On Tue, 2004-12-14 at 08:40 -0800, Richard Lynch wrote:
> Ian Firla wrote:
> >
> > Just a follow-up to myself... I decided to try packet sniffing to see
> > what was going on and ettercap confirms that I'm sending out strings
> > rather than data of the type stored in my array:
> >
> > 16:12:26 192.168.0.101:32779 --> 192.168.0.88:32896 | UDP |
> >
> > 0000: 3331 31
> >
> > That "31" should be an integer of only one byte, not two.
>
> I suspect that PHP is converting your integers into strings at some point,
> as you build the array...
>
> *WHERE* it is doing that is difficult to say, without seeing more code.
>
> > The function that's doing the sending looks like this:
> >
> > function send_back($sock, $msg, $ip, $port) {
> > $fp = fsockopen("udp://$ip", $port, $errno, $errstr);
> > foreach ($msg as $msg_to_send) {
>
> //To confirm my suspicion that you have a string here:
> error_log("The type of $msg_to_send is " . gettype($msg_to_send));
> //Now go check your PHP error log (default: Apache error_log)
Thanks Richard.
I thought of that too and have since expanded my debugging. The types
are correct when passed to fwrite. They come out the other end as
strings:
16:39:54 SENT 'K' of type string
16:39:54 SENT '0' of type integer
16:39:54 SENT '0' of type integer
16:39:54 SENT '65' of type integer
16:39:54 SENT '31' of type integer
15:46:10 192.168.0.101:32778 --> 192.168.0.84:32896 | UDP |
0000: 4b K
15:46:10 192.168.0.101:32778 --> 192.168.0.84:32896 | UDP |
0000: 30 0
15:46:10 192.168.0.101:32778 --> 192.168.0.84:32896 | UDP |
0000: 30 0
15:46:10 192.168.0.101:32778 --> 192.168.0.84:32896 | UDP |
0000: 3635 65
15:46:10 192.168.0.101:32778 --> 192.168.0.84:32896 | UDP |
0000: 3331 31
As you can see, the last two elements "65" and "31" have arrived as
strings of two bytes rather than integers of one.
Ian
> > fwrite($fp, $msg_to_send);
> > echo date("H:i:s")." SENT '$msg_to_send'\n"; //seen server side
> > }
> > fclose($fp);
> > }
> >
> > Can anyone see where I might be going wrong? Why am I not sending the
> > integers as integers and the binary bits as binary bits?
>
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