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:
208 case AddressFamily_InterNetworkV6:
209 #ifdef HAVE_STRUCT_SOCKADDR_IN6
214 case AddressFamily_DecNet:
220 case AddressFamily_Ipx:
226 case AddressFamily_Sna:
232 case AddressFamily_Irda:
239 g_warning ("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
244 static MonoAddressFamily
245 convert_to_mono_family (guint16 af_family)
249 return AddressFamily_Unspecified;
251 return AddressFamily_Unix;
253 return AddressFamily_InterNetwork;
256 return AddressFamily_Ipx;
260 return AddressFamily_Sna;
264 return AddressFamily_DecNet;
267 return AddressFamily_AppleTalk;
268 #ifdef HAVE_STRUCT_SOCKADDR_IN6
271 return AddressFamily_InterNetworkV6;
274 return AddressFamily_Irda;
277 g_warning ("unknown address family 0x%x", af_family);
278 return AddressFamily_Unknown;
283 convert_type (MonoSocketType mono_type)
286 case SocketType_Stream:
288 case SocketType_Dgram:
298 case SocketType_Seqpacket:
299 return SOCK_SEQPACKET;
300 case SocketType_Unknown:
301 g_warning ("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
304 g_warning ("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
310 convert_proto (MonoProtocolType mono_proto)
312 switch (mono_proto) {
313 case ProtocolType_IP:
314 case ProtocolType_IPv6:
315 case ProtocolType_Icmp:
316 case ProtocolType_Igmp:
317 case ProtocolType_Ggp:
318 case ProtocolType_Tcp:
319 case ProtocolType_Pup:
320 case ProtocolType_Udp:
321 case ProtocolType_Idp:
322 /* These protocols are known (on my system at least) */
324 case ProtocolType_ND:
325 case ProtocolType_Raw:
326 case ProtocolType_Ipx:
327 case ProtocolType_Spx:
328 case ProtocolType_SpxII:
329 case ProtocolType_Unknown:
330 /* These protocols arent */
331 g_warning ("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
338 /* Convert MonoSocketFlags */
340 convert_socketflags (gint32 sflags)
345 /* SocketFlags.None */
348 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
349 SocketFlags_DontRoute | SocketFlags_Partial))
350 /* Contains invalid flag values */
353 if (sflags & SocketFlags_OutOfBand)
355 if (sflags & SocketFlags_Peek)
357 if (sflags & SocketFlags_DontRoute)
358 flags |= MSG_DONTROUTE;
360 /* Ignore Partial - see bug 349688. Don't return -1, because
361 * according to the comment in that bug ms runtime doesn't for
362 * UDP sockets (this means we will silently ignore it for TCP
366 if (sflags & SocketFlags_Partial)
370 /* Don't do anything for MaxIOVectorLength */
371 if (sflags & SocketFlags_MaxIOVectorLength)
379 * 0 on success (mapped mono_level and mono_name to system_level and system_name
381 * -2 on non-fatal error (ie, must ignore)
384 convert_sockopt_level_and_name (MonoSocketOptionLevel mono_level, MonoSocketOptionName mono_name, int *system_level, int *system_name)
386 switch (mono_level) {
387 case SocketOptionLevel_Socket:
388 *system_level = SOL_SOCKET;
391 case SocketOptionName_DontLinger:
392 /* This is SO_LINGER, because the setsockopt
393 * internal call maps DontLinger to SO_LINGER
396 *system_name = SO_LINGER;
398 case SocketOptionName_Debug:
399 *system_name = SO_DEBUG;
402 case SocketOptionName_AcceptConnection:
403 *system_name = SO_ACCEPTCONN;
406 case SocketOptionName_ReuseAddress:
407 *system_name = SO_REUSEADDR;
409 case SocketOptionName_KeepAlive:
410 *system_name = SO_KEEPALIVE;
412 case SocketOptionName_DontRoute:
413 *system_name = SO_DONTROUTE;
415 case SocketOptionName_Broadcast:
416 *system_name = SO_BROADCAST;
418 case SocketOptionName_Linger:
419 *system_name = SO_LINGER;
421 case SocketOptionName_OutOfBandInline:
422 *system_name = SO_OOBINLINE;
424 case SocketOptionName_SendBuffer:
425 *system_name = SO_SNDBUF;
427 case SocketOptionName_ReceiveBuffer:
428 *system_name = SO_RCVBUF;
430 case SocketOptionName_SendLowWater:
431 *system_name = SO_SNDLOWAT;
433 case SocketOptionName_ReceiveLowWater:
434 *system_name = SO_RCVLOWAT;
436 case SocketOptionName_SendTimeout:
437 *system_name = SO_SNDTIMEO;
439 case SocketOptionName_ReceiveTimeout:
440 *system_name = SO_RCVTIMEO;
442 case SocketOptionName_Error:
443 *system_name = SO_ERROR;
445 case SocketOptionName_Type:
446 *system_name = SO_TYPE;
449 case SocketOptionName_PeerCred:
450 *system_name = SO_PEERCRED;
453 case SocketOptionName_ExclusiveAddressUse:
454 #ifdef SO_EXCLUSIVEADDRUSE
455 *system_name = SO_EXCLUSIVEADDRUSE;
458 case SocketOptionName_UseLoopback:
459 #ifdef SO_USELOOPBACK
460 *system_name = SO_USELOOPBACK;
463 case SocketOptionName_MaxConnections:
465 *system_name = SO_MAXCONN;
467 #elif defined(SOMAXCONN)
468 *system_name = SOMAXCONN;
472 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
477 case SocketOptionLevel_IP:
478 *system_level = mono_networking_get_ip_protocol ();
481 case SocketOptionName_IPOptions:
482 *system_name = IP_OPTIONS;
485 case SocketOptionName_HeaderIncluded:
486 *system_name = IP_HDRINCL;
490 case SocketOptionName_TypeOfService:
491 *system_name = IP_TOS;
495 case SocketOptionName_IpTimeToLive:
496 *system_name = IP_TTL;
499 case SocketOptionName_MulticastInterface:
500 *system_name = IP_MULTICAST_IF;
502 case SocketOptionName_MulticastTimeToLive:
503 *system_name = IP_MULTICAST_TTL;
505 case SocketOptionName_MulticastLoopback:
506 *system_name = IP_MULTICAST_LOOP;
508 case SocketOptionName_AddMembership:
509 *system_name = IP_ADD_MEMBERSHIP;
511 case SocketOptionName_DropMembership:
512 *system_name = IP_DROP_MEMBERSHIP;
514 #ifdef HAVE_IP_PKTINFO
515 case SocketOptionName_PacketInformation:
516 *system_name = IP_PKTINFO;
518 #endif /* HAVE_IP_PKTINFO */
520 case SocketOptionName_DontFragment:
521 #ifdef HAVE_IP_DONTFRAGMENT
522 *system_name = IP_DONTFRAGMENT;
524 #elif defined HAVE_IP_MTU_DISCOVER
525 /* Not quite the same */
526 *system_name = IP_MTU_DISCOVER;
529 /* If the flag is not available on this system, we can ignore this error */
531 #endif /* HAVE_IP_DONTFRAGMENT */
532 case SocketOptionName_AddSourceMembership:
533 case SocketOptionName_DropSourceMembership:
534 case SocketOptionName_BlockSource:
535 case SocketOptionName_UnblockSource:
536 /* Can't figure out how to map these, so fall
540 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
545 case SocketOptionLevel_IPv6:
546 *system_level = mono_networking_get_ipv6_protocol ();
549 case SocketOptionName_IpTimeToLive:
550 case SocketOptionName_HopLimit:
551 *system_name = IPV6_UNICAST_HOPS;
553 case SocketOptionName_MulticastInterface:
554 *system_name = IPV6_MULTICAST_IF;
556 case SocketOptionName_MulticastTimeToLive:
557 *system_name = IPV6_MULTICAST_HOPS;
559 case SocketOptionName_MulticastLoopback:
560 *system_name = IPV6_MULTICAST_LOOP;
562 case SocketOptionName_AddMembership:
563 *system_name = IPV6_JOIN_GROUP;
565 case SocketOptionName_DropMembership:
566 *system_name = IPV6_LEAVE_GROUP;
568 case SocketOptionName_IPv6Only:
570 *system_name = IPV6_V6ONLY;
575 case SocketOptionName_PacketInformation:
576 #ifdef HAVE_IPV6_PKTINFO
577 *system_name = IPV6_PKTINFO;
580 case SocketOptionName_HeaderIncluded:
581 case SocketOptionName_IPOptions:
582 case SocketOptionName_TypeOfService:
583 case SocketOptionName_DontFragment:
584 case SocketOptionName_AddSourceMembership:
585 case SocketOptionName_DropSourceMembership:
586 case SocketOptionName_BlockSource:
587 case SocketOptionName_UnblockSource:
588 /* Can't figure out how to map these, so fall
592 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
595 break; /* SocketOptionLevel_IPv6 */
597 case SocketOptionLevel_Tcp:
598 *system_level = mono_networking_get_tcp_protocol ();
601 case SocketOptionName_NoDelay:
602 *system_name = TCP_NODELAY;
605 /* The documentation is talking complete
606 * bollocks here: rfc-1222 is titled
607 * 'Advancing the NSFNET Routing Architecture'
608 * and doesn't mention either of the words
609 * "expedite" or "urgent".
611 case SocketOptionName_BsdUrgent:
612 case SocketOptionName_Expedited:
615 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
620 case SocketOptionLevel_Udp:
621 g_warning ("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
624 case SocketOptionName_NoChecksum:
625 case SocketOptionName_ChecksumCoverage:
627 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
634 g_warning ("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
642 get_socket_assembly (void)
644 MonoDomain *domain = mono_domain_get ();
646 if (domain->socket_assembly == NULL) {
647 MonoImage *socket_assembly;
649 socket_assembly = mono_image_loaded ("System");
650 if (!socket_assembly) {
651 MonoAssembly *sa = mono_assembly_open_predicate ("System.dll", FALSE, FALSE, NULL, NULL, NULL);
654 g_assert_not_reached ();
656 socket_assembly = mono_assembly_get_image (sa);
659 mono_atomic_store_release (&domain->socket_assembly, socket_assembly);
662 return domain->socket_assembly;
666 ves_icall_System_Net_Sockets_Socket_Socket_internal (MonoObject *this_obj, gint32 family, gint32 type, gint32 proto, gint32 *werror)
675 sock_family = convert_family ((MonoAddressFamily)family);
676 if (sock_family == -1) {
677 *werror = WSAEAFNOSUPPORT;
681 sock_proto = convert_proto ((MonoProtocolType)proto);
682 if (sock_proto == -1) {
683 *werror = WSAEPROTONOSUPPORT;
687 sock_type = convert_type ((MonoSocketType)type);
688 if (sock_type == -1) {
689 *werror = WSAESOCKTNOSUPPORT;
693 sock = mono_w32socket_socket (sock_family, sock_type, sock_proto);
695 if (sock == INVALID_SOCKET) {
696 *werror = mono_w32socket_get_last_error ();
700 return GUINT_TO_POINTER (sock);
703 /* FIXME: the SOCKET parameter (here and in other functions in this
704 * file) is really an IntPtr which needs to be converted to a guint32.
707 ves_icall_System_Net_Sockets_Socket_Close_internal (gsize sock, gint32 *werror)
709 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
713 /* Clear any pending work item from this socket if the underlying
714 * polling system does not notify when the socket is closed */
715 mono_threadpool_io_remove_socket (GPOINTER_TO_INT (sock));
718 mono_w32socket_close ((SOCKET) sock);
723 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal (void)
725 LOGDEBUG (g_message("%s: returning %d", __func__, mono_w32socket_get_last_error ()));
727 return mono_w32socket_get_last_error ();
731 ves_icall_System_Net_Sockets_Socket_Available_internal (gsize sock, gint32 *werror)
738 /* FIXME: this might require amount to be unsigned long. */
739 ret = mono_w32socket_get_available (sock, &amount);
740 if (ret == SOCKET_ERROR) {
741 *werror = mono_w32socket_get_last_error ();
749 ves_icall_System_Net_Sockets_Socket_Blocking_internal (gsize sock, gboolean block, gint32 *werror)
755 ret = mono_w32socket_set_blocking (sock, block);
756 if (ret == SOCKET_ERROR)
757 *werror = mono_w32socket_get_last_error ();
761 ves_icall_System_Net_Sockets_Socket_Accept_internal (gsize sock, gint32 *werror, gboolean blocking)
763 gboolean interrupted;
768 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
775 newsock = mono_w32socket_accept (sock, NULL, 0, blocking);
778 if (newsock == INVALID_SOCKET)
779 *werror = mono_w32socket_get_last_error ();
781 mono_thread_info_uninstall_interrupt (&interrupted);
788 return GUINT_TO_POINTER (newsock);
792 ves_icall_System_Net_Sockets_Socket_Listen_internal(gsize sock, guint32 backlog, gint32 *werror)
800 ret = mono_w32socket_listen (sock, backlog);
804 if (ret == SOCKET_ERROR)
805 *werror = mono_w32socket_get_last_error ();
808 #ifdef HAVE_STRUCT_SOCKADDR_IN6
809 // Check whether it's ::ffff::0:0.
811 is_ipv4_mapped_any (const struct in6_addr *addr)
815 for (i = 0; i < 10; i++) {
816 if (addr->s6_addr [i])
819 if ((addr->s6_addr [10] != 0xff) || (addr->s6_addr [11] != 0xff))
821 for (i = 12; i < 16; i++) {
822 if (addr->s6_addr [i])
830 create_object_from_sockaddr (struct sockaddr *saddr, int sa_size, gint32 *werror, MonoError *error)
832 MonoDomain *domain = mono_domain_get ();
833 MonoObject *sockaddr_obj;
835 MonoAddressFamily family;
839 /* Build a System.Net.SocketAddress object instance */
840 if (!domain->sockaddr_class)
841 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
842 sockaddr_obj = mono_object_new_checked (domain, domain->sockaddr_class, error);
843 return_val_if_nok (error, NULL);
845 /* Locate the SocketAddress data buffer in the object */
846 if (!domain->sockaddr_data_field) {
847 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
848 g_assert (domain->sockaddr_data_field);
851 /* Locate the SocketAddress data buffer length in the object */
852 if (!domain->sockaddr_data_length_field) {
853 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
854 g_assert (domain->sockaddr_data_length_field);
857 /* May be the +2 here is too conservative, as sa_len returns
858 * the length of the entire sockaddr_in/in6, including
859 * sizeof (unsigned short) of the family */
860 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
861 data = mono_array_new_cached (domain, mono_get_byte_class (), sa_size + 2, error);
862 return_val_if_nok (error, NULL);
864 /* The data buffer is laid out as follows:
865 * bytes 0 and 1 are the address family
866 * bytes 2 and 3 are the port info
867 * the rest is the address info
870 family = convert_to_mono_family (saddr->sa_family);
871 if (family == AddressFamily_Unknown) {
872 *werror = WSAEAFNOSUPPORT;
876 mono_array_set (data, guint8, 0, family & 0x0FF);
877 mono_array_set (data, guint8, 1, (family >> 8) & 0x0FF);
879 if (saddr->sa_family == AF_INET) {
880 struct sockaddr_in *sa_in = (struct sockaddr_in *)saddr;
881 guint16 port = ntohs (sa_in->sin_port);
882 guint32 address = ntohl (sa_in->sin_addr.s_addr);
885 if (sa_size < buffer_size) {
886 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
890 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
891 mono_array_set (data, guint8, 3, (port) & 0xff);
892 mono_array_set (data, guint8, 4, (address>>24) & 0xff);
893 mono_array_set (data, guint8, 5, (address>>16) & 0xff);
894 mono_array_set (data, guint8, 6, (address>>8) & 0xff);
895 mono_array_set (data, guint8, 7, (address) & 0xff);
897 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
898 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
901 #ifdef HAVE_STRUCT_SOCKADDR_IN6
902 } else if (saddr->sa_family == AF_INET6) {
903 struct sockaddr_in6 *sa_in = (struct sockaddr_in6 *)saddr;
905 int buffer_size = 28;
907 guint16 port = ntohs (sa_in->sin6_port);
909 if (sa_size < buffer_size) {
910 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
914 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
915 mono_array_set (data, guint8, 3, (port) & 0xff);
917 if (is_ipv4_mapped_any (&sa_in->sin6_addr)) {
918 // Map ::ffff:0:0 to :: (bug #5502)
919 for (i = 0; i < 16; i++)
920 mono_array_set (data, guint8, 8 + i, 0);
922 for (i = 0; i < 16; i++) {
923 mono_array_set (data, guint8, 8 + i,
924 sa_in->sin6_addr.s6_addr [i]);
928 mono_array_set (data, guint8, 24, sa_in->sin6_scope_id & 0xff);
929 mono_array_set (data, guint8, 25,
930 (sa_in->sin6_scope_id >> 8) & 0xff);
931 mono_array_set (data, guint8, 26,
932 (sa_in->sin6_scope_id >> 16) & 0xff);
933 mono_array_set (data, guint8, 27,
934 (sa_in->sin6_scope_id >> 24) & 0xff);
936 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
937 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
943 else if (saddr->sa_family == AF_UNIX) {
945 int buffer_size = sa_size + 2;
947 for (i = 0; i < sa_size; i++)
948 mono_array_set (data, guint8, i + 2, saddr->sa_data [i]);
950 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
951 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
957 *werror = WSAEAFNOSUPPORT;
963 get_sockaddr_size (int family)
968 if (family == AF_INET) {
969 size = sizeof (struct sockaddr_in);
970 #ifdef HAVE_STRUCT_SOCKADDR_IN6
971 } else if (family == AF_INET6) {
972 size = sizeof (struct sockaddr_in6);
976 else if (family == AF_UNIX) {
977 size = sizeof (struct sockaddr_un);
984 ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
994 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
996 *werror = WSAEAFNOSUPPORT;
999 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1003 ret = mono_w32socket_getsockname (sock, (struct sockaddr *)sa, &salen);
1007 if (ret == SOCKET_ERROR) {
1008 *werror = mono_w32socket_get_last_error ();
1014 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)));
1016 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1019 if (!mono_error_ok (&error))
1020 mono_error_set_pending_exception (&error);
1025 ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
1035 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1037 *werror = WSAEAFNOSUPPORT;
1040 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1041 /* Note: linux returns just 2 for AF_UNIX. Always. */
1045 ret = mono_w32socket_getpeername (sock, (struct sockaddr *)sa, &salen);
1049 if (ret == SOCKET_ERROR) {
1050 *werror = mono_w32socket_get_last_error ();
1056 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)));
1058 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1061 if (!mono_error_ok (&error))
1062 mono_error_set_pending_exception (&error);
1066 static struct sockaddr*
1067 create_sockaddr_from_object (MonoObject *saddr_obj, socklen_t *sa_size, gint32 *werror, MonoError *error)
1069 MonoDomain *domain = mono_domain_get ();
1076 if (!domain->sockaddr_class)
1077 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
1079 /* Locate the SocketAddress data buffer in the object */
1080 if (!domain->sockaddr_data_field) {
1081 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
1082 g_assert (domain->sockaddr_data_field);
1085 /* Locate the SocketAddress data buffer length in the object */
1086 if (!domain->sockaddr_data_length_field) {
1087 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
1088 g_assert (domain->sockaddr_data_length_field);
1091 data = *(MonoArray **)(((char *)saddr_obj) + domain->sockaddr_data_field->offset);
1093 /* The data buffer is laid out as follows:
1094 * byte 0 is the address family low byte
1095 * byte 1 is the address family high byte
1097 * bytes 2 and 3 are the port info
1098 * the rest is the address info
1100 * the rest is the file name
1102 len = *(int *)(((char *)saddr_obj) + domain->sockaddr_data_length_field->offset);
1103 g_assert (len >= 2);
1105 family = convert_family ((MonoAddressFamily)(mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8)));
1106 if (family == AF_INET) {
1107 struct sockaddr_in *sa;
1112 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1116 sa = g_new0 (struct sockaddr_in, 1);
1117 port = (mono_array_get (data, guint8, 2) << 8) +
1118 mono_array_get (data, guint8, 3);
1119 address = (mono_array_get (data, guint8, 4) << 24) +
1120 (mono_array_get (data, guint8, 5) << 16 ) +
1121 (mono_array_get (data, guint8, 6) << 8) +
1122 mono_array_get (data, guint8, 7);
1124 sa->sin_family = family;
1125 sa->sin_addr.s_addr = htonl (address);
1126 sa->sin_port = htons (port);
1128 *sa_size = sizeof (struct sockaddr_in);
1129 return (struct sockaddr *)sa;
1130 #ifdef HAVE_STRUCT_SOCKADDR_IN6
1131 } else if (family == AF_INET6) {
1132 struct sockaddr_in6 *sa;
1138 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1142 sa = g_new0 (struct sockaddr_in6, 1);
1143 port = mono_array_get (data, guint8, 3) +
1144 (mono_array_get (data, guint8, 2) << 8);
1145 scopeid = mono_array_get (data, guint8, 24) +
1146 (mono_array_get (data, guint8, 25) << 8) +
1147 (mono_array_get (data, guint8, 26) << 16) +
1148 (mono_array_get (data, guint8, 27) << 24);
1150 sa->sin6_family = family;
1151 sa->sin6_port = htons (port);
1152 sa->sin6_scope_id = scopeid;
1154 for (i = 0; i < 16; i++)
1155 sa->sin6_addr.s6_addr [i] = mono_array_get (data, guint8, 8 + i);
1157 *sa_size = sizeof (struct sockaddr_in6);
1158 return (struct sockaddr *)sa;
1161 #ifdef HAVE_SYS_UN_H
1162 else if (family == AF_UNIX) {
1163 struct sockaddr_un *sock_un;
1166 /* Need a byte for the '\0' terminator/prefix, and the first
1167 * two bytes hold the SocketAddress family
1169 if (len - 2 >= sizeof (sock_un->sun_path)) {
1170 mono_error_set_exception_instance (error, mono_get_exception_index_out_of_range ());
1174 sock_un = g_new0 (struct sockaddr_un, 1);
1176 sock_un->sun_family = family;
1177 for (i = 0; i < len - 2; i++)
1178 sock_un->sun_path [i] = mono_array_get (data, guint8, i + 2);
1181 return (struct sockaddr *)sock_un;
1185 *werror = WSAEAFNOSUPPORT;
1191 ves_icall_System_Net_Sockets_Socket_Bind_internal (gsize sock, MonoObject *sockaddr, gint32 *werror)
1194 struct sockaddr *sa;
1200 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1203 if (!mono_error_ok (&error)) {
1204 mono_error_set_pending_exception (&error);
1208 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)));
1210 ret = mono_w32socket_bind (sock, sa, sa_size);
1212 if (ret == SOCKET_ERROR)
1213 *werror = mono_w32socket_get_last_error ();
1225 ves_icall_System_Net_Sockets_Socket_Poll_internal (gsize sock, gint mode,
1226 gint timeout, gint32 *werror)
1228 MonoInternalThread *thread = mono_thread_internal_current ();
1231 gboolean interrupted;
1236 pfds = g_new0 (mono_pollfd, 1);
1237 pfds->fd = GPOINTER_TO_INT (sock);
1240 case SelectModeRead:
1241 pfds->events = MONO_POLLIN;
1243 case SelectModeWrite:
1244 pfds->events = MONO_POLLOUT;
1247 pfds->events = MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL;
1251 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1252 start = time (NULL);
1255 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1264 ret = mono_poll (pfds, 1, timeout);
1268 mono_thread_info_uninstall_interrupt (&interrupted);
1275 if (timeout > 0 && ret < 0) {
1277 int sec = time (NULL) - start;
1279 timeout -= sec * 1000;
1287 if (ret == -1 && errno == EINTR) {
1288 if (mono_thread_test_state (thread, ThreadState_AbortRequested)) {
1293 /* Suspend requested? */
1294 mono_thread_interruption_checkpoint ();
1298 } while (ret == -1 && errno == EINTR);
1301 *werror = mono_w32socket_convert_error (errno);
1311 ves_icall_System_Net_Sockets_Socket_Connect_internal (gsize sock, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1314 struct sockaddr *sa;
1317 gboolean interrupted;
1321 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1324 if (!mono_error_ok (&error)) {
1325 mono_error_set_pending_exception (&error);
1329 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)));
1331 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1338 ret = mono_w32socket_connect (sock, sa, sa_size, blocking);
1341 if (ret == SOCKET_ERROR)
1342 *werror = mono_w32socket_get_last_error ();
1344 mono_thread_info_uninstall_interrupt (&interrupted);
1351 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
1354 ves_icall_System_Net_Sockets_Socket_Disconnect_internal (gsize sock, MonoBoolean reuse, gint32 *werror)
1356 gboolean interrupted;
1358 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1360 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1367 *werror = mono_w32socket_disconnect (sock, reuse);
1370 mono_thread_info_uninstall_interrupt (&interrupted);
1374 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
1377 ves_icall_System_Net_Sockets_Socket_Receive_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1383 gboolean interrupted;
1384 MonoInternalThread* curthread G_GNUC_UNUSED = mono_thread_internal_current ();
1388 alen = mono_array_length (buffer);
1389 if (offset > alen - count)
1392 buf = mono_array_addr (buffer, gchar, offset);
1394 recvflags = convert_socketflags (flags);
1395 if (recvflags == -1) {
1396 *werror = WSAEOPNOTSUPP;
1400 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1405 ret = mono_w32socket_recv (sock, buf, count, recvflags, blocking);
1408 if (ret == SOCKET_ERROR)
1409 *werror = mono_w32socket_get_last_error ();
1411 mono_thread_info_uninstall_interrupt (&interrupted);
1422 ves_icall_System_Net_Sockets_Socket_Receive_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1425 gboolean interrupted;
1428 guint32 recvflags = 0;
1432 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1433 count = mono_array_length (buffers);
1435 recvflags = convert_socketflags (flags);
1436 if (recvflags == -1) {
1437 *werror = WSAEOPNOTSUPP;
1441 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1448 ret = mono_w32socket_recvbuffers (sock, wsabufs, count, &recv, &recvflags, NULL, NULL, blocking);
1451 if (ret == SOCKET_ERROR)
1452 *werror = mono_w32socket_get_last_error ();
1454 mono_thread_info_uninstall_interrupt (&interrupted);
1465 ves_icall_System_Net_Sockets_Socket_ReceiveFrom_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *werror, gboolean blocking)
1472 struct sockaddr *sa;
1474 gboolean interrupted;
1478 alen = mono_array_length (buffer);
1479 if (offset > alen - count)
1482 sa = create_sockaddr_from_object (*sockaddr, &sa_size, werror, &error);
1485 if (!mono_error_ok (&error)) {
1486 mono_error_set_pending_exception (&error);
1490 buf = mono_array_addr (buffer, gchar, offset);
1492 recvflags = convert_socketflags (flags);
1493 if (recvflags == -1) {
1494 *werror = WSAEOPNOTSUPP;
1498 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1506 ret = mono_w32socket_recvfrom (sock, buf, count, recvflags, sa, &sa_size, blocking);
1509 if (ret == SOCKET_ERROR)
1510 *werror = mono_w32socket_get_last_error ();
1512 mono_thread_info_uninstall_interrupt (&interrupted);
1522 /* If we didn't get a socket size, then we're probably a
1523 * connected connection-oriented socket and the stack hasn't
1524 * returned the remote address. All we can do is return null.
1527 *sockaddr = create_object_from_sockaddr (sa, sa_size, werror, &error);
1528 if (!mono_error_ok (&error)) {
1529 mono_error_set_pending_exception (&error);
1543 ves_icall_System_Net_Sockets_Socket_Send_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1549 gboolean interrupted;
1553 alen = mono_array_length (buffer);
1554 if (offset > alen - count)
1557 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1559 buf = mono_array_addr (buffer, gchar, offset);
1561 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1563 sendflags = convert_socketflags (flags);
1564 if (sendflags == -1) {
1565 *werror = WSAEOPNOTSUPP;
1569 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1576 ret = mono_w32socket_send (sock, buf, count, sendflags, blocking);
1579 if (ret == SOCKET_ERROR)
1580 *werror = mono_w32socket_get_last_error ();
1582 mono_thread_info_uninstall_interrupt (&interrupted);
1593 ves_icall_System_Net_Sockets_Socket_Send_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1598 guint32 sendflags = 0;
1599 gboolean interrupted;
1603 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1604 count = mono_array_length (buffers);
1606 sendflags = convert_socketflags (flags);
1607 if (sendflags == -1) {
1608 *werror = WSAEOPNOTSUPP;
1612 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1619 ret = mono_w32socket_sendbuffers (sock, wsabufs, count, &sent, sendflags, NULL, NULL, blocking);
1622 if (ret == SOCKET_ERROR)
1623 *werror = mono_w32socket_get_last_error ();
1625 mono_thread_info_uninstall_interrupt (&interrupted);
1636 ves_icall_System_Net_Sockets_Socket_SendTo_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1643 struct sockaddr *sa;
1645 gboolean interrupted;
1649 alen = mono_array_length (buffer);
1650 if (offset > alen - count) {
1654 sa = create_sockaddr_from_object(sockaddr, &sa_size, werror, &error);
1657 if (!mono_error_ok (&error)) {
1658 mono_error_set_pending_exception (&error);
1662 LOGDEBUG (g_message ("%s: alen: %d", __func__, alen));
1664 buf = mono_array_addr (buffer, gchar, offset);
1666 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1668 sendflags = convert_socketflags (flags);
1669 if (sendflags == -1) {
1671 *werror = WSAEOPNOTSUPP;
1675 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1683 ret = mono_w32socket_sendto (sock, buf, count, sendflags, sa, sa_size, blocking);
1686 if (ret == SOCKET_ERROR)
1687 *werror = mono_w32socket_get_last_error ();
1689 mono_thread_info_uninstall_interrupt (&interrupted);
1702 Socket_to_SOCKET (MonoObject *sockobj)
1704 MonoSafeHandle *safe_handle;
1705 MonoClassField *field;
1707 field = mono_class_get_field_from_name (sockobj->vtable->klass, "m_Handle");
1708 safe_handle = ((MonoSafeHandle *)(*(gpointer *)(((char *)sockobj) + field->offset)));
1710 if (safe_handle == NULL)
1713 return (SOCKET)safe_handle->handle;
1716 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1719 ves_icall_System_Net_Sockets_Socket_Select_internal (MonoArray **sockets, gint32 timeout, gint32 *werror)
1722 MonoInternalThread *thread = mono_thread_internal_current ();
1729 MonoClass *sock_arr_class;
1732 uintptr_t socks_size;
1733 gboolean interrupted;
1737 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1738 count = mono_array_length (*sockets);
1739 nfds = count - 3; /* NULL separators */
1740 pfds = g_new0 (mono_pollfd, nfds);
1742 for (i = 0; i < count; i++) {
1743 obj = mono_array_get (*sockets, MonoObject *, i);
1750 /* The socket array was bogus */
1752 *werror = WSAEFAULT;
1756 pfds [idx].fd = Socket_to_SOCKET (obj);
1757 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1761 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1762 start = time (NULL);
1764 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1773 ret = mono_poll (pfds, nfds, timeout);
1777 mono_thread_info_uninstall_interrupt (&interrupted);
1784 if (timeout > 0 && ret < 0) {
1786 int sec = time (NULL) - start;
1788 timeout -= sec * 1000;
1794 if (ret == -1 && errno == EINTR) {
1795 if (mono_thread_test_state (thread, ThreadState_AbortRequested)) {
1801 /* Suspend requested? */
1802 mono_thread_interruption_checkpoint ();
1806 } while (ret == -1 && errno == EINTR);
1809 *werror = mono_w32socket_convert_error (errno);
1820 sock_arr_class = ((MonoObject *)*sockets)->vtable->klass;
1821 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1822 socks = mono_array_new_full_checked (mono_domain_get (), sock_arr_class, &socks_size, NULL, &error);
1823 if (!mono_error_ok (&error)) {
1824 mono_error_set_pending_exception (&error);
1830 for (i = 0; i < count && ret > 0; i++) {
1833 obj = mono_array_get (*sockets, MonoObject *, i);
1840 pfd = &pfds [i - mode];
1841 if (pfd->revents == 0)
1845 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1846 mono_array_setref (socks, idx++, obj);
1847 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1848 mono_array_setref (socks, idx++, obj);
1849 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1850 mono_array_setref (socks, idx++, obj);
1859 int_to_object (MonoDomain *domain, int val, MonoError *error)
1861 return mono_value_box_checked (domain, mono_get_int32_class (), &val, error);
1865 ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal (gsize sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *werror)
1867 int system_level = 0;
1868 int system_name = 0;
1871 socklen_t valsize = sizeof (val);
1872 struct linger linger;
1873 socklen_t lingersize = sizeof (linger);
1875 socklen_t time_ms_size = sizeof (time_ms);
1877 # if defined(__OpenBSD__)
1878 struct sockpeercred cred;
1882 socklen_t credsize = sizeof (cred);
1885 MonoDomain *domain = mono_domain_get ();
1887 MonoClass *obj_class;
1888 MonoClassField *field;
1892 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1893 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1894 system_level = SOL_SOCKET;
1895 system_name = SO_REUSEADDR;
1900 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level, &system_name);
1904 *werror = WSAENOPROTOOPT;
1908 *obj_val = int_to_object (domain, 0, &error);
1909 mono_error_set_pending_exception (&error);
1915 /* No need to deal with MulticastOption names here, because
1916 * you cant getsockopt AddMembership or DropMembership (the
1917 * int getsockopt will error, causing an exception)
1920 case SocketOptionName_Linger:
1921 case SocketOptionName_DontLinger:
1922 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &linger, &lingersize);
1925 case SocketOptionName_SendTimeout:
1926 case SocketOptionName_ReceiveTimeout:
1927 ret = mono_w32socket_getsockopt (sock, system_level, system_name, (char *)&time_ms, &time_ms_size);
1931 case SocketOptionName_PeerCred:
1932 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &cred, &credsize);
1937 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &val, &valsize);
1942 if (ret == SOCKET_ERROR) {
1943 *werror = mono_w32socket_get_last_error ();
1948 case SocketOptionName_Linger:
1949 /* build a System.Net.Sockets.LingerOption */
1950 obj_class = mono_class_load_from_name (get_socket_assembly (),
1951 "System.Net.Sockets",
1953 obj = mono_object_new_checked (domain, obj_class, &error);
1954 if (!mono_error_ok (&error)) {
1955 mono_error_set_pending_exception (&error);
1959 /* Locate and set the fields "bool enabled" and "int
1962 field = mono_class_get_field_from_name(obj_class, "enabled");
1963 *(guint8 *)(((char *)obj)+field->offset) = linger.l_onoff;
1965 field = mono_class_get_field_from_name(obj_class, "lingerTime");
1966 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1968 case SocketOptionName_DontLinger:
1969 /* construct a bool int in val - true if linger is off */
1970 obj = int_to_object (domain, !linger.l_onoff, &error);
1971 mono_error_set_pending_exception (&error);
1973 case SocketOptionName_SendTimeout:
1974 case SocketOptionName_ReceiveTimeout:
1975 obj = int_to_object (domain, time_ms, &error);
1976 mono_error_set_pending_exception (&error);
1980 case SocketOptionName_PeerCred: {
1982 * build a Mono.Posix.PeerCred+PeerCredData if
1985 static MonoImage *mono_posix_image = NULL;
1986 MonoPeerCredData *cred_data;
1988 if (mono_posix_image == NULL) {
1989 mono_posix_image = mono_image_loaded ("Mono.Posix");
1990 if (!mono_posix_image) {
1991 MonoAssembly *sa = mono_assembly_open_predicate ("Mono.Posix.dll", FALSE, FALSE, NULL, NULL, NULL);
1993 *werror = WSAENOPROTOOPT;
1996 mono_posix_image = mono_assembly_get_image (sa);
2001 obj_class = mono_class_load_from_name (mono_posix_image,
2004 obj = mono_object_new_checked (domain, obj_class, &error);
2005 if (!mono_error_ok (&error)) {
2006 mono_error_set_pending_exception (&error);
2009 cred_data = (MonoPeerCredData *)obj;
2010 cred_data->pid = cred.pid;
2011 cred_data->uid = cred.uid;
2012 cred_data->gid = cred.gid;
2018 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2019 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
2022 obj = int_to_object (domain, val, &error);
2023 mono_error_set_pending_exception (&error);
2030 ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal (gsize sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *werror)
2032 int system_level = 0;
2033 int system_name = 0;
2040 ret = convert_sockopt_level_and_name((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2043 *werror = WSAENOPROTOOPT;
2049 valsize = mono_array_length (*byte_val);
2050 buf = mono_array_addr (*byte_val, guchar, 0);
2054 ret = mono_w32socket_getsockopt (sock, system_level, system_name, buf, &valsize);
2058 if (ret == SOCKET_ERROR)
2059 *werror = mono_w32socket_get_last_error ();
2062 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2063 static struct in_addr
2064 ipaddress_to_struct_in_addr (MonoObject *ipaddr)
2066 struct in_addr inaddr;
2067 MonoClassField *field;
2069 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Address");
2071 /* No idea why .net uses a 64bit type to hold a 32bit value...
2073 * Internal value of IPAddess is in little-endian order
2075 inaddr.s_addr = GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr) + field->offset));
2080 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2081 static struct in6_addr
2082 ipaddress_to_struct_in6_addr (MonoObject *ipaddr)
2084 struct in6_addr in6addr;
2085 MonoClassField *field;
2089 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Numbers");
2091 data = *(MonoArray **)(((char *)ipaddr) + field->offset);
2093 for (i = 0; i < 8; i++) {
2094 const guint16 s = GUINT16_TO_BE (mono_array_get (data, guint16, i));
2096 /* Solaris/MacOS have only the 8 bit version. */
2098 in6addr.s6_addr[2 * i + 1] = (s >> 8) & 0xff;
2099 in6addr.s6_addr[2 * i] = s & 0xff;
2101 in6addr.s6_addr16[i] = s;
2109 #if defined(__APPLE__) || defined(__FreeBSD__)
2112 get_local_interface_id (int family)
2114 #if !defined(HAVE_GETIFADDRS) || !defined(HAVE_IF_NAMETOINDEX)
2117 struct ifaddrs *ifap = NULL, *ptr;
2120 if (getifaddrs (&ifap))
2123 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2124 if (!ptr->ifa_addr || !ptr->ifa_name)
2126 if (ptr->ifa_addr->sa_family != family)
2128 if ((ptr->ifa_flags & IFF_LOOPBACK) != 0)
2130 if ((ptr->ifa_flags & IFF_MULTICAST) == 0)
2133 idx = if_nametoindex (ptr->ifa_name);
2142 #endif /* defined(__APPLE__) || defined(__FreeBSD__) */
2145 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)
2147 struct linger linger;
2148 int system_level = 0;
2149 int system_name = 0;
2156 sol_ipv6 = mono_networking_get_ipv6_protocol ();
2157 sol_ip = mono_networking_get_ip_protocol ();
2159 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2162 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2163 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2164 system_name = SO_REUSEADDR;
2165 int_val = int_val ? 0 : 1;
2171 *werror = WSAENOPROTOOPT;
2177 /* Only one of obj_val, byte_val or int_val has data */
2179 MonoClassField *field;
2183 case SocketOptionName_Linger:
2184 /* Dig out "bool enabled" and "int lingerTime"
2187 field = mono_class_get_field_from_name (obj_val->vtable->klass, "enabled");
2188 linger.l_onoff = *(guint8 *)(((char *)obj_val) + field->offset);
2189 field = mono_class_get_field_from_name (obj_val->vtable->klass, "lingerTime");
2190 linger.l_linger = *(guint32 *)(((char *)obj_val) + field->offset);
2192 valsize = sizeof (linger);
2193 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, valsize);
2195 case SocketOptionName_AddMembership:
2196 case SocketOptionName_DropMembership:
2197 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2199 MonoObject *address = NULL;
2200 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2201 if (system_level == sol_ipv6) {
2202 struct ipv6_mreq mreq6;
2207 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Group");
2209 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2212 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2214 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Interface");
2215 mreq6.ipv6mr_interface = *(guint64 *)(((char *)obj_val) + field->offset);
2217 #if defined(__APPLE__) || defined(__FreeBSD__)
2221 * Mac OS Lion doesn't allow ipv6mr_interface = 0.
2223 * Tests on Windows and Linux show that the multicast group is only
2224 * joined on one NIC when interface = 0, so we simply use the interface
2225 * id from the first non-loopback interface (this is also what
2226 * Dns.GetHostName (string.Empty) would return).
2228 if (!mreq6.ipv6mr_interface)
2229 mreq6.ipv6mr_interface = get_local_interface_id (AF_INET6);
2232 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq6, sizeof (mreq6));
2236 if (system_level == sol_ip) {
2237 #ifdef HAVE_STRUCT_IP_MREQN
2238 struct ip_mreqn mreq = {{0}};
2240 struct ip_mreq mreq = {{0}};
2241 #endif /* HAVE_STRUCT_IP_MREQN */
2244 * pain! MulticastOption holds two IPAddress
2245 * members, so I have to dig the value out of
2248 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2249 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2251 /* address might not be defined and if so, set the address to ADDR_ANY.
2254 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2256 field = mono_class_get_field_from_name (obj_val->vtable->klass, "localAddress");
2257 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2259 #ifdef HAVE_STRUCT_IP_MREQN
2261 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2263 field = mono_class_get_field_from_name (obj_val->vtable->klass, "ifIndex");
2264 mreq.imr_ifindex = *(gint32 *)(((char *)obj_val) + field->offset);
2267 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2268 #endif /* HAVE_STRUCT_IP_MREQN */
2270 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq, sizeof (mreq));
2274 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2276 /* Cause an exception to be thrown */
2277 *werror = WSAEINVAL;
2280 } else if (byte_val!=NULL) {
2281 int valsize = mono_array_length (byte_val);
2282 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2285 case SocketOptionName_DontLinger:
2287 linger.l_onoff = (*buf) ? 0 : 1;
2288 linger.l_linger = 0;
2289 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2291 *werror = WSAEINVAL;
2295 ret = mono_w32socket_setsockopt (sock, system_level, system_name, buf, valsize);
2299 /* ReceiveTimeout/SendTimeout get here */
2301 case SocketOptionName_DontLinger:
2302 linger.l_onoff = !int_val;
2303 linger.l_linger = 0;
2304 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2306 case SocketOptionName_MulticastInterface:
2308 #ifdef HAVE_STRUCT_IP_MREQN
2309 int_val = GUINT32_FROM_BE (int_val);
2310 if ((int_val & 0xff000000) == 0) {
2311 /* int_val is interface index */
2312 struct ip_mreqn mreq = {{0}};
2313 mreq.imr_ifindex = int_val;
2314 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &mreq, sizeof (mreq));
2317 int_val = GUINT32_TO_BE (int_val);
2318 #endif /* HAVE_STRUCT_IP_MREQN */
2319 #endif /* HOST_WIN32 */
2320 /* int_val is in_addr */
2321 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2323 case SocketOptionName_DontFragment:
2324 #ifdef HAVE_IP_MTU_DISCOVER
2325 /* Fiddle with the value slightly if we're
2329 int_val = IP_PMTUDISC_DO;
2334 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2338 if (ret == SOCKET_ERROR)
2339 *werror = mono_w32socket_get_last_error ();
2343 ves_icall_System_Net_Sockets_Socket_Shutdown_internal (gsize sock, gint32 how, gint32 *werror)
2346 gboolean interrupted;
2350 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2358 /* Currently, the values for how (recv=0, send=1, both=2) match the BSD API */
2359 ret = mono_w32socket_shutdown (sock, how);
2363 if (ret == SOCKET_ERROR)
2364 *werror = mono_w32socket_get_last_error ();
2366 mono_thread_info_uninstall_interrupt (&interrupted);
2374 ves_icall_System_Net_Sockets_Socket_IOControl_internal (gsize sock, gint32 code, MonoArray *input, MonoArray *output, gint32 *werror)
2376 glong output_bytes = 0;
2377 gchar *i_buffer, *o_buffer;
2383 if ((guint32)code == FIONBIO)
2384 /* Invalid command. Must use Socket.Blocking */
2387 if (input == NULL) {
2391 i_buffer = mono_array_addr (input, gchar, 0);
2392 i_len = mono_array_length (input);
2395 if (output == NULL) {
2399 o_buffer = mono_array_addr (output, gchar, 0);
2400 o_len = mono_array_length (output);
2405 ret = mono_w32socket_ioctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes);
2409 if (ret == SOCKET_ERROR) {
2410 *werror = mono_w32socket_get_last_error ();
2414 return (gint)output_bytes;
2418 addrinfo_to_IPHostEntry (MonoAddressInfo *info, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips, MonoError *error)
2421 MonoAddressEntry *ai = NULL;
2422 struct in_addr *local_in = NULL;
2424 struct in6_addr *local_in6 = NULL;
2427 MonoDomain *domain = mono_domain_get ();
2431 *h_aliases = mono_array_new_checked (domain, mono_get_string_class (), 0, error);
2432 return_val_if_nok (error, FALSE);
2433 if (add_local_ips) {
2434 local_in = (struct in_addr *) mono_get_local_interfaces (AF_INET, &nlocal_in);
2435 local_in6 = (struct in6_addr *) mono_get_local_interfaces (AF_INET6, &nlocal_in6);
2436 if (nlocal_in || nlocal_in6) {
2437 char addr [INET6_ADDRSTRLEN];
2438 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), nlocal_in + nlocal_in6, error);
2443 MonoString *addr_string;
2446 for (i = 0; i < nlocal_in; i++) {
2448 mono_address_init (&maddr, AF_INET, &local_in [i]);
2449 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2450 addr_string = mono_string_new (domain, addr);
2451 mono_array_setref (*h_addr_list, addr_index, addr_string);
2456 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2458 MonoString *addr_string;
2461 for (i = 0; i < nlocal_in6; i++) {
2463 mono_address_init (&maddr, AF_INET6, &local_in6 [i]);
2464 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2465 addr_string = mono_string_new (domain, addr);
2466 mono_array_setref (*h_addr_list, addr_index, addr_string);
2476 mono_free_address_info (info);
2477 return is_ok (error);;
2484 for (count = 0, ai = info->entries; ai != NULL; ai = ai->next) {
2485 if (ai->family != AF_INET && ai->family != AF_INET6)
2490 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), count, error);
2494 for (ai = info->entries, i = 0; ai != NULL; ai = ai->next) {
2496 MonoString *addr_string;
2497 char buffer [INET6_ADDRSTRLEN]; /* Max. size for IPv6 */
2499 if ((ai->family != PF_INET) && (ai->family != PF_INET6))
2502 mono_address_init (&maddr, ai->family, &ai->address);
2503 if (mono_networking_addr_to_str (&maddr, buffer, sizeof (buffer)))
2504 addr_string = mono_string_new (domain, buffer);
2506 addr_string = mono_string_new (domain, "");
2508 mono_array_setref (*h_addr_list, addr_index, addr_string);
2512 if (ai->canonical_name != NULL) {
2513 *h_name = mono_string_new (domain, ai->canonical_name);
2515 *h_name = mono_string_new (domain, buffer);
2524 mono_free_address_info (info);
2526 return is_ok (error);
2530 ves_icall_System_Net_Dns_GetHostByName_internal (MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2533 gboolean add_local_ips = FALSE, add_info_ok = TRUE;
2534 gchar this_hostname [256];
2535 MonoAddressInfo *info = NULL;
2537 char *hostname = mono_string_to_utf8_checked (host, &error);
2538 if (mono_error_set_pending_exception (&error))
2541 if (*hostname == '\0') {
2542 add_local_ips = TRUE;
2546 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2547 if (!strcmp (hostname, this_hostname)) {
2548 add_local_ips = TRUE;
2554 // Win32 APIs already returns local interface addresses for empty hostname ("")
2555 // so we never want to add them manually.
2556 add_local_ips = FALSE;
2557 if (mono_get_address_info(hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2558 add_info_ok = FALSE;
2560 if (*hostname && mono_get_address_info (hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2561 add_info_ok = FALSE;
2567 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, add_local_ips, &error);
2568 mono_error_set_pending_exception (&error);
2575 ves_icall_System_Net_Dns_GetHostByAddr_internal (MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2578 struct sockaddr_in saddr;
2579 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2580 struct sockaddr_in6 saddr6;
2582 MonoAddressInfo *info = NULL;
2585 gchar hostname [NI_MAXHOST] = { 0 };
2588 address = mono_string_to_utf8_checked (addr, &error);
2589 if (mono_error_set_pending_exception (&error))
2592 if (inet_pton (AF_INET, address, &saddr.sin_addr ) == 1) {
2594 saddr.sin_family = AF_INET;
2595 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2596 } else if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) == 1) {
2598 saddr6.sin6_family = AF_INET6;
2611 #if HAVE_SOCKADDR_IN_SIN_LEN
2612 saddr.sin_len = sizeof (saddr);
2614 ret = getnameinfo ((struct sockaddr*)&saddr, sizeof (saddr), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2617 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2619 #if HAVE_SOCKADDR_IN6_SIN_LEN
2620 saddr6.sin6_len = sizeof (saddr6);
2622 ret = getnameinfo ((struct sockaddr*)&saddr6, sizeof (saddr6), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2627 g_assert_not_reached ();
2635 if (mono_get_address_info (hostname, 0, hint | MONO_HINT_CANONICAL_NAME | MONO_HINT_CONFIGURED_ONLY, &info) != 0)
2638 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE, &error);
2639 mono_error_set_pending_exception (&error);
2644 ves_icall_System_Net_Dns_GetHostName_internal (MonoString **h_name)
2646 gchar hostname [NI_MAXHOST] = { 0 };
2649 ret = gethostname (hostname, sizeof (hostname));
2653 *h_name = mono_string_new (mono_domain_get (), hostname);
2658 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
2660 ves_icall_System_Net_Sockets_Socket_SendFile_internal (gsize sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags, gint32 *werror, gboolean blocking)
2664 gboolean interrupted;
2665 TRANSMIT_FILE_BUFFERS buffers;
2669 if (filename == NULL)
2672 /* FIXME: replace file by a proper fd that we can call open and close on, as they are interruptible */
2674 file = mono_w32file_create (mono_string_chars (filename), GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, 0);
2675 if (file == INVALID_HANDLE_VALUE) {
2676 *werror = mono_w32error_get_last ();
2680 memset (&buffers, 0, sizeof (buffers));
2681 if (pre_buffer != NULL) {
2682 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
2683 buffers.HeadLength = mono_array_length (pre_buffer);
2685 if (post_buffer != NULL) {
2686 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
2687 buffers.TailLength = mono_array_length (post_buffer);
2690 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2692 mono_w32file_close (file);
2693 mono_w32error_set_last (WSAEINTR);
2698 ret = mono_w32socket_transmit_file (sock, file, &buffers, flags, blocking);
2702 *werror = mono_w32socket_get_last_error ();
2704 mono_thread_info_uninstall_interrupt (&interrupted);
2706 mono_w32file_close (file);
2711 mono_w32file_close (file);
2718 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
2721 mono_network_init (void)
2723 mono_networking_init ();
2724 mono_w32socket_initialize ();
2728 mono_network_cleanup (void)
2730 mono_w32socket_cleanup ();
2731 mono_networking_shutdown ();
2735 icall_cancel_blocking_socket_operation (MonoThread *thread)
2737 MonoInternalThread *internal;
2739 internal = thread->internal_thread;
2740 g_assert (internal);
2742 mono_thread_info_abort_socket_syscall_for_close (MONO_UINT_TO_NATIVE_THREAD_ID (internal->tid));
2745 #endif /* #ifndef DISABLE_SOCKETS */