31 lines
832 B
C
31 lines
832 B
C
/*
|
|
|
|
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 */
|