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-rw-r--r--MCServer/Plugins/NetworkTest/NetworkTest.lua490
1 files changed, 490 insertions, 0 deletions
diff --git a/MCServer/Plugins/NetworkTest/NetworkTest.lua b/MCServer/Plugins/NetworkTest/NetworkTest.lua
new file mode 100644
index 000000000..daab0a4bf
--- /dev/null
+++ b/MCServer/Plugins/NetworkTest/NetworkTest.lua
@@ -0,0 +1,490 @@
+
+-- NetworkTest.lua
+
+-- Implements a few tests for the cNetwork API
+
+
+
+
+
+--- Map of all servers currently open
+-- g_Servers[PortNum] = cServerHandle
+local g_Servers = {}
+
+--- Map of all UDP endpoints currently open
+-- g_UDPEndpoints[PortNum] = cUDPEndpoint
+local g_UDPEndpoints = {}
+
+--- List of fortune messages for the fortune server
+-- A random message is chosen for each incoming connection
+-- The contents are loaded from the splashes.txt file on plugin startup
+local g_Fortunes =
+{
+ "Empty splashes.txt",
+}
+
+-- HTTPS certificate to be used for the SSL server:
+local g_HTTPSCert = [[
+-----BEGIN CERTIFICATE-----
+MIIDfzCCAmegAwIBAgIJAOBHN+qOWodcMA0GCSqGSIb3DQEBBQUAMFYxCzAJBgNV
+BAYTAmN6MQswCQYDVQQIDAJjejEMMAoGA1UEBwwDbG9jMQswCQYDVQQKDAJfWDEL
+MAkGA1UECwwCT1UxEjAQBgNVBAMMCWxvY2FsaG9zdDAeFw0xNTAxMjQwODQ2MzFa
+Fw0yNTAxMjEwODQ2MzFaMFYxCzAJBgNVBAYTAmN6MQswCQYDVQQIDAJjejEMMAoG
+A1UEBwwDbG9jMQswCQYDVQQKDAJfWDELMAkGA1UECwwCT1UxEjAQBgNVBAMMCWxv
+Y2FsaG9zdDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJkFYSElu/jw
+nxqjimmj246DejKJK8uy/l9QQibb/Z4kO/3s0gVPOYo0mKv32xUFP7wYIE3XWT61
+zyfvK+1jpnlQTCtM8T5xw/7CULKgLmuIzlQx5Dhy7d+tW46kOjFKwQajS9YzwqWu
+KBOPnFamQWz6vIzuM05+7aIMXbzamInvW/1x3klIrpGQgALwSB1N+oUzTInTBRKK
+21pecUE9t3qrU40Cs5bN0fQBnBjLwbgmnTh6LEplfQZHG5wLvj0IeERVU9vH7luM
+e9/IxuEZluCiu5ViF3jqLPpjYOrkX7JDSKme64CCmNIf0KkrwtFjF104Qylike60
+YD3+kw8Q+DECAwEAAaNQME4wHQYDVR0OBBYEFHHIDTc7mrLDXftjQ5ejU9Udfdyo
+MB8GA1UdIwQYMBaAFHHIDTc7mrLDXftjQ5ejU9UdfdyoMAwGA1UdEwQFMAMBAf8w
+DQYJKoZIhvcNAQEFBQADggEBAHxCJxZPmH9tvx8GKiDV3rgGY++sMItzrW5Uhf0/
+bl3DPbVz51CYF8nXiWvSJJzxhH61hKpZiqvRlpyMuovV415dYQ+Xc2d2IrTX6e+d
+Z4Pmwfb4yaX+kYqIygjXMoyNxOJyhTnCbJzycV3v5tvncBWN9Wqez6ZonWDdFdAm
+J+Moty+atc4afT02sUg1xz+CDr1uMbt62tHwKYCdxXCwT//bOs6W21+mQJ5bEAyA
+YrHQPgX76uo8ed8rPf6y8Qj//lzq/+33EIWqf9pnbklQgIPXJU07h+5L+Y63RF4A
+ComLkzas+qnQLcEN28Dg8QElXop6hfiD0xq3K0ac2bDnjoU=
+-----END CERTIFICATE-----
+]]
+
+local g_HTTPSPrivKey = [[
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
+]]
+
+--- Map of all services that can be run as servers
+-- g_Services[ServiceName] = function() -> accept-callbacks
+local g_Services =
+{
+ -- Echo service: each connection echoes back what has been sent to it
+ echo = function (a_Port)
+ return
+ {
+ -- A new connection has come, give it new link-callbacks:
+ OnIncomingConnection = function (a_RemoteIP, a_RemotePort)
+ return
+ {
+ OnError = function (a_Link, a_ErrorCode, a_ErrorMsg)
+ LOG("EchoServer(" .. a_Port .. ": Connection to " .. a_Link:GetRemoteIP() .. ":" .. a_Link:GetRemotePort() .. " failed: " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ end,
+
+ OnReceivedData = function (a_Link, a_Data)
+ -- Echo the received data back to the link:
+ a_Link:Send(a_Data)
+ end,
+
+ OnRemoteClosed = function (a_Link)
+ end
+ } -- Link callbacks
+ end, -- OnIncomingConnection()
+
+ -- Send a welcome message to newly accepted connections:
+ OnAccepted = function (a_Link)
+ a_Link:Send("Hello, " .. a_Link:GetRemoteIP() .. ", welcome to the echo server @ MCServer-Lua\r\n")
+ end, -- OnAccepted()
+
+ -- There was an error listening on the port:
+ OnError = function (a_ErrorCode, a_ErrorMsg)
+ LOGINFO("EchoServer(" .. a_Port .. ": Cannot listen: " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ end, -- OnError()
+ } -- Listen callbacks
+ end, -- echo
+
+ -- Fortune service: each incoming connection gets a welcome message plus a random fortune text; all communication is ignored afterwards
+ fortune = function (a_Port)
+ return
+ {
+ -- A new connection has come, give it new link-callbacks:
+ OnIncomingConnection = function (a_RemoteIP, a_RemotePort)
+ return
+ {
+ OnError = function (a_Link, a_ErrorCode, a_ErrorMsg)
+ LOG("FortuneServer(" .. a_Port .. "): Connection to " .. a_Link:GetRemoteIP() .. ":" .. a_Link:GetRemotePort() .. " failed: " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ end,
+
+ OnReceivedData = function (a_Link, a_Data)
+ -- Ignore any received data
+ end,
+
+ OnRemoteClosed = function (a_Link)
+ end
+ } -- Link callbacks
+ end, -- OnIncomingConnection()
+
+ -- Send a welcome message and the fortune to newly accepted connections:
+ OnAccepted = function (a_Link)
+ a_Link:Send("Hello, " .. a_Link:GetRemoteIP() .. ", welcome to the fortune server @ MCServer-Lua\r\n\r\nYour fortune:\r\n")
+ a_Link:Send(g_Fortunes[math.random(#g_Fortunes)] .. "\r\n")
+ end, -- OnAccepted()
+
+ -- There was an error listening on the port:
+ OnError = function (a_ErrorCode, a_ErrorMsg)
+ LOGINFO("FortuneServer(" .. a_Port .. "): Cannot listen: " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ end, -- OnError()
+ } -- Listen callbacks
+ end, -- fortune
+
+ -- HTTPS time - serves current time for each https request received
+ httpstime = function (a_Port)
+ return
+ {
+ -- A new connection has come, give it new link-callbacks:
+ OnIncomingConnection = function (a_RemoteIP, a_RemotePort)
+ local IncomingData = "" -- accumulator for the incoming data, until processed by the http
+ return
+ {
+ OnError = function (a_Link, a_ErrorCode, a_ErrorMsg)
+ LOG("https-time server(" .. a_Port .. "): Connection to " .. a_Link:GetRemoteIP() .. ":" .. a_Link:GetRemotePort() .. " failed: " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ end,
+
+ OnReceivedData = function (a_Link, a_Data)
+ IncomingData = IncomingData .. a_Data
+ if (IncomingData:find("\r\n\r\n")) then
+ -- We have received the entire request headers, just send the response and shutdown the link:
+ local Content = os.date()
+ a_Link:Send("HTTP/1.0 200 OK\r\nContent-type: text/plain\r\nContent-length: " .. #Content .. "\r\n\r\n" .. Content)
+ a_Link:Shutdown()
+ end
+ end,
+
+ OnRemoteClosed = function (a_Link)
+ LOG("httpstime: link closed by remote")
+ end
+ } -- Link callbacks
+ end, -- OnIncomingConnection()
+
+ -- Start TLS on the new link:
+ OnAccepted = function (a_Link)
+ local res, msg = a_Link:StartTLSServer(g_HTTPSCert, g_HTTPSPrivKey, "")
+ if not(res) then
+ LOG("https-time server(" .. a_Port .. "): Cannot start TLS server: " .. msg)
+ a_Link:Close()
+ end
+ end, -- OnAccepted()
+
+ -- There was an error listening on the port:
+ OnError = function (a_ErrorCode, a_ErrorMsg)
+ LOGINFO("https-time server(" .. a_Port .. "): Cannot listen: " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ end, -- OnError()
+ } -- Listen callbacks
+ end, -- httpstime
+
+ -- TODO: Other services (daytime, ...)
+}
+
+
+
+
+
+function Initialize(a_Plugin)
+ -- Load the splashes.txt file into g_Fortunes, overwriting current content:
+ local idx = 1
+ for line in io.lines(a_Plugin:GetLocalFolder() .. "/splashes.txt") do
+ g_Fortunes[idx] = line
+ idx = idx + 1
+ end
+
+ -- Use the InfoReg shared library to process the Info.lua file:
+ dofile(cPluginManager:GetPluginsPath() .. "/InfoReg.lua")
+ RegisterPluginInfoCommands()
+ RegisterPluginInfoConsoleCommands()
+
+ -- Seed the random generator:
+ math.randomseed(os.time())
+
+ return true
+end
+
+
+
+
+
+function HandleConsoleNetClient(a_Split)
+ -- Get the address to connect to:
+ local Host = a_Split[3] or "google.com"
+ local Port = a_Split[4] or 80
+
+ -- Create the callbacks "personalised" for the address:
+ local Callbacks =
+ {
+ OnConnected = function (a_Link)
+ LOG("Connected to " .. Host .. ":" .. Port .. ".")
+ LOG("Connection stats: Remote address: " .. a_Link:GetRemoteIP() .. ":" .. a_Link:GetRemotePort() .. ", Local address: " .. a_Link:GetLocalIP() .. ":" .. a_Link:GetLocalPort())
+ LOG("Sending HTTP request for front page.")
+ a_Link:Send("GET / HTTP/1.0\r\nHost: " .. Host .. "\r\n\r\n")
+ end,
+
+ OnError = function (a_Link, a_ErrorCode, a_ErrorMsg)
+ LOG("Connection to " .. Host .. ":" .. Port .. " failed: " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ end,
+
+ OnReceivedData = function (a_Link, a_Data)
+ LOG("Received data from " .. Host .. ":" .. Port .. ":\r\n" .. a_Data)
+ end,
+
+ OnRemoteClosed = function (a_Link)
+ LOG("Connection to " .. Host .. ":" .. Port .. " was closed by the remote peer.")
+ end
+ }
+
+ -- Queue a connect request:
+ local res = cNetwork:Connect(Host, Port, Callbacks)
+ if not(res) then
+ LOGWARNING("cNetwork:Connect call failed immediately")
+ return true
+ end
+
+ return true, "Client connection request queued."
+end
+
+
+
+
+
+function HandleConsoleNetClose(a_Split)
+ -- Get the port to close:
+ local Port = tonumber(a_Split[3] or 1024)
+ if not(Port) then
+ return true, "Bad port number: \"" .. a_Split[3] .. "\"."
+ end
+
+ -- Close the server, if there is one:
+ if not(g_Servers[Port]) then
+ return true, "There is no server currently listening on port " .. Port .. "."
+ end
+ g_Servers[Port]:Close()
+ g_Servers[Port] = nil
+ return true, "Port " .. Port .. " closed."
+end
+
+
+
+
+
+function HandleConsoleNetLookup(a_Split)
+ -- Get the name to look up:
+ local Addr = a_Split[3] or "google.com"
+
+ -- Create the callbacks "personalised" for the host:
+ local Callbacks =
+ {
+ OnNameResolved = function (a_Hostname, a_IP)
+ LOG(a_Hostname .. " resolves to " .. a_IP)
+ end,
+
+ OnError = function (a_Query, a_ErrorCode, a_ErrorMsg)
+ LOG("Failed to retrieve information for " .. a_Query .. ": " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ assert(a_Query == Addr)
+ end,
+
+ OnFinished = function (a_Query)
+ LOG("Resolving " .. a_Query .. " has finished.")
+ assert(a_Query == Addr)
+ end,
+ }
+
+ -- Queue both name and IP DNS queries;
+ -- we don't distinguish between an IP and a hostname in this command so we don't know which one to use:
+ local res = cNetwork:HostnameToIP(Addr, Callbacks)
+ if not(res) then
+ LOGWARNING("cNetwork:HostnameToIP call failed immediately")
+ return true
+ end
+ res = cNetwork:IPToHostname(Addr, Callbacks)
+ if not(res) then
+ LOGWARNING("cNetwork:IPToHostname call failed immediately")
+ return true
+ end
+
+ return true, "DNS query has been queued."
+end
+
+
+
+
+
+function HandleConsoleNetListen(a_Split)
+ -- Get the params:
+ local Port = tonumber(a_Split[3] or 1024)
+ if not(Port) then
+ return true, "Invalid port: \"" .. a_Split[3] .. "\"."
+ end
+ local Service = string.lower(a_Split[4] or "echo")
+
+ -- Create the callbacks specific for the service:
+ if (g_Services[Service] == nil) then
+ return true, "No such service: " .. Service
+ end
+ local Callbacks = g_Services[Service](Port)
+
+ -- Start the server:
+ local srv = cNetwork:Listen(Port, Callbacks)
+ if not(srv:IsListening()) then
+ -- The error message has already been printed in the Callbacks.OnError()
+ return true
+ end
+ g_Servers[Port] = srv
+ return true, Service .. " server started on port " .. Port
+end
+
+
+
+
+
+function HandleConsoleNetUdpClose(a_Split)
+ -- Get the port to close:
+ local Port = tonumber(a_Split[4] or 1024)
+ if not(Port) then
+ return true, "Bad port number: \"" .. a_Split[4] .. "\"."
+ end
+
+ -- Close the server, if there is one:
+ if not(g_UDPEndpoints[Port]) then
+ return true, "There is no UDP endpoint currently listening on port " .. Port .. "."
+ end
+ g_UDPEndpoints[Port]:Close()
+ g_UDPEndpoints[Port] = nil
+ return true, "UDP Port " .. Port .. " closed."
+end
+
+
+
+
+
+function HandleConsoleNetUdpListen(a_Split)
+ -- Get the params:
+ local Port = tonumber(a_Split[4] or 1024)
+ if not(Port) then
+ return true, "Invalid port: \"" .. a_Split[4] .. "\"."
+ end
+
+ local Callbacks =
+ {
+ OnReceivedData = function (a_Endpoint, a_Data, a_RemotePeer, a_RemotePort)
+ LOG("Incoming UDP datagram from " .. a_RemotePeer .. " port " .. a_RemotePort .. ":\r\n" .. a_Data)
+ end,
+
+ OnError = function (a_Endpoint, a_ErrorCode, a_ErrorMsg)
+ LOG("Error in UDP endpoint: " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ end,
+ }
+
+ g_UDPEndpoints[Port] = cNetwork:CreateUDPEndpoint(Port, Callbacks)
+ return true, "UDP listener on port " .. Port .. " started."
+end
+
+
+
+
+
+function HandleConsoleNetUdpSend(a_Split)
+ -- Get the params:
+ local Host = a_Split[4] or "localhost"
+ local Port = tonumber(a_Split[5] or 1024)
+ if not(Port) then
+ return true, "Invalid port: \"" .. a_Split[5] .. "\"."
+ end
+ local Message
+ if (a_Split[6]) then
+ Message = table.concat(a_Split, " ", 6)
+ else
+ Message = "hello"
+ end
+
+ -- Define minimum callbacks for the UDP endpoint:
+ local Callbacks =
+ {
+ OnError = function (a_Endpoint, a_ErrorCode, a_ErrorMsg)
+ LOG("Error in UDP datagram sending: " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ end,
+
+ OnReceivedData = function ()
+ -- ignore
+ end,
+ }
+
+ -- Send the data:
+ local Endpoint = cNetwork:CreateUDPEndpoint(0, Callbacks)
+ Endpoint:EnableBroadcasts()
+ if not(Endpoint:Send(Message, Host, Port)) then
+ Endpoint:Close()
+ return true, "Sending UDP datagram failed"
+ end
+ Endpoint:Close()
+ return true, "UDP datagram sent"
+end
+
+
+
+
+
+function HandleConsoleNetWasc(a_Split)
+ local Callbacks =
+ {
+ OnConnected = function (a_Link)
+ LOG("Connected to webadmin, starting TLS...")
+ local res, msg = a_Link:StartTLSClient("", "", "")
+ if not(res) then
+ LOG("Failed to start TLS client: " .. msg)
+ return
+ end
+ -- We need to send a keep-alive due to #1737
+ a_Link:Send("GET / HTTP/1.0\r\nHost: localhost\r\nConnection: keep-alive\r\n\r\n")
+ end,
+
+ OnError = function (a_Link, a_ErrorCode, a_ErrorMsg)
+ LOG("Connection to webadmin failed: " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+ end,
+
+ OnReceivedData = function (a_Link, a_Data)
+ LOG("Received data from webadmin:\r\n" .. a_Data)
+
+ -- Close the link once all the data is received:
+ if (a_Data == "0\r\n\r\n") then -- Poor man's end-of-data detection; works on localhost
+ -- TODO: The Close() method is not yet exported to Lua
+ -- a_Link:Close()
+ end
+ end,
+
+ OnRemoteClosed = function (a_Link)
+ LOG("Connection to webadmin was closed")
+ end,
+ }
+
+ if not(cNetwork:Connect("localhost", "8080", Callbacks)) then
+ LOG("Canot connect to webadmin")
+ end
+
+ return true
+end
+
+
+
+