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Viewing changes to source4/heimdal/lib/gssapi/mech/gss_set_cred_option.c

  • Committer: Chuck Short
  • Date: 2010-09-28 20:38:39 UTC
  • Revision ID: zulcss@ubuntu.com-20100928203839-pgjulytsi9ue63x1
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source4/heimdal/lib/gssapi/mech/gss_set_cred_option.c
 
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/*
 
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 * Copyright (c) 2004, PADL Software Pty Ltd.
 
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 * All rights reserved.
 
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 *
 
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 * Redistribution and use in source and binary forms, with or without
 
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 * modification, are permitted provided that the following conditions
 
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 * are met:
 
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 *
 
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 * 1. Redistributions of source code must retain the above copyright
 
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 *    notice, this list of conditions and the following disclaimer.
 
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 *
 
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 * 2. Redistributions in binary form must reproduce the above copyright
 
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 *    notice, this list of conditions and the following disclaimer in the
 
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 *    documentation and/or other materials provided with the distribution.
 
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 *
 
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 * 3. Neither the name of PADL Software nor the names of its contributors
 
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 *    may be used to endorse or promote products derived from this software
 
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 *    without specific prior written permission.
 
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 *
 
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 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
 
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 
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 * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
 
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 
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 * SUCH DAMAGE.
 
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 */
 
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#include "mech_locl.h"
 
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RCSID("$Id$");
 
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OM_uint32 GSSAPI_LIB_FUNCTION
 
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gss_set_cred_option (OM_uint32 *minor_status,
 
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                     gss_cred_id_t *cred_handle,
 
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                     const gss_OID object,
 
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                     const gss_buffer_t value)
 
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{
 
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        struct _gss_cred *cred = (struct _gss_cred *) *cred_handle;
 
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        OM_uint32       major_status = GSS_S_COMPLETE;
 
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        struct _gss_mechanism_cred *mc;
 
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        int one_ok = 0;
 
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        *minor_status = 0;
 
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        _gss_load_mech();
 
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        if (cred == NULL) {
 
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                struct _gss_mech_switch *m;
 
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                cred = malloc(sizeof(*cred));
 
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                if (cred == NULL)
 
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                    return GSS_S_FAILURE;
 
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                SLIST_INIT(&cred->gc_mc);
 
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                SLIST_FOREACH(m, &_gss_mechs, gm_link) {
 
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                        if (m->gm_mech.gm_set_cred_option == NULL)
 
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                                continue;
 
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                        mc = malloc(sizeof(*mc));
 
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                        if (mc == NULL) {
 
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                            *cred_handle = (gss_cred_id_t)cred;
 
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                            gss_release_cred(minor_status, cred_handle);
 
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                            *minor_status = ENOMEM;
 
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                            return GSS_S_FAILURE;
 
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                        }
 
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                        mc->gmc_mech = &m->gm_mech;
 
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                        mc->gmc_mech_oid = &m->gm_mech_oid;
 
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                        mc->gmc_cred = GSS_C_NO_CREDENTIAL;
 
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                        major_status = m->gm_mech.gm_set_cred_option(
 
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                            minor_status, &mc->gmc_cred, object, value);
 
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                        if (major_status) {
 
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                                free(mc);
 
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                                continue;
 
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                        }
 
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                        one_ok = 1;
 
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                        SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
 
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                }
 
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                *cred_handle = (gss_cred_id_t)cred;
 
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                if (!one_ok) {
 
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                        OM_uint32 junk;
 
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                        gss_release_cred(&junk, cred_handle);
 
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                }
 
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        } else {
 
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                gssapi_mech_interface   m;
 
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                SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
 
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                        m = mc->gmc_mech;
 
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                        if (m == NULL)
 
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                                return GSS_S_BAD_MECH;
 
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                        if (m->gm_set_cred_option == NULL)
 
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                                continue;
 
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                        major_status = m->gm_set_cred_option(minor_status,
 
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                            &mc->gmc_cred, object, value);
 
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                        if (major_status == GSS_S_COMPLETE)
 
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                                one_ok = 1;
 
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                        else
 
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                                _gss_mg_error(m, major_status, *minor_status);
 
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                }
 
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        }
 
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        if (one_ok) {
 
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                *minor_status = 0;
 
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                return GSS_S_COMPLETE;
 
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        }
 
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        return major_status;
 
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}
 
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