ref: 2b99a49bad03ee880d1a8a2ff65d9080be934f45
dir: /test/dvd_region.c/
/* * Set / inspect region settings on a DVD drive. This is most interesting * on a RPC Phase-2 drive, of course. * * Usage: dvd_region [ -d device ] [ [ -s ] [ -r region ] ] * * Based on code from Jens Axboe <[email protected]>. * * FIXME: This code does _not_ work yet. */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include "dvdcss/dvdcss.h" #include "config.h" #include "common.h" #include "ioctl.h" #define DEFAULT_DEVICE "/dev/dvd" int set_region(int fd, int region) { #if 0 int ret, region_mask; if(region > 8 || region <= 0) { printf("Invalid region( %d)\n", region); return 1; } printf("Setting drive region can only be done a finite " \ "number of times, press CTRL-C now to cancel!\n"); getchar(); region_mask = 0xff & ~(1 << (region - 1)); printf("Setting region to %d( %x)\n", region, region_mask); if( (ret = ioctl_SendRPC(fd, region_mask)) < 0) { perror("dvd_region"); return ret; } #endif return 0; } int print_region(int fd) { int type, region_mask, rpc_scheme; int region = 1; int ret; printf("Drive region info:\n"); if( (ret = ioctl_ReportRPC(fd, &type, ®ion_mask, &rpc_scheme)) < 0) { perror("dvd_region"); return ret; } printf("Type: "); switch( type ) { case 0: printf("No drive region setting\n"); break; case 1: printf("Drive region is set\n"); break; case 2: printf("Drive region is set, with additional " \ "restrictions required to make a change\n"); break; case 3: printf("Drive region has been set permanently, but " \ "may be reset by the vendor if necessary\n"); break; default: printf("Invalid( %x)\n", type); break; } // printf("%d vendor resets available\n", ai->lrpcs.vra); // printf("%d user controlled changes available\n", ai->lrpcs.ucca); printf("Region: "); if( region_mask) while(region_mask) { if( !(region_mask & 1) ) printf("%d playable\n", region); region++; region_mask >>= 1; } else printf("non-rpc( all)\n"); printf("RPC Scheme: "); switch( rpc_scheme ) { case 0: printf("The Logical Unit does not enforce Region " \ "Playback Controls( RPC)\n"); break; case 1: printf("The Logical Unit _shall_ adhere to the " "specification and all requirements of the " \ "CSS license agreement concerning RPC\n"); break; default: printf("Reserved( %x)\n", rpc_scheme); } return 0; } static void usage(void) { fprintf( stderr, "Usage: dvd_region [ -d device ] [ [ -s ] [ -r region ] ]\n" ); } int main(int argc, char *argv[]) { char device_name[FILENAME_MAX], c, set, get, region = 0; int fd, ret; strcpy(device_name, DEFAULT_DEVICE); set = 0; get = 1; while( (c = getopt(argc, argv, "d:sr:h?")) != EOF ) { switch( c ) { case 'd': strncpy(device_name, optarg, FILENAME_MAX - 1); break; case 's': set = 1; break; case 'r': region = strtoul(optarg, NULL, 10); printf("region %d\n", region); break; case 'h': case '?': default: usage(); return -1; break; } } if( optind != argc ) { fprintf(stderr, "Unknown argument\n"); usage(); return -1; } /* Print version number */ printf( "found libdvdcss version %s\n", dvdcss_interface_2 ); if( (fd = open(device_name, O_RDONLY | O_NONBLOCK)) < 0 ) { perror("open"); usage(); return 1; } { int copyright; ret = ioctl_ReadCopyright( fd, 0, ©right ); printf( "ret %d, copyright %d\n", ret, copyright ); } if( (ret = print_region(fd)) < 0 ) return ret; if( set ) { if( !region ) { fprintf( stderr, "you must specify the region!\n" ); exit(0); } fprintf( stderr, "setting the region is not supported yet!\n"); exit( 1 ); if( (ret = set_region(fd, region)) < 0 ) return ret; } exit( 0 ); }