1/*
2 * Copyright (c) 1997 - 2001, 2003, 2006 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
36heim_string_t _gsskrb5_kGSSICPassword;
37heim_string_t _gsskrb5_kGSSICKerberosCacheName;
38heim_string_t _gsskrb5_kGSSICCertificate;
39heim_string_t _gsskrb5_kGSSICLKDCHostname;
40heim_string_t _gsskrb5_kGSSICAppIdentifierACL;
41
42static HEIMDAL_thread_key context_key;
43
44static void
45destroy_context(void *ptr)
46{
47    krb5_context context = ptr;
48
49    if (context == NULL)
50	return;
51    krb5_free_context(context);
52}
53
54static void
55once_func(void *ctx)
56{
57    int ret;
58
59    _gsskrb5_kGSSICPassword = heim_string_create("kGSSICPassword");
60    _gsskrb5_kGSSICCertificate = heim_string_create("kGSSICCertificate");
61    _gsskrb5_kGSSICKerberosCacheName = heim_string_create("kGSSICKerberosCacheName");
62    _gsskrb5_kGSSICLKDCHostname = heim_string_create("kGSSICLKDCHostname");
63    _gsskrb5_kGSSICAppIdentifierACL = heim_string_create("kGSSICAppIdentifierACL");
64
65    HEIMDAL_key_create(&context_key, destroy_context, ret);
66}
67
68krb5_error_code
69_gsskrb5_init (krb5_context *context)
70{
71    static heim_base_once_t once;
72    krb5_error_code ret = 0;
73
74    heim_base_once_f(&once, NULL, once_func);
75
76    *context = HEIMDAL_getspecific(context_key);
77    if (*context == NULL) {
78
79	ret = krb5_init_context(context);
80	if (ret == 0) {
81	    HEIMDAL_setspecific(context_key, *context, ret);
82	    if (ret) {
83		krb5_free_context(*context);
84		*context = NULL;
85	    }
86	}
87    } else {
88	krb5_reload_config(*context, 0, NULL);
89    }
90
91    return ret;
92}
93