1/*	$NetBSD: copy_ccache.c,v 1.2 2017/01/28 21:31:46 christos Exp $	*/
2
3/*
4 * Copyright (c) 2000 - 2001, 2003 Kungliga Tekniska H��gskolan
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
39OM_uint32
40gss_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
67OM_uint32
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	time_t now;
95	OM_uint32 left;
96	char *str;
97
98	handle->usage |= GSS_C_INITIATE;
99
100	kret = krb5_cc_get_principal(context, id,
101				     &handle->principal);
102	if (kret) {
103	    free(handle);
104	    *minor_status = kret;
105	    return GSS_S_FAILURE;
106	}
107
108	if (keytab_principal) {
109	    krb5_boolean match;
110
111	    match = krb5_principal_compare(context,
112					   handle->principal,
113					   keytab_principal);
114	    if (match == FALSE) {
115		krb5_free_principal(context, handle->principal);
116		free(handle);
117		_gsskrb5_clear_status ();
118		*minor_status = EINVAL;
119		return GSS_S_FAILURE;
120	    }
121	}
122
123	krb5_timeofday(context, &now);
124	ret = __gsskrb5_ccache_lifetime(minor_status,
125					context,
126					id,
127					handle->principal,
128					&left);
129	if (ret != GSS_S_COMPLETE) {
130	    krb5_free_principal(context, handle->principal);
131	    free(handle);
132	    return ret;
133	}
134	handle->endtime = now + left;
135
136	kret = krb5_cc_get_full_name(context, id, &str);
137	if (kret)
138	    goto out;
139
140	kret = krb5_cc_resolve(context, str, &handle->ccache);
141	free(str);
142	if (kret)
143	    goto out;
144    }
145
146
147    if (keytab) {
148	char *str;
149
150	handle->usage |= GSS_C_ACCEPT;
151
152	if (keytab_principal && handle->principal == NULL) {
153	    kret = krb5_copy_principal(context,
154				       keytab_principal,
155				       &handle->principal);
156	    if (kret)
157		goto out;
158	}
159
160	kret = krb5_kt_get_full_name(context, keytab, &str);
161	if (kret)
162	    goto out;
163
164	kret = krb5_kt_resolve(context, str, &handle->keytab);
165	free(str);
166	if (kret)
167	    goto out;
168    }
169
170
171    if (id || keytab) {
172	ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms);
173	if (ret == GSS_S_COMPLETE)
174	    ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM,
175					 &handle->mechanisms);
176	if (ret != GSS_S_COMPLETE) {
177	    kret = *minor_status;
178	    goto out;
179	}
180    }
181
182    *minor_status = 0;
183    *cred = (gss_cred_id_t)handle;
184    return GSS_S_COMPLETE;
185
186out:
187    gss_release_oid_set(minor_status, &handle->mechanisms);
188    if (handle->ccache)
189	krb5_cc_close(context, handle->ccache);
190    if (handle->keytab)
191	krb5_kt_close(context, handle->keytab);
192    if (handle->principal)
193	krb5_free_principal(context, handle->principal);
194    HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
195    free(handle);
196    *minor_status = kret;
197    return GSS_S_FAILURE;
198}
199