--- /dev/null
+#
+# Copyright (C) 2006-2012 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=isc-dhcp
+UPSTREAM_NAME:=dhcp
+PKG_VERSION:=4.3.3
+PKG_RELEASE:=1
+
+PKG_LICENSE:=BSD-3-Clause
+PKG_LICENSE_FILES:=LICENSE
+
+PKG_SOURCE:=$(UPSTREAM_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=ftp://ftp.isc.org/isc/dhcp/$(PKG_VERSION)
+PKG_MD5SUM:=c5577b09c9017cdd319a11ff6364268e
+
+PKG_FIXUP:=autoreconf
+PKG_BUILD_PARALLEL:=1
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(UPSTREAM_NAME)-$(PKG_VERSION)
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/isc-dhcp/Default
+ SECTION:=net
+ CATEGORY:=Network
+ SUBMENU:=IP Addresses and Names
+ TITLE:=ISC's DHCP
+ URL:=https://www.isc.org/software/dhcp
+endef
+
+define Package/isc-dhcp-relay-ipv4
+ $(call Package/isc-dhcp/Default)
+ TITLE+= relay (without IPv6)
+ VARIANT:=ipv4
+endef
+
+define Package/isc-dhcp-relay-ipv6
+ $(call Package/isc-dhcp/Default)
+ TITLE+= relay (with IPv6)
+ VARIANT:=ipv6
+endef
+
+define Package/isc-dhcp-relay/description
+ provides a means for relaying DHCP and BOOTP requests from a subnet to which
+ no DHCP server is directly connected to one or more DHCP servers on other
+ subnets.
+endef
+
+define Package/isc-dhcp-relay-ipv4/description
+$(call Package/isc-dhcp-relay-ipv6/description)
+ This package is compiled with IPv4 support only.
+endef
+
+define Package/isc-dhcp-relay-ipv4/conffiles
+/etc/config/dhcrelay
+endef
+
+define Package/isc-dhcp-relay-ipv6/description
+$(call Package/isc-dhcp-relay/description)
+ This package is compiled with IPv4 and IPv6 support.
+endef
+
+define Package/isc-dhcp-relay-ipv6/conffiles
+/etc/config/dhcrelay
+endef
+
+define Package/isc-dhcp-client-ipv4
+ $(call Package/isc-dhcp/Default)
+ TITLE+= client (without IPv6)
+ VARIANT:=ipv4
+endef
+
+define Package/isc-dhcp-client-ipv6
+ $(call Package/isc-dhcp/Default)
+ TITLE+= client (with IPv6)
+ VARIANT:=ipv6
+endef
+
+define Package/isc-dhcp-client/description
+ provides a means for configuring one or more network interfaces using the
+ Dynamic Host Configuration Protocol, BOOTP protocol, or if these protocols
+ fail, by statically assigning an address.
+endef
+
+define Package/isc-dhcp-client-ipv4/description
+$(call Package/isc-dhcp-client/description)
+ This package is compiled with IPv4 support only.
+endef
+
+define Package/isc-dhcp-client-ipv6/description
+$(call Package/isc-dhcp-client/description)
+ This package is compiled with IPv4 and IPv6 support.
+endef
+
+define Package/isc-dhcp-server-ipv4
+ $(call Package/isc-dhcp/Default)
+ TITLE+= server (without IPv6)
+ VARIANT:=ipv4
+endef
+
+define Package/isc-dhcp-server-ipv6
+ $(call Package/isc-dhcp/Default)
+ TITLE+= server (with IPv6)
+ VARIANT:=ipv6
+endef
+
+define Package/isc-dhcp-server/description
+ implements the Dynamic Host Configuration Protocol (DHCP) and the Internet
+ Bootstrap Protocol (BOOTP).
+endef
+
+define Package/isc-dhcp-server-ipv4/description
+$(call Package/isc-dhcp-server/description)
+ This package is compiled with IPv4 support only.
+endef
+
+define Package/isc-dhcp-server-ipv6/description
+$(call Package/isc-dhcp-server/description)
+ This package is compiled with IPv4 and IPv6 support.
+endef
+
+define Package/isc-dhcp-omshell-ipv4
+ $(call Package/isc-dhcp/Default)
+ DEPENDS:= +isc-dhcp-server-ipv4
+ TITLE+= omshell (without IPv6)
+ VARIANT:=ipv4
+endef
+
+define Package/isc-dhcp-omshell-ipv6
+ $(call Package/isc-dhcp/Default)
+ DEPENDS:= +isc-dhcp-server-ipv6
+ TITLE+= omshell (with IPv6)
+ VARIANT:=ipv6
+endef
+
+define Package/isc-dhcp-omshell/description
+ provides an interactive way to connect to, query, and possibly change, the ISC
+ DHCP Server's state via OMAPI, the Object Management API.
+endef
+
+define Package/isc-dhcp-omshell-ipv4/description
+$(call Package/isc-dhcp-omshell/description)
+ This package is compiled with IPv4 support only.
+endef
+
+define Package/isc-dhcp-omshell-ipv6/description
+$(call Package/isc-dhcp-omshell/description)
+ This package is compiled with IPv4 and IPv6 support.
+endef
+
+CONFIGURE_ARGS += \
+ --disable-tracing \
+ --enable-paranoia \
+ --disable-dependency-tracking \
+ --with-randomdev=/dev/urandom \
+ ac_cv_file__dev_random=yes
+
+ifeq ($(BUILD_VARIANT),ipv4)
+ CONFIGURE_ARGS += --disable-dhcpv6
+endif
+ifeq ($(BUILD_VARIANT),ipv6)
+ CONFIGURE_ARGS += --enable-dhcpv6
+endif
+
+define Build/Compile
+ $(MAKE) -C $(PKG_BUILD_DIR) \
+ DESTDIR="$(PKG_INSTALL_DIR)" \
+ BUILD_CC="$(HOSTCC_NOCACHE)" \
+ CROSS_CC="$(TARGET_CC)" \
+ host_alias="$(GNU_TARGET_NAME)" \
+ target_alias="$(GNU_TARGET_NAME)" \
+ build_alias="$(GNU_HOST_NAME)" \
+ all install-exec
+endef
+
+define Package/isc-dhcp-relay-$(BUILD_VARIANT)/install
+ $(INSTALL_DIR) $(1)/usr/sbin
+ $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/dhcrelay $(1)/usr/sbin
+ $(INSTALL_DIR) $(1)/etc/config
+ $(INSTALL_DATA) ./files/etc/config/dhcrelay $(1)/etc/config
+ $(INSTALL_DIR) $(1)/etc/init.d
+ $(INSTALL_BIN) ./files/dhcrelay4.init $(1)/etc/init.d/dhcrelay4
+endef
+
+define Package/isc-dhcp-server-$(BUILD_VARIANT)/install
+ $(INSTALL_DIR) $(1)/usr/sbin $(1)/etc
+ $(INSTALL_DIR) $(1)/usr/sbin $(1)/etc/init.d
+ $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/dhcpd $(1)/usr/sbin
+ $(INSTALL_BIN) ./files/dhcpd.init $(1)/etc/init.d/dhcpd
+ $(INSTALL_BIN) ./files/dhcpd.conf $(1)/etc
+ifeq ($(BUILD_VARIANT),ipv6)
+ $(INSTALL_BIN) ./files/dhcpd6.init $(1)/etc/init.d/dhcpd6
+ $(INSTALL_BIN) ./files/dhcpd6.conf $(1)/etc
+endif
+endef
+
+define Package/isc-dhcp-server-ipv4/conffiles
+/etc/dhcpd.conf
+endef
+
+define Package/isc-dhcp-server-ipv6/conffiles
+/etc/dhcpd6.conf
+endef
+
+define Package/isc-dhcp-client-$(BUILD_VARIANT)/install
+ $(INSTALL_DIR) $(1)/usr/sbin $(1)/etc
+ $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/dhclient $(1)/usr/sbin
+ $(INSTALL_BIN) ./files/dhclient-script $(1)/usr/sbin/
+ifeq ($(BUILD_VARIANT),ipv6)
+ $(INSTALL_BIN) ./files/dhclient6.conf $(1)/etc
+endif
+endef
+
+define Package/isc-dhcp-client-ipv4/conffiles
+/etc/dhclient.conf
+endef
+
+define Package/isc-dhcp-client-ipv6/conffiles
+/etc/dhclient6.conf
+endef
+
+define Package/isc-dhcp-omshell-$(BUILD_VARIANT)/install
+ $(INSTALL_DIR) $(1)/usr/bin
+ $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/omshell $(1)/usr/bin
+endef
+
+$(eval $(call BuildPackage,isc-dhcp-relay-ipv4))
+$(eval $(call BuildPackage,isc-dhcp-server-ipv4))
+$(eval $(call BuildPackage,isc-dhcp-client-ipv4))
+$(eval $(call BuildPackage,isc-dhcp-omshell-ipv4))
+$(eval $(call BuildPackage,isc-dhcp-relay-ipv6))
+$(eval $(call BuildPackage,isc-dhcp-server-ipv6))
+$(eval $(call BuildPackage,isc-dhcp-client-ipv6))
+$(eval $(call BuildPackage,isc-dhcp-omshell-ipv6))
--- /dev/null
+#!/bin/sh
+
+make_resolv_conf() {
+ if [ x"$new_domain_name_servers" != x ]; then
+ cat /dev/null > /etc/resolv.conf.dhclient
+ chmod 644 /etc/resolv.conf.dhclient
+ if [ x"$new_domain_search" != x ]; then
+ echo search $new_domain_search >> /etc/resolv.conf.dhclient
+ elif [ x"$new_domain_name" != x ]; then
+ # Note that the DHCP 'Domain Name Option' is really just a domain
+ # name, and that this practice of using the domain name option as
+ # a search path is both nonstandard and deprecated.
+ echo search $new_domain_name >> /etc/resolv.conf.dhclient
+ fi
+ for nameserver in $new_domain_name_servers; do
+ echo nameserver $nameserver >>/etc/resolv.conf.dhclient
+ done
+
+ elif [ "x${new_dhcp6_name_servers}" != x ] ; then
+ cat /dev/null > /etc/resolv.conf.dhclient6
+ chmod 644 /etc/resolv.conf.dhclient6
+
+ if [ "x${new_dhcp6_domain_search}" != x ] ; then
+ echo search ${new_dhcp6_domain_search} >> /etc/resolv.conf.dhclient6
+ fi
+ for nameserver in ${new_dhcp6_name_servers} ; do
+ echo nameserver ${nameserver} >> /etc/resolv.conf.dhclient6
+ done
+ fi
+
+ # if both v4 and v6 clients are running, concatenate results
+ cat /etc/resolv.conf.* > /etc/resolv.conf
+}
+
+# Must be used on exit. Invokes the local dhcp client exit hooks, if any.
+exit_with_hooks() {
+ exit_status=$1
+ if [ -f /etc/dhclient-exit-hooks ]; then
+ . /etc/dhclient-exit-hooks
+ fi
+# probably should do something with exit status of the local script
+ exit $exit_status
+}
+
+# Invoke the local dhcp client enter hooks, if they exist.
+if [ -f /etc/dhclient-enter-hooks ]; then
+ exit_status=0
+ . /etc/dhclient-enter-hooks
+ # allow the local script to abort processing of this state
+ # local script must set exit_status variable to nonzero.
+ if [ $exit_status -ne 0 ]; then
+ exit $exit_status
+ fi
+fi
+
+###
+### DHCPv4 Handlers
+###
+
+if [ x$new_broadcast_address != x ]; then
+ new_broadcast_arg="broadcast $new_broadcast_address"
+fi
+if [ x$new_subnet_mask != x ]; then
+ new_subnet_arg="netmask $new_subnet_mask"
+fi
+if [ x$alias_subnet_mask != x ]; then
+ alias_subnet_arg="netmask $alias_subnet_mask"
+fi
+
+if [ x$reason = xMEDIUM ]; then
+ # Linux doesn't do mediums (ok, ok, media).
+ exit_with_hooks 0
+fi
+
+if [ x$reason = xPREINIT ]; then
+ if [ x$alias_ip_address != x ]; then
+ # Bring down alias interface. Its routes will disappear too.
+ ifconfig $interface:0- 0.0.0.0
+ fi
+ ifconfig $interface 0.0.0.0 up
+
+ # We need to give the kernel some time to get the interface up.
+ sleep 1
+
+ exit_with_hooks 0
+fi
+
+if [ x$reason = xARPCHECK ] || [ x$reason = xARPSEND ]; then
+ exit_with_hooks 0
+fi
+
+if [ x$reason = xBOUND ] || [ x$reason = xRENEW ] || \
+ [ x$reason = xREBIND ] || [ x$reason = xREBOOT ]; then
+ current_hostname=`hostname`
+ if [ x$current_hostname = x ] || \
+ [ x$current_hostname = x$old_host_name ]; then
+ if [ x$current_hostname = x ] || \
+ [ x$new_host_name != x$old_host_name ]; then
+ hostname $new_host_name
+ fi
+ fi
+
+ if [ x$old_ip_address != x ] && [ x$alias_ip_address != x ] && \
+ [ x$alias_ip_address != x$old_ip_address ]; then
+ # Possible new alias. Remove old alias.
+ ifconfig $interface:0- 0.0.0.0
+ fi
+ if [ x$old_ip_address != x ] && [ x$old_ip_address != x$new_ip_address ]; then
+ # IP address changed. Bringing down the interface will delete all routes,
+ # and clear the ARP cache.
+ ifconfig $interface 0.0.0.0 down
+
+ fi
+ if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \
+ [ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then
+
+ ifconfig $interface $new_ip_address $new_subnet_arg \
+ $new_broadcast_arg
+ for router in $new_routers; do
+ if [ "x$new_subnet_mask" = "x255.255.255.255" ] ; then
+ route add -host $router dev $interface
+ fi
+ route add default gw $router
+ done
+ fi
+ if [ x$new_ip_address != x$alias_ip_address ] && [ x$alias_ip_address != x ];
+ then
+ ifconfig $interface:0- 0.0.0.0
+ ifconfig $interface:0 $alias_ip_address $alias_subnet_arg
+ route add -host $alias_ip_address $interface:0
+ fi
+ make_resolv_conf
+ exit_with_hooks 0
+fi
+
+if [ x$reason = xEXPIRE ] || [ x$reason = xFAIL ] || [ x$reason = xRELEASE ] \
+ || [ x$reason = xSTOP ]; then
+ if [ x$alias_ip_address != x ]; then
+ # Turn off alias interface.
+ ifconfig $interface:0- 0.0.0.0
+ fi
+ if [ x$old_ip_address != x ]; then
+ # Shut down interface, which will delete routes and clear arp cache.
+ ifconfig $interface 0.0.0.0 down
+ fi
+ if [ x$alias_ip_address != x ]; then
+ ifconfig $interface:0 $alias_ip_address $alias_subnet_arg
+ route add -host $alias_ip_address $interface:0
+ fi
+
+ # remove v4 dns configuration for this interface
+ rm /etc/resolv.conf.dhclient
+ cat /etc/resolv.conf.* > /etc/resolv.conf
+
+ exit_with_hooks 0
+fi
+
+if [ x$reason = xTIMEOUT ]; then
+ if [ x$alias_ip_address != x ]; then
+ ifconfig $interface:0- 0.0.0.0
+ fi
+ ifconfig $interface $new_ip_address $new_subnet_arg \
+ $new_broadcast_arg
+ set $new_routers
+ if ping -q -c 1 $1; then
+ if [ x$new_ip_address != x$alias_ip_address ] && \
+ [ x$alias_ip_address != x ]; then
+ ifconfig $interface:0 $alias_ip_address $alias_subnet_arg
+ route add -host $alias_ip_address dev $interface:0
+ fi
+ for router in $new_routers; do
+ if [ "x$new_subnet_mask" = "x255.255.255.255" ] ; then
+ route add -host $router dev $interface
+ fi
+ route add default gw $router
+ done
+ make_resolv_conf
+ exit_with_hooks 0
+ fi
+ ifconfig $interface 0.0.0.0 down
+ exit_with_hooks 1
+fi
+
+###
+### DHCPv6 Handlers
+###
+
+if [ x$reason = xPREINIT6 ]; then
+ # Ensure interface is up.
+ ifconfig ${interface} up
+
+ # Remove any stale addresses from aborted clients.
+ ip -f inet6 addr flush dev ${interface} scope global
+
+ exit_with_hooks 0
+fi
+
+if [ x${old_ip6_prefix} != x ] || [ x${new_ip6_prefix} != x ] ; then
+ echo Prefix ${reason} old=${old_ip6_prefix} new=${new_ip6_prefix}
+
+ exit_with_hooks 0
+fi
+
+if [ x$reason = xBOUND6 ]; then
+ if [ x${new_ip6_address} = x ] || [ x${new_ip6_prefixlen} = x ] ; then
+ exit_with_hooks 2;
+ fi
+
+ ifconfig ${interface} add ${new_ip6_address}/${new_ip6_prefixlen}
+
+ # Check for nameserver options.
+ make_resolv_conf
+
+### <<
+ # Set up softwire tunnel
+ if [ x${new_dhcp6_softwire} != x ] ; then
+ /etc/init.d/dhclient stop
+ ifconfig ${interface} 0.0.0.0
+ ip -6 tunnel add tun0 mode ipip6 \
+ remote ${new_dhcp6_softwire} \
+ local ${new_ip6_address} \
+ dev ${interface} encaplimit none
+ ip link set tun0 up
+ ip route add default dev tun0
+ fi
+### >>
+
+ exit_with_hooks 0
+fi
+
+if [ x$reason = xRENEW6 ] || [ x$reason = xREBIND6 ]; then
+ if [ x${new_ip6_address} = x ] || [ x${new_ip6_prefixlen} = x ] ; then
+ exit_with_hooks 2;
+ fi
+
+ ifconfig ${interface} add ${new_ip6_address}/${new_ip6_prefixlen}
+
+ # Make sure nothing has moved around on us.
+
+ # Nameservers/domains/etc.
+ if [ "x${new_dhcp6_name_servers}" != "x${old_dhcp6_name_servers}" ] ||
+ [ "x${new_dhcp6_domain_search}" != "x${old_dhcp6_domain_search}" ] ; then
+ make_resolv_conf
+ fi
+
+ exit_with_hooks 0
+fi
+
+if [ x$reason = xDEPREF6 ]; then
+ if [ x${new_ip6_address} = x ] ; then
+ exit_with_hooks 2;
+ fi
+
+ # Busybox ifconfig has no way to communicate this to the kernel, so ignore it
+
+ exit_with_hooks 0
+fi
+
+if [ x$reason = xEXPIRE6 -o x$reason = xRELEASE6 -o x$reason = xSTOP6 ]; then
+ if [ x${old_ip6_address} = x ] || [ x${old_ip6_prefixlen} = x ] ; then
+ exit_with_hooks 2;
+ fi
+
+ ifconfig ${interface} del ${old_ip6_address}/${old_ip6_prefixlen}
+
+ # remove v6 dns configuration for this interface
+ rm /etc/resolv.conf.dhclient6
+ cat /etc/resolv.conf.* > /etc/resolv.conf
+
+### <<
+ # Tear down softwire tunnel
+ if [ x${old_dhcp6_softwire} != x ] ; then
+ ip link set tun0 down
+ ip tunnel del tun0
+ fi
+### >>
+
+ exit_with_hooks 0
+fi
+
+exit_with_hooks 0
--- /dev/null
+#!/bin/sh /etc/rc.common
+
+START=60
+
+lease_file=/var/dhclient.leases
+config_file=/etc/dhclient.conf
+pid_file=/var/run/dhclient.pid
+script_file=/usr/sbin/dhclient-script
+
+start() {
+ /usr/sbin/dhclient -q -nw -cf $config_file -lf $lease_file -pf $pid_file -sf $script_file `/sbin/uci get network.wan.ifname`
+
+ if [ $? -ne 0 ]; then
+ return 1
+ fi
+}
+
+stop() {
+ if [ ! -e $pid_file ]; then
+ return 1
+ fi
+
+ kill -9 `cat $pid_file`
+
+ if [ $? -ne 0 ]; then
+ return 1
+ fi
+
+ rm $pid_file
+}
--- /dev/null
+option dhcp6.softwire code 54 = ip6-address;
+also request dhcp6.softwire;
--- /dev/null
+#!/bin/sh /etc/rc.common
+
+START=60
+
+lease_file=/var/dhclient6.leases
+config_file=/etc/dhclient6.conf
+pid_file=/var/run/dhclient6.pid
+script_file=/usr/sbin/dhclient-script
+
+start() {
+ /usr/sbin/dhclient -q -nw -6 -cf $config_file -lf $lease_file -pf $pid_file -sf $script_file `/sbin/uci get network.wan.ifname`
+
+ if [ $? -ne 0 ]; then
+ return 1
+ fi
+}
+
+stop() {
+ if [ ! -e $pid_file ]; then
+ return 1
+ fi
+
+ kill -9 `cat $pid_file`
+
+ if [ $? -ne 0 ]; then
+ return 1
+ fi
+
+ rm $pid_file
+}
--- /dev/null
+# dhcpd.conf
+
+authoritative;
+
+default-lease-time 3600;
+max-lease-time 86400;
+
+option domain-name-servers 192.168.1.1;
+
+subnet 192.168.1.0 netmask 255.255.255.0 {
+ range 192.168.1.10 192.168.1.50;
+ option routers 192.168.1.1;
+}
--- /dev/null
+#!/bin/sh /etc/rc.common
+
+START=65
+
+lease_file=/tmp/dhcpd.leases
+config_file=/etc/dhcpd.conf
+pid_file=/var/run/dhcpd.pid
+
+start() {
+ if [ ! -e $lease_file ]; then
+ touch $lease_file
+ fi
+
+ /usr/sbin/dhcpd -q -cf $config_file -lf $lease_file -pf $pid_file $dhcp_ifs
+
+ if [ $? -ne 0 ]; then
+ return 1
+ fi
+}
+
+stop() {
+ if [ ! -e $pid_file ]; then
+ return 1
+ fi
+
+ kill -9 `cat $pid_file`
+
+ if [ $? -ne 0 ]; then
+ return 1
+ fi
+
+ rm $pid_file
+}
--- /dev/null
+# dhcpd6.conf
+
+authoritative;
+
+default-lease-time 3600;
+max-lease-time 86400;
+
+# Enable RFC 5007 support
+#allow leasequery;
+
+# Global definitions for name server address(es) and domain search list
+#option dhcp6.name-servers 3ffe:501:ffff:100:200:ff:fe00:3f3e;
+#option dhcp6.domain-search "test.example.com","example.com";
+
+# Set preference to 255 (maximum) in order to avoid waiting for
+# additional servers when there is only one
+#option dhcp6.preference 255;
+
+# Server side command to enable rapid-commit (2 packet exchange)
+#option dhcp6.rapid-commit;
+
+# The delay before information-request refresh
+# (minimum is 10 minutes, maximum one day, default is to not refresh)
+# (set to 6 hours)
+#option dhcp6.info-refresh-time 3600;
+
+subnet6 3ffe:501:ffff:101::/64 {
+ # Use the whole /64 prefix for clients
+ range6 3ffe:501:ffff:101:: /64;
+}
--- /dev/null
+#!/bin/sh /etc/rc.common
+
+START=65
+
+lease_file=/var/dhcpd6.leases
+config_file=/etc/dhcpd6.conf
+pid_file=/var/run/dhcpd6.pid
+
+start() {
+ if [ ! -e $lease_file ]; then
+ touch $lease_file
+ fi
+
+ /usr/sbin/dhcpd -q -6 -cf $config_file -lf $lease_file -pf $pid_file $dhcp_ifs
+
+ if [ $? -ne 0 ]; then
+ return 1
+ fi
+}
+
+stop() {
+ if [ ! -e $pid_file ]; then
+ return 1
+ fi
+
+ kill -9 `cat $pid_file`
+
+ if [ $? -ne 0 ]; then
+ return 1
+ fi
+
+ rm $pid_file
+}
--- /dev/null
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2012 OpenWrt.org
+
+START=91
+
+SERVICE_SIG="KILL"
+SERVICE_PID_FILE="/var/run/dhcrelay4.pid"
+SERVICE_USE_PID=1
+
+start() {
+ . /lib/functions/network.sh
+ config_load dhcrelay
+ local args=""
+
+ local enabled
+ config_get_bool enabled ipv4 enabled 0
+ [ "$enabled" -eq 0 ] && return 0
+
+ # listen interfaces
+ local interfaces
+ local ifname
+ config_get interfaces ipv4 interfaces
+ for net in $interfaces; do
+ if network_get_device ifname "$net"; then
+ append args "-i $ifname"
+ fi
+ done
+
+ # link selection sub-option (RFC3527)
+ local link_selection
+ config_get link_selection ipv4 link_selection
+ if network_get_device ifname "$link_selection"; then
+ append args "-l $ifname"
+ fi
+
+ # relay mode
+ local relay_mode
+ config_get relay_mode ipv4 relay_mode
+ [ -n "$relay_mode" ] && append args "-m $relay_mode"
+
+ # dhcp server address
+ local server
+ config_get server ipv4 dhcpserver
+ [ -n "$server" ] || return 0
+ append args "$server"
+
+ service_start /usr/sbin/dhcrelay -4 -q \
+ -pf $SERVICE_PID_FILE $args
+}
+
+stop() {
+ service_stop /usr/sbin/dhcrelay
+}
--- /dev/null
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2012 OpenWrt.org
+
+START=91
+
+SERVICE_SIG="KILL"
+SERVICE_PID_FILE="/var/run/dhcrelay6.pid"
+SERVICE_USE_PID=1
+
+start() {
+ local relay_dhcpserver
+ local relay_upper
+ local relay_lowers
+ local relay_lower_args
+
+ config_load dhcrelay
+ config_get relay_dhcpserver ipv6 dhcpserver
+ config_get relay_upper ipv6 upper
+ config_get relay_lowers ipv6 lower
+
+ # If a specific DHCP server is specified,
+ # add it to the upper interface.
+ if [ -n "$relay_dhcpserver" ]; then
+ relay_upper="${relay_dhcpserver}%$relay_upper"
+ fi
+
+ # Add all lower interfaces at the end.
+ if [ -n "$relay_lowers" ]; then
+ local relay_lower
+ for relay_lower in $relay_lowers; do
+ append relay_lower_args "-l $relay_lower"
+ done
+ fi
+
+ service_start /usr/sbin/dhcrelay -6 -q \
+ -pf $SERVICE_PID_FILE \
+ -u $relay_upper $relay_lower_args
+}
+
+stop() {
+ service_stop /usr/sbin/dhcrelay
+}
--- /dev/null
+
+config dhcrelay ipv4
+ option 'enabled' '0'
+
+ # IP address of the server
+ option 'dhcpserver' '192.0.2.10'
+
+ # network interfaces to listen on (e.g. lan or wan)
+ option 'interfaces' ''
+
+ # What to do about packets that already have a relay option:
+ # 'append': Forward and append our own relay option
+ # 'replace': Forward, but replace theirs with ours (default)
+ # 'forward': Forward without changes
+ # 'discard': Don't forward
+ option 'relay_mode' ''
+
+ # enable RFC3527 link selection sub-option and use the IP address of
+ # the specified network interface as "uplink" IP address (e.g. wan)
+ option 'link_selection' ''
+
+config dhcrelay ipv6
+# option dhcpserver '2001:db8:1::1'
+ option upper 'eth1'
+ list lower 'eth0.2'
+ list lower 'eth0.3'
+
--- /dev/null
+diff --git a/bind/Makefile.in b/bind/Makefile.in
+index bd784c6..5950d19 100644
+--- a/bind/Makefile.in
++++ b/bind/Makefile.in
+@@ -85,13 +85,13 @@ bind2:
+ echo Bind export libraries already installed ; \
+ else \
+ echo Building BIND Export libraries - this takes some time. ;\
+- (cd ${bindsrcdir}/lib/export ; \
+- echo building in `pwd` ; \
+- MAKE=${GMAKE} ${GMAKE} >> ${binddir}/build.log) ; \
++ (cd ${bindsrcdir}/lib/export/dns ; \
++ echo building gen using ${BUILD_CC} in `pwd` ; \
++ $(MAKE) CC=${BUILD_CC} CFLAGS="-O2" LIBS="" gen) ; \
+ \
+ echo Installing BIND Export libraries to ${binddir}. ; \
+ (cd ${bindsrcdir}/lib/export ; \
+- MAKE=${GMAKE} ${GMAKE} install > ${binddir}/install.log) ; \
++ $(MAKE) DESTDIR="" install > ${binddir}/build.log) ; \
+ fi
+
+ clean:
+@@ -100,6 +100,7 @@ clean:
+
+ # Include the following so that this Makefile is happy when the parent
+ # tries to use them.
++install-exec:
+
+ distdir:
+
--- /dev/null
+--- a/relay/dhcrelay.c
++++ b/relay/dhcrelay.c
+@@ -60,6 +60,7 @@
+ int client_packet_errors = 0; /* Errors sending packets to clients. */
+
+ int add_agent_options = 0; /* If nonzero, add relay agent options. */
++int add_rfc3527_suboption = 0; /* If nonzero, add RFC3527 link selection sub-option. */
+
+ int agent_option_errors = 0; /* Number of packets forwarded without
+ agent options because there was no room. */
+@@ -99,6 +100,8 @@
+ struct sockaddr_in to;
+ } *servers;
+
++struct interface_info *uplink;
++
+ #ifdef DHCPv6
+ struct stream_list {
+ struct stream_list *next;
+@@ -147,6 +150,7 @@
+ " [-pf <pid-file>] [--no-pid]\n"\
+ " [-m append|replace|forward|discard]\n" \
+ " [-i interface0 [ ... -i interfaceN]\n" \
++" [-l interface]\n" \
+ " server0 [ ... serverN]\n\n" \
+ " dhcrelay -6 [-d] [-q] [-I] [-c <hops>] [-p <port>]\n" \
+ " [-pf <pid-file>] [--no-pid]\n" \
+@@ -161,6 +165,7 @@
+ " [-pf <pid-file>] [--no-pid]\n" \
+ " [-m append|replace|forward|discard]\n" \
+ " [-i interface0 [ ... -i interfaceN]\n" \
++" [-l interface]\n" \
+ " server0 [ ... serverN]\n\n"
+ #endif
+
+@@ -325,6 +330,20 @@
+ agent_relay_mode = discard;
+ } else
+ usage();
++ } else if (!strcmp (argv [i], "-l")) {
++ add_agent_options = 1;
++ add_rfc3527_suboption = 1;
++ if (++i == argc)
++ usage();
++
++ status = interface_allocate(&uplink, MDL);
++ if (status != ISC_R_SUCCESS)
++ log_fatal("%s: interface_allocate: %s",
++ argv[i],
++ isc_result_totext(status));
++ strcpy(uplink->name, argv[i]);
++ interface_snorf(uplink, INTERFACE_REQUESTED);
++ //interface_dereference(&uplink, MDL);
+ } else if (!strcmp(argv[i], "-D")) {
+ #ifdef DHCPv6
+ if (local_family_set && (local_family == AF_INET6)) {
+@@ -711,12 +730,17 @@
+ ip->addresses[0])))
+ return;
+
++ /* RFC3527: Replace giaddr address by uplink address. The original
++ * giaddr will be used in the link selection sub-option */
++ if (add_rfc3527_suboption)
++ packet->giaddr = uplink->addresses[0];
++
+ /* If giaddr is not already set, Set it so the server can
+ figure out what net it's from and so that we can later
+ forward the response to the correct net. If it's already
+ set, the response will be sent directly to the relay agent
+ that set giaddr, so we won't see it. */
+- if (!packet->giaddr.s_addr)
++ else if (!packet->giaddr.s_addr)
+ packet->giaddr = ip->addresses[0];
+ if (packet->hops < max_hop_count)
+ packet->hops = packet->hops + 1;
+@@ -1090,6 +1114,9 @@
+ optlen += ip->remote_id_len + 2; /* RAI_REMOTE_ID + len */
+ }
+
++ if (add_rfc3527_suboption)
++ optlen += 6;
++
+ /* We do not support relay option fragmenting(multiple options to
+ * support an option data exceeding 255 bytes).
+ */
+@@ -1121,6 +1148,14 @@
+ memcpy(sp, ip->remote_id, ip->remote_id_len);
+ sp += ip->remote_id_len;
+ }
++
++ if (add_rfc3527_suboption) {
++ *sp++ = RAI_LINK_SELECT;
++ *sp++ = 4u;
++ memcpy(sp, &giaddr.s_addr, 4);
++ sp += 4;
++ log_debug ("RFC3527 link selection sub-option added: %s", inet_ntoa(giaddr));
++ }
+ } else {
+ ++agent_option_errors;
+ log_error("No room in packet (used %d of %d) "
--- /dev/null
+--- a/bind/Makefile.in
++++ b/bind/Makefile.in
+@@ -63,8 +63,14 @@
+ else \
+ echo Configuring BIND Export libraries for DHCP. ; \
+ rm -rf ${cleandirs} ${cleanfiles} ; \
+- (cd ${bindsrcdir} && \
+- ./configure ${bindconfig} > ${binddir}/configure.log); \
++ (cd ${bindsrcdir} && export CC=${CROSS_CC} && \
++ ./configure --disable-atomic --disable-kqueue \
++ --disable-epoll --disable-devpoll --without-openssl \
++ --without-libxml2 --enable-exportlib \
++ --enable-threads=no \
++ --with-export-includedir=${binddir}/include \
++ --with-export-libdir=${binddir}/lib --with-gssapi=no \
++ --without-randomdev > ${binddir}/configure.log); \
+ fi
+
+ atf:
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