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 8.570 2005/12/09 18:37:27 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 #if _FFR_MAXKEY 77 # define MAXKEY 1024 /* max size of a database key */ 78 #else /* _FFR_MAXKEY */ 79 # define MAXKEY (MAXNAME + 1) /* max size of a database key */ 80 #endif /* _FFR_MAXKEY */ 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 /* MILTER */ 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 /* ! MAXNOOPCOMMANDS */ 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 /* ! MAXHDRSLEN */ 116 #define MAXDAEMONS 10 /* max number of ports to listen to */ 117 #ifndef MAXINTERFACES 118 # define MAXINTERFACES 512 /* number of interfaces to probe */ 119 #endif /* MAXINTERFACES */ 120 #ifndef MAXSYMLINKS 121 # define MAXSYMLINKS 32 /* max number of symlinks in a path */ 122 #endif /* ! MAXSYMLINKS */ 123 #define MAXLINKPATHLEN (MAXPATHLEN * MAXSYMLINKS) /* max link-expanded file */ 124 #define DATA_PROGRESS_TIMEOUT 300 /* how often to check DATA progress */ 125 #define ENHSCLEN 10 /* max len of enhanced status code */ 126 #define DEFAULT_MAX_RCPT 100 /* max number of RCPTs per envelope */ 127 #define MAXQUEUEGROUPS 50 /* max # of queue groups */ 128 /* must be less than BITMAPBITS for DoQueueRun */ 129 #define MAXWORKGROUPS 50 /* max # of work groups */ 130 #define MAXFILESYS BITMAPBITS /* max # of queue file systems 131 * must be <= BITMAPBITS */ 132 #ifndef FILESYS_UPDATE_INTERVAL 133 # define FILESYS_UPDATE_INTERVAL 300 /* how often to update FileSys table */ 134 #endif /* FILESYS_UPDATE_INTERVAL */ 135 136 #ifndef SM_DEFAULT_TTL 137 # define SM_DEFAULT_TTL 3600 /* default TTL for services that don't have one */ 138 #endif /* SM_DEFAULT_TTL */ 139 140 #if SASL 141 # ifndef AUTH_MECHANISMS 142 # if STARTTLS 143 # define AUTH_MECHANISMS "EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5" 144 # else /* STARTTLS */ 145 # define AUTH_MECHANISMS "GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5" 146 # endif /* STARTTLS */ 147 # endif /* ! AUTH_MECHANISMS */ 148 #endif /* SASL */ 149 150 /* 151 ** Default database permissions (alias, maps, etc.) 152 ** Used by sendmail and libsmdb 153 */ 154 155 #ifndef DBMMODE 156 # define DBMMODE 0640 157 #endif /* ! DBMMODE */ 158 159 /* 160 ** Value which means a uid or gid value should not change 161 */ 162 163 #ifndef NO_UID 164 # define NO_UID -1 165 #endif /* ! NO_UID */ 166 #ifndef NO_GID 167 # define NO_GID -1 168 #endif /* ! NO_GID */ 169 170 /********************************************************************** 171 ** Compilation options. 172 ** #define these to 1 if they are available; 173 ** #define them to 0 otherwise. 174 ** All can be overridden from Makefile. 175 **********************************************************************/ 176 177 #ifndef NETINET 178 # define NETINET 1 /* include internet support */ 179 #endif /* ! NETINET */ 180 181 #ifndef NETINET6 182 # define NETINET6 0 /* do not include IPv6 support */ 183 #endif /* ! NETINET6 */ 184 185 #ifndef NETISO 186 # define NETISO 0 /* do not include ISO socket support */ 187 #endif /* ! NETISO */ 188 189 #ifndef NAMED_BIND 190 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 191 #endif /* ! NAMED_BIND */ 192 193 #ifndef XDEBUG 194 # define XDEBUG 1 /* enable extended debugging */ 195 #endif /* ! XDEBUG */ 196 197 #ifndef MATCHGECOS 198 # define MATCHGECOS 1 /* match user names from gecos field */ 199 #endif /* ! MATCHGECOS */ 200 201 #ifndef DSN 202 # define DSN 1 /* include delivery status notification code */ 203 #endif /* ! DSN */ 204 205 #if !defined(USERDB) && (defined(NEWDB) || defined(HESIOD)) 206 # define USERDB 1 /* look in user database */ 207 #endif /* !defined(USERDB) && (defined(NEWDB) || defined(HESIOD)) */ 208 209 #ifndef MIME8TO7 210 # define MIME8TO7 1 /* 8->7 bit MIME conversions */ 211 #endif /* ! MIME8TO7 */ 212 213 #ifndef MIME7TO8 214 # define MIME7TO8 1 /* 7->8 bit MIME conversions */ 215 #endif /* ! MIME7TO8 */ 216 217 #if NAMED_BIND 218 # ifndef DNSMAP 219 # define DNSMAP 1 /* DNS map type */ 220 # endif /* ! DNSMAP */ 221 #endif /* NAMED_BIND */ 222 223 #ifndef PIPELINING 224 # define PIPELINING 1 /* SMTP PIPELINING */ 225 #endif /* PIPELINING */ 226 227 /********************************************************************** 228 ** End of site-specific configuration. 229 **********************************************************************/ 230 231 #include <sm/conf.h> 232 233 #endif /* ! CONF_H */ 234