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/*
* regionset: Region Code Manager
* Copyright (C) 1999 Christian Wolff for convergence integrated media GmbH
* 1999-12-13
*
* 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
*
* The author can be reached at scarabaeus@convergence.de,
* the project's page is at http://linuxtv.org/dvd/
*
* Several changes (see debian/changelog) by Mirko Doelle <cooper@linvdr.org>
*/
#include <stdio.h>
#include "dvd_udf.h"
#define DEFAULTDEVICE "/dev/dvd"
#define VERSION "0.2"
int main (int argc, char* argv[]) {
int i;
int rpc_status;
int vendor_resets;
int user_resets;
int region_mask;
int rpc_scheme;
char ch[3];
// setbuf(stdin,NULL);
if (argc>2) {
fprintf(stderr, "ERROR: Wrong parameters. Use -h for help.\n");
return -1;
} else {
if(argc==2 && argv[1][0]=='-' && argv[1][1]=='h' && argv[1][2]=='\0') {
printf("regionset version %s -- reads/sets region code on DVD drives\n", VERSION);
printf("Usage: %s [device]\n", argv[0]);
printf(" where default device is /dev/dvd\n");
return -1;
}
if(UDFOpenDisc(((argc==2)?argv[1]:DEFAULTDEVICE)) < 0) {
fprintf(stderr, "ERROR: Could not open drive \"%s\".\n", ((argc>=1)?argv[1]:DEFAULTDEVICE));
fprintf(stderr, "Please ensure there is a (readable) CD or DVD in the drive.\n");
return -1;
}
if (UDFRPCGet(&rpc_status,&vendor_resets,&user_resets,®ion_mask,&rpc_scheme)) {
printf("ERROR: Could not retrieve region code settings from drive.\n");
printf("This could mean your drive is region free and doesn't need any setting.\n");
} else {
printf("Current drive parameters for %s:\n", ((argc==2)?argv[1]:DEFAULTDEVICE));
printf(" RPC Type: %s\n",((rpc_scheme==0)?"Phase I (Software)":((rpc_scheme==1)?"Phase II (Hardware)":"unknown")));
printf(" RPC Status: %s",((rpc_status==0)?"no region code set":((rpc_status==1)?"active region code":((rpc_status==2)?"active region code, last change":"active region code, permanent"))));
printf(" (bitmask=0x%02X)\n", region_mask);
if(rpc_status>0) {
printf(" Drive plays discs from this region(s):");
for (i=0; i<8; i++) {
if (!(region_mask&(1<<i))) printf(" %d",i+1);
}
printf("\n");
}
printf(" Vendor may reset the RPC %d times\n", vendor_resets);
printf(" User is allowed change the region setting %d times\n", user_resets);
}
printf("Would you like to change the region setting for this drive? [y/n]: ");
fgets(ch,3,stdin);
if ((ch[0]=='y') || (ch[0]=='Y')) {
printf("Enter the new region number for your drive [1..8]: ");
fgets(ch,3,stdin);
if ((ch[0]<'0') || (ch[0]>'8')) {
printf("ERROR: Illegal region code.\n");
goto ERROR;
}
i=255;
if (ch[0]>='1')
i^=(1<<(ch[0]-'1'));
if (i==region_mask) {
printf("The drive is already configured for this region, aborting.\n");
goto ERROR;
}
printf("New RPC bitmask is 0x%02X, ok? [y/n]: ",i);
fgets(ch,3,stdin);
if ((ch[0]=='y') || (ch[0]=='Y')) {
if (UDFRPCSet(i)) {
printf("ERROR: Can't set region code.\n");
goto ERROR;
} else {
printf("Region code set successfully.\n");
}
}
}
UDFCloseDisc();
}
return 0;
ERROR:
UDFCloseDisc();
return -1;
}
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