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Diffstat (limited to 'tests/rehandshake-ext-secret.c')
| -rw-r--r-- | tests/rehandshake-ext-secret.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/tests/rehandshake-ext-secret.c b/tests/rehandshake-ext-secret.c new file mode 100644 index 0000000..94279f0 --- /dev/null +++ b/tests/rehandshake-ext-secret.c @@ -0,0 +1,148 @@ +/* + * Copyright (C) 2016 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 "utils.h" +#include "eagain-common.h" +#include "cert-common.h" + +/* This program tests whether rehandshake without ext master secret works + * even if ext master secret was used initially. + * + * Note that we do not fail gracefully and we simply continue as if + * the extension is still valid. This violates the letter of RFC7627. + */ + +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 onclient) +{ + /* 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. */ + global_init(); + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(7); + + /* 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_credentials_set(server, GNUTLS_CRD_CERTIFICATE, + serverx509cred); + gnutls_priority_set_direct(server, "NORMAL:-VERS-ALL:+VERS-TLS1.2", NULL); + gnutls_transport_set_push_function(server, server_push); + gnutls_transport_set_pull_function(server, server_pull); + gnutls_transport_set_ptr(server, server); + + /* Init client */ + gnutls_certificate_allocate_credentials(&clientx509cred); + gnutls_init(&client, GNUTLS_CLIENT); + gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, + clientx509cred); + gnutls_priority_set_direct(client, "NORMAL:-VERS-ALL:+VERS-TLS1.2", NULL); + gnutls_transport_set_push_function(client, client_push); + gnutls_transport_set_pull_function(client, client_pull); + gnutls_transport_set_ptr(client, client); + + HANDSHAKE(client, server); + + if (gnutls_session_ext_master_secret_status(server) == 0) { + fail("%d: ext master secret was not detected by server\n", onclient); + } + + if (gnutls_session_ext_master_secret_status(client) == 0) { + fail("%d: ext master secret was not detected by client\n", onclient); + } + + if ((gnutls_session_get_flags(server) & GNUTLS_SFLAGS_EXT_MASTER_SECRET) == 0) { + fail("%d: ext master secret was not detected by server\n", onclient); + } + + if ((gnutls_session_get_flags(client) & GNUTLS_SFLAGS_EXT_MASTER_SECRET) == 0) { + fail("%d: ext master secret was not detected by client\n", onclient); + } + + if (onclient) + gnutls_priority_set_direct(client, "NORMAL:-VERS-ALL:+VERS-TLS1.2:%NO_SESSION_HASH", NULL); + else + gnutls_priority_set_direct(server, "NORMAL:-VERS-ALL:+VERS-TLS1.2:%NO_SESSION_HASH", NULL); + + sret = gnutls_rehandshake(server); + if (debug) { + tls_log_func(0, "gnutls_rehandshake (server)...\n"); + tls_log_func(0, gnutls_strerror(sret)); + tls_log_func(0, "\n"); + } + + { + ssize_t n; + char b[1]; + n = gnutls_record_recv(client, b, 1); + if (n != GNUTLS_E_REHANDSHAKE) + abort(); + } + + if (onclient) { + HANDSHAKE_EXPECT(client, server, GNUTLS_E_AGAIN, GNUTLS_E_DECRYPTION_FAILED); + } else { + HANDSHAKE_EXPECT(client, server, GNUTLS_E_AGAIN, GNUTLS_E_DECRYPTION_FAILED); + } + + gnutls_deinit(client); + gnutls_deinit(server); + + gnutls_certificate_free_credentials(serverx509cred); + gnutls_certificate_free_credentials(clientx509cred); + + gnutls_global_deinit(); +} + +void doit(void) +{ + try(0); + reset_buffers(); + try(1); +} |