libextra/ext_inner_application.h

   1 /*
   2  * Copyright (C) 2005, 2008, 2010 Free Software Foundation, Inc.
   3  *
   4  * Author: Simon Josefsson
   5  *
   6  * This file is part of GnuTLS-EXTRA.
   7  *
   8  * GnuTLS-extra is free software: you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation, either version 3 of the
  11  * License, or (at your option) any later version.
  12  *
  13  * GnuTLS-extra 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  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program.  If not, see
  20  * <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23
  24 #ifndef EXT_IA_H
  25 #define EXT_IA_H
  26
  27 #include <gnutls_extensions.h>
  28
  29 #define IA_PEER_ENABLE (1 << 1)
  30 #define IA_PEER_ALLOW_SKIP (1 << 2)
  31 #define IA_ENABLE (1 << 3)
  32 #define IA_ALLOW_SKIP (1 << 4)
  33
  34 extern extension_entry_st ext_mod_ia;
  35
  36 typedef struct
  37 {
  38   unsigned int flags;
  39   /* For TLS/IA.  XXX: Move to IA credential? */
  40   opaque inner_secret[GNUTLS_MASTER_SIZE];
  41 } ia_ext_st;
  42
  43 inline static void
  44 _gnutls_ia_derive_inner_secret (gnutls_session_t session)
  45 {
  46   extension_priv_data_t epriv;
  47   ia_ext_st *priv;
  48   int ret;
  49
  50   ret =
  51     _gnutls_ext_get_session_data (session, GNUTLS_EXTENSION_INNER_APPLICATION,
  52                                   &epriv);
  53   if (ret < 0)
  54     {
  55       return;
  56     }
  57   priv = epriv.ptr;
  58
  59   memcpy (priv->inner_secret,
  60           session->security_parameters.master_secret, GNUTLS_MASTER_SIZE);
  61
  62 }
  63
  64 #endif