1 /*	$NetBSD: authorize_localname.c,v 1.1.1.1 2014/04/24 12:45:29 pettai Exp $	*/
2 
3 /*
4  * Copyright (c) 2011, PADL Software Pty Ltd.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * 3. Neither the name of PADL Software nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #include "gsskrb5_locl.h"
36 
37 OM_uint32 GSSAPI_CALLCONV
_gsskrb5_authorize_localname(OM_uint32 * minor_status,const gss_name_t input_name,gss_const_buffer_t user_name,gss_const_OID user_name_type)38 _gsskrb5_authorize_localname(OM_uint32 *minor_status,
39                              const gss_name_t input_name,
40                              gss_const_buffer_t user_name,
41                              gss_const_OID user_name_type)
42 {
43     krb5_context context;
44     krb5_principal princ = (krb5_principal)input_name;
45     char *user;
46     int user_ok;
47 
48     if (!gss_oid_equal(user_name_type, GSS_C_NT_USER_NAME))
49         return GSS_S_BAD_NAMETYPE;
50 
51     GSSAPI_KRB5_INIT(&context);
52 
53     user = malloc(user_name->length + 1);
54     if (user == NULL) {
55         *minor_status = ENOMEM;
56         return GSS_S_FAILURE;
57     }
58 
59     memcpy(user, user_name->value, user_name->length);
60     user[user_name->length] = '\0';
61 
62     *minor_status = 0;
63     user_ok = krb5_kuserok(context, princ, user);
64 
65     free(user);
66 
67     return user_ok ? GSS_S_COMPLETE : GSS_S_UNAUTHORIZED;
68 }
69