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: OSF/1 (Digital UNIX) 4 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 int i;

39 char *s;

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

41 char *host = cpystr (tcp_clienthost ());

42 uid_t uid = pw->pw_uid;

43 long ret = NIL;

44 /* tie off address */

45 if (s = strchr (host,' ')) *s = '\0';

46 if (*host == '[') { /* convert [a.b.c.d] to a.b.c.d */

47 memmove (host,host+1,i = strlen (host + 2));

48 host[i] = '\0';

49 }

50 if (sia_become_user (checkpw_collect,argc,argv,host,name,NIL,NIL,NIL,NIL,

51 SIA_BEU_REALLOGIN|SIA_BEU_OKROOTDIR) != SIASUCCESS)

52 setreuid (0,0); /* make sure have root again */

53 /* probable success, complete login */

54 else ret = (!setreuid (0,0) && !setuid (uid));

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

56 fs_give ((void **) &host);

57 return ret;

58 }