| /* |
| * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| * All rights reserved |
| * |
| * As far as I am concerned, the code I have written for this software |
| * can be used freely for any purpose. Any derived versions of this |
| * software must be clearly marked as such, and if the derived work is |
| * incompatible with the protocol description in the RFC file, it must be |
| * called by a name other than "ssh" or "Secure Shell". |
| */ |
| |
| #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(void); |
| |
| /* |
| * 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 */ |