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keyctl_chown
Langue: en
Version: 4 May 2006 (fedora - 25/11/07)
Section: 3 (Bibliothèques de fonctions)
NAME
keyctl_chown - Change the ownership of a keySYNOPSIS
#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() returns 0 . On error, the value -1 will be returned and errno will have been set to an appropriate error.ERRORS
- ENOKEY
- The specied key does not exist.
- EKEYEXPIRED
- The specified key has expired.
- EKEYREVOKED
- The specified key has been revoked.
- EDQUOT
- Changing the UID to the one specified would run that UID out of quota.
- EACCES
- The key exists, but does not grant setattr permission to the calling process.
LINKING
This is a library function that can be found in libkeyutils. When linking, -lkeyutils should be specified to the linker.SEE ALSO
keyctl(1),add_key(2),
keyctl(2),
request_key(2),
keyctl_get_keyring_ID(3),
keyctl_join_session_keyring(3),
keyctl_update(3),
keyctl_revoke(3),
keyctl_setperm(3),
keyctl_describe(3),
keyctl_clear(3),
keyctl_link(3),
keyctl_unlink(3),
keyctl_search(3),
keyctl_read(3),
keyctl_instantiate(3),
keyctl_negate(3),
keyctl_set_reqkey_keyring(3),
keyctl_set_timeout(3),
keyctl_assume_authority(3),
keyctl_describe_alloc(3),
keyctl_read_alloc(3),
request-key(8)
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