Line data    Source code

       1             : /* o_init.c */
       2             : /*
       3             :  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
       4             :  * project.
       5             :  */
       6             : /* ====================================================================
       7             :  * Copyright (c) 2011 The OpenSSL Project.  All rights reserved.
       8             :  *
       9             :  * Redistribution and use in source and binary forms, with or without
      10             :  * modification, are permitted provided that the following conditions
      11             :  * are met:
      12             :  *
      13             :  * 1. Redistributions of source code must retain the above copyright
      14             :  *    notice, this list of conditions and the following disclaimer.
      15             :  *
      16             :  * 2. Redistributions in binary form must reproduce the above copyright
      17             :  *    notice, this list of conditions and the following disclaimer in
      18             :  *    the documentation and/or other materials provided with the
      19             :  *    distribution.
      20             :  *
      21             :  * 3. All advertising materials mentioning features or use of this
      22             :  *    software must display the following acknowledgment:
      23             :  *    "This product includes software developed by the OpenSSL Project
      24             :  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
      25             :  *
      26             :  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
      27             :  *    endorse or promote products derived from this software without
      28             :  *    prior written permission. For written permission, please contact
      29             :  *    openssl-core@openssl.org.
      30             :  *
      31             :  * 5. Products derived from this software may not be called "OpenSSL"
      32             :  *    nor may "OpenSSL" appear in their names without prior written
      33             :  *    permission of the OpenSSL Project.
      34             :  *
      35             :  * 6. Redistributions of any form whatsoever must retain the following
      36             :  *    acknowledgment:
      37             :  *    "This product includes software developed by the OpenSSL Project
      38             :  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
      39             :  *
      40             :  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
      41             :  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      42             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
      43             :  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
      44             :  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      45             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
      46             :  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
      47             :  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      48             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
      49             :  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
      50             :  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
      51             :  * OF THE POSSIBILITY OF SUCH DAMAGE.
      52             :  * ====================================================================
      53             :  *
      54             :  */
      55             : 
      56             : #include <e_os.h>
      57             : #include <openssl/err.h>
      58             : #ifdef OPENSSL_FIPS
      59             : # include <openssl/fips.h>
      60             : # include <openssl/rand.h>
      61             : #endif
      62             : 
      63             : /*
      64             :  * Perform any essential OpenSSL initialization operations. Currently only
      65             :  * sets FIPS callbacks
      66             :  */
      67             : 
      68       15851 : void OPENSSL_init(void)
      69             : {
      70             :     static int done = 0;
      71       15851 :     if (done)
      72       15851 :         return;
      73         121 :     done = 1;
      74             : #ifdef OPENSSL_FIPS
      75             :     FIPS_set_locking_callbacks(CRYPTO_lock, CRYPTO_add_lock);
      76             :     FIPS_set_error_callbacks(ERR_put_error, ERR_add_error_vdata);
      77             :     FIPS_set_malloc_callbacks(CRYPTO_malloc, CRYPTO_free);
      78             :     RAND_init_fips();
      79             : #endif
      80             : #if 0
      81             :     fprintf(stderr, "Called OPENSSL_init\n");
      82             : #endif
      83             : }