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List:       kde-devel
Subject:    Re: Password checking API
From:       Lukas Tinkl <lukas () kde ! org>
Date:       2001-10-02 11:55:44
[Download RAW message or body]

On Tuesday October 2 2001 13:37, Michael Goffioul wrote:
> 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.

I wonder how many times does it have to be said that passing 
system(cmd.latin1()) is a BIG NO? :)

Please never expect that all the system related stuff is always in latin1 
encoding.

-- 
Regards,
Lukáš Tinkl
KDE i18n maintainer
http://www.kde.org/international/czechia/


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