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(minor_status,context_handle,conf_state,qop_state,iov,iov_count)62 gss_unwrap_iov (minor_status,
63 context_handle,
64 conf_state,
65 qop_state,
66 iov,
67 iov_count)
68 OM_uint32 * minor_status;
69 gss_ctx_id_t context_handle;
70 int * conf_state;
71 gss_qop_t *qop_state;
72 gss_iov_buffer_desc * iov;
73 int iov_count;
74 {
75 /* EXPORT DELETE START */
76
77 OM_uint32 status;
78 gss_union_ctx_id_t ctx;
79 gss_mechanism mech;
80
81 status = val_unwrap_iov_args(minor_status, context_handle,
82 conf_state, qop_state, iov, iov_count);
83 if (status != GSS_S_COMPLETE)
84 return (status);
85
86 /*
87 * select the approprate underlying mechanism routine and
88 * call it.
89 */
90
91 ctx = (gss_union_ctx_id_t) context_handle;
92 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
93 return (GSS_S_NO_CONTEXT);
94 mech = gssint_get_mechanism (ctx->mech_type);
95
96 if (mech) {
97 if (mech->gss_unwrap_iov) {
98 status = mech->gss_unwrap_iov(
99 minor_status,
100 ctx->internal_ctx_id,
101 conf_state,
102 qop_state,
103 iov,
104 iov_count);
105 if (status != GSS_S_COMPLETE)
106 map_error(minor_status, mech);
107 } else
108 status = GSS_S_UNAVAILABLE;
109
110 return(status);
111 }
112 /* EXPORT DELETE END */
113
114 return (GSS_S_BAD_MECH);
115 }
116
117 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)118 gss_verify_mic_iov(OM_uint32 *minor_status, gss_ctx_id_t context_handle,
119 gss_qop_t *qop_state, gss_iov_buffer_desc *iov,
120 int iov_count)
121 {
122 OM_uint32 status;
123 gss_union_ctx_id_t ctx;
124 gss_mechanism mech;
125
126 status = val_unwrap_iov_args(minor_status, context_handle, NULL,
127 qop_state, iov, iov_count);
128 if (status != GSS_S_COMPLETE)
129 return status;
130
131 /* Select the approprate underlying mechanism routine and call it. */
132 ctx = (gss_union_ctx_id_t)context_handle;
133 if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
134 return GSS_S_NO_CONTEXT;
135 mech = gssint_get_mechanism(ctx->mech_type);
136 if (mech == NULL)
137 return GSS_S_BAD_MECH;
138 if (mech->gss_verify_mic_iov == NULL)
139 return GSS_S_UNAVAILABLE;
140 status = mech->gss_verify_mic_iov(minor_status, ctx->internal_ctx_id,
141 qop_state, iov, iov_count);
142 if (status != GSS_S_COMPLETE)
143 map_error(minor_status, mech);
144 return status;
145 }
146