how to login into phpbb software by passing username and pwd via url

I have installed the phpb开发者_StackOverflow中文版b software and i am new to it, if a user access the forum via url like http://192.168.1.162/payodatalk/service/login.php?mode=login&username=uname&pwd=123

 Where can i find the session variables like user name and password initialized ? i have referred the PHPBB site but still i am not clear about it. Any help on this would be useful for me.

thanks in advance

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You should not allow authentication through GET request, since the requests would not be idempotent (cfr Hypertext Transfer Protocol - Method definitions).

However, to allow this you should modify phpBB's login function to fetch username and password from the $_GET supervariable instead of $_POST only (you should check $_GET if $_POST does not contain username and password, do not replace the $_POST entirely).

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It can be done by changing the base code.. For that read the code structure of phpBB here

but its not safe to include pwd in the url itself .

Consider a user logs in as u specified and anyone who able to see the url from browser history can also login..

Thats a bad technique to be online and its actually reverse to the concept of authentication.