mirror of https://github.com/aredn/aredn.git
79 lines
2.6 KiB
Plaintext
79 lines
2.6 KiB
Plaintext
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#!/bin/sh
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configmode=`uci -q -c /etc/local/uci/ get hsmmmesh.settings.config`
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if [ "$configmode" != "mesh" ] ; then exit 0; fi
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# This section will generate rtnetlink errors when the rule doesn't exist.
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# This will be most common in the case of ifup.
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# On initial boot no route will be present, and on most interface restarts
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# the route should already be gone from ifdown but some scripts do not call
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# ifup/ifdown to control the interface so we will want to make sure to
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# run a clean before hand to avoid duplicate rules.
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if [ "$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" ] ; then
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ip rule del pref 20000 iif $DEVICE lookup 30
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ip rule del pref 20001 iif $DEVICE lookup 31
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ip rule del pref 20098 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 30000 iif $DEVICE lookup 30
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ip rule del pref 30098 iif $DEVICE lookup 31
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ip rule del pref 30099 iif $DEVICE lookup main
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fi
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if [ "$INTERFACE" == "loopback" ] ; then
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ip rule del pref 30200 lookup 30
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ip rule del pref 30201 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 [ "$ACTION" = "ifup" ] ; then
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is_olsrgw=`cat /etc/config.mesh/_setup|grep -i olsrd_gw|cut -d ' ' -f 3`
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# Set routes for wifi or device to device linking
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# unreachable rule is needed to ensure packets do not traverse a rule later that considers routing to another network.
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echo "Setting routing rules."
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if [ "$INTERFACE" == "wifi" ] || [ "$INTERFACE" == "dtdlink" ]; then
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ip rule add pref 20000 iif $DEVICE lookup 30
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ip rule add pref 20001 iif $DEVICE lookup 31
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if [ $is_olsrgw -eq 1 ] ; then
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ip rule add pref 20098 iif $DEVICE lookup main
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fi
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ip rule add pref 20099 iif $DEVICE unreachable
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fi
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# Makes sure the lan interface is allowed to hit the mesh(30), meshgw(31), and local routes (main) Local ethernet is trusted to use additonal rules.
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if [ "$INTERFACE" == "lan" ] ; then
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ip rule add pref 30000 iif $DEVICE lookup 30
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ip rule add pref 30098 iif $DEVICE lookup 31
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ip rule add pref 30099 iif $DEVICE lookup main
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fi
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# Handles setting up rules for local resolution of routes. MeshGW should be last for localhost otherwise ping test of olsrd will break
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if [ "$INTERFACE" == "loopback" ] ; then
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ip rule add pref 30200 lookup 30
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ip rule add pref 30201 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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