79e179e291
* add RFC6106 DNSSL and clients init script options * add route, DNSSL and clients config sections * remove now ignored AdvRDNSSPreference and AdvRDNSSOpen pre RFC5006 options * remove empty route bool options * remove obsolete avr32 patch * use PKG_INSTALL, CONFIGURE_ARGS and MAKE_FLAGS git-svn-id: svn://svn.openwrt.org/openwrt/packages@25224 3c298f89-4303-0410-b956-a3cf2f4a3e73
437 lines
9.8 KiB
Bash
437 lines
9.8 KiB
Bash
#!/bin/sh /etc/rc.common
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# Copyright (C) 2008 Alina Friedrichsen <x-alina@gmx.net>
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START=50
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RADVD_INTERFACE_STRING_OPTIONS='MaxRtrAdvInterval MinRtrAdvInterval MinDelayBetweenRAs AdvLinkMTU AdvReachableTime AdvRetransTimer AdvCurHopLimit AdvDefaultLifetime AdvDefaultPreference HomeAgentLifetime HomeAgentPreference'
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RADVD_INTERFACE_BOOLEAN_OPTIONS='IgnoreIfMissing AdvSendAdvert UnicastOnly AdvManagedFlag AdvOtherConfigFlag AdvSourceLLAddress AdvHomeAgentFlag AdvHomeAgentInfo AdvMobRtrSupportFlag AdvIntervalOpt'
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RADVD_PREFIX_STRING_OPTIONS='AdvValidLifetime AdvPreferredLifetime'
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RADVD_PREFIX_BOOLEAN_OPTIONS='AdvOnLink AdvAutonomous AdvRouterAddr'
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RADVD_ROUTE_STRING_OPTIONS='AdvRouteLifetime AdvRoutePreference'
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RADVD_RDNSS_STRING_OPTIONS='AdvRDNSSLifetime'
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RADVD_DNSSL_STRING_OPTIONS='AdvDNSSLLifetime'
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validate_varname() {
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local varname=$1
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[ -z "$varname" -o "$varname" != "${varname%%[!A-Za-z0-9_]*}" ] && return 1
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return 0
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}
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validate_ifname() {
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local ifname=$1
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[ -z "$ifname" -o "$ifname" != "${ifname%%[!A-Za-z0-9.:_-]*}" ] && return 1
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return 0
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}
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validate_ip6addr() {
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local ip6addr=$1
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[ -z "$ip6addr" -o "$ip6addr" != "${ip6addr%%[!A-Fa-f0-9.:]*}" ] && return 1
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return 0
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}
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validate_ip6prefix() {
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local ip6prefix=$1
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[ -z "$ip6prefix" -o "$ip6prefix" != "${ip6prefix%%[!A-Fa-f0-9./:]*}" ] && return 1
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return 0
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}
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validate_radvd_string() {
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local radvd_string=$1
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[ -z "$radvd_string" -o "$radvd_string" != "${radvd_string%%[!a-z0-9.:_-]*}" ] && return 1
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return 0
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}
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get_ifname() {
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local interface=$1
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validate_varname "$interface" || return 1
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local cfgt
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local ifname
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scan_interfaces
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config_get cfgt "$interface" TYPE
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[ "$cfgt" != "interface" ] && return 1
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config_get ifname "$interface" ifname
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validate_ifname "$ifname" || return 1
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printf '%s\n' "$ifname"
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return 0
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}
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get_ip6addr() {
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local ifname=$1
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local scope=$2
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local iproute2_scope
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local ifconfig_scope
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local ip6addr
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case "$scope" in
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host) iproute2_scope=host ifconfig_scope=Host;;
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link) iproute2_scope=link ifconfig_scope=Link;;
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site) iproute2_scope=site ifconfig_scope=Site;;
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global) iproute2_scope=global ifconfig_scope=Global;;
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"") get_ip6addr "$ifname" global || get_ip6addr "$ifname" site; return;;
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*) return 1;;
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esac
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ip6addr=$(LANG=C ip -f inet6 -- addr show dev "$ifname" 2> /dev/null | sed -n -e 's/^ *inet6 \([A-Fa-f0-9.:]*[/][0-9]*\) scope '"$iproute2_scope"' $/\1/p' | head -n 1)
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if [ -z "$ip6addr" ]; then
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ip6addr=$(LANG=C ifconfig "$ifname" 2> /dev/null | sed -n -e 's/^ *inet6 addr: \([A-Fa-f0-9.:]*[/][0-9]*\) Scope:'"$ifconfig_scope"'$/\1/p' | tail -n 1)
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[ -z "$ip6addr" ] && return 1
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fi
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printf '%s\n' "$ip6addr"
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return 0
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}
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radvd_find_config_file() {
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local cfg=$1
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validate_varname "$cfg" || return 0
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get RADVD_CONFIG_FILE "$cfg" config_file
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return 0
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}
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radvd_add_interface() {
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local cfg=$1
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validate_varname "$cfg" || return 0
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local ignore
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local interfaces
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local interface
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local list_interface
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local exist
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get interfaces "$cfg" interface
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for interface in $interfaces; do
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validate_varname "$interface" || continue
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exist=0
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for list_interface in $RADVD_INTERFACES; do
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[ "$interface" = "$list_interface" ] && exist=1
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done
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[ "$exist" -eq 0 ] && RADVD_INTERFACES="$RADVD_INTERFACES $interface"
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done
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return 0
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}
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radvd_write_interface() {
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local cfg=$1
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validate_varname "$cfg" || return 0
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local ignore
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local interfaces
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local interface
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local name
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local value
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get interfaces "$cfg" interface
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exist=0
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for interface in $interfaces; do
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[ "$INTERFACE" = "$interface" ] && exist=1
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done
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[ "$exist" -eq 0 ] && return 0
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for name in $RADVD_INTERFACE_STRING_OPTIONS; do
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config_get value "$cfg" "$name"
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validate_radvd_string "$value" || continue
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printf '\t%s %s;\n' "$name" "$value"
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done
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for name in $RADVD_INTERFACE_BOOLEAN_OPTIONS; do
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config_get value "$cfg" "$name"
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[ -z "$value" ] && continue
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config_get_bool value "$cfg" "$name" 0
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if [ "$value" -ne 0 ]; then
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printf '\t%s on;\n' "$name"
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else
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printf '\t%s off;\n' "$name"
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fi
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done
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return 0
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}
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radvd_write_prefix() {
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local cfg=$1
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validate_varname "$cfg" || return 0
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local ignore
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local interfaces
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local interface
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local prefixes
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local prefix
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local name
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local value
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local cfgt
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get interfaces "$cfg" interface
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exist=0
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for interface in $interfaces; do
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[ "$INTERFACE" = "$interface" ] && exist=1
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done
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[ "$exist" -eq 0 ] && return 0
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config_get prefixes "$cfg" prefix
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if [ -z "$prefixes" ]; then
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prefixes=$(get_ip6addr "$IFNAME") || return 0
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fi
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for prefix in $prefixes; do
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validate_ip6prefix "$prefix" || continue
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printf '\n\tprefix %s\n\t{\n' "$prefix"
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for name in $RADVD_PREFIX_STRING_OPTIONS; do
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config_get value "$cfg" "$name"
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validate_radvd_string "$value" || continue
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printf '\t\t%s %s;\n' "$name" "$value"
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done
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for name in $RADVD_PREFIX_BOOLEAN_OPTIONS; do
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config_get value "$cfg" "$name"
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[ -z "$value" ] && continue
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config_get_bool value "$cfg" "$name" 0
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if [ "$value" -ne 0 ]; then
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printf '\t\t%s on;\n' "$name"
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else
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printf '\t\t%s off;\n' "$name"
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fi
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done
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config_get value "$cfg" Base6to4Interface
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if [ -n "$value" ]; then
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if ifname=$(get_ifname "$value"); then
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printf '\t\t%s %s;\n' "Base6to4Interface" "$ifname"
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fi
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fi
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printf '\t};\n'
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done
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return 0
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}
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radvd_write_route() {
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local cfg=$1
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validate_varname "$cfg" || return 0
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local ignore
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local interfaces
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local interface
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local prefixes
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local prefix
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local name
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local value
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get interfaces "$cfg" interface
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exist=0
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for interface in $interfaces; do
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[ "$INTERFACE" = "$interface" ] && exist=1
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done
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[ "$exist" -eq 0 ] && return 0
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config_get prefixes "$cfg" prefix
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for prefix in $prefixes; do
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validate_ip6prefix "$prefix" || continue
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printf '\n\troute %s\n\t{\n' "$prefix"
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for name in $RADVD_ROUTE_STRING_OPTIONS; do
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config_get value "$cfg" "$name"
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validate_radvd_string "$value" || continue
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printf '\t\t%s %s;\n' "$name" "$value"
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done
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printf '\t};\n'
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done
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return 0
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}
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radvd_write_rdnss() {
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local cfg=$1
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validate_varname "$cfg" || return 0
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local ignore
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local interfaces
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local interface
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local addrs
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local addr
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local addr_list
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local name
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local value
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local i
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get interfaces "$cfg" interface
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exist=0
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for interface in $interfaces; do
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[ "$INTERFACE" = "$interface" ] && exist=1
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done
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[ "$exist" -eq 0 ] && return 0
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config_get addrs "$cfg" addr
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i=0
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for addr in $addrs; do
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[ "$i" -ge 3 ] && break
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validate_ip6addr "$addr" || continue
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addr_list="$addr_list $addr"
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i=$(($i+1))
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done
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if [ -z "$addr_list" ]; then
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addr=$(get_ip6addr "$IFNAME" link) || return 0
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addr_list=" ${addr%%[/]*}"
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fi
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printf '\n\tRDNSS%s\n\t{\n' "$addr_list"
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for name in $RADVD_RDNSS_STRING_OPTIONS; do
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config_get value "$cfg" "$name"
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validate_radvd_string "$value" || continue
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printf '\t\t%s %s;\n' "$name" "$value"
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done
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printf '\t};\n'
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return 0
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}
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radvd_write_dnssl() {
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local cfg=$1
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validate_varname "$cfg" || return 0
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local ignore
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local interfaces
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local interface
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local suffixes
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local suffix
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local suffix_list
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local name
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local value
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get interfaces "$cfg" interface
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exist=0
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for interface in $interfaces; do
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[ "$INTERFACE" = "$interface" ] && exist=1
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done
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[ "$exist" -eq 0 ] && return 0
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config_get suffixes "$cfg" suffix
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for suffix in $suffixes; do
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validate_radvd_string "$suffix" || continue
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suffix_list="$suffix_list $suffix"
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done
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printf '\n\tDNSSL%s\n\t{\n' "$suffix_list"
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for name in $RADVD_DNSSL_STRING_OPTIONS; do
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config_get value "$cfg" "$name"
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validate_radvd_string "$value" || continue
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printf '\t\t%s %s;\n' "$name" "$value"
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done
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printf '\t};\n'
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return 0
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}
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radvd_write_clients() {
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local cfg=$1
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validate_varname "$cfg" || return 0
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local ignore
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local interfaces
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local interface
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local clients
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local client
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get interfaces "$cfg" interface
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exist=0
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for interface in $interfaces; do
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[ "$INTERFACE" = "$interface" ] && exist=1
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done
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[ "$exist" -eq 0 ] && return 0
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printf '\n\tclients\n\t{\n'
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config_get clients "$cfg" client
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for client in $clients; do
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validate_ip6addr "$client" || continue
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printf '\t\t%s;\n' "$client"
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done
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printf '\t};\n'
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return 0
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}
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radvd_write_config() {
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include /lib/network
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RADVD_INTERFACES=
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config_foreach radvd_add_interface interface
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config_foreach radvd_add_interface prefix
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config_foreach radvd_add_interface route
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config_foreach radvd_add_interface RDNSS
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config_foreach radvd_add_interface DNSSL
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config_foreach radvd_add_interface clients
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for INTERFACE in $RADVD_INTERFACES; do
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IFNAME=$(get_ifname "$INTERFACE") || continue
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printf 'interface %s\n{\n' "$IFNAME"
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config_foreach radvd_write_interface interface
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config_foreach radvd_write_prefix prefix
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config_foreach radvd_write_route route
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config_foreach radvd_write_rdnss rdnss
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config_foreach radvd_write_dnssl dnssl
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config_foreach radvd_write_clients clients
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printf '};\n\n'
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done
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return 0
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}
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start() {
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config_load radvd
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RADVD_CONFIG_FILE=
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config_foreach radvd_find_config_file radvd
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if [ -z "$RADVD_CONFIG_FILE" ]; then
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mkdir -p -- /var/etc/
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radvd_write_config > /var/etc/radvd.conf
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if [ -s "/var/etc/radvd.conf" ]; then
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RADVD_CONFIG_FILE=/var/etc/radvd.conf
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fi
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fi
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[ -z "$RADVD_CONFIG_FILE" ] && return 1
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sysctl -w net.ipv6.conf.all.forwarding=1 > /dev/null 2> /dev/null
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radvd -C "$RADVD_CONFIG_FILE" -m stderr_syslog -p /var/run/radvd.pid
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}
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stop() {
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killall radvd
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}
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