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.Dd January 26, 2010
.Dt GSS_INQUIRE_MECHS_FOR_NAME 3 PRM
.Os
.Sh NAME
.Nm gss_inquire_mechs_for_name
.Nd List mechanisms that support the specified name-type
.\" This next command is for sections 2 and 3 only.
.\" .Sh LIBRARY
.Sh SYNOPSIS
.In "gssapi/gssapi.h"
.Ft OM_uint32
.Fo gss_inquire_mechs_for_name
.Fa "OM_uint32 *minor_status"
.Fa "const gss_name_t input_name"
.Fa "gss_OID_set *mech_types"
.Fc
.Sh DESCRIPTION
Returns the set of mechanisms supported by the GSS-API implementation
that may be able to process the specified name.
.Pp
Each mechanism returned will recognize at least one element within the
name.
It is permissible for this routine to be implemented within a
mechanism-independent GSS-API layer,
using the type information contained within the presented name,
and based on registration information provided by individual mechanism
implementations.
This means that the returned
.Fa mech_types
set may indicate that a particular mechanism will understand the name
when in fact it would refuse to accept the name as input to
.Fn gss_canonicalize_name ,
.Fn gss_init_sec_context ,
.Fn gss_acquire_cred
or
.Fn gss_add_cred
(due to some property of the specific name, as opposed to the name
type).
Thus this routine should be used only as a pre-filter for a call to a
subsequent mechanism-specific routine.
.Sh PARAMETERS
.Bl -tag
.It minor_status
Mechanism specific status code.
.It input_name
The name to which the inquiry relates.
.It mech_types
Set of mechanisms that may support the specified name.
The returned OID set must be freed by the caller after use with a call
to
.Fn gss_release_oid_set .
.El
.Sh RETURN VALUES
.Bl -tag
.It GSS_S_COMPLETE
Successful completion
.It GSS_S_BAD_NAME
The
.Fa input_name
parameter was ill-formed
.El
.Sh SEE ALSO
.Xr gss_release_oid_set 3
.Sh STANDARDS
.Bl -tag
.It RFC 2743
Generic Security Service Application Program Interface Version 2, Update 1
.It RFC 2744
Generic Security Service API Version 2 : C-bindings
.El
.Sh HISTORY
The
.Nm
function first appeared in
.Fx 7.0 .
.Sh AUTHORS
John Wray, Iris Associates
.Sh COPYRIGHT
Copyright (C) The Internet Society (2000).  All Rights Reserved.
.Pp
This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it
or assist in its implementation may be prepared, copied, published
and distributed, in whole or in part, without restriction of any
kind, provided that the above copyright notice and this paragraph are
included on all such copies and derivative works.  However, this
document itself may not be modified in any way, such as by removing
the copyright notice or references to the Internet Society or other
Internet organizations, except as needed for the purpose of
developing Internet standards in which case the procedures for
copyrights defined in the Internet Standards process must be
followed, or as required to translate it into languages other than
English.
.Pp
The limited permissions granted above are perpetual and will not be
revoked by the Internet Society or its successors or assigns.
.Pp
This document and the information contained herein is provided on an
"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.