1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* glue routine gss_export_sec_context
*/
#include <mechglueP.h>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
OM_uint32
gss_import_sec_context(minor_status,
interprocess_token,
context_handle)
OM_uint32 * minor_status;
const gss_buffer_t interprocess_token;
gss_ctx_id_t *context_handle;
{
OM_uint32 length = 0;
OM_uint32 status;
char *p;
gss_union_ctx_id_t ctx;
gss_buffer_desc token;
gss_mechanism mech;
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
*minor_status = 0;
if (context_handle == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE | GSS_S_NO_CONTEXT);
*context_handle = GSS_C_NO_CONTEXT;
if (GSS_EMPTY_BUFFER(interprocess_token))
return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_DEFECTIVE_TOKEN);
status = GSS_S_FAILURE;
ctx = (gss_union_ctx_id_t)malloc(sizeof (gss_union_ctx_id_desc));
if (!ctx)
return (GSS_S_FAILURE);
ctx->mech_type = (gss_OID) malloc(sizeof (gss_OID_desc));
if (!ctx->mech_type) {
free(ctx);
return (GSS_S_FAILURE);
}
if (interprocess_token->length >= sizeof (OM_uint32)) {
p = interprocess_token->value;
length = (OM_uint32)*p++;
length = (OM_uint32)(length << 8) + *p++;
length = (OM_uint32)(length << 8) + *p++;
length = (OM_uint32)(length << 8) + *p++;
}
if (length == 0 ||
length > (interprocess_token->length - sizeof (OM_uint32))) {
free(ctx);
return (GSS_S_CALL_BAD_STRUCTURE | GSS_S_DEFECTIVE_TOKEN);
}
ctx->mech_type->length = length;
ctx->mech_type->elements = malloc(length);
if (!ctx->mech_type->elements) {
goto error_out;
}
(void) memcpy(ctx->mech_type->elements, p, length);
p += length;
token.length = interprocess_token->length - sizeof (OM_uint32) - length;
token.value = p;
/*
* select the approprate underlying mechanism routine and
* call it.
*/
mech = __gss_get_mechanism(ctx->mech_type);
if (!mech) {
status = GSS_S_BAD_MECH;
goto error_out;
}
if (!mech->gss_import_sec_context) {
status = GSS_S_UNAVAILABLE;
goto error_out;
}
status = mech->gss_import_sec_context(mech->context, minor_status,
&token, &ctx->internal_ctx_id);
if (status == GSS_S_COMPLETE) {
*context_handle = (gss_ctx_id_t)ctx;
return (GSS_S_COMPLETE);
}
error_out:
if (ctx) {
if (ctx->mech_type) {
if (ctx->mech_type->elements)
free(ctx->mech_type->elements);
free(ctx->mech_type);
}
free(ctx);
}
return (status);
}
|
