#!/bin/sh
#
# migrate-domain
# John Simpson <jms1@jms1.net> 2007-10-05
#
# Full documentation at http://qmail.jms1.net/scripts/migrate-domain.shtml
#
# 2007-12-11 jms1 - adding explicit PATH assignment to generated script,
#   marking generated script executable.
#
# 2007-12-20 jms1 - fixing code to handle ezmlm lists and autoresponders.
#
# 2008-02-25 jms1 - removing double-quotes from PATH= line, some brain-dead
#   shells don't do tilde expansion within double quotes.
#
# 2008-02-29 jms1 - removed double-quotes from PATH= line in the generated
#   script as well... thanks to Bob Walter for keeping me honest.
#
# 2008-06-18 jms1 - changed "$DIR" to "\$DIR" in code which creates aliases
#   on the target machine.
#
###############################################################################
#
# Copyright (C) 2007,2008 John Simpson.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 or version 3 of the
# license, at your option.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
###############################################################################

PATH=~vpopmail/bin:/usr/bin:/bin
DOMAIN=${1:?No domain specified}
SCRIPT=$DOMAIN.sh
NOW=`date +"%Y-%m-%d %X %Z"`

##############################################################################
#
# start the output script

echo Writing script header

cat > $SCRIPT <<EOF
#!/bin/sh
#
# $SCRIPT
# Automatically generated $NOW
#
# Generated using "migrate-domain" by John Simpson <jms1@jms1.net> 2008-02-29
# Documentation at http://qmail.jms1.net/scripts/migrate-domain.shtml
#
# Restores vpopmail domain $DOMAIN

EOF

echo 'PATH=~vpopmail/bin:/usr/bin:/bin' >> $SCRIPT

DOMDIR=`vdominfo -d $DOMAIN | grep -v ^alias`

##############################################################################
#
# create the domain and handle the postmaster mailbox

echo Backing up postmaster@$DOMAIN

EPW=`vuserinfo -p postmaster@$DOMAIN`
GECOS=`vuserinfo -c postmaster@$DOMAIN`
QUOTA=`vuserinfo -q postmaster@$DOMAIN`
DIR=`vuserinfo -d postmaster@$DOMAIN`

( cd $DIR ; tar cf - . ) | gzip -c9 > $DOMAIN-postmaster.tar.gz

cat >> $SCRIPT <<EOF

########################################################################
# create the domain and configure the postmaster mailbox

echo Creating domain and postmaster@$DOMAIN

vadddomain $DOMAIN .

DOMDIR=\`vdominfo -d $DOMAIN | grep -v ^alias\`

vmoduser -e '$EPW' -c '$GECOS' -q '$QUOTA' postmaster@$DOMAIN
UDIR=\`vuserinfo -d postmaster@$DOMAIN\`
gzip -dc $DOMAIN-postmaster.tar.gz | ( cd \$UDIR ; tar xf - )
EOF

##############################################################################
#
# handle the other mailboxes

for USER in `vuserinfo -n -D $DOMAIN`
do
	if [ "$USER" = "postmaster" ]
	then
		continue
	fi

	echo Backing up mailbox $USER@$DOMAIN

	EPW=`vuserinfo -p $USER@$DOMAIN`
	GECOS=`vuserinfo -c $USER@$DOMAIN`
	QUOTA=`vuserinfo -q $USER@$DOMAIN`
	DIR=`vuserinfo -d $USER@$DOMAIN`

	( cd $DIR ; tar cf - . ) | gzip -c9 > $DOMAIN-$USER.tar.gz

	cat >> $SCRIPT <<EOF

########################################################################
# create mailbox $USER@$DOMAIN

echo Creating mailbox $USER@$DOMAIN

vadduser -e '$EPW' -c '$GECOS' -q '$QUOTA' $USER@$DOMAIN
UDIR=\`vuserinfo -d $USER@$DOMAIN\`
gzip -dc $DOMAIN-$USER.tar.gz | ( cd \$UDIR ; tar xf - )
EOF

done

##############################################################################
#
# find and back up autoresponder directories

grep '^|.*/autorespond ' $DOMDIR/.qmail-* 2>/dev/null | cut -d" " -f5 | \
while read adir
do
	aname=`echo $adir | sed 's/^.*\///'`

	echo Backing up autoresponder directory $aname

	( cd $DOMDIR ; tar cf - $aname ) | gzip -c9 > $DOMAIN-$aname.tar.gz

	cat >> $SCRIPT <<EOF

########################################################################
# create autoresponder directory $aname

echo Creating autoresponder directory $aname

gzip -dc $DOMAIN-$aname.tar.gz | ( cd \$DOMDIR ; tar xf - )
EOF

done

##############################################################################
#
# find and back up ezmlm lists

grep '^|.*/ezmlm\-warn ' $DOMDIR/.qmail-*-owner 2>/dev/null | \
	cut -d"'" -f2 | sort | uniq | \
while read ldir
do
	lname=`echo $ldir | sed 's/^.*\///'`

	echo Backing up list $lname

	( cd $DOMDIR ; tar cf - $lname ) | gzip -c9 > $DOMAIN-$lname.tar.gz

	cat >> $SCRIPT <<EOF

########################################################################
# create mailing list $lname@$DOMAIN

echo Creating mailing list $lname@$DOMAIN

gzip -dc $DOMAIN-$lname.tar.gz | ( cd \$DOMDIR ; tar xf - )
EOF

done

##############################################################################
#
# handle aliases
#
# note: this does not work with mysql back-ends, since they don't store
# aliases as .qmail files

echo Backing up .qmail files

DIR=`vdominfo -d $DOMAIN | grep -v ^alias`
( cd $DIR ; tar cf - .qmail* ) | gzip -c9 > $DOMAIN.qmail.tar.gz

	cat >> $SCRIPT <<EOF

########################################################################
# create .qmail files

echo Creating .qmail files

DIR=\`vdominfo -d $DOMAIN | grep -v ^alias\`
gzip -dc $DOMAIN.qmail.tar.gz | ( cd \$DIR ; tar xf - )

EOF

chmod +x $SCRIPT