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2008-12-02 Mark Probst <mark.probst@gmail.com>
[mono-project.git] / mono / metadata / socket-io.c
blob3720704f84ab4ed3204438ce1302c22d9232cac2
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 * (C) 2001 Ximian, Inc.
9 * Copyright (c) 2005-2006 Novell, Inc. (http://www.novell.com)
10 */
11
12 #include <config.h>
13
14 #include <glib.h>
15 #include <string.h>
16 #include <stdlib.h>
17 #ifdef HAVE_UNISTD_H
18 #include <unistd.h>
19 #endif
20 #include <errno.h>
21
22 #include <mono/metadata/object.h>
23 #include <mono/io-layer/io-layer.h>
24 #include <mono/metadata/socket-io.h>
25 #include <mono/metadata/exception.h>
26 #include <mono/metadata/assembly.h>
27 #include <mono/metadata/appdomain.h>
28 #include <mono/metadata/threads.h>
29 #include <mono/metadata/threads-types.h>
30 #include <mono/utils/mono-poll.h>
31 /* FIXME change this code to not mess so much with the internals */
32 #include <mono/metadata/class-internals.h>
33 #include <mono/metadata/threadpool-internals.h>
34 #include <mono/metadata/domain-internals.h>
35
36 #ifdef HAVE_SYS_TIME_H
37 #include <sys/time.h>
38 #endif
39 #ifdef HAVE_SYS_IOCTL_H
40 #include <sys/ioctl.h>
41 #endif
42 #ifdef HAVE_NET_IF_H
43 #include <net/if.h>
44 #endif
45
46 #ifdef HAVE_NETDB_H
47 #include <netdb.h>
48 #endif
49 #ifdef HAVE_SYS_FILIO_H
50 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
51 #endif
52 #ifdef HAVE_SYS_SOCKIO_H
53 #include <sys/sockio.h> /* defines SIOCATMARK */
54 #endif
55 #ifdef HAVE_SYS_UN_H
56 #include <sys/un.h>
57 #endif
58
59 #include "mono/io-layer/socket-wrappers.h"
60
61 #ifdef PLATFORM_WIN32
62 /* This is a kludge to make this file build under cygwin:
63 * w32api/ws2tcpip.h has definitions for some AF_INET6 values and
64 * prototypes for some but not all required functions (notably
65 * inet_ntop() is missing), but the libws2_32 library is missing the
66 * actual implementations of these functions.
67 */
68 #undef AF_INET6
69 #endif
70
71 #undef DEBUG
72
73 static gint32 convert_family(MonoAddressFamily mono_family)
74 {
75 gint32 family=-1;
76
77 switch(mono_family) {
78 case AddressFamily_Unknown:
79 case AddressFamily_ImpLink:
80 case AddressFamily_Pup:
81 case AddressFamily_Chaos:
82 case AddressFamily_Iso:
83 case AddressFamily_Ecma:
84 case AddressFamily_DataKit:
85 case AddressFamily_Ccitt:
86 case AddressFamily_DataLink:
87 case AddressFamily_Lat:
88 case AddressFamily_HyperChannel:
89 case AddressFamily_NetBios:
90 case AddressFamily_VoiceView:
91 case AddressFamily_FireFox:
92 case AddressFamily_Banyan:
93 case AddressFamily_Atm:
94 case AddressFamily_Cluster:
95 case AddressFamily_Ieee12844:
96 case AddressFamily_NetworkDesigners:
97 g_warning("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
98 break;
99
100 case AddressFamily_Unspecified:
101 family=AF_UNSPEC;
102 break;
103
104 case AddressFamily_Unix:
105 family=AF_UNIX;
106 break;
107
108 case AddressFamily_InterNetwork:
109 family=AF_INET;
110 break;
111
112 case AddressFamily_Ipx:
113 #ifdef AF_IPX
114 family=AF_IPX;
115 #endif
116 break;
117
118 case AddressFamily_Sna:
119 family=AF_SNA;
120 break;
121
122 case AddressFamily_DecNet:
123 family=AF_DECnet;
124 break;
125
126 case AddressFamily_AppleTalk:
127 family=AF_APPLETALK;
128 break;
129
130 case AddressFamily_InterNetworkV6:
131 #ifdef AF_INET6
132 family=AF_INET6;
133 #endif
134 break;
135 case AddressFamily_Irda:
136 #ifdef AF_IRDA
137 family=AF_IRDA;
138 #endif
139 break;
140 default:
141 g_warning("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
142 }
143
144 return(family);
145 }
146
147 static MonoAddressFamily convert_to_mono_family(guint16 af_family)
148 {
149 MonoAddressFamily family=AddressFamily_Unknown;
150
151 switch(af_family) {
152 case AF_UNSPEC:
153 family=AddressFamily_Unspecified;
154 break;
155
156 case AF_UNIX:
157 family=AddressFamily_Unix;
158 break;
159
160 case AF_INET:
161 family=AddressFamily_InterNetwork;
162 break;
163
164 #ifdef AF_IPX
165 case AF_IPX:
166 family=AddressFamily_Ipx;
167 break;
168 #endif
169
170 case AF_SNA:
171 family=AddressFamily_Sna;
172 break;
173
174 case AF_DECnet:
175 family=AddressFamily_DecNet;
176 break;
177
178 case AF_APPLETALK:
179 family=AddressFamily_AppleTalk;
180 break;
181
182 #ifdef AF_INET6
183 case AF_INET6:
184 family=AddressFamily_InterNetworkV6;
185 break;
186 #endif
187
188 #ifdef AF_IRDA
189 case AF_IRDA:
190 family=AddressFamily_Irda;
191 break;
192 #endif
193 default:
194 g_warning("unknown address family 0x%x", af_family);
195 }
196
197 return(family);
198 }
199
200 static gint32 convert_type(MonoSocketType mono_type)
201 {
202 gint32 type=-1;
203
204 switch(mono_type) {
205 case SocketType_Stream:
206 type=SOCK_STREAM;
207 break;
208
209 case SocketType_Dgram:
210 type=SOCK_DGRAM;
211 break;
212
213 case SocketType_Raw:
214 type=SOCK_RAW;
215 break;
216
217 case SocketType_Rdm:
218 type=SOCK_RDM;
219 break;
220
221 case SocketType_Seqpacket:
222 type=SOCK_SEQPACKET;
223 break;
224
225 case SocketType_Unknown:
226 g_warning("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
227 break;
228
229 default:
230 g_warning("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
231 }
232
233 return(type);
234 }
235
236 static gint32 convert_proto(MonoProtocolType mono_proto)
237 {
238 gint32 proto=-1;
239
240 switch(mono_proto) {
241 case ProtocolType_IP:
242 case ProtocolType_IPv6:
243 case ProtocolType_Icmp:
244 case ProtocolType_Igmp:
245 case ProtocolType_Ggp:
246 case ProtocolType_Tcp:
247 case ProtocolType_Pup:
248 case ProtocolType_Udp:
249 case ProtocolType_Idp:
250 /* These protocols are known (on my system at least) */
251 proto=mono_proto;
252 break;
253
254 case ProtocolType_ND:
255 case ProtocolType_Raw:
256 case ProtocolType_Ipx:
257 case ProtocolType_Spx:
258 case ProtocolType_SpxII:
259 case ProtocolType_Unknown:
260 /* These protocols arent */
261 g_warning("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
262 break;
263
264 default:
265 break;
266 }
267
268 return(proto);
269 }
270
271 /* Convert MonoSocketFlags */
272 static gint32 convert_socketflags (gint32 sflags)
273 {
274 gint32 flags = 0;
275
276 if (!sflags)
277 /* SocketFlags.None */
278 return 0;
279
280 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
281 SocketFlags_DontRoute | SocketFlags_Partial))
282 /* Contains invalid flag values */
283 return -1;
284
285 if (sflags & SocketFlags_OutOfBand)
286 flags |= MSG_OOB;
287 if (sflags & SocketFlags_Peek)
288 flags |= MSG_PEEK;
289 if (sflags & SocketFlags_DontRoute)
290 flags |= MSG_DONTROUTE;
291 #if 0
292 /* Ignore Partial - see bug 349688. Don't return -1, because
293 * according to the comment in that bug ms runtime doesn't for
294 * UDP sockets (this means we will silently ignore it for TCP
295 * too)
296 */
297 if (sflags & SocketFlags_Partial)
298 #ifdef MSG_MORE
299 flags |= MSG_MORE;
300 #else
301 return -1;
302 #endif
303 #endif
304 if (sflags & SocketFlags_MaxIOVectorLength)
305 /* FIXME: Don't know what to do for MaxIOVectorLength query */
306 return -1;
307
308 return (flags ? flags : -1);
309 }
310
311 /*
312 * Returns:
313 * 0 on success (mapped mono_level and mono_name to system_level and system_name
314 * -1 on error
315 * -2 on non-fatal error (ie, must ignore)
316 */
317 static gint32 convert_sockopt_level_and_name(MonoSocketOptionLevel mono_level,
318 MonoSocketOptionName mono_name,
319 int *system_level,
320 int *system_name)
321 {
322 switch (mono_level) {
323 case SocketOptionLevel_Socket:
324 *system_level = SOL_SOCKET;
325
326 switch(mono_name) {
327 case SocketOptionName_DontLinger:
328 /* This is SO_LINGER, because the setsockopt
329 * internal call maps DontLinger to SO_LINGER
330 * with l_onoff=0
331 */
332 *system_name = SO_LINGER;
333 break;
334 case SocketOptionName_Debug:
335 *system_name = SO_DEBUG;
336 break;
337 #ifdef SO_ACCEPTCONN
338 case SocketOptionName_AcceptConnection:
339 *system_name = SO_ACCEPTCONN;
340 break;
341 #endif
342 case SocketOptionName_ReuseAddress:
343 *system_name = SO_REUSEADDR;
344 break;
345 case SocketOptionName_KeepAlive:
346 *system_name = SO_KEEPALIVE;
347 break;
348 case SocketOptionName_DontRoute:
349 *system_name = SO_DONTROUTE;
350 break;
351 case SocketOptionName_Broadcast:
352 *system_name = SO_BROADCAST;
353 break;
354 case SocketOptionName_Linger:
355 *system_name = SO_LINGER;
356 break;
357 case SocketOptionName_OutOfBandInline:
358 *system_name = SO_OOBINLINE;
359 break;
360 case SocketOptionName_SendBuffer:
361 *system_name = SO_SNDBUF;
362 break;
363 case SocketOptionName_ReceiveBuffer:
364 *system_name = SO_RCVBUF;
365 break;
366 case SocketOptionName_SendLowWater:
367 *system_name = SO_SNDLOWAT;
368 break;
369 case SocketOptionName_ReceiveLowWater:
370 *system_name = SO_RCVLOWAT;
371 break;
372 case SocketOptionName_SendTimeout:
373 *system_name = SO_SNDTIMEO;
374 break;
375 case SocketOptionName_ReceiveTimeout:
376 *system_name = SO_RCVTIMEO;
377 break;
378 case SocketOptionName_Error:
379 *system_name = SO_ERROR;
380 break;
381 case SocketOptionName_Type:
382 *system_name = SO_TYPE;
383 break;
384 #ifdef SO_PEERCRED
385 case SocketOptionName_PeerCred:
386 *system_name = SO_PEERCRED;
387 break;
388 #endif
389 case SocketOptionName_ExclusiveAddressUse:
390 case SocketOptionName_UseLoopback:
391 case SocketOptionName_MaxConnections:
392 /* Can't figure out how to map these, so fall
393 * through
394 */
395 default:
396 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
397 return(-1);
398 }
399 break;
400
401 case SocketOptionLevel_IP:
402 #ifdef HAVE_SOL_IP
403 *system_level = SOL_IP;
404 #else
405 if (1) {
406 static int cached = 0;
407 static int proto;
408
409 if (!cached) {
410 struct protoent *pent;
411
412 pent = getprotobyname ("IP");
413 proto = pent ? pent->p_proto : 0 /* 0 a good default value?? */;
414 cached = 1;
415 }
416
417 *system_level = proto;
418 }
419 #endif /* HAVE_SOL_IP */
420
421 switch(mono_name) {
422 case SocketOptionName_IPOptions:
423 *system_name = IP_OPTIONS;
424 break;
425 #ifdef IP_HDRINCL
426 case SocketOptionName_HeaderIncluded:
427 *system_name = IP_HDRINCL;
428 break;
429 #endif
430 #ifdef IP_TOS
431 case SocketOptionName_TypeOfService:
432 *system_name = IP_TOS;
433 break;
434 #endif
435 #ifdef IP_TTL
436 case SocketOptionName_IpTimeToLive:
437 *system_name = IP_TTL;
438 break;
439 #endif
440 case SocketOptionName_MulticastInterface:
441 *system_name = IP_MULTICAST_IF;
442 break;
443 case SocketOptionName_MulticastTimeToLive:
444 *system_name = IP_MULTICAST_TTL;
445 break;
446 case SocketOptionName_MulticastLoopback:
447 *system_name = IP_MULTICAST_LOOP;
448 break;
449 case SocketOptionName_AddMembership:
450 *system_name = IP_ADD_MEMBERSHIP;
451 break;
452 case SocketOptionName_DropMembership:
453 *system_name = IP_DROP_MEMBERSHIP;
454 break;
455 #ifdef HAVE_IP_PKTINFO
456 case SocketOptionName_PacketInformation:
457 *system_name = IP_PKTINFO;
458 break;
459 #endif /* HAVE_IP_PKTINFO */
460
461 case SocketOptionName_DontFragment:
462 #ifdef HAVE_IP_DONTFRAGMENT
463 *system_name = IP_DONTFRAGMENT;
464 break;
465 #elif defined HAVE_IP_MTU_DISCOVER
466 /* Not quite the same */
467 *system_name = IP_MTU_DISCOVER;
468 break;
469 #else
470 /* If the flag is not available on this system, we can ignore this error */
471 return (-2);
472 #endif /* HAVE_IP_DONTFRAGMENT */
473 case SocketOptionName_AddSourceMembership:
474 case SocketOptionName_DropSourceMembership:
475 case SocketOptionName_BlockSource:
476 case SocketOptionName_UnblockSource:
477 /* Can't figure out how to map these, so fall
478 * through
479 */
480 default:
481 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
482 return(-1);
483 }
484 break;
485
486 #ifdef AF_INET6
487 case SocketOptionLevel_IPv6:
488 #ifdef HAVE_SOL_IPV6
489 *system_level = SOL_IPV6;
490 #else
491 if (1) {
492 static int cached = 0;
493 static int proto;
494
495 if (!cached) {
496 struct protoent *pent;
497
498 pent = getprotobyname ("IPV6");
499 proto = pent ? pent->p_proto : 41 /* 41 a good default value?? */;
500 cached = 1;
501 }
502
503 *system_level = proto;
504 }
505 #endif /* HAVE_SOL_IPV6 */
506
507 switch(mono_name) {
508 case SocketOptionName_IpTimeToLive:
509 *system_name = IPV6_UNICAST_HOPS;
510 break;
511 case SocketOptionName_MulticastInterface:
512 *system_name = IPV6_MULTICAST_IF;
513 break;
514 case SocketOptionName_MulticastTimeToLive:
515 *system_name = IPV6_MULTICAST_HOPS;
516 break;
517 case SocketOptionName_MulticastLoopback:
518 *system_name = IPV6_MULTICAST_LOOP;
519 break;
520 case SocketOptionName_AddMembership:
521 *system_name = IPV6_JOIN_GROUP;
522 break;
523 case SocketOptionName_DropMembership:
524 *system_name = IPV6_LEAVE_GROUP;
525 break;
526 case SocketOptionName_PacketInformation:
527 #ifdef HAVE_IPV6_PKTINFO
528 *system_name = IPV6_PKTINFO;
529 #endif
530 break;
531 case SocketOptionName_HeaderIncluded:
532 case SocketOptionName_IPOptions:
533 case SocketOptionName_TypeOfService:
534 case SocketOptionName_DontFragment:
535 case SocketOptionName_AddSourceMembership:
536 case SocketOptionName_DropSourceMembership:
537 case SocketOptionName_BlockSource:
538 case SocketOptionName_UnblockSource:
539 /* Can't figure out how to map these, so fall
540 * through
541 */
542 default:
543 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
544 return(-1);
545 }
546
547 break; /* SocketOptionLevel_IPv6 */
548 #endif
549
550 case SocketOptionLevel_Tcp:
551 #ifdef HAVE_SOL_TCP
552 *system_level = SOL_TCP;
553 #else
554 if (1) {
555 static int cached = 0;
556 static int proto;
557
558 if (!cached) {
559 struct protoent *pent;
560
561 pent = getprotobyname ("TCP");
562 proto = pent ? pent->p_proto : 6 /* is 6 a good default value?? */;
563 cached = 1;
564 }
565
566 *system_level = proto;
567 }
568 #endif /* HAVE_SOL_TCP */
569
570 switch(mono_name) {
571 case SocketOptionName_NoDelay:
572 *system_name = TCP_NODELAY;
573 break;
574 #if 0
575 /* The documentation is talking complete
576 * bollocks here: rfc-1222 is titled
577 * 'Advancing the NSFNET Routing Architecture'
578 * and doesn't mention either of the words
579 * "expedite" or "urgent".
580 */
581 case SocketOptionName_BsdUrgent:
582 case SocketOptionName_Expedited:
583 #endif
584 default:
585 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
586 return(-1);
587 }
588 break;
589
590 case SocketOptionLevel_Udp:
591 g_warning("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
592
593 switch(mono_name) {
594 case SocketOptionName_NoChecksum:
595 case SocketOptionName_ChecksumCoverage:
596 default:
597 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
598 return(-1);
599 }
600 return(-1);
601 break;
602
603 default:
604 g_warning("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
605 return(-1);
606 }
607
608 return(0);
609 }
610
611 static MonoImage *get_socket_assembly (void)
612 {
613 static const char *version = NULL;
614 static gboolean moonlight;
615 static MonoImage *socket_assembly = NULL;
616
617 if (version == NULL) {
618 version = mono_get_runtime_info ()->framework_version;
619 moonlight = !strcmp (version, "2.1");
620 }
621
622 if (socket_assembly == NULL) {
623 if (moonlight) {
624 socket_assembly = mono_image_loaded ("System.Net");
625 if (!socket_assembly) {
626 MonoAssembly *sa = mono_assembly_open ("System.Net.dll", NULL);
627
628 if (!sa) {
629 g_assert_not_reached ();
630 } else {
631 socket_assembly = mono_assembly_get_image (sa);
632 }
633 }
634 } else {
635 socket_assembly = mono_image_loaded ("System");
636 if (!socket_assembly) {
637 MonoAssembly *sa = mono_assembly_open ("System.dll", NULL);
638
639 if (!sa) {
640 g_assert_not_reached ();
641 } else {
642 socket_assembly = mono_assembly_get_image (sa);
643 }
644 }
645 }
646 }
647
648 return(socket_assembly);
649 }
650
651 #ifdef AF_INET6
652 static gint32 get_family_hint(void)
653 {
654 MonoDomain *domain = mono_domain_get ();
655
656 if (!domain->inet_family_hint) {
657 MonoClass *socket_class;
658 MonoClassField *ipv6_field, *ipv4_field;
659 gint32 ipv6_enabled = -1, ipv4_enabled = -1;
660 MonoVTable *vtable;
661
662 socket_class = mono_class_from_name (get_socket_assembly (), "System.Net.Sockets", "Socket");
663 ipv4_field = mono_class_get_field_from_name (socket_class, "ipv4Supported");
664 ipv6_field = mono_class_get_field_from_name (socket_class, "ipv6Supported");
665 vtable = mono_class_vtable (mono_domain_get (), socket_class);
666 mono_runtime_class_init (vtable);
667
668 mono_field_static_get_value (vtable, ipv4_field, &ipv4_enabled);
669 mono_field_static_get_value (vtable, ipv6_field, &ipv6_enabled);
670
671 mono_domain_lock (domain);
672 if (ipv4_enabled == 1 && ipv6_enabled == 1) {
673 domain->inet_family_hint = 1;
674 } else if (ipv4_enabled == 1) {
675 domain->inet_family_hint = 2;
676 } else {
677 domain->inet_family_hint = 3;
678 }
679 mono_domain_unlock (domain);
680 }
681 switch (domain->inet_family_hint) {
682 case 1: return PF_UNSPEC;
683 case 2: return PF_INET;
684 case 3: return PF_INET6;
685 default:
686 return PF_UNSPEC;
687 }
688 }
689 #endif
690
691 gpointer ves_icall_System_Net_Sockets_Socket_Socket_internal(MonoObject *this, gint32 family, gint32 type, gint32 proto, gint32 *error)
692 {
693 SOCKET sock;
694 gint32 sock_family;
695 gint32 sock_proto;
696 gint32 sock_type;
697
698 MONO_ARCH_SAVE_REGS;
699
700 *error = 0;
701
702 sock_family=convert_family(family);
703 if(sock_family==-1) {
704 *error = WSAEAFNOSUPPORT;
705 return(NULL);
706 }
707
708 sock_proto=convert_proto(proto);
709 if(sock_proto==-1) {
710 *error = WSAEPROTONOSUPPORT;
711 return(NULL);
712 }
713
714 sock_type=convert_type(type);
715 if(sock_type==-1) {
716 *error = WSAESOCKTNOSUPPORT;
717 return(NULL);
718 }
719
720 sock = _wapi_socket (sock_family, sock_type, sock_proto,
721 NULL, 0, WSA_FLAG_OVERLAPPED);
722
723 if(sock==INVALID_SOCKET) {
724 *error = WSAGetLastError ();
725 return(NULL);
726 }
727
728 if (sock_family == AF_INET && sock_type == SOCK_DGRAM) {
729 return (GUINT_TO_POINTER (sock));
730 }
731
732 #ifdef AF_INET6
733 if (sock_family == AF_INET6 && sock_type == SOCK_DGRAM) {
734 return (GUINT_TO_POINTER (sock));
735 }
736 #endif
737
738 return(GUINT_TO_POINTER (sock));
739 }
740
741 /* FIXME: the SOCKET parameter (here and in other functions in this
742 * file) is really an IntPtr which needs to be converted to a guint32.
743 */
744 void ves_icall_System_Net_Sockets_Socket_Close_internal(SOCKET sock,
745 gint32 *error)
746 {
747 MONO_ARCH_SAVE_REGS;
748
749 #ifdef DEBUG
750 g_message (G_GNUC_PRETTY_FUNCTION ": closing 0x%x", sock);
751 #endif
752
753 *error = 0;
754
755 /* Clear any pending work item from this socket if the underlying
756 * polling system does not notify when the socket is closed */
757 mono_thread_pool_remove_socket (GPOINTER_TO_INT (sock));
758 closesocket(sock);
759 }
760
761 gint32 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal(void)
762 {
763 MONO_ARCH_SAVE_REGS;
764
765 #ifdef DEBUG
766 g_message(G_GNUC_PRETTY_FUNCTION ": returning %d", WSAGetLastError());
767 #endif
768
769 return(WSAGetLastError());
770 }
771
772 gint32 ves_icall_System_Net_Sockets_Socket_Available_internal(SOCKET sock,
773 gint32 *error)
774 {
775 int ret;
776 int amount;
777
778 MONO_ARCH_SAVE_REGS;
779
780 *error = 0;
781
782 ret=ioctlsocket(sock, FIONREAD, &amount);
783 if(ret==SOCKET_ERROR) {
784 *error = WSAGetLastError ();
785 return(0);
786 }
787
788 return(amount);
789 }
790
791 void ves_icall_System_Net_Sockets_Socket_Blocking_internal(SOCKET sock,
792 gboolean block,
793 gint32 *error)
794 {
795 int ret;
796
797 MONO_ARCH_SAVE_REGS;
798
799 *error = 0;
800
801 /*
802 * block == TRUE/FALSE means we will block/not block.
803 * But the ioctlsocket call takes TRUE/FALSE for non-block/block
804 */
805 block = !block;
806
807 ret = ioctlsocket (sock, FIONBIO, (gulong *) &block);
808 if(ret==SOCKET_ERROR) {
809 *error = WSAGetLastError ();
810 }
811 }
812
813 gpointer ves_icall_System_Net_Sockets_Socket_Accept_internal(SOCKET sock,
814 gint32 *error)
815 {
816 SOCKET newsock;
817
818 MONO_ARCH_SAVE_REGS;
819
820 *error = 0;
821
822 newsock = _wapi_accept (sock, NULL, 0);
823 if(newsock==INVALID_SOCKET) {
824 *error = WSAGetLastError ();
825 return(NULL);
826 }
827
828 return(GUINT_TO_POINTER (newsock));
829 }
830
831 void ves_icall_System_Net_Sockets_Socket_Listen_internal(SOCKET sock,
832 guint32 backlog,
833 gint32 *error)
834 {
835 int ret;
836
837 MONO_ARCH_SAVE_REGS;
838
839 *error = 0;
840
841 ret = _wapi_listen (sock, backlog);
842 if(ret==SOCKET_ERROR) {
843 *error = WSAGetLastError ();
844 }
845 }
846
847 static MonoObject *create_object_from_sockaddr(struct sockaddr *saddr,
848 int sa_size, gint32 *error)
849 {
850 MonoDomain *domain = mono_domain_get ();
851 MonoObject *sockaddr_obj;
852 MonoClass *sockaddr_class;
853 MonoClassField *field;
854 MonoArray *data;
855 MonoAddressFamily family;
856
857 /* Build a System.Net.SocketAddress object instance */
858 sockaddr_class=mono_class_from_name(get_socket_assembly (), "System.Net", "SocketAddress");
859 sockaddr_obj=mono_object_new(domain, sockaddr_class);
860
861 /* Locate the SocketAddress data buffer in the object */
862 field=mono_class_get_field_from_name(sockaddr_class, "data");
863
864 /* Make sure there is space for the family and size bytes */
865 #ifdef HAVE_SYS_UN_H
866 if (saddr->sa_family == AF_UNIX) {
867 /* sa_len includes the entire sockaddr size, so we don't need the
868 * N bytes (sizeof (unsigned short)) of the family. */
869 data=mono_array_new(domain, mono_get_byte_class (), sa_size);
870 } else
871 #endif
872 {
873 /* May be the +2 here is too conservative, as sa_len returns
874 * the length of the entire sockaddr_in/in6, including
875 * sizeof (unsigned short) of the family */
876 data=mono_array_new(domain, mono_get_byte_class (), sa_size+2);
877 }
878
879 /* The data buffer is laid out as follows:
880 * bytes 0 and 1 are the address family
881 * bytes 2 and 3 are the port info
882 * the rest is the address info
883 */
884
885 family=convert_to_mono_family(saddr->sa_family);
886 if(family==AddressFamily_Unknown) {
887 *error = WSAEAFNOSUPPORT;
888 return(NULL);
889 }
890
891 mono_array_set(data, guint8, 0, family & 0x0FF);
892 mono_array_set(data, guint8, 1, (family >> 8) & 0x0FF);
893
894 if(saddr->sa_family==AF_INET) {
895 struct sockaddr_in *sa_in=(struct sockaddr_in *)saddr;
896 guint16 port=ntohs(sa_in->sin_port);
897 guint32 address=ntohl(sa_in->sin_addr.s_addr);
898
899 if(sa_size<8) {
900 mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
901 }
902
903 mono_array_set(data, guint8, 2, (port>>8) & 0xff);
904 mono_array_set(data, guint8, 3, (port) & 0xff);
905 mono_array_set(data, guint8, 4, (address>>24) & 0xff);
906 mono_array_set(data, guint8, 5, (address>>16) & 0xff);
907 mono_array_set(data, guint8, 6, (address>>8) & 0xff);
908 mono_array_set(data, guint8, 7, (address) & 0xff);
909
910 mono_field_set_value (sockaddr_obj, field, data);
911
912 return(sockaddr_obj);
913 #ifdef AF_INET6
914 } else if (saddr->sa_family == AF_INET6) {
915 struct sockaddr_in6 *sa_in=(struct sockaddr_in6 *)saddr;
916 int i;
917
918 guint16 port=ntohs(sa_in->sin6_port);
919
920 if(sa_size<28) {
921 mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
922 }
923
924 mono_array_set(data, guint8, 2, (port>>8) & 0xff);
925 mono_array_set(data, guint8, 3, (port) & 0xff);
926
927 for(i=0; i<16; i++) {
928 mono_array_set(data, guint8, 8+i,
929 sa_in->sin6_addr.s6_addr[i]);
930 }
931
932 mono_array_set(data, guint8, 24, sa_in->sin6_scope_id & 0xff);
933 mono_array_set(data, guint8, 25,
934 (sa_in->sin6_scope_id >> 8) & 0xff);
935 mono_array_set(data, guint8, 26,
936 (sa_in->sin6_scope_id >> 16) & 0xff);
937 mono_array_set(data, guint8, 27,
938 (sa_in->sin6_scope_id >> 24) & 0xff);
939
940 mono_field_set_value (sockaddr_obj, field, data);
941
942 return(sockaddr_obj);
943 #endif
944 #ifdef HAVE_SYS_UN_H
945 } else if (saddr->sa_family == AF_UNIX) {
946 int i;
947
948 for (i = 0; i < sa_size; i++) {
949 mono_array_set (data, guint8, i+2, saddr->sa_data[i]);
950 }
951
952 mono_field_set_value (sockaddr_obj, field, data);
953
954 return sockaddr_obj;
955 #endif
956 } else {
957 *error = WSAEAFNOSUPPORT;
958 return(NULL);
959 }
960 }
961
962 extern MonoObject *ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal(SOCKET sock, gint32 *error)
963 {
964 gchar sa[32]; /* sockaddr in not big enough for sockaddr_in6 */
965 socklen_t salen;
966 int ret;
967
968 MONO_ARCH_SAVE_REGS;
969
970 *error = 0;
971
972 salen=sizeof(sa);
973 ret = _wapi_getsockname (sock, (struct sockaddr *)sa, &salen);
974
975 if(ret==SOCKET_ERROR) {
976 *error = WSAGetLastError ();
977 return(NULL);
978 }
979
980 #ifdef DEBUG
981 g_message(G_GNUC_PRETTY_FUNCTION ": bound to %s port %d", inet_ntoa(((struct sockaddr_in *)&sa)->sin_addr), ntohs(((struct sockaddr_in *)&sa)->sin_port));
982 #endif
983
984 return(create_object_from_sockaddr((struct sockaddr *)sa, salen,
985 error));
986 }
987
988 extern MonoObject *ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal(SOCKET sock, gint32 *error)
989 {
990 gchar sa[32]; /* sockaddr in not big enough for sockaddr_in6 */
991 socklen_t salen;
992 int ret;
993
994 MONO_ARCH_SAVE_REGS;
995
996 *error = 0;
997
998 salen=sizeof(sa);
999 ret = _wapi_getpeername (sock, (struct sockaddr *)sa, &salen);
1000
1001 if(ret==SOCKET_ERROR) {
1002 *error = WSAGetLastError ();
1003 return(NULL);
1004 }
1005
1006 #ifdef DEBUG
1007 g_message(G_GNUC_PRETTY_FUNCTION ": connected to %s port %d", inet_ntoa(((struct sockaddr_in *)&sa)->sin_addr), ntohs(((struct sockaddr_in *)&sa)->sin_port));
1008 #endif
1009
1010 return(create_object_from_sockaddr((struct sockaddr *)sa, salen,
1011 error));
1012 }
1013
1014 static struct sockaddr *create_sockaddr_from_object(MonoObject *saddr_obj,
1015 socklen_t *sa_size,
1016 gint32 *error)
1017 {
1018 MonoClassField *field;
1019 MonoArray *data;
1020 gint32 family;
1021 int len;
1022
1023 /* Dig the SocketAddress data buffer out of the object */
1024 field=mono_class_get_field_from_name(saddr_obj->vtable->klass, "data");
1025 data=*(MonoArray **)(((char *)saddr_obj) + field->offset);
1026
1027 /* The data buffer is laid out as follows:
1028 * byte 0 is the address family low byte
1029 * byte 1 is the address family high byte
1030 * INET:
1031 * bytes 2 and 3 are the port info
1032 * the rest is the address info
1033 * UNIX:
1034 * the rest is the file name
1035 */
1036 len = mono_array_length (data);
1037 if (len < 2) {
1038 mono_raise_exception (mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
1039 }
1040
1041 family = convert_family (mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8));
1042 if (family == AF_INET) {
1043 struct sockaddr_in *sa;
1044 guint16 port;
1045 guint32 address;
1046
1047 if (len < 8) {
1048 mono_raise_exception (mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1049 }
1050
1051 sa = g_new0 (struct sockaddr_in, 1);
1052 port = (mono_array_get (data, guint8, 2) << 8) +
1053 mono_array_get (data, guint8, 3);
1054 address = (mono_array_get (data, guint8, 4) << 24) +
1055 (mono_array_get (data, guint8, 5) << 16 ) +
1056 (mono_array_get (data, guint8, 6) << 8) +
1057 mono_array_get (data, guint8, 7);
1058
1059 sa->sin_family = family;
1060 sa->sin_addr.s_addr = htonl (address);
1061 sa->sin_port = htons (port);
1062
1063 *sa_size = sizeof(struct sockaddr_in);
1064 return((struct sockaddr *)sa);
1065
1066 #ifdef AF_INET6
1067 } else if (family == AF_INET6) {
1068 struct sockaddr_in6 *sa;
1069 int i;
1070 guint16 port;
1071 guint32 scopeid;
1072
1073 if (len < 28) {
1074 mono_raise_exception (mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1075 }
1076
1077 sa = g_new0 (struct sockaddr_in6, 1);
1078 port = mono_array_get (data, guint8, 3) +
1079 (mono_array_get (data, guint8, 2) << 8);
1080 scopeid = mono_array_get (data, guint8, 24) +
1081 (mono_array_get (data, guint8, 25) << 8) +
1082 (mono_array_get (data, guint8, 26) << 16) +
1083 (mono_array_get (data, guint8, 27) << 24);
1084
1085 sa->sin6_family = family;
1086 sa->sin6_port = htons (port);
1087 sa->sin6_scope_id = scopeid;
1088
1089 for(i=0; i<16; i++) {
1090 sa->sin6_addr.s6_addr[i] = mono_array_get (data, guint8, 8+i);
1091 }
1092
1093 *sa_size = sizeof(struct sockaddr_in6);
1094 return((struct sockaddr *)sa);
1095 #endif
1096 #ifdef HAVE_SYS_UN_H
1097 } else if (family == AF_UNIX) {
1098 struct sockaddr_un *sock_un;
1099 int i;
1100
1101 /* Need a byte for the '\0' terminator/prefix, and the first
1102 * two bytes hold the SocketAddress family
1103 */
1104 if (len - 2 >= MONO_SIZEOF_SUNPATH) {
1105 mono_raise_exception (mono_get_exception_index_out_of_range ());
1106 }
1107
1108 sock_un = g_new0 (struct sockaddr_un, 1);
1109
1110 sock_un->sun_family = family;
1111 for (i = 0; i < len - 2; i++) {
1112 sock_un->sun_path [i] = mono_array_get (data, guint8,
1113 i + 2);
1114 }
1115
1116 *sa_size = len;
1117
1118 return (struct sockaddr *)sock_un;
1119 #endif
1120 } else {
1121 *error = WSAEAFNOSUPPORT;
1122 return(0);
1123 }
1124 }
1125
1126 extern void ves_icall_System_Net_Sockets_Socket_Bind_internal(SOCKET sock, MonoObject *sockaddr, gint32 *error)
1127 {
1128 struct sockaddr *sa;
1129 socklen_t sa_size;
1130 int ret;
1131
1132 MONO_ARCH_SAVE_REGS;
1133
1134 *error = 0;
1135
1136 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1137 if (*error != 0) {
1138 return;
1139 }
1140
1141 #ifdef DEBUG
1142 g_message(G_GNUC_PRETTY_FUNCTION ": binding to %s port %d", inet_ntoa(((struct sockaddr_in *)sa)->sin_addr), ntohs (((struct sockaddr_in *)sa)->sin_port));
1143 #endif
1144
1145 ret = _wapi_bind (sock, sa, sa_size);
1146 if(ret==SOCKET_ERROR) {
1147 *error = WSAGetLastError ();
1148 }
1149
1150 g_free(sa);
1151 }
1152
1153 enum {
1154 SelectModeRead,
1155 SelectModeWrite,
1156 SelectModeError
1157 };
1158
1159 MonoBoolean
1160 ves_icall_System_Net_Sockets_Socket_Poll_internal (SOCKET sock, gint mode,
1161 gint timeout, gint32 *error)
1162 {
1163 MonoThread *thread = NULL;
1164 mono_pollfd *pfds;
1165 int ret;
1166 time_t start;
1167
1168
1169 MONO_ARCH_SAVE_REGS;
1170
1171 pfds = g_new0 (mono_pollfd, 1);
1172 pfds[0].fd = GPOINTER_TO_INT (sock);
1173 pfds[0].events = (mode == SelectModeRead) ? MONO_POLLIN :
1174 (mode == SelectModeWrite) ? MONO_POLLOUT :
1175 (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL);
1176
1177 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1178 start = time (NULL);
1179 do {
1180 *error = 0;
1181
1182 ret = mono_poll (pfds, 1, timeout);
1183 if (timeout > 0 && ret < 0) {
1184 int err = errno;
1185 int sec = time (NULL) - start;
1186
1187 timeout -= sec * 1000;
1188 if (timeout < 0) {
1189 timeout = 0;
1190 }
1191
1192 errno = err;
1193 }
1194
1195 if (ret == -1 && errno == EINTR) {
1196 int leave = 0;
1197
1198 if (thread == NULL) {
1199 thread = mono_thread_current ();
1200 }
1201
1202 leave = mono_thread_test_state (thread, ThreadState_AbortRequested | ThreadState_StopRequested);
1203
1204 if (leave != 0) {
1205 g_free (pfds);
1206 return(FALSE);
1207 } else {
1208 /* Suspend requested? */
1209 mono_thread_interruption_checkpoint ();
1210 }
1211 errno = EINTR;
1212 }
1213 } while (ret == -1 && errno == EINTR);
1214
1215 if (ret == -1) {
1216 #ifdef PLATFORM_WIN32
1217 *error = WSAGetLastError ();
1218 #else
1219 *error = errno_to_WSA (errno, __func__);
1220 #endif
1221 g_free (pfds);
1222 return(FALSE);
1223 }
1224
1225 g_free (pfds);
1226
1227 if (ret == 0) {
1228 return(FALSE);
1229 } else {
1230 return (TRUE);
1231 }
1232 }
1233
1234 extern void ves_icall_System_Net_Sockets_Socket_Connect_internal(SOCKET sock, MonoObject *sockaddr, gint32 *error)
1235 {
1236 struct sockaddr *sa;
1237 socklen_t sa_size;
1238 int ret;
1239
1240 MONO_ARCH_SAVE_REGS;
1241
1242 *error = 0;
1243
1244 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1245 if (*error != 0) {
1246 return;
1247 }
1248
1249 #ifdef DEBUG
1250 g_message(G_GNUC_PRETTY_FUNCTION ": connecting to %s port %d", inet_ntoa(((struct sockaddr_in *)sa)->sin_addr), ntohs (((struct sockaddr_in *)sa)->sin_port));
1251 #endif
1252
1253 ret = _wapi_connect (sock, sa, sa_size);
1254 if(ret==SOCKET_ERROR) {
1255 *error = WSAGetLastError ();
1256 }
1257
1258 g_free(sa);
1259 }
1260
1261 /* These #defines from mswsock.h from wine. Defining them here allows
1262 * us to build this file on a mingw box that doesn't know the magic
1263 * numbers, but still run on a newer windows box that does.
1264 */
1265 #ifndef WSAID_DISCONNECTEX
1266 #define WSAID_DISCONNECTEX {0x7fda2e11,0x8630,0x436f,{0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}}
1267 typedef BOOL (WINAPI *LPFN_DISCONNECTEX)(SOCKET, LPOVERLAPPED, DWORD, DWORD);
1268 #endif
1269
1270 #ifndef WSAID_TRANSMITFILE
1271 #define WSAID_TRANSMITFILE {0xb5367df0,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}}
1272 typedef BOOL (WINAPI *LPFN_TRANSMITFILE)(SOCKET, HANDLE, DWORD, DWORD, LPOVERLAPPED, LPTRANSMIT_FILE_BUFFERS, DWORD);
1273 #endif
1274
1275 extern void ves_icall_System_Net_Sockets_Socket_Disconnect_internal(SOCKET sock, MonoBoolean reuse, gint32 *error)
1276 {
1277 int ret;
1278 glong output_bytes = 0;
1279 GUID disco_guid = WSAID_DISCONNECTEX;
1280 GUID trans_guid = WSAID_TRANSMITFILE;
1281 LPFN_DISCONNECTEX _wapi_disconnectex = NULL;
1282 LPFN_TRANSMITFILE _wapi_transmitfile = NULL;
1283 gboolean bret;
1284
1285 MONO_ARCH_SAVE_REGS;
1286
1287 *error = 0;
1288
1289 #ifdef DEBUG
1290 g_message("%s: disconnecting from socket %p (reuse %d)", __func__,
1291 sock, reuse);
1292 #endif
1293
1294 /* I _think_ the extension function pointers need to be looked
1295 * up for each socket. FIXME: check the best way to store
1296 * pointers to functions in managed objects that still works
1297 * on 64bit platforms.
1298 */
1299 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER,
1300 (void *)&disco_guid, sizeof(GUID),
1301 (void *)&_wapi_disconnectex, sizeof(void *),
1302 &output_bytes, NULL, NULL);
1303 if (ret != 0) {
1304 /* make sure that WSAIoctl didn't put crap in the
1305 * output pointer
1306 */
1307 _wapi_disconnectex = NULL;
1308
1309 /* Look up the TransmitFile extension function pointer
1310 * instead of calling TransmitFile() directly, because
1311 * apparently "Several of the extension functions have
1312 * been available since WinSock 1.1 and are exported
1313 * from MSWsock.dll, however it's not advisable to
1314 * link directly to this dll as this ties you to the
1315 * Microsoft WinSock provider. A provider neutral way
1316 * of accessing these extension functions is to load
1317 * them dynamically via WSAIoctl using the
1318 * SIO_GET_EXTENSION_FUNCTION_POINTER op code. This
1319 * should, theoretically, allow you to access these
1320 * functions from any provider that supports them..."
1321 * (http://www.codeproject.com/internet/jbsocketserver3.asp)
1322 */
1323 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER,
1324 (void *)&trans_guid, sizeof(GUID),
1325 (void *)&_wapi_transmitfile, sizeof(void *),
1326 &output_bytes, NULL, NULL);
1327 if (ret != 0) {
1328 _wapi_transmitfile = NULL;
1329 }
1330 }
1331
1332 if (_wapi_disconnectex != NULL) {
1333 bret = _wapi_disconnectex (sock, NULL, TF_REUSE_SOCKET, 0);
1334 } else if (_wapi_transmitfile != NULL) {
1335 bret = _wapi_transmitfile (sock, NULL, 0, 0, NULL, NULL,
1336 TF_DISCONNECT | TF_REUSE_SOCKET);
1337 } else {
1338 *error = ERROR_NOT_SUPPORTED;
1339 return;
1340 }
1341
1342 if (bret == FALSE) {
1343 *error = WSAGetLastError ();
1344 }
1345 }
1346
1347 gint32 ves_icall_System_Net_Sockets_Socket_Receive_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *error)
1348 {
1349 int ret;
1350 guchar *buf;
1351 gint32 alen;
1352 int recvflags=0;
1353
1354 MONO_ARCH_SAVE_REGS;
1355
1356 *error = 0;
1357
1358 alen = mono_array_length (buffer);
1359 if (offset > alen - count) {
1360 return(0);
1361 }
1362
1363 buf=mono_array_addr(buffer, guchar, offset);
1364
1365 recvflags = convert_socketflags (flags);
1366 if (recvflags == -1) {
1367 *error = WSAEOPNOTSUPP;
1368 return (0);
1369 }
1370
1371 ret = _wapi_recv (sock, buf, count, recvflags);
1372 if(ret==SOCKET_ERROR) {
1373 *error = WSAGetLastError ();
1374 return(0);
1375 }
1376
1377 return(ret);
1378 }
1379
1380 gint32 ves_icall_System_Net_Sockets_Socket_Receive_array_internal(SOCKET sock, MonoArray *buffers, gint32 flags, gint32 *error)
1381 {
1382 int ret, count;
1383 DWORD recv;
1384 WSABUF *wsabufs;
1385 DWORD recvflags = 0;
1386
1387 MONO_ARCH_SAVE_REGS;
1388
1389 *error = 0;
1390
1391 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1392 count = mono_array_length (buffers);
1393
1394 recvflags = convert_socketflags (flags);
1395 if (recvflags == -1) {
1396 *error = WSAEOPNOTSUPP;
1397 return(0);
1398 }
1399
1400 ret = WSARecv (sock, wsabufs, count, &recv, &recvflags, NULL, NULL);
1401 if (ret == SOCKET_ERROR) {
1402 *error = WSAGetLastError ();
1403 return(0);
1404 }
1405
1406 return(recv);
1407 }
1408
1409 gint32 ves_icall_System_Net_Sockets_Socket_RecvFrom_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *error)
1410 {
1411 int ret;
1412 guchar *buf;
1413 gint32 alen;
1414 int recvflags=0;
1415 struct sockaddr *sa;
1416 socklen_t sa_size;
1417
1418 MONO_ARCH_SAVE_REGS;
1419
1420 *error = 0;
1421
1422 alen = mono_array_length (buffer);
1423 if (offset > alen - count) {
1424 return(0);
1425 }
1426
1427 sa=create_sockaddr_from_object(*sockaddr, &sa_size, error);
1428 if (*error != 0) {
1429 return(0);
1430 }
1431
1432 buf=mono_array_addr(buffer, guchar, offset);
1433
1434 recvflags = convert_socketflags (flags);
1435 if (recvflags == -1) {
1436 *error = WSAEOPNOTSUPP;
1437 return (0);
1438 }
1439
1440 ret = _wapi_recvfrom (sock, buf, count, recvflags, sa, &sa_size);
1441 if(ret==SOCKET_ERROR) {
1442 g_free(sa);
1443 *error = WSAGetLastError ();
1444 return(0);
1445 }
1446
1447 /* If we didn't get a socket size, then we're probably a
1448 * connected connection-oriented socket and the stack hasn't
1449 * returned the remote address. All we can do is return null.
1450 */
1451 if ( sa_size != 0 )
1452 *sockaddr=create_object_from_sockaddr(sa, sa_size, error);
1453 else
1454 *sockaddr=NULL;
1455
1456 g_free(sa);
1457
1458 return(ret);
1459 }
1460
1461 gint32 ves_icall_System_Net_Sockets_Socket_Send_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *error)
1462 {
1463 int ret;
1464 guchar *buf;
1465 gint32 alen;
1466 int sendflags=0;
1467
1468 MONO_ARCH_SAVE_REGS;
1469
1470 *error = 0;
1471
1472 alen = mono_array_length (buffer);
1473 if (offset > alen - count) {
1474 return(0);
1475 }
1476
1477 #ifdef DEBUG
1478 g_message(G_GNUC_PRETTY_FUNCTION ": alen: %d", alen);
1479 #endif
1480
1481 buf=mono_array_addr(buffer, guchar, offset);
1482
1483 #ifdef DEBUG
1484 g_message(G_GNUC_PRETTY_FUNCTION ": Sending %d bytes", count);
1485 #endif
1486
1487 sendflags = convert_socketflags (flags);
1488 if (sendflags == -1) {
1489 *error = WSAEOPNOTSUPP;
1490 return (0);
1491 }
1492
1493 ret = _wapi_send (sock, buf, count, sendflags);
1494 if(ret==SOCKET_ERROR) {
1495 *error = WSAGetLastError ();
1496 return(0);
1497 }
1498
1499 return(ret);
1500 }
1501
1502 gint32 ves_icall_System_Net_Sockets_Socket_Send_array_internal(SOCKET sock, MonoArray *buffers, gint32 flags, gint32 *error)
1503 {
1504 int ret, count;
1505 DWORD sent;
1506 WSABUF *wsabufs;
1507 DWORD sendflags = 0;
1508
1509 MONO_ARCH_SAVE_REGS;
1510
1511 *error = 0;
1512
1513 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1514 count = mono_array_length (buffers);
1515
1516 sendflags = convert_socketflags (flags);
1517 if (sendflags == -1) {
1518 *error = WSAEOPNOTSUPP;
1519 return(0);
1520 }
1521
1522 ret = WSASend (sock, wsabufs, count, &sent, sendflags, NULL, NULL);
1523 if (ret == SOCKET_ERROR) {
1524 *error = WSAGetLastError ();
1525 return(0);
1526 }
1527
1528 return(sent);
1529 }
1530
1531 gint32 ves_icall_System_Net_Sockets_Socket_SendTo_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *error)
1532 {
1533 int ret;
1534 guchar *buf;
1535 gint32 alen;
1536 int sendflags=0;
1537 struct sockaddr *sa;
1538 socklen_t sa_size;
1539
1540 MONO_ARCH_SAVE_REGS;
1541
1542 *error = 0;
1543
1544 alen = mono_array_length (buffer);
1545 if (offset > alen - count) {
1546 return(0);
1547 }
1548
1549 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1550 if(*error != 0) {
1551 return(0);
1552 }
1553
1554 #ifdef DEBUG
1555 g_message(G_GNUC_PRETTY_FUNCTION ": alen: %d", alen);
1556 #endif
1557
1558 buf=mono_array_addr(buffer, guchar, offset);
1559
1560 #ifdef DEBUG
1561 g_message(G_GNUC_PRETTY_FUNCTION ": Sending %d bytes", count);
1562 #endif
1563
1564 sendflags = convert_socketflags (flags);
1565 if (sendflags == -1) {
1566 *error = WSAEOPNOTSUPP;
1567 return (0);
1568 }
1569
1570 ret = _wapi_sendto (sock, buf, count, sendflags, sa, sa_size);
1571 if(ret==SOCKET_ERROR) {
1572 *error = WSAGetLastError ();
1573 }
1574
1575 g_free(sa);
1576
1577 return(ret);
1578 }
1579
1580 static SOCKET Socket_to_SOCKET(MonoObject *sockobj)
1581 {
1582 SOCKET sock;
1583 MonoClassField *field;
1584
1585 field=mono_class_get_field_from_name(sockobj->vtable->klass, "socket");
1586 sock=GPOINTER_TO_INT (*(gpointer *)(((char *)sockobj)+field->offset));
1587
1588 return(sock);
1589 }
1590
1591 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1592 void ves_icall_System_Net_Sockets_Socket_Select_internal(MonoArray **sockets, gint32 timeout, gint32 *error)
1593 {
1594 MonoThread *thread = NULL;
1595 MonoObject *obj;
1596 mono_pollfd *pfds;
1597 int nfds, idx;
1598 int ret;
1599 int i, count;
1600 int mode;
1601 MonoClass *sock_arr_class;
1602 MonoArray *socks;
1603 time_t start;
1604 mono_array_size_t socks_size;
1605
1606 MONO_ARCH_SAVE_REGS;
1607
1608 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1609 count = mono_array_length (*sockets);
1610 nfds = count - 3; /* NULL separators */
1611 pfds = g_new0 (mono_pollfd, nfds);
1612 mode = idx = 0;
1613 for (i = 0; i < count; i++) {
1614 obj = mono_array_get (*sockets, MonoObject *, i);
1615 if (obj == NULL) {
1616 mode++;
1617 continue;
1618 }
1619
1620 if (idx >= nfds) {
1621 /* The socket array was bogus */
1622 g_free (pfds);
1623 *error = WSAEFAULT;
1624 return;
1625 }
1626
1627 pfds [idx].fd = Socket_to_SOCKET (obj);
1628 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1629 idx++;
1630 }
1631
1632 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1633 start = time (NULL);
1634 do {
1635 *error = 0;
1636 ret = mono_poll (pfds, nfds, timeout);
1637 if (timeout > 0 && ret < 0) {
1638 int err = errno;
1639 int sec = time (NULL) - start;
1640
1641 timeout -= sec * 1000;
1642 if (timeout < 0)
1643 timeout = 0;
1644 errno = err;
1645 }
1646
1647 if (ret == -1 && errno == EINTR) {
1648 int leave = 0;
1649 if (thread == NULL)
1650 thread = mono_thread_current ();
1651
1652 leave = mono_thread_test_state (thread, ThreadState_AbortRequested | ThreadState_StopRequested);
1653
1654 if (leave != 0) {
1655 g_free (pfds);
1656 *sockets = NULL;
1657 return;
1658 } else {
1659 /* Suspend requested? */
1660 mono_thread_interruption_checkpoint ();
1661 }
1662 errno = EINTR;
1663 }
1664 } while (ret == -1 && errno == EINTR);
1665
1666 if (ret == -1) {
1667 #ifdef PLATFORM_WIN32
1668 *error = WSAGetLastError ();
1669 #else
1670 *error = errno_to_WSA (errno, __func__);
1671 #endif
1672 g_free (pfds);
1673 return;
1674 }
1675
1676 if (ret == 0) {
1677 g_free (pfds);
1678 *sockets = NULL;
1679 return;
1680 }
1681
1682 sock_arr_class= ((MonoObject *)*sockets)->vtable->klass;
1683 socks_size = ((mono_array_size_t)ret) + 3; /* space for the NULL delimiters */
1684 socks = mono_array_new_full (mono_domain_get (), sock_arr_class, &socks_size, NULL);
1685
1686 mode = idx = 0;
1687 for (i = 0; i < count && ret > 0; i++) {
1688 mono_pollfd *pfd;
1689
1690 obj = mono_array_get (*sockets, MonoObject *, i);
1691 if (obj == NULL) {
1692 mode++;
1693 idx++;
1694 continue;
1695 }
1696
1697 pfd = &pfds [i - mode];
1698 if (pfd->revents == 0)
1699 continue;
1700
1701 ret--;
1702 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1703 mono_array_setref (socks, idx++, obj);
1704 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1705 mono_array_setref (socks, idx++, obj);
1706 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1707 mono_array_setref (socks, idx++, obj);
1708 }
1709 }
1710
1711 *sockets = socks;
1712 g_free (pfds);
1713 }
1714
1715 static MonoObject* int_to_object (MonoDomain *domain, int val)
1716 {
1717 return mono_value_box (domain, mono_get_int32_class (), &val);
1718 }
1719
1720
1721 void ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal(SOCKET sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *error)
1722 {
1723 int system_level;
1724 int system_name;
1725 int ret;
1726 int val;
1727 socklen_t valsize=sizeof(val);
1728 struct linger linger;
1729 socklen_t lingersize=sizeof(linger);
1730 int time_ms = 0;
1731 socklen_t time_ms_size = sizeof (time_ms);
1732 #ifdef SO_PEERCRED
1733 struct ucred cred;
1734 socklen_t credsize = sizeof(cred);
1735 #endif
1736 MonoDomain *domain=mono_domain_get();
1737 MonoObject *obj;
1738 MonoClass *obj_class;
1739 MonoClassField *field;
1740
1741 MONO_ARCH_SAVE_REGS;
1742
1743 *error = 0;
1744
1745 ret=convert_sockopt_level_and_name(level, name, &system_level,
1746 &system_name);
1747 if(ret==-1) {
1748 *error = WSAENOPROTOOPT;
1749 return;
1750 }
1751 if (ret == -2) {
1752 *obj_val = int_to_object (domain, 0);
1753 return;
1754 }
1755
1756 /* No need to deal with MulticastOption names here, because
1757 * you cant getsockopt AddMembership or DropMembership (the
1758 * int getsockopt will error, causing an exception)
1759 */
1760 switch(name) {
1761 case SocketOptionName_Linger:
1762 case SocketOptionName_DontLinger:
1763 ret = _wapi_getsockopt(sock, system_level, system_name, &linger,
1764 &lingersize);
1765 break;
1766
1767 case SocketOptionName_SendTimeout:
1768 case SocketOptionName_ReceiveTimeout:
1769 ret = _wapi_getsockopt (sock, system_level, system_name, (char *) &time_ms, &time_ms_size);
1770 break;
1771
1772 #ifdef SO_PEERCRED
1773 case SocketOptionName_PeerCred:
1774 ret = _wapi_getsockopt (sock, system_level, system_name, &cred,
1775 &credsize);
1776 break;
1777 #endif
1778
1779 default:
1780 ret = _wapi_getsockopt (sock, system_level, system_name, &val,
1781 &valsize);
1782 }
1783
1784 if(ret==SOCKET_ERROR) {
1785 *error = WSAGetLastError ();
1786 return;
1787 }
1788
1789 switch(name) {
1790 case SocketOptionName_Linger:
1791 /* build a System.Net.Sockets.LingerOption */
1792 obj_class=mono_class_from_name(get_socket_assembly (),
1793 "System.Net.Sockets",
1794 "LingerOption");
1795 obj=mono_object_new(domain, obj_class);
1796
1797 /* Locate and set the fields "bool enabled" and "int
1798 * seconds"
1799 */
1800 field=mono_class_get_field_from_name(obj_class, "enabled");
1801 *(guint8 *)(((char *)obj)+field->offset)=linger.l_onoff;
1802
1803 field=mono_class_get_field_from_name(obj_class, "seconds");
1804 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1805
1806 break;
1807
1808 case SocketOptionName_DontLinger:
1809 /* construct a bool int in val - true if linger is off */
1810 obj = int_to_object (domain, !linger.l_onoff);
1811 break;
1812
1813 case SocketOptionName_SendTimeout:
1814 case SocketOptionName_ReceiveTimeout:
1815 obj = int_to_object (domain, time_ms);
1816 break;
1817
1818 #ifdef SO_PEERCRED
1819 case SocketOptionName_PeerCred:
1820 {
1821 /* build a Mono.Posix.PeerCred+PeerCredData if
1822 * possible
1823 */
1824 static MonoImage *mono_posix_image = NULL;
1825 MonoPeerCredData *cred_data;
1826
1827 if (mono_posix_image == NULL) {
1828 mono_posix_image=mono_image_loaded ("Mono.Posix");
1829 if (!mono_posix_image) {
1830 MonoAssembly *sa = mono_assembly_open ("Mono.Posix.dll", NULL);
1831 if (!sa) {
1832 *error = WSAENOPROTOOPT;
1833 return;
1834 } else {
1835 mono_posix_image = mono_assembly_get_image (sa);
1836 }
1837 }
1838 }
1839
1840 obj_class = mono_class_from_name(mono_posix_image,
1841 "Mono.Posix",
1842 "PeerCredData");
1843 obj = mono_object_new(domain, obj_class);
1844 cred_data = (MonoPeerCredData *)obj;
1845 cred_data->pid = cred.pid;
1846 cred_data->uid = cred.uid;
1847 cred_data->gid = cred.gid;
1848 break;
1849 }
1850 #endif
1851
1852 default:
1853 obj = int_to_object (domain, val);
1854 }
1855
1856 *obj_val=obj;
1857 }
1858
1859 void ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal(SOCKET sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *error)
1860 {
1861 int system_level;
1862 int system_name;
1863 int ret;
1864 guchar *buf;
1865 socklen_t valsize;
1866
1867 MONO_ARCH_SAVE_REGS;
1868
1869 *error = 0;
1870
1871 ret=convert_sockopt_level_and_name(level, name, &system_level,
1872 &system_name);
1873 if(ret==-1) {
1874 *error = WSAENOPROTOOPT;
1875 return;
1876 }
1877 if(ret==-2)
1878 return;
1879
1880 valsize=mono_array_length(*byte_val);
1881 buf=mono_array_addr(*byte_val, guchar, 0);
1882
1883 ret = _wapi_getsockopt (sock, system_level, system_name, buf, &valsize);
1884 if(ret==SOCKET_ERROR) {
1885 *error = WSAGetLastError ();
1886 }
1887 }
1888
1889 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
1890 static struct in_addr ipaddress_to_struct_in_addr(MonoObject *ipaddr)
1891 {
1892 struct in_addr inaddr;
1893 MonoClassField *field;
1894
1895 field=mono_class_get_field_from_name(ipaddr->vtable->klass, "m_Address");
1896
1897 /* No idea why .net uses a 64bit type to hold a 32bit value...
1898 *
1899 * Internal value of IPAddess is in little-endian order
1900 */
1901 inaddr.s_addr=GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr)+field->offset));
1902
1903 return(inaddr);
1904 }
1905 #endif
1906
1907 #ifdef AF_INET6
1908 static struct in6_addr ipaddress_to_struct_in6_addr(MonoObject *ipaddr)
1909 {
1910 struct in6_addr in6addr;
1911 MonoClassField *field;
1912 MonoArray *data;
1913 int i;
1914
1915 field=mono_class_get_field_from_name(ipaddr->vtable->klass, "m_Numbers");
1916 data=*(MonoArray **)(((char *)ipaddr) + field->offset);
1917
1918 /* Solaris has only the 8 bit version. */
1919 #ifndef s6_addr16
1920 for(i=0; i<8; i++) {
1921 guint16 s = mono_array_get (data, guint16, i);
1922 in6addr.s6_addr[2 * i] = (s >> 8) & 0xff;
1923 in6addr.s6_addr[2 * i + 1] = s & 0xff;
1924 }
1925 #else
1926 for(i=0; i<8; i++)
1927 in6addr.s6_addr16[i] = mono_array_get (data, guint16, i);
1928 #endif
1929 return(in6addr);
1930 }
1931 #endif /* AF_INET6 */
1932
1933 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)
1934 {
1935 int system_level;
1936 int system_name;
1937 int ret;
1938 #ifdef AF_INET6
1939 int sol_ip;
1940 int sol_ipv6;
1941
1942 *error = 0;
1943
1944 #ifdef HAVE_SOL_IPV6
1945 sol_ipv6 = SOL_IPV6;
1946 #else
1947 {
1948 struct protoent *pent;
1949 pent = getprotobyname ("ipv6");
1950 sol_ipv6 = (pent != NULL) ? pent->p_proto : 41;
1951 }
1952 #endif
1953
1954 #ifdef HAVE_SOL_IP
1955 sol_ip = SOL_IP;
1956 #else
1957 {
1958 struct protoent *pent;
1959 pent = getprotobyname ("ip");
1960 sol_ip = (pent != NULL) ? pent->p_proto : 0;
1961 }
1962 #endif
1963 #endif /* AF_INET6 */
1964
1965 MONO_ARCH_SAVE_REGS;
1966
1967 ret=convert_sockopt_level_and_name(level, name, &system_level,
1968 &system_name);
1969 if(ret==-1) {
1970 *error = WSAENOPROTOOPT;
1971 return;
1972 }
1973 if(ret==-2){
1974 return;
1975 }
1976
1977 /* Only one of obj_val, byte_val or int_val has data */
1978 if(obj_val!=NULL) {
1979 MonoClassField *field;
1980 struct linger linger;
1981 int valsize;
1982
1983 switch(name) {
1984 case SocketOptionName_DontLinger:
1985 linger.l_onoff=0;
1986 linger.l_linger=0;
1987 valsize=sizeof(linger);
1988 ret = _wapi_setsockopt (sock, system_level,
1989 system_name, &linger, valsize);
1990 break;
1991
1992 case SocketOptionName_Linger:
1993 /* Dig out "bool enabled" and "int seconds"
1994 * fields
1995 */
1996 field=mono_class_get_field_from_name(obj_val->vtable->klass, "enabled");
1997 linger.l_onoff=*(guint8 *)(((char *)obj_val)+field->offset);
1998 field=mono_class_get_field_from_name(obj_val->vtable->klass, "seconds");
1999 linger.l_linger=*(guint32 *)(((char *)obj_val)+field->offset);
2000
2001 valsize=sizeof(linger);
2002 ret = _wapi_setsockopt (sock, system_level,
2003 system_name, &linger, valsize);
2004 break;
2005 case SocketOptionName_AddMembership:
2006 case SocketOptionName_DropMembership:
2007 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2008 {
2009 MonoObject *address = NULL;
2010
2011 #ifdef AF_INET6
2012 if(system_level == sol_ipv6) {
2013 struct ipv6_mreq mreq6;
2014
2015 /*
2016 * Get group address
2017 */
2018 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2019 address = *(gpointer *)(((char *)obj_val) + field->offset);
2020
2021 if(address) {
2022 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2023 }
2024
2025 field=mono_class_get_field_from_name(obj_val->vtable->klass, "ifIndex");
2026 mreq6.ipv6mr_interface =*(guint64 *)(((char *)obj_val)+field->offset);
2027
2028 ret = _wapi_setsockopt (sock, system_level,
2029 system_name, &mreq6,
2030 sizeof (mreq6));
2031 } else if(system_level == sol_ip)
2032 #endif /* AF_INET6 */
2033 {
2034 #ifdef HAVE_STRUCT_IP_MREQN
2035 struct ip_mreqn mreq = {{0}};
2036 #else
2037 struct ip_mreq mreq = {{0}};
2038 #endif /* HAVE_STRUCT_IP_MREQN */
2039
2040 /* pain! MulticastOption holds two IPAddress
2041 * members, so I have to dig the value out of
2042 * those :-(
2043 */
2044 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2045 address = *(gpointer *)(((char *)obj_val) + field->offset);
2046
2047 /* address might not be defined and if so, set the address to ADDR_ANY.
2048 */
2049 if(address) {
2050 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2051 }
2052
2053 field = mono_class_get_field_from_name (obj_val->vtable->klass, "local");
2054 address = *(gpointer *)(((char *)obj_val) + field->offset);
2055
2056 #ifdef HAVE_STRUCT_IP_MREQN
2057 if(address) {
2058 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2059 }
2060 #else
2061 if(address) {
2062 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2063 }
2064 #endif /* HAVE_STRUCT_IP_MREQN */
2065
2066 ret = _wapi_setsockopt (sock, system_level,
2067 system_name, &mreq,
2068 sizeof (mreq));
2069 }
2070 break;
2071 }
2072 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2073 default:
2074 /* Cause an exception to be thrown */
2075 *error = WSAEINVAL;
2076 return;
2077 }
2078 } else if (byte_val!=NULL) {
2079 int valsize=mono_array_length(byte_val);
2080 guchar *buf=mono_array_addr(byte_val, guchar, 0);
2081
2082 ret = _wapi_setsockopt (sock, system_level, system_name, buf, valsize);
2083 if(ret==SOCKET_ERROR) {
2084 *error = WSAGetLastError ();
2085 return;
2086 }
2087 } else {
2088 /* ReceiveTimeout/SendTimeout get here */
2089 switch(name) {
2090 case SocketOptionName_DontFragment:
2091 #ifdef HAVE_IP_MTU_DISCOVER
2092 /* Fiddle with the value slightly if we're
2093 * turning DF on
2094 */
2095 if (int_val == 1) {
2096 int_val = IP_PMTUDISC_DO;
2097 }
2098 /* Fall through */
2099 #endif
2100
2101 default:
2102 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2103 }
2104 }
2105
2106 if(ret==SOCKET_ERROR) {
2107 *error = WSAGetLastError ();
2108 }
2109 }
2110
2111 void ves_icall_System_Net_Sockets_Socket_Shutdown_internal(SOCKET sock,
2112 gint32 how,
2113 gint32 *error)
2114 {
2115 int ret;
2116
2117 MONO_ARCH_SAVE_REGS;
2118
2119 *error = 0;
2120
2121 /* Currently, the values for how (recv=0, send=1, both=2) match
2122 * the BSD API
2123 */
2124 ret = _wapi_shutdown (sock, how);
2125 if(ret==SOCKET_ERROR) {
2126 *error = WSAGetLastError ();
2127 }
2128 }
2129
2130 gint
2131 ves_icall_System_Net_Sockets_Socket_WSAIoctl (SOCKET sock, gint32 code,
2132 MonoArray *input,
2133 MonoArray *output, gint32 *error)
2134 {
2135 glong output_bytes = 0;
2136 gchar *i_buffer, *o_buffer;
2137 gint i_len, o_len;
2138 gint ret;
2139
2140 MONO_ARCH_SAVE_REGS;
2141
2142 *error = 0;
2143
2144 if (code == FIONBIO) {
2145 /* Invalid command. Must use Socket.Blocking */
2146 return -1;
2147 }
2148
2149 if (input == NULL) {
2150 i_buffer = NULL;
2151 i_len = 0;
2152 } else {
2153 i_buffer = mono_array_addr (input, gchar, 0);
2154 i_len = mono_array_length (input);
2155 }
2156
2157 if (output == NULL) {
2158 o_buffer = NULL;
2159 o_len = 0;
2160 } else {
2161 o_buffer = mono_array_addr (output, gchar, 0);
2162 o_len = mono_array_length (output);
2163 }
2164
2165 ret = WSAIoctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes, NULL, NULL);
2166 if (ret == SOCKET_ERROR) {
2167 *error = WSAGetLastError ();
2168 return(-1);
2169 }
2170
2171 return (gint) output_bytes;
2172 }
2173
2174 #ifdef HAVE_SIOCGIFCONF
2175 static gboolean
2176 is_loopback (int family, void *ad)
2177 {
2178 char *ptr = (char *) ad;
2179
2180 if (family == AF_INET) {
2181 return (ptr [0] == 127);
2182 }
2183 #ifdef AF_INET6
2184 else {
2185 return (IN6_IS_ADDR_LOOPBACK ((struct in6_addr *) ptr));
2186 }
2187 #endif
2188 return FALSE;
2189 }
2190
2191 static void *
2192 get_local_ips (int family, int *nips)
2193 {
2194 int addr_size, offset, fd, i, count;
2195 int max_ifaces = 50; /* 50 interfaces should be enough... */
2196 struct ifconf ifc;
2197 struct ifreq *ifr;
2198 struct ifreq iflags;
2199 char *result, *tmp_ptr;
2200 gboolean ignore_loopback = FALSE;
2201
2202 *nips = 0;
2203 if (family == AF_INET) {
2204 addr_size = sizeof (struct in_addr);
2205 offset = G_STRUCT_OFFSET (struct sockaddr_in, sin_addr);
2206 #ifdef AF_INET6
2207 } else if (family == AF_INET6) {
2208 addr_size = sizeof (struct in6_addr);
2209 offset = G_STRUCT_OFFSET (struct sockaddr_in6, sin6_addr);
2210 #endif
2211 } else {
2212 return NULL;
2213 }
2214
2215 fd = socket (family, SOCK_STREAM, 0);
2216
2217 ifc.ifc_len = max_ifaces * sizeof (struct ifreq);
2218 ifc.ifc_buf = g_malloc (ifc.ifc_len);
2219 if (ioctl (fd, SIOCGIFCONF, &ifc) < 0) {
2220 close (fd);
2221 g_free (ifc.ifc_buf);
2222 return NULL;
2223 }
2224
2225 count = ifc.ifc_len / sizeof (struct ifreq);
2226 *nips = count;
2227 if (count == 0) {
2228 g_free (ifc.ifc_buf);
2229 close (fd);
2230 return NULL;
2231 }
2232
2233 for (i = 0, ifr = ifc.ifc_req; i < *nips; i++, ifr++) {
2234 strcpy (iflags.ifr_name, ifr->ifr_name);
2235 if (ioctl (fd, SIOCGIFFLAGS, &iflags) < 0) {
2236 continue;
2237 }
2238
2239 if ((iflags.ifr_flags & IFF_UP) == 0) {
2240 ifr->ifr_name [0] = '\0';
2241 continue;
2242 }
2243
2244 if ((iflags.ifr_flags & IFF_LOOPBACK) == 0) {
2245 ignore_loopback = TRUE;
2246 }
2247 }
2248
2249 close (fd);
2250 result = g_malloc (addr_size * count);
2251 tmp_ptr = result;
2252 for (i = 0, ifr = ifc.ifc_req; i < count; i++, ifr++) {
2253 if (ifr->ifr_name [0] == '\0') {
2254 (*nips)--;
2255 continue;
2256 }
2257
2258 if (ignore_loopback && is_loopback (family, ((char *) &ifr->ifr_addr) + offset)) {
2259 (*nips)--;
2260 continue;
2261 }
2262
2263 memcpy (tmp_ptr, ((char *) &ifr->ifr_addr) + offset, addr_size);
2264 tmp_ptr += addr_size;
2265 }
2266
2267 g_free (ifc.ifc_buf);
2268 return result;
2269 }
2270 #else
2271 static void *
2272 get_local_ips (int family, int *nips)
2273 {
2274 *nips = 0;
2275 return NULL;
2276 }
2277
2278 #endif /* HAVE_SIOCGIFCONF */
2279
2280 #ifndef AF_INET6
2281 static gboolean hostent_to_IPHostEntry(struct hostent *he, MonoString **h_name,
2282 MonoArray **h_aliases,
2283 MonoArray **h_addr_list,
2284 gboolean add_local_ips)
2285 {
2286 MonoDomain *domain = mono_domain_get ();
2287 int i;
2288 struct in_addr *local_in = NULL;
2289 int nlocal_in = 0;
2290
2291 if(he->h_length!=4 || he->h_addrtype!=AF_INET) {
2292 return(FALSE);
2293 }
2294
2295 *h_name=mono_string_new(domain, he->h_name);
2296
2297 i=0;
2298 while(he->h_aliases[i]!=NULL) {
2299 i++;
2300 }
2301
2302 *h_aliases=mono_array_new(domain, mono_get_string_class (), i);
2303 i=0;
2304 while(he->h_aliases[i]!=NULL) {
2305 MonoString *alias;
2306
2307 alias=mono_string_new(domain, he->h_aliases[i]);
2308 mono_array_setref (*h_aliases, i, alias);
2309 i++;
2310 }
2311
2312 if (add_local_ips) {
2313 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2314 if (nlocal_in) {
2315 *h_addr_list = mono_array_new(domain, mono_get_string_class (), nlocal_in);
2316 for (i = 0; i < nlocal_in; i++) {
2317 MonoString *addr_string;
2318 char addr [16], *ptr;
2319
2320 ptr = (char *) &local_in [i];
2321 g_snprintf(addr, 16, "%u.%u.%u.%u",
2322 (unsigned char) ptr [0],
2323 (unsigned char) ptr [1],
2324 (unsigned char) ptr [2],
2325 (unsigned char) ptr [3]);
2326
2327 addr_string = mono_string_new (domain, addr);
2328 mono_array_setref (*h_addr_list, i, addr_string);
2329 i++;
2330 }
2331
2332 g_free (local_in);
2333 }
2334 }
2335
2336 if (nlocal_in == 0) {
2337 i = 0;
2338 while (he->h_addr_list[i]!=NULL) {
2339 i++;
2340 }
2341
2342 *h_addr_list=mono_array_new(domain, mono_get_string_class (), i);
2343 i=0;
2344 while(he->h_addr_list[i]!=NULL) {
2345 MonoString *addr_string;
2346 char addr[16];
2347
2348 g_snprintf(addr, 16, "%u.%u.%u.%u",
2349 (unsigned char)he->h_addr_list[i][0],
2350 (unsigned char)he->h_addr_list[i][1],
2351 (unsigned char)he->h_addr_list[i][2],
2352 (unsigned char)he->h_addr_list[i][3]);
2353
2354 addr_string=mono_string_new(domain, addr);
2355 mono_array_setref (*h_addr_list, i, addr_string);
2356 i++;
2357 }
2358 }
2359
2360 return(TRUE);
2361 }
2362
2363 static gboolean ipaddr_to_IPHostEntry(const char *addr, MonoString **h_name,
2364 MonoArray **h_aliases,
2365 MonoArray **h_addr_list)
2366 {
2367 MonoDomain *domain = mono_domain_get ();
2368
2369 *h_name=mono_string_new(domain, addr);
2370 *h_aliases=mono_array_new(domain, mono_get_string_class (), 0);
2371 *h_addr_list=mono_array_new(domain, mono_get_string_class (), 1);
2372 mono_array_setref (*h_addr_list, 0, *h_name);
2373
2374 return(TRUE);
2375 }
2376 #endif
2377
2378 #if defined(AF_INET6) && defined(HAVE_GETHOSTBYNAME2_R)
2379 static gboolean hostent_to_IPHostEntry2(struct hostent *he1,struct hostent *he2, MonoString **h_name,
2380 MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips)
2381 {
2382 MonoDomain *domain = mono_domain_get ();
2383 int i, host_count, host_index, family_hint;
2384 struct in_addr *local_in = NULL;
2385 int nlocal_in = 0;
2386 struct in6_addr *local_in6 = NULL;
2387 int nlocal_in6 = 0;
2388 gboolean from_local = FALSE;
2389
2390 family_hint = get_family_hint ();
2391
2392 if(he1 == NULL && he2 == NULL) {
2393 return(FALSE);
2394 }
2395
2396 /*
2397 * Check if address length and family are correct
2398 */
2399 if (he1 != NULL && (he1->h_length!=4 || he1->h_addrtype!=AF_INET)) {
2400 return(FALSE);
2401 }
2402
2403 if (he2 != NULL && (he2->h_length!=16 || he2->h_addrtype!=AF_INET6)) {
2404 return(FALSE);
2405 }
2406
2407 /*
2408 * Get the aliases and host name from he1 or he2 whichever is
2409 * not null, if he1 is not null then take aliases from he1
2410 */
2411 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2412 family_hint == PF_INET)) {
2413 *h_name=mono_string_new (domain, he1->h_name);
2414
2415 i=0;
2416 while(he1->h_aliases[i]!=NULL) {
2417 i++;
2418 }
2419
2420 *h_aliases=mono_array_new (domain, mono_get_string_class (),
2421 i);
2422 i=0;
2423 while(he1->h_aliases[i]!=NULL) {
2424 MonoString *alias;
2425
2426 alias=mono_string_new (domain, he1->h_aliases[i]);
2427 mono_array_setref (*h_aliases, i, alias);
2428 i++;
2429 }
2430 } else if (he2 != NULL && (family_hint == PF_UNSPEC ||
2431 family_hint == PF_INET6)) {
2432 *h_name=mono_string_new (domain, he2->h_name);
2433
2434 i=0;
2435 while(he2->h_aliases [i] != NULL) {
2436 i++;
2437 }
2438
2439 *h_aliases=mono_array_new (domain, mono_get_string_class (),
2440 i);
2441 i=0;
2442 while(he2->h_aliases[i]!=NULL) {
2443 MonoString *alias;
2444
2445 alias=mono_string_new (domain, he2->h_aliases[i]);
2446 mono_array_setref (*h_aliases, i, alias);
2447 i++;
2448 }
2449 } else {
2450 return(FALSE);
2451 }
2452
2453 /*
2454 * Count the number of addresses in he1 + he2
2455 */
2456 host_count = 0;
2457 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2458 family_hint == PF_INET)) {
2459 i=0;
2460 while(he1->h_addr_list[i]!=NULL) {
2461 i++;
2462 host_count++;
2463 }
2464 }
2465
2466 if (he2 != NULL && (family_hint == PF_UNSPEC ||
2467 family_hint == PF_INET6)) {
2468 i=0;
2469 while(he2->h_addr_list[i]!=NULL) {
2470 i++;
2471 host_count++;
2472 }
2473 }
2474
2475 /*
2476 * Fills the array
2477 */
2478 host_index = 0;
2479 if (add_local_ips) {
2480 if (family_hint == PF_UNSPEC || family_hint == PF_INET)
2481 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2482
2483 if (family_hint == PF_UNSPEC || family_hint == PF_INET6)
2484 local_in6 = (struct in6_addr *) get_local_ips (AF_INET6, &nlocal_in6);
2485
2486 if (nlocal_in || nlocal_in6) {
2487 from_local = TRUE;
2488 *h_addr_list = mono_array_new (domain, mono_get_string_class (),
2489 nlocal_in + nlocal_in6);
2490
2491 if (nlocal_in6) {
2492 int n;
2493 for (n = 0; n < nlocal_in6; n++) {
2494 MonoString *addr_string;
2495 const char *ret;
2496 char addr[48]; /* INET6_ADDRSTRLEN == 46, but IPv6 addresses can be 48 bytes with the trailing NULL */
2497
2498 ret = inet_ntop (AF_INET6, &local_in6 [n], addr, sizeof(addr));
2499
2500 if (ret != NULL) {
2501 addr_string = mono_string_new (domain, addr);
2502 mono_array_setref (*h_addr_list, host_index, addr_string);
2503 host_index++;
2504 }
2505 }
2506 }
2507
2508 if (nlocal_in) {
2509 int n;
2510 for (n = 0; n < nlocal_in; n++) {
2511 MonoString *addr_string;
2512 const char *ret;
2513 char addr[16]; /* INET_ADDRSTRLEN == 16 */
2514
2515 ret = inet_ntop (AF_INET, &local_in [n], addr, sizeof(addr));
2516
2517 if (ret != NULL) {
2518 addr_string = mono_string_new (domain, addr);
2519 mono_array_setref (*h_addr_list, host_index, addr_string);
2520 host_index++;
2521 }
2522 }
2523 }
2524 g_free (local_in);
2525 g_free (local_in6);
2526 return TRUE;
2527 }
2528
2529 g_free (local_in);
2530 g_free (local_in6);
2531 }
2532
2533 *h_addr_list=mono_array_new (domain, mono_get_string_class (), host_count);
2534
2535 if (he2 != NULL && (family_hint == PF_UNSPEC ||
2536 family_hint == PF_INET6)) {
2537 i = 0;
2538 while(he2->h_addr_list[i] != NULL) {
2539 MonoString *addr_string;
2540 const char *ret;
2541 char addr[48]; /* INET6_ADDRSTRLEN == 46, but IPv6 addresses can be 48 bytes long with the trailing NULL */
2542
2543 ret = inet_ntop (AF_INET6, he2->h_addr_list[i], addr,
2544 sizeof(addr));
2545
2546 if (ret != NULL) {
2547 addr_string = mono_string_new (domain, addr);
2548 mono_array_setref (*h_addr_list, host_index, addr_string);
2549 i++;
2550 host_index++;
2551 }
2552 }
2553 }
2554
2555 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2556 family_hint == PF_INET)) {
2557 i=0;
2558 while(he1->h_addr_list[i] != NULL) {
2559 MonoString *addr_string;
2560 const char *ret;
2561 char addr[16]; /* INET_ADDRSTRLEN == 16 */
2562
2563 ret = inet_ntop (AF_INET, he1->h_addr_list[i], addr,
2564 sizeof(addr));
2565
2566 if (ret != NULL) {
2567 addr_string=mono_string_new (domain, addr);
2568 mono_array_setref (*h_addr_list, host_index, addr_string);
2569 i++;
2570 host_index++;
2571 }
2572 }
2573 }
2574
2575 return(TRUE);
2576 }
2577 #endif
2578
2579 #if defined(AF_INET6)
2580 static gboolean
2581 addrinfo_to_IPHostEntry(struct addrinfo *info, MonoString **h_name,
2582 MonoArray **h_aliases,
2583 MonoArray **h_addr_list,
2584 gboolean add_local_ips)
2585 {
2586 gint32 count, i;
2587 struct addrinfo *ai = NULL;
2588 struct in_addr *local_in = NULL;
2589 int nlocal_in = 0;
2590 struct in6_addr *local_in6 = NULL;
2591 int nlocal_in6 = 0;
2592 int addr_index;
2593
2594 MonoDomain *domain = mono_domain_get ();
2595
2596 addr_index = 0;
2597 *h_aliases=mono_array_new(domain, mono_get_string_class (), 0);
2598 if (add_local_ips) {
2599 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2600 local_in6 = (struct in6_addr *) get_local_ips (AF_INET6, &nlocal_in6);
2601 if (nlocal_in || nlocal_in6) {
2602 *h_addr_list=mono_array_new(domain, mono_get_string_class (), nlocal_in + nlocal_in6);
2603 if (nlocal_in) {
2604 MonoString *addr_string;
2605 char addr [16];
2606 int i;
2607
2608 for (i = 0; i < nlocal_in; i++) {
2609 inet_ntop (AF_INET, &local_in [i], addr, sizeof (addr));
2610 addr_string = mono_string_new (domain, addr);
2611 mono_array_setref (*h_addr_list, addr_index, addr_string);
2612 addr_index++;
2613 }
2614 }
2615
2616 if (nlocal_in6) {
2617 MonoString *addr_string;
2618 const char *ret;
2619 char addr [48];
2620 int i;
2621
2622 for (i = 0; i < nlocal_in6; i++) {
2623 ret = inet_ntop (AF_INET6, &local_in6 [i], addr, sizeof (addr));
2624 if (ret != NULL) {
2625 addr_string = mono_string_new (domain, addr);
2626 mono_array_setref (*h_addr_list, addr_index, addr_string);
2627 addr_index++;
2628 }
2629 }
2630 }
2631
2632 g_free (local_in);
2633 g_free (local_in6);
2634 if (info) {
2635 freeaddrinfo (info);
2636 }
2637 return TRUE;
2638 }
2639
2640 g_free (local_in);
2641 g_free (local_in6);
2642 }
2643
2644 for (count=0, ai=info; ai!=NULL; ai=ai->ai_next) {
2645 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
2646 continue;
2647
2648 count++;
2649 }
2650
2651 *h_addr_list=mono_array_new(domain, mono_get_string_class (), count);
2652
2653 for (ai=info, i=0; ai!=NULL; ai=ai->ai_next) {
2654 MonoString *addr_string;
2655 const char *ret;
2656 char buffer [48]; /* Max. size for IPv6 */
2657
2658 if((ai->ai_family != PF_INET) && (ai->ai_family != PF_INET6)) {
2659 continue;
2660 }
2661
2662 if(ai->ai_family == PF_INET) {
2663 ret = inet_ntop(ai->ai_family, (void*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr), buffer, 16);
2664 } else {
2665 ret = inet_ntop(ai->ai_family, (void*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr), buffer, 48);
2666 }
2667
2668 if(ret) {
2669 addr_string=mono_string_new(domain, buffer);
2670 } else {
2671 addr_string=mono_string_new(domain, "");
2672 }
2673
2674 mono_array_setref (*h_addr_list, addr_index, addr_string);
2675
2676 if(!i && ai->ai_canonname != NULL) {
2677 *h_name=mono_string_new(domain, ai->ai_canonname);
2678 }
2679
2680 addr_index++;
2681 }
2682
2683 if(info) {
2684 freeaddrinfo(info);
2685 }
2686
2687 return(TRUE);
2688 }
2689 #endif
2690
2691 #ifdef AF_INET6
2692 MonoBoolean ves_icall_System_Net_Dns_GetHostByName_internal(MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2693 {
2694 gboolean add_local_ips = FALSE;
2695 #ifdef HAVE_SIOCGIFCONF
2696 gchar this_hostname [256];
2697 #endif
2698 #if !defined(HAVE_GETHOSTBYNAME2_R)
2699 struct addrinfo *info = NULL, hints;
2700 char *hostname;
2701
2702 MONO_ARCH_SAVE_REGS;
2703
2704 hostname=mono_string_to_utf8 (host);
2705 #ifdef HAVE_SIOCGIFCONF
2706 if (gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2707 if (!strcmp (hostname, this_hostname))
2708 add_local_ips = TRUE;
2709 }
2710 #endif
2711
2712 memset(&hints, 0, sizeof(hints));
2713 hints.ai_family = get_family_hint ();
2714 hints.ai_socktype = SOCK_STREAM;
2715 hints.ai_flags = AI_CANONNAME;
2716
2717 if (getaddrinfo(hostname, NULL, &hints, &info) == -1) {
2718 return(FALSE);
2719 }
2720
2721 g_free(hostname);
2722
2723 return(addrinfo_to_IPHostEntry(info, h_name, h_aliases, h_addr_list, add_local_ips));
2724 #else
2725 struct hostent he1,*hp1, he2, *hp2;
2726 int buffer_size1, buffer_size2;
2727 char *buffer1, *buffer2;
2728 int herr;
2729 gboolean return_value;
2730 char *hostname;
2731
2732 MONO_ARCH_SAVE_REGS;
2733
2734 hostname=mono_string_to_utf8 (host);
2735
2736 #ifdef HAVE_SIOCGIFCONF
2737 if (gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2738 if (!strcmp (hostname, this_hostname))
2739 add_local_ips = TRUE;
2740 }
2741 #endif
2742
2743 buffer_size1 = 512;
2744 buffer_size2 = 512;
2745 buffer1 = g_malloc0(buffer_size1);
2746 buffer2 = g_malloc0(buffer_size2);
2747
2748 while (gethostbyname2_r(hostname, AF_INET, &he1, buffer1, buffer_size1,
2749 &hp1, &herr) == ERANGE) {
2750 buffer_size1 *= 2;
2751 buffer1 = g_realloc(buffer1, buffer_size1);
2752 }
2753
2754 if (hp1 == NULL)
2755 {
2756 while (gethostbyname2_r(hostname, AF_INET6, &he2, buffer2,
2757 buffer_size2, &hp2, &herr) == ERANGE) {
2758 buffer_size2 *= 2;
2759 buffer2 = g_realloc(buffer2, buffer_size2);
2760 }
2761 }
2762 else
2763 hp2 = NULL;
2764
2765 return_value = hostent_to_IPHostEntry2(hp1, hp2, h_name, h_aliases,
2766 h_addr_list, add_local_ips);
2767
2768 g_free(buffer1);
2769 g_free(buffer2);
2770 g_free(hostname);
2771
2772 return(return_value);
2773 #endif /* HAVE_GETHOSTBYNAME2_R */
2774 }
2775 #else /* AF_INET6 */
2776 MonoBoolean ves_icall_System_Net_Dns_GetHostByName_internal(MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2777 {
2778 struct hostent *he;
2779 char *hostname;
2780 gboolean add_local_ips = FALSE;
2781 #ifdef HAVE_SIOCGIFCONF
2782 gchar this_hostname [256];
2783 #endif
2784
2785 MONO_ARCH_SAVE_REGS;
2786
2787 hostname=mono_string_to_utf8(host);
2788 #ifdef HAVE_SIOCGIFCONF
2789 if (gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2790 if (!strcmp (hostname, this_hostname))
2791 add_local_ips = TRUE;
2792 }
2793 #endif
2794
2795 he = _wapi_gethostbyname (hostname);
2796 g_free(hostname);
2797
2798 if(he==NULL) {
2799 return(FALSE);
2800 }
2801
2802 return(hostent_to_IPHostEntry(he, h_name, h_aliases, h_addr_list, add_local_ips));
2803 }
2804 #endif /* AF_INET6 */
2805
2806 #ifndef HAVE_INET_PTON
2807 static int
2808 inet_pton (int family, const char *address, void *inaddrp)
2809 {
2810 if (family == AF_INET) {
2811 #ifdef HAVE_INET_ATON
2812 struct in_addr inaddr;
2813
2814 if (!inet_aton (address, &inaddr))
2815 return 0;
2816
2817 memcpy (inaddrp, &inaddr, sizeof (struct in_addr));
2818 return 1;
2819 #else
2820 /* assume the system has inet_addr(), if it doesn't
2821 have that we're pretty much screwed... */
2822 guint32 inaddr;
2823
2824 if (!strcmp (address, "255.255.255.255")) {
2825 /* special-case hack */
2826 inaddr = 0xffffffff;
2827 } else {
2828 inaddr = inet_addr (address);
2829 #ifndef INADDR_NONE
2830 #define INADDR_NONE ((in_addr_t) -1)
2831 #endif
2832 if (inaddr == INADDR_NONE)
2833 return 0;
2834 }
2835
2836 memcpy (inaddrp, &inaddr, sizeof (guint32));
2837 return 1;
2838 #endif /* HAVE_INET_ATON */
2839 }
2840
2841 return -1;
2842 }
2843 #endif /* !HAVE_INET_PTON */
2844
2845 extern MonoBoolean ves_icall_System_Net_Dns_GetHostByAddr_internal(MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2846 {
2847 char *address;
2848 gboolean v1;
2849
2850 #ifdef AF_INET6
2851 struct sockaddr_in saddr;
2852 struct sockaddr_in6 saddr6;
2853 struct addrinfo *info = NULL, hints;
2854 gint32 family;
2855 char hostname[1024] = {0};
2856 int flags = 0;
2857 #else
2858 struct in_addr inaddr;
2859 struct hostent *he;
2860 gboolean ret;
2861 #endif
2862
2863 v1 = mono_framework_version () == 1;
2864
2865 address = mono_string_to_utf8 (addr);
2866
2867 #ifdef AF_INET6
2868 if (inet_pton (AF_INET, address, &saddr.sin_addr ) <= 0) {
2869 /* Maybe an ipv6 address */
2870 if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) <= 0) {
2871 g_free (address);
2872 return FALSE;
2873 }
2874 else {
2875 family = AF_INET6;
2876 saddr6.sin6_family = AF_INET6;
2877 }
2878 }
2879 else {
2880 family = AF_INET;
2881 saddr.sin_family = AF_INET;
2882 }
2883 g_free(address);
2884
2885 if (v1) {
2886 flags = NI_NAMEREQD;
2887 }
2888
2889 if(family == AF_INET) {
2890 #if HAVE_SOCKADDR_IN_SIN_LEN
2891 saddr.sin_len = sizeof (saddr);
2892 #endif
2893 if(getnameinfo ((struct sockaddr*)&saddr, sizeof(saddr),
2894 hostname, sizeof(hostname), NULL, 0,
2895 flags) != 0) {
2896 return(FALSE);
2897 }
2898 } else if(family == AF_INET6) {
2899 #if HAVE_SOCKADDR_IN6_SIN_LEN
2900 saddr6.sin6_len = sizeof (saddr6);
2901 #endif
2902 if(getnameinfo ((struct sockaddr*)&saddr6, sizeof(saddr6),
2903 hostname, sizeof(hostname), NULL, 0,
2904 flags) != 0) {
2905 return(FALSE);
2906 }
2907 }
2908
2909 memset (&hints, 0, sizeof(hints));
2910 hints.ai_family = get_family_hint ();
2911 hints.ai_socktype = SOCK_STREAM;
2912 hints.ai_flags = AI_CANONNAME;
2913
2914 if( getaddrinfo (hostname, NULL, &hints, &info) == -1 ) {
2915 return(FALSE);
2916 }
2917
2918 return(addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE));
2919 #else
2920 if (inet_pton (AF_INET, address, &inaddr) <= 0) {
2921 g_free (address);
2922 return(FALSE);
2923 }
2924
2925 if ((he = gethostbyaddr ((char *) &inaddr, sizeof (inaddr), AF_INET)) == NULL) {
2926 if (v1) {
2927 ret = FALSE;
2928 } else {
2929 ret = ipaddr_to_IPHostEntry (address, h_name,
2930 h_aliases, h_addr_list);
2931 }
2932 } else {
2933 ret = hostent_to_IPHostEntry (he, h_name, h_aliases,
2934 h_addr_list, FALSE);
2935 }
2936
2937 g_free (address);
2938 return(ret);
2939 #endif
2940 }
2941
2942 extern MonoBoolean ves_icall_System_Net_Dns_GetHostName_internal(MonoString **h_name)
2943 {
2944 gchar hostname[256];
2945 int ret;
2946
2947 MONO_ARCH_SAVE_REGS;
2948
2949 ret = gethostname (hostname, sizeof (hostname));
2950 if(ret==-1) {
2951 return(FALSE);
2952 }
2953
2954 *h_name=mono_string_new(mono_domain_get (), hostname);
2955
2956 return(TRUE);
2957 }
2958
2959 void mono_network_init(void)
2960 {
2961 WSADATA wsadata;
2962 int err;
2963
2964 err=WSAStartup(MAKEWORD(2,0), &wsadata);
2965 if(err!=0) {
2966 g_error(G_GNUC_PRETTY_FUNCTION ": Couldn't initialise networking");
2967 exit(-1);
2968 }
2969
2970 #ifdef DEBUG
2971 g_message(G_GNUC_PRETTY_FUNCTION ": Using socket library: %s", wsadata.szDescription);
2972 g_message(G_GNUC_PRETTY_FUNCTION ": Socket system status: %s", wsadata.szSystemStatus);
2973 #endif
2974 }
2975
2976 void mono_network_cleanup(void)
2977 {
2978 WSACleanup();
2979 }
2980
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