mirror of
https://github.com/aaru-dps/Aaru.Server.git
synced 2025-12-16 19:24:27 +00:00
Code cleanup.
This commit is contained in:
@@ -68,65 +68,65 @@ namespace DiscImageChef.Filesystems
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// These parameters define how the nvlist is stored
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const byte NVS_LITTLE_ENDIAN = 1;
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const byte NVS_BIG_ENDIAN = 0;
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const byte NVS_NATIVE = 0;
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const byte NVS_XDR = 1;
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const byte NVS_BIG_ENDIAN = 0;
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const byte NVS_NATIVE = 0;
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const byte NVS_XDR = 1;
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const ulong UBERBLOCK_MAGIC = 0x00BAB10C;
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const uint ZFS_MAGIC = 0x58465342;
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public FileSystemType XmlFsType { get; private set; }
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public Encoding Encoding { get; private set; }
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public string Name => "ZFS Filesystem Plugin";
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public Guid Id => new Guid("0750014F-A714-4692-A369-E23F6EC3659C");
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public Encoding Encoding { get; private set; }
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public string Name => "ZFS Filesystem Plugin";
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public Guid Id => new Guid("0750014F-A714-4692-A369-E23F6EC3659C");
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public bool Identify(IMediaImage imagePlugin, Partition partition)
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{
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if(imagePlugin.Info.SectorSize < 512) return false;
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byte[] sector;
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ulong magic;
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ulong magic;
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if(partition.Start + 31 < partition.End)
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{
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sector = imagePlugin.ReadSector(partition.Start + 31);
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magic = BitConverter.ToUInt64(sector, 0x1D8);
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magic = BitConverter.ToUInt64(sector, 0x1D8);
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if(magic == ZEC_MAGIC || magic == ZEC_CIGAM) return true;
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}
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if(partition.Start + 16 >= partition.End) return false;
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sector = imagePlugin.ReadSector(partition.Start + 16);
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magic = BitConverter.ToUInt64(sector, 0x1D8);
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magic = BitConverter.ToUInt64(sector, 0x1D8);
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return magic == ZEC_MAGIC || magic == ZEC_CIGAM;
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}
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public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
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Encoding encoding)
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Encoding encoding)
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{
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// ZFS is always UTF-8
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Encoding = Encoding.UTF8;
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Encoding = Encoding.UTF8;
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information = "";
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if(imagePlugin.Info.SectorSize < 512) return;
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byte[] sector;
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ulong magic;
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ulong magic;
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ulong nvlistOff = 32;
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uint nvlistLen = 114688 / imagePlugin.Info.SectorSize;
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uint nvlistLen = 114688 / imagePlugin.Info.SectorSize;
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if(partition.Start + 31 < partition.End)
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{
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sector = imagePlugin.ReadSector(partition.Start + 31);
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magic = BitConverter.ToUInt64(sector, 0x1D8);
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magic = BitConverter.ToUInt64(sector, 0x1D8);
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if(magic == ZEC_MAGIC || magic == ZEC_CIGAM) nvlistOff = 32;
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}
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if(partition.Start + 16 < partition.End)
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{
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sector = imagePlugin.ReadSector(partition.Start + 16);
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magic = BitConverter.ToUInt64(sector, 0x1D8);
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magic = BitConverter.ToUInt64(sector, 0x1D8);
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if(magic == ZEC_MAGIC || magic == ZEC_CIGAM) nvlistOff = 17;
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}
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@@ -143,7 +143,7 @@ namespace DiscImageChef.Filesystems
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XmlFsType = new FileSystemType {Type = "ZFS filesystem"};
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if(decodedNvList.TryGetValue("name", out NVS_Item tmpObj)) XmlFsType.VolumeName = (string)tmpObj.value;
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if(decodedNvList.TryGetValue("guid", out tmpObj)) XmlFsType.VolumeSerial = $"{(ulong)tmpObj.value}";
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if(decodedNvList.TryGetValue("guid", out tmpObj)) XmlFsType.VolumeSerial = $"{(ulong)tmpObj.value}";
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if(decodedNvList.TryGetValue("pool_guid", out tmpObj))
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XmlFsType.VolumeSetIdentifier = $"{(ulong)tmpObj.value}";
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}
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@@ -152,7 +152,7 @@ namespace DiscImageChef.Filesystems
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{
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byte[] tmp = new byte[nvlist.Length - 4];
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Array.Copy(nvlist, 4, tmp, 0, nvlist.Length - 4);
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bool xdr = nvlist[0] == 1;
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bool xdr = nvlist[0] == 1;
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bool littleEndian = nvlist[1] == 1;
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return DecodeNvList(tmp, out decodedNvList, xdr, littleEndian);
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@@ -160,7 +160,7 @@ namespace DiscImageChef.Filesystems
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// TODO: Decode native nvlist
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static bool DecodeNvList(byte[] nvlist, out Dictionary<string, NVS_Item> decodedNvList, bool xdr,
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bool littleEndian)
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bool littleEndian)
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{
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decodedNvList = new Dictionary<string, NVS_Item>();
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@@ -173,28 +173,28 @@ namespace DiscImageChef.Filesystems
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int offset = 8;
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while(offset < nvlist.Length)
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{
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NVS_Item item = new NVS_Item();
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int currOff = offset;
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NVS_Item item = new NVS_Item();
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int currOff = offset;
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item.encodedSize = BigEndianBitConverter.ToUInt32(nvlist, offset);
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// Finished
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if(item.encodedSize == 0) break;
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offset += 4;
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item.decodedSize = BigEndianBitConverter.ToUInt32(nvlist, offset);
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offset += 4;
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offset += 4;
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item.decodedSize = BigEndianBitConverter.ToUInt32(nvlist, offset);
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offset += 4;
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uint nameLength = BigEndianBitConverter.ToUInt32(nvlist, offset);
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offset += 4;
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if(nameLength % 4 > 0) nameLength += 4 - nameLength % 4;
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byte[] nameBytes = new byte[nameLength];
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byte[] nameBytes = new byte[nameLength];
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Array.Copy(nvlist, offset, nameBytes, 0, nameLength);
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item.name = StringHandlers.CToString(nameBytes);
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offset += (int)nameLength;
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item.dataType = (NVS_DataTypes)BigEndianBitConverter.ToUInt32(nvlist, offset);
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offset += 4;
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item.elements = BigEndianBitConverter.ToUInt32(nvlist, offset);
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offset += 4;
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item.name = StringHandlers.CToString(nameBytes);
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offset += (int)nameLength;
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item.dataType = (NVS_DataTypes)BigEndianBitConverter.ToUInt32(nvlist, offset);
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offset += 4;
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item.elements = BigEndianBitConverter.ToUInt32(nvlist, offset);
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offset += 4;
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if(item.elements == 0)
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{
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@@ -213,8 +213,8 @@ namespace DiscImageChef.Filesystems
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for(int i = 0; i < item.elements; i++)
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{
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uint temp = BigEndianBitConverter.ToUInt32(nvlist, offset);
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boolArray[i] = temp > 0;
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offset += 4;
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boolArray[i] = temp > 0;
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offset += 4;
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}
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item.value = boolArray;
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@@ -222,8 +222,8 @@ namespace DiscImageChef.Filesystems
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else
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{
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uint temp = BigEndianBitConverter.ToUInt32(nvlist, offset);
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item.value = temp > 0;
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offset += 4;
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item.value = temp > 0;
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offset += 4;
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}
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break;
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@@ -241,9 +241,10 @@ namespace DiscImageChef.Filesystems
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}
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else
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{
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item.value = nvlist[offset];
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offset += 4;
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item.value = nvlist[offset];
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offset += 4;
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}
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break;
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case NVS_DataTypes.DATA_TYPE_DOUBLE:
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if(item.elements > 1)
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@@ -252,16 +253,16 @@ namespace DiscImageChef.Filesystems
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for(int i = 0; i < item.elements; i++)
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{
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double temp = BigEndianBitConverter.ToDouble(nvlist, offset);
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doubleArray[i] = temp;
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offset += 8;
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doubleArray[i] = temp;
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offset += 8;
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}
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item.value = doubleArray;
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}
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else
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{
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item.value = BigEndianBitConverter.ToDouble(nvlist, offset);
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offset += 8;
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item.value = BigEndianBitConverter.ToDouble(nvlist, offset);
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offset += 8;
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}
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break;
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@@ -273,8 +274,8 @@ namespace DiscImageChef.Filesystems
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{
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DateTime temp =
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DateHandlers.UnixHrTimeToDateTime(BigEndianBitConverter.ToUInt64(nvlist, offset));
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hrtimeArray[i] = temp;
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offset += 8;
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hrtimeArray[i] = temp;
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offset += 8;
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}
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item.value = hrtimeArray;
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@@ -295,16 +296,16 @@ namespace DiscImageChef.Filesystems
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for(int i = 0; i < item.elements; i++)
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{
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short temp = BigEndianBitConverter.ToInt16(nvlist, offset);
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shortArray[i] = temp;
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offset += 4;
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shortArray[i] = temp;
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offset += 4;
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}
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item.value = shortArray;
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}
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else
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{
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item.value = BigEndianBitConverter.ToInt16(nvlist, offset);
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offset += 4;
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item.value = BigEndianBitConverter.ToInt16(nvlist, offset);
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offset += 4;
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}
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break;
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@@ -316,16 +317,16 @@ namespace DiscImageChef.Filesystems
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for(int i = 0; i < item.elements; i++)
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{
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int temp = BigEndianBitConverter.ToInt32(nvlist, offset);
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intArray[i] = temp;
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offset += 4;
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intArray[i] = temp;
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offset += 4;
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}
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item.value = intArray;
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}
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else
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{
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item.value = BigEndianBitConverter.ToInt32(nvlist, offset);
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offset += 4;
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item.value = BigEndianBitConverter.ToInt32(nvlist, offset);
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offset += 4;
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}
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break;
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@@ -337,16 +338,16 @@ namespace DiscImageChef.Filesystems
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for(int i = 0; i < item.elements; i++)
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{
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long temp = BigEndianBitConverter.ToInt64(nvlist, offset);
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longArray[i] = temp;
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offset += 8;
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longArray[i] = temp;
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offset += 8;
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}
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item.value = longArray;
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}
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else
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{
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item.value = BigEndianBitConverter.ToInt64(nvlist, offset);
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offset += 8;
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item.value = BigEndianBitConverter.ToInt64(nvlist, offset);
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offset += 8;
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}
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break;
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@@ -367,8 +368,8 @@ namespace DiscImageChef.Filesystems
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}
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else
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{
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item.value = BigEndianBitConverter.ToInt64(nvlist, offset);
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offset += 4;
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item.value = BigEndianBitConverter.ToInt64(nvlist, offset);
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offset += 4;
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}
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break;
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@@ -383,8 +384,8 @@ namespace DiscImageChef.Filesystems
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offset += 4;
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byte[] strBytes = new byte[strLength];
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Array.Copy(nvlist, offset, strBytes, 0, strLength);
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stringArray[i] = StringHandlers.CToString(strBytes);
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offset += (int)strLength;
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stringArray[i] = StringHandlers.CToString(strBytes);
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offset += (int)strLength;
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if(strLength % 4 > 0) offset += 4 - (int)(strLength % 4);
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}
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@@ -396,8 +397,8 @@ namespace DiscImageChef.Filesystems
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offset += 4;
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byte[] strBytes = new byte[strLength];
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Array.Copy(nvlist, offset, strBytes, 0, strLength);
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item.value = StringHandlers.CToString(strBytes);
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offset += (int)strLength;
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item.value = StringHandlers.CToString(strBytes);
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offset += (int)strLength;
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if(strLength % 4 > 0) offset += 4 - (int)(strLength % 4);
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}
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@@ -410,16 +411,16 @@ namespace DiscImageChef.Filesystems
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for(int i = 0; i < item.elements; i++)
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{
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ushort temp = BigEndianBitConverter.ToUInt16(nvlist, offset);
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ushortArray[i] = temp;
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offset += 4;
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ushortArray[i] = temp;
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offset += 4;
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}
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item.value = ushortArray;
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}
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else
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{
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item.value = BigEndianBitConverter.ToUInt16(nvlist, offset);
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offset += 4;
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item.value = BigEndianBitConverter.ToUInt16(nvlist, offset);
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offset += 4;
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}
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break;
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@@ -431,16 +432,16 @@ namespace DiscImageChef.Filesystems
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for(int i = 0; i < item.elements; i++)
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{
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uint temp = BigEndianBitConverter.ToUInt32(nvlist, offset);
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uintArray[i] = temp;
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offset += 4;
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uintArray[i] = temp;
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offset += 4;
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}
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item.value = uintArray;
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}
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else
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{
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item.value = BigEndianBitConverter.ToUInt32(nvlist, offset);
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offset += 4;
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item.value = BigEndianBitConverter.ToUInt32(nvlist, offset);
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offset += 4;
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}
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break;
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@@ -452,16 +453,16 @@ namespace DiscImageChef.Filesystems
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for(int i = 0; i < item.elements; i++)
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{
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ulong temp = BigEndianBitConverter.ToUInt64(nvlist, offset);
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ulongArray[i] = temp;
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offset += 8;
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ulongArray[i] = temp;
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offset += 8;
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}
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item.value = ulongArray;
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}
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else
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{
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item.value = BigEndianBitConverter.ToUInt64(nvlist, offset);
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offset += 8;
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item.value = BigEndianBitConverter.ToUInt64(nvlist, offset);
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offset += 8;
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}
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break;
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@@ -479,7 +480,7 @@ namespace DiscImageChef.Filesystems
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byte[] unknown = new byte[item.encodedSize - (offset - currOff)];
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Array.Copy(nvlist, offset, unknown, 0, unknown.Length);
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item.value = unknown;
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offset = (int)(currOff + item.encodedSize);
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offset = (int)(currOff + item.encodedSize);
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break;
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}
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@@ -624,7 +625,8 @@ namespace DiscImageChef.Filesystems
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struct ZIO_Checksum
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)] public ulong[] word;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
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public ulong[] word;
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}
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/// <summary>
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@@ -633,8 +635,9 @@ namespace DiscImageChef.Filesystems
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct ZIO_Empty
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 472)] public byte[] empty;
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public ulong magic;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 472)]
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public byte[] empty;
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public ulong magic;
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public ZIO_Checksum checksum;
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}
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@@ -657,8 +660,8 @@ namespace DiscImageChef.Filesystems
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struct NVS_XDR_Header
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{
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public NVS_Method encodingAndEndian;
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public uint version;
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public uint flags;
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public uint version;
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public uint flags;
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}
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enum NVS_DataTypes : uint
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@@ -727,7 +730,8 @@ namespace DiscImageChef.Filesystems
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct DVA
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)] public ulong[] word;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
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public ulong[] word;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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@@ -736,7 +740,8 @@ namespace DiscImageChef.Filesystems
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/// <summary>
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/// Data virtual address
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/// </summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)] public DVA[] dataVirtualAddress;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
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public DVA[] dataVirtualAddress;
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/// <summary>
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/// Block properties
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/// </summary>
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@@ -763,13 +768,13 @@ namespace DiscImageChef.Filesystems
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct ZFS_Uberblock
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{
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public ulong magic;
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public ulong spaVersion;
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public ulong lastTxg;
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public ulong guidSum;
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public ulong timestamp;
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public ulong magic;
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public ulong spaVersion;
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public ulong lastTxg;
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public ulong guidSum;
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public ulong timestamp;
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public SPA_BlockPointer mosPtr;
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public ulong softwareVersion;
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public ulong softwareVersion;
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}
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}
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}
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Reference in New Issue
Block a user