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packages/ipv6/radvd/files/radvd.init
jow 706c091e76 [packages] radvd: allow uppercase chars in string literals (#12174) 
git-svn-id: svn://svn.openwrt.org/openwrt/packages@33377 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-09-12 09:42:44 +00:00

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#!/bin/sh /etc/rc.common
# Copyright (C) 2008-2011 OpenWrt.org
# Copyright (C) 2008 Alina Friedrichsen <x-alina@gmx.net>
START=50
SERVICE_USE_PID=1
RADVD_INTERFACE_STRING_OPTIONS='MaxRtrAdvInterval MinRtrAdvInterval MinDelayBetweenRAs AdvLinkMTU AdvReachableTime AdvRetransTimer AdvCurHopLimit AdvDefaultLifetime AdvDefaultPreference HomeAgentLifetime HomeAgentPreference'
RADVD_INTERFACE_BOOLEAN_OPTIONS='IgnoreIfMissing AdvSendAdvert UnicastOnly AdvManagedFlag AdvOtherConfigFlag AdvSourceLLAddress AdvHomeAgentFlag AdvHomeAgentInfo AdvMobRtrSupportFlag AdvIntervalOpt'
RADVD_PREFIX_STRING_OPTIONS='AdvValidLifetime AdvPreferredLifetime'
RADVD_PREFIX_BOOLEAN_OPTIONS='AdvOnLink AdvAutonomous AdvRouterAddr DeprecatePrefix DecrementLifetimes'
RADVD_ROUTE_STRING_OPTIONS='AdvRouteLifetime AdvRoutePreference'
RADVD_ROUTE_BOOLEAN_OPTIONS='RemoveRoute'
RADVD_RDNSS_STRING_OPTIONS='AdvRDNSSLifetime FlushRDNSS'
RADVD_DNSSL_STRING_OPTIONS='AdvDNSSLLifetime FlushDNSSL'
validate_varname() {
local varname=$1
[ -z "$varname" -o "$varname" != "${varname%%[!A-Za-z0-9_]*}" ] && return 1
return 0
}
validate_ip6addr() {
local ip6addr=$1
[ -z "$ip6addr" -o "$ip6addr" != "${ip6addr%%[!A-Fa-f0-9.:]*}" ] && return 1
return 0
}
validate_ip6prefix() {
local ip6prefix=$1
[ -z "$ip6prefix" -o "$ip6prefix" != "${ip6prefix%%[!A-Fa-f0-9./:]*}" ] && return 1
return 0
}
validate_radvd_string() {
local radvd_string=$1
[ -z "$radvd_string" -o "$radvd_string" != "${radvd_string%%[!A-Za-z0-9.:_-]*}" ] && return 1
return 0
}
get_ip6addr() {
local ifname=$1
local scope=$2
local iproute2_scope
local ifconfig_scope
local ip6addr
case "$scope" in
host) iproute2_scope=host ifconfig_scope=Host;;
link) iproute2_scope=link ifconfig_scope=Link;;
site) iproute2_scope=site ifconfig_scope=Site;;
global) iproute2_scope=global ifconfig_scope=Global;;
"") get_ip6addr "$ifname" global || get_ip6addr "$ifname" site; return;;
*) return 1;;
esac
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"' $/\1/p' | head -n 1)
if [ -z "$ip6addr" ]; then
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)
[ -z "$ip6addr" ] && return 1
fi
printf '%s\n' "$ip6addr"
return 0
}
radvd_find_config_file() {
local cfg=$1
validate_varname "$cfg" || return 0
config_get_bool ignore "$cfg" ignore 0
[ "$ignore" -ne 0 ] && return 0
config_get RADVD_CONFIG_FILE "$cfg" config_file
return 0
}
radvd_add_interface() {
local cfg=$1
validate_varname "$cfg" || return 0
local ignore
local interfaces
local interface
local list_interface
local exist
config_get_bool ignore "$cfg" ignore 0
[ "$ignore" -ne 0 ] && return 0
config_get interfaces "$cfg" interface
for interface in $interfaces; do
validate_varname "$interface" || continue
exist=0
for list_interface in $RADVD_INTERFACES; do
[ "$interface" = "$list_interface" ] && exist=1
done
[ "$exist" -eq 0 ] && RADVD_INTERFACES="$RADVD_INTERFACES $interface"
done
return 0
}
radvd_write_interface() {
local cfg=$1
validate_varname "$cfg" || return 0
local ignore
local interfaces
local interface
local name
local value
config_get_bool ignore "$cfg" ignore 0
[ "$ignore" -ne 0 ] && return 0
config_get interfaces "$cfg" interface
exist=0
for interface in $interfaces; do
[ "$INTERFACE" = "$interface" ] && exist=1
done
[ "$exist" -eq 0 ] && return 0
for name in $RADVD_INTERFACE_STRING_OPTIONS; do
config_get value "$cfg" "$name"
validate_radvd_string "$value" || continue
printf '\t%s %s;\n' "$name" "$value"
done
for name in $RADVD_INTERFACE_BOOLEAN_OPTIONS; do
config_get value "$cfg" "$name"
[ -z "$value" ] && continue
config_get_bool value "$cfg" "$name" 0
if [ "$value" -ne 0 ]; then
printf '\t%s on;\n' "$name"
else
printf '\t%s off;\n' "$name"
fi
done
config_get clients "$cfg" client
if [ -n "$clients" ]; then
printf '\n\tclients\n\t{\n'
for client in $clients; do
validate_ip6addr "$client" || continue
printf '\t\t%s;\n' "$client"
done
printf '\t};\n'
fi
return 0
}
radvd_write_prefix() {
local cfg=$1
validate_varname "$cfg" || return 0
local ignore
local interfaces
local interface
local device
local prefixes
local prefix
local name
local value
local cfgt
config_get_bool ignore "$cfg" ignore 0
[ "$ignore" -ne 0 ] && return 0
config_get interfaces "$cfg" interface
exist=0
for interface in $interfaces; do
[ "$INTERFACE" = "$interface" ] && exist=1
done
[ "$exist" -eq 0 ] && return 0
config_get prefixes "$cfg" prefix
if [ -z "$prefixes" ]; then
prefixes=$(get_ip6addr "$IFNAME") || return 0
fi
for prefix in $prefixes; do
validate_ip6prefix "$prefix" || continue
printf '\n\tprefix %s\n\t{\n' "$prefix"
for name in $RADVD_PREFIX_STRING_OPTIONS; do
config_get value "$cfg" "$name"
validate_radvd_string "$value" || continue
printf '\t\t%s %s;\n' "$name" "$value"
done
for name in $RADVD_PREFIX_BOOLEAN_OPTIONS; do
config_get value "$cfg" "$name"
[ -z "$value" ] && continue
config_get_bool value "$cfg" "$name" 0
if [ "$value" -ne 0 ]; then
printf '\t\t%s on;\n' "$name"
else
printf '\t\t%s off;\n' "$name"
fi
done
config_get value "$cfg" Base6Interface
if [ -n "$value" ]; then
if network_get_device device "$value"; then
printf '\t\t%s %s;\n' "Base6Interface" "$device"
fi
fi
config_get value "$cfg" Base6to4Interface
if [ -n "$value" ]; then
if network_get_device device "$value"; then
printf '\t\t%s %s;\n' "Base6to4Interface" "$device"
fi
fi
printf '\t};\n'
done
return 0
}
radvd_write_route() {
local cfg=$1
validate_varname "$cfg" || return 0
local ignore
local interfaces
local interface
local prefixes
local prefix
local name
local value
config_get_bool ignore "$cfg" ignore 0
[ "$ignore" -ne 0 ] && return 0
config_get interfaces "$cfg" interface
exist=0
for interface in $interfaces; do
[ "$INTERFACE" = "$interface" ] && exist=1
done
[ "$exist" -eq 0 ] && return 0
config_get prefixes "$cfg" prefix
for prefix in $prefixes; do
validate_ip6prefix "$prefix" || continue
printf '\n\troute %s\n\t{\n' "$prefix"
for name in $RADVD_ROUTE_STRING_OPTIONS; do
config_get value "$cfg" "$name"
validate_radvd_string "$value" || continue
printf '\t\t%s %s;\n' "$name" "$value"
done
for name in $RADVD_ROUTE_BOOLEAN_OPTIONS; do
config_get value "$cfg" "$name"
[ -z "$value" ] && continue
config_get_bool value "$cfg" "$name" 0
if [ "$value" -ne 0 ]; then
printf '\t\t%s on;\n' "$name"
else
printf '\t\t%s off;\n' "$name"
fi
done
printf '\t};\n'
done
return 0
}
radvd_write_rdnss() {
local cfg=$1
validate_varname "$cfg" || return 0
local ignore
local interfaces
local interface
local addrs
local addr
local addr_list
local name
local value
local i
config_get_bool ignore "$cfg" ignore 0
[ "$ignore" -ne 0 ] && return 0
config_get interfaces "$cfg" interface
exist=0
for interface in $interfaces; do
[ "$INTERFACE" = "$interface" ] && exist=1
done
[ "$exist" -eq 0 ] && return 0
config_get addrs "$cfg" addr
i=0
for addr in $addrs; do
[ "$i" -ge 3 ] && break
validate_ip6addr "$addr" || continue
addr_list="$addr_list $addr"
i=$(($i+1))
done
if [ -z "$addr_list" ]; then
addr=$(get_ip6addr "$IFNAME" link) || return 0
addr_list=" ${addr%%[/]*}"
fi
printf '\n\tRDNSS%s\n\t{\n' "$addr_list"
for name in $RADVD_RDNSS_STRING_OPTIONS; do
config_get value "$cfg" "$name"
validate_radvd_string "$value" || continue
printf '\t\t%s %s;\n' "$name" "$value"
done
printf '\t};\n'
return 0
}
radvd_write_dnssl() {
local cfg=$1
validate_varname "$cfg" || return 0
local ignore
local interfaces
local interface
local suffixes
local suffix
local suffix_list
local name
local value
config_get_bool ignore "$cfg" ignore 0
[ "$ignore" -ne 0 ] && return 0
config_get interfaces "$cfg" interface
exist=0
for interface in $interfaces; do
[ "$INTERFACE" = "$interface" ] && exist=1
done
[ "$exist" -eq 0 ] && return 0
config_get suffixes "$cfg" suffix
for suffix in $suffixes; do
validate_radvd_string "$suffix" || continue
suffix_list="$suffix_list $suffix"
done
printf '\n\tDNSSL%s\n\t{\n' "$suffix_list"
for name in $RADVD_DNSSL_STRING_OPTIONS; do
config_get value "$cfg" "$name"
validate_radvd_string "$value" || continue
printf '\t\t%s %s;\n' "$name" "$value"
done
printf '\t};\n'
return 0
}
radvd_write_config() {
. /lib/functions/network.sh
RADVD_INTERFACES=
config_foreach radvd_add_interface interface
config_foreach radvd_add_interface prefix
config_foreach radvd_add_interface route
config_foreach radvd_add_interface RDNSS
config_foreach radvd_add_interface DNSSL
for INTERFACE in $RADVD_INTERFACES; do
network_get_device IFNAME "$INTERFACE" || continue
printf 'interface %s\n{\n' "$IFNAME"
config_foreach radvd_write_interface interface
config_foreach radvd_write_prefix prefix
config_foreach radvd_write_route route
config_foreach radvd_write_rdnss rdnss
config_foreach radvd_write_dnssl dnssl
printf '};\n\n'
done
return 0
}
start() {
config_load radvd
RADVD_CONFIG_FILE=
config_foreach radvd_find_config_file radvd
if [ -z "$RADVD_CONFIG_FILE" ]; then
mkdir -p -- /var/etc/
radvd_write_config > /var/etc/radvd.conf
if [ -s "/var/etc/radvd.conf" ]; then
RADVD_CONFIG_FILE=/var/etc/radvd.conf
fi
fi
[ -z "$RADVD_CONFIG_FILE" ] && return 1
sysctl -w net.ipv6.conf.all.forwarding=1 > /dev/null 2> /dev/null
service_start /usr/sbin/radvd -C "$RADVD_CONFIG_FILE" -m stderr_syslog -p /var/run/radvd.pid
}
stop() {
service_stop /usr/sbin/radvd
}
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