1 /*
2 * Copyright 2008 by the Massachusetts Institute of Technology.
3 * All Rights Reserved.
4 *
5 * Export of this software from the United States of America may
6 * require a specific license from the United States Government.
7 * It is the responsibility of any person or organization contemplating
8 * export to obtain such a license before exporting.
9 *
10 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
11 * distribute this software and its documentation for any purpose and
12 * without fee is hereby granted, provided that the above copyright
13 * notice appear in all copies and that both that copyright notice and
14 * this permission notice appear in supporting documentation, and that
15 * the name of M.I.T. not be used in advertising or publicity pertaining
16 * to distribution of the software without specific, written prior
17 * permission. Furthermore if you modify this software you must label
18 * your software as modified software and not distribute it in such a
19 * fashion that it might be confused with the original M.I.T. software.
20 * M.I.T. makes no representations about the suitability of
21 * this software for any purpose. It is provided "as is" without express
22 * or implied warranty.
23 */
24
25 /* Glue routine for gss_inquire_sec_context_by_oid */
26
27 #include "mglueP.h"
28
29 OM_uint32 KRB5_CALLCONV
gss_inquire_sec_context_by_oid(OM_uint32 * minor_status,const gss_ctx_id_t context_handle,const gss_OID desired_object,gss_buffer_set_t * data_set)30 gss_inquire_sec_context_by_oid (OM_uint32 *minor_status,
31 const gss_ctx_id_t context_handle,
32 const gss_OID desired_object,
33 gss_buffer_set_t *data_set)
34 {
35 OM_uint32 status;
36 gss_union_ctx_id_t ctx;
37 gss_mechanism mech;
38
39 if (minor_status != NULL)
40 *minor_status = 0;
41
42 if (data_set != NULL)
43 *data_set = GSS_C_NO_BUFFER_SET;
44
45 if (minor_status == NULL || data_set == NULL)
46 return GSS_S_CALL_INACCESSIBLE_WRITE;
47
48 if (context_handle == GSS_C_NO_CONTEXT)
49 return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT;
50
51 /*
52 * select the approprate underlying mechanism routine and
53 * call it.
54 */
55
56 ctx = (gss_union_ctx_id_t) context_handle;
57 mech = gssint_get_mechanism (ctx->mech_type);
58
59 if (mech != NULL) {
60 if (mech->gss_inquire_sec_context_by_oid != NULL) {
61 status = mech->gss_inquire_sec_context_by_oid(minor_status,
62 ctx->internal_ctx_id,
63 desired_object,
64 data_set);
65 if (status != GSS_S_COMPLETE)
66 map_error(minor_status, mech);
67 } else
68 status = GSS_S_UNAVAILABLE;
69
70 return status;
71 }
72
73 return GSS_S_BAD_MECH;
74 }
75