package/dropbear/files/dropbear.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2006 OpenWrt.org
   3 START=50
   4 # Copyright (C) 2006 Carlos Sobrinho
   5
   6 config_cb() {
   7         local cfg="$CONFIG_SECTION"
   8         local nopasswd
   9         local cfgt
  10         config_get cfgt "$cfg" TYPE
  11
  12         case "$cfgt" in
  13                 dropbear)
  14                         config_get passauth $cfg PasswordAuth
  15                         config_get port $cfg Port
  16
  17                         case "$passauth" in
  18                                 no|off|disabled|0) nopasswd=1;;
  19                         esac
  20                         DROPBEAR_ARGS="${nopasswd:+-s }${port:+-p $port}"
  21                 ;;
  22         esac
  23 }
  24
  25 keygen() {
  26         for keytype in rsa dss; do
  27                 # check for keys
  28                 key=dropbear/dropbear_${keytype}_host_key
  29                 [ -f /tmp/$key -o -f /etc/$key ] || {
  30                         # generate missing keys
  31                         mkdir -p /tmp/dropbear
  32                         [ -x /usr/bin/dropbearkey ] && {
  33                                 /usr/bin/dropbearkey -t $keytype -f /tmp/$key 2>&- >&- && exec /etc/rc.common "$initscript" start
  34                         } &
  35                 exit 0
  36                 }
  37         done
  38
  39         lock /tmp/.switch2jffs
  40         mkdir -p /etc/dropbear
  41         mv /tmp/dropbear/dropbear_* /etc/dropbear/
  42         lock -u /tmp/.switch2jffs
  43         chown root /etc/dropbear
  44         chmod 0700 /etc/dropbear
  45 }
  46
  47 start() {
  48         [ -f /etc/dropbear/dropbear_rsa_host_key -a \
  49           -f /etc/dropbear/dropbear_dss_host_key ] || keygen
  50
  51         config_load dropbear
  52         /usr/sbin/dropbear $DROPBEAR_ARGS
  53 }
  54
  55 stop() {
  56         killall dropbear
  57 }