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=$(nvram get ppp_passwd)
  20         REDIAL=$(nvram get ppp_redialperiod)
  21         REDIAL=${REDIAL:+lcp-echo-interval $REDIAL}
  22         IDLETIME=$(nvram get ppp_idletime)
  23         IDLETIME=${IDLETIME:+lcp-echo-failure $IDLETIME}
  24         MTU=$(nvram get ppp_mtu)
  25         MTU=${MTU:-1452}
  26
  27         do_ifup $PPTP_PROTO $type
  28
  29         # hack for some buggy ISPs
  30         NETMASK=$(nvram get ${type}_netmask)
  31         IFNAME=$(nvram get pptp_ifname)
  32         [ -z "$NETMASK" -o -z "$IFNAME" ] || ifconfig $IFNAME netmask $NETMASK
  33
  34         /usr/sbin/pppd nodetach \
  35                 pty "/usr/sbin/pptp $IP --loglevel 0 --nolaunchpppd" \
  36                 file /etc/ppp/options.pptp \
  37                 connect /bin/true \
  38                 usepeerdns \
  39                 defaultroute \
  40                 replacedefaultroute \
  41                 linkname "$type" \
  42                 ipparam "$type" \
  43                 user "$USERNAME" \
  44                 password "$PASSWORD" \
  45                 mtu $MTU \
  46                 mru $MTU \
  47                 $IDLETIME \
  48                 $REDIAL
  49 done &
  50