From owner-freebsd-hackers  Thu May 18 17:26:26 2000
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Date: Thu, 18 May 2000 17:25:27 -0700
From: Jan Koum <jkb@ethereal.net>
To: "Chris D. Faulhaber" <jedgar@fxp.org>
Cc: "Daniel C. Sobral" <dcs@newsguy.com>,
	Dylan parker <dylan_parker69@hotmail.com>,
	freebsd-hackers@FreeBSD.ORG
Subject: Re: i have 4 pwd.db
Message-ID: <20000518172527.J10836@ethereal.net>
References: <3923CA91.F7761CED@newsguy.com> <Pine.BSF.4.21.0005180845580.795-100000@earth.fxp>
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In-Reply-To: <Pine.BSF.4.21.0005180845580.795-100000@earth.fxp>; from jedgar@fxp.org on Thu, May 18, 2000 at 08:46:35AM -0400
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On Thu, May 18, 2000 at 08:46:35AM -0400, "Chris D. Faulhaber" <jedgar@fxp.org> wrote:
> On Thu, 18 May 2000, Daniel C. Sobral wrote:
> > Dylan parker wrote:
> > > 
> > > I want desencrypt the files pwd.db Help me please
> > 
> > Password files are not decryptable by design.
> > 
> 
> And encrypted passwords are not stored in pwd.db (see spwd.db)
> 


And the hash itself is of course possible to recover from spwd.db:

$ cat c.c
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <pwd.h>

struct passwd *pw;

int main()
{
    while (pw = getpwent()) {
    printf("%s:%s:%d:%d:%d:%d:%s:%s:%s:%s\n", pw->pw_name, pw->pw_passwd,
        pw->pw_uid, pw->pw_gid, (int)pw->pw_change, (int)pw->pw_expire,
        pw->pw_class, pw->pw_gecos, pw->pw_dir, pw->pw_shell);
    }
}
$ make c
$ sudo ./c


-- yan


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