#
# chkconfig: 345 55 45
#
-# description: sshd (secure shell daemon) is a server part of the ssh suite.
-# Ssh can be used for remote login, remote file copying, TCP port
+# description: sshd (secure shell daemon) is a server part of the ssh suite. \
+# Ssh can be used for remote login, remote file copying, TCP port \
# forwarding etc. Ssh offers strong encryption and authentication.
+SSHD_OOM_ADJUST=-17
# Source function library
. /etc/rc.d/init.d/functions
[ -f /etc/sysconfig/sshd ] && . /etc/sysconfig/sshd
# Check that networking is up.
-if is_no "${NETWORKING}"; then
- msg_network_down OpenSSH
- exit 1
+if is_yes "${NETWORKING}"; then
+ if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status -a "$1" != init ]; then
+ msg_network_down OpenSSH
+ exit 1
+ fi
+else
+ exit 0
fi
-
-# See how we were called.
-case "$1" in
- start)
+adjust_oom() {
+ if [ -e /var/run/sshd.pid ]; then
+ for pid in $(cat /var/run/sshd.pid); do
+ if [ -w "/proc/$pid/oom_adj" ]; then
+ echo "$SSHD_OOM_ADJUST" > "/proc/$pid/oom_adj" 2> /dev/null || :
+ fi
+ done
+ fi
+}
+
+checkconfig() {
+ /usr/sbin/sshd -t || exit 1
+}
+
+start() {
# generate new keys with empty passwords if they do not exist
if [ ! -f /etc/ssh/ssh_host_key -o ! -s /etc/ssh/ssh_host_key ]; then
- /usr/bin/ssh-keygen -t rsa1 -f /etc/ssh/ssh_host_key -N '' 1>&2
- chmod 600 /etc/ssh/ssh_host_key
+ /usr/bin/ssh-keygen -t rsa1 -f /etc/ssh/ssh_host_key -N '' 1>&2
+ chmod 600 /etc/ssh/ssh_host_key
+ [ -x /sbin/restorecon ] && /sbin/restorecon /etc/ssh/ssh_host_key || :
fi
if [ ! -f /etc/ssh/ssh_host_rsa_key -o ! -s /etc/ssh/ssh_host_rsa_key ]; then
- /usr/bin/ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N '' 1>&2
- chmod 600 /etc/ssh/ssh_host_rsa_key
+ /usr/bin/ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N '' 1>&2
+ chmod 600 /etc/ssh/ssh_host_rsa_key
+ [ -x /sbin/restorecon ] && /sbin/restorecon /etc/ssh/ssh_host_rsa_key || :
fi
if [ ! -f /etc/ssh/ssh_host_dsa_key -o ! -s /etc/ssh/ssh_host_dsa_key ]; then
- /usr/bin/ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N '' 1>&2
- chmod 600 /etc/ssh/ssh_host_dsa_key
+ /usr/bin/ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N '' 1>&2
+ chmod 600 /etc/ssh/ssh_host_dsa_key
+ [ -x /sbin/restorecon ] && /sbin/restorecon /etc/ssh/ssh_host_dsa_key || :
fi
+ checkconfig
+
if [ ! -f /etc/ssh/ssh_host_key ]; then
msg_not_running OpenSSH
- nls "No SSH host key found! You must run \"$0 init\" first."
+ nls "No SSH host key found! You must run \"%s init\" first." "$0"
exit 1
fi
# Check if the service is already running?
if [ ! -f /var/lock/subsys/sshd ]; then
msg_starting OpenSSH
- daemon /usr/sbin/sshd
+ daemon --pidfile /var/run/sshd.pid /usr/sbin/sshd
RETVAL=$?
- [ $RETVAL -eq 0 ] && touch /var/lock/subsys/sshd
+ adjust_oom
+ [ $RETVAL -eq 0 ] && touch /var/lock/subsys/sshd
else
msg_already_running OpenSSH
fi
- ;;
- stop)
- if [ -f /var/lock/subsys/sshd ]; then
+}
+
+stop() {
+ if [ -f /var/lock/subsys/sshd ]; then
msg_stopping OpenSSH
- killproc sshd
- rm -f /var/run/sshd.pid /var/lock/subsys/sshd >/dev/null 2>&1
+ # we use start-stop-daemon to stop sshd, as it is unacceptable for such
+ # critical service as sshd to kill it by procname, but unfortunately
+ # rc-scripts does not provide way to kill *only* by pidfile
+ start-stop-daemon --stop --quiet --pidfile /var/run/sshd.pid && ok || fail
+ rm -f /var/lock/subsys/sshd >/dev/null 2>&1
else
msg_not_running OpenSSH
- exit 1
- fi
+ fi
+}
+
+RETVAL=0
+# See how we were called.
+case "$1" in
+ start)
+ start
+ ;;
+ stop)
+ stop
;;
restart)
- $0 stop
- $0 start
+ checkconfig
+ stop
+ start
;;
status)
status sshd
exit $?
;;
init)
- echo "Now the SSH host key will be generated. Please note, that if you"
- echo "will use password for the key, you will need to type it on each"
- echo "reboot."
+ nls "Now the SSH host key will be generated. Please note, that if you"
+ nls "will use password for the key, you will need to type it on each"
+ nls "reboot."
/usr/bin/ssh-keygen -t rsa1 -f /etc/ssh/ssh_host_key
+ [ -x /sbin/restorecon ] && /sbin/restorecon /etc/ssh/ssh_host_key || :
chmod 600 /etc/ssh/ssh_host_key
/usr/bin/ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
+ [ -x /sbin/restorecon ] && /sbin/restorecon /etc/ssh/ssh_host_rsa_key || :
chmod 600 /etc/ssh/ssh_host_rsa_key
- /usr/bin/ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key
+ /usr/bin/ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key
chmod 600 /etc/ssh/ssh_host_dsa_key
+ [ -x /sbin/restorecon ] && /sbin/restorecon /etc/ssh/ssh_host_dsa_key || :
exit $?
;;
- reload)
- msg_reloading OpenSSH
- killproc sshd -HUP
+ reload|force-reload)
+ if [ -f /var/lock/subsys/sshd ]; then
+ checkconfig
+ msg_reloading OpenSSH
+ killproc sshd -HUP
+ RETVAL=$?
+ else
+ msg_not_running OpenSSH
+ exit 7
+ fi
;;
*)
- msg_usage "$0 {start|stop|init|status|restart|reload}"
- exit 1
+ msg_usage "$0 {start|stop|init|restart|reload|force-reload|status}"
+ exit 3
esac
exit $RETVAL
projects / packages / openssh.git / blobdiff