tvheadend: bind to LAN IP by default

If config parameter is not set, tvheadend will bind to LAN IP address by default.
Fixes issue openwrt#16500 without requiring user modifications to config file. It's also more secure if firewall becomes disabled.

Signed-off-by: Marius Dinu <m95d+git@psihoexpert.ro>

multimedia/tvheadend/files/tvheadend.config

@@ -5,6 +5,8 @@
 
 config tvheadend server
 	option ipv6 '1'
+	# If bindaddr is not set, it will default to LAN IP address (uci get network.lan.ipaddr).
+	# To bind all interfaces, set it to "0.0.0.0".
 #	 option bindaddr '0.0.0.0'
 #	 option http_port '9981'
 #	 option http_root '/tvheadend'

multimedia/tvheadend/files/tvheadend.init

@@ -62,6 +62,7 @@ load_uci_config() {
 	config_get_bool ipv6 server ipv6 0
 	[ "$ipv6" -eq 1 ] && procd_append_param command --ipv6
 	config_get bindaddr server bindaddr
+	[ -z "$bindaddr" ] && bindaddr=$(uci get network.lan.ipaddr)
 	[ -n "$bindaddr" ] && procd_append_param command --bindaddr "$bindaddr"
 	config_get http_port server http_port
 	[ -n "$http_port" ] && procd_append_param command --http_port "$http_port"