Can I authenicate user with the accounts in passwd and shadow??

From: Date: Tue, 05 Mar 2002 00:51:14 +0000
Subject: Can I authenicate user with the accounts in passwd and shadow??
Groups: php.general 
Request: Send a blank email to php-general+get-87208@lists.php.net to get a copy of this message
I know that, I can use HTTP, or just normal HTML to prompt for user id and password. And check against the plain text, encrypted text or Database for the user account. But I wonder if I can check the user account against with the /etc/passwd, i.e. use the system accounts. For example, in the system, I am account 'snoopy', and password 'isadog'. In PHP, I prompt for the account, and if the user enters snoopy:isadog, can I verify this from the /etc/passwd and /etc/shadow??? Zenith

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