--- /dev/null
+/*
+ * Copyright (C) 2015-2021 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 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 <assert.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <gnutls/gnutls.h>
+#include "utils.h"
+
+#define SKIP16(pos, total) { \
+ uint16_t _s; \
+ if (pos+2 > total) fail("error\n"); \
+ _s = (msg->data[pos] << 8) | msg->data[pos+1]; \
+ if ((size_t)(pos+2+_s) > total) fail("error\n"); \
+ pos += 2+_s; \
+ }
+
+#define SKIP8(pos, total) { \
+ uint8_t _s; \
+ if (pos+1 > total) fail("error\n"); \
+ _s = msg->data[pos]; \
+ if ((size_t)(pos+1+_s) > total) fail("error\n"); \
+ pos += 1+_s; \
+ }
+
+#define HANDSHAKE_SESSION_ID_POS 34
+
+#include "eagain-common.h"
+#include "cert-common.h"
+
+/* This tests whether the client omits signature algorithms marked as insecure,
+ * from the signature_algorithms extension.
+ */
+
+const char *side;
+
+static void tls_log_func(int level, const char *str)
+{
+ fprintf(stderr, "%s|<%d>| %s", side, level, str);
+}
+
+#define PRIO "NORMAL:-VERS-ALL:+VERS-TLS1.3:-SIGN-ALL:" \
+ "+SIGN-RSA-PSS-RSAE-SHA256:+SIGN-RSA-PSS-RSAE-SHA384"
+/* rsa_pss_rsae_sha384 */
+#define SIGALGS_EXP "\x00\x02\x08\x05"
+
+static int
+ext_callback(void *ctx, unsigned tls_id,
+ const unsigned char *data, unsigned size)
+{
+ if (tls_id == 13) { /* signature algorithms */
+ if (size != sizeof(SIGALGS_EXP) - 1) {
+ fail("invalid signature_algorithms length: %u != 4\n",
+ size);
+ }
+ if (memcmp(data, SIGALGS_EXP, sizeof(SIGALGS_EXP) - 1) != 0) {
+ fail("invalid signature_algorithms\n");
+ }
+ }
+ return 0;
+}
+
+static int
+handshake_callback(gnutls_session_t session, unsigned int htype,
+ unsigned post, unsigned int incoming,
+ const gnutls_datum_t *msg)
+{
+ assert(post);
+
+ if (!incoming && htype == GNUTLS_HANDSHAKE_CLIENT_HELLO) {
+ int ret;
+ unsigned pos;
+ gnutls_datum_t mmsg;
+
+ assert(msg->size >= HANDSHAKE_SESSION_ID_POS);
+ pos = HANDSHAKE_SESSION_ID_POS;
+ SKIP8(pos, msg->size);
+ SKIP16(pos, msg->size);
+ SKIP8(pos, msg->size);
+
+ mmsg.data = &msg->data[pos];
+ mmsg.size = msg->size - pos;
+ ret = gnutls_ext_raw_parse(NULL, ext_callback, &mmsg, 0);
+ assert(ret >= 0);
+ }
+ return 0;
+}
+
+void doit(void)
+{
+ int ret;
+ /* 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;
+
+ global_init();
+
+ /* General init. */
+ gnutls_global_set_log_function(tls_log_func);
+ if (debug)
+ gnutls_global_set_log_level(6);
+
+ /* Init server */
+ gnutls_certificate_allocate_credentials(&serverx509cred);
+ gnutls_certificate_set_x509_key_mem(serverx509cred,
+ &server2_cert, &server2_key,
+ GNUTLS_X509_FMT_PEM);
+
+ gnutls_init(&server, GNUTLS_SERVER);
+ gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE,
+ serverx509cred);
+
+ gnutls_priority_set_direct(server, PRIO, NULL);
+
+ gnutls_transport_set_push_function(server, server_push);
+ gnutls_transport_set_pull_function(server, server_pull);
+ gnutls_transport_set_pull_timeout_function(server,
+ server_pull_timeout_func);
+ gnutls_transport_set_ptr(server, server);
+
+ /* Init client */
+ ret = gnutls_certificate_allocate_credentials(&clientx509cred);
+ if (ret < 0)
+ exit(1);
+
+ ret = gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca2_cert, GNUTLS_X509_FMT_PEM);
+ if (ret < 0)
+ exit(1);
+
+ ret = gnutls_init(&client, GNUTLS_CLIENT);
+ if (ret < 0)
+ exit(1);
+
+ ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
+ clientx509cred);
+ if (ret < 0)
+ exit(1);
+
+ ret = gnutls_priority_set_direct(client, PRIO, NULL);
+ if (ret < 0)
+ exit(1);
+
+ gnutls_transport_set_push_function(client, client_push);
+ gnutls_transport_set_pull_function(client, client_pull);
+ gnutls_transport_set_pull_timeout_function(client,
+ client_pull_timeout_func);
+ gnutls_transport_set_ptr(client, client);
+
+ gnutls_handshake_set_hook_function(client,
+ GNUTLS_HANDSHAKE_ANY,
+ GNUTLS_HOOK_POST,
+ handshake_callback);
+
+ HANDSHAKE(client, server);
+
+ 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();
+
+ reset_buffers();
+}
--- /dev/null
+#!/bin/sh
+
+# Copyright (C) 2019 Nikos Mavrogiannopoulos
+# Copyright (C) 2021 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 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.
+
+: ${builddir=.}
+TMPFILE=c.$$.tmp
+export GNUTLS_SYSTEM_PRIORITY_FAIL_ON_INVALID=1
+
+cat <<_EOF_ > ${TMPFILE}
+[overrides]
+
+insecure-sig = rsa-pss-rsae-sha256
+_EOF_
+
+export GNUTLS_SYSTEM_PRIORITY_FILE="${TMPFILE}"
+
+"${builddir}/system-override-sig-tls"
+rc=$?
+rm ${TMPFILE}
+exit $rc
projects / thirdparty / gnutls.git / commitdiff
