loginserver and example

examples/login/client.lua

@@ -0,0 +1,59 @@
+package.cpath = "luaclib/?.so"
+
+local socket = require "clientsocket"
+local cjson = require "cjson"
+local crypt = require "crypt"
+
+local last
+local fd = assert(socket.connect("127.0.0.1", 8001))
+local input = {}
+
+local function readline()
+	local line = table.remove(input, 1)
+	if line then
+		return line
+	end
+
+	while true do
+		local status
+		status, last = socket.readline(fd, last, input)
+		if status == nil then
+			error "Server closed"
+		end
+		if not status then
+			socket.usleep(100)
+		else
+			local line = table.remove(input, 1)
+			if line then
+				return line
+			end
+		end
+	end
+end
+
+local challenge = crypt.base64decode(readline())
+
+local clientkey = crypt.randomkey()
+socket.writeline(fd, crypt.base64encode(crypt.dhexchange(clientkey)))
+local secret = crypt.dhsecret(crypt.base64decode(readline()), clientkey)
+
+print("sceret is ", crypt.hexencode(secret))
+
+local hmac = crypt.hmac64(challenge, secret)
+socket.writeline(fd, crypt.base64encode(hmac))
+
+local token = {
+	user = "hello",
+	pass = "password",
+}
+
+local etoken = crypt.desencode(secret, cjson.encode(token))
+local b = crypt.base64encode(etoken)
+socket.writeline(fd, crypt.base64encode(etoken))
+
+print(readline())
+
+
+
+
+