src/ssl/helper.h

   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 #ifndef SQUID_SSL_HELPER_H
  10 #define SQUID_SSL_HELPER_H
  11
  12 #if USE_OPENSSL
  13
  14 #include "base/AsyncJobCalls.h"
  15 #include "base/LruMap.h"
  16 #include "helper/forward.h"
  17 #include "security/forward.h"
  18 #include "ssl/cert_validate_message.h"
  19 #include "ssl/crtd_message.h"
  20
  21 namespace Ssl
  22 {
  23 #if USE_SSL_CRTD
  24 /**
  25  * Set of thread for ssl_crtd. This class is singleton. Use this class only
  26  * over GetIntance() static method. This class use helper structure
  27  * for threads management.
  28  */
  29 class Helper
  30 {
  31 public:
  32     static Helper * GetInstance(); ///< Instance class.
  33     void Init(); ///< Init helper structure.
  34     void Shutdown(); ///< Shutdown helper structure.
  35     /// Submit crtd message to external crtd server.
  36     void sslSubmit(CrtdMessage const & message, HLPCB * callback, void *data);
  37 private:
  38     Helper();
  39     ~Helper();
  40
  41     helper * ssl_crtd; ///< helper for management of ssl_crtd.
  42 };
  43 #endif
  44
  45 class CertValidationRequest;
  46 class CertValidationResponse;
  47 class CertValidationHelper
  48 {
  49 public:
  50     typedef UnaryMemFunT<Security::PeerConnector, CertValidationResponse::Pointer> CbDialer;
  51
  52     typedef void CVHCB(void *, Ssl::CertValidationResponse const &);
  53     static CertValidationHelper * GetInstance(); ///< Instance class.
  54     void Init(); ///< Init helper structure.
  55     void Shutdown(); ///< Shutdown helper structure.
  56     /// Submit crtd request message to external crtd server.
  57     void sslSubmit(Ssl::CertValidationRequest const & request, AsyncCall::Pointer &);
  58 private:
  59     CertValidationHelper();
  60     ~CertValidationHelper();
  61
  62     helper * ssl_crt_validator; ///< helper for management of ssl_crtd.
  63 public:
  64     typedef LruMap<Ssl::CertValidationResponse::Pointer, sizeof(Ssl::CertValidationResponse::Pointer) + sizeof(Ssl::CertValidationResponse)> LruCache;
  65     static LruCache *HelperCache; ///< cache for cert validation helper
  66 };
  67
  68 } //namespace Ssl
  69
  70 #endif /* USE_OPENSSL */
  71 #endif // SQUID_SSL_HELPER_H
  72