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synced 2025-01-23 15:31:06 +02:00
[backfire] merge r21589, r21612 and r22102
git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@22209 3c298f89-4303-0410-b956-a3cf2f4a3e73
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jow
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43
package/6in4/Makefile
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43
package/6in4/Makefile
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#
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# Copyright (C) 2010 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=6in4
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PKG_VERSION:=3
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PKG_RELEASE:=1
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include $(INCLUDE_DIR)/package.mk
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define Package/6in4
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SECTION:=ipv6
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CATEGORY:=IPv6
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DEPENDS:=+ip +kmod-ipv6 +kmod-sit
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TITLE:=IPv6-in-IPv4 configuration support
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PKGARCH:=all
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endef
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define Package/6in4/description
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Provides support for 6in4 tunnels in /etc/config/network.
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Refer to http://wiki.openwrt.org/doc/uci/network for
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configuration details.
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endef
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define Build/Compile
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endef
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define Build/Configure
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endef
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define Package/6in4/install
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$(INSTALL_DIR) $(1)/lib/network
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$(INSTALL_DATA) ./files/6in4.sh $(1)/lib/network/6in4.sh
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$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
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$(INSTALL_DATA) ./files/6in4.hotplug $(1)/etc/hotplug.d/iface/90-6in4
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endef
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$(eval $(call BuildPackage,6in4))
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44
package/6in4/files/6in4.hotplug
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44
package/6in4/files/6in4.hotplug
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#!/bin/sh
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if [ "$ACTION" = ifup ]; then
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. /etc/functions.sh
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include /lib/network
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scan_interfaces
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update_tunnel() {
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local cfg="$1"
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local proto
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config_get proto "$cfg" proto
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[ "$proto" = 6in4 ] || return 0
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local wandev
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config_get wandev "$cfg" wan_device "$(find_6in4_wanif)"
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[ "$wandev" = "$DEVICE" ] || return 0
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local oldip
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local wanip=$(find_6in4_wanip "$wandev")
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config_get oldip "$cfg" ipaddr
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[ -n "$wanip" ] && [ "$oldip" != "$wanip" ] && {
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local tunnelid
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config_get tunnelid "$cfg" tunnelid
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local username
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config_get username "$cfg" username
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local password
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config_get password "$cfg" password
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[ -n "$tunnelid" ] && [ -n "$username" ] && [ -n "$password" ] && {
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password="$(echo -n "$password" | md5sum)"; password="${password%% *}"
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uci_set_state network "$cfg" ipaddr "$wanip"
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( wget -qO/dev/null "http://ipv4.tunnelbroker.net/ipv4_end.php?ipv4b=AUTO&user_id=$username&pass=$password&tunnel_id=$tunnelid" && ifup "$cfg" )&
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}
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}
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}
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config_foreach update_tunnel interface
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fi
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103
package/6in4/files/6in4.sh
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103
package/6in4/files/6in4.sh
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# 6in4.sh - IPv6-in-IPv4 tunnel backend
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# Copyright (c) 2010 OpenWrt.org
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find_6in4_wanif() {
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local if=$(ip -4 r l e 0/0); if="${if#default via * dev }"; if="${if%% *}"
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[ -n "$if" ] && grep -qs "^ *$if:" /proc/net/dev && echo "$if"
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}
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find_6in4_wanip() {
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local ip=$(ip -4 a s dev "$1"); ip="${ip#*inet }"
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echo "${ip%%/[0-9]* brd *}"
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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_6in4() even if no .ifname is set in
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# the configuration.
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scan_6in4() {
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config_set "$1" device "6in4-$1"
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}
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coldplug_interface_6in4() {
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setup_interface_6in4 "6in4-$1" "$1"
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}
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setup_interface_6in4() {
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local iface="$1"
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local cfg="$2"
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local link="6in4-$cfg"
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local local4
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config_get local4 "$cfg" ipaddr
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local remote4
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config_get remote4 "$cfg" peeraddr
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local local6
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config_get local6 "$cfg" ip6addr
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local mtu
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config_get mtu "$cfg" mtu
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local ttl
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config_get ttl "$cfg" ttl
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local defaultroute
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config_get_bool defaultroute "$cfg" defaultroute 1
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# If local4 is unset, guess local IPv4 address from the
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# interface used by the default route.
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[ -z "$local4" ] && {
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local wanif=$(find_6in4_wanif)
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[ -n "$wanif" ] && {
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local4=$(find_6in4_wanip "$wanif")
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uci_set_state network "$cfg" wan_device "$wanif"
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}
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}
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[ -n "$local4" ] && {
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# creating the tunnel below will trigger a net subsystem event
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# prevent it from touching or iface by disabling .auto here
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uci_set_state network "$cfg" ifname $link
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uci_set_state network "$cfg" auto 0
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ip tunnel add $link mode sit remote $remote4 local $local4 ttl 255
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ip link set $link up
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ip link set mtu ${mtu:-1280} dev $link
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ip tunnel change $link ttl ${ttl:-64}
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ip addr add $local6 dev $link
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uci_set_state network "$cfg" ipaddr $local4
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uci_set_state network "$cfg" ip6addr $local6
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[ "$defaultroute" = 1 ] && {
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ip -6 route add ::/0 dev $link
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uci_set_state network "$cfg" defaultroute 1
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}
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env -i ACTION="ifup" INTERFACE="$cfg" DEVICE="$link" PROTO=6in4 /sbin/hotplug-call "iface" &
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} || {
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echo "Cannot determine local IPv4 address for 6in4 tunnel $cfg - skipping"
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}
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}
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stop_interface_6in4() {
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local cfg="$1"
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local link="6in4-$cfg"
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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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grep -qs "^ *$link:" /proc/net/dev && {
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env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$link" PROTO=6in4 /sbin/hotplug-call "iface" &
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[ "$defaultroute" = "1" ] && {
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ip -6 route del ::/0 dev $link
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}
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ip addr del $local6 dev $link
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ip link set $link down
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ip tunnel del $link
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}
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}
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