proto.m4 revision 95154
138032Speterdivert(-1) 238032Speter# 394334Sgshapiro# Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. 464562Sgshapiro# All rights reserved. 538032Speter# Copyright (c) 1983, 1995 Eric P. Allman. All rights reserved. 638032Speter# Copyright (c) 1988, 1993 738032Speter# The Regents of the University of California. All rights reserved. 838032Speter# 938032Speter# By using this file, you agree to the terms and conditions set 1038032Speter# forth in the LICENSE file which can be found at the top level of 1138032Speter# the sendmail distribution. 1238032Speter# 1338032Speter# 1438032Speterdivert(0) 1538032Speter 1695154SgshapiroVERSIONID(`$Id: proto.m4,v 1.1.1.11 2002/04/10 03:04:58 gshapiro Exp $') 1738032Speter 1864562Sgshapiro# level CF_LEVEL config file format 1964562SgshapiroV`'CF_LEVEL/ifdef(`VENDOR_NAME', `VENDOR_NAME', `Berkeley') 2038032Speterdivert(-1) 2138032Speter 2290792Sgshapirodnl if MAILER(`local') not defined: do it ourself; be nice 2390792Sgshapirodnl maybe we should issue a warning? 2490792Sgshapiroifdef(`_MAILER_local_',`', `MAILER(local)') 2590792Sgshapiro 2638032Speter# do some sanity checking 2738032Speterifdef(`__OSTYPE__',, 2864562Sgshapiro `errprint(`*** ERROR: No system type defined (use OSTYPE macro) 2964562Sgshapiro')') 3038032Speter 3138032Speter# pick our default mailers 3238032Speterifdef(`confSMTP_MAILER',, `define(`confSMTP_MAILER', `esmtp')') 3338032Speterifdef(`confLOCAL_MAILER',, `define(`confLOCAL_MAILER', `local')') 3438032Speterifdef(`confRELAY_MAILER',, 3538032Speter `define(`confRELAY_MAILER', 3638032Speter `ifdef(`_MAILER_smtp_', `relay', 3738032Speter `ifdef(`_MAILER_uucp', `uucp-new', `unknown')')')') 3838032Speterifdef(`confUUCP_MAILER',, `define(`confUUCP_MAILER', `uucp-old')') 3938032Speterdefine(`_SMTP_', `confSMTP_MAILER')dnl for readability only 4038032Speterdefine(`_LOCAL_', `confLOCAL_MAILER')dnl for readability only 4138032Speterdefine(`_RELAY_', `confRELAY_MAILER')dnl for readability only 4238032Speterdefine(`_UUCP_', `confUUCP_MAILER')dnl for readability only 4338032Speter 4438032Speter# back compatibility with old config files 4538032Speterifdef(`confDEF_GROUP_ID', 4664562Sgshapiro`errprint(`*** confDEF_GROUP_ID is obsolete. 4764562Sgshapiro Use confDEF_USER_ID with a colon in the value instead. 4864562Sgshapiro')') 4938032Speterifdef(`confREAD_TIMEOUT', 5064562Sgshapiro`errprint(`*** confREAD_TIMEOUT is obsolete. 5164562Sgshapiro Use individual confTO_<timeout> parameters instead. 5264562Sgshapiro')') 5338032Speterifdef(`confMESSAGE_TIMEOUT', 5438032Speter `define(`_ARG_', index(confMESSAGE_TIMEOUT, /)) 5538032Speter ifelse(_ARG_, -1, 5638032Speter `define(`confTO_QUEUERETURN', confMESSAGE_TIMEOUT)', 5738032Speter `define(`confTO_QUEUERETURN', 5838032Speter substr(confMESSAGE_TIMEOUT, 0, _ARG_)) 5938032Speter define(`confTO_QUEUEWARN', 6038032Speter substr(confMESSAGE_TIMEOUT, eval(_ARG_+1)))')') 6138032Speterifdef(`confMIN_FREE_BLOCKS', `ifelse(index(confMIN_FREE_BLOCKS, /), -1,, 6264562Sgshapiro`errprint(`*** compound confMIN_FREE_BLOCKS is obsolete. 6364562Sgshapiro Use confMAX_MESSAGE_SIZE for the second part of the value. 6464562Sgshapiro')')') 6538032Speter 6664562Sgshapiro 6764562Sgshapiro# Sanity check on ldap_routing feature 6864562Sgshapiro# If the user doesn't specify a new map, they better have given as a 6964562Sgshapiro# default LDAP specification which has the LDAP base (and most likely the host) 7064562Sgshapiroifdef(`confLDAP_DEFAULT_SPEC',, `ifdef(`_LDAP_ROUTING_WARN_', `errprint(` 7164562SgshapiroWARNING: Using default FEATURE(ldap_routing) map definition(s) 7264562Sgshapirowithout setting confLDAP_DEFAULT_SPEC option. 7364562Sgshapiro')')')dnl 7464562Sgshapiro 7538032Speter# clean option definitions below.... 7664562Sgshapirodefine(`_OPTION', `ifdef(`$2', `O $1`'ifelse(defn(`$2'), `',, `=$2')', `#O $1`'ifelse(`$3', `',,`=$3')')')dnl 7738032Speter 7864562Sgshapirodnl required to "rename" the check_* rulesets... 7964562Sgshapirodefine(`_U_',ifdef(`_DELAY_CHECKS_',`',`_')) 8064562Sgshapirodnl default relaying denied message 8190792Sgshapiroifdef(`confRELAY_MSG', `', `define(`confRELAY_MSG', 8290792Sgshapiroifdef(`_USE_AUTH_', `"550 Relaying denied. Proper authentication required."', `"550 Relaying denied"'))') 8390792Sgshapiroifdef(`confRCPTREJ_MSG', `', `define(`confRCPTREJ_MSG', `"550 Mailbox disabled for this recipient"')') 8490792Sgshapirodefine(`_CODE553', `553') 8538032Speterdivert(0)dnl 8638032Speter 8764562Sgshapiro# override file safeties - setting this option compromises system security, 8864562Sgshapiro# addressing the actual file configuration problem is preferred 8964562Sgshapiro# need to set this before any file actions are encountered in the cf file 9064562Sgshapiro_OPTION(DontBlameSendmail, `confDONT_BLAME_SENDMAIL', `safe') 9138032Speter 9264562Sgshapiro# default LDAP map specification 9364562Sgshapiro# need to set this now before any LDAP maps are defined 9464562Sgshapiro_OPTION(LDAPDefaultSpec, `confLDAP_DEFAULT_SPEC', `-h localhost') 9564562Sgshapiro 9638032Speter################## 9738032Speter# local info # 9838032Speter################## 9938032Speter 10090792Sgshapiro# my LDAP cluster 10190792Sgshapiro# need to set this before any LDAP lookups are done (including classes) 10290792Sgshapiroifdef(`confLDAP_CLUSTER', `D{sendmailMTACluster}`'confLDAP_CLUSTER', `#D{sendmailMTACluster}$m') 10390792Sgshapiro 10438032SpeterCwlocalhost 10538032Speterifdef(`USE_CW_FILE', 10638032Speter`# file containing names of hosts for which we receive email 10738032SpeterFw`'confCW_FILE', 10838032Speter `dnl') 10938032Speter 11038032Speter# my official domain name 11138032Speter# ... `define' this only if sendmail cannot automatically determine your domain 11238032Speterifdef(`confDOMAIN_NAME', `Dj`'confDOMAIN_NAME', `#Dj$w.Foo.COM') 11338032Speter 11438032SpeterCP. 11538032Speter 11638032Speterifdef(`UUCP_RELAY', 11738032Speter`# UUCP relay host 11838032SpeterDY`'UUCP_RELAY 11938032SpeterCPUUCP 12038032Speter 12138032Speter')dnl 12238032Speterifdef(`BITNET_RELAY', 12338032Speter`# BITNET relay host 12438032SpeterDB`'BITNET_RELAY 12538032SpeterCPBITNET 12638032Speter 12738032Speter')dnl 12838032Speterifdef(`DECNET_RELAY', 12938032Speter`define(`_USE_DECNET_SYNTAX_', 1)dnl 13038032Speter# DECnet relay host 13138032SpeterDC`'DECNET_RELAY 13238032SpeterCPDECNET 13338032Speter 13438032Speter')dnl 13538032Speterifdef(`FAX_RELAY', 13638032Speter`# FAX relay host 13738032SpeterDF`'FAX_RELAY 13838032SpeterCPFAX 13938032Speter 14038032Speter')dnl 14138032Speter# "Smart" relay host (may be null) 14290792SgshapiroDS`'ifdef(`SMART_HOST', `SMART_HOST') 14338032Speter 14438032Speterifdef(`LUSER_RELAY', `dnl 14538032Speter# place to which unknown users should be forwarded 14638032SpeterKuser user -m -a<> 14738032SpeterDL`'LUSER_RELAY', 14838032Speter`dnl') 14938032Speter 15038032Speter# operators that cannot be in local usernames (i.e., network indicators) 15138032SpeterCO @ % ifdef(`_NO_UUCP_', `', `!') 15238032Speter 15338032Speter# a class with just dot (for identifying canonical names) 15438032SpeterC.. 15538032Speter 15638032Speter# a class with just a left bracket (for identifying domain literals) 15738032SpeterC[[ 15838032Speter 15964562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 16064562Sgshapiro# access_db acceptance class 16164562SgshapiroC{Accept}OK RELAY 16290792Sgshapiroifdef(`_DELAY_COMPAT_8_10_',`dnl 16364562Sgshapiroifdef(`_BLACKLIST_RCPT_',`dnl 16464562Sgshapiro# possible access_db RHS for spam friends/haters 16564562SgshapiroC{SpamTag}SPAMFRIEND SPAMHATER')')', 16638032Speter`dnl') 16738032Speter 16890792Sgshapirodnl mark for "domain is ok" (resolved or accepted anyway) 16990792Sgshapirodefine(`_RES_OK_', `OKR')dnl 17038032Speterifdef(`_ACCEPT_UNRESOLVABLE_DOMAINS_',`dnl',`dnl 17138032Speter# Resolve map (to check if a host exists in check_mail) 17290792SgshapiroKresolve host -a<_RES_OK_> -T<TEMP>') 17390792SgshapiroC{ResOk}_RES_OK_ 17438032Speter 17580785Sgshapiroifdef(`_NEED_MACRO_MAP_', `dnl 17680785Sgshapiroifdef(`_MACRO_MAP_', `', `# macro storage map 17780785Sgshapirodefine(`_MACRO_MAP_', `1')dnl 17880785SgshapiroKmacro macro')', `dnl') 17966494Sgshapiro 18038032Speterifdef(`confCR_FILE', `dnl 18166494Sgshapiro# Hosts for which relaying is permitted ($=R) 18238032SpeterFR`'confCR_FILE', 18338032Speter`dnl') 18438032Speter 18590792Sgshapirodefine(`TLS_SRV_TAG', `"TLS_Srv"')dnl 18690792Sgshapirodefine(`TLS_CLT_TAG', `"TLS_Clt"')dnl 18790792Sgshapirodefine(`TLS_RCPT_TAG', `"TLS_Rcpt"')dnl 18890792Sgshapirodefine(`TLS_TRY_TAG', `"Try_TLS"')dnl 18990792Sgshapirodefine(`SRV_FEAT_TAG', `"Srv_Features"')dnl 19064562Sgshapirodnl this may be useful in other contexts too 19164562Sgshapiroifdef(`_ARITH_MAP_', `', `# arithmetic map 19264562Sgshapirodefine(`_ARITH_MAP_', `1')dnl 19364562SgshapiroKarith arith') 19464562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 19590792Sgshapiroifdef(`_MACRO_MAP_', `', `# macro storage map 19690792Sgshapirodefine(`_MACRO_MAP_', `1')dnl 19790792SgshapiroKmacro macro') 19890792Sgshapiro# possible values for TLS_connection in access map 19964562SgshapiroC{tls}VERIFY ENCR', `dnl') 20064562Sgshapiroifdef(`_CERT_REGEX_ISSUER_', `dnl 20164562Sgshapiro# extract relevant part from cert issuer 20264562SgshapiroKCERTIssuer regex _CERT_REGEX_ISSUER_', `dnl') 20364562Sgshapiroifdef(`_CERT_REGEX_SUBJECT_', `dnl 20464562Sgshapiro# extract relevant part from cert subject 20564562SgshapiroKCERTSubject regex _CERT_REGEX_SUBJECT_', `dnl') 20664562Sgshapiro 20790792Sgshapiroifdef(`LOCAL_RELAY', `dnl 20838032Speter# who I send unqualified names to (null means deliver locally) 20990792SgshapiroDR`'LOCAL_RELAY') 21038032Speter 21190792Sgshapiroifdef(`MAIL_HUB', `dnl 21238032Speter# who gets all local email traffic ($R has precedence for unqualified names) 21390792SgshapiroDH`'MAIL_HUB') 21438032Speter 21538032Speter# dequoting map 21690792SgshapiroKdequote dequote`'ifdef(`confDEQUOTE_OPTS', ` confDEQUOTE_OPTS', `') 21738032Speter 21838032Speterdivert(0)dnl # end of nullclient diversion 21938032Speter# class E: names that should be exposed as from this host, even if we masquerade 22064562Sgshapiro# class L: names that should be delivered locally, even if we have a relay 22138032Speter# class M: domains that should be converted to $M 22264562Sgshapiro# class N: domains that should not be converted to $M 22338032Speter#CL root 22438032Speterundivert(5)dnl 22564562Sgshapiroifdef(`_VIRTHOSTS_', `CR$={VirtHost}', `dnl') 22638032Speter 22790792Sgshapiroifdef(`MASQUERADE_NAME', `dnl 22838032Speter# who I masquerade as (null for no masquerading) (see also $=M) 22990792SgshapiroDM`'MASQUERADE_NAME') 23038032Speter 23138032Speter# my name for error messages 23238032Speterifdef(`confMAILER_NAME', `Dn`'confMAILER_NAME', `#DnMAILER-DAEMON') 23338032Speter 23464562Sgshapiroundivert(6)dnl LOCAL_CONFIG 23538032Speterinclude(_CF_DIR_`m4/version.m4') 23638032Speter 23738032Speter############### 23838032Speter# Options # 23938032Speter############### 24090792Sgshapiroifdef(`confAUTO_REBUILD', 24190792Sgshapiro`errprint(WARNING: `confAUTO_REBUILD' is no longer valid. 24290792Sgshapiro There was a potential for a denial of service attack if this is set. 24390792Sgshapiro)')dnl 24438032Speter 24538032Speter# strip message body to 7 bits on input? 24664562Sgshapiro_OPTION(SevenBitInput, `confSEVEN_BIT_INPUT', `False') 24738032Speter 24838032Speter# 8-bit data handling 24977349Sgshapiro_OPTION(EightBitMode, `confEIGHT_BIT_HANDLING', `pass8') 25038032Speter 25138032Speter# wait for alias file rebuild (default units: minutes) 25264562Sgshapiro_OPTION(AliasWait, `confALIAS_WAIT', `5m') 25338032Speter 25438032Speter# location of alias file 25564562Sgshapiro_OPTION(AliasFile, `ALIAS_FILE', `MAIL_SETTINGS_DIR`'aliases') 25664562Sgshapiro 25738032Speter# minimum number of free blocks on filesystem 25864562Sgshapiro_OPTION(MinFreeBlocks, `confMIN_FREE_BLOCKS', `100') 25938032Speter 26038032Speter# maximum message size 26164562Sgshapiro_OPTION(MaxMessageSize, `confMAX_MESSAGE_SIZE', `1000000') 26238032Speter 26338032Speter# substitution for space (blank) characters 26464562Sgshapiro_OPTION(BlankSub, `confBLANK_SUB', `_') 26538032Speter 26638032Speter# avoid connecting to "expensive" mailers on initial submission? 26764562Sgshapiro_OPTION(HoldExpensive, `confCON_EXPENSIVE', `False') 26838032Speter 26938032Speter# checkpoint queue runs after every N successful deliveries 27064562Sgshapiro_OPTION(CheckpointInterval, `confCHECKPOINT_INTERVAL', `10') 27138032Speter 27238032Speter# default delivery mode 27364562Sgshapiro_OPTION(DeliveryMode, `confDELIVERY_MODE', `background') 27438032Speter 27538032Speter# error message header/file 27664562Sgshapiro_OPTION(ErrorHeader, `confERROR_MESSAGE', `MAIL_SETTINGS_DIR`'error-header') 27738032Speter 27838032Speter# error mode 27964562Sgshapiro_OPTION(ErrorMode, `confERROR_MODE', `print') 28038032Speter 28138032Speter# save Unix-style "From_" lines at top of header? 28264562Sgshapiro_OPTION(SaveFromLine, `confSAVE_FROM_LINES', `False') 28338032Speter 28490792Sgshapiro# queue file mode (qf files) 28590792Sgshapiro_OPTION(QueueFileMode, `confQUEUE_FILE_MODE', `0600') 28690792Sgshapiro 28738032Speter# temporary file mode 28864562Sgshapiro_OPTION(TempFileMode, `confTEMP_FILE_MODE', `0600') 28938032Speter 29038032Speter# match recipients against GECOS field? 29164562Sgshapiro_OPTION(MatchGECOS, `confMATCH_GECOS', `False') 29238032Speter 29338032Speter# maximum hop count 29490792Sgshapiro_OPTION(MaxHopCount, `confMAX_HOP', `25') 29538032Speter 29638032Speter# location of help file 29764562SgshapiroO HelpFile=ifdef(`HELP_FILE', HELP_FILE, `MAIL_SETTINGS_DIR`'helpfile') 29838032Speter 29938032Speter# ignore dots as terminators in incoming messages? 30064562Sgshapiro_OPTION(IgnoreDots, `confIGNORE_DOTS', `False') 30138032Speter 30238032Speter# name resolver options 30364562Sgshapiro_OPTION(ResolverOptions, `confBIND_OPTS', `+AAONLY') 30438032Speter 30538032Speter# deliver MIME-encapsulated error messages? 30664562Sgshapiro_OPTION(SendMimeErrors, `confMIME_FORMAT_ERRORS', `True') 30738032Speter 30838032Speter# Forward file search path 30964562Sgshapiro_OPTION(ForwardPath, `confFORWARD_PATH', `/var/forward/$u:$z/.forward.$w:$z/.forward') 31038032Speter 31138032Speter# open connection cache size 31264562Sgshapiro_OPTION(ConnectionCacheSize, `confMCI_CACHE_SIZE', `2') 31338032Speter 31438032Speter# open connection cache timeout 31564562Sgshapiro_OPTION(ConnectionCacheTimeout, `confMCI_CACHE_TIMEOUT', `5m') 31638032Speter 31738032Speter# persistent host status directory 31864562Sgshapiro_OPTION(HostStatusDirectory, `confHOST_STATUS_DIRECTORY', `.hoststat') 31938032Speter 32038032Speter# single thread deliveries (requires HostStatusDirectory)? 32164562Sgshapiro_OPTION(SingleThreadDelivery, `confSINGLE_THREAD_DELIVERY', `False') 32238032Speter 32338032Speter# use Errors-To: header? 32464562Sgshapiro_OPTION(UseErrorsTo, `confUSE_ERRORS_TO', `False') 32538032Speter 32638032Speter# log level 32764562Sgshapiro_OPTION(LogLevel, `confLOG_LEVEL', `10') 32838032Speter 32938032Speter# send to me too, even in an alias expansion? 33064562Sgshapiro_OPTION(MeToo, `confME_TOO', `True') 33138032Speter 33238032Speter# verify RHS in newaliases? 33364562Sgshapiro_OPTION(CheckAliases, `confCHECK_ALIASES', `False') 33438032Speter 33538032Speter# default messages to old style headers if no special punctuation? 33664562Sgshapiro_OPTION(OldStyleHeaders, `confOLD_STYLE_HEADERS', `False') 33738032Speter 33838032Speter# SMTP daemon options 33964562Sgshapiroifelse(defn(`confDAEMON_OPTIONS'), `', `dnl', 34094334Sgshapiro`errprint(WARNING: `confDAEMON_OPTIONS' is no longer valid. 34194334Sgshapiro Use `DAEMON_OPTIONS()'; see cf/README. 34264562Sgshapiro)'dnl 34364562Sgshapiro`DAEMON_OPTIONS(`confDAEMON_OPTIONS')') 34466494Sgshapiroifelse(defn(`_DPO_'), `', 34590792Sgshapiro`ifdef(`_NETINET6_', `O DaemonPortOptions=Name=MTA-v4, Family=inet 34690792SgshapiroO DaemonPortOptions=Name=MTA-v6, Family=inet6',`O DaemonPortOptions=Name=MTA')', `_DPO_') 34764562Sgshapiroifdef(`_NO_MSA_', `dnl', `O DaemonPortOptions=Port=587, Name=MSA, M=E') 34838032Speter 34964562Sgshapiro# SMTP client options 35090792Sgshapiroifelse(defn(`confCLIENT_OPTIONS'), `', `dnl', 35190792Sgshapiro`errprint(WARNING: `confCLIENT_OPTIONS' is no longer valid. See cf/README for more information. 35290792Sgshapiro)'dnl 35390792Sgshapiro`CLIENT_OPTIONS(`confCLIENT_OPTIONS')') 35490792Sgshapiroifelse(defn(`_CPO_'), `', 35590792Sgshapiro`#O ClientPortOptions=Family=inet, Address=0.0.0.0', `_CPO_') 35664562Sgshapiro 35790792Sgshapiro# Modifiers to `define' {daemon_flags} for direct submissions 35890792Sgshapiro_OPTION(DirectSubmissionModifiers, `confDIRECT_SUBMISSION_MODIFIERS', `') 35990792Sgshapiro 36090792Sgshapiro# Use as mail submission program? See sendmail/SECURITY 36190792Sgshapiro_OPTION(UseMSP, `confUSE_MSP', `') 36290792Sgshapiro 36338032Speter# privacy flags 36464562Sgshapiro_OPTION(PrivacyOptions, `confPRIVACY_FLAGS', `authwarnings') 36538032Speter 36638032Speter# who (if anyone) should get extra copies of error messages 36764562Sgshapiro_OPTION(PostmasterCopy, `confCOPY_ERRORS_TO', `Postmaster') 36838032Speter 36938032Speter# slope of queue-only function 37064562Sgshapiro_OPTION(QueueFactor, `confQUEUE_FACTOR', `600000') 37138032Speter 37290792Sgshapiro# limit on number of concurrent queue runners 37390792Sgshapiro_OPTION(MaxQueueChildren, `confMAX_QUEUE_CHILDREN', `') 37490792Sgshapiro 37590792Sgshapiro# maximum number of queue-runners per queue-grouping with multiple queues 37690792Sgshapiro_OPTION(MaxRunnersPerQueue, `confMAX_RUNNERS_PER_QUEUE', `1') 37790792Sgshapiro 37890792Sgshapiro# priority of queue runners (nice(3)) 37990792Sgshapiro_OPTION(NiceQueueRun, `confNICE_QUEUE_RUN', `') 38090792Sgshapiro 38190792Sgshapiro# shall we sort the queue by hostname first? 38290792Sgshapiro_OPTION(QueueSortOrder, `confQUEUE_SORT_ORDER', `priority') 38390792Sgshapiro 38490792Sgshapiro# minimum time in queue before retry 38590792Sgshapiro_OPTION(MinQueueAge, `confMIN_QUEUE_AGE', `30m') 38690792Sgshapiro 38790792Sgshapiro# how many jobs can you process in the queue? 38890792Sgshapiro_OPTION(MaxQueueRunSize, `confMAX_QUEUE_RUN_SIZE', `10000') 38990792Sgshapiro 39090792Sgshapiro# perform initial split of envelope without checking MX records 39190792Sgshapiro_OPTION(FastSplit, `confFAST_SPLIT', `1') 39290792Sgshapiro 39338032Speter# queue directory 39464562SgshapiroO QueueDirectory=ifdef(`QUEUE_DIR', QUEUE_DIR, `/var/spool/mqueue') 39538032Speter 39690792Sgshapiro# key for shared memory; 0 to turn off 39790792Sgshapiro_OPTION(SharedMemoryKey, `confSHARED_MEMORY_KEY', `0') 39890792Sgshapiro 39994334Sgshapiroifdef(`confSHARED_MEMORY_KEY_FILE', `dnl 40094334Sgshapiro# file to store key for shared memory (if SharedMemoryKey = -1) 40194334SgshapiroO SharedMemoryKeyFile=confSHARED_MEMORY_KEY_FILE') 40294334Sgshapiro 40338032Speter# timeouts (many of these) 40464562Sgshapiro_OPTION(Timeout.initial, `confTO_INITIAL', `5m') 40564562Sgshapiro_OPTION(Timeout.connect, `confTO_CONNECT', `5m') 40690792Sgshapiro_OPTION(Timeout.aconnect, `confTO_ACONNECT', `0s') 40764562Sgshapiro_OPTION(Timeout.iconnect, `confTO_ICONNECT', `5m') 40864562Sgshapiro_OPTION(Timeout.helo, `confTO_HELO', `5m') 40964562Sgshapiro_OPTION(Timeout.mail, `confTO_MAIL', `10m') 41064562Sgshapiro_OPTION(Timeout.rcpt, `confTO_RCPT', `1h') 41164562Sgshapiro_OPTION(Timeout.datainit, `confTO_DATAINIT', `5m') 41264562Sgshapiro_OPTION(Timeout.datablock, `confTO_DATABLOCK', `1h') 41364562Sgshapiro_OPTION(Timeout.datafinal, `confTO_DATAFINAL', `1h') 41464562Sgshapiro_OPTION(Timeout.rset, `confTO_RSET', `5m') 41564562Sgshapiro_OPTION(Timeout.quit, `confTO_QUIT', `2m') 41664562Sgshapiro_OPTION(Timeout.misc, `confTO_MISC', `2m') 41764562Sgshapiro_OPTION(Timeout.command, `confTO_COMMAND', `1h') 41864562Sgshapiro_OPTION(Timeout.ident, `confTO_IDENT', `5s') 41964562Sgshapiro_OPTION(Timeout.fileopen, `confTO_FILEOPEN', `60s') 42064562Sgshapiro_OPTION(Timeout.control, `confTO_CONTROL', `2m') 42164562Sgshapiro_OPTION(Timeout.queuereturn, `confTO_QUEUERETURN', `5d') 42264562Sgshapiro_OPTION(Timeout.queuereturn.normal, `confTO_QUEUERETURN_NORMAL', `5d') 42364562Sgshapiro_OPTION(Timeout.queuereturn.urgent, `confTO_QUEUERETURN_URGENT', `2d') 42464562Sgshapiro_OPTION(Timeout.queuereturn.non-urgent, `confTO_QUEUERETURN_NONURGENT', `7d') 42564562Sgshapiro_OPTION(Timeout.queuewarn, `confTO_QUEUEWARN', `4h') 42664562Sgshapiro_OPTION(Timeout.queuewarn.normal, `confTO_QUEUEWARN_NORMAL', `4h') 42764562Sgshapiro_OPTION(Timeout.queuewarn.urgent, `confTO_QUEUEWARN_URGENT', `1h') 42864562Sgshapiro_OPTION(Timeout.queuewarn.non-urgent, `confTO_QUEUEWARN_NONURGENT', `12h') 42964562Sgshapiro_OPTION(Timeout.hoststatus, `confTO_HOSTSTATUS', `30m') 43064562Sgshapiro_OPTION(Timeout.resolver.retrans, `confTO_RESOLVER_RETRANS', `5s') 43164562Sgshapiro_OPTION(Timeout.resolver.retrans.first, `confTO_RESOLVER_RETRANS_FIRST', `5s') 43264562Sgshapiro_OPTION(Timeout.resolver.retrans.normal, `confTO_RESOLVER_RETRANS_NORMAL', `5s') 43364562Sgshapiro_OPTION(Timeout.resolver.retry, `confTO_RESOLVER_RETRY', `4') 43464562Sgshapiro_OPTION(Timeout.resolver.retry.first, `confTO_RESOLVER_RETRY_FIRST', `4') 43564562Sgshapiro_OPTION(Timeout.resolver.retry.normal, `confTO_RESOLVER_RETRY_NORMAL', `4') 43690792Sgshapiro_OPTION(Timeout.lhlo, `confTO_LHLO', `2m') 43790792Sgshapiro_OPTION(Timeout.auth, `confTO_AUTH', `10m') 43890792Sgshapiro_OPTION(Timeout.starttls, `confTO_STARTTLS', `1h') 43938032Speter 44090792Sgshapiro# time for DeliverBy; extension disabled if less than 0 44190792Sgshapiro_OPTION(DeliverByMin, `confDELIVER_BY_MIN', `0') 44290792Sgshapiro 44338032Speter# should we not prune routes in route-addr syntax addresses? 44464562Sgshapiro_OPTION(DontPruneRoutes, `confDONT_PRUNE_ROUTES', `False') 44538032Speter 44638032Speter# queue up everything before forking? 44764562Sgshapiro_OPTION(SuperSafe, `confSAFE_QUEUE', `True') 44838032Speter 44938032Speter# status file 45064562SgshapiroO StatusFile=ifdef(`STATUS_FILE', `STATUS_FILE', `MAIL_SETTINGS_DIR`'statistics') 45138032Speter 45238032Speter# time zone handling: 45338032Speter# if undefined, use system default 45438032Speter# if defined but null, use TZ envariable passed in 45538032Speter# if defined and non-null, use that info 45638032Speterifelse(confTIME_ZONE, `USE_SYSTEM', `#O TimeZoneSpec=', 45738032Speter confTIME_ZONE, `USE_TZ', `O TimeZoneSpec=', 45838032Speter `O TimeZoneSpec=confTIME_ZONE') 45938032Speter 46038032Speter# default UID (can be username or userid:groupid) 46164562Sgshapiro_OPTION(DefaultUser, `confDEF_USER_ID', `mailnull') 46238032Speter 46338032Speter# list of locations of user database file (null means no lookup) 46464562Sgshapiro_OPTION(UserDatabaseSpec, `confUSERDB_SPEC', `MAIL_SETTINGS_DIR`'userdb') 46538032Speter 46638032Speter# fallback MX host 46764562Sgshapiro_OPTION(FallbackMXhost, `confFALLBACK_MX', `fall.back.host.net') 46838032Speter 46938032Speter# if we are the best MX host for a site, try it directly instead of config err 47064562Sgshapiro_OPTION(TryNullMXList, `confTRY_NULL_MX_LIST', `False') 47138032Speter 47238032Speter# load average at which we just queue messages 47364562Sgshapiro_OPTION(QueueLA, `confQUEUE_LA', `8') 47438032Speter 47538032Speter# load average at which we refuse connections 47664562Sgshapiro_OPTION(RefuseLA, `confREFUSE_LA', `12') 47738032Speter 47890792Sgshapiro# load average at which we delay connections; 0 means no limit 47990792Sgshapiro_OPTION(DelayLA, `confDELAY_LA', `0') 48090792Sgshapiro 48138032Speter# maximum number of children we allow at one time 48264562Sgshapiro_OPTION(MaxDaemonChildren, `confMAX_DAEMON_CHILDREN', `12') 48338032Speter 48438032Speter# maximum number of new connections per second 48571345Sgshapiro_OPTION(ConnectionRateThrottle, `confCONNECTION_RATE_THROTTLE', `0') 48638032Speter 48738032Speter# work recipient factor 48864562Sgshapiro_OPTION(RecipientFactor, `confWORK_RECIPIENT_FACTOR', `30000') 48938032Speter 49038032Speter# deliver each queued job in a separate process? 49164562Sgshapiro_OPTION(ForkEachJob, `confSEPARATE_PROC', `False') 49238032Speter 49338032Speter# work class factor 49464562Sgshapiro_OPTION(ClassFactor, `confWORK_CLASS_FACTOR', `1800') 49538032Speter 49638032Speter# work time factor 49764562Sgshapiro_OPTION(RetryFactor, `confWORK_TIME_FACTOR', `90000') 49838032Speter 49938032Speter# default character set 50064562Sgshapiro_OPTION(DefaultCharSet, `confDEF_CHAR_SET', `iso-8859-1') 50138032Speter 50290792Sgshapiro# service switch file (name hardwired on Solaris, Ultrix, OSF/1, others) 50364562Sgshapiro_OPTION(ServiceSwitchFile, `confSERVICE_SWITCH_FILE', `MAIL_SETTINGS_DIR`'service.switch') 50438032Speter 50538032Speter# hosts file (normally /etc/hosts) 50664562Sgshapiro_OPTION(HostsFile, `confHOSTS_FILE', `/etc/hosts') 50738032Speter 50838032Speter# dialup line delay on connection failure 50964562Sgshapiro_OPTION(DialDelay, `confDIAL_DELAY', `10s') 51038032Speter 51138032Speter# action to take if there are no recipients in the message 51264562Sgshapiro_OPTION(NoRecipientAction, `confNO_RCPT_ACTION', `add-to-undisclosed') 51338032Speter 51438032Speter# chrooted environment for writing to files 51564562Sgshapiro_OPTION(SafeFileEnvironment, `confSAFE_FILE_ENV', `/arch') 51638032Speter 51738032Speter# are colons OK in addresses? 51864562Sgshapiro_OPTION(ColonOkInAddr, `confCOLON_OK_IN_ADDR', `True') 51938032Speter 52038032Speter# shall I avoid expanding CNAMEs (violates protocols)? 52164562Sgshapiro_OPTION(DontExpandCnames, `confDONT_EXPAND_CNAMES', `False') 52238032Speter 52338032Speter# SMTP initial login message (old $e macro) 52464562Sgshapiro_OPTION(SmtpGreetingMessage, `confSMTP_LOGIN_MSG', `$j Sendmail $v ready at $b') 52538032Speter 52638032Speter# UNIX initial From header format (old $l macro) 52764562Sgshapiro_OPTION(UnixFromLine, `confFROM_LINE', `From $g $d') 52838032Speter 52938032Speter# From: lines that have embedded newlines are unwrapped onto one line 53064562Sgshapiro_OPTION(SingleLineFromHeader, `confSINGLE_LINE_FROM_HEADER', `False') 53138032Speter 53238032Speter# Allow HELO SMTP command that does not `include' a host name 53364562Sgshapiro_OPTION(AllowBogusHELO, `confALLOW_BOGUS_HELO', `False') 53438032Speter 53538032Speter# Characters to be quoted in a full name phrase (@,;:\()[] are automatic) 53664562Sgshapiro_OPTION(MustQuoteChars, `confMUST_QUOTE_CHARS', `.') 53738032Speter 53838032Speter# delimiter (operator) characters (old $o macro) 53964562Sgshapiro_OPTION(OperatorChars, `confOPERATORS', `.:@[]') 54038032Speter 54138032Speter# shall I avoid calling initgroups(3) because of high NIS costs? 54264562Sgshapiro_OPTION(DontInitGroups, `confDONT_INIT_GROUPS', `False') 54338032Speter 54438032Speter# are group-writable `:include:' and .forward files (un)trustworthy? 54590792Sgshapiro# True (the default) means they are not trustworthy. 54664562Sgshapiro_OPTION(UnsafeGroupWrites, `confUNSAFE_GROUP_WRITES', `True') 54790792Sgshapiroifdef(`confUNSAFE_GROUP_WRITES', 54890792Sgshapiro`errprint(`WARNING: confUNSAFE_GROUP_WRITES is deprecated; use confDONT_BLAME_SENDMAIL. 54990792Sgshapiro')') 55038032Speter 55138032Speter# where do errors that occur when sending errors get sent? 55264562Sgshapiro_OPTION(DoubleBounceAddress, `confDOUBLE_BOUNCE_ADDRESS', `postmaster') 55338032Speter 55464562Sgshapiro# where to save bounces if all else fails 55564562Sgshapiro_OPTION(DeadLetterDrop, `confDEAD_LETTER_DROP', `/var/tmp/dead.letter') 55664562Sgshapiro 55738032Speter# what user id do we assume for the majority of the processing? 55864562Sgshapiro_OPTION(RunAsUser, `confRUN_AS_USER', `sendmail') 55938032Speter 56038032Speter# maximum number of recipients per SMTP envelope 56164562Sgshapiro_OPTION(MaxRecipientsPerMessage, `confMAX_RCPTS_PER_MESSAGE', `100') 56238032Speter 56390792Sgshapiro# limit the rate recipients per SMTP envelope are accepted 56490792Sgshapiro# once the threshold number of recipients have been rejected 56590792Sgshapiro_OPTION(BadRcptThrottle, `confBAD_RCPT_THROTTLE', `20') 56690792Sgshapiro 56738032Speter# shall we get local names from our installed interfaces? 56864562Sgshapiro_OPTION(DontProbeInterfaces, `confDONT_PROBE_INTERFACES', `False') 56938032Speter 57064562Sgshapiro# Return-Receipt-To: header implies DSN request 57164562Sgshapiro_OPTION(RrtImpliesDsn, `confRRT_IMPLIES_DSN', `False') 57264562Sgshapiro 57364562Sgshapiro# override connection address (for testing) 57464562Sgshapiro_OPTION(ConnectOnlyTo, `confCONNECT_ONLY_TO', `0.0.0.0') 57564562Sgshapiro 57664562Sgshapiro# Trusted user for file ownership and starting the daemon 57764562Sgshapiro_OPTION(TrustedUser, `confTRUSTED_USER', `root') 57864562Sgshapiro 57964562Sgshapiro# Control socket for daemon management 58064562Sgshapiro_OPTION(ControlSocketName, `confCONTROL_SOCKET_NAME', `/var/spool/mqueue/.control') 58164562Sgshapiro 58264562Sgshapiro# Maximum MIME header length to protect MUAs 58364562Sgshapiro_OPTION(MaxMimeHeaderLength, `confMAX_MIME_HEADER_LENGTH', `0/0') 58464562Sgshapiro 58564562Sgshapiro# Maximum length of the sum of all headers 58664562Sgshapiro_OPTION(MaxHeadersLength, `confMAX_HEADERS_LENGTH', `32768') 58764562Sgshapiro 58864562Sgshapiro# Maximum depth of alias recursion 58964562Sgshapiro_OPTION(MaxAliasRecursion, `confMAX_ALIAS_RECURSION', `10') 59064562Sgshapiro 59164562Sgshapiro# location of pid file 59264562Sgshapiro_OPTION(PidFile, `confPID_FILE', `/var/run/sendmail.pid') 59364562Sgshapiro 59464562Sgshapiro# Prefix string for the process title shown on 'ps' listings 59564562Sgshapiro_OPTION(ProcessTitlePrefix, `confPROCESS_TITLE_PREFIX', `prefix') 59664562Sgshapiro 59764562Sgshapiro# Data file (df) memory-buffer file maximum size 59864562Sgshapiro_OPTION(DataFileBufferSize, `confDF_BUFFER_SIZE', `4096') 59964562Sgshapiro 60064562Sgshapiro# Transcript file (xf) memory-buffer file maximum size 60164562Sgshapiro_OPTION(XscriptFileBufferSize, `confXF_BUFFER_SIZE', `4096') 60264562Sgshapiro 60390792Sgshapiro# lookup type to find information about local mailboxes 60490792Sgshapiro_OPTION(MailboxDatabase, `confMAILBOX_DATABASE', `pw') 60590792Sgshapiro 60664562Sgshapiro# list of authentication mechanisms 60790792Sgshapiro_OPTION(AuthMechanisms, `confAUTH_MECHANISMS', `EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5') 60864562Sgshapiro 60964562Sgshapiro# default authentication information for outgoing connections 61064562Sgshapiro_OPTION(DefaultAuthInfo, `confDEF_AUTH_INFO', `MAIL_SETTINGS_DIR`'default-auth-info') 61164562Sgshapiro 61264562Sgshapiro# SMTP AUTH flags 61364562Sgshapiro_OPTION(AuthOptions, `confAUTH_OPTIONS', `') 61464562Sgshapiro 61590792Sgshapiro# SMTP AUTH maximum encryption strength 61690792Sgshapiro_OPTION(AuthMaxBits, `confAUTH_MAX_BITS', `') 61790792Sgshapiro 61890792Sgshapiro# SMTP STARTTLS server options 61990792Sgshapiro_OPTION(TLSSrvOptions, `confTLS_SRV_OPTIONS', `') 62090792Sgshapiro 62164562Sgshapiro# Input mail filters 62264562Sgshapiro_OPTION(InputMailFilters, `confINPUT_MAIL_FILTERS', `') 62364562Sgshapiro 62490792Sgshapiroifdef(`confINPUT_MAIL_FILTERS', `dnl 62564562Sgshapiro# Milter options 62690792Sgshapiro_OPTION(Milter.LogLevel, `confMILTER_LOG_LEVEL', `') 62764562Sgshapiro_OPTION(Milter.macros.connect, `confMILTER_MACROS_CONNECT', `') 62864562Sgshapiro_OPTION(Milter.macros.helo, `confMILTER_MACROS_HELO', `') 62964562Sgshapiro_OPTION(Milter.macros.envfrom, `confMILTER_MACROS_ENVFROM', `') 63064562Sgshapiro_OPTION(Milter.macros.envrcpt, `confMILTER_MACROS_ENVRCPT', `')') 63164562Sgshapiro 63264562Sgshapiro# CA directory 63364562Sgshapiro_OPTION(CACERTPath, `confCACERT_PATH', `') 63464562Sgshapiro# CA file 63564562Sgshapiro_OPTION(CACERTFile, `confCACERT', `') 63664562Sgshapiro# Server Cert 63764562Sgshapiro_OPTION(ServerCertFile, `confSERVER_CERT', `') 63864562Sgshapiro# Server private key 63964562Sgshapiro_OPTION(ServerKeyFile, `confSERVER_KEY', `') 64064562Sgshapiro# Client Cert 64164562Sgshapiro_OPTION(ClientCertFile, `confCLIENT_CERT', `') 64264562Sgshapiro# Client private key 64364562Sgshapiro_OPTION(ClientKeyFile, `confCLIENT_KEY', `') 64464562Sgshapiro# DHParameters (only required if DSA/DH is used) 64564562Sgshapiro_OPTION(DHParameters, `confDH_PARAMETERS', `') 64664562Sgshapiro# Random data source (required for systems without /dev/urandom under OpenSSL) 64764562Sgshapiro_OPTION(RandFile, `confRAND_FILE', `') 64864562Sgshapiro 64990792Sgshapiro############################ 65090792Sgshapiro`# QUEUE GROUP DEFINITIONS #' 65190792Sgshapiro############################ 65290792Sgshapiro_QUEUE_GROUP_ 65342575Speter 65438032Speter########################### 65538032Speter# Message precedences # 65638032Speter########################### 65738032Speter 65838032SpeterPfirst-class=0 65938032SpeterPspecial-delivery=100 66038032SpeterPlist=-30 66138032SpeterPbulk=-60 66238032SpeterPjunk=-100 66338032Speter 66438032Speter##################### 66538032Speter# Trusted users # 66638032Speter##################### 66738032Speter 66838032Speter# this is equivalent to setting class "t" 66964562Sgshapiroifdef(`_USE_CT_FILE_', `', `#')Ft`'ifdef(`confCT_FILE', confCT_FILE, `MAIL_SETTINGS_DIR`'trusted-users') 67038032SpeterTroot 67138032SpeterTdaemon 67238032Speterifdef(`_NO_UUCP_', `dnl', `Tuucp') 67338032Speterifdef(`confTRUSTED_USERS', `T`'confTRUSTED_USERS', `dnl') 67438032Speter 67538032Speter######################### 67638032Speter# Format of headers # 67738032Speter######################### 67838032Speter 67938032Speterifdef(`confFROM_HEADER',, `define(`confFROM_HEADER', `$?x$x <$g>$|$g$.')')dnl 68038032SpeterH?P?Return-Path: <$g> 68138032SpeterHReceived: confRECEIVED_HEADER 68238032SpeterH?D?Resent-Date: $a 68338032SpeterH?D?Date: $a 68438032SpeterH?F?Resent-From: confFROM_HEADER 68538032SpeterH?F?From: confFROM_HEADER 68638032SpeterH?x?Full-Name: $x 68738032Speter# HPosted-Date: $a 68838032Speter# H?l?Received-Date: $b 68938032SpeterH?M?Resent-Message-Id: <$t.$i@$j> 69038032SpeterH?M?Message-Id: <$t.$i@$j> 69164562Sgshapiro 69238032Speter# 69338032Speter###################################################################### 69438032Speter###################################################################### 69538032Speter##### 69638032Speter##### REWRITING RULES 69738032Speter##### 69838032Speter###################################################################### 69938032Speter###################################################################### 70038032Speter 70138032Speter############################################ 70238032Speter### Ruleset 3 -- Name Canonicalization ### 70338032Speter############################################ 70464562SgshapiroScanonify=3 70538032Speter 70638032Speter# handle null input (translate to <@> special case) 70738032SpeterR$@ $@ <@> 70838032Speter 70938032Speter# strip group: syntax (not inside angle brackets!) and trailing semicolon 71038032SpeterR$* $: $1 <@> mark addresses 71138032SpeterR$* < $* > $* <@> $: $1 < $2 > $3 unmark <addr> 71238032SpeterR@ $* <@> $: @ $1 unmark @host:... 71390792SgshapiroR$* [ IPv6 : $+ ] <@> $: $1 [ IPv6 : $2 ] unmark IPv6 addr 71438032SpeterR$* :: $* <@> $: $1 :: $2 unmark node::addr 71538032SpeterR:`include': $* <@> $: :`include': $1 unmark :`include':... 71638032SpeterR$* : $* [ $* ] $: $1 : $2 [ $3 ] <@> remark if leading colon 71738032SpeterR$* : $* <@> $: $2 strip colon if marked 71838032SpeterR$* <@> $: $1 unmark 71938032SpeterR$* ; $1 strip trailing semi 72071345SgshapiroR$* < $+ :; > $* $@ $2 :; <@> catch <list:;> 72138032SpeterR$* < $* ; > $1 < $2 > bogus bracketed semi 72238032Speter 72338032Speter# null input now results from list:; syntax 72438032SpeterR$@ $@ :; <@> 72538032Speter 72638032Speter# strip angle brackets -- note RFC733 heuristic to get innermost item 72738032SpeterR$* $: < $1 > housekeeping <> 72838032SpeterR$+ < $* > < $2 > strip excess on left 72938032SpeterR< $* > $+ < $1 > strip excess on right 73038032SpeterR<> $@ < @ > MAIL FROM:<> case 73138032SpeterR< $+ > $: $1 remove housekeeping <> 73238032Speter 73364562Sgshapiroifdef(`_USE_DEPRECATED_ROUTE_ADDR_',`dnl 73438032Speter# make sure <@a,@b,@c:user@d> syntax is easy to parse -- undone later 73538032SpeterR@ $+ , $+ @ $1 : $2 change all "," to ":" 73638032Speter 73738032Speter# localize and dispose of route-based addresses 73890792Sgshapirodnl XXX: IPv6 colon conflict 73990792Sgshapiroifdef(`NO_NETINET6', `dnl', 74090792Sgshapiro`R@ [$+] : $+ $@ $>Canonify2 < @ [$1] > : $2 handle <route-addr>') 74164562SgshapiroR@ $+ : $+ $@ $>Canonify2 < @$1 > : $2 handle <route-addr> 74264562Sgshapirodnl',`dnl 74364562Sgshapiro# strip route address <@a,@b,@c:user@d> -> <user@d> 74464562SgshapiroR@ $+ , $+ $2 74590792Sgshapiroifdef(`NO_NETINET6', `dnl', 74690792Sgshapiro`R@ [ $* ] : $+ $2') 74764562SgshapiroR@ $+ : $+ $2 74864562Sgshapirodnl') 74938032Speter 75038032Speter# find focus for list syntax 75164562SgshapiroR $+ : $* ; @ $+ $@ $>Canonify2 $1 : $2 ; < @ $3 > list syntax 75238032SpeterR $+ : $* ; $@ $1 : $2; list syntax 75338032Speter 75438032Speter# find focus for @ syntax addresses 75538032SpeterR$+ @ $+ $: $1 < @ $2 > focus on domain 75638032SpeterR$+ < $+ @ $+ > $1 $2 < @ $3 > move gaze right 75764562SgshapiroR$+ < @ $+ > $@ $>Canonify2 $1 < @ $2 > already canonical 75838032Speter 75990792Sgshapirodnl This is flagged as an error in S0; no need to silently fix it here. 76090792Sgshapirodnl # do some sanity checking 76190792Sgshapirodnl R$* < @ $~[ $* : $* > $* $1 < @ $2 $3 > $4 nix colons in addrs 76238032Speter 76338032Speterifdef(`_NO_UUCP_', `dnl', 76438032Speter`# convert old-style addresses to a domain-based address 76564562SgshapiroR$- ! $+ $@ $>Canonify2 $2 < @ $1 .UUCP > resolve uucp names 76664562SgshapiroR$+ . $- ! $+ $@ $>Canonify2 $3 < @ $1 . $2 > domain uucps 76764562SgshapiroR$+ ! $+ $@ $>Canonify2 $2 < @ $1 .UUCP > uucp subdomains 76838032Speter') 76938032Speterifdef(`_USE_DECNET_SYNTAX_', 77038032Speter`# convert node::user addresses into a domain-based address 77164562SgshapiroR$- :: $+ $@ $>Canonify2 $2 < @ $1 .DECNET > resolve DECnet names 77264562SgshapiroR$- . $- :: $+ $@ $>Canonify2 $3 < @ $1.$2 .DECNET > numeric DECnet addr 77338032Speter', 77438032Speter `dnl') 77538032Speter# if we have % signs, take the rightmost one 77638032SpeterR$* % $* $1 @ $2 First make them all @s. 77738032SpeterR$* @ $* @ $* $1 % $2 @ $3 Undo all but the last. 77864562SgshapiroR$* @ $* $@ $>Canonify2 $1 < @ $2 > Insert < > and finish 77938032Speter 78038032Speter# else we must be a local name 78164562SgshapiroR$* $@ $>Canonify2 $1 78238032Speter 78338032Speter 78438032Speter################################################ 78538032Speter### Ruleset 96 -- bottom half of ruleset 3 ### 78638032Speter################################################ 78738032Speter 78864562SgshapiroSCanonify2=96 78938032Speter 79038032Speter# handle special cases for local names 79138032SpeterR$* < @ localhost > $* $: $1 < @ $j . > $2 no domain at all 79238032SpeterR$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain 79338032Speterifdef(`_NO_UUCP_', `dnl', 79438032Speter`R$* < @ localhost . UUCP > $* $: $1 < @ $j . > $2 .UUCP domain') 79564562Sgshapiro 79690792Sgshapiro# check for IPv4/IPv6 domain literal 79790792SgshapiroR$* < @ [ $+ ] > $* $: $1 < @@ [ $2 ] > $3 mark [addr] 79838032SpeterR$* < @@ $=w > $* $: $1 < @ $j . > $3 self-literal 79938032SpeterR$* < @@ $+ > $* $@ $1 < @ $2 > $3 canon IP addr 80038032Speter 80164562Sgshapiroifdef(`_DOMAIN_TABLE_', `dnl 80238032Speter# look up domains in the domain table 80338032SpeterR$* < @ $+ > $* $: $1 < @ $(domaintable $2 $) > $3', `dnl') 80438032Speter 80564562Sgshapiroundivert(2)dnl LOCAL_RULE_3 80638032Speter 80764562Sgshapiroifdef(`_BITDOMAIN_TABLE_', `dnl 80838032Speter# handle BITNET mapping 80938032SpeterR$* < @ $+ .BITNET > $* $: $1 < @ $(bitdomain $2 $: $2.BITNET $) > $3', `dnl') 81038032Speter 81164562Sgshapiroifdef(`_UUDOMAIN_TABLE_', `dnl 81238032Speter# handle UUCP mapping 81338032SpeterR$* < @ $+ .UUCP > $* $: $1 < @ $(uudomain $2 $: $2.UUCP $) > $3', `dnl') 81438032Speter 81538032Speterifdef(`_NO_UUCP_', `dnl', 81638032Speter`ifdef(`UUCP_RELAY', 81738032Speter`# pass UUCP addresses straight through 81838032SpeterR$* < @ $+ . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', 81938032Speter`# if really UUCP, handle it immediately 82038032Speterifdef(`_CLASS_U_', 82138032Speter`R$* < @ $=U . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 82238032Speterifdef(`_CLASS_V_', 82338032Speter`R$* < @ $=V . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 82438032Speterifdef(`_CLASS_W_', 82538032Speter`R$* < @ $=W . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 82638032Speterifdef(`_CLASS_X_', 82738032Speter`R$* < @ $=X . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 82838032Speterifdef(`_CLASS_Y_', 82938032Speter`R$* < @ $=Y . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 83038032Speter 83138032Speterifdef(`_NO_CANONIFY_', `dnl', `dnl 83238032Speter# try UUCP traffic as a local address 83338032SpeterR$* < @ $+ . UUCP > $* $: $1 < @ $[ $2 $] . UUCP . > $3 83438032SpeterR$* < @ $+ . . UUCP . > $* $@ $1 < @ $2 . > $3') 83538032Speter')') 83664562Sgshapiro# hostnames ending in class P are always canonical 83764562SgshapiroR$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4 83864562Sgshapirodnl apply the next rule only for hostnames not in class P 83964562Sgshapirodnl this even works for phrases in class P since . is in class P 84064562Sgshapirodnl which daemon flags are set? 84164562SgshapiroR$* < @ $* $~P > $* $: $&{daemon_flags} $| $1 < @ $2 $3 > $4 84264562Sgshapirodnl the other rules in this section only apply if the hostname 84364562Sgshapirodnl does not end in class P hence no further checks are done here 84464562Sgshapirodnl if this ever changes make sure the lookups are "protected" again! 84564562Sgshapiroifdef(`_NO_CANONIFY_', `dnl 84664562Sgshapirodnl do not canonify unless: 84764562Sgshapirodnl domain ends in class {Canonify} (this does not work if the intersection 84864562Sgshapirodnl with class P is non-empty) 84964562Sgshapirodnl or {daemon_flags} has c set 85064562Sgshapiro# pass to name server to make hostname canonical if in class {Canonify} 85164562SgshapiroR$* $| $* < @ $* $={Canonify} > $* $: $2 < @ $[ $3 $4 $] > $5 85264562Sgshapiro# pass to name server to make hostname canonical if requested 85364562SgshapiroR$* c $* $| $* < @ $* > $* $: $3 < @ $[ $4 $] > $5 85464562Sgshapirodnl trailing dot? -> do not apply _CANONIFY_HOSTS_ 85564562SgshapiroR$* $| $* < @ $+ . > $* $: $2 < @ $3 . > $4 85664562Sgshapiro# add a trailing dot to qualified hostnames so other rules will work 85764562SgshapiroR$* $| $* < @ $+.$+ > $* $: $2 < @ $3.$4 . > $5 85864562Sgshapiroifdef(`_CANONIFY_HOSTS_', `dnl 85964562Sgshapirodnl this should only apply to unqualified hostnames 86064562Sgshapirodnl but if a valid character inside an unqualified hostname is an OperatorChar 86164562Sgshapirodnl then $- does not work. 86264562Sgshapiro# lookup unqualified hostnames 86390792SgshapiroR$* $| $* < @ $* > $* $: $2 < @ $[ $3 $] > $4', `dnl')', `dnl 86464562Sgshapirodnl _NO_CANONIFY_ is not set: canonify unless: 86564562Sgshapirodnl {daemon_flags} contains CC (do not canonify) 86671345Sgshapirodnl but add a trailing dot to qualified hostnames so other rules will work 86771345Sgshapirodnl should we do this for every hostname: even unqualified? 86871345SgshapiroR$* CC $* $| $* < @ $+.$+ > $* $: $3 < @ $4.$5 . > $6 86964562SgshapiroR$* CC $* $| $* $: $3 87090792Sgshapiroifdef(`_FFR_NOCANONIFY_HEADERS', `dnl 87190792Sgshapiro# do not canonify header addresses 87290792SgshapiroR$* $| $* < @ $* $~P > $* $: $&{addr_type} $| $2 < @ $3 $4 > $5 87390792SgshapiroR$* h $* $| $* < @ $+.$+ > $* $: $3 < @ $4.$5 . > $6 87490792SgshapiroR$* h $* $| $* $: $3', `dnl') 87538032Speter# pass to name server to make hostname canonical 87664562SgshapiroR$* $| $* < @ $* > $* $: $2 < @ $[ $3 $] > $4') 87764562Sgshapirodnl remove {daemon_flags} for other cases 87864562SgshapiroR$* $| $* $: $2 87938032Speter 88038032Speter# local host aliases and pseudo-domains are always canonical 88138032SpeterR$* < @ $=w > $* $: $1 < @ $2 . > $3 88238032Speterifdef(`_MASQUERADE_ENTIRE_DOMAIN_', 88338032Speter`R$* < @ $* $=M > $* $: $1 < @ $2 $3 . > $4', 88438032Speter`R$* < @ $=M > $* $: $1 < @ $2 . > $3') 88564562Sgshapiroifdef(`_VIRTUSER_TABLE_', `dnl 88664562Sgshapirodnl virtual hosts are also canonical 88764562Sgshapiroifdef(`_VIRTUSER_ENTIRE_DOMAIN_', 88864562Sgshapiro`R$* < @ $* $={VirtHost} > $* $: $1 < @ $2 $3 . > $4', 88964562Sgshapiro`R$* < @ $={VirtHost} > $* $: $1 < @ $2 . > $3')', 89064562Sgshapiro`dnl') 89190792Sgshapiroifdef(`_GENERICS_TABLE_', `dnl 89290792Sgshapirodnl hosts for genericstable are also canonical 89390792Sgshapiroifdef(`_GENERICS_ENTIRE_DOMAIN_', 89490792Sgshapiro`R$* < @ $* $=G > $* $: $1 < @ $2 $3 . > $4', 89590792Sgshapiro`R$* < @ $=G > $* $: $1 < @ $2 . > $3')', 89690792Sgshapiro`dnl') 89764562Sgshapirodnl remove superfluous dots (maybe repeatedly) which may have been added 89864562Sgshapirodnl by one of the rules before 89938032SpeterR$* < @ $* . . > $* $1 < @ $2 . > $3 90038032Speter 90138032Speter 90238032Speter################################################## 90338032Speter### Ruleset 4 -- Final Output Post-rewriting ### 90438032Speter################################################## 90564562SgshapiroSfinal=4 90638032Speter 90771345SgshapiroR$+ :; <@> $@ $1 : handle <list:;> 90838032SpeterR$* <@> $@ handle <> and list:; 90938032Speter 91038032Speter# strip trailing dot off possibly canonical name 91138032SpeterR$* < @ $+ . > $* $1 < @ $2 > $3 91238032Speter 91364562Sgshapiro# eliminate internal code 91438032SpeterR$* < @ *LOCAL* > $* $1 < @ $j > $2 91538032Speter 91638032Speter# externalize local domain info 91738032SpeterR$* < $+ > $* $1 $2 $3 defocus 91838032SpeterR@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 <route-addr> canonical 91938032SpeterR@ $* $@ @ $1 ... and exit 92038032Speter 92138032Speterifdef(`_NO_UUCP_', `dnl', 92238032Speter`# UUCP must always be presented in old form 92338032SpeterR$+ @ $- . UUCP $2!$1 u@h.UUCP => h!u') 92438032Speter 92538032Speterifdef(`_USE_DECNET_SYNTAX_', 92638032Speter`# put DECnet back in :: form 92738032SpeterR$+ @ $+ . DECNET $2 :: $1 u@h.DECNET => h::u', 92838032Speter `dnl') 92938032Speter# delete duplicate local names 93038032SpeterR$+ % $=w @ $=w $1 @ $2 u%host@host => u@host 93138032Speter 93238032Speter 93338032Speter 93438032Speter############################################################## 93538032Speter### Ruleset 97 -- recanonicalize and call ruleset zero ### 93638032Speter### (used for recursive calls) ### 93738032Speter############################################################## 93838032Speter 93964562SgshapiroSRecurse=97 94064562SgshapiroR$* $: $>canonify $1 94164562SgshapiroR$* $@ $>parse $1 94238032Speter 94338032Speter 94438032Speter###################################### 94538032Speter### Ruleset 0 -- Parse Address ### 94638032Speter###################################### 94738032Speter 94864562SgshapiroSparse=0 94938032Speter 95038032SpeterR$* $: $>Parse0 $1 initial parsing 95138032SpeterR<@> $#_LOCAL_ $: <@> special case error msgs 95264562SgshapiroR$* $: $>ParseLocal $1 handle local hacks 95338032SpeterR$* $: $>Parse1 $1 final parsing 95438032Speter 95538032Speter# 95638032Speter# Parse0 -- do initial syntax checking and eliminate local addresses. 95738032Speter# This should either return with the (possibly modified) input 95838032Speter# or return with a #error mailer. It should not return with a 95938032Speter# #mailer other than the #error mailer. 96038032Speter# 96138032Speter 96238032SpeterSParse0 96338032SpeterR<@> $@ <@> special case error msgs 96490792SgshapiroR$* : $* ; <@> $#error $@ 5.1.3 $: "_CODE553 List:; syntax illegal for recipient addresses" 96564562SgshapiroR@ <@ $* > < @ $1 > catch "@@host" bogosity 96690792SgshapiroR<@ $+> $#error $@ 5.1.3 $: "_CODE553 User address required" 96790792SgshapiroR$+ <@> $#error $@ 5.1.3 $: "_CODE553 Hostname required" 96838032SpeterR$* $: <> $1 96990792Sgshapirodnl allow tricks like [host1]:[host2] 97090792SgshapiroR<> $* < @ [ $* ] : $+ > $* $1 < @ [ $2 ] : $3 > $4 97190792SgshapiroR<> $* < @ [ $* ] , $+ > $* $1 < @ [ $2 ] , $3 > $4 97290792Sgshapirodnl but no a@[b]c 97390792SgshapiroR<> $* < @ [ $* ] $+ > $* $#error $@ 5.1.2 $: "_CODE553 Invalid address" 97490792SgshapiroR<> $* < @ [ $+ ] > $* $1 < @ [ $2 ] > $3 97590792SgshapiroR<> $* <$* : $* > $* $#error $@ 5.1.3 $: "_CODE553 Colon illegal in host name part" 97638032SpeterR<> $* $1 97790792SgshapiroR$* < @ . $* > $* $#error $@ 5.1.2 $: "_CODE553 Invalid host name" 97890792SgshapiroR$* < @ $* .. $* > $* $#error $@ 5.1.2 $: "_CODE553 Invalid host name" 97990792Sgshapirodnl no a@b@ 98090792SgshapiroR$* < @ $* @ > $* $#error $@ 5.1.2 $: "_CODE553 Invalid route address" 98190792Sgshapirodnl no a@b@c 98290792SgshapiroR$* @ $* < @ $* > $* $#error $@ 5.1.3 $: "_CODE553 Invalid route address" 98364562Sgshapirodnl comma only allowed before @; this check is not complete 98490792SgshapiroR$* , $~O $* $#error $@ 5.1.3 $: "_CODE553 Invalid route address" 98538032Speter 98690792Sgshapiroifdef(`_STRICT_RFC821_', `# more RFC 821 checks 98790792SgshapiroR$* . < @ $* > $* $#error $@ 5.1.2 $: "_CODE553 Local part must not end with a dot" 98890792SgshapiroR. $* < @ $* > $* $#error $@ 5.1.2 $: "_CODE553 Local part must not begin with a dot" 98990792Sgshapirodnl', `dnl') 99090792Sgshapiro 99138032Speter# now delete the local info -- note $=O to find characters that cause forwarding 99264562SgshapiroR$* < @ > $* $@ $>Parse0 $>canonify $1 user@ => user 99364562SgshapiroR< @ $=w . > : $* $@ $>Parse0 $>canonify $2 @here:... -> ... 99438032SpeterR$- < @ $=w . > $: $(dequote $1 $) < @ $2 . > dequote "foo"@here 99590792SgshapiroR< @ $+ > $#error $@ 5.1.3 $: "_CODE553 User address required" 99664562SgshapiroR$* $=O $* < @ $=w . > $@ $>Parse0 $>canonify $1 $2 $3 ...@here -> ... 99738032SpeterR$- $: $(dequote $1 $) < @ *LOCAL* > dequote "foo" 99890792SgshapiroR< @ *LOCAL* > $#error $@ 5.1.3 $: "_CODE553 User address required" 99938032SpeterR$* $=O $* < @ *LOCAL* > 100064562Sgshapiro $@ $>Parse0 $>canonify $1 $2 $3 ...@*LOCAL* -> ... 100138032SpeterR$* < @ *LOCAL* > $: $1 100238032Speter 100338032Speter# 100438032Speter# Parse1 -- the bottom half of ruleset 0. 100538032Speter# 100638032Speter 100738032SpeterSParse1 100864562Sgshapiroifdef(`_LDAP_ROUTING_', `dnl 100964562Sgshapiro# handle LDAP routing for hosts in $={LDAPRoute} 101090792SgshapiroR$+ < @ $={LDAPRoute} . > $: $>LDAPExpand <$1 < @ $2 . >> <$1 @ $2> <> 101190792SgshapiroR$+ < @ $={LDAPRouteEquiv} . > $: $>LDAPExpand <$1 < @ $2 . >> <$1 @ $M> <>', 101264562Sgshapiro`dnl') 101364562Sgshapiro 101438032Speterifdef(`_MAILER_smtp_', 101538032Speter`# handle numeric address spec 101664562Sgshapirodnl there is no check whether this is really an IP number 101764562SgshapiroR$* < @ [ $+ ] > $* $: $>ParseLocal $1 < @ [ $2 ] > $3 numeric internet spec 101864562SgshapiroR$* < @ [ $+ ] > $* $1 < @ [ $2 ] : $S > $3 Add smart host to path 101990792SgshapiroR$* < @ [ $+ ] : > $* $#_SMTP_ $@ [$2] $: $1 < @ [$2] > $3 no smarthost: send 102064562SgshapiroR$* < @ [ $+ ] : $- : $*> $* $#$3 $@ $4 $: $1 < @ [$2] > $5 smarthost with mailer 102164562SgshapiroR$* < @ [ $+ ] : $+ > $* $#_SMTP_ $@ $3 $: $1 < @ [$2] > $4 smarthost without mailer', 102238032Speter `dnl') 102338032Speter 102464562Sgshapiroifdef(`_VIRTUSER_TABLE_', `dnl 102538032Speter# handle virtual users 102690792Sgshapiroifdef(`_VIRTUSER_STOP_ONE_LEVEL_RECURSION_',`dnl 102790792Sgshapirodnl this is not a documented option 102890792Sgshapirodnl it stops looping in virtusertable mapping if input and output 102990792Sgshapirodnl are identical, i.e., if address A is mapped to A. 103090792Sgshapirodnl it does not deal with multi-level recursion 103190792Sgshapiro# handle full domains in RHS of virtusertable 103290792SgshapiroR$+ < @ $+ > $: $(macro {RecipientAddress} $) $1 < @ $2 > 103390792SgshapiroR$+ < @ $+ > $: <?> $1 < @ $2 > $| $>final $1 < @ $2 > 103490792SgshapiroR<?> $+ $| $+ $: $1 $(macro {RecipientAddress} $@ $2 $) 103590792SgshapiroR<?> $+ $| $* $: $1', 103690792Sgshapiro`dnl') 103764562SgshapiroR$+ $: <!> $1 Mark for lookup 103890792Sgshapirodnl input: <!> local<@domain> 103964562Sgshapiroifdef(`_VIRTUSER_ENTIRE_DOMAIN_', 104064562Sgshapiro`R<!> $+ < @ $* $={VirtHost} . > $: < $(virtuser $1 @ $2 $3 $@ $1 $: @ $) > $1 < @ $2 $3 . >', 104164562Sgshapiro`R<!> $+ < @ $={VirtHost} . > $: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . >') 104290792Sgshapirodnl input: <result-of-lookup | @> local<@domain> | <!> local<@domain> 104364562SgshapiroR<!> $+ < @ $=w . > $: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . > 104490792Sgshapirodnl if <@> local<@domain>: no match but try lookup 104590792Sgshapirodnl user+detail: try user++@domain if detail not empty 104690792SgshapiroR<@> $+ + $+ < @ $* . > 104790792Sgshapiro $: < $(virtuser $1 + + @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 104890792Sgshapirodnl user+detail: try user+*@domain 104938032SpeterR<@> $+ + $* < @ $* . > 105090792Sgshapiro $: < $(virtuser $1 + * @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 105190792Sgshapirodnl user+detail: try user@domain 105238032SpeterR<@> $+ + $* < @ $* . > 105390792Sgshapiro $: < $(virtuser $1 @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 105464562Sgshapirodnl try default entry: @domain 105590792Sgshapirodnl ++@domain 105690792SgshapiroR<@> $+ + $+ < @ $+ . > $: < $(virtuser + + @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 105764562Sgshapirodnl +*@domain 105890792SgshapiroR<@> $+ + $* < @ $+ . > $: < $(virtuser + * @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 105964562Sgshapirodnl @domain if +detail exists 106090792SgshapiroR<@> $+ + $* < @ $+ . > $: < $(virtuser @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 106164562Sgshapirodnl without +detail (or no match) 106238032SpeterR<@> $+ < @ $+ . > $: < $(virtuser @ $2 $@ $1 $: @ $) > $1 < @ $2 . > 106390792Sgshapirodnl no match 106438032SpeterR<@> $+ $: $1 106590792Sgshapirodnl remove mark 106664562SgshapiroR<!> $+ $: $1 106764562SgshapiroR< error : $-.$-.$- : $+ > $* $#error $@ $1.$2.$3 $: $4 106838032SpeterR< error : $- $+ > $* $#error $@ $(dequote $1 $) $: $2 106990792Sgshapiroifdef(`_VIRTUSER_STOP_ONE_LEVEL_RECURSION_',`dnl 107090792Sgshapiro# check virtuser input address against output address, if same, skip recursion 107190792SgshapiroR< $+ > $+ < @ $+ > $: < $1 > $2 < @ $3 > $| $1 107290792Sgshapiro# it is the same: stop now 107390792SgshapiroR< $+ > $+ < @ $+ > $| $&{RecipientAddress} $: $>ParseLocal $>Parse0 $>canonify $1 107490792SgshapiroR< $+ > $+ < @ $+ > $| $* $: < $1 > $2 < @ $3 > 107590792Sgshapirodnl', `dnl') 107680785Sgshapirodnl this is not a documented option 107780785Sgshapirodnl it performs no looping at all for virtusertable 107877349Sgshapiroifdef(`_NO_VIRTUSER_RECURSION_', 107977349Sgshapiro`R< $+ > $+ < @ $+ > $: $>ParseLocal $>Parse0 $>canonify $1', 108077349Sgshapiro`R< $+ > $+ < @ $+ > $: $>Recurse $1') 108177349Sgshapirodnl', `dnl') 108238032Speter 108338032Speter# short circuit local delivery so forwarded email works 108438032Speterifdef(`_MAILER_usenet_', `dnl 108564562SgshapiroR$+ . USENET < @ $=w . > $#usenet $@ usenet $: $1 handle usenet specially', `dnl') 108666494Sgshapiro 108766494Sgshapiro 108838032Speterifdef(`_STICKY_LOCAL_DOMAIN_', 108938032Speter`R$+ < @ $=w . > $: < $H > $1 < @ $2 . > first try hub 109064562SgshapiroR< $+ > $+ < $+ > $>MailerToTriple < $1 > $2 < $3 > yep .... 109164562Sgshapirodnl $H empty (but @$=w.) 109238032SpeterR< > $+ + $* < $+ > $#_LOCAL_ $: $1 + $2 plussed name? 109338032SpeterR< > $+ < $+ > $#_LOCAL_ $: @ $1 nope, local address', 109464562Sgshapiro`R$=L < @ $=w . > $#_LOCAL_ $: @ $1 special local names 109538032SpeterR$+ < @ $=w . > $#_LOCAL_ $: $1 regular local name') 109638032Speter 109764562Sgshapiroifdef(`_MAILER_TABLE_', `dnl 109838032Speter# not local -- try mailer table lookup 109938032SpeterR$* <@ $+ > $* $: < $2 > $1 < @ $2 > $3 extract host name 110038032SpeterR< $+ . > $* $: < $1 > $2 strip trailing dot 110138032SpeterR< $+ > $* $: < $(mailertable $1 $) > $2 lookup 110264562Sgshapirodnl it is $~[ instead of $- to avoid matches on IPv6 addresses 110364562SgshapiroR< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 check -- resolved? 110464562SgshapiroR< $+ > $* $: $>Mailertable <$1> $2 try domain', 110538032Speter`dnl') 110664562Sgshapiroundivert(4)dnl UUCP rules from `MAILER(uucp)' 110738032Speter 110838032Speterifdef(`_NO_UUCP_', `dnl', 110938032Speter`# resolve remotely connected UUCP links (if any) 111038032Speterifdef(`_CLASS_V_', 111164562Sgshapiro`R$* < @ $=V . UUCP . > $* $: $>MailerToTriple < $V > $1 <@$2.UUCP.> $3', 111238032Speter `dnl') 111338032Speterifdef(`_CLASS_W_', 111464562Sgshapiro`R$* < @ $=W . UUCP . > $* $: $>MailerToTriple < $W > $1 <@$2.UUCP.> $3', 111538032Speter `dnl') 111638032Speterifdef(`_CLASS_X_', 111764562Sgshapiro`R$* < @ $=X . UUCP . > $* $: $>MailerToTriple < $X > $1 <@$2.UUCP.> $3', 111838032Speter `dnl')') 111938032Speter 112038032Speter# resolve fake top level domains by forwarding to other hosts 112138032Speterifdef(`BITNET_RELAY', 112264562Sgshapiro`R$*<@$+.BITNET.>$* $: $>MailerToTriple < $B > $1 <@$2.BITNET.> $3 user@host.BITNET', 112338032Speter `dnl') 112438032Speterifdef(`DECNET_RELAY', 112564562Sgshapiro`R$*<@$+.DECNET.>$* $: $>MailerToTriple < $C > $1 <@$2.DECNET.> $3 user@host.DECNET', 112638032Speter `dnl') 112738032Speterifdef(`_MAILER_pop_', 112838032Speter`R$+ < @ POP. > $#pop $: $1 user@POP', 112938032Speter `dnl') 113038032Speterifdef(`_MAILER_fax_', 113138032Speter`R$+ < @ $+ .FAX. > $#fax $@ $2 $: $1 user@host.FAX', 113238032Speter`ifdef(`FAX_RELAY', 113364562Sgshapiro`R$*<@$+.FAX.>$* $: $>MailerToTriple < $F > $1 <@$2.FAX.> $3 user@host.FAX', 113438032Speter `dnl')') 113538032Speter 113638032Speterifdef(`UUCP_RELAY', 113738032Speter`# forward non-local UUCP traffic to our UUCP relay 113864562SgshapiroR$*<@$*.UUCP.>$* $: $>MailerToTriple < $Y > $1 <@$2.UUCP.> $3 uucp mail', 113938032Speter`ifdef(`_MAILER_uucp_', 114038032Speter`# forward other UUCP traffic straight to UUCP 114138032SpeterR$* < @ $+ .UUCP. > $* $#_UUCP_ $@ $2 $: $1 < @ $2 .UUCP. > $3 user@host.UUCP', 114238032Speter `dnl')') 114338032Speterifdef(`_MAILER_usenet_', ` 114438032Speter# addresses sent to net.group.USENET will get forwarded to a newsgroup 114564562SgshapiroR$+ . USENET $#usenet $@ usenet $: $1', 114638032Speter `dnl') 114738032Speter 114838032Speterifdef(`_LOCAL_RULES_', 114938032Speter`# figure out what should stay in our local mail system 115038032Speterundivert(1)', `dnl') 115138032Speter 115238032Speter# pass names that still have a host to a smarthost (if defined) 115364562SgshapiroR$* < @ $* > $* $: $>MailerToTriple < $S > $1 < @ $2 > $3 glue on smarthost name 115438032Speter 115538032Speter# deal with other remote names 115638032Speterifdef(`_MAILER_smtp_', 115764562Sgshapiro`R$* < @$* > $* $#_SMTP_ $@ $2 $: $1 < @ $2 > $3 user@host.domain', 115890792Sgshapiro`R$* < @$* > $* $#error $@ 5.1.2 $: "_CODE553 Unrecognized host name " $2') 115938032Speter 116038032Speter# handle locally delivered names 116164562SgshapiroR$=L $#_LOCAL_ $: @ $1 special local names 116238032SpeterR$+ $#_LOCAL_ $: $1 regular local names 116338032Speter 116438032Speter########################################################################### 116538032Speter### Ruleset 5 -- special rewriting after aliases have been expanded ### 116638032Speter########################################################################### 116738032Speter 116864562SgshapiroSLocal_localaddr 116964562SgshapiroSlocaladdr=5 117064562SgshapiroR$+ $: $1 $| $>"Local_localaddr" $1 117190792SgshapiroR$+ $| $#ok $@ $1 no change 117264562SgshapiroR$+ $| $#$* $#$2 117364562SgshapiroR$+ $| $* $: $1 117438032Speter 117590792Sgshapiroifdef(`_PRESERVE_LUSER_HOST_', `dnl 117690792Sgshapiro# Preserve rcpt_host in {Host} 117790792SgshapiroR$+ $: $1 $| $&h $| $&{Host} check h and {Host} 117890792SgshapiroR$+ $| $| $: $(macro {Host} $@ $) $1 no h or {Host} 117990792SgshapiroR$+ $| $| $+ $: $1 h not set, {Host} set 118090792SgshapiroR$+ $| +$* $| $* $: $1 h is +detail, {Host} set 118195154SgshapiroR$+ $| $* @ $+ $| $* $: $(macro {Host} $@ @$3 $) $1 set {Host} to host in h 118290792SgshapiroR$+ $| $+ $| $* $: $(macro {Host} $@ @$2 $) $1 set {Host} to h 118390792Sgshapiro')dnl 118490792Sgshapiro 118590792Sgshapiroifdef(`_FFR_5_', `dnl 118666494Sgshapiro# Preserve host in a macro 118766494SgshapiroR$+ $: $(macro {LocalAddrHost} $) $1 118866494SgshapiroR$+ @ $+ $: $(macro {LocalAddrHost} $@ @ $2 $) $1') 118966494Sgshapiro 119090792Sgshapiroifdef(`_PRESERVE_LOCAL_PLUS_DETAIL_', `', `dnl 119138032Speter# deal with plussed users so aliases work nicely 119266494SgshapiroR$+ + * $#_LOCAL_ $@ $&h $: $1`'ifdef(`_FFR_5_', ` $&{LocalAddrHost}') 119366494SgshapiroR$+ + $* $#_LOCAL_ $@ + $2 $: $1 + *`'ifdef(`_FFR_5_', ` $&{LocalAddrHost}') 119466494Sgshapiro') 119538032Speter# prepend an empty "forward host" on the front 119638032SpeterR$+ $: <> $1 119738032Speter 119838032Speterifdef(`LUSER_RELAY', `dnl 119938032Speter# send unrecognized local users to a relay host 120090792Sgshapiroifdef(`_PRESERVE_LOCAL_PLUS_DETAIL_', `dnl 120166494SgshapiroR< > $+ + $* $: < ? $L > <+ $2> $(user $1 $) look up user+ 120266494SgshapiroR< > $+ $: < ? $L > < > $(user $1 $) look up user 120366494SgshapiroR< ? $* > < $* > $+ <> $: < > $3 $2 found; strip $L 120466494SgshapiroR< ? $* > < $* > $+ $: < $1 > $3 $2 not found', ` 120564562SgshapiroR< > $+ $: < $L > $(user $1 $) look up user 120690792SgshapiroR< $* > $+ <> $: < > $2 found; strip $L') 120790792Sgshapiroifdef(`_PRESERVE_LUSER_HOST_', `dnl 120890792SgshapiroR< $+ > $+ $: < $1 > $2 $&{Host}') 120990792Sgshapirodnl') 121038032Speter 121190792Sgshapiroifdef(`MAIL_HUB', `dnl 121290792SgshapiroR< > $+ $: < $H > $1 try hub', `dnl') 121390792Sgshapiroifdef(`LOCAL_RELAY', `dnl 121490792SgshapiroR< > $+ $: < $R > $1 try relay', `dnl') 121590792Sgshapiroifdef(`_PRESERVE_LOCAL_PLUS_DETAIL_', `dnl 121690792SgshapiroR< > $+ $@ $1', `dnl 121764562SgshapiroR< > $+ $: < > < $1 <> $&h > nope, restore +detail 121890792Sgshapiroifdef(`_PRESERVE_LUSER_HOST_', `dnl 121990792SgshapiroR< > < $+ @ $+ <> + $* > $: < > < $1 + $3 @ $2 > check whether +detail') 122064562SgshapiroR< > < $+ <> + $* > $: < > < $1 + $2 > check whether +detail 122164562SgshapiroR< > < $+ <> $* > $: < > < $1 > else discard 122238032SpeterR< > < $+ + $* > $* < > < $1 > + $2 $3 find the user part 122366494SgshapiroR< > < $+ > + $* $#_LOCAL_ $@ $2 $: @ $1`'ifdef(`_FFR_5_', ` $&{LocalAddrHost}') strip the extra + 122438032SpeterR< > < $+ > $@ $1 no +detail 122543730SpeterR$+ $: $1 <> $&h add +detail back in 122690792Sgshapiroifdef(`_PRESERVE_LUSER_HOST_', `dnl 122790792SgshapiroR$+ @ $+ <> + $* $: $1 + $3 @ $2 check whether +detail') 122843730SpeterR$+ <> + $* $: $1 + $2 check whether +detail 122966494SgshapiroR$+ <> $* $: $1 else discard') 123064562SgshapiroR< local : $* > $* $: $>MailerToTriple < local : $1 > $2 no host extension 123164562SgshapiroR< error : $* > $* $: $>MailerToTriple < error : $1 > $2 no host extension 123290792Sgshapiroifdef(`_PRESERVE_LUSER_HOST_', `dnl 123390792Sgshapirodnl it is $~[ instead of $- to avoid matches on IPv6 addresses 123490792SgshapiroR< $~[ : $+ > $+ @ $+ $: $>MailerToTriple < $1 : $2 > $3 < @ $4 >') 123590792SgshapiroR< $~[ : $+ > $+ $: $>MailerToTriple < $1 : $2 > $3 < @ $2 > 123690792Sgshapiroifdef(`_PRESERVE_LUSER_HOST_', `dnl 123790792SgshapiroR< $+ > $+ @ $+ $@ $>MailerToTriple < $1 > $2 < @ $3 >') 123864562SgshapiroR< $+ > $+ $@ $>MailerToTriple < $1 > $2 < @ $1 > 123938032Speter 124064562Sgshapiroifdef(`_MAILER_TABLE_', `dnl 124190792Sgshapiroifdef(`_LDAP_ROUTING_', `dnl 124238032Speter################################################################### 124390792Sgshapiro### Ruleset LDAPMailertable -- mailertable lookup for LDAP ### 124490792Sgshapirodnl input: <Domain> FullAddress 124590792Sgshapiro################################################################### 124690792Sgshapiro 124790792SgshapiroSLDAPMailertable 124890792SgshapiroR< $+ > $* $: < $(mailertable $1 $) > $2 lookup 124990792SgshapiroR< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 check resolved? 125090792SgshapiroR< $+ > $* $: < $1 > $>Mailertable <$1> $2 try domain 125190792SgshapiroR< $+ > $#$* $#$2 found 125290792SgshapiroR< $+ > $* $#_RELAY_ $@ $1 $: $2 not found, direct relay', 125390792Sgshapiro`dnl') 125490792Sgshapiro 125590792Sgshapiro################################################################### 125638032Speter### Ruleset 90 -- try domain part of mailertable entry ### 125764562Sgshapirodnl input: LeftPartOfDomain <RightPartOfDomain> FullAddress 125838032Speter################################################################### 125938032Speter 126064562SgshapiroSMailertable=90 126164562Sgshapirodnl shift and check 126264562Sgshapirodnl %2 is not documented in cf/README 126338032SpeterR$* <$- . $+ > $* $: $1$2 < $(mailertable .$3 $@ $1$2 $@ $2 $) > $4 126464562Sgshapirodnl it is $~[ instead of $- to avoid matches on IPv6 addresses 126564562SgshapiroR$* <$~[ : $* > $* $>MailerToTriple < $2 : $3 > $4 check -- resolved? 126664562SgshapiroR$* < . $+ > $* $@ $>Mailertable $1 . <$2> $3 no -- strip & try again 126764562Sgshapirodnl is $2 always empty? 126838032SpeterR$* < $* > $* $: < $(mailertable . $@ $1$2 $) > $3 try "." 126964562SgshapiroR< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 "." found? 127064562Sgshapirodnl return full address 127138032SpeterR< $* > $* $@ $2 no mailertable match', 127238032Speter`dnl') 127338032Speter 127438032Speter################################################################### 127538032Speter### Ruleset 95 -- canonify mailer:[user@]host syntax to triple ### 127664562Sgshapirodnl input: in general: <[mailer:]host> lp<@domain>rest 127764562Sgshapirodnl <> address -> address 127864562Sgshapirodnl <error:d.s.n:text> -> error 127964562Sgshapirodnl <error:text> -> error 128064562Sgshapirodnl <mailer:user@host> lp<@domain>rest -> mailer host user 128164562Sgshapirodnl <mailer:host> address -> mailer host address 128264562Sgshapirodnl <localdomain> address -> address 128364562Sgshapirodnl <host> address -> relay host address 128438032Speter################################################################### 128538032Speter 128664562SgshapiroSMailerToTriple=95 128738032SpeterR< > $* $@ $1 strip off null relay 128864562SgshapiroR< error : $-.$-.$- : $+ > $* $#error $@ $1.$2.$3 $: $4 128938032SpeterR< error : $- $+ > $* $#error $@ $(dequote $1 $) $: $2 129038032SpeterR< local : $* > $* $>CanonLocal < $1 > $2 129190792Sgshapirodnl it is $~[ instead of $- to avoid matches on IPv6 addresses 129290792SgshapiroR< $~[ : $+ @ $+ > $*<$*>$* $# $1 $@ $3 $: $2<@$3> use literal user 129390792SgshapiroR< $~[ : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer 129438032SpeterR< $=w > $* $@ $2 delete local host 129538032SpeterR< $+ > $* $#_RELAY_ $@ $1 $: $2 use unqualified mailer 129638032Speter 129738032Speter################################################################### 129838032Speter### Ruleset CanonLocal -- canonify local: syntax ### 129964562Sgshapirodnl input: <user> address 130064562Sgshapirodnl <x> <@host> : rest -> Recurse rest 130164562Sgshapirodnl <x> p1 $=O p2 <@host> -> Recurse p1 $=O p2 130264562Sgshapirodnl <> user <@host> rest -> local user@host user 130364562Sgshapirodnl <> user -> local user user 130464562Sgshapirodnl <user@host> lp <@domain> rest -> <user> lp <@host> [cont] 130564562Sgshapirodnl <user> lp <@host> rest -> local lp@host user 130664562Sgshapirodnl <user> lp -> local lp user 130738032Speter################################################################### 130838032Speter 130938032SpeterSCanonLocal 131043730Speter# strip local host from routed addresses 131164562SgshapiroR< $* > < @ $+ > : $+ $@ $>Recurse $3 131264562SgshapiroR< $* > $+ $=O $+ < @ $+ > $@ $>Recurse $2 $3 $4 131343730Speter 131438032Speter# strip trailing dot from any host name that may appear 131538032SpeterR< $* > $* < @ $* . > $: < $1 > $2 < @ $3 > 131638032Speter 131738032Speter# handle local: syntax -- use old user, either with or without host 131838032SpeterR< > $* < @ $* > $* $#_LOCAL_ $@ $1@$2 $: $1 131938032SpeterR< > $+ $#_LOCAL_ $@ $1 $: $1 132038032Speter 132138032Speter# handle local:user@host syntax -- ignore host part 132238032SpeterR< $+ @ $+ > $* < @ $* > $: < $1 > $3 < @ $4 > 132338032Speter 132438032Speter# handle local:user syntax 132538032SpeterR< $+ > $* <@ $* > $* $#_LOCAL_ $@ $2@$3 $: $1 132638032SpeterR< $+ > $* $#_LOCAL_ $@ $2 $: $1 132738032Speter 132838032Speter################################################################### 132938032Speter### Ruleset 93 -- convert header names to masqueraded form ### 133038032Speter################################################################### 133138032Speter 133264562SgshapiroSMasqHdr=93 133338032Speter 133464562Sgshapiroifdef(`_GENERICS_TABLE_', `dnl 133538032Speter# handle generics database 133638032Speterifdef(`_GENERICS_ENTIRE_DOMAIN_', 133764562Sgshapirodnl if generics should be applied add a @ as mark 133838032Speter`R$+ < @ $* $=G . > $: < $1@$2$3 > $1 < @ $2$3 . > @ mark', 133938032Speter`R$+ < @ $=G . > $: < $1@$2 > $1 < @ $2 . > @ mark') 134038032SpeterR$+ < @ *LOCAL* > $: < $1@$j > $1 < @ *LOCAL* > @ mark 134164562Sgshapirodnl workspace: either user<@domain> or <user@domain> user <@domain> @ 134264562Sgshapirodnl ignore the first case for now 134364562Sgshapirodnl if it has the mark lookup full address 134490792Sgshapirodnl broken: %1 is full address not just detail 134564562SgshapiroR< $+ > $+ < $* > @ $: < $(generics $1 $: @ $1 $) > $2 < $3 > 134664562Sgshapirodnl workspace: ... or <match|@user@domain> user <@domain> 134764562Sgshapirodnl no match, try user+detail@domain 134864562SgshapiroR<@$+ + $* @ $+> $+ < @ $+ > 134964562Sgshapiro $: < $(generics $1+*@$3 $@ $2 $:@$1 + $2@$3 $) > $4 < @ $5 > 135064562SgshapiroR<@$+ + $* @ $+> $+ < @ $+ > 135164562Sgshapiro $: < $(generics $1@$3 $: $) > $4 < @ $5 > 135264562Sgshapirodnl no match, remove mark 135364562SgshapiroR<@$+ > $+ < @ $+ > $: < > $2 < @ $3 > 135464562Sgshapirodnl no match, try @domain for exceptions 135564562SgshapiroR< > $+ < @ $+ . > $: < $(generics @$2 $@ $1 $: $) > $1 < @ $2 . > 135664562Sgshapirodnl workspace: ... or <match> user <@domain> 135764562Sgshapirodnl no match, try local part 135838032SpeterR< > $+ < @ $+ > $: < $(generics $1 $: $) > $1 < @ $2 > 135964562SgshapiroR< > $+ + $* < @ $+ > $: < $(generics $1+* $@ $2 $: $) > $1 + $2 < @ $3 > 136064562SgshapiroR< > $+ + $* < @ $+ > $: < $(generics $1 $: $) > $1 + $2 < @ $3 > 136164562SgshapiroR< $* @ $* > $* < $* > $@ $>canonify $1 @ $2 found qualified 136264562SgshapiroR< $+ > $* < $* > $: $>canonify $1 @ *LOCAL* found unqualified 136338032SpeterR< > $* $: $1 not found', 136438032Speter`dnl') 136538032Speter 136664562Sgshapiro# do not masquerade anything in class N 136764562SgshapiroR$* < @ $* $=N . > $@ $1 < @ $2 $3 . > 136864562Sgshapiro 136990792Sgshapiroifdef(`MASQUERADE_NAME', `dnl 137038032Speter# special case the users that should be exposed 137138032SpeterR$=E < @ *LOCAL* > $@ $1 < @ $j . > leave exposed 137238032Speterifdef(`_MASQUERADE_ENTIRE_DOMAIN_', 137338032Speter`R$=E < @ $* $=M . > $@ $1 < @ $2 $3 . >', 137438032Speter`R$=E < @ $=M . > $@ $1 < @ $2 . >') 137538032Speterifdef(`_LIMITED_MASQUERADE_', `dnl', 137638032Speter`R$=E < @ $=w . > $@ $1 < @ $2 . >') 137738032Speter 137838032Speter# handle domain-specific masquerading 137938032Speterifdef(`_MASQUERADE_ENTIRE_DOMAIN_', 138038032Speter`R$* < @ $* $=M . > $* $: $1 < @ $2 $3 . @ $M > $4 convert masqueraded doms', 138138032Speter`R$* < @ $=M . > $* $: $1 < @ $2 . @ $M > $3 convert masqueraded doms') 138238032Speterifdef(`_LIMITED_MASQUERADE_', `dnl', 138338032Speter`R$* < @ $=w . > $* $: $1 < @ $2 . @ $M > $3') 138438032SpeterR$* < @ *LOCAL* > $* $: $1 < @ $j . @ $M > $2 138538032SpeterR$* < @ $+ @ > $* $: $1 < @ $2 > $3 $M is null 138638032SpeterR$* < @ $+ @ $+ > $* $: $1 < @ $3 . > $4 $M is not null 138790792Sgshapirodnl', `dnl no masquerading 138890792Sgshapirodnl just fix *LOCAL* leftovers 138990792SgshapiroR$* < @ *LOCAL* > $@ $1 < @ $j . >') 139038032Speter 139138032Speter################################################################### 139238032Speter### Ruleset 94 -- convert envelope names to masqueraded form ### 139338032Speter################################################################### 139438032Speter 139564562SgshapiroSMasqEnv=94 139638032Speterifdef(`_MASQUERADE_ENVELOPE_', 139764562Sgshapiro`R$+ $@ $>MasqHdr $1', 139838032Speter`R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2') 139938032Speter 140038032Speter################################################################### 140138032Speter### Ruleset 98 -- local part of ruleset zero (can be null) ### 140238032Speter################################################################### 140338032Speter 140464562SgshapiroSParseLocal=98 140564562Sgshapiroundivert(3)dnl LOCAL_RULE_0 140638032Speter 140764562Sgshapiroifdef(`_LDAP_ROUTING_', `dnl 140890792Sgshapiro###################################################################### 140990792Sgshapiro### LDAPExpand: Expand address using LDAP routing 141090792Sgshapiro### 141190792Sgshapiro### Parameters: 141290792Sgshapiro### <$1> -- parsed address (user < @ domain . >) (pass through) 141390792Sgshapiro### <$2> -- RFC822 address (user @ domain) (used for lookup) 141490792Sgshapiro### <$3> -- +detail information 141590792Sgshapiro### 141690792Sgshapiro### Returns: 141790792Sgshapiro### Mailer triplet ($#mailer $@ host $: address) 141890792Sgshapiro### Parsed address (user < @ domain . >) 141990792Sgshapiro###################################################################### 142090792Sgshapiro 142164562SgshapiroSLDAPExpand 142264562Sgshapiro# do the LDAP lookups 142390792SgshapiroR<$+><$+><$*> $: <$(ldapmra $2 $: $)> <$(ldapmh $2 $: $)> <$1> <$2> <$3> 142464562Sgshapiro 142594334Sgshapiro# look for temporary failures (return original address, MTA will queue up) 142694334SgshapiroR<$* <TMPF>> <$*> <$+> <$+> <$*> $@ $2 142794334SgshapiroR<$*> <$* <TMPF>> <$+> <$+> <$*> $@ $2 142894334Sgshapiro 142964562Sgshapiro# if mailRoutingAddress and local or non-existant mailHost, 143064562Sgshapiro# return the new mailRoutingAddress 143190792Sgshapiroifelse(_LDAP_ROUTE_DETAIL_, `_PRESERVE_', `dnl 143290792SgshapiroR<$+@$+> <$=w> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 $6 @ $2 143390792SgshapiroR<$+@$+> <> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 $5 @ $2') 143490792SgshapiroR<$+> <$=w> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 143590792SgshapiroR<$+> <> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 143664562Sgshapiro 143764562Sgshapiro# if mailRoutingAddress and non-local mailHost, 143864562Sgshapiro# relay to mailHost with new mailRoutingAddress 143990792Sgshapiroifelse(_LDAP_ROUTE_DETAIL_, `_PRESERVE_', `dnl 144090792Sgshapiroifdef(`_MAILER_TABLE_', `dnl 144190792Sgshapiro# check mailertable for host, relay from there 144290792SgshapiroR<$+@$+> <$+> <$+> <$+> <$*> $>LDAPMailertable <$3> $>canonify $1 $6 @ $2', 144390792Sgshapiro`R<$+@$+> <$+> <$+> <$+> <$*> $#_RELAY_ $@ $3 $: $>canonify $1 $6 @ $2')') 144490792Sgshapiroifdef(`_MAILER_TABLE_', `dnl 144590792Sgshapiro# check mailertable for host, relay from there 144690792SgshapiroR<$+> <$+> <$+> <$+> <$*> $>LDAPMailertable <$2> $>canonify $1', 144790792Sgshapiro`R<$+> <$+> <$+> <$+> <$*> $#_RELAY_ $@ $2 $: $>canonify $1') 144864562Sgshapiro 144964562Sgshapiro# if no mailRoutingAddress and local mailHost, 145064562Sgshapiro# return original address 145190792SgshapiroR<> <$=w> <$+> <$+> <$*> $@ $2 145264562Sgshapiro 145364562Sgshapiro# if no mailRoutingAddress and non-local mailHost, 145464562Sgshapiro# relay to mailHost with original address 145590792Sgshapiroifdef(`_MAILER_TABLE_', `dnl 145690792Sgshapiro# check mailertable for host, relay from there 145790792SgshapiroR<> <$+> <$+> <$+> <$*> $>LDAPMailertable <$1> $2', 145890792Sgshapiro`R<> <$+> <$+> <$+> <$*> $#_RELAY_ $@ $1 $: $2') 145964562Sgshapiro 146090792Sgshapiroifdef(`_LDAP_ROUTE_DETAIL_', 146190792Sgshapiro`# if no mailRoutingAddress and no mailHost, 146290792Sgshapiro# try without +detail 146390792SgshapiroR<> <> <$+> <$+ + $* @ $+> <> $@ $>LDAPExpand <$1> <$2 @ $4> <+$3>')dnl 146490792Sgshapiro 146590792Sgshapiro# if still no mailRoutingAddress and no mailHost, 146664562Sgshapiro# try @domain 146790792Sgshapiroifelse(_LDAP_ROUTE_DETAIL_, `_PRESERVE_', `dnl 146890792SgshapiroR<> <> <$+> <$+ + $* @ $+> <> $@ $>LDAPExpand <$1> <@ $4> <+$3>') 146990792SgshapiroR<> <> <$+> <$+ @ $+> <$*> $@ $>LDAPExpand <$1> <@ $3> <$4> 147064562Sgshapiro 147164562Sgshapiro# if no mailRoutingAddress and no mailHost and this was a domain attempt, 147264562Sgshapiroifelse(_LDAP_ROUTING_, `_MUST_EXIST_', `dnl 147364562Sgshapiro# user does not exist 147490792SgshapiroR<> <> <$+> <@ $+> <$*> $: <?> < $&{addr_type} > < $1 > 147590792Sgshapiro# only give error for envelope recipient 147690792SgshapiroR<?> <e r> <$+> $#error $@ nouser $: "550 User unknown" 147790792SgshapiroR<?> <$*> <$+> $@ $2', 147864562Sgshapiro`dnl 147964562Sgshapiro# return the original address 148090792SgshapiroR<> <> <$+> <@ $+> <$*> $@ $1')', 148164562Sgshapiro`dnl') 148264562Sgshapiro 148364562Sgshapiroifelse(substr(confDELIVERY_MODE,0,1), `d', `errprint(`WARNING: Antispam rules not available in deferred delivery mode. 148464562Sgshapiro')') 148590792Sgshapiroifdef(`_ACCESS_TABLE_', `dnl', `divert(-1)') 148638032Speter###################################################################### 148790792Sgshapiro### D: LookUpDomain -- search for domain in access database 148838032Speter### 148938032Speter### Parameters: 149038032Speter### <$1> -- key (domain name) 149138032Speter### <$2> -- default (what to return if not found in db) 149264562Sgshapirodnl must not be empty 149390792Sgshapiro### <$3> -- mark (must be <(!|+) single-token>) 149464562Sgshapiro### ! does lookup only with tag 149564562Sgshapiro### + does lookup with and without tag 149690792Sgshapiro### <$4> -- passthru (additional data passed unchanged through) 149764562Sgshapirodnl returns: <default> <passthru> 149864562Sgshapirodnl <result> <passthru> 149938032Speter###################################################################### 150038032Speter 150190792SgshapiroSD 150264562Sgshapirodnl workspace <key> <default> <passthru> <mark> 150364562Sgshapirodnl lookup with tag (in front, no delimiter here) 150490792Sgshapirodnl 2 3 4 5 150590792SgshapiroR<$*> <$+> <$- $-> <$*> $: < $(access $4`'_TAG_DELIM_`'$1 $: ? $) > <$1> <$2> <$3 $4> <$5> 150664562Sgshapirodnl workspace <result-of-lookup|?> <key> <default> <passthru> <mark> 150764562Sgshapirodnl lookup without tag? 150890792Sgshapirodnl 1 2 3 4 150990792SgshapiroR<?> <$+> <$+> <+ $-> <$*> $: < $(access $1 $: ? $) > <$1> <$2> <+ $3> <$4> 151090792Sgshapiroifdef(`_LOOKUPDOTDOMAIN_', `dnl omit first component: lookup .rest 151190792Sgshapirodnl XXX apply this also to IP addresses? 151290792Sgshapirodnl currently it works the wrong way round for [1.2.3.4] 151390792Sgshapirodnl 1 2 3 4 5 6 151490792SgshapiroR<?> <$+.$+> <$+> <$- $-> <$*> $: < $(access $5`'_TAG_DELIM_`'.$2 $: ? $) > <$1.$2> <$3> <$4 $5> <$6> 151590792Sgshapirodnl 1 2 3 4 5 151690792SgshapiroR<?> <$+.$+> <$+> <+ $-> <$*> $: < $(access .$2 $: ? $) > <$1.$2> <$3> <+ $4> <$5>', `dnl') 151790792Sgshapiroifdef(`_ACCESS_SKIP_', `dnl 151890792Sgshapirodnl found SKIP: return <default> and <passthru> 151990792Sgshapirodnl 1 2 3 4 5 152090792SgshapiroR<SKIP> <$+> <$+> <$- $-> <$*> $@ <$2> <$5>', `dnl') 152190792Sgshapirodnl not found: IPv4 net (no check is done whether it is an IP number!) 152290792Sgshapirodnl 1 2 3 4 5 6 152390792SgshapiroR<?> <[$+.$-]> <$+> <$- $-> <$*> $@ $>D <[$1]> <$3> <$4 $5> <$6> 152490792Sgshapiroifdef(`NO_NETINET6', `dnl', 152590792Sgshapiro`dnl not found: IPv6 net 152690792Sgshapirodnl (could be merged with previous rule if we have a class containing .:) 152790792Sgshapirodnl 1 2 3 4 5 6 152890792SgshapiroR<?> <[$+::$-]> <$+> <$- $-> <$*> $: $>D <[$1]> <$3> <$4 $5> <$6> 152990792SgshapiroR<?> <[$+:$-]> <$+> <$- $-> <$*> $: $>D <[$1]> <$3> <$4 $5> <$6>') 153064562Sgshapirodnl not found, but subdomain: try again 153190792Sgshapirodnl 1 2 3 4 5 6 153290792SgshapiroR<?> <$+.$+> <$+> <$- $-> <$*> $@ $>D <$2> <$3> <$4 $5> <$6> 153390792Sgshapiroifdef(`_FFR_LOOKUPTAG_', `dnl lookup Tag: 153490792Sgshapirodnl 1 2 3 4 153590792SgshapiroR<?> <$+> <$+> <! $-> <$*> $: < $(access $3`'_TAG_DELIM_ $: ? $) > <$1> <$2> <! $3> <$4>', `dnl') 153690792Sgshapirodnl not found, no subdomain: return <default> and <passthru> 153790792Sgshapirodnl 1 2 3 4 5 153890792SgshapiroR<?> <$+> <$+> <$- $-> <$*> $@ <$2> <$5> 153990792Sgshapiroifdef(`_ATMPF_', `dnl tempfail? 154090792Sgshapirodnl 2 3 4 5 6 154190792SgshapiroR<$* _ATMPF_> <$+> <$+> <$- $-> <$*> $@ <_ATMPF_> <$6>', `dnl') 154290792Sgshapirodnl return <result of lookup> and <passthru> 154390792Sgshapirodnl 2 3 4 5 6 154490792SgshapiroR<$*> <$+> <$+> <$- $-> <$*> $@ <$1> <$6> 154538032Speter 154638032Speter###################################################################### 154790792Sgshapiro### A: LookUpAddress -- search for host address in access database 154838032Speter### 154938032Speter### Parameters: 155038032Speter### <$1> -- key (dot quadded host address) 155138032Speter### <$2> -- default (what to return if not found in db) 155264562Sgshapirodnl must not be empty 155390792Sgshapiro### <$3> -- mark (must be <(!|+) single-token>) 155464562Sgshapiro### ! does lookup only with tag 155564562Sgshapiro### + does lookup with and without tag 155690792Sgshapiro### <$4> -- passthru (additional data passed through) 155764562Sgshapirodnl returns: <default> <passthru> 155864562Sgshapirodnl <result> <passthru> 155938032Speter###################################################################### 156038032Speter 156190792SgshapiroSA 156264562Sgshapirodnl lookup with tag 156390792Sgshapirodnl 2 3 4 5 156490792SgshapiroR<$+> <$+> <$- $-> <$*> $: < $(access $4`'_TAG_DELIM_`'$1 $: ? $) > <$1> <$2> <$3 $4> <$5> 156564562Sgshapirodnl lookup without tag 156690792Sgshapirodnl 1 2 3 4 156790792SgshapiroR<?> <$+> <$+> <+ $-> <$*> $: < $(access $1 $: ? $) > <$1> <$2> <+ $3> <$4> 156890792Sgshapirodnl workspace <result-of-lookup|?> <key> <default> <mark> <passthru> 156990792Sgshapiroifdef(`_ACCESS_SKIP_', `dnl 157090792Sgshapirodnl found SKIP: return <default> and <passthru> 157190792Sgshapirodnl 1 2 3 4 5 157290792SgshapiroR<SKIP> <$+> <$+> <$- $-> <$*> $@ <$2> <$5>', `dnl') 157390792Sgshapiroifdef(`NO_NETINET6', `dnl', 157490792Sgshapiro`dnl no match; IPv6: remove last part 157590792Sgshapirodnl 1 2 3 4 5 6 157690792SgshapiroR<?> <$+::$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6> 157790792SgshapiroR<?> <$+:$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6>') 157864562Sgshapirodnl no match; IPv4: remove last part 157990792Sgshapirodnl 1 2 3 4 5 6 158090792SgshapiroR<?> <$+.$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6> 158164562Sgshapirodnl no match: return default 158290792Sgshapirodnl 1 2 3 4 5 158390792SgshapiroR<?> <$+> <$+> <$- $-> <$*> $@ <$2> <$5> 158490792Sgshapiroifdef(`_ATMPF_', `dnl tempfail? 158590792Sgshapirodnl 2 3 4 5 6 158690792SgshapiroR<$* _ATMPF_> <$+> <$+> <$- $-> <$*> $@ <_ATMPF_> <$6>', `dnl') 158764562Sgshapirodnl match: return result 158890792Sgshapirodnl 2 3 4 5 6 158990792SgshapiroR<$*> <$+> <$+> <$- $-> <$*> $@ <$1> <$6> 159090792Sgshapirodnl endif _ACCESS_TABLE_ 159190792Sgshapirodivert(0) 159238032Speter###################################################################### 159342575Speter### CanonAddr -- Convert an address into a standard form for 159442575Speter### relay checking. Route address syntax is 159542575Speter### crudely converted into a %-hack address. 159642575Speter### 159742575Speter### Parameters: 159842575Speter### $1 -- full recipient address 159942575Speter### 160042575Speter### Returns: 160142575Speter### parsed address, not in source route form 160264562Sgshapirodnl user%host%host<@domain> 160364562Sgshapirodnl host!user<@domain> 160442575Speter###################################################################### 160542575Speter 160642575SpeterSCanonAddr 160764562SgshapiroR$* $: $>Parse0 $>canonify $1 make domain canonical 160864562Sgshapiroifdef(`_USE_DEPRECATED_ROUTE_ADDR_',`dnl 160942575SpeterR< @ $+ > : $* @ $* < @ $1 > : $2 % $3 change @ to % in src route 161042575SpeterR$* < @ $+ > : $* : $* $3 $1 < @ $2 > : $4 change to % hack. 161142575SpeterR$* < @ $+ > : $* $3 $1 < @ $2 > 161264562Sgshapirodnl') 161342575Speter 161442575Speter###################################################################### 161538032Speter### ParseRecipient -- Strip off hosts in $=R as well as possibly 161638032Speter### $* $=m or the access database. 161738032Speter### Check user portion for host separators. 161838032Speter### 161938032Speter### Parameters: 162038032Speter### $1 -- full recipient address 162138032Speter### 162238032Speter### Returns: 162338032Speter### parsed, non-local-relaying address 162438032Speter###################################################################### 162538032Speter 162638032SpeterSParseRecipient 162764562Sgshapirodnl mark and canonify address 162842575SpeterR$* $: <?> $>CanonAddr $1 162964562Sgshapirodnl workspace: <?> localpart<@domain[.]> 163042575SpeterR<?> $* < @ $* . > <?> $1 < @ $2 > strip trailing dots 163164562Sgshapirodnl workspace: <?> localpart<@domain> 163242575SpeterR<?> $- < @ $* > $: <?> $(dequote $1 $) < @ $2 > dequote local part 163338032Speter 163438032Speter# if no $=O character, no host in the user portion, we are done 163542575SpeterR<?> $* $=O $* < @ $* > $: <NO> $1 $2 $3 < @ $4> 163664562Sgshapirodnl no $=O in localpart: return 163742575SpeterR<?> $* $@ $1 163838032Speter 163990792Sgshapirodnl workspace: <NO> localpart<@domain>, where localpart contains $=O 164064562Sgshapirodnl mark everything which has an "authorized" domain with <RELAY> 164138032Speterifdef(`_RELAY_ENTIRE_DOMAIN_', `dnl 164238032Speter# if we relay, check username portion for user%host so host can be checked also 164342575SpeterR<NO> $* < @ $* $=m > $: <RELAY> $1 < @ $2 $3 >', `dnl') 164464562Sgshapirodnl workspace: <(NO|RELAY)> localpart<@domain>, where localpart contains $=O 164564562Sgshapirodnl if mark is <NO> then change it to <RELAY> if domain is "authorized" 164690792Sgshapiro 164790792Sgshapirodnl what if access map returns something else than RELAY? 164890792Sgshapirodnl we are only interested in RELAY entries... 164990792Sgshapirodnl other To: entries: blacklist recipient; generic entries? 165090792Sgshapirodnl if it is an error we probably do not want to relay anyway 165138032Speterifdef(`_RELAY_HOSTS_ONLY_', 165242575Speter`R<NO> $* < @ $=R > $: <RELAY> $1 < @ $2 > 165364562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 165464562SgshapiroR<NO> $* < @ $+ > $: <$(access To:$2 $: NO $)> $1 < @ $2 > 165542575SpeterR<NO> $* < @ $+ > $: <$(access $2 $: NO $)> $1 < @ $2 >',`dnl')', 165642575Speter`R<NO> $* < @ $* $=R > $: <RELAY> $1 < @ $2 $3 > 165764562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 165890792SgshapiroR<NO> $* < @ $+ > $: $>D <$2> <NO> <+ To> <$1 < @ $2 >> 165942575SpeterR<$+> <$+> $: <$1> $2',`dnl')') 166038032Speter 166164562Sgshapiro 166290792Sgshapiroifdef(`_RELAY_MX_SERVED_', `dnl 166390792Sgshapirodnl do "we" ($=w) act as backup MX server for the destination domain? 166490792SgshapiroR<NO> $* < @ $+ > $: <MX> < : $(mxserved $2 $) : > < $1 < @$2 > > 166590792SgshapiroR<MX> < : $* <TEMP> : > $* $#TEMP $@ 4.7.1 $: "450 Can not check MX records for recipient host " $1 166690792Sgshapirodnl yes: mark it as <RELAY> 166790792SgshapiroR<MX> < $* : $=w. : $* > < $+ > $: <RELAY> $4 166890792Sgshapirodnl no: put old <NO> mark back 166990792SgshapiroR<MX> < : $* : > < $+ > $: <NO> $2', `dnl') 167090792Sgshapiro 167190792Sgshapirodnl do we relay to this recipient domain? 167242575SpeterR<RELAY> $* < @ $* > $@ $>ParseRecipient $1 167390792Sgshapirodnl something else 167490792SgshapiroR<$+> $* $@ $2 167542575Speter 167664562Sgshapiro 167738032Speter###################################################################### 167838032Speter### check_relay -- check hostname/address on SMTP startup 167938032Speter###################################################################### 168038032Speter 168138032SpeterSLocal_check_relay 168264562SgshapiroScheck`'_U_`'relay 168338032SpeterR$* $: $1 $| $>"Local_check_relay" $1 168438032SpeterR$* $| $* $| $#$* $#$3 168538032SpeterR$* $| $* $| $* $@ $>"Basic_check_relay" $1 $| $2 168638032Speter 168738032SpeterSBasic_check_relay 168838032Speter# check for deferred delivery mode 168938032SpeterR$* $: < ${deliveryMode} > $1 169038032SpeterR< d > $* $@ deferred 169138032SpeterR< $* > $* $: $2 169238032Speter 169364562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 169466494Sgshapirodnl workspace: {client_name} $| {client_addr} 169590792SgshapiroR$+ $| $+ $: $>D < $1 > <?> <+ Connect> < $2 > 169666494Sgshapirodnl workspace: <result-of-lookup> <{client_addr}> 169790792SgshapiroR<?> <$+> $: $>A < $1 > <?> <+ Connect> <> no: another lookup 169890792Sgshapirodnl workspace: <result-of-lookup> (<>|<{client_addr}>) 169990792SgshapiroR<?> <$*> $: OK found nothing 170090792Sgshapirodnl workspace: <result-of-lookup> (<>|<{client_addr}>) | OK 170190792SgshapiroR<$={Accept}> <$*> $@ $1 return value of lookup 170290792SgshapiroR<REJECT> <$*> $#error ifdef(`confREJECT_MSG', `$: "confREJECT_MSG"', `$@ 5.7.1 $: "550 Access denied"') 170390792SgshapiroR<DISCARD> <$*> $#discard $: discard 170490792Sgshapiroifdef(`_FFR_QUARANTINE', 170590792Sgshapiro`R<QUARANTINE:$+> <$*> $#error $@ quarantine $: $1', `dnl') 170664562Sgshapirodnl error tag 170766494SgshapiroR<ERROR:$-.$-.$-:$+> <$*> $#error $@ $1.$2.$3 $: $4 170866494SgshapiroR<ERROR:$+> <$*> $#error $: $1 170990792Sgshapiroifdef(`_ATMPF_', `R<$* _ATMPF_> <$*> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 171064562Sgshapirodnl generic error from access map 171166494SgshapiroR<$+> <$*> $#error $: $1', `dnl') 171238032Speter 171364562Sgshapiroifdef(`_RBL_',`dnl 171464562Sgshapiro# DNS based IP address spam list 171590792Sgshapirodnl workspace: ignored... 171638032SpeterR$* $: $&{client_addr} 171764562SgshapiroR$-.$-.$-.$- $: <?> $(host $4.$3.$2.$1._RBL_. $: OK $) 171864562SgshapiroR<?>OK $: OKSOFAR 171964562SgshapiroR<?>$+ $#error $@ 5.7.1 $: "550 Mail from " $&{client_addr} " refused by blackhole site _RBL_"', 172038032Speter`dnl') 172164562Sgshapiroundivert(8) 172238032Speter 172338032Speter###################################################################### 172438032Speter### check_mail -- check SMTP ``MAIL FROM:'' command argument 172538032Speter###################################################################### 172638032Speter 172738032SpeterSLocal_check_mail 172864562SgshapiroScheck`'_U_`'mail 172938032SpeterR$* $: $1 $| $>"Local_check_mail" $1 173038032SpeterR$* $| $#$* $#$2 173138032SpeterR$* $| $* $@ $>"Basic_check_mail" $1 173238032Speter 173338032SpeterSBasic_check_mail 173438032Speter# check for deferred delivery mode 173538032SpeterR$* $: < ${deliveryMode} > $1 173638032SpeterR< d > $* $@ deferred 173738032SpeterR< $* > $* $: $2 173838032Speter 173964562Sgshapiro# authenticated? 174064562Sgshapirodnl done first: we can require authentication for every mail transaction 174164562Sgshapirodnl workspace: address as given by MAIL FROM: (sender) 174264562SgshapiroR$* $: $1 $| $>"tls_client" $&{verify} $| MAIL 174364562SgshapiroR$* $| $#$+ $#$2 174464562Sgshapirodnl undo damage: remove result of tls_client call 174564562SgshapiroR$* $| $* $: $1 174638032Speter 174764562Sgshapirodnl workspace: address as given by MAIL FROM: 174864562SgshapiroR<> $@ <OK> we MUST accept <> (RFC 1123) 174938032Speterifdef(`_ACCEPT_UNQUALIFIED_SENDERS_',`dnl',`dnl 175064562Sgshapirodnl do some additional checks 175164562Sgshapirodnl no user@host 175264562Sgshapirodnl no user@localhost (if nonlocal sender) 175364562Sgshapirodnl this is a pretty simple canonification, it will not catch every case 175464562Sgshapirodnl just make sure the address has <> around it (which is required by 175564562Sgshapirodnl the RFC anyway, maybe we should complain if they are missing...) 175664562Sgshapirodnl dirty trick: if it is user@host, just add a dot: user@host. this will 175764562Sgshapirodnl not be modified by host lookups. 175864562SgshapiroR$+ $: <?> $1 175964562SgshapiroR<?><$+> $: <@> <$1> 176064562SgshapiroR<?>$+ $: <@> <$1> 176164562Sgshapirodnl workspace: <@> <address> 176264562Sgshapirodnl prepend daemon_flags 176364562SgshapiroR$* $: $&{daemon_flags} $| $1 176464562Sgshapirodnl workspace: ${daemon_flags} $| <@> <address> 176564562Sgshapirodnl do not allow these at all or only from local systems? 176664562SgshapiroR$* f $* $| <@> < $* @ $- > $: < ? $&{client_name} > < $3 @ $4 > 176764562Sgshapirodnl accept unqualified sender: change mark to avoid test 176864562SgshapiroR$* u $* $| <@> < $* > $: <?> < $3 > 176964562Sgshapirodnl workspace: ${daemon_flags} $| <@> <address> 177064562Sgshapirodnl or: <? ${client_name} > <address> 177164562Sgshapirodnl or: <?> <address> 177264562Sgshapirodnl remove daemon_flags 177364562SgshapiroR$* $| $* $: $2 177438032Speter# handle case of @localhost on address 177564562SgshapiroR<@> < $* @ localhost > $: < ? $&{client_name} > < $1 @ localhost > 177664562SgshapiroR<@> < $* @ [127.0.0.1] > 177764562Sgshapiro $: < ? $&{client_name} > < $1 @ [127.0.0.1] > 177864562SgshapiroR<@> < $* @ localhost.$m > 177964562Sgshapiro $: < ? $&{client_name} > < $1 @ localhost.$m > 178038032Speterifdef(`_NO_UUCP_', `dnl', 178164562Sgshapiro`R<@> < $* @ localhost.UUCP > 178264562Sgshapiro $: < ? $&{client_name} > < $1 @ localhost.UUCP >') 178364562Sgshapirodnl workspace: < ? $&{client_name} > <user@localhost|host> 178464562Sgshapirodnl or: <@> <address> 178564562Sgshapirodnl or: <?> <address> (thanks to u in ${daemon_flags}) 178664562SgshapiroR<@> $* $: $1 no localhost as domain 178764562Sgshapirodnl workspace: < ? $&{client_name} > <user@localhost|host> 178864562Sgshapirodnl or: <address> 178964562Sgshapirodnl or: <?> <address> (thanks to u in ${daemon_flags}) 179064562SgshapiroR<? $=w> $* $: $2 local client: ok 179190792SgshapiroR<? $+> <$+> $#error $@ 5.5.4 $: "_CODE553 Real domain name required for sender address" 179264562Sgshapirodnl remove <?> (happens only if ${client_name} == "" or u in ${daemon_flags}) 179364562SgshapiroR<?> $* $: $1') 179464562Sgshapirodnl workspace: address (or <address>) 179564562SgshapiroR$* $: <?> $>CanonAddr $1 canonify sender address and mark it 179664562Sgshapirodnl workspace: <?> CanonicalAddress (i.e. address in canonical form localpart<@host>) 179764562Sgshapirodnl there is nothing behind the <@host> so no trailing $* needed 179864562SgshapiroR<?> $* < @ $+ . > <?> $1 < @ $2 > strip trailing dots 179964562Sgshapiro# handle non-DNS hostnames (*.bitnet, *.decnet, *.uucp, etc) 180064562SgshapiroR<?> $* < @ $* $=P > $: <OK> $1 < @ $2 $3 > 180164562Sgshapirodnl workspace <mark> CanonicalAddress where mark is ? or OK 180264562Sgshapiroifdef(`_ACCEPT_UNRESOLVABLE_DOMAINS_', 180390792Sgshapiro`R<?> $* < @ $+ > $: <_RES_OK_> $1 < @ $2 > ... unresolvable OK', 180464562Sgshapiro`R<?> $* < @ $+ > $: <? $(resolve $2 $: $2 <PERM> $) > $1 < @ $2 > 180564562SgshapiroR<? $* <$->> $* < @ $+ > 180664562Sgshapiro $: <$2> $3 < @ $4 >') 180790792Sgshapirodnl workspace <mark> CanonicalAddress where mark is ?, _RES_OK_, PERM, TEMP 180864562Sgshapirodnl mark is ? iff the address is user (wo @domain) 180938032Speter 181064562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 181164562Sgshapiro# check sender address: user@address, user@, address 181264562Sgshapirodnl should we remove +ext from user? 181390792Sgshapirodnl workspace: <mark> CanonicalAddress where mark is: ?, _RES_OK_, PERM, TEMP 181490792SgshapiroR<$+> $+ < @ $* > $: @<$1> <$2 < @ $3 >> $| <F:$2@$3> <U:$2@> <D:$3> 181564562SgshapiroR<$+> $+ $: @<$1> <$2> $| <U:$2@> 181664562Sgshapirodnl workspace: @<mark> <CanonicalAddress> $| <@type:address> .... 181764562Sgshapirodnl $| is used as delimiter, otherwise false matches may occur: <user<@domain>> 181864562Sgshapirodnl will only return user<@domain when "reversing" the args 181990792SgshapiroR@ <$+> <$*> $| <$+> $: <@> <$1> <$2> $| $>SearchList <+ From> $| <$3> <> 182064562Sgshapirodnl workspace: <@><mark> <CanonicalAddress> $| <result> 182164562SgshapiroR<@> <$+> <$*> $| <$*> $: <$3> <$1> <$2> reverse result 182264562Sgshapirodnl workspace: <result> <mark> <CanonicalAddress> 182338032Speter# retransform for further use 182464562Sgshapirodnl required form: 182564562Sgshapirodnl <ResultOfLookup|mark> CanonicalAddress 182664562SgshapiroR<?> <$+> <$*> $: <$1> $2 no match 182764562SgshapiroR<$+> <$+> <$*> $: <$1> $3 relevant result, keep it', `dnl') 182864562Sgshapirodnl workspace <ResultOfLookup|mark> CanonicalAddress 182964562Sgshapirodnl mark is ? iff the address is user (wo @domain) 183038032Speter 183138032Speterifdef(`_ACCEPT_UNQUALIFIED_SENDERS_',`dnl',`dnl 183238032Speter# handle case of no @domain on address 183364562Sgshapirodnl prepend daemon_flags 183464562SgshapiroR<?> $* $: $&{daemon_flags} $| <?> $1 183564562Sgshapirodnl accept unqualified sender: change mark to avoid test 183690792SgshapiroR$* u $* $| <?> $* $: <_RES_OK_> $3 183764562Sgshapirodnl remove daemon_flags 183864562SgshapiroR$* $| $* $: $2 183938032SpeterR<?> $* $: < ? $&{client_name} > $1 184038032SpeterR<?> $* $@ <OK> ...local unqualed ok 184190792SgshapiroR<? $+> $* $#error $@ 5.5.4 $: "_CODE553 Domain name required for sender address " $&f 184238032Speter ...remote is not') 184338032Speter# check results 184464562SgshapiroR<?> $* $: @ $1 mark address: nothing known about it 184590792SgshapiroR<$={ResOk}> $* $@ <_RES_OK_> domain ok: stop 184664562SgshapiroR<TEMP> $* $#error $@ 4.1.8 $: "451 Domain of sender address " $&f " does not resolve" 184790792SgshapiroR<PERM> $* $#error $@ 5.1.8 $: "_CODE553 Domain of sender address " $&f " does not exist" 184864562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 184990792SgshapiroR<$={Accept}> $* $# $1 accept from access map 185038032SpeterR<DISCARD> $* $#discard $: discard 185190792Sgshapiroifdef(`_FFR_QUARANTINE', 185290792Sgshapiro`R<QUARANTINE:$+> $* $#error $@ quarantine $: $1', `dnl') 185364562SgshapiroR<REJECT> $* $#error ifdef(`confREJECT_MSG', `$: "confREJECT_MSG"', `$@ 5.7.1 $: "550 Access denied"') 185464562Sgshapirodnl error tag 185564562SgshapiroR<ERROR:$-.$-.$-:$+> $* $#error $@ $1.$2.$3 $: $4 185664562SgshapiroR<ERROR:$+> $* $#error $: $1 185790792Sgshapiroifdef(`_ATMPF_', `R<_ATMPF_> $* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 185864562Sgshapirodnl generic error from access map 185964562SgshapiroR<$+> $* $#error $: $1 error from access db', 186038032Speter`dnl') 186138032Speter 186238032Speter###################################################################### 186338032Speter### check_rcpt -- check SMTP ``RCPT TO:'' command argument 186438032Speter###################################################################### 186538032Speter 186638032SpeterSLocal_check_rcpt 186764562SgshapiroScheck`'_U_`'rcpt 186838032SpeterR$* $: $1 $| $>"Local_check_rcpt" $1 186938032SpeterR$* $| $#$* $#$2 187038032SpeterR$* $| $* $@ $>"Basic_check_rcpt" $1 187138032Speter 187238032SpeterSBasic_check_rcpt 187390792Sgshapiro# empty address? 187490792SgshapiroR<> $#error $@ nouser $: "553 User address required" 187590792SgshapiroR$@ $#error $@ nouser $: "553 User address required" 187638032Speter# check for deferred delivery mode 187738032SpeterR$* $: < ${deliveryMode} > $1 187838032SpeterR< d > $* $@ deferred 187938032SpeterR< $* > $* $: $2 188038032Speter 188164562Sgshapiroifdef(`_REQUIRE_QUAL_RCPT_', `dnl 188290792Sgshapirodnl this code checks for user@host where host is not a FQHN. 188390792Sgshapirodnl it is not activated. 188490792Sgshapirodnl notice: code to check for a recipient without a domain name is 188590792Sgshapirodnl available down below; look for the same macro. 188690792Sgshapirodnl this check is done here because the name might be qualified by the 188790792Sgshapirodnl canonicalization. 188890792Sgshapiro# require fully qualified domain part? 188990792Sgshapirodnl very simple canonification: make sure the address is in < > 189064562SgshapiroR$+ $: <?> $1 189190792SgshapiroR<?> <$+> $: <@> <$1> 189290792SgshapiroR<?> $+ $: <@> <$1> 189390792SgshapiroR<@> < postmaster > $: postmaster 189490792SgshapiroR<@> < $* @ $+ . $+ > $: < $3 @ $4 . $5 > 189564562Sgshapirodnl prepend daemon_flags 189690792SgshapiroR<@> $* $: $&{daemon_flags} $| <@> $1 189764562Sgshapirodnl workspace: ${daemon_flags} $| <@> <address> 189864562Sgshapirodnl do not allow these at all or only from local systems? 189990792SgshapiroR$* r $* $| <@> < $* @ $* > $: < ? $&{client_name} > < $3 @ $4 > 190064562SgshapiroR<?> < $* > $: <$1> 190164562SgshapiroR<? $=w> < $* > $: <$1> 190290792SgshapiroR<? $+> <$+> $#error $@ 5.5.4 $: "553 Fully qualified domain name required" 190364562Sgshapirodnl remove daemon_flags for other cases 190464562SgshapiroR$* $| <@> $* $: $2', `dnl') 190564562Sgshapiro 190690792Sgshapirodnl ################################################################## 190790792Sgshapirodnl call subroutines for recipient and relay 190890792Sgshapirodnl possible returns from subroutines: 190990792Sgshapirodnl $#TEMP temporary failure 191090792Sgshapirodnl $#error permanent failure (or temporary if from access map) 191190792Sgshapirodnl $#other stop processing 191290792Sgshapirodnl RELAY RELAYing allowed 191390792Sgshapirodnl other otherwise 191490792Sgshapiro###################################################################### 191590792SgshapiroR$* $: $1 $| @ $>"Rcpt_ok" $1 191690792Sgshapirodnl temporary failure? remove mark @ and remember 191790792SgshapiroR$* $| @ $#TEMP $+ $: $1 $| T $2 191890792Sgshapirodnl error or ok (stop) 191990792SgshapiroR$* $| @ $#$* $#$2 192090792Sgshapiroifdef(`_PROMISCUOUS_RELAY_', `divert(-1)', `dnl') 192190792SgshapiroR$* $| @ RELAY $@ RELAY 192290792Sgshapirodnl something else: call check sender (relay) 192390792SgshapiroR$* $| @ $* $: O $| $>"Relay_ok" $1 192490792Sgshapirodnl temporary failure: call check sender (relay) 192590792SgshapiroR$* $| T $+ $: T $2 $| $>"Relay_ok" $1 192690792Sgshapirodnl temporary failure? return that 192790792SgshapiroR$* $| $#TEMP $+ $#error $2 192890792Sgshapirodnl error or ok (stop) 192990792SgshapiroR$* $| $#$* $#$2 193090792SgshapiroR$* $| RELAY $@ RELAY 193190792Sgshapirodnl something else: return previous temp failure 193290792SgshapiroR T $+ $| $* $#error $1 193390792Sgshapiro# anything else is bogus 193490792SgshapiroR$* $#error $@ 5.7.1 $: confRELAY_MSG 193590792Sgshapirodivert(0) 193690792Sgshapiro 193790792Sgshapiro###################################################################### 193890792Sgshapiro### Rcpt_ok: is the recipient ok? 193990792Sgshapirodnl input: recipient address (RCPT TO) 194090792Sgshapirodnl output: see explanation at call 194190792Sgshapiro###################################################################### 194290792SgshapiroSRcpt_ok 194338032Speterifdef(`_LOOSE_RELAY_CHECK_',`dnl 194442575SpeterR$* $: $>CanonAddr $1 194538032SpeterR$* < @ $* . > $1 < @ $2 > strip trailing dots', 194638032Speter`R$* $: $>ParseRecipient $1 strip relayable hosts') 194738032Speter 194842575Speterifdef(`_BESTMX_IS_LOCAL_',`dnl 194942575Speterifelse(_BESTMX_IS_LOCAL_, `', `dnl 195042575Speter# unlimited bestmx 195142575SpeterR$* < @ $* > $* $: $1 < @ $2 @@ $(bestmx $2 $) > $3', 195242575Speter`dnl 195342575Speter# limit bestmx to $=B 195443730SpeterR$* < @ $* $=B > $* $: $1 < @ $2 $3 @@ $(bestmx $2 $3 $) > $4') 195590792SgshapiroR$* $=O $* < @ $* @@ $=w . > $* $@ $>"Rcpt_ok" $1 $2 $3 195642575SpeterR$* < @ $* @@ $=w . > $* $: $1 < @ $3 > $4 195742575SpeterR$* < @ $* @@ $* > $* $: $1 < @ $2 > $4') 195842575Speter 195938032Speterifdef(`_BLACKLIST_RCPT_',`dnl 196064562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 196138032Speter# blacklist local users or any host from receiving mail 196238032SpeterR$* $: <?> $1 196364562Sgshapirodnl user is now tagged with @ to be consistent with check_mail 196464562Sgshapirodnl and to distinguish users from hosts (com would be host, com@ would be user) 196590792SgshapiroR<?> $+ < @ $=w > $: <> <$1 < @ $2 >> $| <F:$1@$2> <U:$1@> <D:$2> 196690792SgshapiroR<?> $+ < @ $* > $: <> <$1 < @ $2 >> $| <F:$1@$2> <D:$2> 196764562SgshapiroR<?> $+ $: <> <$1> $| <U:$1@> 196864562Sgshapirodnl $| is used as delimiter, otherwise false matches may occur: <user<@domain>> 196964562Sgshapirodnl will only return user<@domain when "reversing" the args 197090792SgshapiroR<> <$*> $| <$+> $: <@> <$1> $| $>SearchList <+ To> $| <$2> <> 197164562SgshapiroR<@> <$*> $| <$*> $: <$2> <$1> reverse result 197264562SgshapiroR<?> <$*> $: @ $1 mark address as no match 197390792Sgshapirodnl we may have to filter here because otherwise some RHSs 197490792Sgshapirodnl would be interpreted as generic error messages... 197590792Sgshapirodnl error messages should be "tagged" by prefixing them with error: ! 197690792Sgshapirodnl that would make a lot of things easier. 197764562SgshapiroR<$={Accept}> <$*> $: @ $2 mark address as no match 197890792Sgshapiroifdef(`_ACCESS_SKIP_', `dnl 197990792SgshapiroR<SKIP> <$*> $: @ $1 mark address as no match', `dnl') 198090792Sgshapiroifdef(`_DELAY_COMPAT_8_10_',`dnl 198190792Sgshapirodnl compatility with 8.11/8.10: 198264562Sgshapirodnl we have to filter these because otherwise they would be interpreted 198364562Sgshapirodnl as generic error message... 198464562Sgshapirodnl error messages should be "tagged" by prefixing them with error: ! 198564562Sgshapirodnl that would make a lot of things easier. 198664562Sgshapirodnl maybe we should stop checks already here (if SPAM_xyx)? 198764562SgshapiroR<$={SpamTag}> <$*> $: @ $2 mark address as no match') 198890792SgshapiroR<REJECT> $* $#error $@ 5.2.1 $: confRCPTREJ_MSG 198964562SgshapiroR<DISCARD> $* $#discard $: discard 199090792Sgshapiroifdef(`_FFR_QUARANTINE', 199190792Sgshapiro`R<QUARANTINE:$+> $* $#error $@ quarantine $: $1', `dnl') 199264562Sgshapirodnl error tag 199364562SgshapiroR<ERROR:$-.$-.$-:$+> $* $#error $@ $1.$2.$3 $: $4 199464562SgshapiroR<ERROR:$+> $* $#error $: $1 199590792Sgshapiroifdef(`_ATMPF_', `R<_ATMPF_> $* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 199664562Sgshapirodnl generic error from access map 199764562SgshapiroR<$+> $* $#error $: $1 error from access db 199864562SgshapiroR@ $* $1 remove mark', `dnl')', `dnl') 199938032Speter 200090792Sgshapiroifdef(`_PROMISCUOUS_RELAY_', `divert(-1)', `dnl') 200190792Sgshapiro# authenticated via TLS? 200290792SgshapiroR$* $: $1 $| $>RelayTLS client authenticated? 200390792SgshapiroR$* $| $# $+ $# $2 error/ok? 200490792SgshapiroR$* $| $* $: $1 no 200564562Sgshapiro 200690792SgshapiroR$* $: $1 $| $>"Local_Relay_Auth" $&{auth_type} 200790792Sgshapirodnl workspace: localpart<@domain> $| result of Local_Relay_Auth 200890792SgshapiroR$* $| $# $* $# $2 200990792Sgshapirodnl if Local_Relay_Auth returns NO then do not check $={TrustAuthMech} 201090792SgshapiroR$* $| NO $: $1 201190792SgshapiroR$* $| $* $: $1 $| $&{auth_type} 201290792Sgshapirodnl workspace: localpart<@domain> [ $| ${auth_type} ] 201364562Sgshapirodnl empty ${auth_type}? 201464562SgshapiroR$* $| $: $1 201564562Sgshapirodnl mechanism ${auth_type} accepted? 201664562Sgshapirodnl use $# to override further tests (delay_checks): see check_rcpt below 201790792SgshapiroR$* $| $={TrustAuthMech} $# RELAY 201890792Sgshapirodnl remove ${auth_type} 201964562SgshapiroR$* $| $* $: $1 202071345Sgshapirodnl workspace: localpart<@domain> | localpart 202164562Sgshapiroifelse(defn(`_NO_UUCP_'), `r', 202271345Sgshapiro`R$* ! $* < @ $* > $: <REMOTE> $2 < @ BANG_PATH > 202371345SgshapiroR$* ! $* $: <REMOTE> $2 < @ BANG_PATH >', `dnl') 202438032Speter# anything terminating locally is ok 202538032Speterifdef(`_RELAY_ENTIRE_DOMAIN_', `dnl 202690792SgshapiroR$+ < @ $* $=m > $@ RELAY', `dnl') 202790792SgshapiroR$+ < @ $=w > $@ RELAY 202838032Speterifdef(`_RELAY_HOSTS_ONLY_', 202990792Sgshapiro`R$+ < @ $=R > $@ RELAY 203064562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 203164562SgshapiroR$+ < @ $+ > $: <$(access To:$2 $: ? $)> <$1 < @ $2 >> 203264562Sgshapirodnl workspace: <Result-of-lookup | ?> <localpart<@domain>> 203364562SgshapiroR<?> <$+ < @ $+ >> $: <$(access $2 $: ? $)> <$1 < @ $2 >>',`dnl')', 203490792Sgshapiro`R$+ < @ $* $=R > $@ RELAY 203564562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 203690792SgshapiroR$+ < @ $+ > $: $>D <$2> <?> <+ To> <$1 < @ $2 >>',`dnl')') 203764562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 203864562Sgshapirodnl workspace: <Result-of-lookup | ?> <localpart<@domain>> 203990792SgshapiroR<RELAY> $* $@ RELAY 204090792Sgshapiroifdef(`_ATMPF_', `R<$* _ATMPF_> $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 204138032SpeterR<$*> <$*> $: $2',`dnl') 204238032Speter 204364562Sgshapiro 204438032Speterifdef(`_RELAY_MX_SERVED_', `dnl 204538032Speter# allow relaying for hosts which we MX serve 204664562SgshapiroR$+ < @ $+ > $: < : $(mxserved $2 $) : > $1 < @ $2 > 204764562Sgshapirodnl this must not necessarily happen if the client is checked first... 204890792SgshapiroR< : $* <TEMP> : > $* $#TEMP $@ 4.7.1 $: "450 Can not check MX records for recipient host " $1 204990792SgshapiroR<$* : $=w . : $*> $* $@ RELAY 205042575SpeterR< : $* : > $* $: $2', 205138032Speter`dnl') 205238032Speter 205338032Speter# check for local user (i.e. unqualified address) 205438032SpeterR$* $: <?> $1 205542575SpeterR<?> $* < @ $+ > $: <REMOTE> $1 < @ $2 > 205638032Speter# local user is ok 205764562Sgshapirodnl is it really? the standard requires user@domain, not just user 205864562Sgshapirodnl but we should accept it anyway (maybe making it an option: 205964562Sgshapirodnl RequireFQDN ?) 206064562Sgshapirodnl postmaster must be accepted without domain (DRUMS) 206164562Sgshapiroifdef(`_REQUIRE_QUAL_RCPT_', `dnl 206290792SgshapiroR<?> postmaster $@ OK 206364562Sgshapiro# require qualified recipient? 206464562Sgshapirodnl prepend daemon_flags 206564562SgshapiroR<?> $+ $: $&{daemon_flags} $| <?> $1 206664562Sgshapirodnl workspace: ${daemon_flags} $| <?> localpart 206764562Sgshapirodnl do not allow these at all or only from local systems? 206864562Sgshapirodnl r flag? add client_name 206964562SgshapiroR$* r $* $| <?> $+ $: < ? $&{client_name} > <?> $3 207064562Sgshapirodnl no r flag: relay to local user (only local part) 207164562Sgshapiro# no qualified recipient required 207290792SgshapiroR$* $| <?> $+ $@ RELAY 207364562Sgshapirodnl client_name is empty 207490792SgshapiroR<?> <?> $+ $@ RELAY 207564562Sgshapirodnl client_name is local 207690792SgshapiroR<? $=w> <?> $+ $@ RELAY 207764562Sgshapirodnl client_name is not local 207864562SgshapiroR<? $+> $+ $#error $@ 5.5.4 $: "553 Domain name required"', `dnl 207964562Sgshapirodnl no qualified recipient required 208090792SgshapiroR<?> $+ $@ RELAY') 208164562Sgshapirodnl it is a remote user: remove mark and then check client 208238032SpeterR<$+> $* $: $2 208364562Sgshapirodnl currently the recipient address is not used below 208438032Speter 208590792Sgshapiro###################################################################### 208690792Sgshapiro### Relay_ok: is the relay/sender ok? 208790792Sgshapirodnl input: ignored 208890792Sgshapirodnl output: see explanation at call 208990792Sgshapiro###################################################################### 209090792SgshapiroSRelay_ok 209138032Speter# anything originating locally is ok 209264562Sgshapiro# check IP address 209364562SgshapiroR$* $: $&{client_addr} 209490792SgshapiroR$@ $@ RELAY originated locally 209590792SgshapiroR0 $@ RELAY originated locally 209690792SgshapiroR$=R $* $@ RELAY relayable IP address 209764562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 209890792SgshapiroR$* $: $>A <$1> <?> <+ Connect> <$1> 209990792SgshapiroR<RELAY> $* $@ RELAY relayable IP address 210090792Sgshapiroifdef(`_ATMPF_', `R<_ATMPF_> $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 210164562SgshapiroR<$*> <$*> $: $2', `dnl') 210264562SgshapiroR$* $: [ $1 ] put brackets around it... 210390792SgshapiroR$=w $@ RELAY ... and see if it is local 210464562Sgshapiro 210564562Sgshapiroifdef(`_RELAY_DB_FROM_', `define(`_RELAY_MAIL_FROM_', `1')')dnl 210664562Sgshapiroifdef(`_RELAY_LOCAL_FROM_', `define(`_RELAY_MAIL_FROM_', `1')')dnl 210764562Sgshapiroifdef(`_RELAY_MAIL_FROM_', `dnl 210864562Sgshapirodnl input: {client_addr} or something "broken" 210964562Sgshapirodnl just throw the input away; we do not need it. 211064562Sgshapiro# check whether FROM is allowed to use system as relay 211164562SgshapiroR$* $: <?> $>CanonAddr $&f 211290792SgshapiroR<?> $+ < @ $+ . > <?> $1 < @ $2 > remove trailing dot 211364562Sgshapiroifdef(`_RELAY_LOCAL_FROM_', `dnl 211464562Sgshapiro# check whether local FROM is ok 211590792SgshapiroR<?> $+ < @ $=w > $@ RELAY FROM local', `dnl') 211664562Sgshapiroifdef(`_RELAY_DB_FROM_', `dnl 211794334SgshapiroR<?> $+ < @ $+ > $: <@> $>SearchList <! From> $| <F:$1@$2> ifdef(`_RELAY_DB_FROM_DOMAIN_', ifdef(`_RELAY_HOSTS_ONLY_', `<E:$2>', `<D:$2>')) <> 211890792SgshapiroR<@> <RELAY> $@ RELAY RELAY FROM sender ok 211990792Sgshapiroifdef(`_ATMPF_', `R<@> <_ATMPF_> $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 212090792Sgshapiro', `dnl 212190792Sgshapiroifdef(`_RELAY_DB_FROM_DOMAIN_', 212290792Sgshapiro`errprint(`*** ERROR: _RELAY_DB_FROM_DOMAIN_ requires _RELAY_DB_FROM_ 212364562Sgshapiro')', 212464562Sgshapiro`dnl') 212564562Sgshapirodnl')', `dnl') 212690792Sgshapirodnl notice: the rulesets above do not leave a unique workspace behind. 212790792Sgshapirodnl it does not matter in this case because the following rule ignores 212890792Sgshapirodnl the input. otherwise these rules must "clean up" the workspace. 212964562Sgshapiro 213064562Sgshapiro# check client name: first: did it resolve? 213164562Sgshapirodnl input: ignored 213264562SgshapiroR$* $: < $&{client_resolve} > 213390792SgshapiroR<TEMP> $#TEMP $@ 4.7.1 $: "450 Relaying temporarily denied. Cannot resolve PTR record for " $&{client_addr} 213464562SgshapiroR<FORGED> $#error $@ 5.7.1 $: "550 Relaying denied. IP name possibly forged " $&{client_name} 213564562SgshapiroR<FAIL> $#error $@ 5.7.1 $: "550 Relaying denied. IP name lookup failed " $&{client_name} 213664562Sgshapirodnl ${client_resolve} should be OK, so go ahead 213790792SgshapiroR$* $: <@> $&{client_name} 213890792Sgshapirodnl should not be necessary since it has been done for client_addr already 213990792SgshapiroR<@> $@ RELAY 214090792Sgshapirodnl workspace: <@> ${client_name} (not empty) 214138032Speter# pass to name server to make hostname canonical 214290792SgshapiroR<@> $* $=P $:<?> $1 $2 214390792SgshapiroR<@> $+ $:<?> $[ $1 $] 214490792Sgshapirodnl workspace: <?> ${client_name} (canonified) 214564562SgshapiroR$* . $1 strip trailing dots 214638032Speterifdef(`_RELAY_ENTIRE_DOMAIN_', `dnl 214790792SgshapiroR<?> $* $=m $@ RELAY', `dnl') 214890792SgshapiroR<?> $=w $@ RELAY 214938032Speterifdef(`_RELAY_HOSTS_ONLY_', 215090792Sgshapiro`R<?> $=R $@ RELAY 215164562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 215264562SgshapiroR<?> $* $: <$(access Connect:$1 $: ? $)> <$1> 215364562SgshapiroR<?> <$*> $: <$(access $1 $: ? $)> <$1>',`dnl')', 215490792Sgshapiro`R<?> $* $=R $@ RELAY 215564562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 215690792SgshapiroR<?> $* $: $>D <$1> <?> <+ Connect> <$1>',`dnl')') 215764562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 215890792SgshapiroR<RELAY> $* $@ RELAY 215990792Sgshapiroifdef(`_ATMPF_', `R<$* _ATMPF_> $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 216038032SpeterR<$*> <$*> $: $2',`dnl') 216190792Sgshapirodnl end of _PROMISCUOUS_RELAY_ 216264562Sgshapirodivert(0) 216364562Sgshapiroifdef(`_DELAY_CHECKS_',`dnl 216464562Sgshapiro# turn a canonical address in the form user<@domain> 216564562Sgshapiro# qualify unqual. addresses with $j 216664562Sgshapirodnl it might have been only user (without <@domain>) 216764562SgshapiroSFullAddr 216864562SgshapiroR$* <@ $+ . > $1 <@ $2 > 216964562SgshapiroR$* <@ $* > $@ $1 <@ $2 > 217064562SgshapiroR$+ $@ $1 <@ $j > 217138032Speter 217264562Sgshapiro# call all necessary rulesets 217364562SgshapiroScheck_rcpt 217464562Sgshapirodnl this test should be in the Basic_check_rcpt ruleset 217564562Sgshapirodnl which is the correct DSN code? 217664562Sgshapiro# R$@ $#error $@ 5.1.3 $: "553 Recipient address required" 217764562SgshapiroR$+ $: $1 $| $>checkrcpt $1 217864562Sgshapirodnl now we can simply stop checks by returning "$# xyz" instead of just "ok" 217964562SgshapiroR$+ $| $#$* $#$2 218064562SgshapiroR$+ $| $* $: <?> $>FullAddr $>CanonAddr $1 218164562Sgshapiroifdef(`_SPAM_FH_', 218264562Sgshapiro`dnl lookup user@ and user@address 218364562Sgshapiroifdef(`_ACCESS_TABLE_', `', 218464562Sgshapiro`errprint(`*** ERROR: FEATURE(`delay_checks', `argument') requires FEATURE(`access_db') 218564562Sgshapiro')')dnl 218664562Sgshapirodnl one of the next two rules is supposed to match 218764562Sgshapirodnl this code has been copied from BLACKLIST... etc 218864562Sgshapirodnl and simplified by omitting some < >. 218990792SgshapiroR<?> $+ < @ $=w > $: <> $1 < @ $2 > $| <F: $1@$2 > <D: $2 > <U: $1@> 219090792SgshapiroR<?> $+ < @ $* > $: <> $1 < @ $2 > $| <F: $1@$2 > <D: $2 > 219164562Sgshapirodnl R<?> $@ something_is_very_wrong_here 219290792Sgshapiro# lookup the addresses only with Spam tag 219390792SgshapiroR<> $* $| <$+> $: <@> $1 $| $>SearchList <! Spam> $| <$2> <> 219464562SgshapiroR<@> $* $| $* $: $2 $1 reverse result 219564562Sgshapirodnl', `dnl') 219664562Sgshapiroifdef(`_SPAM_FRIEND_', 219764562Sgshapiro`# is the recipient a spam friend? 219864562Sgshapiroifdef(`_SPAM_HATER_', 219964562Sgshapiro `errprint(`*** ERROR: define either SpamHater or SpamFriend 220064562Sgshapiro')', `dnl') 220190792SgshapiroR<FRIEND> $+ $@ SPAMFRIEND 220264562SgshapiroR<$*> $+ $: $2', 220364562Sgshapiro`dnl') 220464562Sgshapiroifdef(`_SPAM_HATER_', 220564562Sgshapiro`# is the recipient no spam hater? 220690792SgshapiroR<HATER> $+ $: $1 spam hater: continue checks 220764562SgshapiroR<$*> $+ $@ NOSPAMHATER everyone else: stop 220864562Sgshapirodnl',`dnl') 220964562Sgshapirodnl run further checks: check_mail 221064562Sgshapirodnl should we "clean up" $&f? 221190792Sgshapiroifdef(`_FFR_MAIL_MACRO', 221290792Sgshapiro`R$* $: $1 $| $>checkmail $&{mail_from}', 221390792Sgshapiro`R$* $: $1 $| $>checkmail <$&f>') 221494334Sgshapirodnl recipient (canonical format) $| result of checkmail 221564562SgshapiroR$* $| $#$* $#$2 221664562Sgshapirodnl run further checks: check_relay 221794334SgshapiroR$* $| $* $: $1 $| $>checkrelay $&{client_name} $| $&{client_addr} 221864562SgshapiroR$* $| $#$* $#$2 221938032SpeterR$* $| $* $: $1 222038032Speter', `dnl') 222190792Sgshapiro 222290792Sgshapiroifdef(`_ACCESS_TABLE_', `dnl', `divert(-1)') 222364562Sgshapiro###################################################################### 222490792Sgshapiro### F: LookUpFull -- search for an entry in access database 222590792Sgshapiro### 222690792Sgshapiro### lookup of full key (which should be an address) and 222790792Sgshapiro### variations if +detail exists: +* and without +detail 222890792Sgshapiro### 222990792Sgshapiro### Parameters: 223090792Sgshapiro### <$1> -- key 223190792Sgshapiro### <$2> -- default (what to return if not found in db) 223290792Sgshapirodnl must not be empty 223390792Sgshapiro### <$3> -- mark (must be <(!|+) single-token>) 223490792Sgshapiro### ! does lookup only with tag 223590792Sgshapiro### + does lookup with and without tag 223690792Sgshapiro### <$4> -- passthru (additional data passed unchanged through) 223790792Sgshapirodnl returns: <default> <passthru> 223890792Sgshapirodnl <result> <passthru> 223990792Sgshapiro###################################################################### 224090792Sgshapiro 224190792SgshapiroSF 224290792Sgshapirodnl workspace: <key> <def> <o tag> <thru> 224390792Sgshapirodnl full lookup 224490792Sgshapirodnl 2 3 4 5 224590792SgshapiroR<$+> <$*> <$- $-> <$*> $: <$(access $4`'_TAG_DELIM_`'$1 $: ? $)> <$1> <$2> <$3 $4> <$5> 224690792Sgshapirodnl no match, try without tag 224790792Sgshapirodnl 1 2 3 4 224890792SgshapiroR<?> <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4> 224990792Sgshapirodnl no match, +detail: try +* 225090792Sgshapirodnl 1 2 3 4 5 6 7 225190792SgshapiroR<?> <$+ + $* @ $+> <$*> <$- $-> <$*> 225290792Sgshapiro $: <$(access $6`'_TAG_DELIM_`'$1+*@$3 $: ? $)> <$1+$2@$3> <$4> <$5 $6> <$7> 225390792Sgshapirodnl no match, +detail: try +* without tag 225490792Sgshapirodnl 1 2 3 4 5 6 225590792SgshapiroR<?> <$+ + $* @ $+> <$*> <+ $-> <$*> 225690792Sgshapiro $: <$(access $1+*@$3 $: ? $)> <$1+$2@$3> <$4> <+ $5> <$6> 225790792Sgshapirodnl no match, +detail: try without +detail 225890792Sgshapirodnl 1 2 3 4 5 6 7 225990792SgshapiroR<?> <$+ + $* @ $+> <$*> <$- $-> <$*> 226090792Sgshapiro $: <$(access $6`'_TAG_DELIM_`'$1@$3 $: ? $)> <$1+$2@$3> <$4> <$5 $6> <$7> 226190792Sgshapirodnl no match, +detail: try without +detail and without tag 226290792Sgshapirodnl 1 2 3 4 5 6 226390792SgshapiroR<?> <$+ + $* @ $+> <$*> <+ $-> <$*> 226490792Sgshapiro $: <$(access $1@$3 $: ? $)> <$1+$2@$3> <$4> <+ $5> <$6> 226590792Sgshapirodnl no match, return <default> <passthru> 226690792Sgshapirodnl 1 2 3 4 5 226790792SgshapiroR<?> <$+> <$*> <$- $-> <$*> $@ <$2> <$5> 226890792Sgshapiroifdef(`_ATMPF_', `dnl tempfail? 226990792Sgshapirodnl 2 3 4 5 227090792SgshapiroR<$+ _ATMPF_> <$*> <$- $-> <$*> $@ <_ATMPF_> <$5>', `dnl') 227190792Sgshapirodnl match, return <match> <passthru> 227290792Sgshapirodnl 2 3 4 5 227390792SgshapiroR<$+> <$*> <$- $-> <$*> $@ <$1> <$5> 227490792Sgshapiro 227590792Sgshapiro###################################################################### 227690792Sgshapiro### E: LookUpExact -- search for an entry in access database 227790792Sgshapiro### 227890792Sgshapiro### Parameters: 227990792Sgshapiro### <$1> -- key 228090792Sgshapiro### <$2> -- default (what to return if not found in db) 228190792Sgshapirodnl must not be empty 228290792Sgshapiro### <$3> -- mark (must be <(!|+) single-token>) 228390792Sgshapiro### ! does lookup only with tag 228490792Sgshapiro### + does lookup with and without tag 228590792Sgshapiro### <$4> -- passthru (additional data passed unchanged through) 228690792Sgshapirodnl returns: <default> <passthru> 228790792Sgshapirodnl <result> <passthru> 228890792Sgshapiro###################################################################### 228990792Sgshapiro 229090792SgshapiroSE 229190792Sgshapirodnl 2 3 4 5 229290792SgshapiroR<$*> <$*> <$- $-> <$*> $: <$(access $4`'_TAG_DELIM_`'$1 $: ? $)> <$1> <$2> <$3 $4> <$5> 229390792Sgshapirodnl no match, try without tag 229490792Sgshapirodnl 1 2 3 4 229590792SgshapiroR<?> <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4> 229690792Sgshapirodnl no match, return default passthru 229790792Sgshapirodnl 1 2 3 4 5 229890792SgshapiroR<?> <$+> <$*> <$- $-> <$*> $@ <$2> <$5> 229990792Sgshapiroifdef(`_ATMPF_', `dnl tempfail? 230090792Sgshapirodnl 2 3 4 5 230190792SgshapiroR<$+ _ATMPF_> <$*> <$- $-> <$*> $@ <_ATMPF_> <$5>', `dnl') 230290792Sgshapirodnl match, return <match> <passthru> 230390792Sgshapirodnl 2 3 4 5 230490792SgshapiroR<$+> <$*> <$- $-> <$*> $@ <$1> <$5> 230590792Sgshapiro 230690792Sgshapiro###################################################################### 230790792Sgshapiro### U: LookUpUser -- search for an entry in access database 230890792Sgshapiro### 230990792Sgshapiro### lookup of key (which should be a local part) and 231090792Sgshapiro### variations if +detail exists: +* and without +detail 231190792Sgshapiro### 231290792Sgshapiro### Parameters: 231390792Sgshapiro### <$1> -- key (user@) 231490792Sgshapiro### <$2> -- default (what to return if not found in db) 231590792Sgshapirodnl must not be empty 231690792Sgshapiro### <$3> -- mark (must be <(!|+) single-token>) 231790792Sgshapiro### ! does lookup only with tag 231890792Sgshapiro### + does lookup with and without tag 231990792Sgshapiro### <$4> -- passthru (additional data passed unchanged through) 232090792Sgshapirodnl returns: <default> <passthru> 232190792Sgshapirodnl <result> <passthru> 232290792Sgshapiro###################################################################### 232390792Sgshapiro 232490792SgshapiroSU 232590792Sgshapirodnl user lookups are always with trailing @ 232690792Sgshapirodnl 2 3 4 5 232790792SgshapiroR<$+> <$*> <$- $-> <$*> $: <$(access $4`'_TAG_DELIM_`'$1 $: ? $)> <$1> <$2> <$3 $4> <$5> 232890792Sgshapirodnl no match, try without tag 232990792Sgshapirodnl 1 2 3 4 233090792SgshapiroR<?> <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4> 233190792Sgshapirodnl do not remove the @ from the lookup: 233290792Sgshapirodnl it is part of the +detail@ which is omitted for the lookup 233390792Sgshapirodnl no match, +detail: try +* 233490792Sgshapirodnl 1 2 3 4 5 6 233590792SgshapiroR<?> <$+ + $* @> <$*> <$- $-> <$*> 233690792Sgshapiro $: <$(access $5`'_TAG_DELIM_`'$1+*@ $: ? $)> <$1+$2@> <$3> <$4 $5> <$6> 233790792Sgshapirodnl no match, +detail: try +* without tag 233890792Sgshapirodnl 1 2 3 4 5 233990792SgshapiroR<?> <$+ + $* @> <$*> <+ $-> <$*> 234090792Sgshapiro $: <$(access $1+*@ $: ? $)> <$1+$2@> <$3> <+ $4> <$5> 234190792Sgshapirodnl no match, +detail: try without +detail 234290792Sgshapirodnl 1 2 3 4 5 6 234390792SgshapiroR<?> <$+ + $* @> <$*> <$- $-> <$*> 234490792Sgshapiro $: <$(access $5`'_TAG_DELIM_`'$1@ $: ? $)> <$1+$2@> <$3> <$4 $5> <$6> 234590792Sgshapirodnl no match, +detail: try without +detail and without tag 234690792Sgshapirodnl 1 2 3 4 5 234790792SgshapiroR<?> <$+ + $* @> <$*> <+ $-> <$*> 234890792Sgshapiro $: <$(access $1@ $: ? $)> <$1+$2@> <$3> <+ $4> <$5> 234990792Sgshapirodnl no match, return <default> <passthru> 235090792Sgshapirodnl 1 2 3 4 5 235190792SgshapiroR<?> <$+> <$*> <$- $-> <$*> $@ <$2> <$5> 235290792Sgshapiroifdef(`_ATMPF_', `dnl tempfail? 235390792Sgshapirodnl 2 3 4 5 235490792SgshapiroR<$+ _ATMPF_> <$*> <$- $-> <$*> $@ <_ATMPF_> <$5>', `dnl') 235590792Sgshapirodnl match, return <match> <passthru> 235690792Sgshapirodnl 2 3 4 5 235790792SgshapiroR<$+> <$*> <$- $-> <$*> $@ <$1> <$5> 235890792Sgshapiro 235990792Sgshapiro###################################################################### 236064562Sgshapiro### SearchList: search a list of items in the access map 236164562Sgshapiro### Parameters: 236264562Sgshapiro### <exact tag> $| <mark:address> <mark:address> ... <> 236364562Sgshapirodnl maybe we should have a @ (again) in front of the mark to 236464562Sgshapirodnl avoid errorneous matches (with error messages?) 236564562Sgshapirodnl if we can make sure that tag is always a single token 236664562Sgshapirodnl then we can omit the delimiter $|, otherwise we need it 236790792Sgshapirodnl to avoid errorneous matchs (first rule: D: if there 236864562Sgshapirodnl is that mark somewhere in the list, it will be taken). 236964562Sgshapirodnl moreover, we can do some tricks to enforce lookup with 237064562Sgshapirodnl the tag only, e.g.: 237164562Sgshapiro### where "exact" is either "+" or "!": 237264562Sgshapiro### <+ TAG> lookup with and w/o tag 237364562Sgshapiro### <! TAG> lookup with tag 237464562Sgshapirodnl Warning: + and ! should be in OperatorChars (otherwise there must be 237564562Sgshapirodnl a blank between them and the tag. 237664562Sgshapiro### possible values for "mark" are: 237790792Sgshapiro### D: recursive host lookup (LookUpDomain) 237864562Sgshapirodnl A: recursive address lookup (LookUpAddress) [not yet required] 237964562Sgshapiro### E: exact lookup, no modifications 238064562Sgshapiro### F: full lookup, try user+ext@domain and user@domain 238164562Sgshapiro### U: user lookup, try user+ext and user (input must have trailing @) 238264562Sgshapiro### return: <RHS of lookup> or <?> (not found) 238364562Sgshapiro###################################################################### 238438032Speter 238564562Sgshapiro# class with valid marks for SearchList 238664562Sgshapirodnl if A is activated: add it 238790792SgshapiroC{src}E F D U ifdef(`_FFR_SRCHLIST_A', `A') 238864562SgshapiroSSearchList 238990792Sgshapiro# just call the ruleset with the name of the tag... nice trick... 239090792Sgshapirodnl 2 3 4 239190792SgshapiroR<$+> $| <$={src}:$*> <$*> $: <$1> $| <$4> $| $>$2 <$3> <?> <$1> <> 239290792Sgshapirodnl workspace: <o tag> $| <rest> $| <result of lookup> <> 239390792Sgshapirodnl no match and nothing left: return 239490792SgshapiroR<$+> $| <> $| <?> <> $@ <?> 239590792Sgshapirodnl no match but something left: continue 239690792SgshapiroR<$+> $| <$+> $| <?> <> $@ $>SearchList <$1> $| <$2> 239790792Sgshapirodnl match: return 239890792SgshapiroR<$+> $| <$*> $| <$+> <> $@ <$3> 239964562Sgshapirodnl return result from recursive invocation 240090792SgshapiroR<$+> $| <$+> $@ <$2> 240190792Sgshapirodnl endif _ACCESS_TABLE_ 240290792Sgshapirodivert(0) 240338032Speter 240490792Sgshapiro###################################################################### 240590792Sgshapiro### trust_auth: is user trusted to authenticate as someone else? 240690792Sgshapiro### 240790792Sgshapiro### Parameters: 240890792Sgshapiro### $1: AUTH= parameter from MAIL command 240990792Sgshapiro###################################################################### 241090792Sgshapiro 241190792Sgshapirodnl empty ruleset definition so it can be called 241290792SgshapiroSLocal_trust_auth 241364562SgshapiroStrust_auth 241464562SgshapiroR$* $: $&{auth_type} $| $1 241564562Sgshapiro# required by RFC 2554 section 4. 241664562SgshapiroR$@ $| $* $#error $@ 5.7.1 $: "550 not authenticated" 241764562Sgshapirodnl seems to be useful... 241864562SgshapiroR$* $| $&{auth_authen} $@ identical 241964562SgshapiroR$* $| <$&{auth_authen}> $@ identical 242064562Sgshapirodnl call user supplied code 242164562SgshapiroR$* $| $* $: $1 $| $>"Local_trust_auth" $1 242264562SgshapiroR$* $| $#$* $#$2 242364562Sgshapirodnl default: error 242464562SgshapiroR$* $#error $@ 5.7.1 $: "550 " $&{auth_authen} " not allowed to act as " $&{auth_author} 242564562Sgshapiro 242690792Sgshapiro###################################################################### 242790792Sgshapiro### Relay_Auth: allow relaying based on authentication? 242890792Sgshapiro### 242990792Sgshapiro### Parameters: 243090792Sgshapiro### $1: ${auth_type} 243190792Sgshapiro###################################################################### 243290792SgshapiroSLocal_Relay_Auth 243364562Sgshapiro 243490792Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 243590792Sgshapiro###################################################################### 243690792Sgshapiro### srv_features: which features to offer to a client? 243790792Sgshapiro### (done in server) 243890792Sgshapiro###################################################################### 243990792SgshapiroSsrv_features 244090792Sgshapiroifdef(`_LOCAL_SRV_FEATURES_', `dnl 244190792SgshapiroR$* $: $1 $| $>"Local_srv_features" $1 244290792SgshapiroR$* $| $#$* $#$2 244390792SgshapiroR$* $| $* $: $1', `dnl') 244490792SgshapiroR$* $: $>D <$&{client_name}> <?> <! SRV_FEAT_TAG> <> 244590792SgshapiroR<?>$* $: $>A <$&{client_addr}> <?> <! SRV_FEAT_TAG> <> 244690792SgshapiroR<?>$* $: <$(access SRV_FEAT_TAG`'_TAG_DELIM_ $: ? $)> 244764562SgshapiroR<?>$* $@ OK 244890792Sgshapiroifdef(`_ATMPF_', `dnl tempfail? 244990792SgshapiroR<$* _ATMPF_>$* $#temp', `dnl') 245090792SgshapiroR<$+>$* $# $1 245164562Sgshapiro 245290792Sgshapiro###################################################################### 245390792Sgshapiro### try_tls: try to use STARTTLS? 245490792Sgshapiro### (done in client) 245590792Sgshapiro###################################################################### 245664562SgshapiroStry_tls 245790792Sgshapiroifdef(`_LOCAL_TRY_TLS_', `dnl 245890792SgshapiroR$* $: $1 $| $>"Local_try_tls" $1 245990792SgshapiroR$* $| $#$* $#$2 246090792SgshapiroR$* $| $* $: $1', `dnl') 246190792SgshapiroR$* $: $>D <$&{server_name}> <?> <! TLS_TRY_TAG> <> 246290792SgshapiroR<?>$* $: $>A <$&{server_addr}> <?> <! TLS_TRY_TAG> <> 246390792SgshapiroR<?>$* $: <$(access TLS_TRY_TAG`'_TAG_DELIM_ $: ? $)> 246464562SgshapiroR<?>$* $@ OK 246590792Sgshapiroifdef(`_ATMPF_', `dnl tempfail? 246690792SgshapiroR<$* _ATMPF_>$* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 246771345SgshapiroR<NO>$* $#error $@ 5.7.1 $: "550 do not try TLS with " $&{server_name} " ["$&{server_addr}"]" 246890792Sgshapiro 246990792Sgshapiro###################################################################### 247090792Sgshapiro### tls_rcpt: is connection with server "good" enough? 247190792Sgshapiro### (done in client, per recipient) 247290792Sgshapirodnl called from deliver() before RCPT command 247390792Sgshapiro### 247490792Sgshapiro### Parameters: 247590792Sgshapiro### $1: recipient 247690792Sgshapiro###################################################################### 247790792SgshapiroStls_rcpt 247890792Sgshapiroifdef(`_LOCAL_TLS_RCPT_', `dnl 247990792SgshapiroR$* $: $1 $| $>"Local_tls_rcpt" $1 248090792SgshapiroR$* $| $#$* $#$2 248190792SgshapiroR$* $| $* $: $1', `dnl') 248290792Sgshapirodnl store name of other side 248390792SgshapiroR$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1 248490792Sgshapirodnl canonify recipient address 248590792SgshapiroR$+ $: <?> $>CanonAddr $1 248690792Sgshapirodnl strip trailing dots 248790792SgshapiroR<?> $+ < @ $+ . > <?> $1 <@ $2 > 248890792Sgshapirodnl full address? 248990792SgshapiroR<?> $+ < @ $+ > $: $1 <@ $2 > $| <F:$1@$2> <U:$1@> <D:$2> <E:> 249090792Sgshapirodnl only localpart? 249190792SgshapiroR<?> $+ $: $1 $| <U:$1@> <E:> 249290792Sgshapirodnl look it up 249390792Sgshapirodnl also look up a default value via E: 249490792SgshapiroR$* $| $+ $: $1 $| $>SearchList <! TLS_RCPT_TAG> $| $2 <> 249590792Sgshapirodnl found nothing: stop here 249690792SgshapiroR$* $| <?> $@ OK 249790792Sgshapiroifdef(`_ATMPF_', `dnl tempfail? 249890792SgshapiroR$* $| <$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 249990792Sgshapirodnl use the generic routine (for now) 250090792SgshapiroR$* $| <$+> $@ $>"TLS_connection" $&{verify} $| <$2>') 250164562Sgshapiro 250290792Sgshapiro###################################################################### 250390792Sgshapiro### tls_client: is connection with client "good" enough? 250490792Sgshapiro### (done in server) 250590792Sgshapiro### 250690792Sgshapiro### Parameters: 250790792Sgshapiro### ${verify} $| (MAIL|STARTTLS) 250890792Sgshapiro###################################################################### 250964562Sgshapirodnl MAIL: called from check_mail 251064562Sgshapirodnl STARTTLS: called from smtp() after STARTTLS has been accepted 251164562SgshapiroStls_client 251290792Sgshapiroifdef(`_LOCAL_TLS_CLIENT_', `dnl 251390792SgshapiroR$* $: $1 $| $>"Local_tls_client" $1 251490792SgshapiroR$* $| $#$* $#$2 251590792SgshapiroR$* $| $* $: $1', `dnl') 251664562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 251790792Sgshapirodnl store name of other side 251890792SgshapiroR$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1 251964562Sgshapirodnl ignore second arg for now 252064562Sgshapirodnl maybe use it to distinguish permanent/temporary error? 252164562Sgshapirodnl if MAIL: permanent (STARTTLS has not been offered) 252264562Sgshapirodnl if STARTTLS: temporary (offered but maybe failed) 252390792SgshapiroR$* $| $* $: $1 $| $>D <$&{client_name}> <?> <! TLS_CLT_TAG> <> 252490792SgshapiroR$* $| <?>$* $: $1 $| $>A <$&{client_addr}> <?> <! TLS_CLT_TAG> <> 252564562Sgshapirodnl do a default lookup: just TLS_CLT_TAG 252664562SgshapiroR$* $| <?>$* $: $1 $| <$(access TLS_CLT_TAG`'_TAG_DELIM_ $: ? $)> 252790792Sgshapiroifdef(`_ATMPF_', `dnl tempfail? 252890792SgshapiroR$* $| <$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 252990792SgshapiroR$* $@ $>"TLS_connection" $1', `dnl 253090792SgshapiroR$* $| $* $@ $>"TLS_connection" $1') 253164562Sgshapiro 253290792Sgshapiro###################################################################### 253390792Sgshapiro### tls_server: is connection with server "good" enough? 253490792Sgshapiro### (done in client) 253590792Sgshapiro### 253690792Sgshapiro### Parameter: 253790792Sgshapiro### ${verify} 253890792Sgshapiro###################################################################### 253964562Sgshapirodnl i.e. has the server been authenticated and is encryption active? 254064562Sgshapirodnl called from deliver() after STARTTLS command 254164562SgshapiroStls_server 254290792Sgshapiroifdef(`_LOCAL_TLS_SERVER_', `dnl 254390792SgshapiroR$* $: $1 $| $>"Local_tls_server" $1 254490792SgshapiroR$* $| $#$* $#$2 254590792SgshapiroR$* $| $* $: $1', `dnl') 254664562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 254790792Sgshapirodnl store name of other side 254890792SgshapiroR$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1 254990792SgshapiroR$* $: $1 $| $>D <$&{server_name}> <?> <! TLS_SRV_TAG> <> 255090792SgshapiroR$* $| <?>$* $: $1 $| $>A <$&{server_addr}> <?> <! TLS_SRV_TAG> <> 255164562Sgshapirodnl do a default lookup: just TLS_SRV_TAG 255264562SgshapiroR$* $| <?>$* $: $1 $| <$(access TLS_SRV_TAG`'_TAG_DELIM_ $: ? $)> 255390792Sgshapiroifdef(`_ATMPF_', `dnl tempfail? 255490792SgshapiroR$* $| <$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 255590792SgshapiroR$* $@ $>"TLS_connection" $1', `dnl 255690792SgshapiroR$* $@ $>"TLS_connection" $1') 255764562Sgshapiro 255890792Sgshapiro###################################################################### 255990792Sgshapiro### TLS_connection: is TLS connection "good" enough? 256090792Sgshapiro### 256190792Sgshapiro### Parameters: 256264562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 256390792Sgshapiro### ${verify} $| <Requirement> [<>]', `dnl 256490792Sgshapiro### ${verify}') 256590792Sgshapiro### Requirement: RHS from access map, may be ? for none. 256690792Sgshapirodnl syntax for Requirement: 256790792Sgshapirodnl [(PERM|TEMP)+] (VERIFY[:bits]|ENCR:bits) [+extensions] 256890792Sgshapirodnl extensions: could be a list of further requirements 256990792Sgshapirodnl for now: CN:string {cn_subject} == string 257090792Sgshapiro###################################################################### 257190792SgshapiroSTLS_connection 257290792Sgshapiroifdef(`_ACCESS_TABLE_', `dnl', `dnl use default error 257390792Sgshapirodnl deal with TLS handshake failures: abort 257490792SgshapiroRSOFTWARE $#error $@ ifdef(`TLS_PERM_ERR', `5.7.0', `4.7.0') $: "ifdef(`TLS_PERM_ERR', `503', `403') TLS handshake." 257590792Sgshapirodivert(-1)') 257664562Sgshapirodnl common ruleset for tls_{client|server} 257790792Sgshapirodnl input: ${verify} $| <ResultOfLookup> [<>] 257864562Sgshapirodnl remove optional <> 257964562SgshapiroR$* $| <$*>$* $: $1 $| <$2> 258090792Sgshapirodnl workspace: ${verify} $| <ResultOfLookup> 258190792Sgshapiro# create the appropriate error codes 258264562Sgshapirodnl permanent or temporary error? 258364562SgshapiroR$* $| <PERM + $={tls} $*> $: $1 $| <503:5.7.0> <$2 $3> 258464562SgshapiroR$* $| <TEMP + $={tls} $*> $: $1 $| <403:4.7.0> <$2 $3> 258564562Sgshapirodnl default case depends on TLS_PERM_ERR 258664562SgshapiroR$* $| <$={tls} $*> $: $1 $| <ifdef(`TLS_PERM_ERR', `503:5.7.0', `403:4.7.0')> <$2 $3> 258790792Sgshapirodnl workspace: ${verify} $| [<SMTP:ESC>] <ResultOfLookup> 258890792Sgshapiro# deal with TLS handshake failures: abort 258964562SgshapiroRSOFTWARE $| <$-:$+> $* $#error $@ $2 $: $1 " TLS handshake failed." 259064562Sgshapirodnl no <reply:dns> i.e. not requirements in the access map 259164562Sgshapirodnl use default error 259264562SgshapiroRSOFTWARE $| $* $#error $@ ifdef(`TLS_PERM_ERR', `5.7.0', `4.7.0') $: "ifdef(`TLS_PERM_ERR', `503', `403') TLS handshake failed." 259390792SgshapiroR$* $| <$*> <VERIFY> $: <$2> <VERIFY> <> $1 259490792Sgshapirodnl separate optional requirements 259590792SgshapiroR$* $| <$*> <VERIFY + $+> $: <$2> <VERIFY> <$3> $1 259690792SgshapiroR$* $| <$*> <$={tls}:$->$* $: <$2> <$3:$4> <> $1 259790792Sgshapirodnl separate optional requirements 259890792SgshapiroR$* $| <$*> <$={tls}:$- + $+>$* $: <$2> <$3:$4> <$5> $1 259964562Sgshapirodnl some other value in access map: accept 260064562Sgshapirodnl this also allows to override the default case (if used) 260164562SgshapiroR$* $| $* $@ OK 260264562Sgshapiro# authentication required: give appropriate error 260364562Sgshapiro# other side did authenticate (via STARTTLS) 260490792Sgshapirodnl workspace: <SMTP:ESC> <{VERIFY,ENCR}[:BITS]> <[extensions]> ${verify} 260564562Sgshapirodnl only verification required and it succeeded 260690792SgshapiroR<$*><VERIFY> <> OK $@ OK 260790792Sgshapirodnl verification required and it succeeded but extensions are given 260890792Sgshapirodnl change it to <SMTP:ESC> <REQ:0> <extensions> 260990792SgshapiroR<$*><VERIFY> <$+> OK $: <$1> <REQ:0> <$2> 261064562Sgshapirodnl verification required + some level of encryption 261190792SgshapiroR<$*><VERIFY:$-> <$*> OK $: <$1> <REQ:$2> <$3> 261264562Sgshapirodnl just some level of encryption required 261390792SgshapiroR<$*><ENCR:$-> <$*> $* $: <$1> <REQ:$2> <$3> 261490792Sgshapirodnl workspace: 261590792Sgshapirodnl 1. <SMTP:ESC> <VERIFY [:bits]> <[extensions]> {verify} (!= OK) 261690792Sgshapirodnl 2. <SMTP:ESC> <REQ:bits> <[extensions]> 261790792Sgshapirodnl verification required but ${verify} is not set (case 1.) 261890792SgshapiroR<$-:$+><VERIFY $*> <$*> $#error $@ $2 $: $1 " authentication required" 261990792SgshapiroR<$-:$+><VERIFY $*> <$*> FAIL $#error $@ $2 $: $1 " authentication failed" 262090792SgshapiroR<$-:$+><VERIFY $*> <$*> NO $#error $@ $2 $: $1 " not authenticated" 262190792SgshapiroR<$-:$+><VERIFY $*> <$*> NOT $#error $@ $2 $: $1 " no authentication requested" 262290792SgshapiroR<$-:$+><VERIFY $*> <$*> NONE $#error $@ $2 $: $1 " other side does not support STARTTLS" 262364562Sgshapirodnl some other value for ${verify} 262490792SgshapiroR<$-:$+><VERIFY $*> <$*> $+ $#error $@ $2 $: $1 " authentication failure " $4 262590792Sgshapirodnl some level of encryption required: get the maximum level (case 2.) 262690792SgshapiroR<$*><REQ:$-> <$*> $: <$1> <REQ:$2> <$3> $>max $&{cipher_bits} : $&{auth_ssf} 262764562Sgshapirodnl compare required bits with actual bits 262890792SgshapiroR<$*><REQ:$-> <$*> $- $: <$1> <$2:$4> <$3> $(arith l $@ $4 $@ $2 $) 262990792SgshapiroR<$-:$+><$-:$-> <$*> TRUE $#error $@ $2 $: $1 " encryption too weak " $4 " less than " $3 263090792Sgshapirodnl strength requirements fulfilled 263190792Sgshapirodnl TLS Additional Requirements Separator 263290792Sgshapirodnl this should be something which does not appear in the extensions itself 263390792Sgshapirodnl @ could be part of a CN, DN, etc... 263490792Sgshapirodnl use < > ? those are encoded in CN, DN, ... 263590792Sgshapirodefine(`_TLS_ARS_', `++')dnl 263690792Sgshapirodnl workspace: 263790792Sgshapirodnl <SMTP:ESC> <REQ:bits> <extensions> result-of-compare 263890792SgshapiroR<$-:$+><$-:$-> <$*> $* $: <$1:$2 _TLS_ARS_ $5> 263990792Sgshapirodnl workspace: <SMTP:ESC _TLS_ARS_ extensions> 264090792Sgshapirodnl continue: check extensions 264190792SgshapiroR<$-:$+ _TLS_ARS_ > $@ OK 264290792Sgshapirodnl split extensions into own list 264390792SgshapiroR<$-:$+ _TLS_ARS_ $+ > $: <$1:$2> <$3> 264490792SgshapiroR<$-:$+> < $+ _TLS_ARS_ $+ > <$1:$2> <$3> <$4> 264590792SgshapiroR<$-:$+> $+ $@ $>"TLS_req" $3 $| <$1:$2> 264664562Sgshapiro 264790792Sgshapiro###################################################################### 264890792Sgshapiro### TLS_req: check additional TLS requirements 264990792Sgshapiro### 265090792Sgshapiro### Parameters: [<list> <of> <req>] $| <$-:$+> 265190792Sgshapiro### $-: SMTP reply code 265290792Sgshapiro### $+: Enhanced Status Code 265390792Sgshapirodnl further requirements for this ruleset: 265490792Sgshapirodnl name of "other side" is stored is {TLS_name} (client/server_name) 265590792Sgshapirodnl 265690792Sgshapirodnl currently only CN[:common_name] is implemented 265790792Sgshapirodnl right now this is only a logical AND 265890792Sgshapirodnl i.e. all requirements must be true 265990792Sgshapirodnl how about an OR? CN must be X or CN must be Y or .. 266090792Sgshapirodnl use a macro to compute this as a trivial sequential 266190792Sgshapirodnl operations (no precedences etc)? 266290792Sgshapiro###################################################################### 266390792SgshapiroSTLS_req 266490792Sgshapirodnl no additional requirements: ok 266590792SgshapiroR $| $+ $@ OK 266690792Sgshapirodnl require CN: but no CN specified: use name of other side 266790792SgshapiroR<CN> $* $| <$+> $: <CN:$&{TLS_Name}> $1 $| <$2> 266890792Sgshapirodnl match, check rest 266990792SgshapiroR<CN:$&{cn_subject}> $* $| <$+> $@ $>"TLS_req" $1 $| <$2> 267090792Sgshapirodnl CN does not match 267190792Sgshapirodnl 1 2 3 4 267290792SgshapiroR<CN:$+> $* $| <$-:$+> $#error $@ $4 $: $3 " CN " $&{cn_subject} " does not match " $1 267390792Sgshapirodnl cert subject 267490792SgshapiroR<CS:$&{cert_subject}> $* $| <$+> $@ $>"TLS_req" $1 $| <$2> 267590792Sgshapirodnl CS does not match 267690792Sgshapirodnl 1 2 3 4 267790792SgshapiroR<CS:$+> $* $| <$-:$+> $#error $@ $4 $: $3 " CERT Subject " $&{cert_subject} " does not match " $1 267890792Sgshapirodnl match, check rest 267990792SgshapiroR<CI:$&{cert_issuer}> $* $| <$+> $@ $>"TLS_req" $1 $| <$2> 268090792Sgshapirodnl CI does not match 268190792Sgshapirodnl 1 2 3 4 268290792SgshapiroR<CI:$+> $* $| <$-:$+> $#error $@ $4 $: $3 " CERT Issuer " $&{cert_issuer} " does not match " $1 268390792Sgshapirodnl return from recursive call 268490792SgshapiroROK $@ OK 268590792Sgshapiro 268690792Sgshapiro###################################################################### 268790792Sgshapiro### max: return the maximum of two values separated by : 268890792Sgshapiro### 268990792Sgshapiro### Parameters: [$-]:[$-] 269090792Sgshapiro###################################################################### 269164562SgshapiroSmax 269264562SgshapiroR: $: 0 269364562SgshapiroR:$- $: $1 269464562SgshapiroR$-: $: $1 269564562SgshapiroR$-:$- $: $(arith l $@ $1 $@ $2 $) : $1 : $2 269664562SgshapiroRTRUE:$-:$- $: $2 269790792SgshapiroR$-:$-:$- $: $2 269890792Sgshapirodnl endif _ACCESS_TABLE_ 269990792Sgshapirodivert(0) 270064562Sgshapiro 270190792Sgshapiro###################################################################### 270290792Sgshapiro### RelayTLS: allow relaying based on TLS authentication 270390792Sgshapiro### 270490792Sgshapiro### Parameters: 270590792Sgshapiro### none 270690792Sgshapiro###################################################################### 270790792SgshapiroSRelayTLS 270864562Sgshapiro# authenticated? 270964562Sgshapirodnl we do not allow relaying for anyone who can present a cert 271064562Sgshapirodnl signed by a "trusted" CA. For example, even if we put verisigns 271164562Sgshapirodnl CA in CERTPath so we can authenticate users, we do not allow 271264562Sgshapirodnl them to abuse our server (they might be easier to get hold of, 271364562Sgshapirodnl but anyway). 271464562Sgshapirodnl so here is the trick: if the verification succeeded 271564562Sgshapirodnl we look up the cert issuer in the access map 271664562Sgshapirodnl (maybe after extracting a part with a regular expression) 271764562Sgshapirodnl if this returns RELAY we relay without further questions 271864562Sgshapirodnl if it returns SUBJECT we perform a similar check on the 271964562Sgshapirodnl cert subject. 272064562Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 272190792SgshapiroR$* $: <?> $&{verify} 272290792SgshapiroR<?> OK $: OK authenticated: continue 272390792SgshapiroR<?> $* $@ NO not authenticated 272464562Sgshapiroifdef(`_CERT_REGEX_ISSUER_', `dnl 272590792SgshapiroR$* $: $(CERTIssuer $&{cert_issuer} $)', 272690792Sgshapiro`R$* $: $&{cert_issuer}') 272790792SgshapiroR$+ $: $(access CERTISSUER`'_TAG_DELIM_`'$1 $) 272864562Sgshapirodnl use $# to stop further checks (delay_check) 272990792SgshapiroRRELAY $# RELAY 273064562Sgshapiroifdef(`_CERT_REGEX_SUBJECT_', `dnl 273190792SgshapiroRSUBJECT $: <@> $(CERTSubject $&{cert_subject} $)', 273290792Sgshapiro`RSUBJECT $: <@> $&{cert_subject}') 273390792SgshapiroR<@> $+ $: <@> $(access CERTSUBJECT`'_TAG_DELIM_`'$1 $) 273490792SgshapiroR<@> RELAY $# RELAY 273590792SgshapiroR$* $: NO', `dnl') 273664562Sgshapiro 273790792Sgshapiro###################################################################### 273890792Sgshapiro### authinfo: lookup authinfo in the access map 273990792Sgshapiro### 274090792Sgshapiro### Parameters: 274190792Sgshapiro### $1: {server_name} 274290792Sgshapiro### $2: {server_addr} 274390792Sgshapirodnl both are currently ignored 274490792Sgshapirodnl if it should be done via another map, we either need to restrict 274590792Sgshapirodnl functionality (it calls D and A) or copy those rulesets (or add another 274690792Sgshapirodnl parameter which I want to avoid, it's quite complex already) 274790792Sgshapiro###################################################################### 274890792Sgshapirodnl omit this ruleset if neither is defined? 274990792Sgshapirodnl it causes DefaultAuthInfo to be ignored 275090792Sgshapirodnl (which may be considered a good thing). 275190792SgshapiroSauthinfo 275290792Sgshapiroifdef(`_AUTHINFO_TABLE_', `dnl 275390792SgshapiroR$* $: <$(authinfo AuthInfo:$&{server_name} $: ? $)> 275490792SgshapiroR<?> $: <$(authinfo AuthInfo:$&{server_addr} $: ? $)> 275590792SgshapiroR<?> $: <$(authinfo AuthInfo: $: ? $)> 275690792SgshapiroR<?> $@ no no authinfo available 275790792SgshapiroR<$*> $# $1 275890792Sgshapirodnl', `dnl 275990792Sgshapiroifdef(`_ACCESS_TABLE_', `dnl 276090792SgshapiroR$* $: $1 $| $>D <$&{server_name}> <?> <! AuthInfo> <> 276190792SgshapiroR$* $| <?>$* $: $1 $| $>A <$&{server_addr}> <?> <! AuthInfo> <> 276290792SgshapiroR$* $| <?>$* $: $1 $| <$(access AuthInfo`'_TAG_DELIM_ $: ? $)> <> 276390792SgshapiroR$* $| <?>$* $@ no no authinfo available 276490792SgshapiroR$* $| <$*> <> $# $2 276590792Sgshapirodnl', `dnl')') 276690792Sgshapiro 276764562Sgshapiroundivert(9)dnl LOCAL_RULESETS 276838032Speter# 276938032Speter###################################################################### 277038032Speter###################################################################### 277138032Speter##### 277264562Sgshapiro`##### MAIL FILTER DEFINITIONS' 277364562Sgshapiro##### 277464562Sgshapiro###################################################################### 277564562Sgshapiro###################################################################### 277690792Sgshapiro_MAIL_FILTERS_ 277764562Sgshapiro# 277864562Sgshapiro###################################################################### 277964562Sgshapiro###################################################################### 278064562Sgshapiro##### 278138032Speter`##### MAILER DEFINITIONS' 278238032Speter##### 278338032Speter###################################################################### 278438032Speter###################################################################### 278564562Sgshapiroundivert(7)dnl MAILER_DEFINITIONS 278666494Sgshapiro 2787