[Nagiosplug-devel] [ nagiosplug-Bugs-1506121 ] check_http Problem with protocol change in redirect

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Bugs item #1506121, was opened at 2006-06-14 17:09
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Category: General plugin execution
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Jedrzej (jedrzejj)
Assigned to: Nobody/Anonymous (nobody)
Summary: check_http Problem with protocol change in redirect

Initial Comment:
Doing 'http_check -f follow' on an http:// url which
returns an HTTP 302 redirect to an https:// SSL site,
which in turn gives another redirect to an http:// url
results in segmentation fault.

Suppose we have 3 pages:
test1.php:
<?php
header("Location: https://my.test.host/test2.php");
?>

test2.php:
<?php
header("Location: http://my.test.host/test3.php");
?>

test3.php:
<?php
echo("Hello");
?>

Doing 'check_http -H my.test.host -u
"http://my.test.host/test1.php" -f follow' will cause a
segmentation fault. It wouldn't happen if test2.php
returned HTTP 200 code nor if test2.php returned
another https:// link. It always seems to happen in
HTTP -> HTTPS -> HTTP request chains.

The problem occurs on Solaris 9 with gcc-4.1.1 and
Solaris 10 with gcc-4.0.2, both have openssl 0.9.8. I
haven't yet tested any other configurations.

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