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302 lines
9.0 KiB
302 lines
9.0 KiB
/*
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* This file is part of the KDE libraries
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* Copyright (C) 2000-2003 Thiago Macieira <thiago.macieira@kdemail.net>>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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**/
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#ifndef _NETSUPP_H_
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#define _NETSUPP_H_
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#include "kdelibs_export.h"
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <sys/socket.h>
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#include <netdb.h>
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//#include "ksockaddr.h"
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#ifdef __CYGWIN__
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typedef unsigned ksocklen_t;
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#endif
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/*
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* Seems some systems don't know about AF_LOCAL
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*/
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#ifndef AF_LOCAL
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#define AF_LOCAL AF_UNIX
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#define PF_LOCAL PF_UNIX
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#endif
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#ifdef CLOBBER_IN6
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#define kde_in6_addr in6_addr
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#define kde_sockaddr_in6 sockaddr_in6
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#endif
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/*** IPv6 structures that might be missing from some implementations ***/
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/** @internal
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* An IPv6 address.
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* This is taken from RFC 2553
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*/
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struct kde_in6_addr
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{
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unsigned char __u6_addr[16];
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};
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/** @internal
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* An IPv6 socket address
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* This is taken from RFC 2553.
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*/
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struct kde_sockaddr_in6
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{
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#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
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Q_UINT8 sin6_len;
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Q_UINT8 sin6_family;
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#else //HAVE_STRUCT_SOCKADDR_SA_LEN
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Q_UINT16 sin6_family;
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#endif
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unsigned short sin6_port; /* RFC says in_port_t */
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Q_UINT32 sin6_flowinfo;
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struct kde_in6_addr sin6_addr;
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Q_UINT32 sin6_scope_id;
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};
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/* IPv6 test macros that could be missing from some implementations */
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#define KDE_IN6_IS_ADDR_UNSPECIFIED(a) \
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(((Q_UINT32 *) (a))[0] == 0 && ((Q_UINT32 *) (a))[1] == 0 && \
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((Q_UINT32 *) (a))[2] == 0 && ((Q_UINT32 *) (a))[3] == 0)
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#define KDE_IN6_IS_ADDR_LOOPBACK(a) \
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(((Q_UINT32 *) (a))[0] == 0 && ((Q_UINT32 *) (a))[1] == 0 && \
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((Q_UINT32 *) (a))[2] == 0 && ((Q_UINT32 *) (a))[3] == htonl (1))
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#define KDE_IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)
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#define KDE_IN6_IS_ADDR_LINKLOCAL(a) \
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((((Q_UINT32 *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
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#define KDE_IN6_IS_ADDR_SITELOCAL(a) \
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((((Q_UINT32 *) (a))[0] & htonl (0xffc00000)) == htonl (0xfec00000))
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#define KDE_IN6_IS_ADDR_V4MAPPED(a) \
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((((Q_UINT32 *) (a))[0] == 0) && (((Q_UINT32 *) (a))[1] == 0) && \
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(((Q_UINT32 *) (a))[2] == htonl (0xffff)))
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#define KDE_IN6_IS_ADDR_V4COMPAT(a) \
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((((Q_UINT32 *) (a))[0] == 0) && (((Q_UINT32 *) (a))[1] == 0) && \
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(((Q_UINT32 *) (a))[2] == 0) && (ntohl (((Q_UINT32 *) (a))[3]) > 1))
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#define KDE_IN6_ARE_ADDR_EQUAL(a,b) \
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((((Q_UINT32 *) (a))[0] == ((Q_UINT32 *) (b))[0]) && \
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(((Q_UINT32 *) (a))[1] == ((Q_UINT32 *) (b))[1]) && \
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(((Q_UINT32 *) (a))[2] == ((Q_UINT32 *) (b))[2]) && \
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(((Q_UINT32 *) (a))[3] == ((Q_UINT32 *) (b))[3]))
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#define KDE_IN6_IS_ADDR_MC_NODELOCAL(a) \
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(KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x1))
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#define KDE_IN6_IS_ADDR_MC_LINKLOCAL(a) \
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(KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x2))
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#define KDE_IN6_IS_ADDR_MC_SITELOCAL(a) \
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(KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x5))
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#define KDE_IN6_IS_ADDR_MC_ORGLOCAL(a) \
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(KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x8))
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#define KDE_IN6_IS_ADDR_MC_GLOBAL(a) \
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(KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0xe))
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#ifdef NEED_IN6_TESTS
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# define IN6_IS_ADDR_UNSPECIFIED KDE_IN6_IS_ADDR_UNSPECIFIED
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# define IN6_IS_ADDR_LOOPBACK KDE_IN6_IS_ADDR_LOOPBACK
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# define IN6_IS_ADDR_MULTICAST KDE_IN6_IS_ADDR_MULTICAST
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# define IN6_IS_ADDR_LINKLOCAL KDE_IN6_IS_ADDR_LINKLOCAL
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# define IN6_IS_ADDR_SITELOCAL KDE_IN6_IS_ADDR_SITELOCAL
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# define IN6_IS_ADDR_V4MAPPED KDE_IN6_IS_ADDR_V4MAPPED
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# define IN6_IS_ADDR_V4COMPAT KDE_IN6_IS_ADDR_V4COMPAT
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# define IN6_ARE_ADDR_EQUAL KDE_IN6_ARE_ADDR_EQUAL
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# define IN6_IS_ADDR_MC_NODELOCAL KDE_IN6_IS_ADDR_MC_NODELOCAL
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# define IN6_IS_ADDR_MC_LINKLOCAL KDE_IN6_IS_ADDR_MC_LINKLOCAL
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# define IN6_IS_ADDR_MC_SITELOCAL KDE_IN6_IS_ADDR_MC_SITELOCAL
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# define IN6_IS_ADDR_MC_ORGLOCAL KDE_IN6_IS_ADDR_MC_ORGLOCAL
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# define IN6_IS_ADDR_MC_GLOBAL KDE_IN6_IS_ADDR_MC_GLOBAL
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#endif
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/* Special internal structure */
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#define KAI_SYSTEM 0 /* data is all-system */
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#define KAI_LOCALUNIX 1 /* data contains a Unix addrinfo allocated by us */
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#define KAI_QDNS 2 /* data contains data derived from QDns */
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struct addrinfo; /* forward declaration; this could be needed */
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/**
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* @internal
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* Special purpose structure, to return data from kde_getaddrinfo to the
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* library functions. This defines an extra field to let us know how to
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* process this better.
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*
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* Currently, we use it to determine how to deallocate this stuff
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*/
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struct kde_addrinfo
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{
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struct addrinfo *data;
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int origin;
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};
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extern KDECORE_EXPORT int kde_getaddrinfo(const char *name, const char *service,
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const struct addrinfo* hint,
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struct kde_addrinfo** result);
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extern KDECORE_EXPORT void kde_freeaddrinfo(struct kde_addrinfo *p);
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#if !defined(HAVE_GETADDRINFO) || defined(HAVE_BROKEN_GETADDRINFO)
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# ifndef HAVE_STRUCT_ADDRINFO
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/**
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* @internal
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*/
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struct addrinfo
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{
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int ai_flags; /**< Input flags. */
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int ai_family; /**< Protocol family for socket. */
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int ai_socktype; /**< Socket type. */
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int ai_protocol; /**< Protocol for socket. */
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int ai_addrlen; /**< Length of socket address. */
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struct sockaddr *ai_addr; /**< Socket address for socket. */
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char *ai_canonname; /**< Canonical name for service location. */
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struct addrinfo *ai_next; /**< Pointer to next in list. */
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};
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# endif
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# ifdef AI_PASSIVE
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# undef AI_PASSIVE
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# undef AI_CANONNAME
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# undef AI_NUMERICHOST
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# endif
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/* Possible values for `ai_flags' field in `addrinfo' structure. */
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# define AI_PASSIVE 1 /* Socket address is intended for `bind'. */
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# define AI_CANONNAME 2 /* Request for canonical name. */
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# define AI_NUMERICHOST 4 /* Don't use name resolution. */
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# ifdef EAI_ADDRFAMILY
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# undef EAI_ADDRFAMILY
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# undef EAI_AGAIN
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# undef EAI_BADFLAGS
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# undef EAI_FAIL
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# undef EAI_FAMILY
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# undef EAI_MEMORY
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# undef EAI_NODATA
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# undef EAI_NONAME
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# undef EAI_SERVICE
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# undef EAI_SOCKTYPE
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# undef EAI_SYSTEM
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# endif
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/* Error values for `getaddrinfo' function. */
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# define EAI_ADDRFAMILY 1 /* Address family for NAME not supported. */
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# define EAI_AGAIN 2 /* Temporary failure in name resolution. */
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# define EAI_BADFLAGS 3 /* Invalid value for `ai_flags' field. */
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# define EAI_FAIL 4 /* Non-recoverable failure in name res. */
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# define EAI_FAMILY 5 /* `ai_family' not supported. */
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# define EAI_MEMORY 6 /* Memory allocation failure. */
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# define EAI_NODATA 7 /* No address associated with NAME. */
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# define EAI_NONAME 8 /* NAME or SERVICE is unknown. */
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# define EAI_SERVICE 9 /* SERVICE not supported for `ai_socktype'. */
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# define EAI_SOCKTYPE 10 /* `ai_socktype' not supported. */
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# define EAI_SYSTEM 11 /* System error returned in `errno'. */
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/*
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* These are specified in the RFC
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* We won't undefine them. If someone defined them to a different value
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* the preprocessor will generate an error
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*/
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# define NI_MAXHOST 1025
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# define NI_MAXSERV 32
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# ifdef NI_NUMERICHOST
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# undef NI_NUMERICHOST
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# undef NI_NUMERICSERV
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# undef NI_NOFQDN
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# undef NI_NAMEREQD
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# undef NI_DGRAM
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# endif
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# define NI_NUMERICHOST 1 /* Don't try to look up hostname. */
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# define NI_NUMERICSERV 2 /* Don't convert port number to name. */
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# define NI_NOFQDN 4 /* Only return nodename portion. */
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# define NI_NAMEREQD 8 /* Don't return numeric addresses. */
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# define NI_DGRAM 16 /* Look up UDP service rather than TCP. */
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# ifdef getaddrinfo
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# undef getaddrinfo
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# endif
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namespace KDE
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{
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/** \internal */
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extern KDECORE_EXPORT int getaddrinfo(const char *name, const char *service,
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const struct addrinfo* hint,
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struct addrinfo** result);
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/** \internal */
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extern KDECORE_EXPORT void freeaddrinfo(struct addrinfo* ai);
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/** \internal */
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extern KDECORE_EXPORT char *gai_strerror(int errorcode);
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/** \internal */
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extern KDECORE_EXPORT int getnameinfo(const struct sockaddr *sa,
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unsigned int salen,
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char *host, size_t hostlen,
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char *serv, size_t servlen,
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int flags);
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}
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# define getaddrinfo KDE::getaddrinfo
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# define freeaddrinfo KDE::freeaddrinfo
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# define gai_strerror KDE::gai_strerror
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# define getnameinfo KDE::getnameinfo
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#endif
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#ifndef HAVE_INET_PTON
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namespace KDE
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{
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/** \internal */
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extern KDECORE_EXPORT int inet_pton(int af, const char *cp, void* buf);
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}
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# define inet_pton KDE::inet_pton
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#endif
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#ifndef HAVE_INET_NTOP
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namespace KDE
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{
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/** \internal */
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extern KDECORE_EXPORT const char* inet_ntop(int af, const void *cp, char *buf, size_t len);
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}
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# define inet_ntop KDE::inet_ntop
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#endif
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#endif
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