diff options
Diffstat (limited to 'crypto/openssh/uidswap.h')
| -rw-r--r-- | crypto/openssh/uidswap.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/crypto/openssh/uidswap.h b/crypto/openssh/uidswap.h new file mode 100644 index 0000000..ff6fad4 --- /dev/null +++ b/crypto/openssh/uidswap.h @@ -0,0 +1,34 @@ +/* + * 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(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 */ |
