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2005-01-24 Ben Maurer <bmaurer@ximian.com>
[mono-project.git] / mono / metadata / socket-io.c
blob1ef49278ea93a38c9a4cc681dd1b9c1664f91ab2
1 /*
2 * socket-io.c: Socket IO internal calls
3 *
4 * Author:
5 * Dick Porter (dick@ximian.com)
6 *
7 * (C) 2001 Ximian, Inc.
8 */
9
10 #include <config.h>
11
12 #include <glib.h>
13 #include <string.h>
14 #include <stdlib.h>
15 #include <unistd.h>
16 #include <errno.h>
17
18 #ifndef PLATFORM_WIN32
19 #ifdef HAVE_AIO_H
20 #include <aio.h>
21 #define USE_AIO 1
22 #elif defined(HAVE_SYS_AIO_H)
23 #include <sys/aio.h>
24 #define USE_AIO 1
25 #else
26 #undef USE_AIO
27 #endif
28 #endif
29
30 #include <mono/metadata/object.h>
31 #include <mono/io-layer/io-layer.h>
32 #include <mono/metadata/socket-io.h>
33 #include <mono/metadata/exception.h>
34 #include <mono/metadata/appdomain.h>
35 #include <mono/metadata/threads.h>
36 /* FIXME change this code to not mess so much with the internals */
37 #include <mono/metadata/class-internals.h>
38
39 #include <sys/time.h>
40
41 #ifdef HAVE_NETDB_H
42 #include <netdb.h>
43 #endif
44 #ifdef HAVE_SYS_FILIO_H
45 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
46 #endif
47 #ifdef HAVE_SYS_SOCKIO_H
48 #include <sys/sockio.h> /* defines SIOCATMARK */
49 #endif
50 #ifdef HAVE_SYS_UN_H
51 #include <sys/un.h>
52 #endif
53
54 #include "mono/io-layer/socket-wrappers.h"
55
56 #ifdef PLATFORM_WIN32
57 /* This is a kludge to make this file build under cygwin:
58 * w32api/ws2tcpip.h has definitions for some AF_INET6 values and
59 * prototypes for some but not all required functions (notably
60 * inet_ntop() is missing), but the libws2_32 library is missing the
61 * actual implementations of these functions.
62 */
63 #undef AF_INET6
64 #endif
65
66 #undef DEBUG
67
68 static gint32 convert_family(MonoAddressFamily mono_family)
69 {
70 gint32 family=-1;
71
72 switch(mono_family) {
73 case AddressFamily_Unknown:
74 case AddressFamily_ImpLink:
75 case AddressFamily_Pup:
76 case AddressFamily_Chaos:
77 case AddressFamily_Iso:
78 case AddressFamily_Ecma:
79 case AddressFamily_DataKit:
80 case AddressFamily_Ccitt:
81 case AddressFamily_DataLink:
82 case AddressFamily_Lat:
83 case AddressFamily_HyperChannel:
84 case AddressFamily_NetBios:
85 case AddressFamily_VoiceView:
86 case AddressFamily_FireFox:
87 case AddressFamily_Banyan:
88 case AddressFamily_Atm:
89 case AddressFamily_Cluster:
90 case AddressFamily_Ieee12844:
91 case AddressFamily_NetworkDesigners:
92 g_warning("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
93 break;
94
95 case AddressFamily_Unspecified:
96 family=AF_UNSPEC;
97 break;
98
99 case AddressFamily_Unix:
100 family=AF_UNIX;
101 break;
102
103 case AddressFamily_InterNetwork:
104 family=AF_INET;
105 break;
106
107 case AddressFamily_Ipx:
108 #ifdef AF_IPX
109 family=AF_IPX;
110 #endif
111 break;
112
113 case AddressFamily_Sna:
114 family=AF_SNA;
115 break;
116
117 case AddressFamily_DecNet:
118 family=AF_DECnet;
119 break;
120
121 case AddressFamily_AppleTalk:
122 family=AF_APPLETALK;
123 break;
124
125 case AddressFamily_InterNetworkV6:
126 #ifdef AF_INET6
127 family=AF_INET6;
128 #endif
129 break;
130 case AddressFamily_Irda:
131 #ifdef AF_IRDA
132 family=AF_IRDA;
133 #endif
134 break;
135 default:
136 g_warning("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
137 }
138
139 return(family);
140 }
141
142 static MonoAddressFamily convert_to_mono_family(guint16 af_family)
143 {
144 MonoAddressFamily family=AddressFamily_Unknown;
145
146 switch(af_family) {
147 case AF_UNSPEC:
148 family=AddressFamily_Unspecified;
149 break;
150
151 case AF_UNIX:
152 family=AddressFamily_Unix;
153 break;
154
155 case AF_INET:
156 family=AddressFamily_InterNetwork;
157 break;
158
159 #ifdef AF_IPX
160 case AF_IPX:
161 family=AddressFamily_Ipx;
162 break;
163 #endif
164
165 case AF_SNA:
166 family=AddressFamily_Sna;
167 break;
168
169 case AF_DECnet:
170 family=AddressFamily_DecNet;
171 break;
172
173 case AF_APPLETALK:
174 family=AddressFamily_AppleTalk;
175 break;
176
177 #ifdef AF_INET6
178 case AF_INET6:
179 family=AddressFamily_InterNetworkV6;
180 break;
181 #endif
182
183 #ifdef AF_IRDA
184 case AF_IRDA:
185 family=AddressFamily_Irda;
186 break;
187 #endif
188 default:
189 g_warning("unknown address family 0x%x", af_family);
190 }
191
192 return(family);
193 }
194
195 static gint32 convert_type(MonoSocketType mono_type)
196 {
197 gint32 type=-1;
198
199 switch(mono_type) {
200 case SocketType_Stream:
201 type=SOCK_STREAM;
202 break;
203
204 case SocketType_Dgram:
205 type=SOCK_DGRAM;
206 break;
207
208 case SocketType_Raw:
209 type=SOCK_RAW;
210 break;
211
212 case SocketType_Rdm:
213 type=SOCK_RDM;
214 break;
215
216 case SocketType_Seqpacket:
217 type=SOCK_SEQPACKET;
218 break;
219
220 case SocketType_Unknown:
221 g_warning("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
222 break;
223
224 default:
225 g_warning("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
226 }
227
228 return(type);
229 }
230
231 static gint32 convert_proto(MonoProtocolType mono_proto)
232 {
233 gint32 proto=-1;
234
235 switch(mono_proto) {
236 case ProtocolType_IP:
237 case ProtocolType_IPv6:
238 case ProtocolType_Icmp:
239 case ProtocolType_Igmp:
240 case ProtocolType_Ggp:
241 case ProtocolType_Tcp:
242 case ProtocolType_Pup:
243 case ProtocolType_Udp:
244 case ProtocolType_Idp:
245 /* These protocols are known (on my system at least) */
246 proto=mono_proto;
247 break;
248
249 case ProtocolType_ND:
250 case ProtocolType_Raw:
251 case ProtocolType_Ipx:
252 case ProtocolType_Spx:
253 case ProtocolType_SpxII:
254 case ProtocolType_Unknown:
255 /* These protocols arent */
256 g_warning("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
257 break;
258
259 default:
260 break;
261 }
262
263 return(proto);
264 }
265
266 static gint32 convert_sockopt_level_and_name(MonoSocketOptionLevel mono_level,
267 MonoSocketOptionName mono_name,
268 int *system_level,
269 int *system_name)
270 {
271 switch (mono_level) {
272 case SocketOptionLevel_Socket:
273 *system_level = SOL_SOCKET;
274
275 switch(mono_name) {
276 case SocketOptionName_DontLinger:
277 /* This is SO_LINGER, because the setsockopt
278 * internal call maps DontLinger to SO_LINGER
279 * with l_onoff=0
280 */
281 *system_name = SO_LINGER;
282 break;
283 case SocketOptionName_Debug:
284 *system_name = SO_DEBUG;
285 break;
286 #ifdef SO_ACCEPTCONN
287 case SocketOptionName_AcceptConnection:
288 *system_name = SO_ACCEPTCONN;
289 break;
290 #endif
291 case SocketOptionName_ReuseAddress:
292 *system_name = SO_REUSEADDR;
293 break;
294 case SocketOptionName_KeepAlive:
295 *system_name = SO_KEEPALIVE;
296 break;
297 case SocketOptionName_DontRoute:
298 *system_name = SO_DONTROUTE;
299 break;
300 case SocketOptionName_Broadcast:
301 *system_name = SO_BROADCAST;
302 break;
303 case SocketOptionName_Linger:
304 *system_name = SO_LINGER;
305 break;
306 case SocketOptionName_OutOfBandInline:
307 *system_name = SO_OOBINLINE;
308 break;
309 case SocketOptionName_SendBuffer:
310 *system_name = SO_SNDBUF;
311 break;
312 case SocketOptionName_ReceiveBuffer:
313 *system_name = SO_RCVBUF;
314 break;
315 case SocketOptionName_SendLowWater:
316 *system_name = SO_SNDLOWAT;
317 break;
318 case SocketOptionName_ReceiveLowWater:
319 *system_name = SO_RCVLOWAT;
320 break;
321 case SocketOptionName_SendTimeout:
322 *system_name = SO_SNDTIMEO;
323 break;
324 case SocketOptionName_ReceiveTimeout:
325 *system_name = SO_RCVTIMEO;
326 break;
327 case SocketOptionName_Error:
328 *system_name = SO_ERROR;
329 break;
330 case SocketOptionName_Type:
331 *system_name = SO_TYPE;
332 break;
333 #ifdef SO_PEERCRED
334 case SocketOptionName_PeerCred:
335 *system_name = SO_PEERCRED;
336 break;
337 #endif
338 case SocketOptionName_ExclusiveAddressUse:
339 case SocketOptionName_UseLoopback:
340 case SocketOptionName_MaxConnections:
341 /* Can't figure out how to map these, so fall
342 * through
343 */
344 default:
345 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
346 return(-1);
347 }
348 break;
349
350 case SocketOptionLevel_IP:
351 #ifdef HAVE_SOL_IP
352 *system_level = SOL_IP;
353 #else
354 if (1) {
355 static int cached = 0;
356 static int proto;
357
358 if (!cached) {
359 struct protoent *pent;
360
361 pent = getprotobyname ("IP");
362 proto = pent ? pent->p_proto : 0 /* 0 a good default value?? */;
363 cached = 1;
364 }
365
366 *system_level = proto;
367 }
368 #endif /* HAVE_SOL_IP */
369
370 switch(mono_name) {
371 case SocketOptionName_IPOptions:
372 *system_name = IP_OPTIONS;
373 break;
374 #ifdef IP_HDRINCL
375 case SocketOptionName_HeaderIncluded:
376 *system_name = IP_HDRINCL;
377 break;
378 #endif
379 #ifdef IP_TOS
380 case SocketOptionName_TypeOfService:
381 *system_name = IP_TOS;
382 break;
383 #endif
384 #ifdef IP_TTL
385 case SocketOptionName_IpTimeToLive:
386 *system_name = IP_TTL;
387 break;
388 #endif
389 case SocketOptionName_MulticastInterface:
390 *system_name = IP_MULTICAST_IF;
391 break;
392 case SocketOptionName_MulticastTimeToLive:
393 *system_name = IP_MULTICAST_TTL;
394 break;
395 case SocketOptionName_MulticastLoopback:
396 *system_name = IP_MULTICAST_LOOP;
397 break;
398 case SocketOptionName_AddMembership:
399 *system_name = IP_ADD_MEMBERSHIP;
400 break;
401 case SocketOptionName_DropMembership:
402 *system_name = IP_DROP_MEMBERSHIP;
403 break;
404 #ifdef HAVE_IP_PKTINFO
405 case SocketOptionName_PacketInformation:
406 *system_name = IP_PKTINFO;
407 break;
408 #endif /* HAVE_IP_PKTINFO */
409 case SocketOptionName_DontFragment:
410 case SocketOptionName_AddSourceMembership:
411 case SocketOptionName_DropSourceMembership:
412 case SocketOptionName_BlockSource:
413 case SocketOptionName_UnblockSource:
414 /* Can't figure out how to map these, so fall
415 * through
416 */
417 default:
418 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
419 return(-1);
420 }
421 break;
422
423 #ifdef AF_INET6
424 case SocketOptionLevel_IPv6:
425 #ifdef HAVE_SOL_IPV6
426 *system_level = SOL_IPV6;
427 #else
428 if (1) {
429 static int cached = 0;
430 static int proto;
431
432 if (!cached) {
433 struct protoent *pent;
434
435 pent = getprotobyname ("IPV6");
436 proto = pent ? pent->p_proto : 41 /* 41 a good default value?? */;
437 cached = 1;
438 }
439
440 *system_level = proto;
441 }
442 #endif /* HAVE_SOL_IPV6 */
443
444 switch(mono_name) {
445 case SocketOptionName_IpTimeToLive:
446 *system_name = IPV6_UNICAST_HOPS;
447 break;
448 case SocketOptionName_MulticastInterface:
449 *system_name = IPV6_MULTICAST_IF;
450 break;
451 case SocketOptionName_MulticastTimeToLive:
452 *system_name = IPV6_MULTICAST_HOPS;
453 break;
454 case SocketOptionName_MulticastLoopback:
455 *system_name = IPV6_MULTICAST_LOOP;
456 break;
457 case SocketOptionName_AddMembership:
458 *system_name = IPV6_JOIN_GROUP;
459 break;
460 case SocketOptionName_DropMembership:
461 *system_name = IPV6_LEAVE_GROUP;
462 break;
463 case SocketOptionName_PacketInformation:
464 *system_name = IPV6_PKTINFO;
465 break;
466 case SocketOptionName_HeaderIncluded:
467 case SocketOptionName_IPOptions:
468 case SocketOptionName_TypeOfService:
469 case SocketOptionName_DontFragment:
470 case SocketOptionName_AddSourceMembership:
471 case SocketOptionName_DropSourceMembership:
472 case SocketOptionName_BlockSource:
473 case SocketOptionName_UnblockSource:
474 /* Can't figure out how to map these, so fall
475 * through
476 */
477 default:
478 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
479 return(-1);
480 }
481
482 break; /* SocketOptionLevel_IPv6 */
483 #endif
484
485 case SocketOptionLevel_Tcp:
486 #ifdef HAVE_SOL_TCP
487 *system_level = SOL_TCP;
488 #else
489 if (1) {
490 static int cached = 0;
491 static int proto;
492
493 if (!cached) {
494 struct protoent *pent;
495
496 pent = getprotobyname ("TCP");
497 proto = pent ? pent->p_proto : 6 /* is 6 a good default value?? */;
498 cached = 1;
499 }
500
501 *system_level = proto;
502 }
503 #endif /* HAVE_SOL_TCP */
504
505 switch(mono_name) {
506 case SocketOptionName_NoDelay:
507 *system_name = TCP_NODELAY;
508 break;
509 #if 0
510 /* The documentation is talking complete
511 * bollocks here: rfc-1222 is titled
512 * 'Advancing the NSFNET Routing Architecture'
513 * and doesn't mention either of the words
514 * "expedite" or "urgent".
515 */
516 case SocketOptionName_BsdUrgent:
517 case SocketOptionName_Expedited:
518 #endif
519 default:
520 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
521 return(-1);
522 }
523 break;
524
525 case SocketOptionLevel_Udp:
526 g_warning("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
527
528 switch(mono_name) {
529 case SocketOptionName_NoChecksum:
530 case SocketOptionName_ChecksumCoverage:
531 default:
532 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
533 return(-1);
534 }
535 return(-1);
536 break;
537
538 default:
539 g_warning("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
540 return(-1);
541 }
542
543 return(0);
544 }
545
546 #define STASH_SYS_ASS(this) \
547 if(system_assembly == NULL) { \
548 system_assembly=mono_image_loaded ("System"); \
549 }
550
551 static MonoImage *system_assembly=NULL;
552
553
554 #ifdef AF_INET6
555 static gint32 get_family_hint(void)
556 {
557 MonoClass *socket_class;
558 MonoClassField *ipv6_field, *ipv4_field;
559 gint32 ipv6_enabled = -1, ipv4_enabled = -1;
560 MonoVTable *vtable;
561
562 socket_class = mono_class_from_name (system_assembly,
563 "System.Net.Sockets", "Socket");
564 ipv4_field = mono_class_get_field_from_name (socket_class,
565 "ipv4Supported");
566 ipv6_field = mono_class_get_field_from_name (socket_class,
567 "ipv6Supported");
568 vtable = mono_class_vtable (mono_domain_get (), socket_class);
569
570 mono_field_static_get_value(vtable, ipv4_field, &ipv4_enabled);
571 mono_field_static_get_value(vtable, ipv6_field, &ipv6_enabled);
572
573 if(ipv4_enabled == 1 && ipv6_enabled == 1) {
574 return(PF_UNSPEC);
575 } else if(ipv4_enabled == 1) {
576 return(PF_INET);
577 } else {
578 return(PF_INET6);
579 }
580 }
581 #endif
582
583 gpointer ves_icall_System_Net_Sockets_Socket_Socket_internal(MonoObject *this, gint32 family, gint32 type, gint32 proto, gint32 *error)
584 {
585 SOCKET sock;
586 gint32 sock_family;
587 gint32 sock_proto;
588 gint32 sock_type;
589
590 MONO_ARCH_SAVE_REGS;
591
592 STASH_SYS_ASS(this);
593
594 *error = 0;
595
596 sock_family=convert_family(family);
597 if(sock_family==-1) {
598 *error = WSAEAFNOSUPPORT;
599 return(NULL);
600 }
601
602 sock_proto=convert_proto(proto);
603 if(sock_proto==-1) {
604 *error = WSAEPROTONOSUPPORT;
605 return(NULL);
606 }
607
608 sock_type=convert_type(type);
609 if(sock_type==-1) {
610 *error = WSAESOCKTNOSUPPORT;
611 return(NULL);
612 }
613
614 sock = _wapi_socket (sock_family, sock_type, sock_proto,
615 NULL, 0, WSA_FLAG_OVERLAPPED);
616
617 if(sock==INVALID_SOCKET) {
618 *error = WSAGetLastError ();
619 return(NULL);
620 }
621
622 if (sock_family == AF_INET && sock_type == SOCK_DGRAM) {
623 return (GUINT_TO_POINTER (sock));
624 }
625
626 #ifdef AF_INET6
627 if (sock_family == AF_INET6 && sock_type == SOCK_DGRAM) {
628 return (GUINT_TO_POINTER (sock));
629 }
630 #endif
631
632 #ifndef PLATFORM_WIN32
633 /* .net seems to set this by default for SOCK_STREAM,
634 * not for SOCK_DGRAM (see bug #36322)
635 *
636 * It seems winsock has a rather different idea of what
637 * SO_REUSEADDR means. If it's set, then a new socket can be
638 * bound over an existing listening socket. There's a new
639 * windows-specific option called SO_EXCLUSIVEADDRUSE but
640 * using that means the socket MUST be closed properly, or a
641 * denial of service can occur. Luckily for us, winsock
642 * behaves as though any other system would when SO_REUSEADDR
643 * is true, so we don't need to do anything else here. See
644 * bug 53992.
645 */
646 {
647 int ret, true = 1;
648
649 ret = _wapi_setsockopt (sock, SOL_SOCKET, SO_REUSEADDR, &true, sizeof (true));
650 if(ret==SOCKET_ERROR) {
651 *error = WSAGetLastError ();
652
653 closesocket(sock);
654 return(NULL);
655 }
656 }
657 #endif
658
659 return(GUINT_TO_POINTER (sock));
660 }
661
662 /* FIXME: the SOCKET parameter (here and in other functions in this
663 * file) is really an IntPtr which needs to be converted to a guint32.
664 */
665 void ves_icall_System_Net_Sockets_Socket_Close_internal(SOCKET sock,
666 gint32 *error)
667 {
668 MONO_ARCH_SAVE_REGS;
669
670 #ifdef DEBUG
671 g_message (G_GNUC_PRETTY_FUNCTION ": closing 0x%x", sock);
672 #endif
673
674 *error = 0;
675
676 closesocket(sock);
677 }
678
679 gint32 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal(void)
680 {
681 MONO_ARCH_SAVE_REGS;
682
683 #ifdef DEBUG
684 g_message(G_GNUC_PRETTY_FUNCTION ": returning %d", WSAGetLastError());
685 #endif
686
687 return(WSAGetLastError());
688 }
689
690 gint32 ves_icall_System_Net_Sockets_Socket_Available_internal(SOCKET sock,
691 gint32 *error)
692 {
693 int ret;
694 gulong amount;
695
696 MONO_ARCH_SAVE_REGS;
697
698 *error = 0;
699
700 ret=ioctlsocket(sock, FIONREAD, &amount);
701 if(ret==SOCKET_ERROR) {
702 *error = WSAGetLastError ();
703 return(0);
704 }
705
706 return(amount);
707 }
708
709 void ves_icall_System_Net_Sockets_Socket_Blocking_internal(SOCKET sock,
710 gboolean block,
711 gint32 *error)
712 {
713 int ret;
714
715 MONO_ARCH_SAVE_REGS;
716
717 *error = 0;
718
719 ret = ioctlsocket (sock, FIONBIO, (gulong *) &block);
720 if(ret==SOCKET_ERROR) {
721 *error = WSAGetLastError ();
722 }
723 }
724
725 gpointer ves_icall_System_Net_Sockets_Socket_Accept_internal(SOCKET sock,
726 gint32 *error)
727 {
728 SOCKET newsock;
729
730 MONO_ARCH_SAVE_REGS;
731
732 *error = 0;
733
734 newsock = _wapi_accept (sock, NULL, 0);
735 if(newsock==INVALID_SOCKET) {
736 *error = WSAGetLastError ();
737 return(NULL);
738 }
739
740 return(GUINT_TO_POINTER (newsock));
741 }
742
743 void ves_icall_System_Net_Sockets_Socket_Listen_internal(SOCKET sock,
744 guint32 backlog,
745 gint32 *error)
746 {
747 int ret;
748
749 MONO_ARCH_SAVE_REGS;
750
751 *error = 0;
752
753 ret = _wapi_listen (sock, backlog);
754 if(ret==SOCKET_ERROR) {
755 *error = WSAGetLastError ();
756 }
757 }
758
759 static MonoObject *create_object_from_sockaddr(struct sockaddr *saddr,
760 int sa_size, gint32 *error)
761 {
762 MonoDomain *domain = mono_domain_get ();
763 MonoObject *sockaddr_obj;
764 MonoClass *sockaddr_class;
765 MonoClassField *field;
766 MonoArray *data;
767 MonoAddressFamily family;
768
769 /* Build a System.Net.SocketAddress object instance */
770 sockaddr_class=mono_class_from_name(system_assembly, "System.Net", "SocketAddress");
771 sockaddr_obj=mono_object_new(domain, sockaddr_class);
772
773 /* Locate the SocketAddress data buffer in the object */
774 field=mono_class_get_field_from_name(sockaddr_class, "data");
775
776 /* Make sure there is space for the family and size bytes */
777 data=mono_array_new(domain, mono_get_byte_class (), sa_size+2);
778
779 /* The data buffer is laid out as follows:
780 * byte 0 is the address family
781 * byte 1 is the buffer length
782 * bytes 2 and 3 are the port info
783 * the rest is the address info
784 */
785
786 family=convert_to_mono_family(saddr->sa_family);
787 if(family==AddressFamily_Unknown) {
788 *error = WSAEAFNOSUPPORT;
789 return(NULL);
790 }
791
792 mono_array_set(data, guint8, 0, family & 0x0FF);
793 mono_array_set(data, guint8, 1, ((family << 8) & 0x0FFFF));
794
795 if(saddr->sa_family==AF_INET) {
796 struct sockaddr_in *sa_in=(struct sockaddr_in *)saddr;
797 guint16 port=ntohs(sa_in->sin_port);
798 guint32 address=ntohl(sa_in->sin_addr.s_addr);
799
800 if(sa_size<8) {
801 mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
802 }
803
804 mono_array_set(data, guint8, 2, (port>>8) & 0xff);
805 mono_array_set(data, guint8, 3, (port) & 0xff);
806 mono_array_set(data, guint8, 4, (address>>24) & 0xff);
807 mono_array_set(data, guint8, 5, (address>>16) & 0xff);
808 mono_array_set(data, guint8, 6, (address>>8) & 0xff);
809 mono_array_set(data, guint8, 7, (address) & 0xff);
810
811 mono_field_set_value (sockaddr_obj, field, data);
812
813 return(sockaddr_obj);
814 #ifdef AF_INET6
815 } else if (saddr->sa_family == AF_INET6) {
816 struct sockaddr_in6 *sa_in=(struct sockaddr_in6 *)saddr;
817 int i;
818
819 guint16 port=ntohs(sa_in->sin6_port);
820
821 if(sa_size<28) {
822 mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
823 }
824
825 mono_array_set(data, guint8, 2, (port>>8) & 0xff);
826 mono_array_set(data, guint8, 3, (port) & 0xff);
827
828 for(i=0; i<16; i++) {
829 mono_array_set(data, guint8, 8+i,
830 sa_in->sin6_addr.s6_addr[i]);
831 }
832
833 mono_array_set(data, guint8, 24, sa_in->sin6_scope_id & 0xff);
834 mono_array_set(data, guint8, 25,
835 (sa_in->sin6_scope_id >> 8) & 0xff);
836 mono_array_set(data, guint8, 26,
837 (sa_in->sin6_scope_id >> 16) & 0xff);
838 mono_array_set(data, guint8, 27,
839 (sa_in->sin6_scope_id >> 24) & 0xff);
840
841 mono_field_set_value (sockaddr_obj, field, data);
842
843 return(sockaddr_obj);
844 #endif
845 #ifdef HAVE_SYS_UN_H
846 } else if (saddr->sa_family == AF_UNIX) {
847 int i;
848
849 for (i = 0; i < sa_size; i++) {
850 mono_array_set (data, guint8, i+2, saddr->sa_data[i]);
851 }
852
853 mono_field_set_value (sockaddr_obj, field, data);
854
855 return sockaddr_obj;
856 #endif
857 } else {
858 *error = WSAEAFNOSUPPORT;
859 return(NULL);
860 }
861 }
862
863 extern MonoObject *ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal(SOCKET sock, gint32 *error)
864 {
865 gchar sa[32]; /* sockaddr in not big enough for sockaddr_in6 */
866 int salen;
867 int ret;
868
869 MONO_ARCH_SAVE_REGS;
870
871 *error = 0;
872
873 salen=sizeof(sa);
874 ret = _wapi_getsockname (sock, (struct sockaddr *)sa, &salen);
875
876 if(ret==SOCKET_ERROR) {
877 *error = WSAGetLastError ();
878 return(NULL);
879 }
880
881 #ifdef DEBUG
882 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));
883 #endif
884
885 return(create_object_from_sockaddr((struct sockaddr *)sa, salen,
886 error));
887 }
888
889 extern MonoObject *ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal(SOCKET sock, gint32 *error)
890 {
891 gchar sa[32]; /* sockaddr in not big enough for sockaddr_in6 */
892 int salen;
893 int ret;
894
895 MONO_ARCH_SAVE_REGS;
896
897 *error = 0;
898
899 salen=sizeof(sa);
900 ret = _wapi_getpeername (sock, (struct sockaddr *)sa, &salen);
901
902 if(ret==SOCKET_ERROR) {
903 *error = WSAGetLastError ();
904 return(NULL);
905 }
906
907 #ifdef DEBUG
908 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));
909 #endif
910
911 return(create_object_from_sockaddr((struct sockaddr *)sa, salen,
912 error));
913 }
914
915 static struct sockaddr *create_sockaddr_from_object(MonoObject *saddr_obj,
916 int *sa_size,
917 gint32 *error)
918 {
919 MonoClassField *field;
920 MonoArray *data;
921 gint32 family;
922 int len;
923
924 /* Dig the SocketAddress data buffer out of the object */
925 field=mono_class_get_field_from_name(saddr_obj->vtable->klass, "data");
926 data=*(MonoArray **)(((char *)saddr_obj) + field->offset);
927
928 /* The data buffer is laid out as follows:
929 * byte 0 is the address family low byte
930 * byte 1 is the address family high byte
931 * INET:
932 * bytes 2 and 3 are the port info
933 * the rest is the address info
934 * UNIX:
935 * the rest is the file name
936 */
937 len = mono_array_length (data);
938 if (len < 2) {
939 mono_raise_exception (mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
940 }
941
942 family = convert_family (mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8));
943 if(family==AF_INET) {
944 struct sockaddr_in *sa=g_new0(struct sockaddr_in, 1);
945 guint16 port=(mono_array_get(data, guint8, 2) << 8) +
946 mono_array_get(data, guint8, 3);
947 guint32 address=(mono_array_get(data, guint8, 4) << 24) +
948 (mono_array_get(data, guint8, 5) << 16 ) +
949 (mono_array_get(data, guint8, 6) << 8) +
950 mono_array_get(data, guint8, 7);
951
952 sa->sin_family=family;
953 sa->sin_addr.s_addr=htonl(address);
954 sa->sin_port=htons(port);
955
956 *sa_size=sizeof(struct sockaddr_in);
957 return((struct sockaddr *)sa);
958
959 #ifdef AF_INET6
960 } else if (family == AF_INET6) {
961 struct sockaddr_in6 *sa=g_new0(struct sockaddr_in6, 1);
962 int i;
963
964 guint16 port = mono_array_get(data, guint8, 3) + (mono_array_get(data, guint8, 2) << 8);
965 guint32 scopeid = mono_array_get(data, guint8, 24) +
966 (mono_array_get(data, guint8, 25)<<8) +
967 (mono_array_get(data, guint8, 26)<<16) +
968 (mono_array_get(data, guint8, 27)<<24);
969
970 sa->sin6_family=family;
971 sa->sin6_port=htons(port);
972 sa->sin6_scope_id = scopeid;
973
974 for(i=0; i<16; i++)
975 sa->sin6_addr.s6_addr[i] = mono_array_get(data, guint8, 8+i);
976
977 *sa_size=sizeof(struct sockaddr_in6);
978 return((struct sockaddr *)sa);
979 #endif
980 #ifdef HAVE_SYS_UN_H
981 } else if (family == AF_UNIX) {
982 struct sockaddr_un *sock_un = g_new0 (struct sockaddr_un, 1);
983 int i;
984
985 if (len - 2 > MONO_SIZEOF_SUNPATH)
986 mono_raise_exception (mono_get_exception_index_out_of_range ());
987
988 sock_un->sun_family = family;
989 for (i = 0; i < len - 2; i++)
990 sock_un->sun_path [i] = mono_array_get (data, guint8,
991 i + 2);
992 sock_un->sun_path [len - 2] = '\0';
993 *sa_size = sizeof (struct sockaddr_un);
994
995 return (struct sockaddr *)sock_un;
996 #endif
997 } else {
998 *error = WSAEAFNOSUPPORT;
999 return(0);
1000 }
1001 }
1002
1003 extern void ves_icall_System_Net_Sockets_Socket_Bind_internal(SOCKET sock, MonoObject *sockaddr, gint32 *error)
1004 {
1005 struct sockaddr *sa;
1006 int sa_size;
1007 int ret;
1008
1009 MONO_ARCH_SAVE_REGS;
1010
1011 *error = 0;
1012
1013 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1014 if (*error != 0) {
1015 return;
1016 }
1017
1018 #ifdef DEBUG
1019 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));
1020 #endif
1021
1022 ret = _wapi_bind (sock, sa, sa_size);
1023 if(ret==SOCKET_ERROR) {
1024 *error = WSAGetLastError ();
1025 }
1026
1027 g_free(sa);
1028 }
1029
1030 enum {
1031 SelectModeRead,
1032 SelectModeWrite,
1033 SelectModeError
1034 };
1035
1036 MonoBoolean
1037 ves_icall_System_Net_Sockets_Socket_Poll_internal (SOCKET sock, gint mode,
1038 gint timeout, gint32 *error)
1039 {
1040 fd_set fds;
1041 int ret = 0;
1042 struct timeval tv;
1043 struct timeval *tvptr;
1044 div_t divvy;
1045
1046 MONO_ARCH_SAVE_REGS;
1047
1048 do {
1049 /* FIXME: in case of extra iteration (WSAEINTR), substract time
1050 * from the initial timeout */
1051 *error = 0;
1052 FD_ZERO (&fds);
1053 _wapi_FD_SET (sock, &fds);
1054 if (timeout >= 0) {
1055 divvy = div (timeout, 1000000);
1056 tv.tv_sec = divvy.quot;
1057 tv.tv_usec = divvy.rem;
1058 tvptr = &tv;
1059 } else {
1060 tvptr = NULL;
1061 }
1062
1063 if (mode == SelectModeRead) {
1064 ret = _wapi_select (0, &fds, NULL, NULL, tvptr);
1065 } else if (mode == SelectModeWrite) {
1066 ret = _wapi_select (0, NULL, &fds, NULL, tvptr);
1067 } else if (mode == SelectModeError) {
1068 ret = _wapi_select (0, NULL, NULL, &fds, tvptr);
1069 } else {
1070 g_assert_not_reached ();
1071 }
1072 } while ((ret == SOCKET_ERROR) && (*error == WSAGetLastError ()) == WSAEINTR);
1073
1074 return (ret != SOCKET_ERROR && _wapi_FD_ISSET (sock, &fds));
1075 }
1076
1077 extern void ves_icall_System_Net_Sockets_Socket_Connect_internal(SOCKET sock, MonoObject *sockaddr, gint32 *error)
1078 {
1079 struct sockaddr *sa;
1080 int sa_size;
1081 int ret;
1082
1083 MONO_ARCH_SAVE_REGS;
1084
1085 *error = 0;
1086
1087 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1088 if (*error != 0) {
1089 return;
1090 }
1091
1092 #ifdef DEBUG
1093 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));
1094 #endif
1095
1096 ret = _wapi_connect (sock, sa, sa_size);
1097 if(ret==SOCKET_ERROR) {
1098 *error = WSAGetLastError ();
1099 }
1100
1101 g_free(sa);
1102 }
1103
1104 gint32 ves_icall_System_Net_Sockets_Socket_Receive_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *error)
1105 {
1106 int ret;
1107 guchar *buf;
1108 gint32 alen;
1109 int recvflags=0;
1110
1111 MONO_ARCH_SAVE_REGS;
1112
1113 *error = 0;
1114
1115 alen=mono_array_length(buffer);
1116 if(offset+count>alen) {
1117 return(0);
1118 }
1119
1120 buf=mono_array_addr(buffer, guchar, offset);
1121
1122 ret = _wapi_recv (sock, buf, count, recvflags);
1123 if(ret==SOCKET_ERROR) {
1124 *error = WSAGetLastError ();
1125 return(0);
1126 }
1127
1128 return(ret);
1129 }
1130
1131 gint32 ves_icall_System_Net_Sockets_Socket_RecvFrom_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *error)
1132 {
1133 int ret;
1134 guchar *buf;
1135 gint32 alen;
1136 int recvflags=0;
1137 struct sockaddr *sa;
1138 int sa_size;
1139
1140 MONO_ARCH_SAVE_REGS;
1141
1142 *error = 0;
1143
1144 alen=mono_array_length(buffer);
1145 if(offset+count>alen) {
1146 return(0);
1147 }
1148
1149 sa=create_sockaddr_from_object(*sockaddr, &sa_size, error);
1150 if (*error != 0) {
1151 return(0);
1152 }
1153
1154 buf=mono_array_addr(buffer, guchar, offset);
1155
1156 ret = _wapi_recvfrom (sock, buf, count, recvflags, sa, &sa_size);
1157 if(ret==SOCKET_ERROR) {
1158 g_free(sa);
1159 *error = WSAGetLastError ();
1160 return(0);
1161 }
1162
1163 /* If we didn't get a socket size, then we're probably a
1164 * connected connection-oriented socket and the stack hasn't
1165 * returned the remote address. All we can do is return null.
1166 */
1167 if ( sa_size != 0 )
1168 *sockaddr=create_object_from_sockaddr(sa, sa_size, error);
1169 else
1170 *sockaddr=NULL;
1171
1172 g_free(sa);
1173
1174 return(ret);
1175 }
1176
1177 gint32 ves_icall_System_Net_Sockets_Socket_Send_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *error)
1178 {
1179 int ret;
1180 guchar *buf;
1181 gint32 alen;
1182 int sendflags=0;
1183
1184 MONO_ARCH_SAVE_REGS;
1185
1186 *error = 0;
1187
1188 alen=mono_array_length(buffer);
1189 if(offset+count>alen) {
1190 return(0);
1191 }
1192
1193 #ifdef DEBUG
1194 g_message(G_GNUC_PRETTY_FUNCTION ": alen: %d", alen);
1195 #endif
1196
1197 buf=mono_array_addr(buffer, guchar, offset);
1198
1199 #ifdef DEBUG
1200 g_message(G_GNUC_PRETTY_FUNCTION ": Sending %d bytes", count);
1201 #endif
1202
1203 ret = _wapi_send (sock, buf, count, sendflags);
1204 if(ret==SOCKET_ERROR) {
1205 *error = WSAGetLastError ();
1206 return(0);
1207 }
1208
1209 return(ret);
1210 }
1211
1212 gint32 ves_icall_System_Net_Sockets_Socket_SendTo_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *error)
1213 {
1214 int ret;
1215 guchar *buf;
1216 gint32 alen;
1217 int sendflags=0;
1218 struct sockaddr *sa;
1219 int sa_size;
1220
1221 MONO_ARCH_SAVE_REGS;
1222
1223 *error = 0;
1224
1225 alen=mono_array_length(buffer);
1226 if(offset+count>alen) {
1227 return(0);
1228 }
1229
1230 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1231 if(*error != 0) {
1232 return(0);
1233 }
1234
1235 #ifdef DEBUG
1236 g_message(G_GNUC_PRETTY_FUNCTION ": alen: %d", alen);
1237 #endif
1238
1239 buf=mono_array_addr(buffer, guchar, offset);
1240
1241 #ifdef DEBUG
1242 g_message(G_GNUC_PRETTY_FUNCTION ": Sending %d bytes", count);
1243 #endif
1244
1245 ret = _wapi_sendto (sock, buf, count, sendflags, sa, sa_size);
1246 if(ret==SOCKET_ERROR) {
1247 *error = WSAGetLastError ();
1248 }
1249
1250 g_free(sa);
1251
1252 return(ret);
1253 }
1254
1255 static SOCKET Socket_to_SOCKET(MonoObject *sockobj)
1256 {
1257 SOCKET sock;
1258 MonoClassField *field;
1259
1260 field=mono_class_get_field_from_name(sockobj->vtable->klass, "socket");
1261 sock=*(SOCKET *)(((char *)sockobj)+field->offset);
1262
1263 return(sock);
1264 }
1265
1266 void ves_icall_System_Net_Sockets_Socket_Select_internal(MonoArray **read_socks, MonoArray **write_socks, MonoArray **err_socks, gint32 timeout, gint32 *error)
1267 {
1268 fd_set readfds, writefds, errfds;
1269 fd_set *readptr = NULL, *writeptr = NULL, *errptr = NULL;
1270 struct timeval tv;
1271 div_t divvy;
1272 int ret;
1273 int readarrsize = 0, writearrsize = 0, errarrsize = 0;
1274 MonoDomain *domain=mono_domain_get();
1275 MonoClass *sock_arr_class;
1276 MonoArray *socks;
1277 int count;
1278 int i;
1279 SOCKET handle;
1280
1281 MONO_ARCH_SAVE_REGS;
1282
1283 if (*read_socks)
1284 readarrsize=mono_array_length(*read_socks);
1285
1286 *error = 0;
1287
1288 if(readarrsize>FD_SETSIZE) {
1289 *error = WSAEFAULT;
1290 return;
1291 }
1292
1293 if (readarrsize) {
1294 readptr = &readfds;
1295 FD_ZERO(&readfds);
1296 for(i=0; i<readarrsize; i++) {
1297 handle = Socket_to_SOCKET(mono_array_get(*read_socks, MonoObject *, i));
1298 _wapi_FD_SET(handle, &readfds);
1299 }
1300 }
1301
1302 if (*write_socks)
1303 writearrsize=mono_array_length(*write_socks);
1304
1305 if(writearrsize>FD_SETSIZE) {
1306 *error = WSAEFAULT;
1307 return;
1308 }
1309
1310 if (writearrsize) {
1311 writeptr = &writefds;
1312 FD_ZERO(&writefds);
1313 for(i=0; i<writearrsize; i++) {
1314 handle = Socket_to_SOCKET(mono_array_get(*write_socks, MonoObject *, i));
1315 _wapi_FD_SET(handle, &writefds);
1316 }
1317 }
1318
1319 if (*err_socks)
1320 errarrsize=mono_array_length(*err_socks);
1321
1322 if(errarrsize>FD_SETSIZE) {
1323 *error = WSAEFAULT;
1324 return;
1325 }
1326
1327 if (errarrsize) {
1328 errptr = &errfds;
1329 FD_ZERO(&errfds);
1330 for(i=0; i<errarrsize; i++) {
1331 handle = Socket_to_SOCKET(mono_array_get(*err_socks, MonoObject *, i));
1332 _wapi_FD_SET(handle, &errfds);
1333 }
1334 }
1335
1336 /* Negative timeout meaning block until ready is only
1337 * specified in Poll, not Select
1338 */
1339
1340 divvy = div (timeout, 1000000);
1341
1342 do {
1343 if(timeout>=0) {
1344 tv.tv_sec=divvy.quot;
1345 tv.tv_usec=divvy.rem;
1346
1347 ret = _wapi_select (0, readptr, writeptr, errptr, &tv);
1348 } else {
1349 ret = _wapi_select (0, readptr, writeptr, errptr, NULL);
1350 }
1351 } while ((ret==SOCKET_ERROR) && (WSAGetLastError() == WSAEINTR));
1352
1353 if(ret==SOCKET_ERROR) {
1354 *error = WSAGetLastError ();
1355 return;
1356 }
1357
1358 if (readarrsize) {
1359 sock_arr_class=((MonoObject *)*read_socks)->vtable->klass;
1360
1361 count=0;
1362 for(i=0; i<readarrsize; i++) {
1363 if(_wapi_FD_ISSET(Socket_to_SOCKET(mono_array_get(*read_socks, MonoObject *, i)), &readfds)) {
1364 count++;
1365 }
1366 }
1367 socks=mono_array_new_full(domain, sock_arr_class, &count, NULL);
1368 count=0;
1369 for(i=0; i<readarrsize; i++) {
1370 MonoObject *sock=mono_array_get(*read_socks, MonoObject *, i);
1371
1372 if(_wapi_FD_ISSET(Socket_to_SOCKET(sock), &readfds)) {
1373 mono_array_set(socks, MonoObject *, count, sock);
1374 count++;
1375 }
1376 }
1377 *read_socks=socks;
1378 } else {
1379 *read_socks = NULL;
1380 }
1381
1382 if (writearrsize) {
1383 sock_arr_class=((MonoObject *)*write_socks)->vtable->klass;
1384 count=0;
1385 for(i=0; i<writearrsize; i++) {
1386 if(_wapi_FD_ISSET(Socket_to_SOCKET(mono_array_get(*write_socks, MonoObject *, i)), &writefds)) {
1387 count++;
1388 }
1389 }
1390 socks=mono_array_new_full(domain, sock_arr_class, &count, NULL);
1391 count=0;
1392 for(i=0; i<writearrsize; i++) {
1393 MonoObject *sock=mono_array_get(*write_socks, MonoObject *, i);
1394
1395 if(_wapi_FD_ISSET(Socket_to_SOCKET(sock), &writefds)) {
1396 mono_array_set(socks, MonoObject *, count, sock);
1397 count++;
1398 }
1399 }
1400 *write_socks=socks;
1401 } else {
1402 *write_socks = NULL;
1403 }
1404
1405 if (errarrsize) {
1406 sock_arr_class=((MonoObject *)*err_socks)->vtable->klass;
1407 count=0;
1408 for(i=0; i<errarrsize; i++) {
1409 if(_wapi_FD_ISSET(Socket_to_SOCKET(mono_array_get(*err_socks, MonoObject *, i)), &errfds)) {
1410 count++;
1411 }
1412 }
1413 socks=mono_array_new_full(domain, sock_arr_class, &count, NULL);
1414 count=0;
1415 for(i=0; i<errarrsize; i++) {
1416 MonoObject *sock=mono_array_get(*err_socks, MonoObject *, i);
1417
1418 if(_wapi_FD_ISSET(Socket_to_SOCKET(sock), &errfds)) {
1419 mono_array_set(socks, MonoObject *, count, sock);
1420 count++;
1421 }
1422 }
1423 *err_socks=socks;
1424 }
1425 }
1426
1427 static MonoObject* int_to_object (MonoDomain *domain, int val)
1428 {
1429 return mono_value_box (domain, mono_get_int32_class (), &val);
1430 }
1431
1432
1433 void ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal(SOCKET sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *error)
1434 {
1435 int system_level;
1436 int system_name;
1437 int ret;
1438 int val;
1439 int valsize=sizeof(val);
1440 struct linger linger;
1441 int lingersize=sizeof(linger);
1442 struct timeval tv;
1443 int tvsize=sizeof(tv);
1444 #ifdef SO_PEERCRED
1445 struct ucred cred;
1446 int credsize = sizeof(cred);
1447 #endif
1448 MonoDomain *domain=mono_domain_get();
1449 MonoObject *obj;
1450 MonoClass *obj_class;
1451 MonoClassField *field;
1452
1453 MONO_ARCH_SAVE_REGS;
1454
1455 *error = 0;
1456
1457 ret=convert_sockopt_level_and_name(level, name, &system_level,
1458 &system_name);
1459 if(ret==-1) {
1460 *error = WSAENOPROTOOPT;
1461 return;
1462 }
1463
1464 /* No need to deal with MulticastOption names here, because
1465 * you cant getsockopt AddMembership or DropMembership (the
1466 * int getsockopt will error, causing an exception)
1467 */
1468 switch(name) {
1469 case SocketOptionName_Linger:
1470 case SocketOptionName_DontLinger:
1471 ret = _wapi_getsockopt(sock, system_level, system_name, &linger,
1472 &lingersize);
1473 break;
1474
1475 case SocketOptionName_SendTimeout:
1476 case SocketOptionName_ReceiveTimeout:
1477 ret = _wapi_getsockopt (sock, system_level, system_name, &tv,
1478 &tvsize);
1479 break;
1480
1481 #ifdef SO_PEERCRED
1482 case SocketOptionName_PeerCred:
1483 ret = _wapi_getsockopt (sock, system_level, system_name, &cred,
1484 &credsize);
1485 break;
1486 #endif
1487
1488 default:
1489 ret = _wapi_getsockopt (sock, system_level, system_name, &val,
1490 &valsize);
1491 }
1492
1493 if(ret==SOCKET_ERROR) {
1494 *error = WSAGetLastError ();
1495 return;
1496 }
1497
1498 switch(name) {
1499 case SocketOptionName_Linger:
1500 /* build a System.Net.Sockets.LingerOption */
1501 obj_class=mono_class_from_name(system_assembly,
1502 "System.Net.Sockets",
1503 "LingerOption");
1504 obj=mono_object_new(domain, obj_class);
1505
1506 /* Locate and set the fields "bool enabled" and "int
1507 * seconds"
1508 */
1509 field=mono_class_get_field_from_name(obj_class, "enabled");
1510 *(guint8 *)(((char *)obj)+field->offset)=linger.l_onoff;
1511
1512 field=mono_class_get_field_from_name(obj_class, "seconds");
1513 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1514
1515 break;
1516
1517 case SocketOptionName_DontLinger:
1518 /* construct a bool int in val - true if linger is off */
1519 obj = int_to_object (domain, !linger.l_onoff);
1520 break;
1521
1522 case SocketOptionName_SendTimeout:
1523 case SocketOptionName_ReceiveTimeout:
1524 obj = int_to_object (domain, (tv.tv_sec * 1000) + (tv.tv_usec / 1000));
1525 break;
1526
1527 #ifdef SO_PEERCRED
1528 case SocketOptionName_PeerCred:
1529 {
1530 /* build a Mono.Posix.PeerCred+PeerCredData if
1531 * possible
1532 */
1533 MonoImage *mono_posix_image = mono_image_loaded ("Mono.Posix");
1534 MonoPeerCredData *cred_data;
1535
1536 if (mono_posix_image == NULL) {
1537 *error = WSAENOPROTOOPT;
1538 return;
1539 }
1540
1541 obj_class = mono_class_from_name(mono_posix_image,
1542 "Mono.Posix",
1543 "PeerCred/PeerCredData");
1544 obj = mono_object_new(domain, obj_class);
1545 cred_data = (MonoPeerCredData *)obj;
1546 cred_data->pid = cred.pid;
1547 cred_data->uid = cred.uid;
1548 cred_data->gid = cred.gid;
1549 break;
1550 }
1551 #endif
1552
1553 default:
1554 obj = int_to_object (domain, val);
1555 }
1556
1557 *obj_val=obj;
1558 }
1559
1560 void ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal(SOCKET sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *error)
1561 {
1562 int system_level;
1563 int system_name;
1564 int ret;
1565 guchar *buf;
1566 int valsize;
1567
1568 MONO_ARCH_SAVE_REGS;
1569
1570 *error = 0;
1571
1572 ret=convert_sockopt_level_and_name(level, name, &system_level,
1573 &system_name);
1574 if(ret==-1) {
1575 *error = WSAENOPROTOOPT;
1576 return;
1577 }
1578
1579 valsize=mono_array_length(*byte_val);
1580 buf=mono_array_addr(*byte_val, guchar, 0);
1581
1582 ret = _wapi_getsockopt (sock, system_level, system_name, buf, &valsize);
1583 if(ret==SOCKET_ERROR) {
1584 *error = WSAGetLastError ();
1585 }
1586 }
1587
1588 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
1589 static struct in_addr ipaddress_to_struct_in_addr(MonoObject *ipaddr)
1590 {
1591 struct in_addr inaddr;
1592 MonoClassField *field;
1593
1594 field=mono_class_get_field_from_name(ipaddr->vtable->klass, "address");
1595
1596 /* No idea why .net uses a 64bit type to hold a 32bit value...
1597 *
1598 * Internal value of IPAddess is in Network Order, there is no need
1599 * to call htonl here.
1600 */
1601 inaddr.s_addr=(guint32)*(guint64 *)(((char *)ipaddr)+field->offset);
1602
1603 return(inaddr);
1604 }
1605 #endif
1606
1607 #ifdef AF_INET6
1608 static struct in6_addr ipaddress_to_struct_in6_addr(MonoObject *ipaddr)
1609 {
1610 struct in6_addr in6addr;
1611 MonoClassField *field;
1612 MonoArray *data;
1613 int i;
1614
1615 field=mono_class_get_field_from_name(ipaddr->vtable->klass, "_numbers");
1616 data=*(MonoArray **)(((char *)ipaddr) + field->offset);
1617
1618 /* Solaris has only the 8 bit version. */
1619 #ifndef s6_addr16
1620 for(i=0; i<8; i++) {
1621 guint16 s = mono_array_get (data, guint16, i);
1622 in6addr.s6_addr[2 * i] = (s >> 8) & 0xff;
1623 in6addr.s6_addr[2 * i + 1] = s & 0xff;
1624 }
1625 #else
1626 for(i=0; i<8; i++)
1627 in6addr.s6_addr16[i] = mono_array_get (data, guint16, i);
1628 #endif
1629 return(in6addr);
1630 }
1631 #endif /* AF_INET6 */
1632
1633 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)
1634 {
1635 int system_level;
1636 int system_name;
1637 int ret;
1638 #ifdef AF_INET6
1639 int sol_ip;
1640 int sol_ipv6;
1641
1642 *error = 0;
1643
1644 #ifdef HAVE_SOL_IPV6
1645 sol_ipv6 = SOL_IPV6;
1646 #else
1647 {
1648 struct protoent *pent;
1649 pent = getprotobyname ("ipv6");
1650 sol_ipv6 = (pent != NULL) ? pent->p_proto : 41;
1651 }
1652 #endif
1653
1654 #ifdef HAVE_SOL_IP
1655 sol_ip = SOL_IP;
1656 #else
1657 {
1658 struct protoent *pent;
1659 pent = getprotobyname ("ip");
1660 sol_ip = (pent != NULL) ? pent->p_proto : 0;
1661 }
1662 #endif
1663 #endif /* AF_INET6 */
1664
1665 MONO_ARCH_SAVE_REGS;
1666
1667 ret=convert_sockopt_level_and_name(level, name, &system_level,
1668 &system_name);
1669 if(ret==-1) {
1670 *error = WSAENOPROTOOPT;
1671 return;
1672 }
1673
1674 /* Only one of obj_val, byte_val or int_val has data */
1675 if(obj_val!=NULL) {
1676 MonoClassField *field;
1677 struct linger linger;
1678 int valsize;
1679
1680 switch(name) {
1681 case SocketOptionName_DontLinger:
1682 linger.l_onoff=0;
1683 linger.l_linger=0;
1684 valsize=sizeof(linger);
1685 ret = _wapi_setsockopt (sock, system_level,
1686 system_name, &linger, valsize);
1687 break;
1688
1689 case SocketOptionName_Linger:
1690 /* Dig out "bool enabled" and "int seconds"
1691 * fields
1692 */
1693 field=mono_class_get_field_from_name(obj_val->vtable->klass, "enabled");
1694 linger.l_onoff=*(guint8 *)(((char *)obj_val)+field->offset);
1695 field=mono_class_get_field_from_name(obj_val->vtable->klass, "seconds");
1696 linger.l_linger=*(guint32 *)(((char *)obj_val)+field->offset);
1697
1698 valsize=sizeof(linger);
1699 ret = _wapi_setsockopt (sock, system_level,
1700 system_name, &linger, valsize);
1701 break;
1702 case SocketOptionName_AddMembership:
1703 case SocketOptionName_DropMembership:
1704 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
1705 {
1706 MonoObject *address = NULL;
1707
1708 #ifdef AF_INET6
1709 if(system_level == sol_ipv6) {
1710 struct ipv6_mreq mreq6;
1711
1712 /*
1713 * Get group address
1714 */
1715 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
1716 address = *(gpointer *)(((char *)obj_val) + field->offset);
1717
1718 if(address) {
1719 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
1720 }
1721
1722 field=mono_class_get_field_from_name(obj_val->vtable->klass, "ifIndex");
1723 mreq6.ipv6mr_interface =*(guint64 *)(((char *)obj_val)+field->offset);
1724
1725 ret = _wapi_setsockopt (sock, system_level,
1726 system_name, &mreq6,
1727 sizeof (mreq6));
1728 } else if(system_level == sol_ip)
1729 #endif /* AF_INET6 */
1730 {
1731 #ifdef HAVE_STRUCT_IP_MREQN
1732 struct ip_mreqn mreq = {{0}};
1733 #else
1734 struct ip_mreq mreq = {{0}};
1735 #endif /* HAVE_STRUCT_IP_MREQN */
1736
1737 /* pain! MulticastOption holds two IPAddress
1738 * members, so I have to dig the value out of
1739 * those :-(
1740 */
1741 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
1742 address = *(gpointer *)(((char *)obj_val) + field->offset);
1743
1744 /* address might not be defined and if so, set the address to ADDR_ANY.
1745 */
1746 if(address) {
1747 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
1748 }
1749
1750 field = mono_class_get_field_from_name (obj_val->vtable->klass, "local");
1751 address = *(gpointer *)(((char *)obj_val) + field->offset);
1752
1753 #ifdef HAVE_STRUCT_IP_MREQN
1754 if(address) {
1755 mreq.imr_address = ipaddress_to_struct_in_addr (address);
1756 }
1757 #else
1758 if(address) {
1759 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
1760 }
1761 #endif /* HAVE_STRUCT_IP_MREQN */
1762
1763 ret = _wapi_setsockopt (sock, system_level,
1764 system_name, &mreq,
1765 sizeof (mreq));
1766 }
1767 break;
1768 }
1769 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
1770 default:
1771 /* Cause an exception to be thrown */
1772 *error = WSAEINVAL;
1773 return;
1774 }
1775 } else if (byte_val!=NULL) {
1776 int valsize=mono_array_length(byte_val);
1777 guchar *buf=mono_array_addr(byte_val, guchar, 0);
1778
1779 ret = _wapi_setsockopt (sock, system_level, system_name, buf, valsize);
1780 if(ret==SOCKET_ERROR) {
1781 *error = WSAGetLastError ();
1782 return;
1783 }
1784 } else {
1785 switch(name) {
1786 case SocketOptionName_SendTimeout:
1787 case SocketOptionName_ReceiveTimeout: {
1788 struct timeval tv;
1789 tv.tv_sec = int_val / 1000;
1790 tv.tv_usec = (int_val % 1000) * 1000;
1791 ret = _wapi_setsockopt (sock, system_level, system_name, &tv, sizeof (tv));
1792 break;
1793 }
1794 default:
1795 ret = _wapi_setsockopt (sock, system_level, system_name, &int_val,
1796 sizeof(int_val));
1797 }
1798 }
1799
1800 if(ret==SOCKET_ERROR) {
1801 *error = WSAGetLastError ();
1802 }
1803 }
1804
1805 void ves_icall_System_Net_Sockets_Socket_Shutdown_internal(SOCKET sock,
1806 gint32 how,
1807 gint32 *error)
1808 {
1809 int ret;
1810
1811 MONO_ARCH_SAVE_REGS;
1812
1813 *error = 0;
1814
1815 /* Currently, the values for how (recv=0, send=1, both=2) match
1816 * the BSD API
1817 */
1818 ret = _wapi_shutdown (sock, how);
1819 if(ret==SOCKET_ERROR) {
1820 *error = WSAGetLastError ();
1821 }
1822 }
1823
1824 gint
1825 ves_icall_System_Net_Sockets_Socket_WSAIoctl (SOCKET sock, gint32 code,
1826 MonoArray *input,
1827 MonoArray *output, gint32 *error)
1828 {
1829 gulong output_bytes = 0;
1830 gchar *i_buffer, *o_buffer;
1831 gint i_len, o_len;
1832 gint ret;
1833
1834 MONO_ARCH_SAVE_REGS;
1835
1836 *error = 0;
1837
1838 if (code == FIONBIO) {
1839 /* Invalid command. Must use Socket.Blocking */
1840 return -1;
1841 }
1842
1843 if (input == NULL) {
1844 i_buffer = NULL;
1845 i_len = 0;
1846 } else {
1847 i_buffer = mono_array_addr (input, gchar, 0);
1848 i_len = mono_array_length (input);
1849 }
1850
1851 if (output == NULL) {
1852 o_buffer = NULL;
1853 o_len = 0;
1854 } else {
1855 o_buffer = mono_array_addr (output, gchar, 0);
1856 o_len = mono_array_length (output);
1857 }
1858
1859 ret = WSAIoctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes, NULL, NULL);
1860 if (ret == SOCKET_ERROR) {
1861 *error = WSAGetLastError ();
1862 return(-1);
1863 }
1864
1865 return (gint) output_bytes;
1866 }
1867
1868 #ifndef AF_INET6
1869 static gboolean hostent_to_IPHostEntry(struct hostent *he, MonoString **h_name,
1870 MonoArray **h_aliases,
1871 MonoArray **h_addr_list)
1872 {
1873 MonoDomain *domain = mono_domain_get ();
1874 int i;
1875
1876 if(he->h_length!=4 || he->h_addrtype!=AF_INET) {
1877 return(FALSE);
1878 }
1879
1880 *h_name=mono_string_new(domain, he->h_name);
1881
1882 i=0;
1883 while(he->h_aliases[i]!=NULL) {
1884 i++;
1885 }
1886
1887 *h_aliases=mono_array_new(domain, mono_get_string_class (), i);
1888 i=0;
1889 while(he->h_aliases[i]!=NULL) {
1890 MonoString *alias;
1891
1892 alias=mono_string_new(domain, he->h_aliases[i]);
1893 mono_array_set(*h_aliases, MonoString *, i, alias);
1894 i++;
1895 }
1896
1897 i=0;
1898 while(he->h_addr_list[i]!=NULL) {
1899 i++;
1900 }
1901
1902 *h_addr_list=mono_array_new(domain, mono_get_string_class (), i);
1903 i=0;
1904 while(he->h_addr_list[i]!=NULL) {
1905 MonoString *addr_string;
1906 char addr[16];
1907
1908 g_snprintf(addr, 16, "%u.%u.%u.%u",
1909 (unsigned char)he->h_addr_list[i][0],
1910 (unsigned char)he->h_addr_list[i][1],
1911 (unsigned char)he->h_addr_list[i][2],
1912 (unsigned char)he->h_addr_list[i][3]);
1913
1914 addr_string=mono_string_new(domain, addr);
1915 mono_array_set(*h_addr_list, MonoString *, i, addr_string);
1916 i++;
1917 }
1918
1919 return(TRUE);
1920 }
1921 #endif
1922
1923 #if defined(AF_INET6) && defined(HAVE_GETHOSTBYNAME2_R)
1924 static gboolean hostent_to_IPHostEntry2(struct hostent *he1,struct hostent *he2, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
1925 {
1926 MonoDomain *domain = mono_domain_get ();
1927 int i, host_count, host_index, family_hint;
1928
1929 family_hint = get_family_hint ();
1930
1931 if(he1 == NULL && he2 == NULL) {
1932 return(FALSE);
1933 }
1934
1935 /*
1936 * Check if address length and family are correct
1937 */
1938 if (he1 != NULL && (he1->h_length!=4 || he1->h_addrtype!=AF_INET)) {
1939 return(FALSE);
1940 }
1941
1942 if (he2 != NULL && (he2->h_length!=16 || he2->h_addrtype!=AF_INET6)) {
1943 return(FALSE);
1944 }
1945
1946 /*
1947 * Get the aliases and host name from he1 or he2 whichever is
1948 * not null, if he1 is not null then take aliases from he1
1949 */
1950 if (he1 != NULL && (family_hint == PF_UNSPEC ||
1951 family_hint == PF_INET)) {
1952 *h_name=mono_string_new (domain, he1->h_name);
1953
1954 i=0;
1955 while(he1->h_aliases[i]!=NULL) {
1956 i++;
1957 }
1958
1959 *h_aliases=mono_array_new (domain, mono_get_string_class (),
1960 i);
1961 i=0;
1962 while(he1->h_aliases[i]!=NULL) {
1963 MonoString *alias;
1964
1965 alias=mono_string_new (domain, he1->h_aliases[i]);
1966 mono_array_set (*h_aliases, MonoString *, i, alias);
1967 i++;
1968 }
1969 } else if (family_hint == PF_UNSPEC || family_hint == PF_INET6) {
1970 *h_name=mono_string_new (domain, he2->h_name);
1971
1972 i=0;
1973 while(he2->h_aliases [i] != NULL) {
1974 i++;
1975 }
1976
1977 *h_aliases=mono_array_new (domain, mono_get_string_class (),
1978 i);
1979 i=0;
1980 while(he2->h_aliases[i]!=NULL) {
1981 MonoString *alias;
1982
1983 alias=mono_string_new (domain, he2->h_aliases[i]);
1984 mono_array_set (*h_aliases, MonoString *, i, alias);
1985 i++;
1986 }
1987 }
1988
1989 /*
1990 * Count the number of addresses in he1 + he2
1991 */
1992 host_count = 0;
1993 if (he1 != NULL && (family_hint == PF_UNSPEC ||
1994 family_hint == PF_INET)) {
1995 i=0;
1996 while(he1->h_addr_list[i]!=NULL) {
1997 i++;
1998 host_count++;
1999 }
2000 }
2001
2002 if (he2 != NULL && (family_hint == PF_UNSPEC ||
2003 family_hint == PF_INET6)) {
2004 i=0;
2005 while(he2->h_addr_list[i]!=NULL) {
2006 i++;
2007 host_count++;
2008 }
2009 }
2010
2011 /*
2012 * Fills the array
2013 */
2014 *h_addr_list=mono_array_new (domain, mono_get_string_class (),
2015 host_count);
2016
2017 host_index = 0;
2018
2019 if (he2 != NULL && (family_hint == PF_UNSPEC ||
2020 family_hint == PF_INET6)) {
2021 i = 0;
2022 while(he2->h_addr_list[i] != NULL) {
2023 MonoString *addr_string;
2024 char addr[40];
2025
2026 inet_ntop (AF_INET6, he2->h_addr_list[i], addr,
2027 sizeof(addr));
2028
2029 addr_string = mono_string_new (domain, addr);
2030 mono_array_set (*h_addr_list, MonoString *, host_index,
2031 addr_string);
2032 i++;
2033 host_index++;
2034 }
2035 }
2036
2037 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2038 family_hint == PF_INET)) {
2039 i=0;
2040 while(he1->h_addr_list[i] != NULL) {
2041 MonoString *addr_string;
2042 char addr[17];
2043
2044 inet_ntop (AF_INET, he1->h_addr_list[i], addr,
2045 sizeof(addr));
2046
2047 addr_string=mono_string_new (domain, addr);
2048 mono_array_set (*h_addr_list, MonoString *, host_index,
2049 addr_string);
2050 i++;
2051 host_index++;
2052 }
2053 }
2054
2055 return(TRUE);
2056 }
2057 #endif
2058
2059 #if defined(AF_INET6)
2060 static gboolean
2061 addrinfo_to_IPHostEntry(struct addrinfo *info, MonoString **h_name,
2062 MonoArray **h_aliases,
2063 MonoArray **h_addr_list)
2064 {
2065 gint32 count, i;
2066 struct addrinfo *ai = NULL;
2067
2068 MonoDomain *domain = mono_domain_get ();
2069
2070 for (count=0, ai=info; ai!=NULL; ai=ai->ai_next) {
2071 if((ai->ai_family != PF_INET) && (ai->ai_family != PF_INET6)) {
2072 continue;
2073 }
2074
2075 count++;
2076 }
2077
2078 *h_aliases=mono_array_new(domain, mono_get_string_class (), 0);
2079 *h_addr_list=mono_array_new(domain, mono_get_string_class (), count);
2080
2081 for (ai=info, i=0; ai!=NULL; ai=ai->ai_next) {
2082 MonoString *addr_string;
2083 const char *ret;
2084 char *buffer;
2085 gint32 buffer_size = 0;
2086
2087 if((ai->ai_family != PF_INET) && (ai->ai_family != PF_INET6)) {
2088 continue;
2089 }
2090
2091 buffer_size = 256;
2092 do {
2093 buffer = g_malloc0(buffer_size);
2094
2095 if(ai->ai_family == PF_INET) {
2096 ret = inet_ntop(ai->ai_family, (void*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr), buffer, buffer_size);
2097 } else {
2098 ret = inet_ntop(ai->ai_family, (void*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr), buffer, buffer_size);
2099 }
2100
2101 if(ret == 0) {
2102 g_free(buffer);
2103 buffer_size += 256;
2104 }
2105 } while(ret == 0 && errno == ENOSPC);
2106
2107 if(ret) {
2108 addr_string=mono_string_new(domain, buffer);
2109 g_free(buffer);
2110 } else {
2111 addr_string=mono_string_new(domain, "");
2112 }
2113
2114 mono_array_set(*h_addr_list, MonoString *, i, addr_string);
2115
2116 if(!i && ai->ai_canonname != NULL) {
2117 *h_name=mono_string_new(domain, ai->ai_canonname);
2118 }
2119
2120 i++;
2121 }
2122
2123 if(info) {
2124 freeaddrinfo(info);
2125 }
2126
2127 return(TRUE);
2128 }
2129 #endif
2130
2131 #ifdef AF_INET6
2132 MonoBoolean ves_icall_System_Net_Dns_GetHostByName_internal(MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2133 {
2134 #if !defined(HAVE_GETHOSTBYNAME2_R)
2135 struct addrinfo *info = NULL, hints;
2136 char *hostname;
2137
2138 MONO_ARCH_SAVE_REGS;
2139
2140 hostname=mono_string_to_utf8 (host);
2141
2142 memset(&hints, 0, sizeof(hints));
2143 hints.ai_family = get_family_hint ();
2144 hints.ai_socktype = SOCK_STREAM;
2145 hints.ai_flags = AI_CANONNAME;
2146
2147 if (getaddrinfo(hostname, NULL, &hints, &info) == -1) {
2148 return(FALSE);
2149 }
2150
2151 g_free(hostname);
2152
2153 return(addrinfo_to_IPHostEntry(info, h_name, h_aliases, h_addr_list));
2154 #else
2155 struct hostent he1,*hp1, he2, *hp2;
2156 int buffer_size1, buffer_size2;
2157 char *buffer1, *buffer2;
2158 int herr;
2159 gboolean return_value;
2160 char *hostname;
2161
2162 MONO_ARCH_SAVE_REGS;
2163
2164 hostname=mono_string_to_utf8 (host);
2165
2166 buffer_size1 = 512;
2167 buffer_size2 = 512;
2168 buffer1 = g_malloc0(buffer_size1);
2169 buffer2 = g_malloc0(buffer_size2);
2170
2171 while (gethostbyname2_r(hostname, AF_INET, &he1, buffer1, buffer_size1,
2172 &hp1, &herr) == ERANGE) {
2173 buffer_size1 *= 2;
2174 buffer1 = g_realloc(buffer1, buffer_size1);
2175 }
2176
2177 if (hp1 == NULL)
2178 {
2179 while (gethostbyname2_r(hostname, AF_INET6, &he2, buffer2,
2180 buffer_size2, &hp2, &herr) == ERANGE) {
2181 buffer_size2 *= 2;
2182 buffer2 = g_realloc(buffer2, buffer_size2);
2183 }
2184 }
2185 else
2186 hp2 = NULL;
2187
2188 return_value = hostent_to_IPHostEntry2(hp1, hp2, h_name, h_aliases,
2189 h_addr_list);
2190
2191 g_free(buffer1);
2192 g_free(buffer2);
2193 g_free(hostname);
2194
2195 return(return_value);
2196 #endif /* HAVE_GETHOSTBYNAME2_R */
2197 }
2198 #else /* AF_INET6 */
2199 MonoBoolean ves_icall_System_Net_Dns_GetHostByName_internal(MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2200 {
2201 struct hostent *he;
2202 char *hostname;
2203
2204 MONO_ARCH_SAVE_REGS;
2205
2206 hostname=mono_string_to_utf8(host);
2207
2208 he = _wapi_gethostbyname (hostname);
2209 g_free(hostname);
2210
2211 if(he==NULL) {
2212 return(FALSE);
2213 }
2214
2215 return(hostent_to_IPHostEntry(he, h_name, h_aliases, h_addr_list));
2216 }
2217 #endif /* AF_INET6 */
2218
2219 #ifndef HAVE_INET_PTON
2220 static int
2221 inet_pton (int family, const char *address, void *inaddrp)
2222 {
2223 if (family == AF_INET) {
2224 #ifdef HAVE_INET_ATON
2225 struct in_addr inaddr;
2226
2227 if (!inet_aton (address, &inaddr))
2228 return 0;
2229
2230 memcpy (inaddrp, &inaddr, sizeof (struct in_addr));
2231 return 1;
2232 #else
2233 /* assume the system has inet_addr(), if it doesn't
2234 have that we're pretty much screwed... */
2235 guint32 inaddr;
2236
2237 if (!strcmp (address, "255.255.255.255")) {
2238 /* special-case hack */
2239 inaddr = 0xffffffff;
2240 } else {
2241 inaddr = inet_addr (address);
2242 #ifndef INADDR_NONE
2243 #define INADDR_NONE ((in_addr_t) -1)
2244 #endif
2245 if (inaddr == INADDR_NONE)
2246 return 0;
2247 }
2248
2249 memcpy (inaddrp, &inaddr, sizeof (guint32));
2250 return 1;
2251 #endif /* HAVE_INET_ATON */
2252 }
2253
2254 return -1;
2255 }
2256 #endif /* !HAVE_INET_PTON */
2257
2258 extern MonoBoolean ves_icall_System_Net_Dns_GetHostByAddr_internal(MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2259 {
2260 char *address;
2261
2262 #ifdef AF_INET6
2263 struct sockaddr_in saddr;
2264 struct sockaddr_in6 saddr6;
2265 struct addrinfo *info = NULL, hints;
2266 gint32 family;
2267 char hostname[1024] = {0};
2268 #else
2269 struct in_addr inaddr;
2270 struct hostent *he;
2271 #endif
2272
2273 MONO_ARCH_SAVE_REGS;
2274
2275 address = mono_string_to_utf8 (addr);
2276
2277 #ifdef AF_INET6
2278 if (inet_pton (AF_INET, address, &saddr.sin_addr ) <= 0) {
2279 /* Maybe an ipv6 address */
2280 if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) <= 0) {
2281 g_free (address);
2282 return FALSE;
2283 }
2284 else {
2285 family = AF_INET6;
2286 saddr6.sin6_family = AF_INET6;
2287 }
2288 }
2289 else {
2290 family = AF_INET;
2291 saddr.sin_family = AF_INET;
2292 }
2293 g_free(address);
2294
2295 if(family == AF_INET) {
2296 if(getnameinfo ((struct sockaddr*)&saddr, sizeof(saddr),
2297 hostname, sizeof(hostname), NULL, 0,
2298 NI_NAMEREQD) != 0) {
2299 return(FALSE);
2300 }
2301 } else if(family == AF_INET6) {
2302 if(getnameinfo ((struct sockaddr*)&saddr6, sizeof(saddr6),
2303 hostname, sizeof(hostname), NULL, 0,
2304 NI_NAMEREQD) != 0) {
2305 return(FALSE);
2306 }
2307 }
2308
2309 memset (&hints, 0, sizeof(hints));
2310 hints.ai_family = get_family_hint ();
2311 hints.ai_socktype = SOCK_STREAM;
2312 hints.ai_flags = AI_CANONNAME;
2313
2314 if( getaddrinfo (hostname, NULL, &hints, &info) == -1 ) {
2315 return(FALSE);
2316 }
2317
2318 return(addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list));
2319 #else
2320 if (inet_pton (AF_INET, address, &inaddr) <= 0) {
2321 g_free (address);
2322 return(FALSE);
2323 }
2324 g_free (address);
2325
2326 if ((he = gethostbyaddr ((char *) &inaddr, sizeof (inaddr), AF_INET)) == NULL) {
2327 return(FALSE);
2328 }
2329
2330 return(hostent_to_IPHostEntry (he, h_name, h_aliases, h_addr_list));
2331 #endif
2332 }
2333
2334 extern MonoBoolean ves_icall_System_Net_Dns_GetHostName_internal(MonoString **h_name)
2335 {
2336 guchar hostname[256];
2337 int ret;
2338
2339 MONO_ARCH_SAVE_REGS;
2340
2341 ret = gethostname (hostname, sizeof (hostname));
2342 if(ret==-1) {
2343 return(FALSE);
2344 }
2345
2346 *h_name=mono_string_new(mono_domain_get (), hostname);
2347
2348 return(TRUE);
2349 }
2350
2351
2352 /* Async interface */
2353 #ifndef USE_AIO
2354 void
2355 ves_icall_System_Net_Sockets_Socket_AsyncReceive (MonoSocketAsyncResult *ares, gint *error)
2356 {
2357 MONO_ARCH_SAVE_REGS;
2358
2359 *error = ERROR_NOT_SUPPORTED;
2360 }
2361
2362 void
2363 ves_icall_System_Net_Sockets_Socket_AsyncSend (MonoSocketAsyncResult *ares, gint *error)
2364 {
2365 MONO_ARCH_SAVE_REGS;
2366
2367 *error = ERROR_NOT_SUPPORTED;
2368 }
2369 #else
2370 static void
2371 wsa_overlapped_callback (guint32 error, guint32 numbytes, gpointer result)
2372 {
2373 MonoSocketAsyncResult *ares = (MonoSocketAsyncResult *) result;
2374 MonoThread *thread;
2375
2376 ares->completed = TRUE;
2377 ares->error = error;
2378 ares->total = numbytes;
2379
2380 if (ares->callback != NULL) {
2381 gpointer p [1];
2382
2383 *p = ares;
2384 thread = mono_thread_attach (mono_object_domain (ares));
2385 mono_runtime_invoke (ares->callback->method_info->method, NULL, p, NULL);
2386
2387 mono_thread_detach (thread);
2388 }
2389
2390 if (ares->wait_handle != NULL)
2391 SetEvent (ares->wait_handle->handle);
2392 }
2393
2394 void
2395 ves_icall_System_Net_Sockets_Socket_AsyncReceive (MonoSocketAsyncResult *ares, gint *error)
2396 {
2397 gint32 bytesread;
2398
2399 MONO_ARCH_SAVE_REGS;
2400
2401 if (_wapi_socket_async_read (ares->handle,
2402 mono_array_addr (ares->buffer, gchar, ares->offset),
2403 ares->size,
2404 &bytesread,
2405 ares,
2406 wsa_overlapped_callback) == FALSE) {
2407 *error = WSAGetLastError ();
2408 } else {
2409 *error = 0;
2410 ares->completed_synch = TRUE;
2411 wsa_overlapped_callback (0, bytesread, ares);
2412 }
2413 }
2414
2415 void
2416 ves_icall_System_Net_Sockets_Socket_AsyncSend (MonoSocketAsyncResult *ares, gint *error)
2417 {
2418 gint32 byteswritten;
2419
2420 MONO_ARCH_SAVE_REGS;
2421
2422 if (_wapi_socket_async_write (ares->handle,
2423 mono_array_addr (ares->buffer, gchar, ares->offset),
2424 ares->size,
2425 &byteswritten,
2426 ares,
2427 wsa_overlapped_callback) == FALSE) {
2428 *error = WSAGetLastError ();
2429 } else {
2430 *error = 0;
2431 ares->completed_synch = TRUE;
2432 wsa_overlapped_callback (0, byteswritten, ares);
2433 }
2434 }
2435 #endif /* USE_AIO */
2436
2437 void mono_network_init(void)
2438 {
2439 WSADATA wsadata;
2440 int err;
2441
2442 err=WSAStartup(MAKEWORD(2,0), &wsadata);
2443 if(err!=0) {
2444 g_error(G_GNUC_PRETTY_FUNCTION ": Couldn't initialise networking");
2445 exit(-1);
2446 }
2447
2448 #ifdef DEBUG
2449 g_message(G_GNUC_PRETTY_FUNCTION ": Using socket library: %s", wsadata.szDescription);
2450 g_message(G_GNUC_PRETTY_FUNCTION ": Socket system status: %s", wsadata.szSystemStatus);
2451 #endif
2452 }
2453
2454 void mono_network_cleanup(void)
2455 {
2456 WSACleanup();
2457 }
2458
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