| /* |
| |
| uidswap.h |
| |
| Author: Tatu Ylonen <ylo@cs.hut.fi> |
| |
| Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| All rights reserved |
| |
| Created: Sat Sep 9 01:43:15 1995 ylo |
| Last modified: Sat Sep 9 02:34:04 1995 ylo |
| |
| */ |
| |
| #ifndef UIDSWAP_H |
| #define UIDSWAP_H |
| |
| /* Temporarily changes to the given uid. If the effective user id is not |
| root, this does nothing. This call cannot be nested. */ |
| void temporarily_use_uid(uid_t uid); |
| |
| /* Restores the original effective user id after temporarily_use_uid(). |
| This should only be called while temporarily_use_uid is effective. */ |
| void restore_uid(); |
| |
| /* Permanently sets all uids to the given uid. This cannot be called while |
| temporarily_use_uid is effective. This must also clear any saved uids. */ |
| void permanently_set_uid(uid_t uid); |
| |
| #endif /* UIDSWAP_H */ |