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169 lines
6.5 KiB
169 lines
6.5 KiB
/**
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* @file
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* This file (together with sockets.h) aims to provide structs and functions from
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* - arpa/inet.h
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* - netinet/in.h
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*
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*/
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/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef LWIP_HDR_INET_H
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#define LWIP_HDR_INET_H
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#include "lwip/opt.h"
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#include "lwip/def.h"
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#include "lwip/ip_addr.h"
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#include "lwip/ip6_addr.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* If your port already typedef's in_addr_t, define IN_ADDR_T_DEFINED
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to prevent this code from redefining it. */
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#if !defined(in_addr_t) && !defined(IN_ADDR_T_DEFINED)
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typedef u32_t in_addr_t;
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#endif
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struct in_addr {
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in_addr_t s_addr;
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};
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struct in6_addr {
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union {
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u32_t u32_addr[4];
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u8_t u8_addr[16];
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} un;
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#define s6_addr un.u8_addr
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};
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/** 255.255.255.255 */
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#define INADDR_NONE IPADDR_NONE
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/** 127.0.0.1 */
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#define INADDR_LOOPBACK IPADDR_LOOPBACK
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/** 0.0.0.0 */
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#define INADDR_ANY IPADDR_ANY
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/** 255.255.255.255 */
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#define INADDR_BROADCAST IPADDR_BROADCAST
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/** This macro can be used to initialize a variable of type struct in6_addr
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to the IPv6 wildcard address. */
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#define IN6ADDR_ANY_INIT {{{0,0,0,0}}}
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/** This macro can be used to initialize a variable of type struct in6_addr
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to the IPv6 loopback address. */
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#define IN6ADDR_LOOPBACK_INIT {{{0,0,0,PP_HTONL(1)}}}
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/** This variable is initialized by the system to contain the wildcard IPv6 address. */
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extern const struct in6_addr in6addr_any;
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/* Definitions of the bits in an (IPv4) Internet address integer.
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On subnets, host and network parts are found according to
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the subnet mask, not these masks. */
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#define IN_CLASSA(a) IP_CLASSA(a)
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#define IN_CLASSA_NET IP_CLASSA_NET
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#define IN_CLASSA_NSHIFT IP_CLASSA_NSHIFT
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#define IN_CLASSA_HOST IP_CLASSA_HOST
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#define IN_CLASSA_MAX IP_CLASSA_MAX
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#define IN_CLASSB(b) IP_CLASSB(b)
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#define IN_CLASSB_NET IP_CLASSB_NET
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#define IN_CLASSB_NSHIFT IP_CLASSB_NSHIFT
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#define IN_CLASSB_HOST IP_CLASSB_HOST
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#define IN_CLASSB_MAX IP_CLASSB_MAX
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#define IN_CLASSC(c) IP_CLASSC(c)
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#define IN_CLASSC_NET IP_CLASSC_NET
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#define IN_CLASSC_NSHIFT IP_CLASSC_NSHIFT
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#define IN_CLASSC_HOST IP_CLASSC_HOST
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#define IN_CLASSC_MAX IP_CLASSC_MAX
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#define IN_CLASSD(d) IP_CLASSD(d)
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#define IN_CLASSD_NET IP_CLASSD_NET /* These ones aren't really */
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#define IN_CLASSD_NSHIFT IP_CLASSD_NSHIFT /* net and host fields, but */
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#define IN_CLASSD_HOST IP_CLASSD_HOST /* routing needn't know. */
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#define IN_CLASSD_MAX IP_CLASSD_MAX
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#define IN_MULTICAST(a) IP_MULTICAST(a)
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#define IN_EXPERIMENTAL(a) IP_EXPERIMENTAL(a)
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#define IN_BADCLASS(a) IP_BADCLASS(a)
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#define IN_LOOPBACKNET IP_LOOPBACKNET
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#ifndef INET_ADDRSTRLEN
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#define INET_ADDRSTRLEN IP4ADDR_STRLEN_MAX
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#endif
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#if LWIP_IPV6
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#ifndef INET6_ADDRSTRLEN
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#define INET6_ADDRSTRLEN IP6ADDR_STRLEN_MAX
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#endif
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#endif
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#if LWIP_IPV4
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#define inet_addr_from_ip4addr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr))
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#define inet_addr_to_ip4addr(target_ipaddr, source_inaddr) (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr))
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/* directly map this to the lwip internal functions */
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#define inet_addr(cp) ipaddr_addr(cp)
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#define inet_aton(cp, addr) ip4addr_aton(cp, (ip4_addr_t*)addr)
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#define inet_ntoa(addr) ip4addr_ntoa((const ip4_addr_t*)&(addr))
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#define inet_ntoa_r(addr, buf, buflen) ip4addr_ntoa_r((const ip4_addr_t*)&(addr), buf, buflen)
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#endif /* LWIP_IPV4 */
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#if LWIP_IPV6
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#define inet6_addr_from_ip6addr(target_in6addr, source_ip6addr) {(target_in6addr)->un.u32_addr[0] = (source_ip6addr)->addr[0]; \
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(target_in6addr)->un.u32_addr[1] = (source_ip6addr)->addr[1]; \
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(target_in6addr)->un.u32_addr[2] = (source_ip6addr)->addr[2]; \
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(target_in6addr)->un.u32_addr[3] = (source_ip6addr)->addr[3];}
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#define inet6_addr_to_ip6addr(target_ip6addr, source_in6addr) {(target_ip6addr)->addr[0] = (source_in6addr)->un.u32_addr[0]; \
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(target_ip6addr)->addr[1] = (source_in6addr)->un.u32_addr[1]; \
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(target_ip6addr)->addr[2] = (source_in6addr)->un.u32_addr[2]; \
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(target_ip6addr)->addr[3] = (source_in6addr)->un.u32_addr[3]; \
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ip6_addr_clear_zone(target_ip6addr);}
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/* directly map this to the lwip internal functions */
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#define inet6_aton(cp, addr) ip6addr_aton(cp, (ip6_addr_t*)addr)
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#define inet6_ntoa(addr) ip6addr_ntoa((const ip6_addr_t*)&(addr))
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#define inet6_ntoa_r(addr, buf, buflen) ip6addr_ntoa_r((const ip6_addr_t*)&(addr), buf, buflen)
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#endif /* LWIP_IPV6 */
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWIP_HDR_INET_H */
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