464xlat: add ip rule logic in the proto shell handler

[lede-routing/.git] / nat46 / files / 464xlat.sh

diff --git a/nat46/files/464xlat.sh b/nat46/files/464xlat.sh
index 2ec1094a80c3d6af0a44c3c6b108952384f11cec..4b3cd1c9328d023598b33c1f8ff4d4b098904ea5 100755 (executable)
--- a/nat46/files/464xlat.sh
+++ b/nat46/files/464xlat.sh
@@ -43,6 +43,11 @@ proto_464xlat_setup() {
                return
        fi
 
+       ip -6 rule del from all lookup local
+       ip -6 rule add from all lookup local pref 1
+       ip -6 rule add to $ip6addr lookup prelocal pref 0
+       echo "$ip6addr" > /tmp/464-$cfg-anycast
+
        proto_init_update "$link" 1
        proto_add_ipv4_route "0.0.0.0" 0 "" "" 2048
        proto_add_ipv6_route $ip6addr 128 "" "" "" "" 128
@@ -74,7 +79,20 @@ proto_464xlat_setup() {
 }
 
 proto_464xlat_teardown() {
-       464xlatcfg "464-$1"
+       local cfg="$1"
+       local link="464-$cfg"
+       local ip6addr=$(cat /tmp/464-$cfg-anycast)
+       local anycast_active
+
+       464xlatcfg "$link"
+
+       rm -rf /tmp/464-$cfg-anycast
+       ip -6 rule del to $ip6addr lookup prelocal
+
+       if [ -z "$(ls /tmp/464-*-anycast 2>&-)" ]; then
+               ip -6 rule del from all lookup local
+               ip -6 rule add from all lookup local pref 0
+       fi
 }
 
 proto_464xlat_init_config() {