1 /* ========================================================================

2 * Copyright 1988-2006 University of Washington

3 *

4 * Licensed under the Apache License, Version 2.0 (the "License");

5 * you may not use this file except in compliance with the License.

6 * You may obtain a copy of the License at

7 *

8 * http://www.apache.org/licenses/LICENSE-2.0

9 *

10 *

11 * ========================================================================

12 */

13

14 /*

15 * Program: Cygwin check password

16 *

17 * Author: Mark Crispin

18 * Networks and Distributed Computing

19 * Computing & Communications

20 * University of Washington

21 * Administration Building, AG-44

22 * Seattle, WA 98195

23 * Internet: MRC@CAC.Washington.EDU

24 *

25 * Date: 1 August 1988

26 * Last Edited: 30 August 2006

27 */

28

29 /* This module is against my better judgement. If you want to run an imapd

30 * or ipop[23]d you should use the native NT or W2K ports intead of this

31 * Cygwin port. There is no surety that this module works right or will work

32 * right in the future.

33 */

34 

35 #undef ERROR

36 #include <windows.h>

37 #include <sys/cygwin.h>

38

39

40 /* Check password

41 * Accepts: login passwd struct

42 * password string

43 * argument count

44 * argument vector

45 * Returns: passwd struct if password validated, NIL otherwise

46 */

47

48 static char *cyg_user = NIL;

49 static HANDLE cyg_hdl = NIL;

50

51 struct passwd *checkpw (struct passwd *pw,char *pass,int argc,char *argv[])

52 {

53 /* flush last pw-checked user */

54 if (cyg_user) fs_give ((void **) &cyg_user);

55 /* forbid if UID 0 or SYSTEM uid */

56 if (!pw->pw_uid || (pw->pw_uid == SYSTEMUID) ||

57 ((cyg_hdl = cygwin_logon_user (pw,pass)) == INVALID_HANDLE_VALUE))

58 return NIL; /* bad UID or password */

59 /* remember user for this handle */

60 cyg_user = cpystr (pw->pw_name);

61 return pw;

62 }

63