[3486] | 1 | #!/usr/bin/perl -w
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| 2 | #
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| 3 | # $Id$
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| 4 | # Copyright B. Cornec 2005-2014
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| 5 | # Provided under the GPL v2
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| 6 | #
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| 7 | # Get the complete network configuration of the system
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| 8 | #
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| 9 | use strict 'vars';
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| 10 | use ProjectBuilder::Base;
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| 11 | use ProjectBuilder::Version;
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| 12 | use Data::Dumper;
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| 13 | use Getopt::Long qw(:config auto_abbrev no_ignore_case);
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| 14 | use English;
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| 15 |
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| 16 |
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| 17 | =pod
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| 18 |
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| 19 | =head1 NAME
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| 20 |
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| 21 | mr-label labelling tool
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| 22 |
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| 23 | =head1 DESCRIPTION
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| 24 |
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| 25 | mr-label labels VFAT devices or files representing VFAT devices
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| 26 |
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| 27 | =head1 SYNOPSIS
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| 28 |
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| 29 | mr-label [-v][-h][-l label] device|file
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| 30 |
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| 31 | =head1 ARGUMENTS
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| 32 |
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| 33 | =over 4
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| 34 |
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| 35 | =item B<device|file>
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| 36 |
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| 37 | This is the VFAT device or file representing a VFAT device to modify with regards to its label
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| 38 |
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| 39 | =back
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| 40 |
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| 41 | =head1 OPTIONS
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| 42 |
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| 43 | =over 4
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| 44 |
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| 45 | =item B<-v|--verbose>
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| 46 |
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| 47 | Increase verbosity
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| 48 |
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| 49 | =item B<-h|--help>
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| 50 |
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| 51 | Print a brief help message and exits.
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| 52 |
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| 53 | =item B<--man>
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| 54 |
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| 55 | Prints the manual page and exits.
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| 56 |
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| 57 | =item B<-l label>
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| 58 |
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| 59 | This is the new label to put on the VFAT filesystem
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| 60 |
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| 61 | =back
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| 62 |
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| 63 | =head1 WEB SITES
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| 64 |
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| 65 | The main Web site of the project is available at L<http://www.mondorescue.org>. Bug reports should be filled using the trac instance of the project at L<http://trac.mondorescue.org/>.
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| 66 |
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| 67 | =head1 USER MAILING LIST
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| 68 |
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| 69 | For community exchanges around MondoRescue please use the list L<http://sourceforge.net/mailarchive/forum.php?forum_name=mondo-devel>
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| 70 |
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| 71 | =head1 AUTHORS
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| 72 |
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| 73 | The MondoRescue team lead by Bruno Cornec L<mailto:bruno@mondorescue.org>.
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| 74 |
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| 75 | =head1 COPYRIGHT
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| 76 |
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| 77 | MondoRescue is distributed under the GPL v2.0 license or later,
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| 78 | described in the file C<COPYING> included with the distribution.
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| 79 |
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| 80 | =cut
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| 81 |
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| 82 | # Global variables
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| 83 | my ($mrver,$mrrev) = pb_version_init();
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| 84 | my $appname = "mr-label";
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| 85 | my %opts; # CLI Options
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| 86 |
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| 87 | # Initialize the syntax string
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| 88 |
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| 89 | pb_syntax_init("$appname Version $mrver-$mrrev\n");
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| 90 |
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| 91 | GetOptions("help|?|h" => \$opts{'h'},
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| 92 | "man" => \$opts{'man'},
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| 93 | "verbose|v+" => \$opts{'v'},
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| 94 | "label|l=s" => \$opts{'l'},
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| 95 | ) || pb_syntax(-1,0);
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| 96 |
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| 97 | if (defined $opts{'h'}) {
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| 98 | pb_syntax(0,1);
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| 99 | }
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| 100 | if (defined $opts{'man'}) {
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| 101 | pb_syntax(0,2);
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| 102 | }
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| 103 | if (defined $opts{'v'}) {
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| 104 | $pbdebug++;
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| 105 | }
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| 106 | pb_log_init($pbdebug, $pbLOG);
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| 107 | pb_temp_init($pbdebug);
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| 108 |
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| 109 | my $label=$opts{'l'};
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| 110 | die "Unable no label defined, use -l label" if (not defined $label);
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| 111 |
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| 112 | my $inputf = $ARGV[0];
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| 113 | die "$0: no input file defined" if (not defined $inputf);
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| 114 |
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| 115 | my($inputfh, $buffer);
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| 116 | open($inputfh, "+< $inputf") || die "$0: cannot open $inputf for reading/writing: $!";
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| 117 | binmode($inputfh) || die "binmode failed: $!";
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| 118 |
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| 119 | # 42 first bytes are untouched
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| 120 | if (! seek($inputfh, 43,0)) {
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| 121 | die "Unable to seek $inputf: $!";
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| 122 | }
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| 123 |
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| 124 | # Label is then the 11 following bytes
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| 125 | my $size = read($inputfh, $buffer, 11);
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| 126 | if ($size != 11) {
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| 127 | die "Unable to read existing label: $!";
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| 128 | }
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| 129 | pb_log(1,"Previous label was ***$buffer***\n");
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| 130 | my $hexlabel=sprintf("%-11s", uc($label));
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| 131 | pb_log(1,"New label is ***$hexlabel***\n");
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| 132 | # Go back
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| 133 | seek($inputfh, 43,0);
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| 134 | print $inputfh $hexlabel;
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| 135 | close($inputfh) || die "couldn't close $inputf: $!";
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