#!/bin/sh
# $Revision: 348 $
#
# 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 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
# (c) Tim Brown, 2012
# <mailto:timb@nth-dimension.org.uk>
# <http://www.nth-dimension.org.uk/> / <http://www.machine.org.uk/>
#
# Verify PostgreSQL trust relationships by connecting to localhost with
# common usernames and no password

. lib/misc/file
. lib/misc/postgresql
. lib/misc/stdio

postgresql_connection_init () {
	stdio_message_log "postgresql_connection" "Starting at: `date`"
}

postgresql_connection_main () {
	file_show_perms "/postgresql.conf$" | while read filename permissions userid groupid
	do
		if [ "`file_is_readable_file \"${filename}\"`" -eq 1 ]
		then
			egrep "^port = " "${filename}" | while read _ _ port _
			do
				dbusers="psql pgsql postgres postgresql root admin"
				printf -- "${dbusers}" | tr " " "\n" | while read dbuser
				do
					if [ "`postgresql_check_no_password \"${port}\" \"${dbuser}\"`" -eq 1 ]
					then
						stdio_message_warn "postgresql_connection" "User ${dbuser} can connect to PostgreSQL instance on port ${port}/tcp with no password"
						break
					fi
				done
			done
		fi
	done
}

postgresql_connection_fini () {
	stdio_message_log "postgresql_connection" "Ending at: `date`"
}
