forked from freifunk-franken/firmware
fff-layer3-config: add rules for router_ip
This forces routes for packets originating from a router_ip to be looked up in the fff table. If the router_ips don't happen to be included in the client network's subnet, the decision defaults to a main table lookup. This causes packets to choose the wrong interface. This patch forces packets from a router_ip to be routed via the fff table. Fixes #175 Signed-off-by: Johannes Kimmel <fff@bareminimum.eu>
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@ -1,3 +1,5 @@
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. /lib/functions.sh
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configure() {
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configure() {
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local router_ip
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local router_ip
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local router_ip6
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local router_ip6
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@ -9,16 +11,46 @@ configure() {
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# remove netmask entry that ships by default
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# remove netmask entry that ships by default
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uci -q del network.loopback.netmask
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uci -q del network.loopback.netmask
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# clean old rules
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remove_rules() {
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local name="$1"
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# check if filter was added by this script
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if ! [ "$(uci -q get network.$name.addedbyautoconfig)" = '30-network-routerip' ]; then
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return
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fi
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uci -q del network.$name
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}
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config_load network
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config_foreach remove_rules rule
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config_foreach remove_rules rule6
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# add router_ip
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# add router_ip
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router_ip=$(uci -q get gateway.meta.router_ip)
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router_ip=$(uci -q get gateway.meta.router_ip)
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for ip in $router_ip; do
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for ip in $router_ip; do
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uci -q add_list network.loopback.ipaddr="$ip"
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uci -q add_list network.loopback.ipaddr="$ip"
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config=$(uci add network rule)
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uci -q set network.$config.src="$ip"
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uci -q set network.$config.lookup='fff'
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# default prio for the ip4table interface option is 10000
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uci -q set network.$config.priority='10000'
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uci -q set network.$config.addedbyautoconfig='30-network-routerip'
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done
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done
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# add router_ip6
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# add router_ip6
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router_ip6=$(uci -q get gateway.meta.router_ip6)
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router_ip6=$(uci -q get gateway.meta.router_ip6)
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for ip in $router_ip6; do
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for ip in $router_ip6; do
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uci -q add_list network.loopback.ip6addr="$ip"
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uci -q add_list network.loopback.ip6addr="$ip"
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config=$(uci add network rule6)
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uci -q set network.$config.src="$ip"
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uci -q set network.$config.lookup='fff'
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# default prio for the ip6table interface option is 10000
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uci -q set network.$config.priority='10000'
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uci -q set network.$config.addedbyautoconfig='30-network-routerip'
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done
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done
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}
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}
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