1 /* $NetBSD: cred_stubs.c,v 1.1.1.2 2014/04/24 12:45:29 pettai Exp $ */
2
3 /*
4 * Copyright (c) 2004, PADL Software Pty Ltd.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * 3. Neither the name of PADL Software nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #include "spnego_locl.h"
36
37 OM_uint32 GSSAPI_CALLCONV
_gss_spnego_release_cred(OM_uint32 * minor_status,gss_cred_id_t * cred_handle)38 _gss_spnego_release_cred(OM_uint32 *minor_status, gss_cred_id_t *cred_handle)
39 {
40 OM_uint32 ret;
41
42 *minor_status = 0;
43
44 if (cred_handle == NULL || *cred_handle == GSS_C_NO_CREDENTIAL)
45 return GSS_S_COMPLETE;
46
47 ret = gss_release_cred(minor_status, cred_handle);
48
49 *cred_handle = GSS_C_NO_CREDENTIAL;
50
51 return ret;
52 }
53
54 /*
55 * For now, just a simple wrapper that avoids recursion. When
56 * we support gss_{get,set}_neg_mechs() we will need to expose
57 * more functionality.
58 */
_gss_spnego_acquire_cred(OM_uint32 * minor_status,const gss_name_t desired_name,OM_uint32 time_req,const gss_OID_set desired_mechs,gss_cred_usage_t cred_usage,gss_cred_id_t * output_cred_handle,gss_OID_set * actual_mechs,OM_uint32 * time_rec)59 OM_uint32 GSSAPI_CALLCONV _gss_spnego_acquire_cred
60 (OM_uint32 *minor_status,
61 const gss_name_t desired_name,
62 OM_uint32 time_req,
63 const gss_OID_set desired_mechs,
64 gss_cred_usage_t cred_usage,
65 gss_cred_id_t * output_cred_handle,
66 gss_OID_set * actual_mechs,
67 OM_uint32 * time_rec
68 )
69 {
70 const spnego_name dname = (const spnego_name)desired_name;
71 gss_name_t name = GSS_C_NO_NAME;
72 OM_uint32 ret, tmp;
73 gss_OID_set_desc actual_desired_mechs;
74 gss_OID_set mechs;
75 size_t i, j;
76
77 *output_cred_handle = GSS_C_NO_CREDENTIAL;
78
79 if (dname) {
80 ret = gss_import_name(minor_status, &dname->value, &dname->type, &name);
81 if (ret) {
82 return ret;
83 }
84 }
85
86 ret = gss_indicate_mechs(minor_status, &mechs);
87 if (ret != GSS_S_COMPLETE) {
88 gss_release_name(minor_status, &name);
89 return ret;
90 }
91
92 /* Remove ourselves from this list */
93 actual_desired_mechs.count = mechs->count;
94 actual_desired_mechs.elements = malloc(actual_desired_mechs.count *
95 sizeof(gss_OID_desc));
96 if (actual_desired_mechs.elements == NULL) {
97 *minor_status = ENOMEM;
98 ret = GSS_S_FAILURE;
99 goto out;
100 }
101
102 for (i = 0, j = 0; i < mechs->count; i++) {
103 if (gss_oid_equal(&mechs->elements[i], GSS_SPNEGO_MECHANISM))
104 continue;
105
106 actual_desired_mechs.elements[j] = mechs->elements[i];
107 j++;
108 }
109 actual_desired_mechs.count = j;
110
111 ret = gss_acquire_cred(minor_status, name,
112 time_req, &actual_desired_mechs,
113 cred_usage,
114 output_cred_handle,
115 actual_mechs, time_rec);
116 if (ret != GSS_S_COMPLETE)
117 goto out;
118
119 out:
120 gss_release_name(minor_status, &name);
121 gss_release_oid_set(&tmp, &mechs);
122 if (actual_desired_mechs.elements != NULL) {
123 free(actual_desired_mechs.elements);
124 }
125 if (ret != GSS_S_COMPLETE) {
126 _gss_spnego_release_cred(&tmp, output_cred_handle);
127 }
128
129 return ret;
130 }
131
_gss_spnego_inquire_cred(OM_uint32 * minor_status,const gss_cred_id_t cred_handle,gss_name_t * name,OM_uint32 * lifetime,gss_cred_usage_t * cred_usage,gss_OID_set * mechanisms)132 OM_uint32 GSSAPI_CALLCONV _gss_spnego_inquire_cred
133 (OM_uint32 * minor_status,
134 const gss_cred_id_t cred_handle,
135 gss_name_t * name,
136 OM_uint32 * lifetime,
137 gss_cred_usage_t * cred_usage,
138 gss_OID_set * mechanisms
139 )
140 {
141 spnego_name sname = NULL;
142 OM_uint32 ret;
143
144 if (cred_handle == GSS_C_NO_CREDENTIAL) {
145 *minor_status = 0;
146 return GSS_S_NO_CRED;
147 }
148
149 if (name) {
150 sname = calloc(1, sizeof(*sname));
151 if (sname == NULL) {
152 *minor_status = ENOMEM;
153 return GSS_S_FAILURE;
154 }
155 }
156
157 ret = gss_inquire_cred(minor_status,
158 cred_handle,
159 sname ? &sname->mech : NULL,
160 lifetime,
161 cred_usage,
162 mechanisms);
163 if (ret) {
164 if (sname)
165 free(sname);
166 return ret;
167 }
168 if (name)
169 *name = (gss_name_t)sname;
170
171 return ret;
172 }
173
_gss_spnego_inquire_cred_by_mech(OM_uint32 * minor_status,const gss_cred_id_t cred_handle,const gss_OID mech_type,gss_name_t * name,OM_uint32 * initiator_lifetime,OM_uint32 * acceptor_lifetime,gss_cred_usage_t * cred_usage)174 OM_uint32 GSSAPI_CALLCONV _gss_spnego_inquire_cred_by_mech (
175 OM_uint32 * minor_status,
176 const gss_cred_id_t cred_handle,
177 const gss_OID mech_type,
178 gss_name_t * name,
179 OM_uint32 * initiator_lifetime,
180 OM_uint32 * acceptor_lifetime,
181 gss_cred_usage_t * cred_usage
182 )
183 {
184 spnego_name sname = NULL;
185 OM_uint32 ret;
186
187 if (cred_handle == GSS_C_NO_CREDENTIAL) {
188 *minor_status = 0;
189 return GSS_S_NO_CRED;
190 }
191
192 if (name) {
193 sname = calloc(1, sizeof(*sname));
194 if (sname == NULL) {
195 *minor_status = ENOMEM;
196 return GSS_S_FAILURE;
197 }
198 }
199
200 ret = gss_inquire_cred_by_mech(minor_status,
201 cred_handle,
202 mech_type,
203 sname ? &sname->mech : NULL,
204 initiator_lifetime,
205 acceptor_lifetime,
206 cred_usage);
207
208 if (ret) {
209 if (sname)
210 free(sname);
211 return ret;
212 }
213 if (name)
214 *name = (gss_name_t)sname;
215
216 return GSS_S_COMPLETE;
217 }
218
_gss_spnego_inquire_cred_by_oid(OM_uint32 * minor_status,const gss_cred_id_t cred_handle,const gss_OID desired_object,gss_buffer_set_t * data_set)219 OM_uint32 GSSAPI_CALLCONV _gss_spnego_inquire_cred_by_oid
220 (OM_uint32 * minor_status,
221 const gss_cred_id_t cred_handle,
222 const gss_OID desired_object,
223 gss_buffer_set_t *data_set)
224 {
225 OM_uint32 ret;
226
227 if (cred_handle == GSS_C_NO_CREDENTIAL) {
228 *minor_status = 0;
229 return GSS_S_NO_CRED;
230 }
231
232 ret = gss_inquire_cred_by_oid(minor_status,
233 cred_handle,
234 desired_object,
235 data_set);
236
237 return ret;
238 }
239
240 OM_uint32 GSSAPI_CALLCONV
_gss_spnego_set_cred_option(OM_uint32 * minor_status,gss_cred_id_t * cred_handle,const gss_OID object,const gss_buffer_t value)241 _gss_spnego_set_cred_option (OM_uint32 *minor_status,
242 gss_cred_id_t *cred_handle,
243 const gss_OID object,
244 const gss_buffer_t value)
245 {
246 if (cred_handle == NULL || *cred_handle == GSS_C_NO_CREDENTIAL) {
247 *minor_status = 0;
248 return GSS_S_NO_CRED;
249 }
250
251 return gss_set_cred_option(minor_status,
252 cred_handle,
253 object,
254 value);
255 }
256
257
258 OM_uint32 GSSAPI_CALLCONV
_gss_spnego_export_cred(OM_uint32 * minor_status,gss_cred_id_t cred_handle,gss_buffer_t value)259 _gss_spnego_export_cred (OM_uint32 *minor_status,
260 gss_cred_id_t cred_handle,
261 gss_buffer_t value)
262 {
263 return gss_export_cred(minor_status, cred_handle, value);
264 }
265
266 OM_uint32 GSSAPI_CALLCONV
_gss_spnego_import_cred(OM_uint32 * minor_status,gss_buffer_t value,gss_cred_id_t * cred_handle)267 _gss_spnego_import_cred (OM_uint32 *minor_status,
268 gss_buffer_t value,
269 gss_cred_id_t *cred_handle)
270 {
271 return gss_import_cred(minor_status, value, cred_handle);
272 }
273
274