| 1 | find_gw() { |
| 2 | route -n | awk '$1 == "0.0.0.0" { print $2; exit }' |
| 3 | } |
| 4 | |
| 5 | scan_pptp() { |
| 6 | config_set "$1" device "pptp-$1" |
| 7 | } |
| 8 | |
| 9 | stop_interface_pptp() { |
| 10 | stop_interface_ppp "$1" |
| 11 | } |
| 12 | |
| 13 | coldplug_interface_pptp() { |
| 14 | setup_interface_pptp "pptp-$1" "$1" |
| 15 | } |
| 16 | |
| 17 | setup_interface_pptp() { |
| 18 | local config="$2" |
| 19 | local ifname |
| 20 | |
| 21 | local device |
| 22 | config_get device "$config" device |
| 23 | |
| 24 | local ipproto |
| 25 | config_get ipproto "$config" ipproto |
| 26 | |
| 27 | local server |
| 28 | config_get server "$config" server |
| 29 | |
| 30 | local buffering |
| 31 | config_get_bool buffering "$config" buffering 1 |
| 32 | [ "$buffering" == 0 ] && buffering="--nobuffer" || buffering= |
| 33 | |
| 34 | for module in slhc ppp_generic ppp_async ip_gre; do |
| 35 | /sbin/insmod $module 2>&- >&- |
| 36 | done |
| 37 | sleep 1 |
| 38 | |
| 39 | setup_interface "$device" "$config" "${ipproto:-dhcp}" |
| 40 | local gw="$(find_gw)" |
| 41 | [ -n "$gw" ] && { |
| 42 | [ "$gw" != 0.0.0.0 ] && route delete "$server" 2>/dev/null >/dev/null |
| 43 | route add "$server" gw "$gw" |
| 44 | } |
| 45 | |
| 46 | # fix up the netmask |
| 47 | config_get netmask "$config" netmask |
| 48 | [ -z "$netmask" -o -z "$device" ] || ifconfig $device netmask $netmask |
| 49 | |
| 50 | config_get mtu "$config" mtu |
| 51 | mtu=${mtu:-1452} |
| 52 | start_pppd "$config" \ |
| 53 | pty "/usr/sbin/pptp $server --loglevel 0 --nolaunchpppd $buffering" \ |
| 54 | file /etc/ppp/options.pptp \ |
| 55 | mtu $mtu mru $mtu |
| 56 | } |
| 57 | |
