text: /*
    Copyright (c) 2005-2009 by Jakob Schroeter <js@camaya.net>
    This file is part of the gloox library. http://camaya.net/gloox
  
    This software is distributed under a license. The full license
    agreement can be found in the file LICENSE in this distribution.
    This software may not be copied, modified, sold or distributed
    other than expressed in the named license agreement.
  
    This software is distributed without any warranty.
  */
  
  
  
  #include "tlsgnutlsclientanon.h"
  
  #ifdef HAVE_GNUTLS
  
  #include <errno.h>
  
  namespace gloox
  {
  
    GnuTLSClientAnon::GnuTLSClientAnon( TLSHandler* th )
      : GnuTLSBase( th )
    {
    }
  
    GnuTLSClientAnon::~GnuTLSClientAnon()
    {
      gnutls_anon_free_client_credentials( m_anoncred );
    }
  
    void GnuTLSClientAnon::cleanup()
    {
      GnuTLSBase::cleanup();
      init();
    }
  
    bool GnuTLSClientAnon::init( const std::string&,
                                 const std::string&,
                                 const StringList& )
    {
      const int protocolPriority[] = { GNUTLS_TLS1, 0 };
      const int kxPriority[]       = { GNUTLS_KX_ANON_DH, 0 };
      const int cipherPriority[]   = { GNUTLS_CIPHER_AES_256_CBC, GNUTLS_CIPHER_AES_128_CBC,
                                       GNUTLS_CIPHER_3DES_CBC, GNUTLS_CIPHER_ARCFOUR, 0 };
      const int compPriority[]     = { GNUTLS_COMP_ZLIB, GNUTLS_COMP_NULL, 0 };
      const int macPriority[]      = { GNUTLS_MAC_SHA, GNUTLS_MAC_MD5, 0 };
  
      if( m_initLib && gnutls_global_init() != 0 )
        return false;
  
      if( gnutls_anon_allocate_client_credentials( &m_anoncred ) < 0 )
        return false;
  
      if( gnutls_init( m_session, GNUTLS_CLIENT ) != 0 )
        return false;
  
      gnutls_protocol_set_priority( *m_session, protocolPriority );
      gnutls_cipher_set_priority( *m_session, cipherPriority );
      gnutls_compression_set_priority( *m_session, compPriority );
      gnutls_kx_set_priority( *m_session, kxPriority );
      gnutls_mac_set_priority( *m_session, macPriority );
      gnutls_credentials_set( *m_session, GNUTLS_CRD_ANON, m_anoncred );
  
      gnutls_transport_set_ptr( *m_session, (gnutls_transport_ptr_t)this );
      gnutls_transport_set_push_function( *m_session, pushFunc );
      gnutls_transport_set_pull_function( *m_session, pullFunc );
  
      m_valid = true;
      return true;
    }
  
    void GnuTLSClientAnon::getCertInfo()
    {
      m_certInfo.status = CertOk;
  
      const char* info;
      info = gnutls_compression_get_name( gnutls_compression_get( *m_session ) );
      if( info )
        m_certInfo.compression = info;
  
      info = gnutls_mac_get_name( gnutls_mac_get( *m_session ) );
      if( info )
        m_certInfo.mac = info;
  
      info = gnutls_cipher_get_name( gnutls_cipher_get( *m_session ) );
      if( info )
        m_certInfo.cipher = info;
  
      info = gnutls_protocol_get_name( gnutls_protocol_get_version( *m_session ) );
      if( info )
        m_certInfo.protocol = info;
  
      m_valid = true;
    }
  
  }
  
  #endif // HAVE_GNUTLS
  