check_http + headers

af.at.work at gmail.com af.at.work at gmail.com
Fri Jul 29 15:35:32 CEST 2011


With cURL, I can successfully log into the website I ultimately want
have Nagios test by passing --cookies.

Something like this: curl --cookie
"user=4reqrerqwr;userlogin=123adsfjlk324"
http://mysite.com/home/index.aspx -v | grep Welcome

I know it is successful because, 1, I can visually see the rendered
code and 2, the grep search for Welcome would only be seen if the
authentication was successful.

I am trying to mimic this in Nagios with check_http like so:

./check_http -H mysite.com -u http://mysite.com/home/index.aspx -f
follow -s Welcome -k 'Cookie: user=4reqrerqwr;userlogin=123adsfjlk324'
-v

One big difference I see is that in cURL the cookie is set on 1 line
but the verbose response from check_http shows the cookie on two
lines.

Cookie: user=4reqrerqwr;userlogin=123adsfjlk324 vs

Cookie: user=4reqrerqwr
userlogin=123adsfjlk324

I am open to suggestions and of course alternatives. I have checked
out WebInject but this seems to be SO close I hate to drop it.

Lastly, I have tried check_curl, and extended it to support cookies.
This DOES work but I am getting (null) on the responses and the grep
never causes Nagios to fail regardless of a valid result being
returned.

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