2 * Copyright 2008 by the Massachusetts Institute of Technology.
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.
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.
25 /* Glue routine for gss_set_sec_context_option */
34 OM_uint32 KRB5_CALLCONV
35 gss_set_sec_context_option (OM_uint32 *minor_status,
36 gss_ctx_id_t *context_handle,
37 const gss_OID desired_object,
38 const gss_buffer_t value)
40 OM_uint32 status, minor;
41 gss_union_ctx_id_t ctx;
43 gss_ctx_id_t internal_ctx = GSS_C_NO_CONTEXT;
45 if (minor_status == NULL)
46 return GSS_S_CALL_INACCESSIBLE_WRITE;
48 if (context_handle == NULL)
49 return GSS_S_CALL_INACCESSIBLE_WRITE;
54 * select the approprate underlying mechanism routine and
58 ctx = (gss_union_ctx_id_t) *context_handle;
60 mech = gssint_get_mechanism (GSS_C_NO_OID);
62 mech = gssint_get_mechanism (ctx->mech_type);
66 return GSS_S_BAD_MECH;
67 if (mech->gss_set_sec_context_option == NULL)
68 return GSS_S_UNAVAILABLE;
70 status = mech->gss_set_sec_context_option(minor_status,
71 ctx ? &ctx->internal_ctx_id :
75 if (status == GSS_S_COMPLETE) {
76 if (ctx == NULL && internal_ctx != GSS_C_NO_CONTEXT) {
77 /* Allocate a union context handle to wrap new context */
78 ctx = (gss_union_ctx_id_t)malloc(sizeof(*ctx));
80 *minor_status = ENOMEM;
81 gssint_delete_internal_sec_context(&minor,
88 status = generic_gss_copy_oid(minor_status,
91 if (status != GSS_S_COMPLETE) {
92 gssint_delete_internal_sec_context(&minor,
100 ctx->internal_ctx_id = internal_ctx;
101 *context_handle = (gss_ctx_id_t)ctx;
104 map_error(minor_status, mech);