umdns: add firewall rule for configured interfaces

Makes it easier to enable MDNS on wan without having to edit the firewall
configuration for it

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/package/network/services/umdns/files/umdns.init b/package/network/services/umdns/files/umdns.init
index e9a2c05e093e3098363e43dc23b6ea1d34259d95..61b2a338d677f6123186fb291c6ae545058cc9e3 100644 (file)
--- a/package/network/services/umdns/files/umdns.init
+++ b/package/network/services/umdns/files/umdns.init
@@ -35,6 +35,23 @@ start_service() {
        procd_set_param command "$PROG"
        [ -f /etc/seccomp/umdns.json ] && procd_set_param seccomp /etc/seccomp/umdns.json
        procd_set_param respawn
+
+       procd_open_data
+       json_add_array firewall
+
+       for n in $network; do
+               json_add_object ""
+               json_add_string type rule
+               json_add_string proto udp
+               json_add_string src "$n"
+               json_add_int dest_port 5353
+               json_add_string target ACCEPT
+               json_close_object
+       done
+
+       json_close_array
+       procd_close_data
+
        procd_open_trigger
        procd_add_config_trigger "config.change" "umdns" /etc/init.d/umdns reload
        for n in $network; do