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authorFelix Fietkau <nbd@openwrt.org>2012-10-10 12:32:29 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-10-10 12:32:29 +0000
commit405e21d16731b2764ab82aaaadcf36a813b105f7 (patch)
treec6f9a8402389a5081519b91ce62c4a8cafcb8917 /package/network/ipv6/6to4
parentd0ec348ded6f715b43b396b06ccb10599b37969d (diff)
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packages: sort network related packages into package/network/
SVN-Revision: 33688
Diffstat (limited to 'package/network/ipv6/6to4')
-rw-r--r--package/network/ipv6/6to4/Makefile42
-rwxr-xr-xpackage/network/ipv6/6to4/files/6to4.sh209
2 files changed, 251 insertions, 0 deletions
diff --git a/package/network/ipv6/6to4/Makefile b/package/network/ipv6/6to4/Makefile
new file mode 100644
index 0000000..f29571d
--- /dev/null
+++ b/package/network/ipv6/6to4/Makefile
@@ -0,0 +1,42 @@
+#
+# Copyright (C) 2010-2012 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=6to4
+PKG_VERSION:=11
+PKG_RELEASE:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/6to4
+ SECTION:=ipv6
+ CATEGORY:=IPv6
+ DEPENDS:=+kmod-ipv6 +kmod-sit
+ TITLE:=IPv6-to-IPv4 configuration support
+ MAINTAINER:=Jo-Philipp Wich <xm@subsignal.org>
+ PKGARCH:=all
+endef
+
+define Package/6to4/description
+Provides support for 6to4 tunnels in /etc/config/network.
+Refer to http://wiki.openwrt.org/doc/uci/network for
+configuration details.
+endef
+
+define Build/Compile
+endef
+
+define Build/Configure
+endef
+
+define Package/6to4/install
+ $(INSTALL_DIR) $(1)/lib/netifd/proto
+ $(INSTALL_BIN) ./files/6to4.sh $(1)/lib/netifd/proto/6to4.sh
+endef
+
+$(eval $(call BuildPackage,6to4))
diff --git a/package/network/ipv6/6to4/files/6to4.sh b/package/network/ipv6/6to4/files/6to4.sh
new file mode 100755
index 0000000..3a616f6
--- /dev/null
+++ b/package/network/ipv6/6to4/files/6to4.sh
@@ -0,0 +1,209 @@
+#!/bin/sh
+# 6to4.sh - IPv6-in-IPv4 tunnel backend
+# Copyright (c) 2010-2012 OpenWrt.org
+
+[ -n "$INCLUDE_ONLY" ] || {
+ . /lib/functions.sh
+ . /lib/functions/network.sh
+ . ../netifd-proto.sh
+ init_proto "$@"
+}
+
+find_6to4_prefix() {
+ local ip4="$1"
+ local oIFS="$IFS"; IFS="."; set -- $ip4; IFS="$oIFS"
+
+ printf "2002:%02x%02x:%02x%02x\n" $1 $2 $3 $4
+}
+
+test_6to4_rfc1918()
+{
+ local oIFS="$IFS"; IFS="."; set -- $1; IFS="$oIFS"
+ [ $1 -eq 10 ] && return 0
+ [ $1 -eq 192 ] && [ $2 -eq 168 ] && return 0
+ [ $1 -eq 172 ] && [ $2 -ge 16 ] && [ $2 -le 31 ] && return 0
+
+ # RFC 6598
+ [ $1 -eq 100 ] && [ $2 -ge 64 ] && [ $2 -le 127 ] && return 0
+
+ return 1
+}
+
+set_6to4_radvd_interface() {
+ local cfgid="$1"
+ local lanif="${2:-lan}"
+ local ifmtu="${3:-1280}"
+ 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
+ uci_set_state radvd "$ifsection" AdvLinkMTU "$ifmtu"
+}
+
+set_6to4_radvd_prefix() {
+ local cfgid="$1"
+ local lanif="${2:-lan}"
+ local wanif="${3:-wan}"
+ local prefix="${4:-0:0:0:1::/64}"
+ local vlt="${5:-300}"
+ local plt="${6:-120}"
+ 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 "$vlt"
+ uci_set_state radvd "$pfxsection" AdvPreferredLifetime "$plt"
+ uci_set_state radvd "$pfxsection" Base6to4Interface "$wanif"
+ }
+}
+
+proto_6to4_setup() {
+ local cfg="$1"
+ local iface="$2"
+ local link="6to4-$cfg"
+
+ local mtu ttl ipaddr adv_subnet adv_interface adv_valid_lifetime adv_preferred_lifetime
+ json_get_vars mtu ttl ipaddr adv_subnet adv_interface adv_valid_lifetime adv_preferred_lifetime
+
+ ( proto_add_host_dependency "$cfg" 0.0.0.0 )
+
+ local wanif
+ if ! network_find_wan wanif; then
+ proto_notify_error "$cfg" "NO_WAN_LINK"
+ return
+ fi
+
+ [ -z "$ipaddr" ] && {
+ if ! network_get_ipaddr ipaddr "$wanif"; then
+ proto_notify_error "$cfg" "NO_WAN_ADDRESS"
+ return
+ fi
+ }
+
+ test_6to4_rfc1918 "$ipaddr" && {
+ proto_notify_error "$cfg" "INVALID_LOCAL_ADDRESS"
+ return
+ }
+
+ # find our local prefix
+ local prefix6=$(find_6to4_prefix "$ipaddr")
+ local local6="$prefix6::1"
+
+ proto_init_update "$link" 1
+ proto_add_ipv6_address "$local6" 16
+ proto_add_ipv6_route "::" 0 "::192.88.99.1"
+
+ proto_add_tunnel
+ json_add_string mode sit
+ json_add_int mtu "${mtu:-1280}"
+ json_add_int ttl "${ttl:-64}"
+ json_add_string local "$ipaddr"
+ proto_close_tunnel
+
+ proto_send_update "$cfg"
+
+ [ -f /etc/config/radvd ] && /etc/init.d/radvd enabled && {
+ local sid="6to4_$cfg"
+
+ uci_revert_state radvd
+ config_load radvd
+
+ adv_subnet=$((0x${adv_subnet:-1}))
+
+ local adv_subnets=""
+
+ for adv_interface in ${adv_interface:-lan}; do
+ local adv_ifname
+ network_get_device adv_ifname "${adv_interface:-lan}" || continue
+
+ 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" "$adv_interface" "$mtu"
+ set_6to4_radvd_prefix "$sid" "$adv_interface" \
+ "$wanif" "$(printf "0:0:0:%x::/64" $adv_subnet)" \
+ "$adv_valid_lifetime" "$adv_preferred_lifetime"
+
+ adv_subnets="${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
+ }
+}
+
+proto_6to4_teardown() {
+ local cfg="$1"
+ local link="6to4-$cfg"
+
+ local adv_subnets=$(uci_get_state network "$cfg" adv_subnets)
+
+ grep -qs "^ *$link:" /proc/net/dev && {
+ [ -n "$adv_subnets" ] && {
+ uci_revert_state radvd
+ /etc/init.d/radvd enabled && /etc/init.d/radvd restart
+ }
+ }
+}
+
+proto_6to4_init_config() {
+ no_device=1
+ available=1
+
+ proto_config_add_string "ipaddr"
+ proto_config_add_int "mtu"
+ proto_config_add_int "ttl"
+ proto_config_add_string "adv_interface"
+ proto_config_add_string "adv_subnet"
+ proto_config_add_int "adv_valid_lifetime"
+ proto_config_add_int "adv_preferred_lifetime"
+}
+
+[ -n "$INCLUDE_ONLY" ] || {
+ add_protocol 6to4
+}