src/auth/digest/Scheme.cc

   1 /*
   2  * Copyright (C) 1996-2017 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #include "squid.h"
  10 #include "auth/digest/Config.h"
  11 #include "auth/digest/Scheme.h"
  12 #include "Debug.h"
  13 #include "globals.h"
  14 #include "helper.h"
  15
  16 Auth::Scheme::Pointer Auth::Digest::Scheme::_instance = NULL;
  17
  18 Auth::Scheme::Pointer
  19 Auth::Digest::Scheme::GetInstance()
  20 {
  21     if (_instance == NULL) {
  22         _instance = new Auth::Digest::Scheme();
  23         AddScheme(_instance);
  24     }
  25     return _instance;
  26 }
  27
  28 char const *
  29 Auth::Digest::Scheme::type() const
  30 {
  31     return "digest";
  32 }
  33
  34 void
  35 Auth::Digest::Scheme::shutdownCleanup()
  36 {
  37     if (_instance == NULL)
  38         return;
  39
  40     authenticateDigestNonceShutdown();
  41
  42     _instance = NULL;
  43     debugs(29, DBG_CRITICAL, "Shutdown: Digest authentication.");
  44 }
  45
  46 Auth::SchemeConfig *
  47 Auth::Digest::Scheme::createConfig()
  48 {
  49     Auth::Digest::Config *digestCfg = new Auth::Digest::Config;
  50     return dynamic_cast<Auth::SchemeConfig*>(digestCfg);
  51 }
  52