* DiscImageChef.Devices/Device/Constructor.cs:

Added support for USB on Linux.

	* DiscImageChef/Commands/DeviceInfo.cs:
	* DiscImageChef.Devices/Device/Variables.cs:
	  Added support for USB detection and metadata.

	* DiscImageChef.Devices/Linux/Extern.cs:
	* DiscImageChef.Devices/Linux/Command.cs:
	  Added readlink(3) support, for getting symlink destinations.
This commit is contained in:
2015-12-31 16:12:22 +00:00
parent da29ec63eb
commit eac5aae66c
7 changed files with 255 additions and 0 deletions

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@@ -1,3 +1,15 @@
2015-12-31 Natalia Portillo <claunia@claunia.com>
* Device/Constructor.cs:
Added support for USB on Linux.
* Device/Variables.cs:
Added support for USB detection and metadata.
* Linux/Extern.cs:
* Linux/Command.cs:
Added readlink(3) support, for getting symlink destinations.
2015-12-30 Natalia Portillo <claunia@claunia.com>
* Device/Variables.cs:

View File

@@ -102,6 +102,80 @@ namespace DiscImageChef.Devices
bool scsiSense = ScsiInquiry(out inqBuf, out senseBuf);
#region USB
if(platformID == DiscImageChef.Interop.PlatformID.Linux)
{
if(devicePath.StartsWith("/dev/sd"))
{
string devPath = devicePath.Substring(5);
if(System.IO.Directory.Exists("/sys/block/" + devPath))
{
string resolvedLink = Linux.Command.ReadLink("/sys/block/" + devPath);
resolvedLink = "/sys" + resolvedLink.Substring(2);
if(!string.IsNullOrEmpty(resolvedLink))
{
while(resolvedLink.Contains("usb"))
{
resolvedLink = System.IO.Path.GetDirectoryName(resolvedLink);
if(System.IO.File.Exists(resolvedLink + "/descriptors") &&
System.IO.File.Exists(resolvedLink + "/idProduct") &&
System.IO.File.Exists(resolvedLink + "/idVendor"))
{
System.IO.FileStream usbFs;
System.IO.StreamReader usbSr;
string usbTemp;
usbFs = new System.IO.FileStream(resolvedLink + "/descriptors", System.IO.FileMode.Open, System.IO.FileAccess.Read);
byte[] usbBuf = new byte[65536];
int usbCount = usbFs.Read(usbBuf, 0, 65536);
usbDescriptors = new byte[usbCount];
Array.Copy(usbBuf, 0, usbDescriptors, 0, usbCount);
usbFs.Close();
usbSr = new System.IO.StreamReader(resolvedLink + "/idProduct");
usbTemp = usbSr.ReadToEnd();
ushort.TryParse(usbTemp, System.Globalization.NumberStyles.HexNumber, System.Globalization.CultureInfo.InvariantCulture, out usbProduct);
usbSr.Close();
usbSr = new System.IO.StreamReader(resolvedLink + "/idVendor");
usbTemp = usbSr.ReadToEnd();
ushort.TryParse(usbTemp, System.Globalization.NumberStyles.HexNumber, System.Globalization.CultureInfo.InvariantCulture, out usbVendor);
usbSr.Close();
if(System.IO.File.Exists(resolvedLink + "/manufacturer"))
{
usbSr = new System.IO.StreamReader(resolvedLink + "/manufacturer");
usbManufacturerString = usbSr.ReadToEnd().Trim();
usbSr.Close();
}
if(System.IO.File.Exists(resolvedLink + "/product"))
{
usbSr = new System.IO.StreamReader(resolvedLink + "/product");
usbProductString = usbSr.ReadToEnd().Trim();
usbSr.Close();
}
if(System.IO.File.Exists(resolvedLink + "/serial"))
{
usbSr = new System.IO.StreamReader(resolvedLink + "/serial");
usbSerialString = usbSr.ReadToEnd().Trim();
usbSr.Close();
}
usb = true;
break;
}
}
}
}
}
}
// TODO: Implement for other operating systems
else
usb = false;
#endregion USB
if (!scsiSense)
{
Decoders.SCSI.Inquiry.SCSIInquiry? Inquiry = Decoders.SCSI.Inquiry.Decode(inqBuf);
@@ -173,6 +247,24 @@ namespace DiscImageChef.Devices
revision = null;
serial = null;
}
if (usb)
{
if (string.IsNullOrEmpty(manufacturer))
manufacturer = usbManufacturerString;
if (string.IsNullOrEmpty(model))
model = usbProductString;
if (string.IsNullOrEmpty(serial))
serial = usbSerialString;
else
{
foreach (char c in serial)
{
if(Char.IsControl(c))
serial = usbSerialString;
}
}
}
}
}
}

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@@ -53,6 +53,13 @@ namespace DiscImageChef.Devices
readonly string serial;
readonly Decoders.SCSI.PeripheralDeviceTypes scsiType;
readonly bool removable;
readonly bool usb;
readonly ushort usbVendor;
readonly ushort usbProduct;
readonly byte[] usbDescriptors;
readonly string usbManufacturerString;
readonly string usbProductString;
readonly string usbSerialString;
/// <summary>
/// Gets the Platform ID for this device
@@ -172,6 +179,10 @@ namespace DiscImageChef.Devices
}
}
/// <summary>
/// Gets the device's SCSI peripheral device type
/// </summary>
/// <value>The SCSI peripheral device type.</value>
public Decoders.SCSI.PeripheralDeviceTypes SCSIType
{
get
@@ -180,6 +191,10 @@ namespace DiscImageChef.Devices
}
}
/// <summary>
/// Gets a value indicating whether this device's media is removable.
/// </summary>
/// <value><c>true</c> if this device's media is removable; otherwise, <c>false</c>.</value>
public bool IsRemovable
{
get
@@ -187,6 +202,90 @@ namespace DiscImageChef.Devices
return removable;
}
}
/// <summary>
/// Gets a value indicating whether this device is attached via USB.
/// </summary>
/// <value><c>true</c> if this device is attached via USB; otherwise, <c>false</c>.</value>
public bool IsUSB
{
get
{
return usb;
}
}
/// <summary>
/// Gets the USB vendor ID.
/// </summary>
/// <value>The USB vendor ID.</value>
public ushort USBVendorID
{
get
{
return usbVendor;
}
}
/// <summary>
/// Gets the USB product ID.
/// </summary>
/// <value>The USB product ID.</value>
public ushort USBProductID
{
get
{
return usbProduct;
}
}
/// <summary>
/// Gets the USB descriptors.
/// </summary>
/// <value>The USB descriptors.</value>
public byte[] USBDescriptors
{
get
{
return usbDescriptors;
}
}
/// <summary>
/// Gets the USB manufacturer string.
/// </summary>
/// <value>The USB manufacturer string.</value>
public string USBManufacturerString
{
get
{
return usbManufacturerString;
}
}
/// <summary>
/// Gets the USB product string.
/// </summary>
/// <value>The USB product string.</value>
public string USBProductString
{
get
{
return usbProductString;
}
}
/// <summary>
/// Gets the USB serial string.
/// </summary>
/// <value>The USB serial string.</value>
public string USBSerialString
{
get
{
return usbSerialString;
}
}
}
}

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@@ -328,6 +328,34 @@ namespace DiscImageChef.Devices.Linux
return error;
}
public static string ReadLink(string path)
{
IntPtr buf = Marshal.AllocHGlobal(int.MaxValue);
int resultSize;
if (Interop.DetectOS.Is64Bit())
{
long result64 = Extern.readlink64(path, buf, (long)int.MaxValue);
if (result64 <= 0)
return null;
resultSize = (int)result64;
}
else
{
int result = Extern.readlink(path, buf, int.MaxValue);
if (result <= 0)
return null;
resultSize = result;
}
byte[] resultString = new byte[resultSize];
Marshal.Copy(buf, resultString, 0, resultSize);
Marshal.FreeHGlobal(buf);
return System.Text.Encoding.ASCII.GetString(resultString);
}
}
}

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@@ -56,6 +56,12 @@ namespace DiscImageChef.Devices.Linux
[DllImport("libc", EntryPoint="ioctl", SetLastError = true)]
internal static extern int ioctlSg(int fd, LinuxIoctl request, ref sg_io_hdr_t value);
[DllImport("libc", CharSet = CharSet.Ansi, SetLastError = true)]
internal static extern int readlink(string path, System.IntPtr buf, int bufsize);
[DllImport("libc", CharSet = CharSet.Ansi, EntryPoint="readlink", SetLastError = true)]
internal static extern long readlink64(string path, System.IntPtr buf, long bufsize);
}
}

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@@ -1,3 +1,8 @@
2015-12-31 Natalia Portillo <claunia@claunia.com>
* Commands/DeviceInfo.cs:
Added support for USB detection and metadata.
2015-12-30 Natalia Portillo <claunia@claunia.com>
* Main.cs:

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@@ -68,6 +68,19 @@ namespace DiscImageChef.Commands
return;
}
if (dev.IsUSB)
{
DicConsole.WriteLine("USB device");
if(dev.USBDescriptors != null)
DicConsole.WriteLine("USB descriptor is {0} bytes", dev.USBDescriptors.Length);
DicConsole.WriteLine("USB Vendor ID: {0:X4}", dev.USBVendorID);
DicConsole.WriteLine("USB Product ID: {0:X4}", dev.USBProductID);
DicConsole.WriteLine("USB Manufacturer: {0:X4}", dev.USBManufacturerString);
DicConsole.WriteLine("USB Product: {0:X4}", dev.USBProductString);
DicConsole.WriteLine("USB Serial number: {0:X4}", dev.USBSerialString);
DicConsole.WriteLine();
}
switch (dev.Type)
{
case DeviceType.ATA: