internal DataDirectory(PortableExecutableImage image, DataDirectories dataDirs, DataDirectoryType dirType, IMAGE_DATA_DIRECTORY dataDirectory, ulong imageBase)
{
_image = image;
_type = dirType;
_header = dataDirectory;
_imageBase = imageBase;
_sectionName = new Lazy <string>(DoGetSectionName);
_section = new Lazy <Section>(DoGetSection);
Directories = dataDirs;
}
private static void DataDirectory_Exists(string fileName, DataDirectoryType type, bool expectedValue)
{
var file = TestingUtils.GetFileFromResources(fileName);
using (var image = PortableExecutableImage.FromStream(file))
{
var value = image.NTHeaders.DataDirectories.ExistsAndNotEmpty(type);
value.Should().Be(expectedValue);
}
}
public DataDirectoryEntry this[DataDirectoryType idx]
{
get
{
return(Items[(int)idx]);
}
set
{
Items[(int)idx] = value;
}
}
/// <summary>
/// 获得目录
/// </summary>
/// <param name="type"></param>
/// <param name="appendix"></param>
/// <returns></returns>
public static string GetDirectory(DataDirectoryType type, string appendix)
{
switch (type)
{
case DataDirectoryType.Global:
return(GlobalDataDirectory + "\\" + (appendix == null ? string.Empty : appendix));
case DataDirectoryType.User:
return(UserDataDirectory + "\\" + (appendix == null ? string.Empty : appendix));
default:
throw new ArgumentException("Invalid DataDirectory Type1");
}
}
public bool ExistsAndNotEmpty(DataDirectoryType directoryType)
{
if (!_directories.ContainsKey(directoryType))
{
return(false);
}
var dataDirectory = _directories[directoryType];
if (DataDirectory.IsNullOrEmpty(dataDirectory))
{
return(false);
}
return(true);
}
public void LoadDataDirectories()
{
DataDirectories = new Dictionary <DataDirectoryType, DataDirectory>(DataDirectoryHeaders.Length);
for (int i = 0; i < DataDirectoryHeaders.Length; i++)
{
var ddh = DataDirectoryHeaders[i];
if (ddh.Size == 0)
{
continue;
}
var begin = ddh.VirtualAddress;
var end = begin + ddh.Size;
var section = SectionFromVirtualAddressRange(begin, end);
DataDirectoryType type = (DataDirectoryType)i;
DataDirectories[type] = new DataDirectory {
Type = type,
Offset = ddh.VirtualAddress - section.VirtualAddress,
Section = section,
Size = ddh.Size
};
}
}
/// <summary>
/// 获得目录
/// </summary>
/// <param name="type"></param>
/// <param name="appendix"></param>
/// <returns></returns>
public static string GetDirectory(DataDirectoryType type, string appendix)
{
switch (type)
{
case DataDirectoryType.Global:
return GlobalDataDirectory + "\\" + (appendix == null ? string.Empty : appendix);
case DataDirectoryType.User:
return UserDataDirectory + "\\" + (appendix == null ? string.Empty : appendix);
default:
throw new ArgumentException("Invalid DataDirectory Type1");
}
}
public Directory(string name, uint addr, uint size)
{
this._type = (DataDirectoryType)Enum.Parse(typeof(DataDirectoryType), name);
this.VirtualAddr = addr;
this.VirtualSize = size;
}
public Directory(DataDirectoryType type, uint addr, uint size)
{
this._type = type;
this.VirtualAddr = addr;
this.VirtualSize = size;
}
public Directory(ImageDataDirectory dir, DataDirectoryType type)
: this(type, dir.VirtualAddress, dir.Size)
{
this._directory = dir;
}
public bool Exists(DataDirectoryType directoryType)
{
return(_directories.ContainsKey(directoryType));
}
public DataDirectory this[DataDirectoryType directoryType] => (_directories.ContainsKey(directoryType) ? _directories[directoryType] : null);
internal DataDirectoryEntry(DataDirectoryType type, uint adr, uint s)
{
Type = type;
Address = adr;
Size = s;
}
int FindDataDirectoryOffset(DataDirectoryType type)
{
var rva = (uint)_dataDirectories[(int)type].RVA;
return FindRvaOffset(rva);
}
public DataDirectory DataDirectory(DataDirectoryType type) => DataDirectory((int)type);
