text: /*
   * 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 int post_client_hello_callback(gnutls_session_t 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)
  {
  	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_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)
  };
  
  void doit(void)
  {
  	/* 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;
  
  	/* 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, "NORMAL", 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);
  	gnutls_handshake_set_hook_function(server, GNUTLS_HANDSHAKE_ANY,
  					   GNUTLS_HOOK_POST,
  					   handshake_callback);
  
  	/* 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, "NORMAL", 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);
  
  	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");
  }
  