KEYCTL_SET_REQKEY_KEYRING(Linux Key Management CalKEYCTL_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 destina-
	      tion.

       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)