openwrt/package/pptp/files/ifup.pptp

   1 #!/bin/sh
   2 . /etc/functions.sh
   3 type=$1
   4
   5 [ "$(nvram get ${type}_proto)" = "pptp" ] || exit
   6
   7 [ -d "/var/lock" ] || mkdir -p /var/lock || exit 1
   8
   9 for module in slhc ppp_generic ppp_async ip_gre; do
  10         /sbin/insmod $module 2>&- >&-
  11 done
  12
  13 while :; do
  14         PPTP_PROTO="$(nvram get pptp_proto)"
  15         [ "$PPTP_PROTO" = "static" ] || PPTP_PROTO=""
  16         PPTP_PROTO="${PPTP_PROTO:-dhcp}"
  17         IP=$(nvram get pptp_server_ip)
  18         USERNAME=$(nvram get ppp_username)
  19         PASSWORD=$(nvram get ppp_passwd)
  20         KEEPALIVE=$(nvram get ppp_redialperiod)
  21         KEEPALIVE=${KEEPALIVE:+lcp-echo-interval 10 lcp-echo-failure $KEEPALIVE}
  22         DEMAND=$(nvram get ppp_demand)
  23         case "$DEMAND" in
  24                 on|1|enabled)
  25                         DEMAND=$(nvram get ppp_idletime)
  26                         DEMAND=${IDLETIME:+demand idle $IDLETIME}
  27                 ;;
  28                 *) DEMAND="";;
  29         esac
  30         MTU=$(nvram get ppp_mtu)
  31         MTU=${MTU:-1452}
  32
  33         do_ifup $PPTP_PROTO $type
  34
  35         # hack for some buggy ISPs
  36         NETMASK=$(nvram get ${type}_netmask)
  37         IFNAME=$(nvram get pptp_ifname)
  38         [ -z "$NETMASK" -o -z "$IFNAME" ] || ifconfig $IFNAME netmask $NETMASK
  39
  40         /usr/sbin/pppd nodetach \
  41                 pty "/usr/sbin/pptp $IP --loglevel 0 --nolaunchpppd" \
  42                 file /etc/ppp/options.pptp \
  43                 connect /bin/true \
  44                 usepeerdns \
  45                 defaultroute \
  46                 replacedefaultroute \
  47                 linkname "$type" \
  48                 ipparam "$type" \
  49                 user "$USERNAME" \
  50                 password "$PASSWORD" \
  51                 mtu $MTU mru $MTU \
  52                 $DEMAND \
  53                 $KEEPALIVE
  54 done &
  55