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[amd64] Remove the callee saved registers from MonoLMF, save/restore them normally...
[mono-project.git] / mono / metadata / socket-io.c
blobcbce0f772694e052aecff7c62090ddb2140fa93c
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
12 #include <config.h>
13
14 #ifndef DISABLE_SOCKETS
15
16 #ifdef __APPLE__
17 #define __APPLE_USE_RFC_3542
18 #endif
19
20 #include <glib.h>
21 #include <string.h>
22 #include <stdlib.h>
23 #ifdef HAVE_UNISTD_H
24 #include <unistd.h>
25 #endif
26 #include <errno.h>
27
28 #include <sys/types.h>
29 #ifdef HOST_WIN32
30 #include <ws2tcpip.h>
31 #else
32 #include <sys/socket.h>
33 #include <sys/ioctl.h>
34 #include <netinet/in.h>
35 #include <netinet/tcp.h>
36 #include <netdb.h>
37 #include <arpa/inet.h>
38 #endif
39
40 #include <mono/metadata/object.h>
41 #include <mono/io-layer/io-layer.h>
42 #include <mono/metadata/socket-io.h>
43 #include <mono/metadata/exception.h>
44 #include <mono/metadata/assembly.h>
45 #include <mono/metadata/appdomain.h>
46 #include <mono/metadata/file-io.h>
47 #include <mono/metadata/threads.h>
48 #include <mono/metadata/threads-types.h>
49 #include <mono/utils/mono-poll.h>
50 /* FIXME change this code to not mess so much with the internals */
51 #include <mono/metadata/class-internals.h>
52 #include <mono/metadata/threadpool-internals.h>
53 #include <mono/metadata/domain-internals.h>
54 #include <mono/utils/mono-threads.h>
55 #include <mono/utils/mono-memory-model.h>
56
57 #include <time.h>
58 #ifdef HAVE_SYS_TIME_H
59 #include <sys/time.h>
60 #endif
61 #ifdef HAVE_SYS_IOCTL_H
62 #include <sys/ioctl.h>
63 #endif
64 #ifdef HAVE_NET_IF_H
65 #include <net/if.h>
66 #endif
67
68 #ifdef HAVE_NETDB_H
69 #include <netdb.h>
70 #endif
71 #ifdef HAVE_SYS_FILIO_H
72 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
73 #endif
74 #ifdef HAVE_SYS_SOCKIO_H
75 #include <sys/sockio.h> /* defines SIOCATMARK */
76 #endif
77 #ifdef HAVE_SYS_UN_H
78 #include <sys/un.h>
79 #endif
80
81 #ifdef HAVE_GETIFADDRS
82 // <net/if.h> must be included before <ifaddrs.h>
83 #include <ifaddrs.h>
84 #endif
85
86 #include "mono/io-layer/socket-wrappers.h"
87
88 #if defined(HOST_WIN32)
89 /* This is a kludge to make this file build under cygwin:
90 * w32api/ws2tcpip.h has definitions for some AF_INET6 values and
91 * prototypes for some but not all required functions (notably
92 * inet_ntop() is missing), but the libws2_32 library is missing the
93 * actual implementations of these functions.
94 */
95 #undef AF_INET6
96 #endif
97
98 #define LOGDEBUG(...)
99 /* define LOGDEBUG(...) g_message(__VA_ARGS__) */
100
101 /*
102 * Some older versions of libc provide IPV6 support without defining the AI_ADDRCONFIG
103 * flag for getaddrinfo.
104 */
105 #ifndef AI_ADDRCONFIG
106 #define AI_ADDRCONFIG 0
107 #endif
108
109 #ifdef __APPLE__
110 /*
111 * We remove this until we have a Darwin implementation
112 * that can walk the result of struct ifconf. The current
113 * implementation only works for Linux
114 */
115 #undef HAVE_SIOCGIFCONF
116 #endif
117
118 static gint32 convert_family(MonoAddressFamily mono_family)
119 {
120 gint32 family=-1;
121
122 switch(mono_family) {
123 case AddressFamily_Unknown:
124 case AddressFamily_ImpLink:
125 case AddressFamily_Pup:
126 case AddressFamily_Chaos:
127 case AddressFamily_Iso:
128 case AddressFamily_Ecma:
129 case AddressFamily_DataKit:
130 case AddressFamily_Ccitt:
131 case AddressFamily_DataLink:
132 case AddressFamily_Lat:
133 case AddressFamily_HyperChannel:
134 case AddressFamily_NetBios:
135 case AddressFamily_VoiceView:
136 case AddressFamily_FireFox:
137 case AddressFamily_Banyan:
138 case AddressFamily_Atm:
139 case AddressFamily_Cluster:
140 case AddressFamily_Ieee12844:
141 case AddressFamily_NetworkDesigners:
142 g_warning("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
143 break;
144
145 case AddressFamily_Unspecified:
146 family=AF_UNSPEC;
147 break;
148
149 case AddressFamily_Unix:
150 family=AF_UNIX;
151 break;
152
153 case AddressFamily_InterNetwork:
154 family=AF_INET;
155 break;
156
157 case AddressFamily_Ipx:
158 #ifdef AF_IPX
159 family=AF_IPX;
160 #endif
161 break;
162
163 case AddressFamily_Sna:
164 #ifdef AF_SNA
165 family=AF_SNA;
166 #endif
167 break;
168
169 case AddressFamily_DecNet:
170 #ifdef AF_DECnet
171 family=AF_DECnet;
172 #endif
173 break;
174
175 case AddressFamily_AppleTalk:
176 family=AF_APPLETALK;
177 break;
178
179 case AddressFamily_InterNetworkV6:
180 #ifdef AF_INET6
181 family=AF_INET6;
182 #endif
183 break;
184 case AddressFamily_Irda:
185 #ifdef AF_IRDA
186 family=AF_IRDA;
187 #endif
188 break;
189 default:
190 g_warning("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
191 }
192
193 return(family);
194 }
195
196 static MonoAddressFamily convert_to_mono_family(guint16 af_family)
197 {
198 MonoAddressFamily family=AddressFamily_Unknown;
199
200 switch(af_family) {
201 case AF_UNSPEC:
202 family=AddressFamily_Unspecified;
203 break;
204
205 case AF_UNIX:
206 family=AddressFamily_Unix;
207 break;
208
209 case AF_INET:
210 family=AddressFamily_InterNetwork;
211 break;
212
213 #ifdef AF_IPX
214 case AF_IPX:
215 family=AddressFamily_Ipx;
216 break;
217 #endif
218
219 #ifdef AF_SNA
220 case AF_SNA:
221 family=AddressFamily_Sna;
222 break;
223 #endif
224
225 #ifdef AF_DECnet
226 case AF_DECnet:
227 family=AddressFamily_DecNet;
228 break;
229 #endif
230
231 case AF_APPLETALK:
232 family=AddressFamily_AppleTalk;
233 break;
234
235 #ifdef AF_INET6
236 case AF_INET6:
237 family=AddressFamily_InterNetworkV6;
238 break;
239 #endif
240
241 #ifdef AF_IRDA
242 case AF_IRDA:
243 family=AddressFamily_Irda;
244 break;
245 #endif
246 default:
247 g_warning("unknown address family 0x%x", af_family);
248 }
249
250 return(family);
251 }
252
253 static gint32 convert_type(MonoSocketType mono_type)
254 {
255 gint32 type=-1;
256
257 switch(mono_type) {
258 case SocketType_Stream:
259 type=SOCK_STREAM;
260 break;
261
262 case SocketType_Dgram:
263 type=SOCK_DGRAM;
264 break;
265
266 case SocketType_Raw:
267 type=SOCK_RAW;
268 break;
269
270 case SocketType_Rdm:
271 #ifdef SOCK_RDM
272 type=SOCK_RDM;
273 #endif
274 break;
275
276 case SocketType_Seqpacket:
277 type=SOCK_SEQPACKET;
278 break;
279
280 case SocketType_Unknown:
281 g_warning("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
282 break;
283
284 default:
285 g_warning("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
286 }
287
288 return(type);
289 }
290
291 static gint32 convert_proto(MonoProtocolType mono_proto)
292 {
293 gint32 proto=-1;
294
295 switch(mono_proto) {
296 case ProtocolType_IP:
297 case ProtocolType_IPv6:
298 case ProtocolType_Icmp:
299 case ProtocolType_Igmp:
300 case ProtocolType_Ggp:
301 case ProtocolType_Tcp:
302 case ProtocolType_Pup:
303 case ProtocolType_Udp:
304 case ProtocolType_Idp:
305 /* These protocols are known (on my system at least) */
306 proto=mono_proto;
307 break;
308
309 case ProtocolType_ND:
310 case ProtocolType_Raw:
311 case ProtocolType_Ipx:
312 case ProtocolType_Spx:
313 case ProtocolType_SpxII:
314 case ProtocolType_Unknown:
315 /* These protocols arent */
316 g_warning("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
317 break;
318
319 default:
320 break;
321 }
322
323 return(proto);
324 }
325
326 /* Convert MonoSocketFlags */
327 static gint32 convert_socketflags (gint32 sflags)
328 {
329 gint32 flags = 0;
330
331 if (!sflags)
332 /* SocketFlags.None */
333 return 0;
334
335 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
336 SocketFlags_DontRoute | SocketFlags_Partial))
337 /* Contains invalid flag values */
338 return -1;
339
340 if (sflags & SocketFlags_OutOfBand)
341 flags |= MSG_OOB;
342 if (sflags & SocketFlags_Peek)
343 flags |= MSG_PEEK;
344 if (sflags & SocketFlags_DontRoute)
345 flags |= MSG_DONTROUTE;
346
347 /* Ignore Partial - see bug 349688. Don't return -1, because
348 * according to the comment in that bug ms runtime doesn't for
349 * UDP sockets (this means we will silently ignore it for TCP
350 * too)
351 */
352 #ifdef MSG_MORE
353 if (sflags & SocketFlags_Partial)
354 flags |= MSG_MORE;
355 #endif
356 #if 0
357 /* Don't do anything for MaxIOVectorLength */
358 if (sflags & SocketFlags_MaxIOVectorLength)
359 return -1;
360 #endif
361 return flags;
362 }
363
364 /*
365 * Returns:
366 * 0 on success (mapped mono_level and mono_name to system_level and system_name
367 * -1 on error
368 * -2 on non-fatal error (ie, must ignore)
369 */
370 static gint32 convert_sockopt_level_and_name(MonoSocketOptionLevel mono_level,
371 MonoSocketOptionName mono_name,
372 int *system_level,
373 int *system_name)
374 {
375 switch (mono_level) {
376 case SocketOptionLevel_Socket:
377 *system_level = SOL_SOCKET;
378
379 switch(mono_name) {
380 case SocketOptionName_DontLinger:
381 /* This is SO_LINGER, because the setsockopt
382 * internal call maps DontLinger to SO_LINGER
383 * with l_onoff=0
384 */
385 *system_name = SO_LINGER;
386 break;
387 case SocketOptionName_Debug:
388 *system_name = SO_DEBUG;
389 break;
390 #ifdef SO_ACCEPTCONN
391 case SocketOptionName_AcceptConnection:
392 *system_name = SO_ACCEPTCONN;
393 break;
394 #endif
395 case SocketOptionName_ReuseAddress:
396 *system_name = SO_REUSEADDR;
397 break;
398 case SocketOptionName_KeepAlive:
399 *system_name = SO_KEEPALIVE;
400 break;
401 case SocketOptionName_DontRoute:
402 *system_name = SO_DONTROUTE;
403 break;
404 case SocketOptionName_Broadcast:
405 *system_name = SO_BROADCAST;
406 break;
407 case SocketOptionName_Linger:
408 *system_name = SO_LINGER;
409 break;
410 case SocketOptionName_OutOfBandInline:
411 *system_name = SO_OOBINLINE;
412 break;
413 case SocketOptionName_SendBuffer:
414 *system_name = SO_SNDBUF;
415 break;
416 case SocketOptionName_ReceiveBuffer:
417 *system_name = SO_RCVBUF;
418 break;
419 case SocketOptionName_SendLowWater:
420 *system_name = SO_SNDLOWAT;
421 break;
422 case SocketOptionName_ReceiveLowWater:
423 *system_name = SO_RCVLOWAT;
424 break;
425 case SocketOptionName_SendTimeout:
426 *system_name = SO_SNDTIMEO;
427 break;
428 case SocketOptionName_ReceiveTimeout:
429 *system_name = SO_RCVTIMEO;
430 break;
431 case SocketOptionName_Error:
432 *system_name = SO_ERROR;
433 break;
434 case SocketOptionName_Type:
435 *system_name = SO_TYPE;
436 break;
437 #ifdef SO_PEERCRED
438 case SocketOptionName_PeerCred:
439 *system_name = SO_PEERCRED;
440 break;
441 #endif
442 case SocketOptionName_ExclusiveAddressUse:
443 #ifdef SO_EXCLUSIVEADDRUSE
444 *system_name = SO_EXCLUSIVEADDRUSE;
445 break;
446 #endif
447 case SocketOptionName_UseLoopback:
448 #ifdef SO_USELOOPBACK
449 *system_name = SO_USELOOPBACK;
450 break;
451 #endif
452 case SocketOptionName_MaxConnections:
453 #ifdef SO_MAXCONN
454 *system_name = SO_MAXCONN;
455 break;
456 #elif defined(SOMAXCONN)
457 *system_name = SOMAXCONN;
458 break;
459 #endif
460 default:
461 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
462 return(-1);
463 }
464 break;
465
466 case SocketOptionLevel_IP:
467 #ifdef HAVE_SOL_IP
468 *system_level = SOL_IP;
469 #else
470 if (1) {
471 static int cached = 0;
472 static int proto;
473
474 if (!cached) {
475 struct protoent *pent;
476
477 pent = getprotobyname ("IP");
478 proto = pent ? pent->p_proto : 0 /* 0 a good default value?? */;
479 cached = 1;
480 }
481
482 *system_level = proto;
483 }
484 #endif /* HAVE_SOL_IP */
485
486 switch(mono_name) {
487 case SocketOptionName_IPOptions:
488 *system_name = IP_OPTIONS;
489 break;
490 #ifdef IP_HDRINCL
491 case SocketOptionName_HeaderIncluded:
492 *system_name = IP_HDRINCL;
493 break;
494 #endif
495 #ifdef IP_TOS
496 case SocketOptionName_TypeOfService:
497 *system_name = IP_TOS;
498 break;
499 #endif
500 #ifdef IP_TTL
501 case SocketOptionName_IpTimeToLive:
502 *system_name = IP_TTL;
503 break;
504 #endif
505 case SocketOptionName_MulticastInterface:
506 *system_name = IP_MULTICAST_IF;
507 break;
508 case SocketOptionName_MulticastTimeToLive:
509 *system_name = IP_MULTICAST_TTL;
510 break;
511 case SocketOptionName_MulticastLoopback:
512 *system_name = IP_MULTICAST_LOOP;
513 break;
514 case SocketOptionName_AddMembership:
515 *system_name = IP_ADD_MEMBERSHIP;
516 break;
517 case SocketOptionName_DropMembership:
518 *system_name = IP_DROP_MEMBERSHIP;
519 break;
520 #ifdef HAVE_IP_PKTINFO
521 case SocketOptionName_PacketInformation:
522 *system_name = IP_PKTINFO;
523 break;
524 #endif /* HAVE_IP_PKTINFO */
525
526 case SocketOptionName_DontFragment:
527 #ifdef HAVE_IP_DONTFRAGMENT
528 *system_name = IP_DONTFRAGMENT;
529 break;
530 #elif defined HAVE_IP_MTU_DISCOVER
531 /* Not quite the same */
532 *system_name = IP_MTU_DISCOVER;
533 break;
534 #else
535 /* If the flag is not available on this system, we can ignore this error */
536 return (-2);
537 #endif /* HAVE_IP_DONTFRAGMENT */
538 case SocketOptionName_AddSourceMembership:
539 case SocketOptionName_DropSourceMembership:
540 case SocketOptionName_BlockSource:
541 case SocketOptionName_UnblockSource:
542 /* Can't figure out how to map these, so fall
543 * through
544 */
545 default:
546 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
547 return(-1);
548 }
549 break;
550
551 #ifdef AF_INET6
552 case SocketOptionLevel_IPv6:
553 #ifdef HAVE_SOL_IPV6
554 *system_level = SOL_IPV6;
555 #else
556 if (1) {
557 static int cached = 0;
558 static int proto;
559
560 if (!cached) {
561 struct protoent *pent;
562
563 pent = getprotobyname ("IPV6");
564 proto = pent ? pent->p_proto : 41 /* 41 a good default value?? */;
565 cached = 1;
566 }
567
568 *system_level = proto;
569 }
570 #endif /* HAVE_SOL_IPV6 */
571
572 switch(mono_name) {
573 case SocketOptionName_IpTimeToLive:
574 case SocketOptionName_HopLimit:
575 *system_name = IPV6_UNICAST_HOPS;
576 break;
577 case SocketOptionName_MulticastInterface:
578 *system_name = IPV6_MULTICAST_IF;
579 break;
580 case SocketOptionName_MulticastTimeToLive:
581 *system_name = IPV6_MULTICAST_HOPS;
582 break;
583 case SocketOptionName_MulticastLoopback:
584 *system_name = IPV6_MULTICAST_LOOP;
585 break;
586 case SocketOptionName_AddMembership:
587 *system_name = IPV6_JOIN_GROUP;
588 break;
589 case SocketOptionName_DropMembership:
590 *system_name = IPV6_LEAVE_GROUP;
591 break;
592 case SocketOptionName_PacketInformation:
593 #ifdef HAVE_IPV6_PKTINFO
594 *system_name = IPV6_PKTINFO;
595 #endif
596 break;
597 case SocketOptionName_HeaderIncluded:
598 case SocketOptionName_IPOptions:
599 case SocketOptionName_TypeOfService:
600 case SocketOptionName_DontFragment:
601 case SocketOptionName_AddSourceMembership:
602 case SocketOptionName_DropSourceMembership:
603 case SocketOptionName_BlockSource:
604 case SocketOptionName_UnblockSource:
605 /* Can't figure out how to map these, so fall
606 * through
607 */
608 default:
609 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
610 return(-1);
611 }
612
613 break; /* SocketOptionLevel_IPv6 */
614 #endif
615
616 case SocketOptionLevel_Tcp:
617 #ifdef HAVE_SOL_TCP
618 *system_level = SOL_TCP;
619 #else
620 if (1) {
621 static int cached = 0;
622 static int proto;
623
624 if (!cached) {
625 struct protoent *pent;
626
627 pent = getprotobyname ("TCP");
628 proto = pent ? pent->p_proto : 6 /* is 6 a good default value?? */;
629 cached = 1;
630 }
631
632 *system_level = proto;
633 }
634 #endif /* HAVE_SOL_TCP */
635
636 switch(mono_name) {
637 case SocketOptionName_NoDelay:
638 *system_name = TCP_NODELAY;
639 break;
640 #if 0
641 /* The documentation is talking complete
642 * bollocks here: rfc-1222 is titled
643 * 'Advancing the NSFNET Routing Architecture'
644 * and doesn't mention either of the words
645 * "expedite" or "urgent".
646 */
647 case SocketOptionName_BsdUrgent:
648 case SocketOptionName_Expedited:
649 #endif
650 default:
651 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
652 return(-1);
653 }
654 break;
655
656 case SocketOptionLevel_Udp:
657 g_warning("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
658
659 switch(mono_name) {
660 case SocketOptionName_NoChecksum:
661 case SocketOptionName_ChecksumCoverage:
662 default:
663 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
664 return(-1);
665 }
666 return(-1);
667 break;
668
669 default:
670 g_warning("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
671 return(-1);
672 }
673
674 return(0);
675 }
676
677 static MonoImage *get_socket_assembly (void)
678 {
679 MonoDomain *domain = mono_domain_get ();
680
681 if (domain->socket_assembly == NULL) {
682 MonoImage *socket_assembly;
683
684 socket_assembly = mono_image_loaded ("System");
685 if (!socket_assembly) {
686 MonoAssembly *sa = mono_assembly_open ("System.dll", NULL);
687
688 if (!sa) {
689 g_assert_not_reached ();
690 } else {
691 socket_assembly = mono_assembly_get_image (sa);
692 }
693 }
694 mono_atomic_store_release (&domain->socket_assembly, socket_assembly);
695 }
696
697 return domain->socket_assembly;
698 }
699
700 #ifdef AF_INET6
701 static gint32 get_family_hint(void)
702 {
703 MonoDomain *domain = mono_domain_get ();
704
705 if (!domain->inet_family_hint) {
706 MonoClass *socket_class;
707 MonoClassField *ipv6_field, *ipv4_field;
708 gint32 ipv6_enabled = -1, ipv4_enabled = -1;
709 MonoVTable *vtable;
710
711 socket_class = mono_class_from_name (get_socket_assembly (), "System.Net.Sockets", "Socket");
712 ipv4_field = mono_class_get_field_from_name (socket_class, "ipv4Supported");
713 ipv6_field = mono_class_get_field_from_name (socket_class, "ipv6Supported");
714 vtable = mono_class_vtable (mono_domain_get (), socket_class);
715 g_assert (vtable);
716 mono_runtime_class_init (vtable);
717
718 mono_field_static_get_value (vtable, ipv4_field, &ipv4_enabled);
719 mono_field_static_get_value (vtable, ipv6_field, &ipv6_enabled);
720
721 mono_domain_lock (domain);
722 if (ipv4_enabled == 1 && ipv6_enabled == 1) {
723 domain->inet_family_hint = 1;
724 } else if (ipv4_enabled == 1) {
725 domain->inet_family_hint = 2;
726 } else {
727 domain->inet_family_hint = 3;
728 }
729 mono_domain_unlock (domain);
730 }
731 switch (domain->inet_family_hint) {
732 case 1: return PF_UNSPEC;
733 case 2: return PF_INET;
734 case 3: return PF_INET6;
735 default:
736 return PF_UNSPEC;
737 }
738 }
739 #endif
740
741 gpointer ves_icall_System_Net_Sockets_Socket_Socket_internal(MonoObject *this, gint32 family, gint32 type, gint32 proto, gint32 *error)
742 {
743 SOCKET sock;
744 gint32 sock_family;
745 gint32 sock_proto;
746 gint32 sock_type;
747
748 MONO_ARCH_SAVE_REGS;
749
750 *error = 0;
751
752 sock_family=convert_family(family);
753 if(sock_family==-1) {
754 *error = WSAEAFNOSUPPORT;
755 return(NULL);
756 }
757
758 sock_proto=convert_proto(proto);
759 if(sock_proto==-1) {
760 *error = WSAEPROTONOSUPPORT;
761 return(NULL);
762 }
763
764 sock_type=convert_type(type);
765 if(sock_type==-1) {
766 *error = WSAESOCKTNOSUPPORT;
767 return(NULL);
768 }
769
770 sock = _wapi_socket (sock_family, sock_type, sock_proto,
771 NULL, 0, WSA_FLAG_OVERLAPPED);
772
773 if(sock==INVALID_SOCKET) {
774 *error = WSAGetLastError ();
775 return(NULL);
776 }
777
778 if (sock_family == AF_INET && sock_type == SOCK_DGRAM) {
779 return (GUINT_TO_POINTER (sock));
780 }
781
782 #ifdef AF_INET6
783 if (sock_family == AF_INET6 && sock_type == SOCK_DGRAM) {
784 return (GUINT_TO_POINTER (sock));
785 }
786 #endif
787
788 return(GUINT_TO_POINTER (sock));
789 }
790
791 /* FIXME: the SOCKET parameter (here and in other functions in this
792 * file) is really an IntPtr which needs to be converted to a guint32.
793 */
794 void ves_icall_System_Net_Sockets_Socket_Close_internal(SOCKET sock,
795 gint32 *error)
796 {
797 MONO_ARCH_SAVE_REGS;
798
799 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
800
801 *error = 0;
802
803 /* Clear any pending work item from this socket if the underlying
804 * polling system does not notify when the socket is closed */
805 mono_thread_pool_remove_socket (GPOINTER_TO_INT (sock));
806 closesocket(sock);
807 }
808
809 gint32 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal(void)
810 {
811 MONO_ARCH_SAVE_REGS;
812
813 LOGDEBUG (g_message("%s: returning %d", __func__, WSAGetLastError()));
814
815 return(WSAGetLastError());
816 }
817
818 gint32 ves_icall_System_Net_Sockets_Socket_Available_internal(SOCKET sock,
819 gint32 *error)
820 {
821 int ret;
822 int amount;
823
824 MONO_ARCH_SAVE_REGS;
825
826 *error = 0;
827
828 /* FIXME: this might require amount to be unsigned long. */
829 ret=ioctlsocket(sock, FIONREAD, &amount);
830 if(ret==SOCKET_ERROR) {
831 *error = WSAGetLastError ();
832 return(0);
833 }
834
835 return(amount);
836 }
837
838 void ves_icall_System_Net_Sockets_Socket_Blocking_internal(SOCKET sock,
839 gboolean block,
840 gint32 *error)
841 {
842 int ret;
843
844 MONO_ARCH_SAVE_REGS;
845
846 *error = 0;
847
848 /*
849 * block == TRUE/FALSE means we will block/not block.
850 * But the ioctlsocket call takes TRUE/FALSE for non-block/block
851 */
852 block = !block;
853
854 ret = ioctlsocket (sock, FIONBIO, (gulong *) &block);
855 if(ret==SOCKET_ERROR) {
856 *error = WSAGetLastError ();
857 }
858 }
859
860 gpointer ves_icall_System_Net_Sockets_Socket_Accept_internal(SOCKET sock,
861 gint32 *error,
862 gboolean blocking)
863 {
864 SOCKET newsock;
865
866 MONO_ARCH_SAVE_REGS;
867
868 *error = 0;
869 #ifdef HOST_WIN32
870 {
871 MonoInternalThread* curthread = mono_thread_internal_current ();
872 curthread->interrupt_on_stop = (gpointer)TRUE;
873 newsock = _wapi_accept (sock, NULL, 0);
874 curthread->interrupt_on_stop = (gpointer)FALSE;
875 }
876 #else
877 newsock = _wapi_accept (sock, NULL, 0);
878 #endif
879 if(newsock==INVALID_SOCKET) {
880 *error = WSAGetLastError ();
881 return(NULL);
882 }
883
884 return(GUINT_TO_POINTER (newsock));
885 }
886
887 void ves_icall_System_Net_Sockets_Socket_Listen_internal(SOCKET sock,
888 guint32 backlog,
889 gint32 *error)
890 {
891 int ret;
892
893 MONO_ARCH_SAVE_REGS;
894
895 *error = 0;
896
897 ret = _wapi_listen (sock, backlog);
898 if(ret==SOCKET_ERROR) {
899 *error = WSAGetLastError ();
900 }
901 }
902
903 #ifdef AF_INET6
904 // Check whether it's ::ffff::0:0.
905 static gboolean
906 is_ipv4_mapped_any (const struct in6_addr *addr)
907 {
908 int i;
909
910 for (i = 0; i < 10; i++) {
911 if (addr->s6_addr [i])
912 return FALSE;
913 }
914 if ((addr->s6_addr [10] != 0xff) || (addr->s6_addr [11] != 0xff))
915 return FALSE;
916 for (i = 12; i < 16; i++) {
917 if (addr->s6_addr [i])
918 return FALSE;
919 }
920 return TRUE;
921 }
922 #endif
923
924 static MonoObject *create_object_from_sockaddr(struct sockaddr *saddr,
925 int sa_size, gint32 *error)
926 {
927 MonoDomain *domain = mono_domain_get ();
928 MonoObject *sockaddr_obj;
929 MonoArray *data;
930 MonoAddressFamily family;
931
932 /* Build a System.Net.SocketAddress object instance */
933 if (!domain->sockaddr_class) {
934 domain->sockaddr_class=mono_class_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
935 g_assert (domain->sockaddr_class);
936 }
937 sockaddr_obj=mono_object_new(domain, domain->sockaddr_class);
938
939 /* Locate the SocketAddress data buffer in the object */
940 if (!domain->sockaddr_data_field) {
941 domain->sockaddr_data_field=mono_class_get_field_from_name (domain->sockaddr_class, "data");
942 g_assert (domain->sockaddr_data_field);
943 }
944
945 /* May be the +2 here is too conservative, as sa_len returns
946 * the length of the entire sockaddr_in/in6, including
947 * sizeof (unsigned short) of the family */
948 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
949 data=mono_array_new_cached(domain, mono_get_byte_class (), sa_size+2);
950
951 /* The data buffer is laid out as follows:
952 * bytes 0 and 1 are the address family
953 * bytes 2 and 3 are the port info
954 * the rest is the address info
955 */
956
957 family=convert_to_mono_family(saddr->sa_family);
958 if(family==AddressFamily_Unknown) {
959 *error = WSAEAFNOSUPPORT;
960 return(NULL);
961 }
962
963 mono_array_set(data, guint8, 0, family & 0x0FF);
964 mono_array_set(data, guint8, 1, (family >> 8) & 0x0FF);
965
966 if(saddr->sa_family==AF_INET) {
967 struct sockaddr_in *sa_in=(struct sockaddr_in *)saddr;
968 guint16 port=ntohs(sa_in->sin_port);
969 guint32 address=ntohl(sa_in->sin_addr.s_addr);
970
971 if(sa_size<8) {
972 mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
973 }
974
975 mono_array_set(data, guint8, 2, (port>>8) & 0xff);
976 mono_array_set(data, guint8, 3, (port) & 0xff);
977 mono_array_set(data, guint8, 4, (address>>24) & 0xff);
978 mono_array_set(data, guint8, 5, (address>>16) & 0xff);
979 mono_array_set(data, guint8, 6, (address>>8) & 0xff);
980 mono_array_set(data, guint8, 7, (address) & 0xff);
981
982 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
983
984 return(sockaddr_obj);
985 #ifdef AF_INET6
986 } else if (saddr->sa_family == AF_INET6) {
987 struct sockaddr_in6 *sa_in=(struct sockaddr_in6 *)saddr;
988 int i;
989
990 guint16 port=ntohs(sa_in->sin6_port);
991
992 if(sa_size<28) {
993 mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
994 }
995
996 mono_array_set(data, guint8, 2, (port>>8) & 0xff);
997 mono_array_set(data, guint8, 3, (port) & 0xff);
998
999 if (is_ipv4_mapped_any (&sa_in->sin6_addr)) {
1000 // Map ::ffff:0:0 to :: (bug #5502)
1001 for(i=0; i<16; i++) {
1002 mono_array_set(data, guint8, 8+i, 0);
1003 }
1004 } else {
1005 for(i=0; i<16; i++) {
1006 mono_array_set(data, guint8, 8+i,
1007 sa_in->sin6_addr.s6_addr[i]);
1008 }
1009 }
1010
1011 mono_array_set(data, guint8, 24, sa_in->sin6_scope_id & 0xff);
1012 mono_array_set(data, guint8, 25,
1013 (sa_in->sin6_scope_id >> 8) & 0xff);
1014 mono_array_set(data, guint8, 26,
1015 (sa_in->sin6_scope_id >> 16) & 0xff);
1016 mono_array_set(data, guint8, 27,
1017 (sa_in->sin6_scope_id >> 24) & 0xff);
1018
1019 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
1020
1021 return(sockaddr_obj);
1022 #endif
1023 #ifdef HAVE_SYS_UN_H
1024 } else if (saddr->sa_family == AF_UNIX) {
1025 int i;
1026
1027 for (i = 0; i < sa_size; i++) {
1028 mono_array_set (data, guint8, i+2, saddr->sa_data[i]);
1029 }
1030
1031 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
1032
1033 return sockaddr_obj;
1034 #endif
1035 } else {
1036 *error = WSAEAFNOSUPPORT;
1037 return(NULL);
1038 }
1039 }
1040
1041 static int
1042 get_sockaddr_size (int family)
1043 {
1044 int size;
1045
1046 size = 0;
1047 if (family == AF_INET) {
1048 size = sizeof (struct sockaddr_in);
1049 #ifdef AF_INET6
1050 } else if (family == AF_INET6) {
1051 size = sizeof (struct sockaddr_in6);
1052 #endif
1053 #ifdef HAVE_SYS_UN_H
1054 } else if (family == AF_UNIX) {
1055 size = sizeof (struct sockaddr_un);
1056 #endif
1057 }
1058 return size;
1059 }
1060
1061 extern MonoObject *ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal(SOCKET sock, gint32 af, gint32 *error)
1062 {
1063 gchar *sa;
1064 socklen_t salen;
1065 int ret;
1066 MonoObject *result;
1067
1068 MONO_ARCH_SAVE_REGS;
1069
1070 *error = 0;
1071
1072 salen = get_sockaddr_size (convert_family (af));
1073 if (salen == 0) {
1074 *error = WSAEAFNOSUPPORT;
1075 return NULL;
1076 }
1077 sa = (salen <= 128) ? alloca (salen) : g_malloc0 (salen);
1078 ret = _wapi_getsockname (sock, (struct sockaddr *)sa, &salen);
1079
1080 if(ret==SOCKET_ERROR) {
1081 *error = WSAGetLastError ();
1082 if (salen > 128)
1083 g_free (sa);
1084 return(NULL);
1085 }
1086
1087 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)));
1088
1089 result = create_object_from_sockaddr((struct sockaddr *)sa, salen, error);
1090 if (salen > 128)
1091 g_free (sa);
1092 return result;
1093 }
1094
1095 extern MonoObject *ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal(SOCKET sock, gint32 af, gint32 *error)
1096 {
1097 gchar *sa;
1098 socklen_t salen;
1099 int ret;
1100 MonoObject *result;
1101
1102 MONO_ARCH_SAVE_REGS;
1103
1104 *error = 0;
1105
1106 salen = get_sockaddr_size (convert_family (af));
1107 if (salen == 0) {
1108 *error = WSAEAFNOSUPPORT;
1109 return NULL;
1110 }
1111 sa = (salen <= 128) ? alloca (salen) : g_malloc0 (salen);
1112 /* Note: linux returns just 2 for AF_UNIX. Always. */
1113 ret = _wapi_getpeername (sock, (struct sockaddr *)sa, &salen);
1114 if(ret==SOCKET_ERROR) {
1115 *error = WSAGetLastError ();
1116 if (salen > 128)
1117 g_free (sa);
1118 return(NULL);
1119 }
1120
1121 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)));
1122
1123 result = create_object_from_sockaddr((struct sockaddr *)sa, salen, error);
1124 if (salen > 128)
1125 g_free (sa);
1126 return result;
1127 }
1128
1129 static struct sockaddr *create_sockaddr_from_object(MonoObject *saddr_obj,
1130 socklen_t *sa_size,
1131 gint32 *error)
1132 {
1133 MonoClassField *field;
1134 MonoArray *data;
1135 gint32 family;
1136 int len;
1137
1138 /* Dig the SocketAddress data buffer out of the object */
1139 field=mono_class_get_field_from_name(saddr_obj->vtable->klass, "data");
1140 data=*(MonoArray **)(((char *)saddr_obj) + field->offset);
1141
1142 /* The data buffer is laid out as follows:
1143 * byte 0 is the address family low byte
1144 * byte 1 is the address family high byte
1145 * INET:
1146 * bytes 2 and 3 are the port info
1147 * the rest is the address info
1148 * UNIX:
1149 * the rest is the file name
1150 */
1151 len = mono_array_length (data);
1152 if (len < 2) {
1153 mono_raise_exception (mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
1154 }
1155
1156 family = convert_family (mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8));
1157 if (family == AF_INET) {
1158 struct sockaddr_in *sa;
1159 guint16 port;
1160 guint32 address;
1161
1162 if (len < 8) {
1163 mono_raise_exception (mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1164 }
1165
1166 sa = g_new0 (struct sockaddr_in, 1);
1167 port = (mono_array_get (data, guint8, 2) << 8) +
1168 mono_array_get (data, guint8, 3);
1169 address = (mono_array_get (data, guint8, 4) << 24) +
1170 (mono_array_get (data, guint8, 5) << 16 ) +
1171 (mono_array_get (data, guint8, 6) << 8) +
1172 mono_array_get (data, guint8, 7);
1173
1174 sa->sin_family = family;
1175 sa->sin_addr.s_addr = htonl (address);
1176 sa->sin_port = htons (port);
1177
1178 *sa_size = sizeof(struct sockaddr_in);
1179 return((struct sockaddr *)sa);
1180
1181 #ifdef AF_INET6
1182 } else if (family == AF_INET6) {
1183 struct sockaddr_in6 *sa;
1184 int i;
1185 guint16 port;
1186 guint32 scopeid;
1187
1188 if (len < 28) {
1189 mono_raise_exception (mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1190 }
1191
1192 sa = g_new0 (struct sockaddr_in6, 1);
1193 port = mono_array_get (data, guint8, 3) +
1194 (mono_array_get (data, guint8, 2) << 8);
1195 scopeid = mono_array_get (data, guint8, 24) +
1196 (mono_array_get (data, guint8, 25) << 8) +
1197 (mono_array_get (data, guint8, 26) << 16) +
1198 (mono_array_get (data, guint8, 27) << 24);
1199
1200 sa->sin6_family = family;
1201 sa->sin6_port = htons (port);
1202 sa->sin6_scope_id = scopeid;
1203
1204 for(i=0; i<16; i++) {
1205 sa->sin6_addr.s6_addr[i] = mono_array_get (data, guint8, 8+i);
1206 }
1207
1208 *sa_size = sizeof(struct sockaddr_in6);
1209 return((struct sockaddr *)sa);
1210 #endif
1211 #ifdef HAVE_SYS_UN_H
1212 } else if (family == AF_UNIX) {
1213 struct sockaddr_un *sock_un;
1214 int i;
1215
1216 /* Need a byte for the '\0' terminator/prefix, and the first
1217 * two bytes hold the SocketAddress family
1218 */
1219 if (len - 2 >= sizeof(sock_un->sun_path)) {
1220 mono_raise_exception (mono_get_exception_index_out_of_range ());
1221 }
1222
1223 sock_un = g_new0 (struct sockaddr_un, 1);
1224
1225 sock_un->sun_family = family;
1226 for (i = 0; i < len - 2; i++) {
1227 sock_un->sun_path [i] = mono_array_get (data, guint8,
1228 i + 2);
1229 }
1230
1231 *sa_size = len;
1232
1233 return (struct sockaddr *)sock_un;
1234 #endif
1235 } else {
1236 *error = WSAEAFNOSUPPORT;
1237 return(0);
1238 }
1239 }
1240
1241 extern void ves_icall_System_Net_Sockets_Socket_Bind_internal(SOCKET sock, MonoObject *sockaddr, gint32 *error)
1242 {
1243 struct sockaddr *sa;
1244 socklen_t sa_size;
1245 int ret;
1246
1247 MONO_ARCH_SAVE_REGS;
1248
1249 *error = 0;
1250
1251 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1252 if (*error != 0) {
1253 return;
1254 }
1255
1256 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)));
1257
1258 ret = _wapi_bind (sock, sa, sa_size);
1259 if(ret==SOCKET_ERROR) {
1260 *error = WSAGetLastError ();
1261 }
1262
1263 g_free(sa);
1264 }
1265
1266 enum {
1267 SelectModeRead,
1268 SelectModeWrite,
1269 SelectModeError
1270 };
1271
1272 MonoBoolean
1273 ves_icall_System_Net_Sockets_Socket_Poll_internal (SOCKET sock, gint mode,
1274 gint timeout, gint32 *error)
1275 {
1276 MonoInternalThread *thread = NULL;
1277 mono_pollfd *pfds;
1278 int ret;
1279 time_t start;
1280
1281
1282 MONO_ARCH_SAVE_REGS;
1283
1284 pfds = g_new0 (mono_pollfd, 1);
1285 pfds[0].fd = GPOINTER_TO_INT (sock);
1286 pfds[0].events = (mode == SelectModeRead) ? MONO_POLLIN :
1287 (mode == SelectModeWrite) ? MONO_POLLOUT :
1288 (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL);
1289
1290 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1291 start = time (NULL);
1292 do {
1293 *error = 0;
1294
1295 ret = mono_poll (pfds, 1, timeout);
1296 if (timeout > 0 && ret < 0) {
1297 int err = errno;
1298 int sec = time (NULL) - start;
1299
1300 timeout -= sec * 1000;
1301 if (timeout < 0) {
1302 timeout = 0;
1303 }
1304
1305 errno = err;
1306 }
1307
1308 if (ret == -1 && errno == EINTR) {
1309 int leave = 0;
1310
1311 if (thread == NULL) {
1312 thread = mono_thread_internal_current ();
1313 }
1314
1315 leave = mono_thread_test_state (thread, ThreadState_AbortRequested | ThreadState_StopRequested);
1316
1317 if (leave != 0) {
1318 g_free (pfds);
1319 return(FALSE);
1320 } else {
1321 /* Suspend requested? */
1322 mono_thread_interruption_checkpoint ();
1323 }
1324 errno = EINTR;
1325 }
1326 } while (ret == -1 && errno == EINTR);
1327
1328 if (ret == -1) {
1329 #ifdef HOST_WIN32
1330 *error = WSAGetLastError ();
1331 #else
1332 *error = errno_to_WSA (errno, __func__);
1333 #endif
1334 g_free (pfds);
1335 return(FALSE);
1336 }
1337
1338 g_free (pfds);
1339
1340 if (ret == 0) {
1341 return(FALSE);
1342 } else {
1343 return (TRUE);
1344 }
1345 }
1346
1347 extern void ves_icall_System_Net_Sockets_Socket_Connect_internal(SOCKET sock, MonoObject *sockaddr, gint32 *error)
1348 {
1349 struct sockaddr *sa;
1350 socklen_t sa_size;
1351 int ret;
1352
1353 MONO_ARCH_SAVE_REGS;
1354
1355 *error = 0;
1356
1357 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1358 if (*error != 0) {
1359 return;
1360 }
1361
1362 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)));
1363
1364 ret = _wapi_connect (sock, sa, sa_size);
1365 if(ret==SOCKET_ERROR) {
1366 *error = WSAGetLastError ();
1367 }
1368
1369 g_free(sa);
1370 }
1371
1372 /* These #defines from mswsock.h from wine. Defining them here allows
1373 * us to build this file on a mingw box that doesn't know the magic
1374 * numbers, but still run on a newer windows box that does.
1375 */
1376 #ifndef WSAID_DISCONNECTEX
1377 #define WSAID_DISCONNECTEX {0x7fda2e11,0x8630,0x436f,{0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}}
1378 typedef BOOL (WINAPI *LPFN_DISCONNECTEX)(SOCKET, LPOVERLAPPED, DWORD, DWORD);
1379 #endif
1380
1381 #ifndef WSAID_TRANSMITFILE
1382 #define WSAID_TRANSMITFILE {0xb5367df0,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}}
1383 typedef BOOL (WINAPI *LPFN_TRANSMITFILE)(SOCKET, HANDLE, DWORD, DWORD, LPOVERLAPPED, LPTRANSMIT_FILE_BUFFERS, DWORD);
1384 #endif
1385
1386 extern void ves_icall_System_Net_Sockets_Socket_Disconnect_internal(SOCKET sock, MonoBoolean reuse, gint32 *error)
1387 {
1388 int ret;
1389 glong output_bytes = 0;
1390 GUID disco_guid = WSAID_DISCONNECTEX;
1391 GUID trans_guid = WSAID_TRANSMITFILE;
1392 LPFN_DISCONNECTEX _wapi_disconnectex = NULL;
1393 LPFN_TRANSMITFILE _wapi_transmitfile = NULL;
1394 gboolean bret;
1395
1396 MONO_ARCH_SAVE_REGS;
1397
1398 *error = 0;
1399
1400 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1401
1402 /* I _think_ the extension function pointers need to be looked
1403 * up for each socket. FIXME: check the best way to store
1404 * pointers to functions in managed objects that still works
1405 * on 64bit platforms.
1406 */
1407 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER,
1408 (void *)&disco_guid, sizeof(GUID),
1409 (void *)&_wapi_disconnectex, sizeof(void *),
1410 &output_bytes, NULL, NULL);
1411 if (ret != 0) {
1412 /* make sure that WSAIoctl didn't put crap in the
1413 * output pointer
1414 */
1415 _wapi_disconnectex = NULL;
1416
1417 /*
1418 * Use the SIO_GET_EXTENSION_FUNCTION_POINTER to
1419 * determine the address of the disconnect method without
1420 * taking a hard dependency on a single provider
1421 *
1422 * For an explanation of why this is done, you can read
1423 * the article at http://www.codeproject.com/internet/jbsocketserver3.asp
1424 */
1425 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER,
1426 (void *)&trans_guid, sizeof(GUID),
1427 (void *)&_wapi_transmitfile, sizeof(void *),
1428 &output_bytes, NULL, NULL);
1429 if (ret != 0) {
1430 _wapi_transmitfile = NULL;
1431 }
1432 }
1433
1434 if (_wapi_disconnectex != NULL) {
1435 bret = _wapi_disconnectex (sock, NULL, TF_REUSE_SOCKET, 0);
1436 } else if (_wapi_transmitfile != NULL) {
1437 bret = _wapi_transmitfile (sock, NULL, 0, 0, NULL, NULL,
1438 TF_DISCONNECT | TF_REUSE_SOCKET);
1439 } else {
1440 *error = ERROR_NOT_SUPPORTED;
1441 return;
1442 }
1443
1444 if (bret == FALSE) {
1445 *error = WSAGetLastError ();
1446 }
1447 }
1448
1449 gint32 ves_icall_System_Net_Sockets_Socket_Receive_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *error)
1450 {
1451 int ret;
1452 guchar *buf;
1453 gint32 alen;
1454 int recvflags=0;
1455
1456 MONO_ARCH_SAVE_REGS;
1457
1458 *error = 0;
1459
1460 alen = mono_array_length (buffer);
1461 if (offset > alen - count) {
1462 return(0);
1463 }
1464
1465 buf=mono_array_addr(buffer, guchar, offset);
1466
1467 recvflags = convert_socketflags (flags);
1468 if (recvflags == -1) {
1469 *error = WSAEOPNOTSUPP;
1470 return (0);
1471 }
1472
1473 #ifdef HOST_WIN32
1474 {
1475 MonoInternalThread* curthread = mono_thread_internal_current ();
1476 curthread->interrupt_on_stop = (gpointer)TRUE;
1477 ret = _wapi_recv (sock, buf, count, recvflags);
1478 curthread->interrupt_on_stop = (gpointer)FALSE;
1479 }
1480 #else
1481 ret = _wapi_recv (sock, buf, count, recvflags);
1482 #endif
1483
1484 if(ret==SOCKET_ERROR) {
1485 *error = WSAGetLastError ();
1486 return(0);
1487 }
1488
1489 return(ret);
1490 }
1491
1492 gint32 ves_icall_System_Net_Sockets_Socket_Receive_array_internal(SOCKET sock, MonoArray *buffers, gint32 flags, gint32 *error)
1493 {
1494 int ret, count;
1495 DWORD recv;
1496 WSABUF *wsabufs;
1497 DWORD recvflags = 0;
1498
1499 MONO_ARCH_SAVE_REGS;
1500
1501 *error = 0;
1502
1503 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1504 count = mono_array_length (buffers);
1505
1506 recvflags = convert_socketflags (flags);
1507 if (recvflags == -1) {
1508 *error = WSAEOPNOTSUPP;
1509 return(0);
1510 }
1511
1512 ret = WSARecv (sock, wsabufs, count, &recv, &recvflags, NULL, NULL);
1513 if (ret == SOCKET_ERROR) {
1514 *error = WSAGetLastError ();
1515 return(0);
1516 }
1517
1518 return(recv);
1519 }
1520
1521 gint32 ves_icall_System_Net_Sockets_Socket_RecvFrom_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *error)
1522 {
1523 int ret;
1524 guchar *buf;
1525 gint32 alen;
1526 int recvflags=0;
1527 struct sockaddr *sa;
1528 socklen_t sa_size;
1529
1530 MONO_ARCH_SAVE_REGS;
1531
1532 *error = 0;
1533
1534 alen = mono_array_length (buffer);
1535 if (offset > alen - count) {
1536 return(0);
1537 }
1538
1539 sa=create_sockaddr_from_object(*sockaddr, &sa_size, error);
1540 if (*error != 0) {
1541 return(0);
1542 }
1543
1544 buf=mono_array_addr(buffer, guchar, offset);
1545
1546 recvflags = convert_socketflags (flags);
1547 if (recvflags == -1) {
1548 *error = WSAEOPNOTSUPP;
1549 return (0);
1550 }
1551
1552 ret = _wapi_recvfrom (sock, buf, count, recvflags, sa, &sa_size);
1553 if(ret==SOCKET_ERROR) {
1554 g_free(sa);
1555 *error = WSAGetLastError ();
1556 return(0);
1557 }
1558
1559 /* If we didn't get a socket size, then we're probably a
1560 * connected connection-oriented socket and the stack hasn't
1561 * returned the remote address. All we can do is return null.
1562 */
1563 if ( sa_size != 0 )
1564 *sockaddr=create_object_from_sockaddr(sa, sa_size, error);
1565 else
1566 *sockaddr=NULL;
1567
1568 g_free(sa);
1569
1570 return(ret);
1571 }
1572
1573 gint32 ves_icall_System_Net_Sockets_Socket_Send_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *error)
1574 {
1575 int ret;
1576 guchar *buf;
1577 gint32 alen;
1578 int sendflags=0;
1579
1580 MONO_ARCH_SAVE_REGS;
1581
1582 *error = 0;
1583
1584 alen = mono_array_length (buffer);
1585 if (offset > alen - count) {
1586 return(0);
1587 }
1588
1589 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1590
1591 buf=mono_array_addr(buffer, guchar, offset);
1592
1593 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1594
1595 sendflags = convert_socketflags (flags);
1596 if (sendflags == -1) {
1597 *error = WSAEOPNOTSUPP;
1598 return (0);
1599 }
1600
1601 ret = _wapi_send (sock, buf, count, sendflags);
1602 if(ret==SOCKET_ERROR) {
1603 *error = WSAGetLastError ();
1604 return(0);
1605 }
1606
1607 return(ret);
1608 }
1609
1610 gint32 ves_icall_System_Net_Sockets_Socket_Send_array_internal(SOCKET sock, MonoArray *buffers, gint32 flags, gint32 *error)
1611 {
1612 int ret, count;
1613 DWORD sent;
1614 WSABUF *wsabufs;
1615 DWORD sendflags = 0;
1616
1617 MONO_ARCH_SAVE_REGS;
1618
1619 *error = 0;
1620
1621 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1622 count = mono_array_length (buffers);
1623
1624 sendflags = convert_socketflags (flags);
1625 if (sendflags == -1) {
1626 *error = WSAEOPNOTSUPP;
1627 return(0);
1628 }
1629
1630 ret = WSASend (sock, wsabufs, count, &sent, sendflags, NULL, NULL);
1631 if (ret == SOCKET_ERROR) {
1632 *error = WSAGetLastError ();
1633 return(0);
1634 }
1635
1636 return(sent);
1637 }
1638
1639 gint32 ves_icall_System_Net_Sockets_Socket_SendTo_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *error)
1640 {
1641 int ret;
1642 guchar *buf;
1643 gint32 alen;
1644 int sendflags=0;
1645 struct sockaddr *sa;
1646 socklen_t sa_size;
1647
1648 MONO_ARCH_SAVE_REGS;
1649
1650 *error = 0;
1651
1652 alen = mono_array_length (buffer);
1653 if (offset > alen - count) {
1654 return(0);
1655 }
1656
1657 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1658 if(*error != 0) {
1659 return(0);
1660 }
1661
1662 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1663
1664 buf=mono_array_addr(buffer, guchar, offset);
1665
1666 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1667
1668 sendflags = convert_socketflags (flags);
1669 if (sendflags == -1) {
1670 *error = WSAEOPNOTSUPP;
1671 return (0);
1672 }
1673
1674 ret = _wapi_sendto (sock, buf, count, sendflags, sa, sa_size);
1675 if(ret==SOCKET_ERROR) {
1676 *error = WSAGetLastError ();
1677 }
1678
1679 g_free(sa);
1680
1681 return(ret);
1682 }
1683
1684 static SOCKET Socket_to_SOCKET(MonoObject *sockobj)
1685 {
1686 SOCKET sock;
1687 MonoClassField *field;
1688
1689 field=mono_class_get_field_from_name(sockobj->vtable->klass, "socket");
1690 sock=GPOINTER_TO_INT (*(gpointer *)(((char *)sockobj)+field->offset));
1691
1692 return(sock);
1693 }
1694
1695 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1696 void ves_icall_System_Net_Sockets_Socket_Select_internal(MonoArray **sockets, gint32 timeout, gint32 *error)
1697 {
1698 MonoInternalThread *thread = NULL;
1699 MonoObject *obj;
1700 mono_pollfd *pfds;
1701 int nfds, idx;
1702 int ret;
1703 int i, count;
1704 int mode;
1705 MonoClass *sock_arr_class;
1706 MonoArray *socks;
1707 time_t start;
1708 uintptr_t socks_size;
1709
1710 MONO_ARCH_SAVE_REGS;
1711
1712 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1713 count = mono_array_length (*sockets);
1714 nfds = count - 3; /* NULL separators */
1715 pfds = g_new0 (mono_pollfd, nfds);
1716 mode = idx = 0;
1717 for (i = 0; i < count; i++) {
1718 obj = mono_array_get (*sockets, MonoObject *, i);
1719 if (obj == NULL) {
1720 mode++;
1721 continue;
1722 }
1723
1724 if (idx >= nfds) {
1725 /* The socket array was bogus */
1726 g_free (pfds);
1727 *error = WSAEFAULT;
1728 return;
1729 }
1730
1731 pfds [idx].fd = Socket_to_SOCKET (obj);
1732 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1733 idx++;
1734 }
1735
1736 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1737 start = time (NULL);
1738 do {
1739 *error = 0;
1740 ret = mono_poll (pfds, nfds, timeout);
1741 if (timeout > 0 && ret < 0) {
1742 int err = errno;
1743 int sec = time (NULL) - start;
1744
1745 timeout -= sec * 1000;
1746 if (timeout < 0)
1747 timeout = 0;
1748 errno = err;
1749 }
1750
1751 if (ret == -1 && errno == EINTR) {
1752 int leave = 0;
1753 if (thread == NULL)
1754 thread = mono_thread_internal_current ();
1755
1756 leave = mono_thread_test_state (thread, ThreadState_AbortRequested | ThreadState_StopRequested);
1757
1758 if (leave != 0) {
1759 g_free (pfds);
1760 *sockets = NULL;
1761 return;
1762 } else {
1763 /* Suspend requested? */
1764 mono_thread_interruption_checkpoint ();
1765 }
1766 errno = EINTR;
1767 }
1768 } while (ret == -1 && errno == EINTR);
1769
1770 if (ret == -1) {
1771 #ifdef HOST_WIN32
1772 *error = WSAGetLastError ();
1773 #else
1774 *error = errno_to_WSA (errno, __func__);
1775 #endif
1776 g_free (pfds);
1777 return;
1778 }
1779
1780 if (ret == 0) {
1781 g_free (pfds);
1782 *sockets = NULL;
1783 return;
1784 }
1785
1786 sock_arr_class= ((MonoObject *)*sockets)->vtable->klass;
1787 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1788 socks = mono_array_new_full (mono_domain_get (), sock_arr_class, &socks_size, NULL);
1789
1790 mode = idx = 0;
1791 for (i = 0; i < count && ret > 0; i++) {
1792 mono_pollfd *pfd;
1793
1794 obj = mono_array_get (*sockets, MonoObject *, i);
1795 if (obj == NULL) {
1796 mode++;
1797 idx++;
1798 continue;
1799 }
1800
1801 pfd = &pfds [i - mode];
1802 if (pfd->revents == 0)
1803 continue;
1804
1805 ret--;
1806 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1807 mono_array_setref (socks, idx++, obj);
1808 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1809 mono_array_setref (socks, idx++, obj);
1810 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1811 mono_array_setref (socks, idx++, obj);
1812 }
1813 }
1814
1815 *sockets = socks;
1816 g_free (pfds);
1817 }
1818
1819 static MonoObject* int_to_object (MonoDomain *domain, int val)
1820 {
1821 return mono_value_box (domain, mono_get_int32_class (), &val);
1822 }
1823
1824
1825 void ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal(SOCKET sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *error)
1826 {
1827 int system_level = 0;
1828 int system_name = 0;
1829 int ret;
1830 int val;
1831 socklen_t valsize=sizeof(val);
1832 struct linger linger;
1833 socklen_t lingersize=sizeof(linger);
1834 int time_ms = 0;
1835 socklen_t time_ms_size = sizeof (time_ms);
1836 #ifdef SO_PEERCRED
1837 # if defined(__OpenBSD__)
1838 struct sockpeercred cred;
1839 # else
1840 struct ucred cred;
1841 # endif
1842 socklen_t credsize = sizeof(cred);
1843 #endif
1844 MonoDomain *domain=mono_domain_get();
1845 MonoObject *obj;
1846 MonoClass *obj_class;
1847 MonoClassField *field;
1848
1849 MONO_ARCH_SAVE_REGS;
1850
1851 *error = 0;
1852
1853 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1854 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1855 system_level = SOL_SOCKET;
1856 system_name = SO_REUSEADDR;
1857 ret = 0;
1858 } else
1859 #endif
1860 {
1861
1862 ret = convert_sockopt_level_and_name (level, name, &system_level, &system_name);
1863 }
1864
1865 if(ret==-1) {
1866 *error = WSAENOPROTOOPT;
1867 return;
1868 }
1869 if (ret == -2) {
1870 *obj_val = int_to_object (domain, 0);
1871 return;
1872 }
1873
1874 /* No need to deal with MulticastOption names here, because
1875 * you cant getsockopt AddMembership or DropMembership (the
1876 * int getsockopt will error, causing an exception)
1877 */
1878 switch(name) {
1879 case SocketOptionName_Linger:
1880 case SocketOptionName_DontLinger:
1881 ret = _wapi_getsockopt(sock, system_level, system_name, &linger,
1882 &lingersize);
1883 break;
1884
1885 case SocketOptionName_SendTimeout:
1886 case SocketOptionName_ReceiveTimeout:
1887 ret = _wapi_getsockopt (sock, system_level, system_name, (char *) &time_ms, &time_ms_size);
1888 break;
1889
1890 #ifdef SO_PEERCRED
1891 case SocketOptionName_PeerCred:
1892 ret = _wapi_getsockopt (sock, system_level, system_name, &cred,
1893 &credsize);
1894 break;
1895 #endif
1896
1897 default:
1898 ret = _wapi_getsockopt (sock, system_level, system_name, &val,
1899 &valsize);
1900 }
1901
1902 if(ret==SOCKET_ERROR) {
1903 *error = WSAGetLastError ();
1904 return;
1905 }
1906
1907 switch(name) {
1908 case SocketOptionName_Linger:
1909 /* build a System.Net.Sockets.LingerOption */
1910 obj_class=mono_class_from_name(get_socket_assembly (),
1911 "System.Net.Sockets",
1912 "LingerOption");
1913 obj=mono_object_new(domain, obj_class);
1914
1915 /* Locate and set the fields "bool enabled" and "int
1916 * seconds"
1917 */
1918 field=mono_class_get_field_from_name(obj_class, "enabled");
1919 *(guint8 *)(((char *)obj)+field->offset)=linger.l_onoff;
1920
1921 field=mono_class_get_field_from_name(obj_class, "seconds");
1922 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1923
1924 break;
1925
1926 case SocketOptionName_DontLinger:
1927 /* construct a bool int in val - true if linger is off */
1928 obj = int_to_object (domain, !linger.l_onoff);
1929 break;
1930
1931 case SocketOptionName_SendTimeout:
1932 case SocketOptionName_ReceiveTimeout:
1933 obj = int_to_object (domain, time_ms);
1934 break;
1935
1936 #ifdef SO_PEERCRED
1937 case SocketOptionName_PeerCred:
1938 {
1939 /* build a Mono.Posix.PeerCred+PeerCredData if
1940 * possible
1941 */
1942 static MonoImage *mono_posix_image = NULL;
1943 MonoPeerCredData *cred_data;
1944
1945 if (mono_posix_image == NULL) {
1946 mono_posix_image=mono_image_loaded ("Mono.Posix");
1947 if (!mono_posix_image) {
1948 MonoAssembly *sa = mono_assembly_open ("Mono.Posix.dll", NULL);
1949 if (!sa) {
1950 *error = WSAENOPROTOOPT;
1951 return;
1952 } else {
1953 mono_posix_image = mono_assembly_get_image (sa);
1954 }
1955 }
1956 }
1957
1958 obj_class = mono_class_from_name(mono_posix_image,
1959 "Mono.Posix",
1960 "PeerCredData");
1961 obj = mono_object_new(domain, obj_class);
1962 cred_data = (MonoPeerCredData *)obj;
1963 cred_data->pid = cred.pid;
1964 cred_data->uid = cred.uid;
1965 cred_data->gid = cred.gid;
1966 break;
1967 }
1968 #endif
1969
1970 default:
1971 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1972 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
1973 val = val ? 0 : 1;
1974 #endif
1975 obj = int_to_object (domain, val);
1976 }
1977 *obj_val=obj;
1978 }
1979
1980 void ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal(SOCKET sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *error)
1981 {
1982 int system_level = 0;
1983 int system_name = 0;
1984 int ret;
1985 guchar *buf;
1986 socklen_t valsize;
1987
1988 MONO_ARCH_SAVE_REGS;
1989
1990 *error = 0;
1991
1992 ret=convert_sockopt_level_and_name(level, name, &system_level,
1993 &system_name);
1994 if(ret==-1) {
1995 *error = WSAENOPROTOOPT;
1996 return;
1997 }
1998 if(ret==-2)
1999 return;
2000
2001 valsize=mono_array_length(*byte_val);
2002 buf=mono_array_addr(*byte_val, guchar, 0);
2003
2004 ret = _wapi_getsockopt (sock, system_level, system_name, buf, &valsize);
2005 if(ret==SOCKET_ERROR) {
2006 *error = WSAGetLastError ();
2007 }
2008 }
2009
2010 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2011 static struct in_addr ipaddress_to_struct_in_addr(MonoObject *ipaddr)
2012 {
2013 struct in_addr inaddr;
2014 MonoClassField *field;
2015
2016 field=mono_class_get_field_from_name(ipaddr->vtable->klass, "m_Address");
2017
2018 /* No idea why .net uses a 64bit type to hold a 32bit value...
2019 *
2020 * Internal value of IPAddess is in little-endian order
2021 */
2022 inaddr.s_addr=GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr)+field->offset));
2023
2024 return(inaddr);
2025 }
2026
2027 #ifdef AF_INET6
2028 static struct in6_addr ipaddress_to_struct_in6_addr(MonoObject *ipaddr)
2029 {
2030 struct in6_addr in6addr;
2031 MonoClassField *field;
2032 MonoArray *data;
2033 int i;
2034
2035 field=mono_class_get_field_from_name(ipaddr->vtable->klass, "m_Numbers");
2036 data=*(MonoArray **)(((char *)ipaddr) + field->offset);
2037
2038 /* Solaris has only the 8 bit version. */
2039 #ifndef s6_addr16
2040 for(i=0; i<8; i++) {
2041 guint16 s = mono_array_get (data, guint16, i);
2042 in6addr.s6_addr[2 * i + 1] = (s >> 8) & 0xff;
2043 in6addr.s6_addr[2 * i] = s & 0xff;
2044 }
2045 #else
2046 for(i=0; i<8; i++)
2047 in6addr.s6_addr16[i] = mono_array_get (data, guint16, i);
2048 #endif
2049 return(in6addr);
2050 }
2051 #endif /* AF_INET6 */
2052 #endif
2053
2054 #if defined(__APPLE__)
2055
2056 #if defined(HAVE_GETIFADDRS) && defined(HAVE_IF_NAMETOINDEX)
2057 static int
2058 get_local_interface_id (int family)
2059 {
2060 struct ifaddrs *ifap = NULL, *ptr;
2061 int idx = 0;
2062
2063 if (getifaddrs (&ifap)) {
2064 return 0;
2065 }
2066
2067 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2068 if (!ptr->ifa_addr || !ptr->ifa_name)
2069 continue;
2070 if (ptr->ifa_addr->sa_family != family)
2071 continue;
2072 if ((ptr->ifa_flags & IFF_LOOPBACK) != 0)
2073 continue;
2074 if ((ptr->ifa_flags & IFF_MULTICAST) == 0)
2075 continue;
2076
2077 idx = if_nametoindex (ptr->ifa_name);
2078 break;
2079 }
2080
2081 freeifaddrs (ifap);
2082 return idx;
2083 }
2084 #else
2085 static int
2086 get_local_interface_id (int family)
2087 {
2088 return 0;
2089 }
2090 #endif
2091
2092 #endif /* __APPLE__ */
2093
2094 void ves_icall_System_Net_Sockets_Socket_SetSocketOption_internal(SOCKET sock, gint32 level, gint32 name, MonoObject *obj_val, MonoArray *byte_val, gint32 int_val, gint32 *error)
2095 {
2096 struct linger linger;
2097 int system_level = 0;
2098 int system_name = 0;
2099 int ret;
2100 #ifdef AF_INET6
2101 int sol_ip;
2102 int sol_ipv6;
2103
2104 *error = 0;
2105
2106 #ifdef HAVE_SOL_IPV6
2107 sol_ipv6 = SOL_IPV6;
2108 #else
2109 {
2110 struct protoent *pent;
2111 pent = getprotobyname ("ipv6");
2112 sol_ipv6 = (pent != NULL) ? pent->p_proto : 41;
2113 }
2114 #endif
2115
2116 #ifdef HAVE_SOL_IP
2117 sol_ip = SOL_IP;
2118 #else
2119 {
2120 struct protoent *pent;
2121 pent = getprotobyname ("ip");
2122 sol_ip = (pent != NULL) ? pent->p_proto : 0;
2123 }
2124 #endif
2125 #endif /* AF_INET6 */
2126
2127 MONO_ARCH_SAVE_REGS;
2128
2129 ret=convert_sockopt_level_and_name(level, name, &system_level,
2130 &system_name);
2131
2132 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2133 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2134 system_name = SO_REUSEADDR;
2135 int_val = int_val ? 0 : 1;
2136 ret = 0;
2137 }
2138 #endif
2139
2140 if(ret==-1) {
2141 *error = WSAENOPROTOOPT;
2142 return;
2143 }
2144 if(ret==-2){
2145 return;
2146 }
2147
2148 /* Only one of obj_val, byte_val or int_val has data */
2149 if(obj_val!=NULL) {
2150 MonoClassField *field;
2151 int valsize;
2152
2153 switch(name) {
2154 case SocketOptionName_Linger:
2155 /* Dig out "bool enabled" and "int seconds"
2156 * fields
2157 */
2158 field=mono_class_get_field_from_name(obj_val->vtable->klass, "enabled");
2159 linger.l_onoff=*(guint8 *)(((char *)obj_val)+field->offset);
2160 field=mono_class_get_field_from_name(obj_val->vtable->klass, "seconds");
2161 linger.l_linger=*(guint32 *)(((char *)obj_val)+field->offset);
2162
2163 valsize=sizeof(linger);
2164 ret = _wapi_setsockopt (sock, system_level,
2165 system_name, &linger, valsize);
2166 break;
2167 case SocketOptionName_AddMembership:
2168 case SocketOptionName_DropMembership:
2169 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2170 {
2171 MonoObject *address = NULL;
2172
2173 #ifdef AF_INET6
2174 if(system_level == sol_ipv6) {
2175 struct ipv6_mreq mreq6;
2176
2177 /*
2178 * Get group address
2179 */
2180 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2181 address = *(gpointer *)(((char *)obj_val) + field->offset);
2182
2183 if(address) {
2184 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2185 }
2186
2187 field=mono_class_get_field_from_name(obj_val->vtable->klass, "ifIndex");
2188 mreq6.ipv6mr_interface =*(guint64 *)(((char *)obj_val)+field->offset);
2189
2190 #if defined(__APPLE__)
2191 /*
2192 * Bug #5504:
2193 *
2194 * Mac OS Lion doesn't allow ipv6mr_interface = 0.
2195 *
2196 * Tests on Windows and Linux show that the multicast group is only
2197 * joined on one NIC when interface = 0, so we simply use the interface
2198 * id from the first non-loopback interface (this is also what
2199 * Dns.GetHostName (string.Empty) would return).
2200 */
2201 if (!mreq6.ipv6mr_interface)
2202 mreq6.ipv6mr_interface = get_local_interface_id (AF_INET6);
2203 #endif
2204
2205 ret = _wapi_setsockopt (sock, system_level,
2206 system_name, &mreq6,
2207 sizeof (mreq6));
2208 } else if(system_level == sol_ip)
2209 #endif /* AF_INET6 */
2210 {
2211 #ifdef HAVE_STRUCT_IP_MREQN
2212 struct ip_mreqn mreq = {{0}};
2213 #else
2214 struct ip_mreq mreq = {{0}};
2215 #endif /* HAVE_STRUCT_IP_MREQN */
2216
2217 /* pain! MulticastOption holds two IPAddress
2218 * members, so I have to dig the value out of
2219 * those :-(
2220 */
2221 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2222 address = *(gpointer *)(((char *)obj_val) + field->offset);
2223
2224 /* address might not be defined and if so, set the address to ADDR_ANY.
2225 */
2226 if(address) {
2227 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2228 }
2229
2230 field = mono_class_get_field_from_name (obj_val->vtable->klass, "local");
2231 address = *(gpointer *)(((char *)obj_val) + field->offset);
2232
2233 #ifdef HAVE_STRUCT_IP_MREQN
2234 if(address) {
2235 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2236 }
2237
2238 field = mono_class_get_field_from_name(obj_val->vtable->klass, "iface_index");
2239 mreq.imr_ifindex = *(gint32 *)(((char *)obj_val)+field->offset);
2240 #else
2241 if(address) {
2242 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2243 }
2244 #endif /* HAVE_STRUCT_IP_MREQN */
2245
2246 ret = _wapi_setsockopt (sock, system_level,
2247 system_name, &mreq,
2248 sizeof (mreq));
2249 }
2250 break;
2251 }
2252 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2253 default:
2254 /* Cause an exception to be thrown */
2255 *error = WSAEINVAL;
2256 return;
2257 }
2258 } else if (byte_val!=NULL) {
2259 int valsize = mono_array_length (byte_val);
2260 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2261
2262 switch(name) {
2263 case SocketOptionName_DontLinger:
2264 if (valsize == 1) {
2265 linger.l_onoff = (*buf) ? 0 : 1;
2266 linger.l_linger = 0;
2267 ret = _wapi_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2268 } else {
2269 *error = WSAEINVAL;
2270 }
2271 break;
2272 default:
2273 ret = _wapi_setsockopt (sock, system_level, system_name, buf, valsize);
2274 break;
2275 }
2276 } else {
2277 /* ReceiveTimeout/SendTimeout get here */
2278 switch(name) {
2279 case SocketOptionName_DontLinger:
2280 linger.l_onoff = !int_val;
2281 linger.l_linger = 0;
2282 ret = _wapi_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2283 break;
2284 case SocketOptionName_MulticastInterface:
2285 #ifndef HOST_WIN32
2286 #ifdef HAVE_STRUCT_IP_MREQN
2287 int_val = GUINT32_FROM_BE (int_val);
2288 if ((int_val & 0xff000000) == 0) {
2289 /* int_val is interface index */
2290 struct ip_mreqn mreq = {{0}};
2291 mreq.imr_ifindex = int_val;
2292 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &mreq, sizeof (mreq));
2293 break;
2294 }
2295 int_val = GUINT32_TO_BE (int_val);
2296 #endif /* HAVE_STRUCT_IP_MREQN */
2297 #endif /* HOST_WIN32 */
2298 /* int_val is in_addr */
2299 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2300 break;
2301 case SocketOptionName_DontFragment:
2302 #ifdef HAVE_IP_MTU_DISCOVER
2303 /* Fiddle with the value slightly if we're
2304 * turning DF on
2305 */
2306 if (int_val == 1) {
2307 int_val = IP_PMTUDISC_DO;
2308 }
2309 /* Fall through */
2310 #endif
2311
2312 default:
2313 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2314 }
2315 }
2316
2317 if(ret==SOCKET_ERROR) {
2318 *error = WSAGetLastError ();
2319 }
2320 }
2321
2322 void ves_icall_System_Net_Sockets_Socket_Shutdown_internal(SOCKET sock,
2323 gint32 how,
2324 gint32 *error)
2325 {
2326 int ret;
2327
2328 MONO_ARCH_SAVE_REGS;
2329
2330 *error = 0;
2331
2332 /* Currently, the values for how (recv=0, send=1, both=2) match
2333 * the BSD API
2334 */
2335 ret = _wapi_shutdown (sock, how);
2336 if(ret==SOCKET_ERROR) {
2337 *error = WSAGetLastError ();
2338 }
2339 }
2340
2341 gint
2342 ves_icall_System_Net_Sockets_Socket_WSAIoctl (SOCKET sock, gint32 code,
2343 MonoArray *input,
2344 MonoArray *output, gint32 *error)
2345 {
2346 glong output_bytes = 0;
2347 gchar *i_buffer, *o_buffer;
2348 gint i_len, o_len;
2349 gint ret;
2350
2351 MONO_ARCH_SAVE_REGS;
2352
2353 *error = 0;
2354
2355 if ((guint32)code == FIONBIO) {
2356 /* Invalid command. Must use Socket.Blocking */
2357 return -1;
2358 }
2359
2360 if (input == NULL) {
2361 i_buffer = NULL;
2362 i_len = 0;
2363 } else {
2364 i_buffer = mono_array_addr (input, gchar, 0);
2365 i_len = mono_array_length (input);
2366 }
2367
2368 if (output == NULL) {
2369 o_buffer = NULL;
2370 o_len = 0;
2371 } else {
2372 o_buffer = mono_array_addr (output, gchar, 0);
2373 o_len = mono_array_length (output);
2374 }
2375
2376 ret = WSAIoctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes, NULL, NULL);
2377 if (ret == SOCKET_ERROR) {
2378 *error = WSAGetLastError ();
2379 return(-1);
2380 }
2381
2382 return (gint) output_bytes;
2383 }
2384
2385 #ifdef HAVE_SIOCGIFCONF
2386 static gboolean
2387 is_loopback (int family, void *ad)
2388 {
2389 char *ptr = (char *) ad;
2390
2391 if (family == AF_INET) {
2392 return (ptr [0] == 127);
2393 }
2394 #ifdef AF_INET6
2395 else {
2396 return (IN6_IS_ADDR_LOOPBACK ((struct in6_addr *) ptr));
2397 }
2398 #endif
2399 return FALSE;
2400 }
2401
2402 static void *
2403 get_local_ips (int family, int *nips)
2404 {
2405 int addr_size, offset, fd, i, count;
2406 int max_ifaces = 50; /* 50 interfaces should be enough... */
2407 struct ifconf ifc;
2408 struct ifreq *ifr;
2409 struct ifreq iflags;
2410 char *result, *tmp_ptr;
2411 gboolean ignore_loopback = FALSE;
2412
2413 *nips = 0;
2414 if (family == AF_INET) {
2415 addr_size = sizeof (struct in_addr);
2416 offset = G_STRUCT_OFFSET (struct sockaddr_in, sin_addr);
2417 #ifdef AF_INET6
2418 } else if (family == AF_INET6) {
2419 addr_size = sizeof (struct in6_addr);
2420 offset = G_STRUCT_OFFSET (struct sockaddr_in6, sin6_addr);
2421 #endif
2422 } else {
2423 return NULL;
2424 }
2425
2426 fd = socket (family, SOCK_STREAM, 0);
2427
2428 ifc.ifc_len = max_ifaces * sizeof (struct ifreq);
2429 ifc.ifc_buf = g_malloc (ifc.ifc_len);
2430 if (ioctl (fd, SIOCGIFCONF, &ifc) < 0) {
2431 close (fd);
2432 g_free (ifc.ifc_buf);
2433 return NULL;
2434 }
2435
2436 count = ifc.ifc_len / sizeof (struct ifreq);
2437 *nips = count;
2438 if (count == 0) {
2439 g_free (ifc.ifc_buf);
2440 close (fd);
2441 return NULL;
2442 }
2443
2444 for (i = 0, ifr = ifc.ifc_req; i < *nips; i++, ifr++) {
2445 strcpy (iflags.ifr_name, ifr->ifr_name);
2446 if (ioctl (fd, SIOCGIFFLAGS, &iflags) < 0) {
2447 continue;
2448 }
2449
2450 if ((iflags.ifr_flags & IFF_UP) == 0) {
2451 ifr->ifr_name [0] = '\0';
2452 continue;
2453 }
2454
2455 if ((iflags.ifr_flags & IFF_LOOPBACK) == 0) {
2456 ignore_loopback = TRUE;
2457 }
2458 }
2459
2460 close (fd);
2461 result = g_malloc (addr_size * count);
2462 tmp_ptr = result;
2463 for (i = 0, ifr = ifc.ifc_req; i < count; i++, ifr++) {
2464 if (ifr->ifr_name [0] == '\0') {
2465 (*nips)--;
2466 continue;
2467 }
2468
2469 if (ignore_loopback && is_loopback (family, ((char *) &ifr->ifr_addr) + offset)) {
2470 (*nips)--;
2471 continue;
2472 }
2473
2474 memcpy (tmp_ptr, ((char *) &ifr->ifr_addr) + offset, addr_size);
2475 tmp_ptr += addr_size;
2476 }
2477
2478 g_free (ifc.ifc_buf);
2479 return result;
2480 }
2481 #elif defined(HAVE_GETIFADDRS)
2482 static gboolean
2483 is_loopback (int family, void *ad)
2484 {
2485 char *ptr = (char *) ad;
2486
2487 if (family == AF_INET) {
2488 return (ptr [0] == 127);
2489 }
2490 #ifdef AF_INET6
2491 else {
2492 return (IN6_IS_ADDR_LOOPBACK ((struct in6_addr *) ptr));
2493 }
2494 #endif
2495 return FALSE;
2496 }
2497
2498 static void *
2499 get_local_ips (int family, int *nips)
2500 {
2501 struct ifaddrs *ifap = NULL, *ptr;
2502 int addr_size, offset, count, i;
2503 char *result, *tmp_ptr;
2504
2505 *nips = 0;
2506 if (family == AF_INET) {
2507 addr_size = sizeof (struct in_addr);
2508 offset = G_STRUCT_OFFSET (struct sockaddr_in, sin_addr);
2509 #ifdef AF_INET6
2510 } else if (family == AF_INET6) {
2511 addr_size = sizeof (struct in6_addr);
2512 offset = G_STRUCT_OFFSET (struct sockaddr_in6, sin6_addr);
2513 #endif
2514 } else {
2515 return NULL;
2516 }
2517
2518 if (getifaddrs (&ifap)) {
2519 return NULL;
2520 }
2521
2522 count = 0;
2523 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2524 if (!ptr->ifa_addr)
2525 continue;
2526 if (ptr->ifa_addr->sa_family != family)
2527 continue;
2528 if (is_loopback (family, ((char *) ptr->ifa_addr) + offset))
2529 continue;
2530 count++;
2531 }
2532
2533 result = g_malloc (addr_size * count);
2534 tmp_ptr = result;
2535 for (i = 0, ptr = ifap; ptr; ptr = ptr->ifa_next) {
2536 if (!ptr->ifa_addr)
2537 continue;
2538 if (ptr->ifa_addr->sa_family != family)
2539 continue;
2540 if (is_loopback (family, ((char *) ptr->ifa_addr) + offset))
2541 continue;
2542
2543 memcpy (tmp_ptr, ((char *) ptr->ifa_addr) + offset, addr_size);
2544 tmp_ptr += addr_size;
2545 }
2546
2547 freeifaddrs (ifap);
2548 *nips = count;
2549 return result;
2550 }
2551 #else
2552 static void *
2553 get_local_ips (int family, int *nips)
2554 {
2555 *nips = 0;
2556 return NULL;
2557 }
2558
2559 #endif /* HAVE_SIOCGIFCONF */
2560
2561 #ifndef AF_INET6
2562 static gboolean hostent_to_IPHostEntry(struct hostent *he, MonoString **h_name,
2563 MonoArray **h_aliases,
2564 MonoArray **h_addr_list,
2565 gboolean add_local_ips)
2566 {
2567 MonoDomain *domain = mono_domain_get ();
2568 int i = 0;
2569 struct in_addr *local_in = NULL;
2570 int nlocal_in = 0;
2571
2572 if (he != NULL) {
2573 if(he->h_length!=4 || he->h_addrtype!=AF_INET) {
2574 return(FALSE);
2575 }
2576
2577 *h_name=mono_string_new(domain, he->h_name);
2578
2579 while(he->h_aliases[i]!=NULL) {
2580 i++;
2581 }
2582
2583 *h_aliases=mono_array_new(domain, mono_get_string_class (), i);
2584 i=0;
2585 while(he->h_aliases[i]!=NULL) {
2586 MonoString *alias;
2587
2588 alias=mono_string_new(domain, he->h_aliases[i]);
2589 mono_array_setref (*h_aliases, i, alias);
2590 i++;
2591 }
2592 } else if (!add_local_ips) {
2593 return FALSE;
2594 }
2595
2596 if (add_local_ips) {
2597 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2598 if (nlocal_in) {
2599 *h_addr_list = mono_array_new(domain, mono_get_string_class (), nlocal_in);
2600 for (i = 0; i < nlocal_in; i++) {
2601 MonoString *addr_string;
2602 char addr [16], *ptr;
2603
2604 ptr = (char *) &local_in [i];
2605 g_snprintf(addr, 16, "%u.%u.%u.%u",
2606 (unsigned char) ptr [0],
2607 (unsigned char) ptr [1],
2608 (unsigned char) ptr [2],
2609 (unsigned char) ptr [3]);
2610
2611 addr_string = mono_string_new (domain, addr);
2612 mono_array_setref (*h_addr_list, i, addr_string);
2613 i++;
2614 }
2615
2616 g_free (local_in);
2617 } else if (he == NULL) {
2618 /* If requesting "" and there are no other interfaces up, MS returns 127.0.0.1 */
2619 *h_addr_list = mono_array_new(domain, mono_get_string_class (), 1);
2620 mono_array_setref (*h_addr_list, 0, mono_string_new (domain, "127.0.0.1"));
2621 return TRUE;
2622 }
2623 }
2624
2625 if (nlocal_in == 0 && he != NULL) {
2626 i = 0;
2627 while (he->h_addr_list[i]!=NULL) {
2628 i++;
2629 }
2630
2631 *h_addr_list=mono_array_new(domain, mono_get_string_class (), i);
2632 i=0;
2633 while(he->h_addr_list[i]!=NULL) {
2634 MonoString *addr_string;
2635 char addr[16];
2636
2637 g_snprintf(addr, 16, "%u.%u.%u.%u",
2638 (unsigned char)he->h_addr_list[i][0],
2639 (unsigned char)he->h_addr_list[i][1],
2640 (unsigned char)he->h_addr_list[i][2],
2641 (unsigned char)he->h_addr_list[i][3]);
2642
2643 addr_string=mono_string_new(domain, addr);
2644 mono_array_setref (*h_addr_list, i, addr_string);
2645 i++;
2646 }
2647 }
2648
2649 return(TRUE);
2650 }
2651
2652 static gboolean ipaddr_to_IPHostEntry(const char *addr, MonoString **h_name,
2653 MonoArray **h_aliases,
2654 MonoArray **h_addr_list)
2655 {
2656 MonoDomain *domain = mono_domain_get ();
2657
2658 *h_name=mono_string_new(domain, addr);
2659 *h_aliases=mono_array_new(domain, mono_get_string_class (), 0);
2660 *h_addr_list=mono_array_new(domain, mono_get_string_class (), 1);
2661 mono_array_setref (*h_addr_list, 0, *h_name);
2662
2663 return(TRUE);
2664 }
2665 #endif
2666
2667 #if defined(AF_INET6) && defined(HAVE_GETHOSTBYNAME2_R)
2668 static gboolean hostent_to_IPHostEntry2(struct hostent *he1,struct hostent *he2, MonoString **h_name,
2669 MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips)
2670 {
2671 MonoDomain *domain = mono_domain_get ();
2672 int i, host_count, host_index, family_hint;
2673 struct in_addr *local_in = NULL;
2674 int nlocal_in = 0;
2675 struct in6_addr *local_in6 = NULL;
2676 int nlocal_in6 = 0;
2677 gboolean from_local = FALSE;
2678
2679 family_hint = get_family_hint ();
2680
2681 /*
2682 * Check if address length and family are correct
2683 */
2684 if (he1 != NULL && (he1->h_length!=4 || he1->h_addrtype!=AF_INET)) {
2685 return(FALSE);
2686 }
2687
2688 if (he2 != NULL && (he2->h_length!=16 || he2->h_addrtype!=AF_INET6)) {
2689 return(FALSE);
2690 }
2691
2692 /*
2693 * Get the aliases and host name from he1 or he2 whichever is
2694 * not null, if he1 is not null then take aliases from he1
2695 */
2696 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2697 family_hint == PF_INET)) {
2698 *h_name=mono_string_new (domain, he1->h_name);
2699
2700 i=0;
2701 while(he1->h_aliases[i]!=NULL) {
2702 i++;
2703 }
2704
2705 *h_aliases=mono_array_new (domain, mono_get_string_class (),
2706 i);
2707 i=0;
2708 while(he1->h_aliases[i]!=NULL) {
2709 MonoString *alias;
2710
2711 alias=mono_string_new (domain, he1->h_aliases[i]);
2712 mono_array_setref (*h_aliases, i, alias);
2713 i++;
2714 }
2715 } else if (he2 != NULL && (family_hint == PF_UNSPEC ||
2716 family_hint == PF_INET6)) {
2717 *h_name=mono_string_new (domain, he2->h_name);
2718
2719 i=0;
2720 while(he2->h_aliases [i] != NULL) {
2721 i++;
2722 }
2723
2724 *h_aliases=mono_array_new (domain, mono_get_string_class (),
2725 i);
2726 i=0;
2727 while(he2->h_aliases[i]!=NULL) {
2728 MonoString *alias;
2729
2730 alias=mono_string_new (domain, he2->h_aliases[i]);
2731 mono_array_setref (*h_aliases, i, alias);
2732 i++;
2733 }
2734 } else if (!add_local_ips) {
2735 return(FALSE);
2736 }
2737
2738 /*
2739 * Count the number of addresses in he1 + he2
2740 */
2741 host_count = 0;
2742 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2743 family_hint == PF_INET)) {
2744 i=0;
2745 while(he1->h_addr_list[i]!=NULL) {
2746 i++;
2747 host_count++;
2748 }
2749 }
2750
2751 if (he2 != NULL && (family_hint == PF_UNSPEC ||
2752 family_hint == PF_INET6)) {
2753 i=0;
2754 while(he2->h_addr_list[i]!=NULL) {
2755 i++;
2756 host_count++;
2757 }
2758 }
2759
2760 /*
2761 * Fills the array
2762 */
2763 host_index = 0;
2764 if (add_local_ips) {
2765 if (family_hint == PF_UNSPEC || family_hint == PF_INET)
2766 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2767
2768 if (family_hint == PF_UNSPEC || family_hint == PF_INET6)
2769 local_in6 = (struct in6_addr *) get_local_ips (AF_INET6, &nlocal_in6);
2770
2771 if (nlocal_in || nlocal_in6) {
2772 from_local = TRUE;
2773 *h_addr_list = mono_array_new (domain, mono_get_string_class (),
2774 nlocal_in + nlocal_in6);
2775
2776 if (nlocal_in6) {
2777 int n;
2778 for (n = 0; n < nlocal_in6; n++) {
2779 MonoString *addr_string;
2780 const char *ret;
2781 char addr[48]; /* INET6_ADDRSTRLEN == 46, but IPv6 addresses can be 48 bytes with the trailing NULL */
2782
2783 ret = inet_ntop (AF_INET6, &local_in6 [n], addr, sizeof(addr));
2784
2785 if (ret != NULL) {
2786 addr_string = mono_string_new (domain, addr);
2787 mono_array_setref (*h_addr_list, host_index, addr_string);
2788 host_index++;
2789 }
2790 }
2791 }
2792
2793 if (nlocal_in) {
2794 int n;
2795 for (n = 0; n < nlocal_in; n++) {
2796 MonoString *addr_string;
2797 const char *ret;
2798 char addr[16]; /* INET_ADDRSTRLEN == 16 */
2799
2800 ret = inet_ntop (AF_INET, &local_in [n], addr, sizeof(addr));
2801
2802 if (ret != NULL) {
2803 addr_string = mono_string_new (domain, addr);
2804 mono_array_setref (*h_addr_list, host_index, addr_string);
2805 host_index++;
2806 }
2807 }
2808 }
2809 g_free (local_in);
2810 g_free (local_in6);
2811 return TRUE;
2812 } else if (he1 == NULL && he2 == NULL) {
2813 /* If requesting "" and there are no other interfaces up, MS returns 127.0.0.1 */
2814 *h_addr_list = mono_array_new(domain, mono_get_string_class (), 1);
2815 mono_array_setref (*h_addr_list, 0, mono_string_new (domain, "127.0.0.1"));
2816 g_free (local_in);
2817 g_free (local_in6);
2818 return TRUE;
2819 }
2820
2821 g_free (local_in);
2822 g_free (local_in6);
2823 }
2824
2825 *h_addr_list=mono_array_new (domain, mono_get_string_class (), host_count);
2826
2827 if (he2 != NULL && (family_hint == PF_UNSPEC ||
2828 family_hint == PF_INET6)) {
2829 i = 0;
2830 while(he2->h_addr_list[i] != NULL) {
2831 MonoString *addr_string;
2832 const char *ret;
2833 char addr[48]; /* INET6_ADDRSTRLEN == 46, but IPv6 addresses can be 48 bytes long with the trailing NULL */
2834
2835 ret = inet_ntop (AF_INET6, he2->h_addr_list[i], addr,
2836 sizeof(addr));
2837
2838 if (ret != NULL) {
2839 addr_string = mono_string_new (domain, addr);
2840 mono_array_setref (*h_addr_list, host_index, addr_string);
2841 i++;
2842 host_index++;
2843 }
2844 }
2845 }
2846
2847 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2848 family_hint == PF_INET)) {
2849 i=0;
2850 while(he1->h_addr_list[i] != NULL) {
2851 MonoString *addr_string;
2852 const char *ret;
2853 char addr[16]; /* INET_ADDRSTRLEN == 16 */
2854
2855 ret = inet_ntop (AF_INET, he1->h_addr_list[i], addr,
2856 sizeof(addr));
2857
2858 if (ret != NULL) {
2859 addr_string=mono_string_new (domain, addr);
2860 mono_array_setref (*h_addr_list, host_index, addr_string);
2861 i++;
2862 host_index++;
2863 }
2864 }
2865 }
2866
2867 return(TRUE);
2868 }
2869 #endif
2870
2871 #if defined(AF_INET6)
2872 static gboolean
2873 addrinfo_to_IPHostEntry(struct addrinfo *info, MonoString **h_name,
2874 MonoArray **h_aliases,
2875 MonoArray **h_addr_list,
2876 gboolean add_local_ips)
2877 {
2878 gint32 count, i;
2879 struct addrinfo *ai = NULL;
2880 struct in_addr *local_in = NULL;
2881 int nlocal_in = 0;
2882 struct in6_addr *local_in6 = NULL;
2883 int nlocal_in6 = 0;
2884 int addr_index;
2885
2886 MonoDomain *domain = mono_domain_get ();
2887
2888 addr_index = 0;
2889 *h_aliases=mono_array_new(domain, mono_get_string_class (), 0);
2890 if (add_local_ips) {
2891 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2892 local_in6 = (struct in6_addr *) get_local_ips (AF_INET6, &nlocal_in6);
2893 if (nlocal_in || nlocal_in6) {
2894 *h_addr_list=mono_array_new(domain, mono_get_string_class (), nlocal_in + nlocal_in6);
2895 if (nlocal_in) {
2896 MonoString *addr_string;
2897 char addr [16];
2898 int i;
2899
2900 for (i = 0; i < nlocal_in; i++) {
2901 inet_ntop (AF_INET, &local_in [i], addr, sizeof (addr));
2902 addr_string = mono_string_new (domain, addr);
2903 mono_array_setref (*h_addr_list, addr_index, addr_string);
2904 addr_index++;
2905 }
2906 }
2907
2908 if (nlocal_in6) {
2909 MonoString *addr_string;
2910 const char *ret;
2911 char addr [48];
2912 int i;
2913
2914 for (i = 0; i < nlocal_in6; i++) {
2915 ret = inet_ntop (AF_INET6, &local_in6 [i], addr, sizeof (addr));
2916 if (ret != NULL) {
2917 addr_string = mono_string_new (domain, addr);
2918 mono_array_setref (*h_addr_list, addr_index, addr_string);
2919 addr_index++;
2920 }
2921 }
2922 }
2923
2924 g_free (local_in);
2925 g_free (local_in6);
2926 if (info) {
2927 freeaddrinfo (info);
2928 }
2929 return TRUE;
2930 }
2931
2932 g_free (local_in);
2933 g_free (local_in6);
2934 }
2935
2936 for (count=0, ai=info; ai!=NULL; ai=ai->ai_next) {
2937 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
2938 continue;
2939
2940 count++;
2941 }
2942
2943 *h_addr_list=mono_array_new(domain, mono_get_string_class (), count);
2944
2945 for (ai=info, i=0; ai!=NULL; ai=ai->ai_next) {
2946 MonoString *addr_string;
2947 const char *ret;
2948 char buffer [48]; /* Max. size for IPv6 */
2949
2950 if((ai->ai_family != PF_INET) && (ai->ai_family != PF_INET6)) {
2951 continue;
2952 }
2953
2954 if(ai->ai_family == PF_INET) {
2955 ret = inet_ntop(ai->ai_family, (void*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr), buffer, 16);
2956 } else {
2957 ret = inet_ntop(ai->ai_family, (void*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr), buffer, 48);
2958 }
2959
2960 if(ret) {
2961 addr_string=mono_string_new(domain, buffer);
2962 } else {
2963 addr_string=mono_string_new(domain, "");
2964 }
2965
2966 mono_array_setref (*h_addr_list, addr_index, addr_string);
2967
2968 if(!i) {
2969 i++;
2970 if (ai->ai_canonname != NULL) {
2971 *h_name=mono_string_new(domain, ai->ai_canonname);
2972 } else {
2973 *h_name=mono_string_new(domain, buffer);
2974 }
2975 }
2976
2977 addr_index++;
2978 }
2979
2980 if(info) {
2981 freeaddrinfo(info);
2982 }
2983
2984 return(TRUE);
2985 }
2986 #endif
2987
2988 #ifdef AF_INET6
2989 MonoBoolean ves_icall_System_Net_Dns_GetHostByName_internal(MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2990 {
2991 gboolean add_local_ips = FALSE;
2992 #ifdef HAVE_SIOCGIFCONF
2993 gchar this_hostname [256];
2994 #endif
2995 #if !defined(HAVE_GETHOSTBYNAME2_R)
2996 struct addrinfo *info = NULL, hints;
2997 char *hostname;
2998
2999 MONO_ARCH_SAVE_REGS;
3000
3001 hostname=mono_string_to_utf8 (host);
3002 if (*hostname == '\0') {
3003 add_local_ips = TRUE;
3004 *h_name = host;
3005 }
3006 #ifdef HAVE_SIOCGIFCONF
3007 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
3008 if (!strcmp (hostname, this_hostname)) {
3009 add_local_ips = TRUE;
3010 *h_name = host;
3011 }
3012 }
3013 #endif
3014
3015 memset(&hints, 0, sizeof(hints));
3016 hints.ai_family = get_family_hint ();
3017 hints.ai_socktype = SOCK_STREAM;
3018 hints.ai_flags = AI_CANONNAME;
3019
3020 if (*hostname && getaddrinfo(hostname, NULL, &hints, &info) == -1) {
3021 g_free (hostname);
3022 return(FALSE);
3023 }
3024
3025 g_free(hostname);
3026
3027 return(addrinfo_to_IPHostEntry(info, h_name, h_aliases, h_addr_list, add_local_ips));
3028 #else
3029 struct hostent he1,*hp1, he2, *hp2;
3030 int buffer_size1, buffer_size2;
3031 char *buffer1, *buffer2;
3032 int herr;
3033 gboolean return_value;
3034 char *hostname;
3035
3036 MONO_ARCH_SAVE_REGS;
3037
3038 hostname=mono_string_to_utf8 (host);
3039 if (*hostname == '\0')
3040 add_local_ips = TRUE;
3041
3042 #ifdef HAVE_SIOCGIFCONF
3043 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
3044 if (!strcmp (hostname, this_hostname))
3045 add_local_ips = TRUE;
3046 }
3047 #endif
3048
3049 buffer_size1 = 512;
3050 buffer_size2 = 512;
3051 buffer1 = g_malloc0(buffer_size1);
3052 buffer2 = g_malloc0(buffer_size2);
3053
3054 hp1 = NULL;
3055 hp2 = NULL;
3056 while (*hostname && gethostbyname2_r(hostname, AF_INET, &he1, buffer1, buffer_size1,
3057 &hp1, &herr) == ERANGE) {
3058 buffer_size1 *= 2;
3059 buffer1 = g_realloc(buffer1, buffer_size1);
3060 }
3061
3062 if (*hostname && hp1 == NULL)
3063 {
3064 while (gethostbyname2_r(hostname, AF_INET6, &he2, buffer2,
3065 buffer_size2, &hp2, &herr) == ERANGE) {
3066 buffer_size2 *= 2;
3067 buffer2 = g_realloc(buffer2, buffer_size2);
3068 }
3069 }
3070
3071 return_value = hostent_to_IPHostEntry2(hp1, hp2, h_name, h_aliases,
3072 h_addr_list, add_local_ips);
3073
3074 g_free(buffer1);
3075 g_free(buffer2);
3076 g_free(hostname);
3077
3078 return(return_value);
3079 #endif /* HAVE_GETHOSTBYNAME2_R */
3080 }
3081 #else /* AF_INET6 */
3082 MonoBoolean ves_icall_System_Net_Dns_GetHostByName_internal(MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
3083 {
3084 struct hostent *he;
3085 char *hostname;
3086 gboolean add_local_ips = FALSE;
3087 #ifdef HAVE_SIOCGIFCONF
3088 gchar this_hostname [256];
3089 #endif
3090
3091 MONO_ARCH_SAVE_REGS;
3092
3093 hostname=mono_string_to_utf8(host);
3094 if (*hostname == '\0')
3095 add_local_ips = TRUE;
3096 #ifdef HAVE_SIOCGIFCONF
3097 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
3098 if (!strcmp (hostname, this_hostname))
3099 add_local_ips = TRUE;
3100 }
3101 #endif
3102
3103 #ifndef HOST_WIN32
3104 he = NULL;
3105 if (*hostname)
3106 he = _wapi_gethostbyname (hostname);
3107 #else
3108 he = _wapi_gethostbyname (hostname);
3109 #endif
3110
3111 if (*hostname && he==NULL) {
3112 g_free (hostname);
3113 return(FALSE);
3114 }
3115
3116 g_free (hostname);
3117
3118 return(hostent_to_IPHostEntry(he, h_name, h_aliases, h_addr_list, add_local_ips));
3119 }
3120 #endif /* AF_INET6 */
3121
3122 #ifndef HAVE_INET_PTON
3123 static int
3124 inet_pton (int family, const char *address, void *inaddrp)
3125 {
3126 if (family == AF_INET) {
3127 #ifdef HAVE_INET_ATON
3128 struct in_addr inaddr;
3129
3130 if (!inet_aton (address, &inaddr))
3131 return 0;
3132
3133 memcpy (inaddrp, &inaddr, sizeof (struct in_addr));
3134 return 1;
3135 #else
3136 /* assume the system has inet_addr(), if it doesn't
3137 have that we're pretty much screwed... */
3138 guint32 inaddr;
3139
3140 if (!strcmp (address, "255.255.255.255")) {
3141 /* special-case hack */
3142 inaddr = 0xffffffff;
3143 } else {
3144 inaddr = inet_addr (address);
3145 #ifndef INADDR_NONE
3146 #define INADDR_NONE ((in_addr_t) -1)
3147 #endif
3148 if (inaddr == INADDR_NONE)
3149 return 0;
3150 }
3151
3152 memcpy (inaddrp, &inaddr, sizeof (guint32));
3153 return 1;
3154 #endif /* HAVE_INET_ATON */
3155 }
3156
3157 return -1;
3158 }
3159 #endif /* !HAVE_INET_PTON */
3160
3161 extern MonoBoolean ves_icall_System_Net_Dns_GetHostByAddr_internal(MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
3162 {
3163 char *address;
3164
3165 #ifdef AF_INET6
3166 struct sockaddr_in saddr;
3167 struct sockaddr_in6 saddr6;
3168 struct addrinfo *info = NULL, hints;
3169 gint32 family;
3170 char hostname[NI_MAXHOST] = {0};
3171 int flags = 0;
3172 #else
3173 struct in_addr inaddr;
3174 struct hostent *he;
3175 gboolean ret;
3176 #endif
3177
3178 address = mono_string_to_utf8 (addr);
3179
3180 #ifdef AF_INET6
3181 if (inet_pton (AF_INET, address, &saddr.sin_addr ) <= 0) {
3182 /* Maybe an ipv6 address */
3183 if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) <= 0) {
3184 g_free (address);
3185 return FALSE;
3186 }
3187 else {
3188 family = AF_INET6;
3189 saddr6.sin6_family = AF_INET6;
3190 }
3191 }
3192 else {
3193 family = AF_INET;
3194 saddr.sin_family = AF_INET;
3195 }
3196 g_free(address);
3197
3198 if(family == AF_INET) {
3199 #if HAVE_SOCKADDR_IN_SIN_LEN
3200 saddr.sin_len = sizeof (saddr);
3201 #endif
3202 if(getnameinfo ((struct sockaddr*)&saddr, sizeof(saddr),
3203 hostname, sizeof(hostname), NULL, 0,
3204 flags) != 0) {
3205 return(FALSE);
3206 }
3207 } else if(family == AF_INET6) {
3208 #if HAVE_SOCKADDR_IN6_SIN_LEN
3209 saddr6.sin6_len = sizeof (saddr6);
3210 #endif
3211 if(getnameinfo ((struct sockaddr*)&saddr6, sizeof(saddr6),
3212 hostname, sizeof(hostname), NULL, 0,
3213 flags) != 0) {
3214 return(FALSE);
3215 }
3216 }
3217
3218 memset (&hints, 0, sizeof(hints));
3219 hints.ai_family = get_family_hint ();
3220 hints.ai_socktype = SOCK_STREAM;
3221 hints.ai_flags = AI_CANONNAME | AI_ADDRCONFIG;
3222
3223 if( getaddrinfo (hostname, NULL, &hints, &info) == -1 ) {
3224 return(FALSE);
3225 }
3226
3227 return(addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE));
3228 #else
3229 if (inet_pton (AF_INET, address, &inaddr) <= 0) {
3230 g_free (address);
3231 return(FALSE);
3232 }
3233
3234 if ((he = gethostbyaddr ((char *) &inaddr, sizeof (inaddr), AF_INET)) == NULL) {
3235 ret = ipaddr_to_IPHostEntry (address, h_name, h_aliases, h_addr_list);
3236 } else {
3237 ret = hostent_to_IPHostEntry (he, h_name, h_aliases,
3238 h_addr_list, FALSE);
3239 }
3240
3241 g_free (address);
3242 return(ret);
3243 #endif
3244 }
3245
3246 extern MonoBoolean ves_icall_System_Net_Dns_GetHostName_internal(MonoString **h_name)
3247 {
3248 gchar hostname[256];
3249 int ret;
3250
3251 MONO_ARCH_SAVE_REGS;
3252
3253 ret = gethostname (hostname, sizeof (hostname));
3254 if(ret==-1) {
3255 return(FALSE);
3256 }
3257
3258 *h_name=mono_string_new(mono_domain_get (), hostname);
3259
3260 return(TRUE);
3261 }
3262
3263 gboolean
3264 ves_icall_System_Net_Sockets_Socket_SendFile (SOCKET sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags)
3265 {
3266 HANDLE file;
3267 gint32 error;
3268 TRANSMIT_FILE_BUFFERS buffers;
3269
3270 MONO_ARCH_SAVE_REGS;
3271
3272 if (filename == NULL)
3273 return FALSE;
3274
3275 file = ves_icall_System_IO_MonoIO_Open (filename, FileMode_Open, FileAccess_Read, FileShare_Read, 0, &error);
3276 if (file == INVALID_HANDLE_VALUE) {
3277 SetLastError (error);
3278 return FALSE;
3279 }
3280
3281 memset (&buffers, 0, sizeof (buffers));
3282 if (pre_buffer != NULL) {
3283 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
3284 buffers.HeadLength = mono_array_length (pre_buffer);
3285 }
3286 if (post_buffer != NULL) {
3287 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
3288 buffers.TailLength = mono_array_length (post_buffer);
3289 }
3290
3291 if (!TransmitFile (sock, file, 0, 0, NULL, &buffers, flags)) {
3292 CloseHandle (file);
3293 return FALSE;
3294 }
3295
3296 CloseHandle (file);
3297 return TRUE;
3298 }
3299
3300 void mono_network_init(void)
3301 {
3302 WSADATA wsadata;
3303 int err;
3304
3305 err=WSAStartup(MAKEWORD(2,0), &wsadata);
3306 if(err!=0) {
3307 g_error("%s: Couldn't initialise networking", __func__);
3308 exit(-1);
3309 }
3310
3311 LOGDEBUG (g_message("%s: Using socket library: %s", __func__, wsadata.szDescription));
3312 LOGDEBUG (g_message("%s: Socket system status: %s", __func__, wsadata.szSystemStatus));
3313 }
3314
3315 void mono_network_cleanup(void)
3316 {
3317 WSACleanup();
3318 }
3319
3320 void
3321 icall_cancel_blocking_socket_operation (MonoThread *thread)
3322 {
3323 MonoInternalThread *internal = thread->internal_thread;
3324
3325 if (mono_thread_info_new_interrupt_enabled ()) {
3326 mono_thread_info_abort_socket_syscall_for_close ((MonoNativeThreadId)(gsize)internal->tid);
3327 } else {
3328 #ifndef HOST_WIN32
3329 internal->ignore_next_signal = TRUE;
3330 mono_thread_kill (internal, mono_thread_get_abort_signal ());
3331 #endif
3332 }
3333 }
3334
3335 #endif /* #ifndef DISABLE_SOCKETS */
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