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|
#!/bin/bash
#
# Init file for OpenSSH server daemon
#
# chkconfig: 2345 55 25
# description: OpenSSH server daemon
#
# processname: sshd
# config: /etc/ssh/ssh_host_key
# config: /etc/ssh/ssh_host_key.pub
# config: /etc/ssh/ssh_random_seed
# config: /etc/ssh/sshd_config
# pidfile: /var/run/sshd.pid
# source function library
. /etc/rc.d/init.d/functions
# pull in sysconfig settings
[ -f /etc/sysconfig/sshd ] && . /etc/sysconfig/sshd
RETVAL=0
prog="sshd"
# Some functions to make the below more readable
KEYGEN=/usr/bin/ssh-keygen
SSHD=/usr/sbin/sshd
RSA_KEY=/etc/ssh/ssh_host_rsa_key
DSA_KEY=/etc/ssh/ssh_host_dsa_key
PID_FILE=/var/run/sshd.pid
my_success() {
local msg
if [ $# -gt 1 ]; then
msg="$2"
else
msg="done"
fi
case "`type -type success`" in
function)
success "$1"
;;
*)
echo -n "${msg}"
;;
esac
}
my_failure() {
local msg
if [ $# -gt 1 ]; then
msg="$2"
else
msg="FAILED"
fi
case "`type -type failure`" in
function)
failure "$1"
;;
*)
echo -n "${msg}"
;;
esac
}
do_rsa_keygen() {
if [ ! -s $RSA_KEY ]; then
echo -n "Generating SSH2 RSA host key: "
if $KEYGEN -q -t rsa -f $RSA_KEY -C '' -N '' >&/dev/null; then
chmod 600 $RSA_KEY
chmod 644 $RSA_KEY.pub
my_success "RSA key generation"
echo
else
my_failure "RSA key generation"
echo
exit 1
fi
fi
}
do_dsa_keygen() {
if [ ! -s $DSA_KEY ]; then
echo -n "Generating SSH2 DSA host key: "
if $KEYGEN -q -t dsa -f $DSA_KEY -C '' -N '' >&/dev/null; then
chmod 600 $DSA_KEY
chmod 644 $DSA_KEY.pub
my_success "DSA key generation"
echo
else
my_failure "DSA key generation"
echo
exit 1
fi
fi
}
do_restart_sanity_check() {
$SSHD -t
RETVAL=$?
if [ ! "$RETVAL" = 0 ]; then
my_failure "Configuration file or keys"
echo
fi
}
case "$1" in
start)
# Create keys if necessary
do_rsa_keygen;
do_dsa_keygen;
echo -n "Starting sshd: "
if [ ! -f $PID_FILE ] ; then
sshd $OPTIONS
RETVAL=$?
if [ "$RETVAL" = "0" ] ; then
my_success "sshd startup" "sshd"
touch /var/lock/subsys/sshd
else
my_failure "sshd startup" ""
fi
fi
echo
;;
stop)
echo -n "Shutting down sshd: "
if [ -f $PID_FILE ] ; then
killproc sshd
RETVAL=$?
[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/sshd
fi
echo
;;
restart)
do_restart_sanity_check
$0 stop
$0 start
RETVAL=$?
;;
condrestart)
if [ -f /var/lock/subsys/sshd ] ; then
do_restart_sanity_check
$0 stop
$0 start
RETVAL=$?
fi
;;
status)
status sshd
RETVAL=$?
;;
*)
echo "Usage: sshd {start|stop|restart|status|condrestart}"
exit 1
;;
esac
exit $RETVAL
|
