mirror of https://github.com/aredn/aredn.git
96 lines
3.6 KiB
Bash
Executable File
96 lines
3.6 KiB
Bash
Executable File
#!/bin/sh
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xlink=$(uci -q -c /etc/config.mesh/ show xlink | grep "ifname='${DEVICE}'")
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# This section will generate rtnetlink errors when the rule doesn't exist.
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# This will be most common in the case of ifup.
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# On initial boot no route will be present, and on most interface restarts
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# the route should already be gone from ifdown but some scripts do not call
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# ifup/ifdown to control the interface so we will want to make sure to
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# run a clean before hand to avoid duplicate rules.
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if [ "$ACTION" = "ifdown" ] || [ "$ACTION" = "ifup" ] ; then
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echo "Deleting specific routing rules that may exist."
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if [ "$INTERFACE" == "wifi" ] || [ "$INTERFACE" == "dtdlink" ] || [ "${INTERFACE:0:3}" == "tun" ] || [ "$xlink" != "" ] ; then
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ip rule del pref 20010 iif $DEVICE lookup 29
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ip rule del pref 20020 iif $DEVICE lookup 30
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ip rule del pref 20080 iif $DEVICE lookup 31
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ip rule del pref 20090 iif $DEVICE lookup main
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ip rule del pref 20099 iif $DEVICE unreachable
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fi
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if [ "$INTERFACE" == "lan" ] ; then
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ip rule del pref 30010 iif $DEVICE lookup 29
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ip rule del pref 30020 iif $DEVICE lookup 30
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ip rule del pref 30090 iif $DEVICE lookup main
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ip rule del pref 30099 iif $DEVICE lookup 31
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fi
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if [ "$INTERFACE" == "loopback" ] ; then
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ip rule del pref 30210 lookup 29
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ip rule del pref 30220 lookup 30
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ip rule del pref 30290 lookup main
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ip rule del pref 30299 lookup 31
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fi
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fi
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if [ "$ACTION" = "ifup" ] ; then
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is_olsrgw=$(/sbin/uci -q get aredn.@wan[0].olsrd_gw)
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# Set routes for wifi or device to device linking
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# unreachable rule is needed to ensure packets do not traverse a rule later that considers routing to another network.
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echo "Setting routing rules."
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if [ "$INTERFACE" == "wifi" ] || [ "$INTERFACE" == "dtdlink" ] || [ "${INTERFACE:0:3}" = "tun" ] || [ "${INTERFACE:0:2}" = "wg" ] || [ "$xlink" != "" ]; then
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ip rule add pref 20010 iif $DEVICE lookup 29
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ip rule add pref 20020 iif $DEVICE lookup 30
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ip rule add pref 20080 iif $DEVICE lookup 31
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if [ $is_olsrgw -eq 1 ] ; then
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ip rule add pref 20090 iif $DEVICE lookup main
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fi
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ip rule add pref 20099 iif $DEVICE unreachable
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fi
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# Makes sure the lan interface is allowed to hit the local interfaces(29) mesh(30), meshgw(31), and local routes (main) Local ethernet is trusted to use additonal rules.
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if [ "$INTERFACE" == "lan" ] ; then
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ip rule add pref 30010 iif $DEVICE lookup 29
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ip rule add pref 30020 iif $DEVICE lookup 30
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ip rule add pref 30090 iif $DEVICE lookup main
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ip rule add pref 30099 iif $DEVICE lookup 31
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# Lets go ahead and set the route to the local network here since we only need to be able to route to it after the interface comes up.
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lan_ipaddr=$(uci -q get network.lan.ipaddr)
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lan_netmask=$(uci -q get network.lan.netmask)
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bridge=$(uci -q get network.lan.type)
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if [ $bridge = "bridge" ] ; then
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lan_ifname="br-lan"
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else
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lan_ifname=$(uci -q get network.lan.device | cut -f1)
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fi
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if [ "$lan_ifname" != "" ] && [ "$lan_ipaddr" != "" ] && [ "$lan_netmask" != "" ] ; then
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lan_networkip=$(ipcalc.sh $lan_ipaddr $lan_netmask|grep NETWORK|cut -d'=' -f2)
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ip route add $lan_networkip/$lan_netmask table 29 dev $lan_ifname
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fi
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fi
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# Handles setting up rules for local resolution of routes. MeshGW should be last for localhost otherwise ping test of olsrd will break
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if [ "$INTERFACE" == "loopback" ] ; then
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ip rule add pref 30210 lookup 29
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ip rule add pref 30220 lookup 30
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ip rule add pref 30290 lookup main
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ip rule add pref 30299 lookup 31
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fi
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fi
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# Ensure we send a good exit code
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exit 0;
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