[openssh.git] / uidswap.h

/*
 * 
 * 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 */
Commit	Line	Data
8efc0c15	1	/*
5260325f	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	*/
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	*/
	22	void temporarily_use_uid(uid_t uid);
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	*/
	28	void restore_uid();
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	*/
	34	void permanently_set_uid(uid_t uid);
8efc0c15	35
5260325f	36	#endif /* UIDSWAP_H */