| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1 | /* |
| Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2 | * |
| 3 | * uidswap.h |
| 4 | * |
| 5 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| 6 | * |
| 7 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 8 | * All rights reserved |
| 9 | * |
| 10 | * Created: Sat Sep 9 01:43:15 1995 ylo |
| 11 | * Last modified: Sat Sep 9 02:34:04 1995 ylo |
| 12 | * |
| 13 | */ |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 14 | |
| 15 | #ifndef UIDSWAP_H |
| 16 | #define UIDSWAP_H |
| 17 | |
| Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 18 | /* |
| 19 | * Temporarily changes to the given uid. If the effective user id is not |
| 20 | * root, this does nothing. This call cannot be nested. |
| 21 | */ |
| 22 | void temporarily_use_uid(uid_t uid); |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 23 | |
| Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 24 | /* |
| 25 | * Restores the original effective user id after temporarily_use_uid(). |
| 26 | * This should only be called while temporarily_use_uid is effective. |
| 27 | */ |
| 28 | void restore_uid(); |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 29 | |
| Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 30 | /* |
| 31 | * Permanently sets all uids to the given uid. This cannot be called while |
| 32 | * temporarily_use_uid is effective. This must also clear any saved uids. |
| 33 | */ |
| 34 | void permanently_set_uid(uid_t uid); |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 35 | |
| Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 36 | #endif /* UIDSWAP_H */ |