3cfe89af21a94e2374c792c060450f380179b833
[sfrench/samba-autobuild/.git] / source4 / heimdal / lib / gssapi / mech / gss_inquire_cred_by_oid.c
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 RCSID("$Id: gss_inquire_cred_by_oid.c,v 1.2 2006/06/28 16:20:41 lha Exp $");
35
36 OM_uint32
37 gss_inquire_cred_by_oid (OM_uint32 *minor_status,
38                          const gss_cred_id_t cred_handle,
39                          const gss_OID desired_object,
40                          gss_buffer_set_t *data_set)
41 {
42         struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
43         OM_uint32               status = GSS_S_COMPLETE;
44         struct _gss_mechanism_cred *mc;
45         gssapi_mech_interface   m;
46         gss_buffer_set_t set = GSS_C_NO_BUFFER_SET;
47
48         *minor_status = 0;
49
50         if (cred == NULL)
51                 return GSS_S_NO_CRED;
52
53         SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
54                 gss_buffer_set_t rset = GSS_C_NO_BUFFER_SET;
55                 int i;
56
57                 m = mc->gmc_mech;
58                 if (m == NULL)
59                         return GSS_S_BAD_MECH;
60
61                 if (m->gm_inquire_cred_by_oid == NULL)
62                         continue;
63
64                 status = m->gm_inquire_cred_by_oid(minor_status,
65                     mc->gmc_cred, desired_object, &rset);
66                 if (status != GSS_S_COMPLETE)
67                         continue;
68
69                 for (i = 0; i < rset->count; i++) { 
70                         status = gss_add_buffer_set_member(minor_status,
71                              &rset->elements[i], &set);
72                         if (status != GSS_S_COMPLETE)
73                                 break;
74                 }
75                 gss_release_buffer_set(minor_status, &rset);
76         }
77         if (set == GSS_C_NO_BUFFER_SET)
78                 status = GSS_S_FAILURE;
79         *data_set = set;
80         return status;
81 }
82