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