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Diffstat (limited to 'debian/local/sendmailconfig.in')
| -rw-r--r-- | debian/local/sendmailconfig.in | 671 |
1 files changed, 671 insertions, 0 deletions
diff --git a/debian/local/sendmailconfig.in b/debian/local/sendmailconfig.in new file mode 100644 index 0000000..1c2cf1e --- /dev/null +++ b/debian/local/sendmailconfig.in @@ -0,0 +1,671 @@ +#!/bin/sh -e +#----------------------------------------------------------------------------- +# $Sendmail: sendmailconfig,v @sm_version@ @sm_date@ @sm_time@ cowboy Exp $ +# +# Interactively configure Sendmail for Debian +# +# Copyright (c) 1998-@SM_CPYRT@ Richard Nelson. All Rights Reserved. +# +# Robert Leslie <rob@mars.org>, +# Rick Nelson <cowboy@debian.org> +# +#----------------------------------------------------------------------------- +set -e; + +PATH='/usr/sbin:/usr/bin:/sbin:/bin'; +SENDMAIL_MC="@sysconfdir@/mail/sendmail.mc"; +SUBMIT_MC="@sysconfdir@/mail/submit.mc"; + +# Path to other sendmail helpers +if [ -x ./update_sendmail ]; then + sm_path='.'; +elif [ -x $(dirname $0)/update_sendmail ]; then + sm_path=$(dirname $0); +else + sm_path=@datadir@/sendmail; + fi; + +set +e; +reload="yes"; +umask 022; + +#------------------------------------------------------------------------------ + +while [ $# -gt 0 ]; do + case "$1" in + --no-reload) + reload=""; + shift; + ;; + + *) + echo "Usage: $0 [--no-reload]" >&2; + exit 1; + ;; + esac; + done; + +#------------------------------------------------------------------------------ + +descrip() { + echo ''; + echo "$1"; + echo "$1" | sed -e 's/./-/g'; + cat -; + echo ''; + }; + +yesno() { + local N='N' Y='Y'; + local q="$1" def=$(eval "echo -n \$$2"); + + while :; do + echo -n "$q? [$def] "; + read REPLY; + REPLY=$(echo -n "$REPLY" | sed -e "s/^\ *//" -e "s/^\t*//"); + test -n "$REPLY" || REPLY="$def"; + + case "$REPLY" in + [Yy]*) + echo yes > /dev/null; + eval "$2=\"Y\""; + return 0; + ;; + [Nn]*) + echo no > /dev/null; + eval "$2=\"N\""; + return 1; + ;; + esac; + done; + }; + +input() { + local q="$1" def=$(eval "echo -n \$$2"); + + echo -n "$q? [$def] "; + read REPLY + REPLY=$(echo "$REPLY" | sed -e 's/^[ ]*//' -e 's/[ ]*$//' | cat); + test -n "$REPLY" || REPLY="$def"; + + if [ "NONE" = "$3" ]; then + case "$REPLY" in + [NnOoNnEe]) + REPLY=''; + ;; + esac; + fi; + + eval "$2=\"$REPLY\""; + }; + +testconfig() { + CONFIG=$(grep -Ee "^[[:space:]]*$1" $SENDMAIL_MC 2>/dev/null); + }; + +makecf() { + if [ -x $sm_path/update_sendmail ]; then + echo "Updating sendmail environment ..."; + $sm_path/update_sendmail || true; + fi; + + if [ "$reload" ] && \ + yesno \ + "Reload the running sendmail now with the new configuration" Y + then + echo "Reloading sendmail ..."; + @sysconfdir@/init.d/sendmail reload >/dev/null; + fi; +} + +#------------------------------------------------------------------------------ + +if [ -f $SENDMAIL_MC ]; then + if yesno "Configure sendmail with the existing @sysconfdir@/mail/sendmail.conf" Y + then + if ! $sm_path/update_conf; then + echo "Correct @sysconfdir@/mail/sendmail.conf before continuing."; + exit 1; + fi; + else + echo "Edit @sysconfdir@/mail/sendmail.conf and reissue $0."; + exit 0; + fi; + if yesno "Configure sendmail with the existing $SENDMAIL_MC" Y + then + makecf; + exit 0; + fi; + fi; + +############################################################################### + +exec 3>$SENDMAIL_MC.new; +trap "rm -f $SENDMAIL_MC.new" 0; + +############################################################################### + +descrip "Sendmail Configuration" <<-EOT +By answering the following questions, you can configure sendmail for your +system. Default values are determined either by your existing configuration +or from common usage. +EOT + +echo -n "Press [ENTER] "; +read REPLY; + +cat @datadir@/sendmail/cf/debian/sendmail.mc >&3; +cp -a @datadir@/sendmail/cf/debian/submit.mc \ + $SUBMIT_MC.new; +echo "LOCAL_CONFIG" >&3; + +############################################################################### + +descrip "Mail Name" <<EOT +Your \`mail name' is the hostname portion of the address to be shown on +outgoing news and mail messages (following the username and @ sign). This +name will be used by other programs besides sendmail; it should be the single, +full domain name (FQDN) from which mail will appear to originate. +EOT + +mailname=$(cat @sysconfdir@/mailname 2>/dev/null || hostname --fqdn); +input "Mail name" mailname; + +echo "$mailname" >@sysconfdir@/mailname; + +############################################################################### + +descrip "Null Client" <<EOT +A special configuration known as the "null client" can be created for this +host if all mail should be forwarded to a central hub via a local SMTP-based +network. This may be a suitable configuration if you want to forward all of +your mail to your local Internet service provider (ISP) for delivery. + +To enable this option, give the name of the host to which all mail should be +forwarded. Otherwise leave the option empty to disable it. +To remove a prior name, use \`NONE'. +EOT + +nullclient="" +! testconfig "FEATURE\(\`?nullclient" || + nullclient=$(echo -n "$CONFIG" | sed -e 's/[^,]*, *\([^)]*\).*/\1/'); + +input "Null client forward host" nullclient "" NONE; + +if [ ! -z "$nullclient" ]; then + echo "FEATURE(\`nullclient', $nullclient)dnl" >&3; + fi; + +if [ -z "$nullclient" ]; then + +############################################################################### +descrip "Smart Host" <<EOT +A "Smart Host" is one that can deliver mail to external machines. By using +a "Smart Host", we don't need DNS, or good connectivity ourselves. This is +most likely what you want if you have a dialup link, or sit behind a firewall. + +To enable this option, give the name of the host to which all non-local mail +should be forwarded. Otherwise leave the option empty. +To remove a prior name, use \`NONE'. +EOT + +smarthost=""; +#if [ -n "$nullclient" ]; then +# smarthost="$nullclient" +# fi +! testconfig "define\(\`?SMART_HOST" || + smarthost=$(echo -n "$CONFIG" | sed -e 's/[^:]*:*\([^)]*\).*/\1/'); +input "Smart Host:" smarthost "" NONE; + +test -z "$smarthost" || echo "define(\`SMART_HOST', \`$smarthost')dnl" >&3; +#if [ -n "$nullclient" -a ! -z "$smarthost" ]; then +# echo "undefine(\`ALIAS_FILE')dnl" >&3 +# echo "define(\`confFORWARD_PATH', \`')dnl" >&3 +# echo "define(\`MAIL_HUB', \`$smarthost')dnl" >&3 +# echo "MASQUERADE_AS(\`$smarthost')dnl" >&3 +# echo "FEATURE(\`allmasquerade')dnl" >&3 +# echo "FEATURE(\`masquerade_envelope')dnl" >&3 +# fi +############################################################################### + +descrip "Address Canonification" <<EOT +Usually sendmail will canonify all addresses by consulting a name server and +resolving hosts to their fully qualified domain name (FQDN). Under special +circumstances you may want to disable this feature, for example if this +machine acts only as a mail gateway. +EOT + +test -z "$nullclient" || cat <<EOT +Since this host will be configured as a null client, this option controls +whether addresses will be qualified with \`$mailname' when +sent to the central hub via SMTP. Disabling this feature may cause mail to +appear to come from (and be qualified by the domain for) the hub machine +rather than this host. + +EOT + +nocanonify="N"; +! testconfig "FEATURE\(\`?nocanonify" || nocanonify="Y"; + +! yesno "Disable address canonification" nocanonify || \ + echo "FEATURE(\`nocanonify')dnl" >&3; + +############################################################################### + +descrip "SMTP Mailer" <<EOT +If you plan to exchange mail with other computers, you should enable the +SMTP mailer. Even if you don't plan to exchange mail with other computers, +it is still a good idea to enable this so local programs can use it. +EOT + +smtp="Y"; +if [ -f $SENDMAIL_MC ]; then + testconfig "MAILER\(\`?smtp" || smtp="N"; +fi; + +yesno "Enable the SMTP mailer" smtp || true; + +############################################################################### + +descrip "Masquerade Envelope" <<EOT +If you want mail envelopes (as well as mail headers) to appear to come from +\`$mailname', you can enable this option. +EOT + +masqenvelope="Y"; +if [ -f $SENDMAIL_MC ]; then + testconfig "FEATURE\(\`?masquerade_envelope" || masqenvelope="N"; +fi; + +! yesno "Masquerade envelopes" masqenvelope || \ + echo "FEATURE(\`masquerade_envelope')dnl" >&3; + +############################################################################### + +descrip "All Masquerade" <<EOT +If enabled, this feature will cause recipient addresses to also appear to come +from \`$mailname'. Normally they get the local hostname. +Although this may be right for ordinary users, it can break local aliases. For +example, if you send to "localalias", the originating sendmail will find that +alias and send to all members, but send the message with +"To: localalias@$mailname". Since that alias likely does +not exist, replies will fail. Use this feature ONLY if you can guarantee that +the ENTIRE namespace of \`$mailname' supersets all the +local entries. If in doubt, it is safe to leave this option disabled. +EOT + +allmasquerade="N"; +! testconfig "FEATURE\(\`?allmasquerade" || allmasquerade="Y"; + +! yesno "All masquerade" allmasquerade || \ + echo "FEATURE(\`allmasquerade')dnl" >&3; + +############################################################################### + +descrip "Dont masquerade mail to local users" <<EOT +Send mail to local recipients without masquerading. +EOT + +local_no_masquerade="N"; +! testconfig "FEATURE\(\`?local_no_masquerade" || local_no_masquerade="Y"; + +! yesno "Dont masquerade local" local_no_masquerade || + echo "FEATURE(\`local_no_masquerade')dnl" >&3; + +############################################################################### + +descrip "Always Add Domain" <<EOT +If enabled, the local host domain is included even on locally delivered mail. +Normally it is not added unless it is already present. +EOT + +alwaysdomain="N"; +! testconfig "FEATURE\(\`?always_add_domain" || alwaysdomain="Y"; + +! yesno "Always add domain" alwaysdomain || \ + echo "FEATURE(\`always_add_domain')dnl" >&3; + +############################################################################### + +descrip "Mail Acceptance" <<EOT +Sendmail is usually configured to accept mail for your mail name +($mailname). However, under special circumstances you +may not wish sendmail to do this, particularly if (and disabling this option +generally requires that) mail for \`$mailname' is MXed +to another host. If in doubt, it is safe to leave this option enabled. +EOT + +acceptmailname="Y"; +if [ -f $SENDMAIL_MC ]; then + testconfig "^Cw.*$mailname" || acceptmailname="N"; +fi; + +yesno "Accept mail for \`$mailname'" acceptmailname || true; +test "N" = "$acceptmailname" || \ + echo "LOCAL_CONFIG +Cw$mailname" >&3; + +############################################################################### + +descrip "Alternate Names" <<EOT +In addition to the canonical mail name \`$mailname', you can +add any number of additional alternate names to recognize for receiving mail. +If other hosts are MXed to you for local mail, this is where you should list +them. This list is saved into the file @sysconfdir@/mail/local-host-names +so it can be changed later as needed. + +To answer this question, separate each alternate name with a space, or answer +\`NONE' to eliminate all alternate names. +EOT + +cw_file="@sysconfdir@/mail/local-host-names"; +altnames=$(cat "$cw_file" 2>/dev/null | tr -s '\n \t' ' ' | + sed -e 's/^ *//' -e 's/ *$//'); +input "Alternate names" altnames NONE; + +if [ -n "$altnames" ]; then + echo "$altnames" | tr -s ' \t' '\n' >$cw_file; +else + echo "localhost" >$cw_file; +fi; + chown root:smmsp $cw_file; + chmod 0644 $cw_file; + +echo "FEATURE(\`use_cw_file')dnl" >&3; + +############################################################################### + +descrip "Trusted Users" <<EOT +Sendmail allows a special group of users to set their envelope "From" address +using the -f option without generating a warning message. If you have +software such as Majordomo installed, you will want to include the usernames +from such software here. Note that "root", "daemon", and "uucp" are included +automatically and do not need to be specified. This list is saved into the +file @sysconfdir@/mail/trusted-users so it can be changed later as needed. + +To answer this question, separate each username with a space, or answer +\`NONE' to eliminate all usernames. +EOT + +ct_file="@sysconfdir@/mail/trusted-users"; +trusted=$(cat "$ct_file" 2>/dev/null | tr -s '\n \t' ' ' | + sed -e 's/^ *//' -e 's/ *$//'); +input "Trusted users" trusted NONE; + +if [ -n "$trusted" ]; then + echo "$trusted" | tr -s ' \t' '\n' >$ct_file; + chown root:smmsp $ct_file; + chmod 0644 $ct_file; +else + cat /dev/null >$ct_file; +fi; + +echo "FEATURE(\`use_ct_file')dnl" >&3; +echo "FEATURE(\`use_ct_file')dnl" >> $SUBMIT_MC.new; + +############################################################################### + +descrip "Redirect Feature" <<EOT +If enabled, this feature will allow you to alias old names to +<new-address>.REDIRECT, causing sendmail to return mail to the sender with +an error but indicating the recipient's new address. +EOT + +redirect="N"; +! testconfig "FEATURE\(\`?redirect" || redirect="Y"; + +! yesno "Enable redirect option" redirect || \ + echo "FEATURE(\`redirect')dnl" >&3; + +############################################################################### + +descrip "UUCP Addresses" <<EOT +Sendmail can be configured to be smart about UUCP addresses, or it can do +nothing special with UUCP addresses at all. If you care about UUCP, you will +need to do some additional configuration, perhaps outside of this script. + +*** NOTE *** If you use a smart host or do any kind of forwarding (ie +LUSER_RELAY and LOCAL_RELAY), it is important that you say "Yes" +here to prevent a multi-level relay hole - unless you know for *SURE* that +your smart-host does not deal with UUCP addresses. + +(Be safe and just say Y) +EOT + +uucp="Y"; +if [ -f $SENDMAIL_MC ]; then + testconfig "FEATURE\(\`?nouucp" || uucp="Y"; +fi; + +yesno "Enable UUCP addressing" uucp || \ + echo "FEATURE(\`nouucp', \`reject')dnl" >&3; + +############################################################################### + +descrip "Sticky Host" <<EOT +If enabled, mail sent to \`user@$mailname' is marked as +"sticky" -- that is, the local addresses aren't matched against UDB and don't +go through ruleset 5. This is used if you want a setup where \`user' is not +necessarily the same as \`user@$mailname', e.g., to make +a distinct domain-wide namespace. If in doubt, it is safe to leave this +option disabled. +EOT + +sticky="N"; +! testconfig "FEATURE\(\`?stickyhost" || sticky="Y"; + +! yesno "Enable sticky host option" sticky || \ + echo "FEATURE(\`stickyhost')dnl" >&3; + +############################################################################### + +descrip "DNS" <<EOT +If you are directly connected to the Internet and have access to a domain +name server, you should enable this option. +EOT + +dns="Y"; +! testconfig "FEATURE\(\`?nodns" || dns="N"; +! testconfig "HACK\(\`?nodns" || dns="N"; + +yesno "Enable DNS" dns || \ + echo "HACK(\`nodns')dnl" >&3; + +############################################################################### + +if [ Y = "$dns" ]; then + +############################################################################### + +descrip "Best MX is Local" <<EOT +If enabled, this option will cause sendmail to accept mail as though locally +addressed for any host that lists this machine as the best possible MX record. +This generates additional DNS traffic, but should be OK for low-to-medium +traffic hosts. N.B.: This feature is fundamentally incompatible with wildcard +MX records. If you have a wildcard MX record that matches your domain, you +cannot use this feature. +EOT + +bestmxlocal="N"; +! testconfig "FEATURE\(\`?bestmx_is_local" || bestmxlocal="Y"; + +! yesno "Assume best MX is local" bestmxlocal || \ + echo "FEATURE(\`bestmx_is_local')dnl" >&3; + +############################################################################### + +fi; # finished DNS configuration + +############################################################################### + +descrip "Mailertable" <<EOT +If enabled, this option causes sendmail to read mail routing rules from +the text file @sysconfdir@/mail/mailertable. This is needed for unusual mailers like +ifmail and fax programs. +More information is in @docdir@/sendmail-doc/op/op.txt.gz. +EOT + +mailertable="N"; +! testconfig "FEATURE\(\`?mailertable" || mailertable="Y"; + +! yesno "Enable the mailertable feature" mailertable || \ + echo "FEATURE(\`mailertable')dnl" >&3; + +############################################################################### + +descrip "Sendmail Restricted Shell" <<EOT +If enabled, this option causes sendmail to use the sendmail restricted shell +program (smrsh) instead of /bin/sh for mailing to programs. This improves your +ability to control what gets run via email; only those programs which appear +in a special directory can be run. If you enable this option, please carefully +read the smrsh(8) man page for further information. +EOT + +smrsh="Y"; +! testconfig "FEATURE\(\'?smrsh" || smrsh="Y"; + +! yesno "Use the Sendmail Restricted Shell (smrsh)" smrsh || \ + echo "FEATURE(\`smrsh', \`@libexecdir@/smrsh')dnl" >&3; + +############################################################################### + +descrip "Mailer Name" <<EOT +You can change the name used for internally generated outgoing messages. +Usually this is \`MAILER-DAEMON' but it would not be unreasonable to change +it to something such as \`postmaster'. +EOT + +daemon="MAILER-DAEMON"; +! testconfig "define\(\`?confMAILER_NAME" || + daemon=$(echo -n "$CONFIG" | sed -e 's/[^,]*, *`\([^'"'"']*\).*/\1/'); + +input "Mailer name" daemon; + +test "MAILER-DAEMON" = "$daemon" || + echo "define(\`confMAILER_NAME', \`$daemon')dnl" >&3; + +############################################################################### + +descrip "Me Too" <<EOT +Sendmail normally excludes the sender address from group expansion. Enabling +this option will cause the sender to be included. +EOT + +metoo="N"; +! testconfig "define\(\`?confME_TOO.*True" || metoo="Y"; + +! yesno "Enable me too option" metoo || + echo "define(\`confME_TOO', True)dnl" >&3; + +############################################################################### + +descrip "Message Timeouts" <<EOT +Sendmail will issue a warning message to the sender if it can't deliver a +message within a reasonable amount of time. It will also send a failure +notification and give up trying to deliver the message if it can't deliver it +after an unreasonable amount of time. + +You can configure the message timeouts after which warning and failure +notifications are sent. Sendmail's defaults are 4 hours and 5 days (4h/5d), +respectively, but many people feel warnings after only 4 hours are premature. +EOT + +qw="4h"; +! testconfig "define\(\`?confTO_QUEUEWARN" || + qw=$(echo -n "$CONFIG" | sed -e 's/[^,]*, *`\([^'"'"']*\).*/\1/'); + +qr="5d"; +! testconfig "define\(\`?confTO_QUEUERETURN" || + qr=$(echo -n "$CONFIG" | sed -e 's/[^,]*, *`\([^'"'"']*\).*/\1/'); + +timeouts="$qw/$qr"; + +input "Message timeouts" timeouts; + +qw=$(expr "$timeouts" : '\([^/]*\)/'); +qr=$(expr "$timeouts" : '[^/]*/\(.*\)'); + +test "4h" = "$qw" || echo "define(\`confTO_QUEUEWARN', \`$qw')dnl" >&3; +test "5d" = "$qr" || echo "define(\`confTO_QUEUERETURN', \`$qr')dnl" >&3; + +############################################################################### +# Support dialup configuration +cat <<-EOT >&3 +dnl # +dnl # Dialup/LAN connection overrides +dnl # +include(\`@sysconfdir@/mail/dialup.m4')dnl +include(\`@sysconfdir@/mail/provider.m4')dnl +dnl # +EOT + +############################################################################### +echo "MAILER_DEFINITIONS" >&3 +echo "MAILER(local)dnl" >&3 + +test "N" = "$smtp" || echo "MAILER(smtp)dnl" >&3; + +############################################################################### + +if [ -e /etc/ifmail/config ] && \ + [ -e @datadir@/sendmail/cf/mailer/ifmail.m4 ]; +then + echo "MAILER(ifmail)dnl" >&3; +fi; + +############################################################################### + +fi; # finished non-"null client" configuration + + +############################################################################### + +echo "" >&3; +echo "LOCAL_CONFIG" >&3; +#if [ -z $nullclient ]; then +# echo "MASQUERADE_AS($mailname)dnl" >&3 +# fi + +if [ -f $SENDMAIL_MC ]; then + sed -n -e '/^## Custom/,$p' $SENDMAIL_MC >&3; +else + echo "## Custom configurations below (will be preserved)" >&3; +fi; + +descrip "Configuration Complete" <<EOT +Advanced configuration, such as alternate mailers, the use of mailertables, +Bitnet domains, and UUCP domains can be accomplished by manually editing the +$SENDMAIL_MC configuration file and rerunning +\`$0' to generate the appropriate @sysconfdir@/mail/sendmail.cf +file. (Local changes made at the end of $SENDMAIL_MC +will be preserved by \`$0'.) + +The m4 library files for sendmail configuration are kept in the +@datadir@/sendmail/cf directory. You may wish to review the +documentation in @docdir@/sendmail to assist in further customization. + +You may wish to customize your alias database; see the aliases(5) man page +for information on the format and use of the /etc/aliases file. +EOT + +############################################################################### + +exec 3>&-; + +if [ -f $SENDMAIL_MC ];then + echo "Saving old $SENDMAIL_MC as $SENDMAIL_MC.old ..."; + mv -f $SENDMAIL_MC $SENDMAIL_MC.old; + fi; + +chown root:smmsp $SENDMAIL_MC.new; +chmod 0644 $SENDMAIL_MC.new; +mv -f $SENDMAIL_MC.new $SENDMAIL_MC; +if [ ! -f @datadir@/sendmail/cf/feature/msp.m4 ]; then + chown root:smmsp $SUBMIT_MC.new; + chmod 0644 $SUBMIT_MC.new; + mv -f $SUBMIT_MC.new $SUBMIT_MC; + fi; +trap 0; + +makecf; +exit 0; |