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 8.568 2005/08/31 21:34:20 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@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 #define MAXNAME 256 /* max length of a name */ 66 #ifndef MAXAUTHINFO 67 # define MAXAUTHINFO 100 /* max length of authinfo token */ 68 #endif /* ! MAXAUTHINFO */ 69 #define MAXPV 256 /* max # of parms to mailers */ 70 #define MAXATOM 1000 /* max atoms per address */ 71 #define MAXRWSETS 200 /* max # of sets of rewriting rules */ 72 #define MAXPRIORITIES 25 /* max values for Precedence: field */ 73 #define MAXMXHOSTS 100 /* max # of MX records for one host */ 74 #define SMTPLINELIM 990 /* max SMTP line length */ 75 #define MAXUDBKEY 128 /* max size of a database key (udb only) */ 76 #define MEMCHUNKSIZE 1024 /* chunk size for memory allocation */ 77 #define MAXUSERENVIRON 100 /* max envars saved, must be >= 3 */ 78 #define MAXMAPSTACK 12 /* max # of stacked or sequenced maps */ 79 #if MILTER 80 # define MAXFILTERS 25 /* max # of milter filters */ 81 # define MAXFILTERMACROS 50 /* max # of macros per milter cmd */ 82 #endif /* MILTER */ 83 #define MAXSMTPARGS 20 /* max # of ESMTP args for MAIL/RCPT */ 84 #define MAXTOCLASS 8 /* max # of message timeout classes */ 85 #define MAXRESTOTYPES 3 /* max # of resolver timeout types */ 86 #define MAXMIMEARGS 20 /* max args in Content-Type: */ 87 #define MAXMIMENESTING 20 /* max MIME multipart nesting */ 88 #define QUEUESEGSIZE 1000 /* increment for queue size */ 89 90 /* 91 ** MAXQFNAME == 2 (size of "qf", "df" prefix) 92 ** + 8 (base 60 encoded date, time & sequence number) 93 ** + 10 (base 10 encoded 32 bit process id) 94 ** + 1 (terminating NUL character). 95 */ 96 97 #define MAXQFNAME 21 /* max qf file name length + 1 */ 98 #define MACBUFSIZE 4096 /* max expanded macro buffer size */ 99 #define TOBUFSIZE SM_ARG_MAX /* max buffer to hold address list */ 100 #define MAXSHORTSTR 203 /* max short string length */ 101 #define MAXMACNAMELEN 25 /* max macro name length */ 102 #define MAXMACROID 0377 /* max macro id number */ 103 /* Must match (BITMAPBITS - 1) */ 104 #ifndef MAXHDRSLEN 105 # define MAXHDRSLEN (32 * 1024) /* max size of message headers */ 106 #endif /* ! MAXHDRSLEN */ 107 #define MAXDAEMONS 10 /* max number of ports to listen to */ 108 #ifndef MAXINTERFACES 109 # define MAXINTERFACES 512 /* number of interfaces to probe */ 110 #endif /* MAXINTERFACES */ 111 #ifndef MAXSYMLINKS 112 # define MAXSYMLINKS 32 /* max number of symlinks in a path */ 113 #endif /* ! MAXSYMLINKS */ 114 #define MAXLINKPATHLEN (MAXPATHLEN * MAXSYMLINKS) /* max link-expanded file */ 115 #define DATA_PROGRESS_TIMEOUT 300 /* how often to check DATA progress */ 116 #define ENHSCLEN 10 /* max len of enhanced status code */ 117 #define DEFAULT_MAX_RCPT 100 /* max number of RCPTs per envelope */ 118 #define MAXQUEUEGROUPS 50 /* max # of queue groups */ 119 /* must be less than BITMAPBITS for DoQueueRun */ 120 #define MAXWORKGROUPS 50 /* max # of work groups */ 121 #define MAXFILESYS BITMAPBITS /* max # of queue file systems 122 * must be <= BITMAPBITS */ 123 #ifndef FILESYS_UPDATE_INTERVAL 124 # define FILESYS_UPDATE_INTERVAL 300 /* how often to update FileSys table */ 125 #endif /* FILESYS_UPDATE_INTERVAL */ 126 127 #ifndef SM_DEFAULT_TTL 128 # define SM_DEFAULT_TTL 3600 /* default TTL for services that don't have one */ 129 #endif /* SM_DEFAULT_TTL */ 130 131 #if SASL 132 # ifndef AUTH_MECHANISMS 133 # if STARTTLS 134 # define AUTH_MECHANISMS "EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5" 135 # else /* STARTTLS */ 136 # define AUTH_MECHANISMS "GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5" 137 # endif /* STARTTLS */ 138 # endif /* ! AUTH_MECHANISMS */ 139 #endif /* SASL */ 140 141 /* 142 ** Default database permissions (alias, maps, etc.) 143 ** Used by sendmail and libsmdb 144 */ 145 146 #ifndef DBMMODE 147 # define DBMMODE 0640 148 #endif /* ! DBMMODE */ 149 150 /* 151 ** Value which means a uid or gid value should not change 152 */ 153 154 #ifndef NO_UID 155 # define NO_UID -1 156 #endif /* ! NO_UID */ 157 #ifndef NO_GID 158 # define NO_GID -1 159 #endif /* ! NO_GID */ 160 161 /********************************************************************** 162 ** Compilation options. 163 ** #define these to 1 if they are available; 164 ** #define them to 0 otherwise. 165 ** All can be overridden from Makefile. 166 **********************************************************************/ 167 168 #ifndef NETINET 169 # define NETINET 1 /* include internet support */ 170 #endif /* ! NETINET */ 171 172 #ifndef NETINET6 173 # define NETINET6 0 /* do not include IPv6 support */ 174 #endif /* ! NETINET6 */ 175 176 #ifndef NETISO 177 # define NETISO 0 /* do not include ISO socket support */ 178 #endif /* ! NETISO */ 179 180 #ifndef NAMED_BIND 181 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 182 #endif /* ! NAMED_BIND */ 183 184 #ifndef XDEBUG 185 # define XDEBUG 1 /* enable extended debugging */ 186 #endif /* ! XDEBUG */ 187 188 #ifndef MATCHGECOS 189 # define MATCHGECOS 1 /* match user names from gecos field */ 190 #endif /* ! MATCHGECOS */ 191 192 #ifndef DSN 193 # define DSN 1 /* include delivery status notification code */ 194 #endif /* ! DSN */ 195 196 #if !defined(USERDB) && (defined(NEWDB) || defined(HESIOD)) 197 # define USERDB 1 /* look in user database */ 198 #endif /* !defined(USERDB) && (defined(NEWDB) || defined(HESIOD)) */ 199 200 #ifndef MIME8TO7 201 # define MIME8TO7 1 /* 8->7 bit MIME conversions */ 202 #endif /* ! MIME8TO7 */ 203 204 #ifndef MIME7TO8 205 # define MIME7TO8 1 /* 7->8 bit MIME conversions */ 206 #endif /* ! MIME7TO8 */ 207 208 #if NAMED_BIND 209 # ifndef DNSMAP 210 # define DNSMAP 1 /* DNS map type */ 211 # endif /* ! DNSMAP */ 212 #endif /* NAMED_BIND */ 213 214 #ifndef PIPELINING 215 # define PIPELINING 1 /* SMTP PIPELINING */ 216 #endif /* PIPELINING */ 217 218 /********************************************************************** 219 ** End of site-specific configuration. 220 **********************************************************************/ 221 222 #include <sm/conf.h> 223 224 #endif /* ! CONF_H */ 225