2 * Copyright (c) 2005 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/lib/libgssapi/gss_import_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
29 #include "mech_locl.h"
32 _gss_import_export_name(OM_uint32
*minor_status
,
33 const gss_buffer_t input_name_buffer
,
34 gss_name_t
*output_name
)
36 OM_uint32 major_status
;
37 unsigned char *p
= input_name_buffer
->value
;
38 size_t len
= input_name_buffer
->length
;
40 gss_OID_desc mech_oid
;
41 gssapi_mech_interface m
;
42 struct _gss_name
*name
;
43 gss_name_t new_canonical_name
;
50 * Make sure that TOK_ID is {4, 1}.
53 return (GSS_S_BAD_NAME
);
55 return (GSS_S_BAD_NAME
);
57 case 1: /* non-composite name */
59 case 2: /* composite name */
63 return (GSS_S_BAD_NAME
);
69 * Get the mech length and the name length and sanity
70 * check the size of of the buffer.
73 return (GSS_S_BAD_NAME
);
74 t
= (p
[0] << 8) + p
[1];
79 * Check the DER encoded OID to make sure it agrees with the
80 * length we just decoded.
82 if (p
[0] != 6) /* 6=OID */
83 return (GSS_S_BAD_NAME
);
94 mech_oid
.length
= (mech_oid
.length
<< 8) | p
[0];
100 mech_oid
.length
= p
[0];
105 if (mech_oid
.length
!= t
)
106 return (GSS_S_BAD_NAME
);
108 mech_oid
.elements
= p
;
111 return (GSS_S_BAD_NAME
);
115 t
= (p
[0] << 24) | (p
[1] << 16) | (p
[2] << 8) | p
[3];
119 if (!composite
&& len
!= t
)
120 return (GSS_S_BAD_NAME
);
122 m
= __gss_get_mechanism(&mech_oid
);
124 return (GSS_S_BAD_MECH
);
127 * Ask the mechanism to import the name.
129 major_status
= m
->gm_import_name(minor_status
,
130 input_name_buffer
, GSS_C_NT_EXPORT_NAME
, &new_canonical_name
);
131 if (major_status
!= GSS_S_COMPLETE
) {
132 _gss_mg_error(m
, major_status
, *minor_status
);
137 * Now we make a new name and mark it as an MN.
139 name
= _gss_make_name(m
, new_canonical_name
);
141 m
->gm_release_name(minor_status
, &new_canonical_name
);
142 return (GSS_S_FAILURE
);
145 *output_name
= (gss_name_t
) name
;
148 return (GSS_S_COMPLETE
);
152 * Import a name internal or mechanism name
154 * Type of name and their format:
156 * - GSS_C_NT_USER_NAME
157 * - GSS_C_NT_HOSTBASED_SERVICE
158 * - GSS_C_NT_EXPORT_NAME
159 * - GSS_C_NT_ANONYMOUS
160 * - GSS_KRB5_NT_PRINCIPAL_NAME
162 * For more information about @ref internalVSmechname.
164 * @param minor_status minor status code
165 * @param input_name_buffer import name buffer
166 * @param input_name_type type of the import name buffer
167 * @param output_name the resulting type, release with
168 * gss_release_name(), independent of input_name
170 * @returns a gss_error code, see gss_display_status() about printing
176 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
177 gss_import_name(OM_uint32
*minor_status
,
178 const gss_buffer_t input_name_buffer
,
179 const gss_OID input_name_type
,
180 gss_name_t
*output_name
)
182 struct _gss_mechanism_name
*mn
;
183 gss_OID name_type
= input_name_type
;
184 OM_uint32 major_status
, ms
;
185 struct _gss_name
*name
;
186 struct _gss_mech_switch
*m
;
189 *output_name
= GSS_C_NO_NAME
;
191 if (input_name_buffer
->length
== 0) {
193 return (GSS_S_BAD_NAME
);
199 * Use GSS_NT_USER_NAME as default name type.
201 if (name_type
== GSS_C_NO_OID
)
202 name_type
= GSS_C_NT_USER_NAME
;
205 * If this is an exported name, we need to parse it to find
206 * the mechanism and then import it as an MN. See RFC 2743
207 * section 3.2 for a description of the format.
209 if (gss_oid_equal(name_type
, GSS_C_NT_EXPORT_NAME
)) {
210 return _gss_import_export_name(minor_status
,
211 input_name_buffer
, output_name
);
216 name
= calloc(1, sizeof(struct _gss_name
));
218 *minor_status
= ENOMEM
;
219 return (GSS_S_FAILURE
);
222 HEIM_SLIST_INIT(&name
->gn_mn
);
224 major_status
= _gss_copy_oid(minor_status
,
225 name_type
, &name
->gn_type
);
228 return (GSS_S_FAILURE
);
231 major_status
= _gss_copy_buffer(minor_status
,
232 input_name_buffer
, &name
->gn_value
);
237 * Walk over the mechs and import the name into a mech name
238 * for those supported this nametype.
241 HEIM_SLIST_FOREACH(m
, &_gss_mechs
, gm_link
) {
244 major_status
= gss_test_oid_set_member(minor_status
,
245 name_type
, m
->gm_name_types
, &present
);
247 if (major_status
|| present
== 0)
250 mn
= malloc(sizeof(struct _gss_mechanism_name
));
252 *minor_status
= ENOMEM
;
253 major_status
= GSS_S_FAILURE
;
257 major_status
= (*m
->gm_mech
.gm_import_name
)(minor_status
,
259 (name
->gn_type
.elements
260 ? &name
->gn_type
: GSS_C_NO_OID
),
262 if (major_status
!= GSS_S_COMPLETE
) {
263 _gss_mg_error(&m
->gm_mech
, major_status
, *minor_status
);
268 mn
->gmn_mech
= &m
->gm_mech
;
269 mn
->gmn_mech_oid
= &m
->gm_mech_oid
;
270 HEIM_SLIST_INSERT_HEAD(&name
->gn_mn
, mn
, gmn_link
);
274 * If we can't find a mn for the name, bail out already here.
277 mn
= HEIM_SLIST_FIRST(&name
->gn_mn
);
280 major_status
= GSS_S_NAME_NOT_MN
;
284 *output_name
= (gss_name_t
) name
;
285 return (GSS_S_COMPLETE
);
288 rname
= (gss_name_t
)name
;
289 gss_release_name(&ms
, &rname
);