X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=nfc-card-dumper.pl;h=afc3140ab2667b8ab9652ca867a32d6ea922707d;hb=59ab9f21afdf5f7e1a8b25ea4eb5da3d33af51c3;hp=09be74238b5303a63db54c8f668e58c5bfc0f29c;hpb=25e67f6fb1e89a920b38b629de2695c7402d90a9;p=perl-Mifare-MAD.git

diff --git a/nfc-card-dumper.pl b/nfc-card-dumper.pl
index 09be742..afc3140 100755
--- a/nfc-card-dumper.pl
+++ b/nfc-card-dumper.pl
@@ -13,6 +13,7 @@ use Data::Dump qw(dump);
 my ($opt,$usage) = describe_options(
 	'%c %c [dump_with_keys]',
 	[ 'write=s',	'write dump to card' ],
+	[ 'verify!',	'verify writes', { default => 1 } ],
 	[ 'debug|d',	'show debug dumps' ],
 	[ 'help|h',		'usage' ],
 );
@@ -84,11 +85,17 @@ if ($r->init()) {
 
 	if ( $opt->write ) {
 		read_file $opt->write;
-		print STDERR "writing $uid block ";
 		foreach my $block ( 0 .. $tag->blocks ) {
 			my $offset = 0x10 * $block;
-			$tag->write_block( $block, substr($card,$offset,0x10) );
-			print STDERR "$block ";
+			my $data = substr($card,$offset,0x10);
+			print STDERR "writing $uid block $block";
+			$tag->write_block( $block, $data );
+			if ( $opt->verify ) {
+				print STDERR " verify ";
+				my $verify = $tag->read_block( $block );
+				print STDERR $verify eq $data ? "OK" : "ERROR";
+			}
+			print STDERR "\n";
 		}
 		print STDERR "done\n";
 		unlink $card_key_file;