When in ra server mode, configure nameservers passed in router
announcements from the dns value (which is already used by odhcpd).
This also fixes FS#677 by using the global IPv6 address of the router
instead of the link local address (if no nameservers are configured).
Signed-off-by: Arjen de Korte <build+l...@de-korte.org>
---
package/network/services/dnsmasq/files/dnsmasq.init | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/package/network/services/dnsmasq/files/dnsmasq.init
b/package/network/services/dnsmasq/files/dnsmasq.init
index 1a1941f1d7..7cad06407f 100644
--- a/package/network/services/dnsmasq/files/dnsmasq.init
+++ b/package/network/services/dnsmasq/files/dnsmasq.init
@@ -466,6 +466,7 @@ dhcp_add() {
config_get ra "$cfg" ra
config_get ra_management "$cfg" ra_management
config_get ra_preference "$cfg" ra_preference
+ config_get dns "$cfg" dns
# Put the router host name on this DHCP served interface address(es)
dhcp_this_host_add "$net" "$ifname" "$ADD_LOCAL_FQDN"
@@ -533,6 +534,15 @@ dhcp_add() {
xappend
"--dhcp-range=$nettag$dhcp6range,constructor:$ifname,slaac,ra-names,$leasetime"
;;
esac
+
+ if [ -n "$dns" ]; then
+ dnss=""
+ for d in $dns; do append dnss "[$d]" ","; done
+ else
+ dnss="[::]"
+ fi
+
+ dhcp_option_append "option6:dns-server,$dnss" "$networkid"
fi
dhcp_option_add "$cfg" "$networkid"
--
2.12.2
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