1 /* 2 * Copyright (c) 1983 Eric P. Allman 3 * Copyright (c) 1988 Regents of the University of California. 4 * All rights reserved. 5 * 6 * %sccs.include.redist.c% 7 * 8 * @(#)conf.h 6.27 (Berkeley) 05/03/93 9 */ 10 11 /* 12 ** CONF.H -- All user-configurable parameters for sendmail 13 */ 14 15 # include <sys/param.h> 16 # include <sys/stat.h> 17 # include <fcntl.h> 18 19 /* 20 ** Table sizes, etc.... 21 ** There shouldn't be much need to change these.... 22 */ 23 24 # define MAXLINE 2048 /* max line length */ 25 # define MAXNAME 256 /* max length of a name */ 26 # define MAXPV 40 /* max # of parms to mailers */ 27 # define MAXATOM 200 /* max atoms per address */ 28 # define MAXMAILERS 25 /* maximum mailers known to system */ 29 # define MAXRWSETS 100 /* max # of sets of rewriting rules */ 30 # define MAXPRIORITIES 25 /* max values for Precedence: field */ 31 # define MAXMXHOSTS 20 /* max # of MX records */ 32 # define SMTPLINELIM 990 /* maximum SMTP line length */ 33 # define MAXKEY 128 /* maximum size of a database key */ 34 # define MEMCHUNKSIZE 1024 /* chunk size for memory allocation */ 35 # define MAXUSERENVIRON 100 /* max envars saved, must be >= 3 */ 36 # define MAXIPADDR 16 /* max # of IP addrs for this host */ 37 # define MAXALIASDB 12 /* max # of alias databases */ 38 # define PSBUFSIZE (MAXLINE + MAXATOM) /* size of prescan buffer */ 39 40 # ifndef QUEUESIZE 41 # define QUEUESIZE 1000 /* max # of jobs per queue run */ 42 # endif 43 44 # ifndef FORK 45 # define FORK vfork /* function to call to fork mailer */ 46 # endif 47 48 /* 49 ** Compilation options. 50 ** 51 ** #define these if they are available; comment them out otherwise. 52 */ 53 54 # define LOG 1 /* enable logging */ 55 # define UGLYUUCP 1 /* output ugly UUCP From lines */ 56 # define NETINET 1 /* include internet support */ 57 # define SETPROCTITLE 1 /* munge argv to display current status */ 58 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 59 # define MATCHGECOS 1 /* match user names from gecos field */ 60 61 # ifdef NEWDB 62 # define USERDB 1 /* look in user database (requires NEWDB) */ 63 # define BTREE_MAP 1 /* enable BTREE mapping type (requires NEWDB) */ 64 # define HASH_MAP 1 /* enable HASH mapping type (requires NEWDB) */ 65 # endif 66 67 # ifdef NDBM 68 # define DBM_MAP 1 /* enable DBM mapping type (requires NDBM) */ 69 # endif 70 71 /* 72 ** Operating system configuration. 73 ** 74 ** Unless you are porting to a new OS, you shouldn't have to 75 ** change these. 76 */ 77 78 # ifdef __hpux 79 # define SYSTEM5 1 80 # endif 81 82 # ifdef SYSTEM5 83 84 # define LOCKF 1 /* use System V lockf instead of flock */ 85 # define SYS5TZ 1 /* use System V style timezones */ 86 # define HASUNAME 1 /* use System V uname system call */ 87 88 # endif 89 90 #ifdef sun 91 # include <vfork.h> 92 #endif 93 94 #ifdef _POSIX_VERSION 95 # define HASSETSID 1 /* has setsid(2) call */ 96 #endif 97 98 #ifdef NeXT 99 # define sleep sleepX 100 #endif 101 102 /* 103 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 104 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 105 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 106 ** are closed. Some firewalls return this error if you try to connect 107 ** to the IDENT port (113), so you can't receive email from these hosts 108 ** on these systems. The firewall really should use a more specific 109 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. 110 */ 111 112 #if !defined(ultrix) && !defined(__hpux) 113 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 114 #endif 115 116 /* 117 ** Remaining definitions should never have to be changed. They are 118 ** primarily to provide back compatibility for older systems -- for 119 ** example, it includes some POSIX compatibility definitions 120 */ 121 122 /* System 5 compatibility */ 123 #ifndef S_ISREG 124 #define S_ISREG(foo) ((foo & S_IFREG) == S_IFREG) 125 #endif 126 #ifndef S_IWGRP 127 #define S_IWGRP 020 128 #endif 129 #ifndef S_IWOTH 130 #define S_IWOTH 002 131 #endif 132 133 /* 134 ** Older systems don't have this error code -- it should be in 135 ** /usr/include/sysexits.h. 136 */ 137 138 # ifndef EX_CONFIG 139 # define EX_CONFIG 78 /* configuration error */ 140 # endif 141 142 /* 143 ** Do some required dependencies 144 */ 145 146 #if defined(NETINET) || defined(NETISO) 147 # define SMTP 1 /* enable user and server SMTP */ 148 # define QUEUE 1 /* enable queueing */ 149 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 150 #endif 151 152 153 /* 154 ** Arrange to use either varargs or stdargs 155 */ 156 157 # ifdef __STDC__ 158 159 # include <stdarg.h> 160 161 # define VA_LOCAL_DECL va_list ap; 162 # define VA_START(f) va_start(ap, f) 163 # define VA_END va_end(ap) 164 165 # else 166 167 # include <varargs.h> 168 169 # define VA_LOCAL_DECL va_list ap; 170 # define VA_START(f) va_start(ap) 171 # define VA_END va_end(ap) 172 173 # endif 174 175 #ifdef HASUNAME 176 # include <sys/utsname.h> 177 # ifdef newstr 178 # undef newstr 179 # endif 180 #else /* ! HASUNAME */ 181 # define NODE_LENGTH 32 182 struct utsname 183 { 184 char nodename[NODE_LENGTH+1]; 185 }; 186 #endif /* HASUNAME */ 187 188 #ifndef MAXHOSTNAMELEN 189 #define MAXHOSTNAMELEN 256 190 #endif 191 192 #if !defined(SIGCHLD) && defined(SIGCLD) 193 # define SIGCHLD SIGCLD 194 #endif 195 196 #ifndef STDIN_FILENO 197 #define STDIN_FILENO 0 198 #endif 199 200 #ifndef STDOUT_FILENO 201 #define STDOUT_FILENO 1 202 #endif 203 204 #ifndef STDERR_FILENO 205 #define STDERR_FILENO 2 206 #endif 207 208 #ifdef LOCKF 209 #define LOCK_SH 0x01 /* shared lock */ 210 #define LOCK_EX 0x02 /* exclusive lock */ 211 #define LOCK_NB 0x04 /* non-blocking lock */ 212 #define LOCK_UN 0x08 /* unlock */ 213 214 #else 215 216 # include <sys/file.h> 217 218 #endif 219 220 /* 221 ** Size of tobuf (deliver.c) 222 ** Tweak this to match your syslog implementation. It will have to 223 ** allow for the extra information printed. 224 */ 225 226 #ifndef TOBUFSIZE 227 # define TOBUFSIZE (1024 - 256) 228 #endif 229