//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public SeekableRandomFile duplicate() throws java.io.IOException
public virtual SeekableRandomFile duplicate()
{
SeekableRandomFile duplicate = new SeekableRandomFile(fileName, mode);
duplicate.seek(FilePointer);
return(duplicate);
}
public override IVirtualFile ioOpen(string fileName, int flags, int mode)
{
File file = getFile(fileName);
if (file.exists() && hasFlag(flags, PSP_O_CREAT) && hasFlag(flags, PSP_O_EXCL))
{
//if (log.DebugEnabled)
{
Console.WriteLine("hleIoOpen - file already exists (PSP_O_CREAT + PSP_O_EXCL)");
}
throw new SceKernelErrorException(SceKernelErrors.ERROR_ERRNO_FILE_ALREADY_EXISTS);
}
// When PSP_O_CREAT is specified, create the parent directories
// if they do not yet exist.
if (!file.exists() && hasFlag(flags, PSP_O_CREAT))
{
string parentDir = file.Parent;
System.IO.Directory.CreateDirectory(parentDir);
}
SeekableRandomFile raf;
try
{
raf = new SeekableRandomFile(file, getMode(flags));
}
catch (FileNotFoundException)
{
return(null);
}
LocalVirtualFile localVirtualFile = new LocalVirtualFile(raf);
if (hasFlag(flags, PSP_O_WRONLY) && hasFlag(flags, PSP_O_TRUNC))
{
// When writing, PSP_O_TRUNC truncates the file at the position of the first write.
// E.g.:
// open(PSP_O_TRUNC)
// seek(0x1000)
// write() -> truncates the file at the position 0x1000 before writing
localVirtualFile.TruncateAtNextWrite = true;
}
return(localVirtualFile);
}
public virtual int sceNpDrmRenameCheck(PspString fileName)
{
CryptoEngine crypto = new CryptoEngine();
int result = 0;
if (!NpDrmKeyStatus)
{
result = SceKernelErrors.ERROR_NPDRM_NO_K_LICENSEE_SET;
}
else
{
try
{
string pcfilename = Modules.IoFileMgrForUserModule.getDeviceFilePath(fileName.String);
SeekableRandomFile file = new SeekableRandomFile(pcfilename, "r");
string[] name = pcfilename.Split("/", true);
string fName = name[name.Length - 1];
for (int i = 0; i < name.Length; i++)
{
if (name[i].ToUpper().Contains("EDAT"))
{
fName = name[i];
}
}
// The file must contain a valid PSPEDAT header.
if (file.Length() < 0x80)
{
// Test if we're using already decrypted DLC.
// Discard the error in this situatuion.
if (!DisableDLCStatus)
{
Console.WriteLine("sceNpDrmRenameCheck: invalid file size");
result = SceKernelErrors.ERROR_NPDRM_INVALID_FILE;
}
file.Dispose();
}
else
{
// Setup the buffers.
sbyte[] inBuf = new sbyte[0x80];
sbyte[] srcData = new sbyte[0x30];
sbyte[] srcHash = new sbyte[0x10];
// Read the header.
file.readFully(inBuf);
file.Dispose();
// The data seed is stored at offset 0x10 of the PSPEDAT header.
Array.Copy(inBuf, 0x10, srcData, 0, 0x30);
// The hash to compare is stored at offset 0x40 of the PSPEDAT header.
Array.Copy(inBuf, 0x40, srcHash, 0, 0x10);
// If the CryptoEngine fails to find a match, then the file has been renamed.
if (!crypto.PGDEngine.CheckEDATRenameKey(fName.GetBytes(), srcHash, srcData))
{
if (!DisableDLCStatus)
{
result = SceKernelErrors.ERROR_NPDRM_NO_FILENAME_MATCH;
Console.WriteLine("sceNpDrmRenameCheck: the file has been renamed");
}
}
}
}
catch (FileNotFoundException e)
{
result = SceKernelErrors.ERROR_NPDRM_INVALID_FILE;
//if (log.DebugEnabled)
{
Console.WriteLine(string.Format("sceNpDrmRenameCheck: file '{0}' not found: {1}", fileName.String, e.ToString()));
}
}
catch (Exception e)
{
Console.WriteLine("sceNpDrmRenameCheck", e);
}
}
return(result);
}
public LocalVirtualFile(SeekableRandomFile file) : base(file)
{
this.file = file;
}
