package/dropbear/files/dropbear.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2006 OpenWrt.org
   3 # Copyright (C) 2006 Carlos Sobrinho
   4
   5 config_cb() {
   6         local cfg="$CONFIG_SECTION"
   7         local nopasswd
   8         local type
   9         config_get cfgtype "$cfg" TYPE
  10
  11         case "$cfgtype" in
  12                 dropbear)
  13                         config_get passauth $cfg PasswordAuth
  14                         config_get port $cfg Port
  15
  16                         case "$passauth" in
  17                                 no|off|disabled|0) nopasswd=1;;
  18                         esac
  19                         DROPBEAR_ARGS="${port:+-p $port} ${nopasswd:+-s}"
  20                 ;;
  21         esac
  22 }
  23
  24 keygen() {
  25         for keytype in rsa dss; do
  26                 # check for keys
  27                 key=dropbear/dropbear_${keytype}_host_key
  28                 [ -f /tmp/$key -o -f /etc/$key ] || {
  29                         # generate missing keys
  30                         mkdir -p /tmp/dropbear
  31                         [ -x /usr/bin/dropbearkey ] && {
  32                                 /usr/bin/dropbearkey -t $keytype -f /etc/$key 2>&- >&- && exec /etc/rc.common "$initscript" start
  33                         } &
  34                 exit 0
  35                 }
  36         done
  37
  38         lock /tmp/.switch2jffs
  39         mkdir -p /etc/dropbear
  40         mv /tmp/dropbear/dropbear_* /etc/dropbear/
  41         lock -u /tmp/.switch2jffs
  42         chown root /etc/dropbear
  43         chmod 0700 /etc/dropbear
  44 }
  45
  46 start() {
  47         [ -f /etc/dropbear/dropbear_rsa_host_key -a \
  48           -f /etc/dropbear/dropbear_dss_host_key ] || keygen
  49
  50         config_load dropbear
  51         /usr/sbin/dropbear $DROPBEAR_ARGS
  52 }
  53
  54 stop() {
  55         killall dropbear
  56 }