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Correct VDI header, added image types and flags.

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This commit is contained in:
Natalia Portillo
2018-01-04 11:16:00 +00:00
parent 9f169d56fc
commit 3259726dd0
1 changed files with 42 additions and 7 deletions
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49
DiscImageChef.DiscImages/VDI.cs
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@@ -40,6 +40,9 @@ using DiscImageChef.Filters;
namespace DiscImageChef.DiscImages
{
// TODO: Support version 0
// TODO: Support fixed images
// TODO: Support version 1.2 geometry
public class Vdi : IMediaImage
{
const uint VDI_MAGIC = 0xBEDA107F;
@@ -51,6 +54,7 @@ namespace DiscImageChef.DiscImages
const string SUN_VDI = "<<< Sun VirtualBox Disk Image >>>\n";
const string INNOTEK_VDI = "<<< innotek VirtualBox Disk Image >>>\n";
const string INNOTEK_OLD_VDI = "<<< InnoTek VirtualBox Disk Image >>>\n";
const string DIC_VDI = "<<< DiscImageChef VirtualBox Disk Image >>>\n";
const uint MAX_CACHE_SIZE = 16777216;
const uint MAX_CACHED_SECTORS = MAX_CACHE_SIZE / 512;
@@ -145,7 +149,7 @@ namespace DiscImageChef.DiscImages
DicConsole.DebugWriteLine("VirtualBox plugin", "vHdr.headerSize = {0}", vHdr.headerSize);
DicConsole.DebugWriteLine("VirtualBox plugin", "vHdr.imageType = {0}", vHdr.imageType);
DicConsole.DebugWriteLine("VirtualBox plugin", "vHdr.imageFlags = {0}", vHdr.imageFlags);
DicConsole.DebugWriteLine("VirtualBox plugin", "vHdr.description = {0}", vHdr.description);
DicConsole.DebugWriteLine("VirtualBox plugin", "vHdr.description = {0}", vHdr.comments);
DicConsole.DebugWriteLine("VirtualBox plugin", "vHdr.offsetBlocks = {0}", vHdr.offsetBlocks);
DicConsole.DebugWriteLine("VirtualBox plugin", "vHdr.offsetData = {0}", vHdr.offsetData);
DicConsole.DebugWriteLine("VirtualBox plugin", "vHdr.cylinders = {0}", vHdr.cylinders);
@@ -162,6 +166,9 @@ namespace DiscImageChef.DiscImages
DicConsole.DebugWriteLine("VirtualBox plugin", "vHdr.linkUuid = {0}", vHdr.linkUuid);
DicConsole.DebugWriteLine("VirtualBox plugin", "vHdr.parentUuid = {0}", vHdr.parentUuid);
if(vHdr.imageType != VdiImageType.Normal)
throw new FeatureSupportedButNotImplementedImageException($"Support for image type {vHdr.imageType} not yet implemented");
DicConsole.DebugWriteLine("VirtualBox plugin", "Reading Image Block Map");
stream.Seek(vHdr.offsetBlocks, SeekOrigin.Begin);
ibm = new uint[vHdr.blocks];
@@ -179,7 +186,7 @@ namespace DiscImageChef.DiscImages
imageInfo.SectorSize = vHdr.sectorSize;
imageInfo.XmlMediaType = XmlMediaType.BlockMedia;
imageInfo.MediaType = MediaType.GENERIC_HDD;
imageInfo.Comments = vHdr.description;
imageInfo.Comments = vHdr.comments;
imageInfo.Version = $"{vHdr.majorVersion}.{vHdr.minorVersion}";
switch(vHdr.creator)
@@ -200,6 +207,9 @@ namespace DiscImageChef.DiscImages
case INNOTEK_OLD_VDI:
imageInfo.Application = "innotek VirtualBox";
break;
case DIC_VDI:
imageInfo.Application = "DiscImageChef";
break;
}
imageStream = stream;
@@ -375,10 +385,10 @@ namespace DiscImageChef.DiscImages
/// </summary>
public ushort majorVersion;
public ushort minorVersion;
public uint headerSize;
public uint imageType;
public uint imageFlags;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)] public string description;
public int headerSize;
public VdiImageType imageType;
public VdiImageFlags imageFlags;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)] public string comments;
public uint offsetBlocks;
public uint offsetData;
public uint cylinders;
@@ -395,7 +405,32 @@ namespace DiscImageChef.DiscImages
public Guid snapshotUuid;
public Guid linkUuid;
public Guid parentUuid;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 56)] public byte[] garbage;
}
enum VdiImageType : uint
{
/// <summary> Normal dynamically growing base image file.</summary>
Normal = 1,
/// <summary>Preallocated base image file of a fixed size.</summary>
Fixed,
/// <summary>Dynamically growing image file for undo/commit changes support.</summary>
Undo,
/// <summary>Dynamically growing image file for differencing support.</summary>
Differential,
/// <summary>First valid image type value.</summary>
First = Normal,
/// <summary>Last valid image type value.</summary>
Last = Differential
}
enum VdiImageFlags : uint
{
/// <summary>
/// Fill new blocks with zeroes while expanding image file. Only valid for newly created images, never set
/// for opened existing images.</summary>
ZeroExpand = 0x100
}
}
}