2 * socket-io.c: Socket IO internal calls
5 * Dick Porter (dick@ximian.com)
6 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
8 * (C) 2001 Ximian, Inc.
9 * Copyright (c) 2005-2006 Novell, Inc. (http://www.novell.com)
22 #include <mono/metadata/object.h>
23 #include <mono/io-layer/io-layer.h>
24 #include <mono/metadata/socket-io.h>
25 #include <mono/metadata/exception.h>
26 #include <mono/metadata/assembly.h>
27 #include <mono/metadata/appdomain.h>
28 #include <mono/metadata/threads.h>
29 #include <mono/metadata/threads-types.h>
30 #include <mono/utils/mono-poll.h>
31 /* FIXME change this code to not mess so much with the internals */
32 #include <mono/metadata/class-internals.h>
33 #include <mono/metadata/threadpool-internals.h>
34 #include <mono/metadata/domain-internals.h>
36 #ifdef HAVE_SYS_TIME_H
39 #ifdef HAVE_SYS_IOCTL_H
40 #include <sys/ioctl.h>
49 #ifdef HAVE_SYS_FILIO_H
50 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
52 #ifdef HAVE_SYS_SOCKIO_H
53 #include <sys/sockio.h> /* defines SIOCATMARK */
59 #include "mono/io-layer/socket-wrappers.h"
62 /* This is a kludge to make this file build under cygwin:
63 * w32api/ws2tcpip.h has definitions for some AF_INET6 values and
64 * prototypes for some but not all required functions (notably
65 * inet_ntop() is missing), but the libws2_32 library is missing the
66 * actual implementations of these functions.
73 static gint32 convert_family(MonoAddressFamily mono_family)
78 case AddressFamily_Unknown:
79 case AddressFamily_ImpLink:
80 case AddressFamily_Pup:
81 case AddressFamily_Chaos:
82 case AddressFamily_Iso:
83 case AddressFamily_Ecma:
84 case AddressFamily_DataKit:
85 case AddressFamily_Ccitt:
86 case AddressFamily_DataLink:
87 case AddressFamily_Lat:
88 case AddressFamily_HyperChannel:
89 case AddressFamily_NetBios:
90 case AddressFamily_VoiceView:
91 case AddressFamily_FireFox:
92 case AddressFamily_Banyan:
93 case AddressFamily_Atm:
94 case AddressFamily_Cluster:
95 case AddressFamily_Ieee12844:
96 case AddressFamily_NetworkDesigners:
97 g_warning("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
100 case AddressFamily_Unspecified:
104 case AddressFamily_Unix:
108 case AddressFamily_InterNetwork:
112 case AddressFamily_Ipx:
118 case AddressFamily_Sna:
122 case AddressFamily_DecNet:
126 case AddressFamily_AppleTalk:
130 case AddressFamily_InterNetworkV6:
135 case AddressFamily_Irda:
141 g_warning("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
147 static MonoAddressFamily convert_to_mono_family(guint16 af_family)
149 MonoAddressFamily family=AddressFamily_Unknown;
153 family=AddressFamily_Unspecified;
157 family=AddressFamily_Unix;
161 family=AddressFamily_InterNetwork;
166 family=AddressFamily_Ipx;
171 family=AddressFamily_Sna;
175 family=AddressFamily_DecNet;
179 family=AddressFamily_AppleTalk;
184 family=AddressFamily_InterNetworkV6;
190 family=AddressFamily_Irda;
194 g_warning("unknown address family 0x%x", af_family);
200 static gint32 convert_type(MonoSocketType mono_type)
205 case SocketType_Stream:
209 case SocketType_Dgram:
221 case SocketType_Seqpacket:
225 case SocketType_Unknown:
226 g_warning("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
230 g_warning("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
236 static gint32 convert_proto(MonoProtocolType mono_proto)
241 case ProtocolType_IP:
242 case ProtocolType_IPv6:
243 case ProtocolType_Icmp:
244 case ProtocolType_Igmp:
245 case ProtocolType_Ggp:
246 case ProtocolType_Tcp:
247 case ProtocolType_Pup:
248 case ProtocolType_Udp:
249 case ProtocolType_Idp:
250 /* These protocols are known (on my system at least) */
254 case ProtocolType_ND:
255 case ProtocolType_Raw:
256 case ProtocolType_Ipx:
257 case ProtocolType_Spx:
258 case ProtocolType_SpxII:
259 case ProtocolType_Unknown:
260 /* These protocols arent */
261 g_warning("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
271 /* Convert MonoSocketFlags */
272 static gint32 convert_socketflags (gint32 sflags)
277 /* SocketFlags.None */
280 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
281 SocketFlags_DontRoute | SocketFlags_Partial))
282 /* Contains invalid flag values */
285 if (sflags & SocketFlags_OutOfBand)
287 if (sflags & SocketFlags_Peek)
289 if (sflags & SocketFlags_DontRoute)
290 flags |= MSG_DONTROUTE;
291 if (sflags & SocketFlags_Partial)
297 if (sflags & SocketFlags_MaxIOVectorLength)
298 /* FIXME: Don't know what to do for MaxIOVectorLength query */
301 return (flags ? flags : -1);
306 * 0 on success (mapped mono_level and mono_name to system_level and system_name
308 * -2 on non-fatal error (ie, must ignore)
310 static gint32 convert_sockopt_level_and_name(MonoSocketOptionLevel mono_level,
311 MonoSocketOptionName mono_name,
315 switch (mono_level) {
316 case SocketOptionLevel_Socket:
317 *system_level = SOL_SOCKET;
320 case SocketOptionName_DontLinger:
321 /* This is SO_LINGER, because the setsockopt
322 * internal call maps DontLinger to SO_LINGER
325 *system_name = SO_LINGER;
327 case SocketOptionName_Debug:
328 *system_name = SO_DEBUG;
331 case SocketOptionName_AcceptConnection:
332 *system_name = SO_ACCEPTCONN;
335 case SocketOptionName_ReuseAddress:
336 *system_name = SO_REUSEADDR;
338 case SocketOptionName_KeepAlive:
339 *system_name = SO_KEEPALIVE;
341 case SocketOptionName_DontRoute:
342 *system_name = SO_DONTROUTE;
344 case SocketOptionName_Broadcast:
345 *system_name = SO_BROADCAST;
347 case SocketOptionName_Linger:
348 *system_name = SO_LINGER;
350 case SocketOptionName_OutOfBandInline:
351 *system_name = SO_OOBINLINE;
353 case SocketOptionName_SendBuffer:
354 *system_name = SO_SNDBUF;
356 case SocketOptionName_ReceiveBuffer:
357 *system_name = SO_RCVBUF;
359 case SocketOptionName_SendLowWater:
360 *system_name = SO_SNDLOWAT;
362 case SocketOptionName_ReceiveLowWater:
363 *system_name = SO_RCVLOWAT;
365 case SocketOptionName_SendTimeout:
366 *system_name = SO_SNDTIMEO;
368 case SocketOptionName_ReceiveTimeout:
369 *system_name = SO_RCVTIMEO;
371 case SocketOptionName_Error:
372 *system_name = SO_ERROR;
374 case SocketOptionName_Type:
375 *system_name = SO_TYPE;
378 case SocketOptionName_PeerCred:
379 *system_name = SO_PEERCRED;
382 case SocketOptionName_ExclusiveAddressUse:
383 case SocketOptionName_UseLoopback:
384 case SocketOptionName_MaxConnections:
385 /* Can't figure out how to map these, so fall
389 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
394 case SocketOptionLevel_IP:
396 *system_level = SOL_IP;
399 static int cached = 0;
403 struct protoent *pent;
405 pent = getprotobyname ("IP");
406 proto = pent ? pent->p_proto : 0 /* 0 a good default value?? */;
410 *system_level = proto;
412 #endif /* HAVE_SOL_IP */
415 case SocketOptionName_IPOptions:
416 *system_name = IP_OPTIONS;
419 case SocketOptionName_HeaderIncluded:
420 *system_name = IP_HDRINCL;
424 case SocketOptionName_TypeOfService:
425 *system_name = IP_TOS;
429 case SocketOptionName_IpTimeToLive:
430 *system_name = IP_TTL;
433 case SocketOptionName_MulticastInterface:
434 *system_name = IP_MULTICAST_IF;
436 case SocketOptionName_MulticastTimeToLive:
437 *system_name = IP_MULTICAST_TTL;
439 case SocketOptionName_MulticastLoopback:
440 *system_name = IP_MULTICAST_LOOP;
442 case SocketOptionName_AddMembership:
443 *system_name = IP_ADD_MEMBERSHIP;
445 case SocketOptionName_DropMembership:
446 *system_name = IP_DROP_MEMBERSHIP;
448 #ifdef HAVE_IP_PKTINFO
449 case SocketOptionName_PacketInformation:
450 *system_name = IP_PKTINFO;
452 #endif /* HAVE_IP_PKTINFO */
454 case SocketOptionName_DontFragment:
455 #ifdef HAVE_IP_DONTFRAGMENT
456 *system_name = IP_DONTFRAGMENT;
458 #elif defined HAVE_IP_MTU_DISCOVER
459 /* Not quite the same */
460 *system_name = IP_MTU_DISCOVER;
463 /* If the flag is not available on this system, we can ignore this error */
465 #endif /* HAVE_IP_DONTFRAGMENT */
466 case SocketOptionName_AddSourceMembership:
467 case SocketOptionName_DropSourceMembership:
468 case SocketOptionName_BlockSource:
469 case SocketOptionName_UnblockSource:
470 /* Can't figure out how to map these, so fall
474 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
480 case SocketOptionLevel_IPv6:
482 *system_level = SOL_IPV6;
485 static int cached = 0;
489 struct protoent *pent;
491 pent = getprotobyname ("IPV6");
492 proto = pent ? pent->p_proto : 41 /* 41 a good default value?? */;
496 *system_level = proto;
498 #endif /* HAVE_SOL_IPV6 */
501 case SocketOptionName_IpTimeToLive:
502 *system_name = IPV6_UNICAST_HOPS;
504 case SocketOptionName_MulticastInterface:
505 *system_name = IPV6_MULTICAST_IF;
507 case SocketOptionName_MulticastTimeToLive:
508 *system_name = IPV6_MULTICAST_HOPS;
510 case SocketOptionName_MulticastLoopback:
511 *system_name = IPV6_MULTICAST_LOOP;
513 case SocketOptionName_AddMembership:
514 *system_name = IPV6_JOIN_GROUP;
516 case SocketOptionName_DropMembership:
517 *system_name = IPV6_LEAVE_GROUP;
519 case SocketOptionName_PacketInformation:
520 #ifdef HAVE_IPV6_PKTINFO
521 *system_name = IPV6_PKTINFO;
524 case SocketOptionName_HeaderIncluded:
525 case SocketOptionName_IPOptions:
526 case SocketOptionName_TypeOfService:
527 case SocketOptionName_DontFragment:
528 case SocketOptionName_AddSourceMembership:
529 case SocketOptionName_DropSourceMembership:
530 case SocketOptionName_BlockSource:
531 case SocketOptionName_UnblockSource:
532 /* Can't figure out how to map these, so fall
536 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
540 break; /* SocketOptionLevel_IPv6 */
543 case SocketOptionLevel_Tcp:
545 *system_level = SOL_TCP;
548 static int cached = 0;
552 struct protoent *pent;
554 pent = getprotobyname ("TCP");
555 proto = pent ? pent->p_proto : 6 /* is 6 a good default value?? */;
559 *system_level = proto;
561 #endif /* HAVE_SOL_TCP */
564 case SocketOptionName_NoDelay:
565 *system_name = TCP_NODELAY;
568 /* The documentation is talking complete
569 * bollocks here: rfc-1222 is titled
570 * 'Advancing the NSFNET Routing Architecture'
571 * and doesn't mention either of the words
572 * "expedite" or "urgent".
574 case SocketOptionName_BsdUrgent:
575 case SocketOptionName_Expedited:
578 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
583 case SocketOptionLevel_Udp:
584 g_warning("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
587 case SocketOptionName_NoChecksum:
588 case SocketOptionName_ChecksumCoverage:
590 g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
597 g_warning("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
604 #define STASH_SYS_ASS(this) \
605 if(system_assembly == NULL) { \
606 system_assembly=mono_image_loaded ("System"); \
607 if (!system_assembly) { \
608 MonoAssembly *sa = mono_assembly_open ("System.dll", NULL); \
609 if (!sa) g_assert_not_reached (); \
610 else {system_assembly = mono_assembly_get_image (sa);} \
614 static MonoImage *system_assembly=NULL;
618 static gint32 get_family_hint(void)
620 MonoClass *socket_class;
621 MonoClassField *ipv6_field, *ipv4_field;
622 gint32 ipv6_enabled = -1, ipv4_enabled = -1;
625 socket_class = mono_class_from_name (system_assembly,
626 "System.Net.Sockets", "Socket");
627 ipv4_field = mono_class_get_field_from_name (socket_class,
629 ipv6_field = mono_class_get_field_from_name (socket_class,
631 vtable = mono_class_vtable (mono_domain_get (), socket_class);
633 mono_field_static_get_value(vtable, ipv4_field, &ipv4_enabled);
634 mono_field_static_get_value(vtable, ipv6_field, &ipv6_enabled);
636 if(ipv4_enabled == 1 && ipv6_enabled == 1) {
638 } else if(ipv4_enabled == 1) {
646 gpointer ves_icall_System_Net_Sockets_Socket_Socket_internal(MonoObject *this, gint32 family, gint32 type, gint32 proto, gint32 *error)
659 sock_family=convert_family(family);
660 if(sock_family==-1) {
661 *error = WSAEAFNOSUPPORT;
665 sock_proto=convert_proto(proto);
667 *error = WSAEPROTONOSUPPORT;
671 sock_type=convert_type(type);
673 *error = WSAESOCKTNOSUPPORT;
677 sock = _wapi_socket (sock_family, sock_type, sock_proto,
678 NULL, 0, WSA_FLAG_OVERLAPPED);
680 if(sock==INVALID_SOCKET) {
681 *error = WSAGetLastError ();
685 if (sock_family == AF_INET && sock_type == SOCK_DGRAM) {
686 return (GUINT_TO_POINTER (sock));
690 if (sock_family == AF_INET6 && sock_type == SOCK_DGRAM) {
691 return (GUINT_TO_POINTER (sock));
695 #ifndef PLATFORM_WIN32
696 /* .net seems to set this by default for SOCK_STREAM,
697 * not for SOCK_DGRAM (see bug #36322)
699 * It seems winsock has a rather different idea of what
700 * SO_REUSEADDR means. If it's set, then a new socket can be
701 * bound over an existing listening socket. There's a new
702 * windows-specific option called SO_EXCLUSIVEADDRUSE but
703 * using that means the socket MUST be closed properly, or a
704 * denial of service can occur. Luckily for us, winsock
705 * behaves as though any other system would when SO_REUSEADDR
706 * is true, so we don't need to do anything else here. See
712 ret = _wapi_setsockopt (sock, SOL_SOCKET, SO_REUSEADDR, &true, sizeof (true));
713 if(ret==SOCKET_ERROR) {
714 *error = WSAGetLastError ();
722 return(GUINT_TO_POINTER (sock));
725 /* FIXME: the SOCKET parameter (here and in other functions in this
726 * file) is really an IntPtr which needs to be converted to a guint32.
728 void ves_icall_System_Net_Sockets_Socket_Close_internal(SOCKET sock,
734 g_message (G_GNUC_PRETTY_FUNCTION ": closing 0x%x", sock);
739 /* Clear any pending work item from this socket if the underlying
740 * polling system does not notify when the socket is closed */
741 mono_thread_pool_remove_socket (GPOINTER_TO_INT (sock));
745 gint32 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal(void)
750 g_message(G_GNUC_PRETTY_FUNCTION ": returning %d", WSAGetLastError());
753 return(WSAGetLastError());
756 gint32 ves_icall_System_Net_Sockets_Socket_Available_internal(SOCKET sock,
766 ret=ioctlsocket(sock, FIONREAD, &amount);
767 if(ret==SOCKET_ERROR) {
768 *error = WSAGetLastError ();
775 void ves_icall_System_Net_Sockets_Socket_Blocking_internal(SOCKET sock,
786 * block == TRUE/FALSE means we will block/not block.
787 * But the ioctlsocket call takes TRUE/FALSE for non-block/block
791 ret = ioctlsocket (sock, FIONBIO, (gulong *) &block);
792 if(ret==SOCKET_ERROR) {
793 *error = WSAGetLastError ();
797 gpointer ves_icall_System_Net_Sockets_Socket_Accept_internal(SOCKET sock,
806 newsock = _wapi_accept (sock, NULL, 0);
807 if(newsock==INVALID_SOCKET) {
808 *error = WSAGetLastError ();
812 return(GUINT_TO_POINTER (newsock));
815 void ves_icall_System_Net_Sockets_Socket_Listen_internal(SOCKET sock,
825 ret = _wapi_listen (sock, backlog);
826 if(ret==SOCKET_ERROR) {
827 *error = WSAGetLastError ();
831 static MonoObject *create_object_from_sockaddr(struct sockaddr *saddr,
832 int sa_size, gint32 *error)
834 MonoDomain *domain = mono_domain_get ();
835 MonoObject *sockaddr_obj;
836 MonoClass *sockaddr_class;
837 MonoClassField *field;
839 MonoAddressFamily family;
841 /* Build a System.Net.SocketAddress object instance */
842 sockaddr_class=mono_class_from_name(system_assembly, "System.Net", "SocketAddress");
843 sockaddr_obj=mono_object_new(domain, sockaddr_class);
845 /* Locate the SocketAddress data buffer in the object */
846 field=mono_class_get_field_from_name(sockaddr_class, "data");
848 /* Make sure there is space for the family and size bytes */
850 if (saddr->sa_family == AF_UNIX) {
851 /* sa_len includes the entire sockaddr size, so we don't need the
852 * N bytes (sizeof (unsigned short)) of the family. */
853 data=mono_array_new(domain, mono_get_byte_class (), sa_size);
857 /* May be the +2 here is too conservative, as sa_len returns
858 * the length of the entire sockaddr_in/in6, including
859 * sizeof (unsigned short) of the family */
860 data=mono_array_new(domain, mono_get_byte_class (), sa_size+2);
863 /* The data buffer is laid out as follows:
864 * bytes 0 and 1 are the address family
865 * bytes 2 and 3 are the port info
866 * the rest is the address info
869 family=convert_to_mono_family(saddr->sa_family);
870 if(family==AddressFamily_Unknown) {
871 *error = WSAEAFNOSUPPORT;
875 mono_array_set(data, guint8, 0, family & 0x0FF);
876 mono_array_set(data, guint8, 1, (family >> 8) & 0x0FF);
878 if(saddr->sa_family==AF_INET) {
879 struct sockaddr_in *sa_in=(struct sockaddr_in *)saddr;
880 guint16 port=ntohs(sa_in->sin_port);
881 guint32 address=ntohl(sa_in->sin_addr.s_addr);
884 mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
887 mono_array_set(data, guint8, 2, (port>>8) & 0xff);
888 mono_array_set(data, guint8, 3, (port) & 0xff);
889 mono_array_set(data, guint8, 4, (address>>24) & 0xff);
890 mono_array_set(data, guint8, 5, (address>>16) & 0xff);
891 mono_array_set(data, guint8, 6, (address>>8) & 0xff);
892 mono_array_set(data, guint8, 7, (address) & 0xff);
894 mono_field_set_value (sockaddr_obj, field, data);
896 return(sockaddr_obj);
898 } else if (saddr->sa_family == AF_INET6) {
899 struct sockaddr_in6 *sa_in=(struct sockaddr_in6 *)saddr;
902 guint16 port=ntohs(sa_in->sin6_port);
905 mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
908 mono_array_set(data, guint8, 2, (port>>8) & 0xff);
909 mono_array_set(data, guint8, 3, (port) & 0xff);
911 for(i=0; i<16; i++) {
912 mono_array_set(data, guint8, 8+i,
913 sa_in->sin6_addr.s6_addr[i]);
916 mono_array_set(data, guint8, 24, sa_in->sin6_scope_id & 0xff);
917 mono_array_set(data, guint8, 25,
918 (sa_in->sin6_scope_id >> 8) & 0xff);
919 mono_array_set(data, guint8, 26,
920 (sa_in->sin6_scope_id >> 16) & 0xff);
921 mono_array_set(data, guint8, 27,
922 (sa_in->sin6_scope_id >> 24) & 0xff);
924 mono_field_set_value (sockaddr_obj, field, data);
926 return(sockaddr_obj);
929 } else if (saddr->sa_family == AF_UNIX) {
932 for (i = 0; i < sa_size; i++) {
933 mono_array_set (data, guint8, i+2, saddr->sa_data[i]);
936 mono_field_set_value (sockaddr_obj, field, data);
941 *error = WSAEAFNOSUPPORT;
946 extern MonoObject *ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal(SOCKET sock, gint32 *error)
948 gchar sa[32]; /* sockaddr in not big enough for sockaddr_in6 */
957 ret = _wapi_getsockname (sock, (struct sockaddr *)sa, &salen);
959 if(ret==SOCKET_ERROR) {
960 *error = WSAGetLastError ();
965 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));
968 return(create_object_from_sockaddr((struct sockaddr *)sa, salen,
972 extern MonoObject *ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal(SOCKET sock, gint32 *error)
974 gchar sa[32]; /* sockaddr in not big enough for sockaddr_in6 */
983 ret = _wapi_getpeername (sock, (struct sockaddr *)sa, &salen);
985 if(ret==SOCKET_ERROR) {
986 *error = WSAGetLastError ();
991 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));
994 return(create_object_from_sockaddr((struct sockaddr *)sa, salen,
998 static struct sockaddr *create_sockaddr_from_object(MonoObject *saddr_obj,
1002 MonoClassField *field;
1007 /* Dig the SocketAddress data buffer out of the object */
1008 field=mono_class_get_field_from_name(saddr_obj->vtable->klass, "data");
1009 data=*(MonoArray **)(((char *)saddr_obj) + field->offset);
1011 /* The data buffer is laid out as follows:
1012 * byte 0 is the address family low byte
1013 * byte 1 is the address family high byte
1015 * bytes 2 and 3 are the port info
1016 * the rest is the address info
1018 * the rest is the file name
1020 len = mono_array_length (data);
1022 mono_raise_exception (mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
1025 family = convert_family (mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8));
1026 if (family == AF_INET) {
1027 struct sockaddr_in *sa;
1032 mono_raise_exception (mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1035 sa = g_new0 (struct sockaddr_in, 1);
1036 port = (mono_array_get (data, guint8, 2) << 8) +
1037 mono_array_get (data, guint8, 3);
1038 address = (mono_array_get (data, guint8, 4) << 24) +
1039 (mono_array_get (data, guint8, 5) << 16 ) +
1040 (mono_array_get (data, guint8, 6) << 8) +
1041 mono_array_get (data, guint8, 7);
1043 sa->sin_family = family;
1044 sa->sin_addr.s_addr = htonl (address);
1045 sa->sin_port = htons (port);
1047 *sa_size = sizeof(struct sockaddr_in);
1048 return((struct sockaddr *)sa);
1051 } else if (family == AF_INET6) {
1052 struct sockaddr_in6 *sa;
1058 mono_raise_exception (mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1061 sa = g_new0 (struct sockaddr_in6, 1);
1062 port = mono_array_get (data, guint8, 3) +
1063 (mono_array_get (data, guint8, 2) << 8);
1064 scopeid = mono_array_get (data, guint8, 24) +
1065 (mono_array_get (data, guint8, 25) << 8) +
1066 (mono_array_get (data, guint8, 26) << 16) +
1067 (mono_array_get (data, guint8, 27) << 24);
1069 sa->sin6_family = family;
1070 sa->sin6_port = htons (port);
1071 sa->sin6_scope_id = scopeid;
1073 for(i=0; i<16; i++) {
1074 sa->sin6_addr.s6_addr[i] = mono_array_get (data, guint8, 8+i);
1077 *sa_size = sizeof(struct sockaddr_in6);
1078 return((struct sockaddr *)sa);
1080 #ifdef HAVE_SYS_UN_H
1081 } else if (family == AF_UNIX) {
1082 struct sockaddr_un *sock_un;
1085 /* Need a byte for the '\0' terminator/prefix, and the first
1086 * two bytes hold the SocketAddress family
1088 if (len - 2 >= MONO_SIZEOF_SUNPATH) {
1089 mono_raise_exception (mono_get_exception_index_out_of_range ());
1092 sock_un = g_new0 (struct sockaddr_un, 1);
1094 sock_un->sun_family = family;
1095 for (i = 0; i < len - 2; i++) {
1096 sock_un->sun_path [i] = mono_array_get (data, guint8,
1102 return (struct sockaddr *)sock_un;
1105 *error = WSAEAFNOSUPPORT;
1110 extern void ves_icall_System_Net_Sockets_Socket_Bind_internal(SOCKET sock, MonoObject *sockaddr, gint32 *error)
1112 struct sockaddr *sa;
1116 MONO_ARCH_SAVE_REGS;
1120 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1126 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));
1129 ret = _wapi_bind (sock, sa, sa_size);
1130 if(ret==SOCKET_ERROR) {
1131 *error = WSAGetLastError ();
1144 ves_icall_System_Net_Sockets_Socket_Poll_internal (SOCKET sock, gint mode,
1145 gint timeout, gint32 *error)
1147 MonoThread *thread = NULL;
1153 MONO_ARCH_SAVE_REGS;
1155 pfds = g_new0 (mono_pollfd, 1);
1156 pfds[0].fd = GPOINTER_TO_INT (sock);
1157 pfds[0].events = (mode == SelectModeRead) ? MONO_POLLIN :
1158 (mode == SelectModeWrite) ? MONO_POLLOUT :
1159 (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL);
1161 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1162 start = time (NULL);
1166 ret = mono_poll (pfds, 1, timeout);
1167 if (timeout > 0 && ret < 0) {
1169 int sec = time (NULL) - start;
1171 timeout -= sec * 1000;
1179 if (ret == -1 && errno == EINTR) {
1182 if (thread == NULL) {
1183 thread = mono_thread_current ();
1186 mono_monitor_enter (thread->synch_lock);
1187 leave = ((thread->state & ThreadState_AbortRequested) != 0 ||
1188 (thread->state & ThreadState_StopRequested) != 0);
1189 mono_monitor_exit (thread->synch_lock);
1195 /* Suspend requested? */
1196 mono_thread_interruption_checkpoint ();
1200 } while (ret == -1 && errno == EINTR);
1203 #ifdef PLATFORM_WIN32
1204 *error = WSAGetLastError ();
1206 *error = errno_to_WSA (errno, __func__);
1221 extern void ves_icall_System_Net_Sockets_Socket_Connect_internal(SOCKET sock, MonoObject *sockaddr, gint32 *error)
1223 struct sockaddr *sa;
1227 MONO_ARCH_SAVE_REGS;
1231 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1237 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));
1240 ret = _wapi_connect (sock, sa, sa_size);
1241 if(ret==SOCKET_ERROR) {
1242 *error = WSAGetLastError ();
1248 /* These #defines from mswsock.h from wine. Defining them here allows
1249 * us to build this file on a mingw box that doesn't know the magic
1250 * numbers, but still run on a newer windows box that does.
1252 #ifndef WSAID_DISCONNECTEX
1253 #define WSAID_DISCONNECTEX {0x7fda2e11,0x8630,0x436f,{0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}}
1254 typedef BOOL (WINAPI *LPFN_DISCONNECTEX)(SOCKET, LPOVERLAPPED, DWORD, DWORD);
1257 #ifndef WSAID_TRANSMITFILE
1258 #define WSAID_TRANSMITFILE {0xb5367df0,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}}
1259 typedef BOOL (WINAPI *LPFN_TRANSMITFILE)(SOCKET, HANDLE, DWORD, DWORD, LPOVERLAPPED, LPTRANSMIT_FILE_BUFFERS, DWORD);
1262 extern void ves_icall_System_Net_Sockets_Socket_Disconnect_internal(SOCKET sock, MonoBoolean reuse, gint32 *error)
1265 glong output_bytes = 0;
1266 GUID disco_guid = WSAID_DISCONNECTEX;
1267 GUID trans_guid = WSAID_TRANSMITFILE;
1268 LPFN_DISCONNECTEX _wapi_disconnectex = NULL;
1269 LPFN_TRANSMITFILE _wapi_transmitfile = NULL;
1272 MONO_ARCH_SAVE_REGS;
1277 g_message("%s: disconnecting from socket %p (reuse %d)", __func__,
1281 /* I _think_ the extension function pointers need to be looked
1282 * up for each socket. FIXME: check the best way to store
1283 * pointers to functions in managed objects that still works
1284 * on 64bit platforms.
1286 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER,
1287 (void *)&disco_guid, sizeof(GUID),
1288 (void *)&_wapi_disconnectex, sizeof(void *),
1289 &output_bytes, NULL, NULL);
1291 /* make sure that WSAIoctl didn't put crap in the
1294 _wapi_disconnectex = NULL;
1296 /* Look up the TransmitFile extension function pointer
1297 * instead of calling TransmitFile() directly, because
1298 * apparently "Several of the extension functions have
1299 * been available since WinSock 1.1 and are exported
1300 * from MSWsock.dll, however it's not advisable to
1301 * link directly to this dll as this ties you to the
1302 * Microsoft WinSock provider. A provider neutral way
1303 * of accessing these extension functions is to load
1304 * them dynamically via WSAIoctl using the
1305 * SIO_GET_EXTENSION_FUNCTION_POINTER op code. This
1306 * should, theoretically, allow you to access these
1307 * functions from any provider that supports them..."
1308 * (http://www.codeproject.com/internet/jbsocketserver3.asp)
1310 ret = WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER,
1311 (void *)&trans_guid, sizeof(GUID),
1312 (void *)&_wapi_transmitfile, sizeof(void *),
1313 &output_bytes, NULL, NULL);
1315 _wapi_transmitfile = NULL;
1319 if (_wapi_disconnectex != NULL) {
1320 bret = _wapi_disconnectex (sock, NULL, TF_REUSE_SOCKET, 0);
1321 } else if (_wapi_transmitfile != NULL) {
1322 bret = _wapi_transmitfile (sock, NULL, 0, 0, NULL, NULL,
1323 TF_DISCONNECT | TF_REUSE_SOCKET);
1325 *error = ERROR_NOT_SUPPORTED;
1329 if (bret == FALSE) {
1330 *error = WSAGetLastError ();
1334 gint32 ves_icall_System_Net_Sockets_Socket_Receive_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *error)
1341 MONO_ARCH_SAVE_REGS;
1345 alen = mono_array_length (buffer);
1346 if (offset > alen - count) {
1350 buf=mono_array_addr(buffer, guchar, offset);
1352 recvflags = convert_socketflags (flags);
1353 if (recvflags == -1) {
1354 *error = WSAEOPNOTSUPP;
1358 ret = _wapi_recv (sock, buf, count, recvflags);
1359 if(ret==SOCKET_ERROR) {
1360 *error = WSAGetLastError ();
1367 gint32 ves_icall_System_Net_Sockets_Socket_RecvFrom_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *error)
1373 struct sockaddr *sa;
1376 MONO_ARCH_SAVE_REGS;
1380 alen = mono_array_length (buffer);
1381 if (offset > alen - count) {
1385 sa=create_sockaddr_from_object(*sockaddr, &sa_size, error);
1390 buf=mono_array_addr(buffer, guchar, offset);
1392 recvflags = convert_socketflags (flags);
1393 if (recvflags == -1) {
1394 *error = WSAEOPNOTSUPP;
1398 ret = _wapi_recvfrom (sock, buf, count, recvflags, sa, &sa_size);
1399 if(ret==SOCKET_ERROR) {
1401 *error = WSAGetLastError ();
1405 /* If we didn't get a socket size, then we're probably a
1406 * connected connection-oriented socket and the stack hasn't
1407 * returned the remote address. All we can do is return null.
1410 *sockaddr=create_object_from_sockaddr(sa, sa_size, error);
1419 gint32 ves_icall_System_Net_Sockets_Socket_Send_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *error)
1426 MONO_ARCH_SAVE_REGS;
1430 alen = mono_array_length (buffer);
1431 if (offset > alen - count) {
1436 g_message(G_GNUC_PRETTY_FUNCTION ": alen: %d", alen);
1439 buf=mono_array_addr(buffer, guchar, offset);
1442 g_message(G_GNUC_PRETTY_FUNCTION ": Sending %d bytes", count);
1445 sendflags = convert_socketflags (flags);
1446 if (sendflags == -1) {
1447 *error = WSAEOPNOTSUPP;
1451 ret = _wapi_send (sock, buf, count, sendflags);
1452 if(ret==SOCKET_ERROR) {
1453 *error = WSAGetLastError ();
1460 gint32 ves_icall_System_Net_Sockets_Socket_SendTo_internal(SOCKET sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *error)
1466 struct sockaddr *sa;
1469 MONO_ARCH_SAVE_REGS;
1473 alen = mono_array_length (buffer);
1474 if (offset > alen - count) {
1478 sa=create_sockaddr_from_object(sockaddr, &sa_size, error);
1484 g_message(G_GNUC_PRETTY_FUNCTION ": alen: %d", alen);
1487 buf=mono_array_addr(buffer, guchar, offset);
1490 g_message(G_GNUC_PRETTY_FUNCTION ": Sending %d bytes", count);
1493 sendflags = convert_socketflags (flags);
1494 if (sendflags == -1) {
1495 *error = WSAEOPNOTSUPP;
1499 ret = _wapi_sendto (sock, buf, count, sendflags, sa, sa_size);
1500 if(ret==SOCKET_ERROR) {
1501 *error = WSAGetLastError ();
1509 static SOCKET Socket_to_SOCKET(MonoObject *sockobj)
1512 MonoClassField *field;
1514 field=mono_class_get_field_from_name(sockobj->vtable->klass, "socket");
1515 sock=*(SOCKET *)(((char *)sockobj)+field->offset);
1520 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1521 void ves_icall_System_Net_Sockets_Socket_Select_internal(MonoArray **sockets, gint32 timeout, gint32 *error)
1523 MonoThread *thread = NULL;
1530 MonoClass *sock_arr_class;
1534 MONO_ARCH_SAVE_REGS;
1536 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1537 count = mono_array_length (*sockets);
1538 nfds = count - 3; /* NULL separators */
1539 pfds = g_new0 (mono_pollfd, nfds);
1541 for (i = 0; i < count; i++) {
1542 obj = mono_array_get (*sockets, MonoObject *, i);
1549 /* The socket array was bogus */
1555 pfds [idx].fd = GPOINTER_TO_INT (Socket_to_SOCKET (obj));
1556 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1560 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1561 start = time (NULL);
1564 ret = mono_poll (pfds, nfds, timeout);
1565 if (timeout > 0 && ret < 0) {
1567 int sec = time (NULL) - start;
1569 timeout -= sec * 1000;
1575 if (ret == -1 && errno == EINTR) {
1578 thread = mono_thread_current ();
1580 mono_monitor_enter (thread->synch_lock);
1581 leave = ((thread->state & ThreadState_AbortRequested) != 0 ||
1582 (thread->state & ThreadState_StopRequested) != 0);
1583 mono_monitor_exit (thread->synch_lock);
1589 /* Suspend requested? */
1590 mono_thread_interruption_checkpoint ();
1594 } while (ret == -1 && errno == EINTR);
1597 #ifdef PLATFORM_WIN32
1598 *error = WSAGetLastError ();
1600 *error = errno_to_WSA (errno, __func__);
1612 sock_arr_class= ((MonoObject *)*sockets)->vtable->klass;
1613 ret += 3; /* space for the NULL delimiters */
1614 socks = mono_array_new_full (mono_domain_get (), sock_arr_class, (guint32*)&ret, NULL);
1617 for (i = 0; i < count && ret > 0; i++) {
1620 obj = mono_array_get (*sockets, MonoObject *, i);
1627 pfd = &pfds [i - mode];
1628 if (pfd->revents == 0)
1632 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1633 mono_array_setref (socks, idx++, obj);
1634 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1635 mono_array_setref (socks, idx++, obj);
1636 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1637 mono_array_setref (socks, idx++, obj);
1645 static MonoObject* int_to_object (MonoDomain *domain, int val)
1647 return mono_value_box (domain, mono_get_int32_class (), &val);
1651 void ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal(SOCKET sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *error)
1657 socklen_t valsize=sizeof(val);
1658 struct linger linger;
1659 socklen_t lingersize=sizeof(linger);
1661 socklen_t time_ms_size = sizeof (time_ms);
1664 socklen_t credsize = sizeof(cred);
1666 MonoDomain *domain=mono_domain_get();
1668 MonoClass *obj_class;
1669 MonoClassField *field;
1671 MONO_ARCH_SAVE_REGS;
1675 ret=convert_sockopt_level_and_name(level, name, &system_level,
1678 *error = WSAENOPROTOOPT;
1682 *obj_val = int_to_object (domain, 0);
1686 /* No need to deal with MulticastOption names here, because
1687 * you cant getsockopt AddMembership or DropMembership (the
1688 * int getsockopt will error, causing an exception)
1691 case SocketOptionName_Linger:
1692 case SocketOptionName_DontLinger:
1693 ret = _wapi_getsockopt(sock, system_level, system_name, &linger,
1697 case SocketOptionName_SendTimeout:
1698 case SocketOptionName_ReceiveTimeout:
1699 ret = _wapi_getsockopt (sock, system_level, system_name, (char *) &time_ms, &time_ms_size);
1703 case SocketOptionName_PeerCred:
1704 ret = _wapi_getsockopt (sock, system_level, system_name, &cred,
1710 ret = _wapi_getsockopt (sock, system_level, system_name, &val,
1714 if(ret==SOCKET_ERROR) {
1715 *error = WSAGetLastError ();
1720 case SocketOptionName_Linger:
1721 /* build a System.Net.Sockets.LingerOption */
1722 obj_class=mono_class_from_name(system_assembly,
1723 "System.Net.Sockets",
1725 obj=mono_object_new(domain, obj_class);
1727 /* Locate and set the fields "bool enabled" and "int
1730 field=mono_class_get_field_from_name(obj_class, "enabled");
1731 *(guint8 *)(((char *)obj)+field->offset)=linger.l_onoff;
1733 field=mono_class_get_field_from_name(obj_class, "seconds");
1734 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1738 case SocketOptionName_DontLinger:
1739 /* construct a bool int in val - true if linger is off */
1740 obj = int_to_object (domain, !linger.l_onoff);
1743 case SocketOptionName_SendTimeout:
1744 case SocketOptionName_ReceiveTimeout:
1745 obj = int_to_object (domain, time_ms);
1749 case SocketOptionName_PeerCred:
1751 /* build a Mono.Posix.PeerCred+PeerCredData if
1754 static MonoImage *mono_posix_image = NULL;
1755 MonoPeerCredData *cred_data;
1757 if (mono_posix_image == NULL) {
1758 mono_posix_image=mono_image_loaded ("Mono.Posix");
1759 if (!mono_posix_image) {
1760 MonoAssembly *sa = mono_assembly_open ("Mono.Posix.dll", NULL);
1762 *error = WSAENOPROTOOPT;
1765 mono_posix_image = mono_assembly_get_image (sa);
1770 obj_class = mono_class_from_name(mono_posix_image,
1773 obj = mono_object_new(domain, obj_class);
1774 cred_data = (MonoPeerCredData *)obj;
1775 cred_data->pid = cred.pid;
1776 cred_data->uid = cred.uid;
1777 cred_data->gid = cred.gid;
1783 obj = int_to_object (domain, val);
1789 void ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal(SOCKET sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *error)
1797 MONO_ARCH_SAVE_REGS;
1801 ret=convert_sockopt_level_and_name(level, name, &system_level,
1804 *error = WSAENOPROTOOPT;
1810 valsize=mono_array_length(*byte_val);
1811 buf=mono_array_addr(*byte_val, guchar, 0);
1813 ret = _wapi_getsockopt (sock, system_level, system_name, buf, &valsize);
1814 if(ret==SOCKET_ERROR) {
1815 *error = WSAGetLastError ();
1819 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
1820 static struct in_addr ipaddress_to_struct_in_addr(MonoObject *ipaddr)
1822 struct in_addr inaddr;
1823 MonoClassField *field;
1825 field=mono_class_get_field_from_name(ipaddr->vtable->klass, "m_Address");
1827 /* No idea why .net uses a 64bit type to hold a 32bit value...
1829 * Internal value of IPAddess is in little-endian order
1831 inaddr.s_addr=GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr)+field->offset));
1838 static struct in6_addr ipaddress_to_struct_in6_addr(MonoObject *ipaddr)
1840 struct in6_addr in6addr;
1841 MonoClassField *field;
1845 field=mono_class_get_field_from_name(ipaddr->vtable->klass, "m_Numbers");
1846 data=*(MonoArray **)(((char *)ipaddr) + field->offset);
1848 /* Solaris has only the 8 bit version. */
1850 for(i=0; i<8; i++) {
1851 guint16 s = mono_array_get (data, guint16, i);
1852 in6addr.s6_addr[2 * i] = (s >> 8) & 0xff;
1853 in6addr.s6_addr[2 * i + 1] = s & 0xff;
1857 in6addr.s6_addr16[i] = mono_array_get (data, guint16, i);
1861 #endif /* AF_INET6 */
1863 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)
1874 #ifdef HAVE_SOL_IPV6
1875 sol_ipv6 = SOL_IPV6;
1878 struct protoent *pent;
1879 pent = getprotobyname ("ipv6");
1880 sol_ipv6 = (pent != NULL) ? pent->p_proto : 41;
1888 struct protoent *pent;
1889 pent = getprotobyname ("ip");
1890 sol_ip = (pent != NULL) ? pent->p_proto : 0;
1893 #endif /* AF_INET6 */
1895 MONO_ARCH_SAVE_REGS;
1897 ret=convert_sockopt_level_and_name(level, name, &system_level,
1900 *error = WSAENOPROTOOPT;
1907 /* Only one of obj_val, byte_val or int_val has data */
1909 MonoClassField *field;
1910 struct linger linger;
1914 case SocketOptionName_DontLinger:
1917 valsize=sizeof(linger);
1918 ret = _wapi_setsockopt (sock, system_level,
1919 system_name, &linger, valsize);
1922 case SocketOptionName_Linger:
1923 /* Dig out "bool enabled" and "int seconds"
1926 field=mono_class_get_field_from_name(obj_val->vtable->klass, "enabled");
1927 linger.l_onoff=*(guint8 *)(((char *)obj_val)+field->offset);
1928 field=mono_class_get_field_from_name(obj_val->vtable->klass, "seconds");
1929 linger.l_linger=*(guint32 *)(((char *)obj_val)+field->offset);
1931 valsize=sizeof(linger);
1932 ret = _wapi_setsockopt (sock, system_level,
1933 system_name, &linger, valsize);
1935 case SocketOptionName_AddMembership:
1936 case SocketOptionName_DropMembership:
1937 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
1939 MonoObject *address = NULL;
1942 if(system_level == sol_ipv6) {
1943 struct ipv6_mreq mreq6;
1948 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
1949 address = *(gpointer *)(((char *)obj_val) + field->offset);
1952 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
1955 field=mono_class_get_field_from_name(obj_val->vtable->klass, "ifIndex");
1956 mreq6.ipv6mr_interface =*(guint64 *)(((char *)obj_val)+field->offset);
1958 ret = _wapi_setsockopt (sock, system_level,
1959 system_name, &mreq6,
1961 } else if(system_level == sol_ip)
1962 #endif /* AF_INET6 */
1964 #ifdef HAVE_STRUCT_IP_MREQN
1965 struct ip_mreqn mreq = {{0}};
1967 struct ip_mreq mreq = {{0}};
1968 #endif /* HAVE_STRUCT_IP_MREQN */
1970 /* pain! MulticastOption holds two IPAddress
1971 * members, so I have to dig the value out of
1974 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
1975 address = *(gpointer *)(((char *)obj_val) + field->offset);
1977 /* address might not be defined and if so, set the address to ADDR_ANY.
1980 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
1983 field = mono_class_get_field_from_name (obj_val->vtable->klass, "local");
1984 address = *(gpointer *)(((char *)obj_val) + field->offset);
1986 #ifdef HAVE_STRUCT_IP_MREQN
1988 mreq.imr_address = ipaddress_to_struct_in_addr (address);
1992 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
1994 #endif /* HAVE_STRUCT_IP_MREQN */
1996 ret = _wapi_setsockopt (sock, system_level,
2002 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2004 /* Cause an exception to be thrown */
2008 } else if (byte_val!=NULL) {
2009 int valsize=mono_array_length(byte_val);
2010 guchar *buf=mono_array_addr(byte_val, guchar, 0);
2012 ret = _wapi_setsockopt (sock, system_level, system_name, buf, valsize);
2013 if(ret==SOCKET_ERROR) {
2014 *error = WSAGetLastError ();
2018 /* ReceiveTimeout/SendTimeout get here */
2020 case SocketOptionName_DontFragment:
2021 #ifdef HAVE_IP_MTU_DISCOVER
2022 /* Fiddle with the value slightly if we're
2026 int_val = IP_PMTUDISC_DO;
2032 ret = _wapi_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2036 if(ret==SOCKET_ERROR) {
2037 *error = WSAGetLastError ();
2041 void ves_icall_System_Net_Sockets_Socket_Shutdown_internal(SOCKET sock,
2047 MONO_ARCH_SAVE_REGS;
2051 /* Currently, the values for how (recv=0, send=1, both=2) match
2054 ret = _wapi_shutdown (sock, how);
2055 if(ret==SOCKET_ERROR) {
2056 *error = WSAGetLastError ();
2061 ves_icall_System_Net_Sockets_Socket_WSAIoctl (SOCKET sock, gint32 code,
2063 MonoArray *output, gint32 *error)
2065 glong output_bytes = 0;
2066 gchar *i_buffer, *o_buffer;
2070 MONO_ARCH_SAVE_REGS;
2074 if (code == FIONBIO) {
2075 /* Invalid command. Must use Socket.Blocking */
2079 if (input == NULL) {
2083 i_buffer = mono_array_addr (input, gchar, 0);
2084 i_len = mono_array_length (input);
2087 if (output == NULL) {
2091 o_buffer = mono_array_addr (output, gchar, 0);
2092 o_len = mono_array_length (output);
2095 ret = WSAIoctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes, NULL, NULL);
2096 if (ret == SOCKET_ERROR) {
2097 *error = WSAGetLastError ();
2101 return (gint) output_bytes;
2104 #ifdef HAVE_SIOCGIFCONF
2106 is_loopback (int family, void *ad)
2108 char *ptr = (char *) ad;
2110 if (family == AF_INET) {
2111 return (ptr [0] == 127);
2115 return (IN6_IS_ADDR_LOOPBACK ((struct in6_addr *) ptr));
2122 get_local_ips (int family, int *nips)
2124 int addr_size, offset, fd, i, count;
2125 int max_ifaces = 50; /* 50 interfaces should be enough... */
2128 struct ifreq iflags;
2129 char *result, *tmp_ptr;
2130 gboolean ignore_loopback = FALSE;
2133 if (family == AF_INET) {
2134 addr_size = sizeof (struct in_addr);
2135 offset = G_STRUCT_OFFSET (struct sockaddr_in, sin_addr);
2137 } else if (family == AF_INET6) {
2138 addr_size = sizeof (struct in6_addr);
2139 offset = G_STRUCT_OFFSET (struct sockaddr_in6, sin6_addr);
2145 fd = socket (family, SOCK_STREAM, 0);
2147 ifc.ifc_len = max_ifaces * sizeof (struct ifreq);
2148 ifc.ifc_buf = g_malloc (ifc.ifc_len);
2149 if (ioctl (fd, SIOCGIFCONF, &ifc) < 0) {
2151 g_free (ifc.ifc_buf);
2155 count = ifc.ifc_len / sizeof (struct ifreq);
2158 g_free (ifc.ifc_buf);
2163 for (i = 0, ifr = ifc.ifc_req; i < *nips; i++, ifr++) {
2164 strcpy (iflags.ifr_name, ifr->ifr_name);
2165 if (ioctl (fd, SIOCGIFFLAGS, &iflags) < 0) {
2169 if ((iflags.ifr_flags & IFF_UP) == 0) {
2170 ifr->ifr_name [0] = '\0';
2174 if ((iflags.ifr_flags & IFF_LOOPBACK) == 0) {
2175 ignore_loopback = TRUE;
2180 result = g_malloc (addr_size * count);
2182 for (i = 0, ifr = ifc.ifc_req; i < count; i++, ifr++) {
2183 if (ifr->ifr_name [0] == '\0') {
2188 if (ignore_loopback && is_loopback (family, ((char *) &ifr->ifr_addr) + offset)) {
2193 memcpy (tmp_ptr, ((char *) &ifr->ifr_addr) + offset, addr_size);
2194 tmp_ptr += addr_size;
2197 g_free (ifc.ifc_buf);
2202 get_local_ips (int family, int *nips)
2208 #endif /* HAVE_SIOCGIFCONF */
2211 static gboolean hostent_to_IPHostEntry(struct hostent *he, MonoString **h_name,
2212 MonoArray **h_aliases,
2213 MonoArray **h_addr_list,
2214 gboolean add_local_ips)
2216 MonoDomain *domain = mono_domain_get ();
2218 struct in_addr *local_in = NULL;
2221 if(he->h_length!=4 || he->h_addrtype!=AF_INET) {
2225 *h_name=mono_string_new(domain, he->h_name);
2228 while(he->h_aliases[i]!=NULL) {
2232 *h_aliases=mono_array_new(domain, mono_get_string_class (), i);
2234 while(he->h_aliases[i]!=NULL) {
2237 alias=mono_string_new(domain, he->h_aliases[i]);
2238 mono_array_setref (*h_aliases, i, alias);
2242 if (add_local_ips) {
2243 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2245 *h_addr_list = mono_array_new(domain, mono_get_string_class (), nlocal_in);
2246 for (i = 0; i < nlocal_in; i++) {
2247 MonoString *addr_string;
2248 char addr [16], *ptr;
2250 ptr = (char *) &local_in [i];
2251 g_snprintf(addr, 16, "%u.%u.%u.%u",
2252 (unsigned char) ptr [0],
2253 (unsigned char) ptr [1],
2254 (unsigned char) ptr [2],
2255 (unsigned char) ptr [3]);
2257 addr_string = mono_string_new (domain, addr);
2258 mono_array_setref (*h_addr_list, i, addr_string);
2266 if (nlocal_in == 0) {
2268 while (he->h_addr_list[i]!=NULL) {
2272 *h_addr_list=mono_array_new(domain, mono_get_string_class (), i);
2274 while(he->h_addr_list[i]!=NULL) {
2275 MonoString *addr_string;
2278 g_snprintf(addr, 16, "%u.%u.%u.%u",
2279 (unsigned char)he->h_addr_list[i][0],
2280 (unsigned char)he->h_addr_list[i][1],
2281 (unsigned char)he->h_addr_list[i][2],
2282 (unsigned char)he->h_addr_list[i][3]);
2284 addr_string=mono_string_new(domain, addr);
2285 mono_array_setref (*h_addr_list, i, addr_string);
2293 static gboolean ipaddr_to_IPHostEntry(const char *addr, MonoString **h_name,
2294 MonoArray **h_aliases,
2295 MonoArray **h_addr_list)
2297 MonoDomain *domain = mono_domain_get ();
2299 *h_name=mono_string_new(domain, addr);
2300 *h_aliases=mono_array_new(domain, mono_get_string_class (), 0);
2301 *h_addr_list=mono_array_new(domain, mono_get_string_class (), 1);
2302 mono_array_setref (*h_addr_list, 0, *h_name);
2308 #if defined(AF_INET6) && defined(HAVE_GETHOSTBYNAME2_R)
2309 static gboolean hostent_to_IPHostEntry2(struct hostent *he1,struct hostent *he2, MonoString **h_name,
2310 MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips)
2312 MonoDomain *domain = mono_domain_get ();
2313 int i, host_count, host_index, family_hint;
2314 struct in_addr *local_in = NULL;
2316 struct in6_addr *local_in6 = NULL;
2318 gboolean from_local = FALSE;
2320 family_hint = get_family_hint ();
2322 if(he1 == NULL && he2 == NULL) {
2327 * Check if address length and family are correct
2329 if (he1 != NULL && (he1->h_length!=4 || he1->h_addrtype!=AF_INET)) {
2333 if (he2 != NULL && (he2->h_length!=16 || he2->h_addrtype!=AF_INET6)) {
2338 * Get the aliases and host name from he1 or he2 whichever is
2339 * not null, if he1 is not null then take aliases from he1
2341 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2342 family_hint == PF_INET)) {
2343 *h_name=mono_string_new (domain, he1->h_name);
2346 while(he1->h_aliases[i]!=NULL) {
2350 *h_aliases=mono_array_new (domain, mono_get_string_class (),
2353 while(he1->h_aliases[i]!=NULL) {
2356 alias=mono_string_new (domain, he1->h_aliases[i]);
2357 mono_array_setref (*h_aliases, i, alias);
2360 } else if (he2 != NULL && (family_hint == PF_UNSPEC ||
2361 family_hint == PF_INET6)) {
2362 *h_name=mono_string_new (domain, he2->h_name);
2365 while(he2->h_aliases [i] != NULL) {
2369 *h_aliases=mono_array_new (domain, mono_get_string_class (),
2372 while(he2->h_aliases[i]!=NULL) {
2375 alias=mono_string_new (domain, he2->h_aliases[i]);
2376 mono_array_setref (*h_aliases, i, alias);
2384 * Count the number of addresses in he1 + he2
2387 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2388 family_hint == PF_INET)) {
2390 while(he1->h_addr_list[i]!=NULL) {
2396 if (he2 != NULL && (family_hint == PF_UNSPEC ||
2397 family_hint == PF_INET6)) {
2399 while(he2->h_addr_list[i]!=NULL) {
2409 if (add_local_ips) {
2410 if (family_hint == PF_UNSPEC || family_hint == PF_INET)
2411 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2413 if (family_hint == PF_UNSPEC || family_hint == PF_INET6)
2414 local_in6 = (struct in6_addr *) get_local_ips (AF_INET6, &nlocal_in6);
2416 if (nlocal_in || nlocal_in6) {
2418 *h_addr_list = mono_array_new (domain, mono_get_string_class (),
2419 nlocal_in + nlocal_in6);
2423 for (n = 0; n < nlocal_in6; n++) {
2424 MonoString *addr_string;
2426 char addr[48]; /* INET6_ADDRSTRLEN == 46, but IPv6 addresses can be 48 bytes with the trailing NULL */
2428 ret = inet_ntop (AF_INET6, &local_in6 [n], addr, sizeof(addr));
2431 addr_string = mono_string_new (domain, addr);
2432 mono_array_setref (*h_addr_list, host_index, addr_string);
2440 for (n = 0; n < nlocal_in; n++) {
2441 MonoString *addr_string;
2443 char addr[16]; /* INET_ADDRSTRLEN == 16 */
2445 ret = inet_ntop (AF_INET, &local_in [n], addr, sizeof(addr));
2448 addr_string = mono_string_new (domain, addr);
2449 mono_array_setref (*h_addr_list, host_index, addr_string);
2463 *h_addr_list=mono_array_new (domain, mono_get_string_class (), host_count);
2465 if (he2 != NULL && (family_hint == PF_UNSPEC ||
2466 family_hint == PF_INET6)) {
2468 while(he2->h_addr_list[i] != NULL) {
2469 MonoString *addr_string;
2471 char addr[48]; /* INET6_ADDRSTRLEN == 46, but IPv6 addresses can be 48 bytes long with the trailing NULL */
2473 ret = inet_ntop (AF_INET6, he2->h_addr_list[i], addr,
2477 addr_string = mono_string_new (domain, addr);
2478 mono_array_setref (*h_addr_list, host_index, addr_string);
2485 if (he1 != NULL && (family_hint == PF_UNSPEC ||
2486 family_hint == PF_INET)) {
2488 while(he1->h_addr_list[i] != NULL) {
2489 MonoString *addr_string;
2491 char addr[16]; /* INET_ADDRSTRLEN == 16 */
2493 ret = inet_ntop (AF_INET, he1->h_addr_list[i], addr,
2497 addr_string=mono_string_new (domain, addr);
2498 mono_array_setref (*h_addr_list, host_index, addr_string);
2509 #if defined(AF_INET6)
2511 addrinfo_to_IPHostEntry(struct addrinfo *info, MonoString **h_name,
2512 MonoArray **h_aliases,
2513 MonoArray **h_addr_list,
2514 gboolean add_local_ips)
2517 struct addrinfo *ai = NULL;
2518 struct in_addr *local_in = NULL;
2520 struct in6_addr *local_in6 = NULL;
2524 MonoDomain *domain = mono_domain_get ();
2527 *h_aliases=mono_array_new(domain, mono_get_string_class (), 0);
2528 if (add_local_ips) {
2529 local_in = (struct in_addr *) get_local_ips (AF_INET, &nlocal_in);
2530 local_in6 = (struct in6_addr *) get_local_ips (AF_INET6, &nlocal_in6);
2531 if (nlocal_in || nlocal_in6) {
2532 *h_addr_list=mono_array_new(domain, mono_get_string_class (), nlocal_in + nlocal_in6);
2534 MonoString *addr_string;
2538 for (i = 0; i < nlocal_in; i++) {
2539 inet_ntop (AF_INET, &local_in [i], addr, sizeof (addr));
2540 addr_string = mono_string_new (domain, addr);
2541 mono_array_setref (*h_addr_list, addr_index, addr_string);
2547 MonoString *addr_string;
2552 for (i = 0; i < nlocal_in6; i++) {
2553 ret = inet_ntop (AF_INET6, &local_in6 [i], addr, sizeof (addr));
2555 addr_string = mono_string_new (domain, addr);
2556 mono_array_setref (*h_addr_list, addr_index, addr_string);
2565 freeaddrinfo (info);
2574 for (count=0, ai=info; ai!=NULL; ai=ai->ai_next) {
2575 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
2581 *h_addr_list=mono_array_new(domain, mono_get_string_class (), count);
2583 for (ai=info, i=0; ai!=NULL; ai=ai->ai_next) {
2584 MonoString *addr_string;
2586 char buffer [48]; /* Max. size for IPv6 */
2588 if((ai->ai_family != PF_INET) && (ai->ai_family != PF_INET6)) {
2592 if(ai->ai_family == PF_INET) {
2593 ret = inet_ntop(ai->ai_family, (void*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr), buffer, 16);
2595 ret = inet_ntop(ai->ai_family, (void*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr), buffer, 48);
2599 addr_string=mono_string_new(domain, buffer);
2601 addr_string=mono_string_new(domain, "");
2604 mono_array_setref (*h_addr_list, addr_index, addr_string);
2606 if(!i && ai->ai_canonname != NULL) {
2607 *h_name=mono_string_new(domain, ai->ai_canonname);
2622 MonoBoolean ves_icall_System_Net_Dns_GetHostByName_internal(MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2624 gboolean add_local_ips = FALSE;
2625 #ifdef HAVE_SIOCGIFCONF
2626 gchar this_hostname [256];
2628 #if !defined(HAVE_GETHOSTBYNAME2_R)
2629 struct addrinfo *info = NULL, hints;
2632 MONO_ARCH_SAVE_REGS;
2634 hostname=mono_string_to_utf8 (host);
2635 #ifdef HAVE_SIOCGIFCONF
2636 if (gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2637 if (!strcmp (hostname, this_hostname))
2638 add_local_ips = TRUE;
2642 memset(&hints, 0, sizeof(hints));
2643 hints.ai_family = get_family_hint ();
2644 hints.ai_socktype = SOCK_STREAM;
2645 hints.ai_flags = AI_CANONNAME;
2647 if (getaddrinfo(hostname, NULL, &hints, &info) == -1) {
2653 return(addrinfo_to_IPHostEntry(info, h_name, h_aliases, h_addr_list, add_local_ips));
2655 struct hostent he1,*hp1, he2, *hp2;
2656 int buffer_size1, buffer_size2;
2657 char *buffer1, *buffer2;
2659 gboolean return_value;
2662 MONO_ARCH_SAVE_REGS;
2664 hostname=mono_string_to_utf8 (host);
2666 #ifdef HAVE_SIOCGIFCONF
2667 if (gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2668 if (!strcmp (hostname, this_hostname))
2669 add_local_ips = TRUE;
2675 buffer1 = g_malloc0(buffer_size1);
2676 buffer2 = g_malloc0(buffer_size2);
2678 while (gethostbyname2_r(hostname, AF_INET, &he1, buffer1, buffer_size1,
2679 &hp1, &herr) == ERANGE) {
2681 buffer1 = g_realloc(buffer1, buffer_size1);
2686 while (gethostbyname2_r(hostname, AF_INET6, &he2, buffer2,
2687 buffer_size2, &hp2, &herr) == ERANGE) {
2689 buffer2 = g_realloc(buffer2, buffer_size2);
2695 return_value = hostent_to_IPHostEntry2(hp1, hp2, h_name, h_aliases,
2696 h_addr_list, add_local_ips);
2702 return(return_value);
2703 #endif /* HAVE_GETHOSTBYNAME2_R */
2705 #else /* AF_INET6 */
2706 MonoBoolean ves_icall_System_Net_Dns_GetHostByName_internal(MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2710 gboolean add_local_ips = FALSE;
2711 #ifdef HAVE_SIOCGIFCONF
2712 gchar this_hostname [256];
2715 MONO_ARCH_SAVE_REGS;
2717 hostname=mono_string_to_utf8(host);
2718 #ifdef HAVE_SIOCGIFCONF
2719 if (gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2720 if (!strcmp (hostname, this_hostname))
2721 add_local_ips = TRUE;
2725 he = _wapi_gethostbyname (hostname);
2732 return(hostent_to_IPHostEntry(he, h_name, h_aliases, h_addr_list, add_local_ips));
2734 #endif /* AF_INET6 */
2736 #ifndef HAVE_INET_PTON
2738 inet_pton (int family, const char *address, void *inaddrp)
2740 if (family == AF_INET) {
2741 #ifdef HAVE_INET_ATON
2742 struct in_addr inaddr;
2744 if (!inet_aton (address, &inaddr))
2747 memcpy (inaddrp, &inaddr, sizeof (struct in_addr));
2750 /* assume the system has inet_addr(), if it doesn't
2751 have that we're pretty much screwed... */
2754 if (!strcmp (address, "255.255.255.255")) {
2755 /* special-case hack */
2756 inaddr = 0xffffffff;
2758 inaddr = inet_addr (address);
2760 #define INADDR_NONE ((in_addr_t) -1)
2762 if (inaddr == INADDR_NONE)
2766 memcpy (inaddrp, &inaddr, sizeof (guint32));
2768 #endif /* HAVE_INET_ATON */
2773 #endif /* !HAVE_INET_PTON */
2775 extern MonoBoolean ves_icall_System_Net_Dns_GetHostByAddr_internal(MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list)
2778 const char *version;
2782 struct sockaddr_in saddr;
2783 struct sockaddr_in6 saddr6;
2784 struct addrinfo *info = NULL, hints;
2786 char hostname[1024] = {0};
2789 struct in_addr inaddr;
2794 MONO_ARCH_SAVE_REGS;
2796 version = mono_get_runtime_info ()->framework_version;
2797 v1 = (version[0] == '1');
2799 address = mono_string_to_utf8 (addr);
2802 if (inet_pton (AF_INET, address, &saddr.sin_addr ) <= 0) {
2803 /* Maybe an ipv6 address */
2804 if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) <= 0) {
2810 saddr6.sin6_family = AF_INET6;
2815 saddr.sin_family = AF_INET;
2820 flags = NI_NAMEREQD;
2823 if(family == AF_INET) {
2824 if(getnameinfo ((struct sockaddr*)&saddr, sizeof(saddr),
2825 hostname, sizeof(hostname), NULL, 0,
2829 } else if(family == AF_INET6) {
2830 if(getnameinfo ((struct sockaddr*)&saddr6, sizeof(saddr6),
2831 hostname, sizeof(hostname), NULL, 0,
2837 memset (&hints, 0, sizeof(hints));
2838 hints.ai_family = get_family_hint ();
2839 hints.ai_socktype = SOCK_STREAM;
2840 hints.ai_flags = AI_CANONNAME;
2842 if( getaddrinfo (hostname, NULL, &hints, &info) == -1 ) {
2846 return(addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE));
2848 if (inet_pton (AF_INET, address, &inaddr) <= 0) {
2853 if ((he = gethostbyaddr ((char *) &inaddr, sizeof (inaddr), AF_INET)) == NULL) {
2857 ret = ipaddr_to_IPHostEntry (address, h_name,
2858 h_aliases, h_addr_list);
2861 ret = hostent_to_IPHostEntry (he, h_name, h_aliases,
2862 h_addr_list, FALSE);
2870 extern MonoBoolean ves_icall_System_Net_Dns_GetHostName_internal(MonoString **h_name)
2872 gchar hostname[256];
2875 MONO_ARCH_SAVE_REGS;
2877 ret = gethostname (hostname, sizeof (hostname));
2882 *h_name=mono_string_new(mono_domain_get (), hostname);
2887 void mono_network_init(void)
2892 err=WSAStartup(MAKEWORD(2,0), &wsadata);
2894 g_error(G_GNUC_PRETTY_FUNCTION ": Couldn't initialise networking");
2899 g_message(G_GNUC_PRETTY_FUNCTION ": Using socket library: %s", wsadata.szDescription);
2900 g_message(G_GNUC_PRETTY_FUNCTION ": Socket system status: %s", wsadata.szSystemStatus);
2904 void mono_network_cleanup(void)