2016-02-10 09:11:12 +00:00
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/* inet_addr.h
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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2018-02-07 11:26:45 +00:00
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* SPDX-License-Identifier: GPL-2.0-or-later
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2016-02-10 09:11:12 +00:00
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*/
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#ifndef __WS_INET_ADDR_H__
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#define __WS_INET_ADDR_H__
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#include "ws_symbol_export.h"
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2017-10-26 07:51:55 +00:00
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#include "ws_attributes.h"
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2016-02-10 09:11:12 +00:00
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2017-10-29 11:09:55 +00:00
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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2016-02-10 09:11:12 +00:00
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#include <glib.h>
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2017-11-08 14:02:08 +00:00
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#include "inet_ipv4.h"
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2016-04-08 04:16:19 +00:00
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#include "inet_ipv6.h"
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2016-02-10 09:11:12 +00:00
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2017-10-29 05:30:37 +00:00
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/*
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* These are the values specified by RFC 2133 and its successors for
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* INET_ADDRSTRLEN and INET6_ADDRSTRLEN.
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*
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* On UN*X systems, INET_ADDRSTRLEN and INET6_ADDRSTRLEN are defined
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* to the values from RFC 2133 and its successors.
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*
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* However, on Windows:
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*
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* There are APIs RtlIpv4AddressToStringEx(), which converts an
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* IPv4 address *and transport-layer port* to the address in the
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* standard text form, followed by a colon and the port number,
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* and RtlIpv6AddressToStringEx(), which converts an IPv6 address
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* *and scope ID and transport-layer port* to the address in the
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* standard text form, followed by a percent sign and the scope
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* ID (with the address and scope ID in square brackets), followed
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* by a colon and the port number.
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*
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* Instead of defining INET_ADDRSTRLEN_EX as 22 and INET6_ADDRSTRLEN_EX
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* as 65, and saying *those* were the buffer sizes to use for
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* RtlIpv4AddressToStringEx() and RtlIpv6AddressToStringEx(), they
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* defined INET_ADDRSTRLEN to be 22 and INET6_ADDRSTRLEN to be 65 - and
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* recommend using those as the size for the buffers passed to
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* RtlIpv4AddressToStringEx() and RtlIpv6AddressToStringEx().
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*
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* At least they document inet_ntop() as requiring a 16-byte or larger
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* buffer for IPv4 addresses and a 46-byte or larger buffer for
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* IPv6 addresses.
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*/
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2017-10-29 11:09:55 +00:00
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#ifdef INET_ADDRSTRLEN
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#define WS_INET_ADDRSTRLEN INET_ADDRSTRLEN
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#else
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#define WS_INET_ADDRSTRLEN 16
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#endif
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#ifdef INET6_ADDRSTRLEN
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#define WS_INET6_ADDRSTRLEN INET6_ADDRSTRLEN
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#else
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#define WS_INET6_ADDRSTRLEN 46
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#endif
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2016-06-01 21:22:46 +00:00
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2017-10-29 11:09:55 +00:00
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/*
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2017-10-29 19:22:39 +00:00
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* To check for errors set errno to zero before calling ws_inet_ntop{4,6}.
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* ENOSPC is set if the result exceeds the given buffer size.
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2017-10-29 11:09:55 +00:00
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*/
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2017-10-26 07:51:55 +00:00
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WS_DLL_PUBLIC WS_RETNONNULL const gchar *
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2016-02-19 16:57:39 +00:00
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ws_inet_ntop4(gconstpointer src, gchar *dst, guint dst_size);
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2016-02-10 09:11:12 +00:00
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2017-10-26 07:51:55 +00:00
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WS_DLL_PUBLIC WS_RETNONNULL const gchar *
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2016-02-19 16:57:39 +00:00
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ws_inet_ntop6(gconstpointer src, gchar *dst, guint dst_size);
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2016-02-10 09:11:12 +00:00
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2017-10-29 19:22:39 +00:00
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WS_DLL_PUBLIC gboolean
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2017-11-08 14:02:08 +00:00
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ws_inet_pton4(const gchar *src, ws_in4_addr *dst);
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2017-10-29 19:22:39 +00:00
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2016-02-10 09:11:12 +00:00
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WS_DLL_PUBLIC gboolean
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2017-10-26 08:50:00 +00:00
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ws_inet_pton6(const gchar *src, ws_in6_addr *dst);
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2016-02-10 09:11:12 +00:00
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#endif
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