3 * Socket IO internal calls
6 * Dick Porter (dick@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
12 * This file has been re-licensed under the MIT License:
13 * http://opensource.org/licenses/MIT
14 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
19 #ifndef DISABLE_SOCKETS
21 #if defined(__APPLE__) || defined(__FreeBSD__)
22 #define __APPLE_USE_RFC_3542
31 #include <sys/socket.h>
32 #ifdef HAVE_SYS_IOCTL_H
33 #include <sys/ioctl.h>
35 #include <netinet/in.h>
36 #include <netinet/tcp.h>
40 #include <arpa/inet.h>
47 #include <sys/types.h>
49 #include <mono/metadata/object.h>
50 #include <mono/metadata/exception.h>
51 #include <mono/metadata/assembly-internals.h>
52 #include <mono/metadata/appdomain.h>
53 #include <mono/metadata/w32file.h>
54 #include <mono/metadata/threads.h>
55 #include <mono/metadata/threads-types.h>
56 #include <mono/metadata/threadpool-io.h>
57 #include <mono/utils/mono-poll.h>
58 /* FIXME change this code to not mess so much with the internals */
59 #include <mono/metadata/class-internals.h>
60 #include <mono/metadata/domain-internals.h>
61 #include <mono/utils/mono-threads.h>
62 #include <mono/utils/mono-memory-model.h>
63 #include <mono/utils/networking.h>
64 #include <mono/metadata/w32handle.h>
65 #include <mono/metadata/w32socket.h>
66 #include <mono/metadata/w32socket-internals.h>
67 #include <mono/metadata/w32error.h>
70 #ifdef HAVE_SYS_TIME_H
73 #ifdef HAVE_SYS_IOCTL_H
74 #include <sys/ioctl.h>
83 #ifdef HAVE_SYS_FILIO_H
84 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
86 #ifdef HAVE_SYS_SOCKIO_H
87 #include <sys/sockio.h> /* defines SIOCATMARK */
93 #ifdef HAVE_GETIFADDRS
94 // <net/if.h> must be included before <ifaddrs.h>
98 #if defined(_MSC_VER) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
102 #define LOGDEBUG(...)
103 /* define LOGDEBUG(...) g_message(__VA_ARGS__) */
108 mono_w32socket_socket (int domain, int type, int protocol)
110 return WSASocket (domain, type, protocol, NULL, 0, WSA_FLAG_OVERLAPPED);
114 mono_w32socket_bind (SOCKET sock, struct sockaddr *addr, socklen_t addrlen)
116 return bind (sock, addr, addrlen);
120 mono_w32socket_getpeername (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
122 return getpeername (sock, name, namelen);
126 mono_w32socket_getsockname (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
128 return getsockname (sock, name, namelen);
132 mono_w32socket_getsockopt (SOCKET sock, gint level, gint optname, gpointer optval, socklen_t *optlen)
134 return getsockopt (sock, level, optname, optval, optlen);
138 mono_w32socket_setsockopt (SOCKET sock, gint level, gint optname, const gpointer optval, socklen_t optlen)
140 return setsockopt (sock, level, optname, optval, optlen);
144 mono_w32socket_listen (SOCKET sock, gint backlog)
146 return listen (sock, backlog);
150 mono_w32socket_shutdown (SOCKET sock, gint how)
152 return shutdown (sock, how);
156 mono_w32socket_ioctl (SOCKET sock, gint32 command, gchar *input, gint inputlen, gchar *output, gint outputlen, glong *written)
158 return WSAIoctl (sock, command, input, inputlen, output, outputlen, written, NULL, NULL);
162 mono_w32socket_close (SOCKET sock)
164 return CloseHandle (sock);
167 #endif /* HOST_WIN32 */
170 abort_syscall (gpointer data)
172 mono_thread_info_abort_socket_syscall_for_close ((MonoNativeThreadId) (gsize) data);
176 convert_family (MonoAddressFamily mono_family)
178 switch (mono_family) {
179 case AddressFamily_Unknown:
180 case AddressFamily_ImpLink:
181 case AddressFamily_Pup:
182 case AddressFamily_Chaos:
183 case AddressFamily_Iso:
184 case AddressFamily_Ecma:
185 case AddressFamily_DataKit:
186 case AddressFamily_Ccitt:
187 case AddressFamily_DataLink:
188 case AddressFamily_Lat:
189 case AddressFamily_HyperChannel:
190 case AddressFamily_NetBios:
191 case AddressFamily_VoiceView:
192 case AddressFamily_FireFox:
193 case AddressFamily_Banyan:
194 case AddressFamily_Atm:
195 case AddressFamily_Cluster:
196 case AddressFamily_Ieee12844:
197 case AddressFamily_NetworkDesigners:
198 g_warning ("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
200 case AddressFamily_Unspecified:
202 case AddressFamily_Unix:
204 case AddressFamily_InterNetwork:
206 case AddressFamily_AppleTalk:
208 case AddressFamily_InterNetworkV6:
210 case AddressFamily_DecNet:
216 case AddressFamily_Ipx:
222 case AddressFamily_Sna:
228 case AddressFamily_Irda:
235 g_warning ("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
240 static MonoAddressFamily
241 convert_to_mono_family (guint16 af_family)
245 return AddressFamily_Unspecified;
247 return AddressFamily_Unix;
249 return AddressFamily_InterNetwork;
252 return AddressFamily_Ipx;
256 return AddressFamily_Sna;
260 return AddressFamily_DecNet;
263 return AddressFamily_AppleTalk;
265 return AddressFamily_InterNetworkV6;
268 return AddressFamily_Irda;
271 g_warning ("unknown address family 0x%x", af_family);
272 return AddressFamily_Unknown;
277 convert_type (MonoSocketType mono_type)
280 case SocketType_Stream:
282 case SocketType_Dgram:
292 case SocketType_Seqpacket:
293 return SOCK_SEQPACKET;
294 case SocketType_Unknown:
295 g_warning ("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
298 g_warning ("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
304 convert_proto (MonoProtocolType mono_proto)
306 switch (mono_proto) {
307 case ProtocolType_IP:
308 case ProtocolType_IPv6:
309 case ProtocolType_Icmp:
310 case ProtocolType_Igmp:
311 case ProtocolType_Ggp:
312 case ProtocolType_Tcp:
313 case ProtocolType_Pup:
314 case ProtocolType_Udp:
315 case ProtocolType_Idp:
316 /* These protocols are known (on my system at least) */
318 case ProtocolType_ND:
319 case ProtocolType_Raw:
320 case ProtocolType_Ipx:
321 case ProtocolType_Spx:
322 case ProtocolType_SpxII:
323 case ProtocolType_Unknown:
324 /* These protocols arent */
325 g_warning ("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
332 /* Convert MonoSocketFlags */
334 convert_socketflags (gint32 sflags)
339 /* SocketFlags.None */
342 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
343 SocketFlags_DontRoute | SocketFlags_Partial))
344 /* Contains invalid flag values */
347 if (sflags & SocketFlags_OutOfBand)
349 if (sflags & SocketFlags_Peek)
351 if (sflags & SocketFlags_DontRoute)
352 flags |= MSG_DONTROUTE;
354 /* Ignore Partial - see bug 349688. Don't return -1, because
355 * according to the comment in that bug ms runtime doesn't for
356 * UDP sockets (this means we will silently ignore it for TCP
360 if (sflags & SocketFlags_Partial)
364 /* Don't do anything for MaxIOVectorLength */
365 if (sflags & SocketFlags_MaxIOVectorLength)
373 * 0 on success (mapped mono_level and mono_name to system_level and system_name
375 * -2 on non-fatal error (ie, must ignore)
378 convert_sockopt_level_and_name (MonoSocketOptionLevel mono_level, MonoSocketOptionName mono_name, int *system_level, int *system_name)
380 switch (mono_level) {
381 case SocketOptionLevel_Socket:
382 *system_level = SOL_SOCKET;
385 case SocketOptionName_DontLinger:
386 /* This is SO_LINGER, because the setsockopt
387 * internal call maps DontLinger to SO_LINGER
390 *system_name = SO_LINGER;
392 case SocketOptionName_Debug:
393 *system_name = SO_DEBUG;
396 case SocketOptionName_AcceptConnection:
397 *system_name = SO_ACCEPTCONN;
400 case SocketOptionName_ReuseAddress:
401 *system_name = SO_REUSEADDR;
403 case SocketOptionName_KeepAlive:
404 *system_name = SO_KEEPALIVE;
406 case SocketOptionName_DontRoute:
407 *system_name = SO_DONTROUTE;
409 case SocketOptionName_Broadcast:
410 *system_name = SO_BROADCAST;
412 case SocketOptionName_Linger:
413 *system_name = SO_LINGER;
415 case SocketOptionName_OutOfBandInline:
416 *system_name = SO_OOBINLINE;
418 case SocketOptionName_SendBuffer:
419 *system_name = SO_SNDBUF;
421 case SocketOptionName_ReceiveBuffer:
422 *system_name = SO_RCVBUF;
424 case SocketOptionName_SendLowWater:
425 *system_name = SO_SNDLOWAT;
427 case SocketOptionName_ReceiveLowWater:
428 *system_name = SO_RCVLOWAT;
430 case SocketOptionName_SendTimeout:
431 *system_name = SO_SNDTIMEO;
433 case SocketOptionName_ReceiveTimeout:
434 *system_name = SO_RCVTIMEO;
436 case SocketOptionName_Error:
437 *system_name = SO_ERROR;
439 case SocketOptionName_Type:
440 *system_name = SO_TYPE;
443 case SocketOptionName_PeerCred:
444 *system_name = SO_PEERCRED;
447 case SocketOptionName_ExclusiveAddressUse:
448 #ifdef SO_EXCLUSIVEADDRUSE
449 *system_name = SO_EXCLUSIVEADDRUSE;
452 case SocketOptionName_UseLoopback:
453 #ifdef SO_USELOOPBACK
454 *system_name = SO_USELOOPBACK;
457 case SocketOptionName_MaxConnections:
459 *system_name = SO_MAXCONN;
461 #elif defined(SOMAXCONN)
462 *system_name = SOMAXCONN;
466 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
471 case SocketOptionLevel_IP:
472 *system_level = mono_networking_get_ip_protocol ();
475 case SocketOptionName_IPOptions:
476 *system_name = IP_OPTIONS;
479 case SocketOptionName_HeaderIncluded:
480 *system_name = IP_HDRINCL;
484 case SocketOptionName_TypeOfService:
485 *system_name = IP_TOS;
489 case SocketOptionName_IpTimeToLive:
490 *system_name = IP_TTL;
493 case SocketOptionName_MulticastInterface:
494 *system_name = IP_MULTICAST_IF;
496 case SocketOptionName_MulticastTimeToLive:
497 *system_name = IP_MULTICAST_TTL;
499 case SocketOptionName_MulticastLoopback:
500 *system_name = IP_MULTICAST_LOOP;
502 case SocketOptionName_AddMembership:
503 *system_name = IP_ADD_MEMBERSHIP;
505 case SocketOptionName_DropMembership:
506 *system_name = IP_DROP_MEMBERSHIP;
508 #ifdef HAVE_IP_PKTINFO
509 case SocketOptionName_PacketInformation:
510 *system_name = IP_PKTINFO;
512 #endif /* HAVE_IP_PKTINFO */
514 case SocketOptionName_DontFragment:
515 #ifdef HAVE_IP_DONTFRAGMENT
516 *system_name = IP_DONTFRAGMENT;
518 #elif defined HAVE_IP_MTU_DISCOVER
519 /* Not quite the same */
520 *system_name = IP_MTU_DISCOVER;
523 /* If the flag is not available on this system, we can ignore this error */
525 #endif /* HAVE_IP_DONTFRAGMENT */
526 case SocketOptionName_AddSourceMembership:
527 case SocketOptionName_DropSourceMembership:
528 case SocketOptionName_BlockSource:
529 case SocketOptionName_UnblockSource:
530 /* Can't figure out how to map these, so fall
534 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
539 case SocketOptionLevel_IPv6:
540 *system_level = mono_networking_get_ipv6_protocol ();
543 case SocketOptionName_IpTimeToLive:
544 case SocketOptionName_HopLimit:
545 *system_name = IPV6_UNICAST_HOPS;
547 case SocketOptionName_MulticastInterface:
548 *system_name = IPV6_MULTICAST_IF;
550 case SocketOptionName_MulticastTimeToLive:
551 *system_name = IPV6_MULTICAST_HOPS;
553 case SocketOptionName_MulticastLoopback:
554 *system_name = IPV6_MULTICAST_LOOP;
556 case SocketOptionName_AddMembership:
557 *system_name = IPV6_JOIN_GROUP;
559 case SocketOptionName_DropMembership:
560 *system_name = IPV6_LEAVE_GROUP;
562 case SocketOptionName_IPv6Only:
564 *system_name = IPV6_V6ONLY;
569 case SocketOptionName_PacketInformation:
570 #ifdef HAVE_IPV6_PKTINFO
571 *system_name = IPV6_PKTINFO;
574 case SocketOptionName_HeaderIncluded:
575 case SocketOptionName_IPOptions:
576 case SocketOptionName_TypeOfService:
577 case SocketOptionName_DontFragment:
578 case SocketOptionName_AddSourceMembership:
579 case SocketOptionName_DropSourceMembership:
580 case SocketOptionName_BlockSource:
581 case SocketOptionName_UnblockSource:
582 /* Can't figure out how to map these, so fall
586 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
589 break; /* SocketOptionLevel_IPv6 */
591 case SocketOptionLevel_Tcp:
592 *system_level = mono_networking_get_tcp_protocol ();
595 case SocketOptionName_NoDelay:
596 *system_name = TCP_NODELAY;
599 /* The documentation is talking complete
600 * bollocks here: rfc-1222 is titled
601 * 'Advancing the NSFNET Routing Architecture'
602 * and doesn't mention either of the words
603 * "expedite" or "urgent".
605 case SocketOptionName_BsdUrgent:
606 case SocketOptionName_Expedited:
609 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
614 case SocketOptionLevel_Udp:
615 g_warning ("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
618 case SocketOptionName_NoChecksum:
619 case SocketOptionName_ChecksumCoverage:
621 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
628 g_warning ("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
636 get_socket_assembly (void)
638 MonoDomain *domain = mono_domain_get ();
640 if (domain->socket_assembly == NULL) {
641 MonoImage *socket_assembly;
643 socket_assembly = mono_image_loaded ("System");
644 if (!socket_assembly) {
645 MonoAssembly *sa = mono_assembly_open_predicate ("System.dll", FALSE, FALSE, NULL, NULL, NULL);
648 g_assert_not_reached ();
650 socket_assembly = mono_assembly_get_image (sa);
653 mono_atomic_store_release (&domain->socket_assembly, socket_assembly);
656 return domain->socket_assembly;
660 ves_icall_System_Net_Sockets_Socket_Socket_internal (MonoObject *this_obj, gint32 family, gint32 type, gint32 proto, gint32 *werror)
669 sock_family = convert_family ((MonoAddressFamily)family);
670 if (sock_family == -1) {
671 *werror = WSAEAFNOSUPPORT;
675 sock_proto = convert_proto ((MonoProtocolType)proto);
676 if (sock_proto == -1) {
677 *werror = WSAEPROTONOSUPPORT;
681 sock_type = convert_type ((MonoSocketType)type);
682 if (sock_type == -1) {
683 *werror = WSAESOCKTNOSUPPORT;
687 sock = mono_w32socket_socket (sock_family, sock_type, sock_proto);
689 if (sock == INVALID_SOCKET) {
690 *werror = mono_w32socket_get_last_error ();
694 return GUINT_TO_POINTER (sock);
697 /* FIXME: the SOCKET parameter (here and in other functions in this
698 * file) is really an IntPtr which needs to be converted to a guint32.
701 ves_icall_System_Net_Sockets_Socket_Close_internal (gsize sock, gint32 *werror)
703 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
707 /* Clear any pending work item from this socket if the underlying
708 * polling system does not notify when the socket is closed */
709 mono_threadpool_io_remove_socket (GPOINTER_TO_INT (sock));
712 mono_w32socket_close ((SOCKET) sock);
717 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal (void)
719 LOGDEBUG (g_message("%s: returning %d", __func__, mono_w32socket_get_last_error ()));
721 return mono_w32socket_get_last_error ();
725 ves_icall_System_Net_Sockets_Socket_Available_internal (gsize sock, gint32 *werror)
732 /* FIXME: this might require amount to be unsigned long. */
733 ret = mono_w32socket_get_available (sock, &amount);
734 if (ret == SOCKET_ERROR) {
735 *werror = mono_w32socket_get_last_error ();
743 ves_icall_System_Net_Sockets_Socket_Blocking_internal (gsize sock, gboolean block, gint32 *werror)
749 ret = mono_w32socket_set_blocking (sock, block);
750 if (ret == SOCKET_ERROR)
751 *werror = mono_w32socket_get_last_error ();
755 ves_icall_System_Net_Sockets_Socket_Accept_internal (gsize sock, gint32 *werror, gboolean blocking)
757 gboolean interrupted;
762 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
769 newsock = mono_w32socket_accept (sock, NULL, 0, blocking);
772 if (newsock == INVALID_SOCKET)
773 *werror = mono_w32socket_get_last_error ();
775 mono_thread_info_uninstall_interrupt (&interrupted);
782 return GUINT_TO_POINTER (newsock);
786 ves_icall_System_Net_Sockets_Socket_Listen_internal(gsize sock, guint32 backlog, gint32 *werror)
794 ret = mono_w32socket_listen (sock, backlog);
798 if (ret == SOCKET_ERROR)
799 *werror = mono_w32socket_get_last_error ();
802 // Check whether it's ::ffff::0:0.
804 is_ipv4_mapped_any (const struct in6_addr *addr)
808 for (i = 0; i < 10; i++) {
809 if (addr->s6_addr [i])
812 if ((addr->s6_addr [10] != 0xff) || (addr->s6_addr [11] != 0xff))
814 for (i = 12; i < 16; i++) {
815 if (addr->s6_addr [i])
822 create_object_from_sockaddr (struct sockaddr *saddr, int sa_size, gint32 *werror, MonoError *error)
824 MonoDomain *domain = mono_domain_get ();
825 MonoObject *sockaddr_obj;
827 MonoAddressFamily family;
831 /* Build a System.Net.SocketAddress object instance */
832 if (!domain->sockaddr_class)
833 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
834 sockaddr_obj = mono_object_new_checked (domain, domain->sockaddr_class, error);
835 return_val_if_nok (error, NULL);
837 /* Locate the SocketAddress data buffer in the object */
838 if (!domain->sockaddr_data_field) {
839 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
840 g_assert (domain->sockaddr_data_field);
843 /* Locate the SocketAddress data buffer length in the object */
844 if (!domain->sockaddr_data_length_field) {
845 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
846 g_assert (domain->sockaddr_data_length_field);
849 /* May be the +2 here is too conservative, as sa_len returns
850 * the length of the entire sockaddr_in/in6, including
851 * sizeof (unsigned short) of the family */
852 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
853 data = mono_array_new_cached (domain, mono_get_byte_class (), sa_size + 2, error);
854 return_val_if_nok (error, NULL);
856 /* The data buffer is laid out as follows:
857 * bytes 0 and 1 are the address family
858 * bytes 2 and 3 are the port info
859 * the rest is the address info
862 family = convert_to_mono_family (saddr->sa_family);
863 if (family == AddressFamily_Unknown) {
864 *werror = WSAEAFNOSUPPORT;
868 mono_array_set (data, guint8, 0, family & 0x0FF);
869 mono_array_set (data, guint8, 1, (family >> 8) & 0x0FF);
871 if (saddr->sa_family == AF_INET) {
872 struct sockaddr_in *sa_in = (struct sockaddr_in *)saddr;
873 guint16 port = ntohs (sa_in->sin_port);
874 guint32 address = ntohl (sa_in->sin_addr.s_addr);
877 if (sa_size < buffer_size) {
878 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
882 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
883 mono_array_set (data, guint8, 3, (port) & 0xff);
884 mono_array_set (data, guint8, 4, (address>>24) & 0xff);
885 mono_array_set (data, guint8, 5, (address>>16) & 0xff);
886 mono_array_set (data, guint8, 6, (address>>8) & 0xff);
887 mono_array_set (data, guint8, 7, (address) & 0xff);
889 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
890 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
893 } else if (saddr->sa_family == AF_INET6) {
894 struct sockaddr_in6 *sa_in = (struct sockaddr_in6 *)saddr;
896 int buffer_size = 28;
898 guint16 port = ntohs (sa_in->sin6_port);
900 if (sa_size < buffer_size) {
901 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
905 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
906 mono_array_set (data, guint8, 3, (port) & 0xff);
908 if (is_ipv4_mapped_any (&sa_in->sin6_addr)) {
909 // Map ::ffff:0:0 to :: (bug #5502)
910 for (i = 0; i < 16; i++)
911 mono_array_set (data, guint8, 8 + i, 0);
913 for (i = 0; i < 16; i++) {
914 mono_array_set (data, guint8, 8 + i,
915 sa_in->sin6_addr.s6_addr [i]);
919 mono_array_set (data, guint8, 24, sa_in->sin6_scope_id & 0xff);
920 mono_array_set (data, guint8, 25,
921 (sa_in->sin6_scope_id >> 8) & 0xff);
922 mono_array_set (data, guint8, 26,
923 (sa_in->sin6_scope_id >> 16) & 0xff);
924 mono_array_set (data, guint8, 27,
925 (sa_in->sin6_scope_id >> 24) & 0xff);
927 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
928 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
933 else if (saddr->sa_family == AF_UNIX) {
935 int buffer_size = sa_size + 2;
937 for (i = 0; i < sa_size; i++)
938 mono_array_set (data, guint8, i + 2, saddr->sa_data [i]);
940 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
941 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
947 *werror = WSAEAFNOSUPPORT;
953 get_sockaddr_size (int family)
958 if (family == AF_INET) {
959 size = sizeof (struct sockaddr_in);
960 } else if (family == AF_INET6) {
961 size = sizeof (struct sockaddr_in6);
964 else if (family == AF_UNIX) {
965 size = sizeof (struct sockaddr_un);
972 ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
982 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
984 *werror = WSAEAFNOSUPPORT;
987 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
991 ret = mono_w32socket_getsockname (sock, (struct sockaddr *)sa, &salen);
995 if (ret == SOCKET_ERROR) {
996 *werror = mono_w32socket_get_last_error ();
1002 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)));
1004 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1007 if (!mono_error_ok (&error))
1008 mono_error_set_pending_exception (&error);
1013 ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
1023 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1025 *werror = WSAEAFNOSUPPORT;
1028 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1029 /* Note: linux returns just 2 for AF_UNIX. Always. */
1033 ret = mono_w32socket_getpeername (sock, (struct sockaddr *)sa, &salen);
1037 if (ret == SOCKET_ERROR) {
1038 *werror = mono_w32socket_get_last_error ();
1044 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)));
1046 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1049 if (!mono_error_ok (&error))
1050 mono_error_set_pending_exception (&error);
1054 static struct sockaddr*
1055 create_sockaddr_from_object (MonoObject *saddr_obj, socklen_t *sa_size, gint32 *werror, MonoError *error)
1057 MonoDomain *domain = mono_domain_get ();
1064 if (!domain->sockaddr_class)
1065 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
1067 /* Locate the SocketAddress data buffer in the object */
1068 if (!domain->sockaddr_data_field) {
1069 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
1070 g_assert (domain->sockaddr_data_field);
1073 /* Locate the SocketAddress data buffer length in the object */
1074 if (!domain->sockaddr_data_length_field) {
1075 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
1076 g_assert (domain->sockaddr_data_length_field);
1079 data = *(MonoArray **)(((char *)saddr_obj) + domain->sockaddr_data_field->offset);
1081 /* The data buffer is laid out as follows:
1082 * byte 0 is the address family low byte
1083 * byte 1 is the address family high byte
1085 * bytes 2 and 3 are the port info
1086 * the rest is the address info
1088 * the rest is the file name
1090 len = *(int *)(((char *)saddr_obj) + domain->sockaddr_data_length_field->offset);
1091 g_assert (len >= 2);
1093 family = convert_family ((MonoAddressFamily)(mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8)));
1094 if (family == AF_INET) {
1095 struct sockaddr_in *sa;
1100 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1104 sa = g_new0 (struct sockaddr_in, 1);
1105 port = (mono_array_get (data, guint8, 2) << 8) +
1106 mono_array_get (data, guint8, 3);
1107 address = (mono_array_get (data, guint8, 4) << 24) +
1108 (mono_array_get (data, guint8, 5) << 16 ) +
1109 (mono_array_get (data, guint8, 6) << 8) +
1110 mono_array_get (data, guint8, 7);
1112 sa->sin_family = family;
1113 sa->sin_addr.s_addr = htonl (address);
1114 sa->sin_port = htons (port);
1116 *sa_size = sizeof (struct sockaddr_in);
1117 return (struct sockaddr *)sa;
1118 } else if (family == AF_INET6) {
1119 struct sockaddr_in6 *sa;
1125 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1129 sa = g_new0 (struct sockaddr_in6, 1);
1130 port = mono_array_get (data, guint8, 3) +
1131 (mono_array_get (data, guint8, 2) << 8);
1132 scopeid = mono_array_get (data, guint8, 24) +
1133 (mono_array_get (data, guint8, 25) << 8) +
1134 (mono_array_get (data, guint8, 26) << 16) +
1135 (mono_array_get (data, guint8, 27) << 24);
1137 sa->sin6_family = family;
1138 sa->sin6_port = htons (port);
1139 sa->sin6_scope_id = scopeid;
1141 for (i = 0; i < 16; i++)
1142 sa->sin6_addr.s6_addr [i] = mono_array_get (data, guint8, 8 + i);
1144 *sa_size = sizeof (struct sockaddr_in6);
1145 return (struct sockaddr *)sa;
1147 #ifdef HAVE_SYS_UN_H
1148 else if (family == AF_UNIX) {
1149 struct sockaddr_un *sock_un;
1152 /* Need a byte for the '\0' terminator/prefix, and the first
1153 * two bytes hold the SocketAddress family
1155 if (len - 2 >= sizeof (sock_un->sun_path)) {
1156 mono_error_set_exception_instance (error, mono_get_exception_index_out_of_range ());
1160 sock_un = g_new0 (struct sockaddr_un, 1);
1162 sock_un->sun_family = family;
1163 for (i = 0; i < len - 2; i++)
1164 sock_un->sun_path [i] = mono_array_get (data, guint8, i + 2);
1167 return (struct sockaddr *)sock_un;
1171 *werror = WSAEAFNOSUPPORT;
1177 ves_icall_System_Net_Sockets_Socket_Bind_internal (gsize sock, MonoObject *sockaddr, gint32 *werror)
1180 struct sockaddr *sa;
1186 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1189 if (!mono_error_ok (&error)) {
1190 mono_error_set_pending_exception (&error);
1194 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)));
1196 ret = mono_w32socket_bind (sock, sa, sa_size);
1198 if (ret == SOCKET_ERROR)
1199 *werror = mono_w32socket_get_last_error ();
1211 ves_icall_System_Net_Sockets_Socket_Poll_internal (gsize sock, gint mode,
1212 gint timeout, gint32 *werror)
1214 MonoInternalThread *thread = mono_thread_internal_current ();
1217 gboolean interrupted;
1222 pfds = g_new0 (mono_pollfd, 1);
1223 pfds->fd = GPOINTER_TO_INT (sock);
1226 case SelectModeRead:
1227 pfds->events = MONO_POLLIN;
1229 case SelectModeWrite:
1230 pfds->events = MONO_POLLOUT;
1233 pfds->events = MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL;
1237 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1238 start = time (NULL);
1241 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1250 ret = mono_poll (pfds, 1, timeout);
1254 mono_thread_info_uninstall_interrupt (&interrupted);
1261 if (timeout > 0 && ret < 0) {
1263 int sec = time (NULL) - start;
1265 timeout -= sec * 1000;
1273 if (ret == -1 && errno == EINTR) {
1274 if (mono_thread_test_state (thread, ThreadState_AbortRequested)) {
1279 /* Suspend requested? */
1280 mono_thread_interruption_checkpoint ();
1284 } while (ret == -1 && errno == EINTR);
1287 *werror = mono_w32socket_convert_error (errno);
1297 ves_icall_System_Net_Sockets_Socket_Connect_internal (gsize sock, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1300 struct sockaddr *sa;
1303 gboolean interrupted;
1307 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1310 if (!mono_error_ok (&error)) {
1311 mono_error_set_pending_exception (&error);
1315 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)));
1317 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1324 ret = mono_w32socket_connect (sock, sa, sa_size, blocking);
1327 if (ret == SOCKET_ERROR)
1328 *werror = mono_w32socket_get_last_error ();
1330 mono_thread_info_uninstall_interrupt (&interrupted);
1337 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
1340 ves_icall_System_Net_Sockets_Socket_Disconnect_internal (gsize sock, MonoBoolean reuse, gint32 *werror)
1342 gboolean interrupted;
1344 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1346 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1353 *werror = mono_w32socket_disconnect (sock, reuse);
1356 mono_thread_info_uninstall_interrupt (&interrupted);
1360 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
1363 ves_icall_System_Net_Sockets_Socket_Receive_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1369 gboolean interrupted;
1370 MonoInternalThread* curthread G_GNUC_UNUSED = mono_thread_internal_current ();
1374 alen = mono_array_length (buffer);
1375 if (offset > alen - count)
1378 buf = mono_array_addr (buffer, gchar, offset);
1380 recvflags = convert_socketflags (flags);
1381 if (recvflags == -1) {
1382 *werror = WSAEOPNOTSUPP;
1386 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1391 ret = mono_w32socket_recv (sock, buf, count, recvflags, blocking);
1394 if (ret == SOCKET_ERROR)
1395 *werror = mono_w32socket_get_last_error ();
1397 mono_thread_info_uninstall_interrupt (&interrupted);
1408 ves_icall_System_Net_Sockets_Socket_Receive_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1411 gboolean interrupted;
1414 guint32 recvflags = 0;
1418 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1419 count = mono_array_length (buffers);
1421 recvflags = convert_socketflags (flags);
1422 if (recvflags == -1) {
1423 *werror = WSAEOPNOTSUPP;
1427 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1434 ret = mono_w32socket_recvbuffers (sock, wsabufs, count, &recv, &recvflags, NULL, NULL, blocking);
1437 if (ret == SOCKET_ERROR)
1438 *werror = mono_w32socket_get_last_error ();
1440 mono_thread_info_uninstall_interrupt (&interrupted);
1451 ves_icall_System_Net_Sockets_Socket_ReceiveFrom_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *werror, gboolean blocking)
1458 struct sockaddr *sa;
1460 gboolean interrupted;
1464 alen = mono_array_length (buffer);
1465 if (offset > alen - count)
1468 sa = create_sockaddr_from_object (*sockaddr, &sa_size, werror, &error);
1471 if (!mono_error_ok (&error)) {
1472 mono_error_set_pending_exception (&error);
1476 buf = mono_array_addr (buffer, gchar, offset);
1478 recvflags = convert_socketflags (flags);
1479 if (recvflags == -1) {
1480 *werror = WSAEOPNOTSUPP;
1484 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1492 ret = mono_w32socket_recvfrom (sock, buf, count, recvflags, sa, &sa_size, blocking);
1495 if (ret == SOCKET_ERROR)
1496 *werror = mono_w32socket_get_last_error ();
1498 mono_thread_info_uninstall_interrupt (&interrupted);
1508 /* If we didn't get a socket size, then we're probably a
1509 * connected connection-oriented socket and the stack hasn't
1510 * returned the remote address. All we can do is return null.
1513 *sockaddr = create_object_from_sockaddr (sa, sa_size, werror, &error);
1514 if (!mono_error_ok (&error)) {
1515 mono_error_set_pending_exception (&error);
1529 ves_icall_System_Net_Sockets_Socket_Send_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1535 gboolean interrupted;
1539 alen = mono_array_length (buffer);
1540 if (offset > alen - count)
1543 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1545 buf = mono_array_addr (buffer, gchar, offset);
1547 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1549 sendflags = convert_socketflags (flags);
1550 if (sendflags == -1) {
1551 *werror = WSAEOPNOTSUPP;
1555 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1562 ret = mono_w32socket_send (sock, buf, count, sendflags, blocking);
1565 if (ret == SOCKET_ERROR)
1566 *werror = mono_w32socket_get_last_error ();
1568 mono_thread_info_uninstall_interrupt (&interrupted);
1579 ves_icall_System_Net_Sockets_Socket_Send_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1584 guint32 sendflags = 0;
1585 gboolean interrupted;
1589 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1590 count = mono_array_length (buffers);
1592 sendflags = convert_socketflags (flags);
1593 if (sendflags == -1) {
1594 *werror = WSAEOPNOTSUPP;
1598 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1605 ret = mono_w32socket_sendbuffers (sock, wsabufs, count, &sent, sendflags, NULL, NULL, blocking);
1608 if (ret == SOCKET_ERROR)
1609 *werror = mono_w32socket_get_last_error ();
1611 mono_thread_info_uninstall_interrupt (&interrupted);
1622 ves_icall_System_Net_Sockets_Socket_SendTo_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1629 struct sockaddr *sa;
1631 gboolean interrupted;
1635 alen = mono_array_length (buffer);
1636 if (offset > alen - count) {
1640 sa = create_sockaddr_from_object(sockaddr, &sa_size, werror, &error);
1643 if (!mono_error_ok (&error)) {
1644 mono_error_set_pending_exception (&error);
1648 LOGDEBUG (g_message ("%s: alen: %d", __func__, alen));
1650 buf = mono_array_addr (buffer, gchar, offset);
1652 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1654 sendflags = convert_socketflags (flags);
1655 if (sendflags == -1) {
1657 *werror = WSAEOPNOTSUPP;
1661 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1669 ret = mono_w32socket_sendto (sock, buf, count, sendflags, sa, sa_size, blocking);
1672 if (ret == SOCKET_ERROR)
1673 *werror = mono_w32socket_get_last_error ();
1675 mono_thread_info_uninstall_interrupt (&interrupted);
1688 Socket_to_SOCKET (MonoObject *sockobj)
1690 MonoSafeHandle *safe_handle;
1691 MonoClassField *field;
1693 field = mono_class_get_field_from_name (sockobj->vtable->klass, "m_Handle");
1694 safe_handle = ((MonoSafeHandle *)(*(gpointer *)(((char *)sockobj) + field->offset)));
1696 if (safe_handle == NULL)
1699 return (SOCKET)safe_handle->handle;
1702 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1705 ves_icall_System_Net_Sockets_Socket_Select_internal (MonoArray **sockets, gint32 timeout, gint32 *werror)
1708 MonoInternalThread *thread = mono_thread_internal_current ();
1715 MonoClass *sock_arr_class;
1718 uintptr_t socks_size;
1719 gboolean interrupted;
1723 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1724 count = mono_array_length (*sockets);
1725 nfds = count - 3; /* NULL separators */
1726 pfds = g_new0 (mono_pollfd, nfds);
1728 for (i = 0; i < count; i++) {
1729 obj = mono_array_get (*sockets, MonoObject *, i);
1736 /* The socket array was bogus */
1738 *werror = WSAEFAULT;
1742 pfds [idx].fd = Socket_to_SOCKET (obj);
1743 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1747 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1748 start = time (NULL);
1750 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1759 ret = mono_poll (pfds, nfds, timeout);
1763 mono_thread_info_uninstall_interrupt (&interrupted);
1770 if (timeout > 0 && ret < 0) {
1772 int sec = time (NULL) - start;
1774 timeout -= sec * 1000;
1780 if (ret == -1 && errno == EINTR) {
1781 if (mono_thread_test_state (thread, ThreadState_AbortRequested)) {
1787 /* Suspend requested? */
1788 mono_thread_interruption_checkpoint ();
1792 } while (ret == -1 && errno == EINTR);
1795 *werror = mono_w32socket_convert_error (errno);
1806 sock_arr_class = ((MonoObject *)*sockets)->vtable->klass;
1807 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1808 socks = mono_array_new_full_checked (mono_domain_get (), sock_arr_class, &socks_size, NULL, &error);
1809 if (!mono_error_ok (&error)) {
1810 mono_error_set_pending_exception (&error);
1816 for (i = 0; i < count && ret > 0; i++) {
1819 obj = mono_array_get (*sockets, MonoObject *, i);
1826 pfd = &pfds [i - mode];
1827 if (pfd->revents == 0)
1831 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1832 mono_array_setref (socks, idx++, obj);
1833 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1834 mono_array_setref (socks, idx++, obj);
1835 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1836 mono_array_setref (socks, idx++, obj);
1845 int_to_object (MonoDomain *domain, int val, MonoError *error)
1847 return mono_value_box_checked (domain, mono_get_int32_class (), &val, error);
1851 ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal (gsize sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *werror)
1853 int system_level = 0;
1854 int system_name = 0;
1857 socklen_t valsize = sizeof (val);
1858 struct linger linger;
1859 socklen_t lingersize = sizeof (linger);
1861 socklen_t time_ms_size = sizeof (time_ms);
1863 # if defined(__OpenBSD__)
1864 struct sockpeercred cred;
1868 socklen_t credsize = sizeof (cred);
1871 MonoDomain *domain = mono_domain_get ();
1873 MonoClass *obj_class;
1874 MonoClassField *field;
1878 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1879 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1880 system_level = SOL_SOCKET;
1881 system_name = SO_REUSEADDR;
1886 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level, &system_name);
1890 *werror = WSAENOPROTOOPT;
1894 *obj_val = int_to_object (domain, 0, &error);
1895 mono_error_set_pending_exception (&error);
1901 /* No need to deal with MulticastOption names here, because
1902 * you cant getsockopt AddMembership or DropMembership (the
1903 * int getsockopt will error, causing an exception)
1906 case SocketOptionName_Linger:
1907 case SocketOptionName_DontLinger:
1908 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &linger, &lingersize);
1911 case SocketOptionName_SendTimeout:
1912 case SocketOptionName_ReceiveTimeout:
1913 ret = mono_w32socket_getsockopt (sock, system_level, system_name, (char *)&time_ms, &time_ms_size);
1917 case SocketOptionName_PeerCred:
1918 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &cred, &credsize);
1923 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &val, &valsize);
1928 if (ret == SOCKET_ERROR) {
1929 *werror = mono_w32socket_get_last_error ();
1934 case SocketOptionName_Linger:
1935 /* build a System.Net.Sockets.LingerOption */
1936 obj_class = mono_class_load_from_name (get_socket_assembly (),
1937 "System.Net.Sockets",
1939 obj = mono_object_new_checked (domain, obj_class, &error);
1940 if (!mono_error_ok (&error)) {
1941 mono_error_set_pending_exception (&error);
1945 /* Locate and set the fields "bool enabled" and "int
1948 field = mono_class_get_field_from_name(obj_class, "enabled");
1949 *(guint8 *)(((char *)obj)+field->offset) = linger.l_onoff;
1951 field = mono_class_get_field_from_name(obj_class, "lingerTime");
1952 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1954 case SocketOptionName_DontLinger:
1955 /* construct a bool int in val - true if linger is off */
1956 obj = int_to_object (domain, !linger.l_onoff, &error);
1957 mono_error_set_pending_exception (&error);
1959 case SocketOptionName_SendTimeout:
1960 case SocketOptionName_ReceiveTimeout:
1961 obj = int_to_object (domain, time_ms, &error);
1962 mono_error_set_pending_exception (&error);
1966 case SocketOptionName_PeerCred: {
1968 * build a Mono.Posix.PeerCred+PeerCredData if
1971 static MonoImage *mono_posix_image = NULL;
1972 MonoPeerCredData *cred_data;
1974 if (mono_posix_image == NULL) {
1975 mono_posix_image = mono_image_loaded ("Mono.Posix");
1976 if (!mono_posix_image) {
1977 MonoAssembly *sa = mono_assembly_open_predicate ("Mono.Posix.dll", FALSE, FALSE, NULL, NULL, NULL);
1979 *werror = WSAENOPROTOOPT;
1982 mono_posix_image = mono_assembly_get_image (sa);
1987 obj_class = mono_class_load_from_name (mono_posix_image,
1990 obj = mono_object_new_checked (domain, obj_class, &error);
1991 if (!mono_error_ok (&error)) {
1992 mono_error_set_pending_exception (&error);
1995 cred_data = (MonoPeerCredData *)obj;
1996 cred_data->pid = cred.pid;
1997 cred_data->uid = cred.uid;
1998 cred_data->gid = cred.gid;
2004 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2005 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
2008 obj = int_to_object (domain, val, &error);
2009 mono_error_set_pending_exception (&error);
2016 ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal (gsize sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *werror)
2018 int system_level = 0;
2019 int system_name = 0;
2026 ret = convert_sockopt_level_and_name((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2029 *werror = WSAENOPROTOOPT;
2035 valsize = mono_array_length (*byte_val);
2036 buf = mono_array_addr (*byte_val, guchar, 0);
2040 ret = mono_w32socket_getsockopt (sock, system_level, system_name, buf, &valsize);
2044 if (ret == SOCKET_ERROR)
2045 *werror = mono_w32socket_get_last_error ();
2048 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2049 static struct in_addr
2050 ipaddress_to_struct_in_addr (MonoObject *ipaddr)
2052 struct in_addr inaddr;
2053 MonoClassField *field;
2055 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Address");
2057 /* No idea why .net uses a 64bit type to hold a 32bit value...
2059 * Internal value of IPAddess is in little-endian order
2061 inaddr.s_addr = GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr) + field->offset));
2066 static struct in6_addr
2067 ipaddress_to_struct_in6_addr (MonoObject *ipaddr)
2069 struct in6_addr in6addr;
2070 MonoClassField *field;
2074 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Numbers");
2076 data = *(MonoArray **)(((char *)ipaddr) + field->offset);
2078 for (i = 0; i < 8; i++) {
2079 const guint16 s = GUINT16_TO_BE (mono_array_get (data, guint16, i));
2081 /* Solaris/MacOS have only the 8 bit version. */
2083 in6addr.s6_addr[2 * i + 1] = (s >> 8) & 0xff;
2084 in6addr.s6_addr[2 * i] = s & 0xff;
2086 in6addr.s6_addr16[i] = s;
2093 #if defined(__APPLE__) || defined(__FreeBSD__)
2096 get_local_interface_id (int family)
2098 #if !defined(HAVE_GETIFADDRS) || !defined(HAVE_IF_NAMETOINDEX)
2101 struct ifaddrs *ifap = NULL, *ptr;
2104 if (getifaddrs (&ifap))
2107 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2108 if (!ptr->ifa_addr || !ptr->ifa_name)
2110 if (ptr->ifa_addr->sa_family != family)
2112 if ((ptr->ifa_flags & IFF_LOOPBACK) != 0)
2114 if ((ptr->ifa_flags & IFF_MULTICAST) == 0)
2117 idx = if_nametoindex (ptr->ifa_name);
2126 #endif /* defined(__APPLE__) || defined(__FreeBSD__) */
2129 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)
2131 struct linger linger;
2132 int system_level = 0;
2133 int system_name = 0;
2140 sol_ipv6 = mono_networking_get_ipv6_protocol ();
2141 sol_ip = mono_networking_get_ip_protocol ();
2143 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2146 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2147 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2148 system_name = SO_REUSEADDR;
2149 int_val = int_val ? 0 : 1;
2155 *werror = WSAENOPROTOOPT;
2161 /* Only one of obj_val, byte_val or int_val has data */
2163 MonoClassField *field;
2167 case SocketOptionName_Linger:
2168 /* Dig out "bool enabled" and "int lingerTime"
2171 field = mono_class_get_field_from_name (obj_val->vtable->klass, "enabled");
2172 linger.l_onoff = *(guint8 *)(((char *)obj_val) + field->offset);
2173 field = mono_class_get_field_from_name (obj_val->vtable->klass, "lingerTime");
2174 linger.l_linger = *(guint32 *)(((char *)obj_val) + field->offset);
2176 valsize = sizeof (linger);
2177 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, valsize);
2179 case SocketOptionName_AddMembership:
2180 case SocketOptionName_DropMembership:
2181 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2183 MonoObject *address = NULL;
2185 if (system_level == sol_ipv6) {
2186 struct ipv6_mreq mreq6;
2191 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Group");
2193 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2196 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2198 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Interface");
2199 mreq6.ipv6mr_interface = *(guint64 *)(((char *)obj_val) + field->offset);
2201 #if defined(__APPLE__) || defined(__FreeBSD__)
2205 * Mac OS Lion doesn't allow ipv6mr_interface = 0.
2207 * Tests on Windows and Linux show that the multicast group is only
2208 * joined on one NIC when interface = 0, so we simply use the interface
2209 * id from the first non-loopback interface (this is also what
2210 * Dns.GetHostName (string.Empty) would return).
2212 if (!mreq6.ipv6mr_interface)
2213 mreq6.ipv6mr_interface = get_local_interface_id (AF_INET6);
2216 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq6, sizeof (mreq6));
2217 } else if (system_level == sol_ip) {
2218 #ifdef HAVE_STRUCT_IP_MREQN
2219 struct ip_mreqn mreq = {{0}};
2221 struct ip_mreq mreq = {{0}};
2222 #endif /* HAVE_STRUCT_IP_MREQN */
2225 * pain! MulticastOption holds two IPAddress
2226 * members, so I have to dig the value out of
2229 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2230 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2232 /* address might not be defined and if so, set the address to ADDR_ANY.
2235 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2237 field = mono_class_get_field_from_name (obj_val->vtable->klass, "localAddress");
2238 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2240 #ifdef HAVE_STRUCT_IP_MREQN
2242 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2244 field = mono_class_get_field_from_name (obj_val->vtable->klass, "ifIndex");
2245 mreq.imr_ifindex = *(gint32 *)(((char *)obj_val) + field->offset);
2248 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2249 #endif /* HAVE_STRUCT_IP_MREQN */
2251 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq, sizeof (mreq));
2255 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2257 /* Cause an exception to be thrown */
2258 *werror = WSAEINVAL;
2261 } else if (byte_val!=NULL) {
2262 int valsize = mono_array_length (byte_val);
2263 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2266 case SocketOptionName_DontLinger:
2268 linger.l_onoff = (*buf) ? 0 : 1;
2269 linger.l_linger = 0;
2270 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2272 *werror = WSAEINVAL;
2276 ret = mono_w32socket_setsockopt (sock, system_level, system_name, buf, valsize);
2280 /* ReceiveTimeout/SendTimeout get here */
2282 case SocketOptionName_DontLinger:
2283 linger.l_onoff = !int_val;
2284 linger.l_linger = 0;
2285 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2287 case SocketOptionName_MulticastInterface:
2289 #ifdef HAVE_STRUCT_IP_MREQN
2290 int_val = GUINT32_FROM_BE (int_val);
2291 if ((int_val & 0xff000000) == 0) {
2292 /* int_val is interface index */
2293 struct ip_mreqn mreq = {{0}};
2294 mreq.imr_ifindex = int_val;
2295 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &mreq, sizeof (mreq));
2298 int_val = GUINT32_TO_BE (int_val);
2299 #endif /* HAVE_STRUCT_IP_MREQN */
2300 #endif /* HOST_WIN32 */
2301 /* int_val is in_addr */
2302 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2304 case SocketOptionName_DontFragment:
2305 #ifdef HAVE_IP_MTU_DISCOVER
2306 /* Fiddle with the value slightly if we're
2310 int_val = IP_PMTUDISC_DO;
2315 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2319 if (ret == SOCKET_ERROR)
2320 *werror = mono_w32socket_get_last_error ();
2324 ves_icall_System_Net_Sockets_Socket_Shutdown_internal (gsize sock, gint32 how, gint32 *werror)
2327 gboolean interrupted;
2331 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2339 /* Currently, the values for how (recv=0, send=1, both=2) match the BSD API */
2340 ret = mono_w32socket_shutdown (sock, how);
2344 if (ret == SOCKET_ERROR)
2345 *werror = mono_w32socket_get_last_error ();
2347 mono_thread_info_uninstall_interrupt (&interrupted);
2355 ves_icall_System_Net_Sockets_Socket_IOControl_internal (gsize sock, gint32 code, MonoArray *input, MonoArray *output, gint32 *werror)
2357 glong output_bytes = 0;
2358 gchar *i_buffer, *o_buffer;
2364 if ((guint32)code == FIONBIO)
2365 /* Invalid command. Must use Socket.Blocking */
2368 if (input == NULL) {
2372 i_buffer = mono_array_addr (input, gchar, 0);
2373 i_len = mono_array_length (input);
2376 if (output == NULL) {
2380 o_buffer = mono_array_addr (output, gchar, 0);
2381 o_len = mono_array_length (output);
2386 ret = mono_w32socket_ioctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes);
2390 if (ret == SOCKET_ERROR) {
2391 *werror = mono_w32socket_get_last_error ();
2395 return (gint)output_bytes;
2399 addrinfo_to_IPHostEntry (MonoAddressInfo *info, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips, MonoError *error)
2402 MonoAddressEntry *ai = NULL;
2403 struct in_addr *local_in = NULL;
2405 struct in6_addr *local_in6 = NULL;
2408 MonoDomain *domain = mono_domain_get ();
2412 *h_aliases = mono_array_new_checked (domain, mono_get_string_class (), 0, error);
2413 return_val_if_nok (error, FALSE);
2414 if (add_local_ips) {
2415 local_in = (struct in_addr *) mono_get_local_interfaces (AF_INET, &nlocal_in);
2416 local_in6 = (struct in6_addr *) mono_get_local_interfaces (AF_INET6, &nlocal_in6);
2417 if (nlocal_in || nlocal_in6) {
2418 char addr [INET6_ADDRSTRLEN];
2419 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), nlocal_in + nlocal_in6, error);
2424 MonoString *addr_string;
2427 for (i = 0; i < nlocal_in; i++) {
2429 mono_address_init (&maddr, AF_INET, &local_in [i]);
2430 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2431 addr_string = mono_string_new (domain, addr);
2432 mono_array_setref (*h_addr_list, addr_index, addr_string);
2439 MonoString *addr_string;
2442 for (i = 0; i < nlocal_in6; i++) {
2444 mono_address_init (&maddr, AF_INET6, &local_in6 [i]);
2445 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2446 addr_string = mono_string_new (domain, addr);
2447 mono_array_setref (*h_addr_list, addr_index, addr_string);
2457 mono_free_address_info (info);
2458 return is_ok (error);;
2465 for (count = 0, ai = info->entries; ai != NULL; ai = ai->next) {
2466 if (ai->family != AF_INET && ai->family != AF_INET6)
2471 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), count, error);
2475 for (ai = info->entries, i = 0; ai != NULL; ai = ai->next) {
2477 MonoString *addr_string;
2478 char buffer [INET6_ADDRSTRLEN]; /* Max. size for IPv6 */
2480 if ((ai->family != PF_INET) && (ai->family != PF_INET6))
2483 mono_address_init (&maddr, ai->family, &ai->address);
2484 if (mono_networking_addr_to_str (&maddr, buffer, sizeof (buffer)))
2485 addr_string = mono_string_new (domain, buffer);
2487 addr_string = mono_string_new (domain, "");
2489 mono_array_setref (*h_addr_list, addr_index, addr_string);
2493 if (ai->canonical_name != NULL) {
2494 *h_name = mono_string_new (domain, ai->canonical_name);
2496 *h_name = mono_string_new (domain, buffer);
2505 mono_free_address_info (info);
2507 return is_ok (error);
2511 ves_icall_System_Net_Dns_GetHostByName_internal (MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2514 gboolean add_local_ips = FALSE, add_info_ok = TRUE;
2515 gchar this_hostname [256];
2516 MonoAddressInfo *info = NULL;
2518 char *hostname = mono_string_to_utf8_checked (host, &error);
2519 if (mono_error_set_pending_exception (&error))
2522 if (*hostname == '\0') {
2523 add_local_ips = TRUE;
2527 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2528 if (!strcmp (hostname, this_hostname)) {
2529 add_local_ips = TRUE;
2535 // Win32 APIs already returns local interface addresses for empty hostname ("")
2536 // so we never want to add them manually.
2537 add_local_ips = FALSE;
2538 if (mono_get_address_info(hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2539 add_info_ok = FALSE;
2541 if (*hostname && mono_get_address_info (hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2542 add_info_ok = FALSE;
2548 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, add_local_ips, &error);
2549 mono_error_set_pending_exception (&error);
2556 ves_icall_System_Net_Dns_GetHostByAddr_internal (MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2559 struct sockaddr_in saddr;
2560 struct sockaddr_in6 saddr6;
2561 MonoAddressInfo *info = NULL;
2564 gchar hostname [NI_MAXHOST] = { 0 };
2567 address = mono_string_to_utf8_checked (addr, &error);
2568 if (mono_error_set_pending_exception (&error))
2571 if (inet_pton (AF_INET, address, &saddr.sin_addr ) == 1) {
2573 saddr.sin_family = AF_INET;
2574 } else if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) == 1) {
2576 saddr6.sin6_family = AF_INET6;
2588 #if HAVE_SOCKADDR_IN_SIN_LEN
2589 saddr.sin_len = sizeof (saddr);
2591 ret = getnameinfo ((struct sockaddr*)&saddr, sizeof (saddr), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2595 #if HAVE_SOCKADDR_IN6_SIN_LEN
2596 saddr6.sin6_len = sizeof (saddr6);
2598 ret = getnameinfo ((struct sockaddr*)&saddr6, sizeof (saddr6), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2602 g_assert_not_reached ();
2610 if (mono_get_address_info (hostname, 0, hint | MONO_HINT_CANONICAL_NAME | MONO_HINT_CONFIGURED_ONLY, &info) != 0)
2613 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE, &error);
2614 mono_error_set_pending_exception (&error);
2619 ves_icall_System_Net_Dns_GetHostName_internal (MonoString **h_name)
2621 gchar hostname [NI_MAXHOST] = { 0 };
2624 ret = gethostname (hostname, sizeof (hostname));
2628 *h_name = mono_string_new (mono_domain_get (), hostname);
2633 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
2635 ves_icall_System_Net_Sockets_Socket_SendFile_internal (gsize sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags, gint32 *werror, gboolean blocking)
2639 gboolean interrupted;
2640 TRANSMIT_FILE_BUFFERS buffers;
2644 if (filename == NULL)
2647 /* FIXME: replace file by a proper fd that we can call open and close on, as they are interruptible */
2649 file = mono_w32file_create (mono_string_chars (filename), GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, 0);
2650 if (file == INVALID_HANDLE_VALUE) {
2651 *werror = mono_w32error_get_last ();
2655 memset (&buffers, 0, sizeof (buffers));
2656 if (pre_buffer != NULL) {
2657 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
2658 buffers.HeadLength = mono_array_length (pre_buffer);
2660 if (post_buffer != NULL) {
2661 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
2662 buffers.TailLength = mono_array_length (post_buffer);
2665 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2667 mono_w32file_close (file);
2668 mono_w32error_set_last (WSAEINTR);
2673 ret = mono_w32socket_transmit_file (sock, file, &buffers, flags, blocking);
2677 *werror = mono_w32socket_get_last_error ();
2679 mono_thread_info_uninstall_interrupt (&interrupted);
2681 mono_w32file_close (file);
2686 mono_w32file_close (file);
2693 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
2696 mono_network_init (void)
2698 mono_networking_init ();
2699 mono_w32socket_initialize ();
2703 mono_network_cleanup (void)
2705 mono_w32socket_cleanup ();
2706 mono_networking_shutdown ();
2710 icall_cancel_blocking_socket_operation (MonoThread *thread)
2712 MonoInternalThread *internal;
2714 internal = thread->internal_thread;
2715 g_assert (internal);
2717 mono_thread_info_abort_socket_syscall_for_close (MONO_UINT_TO_NATIVE_THREAD_ID (internal->tid));
2720 #endif /* #ifndef DISABLE_SOCKETS */