keyctl_chown — change the ownership of a key
Synopsis
#include <keyutils.h> long keyctl_chown(key_serial_t key, uid_t uid, gid_t gid);
Description
keyctl_chown() changes the user and group ownership details of a key.
A setting of -1 on either uid or gid will cause that setting to be ignored.
A process that does not have the SysAdmin capability may not change a key's UID or set the key's GID to a value that does not match the process's GID or one of its group list.
The caller must have setattr permission on a key to be able change its ownership.
Return Value
On success keyctl_chown().
- EDQUOT
Changing the UID to the one specified would run that UID out of quota.
- EACCES
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