odhcp6c: update to use upstreamed solution to ignore default lifetime for RDNSS

package/gluon-mesh-batman-adv-core/luasrc/lib/gluon/upgrade/330-gluon-mesh-batman-adv-core-local-node

@@ -25,6 +25,7 @@ uci:section('network', 'interface', 'local_node',
 		reqprefix = 'no',
 		peerdns = 1,
 		sourcefilter = 0,
+		keep_ra_dnslifetime = 1,
 	}
 )
 

patches/openwrt/0003-odhcp6c-always-accept-RDNSS-independent-of-the-default-router-lifetime.patch

@@ -1,31 +0,0 @@
-From: Matthias Schiffer <mschiffer@universe-factory.net>
-Date: Thu, 13 Nov 2014 01:17:24 +0100
-Subject: odhcp6c: always accept RDNSS, independent of the default router lifetime
-
-diff --git a/package/network/ipv6/odhcp6c/patches/001-always_accept_rdnss.patch b/package/network/ipv6/odhcp6c/patches/001-always_accept_rdnss.patch
-new file mode 100644
-index 0000000000000000000000000000000000000000..cb694cadf4df4b487b3a4035eacca9c6a7798ecb
---- /dev/null
-+++ b/package/network/ipv6/odhcp6c/patches/001-always_accept_rdnss.patch
-@@ -0,0 +1,21 @@
-+--- a/src/ra.c
-++++ b/src/ra.c
-+@@ -438,18 +438,6 @@ bool ra_process(void)
-+ 				}
-+ 			}
-+ 		}
-+-
-+-		int states[2] = {STATE_RA_DNS, STATE_RA_SEARCH};
-+-		for (size_t i = 0; i < 2; ++i) {
-+-			size_t ra_dns_len;
-+-			uint8_t *start = odhcp6c_get_state(states[i], &ra_dns_len);
-+-			for (struct odhcp6c_entry *c = (struct odhcp6c_entry*)start;
-+-						(uint8_t*)c < &start[ra_dns_len] && &c->auxtarget[c->auxlen] <= &start[ra_dns_len];
-+-						c = (struct odhcp6c_entry*)(&c->auxtarget[c->auxlen]))
-+-				if (IN6_ARE_ADDR_EQUAL(&c->router, &from.sin6_addr) &&
-+-						c->valid > router_valid)
-+-					c->valid = router_valid;
-+-		}
-+ 	}
-+ 
-+ 	if (found)

patches/openwrt/0003-odhcp6c-backport-from-LEDE-0d49f9f4b4da9d1960f82e68ae797290e4b9c434.patch

@@ -0,0 +1,118 @@
+From: Matthias Schiffer <mschiffer@universe-factory.net>
+Date: Tue, 17 Jan 2017 22:08:21 +0100
+Subject: odhcp6c: backport from LEDE 0d49f9f4b4da9d1960f82e68ae797290e4b9c434
+
+diff --git a/package/network/ipv6/odhcp6c/Makefile b/package/network/ipv6/odhcp6c/Makefile
+index 3705705f6540dc841c7041e81f6d208a41a1f08a..a8e45588a52859daf14c68c665a53690b9d09be2 100644
+--- a/package/network/ipv6/odhcp6c/Makefile
++++ b/package/network/ipv6/odhcp6c/Makefile
+@@ -8,15 +8,16 @@
+ include $(TOPDIR)/rules.mk
+ 
+ PKG_NAME:=odhcp6c
+-PKG_VERSION:=2016-02-08
++PKG_VERSION:=2017-01-07
+ PKG_RELEASE=$(PKG_SOURCE_VERSION)
+ 
+ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+ PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+-PKG_SOURCE_URL:=https://github.com/openwrt/odhcp6c.git
++PKG_SOURCE_URL:=git://git.lede-project.org/project/odhcp6c.git
+ PKG_SOURCE_PROTO:=git
+-PKG_SOURCE_VERSION:=dc186d6d2b0dd4ad23ca5fc69c00e81f796ff6d9
+-PKG_MAINTAINER:=Steven Barth <steven@midlink.org>
++PKG_SOURCE_VERSION:=d420f49396c627ce1072b83170889baf0720bc8b
++PKG_MIRROR_HASH:=a7c599b5600b6cca9aec221dd32fc7754e0e942b0192bd902f1e789f53345127
++PKG_MAINTAINER:=Hans Dedecker <dedeckeh@gmail.com>
+ PKG_LICENSE:=GPL-2.0
+ 
+ include $(INCLUDE_DIR)/package.mk
+@@ -30,7 +31,7 @@ define Package/odhcp6c
+   SECTION:=net
+   CATEGORY:=Network
+   TITLE:=Embedded DHCPv6-client for OpenWrt
+-  DEPENDS:=+kmod-ipv6
++  DEPENDS:=@IPV6 +libubox
+ endef
+ 
+ define Package/odhcp6c/config
+diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script
+index 677d35f4f92e82d6a7fe9ca01a35e071097baca8..1bb5e771b6dc80c1f5bceef88508d92cc69b1d3a 100755
+--- a/package/network/ipv6/odhcp6c/files/dhcpv6.script
++++ b/package/network/ipv6/odhcp6c/files/dhcpv6.script
+@@ -77,6 +77,11 @@ setup_interface () {
+ 				-z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
+ 			RA_ROUTES="::/0,$SERVER,$valid,4096"
+ 		fi
++
++		# RFC 7278
++		if [ "$mask" -eq 64 -a -z "$PREFIXES" -a -n "$EXTENDPREFIX" ]; then
++			proto_add_ipv6_prefix "$addr/$mask,$preferred,$valid"
++		fi
+ 	done
+ 
+ 	for entry in $RA_ROUTES; do
+@@ -180,7 +185,7 @@ setup_interface () {
+ 	# Apply IPv6 / ND configuration
+ 	HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
+ 	[ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
+-	[ -n "$RA_MTU" ] && [ "$RA_MTU" -gt 0 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu
++	[ -n "$RA_MTU" ] && [ "$RA_MTU" -ge 1280 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu 2>/dev/null
+ 	[ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
+ 	[ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms
+ 
+@@ -209,6 +214,6 @@ case "$2" in
+ esac
+ 
+ # user rules
+-[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
++[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user "@"
+ 
+ exit 0
+diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.sh b/package/network/ipv6/odhcp6c/files/dhcpv6.sh
+index 4a453fdc4d94d9298067a986b0e4c6054b6c0a60..9e3f6697335a55cf4be1751fec907a4ac93f09ec 100755
+--- a/package/network/ipv6/odhcp6c/files/dhcpv6.sh
++++ b/package/network/ipv6/odhcp6c/files/dhcpv6.sh
+@@ -13,6 +13,7 @@ proto_dhcpv6_init_config() {
+ 	proto_config_add_string 'reqopts:list(uinteger)'
+ 	proto_config_add_string 'noslaaconly:bool'
+ 	proto_config_add_string 'forceprefix:bool'
++	proto_config_add_string 'extendprefix:bool'
+ 	proto_config_add_string 'norelease:bool'
+ 	proto_config_add_string 'ip6prefix:ip6addr'
+ 	proto_config_add_string iface_dslite
+@@ -29,14 +30,15 @@ proto_dhcpv6_init_config() {
+ 	proto_config_add_int "soltimeout"
+ 	proto_config_add_boolean fakeroutes
+ 	proto_config_add_boolean sourcefilter
++	proto_config_add_boolean keep_ra_dnslifetime
+ }
+ 
+ proto_dhcpv6_setup() {
+ 	local config="$1"
+ 	local iface="$2"
+ 
+-	local reqaddress reqprefix clientid reqopts noslaaconly forceprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter
+-	json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter
++	local reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter keep_ra_dnslifetime
++	json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter keep_ra_dnslifetime
+ 
+ 
+ 	# Configure
+@@ -60,6 +62,8 @@ proto_dhcpv6_setup() {
+ 
+ 	[ -n "$userclass" ] && append opts "-u$userclass"
+ 
++	[ "$keep_ra_dnslifetime" = "1" ] && append opts "-L"
++
+ 	for opt in $reqopts; do
+ 		append opts "-r$opt"
+ 	done
+@@ -78,6 +82,7 @@ proto_dhcpv6_setup() {
+ 	[ -n "$zone" ] && proto_export "ZONE=$zone"
+ 	[ "$fakeroutes" != "0" ] && proto_export "FAKE_ROUTES=1"
+ 	[ "$sourcefilter" = "0" ] && proto_export "NOSOURCEFILTER=1"
++	[ "$extendprefix" = "1" ] && proto_export "EXTENDPREFIX=1"
+ 
+ 	proto_export "INTERFACE=$config"
+ 	proto_run_command "$config" odhcp6c \