unetd: update to the latest version

21360a1b1ce6 cli: fix typo
abfebece0af1 wg-linux: ship a copy of linux/wireguard.h
1cbb1a543cb3 pex: reduce unnecessary ping traffic
0c2f39e52d5d pex: remove pex event debug spam
dcf1362c2104 pex: add support for sending/receiving global PEX messages via unix socket
df5f70b8858c ubus: notify on network updates
e58a56697131 add DHT discovery service
be175767bc67 pex: keep active pex hosts after the specified timeout
543e4a3d2ed7 pex: move rx header check to callback function
395659b9c415 pex: move raw ip send code to sendto_rawudp() in utils.c
dda15ea8b3b2 pex: add utility function to get the sockets based on type / address family
e88f2cd4d3f0 utils: add support for passings address family to network_get_endpoint()
639cdcdf6eda pex: add support for figuring out the external data port via STUN servers
9144339ebe1f pex: improve handling of a longer list of PEX hosts
38212218ecdd unet-cli: add DHT support
0d37ca75434d pex: automatically create host entries from incoming endpoint port notifications
035fcc56ef60 host: keep multiple endpoint candidates, one for each type
a089e8ae7504 pex: avoid sending a query to a host more than once every 15 seconds

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

package/network/services/unetd/Makefile

@@ -10,9 +10,9 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=unetd
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/unetd.git
-PKG_SOURCE_DATE:=2022-09-01
+PKG_SOURCE_DATE:=2022-09-16
-PKG_SOURCE_VERSION:=d7fb9e5b065bf9eecb5bcbcf741b5f89695c5dcc
+PKG_SOURCE_VERSION:=a089e8ae7504e55e05b1a88c3d8d1327460b8d4f
-PKG_MIRROR_HASH:=a693c2b4b4bda5e1e44b493019e8e6e6d39c4048f417b581c801a9931e6b9b39
+PKG_MIRROR_HASH:=15ebeb7ccf4fae0ac46df638999d51a8150d3b0859232537b80e6dcb03ffb165
 
 PKG_LICENSE:=GPL-2.0
 PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
@@ -44,6 +44,13 @@ define Package/unetd/config
 
 endef
 
+define Package/unet-dht
+  SECTION:=net
+  CATEGORY:=Network
+  DEPENDS:=unetd
+  TITLE:=unetd DHT discovery support
+endef
+
 define Package/unet-cli
   SECTION:=net
   CATEGORY:=Network
@@ -88,10 +95,19 @@ define Package/unetd/install
 	$(INSTALL_BIN) ./files/unetd.sh $(1)/lib/netifd/proto
 endef
 
+define Package/unet-dht/install
+	$(INSTALL_DIR) \
+		$(1)/etc/init.d \
+		$(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/unet-dht $(1)/usr/sbin
+	$(INSTALL_BIN) ./files/unet-dht.init $(1)/etc/init.d/unet-dht
+endef
+
 define Package/unet-cli/install
 	$(INSTALL_DIR) $(1)/usr/sbin
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/scripts/unet-cli $(1)/usr/sbin
 endef
 
 $(eval $(call BuildPackage,unetd))
+$(eval $(call BuildPackage,unet-dht))
 $(eval $(call BuildPackage,unet-cli))

package/network/services/unetd/files/unetd.init

@@ -10,7 +10,7 @@ start_service() {
 	mkdir -p /var/run/unetd /etc/unetd
 
 	procd_open_instance
-	procd_set_param command "$PROG" -h /var/run/unetd/hosts
+	procd_set_param command "$PROG" -h /var/run/unetd/hosts -u /var/run/unetd/socket
 	procd_set_param respawn
 	procd_set_param limits core="unlimited"
 	procd_close_instance

package/network/services/unetd/files/unetd.sh

@@ -16,6 +16,7 @@ proto_unet_init_config() {
 	proto_config_add_string file
 	proto_config_add_int keepalive
 	proto_config_add_string domain
+	proto_config_add_boolean dht
 	proto_config_add_array "tunnels:list(string)"
 	proto_config_add_array "connect:list(string)"
 	proto_config_add_array "peer_data:list(string)"
@@ -28,7 +29,7 @@ proto_unet_setup() {
 	local config="$1"
 
 	local device type key file keepalive domain tunnels
-	json_get_vars device type auth_key key file keepalive domain
+	json_get_vars device type auth_key key file keepalive domain dht
 	json_get_values tunnels tunnels
 	json_get_values connect connect
 	json_get_values peer_data peer_data
@@ -45,6 +46,7 @@ proto_unet_setup() {
 	json_add_string key "$key"
 	json_add_string file "$file"
 	[ -n "$keepalive" ] && json_add_int keepalive "$keepalive"
+	[ -n "$dht" ] && json_add_boolean dht "$dht"
 	json_add_string domain "$domain"
 
 	json_add_object tunnels