/*
* Copyright (C) 2008-2012 Free Software Foundation, Inc.
*
* Author: Simon Josefsson
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <gnutls/gnutls.h>
#include "utils.h"
#include "eagain-common.h"
/* Tests whether the verify callbacks are operational.
* In addition gnutls_handshake_get_last_in() and gnutls_handshake_get_last_out()
* are tested.
*/
const char *side;
static int client_ok = 0, server_ok = 0;
static int pch_ok = 0;
static int client_callback(gnutls_session_t session)
{
client_ok = 1;
return 0;
}
static void verify_alpn(gnutls_session_t session)
{
int ret;
gnutls_datum_t selected;
char str[64];
snprintf(str, sizeof(str), "myproto");
ret = gnutls_alpn_get_selected_protocol(session, &selected);
if (ret < 0) {
fail("gnutls_alpn_get_selected_protocol: %s\n", gnutls_strerror(ret));
exit(1);
}
if (strlen(str) != selected.size || memcmp(str, selected.data, selected.size) != 0) {
fail("expected protocol %s, got %.*s\n", str, selected.size, selected.data);
exit(1);
}
if (debug)
success("ALPN got: %s\n", str);
}
static int post_client_hello_callback(gnutls_session_t session)
{
/* verify that the post-client-hello callback has access to ALPN data */
verify_alpn(session);
pch_ok = 1;
return 0;
}
unsigned int msg_order[] = {
GNUTLS_HANDSHAKE_CLIENT_HELLO,
GNUTLS_HANDSHAKE_SERVER_HELLO,
GNUTLS_HANDSHAKE_CERTIFICATE_PKT,
GNUTLS_HANDSHAKE_SERVER_KEY_EXCHANGE,
GNUTLS_HANDSHAKE_CERTIFICATE_REQUEST,
GNUTLS_HANDSHAKE_SERVER_HELLO_DONE,
GNUTLS_HANDSHAKE_CERTIFICATE_PKT,
GNUTLS_HANDSHAKE_CLIENT_KEY_EXCHANGE,
GNUTLS_HANDSHAKE_FINISHED,
GNUTLS_HANDSHAKE_FINISHED,
};
static int handshake_callback(gnutls_session_t session, unsigned int htype,
unsigned post, unsigned int incoming, const gnutls_datum_t *rawmsg)
{
static unsigned idx = 0;
unsigned int msg;
if (msg_order[idx] != htype) {
fail("%s: %s, expected %s\n",
incoming != 0 ? "Received" : "Sent",
gnutls_handshake_description_get_name(htype),
gnutls_handshake_description_get_name(msg_order
[idx]));
exit(1);
}
idx++;
if (incoming != 0) {
msg = gnutls_handshake_get_last_in(session);
if (msg != htype) {
fail("last input message was not recorded (exp: %d, found: %d) \n", msg, htype);
exit(1);
}
} else {
msg = gnutls_handshake_get_last_out(session);
if (msg != htype) {
fail("last output message was not recorded (exp: %d, found: %d) \n", msg, htype);
exit(1);
}
}
return 0;
}
static int server_callback(gnutls_session_t session)
{
server_ok = 1;
if (gnutls_protocol_get_version(session) == GNUTLS_TLS1_2) {
if (gnutls_handshake_get_last_in(session) !=
GNUTLS_HANDSHAKE_CERTIFICATE_PKT) {
fail("client's last input message was unexpected\n");
exit(1);
}
if (gnutls_handshake_get_last_out(session) !=
GNUTLS_HANDSHAKE_SERVER_HELLO_DONE) {
fail("client's last output message was unexpected\n");
exit(1);
}
}
return 0;
}
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
static unsigned char server_cert_pem[] =
"-----BEGIN CERTIFICATE-----\n"
"MIICVjCCAcGgAwIBAgIERiYdMTALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
"VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTIxWhcNMDgwNDE3MTMyOTIxWjA3MRsw\n"
"GQYDVQQKExJHbnVUTFMgdGVzdCBzZXJ2ZXIxGDAWBgNVBAMTD3Rlc3QuZ251dGxz\n"
"Lm9yZzCBnDALBgkqhkiG9w0BAQEDgYwAMIGIAoGA17pcr6MM8C6pJ1aqU46o63+B\n"
"dUxrmL5K6rce+EvDasTaDQC46kwTHzYWk95y78akXrJutsoKiFV1kJbtple8DDt2\n"
"DZcevensf9Op7PuFZKBroEjOd35znDET/z3IrqVgbtm2jFqab7a+n2q9p/CgMyf1\n"
"tx2S5Zacc1LWn9bIjrECAwEAAaOBkzCBkDAMBgNVHRMBAf8EAjAAMBoGA1UdEQQT\n"
"MBGCD3Rlc3QuZ251dGxzLm9yZzATBgNVHSUEDDAKBggrBgEFBQcDATAPBgNVHQ8B\n"
"Af8EBQMDB6AAMB0GA1UdDgQWBBTrx0Vu5fglyoyNgw106YbU3VW0dTAfBgNVHSME\n"
"GDAWgBTpPBz7rZJu5gakViyi4cBTJ8jylTALBgkqhkiG9w0BAQUDgYEAaFEPTt+7\n"
"bzvBuOf7+QmeQcn29kT6Bsyh1RHJXf8KTk5QRfwp6ogbp94JQWcNQ/S7YDFHglD1\n"
"AwUNBRXwd3riUsMnsxgeSDxYBfJYbDLeohNBsqaPDJb7XailWbMQKfAbFQ8cnOxg\n"
"rOKLUQRWJ0K3HyXRMhbqjdLIaQiCvQLuizo=\n" "-----END CERTIFICATE-----\n";
const gnutls_datum_t server_cert = { server_cert_pem,
sizeof(server_cert_pem)
};
static unsigned char server_key_pem[] =
"-----BEGIN RSA PRIVATE KEY-----\n"
"MIICXAIBAAKBgQDXulyvowzwLqknVqpTjqjrf4F1TGuYvkrqtx74S8NqxNoNALjq\n"
"TBMfNhaT3nLvxqResm62ygqIVXWQlu2mV7wMO3YNlx696ex/06ns+4VkoGugSM53\n"
"fnOcMRP/PciupWBu2baMWppvtr6far2n8KAzJ/W3HZLllpxzUtaf1siOsQIDAQAB\n"
"AoGAYAFyKkAYC/PYF8e7+X+tsVCHXppp8AoP8TEZuUqOZz/AArVlle/ROrypg5kl\n"
"8YunrvUdzH9R/KZ7saNZlAPLjZyFG9beL/am6Ai7q7Ma5HMqjGU8kTEGwD7K+lbG\n"
"iomokKMOl+kkbY/2sI5Czmbm+/PqLXOjtVc5RAsdbgvtmvkCQQDdV5QuU8jap8Hs\n"
"Eodv/tLJ2z4+SKCV2k/7FXSKWe0vlrq0cl2qZfoTUYRnKRBcWxc9o92DxK44wgPi\n"
"oMQS+O7fAkEA+YG+K9e60sj1K4NYbMPAbYILbZxORDecvP8lcphvwkOVUqbmxOGh\n"
"XRmTZUuhBrJhJKKf6u7gf3KWlPl6ShKEbwJASC118cF6nurTjuLf7YKARDjNTEws\n"
"qZEeQbdWYINAmCMj0RH2P0mvybrsXSOD5UoDAyO7aWuqkHGcCLv6FGG+qwJAOVqq\n"
"tXdUucl6GjOKKw5geIvRRrQMhb/m5scb+5iw8A4LEEHPgGiBaF5NtJZLALgWfo5n\n"
"hmC8+G8F0F78znQtPwJBANexu+Tg5KfOnzSILJMo3oXiXhf5PqXIDmbN0BKyCKAQ\n"
"LfkcEcUbVfmDaHpvzwY9VEaoMOKVLitETXdNSxVpvWM=\n"
"-----END RSA PRIVATE KEY-----\n";
const gnutls_datum_t server_key = { server_key_pem,
sizeof(server_key_pem)
};
static void append_alpn(gnutls_session_t session)
{
gnutls_datum_t protocol;
int ret;
char str[64];
snprintf(str, sizeof(str), "myproto");
protocol.data = (void*)str;
protocol.size = strlen(str);
ret = gnutls_alpn_set_protocols(session, &protocol, 1, 0);
if (ret < 0) {
gnutls_perror(ret);
exit(1);
}
}
static
void start(const char *prio, unsigned check_order)
{
/* 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;
success("trying %s\n", prio);
client_ok = 0;
server_ok = 0;
pch_ok = 0;
/* General init. */
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(2);
/* Init server */
gnutls_certificate_allocate_credentials(&serverx509cred);
gnutls_certificate_set_x509_key_mem(serverx509cred,
&server_cert, &server_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_ptr(server, server);
gnutls_certificate_set_verify_function(serverx509cred,
server_callback);
gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUEST);
gnutls_handshake_set_post_client_hello_function(server,
post_client_hello_callback);
if (check_order)
gnutls_handshake_set_hook_function(server, GNUTLS_HANDSHAKE_ANY,
GNUTLS_HOOK_POST,
handshake_callback);
append_alpn(server);
/* Init client */
gnutls_certificate_allocate_credentials(&clientx509cred);
gnutls_init(&client, GNUTLS_CLIENT);
gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
clientx509cred);
gnutls_priority_set_direct(client, prio, NULL);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
gnutls_certificate_set_verify_function(clientx509cred,
client_callback);
append_alpn(client);
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();
if (pch_ok == 0)
fail("Post client hello callback wasn't called\n");
if (server_ok == 0)
fail("Server certificate verify callback wasn't called\n");
if (client_ok == 0)
fail("Client certificate verify callback wasn't called\n");
reset_buffers();
}
void doit(void)
{
start("NORMAL:-VERS-ALL:+VERS-TLS1.2", 1);
start("NORMAL:-VERS-ALL:+VERS-TLS1.3", 0);
start("NORMAL", 0);
}