diff options
Diffstat (limited to 'tests/dtls-handshake-versions.c')
| -rw-r--r-- | tests/dtls-handshake-versions.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/tests/dtls-handshake-versions.c b/tests/dtls-handshake-versions.c new file mode 100644 index 0000000..507aa06 --- /dev/null +++ b/tests/dtls-handshake-versions.c @@ -0,0 +1,143 @@ +/* + * Copyright (C) 2015 Red Hat, Inc. + * + * Author: Nikos Mavrogiannopoulos + * + * This file is part of GnuTLS. + * + * GnuTLS 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 3 of the License, or + * (at your option) any later version. + * + * GnuTLS 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 GnuTLS; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <gnutls/gnutls.h> +#include <gnutls/dtls.h> +#include "utils.h" +#include "eagain-common.h" +#include "cert-common.h" + +/* This tests whether the server reacts as expected on various client + * hello TLS versions */ + +void _gnutls_hello_set_default_version(gnutls_session_t session, + unsigned char major, + unsigned char minor); + +const char *side; + +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "%s|<%d>| %s", side, level, str); +} + +static void try(unsigned char major, unsigned char minor, int ret1, int ret2) +{ + int ret; + /* Server stuff. */ + gnutls_certificate_credentials_t serverx509cred; + gnutls_session_t server; + int sret = GNUTLS_E_AGAIN; + /* Client stuff. */ + gnutls_certificate_credentials_t clientx509cred; + gnutls_session_t client; + int cret = GNUTLS_E_AGAIN; + + /* General init. */ + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(6); + + /* Init server */ + gnutls_certificate_allocate_credentials(&serverx509cred); + gnutls_certificate_set_x509_key_mem(serverx509cred, + &server_cert, &server_key, + GNUTLS_X509_FMT_PEM); + + gnutls_init(&server, GNUTLS_SERVER|GNUTLS_DATAGRAM | GNUTLS_NONBLOCK); + gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, + serverx509cred); + + gnutls_priority_set_direct(server, + "NORMAL", + NULL); + gnutls_transport_set_push_function(server, server_push); + gnutls_transport_set_pull_function(server, server_pull); + gnutls_transport_set_pull_timeout_function(server, + server_pull_timeout_func); + gnutls_transport_set_ptr(server, server); + + /* Init client */ + + ret = gnutls_certificate_allocate_credentials(&clientx509cred); + if (ret < 0) + exit(1); + + ret = gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca_cert, GNUTLS_X509_FMT_PEM); + if (ret < 0) + exit(1); + + ret = gnutls_init(&client, GNUTLS_CLIENT|GNUTLS_DATAGRAM | GNUTLS_NONBLOCK); + if (ret < 0) + exit(1); + + ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, + clientx509cred); + if (ret < 0) + exit(1); + + ret = gnutls_priority_set_direct(client, "NORMAL", NULL); + if (ret < 0) + exit(1); + + gnutls_transport_set_push_function(client, client_push); + gnutls_transport_set_pull_function(client, client_pull); + gnutls_transport_set_pull_timeout_function(client, + client_pull_timeout_func); + gnutls_transport_set_ptr(client, client); + _gnutls_hello_set_default_version(client, major, minor); + + HANDSHAKE_DTLS_EXPECT(client, server, ret1, ret2); + + gnutls_bye(client, GNUTLS_SHUT_RDWR); + gnutls_bye(server, GNUTLS_SHUT_RDWR); + + gnutls_deinit(client); + gnutls_deinit(server); + + gnutls_certificate_free_credentials(serverx509cred); + gnutls_certificate_free_credentials(clientx509cred); +} + +void doit(void) +{ + global_init(); + + try(255, 255, GNUTLS_E_AGAIN, GNUTLS_E_UNSUPPORTED_VERSION_PACKET); + reset_buffers(); + try(255, 128, GNUTLS_E_AGAIN, GNUTLS_E_UNSUPPORTED_VERSION_PACKET); + reset_buffers(); + try(254, 128, 0, 0); + reset_buffers(); + try(252, 64, 0, 0); + reset_buffers(); + + gnutls_global_deinit(); +} |