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__ 28 struct 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), checked in macro.c */ 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