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FreeRDP/winpr/libwinpr/winsock/winsock.c
Armin Novak 77204aa6b6 WSAEventSelect: Handle lNetworkEvents == 0 
WSAEventSelect did ignore the lNetworkEvents argument.
In case this argument is 0, the non blocking socket must
be set to blocking again to mimic windows behavior.
2015-07-03 09:29:36 +02:00

1235 lines
23 KiB
C
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/**
* WinPR: Windows Portable Runtime
* Windows Sockets (Winsock)
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/crt.h>
#include <winpr/synch.h>
#include <winpr/winsock.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_FILIO_H
#include <sys/filio.h>
#endif
#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h>
#endif
#ifndef _WIN32
#include <fcntl.h>
#endif
#ifdef __APPLE__
#define WSAIOCTL_IFADDRS
#include <ifaddrs.h>
#endif
/**
* ws2_32.dll:
*
* __WSAFDIsSet
* accept
* bind
* closesocket
* connect
* freeaddrinfo
* FreeAddrInfoEx
* FreeAddrInfoExW
* FreeAddrInfoW
* getaddrinfo
* GetAddrInfoExA
* GetAddrInfoExCancel
* GetAddrInfoExOverlappedResult
* GetAddrInfoExW
* GetAddrInfoW
* gethostbyaddr
* gethostbyname
* gethostname
* GetHostNameW
* getnameinfo
* GetNameInfoW
* getpeername
* getprotobyname
* getprotobynumber
* getservbyname
* getservbyport
* getsockname
* getsockopt
* htonl
* htons
* inet_addr
* inet_ntoa
* inet_ntop
* inet_pton
* InetNtopW
* InetPtonW
* ioctlsocket
* listen
* ntohl
* ntohs
* recv
* recvfrom
* select
* send
* sendto
* SetAddrInfoExA
* SetAddrInfoExW
* setsockopt
* shutdown
* socket
* WahCloseApcHelper
* WahCloseHandleHelper
* WahCloseNotificationHandleHelper
* WahCloseSocketHandle
* WahCloseThread
* WahCompleteRequest
* WahCreateHandleContextTable
* WahCreateNotificationHandle
* WahCreateSocketHandle
* WahDestroyHandleContextTable
* WahDisableNonIFSHandleSupport
* WahEnableNonIFSHandleSupport
* WahEnumerateHandleContexts
* WahInsertHandleContext
* WahNotifyAllProcesses
* WahOpenApcHelper
* WahOpenCurrentThread
* WahOpenHandleHelper
* WahOpenNotificationHandleHelper
* WahQueueUserApc
* WahReferenceContextByHandle
* WahRemoveHandleContext
* WahWaitForNotification
* WahWriteLSPEvent
* WEP
* WPUCompleteOverlappedRequest
* WPUGetProviderPathEx
* WSAAccept
* WSAAddressToStringA
* WSAAddressToStringW
* WSAAdvertiseProvider
* WSAAsyncGetHostByAddr
* WSAAsyncGetHostByName
* WSAAsyncGetProtoByName
* WSAAsyncGetProtoByNumber
* WSAAsyncGetServByName
* WSAAsyncGetServByPort
* WSAAsyncSelect
* WSACancelAsyncRequest
* WSACancelBlockingCall
* WSACleanup
* WSACloseEvent
* WSAConnect
* WSAConnectByList
* WSAConnectByNameA
* WSAConnectByNameW
* WSACreateEvent
* WSADuplicateSocketA
* WSADuplicateSocketW
* WSAEnumNameSpaceProvidersA
* WSAEnumNameSpaceProvidersExA
* WSAEnumNameSpaceProvidersExW
* WSAEnumNameSpaceProvidersW
* WSAEnumNetworkEvents
* WSAEnumProtocolsA
* WSAEnumProtocolsW
* WSAEventSelect
* WSAGetLastError
* WSAGetOverlappedResult
* WSAGetQOSByName
* WSAGetServiceClassInfoA
* WSAGetServiceClassInfoW
* WSAGetServiceClassNameByClassIdA
* WSAGetServiceClassNameByClassIdW
* WSAHtonl
* WSAHtons
* WSAInstallServiceClassA
* WSAInstallServiceClassW
* WSAIoctl
* WSAIsBlocking
* WSAJoinLeaf
* WSALookupServiceBeginA
* WSALookupServiceBeginW
* WSALookupServiceEnd
* WSALookupServiceNextA
* WSALookupServiceNextW
* WSANSPIoctl
* WSANtohl
* WSANtohs
* WSAPoll
* WSAProviderCompleteAsyncCall
* WSAProviderConfigChange
* WSApSetPostRoutine
* WSARecv
* WSARecvDisconnect
* WSARecvFrom
* WSARemoveServiceClass
* WSAResetEvent
* WSASend
* WSASendDisconnect
* WSASendMsg
* WSASendTo
* WSASetBlockingHook
* WSASetEvent
* WSASetLastError
* WSASetServiceA
* WSASetServiceW
* WSASocketA
* WSASocketW
* WSAStartup
* WSAStringToAddressA
* WSAStringToAddressW
* WSAUnadvertiseProvider
* WSAUnhookBlockingHook
* WSAWaitForMultipleEvents
* WSCDeinstallProvider
* WSCDeinstallProviderEx
* WSCEnableNSProvider
* WSCEnumProtocols
* WSCEnumProtocolsEx
* WSCGetApplicationCategory
* WSCGetApplicationCategoryEx
* WSCGetProviderInfo
* WSCGetProviderPath
* WSCInstallNameSpace
* WSCInstallNameSpaceEx
* WSCInstallNameSpaceEx2
* WSCInstallProvider
* WSCInstallProviderAndChains
* WSCInstallProviderEx
* WSCSetApplicationCategory
* WSCSetApplicationCategoryEx
* WSCSetProviderInfo
* WSCUnInstallNameSpace
* WSCUnInstallNameSpaceEx2
* WSCUpdateProvider
* WSCUpdateProviderEx
* WSCWriteNameSpaceOrder
* WSCWriteProviderOrder
* WSCWriteProviderOrderEx
*/
#ifdef _WIN32
#if (_WIN32_WINNT < 0x0600)
PCSTR inet_ntop(INT Family, PVOID pAddr, PSTR pStringBuf, size_t StringBufSize)
{
if (Family == AF_INET)
{
struct sockaddr_in in;
memset(&in, 0, sizeof(in));
in.sin_family = AF_INET;
memcpy(&in.sin_addr, pAddr, sizeof(struct in_addr));
getnameinfo((struct sockaddr*) &in, sizeof(struct sockaddr_in), pStringBuf, StringBufSize, NULL, 0, NI_NUMERICHOST);
return pStringBuf;
}
else if (Family == AF_INET6)
{
struct sockaddr_in6 in;
memset(&in, 0, sizeof(in));
in.sin6_family = AF_INET6;
memcpy(&in.sin6_addr, pAddr, sizeof(struct in_addr6));
getnameinfo((struct sockaddr*) &in, sizeof(struct sockaddr_in6), pStringBuf, StringBufSize, NULL, 0, NI_NUMERICHOST);
return pStringBuf;
}
return NULL;
}
#endif /* (_WIN32_WINNT < 0x0600) */
#else /* _WIN32 */
#include <netdb.h>
#include <errno.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <net/if.h>
#ifndef MSG_NOSIGNAL
#define MSG_NOSIGNAL 0
#endif
int WSAStartup(WORD wVersionRequired, LPWSADATA lpWSAData)
{
ZeroMemory(lpWSAData, sizeof(WSADATA));
lpWSAData->wVersion = wVersionRequired;
lpWSAData->wHighVersion = MAKEWORD(2, 2);
return 0; /* success */
}
int WSACleanup(void)
{
return 0; /* success */
}
void WSASetLastError(int iError)
{
switch (iError)
{
/* Base error codes */
case WSAEINTR:
errno = EINTR;
break;
case WSAEBADF:
errno = EBADF;
break;
case WSAEACCES:
errno = EACCES;
break;
case WSAEFAULT:
errno = EFAULT;
break;
case WSAEINVAL:
errno = EINVAL;
break;
case WSAEMFILE:
errno = EMFILE;
break;
/* BSD sockets error codes */
case WSAEWOULDBLOCK:
errno = EWOULDBLOCK;
break;
case WSAEINPROGRESS:
errno = EINPROGRESS;
break;
case WSAEALREADY:
errno = EALREADY;
break;
case WSAENOTSOCK:
errno = ENOTSOCK;
break;
case WSAEDESTADDRREQ:
errno = EDESTADDRREQ;
break;
case WSAEMSGSIZE:
errno = EMSGSIZE;
break;
case WSAEPROTOTYPE:
errno = EPROTOTYPE;
break;
case WSAENOPROTOOPT:
errno = ENOPROTOOPT;
break;
case WSAEPROTONOSUPPORT:
errno = EPROTONOSUPPORT;
break;
case WSAESOCKTNOSUPPORT:
errno = ESOCKTNOSUPPORT;
break;
case WSAEOPNOTSUPP:
errno = EOPNOTSUPP;
break;
case WSAEPFNOSUPPORT:
errno = EPFNOSUPPORT;
break;
case WSAEAFNOSUPPORT:
errno = EAFNOSUPPORT;
break;
case WSAEADDRINUSE:
errno = EADDRINUSE;
break;
case WSAEADDRNOTAVAIL:
errno = EADDRNOTAVAIL;
break;
case WSAENETDOWN:
errno = ENETDOWN;
break;
case WSAENETUNREACH:
errno = ENETUNREACH;
break;
case WSAENETRESET:
errno = ENETRESET;
break;
case WSAECONNABORTED:
errno = ECONNABORTED;
break;
case WSAECONNRESET:
errno = ECONNRESET;
break;
case WSAENOBUFS:
errno = ENOBUFS;
break;
case WSAEISCONN:
errno = EISCONN;
break;
case WSAENOTCONN:
errno = ENOTCONN;
break;
case WSAESHUTDOWN:
errno = ESHUTDOWN;
break;
case WSAETOOMANYREFS:
errno = ETOOMANYREFS;
break;
case WSAETIMEDOUT:
errno = ETIMEDOUT;
break;
case WSAECONNREFUSED:
errno = ECONNREFUSED;
break;
case WSAELOOP:
errno = ELOOP;
break;
case WSAENAMETOOLONG:
errno = ENAMETOOLONG;
break;
case WSAEHOSTDOWN:
errno = EHOSTDOWN;
break;
case WSAEHOSTUNREACH:
errno = EHOSTUNREACH;
break;
case WSAENOTEMPTY:
errno = ENOTEMPTY;
break;
#ifdef EPROCLIM
case WSAEPROCLIM:
errno = EPROCLIM;
break;
#endif
case WSAEUSERS:
errno = EUSERS;
break;
case WSAEDQUOT:
errno = EDQUOT;
break;
case WSAESTALE:
errno = ESTALE;
break;
case WSAEREMOTE:
errno = EREMOTE;
break;
}
}
int WSAGetLastError(void)
{
int iError = 0;
switch (errno)
{
/* Base error codes */
case EINTR:
iError = WSAEINTR;
break;
case EBADF:
iError = WSAEBADF;
break;
case EACCES:
iError = WSAEACCES;
break;
case EFAULT:
iError = WSAEFAULT;
break;
case EINVAL:
iError = WSAEINVAL;
break;
case EMFILE:
iError = WSAEMFILE;
break;
/* BSD sockets error codes */
case EWOULDBLOCK:
iError = WSAEWOULDBLOCK;
break;
case EINPROGRESS:
iError = WSAEINPROGRESS;
break;
case EALREADY:
iError = WSAEALREADY;
break;
case ENOTSOCK:
iError = WSAENOTSOCK;
break;
case EDESTADDRREQ:
iError = WSAEDESTADDRREQ;
break;
case EMSGSIZE:
iError = WSAEMSGSIZE;
break;
case EPROTOTYPE:
iError = WSAEPROTOTYPE;
break;
case ENOPROTOOPT:
iError = WSAENOPROTOOPT;
break;
case EPROTONOSUPPORT:
iError = WSAEPROTONOSUPPORT;
break;
case ESOCKTNOSUPPORT:
iError = WSAESOCKTNOSUPPORT;
break;
case EOPNOTSUPP:
iError = WSAEOPNOTSUPP;
break;
case EPFNOSUPPORT:
iError = WSAEPFNOSUPPORT;
break;
case EAFNOSUPPORT:
iError = WSAEAFNOSUPPORT;
break;
case EADDRINUSE:
iError = WSAEADDRINUSE;
break;
case EADDRNOTAVAIL:
iError = WSAEADDRNOTAVAIL;
break;
case ENETDOWN:
iError = WSAENETDOWN;
break;
case ENETUNREACH:
iError = WSAENETUNREACH;
break;
case ENETRESET:
iError = WSAENETRESET;
break;
case ECONNABORTED:
iError = WSAECONNABORTED;
break;
case ECONNRESET:
iError = WSAECONNRESET;
break;
case ENOBUFS:
iError = WSAENOBUFS;
break;
case EISCONN:
iError = WSAEISCONN;
break;
case ENOTCONN:
iError = WSAENOTCONN;
break;
case ESHUTDOWN:
iError = WSAESHUTDOWN;
break;
case ETOOMANYREFS:
iError = WSAETOOMANYREFS;
break;
case ETIMEDOUT:
iError = WSAETIMEDOUT;
break;
case ECONNREFUSED:
iError = WSAECONNREFUSED;
break;
case ELOOP:
iError = WSAELOOP;
break;
case ENAMETOOLONG:
iError = WSAENAMETOOLONG;
break;
case EHOSTDOWN:
iError = WSAEHOSTDOWN;
break;
case EHOSTUNREACH:
iError = WSAEHOSTUNREACH;
break;
case ENOTEMPTY:
iError = WSAENOTEMPTY;
break;
#ifdef EPROCLIM
case EPROCLIM:
iError = WSAEPROCLIM;
break;
#endif
case EUSERS:
iError = WSAEUSERS;
break;
case EDQUOT:
iError = WSAEDQUOT;
break;
case ESTALE:
iError = WSAESTALE;
break;
case EREMOTE:
iError = WSAEREMOTE;
break;
/* Special cases */
#if (EAGAIN != EWOULDBLOCK)
case EAGAIN:
iError = WSAEWOULDBLOCK;
break;
#endif
#if defined(EPROTO)
case EPROTO:
iError = WSAECONNRESET;
break;
#endif
}
/**
* Windows Sockets Extended Error Codes:
*
* WSASYSNOTREADY
* WSAVERNOTSUPPORTED
* WSANOTINITIALISED
* WSAEDISCON
* WSAENOMORE
* WSAECANCELLED
* WSAEINVALIDPROCTABLE
* WSAEINVALIDPROVIDER
* WSAEPROVIDERFAILEDINIT
* WSASYSCALLFAILURE
* WSASERVICE_NOT_FOUND
* WSATYPE_NOT_FOUND
* WSA_E_NO_MORE
* WSA_E_CANCELLED
* WSAEREFUSED
*/
return iError;
}
HANDLE WSACreateEvent(void)
{
return CreateEvent(NULL, TRUE, FALSE, NULL);
}
BOOL WSASetEvent(HANDLE hEvent)
{
return SetEvent(hEvent);
}
BOOL WSAResetEvent(HANDLE hEvent)
{
return ResetEvent(hEvent);
}
BOOL WSACloseEvent(HANDLE hEvent)
{
BOOL status;
status = CloseHandle(hEvent);
if (!status)
SetLastError(6);
return status;
}
int WSAEventSelect(SOCKET s, WSAEVENT hEventObject, LONG lNetworkEvents)
{
u_long arg = lNetworkEvents ? 1 : 0;
if (_ioctlsocket(s, FIONBIO, &arg) != 0)
return SOCKET_ERROR;
if (arg == 0)
return 0;
if (SetEventFileDescriptor(hEventObject, s, lNetworkEvents) < 0)
return SOCKET_ERROR;
return 0;
}
DWORD WSAWaitForMultipleEvents(DWORD cEvents, const HANDLE* lphEvents, BOOL fWaitAll, DWORD dwTimeout, BOOL fAlertable)
{
return WaitForMultipleObjectsEx(cEvents, lphEvents, fWaitAll, dwTimeout, fAlertable);
}
SOCKET WSASocketA(int af, int type, int protocol, LPWSAPROTOCOL_INFOA lpProtocolInfo, GROUP g, DWORD dwFlags)
{
SOCKET s;
s = _socket(af, type, protocol);
return s;
}
SOCKET WSASocketW(int af, int type, int protocol, LPWSAPROTOCOL_INFOW lpProtocolInfo, GROUP g, DWORD dwFlags)
{
return WSASocketA(af, type, protocol, (LPWSAPROTOCOL_INFOA) lpProtocolInfo, g, dwFlags);
}
int WSAIoctl(SOCKET s, DWORD dwIoControlCode, LPVOID lpvInBuffer,
DWORD cbInBuffer, LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned, LPWSAOVERLAPPED lpOverlapped,
LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
{
int fd;
int index;
ULONG nFlags;
size_t offset;
size_t ifreq_len;
struct ifreq* ifreq;
struct ifconf ifconf;
char address[128];
char broadcast[128];
char netmask[128];
char buffer[4096];
int numInterfaces;
int maxNumInterfaces;
INTERFACE_INFO* pInterface;
INTERFACE_INFO* pInterfaces;
struct sockaddr_in* pAddress;
struct sockaddr_in* pBroadcast;
struct sockaddr_in* pNetmask;
if ((dwIoControlCode != SIO_GET_INTERFACE_LIST) ||
(!lpvOutBuffer || !cbOutBuffer || !lpcbBytesReturned))
{
WSASetLastError(WSAEINVAL);
return SOCKET_ERROR;
}
fd = (int) s;
pInterfaces = (INTERFACE_INFO*) lpvOutBuffer;
maxNumInterfaces = cbOutBuffer / sizeof(INTERFACE_INFO);
#ifdef WSAIOCTL_IFADDRS
{
struct ifaddrs* ifa = NULL;
struct ifaddrs* ifap = NULL;
if (getifaddrs(&ifap) != 0)
{
WSASetLastError(WSAENETDOWN);
return SOCKET_ERROR;
}
index = 0;
numInterfaces = 0;
for (ifa = ifap; ifa; ifa = ifa->ifa_next)
{
pInterface = &pInterfaces[index];
pAddress = (struct sockaddr_in*) &pInterface->iiAddress;
pBroadcast = (struct sockaddr_in*) &pInterface->iiBroadcastAddress;
pNetmask = (struct sockaddr_in*) &pInterface->iiNetmask;
nFlags = 0;
if (ifa->ifa_flags & IFF_UP)
nFlags |= _IFF_UP;
if (ifa->ifa_flags & IFF_BROADCAST)
nFlags |= _IFF_BROADCAST;
if (ifa->ifa_flags & IFF_LOOPBACK)
nFlags |= _IFF_LOOPBACK;
if (ifa->ifa_flags & IFF_POINTOPOINT)
nFlags |= _IFF_POINTTOPOINT;
if (ifa->ifa_flags & IFF_MULTICAST)
nFlags |= _IFF_MULTICAST;
pInterface->iiFlags = nFlags;
if (ifa->ifa_addr)
{
if ((ifa->ifa_addr->sa_family != AF_INET) && (ifa->ifa_addr->sa_family != AF_INET6))
continue;
getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr),
address, sizeof(address), 0, 0, NI_NUMERICHOST);
inet_pton(ifa->ifa_addr->sa_family, address, (void*) &pAddress->sin_addr);
}
else
{
ZeroMemory(pAddress, sizeof(struct sockaddr_in));
}
if (ifa->ifa_dstaddr)
{
if ((ifa->ifa_dstaddr->sa_family != AF_INET) && (ifa->ifa_dstaddr->sa_family != AF_INET6))
continue;
getnameinfo(ifa->ifa_dstaddr, sizeof(struct sockaddr),
broadcast, sizeof(broadcast), 0, 0, NI_NUMERICHOST);
inet_pton(ifa->ifa_dstaddr->sa_family, broadcast, (void*) &pBroadcast->sin_addr);
}
else
{
ZeroMemory(pBroadcast, sizeof(struct sockaddr_in));
}
if (ifa->ifa_netmask)
{
if ((ifa->ifa_netmask->sa_family != AF_INET) && (ifa->ifa_netmask->sa_family != AF_INET6))
continue;
getnameinfo(ifa->ifa_netmask, sizeof(struct sockaddr),
netmask, sizeof(netmask), 0, 0, NI_NUMERICHOST);
inet_pton(ifa->ifa_netmask->sa_family, netmask, (void*) &pNetmask->sin_addr);
}
else
{
ZeroMemory(pNetmask, sizeof(struct sockaddr_in));
}
numInterfaces++;
index++;
}
*lpcbBytesReturned = (DWORD) (numInterfaces * sizeof(INTERFACE_INFO));
freeifaddrs(ifap);
return 0;
}
#endif
ifconf.ifc_len = sizeof(buffer);
ifconf.ifc_buf = buffer;
if (ioctl(fd, SIOCGIFCONF, &ifconf) != 0)
{
WSASetLastError(WSAENETDOWN);
return SOCKET_ERROR;
}
index = 0;
offset = 0;
numInterfaces = 0;
ifreq = ifconf.ifc_req;
while ((offset < ifconf.ifc_len) && (numInterfaces < maxNumInterfaces))
{
pInterface = &pInterfaces[index];
pAddress = (struct sockaddr_in*) &pInterface->iiAddress;
pBroadcast = (struct sockaddr_in*) &pInterface->iiBroadcastAddress;
pNetmask = (struct sockaddr_in*) &pInterface->iiNetmask;
if (ioctl(fd, SIOCGIFFLAGS, ifreq) != 0)
goto next_ifreq;
nFlags = 0;
if (ifreq->ifr_flags & IFF_UP)
nFlags |= _IFF_UP;
if (ifreq->ifr_flags & IFF_BROADCAST)
nFlags |= _IFF_BROADCAST;
if (ifreq->ifr_flags & IFF_LOOPBACK)
nFlags |= _IFF_LOOPBACK;
if (ifreq->ifr_flags & IFF_POINTOPOINT)
nFlags |= _IFF_POINTTOPOINT;
if (ifreq->ifr_flags & IFF_MULTICAST)
nFlags |= _IFF_MULTICAST;
pInterface->iiFlags = nFlags;
if (ioctl(fd, SIOCGIFADDR, ifreq) != 0)
goto next_ifreq;
if ((ifreq->ifr_addr.sa_family != AF_INET) && (ifreq->ifr_addr.sa_family != AF_INET6))
goto next_ifreq;
getnameinfo(&ifreq->ifr_addr, sizeof(ifreq->ifr_addr),
address, sizeof(address), 0, 0, NI_NUMERICHOST);
inet_pton(ifreq->ifr_addr.sa_family, address, (void*) &pAddress->sin_addr);
if (ioctl(fd, SIOCGIFBRDADDR, ifreq) != 0)
goto next_ifreq;
if ((ifreq->ifr_addr.sa_family != AF_INET) && (ifreq->ifr_addr.sa_family != AF_INET6))
goto next_ifreq;
getnameinfo(&ifreq->ifr_addr, sizeof(ifreq->ifr_addr),
broadcast, sizeof(broadcast), 0, 0, NI_NUMERICHOST);
inet_pton(ifreq->ifr_addr.sa_family, broadcast, (void*) &pBroadcast->sin_addr);
if (ioctl(fd, SIOCGIFNETMASK, ifreq) != 0)
goto next_ifreq;
if ((ifreq->ifr_addr.sa_family != AF_INET) && (ifreq->ifr_addr.sa_family != AF_INET6))
goto next_ifreq;
getnameinfo(&ifreq->ifr_addr, sizeof(ifreq->ifr_addr),
netmask, sizeof(netmask), 0, 0, NI_NUMERICHOST);
inet_pton(ifreq->ifr_addr.sa_family, netmask, (void*) &pNetmask->sin_addr);
numInterfaces++;
next_ifreq:
#if !defined(__linux__) && !defined(__sun__)
ifreq_len = IFNAMSIZ + ifreq->ifr_addr.sa_len;
#else
ifreq_len = sizeof(*ifreq);
#endif
ifreq = (struct ifreq*) &((BYTE*) ifreq)[ifreq_len];
offset += ifreq_len;
index++;
}
*lpcbBytesReturned = (DWORD) (numInterfaces * sizeof(INTERFACE_INFO));
return 0;
}
SOCKET _accept(SOCKET s, struct sockaddr* addr, int* addrlen)
{
int status;
int fd = (int) s;
socklen_t s_addrlen = (socklen_t) *addrlen;
status = accept(fd, addr, &s_addrlen);
*addrlen = (socklen_t) s_addrlen;
return status;
}
int _bind(SOCKET s, const struct sockaddr* addr, int namelen)
{
int status;
int fd = (int) s;
status = bind(fd, addr, (socklen_t) namelen);
if (status < 0)
return SOCKET_ERROR;
return status;
}
int closesocket(SOCKET s)
{
int status;
int fd = (int) s;
status = close(fd);
return status;
}
int _connect(SOCKET s, const struct sockaddr* name, int namelen)
{
int status;
int fd = (int) s;
status = connect(fd, name, (socklen_t) namelen);
if (status < 0)
return SOCKET_ERROR;
return status;
}
int _ioctlsocket(SOCKET s, long cmd, u_long* argp)
{
int fd = (int) s;
if (cmd == FIONBIO)
{
int flags;
if (!argp)
return SOCKET_ERROR;
flags = fcntl(fd, F_GETFL);
if (flags == -1)
return SOCKET_ERROR;
if (*argp)
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
else
fcntl(fd, F_SETFL, flags & ~(O_NONBLOCK));
}
return 0;
}
int _getpeername(SOCKET s, struct sockaddr* name, int* namelen)
{
int status;
int fd = (int) s;
socklen_t s_namelen = (socklen_t) *namelen;
status = getpeername(fd, name, &s_namelen);
*namelen = (int) s_namelen;
return status;
}
int _getsockname(SOCKET s, struct sockaddr* name, int* namelen)
{
int status;
int fd = (int) s;
socklen_t s_namelen = (socklen_t) *namelen;
status = getsockname(fd, name, &s_namelen);
*namelen = (int) s_namelen;
return status;
}
int _getsockopt(SOCKET s, int level, int optname, char* optval, int* optlen)
{
int status;
int fd = (int) s;
socklen_t s_optlen = (socklen_t) *optlen;
status = getsockopt(fd, level, optname, (void*) optval, &s_optlen);
*optlen = (socklen_t) s_optlen;
return status;
}
u_long _htonl(u_long hostlong)
{
return htonl(hostlong);
}
u_short _htons(u_short hostshort)
{
return htons(hostshort);
}
unsigned long _inet_addr(const char* cp)
{
return (long) inet_addr(cp);
}
char* _inet_ntoa(struct in_addr in)
{
return inet_ntoa(in);
}
int _listen(SOCKET s, int backlog)
{
int status;
int fd = (int) s;
status = listen(fd, backlog);
return status;
}
u_long _ntohl(u_long netlong)
{
return ntohl(netlong);
}
u_short _ntohs(u_short netshort)
{
return ntohs(netshort);
}
int _recv(SOCKET s, char* buf, int len, int flags)
{
int status;
int fd = (int) s;
status = (int) recv(fd, (void*) buf, (size_t) len, flags);
return status;
}
int _recvfrom(SOCKET s, char* buf, int len, int flags, struct sockaddr* from, int* fromlen)
{
int status;
int fd = (int) s;
socklen_t s_fromlen = (socklen_t) *fromlen;
status = (int) recvfrom(fd, (void*) buf, (size_t) len, flags, from, &s_fromlen);
*fromlen = (int) s_fromlen;
return status;
}
int _select(int nfds, fd_set* readfds, fd_set* writefds, fd_set* exceptfds, const struct timeval* timeout)
{
int status;
do
{
status = select(nfds, readfds, writefds, exceptfds, (struct timeval*) timeout);
}
while ((status < 0) && (errno == EINTR));
return status;
}
int _send(SOCKET s, const char* buf, int len, int flags)
{
int status;
int fd = (int) s;
flags |= MSG_NOSIGNAL;
status = (int) send(fd, (void*) buf, (size_t) len, flags);
return status;
}
int _sendto(SOCKET s, const char* buf, int len, int flags, const struct sockaddr* to, int tolen)
{
int status;
int fd = (int) s;
status = (int) sendto(fd, (void*) buf, (size_t) len, flags, to, (socklen_t) tolen);
return status;
}
int _setsockopt(SOCKET s, int level, int optname, const char* optval, int optlen)
{
int status;
int fd = (int) s;
status = setsockopt(fd, level, optname, (void*) optval, (socklen_t) optlen);
return status;
}
int _shutdown(SOCKET s, int how)
{
int status;
int fd = (int) s;
int s_how = -1;
switch (how)
{
case SD_RECEIVE:
s_how = SHUT_RD;
break;
case SD_SEND:
s_how = SHUT_WR;
break;
case SD_BOTH:
s_how = SHUT_RDWR;
break;
}
if (s_how < 0)
return SOCKET_ERROR;
status = shutdown(fd, s_how);
return status;
}
SOCKET _socket(int af, int type, int protocol)
{
int fd;
SOCKET s;
fd = socket(af, type, protocol);
if (fd < 1)
return INVALID_SOCKET;
s = (SOCKET) fd;
return s;
}
struct hostent* _gethostbyaddr(const char* addr, int len, int type)
{
struct hostent* host;
host = gethostbyaddr((void*) addr, (socklen_t) len, type);
return host;
}
struct hostent* _gethostbyname(const char* name)
{
struct hostent* host;
host = gethostbyname(name);
return host;
}
int _gethostname(char* name, int namelen)
{
int status;
status = gethostname(name, (size_t) namelen);
return status;
}
struct servent* _getservbyport(int port, const char* proto)
{
struct servent* serv;
serv = getservbyport(port, proto);
return serv;
}
struct servent* _getservbyname(const char* name, const char* proto)
{
struct servent* serv;
serv = getservbyname(name, proto);
return serv;
}
struct protoent* _getprotobynumber(int number)
{
struct protoent* proto;
proto = getprotobynumber(number);
return proto;
}
struct protoent* _getprotobyname(const char* name)
{
struct protoent* proto;
proto = getprotobyname(name);
return proto;
}
#endif /* _WIN32 */
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