6to4: remove old network scripts
SVN-Revision: 31983
This commit is contained in:
Felix Fietkau
parent
fdcc84f78e
commit
d3efcab813
3 changed files with 2 additions and 324 deletions
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@ -11,8 +11,6 @@ PKG_NAME:=6to4
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PKG_VERSION:=8
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PKG_RELEASE:=1
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PKG_CONFIG_DEPENDS:=CONFIG_PACKAGE_netifd
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include $(INCLUDE_DIR)/package.mk
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define Package/6to4
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@ -36,20 +34,11 @@ endef
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define Build/Configure
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endef
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ifneq ($(CONFIG_PACKAGE_netifd),)
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define Package/6to4/install
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$(INSTALL_DIR) $(1)/lib/netifd/proto
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$(INSTALL_BIN) ./files/6to4.sh $(1)/lib/netifd/proto/6to4.sh
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$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
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$(INSTALL_DATA) ./files/6to4.hotplug $(1)/etc/hotplug.d/iface/91-6to4
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endef
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else
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define Package/6to4/install
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$(INSTALL_DIR) $(1)/lib/network
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$(INSTALL_DATA) ./files.old/6to4.sh $(1)/lib/network/6to4.sh
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$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
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$(INSTALL_DATA) ./files.old/6to4.hotplug $(1)/etc/hotplug.d/iface/91-6to4
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endef
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endif
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$(eval $(call BuildPackage,6to4))
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@ -1,34 +0,0 @@
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#!/bin/sh
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if [ "$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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[ "$proto" = 6to4 ] || return 0
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local wandev
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config_get wandev "$cfg" wan_device "$(find_6to4_wanif)"
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[ "$wandev" = "$DEVICE" ] || return 0
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local wanip=$(find_6to4_wanip "$wandev")
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[ -n "$wanip" ] && {
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lsmod | grep -q ^sit || {
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logger -t 6to4 "Tunneling driver not loaded yet, deferring action"
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exit 0
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}
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uci_set_state network "$cfg" ipaddr "$wanip"
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( ifup "$cfg" )&
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}
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}
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config_foreach update_tunnel interface
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fi
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@ -1,277 +0,0 @@
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# 6to4.sh - IPv6-in-IPv4 tunnel backend
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# Copyright (c) 2010-2011 OpenWrt.org
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find_6to4_wanif() {
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local if=$(ip -4 r l e 0.0.0.0/0); if="${if#default* dev }"; if="${if%% *}"
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[ -n "$if" ] && grep -qs "^ *$if:" /proc/net/dev && echo "$if"
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}
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find_6to4_wanip() {
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local ip=$(ip -4 a s dev "$1"); ip="${ip#*inet }"
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echo "${ip%%[^0-9.]*}"
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}
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find_6to4_prefix() {
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local ip4="$1"
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local oIFS="$IFS"; IFS="."; set -- $ip4; IFS="$oIFS"
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printf "2002:%02x%02x:%02x%02x\n" $1 $2 $3 $4
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}
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test_6to4_rfc1918()
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{
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local oIFS="$IFS"; IFS="."; set -- $1; IFS="$oIFS"
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[ $1 -eq 10 ] && return 0
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[ $1 -eq 192 ] && [ $2 -eq 168 ] && return 0
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[ $1 -eq 172 ] && [ $2 -ge 16 ] && [ $2 -le 31 ] && return 0
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# RFC 6598
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[ $1 -eq 100 ] && [ $2 -ge 64 ] && [ $2 -le 127 ] && return 0
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return 1
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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 ifmtu="${3:-1280}"
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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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uci_set_state radvd "$ifsection" AdvLinkMTU "$ifmtu"
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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 vlt="${5:-300}"
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local plt="${6:-120}"
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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 "$vlt"
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uci_set_state radvd "$pfxsection" AdvPreferredLifetime "$plt"
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uci_set_state radvd "$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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# the configuration.
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scan_6to4() {
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config_set "$1" device "6to4-$1"
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}
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coldplug_interface_6to4() {
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setup_interface_6to4 "6to4-$1" "$1"
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}
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setup_interface_6to4() {
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local iface="$1"
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local cfg="$2"
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local link="6to4-$cfg"
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local local4=$(uci_get network "$cfg" ipaddr)
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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 metric
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config_get metric "$cfg" metric
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local defaultroute
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config_get_bool defaultroute "$cfg" defaultroute 1
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local wanif=$(find_6to4_wanif)
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[ -z "$wanif" ] && {
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logger -t "$link" "Cannot find wan interface - aborting"
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return
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}
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local wancfg=$(find_config "$wanif")
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[ -z "$wancfg" ] && {
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logger -t "$link" "Cannot find wan network - aborting"
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return
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}
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# If local4 is unset, guess local IPv4 address from the
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# interface used by the default route.
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[ -z "$local4" ] && {
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[ -n "$wanif" ] && {
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local4=$(find_6to4_wanip "$wanif")
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uci_set_state network "$cfg" wan_device "$wanif"
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}
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}
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test_6to4_rfc1918 "$local4" && {
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logger -t "$link" "Local wan ip $local4 is private - aborting"
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return
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}
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[ -n "$local4" ] && {
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logger -t "$link" "Starting ..."
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# creating the tunnel below will trigger a net subsystem event
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# prevent it from touching or iface by disabling .auto here
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uci_set_state network "$cfg" ifname $link
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uci_set_state network "$cfg" auto 0
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# find our local prefix
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local prefix6=$(find_6to4_prefix "$local4")
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local local6="$prefix6::1/16"
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logger -t "$link" " * IPv4 address is $local4"
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logger -t "$link" " * IPv6 address is $local6"
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ip tunnel add $link mode sit remote any local $local4 ttl ${ttl:-64}
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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 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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logger -t "$link" " * Adding default route"
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ip -6 route add ::/0 via ::192.88.99.1 metric ${metric:-1} dev $link
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uci_set_state network "$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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grep -qs "^ *$adv_ifname:" /proc/net/dev && {
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local adv_valid_lifetime adv_preferred_lifetime
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config_get adv_valid_lifetime "$cfg" adv_valid_lifetime
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config_get adv_preferred_lifetime "$cfg" adv_preferred_lifetime
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local subnet6="$(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 $adv_ifname
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set_6to4_radvd_interface "$sid" "$adv_interface" "$mtu"
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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_valid_lifetime" "$adv_preferred_lifetime"
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adv_subnets="${adv_subnets:+$adv_subnets }$adv_ifname:$subnet6"
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adv_subnet=$(($adv_subnet + 1))
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}
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done
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uci_set_state network "$cfg" adv_subnets "$adv_subnets"
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/etc/init.d/radvd restart
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}
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logger -t "$link" "... started"
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env -i ACTION="ifup" INTERFACE="$cfg" DEVICE="$link" PROTO=6to4 /sbin/hotplug-call "iface" &
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} || {
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echo "Cannot determine local IPv4 address for 6to4 tunnel $cfg - skipping"
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}
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}
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stop_interface_6to4() {
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local cfg="$1"
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local link="6to4-$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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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_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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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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ip -6 route del ::/0 via ::192.88.99.1 dev $link
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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 $link
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logger -t "$link" "... stopped"
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}
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}
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