moel@370: /*
moel@370:  
moel@370:   This Source Code Form is subject to the terms of the Mozilla Public
moel@370:   License, v. 2.0. If a copy of the MPL was not distributed with this
moel@370:   file, You can obtain one at http://mozilla.org/MPL/2.0/.
moel@370:  
moel@370:   Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
moel@370: 	
moel@370: */
moel@370: 
moel@370: using System;
moel@370: using System.Collections.Generic;
moel@370: using System.IO;
moel@370: using System.Management;
moel@370: using System.Text;
moel@370: 
moel@370: namespace OpenHardwareMonitor.Hardware {
moel@370: 
moel@370:   internal class SMBIOS {
moel@370: 
moel@370:     private readonly byte[] raw;
moel@370:     private readonly Structure[] table;
moel@370: 
moel@370:     private readonly Version version;
moel@370:     private readonly BIOSInformation biosInformation;
moel@370:     private readonly SystemInformation systemInformation;
moel@370:     private readonly BaseBoardInformation baseBoardInformation;
moel@370:     private readonly MemoryDevice[] memoryDevices;
moel@370: 
moel@370:     private static string ReadSysFS(string path) {
moel@370:       try {
moel@370:         if (File.Exists(path)) {
moel@370:           using (StreamReader reader = new StreamReader(path)) 
moel@370:             return reader.ReadLine();
moel@370:         } else {
moel@370:           return null;
moel@370:         }
moel@370:       } catch {
moel@370:         return null;
moel@370:       }
moel@370:     }
moel@370:     
moel@370:     public SMBIOS() {
moel@370:       int p = (int)Environment.OSVersion.Platform;
moel@370:       if ((p == 4) || (p == 128)) {
moel@370:         this.raw = null;
moel@370:         this.table = null;
moel@370:         
moel@370:         string boardVendor = ReadSysFS("/sys/class/dmi/id/board_vendor");
moel@370:         string boardName = ReadSysFS("/sys/class/dmi/id/board_name");        
moel@370:         string boardVersion = ReadSysFS("/sys/class/dmi/id/board_version");        
moel@370:         this.baseBoardInformation = new BaseBoardInformation(
moel@370:           boardVendor, boardName, boardVersion, null);
moel@370: 
moel@370:         string systemVendor = ReadSysFS("/sys/class/dmi/id/sys_vendor");
moel@370:         string productName = ReadSysFS("/sys/class/dmi/id/product_name");
moel@370:         string productVersion = ReadSysFS("/sys/class/dmi/id/product_version");    
moel@370:         this.systemInformation = new SystemInformation(systemVendor, 
moel@370:           productName, productVersion, null, null);
moel@370: 
moel@370:         string biosVendor = ReadSysFS("/sys/class/dmi/id/bios_vendor");
moel@370:         string biosVersion = ReadSysFS("/sys/class/dmi/id/bios_version");
moel@370:         this.biosInformation = new BIOSInformation(biosVendor, biosVersion);
moel@370: 
moel@370:         this.memoryDevices = new MemoryDevice[0];
moel@370:       } else {              
moel@370:         List<Structure> structureList = new List<Structure>();
moel@370:         List<MemoryDevice> memoryDeviceList = new List<MemoryDevice>();
moel@370: 
moel@370:         raw = null;
moel@370:         byte majorVersion = 0;
moel@370:         byte minorVersion = 0;
moel@370:         try {
moel@370:           ManagementObjectCollection collection;
moel@370:           using (ManagementObjectSearcher searcher = 
moel@370:             new ManagementObjectSearcher("root\\WMI", 
moel@370:               "SELECT * FROM MSSMBios_RawSMBiosTables")) {
moel@370:             collection = searcher.Get();
moel@370:           }
moel@370:          
moel@370:           foreach (ManagementObject mo in collection) {
moel@370:             raw = (byte[])mo["SMBiosData"];
moel@370:             majorVersion = (byte)mo["SmbiosMajorVersion"];
moel@370:             minorVersion = (byte)mo["SmbiosMinorVersion"];            
moel@370:             break;
moel@370:           }
moel@370:         } catch { }
moel@370: 
moel@370:         if (majorVersion > 0 || minorVersion > 0)
moel@370:           version = new Version(majorVersion, minorVersion);
moel@370:   
moel@370:         if (raw != null && raw.Length > 0) {
moel@370:           int offset = 0;
moel@370:           byte type = raw[offset];
moel@370:           while (offset + 4 < raw.Length && type != 127) {
moel@370:   
moel@370:             type = raw[offset];
moel@370:             int length = raw[offset + 1];
moel@370:             ushort handle = (ushort)((raw[offset + 2] << 8) | raw[offset + 3]);
moel@370:   
moel@370:             if (offset + length > raw.Length)
moel@370:               break;
moel@370:             byte[] data = new byte[length];
moel@370:             Array.Copy(raw, offset, data, 0, length);
moel@370:             offset += length;
moel@370:   
moel@370:             List<string> stringsList = new List<string>();
moel@370:             if (offset < raw.Length && raw[offset] == 0)
moel@370:               offset++;
moel@370:   
moel@370:             while (offset < raw.Length && raw[offset] != 0) {
moel@370:               StringBuilder sb = new StringBuilder();
moel@370:               while (offset < raw.Length && raw[offset] != 0) {
moel@370:                 sb.Append((char)raw[offset]); offset++;
moel@370:               }
moel@370:               offset++;
moel@370:               stringsList.Add(sb.ToString());
moel@370:             }
moel@370:             offset++;
moel@370:             switch (type) {
moel@370:               case 0x00:
moel@370:                 this.biosInformation = new BIOSInformation(
moel@370:                   type, handle, data, stringsList.ToArray());
moel@370:                 structureList.Add(this.biosInformation); break;
moel@370:               case 0x01:
moel@370:                 this.systemInformation = new SystemInformation(
moel@370:                   type, handle, data, stringsList.ToArray());
moel@370:                 structureList.Add(this.systemInformation); break;
moel@370:               case 0x02: this.baseBoardInformation = new BaseBoardInformation(
moel@370:                   type, handle, data, stringsList.ToArray());
moel@370:                 structureList.Add(this.baseBoardInformation); break;
moel@370:               case 0x11: MemoryDevice m = new MemoryDevice(
moel@370:                   type, handle, data, stringsList.ToArray());
moel@370:                 memoryDeviceList.Add(m);
moel@370:                 structureList.Add(m); break;
moel@370:               default: structureList.Add(new Structure(
moel@370:                 type, handle, data, stringsList.ToArray())); break;
moel@370:             }
moel@370:           }
moel@370:         }
moel@370: 
moel@370:         memoryDevices = memoryDeviceList.ToArray();
moel@370:         table = structureList.ToArray();
moel@370:       }
moel@370:     }
moel@370: 
moel@370:     public string GetReport() {
moel@370:       StringBuilder r = new StringBuilder();
moel@370: 
moel@370:       if (version != null) {
moel@370:         r.Append("SMBIOS Version: "); r.AppendLine(version.ToString(2));
moel@370:         r.AppendLine();
moel@370:       }
moel@370: 
moel@370:       if (BIOS != null) {
moel@370:         r.Append("BIOS Vendor: "); r.AppendLine(BIOS.Vendor);
moel@370:         r.Append("BIOS Version: "); r.AppendLine(BIOS.Version);
moel@370:         r.AppendLine();
moel@370:       }
moel@370: 
moel@370:       if (System != null) {
moel@370:         r.Append("System Manufacturer: ");
moel@370:         r.AppendLine(System.ManufacturerName);
moel@370:         r.Append("System Name: ");
moel@370:         r.AppendLine(System.ProductName);
moel@370:         r.Append("System Version: ");
moel@370:         r.AppendLine(System.Version);
moel@370:         r.AppendLine();
moel@370:       }
moel@370: 
moel@370:       if (Board != null) {
moel@370:         r.Append("Mainboard Manufacturer: ");
moel@370:         r.AppendLine(Board.ManufacturerName);
moel@370:         r.Append("Mainboard Name: ");
moel@370:         r.AppendLine(Board.ProductName);
moel@370:         r.Append("Mainboard Version: ");
moel@370:         r.AppendLine(Board.Version);
moel@370:         r.AppendLine();
moel@370:       }
moel@370: 
moel@370:       for (int i = 0; i < MemoryDevices.Length; i++) {        
moel@370:         r.Append("Memory Device [" + i + "] Manufacturer: ");
moel@370:         r.AppendLine(MemoryDevices[i].ManufacturerName);
moel@370:         r.Append("Memory Device [" + i + "] Part Number: ");
moel@370:         r.AppendLine(MemoryDevices[i].PartNumber);
moel@370:         r.AppendLine();
moel@370:       }
moel@370: 
moel@370:       if (raw != null) {
moel@370:         string base64 = Convert.ToBase64String(raw);
moel@370:         r.AppendLine("SMBIOS Table");
moel@370:         r.AppendLine();
moel@370: 
moel@370:         for (int i = 0; i < Math.Ceiling(base64.Length / 64.0); i++) {
moel@370:           r.Append(" ");
moel@370:           for (int j = 0; j < 0x40; j++) {
moel@370:             int index = (i << 6) | j;
moel@370:             if (index < base64.Length) {              
moel@370:               r.Append(base64[index]);
moel@370:             }
moel@370:           }
moel@370:           r.AppendLine();
moel@370:         }
moel@370:         r.AppendLine();
moel@370:       }
moel@370: 
moel@370:       return r.ToString();
moel@370:     }
moel@370: 
moel@370:     public BIOSInformation BIOS {
moel@370:       get { return biosInformation; }
moel@370:     }
moel@370: 
moel@370:     public SystemInformation System {
moel@370:       get { return systemInformation; }
moel@370:     }
moel@370: 
moel@370:     public BaseBoardInformation Board {
moel@370:       get { return baseBoardInformation; }
moel@370:     }
moel@370: 
moel@370:     public MemoryDevice[] MemoryDevices {
moel@370:       get { return memoryDevices; }
moel@370:     }
moel@370: 
moel@370:     public class Structure {
moel@370:       private readonly byte type;
moel@370:       private readonly ushort handle;
moel@370: 
moel@370:       private readonly byte[] data;
moel@370:       private readonly string[] strings;
moel@370: 
moel@370:       protected string GetString(int offset) {
moel@370:         if (offset < data.Length && data[offset] > 0 &&
moel@370:          data[offset] <= strings.Length)
moel@370:           return strings[data[offset] - 1];
moel@370:         else
moel@370:           return "";
moel@370:       }
moel@370: 
moel@370:       public Structure(byte type, ushort handle, byte[] data, string[] strings) 
moel@370:       {
moel@370:         this.type = type;
moel@370:         this.handle = handle;
moel@370:         this.data = data;
moel@370:         this.strings = strings;
moel@370:       }
moel@370: 
moel@370:       public byte Type { get { return type; } }
moel@370: 
moel@370:       public ushort Handle { get { return handle; } }
moel@370:     }
moel@370:       
moel@370:     public class BIOSInformation : Structure {
moel@370: 
moel@370:       private readonly string vendor;
moel@370:       private readonly string version;
moel@370:       
moel@370:       public BIOSInformation(string vendor, string version) 
moel@370:         : base (0x00, 0, null, null) 
moel@370:       {
moel@370:         this.vendor = vendor;
moel@370:         this.version = version;
moel@370:       }
moel@370:       
moel@370:       public BIOSInformation(byte type, ushort handle, byte[] data,
moel@370:         string[] strings)
moel@370:         : base(type, handle, data, strings) 
moel@370:       {
moel@370:         this.vendor = GetString(0x04);
moel@370:         this.version = GetString(0x05);
moel@370:       }
moel@370: 
moel@370:       public string Vendor { get { return vendor; } }
moel@370: 
moel@370:       public string Version { get { return version; } }
moel@370:     }
moel@370: 
moel@370:     public class SystemInformation : Structure {
moel@370: 
moel@370:       private readonly string manufacturerName;
moel@370:       private readonly string productName;
moel@370:       private readonly string version;
moel@370:       private readonly string serialNumber;
moel@370:       private readonly string family;
moel@370: 
moel@370:       public SystemInformation(string manufacturerName, string productName, 
moel@370:         string version, string serialNumber, string family) 
moel@370:         : base (0x01, 0, null, null) 
moel@370:       {
moel@370:         this.manufacturerName = manufacturerName;
moel@370:         this.productName = productName;
moel@370:         this.version = version;
moel@370:         this.serialNumber = serialNumber;
moel@370:         this.family = family;
moel@370:       }
moel@370: 
moel@370:       public SystemInformation(byte type, ushort handle, byte[] data,
moel@370:         string[] strings)
moel@370:         : base(type, handle, data, strings) 
moel@370:       {
moel@370:         this.manufacturerName = GetString(0x04);
moel@370:         this.productName = GetString(0x05);
moel@370:         this.version = GetString(0x06);
moel@370:         this.serialNumber = GetString(0x07);
moel@370:         this.family = GetString(0x1A);
moel@370:       }
moel@370: 
moel@370:       public string ManufacturerName { get { return manufacturerName; } }
moel@370: 
moel@370:       public string ProductName { get { return productName; } }
moel@370: 
moel@370:       public string Version { get { return version; } }
moel@370: 
moel@370:       public string SerialNumber { get { return serialNumber; } }
moel@370: 
moel@370:       public string Family { get { return family; } }
moel@370: 
moel@370:     }
moel@370: 
moel@370:     public class BaseBoardInformation : Structure {
moel@370: 
moel@370:       private readonly string manufacturerName;
moel@370:       private readonly string productName;
moel@370:       private readonly string version;
moel@370:       private readonly string serialNumber;
moel@370:       
moel@370:       public BaseBoardInformation(string manufacturerName, string productName, 
moel@370:         string version, string serialNumber) 
moel@370:         : base(0x02, 0, null, null) 
moel@370:       {
moel@370:         this.manufacturerName = manufacturerName;
moel@370:         this.productName = productName;
moel@370:         this.version = version;
moel@370:         this.serialNumber = serialNumber;
moel@370:       }
moel@370:       
moel@370:       public BaseBoardInformation(byte type, ushort handle, byte[] data,
moel@370:         string[] strings)
moel@370:         : base(type, handle, data, strings) {
moel@370: 
moel@370:         this.manufacturerName = GetString(0x04).Trim();
moel@370:         this.productName = GetString(0x05).Trim();
moel@370:         this.version = GetString(0x06).Trim();
moel@370:         this.serialNumber = GetString(0x07).Trim();               
moel@370:       }
moel@370:       
moel@370:       public string ManufacturerName { get { return manufacturerName; } }
moel@370: 
moel@370:       public string ProductName { get { return productName; } }
moel@370: 
moel@370:       public string Version { get { return version; } }
moel@370: 
moel@370:       public string SerialNumber { get { return serialNumber; } }
moel@370: 
moel@370:     }
moel@370: 
moel@370:     public class MemoryDevice : Structure {
moel@370: 
moel@370:       private readonly string manufacturerName;
moel@370:       private readonly string serialNumber;
moel@370:       private readonly string partNumber;
moel@370: 
moel@370:       public MemoryDevice(string manufacturerName, string serialNumber,
moel@370:         string partNumber)
moel@370:         : base(0x11, 0, null, null) {
moel@370:         this.manufacturerName = manufacturerName;
moel@370:         this.serialNumber = serialNumber;
moel@370:         this.partNumber = partNumber;
moel@370:       }
moel@370: 
moel@370:       public MemoryDevice(byte type, ushort handle, byte[] data,
moel@370:         string[] strings)
moel@370:         : base(type, handle, data, strings) {
moel@370:         this.manufacturerName = GetString(0x17).Trim();
moel@370:         this.serialNumber = GetString(0x18).Trim();
moel@370:         this.partNumber = GetString(0x1A).Trim();
moel@370:       }
moel@370: 
moel@370:       public string ManufacturerName { get { return manufacturerName; } }
moel@370: 
moel@370:       public string SerialNumber { get { return serialNumber; } }
moel@370: 
moel@370:       public string PartNumber { get { return partNumber; } }
moel@370: 
moel@370:     }
moel@370:   }
moel@370: }