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

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