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: Secure SUN-OS 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 #include <sys/label.h>

30 #include <sys/audit.h>

31 #include <pwdadj.h>

32

33

34 /* Check password

35 * Accepts: login passwd struct

36 * password string

37 * argument count

38 * argument vector

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

40 */

41

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

43 {

44 struct passwd_adjunct *pa;

45 char *user = cpystr (pw->pw_name);

46 /* validate user and password */

47 struct passwd *ret =

48 ((pw->pw_passwd && pw->pw_passwd[0] && pw->pw_passwd[1] &&

49 !strcmp (pw->pw_passwd,(char *) crypt (pass,pw->pw_passwd))) ||

50 ((pa = getpwanam (pw->pw_name)) &&

51 pa->pwa_passwd && pa->pwa_passwd[0] && pa->pwa_passwd[1] &&

52 !strcmp (pa->pwa_passwd,(char *) crypt (pass,pa->pwa_passwd)))) ?

53 getpwnam (user) : NIL;

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

55 return ret;

56 }