1 /*	$NetBSD: ccache_name.c,v 1.1.1.1 2011/04/13 18:14:44 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 2004 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 char *last_out_name;
39 
40 OM_uint32
_gsskrb5_krb5_ccache_name(OM_uint32 * minor_status,const char * name,const char ** out_name)41 _gsskrb5_krb5_ccache_name(OM_uint32 *minor_status,
42 			  const char *name,
43 			  const char **out_name)
44 {
45     krb5_context context;
46     krb5_error_code kret;
47 
48     *minor_status = 0;
49 
50     GSSAPI_KRB5_INIT(&context);
51 
52     if (out_name) {
53 	const char *n;
54 
55 	if (last_out_name) {
56 	    free(last_out_name);
57 	    last_out_name = NULL;
58 	}
59 
60 	n = krb5_cc_default_name(context);
61 	if (n == NULL) {
62 	    *minor_status = ENOMEM;
63 	    return GSS_S_FAILURE;
64 	}
65 	last_out_name = strdup(n);
66 	if (last_out_name == NULL) {
67 	    *minor_status = ENOMEM;
68 	    return GSS_S_FAILURE;
69 	}
70 	*out_name = last_out_name;
71     }
72 
73     kret = krb5_cc_set_default_name(context, name);
74     if (kret) {
75 	*minor_status = kret;
76 	return GSS_S_FAILURE;
77     }
78     return GSS_S_COMPLETE;
79 }
80