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authorSteven Barth <cyrus@openwrt.org>2013-01-15 13:08:19 +0000
committerSteven Barth <cyrus@openwrt.org>2013-01-15 13:08:19 +0000
commit3235d860a6cb80a6c4fca264b70d88db3e223654 (patch)
tree932af482e2358e2a0d3c8bd57d1d475eedc4eb76 /package
parent955a1e8e28a117a1cee056cab5eb7d6ea25974b9 (diff)
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ipv6-support: Switch to native IPv6 support
SVN-Revision: 35174
Diffstat (limited to 'package')
-rw-r--r--package/network/ipv6/ipv6-support/Makefile18
-rwxr-xr-xpackage/network/ipv6/ipv6-support/files/dhcpv6.sh73
-rw-r--r--package/network/ipv6/ipv6-support/files/enable-ipv6.defaults11
-rwxr-xr-xpackage/network/ipv6/ipv6-support/files/firewall.sh9
-rw-r--r--package/network/ipv6/ipv6-support/files/ipv6-support.defaults6
-rw-r--r--package/network/ipv6/ipv6-support/files/ipv6.hotplug13
-rw-r--r--package/network/ipv6/ipv6-support/files/network6.config15
-rw-r--r--package/network/ipv6/ipv6-support/files/support.sh588
8 files changed, 14 insertions, 719 deletions
diff --git a/package/network/ipv6/ipv6-support/Makefile b/package/network/ipv6/ipv6-support/Makefile
index 74286e79b8..d3b397403d 100644
--- a/package/network/ipv6/ipv6-support/Makefile
+++ b/package/network/ipv6/ipv6-support/Makefile
@@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=ipv6-support
-PKG_VERSION:=2013-01-13
+PKG_VERSION:=2013-01-15
PKG_RELEASE:=1
include $(INCLUDE_DIR)/package.mk
@@ -16,7 +16,7 @@ include $(INCLUDE_DIR)/package.mk
define Package/ipv6-support
SECTION:=ipv6
CATEGORY:=IPv6
- DEPENDS:=+kmod-ipv6 +6relayd +odhcp6c +6distributed +ip6tables +ubus
+ DEPENDS:=+kmod-ipv6 +6relayd +odhcp6c +ip6tables
TITLE:=Basic IPv6-support for Customer Edge Routers
MAINTAINER:=Steven Barth <steven@midlink.org>
PKGARCH:=all
@@ -33,21 +33,9 @@ endef
define Build/Configure
endef
-define Package/ipv6-support/conffiles
-/etc/config/network6
-endef
-
define Package/ipv6-support/install
- $(INSTALL_DIR) $(1)/etc/hotplug.d/iface
- $(INSTALL_DATA) ./files/ipv6.hotplug $(1)/etc/hotplug.d/iface/20-ipv6
- $(INSTALL_DIR) $(1)/lib/ipv6
- $(INSTALL_DATA) ./files/support.sh $(1)/lib/ipv6/support.sh
- $(INSTALL_BIN) ./files/dhcpv6.sh $(1)/lib/ipv6/dhcpv6.sh
- $(INSTALL_BIN) ./files/firewall.sh $(1)/lib/ipv6/firewall.sh
- $(INSTALL_DIR) $(1)/etc/config
- $(INSTALL_DATA) ./files/network6.config $(1)/etc/config/network6
$(INSTALL_DIR) $(1)/etc/uci-defaults
- $(INSTALL_BIN) ./files/ipv6-support.defaults $(1)/etc/uci-defaults/ipv6-support.defaults
+ $(INSTALL_BIN) ./files/enable-ipv6.defaults $(1)/etc/uci-defaults/enable-ipv6
endef
$(eval $(call BuildPackage,ipv6-support))
diff --git a/package/network/ipv6/ipv6-support/files/dhcpv6.sh b/package/network/ipv6/ipv6-support/files/dhcpv6.sh
deleted file mode 100755
index 5a668cd9b1..0000000000
--- a/package/network/ipv6/ipv6-support/files/dhcpv6.sh
+++ /dev/null
@@ -1,73 +0,0 @@
-#!/bin/sh
-# Copyright (c) 2012 OpenWrt.org
-. /lib/ipv6/support.sh
-. /lib/netifd/netifd-proto.sh
-
-local device="$1"
-local state="$2"
-local network=""
-
-resolve_network network "$device"
-
-# Unknown network
-[ -z "$network" ] && exit 0
-
-if [ "$state" == "started" ]; then
- # Start border
- set_forward_border "$network" "$device" enable
-
- # Configure device
- conf_set "$device" accept_ra 2
- conf_set "$device" forwarding 2
-
- # Send RS on interface
- [ -x /usr/sbin/6relayd ] && /usr/sbin/6relayd -s "$device"
-
- exit 0
-elif [ "$state" == "stopped" ]; then
- # Deconfigure device
- conf_set "$device" accept_ra 1
- conf_set "$device" forwarding 1
-
- # Disable border
- set_forward_border "$network" "$device" disable
-
- exit 0
-fi
-
-# Announce prefixes
-for prefix in $PREFIXES; do
- announce_prefix "$prefix" "$network" "$device"
-done
-
-for prefix in $PREFIXES_LOST; do
- announce_prefix "$prefix" "$network" "$device" delprefix
-done
-
-
-# Enable relaying if requested and we didn't get a prefix, disable otherwise
-local fallback="stop"
-[ -z "$PREFIXES" -a "$state" != "unbound" ] && fallback="start"
-setup_prefix_fallback "$fallback" "$network" "$device"
-
-
-# Operations in case of success
-[ "$state" == "timeout" -o "$state" == "unbound" ] && exit 0
-
-# Handshake completed, disable forwarding border
-set_forward_border "$network" "$device" disable
-
-local peerdns
-config_get_bool peerdns "$network" peerdns 1
-[ "$peerdns" -eq "1" ] && {
- proto_init_update "*" 1
- proto_set_keep 1
- for server in $RDNSS; do
- proto_add_dns_server "$server"
- done
- for domain in $DOMAINS; do
- proto_add_dns_search "$domain"
- done
- proto_send_update "$network"
-}
-
diff --git a/package/network/ipv6/ipv6-support/files/enable-ipv6.defaults b/package/network/ipv6/ipv6-support/files/enable-ipv6.defaults
new file mode 100644
index 0000000000..c77914b530
--- /dev/null
+++ b/package/network/ipv6/ipv6-support/files/enable-ipv6.defaults
@@ -0,0 +1,11 @@
+#!/bin/sh
+uci -q batch <<-EOF >/dev/null
+ set network.globals=globals
+ set network.globals.ula_prefix=auto
+ set network.wan6=interface
+ set network.wan6.proto=dhcpv6
+ set network.wan6.ifname=@wan
+ set network.lan.ip6assign=64
+ set network.wan.ipv6=1
+ commit network
+EOF
diff --git a/package/network/ipv6/ipv6-support/files/firewall.sh b/package/network/ipv6/ipv6-support/files/firewall.sh
deleted file mode 100755
index 57fcd382e9..0000000000
--- a/package/network/ipv6/ipv6-support/files/firewall.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-ip6tables -N ipv6-site-border
-ip6tables -A forwarding_rule -s fc00::/7 -j ipv6-site-border
-ip6tables -A forwarding_rule -d fc00::/7 -j ipv6-site-border
-
-mkdir -p /var/etc/ipv6-firewall.d
-for i in /var/etc/ipv6-firewall.d/*; do
- [ -f "$i" ] && . "$i"
-done
diff --git a/package/network/ipv6/ipv6-support/files/ipv6-support.defaults b/package/network/ipv6/ipv6-support/files/ipv6-support.defaults
deleted file mode 100644
index 6a699a1453..0000000000
--- a/package/network/ipv6/ipv6-support/files/ipv6-support.defaults
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-uci -q batch <<-EOF >/dev/null
- set firewall.ipv6_support=include
- set firewall.ipv6_support.path=/lib/ipv6/firewall.sh
- commit firewall
-EOF
diff --git a/package/network/ipv6/ipv6-support/files/ipv6.hotplug b/package/network/ipv6/ipv6-support/files/ipv6.hotplug
deleted file mode 100644
index 52cdf3bde0..0000000000
--- a/package/network/ipv6/ipv6-support/files/ipv6.hotplug
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-# Copyright (c) 2012 OpenWrt.org
-[ "$DEVICE" == "lo" ] && exit 0
-. /lib/ipv6/support.sh
-
-case "$ACTION" in
- ifup)
- enable_interface "$INTERFACE" "$DEVICE"
- ;;
- ifdown)
- disable_interface "$INTERFACE" "$DEVICE"
- ;;
-esac
diff --git a/package/network/ipv6/ipv6-support/files/network6.config b/package/network/ipv6/ipv6-support/files/network6.config
deleted file mode 100644
index 37a327f2b2..0000000000
--- a/package/network/ipv6/ipv6-support/files/network6.config
+++ /dev/null
@@ -1,15 +0,0 @@
-config global global
- option ula_prefix auto
-
-config interface wan
- option mode dhcpv6
- option request_prefix auto
- option prefix_fallback relay
- option peerdns 1
- option site_border 1
-
-config interface lan
- option mode router
- option advertise_prefix 64
- option relay_master wan
-
diff --git a/package/network/ipv6/ipv6-support/files/support.sh b/package/network/ipv6/ipv6-support/files/support.sh
deleted file mode 100644
index 8ae803cf1c..0000000000
--- a/package/network/ipv6/ipv6-support/files/support.sh
+++ /dev/null
@@ -1,588 +0,0 @@
-#!/bin/sh
-# Copyright (c) 2012 OpenWrt.org
-. /lib/functions.sh
-. /lib/functions/service.sh
-. /lib/functions/network.sh
-
-config_load network6
-local NAT="ip6tables -t nat"
-
-conf_get() {
- local __return="$1"
- local __device="$2"
- local __option="$3"
- local __value=$(cat "/proc/sys/net/ipv6/conf/$__device/$__option")
- eval "$__return=$__value"
-}
-
-
-conf_set() {
- local device="$1"
- local option="$2"
- local value="$3"
- echo "$value" > "/proc/sys/net/ipv6/conf/$device/$option"
-}
-
-
-stop_service() {
- local __exe="$1"
- SERVICE_PID_FILE="$2"
- local __return="$3"
-
- service_check "$__exe" && {
- service_stop "$__exe"
- [ -n "$__return" ] && eval "$__return=1"
- }
- rm -f "$SERVICE_PID_FILE"
-}
-
-
-start_service() {
- local cmd="$1"
- local pidfile="$2"
-
- SERVICE_DAEMONIZE=1
- SERVICE_WRITE_PID=1
- SERVICE_PID_FILE="$pidfile"
- service_start $cmd
-}
-
-
-resolve_network_add() {
- local __section="$1"
- local __device="$2"
- local __return="$3"
- local __cdevice
- network_get_device __cdevice "$__section"
- [ "$__cdevice" != "$__device" ] && return
-
- eval "$__return"'="'"$__section"'"'
-}
-
-
-resolve_network() {
- local __return="$1"
- local __device="$2"
- config_foreach resolve_network_add interface "$__device" "$__return"
-}
-
-
-setup_masquerading() {
- local cmd="$1"
- local chain="network6_masquerade_$2"
- local device="$3"
-
- $NAT -D POSTROUTING -j "$chain" 2>/dev/null && {
- $NAT -F "$chain" 2>/dev/null
- $NAT -X "$chain" 2>/dev/null
- }
-
- [ "$cmd" != "stop" ] && {
- $NAT -N "$chain"
- $NAT -A "$chain" -o "$device" -j MASQUERADE
- $NAT -A POSTROUTING -j "$chain"
- }
-}
-
-
-setup_npt_chain() {
- local cmd="$1"
- local network="$2"
- local chain="network6_npt_$network"
-
- [ "$cmd" != "start" ] && {
- $NAT -D POSTROUTING -j "$chain" 2>/dev/null && {
- $NAT -D PREROUTING -j "$chain" 2>/dev/null
- $NAT -F "$chain" 2>/dev/null
- $NAT -X "$chain" 2>/dev/null
- }
- }
-
- [ "$cmd" != "stop" ] && {
- $NAT -N "$chain" 2>/dev/null && {
- $NAT -A PREROUTING -j "$chain"
- $NAT -A POSTROUTING -j "$chain"
- }
- }
-}
-
-
-announce_prefix() {
- local prefix="$1"
- local network="$2"
- local device="$3"
- local cmd="$4"
- local type="$5"
-
- local addr=$(echo "$prefix" | cut -d/ -f1)
- local rem=$(echo "$prefix" | cut -d/ -f2)
- local length=$(echo "$rem" | cut -d, -f1)
- local prefer=""
- local valid=""
-
- # If preferred / valid provided
- [ "$rem" != "$length" ] && {
- prefer=$(echo "$rem" | cut -d, -f2)
- valid=$(echo "$rem" | cut -d, -f3)
- }
-
- # Get prefix configuration
- local ula=""
- local prefix_action=""
- config_get ula global ula_prefix
- config_get prefix_action "$network" prefix_action
- [ -z "$prefix_action" ] && prefix_action="distribute"
-
- # Always announce the ULA when doing NPT
- [ "$prefix" == "$ula" -a "$prefix_action" == "npt" ] && prefix_action="distribute"
-
- [ "$prefix_action" == "distribute" -o "$prefix_action" == "npt" ] && {
- local msg='{"network": "'"$network"'", "prefix": "'"$addr"'", "length": '"$length"
- [ -n "$valid" ] && msg="$msg"', "valid": '"$valid"', "preferred": '"$prefer"
- [ -z "$cmd" ] && cmd=newprefix
-
- [ "$prefix_action" == "npt" ] && msg="$msg"', "npt": 1'
- [ "$type" == "secondary" ] && msg="$msg"', "secondary": 1'
-
- # Detect MTU
- local mtu
- conf_get mtu "$device" mtu
- msg="$msg"', "mtu": '"$mtu"
-
- ubus call 6distributed "$cmd" "$msg}"
- }
-
- [ "$prefix_action" == "npt" ] && {
- local chain="network6_npt_$network"
- local ula_addr=$(echo "$ula" | cut -d/ -f1)
- local ula_rem=$(echo "$ula" | cut -d/ -f2)
- local ula_length=$(echo "$ula_rem" | cut -d, -f1)
- local device=""
-
- network_get_device device "$network"
- [ "$length" -lt "$ula_length" ] && length="$ula_length"
- [ "$cmd" == "delprefix" ] && cmd="-D $chain" || cmd="-A $chain"
-
- local in="-i $device -d $addr/$length -j NETMAP --to $ula_addr/$ula_length"
- local out="-o $device -s $ula_addr/$ula_length -j NETMAP --to $addr/$length"
-
- setup_npt_chain start "$network"
- $NAT $cmd $in
- $NAT $cmd $out
- }
-}
-
-
-disable_router() {
- local network="$1"
-
- # Notify the address distribution daemon
- ubus call 6distributed deliface '{"network": "'"$network"'"}'
-
-
- # Start RD & DHCPv6 service
- local router_service
- config_get router_service global router_service
-
- if [ "$router_service" == "dnsmasq" ]; then
- rm -f "/var/etc/dnsmasq.d/ipv6-router-$network.conf"
- /etc/init.d/dnsmasq restart
- else
- stop_service /usr/sbin/6relayd "/var/run/ipv6-router-$network.pid"
- fi
-}
-
-
-restart_relay_slave() {
- local __section="$1"
- local __master="$2"
-
- network_is_up "$__section" || return
-
- local __device=""
- network_get_device __device "$__section"
-
- local __cmaster=""
- config_get __cmaster "$__section" relay_master
-
- [ "$__master" == "$__cmaster" ] && {
- disable_interface "$__section"
- enable_interface "$__section" "$__device"
- }
-}
-
-
-add_relay_slave() {
- local __section="$1"
- local __return="$2"
- local __master="$3"
- local __mode="$4"
-
- network_is_up "$__section" || return
-
- # Get device
- local __device=""
- network_get_device __device "$__section"
-
- # Match master network
- local __cmaster=""
- config_get __cmaster "$__section" relay_master
- [ "$__master" == "$__cmaster" ] || return
-
- # Test slave mode
- local __cmode=""
- config_get __cmode "$__section" mode
- [ "$__cmode" == "downstream" ] && __cmode="router"
-
- # Don't start fallback interfaces if we are in forced-relay mode
- [ "$__cmode" == "relay" -o "$__mode" == "fallback" ] || return
-
- # Don't make non-relay or non-router interfaces slaves
- [ "$__cmode" == "relay" -o "$__cmode" == "router" ] || return
-
- # Disable any active distribution
- [ "$__cmode" == "router" ] && disable_router "$__section"
-
- # Configure interface to accept RA and send RS
- conf_set "$__device" accept_ra 2
- conf_set "$__device" forwarding 2
-
- eval "$__return"'="$'"$__return"' '"$__device"'"'
-}
-
-
-stop_relay() {
- local network="$1"
- local pid_fallback="/var/run/ipv6-relay-fallback-$network.pid"
- local pid_forced="/var/run/ipv6-relay-forced-$network.pid"
- local was_fallback=""
-
- stop_service /usr/sbin/6relayd "$pid_fallback" was_fallback
- stop_service /usr/sbin/6relayd "$pid_forced"
-
- # Reenable normal distribution on slave interfaces
- [ -n "$was_fallback" ] && config_foreach restart_relay_slave interface "$network"
-}
-
-
-detect_forced_relay_mode() {
- local __section="$1"
- local __mode="$2"
-
- local __cmode
- config_get __cmode "$__section" mode
- [ "$__cmode" == "relay" ] && eval "$__mode=forced"
-}
-
-
-restart_relay() {
- local network="$1"
- local mode="$2"
-
- # Stop last active relay
- stop_relay "$network"
-
- # Detect if we have a forced-relay
- [ -z "$mode" ] && config_foreach detect_forced_relay_mode interface mode
-
- # Don't start without a mode
- [ -z "$mode" ] && return
-
- # Detect master device
- local device=""
- network_get_device device "$network"
-
- # Generate command string
- local cmd="/usr/sbin/6relayd -A $device"
- local ifaces=""
- config_foreach add_relay_slave interface ifaces "$network" "$mode"
-
- # Start relay
- local pid="/var/run/ipv6-relay-$mode-$network.pid"
- [ -n "$ifaces" ] && start_service "$cmd $ifaces" "$pid"
-
- # There are no slave interface, however indicate that we want to relay
- [ -z "$ifaces" ] && touch "$pid"
-}
-
-
-setup_prefix_fallback() {
- local cmd="$1"
- local network="$2"
- local device="$3"
-
- stop_relay "$network"
- restart_relay "$network"
-
- setup_masquerading stop "$network"
-
- [ "$cmd" != "stop" ] && {
- local fallback=""
- config_get fallback "$network" prefix_fallback
-
- [ "$fallback" == "relay" ] && restart_relay "$network" fallback
- [ "$fallback" == "masquerade" ] && setup_masquerading start "$network" "$device"
- }
-}
-
-
-restart_master_relay() {
- local network="$1"
- local mode="$2"
-
- # Disable active relaying to this interface
- config_get relay_master "$network" relay_master
- [ -z "$relay_master" ] && return
- network_is_up "$relay_master" || return
-
- # Detect running mode
- local pid_fallback="/var/run/ipv6-relay-fallback-$relay_master.pid"
- local pid_forced="/var/run/ipv6-relay-forced-$relay_master.pid"
- [ -z "$mode" -a -f "$pid_fallback" ] && mode="fallback"
- [ -z "$mode" -a -f "$pid_forced" ] && mode="forced"
-
- # Restart relay if running or start requested
- [ -n "$mode" ] && restart_relay "$relay_master" "$mode"
-}
-
-
-set_site_border() {
- local network="$1"
- local device="$2"
-
- local fwscript="/var/etc/ipv6-firewall.d/site-border-$network.sh"
- local chain="ipv6-site-border-$network"
-
- if [ -n "$device" ]; then
- local site_border
- config_get_bool site_border "$network" site_border 1
- [ "$site_border" == "1" ] || return
-
- mkdir -p $(dirname "$fwscript")
- echo "ip6tables -N $chain" > "$fwscript"
- echo "ip6tables -F $chain" >> "$fwscript"
- echo "ip6tables -A $chain -o $device -j REJECT --reject-with icmp6-no-route" >> "$fwscript"
- echo "ip6tables -A $chain -i $device -j REJECT --reject-with icmp6-no-route" >> "$fwscript"
- echo "ip6tables -A ipv6-site-border -j $chain" >> "$fwscript"
- . "$fwscript"
- else
- [ -f "$fwscript" ] || return
- rm -f "$fwscript"
- ip6tables -D ipv6-site-border -j "$chain"
- ip6tables -F "$chain"
- ip6tables -X "$chain"
- fi
-}
-
-
-set_forward_border() {
- local network="$1"
- local device="$2"
- local method="$3"
- local fwscript="/var/etc/ipv6-firewall.d/forward-border-$network.sh"
-
- if [ "$method" == "enable" ]; then
- mkdir -p $(dirname "$fwscript")
- echo "ip6tables -A forwarding_rule -o \"$device\" -j REJECT --reject-with icmp6-no-route" > "$fwscript"
- . "$fwscript"
- else
- [ -f "$fwscript" ] || return
- rm -f "$fwscript"
- # Racy race race
- ip6tables -D forwarding_rule -o "$device" -j REJECT --reject-with icmp6-no-route 2>/dev/null
- ip6tables -D forwarding_rule -o "$device" -j REJECT --reject-with icmp6-no-route 2>/dev/null
- fi
-}
-
-
-disable_interface() {
- local network="$1"
-
- # Delete all prefixes routed to this interface
- ubus call 6distributed delprefix '{"network": "'"$network"'"}'
-
- # Restart Relay
- restart_master_relay "$network"
-
- # Disable distribution
- disable_router "$network"
-
- # Disable any active relays, masquerading rules and NPT rules
- stop_relay "$network"
- setup_masquerading stop "$network"
- setup_npt_chain stop "$network"
-
- # Disable DHCPv6 client if enabled, state script will take care
- stop_service /usr/sbin/odhcp6c "/var/run/ipv6-dhcpv6-$network.pid"
-
- # Stop site-border
- set_site_border "$network"
-}
-
-
-enable_ula_prefix() {
- local network="$1"
- local ula="$2"
- local device="$3"
- [ -z "$ula" ] && ula="global"
-
- # ULA-integration
- local ula_prefix=""
- config_get ula_prefix "$ula" ula_prefix
-
- # ULA auto configuration (first init)
- [ "$ula_prefix" == "auto" ] && {
- local r1=""
- local r2=""
- local r3=""
-
- # Sometimes results are empty, therefore try until it works...
- while [ -z "$r1" -o -z "$r2" -o -z "$r3" ]; do
- r1=$(printf "%02x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1) % 256)))
- r2=$(printf "%01x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1) % 65536)))
- r3=$(printf "%01x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1) % 65536)))
- done
-
- ula_prefix="fd$r1:$r2:$r3::/48"
-
- # Save prefix so it will be preserved across reboots
- config_set "$ula" ula_prefix "$ula_prefix"
- uci_set network6 "$ula" ula_prefix "$ula_prefix"
- uci_commit network6
- }
-
- # Announce ULA
- [ -n "$ula_prefix" ] && announce_prefix "$ula_prefix" "$network" "$device" newprefix secondary
-}
-
-
-enable_static() {
- local network="$1"
- local device="$2"
-
- # Enable global forwarding
- local global_forward
- conf_get global_forward all forwarding
- [ "$global_forward" != "1" ] && conf_set all forwarding 1
-
- # Configure device
- conf_set "$device" forwarding 1
- conf_set "$device" accept_ra 1
-
- # Enable ULA
- enable_ula_prefix "$network" global "$device"
- # Compatibility (deprecated)
- enable_ula_prefix "$network" "$network" "$device"
-
- # Announce all static prefixes
- config_list_foreach "$network" static_prefix announce_prefix "$network" "$device"
-
- # start relay if there are forced relay members
- restart_relay "$network"
-}
-
-
-enable_router() {
- local network="$1"
- local device="$2"
-
- # Get IPv6 prefixes
- local length
- config_get length "$network" advertise_prefix
- [ -z "$length" ] && length=64
- [ "$length" -ne "0" ] && ubus call 6distributed newiface '{"network": "'"$network"'", "iface": "'"$device"'", "length": '"$length"'}'
-
- # Start RD & DHCPv6 service
- local router_service
- config_get router_service global router_service
-
- local always_default
- config_get_bool always_default "$network" always_default 0
-
- if [ "$router_service" == "dnsmasq" ]; then
- local dnsmasq_opts
- config_get dnsmasq_opts "$network" dnsmasq_opts
- [ -z "$dnsmasq_opts" ] && dnsmasq_opts="ra-names,24h"
-
- local conf="/var/etc/dnsmasq.d/ipv6-router-$network.conf"
- mkdir -p $(dirname $conf)
- echo "dhcp-range=::00ff,::ffff,constructor:$device,$dnsmasq_opts" > $conf
- echo "enable-ra" >> $conf
- /etc/init.d/dnsmasq restart
- else
- local opts=""
- [ "$always_default" == "1" ] && opts="-u"
-
- local pid="/var/run/ipv6-router-$network.pid"
- start_service "/usr/sbin/6relayd -S $opts . $device" "$pid"
- fi
-
- # Try relaying if necessary
- restart_master_relay "$network"
-}
-
-
-enable_dhcpv6() {
- local network="$1"
- local device="$2"
-
- # Configure DHCPv6-client
- local dhcp6_opts="$device"
-
- # Configure DHCPv6-client (e.g. requested prefix)
- local request_prefix
- config_get request_prefix "$network" request_prefix
- [ -z "$request_prefix" ] && request_prefix="auto"
- [ "$request_prefix" != "no" ] && {
- [ "$request_prefix" == "auto" ] && request_prefix=0
- dhcp6_opts="-P$request_prefix $dhcp6_opts"
- }
-
- # Start DHCPv6 client
- local pid="/var/run/ipv6-dhcpv6-$network.pid"
- start_service "/usr/sbin/odhcp6c -s/lib/ipv6/dhcpv6.sh $dhcp6_opts" "$pid"
-}
-
-
-enable_6to4() {
- local network="$1"
- local device="$2"
- local mode="$3"
-
- local prefixlen="48"
- [ "$mode" == "6rd" ] && {
- local ip4prefix=$(uci_get network "$network" ip4prefixlen 0)
- local ip6prefix=$(uci_get network "$network" ip6prefixlen 32)
- prefixlen=$(($ip6prefix + 32 - $ip4prefix))
- }
-
- local prefix=""
- network_get_ipaddr6 prefix "$network"
-
- announce_prefix "$prefix/$prefixlen" "$network" "$device"
-}
-
-
-enable_interface()
-{
- local network="$1"
- local device="$2"
- local mode=""
-
- config_get mode "$network" mode
- [ -n "$mode" -a "$mode" != "none" ] || return
-
- # Compatibility with old mode names
- [ "$mode" == "downstream" ] && mode=router
- [ "$mode" == "upstream" ] && mode=dhcpv6
-
- # Enable site-border
- [ "$mode" == "static" -o "$mode" == "dhcpv6" -o "$mode" == "6to4" -o "$mode" == "6in4" ] && set_site_border "$network" "$device"
-
- # Run mode startup code
- enable_static "$network" "$device"
- [ "$mode" == "dhcpv6" ] && enable_dhcpv6 "$network" "$device"
- [ "$mode" == "router" ] && enable_router "$network" "$device"
- [ "$mode" == "6to4" -o "$mode" == "6rd" ] && enable_6to4 "$network" "$device" "$mode"
- [ "$mode" == "relay" ] && restart_master_relay "$network" forced
-}