Exemplo n.º 1
0
mozilla::ipc::IPCResult
UDPSocketParent::RecvOutgoingData(const UDPData& aData,
                                  const UDPSocketAddr& aAddr)
{
  if (!mSocket) {
    NS_WARNING("sending socket is closed");
    FireInternalError(__LINE__);
    return IPC_OK();
  }

  nsresult rv;
  if (mFilter) {
    if (aAddr.type() != UDPSocketAddr::TNetAddr) {
      return IPC_OK();
    }

    // TODO, Packet filter doesn't support input stream yet.
    if (aData.type() != UDPData::TArrayOfuint8_t) {
      return IPC_OK();
    }

    bool allowed;
    const InfallibleTArray<uint8_t>& data(aData.get_ArrayOfuint8_t());
    rv = mFilter->FilterPacket(&aAddr.get_NetAddr(), data.Elements(),
                               data.Length(), nsISocketFilter::SF_OUTGOING,
                               &allowed);

    // Sending unallowed data, kill content.
    if (NS_WARN_IF(NS_FAILED(rv)) || !allowed) {
      return IPC_FAIL(this, "Content tried to send non STUN packet");
    }
  }

  switch(aData.type()) {
    case UDPData::TArrayOfuint8_t:
      Send(aData.get_ArrayOfuint8_t(), aAddr);
      break;
    case UDPData::TIPCStream:
      Send(aData.get_IPCStream(), aAddr);
      break;
    default:
      MOZ_ASSERT(false, "Invalid data type!");
      return IPC_OK();
  }

  return IPC_OK();
}
Exemplo n.º 2
0
bool
UDPSocketParent::RecvOutgoingData(const UDPData& aData,
                                  const UDPSocketAddr& aAddr)
{
  MOZ_ASSERT(mSocket);

  nsresult rv;
  if (mFilter) {
    // TODO, Bug 933102, filter packets that are sent with hostname.
    // Until then we simply throw away packets that are sent to a hostname.
    if (aAddr.type() != UDPSocketAddr::TNetAddr) {
      return true;
    }

    // TODO, Packet filter doesn't support input stream yet.
    if (aData.type() != UDPData::TArrayOfuint8_t) {
      return true;
    }

    bool allowed;
    const InfallibleTArray<uint8_t>& data(aData.get_ArrayOfuint8_t());
    rv = mFilter->FilterPacket(&aAddr.get_NetAddr(), data.Elements(),
                               data.Length(), nsIUDPSocketFilter::SF_OUTGOING,
                               &allowed);

    // Sending unallowed data, kill content.
    if (NS_WARN_IF(NS_FAILED(rv)) || !allowed) {
      return false;
    }
  }

  switch(aData.type()) {
    case UDPData::TArrayOfuint8_t:
      Send(aData.get_ArrayOfuint8_t(), aAddr);
      break;
    case UDPData::TInputStreamParams:
      Send(aData.get_InputStreamParams(), aAddr);
      break;
    default:
      MOZ_ASSERT(false, "Invalid data type!");
      return true;
  }

  return true;
}