include/vlc_tls.h

   1 /*****************************************************************************
   2  * vlc_tls.h: Transport Layer Security API
   3  *****************************************************************************
   4  * Copyright (C) 2004-2011 Rémi Denis-Courmont
   5  * Copyright (C) 2005-2006 VLC authors and VideoLAN
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU Lesser General Public License as published by
   9  * the Free Software Foundation; either version 2.1 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public License
  18  * along with this program; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  20  *****************************************************************************/
  21
  22 #ifndef VLC_TLS_H
  23 # define VLC_TLS_H
  24
  25 /**
  26  * \file
  27  * This file defines Transport Layer Security API (TLS) in vlc
  28  */
  29
  30 # include <vlc_network.h>
  31
  32 typedef struct vlc_tls vlc_tls_t;
  33 typedef struct vlc_tls_creds vlc_tls_creds_t;
  34
  35 /** TLS session */
  36 struct vlc_tls
  37 {
  38     VLC_COMMON_MEMBERS
  39
  40     void *sys;
  41
  42     struct virtual_socket_t sock;
  43 };
  44
  45 VLC_API vlc_tls_t *vlc_tls_ClientSessionCreate (vlc_tls_creds_t *, int fd,
  46                                          const char *host, const char *service,
  47                                          const char *const *alpn, char **alp);
  48 vlc_tls_t *vlc_tls_SessionCreate (vlc_tls_creds_t *, int fd, const char *host,
  49                                   const char *const *alpn);
  50 int vlc_tls_SessionHandshake (vlc_tls_t *, const char *host, const char *serv,
  51                               char ** /*restrict*/ alp);
  52 VLC_API void vlc_tls_SessionDelete (vlc_tls_t *);
  53
  54 /* NOTE: It is assumed that a->sock.p_sys = a */
  55 # define tls_Send( a, b, c ) (((vlc_tls_t *)a)->sock.pf_send (a, b, c))
  56
  57 # define tls_Recv( a, b, c ) (((vlc_tls_t *)a)->sock.pf_recv (a, b, c))
  58
  59
  60 /** TLS credentials (certificate, private and trust settings) */
  61 struct vlc_tls_creds
  62 {
  63     VLC_COMMON_MEMBERS
  64
  65     module_t  *module;
  66     void *sys;
  67
  68     int (*open) (vlc_tls_creds_t *, vlc_tls_t *, int fd, const char *host,
  69                  const char *const *alpn);
  70     int  (*handshake) (vlc_tls_t *, const char *host, const char *service,
  71                        char ** /*restrict*/ alp);
  72     void (*close) (vlc_tls_t *);
  73 };
  74
  75 VLC_API vlc_tls_creds_t *vlc_tls_ClientCreate (vlc_object_t *);
  76 vlc_tls_creds_t *vlc_tls_ServerCreate (vlc_object_t *,
  77                                        const char *cert, const char *key);
  78 VLC_API void vlc_tls_Delete (vlc_tls_creds_t *);
  79
  80 #endif