?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
[System] Use GZipStream from corefx
[mono-project.git] / mono / metadata / socket-io.c
blob606eff3692d1c26e6c00076f2826d54e1ed14978
1 /*
2 * socket-io.c: Socket IO internal calls
3 *
4 * Authors:
5 * Dick Porter (dick@ximian.com)
6 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
7 *
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
10 *
11 * This file has been re-licensed under the MIT License:
12 * http://opensource.org/licenses/MIT
13 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
14 */
15
16 #include <config.h>
17
18 #ifndef DISABLE_SOCKETS
19
20 #if defined(__APPLE__) || defined(__FreeBSD__)
21 #define __APPLE_USE_RFC_3542
22 #endif
23
24 #include <glib.h>
25 #include <string.h>
26 #include <stdlib.h>
27 #ifdef HOST_WIN32
28 #include <ws2tcpip.h>
29 #else
30 #include <sys/socket.h>
31 #ifdef HAVE_SYS_IOCTL_H
32 #include <sys/ioctl.h>
33 #endif
34 #include <netinet/in.h>
35 #include <netinet/tcp.h>
36 #ifdef HAVE_NETDB_H
37 #include <netdb.h>
38 #endif
39 #include <arpa/inet.h>
40 #endif
41 #ifdef HAVE_UNISTD_H
42 #include <unistd.h>
43 #endif
44 #include <errno.h>
45
46 #include <sys/types.h>
47
48 #include <mono/metadata/object.h>
49 #include <mono/io-layer/io-layer.h>
50 #include <mono/metadata/socket-io.h>
51 #include <mono/metadata/exception.h>
52 #include <mono/metadata/assembly.h>
53 #include <mono/metadata/appdomain.h>
54 #include <mono/metadata/file-io.h>
55 #include <mono/metadata/threads.h>
56 #include <mono/metadata/threads-types.h>
57 #include <mono/metadata/threadpool-io.h>
58 #include <mono/utils/mono-poll.h>
59 /* FIXME change this code to not mess so much with the internals */
60 #include <mono/metadata/class-internals.h>
61 #include <mono/metadata/domain-internals.h>
62 #include <mono/utils/mono-threads.h>
63 #include <mono/utils/mono-memory-model.h>
64 #include <mono/utils/networking.h>
65 #include <mono/metadata/w32handle.h>
66
67 #include <time.h>
68 #ifdef HAVE_SYS_TIME_H
69 #include <sys/time.h>
70 #endif
71 #ifdef HAVE_SYS_IOCTL_H
72 #include <sys/ioctl.h>
73 #endif
74 #ifdef HAVE_NET_IF_H
75 #include <net/if.h>
76 #endif
77
78 #ifdef HAVE_NETDB_H
79 #include <netdb.h>
80 #endif
81 #ifdef HAVE_SYS_FILIO_H
82 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
83 #endif
84 #ifdef HAVE_SYS_SOCKIO_H
85 #include <sys/sockio.h> /* defines SIOCATMARK */
86 #endif
87 #ifdef HAVE_SYS_UN_H
88 #include <sys/un.h>
89 #endif
90
91 #ifdef HAVE_GETIFADDRS
92 // <net/if.h> must be included before <ifaddrs.h>
93 #include <ifaddrs.h>
94 #endif
95
96 #if defined(_MSC_VER) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
97 #include <MSWSock.h>
98 #endif
99
100 #include "mono/io-layer/socket-wrappers.h"
101 #ifdef HOST_WIN32
102 #include "mono/metadata/socket-io-windows-internals.h"
103 #endif
104
105 #define LOGDEBUG(...)
106 /* define LOGDEBUG(...) g_message(__VA_ARGS__) */
107
108 static void
109 abort_syscall (gpointer data)
110 {
111 mono_thread_info_abort_socket_syscall_for_close ((MonoNativeThreadId) (gsize) data);
112 }
113
114 static gint32
115 convert_family (MonoAddressFamily mono_family)
116 {
117 switch (mono_family) {
118 case AddressFamily_Unknown:
119 case AddressFamily_ImpLink:
120 case AddressFamily_Pup:
121 case AddressFamily_Chaos:
122 case AddressFamily_Iso:
123 case AddressFamily_Ecma:
124 case AddressFamily_DataKit:
125 case AddressFamily_Ccitt:
126 case AddressFamily_DataLink:
127 case AddressFamily_Lat:
128 case AddressFamily_HyperChannel:
129 case AddressFamily_NetBios:
130 case AddressFamily_VoiceView:
131 case AddressFamily_FireFox:
132 case AddressFamily_Banyan:
133 case AddressFamily_Atm:
134 case AddressFamily_Cluster:
135 case AddressFamily_Ieee12844:
136 case AddressFamily_NetworkDesigners:
137 g_warning ("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
138 return -1;
139 case AddressFamily_Unspecified:
140 return AF_UNSPEC;
141 case AddressFamily_Unix:
142 return AF_UNIX;
143 case AddressFamily_InterNetwork:
144 return AF_INET;
145 case AddressFamily_AppleTalk:
146 return AF_APPLETALK;
147 case AddressFamily_InterNetworkV6:
148 return AF_INET6;
149 case AddressFamily_DecNet:
150 #ifdef AF_DECnet
151 return AF_DECnet;
152 #else
153 return -1;
154 #endif
155 case AddressFamily_Ipx:
156 #ifdef AF_IPX
157 return AF_IPX;
158 #else
159 return -1;
160 #endif
161 case AddressFamily_Sna:
162 #ifdef AF_SNA
163 return AF_SNA;
164 #else
165 return -1;
166 #endif
167 case AddressFamily_Irda:
168 #ifdef AF_IRDA
169 return AF_IRDA;
170 #else
171 return -1;
172 #endif
173 default:
174 g_warning ("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
175 return -1;
176 }
177 }
178
179 static MonoAddressFamily
180 convert_to_mono_family (guint16 af_family)
181 {
182 switch (af_family) {
183 case AF_UNSPEC:
184 return AddressFamily_Unspecified;
185 case AF_UNIX:
186 return AddressFamily_Unix;
187 case AF_INET:
188 return AddressFamily_InterNetwork;
189 #ifdef AF_IPX
190 case AF_IPX:
191 return AddressFamily_Ipx;
192 #endif
193 #ifdef AF_SNA
194 case AF_SNA:
195 return AddressFamily_Sna;
196 #endif
197 #ifdef AF_DECnet
198 case AF_DECnet:
199 return AddressFamily_DecNet;
200 #endif
201 case AF_APPLETALK:
202 return AddressFamily_AppleTalk;
203 case AF_INET6:
204 return AddressFamily_InterNetworkV6;
205 #ifdef AF_IRDA
206 case AF_IRDA:
207 return AddressFamily_Irda;
208 #endif
209 default:
210 g_warning ("unknown address family 0x%x", af_family);
211 return AddressFamily_Unknown;
212 }
213 }
214
215 static gint32
216 convert_type (MonoSocketType mono_type)
217 {
218 switch (mono_type) {
219 case SocketType_Stream:
220 return SOCK_STREAM;
221 case SocketType_Dgram:
222 return SOCK_DGRAM;
223 case SocketType_Raw:
224 return SOCK_RAW;
225 case SocketType_Rdm:
226 #ifdef SOCK_RDM
227 return SOCK_RDM;
228 #else
229 return -1;
230 #endif
231 case SocketType_Seqpacket:
232 return SOCK_SEQPACKET;
233 case SocketType_Unknown:
234 g_warning ("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
235 return -1;
236 default:
237 g_warning ("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
238 return -1;
239 }
240 }
241
242 static gint32
243 convert_proto (MonoProtocolType mono_proto)
244 {
245 switch (mono_proto) {
246 case ProtocolType_IP:
247 case ProtocolType_IPv6:
248 case ProtocolType_Icmp:
249 case ProtocolType_Igmp:
250 case ProtocolType_Ggp:
251 case ProtocolType_Tcp:
252 case ProtocolType_Pup:
253 case ProtocolType_Udp:
254 case ProtocolType_Idp:
255 /* These protocols are known (on my system at least) */
256 return mono_proto;
257 case ProtocolType_ND:
258 case ProtocolType_Raw:
259 case ProtocolType_Ipx:
260 case ProtocolType_Spx:
261 case ProtocolType_SpxII:
262 case ProtocolType_Unknown:
263 /* These protocols arent */
264 g_warning ("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
265 return -1;
266 default:
267 return -1;
268 }
269 }
270
271 /* Convert MonoSocketFlags */
272 static gint32
273 convert_socketflags (gint32 sflags)
274 {
275 gint32 flags = 0;
276
277 if (!sflags)
278 /* SocketFlags.None */
279 return 0;
280
281 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
282 SocketFlags_DontRoute | SocketFlags_Partial))
283 /* Contains invalid flag values */
284 return -1;
285
286 if (sflags & SocketFlags_OutOfBand)
287 flags |= MSG_OOB;
288 if (sflags & SocketFlags_Peek)
289 flags |= MSG_PEEK;
290 if (sflags & SocketFlags_DontRoute)
291 flags |= MSG_DONTROUTE;
292
293 /* Ignore Partial - see bug 349688. Don't return -1, because
294 * according to the comment in that bug ms runtime doesn't for
295 * UDP sockets (this means we will silently ignore it for TCP
296 * too)
297 */
298 #ifdef MSG_MORE
299 if (sflags & SocketFlags_Partial)
300 flags |= MSG_MORE;
301 #endif
302 #if 0
303 /* Don't do anything for MaxIOVectorLength */
304 if (sflags & SocketFlags_MaxIOVectorLength)
305 return -1;
306 #endif
307 return flags;
308 }
309
310 /*
311 * Returns:
312 * 0 on success (mapped mono_level and mono_name to system_level and system_name
313 * -1 on error
314 * -2 on non-fatal error (ie, must ignore)
315 */
316 static gint32
317 convert_sockopt_level_and_name (MonoSocketOptionLevel mono_level, MonoSocketOptionName mono_name, int *system_level, int *system_name)
318 {
319 switch (mono_level) {
320 case SocketOptionLevel_Socket:
321 *system_level = SOL_SOCKET;
322
323 switch (mono_name) {
324 case SocketOptionName_DontLinger:
325 /* This is SO_LINGER, because the setsockopt
326 * internal call maps DontLinger to SO_LINGER
327 * with l_onoff=0
328 */
329 *system_name = SO_LINGER;
330 break;
331 case SocketOptionName_Debug:
332 *system_name = SO_DEBUG;
333 break;
334 #ifdef SO_ACCEPTCONN
335 case SocketOptionName_AcceptConnection:
336 *system_name = SO_ACCEPTCONN;
337 break;
338 #endif
339 case SocketOptionName_ReuseAddress:
340 *system_name = SO_REUSEADDR;
341 break;
342 case SocketOptionName_KeepAlive:
343 *system_name = SO_KEEPALIVE;
344 break;
345 case SocketOptionName_DontRoute:
346 *system_name = SO_DONTROUTE;
347 break;
348 case SocketOptionName_Broadcast:
349 *system_name = SO_BROADCAST;
350 break;
351 case SocketOptionName_Linger:
352 *system_name = SO_LINGER;
353 break;
354 case SocketOptionName_OutOfBandInline:
355 *system_name = SO_OOBINLINE;
356 break;
357 case SocketOptionName_SendBuffer:
358 *system_name = SO_SNDBUF;
359 break;
360 case SocketOptionName_ReceiveBuffer:
361 *system_name = SO_RCVBUF;
362 break;
363 case SocketOptionName_SendLowWater:
364 *system_name = SO_SNDLOWAT;
365 break;
366 case SocketOptionName_ReceiveLowWater:
367 *system_name = SO_RCVLOWAT;
368 break;
369 case SocketOptionName_SendTimeout:
370 *system_name = SO_SNDTIMEO;
371 break;
372 case SocketOptionName_ReceiveTimeout:
373 *system_name = SO_RCVTIMEO;
374 break;
375 case SocketOptionName_Error:
376 *system_name = SO_ERROR;
377 break;
378 case SocketOptionName_Type:
379 *system_name = SO_TYPE;
380 break;
381 #ifdef SO_PEERCRED
382 case SocketOptionName_PeerCred:
383 *system_name = SO_PEERCRED;
384 break;
385 #endif
386 case SocketOptionName_ExclusiveAddressUse:
387 #ifdef SO_EXCLUSIVEADDRUSE
388 *system_name = SO_EXCLUSIVEADDRUSE;
389 break;
390 #endif
391 case SocketOptionName_UseLoopback:
392 #ifdef SO_USELOOPBACK
393 *system_name = SO_USELOOPBACK;
394 break;
395 #endif
396 case SocketOptionName_MaxConnections:
397 #ifdef SO_MAXCONN
398 *system_name = SO_MAXCONN;
399 break;
400 #elif defined(SOMAXCONN)
401 *system_name = SOMAXCONN;
402 break;
403 #endif
404 default:
405 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
406 return -1;
407 }
408 break;
409
410 case SocketOptionLevel_IP:
411 *system_level = mono_networking_get_ip_protocol ();
412
413 switch (mono_name) {
414 case SocketOptionName_IPOptions:
415 *system_name = IP_OPTIONS;
416 break;
417 #ifdef IP_HDRINCL
418 case SocketOptionName_HeaderIncluded:
419 *system_name = IP_HDRINCL;
420 break;
421 #endif
422 #ifdef IP_TOS
423 case SocketOptionName_TypeOfService:
424 *system_name = IP_TOS;
425 break;
426 #endif
427 #ifdef IP_TTL
428 case SocketOptionName_IpTimeToLive:
429 *system_name = IP_TTL;
430 break;
431 #endif
432 case SocketOptionName_MulticastInterface:
433 *system_name = IP_MULTICAST_IF;
434 break;
435 case SocketOptionName_MulticastTimeToLive:
436 *system_name = IP_MULTICAST_TTL;
437 break;
438 case SocketOptionName_MulticastLoopback:
439 *system_name = IP_MULTICAST_LOOP;
440 break;
441 case SocketOptionName_AddMembership:
442 *system_name = IP_ADD_MEMBERSHIP;
443 break;
444 case SocketOptionName_DropMembership:
445 *system_name = IP_DROP_MEMBERSHIP;
446 break;
447 #ifdef HAVE_IP_PKTINFO
448 case SocketOptionName_PacketInformation:
449 *system_name = IP_PKTINFO;
450 break;
451 #endif /* HAVE_IP_PKTINFO */
452
453 case SocketOptionName_DontFragment:
454 #ifdef HAVE_IP_DONTFRAGMENT
455 *system_name = IP_DONTFRAGMENT;
456 break;
457 #elif defined HAVE_IP_MTU_DISCOVER
458 /* Not quite the same */
459 *system_name = IP_MTU_DISCOVER;
460 break;
461 #else
462 /* If the flag is not available on this system, we can ignore this error */
463 return -2;
464 #endif /* HAVE_IP_DONTFRAGMENT */
465 case SocketOptionName_AddSourceMembership:
466 case SocketOptionName_DropSourceMembership:
467 case SocketOptionName_BlockSource:
468 case SocketOptionName_UnblockSource:
469 /* Can't figure out how to map these, so fall
470 * through
471 */
472 default:
473 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
474 return -1;
475 }
476 break;
477
478 case SocketOptionLevel_IPv6:
479 *system_level = mono_networking_get_ipv6_protocol ();
480
481 switch (mono_name) {
482 case SocketOptionName_IpTimeToLive:
483 case SocketOptionName_HopLimit:
484 *system_name = IPV6_UNICAST_HOPS;
485 break;
486 case SocketOptionName_MulticastInterface:
487 *system_name = IPV6_MULTICAST_IF;
488 break;
489 case SocketOptionName_MulticastTimeToLive:
490 *system_name = IPV6_MULTICAST_HOPS;
491 break;
492 case SocketOptionName_MulticastLoopback:
493 *system_name = IPV6_MULTICAST_LOOP;
494 break;
495 case SocketOptionName_AddMembership:
496 *system_name = IPV6_JOIN_GROUP;
497 break;
498 case SocketOptionName_DropMembership:
499 *system_name = IPV6_LEAVE_GROUP;
500 break;
501 case SocketOptionName_IPv6Only:
502 #ifdef IPV6_V6ONLY
503 *system_name = IPV6_V6ONLY;
504 #else
505 return -1;
506 #endif
507 break;
508 case SocketOptionName_PacketInformation:
509 #ifdef HAVE_IPV6_PKTINFO
510 *system_name = IPV6_PKTINFO;
511 #endif
512 break;
513 case SocketOptionName_HeaderIncluded:
514 case SocketOptionName_IPOptions:
515 case SocketOptionName_TypeOfService:
516 case SocketOptionName_DontFragment:
517 case SocketOptionName_AddSourceMembership:
518 case SocketOptionName_DropSourceMembership:
519 case SocketOptionName_BlockSource:
520 case SocketOptionName_UnblockSource:
521 /* Can't figure out how to map these, so fall
522 * through
523 */
524 default:
525 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
526 return -1;
527 }
528 break; /* SocketOptionLevel_IPv6 */
529
530 case SocketOptionLevel_Tcp:
531 *system_level = mono_networking_get_tcp_protocol ();
532
533 switch (mono_name) {
534 case SocketOptionName_NoDelay:
535 *system_name = TCP_NODELAY;
536 break;
537 #if 0
538 /* The documentation is talking complete
539 * bollocks here: rfc-1222 is titled
540 * 'Advancing the NSFNET Routing Architecture'
541 * and doesn't mention either of the words
542 * "expedite" or "urgent".
543 */
544 case SocketOptionName_BsdUrgent:
545 case SocketOptionName_Expedited:
546 #endif
547 default:
548 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
549 return -1;
550 }
551 break;
552
553 case SocketOptionLevel_Udp:
554 g_warning ("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
555
556 switch(mono_name) {
557 case SocketOptionName_NoChecksum:
558 case SocketOptionName_ChecksumCoverage:
559 default:
560 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
561 return -1;
562 }
563 return -1;
564 break;
565
566 default:
567 g_warning ("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
568 return -1;
569 }
570
571 return 0;
572 }
573
574 static MonoImage*
575 get_socket_assembly (void)
576 {
577 MonoDomain *domain = mono_domain_get ();
578
579 if (domain->socket_assembly == NULL) {
580 MonoImage *socket_assembly;
581
582 socket_assembly = mono_image_loaded ("System");
583 if (!socket_assembly) {
584 MonoAssembly *sa = mono_assembly_open ("System.dll", NULL);
585
586 if (!sa) {
587 g_assert_not_reached ();
588 } else {
589 socket_assembly = mono_assembly_get_image (sa);
590 }
591 }
592 mono_atomic_store_release (&domain->socket_assembly, socket_assembly);
593 }
594
595 return domain->socket_assembly;
596 }
597
598 gpointer
599 ves_icall_System_Net_Sockets_Socket_Socket_internal (MonoObject *this_obj, gint32 family, gint32 type, gint32 proto, gint32 *werror)
600 {
601 SOCKET sock;
602 gint32 sock_family;
603 gint32 sock_proto;
604 gint32 sock_type;
605
606 *werror = 0;
607
608 sock_family = convert_family ((MonoAddressFamily)family);
609 if (sock_family == -1) {
610 *werror = WSAEAFNOSUPPORT;
611 return NULL;
612 }
613
614 sock_proto = convert_proto ((MonoProtocolType)proto);
615 if (sock_proto == -1) {
616 *werror = WSAEPROTONOSUPPORT;
617 return NULL;
618 }
619
620 sock_type = convert_type ((MonoSocketType)type);
621 if (sock_type == -1) {
622 *werror = WSAESOCKTNOSUPPORT;
623 return NULL;
624 }
625
626 sock = _wapi_socket (sock_family, sock_type, sock_proto,
627 NULL, 0, WSA_FLAG_OVERLAPPED);
628
629 if (sock == INVALID_SOCKET) {
630 *werror = WSAGetLastError ();
631 return NULL;
632 }
633
634 return GUINT_TO_POINTER (sock);
635 }
636
637 /* FIXME: the SOCKET parameter (here and in other functions in this
638 * file) is really an IntPtr which needs to be converted to a guint32.
639 */
640 void
641 ves_icall_System_Net_Sockets_Socket_Close_internal (SOCKET sock, gint32 *werror)
642 {
643 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
644
645 *werror = 0;
646
647 /* Clear any pending work item from this socket if the underlying
648 * polling system does not notify when the socket is closed */
649 mono_threadpool_io_remove_socket (GPOINTER_TO_INT (sock));
650
651 MONO_ENTER_GC_SAFE;
652 closesocket (sock);
653 MONO_EXIT_GC_SAFE;
654 }
655
656 gint32
657 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal (void)
658 {
659 LOGDEBUG (g_message("%s: returning %d", __func__, WSAGetLastError ()));
660
661 return WSAGetLastError ();
662 }
663
664 gint32
665 ves_icall_System_Net_Sockets_Socket_Available_internal (SOCKET sock, gint32 *werror)
666 {
667 int ret;
668 int amount;
669
670 *werror = 0;
671
672 /* FIXME: this might require amount to be unsigned long. */
673 ret = ioctlsocket (sock, FIONREAD, &amount);
674 if (ret == SOCKET_ERROR) {
675 *werror = WSAGetLastError ();
676 return 0;
677 }
678
679 return amount;
680 }
681
682 void
683 ves_icall_System_Net_Sockets_Socket_Blocking_internal (SOCKET sock, gboolean block, gint32 *werror)
684 {
685 int ret;
686
687 *werror = 0;
688
689 /*
690 * block == TRUE/FALSE means we will block/not block.
691 * But the ioctlsocket call takes TRUE/FALSE for non-block/block
692 */
693 block = !block;
694
695 ret = ioctlsocket (sock, FIONBIO, (gulong *)&block);
696 if (ret == SOCKET_ERROR)
697 *werror = WSAGetLastError ();
698 }
699
700 gpointer
701 ves_icall_System_Net_Sockets_Socket_Accept_internal (SOCKET sock, gint32 *werror, gboolean blocking)
702 {
703 gboolean interrupted;
704 SOCKET newsock;
705
706 *werror = 0;
707
708 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
709 if (interrupted) {
710 *werror = WSAEINTR;
711 return NULL;
712 }
713
714 MONO_ENTER_GC_SAFE;
715
716 #ifdef HOST_WIN32
717 {
718 MonoInternalThread *curthread = mono_thread_internal_current ();
719 curthread->interrupt_on_stop = (gpointer)TRUE;
720 newsock = alertable_accept (sock, NULL, 0, blocking);
721 curthread->interrupt_on_stop = (gpointer)FALSE;
722 }
723 #else
724 newsock = _wapi_accept (sock, NULL, 0);
725 #endif
726
727 MONO_EXIT_GC_SAFE;
728
729 if (newsock == INVALID_SOCKET)
730 *werror = WSAGetLastError ();
731
732 mono_thread_info_uninstall_interrupt (&interrupted);
733 if (interrupted)
734 *werror = WSAEINTR;
735
736 if (*werror)
737 return NULL;
738
739 return GUINT_TO_POINTER (newsock);
740 }
741
742 void
743 ves_icall_System_Net_Sockets_Socket_Listen_internal(SOCKET sock, guint32 backlog, gint32 *werror)
744 {
745 int ret;
746
747 *werror = 0;
748
749 MONO_ENTER_GC_SAFE;
750
751 ret = _wapi_listen (sock, backlog);
752
753 MONO_EXIT_GC_SAFE;
754
755 if (ret == SOCKET_ERROR)
756 *werror = WSAGetLastError ();
757 }
758
759 // Check whether it's ::ffff::0:0.
760 static gboolean
761 is_ipv4_mapped_any (const struct in6_addr *addr)
762 {
763 int i;
764
765 for (i = 0; i < 10; i++) {
766 if (addr->s6_addr [i])
767 return FALSE;
768 }
769 if ((addr->s6_addr [10] != 0xff) || (addr->s6_addr [11] != 0xff))
770 return FALSE;
771 for (i = 12; i < 16; i++) {
772 if (addr->s6_addr [i])
773 return FALSE;
774 }
775 return TRUE;
776 }
777
778 static MonoObject*
779 create_object_from_sockaddr (struct sockaddr *saddr, int sa_size, gint32 *werror, MonoError *error)
780 {
781 MonoDomain *domain = mono_domain_get ();
782 MonoObject *sockaddr_obj;
783 MonoArray *data;
784 MonoAddressFamily family;
785
786 mono_error_init (error);
787
788 /* Build a System.Net.SocketAddress object instance */
789 if (!domain->sockaddr_class)
790 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
791 sockaddr_obj = mono_object_new_checked (domain, domain->sockaddr_class, error);
792 return_val_if_nok (error, NULL);
793
794 /* Locate the SocketAddress data buffer in the object */
795 if (!domain->sockaddr_data_field) {
796 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
797 g_assert (domain->sockaddr_data_field);
798 }
799
800 /* Locate the SocketAddress data buffer length in the object */
801 if (!domain->sockaddr_data_length_field) {
802 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
803 g_assert (domain->sockaddr_data_length_field);
804 }
805
806 /* May be the +2 here is too conservative, as sa_len returns
807 * the length of the entire sockaddr_in/in6, including
808 * sizeof (unsigned short) of the family */
809 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
810 data = mono_array_new_cached (domain, mono_get_byte_class (), sa_size + 2, error);
811 return_val_if_nok (error, NULL);
812
813 /* The data buffer is laid out as follows:
814 * bytes 0 and 1 are the address family
815 * bytes 2 and 3 are the port info
816 * the rest is the address info
817 */
818
819 family = convert_to_mono_family (saddr->sa_family);
820 if (family == AddressFamily_Unknown) {
821 *werror = WSAEAFNOSUPPORT;
822 return NULL;
823 }
824
825 mono_array_set (data, guint8, 0, family & 0x0FF);
826 mono_array_set (data, guint8, 1, (family >> 8) & 0x0FF);
827
828 if (saddr->sa_family == AF_INET) {
829 struct sockaddr_in *sa_in = (struct sockaddr_in *)saddr;
830 guint16 port = ntohs (sa_in->sin_port);
831 guint32 address = ntohl (sa_in->sin_addr.s_addr);
832 int buffer_size = 8;
833
834 if (sa_size < buffer_size) {
835 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
836 return NULL;
837 }
838
839 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
840 mono_array_set (data, guint8, 3, (port) & 0xff);
841 mono_array_set (data, guint8, 4, (address>>24) & 0xff);
842 mono_array_set (data, guint8, 5, (address>>16) & 0xff);
843 mono_array_set (data, guint8, 6, (address>>8) & 0xff);
844 mono_array_set (data, guint8, 7, (address) & 0xff);
845
846 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
847 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
848
849 return sockaddr_obj;
850 } else if (saddr->sa_family == AF_INET6) {
851 struct sockaddr_in6 *sa_in = (struct sockaddr_in6 *)saddr;
852 int i;
853 int buffer_size = 28;
854
855 guint16 port = ntohs (sa_in->sin6_port);
856
857 if (sa_size < buffer_size) {
858 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
859 return NULL;
860 }
861
862 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
863 mono_array_set (data, guint8, 3, (port) & 0xff);
864
865 if (is_ipv4_mapped_any (&sa_in->sin6_addr)) {
866 // Map ::ffff:0:0 to :: (bug #5502)
867 for (i = 0; i < 16; i++)
868 mono_array_set (data, guint8, 8 + i, 0);
869 } else {
870 for (i = 0; i < 16; i++) {
871 mono_array_set (data, guint8, 8 + i,
872 sa_in->sin6_addr.s6_addr [i]);
873 }
874 }
875
876 mono_array_set (data, guint8, 24, sa_in->sin6_scope_id & 0xff);
877 mono_array_set (data, guint8, 25,
878 (sa_in->sin6_scope_id >> 8) & 0xff);
879 mono_array_set (data, guint8, 26,
880 (sa_in->sin6_scope_id >> 16) & 0xff);
881 mono_array_set (data, guint8, 27,
882 (sa_in->sin6_scope_id >> 24) & 0xff);
883
884 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
885 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
886
887 return sockaddr_obj;
888 }
889 #ifdef HAVE_SYS_UN_H
890 else if (saddr->sa_family == AF_UNIX) {
891 int i;
892 int buffer_size = sa_size + 2;
893
894 for (i = 0; i < sa_size; i++)
895 mono_array_set (data, guint8, i + 2, saddr->sa_data [i]);
896
897 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
898 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
899
900 return sockaddr_obj;
901 }
902 #endif
903 else {
904 *werror = WSAEAFNOSUPPORT;
905 return NULL;
906 }
907 }
908
909 static int
910 get_sockaddr_size (int family)
911 {
912 int size;
913
914 size = 0;
915 if (family == AF_INET) {
916 size = sizeof (struct sockaddr_in);
917 } else if (family == AF_INET6) {
918 size = sizeof (struct sockaddr_in6);
919 }
920 #ifdef HAVE_SYS_UN_H
921 else if (family == AF_UNIX) {
922 size = sizeof (struct sockaddr_un);
923 }
924 #endif
925 return size;
926 }
927
928 MonoObject*
929 ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal (SOCKET sock, gint32 af, gint32 *werror)
930 {
931 gchar *sa;
932 socklen_t salen;
933 int ret;
934 MonoObject *result;
935 MonoError error;
936
937 *werror = 0;
938
939 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
940 if (salen == 0) {
941 *werror = WSAEAFNOSUPPORT;
942 return NULL;
943 }
944 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
945
946 MONO_ENTER_GC_SAFE;
947
948 ret = _wapi_getsockname (sock, (struct sockaddr *)sa, &salen);
949
950 MONO_EXIT_GC_SAFE;
951
952 if (ret == SOCKET_ERROR) {
953 *werror = WSAGetLastError ();
954 if (salen > 128)
955 g_free (sa);
956 return NULL;
957 }
958
959 LOGDEBUG (g_message("%s: bound to %s port %d", __func__, inet_ntoa (((struct sockaddr_in *)&sa)->sin_addr), ntohs (((struct sockaddr_in *)&sa)->sin_port)));
960
961 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
962 if (salen > 128)
963 g_free (sa);
964 if (!mono_error_ok (&error))
965 mono_error_set_pending_exception (&error);
966 return result;
967 }
968
969 MonoObject*
970 ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal (SOCKET sock, gint32 af, gint32 *werror)
971 {
972 gchar *sa;
973 socklen_t salen;
974 int ret;
975 MonoObject *result;
976 MonoError error;
977
978 *werror = 0;
979
980 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
981 if (salen == 0) {
982 *werror = WSAEAFNOSUPPORT;
983 return NULL;
984 }
985 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
986 /* Note: linux returns just 2 for AF_UNIX. Always. */
987
988 MONO_ENTER_GC_SAFE;
989
990 ret = _wapi_getpeername (sock, (struct sockaddr *)sa, &salen);
991
992 MONO_EXIT_GC_SAFE;
993
994 if (ret == SOCKET_ERROR) {
995 *werror = WSAGetLastError ();
996 if (salen > 128)
997 g_free (sa);
998 return NULL;
999 }
1000
1001 LOGDEBUG (g_message("%s: connected to %s port %d", __func__, inet_ntoa (((struct sockaddr_in *)&sa)->sin_addr), ntohs (((struct sockaddr_in *)&sa)->sin_port)));
1002
1003 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1004 if (salen > 128)
1005 g_free (sa);
1006 if (!mono_error_ok (&error))
1007 mono_error_set_pending_exception (&error);
1008 return result;
1009 }
1010
1011 static struct sockaddr*
1012 create_sockaddr_from_object (MonoObject *saddr_obj, socklen_t *sa_size, gint32 *werror, MonoError *error)
1013 {
1014 MonoDomain *domain = mono_domain_get ();
1015 MonoArray *data;
1016 gint32 family;
1017 int len;
1018
1019 mono_error_init (error);
1020
1021 if (!domain->sockaddr_class)
1022 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
1023
1024 /* Locate the SocketAddress data buffer in the object */
1025 if (!domain->sockaddr_data_field) {
1026 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
1027 g_assert (domain->sockaddr_data_field);
1028 }
1029
1030 /* Locate the SocketAddress data buffer length in the object */
1031 if (!domain->sockaddr_data_length_field) {
1032 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
1033 g_assert (domain->sockaddr_data_length_field);
1034 }
1035
1036 data = *(MonoArray **)(((char *)saddr_obj) + domain->sockaddr_data_field->offset);
1037
1038 /* The data buffer is laid out as follows:
1039 * byte 0 is the address family low byte
1040 * byte 1 is the address family high byte
1041 * INET:
1042 * bytes 2 and 3 are the port info
1043 * the rest is the address info
1044 * UNIX:
1045 * the rest is the file name
1046 */
1047 len = *(int *)(((char *)saddr_obj) + domain->sockaddr_data_length_field->offset);
1048 g_assert (len >= 2);
1049
1050 family = convert_family ((MonoAddressFamily)(mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8)));
1051 if (family == AF_INET) {
1052 struct sockaddr_in *sa;
1053 guint16 port;
1054 guint32 address;
1055
1056 if (len < 8) {
1057 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1058 return NULL;
1059 }
1060
1061 sa = g_new0 (struct sockaddr_in, 1);
1062 port = (mono_array_get (data, guint8, 2) << 8) +
1063 mono_array_get (data, guint8, 3);
1064 address = (mono_array_get (data, guint8, 4) << 24) +
1065 (mono_array_get (data, guint8, 5) << 16 ) +
1066 (mono_array_get (data, guint8, 6) << 8) +
1067 mono_array_get (data, guint8, 7);
1068
1069 sa->sin_family = family;
1070 sa->sin_addr.s_addr = htonl (address);
1071 sa->sin_port = htons (port);
1072
1073 *sa_size = sizeof (struct sockaddr_in);
1074 return (struct sockaddr *)sa;
1075 } else if (family == AF_INET6) {
1076 struct sockaddr_in6 *sa;
1077 int i;
1078 guint16 port;
1079 guint32 scopeid;
1080
1081 if (len < 28) {
1082 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1083 return NULL;
1084 }
1085
1086 sa = g_new0 (struct sockaddr_in6, 1);
1087 port = mono_array_get (data, guint8, 3) +
1088 (mono_array_get (data, guint8, 2) << 8);
1089 scopeid = mono_array_get (data, guint8, 24) +
1090 (mono_array_get (data, guint8, 25) << 8) +
1091 (mono_array_get (data, guint8, 26) << 16) +
1092 (mono_array_get (data, guint8, 27) << 24);
1093
1094 sa->sin6_family = family;
1095 sa->sin6_port = htons (port);
1096 sa->sin6_scope_id = scopeid;
1097
1098 for (i = 0; i < 16; i++)
1099 sa->sin6_addr.s6_addr [i] = mono_array_get (data, guint8, 8 + i);
1100
1101 *sa_size = sizeof (struct sockaddr_in6);
1102 return (struct sockaddr *)sa;
1103 }
1104 #ifdef HAVE_SYS_UN_H
1105 else if (family == AF_UNIX) {
1106 struct sockaddr_un *sock_un;
1107 int i;
1108
1109 /* Need a byte for the '\0' terminator/prefix, and the first
1110 * two bytes hold the SocketAddress family
1111 */
1112 if (len - 2 >= sizeof (sock_un->sun_path)) {
1113 mono_error_set_exception_instance (error, mono_get_exception_index_out_of_range ());
1114 return NULL;
1115 }
1116
1117 sock_un = g_new0 (struct sockaddr_un, 1);
1118
1119 sock_un->sun_family = family;
1120 for (i = 0; i < len - 2; i++)
1121 sock_un->sun_path [i] = mono_array_get (data, guint8, i + 2);
1122
1123 *sa_size = len;
1124 return (struct sockaddr *)sock_un;
1125 }
1126 #endif
1127 else {
1128 *werror = WSAEAFNOSUPPORT;
1129 return 0;
1130 }
1131 }
1132
1133 void
1134 ves_icall_System_Net_Sockets_Socket_Bind_internal (SOCKET sock, MonoObject *sockaddr, gint32 *werror)
1135 {
1136 MonoError error;
1137 struct sockaddr *sa;
1138 socklen_t sa_size;
1139 int ret;
1140
1141 *werror = 0;
1142
1143 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1144 if (*werror != 0)
1145 return;
1146 if (!mono_error_ok (&error)) {
1147 mono_error_set_pending_exception (&error);
1148 return;
1149 }
1150
1151 LOGDEBUG (g_message("%s: binding to %s port %d", __func__, inet_ntoa (((struct sockaddr_in *)sa)->sin_addr), ntohs (((struct sockaddr_in *)sa)->sin_port)));
1152
1153 ret = _wapi_bind (sock, sa, sa_size);
1154
1155 if (ret == SOCKET_ERROR)
1156 *werror = WSAGetLastError ();
1157
1158 g_free (sa);
1159 }
1160
1161 enum {
1162 SelectModeRead,
1163 SelectModeWrite,
1164 SelectModeError
1165 };
1166
1167 MonoBoolean
1168 ves_icall_System_Net_Sockets_Socket_Poll_internal (SOCKET sock, gint mode,
1169 gint timeout, gint32 *werror)
1170 {
1171 MonoInternalThread *thread = mono_thread_internal_current ();
1172 mono_pollfd *pfds;
1173 int ret;
1174 gboolean interrupted;
1175 time_t start;
1176
1177 *werror = 0;
1178
1179 pfds = g_new0 (mono_pollfd, 1);
1180 pfds->fd = GPOINTER_TO_INT (sock);
1181
1182 switch (mode) {
1183 case SelectModeRead:
1184 pfds->events = MONO_POLLIN;
1185 break;
1186 case SelectModeWrite:
1187 pfds->events = MONO_POLLOUT;
1188 break;
1189 default:
1190 pfds->events = MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL;
1191 break;
1192 }
1193
1194 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1195 start = time (NULL);
1196
1197 do {
1198 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1199 if (interrupted) {
1200 g_free (pfds);
1201 *werror = WSAEINTR;
1202 return FALSE;
1203 }
1204
1205 MONO_ENTER_GC_SAFE;
1206
1207 ret = mono_poll (pfds, 1, timeout);
1208
1209 MONO_EXIT_GC_SAFE;
1210
1211 mono_thread_info_uninstall_interrupt (&interrupted);
1212 if (interrupted) {
1213 g_free (pfds);
1214 *werror = WSAEINTR;
1215 return FALSE;
1216 }
1217
1218 if (timeout > 0 && ret < 0) {
1219 int err = errno;
1220 int sec = time (NULL) - start;
1221
1222 timeout -= sec * 1000;
1223 if (timeout < 0) {
1224 timeout = 0;
1225 }
1226
1227 errno = err;
1228 }
1229
1230 if (ret == -1 && errno == EINTR) {
1231 if (mono_thread_test_state (thread, (MonoThreadState)(ThreadState_AbortRequested | ThreadState_StopRequested))) {
1232 g_free (pfds);
1233 return FALSE;
1234 }
1235
1236 /* Suspend requested? */
1237 mono_thread_interruption_checkpoint ();
1238
1239 errno = EINTR;
1240 }
1241 } while (ret == -1 && errno == EINTR);
1242
1243 if (ret == -1) {
1244 #ifdef HOST_WIN32
1245 *werror = (errno > 0 && errno < WSABASEERR) ? errno + WSABASEERR : errno;
1246 #else
1247 *werror = errno_to_WSA (errno, __func__);
1248 #endif
1249 g_free (pfds);
1250 return FALSE;
1251 }
1252
1253 g_free (pfds);
1254 return ret != 0;
1255 }
1256
1257 void
1258 ves_icall_System_Net_Sockets_Socket_Connect_internal (SOCKET sock, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1259 {
1260 MonoError error;
1261 struct sockaddr *sa;
1262 socklen_t sa_size;
1263 int ret;
1264 gboolean interrupted;
1265
1266 *werror = 0;
1267
1268 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1269 if (*werror != 0)
1270 return;
1271 if (!mono_error_ok (&error)) {
1272 mono_error_set_pending_exception (&error);
1273 return;
1274 }
1275
1276 LOGDEBUG (g_message("%s: connecting to %s port %d", __func__, inet_ntoa (((struct sockaddr_in *)sa)->sin_addr), ntohs (((struct sockaddr_in *)sa)->sin_port)));
1277
1278 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1279 if (interrupted) {
1280 *werror = WSAEINTR;
1281 return;
1282 }
1283
1284 MONO_ENTER_GC_SAFE;
1285
1286 #ifdef HOST_WIN32
1287 ret = alertable_connect (sock, sa, sa_size, blocking);
1288 #else
1289 ret = _wapi_connect (sock, sa, sa_size);
1290 #endif
1291
1292 MONO_EXIT_GC_SAFE;
1293
1294 if (ret == SOCKET_ERROR)
1295 *werror = WSAGetLastError ();
1296
1297 mono_thread_info_uninstall_interrupt (&interrupted);
1298 if (interrupted)
1299 *werror = WSAEINTR;
1300
1301 g_free (sa);
1302 }
1303
1304 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
1305 /* These #defines from mswsock.h from wine. Defining them here allows
1306 * us to build this file on a mingw box that doesn't know the magic
1307 * numbers, but still run on a newer windows box that does.
1308 */
1309 #ifndef WSAID_DISCONNECTEX
1310 #define WSAID_DISCONNECTEX {0x7fda2e11,0x8630,0x436f,{0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}}
1311 typedef BOOL (WINAPI *LPFN_DISCONNECTEX)(SOCKET, LPOVERLAPPED, DWORD, DWORD);
1312 #endif
1313
1314 #ifndef WSAID_TRANSMITFILE
1315 #define WSAID_TRANSMITFILE {0xb5367df0,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}}
1316 typedef BOOL (WINAPI *LPFN_TRANSMITFILE)(SOCKET, HANDLE, DWORD, DWORD, LPOVERLAPPED, LPTRANSMIT_FILE_BUFFERS, DWORD);
1317 #endif
1318
1319 void
1320 ves_icall_System_Net_Sockets_Socket_Disconnect_internal (SOCKET sock, MonoBoolean reuse, gint32 *werror)
1321 {
1322 int ret;
1323 glong output_bytes = 0;
1324 GUID disco_guid = WSAID_DISCONNECTEX;
1325 GUID trans_guid = WSAID_TRANSMITFILE;
1326 LPFN_DISCONNECTEX _wapi_disconnectex = NULL;
1327 LPFN_TRANSMITFILE _wapi_transmitfile = NULL;
1328 gboolean interrupted;
1329
1330 *werror = 0;
1331
1332 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1333
1334 MONO_ENTER_GC_SAFE;
1335
1336 /* I _think_ the extension function pointers need to be looked
1337 * up for each socket. FIXME: check the best way to store
1338 * pointers to functions in managed objects that still works
1339 * on 64bit platforms.
1340 */
1341 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER, (gchar *)&disco_guid, sizeof (GUID),
1342 (gchar *)&_wapi_disconnectex, sizeof (void *), &output_bytes, NULL, NULL);
1343
1344 MONO_EXIT_GC_SAFE;
1345
1346 if (ret != 0) {
1347 /* make sure that WSAIoctl didn't put crap in the
1348 * output pointer
1349 */
1350 _wapi_disconnectex = NULL;
1351
1352 MONO_ENTER_GC_SAFE;
1353
1354 /*
1355 * Use the SIO_GET_EXTENSION_FUNCTION_POINTER to
1356 * determine the address of the disconnect method without
1357 * taking a hard dependency on a single provider
1358 *
1359 * For an explanation of why this is done, you can read
1360 * the article at http://www.codeproject.com/internet/jbsocketserver3.asp
1361 */
1362 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER, (gchar *)&trans_guid, sizeof(GUID),
1363 (gchar *)&_wapi_transmitfile, sizeof(void *), &output_bytes, NULL, NULL);
1364
1365 MONO_EXIT_GC_SAFE;
1366
1367 if (ret != 0)
1368 _wapi_transmitfile = NULL;
1369 }
1370
1371 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1372 if (interrupted) {
1373 *werror = WSAEINTR;
1374 return;
1375 }
1376
1377 MONO_ENTER_GC_SAFE;
1378
1379 if (_wapi_disconnectex != NULL) {
1380 if (!_wapi_disconnectex (sock, NULL, reuse ? TF_REUSE_SOCKET : 0, 0))
1381 *werror = WSAGetLastError ();
1382 } else if (_wapi_transmitfile != NULL) {
1383 if (!_wapi_transmitfile (sock, NULL, 0, 0, NULL, NULL, TF_DISCONNECT | (reuse ? TF_REUSE_SOCKET : 0)))
1384 *werror = WSAGetLastError ();
1385 } else {
1386 *werror = ERROR_NOT_SUPPORTED;
1387 }
1388
1389 MONO_EXIT_GC_SAFE;
1390
1391 mono_thread_info_uninstall_interrupt (&interrupted);
1392 if (interrupted)
1393 *werror = WSAEINTR;
1394 }
1395 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
1396
1397 gint32
1398 ves_icall_System_Net_Sockets_Socket_Receive_internal (SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1399 {
1400 int ret;
1401 guchar *buf;
1402 gint32 alen;
1403 int recvflags = 0;
1404 gboolean interrupted;
1405 MonoInternalThread* curthread G_GNUC_UNUSED = mono_thread_internal_current ();
1406
1407 *werror = 0;
1408
1409 alen = mono_array_length (buffer);
1410 if (offset > alen - count)
1411 return 0;
1412
1413 buf = mono_array_addr (buffer, guchar, offset);
1414
1415 recvflags = convert_socketflags (flags);
1416 if (recvflags == -1) {
1417 *werror = WSAEOPNOTSUPP;
1418 return 0;
1419 }
1420
1421 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1422 if (interrupted)
1423 return 0;
1424
1425 MONO_ENTER_GC_SAFE;
1426
1427 #ifdef HOST_WIN32
1428 {
1429 curthread->interrupt_on_stop = (gpointer)TRUE;
1430 ret = alertable_recv (sock, buf, count, recvflags, blocking);
1431 curthread->interrupt_on_stop = (gpointer)FALSE;
1432 }
1433 #else
1434 ret = _wapi_recv (sock, buf, count, recvflags);
1435 #endif
1436
1437 MONO_EXIT_GC_SAFE;
1438
1439 if (ret == SOCKET_ERROR)
1440 *werror = WSAGetLastError ();
1441
1442 mono_thread_info_uninstall_interrupt (&interrupted);
1443 if (interrupted)
1444 *werror = WSAEINTR;
1445
1446 if (*werror)
1447 return 0;
1448
1449 return ret;
1450 }
1451
1452 gint32
1453 ves_icall_System_Net_Sockets_Socket_Receive_array_internal (SOCKET sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1454 {
1455 int ret, count;
1456 gboolean interrupted;
1457 DWORD recv;
1458 WSABUF *wsabufs;
1459 DWORD recvflags = 0;
1460
1461 *werror = 0;
1462
1463 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1464 count = mono_array_length (buffers);
1465
1466 recvflags = convert_socketflags (flags);
1467 if (recvflags == -1) {
1468 *werror = WSAEOPNOTSUPP;
1469 return 0;
1470 }
1471
1472 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1473 if (interrupted) {
1474 *werror = WSAEINTR;
1475 return 0;
1476 }
1477
1478 MONO_ENTER_GC_SAFE;
1479
1480 #ifdef HOST_WIN32
1481 ret = alertable_WSARecv (sock, wsabufs, count, &recv, &recvflags, NULL, NULL, blocking);
1482 #else
1483 ret = WSARecv (sock, wsabufs, count, &recv, &recvflags, NULL, NULL);
1484 #endif
1485
1486 MONO_EXIT_GC_SAFE;
1487
1488 if (ret == SOCKET_ERROR)
1489 *werror = WSAGetLastError ();
1490
1491 mono_thread_info_uninstall_interrupt (&interrupted);
1492 if (interrupted)
1493 *werror = WSAEINTR;
1494
1495 if (*werror)
1496 return 0;
1497
1498 return recv;
1499 }
1500
1501 gint32
1502 ves_icall_System_Net_Sockets_Socket_ReceiveFrom_internal (SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *werror, gboolean blocking)
1503 {
1504 MonoError error;
1505 int ret;
1506 guchar *buf;
1507 gint32 alen;
1508 int recvflags = 0;
1509 struct sockaddr *sa;
1510 socklen_t sa_size;
1511 gboolean interrupted;
1512
1513 *werror = 0;
1514
1515 alen = mono_array_length (buffer);
1516 if (offset > alen - count)
1517 return 0;
1518
1519 sa = create_sockaddr_from_object (*sockaddr, &sa_size, werror, &error);
1520 if (*werror != 0)
1521 return 0;
1522 if (!mono_error_ok (&error)) {
1523 mono_error_set_pending_exception (&error);
1524 return 0;
1525 }
1526
1527 buf = mono_array_addr (buffer, guchar, offset);
1528
1529 recvflags = convert_socketflags (flags);
1530 if (recvflags == -1) {
1531 *werror = WSAEOPNOTSUPP;
1532 return 0;
1533 }
1534
1535 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1536 if (interrupted) {
1537 g_free (sa);
1538 *werror = WSAEINTR;
1539 return 0;
1540 }
1541
1542 MONO_ENTER_GC_SAFE;
1543
1544 #ifdef HOST_WIN32
1545 ret = alertable_recvfrom (sock, buf, count, recvflags, sa, &sa_size, blocking);
1546 #else
1547 ret = _wapi_recvfrom (sock, buf, count, recvflags, sa, &sa_size);
1548 #endif
1549
1550 MONO_EXIT_GC_SAFE;
1551
1552 if (ret == SOCKET_ERROR)
1553 *werror = WSAGetLastError ();
1554
1555 mono_thread_info_uninstall_interrupt (&interrupted);
1556
1557 if (interrupted)
1558 *werror = WSAEINTR;
1559
1560 if (*werror) {
1561 g_free(sa);
1562 return 0;
1563 }
1564
1565 /* If we didn't get a socket size, then we're probably a
1566 * connected connection-oriented socket and the stack hasn't
1567 * returned the remote address. All we can do is return null.
1568 */
1569 if (sa_size) {
1570 *sockaddr = create_object_from_sockaddr (sa, sa_size, werror, &error);
1571 if (!mono_error_ok (&error)) {
1572 mono_error_set_pending_exception (&error);
1573 g_free (sa);
1574 return 0;
1575 }
1576 } else {
1577 *sockaddr = NULL;
1578 }
1579
1580 g_free (sa);
1581
1582 return ret;
1583 }
1584
1585 gint32
1586 ves_icall_System_Net_Sockets_Socket_Send_internal (SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1587 {
1588 int ret;
1589 guchar *buf;
1590 gint32 alen;
1591 int sendflags = 0;
1592 gboolean interrupted;
1593
1594 *werror = 0;
1595
1596 alen = mono_array_length (buffer);
1597 if (offset > alen - count)
1598 return 0;
1599
1600 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1601
1602 buf = mono_array_addr (buffer, guchar, offset);
1603
1604 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1605
1606 sendflags = convert_socketflags (flags);
1607 if (sendflags == -1) {
1608 *werror = WSAEOPNOTSUPP;
1609 return 0;
1610 }
1611
1612 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1613 if (interrupted) {
1614 *werror = WSAEINTR;
1615 return 0;
1616 }
1617
1618 MONO_ENTER_GC_SAFE;
1619
1620 #ifdef HOST_WIN32
1621 ret = alertable_send (sock, buf, count, sendflags, blocking);
1622 #else
1623 ret = _wapi_send (sock, buf, count, sendflags);
1624 #endif
1625
1626 MONO_EXIT_GC_SAFE;
1627
1628 if (ret == SOCKET_ERROR)
1629 *werror = WSAGetLastError ();
1630
1631 mono_thread_info_uninstall_interrupt (&interrupted);
1632 if (interrupted)
1633 *werror = WSAEINTR;
1634
1635 if (*werror)
1636 return 0;
1637
1638 return ret;
1639 }
1640
1641 gint32
1642 ves_icall_System_Net_Sockets_Socket_Send_array_internal (SOCKET sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1643 {
1644 int ret, count;
1645 DWORD sent;
1646 WSABUF *wsabufs;
1647 DWORD sendflags = 0;
1648 gboolean interrupted;
1649
1650 *werror = 0;
1651
1652 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1653 count = mono_array_length (buffers);
1654
1655 sendflags = convert_socketflags (flags);
1656 if (sendflags == -1) {
1657 *werror = WSAEOPNOTSUPP;
1658 return 0;
1659 }
1660
1661 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1662 if (interrupted) {
1663 *werror = WSAEINTR;
1664 return 0;
1665 }
1666
1667 MONO_ENTER_GC_SAFE;
1668
1669 #ifdef HOST_WIN32
1670 ret = alertable_WSASend (sock, wsabufs, count, &sent, sendflags, NULL, NULL, blocking);
1671 #else
1672 ret = WSASend (sock, wsabufs, count, &sent, sendflags, NULL, NULL);
1673 #endif
1674
1675 MONO_EXIT_GC_SAFE;
1676
1677 if (ret == SOCKET_ERROR)
1678 *werror = WSAGetLastError ();
1679
1680 mono_thread_info_uninstall_interrupt (&interrupted);
1681 if (interrupted)
1682 *werror = WSAEINTR;
1683
1684 if (*werror)
1685 return 0;
1686
1687 return sent;
1688 }
1689
1690 gint32
1691 ves_icall_System_Net_Sockets_Socket_SendTo_internal (SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1692 {
1693 MonoError error;
1694 int ret;
1695 guchar *buf;
1696 gint32 alen;
1697 int sendflags = 0;
1698 struct sockaddr *sa;
1699 socklen_t sa_size;
1700 gboolean interrupted;
1701
1702 *werror = 0;
1703
1704 alen = mono_array_length (buffer);
1705 if (offset > alen - count) {
1706 return 0;
1707 }
1708
1709 sa = create_sockaddr_from_object(sockaddr, &sa_size, werror, &error);
1710 if (*werror != 0)
1711 return 0;
1712 if (!mono_error_ok (&error)) {
1713 mono_error_set_pending_exception (&error);
1714 return 0;
1715 }
1716
1717 LOGDEBUG (g_message ("%s: alen: %d", __func__, alen));
1718
1719 buf = mono_array_addr (buffer, guchar, offset);
1720
1721 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1722
1723 sendflags = convert_socketflags (flags);
1724 if (sendflags == -1) {
1725 g_free (sa);
1726 *werror = WSAEOPNOTSUPP;
1727 return 0;
1728 }
1729
1730 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1731 if (interrupted) {
1732 g_free (sa);
1733 *werror = WSAEINTR;
1734 return 0;
1735 }
1736
1737 MONO_ENTER_GC_SAFE;
1738
1739 #ifdef HOST_WIN32
1740 ret = alertable_sendto (sock, buf, count, sendflags, sa, sa_size, blocking);
1741 #else
1742 ret = _wapi_sendto (sock, buf, count, sendflags, sa, sa_size);
1743 #endif
1744
1745 MONO_EXIT_GC_SAFE;
1746
1747 if (ret == SOCKET_ERROR)
1748 *werror = WSAGetLastError ();
1749
1750 mono_thread_info_uninstall_interrupt (&interrupted);
1751 if (interrupted)
1752 *werror = WSAEINTR;
1753
1754 g_free(sa);
1755
1756 if (*werror)
1757 return 0;
1758
1759 return ret;
1760 }
1761
1762 static SOCKET
1763 Socket_to_SOCKET (MonoObject *sockobj)
1764 {
1765 MonoSafeHandle *safe_handle;
1766 MonoClassField *field;
1767
1768 field = mono_class_get_field_from_name (sockobj->vtable->klass, "m_Handle");
1769 safe_handle = ((MonoSafeHandle *)(*(gpointer *)(((char *)sockobj) + field->offset)));
1770
1771 if (safe_handle == NULL)
1772 return -1;
1773
1774 return (SOCKET)safe_handle->handle;
1775 }
1776
1777 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1778
1779 void
1780 ves_icall_System_Net_Sockets_Socket_Select_internal (MonoArray **sockets, gint32 timeout, gint32 *werror)
1781 {
1782 MonoError error;
1783 MonoInternalThread *thread = mono_thread_internal_current ();
1784 MonoObject *obj;
1785 mono_pollfd *pfds;
1786 int nfds, idx;
1787 int ret;
1788 int i, count;
1789 int mode;
1790 MonoClass *sock_arr_class;
1791 MonoArray *socks;
1792 time_t start;
1793 uintptr_t socks_size;
1794 gboolean interrupted;
1795
1796 *werror = 0;
1797
1798 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1799 count = mono_array_length (*sockets);
1800 nfds = count - 3; /* NULL separators */
1801 pfds = g_new0 (mono_pollfd, nfds);
1802 mode = idx = 0;
1803 for (i = 0; i < count; i++) {
1804 obj = mono_array_get (*sockets, MonoObject *, i);
1805 if (obj == NULL) {
1806 mode++;
1807 continue;
1808 }
1809
1810 if (idx >= nfds) {
1811 /* The socket array was bogus */
1812 g_free (pfds);
1813 *werror = WSAEFAULT;
1814 return;
1815 }
1816
1817 pfds [idx].fd = Socket_to_SOCKET (obj);
1818 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1819 idx++;
1820 }
1821
1822 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1823 start = time (NULL);
1824 do {
1825 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1826 if (interrupted) {
1827 g_free (pfds);
1828 *werror = WSAEINTR;
1829 return;
1830 }
1831
1832 MONO_ENTER_GC_SAFE;
1833
1834 ret = mono_poll (pfds, nfds, timeout);
1835
1836 MONO_EXIT_GC_SAFE;
1837
1838 mono_thread_info_uninstall_interrupt (&interrupted);
1839 if (interrupted) {
1840 g_free (pfds);
1841 *werror = WSAEINTR;
1842 return;
1843 }
1844
1845 if (timeout > 0 && ret < 0) {
1846 int err = errno;
1847 int sec = time (NULL) - start;
1848
1849 timeout -= sec * 1000;
1850 if (timeout < 0)
1851 timeout = 0;
1852 errno = err;
1853 }
1854
1855 if (ret == -1 && errno == EINTR) {
1856 if (mono_thread_test_state (thread, (MonoThreadState)(ThreadState_AbortRequested | ThreadState_StopRequested))) {
1857 g_free (pfds);
1858 *sockets = NULL;
1859 return;
1860 }
1861
1862 /* Suspend requested? */
1863 mono_thread_interruption_checkpoint ();
1864
1865 errno = EINTR;
1866 }
1867 } while (ret == -1 && errno == EINTR);
1868
1869 if (ret == -1) {
1870 #ifdef HOST_WIN32
1871 *werror = (errno > 0 && errno < WSABASEERR) ? errno + WSABASEERR : errno;
1872 #else
1873 *werror = errno_to_WSA (errno, __func__);
1874 #endif
1875 g_free (pfds);
1876 return;
1877 }
1878
1879 if (ret == 0) {
1880 g_free (pfds);
1881 *sockets = NULL;
1882 return;
1883 }
1884
1885 sock_arr_class = ((MonoObject *)*sockets)->vtable->klass;
1886 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1887 socks = mono_array_new_full_checked (mono_domain_get (), sock_arr_class, &socks_size, NULL, &error);
1888 if (!mono_error_ok (&error)) {
1889 mono_error_set_pending_exception (&error);
1890 g_free (pfds);
1891 return;
1892 }
1893
1894 mode = idx = 0;
1895 for (i = 0; i < count && ret > 0; i++) {
1896 mono_pollfd *pfd;
1897
1898 obj = mono_array_get (*sockets, MonoObject *, i);
1899 if (obj == NULL) {
1900 mode++;
1901 idx++;
1902 continue;
1903 }
1904
1905 pfd = &pfds [i - mode];
1906 if (pfd->revents == 0)
1907 continue;
1908
1909 ret--;
1910 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1911 mono_array_setref (socks, idx++, obj);
1912 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1913 mono_array_setref (socks, idx++, obj);
1914 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1915 mono_array_setref (socks, idx++, obj);
1916 }
1917 }
1918
1919 *sockets = socks;
1920 g_free (pfds);
1921 }
1922
1923 static MonoObject*
1924 int_to_object (MonoDomain *domain, int val, MonoError *error)
1925 {
1926 return mono_value_box_checked (domain, mono_get_int32_class (), &val, error);
1927 }
1928
1929 void
1930 ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal (SOCKET sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *werror)
1931 {
1932 int system_level = 0;
1933 int system_name = 0;
1934 int ret;
1935 int val = 0;
1936 socklen_t valsize = sizeof (val);
1937 struct linger linger;
1938 socklen_t lingersize = sizeof (linger);
1939 int time_ms = 0;
1940 socklen_t time_ms_size = sizeof (time_ms);
1941 #ifdef SO_PEERCRED
1942 # if defined(__OpenBSD__)
1943 struct sockpeercred cred;
1944 # else
1945 struct ucred cred;
1946 # endif
1947 socklen_t credsize = sizeof (cred);
1948 #endif
1949 MonoError error;
1950 MonoDomain *domain = mono_domain_get ();
1951 MonoObject *obj;
1952 MonoClass *obj_class;
1953 MonoClassField *field;
1954
1955 *werror = 0;
1956
1957 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1958 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1959 system_level = SOL_SOCKET;
1960 system_name = SO_REUSEADDR;
1961 ret = 0;
1962 } else
1963 #endif
1964 {
1965 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level, &system_name);
1966 }
1967
1968 if (ret == -1) {
1969 *werror = WSAENOPROTOOPT;
1970 return;
1971 }
1972 if (ret == -2) {
1973 *obj_val = int_to_object (domain, 0, &error);
1974 mono_error_set_pending_exception (&error);
1975 return;
1976 }
1977
1978 MONO_ENTER_GC_SAFE;
1979
1980 /* No need to deal with MulticastOption names here, because
1981 * you cant getsockopt AddMembership or DropMembership (the
1982 * int getsockopt will error, causing an exception)
1983 */
1984 switch (name) {
1985 case SocketOptionName_Linger:
1986 case SocketOptionName_DontLinger:
1987 ret = _wapi_getsockopt (sock, system_level, system_name, &linger, &lingersize);
1988 break;
1989
1990 case SocketOptionName_SendTimeout:
1991 case SocketOptionName_ReceiveTimeout:
1992 ret = _wapi_getsockopt (sock, system_level, system_name, (char *)&time_ms, &time_ms_size);
1993 break;
1994
1995 #ifdef SO_PEERCRED
1996 case SocketOptionName_PeerCred:
1997 ret = _wapi_getsockopt (sock, system_level, system_name, &cred, &credsize);
1998 break;
1999 #endif
2000
2001 default:
2002 ret = _wapi_getsockopt (sock, system_level, system_name, &val, &valsize);
2003 }
2004
2005 MONO_EXIT_GC_SAFE;
2006
2007 if (ret == SOCKET_ERROR) {
2008 *werror = WSAGetLastError ();
2009 return;
2010 }
2011
2012 switch (name) {
2013 case SocketOptionName_Linger:
2014 /* build a System.Net.Sockets.LingerOption */
2015 obj_class = mono_class_load_from_name (get_socket_assembly (),
2016 "System.Net.Sockets",
2017 "LingerOption");
2018 obj = mono_object_new_checked (domain, obj_class, &error);
2019 if (!mono_error_ok (&error)) {
2020 mono_error_set_pending_exception (&error);
2021 return;
2022 }
2023
2024 /* Locate and set the fields "bool enabled" and "int
2025 * lingerTime"
2026 */
2027 field = mono_class_get_field_from_name(obj_class, "enabled");
2028 *(guint8 *)(((char *)obj)+field->offset) = linger.l_onoff;
2029
2030 field = mono_class_get_field_from_name(obj_class, "lingerTime");
2031 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
2032 break;
2033 case SocketOptionName_DontLinger:
2034 /* construct a bool int in val - true if linger is off */
2035 obj = int_to_object (domain, !linger.l_onoff, &error);
2036 mono_error_set_pending_exception (&error);
2037 break;
2038 case SocketOptionName_SendTimeout:
2039 case SocketOptionName_ReceiveTimeout:
2040 obj = int_to_object (domain, time_ms, &error);
2041 mono_error_set_pending_exception (&error);
2042 break;
2043
2044 #ifdef SO_PEERCRED
2045 case SocketOptionName_PeerCred: {
2046 /*
2047 * build a Mono.Posix.PeerCred+PeerCredData if
2048 * possible
2049 */
2050 static MonoImage *mono_posix_image = NULL;
2051 MonoPeerCredData *cred_data;
2052
2053 if (mono_posix_image == NULL) {
2054 mono_posix_image = mono_image_loaded ("Mono.Posix");
2055 if (!mono_posix_image) {
2056 MonoAssembly *sa = mono_assembly_open ("Mono.Posix.dll", NULL);
2057 if (!sa) {
2058 *werror = WSAENOPROTOOPT;
2059 return;
2060 } else {
2061 mono_posix_image = mono_assembly_get_image (sa);
2062 }
2063 }
2064 }
2065
2066 obj_class = mono_class_load_from_name (mono_posix_image,
2067 "Mono.Posix",
2068 "PeerCredData");
2069 obj = mono_object_new_checked (domain, obj_class, &error);
2070 if (!mono_error_ok (&error)) {
2071 mono_error_set_pending_exception (&error);
2072 return;
2073 }
2074 cred_data = (MonoPeerCredData *)obj;
2075 cred_data->pid = cred.pid;
2076 cred_data->uid = cred.uid;
2077 cred_data->gid = cred.gid;
2078 break;
2079 }
2080 #endif
2081
2082 default:
2083 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2084 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
2085 val = val ? 0 : 1;
2086 #endif
2087 obj = int_to_object (domain, val, &error);
2088 mono_error_set_pending_exception (&error);
2089 }
2090
2091 *obj_val = obj;
2092 }
2093
2094 void
2095 ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal (SOCKET sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *werror)
2096 {
2097 int system_level = 0;
2098 int system_name = 0;
2099 int ret;
2100 guchar *buf;
2101 socklen_t valsize;
2102
2103 *werror = 0;
2104
2105 ret = convert_sockopt_level_and_name((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2106 &system_name);
2107 if (ret == -1) {
2108 *werror = WSAENOPROTOOPT;
2109 return;
2110 }
2111 if (ret == -2)
2112 return;
2113
2114 valsize = mono_array_length (*byte_val);
2115 buf = mono_array_addr (*byte_val, guchar, 0);
2116
2117 MONO_ENTER_GC_SAFE;
2118
2119 ret = _wapi_getsockopt (sock, system_level, system_name, buf, &valsize);
2120
2121 MONO_EXIT_GC_SAFE;
2122
2123 if (ret == SOCKET_ERROR)
2124 *werror = WSAGetLastError ();
2125 }
2126
2127 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2128 static struct in_addr
2129 ipaddress_to_struct_in_addr (MonoObject *ipaddr)
2130 {
2131 struct in_addr inaddr;
2132 MonoClassField *field;
2133
2134 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Address");
2135
2136 /* No idea why .net uses a 64bit type to hold a 32bit value...
2137 *
2138 * Internal value of IPAddess is in little-endian order
2139 */
2140 inaddr.s_addr = GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr) + field->offset));
2141
2142 return inaddr;
2143 }
2144
2145 static struct in6_addr
2146 ipaddress_to_struct_in6_addr (MonoObject *ipaddr)
2147 {
2148 struct in6_addr in6addr;
2149 MonoClassField *field;
2150 MonoArray *data;
2151 int i;
2152
2153 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Numbers");
2154 g_assert (field);
2155 data = *(MonoArray **)(((char *)ipaddr) + field->offset);
2156
2157 for (i = 0; i < 8; i++) {
2158 const guint16 s = GUINT16_TO_BE (mono_array_get (data, guint16, i));
2159
2160 /* Solaris/MacOS have only the 8 bit version. */
2161 #ifndef s6_addr16
2162 in6addr.s6_addr[2 * i + 1] = (s >> 8) & 0xff;
2163 in6addr.s6_addr[2 * i] = s & 0xff;
2164 #else
2165 in6addr.s6_addr16[i] = s;
2166 #endif
2167 }
2168 return in6addr;
2169 }
2170 #endif
2171
2172 #if defined(__APPLE__) || defined(__FreeBSD__)
2173
2174 static int
2175 get_local_interface_id (int family)
2176 {
2177 #if !defined(HAVE_GETIFADDRS) || !defined(HAVE_IF_NAMETOINDEX)
2178 return 0;
2179 #else
2180 struct ifaddrs *ifap = NULL, *ptr;
2181 int idx = 0;
2182
2183 if (getifaddrs (&ifap))
2184 return 0;
2185
2186 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2187 if (!ptr->ifa_addr || !ptr->ifa_name)
2188 continue;
2189 if (ptr->ifa_addr->sa_family != family)
2190 continue;
2191 if ((ptr->ifa_flags & IFF_LOOPBACK) != 0)
2192 continue;
2193 if ((ptr->ifa_flags & IFF_MULTICAST) == 0)
2194 continue;
2195
2196 idx = if_nametoindex (ptr->ifa_name);
2197 break;
2198 }
2199
2200 freeifaddrs (ifap);
2201 return idx;
2202 #endif
2203 }
2204
2205 #endif /* defined(__APPLE__) || defined(__FreeBSD__) */
2206
2207 void
2208 ves_icall_System_Net_Sockets_Socket_SetSocketOption_internal (SOCKET sock, gint32 level, gint32 name, MonoObject *obj_val, MonoArray *byte_val, gint32 int_val, gint32 *werror)
2209 {
2210 struct linger linger;
2211 int system_level = 0;
2212 int system_name = 0;
2213 int ret;
2214 int sol_ip;
2215 int sol_ipv6;
2216
2217 *werror = 0;
2218
2219 sol_ipv6 = mono_networking_get_ipv6_protocol ();
2220 sol_ip = mono_networking_get_ip_protocol ();
2221
2222 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2223 &system_name);
2224
2225 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2226 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2227 system_name = SO_REUSEADDR;
2228 int_val = int_val ? 0 : 1;
2229 ret = 0;
2230 }
2231 #endif
2232
2233 if (ret == -1) {
2234 *werror = WSAENOPROTOOPT;
2235 return;
2236 }
2237 if (ret == -2)
2238 return;
2239
2240 /* Only one of obj_val, byte_val or int_val has data */
2241 if (obj_val) {
2242 MonoClassField *field;
2243 int valsize;
2244
2245 switch (name) {
2246 case SocketOptionName_Linger:
2247 /* Dig out "bool enabled" and "int lingerTime"
2248 * fields
2249 */
2250 field = mono_class_get_field_from_name (obj_val->vtable->klass, "enabled");
2251 linger.l_onoff = *(guint8 *)(((char *)obj_val) + field->offset);
2252 field = mono_class_get_field_from_name (obj_val->vtable->klass, "lingerTime");
2253 linger.l_linger = *(guint32 *)(((char *)obj_val) + field->offset);
2254
2255 valsize = sizeof (linger);
2256 ret = _wapi_setsockopt (sock, system_level,
2257 system_name, &linger, valsize);
2258 break;
2259 case SocketOptionName_AddMembership:
2260 case SocketOptionName_DropMembership:
2261 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2262 {
2263 MonoObject *address = NULL;
2264
2265 if (system_level == sol_ipv6) {
2266 struct ipv6_mreq mreq6;
2267
2268 /*
2269 * Get group address
2270 */
2271 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Group");
2272 g_assert (field);
2273 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2274
2275 if (address)
2276 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2277
2278 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Interface");
2279 mreq6.ipv6mr_interface = *(guint64 *)(((char *)obj_val) + field->offset);
2280
2281 #if defined(__APPLE__) || defined(__FreeBSD__)
2282 /*
2283 * Bug #5504:
2284 *
2285 * Mac OS Lion doesn't allow ipv6mr_interface = 0.
2286 *
2287 * Tests on Windows and Linux show that the multicast group is only
2288 * joined on one NIC when interface = 0, so we simply use the interface
2289 * id from the first non-loopback interface (this is also what
2290 * Dns.GetHostName (string.Empty) would return).
2291 */
2292 if (!mreq6.ipv6mr_interface)
2293 mreq6.ipv6mr_interface = get_local_interface_id (AF_INET6);
2294 #endif
2295
2296 ret = _wapi_setsockopt (sock, system_level,
2297 system_name, &mreq6,
2298 sizeof (mreq6));
2299 } else if (system_level == sol_ip) {
2300 #ifdef HAVE_STRUCT_IP_MREQN
2301 struct ip_mreqn mreq = {{0}};
2302 #else
2303 struct ip_mreq mreq = {{0}};
2304 #endif /* HAVE_STRUCT_IP_MREQN */
2305
2306 /*
2307 * pain! MulticastOption holds two IPAddress
2308 * members, so I have to dig the value out of
2309 * those :-(
2310 */
2311 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2312 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2313
2314 /* address might not be defined and if so, set the address to ADDR_ANY.
2315 */
2316 if (address)
2317 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2318
2319 field = mono_class_get_field_from_name (obj_val->vtable->klass, "localAddress");
2320 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2321
2322 #ifdef HAVE_STRUCT_IP_MREQN
2323 if (address)
2324 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2325
2326 field = mono_class_get_field_from_name (obj_val->vtable->klass, "ifIndex");
2327 mreq.imr_ifindex = *(gint32 *)(((char *)obj_val) + field->offset);
2328 #else
2329 if (address)
2330 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2331 #endif /* HAVE_STRUCT_IP_MREQN */
2332
2333 ret = _wapi_setsockopt (sock, system_level,
2334 system_name, &mreq,
2335 sizeof (mreq));
2336 }
2337 break;
2338 }
2339 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2340 default:
2341 /* Cause an exception to be thrown */
2342 *werror = WSAEINVAL;
2343 return;
2344 }
2345 } else if (byte_val!=NULL) {
2346 int valsize = mono_array_length (byte_val);
2347 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2348
2349 switch(name) {
2350 case SocketOptionName_DontLinger:
2351 if (valsize == 1) {
2352 linger.l_onoff = (*buf) ? 0 : 1;
2353 linger.l_linger = 0;
2354 ret = _wapi_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2355 } else {
2356 *werror = WSAEINVAL;
2357 }
2358 break;
2359 default:
2360 ret = _wapi_setsockopt (sock, system_level, system_name, buf, valsize);
2361 break;
2362 }
2363 } else {
2364 /* ReceiveTimeout/SendTimeout get here */
2365 switch (name) {
2366 case SocketOptionName_DontLinger:
2367 linger.l_onoff = !int_val;
2368 linger.l_linger = 0;
2369 ret = _wapi_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2370 break;
2371 case SocketOptionName_MulticastInterface:
2372 #ifndef HOST_WIN32
2373 #ifdef HAVE_STRUCT_IP_MREQN
2374 int_val = GUINT32_FROM_BE (int_val);
2375 if ((int_val & 0xff000000) == 0) {
2376 /* int_val is interface index */
2377 struct ip_mreqn mreq = {{0}};
2378 mreq.imr_ifindex = int_val;
2379 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &mreq, sizeof (mreq));
2380 break;
2381 }
2382 int_val = GUINT32_TO_BE (int_val);
2383 #endif /* HAVE_STRUCT_IP_MREQN */
2384 #endif /* HOST_WIN32 */
2385 /* int_val is in_addr */
2386 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2387 break;
2388 case SocketOptionName_DontFragment:
2389 #ifdef HAVE_IP_MTU_DISCOVER
2390 /* Fiddle with the value slightly if we're
2391 * turning DF on
2392 */
2393 if (int_val == 1)
2394 int_val = IP_PMTUDISC_DO;
2395 /* Fall through */
2396 #endif
2397
2398 default:
2399 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2400 }
2401 }
2402
2403 if (ret == SOCKET_ERROR)
2404 *werror = WSAGetLastError ();
2405 }
2406
2407 void
2408 ves_icall_System_Net_Sockets_Socket_Shutdown_internal (SOCKET sock, gint32 how, gint32 *werror)
2409 {
2410 int ret;
2411 gboolean interrupted;
2412
2413 *werror = 0;
2414
2415 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2416 if (interrupted) {
2417 *werror = WSAEINTR;
2418 return;
2419 }
2420
2421 MONO_ENTER_GC_SAFE;
2422
2423 /* Currently, the values for how (recv=0, send=1, both=2) match the BSD API */
2424 ret = _wapi_shutdown (sock, how);
2425
2426 MONO_EXIT_GC_SAFE;
2427
2428 if (ret == SOCKET_ERROR)
2429 *werror = WSAGetLastError ();
2430
2431 mono_thread_info_uninstall_interrupt (&interrupted);
2432 if (interrupted) {
2433 *werror = WSAEINTR;
2434 }
2435
2436 }
2437
2438 gint
2439 ves_icall_System_Net_Sockets_Socket_IOControl_internal (SOCKET sock, gint32 code, MonoArray *input, MonoArray *output, gint32 *werror)
2440 {
2441 glong output_bytes = 0;
2442 gchar *i_buffer, *o_buffer;
2443 gint i_len, o_len;
2444 gint ret;
2445
2446 *werror = 0;
2447
2448 if ((guint32)code == FIONBIO)
2449 /* Invalid command. Must use Socket.Blocking */
2450 return -1;
2451
2452 if (input == NULL) {
2453 i_buffer = NULL;
2454 i_len = 0;
2455 } else {
2456 i_buffer = mono_array_addr (input, gchar, 0);
2457 i_len = mono_array_length (input);
2458 }
2459
2460 if (output == NULL) {
2461 o_buffer = NULL;
2462 o_len = 0;
2463 } else {
2464 o_buffer = mono_array_addr (output, gchar, 0);
2465 o_len = mono_array_length (output);
2466 }
2467
2468 MONO_ENTER_GC_SAFE;
2469
2470 ret = WSAIoctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes, NULL, NULL);
2471
2472 MONO_EXIT_GC_SAFE;
2473
2474 if (ret == SOCKET_ERROR) {
2475 *werror = WSAGetLastError ();
2476 return -1;
2477 }
2478
2479 return (gint)output_bytes;
2480 }
2481
2482 static gboolean
2483 addrinfo_to_IPHostEntry (MonoAddressInfo *info, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips, MonoError *error)
2484 {
2485 gint32 count, i;
2486 MonoAddressEntry *ai = NULL;
2487 struct in_addr *local_in = NULL;
2488 int nlocal_in = 0;
2489 struct in6_addr *local_in6 = NULL;
2490 int nlocal_in6 = 0;
2491 int addr_index;
2492 MonoDomain *domain = mono_domain_get ();
2493
2494 mono_error_init (error);
2495 addr_index = 0;
2496 *h_aliases = mono_array_new_checked (domain, mono_get_string_class (), 0, error);
2497 return_val_if_nok (error, FALSE);
2498 if (add_local_ips) {
2499 local_in = (struct in_addr *) mono_get_local_interfaces (AF_INET, &nlocal_in);
2500 local_in6 = (struct in6_addr *) mono_get_local_interfaces (AF_INET6, &nlocal_in6);
2501 if (nlocal_in || nlocal_in6) {
2502 char addr [INET6_ADDRSTRLEN];
2503 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), nlocal_in + nlocal_in6, error);
2504 if (!is_ok (error))
2505 goto leave;
2506
2507 if (nlocal_in) {
2508 MonoString *addr_string;
2509 int i;
2510
2511 for (i = 0; i < nlocal_in; i++) {
2512 MonoAddress maddr;
2513 mono_address_init (&maddr, AF_INET, &local_in [i]);
2514 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2515 addr_string = mono_string_new (domain, addr);
2516 mono_array_setref (*h_addr_list, addr_index, addr_string);
2517 addr_index++;
2518 }
2519 }
2520 }
2521
2522 if (nlocal_in6) {
2523 MonoString *addr_string;
2524 int i;
2525
2526 for (i = 0; i < nlocal_in6; i++) {
2527 MonoAddress maddr;
2528 mono_address_init (&maddr, AF_INET6, &local_in6 [i]);
2529 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2530 addr_string = mono_string_new (domain, addr);
2531 mono_array_setref (*h_addr_list, addr_index, addr_string);
2532 addr_index++;
2533 }
2534 }
2535 }
2536
2537 leave:
2538 g_free (local_in);
2539 g_free (local_in6);
2540 if (info)
2541 mono_free_address_info (info);
2542 return is_ok (error);;
2543 }
2544
2545 g_free (local_in);
2546 g_free (local_in6);
2547 }
2548
2549 for (count = 0, ai = info->entries; ai != NULL; ai = ai->next) {
2550 if (ai->family != AF_INET && ai->family != AF_INET6)
2551 continue;
2552 count++;
2553 }
2554
2555 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), count, error);
2556 if (!is_ok (error))
2557 goto leave2;
2558
2559 for (ai = info->entries, i = 0; ai != NULL; ai = ai->next) {
2560 MonoAddress maddr;
2561 MonoString *addr_string;
2562 char buffer [INET6_ADDRSTRLEN]; /* Max. size for IPv6 */
2563
2564 if ((ai->family != PF_INET) && (ai->family != PF_INET6))
2565 continue;
2566
2567 mono_address_init (&maddr, ai->family, &ai->address);
2568 if (mono_networking_addr_to_str (&maddr, buffer, sizeof (buffer)))
2569 addr_string = mono_string_new (domain, buffer);
2570 else
2571 addr_string = mono_string_new (domain, "");
2572
2573 mono_array_setref (*h_addr_list, addr_index, addr_string);
2574
2575 if (!i) {
2576 i++;
2577 if (ai->canonical_name != NULL) {
2578 *h_name = mono_string_new (domain, ai->canonical_name);
2579 } else {
2580 *h_name = mono_string_new (domain, buffer);
2581 }
2582 }
2583
2584 addr_index++;
2585 }
2586
2587 leave2:
2588 if (info)
2589 mono_free_address_info (info);
2590
2591 return is_ok (error);
2592 }
2593
2594 MonoBoolean
2595 ves_icall_System_Net_Dns_GetHostByName_internal (MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2596 {
2597 MonoError error;
2598 gboolean add_local_ips = FALSE, add_info_ok = TRUE;
2599 gchar this_hostname [256];
2600 MonoAddressInfo *info = NULL;
2601
2602 char *hostname = mono_string_to_utf8_checked (host, &error);
2603 if (mono_error_set_pending_exception (&error))
2604 return FALSE;
2605
2606 if (*hostname == '\0') {
2607 add_local_ips = TRUE;
2608 *h_name = host;
2609 }
2610
2611 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2612 if (!strcmp (hostname, this_hostname)) {
2613 add_local_ips = TRUE;
2614 *h_name = host;
2615 }
2616 }
2617
2618 #ifdef HOST_WIN32
2619 // Win32 APIs already returns local interface addresses for empty hostname ("")
2620 // so we never want to add them manually.
2621 add_local_ips = FALSE;
2622 if (mono_get_address_info(hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2623 add_info_ok = FALSE;
2624 #else
2625 if (*hostname && mono_get_address_info (hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2626 add_info_ok = FALSE;
2627 #endif
2628
2629 g_free(hostname);
2630
2631 if (add_info_ok) {
2632 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, add_local_ips, &error);
2633 mono_error_set_pending_exception (&error);
2634 return result;
2635 }
2636 return FALSE;
2637 }
2638
2639 MonoBoolean
2640 ves_icall_System_Net_Dns_GetHostByAddr_internal (MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2641 {
2642 char *address;
2643 struct sockaddr_in saddr;
2644 struct sockaddr_in6 saddr6;
2645 MonoAddressInfo *info = NULL;
2646 MonoError error;
2647 gint32 family;
2648 gchar hostname [NI_MAXHOST] = { 0 };
2649 gboolean ret;
2650
2651 address = mono_string_to_utf8_checked (addr, &error);
2652 if (mono_error_set_pending_exception (&error))
2653 return FALSE;
2654
2655 if (inet_pton (AF_INET, address, &saddr.sin_addr ) == 1) {
2656 family = AF_INET;
2657 saddr.sin_family = AF_INET;
2658 } else if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) == 1) {
2659 family = AF_INET6;
2660 saddr6.sin6_family = AF_INET6;
2661 } else {
2662 g_free (address);
2663 return FALSE;
2664 }
2665
2666 g_free (address);
2667
2668 MONO_ENTER_GC_SAFE;
2669
2670 switch (family) {
2671 case AF_INET: {
2672 #if HAVE_SOCKADDR_IN_SIN_LEN
2673 saddr.sin_len = sizeof (saddr);
2674 #endif
2675 ret = getnameinfo ((struct sockaddr*)&saddr, sizeof (saddr), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2676 break;
2677 }
2678 case AF_INET6: {
2679 #if HAVE_SOCKADDR_IN6_SIN_LEN
2680 saddr6.sin6_len = sizeof (saddr6);
2681 #endif
2682 ret = getnameinfo ((struct sockaddr*)&saddr6, sizeof (saddr6), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2683 break;
2684 }
2685 default:
2686 g_assert_not_reached ();
2687 }
2688
2689 MONO_EXIT_GC_SAFE;
2690
2691 if (!ret)
2692 return FALSE;
2693
2694 if (mono_get_address_info (hostname, 0, hint | MONO_HINT_CANONICAL_NAME | MONO_HINT_CONFIGURED_ONLY, &info) != 0)
2695 return FALSE;
2696
2697 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE, &error);
2698 mono_error_set_pending_exception (&error);
2699 return result;
2700 }
2701
2702 MonoBoolean
2703 ves_icall_System_Net_Dns_GetHostName_internal (MonoString **h_name)
2704 {
2705 gchar hostname [NI_MAXHOST] = { 0 };
2706 int ret;
2707
2708 ret = gethostname (hostname, sizeof (hostname));
2709 if (ret == -1)
2710 return FALSE;
2711
2712 *h_name = mono_string_new (mono_domain_get (), hostname);
2713
2714 return TRUE;
2715 }
2716
2717 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
2718 gboolean
2719 ves_icall_System_Net_Sockets_Socket_SendFile_internal (SOCKET sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags, gint32 *werror, gboolean blocking)
2720 {
2721 HANDLE file;
2722 gboolean ret;
2723 gboolean interrupted;
2724 TRANSMIT_FILE_BUFFERS buffers;
2725
2726 if (filename == NULL)
2727 return FALSE;
2728
2729 /* FIXME: replace file by a proper fd that we can call open and close on, as they are interruptible */
2730
2731 file = ves_icall_System_IO_MonoIO_Open (filename, FileMode_Open, FileAccess_Read, FileShare_Read, 0, werror);
2732
2733 if (file == INVALID_HANDLE_VALUE) {
2734 SetLastError (*werror);
2735 return FALSE;
2736 }
2737
2738 memset (&buffers, 0, sizeof (buffers));
2739 if (pre_buffer != NULL) {
2740 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
2741 buffers.HeadLength = mono_array_length (pre_buffer);
2742 }
2743 if (post_buffer != NULL) {
2744 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
2745 buffers.TailLength = mono_array_length (post_buffer);
2746 }
2747
2748 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2749 if (interrupted) {
2750 CloseHandle (file);
2751 SetLastError (WSAEINTR);
2752 return FALSE;
2753 }
2754
2755 MONO_ENTER_GC_SAFE;
2756
2757 #ifdef HOST_WIN32
2758 ret = alertable_TransmitFile (sock, file, 0, 0, NULL, &buffers, flags, blocking);
2759 #else
2760 ret = TransmitFile (sock, file, 0, 0, NULL, &buffers, flags);
2761 #endif
2762
2763 MONO_EXIT_GC_SAFE;
2764
2765 if (!ret)
2766 *werror = WSAGetLastError ();
2767
2768 mono_thread_info_uninstall_interrupt (&interrupted);
2769 if (interrupted) {
2770 CloseHandle (file);
2771 *werror = WSAEINTR;
2772 return FALSE;
2773 }
2774
2775 MONO_ENTER_GC_SAFE;
2776
2777 CloseHandle (file);
2778
2779 MONO_EXIT_GC_SAFE;
2780
2781 if (*werror)
2782 return FALSE;
2783
2784 return ret;
2785 }
2786 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
2787
2788 gboolean
2789 ves_icall_System_Net_Sockets_Socket_SupportPortReuse (MonoProtocolType proto)
2790 {
2791 #if defined (SO_REUSEPORT) || defined (HOST_WIN32)
2792 return TRUE;
2793 #else
2794 #ifdef __linux__
2795 /* Linux always supports double binding for UDP, even on older kernels. */
2796 if (proto == ProtocolType_Udp)
2797 return TRUE;
2798 #endif
2799 return FALSE;
2800 #endif
2801 }
2802
2803 void
2804 mono_network_init (void)
2805 {
2806 mono_networking_init ();
2807 }
2808
2809 void
2810 mono_network_cleanup (void)
2811 {
2812 _wapi_cleanup_networking ();
2813 mono_networking_shutdown ();
2814 }
2815
2816 void
2817 icall_cancel_blocking_socket_operation (MonoThread *thread)
2818 {
2819 MonoInternalThread *internal;
2820
2821 internal = thread->internal_thread;
2822 g_assert (internal);
2823
2824 mono_thread_info_abort_socket_syscall_for_close (MONO_UINT_TO_NATIVE_THREAD_ID (internal->tid));
2825 }
2826
2827 #endif /* #ifndef DISABLE_SOCKETS */
Mirror of the official Mono project git repository