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Diffstat (limited to 'tests/handshake-write.c')
| -rw-r--r-- | tests/handshake-write.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/tests/handshake-write.c b/tests/handshake-write.c new file mode 100644 index 0000000..33463e7 --- /dev/null +++ b/tests/handshake-write.c @@ -0,0 +1,164 @@ +/* + * Copyright (C) 2020 Red Hat, Inc. + * + * Author: Daiki Ueno + * + * 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 <gnutls/gnutls.h> +#include <assert.h> +#include "cert-common.h" + +#include "utils.h" +#define RANDOMIZE +#include "eagain-common.h" + +/* This tests gnutls_record_set_write_function() and + * gnutls_record_push_data() by short-circuiting the handshake. + */ + +const char *side = ""; + +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "%s|<%d>| %s", side, level, str); +} + +#define MAX_BUF 1024 +#define MSG "Hello TLS, and hi and how are you and more data here... and more... and even more and even more more data..." + +static ssize_t +error_push(gnutls_transport_ptr_t tr, const void *data, size_t len) +{ + fail("push_func called unexpectedly"); + return -1; +} + +static ssize_t +error_pull(gnutls_transport_ptr_t tr, void *data, size_t len) +{ + fail("pull_func called unexpectedly"); + return -1; +} + +static int +handshake_read_func(gnutls_session_t session, + gnutls_record_encryption_level_t level, + gnutls_handshake_description_t htype, + const void *data, size_t data_size) +{ + gnutls_session_t peer = gnutls_session_get_ptr(session); + + if (htype == GNUTLS_HANDSHAKE_CHANGE_CIPHER_SPEC) + return 0; + + return gnutls_handshake_write(peer, level, data, data_size); +} + +static void run(const char *name, const char *prio) +{ + /* Server stuff. */ + gnutls_certificate_credentials_t scred; + gnutls_session_t server; + /* Client stuff. */ + gnutls_certificate_credentials_t ccred; + gnutls_session_t client; + int sret, cret; + char buffer[MAX_BUF + 1]; + int transferred = 0; + + success("%s\n", name); + + /* General init. */ + global_init(); + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(9); + + /* Init server */ + assert(gnutls_certificate_allocate_credentials(&scred) >= 0); + assert(gnutls_certificate_set_x509_key_mem(scred, + &server_ca3_localhost_cert, + &server_ca3_key, + GNUTLS_X509_FMT_PEM) >= 0); + + assert(gnutls_init(&server, GNUTLS_SERVER) >= 0); + assert(gnutls_priority_set_direct(server, prio, NULL) >= 0); + + gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, scred); + gnutls_transport_set_push_function(server, error_push); + gnutls_transport_set_pull_function(server, error_pull); + + /* Init client */ + assert(gnutls_certificate_allocate_credentials(&ccred) >= 0); + assert(gnutls_certificate_set_x509_trust_mem + (ccred, &ca3_cert, GNUTLS_X509_FMT_PEM) >= 0); + + gnutls_init(&client, GNUTLS_CLIENT); + assert(gnutls_priority_set_direct(client, prio, NULL) >= 0); + + assert(gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, ccred) >= 0); + + gnutls_transport_set_push_function(client, error_push); + gnutls_transport_set_pull_function(client, error_pull); + + gnutls_session_set_ptr(server, client); + gnutls_session_set_ptr(client, server); + + gnutls_handshake_set_read_function(server, handshake_read_func); + gnutls_handshake_set_read_function(client, handshake_read_func); + + HANDSHAKE(client, server); + if (debug) + success("Handshake established\n"); + + gnutls_transport_set_push_function(server, server_push); + gnutls_transport_set_pull_function(server, server_pull); + gnutls_transport_set_ptr(server, server); + + gnutls_transport_set_push_function(client, client_push); + gnutls_transport_set_pull_function(client, client_pull); + gnutls_transport_set_ptr(client, client); + + TRANSFER(client, server, MSG, strlen(MSG), buffer, MAX_BUF); + TRANSFER(server, client, MSG, strlen(MSG), buffer, MAX_BUF); + + gnutls_bye(client, GNUTLS_SHUT_WR); + gnutls_bye(server, GNUTLS_SHUT_WR); + + gnutls_deinit(client); + gnutls_deinit(server); + + gnutls_certificate_free_credentials(scred); + gnutls_certificate_free_credentials(ccred); + + gnutls_global_deinit(); + reset_buffers(); +} + +void doit(void) +{ + run("TLS 1.3", "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3"); +} |