void doit(void)
{
int ret, status;
const char *lib;
gnutls_privkey_t pkey;
pid_t pid;
signal(SIGPIPE, SIG_IGN);
gnutls_pkcs11_set_pin_function(pin_func, NULL);
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
lib = getenv("P11MOCKLIB1");
if (lib == NULL)
lib = P11LIB;
ret = gnutls_pkcs11_init(GNUTLS_PKCS11_FLAG_MANUAL, NULL);
if (ret != 0) {
fail("%d: %s\n", ret, gnutls_strerror(ret));
exit(1);
}
ret = gnutls_pkcs11_add_provider(lib, NULL);
if (ret != 0) {
fail("%d: %s\n", ret, gnutls_strerror(ret));
exit(1);
}
assert(gnutls_privkey_init(&pkey) == 0);
ret = gnutls_privkey_import_url(pkey, "pkcs11:object=test", GNUTLS_PKCS11_OBJ_FLAG_LOGIN);
if (ret < 0) {
fprintf(stderr, "error in %d: %s\n", __LINE__, gnutls_strerror(ret));
exit(1);
}
/* fork to force PKCS#11 reinitialization */
pid = fork();
if (pid == -1) {
exit(1);
} else if (pid) {
waitpid(pid, &status, 0);
check_wait_status(status);
goto cleanup;
}
do_thread_stuff(pkey);
cleanup:
gnutls_privkey_deinit(pkey);
}
static void server(int fd, unsigned do_thread)
{
int ret;
gnutls_certificate_credentials_t x509_cred;
gnutls_session_t session;
/* this must be called once in the program
*/
global_init();
#if 0
if (debug) {
side = "server";
gnutls_global_set_log_function(tls_log_func);
gnutls_global_set_log_level(4711);
}
#endif
gnutls_certificate_allocate_credentials(&x509_cred);
gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
&server_key,
GNUTLS_X509_FMT_PEM);
gnutls_init(&session, GNUTLS_SERVER | GNUTLS_DATAGRAM);
gnutls_dtls_set_timeouts(session, 5 * 1000, 60 * 1000);
gnutls_dtls_set_mtu(session, 400);
/* avoid calling all the priority functions, since the defaults
* are adequate.
*/
gnutls_priority_set_direct(session,
"NONE:+VERS-DTLS1.2:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ECDHE-ECDSA:+CURVE-ALL",
NULL);
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_transport_set_int(session, fd);
do {
ret = gnutls_handshake(session);
} while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
if (ret < 0) {
close(fd);
gnutls_deinit(session);
fail("server: Handshake has failed (%s)\n\n",
gnutls_strerror(ret));
terminate();
}
if (debug)
success("server: Handshake was completed\n");
if (debug)
success("server: TLS version is: %s\n",
gnutls_protocol_get_name
(gnutls_protocol_get_version(session)));
if (do_thread)
do_thread_stuff(session);
else
do_reflect_stuff(session);
close(fd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(x509_cred);
gnutls_global_deinit();
if (debug)
success("server: finished\n");
}
static void client(int fd, unsigned do_thread)
{
int ret;
gnutls_certificate_credentials_t x509_cred;
gnutls_session_t session;
/* Need to enable anonymous KX specifically. */
global_init();
if (debug) {
side = "client";
gnutls_global_set_log_function(tls_log_func);
gnutls_global_set_log_level(4711);
}
gnutls_certificate_allocate_credentials(&x509_cred);
/* Initialize TLS session
*/
gnutls_init(&session, GNUTLS_CLIENT | GNUTLS_DATAGRAM);
gnutls_dtls_set_mtu(session, 1500);
gnutls_dtls_set_timeouts(session, 6 * 1000, 60 * 1000);
//gnutls_transport_set_push_function(session, push);
/* Use default priorities */
gnutls_priority_set_direct(session,
"NONE:+VERS-DTLS-ALL:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ECDHE-ECDSA:+CURVE-ALL",
NULL);
/* put the anonymous credentials to the current session
*/
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_transport_set_int(session, fd);
/* Perform the TLS handshake
*/
do {
ret = gnutls_handshake(session);
}
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
if (ret < 0) {
fail("client: Handshake failed\n");
gnutls_perror(ret);
exit(1);
} else {
if (debug)
success("client: Handshake was completed\n");
}
if (do_thread)
do_thread_stuff(session);
else
do_reflect_stuff(session);
close(fd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(x509_cred);
gnutls_global_deinit();
exit(0);
}