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: Standard 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
loginpw(struct passwd * pw,int argc,char * argv[])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,pw->pw_gid) ||
41 setuid (uid));
42 fs_give ((void **) &name);
43 return ret;
44 }
45