#!/bin/sh
-. /etc/functions.sh
+[ $# = 0 ] && { echo " $0 <group>"; exit; }
+. /etc/config/network
type=$1
-[ "$(nvram get ${type}_proto)" = "pptp" ] || exit
+eval "proto=\"\${${type}_proto}\""
+[ "$proto" = "pptp" ] || {
+ echo "$0: ${type}_proto isn't pptp"
+ exit
+}
-[ -d "/var/lock" ] || mkdir -p /var/lock || exit 1
+mkdir -p /var/lock
for module in slhc ppp_generic ppp_async ip_gre; do
/sbin/insmod $module 2>&- >&-
done
-while :; do
- PPTP_PROTO="$(nvram get pptp_proto)"
- [ "$PPTP_PROTO" = "static" ] || PPTP_PROTO=""
- PPTP_PROTO="${PPTP_PROTO:-dhcp}"
- IP=$(nvram get pptp_server_ip)
- USERNAME=$(nvram get ppp_username)
- PASSWORD=$(nvram get ppp_passwd)
- REDIAL=$(nvram get ppp_redialperiod)
- REDIAL=${REDIAL:+lcp-echo-interval $REDIAL}
- IDLETIME=$(nvram get ppp_idletime)
- IDLETIME=${IDLETIME:+lcp-echo-failure $IDLETIME}
- MTU=$(nvram get ppp_mtu)
- MTU=${MTU:-1452}
+KEEPALIVE=${ppp_redialperiod:+lcp-echo-interval $ppp_redialperiod lcp-echo-failure 5}
+case "$ppp_demand" in
+ on|1|enabled)
+ DEMAND=${ppp_idletime:+demand idle $ppp_idletime}
+ [ -f /etc/ppp/filter ] && DEMAND=${DEMAND:+precompiled-active-filter /etc/ppp/filter $DEMAND}
+ ;;
+ *) DEMAND="persist";;
+esac
+MTU=${ppp_mtu:-1452}
- do_ifup $PPTP_PROTO $type
-
- # hack for some buggy ISPs
- NETMASK=$(nvram get ${type}_netmask)
- IFNAME=$(nvram get pptp_ifname)
- [ -z "$NETMASK" -o -z "$IFNAME" ] || ifconfig $IFNAME netmask $NETMASK
+[ "$pptp_proto" = "static" ] || pptp_proto="dhcp"
+do_ifup $pptp_proto $type
- /usr/sbin/pppd nodetach \
- pty "/usr/sbin/pptp $IP --loglevel 0 --nolaunchpppd" \
- file /etc/ppp/options.pptp \
- connect /bin/true \
- usepeerdns \
- defaultroute \
- replacedefaultroute \
- linkname "$type" \
- ipparam "$type" \
- user "$USERNAME" \
- password "$PASSWORD" \
- mtu $MTU \
- mru $MTU \
- $IDLETIME \
- $REDIAL
-done &
+/usr/sbin/pppd \
+ pty "/usr/sbin/pptp $pptp_server_ip --loglevel 0 --nolaunchpppd" \
+ file /etc/ppp/options.pptp \
+ connect /bin/true \
+ usepeerdns \
+ defaultroute \
+ replacedefaultroute \
+ linkname "$type" \
+ ipparam "$type" \
+ user "$ppp_username" \
+ password "$ppp_passwd" \
+ mtu $MTU mru $MTU \
+ $DEMAND \
+ $KEEPALIVE