mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-27 11:50:29 +00:00
560 lines
13 KiB
C++
560 lines
13 KiB
C++
// socketft.cpp - written and placed in the public domain by Wei Dai
|
|
|
|
#include "pch.h"
|
|
|
|
// TODO: http://github.com/weidai11/cryptopp/issues/19
|
|
#define _WINSOCK_DEPRECATED_NO_WARNINGS
|
|
#include "socketft.h"
|
|
|
|
#ifdef SOCKETS_AVAILABLE
|
|
|
|
#include "wait.h"
|
|
|
|
#ifdef USE_BERKELEY_STYLE_SOCKETS
|
|
#include <errno.h>
|
|
#include <netdb.h>
|
|
#include <unistd.h>
|
|
#include <arpa/inet.h>
|
|
#include <netinet/in.h>
|
|
#include <sys/ioctl.h>
|
|
#endif
|
|
|
|
#if defined(CRYPTOPP_MSAN)
|
|
# include <sanitizer/msan_interface.h>
|
|
#endif
|
|
|
|
#ifdef PREFER_WINDOWS_STYLE_SOCKETS
|
|
# pragma comment(lib, "ws2_32.lib")
|
|
#endif
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
|
#ifdef USE_WINDOWS_STYLE_SOCKETS
|
|
const int SOCKET_EINVAL = WSAEINVAL;
|
|
const int SOCKET_EWOULDBLOCK = WSAEWOULDBLOCK;
|
|
typedef int socklen_t;
|
|
#else
|
|
const int SOCKET_EINVAL = EINVAL;
|
|
const int SOCKET_EWOULDBLOCK = EWOULDBLOCK;
|
|
#endif
|
|
|
|
// Solaris doesn't have INADDR_NONE
|
|
#ifndef INADDR_NONE
|
|
# define INADDR_NONE 0xffffffff
|
|
#endif /* INADDR_NONE */
|
|
|
|
Socket::Err::Err(socket_t s, const std::string& operation, int error)
|
|
: OS_Error(IO_ERROR, "Socket: " + operation + " operation failed with error " + IntToString(error), operation, error)
|
|
, m_s(s)
|
|
{
|
|
}
|
|
|
|
Socket::~Socket()
|
|
{
|
|
if (m_own)
|
|
{
|
|
try
|
|
{
|
|
CloseSocket();
|
|
}
|
|
catch (const Exception&)
|
|
{
|
|
assert(0);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Socket::AttachSocket(socket_t s, bool own)
|
|
{
|
|
if (m_own)
|
|
CloseSocket();
|
|
|
|
m_s = s;
|
|
m_own = own;
|
|
SocketChanged();
|
|
}
|
|
|
|
socket_t Socket::DetachSocket()
|
|
{
|
|
socket_t s = m_s;
|
|
m_s = INVALID_SOCKET;
|
|
SocketChanged();
|
|
return s;
|
|
}
|
|
|
|
void Socket::Create(int nType)
|
|
{
|
|
assert(m_s == INVALID_SOCKET);
|
|
m_s = socket(AF_INET, nType, 0);
|
|
CheckAndHandleError("socket", m_s);
|
|
m_own = true;
|
|
SocketChanged();
|
|
}
|
|
|
|
void Socket::CloseSocket()
|
|
{
|
|
if (m_s != INVALID_SOCKET)
|
|
{
|
|
#ifdef USE_WINDOWS_STYLE_SOCKETS
|
|
CancelIo((HANDLE) m_s);
|
|
CheckAndHandleError_int("closesocket", closesocket(m_s));
|
|
#else
|
|
CheckAndHandleError_int("close", close(m_s));
|
|
#endif
|
|
m_s = INVALID_SOCKET;
|
|
SocketChanged();
|
|
}
|
|
}
|
|
|
|
void Socket::Bind(unsigned int port, const char *addr)
|
|
{
|
|
sockaddr_in sa;
|
|
memset(&sa, 0, sizeof(sa));
|
|
sa.sin_family = AF_INET;
|
|
|
|
if (addr == NULL)
|
|
sa.sin_addr.s_addr = htonl(INADDR_ANY);
|
|
else
|
|
{
|
|
unsigned long result = inet_addr(addr);
|
|
if (result == INADDR_NONE)
|
|
{
|
|
SetLastError(SOCKET_EINVAL);
|
|
CheckAndHandleError_int("inet_addr", SOCKET_ERROR);
|
|
}
|
|
sa.sin_addr.s_addr = result;
|
|
}
|
|
|
|
sa.sin_port = htons((u_short)port);
|
|
|
|
Bind((sockaddr *)&sa, sizeof(sa));
|
|
}
|
|
|
|
void Socket::Bind(const sockaddr *psa, socklen_t saLen)
|
|
{
|
|
assert(m_s != INVALID_SOCKET);
|
|
// cygwin workaround: needs const_cast
|
|
CheckAndHandleError_int("bind", bind(m_s, const_cast<sockaddr *>(psa), saLen));
|
|
}
|
|
|
|
void Socket::Listen(int backlog)
|
|
{
|
|
assert(m_s != INVALID_SOCKET);
|
|
CheckAndHandleError_int("listen", listen(m_s, backlog));
|
|
}
|
|
|
|
bool Socket::Connect(const char *addr, unsigned int port)
|
|
{
|
|
assert(addr != NULL);
|
|
|
|
sockaddr_in sa;
|
|
memset(&sa, 0, sizeof(sa));
|
|
sa.sin_family = AF_INET;
|
|
sa.sin_addr.s_addr = inet_addr(addr);
|
|
|
|
if (sa.sin_addr.s_addr == INADDR_NONE)
|
|
{
|
|
hostent *lphost = gethostbyname(addr);
|
|
if (lphost == NULL)
|
|
{
|
|
SetLastError(SOCKET_EINVAL);
|
|
CheckAndHandleError_int("gethostbyname", SOCKET_ERROR);
|
|
}
|
|
else
|
|
{
|
|
assert(IsAlignedOn(lphost->h_addr,GetAlignmentOf<in_addr>()));
|
|
sa.sin_addr.s_addr = ((in_addr *)(void *)lphost->h_addr)->s_addr;
|
|
}
|
|
}
|
|
|
|
sa.sin_port = htons((u_short)port);
|
|
|
|
return Connect((const sockaddr *)&sa, sizeof(sa));
|
|
}
|
|
|
|
bool Socket::Connect(const sockaddr* psa, socklen_t saLen)
|
|
{
|
|
assert(m_s != INVALID_SOCKET);
|
|
int result = connect(m_s, const_cast<sockaddr*>(psa), saLen);
|
|
if (result == SOCKET_ERROR && GetLastError() == SOCKET_EWOULDBLOCK)
|
|
return false;
|
|
CheckAndHandleError_int("connect", result);
|
|
return true;
|
|
}
|
|
|
|
bool Socket::Accept(Socket& target, sockaddr *psa, socklen_t *psaLen)
|
|
{
|
|
assert(m_s != INVALID_SOCKET);
|
|
socket_t s = accept(m_s, psa, psaLen);
|
|
if (s == INVALID_SOCKET && GetLastError() == SOCKET_EWOULDBLOCK)
|
|
return false;
|
|
CheckAndHandleError("accept", s);
|
|
target.AttachSocket(s, true);
|
|
return true;
|
|
}
|
|
|
|
void Socket::GetSockName(sockaddr *psa, socklen_t *psaLen)
|
|
{
|
|
assert(m_s != INVALID_SOCKET);
|
|
CheckAndHandleError_int("getsockname", getsockname(m_s, psa, psaLen));
|
|
}
|
|
|
|
void Socket::GetPeerName(sockaddr *psa, socklen_t *psaLen)
|
|
{
|
|
assert(m_s != INVALID_SOCKET);
|
|
CheckAndHandleError_int("getpeername", getpeername(m_s, psa, psaLen));
|
|
}
|
|
|
|
unsigned int Socket::Send(const byte* buf, size_t bufLen, int flags)
|
|
{
|
|
assert(m_s != INVALID_SOCKET);
|
|
int result = send(m_s, (const char *)buf, UnsignedMin(INT_MAX, bufLen), flags);
|
|
CheckAndHandleError_int("send", result);
|
|
return result;
|
|
}
|
|
|
|
unsigned int Socket::Receive(byte* buf, size_t bufLen, int flags)
|
|
{
|
|
assert(m_s != INVALID_SOCKET);
|
|
int result = recv(m_s, (char *)buf, UnsignedMin(INT_MAX, bufLen), flags);
|
|
CheckAndHandleError_int("recv", result);
|
|
return result;
|
|
}
|
|
|
|
void Socket::ShutDown(int how)
|
|
{
|
|
assert(m_s != INVALID_SOCKET);
|
|
int result = shutdown(m_s, how);
|
|
CheckAndHandleError_int("shutdown", result);
|
|
}
|
|
|
|
void Socket::IOCtl(long cmd, unsigned long *argp)
|
|
{
|
|
assert(m_s != INVALID_SOCKET);
|
|
#ifdef USE_WINDOWS_STYLE_SOCKETS
|
|
CheckAndHandleError_int("ioctlsocket", ioctlsocket(m_s, cmd, argp));
|
|
#else
|
|
CheckAndHandleError_int("ioctl", ioctl(m_s, cmd, argp));
|
|
#endif
|
|
}
|
|
|
|
bool Socket::SendReady(const timeval *timeout)
|
|
{
|
|
fd_set fds;
|
|
FD_ZERO(&fds);
|
|
FD_SET(m_s, &fds);
|
|
#ifdef CRYPTOPP_MSAN
|
|
__msan_unpoison(&fds, sizeof(fds));
|
|
#endif
|
|
|
|
int ready;
|
|
if (timeout == NULL)
|
|
ready = select((int)m_s+1, NULL, &fds, NULL, NULL);
|
|
else
|
|
{
|
|
timeval timeoutCopy = *timeout; // select() modified timeout on Linux
|
|
ready = select((int)m_s+1, NULL, &fds, NULL, &timeoutCopy);
|
|
}
|
|
CheckAndHandleError_int("select", ready);
|
|
return ready > 0;
|
|
}
|
|
|
|
bool Socket::ReceiveReady(const timeval *timeout)
|
|
{
|
|
fd_set fds;
|
|
FD_ZERO(&fds);
|
|
FD_SET(m_s, &fds);
|
|
#ifdef CRYPTOPP_MSAN
|
|
__msan_unpoison(&fds, sizeof(fds));
|
|
#endif
|
|
|
|
int ready;
|
|
if (timeout == NULL)
|
|
ready = select((int)m_s+1, &fds, NULL, NULL, NULL);
|
|
else
|
|
{
|
|
timeval timeoutCopy = *timeout; // select() modified timeout on Linux
|
|
ready = select((int)m_s+1, &fds, NULL, NULL, &timeoutCopy);
|
|
}
|
|
CheckAndHandleError_int("select", ready);
|
|
return ready > 0;
|
|
}
|
|
|
|
unsigned int Socket::PortNameToNumber(const char *name, const char *protocol)
|
|
{
|
|
int port = atoi(name);
|
|
if (IntToString(port) == name)
|
|
return port;
|
|
|
|
servent *se = getservbyname(name, protocol);
|
|
if (!se)
|
|
throw Err(INVALID_SOCKET, "getservbyname", SOCKET_EINVAL);
|
|
return ntohs(se->s_port);
|
|
}
|
|
|
|
void Socket::StartSockets()
|
|
{
|
|
#ifdef USE_WINDOWS_STYLE_SOCKETS
|
|
WSADATA wsd;
|
|
int result = WSAStartup(0x0202, &wsd);
|
|
if (result != 0)
|
|
throw Err(INVALID_SOCKET, "WSAStartup", result);
|
|
#endif
|
|
}
|
|
|
|
void Socket::ShutdownSockets()
|
|
{
|
|
#ifdef USE_WINDOWS_STYLE_SOCKETS
|
|
int result = WSACleanup();
|
|
if (result != 0)
|
|
throw Err(INVALID_SOCKET, "WSACleanup", result);
|
|
#endif
|
|
}
|
|
|
|
int Socket::GetLastError()
|
|
{
|
|
#ifdef USE_WINDOWS_STYLE_SOCKETS
|
|
return WSAGetLastError();
|
|
#else
|
|
return errno;
|
|
#endif
|
|
}
|
|
|
|
void Socket::SetLastError(int errorCode)
|
|
{
|
|
#ifdef USE_WINDOWS_STYLE_SOCKETS
|
|
WSASetLastError(errorCode);
|
|
#else
|
|
errno = errorCode;
|
|
#endif
|
|
}
|
|
|
|
void Socket::HandleError(const char *operation) const
|
|
{
|
|
int err = GetLastError();
|
|
throw Err(m_s, operation, err);
|
|
}
|
|
|
|
#ifdef USE_WINDOWS_STYLE_SOCKETS
|
|
|
|
SocketReceiver::SocketReceiver(Socket &s)
|
|
: m_s(s), m_eofReceived(false), m_resultPending(false)
|
|
{
|
|
m_event.AttachHandle(CreateEvent(NULL, true, false, NULL), true);
|
|
m_s.CheckAndHandleError("CreateEvent", m_event.HandleValid());
|
|
memset(&m_overlapped, 0, sizeof(m_overlapped));
|
|
m_overlapped.hEvent = m_event;
|
|
}
|
|
|
|
SocketReceiver::~SocketReceiver()
|
|
{
|
|
#ifdef USE_WINDOWS_STYLE_SOCKETS
|
|
CancelIo((HANDLE) m_s.GetSocket());
|
|
#endif
|
|
}
|
|
|
|
bool SocketReceiver::Receive(byte* buf, size_t bufLen)
|
|
{
|
|
assert(!m_resultPending && !m_eofReceived);
|
|
|
|
DWORD flags = 0;
|
|
// don't queue too much at once, or we might use up non-paged memory
|
|
WSABUF wsabuf = {UnsignedMin((u_long)128*1024, bufLen), (char *)buf};
|
|
if (WSARecv(m_s, &wsabuf, 1, &m_lastResult, &flags, &m_overlapped, NULL) == 0)
|
|
{
|
|
if (m_lastResult == 0)
|
|
m_eofReceived = true;
|
|
}
|
|
else
|
|
{
|
|
switch (WSAGetLastError())
|
|
{
|
|
default:
|
|
m_s.CheckAndHandleError_int("WSARecv", SOCKET_ERROR);
|
|
case WSAEDISCON:
|
|
m_lastResult = 0;
|
|
m_eofReceived = true;
|
|
break;
|
|
case WSA_IO_PENDING:
|
|
m_resultPending = true;
|
|
}
|
|
}
|
|
return !m_resultPending;
|
|
}
|
|
|
|
void SocketReceiver::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack)
|
|
{
|
|
if (m_resultPending)
|
|
container.AddHandle(m_event, CallStack("SocketReceiver::GetWaitObjects() - result pending", &callStack));
|
|
else if (!m_eofReceived)
|
|
container.SetNoWait(CallStack("SocketReceiver::GetWaitObjects() - result ready", &callStack));
|
|
}
|
|
|
|
unsigned int SocketReceiver::GetReceiveResult()
|
|
{
|
|
if (m_resultPending)
|
|
{
|
|
DWORD flags = 0;
|
|
if (WSAGetOverlappedResult(m_s, &m_overlapped, &m_lastResult, false, &flags))
|
|
{
|
|
if (m_lastResult == 0)
|
|
m_eofReceived = true;
|
|
}
|
|
else
|
|
{
|
|
switch (WSAGetLastError())
|
|
{
|
|
default:
|
|
m_s.CheckAndHandleError("WSAGetOverlappedResult", FALSE);
|
|
case WSAEDISCON:
|
|
m_lastResult = 0;
|
|
m_eofReceived = true;
|
|
}
|
|
}
|
|
m_resultPending = false;
|
|
}
|
|
return m_lastResult;
|
|
}
|
|
|
|
// *************************************************************
|
|
|
|
SocketSender::SocketSender(Socket &s)
|
|
: m_s(s), m_resultPending(false), m_lastResult(0)
|
|
{
|
|
m_event.AttachHandle(CreateEvent(NULL, true, false, NULL), true);
|
|
m_s.CheckAndHandleError("CreateEvent", m_event.HandleValid());
|
|
memset(&m_overlapped, 0, sizeof(m_overlapped));
|
|
m_overlapped.hEvent = m_event;
|
|
}
|
|
|
|
|
|
SocketSender::~SocketSender()
|
|
{
|
|
#ifdef USE_WINDOWS_STYLE_SOCKETS
|
|
CancelIo((HANDLE) m_s.GetSocket());
|
|
#endif
|
|
}
|
|
|
|
void SocketSender::Send(const byte* buf, size_t bufLen)
|
|
{
|
|
assert(!m_resultPending);
|
|
DWORD written = 0;
|
|
// don't queue too much at once, or we might use up non-paged memory
|
|
WSABUF wsabuf = {UnsignedMin((u_long)128*1024, bufLen), (char *)buf};
|
|
if (WSASend(m_s, &wsabuf, 1, &written, 0, &m_overlapped, NULL) == 0)
|
|
{
|
|
m_resultPending = false;
|
|
m_lastResult = written;
|
|
}
|
|
else
|
|
{
|
|
if (WSAGetLastError() != WSA_IO_PENDING)
|
|
m_s.CheckAndHandleError_int("WSASend", SOCKET_ERROR);
|
|
|
|
m_resultPending = true;
|
|
}
|
|
}
|
|
|
|
void SocketSender::SendEof()
|
|
{
|
|
assert(!m_resultPending);
|
|
m_s.ShutDown(SD_SEND);
|
|
m_s.CheckAndHandleError("ResetEvent", ResetEvent(m_event));
|
|
m_s.CheckAndHandleError_int("WSAEventSelect", WSAEventSelect(m_s, m_event, FD_CLOSE));
|
|
m_resultPending = true;
|
|
}
|
|
|
|
bool SocketSender::EofSent()
|
|
{
|
|
if (m_resultPending)
|
|
{
|
|
WSANETWORKEVENTS events;
|
|
m_s.CheckAndHandleError_int("WSAEnumNetworkEvents", WSAEnumNetworkEvents(m_s, m_event, &events));
|
|
if ((events.lNetworkEvents & FD_CLOSE) != FD_CLOSE)
|
|
throw Socket::Err(m_s, "WSAEnumNetworkEvents (FD_CLOSE not present)", E_FAIL);
|
|
if (events.iErrorCode[FD_CLOSE_BIT] != 0)
|
|
throw Socket::Err(m_s, "FD_CLOSE (via WSAEnumNetworkEvents)", events.iErrorCode[FD_CLOSE_BIT]);
|
|
m_resultPending = false;
|
|
}
|
|
return m_lastResult != 0;
|
|
}
|
|
|
|
void SocketSender::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack)
|
|
{
|
|
if (m_resultPending)
|
|
container.AddHandle(m_event, CallStack("SocketSender::GetWaitObjects() - result pending", &callStack));
|
|
else
|
|
container.SetNoWait(CallStack("SocketSender::GetWaitObjects() - result ready", &callStack));
|
|
}
|
|
|
|
unsigned int SocketSender::GetSendResult()
|
|
{
|
|
if (m_resultPending)
|
|
{
|
|
DWORD flags = 0;
|
|
BOOL result = WSAGetOverlappedResult(m_s, &m_overlapped, &m_lastResult, false, &flags);
|
|
m_s.CheckAndHandleError("WSAGetOverlappedResult", result);
|
|
m_resultPending = false;
|
|
}
|
|
return m_lastResult;
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifdef USE_BERKELEY_STYLE_SOCKETS
|
|
|
|
SocketReceiver::SocketReceiver(Socket &s)
|
|
: m_s(s), m_eofReceived(false), m_lastResult(0)
|
|
{
|
|
}
|
|
|
|
void SocketReceiver::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack)
|
|
{
|
|
if (!m_eofReceived)
|
|
container.AddReadFd(m_s, CallStack("SocketReceiver::GetWaitObjects()", &callStack));
|
|
}
|
|
|
|
bool SocketReceiver::Receive(byte* buf, size_t bufLen)
|
|
{
|
|
m_lastResult = m_s.Receive(buf, bufLen);
|
|
if (bufLen > 0 && m_lastResult == 0)
|
|
m_eofReceived = true;
|
|
return true;
|
|
}
|
|
|
|
unsigned int SocketReceiver::GetReceiveResult()
|
|
{
|
|
return m_lastResult;
|
|
}
|
|
|
|
SocketSender::SocketSender(Socket &s)
|
|
: m_s(s), m_lastResult(0)
|
|
{
|
|
}
|
|
|
|
void SocketSender::Send(const byte* buf, size_t bufLen)
|
|
{
|
|
m_lastResult = m_s.Send(buf, bufLen);
|
|
}
|
|
|
|
void SocketSender::SendEof()
|
|
{
|
|
m_s.ShutDown(SD_SEND);
|
|
}
|
|
|
|
unsigned int SocketSender::GetSendResult()
|
|
{
|
|
return m_lastResult;
|
|
}
|
|
|
|
void SocketSender::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack)
|
|
{
|
|
container.AddWriteFd(m_s, CallStack("SocketSender::GetWaitObjects()", &callStack));
|
|
}
|
|
|
|
#endif
|
|
|
|
NAMESPACE_END
|
|
|
|
#endif // #ifdef SOCKETS_AVAILABLE
|