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__) */
106 addrinfo_to_IPHostEntry_handles (MonoAddressInfo *info, MonoStringHandleOut h_name, MonoArrayHandleOut h_aliases, MonoArrayHandleOut h_addr_list, gboolean add_local_ips, MonoError *error);
111 mono_w32socket_socket (int domain, int type, int protocol)
113 return WSASocket (domain, type, protocol, NULL, 0, WSA_FLAG_OVERLAPPED);
117 mono_w32socket_bind (SOCKET sock, struct sockaddr *addr, socklen_t addrlen)
119 return bind (sock, addr, addrlen);
123 mono_w32socket_getpeername (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
125 return getpeername (sock, name, namelen);
129 mono_w32socket_getsockname (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
131 return getsockname (sock, name, namelen);
135 mono_w32socket_getsockopt (SOCKET sock, gint level, gint optname, gpointer optval, socklen_t *optlen)
137 return getsockopt (sock, level, optname, optval, optlen);
141 mono_w32socket_setsockopt (SOCKET sock, gint level, gint optname, const gpointer optval, socklen_t optlen)
143 return setsockopt (sock, level, optname, optval, optlen);
147 mono_w32socket_listen (SOCKET sock, gint backlog)
149 return listen (sock, backlog);
153 mono_w32socket_shutdown (SOCKET sock, gint how)
155 return shutdown (sock, how);
159 mono_w32socket_ioctl (SOCKET sock, gint32 command, gchar *input, gint inputlen, gchar *output, gint outputlen, glong *written)
161 return WSAIoctl (sock, command, input, inputlen, output, outputlen, written, NULL, NULL);
165 mono_w32socket_close (SOCKET sock)
167 return CloseHandle (sock);
170 #endif /* HOST_WIN32 */
173 abort_syscall (gpointer data)
175 mono_thread_info_abort_socket_syscall_for_close ((MonoNativeThreadId) (gsize) data);
179 convert_family (MonoAddressFamily mono_family)
181 switch (mono_family) {
182 case AddressFamily_Unknown:
183 case AddressFamily_ImpLink:
184 case AddressFamily_Pup:
185 case AddressFamily_Chaos:
186 case AddressFamily_Iso:
187 case AddressFamily_Ecma:
188 case AddressFamily_DataKit:
189 case AddressFamily_Ccitt:
190 case AddressFamily_DataLink:
191 case AddressFamily_Lat:
192 case AddressFamily_HyperChannel:
193 case AddressFamily_NetBios:
194 case AddressFamily_VoiceView:
195 case AddressFamily_FireFox:
196 case AddressFamily_Banyan:
197 case AddressFamily_Atm:
198 case AddressFamily_Cluster:
199 case AddressFamily_Ieee12844:
200 case AddressFamily_NetworkDesigners:
201 g_warning ("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
203 case AddressFamily_Unspecified:
205 case AddressFamily_Unix:
207 case AddressFamily_InterNetwork:
209 case AddressFamily_AppleTalk:
215 case AddressFamily_InterNetworkV6:
216 #ifdef HAVE_STRUCT_SOCKADDR_IN6
221 case AddressFamily_DecNet:
227 case AddressFamily_Ipx:
233 case AddressFamily_Sna:
239 case AddressFamily_Irda:
246 g_warning ("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
251 static MonoAddressFamily
252 convert_to_mono_family (guint16 af_family)
256 return AddressFamily_Unspecified;
258 return AddressFamily_Unix;
260 return AddressFamily_InterNetwork;
263 return AddressFamily_Ipx;
267 return AddressFamily_Sna;
271 return AddressFamily_DecNet;
275 return AddressFamily_AppleTalk;
277 #ifdef HAVE_STRUCT_SOCKADDR_IN6
279 return AddressFamily_InterNetworkV6;
283 return AddressFamily_Irda;
286 g_warning ("unknown address family 0x%x", af_family);
287 return AddressFamily_Unknown;
292 convert_type (MonoSocketType mono_type)
295 case SocketType_Stream:
297 case SocketType_Dgram:
307 case SocketType_Seqpacket:
308 #ifdef SOCK_SEQPACKET
309 return SOCK_SEQPACKET;
313 case SocketType_Unknown:
314 g_warning ("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
317 g_warning ("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
323 convert_proto (MonoProtocolType mono_proto)
325 switch (mono_proto) {
326 case ProtocolType_IP:
327 case ProtocolType_IPv6:
328 case ProtocolType_Icmp:
329 case ProtocolType_Igmp:
330 case ProtocolType_Ggp:
331 case ProtocolType_Tcp:
332 case ProtocolType_Pup:
333 case ProtocolType_Udp:
334 case ProtocolType_Idp:
335 /* These protocols are known (on my system at least) */
337 case ProtocolType_ND:
338 case ProtocolType_Raw:
339 case ProtocolType_Ipx:
340 case ProtocolType_Spx:
341 case ProtocolType_SpxII:
342 case ProtocolType_Unknown:
343 /* These protocols arent */
344 g_warning ("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
351 /* Convert MonoSocketFlags */
353 convert_socketflags (gint32 sflags)
358 /* SocketFlags.None */
361 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
362 SocketFlags_DontRoute | SocketFlags_Partial))
363 /* Contains invalid flag values */
367 if (sflags & SocketFlags_OutOfBand)
370 if (sflags & SocketFlags_Peek)
372 if (sflags & SocketFlags_DontRoute)
373 flags |= MSG_DONTROUTE;
375 /* Ignore Partial - see bug 349688. Don't return -1, because
376 * according to the comment in that bug ms runtime doesn't for
377 * UDP sockets (this means we will silently ignore it for TCP
381 if (sflags & SocketFlags_Partial)
385 /* Don't do anything for MaxIOVectorLength */
386 if (sflags & SocketFlags_MaxIOVectorLength)
394 * 0 on success (mapped mono_level and mono_name to system_level and system_name
396 * -2 on non-fatal error (ie, must ignore)
399 convert_sockopt_level_and_name (MonoSocketOptionLevel mono_level, MonoSocketOptionName mono_name, int *system_level, int *system_name)
401 switch (mono_level) {
402 case SocketOptionLevel_Socket:
403 *system_level = SOL_SOCKET;
406 case SocketOptionName_DontLinger:
407 /* This is SO_LINGER, because the setsockopt
408 * internal call maps DontLinger to SO_LINGER
411 *system_name = SO_LINGER;
414 case SocketOptionName_Debug:
415 *system_name = SO_DEBUG;
419 case SocketOptionName_AcceptConnection:
420 *system_name = SO_ACCEPTCONN;
423 case SocketOptionName_ReuseAddress:
424 *system_name = SO_REUSEADDR;
426 case SocketOptionName_KeepAlive:
427 *system_name = SO_KEEPALIVE;
430 case SocketOptionName_DontRoute:
431 *system_name = SO_DONTROUTE;
434 case SocketOptionName_Broadcast:
435 *system_name = SO_BROADCAST;
437 case SocketOptionName_Linger:
438 *system_name = SO_LINGER;
441 case SocketOptionName_OutOfBandInline:
442 *system_name = SO_OOBINLINE;
445 case SocketOptionName_SendBuffer:
446 *system_name = SO_SNDBUF;
448 case SocketOptionName_ReceiveBuffer:
449 *system_name = SO_RCVBUF;
451 case SocketOptionName_SendLowWater:
452 *system_name = SO_SNDLOWAT;
454 case SocketOptionName_ReceiveLowWater:
455 *system_name = SO_RCVLOWAT;
457 case SocketOptionName_SendTimeout:
458 *system_name = SO_SNDTIMEO;
460 case SocketOptionName_ReceiveTimeout:
461 *system_name = SO_RCVTIMEO;
463 case SocketOptionName_Error:
464 *system_name = SO_ERROR;
466 case SocketOptionName_Type:
467 *system_name = SO_TYPE;
470 case SocketOptionName_PeerCred:
471 *system_name = SO_PEERCRED;
474 case SocketOptionName_ExclusiveAddressUse:
475 #ifdef SO_EXCLUSIVEADDRUSE
476 *system_name = SO_EXCLUSIVEADDRUSE;
479 case SocketOptionName_UseLoopback:
480 #ifdef SO_USELOOPBACK
481 *system_name = SO_USELOOPBACK;
484 case SocketOptionName_MaxConnections:
486 *system_name = SO_MAXCONN;
488 #elif defined(SOMAXCONN)
489 *system_name = SOMAXCONN;
493 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
498 case SocketOptionLevel_IP:
499 *system_level = mono_networking_get_ip_protocol ();
503 case SocketOptionName_IPOptions:
504 *system_name = IP_OPTIONS;
508 case SocketOptionName_HeaderIncluded:
509 *system_name = IP_HDRINCL;
513 case SocketOptionName_TypeOfService:
514 *system_name = IP_TOS;
518 case SocketOptionName_IpTimeToLive:
519 *system_name = IP_TTL;
522 case SocketOptionName_MulticastInterface:
523 *system_name = IP_MULTICAST_IF;
525 case SocketOptionName_MulticastTimeToLive:
526 *system_name = IP_MULTICAST_TTL;
528 case SocketOptionName_MulticastLoopback:
529 *system_name = IP_MULTICAST_LOOP;
531 case SocketOptionName_AddMembership:
532 *system_name = IP_ADD_MEMBERSHIP;
534 case SocketOptionName_DropMembership:
535 *system_name = IP_DROP_MEMBERSHIP;
537 #ifdef HAVE_IP_PKTINFO
538 case SocketOptionName_PacketInformation:
539 *system_name = IP_PKTINFO;
541 #endif /* HAVE_IP_PKTINFO */
543 case SocketOptionName_DontFragment:
544 #ifdef HAVE_IP_DONTFRAGMENT
545 *system_name = IP_DONTFRAGMENT;
547 #elif defined HAVE_IP_MTU_DISCOVER
548 /* Not quite the same */
549 *system_name = IP_MTU_DISCOVER;
552 /* If the flag is not available on this system, we can ignore this error */
554 #endif /* HAVE_IP_DONTFRAGMENT */
555 case SocketOptionName_AddSourceMembership:
556 case SocketOptionName_DropSourceMembership:
557 case SocketOptionName_BlockSource:
558 case SocketOptionName_UnblockSource:
559 /* Can't figure out how to map these, so fall
563 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
568 case SocketOptionLevel_IPv6:
569 *system_level = mono_networking_get_ipv6_protocol ();
572 case SocketOptionName_IpTimeToLive:
573 case SocketOptionName_HopLimit:
574 *system_name = IPV6_UNICAST_HOPS;
576 case SocketOptionName_MulticastInterface:
577 *system_name = IPV6_MULTICAST_IF;
579 case SocketOptionName_MulticastTimeToLive:
580 *system_name = IPV6_MULTICAST_HOPS;
582 case SocketOptionName_MulticastLoopback:
583 *system_name = IPV6_MULTICAST_LOOP;
585 case SocketOptionName_AddMembership:
586 *system_name = IPV6_JOIN_GROUP;
588 case SocketOptionName_DropMembership:
589 *system_name = IPV6_LEAVE_GROUP;
591 case SocketOptionName_IPv6Only:
593 *system_name = IPV6_V6ONLY;
598 case SocketOptionName_PacketInformation:
599 #ifdef HAVE_IPV6_PKTINFO
600 *system_name = IPV6_PKTINFO;
603 case SocketOptionName_HeaderIncluded:
604 case SocketOptionName_IPOptions:
605 case SocketOptionName_TypeOfService:
606 case SocketOptionName_DontFragment:
607 case SocketOptionName_AddSourceMembership:
608 case SocketOptionName_DropSourceMembership:
609 case SocketOptionName_BlockSource:
610 case SocketOptionName_UnblockSource:
611 /* Can't figure out how to map these, so fall
615 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
618 break; /* SocketOptionLevel_IPv6 */
620 case SocketOptionLevel_Tcp:
621 *system_level = mono_networking_get_tcp_protocol ();
624 case SocketOptionName_NoDelay:
625 *system_name = TCP_NODELAY;
628 /* The documentation is talking complete
629 * bollocks here: rfc-1222 is titled
630 * 'Advancing the NSFNET Routing Architecture'
631 * and doesn't mention either of the words
632 * "expedite" or "urgent".
634 case SocketOptionName_BsdUrgent:
635 case SocketOptionName_Expedited:
638 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
643 case SocketOptionLevel_Udp:
644 g_warning ("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
647 case SocketOptionName_NoChecksum:
648 case SocketOptionName_ChecksumCoverage:
650 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
657 g_warning ("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
665 get_socket_assembly (void)
667 MonoDomain *domain = mono_domain_get ();
669 if (domain->socket_assembly == NULL) {
670 MonoImage *socket_assembly;
672 socket_assembly = mono_image_loaded ("System");
673 if (!socket_assembly) {
674 MonoAssembly *sa = mono_assembly_open_predicate ("System.dll", FALSE, FALSE, NULL, NULL, NULL);
677 g_assert_not_reached ();
679 socket_assembly = mono_assembly_get_image (sa);
682 mono_atomic_store_release (&domain->socket_assembly, socket_assembly);
685 return domain->socket_assembly;
689 ves_icall_System_Net_Sockets_Socket_Socket_internal (MonoObject *this_obj, gint32 family, gint32 type, gint32 proto, gint32 *werror)
698 sock_family = convert_family ((MonoAddressFamily)family);
699 if (sock_family == -1) {
700 *werror = WSAEAFNOSUPPORT;
704 sock_proto = convert_proto ((MonoProtocolType)proto);
705 if (sock_proto == -1) {
706 *werror = WSAEPROTONOSUPPORT;
710 sock_type = convert_type ((MonoSocketType)type);
711 if (sock_type == -1) {
712 *werror = WSAESOCKTNOSUPPORT;
716 sock = mono_w32socket_socket (sock_family, sock_type, sock_proto);
718 if (sock == INVALID_SOCKET) {
719 *werror = mono_w32socket_get_last_error ();
723 return GUINT_TO_POINTER (sock);
726 /* FIXME: the SOCKET parameter (here and in other functions in this
727 * file) is really an IntPtr which needs to be converted to a guint32.
730 ves_icall_System_Net_Sockets_Socket_Close_internal (gsize sock, gint32 *werror)
732 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
736 /* Clear any pending work item from this socket if the underlying
737 * polling system does not notify when the socket is closed */
738 mono_threadpool_io_remove_socket (GPOINTER_TO_INT (sock));
741 mono_w32socket_close ((SOCKET) sock);
746 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal (void)
748 LOGDEBUG (g_message("%s: returning %d", __func__, mono_w32socket_get_last_error ()));
750 return mono_w32socket_get_last_error ();
754 ves_icall_System_Net_Sockets_Socket_Available_internal (gsize sock, gint32 *werror)
761 /* FIXME: this might require amount to be unsigned long. */
762 ret = mono_w32socket_get_available (sock, &amount);
763 if (ret == SOCKET_ERROR) {
764 *werror = mono_w32socket_get_last_error ();
772 ves_icall_System_Net_Sockets_Socket_Blocking_internal (gsize sock, gboolean block, gint32 *werror)
778 ret = mono_w32socket_set_blocking (sock, block);
779 if (ret == SOCKET_ERROR)
780 *werror = mono_w32socket_get_last_error ();
784 ves_icall_System_Net_Sockets_Socket_Accept_internal (gsize sock, gint32 *werror, gboolean blocking)
786 gboolean interrupted;
791 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
798 newsock = mono_w32socket_accept (sock, NULL, 0, blocking);
801 if (newsock == INVALID_SOCKET)
802 *werror = mono_w32socket_get_last_error ();
804 mono_thread_info_uninstall_interrupt (&interrupted);
811 return GUINT_TO_POINTER (newsock);
815 ves_icall_System_Net_Sockets_Socket_Listen_internal(gsize sock, guint32 backlog, gint32 *werror)
823 ret = mono_w32socket_listen (sock, backlog);
827 if (ret == SOCKET_ERROR)
828 *werror = mono_w32socket_get_last_error ();
831 #ifdef HAVE_STRUCT_SOCKADDR_IN6
832 // Check whether it's ::ffff::0:0.
834 is_ipv4_mapped_any (const struct in6_addr *addr)
838 for (i = 0; i < 10; i++) {
839 if (addr->s6_addr [i])
842 if ((addr->s6_addr [10] != 0xff) || (addr->s6_addr [11] != 0xff))
844 for (i = 12; i < 16; i++) {
845 if (addr->s6_addr [i])
853 create_object_from_sockaddr (struct sockaddr *saddr, int sa_size, gint32 *werror, MonoError *error)
855 MonoDomain *domain = mono_domain_get ();
856 MonoObject *sockaddr_obj;
858 MonoAddressFamily family;
862 /* Build a System.Net.SocketAddress object instance */
863 if (!domain->sockaddr_class)
864 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
865 sockaddr_obj = mono_object_new_checked (domain, domain->sockaddr_class, error);
866 return_val_if_nok (error, NULL);
868 /* Locate the SocketAddress data buffer in the object */
869 if (!domain->sockaddr_data_field) {
870 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
871 g_assert (domain->sockaddr_data_field);
874 /* Locate the SocketAddress data buffer length in the object */
875 if (!domain->sockaddr_data_length_field) {
876 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
877 g_assert (domain->sockaddr_data_length_field);
880 /* May be the +2 here is too conservative, as sa_len returns
881 * the length of the entire sockaddr_in/in6, including
882 * sizeof (unsigned short) of the family */
883 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
884 data = mono_array_new_cached (domain, mono_get_byte_class (), sa_size + 2, error);
885 return_val_if_nok (error, NULL);
887 /* The data buffer is laid out as follows:
888 * bytes 0 and 1 are the address family
889 * bytes 2 and 3 are the port info
890 * the rest is the address info
893 family = convert_to_mono_family (saddr->sa_family);
894 if (family == AddressFamily_Unknown) {
895 *werror = WSAEAFNOSUPPORT;
899 mono_array_set (data, guint8, 0, family & 0x0FF);
900 mono_array_set (data, guint8, 1, (family >> 8) & 0x0FF);
902 if (saddr->sa_family == AF_INET) {
903 struct sockaddr_in *sa_in = (struct sockaddr_in *)saddr;
904 guint16 port = ntohs (sa_in->sin_port);
905 guint32 address = ntohl (sa_in->sin_addr.s_addr);
908 if (sa_size < buffer_size) {
909 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
913 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
914 mono_array_set (data, guint8, 3, (port) & 0xff);
915 mono_array_set (data, guint8, 4, (address>>24) & 0xff);
916 mono_array_set (data, guint8, 5, (address>>16) & 0xff);
917 mono_array_set (data, guint8, 6, (address>>8) & 0xff);
918 mono_array_set (data, guint8, 7, (address) & 0xff);
920 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
921 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
925 #ifdef HAVE_STRUCT_SOCKADDR_IN6
926 else if (saddr->sa_family == AF_INET6) {
927 struct sockaddr_in6 *sa_in = (struct sockaddr_in6 *)saddr;
929 int buffer_size = 28;
931 guint16 port = ntohs (sa_in->sin6_port);
933 if (sa_size < buffer_size) {
934 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
938 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
939 mono_array_set (data, guint8, 3, (port) & 0xff);
941 if (is_ipv4_mapped_any (&sa_in->sin6_addr)) {
942 // Map ::ffff:0:0 to :: (bug #5502)
943 for (i = 0; i < 16; i++)
944 mono_array_set (data, guint8, 8 + i, 0);
946 for (i = 0; i < 16; i++) {
947 mono_array_set (data, guint8, 8 + i,
948 sa_in->sin6_addr.s6_addr [i]);
952 mono_array_set (data, guint8, 24, sa_in->sin6_scope_id & 0xff);
953 mono_array_set (data, guint8, 25,
954 (sa_in->sin6_scope_id >> 8) & 0xff);
955 mono_array_set (data, guint8, 26,
956 (sa_in->sin6_scope_id >> 16) & 0xff);
957 mono_array_set (data, guint8, 27,
958 (sa_in->sin6_scope_id >> 24) & 0xff);
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 else if (saddr->sa_family == AF_UNIX) {
969 int buffer_size = sa_size + 2;
971 for (i = 0; i < sa_size; i++)
972 mono_array_set (data, guint8, i + 2, saddr->sa_data [i]);
974 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
975 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
981 *werror = WSAEAFNOSUPPORT;
987 get_sockaddr_size (int family)
992 if (family == AF_INET) {
993 size = sizeof (struct sockaddr_in);
995 #ifdef HAVE_STRUCT_SOCKADDR_IN6
996 else if (family == AF_INET6) {
997 size = sizeof (struct sockaddr_in6);
1000 #ifdef HAVE_SYS_UN_H
1001 else if (family == AF_UNIX) {
1002 size = sizeof (struct sockaddr_un);
1009 ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
1019 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1021 *werror = WSAEAFNOSUPPORT;
1024 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1028 ret = mono_w32socket_getsockname (sock, (struct sockaddr *)sa, &salen);
1032 if (ret == SOCKET_ERROR) {
1033 *werror = mono_w32socket_get_last_error ();
1039 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)));
1041 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1044 if (!mono_error_ok (&error))
1045 mono_error_set_pending_exception (&error);
1050 ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
1060 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1062 *werror = WSAEAFNOSUPPORT;
1065 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1066 /* Note: linux returns just 2 for AF_UNIX. Always. */
1070 ret = mono_w32socket_getpeername (sock, (struct sockaddr *)sa, &salen);
1074 if (ret == SOCKET_ERROR) {
1075 *werror = mono_w32socket_get_last_error ();
1081 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)));
1083 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1086 if (!mono_error_ok (&error))
1087 mono_error_set_pending_exception (&error);
1091 static struct sockaddr*
1092 create_sockaddr_from_object (MonoObject *saddr_obj, socklen_t *sa_size, gint32 *werror, MonoError *error)
1094 MonoDomain *domain = mono_domain_get ();
1101 if (!domain->sockaddr_class)
1102 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
1104 /* Locate the SocketAddress data buffer in the object */
1105 if (!domain->sockaddr_data_field) {
1106 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
1107 g_assert (domain->sockaddr_data_field);
1110 /* Locate the SocketAddress data buffer length in the object */
1111 if (!domain->sockaddr_data_length_field) {
1112 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
1113 g_assert (domain->sockaddr_data_length_field);
1116 data = *(MonoArray **)(((char *)saddr_obj) + domain->sockaddr_data_field->offset);
1118 /* The data buffer is laid out as follows:
1119 * byte 0 is the address family low byte
1120 * byte 1 is the address family high byte
1122 * bytes 2 and 3 are the port info
1123 * the rest is the address info
1125 * the rest is the file name
1127 len = *(int *)(((char *)saddr_obj) + domain->sockaddr_data_length_field->offset);
1128 g_assert (len >= 2);
1130 family = convert_family ((MonoAddressFamily)(mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8)));
1131 if (family == AF_INET) {
1132 struct sockaddr_in *sa;
1137 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1141 sa = g_new0 (struct sockaddr_in, 1);
1142 port = (mono_array_get (data, guint8, 2) << 8) +
1143 mono_array_get (data, guint8, 3);
1144 address = (mono_array_get (data, guint8, 4) << 24) +
1145 (mono_array_get (data, guint8, 5) << 16 ) +
1146 (mono_array_get (data, guint8, 6) << 8) +
1147 mono_array_get (data, guint8, 7);
1149 sa->sin_family = family;
1150 sa->sin_addr.s_addr = htonl (address);
1151 sa->sin_port = htons (port);
1153 *sa_size = sizeof (struct sockaddr_in);
1154 return (struct sockaddr *)sa;
1156 #ifdef HAVE_STRUCT_SOCKADDR_IN6
1157 else if (family == AF_INET6) {
1158 struct sockaddr_in6 *sa;
1164 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1168 sa = g_new0 (struct sockaddr_in6, 1);
1169 port = mono_array_get (data, guint8, 3) +
1170 (mono_array_get (data, guint8, 2) << 8);
1171 scopeid = mono_array_get (data, guint8, 24) +
1172 (mono_array_get (data, guint8, 25) << 8) +
1173 (mono_array_get (data, guint8, 26) << 16) +
1174 (mono_array_get (data, guint8, 27) << 24);
1176 sa->sin6_family = family;
1177 sa->sin6_port = htons (port);
1178 sa->sin6_scope_id = scopeid;
1180 for (i = 0; i < 16; i++)
1181 sa->sin6_addr.s6_addr [i] = mono_array_get (data, guint8, 8 + i);
1183 *sa_size = sizeof (struct sockaddr_in6);
1184 return (struct sockaddr *)sa;
1187 #ifdef HAVE_SYS_UN_H
1188 else if (family == AF_UNIX) {
1189 struct sockaddr_un *sock_un;
1192 /* Need a byte for the '\0' terminator/prefix, and the first
1193 * two bytes hold the SocketAddress family
1195 if (len - 2 >= sizeof (sock_un->sun_path)) {
1196 mono_error_set_exception_instance (error, mono_get_exception_index_out_of_range ());
1200 sock_un = g_new0 (struct sockaddr_un, 1);
1202 sock_un->sun_family = family;
1203 for (i = 0; i < len - 2; i++)
1204 sock_un->sun_path [i] = mono_array_get (data, guint8, i + 2);
1207 return (struct sockaddr *)sock_un;
1211 *werror = WSAEAFNOSUPPORT;
1217 ves_icall_System_Net_Sockets_Socket_Bind_internal (gsize sock, MonoObject *sockaddr, gint32 *werror)
1220 struct sockaddr *sa;
1226 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1229 if (!mono_error_ok (&error)) {
1230 mono_error_set_pending_exception (&error);
1234 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)));
1236 ret = mono_w32socket_bind (sock, sa, sa_size);
1238 if (ret == SOCKET_ERROR)
1239 *werror = mono_w32socket_get_last_error ();
1251 ves_icall_System_Net_Sockets_Socket_Poll_internal (gsize sock, gint mode,
1252 gint timeout, gint32 *werror)
1254 MonoInternalThread *thread = mono_thread_internal_current ();
1257 gboolean interrupted;
1262 pfds = g_new0 (mono_pollfd, 1);
1263 pfds->fd = GPOINTER_TO_INT (sock);
1266 case SelectModeRead:
1267 pfds->events = MONO_POLLIN;
1269 case SelectModeWrite:
1270 pfds->events = MONO_POLLOUT;
1273 pfds->events = MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL;
1277 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1278 start = time (NULL);
1281 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1290 ret = mono_poll (pfds, 1, timeout);
1294 mono_thread_info_uninstall_interrupt (&interrupted);
1301 if (timeout > 0 && ret < 0) {
1303 int sec = time (NULL) - start;
1305 timeout -= sec * 1000;
1313 if (ret == -1 && errno == EINTR) {
1314 if (mono_thread_test_state (thread, ThreadState_AbortRequested)) {
1319 /* Suspend requested? */
1320 mono_thread_interruption_checkpoint ();
1324 } while (ret == -1 && errno == EINTR);
1327 *werror = mono_w32socket_convert_error (errno);
1337 ves_icall_System_Net_Sockets_Socket_Connect_internal (gsize sock, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1340 struct sockaddr *sa;
1343 gboolean interrupted;
1347 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1350 if (!mono_error_ok (&error)) {
1351 mono_error_set_pending_exception (&error);
1355 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)));
1357 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1364 ret = mono_w32socket_connect (sock, sa, sa_size, blocking);
1367 if (ret == SOCKET_ERROR)
1368 *werror = mono_w32socket_get_last_error ();
1370 mono_thread_info_uninstall_interrupt (&interrupted);
1377 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
1380 ves_icall_System_Net_Sockets_Socket_Disconnect_internal (gsize sock, MonoBoolean reuse, gint32 *werror)
1382 gboolean interrupted;
1384 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1386 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1393 *werror = mono_w32socket_disconnect (sock, reuse);
1396 mono_thread_info_uninstall_interrupt (&interrupted);
1400 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
1403 ves_icall_System_Net_Sockets_Socket_Receive_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1409 gboolean interrupted;
1410 MonoInternalThread* curthread G_GNUC_UNUSED = mono_thread_internal_current ();
1414 alen = mono_array_length (buffer);
1415 if (offset > alen - count)
1418 buf = mono_array_addr (buffer, gchar, offset);
1420 recvflags = convert_socketflags (flags);
1421 if (recvflags == -1) {
1422 *werror = WSAEOPNOTSUPP;
1426 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1431 ret = mono_w32socket_recv (sock, buf, count, recvflags, blocking);
1434 if (ret == SOCKET_ERROR)
1435 *werror = mono_w32socket_get_last_error ();
1437 mono_thread_info_uninstall_interrupt (&interrupted);
1448 ves_icall_System_Net_Sockets_Socket_Receive_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1451 gboolean interrupted;
1454 guint32 recvflags = 0;
1458 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1459 count = mono_array_length (buffers);
1461 recvflags = convert_socketflags (flags);
1462 if (recvflags == -1) {
1463 *werror = WSAEOPNOTSUPP;
1467 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1474 ret = mono_w32socket_recvbuffers (sock, wsabufs, count, &recv, &recvflags, NULL, NULL, blocking);
1477 if (ret == SOCKET_ERROR)
1478 *werror = mono_w32socket_get_last_error ();
1480 mono_thread_info_uninstall_interrupt (&interrupted);
1491 ves_icall_System_Net_Sockets_Socket_ReceiveFrom_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *werror, gboolean blocking)
1498 struct sockaddr *sa;
1500 gboolean interrupted;
1504 alen = mono_array_length (buffer);
1505 if (offset > alen - count)
1508 sa = create_sockaddr_from_object (*sockaddr, &sa_size, werror, &error);
1511 if (!mono_error_ok (&error)) {
1512 mono_error_set_pending_exception (&error);
1516 buf = mono_array_addr (buffer, gchar, offset);
1518 recvflags = convert_socketflags (flags);
1519 if (recvflags == -1) {
1520 *werror = WSAEOPNOTSUPP;
1524 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1532 ret = mono_w32socket_recvfrom (sock, buf, count, recvflags, sa, &sa_size, blocking);
1535 if (ret == SOCKET_ERROR)
1536 *werror = mono_w32socket_get_last_error ();
1538 mono_thread_info_uninstall_interrupt (&interrupted);
1548 /* If we didn't get a socket size, then we're probably a
1549 * connected connection-oriented socket and the stack hasn't
1550 * returned the remote address. All we can do is return null.
1553 *sockaddr = create_object_from_sockaddr (sa, sa_size, werror, &error);
1554 if (!mono_error_ok (&error)) {
1555 mono_error_set_pending_exception (&error);
1569 ves_icall_System_Net_Sockets_Socket_Send_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1575 gboolean interrupted;
1579 alen = mono_array_length (buffer);
1580 if (offset > alen - count)
1583 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1585 buf = mono_array_addr (buffer, gchar, offset);
1587 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1589 sendflags = convert_socketflags (flags);
1590 if (sendflags == -1) {
1591 *werror = WSAEOPNOTSUPP;
1595 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1602 ret = mono_w32socket_send (sock, buf, count, sendflags, blocking);
1605 if (ret == SOCKET_ERROR)
1606 *werror = mono_w32socket_get_last_error ();
1608 mono_thread_info_uninstall_interrupt (&interrupted);
1619 ves_icall_System_Net_Sockets_Socket_Send_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1624 guint32 sendflags = 0;
1625 gboolean interrupted;
1629 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1630 count = mono_array_length (buffers);
1632 sendflags = convert_socketflags (flags);
1633 if (sendflags == -1) {
1634 *werror = WSAEOPNOTSUPP;
1638 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1645 ret = mono_w32socket_sendbuffers (sock, wsabufs, count, &sent, sendflags, NULL, NULL, blocking);
1648 if (ret == SOCKET_ERROR)
1649 *werror = mono_w32socket_get_last_error ();
1651 mono_thread_info_uninstall_interrupt (&interrupted);
1662 ves_icall_System_Net_Sockets_Socket_SendTo_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1669 struct sockaddr *sa;
1671 gboolean interrupted;
1675 alen = mono_array_length (buffer);
1676 if (offset > alen - count) {
1680 sa = create_sockaddr_from_object(sockaddr, &sa_size, werror, &error);
1683 if (!mono_error_ok (&error)) {
1684 mono_error_set_pending_exception (&error);
1688 LOGDEBUG (g_message ("%s: alen: %d", __func__, alen));
1690 buf = mono_array_addr (buffer, gchar, offset);
1692 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1694 sendflags = convert_socketflags (flags);
1695 if (sendflags == -1) {
1697 *werror = WSAEOPNOTSUPP;
1701 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1709 ret = mono_w32socket_sendto (sock, buf, count, sendflags, sa, sa_size, blocking);
1712 if (ret == SOCKET_ERROR)
1713 *werror = mono_w32socket_get_last_error ();
1715 mono_thread_info_uninstall_interrupt (&interrupted);
1728 Socket_to_SOCKET (MonoObject *sockobj)
1730 MonoSafeHandle *safe_handle;
1731 MonoClassField *field;
1733 field = mono_class_get_field_from_name (sockobj->vtable->klass, "m_Handle");
1734 safe_handle = ((MonoSafeHandle *)(*(gpointer *)(((char *)sockobj) + field->offset)));
1736 if (safe_handle == NULL)
1739 return (SOCKET)safe_handle->handle;
1742 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1745 ves_icall_System_Net_Sockets_Socket_Select_internal (MonoArray **sockets, gint32 timeout, gint32 *werror)
1748 MonoInternalThread *thread = mono_thread_internal_current ();
1755 MonoClass *sock_arr_class;
1758 uintptr_t socks_size;
1759 gboolean interrupted;
1763 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1764 count = mono_array_length (*sockets);
1765 nfds = count - 3; /* NULL separators */
1766 pfds = g_new0 (mono_pollfd, nfds);
1768 for (i = 0; i < count; i++) {
1769 obj = mono_array_get (*sockets, MonoObject *, i);
1776 /* The socket array was bogus */
1778 *werror = WSAEFAULT;
1782 pfds [idx].fd = Socket_to_SOCKET (obj);
1783 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1787 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1788 start = time (NULL);
1790 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1799 ret = mono_poll (pfds, nfds, timeout);
1803 mono_thread_info_uninstall_interrupt (&interrupted);
1810 if (timeout > 0 && ret < 0) {
1812 int sec = time (NULL) - start;
1814 timeout -= sec * 1000;
1820 if (ret == -1 && errno == EINTR) {
1821 if (mono_thread_test_state (thread, ThreadState_AbortRequested)) {
1827 /* Suspend requested? */
1828 mono_thread_interruption_checkpoint ();
1832 } while (ret == -1 && errno == EINTR);
1835 *werror = mono_w32socket_convert_error (errno);
1846 sock_arr_class = ((MonoObject *)*sockets)->vtable->klass;
1847 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1848 socks = mono_array_new_full_checked (mono_domain_get (), sock_arr_class, &socks_size, NULL, &error);
1849 if (!mono_error_ok (&error)) {
1850 mono_error_set_pending_exception (&error);
1856 for (i = 0; i < count && ret > 0; i++) {
1859 obj = mono_array_get (*sockets, MonoObject *, i);
1866 pfd = &pfds [i - mode];
1867 if (pfd->revents == 0)
1871 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1872 mono_array_setref (socks, idx++, obj);
1873 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1874 mono_array_setref (socks, idx++, obj);
1875 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1876 mono_array_setref (socks, idx++, obj);
1885 int_to_object (MonoDomain *domain, int val, MonoError *error)
1887 return mono_value_box_checked (domain, mono_get_int32_class (), &val, error);
1891 ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal (gsize sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *werror)
1893 int system_level = 0;
1894 int system_name = 0;
1897 socklen_t valsize = sizeof (val);
1898 struct linger linger;
1899 socklen_t lingersize = sizeof (linger);
1901 socklen_t time_ms_size = sizeof (time_ms);
1903 # if defined(__OpenBSD__)
1904 struct sockpeercred cred;
1908 socklen_t credsize = sizeof (cred);
1911 MonoDomain *domain = mono_domain_get ();
1913 MonoClass *obj_class;
1914 MonoClassField *field;
1918 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1919 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1920 system_level = SOL_SOCKET;
1921 system_name = SO_REUSEADDR;
1926 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level, &system_name);
1930 *werror = WSAENOPROTOOPT;
1934 *obj_val = int_to_object (domain, 0, &error);
1935 mono_error_set_pending_exception (&error);
1941 /* No need to deal with MulticastOption names here, because
1942 * you cant getsockopt AddMembership or DropMembership (the
1943 * int getsockopt will error, causing an exception)
1946 case SocketOptionName_Linger:
1947 case SocketOptionName_DontLinger:
1948 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &linger, &lingersize);
1951 case SocketOptionName_SendTimeout:
1952 case SocketOptionName_ReceiveTimeout:
1953 ret = mono_w32socket_getsockopt (sock, system_level, system_name, (char *)&time_ms, &time_ms_size);
1957 case SocketOptionName_PeerCred:
1958 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &cred, &credsize);
1963 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &val, &valsize);
1968 if (ret == SOCKET_ERROR) {
1969 *werror = mono_w32socket_get_last_error ();
1974 case SocketOptionName_Linger:
1975 /* build a System.Net.Sockets.LingerOption */
1976 obj_class = mono_class_load_from_name (get_socket_assembly (),
1977 "System.Net.Sockets",
1979 obj = mono_object_new_checked (domain, obj_class, &error);
1980 if (!mono_error_ok (&error)) {
1981 mono_error_set_pending_exception (&error);
1985 /* Locate and set the fields "bool enabled" and "int
1988 field = mono_class_get_field_from_name(obj_class, "enabled");
1989 *(guint8 *)(((char *)obj)+field->offset) = linger.l_onoff;
1991 field = mono_class_get_field_from_name(obj_class, "lingerTime");
1992 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1994 case SocketOptionName_DontLinger:
1995 /* construct a bool int in val - true if linger is off */
1996 obj = int_to_object (domain, !linger.l_onoff, &error);
1997 mono_error_set_pending_exception (&error);
1999 case SocketOptionName_SendTimeout:
2000 case SocketOptionName_ReceiveTimeout:
2001 obj = int_to_object (domain, time_ms, &error);
2002 mono_error_set_pending_exception (&error);
2006 case SocketOptionName_PeerCred: {
2008 * build a Mono.Posix.PeerCred+PeerCredData if
2011 static MonoImage *mono_posix_image = NULL;
2012 MonoPeerCredData *cred_data;
2014 if (mono_posix_image == NULL) {
2015 mono_posix_image = mono_image_loaded ("Mono.Posix");
2016 if (!mono_posix_image) {
2017 MonoAssembly *sa = mono_assembly_open_predicate ("Mono.Posix.dll", FALSE, FALSE, NULL, NULL, NULL);
2019 *werror = WSAENOPROTOOPT;
2022 mono_posix_image = mono_assembly_get_image (sa);
2027 obj_class = mono_class_load_from_name (mono_posix_image,
2030 obj = mono_object_new_checked (domain, obj_class, &error);
2031 if (!mono_error_ok (&error)) {
2032 mono_error_set_pending_exception (&error);
2035 cred_data = (MonoPeerCredData *)obj;
2036 cred_data->pid = cred.pid;
2037 cred_data->uid = cred.uid;
2038 cred_data->gid = cred.gid;
2044 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2045 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
2048 obj = int_to_object (domain, val, &error);
2049 mono_error_set_pending_exception (&error);
2056 ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal (gsize sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *werror)
2058 int system_level = 0;
2059 int system_name = 0;
2066 ret = convert_sockopt_level_and_name((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2069 *werror = WSAENOPROTOOPT;
2075 valsize = mono_array_length (*byte_val);
2076 buf = mono_array_addr (*byte_val, guchar, 0);
2080 ret = mono_w32socket_getsockopt (sock, system_level, system_name, buf, &valsize);
2084 if (ret == SOCKET_ERROR)
2085 *werror = mono_w32socket_get_last_error ();
2088 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2089 static struct in_addr
2090 ipaddress_to_struct_in_addr (MonoObject *ipaddr)
2092 struct in_addr inaddr;
2093 MonoClassField *field;
2095 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Address");
2097 /* No idea why .net uses a 64bit type to hold a 32bit value...
2099 * Internal value of IPAddess is in little-endian order
2101 inaddr.s_addr = GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr) + field->offset));
2106 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2107 static struct in6_addr
2108 ipaddress_to_struct_in6_addr (MonoObject *ipaddr)
2110 struct in6_addr in6addr;
2111 MonoClassField *field;
2115 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Numbers");
2117 data = *(MonoArray **)(((char *)ipaddr) + field->offset);
2119 for (i = 0; i < 8; i++) {
2120 const guint16 s = GUINT16_TO_BE (mono_array_get (data, guint16, i));
2122 /* Solaris/MacOS have only the 8 bit version. */
2124 in6addr.s6_addr[2 * i + 1] = (s >> 8) & 0xff;
2125 in6addr.s6_addr[2 * i] = s & 0xff;
2127 in6addr.s6_addr16[i] = s;
2135 #if defined(__APPLE__) || defined(__FreeBSD__)
2138 get_local_interface_id (int family)
2140 #if !defined(HAVE_GETIFADDRS) || !defined(HAVE_IF_NAMETOINDEX)
2143 struct ifaddrs *ifap = NULL, *ptr;
2146 if (getifaddrs (&ifap))
2149 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2150 if (!ptr->ifa_addr || !ptr->ifa_name)
2152 if (ptr->ifa_addr->sa_family != family)
2154 if ((ptr->ifa_flags & IFF_LOOPBACK) != 0)
2156 if ((ptr->ifa_flags & IFF_MULTICAST) == 0)
2159 idx = if_nametoindex (ptr->ifa_name);
2168 #endif /* defined(__APPLE__) || defined(__FreeBSD__) */
2171 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)
2173 struct linger linger;
2174 int system_level = 0;
2175 int system_name = 0;
2182 sol_ipv6 = mono_networking_get_ipv6_protocol ();
2183 sol_ip = mono_networking_get_ip_protocol ();
2185 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2188 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2189 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2190 system_name = SO_REUSEADDR;
2191 int_val = int_val ? 0 : 1;
2197 *werror = WSAENOPROTOOPT;
2203 /* Only one of obj_val, byte_val or int_val has data */
2205 MonoClassField *field;
2209 case SocketOptionName_Linger:
2210 /* Dig out "bool enabled" and "int lingerTime"
2213 field = mono_class_get_field_from_name (obj_val->vtable->klass, "enabled");
2214 linger.l_onoff = *(guint8 *)(((char *)obj_val) + field->offset);
2215 field = mono_class_get_field_from_name (obj_val->vtable->klass, "lingerTime");
2216 linger.l_linger = *(guint32 *)(((char *)obj_val) + field->offset);
2218 valsize = sizeof (linger);
2219 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, valsize);
2221 case SocketOptionName_AddMembership:
2222 case SocketOptionName_DropMembership:
2223 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2225 MonoObject *address = NULL;
2226 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2227 if (system_level == sol_ipv6) {
2228 struct ipv6_mreq mreq6;
2233 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Group");
2235 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2238 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2240 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Interface");
2241 mreq6.ipv6mr_interface = *(guint64 *)(((char *)obj_val) + field->offset);
2243 #if defined(__APPLE__) || defined(__FreeBSD__)
2247 * Mac OS Lion doesn't allow ipv6mr_interface = 0.
2249 * Tests on Windows and Linux show that the multicast group is only
2250 * joined on one NIC when interface = 0, so we simply use the interface
2251 * id from the first non-loopback interface (this is also what
2252 * Dns.GetHostName (string.Empty) would return).
2254 if (!mreq6.ipv6mr_interface)
2255 mreq6.ipv6mr_interface = get_local_interface_id (AF_INET6);
2258 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq6, sizeof (mreq6));
2260 break; // Don't check sol_ip
2263 if (system_level == sol_ip) {
2264 #ifdef HAVE_STRUCT_IP_MREQN
2265 struct ip_mreqn mreq = {{0}};
2267 struct ip_mreq mreq = {{0}};
2268 #endif /* HAVE_STRUCT_IP_MREQN */
2271 * pain! MulticastOption holds two IPAddress
2272 * members, so I have to dig the value out of
2275 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2276 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2278 /* address might not be defined and if so, set the address to ADDR_ANY.
2281 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2283 field = mono_class_get_field_from_name (obj_val->vtable->klass, "localAddress");
2284 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2286 #ifdef HAVE_STRUCT_IP_MREQN
2288 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2290 field = mono_class_get_field_from_name (obj_val->vtable->klass, "ifIndex");
2291 mreq.imr_ifindex = *(gint32 *)(((char *)obj_val) + field->offset);
2294 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2295 #endif /* HAVE_STRUCT_IP_MREQN */
2297 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq, sizeof (mreq));
2301 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2303 /* Cause an exception to be thrown */
2304 *werror = WSAEINVAL;
2307 } else if (byte_val!=NULL) {
2308 int valsize = mono_array_length (byte_val);
2309 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2312 case SocketOptionName_DontLinger:
2314 linger.l_onoff = (*buf) ? 0 : 1;
2315 linger.l_linger = 0;
2316 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2318 *werror = WSAEINVAL;
2322 ret = mono_w32socket_setsockopt (sock, system_level, system_name, buf, valsize);
2326 /* ReceiveTimeout/SendTimeout get here */
2328 case SocketOptionName_DontLinger:
2329 linger.l_onoff = !int_val;
2330 linger.l_linger = 0;
2331 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2333 case SocketOptionName_MulticastInterface:
2335 #ifdef HAVE_STRUCT_IP_MREQN
2336 int_val = GUINT32_FROM_BE (int_val);
2337 if ((int_val & 0xff000000) == 0) {
2338 /* int_val is interface index */
2339 struct ip_mreqn mreq = {{0}};
2340 mreq.imr_ifindex = int_val;
2341 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &mreq, sizeof (mreq));
2344 int_val = GUINT32_TO_BE (int_val);
2345 #endif /* HAVE_STRUCT_IP_MREQN */
2346 #endif /* HOST_WIN32 */
2347 /* int_val is in_addr */
2348 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2350 case SocketOptionName_DontFragment:
2351 #ifdef HAVE_IP_MTU_DISCOVER
2352 /* Fiddle with the value slightly if we're
2356 int_val = IP_PMTUDISC_DO;
2361 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2365 if (ret == SOCKET_ERROR)
2366 *werror = mono_w32socket_get_last_error ();
2370 ves_icall_System_Net_Sockets_Socket_Shutdown_internal (gsize sock, gint32 how, gint32 *werror)
2373 gboolean interrupted;
2377 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2385 /* Currently, the values for how (recv=0, send=1, both=2) match the BSD API */
2386 ret = mono_w32socket_shutdown (sock, how);
2390 if (ret == SOCKET_ERROR)
2391 *werror = mono_w32socket_get_last_error ();
2393 mono_thread_info_uninstall_interrupt (&interrupted);
2401 ves_icall_System_Net_Sockets_Socket_IOControl_internal (gsize sock, gint32 code, MonoArray *input, MonoArray *output, gint32 *werror)
2403 glong output_bytes = 0;
2404 gchar *i_buffer, *o_buffer;
2410 if ((guint32)code == FIONBIO)
2411 /* Invalid command. Must use Socket.Blocking */
2414 if (input == NULL) {
2418 i_buffer = mono_array_addr (input, gchar, 0);
2419 i_len = mono_array_length (input);
2422 if (output == NULL) {
2426 o_buffer = mono_array_addr (output, gchar, 0);
2427 o_len = mono_array_length (output);
2432 ret = mono_w32socket_ioctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes);
2436 if (ret == SOCKET_ERROR) {
2437 *werror = mono_w32socket_get_last_error ();
2441 return (gint)output_bytes;
2445 addrinfo_add_string (MonoDomain *domain, const char *s, MonoArrayHandle arr, int index, MonoError *error)
2447 HANDLE_FUNCTION_ENTER ();
2449 MonoStringHandle str = mono_string_new_handle (domain, s, error);
2452 MONO_HANDLE_ARRAY_SETREF (arr, index, str);
2454 HANDLE_FUNCTION_RETURN_VAL (is_ok (error));
2459 addrinfo_add_local_ips (MonoDomain *domain, MonoArrayHandleOut h_addr_list, MonoError *error)
2461 HANDLE_FUNCTION_ENTER ();
2462 struct in_addr *local_in = NULL;
2464 struct in6_addr *local_in6 = NULL;
2469 local_in = (struct in_addr *) mono_get_local_interfaces (AF_INET, &nlocal_in);
2470 local_in6 = (struct in6_addr *) mono_get_local_interfaces (AF_INET6, &nlocal_in6);
2471 if (nlocal_in || nlocal_in6) {
2472 char addr [INET6_ADDRSTRLEN];
2473 MONO_HANDLE_ASSIGN (h_addr_list, mono_array_new_handle (domain, mono_get_string_class (), nlocal_in + nlocal_in6, error));
2480 for (i = 0; i < nlocal_in; i++) {
2482 mono_address_init (&maddr, AF_INET, &local_in [i]);
2483 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2484 if (!addrinfo_add_string (domain, addr, h_addr_list, addr_index, error))
2490 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2494 for (i = 0; i < nlocal_in6; i++) {
2496 mono_address_init (&maddr, AF_INET6, &local_in6 [i]);
2497 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2498 if (!addrinfo_add_string (domain, addr, h_addr_list, addr_index, error))
2510 HANDLE_FUNCTION_RETURN_VAL (addr_index);
2514 addrinfo_to_IPHostEntry_handles (MonoAddressInfo *info, MonoStringHandleOut h_name, MonoArrayHandleOut h_aliases, MonoArrayHandleOut h_addr_list, gboolean add_local_ips, MonoError *error)
2516 HANDLE_FUNCTION_ENTER ();
2517 MonoAddressEntry *ai = NULL;
2518 MonoDomain *domain = mono_domain_get ();
2521 MONO_HANDLE_ASSIGN (h_aliases, mono_array_new_handle (domain, mono_get_string_class (), 0, error));
2524 if (add_local_ips) {
2525 int addr_index = addrinfo_add_local_ips (domain, h_addr_list, error);
2533 for (ai = info->entries; ai != NULL; ai = ai->next) {
2534 if (ai->family != AF_INET && ai->family != AF_INET6)
2540 MONO_HANDLE_ASSIGN (h_addr_list, mono_array_new_handle (domain, mono_get_string_class (), count, error));
2544 gboolean name_assigned = FALSE;
2545 for (ai = info->entries; ai != NULL; ai = ai->next) {
2547 char buffer [INET6_ADDRSTRLEN]; /* Max. size for IPv6 */
2549 if ((ai->family != PF_INET) && (ai->family != PF_INET6))
2552 mono_address_init (&maddr, ai->family, &ai->address);
2553 const char *addr = NULL;
2554 if (mono_networking_addr_to_str (&maddr, buffer, sizeof (buffer)))
2558 if (!addrinfo_add_string (domain, addr, h_addr_list, addr_index, error))
2561 if (!name_assigned) {
2562 name_assigned = TRUE;
2563 const char *name = ai->canonical_name != NULL ? ai->canonical_name : buffer;
2564 MONO_HANDLE_ASSIGN (h_name, mono_string_new_handle (domain, name, error));
2574 mono_free_address_info (info);
2576 HANDLE_FUNCTION_RETURN_VAL (is_ok (error));
2580 ves_icall_System_Net_Dns_GetHostByName_internal (MonoStringHandle host, MonoStringHandleOut h_name, MonoArrayHandleOut h_aliases, MonoArrayHandleOut h_addr_list, gint32 hint, MonoError *error)
2582 gboolean add_local_ips = FALSE, add_info_ok = TRUE;
2583 gchar this_hostname [256];
2584 MonoAddressInfo *info = NULL;
2588 char *hostname = mono_string_handle_to_utf8 (host, error);
2589 return_val_if_nok (error, FALSE);
2591 if (*hostname == '\0') {
2592 add_local_ips = TRUE;
2593 MONO_HANDLE_ASSIGN (h_name, host);
2596 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2597 if (!strcmp (hostname, this_hostname)) {
2598 add_local_ips = TRUE;
2599 MONO_HANDLE_ASSIGN (h_name, host);
2604 // Win32 APIs already returns local interface addresses for empty hostname ("")
2605 // so we never want to add them manually.
2606 add_local_ips = FALSE;
2607 if (mono_get_address_info(hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2608 add_info_ok = FALSE;
2610 if (*hostname && mono_get_address_info (hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2611 add_info_ok = FALSE;
2617 MonoBoolean result = addrinfo_to_IPHostEntry_handles (info, h_name, h_aliases, h_addr_list, add_local_ips, error);
2624 ves_icall_System_Net_Dns_GetHostByAddr_internal (MonoStringHandle addr, MonoStringHandleOut h_name, MonoArrayHandleOut h_aliases, MonoArrayHandleOut h_addr_list, gint32 hint, MonoError *error)
2627 struct sockaddr_in saddr;
2628 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2629 struct sockaddr_in6 saddr6;
2631 MonoAddressInfo *info = NULL;
2633 gchar hostname [NI_MAXHOST] = { 0 };
2638 address = mono_string_handle_to_utf8 (addr, error);
2639 return_val_if_nok (error, FALSE);
2641 if (inet_pton (AF_INET, address, &saddr.sin_addr ) == 1) {
2643 saddr.sin_family = AF_INET;
2645 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2646 else if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) == 1) {
2648 saddr6.sin6_family = AF_INET6;
2662 #if HAVE_SOCKADDR_IN_SIN_LEN
2663 saddr.sin_len = sizeof (saddr);
2665 ret = getnameinfo ((struct sockaddr*)&saddr, sizeof (saddr), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2668 #ifdef HAVE_STRUCT_SOCKADDR_IN6
2670 #if HAVE_SOCKADDR_IN6_SIN_LEN
2671 saddr6.sin6_len = sizeof (saddr6);
2673 ret = getnameinfo ((struct sockaddr*)&saddr6, sizeof (saddr6), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2678 g_assert_not_reached ();
2686 if (mono_get_address_info (hostname, 0, hint | MONO_HINT_CANONICAL_NAME | MONO_HINT_CONFIGURED_ONLY, &info) != 0)
2689 MonoBoolean result = addrinfo_to_IPHostEntry_handles (info, h_name, h_aliases, h_addr_list, FALSE, error);
2694 ves_icall_System_Net_Dns_GetHostName_internal (MonoStringHandleOut h_name, MonoError *error)
2696 gchar hostname [NI_MAXHOST] = { 0 };
2701 ret = gethostname (hostname, sizeof (hostname));
2706 MONO_HANDLE_ASSIGN (h_name, mono_string_new_handle (mono_domain_get (), hostname, error));
2710 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
2712 ves_icall_System_Net_Sockets_Socket_SendFile_internal (gsize sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags, gint32 *werror, gboolean blocking)
2716 gboolean interrupted;
2717 TRANSMIT_FILE_BUFFERS buffers;
2721 if (filename == NULL)
2724 /* FIXME: replace file by a proper fd that we can call open and close on, as they are interruptible */
2726 file = mono_w32file_create (mono_string_chars (filename), GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, 0);
2727 if (file == INVALID_HANDLE_VALUE) {
2728 *werror = mono_w32error_get_last ();
2732 memset (&buffers, 0, sizeof (buffers));
2733 if (pre_buffer != NULL) {
2734 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
2735 buffers.HeadLength = mono_array_length (pre_buffer);
2737 if (post_buffer != NULL) {
2738 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
2739 buffers.TailLength = mono_array_length (post_buffer);
2742 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2744 mono_w32file_close (file);
2745 mono_w32error_set_last (WSAEINTR);
2750 ret = mono_w32socket_transmit_file (sock, file, &buffers, flags, blocking);
2754 *werror = mono_w32socket_get_last_error ();
2756 mono_thread_info_uninstall_interrupt (&interrupted);
2758 mono_w32file_close (file);
2763 mono_w32file_close (file);
2770 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
2773 mono_network_init (void)
2775 mono_networking_init ();
2776 mono_w32socket_initialize ();
2780 mono_network_cleanup (void)
2782 mono_w32socket_cleanup ();
2783 mono_networking_shutdown ();
2787 icall_cancel_blocking_socket_operation (MonoThread *thread)
2789 MonoInternalThread *internal;
2791 internal = thread->internal_thread;
2792 g_assert (internal);
2794 mono_thread_info_abort_socket_syscall_for_close (MONO_UINT_TO_NATIVE_THREAD_ID (internal->tid));
2797 #endif /* #ifndef DISABLE_SOCKETS */