| .\" |
| .\" Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. |
| .\" Written by David Howells (dhowells@redhat.com) |
| .\" |
| .\" This program is free software; you can redistribute it and/or |
| .\" modify it under the terms of the GNU General Public License |
| .\" as published by the Free Software Foundation; either version |
| .\" 2 of the License, or (at your option) any later version. |
| .\" |
| .TH KEYCTL_REVOKE 3 "4 May 2006" Linux "Linux Key Management Calls" |
| .\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" |
| .SH NAME |
| keyctl_revoke \- revoke a key |
| .\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" |
| .SH SYNOPSIS |
| .nf |
| .B #include <keyutils.h> |
| .sp |
| .BI "long keyctl_revoke(key_serial_t " key ");" |
| .\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" |
| .SH DESCRIPTION |
| .BR keyctl_revoke () |
| marks a key as being revoked. |
| .P |
| After this operation has been performed on a key, attempts to access it will |
| meet with error |
| .BR EKEYREVOKED . |
| .P |
| The caller must have |
| .B write |
| permission on a key to be able revoke it. |
| .\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" |
| .SH RETURN VALUE |
| On success |
| .BR keyctl_revoke () |
| returns |
| .BR 0 . |
| On error, the value |
| .B -1 |
| will be returned and |
| .I errno |
| will have been set to an appropriate error. |
| .\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" |
| .SH ERRORS |
| .TP |
| .B ENOKEY |
| The specified key does not exist. |
| .TP |
| .B EKEYREVOKED |
| The key has already been revoked. |
| .TP |
| .B EACCES |
| The named key exists, but is not |
| .B writable |
| by the calling process. |
| .\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" |
| .SH LINKING |
| This is a library function that can be found in |
| .IR libkeyutils . |
| When linking, |
| .B \-lkeyutils |
| should be specified to the linker. |
| .\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" |
| .SH SEE ALSO |
| .ad l |
| .nh |
| .BR keyctl (1), |
| .BR add_key (2), |
| .BR keyctl (2), |
| .BR request_key (2), |
| .BR keyctl (3), |
| .BR keyrings (7), |
| .BR keyutils (7) |
