protected internal static FSDataInputStream ForceSecureOpenFSDataInputStream(FilePath
file, string expectedOwner, string expectedGroup)
{
FSDataInputStream @in = rawFilesystem.Open(new Path(file.GetAbsolutePath()));
bool success = false;
try
{
NativeIO.POSIX.Stat stat = NativeIO.POSIX.GetFstat(@in.GetFileDescriptor());
CheckStat(file, stat.GetOwner(), stat.GetGroup(), expectedOwner, expectedGroup);
success = true;
return(@in);
}
finally
{
if (!success)
{
@in.Close();
}
}
}
protected internal static FileInputStream ForceSecureOpenForRead(FilePath f, string
expectedOwner, string expectedGroup)
{
FileInputStream fis = new FileInputStream(f);
bool success = false;
try
{
NativeIO.POSIX.Stat stat = NativeIO.POSIX.GetFstat(fis.GetFD());
CheckStat(f, stat.GetOwner(), stat.GetGroup(), expectedOwner, expectedGroup);
success = true;
return(fis);
}
finally
{
if (!success)
{
fis.Close();
}
}
}
protected internal static RandomAccessFile ForceSecureOpenForRandomRead(FilePath
f, string mode, string expectedOwner, string expectedGroup)
{
RandomAccessFile raf = new RandomAccessFile(f, mode);
bool success = false;
try
{
NativeIO.POSIX.Stat stat = NativeIO.POSIX.GetFstat(raf.GetFD());
CheckStat(f, stat.GetOwner(), stat.GetGroup(), expectedOwner, expectedGroup);
success = true;
return(raf);
}
finally
{
if (!success)
{
raf.Close();
}
}
}