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Diffstat (limited to '')
| -rw-r--r-- | tests/tls13/psk-ke-modes.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/tests/tls13/psk-ke-modes.c b/tests/tls13/psk-ke-modes.c new file mode 100644 index 0000000..2878569 --- /dev/null +++ b/tests/tls13/psk-ke-modes.c @@ -0,0 +1,170 @@ +/* + * Copyright (C) 2017-2022 Red Hat, Inc. + * + * Author: Nikos Mavrogiannopoulos, 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 <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <gnutls/gnutls.h> + +#include "cert-common.h" +#include "utils.h" +#include "tls13/ext-parse.h" +#include "eagain-common.h" + +/* This program tests the scenario described at: + * https://gitlab.com/gnutls/gnutls/-/issues/1303 + * + * - the server only supports one mode + * - the client follows server's preference with %SERVER_PRECEDENCE + * - the client provides two modes, but the first one is not the one the server + * supports + * + * Previously the server was not able to enable PSK (and thus session + * resumption) at all in this case and didn't send NewSessionTicket. + */ + +const char *testname = ""; + +#define myfail(fmt, ...) \ + fail("%s: "fmt, testname, ##__VA_ARGS__) + +const char *side = ""; + +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "%s|<%d>| %s", side, level, str); +} + +static int +new_session_ticket_callback(gnutls_session_t session, unsigned int htype, + unsigned post, unsigned int incoming, + const gnutls_datum_t *msg) +{ + bool *new_session_ticket_sent = + gnutls_session_get_ptr(session); + *new_session_ticket_sent = true; + return 0; +} + +#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 void start(const char *name, const char *prio, const char *sprio) +{ + int sret, cret; + gnutls_certificate_credentials_t scred, ccred; + gnutls_session_t server, client; + gnutls_datum_t skey; + char buffer[MAX_BUF + 1]; + int transferred = 0; + bool new_session_ticket_sent = false; + + testname = name; + success("== test %s ==\n", testname); + + 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_cert, + &server_key, + GNUTLS_X509_FMT_PEM) >= 0); + + gnutls_init(&server, GNUTLS_SERVER); + + gnutls_handshake_set_hook_function(server, + GNUTLS_HANDSHAKE_NEW_SESSION_TICKET, + GNUTLS_HOOK_POST, + new_session_ticket_callback); + gnutls_session_set_ptr(server, &new_session_ticket_sent); + + gnutls_priority_set_direct(server, sprio, NULL); + + assert(gnutls_session_ticket_key_generate(&skey)>=0); + assert(gnutls_session_ticket_enable_server(server, &skey) >= 0); + + gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, scred); + 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(&ccred); + assert(gnutls_certificate_set_x509_trust_mem + (ccred, &ca3_cert, GNUTLS_X509_FMT_PEM) >= 0); + + gnutls_init(&client, GNUTLS_CLIENT); + + cret = gnutls_priority_set_direct(client, prio, NULL); + if (cret < 0) + myfail("cannot set TLS 1.3 priorities\n"); + + /* put the anonymous credentials to the current session + */ + gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, ccred); + + 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 (debug) + success("Handshake established\n"); + + TRANSFER(client, server, MSG, strlen(MSG), buffer, MAX_BUF); + TRANSFER(server, client, MSG, strlen(MSG), buffer, MAX_BUF); + EMPTY_BUF(server, client, buffer, MAX_BUF); + + if (!new_session_ticket_sent) { + fail("NewSessionTicket is not sent\n"); + } + + 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_free(skey.data); + + gnutls_global_deinit(); + reset_buffers(); +} + +void doit(void) +{ + start("server only supports PSK, client advertises ECDHE-PSK first", + "NORMAL:-VERS-ALL:+VERS-TLS1.3:+ECDHE-PSK:+PSK:%SERVER_PRECEDENCE", + "NORMAL:-VERS-ALL:+VERS-TLS1.3:+PSK"); +} |