290 lines
7.0 KiB
C
290 lines
7.0 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2006-2014 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <qse/si/nwad.h>
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#include <qse/cmn/mbwc.h>
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#include "../cmn/mem-prv.h"
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#if defined(_WIN32)
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# include <winsock2.h>
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# include <ws2tcpip.h> /* sockaddr_in6 */
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# include <windows.h>
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# undef AF_UNIX
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# if defined(__WATCOMC__) && (__WATCOMC__ < 1200)
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/* the header files shipped with watcom 11 doesn't contain
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* proper inet6 support. note using the compiler version
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* in the contidional isn't that good idea since you
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* can use newer header files with this old compiler.
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* never mind it for the time being.
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*/
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# undef AF_INET6
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# endif
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#elif defined(__OS2__)
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# include <types.h>
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# include <sys/socket.h>
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# include <netinet/in.h>
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/* though AF_INET6 is defined, there is no support
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* for it. so undefine it */
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# undef AF_INET6
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# undef AF_UNIX
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# pragma library("tcpip32.lib")
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#elif defined(__DOS__)
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# include <tcp.h> /* watt-32 */
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# undef AF_UNIX
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#else
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# if defined(HAVE_SYS_TYPES_H)
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# include <sys/types.h>
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# endif
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# include <sys/socket.h>
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# include <netinet/in.h>
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# if defined(HAVE_SYS_UN_H)
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# include <sys/un.h>
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# endif
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# if defined(HAVE_NETPACKET_PACKET_H)
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# include <netpacket/packet.h>
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# endif
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# if defined(HAVE_NET_IF_DL_H)
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# include <net/if_dl.h>
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# endif
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# if defined(QSE_SIZEOF_STRUCT_SOCKADDR_IN6) && (QSE_SIZEOF_STRUCT_SOCKADDR_IN6 <= 0)
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# undef AF_INET6
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# endif
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# if defined(QSE_SIZEOF_STRUCT_SOCKADDR_UN) && (QSE_SIZEOF_STRUCT_SOCKADDR_UN <= 0)
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# undef AF_UNIX
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# endif
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#endif
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union sockaddr_t
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{
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struct sockaddr sa;
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#if (QSE_SIZEOF_STRUCT_SOCKADDR_IN > 0)
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struct sockaddr_in in4;
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#endif
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#if (QSE_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
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struct sockaddr_in6 in6;
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#endif
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#if (QSE_SIZEOF_STRUCT_SOCKADDR_UN > 0)
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struct sockaddr_un un;
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#endif
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#if (QSE_SIZEOF_STRUCT_SOCKADDR_LL > 0)
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struct sockaddr_ll ll;
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#endif
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};
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typedef union sockaddr_t sockaddr_t;
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#define FAMILY(x) (((struct sockaddr*)(x))->sa_family)
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static QSE_INLINE int skad_to_nwad (const sockaddr_t* skad, qse_nwad_t* nwad)
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{
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int addrsize = -1;
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switch (FAMILY(skad))
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{
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#if defined(AF_INET)
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case AF_INET:
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{
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struct sockaddr_in* in;
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in = (struct sockaddr_in*)skad;
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addrsize = QSE_SIZEOF(*in);
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QSE_MEMSET (nwad, 0, QSE_SIZEOF(*nwad));
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nwad->type = QSE_NWAD_IN4;
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nwad->u.in4.addr.value = in->sin_addr.s_addr;
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nwad->u.in4.port = in->sin_port;
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break;
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}
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#endif
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#if defined(AF_INET6)
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case AF_INET6:
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{
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struct sockaddr_in6* in;
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in = (struct sockaddr_in6*)skad;
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addrsize = QSE_SIZEOF(*in);
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QSE_MEMSET (nwad, 0, QSE_SIZEOF(*nwad));
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nwad->type = QSE_NWAD_IN6;
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QSE_MEMCPY (&nwad->u.in6.addr, &in->sin6_addr, QSE_SIZEOF(nwad->u.in6.addr));
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#if defined(HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID)
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nwad->u.in6.scope = in->sin6_scope_id;
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#endif
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nwad->u.in6.port = in->sin6_port;
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break;
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}
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#endif
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#if defined(AF_UNIX)
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case AF_UNIX:
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{
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struct sockaddr_un* un;
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un = (struct sockaddr_un*)skad;
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addrsize = QSE_SIZEOF(*un);
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QSE_MEMSET (nwad, 0, QSE_SIZEOF(*nwad));
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nwad->type = QSE_NWAD_LOCAL;
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#if defined(QSE_CHAR_IS_MCHAR)
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qse_mbsxcpy (nwad->u.local.path, QSE_COUNTOF(nwad->u.local.path), un->sun_path);
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#else
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{
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qse_size_t wcslen, mbslen;
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wcslen = QSE_COUNTOF(nwad->u.local.path);
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qse_mbstowcs (un->sun_path, &mbslen, nwad->u.local.path, &wcslen);
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/* don't care about conversion errors */
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}
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#endif
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break;
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}
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#endif
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default:
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break;
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}
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return addrsize;
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}
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static QSE_INLINE int nwad_to_skad (const qse_nwad_t* nwad, sockaddr_t* skad)
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{
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int addrsize = -1;
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switch (nwad->type)
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{
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case QSE_NWAD_IN4:
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{
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#if defined(AF_INET)
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struct sockaddr_in* in;
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in = (struct sockaddr_in*)skad;
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addrsize = QSE_SIZEOF(*in);
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QSE_MEMSET (in, 0, addrsize);
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in->sin_family = AF_INET;
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in->sin_addr.s_addr = nwad->u.in4.addr.value;
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in->sin_port = nwad->u.in4.port;
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#endif
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break;
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}
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case QSE_NWAD_IN6:
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{
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#if defined(AF_INET6)
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struct sockaddr_in6* in;
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in = (struct sockaddr_in6*)skad;
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addrsize = QSE_SIZEOF(*in);
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QSE_MEMSET (in, 0, addrsize);
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in->sin6_family = AF_INET6;
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QSE_MEMCPY (&in->sin6_addr, &nwad->u.in6.addr, QSE_SIZEOF(nwad->u.in6.addr));
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#if defined(HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID)
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in->sin6_scope_id = nwad->u.in6.scope;
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#endif
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in->sin6_port = nwad->u.in6.port;
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#endif
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break;
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}
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case QSE_NWAD_LOCAL:
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{
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#if defined(AF_UNIX)
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struct sockaddr_un* un;
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un = (struct sockaddr_un*)skad;
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addrsize = QSE_SIZEOF(*un);
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QSE_MEMSET (un, 0, addrsize);
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un->sun_family = AF_UNIX;
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#if defined(QSE_CHAR_IS_MCHAR)
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qse_mbsxcpy (un->sun_path, QSE_COUNTOF(un->sun_path), nwad->u.local.path);
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#else
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{
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qse_size_t wcslen, mbslen;
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mbslen = QSE_COUNTOF(un->sun_path);
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qse_wcstombs (nwad->u.local.path, &wcslen, un->sun_path, &mbslen);
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/* don't care about conversion errors */
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}
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#endif
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#endif
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break;
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}
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}
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return addrsize;
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}
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int qse_skadtonwad (const qse_skad_t* skad, qse_nwad_t* nwad)
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{
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QSE_ASSERT (QSE_SIZEOF(*skad) >= QSE_SIZEOF(sockaddr_t));
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return skad_to_nwad ((const sockaddr_t*)skad, nwad);
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}
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int qse_nwadtoskad (const qse_nwad_t* nwad, qse_skad_t* skad)
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{
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QSE_ASSERT (QSE_SIZEOF(*skad) >= QSE_SIZEOF(sockaddr_t));
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return nwad_to_skad (nwad, (sockaddr_t*)skad);
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}
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int qse_skadfamily (const qse_skad_t* skad)
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{
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QSE_ASSERT (QSE_SIZEOF(*skad) >= QSE_SIZEOF(sockaddr_t));
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return FAMILY(skad);
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}
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int qse_skadsize (const qse_skad_t* skad)
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{
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sockaddr_t* sa = (sockaddr_t*)skad;
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QSE_ASSERT (QSE_SIZEOF(*skad) >= QSE_SIZEOF(*sa));
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switch (FAMILY(skad))
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{
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#if defined(AF_INET)
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case AF_INET: return QSE_SIZEOF(sa->in4);
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#endif
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#if defined(AF_INET6)
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case AF_INET6: return QSE_SIZEOF(sa->in6);
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#endif
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#if defined(AF_UNIX)
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case AF_UNIX: return QSE_SIZEOF(sa->un);
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#endif
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#if defined(AF_PACKET)
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case AF_PACKET: return QSE_SIZEOF(sa->ll);
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#endif
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}
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return 0;
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}
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