diff options
Diffstat (limited to 'Emby.Server.Implementations/IO/SharpCifs/Smb/Trans2QueryFSInformationResponse.cs')
| -rw-r--r-- | Emby.Server.Implementations/IO/SharpCifs/Smb/Trans2QueryFSInformationResponse.cs | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/Emby.Server.Implementations/IO/SharpCifs/Smb/Trans2QueryFSInformationResponse.cs b/Emby.Server.Implementations/IO/SharpCifs/Smb/Trans2QueryFSInformationResponse.cs new file mode 100644 index 000000000..2253e7b6f --- /dev/null +++ b/Emby.Server.Implementations/IO/SharpCifs/Smb/Trans2QueryFSInformationResponse.cs @@ -0,0 +1,192 @@ +// This code is derived from jcifs smb client library <jcifs at samba dot org> +// Ported by J. Arturo <webmaster at komodosoft dot net> +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 2.1 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +namespace SharpCifs.Smb +{ + internal class Trans2QueryFsInformationResponse : SmbComTransactionResponse + { + internal const int SMB_INFO_ALLOCATION = 1; + + internal const int SmbQueryFsSizeInfo = unchecked(0x103); + + internal const int SmbFsFullSizeInformation = 1007; + + internal class SmbInfoAllocation : IAllocInfo + { + internal long Alloc; + + internal long Free; + + internal int SectPerAlloc; + + internal int BytesPerSect; + + // information levels + // Also handles SmbQueryFSSizeInfo + public virtual long GetCapacity() + { + return Alloc * SectPerAlloc * BytesPerSect; + } + + public virtual long GetFree() + { + return Free * SectPerAlloc * BytesPerSect; + } + + public override string ToString() + { + return "SmbInfoAllocation[" + "alloc=" + Alloc + ",free=" + Free + ",sectPerAlloc=" + SectPerAlloc + ",bytesPerSect=" + BytesPerSect + + "]"; + } + + internal SmbInfoAllocation(Trans2QueryFsInformationResponse enclosing) + { + this._enclosing = enclosing; + } + + private readonly Trans2QueryFsInformationResponse _enclosing; + } + + private int _informationLevel; + + internal IAllocInfo Info; + + internal Trans2QueryFsInformationResponse(int informationLevel) + { + this._informationLevel = informationLevel; + Command = SmbComTransaction2; + SubCommand = Smb.SmbComTransaction.Trans2QueryFsInformation; + } + + internal override int WriteSetupWireFormat(byte[] dst, int dstIndex) + { + return 0; + } + + internal override int WriteParametersWireFormat(byte[] dst, int dstIndex) + { + return 0; + } + + internal override int WriteDataWireFormat(byte[] dst, int dstIndex) + { + return 0; + } + + internal override int ReadSetupWireFormat(byte[] buffer, int bufferIndex, int len + ) + { + return 0; + } + + internal override int ReadParametersWireFormat(byte[] buffer, int bufferIndex, int + len) + { + return 0; + } + + internal override int ReadDataWireFormat(byte[] buffer, int bufferIndex, int len) + { + switch (_informationLevel) + { + case SMB_INFO_ALLOCATION: + { + return ReadSmbInfoAllocationWireFormat(buffer, bufferIndex); + } + + case SmbQueryFsSizeInfo: + { + return ReadSmbQueryFsSizeInfoWireFormat(buffer, bufferIndex); + } + + case SmbFsFullSizeInformation: + { + return ReadFsFullSizeInformationWireFormat(buffer, bufferIndex); + } + + default: + { + return 0; + } + } + } + + internal virtual int ReadSmbInfoAllocationWireFormat(byte[] buffer, int bufferIndex + ) + { + int start = bufferIndex; + SmbInfoAllocation info = new SmbInfoAllocation + (this); + bufferIndex += 4; + // skip idFileSystem + info.SectPerAlloc = ReadInt4(buffer, bufferIndex); + bufferIndex += 4; + info.Alloc = ReadInt4(buffer, bufferIndex); + bufferIndex += 4; + info.Free = ReadInt4(buffer, bufferIndex); + bufferIndex += 4; + info.BytesPerSect = ReadInt2(buffer, bufferIndex); + bufferIndex += 4; + this.Info = info; + return bufferIndex - start; + } + + internal virtual int ReadSmbQueryFsSizeInfoWireFormat(byte[] buffer, int bufferIndex + ) + { + int start = bufferIndex; + SmbInfoAllocation info = new SmbInfoAllocation + (this); + info.Alloc = ReadInt8(buffer, bufferIndex); + bufferIndex += 8; + info.Free = ReadInt8(buffer, bufferIndex); + bufferIndex += 8; + info.SectPerAlloc = ReadInt4(buffer, bufferIndex); + bufferIndex += 4; + info.BytesPerSect = ReadInt4(buffer, bufferIndex); + bufferIndex += 4; + this.Info = info; + return bufferIndex - start; + } + + internal virtual int ReadFsFullSizeInformationWireFormat(byte[] buffer, int bufferIndex + ) + { + int start = bufferIndex; + SmbInfoAllocation info = new SmbInfoAllocation + (this); + // Read total allocation units. + info.Alloc = ReadInt8(buffer, bufferIndex); + bufferIndex += 8; + // read caller available allocation units + info.Free = ReadInt8(buffer, bufferIndex); + bufferIndex += 8; + // skip actual free units + bufferIndex += 8; + info.SectPerAlloc = ReadInt4(buffer, bufferIndex); + bufferIndex += 4; + info.BytesPerSect = ReadInt4(buffer, bufferIndex); + bufferIndex += 4; + this.Info = info; + return bufferIndex - start; + } + + public override string ToString() + { + return "Trans2QueryFSInformationResponse[" + base.ToString() + "]"; + } + } +} |
