ppp: propagate master peerdns setting to dynamic slave interface

Honour the parent interfaces peerdns option when spawning a virtual DHCPv6
interface in order to avoid pulling in IPv6 DNS servers when the user opted
to inhibit peer DNS servers in the configuration.

Fixes #597.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2017-03-06 13:47:50 +01:00
parent a8e0816490
commit 64de1cb1fd
3 changed files with 4 additions and 2 deletions

View file

@ -10,7 +10,7 @@ include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=ppp
PKG_VERSION:=2.4.7
PKG_RELEASE:=10
PKG_RELEASE:=11
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=https://download.samba.org/pub/ppp/

View file

@ -23,6 +23,7 @@ if [ -n "$AUTOIPV6" ]; then
json_add_string proto "dhcpv6"
[ -n "$EXTENDPREFIX" ] && json_add_string extendprefix 1
[ -n "$IP6TABLE" ] && json_add_string ip6table $IP6TABLE
[ -n "$PEERDNS" ] && json_add_boolean peerdns $PEERDNS
json_close_object
ubus call network add_dynamic "$(json_dump)"
fi

View file

@ -88,7 +88,7 @@ ppp_generic_setup() {
local config="$1"; shift
local localip
json_get_vars ipv6 ip6table demand keepalive keepalive_adaptive username password pppd_options pppname unnumbered persist maxfail holdoff
json_get_vars ipv6 ip6table demand keepalive keepalive_adaptive username password pppd_options pppname unnumbered persist maxfail holdoff peerdns
if [ "$ipv6" = 0 ]; then
ipv6=""
elif [ -z "$ipv6" -o "$ipv6" = auto ]; then
@ -137,6 +137,7 @@ ppp_generic_setup() {
${ipv6:++ipv6} \
${autoipv6:+set AUTOIPV6=1} \
${ip6table:+set IP6TABLE=$ip6table} \
${peerdns:+set PEERDNS=$peerdns} \
nodefaultroute \
usepeerdns \
$demand $persist maxfail $maxfail \