/*
  *  OpenVPN -- An application to securely tunnel IP networks
  *             over a single TCP/UDP port, with support for SSL/TLS-based
  *             session authentication and key exchange,
  *             packet encryption, packet authentication, and
  *             packet compression.
  *

  *  Copyright (C) 2002-2018 OpenVPN Inc <sales@openvpn.net>

  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2
  *  as published by the Free Software Foundation.
  *
  *  This program 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 this program; if not, write to the Free Software Foundation, Inc.,
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

  */
 
 #ifndef PUSH_H
 #define PUSH_H
 
 #if P2MP
 
 #include "forward.h"
 
 #define PUSH_MSG_ERROR            0
 #define PUSH_MSG_REQUEST          1
 #define PUSH_MSG_REPLY            2
 #define PUSH_MSG_REQUEST_DEFERRED 3
 #define PUSH_MSG_AUTH_FAILURE     4

 #define PUSH_MSG_CONTINUATION     5

 #define PUSH_MSG_ALREADY_REPLIED  6

 int process_incoming_push_request(struct context *c);

 int process_incoming_push_msg(struct context *c,
                               const struct buffer *buffer,
                               bool honor_received_options,
                               unsigned int permission_mask,
                               unsigned int *option_types_found);

 bool send_push_request(struct context *c);

 void receive_auth_failed(struct context *c, const struct buffer *buffer);

 void server_pushed_signal(struct context *c, const struct buffer *buffer, const bool restart, const int adv);

 void incoming_push_message(struct context *c, const struct buffer *buffer);

 #if P2MP_SERVER

 void clone_push_list(struct options *o);

 void push_option(struct options *o, const char *opt, int msglevel);

 void push_options(struct options *o, char **p, int msglevel, struct gc_arena *gc);

 void push_reset(struct options *o);

 void push_remove_option(struct options *o, const char *p);

 void remove_iroutes_from_push_route_list(struct options *o);
 
 void send_auth_failed(struct context *c, const char *client_reason);
 
 void send_restart(struct context *c, const char *kill_msg);

 #endif

 #endif /* if P2MP */
 #endif /* ifndef PUSH_H */