3 * Socket IO internal calls
6 * Dick Porter (dick@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
12 * This file has been re-licensed under the MIT License:
13 * http://opensource.org/licenses/MIT
14 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
19 #ifndef DISABLE_SOCKETS
21 #if defined(__APPLE__) || defined(__FreeBSD__)
22 #define __APPLE_USE_RFC_3542
31 #include <sys/socket.h>
32 #ifdef HAVE_SYS_IOCTL_H
33 #include <sys/ioctl.h>
35 #include <netinet/in.h>
36 #include <netinet/tcp.h>
40 #include <arpa/inet.h>
47 #include <sys/types.h>
49 #include <mono/metadata/object.h>
50 #include <mono/metadata/exception.h>
51 #include <mono/metadata/assembly-internals.h>
52 #include <mono/metadata/appdomain.h>
53 #include <mono/metadata/w32file.h>
54 #include <mono/metadata/threads.h>
55 #include <mono/metadata/threads-types.h>
56 #include <mono/metadata/threadpool-io.h>
57 #include <mono/utils/mono-poll.h>
58 /* FIXME change this code to not mess so much with the internals */
59 #include <mono/metadata/class-internals.h>
60 #include <mono/metadata/domain-internals.h>
61 #include <mono/utils/mono-threads.h>
62 #include <mono/utils/mono-memory-model.h>
63 #include <mono/utils/networking.h>
64 #include <mono/metadata/w32handle.h>
65 #include <mono/metadata/w32socket.h>
66 #include <mono/metadata/w32socket-internals.h>
67 #include <mono/metadata/w32error.h>
70 #ifdef HAVE_SYS_TIME_H
73 #ifdef HAVE_SYS_IOCTL_H
74 #include <sys/ioctl.h>
83 #ifdef HAVE_SYS_FILIO_H
84 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
86 #ifdef HAVE_SYS_SOCKIO_H
87 #include <sys/sockio.h> /* defines SIOCATMARK */
93 #ifdef HAVE_GETIFADDRS
94 // <net/if.h> must be included before <ifaddrs.h>
98 #if defined(_MSC_VER) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
102 #define LOGDEBUG(...)
103 /* define LOGDEBUG(...) g_message(__VA_ARGS__) */
108 mono_w32socket_socket (int domain, int type, int protocol)
110 return WSASocket (domain, type, protocol, NULL, 0, WSA_FLAG_OVERLAPPED);
114 mono_w32socket_bind (SOCKET sock, struct sockaddr *addr, socklen_t addrlen)
116 return bind (sock, addr, addrlen);
120 mono_w32socket_getpeername (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
122 return getpeername (sock, name, namelen);
126 mono_w32socket_getsockname (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
128 return getsockname (sock, name, namelen);
132 mono_w32socket_getsockopt (SOCKET sock, gint level, gint optname, gpointer optval, socklen_t *optlen)
134 return getsockopt (sock, level, optname, optval, optlen);
138 mono_w32socket_setsockopt (SOCKET sock, gint level, gint optname, const gpointer optval, socklen_t optlen)
140 return setsockopt (sock, level, optname, optval, optlen);
144 mono_w32socket_listen (SOCKET sock, gint backlog)
146 return listen (sock, backlog);
150 mono_w32socket_shutdown (SOCKET sock, gint how)
152 return shutdown (sock, how);
156 mono_w32socket_ioctl (SOCKET sock, gint32 command, gchar *input, gint inputlen, gchar *output, gint outputlen, glong *written)
158 return WSAIoctl (sock, command, input, inputlen, output, outputlen, written, NULL, NULL);
162 mono_w32socket_close (SOCKET sock)
164 return CloseHandle (sock);
167 #endif /* HOST_WIN32 */
170 abort_syscall (gpointer data)
172 mono_thread_info_abort_socket_syscall_for_close ((MonoNativeThreadId) (gsize) data);
176 convert_family (MonoAddressFamily mono_family)
178 switch (mono_family) {
179 case AddressFamily_Unknown:
180 case AddressFamily_ImpLink:
181 case AddressFamily_Pup:
182 case AddressFamily_Chaos:
183 case AddressFamily_Iso:
184 case AddressFamily_Ecma:
185 case AddressFamily_DataKit:
186 case AddressFamily_Ccitt:
187 case AddressFamily_DataLink:
188 case AddressFamily_Lat:
189 case AddressFamily_HyperChannel:
190 case AddressFamily_NetBios:
191 case AddressFamily_VoiceView:
192 case AddressFamily_FireFox:
193 case AddressFamily_Banyan:
194 case AddressFamily_Atm:
195 case AddressFamily_Cluster:
196 case AddressFamily_Ieee12844:
197 case AddressFamily_NetworkDesigners:
198 g_warning ("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
200 case AddressFamily_Unspecified:
202 case AddressFamily_Unix:
204 case AddressFamily_InterNetwork:
206 case AddressFamily_AppleTalk:
212 case AddressFamily_InterNetworkV6:
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;
268 return AddressFamily_AppleTalk;
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 #ifdef SOCK_SEQPACKET
300 return SOCK_SEQPACKET;
304 case SocketType_Unknown:
305 g_warning ("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
308 g_warning ("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
314 convert_proto (MonoProtocolType mono_proto)
316 switch (mono_proto) {
317 case ProtocolType_IP:
318 case ProtocolType_IPv6:
319 case ProtocolType_Icmp:
320 case ProtocolType_Igmp:
321 case ProtocolType_Ggp:
322 case ProtocolType_Tcp:
323 case ProtocolType_Pup:
324 case ProtocolType_Udp:
325 case ProtocolType_Idp:
326 /* These protocols are known (on my system at least) */
328 case ProtocolType_ND:
329 case ProtocolType_Raw:
330 case ProtocolType_Ipx:
331 case ProtocolType_Spx:
332 case ProtocolType_SpxII:
333 case ProtocolType_Unknown:
334 /* These protocols arent */
335 g_warning ("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
342 /* Convert MonoSocketFlags */
344 convert_socketflags (gint32 sflags)
349 /* SocketFlags.None */
352 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
353 SocketFlags_DontRoute | SocketFlags_Partial))
354 /* Contains invalid flag values */
358 if (sflags & SocketFlags_OutOfBand)
361 if (sflags & SocketFlags_Peek)
363 if (sflags & SocketFlags_DontRoute)
364 flags |= MSG_DONTROUTE;
366 /* Ignore Partial - see bug 349688. Don't return -1, because
367 * according to the comment in that bug ms runtime doesn't for
368 * UDP sockets (this means we will silently ignore it for TCP
372 if (sflags & SocketFlags_Partial)
376 /* Don't do anything for MaxIOVectorLength */
377 if (sflags & SocketFlags_MaxIOVectorLength)
385 * 0 on success (mapped mono_level and mono_name to system_level and system_name
387 * -2 on non-fatal error (ie, must ignore)
390 convert_sockopt_level_and_name (MonoSocketOptionLevel mono_level, MonoSocketOptionName mono_name, int *system_level, int *system_name)
392 switch (mono_level) {
393 case SocketOptionLevel_Socket:
394 *system_level = SOL_SOCKET;
397 case SocketOptionName_DontLinger:
398 /* This is SO_LINGER, because the setsockopt
399 * internal call maps DontLinger to SO_LINGER
402 *system_name = SO_LINGER;
405 case SocketOptionName_Debug:
406 *system_name = SO_DEBUG;
410 case SocketOptionName_AcceptConnection:
411 *system_name = SO_ACCEPTCONN;
414 case SocketOptionName_ReuseAddress:
415 *system_name = SO_REUSEADDR;
417 case SocketOptionName_KeepAlive:
418 *system_name = SO_KEEPALIVE;
421 case SocketOptionName_DontRoute:
422 *system_name = SO_DONTROUTE;
425 case SocketOptionName_Broadcast:
426 *system_name = SO_BROADCAST;
428 case SocketOptionName_Linger:
429 *system_name = SO_LINGER;
432 case SocketOptionName_OutOfBandInline:
433 *system_name = SO_OOBINLINE;
436 case SocketOptionName_SendBuffer:
437 *system_name = SO_SNDBUF;
439 case SocketOptionName_ReceiveBuffer:
440 *system_name = SO_RCVBUF;
442 case SocketOptionName_SendLowWater:
443 *system_name = SO_SNDLOWAT;
445 case SocketOptionName_ReceiveLowWater:
446 *system_name = SO_RCVLOWAT;
448 case SocketOptionName_SendTimeout:
449 *system_name = SO_SNDTIMEO;
451 case SocketOptionName_ReceiveTimeout:
452 *system_name = SO_RCVTIMEO;
454 case SocketOptionName_Error:
455 *system_name = SO_ERROR;
457 case SocketOptionName_Type:
458 *system_name = SO_TYPE;
461 case SocketOptionName_PeerCred:
462 *system_name = SO_PEERCRED;
465 case SocketOptionName_ExclusiveAddressUse:
466 #ifdef SO_EXCLUSIVEADDRUSE
467 *system_name = SO_EXCLUSIVEADDRUSE;
470 case SocketOptionName_UseLoopback:
471 #ifdef SO_USELOOPBACK
472 *system_name = SO_USELOOPBACK;
475 case SocketOptionName_MaxConnections:
477 *system_name = SO_MAXCONN;
479 #elif defined(SOMAXCONN)
480 *system_name = SOMAXCONN;
484 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
489 case SocketOptionLevel_IP:
490 *system_level = mono_networking_get_ip_protocol ();
494 case SocketOptionName_IPOptions:
495 *system_name = IP_OPTIONS;
499 case SocketOptionName_HeaderIncluded:
500 *system_name = IP_HDRINCL;
504 case SocketOptionName_TypeOfService:
505 *system_name = IP_TOS;
509 case SocketOptionName_IpTimeToLive:
510 *system_name = IP_TTL;
513 case SocketOptionName_MulticastInterface:
514 *system_name = IP_MULTICAST_IF;
516 case SocketOptionName_MulticastTimeToLive:
517 *system_name = IP_MULTICAST_TTL;
519 case SocketOptionName_MulticastLoopback:
520 *system_name = IP_MULTICAST_LOOP;
522 case SocketOptionName_AddMembership:
523 *system_name = IP_ADD_MEMBERSHIP;
525 case SocketOptionName_DropMembership:
526 *system_name = IP_DROP_MEMBERSHIP;
528 #ifdef HAVE_IP_PKTINFO
529 case SocketOptionName_PacketInformation:
530 *system_name = IP_PKTINFO;
532 #endif /* HAVE_IP_PKTINFO */
534 case SocketOptionName_DontFragment:
535 #ifdef HAVE_IP_DONTFRAGMENT
536 *system_name = IP_DONTFRAGMENT;
538 #elif defined HAVE_IP_MTU_DISCOVER
539 /* Not quite the same */
540 *system_name = IP_MTU_DISCOVER;
543 /* If the flag is not available on this system, we can ignore this error */
545 #endif /* HAVE_IP_DONTFRAGMENT */
546 case SocketOptionName_AddSourceMembership:
547 case SocketOptionName_DropSourceMembership:
548 case SocketOptionName_BlockSource:
549 case SocketOptionName_UnblockSource:
550 /* Can't figure out how to map these, so fall
554 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
559 case SocketOptionLevel_IPv6:
560 *system_level = mono_networking_get_ipv6_protocol ();
563 case SocketOptionName_IpTimeToLive:
564 case SocketOptionName_HopLimit:
565 *system_name = IPV6_UNICAST_HOPS;
567 case SocketOptionName_MulticastInterface:
568 *system_name = IPV6_MULTICAST_IF;
570 case SocketOptionName_MulticastTimeToLive:
571 *system_name = IPV6_MULTICAST_HOPS;
573 case SocketOptionName_MulticastLoopback:
574 *system_name = IPV6_MULTICAST_LOOP;
576 case SocketOptionName_AddMembership:
577 *system_name = IPV6_JOIN_GROUP;
579 case SocketOptionName_DropMembership:
580 *system_name = IPV6_LEAVE_GROUP;
582 case SocketOptionName_IPv6Only:
584 *system_name = IPV6_V6ONLY;
589 case SocketOptionName_PacketInformation:
590 #ifdef HAVE_IPV6_PKTINFO
591 *system_name = IPV6_PKTINFO;
594 case SocketOptionName_HeaderIncluded:
595 case SocketOptionName_IPOptions:
596 case SocketOptionName_TypeOfService:
597 case SocketOptionName_DontFragment:
598 case SocketOptionName_AddSourceMembership:
599 case SocketOptionName_DropSourceMembership:
600 case SocketOptionName_BlockSource:
601 case SocketOptionName_UnblockSource:
602 /* Can't figure out how to map these, so fall
606 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
609 break; /* SocketOptionLevel_IPv6 */
611 case SocketOptionLevel_Tcp:
612 *system_level = mono_networking_get_tcp_protocol ();
615 case SocketOptionName_NoDelay:
616 *system_name = TCP_NODELAY;
619 /* The documentation is talking complete
620 * bollocks here: rfc-1222 is titled
621 * 'Advancing the NSFNET Routing Architecture'
622 * and doesn't mention either of the words
623 * "expedite" or "urgent".
625 case SocketOptionName_BsdUrgent:
626 case SocketOptionName_Expedited:
629 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
634 case SocketOptionLevel_Udp:
635 g_warning ("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
638 case SocketOptionName_NoChecksum:
639 case SocketOptionName_ChecksumCoverage:
641 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
648 g_warning ("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
656 get_socket_assembly (void)
658 MonoDomain *domain = mono_domain_get ();
660 if (domain->socket_assembly == NULL) {
661 MonoImage *socket_assembly;
663 socket_assembly = mono_image_loaded ("System");
664 if (!socket_assembly) {
665 MonoAssembly *sa = mono_assembly_open_predicate ("System.dll", FALSE, FALSE, NULL, NULL, NULL);
668 g_assert_not_reached ();
670 socket_assembly = mono_assembly_get_image (sa);
673 mono_atomic_store_release (&domain->socket_assembly, socket_assembly);
676 return domain->socket_assembly;
680 ves_icall_System_Net_Sockets_Socket_Socket_internal (MonoObject *this_obj, gint32 family, gint32 type, gint32 proto, gint32 *werror)
689 sock_family = convert_family ((MonoAddressFamily)family);
690 if (sock_family == -1) {
691 *werror = WSAEAFNOSUPPORT;
695 sock_proto = convert_proto ((MonoProtocolType)proto);
696 if (sock_proto == -1) {
697 *werror = WSAEPROTONOSUPPORT;
701 sock_type = convert_type ((MonoSocketType)type);
702 if (sock_type == -1) {
703 *werror = WSAESOCKTNOSUPPORT;
707 sock = mono_w32socket_socket (sock_family, sock_type, sock_proto);
709 if (sock == INVALID_SOCKET) {
710 *werror = mono_w32socket_get_last_error ();
714 return GUINT_TO_POINTER (sock);
717 /* FIXME: the SOCKET parameter (here and in other functions in this
718 * file) is really an IntPtr which needs to be converted to a guint32.
721 ves_icall_System_Net_Sockets_Socket_Close_internal (gsize sock, gint32 *werror)
723 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
727 /* Clear any pending work item from this socket if the underlying
728 * polling system does not notify when the socket is closed */
729 mono_threadpool_io_remove_socket (GPOINTER_TO_INT (sock));
732 mono_w32socket_close ((SOCKET) sock);
737 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal (void)
739 LOGDEBUG (g_message("%s: returning %d", __func__, mono_w32socket_get_last_error ()));
741 return mono_w32socket_get_last_error ();
745 ves_icall_System_Net_Sockets_Socket_Available_internal (gsize sock, gint32 *werror)
752 /* FIXME: this might require amount to be unsigned long. */
753 ret = mono_w32socket_get_available (sock, &amount);
754 if (ret == SOCKET_ERROR) {
755 *werror = mono_w32socket_get_last_error ();
763 ves_icall_System_Net_Sockets_Socket_Blocking_internal (gsize sock, gboolean block, gint32 *werror)
769 ret = mono_w32socket_set_blocking (sock, block);
770 if (ret == SOCKET_ERROR)
771 *werror = mono_w32socket_get_last_error ();
775 ves_icall_System_Net_Sockets_Socket_Accept_internal (gsize sock, gint32 *werror, gboolean blocking)
777 gboolean interrupted;
782 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
789 newsock = mono_w32socket_accept (sock, NULL, 0, blocking);
792 if (newsock == INVALID_SOCKET)
793 *werror = mono_w32socket_get_last_error ();
795 mono_thread_info_uninstall_interrupt (&interrupted);
802 return GUINT_TO_POINTER (newsock);
806 ves_icall_System_Net_Sockets_Socket_Listen_internal(gsize sock, guint32 backlog, gint32 *werror)
814 ret = mono_w32socket_listen (sock, backlog);
818 if (ret == SOCKET_ERROR)
819 *werror = mono_w32socket_get_last_error ();
822 // Check whether it's ::ffff::0:0.
824 is_ipv4_mapped_any (const struct in6_addr *addr)
828 for (i = 0; i < 10; i++) {
829 if (addr->s6_addr [i])
832 if ((addr->s6_addr [10] != 0xff) || (addr->s6_addr [11] != 0xff))
834 for (i = 12; i < 16; i++) {
835 if (addr->s6_addr [i])
842 create_object_from_sockaddr (struct sockaddr *saddr, int sa_size, gint32 *werror, MonoError *error)
844 MonoDomain *domain = mono_domain_get ();
845 MonoObject *sockaddr_obj;
847 MonoAddressFamily family;
851 /* Build a System.Net.SocketAddress object instance */
852 if (!domain->sockaddr_class)
853 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
854 sockaddr_obj = mono_object_new_checked (domain, domain->sockaddr_class, error);
855 return_val_if_nok (error, NULL);
857 /* Locate the SocketAddress data buffer in the object */
858 if (!domain->sockaddr_data_field) {
859 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
860 g_assert (domain->sockaddr_data_field);
863 /* Locate the SocketAddress data buffer length in the object */
864 if (!domain->sockaddr_data_length_field) {
865 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
866 g_assert (domain->sockaddr_data_length_field);
869 /* May be the +2 here is too conservative, as sa_len returns
870 * the length of the entire sockaddr_in/in6, including
871 * sizeof (unsigned short) of the family */
872 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
873 data = mono_array_new_cached (domain, mono_get_byte_class (), sa_size + 2, error);
874 return_val_if_nok (error, NULL);
876 /* The data buffer is laid out as follows:
877 * bytes 0 and 1 are the address family
878 * bytes 2 and 3 are the port info
879 * the rest is the address info
882 family = convert_to_mono_family (saddr->sa_family);
883 if (family == AddressFamily_Unknown) {
884 *werror = WSAEAFNOSUPPORT;
888 mono_array_set (data, guint8, 0, family & 0x0FF);
889 mono_array_set (data, guint8, 1, (family >> 8) & 0x0FF);
891 if (saddr->sa_family == AF_INET) {
892 struct sockaddr_in *sa_in = (struct sockaddr_in *)saddr;
893 guint16 port = ntohs (sa_in->sin_port);
894 guint32 address = ntohl (sa_in->sin_addr.s_addr);
897 if (sa_size < buffer_size) {
898 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
902 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
903 mono_array_set (data, guint8, 3, (port) & 0xff);
904 mono_array_set (data, guint8, 4, (address>>24) & 0xff);
905 mono_array_set (data, guint8, 5, (address>>16) & 0xff);
906 mono_array_set (data, guint8, 6, (address>>8) & 0xff);
907 mono_array_set (data, guint8, 7, (address) & 0xff);
909 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
910 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
913 } else if (saddr->sa_family == AF_INET6) {
914 struct sockaddr_in6 *sa_in = (struct sockaddr_in6 *)saddr;
916 int buffer_size = 28;
918 guint16 port = ntohs (sa_in->sin6_port);
920 if (sa_size < buffer_size) {
921 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
925 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
926 mono_array_set (data, guint8, 3, (port) & 0xff);
928 if (is_ipv4_mapped_any (&sa_in->sin6_addr)) {
929 // Map ::ffff:0:0 to :: (bug #5502)
930 for (i = 0; i < 16; i++)
931 mono_array_set (data, guint8, 8 + i, 0);
933 for (i = 0; i < 16; i++) {
934 mono_array_set (data, guint8, 8 + i,
935 sa_in->sin6_addr.s6_addr [i]);
939 mono_array_set (data, guint8, 24, sa_in->sin6_scope_id & 0xff);
940 mono_array_set (data, guint8, 25,
941 (sa_in->sin6_scope_id >> 8) & 0xff);
942 mono_array_set (data, guint8, 26,
943 (sa_in->sin6_scope_id >> 16) & 0xff);
944 mono_array_set (data, guint8, 27,
945 (sa_in->sin6_scope_id >> 24) & 0xff);
947 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
948 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
953 else if (saddr->sa_family == AF_UNIX) {
955 int buffer_size = sa_size + 2;
957 for (i = 0; i < sa_size; i++)
958 mono_array_set (data, guint8, i + 2, saddr->sa_data [i]);
960 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
961 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
967 *werror = WSAEAFNOSUPPORT;
973 get_sockaddr_size (int family)
978 if (family == AF_INET) {
979 size = sizeof (struct sockaddr_in);
980 } else if (family == AF_INET6) {
981 size = sizeof (struct sockaddr_in6);
984 else if (family == AF_UNIX) {
985 size = sizeof (struct sockaddr_un);
992 ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
1002 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1004 *werror = WSAEAFNOSUPPORT;
1007 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1011 ret = mono_w32socket_getsockname (sock, (struct sockaddr *)sa, &salen);
1015 if (ret == SOCKET_ERROR) {
1016 *werror = mono_w32socket_get_last_error ();
1022 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)));
1024 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1027 if (!mono_error_ok (&error))
1028 mono_error_set_pending_exception (&error);
1033 ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
1043 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1045 *werror = WSAEAFNOSUPPORT;
1048 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1049 /* Note: linux returns just 2 for AF_UNIX. Always. */
1053 ret = mono_w32socket_getpeername (sock, (struct sockaddr *)sa, &salen);
1057 if (ret == SOCKET_ERROR) {
1058 *werror = mono_w32socket_get_last_error ();
1064 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)));
1066 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1069 if (!mono_error_ok (&error))
1070 mono_error_set_pending_exception (&error);
1074 static struct sockaddr*
1075 create_sockaddr_from_object (MonoObject *saddr_obj, socklen_t *sa_size, gint32 *werror, MonoError *error)
1077 MonoDomain *domain = mono_domain_get ();
1084 if (!domain->sockaddr_class)
1085 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
1087 /* Locate the SocketAddress data buffer in the object */
1088 if (!domain->sockaddr_data_field) {
1089 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
1090 g_assert (domain->sockaddr_data_field);
1093 /* Locate the SocketAddress data buffer length in the object */
1094 if (!domain->sockaddr_data_length_field) {
1095 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
1096 g_assert (domain->sockaddr_data_length_field);
1099 data = *(MonoArray **)(((char *)saddr_obj) + domain->sockaddr_data_field->offset);
1101 /* The data buffer is laid out as follows:
1102 * byte 0 is the address family low byte
1103 * byte 1 is the address family high byte
1105 * bytes 2 and 3 are the port info
1106 * the rest is the address info
1108 * the rest is the file name
1110 len = *(int *)(((char *)saddr_obj) + domain->sockaddr_data_length_field->offset);
1111 g_assert (len >= 2);
1113 family = convert_family ((MonoAddressFamily)(mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8)));
1114 if (family == AF_INET) {
1115 struct sockaddr_in *sa;
1120 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1124 sa = g_new0 (struct sockaddr_in, 1);
1125 port = (mono_array_get (data, guint8, 2) << 8) +
1126 mono_array_get (data, guint8, 3);
1127 address = (mono_array_get (data, guint8, 4) << 24) +
1128 (mono_array_get (data, guint8, 5) << 16 ) +
1129 (mono_array_get (data, guint8, 6) << 8) +
1130 mono_array_get (data, guint8, 7);
1132 sa->sin_family = family;
1133 sa->sin_addr.s_addr = htonl (address);
1134 sa->sin_port = htons (port);
1136 *sa_size = sizeof (struct sockaddr_in);
1137 return (struct sockaddr *)sa;
1138 } else if (family == AF_INET6) {
1139 struct sockaddr_in6 *sa;
1145 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1149 sa = g_new0 (struct sockaddr_in6, 1);
1150 port = mono_array_get (data, guint8, 3) +
1151 (mono_array_get (data, guint8, 2) << 8);
1152 scopeid = mono_array_get (data, guint8, 24) +
1153 (mono_array_get (data, guint8, 25) << 8) +
1154 (mono_array_get (data, guint8, 26) << 16) +
1155 (mono_array_get (data, guint8, 27) << 24);
1157 sa->sin6_family = family;
1158 sa->sin6_port = htons (port);
1159 sa->sin6_scope_id = scopeid;
1161 for (i = 0; i < 16; i++)
1162 sa->sin6_addr.s6_addr [i] = mono_array_get (data, guint8, 8 + i);
1164 *sa_size = sizeof (struct sockaddr_in6);
1165 return (struct sockaddr *)sa;
1167 #ifdef HAVE_SYS_UN_H
1168 else if (family == AF_UNIX) {
1169 struct sockaddr_un *sock_un;
1172 /* Need a byte for the '\0' terminator/prefix, and the first
1173 * two bytes hold the SocketAddress family
1175 if (len - 2 >= sizeof (sock_un->sun_path)) {
1176 mono_error_set_exception_instance (error, mono_get_exception_index_out_of_range ());
1180 sock_un = g_new0 (struct sockaddr_un, 1);
1182 sock_un->sun_family = family;
1183 for (i = 0; i < len - 2; i++)
1184 sock_un->sun_path [i] = mono_array_get (data, guint8, i + 2);
1187 return (struct sockaddr *)sock_un;
1191 *werror = WSAEAFNOSUPPORT;
1197 ves_icall_System_Net_Sockets_Socket_Bind_internal (gsize sock, MonoObject *sockaddr, gint32 *werror)
1200 struct sockaddr *sa;
1206 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1209 if (!mono_error_ok (&error)) {
1210 mono_error_set_pending_exception (&error);
1214 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)));
1216 ret = mono_w32socket_bind (sock, sa, sa_size);
1218 if (ret == SOCKET_ERROR)
1219 *werror = mono_w32socket_get_last_error ();
1231 ves_icall_System_Net_Sockets_Socket_Poll_internal (gsize sock, gint mode,
1232 gint timeout, gint32 *werror)
1234 MonoInternalThread *thread = mono_thread_internal_current ();
1237 gboolean interrupted;
1242 pfds = g_new0 (mono_pollfd, 1);
1243 pfds->fd = GPOINTER_TO_INT (sock);
1246 case SelectModeRead:
1247 pfds->events = MONO_POLLIN;
1249 case SelectModeWrite:
1250 pfds->events = MONO_POLLOUT;
1253 pfds->events = MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL;
1257 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1258 start = time (NULL);
1261 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1270 ret = mono_poll (pfds, 1, timeout);
1274 mono_thread_info_uninstall_interrupt (&interrupted);
1281 if (timeout > 0 && ret < 0) {
1283 int sec = time (NULL) - start;
1285 timeout -= sec * 1000;
1293 if (ret == -1 && errno == EINTR) {
1294 if (mono_thread_test_state (thread, ThreadState_AbortRequested)) {
1299 /* Suspend requested? */
1300 mono_thread_interruption_checkpoint ();
1304 } while (ret == -1 && errno == EINTR);
1307 *werror = mono_w32socket_convert_error (errno);
1317 ves_icall_System_Net_Sockets_Socket_Connect_internal (gsize sock, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1320 struct sockaddr *sa;
1323 gboolean interrupted;
1327 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1330 if (!mono_error_ok (&error)) {
1331 mono_error_set_pending_exception (&error);
1335 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)));
1337 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1344 ret = mono_w32socket_connect (sock, sa, sa_size, blocking);
1347 if (ret == SOCKET_ERROR)
1348 *werror = mono_w32socket_get_last_error ();
1350 mono_thread_info_uninstall_interrupt (&interrupted);
1357 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
1360 ves_icall_System_Net_Sockets_Socket_Disconnect_internal (gsize sock, MonoBoolean reuse, gint32 *werror)
1362 gboolean interrupted;
1364 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1366 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1373 *werror = mono_w32socket_disconnect (sock, reuse);
1376 mono_thread_info_uninstall_interrupt (&interrupted);
1380 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
1383 ves_icall_System_Net_Sockets_Socket_Receive_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1389 gboolean interrupted;
1390 MonoInternalThread* curthread G_GNUC_UNUSED = mono_thread_internal_current ();
1394 alen = mono_array_length (buffer);
1395 if (offset > alen - count)
1398 buf = mono_array_addr (buffer, gchar, offset);
1400 recvflags = convert_socketflags (flags);
1401 if (recvflags == -1) {
1402 *werror = WSAEOPNOTSUPP;
1406 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1411 ret = mono_w32socket_recv (sock, buf, count, recvflags, blocking);
1414 if (ret == SOCKET_ERROR)
1415 *werror = mono_w32socket_get_last_error ();
1417 mono_thread_info_uninstall_interrupt (&interrupted);
1428 ves_icall_System_Net_Sockets_Socket_Receive_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1431 gboolean interrupted;
1434 guint32 recvflags = 0;
1438 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1439 count = mono_array_length (buffers);
1441 recvflags = convert_socketflags (flags);
1442 if (recvflags == -1) {
1443 *werror = WSAEOPNOTSUPP;
1447 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1454 ret = mono_w32socket_recvbuffers (sock, wsabufs, count, &recv, &recvflags, NULL, NULL, blocking);
1457 if (ret == SOCKET_ERROR)
1458 *werror = mono_w32socket_get_last_error ();
1460 mono_thread_info_uninstall_interrupt (&interrupted);
1471 ves_icall_System_Net_Sockets_Socket_ReceiveFrom_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *werror, gboolean blocking)
1478 struct sockaddr *sa;
1480 gboolean interrupted;
1484 alen = mono_array_length (buffer);
1485 if (offset > alen - count)
1488 sa = create_sockaddr_from_object (*sockaddr, &sa_size, werror, &error);
1491 if (!mono_error_ok (&error)) {
1492 mono_error_set_pending_exception (&error);
1496 buf = mono_array_addr (buffer, gchar, offset);
1498 recvflags = convert_socketflags (flags);
1499 if (recvflags == -1) {
1500 *werror = WSAEOPNOTSUPP;
1504 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1512 ret = mono_w32socket_recvfrom (sock, buf, count, recvflags, sa, &sa_size, blocking);
1515 if (ret == SOCKET_ERROR)
1516 *werror = mono_w32socket_get_last_error ();
1518 mono_thread_info_uninstall_interrupt (&interrupted);
1528 /* If we didn't get a socket size, then we're probably a
1529 * connected connection-oriented socket and the stack hasn't
1530 * returned the remote address. All we can do is return null.
1533 *sockaddr = create_object_from_sockaddr (sa, sa_size, werror, &error);
1534 if (!mono_error_ok (&error)) {
1535 mono_error_set_pending_exception (&error);
1549 ves_icall_System_Net_Sockets_Socket_Send_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1555 gboolean interrupted;
1559 alen = mono_array_length (buffer);
1560 if (offset > alen - count)
1563 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1565 buf = mono_array_addr (buffer, gchar, offset);
1567 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1569 sendflags = convert_socketflags (flags);
1570 if (sendflags == -1) {
1571 *werror = WSAEOPNOTSUPP;
1575 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1582 ret = mono_w32socket_send (sock, buf, count, sendflags, blocking);
1585 if (ret == SOCKET_ERROR)
1586 *werror = mono_w32socket_get_last_error ();
1588 mono_thread_info_uninstall_interrupt (&interrupted);
1599 ves_icall_System_Net_Sockets_Socket_Send_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1604 guint32 sendflags = 0;
1605 gboolean interrupted;
1609 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1610 count = mono_array_length (buffers);
1612 sendflags = convert_socketflags (flags);
1613 if (sendflags == -1) {
1614 *werror = WSAEOPNOTSUPP;
1618 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1625 ret = mono_w32socket_sendbuffers (sock, wsabufs, count, &sent, sendflags, NULL, NULL, blocking);
1628 if (ret == SOCKET_ERROR)
1629 *werror = mono_w32socket_get_last_error ();
1631 mono_thread_info_uninstall_interrupt (&interrupted);
1642 ves_icall_System_Net_Sockets_Socket_SendTo_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1649 struct sockaddr *sa;
1651 gboolean interrupted;
1655 alen = mono_array_length (buffer);
1656 if (offset > alen - count) {
1660 sa = create_sockaddr_from_object(sockaddr, &sa_size, werror, &error);
1663 if (!mono_error_ok (&error)) {
1664 mono_error_set_pending_exception (&error);
1668 LOGDEBUG (g_message ("%s: alen: %d", __func__, alen));
1670 buf = mono_array_addr (buffer, gchar, offset);
1672 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1674 sendflags = convert_socketflags (flags);
1675 if (sendflags == -1) {
1677 *werror = WSAEOPNOTSUPP;
1681 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1689 ret = mono_w32socket_sendto (sock, buf, count, sendflags, sa, sa_size, blocking);
1692 if (ret == SOCKET_ERROR)
1693 *werror = mono_w32socket_get_last_error ();
1695 mono_thread_info_uninstall_interrupt (&interrupted);
1708 Socket_to_SOCKET (MonoObject *sockobj)
1710 MonoSafeHandle *safe_handle;
1711 MonoClassField *field;
1713 field = mono_class_get_field_from_name (sockobj->vtable->klass, "m_Handle");
1714 safe_handle = ((MonoSafeHandle *)(*(gpointer *)(((char *)sockobj) + field->offset)));
1716 if (safe_handle == NULL)
1719 return (SOCKET)safe_handle->handle;
1722 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1725 ves_icall_System_Net_Sockets_Socket_Select_internal (MonoArray **sockets, gint32 timeout, gint32 *werror)
1728 MonoInternalThread *thread = mono_thread_internal_current ();
1735 MonoClass *sock_arr_class;
1738 uintptr_t socks_size;
1739 gboolean interrupted;
1743 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1744 count = mono_array_length (*sockets);
1745 nfds = count - 3; /* NULL separators */
1746 pfds = g_new0 (mono_pollfd, nfds);
1748 for (i = 0; i < count; i++) {
1749 obj = mono_array_get (*sockets, MonoObject *, i);
1756 /* The socket array was bogus */
1758 *werror = WSAEFAULT;
1762 pfds [idx].fd = Socket_to_SOCKET (obj);
1763 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1767 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1768 start = time (NULL);
1770 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1779 ret = mono_poll (pfds, nfds, timeout);
1783 mono_thread_info_uninstall_interrupt (&interrupted);
1790 if (timeout > 0 && ret < 0) {
1792 int sec = time (NULL) - start;
1794 timeout -= sec * 1000;
1800 if (ret == -1 && errno == EINTR) {
1801 if (mono_thread_test_state (thread, ThreadState_AbortRequested)) {
1807 /* Suspend requested? */
1808 mono_thread_interruption_checkpoint ();
1812 } while (ret == -1 && errno == EINTR);
1815 *werror = mono_w32socket_convert_error (errno);
1826 sock_arr_class = ((MonoObject *)*sockets)->vtable->klass;
1827 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1828 socks = mono_array_new_full_checked (mono_domain_get (), sock_arr_class, &socks_size, NULL, &error);
1829 if (!mono_error_ok (&error)) {
1830 mono_error_set_pending_exception (&error);
1836 for (i = 0; i < count && ret > 0; i++) {
1839 obj = mono_array_get (*sockets, MonoObject *, i);
1846 pfd = &pfds [i - mode];
1847 if (pfd->revents == 0)
1851 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1852 mono_array_setref (socks, idx++, obj);
1853 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1854 mono_array_setref (socks, idx++, obj);
1855 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1856 mono_array_setref (socks, idx++, obj);
1865 int_to_object (MonoDomain *domain, int val, MonoError *error)
1867 return mono_value_box_checked (domain, mono_get_int32_class (), &val, error);
1871 ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal (gsize sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *werror)
1873 int system_level = 0;
1874 int system_name = 0;
1877 socklen_t valsize = sizeof (val);
1878 struct linger linger;
1879 socklen_t lingersize = sizeof (linger);
1881 socklen_t time_ms_size = sizeof (time_ms);
1883 # if defined(__OpenBSD__)
1884 struct sockpeercred cred;
1888 socklen_t credsize = sizeof (cred);
1891 MonoDomain *domain = mono_domain_get ();
1893 MonoClass *obj_class;
1894 MonoClassField *field;
1898 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1899 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1900 system_level = SOL_SOCKET;
1901 system_name = SO_REUSEADDR;
1906 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level, &system_name);
1910 *werror = WSAENOPROTOOPT;
1914 *obj_val = int_to_object (domain, 0, &error);
1915 mono_error_set_pending_exception (&error);
1921 /* No need to deal with MulticastOption names here, because
1922 * you cant getsockopt AddMembership or DropMembership (the
1923 * int getsockopt will error, causing an exception)
1926 case SocketOptionName_Linger:
1927 case SocketOptionName_DontLinger:
1928 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &linger, &lingersize);
1931 case SocketOptionName_SendTimeout:
1932 case SocketOptionName_ReceiveTimeout:
1933 ret = mono_w32socket_getsockopt (sock, system_level, system_name, (char *)&time_ms, &time_ms_size);
1937 case SocketOptionName_PeerCred:
1938 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &cred, &credsize);
1943 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &val, &valsize);
1948 if (ret == SOCKET_ERROR) {
1949 *werror = mono_w32socket_get_last_error ();
1954 case SocketOptionName_Linger:
1955 /* build a System.Net.Sockets.LingerOption */
1956 obj_class = mono_class_load_from_name (get_socket_assembly (),
1957 "System.Net.Sockets",
1959 obj = mono_object_new_checked (domain, obj_class, &error);
1960 if (!mono_error_ok (&error)) {
1961 mono_error_set_pending_exception (&error);
1965 /* Locate and set the fields "bool enabled" and "int
1968 field = mono_class_get_field_from_name(obj_class, "enabled");
1969 *(guint8 *)(((char *)obj)+field->offset) = linger.l_onoff;
1971 field = mono_class_get_field_from_name(obj_class, "lingerTime");
1972 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1974 case SocketOptionName_DontLinger:
1975 /* construct a bool int in val - true if linger is off */
1976 obj = int_to_object (domain, !linger.l_onoff, &error);
1977 mono_error_set_pending_exception (&error);
1979 case SocketOptionName_SendTimeout:
1980 case SocketOptionName_ReceiveTimeout:
1981 obj = int_to_object (domain, time_ms, &error);
1982 mono_error_set_pending_exception (&error);
1986 case SocketOptionName_PeerCred: {
1988 * build a Mono.Posix.PeerCred+PeerCredData if
1991 static MonoImage *mono_posix_image = NULL;
1992 MonoPeerCredData *cred_data;
1994 if (mono_posix_image == NULL) {
1995 mono_posix_image = mono_image_loaded ("Mono.Posix");
1996 if (!mono_posix_image) {
1997 MonoAssembly *sa = mono_assembly_open_predicate ("Mono.Posix.dll", FALSE, FALSE, NULL, NULL, NULL);
1999 *werror = WSAENOPROTOOPT;
2002 mono_posix_image = mono_assembly_get_image (sa);
2007 obj_class = mono_class_load_from_name (mono_posix_image,
2010 obj = mono_object_new_checked (domain, obj_class, &error);
2011 if (!mono_error_ok (&error)) {
2012 mono_error_set_pending_exception (&error);
2015 cred_data = (MonoPeerCredData *)obj;
2016 cred_data->pid = cred.pid;
2017 cred_data->uid = cred.uid;
2018 cred_data->gid = cred.gid;
2024 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2025 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
2028 obj = int_to_object (domain, val, &error);
2029 mono_error_set_pending_exception (&error);
2036 ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal (gsize sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *werror)
2038 int system_level = 0;
2039 int system_name = 0;
2046 ret = convert_sockopt_level_and_name((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2049 *werror = WSAENOPROTOOPT;
2055 valsize = mono_array_length (*byte_val);
2056 buf = mono_array_addr (*byte_val, guchar, 0);
2060 ret = mono_w32socket_getsockopt (sock, system_level, system_name, buf, &valsize);
2064 if (ret == SOCKET_ERROR)
2065 *werror = mono_w32socket_get_last_error ();
2068 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2069 static struct in_addr
2070 ipaddress_to_struct_in_addr (MonoObject *ipaddr)
2072 struct in_addr inaddr;
2073 MonoClassField *field;
2075 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Address");
2077 /* No idea why .net uses a 64bit type to hold a 32bit value...
2079 * Internal value of IPAddess is in little-endian order
2081 inaddr.s_addr = GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr) + field->offset));
2086 static struct in6_addr
2087 ipaddress_to_struct_in6_addr (MonoObject *ipaddr)
2089 struct in6_addr in6addr;
2090 MonoClassField *field;
2094 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Numbers");
2096 data = *(MonoArray **)(((char *)ipaddr) + field->offset);
2098 for (i = 0; i < 8; i++) {
2099 const guint16 s = GUINT16_TO_BE (mono_array_get (data, guint16, i));
2101 /* Solaris/MacOS have only the 8 bit version. */
2103 in6addr.s6_addr[2 * i + 1] = (s >> 8) & 0xff;
2104 in6addr.s6_addr[2 * i] = s & 0xff;
2106 in6addr.s6_addr16[i] = s;
2113 #if defined(__APPLE__) || defined(__FreeBSD__)
2116 get_local_interface_id (int family)
2118 #if !defined(HAVE_GETIFADDRS) || !defined(HAVE_IF_NAMETOINDEX)
2121 struct ifaddrs *ifap = NULL, *ptr;
2124 if (getifaddrs (&ifap))
2127 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2128 if (!ptr->ifa_addr || !ptr->ifa_name)
2130 if (ptr->ifa_addr->sa_family != family)
2132 if ((ptr->ifa_flags & IFF_LOOPBACK) != 0)
2134 if ((ptr->ifa_flags & IFF_MULTICAST) == 0)
2137 idx = if_nametoindex (ptr->ifa_name);
2146 #endif /* defined(__APPLE__) || defined(__FreeBSD__) */
2149 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)
2151 struct linger linger;
2152 int system_level = 0;
2153 int system_name = 0;
2160 sol_ipv6 = mono_networking_get_ipv6_protocol ();
2161 sol_ip = mono_networking_get_ip_protocol ();
2163 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2166 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2167 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2168 system_name = SO_REUSEADDR;
2169 int_val = int_val ? 0 : 1;
2175 *werror = WSAENOPROTOOPT;
2181 /* Only one of obj_val, byte_val or int_val has data */
2183 MonoClassField *field;
2187 case SocketOptionName_Linger:
2188 /* Dig out "bool enabled" and "int lingerTime"
2191 field = mono_class_get_field_from_name (obj_val->vtable->klass, "enabled");
2192 linger.l_onoff = *(guint8 *)(((char *)obj_val) + field->offset);
2193 field = mono_class_get_field_from_name (obj_val->vtable->klass, "lingerTime");
2194 linger.l_linger = *(guint32 *)(((char *)obj_val) + field->offset);
2196 valsize = sizeof (linger);
2197 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, valsize);
2199 case SocketOptionName_AddMembership:
2200 case SocketOptionName_DropMembership:
2201 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2203 MonoObject *address = NULL;
2205 if (system_level == sol_ipv6) {
2206 struct ipv6_mreq mreq6;
2211 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Group");
2213 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2216 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2218 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Interface");
2219 mreq6.ipv6mr_interface = *(guint64 *)(((char *)obj_val) + field->offset);
2221 #if defined(__APPLE__) || defined(__FreeBSD__)
2225 * Mac OS Lion doesn't allow ipv6mr_interface = 0.
2227 * Tests on Windows and Linux show that the multicast group is only
2228 * joined on one NIC when interface = 0, so we simply use the interface
2229 * id from the first non-loopback interface (this is also what
2230 * Dns.GetHostName (string.Empty) would return).
2232 if (!mreq6.ipv6mr_interface)
2233 mreq6.ipv6mr_interface = get_local_interface_id (AF_INET6);
2236 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq6, sizeof (mreq6));
2237 } else if (system_level == sol_ip) {
2238 #ifdef HAVE_STRUCT_IP_MREQN
2239 struct ip_mreqn mreq = {{0}};
2241 struct ip_mreq mreq = {{0}};
2242 #endif /* HAVE_STRUCT_IP_MREQN */
2245 * pain! MulticastOption holds two IPAddress
2246 * members, so I have to dig the value out of
2249 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2250 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2252 /* address might not be defined and if so, set the address to ADDR_ANY.
2255 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2257 field = mono_class_get_field_from_name (obj_val->vtable->klass, "localAddress");
2258 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2260 #ifdef HAVE_STRUCT_IP_MREQN
2262 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2264 field = mono_class_get_field_from_name (obj_val->vtable->klass, "ifIndex");
2265 mreq.imr_ifindex = *(gint32 *)(((char *)obj_val) + field->offset);
2268 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2269 #endif /* HAVE_STRUCT_IP_MREQN */
2271 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq, sizeof (mreq));
2275 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2277 /* Cause an exception to be thrown */
2278 *werror = WSAEINVAL;
2281 } else if (byte_val!=NULL) {
2282 int valsize = mono_array_length (byte_val);
2283 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2286 case SocketOptionName_DontLinger:
2288 linger.l_onoff = (*buf) ? 0 : 1;
2289 linger.l_linger = 0;
2290 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2292 *werror = WSAEINVAL;
2296 ret = mono_w32socket_setsockopt (sock, system_level, system_name, buf, valsize);
2300 /* ReceiveTimeout/SendTimeout get here */
2302 case SocketOptionName_DontLinger:
2303 linger.l_onoff = !int_val;
2304 linger.l_linger = 0;
2305 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2307 case SocketOptionName_MulticastInterface:
2309 #ifdef HAVE_STRUCT_IP_MREQN
2310 int_val = GUINT32_FROM_BE (int_val);
2311 if ((int_val & 0xff000000) == 0) {
2312 /* int_val is interface index */
2313 struct ip_mreqn mreq = {{0}};
2314 mreq.imr_ifindex = int_val;
2315 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &mreq, sizeof (mreq));
2318 int_val = GUINT32_TO_BE (int_val);
2319 #endif /* HAVE_STRUCT_IP_MREQN */
2320 #endif /* HOST_WIN32 */
2321 /* int_val is in_addr */
2322 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2324 case SocketOptionName_DontFragment:
2325 #ifdef HAVE_IP_MTU_DISCOVER
2326 /* Fiddle with the value slightly if we're
2330 int_val = IP_PMTUDISC_DO;
2335 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2339 if (ret == SOCKET_ERROR)
2340 *werror = mono_w32socket_get_last_error ();
2344 ves_icall_System_Net_Sockets_Socket_Shutdown_internal (gsize sock, gint32 how, gint32 *werror)
2347 gboolean interrupted;
2351 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2359 /* Currently, the values for how (recv=0, send=1, both=2) match the BSD API */
2360 ret = mono_w32socket_shutdown (sock, how);
2364 if (ret == SOCKET_ERROR)
2365 *werror = mono_w32socket_get_last_error ();
2367 mono_thread_info_uninstall_interrupt (&interrupted);
2375 ves_icall_System_Net_Sockets_Socket_IOControl_internal (gsize sock, gint32 code, MonoArray *input, MonoArray *output, gint32 *werror)
2377 glong output_bytes = 0;
2378 gchar *i_buffer, *o_buffer;
2384 if ((guint32)code == FIONBIO)
2385 /* Invalid command. Must use Socket.Blocking */
2388 if (input == NULL) {
2392 i_buffer = mono_array_addr (input, gchar, 0);
2393 i_len = mono_array_length (input);
2396 if (output == NULL) {
2400 o_buffer = mono_array_addr (output, gchar, 0);
2401 o_len = mono_array_length (output);
2406 ret = mono_w32socket_ioctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes);
2410 if (ret == SOCKET_ERROR) {
2411 *werror = mono_w32socket_get_last_error ();
2415 return (gint)output_bytes;
2419 addrinfo_to_IPHostEntry (MonoAddressInfo *info, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips, MonoError *error)
2422 MonoAddressEntry *ai = NULL;
2423 struct in_addr *local_in = NULL;
2425 struct in6_addr *local_in6 = NULL;
2428 MonoDomain *domain = mono_domain_get ();
2432 *h_aliases = mono_array_new_checked (domain, mono_get_string_class (), 0, error);
2433 return_val_if_nok (error, FALSE);
2434 if (add_local_ips) {
2435 local_in = (struct in_addr *) mono_get_local_interfaces (AF_INET, &nlocal_in);
2436 local_in6 = (struct in6_addr *) mono_get_local_interfaces (AF_INET6, &nlocal_in6);
2437 if (nlocal_in || nlocal_in6) {
2438 char addr [INET6_ADDRSTRLEN];
2439 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), nlocal_in + nlocal_in6, error);
2444 MonoString *addr_string;
2447 for (i = 0; i < nlocal_in; i++) {
2449 mono_address_init (&maddr, AF_INET, &local_in [i]);
2450 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2451 addr_string = mono_string_new (domain, addr);
2452 mono_array_setref (*h_addr_list, addr_index, addr_string);
2459 MonoString *addr_string;
2462 for (i = 0; i < nlocal_in6; i++) {
2464 mono_address_init (&maddr, AF_INET6, &local_in6 [i]);
2465 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2466 addr_string = mono_string_new (domain, addr);
2467 mono_array_setref (*h_addr_list, addr_index, addr_string);
2477 mono_free_address_info (info);
2478 return is_ok (error);;
2485 for (count = 0, ai = info->entries; ai != NULL; ai = ai->next) {
2486 if (ai->family != AF_INET && ai->family != AF_INET6)
2491 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), count, error);
2495 for (ai = info->entries, i = 0; ai != NULL; ai = ai->next) {
2497 MonoString *addr_string;
2498 char buffer [INET6_ADDRSTRLEN]; /* Max. size for IPv6 */
2500 if ((ai->family != PF_INET) && (ai->family != PF_INET6))
2503 mono_address_init (&maddr, ai->family, &ai->address);
2504 if (mono_networking_addr_to_str (&maddr, buffer, sizeof (buffer)))
2505 addr_string = mono_string_new (domain, buffer);
2507 addr_string = mono_string_new (domain, "");
2509 mono_array_setref (*h_addr_list, addr_index, addr_string);
2513 if (ai->canonical_name != NULL) {
2514 *h_name = mono_string_new (domain, ai->canonical_name);
2516 *h_name = mono_string_new (domain, buffer);
2525 mono_free_address_info (info);
2527 return is_ok (error);
2531 ves_icall_System_Net_Dns_GetHostByName_internal (MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2534 gboolean add_local_ips = FALSE, add_info_ok = TRUE;
2535 gchar this_hostname [256];
2536 MonoAddressInfo *info = NULL;
2538 char *hostname = mono_string_to_utf8_checked (host, &error);
2539 if (mono_error_set_pending_exception (&error))
2542 if (*hostname == '\0') {
2543 add_local_ips = TRUE;
2547 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2548 if (!strcmp (hostname, this_hostname)) {
2549 add_local_ips = TRUE;
2555 // Win32 APIs already returns local interface addresses for empty hostname ("")
2556 // so we never want to add them manually.
2557 add_local_ips = FALSE;
2558 if (mono_get_address_info(hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2559 add_info_ok = FALSE;
2561 if (*hostname && mono_get_address_info (hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2562 add_info_ok = FALSE;
2568 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, add_local_ips, &error);
2569 mono_error_set_pending_exception (&error);
2576 ves_icall_System_Net_Dns_GetHostByAddr_internal (MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2579 struct sockaddr_in saddr;
2580 struct sockaddr_in6 saddr6;
2581 MonoAddressInfo *info = NULL;
2584 gchar hostname [NI_MAXHOST] = { 0 };
2587 address = mono_string_to_utf8_checked (addr, &error);
2588 if (mono_error_set_pending_exception (&error))
2591 if (inet_pton (AF_INET, address, &saddr.sin_addr ) == 1) {
2593 saddr.sin_family = AF_INET;
2594 } else if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) == 1) {
2596 saddr6.sin6_family = AF_INET6;
2608 #if HAVE_SOCKADDR_IN_SIN_LEN
2609 saddr.sin_len = sizeof (saddr);
2611 ret = getnameinfo ((struct sockaddr*)&saddr, sizeof (saddr), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2615 #if HAVE_SOCKADDR_IN6_SIN_LEN
2616 saddr6.sin6_len = sizeof (saddr6);
2618 ret = getnameinfo ((struct sockaddr*)&saddr6, sizeof (saddr6), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2622 g_assert_not_reached ();
2630 if (mono_get_address_info (hostname, 0, hint | MONO_HINT_CANONICAL_NAME | MONO_HINT_CONFIGURED_ONLY, &info) != 0)
2633 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE, &error);
2634 mono_error_set_pending_exception (&error);
2639 ves_icall_System_Net_Dns_GetHostName_internal (MonoString **h_name)
2641 gchar hostname [NI_MAXHOST] = { 0 };
2644 ret = gethostname (hostname, sizeof (hostname));
2648 *h_name = mono_string_new (mono_domain_get (), hostname);
2653 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
2655 ves_icall_System_Net_Sockets_Socket_SendFile_internal (gsize sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags, gint32 *werror, gboolean blocking)
2659 gboolean interrupted;
2660 TRANSMIT_FILE_BUFFERS buffers;
2664 if (filename == NULL)
2667 /* FIXME: replace file by a proper fd that we can call open and close on, as they are interruptible */
2669 file = mono_w32file_create (mono_string_chars (filename), GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, 0);
2670 if (file == INVALID_HANDLE_VALUE) {
2671 *werror = mono_w32error_get_last ();
2675 memset (&buffers, 0, sizeof (buffers));
2676 if (pre_buffer != NULL) {
2677 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
2678 buffers.HeadLength = mono_array_length (pre_buffer);
2680 if (post_buffer != NULL) {
2681 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
2682 buffers.TailLength = mono_array_length (post_buffer);
2685 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2687 mono_w32file_close (file);
2688 mono_w32error_set_last (WSAEINTR);
2693 ret = mono_w32socket_transmit_file (sock, file, &buffers, flags, blocking);
2697 *werror = mono_w32socket_get_last_error ();
2699 mono_thread_info_uninstall_interrupt (&interrupted);
2701 mono_w32file_close (file);
2706 mono_w32file_close (file);
2713 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
2716 mono_network_init (void)
2718 mono_networking_init ();
2719 mono_w32socket_initialize ();
2723 mono_network_cleanup (void)
2725 mono_w32socket_cleanup ();
2726 mono_networking_shutdown ();
2730 icall_cancel_blocking_socket_operation (MonoThread *thread)
2732 MonoInternalThread *internal;
2734 internal = thread->internal_thread;
2735 g_assert (internal);
2737 mono_thread_info_abort_socket_syscall_for_close (MONO_UINT_TO_NATIVE_THREAD_ID (internal->tid));
2740 #endif /* #ifndef DISABLE_SOCKETS */