3 * (c) 1995 Microsoft Corporation. All rights reserved.
4 * Developed by hip communications inc., http://info.hip.com/info/
5 * Portions (c) 1993 Intergraph Corporation. All rights reserved.
7 * You may distribute under the terms of either the GNU General Public
8 * License or the Artistic License, as specified in the README file.
11 #define WIN32IO_IS_STDIO
12 #define WIN32SCK_IS_STDSCK
13 #define WIN32_LEAN_AND_MEAN
14 #define PERLIO_NOT_STDIO 0
25 #include <sys/socket.h>
31 /* thanks to Beverly Brown (beverly@datacube.com) */
32 #ifdef USE_SOCKETS_AS_HANDLES
33 # define OPEN_SOCKET(x) win32_open_osfhandle(x,O_RDWR|O_BINARY)
34 # define TO_SOCKET(x) _get_osfhandle(x)
36 # define OPEN_SOCKET(x) (x)
37 # define TO_SOCKET(x) (x)
38 #endif /* USE_SOCKETS_AS_HANDLES */
40 #if defined(USE_ITHREADS)
41 #define StartSockets() \
48 #define StartSockets() \
50 if (!wsock_started) { \
57 #define SOCKET_TEST(x, y) \
61 errno = WSAGetLastError(); \
64 #define SOCKET_TEST_ERROR(x) SOCKET_TEST(x, SOCKET_ERROR)
66 static struct servent* win32_savecopyservent(struct servent*d,
70 static int wsock_started = 0;
83 unsigned short version;
88 * initalize the winsock interface and insure that it is
92 if(ret = WSAStartup(version, &retdata))
93 Perl_croak_nocontext("Unable to locate winsock library!\n");
94 if(retdata.wVersion != version)
95 Perl_croak_nocontext("Could not find version 2.0 of winsock dll\n");
97 /* atexit((void (*)(void)) EndSockets); */
107 #ifndef USE_SOCKETS_AS_HANDLES
110 my_fdopen(int fd, char *mode)
114 int optlen = sizeof(sockbuf);
118 return(fdopen(fd, mode));
120 retval = getsockopt((SOCKET)fd, SOL_SOCKET, SO_TYPE, sockbuf, &optlen);
121 if(retval == SOCKET_ERROR && WSAGetLastError() == WSAENOTSOCK) {
122 return(fdopen(fd, mode));
126 * If we get here, then fd is actually a socket.
128 Newz(1310, fp, 1, FILE); /* XXX leak, good thing this code isn't used */
142 #endif /* USE_SOCKETS_AS_HANDLES */
146 win32_htonl(u_long hostlong)
149 return htonl(hostlong);
153 win32_htons(u_short hostshort)
156 return htons(hostshort);
160 win32_ntohl(u_long netlong)
163 return ntohl(netlong);
167 win32_ntohs(u_short netshort)
170 return ntohs(netshort);
176 win32_accept(SOCKET s, struct sockaddr *addr, int *addrlen)
180 SOCKET_TEST((r = accept(TO_SOCKET(s), addr, addrlen)), INVALID_SOCKET);
181 return OPEN_SOCKET(r);
185 win32_bind(SOCKET s, const struct sockaddr *addr, int addrlen)
189 SOCKET_TEST_ERROR(r = bind(TO_SOCKET(s), addr, addrlen));
194 win32_connect(SOCKET s, const struct sockaddr *addr, int addrlen)
198 SOCKET_TEST_ERROR(r = connect(TO_SOCKET(s), addr, addrlen));
204 win32_getpeername(SOCKET s, struct sockaddr *addr, int *addrlen)
208 SOCKET_TEST_ERROR(r = getpeername(TO_SOCKET(s), addr, addrlen));
213 win32_getsockname(SOCKET s, struct sockaddr *addr, int *addrlen)
217 SOCKET_TEST_ERROR(r = getsockname(TO_SOCKET(s), addr, addrlen));
222 win32_getsockopt(SOCKET s, int level, int optname, char *optval, int *optlen)
226 SOCKET_TEST_ERROR(r = getsockopt(TO_SOCKET(s), level, optname, optval, optlen));
231 win32_ioctlsocket(SOCKET s, long cmd, u_long *argp)
235 SOCKET_TEST_ERROR(r = ioctlsocket(TO_SOCKET(s), cmd, argp));
240 win32_listen(SOCKET s, int backlog)
244 SOCKET_TEST_ERROR(r = listen(TO_SOCKET(s), backlog));
249 win32_recv(SOCKET s, char *buf, int len, int flags)
253 SOCKET_TEST_ERROR(r = recv(TO_SOCKET(s), buf, len, flags));
258 win32_recvfrom(SOCKET s, char *buf, int len, int flags, struct sockaddr *from, int *fromlen)
261 int frombufsize = *fromlen;
263 SOCKET_TEST_ERROR(r = recvfrom(TO_SOCKET(s), buf, len, flags, from, fromlen));
264 /* Winsock's recvfrom() only returns a valid 'from' when the socket
265 * is connectionless. Perl expects a valid 'from' for all types
266 * of sockets, so go the extra mile.
268 if (r != SOCKET_ERROR && frombufsize == *fromlen)
269 (void)win32_getpeername(s, from, fromlen);
273 /* select contributed by Vincent R. Slyngstad (vrs@ibeam.intel.com) */
275 win32_select(int nfds, Perl_fd_set* rd, Perl_fd_set* wr, Perl_fd_set* ex, const struct timeval* timeout)
278 #ifdef USE_SOCKETS_AS_HANDLES
280 int i, fd, save_errno = errno;
281 FD_SET nrd, nwr, nex, *prd, *pwr, *pex;
283 /* winsock seems incapable of dealing with all three null fd_sets,
284 * so do the (millisecond) sleep as a special case
286 if (!(rd || wr || ex)) {
288 Sleep(timeout->tv_sec * 1000 +
289 timeout->tv_usec / 1000); /* do the best we can */
295 PERL_FD_ZERO(&dummy);
297 rd = &dummy, prd = NULL;
301 wr = &dummy, pwr = NULL;
305 ex = &dummy, pex = NULL;
312 for (i = 0; i < nfds; i++) {
314 if (PERL_FD_ISSET(i,rd))
316 if (PERL_FD_ISSET(i,wr))
318 if (PERL_FD_ISSET(i,ex))
323 SOCKET_TEST_ERROR(r = select(nfds, prd, pwr, pex, timeout));
326 for (i = 0; i < nfds; i++) {
328 if (PERL_FD_ISSET(i,rd) && !FD_ISSET(fd, &nrd))
330 if (PERL_FD_ISSET(i,wr) && !FD_ISSET(fd, &nwr))
332 if (PERL_FD_ISSET(i,ex) && !FD_ISSET(fd, &nex))
337 SOCKET_TEST_ERROR(r = select(nfds, rd, wr, ex, timeout));
343 win32_send(SOCKET s, const char *buf, int len, int flags)
347 SOCKET_TEST_ERROR(r = send(TO_SOCKET(s), buf, len, flags));
352 win32_sendto(SOCKET s, const char *buf, int len, int flags,
353 const struct sockaddr *to, int tolen)
357 SOCKET_TEST_ERROR(r = sendto(TO_SOCKET(s), buf, len, flags, to, tolen));
362 win32_setsockopt(SOCKET s, int level, int optname, const char *optval, int optlen)
366 SOCKET_TEST_ERROR(r = setsockopt(TO_SOCKET(s), level, optname, optval, optlen));
371 win32_shutdown(SOCKET s, int how)
375 SOCKET_TEST_ERROR(r = shutdown(TO_SOCKET(s), how));
380 win32_closesocket(SOCKET s)
384 SOCKET_TEST_ERROR(r = closesocket(TO_SOCKET(s)));
388 #ifdef USE_SOCKETS_AS_HANDLES
389 #define WIN32_OPEN_SOCKET(af, type, protocol) open_ifs_socket(af, type, protocol)
392 convert_proto_info_w2a(WSAPROTOCOL_INFOW *in, WSAPROTOCOL_INFOA *out)
394 Copy(in, out, 1, WSAPROTOCOL_INFOA);
395 wcstombs(out->szProtocol, in->szProtocol, sizeof(out->szProtocol));
399 open_ifs_socket(int af, int type, int protocol)
401 unsigned long proto_buffers_len = 0;
403 SOCKET out = INVALID_SOCKET;
405 if (WSCEnumProtocols(NULL, NULL, &proto_buffers_len, &error_code) == SOCKET_ERROR
406 && error_code == WSAENOBUFS)
408 WSAPROTOCOL_INFOW *proto_buffers;
409 int protocols_available = 0;
411 New(1, proto_buffers, proto_buffers_len / sizeof(WSAPROTOCOL_INFOW),
414 if ((protocols_available = WSCEnumProtocols(NULL, proto_buffers,
415 &proto_buffers_len, &error_code)) != SOCKET_ERROR)
418 for (i = 0; i < protocols_available; i++)
420 WSAPROTOCOL_INFOA proto_info;
422 if ((af != AF_UNSPEC && af != proto_buffers[i].iAddressFamily)
423 || (type != proto_buffers[i].iSocketType)
424 || (protocol != 0 && protocol != proto_buffers[i].iProtocol))
427 if ((proto_buffers[i].dwServiceFlags1 & XP1_IFS_HANDLES) == 0)
430 convert_proto_info_w2a(&(proto_buffers[i]), &proto_info);
432 out = WSASocket(af, type, protocol, &proto_info, 0, 0);
437 Safefree(proto_buffers);
444 #define WIN32_OPEN_SOCKET(af, type, protocol) socket(af, type, protocol)
448 win32_socket(int af, int type, int protocol)
452 #ifndef USE_SOCKETS_AS_HANDLES
453 SOCKET_TEST(s = socket(af, type, protocol), INVALID_SOCKET);
457 if((s = WIN32_OPEN_SOCKET(af, type, protocol)) == INVALID_SOCKET)
458 errno = WSAGetLastError();
461 #endif /* USE_SOCKETS_AS_HANDLES */
467 * close RTL fd while respecting sockets
468 * added as temporary measure until PerlIO has real
476 if (!wsock_started) /* No WinSock? */
477 return(close(fd)); /* Then not a socket. */
478 osf = TO_SOCKET(fd);/* Get it now before it's gone! */
481 err = closesocket(osf);
483 #if defined(USE_FIXED_OSFHANDLE) || defined(PERL_MSVCRT_READFIX)
484 _set_osfhnd(fd, INVALID_HANDLE_VALUE);
486 (void)close(fd); /* handle already closed, ignore error */
489 else if (err == SOCKET_ERROR) {
490 err = WSAGetLastError();
491 if (err != WSAENOTSOCK) {
506 if (!wsock_started) /* No WinSock? */
507 return(fclose(pf)); /* Then not a socket. */
508 osf = TO_SOCKET(win32_fileno(pf));/* Get it now before it's gone! */
512 err = closesocket(osf);
514 #if defined(USE_FIXED_OSFHANDLE) || defined(PERL_MSVCRT_READFIX)
515 _set_osfhnd(win32_fileno(pf), INVALID_HANDLE_VALUE);
517 (void)fclose(pf); /* handle already closed, ignore error */
520 else if (err == SOCKET_ERROR) {
521 err = WSAGetLastError();
522 if (err != WSAENOTSOCK) {
534 my_fstat(int fd, Stat_t *sbufptr)
536 /* This fixes a bug in fstat() on Windows 9x. fstat() uses the
537 * GetFileType() win32 syscall, which will fail on Windows 9x.
538 * So if we recognize a socket on Windows 9x, we return the
539 * same results as on Windows NT/2000.
540 * XXX this should be extended further to set S_IFSOCK on
544 if (!wsock_started || IsWinNT()) {
545 #if defined(WIN64) || defined(USE_LARGE_FILES)
546 #if defined(__BORLANDC__) /* buk */
547 return win32_fstat(fd, sbufptr );
549 return _fstati64(fd, sbufptr);
552 return fstat(fd, sbufptr);
559 int optlen = sizeof(sockbuf);
562 retval = getsockopt((SOCKET)osf, SOL_SOCKET, SO_TYPE, sockbuf, &optlen);
563 if (retval != SOCKET_ERROR || WSAGetLastError() != WSAENOTSOCK) {
564 #if defined(__BORLANDC__)&&(__BORLANDC__<=0x520)
565 sbufptr->st_mode = S_IFIFO;
567 sbufptr->st_mode = _S_IFIFO;
569 sbufptr->st_rdev = sbufptr->st_dev = (dev_t)fd;
570 sbufptr->st_nlink = 1;
571 sbufptr->st_uid = sbufptr->st_gid = sbufptr->st_ino = 0;
572 sbufptr->st_atime = sbufptr->st_mtime = sbufptr->st_ctime = 0;
573 sbufptr->st_size = (Off_t)0;
577 #if defined(WIN64) || defined(USE_LARGE_FILES)
578 #if defined(__BORLANDC__) /* buk */
579 return win32_fstat(fd, sbufptr );
581 return _fstati64(fd, sbufptr);
584 return fstat(fd, sbufptr);
589 win32_gethostbyaddr(const char *addr, int len, int type)
593 SOCKET_TEST(r = gethostbyaddr(addr, len, type), NULL);
598 win32_gethostbyname(const char *name)
602 SOCKET_TEST(r = gethostbyname(name), NULL);
607 win32_gethostname(char *name, int len)
611 SOCKET_TEST_ERROR(r = gethostname(name, len));
616 win32_getprotobyname(const char *name)
620 SOCKET_TEST(r = getprotobyname(name), NULL);
625 win32_getprotobynumber(int num)
629 SOCKET_TEST(r = getprotobynumber(num), NULL);
634 win32_getservbyname(const char *name, const char *proto)
639 SOCKET_TEST(r = getservbyname(name, proto), NULL);
641 r = win32_savecopyservent(&w32_servent, r, proto);
647 win32_getservbyport(int port, const char *proto)
652 SOCKET_TEST(r = getservbyport(port, proto), NULL);
654 r = win32_savecopyservent(&w32_servent, r, proto);
660 win32_ioctl(int i, unsigned int u, char *data)
663 u_long argp = (u_long)data;
666 if (!wsock_started) {
667 Perl_croak_nocontext("ioctl implemented only on sockets");
671 retval = ioctlsocket(TO_SOCKET(i), (long)u, &argp);
672 if (retval == SOCKET_ERROR) {
673 if (WSAGetLastError() == WSAENOTSOCK) {
674 Perl_croak_nocontext("ioctl implemented only on sockets");
677 errno = WSAGetLastError();
683 win32_inet_ntoa(struct in_addr in)
686 return inet_ntoa(in);
690 win32_inet_addr(const char FAR *cp)
693 return inet_addr(cp);
704 Perl_croak_nocontext("endhostent not implemented!\n");
711 Perl_croak_nocontext("endnetent not implemented!\n");
718 Perl_croak_nocontext("endprotoent not implemented!\n");
725 Perl_croak_nocontext("endservent not implemented!\n");
730 win32_getnetent(void)
733 Perl_croak_nocontext("getnetent not implemented!\n");
734 return (struct netent *) NULL;
738 win32_getnetbyname(char *name)
741 Perl_croak_nocontext("getnetbyname not implemented!\n");
742 return (struct netent *)NULL;
746 win32_getnetbyaddr(long net, int type)
749 Perl_croak_nocontext("getnetbyaddr not implemented!\n");
750 return (struct netent *)NULL;
754 win32_getprotoent(void)
757 Perl_croak_nocontext("getprotoent not implemented!\n");
758 return (struct protoent *) NULL;
762 win32_getservent(void)
765 Perl_croak_nocontext("getservent not implemented!\n");
766 return (struct servent *) NULL;
770 win32_sethostent(int stayopen)
773 Perl_croak_nocontext("sethostent not implemented!\n");
778 win32_setnetent(int stayopen)
781 Perl_croak_nocontext("setnetent not implemented!\n");
786 win32_setprotoent(int stayopen)
789 Perl_croak_nocontext("setprotoent not implemented!\n");
794 win32_setservent(int stayopen)
797 Perl_croak_nocontext("setservent not implemented!\n");
800 static struct servent*
801 win32_savecopyservent(struct servent*d, struct servent*s, const char *proto)
803 d->s_name = s->s_name;
804 d->s_aliases = s->s_aliases;
805 d->s_port = s->s_port;
806 #ifndef __BORLANDC__ /* Buggy on Win95 and WinNT-with-Borland-WSOCK */
807 if (!IsWin95() && s->s_proto && strlen(s->s_proto))
808 d->s_proto = s->s_proto;
811 if (proto && strlen(proto))
812 d->s_proto = (char *)proto;