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63bd8c36 | 1 | /* $OpenBSD: uidswap.h,v 1.7 2001/04/06 21:00:17 markus Exp $ */ |
23c2a7a5 | 2 | |
8efc0c15 | 3 | /* |
5260325f | 4 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
5260325f | 5 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
6 | * All rights reserved | |
6ae2364d | 7 | * |
bcbf86ec | 8 | * As far as I am concerned, the code I have written for this software |
9 | * can be used freely for any purpose. Any derived versions of this | |
10 | * software must be clearly marked as such, and if the derived work is | |
11 | * incompatible with the protocol description in the RFC file, it must be | |
12 | * called by a name other than "ssh" or "Secure Shell". | |
5260325f | 13 | */ |
8efc0c15 | 14 | |
15 | #ifndef UIDSWAP_H | |
16 | #define UIDSWAP_H | |
17 | ||
5260325f | 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 | */ | |
63bd8c36 | 22 | void temporarily_use_uid(struct passwd *pw); |
8efc0c15 | 23 | |
5260325f | 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 | */ | |
1e3b8b07 | 28 | void restore_uid(void); |
8efc0c15 | 29 | |
5260325f | 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 | */ | |
63bd8c36 | 34 | void permanently_set_uid(struct passwd *pw); |
8efc0c15 | 35 | |
5260325f | 36 | #endif /* UIDSWAP_H */ |