openhardwaremonitor/Hardware/Mainboard/SMBIOS.cs

/*
 
  This Source Code Form is subject to the terms of the Mozilla Public
  License, v. 2.0. If a copy of the MPL was not distributed with this
  file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
  Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
	
*/

using System;
using System.Collections.Generic;
using System.IO;
using System.Management;
using System.Text;

namespace OpenHardwareMonitor.Hardware.Mainboard {

  internal class SMBIOS {

    private readonly byte[] raw;
    private readonly Structure[] table;

    private readonly Version version;
    private readonly BIOSInformation biosInformation;
    private readonly SystemInformation systemInformation;
    private readonly BaseBoardInformation baseBoardInformation;

    private static string ReadSysFS(string path) {
      try {
        if (File.Exists(path)) {
          using (StreamReader reader = new StreamReader(path)) 
            return reader.ReadLine();
        } else {
          return null;
        }
      } catch {
        return null;
      }
    }
    
    public SMBIOS() {
      int p = (int)Environment.OSVersion.Platform;
      if ((p == 4) || (p == 128)) {
        this.raw = null;
        this.table = null;
        
        string boardVendor = ReadSysFS("/sys/class/dmi/id/board_vendor");
        string boardName = ReadSysFS("/sys/class/dmi/id/board_name");        
        string boardVersion = ReadSysFS("/sys/class/dmi/id/board_version");        
        this.baseBoardInformation = new BaseBoardInformation(
          boardVendor, boardName, boardVersion, null);

        string systemVendor = ReadSysFS("/sys/class/dmi/id/sys_vendor");
        string productName = ReadSysFS("/sys/class/dmi/id/product_name");
        string productVersion = ReadSysFS("/sys/class/dmi/id/product_version");    
        this.systemInformation = new SystemInformation(systemVendor, 
          productName, productVersion, null, null);

        string biosVendor = ReadSysFS("/sys/class/dmi/id/bios_vendor");
        string biosVersion = ReadSysFS("/sys/class/dmi/id/bios_version");
        this.biosInformation = new BIOSInformation(biosVendor, biosVersion);
        
      } else {              
        List<Structure> structureList = new List<Structure>();

        raw = null;
        byte majorVersion = 0;
        byte minorVersion = 0;
        try {
          ManagementObjectCollection collection;
          using (ManagementObjectSearcher searcher = 
            new ManagementObjectSearcher("root\\WMI", 
              "SELECT * FROM MSSMBios_RawSMBiosTables")) {
            collection = searcher.Get();
          }
         
          foreach (ManagementObject mo in collection) {
            raw = (byte[])mo["SMBiosData"];
            majorVersion = (byte)mo["SmbiosMajorVersion"];
            minorVersion = (byte)mo["SmbiosMinorVersion"];            
            break;
          }
        } catch { }

        if (majorVersion > 0 || minorVersion > 0)
          version = new Version(majorVersion, minorVersion);
  
        if (raw != null && raw.Length > 0) {
          int offset = 0;
          byte type = raw[offset];
          while (offset + 4 < raw.Length && type != 127) {
  
            type = raw[offset];
            int length = raw[offset + 1];
            ushort handle = (ushort)((raw[offset + 2] << 8) | raw[offset + 3]);
  
            if (offset + length > raw.Length)
              break;
            byte[] data = new byte[length];
            Array.Copy(raw, offset, data, 0, length);
            offset += length;
  
            List<string> stringsList = new List<string>();
            if (offset < raw.Length && raw[offset] == 0)
              offset++;
  
            while (offset < raw.Length && raw[offset] != 0) {
              StringBuilder sb = new StringBuilder();
              while (offset < raw.Length && raw[offset] != 0) {
                sb.Append((char)raw[offset]); offset++;
              }
              offset++;
              stringsList.Add(sb.ToString());
            }
            offset++;
            switch (type) {
              case 0x00:
                this.biosInformation = new BIOSInformation(
                  type, handle, data, stringsList.ToArray());
                structureList.Add(this.biosInformation); break;
              case 0x01:
                this.systemInformation = new SystemInformation(
                  type, handle, data, stringsList.ToArray());
                structureList.Add(this.systemInformation); break;
              case 0x02: this.baseBoardInformation = new BaseBoardInformation(
                  type, handle, data, stringsList.ToArray());
                structureList.Add(this.baseBoardInformation); break;
              default: structureList.Add(new Structure(
                type, handle, data, stringsList.ToArray())); break;
            }
          }
        }
              
        table = structureList.ToArray();
      }
    }

    public string GetReport() {
      StringBuilder r = new StringBuilder();

      if (version != null) {
        r.Append("SMBIOS Version: "); r.AppendLine(version.ToString(2));
        r.AppendLine();
      }

      if (BIOS != null) {
        r.Append("BIOS Vendor: "); r.AppendLine(BIOS.Vendor);
        r.Append("BIOS Version: "); r.AppendLine(BIOS.Version);
        r.AppendLine();
      }

      if (System != null) {
        r.Append("System Manufacturer: ");
        r.AppendLine(System.ManufacturerName);
        r.Append("System Name: ");
        r.AppendLine(System.ProductName);
        r.Append("System Version: ");
        r.AppendLine(System.Version);
        r.AppendLine();
      }

      if (Board != null) {
        r.Append("Mainboard Manufacturer: ");
        r.AppendLine(Board.ManufacturerName);
        r.Append("Mainboard Name: ");
        r.AppendLine(Board.ProductName);
        r.Append("Mainboard Version: ");
        r.AppendLine(Board.Version);
        r.AppendLine();
      }

      if (raw != null) {
        string base64 = Convert.ToBase64String(raw);
        r.AppendLine("SMBIOS Table");
        r.AppendLine();

        for (int i = 0; i < Math.Ceiling(base64.Length / 64.0); i++) {
          r.Append(" ");
          for (int j = 0; j < 0x40; j++) {
            int index = (i << 6) | j;
            if (index < base64.Length) {              
              r.Append(base64[index]);
            }
          }
          r.AppendLine();
        }
        r.AppendLine();
      }

      return r.ToString();
    }

    public BIOSInformation BIOS {
      get { return biosInformation; }
    }

    public SystemInformation System {
      get { return systemInformation; }
    }

    public BaseBoardInformation Board {
      get { return baseBoardInformation; }
    }

    public class Structure {
      private readonly byte type;
      private readonly ushort handle;

      private readonly byte[] data;
      private readonly string[] strings;

      protected string GetString(int offset) {
        if (offset < data.Length && data[offset] > 0 &&
         data[offset] <= strings.Length)
          return strings[data[offset] - 1];
        else
          return "";
      }

      public Structure(byte type, ushort handle, byte[] data, string[] strings) 
      {
        this.type = type;
        this.handle = handle;
        this.data = data;
        this.strings = strings;
      }

      public byte Type { get { return type; } }

      public ushort Handle { get { return handle; } }
    }
      
    public class BIOSInformation : Structure {

      private readonly string vendor;
      private readonly string version;
      
      public BIOSInformation(string vendor, string version) 
        : base (0x00, 0, null, null) 
      {
        this.vendor = vendor;
        this.version = version;
      }
      
      public BIOSInformation(byte type, ushort handle, byte[] data,
        string[] strings)
        : base(type, handle, data, strings) 
      {
        this.vendor = GetString(0x04);
        this.version = GetString(0x05);
      }

      public string Vendor { get { return vendor; } }

      public string Version { get { return version; } }
    }

    public class SystemInformation : Structure {

      private readonly string manufacturerName;
      private readonly string productName;
      private readonly string version;
      private readonly string serialNumber;
      private readonly string family;

      public SystemInformation(string manufacturerName, string productName, 
        string version, string serialNumber, string family) 
        : base (0x01, 0, null, null) 
      {
        this.manufacturerName = manufacturerName;
        this.productName = productName;
        this.version = version;
        this.serialNumber = serialNumber;
        this.family = family;
      }

      public SystemInformation(byte type, ushort handle, byte[] data,
        string[] strings)
        : base(type, handle, data, strings) 
      {
        this.manufacturerName = GetString(0x04);
        this.productName = GetString(0x05);
        this.version = GetString(0x06);
        this.serialNumber = GetString(0x07);
        this.family = GetString(0x1A);
      }

      public string ManufacturerName { get { return manufacturerName; } }

      public string ProductName { get { return productName; } }

      public string Version { get { return version; } }

      public string SerialNumber { get { return serialNumber; } }

      public string Family { get { return family; } }

    }

    public class BaseBoardInformation : Structure {

      private readonly string manufacturerName;
      private readonly string productName;
      private readonly string version;
      private readonly string serialNumber;
      private readonly Manufacturer manufacturer;
      private readonly Model model;

      private static Manufacturer GetManufacturer(string name) {               
        switch (name) {
          case "Alienware":
            return Manufacturer.Alienware;
          case "Apple Inc.":
            return Manufacturer.Apple;
          case "ASRock":
            return Manufacturer.ASRock;
          case "ASUSTeK Computer INC.":
          case "ASUSTeK COMPUTER INC.":
            return Manufacturer.ASUS;
          case "Dell Inc.":
            return Manufacturer.Dell;
          case "DFI":
          case "DFI Inc.":            
            return Manufacturer.DFI;
          case "ECS":
            return Manufacturer.ECS;
          case "EPoX COMPUTER CO., LTD":
            return Manufacturer.EPoX;
          case "EVGA":
            return Manufacturer.EVGA;
          case "First International Computer, Inc.":
            return Manufacturer.FIC;
          case "FUJITSU":
          case "FUJITSU SIEMENS":
            return Manufacturer.Fujitsu;
          case "Gigabyte Technology Co., Ltd.":
            return Manufacturer.Gigabyte;
          case "Hewlett-Packard":
            return Manufacturer.HP;
          case "IBM":
            return Manufacturer.IBM;
          case "Intel":
          case "Intel Corp.":
          case "Intel Corporation":
          case "INTEL Corporation":
            return Manufacturer.Intel;   
          case "Lenovo":
          case "LENOVO":
            return Manufacturer.Lenovo;
          case "Micro-Star International":
          case "MICRO-STAR INTERNATIONAL CO., LTD":
          case "MICRO-STAR INTERNATIONAL CO.,LTD":
          case "MSI":
            return Manufacturer.MSI;
          case "Shuttle":
            return Manufacturer.Shuttle;
          case "Supermicro":
            return Manufacturer.Supermicro;
          case "TOSHIBA":
            return Manufacturer.Toshiba;
          case "XFX":
            return  Manufacturer.XFX;
          case "To be filled by O.E.M.":
            return  Manufacturer.Unknown;
          default:
            return  Manufacturer.Unknown;
        }
      }

      private static Model GetModel(string name) {
        switch (name) {
          case "880GMH/USB3":
            return Model._880GMH_USB3;
          case "ASRock AOD790GX/128M":
            return Model.AOD790GX_128M;
          case "P55 Deluxe":
            return Model.P55_Deluxe;
          case "Crosshair III Formula":
            return Model.Crosshair_III_Formula;
          case "M2N-SLI DELUXE":
            return Model.M2N_SLI_DELUXE;
          case "M4A79XTD EVO":
            return Model.M4A79XTD_EVO;
          case "P5W DH Deluxe":
            return Model.P5W_DH_Deluxe;
          case "P6T":
            return Model.P6T;
          case "P6X58D-E":
            return Model.P6X58D_E;
          case "P8P67":
            return Model.P8P67;
          case "P8P67 EVO":
            return Model.P8P67_EVO;
          case "P8P67 PRO":
            return Model.P8P67_PRO;
          case "P8P67-M PRO":
            return Model.P8P67_M_PRO;
          case "P9X79":
            return Model.P9X79;
          case "Rampage Extreme":
            return Model.Rampage_Extreme;
          case "Rampage II GENE":
            return Model.Rampage_II_GENE;
          case "LP BI P45-T2RS Elite":
            return Model.LP_BI_P45_T2RS_Elite;
          case "LP DK P55-T3eH9":
            return Model.LP_DK_P55_T3eH9;
          case "A890GXM-A":
            return Model.A890GXM_A;
          case "X58 SLI Classified":
            return Model.X58_SLI_Classified;
          case "965P-S3":
            return Model._965P_S3;
          case "EP45-DS3R":
            return Model.EP45_DS3R;
          case "EP45-UD3R":
            return Model.EP45_UD3R;
          case "EX58-EXTREME":
            return Model.EX58_EXTREME;
          case "EX58-UD3R":
            return Model.EX58_UD3R;
          case "G41M-Combo":
            return Model.G41M_Combo;
          case "G41MT-S2":
            return Model.G41MT_S2;
          case "G41MT-S2P":
            return Model.G41MT_S2P;
          case "GA-MA770T-UD3":
            return Model.GA_MA770T_UD3;
          case "GA-MA770T-UD3P":
            return Model.GA_MA770T_UD3P;
          case "GA-MA785GM-US2H":
            return Model.GA_MA785GM_US2H;
          case "GA-MA785GMT-UD2H":
            return Model.GA_MA785GMT_UD2H;
          case "GA-MA78LM-S2H":
            return Model.GA_MA78LM_S2H;
          case "GA-MA790X-UD3P":
            return Model.GA_MA790X_UD3P;
          case "H55-USB3":
            return Model.H55_USB3;
          case "H55N-USB3":
            return Model.H55N_USB3;
          case "H61M-DS2 REV 1.2":
            return Model.H61M_DS2_REV_1_2;
          case "H61M-USB3-B3 REV 2.0":
            return Model.H61M_USB3_B3_REV_2_0;
          case "H67A-UD3H-B3":
            return Model.H67A_UD3H_B3;
          case "H67A-USB3-B3":
            return Model.H67A_USB3_B3;
          case "P35-DS3":
            return Model.P35_DS3;
          case "P35-DS3L":
            return Model.P35_DS3L;
          case "P55-UD4":
            return Model.P55_UD4;
          case "P55A-UD3":
            return Model.P55A_UD3;
          case "P55M-UD4":
            return Model.P55M_UD4;
          case "P67A-UD3-B3":
            return Model.P67A_UD3_B3;
          case "P67A-UD3R-B3":
            return Model.P67A_UD3R_B3;
          case "P67A-UD4-B3":
            return Model.P67A_UD4_B3;
          case "P8Z68-V PRO":
            return Model.P8Z68_V_PRO;
          case "X38-DS5":
            return Model.X38_DS5;
          case "X58A-UD3R":
            return Model.X58A_UD3R;
          case "Z68A-D3H-B3":
            return Model.Z68A_D3H_B3;
          case "Z68AP-D3":
            return Model.Z68AP_D3;
          case "Z68X-UD3H-B3":
            return Model.Z68X_UD3H_B3;
          case "Z68X-UD7-B3":
            return Model.Z68X_UD7_B3;
          case "FH67":
            return Model.FH67;
          case "Base Board Product Name":
          case "To be filled by O.E.M.":
            return Model.Unknown;
          default:
            return Model.Unknown;
        }
      }
      
      public BaseBoardInformation(string manufacturerName, string productName, 
        string version, string serialNumber) 
        : base(0x02, 0, null, null) 
      {
        this.manufacturerName = manufacturerName;
        this.manufacturer = GetManufacturer(manufacturerName);
        this.productName = productName;
        this.model = GetModel(productName);
        this.version = version;
        this.serialNumber = serialNumber;
      }
      
      public BaseBoardInformation(byte type, ushort handle, byte[] data,
        string[] strings)
        : base(type, handle, data, strings) {

        this.manufacturerName = GetString(0x04).Trim();
        this.manufacturer = GetManufacturer(this.manufacturerName);
        this.productName = GetString(0x05).Trim();
        this.model = GetModel(this.productName);
        this.version = GetString(0x06).Trim();
        this.serialNumber = GetString(0x07).Trim();               
      }
      
      public string ManufacturerName { get { return manufacturerName; } }

      public string ProductName { get { return productName; } }

      public string Version { get { return version; } }

      public string SerialNumber { get { return serialNumber; } }

      public Manufacturer Manufacturer { get { return manufacturer; } }

      public Model Model { get { return model; } }

    }
  }
}