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- improve some parameter checking in WSAIoctl 

- fix a memory leak I introduced in WSAIoctl
This commit is contained in:
Juan Lang 2003-08-30 00:16:19 +00:00 committed by Alexandre Julliard
parent 549e247844
commit 85abf9cb90
1 changed files with 27 additions and 2 deletions
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29
dlls/winsock/socket.c
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@ -1968,7 +1968,19 @@ INT WINAPI WSAIoctl (SOCKET s,
DWORD size, numInt, apiReturn;
TRACE ("-> SIO_GET_INTERFACE_LIST request\n");
/* FIXME: length of output buffer not checked */
if (!lpbOutBuffer)
{
close(fd);
WSASetLastError(WSAEFAULT);
return SOCKET_ERROR;
}
if (!lpcbBytesReturned)
{
close(fd);
WSASetLastError(WSAEFAULT);
return SOCKET_ERROR;
}
apiReturn = GetAdaptersInfo(NULL, &size);
if (apiReturn == ERROR_NO_DATA)
@ -1985,6 +1997,13 @@ INT WINAPI WSAIoctl (SOCKET s,
{
PIP_ADAPTER_INFO ptr;
if (size > cbOutBuffer)
{
HeapFree(GetProcessHeap(),0,table);
close(fd);
WSASetLastError(WSAEFAULT);
return (SOCKET_ERROR);
}
for (ptr = table, numInt = 0; ptr;
ptr = ptr->Next, intArray++, numInt++)
{
@ -2035,7 +2054,6 @@ INT WINAPI WSAIoctl (SOCKET s,
intArray->iiBroadcastAddress.AddressIn.sin_addr.
WS_s_addr = bcast;
}
HeapFree(GetProcessHeap(),0,table);
}
else
{
@ -2045,6 +2063,7 @@ INT WINAPI WSAIoctl (SOCKET s,
WSASetLastError(WSAEINVAL);
return (SOCKET_ERROR);
}
HeapFree(GetProcessHeap(),0,table);
}
else
{
@ -2416,6 +2435,12 @@ INT WINAPI WSASendTo( SOCKET s, LPWSABUF lpBuffers, DWORD dwBufferCount,
goto error;
}
if ( !lpNumberOfBytesSent )
{
err = WSAEFAULT;
goto error;
}
iovec = HeapAlloc (GetProcessHeap(), 0, dwBufferCount * sizeof (struct iovec) );
if ( !iovec )