GetSourcePaths

NTSTATUS GetSourcePaths	(	PUNICODE_STRING	SourcePath,
		PUNICODE_STRING	SourceRootPath,
		PUNICODE_STRING	SourceRootDir
	)

Definition at line 37 of file drivesup.c.

Referenced by SetupStartPage().

{
  OBJECT_ATTRIBUTES ObjectAttributes;
  UNICODE_STRING LinkName;
  UNICODE_STRING SourceName;
  WCHAR SourceBuffer[MAX_PATH] = {L'\0'};
  HANDLE Handle;
  NTSTATUS Status;
  ULONG Length;
  PWCHAR Ptr;

  RtlInitUnicodeString(&LinkName,
               L"\\SystemRoot");

  InitializeObjectAttributes(&ObjectAttributes,
                 &LinkName,
                 OBJ_CASE_INSENSITIVE,
                 NULL,
                 NULL);

  Status = NtOpenSymbolicLinkObject(&Handle,
                    SYMBOLIC_LINK_ALL_ACCESS,
                    &ObjectAttributes);
  if (!NT_SUCCESS(Status))
    return(Status);

  SourceName.Length = 0;
  SourceName.MaximumLength = MAX_PATH * sizeof(WCHAR);
  SourceName.Buffer = SourceBuffer;

  Status = NtQuerySymbolicLinkObject(Handle,
                     &SourceName,
                     &Length);
  NtClose(Handle);

  if (NT_SUCCESS(Status))
    {
      RtlCreateUnicodeString(SourcePath,
                             SourceName.Buffer);

      /* strip trailing directory */
      Ptr = wcsrchr(SourceName.Buffer, L'\\');
      if (Ptr)
      {
          RtlCreateUnicodeString(SourceRootDir, Ptr);
          *Ptr = 0;
      }
      else
          RtlCreateUnicodeString(SourceRootDir, L"");

      RtlCreateUnicodeString(SourceRootPath,
                             SourceName.Buffer);
    }

  NtClose(Handle);

  return(STATUS_SUCCESS);
}

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