xref: /freebsd/crypto/heimdal/lib/gssapi/krb5/display_name.c (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /*
2  * Copyright (c) 1997 - 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 OM_uint32 GSSAPI_CALLCONV _gsskrb5_display_name
37            (OM_uint32 * minor_status,
38             const gss_name_t input_name,
39             gss_buffer_t output_name_buffer,
40             gss_OID * output_name_type
41            )
42 {
43     krb5_context context;
44     krb5_const_principal name = (krb5_const_principal)input_name;
45     krb5_error_code kret;
46     char *buf;
47     size_t len;
48 
49     GSSAPI_KRB5_INIT (&context);
50 
51     kret = krb5_unparse_name_flags (context, name,
52 				    KRB5_PRINCIPAL_UNPARSE_DISPLAY, &buf);
53     if (kret) {
54 	*minor_status = kret;
55 	return GSS_S_FAILURE;
56     }
57     len = strlen (buf);
58     output_name_buffer->length = len;
59     output_name_buffer->value  = malloc(len + 1);
60     if (output_name_buffer->value == NULL) {
61 	free (buf);
62 	*minor_status = ENOMEM;
63 	return GSS_S_FAILURE;
64     }
65     memcpy (output_name_buffer->value, buf, len);
66     ((char *)output_name_buffer->value)[len] = '\0';
67     free (buf);
68     if (output_name_type)
69 	*output_name_type = GSS_KRB5_NT_PRINCIPAL_NAME;
70     *minor_status = 0;
71     return GSS_S_COMPLETE;
72 }
73