proto.m4

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#
# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers.
#	All rights reserved.
# Copyright (c) 1983, 1995 Eric P. Allman.  All rights reserved.
# Copyright (c) 1988, 1993
#	The Regents of the University of California.  All rights reserved.
#
# By using this file, you agree to the terms and conditions set
# forth in the LICENSE file which can be found at the top level of
# the sendmail distribution.
#
#
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VERSIONID(`$Id: proto.m4,v 8.446.2.5.2.29 2000/09/15 04:45:14 gshapiro Exp $')

MAILER(local)dnl

# level CF_LEVEL config file format
V`'CF_LEVEL/ifdef(`VENDOR_NAME', `VENDOR_NAME', `Berkeley')
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# do some sanity checking
ifdef(`__OSTYPE__',,
	`errprint(`*** ERROR: No system type defined (use OSTYPE macro)
')')

# pick our default mailers
ifdef(`confSMTP_MAILER',, `define(`confSMTP_MAILER', `esmtp')')
ifdef(`confLOCAL_MAILER',, `define(`confLOCAL_MAILER', `local')')
ifdef(`confRELAY_MAILER',,
	`define(`confRELAY_MAILER',
		`ifdef(`_MAILER_smtp_', `relay',
			`ifdef(`_MAILER_uucp', `uucp-new', `unknown')')')')
ifdef(`confUUCP_MAILER',, `define(`confUUCP_MAILER', `uucp-old')')
define(`_SMTP_', `confSMTP_MAILER')dnl		for readability only
define(`_LOCAL_', `confLOCAL_MAILER')dnl	for readability only
define(`_RELAY_', `confRELAY_MAILER')dnl	for readability only
define(`_UUCP_', `confUUCP_MAILER')dnl		for readability only

# back compatibility with old config files
ifdef(`confDEF_GROUP_ID',
`errprint(`*** confDEF_GROUP_ID is obsolete.
    Use confDEF_USER_ID with a colon in the value instead.
')')
ifdef(`confREAD_TIMEOUT',
`errprint(`*** confREAD_TIMEOUT is obsolete.
    Use individual confTO_<timeout> parameters instead.
')')
ifdef(`confMESSAGE_TIMEOUT',
	`define(`_ARG_', index(confMESSAGE_TIMEOUT, /))
	 ifelse(_ARG_, -1,
		`define(`confTO_QUEUERETURN', confMESSAGE_TIMEOUT)',
		`define(`confTO_QUEUERETURN',
			substr(confMESSAGE_TIMEOUT, 0, _ARG_))
		 define(`confTO_QUEUEWARN',
			substr(confMESSAGE_TIMEOUT, eval(_ARG_+1)))')')
ifdef(`confMIN_FREE_BLOCKS', `ifelse(index(confMIN_FREE_BLOCKS, /), -1,,
`errprint(`*** compound confMIN_FREE_BLOCKS is obsolete.
    Use confMAX_MESSAGE_SIZE for the second part of the value.
')')')


# Sanity check on ldap_routing feature
# If the user doesn't specify a new map, they better have given as a
# default LDAP specification which has the LDAP base (and most likely the host)
ifdef(`confLDAP_DEFAULT_SPEC',, `ifdef(`_LDAP_ROUTING_WARN_', `errprint(`
WARNING: Using default FEATURE(ldap_routing) map definition(s)
without setting confLDAP_DEFAULT_SPEC option.
')')')dnl

# clean option definitions below....
define(`_OPTION', `ifdef(`$2', `O $1`'ifelse(defn(`$2'), `',, `=$2')', `#O $1`'ifelse(`$3', `',,`=$3')')')dnl

dnl required to "rename" the check_* rulesets...
define(`_U_',ifdef(`_DELAY_CHECKS_',`',`_'))
dnl default relaying denied message
ifdef(`confRELAY_MSG', `', `define(`confRELAY_MSG', `"550 Relaying denied"')')
divert(0)dnl

# override file safeties - setting this option compromises system security,
# addressing the actual file configuration problem is preferred
# need to set this before any file actions are encountered in the cf file
_OPTION(DontBlameSendmail, `confDONT_BLAME_SENDMAIL', `safe')

# default LDAP map specification
# need to set this now before any LDAP maps are defined
_OPTION(LDAPDefaultSpec, `confLDAP_DEFAULT_SPEC', `-h localhost')

##################
#   local info   #
##################

Cwlocalhost
ifdef(`USE_CW_FILE',
`# file containing names of hosts for which we receive email
Fw`'confCW_FILE',
	`dnl')

# my official domain name
# ... `define' this only if sendmail cannot automatically determine your domain
ifdef(`confDOMAIN_NAME', `Dj`'confDOMAIN_NAME', `#Dj$w.Foo.COM')

CP.

ifdef(`UUCP_RELAY',
`# UUCP relay host
DY`'UUCP_RELAY
CPUUCP

')dnl
ifdef(`BITNET_RELAY',
`#  BITNET relay host
DB`'BITNET_RELAY
CPBITNET

')dnl
ifdef(`DECNET_RELAY',
`define(`_USE_DECNET_SYNTAX_', 1)dnl
# DECnet relay host
DC`'DECNET_RELAY
CPDECNET

')dnl
ifdef(`FAX_RELAY',
`# FAX relay host
DF`'FAX_RELAY
CPFAX

')dnl
# "Smart" relay host (may be null)
DS`'ifdef(`SMART_HOST', SMART_HOST)

ifdef(`LUSER_RELAY', `dnl
# place to which unknown users should be forwarded
Kuser user -m -a<>
DL`'LUSER_RELAY',
`dnl')

# operators that cannot be in local usernames (i.e., network indicators)
CO @ % ifdef(`_NO_UUCP_', `', `!')

# a class with just dot (for identifying canonical names)
C..

# a class with just a left bracket (for identifying domain literals)
C[[

ifdef(`_ACCESS_TABLE_', `dnl
# access_db acceptance class
C{Accept}OK RELAY
ifdef(`_DELAY_CHECKS_',`dnl
ifdef(`_BLACKLIST_RCPT_',`dnl
# possible access_db RHS for spam friends/haters
C{SpamTag}SPAMFRIEND SPAMHATER')')',
`dnl')

ifdef(`_ACCEPT_UNRESOLVABLE_DOMAINS_',`dnl',`dnl
# Resolve map (to check if a host exists in check_mail)
Kresolve host -a<OK> -T<TEMP>')

ifdef(`_FFR_5_', `# macro storage map
Kmacro macro')

ifdef(`confCR_FILE', `dnl
# Hosts for which relaying is permitted ($=R)
FR`'confCR_FILE',
`dnl')

define(`TLS_SRV_TAG', `TLS_Srv')dnl
define(`TLS_CLT_TAG', `TLS_Clt')dnl
define(`TLS_TRY_TAG', `Try_TLS')dnl
define(`TLS_OFF_TAG', `Offer_TLS')dnl
dnl this may be useful in other contexts too
ifdef(`_ARITH_MAP_', `', `# arithmetic map
define(`_ARITH_MAP_', `1')dnl
Karith arith')
ifdef(`_ACCESS_TABLE_', `dnl
# possible values for tls_connect in access map
C{tls}VERIFY ENCR', `dnl')
ifdef(`_CERT_REGEX_ISSUER_', `dnl
# extract relevant part from cert issuer
KCERTIssuer regex _CERT_REGEX_ISSUER_', `dnl')
ifdef(`_CERT_REGEX_SUBJECT_', `dnl
# extract relevant part from cert subject
KCERTSubject regex _CERT_REGEX_SUBJECT_', `dnl')

# who I send unqualified names to (null means deliver locally)
DR`'ifdef(`LOCAL_RELAY', LOCAL_RELAY)

# who gets all local email traffic ($R has precedence for unqualified names)
DH`'ifdef(`MAIL_HUB', MAIL_HUB)

# dequoting map
Kdequote dequote

divert(0)dnl	# end of nullclient diversion
# class E: names that should be exposed as from this host, even if we masquerade
# class L: names that should be delivered locally, even if we have a relay
# class M: domains that should be converted to $M
# class N: domains that should not be converted to $M
#CL root
undivert(5)dnl
ifdef(`_VIRTHOSTS_', `CR$={VirtHost}', `dnl')

# who I masquerade as (null for no masquerading) (see also $=M)
DM`'ifdef(`MASQUERADE_NAME', MASQUERADE_NAME)

# my name for error messages
ifdef(`confMAILER_NAME', `Dn`'confMAILER_NAME', `#DnMAILER-DAEMON')

undivert(6)dnl LOCAL_CONFIG
include(_CF_DIR_`m4/version.m4')

###############
#   Options   #
###############

# strip message body to 7 bits on input?
_OPTION(SevenBitInput, `confSEVEN_BIT_INPUT', `False')

# 8-bit data handling
_OPTION(EightBitMode, `confEIGHT_BIT_HANDLING', `adaptive')

# wait for alias file rebuild (default units: minutes)
_OPTION(AliasWait, `confALIAS_WAIT', `5m')

# location of alias file
_OPTION(AliasFile, `ALIAS_FILE', `MAIL_SETTINGS_DIR`'aliases')

# minimum number of free blocks on filesystem
_OPTION(MinFreeBlocks, `confMIN_FREE_BLOCKS', `100')

# maximum message size
_OPTION(MaxMessageSize, `confMAX_MESSAGE_SIZE', `1000000')

# substitution for space (blank) characters
_OPTION(BlankSub, `confBLANK_SUB', `_')

# avoid connecting to "expensive" mailers on initial submission?
_OPTION(HoldExpensive, `confCON_EXPENSIVE', `False')

# checkpoint queue runs after every N successful deliveries
_OPTION(CheckpointInterval, `confCHECKPOINT_INTERVAL', `10')

# default delivery mode
_OPTION(DeliveryMode, `confDELIVERY_MODE', `background')

# automatically rebuild the alias database?
# NOTE: There is a potential for a denial of service attack if this is set.
#       This option is deprecated and will be removed from a future version.
_OPTION(AutoRebuildAliases, `confAUTO_REBUILD', `False')

# error message header/file
_OPTION(ErrorHeader, `confERROR_MESSAGE', `MAIL_SETTINGS_DIR`'error-header')

# error mode
_OPTION(ErrorMode, `confERROR_MODE', `print')

# save Unix-style "From_" lines at top of header?
_OPTION(SaveFromLine, `confSAVE_FROM_LINES', `False')

# temporary file mode
_OPTION(TempFileMode, `confTEMP_FILE_MODE', `0600')

# match recipients against GECOS field?
_OPTION(MatchGECOS, `confMATCH_GECOS', `False')

# maximum hop count
_OPTION(MaxHopCount, `confMAX_HOP', `17')

# location of help file
O HelpFile=ifdef(`HELP_FILE', HELP_FILE, `MAIL_SETTINGS_DIR`'helpfile')

# ignore dots as terminators in incoming messages?
_OPTION(IgnoreDots, `confIGNORE_DOTS', `False')

# name resolver options
_OPTION(ResolverOptions, `confBIND_OPTS', `+AAONLY')

# deliver MIME-encapsulated error messages?
_OPTION(SendMimeErrors, `confMIME_FORMAT_ERRORS', `True')

# Forward file search path
_OPTION(ForwardPath, `confFORWARD_PATH', `/var/forward/$u:$z/.forward.$w:$z/.forward')

# open connection cache size
_OPTION(ConnectionCacheSize, `confMCI_CACHE_SIZE', `2')

# open connection cache timeout
_OPTION(ConnectionCacheTimeout, `confMCI_CACHE_TIMEOUT', `5m')

# persistent host status directory
_OPTION(HostStatusDirectory, `confHOST_STATUS_DIRECTORY', `.hoststat')

# single thread deliveries (requires HostStatusDirectory)?
_OPTION(SingleThreadDelivery, `confSINGLE_THREAD_DELIVERY', `False')

# use Errors-To: header?
_OPTION(UseErrorsTo, `confUSE_ERRORS_TO', `False')

# log level
_OPTION(LogLevel, `confLOG_LEVEL', `10')

# send to me too, even in an alias expansion?
_OPTION(MeToo, `confME_TOO', `True')

# verify RHS in newaliases?
_OPTION(CheckAliases, `confCHECK_ALIASES', `False')

# default messages to old style headers if no special punctuation?
_OPTION(OldStyleHeaders, `confOLD_STYLE_HEADERS', `False')

# SMTP daemon options
ifelse(defn(`confDAEMON_OPTIONS'), `', `dnl',
`errprint(WARNING: `confDAEMON_OPTIONS' is no longer valid.  See cf/README for more information.
)'dnl
`DAEMON_OPTIONS(`confDAEMON_OPTIONS')')
ifelse(defn(`_DPO_'), `',
`ifdef(`_NETINET6_', `O DaemonPortOptions=Name=MTA-IPv4, Family=inet
O DaemonPortOptions=Name=MTA-IPv6, Family=inet6',`O DaemonPortOptions=Name=MTA')', `_DPO_')
ifdef(`_NO_MSA_', `dnl', `O DaemonPortOptions=Port=587, Name=MSA, M=E')

# SMTP client options
_OPTION(ClientPortOptions, `confCLIENT_OPTIONS', `Address=0.0.0.0')

# privacy flags
_OPTION(PrivacyOptions, `confPRIVACY_FLAGS', `authwarnings')

# who (if anyone) should get extra copies of error messages
_OPTION(PostmasterCopy, `confCOPY_ERRORS_TO', `Postmaster')

# slope of queue-only function
_OPTION(QueueFactor, `confQUEUE_FACTOR', `600000')

# queue directory
O QueueDirectory=ifdef(`QUEUE_DIR', QUEUE_DIR, `/var/spool/mqueue')

# timeouts (many of these)
_OPTION(Timeout.initial, `confTO_INITIAL', `5m')
_OPTION(Timeout.connect, `confTO_CONNECT', `5m')
_OPTION(Timeout.iconnect, `confTO_ICONNECT', `5m')
_OPTION(Timeout.helo, `confTO_HELO', `5m')
_OPTION(Timeout.mail, `confTO_MAIL', `10m')