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https://github.com/Ysurac/openmptcprouter-feeds.git
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89 lines
2.3 KiB
Bash
89 lines
2.3 KiB
Bash
#!/bin/sh
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#
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# Load the multipath config
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#
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# Author: Mario Krueger <openwrt at xedp3x.de>
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# Released under GPL 3 or later
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[ "$ACTION" = ifup -o "$ACTION" = ifupdate ] || exit 0
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enable=`uci -q get network.globals.multipath` || exit 0
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[ "$enable" = "enable" ] || exit 0
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. /lib/functions.sh
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. /lib/functions/network.sh
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id=0
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count=1
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set_default() {
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local mode
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local config="$1"
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count=$(($count+1))
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local iface
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config_get iface "$config" ifname
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[ "$iface" = "$INTERFACE" ] && id=$count
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config_get mode "$config" multipath
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[ "$mode" = "master" ] && {
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local gateway
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network_get_gateway gateway $config || {
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logger -t multipath master device $DEVICE has no gateway!
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#Fallback: use upcomming interface...
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network_get_gateway gateway $INTERFACE
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config=$INTERFACE
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}
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local iface
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config_get iface "$config" ifname
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[ -n "gateway" ] && {
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ip route replace default via $gateway dev $iface || {
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#Fallback: use upcomming interface...
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network_get_gateway gateway $INTERFACE
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ip route replace default via $gateway dev $INTERFACE
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logger -t multipath Failed to set default multipath device! Use $INTERFACE as fallback...
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}
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}
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}
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}
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config_load network
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config_foreach set_default interface
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[ $id = 0 ] && {
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logger -t multipath device $INTERFACE not found!
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echo device $INTERFACE not found!
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exit 1
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}
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mode=`uci -q get network.$INTERFACE.multipath` || mode='off'
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[ -n "$(ifconfig | grep $DEVICE)" ] || exit 0
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case "$mode" in
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"off")
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multipath $DEVICE off
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exit 0;;
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"master")
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mode="on";;
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"on");;
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"backup");;
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"handover");;
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*)
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logger -t multipath Wrong multipath value for device $DEVICE
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exit 1;;
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esac
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# Update kernel flags
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multipath $DEVICE $mode
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# IPv4 Updates:
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network_get_ipaddr ipaddr $INTERFACE
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network_get_gateway gateway $INTERFACE
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network_get_subnet network $INTERFACE
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__network_ifstatus netmask $INTERFACE "['ipv4-address'][0]['mask']"
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network=`ipcalc.sh $network | sed -n '/NETWORK=/{;s/.*=//;s/ .*//;p;}'`
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ip rule del table $id
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ip route flush $id
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ip rule add from $ipaddr table $id
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ip route add $network/$netmask dev $DEVICE scope link table $id
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ip route add default via $gateway dev $DEVICE table $id
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ip route flush $id
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