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/*
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* Copyright (C) 2017-2019 Red Hat, Inc.
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*
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* Author: Daiki Ueno
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*
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* This file is part of GnuTLS.
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*
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* GnuTLS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuTLS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#if defined(_WIN32)
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int main()
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{
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exit(77);
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}
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#else
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#include <string.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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#include <gnutls/gnutls.h>
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#include <gnutls/dtls.h>
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#include <signal.h>
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#include <assert.h>
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#include "cert-common.h"
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#include "tls13/ext-parse.h"
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#include "pkcs11/softhsm.h"
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#include "utils.h"
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/* This program tests whether the Post Handshake Auth extension is
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* present in the client hello, and whether it is missing from server
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* hello. In addition it contains basic functionality test for
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* post handshake authentication.
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*/
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static void server_log_func(int level, const char *str)
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{
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fprintf(stderr, "server|<%d>| %s", level, str);
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}
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static void client_log_func(int level, const char *str)
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{
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fprintf(stderr, "client|<%d>| %s", level, str);
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}
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#define MAX_BUF 1024
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#define P11LIB "libpkcs11mock2.so"
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#define PIN "1234"
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#define CONFIG_NAME "softhsm-post-handshake-with-cert-pkcs11"
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#define CONFIG CONFIG_NAME".config"
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static
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int pin_func(void *userdata, int attempt, const char *url, const char *label,
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unsigned flags, char *pin, size_t pin_max)
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{
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if (attempt == 0) {
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strcpy(pin, PIN);
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return 0;
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}
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return -1;
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}
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static void client(int fd, int err)
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{
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int ret;
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gnutls_certificate_credentials_t x509_cred;
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gnutls_session_t session;
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gnutls_x509_crt_t crt;
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gnutls_x509_privkey_t key;
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gnutls_datum_t tmp;
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const char *lib;
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char buffer[MAX_BUF + 1];
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global_init();
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if (debug) {
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gnutls_global_set_log_function(client_log_func);
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gnutls_global_set_log_level(7);
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}
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/* point to SoftHSM token that libpkcs11mock2.so internally uses */
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setenv(SOFTHSM_ENV, CONFIG, 1);
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gnutls_pkcs11_set_pin_function(pin_func, NULL);
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lib = getenv("P11MOCKLIB2");
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if (lib == NULL)
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lib = P11LIB;
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ret = gnutls_pkcs11_init(GNUTLS_PKCS11_FLAG_MANUAL, NULL);
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if (ret != 0) {
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fail("%d: %s\n", ret, gnutls_strerror(ret));
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exit(1);
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}
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ret = gnutls_pkcs11_add_provider(lib, NULL);
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if (ret != 0) {
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fail("%d: %s\n", ret, gnutls_strerror(ret));
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exit(1);
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}
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ret = gnutls_x509_crt_init(&crt;;
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if (ret < 0) {
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fprintf(stderr,
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"gnutls_x509_crt_init: %s\n", gnutls_strerror(ret));
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exit(1);
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}
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ret = gnutls_x509_crt_import(crt, &cli_ca3_cert, GNUTLS_X509_FMT_PEM);
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if (ret < 0) {
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fprintf(stderr,
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"gnutls_x509_crt_import: %s\n", gnutls_strerror(ret));
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exit(1);
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}
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if (debug) {
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gnutls_x509_crt_print(crt, GNUTLS_CRT_PRINT_ONELINE, &tmp);
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printf("\tCertificate: %.*s\n", tmp.size, tmp.data);
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gnutls_free(tmp.data);
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}
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ret = gnutls_x509_privkey_init(&key);
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if (ret < 0) {
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fprintf(stderr,
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"gnutls_x509_privkey_init: %s\n", gnutls_strerror(ret));
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exit(1);
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}
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ret = gnutls_x509_privkey_import(key, &cli_ca3_key, GNUTLS_X509_FMT_PEM);
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if (ret < 0) {
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fprintf(stderr,
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"gnutls_x509_privkey_import: %s\n",
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gnutls_strerror(ret));
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exit(1);
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}
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/* initialize softhsm token */
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ret = gnutls_pkcs11_token_init(SOFTHSM_URL, PIN, "test");
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if (ret < 0) {
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fail("gnutls_pkcs11_token_init: %s\n", gnutls_strerror(ret));
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exit(1);
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}
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ret =
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gnutls_pkcs11_token_set_pin(SOFTHSM_URL, NULL, PIN,
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GNUTLS_PIN_USER);
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if (ret < 0) {
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fail("gnutls_pkcs11_token_set_pin: %s\n", gnutls_strerror(ret));
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exit(1);
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}
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ret = gnutls_pkcs11_copy_x509_crt(SOFTHSM_URL, crt, "cert",
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GNUTLS_PKCS11_OBJ_FLAG_MARK_PRIVATE |
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GNUTLS_PKCS11_OBJ_FLAG_LOGIN);
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4684c1 |
if (ret < 0) {
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4684c1 |
fail("gnutls_pkcs11_copy_x509_crt: %s\n", gnutls_strerror(ret));
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exit(1);
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4684c1 |
}
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ret =
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gnutls_pkcs11_copy_x509_privkey(SOFTHSM_URL, key, "cert",
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GNUTLS_KEY_DIGITAL_SIGNATURE |
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GNUTLS_KEY_KEY_ENCIPHERMENT,
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GNUTLS_PKCS11_OBJ_FLAG_MARK_PRIVATE
|
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4684c1 |
GNUTLS_PKCS11_OBJ_FLAG_MARK_SENSITIVE
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| GNUTLS_PKCS11_OBJ_FLAG_LOGIN);
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4684c1 |
if (ret < 0) {
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4684c1 |
fail("gnutls_pkcs11_copy_x509_privkey: %s\n",
|
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gnutls_strerror(ret));
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4684c1 |
exit(1);
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4684c1 |
}
|
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4684c1 |
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4684c1 |
gnutls_x509_crt_deinit(crt);
|
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gnutls_x509_privkey_deinit(key);
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assert(gnutls_certificate_allocate_credentials(&x509_cred)>=0);
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|
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/* Initialize TLS session
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*/
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4684c1 |
assert(gnutls_init(&session, GNUTLS_CLIENT|GNUTLS_POST_HANDSHAKE_AUTH|GNUTLS_AUTO_REAUTH)>=0);
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4684c1 |
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gnutls_handshake_set_timeout(session, 20 * 1000);
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4684c1 |
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4684c1 |
ret = gnutls_priority_set_direct(session, "NORMAL:-VERS-ALL:+VERS-TLS1.3:-SIGN-RSA-SHA256", NULL);
|
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4684c1 |
if (ret < 0)
|
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4684c1 |
fail("cannot set TLS 1.3 priorities\n");
|
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4684c1 |
|
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4684c1 |
|
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4684c1 |
assert(gnutls_certificate_set_x509_key_file(x509_cred,
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4684c1 |
SOFTHSM_URL
|
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4684c1 |
";object=cert;object-type=cert",
|
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4684c1 |
SOFTHSM_URL
|
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4684c1 |
";object=cert;object-type=private;pin-value="
|
|
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4684c1 |
PIN,
|
|
Packit Service |
4684c1 |
GNUTLS_X509_FMT_DER)>=0);
|
|
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4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
|
|
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4684c1 |
|
|
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4684c1 |
gnutls_transport_set_int(session, fd);
|
|
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4684c1 |
|
|
Packit Service |
4684c1 |
/* Perform the TLS handshake
|
|
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4684c1 |
*/
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret = gnutls_handshake(session);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
|
|
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4684c1 |
|
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Packit Service |
4684c1 |
if (ret != 0)
|
|
Packit Service |
4684c1 |
fail("handshake failed: %s\n", gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("client handshake completed\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_record_set_timeout(session, 20 * 1000);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("waiting for auth\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret = gnutls_record_recv(session, buffer, sizeof(buffer));
|
|
Packit Service |
4684c1 |
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (err) {
|
|
Packit Service |
4684c1 |
if (ret != err)
|
|
Packit Service |
4684c1 |
fail("client: expected error %s, got: %s\n", gnutls_strerror(err),
|
|
Packit Service |
4684c1 |
gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
} else if (ret < 0)
|
|
Packit Service |
4684c1 |
fail("client: gnutls_record_recv did not succeed as expected: %s\n", gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret = gnutls_bye(session, GNUTLS_SHUT_WR);
|
|
Packit Service |
4684c1 |
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
close(fd);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_certificate_free_credentials(x509_cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_global_deinit();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static unsigned client_hello_ok = 0;
|
|
Packit Service |
4684c1 |
static unsigned server_hello_ok = 0;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#define TLS_EXT_POST_HANDSHAKE 49
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void parse_ext(void *priv, gnutls_datum_t *msg)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
if (msg->size != 0) {
|
|
Packit Service |
4684c1 |
fail("error in extension length: %d\n", (int)msg->size);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static int hellos_callback(gnutls_session_t session, unsigned int htype,
|
|
Packit Service |
4684c1 |
unsigned post, unsigned int incoming, const gnutls_datum_t *msg)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
if (htype == GNUTLS_HANDSHAKE_SERVER_HELLO && post == GNUTLS_HOOK_POST) {
|
|
Packit Service |
4684c1 |
if (find_server_extension(msg, TLS_EXT_POST_HANDSHAKE, NULL, NULL)) {
|
|
Packit Service |
4684c1 |
fail("Post handshake extension seen in server hello!\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
server_hello_ok = 1;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
return GNUTLS_E_INTERRUPTED;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (htype != GNUTLS_HANDSHAKE_CLIENT_HELLO || post != GNUTLS_HOOK_PRE)
|
|
Packit Service |
4684c1 |
return 0;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (find_client_extension(msg, TLS_EXT_POST_HANDSHAKE, NULL, parse_ext))
|
|
Packit Service |
4684c1 |
client_hello_ok = 1;
|
|
Packit Service |
4684c1 |
else
|
|
Packit Service |
4684c1 |
fail("Post handshake extension NOT seen in client hello!\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
return 0;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void server(int fd, int err, int type)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
int ret;
|
|
Packit Service |
4684c1 |
char buffer[MAX_BUF + 1];
|
|
Packit Service |
4684c1 |
gnutls_session_t session;
|
|
Packit Service |
4684c1 |
gnutls_certificate_credentials_t x509_cred;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* this must be called once in the program
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
global_init();
|
|
Packit Service |
4684c1 |
memset(buffer, 0, sizeof(buffer));
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug) {
|
|
Packit Service |
4684c1 |
gnutls_global_set_log_function(server_log_func);
|
|
Packit Service |
4684c1 |
gnutls_global_set_log_level(6);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_certificate_allocate_credentials(&x509_cred);
|
|
Packit Service |
4684c1 |
gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
|
|
Packit Service |
4684c1 |
&server_key,
|
|
Packit Service |
4684c1 |
GNUTLS_X509_FMT_PEM);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_init(&session, GNUTLS_SERVER|GNUTLS_POST_HANDSHAKE_AUTH);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_handshake_set_timeout(session, 20 * 1000);
|
|
Packit Service |
4684c1 |
gnutls_handshake_set_hook_function(session, GNUTLS_HANDSHAKE_ANY,
|
|
Packit Service |
4684c1 |
GNUTLS_HOOK_BOTH,
|
|
Packit Service |
4684c1 |
hellos_callback);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* avoid calling all the priority functions, since the defaults
|
|
Packit Service |
4684c1 |
* are adequate.
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
gnutls_priority_set_direct(session, "NORMAL:-VERS-ALL:+VERS-TLS1.3", NULL);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_transport_set_int(session, fd);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret = gnutls_handshake(session);
|
|
Packit Service |
4684c1 |
} while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (ret != 0)
|
|
Packit Service |
4684c1 |
fail("handshake failed: %s\n", gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (!(gnutls_session_get_flags(session) & GNUTLS_SFLAGS_POST_HANDSHAKE_AUTH)) {
|
|
Packit Service |
4684c1 |
fail("server: session flags did not contain GNUTLS_SFLAGS_POST_HANDSHAKE_AUTH\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (client_hello_ok == 0) {
|
|
Packit Service |
4684c1 |
fail("server: did not verify the client hello\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (server_hello_ok == 0) {
|
|
Packit Service |
4684c1 |
fail("server: did not verify the server hello contents\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("server handshake completed\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_certificate_server_set_request(session, type);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* ask peer for re-authentication */
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret = gnutls_reauth(session, 0);
|
|
Packit Service |
4684c1 |
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (err) {
|
|
Packit Service |
4684c1 |
if (ret != err)
|
|
Packit Service |
4684c1 |
fail("server: expected error %s, got: %s\n", gnutls_strerror(err),
|
|
Packit Service |
4684c1 |
gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
} else if (ret != 0)
|
|
Packit Service |
4684c1 |
fail("server: gnutls_reauth did not succeed as expected: %s\n", gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret = gnutls_bye(session, GNUTLS_SHUT_RDWR);
|
|
Packit Service |
4684c1 |
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
close(fd);
|
|
Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_certificate_free_credentials(x509_cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_global_deinit();
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("server: client/server hello were verified\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static
|
|
Packit Service |
4684c1 |
void start(const char *name, int err, int cli_err, int type)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
int fd[2];
|
|
Packit Service |
4684c1 |
int ret;
|
|
Packit Service |
4684c1 |
pid_t child;
|
|
Packit Service |
4684c1 |
int status = 0;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
success("testing %s\n", name);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
client_hello_ok = 0;
|
|
Packit Service |
4684c1 |
server_hello_ok = 0;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
signal(SIGCHLD, SIG_IGN);
|
|
Packit Service |
4684c1 |
signal(SIGPIPE, SIG_IGN);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
|
|
Packit Service |
4684c1 |
if (ret < 0) {
|
|
Packit Service |
4684c1 |
perror("socketpair");
|
|
Packit Service |
4684c1 |
exit(1);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
child = fork();
|
|
Packit Service |
4684c1 |
if (child < 0) {
|
|
Packit Service |
4684c1 |
perror("fork");
|
|
Packit Service |
4684c1 |
fail("fork");
|
|
Packit Service |
4684c1 |
exit(1);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (child) {
|
|
Packit Service |
4684c1 |
/* parent */
|
|
Packit Service |
4684c1 |
close(fd[1]);
|
|
Packit Service |
4684c1 |
server(fd[0], err, type);
|
|
Packit Service |
4684c1 |
kill(child, SIGTERM);
|
|
Packit Service |
4684c1 |
wait(&status);
|
|
Packit Service |
4684c1 |
check_wait_status(status);
|
|
Packit Service |
4684c1 |
} else {
|
|
Packit Service |
4684c1 |
close(fd[0]);
|
|
Packit Service |
4684c1 |
client(fd[1], cli_err);
|
|
Packit Service |
4684c1 |
exit(0);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
void doit(void)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
const char *bin;
|
|
Packit Service |
4684c1 |
char buf[128];
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* check if softhsm module is loadable */
|
|
Packit Service |
4684c1 |
(void) softhsm_lib();
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* initialize SoftHSM token that libpkcs11mock2.so internally uses */
|
|
Packit Service |
4684c1 |
bin = softhsm_bin();
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
set_softhsm_conf(CONFIG);
|
|
Packit Service |
4684c1 |
snprintf(buf, sizeof(buf),
|
|
Packit Service |
4684c1 |
"%s --init-token --slot 0 --label test --so-pin " PIN " --pin "
|
|
Packit Service |
4684c1 |
PIN, bin);
|
|
Packit Service |
4684c1 |
system(buf);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
start("reauth-require", GNUTLS_E_CERTIFICATE_REQUIRED, GNUTLS_E_SUCCESS, GNUTLS_CERT_REQUIRE);
|
|
Packit Service |
4684c1 |
start("reauth-request", 0, GNUTLS_E_SUCCESS, GNUTLS_CERT_REQUEST);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
#endif /* _WIN32 */
|