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odhcp6c: add option "keep_ra_dnslifetime"

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Add option keep_ra_dnslifetime which will preserve the received
lifetime for RDNSS and DNSSL RA records and not overwrite it
by the RA router lifetime as specified in RFC6106.
This allows to accept RDNNS records from RAs that don't announce
a default route by setting router lifetime to 0 in the RAs.

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
This commit is contained in:
Hans Dedecker 2017-01-09 11:43:23 +01:00
parent f0353c5e8c
commit 8d2171e469
2 changed files with 8 additions and 5 deletions
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6
package/network/ipv6/odhcp6c/Makefile
View file

@ -12,9 +12,9 @@ PKG_RELEASE:=1
PKG_SOURCE_URL:=git://git.lede-project.org/project/odhcp6c.git PKG_SOURCE_URL:=git://git.lede-project.org/project/odhcp6c.git
PKG_SOURCE_PROTO:=git PKG_SOURCE_PROTO:=git
PKG_SOURCE_DATE:=2017-01-02 PKG_SOURCE_DATE:=2017-01-07
PKG_SOURCE_VERSION:=5d6fec3a5c2a1a3015a2f26aaa27e05315e188f3 PKG_SOURCE_VERSION:=d420f49396c627ce1072b83170889baf0720bc8b
PKG_MIRROR_HASH:=2a645e264d93cca7545427818acc3781eeb2564c6c9d27a85085a9851c30bb5d PKG_MIRROR_HASH:=a7c599b5600b6cca9aec221dd32fc7754e0e942b0192bd902f1e789f53345127
PKG_MAINTAINER:=Steven Barth <steven@midlink.org> PKG_MAINTAINER:=Steven Barth <steven@midlink.org>
PKG_LICENSE:=GPL-2.0 PKG_LICENSE:=GPL-2.0

7
package/network/ipv6/odhcp6c/files/dhcpv6.sh
View file

@ -30,14 +30,15 @@ proto_dhcpv6_init_config() {
proto_config_add_int "soltimeout" proto_config_add_int "soltimeout"
proto_config_add_boolean fakeroutes proto_config_add_boolean fakeroutes
proto_config_add_boolean sourcefilter proto_config_add_boolean sourcefilter
proto_config_add_boolean keep_ra_dnslifetime
} }
proto_dhcpv6_setup() { proto_dhcpv6_setup() {
local config="$1" local config="$1"
local iface="$2" local iface="$2"
local reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter local reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter keep_ra_dnslifetime
json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix extendprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes sourcefilter keep_ra_dnslifetime
# Configure # Configure
@ -61,6 +62,8 @@ proto_dhcpv6_setup() {
[ -n "$userclass" ] && append opts "-u$userclass" [ -n "$userclass" ] && append opts "-u$userclass"
[ "$keep_ra_dnslifetime" = "1" ] && append opts "-L"
for opt in $reqopts; do for opt in $reqopts; do
append opts "-r$opt" append opts "-r$opt"
done done