diff options
Diffstat (limited to 'Emby.Common.Implementations/IO/SharpCifs/Ntlmssp/NtlmMessage.cs')
| -rw-r--r-- | Emby.Common.Implementations/IO/SharpCifs/Ntlmssp/NtlmMessage.cs | 250 |
1 files changed, 132 insertions, 118 deletions
diff --git a/Emby.Common.Implementations/IO/SharpCifs/Ntlmssp/NtlmMessage.cs b/Emby.Common.Implementations/IO/SharpCifs/Ntlmssp/NtlmMessage.cs index 02827d2d0..d72a434af 100644 --- a/Emby.Common.Implementations/IO/SharpCifs/Ntlmssp/NtlmMessage.cs +++ b/Emby.Common.Implementations/IO/SharpCifs/Ntlmssp/NtlmMessage.cs @@ -18,123 +18,137 @@ using System; namespace SharpCifs.Ntlmssp { - /// <summary>Abstract superclass for all NTLMSSP messages.</summary> - /// <remarks>Abstract superclass for all NTLMSSP messages.</remarks> - public abstract class NtlmMessage : NtlmFlags - { - /// <summary>The NTLMSSP "preamble".</summary> - /// <remarks>The NTLMSSP "preamble".</remarks> - protected internal static readonly byte[] NtlmsspSignature = { unchecked( - (byte)('N')), unchecked((byte)('T')), unchecked((byte)('L')), - unchecked((byte)('M')), unchecked((byte)('S')), unchecked((byte - )('S')), unchecked((byte)('P')), unchecked(0) }; - - private static readonly string OemEncoding = Config.DefaultOemEncoding; - - protected internal static readonly string UniEncoding = "UTF-16LE"; - - private int _flags; - - /// <summary>Returns the flags currently in use for this message.</summary> - /// <remarks>Returns the flags currently in use for this message.</remarks> - /// <returns> - /// An <code>int</code> containing the flags in use for this - /// message. - /// </returns> - public virtual int GetFlags() - { - return _flags; - } - - /// <summary>Sets the flags for this message.</summary> - /// <remarks>Sets the flags for this message.</remarks> - /// <param name="flags">The flags for this message.</param> - public virtual void SetFlags(int flags) - { - this._flags = flags; - } - - /// <summary>Returns the status of the specified flag.</summary> - /// <remarks>Returns the status of the specified flag.</remarks> - /// <param name="flag">The flag to test (i.e., <code>NTLMSSP_NEGOTIATE_OEM</code>).</param> - /// <returns>A <code>boolean</code> indicating whether the flag is set.</returns> - public virtual bool GetFlag(int flag) - { - return (GetFlags() & flag) != 0; - } - - /// <summary>Sets or clears the specified flag.</summary> - /// <remarks>Sets or clears the specified flag.</remarks> - /// <param name="flag"> - /// The flag to set/clear (i.e., - /// <code>NTLMSSP_NEGOTIATE_OEM</code>). - /// </param> - /// <param name="value"> - /// Indicates whether to set (<code>true</code>) or - /// clear (<code>false</code>) the specified flag. - /// </param> - public virtual void SetFlag(int flag, bool value) - { - SetFlags(value ? (GetFlags() | flag) : (GetFlags() & (unchecked((int)(0xffffffff) - ) ^ flag))); - } - - internal static int ReadULong(byte[] src, int index) - { - return (src[index] & unchecked(0xff)) | ((src[index + 1] & unchecked(0xff)) << 8) | ((src[index + 2] & unchecked(0xff)) << 16) | ((src[index - + 3] & unchecked(0xff)) << 24); - } - - internal static int ReadUShort(byte[] src, int index) - { - return (src[index] & unchecked(0xff)) | ((src[index + 1] & unchecked(0xff)) << 8); - } - - internal static byte[] ReadSecurityBuffer(byte[] src, int index) - { - int length = ReadUShort(src, index); - int offset = ReadULong(src, index + 4); - byte[] buffer = new byte[length]; - Array.Copy(src, offset, buffer, 0, length); - return buffer; - } - - internal static void WriteULong(byte[] dest, int offset, int value) - { - dest[offset] = unchecked((byte)(value & unchecked(0xff))); - dest[offset + 1] = unchecked((byte)(value >> 8 & unchecked(0xff))); - dest[offset + 2] = unchecked((byte)(value >> 16 & unchecked(0xff))); - dest[offset + 3] = unchecked((byte)(value >> 24 & unchecked(0xff))); - } - - internal static void WriteUShort(byte[] dest, int offset, int value) - { - dest[offset] = unchecked((byte)(value & unchecked(0xff))); + /// <summary>Abstract superclass for all NTLMSSP messages.</summary> + /// <remarks>Abstract superclass for all NTLMSSP messages.</remarks> + public abstract class NtlmMessage : NtlmFlags + { + /// <summary>The NTLMSSP "preamble".</summary> + /// <remarks>The NTLMSSP "preamble".</remarks> + protected internal static readonly byte[] NtlmsspSignature = + { + unchecked((byte)('N')), + unchecked((byte)('T')), + unchecked((byte)('L')), + unchecked((byte)('M')), + unchecked((byte)('S')), + unchecked((byte)('S')), + unchecked((byte)('P')), + unchecked(0) + }; + + private static readonly string OemEncoding = Config.DefaultOemEncoding; + + protected internal static readonly string UniEncoding = "UTF-16LE"; + + private int _flags; + + /// <summary>Returns the flags currently in use for this message.</summary> + /// <remarks>Returns the flags currently in use for this message.</remarks> + /// <returns> + /// An <code>int</code> containing the flags in use for this + /// message. + /// </returns> + public virtual int GetFlags() + { + return _flags; + } + + /// <summary>Sets the flags for this message.</summary> + /// <remarks>Sets the flags for this message.</remarks> + /// <param name="flags">The flags for this message.</param> + public virtual void SetFlags(int flags) + { + this._flags = flags; + } + + /// <summary>Returns the status of the specified flag.</summary> + /// <remarks>Returns the status of the specified flag.</remarks> + /// <param name="flag">The flag to test (i.e., <code>NTLMSSP_NEGOTIATE_OEM</code>).</param> + /// <returns>A <code>boolean</code> indicating whether the flag is set.</returns> + public virtual bool GetFlag(int flag) + { + return (GetFlags() & flag) != 0; + } + + /// <summary>Sets or clears the specified flag.</summary> + /// <remarks>Sets or clears the specified flag.</remarks> + /// <param name="flag"> + /// The flag to set/clear (i.e., + /// <code>NTLMSSP_NEGOTIATE_OEM</code>). + /// </param> + /// <param name="value"> + /// Indicates whether to set (<code>true</code>) or + /// clear (<code>false</code>) the specified flag. + /// </param> + public virtual void SetFlag(int flag, bool value) + { + SetFlags(value + ? (GetFlags() | flag) + : (GetFlags() & (unchecked((int)(0xffffffff)) ^ flag))); + } + + internal static int ReadULong(byte[] src, int index) + { + return (src[index] & unchecked(0xff)) + | ((src[index + 1] & unchecked(0xff)) << 8) + | ((src[index + 2] & unchecked(0xff)) << 16) + | ((src[index + 3] & unchecked(0xff)) << 24); + } + + internal static int ReadUShort(byte[] src, int index) + { + return (src[index] & unchecked(0xff)) | ((src[index + 1] & unchecked(0xff)) << 8); + } + + internal static byte[] ReadSecurityBuffer(byte[] src, int index) + { + int length = ReadUShort(src, index); + int offset = ReadULong(src, index + 4); + byte[] buffer = new byte[length]; + Array.Copy(src, offset, buffer, 0, length); + return buffer; + } + + internal static void WriteULong(byte[] dest, int offset, int value) + { + dest[offset] = unchecked((byte)(value & unchecked(0xff))); dest[offset + 1] = unchecked((byte)(value >> 8 & unchecked(0xff))); - } - - internal static void WriteSecurityBuffer(byte[] dest, int offset, int bodyOffset, - byte[] src) - { - int length = (src != null) ? src.Length : 0; - if (length == 0) - { - return; - } - WriteUShort(dest, offset, length); - WriteUShort(dest, offset + 2, length); - WriteULong(dest, offset + 4, bodyOffset); - Array.Copy(src, 0, dest, bodyOffset, length); - } - - internal static string GetOemEncoding() - { - return OemEncoding; - } - - /// <summary>Returns the raw byte representation of this message.</summary> - /// <remarks>Returns the raw byte representation of this message.</remarks> - /// <returns>A <code>byte[]</code> containing the raw message material.</returns> - public abstract byte[] ToByteArray(); - } + dest[offset + 2] = unchecked((byte)(value >> 16 & unchecked(0xff))); + dest[offset + 3] = unchecked((byte)(value >> 24 & unchecked(0xff))); + } + + internal static void WriteUShort(byte[] dest, int offset, int value) + { + dest[offset] = unchecked((byte)(value & unchecked(0xff))); + dest[offset + 1] = unchecked((byte)(value >> 8 & unchecked(0xff))); + } + + internal static void WriteSecurityBuffer(byte[] dest, + int offset, + int bodyOffset, + byte[] src) + { + int length = (src != null) + ? src.Length + : 0; + if (length == 0) + { + return; + } + WriteUShort(dest, offset, length); + WriteUShort(dest, offset + 2, length); + WriteULong(dest, offset + 4, bodyOffset); + Array.Copy(src, 0, dest, bodyOffset, length); + } + + internal static string GetOemEncoding() + { + return OemEncoding; + } + + /// <summary>Returns the raw byte representation of this message.</summary> + /// <remarks>Returns the raw byte representation of this message.</remarks> + /// <returns>A <code>byte[]</code> containing the raw message material.</returns> + public abstract byte[] ToByteArray(); + } } |