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@ -18,6 +18,72 @@ find_6to4_prefix() { |
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printf "2002:%02x%02x:%02x%02x\n" $1 $2 $3 $4 |
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} |
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set_6to4_radvd_interface() { |
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local cfgid="$1" |
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local lanif="${2:-lan}" |
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local ifsection="" |
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find_ifsection() { |
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local net |
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local cfg="$1" |
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config_get net "$cfg" interface |
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[ "$net" = "$lanif" ] && { |
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ifsection="$cfg" |
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return 1 |
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} |
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} |
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config_foreach find_ifsection interface |
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[ -z "$ifsection" ] && { |
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ifsection="iface_$sid" |
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uci_set_state radvd "$ifsection" "" interface |
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uci_set_state radvd "$ifsection" interface "$lanif" |
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} |
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uci_set_state radvd "$ifsection" ignore 0 |
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uci_set_state radvd "$ifsection" IgnoreIfMissing 1 |
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uci_set_state radvd "$ifsection" AdvSendAdvert 1 |
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uci_set_state radvd "$ifsection" MaxRtrAdvInterval 30 |
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} |
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set_6to4_radvd_prefix() { |
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local cfgid="$1" |
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local lanif="${2:-lan}" |
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local wanif="${3:-wan}" |
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local prefix="${4:-0:0:0:1::/64}" |
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local pfxsection="" |
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find_pfxsection() { |
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local net base |
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local cfg="$1" |
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config_get net "$cfg" interface |
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config_get base "$cfg" Base6to4Interface |
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[ "$net" = "$lanif" ] && [ "$base" = "$wanif" ] && { |
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pfxsection="$cfg" |
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return 1 |
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} |
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} |
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config_foreach find_pfxsection prefix |
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[ -z "$pfxsection" ] && { |
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pfxsection="prefix_${sid}_${lanif}" |
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uci_set_state radvd "$pfxsection" "" prefix |
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uci_set_state radvd "$pfxsection" ignore 0 |
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uci_set_state radvd "$pfxsection" interface "$lanif" |
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uci_set_state radvd "$pfxsection" prefix "$prefix" |
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uci_set_state radvd "$pfxsection" AdvOnLink 1 |
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uci_set_state radvd "$pfxsection" AdvAutonomous 1 |
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uci_set_state radvd "$pfxsection" AdvValidLifetime 300 |
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uci_set_state radvd "$pfxsection" AdvPreferredLifetime 120 |
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uci_set_state radvd "$pfxsection" Base6to4Interface "$wanif" |
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} |
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} |
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# Hook into scan_interfaces() to synthesize a .device option |
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# This is needed for /sbin/ifup to properly dispatch control |
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# to setup_interface_6to4() even if no .ifname is set in |
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@ -98,49 +164,44 @@ setup_interface_6to4() { |
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uci_set_state network "$cfg" defaultroute 1 |
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} |
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[ -f /etc/config/radvd ] && /etc/init.d/radvd enabled && { |
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local sid="6to4_$cfg" |
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uci_revert_state radvd |
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config_load radvd |
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# find delegation target |
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local adv_interface |
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config_get adv_interface "$cfg" adv_interface |
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local adv_subnet=$(uci_get network "$cfg" adv_subnet) |
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adv_subnet=$((0x${adv_subnet:-1})) |
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local adv_subnets="" |
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for adv_interface in ${adv_interface:-lan}; do |
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local adv_ifname |
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config_get adv_ifname "${adv_interface:-lan}" ifname |
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local adv_subnet=$(uci_get network "$cfg" adv_subnet) |
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grep -qs "^ *$adv_ifname:" /proc/net/dev && { |
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local subnet6="$prefix6:${adv_subnet:-1}::1/64" |
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local subnet6="$(printf "%s:%x::1/64" "$prefix6" $adv_subnet)" |
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logger -t "$link" " * Advertising IPv6 subnet $subnet6 on ${adv_interface:-lan} ($adv_ifname)" |
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ip -6 addr add $subnet6 dev $adv_ifname |
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uci_set_state network "$cfg" adv_subnet "$subnet6" |
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uci_set_state network "$cfg" adv_ifname "$adv_ifname" |
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[ -f /etc/config/radvd ] && /etc/init.d/radvd enabled && { |
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local sid="6to4_$cfg" |
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set_6to4_radvd_interface "$sid" "$adv_interface" |
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set_6to4_radvd_prefix "$sid" "$adv_interface" \ |
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"$wancfg" "$(printf "0:0:0:%x::/64" $adv_subnet)" |
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adv_subnets="${adv_subnets:+$adv_subnets }$adv_ifname:$subnet6" |
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adv_subnet=$(($adv_subnet + 1)) |
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} |
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done |
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uci -q batch <<-EOF |
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revert radvd.iface_$sid |
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revert radvd.prefix_$sid |
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set radvd.iface_$sid=interface |
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set radvd.iface_$sid.ignore=0 |
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set radvd.iface_$sid.interface=${adv_interface:-lan} |
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set radvd.iface_$sid.IgnoreIfMissing=1 |
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set radvd.iface_$sid.AdvSendAdvert=1 |
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set radvd.iface_$sid.MaxRtrAdvInterval=30 |
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set radvd.prefix_$sid=prefix |
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set radvd.prefix_$sid.ignore=0 |
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set radvd.prefix_$sid.interface=${adv_interface:-lan} |
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set radvd.prefix_$sid.prefix=0:0:0:${adv_subnet:-1}::/64 |
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set radvd.prefix_$sid.AdvOnLink=1 |
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set radvd.prefix_$sid.AdvAutonomous=1 |
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set radvd.prefix_$sid.AdvValidLifetime=300 |
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set radvd.prefix_$sid.AdvPreferredLifetime=120 |
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set radvd.prefix_$sid.Base6to4Interface=$wancfg |
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EOF |
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uci_set_state network "$cfg" adv_subnets "$adv_subnets" |
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/etc/init.d/radvd restart |
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} |
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} |
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logger -t "$link" "... started" |
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@ -157,24 +218,24 @@ stop_interface_6to4() { |
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local local6=$(uci_get_state network "$cfg" ip6addr) |
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local defaultroute=$(uci_get_state network "$cfg" defaultroute) |
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local adv_subnet=$(uci_get_state network "$cfg" adv_subnet) |
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local adv_ifname=$(uci_get_state network "$cfg" adv_ifname) |
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local adv_subnets=$(uci_get_state network "$cfg" adv_subnets) |
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grep -qs "^ *$link:" /proc/net/dev && { |
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logger -t "$link" "Shutting down ..." |
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env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$link" PROTO=6to4 /sbin/hotplug-call "iface" & |
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[ -n "$adv_subnet" ] && [ -n "$adv_ifname" ] && { |
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local sid="6to4_$cfg" |
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uci -q batch <<-EOF |
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revert radvd.iface_$sid |
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revert radvd.prefix_$sid |
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EOF |
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[ -n "$adv_subnets" ] && { |
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uci_revert_state radvd |
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/etc/init.d/radvd enabled && /etc/init.d/radvd restart |
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ip -6 addr del $adv_subnet dev $adv_ifname |
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local adv_subnet |
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for adv_subnet in $adv_subnets; do |
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local ifname="${adv_subnet%%:*}" |
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local subnet="${adv_subnet#*:}" |
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logger -t "$link" " * Removing IPv6 subnet $subnet from interface $ifname" |
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ip -6 addr del $subnet dev $ifname |
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done |
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} |
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[ "$defaultroute" = "1" ] && { |
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