1*ebfedea0SLionel Sambuc /* $NetBSD: init.c,v 1.1.1.1 2011/04/13 18:14:45 elric Exp $ */
2*ebfedea0SLionel Sambuc
3*ebfedea0SLionel Sambuc /*
4*ebfedea0SLionel Sambuc * Copyright (c) 1997 - 2001, 2003, 2006 Kungliga Tekniska Högskolan
5*ebfedea0SLionel Sambuc * (Royal Institute of Technology, Stockholm, Sweden).
6*ebfedea0SLionel Sambuc * All rights reserved.
7*ebfedea0SLionel Sambuc *
8*ebfedea0SLionel Sambuc * Redistribution and use in source and binary forms, with or without
9*ebfedea0SLionel Sambuc * modification, are permitted provided that the following conditions
10*ebfedea0SLionel Sambuc * are met:
11*ebfedea0SLionel Sambuc *
12*ebfedea0SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
13*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer.
14*ebfedea0SLionel Sambuc *
15*ebfedea0SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17*ebfedea0SLionel Sambuc * documentation and/or other materials provided with the distribution.
18*ebfedea0SLionel Sambuc *
19*ebfedea0SLionel Sambuc * 3. Neither the name of the Institute nor the names of its contributors
20*ebfedea0SLionel Sambuc * may be used to endorse or promote products derived from this software
21*ebfedea0SLionel Sambuc * without specific prior written permission.
22*ebfedea0SLionel Sambuc *
23*ebfedea0SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24*ebfedea0SLionel Sambuc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*ebfedea0SLionel Sambuc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*ebfedea0SLionel Sambuc * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27*ebfedea0SLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*ebfedea0SLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*ebfedea0SLionel Sambuc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*ebfedea0SLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*ebfedea0SLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*ebfedea0SLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*ebfedea0SLionel Sambuc * SUCH DAMAGE.
34*ebfedea0SLionel Sambuc */
35*ebfedea0SLionel Sambuc
36*ebfedea0SLionel Sambuc #include "gsskrb5_locl.h"
37*ebfedea0SLionel Sambuc
38*ebfedea0SLionel Sambuc static HEIMDAL_MUTEX context_mutex = HEIMDAL_MUTEX_INITIALIZER;
39*ebfedea0SLionel Sambuc static int created_key;
40*ebfedea0SLionel Sambuc static HEIMDAL_thread_key context_key;
41*ebfedea0SLionel Sambuc
42*ebfedea0SLionel Sambuc static void
destroy_context(void * ptr)43*ebfedea0SLionel Sambuc destroy_context(void *ptr)
44*ebfedea0SLionel Sambuc {
45*ebfedea0SLionel Sambuc krb5_context context = ptr;
46*ebfedea0SLionel Sambuc
47*ebfedea0SLionel Sambuc if (context == NULL)
48*ebfedea0SLionel Sambuc return;
49*ebfedea0SLionel Sambuc krb5_free_context(context);
50*ebfedea0SLionel Sambuc }
51*ebfedea0SLionel Sambuc
52*ebfedea0SLionel Sambuc krb5_error_code
_gsskrb5_init(krb5_context * context)53*ebfedea0SLionel Sambuc _gsskrb5_init (krb5_context *context)
54*ebfedea0SLionel Sambuc {
55*ebfedea0SLionel Sambuc krb5_error_code ret = 0;
56*ebfedea0SLionel Sambuc
57*ebfedea0SLionel Sambuc HEIMDAL_MUTEX_lock(&context_mutex);
58*ebfedea0SLionel Sambuc
59*ebfedea0SLionel Sambuc if (!created_key) {
60*ebfedea0SLionel Sambuc HEIMDAL_key_create(&context_key, destroy_context, ret);
61*ebfedea0SLionel Sambuc if (ret) {
62*ebfedea0SLionel Sambuc HEIMDAL_MUTEX_unlock(&context_mutex);
63*ebfedea0SLionel Sambuc return ret;
64*ebfedea0SLionel Sambuc }
65*ebfedea0SLionel Sambuc created_key = 1;
66*ebfedea0SLionel Sambuc }
67*ebfedea0SLionel Sambuc HEIMDAL_MUTEX_unlock(&context_mutex);
68*ebfedea0SLionel Sambuc
69*ebfedea0SLionel Sambuc *context = HEIMDAL_getspecific(context_key);
70*ebfedea0SLionel Sambuc if (*context == NULL) {
71*ebfedea0SLionel Sambuc
72*ebfedea0SLionel Sambuc ret = krb5_init_context(context);
73*ebfedea0SLionel Sambuc if (ret == 0) {
74*ebfedea0SLionel Sambuc HEIMDAL_setspecific(context_key, *context, ret);
75*ebfedea0SLionel Sambuc if (ret) {
76*ebfedea0SLionel Sambuc krb5_free_context(*context);
77*ebfedea0SLionel Sambuc *context = NULL;
78*ebfedea0SLionel Sambuc }
79*ebfedea0SLionel Sambuc }
80*ebfedea0SLionel Sambuc }
81*ebfedea0SLionel Sambuc
82*ebfedea0SLionel Sambuc return ret;
83*ebfedea0SLionel Sambuc }
84