src/initscripts/init.d/sshd

   1 #!/bin/sh
   2 # Begin $rc_base/init.d/sshd
   3
   4 # Based on sysklogd script from LFS-3.1 and earlier.
   5 # Rewritten by Gerard Beekmans  - gerard@linuxfromscratch.org
   6
   7 #$LastChangedBy: bdubbs $
   8 #$Date: 2006-04-15 17:34:16 -0500 (Sat, 15 Apr 2006) $
   9
  10 . /etc/sysconfig/rc
  11 . $rc_functions
  12
  13 case "$1" in
  14     start)
  15         if [ ! -e "/etc/ssh/ssh_host_key" ]; then
  16                 boot_mesg "Generating SSH host key..."
  17                 ssh-keygen -qf /etc/ssh/ssh_host_key -N '' -t rsa1
  18                 evaluate_retval
  19         fi
  20
  21         for algo in rsa dsa ecdsa ed25519; do
  22                 keyfile="/etc/ssh/ssh_host_${algo}_key"
  23
  24                 # If the key already exists, there is nothing to do.
  25                 [ -e "${keyfile}" ] && continue
  26
  27                 case "${algo}" in
  28                         rsa)
  29                                 algo="rsa1"
  30                                 ;;
  31                 esac
  32
  33                 boot_mesg "Generating SSH key (${algo})..."
  34                 ssh-keygen -qf "${keyfile}" -N '' -t ${algo}
  35                 evaluate_retval
  36         done
  37
  38         [ -e "/var/ipfire/remote/enablessh" ] || exit 0 # SSH is not enabled
  39         boot_mesg "Starting SSH Server..."
  40         loadproc /usr/sbin/sshd
  41
  42         # Also prevent ssh from being killed by out of memory conditions
  43         (
  44                 sleep 3
  45                 pid=$(cat /var/run/sshd.pid 2>/dev/null)
  46                 [ -n "${pid}" ] && echo "-16" > "/proc/${pid}/oom_score_adj"
  47         ) &
  48         ;;
  49
  50     stop)
  51         boot_mesg "Stopping SSH Server..."
  52         killproc /usr/sbin/sshd
  53         ;;
  54
  55     reload)
  56         boot_mesg "Reloading SSH Server..."
  57         reloadproc /usr/sbin/sshd
  58         ;;
  59
  60     restart)
  61         $0 stop
  62         sleep 1
  63         $0 start
  64         ;;
  65
  66     status)
  67         statusproc /usr/sbin/sshd
  68         ;;
  69
  70     *)
  71         echo "Usage: $0 {start|stop|reload|restart|status}"
  72         exit 1
  73         ;;
  74 esac
  75
  76 # End $rc_base/init.d/sshd