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Make sure we don't corrupt the heap when serializing a unix domain socketaddr.
[mono-project.git] / mono / metadata / socket-io.c
blob200f79d379f604759e9865f2c9cc617599f23d78
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 #ifndef HOST_WIN32
30 #include <sys/socket.h>
31 #include <sys/ioctl.h>
32 #include <netinet/in.h>
33 #include <netinet/tcp.h>
34 #include <netdb.h>
35 #include <arpa/inet.h>
36 #endif
37
38 #include <mono/metadata/object.h>
39 #include <mono/io-layer/io-layer.h>
40 #include <mono/metadata/socket-io.h>
41 #include <mono/metadata/exception.h>
42 #include <mono/metadata/assembly.h>
43 #include <mono/metadata/appdomain.h>
44 #include <mono/metadata/file-io.h>
45 #include <mono/metadata/threads.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/utils/mono-poll.h>
48 /* FIXME change this code to not mess so much with the internals */
49 #include <mono/metadata/class-internals.h>
50 #include <mono/metadata/threadpool-internals.h>
51 #include <mono/metadata/domain-internals.h>
52
53 #ifdef HAVE_SYS_TIME_H
54 #include <sys/time.h>
55 #endif
56 #ifdef HAVE_SYS_IOCTL_H
57 #include <sys/ioctl.h>
58 #endif
59 #ifdef HAVE_NET_IF_H
60 #include <net/if.h>
61 #endif
62
63 #ifdef HAVE_NETDB_H
64 #include <netdb.h>
65 #endif
66 #ifdef HAVE_SYS_FILIO_H
67 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
68 #endif
69 #ifdef HAVE_SYS_SOCKIO_H
70 #include <sys/sockio.h> /* defines SIOCATMARK */
71 #endif
72 #ifdef HAVE_SYS_UN_H
73 #include <sys/un.h>
74 #endif
75
76 #include "mono/io-layer/socket-wrappers.h"
77
78 #if defined(HOST_WIN32)
79 /* This is a kludge to make this file build under cygwin:
80 * w32api/ws2tcpip.h has definitions for some AF_INET6 values and
81 * prototypes for some but not all required functions (notably
82 * inet_ntop() is missing), but the libws2_32 library is missing the
83 * actual implementations of these functions.
84 */
85 #undef AF_INET6
86 #endif
87
88 #define LOGDEBUG(...)
89 /* define LOGDEBUG(...) g_message(__VA_ARGS__) */
90
91 /*
92 * Some older versions of libc provide IPV6 support without defining the AI_ADDRCONFIG
93 * flag for getaddrinfo.
94 */
95 #ifndef AI_ADDRCONFIG
96 #define AI_ADDRCONFIG 0
97 #endif
98
99 static gint32 convert_family(MonoAddressFamily mono_family)
100 {
101 gint32 family=-1;
102
103 switch(mono_family) {
104 case AddressFamily_Unknown:
105 case AddressFamily_ImpLink:
106 case AddressFamily_Pup:
107 case AddressFamily_Chaos:
108 case AddressFamily_Iso:
109 case AddressFamily_Ecma:
110 case AddressFamily_DataKit:
111 case AddressFamily_Ccitt:
112 case AddressFamily_DataLink:
113 case AddressFamily_Lat:
114 case AddressFamily_HyperChannel:
115 case AddressFamily_NetBios:
116 case AddressFamily_VoiceView:
117 case AddressFamily_FireFox:
118 case AddressFamily_Banyan:
119 case AddressFamily_Atm:
120 case AddressFamily_Cluster:
121 case AddressFamily_Ieee12844:
122 case AddressFamily_NetworkDesigners:
123 g_warning("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
124 break;
125
126 case AddressFamily_Unspecified:
127 family=AF_UNSPEC;
128 break;
129
130 case AddressFamily_Unix:
131 family=AF_UNIX;
132 break;
133
134 case AddressFamily_InterNetwork:
135 family=AF_INET;
136 break;
137
138 case AddressFamily_Ipx:
139 #ifdef AF_IPX
140 family=AF_IPX;
141 #endif
142 break;
143
144 case AddressFamily_Sna:
145 #ifdef AF_SNA
146 family=AF_SNA;
147 #endif
148 break;
149
150 case AddressFamily_DecNet:
151 #ifdef AF_DECnet
152 family=AF_DECnet;
153 #endif
154 break;
155
156 case AddressFamily_AppleTalk:
157 family=AF_APPLETALK;
158 break;
159
160 case AddressFamily_InterNetworkV6:
161 #ifdef AF_INET6
162 family=AF_INET6;
163 #endif
164 break;
165 case AddressFamily_Irda:
166 #ifdef AF_IRDA
167 family=AF_IRDA;
168 #endif
169 break;
170 default:
171 g_warning("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
172 }
173
174 return(family);
175 }
176
177 static MonoAddressFamily convert_to_mono_family(guint16 af_family)
178 {
179 MonoAddressFamily family=AddressFamily_Unknown;
180
181 switch(af_family) {
182 case AF_UNSPEC:
183 family=AddressFamily_Unspecified;
184 break;
185
186 case AF_UNIX:
187 family=AddressFamily_Unix;
188 break;
189
190 case AF_INET:
191 family=AddressFamily_InterNetwork;
192 break;
193
194 #ifdef AF_IPX
195 case AF_IPX:
196 family=AddressFamily_Ipx;
197 break;
198 #endif
199
200 #ifdef AF_SNA
201 case AF_SNA:
202 family=AddressFamily_Sna;
203 break;
204 #endif
205
206 #ifdef AF_DECnet
207 case AF_DECnet:
208 family=AddressFamily_DecNet;
209 break;
210 #endif
211
212 case AF_APPLETALK:
213 family=AddressFamily_AppleTalk;
214 break;
215
216 #ifdef AF_INET6
217 case AF_INET6:
218 family=AddressFamily_InterNetworkV6;
219 break;
220 #endif
221
222 #ifdef AF_IRDA
223 case AF_IRDA:
224 family=AddressFamily_Irda;
225 break;
226 #endif
227 default:
228 g_warning("unknown address family 0x%x", af_family);
229 }
230
231 return(family);
232 }
233
234 static gint32 convert_type(MonoSocketType mono_type)
235 {
236 gint32 type=-1;
237
238 switch(mono_type) {
239 case SocketType_Stream:
240 type=SOCK_STREAM;
241 break;
242
243 case SocketType_Dgram:
244 type=SOCK_DGRAM;
245 break;
246
247 case SocketType_Raw:
248 type=SOCK_RAW;
249 break;
250
251 case SocketType_Rdm:
252 #ifdef SOCK_RDM
253 type=SOCK_RDM;
254 #endif
255 break;
256
257 case SocketType_Seqpacket:
258 type=SOCK_SEQPACKET;
259 break;
260
261 case SocketType_Unknown:
262 g_warning("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
263 break;
264
265 default:
266 g_warning("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
267 }
268
269 return(type);
270 }
271
272 static gint32 convert_proto(MonoProtocolType mono_proto)
273 {
274 gint32 proto=-1;
275
276 switch(mono_proto) {
277 case ProtocolType_IP:
278 case ProtocolType_IPv6:
279 case ProtocolType_Icmp:
280 case ProtocolType_Igmp:
281 case ProtocolType_Ggp:
282 case ProtocolType_Tcp:
283 case ProtocolType_Pup:
284 case ProtocolType_Udp:
285 case ProtocolType_Idp:
286 /* These protocols are known (on my system at least) */
287 proto=mono_proto;
288 break;
289
290 case ProtocolType_ND:
291 case ProtocolType_Raw:
292 case ProtocolType_Ipx:
293 case ProtocolType_Spx:
294 case ProtocolType_SpxII:
295 case ProtocolType_Unknown:
296 /* These protocols arent */
297 g_warning("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
298 break;
299
300 default:
301 break;
302 }
303
304 return(proto);
305 }
306
307 /* Convert MonoSocketFlags */
308 static gint32 convert_socketflags (gint32 sflags)
309 {
310 gint32 flags = 0;
311
312 if (!sflags)
313 /* SocketFlags.None */
314 return 0;
315
316 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
317 SocketFlags_DontRoute | SocketFlags_Partial))
318 /* Contains invalid flag values */
319 return -1;
320
321 if (sflags & SocketFlags_OutOfBand)
322 flags |= MSG_OOB;
323 if (sflags & SocketFlags_Peek)
324 flags |= MSG_PEEK;
325 if (sflags & SocketFlags_DontRoute)
326 flags |= MSG_DONTROUTE;
327
328 /* Ignore Partial - see bug 349688. Don't return -1, because
329 * according to the comment in that bug ms runtime doesn't for
330 * UDP sockets (this means we will silently ignore it for TCP
331 * too)
332 */
333 #ifdef MSG_MORE
334 if (sflags & SocketFlags_Partial)
335 flags |= MSG_MORE;
336 #endif
337 #if 0
338 /* Don't do anything for MaxIOVectorLength */
339 if (sflags & SocketFlags_MaxIOVectorLength)
340 return -1;
341 #endif
342 return flags;
343 }
344
345 /*
346 * Returns:
347 * 0 on success (mapped mono_level and mono_name to system_level and system_name
348 * -1 on error
349 * -2 on non-fatal error (ie, must ignore)
350 */
351 static gint32 convert_sockopt_level_and_name(MonoSocketOptionLevel mono_level,
352 MonoSocketOptionName mono_name,
353 int *system_level,
354 int *system_name)
355 {
356 switch (mono_level) {
357 case SocketOptionLevel_Socket:
358 *system_level = SOL_SOCKET;
359
360 switch(mono_name) {
361 case SocketOptionName_DontLinger:
362 /* This is SO_LINGER, because the setsockopt
363 * internal call maps DontLinger to SO_LINGER
364 * with l_onoff=0
365 */
366 *system_name = SO_LINGER;
367 break;
368 case SocketOptionName_Debug:
369 *system_name = SO_DEBUG;
370 break;
371 #ifdef SO_ACCEPTCONN
372 case SocketOptionName_AcceptConnection:
373 *system_name = SO_ACCEPTCONN;
374 break;
375 #endif
376 case SocketOptionName_ReuseAddress:
377 *system_name = SO_REUSEADDR;
378 break;
379 case SocketOptionName_KeepAlive:
380 *system_name = SO_KEEPALIVE;
381 break;
382 case SocketOptionName_DontRoute:
383 *system_name = SO_DONTROUTE;
384 break;
385 case SocketOptionName_Broadcast:
386 *system_name = SO_BROADCAST;
387 break;
388 case SocketOptionName_Linger:
389 *system_name = SO_LINGER;
390 break;
391 case SocketOptionName_OutOfBandInline:
392 *system_name = SO_OOBINLINE;
393 break;
394 case SocketOptionName_SendBuffer:
395 *system_name = SO_SNDBUF;
396 break;
397 case SocketOptionName_ReceiveBuffer:
398 *system_name = SO_RCVBUF;
399 break;
400 case SocketOptionName_SendLowWater:
401 *system_name = SO_SNDLOWAT;
402 break;
403 case SocketOptionName_ReceiveLowWater:
404 *system_name = SO_RCVLOWAT;
405 break;
406 case SocketOptionName_SendTimeout:
407 *system_name = SO_SNDTIMEO;
408 break;
409 case SocketOptionName_ReceiveTimeout:
410 *system_name = SO_RCVTIMEO;
411 break;
412 case SocketOptionName_Error:
413 *system_name = SO_ERROR;
414 break;
415 case SocketOptionName_Type:
416 *system_name = SO_TYPE;
417 break;
418 #ifdef SO_PEERCRED
419 case SocketOptionName_PeerCred:
420 *system_name = SO_PEERCRED;
421 break;
422 #endif
423 case SocketOptionName_ExclusiveAddressUse:
424 #ifdef SO_EXCLUSIVEADDRUSE
425 *system_name = SO_EXCLUSIVEADDRUSE;
426 break;
427 #endif
428 case SocketOptionName_UseLoopback:
429 #ifdef SO_USELOOPBACK
430 *system_name = SO_USELOOPBACK;
431 break;
432 #endif
433 case SocketOptionName_MaxConnections:
434 #ifdef SO_MAXCONN
435 *system_name = SO_MAXCONN;
436 break;
437 #elif defined(SOMAXCONN)
438 *system_name = SOMAXCONN;
439 break;
440 #endif
441 default:
442 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
443 return(-1);
444 }
445 break;
446
447 case SocketOptionLevel_IP:
448 #ifdef HAVE_SOL_IP
449 *system_level = SOL_IP;
450 #else
451 if (1) {
452 static int cached = 0;
453 static int proto;
454
455 if (!cached) {
456 struct protoent *pent;
457
458 pent = getprotobyname ("IP");
459 proto = pent ? pent->p_proto : 0 /* 0 a good default value?? */;
460 cached = 1;
461 }
462
463 *system_level = proto;
464 }
465 #endif /* HAVE_SOL_IP */
466
467 switch(mono_name) {
468 case SocketOptionName_IPOptions:
469 *system_name = IP_OPTIONS;
470 break;
471 #ifdef IP_HDRINCL
472 case SocketOptionName_HeaderIncluded:
473 *system_name = IP_HDRINCL;
474 break;
475 #endif
476 #ifdef IP_TOS
477 case SocketOptionName_TypeOfService:
478 *system_name = IP_TOS;
479 break;
480 #endif
481 #ifdef IP_TTL
482 case SocketOptionName_IpTimeToLive:
483 *system_name = IP_TTL;
484 break;
485 #endif
486 case SocketOptionName_MulticastInterface:
487 *system_name = IP_MULTICAST_IF;
488 break;
489 case SocketOptionName_MulticastTimeToLive:
490 *system_name = IP_MULTICAST_TTL;
491 break;
492 case SocketOptionName_MulticastLoopback:
493 *system_name = IP_MULTICAST_LOOP;
494 break;
495 case SocketOptionName_AddMembership:
496 *system_name = IP_ADD_MEMBERSHIP;
497 break;
498 case SocketOptionName_DropMembership:
499 *system_name = IP_DROP_MEMBERSHIP;
500 break;
501 #ifdef HAVE_IP_PKTINFO
502 case SocketOptionName_PacketInformation:
503 *system_name = IP_PKTINFO;
504 break;
505 #endif /* HAVE_IP_PKTINFO */
506
507 case SocketOptionName_DontFragment:
508 #ifdef HAVE_IP_DONTFRAGMENT
509 *system_name = IP_DONTFRAGMENT;
510 break;
511 #elif defined HAVE_IP_MTU_DISCOVER
512 /* Not quite the same */
513 *system_name = IP_MTU_DISCOVER;
514 break;
515 #else
516 /* If the flag is not available on this system, we can ignore this error */
517 return (-2);
518 #endif /* HAVE_IP_DONTFRAGMENT */
519 case SocketOptionName_AddSourceMembership:
520 case SocketOptionName_DropSourceMembership:
521 case SocketOptionName_BlockSource:
522 case SocketOptionName_UnblockSource:
523 /* Can't figure out how to map these, so fall
524 * through
525 */
526 default:
527 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
528 return(-1);
529 }
530 break;
531
532 #ifdef AF_INET6
533 case SocketOptionLevel_IPv6:
534 #ifdef HAVE_SOL_IPV6
535 *system_level = SOL_IPV6;
536 #else
537 if (1) {
538 static int cached = 0;
539 static int proto;
540
541 if (!cached) {
542 struct protoent *pent;
543
544 pent = getprotobyname ("IPV6");
545 proto = pent ? pent->p_proto : 41 /* 41 a good default value?? */;
546 cached = 1;
547 }
548
549 *system_level = proto;
550 }
551 #endif /* HAVE_SOL_IPV6 */
552
553 switch(mono_name) {
554 case SocketOptionName_IpTimeToLive:
555 case SocketOptionName_HopLimit:
556 *system_name = IPV6_UNICAST_HOPS;
557 break;
558 case SocketOptionName_MulticastInterface:
559 *system_name = IPV6_MULTICAST_IF;
560 break;
561 case SocketOptionName_MulticastTimeToLive:
562 *system_name = IPV6_MULTICAST_HOPS;
563 break;
564 case SocketOptionName_MulticastLoopback:
565 *system_name = IPV6_MULTICAST_LOOP;
566 break;
567 case SocketOptionName_AddMembership:
568 *system_name = IPV6_JOIN_GROUP;
569 break;
570 case SocketOptionName_DropMembership:
571 *system_name = IPV6_LEAVE_GROUP;
572 break;
573 case SocketOptionName_PacketInformation:
574 #ifdef HAVE_IPV6_PKTINFO
575 *system_name = IPV6_PKTINFO;
576 #endif
577 break;
578 case SocketOptionName_HeaderIncluded:
579 case SocketOptionName_IPOptions:
580 case SocketOptionName_TypeOfService:
581 case SocketOptionName_DontFragment:
582 case SocketOptionName_AddSourceMembership:
583 case SocketOptionName_DropSourceMembership:
584 case SocketOptionName_BlockSource:
585 case SocketOptionName_UnblockSource:
586 /* Can't figure out how to map these, so fall
587 * through
588 */
589 default:
590 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
591 return(-1);
592 }
593
594 break; /* SocketOptionLevel_IPv6 */
595 #endif
596
597 case SocketOptionLevel_Tcp:
598 #ifdef HAVE_SOL_TCP
599 *system_level = SOL_TCP;
600 #else
601 if (1) {
602 static int cached = 0;
603 static int proto;
604
605 if (!cached) {
606 struct protoent *pent;
607
608 pent = getprotobyname ("TCP");
609 proto = pent ? pent->p_proto : 6 /* is 6 a good default value?? */;
610 cached = 1;
611 }
612
613 *system_level = proto;
614 }
615 #endif /* HAVE_SOL_TCP */
616
617 switch(mono_name) {
618 case SocketOptionName_NoDelay:
619 *system_name = TCP_NODELAY;
620 break;
621 #if 0
622 /* The documentation is talking complete
623 * bollocks here: rfc-1222 is titled
624 * 'Advancing the NSFNET Routing Architecture'
625 * and doesn't mention either of the words
626 * "expedite" or "urgent".
627 */
628 case SocketOptionName_BsdUrgent:
629 case SocketOptionName_Expedited:
630 #endif
631 default:
632 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
633 return(-1);
634 }
635 break;
636
637 case SocketOptionLevel_Udp:
638 g_warning("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
639
640 switch(mono_name) {
641 case SocketOptionName_NoChecksum:
642 case SocketOptionName_ChecksumCoverage:
643 default:
644 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
645 return(-1);
646 }
647 return(-1);
648 break;
649
650 default:
651 g_warning("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
652 return(-1);
653 }
654
655 return(0);
656 }
657
658 static MonoImage *get_socket_assembly (void)
659 {
660 static const char *version = NULL;
661 static gboolean moonlight;
662 MonoDomain *domain = mono_domain_get ();
663
664 if (version == NULL) {
665 version = mono_get_runtime_info ()->framework_version;
666 moonlight = !strcmp (version, "2.1");
667 }
668
669 if (domain->socket_assembly == NULL) {
670 MonoImage *socket_assembly;
671
672 if (moonlight) {
673 socket_assembly = mono_image_loaded ("System.Net");
674 if (!socket_assembly) {
675 MonoAssembly *sa = mono_assembly_open ("System.Net.dll", NULL);
676
677 if (!sa) {
678 g_assert_not_reached ();
679 } else {
680 socket_assembly = mono_assembly_get_image (sa);
681 }
682 }
683 } else {
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 }
695
696 domain->socket_assembly = socket_assembly;
697 }
698
699 return domain->socket_assembly;
700 }
701
702 #ifdef AF_INET6
703 static gint32 get_family_hint(void)
704 {
705 MonoDomain *domain = mono_domain_get ();
706
707 if (!domain->inet_family_hint) {
708 MonoClass *socket_class;
709 MonoClassField *ipv6_field, *ipv4_field;
710 gint32 ipv6_enabled = -1, ipv4_enabled = -1;
711 MonoVTable *vtable;
712
713 socket_class = mono_class_from_name (get_socket_assembly (), "System.Net.Sockets", "Socket");
714 ipv4_field = mono_class_get_field_from_name (socket_class, "ipv4Supported");
715 ipv6_field = mono_class_get_field_from_name (socket_class, "ipv6Supported");
716 vtable = mono_class_vtable (mono_domain_get (), socket_class);
717 g_assert (vtable);
718 mono_runtime_class_init (vtable);
719
720 mono_field_static_get_value (vtable, ipv4_field, &ipv4_enabled);
721 mono_field_static_get_value (vtable, ipv6_field, &ipv6_enabled);
722
723 mono_domain_lock (domain);
724 if (ipv4_enabled == 1 && ipv6_enabled == 1) {
725 domain->inet_family_hint = 1;
726 } else if (ipv4_enabled == 1) {
727 domain->inet_family_hint = 2;
728 } else {
729 domain->inet_family_hint = 3;
730 }
731 mono_domain_unlock (domain);
732 }
733 switch (domain->inet_family_hint) {
734 case 1: return PF_UNSPEC;
735 case 2: return PF_INET;
736 case 3: return PF_INET6;
737 default:
738 return PF_UNSPEC;
739 }
740 }
741 #endif
742
743 gpointer ves_icall_System_Net_Sockets_Socket_Socket_internal(MonoObject *this, gint32 family, gint32 type, gint32 proto, gint32 *error)
744 {
745 SOCKET sock;
746 gint32 sock_family;
747 gint32 sock_proto;
748 gint32 sock_type;
749
750 MONO_ARCH_SAVE_REGS;
751
752 *error = 0;
753
754 sock_family=convert_family(family);
755 if(sock_family==-1) {
756 *error = WSAEAFNOSUPPORT;
757 return(NULL);
758 }
759
760 sock_proto=convert_proto(proto);
761 if(sock_proto==-1) {
762 *error = WSAEPROTONOSUPPORT;
763 return(NULL);
764 }
765
766 sock_type=convert_type(type);
767 if(sock_type==-1) {
768 *error = WSAESOCKTNOSUPPORT;
769 return(NULL);
770 }
771
772 sock = _wapi_socket (sock_family, sock_type, sock_proto,
773 NULL, 0, WSA_FLAG_OVERLAPPED);
774
775 if(sock==INVALID_SOCKET) {
776 *error = WSAGetLastError ();
777 return(NULL);
778 }
779
780 if (sock_family == AF_INET && sock_type == SOCK_DGRAM) {
781 return (GUINT_TO_POINTER (sock));
782 }
783
784 #ifdef AF_INET6
785 if (sock_family == AF_INET6 && sock_type == SOCK_DGRAM) {
786 return (GUINT_TO_POINTER (sock));
787 }
788 #endif
789
790 return(GUINT_TO_POINTER (sock));
791 }
792
793 /* FIXME: the SOCKET parameter (here and in other functions in this
794 * file) is really an IntPtr which needs to be converted to a guint32.
795 */
796 void ves_icall_System_Net_Sockets_Socket_Close_internal(SOCKET sock,
797 gint32 *error)
798 {
799 MONO_ARCH_SAVE_REGS;
800
801 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
802
803 *error = 0;
804
805 /* Clear any pending work item from this socket if the underlying
806 * polling system does not notify when the socket is closed */
807 mono_thread_pool_remove_socket (GPOINTER_TO_INT (sock));
808 closesocket(sock);
809 }
810
811 gint32 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal(void)
812 {
813 MONO_ARCH_SAVE_REGS;
814
815 LOGDEBUG (g_message("%s: returning %d", __func__, WSAGetLastError()));
816
817 return(WSAGetLastError());
818 }
819
820 gint32 ves_icall_System_Net_Sockets_Socket_Available_internal(SOCKET sock,
821 gint32 *error)
822 {
823 int ret;
824 int amount;
825
826 MONO_ARCH_SAVE_REGS;
827
828 *error = 0;
829
830 ret=ioctlsocket(sock, FIONREAD, &amount);
831 if(ret==SOCKET_ERROR) {
832 *error = WSAGetLastError ();
833 return(0);
834 }
835
836 return(amount);
837 }
838
839 void ves_icall_System_Net_Sockets_Socket_Blocking_internal(SOCKET sock,
840 gboolean block,
841 gint32 *error)
842 {
843 int ret;
844
845 MONO_ARCH_SAVE_REGS;
846
847 *error = 0;
848
849 /*
850 * block == TRUE/FALSE means we will block/not block.
851 * But the ioctlsocket call takes TRUE/FALSE for non-block/block
852 */
853 block = !block;
854
855 ret = ioctlsocket (sock, FIONBIO, (gulong *) &block);
856 if(ret==SOCKET_ERROR) {
857 *error = WSAGetLastError ();
858 }
859 }
860
861 gpointer ves_icall_System_Net_Sockets_Socket_Accept_internal(SOCKET sock,
862 gint32 *error,
863 gboolean blocking)
864 {
865 SOCKET newsock;
866
867 MONO_ARCH_SAVE_REGS;
868
869 *error = 0;
870 #ifdef HOST_WIN32
871 {
872 MonoInternalThread* curthread = mono_thread_internal_current ();
873 curthread->interrupt_on_stop = (gpointer)TRUE;
874 newsock = _wapi_accept (sock, NULL, 0);
875 curthread->interrupt_on_stop = (gpointer)FALSE;
876 }
877 #else
878 newsock = _wapi_accept (sock, NULL, 0);
879 #endif
880 if(newsock==INVALID_SOCKET) {
881 *error = WSAGetLastError ();
882 return(NULL);
883 }
884
885 return(GUINT_TO_POINTER (newsock));
886 }
887
888 void ves_icall_System_Net_Sockets_Socket_Listen_internal(SOCKET sock,
889 guint32 backlog,
890 gint32 *error)
891 {
892 int ret;
893
894 MONO_ARCH_SAVE_REGS;
895
896 *error = 0;
897
898 ret = _wapi_listen (sock, backlog);
899 if(ret==SOCKET_ERROR) {
900 *error = WSAGetLastError ();
901 }
902 }
903
904 static MonoObject *create_object_from_sockaddr(struct sockaddr *saddr,
905 int sa_size, gint32 *error)
906 {
907 MonoDomain *domain = mono_domain_get ();
908 MonoObject *sockaddr_obj;
909 MonoArray *data;
910 MonoAddressFamily family;
911
912 /* Build a System.Net.SocketAddress object instance */
913 if (!domain->sockaddr_class) {
914 domain->sockaddr_class=mono_class_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
915 g_assert (domain->sockaddr_class);
916 }
917 sockaddr_obj=mono_object_new(domain, domain->sockaddr_class);
918
919 /* Locate the SocketAddress data buffer in the object */
920 if (!domain->sockaddr_data_field) {
921 domain->sockaddr_data_field=mono_class_get_field_from_name (domain->sockaddr_class, "data");
922 g_assert (domain->sockaddr_data_field);
923 }
924
925 /* May be the +2 here is too conservative, as sa_len returns
926 * the length of the entire sockaddr_in/in6, including
927 * sizeof (unsigned short) of the family */
928 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
929 data=mono_array_new_cached(domain, mono_get_byte_class (), sa_size+2);
930
931 /* The data buffer is laid out as follows:
932 * bytes 0 and 1 are the address family
933 * bytes 2 and 3 are the port info
934 * the rest is the address info
935 */
936
937 family=convert_to_mono_family(saddr->sa_family);
938 if(family==AddressFamily_Unknown) {
939 *error = WSAEAFNOSUPPORT;
940 return(NULL);
941 }
942
943 mono_array_set(data, guint8, 0, family & 0x0FF);
944 mono_array_set(data, guint8, 1, (family >> 8) & 0x0FF);
945
946 if(saddr->sa_family==AF_INET) {
947 struct sockaddr_in *sa_in=(struct sockaddr_in *)saddr;
948 guint16 port=ntohs(sa_in->sin_port);
949 guint32 address=ntohl(sa_in->sin_addr.s_addr);
950
951 if(sa_size<8) {
952 mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
953 }
954
955 mono_array_set(data, guint8, 2, (port>>8) & 0xff);
956 mono_array_set(data, guint8, 3, (port) & 0xff);
957 mono_array_set(data, guint8, 4, (address>>24) & 0xff);
958 mono_array_set(data, guint8, 5, (address>>16) & 0xff);
959 mono_array_set(data, guint8, 6, (address>>8) & 0xff);
960 mono_array_set(data, guint8, 7, (address) & 0xff);
961
962 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
963
964 return(sockaddr_obj);
965 #ifdef AF_INET6
966 } else if (saddr->sa_family == AF_INET6) {
967 struct sockaddr_in6 *sa_in=(struct sockaddr_in6 *)saddr;
968 int i;
969
970 guint16 port=ntohs(sa_in->sin6_port);
971
972 if(sa_size<28) {
973 mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
974 }
975
976 mono_array_set(data, guint8, 2, (port>>8) & 0xff);
977 mono_array_set(data, guint8, 3, (port) & 0xff);
978
979 for(i=0; i<16; i++) {
980 mono_array_set(data, guint8, 8+i,
981 sa_in->sin6_addr.s6_addr[i]);
982 }
983
984 mono_array_set(data, guint8, 24, sa_in->sin6_scope_id & 0xff);
985 mono_array_set(data, guint8, 25,
986 (sa_in->sin6_scope_id >> 8) & 0xff);
987 mono_array_set(data, guint8, 26,
988 (sa_in->sin6_scope_id >> 16) & 0xff);
989 mono_array_set(data, guint8, 27,
990 (sa_in->sin6_scope_id >> 24) & 0xff);
991
992 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
993
994 return(sockaddr_obj);
995 #endif
996 #ifdef HAVE_SYS_UN_H
997 } else if (saddr->sa_family == AF_UNIX) {
998 int i;
999
1000 for (i = 0; i < sa_size; i++) {
1001 mono_array_set (data, guint8, i+2, saddr->sa_data[i]);
1002 }
1003
1004 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
1005
1006 return sockaddr_obj;
1007 #endif
1008 } else {
1009 *error = WSAEAFNOSUPPORT;
1010 return(NULL);
1011 }
1012 }
1013
1014 static int
1015 get_sockaddr_size (int family)
1016 {
1017 int size;
1018
1019 size = 0;
1020 if (family == AF_INET) {
1021 size = sizeof (struct sockaddr_in);
1022 #ifdef AF_INET6
1023 } else if (family == AF_INET6) {
1024 size = sizeof (struct sockaddr_in6);
1025 #endif
1026 #ifdef HAVE_SYS_UN_H
1027 } else if (family == AF_UNIX) {
1028 size = sizeof (struct sockaddr_un);
1029 #endif
1030 }
1031 return size;
1032 }
1033
1034 extern MonoObject *ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal(SOCKET sock, gint32 af, gint32 *error)
1035 {
1036 gchar *sa;
1037 socklen_t salen;
1038 int ret;
1039 MonoObject *result;
1040
1041 MONO_ARCH_SAVE_REGS;
1042
1043 *error = 0;
1044
1045 salen = get_sockaddr_size (convert_family (af));
1046 if (salen == 0) {
1047 *error = WSAEAFNOSUPPORT;
1048 return NULL;
1049 }
1050 sa = g_malloc0 (salen);
1051 ret = _wapi_getsockname (sock, (struct sockaddr *)sa, &salen);
1052
1053 if(ret==SOCKET_ERROR) {
1054 *error = WSAGetLastError ();
1055 g_free (sa);
1056 return(NULL);
1057 }
1058
1059 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)));
1060
1061 result = create_object_from_sockaddr((struct sockaddr *)sa, salen, error);
1062 g_free (sa);
1063 return result;
1064 }
1065
1066 extern MonoObject *ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal(SOCKET sock, gint32 af, gint32 *error)
1067 {
1068 gchar *sa;
1069 socklen_t salen;
1070 int ret;
1071 MonoObject *result;
1072
1073 MONO_ARCH_SAVE_REGS;
1074
1075 *error = 0;
1076
1077 salen = get_sockaddr_size (convert_family (af));
1078 if (salen == 0) {
1079 *error = WSAEAFNOSUPPORT;
1080 return NULL;
1081 }
1082 sa = g_malloc0 (salen);
1083 /* Note: linux returns just 2 for AF_UNIX. Always. */
1084 ret = _wapi_getpeername (sock, (struct sockaddr *)sa, &salen);
1085 if(ret==SOCKET_ERROR) {
1086 *error = WSAGetLastError ();
1087 g_free (sa);
1088 return(NULL);
1089 }
1090
1091 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)));
1092
1093 result = create_object_from_sockaddr((struct sockaddr *)sa, salen, error);
1094 g_free (sa);
1095 return result;
1096 }
1097
1098 static struct sockaddr *create_sockaddr_from_object(MonoObject *saddr_obj,
1099 socklen_t *sa_size,
1100 gint32 *error)
1101 {
1102 MonoClassField *field;
1103 MonoArray *data;
1104 gint32 family;
1105 int len;
1106
1107 /* Dig the SocketAddress data buffer out of the object */
1108 field=mono_class_get_field_from_name(saddr_obj->vtable->klass, "data");
1109 data=*(MonoArray **)(((char *)saddr_obj) + field->offset);
1110
1111 /* The data buffer is laid out as follows:
1112 * byte 0 is the address family low byte
1113 * byte 1 is the address family high byte
1114 * INET:
1115 * bytes 2 and 3 are the port info
1116 * the rest is the address info
1117 * UNIX:
1118 * the rest is the file name
1119 */
1120 len = mono_array_length (data);
1121 if (len < 2) {
1122 mono_raise_exception (mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
1123 }
1124
1125 family = convert_family (mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8));
1126 if (family == AF_INET) {
1127 struct sockaddr_in *sa;
1128 guint16 port;
1129 guint32 address;
1130
1131 if (len < 8) {
1132 mono_raise_exception (mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1133 }
1134
1135 sa = g_new0 (struct sockaddr_in, 1);
1136 port = (mono_array_get (data, guint8, 2) << 8) +
1137 mono_array_get (data, guint8, 3);
1138 address = (mono_array_get (data, guint8, 4) << 24) +
1139 (mono_array_get (data, guint8, 5) << 16 ) +
1140 (mono_array_get (data, guint8, 6) << 8) +
1141 mono_array_get (data, guint8, 7);
1142
1143 sa->sin_family = family;
1144 sa->sin_addr.s_addr = htonl (address);
1145 sa->sin_port = htons (port);
1146
1147 *sa_size = sizeof(struct sockaddr_in);
1148 return((struct sockaddr *)sa);
1149
1150 #ifdef AF_INET6
1151 } else if (family == AF_INET6) {
1152 struct sockaddr_in6 *sa;
1153 int i;
1154 guint16 port;
1155 guint32 scopeid;
1156
1157 if (len < 28) {
1158 mono_raise_exception (mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1159 }
1160
1161 sa = g_new0 (struct sockaddr_in6, 1);
1162 port = mono_array_get (data, guint8, 3) +
1163 (mono_array_get (data, guint8, 2) << 8);
1164 scopeid = mono_array_get (data, guint8, 24) +
1165 (mono_array_get (data, guint8, 25) << 8) +
1166 (mono_array_get (data, guint8, 26) << 16) +
1167 (mono_array_get (data, guint8, 27) << 24);
1168
1169 sa->sin6_family = family;
1170 sa->sin6_port = htons (port);
1171 sa->sin6_scope_id = scopeid;
1172
1173 for(i=0; i<16; i++) {
1174 sa->sin6_addr.s6_addr[i] = mono_array_get (data, guint8, 8+i);
1175 }
1176
1177 *sa_size = sizeof(struct sockaddr_in6);
1178 return((struct sockaddr *)sa);
1179 #endif
1180 #ifdef HAVE_SYS_UN_H
1181 } else if (family == AF_UNIX) {
1182 struct sockaddr_un *sock_un;
1183 int i;
1184
1185 /* Need a byte for the '\0' terminator/prefix, and the first
1186 * two bytes hold the SocketAddress family
1187 */
1188 if (len - 2 >= MONO_SIZEOF_SUNPATH) {
1189 mono_raise_exception (mono_get_exception_index_out_of_range ());
1190 }
1191
1192 sock_un = g_new0 (struct sockaddr_un, 1);
1193
1194 sock_un->sun_family = family;
1195 for (i = 0; i < len - 2; i++) {
1196 sock_un->sun_path [i] = mono_array_get (data, guint8,
1197 i + 2);
1198 }
1199
1200 *sa_size = len;
1201
1202 return (struct sockaddr *)sock_un;
1203 #endif
1204 } else {
1205 *error = WSAEAFNOSUPPORT;
1206 return(0);
1207 }
1208 }
1209
1210 extern void ves_icall_System_Net_Sockets_Socket_Bind_internal(SOCKET sock, MonoObject *sockaddr, gint32 *error)
1211 {
1212 struct sockaddr *sa;
1213 socklen_t sa_size;
1214 int ret;
1215
1216 MONO_ARCH_SAVE_REGS;
1217
1218 *error = 0;
1219
1220 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1221 if (*error != 0) {
1222 return;
1223 }
1224
1225 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)));
1226
1227 ret = _wapi_bind (sock, sa, sa_size);
1228 if(ret==SOCKET_ERROR) {
1229 *error = WSAGetLastError ();
1230 }
1231
1232 g_free(sa);
1233 }
1234
1235 enum {
1236 SelectModeRead,
1237 SelectModeWrite,
1238 SelectModeError
1239 };
1240
1241 MonoBoolean
1242 ves_icall_System_Net_Sockets_Socket_Poll_internal (SOCKET sock, gint mode,
1243 gint timeout, gint32 *error)
1244 {
1245 MonoInternalThread *thread = NULL;
1246 mono_pollfd *pfds;
1247 int ret;
1248 time_t start;
1249
1250
1251 MONO_ARCH_SAVE_REGS;
1252
1253 pfds = g_new0 (mono_pollfd, 1);
1254 pfds[0].fd = GPOINTER_TO_INT (sock);
1255 pfds[0].events = (mode == SelectModeRead) ? MONO_POLLIN :
1256 (mode == SelectModeWrite) ? MONO_POLLOUT :
1257 (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL);
1258
1259 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1260 start = time (NULL);
1261 do {
1262 *error = 0;
1263
1264 ret = mono_poll (pfds, 1, timeout);
1265 if (timeout > 0 && ret < 0) {
1266 int err = errno;
1267 int sec = time (NULL) - start;
1268
1269 timeout -= sec * 1000;
1270 if (timeout < 0) {
1271 timeout = 0;
1272 }
1273
1274 errno = err;
1275 }
1276
1277 if (ret == -1 && errno == EINTR) {
1278 int leave = 0;
1279
1280 if (thread == NULL) {
1281 thread = mono_thread_internal_current ();
1282 }
1283
1284 leave = mono_thread_test_state (thread, ThreadState_AbortRequested | ThreadState_StopRequested);
1285
1286 if (leave != 0) {
1287 g_free (pfds);
1288 return(FALSE);
1289 } else {
1290 /* Suspend requested? */
1291 mono_thread_interruption_checkpoint ();
1292 }
1293 errno = EINTR;
1294 }
1295 } while (ret == -1 && errno == EINTR);
1296
1297 if (ret == -1) {
1298 #ifdef HOST_WIN32
1299 *error = WSAGetLastError ();
1300 #else
1301 *error = errno_to_WSA (errno, __func__);
1302 #endif
1303 g_free (pfds);
1304 return(FALSE);
1305 }
1306
1307 g_free (pfds);
1308
1309 if (ret == 0) {
1310 return(FALSE);
1311 } else {
1312 return (TRUE);
1313 }
1314 }
1315
1316 extern void ves_icall_System_Net_Sockets_Socket_Connect_internal(SOCKET sock, MonoObject *sockaddr, gint32 *error)
1317 {
1318 struct sockaddr *sa;
1319 socklen_t sa_size;
1320 int ret;
1321
1322 MONO_ARCH_SAVE_REGS;
1323
1324 *error = 0;
1325
1326 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1327 if (*error != 0) {
1328 return;
1329 }
1330
1331 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)));
1332
1333 ret = _wapi_connect (sock, sa, sa_size);
1334 if(ret==SOCKET_ERROR) {
1335 *error = WSAGetLastError ();
1336 }
1337
1338 g_free(sa);
1339 }
1340
1341 /* These #defines from mswsock.h from wine. Defining them here allows
1342 * us to build this file on a mingw box that doesn't know the magic
1343 * numbers, but still run on a newer windows box that does.
1344 */
1345 #ifndef WSAID_DISCONNECTEX
1346 #define WSAID_DISCONNECTEX {0x7fda2e11,0x8630,0x436f,{0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}}
1347 typedef BOOL (WINAPI *LPFN_DISCONNECTEX)(SOCKET, LPOVERLAPPED, DWORD, DWORD);
1348 #endif
1349
1350 #ifndef WSAID_TRANSMITFILE
1351 #define WSAID_TRANSMITFILE {0xb5367df0,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}}
1352 typedef BOOL (WINAPI *LPFN_TRANSMITFILE)(SOCKET, HANDLE, DWORD, DWORD, LPOVERLAPPED, LPTRANSMIT_FILE_BUFFERS, DWORD);
1353 #endif
1354
1355 extern void ves_icall_System_Net_Sockets_Socket_Disconnect_internal(SOCKET sock, MonoBoolean reuse, gint32 *error)
1356 {
1357 int ret;
1358 glong output_bytes = 0;
1359 GUID disco_guid = WSAID_DISCONNECTEX;
1360 GUID trans_guid = WSAID_TRANSMITFILE;
1361 LPFN_DISCONNECTEX _wapi_disconnectex = NULL;
1362 LPFN_TRANSMITFILE _wapi_transmitfile = NULL;
1363 gboolean bret;
1364
1365 MONO_ARCH_SAVE_REGS;
1366
1367 *error = 0;
1368
1369 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1370
1371 /* I _think_ the extension function pointers need to be looked
1372 * up for each socket. FIXME: check the best way to store
1373 * pointers to functions in managed objects that still works
1374 * on 64bit platforms.
1375 */
1376 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER,
1377 (void *)&disco_guid, sizeof(GUID),
1378 (void *)&_wapi_disconnectex, sizeof(void *),
1379 &output_bytes, NULL, NULL);
1380 if (ret != 0) {
1381 /* make sure that WSAIoctl didn't put crap in the
1382 * output pointer
1383 */
1384 _wapi_disconnectex = NULL;
1385
1386 /* Look up the TransmitFile extension function pointer
1387 * instead of calling TransmitFile() directly, because
1388 * apparently "Several of the extension functions have
1389 * been available since WinSock 1.1 and are exported
1390 * from MSWsock.dll, however it's not advisable to
1391 * link directly to this dll as this ties you to the
1392 * Microsoft WinSock provider. A provider neutral way
1393 * of accessing these extension functions is to load
1394 * them dynamically via WSAIoctl using the
1395 * SIO_GET_EXTENSION_FUNCTION_POINTER op code. This
1396 * should, theoretically, allow you to access these
1397 * functions from any provider that supports them..."
1398 * (http://www.codeproject.com/internet/jbsocketserver3.asp)
1399 */
1400 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER,
1401 (void *)&trans_guid, sizeof(GUID),
1402 (void *)&_wapi_transmitfile, sizeof(void *),
1403 &output_bytes, NULL, NULL);
1404 if (ret != 0) {
1405 _wapi_transmitfile = NULL;
1406 }
1407 }
1408
1409 if (_wapi_disconnectex != NULL) {
1410 bret = _wapi_disconnectex (sock, NULL, TF_REUSE_SOCKET, 0);
1411 } else if (_wapi_transmitfile != NULL) {
1412 bret = _wapi_transmitfile (sock, NULL, 0, 0, NULL, NULL,
1413 TF_DISCONNECT | TF_REUSE_SOCKET);
1414 } else {
1415 *error = ERROR_NOT_SUPPORTED;
1416 return;
1417 }
1418
1419 if (bret == FALSE) {
1420 *error = WSAGetLastError ();
1421 }
1422 }
1423
1424 gint32 ves_icall_System_Net_Sockets_Socket_Receive_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *error)
1425 {
1426 int ret;
1427 guchar *buf;
1428 gint32 alen;
1429 int recvflags=0;
1430
1431 MONO_ARCH_SAVE_REGS;
1432
1433 *error = 0;
1434
1435 alen = mono_array_length (buffer);
1436 if (offset > alen - count) {
1437 return(0);
1438 }
1439
1440 buf=mono_array_addr(buffer, guchar, offset);
1441
1442 recvflags = convert_socketflags (flags);
1443 if (recvflags == -1) {
1444 *error = WSAEOPNOTSUPP;
1445 return (0);
1446 }
1447
1448 #ifdef HOST_WIN32
1449 {
1450 MonoInternalThread* curthread = mono_thread_internal_current ();
1451 curthread->interrupt_on_stop = (gpointer)TRUE;
1452 ret = _wapi_recv (sock, buf, count, recvflags);
1453 curthread->interrupt_on_stop = (gpointer)FALSE;
1454 }
1455 #else
1456 ret = _wapi_recv (sock, buf, count, recvflags);
1457 #endif
1458
1459 if(ret==SOCKET_ERROR) {
1460 *error = WSAGetLastError ();
1461 return(0);
1462 }
1463
1464 return(ret);
1465 }
1466
1467 gint32 ves_icall_System_Net_Sockets_Socket_Receive_array_internal(SOCKET sock, MonoArray *buffers, gint32 flags, gint32 *error)
1468 {
1469 int ret, count;
1470 DWORD recv;
1471 WSABUF *wsabufs;
1472 DWORD recvflags = 0;
1473
1474 MONO_ARCH_SAVE_REGS;
1475
1476 *error = 0;
1477
1478 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1479 count = mono_array_length (buffers);
1480
1481 recvflags = convert_socketflags (flags);
1482 if (recvflags == -1) {
1483 *error = WSAEOPNOTSUPP;
1484 return(0);
1485 }
1486
1487 ret = WSARecv (sock, wsabufs, count, &recv, &recvflags, NULL, NULL);
1488 if (ret == SOCKET_ERROR) {
1489 *error = WSAGetLastError ();
1490 return(0);
1491 }
1492
1493 return(recv);
1494 }
1495
1496 gint32 ves_icall_System_Net_Sockets_Socket_RecvFrom_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *error)
1497 {
1498 int ret;
1499 guchar *buf;
1500 gint32 alen;
1501 int recvflags=0;
1502 struct sockaddr *sa;
1503 socklen_t sa_size;
1504
1505 MONO_ARCH_SAVE_REGS;
1506
1507 *error = 0;
1508
1509 alen = mono_array_length (buffer);
1510 if (offset > alen - count) {
1511 return(0);
1512 }
1513
1514 sa=create_sockaddr_from_object(*sockaddr, &sa_size, error);
1515 if (*error != 0) {
1516 return(0);
1517 }
1518
1519 buf=mono_array_addr(buffer, guchar, offset);
1520
1521 recvflags = convert_socketflags (flags);
1522 if (recvflags == -1) {
1523 *error = WSAEOPNOTSUPP;
1524 return (0);
1525 }
1526
1527 ret = _wapi_recvfrom (sock, buf, count, recvflags, sa, &sa_size);
1528 if(ret==SOCKET_ERROR) {
1529 g_free(sa);
1530 *error = WSAGetLastError ();
1531 return(0);
1532 }
1533
1534 /* If we didn't get a socket size, then we're probably a
1535 * connected connection-oriented socket and the stack hasn't
1536 * returned the remote address. All we can do is return null.
1537 */
1538 if ( sa_size != 0 )
1539 *sockaddr=create_object_from_sockaddr(sa, sa_size, error);
1540 else
1541 *sockaddr=NULL;
1542
1543 g_free(sa);
1544
1545 return(ret);
1546 }
1547
1548 gint32 ves_icall_System_Net_Sockets_Socket_Send_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *error)
1549 {
1550 int ret;
1551 guchar *buf;
1552 gint32 alen;
1553 int sendflags=0;
1554
1555 MONO_ARCH_SAVE_REGS;
1556
1557 *error = 0;
1558
1559 alen = mono_array_length (buffer);
1560 if (offset > alen - count) {
1561 return(0);
1562 }
1563
1564 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1565
1566 buf=mono_array_addr(buffer, guchar, offset);
1567
1568 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1569
1570 sendflags = convert_socketflags (flags);
1571 if (sendflags == -1) {
1572 *error = WSAEOPNOTSUPP;
1573 return (0);
1574 }
1575
1576 ret = _wapi_send (sock, buf, count, sendflags);
1577 if(ret==SOCKET_ERROR) {
1578 *error = WSAGetLastError ();
1579 return(0);
1580 }
1581
1582 return(ret);
1583 }
1584
1585 gint32 ves_icall_System_Net_Sockets_Socket_Send_array_internal(SOCKET sock, MonoArray *buffers, gint32 flags, gint32 *error)
1586 {
1587 int ret, count;
1588 DWORD sent;
1589 WSABUF *wsabufs;
1590 DWORD sendflags = 0;
1591
1592 MONO_ARCH_SAVE_REGS;
1593
1594 *error = 0;
1595
1596 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1597 count = mono_array_length (buffers);
1598
1599 sendflags = convert_socketflags (flags);
1600 if (sendflags == -1) {
1601 *error = WSAEOPNOTSUPP;
1602 return(0);
1603 }
1604
1605 ret = WSASend (sock, wsabufs, count, &sent, sendflags, NULL, NULL);
1606 if (ret == SOCKET_ERROR) {
1607 *error = WSAGetLastError ();
1608 return(0);
1609 }
1610
1611 return(sent);
1612 }
1613
1614 gint32 ves_icall_System_Net_Sockets_Socket_SendTo_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *error)
1615 {
1616 int ret;
1617 guchar *buf;
1618 gint32 alen;
1619 int sendflags=0;
1620 struct sockaddr *sa;
1621 socklen_t sa_size;
1622
1623 MONO_ARCH_SAVE_REGS;
1624
1625 *error = 0;
1626
1627 alen = mono_array_length (buffer);
1628 if (offset > alen - count) {
1629 return(0);
1630 }
1631
1632 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1633 if(*error != 0) {
1634 return(0);
1635 }
1636
1637 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1638
1639 buf=mono_array_addr(buffer, guchar, offset);
1640
1641 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1642
1643 sendflags = convert_socketflags (flags);
1644 if (sendflags == -1) {
1645 *error = WSAEOPNOTSUPP;
1646 return (0);
1647 }
1648
1649 ret = _wapi_sendto (sock, buf, count, sendflags, sa, sa_size);
1650 if(ret==SOCKET_ERROR) {
1651 *error = WSAGetLastError ();
1652 }
1653
1654 g_free(sa);
1655
1656 return(ret);
1657 }
1658
1659 static SOCKET Socket_to_SOCKET(MonoObject *sockobj)
1660 {
1661 SOCKET sock;
1662 MonoClassField *field;
1663
1664 field=mono_class_get_field_from_name(sockobj->vtable->klass, "socket");
1665 sock=GPOINTER_TO_INT (*(gpointer *)(((char *)sockobj)+field->offset));
1666
1667 return(sock);
1668 }
1669
1670 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1671 void ves_icall_System_Net_Sockets_Socket_Select_internal(MonoArray **sockets, gint32 timeout, gint32 *error)
1672 {
1673 MonoInternalThread *thread = NULL;
1674 MonoObject *obj;
1675 mono_pollfd *pfds;
1676 int nfds, idx;
1677 int ret;
1678 int i, count;
1679 int mode;
1680 MonoClass *sock_arr_class;
1681 MonoArray *socks;
1682 time_t start;
1683 uintptr_t socks_size;
1684
1685 MONO_ARCH_SAVE_REGS;
1686
1687 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1688 count = mono_array_length (*sockets);
1689 nfds = count - 3; /* NULL separators */
1690 pfds = g_new0 (mono_pollfd, nfds);
1691 mode = idx = 0;
1692 for (i = 0; i < count; i++) {
1693 obj = mono_array_get (*sockets, MonoObject *, i);
1694 if (obj == NULL) {
1695 mode++;
1696 continue;
1697 }
1698
1699 if (idx >= nfds) {
1700 /* The socket array was bogus */
1701 g_free (pfds);
1702 *error = WSAEFAULT;
1703 return;
1704 }
1705
1706 pfds [idx].fd = Socket_to_SOCKET (obj);
1707 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1708 idx++;
1709 }
1710
1711 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1712 start = time (NULL);
1713 do {
1714 *error = 0;
1715 ret = mono_poll (pfds, nfds, timeout);
1716 if (timeout > 0 && ret < 0) {
1717 int err = errno;
1718 int sec = time (NULL) - start;
1719
1720 timeout -= sec * 1000;
1721 if (timeout < 0)
1722 timeout = 0;
1723 errno = err;
1724 }
1725
1726 if (ret == -1 && errno == EINTR) {
1727 int leave = 0;
1728 if (thread == NULL)
1729 thread = mono_thread_internal_current ();
1730
1731 leave = mono_thread_test_state (thread, ThreadState_AbortRequested | ThreadState_StopRequested);
1732
1733 if (leave != 0) {
1734 g_free (pfds);
1735 *sockets = NULL;
1736 return;
1737 } else {
1738 /* Suspend requested? */
1739 mono_thread_interruption_checkpoint ();
1740 }
1741 errno = EINTR;
1742 }
1743 } while (ret == -1 && errno == EINTR);
1744
1745 if (ret == -1) {
1746 #ifdef HOST_WIN32
1747 *error = WSAGetLastError ();
1748 #else
1749 *error = errno_to_WSA (errno, __func__);
1750 #endif
1751 g_free (pfds);
1752 return;
1753 }
1754
1755 if (ret == 0) {
1756 g_free (pfds);
1757 *sockets = NULL;
1758 return;
1759 }
1760
1761 sock_arr_class= ((MonoObject *)*sockets)->vtable->klass;
1762 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1763 socks = mono_array_new_full (mono_domain_get (), sock_arr_class, &socks_size, NULL);
1764
1765 mode = idx = 0;
1766 for (i = 0; i < count && ret > 0; i++) {
1767 mono_pollfd *pfd;
1768
1769 obj = mono_array_get (*sockets, MonoObject *, i);
1770 if (obj == NULL) {
1771 mode++;
1772 idx++;
1773 continue;
1774 }
1775
1776 pfd = &pfds [i - mode];
1777 if (pfd->revents == 0)
1778 continue;
1779
1780 ret--;
1781 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1782 mono_array_setref (socks, idx++, obj);
1783 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1784 mono_array_setref (socks, idx++, obj);
1785 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1786 mono_array_setref (socks, idx++, obj);
1787 }
1788 }
1789
1790 *sockets = socks;
1791 g_free (pfds);
1792 }
1793
1794 static MonoObject* int_to_object (MonoDomain *domain, int val)
1795 {
1796 return mono_value_box (domain, mono_get_int32_class (), &val);
1797 }
1798
1799
1800 void ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal(SOCKET sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *error)
1801 {
1802 int system_level;
1803 int system_name;
1804 int ret;
1805 int val;
1806 socklen_t valsize=sizeof(val);
1807 struct linger linger;
1808 socklen_t lingersize=sizeof(linger);
1809 int time_ms = 0;
1810 socklen_t time_ms_size = sizeof (time_ms);
1811 #ifdef SO_PEERCRED
1812 # if defined(__OpenBSD__)
1813 struct sockpeercred cred;
1814 # else
1815 struct ucred cred;
1816 # endif
1817 socklen_t credsize = sizeof(cred);
1818 #endif
1819 MonoDomain *domain=mono_domain_get();
1820 MonoObject *obj;
1821 MonoClass *obj_class;
1822 MonoClassField *field;
1823
1824 MONO_ARCH_SAVE_REGS;
1825
1826 *error = 0;
1827
1828 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1829 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1830 system_level = SOL_SOCKET;
1831 system_name = SO_REUSEADDR;
1832 ret = 0;
1833 } else
1834 #endif
1835 {
1836
1837 ret = convert_sockopt_level_and_name (level, name, &system_level, &system_name);
1838 }
1839
1840 if(ret==-1) {
1841 *error = WSAENOPROTOOPT;
1842 return;
1843 }
1844 if (ret == -2) {
1845 *obj_val = int_to_object (domain, 0);
1846 return;
1847 }
1848
1849 /* No need to deal with MulticastOption names here, because
1850 * you cant getsockopt AddMembership or DropMembership (the
1851 * int getsockopt will error, causing an exception)
1852 */
1853 switch(name) {
1854 case SocketOptionName_Linger:
1855 case SocketOptionName_DontLinger:
1856 ret = _wapi_getsockopt(sock, system_level, system_name, &linger,
1857 &lingersize);
1858 break;
1859
1860 case SocketOptionName_SendTimeout:
1861 case SocketOptionName_ReceiveTimeout:
1862 ret = _wapi_getsockopt (sock, system_level, system_name, (char *) &time_ms, &time_ms_size);
1863 break;
1864
1865 #ifdef SO_PEERCRED
1866 case SocketOptionName_PeerCred:
1867 ret = _wapi_getsockopt (sock, system_level, system_name, &cred,
1868 &credsize);
1869 break;
1870 #endif
1871
1872 default:
1873 ret = _wapi_getsockopt (sock, system_level, system_name, &val,
1874 &valsize);
1875 }
1876
1877 if(ret==SOCKET_ERROR) {
1878 *error = WSAGetLastError ();
1879 return;
1880 }
1881
1882 switch(name) {
1883 case SocketOptionName_Linger:
1884 /* build a System.Net.Sockets.LingerOption */
1885 obj_class=mono_class_from_name(get_socket_assembly (),
1886 "System.Net.Sockets",
1887 "LingerOption");
1888 obj=mono_object_new(domain, obj_class);
1889
1890 /* Locate and set the fields "bool enabled" and "int
1891 * seconds"
1892 */
1893 field=mono_class_get_field_from_name(obj_class, "enabled");
1894 *(guint8 *)(((char *)obj)+field->offset)=linger.l_onoff;
1895
1896 field=mono_class_get_field_from_name(obj_class, "seconds");
1897 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1898
1899 break;
1900
1901 case SocketOptionName_DontLinger:
1902 /* construct a bool int in val - true if linger is off */
1903 obj = int_to_object (domain, !linger.l_onoff);
1904 break;
1905
1906 case SocketOptionName_SendTimeout:
1907 case SocketOptionName_ReceiveTimeout:
1908 obj = int_to_object (domain, time_ms);
1909 break;
1910
1911 #ifdef SO_PEERCRED
1912 case SocketOptionName_PeerCred:
1913 {
1914 /* build a Mono.Posix.PeerCred+PeerCredData if
1915 * possible
1916 */
1917 static MonoImage *mono_posix_image = NULL;
1918 MonoPeerCredData *cred_data;
1919
1920 if (mono_posix_image == NULL) {
1921 mono_posix_image=mono_image_loaded ("Mono.Posix");
1922 if (!mono_posix_image) {
1923 MonoAssembly *sa = mono_assembly_open ("Mono.Posix.dll", NULL);
1924 if (!sa) {
1925 *error = WSAENOPROTOOPT;
1926 return;
1927 } else {
1928 mono_posix_image = mono_assembly_get_image (sa);
1929 }
1930 }
1931 }
1932
1933 obj_class = mono_class_from_name(mono_posix_image,
1934 "Mono.Posix",
1935 "PeerCredData");
1936 obj = mono_object_new(domain, obj_class);
1937 cred_data = (MonoPeerCredData *)obj;
1938 cred_data->pid = cred.pid;
1939 cred_data->uid = cred.uid;
1940 cred_data->gid = cred.gid;
1941 break;
1942 }
1943 #endif
1944
1945 default:
1946 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1947 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
1948 val = val ? 0 : 1;
1949 #endif
1950 obj = int_to_object (domain, val);
1951 }
1952 *obj_val=obj;
1953 }
1954
1955 void ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal(SOCKET sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *error)
1956 {
1957 int system_level;
1958 int system_name;
1959 int ret;
1960 guchar *buf;
1961 socklen_t valsize;
1962
1963 MONO_ARCH_SAVE_REGS;
1964
1965 *error = 0;
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 valsize=mono_array_length(*byte_val);
1977 buf=mono_array_addr(*byte_val, guchar, 0);
1978
1979 ret = _wapi_getsockopt (sock, system_level, system_name, buf, &valsize);
1980 if(ret==SOCKET_ERROR) {
1981 *error = WSAGetLastError ();
1982 }
1983 }
1984
1985 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
1986 static struct in_addr ipaddress_to_struct_in_addr(MonoObject *ipaddr)
1987 {
1988 struct in_addr inaddr;
1989 MonoClassField *field;
1990
1991 field=mono_class_get_field_from_name(ipaddr->vtable->klass, "m_Address");
1992
1993 /* No idea why .net uses a 64bit type to hold a 32bit value...
1994 *
1995 * Internal value of IPAddess is in little-endian order
1996 */
1997 inaddr.s_addr=GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr)+field->offset));
1998
1999 return(inaddr);
2000 }
2001
2002 #ifdef AF_INET6
2003 static struct in6_addr ipaddress_to_struct_in6_addr(MonoObject *ipaddr)
2004 {
2005 struct in6_addr in6addr;
2006 MonoClassField *field;
2007 MonoArray *data;
2008 int i;
2009
2010 field=mono_class_get_field_from_name(ipaddr->vtable->klass, "m_Numbers");
2011 data=*(MonoArray **)(((char *)ipaddr) + field->offset);
2012
2013 /* Solaris has only the 8 bit version. */
2014 #ifndef s6_addr16
2015 for(i=0; i<8; i++) {
2016 guint16 s = mono_array_get (data, guint16, i);
2017 in6addr.s6_addr[2 * i] = (s >> 8) & 0xff;
2018 in6addr.s6_addr[2 * i + 1] = s & 0xff;
2019 }
2020 #else
2021 for(i=0; i<8; i++)
2022 in6addr.s6_addr16[i] = mono_array_get (data, guint16, i);
2023 #endif
2024 return(in6addr);
2025 }
2026 #endif /* AF_INET6 */
2027 #endif
2028
2029 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)
2030 {
2031 struct linger linger;
2032 int system_level;
2033 int system_name;
2034 int ret;
2035 #ifdef AF_INET6
2036 int sol_ip;
2037 int sol_ipv6;
2038
2039 *error = 0;
2040
2041 #ifdef HAVE_SOL_IPV6
2042 sol_ipv6 = SOL_IPV6;
2043 #else
2044 {
2045 struct protoent *pent;
2046 pent = getprotobyname ("ipv6");
2047 sol_ipv6 = (pent != NULL) ? pent->p_proto : 41;
2048 }
2049 #endif
2050
2051 #ifdef HAVE_SOL_IP
2052 sol_ip = SOL_IP;
2053 #else
2054 {
2055 struct protoent *pent;
2056 pent = getprotobyname ("ip");
2057 sol_ip = (pent != NULL) ? pent->p_proto : 0;
2058 }
2059 #endif
2060 #endif /* AF_INET6 */
2061
2062 MONO_ARCH_SAVE_REGS;
2063
2064 ret=convert_sockopt_level_and_name(level, name, &system_level,
2065 &system_name);
2066
2067 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2068 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2069 system_name = SO_REUSEADDR;
2070 int_val = int_val ? 0 : 1;
2071 ret = 0;
2072 }
2073 #endif
2074
2075 if(ret==-1) {
2076 *error = WSAENOPROTOOPT;
2077 return;
2078 }
2079 if(ret==-2){
2080 return;
2081 }
2082
2083 /* Only one of obj_val, byte_val or int_val has data */
2084 if(obj_val!=NULL) {
2085 MonoClassField *field;
2086 int valsize;
2087
2088 switch(name) {
2089 case SocketOptionName_Linger:
2090 /* Dig out "bool enabled" and "int seconds"
2091 * fields
2092 */
2093 field=mono_class_get_field_from_name(obj_val->vtable->klass, "enabled");
2094 linger.l_onoff=*(guint8 *)(((char *)obj_val)+field->offset);
2095 field=mono_class_get_field_from_name(obj_val->vtable->klass, "seconds");
2096 linger.l_linger=*(guint32 *)(((char *)obj_val)+field->offset);
2097
2098 valsize=sizeof(linger);
2099 ret = _wapi_setsockopt (sock, system_level,
2100 system_name, &linger, valsize);
2101 break;
2102 case SocketOptionName_AddMembership:
2103 case SocketOptionName_DropMembership:
2104 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2105 {
2106 MonoObject *address = NULL;
2107
2108 #ifdef AF_INET6
2109 if(system_level == sol_ipv6) {
2110 struct ipv6_mreq mreq6;
2111
2112 /*
2113 * Get group address
2114 */
2115 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2116 address = *(gpointer *)(((char *)obj_val) + field->offset);
2117
2118 if(address) {
2119 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2120 }
2121
2122 field=mono_class_get_field_from_name(obj_val->vtable->klass, "ifIndex");
2123 mreq6.ipv6mr_interface =*(guint64 *)(((char *)obj_val)+field->offset);
2124
2125 ret = _wapi_setsockopt (sock, system_level,
2126 system_name, &mreq6,
2127 sizeof (mreq6));
2128 } else if(system_level == sol_ip)
2129 #endif /* AF_INET6 */
2130 {
2131 #ifdef HAVE_STRUCT_IP_MREQN
2132 struct ip_mreqn mreq = {{0}};
2133 #else
2134 struct ip_mreq mreq = {{0}};
2135 #endif /* HAVE_STRUCT_IP_MREQN */
2136
2137 /* pain! MulticastOption holds two IPAddress
2138 * members, so I have to dig the value out of
2139 * those :-(
2140 */
2141 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2142 address = *(gpointer *)(((char *)obj_val) + field->offset);
2143
2144 /* address might not be defined and if so, set the address to ADDR_ANY.
2145 */
2146 if(address) {
2147 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2148 }
2149
2150 field = mono_class_get_field_from_name (obj_val->vtable->klass, "local");
2151 address = *(gpointer *)(((char *)obj_val) + field->offset);
2152
2153 #ifdef HAVE_STRUCT_IP_MREQN
2154 if(address) {
2155 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2156 }
2157 #else
2158 if(address) {
2159 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2160 }
2161 #endif /* HAVE_STRUCT_IP_MREQN */
2162
2163 ret = _wapi_setsockopt (sock, system_level,
2164 system_name, &mreq,
2165 sizeof (mreq));
2166 }
2167 break;
2168 }
2169 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2170 default:
2171 /* Cause an exception to be thrown */
2172 *error = WSAEINVAL;
2173 return;
2174 }
2175 } else if (byte_val!=NULL) {
2176 int valsize = mono_array_length (byte_val);
2177 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2178
2179 switch(name) {
2180 case SocketOptionName_DontLinger:
2181 if (valsize == 1) {
2182 linger.l_onoff = (*buf) ? 0 : 1;
2183 linger.l_linger = 0;
2184 ret = _wapi_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2185 } else {
2186 *error = WSAEINVAL;
2187 }
2188 break;
2189 default:
2190 ret = _wapi_setsockopt (sock, system_level, system_name, buf, valsize);
2191 break;
2192 }
2193 } else {
2194 /* ReceiveTimeout/SendTimeout get here */
2195 switch(name) {
2196 case SocketOptionName_DontLinger:
2197 linger.l_onoff = !int_val;
2198 linger.l_linger = 0;
2199 ret = _wapi_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2200 break;
2201 case SocketOptionName_DontFragment:
2202 #ifdef HAVE_IP_MTU_DISCOVER
2203 /* Fiddle with the value slightly if we're
2204 * turning DF on
2205 */
2206 if (int_val == 1) {
2207 int_val = IP_PMTUDISC_DO;
2208 }
2209 /* Fall through */
2210 #endif
2211
2212 default:
2213 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2214 }
2215 }
2216
2217 if(ret==SOCKET_ERROR) {
2218 *error = WSAGetLastError ();
2219 }
2220 }
2221
2222 void ves_icall_System_Net_Sockets_Socket_Shutdown_internal(SOCKET sock,
2223 gint32 how,
2224 gint32 *error)
2225 {
2226 int ret;
2227
2228 MONO_ARCH_SAVE_REGS;
2229
2230 *error = 0;
2231
2232 /* Currently, the values for how (recv=0, send=1, both=2) match
2233 * the BSD API
2234 */
2235 ret = _wapi_shutdown (sock, how);
2236 if(ret==SOCKET_ERROR) {
2237 *error = WSAGetLastError ();
2238 }
2239 }
2240
2241 gint
2242 ves_icall_System_Net_Sockets_Socket_WSAIoctl (SOCKET sock, gint32 code,
2243 MonoArray *input,
2244 MonoArray *output, gint32 *error)
2245 {
2246 glong output_bytes = 0;
2247 gchar *i_buffer, *o_buffer;
2248 gint i_len, o_len;
2249 gint ret;
2250
2251 MONO_ARCH_SAVE_REGS;
2252
2253 *error = 0;
2254
2255 if (code == FIONBIO) {
2256 /* Invalid command. Must use Socket.Blocking */
2257 return -1;
2258 }
2259
2260 if (input == NULL) {
2261 i_buffer = NULL;
2262 i_len = 0;
2263 } else {
2264 i_buffer = mono_array_addr (input, gchar, 0);
2265 i_len = mono_array_length (input);
2266 }
2267
2268 if (output == NULL) {
2269 o_buffer = NULL;
2270 o_len = 0;
2271 } else {
2272 o_buffer = mono_array_addr (output, gchar, 0);
2273 o_len = mono_array_length (output);
2274 }
2275
2276 ret = WSAIoctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes, NULL, NULL);
2277 if (ret == SOCKET_ERROR) {
2278 *error = WSAGetLastError ();
2279 return(-1);
2280 }
2281
2282 return (gint) output_bytes;
2283 }
2284
2285 #ifdef HAVE_SIOCGIFCONF
2286 static gboolean
2287 is_loopback (int family, void *ad)
2288 {
2289 char *ptr = (char *) ad;
2290
2291 if (family == AF_INET) {
2292 return (ptr [0] == 127);
2293 }
2294 #ifdef AF_INET6
2295 else {
2296 return (IN6_IS_ADDR_LOOPBACK ((struct in6_addr *) ptr));
2297 }
2298 #endif
2299 return FALSE;
2300 }
2301
2302 static void *
2303 get_local_ips (int family, int *nips)
2304 {
2305 int addr_size, offset, fd, i, count;
2306 int max_ifaces = 50; /* 50 interfaces should be enough... */
2307 struct ifconf ifc;
2308 struct ifreq *ifr;
2309 struct ifreq iflags;
2310 char *result, *tmp_ptr;
2311 gboolean ignore_loopback = FALSE;
2312
2313 *nips = 0;
2314 if (family == AF_INET) {
2315 addr_size = sizeof (struct in_addr);
2316 offset = G_STRUCT_OFFSET (struct sockaddr_in, sin_addr);
2317 #ifdef AF_INET6
2318 } else if (family == AF_INET6) {
2319 addr_size = sizeof (struct in6_addr);
2320 offset = G_STRUCT_OFFSET (struct sockaddr_in6, sin6_addr);
2321 #endif
2322 } else {
2323 return NULL;
2324 }
2325
2326 fd = socket (family, SOCK_STREAM, 0);
2327
2328 ifc.ifc_len = max_ifaces * sizeof (struct ifreq);
2329 ifc.ifc_buf = g_malloc (ifc.ifc_len);
2330 if (ioctl (fd, SIOCGIFCONF, &ifc) < 0) {
2331 close (fd);
2332 g_free (ifc.ifc_buf);
2333 return NULL;
2334 }
2335
2336 count = ifc.ifc_len / sizeof (struct ifreq);
2337 *nips = count;
2338 if (count == 0) {
2339 g_free (ifc.ifc_buf);
2340 close (fd);
2341 return NULL;
2342 }
2343
2344 for (i = 0, ifr = ifc.ifc_req; i < *nips; i++, ifr++) {
2345 strcpy (iflags.ifr_name, ifr->ifr_name);
2346 if (ioctl (fd, SIOCGIFFLAGS, &iflags) < 0) {
2347 continue;
2348 }
2349
2350 if ((iflags.ifr_flags & IFF_UP) == 0) {
2351 ifr->ifr_name [0] = '\0';
2352 continue;
2353 }
2354
2355 if ((iflags.ifr_flags & IFF_LOOPBACK) == 0) {
2356 ignore_loopback = TRUE;
2357 }
2358 }
2359
2360 close (fd);
2361 result = g_malloc (addr_size * count);
2362 tmp_ptr = result;
2363 for (i = 0, ifr = ifc.ifc_req; i < count; i++, ifr++) {
2364 if (ifr->ifr_name [0] == '\0') {
2365 (*nips)--;
2366 continue;
2367 }
2368
2369 if (ignore_loopback && is_loopback (family, ((char *) &ifr->ifr_addr) + offset)) {
2370 (*nips)--;
2371 continue;
2372 }
2373
2374 memcpy (tmp_ptr, ((char *) &ifr->ifr_addr) + offset, addr_size);
2375 tmp_ptr += addr_size;
2376 }
2377
2378 g_free (ifc.ifc_buf);
2379 return result;
2380 }
2381 #else
2382 static void *
2383 get_local_ips (int family, int *nips)
2384 {
2385 *nips = 0;
2386 return NULL;
2387 }
2388
2389 #endif /* HAVE_SIOCGIFCONF */
2390
2391 #ifndef AF_INET6
2392 static gboolean hostent_to_IPHostEntry(struct hostent *he, MonoString **h_name,
2393 MonoArray **h_aliases,
2394 MonoArray **h_addr_list,
2395 gboolean add_local_ips)
2396 {
2397 MonoDomain *domain = mono_domain_get ();
2398 int i = 0;
2399 struct in_addr *local_in = NULL;
2400 int nlocal_in = 0;
2401
2402 if (he != NULL) {
2403 if(he->h_length!=4 || he->h_addrtype!=AF_INET) {
2404 return(FALSE);
2405 }
2406
2407 *h_name=mono_string_new(domain, he->h_name);
2408
2409 while(he->h_aliases[i]!=NULL) {
2410 i++;
2411 }
2412
2413 *h_aliases=mono_array_new(domain, mono_get_string_class (), i);
2414 i=0;
2415 while(he->h_aliases[i]!=NULL) {
2416 MonoString *alias;
2417
2418 alias=mono_string_new(domain, he->h_aliases[i]);
2419 mono_array_setref (*h_aliases, i, alias);
2420 i++;
2421 }
2422 } else if (!add_local_ips) {
2423 return FALSE;
2424 }
2425
2426 if (add_local_ips) {
2427 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2428 if (nlocal_in) {
2429 *h_addr_list = mono_array_new(domain, mono_get_string_class (), nlocal_in);
2430 for (i = 0; i < nlocal_in; i++) {
2431 MonoString *addr_string;
2432 char addr [16], *ptr;
2433
2434 ptr = (char *) &local_in [i];
2435 g_snprintf(addr, 16, "%u.%u.%u.%u",
2436 (unsigned char) ptr [0],
2437 (unsigned char) ptr [1],
2438 (unsigned char) ptr [2],
2439 (unsigned char) ptr [3]);
2440
2441 addr_string = mono_string_new (domain, addr);
2442 mono_array_setref (*h_addr_list, i, addr_string);
2443 i++;
2444 }
2445
2446 g_free (local_in);
2447 } else if (he == NULL) {
2448 /* If requesting "" and there are no other interfaces up, MS returns 127.0.0.1 */
2449 *h_addr_list = mono_array_new(domain, mono_get_string_class (), 1);
2450 mono_array_setref (*h_addr_list, 0, mono_string_new (domain, "127.0.0.1"));
2451 return TRUE;
2452 }
2453 }
2454
2455 if (nlocal_in == 0 && he != NULL) {
2456 i = 0;
2457 while (he->h_addr_list[i]!=NULL) {
2458 i++;
2459 }
2460
2461 *h_addr_list=mono_array_new(domain, mono_get_string_class (), i);
2462 i=0;
2463 while(he->h_addr_list[i]!=NULL) {
2464 MonoString *addr_string;
2465 char addr[16];
2466
2467 g_snprintf(addr, 16, "%u.%u.%u.%u",
2468 (unsigned char)he->h_addr_list[i][0],
2469 (unsigned char)he->h_addr_list[i][1],
2470 (unsigned char)he->h_addr_list[i][2],
2471 (unsigned char)he->h_addr_list[i][3]);
2472
2473 addr_string=mono_string_new(domain, addr);
2474 mono_array_setref (*h_addr_list, i, addr_string);
2475 i++;
2476 }
2477 }
2478
2479 return(TRUE);
2480 }
2481
2482 static gboolean ipaddr_to_IPHostEntry(const char *addr, MonoString **h_name,
2483 MonoArray **h_aliases,
2484 MonoArray **h_addr_list)
2485 {
2486 MonoDomain *domain = mono_domain_get ();
2487
2488 *h_name=mono_string_new(domain, addr);
2489 *h_aliases=mono_array_new(domain, mono_get_string_class (), 0);
2490 *h_addr_list=mono_array_new(domain, mono_get_string_class (), 1);
2491 mono_array_setref (*h_addr_list, 0, *h_name);
2492
2493 return(TRUE);
2494 }
2495 #endif
2496
2497 #if defined(AF_INET6) && defined(HAVE_GETHOSTBYNAME2_R)
2498 static gboolean hostent_to_IPHostEntry2(struct hostent *he1,struct hostent *he2, MonoString **h_name,
2499 MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips)
2500 {
2501 MonoDomain *domain = mono_domain_get ();
2502 int i, host_count, host_index, family_hint;
2503 struct in_addr *local_in = NULL;
2504 int nlocal_in = 0;
2505 struct in6_addr *local_in6 = NULL;
2506 int nlocal_in6 = 0;
2507 gboolean from_local = FALSE;
2508
2509 family_hint = get_family_hint ();
2510
2511 /*
2512 * Check if address length and family are correct
2513 */
2514 if (he1 != NULL && (he1->h_length!=4 || he1->h_addrtype!=AF_INET)) {
2515 return(FALSE);
2516 }
2517
2518 if (he2 != NULL && (he2->h_length!=16 || he2->h_addrtype!=AF_INET6)) {
2519 return(FALSE);
2520 }
2521
2522 /*
2523 * Get the aliases and host name from he1 or he2 whichever is
2524 * not null, if he1 is not null then take aliases from he1
2525 */
2526 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2527 family_hint == PF_INET)) {
2528 *h_name=mono_string_new (domain, he1->h_name);
2529
2530 i=0;
2531 while(he1->h_aliases[i]!=NULL) {
2532 i++;
2533 }
2534
2535 *h_aliases=mono_array_new (domain, mono_get_string_class (),
2536 i);
2537 i=0;
2538 while(he1->h_aliases[i]!=NULL) {
2539 MonoString *alias;
2540
2541 alias=mono_string_new (domain, he1->h_aliases[i]);
2542 mono_array_setref (*h_aliases, i, alias);
2543 i++;
2544 }
2545 } else if (he2 != NULL && (family_hint == PF_UNSPEC ||
2546 family_hint == PF_INET6)) {
2547 *h_name=mono_string_new (domain, he2->h_name);
2548
2549 i=0;
2550 while(he2->h_aliases [i] != NULL) {
2551 i++;
2552 }
2553
2554 *h_aliases=mono_array_new (domain, mono_get_string_class (),
2555 i);
2556 i=0;
2557 while(he2->h_aliases[i]!=NULL) {
2558 MonoString *alias;
2559
2560 alias=mono_string_new (domain, he2->h_aliases[i]);
2561 mono_array_setref (*h_aliases, i, alias);
2562 i++;
2563 }
2564 } else if (!add_local_ips) {
2565 return(FALSE);
2566 }
2567
2568 /*
2569 * Count the number of addresses in he1 + he2
2570 */
2571 host_count = 0;
2572 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2573 family_hint == PF_INET)) {
2574 i=0;
2575 while(he1->h_addr_list[i]!=NULL) {
2576 i++;
2577 host_count++;
2578 }
2579 }
2580
2581 if (he2 != NULL && (family_hint == PF_UNSPEC ||
2582 family_hint == PF_INET6)) {
2583 i=0;
2584 while(he2->h_addr_list[i]!=NULL) {
2585 i++;
2586 host_count++;
2587 }
2588 }
2589
2590 /*
2591 * Fills the array
2592 */
2593 host_index = 0;
2594 if (add_local_ips) {
2595 if (family_hint == PF_UNSPEC || family_hint == PF_INET)
2596 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2597
2598 if (family_hint == PF_UNSPEC || family_hint == PF_INET6)
2599 local_in6 = (struct in6_addr *) get_local_ips (AF_INET6, &nlocal_in6);
2600
2601 if (nlocal_in || nlocal_in6) {
2602 from_local = TRUE;
2603 *h_addr_list = mono_array_new (domain, mono_get_string_class (),
2604 nlocal_in + nlocal_in6);
2605
2606 if (nlocal_in6) {
2607 int n;
2608 for (n = 0; n < nlocal_in6; n++) {
2609 MonoString *addr_string;
2610 const char *ret;
2611 char addr[48]; /* INET6_ADDRSTRLEN == 46, but IPv6 addresses can be 48 bytes with the trailing NULL */
2612
2613 ret = inet_ntop (AF_INET6, &local_in6 [n], addr, sizeof(addr));
2614
2615 if (ret != NULL) {
2616 addr_string = mono_string_new (domain, addr);
2617 mono_array_setref (*h_addr_list, host_index, addr_string);
2618 host_index++;
2619 }
2620 }
2621 }
2622
2623 if (nlocal_in) {
2624 int n;
2625 for (n = 0; n < nlocal_in; n++) {
2626 MonoString *addr_string;
2627 const char *ret;
2628 char addr[16]; /* INET_ADDRSTRLEN == 16 */
2629
2630 ret = inet_ntop (AF_INET, &local_in [n], addr, sizeof(addr));
2631
2632 if (ret != NULL) {
2633 addr_string = mono_string_new (domain, addr);
2634 mono_array_setref (*h_addr_list, host_index, addr_string);
2635 host_index++;
2636 }
2637 }
2638 }
2639 g_free (local_in);
2640 g_free (local_in6);
2641 return TRUE;
2642 } else if (he1 == NULL && he2 == NULL) {
2643 /* If requesting "" and there are no other interfaces up, MS returns 127.0.0.1 */
2644 *h_addr_list = mono_array_new(domain, mono_get_string_class (), 1);
2645 mono_array_setref (*h_addr_list, 0, mono_string_new (domain, "127.0.0.1"));
2646 g_free (local_in);
2647 g_free (local_in6);
2648 return TRUE;
2649 }
2650
2651 g_free (local_in);
2652 g_free (local_in6);
2653 }
2654
2655 *h_addr_list=mono_array_new (domain, mono_get_string_class (), host_count);
2656
2657 if (he2 != NULL && (family_hint == PF_UNSPEC ||
2658 family_hint == PF_INET6)) {
2659 i = 0;
2660 while(he2->h_addr_list[i] != NULL) {
2661 MonoString *addr_string;
2662 const char *ret;
2663 char addr[48]; /* INET6_ADDRSTRLEN == 46, but IPv6 addresses can be 48 bytes long with the trailing NULL */
2664
2665 ret = inet_ntop (AF_INET6, he2->h_addr_list[i], addr,
2666 sizeof(addr));
2667
2668 if (ret != NULL) {
2669 addr_string = mono_string_new (domain, addr);
2670 mono_array_setref (*h_addr_list, host_index, addr_string);
2671 i++;
2672 host_index++;
2673 }
2674 }
2675 }
2676
2677 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2678 family_hint == PF_INET)) {
2679 i=0;
2680 while(he1->h_addr_list[i] != NULL) {
2681 MonoString *addr_string;
2682 const char *ret;
2683 char addr[16]; /* INET_ADDRSTRLEN == 16 */
2684
2685 ret = inet_ntop (AF_INET, he1->h_addr_list[i], addr,
2686 sizeof(addr));
2687
2688 if (ret != NULL) {
2689 addr_string=mono_string_new (domain, addr);
2690 mono_array_setref (*h_addr_list, host_index, addr_string);
2691 i++;
2692 host_index++;
2693 }
2694 }
2695 }
2696
2697 return(TRUE);
2698 }
2699 #endif
2700
2701 #if defined(AF_INET6)
2702 static gboolean
2703 addrinfo_to_IPHostEntry(struct addrinfo *info, MonoString **h_name,
2704 MonoArray **h_aliases,
2705 MonoArray **h_addr_list,
2706 gboolean add_local_ips)
2707 {
2708 gint32 count, i;
2709 struct addrinfo *ai = NULL;
2710 struct in_addr *local_in = NULL;
2711 int nlocal_in = 0;
2712 struct in6_addr *local_in6 = NULL;
2713 int nlocal_in6 = 0;
2714 int addr_index;
2715
2716 MonoDomain *domain = mono_domain_get ();
2717
2718 addr_index = 0;
2719 *h_aliases=mono_array_new(domain, mono_get_string_class (), 0);
2720 if (add_local_ips) {
2721 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2722 local_in6 = (struct in6_addr *) get_local_ips (AF_INET6, &nlocal_in6);
2723 if (nlocal_in || nlocal_in6) {
2724 *h_addr_list=mono_array_new(domain, mono_get_string_class (), nlocal_in + nlocal_in6);
2725 if (nlocal_in) {
2726 MonoString *addr_string;
2727 char addr [16];
2728 int i;
2729
2730 for (i = 0; i < nlocal_in; i++) {
2731 inet_ntop (AF_INET, &local_in [i], addr, sizeof (addr));
2732 addr_string = mono_string_new (domain, addr);
2733 mono_array_setref (*h_addr_list, addr_index, addr_string);
2734 addr_index++;
2735 }
2736 }
2737
2738 if (nlocal_in6) {
2739 MonoString *addr_string;
2740 const char *ret;
2741 char addr [48];
2742 int i;
2743
2744 for (i = 0; i < nlocal_in6; i++) {
2745 ret = inet_ntop (AF_INET6, &local_in6 [i], addr, sizeof (addr));
2746 if (ret != NULL) {
2747 addr_string = mono_string_new (domain, addr);
2748 mono_array_setref (*h_addr_list, addr_index, addr_string);
2749 addr_index++;
2750 }
2751 }
2752 }
2753
2754 g_free (local_in);
2755 g_free (local_in6);
2756 if (info) {
2757 freeaddrinfo (info);
2758 }
2759 return TRUE;
2760 }
2761
2762 g_free (local_in);
2763 g_free (local_in6);
2764 }
2765
2766 for (count=0, ai=info; ai!=NULL; ai=ai->ai_next) {
2767 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
2768 continue;
2769
2770 count++;
2771 }
2772
2773 *h_addr_list=mono_array_new(domain, mono_get_string_class (), count);
2774
2775 for (ai=info, i=0; ai!=NULL; ai=ai->ai_next) {
2776 MonoString *addr_string;
2777 const char *ret;
2778 char buffer [48]; /* Max. size for IPv6 */
2779
2780 if((ai->ai_family != PF_INET) && (ai->ai_family != PF_INET6)) {
2781 continue;
2782 }
2783
2784 if(ai->ai_family == PF_INET) {
2785 ret = inet_ntop(ai->ai_family, (void*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr), buffer, 16);
2786 } else {
2787 ret = inet_ntop(ai->ai_family, (void*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr), buffer, 48);
2788 }
2789
2790 if(ret) {
2791 addr_string=mono_string_new(domain, buffer);
2792 } else {
2793 addr_string=mono_string_new(domain, "");
2794 }
2795
2796 mono_array_setref (*h_addr_list, addr_index, addr_string);
2797
2798 if(!i) {
2799 i++;
2800 if (ai->ai_canonname != NULL) {
2801 *h_name=mono_string_new(domain, ai->ai_canonname);
2802 } else {
2803 *h_name=mono_string_new(domain, buffer);
2804 }
2805 }
2806
2807 addr_index++;
2808 }
2809
2810 if(info) {
2811 freeaddrinfo(info);
2812 }
2813
2814 return(TRUE);
2815 }
2816 #endif
2817
2818 #ifdef AF_INET6
2819 MonoBoolean ves_icall_System_Net_Dns_GetHostByName_internal(MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2820 {
2821 gboolean add_local_ips = FALSE;
2822 #ifdef HAVE_SIOCGIFCONF
2823 gchar this_hostname [256];
2824 #endif
2825 #if !defined(HAVE_GETHOSTBYNAME2_R)
2826 struct addrinfo *info = NULL, hints;
2827 char *hostname;
2828
2829 MONO_ARCH_SAVE_REGS;
2830
2831 hostname=mono_string_to_utf8 (host);
2832 if (*hostname == '\0') {
2833 add_local_ips = TRUE;
2834 *h_name = host;
2835 }
2836 #ifdef HAVE_SIOCGIFCONF
2837 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2838 if (!strcmp (hostname, this_hostname)) {
2839 add_local_ips = TRUE;
2840 *h_name = host;
2841 }
2842 }
2843 #endif
2844
2845 memset(&hints, 0, sizeof(hints));
2846 hints.ai_family = get_family_hint ();
2847 hints.ai_socktype = SOCK_STREAM;
2848 hints.ai_flags = AI_CANONNAME;
2849
2850 if (*hostname && getaddrinfo(hostname, NULL, &hints, &info) == -1) {
2851 return(FALSE);
2852 }
2853
2854 g_free(hostname);
2855
2856 return(addrinfo_to_IPHostEntry(info, h_name, h_aliases, h_addr_list, add_local_ips));
2857 #else
2858 struct hostent he1,*hp1, he2, *hp2;
2859 int buffer_size1, buffer_size2;
2860 char *buffer1, *buffer2;
2861 int herr;
2862 gboolean return_value;
2863 char *hostname;
2864
2865 MONO_ARCH_SAVE_REGS;
2866
2867 hostname=mono_string_to_utf8 (host);
2868 if (*hostname == '\0')
2869 add_local_ips = TRUE;
2870
2871 #ifdef HAVE_SIOCGIFCONF
2872 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2873 if (!strcmp (hostname, this_hostname))
2874 add_local_ips = TRUE;
2875 }
2876 #endif
2877
2878 buffer_size1 = 512;
2879 buffer_size2 = 512;
2880 buffer1 = g_malloc0(buffer_size1);
2881 buffer2 = g_malloc0(buffer_size2);
2882
2883 hp1 = NULL;
2884 hp2 = NULL;
2885 while (*hostname && gethostbyname2_r(hostname, AF_INET, &he1, buffer1, buffer_size1,
2886 &hp1, &herr) == ERANGE) {
2887 buffer_size1 *= 2;
2888 buffer1 = g_realloc(buffer1, buffer_size1);
2889 }
2890
2891 if (*hostname && hp1 == NULL)
2892 {
2893 while (gethostbyname2_r(hostname, AF_INET6, &he2, buffer2,
2894 buffer_size2, &hp2, &herr) == ERANGE) {
2895 buffer_size2 *= 2;
2896 buffer2 = g_realloc(buffer2, buffer_size2);
2897 }
2898 }
2899
2900 return_value = hostent_to_IPHostEntry2(hp1, hp2, h_name, h_aliases,
2901 h_addr_list, add_local_ips);
2902
2903 g_free(buffer1);
2904 g_free(buffer2);
2905 g_free(hostname);
2906
2907 return(return_value);
2908 #endif /* HAVE_GETHOSTBYNAME2_R */
2909 }
2910 #else /* AF_INET6 */
2911 MonoBoolean ves_icall_System_Net_Dns_GetHostByName_internal(MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2912 {
2913 struct hostent *he;
2914 char *hostname;
2915 gboolean add_local_ips = FALSE;
2916 #ifdef HAVE_SIOCGIFCONF
2917 gchar this_hostname [256];
2918 #endif
2919
2920 MONO_ARCH_SAVE_REGS;
2921
2922 hostname=mono_string_to_utf8(host);
2923 if (*hostname == '\0')
2924 add_local_ips = TRUE;
2925 #ifdef HAVE_SIOCGIFCONF
2926 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2927 if (!strcmp (hostname, this_hostname))
2928 add_local_ips = TRUE;
2929 }
2930 #endif
2931
2932 #ifndef HOST_WIN32
2933 he = NULL;
2934 if (*hostname)
2935 he = _wapi_gethostbyname (hostname);
2936 #else
2937 he = _wapi_gethostbyname (hostname);
2938 #endif
2939 g_free(hostname);
2940
2941 if (*hostname && he==NULL)
2942 return(FALSE);
2943
2944 return(hostent_to_IPHostEntry(he, h_name, h_aliases, h_addr_list, add_local_ips));
2945 }
2946 #endif /* AF_INET6 */
2947
2948 #ifndef HAVE_INET_PTON
2949 static int
2950 inet_pton (int family, const char *address, void *inaddrp)
2951 {
2952 if (family == AF_INET) {
2953 #ifdef HAVE_INET_ATON
2954 struct in_addr inaddr;
2955
2956 if (!inet_aton (address, &inaddr))
2957 return 0;
2958
2959 memcpy (inaddrp, &inaddr, sizeof (struct in_addr));
2960 return 1;
2961 #else
2962 /* assume the system has inet_addr(), if it doesn't
2963 have that we're pretty much screwed... */
2964 guint32 inaddr;
2965
2966 if (!strcmp (address, "255.255.255.255")) {
2967 /* special-case hack */
2968 inaddr = 0xffffffff;
2969 } else {
2970 inaddr = inet_addr (address);
2971 #ifndef INADDR_NONE
2972 #define INADDR_NONE ((in_addr_t) -1)
2973 #endif
2974 if (inaddr == INADDR_NONE)
2975 return 0;
2976 }
2977
2978 memcpy (inaddrp, &inaddr, sizeof (guint32));
2979 return 1;
2980 #endif /* HAVE_INET_ATON */
2981 }
2982
2983 return -1;
2984 }
2985 #endif /* !HAVE_INET_PTON */
2986
2987 extern MonoBoolean ves_icall_System_Net_Dns_GetHostByAddr_internal(MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2988 {
2989 char *address;
2990
2991 #ifdef AF_INET6
2992 struct sockaddr_in saddr;
2993 struct sockaddr_in6 saddr6;
2994 struct addrinfo *info = NULL, hints;
2995 gint32 family;
2996 char hostname[1024] = {0};
2997 int flags = 0;
2998 #else
2999 struct in_addr inaddr;
3000 struct hostent *he;
3001 gboolean ret;
3002 #endif
3003
3004 address = mono_string_to_utf8 (addr);
3005
3006 #ifdef AF_INET6
3007 if (inet_pton (AF_INET, address, &saddr.sin_addr ) <= 0) {
3008 /* Maybe an ipv6 address */
3009 if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) <= 0) {
3010 g_free (address);
3011 return FALSE;
3012 }
3013 else {
3014 family = AF_INET6;
3015 saddr6.sin6_family = AF_INET6;
3016 }
3017 }
3018 else {
3019 family = AF_INET;
3020 saddr.sin_family = AF_INET;
3021 }
3022 g_free(address);
3023
3024 if(family == AF_INET) {
3025 #if HAVE_SOCKADDR_IN_SIN_LEN
3026 saddr.sin_len = sizeof (saddr);
3027 #endif
3028 if(getnameinfo ((struct sockaddr*)&saddr, sizeof(saddr),
3029 hostname, sizeof(hostname), NULL, 0,
3030 flags) != 0) {
3031 return(FALSE);
3032 }
3033 } else if(family == AF_INET6) {
3034 #if HAVE_SOCKADDR_IN6_SIN_LEN
3035 saddr6.sin6_len = sizeof (saddr6);
3036 #endif
3037 if(getnameinfo ((struct sockaddr*)&saddr6, sizeof(saddr6),
3038 hostname, sizeof(hostname), NULL, 0,
3039 flags) != 0) {
3040 return(FALSE);
3041 }
3042 }
3043
3044 memset (&hints, 0, sizeof(hints));
3045 hints.ai_family = get_family_hint ();
3046 hints.ai_socktype = SOCK_STREAM;
3047 hints.ai_flags = AI_CANONNAME | AI_ADDRCONFIG;
3048
3049 if( getaddrinfo (hostname, NULL, &hints, &info) == -1 ) {
3050 return(FALSE);
3051 }
3052
3053 return(addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE));
3054 #else
3055 if (inet_pton (AF_INET, address, &inaddr) <= 0) {
3056 g_free (address);
3057 return(FALSE);
3058 }
3059
3060 if ((he = gethostbyaddr ((char *) &inaddr, sizeof (inaddr), AF_INET)) == NULL) {
3061 ret = ipaddr_to_IPHostEntry (address, h_name, h_aliases, h_addr_list);
3062 } else {
3063 ret = hostent_to_IPHostEntry (he, h_name, h_aliases,
3064 h_addr_list, FALSE);
3065 }
3066
3067 g_free (address);
3068 return(ret);
3069 #endif
3070 }
3071
3072 extern MonoBoolean ves_icall_System_Net_Dns_GetHostName_internal(MonoString **h_name)
3073 {
3074 gchar hostname[256];
3075 int ret;
3076
3077 MONO_ARCH_SAVE_REGS;
3078
3079 ret = gethostname (hostname, sizeof (hostname));
3080 if(ret==-1) {
3081 return(FALSE);
3082 }
3083
3084 *h_name=mono_string_new(mono_domain_get (), hostname);
3085
3086 return(TRUE);
3087 }
3088
3089 gboolean
3090 ves_icall_System_Net_Sockets_Socket_SendFile (SOCKET sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags)
3091 {
3092 HANDLE file;
3093 gint32 error;
3094 TRANSMIT_FILE_BUFFERS buffers;
3095
3096 MONO_ARCH_SAVE_REGS;
3097
3098 if (filename == NULL)
3099 return FALSE;
3100
3101 file = ves_icall_System_IO_MonoIO_Open (filename, FileMode_Open, FileAccess_Read, FileShare_Read, 0, &error);
3102 if (file == INVALID_HANDLE_VALUE) {
3103 SetLastError (error);
3104 return FALSE;
3105 }
3106
3107 memset (&buffers, 0, sizeof (buffers));
3108 if (pre_buffer != NULL) {
3109 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
3110 buffers.HeadLength = mono_array_length (pre_buffer);
3111 }
3112 if (post_buffer != NULL) {
3113 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
3114 buffers.TailLength = mono_array_length (post_buffer);
3115 }
3116
3117 if (!TransmitFile (sock, file, 0, 0, NULL, &buffers, flags)) {
3118 CloseHandle (file);
3119 return FALSE;
3120 }
3121
3122 CloseHandle (file);
3123 return TRUE;
3124 }
3125
3126 void mono_network_init(void)
3127 {
3128 WSADATA wsadata;
3129 int err;
3130
3131 err=WSAStartup(MAKEWORD(2,0), &wsadata);
3132 if(err!=0) {
3133 g_error("%s: Couldn't initialise networking", __func__);
3134 exit(-1);
3135 }
3136
3137 LOGDEBUG (g_message("%s: Using socket library: %s", __func__, wsadata.szDescription));
3138 LOGDEBUG (g_message("%s: Socket system status: %s", __func__, wsadata.szSystemStatus));
3139 }
3140
3141 void mono_network_cleanup(void)
3142 {
3143 WSACleanup();
3144 }
3145
3146 void
3147 icall_cancel_blocking_socket_operation (MonoThread *thread)
3148 {
3149 #if !defined(HOST_WIN32) && !defined(__MACH__)
3150 MonoInternalThread *internal = thread->internal_thread;
3151
3152 internal->ignore_next_signal = TRUE;
3153 mono_thread_kill (internal, mono_thread_get_abort_signal ());
3154 #endif
3155 }
3156
3157 #endif /* #ifndef DISABLE_SOCKETS */
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