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1 /*
2  * Copyright (c) 2010, 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_name(OM_uint32 *minor_status,
37                  gss_name_t input_name,
38                  int *name_is_MN,
39                  gss_OID *MN_mech,
40                  gss_buffer_set_t *attrs)
41 {
42     OM_uint32 major_status = GSS_S_UNAVAILABLE;
43     struct _gss_name *name = (struct _gss_name *) input_name;
44     struct _gss_mechanism_name *mn;
45
46     *minor_status = 0;
47     if (name_is_MN != NULL)
48         *name_is_MN = 0;
49     if (MN_mech != NULL)
50         *MN_mech = GSS_C_NO_OID;
51     if (attrs != NULL)
52         *attrs = GSS_C_NO_BUFFER_SET;
53
54     if (input_name == GSS_C_NO_NAME)
55         return GSS_S_BAD_NAME;
56
57     HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
58         gssapi_mech_interface m = mn->gmn_mech;
59
60         if (!m->gm_inquire_name)
61             continue;
62
63         major_status = m->gm_inquire_name(minor_status,
64                                           mn->gmn_name,
65                                           NULL,
66                                           MN_mech,
67                                           attrs);
68         if (major_status == GSS_S_COMPLETE) {
69             if (name_is_MN != NULL)
70                 *name_is_MN = 1;
71             if (MN_mech != NULL && *MN_mech == GSS_C_NO_OID)
72                 *MN_mech = &m->gm_mech_oid;
73             break;
74         }
75         _gss_mg_error(m, major_status, *minor_status);
76     }
77
78     return major_status;
79 }