Home | History | Annotate | Line # | Download | only in mech 
      1 /*	$NetBSD: gss_inquire_cred_by_oid.c,v 1.2 2017/01/28 21:31:46 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2004, PADL Software Pty Ltd.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  *
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  *
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * 3. Neither the name of PADL Software nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 
     35 #include "mech_locl.h"
     36 
     37 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
     38 gss_inquire_cred_by_oid (OM_uint32 *minor_status,
     39 			 gss_const_cred_id_t cred_handle,
     40 			 const gss_OID desired_object,
     41 			 gss_buffer_set_t *data_set)
     42 {
     43 	struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
     44 	OM_uint32		status = GSS_S_COMPLETE;
     45 	struct _gss_mechanism_cred *mc;
     46 	gssapi_mech_interface	m;
     47 	gss_buffer_set_t set = GSS_C_NO_BUFFER_SET;
     48 
     49 	*minor_status = 0;
     50 	*data_set = GSS_C_NO_BUFFER_SET;
     51 
     52 	if (cred == NULL)
     53 		return GSS_S_NO_CRED;
     54 
     55 	HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
     56 		gss_buffer_set_t rset = GSS_C_NO_BUFFER_SET;
     57 		size_t i;
     58 
     59 		m = mc->gmc_mech;
     60 		if (m == NULL) {
     61 	       		gss_release_buffer_set(minor_status, &set);
     62 			*minor_status = 0;
     63 			return GSS_S_BAD_MECH;
     64 		}
     65 
     66 		if (m->gm_inquire_cred_by_oid == NULL)
     67 			continue;
     68 
     69 		status = m->gm_inquire_cred_by_oid(minor_status,
     70 		    mc->gmc_cred, desired_object, &rset);
     71 		if (status != GSS_S_COMPLETE)
     72 			continue;
     73 
     74 		for (i = 0; i < rset->count; i++) {
     75 			status = gss_add_buffer_set_member(minor_status,
     76 			     &rset->elements[i], &set);
     77 			if (status != GSS_S_COMPLETE)
     78 				break;
     79 		}
     80 		gss_release_buffer_set(minor_status, &rset);
     81 	}
     82 	if (set == GSS_C_NO_BUFFER_SET)
     83 		status = GSS_S_FAILURE;
     84 	*data_set = set;
     85 	*minor_status = 0;
     86 	return status;
     87 }
     88 
     89