1 /* #pragma ident "@(#)g_verify.c 1.13 98/04/23 SMI" */
2
3 /*
4 * Copyright 1996 by Sun Microsystems, Inc.
5 *
6 * Permission to use, copy, modify, distribute, and sell this software
7 * and its documentation for any purpose is hereby granted without fee,
8 * provided that the above copyright notice appears in all copies and
9 * that both that copyright notice and this permission notice appear in
10 * supporting documentation, and that the name of Sun Microsystems not be used
11 * in advertising or publicity pertaining to distribution of the software
12 * without specific, written prior permission. Sun Microsystems makes no
13 * representations about the suitability of this software for any
14 * purpose. It is provided "as is" without express or implied warranty.
15 *
16 * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
20 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
21 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
23 */
24
25 /*
26 * glue routine for gss_verify_mic
27 */
28
29 #include "mglueP.h"
30
31 OM_uint32 KRB5_CALLCONV
gss_verify_mic(OM_uint32 * minor_status,gss_ctx_id_t context_handle,gss_buffer_t message_buffer,gss_buffer_t token_buffer,gss_qop_t * qop_state)32 gss_verify_mic(OM_uint32 * minor_status, gss_ctx_id_t context_handle,
33 gss_buffer_t message_buffer, gss_buffer_t token_buffer,
34 gss_qop_t *qop_state)
35 {
36 OM_uint32 status;
37 gss_union_ctx_id_t ctx;
38 gss_mechanism mech;
39
40
41 if (minor_status == NULL)
42 return (GSS_S_CALL_INACCESSIBLE_WRITE);
43 *minor_status = 0;
44
45 if (context_handle == GSS_C_NO_CONTEXT)
46 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
47
48 if ((message_buffer == GSS_C_NO_BUFFER) ||
49 GSS_EMPTY_BUFFER(token_buffer))
50
51 return (GSS_S_CALL_INACCESSIBLE_READ);
52
53 /*
54 * select the approprate underlying mechanism routine and
55 * call it.
56 */
57
58 ctx = (gss_union_ctx_id_t) context_handle;
59 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
60 return (GSS_S_NO_CONTEXT);
61 mech = gssint_get_mechanism (ctx->mech_type);
62
63 if (mech) {
64 if (mech->gss_verify_mic) {
65 status = mech->gss_verify_mic(
66 minor_status,
67 ctx->internal_ctx_id,
68 message_buffer,
69 token_buffer,
70 qop_state);
71 if (status != GSS_S_COMPLETE)
72 map_error(minor_status, mech);
73 } else
74 status = GSS_S_UNAVAILABLE;
75
76 return(status);
77 }
78
79 return (GSS_S_BAD_MECH);
80 }
81
82 OM_uint32 KRB5_CALLCONV
gss_verify(OM_uint32 * minor_status,gss_ctx_id_t context_handle,gss_buffer_t message_buffer,gss_buffer_t token_buffer,int * qop_state)83 gss_verify(OM_uint32 *minor_status, gss_ctx_id_t context_handle,
84 gss_buffer_t message_buffer, gss_buffer_t token_buffer,
85 int *qop_state)
86 {
87 return (gss_verify_mic(minor_status, context_handle,
88 message_buffer, token_buffer,
89 (gss_qop_t *) qop_state));
90 }
91