init.c revision 233294
1132943Sgshapiro/* 2261363Sgshapiro * Copyright (c) 1997 - 2001, 2003, 2006 Kungliga Tekniska H��gskolan 3132943Sgshapiro * (Royal Institute of Technology, Stockholm, Sweden). 4132943Sgshapiro * All rights reserved. 5132943Sgshapiro * 6132943Sgshapiro * Redistribution and use in source and binary forms, with or without 7132943Sgshapiro * modification, are permitted provided that the following conditions 8132943Sgshapiro * are met: 9132943Sgshapiro * 10132943Sgshapiro * 1. Redistributions of source code must retain the above copyright 11132943Sgshapiro * notice, this list of conditions and the following disclaimer. 12132943Sgshapiro * 13132943Sgshapiro * 2. Redistributions in binary form must reproduce the above copyright 14132943Sgshapiro * notice, this list of conditions and the following disclaimer in the 15132943Sgshapiro * documentation and/or other materials provided with the distribution. 16132943Sgshapiro * 17132943Sgshapiro * 3. Neither the name of the Institute nor the names of its contributors 18132943Sgshapiro * may be used to endorse or promote products derived from this software 19132943Sgshapiro * without specific prior written permission. 20132943Sgshapiro * 21132943Sgshapiro * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22132943Sgshapiro * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23132943Sgshapiro * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24132943Sgshapiro * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25132943Sgshapiro * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26132943Sgshapiro * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27132943Sgshapiro * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28132943Sgshapiro * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29132943Sgshapiro * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30132943Sgshapiro * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31132943Sgshapiro * SUCH DAMAGE. 32132943Sgshapiro */ 33132943Sgshapiro 34132943Sgshapiro#include "gsskrb5_locl.h" 35132943Sgshapiro 36132943Sgshapirostatic HEIMDAL_MUTEX context_mutex = HEIMDAL_MUTEX_INITIALIZER; 37132943Sgshapirostatic int created_key; 38132943Sgshapirostatic HEIMDAL_thread_key context_key; 39132943Sgshapiro 40132943Sgshapirostatic void 41132943Sgshapirodestroy_context(void *ptr) 42132943Sgshapiro{ 43132943Sgshapiro krb5_context context = ptr; 44132943Sgshapiro 45132943Sgshapiro if (context == NULL) 46132943Sgshapiro return; 47132943Sgshapiro krb5_free_context(context); 48266692Sgshapiro} 49132943Sgshapiro 50132943Sgshapirokrb5_error_code 51132943Sgshapiro_gsskrb5_init (krb5_context *context) 52132943Sgshapiro{ 53132943Sgshapiro krb5_error_code ret = 0; 54132943Sgshapiro 55132943Sgshapiro HEIMDAL_MUTEX_lock(&context_mutex); 56132943Sgshapiro 57132943Sgshapiro if (!created_key) { 58132943Sgshapiro HEIMDAL_key_create(&context_key, destroy_context, ret); 59157001Sgshapiro if (ret) { 60132943Sgshapiro HEIMDAL_MUTEX_unlock(&context_mutex); 61132943Sgshapiro return ret; 62132943Sgshapiro } 63132943Sgshapiro created_key = 1; 64132943Sgshapiro } 65132943Sgshapiro HEIMDAL_MUTEX_unlock(&context_mutex); 66132943Sgshapiro 67132943Sgshapiro *context = HEIMDAL_getspecific(context_key); 68132943Sgshapiro if (*context == NULL) { 69132943Sgshapiro 70132943Sgshapiro ret = krb5_init_context(context); 71132943Sgshapiro if (ret == 0) { 72132943Sgshapiro HEIMDAL_setspecific(context_key, *context, ret); 73132943Sgshapiro if (ret) { 74132943Sgshapiro krb5_free_context(*context); 75132943Sgshapiro *context = NULL; 76132943Sgshapiro } 77132943Sgshapiro } 78132943Sgshapiro } 79132943Sgshapiro 80132943Sgshapiro return ret; 81132943Sgshapiro} 82132943Sgshapiro