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dpavlin |
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#!/usr/bin/perl -w |
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# fw-info.pl |
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# |
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# 04/22/07 16:33:13 CEST Dobrica Pavlinusic <dpavlin@rot13.org> |
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use strict; |
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use Data::Dump qw/dump/; |
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dpavlin |
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use File::Find; |
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dpavlin |
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dpavlin |
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my $debug = 0; |
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dpavlin |
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my @images = @ARGV; |
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push @images, '/srv/tftp/BANT-R' unless @images; |
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dpavlin |
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dpavlin |
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my $magic = 'BLI223QH0'; |
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dpavlin |
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sub get_from { |
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my ($fh,$seek,$len) = @_; |
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my $b; |
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seek($fh, $seek, 0) || die "can't seek to $seek: $!"; |
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read($fh, $b, $len) || die "can't read $len bytes: $!"; |
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return $b; |
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} |
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dpavlin |
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sub firmware { |
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my $path = shift; |
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dpavlin |
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open(my $fh, $path) || die "Can't open $path: $!"; |
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my $b; |
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read($fh, $b, length($magic)); |
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dpavlin |
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if ($b ne $magic) { |
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warn "# $path not a firmware image\n"; |
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return; |
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} |
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dpavlin |
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my $version = get_from($fh, 32, 4); |
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my $board = get_from($fh, 0x136, 6); |
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my $name = get_from($fh, 0x144, 15); |
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chomp($name); |
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dpavlin |
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$version = join('.',unpack('CCCC', $version)); |
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printf("%8s %6s %s\t%s\n", $version, $board, $name, $path); |
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} |
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dpavlin |
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dpavlin |
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for my $path ( @images ) { |
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warn "# ? $path\n" if $debug; |
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if ( -d $path ) { |
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find( sub { |
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my $path = $File::Find::name; |
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warn "# ?? $path\n" if $debug; |
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firmware( $path ) if -f $path; |
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}, $path ); |
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} elsif ( -f $path ) { |
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firmware( $path ); |
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} else { |
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warn "# unknown: $path\n"; |
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} |
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dpavlin |
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} |