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 6.31 (Berkeley) 05/22/93 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 # include "cdefs.h" 19 20 /* 21 ** Table sizes, etc.... 22 ** There shouldn't be much need to change these.... 23 */ 24 25 # define MAXLINE 2048 /* max line length */ 26 # define MAXNAME 256 /* max length of a name */ 27 # define MAXPV 40 /* max # of parms to mailers */ 28 # define MAXATOM 200 /* max atoms per address */ 29 # define MAXMAILERS 25 /* maximum mailers known to system */ 30 # define MAXRWSETS 100 /* max # of sets of rewriting rules */ 31 # define MAXPRIORITIES 25 /* max values for Precedence: field */ 32 # define MAXMXHOSTS 20 /* max # of MX records */ 33 # define SMTPLINELIM 990 /* maximum SMTP line length */ 34 # define MAXKEY 128 /* maximum size of a database key */ 35 # define MEMCHUNKSIZE 1024 /* chunk size for memory allocation */ 36 # define MAXUSERENVIRON 100 /* max envars saved, must be >= 3 */ 37 # define MAXIPADDR 16 /* max # of IP addrs for this host */ 38 # define MAXALIASDB 12 /* max # of alias databases */ 39 # define PSBUFSIZE (MAXLINE + MAXATOM) /* size of prescan buffer */ 40 41 # ifndef QUEUESIZE 42 # define QUEUESIZE 1000 /* max # of jobs per queue run */ 43 # endif 44 45 /* 46 ** Compilation options. 47 ** 48 ** #define these if they are available; comment them out otherwise. 49 */ 50 51 # define LOG 1 /* enable logging */ 52 # define UGLYUUCP 1 /* output ugly UUCP From lines */ 53 # define NETINET 1 /* include internet support */ 54 # define SETPROCTITLE 1 /* munge argv to display current status */ 55 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 56 # define MATCHGECOS 1 /* match user names from gecos field */ 57 58 # ifdef NEWDB 59 # define USERDB 1 /* look in user database (requires NEWDB) */ 60 # define BTREE_MAP 1 /* enable BTREE mapping type (requires NEWDB) */ 61 # define HASH_MAP 1 /* enable HASH mapping type (requires NEWDB) */ 62 # endif 63 64 # ifdef NIS 65 # define NIS_ALIASES 1 /* include NIS support for aliases */ 66 # define NIS_MAP 1 /* include NIS mapping type */ 67 # endif 68 69 # ifdef NDBM 70 # define DBM_MAP 1 /* enable DBM mapping type (requires NDBM) */ 71 # endif 72 73 /* 74 ** Operating system configuration. 75 ** 76 ** Unless you are porting to a new OS, you shouldn't have to 77 ** change these. 78 */ 79 80 # ifdef __hpux 81 # define SYSTEM5 1 82 # endif 83 84 # ifdef IBM_AIX 85 # define LOCKF 1 /* use System V lockf instead of flock */ 86 # define FORK fork /* no vfork primitive available */ 87 # endif 88 89 # ifdef SYSTEM5 90 91 # define LOCKF 1 /* use System V lockf instead of flock */ 92 # define SYS5TZ 1 /* use System V style timezones */ 93 # define HASUNAME 1 /* use System V uname system call */ 94 95 # endif 96 97 #if defined(sun) && !defined(BSD) 98 # include <vfork.h> 99 #endif 100 101 #ifdef _POSIX_VERSION 102 # define HASSETSID 1 /* has setsid(2) call */ 103 #endif 104 105 #ifdef NeXT 106 # define sleep sleepX 107 #endif 108 109 /* 110 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 111 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 112 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 113 ** are closed. Some firewalls return this error if you try to connect 114 ** to the IDENT port (113), so you can't receive email from these hosts 115 ** on these systems. The firewall really should use a more specific 116 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. 117 */ 118 119 #if !defined(ultrix) && !defined(__hpux) 120 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 121 #endif 122 123 /* 124 ** Remaining definitions should never have to be changed. They are 125 ** primarily to provide back compatibility for older systems -- for 126 ** example, it includes some POSIX compatibility definitions 127 */ 128 129 /* System 5 compatibility */ 130 #ifndef S_ISREG 131 #define S_ISREG(foo) ((foo & S_IFREG) == S_IFREG) 132 #endif 133 #ifndef S_IWGRP 134 #define S_IWGRP 020 135 #endif 136 #ifndef S_IWOTH 137 #define S_IWOTH 002 138 #endif 139 140 /* 141 ** Older systems don't have this error code -- it should be in 142 ** /usr/include/sysexits.h. 143 */ 144 145 # ifndef EX_CONFIG 146 # define EX_CONFIG 78 /* configuration error */ 147 # endif 148 149 /* 150 ** Do some required dependencies 151 */ 152 153 #if defined(NETINET) || defined(NETISO) 154 # define SMTP 1 /* enable user and server SMTP */ 155 # define QUEUE 1 /* enable queueing */ 156 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 157 #endif 158 159 160 /* 161 ** Arrange to use either varargs or stdargs 162 */ 163 164 # ifdef __STDC__ 165 166 # include <stdarg.h> 167 168 # define VA_LOCAL_DECL va_list ap; 169 # define VA_START(f) va_start(ap, f) 170 # define VA_END va_end(ap) 171 172 # else 173 174 # include <varargs.h> 175 176 # define VA_LOCAL_DECL va_list ap; 177 # define VA_START(f) va_start(ap) 178 # define VA_END va_end(ap) 179 180 # endif 181 182 #ifdef HASUNAME 183 # include <sys/utsname.h> 184 # ifdef newstr 185 # undef newstr 186 # endif 187 #else /* ! HASUNAME */ 188 # define NODE_LENGTH 32 189 struct utsname 190 { 191 char nodename[NODE_LENGTH+1]; 192 }; 193 #endif /* HASUNAME */ 194 195 #ifndef MAXHOSTNAMELEN 196 #define MAXHOSTNAMELEN 256 197 #endif 198 199 #if !defined(SIGCHLD) && defined(SIGCLD) 200 # define SIGCHLD SIGCLD 201 #endif 202 203 #ifndef STDIN_FILENO 204 #define STDIN_FILENO 0 205 #endif 206 207 #ifndef STDOUT_FILENO 208 #define STDOUT_FILENO 1 209 #endif 210 211 #ifndef STDERR_FILENO 212 #define STDERR_FILENO 2 213 #endif 214 215 #ifdef LOCKF 216 #define LOCK_SH 0x01 /* shared lock */ 217 #define LOCK_EX 0x02 /* exclusive lock */ 218 #define LOCK_NB 0x04 /* non-blocking lock */ 219 #define LOCK_UN 0x08 /* unlock */ 220 221 #else 222 223 # include <sys/file.h> 224 225 #endif 226 227 /* 228 ** Size of tobuf (deliver.c) 229 ** Tweak this to match your syslog implementation. It will have to 230 ** allow for the extra information printed. 231 */ 232 233 #ifndef TOBUFSIZE 234 # define TOBUFSIZE (1024 - 256) 235 #endif 236 237 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 238 # ifndef FORK 239 # define FORK vfork /* function to call to fork mailer */ 240 # endif 241