objappli.c

一个免费的SMART CARD OS系统。

/* ============================================================================
   Project Name : jayacard
   Module Name  : proto/bios/odata/objappli.c
   Version : $Id: objappli.c,v 1.1 2004/04/23 20:24:24 dgil Exp $

	Description: Application BIOS support

    The Original Code is jayaCard code.

    The Initial Developer of the Original Code is Gilles Dumortier.

	Portions created by the Initial Developer are Copyright (C) 2002-2004 the
    Initial Developer. All Rights Reserved.

    Contributor(s):

    This program 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 of the License, or
    (at your option) any later version.

    This program 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 this program; see http://www.gnu.org/licenses/gpl.html

   History Rev	Description
   021504 dgil	wrote it from scratch
   ============================================================================
*/

#include "precomp.h"

/* ============================================================================
	Import from fstools.c
   ========================================================================= */

void __fs_move_EF_2_Appli_header(void);

/* =========================================================================
	__bios_application_deselect()

   ========================================================================= */

void __bios_application_deselect(void)
{
    /* reset auth&pin in appli mode ! */
    if (tag_life == LIFE_APPLI) {
        LOG("APPLI","__bios_application_deselect() - reset authentication process !");
        BIOS_SET_SEQVAL(SEQVAL_NOPROCESS);
    }

	#ifdef JAYA_BIOS_MULTIAPP
	HAL_ERASE_XRAM((jbyte xdata*)&current_Appli,sizeof(current_Appli));
	current_Appli_addr = NO_CURRENT_FILE;
	#endif
}

/* =========================================================================
	__bios_application_select()

   ========================================================================= */

void __bios_application_select(void)
{
	#ifdef JAYA_BIOS_MULTIAPP
    if (tag_life == LIFE_APPLI) {
		/* quick check to avoid looking an EF for nothing ...*/
		if ( (current_DF.fdesc&FDESC_HAS_APPLICATION) == FDESC_HAS_APPLICATION) {
			LOG("APPLI","__bios_application_select() - look for application ...");

			/* now, try to select the EF APPLI */
    		FS_LOOKUP_FID(FID_APPLI,LOOKUP_MODE_EF_ONLY);
			if (lasterr!=SUCCESS) {
				/* no application found */
				LOG("APPLI","__bios_application_select() - no application");
				lasterr = SUCCESS;
			} else {

				/* move EF to Appli header ; note: current_EF is no file after the move */
				FLASH_SET(__GlobalSem__,JSEC_FAIL);
				__fs_move_EF_2_Appli_header();

				/* check security */
				FLASH_DETECT(__GlobalSem__);

				LOG("APPLI","__bios_application_select() - select an application");
			}
		}
	}
	#endif

	/* application has been selected */
	BIOS_BITSET_SEQVAL(SEQVAL_SELECTED);
}

/* =========================================================================
	That's all folks !
   ========================================================================= */