lib/gnutls_handshake.h

   1 /*
   2  * Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation
   3  *
   4  * Author: Nikos Mavroyanopoulos
   5  *
   6  * This file is part of GNUTLS.
   7  *
   8  * The GNUTLS library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 2.1 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21  * USA
  22  *
  23  */
  24
  25 typedef enum Optional
  26 { OPTIONAL_PACKET, MANDATORY_PACKET } Optional;
  27
  28 int _gnutls_send_handshake (gnutls_session_t session, void *i_data,
  29                             uint32_t i_datasize,
  30                             gnutls_handshake_description_t type);
  31 int _gnutls_recv_hello_request (gnutls_session_t session, void *data,
  32                                 uint32_t data_size);
  33 int _gnutls_send_hello (gnutls_session_t session, int again);
  34 int _gnutls_recv_hello (gnutls_session_t session, opaque * data, int datalen);
  35 int _gnutls_recv_handshake (gnutls_session_t session, uint8_t **, int *,
  36                             gnutls_handshake_description_t,
  37                             Optional optional);
  38 int _gnutls_generate_session_id (opaque * session_id, uint8_t * len);
  39 int _gnutls_handshake_common (gnutls_session_t session);
  40 int _gnutls_handshake_client (gnutls_session_t session);
  41 int _gnutls_handshake_server (gnutls_session_t session);
  42 void _gnutls_set_server_random (gnutls_session_t session, uint8_t * rnd);
  43 void _gnutls_set_client_random (gnutls_session_t session, uint8_t * rnd);
  44 int _gnutls_tls_create_random (opaque * dst);
  45 int _gnutls_remove_unwanted_ciphersuites (gnutls_session_t session,
  46                                           cipher_suite_st ** cipherSuites,
  47                                           int numCipherSuites,
  48                                           gnutls_pk_algorithm_t);
  49 int _gnutls_find_pk_algos_in_ciphersuites (opaque * data, int datalen);
  50 int _gnutls_server_select_suite (gnutls_session_t session, opaque * data,
  51                                  int datalen);
  52
  53 #define STATE session->internals.handshake_state
  54 /* This returns true if we have got there
  55  * before (and not finished due to an interrupt).
  56  */
  57 #define AGAIN(target) STATE==target?1:0