2 * socket-io.c: Socket IO internal calls
5 * Dick Porter (dick@ximian.com)
6 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
11 * This file has been re-licensed under the MIT License:
12 * http://opensource.org/licenses/MIT
13 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
18 #ifndef DISABLE_SOCKETS
20 #if defined(__APPLE__) || defined(__FreeBSD__)
21 #define __APPLE_USE_RFC_3542
30 #include <sys/socket.h>
31 #ifdef HAVE_SYS_IOCTL_H
32 #include <sys/ioctl.h>
34 #include <netinet/in.h>
35 #include <netinet/tcp.h>
39 #include <arpa/inet.h>
46 #include <sys/types.h>
48 #include <mono/metadata/object.h>
49 #include <mono/io-layer/io-layer.h>
50 #include <mono/metadata/exception.h>
51 #include <mono/metadata/assembly.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>
69 #ifdef HAVE_SYS_TIME_H
72 #ifdef HAVE_SYS_IOCTL_H
73 #include <sys/ioctl.h>
82 #ifdef HAVE_SYS_FILIO_H
83 #include <sys/filio.h> /* defines FIONBIO and FIONREAD */
85 #ifdef HAVE_SYS_SOCKIO_H
86 #include <sys/sockio.h> /* defines SIOCATMARK */
92 #ifdef HAVE_GETIFADDRS
93 // <net/if.h> must be included before <ifaddrs.h>
97 #if defined(_MSC_VER) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
101 #define LOGDEBUG(...)
102 /* define LOGDEBUG(...) g_message(__VA_ARGS__) */
107 mono_w32socket_socket (int domain, int type, int protocol)
109 return WSASocket (domain, type, protocol, NULL, 0, WSA_FLAG_OVERLAPPED);
113 mono_w32socket_bind (SOCKET sock, struct sockaddr *addr, socklen_t addrlen)
115 return bind (sock, addr, addrlen);
119 mono_w32socket_getpeername (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
121 return getpeername (sock, name, namelen);
125 mono_w32socket_getsockname (SOCKET sock, struct sockaddr *name, socklen_t *namelen)
127 return getsockname (sock, name, namelen);
131 mono_w32socket_getsockopt (SOCKET sock, gint level, gint optname, gpointer optval, socklen_t *optlen)
133 return getsockopt (sock, level, optname, optval, optlen);
137 mono_w32socket_setsockopt (SOCKET sock, gint level, gint optname, const gpointer optval, socklen_t optlen)
139 return setsockopt (sock, level, optname, optval, optlen);
143 mono_w32socket_listen (SOCKET sock, gint backlog)
145 return listen (sock, backlog);
149 mono_w32socket_shutdown (SOCKET sock, gint how)
151 return shutdown (sock, how);
155 mono_w32socket_ioctl (SOCKET sock, gint32 command, gchar *input, gint inputlen, gchar *output, gint outputlen, glong *written)
157 return WSAIoctl (sock, command, input, inputlen, output, outputlen, written, NULL, NULL);
160 #endif /* HOST_WIN32 */
163 abort_syscall (gpointer data)
165 mono_thread_info_abort_socket_syscall_for_close ((MonoNativeThreadId) (gsize) data);
169 convert_family (MonoAddressFamily mono_family)
171 switch (mono_family) {
172 case AddressFamily_Unknown:
173 case AddressFamily_ImpLink:
174 case AddressFamily_Pup:
175 case AddressFamily_Chaos:
176 case AddressFamily_Iso:
177 case AddressFamily_Ecma:
178 case AddressFamily_DataKit:
179 case AddressFamily_Ccitt:
180 case AddressFamily_DataLink:
181 case AddressFamily_Lat:
182 case AddressFamily_HyperChannel:
183 case AddressFamily_NetBios:
184 case AddressFamily_VoiceView:
185 case AddressFamily_FireFox:
186 case AddressFamily_Banyan:
187 case AddressFamily_Atm:
188 case AddressFamily_Cluster:
189 case AddressFamily_Ieee12844:
190 case AddressFamily_NetworkDesigners:
191 g_warning ("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
193 case AddressFamily_Unspecified:
195 case AddressFamily_Unix:
197 case AddressFamily_InterNetwork:
199 case AddressFamily_AppleTalk:
201 case AddressFamily_InterNetworkV6:
203 case AddressFamily_DecNet:
209 case AddressFamily_Ipx:
215 case AddressFamily_Sna:
221 case AddressFamily_Irda:
228 g_warning ("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
233 static MonoAddressFamily
234 convert_to_mono_family (guint16 af_family)
238 return AddressFamily_Unspecified;
240 return AddressFamily_Unix;
242 return AddressFamily_InterNetwork;
245 return AddressFamily_Ipx;
249 return AddressFamily_Sna;
253 return AddressFamily_DecNet;
256 return AddressFamily_AppleTalk;
258 return AddressFamily_InterNetworkV6;
261 return AddressFamily_Irda;
264 g_warning ("unknown address family 0x%x", af_family);
265 return AddressFamily_Unknown;
270 convert_type (MonoSocketType mono_type)
273 case SocketType_Stream:
275 case SocketType_Dgram:
285 case SocketType_Seqpacket:
286 return SOCK_SEQPACKET;
287 case SocketType_Unknown:
288 g_warning ("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
291 g_warning ("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
297 convert_proto (MonoProtocolType mono_proto)
299 switch (mono_proto) {
300 case ProtocolType_IP:
301 case ProtocolType_IPv6:
302 case ProtocolType_Icmp:
303 case ProtocolType_Igmp:
304 case ProtocolType_Ggp:
305 case ProtocolType_Tcp:
306 case ProtocolType_Pup:
307 case ProtocolType_Udp:
308 case ProtocolType_Idp:
309 /* These protocols are known (on my system at least) */
311 case ProtocolType_ND:
312 case ProtocolType_Raw:
313 case ProtocolType_Ipx:
314 case ProtocolType_Spx:
315 case ProtocolType_SpxII:
316 case ProtocolType_Unknown:
317 /* These protocols arent */
318 g_warning ("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
325 /* Convert MonoSocketFlags */
327 convert_socketflags (gint32 sflags)
332 /* SocketFlags.None */
335 if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
336 SocketFlags_DontRoute | SocketFlags_Partial))
337 /* Contains invalid flag values */
340 if (sflags & SocketFlags_OutOfBand)
342 if (sflags & SocketFlags_Peek)
344 if (sflags & SocketFlags_DontRoute)
345 flags |= MSG_DONTROUTE;
347 /* Ignore Partial - see bug 349688. Don't return -1, because
348 * according to the comment in that bug ms runtime doesn't for
349 * UDP sockets (this means we will silently ignore it for TCP
353 if (sflags & SocketFlags_Partial)
357 /* Don't do anything for MaxIOVectorLength */
358 if (sflags & SocketFlags_MaxIOVectorLength)
366 * 0 on success (mapped mono_level and mono_name to system_level and system_name
368 * -2 on non-fatal error (ie, must ignore)
371 convert_sockopt_level_and_name (MonoSocketOptionLevel mono_level, MonoSocketOptionName mono_name, int *system_level, int *system_name)
373 switch (mono_level) {
374 case SocketOptionLevel_Socket:
375 *system_level = SOL_SOCKET;
378 case SocketOptionName_DontLinger:
379 /* This is SO_LINGER, because the setsockopt
380 * internal call maps DontLinger to SO_LINGER
383 *system_name = SO_LINGER;
385 case SocketOptionName_Debug:
386 *system_name = SO_DEBUG;
389 case SocketOptionName_AcceptConnection:
390 *system_name = SO_ACCEPTCONN;
393 case SocketOptionName_ReuseAddress:
394 *system_name = SO_REUSEADDR;
396 case SocketOptionName_KeepAlive:
397 *system_name = SO_KEEPALIVE;
399 case SocketOptionName_DontRoute:
400 *system_name = SO_DONTROUTE;
402 case SocketOptionName_Broadcast:
403 *system_name = SO_BROADCAST;
405 case SocketOptionName_Linger:
406 *system_name = SO_LINGER;
408 case SocketOptionName_OutOfBandInline:
409 *system_name = SO_OOBINLINE;
411 case SocketOptionName_SendBuffer:
412 *system_name = SO_SNDBUF;
414 case SocketOptionName_ReceiveBuffer:
415 *system_name = SO_RCVBUF;
417 case SocketOptionName_SendLowWater:
418 *system_name = SO_SNDLOWAT;
420 case SocketOptionName_ReceiveLowWater:
421 *system_name = SO_RCVLOWAT;
423 case SocketOptionName_SendTimeout:
424 *system_name = SO_SNDTIMEO;
426 case SocketOptionName_ReceiveTimeout:
427 *system_name = SO_RCVTIMEO;
429 case SocketOptionName_Error:
430 *system_name = SO_ERROR;
432 case SocketOptionName_Type:
433 *system_name = SO_TYPE;
436 case SocketOptionName_PeerCred:
437 *system_name = SO_PEERCRED;
440 case SocketOptionName_ExclusiveAddressUse:
441 #ifdef SO_EXCLUSIVEADDRUSE
442 *system_name = SO_EXCLUSIVEADDRUSE;
445 case SocketOptionName_UseLoopback:
446 #ifdef SO_USELOOPBACK
447 *system_name = SO_USELOOPBACK;
450 case SocketOptionName_MaxConnections:
452 *system_name = SO_MAXCONN;
454 #elif defined(SOMAXCONN)
455 *system_name = SOMAXCONN;
459 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
464 case SocketOptionLevel_IP:
465 *system_level = mono_networking_get_ip_protocol ();
468 case SocketOptionName_IPOptions:
469 *system_name = IP_OPTIONS;
472 case SocketOptionName_HeaderIncluded:
473 *system_name = IP_HDRINCL;
477 case SocketOptionName_TypeOfService:
478 *system_name = IP_TOS;
482 case SocketOptionName_IpTimeToLive:
483 *system_name = IP_TTL;
486 case SocketOptionName_MulticastInterface:
487 *system_name = IP_MULTICAST_IF;
489 case SocketOptionName_MulticastTimeToLive:
490 *system_name = IP_MULTICAST_TTL;
492 case SocketOptionName_MulticastLoopback:
493 *system_name = IP_MULTICAST_LOOP;
495 case SocketOptionName_AddMembership:
496 *system_name = IP_ADD_MEMBERSHIP;
498 case SocketOptionName_DropMembership:
499 *system_name = IP_DROP_MEMBERSHIP;
501 #ifdef HAVE_IP_PKTINFO
502 case SocketOptionName_PacketInformation:
503 *system_name = IP_PKTINFO;
505 #endif /* HAVE_IP_PKTINFO */
507 case SocketOptionName_DontFragment:
508 #ifdef HAVE_IP_DONTFRAGMENT
509 *system_name = IP_DONTFRAGMENT;
511 #elif defined HAVE_IP_MTU_DISCOVER
512 /* Not quite the same */
513 *system_name = IP_MTU_DISCOVER;
516 /* If the flag is not available on this system, we can ignore this error */
518 #endif /* HAVE_IP_DONTFRAGMENT */
519 case SocketOptionName_AddSourceMembership:
520 case SocketOptionName_DropSourceMembership:
521 case SocketOptionName_BlockSource:
522 case SocketOptionName_UnblockSource:
523 /* Can't figure out how to map these, so fall
527 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
532 case SocketOptionLevel_IPv6:
533 *system_level = mono_networking_get_ipv6_protocol ();
536 case SocketOptionName_IpTimeToLive:
537 case SocketOptionName_HopLimit:
538 *system_name = IPV6_UNICAST_HOPS;
540 case SocketOptionName_MulticastInterface:
541 *system_name = IPV6_MULTICAST_IF;
543 case SocketOptionName_MulticastTimeToLive:
544 *system_name = IPV6_MULTICAST_HOPS;
546 case SocketOptionName_MulticastLoopback:
547 *system_name = IPV6_MULTICAST_LOOP;
549 case SocketOptionName_AddMembership:
550 *system_name = IPV6_JOIN_GROUP;
552 case SocketOptionName_DropMembership:
553 *system_name = IPV6_LEAVE_GROUP;
555 case SocketOptionName_IPv6Only:
557 *system_name = IPV6_V6ONLY;
562 case SocketOptionName_PacketInformation:
563 #ifdef HAVE_IPV6_PKTINFO
564 *system_name = IPV6_PKTINFO;
567 case SocketOptionName_HeaderIncluded:
568 case SocketOptionName_IPOptions:
569 case SocketOptionName_TypeOfService:
570 case SocketOptionName_DontFragment:
571 case SocketOptionName_AddSourceMembership:
572 case SocketOptionName_DropSourceMembership:
573 case SocketOptionName_BlockSource:
574 case SocketOptionName_UnblockSource:
575 /* Can't figure out how to map these, so fall
579 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
582 break; /* SocketOptionLevel_IPv6 */
584 case SocketOptionLevel_Tcp:
585 *system_level = mono_networking_get_tcp_protocol ();
588 case SocketOptionName_NoDelay:
589 *system_name = TCP_NODELAY;
592 /* The documentation is talking complete
593 * bollocks here: rfc-1222 is titled
594 * 'Advancing the NSFNET Routing Architecture'
595 * and doesn't mention either of the words
596 * "expedite" or "urgent".
598 case SocketOptionName_BsdUrgent:
599 case SocketOptionName_Expedited:
602 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
607 case SocketOptionLevel_Udp:
608 g_warning ("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
611 case SocketOptionName_NoChecksum:
612 case SocketOptionName_ChecksumCoverage:
614 g_warning ("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
621 g_warning ("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
629 get_socket_assembly (void)
631 MonoDomain *domain = mono_domain_get ();
633 if (domain->socket_assembly == NULL) {
634 MonoImage *socket_assembly;
636 socket_assembly = mono_image_loaded ("System");
637 if (!socket_assembly) {
638 MonoAssembly *sa = mono_assembly_open ("System.dll", NULL);
641 g_assert_not_reached ();
643 socket_assembly = mono_assembly_get_image (sa);
646 mono_atomic_store_release (&domain->socket_assembly, socket_assembly);
649 return domain->socket_assembly;
653 ves_icall_System_Net_Sockets_Socket_Socket_internal (MonoObject *this_obj, gint32 family, gint32 type, gint32 proto, gint32 *werror)
662 sock_family = convert_family ((MonoAddressFamily)family);
663 if (sock_family == -1) {
664 *werror = WSAEAFNOSUPPORT;
668 sock_proto = convert_proto ((MonoProtocolType)proto);
669 if (sock_proto == -1) {
670 *werror = WSAEPROTONOSUPPORT;
674 sock_type = convert_type ((MonoSocketType)type);
675 if (sock_type == -1) {
676 *werror = WSAESOCKTNOSUPPORT;
680 sock = mono_w32socket_socket (sock_family, sock_type, sock_proto);
682 if (sock == INVALID_SOCKET) {
683 *werror = mono_w32socket_get_last_error ();
687 return GUINT_TO_POINTER (sock);
690 /* FIXME: the SOCKET parameter (here and in other functions in this
691 * file) is really an IntPtr which needs to be converted to a guint32.
694 ves_icall_System_Net_Sockets_Socket_Close_internal (gsize sock, gint32 *werror)
696 LOGDEBUG (g_message ("%s: closing 0x%x", __func__, sock));
700 /* Clear any pending work item from this socket if the underlying
701 * polling system does not notify when the socket is closed */
702 mono_threadpool_io_remove_socket (GPOINTER_TO_INT (sock));
705 CloseHandle (GINT_TO_POINTER (sock));
710 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal (void)
712 LOGDEBUG (g_message("%s: returning %d", __func__, mono_w32socket_get_last_error ()));
714 return mono_w32socket_get_last_error ();
718 ves_icall_System_Net_Sockets_Socket_Available_internal (gsize sock, gint32 *werror)
725 /* FIXME: this might require amount to be unsigned long. */
726 ret = mono_w32socket_get_available (sock, &amount);
727 if (ret == SOCKET_ERROR) {
728 *werror = mono_w32socket_get_last_error ();
736 ves_icall_System_Net_Sockets_Socket_Blocking_internal (gsize sock, gboolean block, gint32 *werror)
742 ret = mono_w32socket_set_blocking (sock, block);
743 if (ret == SOCKET_ERROR)
744 *werror = mono_w32socket_get_last_error ();
748 ves_icall_System_Net_Sockets_Socket_Accept_internal (gsize sock, gint32 *werror, gboolean blocking)
750 gboolean interrupted;
755 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
762 newsock = mono_w32socket_accept (sock, NULL, 0, blocking);
765 if (newsock == INVALID_SOCKET)
766 *werror = mono_w32socket_get_last_error ();
768 mono_thread_info_uninstall_interrupt (&interrupted);
775 return GUINT_TO_POINTER (newsock);
779 ves_icall_System_Net_Sockets_Socket_Listen_internal(gsize sock, guint32 backlog, gint32 *werror)
787 ret = mono_w32socket_listen (sock, backlog);
791 if (ret == SOCKET_ERROR)
792 *werror = mono_w32socket_get_last_error ();
795 // Check whether it's ::ffff::0:0.
797 is_ipv4_mapped_any (const struct in6_addr *addr)
801 for (i = 0; i < 10; i++) {
802 if (addr->s6_addr [i])
805 if ((addr->s6_addr [10] != 0xff) || (addr->s6_addr [11] != 0xff))
807 for (i = 12; i < 16; i++) {
808 if (addr->s6_addr [i])
815 create_object_from_sockaddr (struct sockaddr *saddr, int sa_size, gint32 *werror, MonoError *error)
817 MonoDomain *domain = mono_domain_get ();
818 MonoObject *sockaddr_obj;
820 MonoAddressFamily family;
822 mono_error_init (error);
824 /* Build a System.Net.SocketAddress object instance */
825 if (!domain->sockaddr_class)
826 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
827 sockaddr_obj = mono_object_new_checked (domain, domain->sockaddr_class, error);
828 return_val_if_nok (error, NULL);
830 /* Locate the SocketAddress data buffer in the object */
831 if (!domain->sockaddr_data_field) {
832 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
833 g_assert (domain->sockaddr_data_field);
836 /* Locate the SocketAddress data buffer length in the object */
837 if (!domain->sockaddr_data_length_field) {
838 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
839 g_assert (domain->sockaddr_data_length_field);
842 /* May be the +2 here is too conservative, as sa_len returns
843 * the length of the entire sockaddr_in/in6, including
844 * sizeof (unsigned short) of the family */
845 /* We can't really avoid the +2 as all code below depends on this size - INCLUDING unix domain sockets.*/
846 data = mono_array_new_cached (domain, mono_get_byte_class (), sa_size + 2, error);
847 return_val_if_nok (error, NULL);
849 /* The data buffer is laid out as follows:
850 * bytes 0 and 1 are the address family
851 * bytes 2 and 3 are the port info
852 * the rest is the address info
855 family = convert_to_mono_family (saddr->sa_family);
856 if (family == AddressFamily_Unknown) {
857 *werror = WSAEAFNOSUPPORT;
861 mono_array_set (data, guint8, 0, family & 0x0FF);
862 mono_array_set (data, guint8, 1, (family >> 8) & 0x0FF);
864 if (saddr->sa_family == AF_INET) {
865 struct sockaddr_in *sa_in = (struct sockaddr_in *)saddr;
866 guint16 port = ntohs (sa_in->sin_port);
867 guint32 address = ntohl (sa_in->sin_addr.s_addr);
870 if (sa_size < buffer_size) {
871 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
875 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
876 mono_array_set (data, guint8, 3, (port) & 0xff);
877 mono_array_set (data, guint8, 4, (address>>24) & 0xff);
878 mono_array_set (data, guint8, 5, (address>>16) & 0xff);
879 mono_array_set (data, guint8, 6, (address>>8) & 0xff);
880 mono_array_set (data, guint8, 7, (address) & 0xff);
882 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
883 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
886 } else if (saddr->sa_family == AF_INET6) {
887 struct sockaddr_in6 *sa_in = (struct sockaddr_in6 *)saddr;
889 int buffer_size = 28;
891 guint16 port = ntohs (sa_in->sin6_port);
893 if (sa_size < buffer_size) {
894 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
898 mono_array_set (data, guint8, 2, (port>>8) & 0xff);
899 mono_array_set (data, guint8, 3, (port) & 0xff);
901 if (is_ipv4_mapped_any (&sa_in->sin6_addr)) {
902 // Map ::ffff:0:0 to :: (bug #5502)
903 for (i = 0; i < 16; i++)
904 mono_array_set (data, guint8, 8 + i, 0);
906 for (i = 0; i < 16; i++) {
907 mono_array_set (data, guint8, 8 + i,
908 sa_in->sin6_addr.s6_addr [i]);
912 mono_array_set (data, guint8, 24, sa_in->sin6_scope_id & 0xff);
913 mono_array_set (data, guint8, 25,
914 (sa_in->sin6_scope_id >> 8) & 0xff);
915 mono_array_set (data, guint8, 26,
916 (sa_in->sin6_scope_id >> 16) & 0xff);
917 mono_array_set (data, guint8, 27,
918 (sa_in->sin6_scope_id >> 24) & 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);
926 else if (saddr->sa_family == AF_UNIX) {
928 int buffer_size = sa_size + 2;
930 for (i = 0; i < sa_size; i++)
931 mono_array_set (data, guint8, i + 2, saddr->sa_data [i]);
933 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_field, data);
934 mono_field_set_value (sockaddr_obj, domain->sockaddr_data_length_field, &buffer_size);
940 *werror = WSAEAFNOSUPPORT;
946 get_sockaddr_size (int family)
951 if (family == AF_INET) {
952 size = sizeof (struct sockaddr_in);
953 } else if (family == AF_INET6) {
954 size = sizeof (struct sockaddr_in6);
957 else if (family == AF_UNIX) {
958 size = sizeof (struct sockaddr_un);
965 ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
975 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
977 *werror = WSAEAFNOSUPPORT;
980 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
984 ret = mono_w32socket_getsockname (sock, (struct sockaddr *)sa, &salen);
988 if (ret == SOCKET_ERROR) {
989 *werror = mono_w32socket_get_last_error ();
995 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)));
997 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1000 if (!mono_error_ok (&error))
1001 mono_error_set_pending_exception (&error);
1006 ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal (gsize sock, gint32 af, gint32 *werror)
1016 salen = get_sockaddr_size (convert_family ((MonoAddressFamily)af));
1018 *werror = WSAEAFNOSUPPORT;
1021 sa = (salen <= 128) ? (gchar *)alloca (salen) : (gchar *)g_malloc0 (salen);
1022 /* Note: linux returns just 2 for AF_UNIX. Always. */
1026 ret = mono_w32socket_getpeername (sock, (struct sockaddr *)sa, &salen);
1030 if (ret == SOCKET_ERROR) {
1031 *werror = mono_w32socket_get_last_error ();
1037 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)));
1039 result = create_object_from_sockaddr ((struct sockaddr *)sa, salen, werror, &error);
1042 if (!mono_error_ok (&error))
1043 mono_error_set_pending_exception (&error);
1047 static struct sockaddr*
1048 create_sockaddr_from_object (MonoObject *saddr_obj, socklen_t *sa_size, gint32 *werror, MonoError *error)
1050 MonoDomain *domain = mono_domain_get ();
1055 mono_error_init (error);
1057 if (!domain->sockaddr_class)
1058 domain->sockaddr_class = mono_class_load_from_name (get_socket_assembly (), "System.Net", "SocketAddress");
1060 /* Locate the SocketAddress data buffer in the object */
1061 if (!domain->sockaddr_data_field) {
1062 domain->sockaddr_data_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Buffer");
1063 g_assert (domain->sockaddr_data_field);
1066 /* Locate the SocketAddress data buffer length in the object */
1067 if (!domain->sockaddr_data_length_field) {
1068 domain->sockaddr_data_length_field = mono_class_get_field_from_name (domain->sockaddr_class, "m_Size");
1069 g_assert (domain->sockaddr_data_length_field);
1072 data = *(MonoArray **)(((char *)saddr_obj) + domain->sockaddr_data_field->offset);
1074 /* The data buffer is laid out as follows:
1075 * byte 0 is the address family low byte
1076 * byte 1 is the address family high byte
1078 * bytes 2 and 3 are the port info
1079 * the rest is the address info
1081 * the rest is the file name
1083 len = *(int *)(((char *)saddr_obj) + domain->sockaddr_data_length_field->offset);
1084 g_assert (len >= 2);
1086 family = convert_family ((MonoAddressFamily)(mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8)));
1087 if (family == AF_INET) {
1088 struct sockaddr_in *sa;
1093 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1097 sa = g_new0 (struct sockaddr_in, 1);
1098 port = (mono_array_get (data, guint8, 2) << 8) +
1099 mono_array_get (data, guint8, 3);
1100 address = (mono_array_get (data, guint8, 4) << 24) +
1101 (mono_array_get (data, guint8, 5) << 16 ) +
1102 (mono_array_get (data, guint8, 6) << 8) +
1103 mono_array_get (data, guint8, 7);
1105 sa->sin_family = family;
1106 sa->sin_addr.s_addr = htonl (address);
1107 sa->sin_port = htons (port);
1109 *sa_size = sizeof (struct sockaddr_in);
1110 return (struct sockaddr *)sa;
1111 } else if (family == AF_INET6) {
1112 struct sockaddr_in6 *sa;
1118 mono_error_set_exception_instance (error, mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
1122 sa = g_new0 (struct sockaddr_in6, 1);
1123 port = mono_array_get (data, guint8, 3) +
1124 (mono_array_get (data, guint8, 2) << 8);
1125 scopeid = mono_array_get (data, guint8, 24) +
1126 (mono_array_get (data, guint8, 25) << 8) +
1127 (mono_array_get (data, guint8, 26) << 16) +
1128 (mono_array_get (data, guint8, 27) << 24);
1130 sa->sin6_family = family;
1131 sa->sin6_port = htons (port);
1132 sa->sin6_scope_id = scopeid;
1134 for (i = 0; i < 16; i++)
1135 sa->sin6_addr.s6_addr [i] = mono_array_get (data, guint8, 8 + i);
1137 *sa_size = sizeof (struct sockaddr_in6);
1138 return (struct sockaddr *)sa;
1140 #ifdef HAVE_SYS_UN_H
1141 else if (family == AF_UNIX) {
1142 struct sockaddr_un *sock_un;
1145 /* Need a byte for the '\0' terminator/prefix, and the first
1146 * two bytes hold the SocketAddress family
1148 if (len - 2 >= sizeof (sock_un->sun_path)) {
1149 mono_error_set_exception_instance (error, mono_get_exception_index_out_of_range ());
1153 sock_un = g_new0 (struct sockaddr_un, 1);
1155 sock_un->sun_family = family;
1156 for (i = 0; i < len - 2; i++)
1157 sock_un->sun_path [i] = mono_array_get (data, guint8, i + 2);
1160 return (struct sockaddr *)sock_un;
1164 *werror = WSAEAFNOSUPPORT;
1170 ves_icall_System_Net_Sockets_Socket_Bind_internal (gsize sock, MonoObject *sockaddr, gint32 *werror)
1173 struct sockaddr *sa;
1179 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1182 if (!mono_error_ok (&error)) {
1183 mono_error_set_pending_exception (&error);
1187 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)));
1189 ret = mono_w32socket_bind (sock, sa, sa_size);
1191 if (ret == SOCKET_ERROR)
1192 *werror = mono_w32socket_get_last_error ();
1204 ves_icall_System_Net_Sockets_Socket_Poll_internal (gsize sock, gint mode,
1205 gint timeout, gint32 *werror)
1207 MonoInternalThread *thread = mono_thread_internal_current ();
1210 gboolean interrupted;
1215 pfds = g_new0 (mono_pollfd, 1);
1216 pfds->fd = GPOINTER_TO_INT (sock);
1219 case SelectModeRead:
1220 pfds->events = MONO_POLLIN;
1222 case SelectModeWrite:
1223 pfds->events = MONO_POLLOUT;
1226 pfds->events = MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL;
1230 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1231 start = time (NULL);
1234 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1243 ret = mono_poll (pfds, 1, timeout);
1247 mono_thread_info_uninstall_interrupt (&interrupted);
1254 if (timeout > 0 && ret < 0) {
1256 int sec = time (NULL) - start;
1258 timeout -= sec * 1000;
1266 if (ret == -1 && errno == EINTR) {
1267 if (mono_thread_test_state (thread, (MonoThreadState)(ThreadState_AbortRequested | ThreadState_StopRequested))) {
1272 /* Suspend requested? */
1273 mono_thread_interruption_checkpoint ();
1277 } while (ret == -1 && errno == EINTR);
1280 *werror = mono_w32socket_convert_error (errno);
1290 ves_icall_System_Net_Sockets_Socket_Connect_internal (gsize sock, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1293 struct sockaddr *sa;
1296 gboolean interrupted;
1300 sa = create_sockaddr_from_object (sockaddr, &sa_size, werror, &error);
1303 if (!mono_error_ok (&error)) {
1304 mono_error_set_pending_exception (&error);
1308 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)));
1310 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1317 ret = mono_w32socket_connect (sock, sa, sa_size, blocking);
1320 if (ret == SOCKET_ERROR)
1321 *werror = mono_w32socket_get_last_error ();
1323 mono_thread_info_uninstall_interrupt (&interrupted);
1330 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
1333 ves_icall_System_Net_Sockets_Socket_Disconnect_internal (gsize sock, MonoBoolean reuse, gint32 *werror)
1335 gboolean interrupted;
1337 LOGDEBUG (g_message("%s: disconnecting from socket %p (reuse %d)", __func__, sock, reuse));
1339 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1346 *werror = mono_w32socket_disconnect (sock, reuse);
1349 mono_thread_info_uninstall_interrupt (&interrupted);
1353 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
1356 ves_icall_System_Net_Sockets_Socket_Receive_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1362 gboolean interrupted;
1363 MonoInternalThread* curthread G_GNUC_UNUSED = mono_thread_internal_current ();
1367 alen = mono_array_length (buffer);
1368 if (offset > alen - count)
1371 buf = mono_array_addr (buffer, gchar, offset);
1373 recvflags = convert_socketflags (flags);
1374 if (recvflags == -1) {
1375 *werror = WSAEOPNOTSUPP;
1379 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1384 ret = mono_w32socket_recv (sock, buf, count, recvflags, blocking);
1387 if (ret == SOCKET_ERROR)
1388 *werror = mono_w32socket_get_last_error ();
1390 mono_thread_info_uninstall_interrupt (&interrupted);
1401 ves_icall_System_Net_Sockets_Socket_Receive_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1404 gboolean interrupted;
1407 guint32 recvflags = 0;
1411 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1412 count = mono_array_length (buffers);
1414 recvflags = convert_socketflags (flags);
1415 if (recvflags == -1) {
1416 *werror = WSAEOPNOTSUPP;
1420 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1427 ret = mono_w32socket_recvbuffers (sock, wsabufs, count, &recv, &recvflags, NULL, NULL, blocking);
1430 if (ret == SOCKET_ERROR)
1431 *werror = mono_w32socket_get_last_error ();
1433 mono_thread_info_uninstall_interrupt (&interrupted);
1444 ves_icall_System_Net_Sockets_Socket_ReceiveFrom_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject **sockaddr, gint32 *werror, gboolean blocking)
1451 struct sockaddr *sa;
1453 gboolean interrupted;
1457 alen = mono_array_length (buffer);
1458 if (offset > alen - count)
1461 sa = create_sockaddr_from_object (*sockaddr, &sa_size, werror, &error);
1464 if (!mono_error_ok (&error)) {
1465 mono_error_set_pending_exception (&error);
1469 buf = mono_array_addr (buffer, gchar, offset);
1471 recvflags = convert_socketflags (flags);
1472 if (recvflags == -1) {
1473 *werror = WSAEOPNOTSUPP;
1477 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1485 ret = mono_w32socket_recvfrom (sock, buf, count, recvflags, sa, &sa_size, blocking);
1488 if (ret == SOCKET_ERROR)
1489 *werror = mono_w32socket_get_last_error ();
1491 mono_thread_info_uninstall_interrupt (&interrupted);
1501 /* If we didn't get a socket size, then we're probably a
1502 * connected connection-oriented socket and the stack hasn't
1503 * returned the remote address. All we can do is return null.
1506 *sockaddr = create_object_from_sockaddr (sa, sa_size, werror, &error);
1507 if (!mono_error_ok (&error)) {
1508 mono_error_set_pending_exception (&error);
1522 ves_icall_System_Net_Sockets_Socket_Send_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, gint32 *werror, gboolean blocking)
1528 gboolean interrupted;
1532 alen = mono_array_length (buffer);
1533 if (offset > alen - count)
1536 LOGDEBUG (g_message("%s: alen: %d", __func__, alen));
1538 buf = mono_array_addr (buffer, gchar, offset);
1540 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1542 sendflags = convert_socketflags (flags);
1543 if (sendflags == -1) {
1544 *werror = WSAEOPNOTSUPP;
1548 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1555 ret = mono_w32socket_send (sock, buf, count, sendflags, blocking);
1558 if (ret == SOCKET_ERROR)
1559 *werror = mono_w32socket_get_last_error ();
1561 mono_thread_info_uninstall_interrupt (&interrupted);
1572 ves_icall_System_Net_Sockets_Socket_Send_array_internal (gsize sock, MonoArray *buffers, gint32 flags, gint32 *werror, gboolean blocking)
1577 guint32 sendflags = 0;
1578 gboolean interrupted;
1582 wsabufs = mono_array_addr (buffers, WSABUF, 0);
1583 count = mono_array_length (buffers);
1585 sendflags = convert_socketflags (flags);
1586 if (sendflags == -1) {
1587 *werror = WSAEOPNOTSUPP;
1591 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1598 ret = mono_w32socket_sendbuffers (sock, wsabufs, count, &sent, sendflags, NULL, NULL, blocking);
1601 if (ret == SOCKET_ERROR)
1602 *werror = mono_w32socket_get_last_error ();
1604 mono_thread_info_uninstall_interrupt (&interrupted);
1615 ves_icall_System_Net_Sockets_Socket_SendTo_internal (gsize sock, MonoArray *buffer, gint32 offset, gint32 count, gint32 flags, MonoObject *sockaddr, gint32 *werror, gboolean blocking)
1622 struct sockaddr *sa;
1624 gboolean interrupted;
1628 alen = mono_array_length (buffer);
1629 if (offset > alen - count) {
1633 sa = create_sockaddr_from_object(sockaddr, &sa_size, werror, &error);
1636 if (!mono_error_ok (&error)) {
1637 mono_error_set_pending_exception (&error);
1641 LOGDEBUG (g_message ("%s: alen: %d", __func__, alen));
1643 buf = mono_array_addr (buffer, gchar, offset);
1645 LOGDEBUG (g_message("%s: Sending %d bytes", __func__, count));
1647 sendflags = convert_socketflags (flags);
1648 if (sendflags == -1) {
1650 *werror = WSAEOPNOTSUPP;
1654 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1662 ret = mono_w32socket_sendto (sock, buf, count, sendflags, sa, sa_size, blocking);
1665 if (ret == SOCKET_ERROR)
1666 *werror = mono_w32socket_get_last_error ();
1668 mono_thread_info_uninstall_interrupt (&interrupted);
1681 Socket_to_SOCKET (MonoObject *sockobj)
1683 MonoSafeHandle *safe_handle;
1684 MonoClassField *field;
1686 field = mono_class_get_field_from_name (sockobj->vtable->klass, "m_Handle");
1687 safe_handle = ((MonoSafeHandle *)(*(gpointer *)(((char *)sockobj) + field->offset)));
1689 if (safe_handle == NULL)
1692 return (SOCKET)safe_handle->handle;
1695 #define POLL_ERRORS (MONO_POLLERR | MONO_POLLHUP | MONO_POLLNVAL)
1698 ves_icall_System_Net_Sockets_Socket_Select_internal (MonoArray **sockets, gint32 timeout, gint32 *werror)
1701 MonoInternalThread *thread = mono_thread_internal_current ();
1708 MonoClass *sock_arr_class;
1711 uintptr_t socks_size;
1712 gboolean interrupted;
1716 /* *sockets -> READ, null, WRITE, null, ERROR, null */
1717 count = mono_array_length (*sockets);
1718 nfds = count - 3; /* NULL separators */
1719 pfds = g_new0 (mono_pollfd, nfds);
1721 for (i = 0; i < count; i++) {
1722 obj = mono_array_get (*sockets, MonoObject *, i);
1729 /* The socket array was bogus */
1731 *werror = WSAEFAULT;
1735 pfds [idx].fd = Socket_to_SOCKET (obj);
1736 pfds [idx].events = (mode == 0) ? MONO_POLLIN : (mode == 1) ? MONO_POLLOUT : POLL_ERRORS;
1740 timeout = (timeout >= 0) ? (timeout / 1000) : -1;
1741 start = time (NULL);
1743 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
1752 ret = mono_poll (pfds, nfds, timeout);
1756 mono_thread_info_uninstall_interrupt (&interrupted);
1763 if (timeout > 0 && ret < 0) {
1765 int sec = time (NULL) - start;
1767 timeout -= sec * 1000;
1773 if (ret == -1 && errno == EINTR) {
1774 if (mono_thread_test_state (thread, (MonoThreadState)(ThreadState_AbortRequested | ThreadState_StopRequested))) {
1780 /* Suspend requested? */
1781 mono_thread_interruption_checkpoint ();
1785 } while (ret == -1 && errno == EINTR);
1788 *werror = mono_w32socket_convert_error (errno);
1799 sock_arr_class = ((MonoObject *)*sockets)->vtable->klass;
1800 socks_size = ((uintptr_t)ret) + 3; /* space for the NULL delimiters */
1801 socks = mono_array_new_full_checked (mono_domain_get (), sock_arr_class, &socks_size, NULL, &error);
1802 if (!mono_error_ok (&error)) {
1803 mono_error_set_pending_exception (&error);
1809 for (i = 0; i < count && ret > 0; i++) {
1812 obj = mono_array_get (*sockets, MonoObject *, i);
1819 pfd = &pfds [i - mode];
1820 if (pfd->revents == 0)
1824 if (mode == 0 && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
1825 mono_array_setref (socks, idx++, obj);
1826 } else if (mode == 1 && (pfd->revents & (MONO_POLLOUT | POLL_ERRORS)) != 0) {
1827 mono_array_setref (socks, idx++, obj);
1828 } else if ((pfd->revents & POLL_ERRORS) != 0) {
1829 mono_array_setref (socks, idx++, obj);
1838 int_to_object (MonoDomain *domain, int val, MonoError *error)
1840 return mono_value_box_checked (domain, mono_get_int32_class (), &val, error);
1844 ves_icall_System_Net_Sockets_Socket_GetSocketOption_obj_internal (gsize sock, gint32 level, gint32 name, MonoObject **obj_val, gint32 *werror)
1846 int system_level = 0;
1847 int system_name = 0;
1850 socklen_t valsize = sizeof (val);
1851 struct linger linger;
1852 socklen_t lingersize = sizeof (linger);
1854 socklen_t time_ms_size = sizeof (time_ms);
1856 # if defined(__OpenBSD__)
1857 struct sockpeercred cred;
1861 socklen_t credsize = sizeof (cred);
1864 MonoDomain *domain = mono_domain_get ();
1866 MonoClass *obj_class;
1867 MonoClassField *field;
1871 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1872 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
1873 system_level = SOL_SOCKET;
1874 system_name = SO_REUSEADDR;
1879 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level, &system_name);
1883 *werror = WSAENOPROTOOPT;
1887 *obj_val = int_to_object (domain, 0, &error);
1888 mono_error_set_pending_exception (&error);
1894 /* No need to deal with MulticastOption names here, because
1895 * you cant getsockopt AddMembership or DropMembership (the
1896 * int getsockopt will error, causing an exception)
1899 case SocketOptionName_Linger:
1900 case SocketOptionName_DontLinger:
1901 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &linger, &lingersize);
1904 case SocketOptionName_SendTimeout:
1905 case SocketOptionName_ReceiveTimeout:
1906 ret = mono_w32socket_getsockopt (sock, system_level, system_name, (char *)&time_ms, &time_ms_size);
1910 case SocketOptionName_PeerCred:
1911 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &cred, &credsize);
1916 ret = mono_w32socket_getsockopt (sock, system_level, system_name, &val, &valsize);
1921 if (ret == SOCKET_ERROR) {
1922 *werror = mono_w32socket_get_last_error ();
1927 case SocketOptionName_Linger:
1928 /* build a System.Net.Sockets.LingerOption */
1929 obj_class = mono_class_load_from_name (get_socket_assembly (),
1930 "System.Net.Sockets",
1932 obj = mono_object_new_checked (domain, obj_class, &error);
1933 if (!mono_error_ok (&error)) {
1934 mono_error_set_pending_exception (&error);
1938 /* Locate and set the fields "bool enabled" and "int
1941 field = mono_class_get_field_from_name(obj_class, "enabled");
1942 *(guint8 *)(((char *)obj)+field->offset) = linger.l_onoff;
1944 field = mono_class_get_field_from_name(obj_class, "lingerTime");
1945 *(guint32 *)(((char *)obj)+field->offset)=linger.l_linger;
1947 case SocketOptionName_DontLinger:
1948 /* construct a bool int in val - true if linger is off */
1949 obj = int_to_object (domain, !linger.l_onoff, &error);
1950 mono_error_set_pending_exception (&error);
1952 case SocketOptionName_SendTimeout:
1953 case SocketOptionName_ReceiveTimeout:
1954 obj = int_to_object (domain, time_ms, &error);
1955 mono_error_set_pending_exception (&error);
1959 case SocketOptionName_PeerCred: {
1961 * build a Mono.Posix.PeerCred+PeerCredData if
1964 static MonoImage *mono_posix_image = NULL;
1965 MonoPeerCredData *cred_data;
1967 if (mono_posix_image == NULL) {
1968 mono_posix_image = mono_image_loaded ("Mono.Posix");
1969 if (!mono_posix_image) {
1970 MonoAssembly *sa = mono_assembly_open ("Mono.Posix.dll", NULL);
1972 *werror = WSAENOPROTOOPT;
1975 mono_posix_image = mono_assembly_get_image (sa);
1980 obj_class = mono_class_load_from_name (mono_posix_image,
1983 obj = mono_object_new_checked (domain, obj_class, &error);
1984 if (!mono_error_ok (&error)) {
1985 mono_error_set_pending_exception (&error);
1988 cred_data = (MonoPeerCredData *)obj;
1989 cred_data->pid = cred.pid;
1990 cred_data->uid = cred.uid;
1991 cred_data->gid = cred.gid;
1997 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
1998 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse)
2001 obj = int_to_object (domain, val, &error);
2002 mono_error_set_pending_exception (&error);
2009 ves_icall_System_Net_Sockets_Socket_GetSocketOption_arr_internal (gsize sock, gint32 level, gint32 name, MonoArray **byte_val, gint32 *werror)
2011 int system_level = 0;
2012 int system_name = 0;
2019 ret = convert_sockopt_level_and_name((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2022 *werror = WSAENOPROTOOPT;
2028 valsize = mono_array_length (*byte_val);
2029 buf = mono_array_addr (*byte_val, guchar, 0);
2033 ret = mono_w32socket_getsockopt (sock, system_level, system_name, buf, &valsize);
2037 if (ret == SOCKET_ERROR)
2038 *werror = mono_w32socket_get_last_error ();
2041 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2042 static struct in_addr
2043 ipaddress_to_struct_in_addr (MonoObject *ipaddr)
2045 struct in_addr inaddr;
2046 MonoClassField *field;
2048 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Address");
2050 /* No idea why .net uses a 64bit type to hold a 32bit value...
2052 * Internal value of IPAddess is in little-endian order
2054 inaddr.s_addr = GUINT_FROM_LE ((guint32)*(guint64 *)(((char *)ipaddr) + field->offset));
2059 static struct in6_addr
2060 ipaddress_to_struct_in6_addr (MonoObject *ipaddr)
2062 struct in6_addr in6addr;
2063 MonoClassField *field;
2067 field = mono_class_get_field_from_name (ipaddr->vtable->klass, "m_Numbers");
2069 data = *(MonoArray **)(((char *)ipaddr) + field->offset);
2071 for (i = 0; i < 8; i++) {
2072 const guint16 s = GUINT16_TO_BE (mono_array_get (data, guint16, i));
2074 /* Solaris/MacOS have only the 8 bit version. */
2076 in6addr.s6_addr[2 * i + 1] = (s >> 8) & 0xff;
2077 in6addr.s6_addr[2 * i] = s & 0xff;
2079 in6addr.s6_addr16[i] = s;
2086 #if defined(__APPLE__) || defined(__FreeBSD__)
2089 get_local_interface_id (int family)
2091 #if !defined(HAVE_GETIFADDRS) || !defined(HAVE_IF_NAMETOINDEX)
2094 struct ifaddrs *ifap = NULL, *ptr;
2097 if (getifaddrs (&ifap))
2100 for (ptr = ifap; ptr; ptr = ptr->ifa_next) {
2101 if (!ptr->ifa_addr || !ptr->ifa_name)
2103 if (ptr->ifa_addr->sa_family != family)
2105 if ((ptr->ifa_flags & IFF_LOOPBACK) != 0)
2107 if ((ptr->ifa_flags & IFF_MULTICAST) == 0)
2110 idx = if_nametoindex (ptr->ifa_name);
2119 #endif /* defined(__APPLE__) || defined(__FreeBSD__) */
2122 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)
2124 struct linger linger;
2125 int system_level = 0;
2126 int system_name = 0;
2133 sol_ipv6 = mono_networking_get_ipv6_protocol ();
2134 sol_ip = mono_networking_get_ip_protocol ();
2136 ret = convert_sockopt_level_and_name ((MonoSocketOptionLevel)level, (MonoSocketOptionName)name, &system_level,
2139 #if !defined(SO_EXCLUSIVEADDRUSE) && defined(SO_REUSEADDR)
2140 if (level == SocketOptionLevel_Socket && name == SocketOptionName_ExclusiveAddressUse) {
2141 system_name = SO_REUSEADDR;
2142 int_val = int_val ? 0 : 1;
2148 *werror = WSAENOPROTOOPT;
2154 /* Only one of obj_val, byte_val or int_val has data */
2156 MonoClassField *field;
2160 case SocketOptionName_Linger:
2161 /* Dig out "bool enabled" and "int lingerTime"
2164 field = mono_class_get_field_from_name (obj_val->vtable->klass, "enabled");
2165 linger.l_onoff = *(guint8 *)(((char *)obj_val) + field->offset);
2166 field = mono_class_get_field_from_name (obj_val->vtable->klass, "lingerTime");
2167 linger.l_linger = *(guint32 *)(((char *)obj_val) + field->offset);
2169 valsize = sizeof (linger);
2170 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, valsize);
2172 case SocketOptionName_AddMembership:
2173 case SocketOptionName_DropMembership:
2174 #if defined(HAVE_STRUCT_IP_MREQN) || defined(HAVE_STRUCT_IP_MREQ)
2176 MonoObject *address = NULL;
2178 if (system_level == sol_ipv6) {
2179 struct ipv6_mreq mreq6;
2184 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Group");
2186 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2189 mreq6.ipv6mr_multiaddr = ipaddress_to_struct_in6_addr (address);
2191 field = mono_class_get_field_from_name (obj_val->vtable->klass, "m_Interface");
2192 mreq6.ipv6mr_interface = *(guint64 *)(((char *)obj_val) + field->offset);
2194 #if defined(__APPLE__) || defined(__FreeBSD__)
2198 * Mac OS Lion doesn't allow ipv6mr_interface = 0.
2200 * Tests on Windows and Linux show that the multicast group is only
2201 * joined on one NIC when interface = 0, so we simply use the interface
2202 * id from the first non-loopback interface (this is also what
2203 * Dns.GetHostName (string.Empty) would return).
2205 if (!mreq6.ipv6mr_interface)
2206 mreq6.ipv6mr_interface = get_local_interface_id (AF_INET6);
2209 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq6, sizeof (mreq6));
2210 } else if (system_level == sol_ip) {
2211 #ifdef HAVE_STRUCT_IP_MREQN
2212 struct ip_mreqn mreq = {{0}};
2214 struct ip_mreq mreq = {{0}};
2215 #endif /* HAVE_STRUCT_IP_MREQN */
2218 * pain! MulticastOption holds two IPAddress
2219 * members, so I have to dig the value out of
2222 field = mono_class_get_field_from_name (obj_val->vtable->klass, "group");
2223 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2225 /* address might not be defined and if so, set the address to ADDR_ANY.
2228 mreq.imr_multiaddr = ipaddress_to_struct_in_addr (address);
2230 field = mono_class_get_field_from_name (obj_val->vtable->klass, "localAddress");
2231 address = *(MonoObject **)(((char *)obj_val) + field->offset);
2233 #ifdef HAVE_STRUCT_IP_MREQN
2235 mreq.imr_address = ipaddress_to_struct_in_addr (address);
2237 field = mono_class_get_field_from_name (obj_val->vtable->klass, "ifIndex");
2238 mreq.imr_ifindex = *(gint32 *)(((char *)obj_val) + field->offset);
2241 mreq.imr_interface = ipaddress_to_struct_in_addr (address);
2242 #endif /* HAVE_STRUCT_IP_MREQN */
2244 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &mreq, sizeof (mreq));
2248 #endif /* HAVE_STRUCT_IP_MREQN || HAVE_STRUCT_IP_MREQ */
2250 /* Cause an exception to be thrown */
2251 *werror = WSAEINVAL;
2254 } else if (byte_val!=NULL) {
2255 int valsize = mono_array_length (byte_val);
2256 guchar *buf = mono_array_addr (byte_val, guchar, 0);
2259 case SocketOptionName_DontLinger:
2261 linger.l_onoff = (*buf) ? 0 : 1;
2262 linger.l_linger = 0;
2263 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2265 *werror = WSAEINVAL;
2269 ret = mono_w32socket_setsockopt (sock, system_level, system_name, buf, valsize);
2273 /* ReceiveTimeout/SendTimeout get here */
2275 case SocketOptionName_DontLinger:
2276 linger.l_onoff = !int_val;
2277 linger.l_linger = 0;
2278 ret = mono_w32socket_setsockopt (sock, system_level, system_name, &linger, sizeof (linger));
2280 case SocketOptionName_MulticastInterface:
2282 #ifdef HAVE_STRUCT_IP_MREQN
2283 int_val = GUINT32_FROM_BE (int_val);
2284 if ((int_val & 0xff000000) == 0) {
2285 /* int_val is interface index */
2286 struct ip_mreqn mreq = {{0}};
2287 mreq.imr_ifindex = int_val;
2288 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &mreq, sizeof (mreq));
2291 int_val = GUINT32_TO_BE (int_val);
2292 #endif /* HAVE_STRUCT_IP_MREQN */
2293 #endif /* HOST_WIN32 */
2294 /* int_val is in_addr */
2295 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2297 case SocketOptionName_DontFragment:
2298 #ifdef HAVE_IP_MTU_DISCOVER
2299 /* Fiddle with the value slightly if we're
2303 int_val = IP_PMTUDISC_DO;
2308 ret = mono_w32socket_setsockopt (sock, system_level, system_name, (char *) &int_val, sizeof (int_val));
2312 if (ret == SOCKET_ERROR)
2313 *werror = mono_w32socket_get_last_error ();
2317 ves_icall_System_Net_Sockets_Socket_Shutdown_internal (gsize sock, gint32 how, gint32 *werror)
2320 gboolean interrupted;
2324 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2332 /* Currently, the values for how (recv=0, send=1, both=2) match the BSD API */
2333 ret = mono_w32socket_shutdown (sock, how);
2337 if (ret == SOCKET_ERROR)
2338 *werror = mono_w32socket_get_last_error ();
2340 mono_thread_info_uninstall_interrupt (&interrupted);
2348 ves_icall_System_Net_Sockets_Socket_IOControl_internal (gsize sock, gint32 code, MonoArray *input, MonoArray *output, gint32 *werror)
2350 glong output_bytes = 0;
2351 gchar *i_buffer, *o_buffer;
2357 if ((guint32)code == FIONBIO)
2358 /* Invalid command. Must use Socket.Blocking */
2361 if (input == NULL) {
2365 i_buffer = mono_array_addr (input, gchar, 0);
2366 i_len = mono_array_length (input);
2369 if (output == NULL) {
2373 o_buffer = mono_array_addr (output, gchar, 0);
2374 o_len = mono_array_length (output);
2379 ret = mono_w32socket_ioctl (sock, code, i_buffer, i_len, o_buffer, o_len, &output_bytes);
2383 if (ret == SOCKET_ERROR) {
2384 *werror = mono_w32socket_get_last_error ();
2388 return (gint)output_bytes;
2392 addrinfo_to_IPHostEntry (MonoAddressInfo *info, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gboolean add_local_ips, MonoError *error)
2395 MonoAddressEntry *ai = NULL;
2396 struct in_addr *local_in = NULL;
2398 struct in6_addr *local_in6 = NULL;
2401 MonoDomain *domain = mono_domain_get ();
2403 mono_error_init (error);
2405 *h_aliases = mono_array_new_checked (domain, mono_get_string_class (), 0, error);
2406 return_val_if_nok (error, FALSE);
2407 if (add_local_ips) {
2408 local_in = (struct in_addr *) mono_get_local_interfaces (AF_INET, &nlocal_in);
2409 local_in6 = (struct in6_addr *) mono_get_local_interfaces (AF_INET6, &nlocal_in6);
2410 if (nlocal_in || nlocal_in6) {
2411 char addr [INET6_ADDRSTRLEN];
2412 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), nlocal_in + nlocal_in6, error);
2417 MonoString *addr_string;
2420 for (i = 0; i < nlocal_in; i++) {
2422 mono_address_init (&maddr, AF_INET, &local_in [i]);
2423 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2424 addr_string = mono_string_new (domain, addr);
2425 mono_array_setref (*h_addr_list, addr_index, addr_string);
2432 MonoString *addr_string;
2435 for (i = 0; i < nlocal_in6; i++) {
2437 mono_address_init (&maddr, AF_INET6, &local_in6 [i]);
2438 if (mono_networking_addr_to_str (&maddr, addr, sizeof (addr))) {
2439 addr_string = mono_string_new (domain, addr);
2440 mono_array_setref (*h_addr_list, addr_index, addr_string);
2450 mono_free_address_info (info);
2451 return is_ok (error);;
2458 for (count = 0, ai = info->entries; ai != NULL; ai = ai->next) {
2459 if (ai->family != AF_INET && ai->family != AF_INET6)
2464 *h_addr_list = mono_array_new_checked (domain, mono_get_string_class (), count, error);
2468 for (ai = info->entries, i = 0; ai != NULL; ai = ai->next) {
2470 MonoString *addr_string;
2471 char buffer [INET6_ADDRSTRLEN]; /* Max. size for IPv6 */
2473 if ((ai->family != PF_INET) && (ai->family != PF_INET6))
2476 mono_address_init (&maddr, ai->family, &ai->address);
2477 if (mono_networking_addr_to_str (&maddr, buffer, sizeof (buffer)))
2478 addr_string = mono_string_new (domain, buffer);
2480 addr_string = mono_string_new (domain, "");
2482 mono_array_setref (*h_addr_list, addr_index, addr_string);
2486 if (ai->canonical_name != NULL) {
2487 *h_name = mono_string_new (domain, ai->canonical_name);
2489 *h_name = mono_string_new (domain, buffer);
2498 mono_free_address_info (info);
2500 return is_ok (error);
2504 ves_icall_System_Net_Dns_GetHostByName_internal (MonoString *host, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2507 gboolean add_local_ips = FALSE, add_info_ok = TRUE;
2508 gchar this_hostname [256];
2509 MonoAddressInfo *info = NULL;
2511 char *hostname = mono_string_to_utf8_checked (host, &error);
2512 if (mono_error_set_pending_exception (&error))
2515 if (*hostname == '\0') {
2516 add_local_ips = TRUE;
2520 if (!add_local_ips && gethostname (this_hostname, sizeof (this_hostname)) != -1) {
2521 if (!strcmp (hostname, this_hostname)) {
2522 add_local_ips = TRUE;
2528 // Win32 APIs already returns local interface addresses for empty hostname ("")
2529 // so we never want to add them manually.
2530 add_local_ips = FALSE;
2531 if (mono_get_address_info(hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2532 add_info_ok = FALSE;
2534 if (*hostname && mono_get_address_info (hostname, 0, MONO_HINT_CANONICAL_NAME | hint, &info))
2535 add_info_ok = FALSE;
2541 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, add_local_ips, &error);
2542 mono_error_set_pending_exception (&error);
2549 ves_icall_System_Net_Dns_GetHostByAddr_internal (MonoString *addr, MonoString **h_name, MonoArray **h_aliases, MonoArray **h_addr_list, gint32 hint)
2552 struct sockaddr_in saddr;
2553 struct sockaddr_in6 saddr6;
2554 MonoAddressInfo *info = NULL;
2557 gchar hostname [NI_MAXHOST] = { 0 };
2560 address = mono_string_to_utf8_checked (addr, &error);
2561 if (mono_error_set_pending_exception (&error))
2564 if (inet_pton (AF_INET, address, &saddr.sin_addr ) == 1) {
2566 saddr.sin_family = AF_INET;
2567 } else if (inet_pton (AF_INET6, address, &saddr6.sin6_addr) == 1) {
2569 saddr6.sin6_family = AF_INET6;
2581 #if HAVE_SOCKADDR_IN_SIN_LEN
2582 saddr.sin_len = sizeof (saddr);
2584 ret = getnameinfo ((struct sockaddr*)&saddr, sizeof (saddr), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2588 #if HAVE_SOCKADDR_IN6_SIN_LEN
2589 saddr6.sin6_len = sizeof (saddr6);
2591 ret = getnameinfo ((struct sockaddr*)&saddr6, sizeof (saddr6), hostname, sizeof (hostname), NULL, 0, 0) == 0;
2595 g_assert_not_reached ();
2603 if (mono_get_address_info (hostname, 0, hint | MONO_HINT_CANONICAL_NAME | MONO_HINT_CONFIGURED_ONLY, &info) != 0)
2606 MonoBoolean result = addrinfo_to_IPHostEntry (info, h_name, h_aliases, h_addr_list, FALSE, &error);
2607 mono_error_set_pending_exception (&error);
2612 ves_icall_System_Net_Dns_GetHostName_internal (MonoString **h_name)
2614 gchar hostname [NI_MAXHOST] = { 0 };
2617 ret = gethostname (hostname, sizeof (hostname));
2621 *h_name = mono_string_new (mono_domain_get (), hostname);
2626 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
2628 ves_icall_System_Net_Sockets_Socket_SendFile_internal (gsize sock, MonoString *filename, MonoArray *pre_buffer, MonoArray *post_buffer, gint flags, gint32 *werror, gboolean blocking)
2632 gboolean interrupted;
2633 TRANSMIT_FILE_BUFFERS buffers;
2635 if (filename == NULL)
2638 /* FIXME: replace file by a proper fd that we can call open and close on, as they are interruptible */
2640 file = ves_icall_System_IO_MonoIO_Open (filename, FileMode_Open, FileAccess_Read, FileShare_Read, 0, werror);
2642 if (file == INVALID_HANDLE_VALUE) {
2643 SetLastError (*werror);
2647 memset (&buffers, 0, sizeof (buffers));
2648 if (pre_buffer != NULL) {
2649 buffers.Head = mono_array_addr (pre_buffer, guchar, 0);
2650 buffers.HeadLength = mono_array_length (pre_buffer);
2652 if (post_buffer != NULL) {
2653 buffers.Tail = mono_array_addr (post_buffer, guchar, 0);
2654 buffers.TailLength = mono_array_length (post_buffer);
2657 mono_thread_info_install_interrupt (abort_syscall, (gpointer) (gsize) mono_native_thread_id_get (), &interrupted);
2660 SetLastError (WSAEINTR);
2665 ret = mono_w32socket_transmit_file (sock, file, &buffers, flags, blocking);
2669 *werror = mono_w32socket_get_last_error ();
2671 mono_thread_info_uninstall_interrupt (&interrupted);
2689 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
2692 mono_network_init (void)
2694 mono_networking_init ();
2695 mono_w32socket_initialize ();
2699 mono_network_cleanup (void)
2701 mono_w32socket_cleanup ();
2702 mono_networking_shutdown ();
2706 icall_cancel_blocking_socket_operation (MonoThread *thread)
2708 MonoInternalThread *internal;
2710 internal = thread->internal_thread;
2711 g_assert (internal);
2713 mono_thread_info_abort_socket_syscall_for_close (MONO_UINT_TO_NATIVE_THREAD_ID (internal->tid));
2716 #endif /* #ifndef DISABLE_SOCKETS */