1 /* #pragma ident "@(#)g_seal.c 1.19 98/04/21 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_unwrap_iov
27 */
28
29 #include "mglueP.h"
30
31 static OM_uint32
val_unwrap_iov_args(OM_uint32 * minor_status,gss_ctx_id_t context_handle,int * conf_state,gss_qop_t * qop_state,gss_iov_buffer_desc * iov,int iov_count)32 val_unwrap_iov_args(
33 OM_uint32 *minor_status,
34 gss_ctx_id_t context_handle,
35 int *conf_state,
36 gss_qop_t *qop_state,
37 gss_iov_buffer_desc *iov,
38 int iov_count)
39 {
40
41 /* Initialize outputs. */
42
43 if (minor_status != NULL)
44 *minor_status = 0;
45
46 /* Validate arguments. */
47
48 if (minor_status == NULL)
49 return (GSS_S_CALL_INACCESSIBLE_WRITE);
50
51 if (context_handle == GSS_C_NO_CONTEXT)
52 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
53
54 if (iov == GSS_C_NO_IOV_BUFFER)
55 return (GSS_S_CALL_INACCESSIBLE_READ);
56
57 return (GSS_S_COMPLETE);
58 }
59
60
61 OM_uint32 KRB5_CALLCONV
gss_unwrap_iov(OM_uint32 * minor_status,gss_ctx_id_t context_handle,int * conf_state,gss_qop_t * qop_state,gss_iov_buffer_desc * iov,int iov_count)62 gss_unwrap_iov(OM_uint32 * minor_status, gss_ctx_id_t context_handle,
63 int *conf_state, gss_qop_t *qop_state,
64 gss_iov_buffer_desc *iov, int iov_count)
65 {
66 /* EXPORT DELETE START */
67
68 OM_uint32 status;
69 gss_union_ctx_id_t ctx;
70 gss_mechanism mech;
71
72 status = val_unwrap_iov_args(minor_status, context_handle,
73 conf_state, qop_state, iov, iov_count);
74 if (status != GSS_S_COMPLETE)
75 return (status);
76
77 /*
78 * select the approprate underlying mechanism routine and
79 * call it.
80 */
81
82 ctx = (gss_union_ctx_id_t) context_handle;
83 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
84 return (GSS_S_NO_CONTEXT);
85 mech = gssint_get_mechanism (ctx->mech_type);
86
87 if (mech) {
88 if (mech->gss_unwrap_iov) {
89 status = mech->gss_unwrap_iov(
90 minor_status,
91 ctx->internal_ctx_id,
92 conf_state,
93 qop_state,
94 iov,
95 iov_count);
96 if (status != GSS_S_COMPLETE)
97 map_error(minor_status, mech);
98 } else
99 status = GSS_S_UNAVAILABLE;
100
101 return(status);
102 }
103 /* EXPORT DELETE END */
104
105 return (GSS_S_BAD_MECH);
106 }
107
108 OM_uint32 KRB5_CALLCONV
gss_verify_mic_iov(OM_uint32 * minor_status,gss_ctx_id_t context_handle,gss_qop_t * qop_state,gss_iov_buffer_desc * iov,int iov_count)109 gss_verify_mic_iov(OM_uint32 *minor_status, gss_ctx_id_t context_handle,
110 gss_qop_t *qop_state, gss_iov_buffer_desc *iov,
111 int iov_count)
112 {
113 OM_uint32 status;
114 gss_union_ctx_id_t ctx;
115 gss_mechanism mech;
116
117 status = val_unwrap_iov_args(minor_status, context_handle, NULL,
118 qop_state, iov, iov_count);
119 if (status != GSS_S_COMPLETE)
120 return status;
121
122 /* Select the approprate underlying mechanism routine and call it. */
123 ctx = (gss_union_ctx_id_t)context_handle;
124 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
125 return GSS_S_NO_CONTEXT;
126 mech = gssint_get_mechanism(ctx->mech_type);
127 if (mech == NULL)
128 return GSS_S_BAD_MECH;
129 if (mech->gss_verify_mic_iov == NULL)
130 return GSS_S_UNAVAILABLE;
131 status = mech->gss_verify_mic_iov(minor_status, ctx->internal_ctx_id,
132 qop_state, iov, iov_count);
133 if (status != GSS_S_COMPLETE)
134 map_error(minor_status, mech);
135 return status;
136 }
137