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 $module 2>&- >&-
  11 done
  12
  13 PPTP_PROTO="$(nvram get pptp_proto)"
  14 [ "$PPTP_PROTO" = "static" ] || PPTP_PROTO=""
  15 PPTP_PROTO="${PPTP_PROTO:-dhcp}"
  16 IP=$(nvram get pptp_server_ip)
  17 USERNAME=$(nvram get ppp_username)
  18 PASSWORD=$(nvram get ppp_passwd)
  19 KEEPALIVE=$(nvram get ppp_redialperiod)
  20 KEEPALIVE=${KEEPALIVE:+lcp-echo-interval 10 lcp-echo-failure $KEEPALIVE}
  21 DEMAND=$(nvram get ppp_demand)
  22 case "$DEMAND" in
  23         on|1|enabled)
  24                 DEMAND=$(nvram get ppp_idletime)
  25                 DEMAND=${IDLETIME:+demand idle $IDLETIME}
  26                 [ -f /etc/ppp/filter ] && DEMAND=${DEMAND:+precompiled-active-filter /etc/ppp/filter $DEMAND}
  27         ;;
  28         *) DEMAND="persist";;
  29 esac
  30 MTU=$(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 ${type}_device)
  38 [ -z "$NETMASK" -o -z "$IFNAME" ] || ifconfig $IFNAME netmask $NETMASK
  39
  40 /usr/sbin/pppd \
  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