mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
Code restyling.
This commit is contained in:
@@ -46,15 +46,20 @@ namespace Aaru.Filesystems.FATX
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{
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public partial class XboxFatPlugin
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{
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public Errno Mount(IMediaImage imagePlugin, Partition partition, Encoding encoding,
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Dictionary<string, string> options, string @namespace)
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public Errno Mount(IMediaImage imagePlugin, Partition partition, Encoding encoding,
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Dictionary<string, string> options, string @namespace)
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{
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Encoding = Encoding.GetEncoding("iso-8859-15");
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littleEndian = true;
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if(options == null) options = GetDefaultOptions();
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if(options.TryGetValue("debug", out string debugString)) bool.TryParse(debugString, out debug);
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if(imagePlugin.Info.SectorSize < 512) return Errno.InvalidArgument;
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if(options == null)
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options = GetDefaultOptions();
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if(options.TryGetValue("debug", out string debugString))
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bool.TryParse(debugString, out debug);
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if(imagePlugin.Info.SectorSize < 512)
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return Errno.InvalidArgument;
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "Reading superblock");
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@@ -68,14 +73,16 @@ namespace Aaru.Filesystems.FATX
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littleEndian = false;
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}
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if(superblock.magic != FATX_MAGIC) return Errno.InvalidArgument;
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if(superblock.magic != FATX_MAGIC)
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return Errno.InvalidArgument;
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AaruConsole.DebugWriteLine("Xbox FAT plugin",
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littleEndian ? "Filesystem is little endian" : "Filesystem is big endian");
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littleEndian ? "Filesystem is little endian" : "Filesystem is big endian");
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int logicalSectorsPerPhysicalSectors = partition.Offset == 0 && littleEndian ? 8 : 1;
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "logicalSectorsPerPhysicalSectors = {0}",
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logicalSectorsPerPhysicalSectors);
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logicalSectorsPerPhysicalSectors);
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string volumeLabel = StringHandlers.CToString(superblock.volumeLabel,
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!littleEndian ? Encoding.BigEndianUnicode : Encoding.Unicode,
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@@ -84,37 +91,36 @@ namespace Aaru.Filesystems.FATX
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XmlFsType = new FileSystemType
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{
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Type = "FATX filesystem",
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ClusterSize =
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(uint)(superblock.sectorsPerCluster * logicalSectorsPerPhysicalSectors *
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imagePlugin.Info.SectorSize),
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VolumeName = volumeLabel,
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VolumeSerial = $"{superblock.id:X8}"
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ClusterSize = (uint)(superblock.sectorsPerCluster * logicalSectorsPerPhysicalSectors *
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imagePlugin.Info.SectorSize),
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VolumeName = volumeLabel, VolumeSerial = $"{superblock.id:X8}"
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};
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XmlFsType.Clusters = (partition.End - partition.Start + 1) * imagePlugin.Info.SectorSize /
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XmlFsType.Clusters = (((partition.End - partition.Start) + 1) * imagePlugin.Info.SectorSize) /
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XmlFsType.ClusterSize;
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statfs = new FileSystemInfo
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{
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Blocks = XmlFsType.Clusters,
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FilenameLength = MAX_FILENAME,
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Files = 0, // Requires traversing all directories
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FreeFiles = 0,
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Id = {IsInt = true, Serial32 = superblock.magic},
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PluginId = Id,
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Type = littleEndian ? "Xbox FAT" : "Xbox 360 FAT",
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FreeBlocks = 0 // Requires traversing the FAT
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Blocks = XmlFsType.Clusters, FilenameLength = MAX_FILENAME,
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Files = 0, // Requires traversing all directories
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FreeFiles = 0, Id =
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{
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IsInt = true, Serial32 = superblock.magic
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},
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PluginId = Id, Type = littleEndian ? "Xbox FAT" : "Xbox 360 FAT",
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FreeBlocks = 0 // Requires traversing the FAT
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};
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "XmlFsType.ClusterSize: {0}", XmlFsType.ClusterSize);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "XmlFsType.VolumeName: {0}", XmlFsType.VolumeName);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "XmlFsType.ClusterSize: {0}", XmlFsType.ClusterSize);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "XmlFsType.VolumeName: {0}", XmlFsType.VolumeName);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "XmlFsType.VolumeSerial: {0}", XmlFsType.VolumeSerial);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "stat.Blocks: {0}", statfs.Blocks);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "stat.FilenameLength: {0}", statfs.FilenameLength);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "stat.Id: {0}", statfs.Id.Serial32);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "stat.Type: {0}", statfs.Type);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "stat.Blocks: {0}", statfs.Blocks);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "stat.FilenameLength: {0}", statfs.FilenameLength);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "stat.Id: {0}", statfs.Id.Serial32);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "stat.Type: {0}", statfs.Type);
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byte[] buffer;
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fatStartSector = FAT_START / imagePlugin.Info.SectorSize + partition.Start;
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fatStartSector = (FAT_START / imagePlugin.Info.SectorSize) + partition.Start;
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uint fatSize;
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "fatStartSector: {0}", fatStartSector);
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@@ -123,12 +129,17 @@ namespace Aaru.Filesystems.FATX
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{
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "Reading FAT32");
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fatSize = (uint)((statfs.Blocks + 1) * sizeof(uint) / imagePlugin.Info.SectorSize);
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if((uint)((statfs.Blocks + 1) * sizeof(uint) % imagePlugin.Info.SectorSize) > 0) fatSize++;
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fatSize = (uint)(((statfs.Blocks + 1) * sizeof(uint)) / imagePlugin.Info.SectorSize);
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long fatClusters = fatSize * imagePlugin.Info.SectorSize / 4096;
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if(fatSize * imagePlugin.Info.SectorSize % 4096 > 0) fatClusters++;
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fatSize = (uint)(fatClusters * 4096 / imagePlugin.Info.SectorSize);
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if((uint)(((statfs.Blocks + 1) * sizeof(uint)) % imagePlugin.Info.SectorSize) > 0)
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fatSize++;
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long fatClusters = (fatSize * imagePlugin.Info.SectorSize) / 4096;
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if((fatSize * imagePlugin.Info.SectorSize) % 4096 > 0)
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fatClusters++;
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fatSize = (uint)((fatClusters * 4096) / imagePlugin.Info.SectorSize);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "FAT is {0} sectors", fatSize);
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@@ -136,23 +147,31 @@ namespace Aaru.Filesystems.FATX
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "Casting FAT");
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fat32 = MemoryMarshal.Cast<byte, uint>(buffer).ToArray();
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if(!littleEndian)
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for(int i = 0; i < fat32.Length; i++)
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fat32[i] = Swapping.Swap(fat32[i]);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "fat32[0] == FATX32_ID = {0}", fat32[0] == FATX32_ID);
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if(fat32[0] != FATX32_ID) return Errno.InvalidArgument;
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if(fat32[0] != FATX32_ID)
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return Errno.InvalidArgument;
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}
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else
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{
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "Reading FAT16");
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fatSize = (uint)((statfs.Blocks + 1) * sizeof(ushort) / imagePlugin.Info.SectorSize);
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if((uint)((statfs.Blocks + 1) * sizeof(ushort) % imagePlugin.Info.SectorSize) > 0) fatSize++;
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fatSize = (uint)(((statfs.Blocks + 1) * sizeof(ushort)) / imagePlugin.Info.SectorSize);
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long fatClusters = fatSize * imagePlugin.Info.SectorSize / 4096;
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if(fatSize * imagePlugin.Info.SectorSize % 4096 > 0) fatClusters++;
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fatSize = (uint)(fatClusters * 4096 / imagePlugin.Info.SectorSize);
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if((uint)(((statfs.Blocks + 1) * sizeof(ushort)) % imagePlugin.Info.SectorSize) > 0)
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fatSize++;
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long fatClusters = (fatSize * imagePlugin.Info.SectorSize) / 4096;
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if((fatSize * imagePlugin.Info.SectorSize) % 4096 > 0)
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fatClusters++;
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fatSize = (uint)((fatClusters * 4096) / imagePlugin.Info.SectorSize);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "FAT is {0} sectors", fatSize);
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@@ -160,12 +179,15 @@ namespace Aaru.Filesystems.FATX
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "Casting FAT");
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fat16 = MemoryMarshal.Cast<byte, ushort>(buffer).ToArray();
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if(!littleEndian)
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for(int i = 0; i < fat16.Length; i++)
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fat16[i] = Swapping.Swap(fat16[i]);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "fat16[0] == FATX16_ID = {0}", fat16[0] == FATX16_ID);
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if(fat16[0] != FATX16_ID) return Errno.InvalidArgument;
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if(fat16[0] != FATX16_ID)
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return Errno.InvalidArgument;
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}
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sectorsPerCluster = (uint)(superblock.sectorsPerCluster * logicalSectorsPerPhysicalSectors);
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@@ -173,46 +195,54 @@ namespace Aaru.Filesystems.FATX
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firstClusterSector = fatStartSector + fatSize;
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bytesPerCluster = sectorsPerCluster * imagePlugin.Info.SectorSize;
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "sectorsPerCluster = {0}", sectorsPerCluster);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "bytesPerCluster = {0}", bytesPerCluster);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "sectorsPerCluster = {0}", sectorsPerCluster);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "bytesPerCluster = {0}", bytesPerCluster);
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "firstClusterSector = {0}", firstClusterSector);
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uint[] rootDirectoryClusters = GetClusters(superblock.rootDirectoryCluster);
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if(rootDirectoryClusters is null) return Errno.InvalidArgument;
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if(rootDirectoryClusters is null)
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return Errno.InvalidArgument;
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byte[] rootDirectoryBuffer = new byte[bytesPerCluster * rootDirectoryClusters.Length];
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AaruConsole.DebugWriteLine("Xbox FAT plugin", "Reading root directory");
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for(int i = 0; i < rootDirectoryClusters.Length; i++)
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{
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buffer =
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imagePlugin.ReadSectors(firstClusterSector + (rootDirectoryClusters[i] - 1) * sectorsPerCluster,
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imagePlugin.ReadSectors(firstClusterSector + ((rootDirectoryClusters[i] - 1) * sectorsPerCluster),
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sectorsPerCluster);
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Array.Copy(buffer, 0, rootDirectoryBuffer, i * bytesPerCluster, bytesPerCluster);
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}
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rootDirectory = new Dictionary<string, DirectoryEntry>();
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int pos = 0;
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while(pos < rootDirectoryBuffer.Length)
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{
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DirectoryEntry entry = littleEndian
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? Marshal
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.ByteArrayToStructureLittleEndian<DirectoryEntry
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? Marshal.
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ByteArrayToStructureLittleEndian<DirectoryEntry
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>(rootDirectoryBuffer, pos, Marshal.SizeOf<DirectoryEntry>())
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: Marshal.ByteArrayToStructureBigEndian<DirectoryEntry>(rootDirectoryBuffer,
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pos,
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Marshal
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.SizeOf<
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Marshal.
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SizeOf<
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DirectoryEntry
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>());
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pos += Marshal.SizeOf<DirectoryEntry>();
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if(entry.filenameSize == UNUSED_DIRENTRY || entry.filenameSize == FINISHED_DIRENTRY) break;
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if(entry.filenameSize == UNUSED_DIRENTRY ||
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entry.filenameSize == FINISHED_DIRENTRY)
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break;
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if(entry.filenameSize == DELETED_DIRENTRY || entry.filenameSize > MAX_FILENAME) continue;
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if(entry.filenameSize == DELETED_DIRENTRY ||
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entry.filenameSize > MAX_FILENAME)
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continue;
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string filename = Encoding.GetString(entry.filename, 0, entry.filenameSize);
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@@ -228,7 +258,8 @@ namespace Aaru.Filesystems.FATX
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public Errno Unmount()
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{
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if(!mounted) return Errno.AccessDenied;
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if(!mounted)
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return Errno.AccessDenied;
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fat16 = null;
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fat32 = null;
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@@ -241,7 +272,9 @@ namespace Aaru.Filesystems.FATX
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public Errno StatFs(out FileSystemInfo stat)
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{
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stat = null;
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if(!mounted) return Errno.AccessDenied;
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if(!mounted)
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return Errno.AccessDenied;
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stat = statfs.ShallowCopy();
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