AA: backport odhcp6c from trunk

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@36710 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 206 insertions, 0 deletions

diff --git a/package/odhcp6c/Makefile b/package/odhcp6c/Makefile
new file mode 100644
index 0000000000..6c8934e7cc
--- /dev/null
+++ b/package/odhcp6c/Makefile
@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2012 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=odhcp6c
+PKG_VERSION:=2013-05-21
+PKG_RELEASE=$(PKG_SOURCE_VERSION)
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_URL:=git://github.com/sbyx/odhcp6c.git
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_VERSION:=6677edeab2d7472b97a34461872c2c8985d6a57c
+PKG_MAINTAINER:=Steven Barth <steven@midlink.org>
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/odhcp6c
+  SECTION:=ipv6
+  CATEGORY:=IPv6
+  TITLE:=Embedded DHCPv6-client for OpenWrt
+  DEPENDS:=+kmod-ipv6
+endef
+
+define Package/odhcp6c/install
+	$(INSTALL_DIR) $(1)/usr/sbin/
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/odhcp6c $(1)/usr/sbin/
+	$(INSTALL_DIR) $(1)/lib/netifd/proto
+	$(INSTALL_BIN) ./files/dhcpv6.sh $(1)/lib/netifd/proto/dhcpv6.sh
+	$(INSTALL_BIN) ./files/dhcpv6.script $(1)/lib/netifd/
+endef
+
+$(eval $(call BuildPackage,odhcp6c))
diff --git a/package/odhcp6c/files/dhcpv6.script b/package/odhcp6c/files/dhcpv6.script
new file mode 100755
index 0000000000..324a823ce9
--- /dev/null
+++ b/package/odhcp6c/files/dhcpv6.script
@@ -0,0 +1,110 @@
+#!/bin/sh
+[ -z "$2" ] && echo "Error: should be run by odhcpc6c" && exit 1
+. /lib/functions.sh
+. /lib/netifd/netifd-proto.sh
+
+setup_interface () {
+	local device="$1"
+	proto_init_update "*" 1
+
+	# Merge RA-DNS
+	for radns in $RA_DNS; do
+		local duplicate=0
+		for dns in $RDNSS; do
+			[ "$radns" = "$dns" ] && duplicate=1
+		done
+		[ "$duplicate" = 0 ] && RDNSS="$RDNSS $radns"
+	done
+
+	for dns in $RDNSS; do
+		proto_add_dns_server "$dns"
+	done
+
+	for domain in $DOMAINS; do
+		proto_add_dns_search "$domain"
+	done
+
+	for prefix in $PREFIXES; do
+		proto_add_ipv6_prefix "$prefix"
+	done
+
+	[ -n "$USERPREFIX" ] && proto_add_ipv6_prefix "$USERPREFIX"
+
+	# Merge addresses
+	for entry in $RA_ADDRESSES; do
+		local duplicate=0
+		local addr="${entry%%/*}"
+		for dentry in $ADDRESSES; do
+			local daddr="${dentry%%/*}"
+			[ "$addr" = "$daddr" ] && duplicate=1
+		done
+		[ "$duplicate" = "0" ] && ADDRESSES="$ADDRESSES $entry"
+	done
+
+	for entry in $ADDRESSES; do
+		local addr="${entry%%/*}"
+		entry="${entry#*/}"
+		local mask="${entry%%,*}"
+		entry="${entry#*,}"
+		local preferred="${entry%%,*}"
+		entry="${entry#*,}"
+		local valid="${entry%%,*}"
+
+		proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
+	done
+
+	for entry in $RA_ROUTES; do
+		local addr="${entry%%/*}"
+		entry="${entry#*/}"
+		local mask="${entry%%,*}"
+		entry="${entry#*,}"
+		local gw="${entry%%,*}"
+		entry="${entry#*,}"
+		local valid="${entry%%,*}"
+		entry="${entry#*,}"
+		local metric="${entry%%,*}"
+
+		proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
+	done
+
+	proto_send_update "$INTERFACE"
+
+	if [ -n "$AFTR_IP " -a -n "$IFACE_DSLITE" ]; then
+uci -q batch <<-EOF >/dev/null
+set network.$IFACE_DSLITE.proto=dslite
+set network.$IFACE_DSLITE.auto=0
+set network.$IFACE_DSLITE.peeraddr=$AFTR_IP
+set network.$IFACE_DSLITE.tunlink=$INTERFACE
+commit network
+EOF
+
+		ifdown "$IFACE_DSLITE"
+		/etc/init.d/network reload
+		ifup "$IFACE_DSLITE"
+	fi
+
+	# TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
+}
+
+teardown_interface() {
+	proto_init_update "*" 0
+	proto_send_update "$INTERFACE"
+}
+
+case "$2" in
+	bound)
+		teardown_interface "$1"
+		setup_interface "$1"
+	;;
+	informed|updated|rebound|ra-updated)
+		setup_interface "$1"
+	;;
+	started|stopped|unbound)
+		teardown_interface "$1"
+	;;
+esac
+
+# user rules
+[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
+
+exit 0
diff --git a/package/odhcp6c/files/dhcpv6.sh b/package/odhcp6c/files/dhcpv6.sh
new file mode 100755
index 0000000000..b2264ed907
--- /dev/null
+++ b/package/odhcp6c/files/dhcpv6.sh
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+. /lib/functions.sh
+. ../netifd-proto.sh
+init_proto "$@"
+
+proto_dhcpv6_init_config() {
+	proto_config_add_string "reqaddress"
+	proto_config_add_string "reqprefix"
+	proto_config_add_string "clientid"
+	proto_config_add_string "reqopts"
+	proto_config_add_string "noslaaconly"
+	proto_config_add_string "norelease"
+	proto_config_add_string "ip6prefix"
+}
+
+proto_dhcpv6_setup() {
+	local config="$1"
+	local iface="$2"
+
+	local reqaddress reqprefix clientid reqopts noslaaconly norelease ip6prefix iface_dslite
+	json_get_vars reqaddress reqprefix clientid reqopts noslaaconly norelease ip6prefix iface_dslite
+
+
+	# Configure
+	local opts=""
+	[ -n "$reqaddress" ] && append opts "-N$reqaddress"
+
+	[ -z "$reqprefix" -o "$reqprefix" = "auto" ] && reqprefix=0
+	[ "$reqprefix" != "no" ] && append opts "-P$reqprefix"
+
+	[ -n "$clientid" ] && append opts "-c$clientid"
+
+	[ "$noslaaconly" = "1" ] && append opts "-S"
+
+	[ "$norelease" = "1" ] && append opts "-k"
+
+	for opt in $reqopts; do
+		append opts "-r$opt"
+	done
+
+	[ -n "$ip6prefix" ] && proto_export "USERPREFIX=$ip6prefix"
+	[ -n "$iface_dslite" ] && proto_export "IFACE_DSLITE=$iface_dslite"
+
+	proto_export "INTERFACE=$config"
+	proto_run_command "$config" odhcp6c \
+		-s /lib/netifd/dhcpv6.script \
+		$opts $iface
+}
+
+proto_dhcpv6_teardown() {
+	local interface="$1"
+	proto_kill_command "$interface"
+}
+
+add_protocol dhcpv6
+