1 /* -*- mode: c; indent-tabs-mode: nil -*- */
2 /*
3 * Copyright 2009 by the Massachusetts Institute of Technology.
4 * All Rights Reserved.
5 *
6 * Export of this software from the United States of America may
7 * require a specific license from the United States Government.
8 * It is the responsibility of any person or organization contemplating
9 * export to obtain such a license before exporting.
10 *
11 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
12 * distribute this software and its documentation for any purpose and
13 * without fee is hereby granted, provided that the above copyright
14 * notice appear in all copies and that both that copyright notice and
15 * this permission notice appear in supporting documentation, and that
16 * the name of M.I.T. not be used in advertising or publicity pertaining
17 * to distribution of the software without specific, written prior
18 * permission. Furthermore if you modify this software you must label
19 * your software as modified software and not distribute it in such a
20 * fashion that it might be confused with the original M.I.T. software.
21 * M.I.T. makes no representations about the suitability of
22 * this software for any purpose. It is provided "as is" without express
23 * or implied warranty.
24 */
25
26 /* Glue routine for gss_inquire_name */
27
28 #include "mglueP.h"
29
30 OM_uint32 KRB5_CALLCONV
gss_inquire_name(OM_uint32 * minor_status,gss_name_t name,int * name_is_MN,gss_OID * MN_mech,gss_buffer_set_t * attrs)31 gss_inquire_name(OM_uint32 *minor_status,
32 gss_name_t name,
33 int *name_is_MN,
34 gss_OID *MN_mech,
35 gss_buffer_set_t *attrs)
36 {
37 OM_uint32 status, tmp;
38 gss_union_name_t union_name;
39 gss_mechanism mech;
40
41 if (minor_status != NULL)
42 *minor_status = 0;
43
44 if (MN_mech != NULL)
45 *MN_mech = GSS_C_NO_OID;
46
47 if (attrs != NULL)
48 *attrs = GSS_C_NO_BUFFER_SET;
49
50 if (minor_status == NULL)
51 return GSS_S_CALL_INACCESSIBLE_WRITE;
52
53 if (name == GSS_C_NO_NAME)
54 return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME;
55
56 union_name = (gss_union_name_t)name;
57
58 if (union_name->mech_type == GSS_C_NO_OID) {
59 /* We don't yet support non-mechanism attributes */
60 if (name_is_MN != NULL)
61 *name_is_MN = 0;
62 *minor_status = 0;
63 return GSS_S_COMPLETE;
64 }
65
66 if (name_is_MN != NULL)
67 *name_is_MN = 1;
68
69 if (MN_mech != NULL) {
70 status = generic_gss_copy_oid(minor_status,
71 union_name->mech_type,
72 MN_mech);
73 if (GSS_ERROR(status))
74 return status;
75 }
76
77 mech = gssint_get_mechanism(name->mech_type);
78 if (mech == NULL) {
79 gss_release_oid(&tmp, MN_mech);
80 return GSS_S_BAD_NAME;
81 }
82
83 if (mech->gss_inquire_name == NULL) {
84 gss_release_oid(&tmp, MN_mech);
85 return GSS_S_UNAVAILABLE;
86 }
87
88 status = (*mech->gss_inquire_name)(minor_status,
89 union_name->mech_name,
90 NULL,
91 NULL,
92 attrs);
93 if (status != GSS_S_COMPLETE) {
94 generic_gss_release_oid(&tmp, MN_mech);
95 map_error(minor_status, mech);
96 }
97
98 return status;
99 }
100