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/*
* forward.h
* potd is licensed under the BSD license:
*
* Copyright (c) 2018 Toni Uhlig <matzeton@googlemail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - The names of its contributors may not be used to endorse or promote
* products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef POTD_FORWARD_H
#define POTD_FORWARD_H 1
#include "socket.h"
typedef enum forward_type {
FT_NONE = 0, FT_CLIENT, FT_SERVER
} forward_type;
typedef struct forward_ctx {
forward_type fwd_type;
psocket sock;
char host_buf[NI_MAXHOST], service_buf[NI_MAXSERV];
struct addrinfo *ai;
void *data;
} forward_ctx;
int fwd_init_ctx(forward_ctx **ctx);
int fwd_setup_client(forward_ctx *ctx, const char *host, const char *port);
int fwd_setup_client_silent(forward_ctx *ctx, const char *host,
const char *port);
int fwd_setup_server(forward_ctx *ctx, const char *listen_addr,
const char *listen_port);
int fwd_validate_ctx(const forward_ctx *ctx);
int fwd_connect_sock(forward_ctx *ctx, psocket *fwd_client);
int fwd_listen_sock(forward_ctx *ctx, psocket *fwd_server);
#endif
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