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/* #ident "@(#)gss_compare_name.c 1.13 95/08/02 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_compare_name
*
*/
#include "mglueP.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <string.h>
#define g_OID_equal(o1,o2) \
(((o1)->length == (o2)->length) && \
(memcmp((o1)->elements,(o2)->elements,(int) (o1)->length) == 0))
OM_uint32 KRB5_CALLCONV
gss_compare_name (minor_status,
name1,
name2,
name_equal)
OM_uint32 * minor_status;
gss_name_t name1;
gss_name_t name2;
int * name_equal;
{
OM_uint32 major_status, temp_minor;
gss_union_name_t union_name1, union_name2;
gss_mechanism mech;
gss_name_t internal_name;
gss_initialize();
if (name1 == 0 || name2 == 0) {
if (name_equal)
*name_equal = 0;
return GSS_S_BAD_NAME;
}
union_name1 = (gss_union_name_t) name1;
union_name2 = (gss_union_name_t) name2;
/*
* Try our hardest to make union_name1 be the mechanism-specific
* name. (Of course we can't if both names aren't
* mechanism-specific.)
*/
if (union_name1->mech_type == 0) {
union_name1 = (gss_union_name_t) name2;
union_name2 = (gss_union_name_t) name1;
}
/*
* If union_name1 is mechanism specific, then fetch its mechanism
* information.
*/
if (union_name1->mech_type) {
mech = __gss_get_mechanism (union_name1->mech_type);
if (!mech)
return (GSS_S_BAD_MECH);
if (!mech->gss_compare_name)
return (GSS_S_BAD_BINDINGS);
}
if (name_equal == NULL)
return GSS_S_COMPLETE;
*name_equal = 0; /* Default to *not* equal.... */
/*
* First case... both names are mechanism-specific
*/
if (union_name1->mech_type && union_name2->mech_type) {
if (!g_OID_equal(union_name1->mech_type, union_name2->mech_type))
return (GSS_S_COMPLETE);
if ((union_name1->mech_name == 0) || (union_name2->mech_name == 0))
/* should never happen */
return (GSS_S_BAD_NAME);
return (mech->gss_compare_name(mech->context, minor_status,
union_name1->mech_name,
union_name2->mech_name, name_equal));
}
/*
* Second case... both names are NOT mechanism specific.
*
* All we do here is make sure the two name_types are equal and then
* that the external_names are equal. Note the we do not take care
* of the case where two different external names map to the same
* internal name. We cannot determine this, since we as yet do not
* know what mechanism to use for calling the underlying
* gss_import_name().
*/
if (!union_name1->mech_type && !union_name2->mech_type) {
if (!g_OID_equal(union_name1->name_type, union_name2->name_type))
return (GSS_S_COMPLETE);
if ((union_name1->external_name->length !=
union_name2->external_name->length) ||
(memcmp(union_name1->external_name->value,
union_name2->external_name->value,
union_name1->external_name->length) != 0))
return (GSS_S_COMPLETE);
*name_equal = 1;
return (GSS_S_COMPLETE);
}
/*
* Final case... one name is mechanism specific, the other isn't.
*
* We attempt to convert the general name to the mechanism type of
* the mechanism-specific name, and then do the compare. If we
* can't import the general name, then we return that the name is
* _NOT_ equal.
*/
if (union_name2->mech_type) {
/* We make union_name1 the mechanism specific name. */
union_name1 = (gss_union_name_t) name2;
union_name2 = (gss_union_name_t) name1;
}
major_status = __gss_import_internal_name(minor_status,
union_name1->mech_type,
union_name2,
&internal_name);
if (major_status != GSS_S_COMPLETE)
return (GSS_S_COMPLETE);
major_status = mech->gss_compare_name(mech->context, minor_status,
union_name1->mech_name,
internal_name, name_equal);
__gss_release_internal_name(&temp_minor, union_name1->mech_type,
&internal_name);
return (major_status);
}
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