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Diffstat (limited to '')
| -rw-r--r-- | tests/post-client-hello-change-prio.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/tests/post-client-hello-change-prio.c b/tests/post-client-hello-change-prio.c new file mode 100644 index 0000000..e87becc --- /dev/null +++ b/tests/post-client-hello-change-prio.c @@ -0,0 +1,149 @@ +/* + * Copyright (C) 2018 Nikos Mavrogiannopoulos + * + * 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 Lesser General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/> + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <assert.h> +#include <gnutls/gnutls.h> +#include "utils.h" +#include "eagain-common.h" +#include "cert-common.h" + +/* Tests whether the post_client_hello callback can modify + * the available priorities. This is used by apache's mod_gnutls. + */ + +const char *side; +static int pch_ok = 0; +const char *override_prio = NULL; + +static int post_client_hello_callback(gnutls_session_t session) +{ + if (override_prio) { + assert(gnutls_priority_set_direct(session, override_prio, NULL) >= 0); + } + pch_ok = 1; + return 0; +} + +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "%s|<%d>| %s", side, level, str); +} + +static +void start(const char *name, const char *client_prio, const char *server_prio, int expected) +{ + /* 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; + + success("trying %s\n", name); + + pch_ok = 0; + + /* General init. */ + global_init(); + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(4); + + /* Init server */ + assert(gnutls_certificate_allocate_credentials(&serverx509cred)>=0); + assert(gnutls_certificate_set_x509_key_mem(serverx509cred, + &server_cert, &server_key, + GNUTLS_X509_FMT_PEM)>=0); + assert(gnutls_init(&server, GNUTLS_SERVER)>=0); + gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, + serverx509cred); + assert(gnutls_priority_set_direct(server, server_prio, NULL)>=0); + gnutls_transport_set_push_function(server, server_push); + gnutls_transport_set_pull_function(server, server_pull); + gnutls_transport_set_ptr(server, server); + gnutls_handshake_set_post_client_hello_function(server, + post_client_hello_callback); + + assert(gnutls_certificate_allocate_credentials(&clientx509cred)>=0); + assert(gnutls_init(&client, GNUTLS_CLIENT)>=0); + gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, + clientx509cred); + assert(gnutls_priority_set_direct(client, client_prio, NULL)>=0); + gnutls_transport_set_push_function(client, client_push); + gnutls_transport_set_pull_function(client, client_pull); + gnutls_transport_set_ptr(client, client); + + if (expected > 0) { + int ret; + + HANDSHAKE(client, server); + + ret = gnutls_protocol_get_version(client); + assert(expected == ret); + + ret = gnutls_protocol_get_version(server); + assert(expected == ret); + } else { + HANDSHAKE_EXPECT(client, server, GNUTLS_E_AGAIN, GNUTLS_E_UNSUPPORTED_VERSION_PACKET); + } + + 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); + + gnutls_global_deinit(); + + if (pch_ok == 0) + fail("Post client hello callback wasn't called\n"); + + reset_buffers(); +} + +void doit(void) +{ + override_prio = "NORMAL"; + start("tls1.2-only", "NORMAL:-VERS-ALL:+VERS-TLS1.2", "NORMAL:-VERS-ALL:+VERS-TLS1.2", GNUTLS_TLS1_2); + start("tls1.3-only", "NORMAL:-VERS-ALL:+VERS-TLS1.3", "NORMAL:-VERS-ALL:+VERS-TLS1.3", GNUTLS_TLS1_3); + start("default", "NORMAL", "NORMAL", GNUTLS_TLS1_3); + override_prio = "NORMAL:-VERS-ALL:+VERS-TLS1.2"; + start("default overridden to TLS1.2-only", "NORMAL", "NORMAL", GNUTLS_TLS1_2); + override_prio = NULL; + start("client tls1.2-only, server tls1.2-disabled", + "NORMAL:-VERS-ALL:+VERS-TLS1.2", "NORMAL:-VERS-TLS1.2:-VERS-TLS1.1:-VERS-TLS1.0:-VERS-SSL3.0", -1); + override_prio = "NORMAL:-VERS-ALL:+VERS-TLS1.2"; + start("client tls1.2-only, server tls1.2-disabled initially, but allow it afterwards", + "NORMAL:-VERS-ALL:+VERS-TLS1.2", "NORMAL:-VERS-TLS1.2:-VERS-TLS1.1:-VERS-TLS1.0:-VERS-SSL3.0", GNUTLS_TLS1_2); +} |