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