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deb-mbse/lib/sectest.c

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2002-10-01 16:53:49 +00:00
/*****************************************************************************
*
* $Id$
* Purpose ...............: Security flags access test
*
*****************************************************************************
* Copyright (C) 1997-2003
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*
* Michiel Broek FIDO: 2:280/2802
* Beekmansbos 10
* 1971 BV IJmuiden
* the Netherlands
*
* This file is part of MBSE BBS.
*
* This BBS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* MBSE BBS is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
#include "../config.h"
#include "libs.h"
#include "structs.h"
#include "common.h"
#include "clcomm.h"
/*
* Security Access Check
*/
int Access(securityrec us, securityrec ref)
{
Syslog('B', "User %5d %08lx %08lx", us.level, us.flags, ~us.flags);
Syslog('B', "Ref. %5d %08lx %08lx", ref.level, ref.flags, ref.notflags);
if (us.level < ref.level)
return FALSE;
if ((ref.notflags & ~us.flags) != ref.notflags)
return FALSE;
if ((ref.flags & us.flags) != ref.flags)
return FALSE;
return TRUE;
}
/*
* The same test, for menus which are written in machine endian independant way.
* The second parameter MUST be the menu parameter.
*/
int Le_Access(securityrec us, securityrec ref)
{
Syslog('B', "User %5d %08lx %08lx", us.level, us.flags, ~us.flags);
Syslog('B', "Ref. %5d %08lx %08lx", le_int(ref.level), ref.flags, ref.notflags);
if (us.level < le_int(ref.level))
return FALSE;
if ((ref.notflags & ~us.flags) != ref.notflags)
return FALSE;
if ((ref.flags & us.flags) != ref.flags)
return FALSE;
return TRUE;
}