NTSTATUS object_dir_impl_t::open( object_t*& obj, open_info_t& info )
{
ULONG n = 0;
UNICODE_STRING& path = info.path;
trace("path = %pus\n", &path );
while (n < path.Length/2 && path.Buffer[n] != '\\')
n++;
if (n == 0)
return STATUS_OBJECT_NAME_INVALID;
UNICODE_STRING segment;
segment.Buffer = path.Buffer;
segment.Length = n * 2;
segment.MaximumLength = 0;
obj = lookup( segment, info.case_insensitive() );
if (n == path.Length/2)
return info.on_open( this, obj, info );
if (!obj)
return STATUS_OBJECT_PATH_NOT_FOUND;
path.Buffer += (n + 1);
path.Length -= (n + 1) * 2;
path.MaximumLength -= (n + 1) * 2;
return obj->open( obj, info );
}
NTSTATUS pipe_device_t::open( object_t *&out, open_info_t& info )
{
if (info.path.Length == 0)
return object_dir_impl_t::open( out, info );
// appears to be a flat namespace under the pipe device
dprintf("pipe = %pus\n", &info.path );
out = lookup( info.path, info.case_insensitive() );
// not the NtCreateNamedPipeFile case?
if (out && dynamic_cast<pipe_factory*>(&info) == NULL)
return out->open( out, info );
return info.on_open( this, out, info );
}
NTSTATUS open_root( object_t*& obj, open_info_t& info )
{
// look each directory in the path and make sure it exists
object_dir_t *dir = 0;
NTSTATUS r;
// parse the root directory
if (info.root)
{
// relative path
if (info.path.Buffer[0] == '\\')
return STATUS_OBJECT_PATH_SYNTAX_BAD;
r = object_from_handle( dir, info.root, DIRECTORY_QUERY );
if (r < STATUS_SUCCESS)
return r;
}
else
{
// absolute path
if (info.path.Buffer[0] != '\\')
return STATUS_OBJECT_PATH_SYNTAX_BAD;
dir = root;
info.path.Buffer++;
info.path.Length -= 2;
}
if (info.path.Length == 0)
{
obj = dir;
return info.on_open( 0, obj, info );
}
return dir->open( obj, info );
}