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List:       kde-devel
Subject:    Re: Password checking API
From:       Michael Goffioul <goffioul () imec ! be>
Date:       2001-10-02 11:37:32
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Carsten Pfeiffer wrote:
> 
> On Dienstag, 2. Oktober 2001 11:13 Michael Goffioul wrote:
> > Is there any high-level API to check the validity for a password.
> > Something like:
> >
> > bool checkPassword(const QString& user, const QString& password)
> 
> No, I don't think so. We have kdebase/kcheckpass, where there is:
> 
> int Authenticate(const char *login, const char *pass);
> 
> Maybe a wrapper for that would be a good idea.

You could implement this "checkPassword" utility around the kcheckpass
program, the problem is that you can't supply a user name to it, it
uses automatically your login name. For example, if kcheckpass would
accept a "-U" option for the user, you could write:

bool checkPassword(const QString& user, const QString& password)
{
  QString exe = KStandardDirs::findExe( "kcheckpass" );
  if ( exe.isEmpty() )
    return false;
  QString cmd = QString::fromLatin1("echo '%1' | %2 -U %3")
                                 .arg(password)
                                 .arg(exe)
                                 .arg(user);
  return (system(cmd.latin1()) == 0);
}

Michael.

-- 
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Michael Goffioul		IMEC-DESICS-MIRA
e-mail: goffioul@imec.be	(Mixed-Signal and RF Applications)
Tel:    +32/16/28-8510		Kapeldreef, 75
Fax:    +32/16/28-1515		3001 HEVERLEE, BELGIUM
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