/* #pragma ident "@(#)g_inquire_names.c 1.16 04/02/23 SMI" */
/*
* Copyright 1996 by Sun Microsystems, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appears in all copies and
* that both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of Sun Microsystems not be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. Sun Microsystems makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* glue routine for gss_inquire_context
*/
#include "mglueP.h"
#define MAX_MECH_OID_PAIRS 32
/* Last argument new for V2 */
OM_uint32 KRB5_CALLCONV
gss_inquire_names_for_mech(minor_status, mechanism, name_types)
OM_uint32 * minor_status;
gss_OID mechanism;
gss_OID_set * name_types;
{
OM_uint32 status;
gss_OID selected_mech = GSS_C_NO_OID, public_mech;
gss_mechanism mech;
/* Initialize outputs. */
if (minor_status != NULL)
*minor_status = 0;
if (name_types != NULL)
*name_types = GSS_C_NO_OID_SET;
/* Validate arguments. */
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
if (name_types == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
/*
* select the approprate underlying mechanism routine and
* call it.
*/
status = gssint_select_mech_type(minor_status, mechanism,
&selected_mech);
if (status != GSS_S_COMPLETE)
return (status);
mech = gssint_get_mechanism(selected_mech);
if (mech == NULL)
return GSS_S_BAD_MECH;
else if (mech->gss_inquire_names_for_mech == NULL)
return GSS_S_UNAVAILABLE;
public_mech = gssint_get_public_oid(selected_mech);
status = mech->gss_inquire_names_for_mech(minor_status, public_mech,
name_types);
if (status != GSS_S_COMPLETE)
map_error(minor_status, mech);
return status;
}
static OM_uint32
val_inq_mechs4name_args(
OM_uint32 *minor_status,
const gss_name_t input_name,
gss_OID_set *mech_set)
{
/* Initialize outputs. */
if (minor_status != NULL)
*minor_status = 0;
if (mech_set != NULL)
*mech_set = GSS_C_NO_OID_SET;
/* Validate arguments.e
*/
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
if (input_name == GSS_C_NO_NAME)
return (GSS_S_BAD_NAME);
return (GSS_S_COMPLETE);
}
static int
mech_supports_nametype(gss_OID mech_oid, gss_OID name_type)
{
OM_uint32 status, minor;
gss_OID_set types = GSS_C_NO_OID_SET;
int present;
status = gss_inquire_names_for_mech(&minor, mech_oid, &types);
if (status != GSS_S_COMPLETE)
return (0);
status = gss_test_oid_set_member(&minor, name_type, types, &present);
(void) gss_release_oid_set(&minor, &types);
return (status == GSS_S_COMPLETE && present);
}
OM_uint32 KRB5_CALLCONV
gss_inquire_mechs_for_name(OM_uint32 *minor_status,
const gss_name_t input_name, gss_OID_set *mech_set)
{
OM_uint32 status, tmpmin;
gss_OID_set all_mechs = GSS_C_NO_OID_SET;
gss_OID_set mechs = GSS_C_NO_OID_SET;
gss_OID mech_oid, name_type;
gss_buffer_desc name_buffer = GSS_C_EMPTY_BUFFER;
size_t i;
status = val_inq_mechs4name_args(minor_status, input_name, mech_set);
if (status != GSS_S_COMPLETE)
return (status);
status = gss_display_name(minor_status, input_name, &name_buffer,
&name_type);
if (status != GSS_S_COMPLETE)
goto cleanup;
status = gss_indicate_mechs(minor_status, &all_mechs);
if (status != GSS_S_COMPLETE)
goto cleanup;
status = gss_create_empty_oid_set(minor_status, &mechs);
if (status != GSS_S_COMPLETE)
goto cleanup;
for (i = 0; i < all_mechs->count; i++) {
mech_oid = &all_mechs->elements[i];
if (mech_supports_nametype(mech_oid, name_type)) {
status = gss_add_oid_set_member(minor_status, mech_oid, &mechs);
if (status != GSS_S_COMPLETE)
goto cleanup;
}
}
*mech_set = mechs;
mechs = GSS_C_NO_OID_SET;
cleanup:
(void) gss_release_buffer(&tmpmin, &name_buffer);
(void) gss_release_oid_set(&tmpmin, &all_mechs);
(void) gss_release_oid_set(&tmpmin, &mechs);
return (status);
}