1 /* $NetBSD: copy_ccache.c,v 1.1.1.2 2014/04/24 12:45:29 pettai Exp $ */
2
3 /*
4 * Copyright (c) 2000 - 2001, 2003 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include "gsskrb5_locl.h"
37
38 #if 0
39 OM_uint32
40 gss_krb5_copy_ccache(OM_uint32 *minor_status,
41 krb5_context context,
42 gss_cred_id_t cred,
43 krb5_ccache out)
44 {
45 krb5_error_code kret;
46
47 HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
48
49 if (cred->ccache == NULL) {
50 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
51 *minor_status = EINVAL;
52 return GSS_S_FAILURE;
53 }
54
55 kret = krb5_cc_copy_cache(context, cred->ccache, out);
56 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
57 if (kret) {
58 *minor_status = kret;
59 return GSS_S_FAILURE;
60 }
61 *minor_status = 0;
62 return GSS_S_COMPLETE;
63 }
64 #endif
65
66
67 OM_uint32
_gsskrb5_krb5_import_cred(OM_uint32 * minor_status,krb5_ccache id,krb5_principal keytab_principal,krb5_keytab keytab,gss_cred_id_t * cred)68 _gsskrb5_krb5_import_cred(OM_uint32 *minor_status,
69 krb5_ccache id,
70 krb5_principal keytab_principal,
71 krb5_keytab keytab,
72 gss_cred_id_t *cred)
73 {
74 krb5_context context;
75 krb5_error_code kret;
76 gsskrb5_cred handle;
77 OM_uint32 ret;
78
79 *cred = NULL;
80
81 GSSAPI_KRB5_INIT (&context);
82
83 handle = calloc(1, sizeof(*handle));
84 if (handle == NULL) {
85 _gsskrb5_clear_status ();
86 *minor_status = ENOMEM;
87 return (GSS_S_FAILURE);
88 }
89 HEIMDAL_MUTEX_init(&handle->cred_id_mutex);
90
91 handle->usage = 0;
92
93 if (id) {
94 char *str;
95
96 handle->usage |= GSS_C_INITIATE;
97
98 kret = krb5_cc_get_principal(context, id,
99 &handle->principal);
100 if (kret) {
101 free(handle);
102 *minor_status = kret;
103 return GSS_S_FAILURE;
104 }
105
106 if (keytab_principal) {
107 krb5_boolean match;
108
109 match = krb5_principal_compare(context,
110 handle->principal,
111 keytab_principal);
112 if (match == FALSE) {
113 krb5_free_principal(context, handle->principal);
114 free(handle);
115 _gsskrb5_clear_status ();
116 *minor_status = EINVAL;
117 return GSS_S_FAILURE;
118 }
119 }
120
121 ret = __gsskrb5_ccache_lifetime(minor_status,
122 context,
123 id,
124 handle->principal,
125 &handle->lifetime);
126 if (ret != GSS_S_COMPLETE) {
127 krb5_free_principal(context, handle->principal);
128 free(handle);
129 return ret;
130 }
131
132
133 kret = krb5_cc_get_full_name(context, id, &str);
134 if (kret)
135 goto out;
136
137 kret = krb5_cc_resolve(context, str, &handle->ccache);
138 free(str);
139 if (kret)
140 goto out;
141 }
142
143
144 if (keytab) {
145 char *str;
146
147 handle->usage |= GSS_C_ACCEPT;
148
149 if (keytab_principal && handle->principal == NULL) {
150 kret = krb5_copy_principal(context,
151 keytab_principal,
152 &handle->principal);
153 if (kret)
154 goto out;
155 }
156
157 kret = krb5_kt_get_full_name(context, keytab, &str);
158 if (kret)
159 goto out;
160
161 kret = krb5_kt_resolve(context, str, &handle->keytab);
162 free(str);
163 if (kret)
164 goto out;
165 }
166
167
168 if (id || keytab) {
169 ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms);
170 if (ret == GSS_S_COMPLETE)
171 ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM,
172 &handle->mechanisms);
173 if (ret != GSS_S_COMPLETE) {
174 kret = *minor_status;
175 goto out;
176 }
177 }
178
179 *minor_status = 0;
180 *cred = (gss_cred_id_t)handle;
181 return GSS_S_COMPLETE;
182
183 out:
184 gss_release_oid_set(minor_status, &handle->mechanisms);
185 if (handle->ccache)
186 krb5_cc_close(context, handle->ccache);
187 if (handle->keytab)
188 krb5_kt_close(context, handle->keytab);
189 if (handle->principal)
190 krb5_free_principal(context, handle->principal);
191 HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
192 free(handle);
193 *minor_status = kret;
194 return GSS_S_FAILURE;
195 }
196