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@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