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#!/usr/bin/perl
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# Must run on a machine with madison.
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#
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# To check for un-updated binary kernel packages, also needs grep-dctrl
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# and a Sources file for the distribution. Set the location of the Sources
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# file in SOURCES_FILE in the environment.
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use URI::Escape;
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use Getopt::Long;
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my $html=0;
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my $debug=0;
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my $suite="testing";
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my $output;
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if (! GetOptions(
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"html" => \$html,
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"debug" => \$debug,
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"suite=s" => \$suite,
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"output=s", \$output)
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|| ! @ARGV) {
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die "usage: $0 [--suite suite] [--html] [--output=file] [--debug] list ...\n";
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}
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if (defined $output) {
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open (OUT, ">$output.tmp.$$") || die "output.tmp.$$: $!";
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}
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else {
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open (OUT, ">&STDOUT");
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}
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if ($html) {
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print OUT "<html><title>$suite security issues</title>\n";
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if ($suite ne 'testing' && $suite ne 'unstable') {
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print OUT <<"EOF";
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<p>
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<em>Warning:</em> This page is the result of running the testing security
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check script against the $suite distribution. As data is only gathered for
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the testing distribution, results may be innacurate if a package has
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changed its name, if a vulnerability affects $suite and not testing, or if a
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vulnerability has been fixed in $suite by the $suite security team.
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</p>
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EOF
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}
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print OUT "<ul>\n";
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}
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my %data;
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my %needkernel=qw/2.4.27 0 2.6.11 0/;
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my $list_unknown=1; #set to 1 to display kernel images with unknown source version
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my $sources=$ENV{SOURCES_FILE};
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my $need_rebuild=0;
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my @urgencies=("high", "medium", "low", "unknown");
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my %colormap=(
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high => "#FF0000",
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medium => "#FF9999",
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low => "#FFFFFF",
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unknown => "#FFFF00"
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);
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my $unprop = my $unprop_all = my $unfixed = my $todos = 0;
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sub record {
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my ($package, $condition, $item, $urgency)=@_;
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if ($html) {
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$condition=~s{bug #(\d+)}{<a href="http://bugs.debian.org/$1">bug #$1</a>}g;
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$condition=~s{unfixed}{<b>unfixed</b>}g;
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$item=~s#((?:CAN|CVE)-\d+-\d+)#<a href="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=$1">$1</a>#g;
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}
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push @{$data{$package}{$condition}}, {item => $item, urgency => $urgency};
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}
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foreach my $list (@ARGV) {
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if (-d $list) {
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$list="$list/list";
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}
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open (IN, $list) || die "open $list: $!";
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while (<IN>) {
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print STDERR "line: $_" if $debug;
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chomp;
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if (/^\[/) {
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($id)=m/((?:DSA|CAN|CVE)-[^\s]+) /;
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}
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elsif (/^((?:DSA|CAN|CVE)-[^\s]+)/) {
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$id=$1;
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}
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elsif (/^\s+[!-]\s+(\S+)\s+(.*?)\s*$/) {
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my $package=$1;
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my $rest=$2;
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my $version;
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my $notes;
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if ($rest=~/([^\(\s]+)\s+\((.*)\)/) {
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$version=$1;
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$notes=$2;
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}
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elsif ($rest=~/\((.*)\)/) {
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$version="";
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$notes=$1;
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}
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else {
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$version=$rest;
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$notes="";
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}
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my @notes=split(/\s*;\s+/, $notes);
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my $urgency="unknown";
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foreach my $u (@urgencies) {
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if (grep { $_ eq $u } @notes) {
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$urgency=$u;
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@notes = grep { $_ ne $u } @notes;
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last;
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}
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}
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if ($package=~/kernel-source-([0-9.]+)/) {
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my $kernversion=$1;
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if (exists $needkernel{$kernversion} &&
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length $version &&
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system("dpkg --compare-versions $needkernel{$kernversion} lt $version") != 0) {
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$needkernel{$kernversion}=$version;
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}
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}
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my @maddy;
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for (1..5) {
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@maddy=`madison -s '$suite' '$package'`;
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if ($? & 127 || ($? >> 8 != 0 && $? >> 8 != 1)) {
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# good old unrelaible newraff,
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# home of our archive..
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next;
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}
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last;
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}
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if ($? & 127) {
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record($package, "<em>[madison segfaulted 5 times in a row.. Medic!]</em>", $id);
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}
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elsif ($? >> 8 != 0 && $? >> 8 != 1) {
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record($package, "<em>[madison exited with ".($? >> 8)."]</em>", $id);
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}
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if (! @maddy) {
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next;
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}
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if (grep { $_ eq 'unfixed' || $_ eq 'pending' } @notes) {
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record($package, '('.join("; ", @notes).')', $id, $urgency);
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$unfixed++;
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}
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else {
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foreach my $maddy (@maddy) {
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my @fields = split(/\s*\|\s*/, $maddy);
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my $havver=$fields[1];
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my $arches=$fields[3];
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$version=~s/\s+//; # strip whitespace
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$arches=~s/\s+$//;
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my $cmp=system("dpkg --compare-versions '$havver' '>=' '$version'");
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if ($cmp != 0) {
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if ($html && $suite eq 'testing') {
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$havver='<a href="http://bjorn.haxx.se/debian/testing.pl?package='.uri_escape($package).'">'.$havver.'</a>';
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}
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record($package, "$version needed, have $havver".(@maddy > 1 ? " [$arches]" : ""), $id, $urgency);
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$unprop++;
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$unprop_all++ unless @maddy > 1;
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}
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}
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}
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}
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elsif (/\s+TODO/) {
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$todos++;
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}
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}
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}
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foreach my $package (sort keys %data) {
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foreach my $condition (sort keys %{$data{$package}}) {
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print OUT "<li>" if $html;
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print OUT "$package $condition for ";
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my $items=0;
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foreach my $i (sort @{$data{$package}{$condition}}) {
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print OUT ", " if $items > 0;
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if ($html) {
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my $color=$colormap{$i->{urgency}};
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print OUT "<span style=\"background:$color\">";
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}
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print OUT $i->{item};
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if ($html) {
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print OUT "</span>";
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}
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$items++;
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}
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print OUT "\n";
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}
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}
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foreach my $version (sort keys %needkernel) {
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my %images;
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if ($needkern{$version} eq "0") {
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next;
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}
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my @dctrl;
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if (defined $sources && length $sources) {
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my $cat=($sources=~/\.gz/) ? "zcat" : "cat";
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@dctrl=`$cat $sources | grep-dctrl -F Binary kernel-image-$version -s Package,Build-Depends -`;
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}
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my $package="";
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my $haveversion;
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foreach my $line (@dctrl) {
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chomp;
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if ($line=~/Package:\s*(\S+)/) {
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$package=$1;
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$haveversion="0";
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} elsif ($line=~/Build-Depends/) {
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if ($line=~/kernel-tree-$version-([^,\s]+)/) {
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$haveversion="$version-$1";
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} elsif ($line=~/kernel-source-$version\s+\(>?=\s*([^\s\)]+)\)/) {
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$haveversion="$1";
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}
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} else {
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if ($package=~/linux-kernel-di/ || $package eq "") {
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next;
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}
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$images{$package}=$haveversion;
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$package="";
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}
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}
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foreach $package (sort keys %images) {
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if ($images{$package} eq "0") {
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print OUT "<li>" if ($html && $list_unknown);
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print OUT "$package built from kernel-source-$version $needkernel{$version} needed, current version unknown\n" if $list_unknown;
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} elsif (!system("dpkg --compare-versions $needkernel{$version} gt $images{$package}")) {
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print OUT "<li>" if $html;
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print OUT "$package built from kernel-source-$version $needkernel{$version} needed, have $images{$package}\n";
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$need_rebuild++;
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}
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}
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}
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if ($html) {
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print OUT "</ul>\n";
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print OUT "<hr>\n";
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print OUT "Total holes unfixed: $unfixed<br>\n";
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print OUT "Total holes fixed in unstable but not $suite: $unprop_all";
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if ($unprop_all != $unprop) {
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print OUT " (+".($unprop - $unprop_all)." on some arches)";
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}
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print OUT "<br>\n";
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print OUT "Total number of kernel image packages not up to date: $need_rebuild<br>\n";
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print OUT "Number of TODO lines in <a href=\"http://svn.debian.org/wsvn/secure-testing/data/?rev=0&sc=0\">records</a>: $todos<br>\n";
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print OUT "Maintained by the <a href=\"http://secure-testing.debian.net/\">testing security team</a><br>\n";
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print OUT "Last update: ".`date`."<br>\n";
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print OUT "</html>\n";
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}
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close OUT;
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if (defined $output) {
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rename("$output.tmp.$$", $output) || die "rename: $!";
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}
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