Exemplo n.º 1
0
		/// <summary>
		/// Set the data from the raw values provided.
		/// </summary>
		/// <param name="data">The raw data to extract values from.</param>
		/// <param name="index">The index to start extracting values from.</param>
		/// <param name="count">The number of bytes available.</param>
		public void SetData(byte[] data, int index, int count)
		{
			using (MemoryStream ms = new MemoryStream(data, index, count, false)) 
			using (ZipHelperStream helperStream = new ZipHelperStream(ms))
			{
				helperStream.ReadLEInt(); // Reserved
				while (helperStream.Position < helperStream.Length)
				{
					int ntfsTag = helperStream.ReadLEShort();
					int ntfsLength = helperStream.ReadLEShort();
					if (ntfsTag == 1)
					{
						if (ntfsLength >= 24)
						{
							long lastModificationTicks = helperStream.ReadLELong();
							lastModificationTime_ = DateTime.FromFileTime(lastModificationTicks);

							long lastAccessTicks = helperStream.ReadLELong();
							lastAccessTime_ = DateTime.FromFileTime(lastAccessTicks);

							long createTimeTicks = helperStream.ReadLELong();
							createTime_ = DateTime.FromFileTime(createTimeTicks);
						}
						break;
					}
					else
					{
						// An unknown NTFS tag so simply skip it.
						helperStream.Seek(ntfsLength, SeekOrigin.Current);
					}
				}
			}
		}
Exemplo n.º 2
0
		/// <summary>
		/// Set the data from the raw values provided.
		/// </summary>
		/// <param name="data">The raw data to extract values from.</param>
		/// <param name="index">The index to start extracting values from.</param>
		/// <param name="count">The number of bytes available.</param>
		public void SetData(byte[] data, int index, int count)
		{
			using (MemoryStream ms = new MemoryStream(data, index, count, false))
			using (ZipHelperStream helperStream = new ZipHelperStream(ms))
			{
				// bit 0           if set, modification time is present
				// bit 1           if set, access time is present
				// bit 2           if set, creation time is present
				
				flags_ = (Flags)helperStream.ReadByte();
				if (((flags_ & Flags.ModificationTime) != 0) && (count >= 5))
				{
					int iTime = helperStream.ReadLEInt();

					modificationTime_ = (new System.DateTime(1970, 1, 1, 0, 0, 0).ToUniversalTime() +
						new TimeSpan(0, 0, 0, iTime, 0)).ToLocalTime();
				}

				if ((flags_ & Flags.AccessTime) != 0)
				{
					int iTime = helperStream.ReadLEInt();

					lastAccessTime_ = (new System.DateTime(1970, 1, 1, 0, 0, 0).ToUniversalTime() +
						new TimeSpan(0, 0, 0, iTime, 0)).ToLocalTime();
				}
				
				if ((flags_ & Flags.CreateTime) != 0)
				{
					int iTime = helperStream.ReadLEInt();

					createTime_ = (new System.DateTime(1970, 1, 1, 0, 0, 0).ToUniversalTime() +
						new TimeSpan(0, 0, 0, iTime, 0)).ToLocalTime();
				}
			}
		}