#!/bin/sh -e
#-----------------------------------------------------------------------------
#
# $Sendmail: update_mc,v 8.14.4 2010-10-16 19:38:59 cowboy Exp $
#
# Update Sendmail databases for Debian
#
# Copyright (c) 2000-2010 Richard Nelson.  All Rights Reserved.
#
# Notes (to all):
#	* assumes makemap dbtype /etc/mail/database < /etc/mail/database
#
# Notes (to self):
#	* changes made herein *must* be reflected in
#		parse_mc,update_mk,update_db,debian.m4
#
#-----------------------------------------------------------------------------
set -e;

changed=0;

# 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=/usr/share/sendmail;
	fi;
# Bring in sendmail.conf for the network definitions
if [ ! -f /etc/mail/sendmail.conf ]; then
	if [ -x $sm_path/update_conf ]; then
		$sm_path/update_conf;
		fi;
	fi;
if [ -f /etc/mail/sendmail.conf ]; then
	. /etc/mail/sendmail.conf;
	fi;
if [ "$HANDS_OFF" != 'No' ]; then
	exit 0;
	fi;

new_mc () {
	chown root:smmsp /etc/mail/"$1".mc.new;
	chmod 0644 /etc/mail/"$1".mc.new;
	mv /etc/mail/"$1".mc.new /etc/mail/"$1".mc;
	changed=1;
	};	

#-----------------------------------------------------------------------------
# Move sendmail.{mc,cf} from /etc/ to /etc/mail
if [ ! -f /etc/mail/sendmail.mc ]; then
	if [ -f /etc/sendmail.mc ]; then
		echo "Moving /etc/sendmail.* to /etc/mail/";
		mv /etc/sendmail.mc /etc/mail/sendmail.mc.new;
		new_mc sendmail;
		fi;
	if [ -f /etc/sendmail.cf ]; then
		mv /etc/sendmail.cf /etc/mail/sendmail.cf;
		chown root:smmsp /etc/mail/sendmail.cf;
		chmod 0644 /etc/mail/sendmail.cf;
		changed=1;
		fi;
	fi;

#-----------------------------------------------------------------------------
# Create {submit,sendmail}.mc if needed
if [ ! -f /etc/mail/sendmail.mc ]; then
	cp -p /usr/share/sendmail/cf/debian/sendmail.mc \
		/etc/mail/sendmail.mc.new;
	if [ -f /etc/mailname ] && [ ! -z /etc/mailname ]; then
		masq=$(cat /etc/mailname);
		echo "dnl # Masquerading options" \
			>> /etc/mail/sendmail.mc.new;
		echo "FEATURE(\`always_add_domain')dnl" \
			>> /etc/mail/sendmail.mc.new;
		echo "MASQUERADE_AS(\`${masq}')dnl" \
			>> /etc/mail/sendmail.mc.new;
		echo "FEATURE(\`allmasquerade')dnl" \
			>> /etc/mail/sendmail.mc.new;
		echo "FEATURE(\`masquerade_envelope')dnl" \
			>> /etc/mail/sendmail.mc.new;
		fi;
	new_mc sendmail;
	fi;
if [ ! -f /etc/mail/submit.mc ]; then
	if [ -f /usr/share/sendmail/cf/debian/submit.mc ]; then
		cp -p /usr/share/sendmail/cf/debian/submit.mc \
			/etc/mail/submit.mc.new;
		new_mc submit;
		fi;
	fi;

#-----------------------------------------------------------------------------
# Make sure dialup support m4 files are extant
if [ ! -f /etc/mail/m4/dialup.m4 ]; then
	if [ -f /etc/mail/dialup.m4 ]; then
		mv /etc/mail/dialup.m4 /etc/mail/m4/dialup.m4;
	else
		touch /etc/mail/m4/dialup.m4;
		fi;
	chown root:smmsp /etc/mail/m4/dialup.m4;
	chmod 0640 /etc/mail/m4/dialup.m4;
	fi;
if [ ! -f /etc/mail/m4/provider.m4 ]; then
	if [ -f /etc/mail/provider.m4 ]; then
		mv /etc/mail/provider.m4 /etc/mail/m4/provider.m4;
	else
		touch /etc/mail/m4/provider.m4;
		fi;
	chown root:smmsp /etc/mail/m4/provider.m4;
	chmod 0640 /etc/mail/m4/provider.m4;
	fi;
if (grep -qEe "^[[:space:]]*include\(\`?/etc/mail/dialup.m4" \
		/etc/mail/sendmail.mc); then
	sed -e "s=^\([[:space:]]*\)include(\`\?/etc/mail/dialup\.m4.*$=include(\`/etc/mail/m4/dialup\.m4')dnl=" \
		/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	fi;
if (grep -qEe "^[[:space:]]*include\(\`?/etc/mail/provider.m4" \
		/etc/mail/sendmail.mc); then
	sed -e "s=^\([[:space:]]*\)include(\`\?/etc/mail/provider\.m4.*$=include(\`/etc/mail/m4/provider\.m4')dnl=" \
		/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	fi;

#-----------------------------------------------------------------------------
# Make sure not using text mailertable (it doesn't work)
if (grep -qEe "^[[:space:]]*FEATURE\(\`?mailertable'?, \`text /etc/mail/mailertable'\)" \
		/etc/mail/sendmail.mc); then
	echo "Correcting FEATURE(mailertable) in /etc/mail/sendmail.mc";
	sed -e "s=^\([[:space:]]*\)\(\`\?\)FEATURE(\`\?mailertable'\?, \`text /etc/mail/mailertable')\(dnl\)\?=\1\2FEATURE(\`mailertable')dnl=g" \
		 /etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	fi;

#-----------------------------------------------------------------------------
# Make sure smrsh points to the correct location
if (grep -qEe "^[[:space:]]*\`?FEATURE\(\`?smrsh'?[[:space:]]*,.*\)" \
	/etc/mail/sendmail.mc); then
	echo "Correcting FEATURE(smrsh) in /etc/mail/sendmail.mc";
	sed -e "s=\([[:space:]]*\)\(\`\?\)FEATURE(\`\?smrsh'\?[[:space:]]*,.*)\(dnl\)\?=\1\2FEATURE(\`smrsh')dnl=g" \
		/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	fi;

#-----------------------------------------------------------------------------
# Convert FEATURE(nouucp) to FEATURE(nouucp,reject)
if (grep -qEe "^[[:space:]]*\`?FEATURE\(\`?nouucp'?\)" \
	/etc/mail/sendmail.mc); then
	echo "Correcting FEATURE(nouucp) in /etc/mail/sendmail.mc";
	sed -e "s=^\([[:space:]]*\)\(\`\?\)FEATURE(\`\?nouucp'\?)\(dnl\)\?=\1\2FEATURE(\`nouucp', \`reject')dnl=g" \
		/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	fi;

#-----------------------------------------------------------------------------
# Convert FEATURE(dont_masquerade_local) to FEATURE(local_no_masquerade)
if [ -e /usr/share/sendmail/cf/feature/local_no_masquerade.m4 ]; then
	if (grep -qEe "^[[:space:]]*\`?FEATURE\(\`?dont_masquerade_local'?\)" \
		/etc/mail/sendmail.mc); then
		echo "Correcting FEATURE(dont_masquerade_local) in /etc/mail/sendmail.mc";
		sed -e "s=^\([[:space:]]*\)\(\`\?\)FEATURE(\`\?dont_masquerade_local'\?)\(dnl\)\?=\1\2FEATURE(\`local_no_masquerade')dnl=g" \
			/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
		new_mc sendmail;
		fi;
	fi;

#-----------------------------------------------------------------------------
# Convert FEATURE(access_db,...) to FEATURE(access_db)
if (grep -qEe "^[[:space:]]*\`?FEATURE\(\`?access_db'?[[:space:]]*,.*\)" \
	/etc/mail/sendmail.mc); then
	sed -e "s=^\([[:space:]]*\)\(\`\?\)FEATURE(\`\?access_db'\?[[:space:]]*,[[:space:]]*\`\?hash[[:space:]]*\(-o\)\?[[:space:]]*/etc/mail/access.db'\?[[:space:]]*)\(dnl\)\?=\1\2FEATURE(\`access_db')dnl=g" \
	/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	fi;

#-----------------------------------------------------------------------------
# change include(/usr/share/sendmail/sendmail.cf/m4/cf.m4)
if (grep -qEe "^[[:space:]]*\`?include\(\`?/usr/share/sendmail/sendmail.cf/m4/cf.m4'?\)" \
	/etc/mail/sendmail.mc); then
	sed -e "s=sendmail/sendmail.cf=sendmail/cf=g" \
		/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	if [ -f /etc/mail/submit.mc ]; then
		sed -e "s=sendmail/sendmail.cf=sendmail/cf=g" \
			/etc/mail/submit.mc > /etc/mail/submit.mc.new;
		new_mc submit;
		fi;
	fi;

#-----------------------------------------------------------------------------
# Add include(/usr/share/sendmail/cf/m4/cf.m4)
if (grep -qEe "^[[:space:]]*\`?include\(\`?/usr/share/sendmail/cf/m4/cf.m4'?\)" \
	/etc/mail/sendmail.mc); then
	:;
else
	echo "Adding include(.../cf.m4) to /etc/mail/sendmail.mc";
	sed -e "s=^\([[:space:]]*\)\(\`\?\)VERSIONID(=\1\2include(\`/usr/share/sendmail/cf/m4/cf.m4')dnl\\
\1\2VERSIONID(=" \
		/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	fi;

#-----------------------------------------------------------------------------
# Add define(`_USE_ETC_MAIL_')dnl
if (grep -qEe "^[[:space:]]*\`?define\(\`?_USE_ETC_MAIL_" \
	/etc/mail/sendmail.mc); then
	:;
else
	sed -e "s=^\([[:space:]]*\)\(\`\?\)include(\`\?/usr/share/sendmail/cf/m4/cf.m4'\?)\(dnl\)\?=\1\2define(\`_USE_ETC_MAIL_')dnl\\
include(\`/usr/share/sendmail/cf/m4/cf.m4')dnl=" \
		/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	fi;

#-----------------------------------------------------------------------------
# Check for badness
if (grep -qEe "^[[:space:]]*\`?OSTYPE\(\`?linux'?\)" \
	/etc/mail/sendmail.mc); then
	sed -e 	"s=^\([[:space:]]*\)\(\`\?\)OSTYPE(\`\?linux'\?)\(dnl\)\?=\1\2OSTYPE(\`debian')dnl=" \
		/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
		new_mc sendmail;
	fi;

#-----------------------------------------------------------------------------
# Add DOMAIN(debian-mta)
if (grep -qEe "^[[:space:]]*\`?DOMAIN\(\`?debian-mta'?\)" \
	/etc/mail/sendmail.mc); then
	:;
else
	echo "Adding DOMAIN(debian-mta) to /etc/mail/sendmail.mc";
	sed -e "s=^\([[:space:]]*\)\(\`\?\)OSTYPE(\`\?debian'\?)\(dnl\)\?=\1\2OSTYPE(\`debian')dnl\\
\1\2DOMAIN(\`debian-mta')dnl=" \
		/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	fi;

#-----------------------------------------------------------------------------
# Add sendmail.conf customization area
if (grep -qEe "^dnl # Items controlled by /etc/mail/sendmail.conf" \
	/etc/mail/sendmail.mc); then
	:;
else
	echo "Adding sendmail.conf customization area to /etc/mail/sendmail.mc";
	sed -e "s=^\([[:space:]]*\)\(\`\?\)DOMAIN(\`\?debian-mta'\?)\(dnl\)\?=\1\2DOMAIN(\`debian-mta')dnl\\
dnl # Items controlled by /etc/mail/sendmail.conf - DO NOT TOUCH HERE \\
dnl undefine(\`confHOST_STATUS_DIRECTORY')dnl		#DAEMON_HOSTSTATS \\
dnl # Items controlled by /etc/mail/sendmail.conf - DO NOT TOUCH HERE=" \
	/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
	new_mc sendmail;
	fi;

#-----------------------------------------------------------------------------
# Update items in sendmail.conf customization area
case "$DAEMON_HOSTSTATS" in
	[Nn]*)
		if (grep -qEe "^dnl undefine\(\`confHOST_STATUS_DIRECTORY'\)dnl" \
			/etc/mail/sendmail.mc); then
			echo "Turning off Host Status collection";
			sed -e "s=^dnl undefine(\`confHOST_STATUS_DIRECTORY')dnl=undefine(\`confHOST_STATUS_DIRECTORY')dnl=" \
			/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
			new_mc sendmail;
			fi;
		;;
	[Yy]*)
		if (grep -qEe "^undefine\(\`confHOST_STATUS_DIRECTORY'\)dnl" \
			/etc/mail/sendmail.mc); then
			echo "Turning on Host Status collection";
			sed -e "s=^undefine(\`confHOST_STATUS_DIRECTORY')dnl=dnl undefine(\`confHOST_STATUS_DIRECTORY')dnl=" \
			/etc/mail/sendmail.mc > /etc/mail/sendmail.mc.new;
			new_mc sendmail;
			fi;
	esac;

#-----------------------------------------------------------------------------
# Cleanup submit.mc
if [ -f /etc/mail/submit.mc ]; then
	sed -e "/^define(\`\?confRUN_AS_USER'\?,.*$/d" \
		-e "/^define(\`\?confTRUSTED_USER'\?,.*$/d" \
		/etc/mail/submit.mc > /etc/mail/submit.mc.new;
	new_mc submit;
	fi;

exit $changed;