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58 lines
1.3 KiB
Bash
58 lines
1.3 KiB
Bash
find_route() {
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ip route get $1 | sed -e 's/ /\n/g' | \
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sed -ne '1p;/via/{N;p};/dev/{N;p};/src/{N;p};/mtu/{N;p}'
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}
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scan_pptp() {
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config_set "$1" device "pptp-$1"
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}
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stop_interface_pptp() {
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stop_interface_ppp "$1"
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for ip in $(uci_get_state network "$1" serv_addrs); do
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ip route del "$ip" 2>/dev/null
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done
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}
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coldplug_interface_pptp() {
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setup_interface_pptp "pptp-$1" "$1"
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}
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setup_interface_pptp() {
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local config="$2"
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local ifname
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local device
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config_get device "$config" device
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local server
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config_get server "$config" server
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local buffering
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config_get_bool buffering "$config" buffering 1
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[ "$buffering" == 0 ] && buffering="--nobuffer" || buffering=
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for module in slhc ppp_generic ppp_async ip_gre; do
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/sbin/insmod $module 2>&- >&-
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done
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sleep 1
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local serv_addrs=""
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for ip in $(resolveip -t 3 "${server}"); do
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append serv_addrs "$ip"
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ip route replace $(find_route $ip)
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done
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uci_toggle_state network "$config" serv_addrs "$serv_addrs"
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# fix up the netmask
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config_get netmask "$config" netmask
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[ -z "$netmask" -o -z "$device" ] || ifconfig $device netmask $netmask
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config_get mtu "$config" mtu
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mtu=${mtu:-1452}
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start_pppd "$config" \
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pty "/usr/sbin/pptp $server --loglevel 0 --nolaunchpppd $buffering" \
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file /etc/ppp/options.pptp \
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mtu $mtu mru $mtu
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}
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