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#include <afxsock.h>
void ErrorWrapper() {
DWORD dwRC = NULL;
DWORD dwError = GetLastError();
LPVOID lpMsgBuf;
lpMsgBuf = NULL;
dwRC = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER
|FORMAT_MESSAGE_FROM_SYSTEM
|FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
dwError,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf,
0,
NULL);
if ( dwRC && lpMsgBuf )
printf("Error %d: %s\n", dwError, lpMsgBuf);
else
printf("Error %d\n", dwError);
}
bool IsValidHexChar(int c) {
if ( ( c >= '0' && c <= '9' ) || ( c >= 'A' && c <= 'F' ) || ( c >= 'a' && c <= 'f' ) )
return true;
return false;
}
bool IsMacAddr(char* addr) {
if ( strlen(addr) != 17)
return false;
for ( int i = 0 ; i < 17 ; i++ ) {
if ( (i + 1) % 3 ) {
if ( !IsValidHexChar(addr[i]) )
return false;
}
else {
if ( ! ( addr[i] == '-' || addr[i] == '-' ) )
return false;
}
}
return true;
}
int main(int argc, char *argv[]) {
if ( argc != 2 )
return 0;
if ( ! AfxSocketInit() )
return 0;
char Addr[64];
strcpy_s(Addr, 63, argv[1]);
if ( ! IsMacAddr(Addr) )
return 0;
int magicP[102];
for ( int i = 0 ; i < 6 ; i++ )
magicP[i] = 0xFF;
unsigned int tempint;
char tempstr[4];
for ( int i = 0 ; i < 6 ; i++ ) {
sprintf_s(tempstr, 3, "%c%c", toupper(Addr[i * 2 + i * 1]), toupper(Addr[i * 2 + i * 1 + 1]));
sscanf_s(tempstr, "%x", &tempint);
magicP[6 + i] = tempint;
}
for ( int i = 2 ; i < 17 ; i++ ) {
for ( int j = 0 ; j < 6 ; j++ ) {
magicP[i * 6 + j] = magicP[6 + j];
}
}
UINT Port = 9; // Tried 7, 9, 40000
CAsyncSocket Socket;
Socket.Create(Port, SOCK_DGRAM);
BOOL bOptVal = TRUE;
if (Socket.SetSockOpt(SO_BROADCAST,(char*)&bOptVal,sizeof(BOOL))==SOCKET_ERROR)
return 0;
int result = Socket.SendTo(magicP, 102, Port);
Socket.Close();
if ( result != SOCKET_ERROR ) {
printf("\nResult: %d\n", result);
Sleep(2000);
}
else {
ErrorWrapper();
printf("\n%d = WSANOTINITIALISED \
\n%d = WSAENETDOWN \
\n%d = WSAEACCES \
\n%d = WSAEINPROGRESS \
\n%d = WSAEFAULT \
\n%d = WSAEINVAL \
\n%d = WSAENETRESET \
\n%d = WSAENOBUFS \
\n%d = WSAENOTCONN \
\n%d = WSAENOTSOCK \
\n%d = WSAEOPNOTSUPP \
\n%d = WSAESHUTDOWN \
\n%d = WSAEWOULDBLOCK \
\n%d = WSAEMSGSIZE \
\n%d = WSAECONNABORTED \
\n%d = WSAECONNRESET \
\n%d = WSAEADDRNOTAVAIL \
\n%d = WSAEAFNOSUPPORT \
\n%d = WSAEDESTADDRREQ \
\n%d = WSAENETUNREACH",
WSANOTINITIALISED,
WSAENETDOWN,
WSAEACCES,
WSAEINPROGRESS,
WSAEFAULT,
WSAEINVAL,
WSAENETRESET,
WSAENOBUFS,
WSAENOTCONN,
WSAENOTSOCK,
WSAEOPNOTSUPP,
WSAESHUTDOWN,
WSAEWOULDBLOCK,
WSAEMSGSIZE,
WSAECONNABORTED,
WSAECONNRESET,
WSAEADDRNOTAVAIL,
WSAEAFNOSUPPORT,
WSAEDESTADDRREQ,
WSAENETUNREACH);
system("PAUSE");
}
return 1;
}
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