37 lines
890 B
C
37 lines
890 B
C
/*
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*
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* uidswap.h
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*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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*
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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*
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* Created: Sat Sep 9 01:43:15 1995 ylo
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* Last modified: Sat Sep 9 02:34:04 1995 ylo
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*
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*/
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#ifndef UIDSWAP_H
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#define UIDSWAP_H
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/*
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* Temporarily changes to the given uid. If the effective user id is not
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* root, this does nothing. This call cannot be nested.
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*/
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void temporarily_use_uid(uid_t uid);
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/*
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* Restores the original effective user id after temporarily_use_uid().
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* This should only be called while temporarily_use_uid is effective.
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*/
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void restore_uid();
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/*
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* Permanently sets all uids to the given uid. This cannot be called while
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* temporarily_use_uid is effective. This must also clear any saved uids.
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*/
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void permanently_set_uid(uid_t uid);
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#endif /* UIDSWAP_H */
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