blob: af4f924f0ceb50f72f4309ce9cacda5edb4a7bf4 [file] [log] [blame]
Damien Millerd4a8b7e1999-10-27 13:42:43 +10001/*
2
3uidswap.h
4
5Author: Tatu Ylonen <ylo@cs.hut.fi>
6
7Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
8 All rights reserved
9
10Created: Sat Sep 9 01:43:15 1995 ylo
11Last modified: Sat Sep 9 02:34:04 1995 ylo
12
13*/
14
15#ifndef UIDSWAP_H
16#define UIDSWAP_H
17
18/* Temporarily changes to the given uid. If the effective user id is not
19 root, this does nothing. This call cannot be nested. */
20void temporarily_use_uid(uid_t uid);
21
22/* Restores the original effective user id after temporarily_use_uid().
23 This should only be called while temporarily_use_uid is effective. */
24void restore_uid();
25
26/* Permanently sets all uids to the given uid. This cannot be called while
27 temporarily_use_uid is effective. This must also clear any saved uids. */
28void permanently_set_uid(uid_t uid);
29
30#endif /* UIDSWAP_H */