lwip_tcp_isn.h

00001 /*
00002  * Copyright (c) 2016 The MINIX 3 Project.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without modification,
00006  * are permitted provided that the following conditions are met:
00007  *
00008  * 1. Redistributions of source code must retain the above copyright notice,
00009  *    this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright notice,
00011  *    this list of conditions and the following disclaimer in the documentation
00012  *    and/or other materials provided with the distribution.
00013  * 3. The name of the author may not be used to endorse or promote products
00014  *    derived from this software without specific prior written permission.
00015  *
00016  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
00017  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00018  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
00019  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00020  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
00021  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
00024  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
00025  * OF SUCH DAMAGE.
00026  *
00027  * Author: David van Moolenbroek <david@minix3.org>
00028  */
00029 
00030 #ifndef LWIP_HDR_CONTRIB_ADDONS_TCP_ISN_H
00031 #define LWIP_HDR_CONTRIB_ADDONS_TCP_ISN_H
00032 
00033 #ifdef __cplusplus
00034 extern "C" {
00035 #endif
00036 
00037 void lwip_init_tcp_isn(uint32_t boot_time, const uint8_t *secret_16_bytes);
00038 uint32_t lwip_hook_tcp_isn(const void *local_ip, uint16_t local_port,
00039                         const void *remote_ip, uint16_t remote_port);
00040 
00041 
00042 #ifdef __cplusplus
00043 }
00044 #endif
00045 
00046 #endif /* LWIP_HDR_CONTRIB_ADDONS_TCP_ISN_H */