KEYCTL_SET_REQKEY_KEYRING
NAMESYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
LINKING
SEE ALSO
NAME
keyctl_set_reqkey_keyring − Set the implicit destination keyring
SYNOPSIS
#include <keyutils.h>
long keyctl_set_reqkey_keyring(int reqkey_defl);
DESCRIPTION
keyctl_set_reqkey_keyring() sets the default destination for implicit key requests for the current thread and returns the old setting.
After this operation has been issued, keys acquired by implicit key requests, such as might be performed by open() on an AFS or NFS filesystem, will be linked by default to the specified keyring by this function.
The valid
values of reqkey_defl are:
KEY_REQKEY_DEFL_NO_CHANGE
This makes no change to the current setting.
KEY_REQKEY_DEFL_THREAD_KEYRING
This makes the thread-specific keyring the default destination.
KEY_REQKEY_DEFL_PROCESS_KEYRING
This makes the process-specific keyring the default destination.
KEY_REQKEY_DEFL_SESSION_KEYRING
This makes the session keyring the default destination.
KEY_REQKEY_DEFL_USER_KEYRING
This makes the UID-specific keyring the default destination.
KEY_REQKEY_DEFL_USER_SESSION_KEYRING
This makes the UID-specific session keyring the default destination.
KEY_REQKEY_DEFL_DEFAULT
This selects the default behaviour which is to use the thread-specific keyring if there is one, otherwise the process-specific keyring if there is one, otherwise the session keyring if there is one, otherwise the UID-specific session keyring.
This setting is inherited across fork() and exec().
RETURN VALUE
On success keyctl_set_reqkey_keyring() returns 0. On error, the value -1 will be returned and errno will have been set to an appropriate error.
ERRORS
|
EINVAL |
The value of reqkey_defl is invalid. |
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(3),
request-key(8),
keyutils(7),
keyrings(7)
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