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Re: Problem with login using curl in a shell script

From: [cristo] <ccristoo_at_gmail.com>
Date: Thu, 4 Jun 2009 15:23:14 -0500

-_-

I can't believe I couldn't see it!!.

Thanks a lot!!!

On Thu, Jun 4, 2009 at 3:19 PM, Jochen Roderburg <Roderburg_at_uni-koeln.de>wrote:

>
> Zitat von "[cristo]" <ccristoo_at_gmail.com>:
>
> Hello,
>>
>> I'm writing a shell script that logs in a website and downloads its home
>> page. I am already able to login using curl in a terminal via the
>> following
>> commands:
>>
>>
>> 1. curl --cookie-jar cjar --output /dev/null http://www.gamers.vg
>> 2. curl -v --cookie cjar --cookie-jar cjar --data 'remember=OF' --data
>>
>> 'tag=nickname' --data 'password=password' --location --output
>> ./temp/temp.html http://www.gamers.vg/sec/login/
>>
>> I'm using the first command to set up the cookies used by the site, and
>> the
>> second one to access the web site and downloading the main page in
>> ./temp/temp.html file.
>>
>> I'm having problems to access the web site when using those commands in
>> the
>> following shell script:
>>
>> #!/bin/bash
>>
>> # local variables
>> ############################
>>
>> tag=nickname
>> password=password
>>
>> # initial cookie
>> ############################
>>
>> echo initial cookie ...
>>
>> curl -v --cookie-jar cjar --output /dev/null http://www.gamers.vg
>>
>> echo login ...
>>
>> curl -v --cookie cjar --cookie-jar cjar \
>> --data \'remember=OF\' \
>> --data \'tag=$tag\' \
>> --data \'password=$password\' \
>> --location \
>> --output ./temp/temp.html \
>> http://www.gamers.vg/sec/login/
>>
>> echo done!
>>
>> The exit status of curl says everything is ok, but when I read temp.html I
>> always have a site's error page saying that I am missing fields of the
>> login
>> form.
>>
>> I analized the http request made by firefox when I do a normal login and
>> found that there are two hidden fields added to the request that have
>> auto-generated values that change with every submit.
>>
>> I search in the page's source the code that adds those fields but couldn't
>> find anything.
>>
>> Can somebody help me to find out why I can login when I call curl from a
>> terminal but not when I call it in a shell script?
>>
>> Thanks in advance
>>
>
>
> Because you are obviously using a different curl command line in your
> script. ;-)
>
> Why are you quoting the quoting apostrophes there a second time?
> So they are sent as part of the posted data and that is certainly not
> correct.
>
> Best regards,
>
>
> Jochen Roderburg
> RRZK
> University of Cologne
> Robert-Koch-Str. 10 Tel.: +49-221/478-7024
> D-50931 Koeln E-Mail: Roderburg_at_Uni-Koeln.DE
> Germany
>
>
>

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Received on 2009-06-04