359 lines
14 KiB
JavaScript
359 lines
14 KiB
JavaScript
/*
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Copyright 2018 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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try { Object.defineProperty(Array.prototype, "peek", { value: function () { return (this.length > 0 ? this[this.length - 1] : undefined); } }); } catch (e) { }
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try { Object.defineProperty(String.prototype, "replaceAll", { value: function replaceAll(oldVal, newVal) { return (this.split(oldVal).join(newVal)); } }); } catch (e) { }
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var RSMB = 1381190978;
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var memoryLocation = { 0x1: 'Other', 0x2: 'Unknown', 0x3: 'System Board', 0x4: 'ISA', 0x5: 'EISA', 0x6: 'PCI', 0x7: 'MCA', 0x8: 'PCMCIA', 0x9: 'Proprietary', 0xA: 'NuBus', 0xA0: 'PC-98/C20', 0xA1: 'PC-98/C24', 0xA2: 'PC-98/E', 0xA3: 'PC-98/LB' };
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var wakeReason = ['Reserved', 'Other', 'Unknown', 'APM Timer', 'Modem Ring', 'LAN', 'Power Switch', 'PCI', 'AC Power'];
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// Fill the left with zeros until the string is of a given length
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function zeroLeftPad(str, len)
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{
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if ((len == null) && (typeof (len) != 'number')) { return null; }
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if (str == null) str = ''; // If null, this is to generate zero leftpad string
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var zlp = '';
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for (var i = 0; i < len - str.length; i++) { zlp += '0'; }
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return zlp + str;
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}
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function SMBiosTables()
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{
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this._ObjectID = 'SMBiosTable';
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if (process.platform == 'win32') {
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this._marshal = require('_GenericMarshal');
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this._native = this._marshal.CreateNativeProxy("Kernel32.dll");
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this._native.CreateMethod('EnumSystemFirmwareTables');
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this._native.CreateMethod('GetSystemFirmwareTable');
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}
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if (process.platform == 'linux') {
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this._canonicalizeData = function _canonicalizeData(data) {
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var lines = data.toString().split('Header and Data:\x0A');
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var MemoryStream = require('MemoryStream');
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var ms = new MemoryStream();
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for (var i = 1; i < lines.length; ++i) {
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var tokens = lines[i].split('Strings:\x0A');
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var header = tokens[0].split('\x0A\x0A')[0].replaceAll('\x0A', '').trim().replaceAll(' ', '').replaceAll('\x09', '');
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ms.write(Buffer.from(header, 'hex'));
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if (tokens.length > 1) {
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var strings = tokens[1].split('\x0A\x0A')[0].split('\x0A');
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var stringsFinal = [];
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for (var strx in strings) {
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var tmp = strings[strx].trim().replaceAll(' ', '').replaceAll('\x09', '');
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if (!(tmp[0] == '"')) { stringsFinal.push(tmp); }
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}
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ms.write(Buffer.from(stringsFinal.join(''), 'hex'));
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ms.write(Buffer.from('00', 'hex'));
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}
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else {
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ms.write(Buffer.from('0000', 'hex'));
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}
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}
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var retVal = ms.buffer;
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retVal.ms = ms;
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return (retVal);
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};
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}
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this._parse = function _parse(SMData) {
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var ret = {};
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var pbyte;
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var i = 0
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var SMData;
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var structcount = 0;
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while (SMData && i < SMData.length)
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{
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var SMtype = SMData[i];
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var SMlength = SMData[i + 1];
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if (!ret[SMtype]) { ret[SMtype] = []; }
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ret[SMtype].push(SMData.slice(i + 4, i + SMlength));
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if (process.platform == 'win32') { ret[SMtype].peek()._ext = pbyte; }
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i += SMlength;
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ret[SMtype].peek()._strings = [];
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while (SMData[i] != 0 && i <= SMData.length)
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{
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var strstart = i;
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// Start of String, find end of string
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while (SMData[i++] != 0 && i <= SMData.length);
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try
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{
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ret[SMtype].peek()._strings.push(SMData.slice(strstart, i).toString().trim());
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}
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catch (ee)
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{
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}
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}
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i += (ret[SMtype].peek()._strings.length == 0) ? 2 : 1;
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++structcount;
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//console.log('End of Table[' + SMtype + ']: ' + i);
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}
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//console.log('Struct Count = ' + structcount);
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return (ret);
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};
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this.get = function get(callback) {
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if (process.platform == 'win32') {
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var size = this._native.GetSystemFirmwareTable(RSMB, 0, 0, 0).Val;
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//console.log('Table Size: ' + size);
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var PtrSize = this._marshal.CreatePointer()._size;
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var buffer = this._marshal.CreateVariable(size);
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var written = this._native.GetSystemFirmwareTable(RSMB, 0, buffer, size).Val;
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//console.log('Written Size: ' + written);
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var rawBuffer = buffer.toBuffer();
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var length = buffer.Deref(4, 4).toBuffer().readUInt32LE(0);
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pbyte = buffer.Deref(8, length);
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SMData = pbyte.toBuffer();
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if (callback) { callback.apply(this, [this._parse(SMData)]); return; } else { return (this._parse(SMData)); }
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}
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if (process.platform == 'linux') {
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var MemoryStream = require('MemoryStream');
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this.child = require('child_process').execFile('/usr/sbin/dmidecode', ['dmidecode', '-u']);
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this.child.SMBiosTable = this;
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this.child.ms = new MemoryStream();
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this.child.ms.callback = callback;
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this.child.ms.child = this.child;
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this.child.stdout.on('data', function (buffer) { this.parent.ms.write(buffer); });
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this.child.on('exit', function () { this.ms.end(); });
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this.child.ms.on('end', function () {
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//console.log('read ' + this.buffer.length + ' bytes');
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if (this.buffer.length < 300) {
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//console.log('Not enough permission to read SMBiosTable');
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if (this.callback) { this.callback.apply(this.child.SMBiosTable, []); }
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}
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else {
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var SMData = this.child.SMBiosTable._canonicalizeData(this.buffer);
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var j = this.child.SMBiosTable._parse(SMData);
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if (this.callback) { this.callback.apply(this.child.SMBiosTable, [j]); }
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}
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});
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return;
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}
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if (callback) { callback.apply(this, [null]); return; } else { return (null); }
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};
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this.parse = function parse(data) {
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var r = {};
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try
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{
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r.processorInfo = this.processorInfo(data);
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}
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catch(e)
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{
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}
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try
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{
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r.memoryInfo = this.memoryInfo(data);
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}
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catch(e)
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{
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}
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try
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{
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r.systemInfo = this.systemInfo(data);
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}
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catch(e)
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{
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}
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try
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{
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r.systemSlots = this.systemInfo(data);
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}
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catch(e)
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{
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}
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try
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{
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r.amtInfo = this.amtInfo(data);
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}
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catch(e)
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{
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}
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try
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{
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if (JSON.stringify(r).length > 65535) { r = {}; }
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}
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catch(ee)
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{}
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return r;
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}
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this.processorInfo = function processorInfo(data) {
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if (!data) { throw ('no data'); }
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var ret = [];
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var ptype = ['ERROR', 'Other', 'Unknown', 'CPU', 'ALU', 'DSP', 'GPU'];
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var statusString = ['Unknown', 'Enabled', 'Disabled by user', 'Disabled by BIOS', 'Idle', 'Reserved', 'Reserved', 'Other'];
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var cpuid = 0;
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while (data[4] && data[4].length > 0) {
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var p = data[4].pop();
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var populated = p[20] & 0x40;
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var status = p[20] & 0x07
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if (populated) {
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var j = { _ObjectID: 'SMBiosTables.processorInfo' };
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j.Processor = ptype[p[1]];
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j.MaxSpeed = p.readUInt16LE(16) + ' Mhz';
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if (p[31]) { j.Cores = p[31]; }
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if (p[33]) { j.Threads = p[33]; }
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j.Populated = 1;
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j.Status = statusString[status];
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j.Socket = p._strings[p[0] - 1];
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j.Manufacturer = p._strings[p[3] - 1];
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j.Version = p._strings[p[12] - 1];
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ret.push(j);
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}
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}
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return (ret);
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};
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this.memoryInfo = function memoryInfo(data) {
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if (!data) { throw ('no data'); }
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var retVal = { _ObjectID: 'SMBiosTables.memoryInfo' };
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if (data[16]) {
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var m = data[16].peek();
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retVal.location = memoryLocation[m[0]];
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if ((retVal.maxCapacityKb = m.readUInt32LE(3)) == 0x80000000) {
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retVal.maxCapacityKb = 'A really big number';
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}
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}
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return (retVal);
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};
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this.systemInfo = function systemInfo(data)
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{
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if (!data) { throw ('no data'); }
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var retVal = { _ObjectID: 'SMBiosTables.systemInfo' };
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if (data[1])
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{
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var si = data[1].peek();
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var uuid = si.slice(4, 20);
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retVal.uuid = [zeroLeftPad(uuid.readUInt32LE(0).toString(16), 8),
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zeroLeftPad(uuid.readUInt16LE(4).toString(16), 4),
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zeroLeftPad(uuid.readUInt16LE(6).toString(16), 4),
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zeroLeftPad(uuid.readUInt16BE(8).toString(16), 4),
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zeroLeftPad(uuid.slice(10).toString('hex').toLowerCase(), 12)].join('-');
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retVal.wakeReason = wakeReason[si[20]];
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}
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return (retVal);
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};
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this.systemSlots = function systemSlots(data) {
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if (!data) { throw ('no data'); }
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var retVal = [];
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if (data[9]) {
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while (data[9].length > 0) {
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var ss = data[9].pop();
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retVal.push({ name: ss._strings[ss[0] - 1] });
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}
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}
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return (retVal);
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};
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this.amtInfo = function amtInfo(data) {
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if (!data) { throw ('no data'); }
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var retVal = { AMT: false };
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if (data[130] && data[130].peek().slice(0, 4).toString() == '$AMT')
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{
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var amt = data[130].peek();
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retVal.AMT = amt[4] ? true : false;
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if (retVal.AMT)
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{
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retVal.enabled = amt[5] ? true : false;
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retVal.storageRedirection = amt[6] ? true : false;
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retVal.serialOverLan = amt[7] ? true : false;
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retVal.kvm = amt[14] ? true : false;
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if (data[131].peek() && data[131].peek().slice(52, 56).toString() == 'vPro')
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{
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var settings = data[131].peek();
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if (settings[0] & 0x04) { retVal.TXT = (settings[0] & 0x08) ? true : false; }
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if (settings[0] & 0x10) { retVal.VMX = (settings[0] & 0x20) ? true : false; }
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retVal.MEBX = settings.readUInt16LE(4).toString() + '.' + settings.readUInt16LE(6).toString() + '.' + settings.readUInt16LE(8).toString() + '.' + settings.readUInt16LE(10).toString();
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var mecap = settings.slice(20, 32);
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retVal.ManagementEngine = mecap.readUInt16LE(6).toString() + '.' + mecap.readUInt16LE(4).toString() + '.' + mecap.readUInt16LE(10).toString() + '.' + mecap.readUInt16LE(8).toString();
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//var lan = settings.slice(36, 48);
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//console.log(lan.toString('hex'));
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//retVal.LAN = (lan.readUInt16LE(10) & 0x03).toString() + '/' + ((lan.readUInt16LE(10) & 0xF8) >> 3).toString();
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//console.log(lan.readUInt16LE(3));
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//retVal.WLAN = (lan.readUInt16LE(3) & 0x07).toString() + '/' + ((lan.readUInt16LE(3) & 0xF8) >> 3).toString() + '/' + (lan.readUInt16LE(3) >> 8).toString();
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}
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}
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}
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if (!retVal.AMT)
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{
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if (data[131].peek() && data[131].peek().slice(52, 56).toString() == 'vPro')
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{
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var settings = data[131].peek();
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if ((settings[20] & 0x08) == 0x08) { retVal.AMT = true; }
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}
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}
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return (retVal);
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};
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this.smTableTypes = {
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0: 'BIOS information',
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1: 'System information',
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2: 'Baseboard (or Module) information',
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4: 'Processor information',
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5: 'memory controller information',
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6: 'Memory module information',
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7: 'Cache information',
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8: 'Port connector information',
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9: 'System slots',
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10: 'On board devices information',
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11: 'OEM strings',
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12: 'System configuration options',
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13: 'BIOS language information',
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14: 'Group associations',
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15: 'System event log',
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16: 'Physical memory array',
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17: 'Memory device',
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18: '32bit memory error information',
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19: 'Memory array mapped address',
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20: 'Memory device mapped address',
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21: 'Built-in pointing device',
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22: 'Portable battery',
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23: 'System reset',
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24: 'Hardware security',
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25: 'System power controls',
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26: 'Voltage probe',
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27: 'Cooling device',
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28: 'Temperature probe',
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29: 'Electrical current probe',
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30: 'Out-of-band remote access',
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31: 'Boot integrity services (BIS) entry point',
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32: 'System boot information',
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33: '64bit memory error information',
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34: 'Management device',
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35: 'Management device component',
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36: 'Management device threshold data',
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37: 'Memory channel',
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38: 'IPMI device information',
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39: 'System power supply',
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40: 'Additional information',
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41: 'Onboard devices extended information',
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42: 'Management controller host interface',
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126: 'Inactive',
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127: 'End-of-table'
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}
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}
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module.exports = new SMBiosTables(); |