3 * Socket IO internal calls
6 * Dick Porter (dick@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
12 * This file has been re-licensed under the MIT License:
13 * http://opensource.org/licenses/MIT
14 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
19 #ifndef DISABLE_SOCKETS
21 #if defined(__APPLE__) || defined(__FreeBSD__)
22 #define __APPLE_USE_RFC_3542
31 #include <sys/socket.h>
32 #ifdef HAVE_SYS_IOCTL_H
33 #include <sys/ioctl.h>
35 #include <netinet/in.h>
36 #include <netinet/tcp.h>
40 #include <arpa/inet.h>
47 #include <sys/types.h>
49 #include <mono/metadata/object.h>
50 #include <mono/metadata/exception.h>
51 #include <mono/metadata/assembly-internals.h>
52 #include <mono/metadata/appdomain.h>
53 #include <mono/metadata/w32file.h>
54 #include <mono/metadata/threads.h>
55 #include <mono/metadata/threads-types.h>
56 #include <mono/metadata/threadpool-io.h>
57 #include <mono/utils/mono-poll.h>
58 /* FIXME change this code to not mess so much with the internals */
59 #include <mono/metadata/class-internals.h>
60 #include <mono/metadata/domain-internals.h>
61 #include <mono/utils/mono-threads.h>
62 #include <mono/utils/mono-memory-model.h>
63 #include <mono/utils/networking.h>
64 #include <mono/metadata/w32handle.h>
65 #include <mono/metadata/w32socket.h>
66 #include <mono/metadata/w32socket-internals.h>
67 #include <mono/metadata/w32error.h>
70 #ifdef HAVE_SYS_TIME_H
73 #ifdef HAVE_SYS_IOCTL_H
74 #include <sys/ioctl.h>
83 #ifdef HAVE_SYS_FILIO_H
84 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
86 #ifdef HAVE_SYS_SOCKIO_H
87 #include <sys/sockio.h> /* defines SIOCATMARK */
93 #ifdef HAVE_GETIFADDRS
94 // <net/if.h> must be included before <ifaddrs.h>
98 #if defined(_MSC_VER) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
102 #define LOGDEBUG(...)
103 /* define LOGDEBUG(...) g_message(__VA_ARGS__) */
108 mono_w32socket_socket (int domain, int type, int protocol)
110 return WSASocket (domain, type, protocol, NULL, 0, WSA_FLAG_OVERLAPPED);
114 mono_w32socket_bind (SOCKET sock, struct sockaddr *addr, socklen_t addrlen)
116 return bind (sock, addr, addrlen);
120 mono_w32socket_getpeername (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
122 return getpeername (sock, name, namelen);
126 mono_w32socket_getsockname (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
128 return getsockname (sock, name, namelen);
132 mono_w32socket_getsockopt (SOCKET sock, gint level, gint optname, gpointer optval, socklen_t *optlen)
134 return getsockopt (sock, level, optname, optval, optlen);
138 mono_w32socket_setsockopt (SOCKET sock, gint level, gint optname, const gpointer optval, socklen_t optlen)
140 return setsockopt (sock, level, optname, optval, optlen);
144 mono_w32socket_listen (SOCKET sock, gint backlog)
146 return listen (sock, backlog);
150 mono_w32socket_shutdown (SOCKET sock, gint how)
152 return shutdown (sock, how);
156 mono_w32socket_ioctl (SOCKET sock, gint32 command, gchar *input, gint inputlen, gchar *output, gint outputlen, glong *written)
158 return WSAIoctl (sock, command, input, inputlen, output, outputlen, written, NULL, NULL);
162 mono_w32socket_close (SOCKET sock)
164 return CloseHandle (sock);
167 #endif /* HOST_WIN32 */
170 abort_syscall (gpointer data)
172 mono_thread_info_abort_socket_syscall_for_close ((MonoNativeThreadId) (gsize) data);
176 convert_family (MonoAddressFamily mono_family)
178 switch (mono_family) {
179 case AddressFamily_Unknown:
180 case AddressFamily_ImpLink:
181 case AddressFamily_Pup:
182 case AddressFamily_Chaos:
183 case AddressFamily_Iso:
184 case AddressFamily_Ecma:
185 case AddressFamily_DataKit:
186 case AddressFamily_Ccitt:
187 case AddressFamily_DataLink:
188 case AddressFamily_Lat:
189 case AddressFamily_HyperChannel:
190 case AddressFamily_NetBios:
191 case AddressFamily_VoiceView:
192 case AddressFamily_FireFox:
193 case AddressFamily_Banyan:
194 case AddressFamily_Atm:
195 case AddressFamily_Cluster:
196 case AddressFamily_Ieee12844:
197 case AddressFamily_NetworkDesigners:
198 g_warning ("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
200 case AddressFamily_Unspecified:
202 case AddressFamily_Unix:
204 case AddressFamily_InterNetwork:
206 case AddressFamily_AppleTalk:
212 case AddressFamily_InterNetworkV6:
213 #ifdef HAVE_STRUCT_SOCKADDR_IN6
218 case AddressFamily_DecNet:
224 case AddressFamily_Ipx:
230 case AddressFamily_Sna:
236 case AddressFamily_Irda:
243 g_warning ("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
248 static MonoAddressFamily
249 convert_to_mono_family (guint16 af_family)
253 return AddressFamily_Unspecified;
255 return AddressFamily_Unix;
257 return AddressFamily_InterNetwork;
260 return AddressFamily_Ipx;
264 return AddressFamily_Sna;
268 return AddressFamily_DecNet;
272 return AddressFamily_AppleTalk;
274 #ifdef HAVE_STRUCT_SOCKADDR_IN6
276 return AddressFamily_InterNetworkV6;
280 return AddressFamily_Irda;
283 g_warning ("unknown address family 0x%x", af_family);
284 return AddressFamily_Unknown;
289 convert_type (MonoSocketType mono_type)
292 case SocketType_Stream:
294 case SocketType_Dgram:
304 case SocketType_Seqpacket:
305 #ifdef SOCK_SEQPACKET
306 return SOCK_SEQPACKET;
310 case SocketType_Unknown:
311 g_warning ("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
314 g_warning ("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
320 convert_proto (MonoProtocolType mono_proto)
322 switch (mono_proto) {
323 case ProtocolType_IP:
324 case ProtocolType_IPv6:
325 case ProtocolType_Icmp:
326 case ProtocolType_Igmp:
327 case ProtocolType_Ggp:
328 case ProtocolType_Tcp:
329 case ProtocolType_Pup:
330 case ProtocolType_Udp:
331 case ProtocolType_Idp:
332 /* These protocols are known (on my system at least) */
334 case ProtocolType_ND:
335 case ProtocolType_Raw:
336 case ProtocolType_Ipx:
337 case ProtocolType_Spx:
338 case ProtocolType_SpxII:
339 case ProtocolType_Unknown:
340 /* These protocols arent */
341 g_warning ("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
348 /* Convert MonoSocketFlags */
350 convert_socketflags (gint32 sflags)
355 /* SocketFlags.None */
358 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
359 SocketFlags_DontRoute | SocketFlags_Partial))
360 /* Contains invalid flag values */
364 if (sflags & SocketFlags_OutOfBand)
367 if (sflags & SocketFlags_Peek)
369 if (sflags & SocketFlags_DontRoute)
370 flags |= MSG_DONTROUTE;
372 /* Ignore Partial - see bug 349688. Don't return -1, because
373 * according to the comment in that bug ms runtime doesn't for
374 * UDP sockets (this means we will silently ignore it for TCP
378 if (sflags & SocketFlags_Partial)
382 /* Don't do anything for MaxIOVectorLength */
383 if (sflags & SocketFlags_MaxIOVectorLength)
391 * 0 on success (mapped mono_level and mono_name to system_level and system_name
393 * -2 on non-fatal error (ie, must ignore)
396 convert_sockopt_level_and_name (MonoSocketOptionLevel mono_level, MonoSocketOptionName mono_name, int *system_level, int *system_name)
398 switch (mono_level) {
399 case SocketOptionLevel_Socket:
400 *system_level = SOL_SOCKET;
403 case SocketOptionName_DontLinger:
404 /* This is SO_LINGER, because the setsockopt
405 * internal call maps DontLinger to SO_LINGER
408 *system_name = SO_LINGER;
411 case SocketOptionName_Debug:
412 *system_name = SO_DEBUG;
416 case SocketOptionName_AcceptConnection:
417 *system_name = SO_ACCEPTCONN;
420 case SocketOptionName_ReuseAddress:
421 *system_name = SO_REUSEADDR;
423 case SocketOptionName_KeepAlive:
424 *system_name = SO_KEEPALIVE;
427 case SocketOptionName_DontRoute:
428 *system_name = SO_DONTROUTE;
431 case SocketOptionName_Broadcast:
432 *system_name = SO_BROADCAST;
434 case SocketOptionName_Linger:
435 *system_name = SO_LINGER;
438 case SocketOptionName_OutOfBandInline:
439 *system_name = SO_OOBINLINE;
442 case SocketOptionName_SendBuffer:
443 *system_name = SO_SNDBUF;
445 case SocketOptionName_ReceiveBuffer:
446 *system_name = SO_RCVBUF;
448 case SocketOptionName_SendLowWater:
449 *system_name = SO_SNDLOWAT;
451 case SocketOptionName_ReceiveLowWater:
452 *system_name = SO_RCVLOWAT;
454 case SocketOptionName_SendTimeout:
455 *system_name = SO_SNDTIMEO;
457 case SocketOptionName_ReceiveTimeout:
458 *system_name = SO_RCVTIMEO;
460 case SocketOptionName_Error:
461 *system_name = SO_ERROR;
463 case SocketOptionName_Type:
464 *system_name = SO_TYPE;
467 case SocketOptionName_PeerCred:
468 *system_name = SO_PEERCRED;
471 case SocketOptionName_ExclusiveAddressUse:
472 #ifdef SO_EXCLUSIVEADDRUSE
473 *system_name = SO_EXCLUSIVEADDRUSE;
476 case SocketOptionName_UseLoopback:
477 #ifdef SO_USELOOPBACK
478 *system_name = SO_USELOOPBACK;
481 case SocketOptionName_MaxConnections:
483 *system_name = SO_MAXCONN;
485 #elif defined(SOMAXCONN)
486 *system_name = SOMAXCONN;
490 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
495 case SocketOptionLevel_IP:
496 *system_level = mono_networking_get_ip_protocol ();
500 case SocketOptionName_IPOptions:
501 *system_name = IP_OPTIONS;
505 case SocketOptionName_HeaderIncluded:
506 *system_name = IP_HDRINCL;
510 case SocketOptionName_TypeOfService:
511 *system_name = IP_TOS;
515 case SocketOptionName_IpTimeToLive:
516 *system_name = IP_TTL;
519 case SocketOptionName_MulticastInterface:
520 *system_name = IP_MULTICAST_IF;
522 case SocketOptionName_MulticastTimeToLive:
523 *system_name = IP_MULTICAST_TTL;
525 case SocketOptionName_MulticastLoopback:
526 *system_name = IP_MULTICAST_LOOP;
528 case SocketOptionName_AddMembership:
529 *system_name = IP_ADD_MEMBERSHIP;
531 case SocketOptionName_DropMembership:
532 *system_name = IP_DROP_MEMBERSHIP;
534 #ifdef HAVE_IP_PKTINFO
535 case SocketOptionName_PacketInformation:
536 *system_name = IP_PKTINFO;
538 #endif /* HAVE_IP_PKTINFO */
540 case SocketOptionName_DontFragment:
541 #ifdef HAVE_IP_DONTFRAGMENT
542 *system_name = IP_DONTFRAGMENT;
544 #elif defined HAVE_IP_MTU_DISCOVER
545 /* Not quite the same */
546 *system_name = IP_MTU_DISCOVER;
549 /* If the flag is not available on this system, we can ignore this error */
551 #endif /* HAVE_IP_DONTFRAGMENT */
552 case SocketOptionName_AddSourceMembership:
553 case SocketOptionName_DropSourceMembership:
554 case SocketOptionName_BlockSource:
555 case SocketOptionName_UnblockSource:
556 /* Can't figure out how to map these, so fall
560 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
565 case SocketOptionLevel_IPv6:
566 *system_level = mono_networking_get_ipv6_protocol ();
569 case SocketOptionName_IpTimeToLive:
570 case SocketOptionName_HopLimit:
571 *system_name = IPV6_UNICAST_HOPS;
573 case SocketOptionName_MulticastInterface:
574 *system_name = IPV6_MULTICAST_IF;
576 case SocketOptionName_MulticastTimeToLive:
577 *system_name = IPV6_MULTICAST_HOPS;
579 case SocketOptionName_MulticastLoopback:
580 *system_name = IPV6_MULTICAST_LOOP;
582 case SocketOptionName_AddMembership:
583 *system_name = IPV6_JOIN_GROUP;
585 case SocketOptionName_DropMembership:
586 *system_name = IPV6_LEAVE_GROUP;
588 case SocketOptionName_IPv6Only:
590 *system_name = IPV6_V6ONLY;
595 case SocketOptionName_PacketInformation:
596 #ifdef HAVE_IPV6_PKTINFO
597 *system_name = IPV6_PKTINFO;
600 case SocketOptionName_HeaderIncluded:
601 case SocketOptionName_IPOptions:
602 case SocketOptionName_TypeOfService:
603 case SocketOptionName_DontFragment:
604 case SocketOptionName_AddSourceMembership:
605 case SocketOptionName_DropSourceMembership:
606 case SocketOptionName_BlockSource:
607 case SocketOptionName_UnblockSource:
608 /* Can't figure out how to map these, so fall
612 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
615 break; /* SocketOptionLevel_IPv6 */
617 case SocketOptionLevel_Tcp:
618 *system_level = mono_networking_get_tcp_protocol ();
621 case SocketOptionName_NoDelay:
622 *system_name = TCP_NODELAY;
625 /* The documentation is talking complete
626 * bollocks here: rfc-1222 is titled
627 * 'Advancing the NSFNET Routing Architecture'
628 * and doesn't mention either of the words
629 * "expedite" or "urgent".
631 case SocketOptionName_BsdUrgent:
632 case SocketOptionName_Expedited:
635 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
640 case SocketOptionLevel_Udp:
641 g_warning ("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
644 case SocketOptionName_NoChecksum:
645 case SocketOptionName_ChecksumCoverage:
647 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
654 g_warning ("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
662 get_socket_assembly (void)
664 MonoDomain *domain = mono_domain_get ();
666 if (domain->socket_assembly == NULL) {
667 MonoImage *socket_assembly;
669 socket_assembly = mono_image_loaded ("System");
670 if (!socket_assembly) {
671 MonoAssembly *sa = mono_assembly_open_predicate ("System.dll", FALSE, FALSE, NULL, NULL, NULL);
674 g_assert_not_reached ();
676 socket_assembly = mono_assembly_get_image (sa);
679 mono_atomic_store_release (&domain->socket_assembly, socket_assembly);
682 return domain->socket_assembly;
686 ves_icall_System_Net_Sockets_Socket_Socket_internal (MonoObject *this_obj, gint32 family, gint32 type, gint32 proto, gint32 *werror)
695 sock_family = convert_family ((MonoAddressFamily)family);
696 if (sock_family == -1) {
697 *werror = WSAEAFNOSUPPORT;
701 sock_proto = convert_proto ((MonoProtocolType)proto);
702 if (sock_proto == -1) {
703 *werror = WSAEPROTONOSUPPORT;
707 sock_type = convert_type ((MonoSocketType)type);
708 if (sock_type == -1) {
709 *werror = WSAESOCKTNOSUPPORT;
713 sock = mono_w32socket_socket (sock_family, sock_type, sock_proto);
715 if (sock == INVALID_SOCKET) {
716 *werror = mono_w32socket_get_last_error ();
720 return GUINT_TO_POINTER (sock);
723 /* FIXME: the SOCKET parameter (here and in other functions in this
724 * file) is really an IntPtr which needs to be converted to a guint32.
727 ves_icall_System_Net_Sockets_Socket_Close_internal (gsize sock, gint32 *werror)
729 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
733 /* Clear any pending work item from this socket if the underlying
734 * polling system does not notify when the socket is closed */
735 mono_threadpool_io_remove_socket (GPOINTER_TO_INT (sock));
738 mono_w32socket_close ((SOCKET) sock);
743 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal (void)
745 LOGDEBUG (g_message("%s: returning %d", __func__, mono_w32socket_get_last_error ()));
747 return mono_w32socket_get_last_error ();
751 ves_icall_System_Net_Sockets_Socket_Available_internal (gsize sock, gint32 *werror)
758 /* FIXME: this might require amount to be unsigned long. */
759 ret = mono_w32socket_get_available (sock, &amount);
760 if (ret == SOCKET_ERROR) {
761 *werror = mono_w32socket_get_last_error ();
769 ves_icall_System_Net_Sockets_Socket_Blocking_internal (gsize sock, gboolean block, gint32 *werror)
775 ret = mono_w32socket_set_blocking (sock, block);
776 if (ret == SOCKET_ERROR)
777 *werror = mono_w32socket_get_last_error ();
781 ves_icall_System_Net_Sockets_Socket_Accept_internal (gsize sock, gint32 *werror, gboolean blocking)
783 gboolean interrupted;
788 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
795 newsock = mono_w32socket_accept (sock, NULL, 0, blocking);
798 if (newsock == INVALID_SOCKET)
799 *werror = mono_w32socket_get_last_error ();
801 mono_thread_info_uninstall_interrupt (&interrupted);
808 return GUINT_TO_POINTER (newsock);
812 ves_icall_System_Net_Sockets_Socket_Listen_internal(gsize sock, guint32 backlog, gint32 *werror)
820 ret = mono_w32socket_listen (sock, backlog);
824 if (ret == SOCKET_ERROR)
825 *werror = mono_w32socket_get_last_error ();
828 #ifdef HAVE_STRUCT_SOCKADDR_IN6
829 // Check whether it's ::ffff::0:0.
831 is_ipv4_mapped_any (const struct in6_addr *addr)
835 for (i = 0; i < 10; i++) {
836 if (addr->s6_addr [i])
839 if ((addr->s6_addr [10] != 0xff) || (addr->s6_addr [11] != 0xff))
841 for (i = 12; i < 16; i++) {
842 if (addr->s6_addr [i])
850 create_object_from_sockaddr (struct sockaddr *saddr, int sa_size, gint32 *werror, MonoError *error)
852 MonoDomain *domain = mono_domain_get ();
853 MonoObject *sockaddr_obj;
855 MonoAddressFamily family;
859 /* Build a System.Net.SocketAddress object instance */
860 if (!domain->sockaddr_class)
861 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
862 sockaddr_obj = mono_object_new_checked (domain, domain->sockaddr_class, error);
863 return_val_if_nok (error, NULL);
865 /* Locate the SocketAddress data buffer in the object */
866 if (!domain->sockaddr_data_field) {
867 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
868 g_assert (domain->sockaddr_data_field);
871 /* Locate the SocketAddress data buffer length in the object */
872 if (!domain->sockaddr_data_length_field) {
873 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
874 g_assert (domain->sockaddr_data_length_field);
877 /* May be the +2 here is too conservative, as sa_len returns
878 * the length of the entire sockaddr_in/in6, including
879 * sizeof (unsigned short) of the family */
880 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
881 data = mono_array_new_cached (domain, mono_get_byte_class (), sa_size + 2, error);
882 return_val_if_nok (error, NULL);
884 /* The data buffer is laid out as follows:
885 * bytes 0 and 1 are the address family
886 * bytes 2 and 3 are the port info
887 * the rest is the address info
890 family = convert_to_mono_family (saddr->sa_family);
891 if (family == AddressFamily_Unknown) {
892 *werror = WSAEAFNOSUPPORT;
896 mono_array_set (data, guint8, 0, family & 0x0FF);
897 mono_array_set (data, guint8, 1, (family >> 8) & 0x0FF);
899 if (saddr->sa_family == AF_INET) {
900 struct sockaddr_in *sa_in = (struct sockaddr_in *)saddr;
901 guint16 port = ntohs (sa_in->sin_port);
902 guint32 address = ntohl (sa_in->sin_addr.s_addr);
905 if (sa_size < buffer_size) {
906 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
910 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
911 mono_array_set (data, guint8, 3, (port) & 0xff);
912 mono_array_set (data, guint8, 4, (address>>24) & 0xff);
913 mono_array_set (data, guint8, 5, (address>>16) & 0xff);
914 mono_array_set (data, guint8, 6, (address>>8) & 0xff);
915 mono_array_set (data, guint8, 7, (address) & 0xff);
917 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
918 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
922 #ifdef HAVE_STRUCT_SOCKADDR_IN6
923 else if (saddr->sa_family == AF_INET6) {
924 struct sockaddr_in6 *sa_in = (struct sockaddr_in6 *)saddr;
926 int buffer_size = 28;
928 guint16 port = ntohs (sa_in->sin6_port);
930 if (sa_size < buffer_size) {
931 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
935 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
936 mono_array_set (data, guint8, 3, (port) & 0xff);
938 if (is_ipv4_mapped_any (&sa_in->sin6_addr)) {
939 // Map ::ffff:0:0 to :: (bug #5502)
940 for (i = 0; i < 16; i++)
941 mono_array_set (data, guint8, 8 + i, 0);
943 for (i = 0; i < 16; i++) {
944 mono_array_set (data, guint8, 8 + i,
945 sa_in->sin6_addr.s6_addr [i]);
949 mono_array_set (data, guint8, 24, sa_in->sin6_scope_id & 0xff);
950 mono_array_set (data, guint8, 25,
951 (sa_in->sin6_scope_id >> 8) & 0xff);
952 mono_array_set (data, guint8, 26,
953 (sa_in->sin6_scope_id >> 16) & 0xff);
954 mono_array_set (data, guint8, 27,
955 (sa_in->sin6_scope_id >> 24) & 0xff);
957 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
958 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
964 else if (saddr->sa_family == AF_UNIX) {
966 int buffer_size = sa_size + 2;
968 for (i = 0; i < sa_size; i++)
969 mono_array_set (data, guint8, i + 2, saddr->sa_data [i]);
971 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
972 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
978 *werror = WSAEAFNOSUPPORT;
984 get_sockaddr_size (int family)
989 if (family == AF_INET) {
990 size = sizeof (struct sockaddr_in);
992 #ifdef HAVE_STRUCT_SOCKADDR_IN6
993 else if (family == AF_INET6) {
994 size = sizeof (struct sockaddr_in6);
998 else if (family == AF_UNIX) {
999 size = sizeof (struct sockaddr_un);
1006 ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
1016 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1018 *werror = WSAEAFNOSUPPORT;
1021 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1025 ret = mono_w32socket_getsockname (sock, (struct sockaddr *)sa, &salen);
1029 if (ret == SOCKET_ERROR) {
1030 *werror = mono_w32socket_get_last_error ();
1036 LOGDEBUG (g_message("%s: bound to %s port %d", __func__, inet_ntoa (((struct sockaddr_in *)&sa)->sin_addr), ntohs (((struct sockaddr_in *)&sa)->sin_port)));
1038 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1041 if (!mono_error_ok (&error))
1042 mono_error_set_pending_exception (&error);
1047 ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
1057 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1059 *werror = WSAEAFNOSUPPORT;
1062 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1063 /* Note: linux returns just 2 for AF_UNIX. Always. */
1067 ret = mono_w32socket_getpeername (sock, (struct sockaddr *)sa, &salen);
1071 if (ret == SOCKET_ERROR) {
1072 *werror = mono_w32socket_get_last_error ();
1078 LOGDEBUG (g_message("%s: connected to %s port %d", __func__, inet_ntoa (((struct sockaddr_in *)&sa)->sin_addr), ntohs (((struct sockaddr_in *)&sa)->sin_port)));
1080 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1083 if (!mono_error_ok (&error))
1084 mono_error_set_pending_exception (&error);
1088 static struct sockaddr*
1089 create_sockaddr_from_object (MonoObject *saddr_obj, socklen_t *sa_size, gint32 *werror, MonoError *error)
1091 MonoDomain *domain = mono_domain_get ();
1098 if (!domain->sockaddr_class)
1099 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
1101 /* Locate the SocketAddress data buffer in the object */
1102 if (!domain->sockaddr_data_field) {
1103 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
1104 g_assert (domain->sockaddr_data_field);
1107 /* Locate the SocketAddress data buffer length in the object */
1108 if (!domain->sockaddr_data_length_field) {
1109 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
1110 g_assert (domain->sockaddr_data_length_field);
1113 data = *(MonoArray **)(((char *)saddr_obj) + domain->sockaddr_data_field->offset);
1115 /* The data buffer is laid out as follows:
1116 * byte 0 is the address family low byte
1117 * byte 1 is the address family high byte
1119 * bytes 2 and 3 are the port info
1120 * the rest is the address info
1122 * the rest is the file name
1124 len = *(int *)(((char *)saddr_obj) + domain->sockaddr_data_length_field->offset);
1125 g_assert (len >= 2);
1127 family = convert_family ((MonoAddressFamily)(mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8)));
1128 if (family == AF_INET) {
1129 struct sockaddr_in *sa;
1134 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1138 sa = g_new0 (struct sockaddr_in, 1);
1139 port = (mono_array_get (data, guint8, 2) << 8) +
1140 mono_array_get (data, guint8, 3);
1141 address = (mono_array_get (data, guint8, 4) << 24) +
1142 (mono_array_get (data, guint8, 5) << 16 ) +
1143 (mono_array_get (data, guint8, 6) << 8) +
1144 mono_array_get (data, guint8, 7);
1146 sa->sin_family = family;
1147 sa->sin_addr.s_addr = htonl (address);
1148 sa->sin_port = htons (port);
1150 *sa_size = sizeof (struct sockaddr_in);
1151 return (struct sockaddr *)sa;
1153 #ifdef HAVE_STRUCT_SOCKADDR_IN6
1154 else if (family == AF_INET6) {
1155 struct sockaddr_in6 *sa;
1161 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1165 sa = g_new0 (struct sockaddr_in6, 1);
1166 port = mono_array_get (data, guint8, 3) +
1167 (mono_array_get (data, guint8, 2) << 8);
1168 scopeid = mono_array_get (data, guint8, 24) +
1169 (mono_array_get (data, guint8, 25) << 8) +
1170 (mono_array_get (data, guint8, 26) << 16) +
1171 (mono_array_get (data, guint8, 27) << 24);
1173 sa->sin6_family = family;
1174 sa->sin6_port = htons (port);
1175 sa->sin6_scope_id = scopeid;
1177 for (i = 0; i < 16; i++)
1178 sa->sin6_addr.s6_addr [i] = mono_array_get (data, guint8, 8 + i);
1180 *sa_size = sizeof (struct sockaddr_in6);
1181 return (struct sockaddr *)sa;
1184 #ifdef HAVE_SYS_UN_H
1185 else if (family == AF_UNIX) {
1186 struct sockaddr_un *sock_un;
1189 /* Need a byte for the '\0' terminator/prefix, and the first
1190 * two bytes hold the SocketAddress family
1192 if (len - 2 >= sizeof (sock_un->sun_path)) {
1193 mono_error_set_exception_instance (error, mono_get_exception_index_out_of_range ());
1197 sock_un = g_new0 (struct sockaddr_un, 1);
1199 sock_un->sun_family = family;
1200 for (i = 0; i < len - 2; i++)
1201 sock_un->sun_path [i] = mono_array_get (data, guint8, i + 2);
1204 return (struct sockaddr *)sock_un;
1208 *werror = WSAEAFNOSUPPORT;
1214 ves_icall_System_Net_Sockets_Socket_Bind_internal (gsize sock, MonoObject *sockaddr, gint32 *werror)
1217 struct sockaddr *sa;
1223 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1226 if (!mono_error_ok (&error)) {
1227 mono_error_set_pending_exception (&error);
1231 LOGDEBUG (g_message("%s: binding to %s port %d", __func__, inet_ntoa (((struct sockaddr_in *)sa)->sin_addr), ntohs (((struct sockaddr_in *)sa)->sin_port)));
1233 ret = mono_w32socket_bind (sock, sa, sa_size);
1235 if (ret == SOCKET_ERROR)
1236 *werror = mono_w32socket_get_last_error ();
1248 ves_icall_System_Net_Sockets_Socket_Poll_internal (gsize sock, gint mode,
1249 gint timeout, gint32 *werror)
1251 MonoInternalThread *thread = mono_thread_internal_current ();
1254 gboolean interrupted;
1259 pfds = g_new0 (mono_pollfd, 1);
1260 pfds->fd = GPOINTER_TO_INT (sock);
1263 case SelectModeRead:
1264 pfds->events = MONO_POLLIN;
1266 case SelectModeWrite:
1267 pfds->events = MONO_POLLOUT;
1270 pfds->events = MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL;
1274 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1275 start = time (NULL);
1278 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1287 ret = mono_poll (pfds, 1, timeout);
1291 mono_thread_info_uninstall_interrupt (&interrupted);
1298 if (timeout > 0 && ret < 0) {
1300 int sec = time (NULL) - start;
1302 timeout -= sec * 1000;
1310 if (ret == -1 && errno == EINTR) {
1311 if (mono_thread_test_state (thread, ThreadState_AbortRequested)) {
1316 /* Suspend requested? */
1317 mono_thread_interruption_checkpoint ();
1321 } while (ret == -1 && errno == EINTR);
1324 *werror = mono_w32socket_convert_error (errno);
1334 ves_icall_System_Net_Sockets_Socket_Connect_internal (gsize sock, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1337 struct sockaddr *sa;
1340 gboolean interrupted;
1344 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1347 if (!mono_error_ok (&error)) {
1348 mono_error_set_pending_exception (&error);
1352 LOGDEBUG (g_message("%s: connecting to %s port %d", __func__, inet_ntoa (((struct sockaddr_in *)sa)->sin_addr), ntohs (((struct sockaddr_in *)sa)->sin_port)));
1354 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1361 ret = mono_w32socket_connect (sock, sa, sa_size, blocking);
1364 if (ret == SOCKET_ERROR)
1365 *werror = mono_w32socket_get_last_error ();
1367 mono_thread_info_uninstall_interrupt (&interrupted);
1374 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
1377 ves_icall_System_Net_Sockets_Socket_Disconnect_internal (gsize sock, MonoBoolean reuse, gint32 *werror)
1379 gboolean interrupted;
1381 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1383 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1390 *werror = mono_w32socket_disconnect (sock, reuse);
1393 mono_thread_info_uninstall_interrupt (&interrupted);
1397 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
1400 ves_icall_System_Net_Sockets_Socket_Receive_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1406 gboolean interrupted;
1407 MonoInternalThread* curthread G_GNUC_UNUSED = mono_thread_internal_current ();
1411 alen = mono_array_length (buffer);
1412 if (offset > alen - count)
1415 buf = mono_array_addr (buffer, gchar, offset);
1417 recvflags = convert_socketflags (flags);
1418 if (recvflags == -1) {
1419 *werror = WSAEOPNOTSUPP;
1423 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1428 ret = mono_w32socket_recv (sock, buf, count, recvflags, blocking);
1431 if (ret == SOCKET_ERROR)
1432 *werror = mono_w32socket_get_last_error ();
1434 mono_thread_info_uninstall_interrupt (&interrupted);
1445 ves_icall_System_Net_Sockets_Socket_Receive_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1448 gboolean interrupted;
1451 guint32 recvflags = 0;
1455 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1456 count = mono_array_length (buffers);
1458 recvflags = convert_socketflags (flags);
1459 if (recvflags == -1) {
1460 *werror = WSAEOPNOTSUPP;
1464 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1471 ret = mono_w32socket_recvbuffers (sock, wsabufs, count, &recv, &recvflags, NULL, NULL, blocking);
1474 if (ret == SOCKET_ERROR)
1475 *werror = mono_w32socket_get_last_error ();
1477 mono_thread_info_uninstall_interrupt (&interrupted);
1488 ves_icall_System_Net_Sockets_Socket_ReceiveFrom_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *werror, gboolean blocking)
1495 struct sockaddr *sa;
1497 gboolean interrupted;
1501 alen = mono_array_length (buffer);
1502 if (offset > alen - count)
1505 sa = create_sockaddr_from_object (*sockaddr, &sa_size, werror, &error);
1508 if (!mono_error_ok (&error)) {
1509 mono_error_set_pending_exception (&error);
1513 buf = mono_array_addr (buffer, gchar, offset);
1515 recvflags = convert_socketflags (flags);
1516 if (recvflags == -1) {
1517 *werror = WSAEOPNOTSUPP;
1521 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1529 ret = mono_w32socket_recvfrom (sock, buf, count, recvflags, sa, &sa_size, blocking);
1532 if (ret == SOCKET_ERROR)
1533 *werror = mono_w32socket_get_last_error ();
1535 mono_thread_info_uninstall_interrupt (&interrupted);
1545 /* If we didn't get a socket size, then we're probably a
1546 * connected connection-oriented socket and the stack hasn't
1547 * returned the remote address. All we can do is return null.
1550 *sockaddr = create_object_from_sockaddr (sa, sa_size, werror, &error);
1551 if (!mono_error_ok (&error)) {
1552 mono_error_set_pending_exception (&error);
1566 ves_icall_System_Net_Sockets_Socket_Send_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1572 gboolean interrupted;
1576 alen = mono_array_length (buffer);
1577 if (offset > alen - count)
1580 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1582 buf = mono_array_addr (buffer, gchar, offset);
1584 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1586 sendflags = convert_socketflags (flags);
1587 if (sendflags == -1) {
1588 *werror = WSAEOPNOTSUPP;
1592 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1599 ret = mono_w32socket_send (sock, buf, count, sendflags, blocking);
1602 if (ret == SOCKET_ERROR)
1603 *werror = mono_w32socket_get_last_error ();
1605 mono_thread_info_uninstall_interrupt (&interrupted);
1616 ves_icall_System_Net_Sockets_Socket_Send_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1621 guint32 sendflags = 0;
1622 gboolean interrupted;
1626 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1627 count = mono_array_length (buffers);
1629 sendflags = convert_socketflags (flags);
1630 if (sendflags == -1) {
1631 *werror = WSAEOPNOTSUPP;
1635 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1642 ret = mono_w32socket_sendbuffers (sock, wsabufs, count, &sent, sendflags, NULL, NULL, blocking);
1645 if (ret == SOCKET_ERROR)
1646 *werror = mono_w32socket_get_last_error ();
1648 mono_thread_info_uninstall_interrupt (&interrupted);
1659 ves_icall_System_Net_Sockets_Socket_SendTo_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1666 struct sockaddr *sa;
1668 gboolean interrupted;
1672 alen = mono_array_length (buffer);
1673 if (offset > alen - count) {
1677 sa = create_sockaddr_from_object(sockaddr, &sa_size, werror, &error);
1680 if (!mono_error_ok (&error)) {
1681 mono_error_set_pending_exception (&error);
1685 LOGDEBUG (g_message ("%s: alen: %d", __func__, alen));
1687 buf = mono_array_addr (buffer, gchar, offset);
1689 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1691 sendflags = convert_socketflags (flags);
1692 if (sendflags == -1) {
1694 *werror = WSAEOPNOTSUPP;
1698 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1706 ret = mono_w32socket_sendto (sock, buf, count, sendflags, sa, sa_size, blocking);
1709 if (ret == SOCKET_ERROR)
1710 *werror = mono_w32socket_get_last_error ();
1712 mono_thread_info_uninstall_interrupt (&interrupted);
1725 Socket_to_SOCKET (MonoObject *sockobj)
1727 MonoSafeHandle *safe_handle;
1728 MonoClassField *field;
1730 field = mono_class_get_field_from_name (sockobj->vtable->klass, "m_Handle");
1731 safe_handle = ((MonoSafeHandle *)(*(gpointer *)(((char *)sockobj) + field->offset)));
1733 if (safe_handle == NULL)
1736 return (SOCKET)safe_handle->handle;
1739 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1742 ves_icall_System_Net_Sockets_Socket_Select_internal (MonoArray **sockets, gint32 timeout, gint32 *werror)
1745 MonoInternalThread *thread = mono_thread_internal_current ();
1752 MonoClass *sock_arr_class;
1755 uintptr_t socks_size;
1756 gboolean interrupted;
1760 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1761 count = mono_array_length (*sockets);
1762 nfds = count - 3; /* NULL separators */
1763 pfds = g_new0 (mono_pollfd, nfds);
1765 for (i = 0; i < count; i++) {
1766 obj = mono_array_get (*sockets, MonoObject *, i);
1773 /* The socket array was bogus */
1775 *werror = WSAEFAULT;
1779 pfds [idx].fd = Socket_to_SOCKET (obj);
1780 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1784 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1785 start = time (NULL);
1787 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1796 ret = mono_poll (pfds, nfds, timeout);
1800 mono_thread_info_uninstall_interrupt (&interrupted);
1807 if (timeout > 0 && ret < 0) {
1809 int sec = time (NULL) - start;
1811 timeout -= sec * 1000;
1817 if (ret == -1 && errno == EINTR) {
1818 if (mono_thread_test_state (thread, ThreadState_AbortRequested)) {
1824 /* Suspend requested? */
1825 mono_thread_interruption_checkpoint ();
1829 } while (ret == -1 && errno == EINTR);
1832 *werror = mono_w32socket_convert_error (errno);
1843 sock_arr_class = ((MonoObject *)*sockets)->vtable->klass;
1844 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1845 socks = mono_array_new_full_checked (mono_domain_get (), sock_arr_class, &socks_size, NULL, &error);
1846 if (!mono_error_ok (&error)) {
1847 mono_error_set_pending_exception (&error);
1853 for (i = 0; i < count && ret > 0; i++) {
1856 obj = mono_array_get (*sockets, MonoObject *, i);
1863 pfd = &pfds [i - mode];
1864 if (pfd->revents == 0)
1868 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1869 mono_array_setref (socks, idx++, obj);
1870 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1871 mono_array_setref (socks, idx++, obj);
1872 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1873 mono_array_setref (socks, idx++, obj);
1882 int_to_object (MonoDomain *domain, int val, MonoError *error)
1884 return mono_value_box_checked (domain, mono_get_int32_class (), &val, error);
1888 ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal (gsize sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *werror)
1890 int system_level = 0;
1891 int system_name = 0;
1894 socklen_t valsize = sizeof (val);
1895 struct linger linger;
1896 socklen_t lingersize = sizeof (linger);
1898 socklen_t time_ms_size = sizeof (time_ms);
1900 # if defined(__OpenBSD__)
1901 struct sockpeercred cred;
1905 socklen_t credsize = sizeof (cred);
1908 MonoDomain *domain = mono_domain_get ();
1910 MonoClass *obj_class;
1911 MonoClassField *field;
1915 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1916 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1917 system_level = SOL_SOCKET;
1918 system_name = SO_REUSEADDR;
1923 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level, &system_name);
1927 *werror = WSAENOPROTOOPT;
1931 *obj_val = int_to_object (domain, 0, &error);
1932 mono_error_set_pending_exception (&error);
1938 /* No need to deal with MulticastOption names here, because
1939 * you cant getsockopt AddMembership or DropMembership (the
1940 * int getsockopt will error, causing an exception)
1943 case SocketOptionName_Linger:
1944 case SocketOptionName_DontLinger:
1945 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &linger, &lingersize);
1948 case SocketOptionName_SendTimeout:
1949 case SocketOptionName_ReceiveTimeout:
1950 ret = mono_w32socket_getsockopt (sock, system_level, system_name, (char *)&time_ms, &time_ms_size);
1954 case SocketOptionName_PeerCred:
1955 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &cred, &credsize);
1960 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &val, &valsize);
1965 if (ret == SOCKET_ERROR) {
1966 *werror = mono_w32socket_get_last_error ();
1971 case SocketOptionName_Linger:
1972 /* build a System.Net.Sockets.LingerOption */
1973 obj_class = mono_class_load_from_name (get_socket_assembly (),
1974 "System.Net.Sockets",
1976 obj = mono_object_new_checked (domain, obj_class, &error);
1977 if (!mono_error_ok (&error)) {
1978 mono_error_set_pending_exception (&error);
1982 /* Locate and set the fields "bool enabled" and "int
1985 field = mono_class_get_field_from_name(obj_class, "enabled");
1986 *(guint8 *)(((char *)obj)+field->offset) = linger.l_onoff;
1988 field = mono_class_get_field_from_name(obj_class, "lingerTime");
1989 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1991 case SocketOptionName_DontLinger:
1992 /* construct a bool int in val - true if linger is off */
1993 obj = int_to_object (domain, !linger.l_onoff, &error);
1994 mono_error_set_pending_exception (&error);
1996 case SocketOptionName_SendTimeout:
1997 case SocketOptionName_ReceiveTimeout:
1998 obj = int_to_object (domain, time_ms, &error);
1999 mono_error_set_pending_exception (&error);
2003 case SocketOptionName_PeerCred: {
2005 * build a Mono.Posix.PeerCred+PeerCredData if
2008 static MonoImage *mono_posix_image = NULL;
2009 MonoPeerCredData *cred_data;
2011 if (mono_posix_image == NULL) {
2012 mono_posix_image = mono_image_loaded ("Mono.Posix");
2013 if (!mono_posix_image) {
2014 MonoAssembly *sa = mono_assembly_open_predicate ("Mono.Posix.dll", FALSE, FALSE, NULL, NULL, NULL);
2016 *werror = WSAENOPROTOOPT;
2019 mono_posix_image = mono_assembly_get_image (sa);
2024 obj_class = mono_class_load_from_name (mono_posix_image,
2027 obj = mono_object_new_checked (domain, obj_class, &error);
2028 if (!mono_error_ok (&error)) {
2029 mono_error_set_pending_exception (&error);
2032 cred_data = (MonoPeerCredData *)obj;
2033 cred_data->pid = cred.pid;
2034 cred_data->uid = cred.uid;
2035 cred_data->gid = cred.gid;
2041 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2042 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
2045 obj = int_to_object (domain, val, &error);
2046 mono_error_set_pending_exception (&error);
2053 ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal (gsize sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *werror)
2055 int system_level = 0;
2056 int system_name = 0;
2063 ret = convert_sockopt_level_and_name((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2066 *werror = WSAENOPROTOOPT;
2072 valsize = mono_array_length (*byte_val);
2073 buf = mono_array_addr (*byte_val, guchar, 0);
2077 ret = mono_w32socket_getsockopt (sock, system_level, system_name, buf, &valsize);
2081 if (ret == SOCKET_ERROR)
2082 *werror = mono_w32socket_get_last_error ();
2085 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2086 static struct in_addr
2087 ipaddress_to_struct_in_addr (MonoObject *ipaddr)
2089 struct in_addr inaddr;
2090 MonoClassField *field;
2092 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Address");
2094 /* No idea why .net uses a 64bit type to hold a 32bit value...
2096 * Internal value of IPAddess is in little-endian order
2098 inaddr.s_addr = GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr) + field->offset));
2103 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2104 static struct in6_addr
2105 ipaddress_to_struct_in6_addr (MonoObject *ipaddr)
2107 struct in6_addr in6addr;
2108 MonoClassField *field;
2112 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Numbers");
2114 data = *(MonoArray **)(((char *)ipaddr) + field->offset);
2116 for (i = 0; i < 8; i++) {
2117 const guint16 s = GUINT16_TO_BE (mono_array_get (data, guint16, i));
2119 /* Solaris/MacOS have only the 8 bit version. */
2121 in6addr.s6_addr[2 * i + 1] = (s >> 8) & 0xff;
2122 in6addr.s6_addr[2 * i] = s & 0xff;
2124 in6addr.s6_addr16[i] = s;
2132 #if defined(__APPLE__) || defined(__FreeBSD__)
2135 get_local_interface_id (int family)
2137 #if !defined(HAVE_GETIFADDRS) || !defined(HAVE_IF_NAMETOINDEX)
2140 struct ifaddrs *ifap = NULL, *ptr;
2143 if (getifaddrs (&ifap))
2146 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2147 if (!ptr->ifa_addr || !ptr->ifa_name)
2149 if (ptr->ifa_addr->sa_family != family)
2151 if ((ptr->ifa_flags & IFF_LOOPBACK) != 0)
2153 if ((ptr->ifa_flags & IFF_MULTICAST) == 0)
2156 idx = if_nametoindex (ptr->ifa_name);
2165 #endif /* defined(__APPLE__) || defined(__FreeBSD__) */
2168 ves_icall_System_Net_Sockets_Socket_SetSocketOption_internal (gsize sock, gint32 level, gint32 name, MonoObject *obj_val, MonoArray *byte_val, gint32 int_val, gint32 *werror)
2170 struct linger linger;
2171 int system_level = 0;
2172 int system_name = 0;
2179 sol_ipv6 = mono_networking_get_ipv6_protocol ();
2180 sol_ip = mono_networking_get_ip_protocol ();
2182 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2185 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2186 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2187 system_name = SO_REUSEADDR;
2188 int_val = int_val ? 0 : 1;
2194 *werror = WSAENOPROTOOPT;
2200 /* Only one of obj_val, byte_val or int_val has data */
2202 MonoClassField *field;
2206 case SocketOptionName_Linger:
2207 /* Dig out "bool enabled" and "int lingerTime"
2210 field = mono_class_get_field_from_name (obj_val->vtable->klass, "enabled");
2211 linger.l_onoff = *(guint8 *)(((char *)obj_val) + field->offset);
2212 field = mono_class_get_field_from_name (obj_val->vtable->klass, "lingerTime");
2213 linger.l_linger = *(guint32 *)(((char *)obj_val) + field->offset);
2215 valsize = sizeof (linger);
2216 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, valsize);
2218 case SocketOptionName_AddMembership:
2219 case SocketOptionName_DropMembership:
2220 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2222 MonoObject *address = NULL;
2223 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2224 if (system_level == sol_ipv6) {
2225 struct ipv6_mreq mreq6;
2230 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Group");
2232 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2235 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2237 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Interface");
2238 mreq6.ipv6mr_interface = *(guint64 *)(((char *)obj_val) + field->offset);
2240 #if defined(__APPLE__) || defined(__FreeBSD__)
2244 * Mac OS Lion doesn't allow ipv6mr_interface = 0.
2246 * Tests on Windows and Linux show that the multicast group is only
2247 * joined on one NIC when interface = 0, so we simply use the interface
2248 * id from the first non-loopback interface (this is also what
2249 * Dns.GetHostName (string.Empty) would return).
2251 if (!mreq6.ipv6mr_interface)
2252 mreq6.ipv6mr_interface = get_local_interface_id (AF_INET6);
2255 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq6, sizeof (mreq6));
2257 break; // Don't check sol_ip
2260 if (system_level == sol_ip) {
2261 #ifdef HAVE_STRUCT_IP_MREQN
2262 struct ip_mreqn mreq = {{0}};
2264 struct ip_mreq mreq = {{0}};
2265 #endif /* HAVE_STRUCT_IP_MREQN */
2268 * pain! MulticastOption holds two IPAddress
2269 * members, so I have to dig the value out of
2272 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2273 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2275 /* address might not be defined and if so, set the address to ADDR_ANY.
2278 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2280 field = mono_class_get_field_from_name (obj_val->vtable->klass, "localAddress");
2281 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2283 #ifdef HAVE_STRUCT_IP_MREQN
2285 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2287 field = mono_class_get_field_from_name (obj_val->vtable->klass, "ifIndex");
2288 mreq.imr_ifindex = *(gint32 *)(((char *)obj_val) + field->offset);
2291 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2292 #endif /* HAVE_STRUCT_IP_MREQN */
2294 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq, sizeof (mreq));
2298 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2300 /* Cause an exception to be thrown */
2301 *werror = WSAEINVAL;
2304 } else if (byte_val!=NULL) {
2305 int valsize = mono_array_length (byte_val);
2306 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2309 case SocketOptionName_DontLinger:
2311 linger.l_onoff = (*buf) ? 0 : 1;
2312 linger.l_linger = 0;
2313 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2315 *werror = WSAEINVAL;
2319 ret = mono_w32socket_setsockopt (sock, system_level, system_name, buf, valsize);
2323 /* ReceiveTimeout/SendTimeout get here */
2325 case SocketOptionName_DontLinger:
2326 linger.l_onoff = !int_val;
2327 linger.l_linger = 0;
2328 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2330 case SocketOptionName_MulticastInterface:
2332 #ifdef HAVE_STRUCT_IP_MREQN
2333 int_val = GUINT32_FROM_BE (int_val);
2334 if ((int_val & 0xff000000) == 0) {
2335 /* int_val is interface index */
2336 struct ip_mreqn mreq = {{0}};
2337 mreq.imr_ifindex = int_val;
2338 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &mreq, sizeof (mreq));
2341 int_val = GUINT32_TO_BE (int_val);
2342 #endif /* HAVE_STRUCT_IP_MREQN */
2343 #endif /* HOST_WIN32 */
2344 /* int_val is in_addr */
2345 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2347 case SocketOptionName_DontFragment:
2348 #ifdef HAVE_IP_MTU_DISCOVER
2349 /* Fiddle with the value slightly if we're
2353 int_val = IP_PMTUDISC_DO;
2358 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2362 if (ret == SOCKET_ERROR)
2363 *werror = mono_w32socket_get_last_error ();
2367 ves_icall_System_Net_Sockets_Socket_Shutdown_internal (gsize sock, gint32 how, gint32 *werror)
2370 gboolean interrupted;
2374 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2382 /* Currently, the values for how (recv=0, send=1, both=2) match the BSD API */
2383 ret = mono_w32socket_shutdown (sock, how);
2387 if (ret == SOCKET_ERROR)
2388 *werror = mono_w32socket_get_last_error ();
2390 mono_thread_info_uninstall_interrupt (&interrupted);
2398 ves_icall_System_Net_Sockets_Socket_IOControl_internal (gsize sock, gint32 code, MonoArray *input, MonoArray *output, gint32 *werror)
2400 glong output_bytes = 0;
2401 gchar *i_buffer, *o_buffer;
2407 if ((guint32)code == FIONBIO)
2408 /* Invalid command. Must use Socket.Blocking */
2411 if (input == NULL) {
2415 i_buffer = mono_array_addr (input, gchar, 0);
2416 i_len = mono_array_length (input);
2419 if (output == NULL) {
2423 o_buffer = mono_array_addr (output, gchar, 0);
2424 o_len = mono_array_length (output);
2429 ret = mono_w32socket_ioctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes);
2433 if (ret == SOCKET_ERROR) {
2434 *werror = mono_w32socket_get_last_error ();
2438 return (gint)output_bytes;
2442 addrinfo_to_IPHostEntry (MonoAddressInfo *info, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips, MonoError *error)
2445 MonoAddressEntry *ai = NULL;
2446 struct in_addr *local_in = NULL;
2448 struct in6_addr *local_in6 = NULL;
2451 MonoDomain *domain = mono_domain_get ();
2455 *h_aliases = mono_array_new_checked (domain, mono_get_string_class (), 0, error);
2456 return_val_if_nok (error, FALSE);
2457 if (add_local_ips) {
2458 local_in = (struct in_addr *) mono_get_local_interfaces (AF_INET, &nlocal_in);
2459 local_in6 = (struct in6_addr *) mono_get_local_interfaces (AF_INET6, &nlocal_in6);
2460 if (nlocal_in || nlocal_in6) {
2461 char addr [INET6_ADDRSTRLEN];
2462 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), nlocal_in + nlocal_in6, error);
2467 MonoString *addr_string;
2470 for (i = 0; i < nlocal_in; i++) {
2472 mono_address_init (&maddr, AF_INET, &local_in [i]);
2473 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2474 addr_string = mono_string_new_checked (domain, addr, error);
2477 mono_array_setref (*h_addr_list, addr_index, addr_string);
2482 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2484 MonoString *addr_string;
2487 for (i = 0; i < nlocal_in6; i++) {
2489 mono_address_init (&maddr, AF_INET6, &local_in6 [i]);
2490 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2491 addr_string = mono_string_new_checked (domain, addr, error);
2494 mono_array_setref (*h_addr_list, addr_index, addr_string);
2504 mono_free_address_info (info);
2505 return is_ok (error);;
2512 for (count = 0, ai = info->entries; ai != NULL; ai = ai->next) {
2513 if (ai->family != AF_INET && ai->family != AF_INET6)
2518 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), count, error);
2522 for (ai = info->entries, i = 0; ai != NULL; ai = ai->next) {
2524 MonoString *addr_string;
2525 char buffer [INET6_ADDRSTRLEN]; /* Max. size for IPv6 */
2527 if ((ai->family != PF_INET) && (ai->family != PF_INET6))
2530 mono_address_init (&maddr, ai->family, &ai->address);
2531 if (mono_networking_addr_to_str (&maddr, buffer, sizeof (buffer)))
2532 addr_string = mono_string_new_checked (domain, buffer, error);
2534 addr_string = mono_string_new_checked (domain, "", error);
2538 mono_array_setref (*h_addr_list, addr_index, addr_string);
2542 if (ai->canonical_name != NULL) {
2543 *h_name = mono_string_new_checked (domain, ai->canonical_name, error);
2545 *h_name = mono_string_new_checked (domain, buffer, error);
2556 mono_free_address_info (info);
2558 return is_ok (error);
2562 ves_icall_System_Net_Dns_GetHostByName_internal (MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2565 gboolean add_local_ips = FALSE, add_info_ok = TRUE;
2566 gchar this_hostname [256];
2567 MonoAddressInfo *info = NULL;
2569 char *hostname = mono_string_to_utf8_checked (host, &error);
2570 if (mono_error_set_pending_exception (&error))
2573 if (*hostname == '\0') {
2574 add_local_ips = TRUE;
2578 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2579 if (!strcmp (hostname, this_hostname)) {
2580 add_local_ips = TRUE;
2586 // Win32 APIs already returns local interface addresses for empty hostname ("")
2587 // so we never want to add them manually.
2588 add_local_ips = FALSE;
2589 if (mono_get_address_info(hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2590 add_info_ok = FALSE;
2592 if (*hostname && mono_get_address_info (hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2593 add_info_ok = FALSE;
2599 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, add_local_ips, &error);
2600 mono_error_set_pending_exception (&error);
2607 ves_icall_System_Net_Dns_GetHostByAddr_internal (MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2610 struct sockaddr_in saddr;
2611 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2612 struct sockaddr_in6 saddr6;
2614 MonoAddressInfo *info = NULL;
2617 gchar hostname [NI_MAXHOST] = { 0 };
2620 address = mono_string_to_utf8_checked (addr, &error);
2621 if (mono_error_set_pending_exception (&error))
2624 if (inet_pton (AF_INET, address, &saddr.sin_addr ) == 1) {
2626 saddr.sin_family = AF_INET;
2628 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2629 else if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) == 1) {
2631 saddr6.sin6_family = AF_INET6;
2645 #if HAVE_SOCKADDR_IN_SIN_LEN
2646 saddr.sin_len = sizeof (saddr);
2648 ret = getnameinfo ((struct sockaddr*)&saddr, sizeof (saddr), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2651 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2653 #if HAVE_SOCKADDR_IN6_SIN_LEN
2654 saddr6.sin6_len = sizeof (saddr6);
2656 ret = getnameinfo ((struct sockaddr*)&saddr6, sizeof (saddr6), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2661 g_assert_not_reached ();
2669 if (mono_get_address_info (hostname, 0, hint | MONO_HINT_CANONICAL_NAME | MONO_HINT_CONFIGURED_ONLY, &info) != 0)
2672 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE, &error);
2673 mono_error_set_pending_exception (&error);
2678 ves_icall_System_Net_Dns_GetHostName_internal (MonoString **h_name)
2681 gchar hostname [NI_MAXHOST] = { 0 };
2684 ret = gethostname (hostname, sizeof (hostname));
2688 *h_name = mono_string_new_checked (mono_domain_get (), hostname, &error);
2689 mono_error_set_pending_exception (&error);
2694 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
2696 ves_icall_System_Net_Sockets_Socket_SendFile_internal (gsize sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags, gint32 *werror, gboolean blocking)
2700 gboolean interrupted;
2701 TRANSMIT_FILE_BUFFERS buffers;
2705 if (filename == NULL)
2708 /* FIXME: replace file by a proper fd that we can call open and close on, as they are interruptible */
2710 file = mono_w32file_create (mono_string_chars (filename), GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, 0);
2711 if (file == INVALID_HANDLE_VALUE) {
2712 *werror = mono_w32error_get_last ();
2716 memset (&buffers, 0, sizeof (buffers));
2717 if (pre_buffer != NULL) {
2718 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
2719 buffers.HeadLength = mono_array_length (pre_buffer);
2721 if (post_buffer != NULL) {
2722 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
2723 buffers.TailLength = mono_array_length (post_buffer);
2726 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2728 mono_w32file_close (file);
2729 mono_w32error_set_last (WSAEINTR);
2734 ret = mono_w32socket_transmit_file (sock, file, &buffers, flags, blocking);
2738 *werror = mono_w32socket_get_last_error ();
2740 mono_thread_info_uninstall_interrupt (&interrupted);
2742 mono_w32file_close (file);
2747 mono_w32file_close (file);
2754 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
2757 mono_network_init (void)
2759 mono_networking_init ();
2760 mono_w32socket_initialize ();
2764 mono_network_cleanup (void)
2766 mono_w32socket_cleanup ();
2767 mono_networking_shutdown ();
2771 icall_cancel_blocking_socket_operation (MonoThread *thread)
2773 MonoInternalThread *internal;
2775 internal = thread->internal_thread;
2776 g_assert (internal);
2778 mono_thread_info_abort_socket_syscall_for_close (MONO_UINT_TO_NATIVE_THREAD_ID (internal->tid));
2781 #endif /* #ifndef DISABLE_SOCKETS */