instead. The same for array_push
Ben Vaughn wrote:
Hello,
Long time reader, first time e-mailer :-). I am having a pretty
strange issue with fgets and a socket, and was hoping that perhaps
someone here can help me. First, my code:
function dowhois($who) {
$data = array("");
$whom = trim($who);
$fp = fsockopen ("127.0.0.1", 43, $errno, $errstr, 30) or
die("Could not open socket to proxy");
if (!$fp) {
die("$errstr ($errno)\n");
} else {
fputs ($fp, "$whom\r\n") or die("Could not write to
socket");
while ($fp && !feof($fp)) {
$packet = fgets($fp, 4096) or die("Could not
read from socket");
array_push($data, $packet) or die("Could not
push data into array");
}
fclose ($fp);
}
return $data;
}
As you can see, this is a function that accepts a string as an argument
and is supposed to open a connection to a local WHOIS server, query for
that string and return the results in an array. Unfortunately, when I
call this function I always trip the third die();, "Could not read from
socket." fgets always trips this. I am running PHP 4.3.0. I will also
share some things I have learned in the last two days worth of
problem-solving:
- If I use fread instead of fget, I can pull the data, although it looks
pretty worthless (I need \n terminated to parse the output properly)
- Changing $fp from blocking to non-blocking alleviates no problems
- Changing the max line length to anything does not cause issues
- I have turned on auto_detect_line_endings to no avail
- I have a pretty much identical script that does an HTTP query and that
works. 3rd party php scripts that use sockets also work. It seems that
WHOIS is causing the problem?
Thanks for any help anyone can provide!
Regards,
Ben
------
Ben Vaughn
Security Analyst
Blackbird Technologies
703-796-1438 W / 703-868-5258 C
[EMAIL PROTECTED]
------
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