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Code cleanup.

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This commit is contained in:
Natalia Portillo
2018-06-22 08:08:38 +01:00
parent 82f474c7e3
commit 88da8fc019
581 changed files with 22423 additions and 20839 deletions
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116
DiscImageChef.Partitions/GPT.cs
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@@ -42,11 +42,11 @@ namespace DiscImageChef.Partitions
{
public class GuidPartitionTable : IPartition
{
const ulong GPT_MAGIC = 0x5452415020494645;
const uint GPT_REVISION1 = 0x00010000;
const ulong GPT_MAGIC = 0x5452415020494645;
const uint GPT_REVISION1 = 0x00010000;
public string Name => "GUID Partition Table";
public Guid Id => new Guid("CBC9D281-C1D0-44E8-9038-4D66FD2678AB");
public Guid Id => new Guid("CBC9D281-C1D0-44E8-9038-4D66FD2678AB");
public bool GetInformation(IMediaImage imagePlugin, out List<Partition> partitions, ulong sectorOffset)
{
@@ -54,18 +54,18 @@ namespace DiscImageChef.Partitions
if(sectorOffset + 2 >= imagePlugin.Info.Sectors) return false;
byte[] hdrBytes = imagePlugin.ReadSector(1 + sectorOffset);
byte[] hdrBytes = imagePlugin.ReadSector(1 + sectorOffset);
GptHeader hdr;
ulong signature = BitConverter.ToUInt64(hdrBytes, 0);
bool misaligned = false;
ulong signature = BitConverter.ToUInt64(hdrBytes, 0);
bool misaligned = false;
DicConsole.DebugWriteLine("GPT Plugin", "hdr.signature = 0x{0:X16}", signature);
if(signature != GPT_MAGIC)
if(imagePlugin.Info.XmlMediaType == XmlMediaType.OpticalDisc)
{
hdrBytes = imagePlugin.ReadSector(sectorOffset);
hdrBytes = imagePlugin.ReadSector(sectorOffset);
signature = BitConverter.ToUInt64(hdrBytes, 512);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.signature @ 0x200 = 0x{0:X16}", signature);
if(signature == GPT_MAGIC)
@@ -73,12 +73,13 @@ namespace DiscImageChef.Partitions
DicConsole.DebugWriteLine("GPT Plugin", "Found unaligned signature", signature);
byte[] real = new byte[512];
Array.Copy(hdrBytes, 512, real, 0, 512);
hdrBytes = real;
hdrBytes = real;
misaligned = true;
}
else return false;
}
else return false;
else
return false;
try
{
@@ -88,18 +89,18 @@ namespace DiscImageChef.Partitions
}
catch { return false; }
DicConsole.DebugWriteLine("GPT Plugin", "hdr.revision = 0x{0:X8}", hdr.revision);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.headerSize = {0}", hdr.headerSize);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.headerCrc = 0x{0:X8}", hdr.headerCrc);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.reserved = 0x{0:X8}", hdr.reserved);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.myLBA = {0}", hdr.myLBA);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.alternateLBA = {0}", hdr.alternateLBA);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.firstUsableLBA = {0}", hdr.firstUsableLBA);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.lastUsableLBA = {0}", hdr.lastUsableLBA);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.diskGuid = {0}", hdr.diskGuid);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.entryLBA = {0}", hdr.entryLBA);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.entries = {0}", hdr.entries);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.entriesSize = {0}", hdr.entriesSize);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.revision = 0x{0:X8}", hdr.revision);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.headerSize = {0}", hdr.headerSize);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.headerCrc = 0x{0:X8}", hdr.headerCrc);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.reserved = 0x{0:X8}", hdr.reserved);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.myLBA = {0}", hdr.myLBA);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.alternateLBA = {0}", hdr.alternateLBA);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.firstUsableLBA = {0}", hdr.firstUsableLBA);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.lastUsableLBA = {0}", hdr.lastUsableLBA);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.diskGuid = {0}", hdr.diskGuid);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.entryLBA = {0}", hdr.entryLBA);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.entries = {0}", hdr.entries);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.entriesSize = {0}", hdr.entriesSize);
DicConsole.DebugWriteLine("GPT Plugin", "hdr.entriesCrc = 0x{0:X8}", hdr.entriesCrc);
if(hdr.signature != GPT_MAGIC) return false;
@@ -110,21 +111,21 @@ namespace DiscImageChef.Partitions
if(misaligned)
{
divisor = 4;
modulo = (uint)(hdr.entryLBA % divisor);
divisor = 4;
modulo = (uint)(hdr.entryLBA % divisor);
sectorSize = 512;
}
else
{
divisor = 1;
modulo = 0;
divisor = 1;
modulo = 0;
sectorSize = imagePlugin.Info.SectorSize;
}
uint totalEntriesSectors = hdr.entries * hdr.entriesSize / imagePlugin.Info.SectorSize;
if(hdr.entries * hdr.entriesSize % imagePlugin.Info.SectorSize > 0) totalEntriesSectors++;
byte[] temp = imagePlugin.ReadSectors(hdr.entryLBA / divisor, totalEntriesSectors + modulo);
byte[] temp = imagePlugin.ReadSectors(hdr.entryLBA / divisor, totalEntriesSectors + modulo);
byte[] entriesBytes = new byte[temp.Length - modulo * 512];
Array.Copy(temp, modulo * 512, entriesBytes, 0, entriesBytes.Length);
List<GptEntry> entries = new List<GptEntry>();
@@ -136,46 +137,46 @@ namespace DiscImageChef.Partitions
byte[] entryBytes = new byte[hdr.entriesSize];
Array.Copy(entriesBytes, hdr.entriesSize * i, entryBytes, 0, hdr.entriesSize);
GCHandle handle = GCHandle.Alloc(entryBytes, GCHandleType.Pinned);
GptEntry entry = (GptEntry)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(GptEntry));
GptEntry entry = (GptEntry)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(GptEntry));
handle.Free();
entries.Add(entry);
}
#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
catch
{
// ignored
}
#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
}
if(entries.Count == 0) return false;
ulong pseq = 0;
foreach(GptEntry entry in
entries.Where(entry => entry.partitionType != Guid.Empty && entry.partitionId != Guid.Empty))
foreach(GptEntry entry in entries.Where(entry => entry.partitionType != Guid.Empty &&
entry.partitionId != Guid.Empty))
{
DicConsole.DebugWriteLine("GPT Plugin", "entry.partitionType = {0}", entry.partitionType);
DicConsole.DebugWriteLine("GPT Plugin", "entry.partitionId = {0}", entry.partitionId);
DicConsole.DebugWriteLine("GPT Plugin", "entry.startLBA = {0}", entry.startLBA);
DicConsole.DebugWriteLine("GPT Plugin", "entry.endLBA = {0}", entry.endLBA);
DicConsole.DebugWriteLine("GPT Plugin", "entry.partitionType = {0}", entry.partitionType);
DicConsole.DebugWriteLine("GPT Plugin", "entry.partitionId = {0}", entry.partitionId);
DicConsole.DebugWriteLine("GPT Plugin", "entry.startLBA = {0}", entry.startLBA);
DicConsole.DebugWriteLine("GPT Plugin", "entry.endLBA = {0}", entry.endLBA);
DicConsole.DebugWriteLine("GPT Plugin", "entry.attributes = 0x{0:X16}", entry.attributes);
DicConsole.DebugWriteLine("GPT Plugin", "entry.name = {0}", entry.name);
DicConsole.DebugWriteLine("GPT Plugin", "entry.name = {0}", entry.name);
if(entry.startLBA / divisor > imagePlugin.Info.Sectors ||
entry.endLBA / divisor > imagePlugin.Info.Sectors) return false;
entry.endLBA / divisor > imagePlugin.Info.Sectors) return false;
Partition part = new Partition
{
Description = $"ID: {entry.partitionId}",
Size = (entry.endLBA - entry.startLBA + 1) * sectorSize,
Name = entry.name,
Length = (entry.endLBA - entry.startLBA + 1) / divisor,
Sequence = pseq++,
Offset = entry.startLBA * sectorSize,
Start = entry.startLBA / divisor,
Type = GetGuidTypeName(entry.partitionType),
Scheme = Name
Size = (entry.endLBA - entry.startLBA + 1) * sectorSize,
Name = entry.name,
Length = (entry.endLBA - entry.startLBA + 1) / divisor,
Sequence = pseq++,
Offset = entry.startLBA * sectorSize,
Start = entry.startLBA / divisor,
Type = GetGuidTypeName(entry.partitionType),
Scheme = Name
};
DicConsole.DebugWriteLine("GPT Plugin", "part.PartitionType = {0}", part.Type);
partitions.Add(part);
@@ -288,7 +289,7 @@ namespace DiscImageChef.Partitions
case "BD215AB2-1D16-11DC-8696-01301BB8A9F5": return "DragonflyBSD Legacy";
case "61DC63AC-6E38-11DC-8513-01301BB8A9F5": return "DragonflyBSD Hammer";
case "5CBB9AD1-862D-11DC-A94D-01301BB8A9F5": return "DragonflyBSD Hammer2";
default: return "";
default: return "";
}
}
@@ -296,30 +297,31 @@ namespace DiscImageChef.Partitions
struct GptHeader
{
public ulong signature;
public uint revision;
public uint headerSize;
public uint headerCrc;
public uint reserved;
public uint revision;
public uint headerSize;
public uint headerCrc;
public uint reserved;
public ulong myLBA;
public ulong alternateLBA;
public ulong firstUsableLBA;
public ulong lastUsableLBA;
public Guid diskGuid;
public Guid diskGuid;
public ulong entryLBA;
public uint entries;
public uint entriesSize;
public uint entriesCrc;
public uint entries;
public uint entriesSize;
public uint entriesCrc;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
struct GptEntry
{
public Guid partitionType;
public Guid partitionId;
public Guid partitionType;
public Guid partitionId;
public ulong startLBA;
public ulong endLBA;
public ulong attributes;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 36)] public string name;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 36)]
public string name;
}
}
}