mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-12-25 22:55:52 -05:00
383 lines
14 KiB
JavaScript
383 lines
14 KiB
JavaScript
/*
|
|
Copyright 2018 Intel Corporation
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
var NOTIFY_FOR_THIS_SESSION = 0;
|
|
var NOTIFY_FOR_ALL_SESSIONS = 1;
|
|
var WM_WTSSESSION_CHANGE = 0x02B1;
|
|
var WTS_CONSOLE_CONNECT = (0x1);
|
|
var WTS_CONSOLE_DISCONNECT = (0x2);
|
|
var WTS_REMOTE_CONNECT = (0x3);
|
|
var WTS_REMOTE_DISCONNECT = (0x4);
|
|
var WTS_SESSION_LOGON = (0x5);
|
|
var WTS_SESSION_LOGOFF = (0x6);
|
|
var WTS_SESSION_LOCK = (0x7);
|
|
var WTS_SESSION_UNLOCK = (0x8);
|
|
var WTS_SESSION_REMOTE_CONTROL = (0x9);
|
|
var WTS_SESSION_CREATE = (0xA);
|
|
var WTS_SESSION_TERMINATE = (0xB);
|
|
|
|
function UserSessions()
|
|
{
|
|
this._ObjectID = 'user-sessions';
|
|
require('events').EventEmitter.call(this, true)
|
|
.createEvent('changed')
|
|
.createEvent('locked')
|
|
.createEvent('unlocked');
|
|
|
|
this.enumerateUsers = function enumerateUsers()
|
|
{
|
|
var promise = require('promise');
|
|
var p = new promise(function (res, rej)
|
|
{
|
|
this.__resolver = res;
|
|
this.__rejector = rej;
|
|
});
|
|
p.__handler = function __handler(users)
|
|
{
|
|
p.__resolver(users);
|
|
};
|
|
this.Current(p.__handler);
|
|
return (p);
|
|
}
|
|
|
|
if (process.platform == 'win32')
|
|
{
|
|
this._serviceHooked = false;
|
|
this._marshal = require('_GenericMarshal');
|
|
this._kernel32 = this._marshal.CreateNativeProxy('Kernel32.dll');
|
|
this._kernel32.CreateMethod('GetLastError');
|
|
this._wts = this._marshal.CreateNativeProxy('Wtsapi32.dll');
|
|
this._wts.CreateMethod('WTSEnumerateSessionsA');
|
|
this._wts.CreateMethod('WTSQuerySessionInformationA');
|
|
this._wts.CreateMethod('WTSRegisterSessionNotification');
|
|
this._wts.CreateMethod('WTSUnRegisterSessionNotification');
|
|
this._wts.CreateMethod('WTSFreeMemory');
|
|
this.SessionStates = ['Active', 'Connected', 'ConnectQuery', 'Shadow', 'Disconnected', 'Idle', 'Listening', 'Reset', 'Down', 'Init'];
|
|
this.InfoClass =
|
|
{
|
|
'WTSInitialProgram': 0,
|
|
'WTSApplicationName': 1,
|
|
'WTSWorkingDirectory': 2,
|
|
'WTSOEMId': 3,
|
|
'WTSSessionId': 4,
|
|
'WTSUserName': 5,
|
|
'WTSWinStationName': 6,
|
|
'WTSDomainName': 7,
|
|
'WTSConnectState': 8,
|
|
'WTSClientBuildNumber': 9,
|
|
'WTSClientName': 10,
|
|
'WTSClientDirectory': 11,
|
|
'WTSClientProductId': 12,
|
|
'WTSClientHardwareId': 13,
|
|
'WTSClientAddress': 14,
|
|
'WTSClientDisplay': 15,
|
|
'WTSClientProtocolType': 16,
|
|
'WTSIdleTime': 17,
|
|
'WTSLogonTime': 18,
|
|
'WTSIncomingBytes': 19,
|
|
'WTSOutgoingBytes': 20,
|
|
'WTSIncomingFrames': 21,
|
|
'WTSOutgoingFrames': 22,
|
|
'WTSClientInfo': 23,
|
|
'WTSSessionInfo': 24,
|
|
'WTSSessionInfoEx': 25,
|
|
'WTSConfigInfo': 26,
|
|
'WTSValidationInfo': 27,
|
|
'WTSSessionAddressV4': 28,
|
|
'WTSIsRemoteSession': 29
|
|
};
|
|
|
|
this.getSessionAttribute = function getSessionAttribute(sessionId, attr)
|
|
{
|
|
var buffer = this._marshal.CreatePointer();
|
|
var bytesReturned = this._marshal.CreateVariable(4);
|
|
|
|
if (this._wts.WTSQuerySessionInformationA(0, sessionId, attr, buffer, bytesReturned).Val == 0)
|
|
{
|
|
throw ('Error calling WTSQuerySessionInformation: ' + this._kernel32.GetLastError.Val);
|
|
}
|
|
|
|
var retVal = buffer.Deref().String;
|
|
|
|
this._wts.WTSFreeMemory(buffer.Deref());
|
|
return (retVal);
|
|
};
|
|
|
|
this.Current = function Current(cb)
|
|
{
|
|
var retVal = {};
|
|
var pinfo = this._marshal.CreatePointer();
|
|
var count = this._marshal.CreateVariable(4);
|
|
if (this._wts.WTSEnumerateSessionsA(0, 0, 1, pinfo, count).Val == 0)
|
|
{
|
|
throw ('Error calling WTSEnumerateSessionsA: ' + this._kernel32.GetLastError().Val);
|
|
}
|
|
|
|
for (var i = 0; i < count.toBuffer().readUInt32LE() ; ++i)
|
|
{
|
|
var info = pinfo.Deref().Deref(i * (this._marshal.PointerSize == 4 ? 12 : 24), this._marshal.PointerSize == 4 ? 12 : 24);
|
|
var j = { SessionId: info.toBuffer().readUInt32LE() };
|
|
j.StationName = info.Deref(this._marshal.PointerSize == 4 ? 4 : 8, this._marshal.PointerSize).Deref().String;
|
|
j.State = this.SessionStates[info.Deref(this._marshal.PointerSize == 4 ? 8 : 16, 4).toBuffer().readUInt32LE()];
|
|
if (j.State == 'Active') {
|
|
j.Username = this.getSessionAttribute(j.SessionId, this.InfoClass.WTSUserName);
|
|
j.Domain = this.getSessionAttribute(j.SessionId, this.InfoClass.WTSDomainName);
|
|
}
|
|
retVal[j.SessionId] = j;
|
|
}
|
|
|
|
this._wts.WTSFreeMemory(pinfo.Deref());
|
|
|
|
Object.defineProperty(retVal, 'Active', { value: showActiveOnly(retVal) });
|
|
if (cb) { cb(retVal); }
|
|
return (retVal);
|
|
};
|
|
|
|
this._immediate = setImmediate(function (self)
|
|
{
|
|
if (self._serviceHooked) { return; } // If we were hooked by a service, we won't need to do anything further
|
|
|
|
// We need to spin up a message pump, and fetch a window handle
|
|
var message_pump = require('win-message-pump');
|
|
self._messagepump = new message_pump({ filter: WM_WTSSESSION_CHANGE });
|
|
self._messagepump.on('exit', function (code) { self._wts.WTSUnRegisterSessionNotification(self.hwnd); });
|
|
self._messagepump.on('hwnd', function (h)
|
|
{
|
|
self.hwnd = h;
|
|
// Now that we have a window handle, we can register it to receive Windows Messages
|
|
self._wts.WTSRegisterSessionNotification(self.hwnd, NOTIFY_FOR_ALL_SESSIONS);
|
|
});
|
|
self._messagepump.on('message', function (msg)
|
|
{
|
|
if (msg.message == WM_WTSSESSION_CHANGE)
|
|
{
|
|
switch(msg.wparam)
|
|
{
|
|
case WTS_SESSION_LOCK:
|
|
self.enumerateUsers().then(function (users)
|
|
{
|
|
if (users[msg.lparam]) { self.emit('locked', users[msg.lparam]); }
|
|
});
|
|
break;
|
|
case WTS_SESSION_UNLOCK:
|
|
self.enumerateUsers().then(function (users)
|
|
{
|
|
if (users[msg.lparam]) { self.emit('unlocked', users[msg.lparam]); }
|
|
});
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
}, this);
|
|
}
|
|
else
|
|
{
|
|
this._linuxWatcher = require('fs').watch('/var/run/utmp');
|
|
this._linuxWatcher.user_session = this;
|
|
this._linuxWatcher.on('change', function (a, b)
|
|
{
|
|
this.user_session.emit('changed');
|
|
});
|
|
this.Self = function Self()
|
|
{
|
|
var promise = require('promise');
|
|
var p = new promise(function (res, rej)
|
|
{
|
|
this.__resolver = res; this.__rejector = rej;
|
|
this.__child = require('child_process').execFile('/usr/bin/id', ['id', '-u']);
|
|
this.__child.promise = this;
|
|
this.__child.stdout._txt = '';
|
|
this.__child.stdout.on('data', function (chunk) { this._txt += chunk.toString(); });
|
|
this.__child.on('exit', function (code)
|
|
{
|
|
try
|
|
{
|
|
parseInt(this.stdout._txt);
|
|
}
|
|
catch (e)
|
|
{
|
|
this.promise.__rejector('invalid uid');
|
|
return;
|
|
}
|
|
|
|
var id = parseInt(this.stdout._txt);
|
|
this.promise.__resolver(id);
|
|
});
|
|
});
|
|
return (p);
|
|
};
|
|
this.Current = function Current(cb)
|
|
{
|
|
var retVal = {};
|
|
retVal._ObjectID = 'UserSession'
|
|
Object.defineProperty(retVal, '_callback', { value: cb });
|
|
Object.defineProperty(retVal, '_child', { value: require('child_process').execFile('/usr/bin/last', ['last', '-f', '/var/run/utmp']) });
|
|
|
|
retVal._child.Parent = retVal;
|
|
retVal._child._txt = '';
|
|
retVal._child.on('exit', function (code)
|
|
{
|
|
var lines = this._txt.split('\n');
|
|
var sessions = [];
|
|
var users = {};
|
|
|
|
for(var i in lines)
|
|
{
|
|
if (lines[i])
|
|
{
|
|
var tokens = getTokens(lines[i]);
|
|
var s = { Username: tokens[0], SessionId: tokens[1] }
|
|
if (tokens[3].includes('still logged in'))
|
|
{
|
|
s.State = 'Active';
|
|
}
|
|
else
|
|
{
|
|
s.LastActive = tokens[3];
|
|
}
|
|
|
|
sessions.push(s);
|
|
}
|
|
}
|
|
sessions.pop();
|
|
|
|
|
|
var usernames = {};
|
|
var promises = [];
|
|
|
|
for (var i in sessions)
|
|
{
|
|
if (sessions[i].Username != 'reboot')
|
|
{
|
|
users[sessions[i].SessionId] = sessions[i];
|
|
if(usernames[sessions[i].Username] == null)
|
|
{
|
|
usernames[sessions[i].Username] = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
try
|
|
{
|
|
require('promise');
|
|
}
|
|
catch(e)
|
|
{
|
|
Object.defineProperty(users, 'Active', { value: showActiveOnly(users) });
|
|
if (this.Parent._callback) { this.Parent._callback.call(this.Parent, users); }
|
|
return;
|
|
}
|
|
|
|
var promise = require('promise');
|
|
for (var n in usernames)
|
|
{
|
|
var p = new promise(function (res, rej)
|
|
{
|
|
this.__username = n;
|
|
this.__resolver = res; this.__rejector = rej;
|
|
this.__child = require('child_process').execFile('/usr/bin/id', ['id', '-u', n]);
|
|
this.__child.promise = this;
|
|
this.__child.stdout._txt = '';
|
|
this.__child.stdout.on('data', function (chunk) { this._txt += chunk.toString(); });
|
|
this.__child.on('exit', function (code)
|
|
{
|
|
try
|
|
{
|
|
parseInt(this.stdout._txt);
|
|
}
|
|
catch(e)
|
|
{
|
|
this.promise.__rejector('invalid uid');
|
|
return;
|
|
}
|
|
|
|
var id = parseInt(this.stdout._txt);
|
|
this.promise.__resolver(id);
|
|
});
|
|
});
|
|
promises.push(p);
|
|
}
|
|
promise.all(promises).then(function (plist)
|
|
{
|
|
// Done
|
|
var table = {};
|
|
for(var i in plist)
|
|
{
|
|
table[plist[i].__username] = plist[i]._internal.completedArgs[0];
|
|
}
|
|
for(var i in users)
|
|
{
|
|
users[i].uid = table[users[i].Username];
|
|
}
|
|
Object.defineProperty(users, 'Active', { value: showActiveOnly(users) });
|
|
if (retVal._callback) { retVal._callback.call(retVal, users); }
|
|
}, function (reason)
|
|
{
|
|
// Failed
|
|
Object.defineProperty(users, 'Active', { value: showActiveOnly(users) });
|
|
if (retVal._callback) { retVal._callback.call(retVal, users); }
|
|
});
|
|
});
|
|
retVal._child.stdout.Parent = retVal._child;
|
|
retVal._child.stdout.on('data', function (chunk) { this.Parent._txt += chunk.toString(); });
|
|
|
|
return (retVal);
|
|
}
|
|
}
|
|
}
|
|
function showActiveOnly(source)
|
|
{
|
|
var retVal = [];
|
|
var unique = {};
|
|
var usernames = [];
|
|
var tmp;
|
|
|
|
for (var i in source)
|
|
{
|
|
if (source[i].State == 'Active')
|
|
{
|
|
retVal.push(source[i]);
|
|
tmp = (source[i].Domain ? (source[i].Domain + '\\') : '') + source[i].Username;
|
|
if (!unique[tmp]) { unique[tmp] = tmp;}
|
|
}
|
|
}
|
|
|
|
for (var i in unique)
|
|
{
|
|
usernames.push(i);
|
|
}
|
|
|
|
Object.defineProperty(retVal, 'usernames', { value: usernames });
|
|
return (retVal);
|
|
}
|
|
function getTokens(str)
|
|
{
|
|
var columns = [];
|
|
var i;
|
|
|
|
columns.push(str.substring(0, (i=str.indexOf(' '))));
|
|
while (str[++i] == ' ');
|
|
columns.push(str.substring(i, (i=str.substring(i).indexOf(' ') + i)));
|
|
while (str[++i] == ' ');
|
|
columns.push(str.substring(i, (i=str.substring(i).indexOf(' ') + i)));
|
|
while (str[++i] == ' ');
|
|
var status = str.substring(i).trim();
|
|
columns.push(status);
|
|
|
|
return (columns);
|
|
}
|
|
|
|
module.exports = new UserSessions(); |