src/security/Context.h

   1 /*
   2  * Copyright (C) 1996-2016 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_SRC_SECURITY_CONTEXT_H
  10 #define SQUID_SRC_SECURITY_CONTEXT_H
  11
  12 #include "security/LockingPointer.h"
  13
  14 #if USE_OPENSSL
  15 #if HAVE_OPENSSL_SSL_H
  16 #include <openssl/ssl.h>
  17 #endif
  18
  19 #elif USE_GNUTLS
  20 #if HAVE_GNUTLS_GNUTLS_H
  21 #include <gnutls/gnutls.h>
  22 #endif
  23 #endif
  24
  25 namespace Security {
  26
  27 /* IMPORTANT:
  28  * Due to circular dependency issues between ssl/libsquidssl.la and
  29  * security/libsecurity.la the code within src/ssl/ is restricted to
  30  * only using Security::ContextPtr, it MUST NOT use ContextPointer
  31  *
  32  * Code outside of src/ssl/ should always use Security::ContextPointer
  33  * when storing a reference to a context.
  34  */
  35 #if USE_OPENSSL
  36 typedef SSL_CTX* ContextPtr;
  37 CtoCpp1(SSL_CTX_free, SSL_CTX *);
  38 typedef LockingPointer<SSL_CTX, SSL_CTX_free_cpp, CRYPTO_LOCK_SSL_CTX> ContextPointer;
  39
  40 #elif USE_GNUTLS
  41 typedef gnutls_certificate_credentials_t ContextPtr;
  42 CtoCpp1(gnutls_certificate_free_credentials, gnutls_certificate_credentials_t);
  43 typedef Security::LockingPointer<struct gnutls_certificate_credentials_st, gnutls_certificate_free_credentials_cpp, -1> ContextPointer;
  44
  45 #else
  46 // use void* so we can check against nullptr
  47 typedef void* ContextPtr;
  48 typedef Security::LockingPointer<void, nullptr, -1> ContextPointer;
  49
  50 #endif
  51
  52 } // namespace Security
  53
  54 #endif /* SQUID_SRC_SECURITY_CONTEXT_H */
  55