contrib/redhat/sshd.init

   1 #!/bin/bash
   2
   3 # Init file for OpenSSH server daemon
   4 #
   5 # chkconfig: 2345 55 25
   6 # description: OpenSSH server daemon
   7 #
   8 # processname: sshd
   9 # config: /etc/ssh/ssh_host_key
  10 # config: /etc/ssh/ssh_host_key.pub
  11 # config: /etc/ssh/ssh_random_seed
  12 # config: /etc/ssh/sshd_config
  13 # pidfile: /var/run/sshd.pid
  14
  15 # source function library
  16 . /etc/rc.d/init.d/functions
  17
  18 RETVAL=0
  19
  20 # Some functions to make the below more readable
  21 KEYGEN=/usr/bin/ssh-keygen
  22 RSA1_KEY=/etc/ssh/ssh_host_key
  23 RSA_KEY=/etc/ssh/ssh_host_rsa_key
  24 DSA_KEY=/etc/ssh/ssh_host_dsa_key
  25 PID_FILE=/var/run/sshd.pid
  26 do_rsa1_keygen() {
  27         if ! test -f $RSA1_KEY ; then
  28                 echo -n "Generating SSH1 RSA host key: "
  29                 if $KEYGEN -q -t rsa1 -f $RSA1_KEY -C '' -N '' >&/dev/null; then
  30                         success "RSA1 key generation"
  31                         echo
  32                 else
  33                         failure "RSA1 key generation"
  34                         echo
  35                         exit 1
  36                 fi
  37         fi
  38 }
  39 do_rsa_keygen() {
  40         if ! test -f $RSA_KEY ; then
  41                 echo -n "Generating SSH2 RSA host key: "
  42                 if $KEYGEN -q -t rsa -f $RSA_KEY -C '' -N '' >&/dev/null; then
  43                         success "RSA key generation"
  44                         echo
  45                 else
  46                         failure "RSA key generation"
  47                         echo
  48                         exit 1
  49                 fi
  50         fi
  51 }
  52 do_dsa_keygen() {
  53         if ! test -f $DSA_KEY ; then
  54                 echo -n "Generating SSH2 DSA host key: "
  55                 if $KEYGEN -q -t dsa -f $DSA_KEY -C '' -N '' >&/dev/null; then
  56                         success "DSA key generation"
  57                         echo
  58                 else
  59                         failure "DSA key generation"
  60                         echo
  61                         exit 1
  62                 fi
  63         fi
  64 }
  65
  66 case "$1" in
  67         start)
  68                 # Create keys if necessary
  69                 do_rsa1_keygen;
  70                 do_rsa_keygen;
  71                 do_dsa_keygen;
  72
  73                 echo -n "Starting sshd: "
  74                 if [ ! -f $PID_FILE ] ; then
  75                         sshd
  76                         RETVAL=$?
  77                         if [ "$RETVAL" = "0" ] ; then
  78                                 success "sshd startup"
  79                                 touch /var/lock/subsys/sshd
  80                         else
  81                                 failure "sshd startup"
  82                         fi
  83                 fi
  84                 echo
  85                 ;;
  86         stop)
  87                 echo -n "Shutting down sshd: "
  88                 if [ -f $PID_FILE ] ; then
  89                         killproc sshd
  90                         RETVAL=$?
  91                         [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/sshd
  92                 fi
  93                 echo
  94                 ;;
  95         restart)
  96                 $0 stop
  97                 $0 start
  98                 RETVAL=$?
  99                 ;;
 100         condrestart)
 101                 if [ -f /var/lock/subsys/sshd ] ; then
 102                         $0 stop
 103                         $0 start
 104                         RETVAL=$?
 105                 fi
 106                 ;;
 107         status)
 108                 status sshd
 109                 RETVAL=$?
 110                 ;;
 111         *)
 112                 echo "Usage: sshd {start|stop|restart|status|condrestart}"
 113                 exit 1
 114                 ;;
 115 esac
 116
 117 exit $RETVAL