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Files
MeshAgent/modules/monitor-info.js

966 lines
44 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 promise = require('promise');
var PPosition = 4;
var PSize = 8;
var PMinSize = 1 << 4;
var PMaxSize = 1 << 5;
var _NET_WM_STATE_REMOVE = 0; // remove/unset property
var _NET_WM_STATE_ADD = 1; // add/set property
var _NET_WM_STATE_TOGGLE = 2; // toggle property
var SubstructureRedirectMask = (1 << 20);
var SubstructureNotifyMask = (1 << 19);
var PropModeReplace = 0;
var XA_ATOM = 4;
var MWM_HINTS_FUNCTIONS = (1 << 0);
var MWM_HINTS_DECORATIONS = (1 << 1);
var ClientMessage = 33;
var CWEventMask = (1 << 11);
var PropertyChangeMask = (1 << 22);
var PropertyNotify = 28;
var AnyPropertyType = 0;
function getLibInfo(libname)
{
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = '';
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write("whereis ldconfig | awk '{ print $2 }'\nexit\n");
child.waitExit();
if (child.stdout.str.trim() != '')
{
var ldconfig = child.stdout.str.trim();
child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = '';
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write(ldconfig + " -p | grep '" + libname + ".so.' | tr '\\n' '^' | awk -F^ '{ printf \"[\"; for(i=1;i<=NF;++i) {" + ' split($i, plat, ")"); split(plat[1], plat2, "("); ifox=split(plat2[2], ifo, ","); libc=""; hwcap="0"; for(ifoi=1;ifoi<=ifox;++ifoi) { if(split(ifo[ifoi], jnk, "libc")==2) { libc=ifo[ifoi]; } if(split(ifo[ifoi], jnk, "hwcap:")==2) { split(ifo[ifoi], jnk, "0x"); hwcap=jnk[2]; } } x=split($i, tok, " "); if(tok[1]!="") { printf "%s{\\"lib\\": \\"%s\\", \\"path\\": \\"%s\\", \\"hwcap\\": \\"%s\\", \\"libc\\": \\"%s\\"}", (i!=1?",":""), tok[1], tok[x], hwcap, libc; }} printf "]"; }\'\nexit\n');
child.waitExit();
try
{
var v = JSON.parse(child.stdout.str.trim());
if (v.length != 0) { return (v); }
}
catch (e)
{
}
}
// No ldconfig, or no result returned;
child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
child.stderr.on('data', function () { });
child.stdin.write('ls /lib/' + libname + '.*' + " | tr '\\n' '`' | awk -F'`' '{" + ' DEL=""; printf "["; for(i=1;i<NF;++i) { if($1~/((\\.so)(\\.[0-9]+)*)$/) { printf "%s{\\"path\\": \\"%s\\"}",DEL,$i; DEL=","; } } printf "]"; }\'\nexit\n');
child.waitExit();
try
{
return (JSON.parse(child.stdout.str.trim()));
}
catch (e)
{
return ([]);
}
}
function monitorinfo()
{
this._ObjectID = 'monitor-info';
this._gm = require('_GenericMarshal');
if (process.platform == 'win32')
{
this._user32 = this._gm.CreateNativeProxy('user32.dll');
this._user32.CreateMethod('EnumDisplayMonitors');
this._user32.CreateMethod('MonitorFromWindow');
this._kernel32 = this._gm.CreateNativeProxy('kernel32.dll');
this._kernel32.CreateMethod('GetLastError');
try
{
this._shcore = this._gm.CreateNativeProxy('SHCore.dll');
this._shcore.CreateMethod('GetDpiForMonitor');
}
catch (xx)
{
this._shcore = null;
}
this.getInfo = function getInfo()
{
var info = this;
return (new promise(function (resolver, rejector) {
this._monitorinfo = { resolver: resolver, rejector: rejector, self: info, callback: info._gm.GetGenericGlobalCallback(4) };
this._monitorinfo.callback.info = this._monitorinfo;
this._monitorinfo.dwData = info._gm.ObjectToPtr(this._monitorinfo);
this._monitorinfo.callback.results = [];
this._monitorinfo.callback.on('GlobalCallback', function OnMonitorInfo(hmon, hdc, r, user) {
if (this.ObjectToPtr_Verify(this.info, user))
{
var dpi = 96;
var sh = require('monitor-info')._shcore;
if (sh != null)
{
var xdpi = require('_GenericMarshal').CreateVariable(4);
var ydpi = require('_GenericMarshal').CreateVariable(4);
sh.GetDpiForMonitor(hmon, 0, xdpi, ydpi);
dpi = xdpi.toBuffer().readUInt32LE();
}
var rb = r.Deref(0, 16).toBuffer();
this.results.push({ left: rb.readInt32LE(0), top: rb.readInt32LE(4), right: rb.readInt32LE(8), bottom: rb.readInt32LE(12), dpi: dpi });
var r = this.info.self._gm.CreateInteger();
r.Val = 1;
return (r);
}
});
if (info._user32.EnumDisplayMonitors(0, 0, this._monitorinfo.callback, this._monitorinfo.dwData).Val == 0) {
rejector('LastError=' + info._kernel32.GetLastError().Val);
return;
}
else {
resolver(this._monitorinfo.callback.results);
}
}));
}
}
else if (process.platform == 'linux')
{
// First thing we need to do, is determine where the X11 libraries are
this._check = function _check()
{
var ix;
if(!this.Location_X11LIB)
{
var x11info = getLibInfo('libX11');
for (ix in x11info)
{
if (x11info.length == 1 || x11info[ix].hwcap == "0")
{
try
{
Object.defineProperty(this, 'Location_X11LIB', { value: x11info[ix].path });
break;
}
catch (ex)
{
}
}
}
try
{
if (process.env['Location_X11LIB']) { Object.defineProperty(this, 'Location_X11LIB', { value: process.env['Location_X11LIB'] }); }
}
catch(xx)
{
}
}
if(!this.Location_X11TST)
{
var xtstinfo = getLibInfo('libXtst');
for (ix in xtstinfo)
{
if (xtstinfo.length == 1 || xtstinfo[ix].hwcap == "0")
{
try
{
Object.defineProperty(this, 'Location_X11TST', { value: xtstinfo[ix].path });
break;
}
catch (ex)
{
}
}
}
try
{
if (process.env['Location_X11TST']) { Object.defineProperty(this, 'Location_X11TST', { value: process.env['Location_X11TST'] }); }
}
catch (xx)
{
}
}
if(!this.Location_X11EXT)
{
var xextinfo = getLibInfo('libXext');
for (ix in xextinfo)
{
if (xextinfo.length == 1 || xextinfo[ix].hwcap == "0")
{
try
{
Object.defineProperty(this, 'Location_X11EXT', { value: xextinfo[ix].path });
break;
}
catch (ex)
{
}
}
}
try
{
if (process.env['Location_X11EXT']) { Object.defineProperty(this, 'Location_X11EXT', { value: process.env['Location_X11EXT'] }); }
}
catch(xx)
{
}
}
if(!this.Location_X11FIXES)
{
var xfixesinfo = getLibInfo('libXfixes');
for (ix in xfixesinfo)
{
if (xfixesinfo.length == 1 || xfixesinfo[ix].hwcap == "0")
{
try
{
Object.defineProperty(this, 'Location_X11FIXES', { value: xfixesinfo[ix].path });
break;
}
catch (ex)
{
}
}
}
try
{
if (process.env['Location_X11FIXES']) { Object.defineProperty(this, 'Location_X11FIXES', { value: process.env['Location_X11FIXES'] }); }
}
catch(xx)
{
}
}
if (!this.Location_X11KB)
{
var xkbinfo = getLibInfo('libxkbfile');
for (ix in xkbinfo)
{
if (xkbinfo.length == 1 || xkbinfo[ix].hwcap == "0")
{
try
{
Object.defineProperty(this, 'Location_X11KB', { value: xkbinfo[ix].path });
break;
}
catch (ex)
{
}
}
}
try
{
if (process.env['Location_X11KB']) { Object.defineProperty(this, 'Location_X11KB', { value: process.env['Location_X11KB'] }); }
}
catch (xx)
{
}
}
};
}
if(process.platform == 'freebsd')
{
this._check = function _check()
{
var lib;
if(!this.Location_X11LIB)
{
if ((lib = require('lib-finder')('libX11')[0])) { Object.defineProperty(this, 'Location_X11LIB', { value: lib.location }); }
}
if(!this.Location_X11TST)
{
if ((lib = require('lib-finder')('libXtst')[0])) { Object.defineProperty(this, 'Location_X11TST', { value: lib.location }); }
}
if (!this.Location_X11EXT)
{
if ((lib = require('lib-finder')('libXext')[0])) { Object.defineProperty(this, 'Location_X11EXT', { value: lib.location }); }
}
if (!this.Location_X11FIXES)
{
if ((lib = require('lib-finder')('libXfixes')[0])) { Object.defineProperty(this, 'Location_X11FIXES', { value: lib.location }); }
}
}
}
if(process.platform == 'linux' || process.platform == 'freebsd')
{
require('events').EventEmitter.call(this, true).createEvent('kvmSupportDetected');
this.kvm_x11_serverFound = false;
this.MOTIF_FLAGS =
{
MWM_FUNC_ALL : (1 << 0) ,
MWM_FUNC_RESIZE : (1 << 1) ,
MWM_FUNC_MOVE : (1 << 2) ,
MWM_FUNC_MINIMIZE : (1 << 3) ,
MWM_FUNC_MAXIMIZE : (1 << 4) ,
MWM_FUNC_CLOSE : (1 << 5)
};
this._xtries = 0;
this._kvmcheck = function _kvmcheck()
{
var retry = false;
if (!(this.Location_X11LIB && this.Location_X11TST && this.Location_X11EXT))
{
this._check();
}
if (this.Location_X11LIB && this.Location_X11TST && this.Location_X11EXT)
{
if (!this._X11)
{
this._X11 = this._gm.CreateNativeProxy(this.Location_X11LIB);
this._X11.CreateMethod('XChangeProperty');
this._X11.CreateMethod('XChangeWindowAttributes');
this._X11.CreateMethod('XCloseDisplay');
this._X11.CreateMethod('XConnectionNumber');
this._X11.CreateMethod('XConvertSelection');
this._X11.CreateMethod('XCreateGC');
this._X11.CreateMethod('XCreateWindow');
this._X11.CreateMethod('XCreateSimpleWindow');
this._X11.CreateMethod('XDefaultColormap');
this._X11.CreateMethod('XDefaultScreen');
this._X11.CreateMethod('XDestroyWindow');
this._X11.CreateMethod('XDrawLine');
this._X11.CreateMethod('XDisplayHeight');
this._X11.CreateMethod('XDisplayWidth');
this._X11.CreateMethod('XFetchName');
this._X11.CreateMethod('XFlush');
this._X11.CreateMethod('XFree');
this._X11.CreateMethod('XCreateGC');
this._X11.CreateMethod('XGetAtomName');
this._X11.CreateMethod('XGetWindowProperty');
this._X11.CreateMethod('XKeysymToKeycode');
this._X11.CreateMethod('XInternAtom');
this._X11.CreateMethod('XMapWindow');
this._X11.CreateMethod({ method: 'XNextEvent', threadDispatch: true });
this._X11.CreateMethod({ method: 'XNextEvent', newName: 'XNextEventSync' });
this._X11.CreateMethod('XOpenDisplay');
this._X11.CreateMethod('XPending');
this._X11.CreateMethod('XRootWindow');
this._X11.CreateMethod('XSelectInput');
this._X11.CreateMethod('XScreenCount');
this._X11.CreateMethod('XScreenOfDisplay');
this._X11.CreateMethod('XSelectInput');
this._X11.CreateMethod('XSendEvent');
this._X11.CreateMethod('XSetForeground');
this._X11.CreateMethod('XSetFunction');
this._X11.CreateMethod('XSetLineAttributes');
this._X11.CreateMethod('XSetNormalHints');
this._X11.CreateMethod('XSetSelectionOwner');
this._X11.CreateMethod('XSetSubwindowMode');
this._X11.CreateMethod('XSetWMProtocols');
this._X11.CreateMethod('XStoreName');
this._X11.CreateMethod('XSync');
this._X11.CreateMethod('XBlackPixel');
this._X11.CreateMethod('XWhitePixel');
this._X11.CreateMethod('Xutf8SetWMProperties');
this._X11.CreateMethod('XDisplayKeycodes');
this._X11.CreateMethod('XGetKeyboardMapping');
this._X11.CreateMethod('XStringToKeysym');
this._X11.CreateMethod('XChangeKeyboardMapping');
}
var ch = require('child_process').execFile('/bin/sh', ['sh']);
ch.stderr.on('data', function () { });
ch.stdout.str = ''; ch.stdout.on('data', function (c) { this.str += c.toString(); });
if (process.platform == 'freebsd')
{
ch.stdin.write('ps -ax | grep X\nexit\n');
}
else
{
ch.stdin.write('ps -e | grep X\nexit\n');
}
ch.waitExit();
if (ch.stdout.str.trim() != '')
{
// X Server found
Object.defineProperty(this, 'kvm_x11_serverFound', { value: true });
this.emit('kvmSupportDetected', true);
}
else
{
retry = true;
}
}
else
{
retry = true;
}
if(retry && this._xtries++ < 18)
{
this._xtry = setTimeout(function (that) { that._kvmcheck.call(that); }, 10000, this);
}
};
this._kvmcheck();
Object.defineProperty(this, 'kvm_x11_support', { get: function () { return (this.kvm_x11_serverFound); } });
this.on('newListener', function (name, handler)
{
if (name == 'kvmSupportDetected' && this.kvm_x11_serverFound)
{
handler.call(this, true);
}
});
this.isUnity = function isUnity()
{
return (process.env['XDG_CURRENT_DESKTOP'] == 'Unity');
}
this.unDecorateWindow = function unDecorateWindow(display, window)
{
var MwmHints = this._gm.CreateVariable(40);
var mwmHintsProperty = this._X11.XInternAtom(display, this._gm.CreateVariable('_MOTIF_WM_HINTS'), 0);
MwmHints.Deref(0, 4).toBuffer().writeUInt32LE(1 << 1);
this._X11.XChangeProperty(display, window, mwmHintsProperty, mwmHintsProperty, 32, 0, MwmHints, 5);
}
this.setAllowedActions = function setAllowedActions(display, window, flags)
{
/*
MWM_HINTS_FUNCTIONS = (1L << 0),
MWM_HINTS_DECORATIONS = (1L << 1),
MWM_FUNC_ALL = (1L << 0),
MWM_FUNC_RESIZE = (1L << 1),
MWM_FUNC_MOVE = (1L << 2),
MWM_FUNC_MINIMIZE = (1L << 3),
MWM_FUNC_MAXIMIZE = (1L << 4),
MWM_FUNC_CLOSE = (1L << 5)
*/
var MwmHints = this._gm.CreateVariable(40);
var mwmHintsProperty = this._X11.XInternAtom(display, this._gm.CreateVariable('_MOTIF_WM_HINTS'), 0);
MwmHints.Deref(0, 4).toBuffer().writeUInt32LE(MWM_HINTS_FUNCTIONS);
MwmHints.Deref(this._gm.PointerSize, 4).toBuffer().writeUInt32LE(flags);
this._X11.XChangeProperty(display, window, mwmHintsProperty, mwmHintsProperty, 32, PropModeReplace, MwmHints, 5);
}
this.setWindowSizeHints = function setWindowSizeHints(display, window, x, y, width, height, minWidth, minHeight, maxWidth, maxHeight)
{
var sizeHints = this._gm.CreateVariable(80);
var spec = PPosition | PSize;
if (minWidth != null && minHeight != null) { spec |= PMinSize; }
if (maxWidth != null && maxHeight != null) { spec |= PMaxSize; }
sizeHints.Deref(0, 4).toBuffer().writeUInt32LE(spec);
sizeHints.Deref(this._gm.PointerSize, 4).toBuffer().writeUInt32LE(x);
sizeHints.Deref(this._gm.PointerSize + 4, 4).toBuffer().writeUInt32LE(y);
sizeHints.Deref(this._gm.PointerSize + 8, 4).toBuffer().writeUInt32LE(width);
sizeHints.Deref(this._gm.PointerSize + 12, 4).toBuffer().writeUInt32LE(height);
if (minWidth != null) { sizeHints.Deref(this._gm.PointerSize + 16, 4).toBuffer().writeUInt32LE(minWidth); }
if (minHeight != null) { sizeHints.Deref(this._gm.PointerSize + 20, 4).toBuffer().writeUInt32LE(minHeight); }
if (maxWidth != null) { sizeHints.Deref(this._gm.PointerSize + 24, 4).toBuffer().writeUInt32LE(maxWidth); }
if (maxHeight != null) { sizeHints.Deref(this._gm.PointerSize + 28, 4).toBuffer().writeUInt32LE(maxHeight); }
this._X11.XSetNormalHints(display, window, sizeHints);
}
this.setAlwaysOnTop = function setAlwaysOnTop(display, rootWindow, window)
{
var wmNetWmState = this._X11.XInternAtom(display, this._gm.CreateVariable('_NET_WM_STATE'), 1);
var wmStateAbove = this._X11.XInternAtom(display, this._gm.CreateVariable('_NET_WM_STATE_ABOVE'), 1);
var xclient = this._gm.CreateVariable(96);
xclient.Deref(0, 4).toBuffer().writeUInt32LE(33); // ClientMessage type
xclient.Deref(this._gm.PointerSize == 8 ? 48 : 24, 4).toBuffer().writeUInt32LE(32); // Format 32
wmNetWmState.pointerBuffer().copy(xclient.Deref(this._gm.PointerSize == 8 ? 40 : 20, this._gm.PointerSize).toBuffer()); // message_type
xclient.Deref(this._gm.PointerSize == 8 ? 56 : 28, this._gm.PointerSize).toBuffer().writeUInt32LE(_NET_WM_STATE_ADD); // data.l[0]
wmStateAbove.pointerBuffer().copy(xclient.Deref(this._gm.PointerSize == 8 ? 64 : 32, this._gm.PointerSize).toBuffer()); // data.l[1]
window.pointerBuffer().copy(xclient.Deref(this._gm.PointerSize == 8 ? 32 : 16, this._gm.PointerSize).toBuffer()); // window
this._X11.XSendEvent(display, rootWindow, 0, SubstructureRedirectMask | SubstructureNotifyMask, xclient);
}
this.hideWindowIcon = function hideWindowIcon(display, rootWindow, window)
{
var wmNetWmState = this._X11.XInternAtom(display, this._gm.CreateVariable('_NET_WM_STATE'), 1);
var wmStateSkip = this._X11.XInternAtom(display, this._gm.CreateVariable('_NET_WM_STATE_SKIP_TASKBAR'), 1);
var xclient = this._gm.CreateVariable(96);
xclient.Deref(0, 4).toBuffer().writeUInt32LE(33); // ClientMessage type
xclient.Deref(this._gm.PointerSize==8?48:24, 4).toBuffer().writeUInt32LE(32); // Format 32
wmNetWmState.pointerBuffer().copy(xclient.Deref(this._gm.PointerSize==8?40:20, this._gm.PointerSize).toBuffer()); // message_type
xclient.Deref(this._gm.PointerSize==8?56:28, this._gm.PointerSize).toBuffer().writeUInt32LE(_NET_WM_STATE_ADD); // data.l[0]
wmStateSkip.pointerBuffer().copy(xclient.Deref(this._gm.PointerSize==8?64:32, this._gm.PointerSize).toBuffer()); // data.l[1]
window.pointerBuffer().copy(xclient.Deref(this._gm.PointerSize==8?32:16, this._gm.PointerSize).toBuffer()); // window
this._X11.XSendEvent(display, rootWindow, 0, SubstructureRedirectMask | SubstructureNotifyMask, xclient);
}
this.getInfo = function getInfo()
{
var info = this;
var ret = new promise(function (res, rej) { this._res = res; this._rej = rej; });
ret.parent = this;
if (!process.env.XAUTHORITY || !process.env.DISPLAY)
{
var xinfo = this.getXInfo(require('user-sessions').getUid(require('user-sessions').whoami()));
process.setenv('XAUTHORITY', xinfo.xauthority);
process.setenv('DISPLAY', xinfo.display);
}
var display = info._X11.XOpenDisplay(info._gm.CreateVariable(process.env.DISPLAY));
if (display.Val == 0)
{
require('fs').writeFileSync('/var/tmp/agentSlave', 'XOpenDisplay Failed', { flags: 'a' });
ret._rej('XOpenDisplay Failed');
return (ret);
}
var screenCount = info._X11.XScreenCount(display).Val;
var ifo = [];
for(var i=0;i<screenCount;++i)
{
var screen = info._X11.XScreenOfDisplay(display, i);
ifo.push({ left: 0, top: 0, right: info._X11.XDisplayWidth(display, i).Val, bottom: info._X11.XDisplayHeight(display, i).Val, screen: screen, screenId: i, display: display });
}
if (i > 0)
{
addWorkspaceHandler(display, info._X11);
}
ret._res(ifo);
return (ret);
}
function xinfo_xdm(info, uid)
{
if (process.platform != 'linux') { return(info); }
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = '';
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write("ps -e -o uid -o cmd | grep X | grep " + uid + " | tr '\\n' '`' | awk '{ xl=split($2,x,\"/\"); print x[xl]; }'\nexit\n");
child.waitExit();
if(child.stdout.str.trim() != '')
{
if (info == null) { info = {}; }
info.xdm = child.stdout.str.trim().toLowerCase();
}
return (info);
}
this.getXInfo = function getXInfo(consoleuid)
{
var ret = null;
var uname = require('user-sessions').getUsername(consoleuid);
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = '';
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write("ps " + (process.platform == 'freebsd' ? "-ax " : "") + "-e -o uid -o tty -o command | grep X | ");
child.stdin.write("awk '{ ");
child.stdin.write(' display="";');
child.stdin.write(' if($4~/^:/)');
child.stdin.write(' {');
child.stdin.write(' display=$4;');
child.stdin.write(' }');
child.stdin.write(' match($0, /-auth .+/);');
child.stdin.write(' split(substr($0,RSTART+6,RLENGTH-6), _authtok, " ");');
child.stdin.write(' _auth = _authtok[1];');
//child.stdin.write(' _auth = substr($0,RSTART+6,RLENGTH-6);');
child.stdin.write(' if($1=="' + consoleuid + '" && _auth!="")');
child.stdin.write(" {");
child.stdin.write(" printf \"%s,%s,%s,%s\",$1,$2,_auth,display;");
child.stdin.write(" }");
child.stdin.write(" }'\nexit\n");
child.waitExit();
var tokens = child.stdout.str.trim().split(',');
console.info1(JSON.stringify(tokens));
if (tokens.length == 4)
{
ret = { tty: tokens[1], xauthority: tokens[2], display: tokens[3], exportEnv: exportEnv };
console.info1('ret => ' + JSON.stringify(ret));
}
if (ret == null)
{
// This Linux Distro does not spawn an XServer instance in the user session, that specifies the XAUTHORITY.
if (process.platform == 'linux' && require('user-sessions').hasLoginCtl)
{
child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stderr.str = ''; child.stderr.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write("loginctl list-sessions | tr '\\n' '`' | awk '{");
child.stdin.write('printf "[";');
child.stdin.write('del="";');
child.stdin.write('n=split($0, lines, "`");');
child.stdin.write('for(i=1;i<n;++i)');
child.stdin.write('{');
child.stdin.write(' split(lines[i], tok, " ");');
child.stdin.write(' if((tok[2]+0)==' + consoleuid + ')');
child.stdin.write(' {');
child.stdin.write(' if(tok[4]=="") { continue; }');
child.stdin.write(' printf "%s{\\"Username\\": \\"%s\\", \\"SessionId\\": \\"%s\\", \\"State\\": \\"Online\\", \\"uid\\": \\"%s\\", \\"tty\\": \\"%s\\"}", del, tok[3], tok[1], tok[2], tok[5];');
child.stdin.write(' del=",";');
child.stdin.write(' }');
child.stdin.write('}');
child.stdin.write('printf "]";');
child.stdin.write("}'\nexit\n");
child.waitExit();
console.info1('loginctl => ' + child.stdout.str);
var info1 = JSON.parse(child.stdout.str);
var sids = [];
var ttys = [];
var i;
for (i = 0; i < info1.length; ++i)
{
sids.push(info1[i].SessionId);
if (info1[i].tty != '') { ttys.push(info1[i].tty); }
}
child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stderr.str = ''; child.stderr.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write("loginctl show-session -p State -p Display " + sids.join(' ') + " | tr '\\n' '`' | awk '{");
child.stdin.write(' len=split($0,tok,"``");');
child.stdin.write(' for(n=1;n<=len;++n)');
child.stdin.write(' {');
child.stdin.write(' len2=split(tok[n],val,"`");');
child.stdin.write(' display="";');
child.stdin.write(' active="";');
child.stdin.write(' for(i=1;i<=len2;++i)');
child.stdin.write(' {');
child.stdin.write(' if(val[i] ~ /^Display=/)');
child.stdin.write(' {');
child.stdin.write(' gsub(/^Display=/,"",val[i]);');
child.stdin.write(' display=val[i];');
child.stdin.write(' }');
child.stdin.write(' if(val[i] ~ /^State=/)');
child.stdin.write(' {');
child.stdin.write(' gsub(/^State=/,"",val[i]);');
child.stdin.write(' active=val[i];');
child.stdin.write(' }');
child.stdin.write(' }');
child.stdin.write(' if(active=="active") { print display; break; }');
child.stdin.write(' }');
child.stdin.write("}'\nexit\n");
child.waitExit();
ret = { tty: '?', xauthority: (require('user-sessions').getHomeFolder(consoleuid) + '/.Xauthority').split('//').join('/'), display: child.stdout.str.trim(), exportEnv: exportEnv };
if (!require('fs').existsSync(ret.xauthority))
{
console.info1(ret.xauthority + ' => DOES NOT EXIST');
child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stderr.str = ''; child.stderr.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write('loginctl session-status ' + sids.join(' ') + " | tr '\\n' '`' | awk '{");
child.stdin.write('len=split($0,X,"`");');
child.stdin.write('Z="";');
child.stdin.write('printf "[";');
child.stdin.write('for(i=1;i<=len;++i)');
child.stdin.write('{');
child.stdin.write(' if(X[i]~/^.+├─/)');
child.stdin.write(' {');
child.stdin.write(' gsub(/^.+├─/,"",X[i]);');
child.stdin.write(' split(X[i],VAL," ");');
child.stdin.write(' printf "%s%s",Z,VAL[1];');
child.stdin.write(' Z=",";');
child.stdin.write(' }');
child.stdin.write('}');
child.stdin.write('printf "]";');
child.stdin.write("}'\nexit\n");
child.waitExit();
var pids = null;
try
{
pids = JSON.parse(child.stdout.str);
}
catch(z)
{
}
console.info1('Detected PIDS => ' + JSON.stringify(pids));
if (pids != null)
{
var e, i;
for (i in pids)
{
e = require('user-sessions').getEnvFromPid(pids[i]);
if (e.XAUTHORITY)
{
ret.xauthority = e.XAUTHORITY;
console.info1(' => Setting Xauthority: ' + e.XAUTHORITY + ' from PID: ' + pids[i]);
break;
}
}
}
// Still no Xauthority found, so lets check the system location for lightdm
if(require('fs').existsSync('/run/lightdm/' + uname + '/xauthority'))
{
ret.xauthority = '/run/lightdm/' + uname + '/xauthority';
}
if(consoleuid == require('user-sessions').gdmUid && require('fs').existsSync('/run/sddm'))
{
var info;
var files = require('fs').readdirSync('/run/sddm');
var gdmuid = require('user-sessions').gdmUid;
for(var i=0;i<files.length;++i)
{
info = require('fs').statSync('/run/sddm/' + files[i]);
if(info.uid == gdmuid)
{
ret.xauthority = '/run/sddm/' + files[i];
break;
}
}
}
}
if (ret.display == '' && ttys.length > 0)
{
// We need to find $DISPLAY by looking at all the processes running on the same tty as the XServer instance for this user session
while (ttys.length > 0)
{
var tty = ttys.pop();
child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = '';
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write("ps -e -o tty -o pid -o uid | grep " + tty + " | grep " + consoleuid + " | awk '{ print $2 }' \nexit\n");
child.waitExit();
var lines = child.stdout.str.split('\n');
var ps, psx, v, vs = 0;
for (var x in lines)
{
if (lines[x].trim().length > 0)
{
try
{
ps = require('fs').readFileSync('/proc/' + lines[x].trim() + '/environ');
}
catch (pse)
{
continue;
}
vs = 0;
for (psx = 0; psx < ps.length; ++psx)
{
if (ps[psx] == 0)
{
v = ps.slice(vs, psx).toString().split('=');
if (v[0] == 'DISPLAY')
{
ret.display = v[1];
ret.tty = tty;
return (xinfo_xdm(ret, consoleuid));
}
vs = psx + 1;
}
}
}
}
}
}
return (xinfo_xdm(ret, consoleuid));
}
// So we're going to brute force it, by enumerating all processes owned by this user, and inspect the environment variables
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = '';
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write("ps " + (process.platform=='freebsd'?"-ax ":"") + "-e -o pid -o user | grep \" " + uname + "$\" | awk '{ print $1 }'\nexit\n");
child.waitExit();
var lines = child.stdout.str.split('\n');
for(var n in lines)
{
var ln = lines[n].trim();
if(ln.length>0)
{
var e = require('user-sessions').getEnvFromPid(ln);
if(e.XAUTHORITY && e.DISPLAY)
{
ret = { tty: '?', xauthority: e.XAUTHORITY, display: e.DISPLAY, exportEnv: exportEnv };
return (xinfo_xdm(ret, consoleuid));
}
}
}
if(ret == null)
{
// We couldn't find XAUTHORITY and DISPLAY, so as a last ditch effort, lets just look for DISPLAY
for (var n in lines)
{
var ln = lines[n].trim();
if (ln.length > 0)
{
var e = require('user-sessions').getEnvFromPid(ln);
if (e.DISPLAY)
{
ret = { tty: '?', display: e.DISPLAY, exportEnv: exportEnv };
return (xinfo_xdm(ret, consoleuid));
}
}
}
}
}
else if(ret.display == null || ret.display === '')
{
// We need to find $DISPLAY by looking at all the processes running on the same tty as the XServer instance for this user session
child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = '';
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write("ps -e -o tty -o pid -o user:9999 | grep " + ret.tty + " | grep " + uname + " | awk '{ print $2 }' \nexit\n");
child.waitExit();
var lines = child.stdout.str.split('\n');
var ps, psx, v, vs = 0;
for(var x in lines)
{
if(lines[x].trim().length>0)
{
try
{
ps = require('fs').readFileSync('/proc/' + lines[x].trim() + '/environ');
}
catch(pse)
{
continue;
}
vs = 0;
for(psx=0;psx<ps.length;++psx)
{
if (ps[psx] == 0)
{
if (psx == 0) { continue; }
v = ps.slice(vs, psx).toString().split('=');
if (v[0] == 'DISPLAY')
{
ret.display = v[1];
return (xinfo_xdm(ret, consoleuid));
}
vs = psx + 1;
}
}
}
}
}
return (xinfo_xdm(ret, consoleuid));
};
}
}
function exportEnv()
{
var r =
{
XAUTHORITY: this.xauthority?this.xauthority:"", DISPLAY: this.display,
Location_X11LIB: require('monitor-info').Location_X11LIB,
Location_X11TST: require('monitor-info').Location_X11TST,
Location_X11EXT: require('monitor-info').Location_X11EXT,
Location_X11FIXES: require('monitor-info').Location_X11FIXES
};
return (r);
}
function workspaceSetup(oldV)
{
var GM = require('_GenericMarshal');
Object.defineProperty(oldV, "_setup", { value: true });
var v = oldV._X11.XOpenDisplay(GM.CreateVariable(process.env.DISPLAY));
v._X11 = oldV._X11;
v.parent = oldV;
v.on('~', function ()
{
v._X11.XCloseDisplay(v);
});
Object.defineProperty(oldV, "_v2", { value: v });
Object.defineProperty(v, "_ROOTWIN", { value: v._X11.XRootWindow(v, 0) });
Object.defineProperty(v, "_ACTIVE_DESKTOP", { value: v._X11.XInternAtom(v, GM.CreateVariable('_NET_CURRENT_DESKTOP'), 0) });
var mask = GM.CreateVariable(GM.PointerSize == 8 ? 112 : 60);
mask.Deref(GM.PointerSize == 8 ? 72 : 40, 4).toBuffer().writeUInt32LE(PropertyChangeMask);
v._X11.XChangeWindowAttributes(v, v._ROOTWIN, CWEventMask, mask);
v._X11.XSync(v, 0);
v._DescriptorEvent = require('DescriptorEvents').addDescriptor(v._X11.XConnectionNumber(v).Val, { readset: true });
v._DescriptorEvent._display = v;
v._DescriptorEvent.on('readset', function (fd)
{
var XE = require('_GenericMarshal').CreateVariable(1024);
while (this._display._X11.XPending(this._display).Val)
{
this._display._X11.XNextEventSync(this._display, XE);
switch (XE.Deref(0, 4).toBuffer().readUInt32LE())
{
case PropertyNotify:
if (XE.Deref(require('_GenericMarshal').PointerSize == 8 ? 40 : 20, 4).toBuffer().readUInt32LE() == this._display._ACTIVE_DESKTOP.Val)
{
this._display.parent.emit('workspaceChanged', this._display.parent.getCurrentWorkspace());
}
break;
default:
break;
}
}
});
}
function addWorkspaceHandler(v,X11)
{
if (!v._X11) { Object.defineProperty(v, "_X11", { value: X11 }); }
require('events').EventEmitter.call(v, true)
.createEvent('workspaceChanged');
v.on('newListener', function (name, handler)
{
if (name != 'workspaceChanged' || this._setup) { return; }
workspaceSetup(v);
});
v.getCurrentWorkspace = function getCurrentWorkspace()
{
if (!this._setup) { workspaceSetup(this); }
var GM = require('_GenericMarshal');
var id = GM.CreatePointer();
var bits = GM.CreatePointer();
var sz = GM.CreatePointer();
var tail = GM.CreatePointer();
var result = GM.CreatePointer();
this._X11.XGetWindowProperty(this._v2, this._v2._ROOTWIN, this._v2._ACTIVE_DESKTOP, 0, 64, 0, AnyPropertyType, id, bits, sz, tail, result);
if (sz.Deref().Val > 0)
{
return (result.Deref().Deref(0, 4).toBuffer().readUInt32LE());
}
else
{
throw ('Error fetching current workspace');
}
}
}
if (process.platform != 'darwin')
{
module.exports = new monitorinfo();
}
if (process.platform == 'linux' || process.platform == 'freebsd')
{
module.exports.getLibInfo = getLibInfo;
}