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-rw-r--r--tests/Makefile.am3
-rw-r--r--tests/psk-importer.c216
2 files changed, 218 insertions, 1 deletions
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 48c694409f..86acb4c277 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -234,7 +234,8 @@ ctests += mini-record-2 simple gnutls_hmac_fast set_pkcs12_cred cert certuniquei
set_x509_ocsp_multi_cli kdf-api keylog-func handshake-write \
x509cert-dntypes id-on-xmppAddr tls13-compat-mode ciphersuite-name \
x509-upnconstraint xts-key-check cipher-padding pkcs7-verify-double-free \
- fips-rsa-sizes tls12-rehandshake-ticket pathbuf tls-force-ems
+ fips-rsa-sizes tls12-rehandshake-ticket pathbuf tls-force-ems \
+ psk-importer
ctests += tls-channel-binding
diff --git a/tests/psk-importer.c b/tests/psk-importer.c
new file mode 100644
index 0000000000..84c35338aa
--- /dev/null
+++ b/tests/psk-importer.c
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2004-2012 Free Software Foundation, Inc.
+ * Copyright (C) 2013 Adam Sampson <ats@offog.org>
+ * Copyright (C) 2019 Free Software Foundation, Inc.
+ * Copyright (C) 2023 Red Hat, Inc.
+ *
+ * Author: Simon Josefsson, Ander Juaristi, 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 General Public License
+ * along with GnuTLS. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* This tests the external PSK importer interface (RFC 9258). */
+/* Parts copied from pskself.c. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <string.h>
+#include <gnutls/gnutls.h>
+
+#include "utils.h"
+#include "eagain-common.h"
+
+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"
+
+static const gnutls_datum_t identity = { (unsigned char *)"\xCA\xFE\xCA\xFE",
+ 4 };
+static const gnutls_datum_t context = { (unsigned char *)"\xDE\xAD\xBE\xEF",
+ 4 };
+
+static const uint8_t expected_imported_identity[] = { 0x00, 0x04, 0xca, 0xfe,
+ 0xca, 0xfe, 0x00, 0x04,
+ 0xde, 0xad, 0xbe, 0xef,
+ 0x03, 0x04, 0x00, 0x01 };
+
+static int server_pskfunc(gnutls_session_t session,
+ const gnutls_datum_t *username, gnutls_datum_t *key,
+ gnutls_psk_key_flags *flags)
+{
+ gnutls_datum_t imported_identity = { NULL, 0 };
+
+ int ret;
+
+ if (debug)
+ printf("psk: Got username with length %d\n", username->size);
+
+ key->data = gnutls_malloc(4);
+ key->data[0] = 0xDE;
+ key->data[1] = 0xAD;
+ key->data[2] = 0xBE;
+ key->data[3] = 0xEF;
+ key->size = 4;
+
+ ret = gnutls_psk_format_imported_identity(&identity, &context,
+ GNUTLS_TLS1_3,
+ GNUTLS_DIG_SHA256,
+ &imported_identity);
+ if (ret < 0) {
+ return -1;
+ }
+
+ if (imported_identity.size != sizeof(expected_imported_identity) ||
+ memcmp(imported_identity.data, expected_imported_identity,
+ imported_identity.size)) {
+ gnutls_free(imported_identity.data);
+ printf("Unexpected imported identity\n");
+ return -1;
+ }
+ gnutls_free(imported_identity.data);
+
+ if (flags) {
+ *flags = GNUTLS_PSK_KEY_EXT;
+ }
+
+ return 0;
+}
+
+static int client_pskfunc(gnutls_session_t session, gnutls_datum_t *username,
+ gnutls_datum_t *key, gnutls_psk_key_flags *flags)
+{
+ int ret;
+
+ ret = gnutls_psk_format_imported_identity(&identity, &context,
+ GNUTLS_TLS1_3,
+ GNUTLS_DIG_SHA256, username);
+ if (ret < 0) {
+ return -1;
+ }
+
+ key->data = gnutls_malloc(4);
+ key->data[0] = 0xDE;
+ key->data[1] = 0xAD;
+ key->data[2] = 0xBE;
+ key->data[3] = 0xEF;
+ key->size = 4;
+
+ *flags = GNUTLS_PSK_KEY_EXT;
+
+ return 0;
+}
+
+static void run_test(const char *prio)
+{
+ /* Server stuff. */
+ gnutls_psk_server_credentials_t server_pskcred;
+ gnutls_session_t server;
+ int sret;
+
+ /* Client stuff. */
+ gnutls_psk_client_credentials_t client_pskcred;
+ gnutls_session_t client;
+ int cret;
+
+ char buffer[MAX_BUF + 1];
+ int transferred = 0;
+
+ gnutls_datum_t psk_username;
+
+ success("%s\n", prio);
+
+ gnutls_global_set_log_function(tls_log_func);
+ if (debug)
+ gnutls_global_set_log_level(4711);
+
+ /* Init server */
+ gnutls_psk_allocate_server_credentials(&server_pskcred);
+ gnutls_psk_set_server_credentials_function3(server_pskcred,
+ server_pskfunc);
+ gnutls_init(&server, GNUTLS_SERVER);
+ gnutls_priority_set_direct(server, prio, NULL);
+ gnutls_credentials_set(server, GNUTLS_CRD_PSK, server_pskcred);
+ 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_psk_allocate_client_credentials(&client_pskcred);
+ gnutls_psk_set_client_credentials_function3(client_pskcred,
+ client_pskfunc);
+ gnutls_init(&client, GNUTLS_CLIENT);
+ gnutls_priority_set_direct(client, prio, NULL);
+ gnutls_credentials_set(client, GNUTLS_CRD_PSK, client_pskcred);
+ 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("server: Handshake was completed\n");
+
+ if (gnutls_psk_server_get_username(server))
+ fail("server: gnutls_psk_server_get_username() should have returned NULL\n");
+ if (gnutls_psk_server_get_username2(server, &psk_username) < 0)
+ fail("server: Could not get PSK username\n");
+
+ if (psk_username.size != sizeof(expected_imported_identity) ||
+ memcmp(psk_username.data, expected_imported_identity,
+ sizeof(expected_imported_identity)))
+ fail("server: Unexpected PSK username\n");
+
+ success("server: PSK username length: %d\n", psk_username.size);
+ }
+
+ TRANSFER(client, server, MSG, strlen(MSG), buffer, MAX_BUF);
+ TRANSFER(server, client, MSG, strlen(MSG), buffer, MAX_BUF);
+
+ gnutls_bye(server, GNUTLS_SHUT_WR);
+ gnutls_bye(client, GNUTLS_SHUT_WR);
+
+ gnutls_deinit(server);
+ gnutls_deinit(client);
+
+ gnutls_psk_free_server_credentials(server_pskcred);
+ gnutls_psk_free_client_credentials(client_pskcred);
+
+ reset_buffers();
+}
+
+void doit(void)
+{
+ global_init();
+ run_test("NORMAL:-VERS-ALL:+VERS-TLS1.3:+PSK");
+ run_test(
+ "NORMAL:-VERS-ALL:+VERS-TLS1.3:-GROUP-ALL:+GROUP-FFDHE2048:+DHE-PSK");
+ run_test(
+ "NORMAL:-VERS-ALL:+VERS-TLS1.3:-GROUP-ALL:+GROUP-SECP256R1:+ECDHE-PSK");
+
+ gnutls_global_deinit();
+}