gluon-wan-dnsmasq: allow configuring static DNS servers

This commit is contained in:
Matthias Schiffer 2014-08-09 14:29:24 +02:00
parent 488ed1bdd7
commit d8f0c531c9
3 changed files with 17 additions and 5 deletions

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@ -0,0 +1,2 @@
config 'static'
# list 'server' '192.168.0.1' # Example

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@ -16,7 +16,7 @@ RESOLV_CONF=$RESOLV_CONF_DIR/resolv.conf
start() {
mkdir -p $RESOLV_CONF_DIR
touch $RESOLV_CONF
/lib/gluon/wan-dnsmasq/update.lua
LD_PRELOAD=libpacketmark.so LIBPACKETMARK_MARK=$PACKET_MARK service_start /usr/sbin/dnsmasq -x $SERVICE_PID_FILE -u root -i lo -p $PORT -h -r $RESOLV_CONF
}

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@ -5,21 +5,31 @@ local RESOLV_CONF = RESOLV_CONF_DIR .. '/resolv.conf'
local ubus = require('ubus').connect()
local uci = require('luci.model.uci').cursor()
local fs = require 'nixio.fs'
local function write_servers(f, iface)
local servers = ubus:call('network.interface.' .. iface, 'status', {}).inactive['dns-server']
local function write_servers(f, servers)
for _, server in ipairs(servers) do
f:write('nameserver ', server, '\n')
end
end
local function write_interface_servers(f, iface)
write_servers(f, ubus:call('network.interface.' .. iface, 'status', {}).inactive['dns-server'])
end
fs.mkdirr(RESOLV_CONF_DIR)
local f = io.open(RESOLV_CONF, 'w+')
pcall(write_servers, f, 'wan6')
pcall(write_servers, f, 'wan')
local static = uci:get_first('gluon-wan-dnsmasq', 'static', 'server')
if type(static) == 'table' and #static > 0 then
write_servers(f, static)
else
pcall(write_interface_servers, f, 'wan6')
pcall(write_interface_servers, f, 'wan')
end
f:close()