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/* $OpenBSD: uidswap.h,v 1.7 2001/04/06 21:00:17 markus Exp $ */
/*
* 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(struct passwd *pw);
/*
* 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(struct passwd *pw);
#endif /* UIDSWAP_H */
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