keyctl_set_reqkey_keyring(3) - phpMan

KEYCTL_SET_REQKEY_KEYRING(3)        Linux Key Management Calls       KEYCTL_SET_REQKEY_KEYRING(3)



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)



Linux                                       4 May 2006               KEYCTL_SET_REQKEY_KEYRING(3)

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