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-rw-r--r--package/6to4/Makefile2
-rwxr-xr-xpackage/6to4/files/6to4.sh167
2 files changed, 115 insertions, 54 deletions
diff --git a/package/6to4/Makefile b/package/6to4/Makefile
index 3becce9..c106570 100644
--- a/package/6to4/Makefile
+++ b/package/6to4/Makefile
@@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=6to4
-PKG_VERSION:=2
+PKG_VERSION:=3
PKG_RELEASE:=1
include $(INCLUDE_DIR)/package.mk
diff --git a/package/6to4/files/6to4.sh b/package/6to4/files/6to4.sh
index 31dd4b7..cb4a463 100755
--- a/package/6to4/files/6to4.sh
+++ b/package/6to4/files/6to4.sh
@@ -18,6 +18,72 @@ find_6to4_prefix() {
printf "2002:%02x%02x:%02x%02x\n" $1 $2 $3 $4
}
+set_6to4_radvd_interface() {
+ local cfgid="$1"
+ local lanif="${2:-lan}"
+ local ifsection=""
+
+ find_ifsection() {
+ local net
+ local cfg="$1"
+ config_get net "$cfg" interface
+
+ [ "$net" = "$lanif" ] && {
+ ifsection="$cfg"
+ return 1
+ }
+ }
+
+ config_foreach find_ifsection interface
+
+ [ -z "$ifsection" ] && {
+ ifsection="iface_$sid"
+ uci_set_state radvd "$ifsection" "" interface
+ uci_set_state radvd "$ifsection" interface "$lanif"
+ }
+
+ uci_set_state radvd "$ifsection" ignore 0
+ uci_set_state radvd "$ifsection" IgnoreIfMissing 1
+ uci_set_state radvd "$ifsection" AdvSendAdvert 1
+ uci_set_state radvd "$ifsection" MaxRtrAdvInterval 30
+}
+
+set_6to4_radvd_prefix() {
+ local cfgid="$1"
+ local lanif="${2:-lan}"
+ local wanif="${3:-wan}"
+ local prefix="${4:-0:0:0:1::/64}"
+ local pfxsection=""
+
+ find_pfxsection() {
+ local net base
+ local cfg="$1"
+ config_get net "$cfg" interface
+ config_get base "$cfg" Base6to4Interface
+
+ [ "$net" = "$lanif" ] && [ "$base" = "$wanif" ] && {
+ pfxsection="$cfg"
+ return 1
+ }
+ }
+
+ config_foreach find_pfxsection prefix
+
+ [ -z "$pfxsection" ] && {
+ pfxsection="prefix_${sid}_${lanif}"
+ uci_set_state radvd "$pfxsection" "" prefix
+ uci_set_state radvd "$pfxsection" ignore 0
+ uci_set_state radvd "$pfxsection" interface "$lanif"
+ uci_set_state radvd "$pfxsection" prefix "$prefix"
+ uci_set_state radvd "$pfxsection" AdvOnLink 1
+ uci_set_state radvd "$pfxsection" AdvAutonomous 1
+ uci_set_state radvd "$pfxsection" AdvValidLifetime 300
+ uci_set_state radvd "$pfxsection" AdvPreferredLifetime 120
+ uci_set_state radvd "$pfxsection" Base6to4Interface "$wanif"
+ }
+}
+
+
# Hook into scan_interfaces() to synthesize a .device option
# This is needed for /sbin/ifup to properly dispatch control
# to setup_interface_6to4() even if no .ifname is set in
@@ -98,48 +164,43 @@ setup_interface_6to4() {
uci_set_state network "$cfg" defaultroute 1
}
- # find delegation target
- local adv_interface
- config_get adv_interface "$cfg" adv_interface
-
- local adv_ifname
- config_get adv_ifname "${adv_interface:-lan}" ifname
-
- local adv_subnet=$(uci_get network "$cfg" adv_subnet)
-
- grep -qs "^ *$adv_ifname:" /proc/net/dev && {
- local subnet6="$prefix6:${adv_subnet:-1}::1/64"
-
- logger -t "$link" " * Advertising IPv6 subnet $subnet6 on ${adv_interface:-lan} ($adv_ifname)"
- ip -6 addr add $subnet6 dev $adv_ifname
- uci_set_state network "$cfg" adv_subnet "$subnet6"
- uci_set_state network "$cfg" adv_ifname "$adv_ifname"
-
- [ -f /etc/config/radvd ] && /etc/init.d/radvd enabled && {
- local sid="6to4_$cfg"
-
- uci -q batch <<-EOF
- revert radvd.iface_$sid
- revert radvd.prefix_$sid
- set radvd.iface_$sid=interface
- set radvd.iface_$sid.ignore=0
- set radvd.iface_$sid.interface=${adv_interface:-lan}
- set radvd.iface_$sid.IgnoreIfMissing=1
- set radvd.iface_$sid.AdvSendAdvert=1
- set radvd.iface_$sid.MaxRtrAdvInterval=30
- set radvd.prefix_$sid=prefix
- set radvd.prefix_$sid.ignore=0
- set radvd.prefix_$sid.interface=${adv_interface:-lan}
- set radvd.prefix_$sid.prefix=0:0:0:${adv_subnet:-1}::/64
- set radvd.prefix_$sid.AdvOnLink=1
- set radvd.prefix_$sid.AdvAutonomous=1
- set radvd.prefix_$sid.AdvValidLifetime=300
- set radvd.prefix_$sid.AdvPreferredLifetime=120
- set radvd.prefix_$sid.Base6to4Interface=$wancfg
- EOF
-
- /etc/init.d/radvd restart
- }
+ [ -f /etc/config/radvd ] && /etc/init.d/radvd enabled && {
+ local sid="6to4_$cfg"
+
+ uci_revert_state radvd
+ config_load radvd
+
+ # find delegation target
+ local adv_interface
+ config_get adv_interface "$cfg" adv_interface
+
+ local adv_subnet=$(uci_get network "$cfg" adv_subnet)
+ adv_subnet=$((0x${adv_subnet:-1}))
+
+ local adv_subnets=""
+
+ for adv_interface in ${adv_interface:-lan}; do
+ local adv_ifname
+ config_get adv_ifname "${adv_interface:-lan}" ifname
+
+ grep -qs "^ *$adv_ifname:" /proc/net/dev && {
+ local subnet6="$(printf "%s:%x::1/64" "$prefix6" $adv_subnet)"
+
+ logger -t "$link" " * Advertising IPv6 subnet $subnet6 on ${adv_interface:-lan} ($adv_ifname)"
+ ip -6 addr add $subnet6 dev $adv_ifname
+
+ set_6to4_radvd_interface "$sid" "$adv_interface"
+ set_6to4_radvd_prefix "$sid" "$adv_interface" \
+ "$wancfg" "$(printf "0:0:0:%x::/64" $adv_subnet)"
+
+ adv_subnets="${adv_subnets:+$adv_subnets }$adv_ifname:$subnet6"
+ adv_subnet=$(($adv_subnet + 1))
+ }
+ done
+
+ uci_set_state network "$cfg" adv_subnets "$adv_subnets"
+
+ /etc/init.d/radvd restart
}
logger -t "$link" "... started"
@@ -157,24 +218,24 @@ stop_interface_6to4() {
local local6=$(uci_get_state network "$cfg" ip6addr)
local defaultroute=$(uci_get_state network "$cfg" defaultroute)
- local adv_subnet=$(uci_get_state network "$cfg" adv_subnet)
- local adv_ifname=$(uci_get_state network "$cfg" adv_ifname)
+ local adv_subnets=$(uci_get_state network "$cfg" adv_subnets)
grep -qs "^ *$link:" /proc/net/dev && {
logger -t "$link" "Shutting down ..."
env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$link" PROTO=6to4 /sbin/hotplug-call "iface" &
- [ -n "$adv_subnet" ] && [ -n "$adv_ifname" ] && {
- local sid="6to4_$cfg"
-
- uci -q batch <<-EOF
- revert radvd.iface_$sid
- revert radvd.prefix_$sid
- EOF
-
+ [ -n "$adv_subnets" ] && {
+ uci_revert_state radvd
/etc/init.d/radvd enabled && /etc/init.d/radvd restart
- ip -6 addr del $adv_subnet dev $adv_ifname
+ local adv_subnet
+ for adv_subnet in $adv_subnets; do
+ local ifname="${adv_subnet%%:*}"
+ local subnet="${adv_subnet#*:}"
+
+ logger -t "$link" " * Removing IPv6 subnet $subnet from interface $ifname"
+ ip -6 addr del $subnet dev $ifname
+ done
}
[ "$defaultroute" = "1" ] && {