[Bug 222620] [patch] usr.sbin/ppp/auth.c: Incorrect NOPAM section in auth_CheckPasswd

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222620

            Bug ID: 222620
           Summary: [patch] usr.sbin/ppp/auth.c: Incorrect NOPAM section
                    in auth_CheckPasswd
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Keywords: patch
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: bouceklubos at gmail.com
          Keywords: patch

Created attachment 186736
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=186736&action=edit
auth.c patch

Hello,

In my opinion, the current code in usr.sbin/ppp/auth.c:auth_CheckPasswd (NOPAM
section) is incorrect:

- pw is not initialized before use,
- success is returned if crypt(3) returns error (NULL).

I'm attaching a patch, please review.

Regards,

Lubos Boucek

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