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31 lines
832 B
C
31 lines
832 B
C
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/*
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uidswap.h
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Author: Tatu Ylonen <ylo@cs.hut.fi>
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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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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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#ifndef UIDSWAP_H
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#define UIDSWAP_H
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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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void temporarily_use_uid(uid_t uid);
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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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void restore_uid();
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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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void permanently_set_uid(uid_t uid);
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#endif /* UIDSWAP_H */
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