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 "tdelibs_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
  TQ_UINT8      sin6_len;
  TQ_UINT8      sin6_family;
#else  //HAVE_STRUCT_SOCKADDR_SA_LEN
  TQ_UINT16     sin6_family;
#endif
  unsigned short        sin6_port;  /* RFC says in_port_t */
  TQ_UINT32     sin6_flowinfo;
  struct kde_in6_addr   sin6_addr;
  TQ_UINT32     sin6_scope_id;
};
 
/* IPv6 test macros that could be missing from some implementations */
 
#define KDE_IN6_IS_ADDR_UNSPECIFIED(a) \
    (((TQ_UINT32 *) (a))[0] == 0 && ((TQ_UINT32 *) (a))[1] == 0 && \
     ((TQ_UINT32 *) (a))[2] == 0 && ((TQ_UINT32 *) (a))[3] == 0)
 
#define KDE_IN6_IS_ADDR_LOOPBACK(a) \
    (((TQ_UINT32 *) (a))[0] == 0 && ((TQ_UINT32 *) (a))[1] == 0 && \
     ((TQ_UINT32 *) (a))[2] == 0 && ((TQ_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) \
    ((((TQ_UINT32 *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
 
#define KDE_IN6_IS_ADDR_SITELOCAL(a) \
    ((((TQ_UINT32 *) (a))[0] & htonl (0xffc00000)) == htonl (0xfec00000))
 
#define KDE_IN6_IS_ADDR_V4MAPPED(a) \
    ((((TQ_UINT32 *) (a))[0] == 0) && (((TQ_UINT32 *) (a))[1] == 0) && \
     (((TQ_UINT32 *) (a))[2] == htonl (0xffff)))
 
#define KDE_IN6_IS_ADDR_V4COMPAT(a) \
    ((((TQ_UINT32 *) (a))[0] == 0) && (((TQ_UINT32 *) (a))[1] == 0) && \
     (((TQ_UINT32 *) (a))[2] == 0) && (ntohl (((TQ_UINT32 *) (a))[3]) > 1))
 
#define KDE_IN6_ARE_ADDR_EQUAL(a,b) \
    ((((TQ_UINT32 *) (a))[0] == ((TQ_UINT32 *) (b))[0]) && \
     (((TQ_UINT32 *) (a))[1] == ((TQ_UINT32 *) (b))[1]) && \
     (((TQ_UINT32 *) (a))[2] == ((TQ_UINT32 *) (b))[2]) && \
     (((TQ_UINT32 *) (a))[3] == ((TQ_UINT32 *) (b))[3]))
 
#define KDE_IN6_IS_ADDR_MC_NODELOCAL(a) \
    (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((TQ_UINT8 *) (a))[1] & 0xf) == 0x1))
 
#define KDE_IN6_IS_ADDR_MC_LINKLOCAL(a) \
    (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((TQ_UINT8 *) (a))[1] & 0xf) == 0x2))
 
#define KDE_IN6_IS_ADDR_MC_SITELOCAL(a) \
    (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((TQ_UINT8 *) (a))[1] & 0xf) == 0x5))
 
#define KDE_IN6_IS_ADDR_MC_ORGLOCAL(a) \
    (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((TQ_UINT8 *) (a))[1] & 0xf) == 0x8))
 
#define KDE_IN6_IS_ADDR_MC_GLOBAL(a) \
    (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((TQ_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 TQDns */
 
struct addrinfo;        /* forward declaration; this could be needed */
 
struct kde_addrinfo
{
  struct addrinfo *data;
  int origin;
};
 
extern TDECORE_EXPORT int kde_getaddrinfo(const char *name, const char *service,
               const struct addrinfo* hint,
               struct kde_addrinfo** result);
extern TDECORE_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 TDECORE_EXPORT int getaddrinfo(const char *name, const char *service,
             const struct addrinfo* hint,
             struct addrinfo** result);
  extern TDECORE_EXPORT void freeaddrinfo(struct addrinfo* ai);
  extern TDECORE_EXPORT char *gai_strerror(int errorcode);
  extern TDECORE_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 TDECORE_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 TDECORE_EXPORT const char* inet_ntop(int af, const void *cp, char *buf, size_t len);
}
 
# define inet_ntop  KDE::inet_ntop
#endif
 
#endif