2 * socket-io.c: Socket IO internal calls
5 * Dick Porter (dick@ximian.com)
6 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
11 * This file has been re-licensed under the MIT License:
12 * http://opensource.org/licenses/MIT
13 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
18 #ifndef DISABLE_SOCKETS
20 #if defined(__APPLE__) || defined(__FreeBSD__)
21 #define __APPLE_USE_RFC_3542
30 #include <sys/socket.h>
31 #ifdef HAVE_SYS_IOCTL_H
32 #include <sys/ioctl.h>
34 #include <netinet/in.h>
35 #include <netinet/tcp.h>
39 #include <arpa/inet.h>
46 #include <sys/types.h>
48 #include <mono/metadata/object.h>
49 #include <mono/metadata/exception.h>
50 #include <mono/metadata/assembly.h>
51 #include <mono/metadata/appdomain.h>
52 #include <mono/metadata/w32file.h>
53 #include <mono/metadata/threads.h>
54 #include <mono/metadata/threads-types.h>
55 #include <mono/metadata/threadpool-io.h>
56 #include <mono/utils/mono-poll.h>
57 /* FIXME change this code to not mess so much with the internals */
58 #include <mono/metadata/class-internals.h>
59 #include <mono/metadata/domain-internals.h>
60 #include <mono/utils/mono-threads.h>
61 #include <mono/utils/mono-memory-model.h>
62 #include <mono/utils/networking.h>
63 #include <mono/metadata/w32handle.h>
64 #include <mono/metadata/w32socket.h>
65 #include <mono/metadata/w32socket-internals.h>
66 #include <mono/metadata/w32error.h>
69 #ifdef HAVE_SYS_TIME_H
72 #ifdef HAVE_SYS_IOCTL_H
73 #include <sys/ioctl.h>
82 #ifdef HAVE_SYS_FILIO_H
83 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
85 #ifdef HAVE_SYS_SOCKIO_H
86 #include <sys/sockio.h> /* defines SIOCATMARK */
92 #ifdef HAVE_GETIFADDRS
93 // <net/if.h> must be included before <ifaddrs.h>
97 #if defined(_MSC_VER) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
101 #define LOGDEBUG(...)
102 /* define LOGDEBUG(...) g_message(__VA_ARGS__) */
107 mono_w32socket_socket (int domain, int type, int protocol)
109 return WSASocket (domain, type, protocol, NULL, 0, WSA_FLAG_OVERLAPPED);
113 mono_w32socket_bind (SOCKET sock, struct sockaddr *addr, socklen_t addrlen)
115 return bind (sock, addr, addrlen);
119 mono_w32socket_getpeername (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
121 return getpeername (sock, name, namelen);
125 mono_w32socket_getsockname (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
127 return getsockname (sock, name, namelen);
131 mono_w32socket_getsockopt (SOCKET sock, gint level, gint optname, gpointer optval, socklen_t *optlen)
133 return getsockopt (sock, level, optname, optval, optlen);
137 mono_w32socket_setsockopt (SOCKET sock, gint level, gint optname, const gpointer optval, socklen_t optlen)
139 return setsockopt (sock, level, optname, optval, optlen);
143 mono_w32socket_listen (SOCKET sock, gint backlog)
145 return listen (sock, backlog);
149 mono_w32socket_shutdown (SOCKET sock, gint how)
151 return shutdown (sock, how);
155 mono_w32socket_ioctl (SOCKET sock, gint32 command, gchar *input, gint inputlen, gchar *output, gint outputlen, glong *written)
157 return WSAIoctl (sock, command, input, inputlen, output, outputlen, written, NULL, NULL);
161 mono_w32socket_close (SOCKET sock)
163 return CloseHandle (sock);
166 #endif /* HOST_WIN32 */
169 abort_syscall (gpointer data)
171 mono_thread_info_abort_socket_syscall_for_close ((MonoNativeThreadId) (gsize) data);
175 convert_family (MonoAddressFamily mono_family)
177 switch (mono_family) {
178 case AddressFamily_Unknown:
179 case AddressFamily_ImpLink:
180 case AddressFamily_Pup:
181 case AddressFamily_Chaos:
182 case AddressFamily_Iso:
183 case AddressFamily_Ecma:
184 case AddressFamily_DataKit:
185 case AddressFamily_Ccitt:
186 case AddressFamily_DataLink:
187 case AddressFamily_Lat:
188 case AddressFamily_HyperChannel:
189 case AddressFamily_NetBios:
190 case AddressFamily_VoiceView:
191 case AddressFamily_FireFox:
192 case AddressFamily_Banyan:
193 case AddressFamily_Atm:
194 case AddressFamily_Cluster:
195 case AddressFamily_Ieee12844:
196 case AddressFamily_NetworkDesigners:
197 g_warning ("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
199 case AddressFamily_Unspecified:
201 case AddressFamily_Unix:
203 case AddressFamily_InterNetwork:
205 case AddressFamily_AppleTalk:
207 case AddressFamily_InterNetworkV6:
209 case AddressFamily_DecNet:
215 case AddressFamily_Ipx:
221 case AddressFamily_Sna:
227 case AddressFamily_Irda:
234 g_warning ("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
239 static MonoAddressFamily
240 convert_to_mono_family (guint16 af_family)
244 return AddressFamily_Unspecified;
246 return AddressFamily_Unix;
248 return AddressFamily_InterNetwork;
251 return AddressFamily_Ipx;
255 return AddressFamily_Sna;
259 return AddressFamily_DecNet;
262 return AddressFamily_AppleTalk;
264 return AddressFamily_InterNetworkV6;
267 return AddressFamily_Irda;
270 g_warning ("unknown address family 0x%x", af_family);
271 return AddressFamily_Unknown;
276 convert_type (MonoSocketType mono_type)
279 case SocketType_Stream:
281 case SocketType_Dgram:
291 case SocketType_Seqpacket:
292 return SOCK_SEQPACKET;
293 case SocketType_Unknown:
294 g_warning ("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
297 g_warning ("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
303 convert_proto (MonoProtocolType mono_proto)
305 switch (mono_proto) {
306 case ProtocolType_IP:
307 case ProtocolType_IPv6:
308 case ProtocolType_Icmp:
309 case ProtocolType_Igmp:
310 case ProtocolType_Ggp:
311 case ProtocolType_Tcp:
312 case ProtocolType_Pup:
313 case ProtocolType_Udp:
314 case ProtocolType_Idp:
315 /* These protocols are known (on my system at least) */
317 case ProtocolType_ND:
318 case ProtocolType_Raw:
319 case ProtocolType_Ipx:
320 case ProtocolType_Spx:
321 case ProtocolType_SpxII:
322 case ProtocolType_Unknown:
323 /* These protocols arent */
324 g_warning ("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
331 /* Convert MonoSocketFlags */
333 convert_socketflags (gint32 sflags)
338 /* SocketFlags.None */
341 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
342 SocketFlags_DontRoute | SocketFlags_Partial))
343 /* Contains invalid flag values */
346 if (sflags & SocketFlags_OutOfBand)
348 if (sflags & SocketFlags_Peek)
350 if (sflags & SocketFlags_DontRoute)
351 flags |= MSG_DONTROUTE;
353 /* Ignore Partial - see bug 349688. Don't return -1, because
354 * according to the comment in that bug ms runtime doesn't for
355 * UDP sockets (this means we will silently ignore it for TCP
359 if (sflags & SocketFlags_Partial)
363 /* Don't do anything for MaxIOVectorLength */
364 if (sflags & SocketFlags_MaxIOVectorLength)
372 * 0 on success (mapped mono_level and mono_name to system_level and system_name
374 * -2 on non-fatal error (ie, must ignore)
377 convert_sockopt_level_and_name (MonoSocketOptionLevel mono_level, MonoSocketOptionName mono_name, int *system_level, int *system_name)
379 switch (mono_level) {
380 case SocketOptionLevel_Socket:
381 *system_level = SOL_SOCKET;
384 case SocketOptionName_DontLinger:
385 /* This is SO_LINGER, because the setsockopt
386 * internal call maps DontLinger to SO_LINGER
389 *system_name = SO_LINGER;
391 case SocketOptionName_Debug:
392 *system_name = SO_DEBUG;
395 case SocketOptionName_AcceptConnection:
396 *system_name = SO_ACCEPTCONN;
399 case SocketOptionName_ReuseAddress:
400 *system_name = SO_REUSEADDR;
402 case SocketOptionName_KeepAlive:
403 *system_name = SO_KEEPALIVE;
405 case SocketOptionName_DontRoute:
406 *system_name = SO_DONTROUTE;
408 case SocketOptionName_Broadcast:
409 *system_name = SO_BROADCAST;
411 case SocketOptionName_Linger:
412 *system_name = SO_LINGER;
414 case SocketOptionName_OutOfBandInline:
415 *system_name = SO_OOBINLINE;
417 case SocketOptionName_SendBuffer:
418 *system_name = SO_SNDBUF;
420 case SocketOptionName_ReceiveBuffer:
421 *system_name = SO_RCVBUF;
423 case SocketOptionName_SendLowWater:
424 *system_name = SO_SNDLOWAT;
426 case SocketOptionName_ReceiveLowWater:
427 *system_name = SO_RCVLOWAT;
429 case SocketOptionName_SendTimeout:
430 *system_name = SO_SNDTIMEO;
432 case SocketOptionName_ReceiveTimeout:
433 *system_name = SO_RCVTIMEO;
435 case SocketOptionName_Error:
436 *system_name = SO_ERROR;
438 case SocketOptionName_Type:
439 *system_name = SO_TYPE;
442 case SocketOptionName_PeerCred:
443 *system_name = SO_PEERCRED;
446 case SocketOptionName_ExclusiveAddressUse:
447 #ifdef SO_EXCLUSIVEADDRUSE
448 *system_name = SO_EXCLUSIVEADDRUSE;
451 case SocketOptionName_UseLoopback:
452 #ifdef SO_USELOOPBACK
453 *system_name = SO_USELOOPBACK;
456 case SocketOptionName_MaxConnections:
458 *system_name = SO_MAXCONN;
460 #elif defined(SOMAXCONN)
461 *system_name = SOMAXCONN;
465 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
470 case SocketOptionLevel_IP:
471 *system_level = mono_networking_get_ip_protocol ();
474 case SocketOptionName_IPOptions:
475 *system_name = IP_OPTIONS;
478 case SocketOptionName_HeaderIncluded:
479 *system_name = IP_HDRINCL;
483 case SocketOptionName_TypeOfService:
484 *system_name = IP_TOS;
488 case SocketOptionName_IpTimeToLive:
489 *system_name = IP_TTL;
492 case SocketOptionName_MulticastInterface:
493 *system_name = IP_MULTICAST_IF;
495 case SocketOptionName_MulticastTimeToLive:
496 *system_name = IP_MULTICAST_TTL;
498 case SocketOptionName_MulticastLoopback:
499 *system_name = IP_MULTICAST_LOOP;
501 case SocketOptionName_AddMembership:
502 *system_name = IP_ADD_MEMBERSHIP;
504 case SocketOptionName_DropMembership:
505 *system_name = IP_DROP_MEMBERSHIP;
507 #ifdef HAVE_IP_PKTINFO
508 case SocketOptionName_PacketInformation:
509 *system_name = IP_PKTINFO;
511 #endif /* HAVE_IP_PKTINFO */
513 case SocketOptionName_DontFragment:
514 #ifdef HAVE_IP_DONTFRAGMENT
515 *system_name = IP_DONTFRAGMENT;
517 #elif defined HAVE_IP_MTU_DISCOVER
518 /* Not quite the same */
519 *system_name = IP_MTU_DISCOVER;
522 /* If the flag is not available on this system, we can ignore this error */
524 #endif /* HAVE_IP_DONTFRAGMENT */
525 case SocketOptionName_AddSourceMembership:
526 case SocketOptionName_DropSourceMembership:
527 case SocketOptionName_BlockSource:
528 case SocketOptionName_UnblockSource:
529 /* Can't figure out how to map these, so fall
533 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
538 case SocketOptionLevel_IPv6:
539 *system_level = mono_networking_get_ipv6_protocol ();
542 case SocketOptionName_IpTimeToLive:
543 case SocketOptionName_HopLimit:
544 *system_name = IPV6_UNICAST_HOPS;
546 case SocketOptionName_MulticastInterface:
547 *system_name = IPV6_MULTICAST_IF;
549 case SocketOptionName_MulticastTimeToLive:
550 *system_name = IPV6_MULTICAST_HOPS;
552 case SocketOptionName_MulticastLoopback:
553 *system_name = IPV6_MULTICAST_LOOP;
555 case SocketOptionName_AddMembership:
556 *system_name = IPV6_JOIN_GROUP;
558 case SocketOptionName_DropMembership:
559 *system_name = IPV6_LEAVE_GROUP;
561 case SocketOptionName_IPv6Only:
563 *system_name = IPV6_V6ONLY;
568 case SocketOptionName_PacketInformation:
569 #ifdef HAVE_IPV6_PKTINFO
570 *system_name = IPV6_PKTINFO;
573 case SocketOptionName_HeaderIncluded:
574 case SocketOptionName_IPOptions:
575 case SocketOptionName_TypeOfService:
576 case SocketOptionName_DontFragment:
577 case SocketOptionName_AddSourceMembership:
578 case SocketOptionName_DropSourceMembership:
579 case SocketOptionName_BlockSource:
580 case SocketOptionName_UnblockSource:
581 /* Can't figure out how to map these, so fall
585 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
588 break; /* SocketOptionLevel_IPv6 */
590 case SocketOptionLevel_Tcp:
591 *system_level = mono_networking_get_tcp_protocol ();
594 case SocketOptionName_NoDelay:
595 *system_name = TCP_NODELAY;
598 /* The documentation is talking complete
599 * bollocks here: rfc-1222 is titled
600 * 'Advancing the NSFNET Routing Architecture'
601 * and doesn't mention either of the words
602 * "expedite" or "urgent".
604 case SocketOptionName_BsdUrgent:
605 case SocketOptionName_Expedited:
608 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
613 case SocketOptionLevel_Udp:
614 g_warning ("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
617 case SocketOptionName_NoChecksum:
618 case SocketOptionName_ChecksumCoverage:
620 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
627 g_warning ("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
635 get_socket_assembly (void)
637 MonoDomain *domain = mono_domain_get ();
639 if (domain->socket_assembly == NULL) {
640 MonoImage *socket_assembly;
642 socket_assembly = mono_image_loaded ("System");
643 if (!socket_assembly) {
644 MonoAssembly *sa = mono_assembly_open ("System.dll", NULL);
647 g_assert_not_reached ();
649 socket_assembly = mono_assembly_get_image (sa);
652 mono_atomic_store_release (&domain->socket_assembly, socket_assembly);
655 return domain->socket_assembly;
659 ves_icall_System_Net_Sockets_Socket_Socket_internal (MonoObject *this_obj, gint32 family, gint32 type, gint32 proto, gint32 *werror)
668 sock_family = convert_family ((MonoAddressFamily)family);
669 if (sock_family == -1) {
670 *werror = WSAEAFNOSUPPORT;
674 sock_proto = convert_proto ((MonoProtocolType)proto);
675 if (sock_proto == -1) {
676 *werror = WSAEPROTONOSUPPORT;
680 sock_type = convert_type ((MonoSocketType)type);
681 if (sock_type == -1) {
682 *werror = WSAESOCKTNOSUPPORT;
686 sock = mono_w32socket_socket (sock_family, sock_type, sock_proto);
688 if (sock == INVALID_SOCKET) {
689 *werror = mono_w32socket_get_last_error ();
693 return GUINT_TO_POINTER (sock);
696 /* FIXME: the SOCKET parameter (here and in other functions in this
697 * file) is really an IntPtr which needs to be converted to a guint32.
700 ves_icall_System_Net_Sockets_Socket_Close_internal (gsize sock, gint32 *werror)
702 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
706 /* Clear any pending work item from this socket if the underlying
707 * polling system does not notify when the socket is closed */
708 mono_threadpool_io_remove_socket (GPOINTER_TO_INT (sock));
711 mono_w32socket_close ((SOCKET) sock);
716 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal (void)
718 LOGDEBUG (g_message("%s: returning %d", __func__, mono_w32socket_get_last_error ()));
720 return mono_w32socket_get_last_error ();
724 ves_icall_System_Net_Sockets_Socket_Available_internal (gsize sock, gint32 *werror)
731 /* FIXME: this might require amount to be unsigned long. */
732 ret = mono_w32socket_get_available (sock, &amount);
733 if (ret == SOCKET_ERROR) {
734 *werror = mono_w32socket_get_last_error ();
742 ves_icall_System_Net_Sockets_Socket_Blocking_internal (gsize sock, gboolean block, gint32 *werror)
748 ret = mono_w32socket_set_blocking (sock, block);
749 if (ret == SOCKET_ERROR)
750 *werror = mono_w32socket_get_last_error ();
754 ves_icall_System_Net_Sockets_Socket_Accept_internal (gsize sock, gint32 *werror, gboolean blocking)
756 gboolean interrupted;
761 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
768 newsock = mono_w32socket_accept (sock, NULL, 0, blocking);
771 if (newsock == INVALID_SOCKET)
772 *werror = mono_w32socket_get_last_error ();
774 mono_thread_info_uninstall_interrupt (&interrupted);
781 return GUINT_TO_POINTER (newsock);
785 ves_icall_System_Net_Sockets_Socket_Listen_internal(gsize sock, guint32 backlog, gint32 *werror)
793 ret = mono_w32socket_listen (sock, backlog);
797 if (ret == SOCKET_ERROR)
798 *werror = mono_w32socket_get_last_error ();
801 // Check whether it's ::ffff::0:0.
803 is_ipv4_mapped_any (const struct in6_addr *addr)
807 for (i = 0; i < 10; i++) {
808 if (addr->s6_addr [i])
811 if ((addr->s6_addr [10] != 0xff) || (addr->s6_addr [11] != 0xff))
813 for (i = 12; i < 16; i++) {
814 if (addr->s6_addr [i])
821 create_object_from_sockaddr (struct sockaddr *saddr, int sa_size, gint32 *werror, MonoError *error)
823 MonoDomain *domain = mono_domain_get ();
824 MonoObject *sockaddr_obj;
826 MonoAddressFamily family;
828 mono_error_init (error);
830 /* Build a System.Net.SocketAddress object instance */
831 if (!domain->sockaddr_class)
832 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
833 sockaddr_obj = mono_object_new_checked (domain, domain->sockaddr_class, error);
834 return_val_if_nok (error, NULL);
836 /* Locate the SocketAddress data buffer in the object */
837 if (!domain->sockaddr_data_field) {
838 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
839 g_assert (domain->sockaddr_data_field);
842 /* Locate the SocketAddress data buffer length in the object */
843 if (!domain->sockaddr_data_length_field) {
844 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
845 g_assert (domain->sockaddr_data_length_field);
848 /* May be the +2 here is too conservative, as sa_len returns
849 * the length of the entire sockaddr_in/in6, including
850 * sizeof (unsigned short) of the family */
851 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
852 data = mono_array_new_cached (domain, mono_get_byte_class (), sa_size + 2, error);
853 return_val_if_nok (error, NULL);
855 /* The data buffer is laid out as follows:
856 * bytes 0 and 1 are the address family
857 * bytes 2 and 3 are the port info
858 * the rest is the address info
861 family = convert_to_mono_family (saddr->sa_family);
862 if (family == AddressFamily_Unknown) {
863 *werror = WSAEAFNOSUPPORT;
867 mono_array_set (data, guint8, 0, family & 0x0FF);
868 mono_array_set (data, guint8, 1, (family >> 8) & 0x0FF);
870 if (saddr->sa_family == AF_INET) {
871 struct sockaddr_in *sa_in = (struct sockaddr_in *)saddr;
872 guint16 port = ntohs (sa_in->sin_port);
873 guint32 address = ntohl (sa_in->sin_addr.s_addr);
876 if (sa_size < buffer_size) {
877 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
881 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
882 mono_array_set (data, guint8, 3, (port) & 0xff);
883 mono_array_set (data, guint8, 4, (address>>24) & 0xff);
884 mono_array_set (data, guint8, 5, (address>>16) & 0xff);
885 mono_array_set (data, guint8, 6, (address>>8) & 0xff);
886 mono_array_set (data, guint8, 7, (address) & 0xff);
888 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
889 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
892 } else if (saddr->sa_family == AF_INET6) {
893 struct sockaddr_in6 *sa_in = (struct sockaddr_in6 *)saddr;
895 int buffer_size = 28;
897 guint16 port = ntohs (sa_in->sin6_port);
899 if (sa_size < buffer_size) {
900 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
904 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
905 mono_array_set (data, guint8, 3, (port) & 0xff);
907 if (is_ipv4_mapped_any (&sa_in->sin6_addr)) {
908 // Map ::ffff:0:0 to :: (bug #5502)
909 for (i = 0; i < 16; i++)
910 mono_array_set (data, guint8, 8 + i, 0);
912 for (i = 0; i < 16; i++) {
913 mono_array_set (data, guint8, 8 + i,
914 sa_in->sin6_addr.s6_addr [i]);
918 mono_array_set (data, guint8, 24, sa_in->sin6_scope_id & 0xff);
919 mono_array_set (data, guint8, 25,
920 (sa_in->sin6_scope_id >> 8) & 0xff);
921 mono_array_set (data, guint8, 26,
922 (sa_in->sin6_scope_id >> 16) & 0xff);
923 mono_array_set (data, guint8, 27,
924 (sa_in->sin6_scope_id >> 24) & 0xff);
926 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
927 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
932 else if (saddr->sa_family == AF_UNIX) {
934 int buffer_size = sa_size + 2;
936 for (i = 0; i < sa_size; i++)
937 mono_array_set (data, guint8, i + 2, saddr->sa_data [i]);
939 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
940 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
946 *werror = WSAEAFNOSUPPORT;
952 get_sockaddr_size (int family)
957 if (family == AF_INET) {
958 size = sizeof (struct sockaddr_in);
959 } else if (family == AF_INET6) {
960 size = sizeof (struct sockaddr_in6);
963 else if (family == AF_UNIX) {
964 size = sizeof (struct sockaddr_un);
971 ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
981 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
983 *werror = WSAEAFNOSUPPORT;
986 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
990 ret = mono_w32socket_getsockname (sock, (struct sockaddr *)sa, &salen);
994 if (ret == SOCKET_ERROR) {
995 *werror = mono_w32socket_get_last_error ();
1001 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)));
1003 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1006 if (!mono_error_ok (&error))
1007 mono_error_set_pending_exception (&error);
1012 ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
1022 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1024 *werror = WSAEAFNOSUPPORT;
1027 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1028 /* Note: linux returns just 2 for AF_UNIX. Always. */
1032 ret = mono_w32socket_getpeername (sock, (struct sockaddr *)sa, &salen);
1036 if (ret == SOCKET_ERROR) {
1037 *werror = mono_w32socket_get_last_error ();
1043 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)));
1045 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1048 if (!mono_error_ok (&error))
1049 mono_error_set_pending_exception (&error);
1053 static struct sockaddr*
1054 create_sockaddr_from_object (MonoObject *saddr_obj, socklen_t *sa_size, gint32 *werror, MonoError *error)
1056 MonoDomain *domain = mono_domain_get ();
1061 mono_error_init (error);
1063 if (!domain->sockaddr_class)
1064 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
1066 /* Locate the SocketAddress data buffer in the object */
1067 if (!domain->sockaddr_data_field) {
1068 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
1069 g_assert (domain->sockaddr_data_field);
1072 /* Locate the SocketAddress data buffer length in the object */
1073 if (!domain->sockaddr_data_length_field) {
1074 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
1075 g_assert (domain->sockaddr_data_length_field);
1078 data = *(MonoArray **)(((char *)saddr_obj) + domain->sockaddr_data_field->offset);
1080 /* The data buffer is laid out as follows:
1081 * byte 0 is the address family low byte
1082 * byte 1 is the address family high byte
1084 * bytes 2 and 3 are the port info
1085 * the rest is the address info
1087 * the rest is the file name
1089 len = *(int *)(((char *)saddr_obj) + domain->sockaddr_data_length_field->offset);
1090 g_assert (len >= 2);
1092 family = convert_family ((MonoAddressFamily)(mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8)));
1093 if (family == AF_INET) {
1094 struct sockaddr_in *sa;
1099 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1103 sa = g_new0 (struct sockaddr_in, 1);
1104 port = (mono_array_get (data, guint8, 2) << 8) +
1105 mono_array_get (data, guint8, 3);
1106 address = (mono_array_get (data, guint8, 4) << 24) +
1107 (mono_array_get (data, guint8, 5) << 16 ) +
1108 (mono_array_get (data, guint8, 6) << 8) +
1109 mono_array_get (data, guint8, 7);
1111 sa->sin_family = family;
1112 sa->sin_addr.s_addr = htonl (address);
1113 sa->sin_port = htons (port);
1115 *sa_size = sizeof (struct sockaddr_in);
1116 return (struct sockaddr *)sa;
1117 } else if (family == AF_INET6) {
1118 struct sockaddr_in6 *sa;
1124 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1128 sa = g_new0 (struct sockaddr_in6, 1);
1129 port = mono_array_get (data, guint8, 3) +
1130 (mono_array_get (data, guint8, 2) << 8);
1131 scopeid = mono_array_get (data, guint8, 24) +
1132 (mono_array_get (data, guint8, 25) << 8) +
1133 (mono_array_get (data, guint8, 26) << 16) +
1134 (mono_array_get (data, guint8, 27) << 24);
1136 sa->sin6_family = family;
1137 sa->sin6_port = htons (port);
1138 sa->sin6_scope_id = scopeid;
1140 for (i = 0; i < 16; i++)
1141 sa->sin6_addr.s6_addr [i] = mono_array_get (data, guint8, 8 + i);
1143 *sa_size = sizeof (struct sockaddr_in6);
1144 return (struct sockaddr *)sa;
1146 #ifdef HAVE_SYS_UN_H
1147 else if (family == AF_UNIX) {
1148 struct sockaddr_un *sock_un;
1151 /* Need a byte for the '\0' terminator/prefix, and the first
1152 * two bytes hold the SocketAddress family
1154 if (len - 2 >= sizeof (sock_un->sun_path)) {
1155 mono_error_set_exception_instance (error, mono_get_exception_index_out_of_range ());
1159 sock_un = g_new0 (struct sockaddr_un, 1);
1161 sock_un->sun_family = family;
1162 for (i = 0; i < len - 2; i++)
1163 sock_un->sun_path [i] = mono_array_get (data, guint8, i + 2);
1166 return (struct sockaddr *)sock_un;
1170 *werror = WSAEAFNOSUPPORT;
1176 ves_icall_System_Net_Sockets_Socket_Bind_internal (gsize sock, MonoObject *sockaddr, gint32 *werror)
1179 struct sockaddr *sa;
1185 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1188 if (!mono_error_ok (&error)) {
1189 mono_error_set_pending_exception (&error);
1193 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)));
1195 ret = mono_w32socket_bind (sock, sa, sa_size);
1197 if (ret == SOCKET_ERROR)
1198 *werror = mono_w32socket_get_last_error ();
1210 ves_icall_System_Net_Sockets_Socket_Poll_internal (gsize sock, gint mode,
1211 gint timeout, gint32 *werror)
1213 MonoInternalThread *thread = mono_thread_internal_current ();
1216 gboolean interrupted;
1221 pfds = g_new0 (mono_pollfd, 1);
1222 pfds->fd = GPOINTER_TO_INT (sock);
1225 case SelectModeRead:
1226 pfds->events = MONO_POLLIN;
1228 case SelectModeWrite:
1229 pfds->events = MONO_POLLOUT;
1232 pfds->events = MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL;
1236 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1237 start = time (NULL);
1240 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1249 ret = mono_poll (pfds, 1, timeout);
1253 mono_thread_info_uninstall_interrupt (&interrupted);
1260 if (timeout > 0 && ret < 0) {
1262 int sec = time (NULL) - start;
1264 timeout -= sec * 1000;
1272 if (ret == -1 && errno == EINTR) {
1273 if (mono_thread_test_state (thread, (MonoThreadState)(ThreadState_AbortRequested | ThreadState_StopRequested))) {
1278 /* Suspend requested? */
1279 mono_thread_interruption_checkpoint ();
1283 } while (ret == -1 && errno == EINTR);
1286 *werror = mono_w32socket_convert_error (errno);
1296 ves_icall_System_Net_Sockets_Socket_Connect_internal (gsize sock, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1299 struct sockaddr *sa;
1302 gboolean interrupted;
1306 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1309 if (!mono_error_ok (&error)) {
1310 mono_error_set_pending_exception (&error);
1314 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)));
1316 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1323 ret = mono_w32socket_connect (sock, sa, sa_size, blocking);
1326 if (ret == SOCKET_ERROR)
1327 *werror = mono_w32socket_get_last_error ();
1329 mono_thread_info_uninstall_interrupt (&interrupted);
1336 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
1339 ves_icall_System_Net_Sockets_Socket_Disconnect_internal (gsize sock, MonoBoolean reuse, gint32 *werror)
1341 gboolean interrupted;
1343 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1345 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1352 *werror = mono_w32socket_disconnect (sock, reuse);
1355 mono_thread_info_uninstall_interrupt (&interrupted);
1359 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
1362 ves_icall_System_Net_Sockets_Socket_Receive_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1368 gboolean interrupted;
1369 MonoInternalThread* curthread G_GNUC_UNUSED = mono_thread_internal_current ();
1373 alen = mono_array_length (buffer);
1374 if (offset > alen - count)
1377 buf = mono_array_addr (buffer, gchar, offset);
1379 recvflags = convert_socketflags (flags);
1380 if (recvflags == -1) {
1381 *werror = WSAEOPNOTSUPP;
1385 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1390 ret = mono_w32socket_recv (sock, buf, count, recvflags, blocking);
1393 if (ret == SOCKET_ERROR)
1394 *werror = mono_w32socket_get_last_error ();
1396 mono_thread_info_uninstall_interrupt (&interrupted);
1407 ves_icall_System_Net_Sockets_Socket_Receive_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1410 gboolean interrupted;
1413 guint32 recvflags = 0;
1417 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1418 count = mono_array_length (buffers);
1420 recvflags = convert_socketflags (flags);
1421 if (recvflags == -1) {
1422 *werror = WSAEOPNOTSUPP;
1426 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1433 ret = mono_w32socket_recvbuffers (sock, wsabufs, count, &recv, &recvflags, NULL, NULL, blocking);
1436 if (ret == SOCKET_ERROR)
1437 *werror = mono_w32socket_get_last_error ();
1439 mono_thread_info_uninstall_interrupt (&interrupted);
1450 ves_icall_System_Net_Sockets_Socket_ReceiveFrom_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *werror, gboolean blocking)
1457 struct sockaddr *sa;
1459 gboolean interrupted;
1463 alen = mono_array_length (buffer);
1464 if (offset > alen - count)
1467 sa = create_sockaddr_from_object (*sockaddr, &sa_size, werror, &error);
1470 if (!mono_error_ok (&error)) {
1471 mono_error_set_pending_exception (&error);
1475 buf = mono_array_addr (buffer, gchar, offset);
1477 recvflags = convert_socketflags (flags);
1478 if (recvflags == -1) {
1479 *werror = WSAEOPNOTSUPP;
1483 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1491 ret = mono_w32socket_recvfrom (sock, buf, count, recvflags, sa, &sa_size, blocking);
1494 if (ret == SOCKET_ERROR)
1495 *werror = mono_w32socket_get_last_error ();
1497 mono_thread_info_uninstall_interrupt (&interrupted);
1507 /* If we didn't get a socket size, then we're probably a
1508 * connected connection-oriented socket and the stack hasn't
1509 * returned the remote address. All we can do is return null.
1512 *sockaddr = create_object_from_sockaddr (sa, sa_size, werror, &error);
1513 if (!mono_error_ok (&error)) {
1514 mono_error_set_pending_exception (&error);
1528 ves_icall_System_Net_Sockets_Socket_Send_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1534 gboolean interrupted;
1538 alen = mono_array_length (buffer);
1539 if (offset > alen - count)
1542 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1544 buf = mono_array_addr (buffer, gchar, offset);
1546 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1548 sendflags = convert_socketflags (flags);
1549 if (sendflags == -1) {
1550 *werror = WSAEOPNOTSUPP;
1554 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1561 ret = mono_w32socket_send (sock, buf, count, sendflags, blocking);
1564 if (ret == SOCKET_ERROR)
1565 *werror = mono_w32socket_get_last_error ();
1567 mono_thread_info_uninstall_interrupt (&interrupted);
1578 ves_icall_System_Net_Sockets_Socket_Send_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1583 guint32 sendflags = 0;
1584 gboolean interrupted;
1588 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1589 count = mono_array_length (buffers);
1591 sendflags = convert_socketflags (flags);
1592 if (sendflags == -1) {
1593 *werror = WSAEOPNOTSUPP;
1597 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1604 ret = mono_w32socket_sendbuffers (sock, wsabufs, count, &sent, sendflags, NULL, NULL, blocking);
1607 if (ret == SOCKET_ERROR)
1608 *werror = mono_w32socket_get_last_error ();
1610 mono_thread_info_uninstall_interrupt (&interrupted);
1621 ves_icall_System_Net_Sockets_Socket_SendTo_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1628 struct sockaddr *sa;
1630 gboolean interrupted;
1634 alen = mono_array_length (buffer);
1635 if (offset > alen - count) {
1639 sa = create_sockaddr_from_object(sockaddr, &sa_size, werror, &error);
1642 if (!mono_error_ok (&error)) {
1643 mono_error_set_pending_exception (&error);
1647 LOGDEBUG (g_message ("%s: alen: %d", __func__, alen));
1649 buf = mono_array_addr (buffer, gchar, offset);
1651 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1653 sendflags = convert_socketflags (flags);
1654 if (sendflags == -1) {
1656 *werror = WSAEOPNOTSUPP;
1660 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1668 ret = mono_w32socket_sendto (sock, buf, count, sendflags, sa, sa_size, blocking);
1671 if (ret == SOCKET_ERROR)
1672 *werror = mono_w32socket_get_last_error ();
1674 mono_thread_info_uninstall_interrupt (&interrupted);
1687 Socket_to_SOCKET (MonoObject *sockobj)
1689 MonoSafeHandle *safe_handle;
1690 MonoClassField *field;
1692 field = mono_class_get_field_from_name (sockobj->vtable->klass, "m_Handle");
1693 safe_handle = ((MonoSafeHandle *)(*(gpointer *)(((char *)sockobj) + field->offset)));
1695 if (safe_handle == NULL)
1698 return (SOCKET)safe_handle->handle;
1701 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1704 ves_icall_System_Net_Sockets_Socket_Select_internal (MonoArray **sockets, gint32 timeout, gint32 *werror)
1707 MonoInternalThread *thread = mono_thread_internal_current ();
1714 MonoClass *sock_arr_class;
1717 uintptr_t socks_size;
1718 gboolean interrupted;
1722 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1723 count = mono_array_length (*sockets);
1724 nfds = count - 3; /* NULL separators */
1725 pfds = g_new0 (mono_pollfd, nfds);
1727 for (i = 0; i < count; i++) {
1728 obj = mono_array_get (*sockets, MonoObject *, i);
1735 /* The socket array was bogus */
1737 *werror = WSAEFAULT;
1741 pfds [idx].fd = Socket_to_SOCKET (obj);
1742 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1746 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1747 start = time (NULL);
1749 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1758 ret = mono_poll (pfds, nfds, timeout);
1762 mono_thread_info_uninstall_interrupt (&interrupted);
1769 if (timeout > 0 && ret < 0) {
1771 int sec = time (NULL) - start;
1773 timeout -= sec * 1000;
1779 if (ret == -1 && errno == EINTR) {
1780 if (mono_thread_test_state (thread, (MonoThreadState)(ThreadState_AbortRequested | ThreadState_StopRequested))) {
1786 /* Suspend requested? */
1787 mono_thread_interruption_checkpoint ();
1791 } while (ret == -1 && errno == EINTR);
1794 *werror = mono_w32socket_convert_error (errno);
1805 sock_arr_class = ((MonoObject *)*sockets)->vtable->klass;
1806 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1807 socks = mono_array_new_full_checked (mono_domain_get (), sock_arr_class, &socks_size, NULL, &error);
1808 if (!mono_error_ok (&error)) {
1809 mono_error_set_pending_exception (&error);
1815 for (i = 0; i < count && ret > 0; i++) {
1818 obj = mono_array_get (*sockets, MonoObject *, i);
1825 pfd = &pfds [i - mode];
1826 if (pfd->revents == 0)
1830 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1831 mono_array_setref (socks, idx++, obj);
1832 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1833 mono_array_setref (socks, idx++, obj);
1834 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1835 mono_array_setref (socks, idx++, obj);
1844 int_to_object (MonoDomain *domain, int val, MonoError *error)
1846 return mono_value_box_checked (domain, mono_get_int32_class (), &val, error);
1850 ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal (gsize sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *werror)
1852 int system_level = 0;
1853 int system_name = 0;
1856 socklen_t valsize = sizeof (val);
1857 struct linger linger;
1858 socklen_t lingersize = sizeof (linger);
1860 socklen_t time_ms_size = sizeof (time_ms);
1862 # if defined(__OpenBSD__)
1863 struct sockpeercred cred;
1867 socklen_t credsize = sizeof (cred);
1870 MonoDomain *domain = mono_domain_get ();
1872 MonoClass *obj_class;
1873 MonoClassField *field;
1877 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1878 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1879 system_level = SOL_SOCKET;
1880 system_name = SO_REUSEADDR;
1885 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level, &system_name);
1889 *werror = WSAENOPROTOOPT;
1893 *obj_val = int_to_object (domain, 0, &error);
1894 mono_error_set_pending_exception (&error);
1900 /* No need to deal with MulticastOption names here, because
1901 * you cant getsockopt AddMembership or DropMembership (the
1902 * int getsockopt will error, causing an exception)
1905 case SocketOptionName_Linger:
1906 case SocketOptionName_DontLinger:
1907 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &linger, &lingersize);
1910 case SocketOptionName_SendTimeout:
1911 case SocketOptionName_ReceiveTimeout:
1912 ret = mono_w32socket_getsockopt (sock, system_level, system_name, (char *)&time_ms, &time_ms_size);
1916 case SocketOptionName_PeerCred:
1917 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &cred, &credsize);
1922 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &val, &valsize);
1927 if (ret == SOCKET_ERROR) {
1928 *werror = mono_w32socket_get_last_error ();
1933 case SocketOptionName_Linger:
1934 /* build a System.Net.Sockets.LingerOption */
1935 obj_class = mono_class_load_from_name (get_socket_assembly (),
1936 "System.Net.Sockets",
1938 obj = mono_object_new_checked (domain, obj_class, &error);
1939 if (!mono_error_ok (&error)) {
1940 mono_error_set_pending_exception (&error);
1944 /* Locate and set the fields "bool enabled" and "int
1947 field = mono_class_get_field_from_name(obj_class, "enabled");
1948 *(guint8 *)(((char *)obj)+field->offset) = linger.l_onoff;
1950 field = mono_class_get_field_from_name(obj_class, "lingerTime");
1951 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1953 case SocketOptionName_DontLinger:
1954 /* construct a bool int in val - true if linger is off */
1955 obj = int_to_object (domain, !linger.l_onoff, &error);
1956 mono_error_set_pending_exception (&error);
1958 case SocketOptionName_SendTimeout:
1959 case SocketOptionName_ReceiveTimeout:
1960 obj = int_to_object (domain, time_ms, &error);
1961 mono_error_set_pending_exception (&error);
1965 case SocketOptionName_PeerCred: {
1967 * build a Mono.Posix.PeerCred+PeerCredData if
1970 static MonoImage *mono_posix_image = NULL;
1971 MonoPeerCredData *cred_data;
1973 if (mono_posix_image == NULL) {
1974 mono_posix_image = mono_image_loaded ("Mono.Posix");
1975 if (!mono_posix_image) {
1976 MonoAssembly *sa = mono_assembly_open ("Mono.Posix.dll", NULL);
1978 *werror = WSAENOPROTOOPT;
1981 mono_posix_image = mono_assembly_get_image (sa);
1986 obj_class = mono_class_load_from_name (mono_posix_image,
1989 obj = mono_object_new_checked (domain, obj_class, &error);
1990 if (!mono_error_ok (&error)) {
1991 mono_error_set_pending_exception (&error);
1994 cred_data = (MonoPeerCredData *)obj;
1995 cred_data->pid = cred.pid;
1996 cred_data->uid = cred.uid;
1997 cred_data->gid = cred.gid;
2003 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2004 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
2007 obj = int_to_object (domain, val, &error);
2008 mono_error_set_pending_exception (&error);
2015 ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal (gsize sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *werror)
2017 int system_level = 0;
2018 int system_name = 0;
2025 ret = convert_sockopt_level_and_name((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2028 *werror = WSAENOPROTOOPT;
2034 valsize = mono_array_length (*byte_val);
2035 buf = mono_array_addr (*byte_val, guchar, 0);
2039 ret = mono_w32socket_getsockopt (sock, system_level, system_name, buf, &valsize);
2043 if (ret == SOCKET_ERROR)
2044 *werror = mono_w32socket_get_last_error ();
2047 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2048 static struct in_addr
2049 ipaddress_to_struct_in_addr (MonoObject *ipaddr)
2051 struct in_addr inaddr;
2052 MonoClassField *field;
2054 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Address");
2056 /* No idea why .net uses a 64bit type to hold a 32bit value...
2058 * Internal value of IPAddess is in little-endian order
2060 inaddr.s_addr = GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr) + field->offset));
2065 static struct in6_addr
2066 ipaddress_to_struct_in6_addr (MonoObject *ipaddr)
2068 struct in6_addr in6addr;
2069 MonoClassField *field;
2073 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Numbers");
2075 data = *(MonoArray **)(((char *)ipaddr) + field->offset);
2077 for (i = 0; i < 8; i++) {
2078 const guint16 s = GUINT16_TO_BE (mono_array_get (data, guint16, i));
2080 /* Solaris/MacOS have only the 8 bit version. */
2082 in6addr.s6_addr[2 * i + 1] = (s >> 8) & 0xff;
2083 in6addr.s6_addr[2 * i] = s & 0xff;
2085 in6addr.s6_addr16[i] = s;
2092 #if defined(__APPLE__) || defined(__FreeBSD__)
2095 get_local_interface_id (int family)
2097 #if !defined(HAVE_GETIFADDRS) || !defined(HAVE_IF_NAMETOINDEX)
2100 struct ifaddrs *ifap = NULL, *ptr;
2103 if (getifaddrs (&ifap))
2106 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2107 if (!ptr->ifa_addr || !ptr->ifa_name)
2109 if (ptr->ifa_addr->sa_family != family)
2111 if ((ptr->ifa_flags & IFF_LOOPBACK) != 0)
2113 if ((ptr->ifa_flags & IFF_MULTICAST) == 0)
2116 idx = if_nametoindex (ptr->ifa_name);
2125 #endif /* defined(__APPLE__) || defined(__FreeBSD__) */
2128 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)
2130 struct linger linger;
2131 int system_level = 0;
2132 int system_name = 0;
2139 sol_ipv6 = mono_networking_get_ipv6_protocol ();
2140 sol_ip = mono_networking_get_ip_protocol ();
2142 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2145 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2146 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2147 system_name = SO_REUSEADDR;
2148 int_val = int_val ? 0 : 1;
2154 *werror = WSAENOPROTOOPT;
2160 /* Only one of obj_val, byte_val or int_val has data */
2162 MonoClassField *field;
2166 case SocketOptionName_Linger:
2167 /* Dig out "bool enabled" and "int lingerTime"
2170 field = mono_class_get_field_from_name (obj_val->vtable->klass, "enabled");
2171 linger.l_onoff = *(guint8 *)(((char *)obj_val) + field->offset);
2172 field = mono_class_get_field_from_name (obj_val->vtable->klass, "lingerTime");
2173 linger.l_linger = *(guint32 *)(((char *)obj_val) + field->offset);
2175 valsize = sizeof (linger);
2176 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, valsize);
2178 case SocketOptionName_AddMembership:
2179 case SocketOptionName_DropMembership:
2180 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2182 MonoObject *address = NULL;
2184 if (system_level == sol_ipv6) {
2185 struct ipv6_mreq mreq6;
2190 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Group");
2192 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2195 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2197 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Interface");
2198 mreq6.ipv6mr_interface = *(guint64 *)(((char *)obj_val) + field->offset);
2200 #if defined(__APPLE__) || defined(__FreeBSD__)
2204 * Mac OS Lion doesn't allow ipv6mr_interface = 0.
2206 * Tests on Windows and Linux show that the multicast group is only
2207 * joined on one NIC when interface = 0, so we simply use the interface
2208 * id from the first non-loopback interface (this is also what
2209 * Dns.GetHostName (string.Empty) would return).
2211 if (!mreq6.ipv6mr_interface)
2212 mreq6.ipv6mr_interface = get_local_interface_id (AF_INET6);
2215 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq6, sizeof (mreq6));
2216 } else if (system_level == sol_ip) {
2217 #ifdef HAVE_STRUCT_IP_MREQN
2218 struct ip_mreqn mreq = {{0}};
2220 struct ip_mreq mreq = {{0}};
2221 #endif /* HAVE_STRUCT_IP_MREQN */
2224 * pain! MulticastOption holds two IPAddress
2225 * members, so I have to dig the value out of
2228 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2229 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2231 /* address might not be defined and if so, set the address to ADDR_ANY.
2234 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2236 field = mono_class_get_field_from_name (obj_val->vtable->klass, "localAddress");
2237 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2239 #ifdef HAVE_STRUCT_IP_MREQN
2241 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2243 field = mono_class_get_field_from_name (obj_val->vtable->klass, "ifIndex");
2244 mreq.imr_ifindex = *(gint32 *)(((char *)obj_val) + field->offset);
2247 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2248 #endif /* HAVE_STRUCT_IP_MREQN */
2250 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq, sizeof (mreq));
2254 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2256 /* Cause an exception to be thrown */
2257 *werror = WSAEINVAL;
2260 } else if (byte_val!=NULL) {
2261 int valsize = mono_array_length (byte_val);
2262 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2265 case SocketOptionName_DontLinger:
2267 linger.l_onoff = (*buf) ? 0 : 1;
2268 linger.l_linger = 0;
2269 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2271 *werror = WSAEINVAL;
2275 ret = mono_w32socket_setsockopt (sock, system_level, system_name, buf, valsize);
2279 /* ReceiveTimeout/SendTimeout get here */
2281 case SocketOptionName_DontLinger:
2282 linger.l_onoff = !int_val;
2283 linger.l_linger = 0;
2284 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2286 case SocketOptionName_MulticastInterface:
2288 #ifdef HAVE_STRUCT_IP_MREQN
2289 int_val = GUINT32_FROM_BE (int_val);
2290 if ((int_val & 0xff000000) == 0) {
2291 /* int_val is interface index */
2292 struct ip_mreqn mreq = {{0}};
2293 mreq.imr_ifindex = int_val;
2294 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &mreq, sizeof (mreq));
2297 int_val = GUINT32_TO_BE (int_val);
2298 #endif /* HAVE_STRUCT_IP_MREQN */
2299 #endif /* HOST_WIN32 */
2300 /* int_val is in_addr */
2301 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2303 case SocketOptionName_DontFragment:
2304 #ifdef HAVE_IP_MTU_DISCOVER
2305 /* Fiddle with the value slightly if we're
2309 int_val = IP_PMTUDISC_DO;
2314 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2318 if (ret == SOCKET_ERROR)
2319 *werror = mono_w32socket_get_last_error ();
2323 ves_icall_System_Net_Sockets_Socket_Shutdown_internal (gsize sock, gint32 how, gint32 *werror)
2326 gboolean interrupted;
2330 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2338 /* Currently, the values for how (recv=0, send=1, both=2) match the BSD API */
2339 ret = mono_w32socket_shutdown (sock, how);
2343 if (ret == SOCKET_ERROR)
2344 *werror = mono_w32socket_get_last_error ();
2346 mono_thread_info_uninstall_interrupt (&interrupted);
2354 ves_icall_System_Net_Sockets_Socket_IOControl_internal (gsize sock, gint32 code, MonoArray *input, MonoArray *output, gint32 *werror)
2356 glong output_bytes = 0;
2357 gchar *i_buffer, *o_buffer;
2363 if ((guint32)code == FIONBIO)
2364 /* Invalid command. Must use Socket.Blocking */
2367 if (input == NULL) {
2371 i_buffer = mono_array_addr (input, gchar, 0);
2372 i_len = mono_array_length (input);
2375 if (output == NULL) {
2379 o_buffer = mono_array_addr (output, gchar, 0);
2380 o_len = mono_array_length (output);
2385 ret = mono_w32socket_ioctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes);
2389 if (ret == SOCKET_ERROR) {
2390 *werror = mono_w32socket_get_last_error ();
2394 return (gint)output_bytes;
2398 addrinfo_to_IPHostEntry (MonoAddressInfo *info, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips, MonoError *error)
2401 MonoAddressEntry *ai = NULL;
2402 struct in_addr *local_in = NULL;
2404 struct in6_addr *local_in6 = NULL;
2407 MonoDomain *domain = mono_domain_get ();
2409 mono_error_init (error);
2411 *h_aliases = mono_array_new_checked (domain, mono_get_string_class (), 0, error);
2412 return_val_if_nok (error, FALSE);
2413 if (add_local_ips) {
2414 local_in = (struct in_addr *) mono_get_local_interfaces (AF_INET, &nlocal_in);
2415 local_in6 = (struct in6_addr *) mono_get_local_interfaces (AF_INET6, &nlocal_in6);
2416 if (nlocal_in || nlocal_in6) {
2417 char addr [INET6_ADDRSTRLEN];
2418 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), nlocal_in + nlocal_in6, error);
2423 MonoString *addr_string;
2426 for (i = 0; i < nlocal_in; i++) {
2428 mono_address_init (&maddr, AF_INET, &local_in [i]);
2429 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2430 addr_string = mono_string_new (domain, addr);
2431 mono_array_setref (*h_addr_list, addr_index, addr_string);
2438 MonoString *addr_string;
2441 for (i = 0; i < nlocal_in6; i++) {
2443 mono_address_init (&maddr, AF_INET6, &local_in6 [i]);
2444 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2445 addr_string = mono_string_new (domain, addr);
2446 mono_array_setref (*h_addr_list, addr_index, addr_string);
2456 mono_free_address_info (info);
2457 return is_ok (error);;
2464 for (count = 0, ai = info->entries; ai != NULL; ai = ai->next) {
2465 if (ai->family != AF_INET && ai->family != AF_INET6)
2470 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), count, error);
2474 for (ai = info->entries, i = 0; ai != NULL; ai = ai->next) {
2476 MonoString *addr_string;
2477 char buffer [INET6_ADDRSTRLEN]; /* Max. size for IPv6 */
2479 if ((ai->family != PF_INET) && (ai->family != PF_INET6))
2482 mono_address_init (&maddr, ai->family, &ai->address);
2483 if (mono_networking_addr_to_str (&maddr, buffer, sizeof (buffer)))
2484 addr_string = mono_string_new (domain, buffer);
2486 addr_string = mono_string_new (domain, "");
2488 mono_array_setref (*h_addr_list, addr_index, addr_string);
2492 if (ai->canonical_name != NULL) {
2493 *h_name = mono_string_new (domain, ai->canonical_name);
2495 *h_name = mono_string_new (domain, buffer);
2504 mono_free_address_info (info);
2506 return is_ok (error);
2510 ves_icall_System_Net_Dns_GetHostByName_internal (MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2513 gboolean add_local_ips = FALSE, add_info_ok = TRUE;
2514 gchar this_hostname [256];
2515 MonoAddressInfo *info = NULL;
2517 char *hostname = mono_string_to_utf8_checked (host, &error);
2518 if (mono_error_set_pending_exception (&error))
2521 if (*hostname == '\0') {
2522 add_local_ips = TRUE;
2526 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2527 if (!strcmp (hostname, this_hostname)) {
2528 add_local_ips = TRUE;
2534 // Win32 APIs already returns local interface addresses for empty hostname ("")
2535 // so we never want to add them manually.
2536 add_local_ips = FALSE;
2537 if (mono_get_address_info(hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2538 add_info_ok = FALSE;
2540 if (*hostname && mono_get_address_info (hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2541 add_info_ok = FALSE;
2547 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, add_local_ips, &error);
2548 mono_error_set_pending_exception (&error);
2555 ves_icall_System_Net_Dns_GetHostByAddr_internal (MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2558 struct sockaddr_in saddr;
2559 struct sockaddr_in6 saddr6;
2560 MonoAddressInfo *info = NULL;
2563 gchar hostname [NI_MAXHOST] = { 0 };
2566 address = mono_string_to_utf8_checked (addr, &error);
2567 if (mono_error_set_pending_exception (&error))
2570 if (inet_pton (AF_INET, address, &saddr.sin_addr ) == 1) {
2572 saddr.sin_family = AF_INET;
2573 } else if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) == 1) {
2575 saddr6.sin6_family = AF_INET6;
2587 #if HAVE_SOCKADDR_IN_SIN_LEN
2588 saddr.sin_len = sizeof (saddr);
2590 ret = getnameinfo ((struct sockaddr*)&saddr, sizeof (saddr), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2594 #if HAVE_SOCKADDR_IN6_SIN_LEN
2595 saddr6.sin6_len = sizeof (saddr6);
2597 ret = getnameinfo ((struct sockaddr*)&saddr6, sizeof (saddr6), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2601 g_assert_not_reached ();
2609 if (mono_get_address_info (hostname, 0, hint | MONO_HINT_CANONICAL_NAME | MONO_HINT_CONFIGURED_ONLY, &info) != 0)
2612 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE, &error);
2613 mono_error_set_pending_exception (&error);
2618 ves_icall_System_Net_Dns_GetHostName_internal (MonoString **h_name)
2620 gchar hostname [NI_MAXHOST] = { 0 };
2623 ret = gethostname (hostname, sizeof (hostname));
2627 *h_name = mono_string_new (mono_domain_get (), hostname);
2632 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
2634 ves_icall_System_Net_Sockets_Socket_SendFile_internal (gsize sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags, gint32 *werror, gboolean blocking)
2638 gboolean interrupted;
2639 TRANSMIT_FILE_BUFFERS buffers;
2641 if (filename == NULL)
2644 /* FIXME: replace file by a proper fd that we can call open and close on, as they are interruptible */
2646 file = mono_w32file_create (mono_string_chars (filename), OPEN_EXISTING, GENERIC_READ, FILE_SHARE_READ, 0);
2647 if (file == INVALID_HANDLE_VALUE) {
2648 *werror = mono_w32error_get_last ();
2652 memset (&buffers, 0, sizeof (buffers));
2653 if (pre_buffer != NULL) {
2654 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
2655 buffers.HeadLength = mono_array_length (pre_buffer);
2657 if (post_buffer != NULL) {
2658 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
2659 buffers.TailLength = mono_array_length (post_buffer);
2662 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2664 mono_w32file_close (file);
2665 mono_w32error_set_last (WSAEINTR);
2670 ret = mono_w32socket_transmit_file (sock, file, &buffers, flags, blocking);
2674 *werror = mono_w32socket_get_last_error ();
2676 mono_thread_info_uninstall_interrupt (&interrupted);
2678 mono_w32file_close (file);
2685 mono_w32file_close (file);
2694 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
2697 mono_network_init (void)
2699 mono_networking_init ();
2700 mono_w32socket_initialize ();
2704 mono_network_cleanup (void)
2706 mono_w32socket_cleanup ();
2707 mono_networking_shutdown ();
2711 icall_cancel_blocking_socket_operation (MonoThread *thread)
2713 MonoInternalThread *internal;
2715 internal = thread->internal_thread;
2716 g_assert (internal);
2718 mono_thread_info_abort_socket_syscall_for_close (MONO_UINT_TO_NATIVE_THREAD_ID (internal->tid));
2721 #endif /* #ifndef DISABLE_SOCKETS */