source: sources/src/ioSsl.cc @ 1439:b23bfdd8a935

/***************************************************************************
 *            ioSsl.cc
 *
 *  Wed Jun 11 2008
 *  Copyright  2008  Dmytro Milinevskyy
 *  milinevskyy@gmail.com
 ****************************************************************************/

/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License version 2.1 as published by
 *  the Free Software Foundation;
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/**
 * vim indentation settings
 * set tabstop=4
 * set shiftwidth=4
 */

#include <libdodo/directives.h>

#ifdef OPENSSL_EXT
#include <sys/stat.h>
#include <sys/time.h>
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <openssl/err.h>

#include "ioSsl.inline"

#include <libdodo/ioSsl.h>

namespace dodo {
    namespace io {
        namespace ssl {
            __openssl___init__ __openssl___init_object__;
        };
    };
};

//-------------------------------------------------------------------

using namespace dodo::io::ssl;

__certificates__::__certificates__() : keyType(-1)
{
}

//-------------------------------------------------------------------

__openssl___init__::__openssl___init__()
{
    SSL_load_error_strings();
    SSL_library_init();

    struct stat randstat;

    if (stat("/dev/random", &randstat) == -1 && stat("/dev/random", &randstat) == -1) {
        char buf[4];
        struct timeval tv;

        for (int i = 0; i < 10000; ++i) {
            if (RAND_status() == 1)
                break;

            gettimeofday(&tv, NULL);

            buf[0] = tv.tv_usec & 0xF;
            buf[2] = (tv.tv_usec & 0xF0) >> 4;
            buf[3] = (tv.tv_usec & 0xF00) >> 8;
            buf[1] = (tv.tv_usec & 0xF000) >> 12;

            RAND_add(buf, sizeof(buf), 0.1);
        }
    }
}

//-------------------------------------------------------------------

__openssl___init__::~__openssl___init__()
{
    ERR_free_strings();

    RAND_cleanup();
}

//-------------------------------------------------------------------

void
__openssl___init__::addEntropy()
{
    struct stat randstat;

    if (stat("/dev/random", &randstat) == -1 && stat("/dev/random", &randstat) == -1) {
        char buf[4];
        struct timeval tv;

        for (int i = 0; i < 10000; ++i) {
            if (RAND_status() == 1)
                break;

            gettimeofday(&tv, NULL);

            buf[0] = tv.tv_usec & 0xF;
            buf[2] = (tv.tv_usec & 0xF0) >> 4;
            buf[3] = (tv.tv_usec & 0xF00) >> 8;
            buf[1] = (tv.tv_usec & 0xF000) >> 12;

            RAND_add(buf, sizeof(buf), 0.1);
        }
    }
}

//-------------------------------------------------------------------
#endif