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/*
* active port forwarder - software for secure forwarding
* Copyright (C) 2003,2004,2005 jeremian <jeremian [at] poczta.fm>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU 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.
*
*/
#include "make_ssl_handshake.h"
#include "stats.h"
#include <config.h>
#include <errno.h>
#include <openssl/err.h>
void
make_ssl_initialize(clifd *cliconn)
{
if (SSL_set_fd(cliconn->ssl, cliconn->commfd) != 1) {
aflog(0, "Problem with initializing ssl... exiting");
exit(1);
}
}
int
make_ssl_accept(clifd *cliconn)
{
int result;
if ((result = SSL_accept(cliconn->ssl)) != 1) {
return get_ssl_error(cliconn, " SSL_accept has failed", result);
}
return 0;
}
int
get_ssl_error(clifd *cliconn, char* info, int result)
{
int merror;
#ifdef HAVE_ERR_ERROR_STRING
char err_buff[200];
#endif
merror = SSL_get_error(cliconn->ssl, result);
switch (merror) {
case SSL_ERROR_NONE : {
aflog(2, "%s(%d): none", info, result);
break;
}
case SSL_ERROR_ZERO_RETURN : {
aflog(2, "%s(%d): zero", info, result);
break;
}
case SSL_ERROR_WANT_READ : {
aflog(2, "%s(%d): w_read", info, result);
break;
}
case SSL_ERROR_WANT_WRITE : {
aflog(2, "%s(%d): w_write", info, result);
break;
}
case SSL_ERROR_WANT_CONNECT : {
aflog(2, "%s(%d): w_connect", info, result);
break;
}
case SSL_ERROR_WANT_X509_LOOKUP : {
aflog(2, "%s(%d): w_x509_lookup", info, result);
break;
}
case SSL_ERROR_SYSCALL : {
aflog(2, "%s(%d): syscall", info, result);
break;
}
case SSL_ERROR_SSL : {
SSL_load_error_strings();
#ifdef HAVE_ERR_ERROR_STRING
aflog(2, "%s(%d): ssl:%s", info, result,
ERR_error_string(ERR_get_error(), err_buff));
#else
aflog(2, "%s(%d): ssl", info, result);
#endif
break;
}
default: {
aflog(2, "%s(%d): unrecognized error (%d)", info, result, errno);
}
}
if (merror == SSL_ERROR_WANT_READ) {
return 1;
}
return 2;
}
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