diff options
Diffstat (limited to 'common/rfb/SSecurityTLS.cxx')
-rw-r--r-- | common/rfb/SSecurityTLS.cxx | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/common/rfb/SSecurityTLS.cxx b/common/rfb/SSecurityTLS.cxx new file mode 100644 index 00000000..f54158e7 --- /dev/null +++ b/common/rfb/SSecurityTLS.cxx @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2004 Red Hat Inc. + * Copyright (C) 2005 Martin Koegler + * Copyright (C) 2010 TigerVNC Team + * + * This 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 software 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 software; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifdef HAVE_GNUTLS + +#include <rfb/SSecurityTLS.h> +#include <rfb/Exception.h> + +#define DH_BITS 1024 + +#undef TLS_DEBUG + +using namespace rfb; + +SSecurityTLS::SSecurityTLS() : dh_params(0), anon_cred(0) +{ +} + +SSecurityTLS::~SSecurityTLS() +{ + shutdown(); + if (dh_params) + gnutls_dh_params_deinit(dh_params); + if (anon_cred) + gnutls_anon_free_server_credentials(anon_cred); +} + +void SSecurityTLS::freeResources() +{ + if (dh_params) + gnutls_dh_params_deinit(dh_params); + dh_params = 0; + if (anon_cred) + gnutls_anon_free_server_credentials(anon_cred); + anon_cred = 0; +} + +void SSecurityTLS::setParams(gnutls_session session) +{ + static const int kx_priority[] = {GNUTLS_KX_ANON_DH, 0}; + gnutls_kx_set_priority(session, kx_priority); + + if (gnutls_anon_allocate_server_credentials(&anon_cred) != GNUTLS_E_SUCCESS) + throw AuthFailureException("gnutls_anon_allocate_server_credentials failed"); + + if (gnutls_dh_params_init(&dh_params) != GNUTLS_E_SUCCESS) + throw AuthFailureException("gnutls_dh_params_init failed"); + + if (gnutls_dh_params_generate2(dh_params, DH_BITS) != GNUTLS_E_SUCCESS) + throw AuthFailureException("gnutls_dh_params_generate2 failed"); + + gnutls_anon_set_server_dh_params(anon_cred, dh_params); + + if (gnutls_credentials_set(session, GNUTLS_CRD_ANON, anon_cred) + != GNUTLS_E_SUCCESS) + throw AuthFailureException("gnutls_credentials_set failed"); + +} + +#endif /* HAVE_GNUTLS */ |