[ar71xx] fix dir-825-b1 default network config after r21905
[openwrt.git] / package / pptp / files / pptp.sh
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 }
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