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 <kdecore_export.h>
00025 
00026 #include <config.h>
00027 #include <config-network.h>
00028 
00029 #include <sys/socket.h>
00030 #include <netdb.h>
00031 //#include "ksockaddr.h"
00032 
00033 
00034 /*
00035  * Seems some systems don't know about AF_LOCAL
00036  */
00037 #ifndef AF_LOCAL
00038 #define AF_LOCAL    AF_UNIX
00039 #define PF_LOCAL    PF_UNIX
00040 #endif
00041 
00042 #ifdef CLOBBER_IN6
00043 #define kde_in6_addr        in6_addr
00044 #define kde_sockaddr_in6    sockaddr_in6
00045 #endif
00046 
00047 /*** IPv6 structures that might be missing from some implementations ***/
00048 
00053 struct kde_in6_addr
00054 {
00055   unsigned char __u6_addr[16];
00056 };
00057 
00062 struct kde_sockaddr_in6
00063 {
00064 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
00065   quint8        sin6_len;
00066   quint8        sin6_family;
00067 #else  //HAVE_STRUCT_SOCKADDR_SA_LEN
00068   quint16       sin6_family;
00069 #endif
00070   unsigned short        sin6_port;  /* RFC says in_port_t */
00071   quint32       sin6_flowinfo;
00072   struct kde_in6_addr   sin6_addr;
00073   quint32       sin6_scope_id;
00074 };
00075 
00076 /* IPv6 test macros that could be missing from some implementations */
00077 
00078 #define KDE_IN6_IS_ADDR_UNSPECIFIED(a) \
00079     (((quint32 *) (a))[0] == 0 && ((quint32 *) (a))[1] == 0 && \
00080      ((quint32 *) (a))[2] == 0 && ((quint32 *) (a))[3] == 0)
00081 
00082 #define KDE_IN6_IS_ADDR_LOOPBACK(a) \
00083     (((quint32 *) (a))[0] == 0 && ((quint32 *) (a))[1] == 0 && \
00084      ((quint32 *) (a))[2] == 0 && ((quint32 *) (a))[3] == htonl (1))
00085 
00086 #define KDE_IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)
00087 
00088 #define KDE_IN6_IS_ADDR_LINKLOCAL(a) \
00089     ((((quint32 *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
00090 
00091 #define KDE_IN6_IS_ADDR_SITELOCAL(a) \
00092     ((((quint32 *) (a))[0] & htonl (0xffc00000)) == htonl (0xfec00000))
00093 
00094 #define KDE_IN6_IS_ADDR_V4MAPPED(a) \
00095     ((((quint32 *) (a))[0] == 0) && (((quint32 *) (a))[1] == 0) && \
00096      (((quint32 *) (a))[2] == htonl (0xffff)))
00097 
00098 #define KDE_IN6_IS_ADDR_V4COMPAT(a) \
00099     ((((quint32 *) (a))[0] == 0) && (((quint32 *) (a))[1] == 0) && \
00100      (((quint32 *) (a))[2] == 0) && (ntohl (((quint32 *) (a))[3]) > 1))
00101 
00102 #define KDE_IN6_ARE_ADDR_EQUAL(a,b) \
00103     ((((quint32 *) (a))[0] == ((quint32 *) (b))[0]) && \
00104      (((quint32 *) (a))[1] == ((quint32 *) (b))[1]) && \
00105      (((quint32 *) (a))[2] == ((quint32 *) (b))[2]) && \
00106      (((quint32 *) (a))[3] == ((quint32 *) (b))[3]))
00107 
00108 #define KDE_IN6_IS_ADDR_MC_NODELOCAL(a) \
00109     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((quint8 *) (a))[1] & 0xf) == 0x1))
00110 
00111 #define KDE_IN6_IS_ADDR_MC_LINKLOCAL(a) \
00112     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((quint8 *) (a))[1] & 0xf) == 0x2))
00113 
00114 #define KDE_IN6_IS_ADDR_MC_SITELOCAL(a) \
00115     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((quint8 *) (a))[1] & 0xf) == 0x5))
00116 
00117 #define KDE_IN6_IS_ADDR_MC_ORGLOCAL(a) \
00118     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((quint8 *) (a))[1] & 0xf) == 0x8))
00119 
00120 #define KDE_IN6_IS_ADDR_MC_GLOBAL(a) \
00121     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((quint8 *) (a))[1] & 0xf) == 0xe))
00122 
00123 #ifdef NEED_IN6_TESTS
00124 # define IN6_IS_ADDR_UNSPECIFIED    KDE_IN6_IS_ADDR_UNSPECIFIED
00125 # define IN6_IS_ADDR_LOOPBACK       KDE_IN6_IS_ADDR_LOOPBACK
00126 # define IN6_IS_ADDR_MULTICAST      KDE_IN6_IS_ADDR_MULTICAST
00127 # define IN6_IS_ADDR_LINKLOCAL      KDE_IN6_IS_ADDR_LINKLOCAL
00128 # define IN6_IS_ADDR_SITELOCAL      KDE_IN6_IS_ADDR_SITELOCAL
00129 # define IN6_IS_ADDR_V4MAPPED       KDE_IN6_IS_ADDR_V4MAPPED
00130 # define IN6_IS_ADDR_V4COMPAT       KDE_IN6_IS_ADDR_V4COMPAT
00131 # define IN6_ARE_ADDR_EQUAL     KDE_IN6_ARE_ADDR_EQUAL
00132 # define IN6_IS_ADDR_MC_NODELOCAL   KDE_IN6_IS_ADDR_MC_NODELOCAL
00133 # define IN6_IS_ADDR_MC_LINKLOCAL   KDE_IN6_IS_ADDR_MC_LINKLOCAL
00134 # define IN6_IS_ADDR_MC_SITELOCAL   KDE_IN6_IS_ADDR_MC_SITELOCAL
00135 # define IN6_IS_ADDR_MC_ORGLOCAL    KDE_IN6_IS_ADDR_MC_ORGLOCAL
00136 # define IN6_IS_ADDR_MC_GLOBAL      KDE_IN6_IS_ADDR_MC_GLOBAL
00137 #endif
00138 
00139 /* Special internal structure */
00140 
00141 #define KAI_SYSTEM      0   /* data is all-system */
00142 #define KAI_LOCALUNIX       1   /* data contains a Unix addrinfo allocated by us */
00143 #define KAI_QDNS        2   /* data contains data derived from QDns */
00144 
00145 struct addrinfo;        /* forward declaration; this could be needed */
00146 
00155 struct kde_addrinfo
00156 {
00157   struct addrinfo *data;
00158   int origin;
00159 };
00160 
00161 extern KDECORE_EXPORT int kde_getaddrinfo(const char *name, const char *service,
00162                const struct addrinfo* hint,
00163                struct kde_addrinfo** result);
00164 extern KDECORE_EXPORT void kde_freeaddrinfo(struct kde_addrinfo *p);
00165 
00166 #if !defined(HAVE_GETADDRINFO) || defined(HAVE_BROKEN_GETADDRINFO)
00167 
00168 # ifndef HAVE_STRUCT_ADDRINFO
00169 
00172 struct addrinfo
00173 {
00174   int ai_flags;         /* Input flags.  */
00175   int ai_family;        /* Protocol family for socket.  */
00176   int ai_socktype;      /* Socket type.  */
00177   int ai_protocol;      /* Protocol for socket.  */
00178   int ai_addrlen;       /* Length of socket address.  */
00179   struct sockaddr *ai_addr; /* Socket address for socket.  */
00180   char *ai_canonname;       /* Canonical name for service location.  */
00181   struct addrinfo *ai_next; /* Pointer to next in list.  */
00182 };
00183 # endif
00184 
00185 # ifdef AI_PASSIVE
00186 #  undef AI_PASSIVE
00187 #  undef AI_CANONNAME
00188 #  undef AI_NUMERICHOST
00189 # endif
00190 
00191 /* Possible values for `ai_flags' field in `addrinfo' structure.  */
00192 # define AI_PASSIVE 1   /* Socket address is intended for `bind'.  */
00193 # define AI_CANONNAME   2   /* Request for canonical name.  */
00194 # define AI_NUMERICHOST 4   /* Don't use name resolution.  */
00195 
00196 # ifdef EAI_ADDRFAMILY
00197 #  undef EAI_ADDRFAMILY
00198 #  undef EAI_AGAIN
00199 #  undef EAI_BADFLAGS
00200 #  undef EAI_FAIL
00201 #  undef EAI_FAMILY
00202 #  undef EAI_MEMORY
00203 #  undef EAI_NODATA
00204 #  undef EAI_NONAME
00205 #  undef EAI_SERVICE
00206 #  undef EAI_SOCKTYPE
00207 #  undef EAI_SYSTEM
00208 # endif
00209 
00210 /* Error values for `getaddrinfo' function.  */
00211 # ifndef EAI_ADDRFAMILY
00212 #  define EAI_ADDRFAMILY    1   /* Address family for NAME not supported.  */
00213 # endif
00214 # ifndef EAI_AGAIN
00215 #  define EAI_AGAIN 2   /* Temporary failure in name resolution.  */
00216 # endif
00217 # ifndef EAI_BADFLAGS
00218 #  define EAI_BADFLAGS  3   /* Invalid value for `ai_flags' field.  */
00219 # endif
00220 # ifndef EAI_FAIL
00221 #  define EAI_FAIL  4   /* Non-recoverable failure in name res.  */
00222 # endif
00223 # ifndef EAI_FAMILY
00224 #  define EAI_FAMILY    5   /* `ai_family' not supported.  */
00225 # endif
00226 # ifndef EAI_MEMORY
00227 #  define EAI_MEMORY    6   /* Memory allocation failure.  */
00228 # endif
00229 # ifndef EAI_NODATA
00230 #  define EAI_NODATA    7   /* No address associated with NAME.  */
00231 # endif
00232 # ifndef EAI_NONAME
00233 #  define EAI_NONAME    8   /* NAME or SERVICE is unknown.  */
00234 # endif
00235 # ifndef EAI_SERVICE
00236 #  define EAI_SERVICE   9   /* SERVICE not supported for `ai_socktype'.  */
00237 # endif
00238 # ifndef EAI_SOCKTYPE
00239 #  define EAI_SOCKTYPE  10  /* `ai_socktype' not supported.  */
00240 # endif
00241 # ifndef EAI_SYSTEM
00242 #  define EAI_SYSTEM    11  /* System error returned in `errno'.  */
00243 # endif
00244 
00245 /*
00246  * These are specified in the RFC
00247  * We won't undefine them. If someone defined them to a different value
00248  * the preprocessor will generate an error
00249  */
00250 # define NI_MAXHOST 1025
00251 # define NI_MAXSERV 32
00252 
00253 # ifdef NI_NUMERICHOST
00254 #  undef NI_NUMERICHOST
00255 #  undef NI_NUMERICSERV
00256 #  undef NI_NOFQDN
00257 #  undef NI_NAMEREQD
00258 #  undef NI_DGRAM
00259 # endif
00260 
00261 # define NI_NUMERICHOST 1   /* Don't try to look up hostname.  */
00262 # define NI_NUMERICSERV 2   /* Don't convert port number to name.  */
00263 # define NI_NOFQDN  4   /* Only return nodename portion.  */
00264 # define NI_NAMEREQD    8   /* Don't return numeric addresses.  */
00265 # define NI_DGRAM   16  /* Look up UDP service rather than TCP.  */
00266 
00267 # ifdef gai_strerror
00268 #  undef gai_strerror
00269 # endif
00270 
00271 # ifdef getaddrinfo
00272 #  undef getaddrinfo
00273 # endif
00274 
00275 # ifdef freeaddrinfo
00276 #  undef freeaddrinfo
00277 # endif
00278 
00279 # ifdef getnameinfo
00280 #  undef getnameinfo
00281 # endif
00282 
00283 namespace KDE
00284 {
00286   extern KDECORE_EXPORT int getaddrinfo(const char *name, const char *service,
00287              const struct addrinfo* hint,
00288              struct addrinfo** result);
00290   extern KDECORE_EXPORT void freeaddrinfo(struct addrinfo* ai);
00292   extern KDECORE_EXPORT int getnameinfo(const struct sockaddr *sa,
00293              kde_socklen_t salen,
00294              char *host, size_t hostlen,
00295              char *serv, size_t servlen,
00296              int flags);
00297 }
00298 
00299 # ifndef HAVE_GAI_STRERROR_PROTO
00300 
00301 extern KDECORE_EXPORT char *gai_strerror(int errorcode);
00302 # endif
00303   
00304 # define getaddrinfo    KDE::getaddrinfo
00305 # define freeaddrinfo   KDE::freeaddrinfo
00306 # define getnameinfo    KDE::getnameinfo
00307 
00308 
00309 #endif
00310 
00311 #ifndef HAVE_INET_PTON
00312 
00313 namespace KDE
00314 {
00316   extern KDECORE_EXPORT int inet_pton(int af, const char *cp, void* buf);
00317 }
00318 
00319 # define inet_pton  KDE::inet_pton
00320 #endif
00321 
00322 #ifndef HAVE_INET_NTOP
00323 
00324 namespace KDE
00325 {
00327   extern KDECORE_EXPORT const char* inet_ntop(int af, const void *cp, char *buf, size_t len);
00328 }
00329 
00330 # define inet_ntop  KDE::inet_ntop
00331 #endif
00332 
00333 #endif
KDECore

netsupp.h

KDECore

kdelibs
