xref: /illumos-gate/usr/src/lib/libgss/g_process_context.c (revision 1a2d662a91cee3bf82f41cd47c7ae6f3825d9db2)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 /*
26  *  glue routine gss_process_context
27  */
28 
29 #include <mechglueP.h>
30 #include "gssapiP_generic.h"
31 
32 OM_uint32
33 gss_process_context_token(minor_status,
34 				context_handle,
35 				token_buffer)
36 
37 OM_uint32 *			minor_status;
38 const gss_ctx_id_t		context_handle;
39 gss_buffer_t			token_buffer;
40 
41 {
42 	OM_uint32		status;
43 	gss_union_ctx_id_t	ctx;
44 	gss_mechanism		mech;
45 
46 	if (minor_status == NULL)
47 		return (GSS_S_CALL_INACCESSIBLE_WRITE);
48 	*minor_status = 0;
49 
50 	if (context_handle == GSS_C_NO_CONTEXT)
51 		return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
52 
53 	if (token_buffer == GSS_C_NO_BUFFER)
54 		return (GSS_S_CALL_INACCESSIBLE_READ);
55 
56 	if (GSS_EMPTY_BUFFER(token_buffer))
57 		return (GSS_S_CALL_INACCESSIBLE_READ);
58 
59 	/*
60 	 * select the approprate underlying mechanism routine and
61 	 * call it.
62 	 */
63 
64 	ctx = (gss_union_ctx_id_t) context_handle;
65 	mech = __gss_get_mechanism(ctx->mech_type);
66 
67 	if (mech) {
68 
69 		if (mech->gss_process_context_token) {
70 			status = mech->gss_process_context_token(
71 							mech->context,
72 							minor_status,
73 							ctx->internal_ctx_id,
74 							token_buffer);
75 			if (status != GSS_S_COMPLETE)
76 				map_error(minor_status, mech);
77 		} else
78 			status = GSS_S_UNAVAILABLE;
79 
80 		return (status);
81 	}
82 
83 	return (GSS_S_BAD_MECH);
84 }
85