hphp/util/ssl-init.cpp

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #include "hphp/util/ssl-init.h"
  18 #include "hphp/util/mutex.h"
  19 #include "hphp/util/process.h"
  20 #include <openssl/crypto.h>
  21
  22 namespace HPHP {
  23 ///////////////////////////////////////////////////////////////////////////////
  24
  25 static Mutex *s_locks = nullptr;
  26
  27 static unsigned long callback_thread_id() {
  28   return (unsigned long)Process::GetThreadId();
  29 }
  30
  31 static void
  32 callback_locking(int mode, int type, const char* /*file*/, int /*line*/) {
  33   if (mode & CRYPTO_LOCK) {
  34     s_locks[type].lock();
  35   } else {
  36     s_locks[type].unlock();
  37   }
  38 }
  39
  40 static bool s_isSSLInited = false;
  41
  42 struct SSLUnitializer {
  43   ~SSLUnitializer() {
  44     delete [] s_locks;
  45   }
  46 };
  47 static SSLUnitializer s_ssl_uninitializer;
  48
  49 void SSLInit::Init() {
  50   assert(!s_isSSLInited);
  51   s_locks = new Mutex[CRYPTO_num_locks()];
  52   CRYPTO_set_id_callback((unsigned long (*)())callback_thread_id);
  53   CRYPTO_set_locking_callback(
  54     (void (*)(int mode, int type, const char *file, int line))
  55     callback_locking);
  56   s_isSSLInited = true;
  57 }
  58
  59 bool SSLInit::IsInited() {
  60   return s_isSSLInited;
  61 }
  62
  63 ///////////////////////////////////////////////////////////////////////////////
  64 }