1 /*
2  * Copyright (c) 2004 Kungliga Tekniska H�gskolan
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 "krb5/gsskrb5_locl.h"
35 
36 RCSID("$Id: ccache_name.c 19031 2006-11-13 18:02:57Z lha $");
37 
38 char *last_out_name;
39 
40 OM_uint32
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