From 7b67808af0afac4c5e96e576247735b6e177d36a Mon Sep 17 00:00:00 2001
From: Tobias <admin+github@t0biii.de>
Date: Mon, 1 Apr 2024 10:38:17 +0200
Subject: [PATCH] build User Agent

---
 .../gluon-mesh-wireguard-vxlan/checkuplink    | 19 ++++++++++++---
 .../get-user-agent-infos.lua                  | 24 +++++++++++++++++++
 2 files changed, 40 insertions(+), 3 deletions(-)
 create mode 100644 ffmuc-mesh-vpn-wireguard-vxlan/luasrc/lib/gluon/gluon-mesh-wireguard-vxlan/get-user-agent-infos.lua

diff --git a/ffmuc-mesh-vpn-wireguard-vxlan/files/lib/gluon/gluon-mesh-wireguard-vxlan/checkuplink b/ffmuc-mesh-vpn-wireguard-vxlan/files/lib/gluon/gluon-mesh-wireguard-vxlan/checkuplink
index 9ececc4f..3b5afdae 100755
--- a/ffmuc-mesh-vpn-wireguard-vxlan/files/lib/gluon/gluon-mesh-wireguard-vxlan/checkuplink
+++ b/ffmuc-mesh-vpn-wireguard-vxlan/files/lib/gluon/gluon-mesh-wireguard-vxlan/checkuplink
@@ -117,12 +117,25 @@ is_loadbalancing_enabled() {
 	return 0
 }
 
+get_user_agent(){
+	local userAgentInfos=$(lua /lib/gluon/gluon-mesh-wireguard-vxlan/get-user-agent-infos.lua) 
+	
+	#OpenWrt/21.02.0 (kernel/5.10.206; gluon/v2023.1.2+; firmware/v2024.3.1) checkuplink/2.0 VMware, Inc. VMware Virtual Platform
+	openwrt_version="$(echo "$userAgentInfos" | sed -n 1p)"
+	kernel="$(echo "$userAgentInfos" | sed -n 2p)"
+	gluon_version="$(echo "$userAgentInfos" | sed -n 3p)"
+	firmware_release="$(echo "$userAgentInfos" | sed -n 4p)"
+	model="$(echo "$userAgentInfos" | sed -n 4p)"
+
+	local user_agent="OpenWrt/$openwrt_version (kernel/$kernel; gluon/$gluon_version; firmware/$firmware_release) checkuplink/2.0 $model"
+
+	echo $user_agent
+}
+
 get_wgkex_data(){
 	local version="$1"
 	WGKEX_BROKER="$PROTO://$WGKEX_BROKER_BASE_PATH/api/$version/wg/key/exchange"
-        local user_agent="Mozilla/5.0 OpenWrt xx.xx Gluon xx.xx Modell/xxx checkuplink/1.0"
-#more examples
-#OpenWrt/21.02.0 (GLUON/2024.1; Checkuplink/2.0) x64
+	local user_agent=$(get_user_agent())
 	logger -p info -t checkuplink "Contacting wgkex broker $WGKEX_BROKER"
 
 	if ! WGKEX_DATA=$(force_wan_connection wget -q -U=$user_agent  -O- --post-data='{"domain": "'"$SEGMENT"'","public_key": "'"$PUBLICKEY"'"}' "$WGKEX_BROKER"); then
diff --git a/ffmuc-mesh-vpn-wireguard-vxlan/luasrc/lib/gluon/gluon-mesh-wireguard-vxlan/get-user-agent-infos.lua b/ffmuc-mesh-vpn-wireguard-vxlan/luasrc/lib/gluon/gluon-mesh-wireguard-vxlan/get-user-agent-infos.lua
new file mode 100644
index 00000000..3ad2d375
--- /dev/null
+++ b/ffmuc-mesh-vpn-wireguard-vxlan/luasrc/lib/gluon/gluon-mesh-wireguard-vxlan/get-user-agent-infos.lua
@@ -0,0 +1,24 @@
+local json = require 'jsonc'
+local util = require 'gluon.util'
+local info = require 'gluon.info'
+
+-- Get System Infos
+local data = assert(json.parse(util.exec('ubus call system board')), "Malformed JSON response, wrong JSON format")
+
+assert(data.release, "Malformed JSON response, missing required value: release")
+local Openwrt_version = assert(data.release.version, "Malformed JSON response, missing required value: version")
+local kernel = assert(data.kernel, "Malformed JSON response, missing required value: kernel")
+
+local model = assert(data.model, "Malformed JSON response, missing required value: model")
+
+-- Get Gluon Infos
+local infos = info.get_info()
+
+local gluon_version = assert(infos.gluon_version, "Malformed gluon-info, missing required value: gluon version")
+local firmware_release = assert(infos.firmware_release, "Malformed gluon-info, missing required value: firmware release")
+
+print(Openwrt_version)
+print(kernel)
+print(gluon_version)
+print(firmware_release)
+print(model)