| /* |
| * |
| * 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 */ |