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/* lib/gssapi/mechglue/g_set_neg_mechs.c - Glue for gss_set_neg_mechs */
/*
* Copyright (C) 2010 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#include "mglueP.h"
OM_uint32 KRB5_CALLCONV
gss_set_neg_mechs(OM_uint32 *minor_status,
gss_cred_id_t cred_handle,
const gss_OID_set mech_set)
{
gss_union_cred_t union_cred;
gss_mechanism mech;
int i, avail;
OM_uint32 status;
if (minor_status == NULL)
return GSS_S_CALL_INACCESSIBLE_WRITE;
if (cred_handle == GSS_C_NO_CREDENTIAL)
return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CRED;
*minor_status = 0;
union_cred = (gss_union_cred_t) cred_handle;
avail = 0;
status = GSS_S_COMPLETE;
for (i = 0; i < union_cred->count; i++) {
mech = gssint_get_mechanism(&union_cred->mechs_array[i]);
if (mech == NULL) {
status = GSS_S_BAD_MECH;
break;
}
if (mech->gss_set_neg_mechs == NULL)
continue;
avail = 1;
status = (mech->gss_set_neg_mechs)(minor_status,
union_cred->cred_array[i],
mech_set);
if (status != GSS_S_COMPLETE) {
map_error(minor_status, mech);
break;
}
}
if (status == GSS_S_COMPLETE && !avail)
return GSS_S_UNAVAILABLE;
return status;
}
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