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Diffstat (limited to '')
| -rw-r--r-- | MCServer/Plugins/NetworkTest/NetworkTest.lua | 490 |
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----- +MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQCZBWEhJbv48J8a +o4ppo9uOg3oyiSvLsv5fUEIm2/2eJDv97NIFTzmKNJir99sVBT+8GCBN11k+tc8n +7yvtY6Z5UEwrTPE+ccP+wlCyoC5riM5UMeQ4cu3frVuOpDoxSsEGo0vWM8KlrigT +j5xWpkFs+ryM7jNOfu2iDF282piJ71v9cd5JSK6RkIAC8EgdTfqFM0yJ0wUSitta +XnFBPbd6q1ONArOWzdH0AZwYy8G4Jp04eixKZX0GRxucC749CHhEVVPbx+5bjHvf +yMbhGZbgoruVYhd46iz6Y2Dq5F+yQ0ipnuuAgpjSH9CpK8LRYxddOEMpYpHutGA9 +/pMPEPgxAgMBAAECggEAWxQ4m+I54BJYoSJ2YCqHpGvdb/b1emkvvsumlDqc2mP2 +0U0ENOTS+tATj0gXvotBRFOX5r0nAYx1oO9a1hFaJRsGOz+w19ofLqO6JJfzCU6E +gNixXmgJ7fjhZiWZ/XzhJ3JK0VQ9px/h+sKf63NJvfQABmJBZ5dlGe8CXEZARNin +03TnE3RUIEK+jEgwShN2OrGjwK9fjcnXMHwEnKZtCBiYEfD2N+pQmS20gIm13L1t ++ZmObIC24NqllXxl4I821qzBdhmcT7+rGmKR0OT5YKbt6wFA5FPKD9dqlzXzlKck +r2VAh+JlCtFKxcScmWtQOnVDtf5+mcKFbP4ck724AQKBgQDLk+RDhvE5ykin5R+B +dehUQZgHb2pPL7N1DAZShfzwSmyZSOPQDFr7c0CMijn6G0Pw9VX6Vrln0crfTQYz +Hli+zxlmcMAD/WC6VImM1LCUzouNRy37rSCnuPtngZyHdsyzfheGnjORH7HlPjtY +JCTLaekg0ckQvt//HpRV3DCdaQKBgQDAbLmIOTyGfne74HLswWnY/kCOfFt6eO+E +lZ724MWmVPWkxq+9rltC2CDx2i8jjdkm90dsgR5OG2EaLnUWldUpkE0zH0ATrZSV +ezJWD9SsxTm8ksbThD+pJKAVPxDAboejF7kPvpaO2wY+bf0AbO3M24rJ2tccpMv8 +AcfXBICDiQKBgQCSxp81/I3hf7HgszaC7ZLDZMOK4M6CJz847aGFUCtsyAwCfGYb +8zyJvK/WZDam14+lpA0IQAzPCJg/ZVZJ9uA/OivzCum2NrHNxfOiQRrLPxuokaBa +q5k2tA02tGE53fJ6mze1DEzbnkFxqeu5gd2xdzvpOLfBxgzT8KU8PlQiuQKBgGn5 +NvCj/QZhDhYFVaW4G1ArLmiKamL3yYluUV7LiW7CaYp29gBzzsTwfKxVqhJdo5NH +KinCrmr7vy2JGmj22a+LTkjyU/rCZQsyDxXAoDMKZ3LILwH8WocPqa4pzlL8TGzw +urXGE+rXCwhE0Mp0Mz7YRgZHJKMcy06duG5dh11pAoGBALHbsBIDihgHPyp2eKMP +K1f42MdKrTBiIXV80hv2OnvWVRCYvnhrqpeRMzCR1pmVbh+QhnwIMAdWq9PAVTTn +ypusoEsG8Y5fx8xhgjs0D2yMcrmi0L0kCgHIFNoym+4pI+sv6GgxpemfrmaPNcMx +DXi9JpaquFRJLGJ7jMCDgotL +-----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 + + + + |