/
socket-io.c
2704 lines (2248 loc) · 62 KB
/
socket-io.c
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/*
* socket-io.c: Socket IO internal calls
*
* Authors:
* Dick Porter (dick@ximian.com)
* Gonzalo Paniagua Javier (gonzalo@ximian.com)
*
* (C) 2001 Ximian, Inc.
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
*/
#include <config.h>
#include <glib.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <mono/metadata/object.h>
#include <mono/io-layer/io-layer.h>
#include <mono/metadata/socket-io.h>
#include <mono/metadata/exception.h>
#include <mono/metadata/assembly.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/threads.h>
#include <mono/metadata/threads-types.h>
#include <mono/utils/mono-poll.h>
/* FIXME change this code to not mess so much with the internals */
#include <mono/metadata/class-internals.h>
#include <mono/metadata/threadpool-internals.h>
#include <sys/time.h>
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_SYS_FILIO_H
#include <sys/filio.h> /* defines FIONBIO and FIONREAD */
#endif
#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h> /* defines SIOCATMARK */
#endif
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
#include "mono/io-layer/socket-wrappers.h"
#ifdef PLATFORM_WIN32
/* This is a kludge to make this file build under cygwin:
* w32api/ws2tcpip.h has definitions for some AF_INET6 values and
* prototypes for some but not all required functions (notably
* inet_ntop() is missing), but the libws2_32 library is missing the
* actual implementations of these functions.
*/
#undef AF_INET6
#endif
#undef DEBUG
static gint32 convert_family(MonoAddressFamily mono_family)
{
gint32 family=-1;
switch(mono_family) {
case AddressFamily_Unknown:
case AddressFamily_ImpLink:
case AddressFamily_Pup:
case AddressFamily_Chaos:
case AddressFamily_Iso:
case AddressFamily_Ecma:
case AddressFamily_DataKit:
case AddressFamily_Ccitt:
case AddressFamily_DataLink:
case AddressFamily_Lat:
case AddressFamily_HyperChannel:
case AddressFamily_NetBios:
case AddressFamily_VoiceView:
case AddressFamily_FireFox:
case AddressFamily_Banyan:
case AddressFamily_Atm:
case AddressFamily_Cluster:
case AddressFamily_Ieee12844:
case AddressFamily_NetworkDesigners:
g_warning("System.Net.Sockets.AddressFamily has unsupported value 0x%x", mono_family);
break;
case AddressFamily_Unspecified:
family=AF_UNSPEC;
break;
case AddressFamily_Unix:
family=AF_UNIX;
break;
case AddressFamily_InterNetwork:
family=AF_INET;
break;
case AddressFamily_Ipx:
#ifdef AF_IPX
family=AF_IPX;
#endif
break;
case AddressFamily_Sna:
family=AF_SNA;
break;
case AddressFamily_DecNet:
family=AF_DECnet;
break;
case AddressFamily_AppleTalk:
family=AF_APPLETALK;
break;
case AddressFamily_InterNetworkV6:
#ifdef AF_INET6
family=AF_INET6;
#endif
break;
case AddressFamily_Irda:
#ifdef AF_IRDA
family=AF_IRDA;
#endif
break;
default:
g_warning("System.Net.Sockets.AddressFamily has unknown value 0x%x", mono_family);
}
return(family);
}
static MonoAddressFamily convert_to_mono_family(guint16 af_family)
{
MonoAddressFamily family=AddressFamily_Unknown;
switch(af_family) {
case AF_UNSPEC:
family=AddressFamily_Unspecified;
break;
case AF_UNIX:
family=AddressFamily_Unix;
break;
case AF_INET:
family=AddressFamily_InterNetwork;
break;
#ifdef AF_IPX
case AF_IPX:
family=AddressFamily_Ipx;
break;
#endif
case AF_SNA:
family=AddressFamily_Sna;
break;
case AF_DECnet:
family=AddressFamily_DecNet;
break;
case AF_APPLETALK:
family=AddressFamily_AppleTalk;
break;
#ifdef AF_INET6
case AF_INET6:
family=AddressFamily_InterNetworkV6;
break;
#endif
#ifdef AF_IRDA
case AF_IRDA:
family=AddressFamily_Irda;
break;
#endif
default:
g_warning("unknown address family 0x%x", af_family);
}
return(family);
}
static gint32 convert_type(MonoSocketType mono_type)
{
gint32 type=-1;
switch(mono_type) {
case SocketType_Stream:
type=SOCK_STREAM;
break;
case SocketType_Dgram:
type=SOCK_DGRAM;
break;
case SocketType_Raw:
type=SOCK_RAW;
break;
case SocketType_Rdm:
type=SOCK_RDM;
break;
case SocketType_Seqpacket:
type=SOCK_SEQPACKET;
break;
case SocketType_Unknown:
g_warning("System.Net.Sockets.SocketType has unsupported value 0x%x", mono_type);
break;
default:
g_warning("System.Net.Sockets.SocketType has unknown value 0x%x", mono_type);
}
return(type);
}
static gint32 convert_proto(MonoProtocolType mono_proto)
{
gint32 proto=-1;
switch(mono_proto) {
case ProtocolType_IP:
case ProtocolType_IPv6:
case ProtocolType_Icmp:
case ProtocolType_Igmp:
case ProtocolType_Ggp:
case ProtocolType_Tcp:
case ProtocolType_Pup:
case ProtocolType_Udp:
case ProtocolType_Idp:
/* These protocols are known (on my system at least) */
proto=mono_proto;
break;
case ProtocolType_ND:
case ProtocolType_Raw:
case ProtocolType_Ipx:
case ProtocolType_Spx:
case ProtocolType_SpxII:
case ProtocolType_Unknown:
/* These protocols arent */
g_warning("System.Net.Sockets.ProtocolType has unsupported value 0x%x", mono_proto);
break;
default:
break;
}
return(proto);
}
/* Convert MonoSocketFlags */
static gint32 convert_socketflags (gint32 sflags)
{
gint32 flags = 0;
if (!sflags)
/* SocketFlags.None */
return 0;
if (sflags & ~(SocketFlags_OutOfBand | SocketFlags_MaxIOVectorLength | SocketFlags_Peek |
SocketFlags_DontRoute | SocketFlags_Partial))
/* Contains invalid flag values */
return -1;
if (sflags & SocketFlags_OutOfBand)
flags |= MSG_OOB;
if (sflags & SocketFlags_Peek)
flags |= MSG_PEEK;
if (sflags & SocketFlags_DontRoute)
flags |= MSG_DONTROUTE;
if (sflags & SocketFlags_Partial)
#ifdef MSG_MORE
flags |= MSG_MORE;
#else
return -1;
#endif
if (sflags & SocketFlags_MaxIOVectorLength)
/* FIXME: Don't know what to do for MaxIOVectorLength query */
return -1;
return (flags ? flags : -1);
}
static gint32 convert_sockopt_level_and_name(MonoSocketOptionLevel mono_level,
MonoSocketOptionName mono_name,
int *system_level,
int *system_name)
{
switch (mono_level) {
case SocketOptionLevel_Socket:
*system_level = SOL_SOCKET;
switch(mono_name) {
case SocketOptionName_DontLinger:
/* This is SO_LINGER, because the setsockopt
* internal call maps DontLinger to SO_LINGER
* with l_onoff=0
*/
*system_name = SO_LINGER;
break;
case SocketOptionName_Debug:
*system_name = SO_DEBUG;
break;
#ifdef SO_ACCEPTCONN
case SocketOptionName_AcceptConnection:
*system_name = SO_ACCEPTCONN;
break;
#endif
case SocketOptionName_ReuseAddress:
*system_name = SO_REUSEADDR;
break;
case SocketOptionName_KeepAlive:
*system_name = SO_KEEPALIVE;
break;
case SocketOptionName_DontRoute:
*system_name = SO_DONTROUTE;
break;
case SocketOptionName_Broadcast:
*system_name = SO_BROADCAST;
break;
case SocketOptionName_Linger:
*system_name = SO_LINGER;
break;
case SocketOptionName_OutOfBandInline:
*system_name = SO_OOBINLINE;
break;
case SocketOptionName_SendBuffer:
*system_name = SO_SNDBUF;
break;
case SocketOptionName_ReceiveBuffer:
*system_name = SO_RCVBUF;
break;
case SocketOptionName_SendLowWater:
*system_name = SO_SNDLOWAT;
break;
case SocketOptionName_ReceiveLowWater:
*system_name = SO_RCVLOWAT;
break;
case SocketOptionName_SendTimeout:
*system_name = SO_SNDTIMEO;
break;
case SocketOptionName_ReceiveTimeout:
*system_name = SO_RCVTIMEO;
break;
case SocketOptionName_Error:
*system_name = SO_ERROR;
break;
case SocketOptionName_Type:
*system_name = SO_TYPE;
break;
#ifdef SO_PEERCRED
case SocketOptionName_PeerCred:
*system_name = SO_PEERCRED;
break;
#endif
case SocketOptionName_ExclusiveAddressUse:
case SocketOptionName_UseLoopback:
case SocketOptionName_MaxConnections:
/* Can't figure out how to map these, so fall
* through
*/
default:
g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at Socket level", mono_name);
return(-1);
}
break;
case SocketOptionLevel_IP:
#ifdef HAVE_SOL_IP
*system_level = SOL_IP;
#else
if (1) {
static int cached = 0;
static int proto;
if (!cached) {
struct protoent *pent;
pent = getprotobyname ("IP");
proto = pent ? pent->p_proto : 0 /* 0 a good default value?? */;
cached = 1;
}
*system_level = proto;
}
#endif /* HAVE_SOL_IP */
switch(mono_name) {
case SocketOptionName_IPOptions:
*system_name = IP_OPTIONS;
break;
#ifdef IP_HDRINCL
case SocketOptionName_HeaderIncluded:
*system_name = IP_HDRINCL;
break;
#endif
#ifdef IP_TOS
case SocketOptionName_TypeOfService:
*system_name = IP_TOS;
break;
#endif
#ifdef IP_TTL
case SocketOptionName_IpTimeToLive:
*system_name = IP_TTL;
break;
#endif
case SocketOptionName_MulticastInterface:
*system_name = IP_MULTICAST_IF;
break;
case SocketOptionName_MulticastTimeToLive:
*system_name = IP_MULTICAST_TTL;
break;
case SocketOptionName_MulticastLoopback:
*system_name = IP_MULTICAST_LOOP;
break;
case SocketOptionName_AddMembership:
*system_name = IP_ADD_MEMBERSHIP;
break;
case SocketOptionName_DropMembership:
*system_name = IP_DROP_MEMBERSHIP;
break;
#ifdef HAVE_IP_PKTINFO
case SocketOptionName_PacketInformation:
*system_name = IP_PKTINFO;
break;
#endif /* HAVE_IP_PKTINFO */
case SocketOptionName_DontFragment:
case SocketOptionName_AddSourceMembership:
case SocketOptionName_DropSourceMembership:
case SocketOptionName_BlockSource:
case SocketOptionName_UnblockSource:
/* Can't figure out how to map these, so fall
* through
*/
default:
g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IP level", mono_name);
return(-1);
}
break;
#ifdef AF_INET6
case SocketOptionLevel_IPv6:
#ifdef HAVE_SOL_IPV6
*system_level = SOL_IPV6;
#else
if (1) {
static int cached = 0;
static int proto;
if (!cached) {
struct protoent *pent;
pent = getprotobyname ("IPV6");
proto = pent ? pent->p_proto : 41 /* 41 a good default value?? */;
cached = 1;
}
*system_level = proto;
}
#endif /* HAVE_SOL_IPV6 */
switch(mono_name) {
case SocketOptionName_IpTimeToLive:
*system_name = IPV6_UNICAST_HOPS;
break;
case SocketOptionName_MulticastInterface:
*system_name = IPV6_MULTICAST_IF;
break;
case SocketOptionName_MulticastTimeToLive:
*system_name = IPV6_MULTICAST_HOPS;
break;
case SocketOptionName_MulticastLoopback:
*system_name = IPV6_MULTICAST_LOOP;
break;
case SocketOptionName_AddMembership:
*system_name = IPV6_JOIN_GROUP;
break;
case SocketOptionName_DropMembership:
*system_name = IPV6_LEAVE_GROUP;
break;
case SocketOptionName_PacketInformation:
#ifdef HAVE_IPV6_PKTINFO
*system_name = IPV6_PKTINFO;
#endif
break;
case SocketOptionName_HeaderIncluded:
case SocketOptionName_IPOptions:
case SocketOptionName_TypeOfService:
case SocketOptionName_DontFragment:
case SocketOptionName_AddSourceMembership:
case SocketOptionName_DropSourceMembership:
case SocketOptionName_BlockSource:
case SocketOptionName_UnblockSource:
/* Can't figure out how to map these, so fall
* through
*/
default:
g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at IPv6 level", mono_name);
return(-1);
}
break; /* SocketOptionLevel_IPv6 */
#endif
case SocketOptionLevel_Tcp:
#ifdef HAVE_SOL_TCP
*system_level = SOL_TCP;
#else
if (1) {
static int cached = 0;
static int proto;
if (!cached) {
struct protoent *pent;
pent = getprotobyname ("TCP");
proto = pent ? pent->p_proto : 6 /* is 6 a good default value?? */;
cached = 1;
}
*system_level = proto;
}
#endif /* HAVE_SOL_TCP */
switch(mono_name) {
case SocketOptionName_NoDelay:
*system_name = TCP_NODELAY;
break;
#if 0
/* The documentation is talking complete
* bollocks here: rfc-1222 is titled
* 'Advancing the NSFNET Routing Architecture'
* and doesn't mention either of the words
* "expedite" or "urgent".
*/
case SocketOptionName_BsdUrgent:
case SocketOptionName_Expedited:
#endif
default:
g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at TCP level", mono_name);
return(-1);
}
break;
case SocketOptionLevel_Udp:
g_warning("System.Net.Sockets.SocketOptionLevel has unsupported value 0x%x", mono_level);
switch(mono_name) {
case SocketOptionName_NoChecksum:
case SocketOptionName_ChecksumCoverage:
default:
g_warning("System.Net.Sockets.SocketOptionName 0x%x is not supported at UDP level", mono_name);
return(-1);
}
return(-1);
break;
default:
g_warning("System.Net.Sockets.SocketOptionLevel has unknown value 0x%x", mono_level);
return(-1);
}
return(0);
}
#define STASH_SYS_ASS(this) \
if(system_assembly == NULL) { \
system_assembly=mono_image_loaded ("System"); \
if (!system_assembly) { \
MonoAssembly *sa = mono_assembly_open ("System.dll", NULL); \
if (!sa) g_assert_not_reached (); \
else {system_assembly = mono_assembly_get_image (sa);} \
} \
}
static MonoImage *system_assembly=NULL;
#ifdef AF_INET6
static gint32 get_family_hint(void)
{
MonoClass *socket_class;
MonoClassField *ipv6_field, *ipv4_field;
gint32 ipv6_enabled = -1, ipv4_enabled = -1;
MonoVTable *vtable;
socket_class = mono_class_from_name (system_assembly,
"System.Net.Sockets", "Socket");
ipv4_field = mono_class_get_field_from_name (socket_class,
"ipv4Supported");
ipv6_field = mono_class_get_field_from_name (socket_class,
"ipv6Supported");
vtable = mono_class_vtable (mono_domain_get (), socket_class);
mono_field_static_get_value(vtable, ipv4_field, &ipv4_enabled);
mono_field_static_get_value(vtable, ipv6_field, &ipv6_enabled);
if(ipv4_enabled == 1 && ipv6_enabled == 1) {
return(PF_UNSPEC);
} else if(ipv4_enabled == 1) {
return(PF_INET);
} else {
return(PF_INET6);
}
}
#endif
gpointer ves_icall_System_Net_Sockets_Socket_Socket_internal(MonoObject *this, gint32 family, gint32 type, gint32 proto, gint32 *error)
{
SOCKET sock;
gint32 sock_family;
gint32 sock_proto;
gint32 sock_type;
MONO_ARCH_SAVE_REGS;
STASH_SYS_ASS(this);
*error = 0;
sock_family=convert_family(family);
if(sock_family==-1) {
*error = WSAEAFNOSUPPORT;
return(NULL);
}
sock_proto=convert_proto(proto);
if(sock_proto==-1) {
*error = WSAEPROTONOSUPPORT;
return(NULL);
}
sock_type=convert_type(type);
if(sock_type==-1) {
*error = WSAESOCKTNOSUPPORT;
return(NULL);
}
sock = _wapi_socket (sock_family, sock_type, sock_proto,
NULL, 0, WSA_FLAG_OVERLAPPED);
if(sock==INVALID_SOCKET) {
*error = WSAGetLastError ();
return(NULL);
}
if (sock_family == AF_INET && sock_type == SOCK_DGRAM) {
return (GUINT_TO_POINTER (sock));
}
#ifdef AF_INET6
if (sock_family == AF_INET6 && sock_type == SOCK_DGRAM) {
return (GUINT_TO_POINTER (sock));
}
#endif
#ifndef PLATFORM_WIN32
/* .net seems to set this by default for SOCK_STREAM,
* not for SOCK_DGRAM (see bug #36322)
*
* It seems winsock has a rather different idea of what
* SO_REUSEADDR means. If it's set, then a new socket can be
* bound over an existing listening socket. There's a new
* windows-specific option called SO_EXCLUSIVEADDRUSE but
* using that means the socket MUST be closed properly, or a
* denial of service can occur. Luckily for us, winsock
* behaves as though any other system would when SO_REUSEADDR
* is true, so we don't need to do anything else here. See
* bug 53992.
*/
{
int ret, true = 1;
ret = _wapi_setsockopt (sock, SOL_SOCKET, SO_REUSEADDR, &true, sizeof (true));
if(ret==SOCKET_ERROR) {
*error = WSAGetLastError ();
closesocket(sock);
return(NULL);
}
}
#endif
return(GUINT_TO_POINTER (sock));
}
/* FIXME: the SOCKET parameter (here and in other functions in this
* file) is really an IntPtr which needs to be converted to a guint32.
*/
void ves_icall_System_Net_Sockets_Socket_Close_internal(SOCKET sock,
gint32 *error)
{
MONO_ARCH_SAVE_REGS;
#ifdef DEBUG
g_message (G_GNUC_PRETTY_FUNCTION ": closing 0x%x", sock);
#endif
*error = 0;
/* Clear any pending work item from this socket if the underlying
* polling system does not notify when the socket is closed */
mono_thread_pool_remove_socket (GPOINTER_TO_INT (sock));
closesocket(sock);
}
gint32 ves_icall_System_Net_Sockets_SocketException_WSAGetLastError_internal(void)
{
MONO_ARCH_SAVE_REGS;
#ifdef DEBUG
g_message(G_GNUC_PRETTY_FUNCTION ": returning %d", WSAGetLastError());
#endif
return(WSAGetLastError());
}
gint32 ves_icall_System_Net_Sockets_Socket_Available_internal(SOCKET sock,
gint32 *error)
{
int ret;
gulong amount;
MONO_ARCH_SAVE_REGS;
*error = 0;
ret=ioctlsocket(sock, FIONREAD, &amount);
if(ret==SOCKET_ERROR) {
*error = WSAGetLastError ();
return(0);
}
return(amount);
}
void ves_icall_System_Net_Sockets_Socket_Blocking_internal(SOCKET sock,
gboolean block,
gint32 *error)
{
int ret;
MONO_ARCH_SAVE_REGS;
*error = 0;
/*
* block == TRUE/FALSE means we will block/not block.
* But the ioctlsocket call takes TRUE/FALSE for non-block/block
*/
block = !block;
ret = ioctlsocket (sock, FIONBIO, (gulong *) &block);
if(ret==SOCKET_ERROR) {
*error = WSAGetLastError ();
}
}
gpointer ves_icall_System_Net_Sockets_Socket_Accept_internal(SOCKET sock,
gint32 *error)
{
SOCKET newsock;
MONO_ARCH_SAVE_REGS;
*error = 0;
newsock = _wapi_accept (sock, NULL, 0);
if(newsock==INVALID_SOCKET) {
*error = WSAGetLastError ();
return(NULL);
}
return(GUINT_TO_POINTER (newsock));
}
void ves_icall_System_Net_Sockets_Socket_Listen_internal(SOCKET sock,
guint32 backlog,
gint32 *error)
{
int ret;
MONO_ARCH_SAVE_REGS;
*error = 0;
ret = _wapi_listen (sock, backlog);
if(ret==SOCKET_ERROR) {
*error = WSAGetLastError ();
}
}
static MonoObject *create_object_from_sockaddr(struct sockaddr *saddr,
int sa_size, gint32 *error)
{
MonoDomain *domain = mono_domain_get ();
MonoObject *sockaddr_obj;
MonoClass *sockaddr_class;
MonoClassField *field;
MonoArray *data;
MonoAddressFamily family;
/* Build a System.Net.SocketAddress object instance */
sockaddr_class=mono_class_from_name(system_assembly, "System.Net", "SocketAddress");
sockaddr_obj=mono_object_new(domain, sockaddr_class);
/* Locate the SocketAddress data buffer in the object */
field=mono_class_get_field_from_name(sockaddr_class, "data");
/* Make sure there is space for the family and size bytes */
data=mono_array_new(domain, mono_get_byte_class (), sa_size+2);
/* The data buffer is laid out as follows:
* bytes 0 and 1 are the address family
* bytes 2 and 3 are the port info
* the rest is the address info
*/
family=convert_to_mono_family(saddr->sa_family);
if(family==AddressFamily_Unknown) {
*error = WSAEAFNOSUPPORT;
return(NULL);
}
mono_array_set(data, guint8, 0, family & 0x0FF);
mono_array_set(data, guint8, 1, (family >> 8) & 0x0FF);
if(saddr->sa_family==AF_INET) {
struct sockaddr_in *sa_in=(struct sockaddr_in *)saddr;
guint16 port=ntohs(sa_in->sin_port);
guint32 address=ntohl(sa_in->sin_addr.s_addr);
if(sa_size<8) {
mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
}
mono_array_set(data, guint8, 2, (port>>8) & 0xff);
mono_array_set(data, guint8, 3, (port) & 0xff);
mono_array_set(data, guint8, 4, (address>>24) & 0xff);
mono_array_set(data, guint8, 5, (address>>16) & 0xff);
mono_array_set(data, guint8, 6, (address>>8) & 0xff);
mono_array_set(data, guint8, 7, (address) & 0xff);
mono_field_set_value (sockaddr_obj, field, data);
return(sockaddr_obj);
#ifdef AF_INET6
} else if (saddr->sa_family == AF_INET6) {
struct sockaddr_in6 *sa_in=(struct sockaddr_in6 *)saddr;
int i;
guint16 port=ntohs(sa_in->sin6_port);
if(sa_size<28) {
mono_raise_exception((MonoException *)mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
}
mono_array_set(data, guint8, 2, (port>>8) & 0xff);
mono_array_set(data, guint8, 3, (port) & 0xff);
for(i=0; i<16; i++) {
mono_array_set(data, guint8, 8+i,
sa_in->sin6_addr.s6_addr[i]);
}
mono_array_set(data, guint8, 24, sa_in->sin6_scope_id & 0xff);
mono_array_set(data, guint8, 25,
(sa_in->sin6_scope_id >> 8) & 0xff);
mono_array_set(data, guint8, 26,
(sa_in->sin6_scope_id >> 16) & 0xff);
mono_array_set(data, guint8, 27,
(sa_in->sin6_scope_id >> 24) & 0xff);
mono_field_set_value (sockaddr_obj, field, data);
return(sockaddr_obj);
#endif
#ifdef HAVE_SYS_UN_H
} else if (saddr->sa_family == AF_UNIX) {
int i;
for (i = 0; i < sa_size; i++) {
mono_array_set (data, guint8, i+2, saddr->sa_data[i]);
}
mono_field_set_value (sockaddr_obj, field, data);
return sockaddr_obj;
#endif
} else {
*error = WSAEAFNOSUPPORT;
return(NULL);
}
}
extern MonoObject *ves_icall_System_Net_Sockets_Socket_LocalEndPoint_internal(SOCKET sock, gint32 *error)
{
gchar sa[32]; /* sockaddr in not big enough for sockaddr_in6 */
int salen;
int ret;
MONO_ARCH_SAVE_REGS;
*error = 0;
salen=sizeof(sa);
ret = _wapi_getsockname (sock, (struct sockaddr *)sa, &salen);
if(ret==SOCKET_ERROR) {
*error = WSAGetLastError ();
return(NULL);
}
#ifdef DEBUG
g_message(G_GNUC_PRETTY_FUNCTION ": bound to %s port %d", inet_ntoa(((struct sockaddr_in *)&sa)->sin_addr), ntohs(((struct sockaddr_in *)&sa)->sin_port));
#endif
return(create_object_from_sockaddr((struct sockaddr *)sa, salen,
error));
}
extern MonoObject *ves_icall_System_Net_Sockets_Socket_RemoteEndPoint_internal(SOCKET sock, gint32 *error)
{
gchar sa[32]; /* sockaddr in not big enough for sockaddr_in6 */
int salen;
int ret;
MONO_ARCH_SAVE_REGS;
*error = 0;
salen=sizeof(sa);
ret = _wapi_getpeername (sock, (struct sockaddr *)sa, &salen);
if(ret==SOCKET_ERROR) {
*error = WSAGetLastError ();
return(NULL);
}
#ifdef DEBUG
g_message(G_GNUC_PRETTY_FUNCTION ": connected to %s port %d", inet_ntoa(((struct sockaddr_in *)&sa)->sin_addr), ntohs(((struct sockaddr_in *)&sa)->sin_port));
#endif
return(create_object_from_sockaddr((struct sockaddr *)sa, salen,
error));
}
static struct sockaddr *create_sockaddr_from_object(MonoObject *saddr_obj,
int *sa_size,
gint32 *error)
{
MonoClassField *field;
MonoArray *data;
gint32 family;
int len;
/* Dig the SocketAddress data buffer out of the object */
field=mono_class_get_field_from_name(saddr_obj->vtable->klass, "data");
data=*(MonoArray **)(((char *)saddr_obj) + field->offset);
/* The data buffer is laid out as follows:
* byte 0 is the address family low byte
* byte 1 is the address family high byte
* INET:
* bytes 2 and 3 are the port info
* the rest is the address info
* UNIX:
* the rest is the file name
*/
len = mono_array_length (data);
if (len < 2) {
mono_raise_exception (mono_exception_from_name(mono_get_corlib (), "System", "SystemException"));
}
family = convert_family (mono_array_get (data, guint8, 0) + (mono_array_get (data, guint8, 1) << 8));
if (family == AF_INET) {
struct sockaddr_in *sa;
guint16 port;
guint32 address;
if (len < 8) {
mono_raise_exception (mono_exception_from_name (mono_get_corlib (), "System", "SystemException"));
}
sa = g_new0 (struct sockaddr_in, 1);