3 * (c) 1995 Microsoft Corporation. All rights reserved.
4 * Developed by hip communications inc.
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 #define OPEN_SOCKET(x) win32_open_osfhandle(x,O_RDWR|O_BINARY)
33 #define TO_SOCKET(x) _get_osfhandle(x)
35 #define StartSockets() \
41 #define SOCKET_TEST(x, y) \
45 errno = get_last_socket_error(); \
48 #define SOCKET_TEST_ERROR(x) SOCKET_TEST(x, SOCKET_ERROR)
50 static int get_last_socket_error(void);
51 static struct servent* win32_savecopyservent(struct servent*d,
55 static int wsock_started = 0;
64 /* Translate WSAExxx values to corresponding Exxx values where possible. Not all
65 * WSAExxx constants have corresponding Exxx constants in <errno.h> (even in
66 * VC++ 2010 and above, which have expanded <errno.h> with more values), but
67 * most missing constants are provided by win32/include/sys/errno2.h. The few
68 * that are not are returned unchanged.
70 * The list of possible WSAExxx values used here comes from the MSDN page
71 * titled "Windows Sockets Error Codes".
73 * (Note: Only the WSAExxx values are handled here; other WSAxxx values are
74 * returned unchanged. The return value normally ends up in errno/$! and at
75 * the Perl code level may be tested against the Exxx constants exported by
76 * the Errno and POSIX modules, which have never handled the other WSAxxx
77 * values themselves, apparently without any ill effect so far.)
80 convert_wsa_error_to_errno(int wsaerr)
103 case WSAEDESTADDRREQ:
111 case WSAEPROTONOSUPPORT:
112 return EPROTONOSUPPORT;
113 case WSAESOCKTNOSUPPORT:
114 return ESOCKTNOSUPPORT;
117 case WSAEPFNOSUPPORT:
119 case WSAEAFNOSUPPORT:
123 case WSAEADDRNOTAVAIL:
124 return EADDRNOTAVAIL;
131 case WSAECONNABORTED:
143 case WSAETOOMANYREFS:
147 case WSAECONNREFUSED:
151 case WSAENAMETOOLONG:
154 return WSAEHOSTDOWN; /* EHOSTDOWN is not defined */
155 case WSAEHOSTUNREACH:
170 return WSAEDISCON; /* EDISCON is not defined */
172 return WSAENOMORE; /* ENOMORE is not defined */
175 case WSAEINVALIDPROCTABLE:
176 return WSAEINVALIDPROCTABLE; /* EINVALIDPROCTABLE is not defined */
177 case WSAEINVALIDPROVIDER:
178 return WSAEINVALIDPROVIDER; /* EINVALIDPROVIDER is not defined */
179 case WSAEPROVIDERFAILEDINIT:
180 return WSAEPROVIDERFAILEDINIT; /* EPROVIDERFAILEDINIT is not defined */
182 return WSAEREFUSED; /* EREFUSED is not defined */
188 #ifdef ERRNO_HAS_POSIX_SUPPLEMENT
189 /* Translate Exxx values in the POSIX supplement range defined in VC++ 2010 and
190 * above (EADDRINUSE <= err <= EWOULDBLOCK) to corresponding WSAExxx values. Not
191 * all such Exxx constants have corresponding WSAExxx constants in <winsock2.h>;
192 * we just use ERROR_INVALID_FUNCTION for those that are missing but do not
193 * really expect to encounter them anyway in the context in which this function
195 * Other Exxx values (err < sys_nerr) are returned unchanged.
198 convert_errno_to_wsa_error(int err)
202 return WSAEADDRINUSE;
204 return WSAEADDRNOTAVAIL;
206 return WSAEAFNOSUPPORT;
210 return ERROR_INVALID_FUNCTION;
212 return WSAECANCELLED;
214 return WSAECONNABORTED;
216 return WSAECONNREFUSED;
218 return WSAECONNRESET;
220 return WSAEDESTADDRREQ;
222 return WSAEHOSTUNREACH;
224 return ERROR_INVALID_FUNCTION;
226 return WSAEINPROGRESS;
238 return WSAENETUNREACH;
242 return ERROR_INVALID_FUNCTION;
244 return ERROR_INVALID_FUNCTION;
246 return ERROR_INVALID_FUNCTION;
248 return WSAENOPROTOOPT;
250 return ERROR_INVALID_FUNCTION;
252 return ERROR_INVALID_FUNCTION;
255 case ENOTRECOVERABLE:
256 return ERROR_INVALID_FUNCTION;
260 return ERROR_INVALID_FUNCTION;
262 return WSAEOPNOTSUPP;
264 return ERROR_INVALID_FUNCTION;
266 return ERROR_INVALID_FUNCTION;
268 return ERROR_INVALID_FUNCTION;
270 return ERROR_INVALID_FUNCTION;
271 case EPROTONOSUPPORT:
272 return WSAEPROTONOSUPPORT;
274 return WSAEPROTOTYPE;
276 return ERROR_INVALID_FUNCTION;
280 return ERROR_INVALID_FUNCTION;
282 return WSAEWOULDBLOCK;
287 #endif /* ERRNO_HAS_POSIX_SUPPLEMENT */
290 get_last_socket_error(void)
292 return convert_wsa_error_to_errno(WSAGetLastError());
298 unsigned short version;
303 * initalize the winsock interface and insure that it is
304 * cleaned up at exit.
307 if(ret = WSAStartup(version, &retdata))
308 Perl_croak_nocontext("Unable to locate winsock library!\n");
309 if(retdata.wVersion != version)
310 Perl_croak_nocontext("Could not find version 2.0 of winsock dll\n");
312 /* atexit((void (*)(void)) EndSockets); */
316 /* in no sockets Win32 builds, these use the inline functions defined in
320 win32_htonl(u_long hostlong)
322 #ifndef WIN32_NO_SOCKETS
325 return htonl(hostlong);
329 win32_htons(u_short hostshort)
331 #ifndef WIN32_NO_SOCKETS
334 return htons(hostshort);
338 win32_ntohl(u_long netlong)
340 #ifndef WIN32_NO_SOCKETS
343 return ntohl(netlong);
347 win32_ntohs(u_short netshort)
349 #ifndef WIN32_NO_SOCKETS
352 return ntohs(netshort);
358 win32_accept(SOCKET s, struct sockaddr *addr, int *addrlen)
362 SOCKET_TEST((r = accept(TO_SOCKET(s), addr, addrlen)), INVALID_SOCKET);
363 return OPEN_SOCKET(r);
367 win32_bind(SOCKET s, const struct sockaddr *addr, int addrlen)
371 SOCKET_TEST_ERROR(r = bind(TO_SOCKET(s), addr, addrlen));
376 win32_connect(SOCKET s, const struct sockaddr *addr, int addrlen)
380 SOCKET_TEST_ERROR(r = connect(TO_SOCKET(s), addr, addrlen));
386 win32_getpeername(SOCKET s, struct sockaddr *addr, int *addrlen)
390 SOCKET_TEST_ERROR(r = getpeername(TO_SOCKET(s), addr, addrlen));
395 win32_getsockname(SOCKET s, struct sockaddr *addr, int *addrlen)
399 SOCKET_TEST_ERROR(r = getsockname(TO_SOCKET(s), addr, addrlen));
404 win32_getsockopt(SOCKET s, int level, int optname, char *optval, int *optlen)
408 SOCKET_TEST_ERROR(r = getsockopt(TO_SOCKET(s), level, optname, optval, optlen));
413 win32_ioctlsocket(SOCKET s, long cmd, u_long *argp)
417 SOCKET_TEST_ERROR(r = ioctlsocket(TO_SOCKET(s), cmd, argp));
422 win32_listen(SOCKET s, int backlog)
426 SOCKET_TEST_ERROR(r = listen(TO_SOCKET(s), backlog));
431 win32_recv(SOCKET s, char *buf, int len, int flags)
435 SOCKET_TEST_ERROR(r = recv(TO_SOCKET(s), buf, len, flags));
440 win32_recvfrom(SOCKET s, char *buf, int len, int flags, struct sockaddr *from, int *fromlen)
443 int frombufsize = *fromlen;
445 SOCKET_TEST_ERROR(r = recvfrom(TO_SOCKET(s), buf, len, flags, from, fromlen));
446 /* Winsock's recvfrom() only returns a valid 'from' when the socket
447 * is connectionless. Perl expects a valid 'from' for all types
448 * of sockets, so go the extra mile.
450 if (r != SOCKET_ERROR && frombufsize == *fromlen)
451 (void)win32_getpeername(s, from, fromlen);
455 /* select contributed by Vincent R. Slyngstad (vrs@ibeam.intel.com) */
457 win32_select(int nfds, Perl_fd_set* rd, Perl_fd_set* wr, Perl_fd_set* ex, const struct timeval* timeout)
460 int i, fd, save_errno = errno;
461 FD_SET nrd, nwr, nex;
462 bool just_sleep = TRUE;
469 for (i = 0; i < nfds; i++) {
470 if (rd && PERL_FD_ISSET(i,rd)) {
472 FD_SET((unsigned)fd, &nrd);
475 if (wr && PERL_FD_ISSET(i,wr)) {
477 FD_SET((unsigned)fd, &nwr);
480 if (ex && PERL_FD_ISSET(i,ex)) {
482 FD_SET((unsigned)fd, &nex);
487 /* winsock seems incapable of dealing with all three fd_sets being empty,
488 * so do the (millisecond) sleep as a special case
492 Sleep(timeout->tv_sec * 1000 +
493 timeout->tv_usec / 1000); /* do the best we can */
500 SOCKET_TEST_ERROR(r = select(nfds, &nrd, &nwr, &nex, timeout));
503 for (i = 0; i < nfds; i++) {
504 if (rd && PERL_FD_ISSET(i,rd)) {
506 if (!FD_ISSET(fd, &nrd))
509 if (wr && PERL_FD_ISSET(i,wr)) {
511 if (!FD_ISSET(fd, &nwr))
514 if (ex && PERL_FD_ISSET(i,ex)) {
516 if (!FD_ISSET(fd, &nex))
525 win32_send(SOCKET s, const char *buf, int len, int flags)
529 SOCKET_TEST_ERROR(r = send(TO_SOCKET(s), buf, len, flags));
534 win32_sendto(SOCKET s, const char *buf, int len, int flags,
535 const struct sockaddr *to, int tolen)
539 SOCKET_TEST_ERROR(r = sendto(TO_SOCKET(s), buf, len, flags, to, tolen));
544 win32_setsockopt(SOCKET s, int level, int optname, const char *optval, int optlen)
548 SOCKET_TEST_ERROR(r = setsockopt(TO_SOCKET(s), level, optname, optval, optlen));
553 win32_shutdown(SOCKET s, int how)
557 SOCKET_TEST_ERROR(r = shutdown(TO_SOCKET(s), how));
562 win32_closesocket(SOCKET s)
566 SOCKET_TEST_ERROR(r = closesocket(TO_SOCKET(s)));
571 convert_proto_info_w2a(WSAPROTOCOL_INFOW *in, WSAPROTOCOL_INFOA *out)
573 Copy(in, out, 1, WSAPROTOCOL_INFOA);
574 wcstombs(out->szProtocol, in->szProtocol, sizeof(out->szProtocol));
578 open_ifs_socket(int af, int type, int protocol)
582 unsigned long proto_buffers_len = 0;
584 SOCKET out = INVALID_SOCKET;
586 if ((s = PerlEnv_getenv("PERL_ALLOW_NON_IFS_LSP")) && atoi(s))
587 return WSASocket(af, type, protocol, NULL, 0, 0);
589 if (WSCEnumProtocols(NULL, NULL, &proto_buffers_len, &error_code) == SOCKET_ERROR
590 && error_code == WSAENOBUFS)
592 WSAPROTOCOL_INFOW *proto_buffers;
593 int protocols_available = 0;
595 Newx(proto_buffers, proto_buffers_len / sizeof(WSAPROTOCOL_INFOW),
598 if ((protocols_available = WSCEnumProtocols(NULL, proto_buffers,
599 &proto_buffers_len, &error_code)) != SOCKET_ERROR)
602 for (i = 0; i < protocols_available; i++)
604 WSAPROTOCOL_INFOA proto_info;
606 if ((af != AF_UNSPEC && af != proto_buffers[i].iAddressFamily)
607 || (type != proto_buffers[i].iSocketType)
608 || (protocol != 0 && proto_buffers[i].iProtocol != 0 &&
609 protocol != proto_buffers[i].iProtocol))
612 if ((proto_buffers[i].dwServiceFlags1 & XP1_IFS_HANDLES) == 0)
615 convert_proto_info_w2a(&(proto_buffers[i]), &proto_info);
617 out = WSASocket(af, type, protocol, &proto_info, 0, 0);
622 Safefree(proto_buffers);
629 win32_socket(int af, int type, int protocol)
635 if((s = open_ifs_socket(af, type, protocol)) == INVALID_SOCKET)
636 errno = get_last_socket_error();
644 * close RTL fd while respecting sockets
645 * added as temporary measure until PerlIO has real
653 if (!wsock_started) /* No WinSock? */
654 return(close(fd)); /* Then not a socket. */
655 osf = TO_SOCKET(fd);/* Get it now before it's gone! */
658 err = closesocket(osf);
660 (void)close(fd); /* handle already closed, ignore error */
663 else if (err == SOCKET_ERROR) {
664 err = get_last_socket_error();
665 if (err != ENOTSOCK) {
680 if (!wsock_started) /* No WinSock? */
681 return(fclose(pf)); /* Then not a socket. */
682 osf = TO_SOCKET(win32_fileno(pf));/* Get it now before it's gone! */
686 err = closesocket(osf);
688 (void)fclose(pf); /* handle already closed, ignore error */
691 else if (err == SOCKET_ERROR) {
692 err = get_last_socket_error();
693 if (err != ENOTSOCK) {
704 win32_gethostbyaddr(const char *addr, int len, int type)
708 SOCKET_TEST(r = gethostbyaddr(addr, len, type), NULL);
713 win32_gethostbyname(const char *name)
717 SOCKET_TEST(r = gethostbyname(name), NULL);
722 win32_gethostname(char *name, int len)
726 SOCKET_TEST_ERROR(r = gethostname(name, len));
731 win32_getprotobyname(const char *name)
735 SOCKET_TEST(r = getprotobyname(name), NULL);
740 win32_getprotobynumber(int num)
744 SOCKET_TEST(r = getprotobynumber(num), NULL);
749 win32_getservbyname(const char *name, const char *proto)
754 SOCKET_TEST(r = getservbyname(name, proto), NULL);
757 r = win32_savecopyservent(&w32_servent, r, proto);
763 win32_getservbyport(int port, const char *proto)
768 SOCKET_TEST(r = getservbyport(port, proto), NULL);
771 r = win32_savecopyservent(&w32_servent, r, proto);
777 win32_ioctl(int i, unsigned int u, char *data)
782 if (!wsock_started) {
783 Perl_croak_nocontext("ioctl implemented only on sockets");
787 /* mauke says using memcpy avoids alignment issues */
788 memcpy(&u_long_arg, data, sizeof u_long_arg);
789 retval = ioctlsocket(TO_SOCKET(i), (long)u, &u_long_arg);
790 memcpy(data, &u_long_arg, sizeof u_long_arg);
792 if (retval == SOCKET_ERROR) {
793 int err = get_last_socket_error();
794 if (err == ENOTSOCK) {
795 Perl_croak_nocontext("ioctl implemented only on sockets");
804 win32_inet_ntoa(struct in_addr in)
807 return inet_ntoa(in);
811 win32_inet_addr(const char FAR *cp)
814 return inet_addr(cp);
824 win32_croak_not_implemented("endhostent");
830 win32_croak_not_implemented("endnetent");
836 win32_croak_not_implemented("endprotoent");
842 win32_croak_not_implemented("endservent");
847 win32_getnetent(void)
849 win32_croak_not_implemented("getnetent");
850 return (struct netent *) NULL;
854 win32_getnetbyname(char *name)
856 win32_croak_not_implemented("getnetbyname");
857 return (struct netent *)NULL;
861 win32_getnetbyaddr(long net, int type)
863 win32_croak_not_implemented("getnetbyaddr");
864 return (struct netent *)NULL;
868 win32_getprotoent(void)
870 win32_croak_not_implemented("getprotoent");
871 return (struct protoent *) NULL;
875 win32_getservent(void)
877 win32_croak_not_implemented("getservent");
878 return (struct servent *) NULL;
882 win32_sethostent(int stayopen)
884 win32_croak_not_implemented("sethostent");
889 win32_setnetent(int stayopen)
891 win32_croak_not_implemented("setnetent");
896 win32_setprotoent(int stayopen)
898 win32_croak_not_implemented("setprotoent");
903 win32_setservent(int stayopen)
905 win32_croak_not_implemented("setservent");
908 static struct servent*
909 win32_savecopyservent(struct servent*d, struct servent*s, const char *proto)
911 d->s_name = s->s_name;
912 d->s_aliases = s->s_aliases;
913 d->s_port = s->s_port;
914 if (s->s_proto && strlen(s->s_proto))
915 d->s_proto = s->s_proto;
917 if (proto && strlen(proto))
918 d->s_proto = (char *)proto;