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Merged APF and MPS servers, improved APF client.

This commit is contained in:
Ylian Saint-Hilaire 2020-10-08 19:47:24 -07:00
parent 3ff007c8d8
commit bc4e07b5fe
8 changed files with 495 additions and 1242 deletions
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154
agents/modules_meshcore/apfclient.js
View File

@ -11,55 +11,25 @@ function CreateAPFClient(parent, args) {
obj.parent = parent; obj.parent = parent;
obj.args = args; obj.args = args;
obj.http = require('http'); obj.http = require('http');
//obj.common = require('common');
obj.net = require('net'); obj.net = require('net');
obj.forwardClient = null; obj.forwardClient = null;
obj.downlinks = {}; obj.downlinks = {};
obj.pfwd_idx = 0; obj.pfwd_idx = 0;
// keep alive timer obj.timer = null; // Keep alive timer
obj.timer = null;
// some function copied from common.js // Function copied from common.js
function ReadInt(v, p) { function ReadInt(v, p) { return (v.charCodeAt(p) * 0x1000000) + (v.charCodeAt(p + 1) << 16) + (v.charCodeAt(p + 2) << 8) + v.charCodeAt(p + 3); }; // We use "*0x1000000" instead of "<<24" because the shift converts the number to signed int32.
return (v.charCodeAt(p) * 0x1000000) + (v.charCodeAt(p + 1) << 16) + (v.charCodeAt(p + 2) << 8) + v.charCodeAt(p + 3); function IntToStr(v) { return String.fromCharCode((v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF); };
}; // We use "*0x1000000" instead of "<<24" because the shift converts the number to signed int32. function hex2rstr(d) { var r = '', m = ('' + d).match(/../g), t; while (t = m.shift()) { r += String.fromCharCode('0x' + t); } return r; };
function char2hex(i) { return (i + 0x100).toString(16).substr(-2).toUpperCase(); }; // Convert decimal to hex
function rstr2hex(input) { var r = '', i; for (i = 0; i < input.length; i++) { r += char2hex(input.charCodeAt(i)); } return r; }; // Convert a raw string to a hex string
function d2h(d) { return (d / 256 + 1 / 512).toString(16).substring(2, 4); }
function buf2hex(input) { var r = '', i; for (i = 0; i < input.length; i++) { r += d2h(input[i]); } return r; };
function Debug(str) { if (obj.parent.debug) { console.log(str); } }
function guidToStr(g) { return g.substring(6, 8) + g.substring(4, 6) + g.substring(2, 4) + g.substring(0, 2) + "-" + g.substring(10, 12) + g.substring(8, 10) + "-" + g.substring(14, 16) + g.substring(12, 14) + "-" + g.substring(16, 20) + "-" + g.substring(20); }
function strToGuid(s) { s = s.replace(/-/g, ''); var ret = s.substring(6, 8) + s.substring(4, 6) + s.substring(2, 4) + s.substring(0, 2) + s.substring(10, 12) + s.substring(8, 10) + s.substring(14, 16) + s.substring(12, 14) + s.substring(16, 20) + s.substring(20); return ret; }
function binzerostring(len) { var res = ''; for (var l = 0; l < len; l++) { res += String.fromCharCode(0 & 0xFF); } return res; }
function IntToStr(v) {
return String.fromCharCode((v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF);
};
function hex2rstr(d) {
var r = '', m = ('' + d).match(/../g), t;
while (t = m.shift()) { r += String.fromCharCode('0x' + t); }
return r;
};
// Convert decimal to hex
function char2hex(i) { return (i + 0x100).toString(16).substr(-2).toUpperCase(); };
// Convert a raw string to a hex string
function rstr2hex(input) {
var r = '', i;
for (i = 0; i < input.length; i++) { r += char2hex(input.charCodeAt(i)); }
return r;
};
function d2h(d) {
return (d / 256 + 1 / 512).toString(16).substring(2, 4);
}
function buf2hex(input) {
var r = '', i;
for (i = 0; i < input.length; i++) { r += d2h(input[i]); }
return r;
};
function Debug(str) {
if (obj.parent.debug) {
console.log(str);
}
}
// CIRA state // CIRA state
var CIRASTATE = { var CIRASTATE = {
INITIAL: 0, INITIAL: 0,
@ -85,9 +55,10 @@ function CreateAPFClient(parent, args) {
obj.RedirectStartKvm = String.fromCharCode(0x10, 0x01, 0x00, 0x00, 0x4b, 0x56, 0x4d, 0x52); obj.RedirectStartKvm = String.fromCharCode(0x10, 0x01, 0x00, 0x00, 0x4b, 0x56, 0x4d, 0x52);
obj.RedirectStartIder = String.fromCharCode(0x10, 0x00, 0x00, 0x00, 0x49, 0x44, 0x45, 0x52); obj.RedirectStartIder = String.fromCharCode(0x10, 0x00, 0x00, 0x00, 0x49, 0x44, 0x45, 0x52);
// Intel AMT forwarded port list for non-TLS mode
//var pfwd_ports = [16992, 623, 16994, 5900];
var pfwd_ports = [ 16992 ];
// AMT forwarded port list for non-TLS mode
var pfwd_ports = [16992, 623, 16994, 5900];
// protocol definitions // protocol definitions
var APFProtocol = { var APFProtocol = {
UNKNOWN: 0, UNKNOWN: 0,
@ -193,24 +164,6 @@ function CreateAPFClient(parent, args) {
SendServiceRequest(obj.forwardClient.ws, 'auth@amt.intel.com'); SendServiceRequest(obj.forwardClient.ws, 'auth@amt.intel.com');
} }
function guidToStr(g) { return g.substring(6, 8) + g.substring(4, 6) + g.substring(2, 4) + g.substring(0, 2) + "-" + g.substring(10, 12) + g.substring(8, 10) + "-" + g.substring(14, 16) + g.substring(12, 14) + "-" + g.substring(16, 20) + "-" + g.substring(20); }
function strToGuid(s) {
s = s.replace(/-/g, '');
var ret = s.substring(6, 8) + s.substring(4, 6) + s.substring(2, 4) + s.substring(0, 2);
ret += s.substring(10, 12) + s.substring(8, 10) + s.substring(14, 16) + s.substring(12, 14) + s.substring(16, 20) + s.substring(20);
return ret;
}
function binzerostring(len) {
var res='';
for (var l=0; l< len ; l++) {
res+=String.fromCharCode(0 & 0xFF);
}
return res;
}
function SendProtocolVersion(socket, uuid) { function SendProtocolVersion(socket, uuid) {
var buuid = strToGuid(uuid); var buuid = strToGuid(uuid);
var data = String.fromCharCode(APFProtocol.PROTOCOLVERSION) + '' + IntToStr(1) + IntToStr(0) + IntToStr(0) + hex2rstr(buuid) + binzerostring(64); var data = String.fromCharCode(APFProtocol.PROTOCOLVERSION) + '' + IntToStr(1) + IntToStr(0) + IntToStr(0) + hex2rstr(buuid) + binzerostring(64);
@ -267,7 +220,8 @@ function CreateAPFClient(parent, args) {
var len = socket.tag.accumulator.length; var len = socket.tag.accumulator.length;
var data = socket.tag.accumulator; var data = socket.tag.accumulator;
if (len == 0) { return 0; } if (len == 0) { return 0; }
// respond to MPS according to obj.cirastate
// Respond to MPS according to obj.cirastate
switch (cmd) { switch (cmd) {
case APFProtocol.SERVICE_ACCEPT: { case APFProtocol.SERVICE_ACCEPT: {
var slen = ReadInt(data, 1); var slen = ReadInt(data, 1);
@ -325,39 +279,50 @@ function CreateAPFClient(parent, args) {
} }
// Channel management // Channel management
case APFProtocol.CHANNEL_OPEN: { case APFProtocol.CHANNEL_OPEN: {
//parse CHANNEL OPEN request // Parse CHANNEL OPEN request
var p_res = parseChannelOpen(data); var p_res = parseChannelOpen(data);
Debug("APF: CHANNEL_OPEN request: " + JSON.stringify(p_res)); Debug("APF: CHANNEL_OPEN request: " + JSON.stringify(p_res));
// Check if target port is in pfwd_ports // Check if target port is in pfwd_ports
if (pfwd_ports.indexOf(p_res.target_port) >= 0) { if (pfwd_ports.indexOf(p_res.target_port) >= 0) {
// connect socket to that port // Connect socket to that port
obj.downlinks[p_res.sender_chan] = obj.net.createConnection({ host: obj.args.clientaddress, port: p_res.target_port }, function () { var chan = obj.net.createConnection({ host: obj.args.clientaddress, port: p_res.target_port }, function () {
//obj.downlinks[p_res.sender_chan].setEncoding('binary');//assume everything is binary, not interpreting //require('MeshAgent').SendCommand({ action: 'msg', type: 'console', value: "CHANNEL_OPEN-open" });
// obj.downlinks[p_res.sender_chan].setEncoding('binary');//assume everything is binary, not interpreting
SendChannelOpenConfirm(socket.ws, p_res); SendChannelOpenConfirm(socket.ws, p_res);
}); });
obj.downlinks[p_res.sender_chan].on('data', function (ddata) { // Setup flow control
//Relay data to fordwardclient chan.maxInWindow = p_res.window_size; // Oddly, we are using the same window size as the other side.
chan.curInWindow = 0;
chan.on('data', function (ddata) {
// Relay data to fordwardclient
// TODO: Implement flow control
SendChannelData(socket.ws, p_res.sender_chan, ddata.length, ddata); SendChannelData(socket.ws, p_res.sender_chan, ddata.length, ddata);
}); });
obj.downlinks[p_res.sender_chan].on('error', function (e) { chan.on('error', function (e) {
Debug("Downlink connection error: " + e); Debug("Downlink connection error: " + e);
}); });
obj.downlinks[p_res.sender_chan].on('end', function () { chan.on('end', function () {
if (obj.downlinks[p_res.sender_chan]) { var chan = obj.downlinks[p_res.sender_chan];
if (chan != null) {
try { try {
Debug("Socket ends."); Debug("Socket ends.");
SendChannelClose(socket.ws, p_res.sender_chan); SendChannelClose(socket.ws, p_res.sender_chan);
// add some delay before removing... otherwise race condition chan.xclosed = 1;
setTimeout(function () { delete obj.downlinks[p_res.sender_chan];},100); // Add some delay before removing... otherwise race condition
setTimeout(function () { delete obj.downlinks[p_res.sender_chan]; }, 100);
} catch (e) { } catch (e) {
Debug("Downlink connection exception: " + e); Debug("Downlink connection exception: " + e);
} }
} }
}); });
obj.downlinks[p_res.sender_chan] = chan;
} else { } else {
// Not a supported port, fail the connection
SendChannelOpenFailure(socket.ws, p_res); SendChannelOpenFailure(socket.ws, p_res);
} }
return p_res.len; return p_res.len;
@ -369,11 +334,12 @@ function CreateAPFClient(parent, args) {
case APFProtocol.CHANNEL_CLOSE: { case APFProtocol.CHANNEL_CLOSE: {
var rcpt_chan = ReadInt(data, 1); var rcpt_chan = ReadInt(data, 1);
Debug("APF: CHANNEL_CLOSE: " + rcpt_chan); Debug("APF: CHANNEL_CLOSE: " + rcpt_chan);
var chan = obj.downlinks[rcpt_chan];
if ((chan != null) && (chan.xclosed !== 1)) {
SendChannelClose(socket.ws, rcpt_chan); SendChannelClose(socket.ws, rcpt_chan);
try { try { obj.downlinks[rcpt_chan].end(); } catch (e) { }
obj.downlinks[rcpt_chan].end();
delete obj.downlinks[rcpt_chan]; delete obj.downlinks[rcpt_chan];
} catch (e) { } }
return 5; return 5;
} }
case APFProtocol.CHANNEL_DATA: { case APFProtocol.CHANNEL_DATA: {
@ -381,11 +347,14 @@ function CreateAPFClient(parent, args) {
var rcpt_chan = ReadInt(data, 1); var rcpt_chan = ReadInt(data, 1);
var chan_data_len = ReadInt(data, 5); var chan_data_len = ReadInt(data, 5);
var chan_data = data.substring(9, 9 + chan_data_len); var chan_data = data.substring(9, 9 + chan_data_len);
if (obj.downlinks[rcpt_chan]) { var chan = obj.downlinks[rcpt_chan];
if (chan != null) {
chan.curInWindow += chan_data_len;
try { try {
obj.downlinks[rcpt_chan].write(chan_data, 'binary', function () { chan.write(chan_data, 'binary', function () {
Debug("Write completed."); Debug("Write completed.");
SendChannelWindowAdjust(socket.ws, rcpt_chan, chan_data_len);//I have full window capacity now // If the incoming window is over half used, send an adjust.
if (this.curInWindow > (this.maxInWindow / 2)) { SendChannelWindowAdjust(socket.ws, rcpt_chan, this.curInWindow); this.curInWindow = 0; }
}); });
} catch (e) { } catch (e) {
Debug("Cannot forward data to downlink socket."); Debug("Cannot forward data to downlink socket.");
@ -406,17 +375,7 @@ function CreateAPFClient(parent, args) {
} }
function parseChannelOpen(data) { function parseChannelOpen(data) {
var result = { var result = { cmd: APFProtocol.CHANNEL_OPEN };
len: 0, //to be filled later
cmd: APFProtocol.CHANNEL_OPEN,
chan_type: "", //to be filled later
sender_chan: 0, //to be filled later
window_size: 0, //to be filled later
target_address: "", //to be filled later
target_port: 0, //to be filled later
origin_address: "", //to be filled later
origin_port: 0, //to be filled later
};
var chan_type_slen = ReadInt(data, 1); var chan_type_slen = ReadInt(data, 1);
result.chan_type = data.substring(5, 5 + chan_type_slen); result.chan_type = data.substring(5, 5 + chan_type_slen);
result.sender_chan = ReadInt(data, 5 + chan_type_slen); result.sender_chan = ReadInt(data, 5 + chan_type_slen);
@ -430,12 +389,14 @@ function CreateAPFClient(parent, args) {
result.len = 33 + chan_type_slen + c_len + o_len; result.len = 33 + chan_type_slen + c_len + o_len;
return result; return result;
} }
function SendChannelOpenFailure(socket, chan_data) { function SendChannelOpenFailure(socket, chan_data) {
var data = String.fromCharCode(APFProtocol.CHANNEL_OPEN_FAILURE) + IntToStr(chan_data.sender_chan) var data = String.fromCharCode(APFProtocol.CHANNEL_OPEN_FAILURE) + IntToStr(chan_data.sender_chan)
+ IntToStr(2) + IntToStr(0) + IntToStr(0); + IntToStr(2) + IntToStr(0) + IntToStr(0);
socket.write(data); socket.write(data);
Debug("APF: Send ChannelOpenFailure"); Debug("APF: Send ChannelOpenFailure");
} }
function SendChannelOpenConfirm(socket, chan_data) { function SendChannelOpenConfirm(socket, chan_data) {
var data = String.fromCharCode(APFProtocol.CHANNEL_OPEN_CONFIRMATION) + IntToStr(chan_data.sender_chan) var data = String.fromCharCode(APFProtocol.CHANNEL_OPEN_CONFIRMATION) + IntToStr(chan_data.sender_chan)
+ IntToStr(chan_data.sender_chan) + IntToStr(chan_data.window_size) + IntToStr(0xFFFFFFFF); + IntToStr(chan_data.sender_chan) + IntToStr(chan_data.window_size) + IntToStr(0xFFFFFFFF);
@ -476,7 +437,6 @@ function CreateAPFClient(parent, args) {
//obj.forwardClient = new obj.ws(obj.args.mpsurl, obj.tlsoptions); //obj.forwardClient = new obj.ws(obj.args.mpsurl, obj.tlsoptions);
//obj.forwardClient.on("open", obj.onSecureConnect); //obj.forwardClient.on("open", obj.onSecureConnect);
var wsoptions = obj.http.parseUri(obj.args.mpsurl); var wsoptions = obj.http.parseUri(obj.args.mpsurl);
wsoptions.rejectUnauthorized = 0; wsoptions.rejectUnauthorized = 0;
obj.forwardClient = obj.http.request(wsoptions); obj.forwardClient = obj.http.request(wsoptions);
@ -484,13 +444,7 @@ function CreateAPFClient(parent, args) {
obj.forwardClient.end(); // end request, trigger completion of HTTP request obj.forwardClient.end(); // end request, trigger completion of HTTP request
} }
obj.disconnect = function () { obj.disconnect = function () { try { obj.forwardClient.ws.end(); } catch (e) { Debug(e); } }
try {
obj.forwardClient.ws.end();
} catch (e) {
Debug(e);
}
}
return obj; return obj;
} }

4
amtmanager.js
View File

@ -44,7 +44,7 @@ module.exports.CreateAmtManager = function(parent) {
// React to nodes connecting and disconnecting // React to nodes connecting and disconnecting
if (event.action == 'nodeconnect') { if (event.action == 'nodeconnect') {
if ((event.conn & 14) != 0) { // connectType: Bitmask, 1 = MeshAgent, 2 = Intel AMT CIRA, 4 = Intel AMT local, 8 = Intel AMT Relay, 16 = MQTT if ((event.conn & 14) != 0) { // connectType: Bitmask, 1 = MeshAgent, 2 = Intel AMT CIRA, 4 = Intel AMT local, 8 = Intel AMT Relay, 16 = MQTT
//if ((event.conn & 2) == 0) return // Debug: Only look at CIRA connections ***************************** //if ((event.conn & 2) == 0) return // Debug: Only look at CIRA connections
// We have an OOB connection to Intel AMT, update our information // We have an OOB connection to Intel AMT, update our information
var dev = obj.amtDevices[event.nodeid]; var dev = obj.amtDevices[event.nodeid];
@ -266,7 +266,7 @@ module.exports.CreateAmtManager = function(parent) {
} }
function attemptLocalConnectResponse(stack, name, responses, status) { function attemptLocalConnectResponse(stack, name, responses, status) {
//console.log('attemptLocalConnectResponse', status); //console.log('attemptLocalConnectResponse', status, stack.dev.name);
// Release active connection to this host. // Release active connection to this host.
delete obj.activeLocalConnections[stack.wsman.comm.host]; delete obj.activeLocalConnections[stack.wsman.comm.host];

734
apfserver.js
View File

@ -1,734 +0,0 @@
/**
* @description MeshCentral Intel(R) AMT APF over websocket server
* @author Ylian Saint-Hilaire/Joko Sastriawan
* @copyright Intel Corporation 2018-2020
* @license Apache-2.0
* @version v0.0.1
*/
/*jslint node: true */
/*jshint node: true */
/*jshint strict:false */
/*jshint -W097 */
/*jshint esversion: 6 */
"use strict";
// Construct a Intel AMT APF server object
module.exports.CreateApfServer = function (parent, db, args) {
var obj = {};
obj.parent = parent;
obj.db = db;
obj.args = args;
obj.apfConnections = {};
const constants = (require('crypto').constants ? require('crypto').constants : require('constants')); // require('constants') is deprecated in Node 11.10, use require('crypto').constants instead.
const common = require("./common.js");
const net = require("net");
const MAX_IDLE = 90000; // 90 seconds max idle time, higher than the typical KEEP-ALIVE periode of 60 seconds
const APFProtocol = {
UNKNOWN: 0,
DISCONNECT: 1,
SERVICE_REQUEST: 5,
SERVICE_ACCEPT: 6,
USERAUTH_REQUEST: 50,
USERAUTH_FAILURE: 51,
USERAUTH_SUCCESS: 52,
GLOBAL_REQUEST: 80,
REQUEST_SUCCESS: 81,
REQUEST_FAILURE: 82,
CHANNEL_OPEN: 90,
CHANNEL_OPEN_CONFIRMATION: 91,
CHANNEL_OPEN_FAILURE: 92,
CHANNEL_WINDOW_ADJUST: 93,
CHANNEL_DATA: 94,
CHANNEL_CLOSE: 97,
PROTOCOLVERSION: 192,
KEEPALIVE_REQUEST: 208,
KEEPALIVE_REPLY: 209,
KEEPALIVE_OPTIONS_REQUEST: 210,
KEEPALIVE_OPTIONS_REPLY: 211
};
/*
const APFDisconnectCode = {
HOST_NOT_ALLOWED_TO_CONNECT: 1,
PROTOCOL_ERROR: 2,
KEY_EXCHANGE_FAILED: 3,
RESERVED: 4,
MAC_ERROR: 5,
COMPRESSION_ERROR: 6,
SERVICE_NOT_AVAILABLE: 7,
PROTOCOL_VERSION_NOT_SUPPORTED: 8,
HOST_KEY_NOT_VERIFIABLE: 9,
CONNECTION_LOST: 10,
BY_APPLICATION: 11,
TOO_MANY_CONNECTIONS: 12,
AUTH_CANCELLED_BY_USER: 13,
NO_MORE_AUTH_METHODS_AVAILABLE: 14,
INVALID_CREDENTIALS: 15,
CONNECTION_TIMED_OUT: 16,
BY_POLICY: 17,
TEMPORARILY_UNAVAILABLE: 18
};
const APFChannelOpenFailCodes = {
ADMINISTRATIVELY_PROHIBITED: 1,
CONNECT_FAILED: 2,
UNKNOWN_CHANNEL_TYPE: 3,
RESOURCE_SHORTAGE: 4,
};
*/
const APFChannelOpenFailureReasonCode = {
AdministrativelyProhibited: 1,
ConnectFailed: 2,
UnknownChannelType: 3,
ResourceShortage: 4,
};
// Stat counters
var connectionCount = 0;
var userAuthRequestCount = 0;
var incorrectPasswordCount = 0;
var meshNotFoundCount = 0;
var unknownNodeCount = 0;
var unknownMeshIdCount = 0;
var addedDeviceCount = 0;
var ciraTimeoutCount = 0;
var protocolVersionCount = 0;
var badUserNameLengthCount = 0;
var channelOpenCount = 0;
var channelOpenConfirmCount = 0;
var channelOpenFailCount = 0;
var channelCloseCount = 0;
var disconnectCommandCount = 0;
var socketClosedCount = 0;
var socketErrorCount = 0;
var maxDomainDevicesReached = 0;
// Return statistics about this APF server
obj.getStats = function () {
return {
apfConnections: Object.keys(obj.apfConnections).length,
connectionCount: connectionCount,
userAuthRequestCount: userAuthRequestCount,
incorrectPasswordCount: incorrectPasswordCount,
meshNotFoundCount: meshNotFoundCount,
unknownNodeCount: unknownNodeCount,
unknownMeshIdCount: unknownMeshIdCount,
addedDeviceCount: addedDeviceCount,
apfTimeoutCount: ciraTimeoutCount,
protocolVersionCount: protocolVersionCount,
badUserNameLengthCount: badUserNameLengthCount,
channelOpenCount: channelOpenCount,
channelOpenConfirmCount: channelOpenConfirmCount,
channelOpenFailCount: channelOpenFailCount,
channelCloseCount: channelCloseCount,
disconnectCommandCount: disconnectCommandCount,
socketClosedCount: socketClosedCount,
socketErrorCount: socketErrorCount,
maxDomainDevicesReached : maxDomainDevicesReached
};
}
obj.onConnection = function(socket) {
connectionCount++;
// treat APS over WS like tlsoffload APF
socket.tag = { first: true, clientCert: null, accumulator: "", activetunnels: 0, boundPorts: [], socket: socket, host: null, nextchannelid: 4, channels: {}, nextsourceport: 0 };
parent.debug('apf', "New APF connection");
parent.debug('apf',"WS Extensions:"+socket.extensions);
parent.debug('apf',"WS Binary type:"+socket.binaryType);
//socket._socket.on('data', function(chunk) { console.log(chunk.toString('hex'))});
// Setup the APF keep alive timer
// Websocket does not have timout
// socket.setTimeout(MAX_IDLE);
//socket.on("timeout", () => { ciraTimeoutCount++; parent.debug('apf', "APF timeout, disconnecting."); try { socket.terminate(); } catch (e) { } });
//use on message instead because of websocket
socket.on("message", function (data) {
// use the same debug flag like APF
if (obj.args.debug) { var buf = Buffer.from(data, "binary"); console.log("APF <-- (" + buf.length + "):" + buf.toString('hex')); } // Print out received bytes
socket.tag.accumulator += data.toString("binary"); // append as binary string
try {
// Parse all of the APF data we can
var l = 0;
do { l = ProcessCommand(socket); if (l > 0) { socket.tag.accumulator = socket.tag.accumulator.substring(l); } } while (l > 0);
if (l < 0) { socket.terminate(); }
} catch (e) {
console.log(e);
}
});
// Process one AFP command
function ProcessCommand(socket) {
var cmd = socket.tag.accumulator.charCodeAt(0);
var len = socket.tag.accumulator.length;
var data = socket.tag.accumulator;
if (len == 0) { return 0; }
switch (cmd) {
case APFProtocol.KEEPALIVE_REQUEST: {
if (len < 5) return 0;
parent.debug('apfcmd', 'KEEPALIVE_REQUEST');
SendKeepAliveReply(socket, common.ReadInt(data, 1));
return 5;
}
case APFProtocol.KEEPALIVE_REPLY: {
if (len < 5) return 0;
parent.debug('apfcmd', 'KEEPALIVE_REPLY');
return 5;
}
case APFProtocol.PROTOCOLVERSION: {
if (len < 93) return 0;
protocolVersionCount++;
socket.tag.MajorVersion = common.ReadInt(data, 1);
socket.tag.MinorVersion = common.ReadInt(data, 5);
socket.tag.SystemId = guidToStr(common.rstr2hex(data.substring(13, 29))).toLowerCase();
parent.debug('apfcmd', 'PROTOCOLVERSION', socket.tag.MajorVersion, socket.tag.MinorVersion, socket.tag.SystemId);
return 93;
}
case APFProtocol.USERAUTH_REQUEST: {
if (len < 13) return 0;
userAuthRequestCount++;
var usernameLen = common.ReadInt(data, 1);
var username = data.substring(5, 5 + usernameLen);
var serviceNameLen = common.ReadInt(data, 5 + usernameLen);
var serviceName = data.substring(9 + usernameLen, 9 + usernameLen + serviceNameLen);
var methodNameLen = common.ReadInt(data, 9 + usernameLen + serviceNameLen);
var methodName = data.substring(13 + usernameLen + serviceNameLen, 13 + usernameLen + serviceNameLen + methodNameLen);
var passwordLen = 0, password = null;
if (methodName == 'password') {
passwordLen = common.ReadInt(data, 14 + usernameLen + serviceNameLen + methodNameLen);
password = data.substring(18 + usernameLen + serviceNameLen + methodNameLen, 18 + usernameLen + serviceNameLen + methodNameLen + passwordLen);
}
//console.log('APF:USERAUTH_REQUEST user=' + username + ', service=' + serviceName + ', method=' + methodName + ', password=' + password);
parent.debug('apfcmd', 'USERAUTH_REQUEST user=' + username + ', service=' + serviceName + ', method=' + methodName + ', password=' + password);
// Check the APF password
if ((args.mpspass != null) && (password != args.mpspass)) { incorrectPasswordCount++; parent.debug('apf', 'Incorrect password', username, password); SendUserAuthFail(socket); return -1; }
// Check the APF username, which should be the start of the MeshID.
if (usernameLen != 16) { badUserNameLengthCount++; parent.debug('apf', 'Username length not 16', username, password); SendUserAuthFail(socket); return -1; }
var meshIdStart = '/' + username, mesh = null;
if (obj.parent.webserver.meshes) { for (var i in obj.parent.webserver.meshes) { if (obj.parent.webserver.meshes[i]._id.replace(/\@/g, 'X').replace(/\$/g, 'X').indexOf(meshIdStart) > 0) { mesh = obj.parent.webserver.meshes[i]; break; } } }
if (mesh == null) { meshNotFoundCount++; parent.debug('apf', 'Mesh not found', username, password); SendUserAuthFail(socket); return -1; }
// If this is a agent-less mesh, use the device guid 3 times as ID.
if (mesh.mtype == 1) {
// Intel AMT GUID (socket.tag.SystemId) will be used as NodeID
var systemid = socket.tag.SystemId.split('-').join('');
var nodeid = Buffer.from(systemid + systemid + systemid, 'hex').toString('base64').replace(/\+/g, '@').replace(/\//g, '$');
var domain = obj.parent.config.domains[mesh.domain];
socket.tag.domain = domain;
socket.tag.domainid = mesh.domain;
socket.tag.name = '';
socket.tag.nodeid = 'node/' + mesh.domain + '/' + nodeid; // Turn 16bit systemid guid into 48bit nodeid that is base64 encoded
socket.tag.meshid = mesh._id;
socket.tag.connectTime = Date.now();
obj.db.Get(socket.tag.nodeid, function (err, nodes) {
if ((nodes == null) || (nodes.length !== 1)) {
// Check if we already have too many devices for this domain
if (domain.limits && (typeof domain.limits.maxdevices == 'number')) {
db.isMaxType(domain.limits.maxdevices, 'node', mesh.domain, function (ismax, count) {
if (ismax == true) {
// Too many devices in this domain.
maxDomainDevicesReached++;
console.log('Too many devices on this domain to accept the APF connection. meshid: ' + socket.tag.meshid);
socket.terminate();
} else {
// We are under the limit, create the new device.
// Node is not in the database, add it. Credentials will be empty until added by the user.
var device = { type: 'node', mtype: 1, _id: socket.tag.nodeid, meshid: socket.tag.meshid, name: socket.tag.name, host: null, domain: mesh.domain, intelamt: { user: '', pass: '', tls: 0, state: 2 } };
obj.db.Set(device);
// Event the new node
addedDeviceCount++;
var change = 'APF added device ' + socket.tag.name + ' to group ' + mesh.name;
obj.parent.DispatchEvent(['*', socket.tag.meshid], obj, { etype: 'node', action: 'addnode', node: parent.webserver.CloneSafeNode(device), msg: change, domain: mesh.domain });
// Add the connection to the APF connection list
obj.apfConnections[socket.tag.nodeid] = socket;
// send connectivuty update type 8 for APF
obj.parent.SetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime, 8, 7); // TODO: Right now report power state as "present" (7) until we can poll.
SendUserAuthSuccess(socket); // Notify the auth success on the APF connection
}
});
return;
} else {
// Node is not in the database, add it. Credentials will be empty until added by the user.
var device = { type: 'node', mtype: 1, _id: socket.tag.nodeid, meshid: socket.tag.meshid, name: socket.tag.name, host: null, domain: mesh.domain, intelamt: { user: '', pass: '', tls: 0, state: 2 } };
obj.db.Set(device);
// Event the new node
addedDeviceCount++;
var change = 'APF added device ' + socket.tag.name + ' to group ' + mesh.name;
obj.parent.DispatchEvent(['*', socket.tag.meshid], obj, { etype: 'node', action: 'addnode', node: parent.webserver.CloneSafeNode(device), msg: change, domain: mesh.domain });
}
} else {
// Node is already present
var node = nodes[0];
if ((node.intelamt != null) && (node.intelamt.state == 2)) { socket.tag.host = node.intelamt.host; }
}
// Add the connection to the APF connection list
obj.apfConnections[socket.tag.nodeid] = socket;
obj.parent.SetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime, 8, 7); // TODO: Right now report power state as "present" (7) until we can poll.
SendUserAuthSuccess(socket); // Notify the auth success on the APF connection
});
} else if (mesh.mtype == 2) { // If this is a agent mesh, search the mesh for this device UUID
// Intel AMT GUID (socket.tag.SystemId) will be used to search the node
obj.db.getAmtUuidNode(socket.tag.SystemId, function (err, nodes) { // TODO: May need to optimize this request with indexes
if ((nodes == null) || (nodes.length !== 1)) {
// New APF connection for unknown node, disconnect.
unknownNodeCount++;
console.log('APF connection for unknown node. groupid: ' + mesh._id + ', uuid: ' + socket.tag.SystemId);
socket.terminate();
return;
}
// Node is present
var node = nodes[0];
if ((node.intelamt != null) && (node.intelamt.state == 2)) { socket.tag.host = node.intelamt.host; }
socket.tag.nodeid = node._id;
socket.tag.meshid = mesh._id;
socket.tag.connectTime = Date.now();
// Add the connection to the APF connection list
obj.apfConnections[socket.tag.nodeid] = socket;
obj.parent.SetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime, 8, 7); // TODO: Right now report power state as "present" (7) until we can poll.
SendUserAuthSuccess(socket); // Notify the auth success on the APF connection
});
} else { // Unknown mesh type
// New APF connection for unknown node, disconnect.
unknownMeshIdCount++;
console.log('APF connection to a unknown group type. groupid: ' + socket.tag.meshid);
socket.terminate();
return;
}
return 18 + usernameLen + serviceNameLen + methodNameLen + passwordLen;
}
case APFProtocol.SERVICE_REQUEST: {
if (len < 5) return 0;
var xserviceNameLen = common.ReadInt(data, 1);
if (len < 5 + xserviceNameLen) return 0;
var xserviceName = data.substring(5, 5 + xserviceNameLen);
parent.debug('apfcmd', 'SERVICE_REQUEST', xserviceName);
if (xserviceName == "pfwd@amt.intel.com") { SendServiceAccept(socket, "pfwd@amt.intel.com"); }
if (xserviceName == "auth@amt.intel.com") { SendServiceAccept(socket, "auth@amt.intel.com"); }
return 5 + xserviceNameLen;
}
case APFProtocol.GLOBAL_REQUEST: {
if (len < 14) return 0;
var requestLen = common.ReadInt(data, 1);
if (len < 14 + requestLen) return 0;
var request = data.substring(5, 5 + requestLen);
//var wantResponse = data.charCodeAt(5 + requestLen);
if (request == "tcpip-forward") {
var addrLen = common.ReadInt(data, 6 + requestLen);
if (len < 14 + requestLen + addrLen) return 0;
var addr = data.substring(10 + requestLen, 10 + requestLen + addrLen);
var port = common.ReadInt(data, 10 + requestLen + addrLen);
parent.debug('apfcmd', 'GLOBAL_REQUEST', request, addr + ':' + port);
ChangeHostname(socket, addr, socket.tag.SystemId);
if (socket.tag.boundPorts.indexOf(port) == -1) { socket.tag.boundPorts.push(port); }
SendTcpForwardSuccessReply(socket, port);
return 14 + requestLen + addrLen;
}
if (request == "cancel-tcpip-forward") {
var addrLen = common.ReadInt(data, 6 + requestLen);
if (len < 14 + requestLen + addrLen) return 0;
var addr = data.substring(10 + requestLen, 10 + requestLen + addrLen);
var port = common.ReadInt(data, 10 + requestLen + addrLen);
parent.debug('apfcmd', 'GLOBAL_REQUEST', request, addr + ':' + port);
var portindex = socket.tag.boundPorts.indexOf(port);
if (portindex >= 0) { socket.tag.boundPorts.splice(portindex, 1); }
SendTcpForwardCancelReply(socket);
return 14 + requestLen + addrLen;
}
if (request == "udp-send-to@amt.intel.com") {
var addrLen = common.ReadInt(data, 6 + requestLen);
if (len < 26 + requestLen + addrLen) return 0;
var addr = data.substring(10 + requestLen, 10 + requestLen + addrLen);
var port = common.ReadInt(data, 10 + requestLen + addrLen);
var oaddrLen = common.ReadInt(data, 14 + requestLen + addrLen);
if (len < 26 + requestLen + addrLen + oaddrLen) return 0;
var oaddr = data.substring(18 + requestLen, 18 + requestLen + addrLen);
var oport = common.ReadInt(data, 18 + requestLen + addrLen + oaddrLen);
var datalen = common.ReadInt(data, 22 + requestLen + addrLen + oaddrLen);
if (len < 26 + requestLen + addrLen + oaddrLen + datalen) return 0;
parent.debug('apfcmd', 'GLOBAL_REQUEST', request, addr + ':' + port, oaddr + ':' + oport, datalen);
// TODO
return 26 + requestLen + addrLen + oaddrLen + datalen;
}
return 6 + requestLen;
}
case APFProtocol.CHANNEL_OPEN: {
if (len < 33) return 0;
var ChannelTypeLength = common.ReadInt(data, 1);
if (len < (33 + ChannelTypeLength)) return 0;
// Decode channel identifiers and window size
var ChannelType = data.substring(5, 5 + ChannelTypeLength);
var SenderChannel = common.ReadInt(data, 5 + ChannelTypeLength);
var WindowSize = common.ReadInt(data, 9 + ChannelTypeLength);
// Decode the target
var TargetLen = common.ReadInt(data, 17 + ChannelTypeLength);
if (len < (33 + ChannelTypeLength + TargetLen)) return 0;
var Target = data.substring(21 + ChannelTypeLength, 21 + ChannelTypeLength + TargetLen);
var TargetPort = common.ReadInt(data, 21 + ChannelTypeLength + TargetLen);
// Decode the source
var SourceLen = common.ReadInt(data, 25 + ChannelTypeLength + TargetLen);
if (len < (33 + ChannelTypeLength + TargetLen + SourceLen)) return 0;
var Source = data.substring(29 + ChannelTypeLength + TargetLen, 29 + ChannelTypeLength + TargetLen + SourceLen);
var SourcePort = common.ReadInt(data, 29 + ChannelTypeLength + TargetLen + SourceLen);
channelOpenCount++;
parent.debug('apfcmd', 'CHANNEL_OPEN', ChannelType, SenderChannel, WindowSize, Target + ':' + TargetPort, Source + ':' + SourcePort);
// Check if we understand this channel type
//if (ChannelType.toLowerCase() == "direct-tcpip")
{
// We don't understand this channel type, send an error back
SendChannelOpenFailure(socket, SenderChannel, APFChannelOpenFailureReasonCode.UnknownChannelType);
return 33 + ChannelTypeLength + TargetLen + SourceLen;
}
/*
// This is a correct connection. Lets get it setup
var MeshAmtEventEndpoint = { ServerChannel: GetNextBindId(), AmtChannel: SenderChannel, MaxWindowSize: 2048, CurrentWindowSize:2048, SendWindow: WindowSize, InfoHeader: "Target: " + Target + ":" + TargetPort + ", Source: " + Source + ":" + SourcePort};
// TODO: Connect this socket for a WSMAN event
SendChannelOpenConfirmation(socket, SenderChannel, MeshAmtEventEndpoint.ServerChannel, MeshAmtEventEndpoint.MaxWindowSize);
*/
return 33 + ChannelTypeLength + TargetLen + SourceLen;
}
case APFProtocol.CHANNEL_OPEN_CONFIRMATION:
{
if (len < 17) return 0;
var RecipientChannel = common.ReadInt(data, 1);
var SenderChannel = common.ReadInt(data, 5);
var WindowSize = common.ReadInt(data, 9);
socket.tag.activetunnels++;
var cirachannel = socket.tag.channels[RecipientChannel];
if (cirachannel == null) { /*console.log("APF Error in CHANNEL_OPEN_CONFIRMATION: Unable to find channelid " + RecipientChannel);*/ return 17; }
cirachannel.amtchannelid = SenderChannel;
cirachannel.sendcredits = cirachannel.amtCiraWindow = WindowSize;
channelOpenConfirmCount++;
parent.debug('apfcmd', 'CHANNEL_OPEN_CONFIRMATION', RecipientChannel, SenderChannel, WindowSize);
if (cirachannel.closing == 1) {
// Close this channel
SendChannelClose(cirachannel.socket, cirachannel.amtchannelid);
} else {
cirachannel.state = 2;
// Send any pending data
if (cirachannel.sendBuffer != null) {
if (cirachannel.sendBuffer.length <= cirachannel.sendcredits) {
// Send the entire pending buffer
SendChannelData(cirachannel.socket, cirachannel.amtchannelid, cirachannel.sendBuffer);
cirachannel.sendcredits -= cirachannel.sendBuffer.length;
delete cirachannel.sendBuffer;
if (cirachannel.onSendOk) { cirachannel.onSendOk(cirachannel); }
} else {
// Send a part of the pending buffer
SendChannelData(cirachannel.socket, cirachannel.amtchannelid, cirachannel.sendBuffer.substring(0, cirachannel.sendcredits));
cirachannel.sendBuffer = cirachannel.sendBuffer.substring(cirachannel.sendcredits);
cirachannel.sendcredits = 0;
}
}
// Indicate the channel is open
if (cirachannel.onStateChange) { cirachannel.onStateChange(cirachannel, cirachannel.state); }
}
return 17;
}
case APFProtocol.CHANNEL_OPEN_FAILURE:
{
if (len < 17) return 0;
var RecipientChannel = common.ReadInt(data, 1);
var ReasonCode = common.ReadInt(data, 5);
channelOpenFailCount++;
parent.debug('apfcmd', 'CHANNEL_OPEN_FAILURE', RecipientChannel, ReasonCode);
var cirachannel = socket.tag.channels[RecipientChannel];
if (cirachannel == null) { console.log("APF Error in CHANNEL_OPEN_FAILURE: Unable to find channelid " + RecipientChannel); return 17; }
if (cirachannel.state > 0) {
cirachannel.state = 0;
if (cirachannel.onStateChange) { cirachannel.onStateChange(cirachannel, cirachannel.state); }
delete socket.tag.channels[RecipientChannel];
}
return 17;
}
case APFProtocol.CHANNEL_CLOSE:
{
if (len < 5) return 0;
var RecipientChannel = common.ReadInt(data, 1);
channelCloseCount++;
parent.debug('apfcmd', 'CHANNEL_CLOSE', RecipientChannel);
var cirachannel = socket.tag.channels[RecipientChannel];
if (cirachannel == null) { console.log("APF Error in CHANNEL_CLOSE: Unable to find channelid " + RecipientChannel); return 5; }
socket.tag.activetunnels--;
if (cirachannel.state > 0) {
cirachannel.state = 0;
if (cirachannel.onStateChange) { cirachannel.onStateChange(cirachannel, cirachannel.state); }
SendChannelClose(cirachannel.socket, cirachannel.amtchannelid);
delete socket.tag.channels[RecipientChannel];
}
return 5;
}
case APFProtocol.CHANNEL_WINDOW_ADJUST:
{
if (len < 9) return 0;
var RecipientChannel = common.ReadInt(data, 1);
var ByteToAdd = common.ReadInt(data, 5);
var cirachannel = socket.tag.channels[RecipientChannel];
if (cirachannel == null) { console.log("APF Error in CHANNEL_WINDOW_ADJUST: Unable to find channelid " + RecipientChannel); return 9; }
cirachannel.sendcredits += ByteToAdd;
parent.debug('apfcmd', 'CHANNEL_WINDOW_ADJUST', RecipientChannel, ByteToAdd, cirachannel.sendcredits);
if (cirachannel.state == 2 && cirachannel.sendBuffer != null) {
// Compute how much data we can send
if (cirachannel.sendBuffer.length <= cirachannel.sendcredits) {
// Send the entire pending buffer
SendChannelData(cirachannel.socket, cirachannel.amtchannelid, cirachannel.sendBuffer);
cirachannel.sendcredits -= cirachannel.sendBuffer.length;
delete cirachannel.sendBuffer;
if (cirachannel.onSendOk) { cirachannel.onSendOk(cirachannel); }
} else {
// Send a part of the pending buffer
SendChannelData(cirachannel.socket, cirachannel.amtchannelid, cirachannel.sendBuffer.substring(0, cirachannel.sendcredits));
cirachannel.sendBuffer = cirachannel.sendBuffer.substring(cirachannel.sendcredits);
cirachannel.sendcredits = 0;
}
}
return 9;
}
case APFProtocol.CHANNEL_DATA:
{
if (len < 9) return 0;
var RecipientChannel = common.ReadInt(data, 1);
var LengthOfData = common.ReadInt(data, 5);
if (len < (9 + LengthOfData)) return 0;
parent.debug('apfcmddata', 'CHANNEL_DATA', RecipientChannel, LengthOfData);
var cirachannel = socket.tag.channels[RecipientChannel];
if (cirachannel == null) { console.log("APF Error in CHANNEL_DATA: Unable to find channelid " + RecipientChannel); return 9 + LengthOfData; }
cirachannel.amtpendingcredits += LengthOfData;
if (cirachannel.onData) cirachannel.onData(cirachannel, data.substring(9, 9 + LengthOfData));
if (cirachannel.amtpendingcredits > (cirachannel.ciraWindow / 2)) {
SendChannelWindowAdjust(cirachannel.socket, cirachannel.amtchannelid, cirachannel.amtpendingcredits); // Adjust the buffer window
cirachannel.amtpendingcredits = 0;
}
return 9 + LengthOfData;
}
case APFProtocol.DISCONNECT:
{
if (len < 7) return 0;
var ReasonCode = common.ReadInt(data, 1);
disconnectCommandCount++;
parent.debug('apfcmd', 'DISCONNECT', ReasonCode);
try { delete obj.apfConnections[socket.tag.nodeid]; } catch (e) { }
obj.parent.ClearConnectivityState(socket.tag.meshid, socket.tag.nodeid, 8);
return 7;
}
default:
{
parent.debug('apfcmd', 'Unknown APF command: ' + cmd);
return -1;
}
}
}
socket.addListener("close", function () {
socketClosedCount++;
parent.debug('apf', 'APF connection closed');
try { delete obj.apfConnections[socket.tag.nodeid]; } catch (e) { }
obj.parent.ClearConnectivityState(socket.tag.meshid, socket.tag.nodeid, 8);
});
socket.addListener("error", function (e) {
socketErrorCount++;
console.log("APF Error: " + e);
});
}
// Disconnect APF tunnel
obj.close = function (socket) {
try { socket.terminate(); } catch (e) { }
try { delete obj.apfConnections[socket.tag.nodeid]; } catch (e) { }
obj.parent.ClearConnectivityState(socket.tag.meshid, socket.tag.nodeid, 8);
};
function SendServiceAccept(socket, service) {
Write(socket, String.fromCharCode(APFProtocol.SERVICE_ACCEPT) + common.IntToStr(service.length) + service);
}
function SendTcpForwardSuccessReply(socket, port) {
Write(socket, String.fromCharCode(APFProtocol.REQUEST_SUCCESS) + common.IntToStr(port));
}
function SendTcpForwardCancelReply(socket) {
Write(socket, String.fromCharCode(APFProtocol.REQUEST_SUCCESS));
}
/*
function SendKeepAliveRequest(socket, cookie) {
Write(socket, String.fromCharCode(APFProtocol.KEEPALIVE_REQUEST) + common.IntToStr(cookie));
}
*/
function SendKeepAliveReply(socket, cookie) {
Write(socket, String.fromCharCode(APFProtocol.KEEPALIVE_REPLY) + common.IntToStr(cookie));
}
function SendChannelOpenFailure(socket, senderChannel, reasonCode) {
Write(socket, String.fromCharCode(APFProtocol.CHANNEL_OPEN_FAILURE) + common.IntToStr(senderChannel) + common.IntToStr(reasonCode) + common.IntToStr(0) + common.IntToStr(0));
}
/*
function SendChannelOpenConfirmation(socket, recipientChannelId, senderChannelId, initialWindowSize) {
Write(socket, String.fromCharCode(APFProtocol.CHANNEL_OPEN_CONFIRMATION) + common.IntToStr(recipientChannelId) + common.IntToStr(senderChannelId) + common.IntToStr(initialWindowSize) + common.IntToStr(-1));
}
*/
function SendChannelOpen(socket, direct, channelid, windowsize, target, targetport, source, sourceport) {
var connectionType = ((direct == true) ? "direct-tcpip" : "forwarded-tcpip");
if ((target == null) || (target == null)) target = ''; // TODO: Reports of target being undefined that causes target.length to fail. This is a hack.
Write(socket, String.fromCharCode(APFProtocol.CHANNEL_OPEN) + common.IntToStr(connectionType.length) + connectionType + common.IntToStr(channelid) + common.IntToStr(windowsize) + common.IntToStr(-1) + common.IntToStr(target.length) + target + common.IntToStr(targetport) + common.IntToStr(source.length) + source + common.IntToStr(sourceport));
}
function SendChannelClose(socket, channelid) {
Write(socket, String.fromCharCode(APFProtocol.CHANNEL_CLOSE) + common.IntToStr(channelid));
}
function SendChannelData(socket, channelid, data) {
Write(socket, String.fromCharCode(APFProtocol.CHANNEL_DATA) + common.IntToStr(channelid) + common.IntToStr(data.length) + data);
}
function SendChannelWindowAdjust(socket, channelid, bytestoadd) {
parent.debug('apfcmd', 'SendChannelWindowAdjust', channelid, bytestoadd);
Write(socket, String.fromCharCode(APFProtocol.CHANNEL_WINDOW_ADJUST) + common.IntToStr(channelid) + common.IntToStr(bytestoadd));
}
/*
function SendDisconnect(socket, reasonCode) {
Write(socket, String.fromCharCode(APFProtocol.DISCONNECT) + common.IntToStr(reasonCode) + common.ShortToStr(0));
}
*/
function SendUserAuthFail(socket) {
Write(socket, String.fromCharCode(APFProtocol.USERAUTH_FAILURE) + common.IntToStr(8) + 'password' + common.ShortToStr(0));
}
function SendUserAuthSuccess(socket) {
Write(socket, String.fromCharCode(APFProtocol.USERAUTH_SUCCESS));
}
function Write(socket, data) {
if (obj.args.debug) {
// Print out sent bytes
var buf = Buffer.from(data, "binary");
console.log('APF --> (' + buf.length + '):' + buf.toString('hex'));
socket.send(buf);
} else {
socket.send(Buffer.from(data, "binary"));
}
}
// Setup a new channel to a nodeid
obj.SetupChannelToNode = function (nodeid, targetport) {
var apfconn = obj.apfConnections[nodeid];
if (apfconn == null) return null;
return obj.SetupChannel(apfconn, targetport);
}
obj.SetupChannel = function (socket, targetport) {
var sourceport = (socket.tag.nextsourceport++ % 30000) + 1024;
var cirachannel = { targetport: targetport, channelid: socket.tag.nextchannelid++, socket: socket, state: 1, sendcredits: 0, amtpendingcredits: 0, amtCiraWindow: 0, ciraWindow: 32768 };
SendChannelOpen(socket, false, cirachannel.channelid, cirachannel.ciraWindow, socket.tag.host, targetport, "1.2.3.4", sourceport);
// This function writes data to this APF channel
cirachannel.write = function (data) {
if (cirachannel.state == 0) return false;
if (cirachannel.state == 1 || cirachannel.sendcredits == 0 || cirachannel.sendBuffer != null) {
// Channel is connected, but we are out of credits. Add the data to the outbound buffer.
if (cirachannel.sendBuffer == null) { cirachannel.sendBuffer = data; } else { cirachannel.sendBuffer += data; }
return true;
}
// Compute how much data we can send
if (data.length <= cirachannel.sendcredits) {
// Send the entire message
SendChannelData(cirachannel.socket, cirachannel.amtchannelid, data);
cirachannel.sendcredits -= data.length;
return true;
}
// Send a part of the message
cirachannel.sendBuffer = data.substring(cirachannel.sendcredits);
SendChannelData(cirachannel.socket, cirachannel.amtchannelid, data.substring(0, cirachannel.sendcredits));
cirachannel.sendcredits = 0;
return false;
};
// This function closes this APF channel
cirachannel.close = function () {
if (cirachannel.state == 0 || cirachannel.closing == 1) return;
if (cirachannel.state == 1) { cirachannel.closing = 1; cirachannel.state = 0; if (cirachannel.onStateChange) { cirachannel.onStateChange(cirachannel, cirachannel.state); } return; }
cirachannel.state = 0;
cirachannel.closing = 1;
SendChannelClose(cirachannel.socket, cirachannel.amtchannelid);
if (cirachannel.onStateChange) { cirachannel.onStateChange(cirachannel, cirachannel.state); }
};
socket.tag.channels[cirachannel.channelid] = cirachannel;
return cirachannel;
};
function ChangeHostname(socket, host, systemid) {
if (socket.tag.host === host) return; // Nothing to change
socket.tag.host = host;
// Change the device
obj.db.Get(socket.tag.nodeid, function (err, nodes) {
if ((nodes == null) || (nodes.length !== 1)) return;
var node = nodes[0];
// See if any changes need to be made
if ((node.intelamt != null) && (node.intelamt.host == host) && (node.name != null) && (node.name != '') && (node.intelamt.state == 2)) return;
// Get the mesh for this device
obj.db.Get(node.meshid, function (err, meshes) {
if ((meshes == null) || (meshes.length !== 1)) return;
var mesh = meshes[0];
// Ready the node change event
var changes = ['host'], event = { etype: 'node', action: 'changenode', nodeid: node._id };
event.msg = +": ";
// Make the change & save
if (node.intelamt == null) node.intelamt = {};
node.intelamt.host = host;
node.intelamt.state = 2; // TODO: this is not real AMT state
if (((node.name == null) || (node.name == '')) && (host != null) && (host != '')) { node.name = host.split('.')[0]; } // If this system has no name, set it to the start of the domain name.
if (((node.name == null) || (node.name == '')) && (systemid != null)) { node.name = systemid; } // If this system still has no name, set it to the system GUID.
obj.db.Set(node);
// Event the node change
event.msg = 'APF changed device ' + node.name + ' from group ' + mesh.name + ': ' + changes.join(', ');
event.node = parent.webserver.CloneSafeNode(node);
if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the node. Another event will come.
obj.parent.DispatchEvent(['*', node.meshid], obj, event);
});
});
}
function guidToStr(g) { return g.substring(6, 8) + g.substring(4, 6) + g.substring(2, 4) + g.substring(0, 2) + "-" + g.substring(10, 12) + g.substring(8, 10) + "-" + g.substring(14, 16) + g.substring(12, 14) + "-" + g.substring(16, 20) + "-" + g.substring(20); }
return obj;
};

2
meshagent.js
View File

@ -1475,7 +1475,7 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
// Change the current core information string and event it // Change the current core information string and event it
function ChangeAgentCoreInfo(command) { function ChangeAgentCoreInfo(command) {
if (obj.agentInfo.capabilities & 0x40) return; if ((obj.agentInfo == null) || (obj.agentInfo.capabilities & 0x40)) return;
if ((command == null) || (command == null)) return; // Safety, should never happen. if ((command == null) || (command == null)) return; // Safety, should never happen.
// If the device is pending a change, hold. // If the device is pending a change, hold.

4
meshcentral.js
View File

@ -26,7 +26,6 @@ function CreateMeshCentralServer(config, args) {
obj.webserver = null; obj.webserver = null;
obj.redirserver = null; obj.redirserver = null;
obj.mpsserver = null; obj.mpsserver = null;
obj.apfserver = null;
obj.mqttbroker = null; obj.mqttbroker = null;
obj.swarmserver = null; obj.swarmserver = null;
obj.mailserver = null; obj.mailserver = null;
@ -1318,9 +1317,6 @@ function CreateMeshCentralServer(config, args) {
if ((obj.args.sessiontime != null) && ((typeof obj.args.sessiontime != 'number') || (obj.args.sessiontime < 1))) { delete obj.args.sessiontime; } if ((obj.args.sessiontime != null) && ((typeof obj.args.sessiontime != 'number') || (obj.args.sessiontime < 1))) { delete obj.args.sessiontime; }
if (!obj.args.sessionkey) { obj.args.sessionkey = buf.toString('hex').toUpperCase(); } if (!obj.args.sessionkey) { obj.args.sessionkey = buf.toString('hex').toUpperCase(); }
// Create APF server to hook into webserver
obj.apfserver = require('./apfserver.js').CreateApfServer(obj, obj.db, obj.args);
// Create MQTT Broker to hook into webserver and mpsserver // Create MQTT Broker to hook into webserver and mpsserver
if ((typeof obj.config.settings.mqtt == 'object') && (typeof obj.config.settings.mqtt.auth == 'object') && (typeof obj.config.settings.mqtt.auth.keyid == 'string') && (typeof obj.config.settings.mqtt.auth.key == 'string')) { obj.mqttbroker = require("./mqttbroker.js").CreateMQTTBroker(obj, obj.db, obj.args); } if ((typeof obj.config.settings.mqtt == 'object') && (typeof obj.config.settings.mqtt.auth == 'object') && (typeof obj.config.settings.mqtt.auth.keyid == 'string') && (typeof obj.config.settings.mqtt.auth.key == 'string')) { obj.mqttbroker = require("./mqttbroker.js").CreateMQTTBroker(obj, obj.db, obj.args); }

5
meshuser.js
View File

@ -4670,9 +4670,12 @@ module.exports.CreateMeshUser = function (parent, db, ws, req, args, domain, use
if ((state == null) || (state.connectivity & 4) == 0) break; if ((state == null) || (state.connectivity & 4) == 0) break;
} else if (command.mode == 2) { } else if (command.mode == 2) {
if (parent.parent.mpsserver.ciraConnections[command.nodeid] == null) break; if (parent.parent.mpsserver.ciraConnections[command.nodeid] == null) break;
} else if (command.mode == 3) { }
/*
else if (command.mode == 3) {
if (parent.parent.apfserver.apfConnections[command.nodeid] == null) break; if (parent.parent.apfserver.apfConnections[command.nodeid] == null) break;
} }
*/
// Get the node and the rights for this node // Get the node and the rights for this node
parent.GetNodeWithRights(domain, user, command.nodeid, function (node, rights, visible) { parent.GetNodeWithRights(domain, user, command.nodeid, function (node, rights, visible) {

92
mpsserver.js
View File

@ -144,11 +144,13 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
// Delay setting the connectivity state by 300ms to allow time for CIRA port mappings to be established // Delay setting the connectivity state by 300ms to allow time for CIRA port mappings to be established
// Report power state as "present" (7) until Intel AMT manager starts polling for power state. // Report power state as "present" (7) until Intel AMT manager starts polling for power state.
function delayedSetConnectivityState(meshid, nodeid, connectTime) { function delayedSetConnectivityState(meshid, nodeid, connectTime, connType) {
var f = function setConnFunc() { if (obj.ciraConnections[setConnFunc.nodeid] != null) { obj.parent.SetConnectivityState(setConnFunc.meshid, setConnFunc.nodeid, setConnFunc.connectTime, 2, 7); } } if (nodeid.startsWith('*')) return; // Don't set connectivity state for Intel AMT self agent relay
var f = function setConnFunc() { if (obj.ciraConnections[setConnFunc.nodeid] != null) { obj.parent.SetConnectivityState(setConnFunc.meshid, setConnFunc.nodeid, setConnFunc.connectTime, setConnFunc.connType, 7); } }
f.nodeid = nodeid; f.nodeid = nodeid;
f.meshid = meshid; f.meshid = meshid;
f.connectTime = connectTime; f.connectTime = connectTime;
f.connType = connType;
setTimeout(f, 300); setTimeout(f, 300);
} }
@ -220,13 +222,47 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
return packet_len; return packet_len;
} }
obj.onWebSocketConnection = function (socket) {
connectionCount++;
// connType: 2 = CIRA, 8 = Relay
socket.tag = { first: true, connType: 2, clientCert: null, accumulator: '', activetunnels: 0, boundPorts: [], websocket: true, socket: socket, host: null, nextchannelid: 4, channels: {}, nextsourceport: 0 };
socket.websocket = 1;
parent.debug('mps', "New CIRA websocket connection");
socket.on('message', function (data) {
if (args.mpsdebug) { var buf = Buffer.from(data, 'binary'); console.log("MPS <-- (" + buf.length + "):" + buf.toString('hex')); } // Print out received bytes
this.tag.accumulator += data.toString('binary'); // Append as binary string
try {
// Parse all of the APF data we can
var l = 0;
do { l = ProcessCommand(this); if (l > 0) { this.tag.accumulator = this.tag.accumulator.substring(l); } } while (l > 0);
if (l < 0) { this.terminate(); }
} catch (e) {
console.log(e);
}
});
socket.addListener('close', function () {
socketClosedCount++;
parent.debug('mps', "CIRA websocket closed", this.tag.meshid, this.tag.nodeid);
try { delete obj.ciraConnections[socket.tag.nodeid]; } catch (e) { }
if (!this.tag.nodeid.startsWith('*')) { obj.parent.ClearConnectivityState(this.tag.meshid, this.tag.nodeid, this.tag.connType); }
});
socket.addListener('error', function (e) {
socketErrorCount++;
parent.debug('mps', "CIRA websocket connection error", e);
});
}
// Called when a new TLS/TCP connection is accepted // Called when a new TLS/TCP connection is accepted
function onConnection(socket) { function onConnection(socket) {
connectionCount++; connectionCount++;
// connType: 2 = CIRA, 8 = Relay
if (obj.args.mpstlsoffload) { if (obj.args.mpstlsoffload) {
socket.tag = { first: true, clientCert: null, accumulator: '', activetunnels: 0, boundPorts: [], socket: socket, host: null, nextchannelid: 4, channels: {}, nextsourceport: 0 }; socket.tag = { first: true, connType: 2, clientCert: null, accumulator: '', activetunnels: 0, boundPorts: [], socket: socket, host: null, nextchannelid: 4, channels: {}, nextsourceport: 0 };
} else { } else {
socket.tag = { first: true, clientCert: socket.getPeerCertificate(true), accumulator: '', activetunnels: 0, boundPorts: [], socket: socket, host: null, nextchannelid: 4, channels: {}, nextsourceport: 0 }; socket.tag = { first: true, connType: 2, clientCert: socket.getPeerCertificate(true), accumulator: '', activetunnels: 0, boundPorts: [], socket: socket, host: null, nextchannelid: 4, channels: {}, nextsourceport: 0 };
} }
socket.setEncoding('binary'); socket.setEncoding('binary');
parent.debug('mps', "New CIRA connection"); parent.debug('mps', "New CIRA connection");
@ -235,6 +271,19 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
socket.setTimeout(MAX_IDLE); socket.setTimeout(MAX_IDLE);
socket.on('timeout', () => { ciraTimeoutCount++; parent.debug('mps', "CIRA timeout, disconnecting."); try { socket.end(); } catch (e) { } }); socket.on('timeout', () => { ciraTimeoutCount++; parent.debug('mps', "CIRA timeout, disconnecting."); try { socket.end(); } catch (e) { } });
socket.addListener('close', function () {
socketClosedCount++;
parent.debug('mps', 'CIRA connection closed');
try { delete obj.ciraConnections[socket.tag.nodeid]; } catch (e) { }
obj.parent.ClearConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connType);
});
socket.addListener('error', function (e) {
socketErrorCount++;
parent.debug('mps', 'CIRA connection error', e);
//console.log("MPS Error: " + socket.remoteAddress);
});
socket.addListener('data', function (data) { socket.addListener('data', function (data) {
if (args.mpsdebug) { var buf = Buffer.from(data, 'binary'); console.log("MPS --> (" + buf.length + "):" + buf.toString('hex')); } // Print out received bytes if (args.mpsdebug) { var buf = Buffer.from(data, 'binary'); console.log("MPS --> (" + buf.length + "):" + buf.toString('hex')); } // Print out received bytes
socket.tag.accumulator += data; socket.tag.accumulator += data;
@ -334,8 +383,7 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
// Add the connection to the MPS connection list // Add the connection to the MPS connection list
obj.ciraConnections[socket.tag.nodeid] = socket; obj.ciraConnections[socket.tag.nodeid] = socket;
//obj.parent.SetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime, 2, 7); // TODO: Right now report power state as "present" (7) until we can poll. delayedSetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime, socket.tag.connType);
delayedSetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime);
} }
}); });
return; return;
@ -365,7 +413,7 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
// Add the connection to the MPS connection list // Add the connection to the MPS connection list
obj.ciraConnections[socket.tag.nodeid] = socket; obj.ciraConnections[socket.tag.nodeid] = socket;
delayedSetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime); delayedSetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime, socket.tag.connType);
}); });
} else { } else {
// This node connected without certificate authentication, use password auth // This node connected without certificate authentication, use password auth
@ -382,6 +430,7 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
console.log(e); console.log(e);
} }
}); });
}
// Process one APF command // Process one APF command
function ProcessCommand(socket) { function ProcessCommand(socket) {
@ -473,7 +522,7 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
// Add the connection to the MPS connection list // Add the connection to the MPS connection list
obj.ciraConnections[socket.tag.nodeid] = socket; obj.ciraConnections[socket.tag.nodeid] = socket;
delayedSetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime); delayedSetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime, socket.tag.connType);
SendUserAuthSuccess(socket); // Notify the auth success on the CIRA connection SendUserAuthSuccess(socket); // Notify the auth success on the CIRA connection
} }
}); });
@ -497,7 +546,7 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
// Add the connection to the MPS connection list // Add the connection to the MPS connection list
obj.ciraConnections[socket.tag.nodeid] = socket; obj.ciraConnections[socket.tag.nodeid] = socket;
delayedSetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime); delayedSetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime, socket.tag.connType);
SendUserAuthSuccess(socket); // Notify the auth success on the CIRA connection SendUserAuthSuccess(socket); // Notify the auth success on the CIRA connection
}); });
} else if (mesh.mtype == 2) { // If this is a agent mesh, search the mesh for this device UUID } else if (mesh.mtype == 2) { // If this is a agent mesh, search the mesh for this device UUID
@ -536,7 +585,7 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
// Add the connection to the MPS connection list // Add the connection to the MPS connection list
obj.ciraConnections[socket.tag.nodeid] = socket; obj.ciraConnections[socket.tag.nodeid] = socket;
delayedSetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime); delayedSetConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connectTime, socket.tag.connType);
SendUserAuthSuccess(socket); // Notify the auth success on the CIRA connection SendUserAuthSuccess(socket); // Notify the auth success on the CIRA connection
}); });
} else { // Unknown mesh type } else { // Unknown mesh type
@ -770,7 +819,7 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
disconnectCommandCount++; disconnectCommandCount++;
parent.debug('mpscmd', '--> DISCONNECT', ReasonCode); parent.debug('mpscmd', '--> DISCONNECT', ReasonCode);
try { delete obj.ciraConnections[socket.tag.nodeid]; } catch (e) { } try { delete obj.ciraConnections[socket.tag.nodeid]; } catch (e) { }
obj.parent.ClearConnectivityState(socket.tag.meshid, socket.tag.nodeid, 2); obj.parent.ClearConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connType);
return 7; return 7;
} }
default: default:
@ -781,26 +830,11 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
} }
} }
socket.addListener('close', function () {
socketClosedCount++;
parent.debug('mps', 'CIRA connection closed');
try { delete obj.ciraConnections[socket.tag.nodeid]; } catch (e) { }
obj.parent.ClearConnectivityState(socket.tag.meshid, socket.tag.nodeid, 2);
});
socket.addListener('error', function () {
socketErrorCount++;
parent.debug('mps', 'CIRA connection error');
//console.log("MPS Error: " + socket.remoteAddress);
});
}
// Disconnect CIRA tunnel // Disconnect CIRA tunnel
obj.close = function (socket) { obj.close = function (socket) {
try { socket.end(); } catch (e) { } try { socket.end(); } catch (e) { }
try { delete obj.ciraConnections[socket.tag.nodeid]; } catch (e) { } try { delete obj.ciraConnections[socket.tag.nodeid]; } catch (e) { }
obj.parent.ClearConnectivityState(socket.tag.meshid, socket.tag.nodeid, 2); obj.parent.ClearConnectivityState(socket.tag.meshid, socket.tag.nodeid, socket.tag.connType);
}; };
function SendServiceAccept(socket, service) { function SendServiceAccept(socket, service) {
@ -886,9 +920,9 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
// Print out sent bytes // Print out sent bytes
var buf = Buffer.from(data, 'binary'); var buf = Buffer.from(data, 'binary');
console.log('MPS <-- (' + buf.length + '):' + buf.toString('hex')); console.log('MPS <-- (' + buf.length + '):' + buf.toString('hex'));
socket.write(buf); if (socket.websocket == 1) { socket.send(buf); } else { socket.write(buf); }
} else { } else {
socket.write(Buffer.from(data, 'binary')); if (socket.websocket == 1) { socket.send(Buffer.from(data, 'binary')); } else { socket.write(Buffer.from(data, 'binary')); }
} }
} }

2
webserver.js
View File

@ -4846,7 +4846,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
obj.app.post(url + 'uploadmeshcorefile.ashx', handleUploadMeshCoreFile); obj.app.post(url + 'uploadmeshcorefile.ashx', handleUploadMeshCoreFile);
obj.app.get(url + 'userfiles/*', handleDownloadUserFiles); obj.app.get(url + 'userfiles/*', handleDownloadUserFiles);
obj.app.ws(url + 'echo.ashx', handleEchoWebSocket); obj.app.ws(url + 'echo.ashx', handleEchoWebSocket);
obj.app.ws(url + 'apf.ashx', function (ws, req) { obj.parent.apfserver.onConnection(ws); }) obj.app.ws(url + 'apf.ashx', function (ws, req) { obj.parent.mpsserver.onWebSocketConnection(ws); })
obj.app.get(url + 'webrelay.ashx', function (req, res) { res.send('Websocket connection expected'); }); obj.app.get(url + 'webrelay.ashx', function (req, res) { res.send('Websocket connection expected'); });
obj.app.get(url + 'health.ashx', function (req, res) { res.send('ok'); }); // TODO: Perform more server checking. obj.app.get(url + 'health.ashx', function (req, res) { res.send('ok'); }); // TODO: Perform more server checking.
obj.app.ws(url + 'webrelay.ashx', function (ws, req) { PerformWSSessionAuth(ws, req, false, handleRelayWebSocket); }); obj.app.ws(url + 'webrelay.ashx', function (ws, req) { PerformWSSessionAuth(ws, req, false, handleRelayWebSocket); });