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// distribution boxbackup-0.11rc1 (svn version: 2023_2024)
//
// Copyright (c) 2003 - 2006
// Ben Summers and contributors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All use of this software and associated advertising materials must
// display the following acknowledgment:
// This product includes software developed by Ben Summers.
// 4. The names of the Authors may not be used to endorse or promote
// products derived from this software without specific prior written
// permission.
//
// [Where legally impermissible the Authors do not disclaim liability for
// direct physical injury or death caused solely by defects in the software
// unless it is modified by a third party.]
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//
//
// --------------------------------------------------------------------------
//
// File
// Name: SSLLib.cpp
// Purpose: Utility functions for dealing with the OpenSSL library
// Created: 2003/08/06
//
// --------------------------------------------------------------------------
#include "Box.h"
#define TLS_CLASS_IMPLEMENTATION_CPP
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include "SSLLib.h"
#include "ServerException.h"
#include "MemLeakFindOn.h"
#ifndef NDEBUG
bool SSLLib__TraceErrors = false;
#endif
// --------------------------------------------------------------------------
//
// Function
// Name: SSLLib::Initialise()
// Purpose: Initialise SSL library
// Created: 2003/08/06
//
// --------------------------------------------------------------------------
void SSLLib::Initialise()
{
if(!::SSL_library_init())
{
LogError("Initialisation");
THROW_EXCEPTION(ServerException, SSLLibraryInitialisationError)
}
// More helpful error messages
::SSL_load_error_strings();
// Extra seeding over and above what's already done by the library
#ifdef HAVE_RANDOM_DEVICE
if(::RAND_load_file(RANDOM_DEVICE, 1024) != 1024)
{
THROW_EXCEPTION(ServerException, SSLRandomInitFailed)
}
#else
BOX_WARNING("No random device -- additional seeding of "
"random number generator not performed.");
#endif
}
// --------------------------------------------------------------------------
//
// Function
// Name: SSLLib::LogError(const char *)
// Purpose: Logs an error
// Created: 2003/08/06
//
// --------------------------------------------------------------------------
void SSLLib::LogError(const char *ErrorDuringAction)
{
unsigned long errcode;
char errname[256]; // SSL docs say at least 120 bytes
while((errcode = ERR_get_error()) != 0)
{
::ERR_error_string_n(errcode, errname, sizeof(errname));
BOX_ERROR("SSL error during " << ErrorDuringAction << ": " <<
errname);
}
}
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