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Code Issues Releases Wiki Activity

Added RDP viewonly and limited input.

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Ylian Saint-Hilaire 2022-05-07 15:47:50 -07:00
parent a35a43fa9a
commit fa8680c14e
3 changed files with 74 additions and 12 deletions
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51
apprelays.js
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@ -34,6 +34,29 @@ const PROTOCOL_WEBSSH = 202;
const PROTOCOL_WEBSFTP = 203;
const PROTOCOL_WEBVNC = 204;
// Mesh Rights
const MESHRIGHT_EDITMESH = 0x00000001; // 1
const MESHRIGHT_MANAGEUSERS = 0x00000002; // 2
const MESHRIGHT_MANAGECOMPUTERS = 0x00000004; // 4
const MESHRIGHT_REMOTECONTROL = 0x00000008; // 8
const MESHRIGHT_AGENTCONSOLE = 0x00000010; // 16
const MESHRIGHT_SERVERFILES = 0x00000020; // 32
const MESHRIGHT_WAKEDEVICE = 0x00000040; // 64
const MESHRIGHT_SETNOTES = 0x00000080; // 128
const MESHRIGHT_REMOTEVIEWONLY = 0x00000100; // 256
const MESHRIGHT_NOTERMINAL = 0x00000200; // 512
const MESHRIGHT_NOFILES = 0x00000400; // 1024
const MESHRIGHT_NOAMT = 0x00000800; // 2048
const MESHRIGHT_DESKLIMITEDINPUT = 0x00001000; // 4096
const MESHRIGHT_LIMITEVENTS = 0x00002000; // 8192
const MESHRIGHT_CHATNOTIFY = 0x00004000; // 16384
const MESHRIGHT_UNINSTALL = 0x00008000; // 32768
const MESHRIGHT_NODESKTOP = 0x00010000; // 65536
const MESHRIGHT_REMOTECOMMAND = 0x00020000; // 131072
const MESHRIGHT_RESETOFF = 0x00040000; // 262144
const MESHRIGHT_GUESTSHARING = 0x00080000; // 524288
const MESHRIGHT_DEVICEDETAILS = 0x00100000; // 1048576
const MESHRIGHT_ADMIN = 0xFFFFFFFF;
// Construct a MSTSC Relay object, called upon connection
// This implementation does not have TLS support
@ -233,11 +256,12 @@ module.exports.CreateMstscRelay = function (parent, db, ws, req, args, domain) {
obj.userid = obj.cookie.userid;
}
// Get node
parent.parent.db.Get(obj.nodeid, function (err, nodes) {
// Get node and rights
parent.GetNodeWithRights(domain, obj.userid, obj.nodeid, function (node, rights, visible) {
if (obj.ws == null) return; // obj has been cleaned up, just exit.
if ((err != null) || (nodes == null) || (nodes.length != 1)) { obj.close(); return; }
const node = nodes[0];
if ((node == null) || (visible == false) || ((rights & MESHRIGHT_REMOTECONTROL) == 0)) { obj.close(); return; }
if ((rights != MESHRIGHT_ADMIN) && ((rights & MESHRIGHT_REMOTEVIEWONLY) != 0)) { obj.viewonly = true; }
if ((rights != MESHRIGHT_ADMIN) && ((rights & MESHRIGHT_DESKLIMITEDINPUT) != 0)) { obj.limitedinput = true; }
obj.mtype = node.mtype; // Store the device group type
obj.meshid = node.meshid; // Store the MeshID
@ -287,10 +311,21 @@ module.exports.CreateMstscRelay = function (parent, db, ws, req, args, domain) {
});
break;
}
case 'mouse': { if (rdpClient) { rdpClient.sendPointerEvent(msg[1], msg[2], msg[3], msg[4]); } break; }
case 'wheel': { if (rdpClient) { rdpClient.sendWheelEvent(msg[1], msg[2], msg[3], msg[4]); } break; }
case 'scancode': { if (rdpClient) { rdpClient.sendKeyEventScancode(msg[1], msg[2]); } break; }
case 'unicode': { if (rdpClient) { rdpClient.sendKeyEventUnicode(msg[1], msg[2]); } break; }
case 'mouse': { if (rdpClient && (obj.viewonly != true)) { rdpClient.sendPointerEvent(msg[1], msg[2], msg[3], msg[4]); } break; }
case 'wheel': { if (rdpClient && (obj.viewonly != true)) { rdpClient.sendWheelEvent(msg[1], msg[2], msg[3], msg[4]); } break; }
case 'scancode': {
if (obj.limitedinput == true) { // Limit keyboard input
var ok = false, k = msg[1];
if ((k >= 2) && (k <= 11)) { ok = true; } // Number keys 1 to 0
if ((k >= 16) && (k <= 25)) { ok = true; } // First keyboard row
if ((k >= 30) && (k <= 38)) { ok = true; } // Second keyboard row
if ((k >= 44) && (k <= 50)) { ok = true; } // Third keyboard row
if ((k == 14) || (k == 28)) { ok = true; } // Enter and backspace
if (ok == false) return;
}
if (rdpClient && (obj.viewonly != true)) { rdpClient.sendKeyEventScancode(msg[1], msg[2]); } break;
}
case 'unicode': { if (rdpClient && (obj.viewonly != true)) { rdpClient.sendKeyEventUnicode(msg[1], msg[2]); } break; }
case 'utype': {
if (!rdpClient) return;
obj.utype = msg[1];