metasploitable3/chef/cookbooks/mysql/templates/default/systemd/mysqld-wait-ready.erb
2017-02-13 15:53:51 -06:00

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#!/bin/sh
daemon_pid="$1"
# Wait for the server to come up or for the mysqld process to disappear
ret=0
while /bin/true; do
RESPONSE=`/usr/bin/mysqladmin --no-defaults --socket="<%= @socket_file %>" --user=UNKNOWN_MYSQL_USER ping 2>&1`
mret=$?
if [ $mret -eq 0 ]; then
break
fi
# exit codes 1, 11 (EXIT_CANNOT_CONNECT_TO_SERVICE) are expected,
# anything else suggests a configuration error
if [ $mret -ne 1 -a $mret -ne 11 ]; then
ret=1
break
fi
# "Access denied" also means the server is alive
echo "$RESPONSE" | grep -q "Access denied for user" && break
# Check process still exists
if ! /bin/kill -0 $daemon_pid 2>/dev/null; then
ret=1
break
fi
sleep 1
done
exit $ret