEN	(32 * 1024)	/* max size of message headers */
    116 #endif /* ! MAXHDRSLEN */
    117 #define MAXDAEMONS	10		/* max number of ports to listen to */
    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 #define MAXQUEUEGROUPS	50		/* max # of queue groups */
    129 	/* must be less than BITMAPBITS for DoQueueRun */
    130 #define MAXWORKGROUPS	50		/* max # of work groups */
    131 #define MAXFILESYS	BITMAPBITS	/* max # of queue file systems
    132 					 * must be <= BITMAPBITS */
    133 #ifndef FILESYS_UPDATE_INTERVAL
    134 # define FILESYS_UPDATE_INTERVAL 300	/* how often to update FileSys table */
    135 #endif /* FILESYS_UPDATE_INTERVAL */
    136 
    137 #ifndef SM_DEFAULT_TTL
    138 # define SM_DEFAULT_TTL 3600 /* default TTL for services that don't have one */
    139 #endif /* SM_DEFAULT_TTL */
    140 
    141 #if SASL
    142 # ifndef AUTH_MECHANISMS
    143 #  if STARTTLS
    144 #   define AUTH_MECHANISMS	"EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5"
    145 #  else /* STARTTLS */
    146 #   define AUTH_MECHANISMS	"GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5"
    147 #  endif /* STARTTLS */
    148 # endif /* ! AUTH_MECHANISMS */
    149 #endif /* SASL */
    150 
    151 /*
    152 **  Default database permissions (alias, maps, etc.)
    153 **	Used by sendmail and libsmdb
    154 */
    155 
    156 #ifndef DBMMODE
    157 # define DBMMODE	0640
    158 #endif /* ! DBMMODE */
    159 
    160 /*
    161 **  Value which means a uid or gid value should not change
    162 */
    163 
    164 #ifndef NO_UID
    165 # define NO_UID		-1
    166 #endif /* ! NO_UID */
    167 #ifndef NO_GID
    168 # define NO_GID		-1
    169 #endif /* ! NO_GID */
    170 
    171 /**********************************************************************
    172 **  Compilation options.
    173 **	#define these to 1 if they are available;
    174 **	#define them to 0 otherwise.
    175 **  All can be overridden from Makefile.
    176 **********************************************************************/
    177 
    178 #ifndef NETINET
    179 # define NETINET	1	/* include internet support */
    180 #endif /* ! NETINET */
    181 
    182 #ifndef NETINET6
    183 # define NETINET6	0	/* do not include IPv6 support */
    184 #endif /* ! NETINET6 */
    185 
    186 #ifndef NETISO
    187 # define NETISO	0		/* do not include ISO socket support */
    188 #endif /* ! NETISO */
    189 
    190 #ifndef NAMED_BIND
    191 # define NAMED_BIND	1	/* use Berkeley Internet Domain Server */
    192 #endif /* ! NAMED_BIND */
    193 
    194 #ifndef XDEBUG
    195 # define XDEBUG		1	/* enable extended debugging */
    196 #endif /* ! XDEBUG */
    197 
    198 #ifndef MATCHGECOS
    199 # define MATCHGECOS	1	/* match user names from gecos field */
    200 #endif /* ! MATCHGECOS */
    201 
    202 #ifndef DSN
    203 # define DSN		1	/* include delivery status notification code */
    204 #endif /* ! DSN */
    205 
    206 #if !defined(USERDB) && (defined(NEWDB) || defined(HESIOD))
    207 # define USERDB		1	/* look in user database */
    208 #endif /* !defined(USERDB) && (defined(NEWDB) || defined(HESIOD)) */
    209 
    210 #ifndef MIME8TO7
    211 # define MIME8TO7	1	/* 8->7 bit MIME conversions */
    212 #endif /* ! MIME8TO7 */
    213 
    214 #ifndef MIME7TO8
    215 # define MIME7TO8	1	/* 7->8 bit MIME conversions */
    216 #endif /* ! MIME7TO8 */
    217 
    218 #if NAMED_BIND
    219 # ifndef DNSMAP
    220 #  define DNSMAP	1	/* DNS map type */
    221 # endif /* ! DNSMAP */
    222 #endif /* NAMED_BIND */
    223 
    224 #ifndef PIPELINING
    225 # define PIPELINING	1	/* SMTP PIPELINING */
    226 #endif /* PIPELINING */
    227 
    228 /**********************************************************************
    229 **  End of site-specific configuration.
    230 **********************************************************************/
    231 
    232 #include <sm/conf.h>
    233 
    234 #endif /* ! CONF_H */
    235