+oom never
+
+pre-start script
+ test -x /usr/sbin/sshd || { stop; exit 0; }
+ test -c /dev/null || { stop; exit 0; }
+
+ if [ ! -s /etc/ssh/ssh_host_key \
+ -o ! -s /etc/ssh/ssh_host_rsa_key \
+ -o ! -s /etc/ssh/ssh_host_dsa_key \
+ -o ! -s /etc/ssh/ssh_host_ecdsa_key \
+ ]; then
+ # call gen keys if any of the files above is missing or empty
+ /etc/rc.d/init.d/sshd ssh_gen_keys
+ fi
+end script