xref: /freebsd/crypto/heimdal/lib/gssapi/mech/gss_get_mic.c (revision 63a938566d524836885917d95bd491aa4400b181)
1 /*-
2  * Copyright (c) 2005 Doug Rabson
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  *	$FreeBSD: src/lib/libgssapi/gss_get_mic.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27  */
28 
29 #include "mech_locl.h"
30 
31 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
32 gss_get_mic(OM_uint32 *minor_status,
33     const gss_ctx_id_t context_handle,
34     gss_qop_t qop_req,
35     const gss_buffer_t message_buffer,
36     gss_buffer_t message_token)
37 {
38 	struct _gss_context *ctx = (struct _gss_context *) context_handle;
39 	gssapi_mech_interface m;
40 
41 	_mg_buffer_zero(message_token);
42 	if (ctx == NULL) {
43 	    *minor_status = 0;
44 	    return GSS_S_NO_CONTEXT;
45 	}
46 
47 	m = ctx->gc_mech;
48 
49 	return (m->gm_get_mic(minor_status, ctx->gc_ctx, qop_req,
50 		    message_buffer, message_token));
51 }
52