KDECore

netsupp.h

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (C) 2000-2003 Thiago Macieira <thiago.macieira@kdemail.net>>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License as published by the Free Software Foundation; either
00008  *  version 2 of the License, or (at your option) any later version.
00009  *
00010  *  This library is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  *  Library General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU Library General Public License
00016  *  along with this library; see the file COPYING.LIB.  If not, write to
00017  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018  *  Boston, MA 02110-1301, USA.
00019  **/
00020 
00021 #ifndef _NETSUPP_H_
00022 #define _NETSUPP_H_
00023 
00024 #include "kdelibs_export.h"
00025 
00026 #ifdef HAVE_CONFIG_H
00027 #include <config.h>
00028 #endif
00029 
00030 #include <sys/socket.h>
00031 #include <netdb.h>
00032 //#include "ksockaddr.h"
00033 
00034 #ifdef __CYGWIN__                 
00035 typedef unsigned ksocklen_t;
00036 #endif                            
00037 
00038 /*
00039  * Seems some systems don't know about AF_LOCAL
00040  */
00041 #ifndef AF_LOCAL
00042 #define AF_LOCAL    AF_UNIX
00043 #define PF_LOCAL    PF_UNIX
00044 #endif
00045 
00046 #ifdef CLOBBER_IN6
00047 #define kde_in6_addr        in6_addr
00048 #define kde_sockaddr_in6    sockaddr_in6
00049 #endif
00050 
00051 /*** IPv6 structures that might be missing from some implementations ***/
00052 
00057 struct kde_in6_addr
00058 {
00059   unsigned char __u6_addr[16];
00060 };
00061 
00066 struct kde_sockaddr_in6
00067 {
00068 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
00069   Q_UINT8       sin6_len;
00070   Q_UINT8       sin6_family;
00071 #else  //HAVE_STRUCT_SOCKADDR_SA_LEN
00072   Q_UINT16      sin6_family;
00073 #endif
00074   unsigned short        sin6_port;  /* RFC says in_port_t */
00075   Q_UINT32      sin6_flowinfo;
00076   struct kde_in6_addr   sin6_addr;
00077   Q_UINT32      sin6_scope_id;
00078 };
00079 
00080 /* IPv6 test macros that could be missing from some implementations */
00081 
00082 #define KDE_IN6_IS_ADDR_UNSPECIFIED(a) \
00083     (((Q_UINT32 *) (a))[0] == 0 && ((Q_UINT32 *) (a))[1] == 0 && \
00084      ((Q_UINT32 *) (a))[2] == 0 && ((Q_UINT32 *) (a))[3] == 0)
00085 
00086 #define KDE_IN6_IS_ADDR_LOOPBACK(a) \
00087     (((Q_UINT32 *) (a))[0] == 0 && ((Q_UINT32 *) (a))[1] == 0 && \
00088      ((Q_UINT32 *) (a))[2] == 0 && ((Q_UINT32 *) (a))[3] == htonl (1))
00089 
00090 #define KDE_IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)
00091 
00092 #define KDE_IN6_IS_ADDR_LINKLOCAL(a) \
00093     ((((Q_UINT32 *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
00094 
00095 #define KDE_IN6_IS_ADDR_SITELOCAL(a) \
00096     ((((Q_UINT32 *) (a))[0] & htonl (0xffc00000)) == htonl (0xfec00000))
00097 
00098 #define KDE_IN6_IS_ADDR_V4MAPPED(a) \
00099     ((((Q_UINT32 *) (a))[0] == 0) && (((Q_UINT32 *) (a))[1] == 0) && \
00100      (((Q_UINT32 *) (a))[2] == htonl (0xffff)))
00101 
00102 #define KDE_IN6_IS_ADDR_V4COMPAT(a) \
00103     ((((Q_UINT32 *) (a))[0] == 0) && (((Q_UINT32 *) (a))[1] == 0) && \
00104      (((Q_UINT32 *) (a))[2] == 0) && (ntohl (((Q_UINT32 *) (a))[3]) > 1))
00105 
00106 #define KDE_IN6_ARE_ADDR_EQUAL(a,b) \
00107     ((((Q_UINT32 *) (a))[0] == ((Q_UINT32 *) (b))[0]) && \
00108      (((Q_UINT32 *) (a))[1] == ((Q_UINT32 *) (b))[1]) && \
00109      (((Q_UINT32 *) (a))[2] == ((Q_UINT32 *) (b))[2]) && \
00110      (((Q_UINT32 *) (a))[3] == ((Q_UINT32 *) (b))[3]))
00111 
00112 #define KDE_IN6_IS_ADDR_MC_NODELOCAL(a) \
00113     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x1))
00114 
00115 #define KDE_IN6_IS_ADDR_MC_LINKLOCAL(a) \
00116     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x2))
00117 
00118 #define KDE_IN6_IS_ADDR_MC_SITELOCAL(a) \
00119     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x5))
00120 
00121 #define KDE_IN6_IS_ADDR_MC_ORGLOCAL(a) \
00122     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x8))
00123 
00124 #define KDE_IN6_IS_ADDR_MC_GLOBAL(a) \
00125     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0xe))
00126 
00127 #ifdef NEED_IN6_TESTS
00128 # define IN6_IS_ADDR_UNSPECIFIED    KDE_IN6_IS_ADDR_UNSPECIFIED
00129 # define IN6_IS_ADDR_LOOPBACK       KDE_IN6_IS_ADDR_LOOPBACK
00130 # define IN6_IS_ADDR_MULTICAST      KDE_IN6_IS_ADDR_MULTICAST
00131 # define IN6_IS_ADDR_LINKLOCAL      KDE_IN6_IS_ADDR_LINKLOCAL
00132 # define IN6_IS_ADDR_SITELOCAL      KDE_IN6_IS_ADDR_SITELOCAL
00133 # define IN6_IS_ADDR_V4MAPPED       KDE_IN6_IS_ADDR_V4MAPPED
00134 # define IN6_IS_ADDR_V4COMPAT       KDE_IN6_IS_ADDR_V4COMPAT
00135 # define IN6_ARE_ADDR_EQUAL     KDE_IN6_ARE_ADDR_EQUAL
00136 # define IN6_IS_ADDR_MC_NODELOCAL   KDE_IN6_IS_ADDR_MC_NODELOCAL
00137 # define IN6_IS_ADDR_MC_LINKLOCAL   KDE_IN6_IS_ADDR_MC_LINKLOCAL
00138 # define IN6_IS_ADDR_MC_SITELOCAL   KDE_IN6_IS_ADDR_MC_SITELOCAL
00139 # define IN6_IS_ADDR_MC_ORGLOCAL    KDE_IN6_IS_ADDR_MC_ORGLOCAL
00140 # define IN6_IS_ADDR_MC_GLOBAL      KDE_IN6_IS_ADDR_MC_GLOBAL
00141 #endif
00142 
00143 /* Special internal structure */
00144 
00145 #define KAI_SYSTEM      0   /* data is all-system */
00146 #define KAI_LOCALUNIX       1   /* data contains a Unix addrinfo allocated by us */
00147 #define KAI_QDNS        2   /* data contains data derived from QDns */
00148 
00149 struct addrinfo;        /* forward declaration; this could be needed */
00150 
00159 struct kde_addrinfo
00160 {
00161   struct addrinfo *data;
00162   int origin;
00163 };
00164 
00165 extern KDECORE_EXPORT int kde_getaddrinfo(const char *name, const char *service,
00166                const struct addrinfo* hint,
00167                struct kde_addrinfo** result);
00168 extern KDECORE_EXPORT void kde_freeaddrinfo(struct kde_addrinfo *p);
00169 
00170 #if !defined(HAVE_GETADDRINFO) || defined(HAVE_BROKEN_GETADDRINFO)
00171 
00172 # ifndef HAVE_STRUCT_ADDRINFO
00173 
00176 struct addrinfo
00177 {
00178   int ai_flags;         
00179   int ai_family;        
00180   int ai_socktype;      
00181   int ai_protocol;      
00182   int ai_addrlen;       
00183   struct sockaddr *ai_addr; 
00184   char *ai_canonname;       
00185   struct addrinfo *ai_next; 
00186 };
00187 # endif
00188 
00189 # ifdef AI_PASSIVE
00190 #  undef AI_PASSIVE
00191 #  undef AI_CANONNAME
00192 #  undef AI_NUMERICHOST
00193 # endif
00194 
00195 /* Possible values for `ai_flags' field in `addrinfo' structure.  */
00196 # define AI_PASSIVE 1   /* Socket address is intended for `bind'.  */
00197 # define AI_CANONNAME   2   /* Request for canonical name.  */
00198 # define AI_NUMERICHOST 4   /* Don't use name resolution.  */
00199 
00200 # ifdef EAI_ADDRFAMILY
00201 #  undef EAI_ADDRFAMILY
00202 #  undef EAI_AGAIN
00203 #  undef EAI_BADFLAGS
00204 #  undef EAI_FAIL
00205 #  undef EAI_FAMILY
00206 #  undef EAI_MEMORY
00207 #  undef EAI_NODATA
00208 #  undef EAI_NONAME
00209 #  undef EAI_SERVICE
00210 #  undef EAI_SOCKTYPE
00211 #  undef EAI_SYSTEM
00212 # endif
00213 
00214 /* Error values for `getaddrinfo' function.  */
00215 # define EAI_ADDRFAMILY 1   /* Address family for NAME not supported.  */
00216 # define EAI_AGAIN  2   /* Temporary failure in name resolution.  */
00217 # define EAI_BADFLAGS   3   /* Invalid value for `ai_flags' field.  */
00218 # define EAI_FAIL   4   /* Non-recoverable failure in name res.  */
00219 # define EAI_FAMILY 5   /* `ai_family' not supported.  */
00220 # define EAI_MEMORY 6   /* Memory allocation failure.  */
00221 # define EAI_NODATA 7   /* No address associated with NAME.  */
00222 # define EAI_NONAME 8   /* NAME or SERVICE is unknown.  */
00223 # define EAI_SERVICE    9   /* SERVICE not supported for `ai_socktype'.  */
00224 # define EAI_SOCKTYPE   10  /* `ai_socktype' not supported.  */
00225 # define EAI_SYSTEM 11  /* System error returned in `errno'.  */
00226 
00227 /*
00228  * These are specified in the RFC
00229  * We won't undefine them. If someone defined them to a different value
00230  * the preprocessor will generate an error
00231  */
00232 # define NI_MAXHOST 1025
00233 # define NI_MAXSERV 32
00234 
00235 # ifdef NI_NUMERICHOST
00236 #  undef NI_NUMERICHOST
00237 #  undef NI_NUMERICSERV
00238 #  undef NI_NOFQDN
00239 #  undef NI_NAMEREQD
00240 #  undef NI_DGRAM
00241 # endif
00242 
00243 # define NI_NUMERICHOST 1   /* Don't try to look up hostname.  */
00244 # define NI_NUMERICSERV 2   /* Don't convert port number to name.  */
00245 # define NI_NOFQDN  4   /* Only return nodename portion.  */
00246 # define NI_NAMEREQD    8   /* Don't return numeric addresses.  */
00247 # define NI_DGRAM   16  /* Look up UDP service rather than TCP.  */
00248 
00249 # ifdef getaddrinfo
00250 #  undef getaddrinfo
00251 # endif
00252 
00253 namespace KDE
00254 {
00256   extern KDECORE_EXPORT int getaddrinfo(const char *name, const char *service,
00257              const struct addrinfo* hint,
00258              struct addrinfo** result);
00260   extern KDECORE_EXPORT void freeaddrinfo(struct addrinfo* ai);
00262   extern KDECORE_EXPORT char *gai_strerror(int errorcode);
00264   extern KDECORE_EXPORT int getnameinfo(const struct sockaddr *sa,
00265              unsigned int salen,
00266              char *host, size_t hostlen,
00267              char *serv, size_t servlen,
00268              int flags);
00269 }
00270 
00271 # define getaddrinfo    KDE::getaddrinfo
00272 # define freeaddrinfo   KDE::freeaddrinfo
00273 # define gai_strerror   KDE::gai_strerror
00274 # define getnameinfo    KDE::getnameinfo
00275 
00276 
00277 #endif
00278 
00279 #ifndef HAVE_INET_PTON
00280 
00281 namespace KDE
00282 {
00284   extern KDECORE_EXPORT int inet_pton(int af, const char *cp, void* buf);
00285 }
00286 
00287 # define inet_pton  KDE::inet_pton
00288 #endif
00289 
00290 #ifndef HAVE_INET_NTOP
00291 
00292 namespace KDE
00293 {
00295   extern KDECORE_EXPORT const char* inet_ntop(int af, const void *cp, char *buf, size_t len);
00296 }
00297 
00298 # define inet_ntop  KDE::inet_ntop
00299 #endif
00300 
00301 #endif
KDECore

netsupp.h

KDECore

API Reference
