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/*
* 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) 2002-2021 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 server_pushed_info(struct context *c, const struct buffer *buffer,
const int adv);
void receive_cr_response(struct context *c, const struct buffer *buffer);
void incoming_push_message(struct context *c, const struct buffer *buffer);
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);
/**
* Sends the auth pending control messages to a client. See
* doc/management-notes.txt under client-pending-auth for
* more details on message format
*/
bool send_auth_pending_messages(struct context *c, const char *extra);
void send_restart(struct context *c, const char *kill_msg);
/**
* Sends a push reply message only containin the auth-token to update
* the auth-token on the client
*
* @param multi - The tls_multi structure belonging to the instance to push to
*/
void send_push_reply_auth_token(struct tls_multi *multi);
#endif /* if P2MP */
#endif /* ifndef PUSH_H */
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