luci-proto-wireguard: rewrite rpcd handler in ucode

Rewrite the wireguard rpcd plugin in ucode to prevent an implicit dependency
on the LuCI Lua runtime.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 0 insertions, 162 deletions

diff --git a/protocols/luci-proto-wireguard/root/usr/libexec/rpcd/luci.wireguard b/protocols/luci-proto-wireguard/root/usr/libexec/rpcd/luci.wireguard
deleted file mode 100755
index a42b6fac85..0000000000
--- a/protocols/luci-proto-wireguard/root/usr/libexec/rpcd/luci.wireguard
+++ /dev/null
@@ -1,162 +0,0 @@
-#!/usr/bin/env lua
-
-local json = require "luci.jsonc"
-local util = require "luci.util"
-local sys = require "luci.sys"
-local io = require "io"
-local uci = require "uci"
-local fs = require "nixio.fs"
-
-local methods = {
-	generatePsk = {
-		call = function()
-			local psk = sys.exec("wg genpsk"):sub(1, -2)
-
-			return {psk = psk}
-		end
-	},
-	generateKeyPair = {
-		call = function()
-			local prv = sys.exec("wg genkey 2>/dev/null"):sub(1, -2)
-			local pub = sys.exec("echo %s | wg pubkey 2>/dev/null" % util.shellquote(prv)):sub(1, -2)
-
-			return {keys = {priv = prv, pub = pub}}
-		end
-	},
-	getPublicAndPrivateKeyFromPrivate = {
-		args = {privkey = "privkey"},
-		call = function(args)
-			local pubkey = sys.exec("echo %s | wg pubkey 2>/dev/null" % util.shellquote(args.privkey)):sub(1, -2)
-
-			return {keys = {priv = args.privkey, pub = pubkey}}
-		end
-	},
-	getWgInstances = {
-		call = function()
-			local data = {}
-			local last_device = ""
-			local qr_pubkey = {}
-
-			local wg_dump = io.popen("wg show all dump 2>/dev/null")
-			if wg_dump then
-				local line
-				for line in wg_dump:lines() do
-					local line = string.split(line, "\t")
-					if not (last_device == line[1]) then
-						last_device = line[1]
-						data[line[1]] = {
-							name = line[1],
-							public_key = line[3],
-							listen_port = line[4],
-							fwmark = line[5],
-							peers = {}
-						}
-						if not line[3] or line[3] == "" or line[3] == "(none)" then
-							qr_pubkey[line[1]] = ""
-						else
-							qr_pubkey[line[1]] = "PublicKey = " .. line[3]
-						end
-					else
-						local peer_name
-						local cur = uci.cursor()
-
-						cur:foreach(
-							"network",
-							"wireguard_" .. line[1],
-							function(s)
-								if s.public_key == line[2] then
-									peer_name = s.description
-								end
-							end
-						)
-
-						local peer = {
-							name = peer_name,
-							public_key = line[2],
-							endpoint = line[4],
-							allowed_ips = {},
-							latest_handshake = line[6],
-							transfer_rx = line[7],
-							transfer_tx = line[8],
-							persistent_keepalive = line[9]
-						}
-
-						if not (line[4] == "(none)") then
-							local ipkey, ipvalue
-							for ipkey, ipvalue in pairs(string.split(line[5], ",")) do
-								if #ipvalue > 0 then
-									table.insert(peer["allowed_ips"], ipvalue)
-								end
-							end
-						end
-
-						table.insert(data[line[1]].peers, peer)
-					end
-				end
-			end
-
-			return data
-		end
-	}
-}
-
-local function parseInput()
-	local parse = json.new()
-	local done, err
-
-	while true do
-		local chunk = io.read(4096)
-		if not chunk then
-			break
-		elseif not done and not err then
-			done, err = parse:parse(chunk)
-		end
-	end
-
-	if not done then
-		print(json.stringify({error = err or "Incomplete input"}))
-		os.exit(1)
-	end
-
-	return parse:get()
-end
-
-local function validateArgs(func, uargs)
-	local method = methods[func]
-	if not method then
-		print(json.stringify({error = "Method not found"}))
-		os.exit(1)
-	end
-
-	if type(uargs) ~= "table" then
-		print(json.stringify({error = "Invalid arguments"}))
-		os.exit(1)
-	end
-
-	uargs.ubus_rpc_session = nil
-
-	local k, v
-	local margs = method.args or {}
-	for k, v in pairs(uargs) do
-		if margs[k] == nil or (v ~= nil and type(v) ~= type(margs[k])) then
-			print(json.stringify({error = "Invalid arguments"}))
-			os.exit(1)
-		end
-	end
-
-	return method
-end
-
-if arg[1] == "list" then
-	local _, method, rv = nil, nil, {}
-	for _, method in pairs(methods) do
-		rv[_] = method.args or {}
-	end
-	print((json.stringify(rv):gsub(":%[%]", ":{}")))
-elseif arg[1] == "call" then
-	local args = parseInput()
-	local method = validateArgs(arg[2], args)
-	local result, code = method.call(args)
-	print((json.stringify(result):gsub("^%[%]$", "{}")))
-	os.exit(code or 0)
-end