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[referencesource] Import parts of System.Net.Sockets.Socket (#3618)
[mono-project.git] / mono / metadata / socket-io.c
blobb4a85f27fa4f6d899ad1f40a3e895e9eaabef393
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-ms-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/utils/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 #include "mono/io-layer/socket-wrappers.h"
97
98 #define LOGDEBUG(...)
99 /* define LOGDEBUG(...) g_message(__VA_ARGS__) */
100
101 static void
102 abort_syscall (gpointer data)
103 {
104 mono_thread_info_abort_socket_syscall_for_close ((MonoNativeThreadId) (gsize) data);
105 }
106
107 static gint32
108 convert_family (MonoAddressFamily mono_family)
109 {
110 switch (mono_family) {
111 case AddressFamily_Unknown:
112 case AddressFamily_ImpLink:
113 case AddressFamily_Pup:
114 case AddressFamily_Chaos:
115 case AddressFamily_Iso:
116 case AddressFamily_Ecma:
117 case AddressFamily_DataKit:
118 case AddressFamily_Ccitt:
119 case AddressFamily_DataLink:
120 case AddressFamily_Lat:
121 case AddressFamily_HyperChannel:
122 case AddressFamily_NetBios:
123 case AddressFamily_VoiceView:
124 case AddressFamily_FireFox:
125 case AddressFamily_Banyan:
126 case AddressFamily_Atm:
127 case AddressFamily_Cluster:
128 case AddressFamily_Ieee12844:
129 case AddressFamily_NetworkDesigners:
130 g_warning ("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
131 return -1;
132 case AddressFamily_Unspecified:
133 return AF_UNSPEC;
134 case AddressFamily_Unix:
135 return AF_UNIX;
136 case AddressFamily_InterNetwork:
137 return AF_INET;
138 case AddressFamily_AppleTalk:
139 return AF_APPLETALK;
140 case AddressFamily_InterNetworkV6:
141 return AF_INET6;
142 case AddressFamily_DecNet:
143 #ifdef AF_DECnet
144 return AF_DECnet;
145 #else
146 return -1;
147 #endif
148 case AddressFamily_Ipx:
149 #ifdef AF_IPX
150 return AF_IPX;
151 #else
152 return -1;
153 #endif
154 case AddressFamily_Sna:
155 #ifdef AF_SNA
156 return AF_SNA;
157 #else
158 return -1;
159 #endif
160 case AddressFamily_Irda:
161 #ifdef AF_IRDA
162 return AF_IRDA;
163 #else
164 return -1;
165 #endif
166 default:
167 g_warning ("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
168 return -1;
169 }
170 }
171
172 static MonoAddressFamily
173 convert_to_mono_family (guint16 af_family)
174 {
175 switch (af_family) {
176 case AF_UNSPEC:
177 return AddressFamily_Unspecified;
178 case AF_UNIX:
179 return AddressFamily_Unix;
180 case AF_INET:
181 return AddressFamily_InterNetwork;
182 #ifdef AF_IPX
183 case AF_IPX:
184 return AddressFamily_Ipx;
185 #endif
186 #ifdef AF_SNA
187 case AF_SNA:
188 return AddressFamily_Sna;
189 #endif
190 #ifdef AF_DECnet
191 case AF_DECnet:
192 return AddressFamily_DecNet;
193 #endif
194 case AF_APPLETALK:
195 return AddressFamily_AppleTalk;
196 case AF_INET6:
197 return AddressFamily_InterNetworkV6;
198 #ifdef AF_IRDA
199 case AF_IRDA:
200 return AddressFamily_Irda;
201 #endif
202 default:
203 g_warning ("unknown address family 0x%x", af_family);
204 return AddressFamily_Unknown;
205 }
206 }
207
208 static gint32
209 convert_type (MonoSocketType mono_type)
210 {
211 switch (mono_type) {
212 case SocketType_Stream:
213 return SOCK_STREAM;
214 case SocketType_Dgram:
215 return SOCK_DGRAM;
216 case SocketType_Raw:
217 return SOCK_RAW;
218 case SocketType_Rdm:
219 #ifdef SOCK_RDM
220 return SOCK_RDM;
221 #else
222 return -1;
223 #endif
224 case SocketType_Seqpacket:
225 return SOCK_SEQPACKET;
226 case SocketType_Unknown:
227 g_warning ("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
228 return -1;
229 default:
230 g_warning ("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
231 return -1;
232 }
233 }
234
235 static gint32
236 convert_proto (MonoProtocolType mono_proto)
237 {
238 switch (mono_proto) {
239 case ProtocolType_IP:
240 case ProtocolType_IPv6:
241 case ProtocolType_Icmp:
242 case ProtocolType_Igmp:
243 case ProtocolType_Ggp:
244 case ProtocolType_Tcp:
245 case ProtocolType_Pup:
246 case ProtocolType_Udp:
247 case ProtocolType_Idp:
248 /* These protocols are known (on my system at least) */
249 return mono_proto;
250 case ProtocolType_ND:
251 case ProtocolType_Raw:
252 case ProtocolType_Ipx:
253 case ProtocolType_Spx:
254 case ProtocolType_SpxII:
255 case ProtocolType_Unknown:
256 /* These protocols arent */
257 g_warning ("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
258 return -1;
259 default:
260 return -1;
261 }
262 }
263
264 /* Convert MonoSocketFlags */
265 static gint32
266 convert_socketflags (gint32 sflags)
267 {
268 gint32 flags = 0;
269
270 if (!sflags)
271 /* SocketFlags.None */
272 return 0;
273
274 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
275 SocketFlags_DontRoute | SocketFlags_Partial))
276 /* Contains invalid flag values */
277 return -1;
278
279 if (sflags & SocketFlags_OutOfBand)
280 flags |= MSG_OOB;
281 if (sflags & SocketFlags_Peek)
282 flags |= MSG_PEEK;
283 if (sflags & SocketFlags_DontRoute)
284 flags |= MSG_DONTROUTE;
285
286 /* Ignore Partial - see bug 349688. Don't return -1, because
287 * according to the comment in that bug ms runtime doesn't for
288 * UDP sockets (this means we will silently ignore it for TCP
289 * too)
290 */
291 #ifdef MSG_MORE
292 if (sflags & SocketFlags_Partial)
293 flags |= MSG_MORE;
294 #endif
295 #if 0
296 /* Don't do anything for MaxIOVectorLength */
297 if (sflags & SocketFlags_MaxIOVectorLength)
298 return -1;
299 #endif
300 return flags;
301 }
302
303 /*
304 * Returns:
305 * 0 on success (mapped mono_level and mono_name to system_level and system_name
306 * -1 on error
307 * -2 on non-fatal error (ie, must ignore)
308 */
309 static gint32
310 convert_sockopt_level_and_name (MonoSocketOptionLevel mono_level, MonoSocketOptionName mono_name, int *system_level, int *system_name)
311 {
312 switch (mono_level) {
313 case SocketOptionLevel_Socket:
314 *system_level = SOL_SOCKET;
315
316 switch (mono_name) {
317 case SocketOptionName_DontLinger:
318 /* This is SO_LINGER, because the setsockopt
319 * internal call maps DontLinger to SO_LINGER
320 * with l_onoff=0
321 */
322 *system_name = SO_LINGER;
323 break;
324 case SocketOptionName_Debug:
325 *system_name = SO_DEBUG;
326 break;
327 #ifdef SO_ACCEPTCONN
328 case SocketOptionName_AcceptConnection:
329 *system_name = SO_ACCEPTCONN;
330 break;
331 #endif
332 case SocketOptionName_ReuseAddress:
333 *system_name = SO_REUSEADDR;
334 break;
335 case SocketOptionName_KeepAlive:
336 *system_name = SO_KEEPALIVE;
337 break;
338 case SocketOptionName_DontRoute:
339 *system_name = SO_DONTROUTE;
340 break;
341 case SocketOptionName_Broadcast:
342 *system_name = SO_BROADCAST;
343 break;
344 case SocketOptionName_Linger:
345 *system_name = SO_LINGER;
346 break;
347 case SocketOptionName_OutOfBandInline:
348 *system_name = SO_OOBINLINE;
349 break;
350 case SocketOptionName_SendBuffer:
351 *system_name = SO_SNDBUF;
352 break;
353 case SocketOptionName_ReceiveBuffer:
354 *system_name = SO_RCVBUF;
355 break;
356 case SocketOptionName_SendLowWater:
357 *system_name = SO_SNDLOWAT;
358 break;
359 case SocketOptionName_ReceiveLowWater:
360 *system_name = SO_RCVLOWAT;
361 break;
362 case SocketOptionName_SendTimeout:
363 *system_name = SO_SNDTIMEO;
364 break;
365 case SocketOptionName_ReceiveTimeout:
366 *system_name = SO_RCVTIMEO;
367 break;
368 case SocketOptionName_Error:
369 *system_name = SO_ERROR;
370 break;
371 case SocketOptionName_Type:
372 *system_name = SO_TYPE;
373 break;
374 #ifdef SO_PEERCRED
375 case SocketOptionName_PeerCred:
376 *system_name = SO_PEERCRED;
377 break;
378 #endif
379 case SocketOptionName_ExclusiveAddressUse:
380 #ifdef SO_EXCLUSIVEADDRUSE
381 *system_name = SO_EXCLUSIVEADDRUSE;
382 break;
383 #endif
384 case SocketOptionName_UseLoopback:
385 #ifdef SO_USELOOPBACK
386 *system_name = SO_USELOOPBACK;
387 break;
388 #endif
389 case SocketOptionName_MaxConnections:
390 #ifdef SO_MAXCONN
391 *system_name = SO_MAXCONN;
392 break;
393 #elif defined(SOMAXCONN)
394 *system_name = SOMAXCONN;
395 break;
396 #endif
397 default:
398 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
399 return -1;
400 }
401 break;
402
403 case SocketOptionLevel_IP:
404 *system_level = mono_networking_get_ip_protocol ();
405
406 switch (mono_name) {
407 case SocketOptionName_IPOptions:
408 *system_name = IP_OPTIONS;
409 break;
410 #ifdef IP_HDRINCL
411 case SocketOptionName_HeaderIncluded:
412 *system_name = IP_HDRINCL;
413 break;
414 #endif
415 #ifdef IP_TOS
416 case SocketOptionName_TypeOfService:
417 *system_name = IP_TOS;
418 break;
419 #endif
420 #ifdef IP_TTL
421 case SocketOptionName_IpTimeToLive:
422 *system_name = IP_TTL;
423 break;
424 #endif
425 case SocketOptionName_MulticastInterface:
426 *system_name = IP_MULTICAST_IF;
427 break;
428 case SocketOptionName_MulticastTimeToLive:
429 *system_name = IP_MULTICAST_TTL;
430 break;
431 case SocketOptionName_MulticastLoopback:
432 *system_name = IP_MULTICAST_LOOP;
433 break;
434 case SocketOptionName_AddMembership:
435 *system_name = IP_ADD_MEMBERSHIP;
436 break;
437 case SocketOptionName_DropMembership:
438 *system_name = IP_DROP_MEMBERSHIP;
439 break;
440 #ifdef HAVE_IP_PKTINFO
441 case SocketOptionName_PacketInformation:
442 *system_name = IP_PKTINFO;
443 break;
444 #endif /* HAVE_IP_PKTINFO */
445
446 case SocketOptionName_DontFragment:
447 #ifdef HAVE_IP_DONTFRAGMENT
448 *system_name = IP_DONTFRAGMENT;
449 break;
450 #elif defined HAVE_IP_MTU_DISCOVER
451 /* Not quite the same */
452 *system_name = IP_MTU_DISCOVER;
453 break;
454 #else
455 /* If the flag is not available on this system, we can ignore this error */
456 return -2;
457 #endif /* HAVE_IP_DONTFRAGMENT */
458 case SocketOptionName_AddSourceMembership:
459 case SocketOptionName_DropSourceMembership:
460 case SocketOptionName_BlockSource:
461 case SocketOptionName_UnblockSource:
462 /* Can't figure out how to map these, so fall
463 * through
464 */
465 default:
466 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
467 return -1;
468 }
469 break;
470
471 case SocketOptionLevel_IPv6:
472 *system_level = mono_networking_get_ipv6_protocol ();
473
474 switch (mono_name) {
475 case SocketOptionName_IpTimeToLive:
476 case SocketOptionName_HopLimit:
477 *system_name = IPV6_UNICAST_HOPS;
478 break;
479 case SocketOptionName_MulticastInterface:
480 *system_name = IPV6_MULTICAST_IF;
481 break;
482 case SocketOptionName_MulticastTimeToLive:
483 *system_name = IPV6_MULTICAST_HOPS;
484 break;
485 case SocketOptionName_MulticastLoopback:
486 *system_name = IPV6_MULTICAST_LOOP;
487 break;
488 case SocketOptionName_AddMembership:
489 *system_name = IPV6_JOIN_GROUP;
490 break;
491 case SocketOptionName_DropMembership:
492 *system_name = IPV6_LEAVE_GROUP;
493 break;
494 case SocketOptionName_IPv6Only:
495 #ifdef IPV6_V6ONLY
496 *system_name = IPV6_V6ONLY;
497 #else
498 return -1;
499 #endif
500 break;
501 case SocketOptionName_PacketInformation:
502 #ifdef HAVE_IPV6_PKTINFO
503 *system_name = IPV6_PKTINFO;
504 #endif
505 break;
506 case SocketOptionName_HeaderIncluded:
507 case SocketOptionName_IPOptions:
508 case SocketOptionName_TypeOfService:
509 case SocketOptionName_DontFragment:
510 case SocketOptionName_AddSourceMembership:
511 case SocketOptionName_DropSourceMembership:
512 case SocketOptionName_BlockSource:
513 case SocketOptionName_UnblockSource:
514 /* Can't figure out how to map these, so fall
515 * through
516 */
517 default:
518 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
519 return -1;
520 }
521 break; /* SocketOptionLevel_IPv6 */
522
523 case SocketOptionLevel_Tcp:
524 *system_level = mono_networking_get_tcp_protocol ();
525
526 switch (mono_name) {
527 case SocketOptionName_NoDelay:
528 *system_name = TCP_NODELAY;
529 break;
530 #if 0
531 /* The documentation is talking complete
532 * bollocks here: rfc-1222 is titled
533 * 'Advancing the NSFNET Routing Architecture'
534 * and doesn't mention either of the words
535 * "expedite" or "urgent".
536 */
537 case SocketOptionName_BsdUrgent:
538 case SocketOptionName_Expedited:
539 #endif
540 default:
541 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
542 return -1;
543 }
544 break;
545
546 case SocketOptionLevel_Udp:
547 g_warning ("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
548
549 switch(mono_name) {
550 case SocketOptionName_NoChecksum:
551 case SocketOptionName_ChecksumCoverage:
552 default:
553 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
554 return -1;
555 }
556 return -1;
557 break;
558
559 default:
560 g_warning ("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
561 return -1;
562 }
563
564 return 0;
565 }
566
567 static MonoImage*
568 get_socket_assembly (void)
569 {
570 MonoDomain *domain = mono_domain_get ();
571
572 if (domain->socket_assembly == NULL) {
573 MonoImage *socket_assembly;
574
575 socket_assembly = mono_image_loaded ("System");
576 if (!socket_assembly) {
577 MonoAssembly *sa = mono_assembly_open ("System.dll", NULL);
578
579 if (!sa) {
580 g_assert_not_reached ();
581 } else {
582 socket_assembly = mono_assembly_get_image (sa);
583 }
584 }
585 mono_atomic_store_release (&domain->socket_assembly, socket_assembly);
586 }
587
588 return domain->socket_assembly;
589 }
590
591 static gint32
592 get_family_hint (MonoError *error)
593 {
594 MonoDomain *domain = mono_domain_get ();
595
596 mono_error_init (error);
597
598 if (!domain->inet_family_hint) {
599 MonoImage *socket_assembly;
600 MonoClass *socket_class;
601 MonoClassField *ipv6_field, *ipv4_field;
602 gint32 ipv6_enabled = -1, ipv4_enabled = -1;
603 MonoVTable *vtable;
604
605 socket_assembly = get_socket_assembly ();
606 g_assert (socket_assembly);
607
608 socket_class = mono_class_load_from_name (socket_assembly, "System.Net.Sockets", "Socket");
609
610 ipv4_field = mono_class_get_field_from_name (socket_class, "ipv4_supported");
611 g_assert (ipv4_field);
612
613 ipv6_field = mono_class_get_field_from_name (socket_class, "ipv6_supported");
614 g_assert (ipv6_field);
615
616 vtable = mono_class_vtable (mono_domain_get (), socket_class);
617 g_assert (vtable);
618
619 mono_runtime_class_init_full (vtable, error);
620 return_val_if_nok (error, -1);
621
622 mono_field_static_get_value_checked (vtable, ipv4_field, &ipv4_enabled, error);
623 return_val_if_nok (error, -1);
624 mono_field_static_get_value_checked (vtable, ipv6_field, &ipv6_enabled, error);
625 return_val_if_nok (error, -1);
626
627 mono_domain_lock (domain);
628 if (ipv4_enabled == 1 && ipv6_enabled == 1) {
629 domain->inet_family_hint = 1;
630 } else if (ipv4_enabled == 1) {
631 domain->inet_family_hint = 2;
632 } else {
633 domain->inet_family_hint = 3;
634 }
635 mono_domain_unlock (domain);
636 }
637 switch (domain->inet_family_hint) {
638 case 1: return PF_UNSPEC;
639 case 2: return PF_INET;
640 case 3: return PF_INET6;
641 default:
642 return PF_UNSPEC;
643 }
644 }
645
646 gpointer
647 ves_icall_System_Net_Sockets_Socket_Socket_internal (MonoObject *this_obj, gint32 family, gint32 type, gint32 proto, gint32 *werror)
648 {
649 SOCKET sock;
650 gint32 sock_family;
651 gint32 sock_proto;
652 gint32 sock_type;
653
654 *werror = 0;
655
656 sock_family = convert_family ((MonoAddressFamily)family);
657 if (sock_family == -1) {
658 *werror = WSAEAFNOSUPPORT;
659 return NULL;
660 }
661
662 sock_proto = convert_proto ((MonoProtocolType)proto);
663 if (sock_proto == -1) {
664 *werror = WSAEPROTONOSUPPORT;
665 return NULL;
666 }
667
668 sock_type = convert_type ((MonoSocketType)type);
669 if (sock_type == -1) {
670 *werror = WSAESOCKTNOSUPPORT;
671 return NULL;
672 }
673
674 sock = _wapi_socket (sock_family, sock_type, sock_proto,
675 NULL, 0, WSA_FLAG_OVERLAPPED);
676
677 if (sock == INVALID_SOCKET) {
678 *werror = WSAGetLastError ();
679 return NULL;
680 }
681
682 return GUINT_TO_POINTER (sock);
683 }
684
685 /* FIXME: the SOCKET parameter (here and in other functions in this
686 * file) is really an IntPtr which needs to be converted to a guint32.
687 */
688 void
689 ves_icall_System_Net_Sockets_Socket_Close_internal (SOCKET sock, gint32 *werror)
690 {
691 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
692
693 *werror = 0;
694
695 /* Clear any pending work item from this socket if the underlying
696 * polling system does not notify when the socket is closed */
697 mono_threadpool_ms_io_remove_socket (GPOINTER_TO_INT (sock));
698
699 MONO_ENTER_GC_SAFE;
700 closesocket (sock);
701 MONO_EXIT_GC_SAFE;
702 }
703
704 gint32
705 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal (void)
706 {
707 LOGDEBUG (g_message("%s: returning %d", __func__, WSAGetLastError ()));
708
709 return WSAGetLastError ();
710 }
711
712 gint32
713 ves_icall_System_Net_Sockets_Socket_Available_internal (SOCKET sock, gint32 *werror)
714 {
715 int ret;
716 int amount;
717
718 *werror = 0;
719
720 /* FIXME: this might require amount to be unsigned long. */
721 ret = ioctlsocket (sock, FIONREAD, &amount);
722 if (ret == SOCKET_ERROR) {
723 *werror = WSAGetLastError ();
724 return 0;
725 }
726
727 return amount;
728 }
729
730 void
731 ves_icall_System_Net_Sockets_Socket_Blocking_internal (SOCKET sock, gboolean block, gint32 *werror)
732 {
733 int ret;
734
735 *werror = 0;
736
737 /*
738 * block == TRUE/FALSE means we will block/not block.
739 * But the ioctlsocket call takes TRUE/FALSE for non-block/block
740 */
741 block = !block;
742
743 ret = ioctlsocket (sock, FIONBIO, (gulong *)&block);
744 if (ret == SOCKET_ERROR)
745 *werror = WSAGetLastError ();
746 }
747
748 gpointer
749 ves_icall_System_Net_Sockets_Socket_Accept_internal (SOCKET sock, gint32 *werror, gboolean blocking)
750 {
751 gboolean interrupted;
752 SOCKET newsock;
753
754 *werror = 0;
755
756 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
757 if (interrupted) {
758 *werror = WSAEINTR;
759 return NULL;
760 }
761
762 MONO_ENTER_GC_SAFE;
763
764 #ifdef HOST_WIN32
765 {
766 MonoInternalThread *curthread = mono_thread_internal_current ();
767 curthread->interrupt_on_stop = (gpointer)TRUE;
768 newsock = _wapi_accept (sock, NULL, 0);
769 curthread->interrupt_on_stop = (gpointer)FALSE;
770 }
771 #else
772 newsock = _wapi_accept (sock, NULL, 0);
773 #endif
774
775 MONO_EXIT_GC_SAFE;
776
777 if (newsock == INVALID_SOCKET)
778 *werror = WSAGetLastError ();
779
780 mono_thread_info_uninstall_interrupt (&interrupted);
781 if (interrupted)
782 *werror = WSAEINTR;
783
784 if (*werror)
785 return NULL;
786
787 return GUINT_TO_POINTER (newsock);
788 }
789
790 void
791 ves_icall_System_Net_Sockets_Socket_Listen_internal(SOCKET sock, guint32 backlog, gint32 *werror)
792 {
793 int ret;
794
795 *werror = 0;
796
797 MONO_ENTER_GC_SAFE;
798
799 ret = _wapi_listen (sock, backlog);
800
801 MONO_EXIT_GC_SAFE;
802
803 if (ret == SOCKET_ERROR)
804 *werror = WSAGetLastError ();
805 }
806
807 // Check whether it's ::ffff::0:0.
808 static gboolean
809 is_ipv4_mapped_any (const struct in6_addr *addr)
810 {
811 int i;
812
813 for (i = 0; i < 10; i++) {
814 if (addr->s6_addr [i])
815 return FALSE;
816 }
817 if ((addr->s6_addr [10] != 0xff) || (addr->s6_addr [11] != 0xff))
818 return FALSE;
819 for (i = 12; i < 16; i++) {
820 if (addr->s6_addr [i])
821 return FALSE;
822 }
823 return TRUE;
824 }
825
826 static MonoObject*
827 create_object_from_sockaddr (struct sockaddr *saddr, int sa_size, gint32 *werror, MonoError *error)
828 {
829 MonoDomain *domain = mono_domain_get ();
830 MonoObject *sockaddr_obj;
831 MonoArray *data;
832 MonoAddressFamily family;
833
834 mono_error_init (error);
835
836 /* Build a System.Net.SocketAddress object instance */
837 if (!domain->sockaddr_class)
838 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
839 sockaddr_obj = mono_object_new_checked (domain, domain->sockaddr_class, error);
840 return_val_if_nok (error, NULL);
841
842 /* Locate the SocketAddress data buffer in the object */
843 if (!domain->sockaddr_data_field) {
844 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
845 g_assert (domain->sockaddr_data_field);
846 }
847
848 /* Locate the SocketAddress data buffer length in the object */
849 if (!domain->sockaddr_data_length_field) {
850 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
851 g_assert (domain->sockaddr_data_length_field);
852 }
853
854 /* May be the +2 here is too conservative, as sa_len returns
855 * the length of the entire sockaddr_in/in6, including
856 * sizeof (unsigned short) of the family */
857 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
858 data = mono_array_new_cached (domain, mono_get_byte_class (), sa_size + 2, error);
859 return_val_if_nok (error, NULL);
860
861 /* The data buffer is laid out as follows:
862 * bytes 0 and 1 are the address family
863 * bytes 2 and 3 are the port info
864 * the rest is the address info
865 */
866
867 family = convert_to_mono_family (saddr->sa_family);
868 if (family == AddressFamily_Unknown) {
869 *werror = WSAEAFNOSUPPORT;
870 return NULL;
871 }
872
873 mono_array_set (data, guint8, 0, family & 0x0FF);
874 mono_array_set (data, guint8, 1, (family >> 8) & 0x0FF);
875
876 if (saddr->sa_family == AF_INET) {
877 struct sockaddr_in *sa_in = (struct sockaddr_in *)saddr;
878 guint16 port = ntohs (sa_in->sin_port);
879 guint32 address = ntohl (sa_in->sin_addr.s_addr);
880 int buffer_size = 8;
881
882 if (sa_size < buffer_size) {
883 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
884 return NULL;
885 }
886
887 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
888 mono_array_set (data, guint8, 3, (port) & 0xff);
889 mono_array_set (data, guint8, 4, (address>>24) & 0xff);
890 mono_array_set (data, guint8, 5, (address>>16) & 0xff);
891 mono_array_set (data, guint8, 6, (address>>8) & 0xff);
892 mono_array_set (data, guint8, 7, (address) & 0xff);
893
894 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
895 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
896
897 return sockaddr_obj;
898 } else if (saddr->sa_family == AF_INET6) {
899 struct sockaddr_in6 *sa_in = (struct sockaddr_in6 *)saddr;
900 int i;
901 int buffer_size = 28;
902
903 guint16 port = ntohs (sa_in->sin6_port);
904
905 if (sa_size < buffer_size) {
906 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
907 return NULL;
908 }
909
910 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
911 mono_array_set (data, guint8, 3, (port) & 0xff);
912
913 if (is_ipv4_mapped_any (&sa_in->sin6_addr)) {
914 // Map ::ffff:0:0 to :: (bug #5502)
915 for (i = 0; i < 16; i++)
916 mono_array_set (data, guint8, 8 + i, 0);
917 } else {
918 for (i = 0; i < 16; i++) {
919 mono_array_set (data, guint8, 8 + i,
920 sa_in->sin6_addr.s6_addr [i]);
921 }
922 }
923
924 mono_array_set (data, guint8, 24, sa_in->sin6_scope_id & 0xff);
925 mono_array_set (data, guint8, 25,
926 (sa_in->sin6_scope_id >> 8) & 0xff);
927 mono_array_set (data, guint8, 26,
928 (sa_in->sin6_scope_id >> 16) & 0xff);
929 mono_array_set (data, guint8, 27,
930 (sa_in->sin6_scope_id >> 24) & 0xff);
931
932 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
933 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
934
935 return sockaddr_obj;
936 }
937 #ifdef HAVE_SYS_UN_H
938 else if (saddr->sa_family == AF_UNIX) {
939 int i;
940 int buffer_size = sa_size + 2;
941
942 for (i = 0; i < sa_size; i++)
943 mono_array_set (data, guint8, i + 2, saddr->sa_data [i]);
944
945 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
946 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
947
948 return sockaddr_obj;
949 }
950 #endif
951 else {
952 *werror = WSAEAFNOSUPPORT;
953 return NULL;
954 }
955 }
956
957 static int
958 get_sockaddr_size (int family)
959 {
960 int size;
961
962 size = 0;
963 if (family == AF_INET) {
964 size = sizeof (struct sockaddr_in);
965 } else if (family == AF_INET6) {
966 size = sizeof (struct sockaddr_in6);
967 }
968 #ifdef HAVE_SYS_UN_H
969 else if (family == AF_UNIX) {
970 size = sizeof (struct sockaddr_un);
971 }
972 #endif
973 return size;
974 }
975
976 MonoObject*
977 ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal (SOCKET sock, gint32 af, gint32 *werror)
978 {
979 gchar *sa;
980 socklen_t salen;
981 int ret;
982 MonoObject *result;
983 MonoError error;
984
985 *werror = 0;
986
987 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
988 if (salen == 0) {
989 *werror = WSAEAFNOSUPPORT;
990 return NULL;
991 }
992 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
993
994 MONO_ENTER_GC_SAFE;
995
996 ret = _wapi_getsockname (sock, (struct sockaddr *)sa, &salen);
997
998 MONO_EXIT_GC_SAFE;
999
1000 if (ret == SOCKET_ERROR) {
1001 *werror = WSAGetLastError ();
1002 if (salen > 128)
1003 g_free (sa);
1004 return NULL;
1005 }
1006
1007 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)));
1008
1009 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1010 if (salen > 128)
1011 g_free (sa);
1012 if (!mono_error_ok (&error))
1013 mono_error_set_pending_exception (&error);
1014 return result;
1015 }
1016
1017 MonoObject*
1018 ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal (SOCKET sock, gint32 af, gint32 *werror)
1019 {
1020 gchar *sa;
1021 socklen_t salen;
1022 int ret;
1023 MonoObject *result;
1024 MonoError error;
1025
1026 *werror = 0;
1027
1028 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1029 if (salen == 0) {
1030 *werror = WSAEAFNOSUPPORT;
1031 return NULL;
1032 }
1033 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1034 /* Note: linux returns just 2 for AF_UNIX. Always. */
1035
1036 MONO_ENTER_GC_SAFE;
1037
1038 ret = _wapi_getpeername (sock, (struct sockaddr *)sa, &salen);
1039
1040 MONO_EXIT_GC_SAFE;
1041
1042 if (ret == SOCKET_ERROR) {
1043 *werror = WSAGetLastError ();
1044 if (salen > 128)
1045 g_free (sa);
1046 return NULL;
1047 }
1048
1049 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)));
1050
1051 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1052 if (salen > 128)
1053 g_free (sa);
1054 if (!mono_error_ok (&error))
1055 mono_error_set_pending_exception (&error);
1056 return result;
1057 }
1058
1059 static struct sockaddr*
1060 create_sockaddr_from_object (MonoObject *saddr_obj, socklen_t *sa_size, gint32 *werror, MonoError *error)
1061 {
1062 MonoDomain *domain = mono_domain_get ();
1063 MonoArray *data;
1064 gint32 family;
1065 int len;
1066
1067 mono_error_init (error);
1068
1069 if (!domain->sockaddr_class)
1070 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
1071
1072 /* Locate the SocketAddress data buffer in the object */
1073 if (!domain->sockaddr_data_field) {
1074 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
1075 g_assert (domain->sockaddr_data_field);
1076 }
1077
1078 /* Locate the SocketAddress data buffer length in the object */
1079 if (!domain->sockaddr_data_length_field) {
1080 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
1081 g_assert (domain->sockaddr_data_length_field);
1082 }
1083
1084 data = *(MonoArray **)(((char *)saddr_obj) + domain->sockaddr_data_field->offset);
1085
1086 /* The data buffer is laid out as follows:
1087 * byte 0 is the address family low byte
1088 * byte 1 is the address family high byte
1089 * INET:
1090 * bytes 2 and 3 are the port info
1091 * the rest is the address info
1092 * UNIX:
1093 * the rest is the file name
1094 */
1095 len = *(int *)(((char *)saddr_obj) + domain->sockaddr_data_length_field->offset);
1096 g_assert (len >= 2);
1097
1098 family = convert_family ((MonoAddressFamily)(mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8)));
1099 if (family == AF_INET) {
1100 struct sockaddr_in *sa;
1101 guint16 port;
1102 guint32 address;
1103
1104 if (len < 8) {
1105 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1106 return NULL;
1107 }
1108
1109 sa = g_new0 (struct sockaddr_in, 1);
1110 port = (mono_array_get (data, guint8, 2) << 8) +
1111 mono_array_get (data, guint8, 3);
1112 address = (mono_array_get (data, guint8, 4) << 24) +
1113 (mono_array_get (data, guint8, 5) << 16 ) +
1114 (mono_array_get (data, guint8, 6) << 8) +
1115 mono_array_get (data, guint8, 7);
1116
1117 sa->sin_family = family;
1118 sa->sin_addr.s_addr = htonl (address);
1119 sa->sin_port = htons (port);
1120
1121 *sa_size = sizeof (struct sockaddr_in);
1122 return (struct sockaddr *)sa;
1123 } else if (family == AF_INET6) {
1124 struct sockaddr_in6 *sa;
1125 int i;
1126 guint16 port;
1127 guint32 scopeid;
1128
1129 if (len < 28) {
1130 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1131 return NULL;
1132 }
1133
1134 sa = g_new0 (struct sockaddr_in6, 1);
1135 port = mono_array_get (data, guint8, 3) +
1136 (mono_array_get (data, guint8, 2) << 8);
1137 scopeid = mono_array_get (data, guint8, 24) +
1138 (mono_array_get (data, guint8, 25) << 8) +
1139 (mono_array_get (data, guint8, 26) << 16) +
1140 (mono_array_get (data, guint8, 27) << 24);
1141
1142 sa->sin6_family = family;
1143 sa->sin6_port = htons (port);
1144 sa->sin6_scope_id = scopeid;
1145
1146 for (i = 0; i < 16; i++)
1147 sa->sin6_addr.s6_addr [i] = mono_array_get (data, guint8, 8 + i);
1148
1149 *sa_size = sizeof (struct sockaddr_in6);
1150 return (struct sockaddr *)sa;
1151 }
1152 #ifdef HAVE_SYS_UN_H
1153 else if (family == AF_UNIX) {
1154 struct sockaddr_un *sock_un;
1155 int i;
1156
1157 /* Need a byte for the '\0' terminator/prefix, and the first
1158 * two bytes hold the SocketAddress family
1159 */
1160 if (len - 2 >= sizeof (sock_un->sun_path)) {
1161 mono_error_set_exception_instance (error, mono_get_exception_index_out_of_range ());
1162 return NULL;
1163 }
1164
1165 sock_un = g_new0 (struct sockaddr_un, 1);
1166
1167 sock_un->sun_family = family;
1168 for (i = 0; i < len - 2; i++)
1169 sock_un->sun_path [i] = mono_array_get (data, guint8, i + 2);
1170
1171 *sa_size = len;
1172 return (struct sockaddr *)sock_un;
1173 }
1174 #endif
1175 else {
1176 *werror = WSAEAFNOSUPPORT;
1177 return 0;
1178 }
1179 }
1180
1181 void
1182 ves_icall_System_Net_Sockets_Socket_Bind_internal (SOCKET sock, MonoObject *sockaddr, gint32 *werror)
1183 {
1184 MonoError error;
1185 struct sockaddr *sa;
1186 socklen_t sa_size;
1187 int ret;
1188
1189 *werror = 0;
1190
1191 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1192 if (*werror != 0)
1193 return;
1194 if (!mono_error_ok (&error)) {
1195 mono_error_set_pending_exception (&error);
1196 return;
1197 }
1198
1199 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)));
1200
1201 ret = _wapi_bind (sock, sa, sa_size);
1202
1203 if (ret == SOCKET_ERROR)
1204 *werror = WSAGetLastError ();
1205
1206 g_free (sa);
1207 }
1208
1209 enum {
1210 SelectModeRead,
1211 SelectModeWrite,
1212 SelectModeError
1213 };
1214
1215 MonoBoolean
1216 ves_icall_System_Net_Sockets_Socket_Poll_internal (SOCKET sock, gint mode,
1217 gint timeout, gint32 *werror)
1218 {
1219 MonoInternalThread *thread = mono_thread_internal_current ();
1220 mono_pollfd *pfds;
1221 int ret;
1222 gboolean interrupted;
1223 time_t start;
1224
1225 *werror = 0;
1226
1227 pfds = g_new0 (mono_pollfd, 1);
1228 pfds->fd = GPOINTER_TO_INT (sock);
1229
1230 switch (mode) {
1231 case SelectModeRead:
1232 pfds->events = MONO_POLLIN;
1233 break;
1234 case SelectModeWrite:
1235 pfds->events = MONO_POLLOUT;
1236 break;
1237 default:
1238 pfds->events = MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL;
1239 break;
1240 }
1241
1242 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1243 start = time (NULL);
1244
1245 do {
1246 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1247 if (interrupted) {
1248 g_free (pfds);
1249 *werror = WSAEINTR;
1250 return FALSE;
1251 }
1252
1253 MONO_ENTER_GC_SAFE;
1254
1255 ret = mono_poll (pfds, 1, timeout);
1256
1257 MONO_EXIT_GC_SAFE;
1258
1259 mono_thread_info_uninstall_interrupt (&interrupted);
1260 if (interrupted) {
1261 g_free (pfds);
1262 *werror = WSAEINTR;
1263 return FALSE;
1264 }
1265
1266 if (timeout > 0 && ret < 0) {
1267 int err = errno;
1268 int sec = time (NULL) - start;
1269
1270 timeout -= sec * 1000;
1271 if (timeout < 0) {
1272 timeout = 0;
1273 }
1274
1275 errno = err;
1276 }
1277
1278 if (ret == -1 && errno == EINTR) {
1279 if (mono_thread_test_state (thread, (MonoThreadState)(ThreadState_AbortRequested | ThreadState_StopRequested))) {
1280 g_free (pfds);
1281 return FALSE;
1282 }
1283
1284 /* Suspend requested? */
1285 mono_thread_interruption_checkpoint ();
1286
1287 errno = EINTR;
1288 }
1289 } while (ret == -1 && errno == EINTR);
1290
1291 if (ret == -1) {
1292 #ifdef HOST_WIN32
1293 *werror = WSAGetLastError ();
1294 #else
1295 *werror = errno_to_WSA (errno, __func__);
1296 #endif
1297 g_free (pfds);
1298 return FALSE;
1299 }
1300
1301 g_free (pfds);
1302 return ret != 0;
1303 }
1304
1305 void
1306 ves_icall_System_Net_Sockets_Socket_Connect_internal (SOCKET sock, MonoObject *sockaddr, gint32 *werror)
1307 {
1308 MonoError error;
1309 struct sockaddr *sa;
1310 socklen_t sa_size;
1311 int ret;
1312 gboolean interrupted;
1313
1314 *werror = 0;
1315
1316 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1317 if (*werror != 0)
1318 return;
1319 if (!mono_error_ok (&error)) {
1320 mono_error_set_pending_exception (&error);
1321 return;
1322 }
1323
1324 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)));
1325
1326 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1327 if (interrupted) {
1328 *werror = WSAEINTR;
1329 return;
1330 }
1331
1332 MONO_ENTER_GC_SAFE;
1333
1334 ret = _wapi_connect (sock, sa, sa_size);
1335
1336 MONO_EXIT_GC_SAFE;
1337
1338 if (ret == SOCKET_ERROR)
1339 *werror = WSAGetLastError ();
1340
1341 mono_thread_info_uninstall_interrupt (&interrupted);
1342 if (interrupted)
1343 *werror = WSAEINTR;
1344
1345 g_free (sa);
1346 }
1347
1348 /* These #defines from mswsock.h from wine. Defining them here allows
1349 * us to build this file on a mingw box that doesn't know the magic
1350 * numbers, but still run on a newer windows box that does.
1351 */
1352 #ifndef WSAID_DISCONNECTEX
1353 #define WSAID_DISCONNECTEX {0x7fda2e11,0x8630,0x436f,{0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}}
1354 typedef BOOL (WINAPI *LPFN_DISCONNECTEX)(SOCKET, LPOVERLAPPED, DWORD, DWORD);
1355 #endif
1356
1357 #ifndef WSAID_TRANSMITFILE
1358 #define WSAID_TRANSMITFILE {0xb5367df0,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}}
1359 typedef BOOL (WINAPI *LPFN_TRANSMITFILE)(SOCKET, HANDLE, DWORD, DWORD, LPOVERLAPPED, LPTRANSMIT_FILE_BUFFERS, DWORD);
1360 #endif
1361
1362 void
1363 ves_icall_System_Net_Sockets_Socket_Disconnect_internal (SOCKET sock, MonoBoolean reuse, gint32 *werror)
1364 {
1365 int ret;
1366 glong output_bytes = 0;
1367 GUID disco_guid = WSAID_DISCONNECTEX;
1368 GUID trans_guid = WSAID_TRANSMITFILE;
1369 LPFN_DISCONNECTEX _wapi_disconnectex = NULL;
1370 LPFN_TRANSMITFILE _wapi_transmitfile = NULL;
1371 gboolean interrupted;
1372
1373 *werror = 0;
1374
1375 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1376
1377 MONO_ENTER_GC_SAFE;
1378
1379 /* I _think_ the extension function pointers need to be looked
1380 * up for each socket. FIXME: check the best way to store
1381 * pointers to functions in managed objects that still works
1382 * on 64bit platforms.
1383 */
1384 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER, (gchar *)&disco_guid, sizeof (GUID),
1385 (gchar *)&_wapi_disconnectex, sizeof (void *), &output_bytes, NULL, NULL);
1386
1387 MONO_EXIT_GC_SAFE;
1388
1389 if (ret != 0) {
1390 /* make sure that WSAIoctl didn't put crap in the
1391 * output pointer
1392 */
1393 _wapi_disconnectex = NULL;
1394
1395 MONO_ENTER_GC_SAFE;
1396
1397 /*
1398 * Use the SIO_GET_EXTENSION_FUNCTION_POINTER to
1399 * determine the address of the disconnect method without
1400 * taking a hard dependency on a single provider
1401 *
1402 * For an explanation of why this is done, you can read
1403 * the article at http://www.codeproject.com/internet/jbsocketserver3.asp
1404 */
1405 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER, (gchar *)&trans_guid, sizeof(GUID),
1406 (gchar *)&_wapi_transmitfile, sizeof(void *), &output_bytes, NULL, NULL);
1407
1408 MONO_EXIT_GC_SAFE;
1409
1410 if (ret != 0)
1411 _wapi_transmitfile = NULL;
1412 }
1413
1414 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1415 if (interrupted) {
1416 *werror = WSAEINTR;
1417 return;
1418 }
1419
1420 MONO_ENTER_GC_SAFE;
1421
1422 if (_wapi_disconnectex != NULL) {
1423 if (!_wapi_disconnectex (sock, NULL, reuse ? TF_REUSE_SOCKET : 0, 0))
1424 *werror = WSAGetLastError ();
1425 } else if (_wapi_transmitfile != NULL) {
1426 if (!_wapi_transmitfile (sock, NULL, 0, 0, NULL, NULL, TF_DISCONNECT | (reuse ? TF_REUSE_SOCKET : 0)))
1427 *werror = WSAGetLastError ();
1428 } else {
1429 *werror = ERROR_NOT_SUPPORTED;
1430 }
1431
1432 MONO_EXIT_GC_SAFE;
1433
1434 mono_thread_info_uninstall_interrupt (&interrupted);
1435 if (interrupted)
1436 *werror = WSAEINTR;
1437 }
1438
1439 gint32
1440 ves_icall_System_Net_Sockets_Socket_Receive_internal (SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror)
1441 {
1442 int ret;
1443 guchar *buf;
1444 gint32 alen;
1445 int recvflags = 0;
1446 gboolean interrupted;
1447 MonoInternalThread* curthread G_GNUC_UNUSED = mono_thread_internal_current ();
1448
1449 *werror = 0;
1450
1451 alen = mono_array_length (buffer);
1452 if (offset > alen - count)
1453 return 0;
1454
1455 buf = mono_array_addr (buffer, guchar, offset);
1456
1457 recvflags = convert_socketflags (flags);
1458 if (recvflags == -1) {
1459 *werror = WSAEOPNOTSUPP;
1460 return 0;
1461 }
1462
1463 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1464 if (interrupted)
1465 return 0;
1466
1467 MONO_ENTER_GC_SAFE;
1468
1469 #ifdef HOST_WIN32
1470 {
1471 curthread->interrupt_on_stop = (gpointer)TRUE;
1472 ret = _wapi_recv (sock, buf, count, recvflags);
1473 curthread->interrupt_on_stop = (gpointer)FALSE;
1474 }
1475 #else
1476 ret = _wapi_recv (sock, buf, count, recvflags);
1477 #endif
1478
1479 MONO_EXIT_GC_SAFE;
1480
1481 if (ret == SOCKET_ERROR)
1482 *werror = WSAGetLastError ();
1483
1484 mono_thread_info_uninstall_interrupt (&interrupted);
1485 if (interrupted)
1486 *werror = WSAEINTR;
1487
1488 if (*werror)
1489 return 0;
1490
1491 return ret;
1492 }
1493
1494 gint32
1495 ves_icall_System_Net_Sockets_Socket_Receive_array_internal (SOCKET sock, MonoArray *buffers, gint32 flags, gint32 *werror)
1496 {
1497 int ret, count;
1498 gboolean interrupted;
1499 DWORD recv;
1500 WSABUF *wsabufs;
1501 DWORD recvflags = 0;
1502
1503 *werror = 0;
1504
1505 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1506 count = mono_array_length (buffers);
1507
1508 recvflags = convert_socketflags (flags);
1509 if (recvflags == -1) {
1510 *werror = WSAEOPNOTSUPP;
1511 return 0;
1512 }
1513
1514 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1515 if (interrupted) {
1516 *werror = WSAEINTR;
1517 return 0;
1518 }
1519
1520 MONO_ENTER_GC_SAFE;
1521
1522 ret = WSARecv (sock, wsabufs, count, &recv, &recvflags, NULL, NULL);
1523
1524 MONO_EXIT_GC_SAFE;
1525
1526 if (ret == SOCKET_ERROR)
1527 *werror = WSAGetLastError ();
1528
1529 mono_thread_info_uninstall_interrupt (&interrupted);
1530 if (interrupted)
1531 *werror = WSAEINTR;
1532
1533 if (*werror)
1534 return 0;
1535
1536 return recv;
1537 }
1538
1539 gint32
1540 ves_icall_System_Net_Sockets_Socket_ReceiveFrom_internal (SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *werror)
1541 {
1542 MonoError error;
1543 int ret;
1544 guchar *buf;
1545 gint32 alen;
1546 int recvflags = 0;
1547 struct sockaddr *sa;
1548 socklen_t sa_size;
1549 gboolean interrupted;
1550
1551 *werror = 0;
1552
1553 alen = mono_array_length (buffer);
1554 if (offset > alen - count)
1555 return 0;
1556
1557 sa = create_sockaddr_from_object (*sockaddr, &sa_size, werror, &error);
1558 if (*werror != 0)
1559 return 0;
1560 if (!mono_error_ok (&error)) {
1561 mono_error_set_pending_exception (&error);
1562 return 0;
1563 }
1564
1565 buf = mono_array_addr (buffer, guchar, offset);
1566
1567 recvflags = convert_socketflags (flags);
1568 if (recvflags == -1) {
1569 *werror = WSAEOPNOTSUPP;
1570 return 0;
1571 }
1572
1573 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1574 if (interrupted) {
1575 g_free (sa);
1576 *werror = WSAEINTR;
1577 return 0;
1578 }
1579
1580 MONO_ENTER_GC_SAFE;
1581
1582 ret = _wapi_recvfrom (sock, buf, count, recvflags, sa, &sa_size);
1583
1584 MONO_EXIT_GC_SAFE;
1585
1586 if (ret == SOCKET_ERROR)
1587 *werror = WSAGetLastError ();
1588
1589 mono_thread_info_uninstall_interrupt (&interrupted);
1590
1591 if (interrupted)
1592 *werror = WSAEINTR;
1593
1594 if (*werror) {
1595 g_free(sa);
1596 return 0;
1597 }
1598
1599 /* If we didn't get a socket size, then we're probably a
1600 * connected connection-oriented socket and the stack hasn't
1601 * returned the remote address. All we can do is return null.
1602 */
1603 if (sa_size) {
1604 *sockaddr = create_object_from_sockaddr (sa, sa_size, werror, &error);
1605 if (!mono_error_ok (&error)) {
1606 mono_error_set_pending_exception (&error);
1607 g_free (sa);
1608 return 0;
1609 }
1610 } else {
1611 *sockaddr = NULL;
1612 }
1613
1614 g_free (sa);
1615
1616 return ret;
1617 }
1618
1619 gint32
1620 ves_icall_System_Net_Sockets_Socket_Send_internal (SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror)
1621 {
1622 int ret;
1623 guchar *buf;
1624 gint32 alen;
1625 int sendflags = 0;
1626 gboolean interrupted;
1627
1628 *werror = 0;
1629
1630 alen = mono_array_length (buffer);
1631 if (offset > alen - count)
1632 return 0;
1633
1634 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1635
1636 buf = mono_array_addr (buffer, guchar, offset);
1637
1638 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1639
1640 sendflags = convert_socketflags (flags);
1641 if (sendflags == -1) {
1642 *werror = WSAEOPNOTSUPP;
1643 return 0;
1644 }
1645
1646 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1647 if (interrupted) {
1648 *werror = WSAEINTR;
1649 return 0;
1650 }
1651
1652 MONO_ENTER_GC_SAFE;
1653
1654 ret = _wapi_send (sock, buf, count, sendflags);
1655
1656 MONO_EXIT_GC_SAFE;
1657
1658 if (ret == SOCKET_ERROR)
1659 *werror = WSAGetLastError ();
1660
1661 mono_thread_info_uninstall_interrupt (&interrupted);
1662 if (interrupted)
1663 *werror = WSAEINTR;
1664
1665 if (*werror)
1666 return 0;
1667
1668 return ret;
1669 }
1670
1671 gint32
1672 ves_icall_System_Net_Sockets_Socket_Send_array_internal (SOCKET sock, MonoArray *buffers, gint32 flags, gint32 *werror)
1673 {
1674 int ret, count;
1675 DWORD sent;
1676 WSABUF *wsabufs;
1677 DWORD sendflags = 0;
1678 gboolean interrupted;
1679
1680 *werror = 0;
1681
1682 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1683 count = mono_array_length (buffers);
1684
1685 sendflags = convert_socketflags (flags);
1686 if (sendflags == -1) {
1687 *werror = WSAEOPNOTSUPP;
1688 return 0;
1689 }
1690
1691 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1692 if (interrupted) {
1693 *werror = WSAEINTR;
1694 return 0;
1695 }
1696
1697 MONO_ENTER_GC_SAFE;
1698
1699 ret = WSASend (sock, wsabufs, count, &sent, sendflags, NULL, NULL);
1700
1701 MONO_EXIT_GC_SAFE;
1702
1703 if (ret == SOCKET_ERROR)
1704 *werror = WSAGetLastError ();
1705
1706 mono_thread_info_uninstall_interrupt (&interrupted);
1707 if (interrupted)
1708 *werror = WSAEINTR;
1709
1710 if (*werror)
1711 return 0;
1712
1713 return sent;
1714 }
1715
1716 gint32
1717 ves_icall_System_Net_Sockets_Socket_SendTo_internal (SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *werror)
1718 {
1719 MonoError error;
1720 int ret;
1721 guchar *buf;
1722 gint32 alen;
1723 int sendflags = 0;
1724 struct sockaddr *sa;
1725 socklen_t sa_size;
1726 gboolean interrupted;
1727
1728 *werror = 0;
1729
1730 alen = mono_array_length (buffer);
1731 if (offset > alen - count) {
1732 return 0;
1733 }
1734
1735 sa = create_sockaddr_from_object(sockaddr, &sa_size, werror, &error);
1736 if (*werror != 0)
1737 return 0;
1738 if (!mono_error_ok (&error)) {
1739 mono_error_set_pending_exception (&error);
1740 return 0;
1741 }
1742
1743 LOGDEBUG (g_message ("%s: alen: %d", __func__, alen));
1744
1745 buf = mono_array_addr (buffer, guchar, offset);
1746
1747 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1748
1749 sendflags = convert_socketflags (flags);
1750 if (sendflags == -1) {
1751 g_free (sa);
1752 *werror = WSAEOPNOTSUPP;
1753 return 0;
1754 }
1755
1756 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1757 if (interrupted) {
1758 g_free (sa);
1759 *werror = WSAEINTR;
1760 return 0;
1761 }
1762
1763 MONO_ENTER_GC_SAFE;
1764
1765 ret = _wapi_sendto (sock, buf, count, sendflags, sa, sa_size);
1766
1767 MONO_EXIT_GC_SAFE;
1768
1769 if (ret == SOCKET_ERROR)
1770 *werror = WSAGetLastError ();
1771
1772 mono_thread_info_uninstall_interrupt (&interrupted);
1773 if (interrupted)
1774 *werror = WSAEINTR;
1775
1776 g_free(sa);
1777
1778 if (*werror)
1779 return 0;
1780
1781 return ret;
1782 }
1783
1784 static SOCKET
1785 Socket_to_SOCKET (MonoObject *sockobj)
1786 {
1787 MonoSafeHandle *safe_handle;
1788 MonoClassField *field;
1789
1790 field = mono_class_get_field_from_name (sockobj->vtable->klass, "m_Handle");
1791 safe_handle = ((MonoSafeHandle *)(*(gpointer *)(((char *)sockobj) + field->offset)));
1792
1793 if (safe_handle == NULL)
1794 return -1;
1795
1796 return (SOCKET)safe_handle->handle;
1797 }
1798
1799 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1800
1801 void
1802 ves_icall_System_Net_Sockets_Socket_Select_internal (MonoArray **sockets, gint32 timeout, gint32 *werror)
1803 {
1804 MonoError error;
1805 MonoInternalThread *thread = mono_thread_internal_current ();
1806 MonoObject *obj;
1807 mono_pollfd *pfds;
1808 int nfds, idx;
1809 int ret;
1810 int i, count;
1811 int mode;
1812 MonoClass *sock_arr_class;
1813 MonoArray *socks;
1814 time_t start;
1815 uintptr_t socks_size;
1816 gboolean interrupted;
1817
1818 *werror = 0;
1819
1820 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1821 count = mono_array_length (*sockets);
1822 nfds = count - 3; /* NULL separators */
1823 pfds = g_new0 (mono_pollfd, nfds);
1824 mode = idx = 0;
1825 for (i = 0; i < count; i++) {
1826 obj = mono_array_get (*sockets, MonoObject *, i);
1827 if (obj == NULL) {
1828 mode++;
1829 continue;
1830 }
1831
1832 if (idx >= nfds) {
1833 /* The socket array was bogus */
1834 g_free (pfds);
1835 *werror = WSAEFAULT;
1836 return;
1837 }
1838
1839 pfds [idx].fd = Socket_to_SOCKET (obj);
1840 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1841 idx++;
1842 }
1843
1844 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1845 start = time (NULL);
1846 do {
1847 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1848 if (interrupted) {
1849 g_free (pfds);
1850 *werror = WSAEINTR;
1851 return;
1852 }
1853
1854 MONO_ENTER_GC_SAFE;
1855
1856 ret = mono_poll (pfds, nfds, timeout);
1857
1858 MONO_EXIT_GC_SAFE;
1859
1860 mono_thread_info_uninstall_interrupt (&interrupted);
1861 if (interrupted) {
1862 g_free (pfds);
1863 *werror = WSAEINTR;
1864 return;
1865 }
1866
1867 if (timeout > 0 && ret < 0) {
1868 int err = errno;
1869 int sec = time (NULL) - start;
1870
1871 timeout -= sec * 1000;
1872 if (timeout < 0)
1873 timeout = 0;
1874 errno = err;
1875 }
1876
1877 if (ret == -1 && errno == EINTR) {
1878 if (mono_thread_test_state (thread, (MonoThreadState)(ThreadState_AbortRequested | ThreadState_StopRequested))) {
1879 g_free (pfds);
1880 *sockets = NULL;
1881 return;
1882 }
1883
1884 /* Suspend requested? */
1885 mono_thread_interruption_checkpoint ();
1886
1887 errno = EINTR;
1888 }
1889 } while (ret == -1 && errno == EINTR);
1890
1891 if (ret == -1) {
1892 #ifdef HOST_WIN32
1893 *werror = WSAGetLastError ();
1894 #else
1895 *werror = errno_to_WSA (errno, __func__);
1896 #endif
1897 g_free (pfds);
1898 return;
1899 }
1900
1901 if (ret == 0) {
1902 g_free (pfds);
1903 *sockets = NULL;
1904 return;
1905 }
1906
1907 sock_arr_class = ((MonoObject *)*sockets)->vtable->klass;
1908 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1909 socks = mono_array_new_full_checked (mono_domain_get (), sock_arr_class, &socks_size, NULL, &error);
1910 if (!mono_error_ok (&error)) {
1911 mono_error_set_pending_exception (&error);
1912 g_free (pfds);
1913 return;
1914 }
1915
1916 mode = idx = 0;
1917 for (i = 0; i < count && ret > 0; i++) {
1918 mono_pollfd *pfd;
1919
1920 obj = mono_array_get (*sockets, MonoObject *, i);
1921 if (obj == NULL) {
1922 mode++;
1923 idx++;
1924 continue;
1925 }
1926
1927 pfd = &pfds [i - mode];
1928 if (pfd->revents == 0)
1929 continue;
1930
1931 ret--;
1932 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1933 mono_array_setref (socks, idx++, obj);
1934 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1935 mono_array_setref (socks, idx++, obj);
1936 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1937 mono_array_setref (socks, idx++, obj);
1938 }
1939 }
1940
1941 *sockets = socks;
1942 g_free (pfds);
1943 }
1944
1945 static MonoObject*
1946 int_to_object (MonoDomain *domain, int val, MonoError *error)
1947 {
1948 return mono_value_box_checked (domain, mono_get_int32_class (), &val, error);
1949 }
1950
1951 void
1952 ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal (SOCKET sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *werror)
1953 {
1954 int system_level = 0;
1955 int system_name = 0;
1956 int ret;
1957 int val = 0;
1958 socklen_t valsize = sizeof (val);
1959 struct linger linger;
1960 socklen_t lingersize = sizeof (linger);
1961 int time_ms = 0;
1962 socklen_t time_ms_size = sizeof (time_ms);
1963 #ifdef SO_PEERCRED
1964 # if defined(__OpenBSD__)
1965 struct sockpeercred cred;
1966 # else
1967 struct ucred cred;
1968 # endif
1969 socklen_t credsize = sizeof (cred);
1970 #endif
1971 MonoError error;
1972 MonoDomain *domain = mono_domain_get ();
1973 MonoObject *obj;
1974 MonoClass *obj_class;
1975 MonoClassField *field;
1976
1977 *werror = 0;
1978
1979 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1980 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1981 system_level = SOL_SOCKET;
1982 system_name = SO_REUSEADDR;
1983 ret = 0;
1984 } else
1985 #endif
1986 {
1987 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level, &system_name);
1988 }
1989
1990 if (ret == -1) {
1991 *werror = WSAENOPROTOOPT;
1992 return;
1993 }
1994 if (ret == -2) {
1995 *obj_val = int_to_object (domain, 0, &error);
1996 mono_error_set_pending_exception (&error);
1997 return;
1998 }
1999
2000 MONO_ENTER_GC_SAFE;
2001
2002 /* No need to deal with MulticastOption names here, because
2003 * you cant getsockopt AddMembership or DropMembership (the
2004 * int getsockopt will error, causing an exception)
2005 */
2006 switch (name) {
2007 case SocketOptionName_Linger:
2008 case SocketOptionName_DontLinger:
2009 ret = _wapi_getsockopt (sock, system_level, system_name, &linger, &lingersize);
2010 break;
2011
2012 case SocketOptionName_SendTimeout:
2013 case SocketOptionName_ReceiveTimeout:
2014 ret = _wapi_getsockopt (sock, system_level, system_name, (char *)&time_ms, &time_ms_size);
2015 break;
2016
2017 #ifdef SO_PEERCRED
2018 case SocketOptionName_PeerCred:
2019 ret = _wapi_getsockopt (sock, system_level, system_name, &cred, &credsize);
2020 break;
2021 #endif
2022
2023 default:
2024 ret = _wapi_getsockopt (sock, system_level, system_name, &val, &valsize);
2025 }
2026
2027 MONO_EXIT_GC_SAFE;
2028
2029 if (ret == SOCKET_ERROR) {
2030 *werror = WSAGetLastError ();
2031 return;
2032 }
2033
2034 switch (name) {
2035 case SocketOptionName_Linger:
2036 /* build a System.Net.Sockets.LingerOption */
2037 obj_class = mono_class_load_from_name (get_socket_assembly (),
2038 "System.Net.Sockets",
2039 "LingerOption");
2040 obj = mono_object_new_checked (domain, obj_class, &error);
2041 if (!mono_error_ok (&error)) {
2042 mono_error_set_pending_exception (&error);
2043 return;
2044 }
2045
2046 /* Locate and set the fields "bool enabled" and "int
2047 * lingerTime"
2048 */
2049 field = mono_class_get_field_from_name(obj_class, "enabled");
2050 *(guint8 *)(((char *)obj)+field->offset) = linger.l_onoff;
2051
2052 field = mono_class_get_field_from_name(obj_class, "lingerTime");
2053 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
2054 break;
2055 case SocketOptionName_DontLinger:
2056 /* construct a bool int in val - true if linger is off */
2057 obj = int_to_object (domain, !linger.l_onoff, &error);
2058 mono_error_set_pending_exception (&error);
2059 break;
2060 case SocketOptionName_SendTimeout:
2061 case SocketOptionName_ReceiveTimeout:
2062 obj = int_to_object (domain, time_ms, &error);
2063 mono_error_set_pending_exception (&error);
2064 break;
2065
2066 #ifdef SO_PEERCRED
2067 case SocketOptionName_PeerCred: {
2068 /*
2069 * build a Mono.Posix.PeerCred+PeerCredData if
2070 * possible
2071 */
2072 static MonoImage *mono_posix_image = NULL;
2073 MonoPeerCredData *cred_data;
2074
2075 if (mono_posix_image == NULL) {
2076 mono_posix_image = mono_image_loaded ("Mono.Posix");
2077 if (!mono_posix_image) {
2078 MonoAssembly *sa = mono_assembly_open ("Mono.Posix.dll", NULL);
2079 if (!sa) {
2080 *werror = WSAENOPROTOOPT;
2081 return;
2082 } else {
2083 mono_posix_image = mono_assembly_get_image (sa);
2084 }
2085 }
2086 }
2087
2088 obj_class = mono_class_load_from_name (mono_posix_image,
2089 "Mono.Posix",
2090 "PeerCredData");
2091 obj = mono_object_new_checked (domain, obj_class, &error);
2092 if (!mono_error_ok (&error)) {
2093 mono_error_set_pending_exception (&error);
2094 return;
2095 }
2096 cred_data = (MonoPeerCredData *)obj;
2097 cred_data->pid = cred.pid;
2098 cred_data->uid = cred.uid;
2099 cred_data->gid = cred.gid;
2100 break;
2101 }
2102 #endif
2103
2104 default:
2105 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2106 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
2107 val = val ? 0 : 1;
2108 #endif
2109 obj = int_to_object (domain, val, &error);
2110 mono_error_set_pending_exception (&error);
2111 }
2112
2113 *obj_val = obj;
2114 }
2115
2116 void
2117 ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal (SOCKET sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *werror)
2118 {
2119 int system_level = 0;
2120 int system_name = 0;
2121 int ret;
2122 guchar *buf;
2123 socklen_t valsize;
2124
2125 *werror = 0;
2126
2127 ret = convert_sockopt_level_and_name((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2128 &system_name);
2129 if (ret == -1) {
2130 *werror = WSAENOPROTOOPT;
2131 return;
2132 }
2133 if (ret == -2)
2134 return;
2135
2136 valsize = mono_array_length (*byte_val);
2137 buf = mono_array_addr (*byte_val, guchar, 0);
2138
2139 MONO_ENTER_GC_SAFE;
2140
2141 ret = _wapi_getsockopt (sock, system_level, system_name, buf, &valsize);
2142
2143 MONO_EXIT_GC_SAFE;
2144
2145 if (ret == SOCKET_ERROR)
2146 *werror = WSAGetLastError ();
2147 }
2148
2149 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2150 static struct in_addr
2151 ipaddress_to_struct_in_addr (MonoObject *ipaddr)
2152 {
2153 struct in_addr inaddr;
2154 MonoClassField *field;
2155
2156 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Address");
2157
2158 /* No idea why .net uses a 64bit type to hold a 32bit value...
2159 *
2160 * Internal value of IPAddess is in little-endian order
2161 */
2162 inaddr.s_addr = GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr) + field->offset));
2163
2164 return inaddr;
2165 }
2166
2167 static struct in6_addr
2168 ipaddress_to_struct_in6_addr (MonoObject *ipaddr)
2169 {
2170 struct in6_addr in6addr;
2171 MonoClassField *field;
2172 MonoArray *data;
2173 int i;
2174
2175 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Numbers");
2176 g_assert (field);
2177 data = *(MonoArray **)(((char *)ipaddr) + field->offset);
2178
2179 for (i = 0; i < 8; i++) {
2180 const guint16 s = GUINT16_TO_BE (mono_array_get (data, guint16, i));
2181
2182 /* Solaris/MacOS have only the 8 bit version. */
2183 #ifndef s6_addr16
2184 in6addr.s6_addr[2 * i + 1] = (s >> 8) & 0xff;
2185 in6addr.s6_addr[2 * i] = s & 0xff;
2186 #else
2187 in6addr.s6_addr16[i] = s;
2188 #endif
2189 }
2190 return in6addr;
2191 }
2192 #endif
2193
2194 #if defined(__APPLE__) || defined(__FreeBSD__)
2195
2196 static int
2197 get_local_interface_id (int family)
2198 {
2199 #if !defined(HAVE_GETIFADDRS) || !defined(HAVE_IF_NAMETOINDEX)
2200 return 0;
2201 #else
2202 struct ifaddrs *ifap = NULL, *ptr;
2203 int idx = 0;
2204
2205 if (getifaddrs (&ifap))
2206 return 0;
2207
2208 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2209 if (!ptr->ifa_addr || !ptr->ifa_name)
2210 continue;
2211 if (ptr->ifa_addr->sa_family != family)
2212 continue;
2213 if ((ptr->ifa_flags & IFF_LOOPBACK) != 0)
2214 continue;
2215 if ((ptr->ifa_flags & IFF_MULTICAST) == 0)
2216 continue;
2217
2218 idx = if_nametoindex (ptr->ifa_name);
2219 break;
2220 }
2221
2222 freeifaddrs (ifap);
2223 return idx;
2224 #endif
2225 }
2226
2227 #endif /* defined(__APPLE__) || defined(__FreeBSD__) */
2228
2229 void
2230 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)
2231 {
2232 struct linger linger;
2233 int system_level = 0;
2234 int system_name = 0;
2235 int ret;
2236 int sol_ip;
2237 int sol_ipv6;
2238
2239 *werror = 0;
2240
2241 sol_ipv6 = mono_networking_get_ipv6_protocol ();
2242 sol_ip = mono_networking_get_ip_protocol ();
2243
2244 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2245 &system_name);
2246
2247 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2248 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2249 system_name = SO_REUSEADDR;
2250 int_val = int_val ? 0 : 1;
2251 ret = 0;
2252 }
2253 #endif
2254
2255 if (ret == -1) {
2256 *werror = WSAENOPROTOOPT;
2257 return;
2258 }
2259 if (ret == -2)
2260 return;
2261
2262 /* Only one of obj_val, byte_val or int_val has data */
2263 if (obj_val) {
2264 MonoClassField *field;
2265 int valsize;
2266
2267 switch (name) {
2268 case SocketOptionName_Linger:
2269 /* Dig out "bool enabled" and "int lingerTime"
2270 * fields
2271 */
2272 field = mono_class_get_field_from_name (obj_val->vtable->klass, "enabled");
2273 linger.l_onoff = *(guint8 *)(((char *)obj_val) + field->offset);
2274 field = mono_class_get_field_from_name (obj_val->vtable->klass, "lingerTime");
2275 linger.l_linger = *(guint32 *)(((char *)obj_val) + field->offset);
2276
2277 valsize = sizeof (linger);
2278 ret = _wapi_setsockopt (sock, system_level,
2279 system_name, &linger, valsize);
2280 break;
2281 case SocketOptionName_AddMembership:
2282 case SocketOptionName_DropMembership:
2283 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2284 {
2285 MonoObject *address = NULL;
2286
2287 if (system_level == sol_ipv6) {
2288 struct ipv6_mreq mreq6;
2289
2290 /*
2291 * Get group address
2292 */
2293 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Group");
2294 g_assert (field);
2295 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2296
2297 if (address)
2298 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2299
2300 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Interface");
2301 mreq6.ipv6mr_interface = *(guint64 *)(((char *)obj_val) + field->offset);
2302
2303 #if defined(__APPLE__) || defined(__FreeBSD__)
2304 /*
2305 * Bug #5504:
2306 *
2307 * Mac OS Lion doesn't allow ipv6mr_interface = 0.
2308 *
2309 * Tests on Windows and Linux show that the multicast group is only
2310 * joined on one NIC when interface = 0, so we simply use the interface
2311 * id from the first non-loopback interface (this is also what
2312 * Dns.GetHostName (string.Empty) would return).
2313 */
2314 if (!mreq6.ipv6mr_interface)
2315 mreq6.ipv6mr_interface = get_local_interface_id (AF_INET6);
2316 #endif
2317
2318 ret = _wapi_setsockopt (sock, system_level,
2319 system_name, &mreq6,
2320 sizeof (mreq6));
2321 } else if (system_level == sol_ip) {
2322 #ifdef HAVE_STRUCT_IP_MREQN
2323 struct ip_mreqn mreq = {{0}};
2324 #else
2325 struct ip_mreq mreq = {{0}};
2326 #endif /* HAVE_STRUCT_IP_MREQN */
2327
2328 /*
2329 * pain! MulticastOption holds two IPAddress
2330 * members, so I have to dig the value out of
2331 * those :-(
2332 */
2333 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2334 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2335
2336 /* address might not be defined and if so, set the address to ADDR_ANY.
2337 */
2338 if (address)
2339 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2340
2341 field = mono_class_get_field_from_name (obj_val->vtable->klass, "localAddress");
2342 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2343
2344 #ifdef HAVE_STRUCT_IP_MREQN
2345 if (address)
2346 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2347
2348 field = mono_class_get_field_from_name (obj_val->vtable->klass, "ifIndex");
2349 mreq.imr_ifindex = *(gint32 *)(((char *)obj_val) + field->offset);
2350 #else
2351 if (address)
2352 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2353 #endif /* HAVE_STRUCT_IP_MREQN */
2354
2355 ret = _wapi_setsockopt (sock, system_level,
2356 system_name, &mreq,
2357 sizeof (mreq));
2358 }
2359 break;
2360 }
2361 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2362 default:
2363 /* Cause an exception to be thrown */
2364 *werror = WSAEINVAL;
2365 return;
2366 }
2367 } else if (byte_val!=NULL) {
2368 int valsize = mono_array_length (byte_val);
2369 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2370
2371 switch(name) {
2372 case SocketOptionName_DontLinger:
2373 if (valsize == 1) {
2374 linger.l_onoff = (*buf) ? 0 : 1;
2375 linger.l_linger = 0;
2376 ret = _wapi_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2377 } else {
2378 *werror = WSAEINVAL;
2379 }
2380 break;
2381 default:
2382 ret = _wapi_setsockopt (sock, system_level, system_name, buf, valsize);
2383 break;
2384 }
2385 } else {
2386 /* ReceiveTimeout/SendTimeout get here */
2387 switch (name) {
2388 case SocketOptionName_DontLinger:
2389 linger.l_onoff = !int_val;
2390 linger.l_linger = 0;
2391 ret = _wapi_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2392 break;
2393 case SocketOptionName_MulticastInterface:
2394 #ifndef HOST_WIN32
2395 #ifdef HAVE_STRUCT_IP_MREQN
2396 int_val = GUINT32_FROM_BE (int_val);
2397 if ((int_val & 0xff000000) == 0) {
2398 /* int_val is interface index */
2399 struct ip_mreqn mreq = {{0}};
2400 mreq.imr_ifindex = int_val;
2401 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &mreq, sizeof (mreq));
2402 break;
2403 }
2404 int_val = GUINT32_TO_BE (int_val);
2405 #endif /* HAVE_STRUCT_IP_MREQN */
2406 #endif /* HOST_WIN32 */
2407 /* int_val is in_addr */
2408 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2409 break;
2410 case SocketOptionName_DontFragment:
2411 #ifdef HAVE_IP_MTU_DISCOVER
2412 /* Fiddle with the value slightly if we're
2413 * turning DF on
2414 */
2415 if (int_val == 1)
2416 int_val = IP_PMTUDISC_DO;
2417 /* Fall through */
2418 #endif
2419
2420 default:
2421 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2422 }
2423 }
2424
2425 if (ret == SOCKET_ERROR)
2426 *werror = WSAGetLastError ();
2427 }
2428
2429 void
2430 ves_icall_System_Net_Sockets_Socket_Shutdown_internal (SOCKET sock, gint32 how, gint32 *werror)
2431 {
2432 int ret;
2433 gboolean interrupted;
2434
2435 *werror = 0;
2436
2437 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2438 if (interrupted) {
2439 *werror = WSAEINTR;
2440 return;
2441 }
2442
2443 MONO_ENTER_GC_SAFE;
2444
2445 /* Currently, the values for how (recv=0, send=1, both=2) match the BSD API */
2446 ret = _wapi_shutdown (sock, how);
2447
2448 MONO_EXIT_GC_SAFE;
2449
2450 if (ret == SOCKET_ERROR)
2451 *werror = WSAGetLastError ();
2452
2453 mono_thread_info_uninstall_interrupt (&interrupted);
2454 if (interrupted) {
2455 *werror = WSAEINTR;
2456 }
2457
2458 }
2459
2460 gint
2461 ves_icall_System_Net_Sockets_Socket_IOControl_internal (SOCKET sock, gint32 code, MonoArray *input, MonoArray *output, gint32 *werror)
2462 {
2463 glong output_bytes = 0;
2464 gchar *i_buffer, *o_buffer;
2465 gint i_len, o_len;
2466 gint ret;
2467
2468 *werror = 0;
2469
2470 if ((guint32)code == FIONBIO)
2471 /* Invalid command. Must use Socket.Blocking */
2472 return -1;
2473
2474 if (input == NULL) {
2475 i_buffer = NULL;
2476 i_len = 0;
2477 } else {
2478 i_buffer = mono_array_addr (input, gchar, 0);
2479 i_len = mono_array_length (input);
2480 }
2481
2482 if (output == NULL) {
2483 o_buffer = NULL;
2484 o_len = 0;
2485 } else {
2486 o_buffer = mono_array_addr (output, gchar, 0);
2487 o_len = mono_array_length (output);
2488 }
2489
2490 MONO_ENTER_GC_SAFE;
2491
2492 ret = WSAIoctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes, NULL, NULL);
2493
2494 MONO_EXIT_GC_SAFE;
2495
2496 if (ret == SOCKET_ERROR) {
2497 *werror = WSAGetLastError ();
2498 return -1;
2499 }
2500
2501 return (gint)output_bytes;
2502 }
2503
2504 static gboolean
2505 addrinfo_to_IPHostEntry (MonoAddressInfo *info, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips, MonoError *error)
2506 {
2507 gint32 count, i;
2508 MonoAddressEntry *ai = NULL;
2509 struct in_addr *local_in = NULL;
2510 int nlocal_in = 0;
2511 struct in6_addr *local_in6 = NULL;
2512 int nlocal_in6 = 0;
2513 int addr_index;
2514 MonoDomain *domain = mono_domain_get ();
2515
2516 mono_error_init (error);
2517 addr_index = 0;
2518 *h_aliases = mono_array_new_checked (domain, mono_get_string_class (), 0, error);
2519 return_val_if_nok (error, FALSE);
2520 if (add_local_ips) {
2521 local_in = (struct in_addr *) mono_get_local_interfaces (AF_INET, &nlocal_in);
2522 local_in6 = (struct in6_addr *) mono_get_local_interfaces (AF_INET6, &nlocal_in6);
2523 if (nlocal_in || nlocal_in6) {
2524 char addr [INET6_ADDRSTRLEN];
2525 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), nlocal_in + nlocal_in6, error);
2526 if (!is_ok (error))
2527 goto leave;
2528
2529 if (nlocal_in) {
2530 MonoString *addr_string;
2531 int i;
2532
2533 for (i = 0; i < nlocal_in; i++) {
2534 MonoAddress maddr;
2535 mono_address_init (&maddr, AF_INET, &local_in [i]);
2536 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2537 addr_string = mono_string_new (domain, addr);
2538 mono_array_setref (*h_addr_list, addr_index, addr_string);
2539 addr_index++;
2540 }
2541 }
2542 }
2543
2544 if (nlocal_in6) {
2545 MonoString *addr_string;
2546 int i;
2547
2548 for (i = 0; i < nlocal_in6; i++) {
2549 MonoAddress maddr;
2550 mono_address_init (&maddr, AF_INET6, &local_in6 [i]);
2551 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2552 addr_string = mono_string_new (domain, addr);
2553 mono_array_setref (*h_addr_list, addr_index, addr_string);
2554 addr_index++;
2555 }
2556 }
2557 }
2558
2559 leave:
2560 g_free (local_in);
2561 g_free (local_in6);
2562 if (info)
2563 mono_free_address_info (info);
2564 return is_ok (error);;
2565 }
2566
2567 g_free (local_in);
2568 g_free (local_in6);
2569 }
2570
2571 for (count = 0, ai = info->entries; ai != NULL; ai = ai->next) {
2572 if (ai->family != AF_INET && ai->family != AF_INET6)
2573 continue;
2574 count++;
2575 }
2576
2577 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), count, error);
2578 if (!is_ok (error))
2579 goto leave2;
2580
2581 for (ai = info->entries, i = 0; ai != NULL; ai = ai->next) {
2582 MonoAddress maddr;
2583 MonoString *addr_string;
2584 char buffer [INET6_ADDRSTRLEN]; /* Max. size for IPv6 */
2585
2586 if ((ai->family != PF_INET) && (ai->family != PF_INET6))
2587 continue;
2588
2589 mono_address_init (&maddr, ai->family, &ai->address);
2590 if (mono_networking_addr_to_str (&maddr, buffer, sizeof (buffer)))
2591 addr_string = mono_string_new (domain, buffer);
2592 else
2593 addr_string = mono_string_new (domain, "");
2594
2595 mono_array_setref (*h_addr_list, addr_index, addr_string);
2596
2597 if (!i) {
2598 i++;
2599 if (ai->canonical_name != NULL) {
2600 *h_name = mono_string_new (domain, ai->canonical_name);
2601 } else {
2602 *h_name = mono_string_new (domain, buffer);
2603 }
2604 }
2605
2606 addr_index++;
2607 }
2608
2609 leave2:
2610 if (info)
2611 mono_free_address_info (info);
2612
2613 return is_ok (error);
2614 }
2615
2616 static int
2617 get_addrinfo_family_hint (MonoError *error)
2618 {
2619 int hint;
2620
2621 mono_error_init (error);
2622
2623 hint = get_family_hint (error);
2624 return_val_if_nok (error, 0);
2625
2626 switch (hint) {
2627 case PF_UNSPEC:
2628 return MONO_HINT_UNSPECIFIED;
2629 case PF_INET:
2630 return MONO_HINT_IPV4;
2631 #ifdef PF_INET6
2632 case PF_INET6:
2633 return MONO_HINT_IPV6;
2634 #endif
2635 default:
2636 g_error ("invalid hint");
2637 return 0;
2638 }
2639 }
2640
2641 MonoBoolean
2642 ves_icall_System_Net_Dns_GetHostByName_internal (MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2643 {
2644 MonoError error;
2645 gboolean add_local_ips = FALSE, add_info_ok = TRUE;
2646 gchar this_hostname [256];
2647 MonoAddressInfo *info = NULL;
2648 int hint;
2649
2650 char *hostname = mono_string_to_utf8_checked (host, &error);
2651 if (mono_error_set_pending_exception (&error))
2652 return FALSE;
2653
2654 hint = get_addrinfo_family_hint (&error);
2655 if (!mono_error_ok (&error)) {
2656 mono_error_set_pending_exception (&error);
2657 return FALSE;
2658 }
2659
2660 if (*hostname == '\0') {
2661 add_local_ips = TRUE;
2662 *h_name = host;
2663 }
2664
2665 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2666 if (!strcmp (hostname, this_hostname)) {
2667 add_local_ips = TRUE;
2668 *h_name = host;
2669 }
2670 }
2671
2672 #ifdef HOST_WIN32
2673 // Win32 APIs already returns local interface addresses for empty hostname ("")
2674 // so we never want to add them manually.
2675 add_local_ips = FALSE;
2676 if (mono_get_address_info(hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2677 add_info_ok = FALSE;
2678 #else
2679 if (*hostname && mono_get_address_info (hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2680 add_info_ok = FALSE;
2681 #endif
2682
2683 g_free(hostname);
2684
2685 if (add_info_ok) {
2686 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, add_local_ips, &error);
2687 mono_error_set_pending_exception (&error);
2688 return result;
2689 }
2690 return FALSE;
2691 }
2692
2693 MonoBoolean
2694 ves_icall_System_Net_Dns_GetHostByAddr_internal (MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2695 {
2696 char *address;
2697 struct sockaddr_in saddr;
2698 struct sockaddr_in6 saddr6;
2699 MonoAddressInfo *info = NULL;
2700 MonoError error;
2701 gint32 family, hint;
2702 gchar hostname [NI_MAXHOST] = { 0 };
2703 gboolean ret;
2704
2705 address = mono_string_to_utf8_checked (addr, &error);
2706 if (mono_error_set_pending_exception (&error))
2707 return FALSE;
2708
2709 if (inet_pton (AF_INET, address, &saddr.sin_addr ) == 1) {
2710 family = AF_INET;
2711 saddr.sin_family = AF_INET;
2712 } else if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) == 1) {
2713 family = AF_INET6;
2714 saddr6.sin6_family = AF_INET6;
2715 } else {
2716 g_free (address);
2717 return FALSE;
2718 }
2719
2720 g_free (address);
2721
2722 MONO_ENTER_GC_SAFE;
2723
2724 switch (family) {
2725 case AF_INET: {
2726 #if HAVE_SOCKADDR_IN_SIN_LEN
2727 saddr.sin_len = sizeof (saddr);
2728 #endif
2729 ret = getnameinfo ((struct sockaddr*)&saddr, sizeof (saddr), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2730 break;
2731 }
2732 case AF_INET6: {
2733 #if HAVE_SOCKADDR_IN6_SIN_LEN
2734 saddr6.sin6_len = sizeof (saddr6);
2735 #endif
2736 ret = getnameinfo ((struct sockaddr*)&saddr6, sizeof (saddr6), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2737 break;
2738 }
2739 default:
2740 g_assert_not_reached ();
2741 }
2742
2743 MONO_EXIT_GC_SAFE;
2744
2745 if (!ret)
2746 return FALSE;
2747
2748 hint = get_addrinfo_family_hint (&error);
2749 if (!mono_error_ok (&error)) {
2750 mono_error_set_pending_exception (&error);
2751 return FALSE;
2752 }
2753 if (mono_get_address_info (hostname, 0, hint | MONO_HINT_CANONICAL_NAME | MONO_HINT_CONFIGURED_ONLY, &info) != 0)
2754 return FALSE;
2755
2756 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE, &error);
2757 mono_error_set_pending_exception (&error);
2758 return result;
2759 }
2760
2761 MonoBoolean
2762 ves_icall_System_Net_Dns_GetHostName_internal (MonoString **h_name)
2763 {
2764 gchar hostname [NI_MAXHOST] = { 0 };
2765 int ret;
2766
2767 ret = gethostname (hostname, sizeof (hostname));
2768 if (ret == -1)
2769 return FALSE;
2770
2771 *h_name = mono_string_new (mono_domain_get (), hostname);
2772
2773 return TRUE;
2774 }
2775
2776 gboolean
2777 ves_icall_System_Net_Sockets_Socket_SendFile_internal (SOCKET sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags)
2778 {
2779 HANDLE file;
2780 gint32 werror;
2781 gboolean ret;
2782 gboolean interrupted;
2783 TRANSMIT_FILE_BUFFERS buffers;
2784
2785 if (filename == NULL)
2786 return FALSE;
2787
2788 /* FIXME: replace file by a proper fd that we can call open and close on, as they are interruptible */
2789
2790 file = ves_icall_System_IO_MonoIO_Open (filename, FileMode_Open, FileAccess_Read, FileShare_Read, 0, &werror);
2791
2792 if (file == INVALID_HANDLE_VALUE) {
2793 SetLastError (werror);
2794 return FALSE;
2795 }
2796
2797 memset (&buffers, 0, sizeof (buffers));
2798 if (pre_buffer != NULL) {
2799 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
2800 buffers.HeadLength = mono_array_length (pre_buffer);
2801 }
2802 if (post_buffer != NULL) {
2803 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
2804 buffers.TailLength = mono_array_length (post_buffer);
2805 }
2806
2807 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2808 if (interrupted) {
2809 CloseHandle (file);
2810 SetLastError (WSAEINTR);
2811 return FALSE;
2812 }
2813
2814 MONO_ENTER_GC_SAFE;
2815
2816 ret = TransmitFile (sock, file, 0, 0, NULL, &buffers, flags);
2817
2818 MONO_EXIT_GC_SAFE;
2819
2820 mono_thread_info_uninstall_interrupt (&interrupted);
2821 if (interrupted) {
2822 CloseHandle (file);
2823 SetLastError (WSAEINTR);
2824 return FALSE;
2825 }
2826
2827 MONO_ENTER_GC_SAFE;
2828
2829 CloseHandle (file);
2830
2831 MONO_EXIT_GC_SAFE;
2832
2833 return ret;
2834 }
2835
2836 gboolean
2837 ves_icall_System_Net_Sockets_Socket_SupportPortReuse (MonoProtocolType proto)
2838 {
2839 #if defined (SO_REUSEPORT) || defined (HOST_WIN32)
2840 return TRUE;
2841 #else
2842 #ifdef __linux__
2843 /* Linux always supports double binding for UDP, even on older kernels. */
2844 if (proto == ProtocolType_Udp)
2845 return TRUE;
2846 #endif
2847 return FALSE;
2848 #endif
2849 }
2850
2851 void
2852 mono_network_init (void)
2853 {
2854 mono_networking_init ();
2855 }
2856
2857 void
2858 mono_network_cleanup (void)
2859 {
2860 _wapi_cleanup_networking ();
2861 mono_networking_shutdown ();
2862 }
2863
2864 void
2865 icall_cancel_blocking_socket_operation (MonoThread *thread)
2866 {
2867 MonoInternalThread *internal;
2868
2869 internal = thread->internal_thread;
2870 g_assert (internal);
2871
2872 mono_thread_info_abort_socket_syscall_for_close (MONO_UINT_TO_NATIVE_THREAD_ID (internal->tid));
2873 }
2874
2875 #endif /* #ifndef DISABLE_SOCKETS */
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