1 /* #pragma ident "@(#)g_process_context.c 1.12 98/01/22 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 gss_process_context
27 */
28
29 #include "mglueP.h"
30
31 OM_uint32 KRB5_CALLCONV
gss_process_context_token(OM_uint32 * minor_status,gss_ctx_id_t context_handle,gss_buffer_t token_buffer)32 gss_process_context_token(OM_uint32 *minor_status, gss_ctx_id_t context_handle,
33 gss_buffer_t token_buffer)
34 {
35 OM_uint32 status;
36 gss_union_ctx_id_t ctx;
37 gss_mechanism mech;
38
39 if (minor_status == NULL)
40 return (GSS_S_CALL_INACCESSIBLE_WRITE);
41 *minor_status = 0;
42
43 if (context_handle == GSS_C_NO_CONTEXT)
44 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
45
46 if (token_buffer == GSS_C_NO_BUFFER)
47 return (GSS_S_CALL_INACCESSIBLE_READ);
48
49 if (GSS_EMPTY_BUFFER(token_buffer))
50 return (GSS_S_CALL_INACCESSIBLE_READ);
51
52 /*
53 * select the approprate underlying mechanism routine and
54 * call it.
55 */
56
57 ctx = (gss_union_ctx_id_t) context_handle;
58 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
59 return (GSS_S_NO_CONTEXT);
60 mech = gssint_get_mechanism (ctx->mech_type);
61
62 if (mech) {
63
64 if (mech->gss_process_context_token) {
65 status = mech->gss_process_context_token(
66 minor_status,
67 ctx->internal_ctx_id,
68 token_buffer);
69 if (status != GSS_S_COMPLETE)
70 map_error(minor_status, mech);
71 } else
72 status = GSS_S_UNAVAILABLE;
73
74 return(status);
75 }
76
77 return (GSS_S_BAD_MECH);
78 }
79