#!/bin/bash
#
# mailman-update-exim-db: Make an associated list mapping list names
# and the domain that they are associated with.
#
# This table is then used by Exim to verify that the list name and
# domain are correct.
#
# This script is meant to be called from a cron job, and run as root.

MMDIR=/var/lib/mailman
LISTDIR=$MMDIR/lists
BINDIR=$MMDIR/bin
TABLE=/etc/exim4/mailmandb
TABLE_EXT=/etc/exim4/mailmandb-ext

# Use return as separator, never space or tab.
IFS="
"

# Create table with the right permissions or clear it.
if test ! -f $TABLE; then
    touch $TABLE
    chown root:mail $TABLE
    chmod u=rw,g=r,o= $TABLE
else
    : > $TABLE
fi

# Iterate through available lists
for i in $(find $LISTDIR -mindepth 1 -maxdepth 1 -type d -print); do
    LIST=$(basename $i)
    DOMAIN=$(su list -c "$BINDIR/config_list -o - $LIST" | \
        grep -E "^host_name = '.+'" 2>/dev/null | \
        sed -r -e "s/host_name = '(.+)'/\\1/")
    if test -n "$LIST" && test -n "$DOMAIN"; then
        echo "$LIST@$DOMAIN: true" >> $TABLE
    fi
done

# Add extras file, for aliases of domains and whatnot
if test -f $TABLE_EXT; then
    cat $TABLE_EXT >> $TABLE
fi