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: SVR4 login

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 /* Log in

30 * Accepts: login passwd struct

31 * argument count

32 * argument vector

33 * Returns: T if success, NIL otherwise

34 */

35

36 long loginpw (struct passwd *pw,int argc,char *argv[])

37 {

38 uid_t uid = pw->pw_uid;

39 char *name = cpystr (pw->pw_name);

40 long ret = !(setgid (pw->pw_gid) || initgroups (name) || setuid (uid));

41 fs_give ((void **) &name);

42 return ret;

43 }