xref: /illumos-gate/usr/src/lib/libgss/g_verify.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 for gss_verify
27  */
28 
29 #include <mechglueP.h>
30 #include "gssapiP_generic.h"
31 
32 OM_uint32
33 gss_verify(minor_status,
34 		context_handle,
35 		message_buffer,
36 		token_buffer,
37 		qop_state)
38 
39 OM_uint32 *		minor_status;
40 gss_ctx_id_t		context_handle;
41 gss_buffer_t		message_buffer;
42 gss_buffer_t		token_buffer;
43 int *			qop_state;
44 {
45 	OM_uint32		status;
46 	gss_union_ctx_id_t	ctx;
47 	gss_mechanism		mech;
48 
49 	if (minor_status == NULL)
50 		return (GSS_S_CALL_INACCESSIBLE_WRITE);
51 	*minor_status = 0;
52 
53 	if (context_handle == GSS_C_NO_CONTEXT)
54 		return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
55 
56 	if ((message_buffer == GSS_C_NO_BUFFER) ||
57 	    GSS_EMPTY_BUFFER(token_buffer))
58 		return (GSS_S_CALL_INACCESSIBLE_READ);
59 
60 	/*
61 	 * select the approprate underlying mechanism routine and
62 	 * call it.
63 	 */
64 
65 	ctx = (gss_union_ctx_id_t) context_handle;
66 	mech = __gss_get_mechanism(ctx->mech_type);
67 
68 	if (mech) {
69 		if (mech->gss_verify) {
70 			status = mech->gss_verify(
71 						mech->context,
72 						minor_status,
73 						ctx->internal_ctx_id,
74 						message_buffer,
75 						token_buffer,
76 						qop_state);
77 			if (status != GSS_S_COMPLETE)
78 				map_error(minor_status, mech);
79 		} else
80 			status = GSS_S_UNAVAILABLE;
81 
82 		return (status);
83 	}
84 
85     return (GSS_S_BAD_MECH);
86 }
87 
88 OM_uint32
89 gss_verify_mic(minor_status,
90 		context_handle,
91 		message_buffer,
92 		token_buffer,
93 		qop_state)
94 
95 OM_uint32 *		minor_status;
96 const gss_ctx_id_t	context_handle;
97 const gss_buffer_t	message_buffer;
98 const gss_buffer_t	token_buffer;
99 gss_qop_t *		qop_state;
100 
101 {
102 	return (gss_verify(minor_status, (gss_ctx_id_t)context_handle,
103 			(gss_buffer_t)message_buffer,
104 			(gss_buffer_t)token_buffer, (int *) qop_state));
105 }
106