Line data Source code
1 : /*
2 : * Copyright (c) 2000 - 2001, 2003 Kungliga Tekniska Högskolan
3 : * (Royal Institute of Technology, Stockholm, Sweden).
4 : * All rights reserved.
5 : *
6 : * Redistribution and use in source and binary forms, with or without
7 : * modification, are permitted provided that the following conditions
8 : * are met:
9 : *
10 : * 1. Redistributions of source code must retain the above copyright
11 : * notice, this list of conditions and the following disclaimer.
12 : *
13 : * 2. Redistributions in binary form must reproduce the above copyright
14 : * notice, this list of conditions and the following disclaimer in the
15 : * documentation and/or other materials provided with the distribution.
16 : *
17 : * 3. Neither the name of the Institute nor the names of its contributors
18 : * may be used to endorse or promote products derived from this software
19 : * without specific prior written permission.
20 : *
21 : * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 : * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 : * SUCH DAMAGE.
32 : */
33 :
34 : #include "gsskrb5_locl.h"
35 :
36 : #if 0
37 : OM_uint32
38 : gss_krb5_copy_ccache(OM_uint32 *minor_status,
39 : krb5_context context,
40 : gss_cred_id_t cred,
41 : krb5_ccache out)
42 : {
43 : krb5_error_code kret;
44 :
45 : HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
46 :
47 : if (cred->ccache == NULL) {
48 : HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
49 : *minor_status = EINVAL;
50 : return GSS_S_FAILURE;
51 : }
52 :
53 : kret = krb5_cc_copy_cache(context, cred->ccache, out);
54 : HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
55 : if (kret) {
56 : *minor_status = kret;
57 : return GSS_S_FAILURE;
58 : }
59 : *minor_status = 0;
60 : return GSS_S_COMPLETE;
61 : }
62 : #endif
63 :
64 :
65 : OM_uint32
66 115204 : _gsskrb5_krb5_import_cred(OM_uint32 *minor_status,
67 : krb5_ccache id,
68 : krb5_principal keytab_principal,
69 : krb5_keytab keytab,
70 : gss_cred_id_t *cred)
71 : {
72 : krb5_context context;
73 : krb5_error_code kret;
74 : gsskrb5_cred handle;
75 : OM_uint32 ret;
76 :
77 115204 : *cred = NULL;
78 :
79 115204 : GSSAPI_KRB5_INIT (&context);
80 :
81 115204 : handle = calloc(1, sizeof(*handle));
82 115204 : if (handle == NULL) {
83 0 : _gsskrb5_clear_status ();
84 0 : *minor_status = ENOMEM;
85 0 : return (GSS_S_FAILURE);
86 : }
87 : HEIMDAL_MUTEX_init(&handle->cred_id_mutex);
88 :
89 115204 : handle->usage = 0;
90 :
91 115204 : if (id) {
92 : char *str;
93 :
94 60993 : handle->usage |= GSS_C_INITIATE;
95 :
96 60993 : kret = krb5_cc_get_principal(context, id,
97 : &handle->principal);
98 60993 : if (kret) {
99 6087 : free(handle);
100 6087 : *minor_status = kret;
101 12174 : return GSS_S_FAILURE;
102 : }
103 :
104 54906 : if (keytab_principal) {
105 : krb5_boolean match;
106 :
107 0 : match = krb5_principal_compare(context,
108 0 : handle->principal,
109 : keytab_principal);
110 0 : if (match == FALSE) {
111 0 : krb5_free_principal(context, handle->principal);
112 0 : free(handle);
113 0 : _gsskrb5_clear_status ();
114 0 : *minor_status = EINVAL;
115 0 : return GSS_S_FAILURE;
116 : }
117 : }
118 :
119 54906 : ret = __gsskrb5_ccache_lifetime(minor_status,
120 : context,
121 : id,
122 : handle->principal,
123 : &handle->lifetime);
124 54906 : if (ret != GSS_S_COMPLETE) {
125 0 : krb5_free_principal(context, handle->principal);
126 0 : free(handle);
127 0 : return ret;
128 : }
129 :
130 :
131 54906 : kret = krb5_cc_get_full_name(context, id, &str);
132 54906 : if (kret)
133 0 : goto out;
134 :
135 54906 : kret = krb5_cc_resolve(context, str, &handle->ccache);
136 54906 : free(str);
137 54906 : if (kret)
138 0 : goto out;
139 : }
140 :
141 :
142 109117 : if (keytab) {
143 : char *str;
144 :
145 54211 : handle->usage |= GSS_C_ACCEPT;
146 :
147 54211 : if (keytab_principal && handle->principal == NULL) {
148 52954 : kret = krb5_copy_principal(context,
149 : keytab_principal,
150 : &handle->principal);
151 52954 : if (kret)
152 0 : goto out;
153 : }
154 :
155 54211 : kret = krb5_kt_get_full_name(context, keytab, &str);
156 54211 : if (kret)
157 0 : goto out;
158 :
159 54211 : kret = krb5_kt_resolve(context, str, &handle->keytab);
160 54211 : free(str);
161 54211 : if (kret)
162 0 : goto out;
163 : }
164 :
165 :
166 109117 : if (id || keytab) {
167 109117 : ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms);
168 109117 : if (ret == GSS_S_COMPLETE)
169 109117 : ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM,
170 : &handle->mechanisms);
171 109117 : if (ret != GSS_S_COMPLETE) {
172 0 : kret = *minor_status;
173 0 : goto out;
174 : }
175 : }
176 :
177 109117 : *minor_status = 0;
178 109117 : *cred = (gss_cred_id_t)handle;
179 109117 : return GSS_S_COMPLETE;
180 :
181 0 : out:
182 0 : gss_release_oid_set(minor_status, &handle->mechanisms);
183 0 : if (handle->ccache)
184 0 : krb5_cc_close(context, handle->ccache);
185 0 : if (handle->keytab)
186 0 : krb5_kt_close(context, handle->keytab);
187 0 : if (handle->principal)
188 0 : krb5_free_principal(context, handle->principal);
189 : HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
190 0 : free(handle);
191 0 : *minor_status = kret;
192 0 : return GSS_S_FAILURE;
193 : }
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