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#!/usr/bin/perl |
#!/usr/bin/perl |
| 2 |
# Must run on a machine with madison. |
# 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 warnings; |
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use strict; |
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use URI::Escape; |
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use Getopt::Long; |
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|
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my $html=0; |
my $html=0; |
| 13 |
if ($ARGV[0] eq 'html') { |
my $debug=0; |
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shift; |
my $suite="testing"; |
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$html=1; |
my $sta="http://secure-testing.debian.net/debian-secure-testing/dists/etch/security-updates/main/source/Sources.gz"; |
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my $output; |
| 17 |
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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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"sta=s" => \$sta, |
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"output=s", \$output) |
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|| ! @ARGV) { |
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die "usage: $0 [--suite suite] [--sta sta-mirror] [--html] [--output=file] [--debug] list ...\n"; |
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} |
} |
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|
| 27 |
if (! @ARGV) { |
my $stasources=`tempfile`; |
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die "usage: $0 [html] list\n"; |
chomp $stasources; |
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system("wget -q -O $stasources $sta"); |
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|
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if (defined $output) { |
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open (OUT, ">$output.tmp.$$") || die "output.tmp.$$: $!"; # Set the output to a file |
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} |
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else { |
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open (OUT, ">&STDOUT"); # Set the output to stdout |
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} |
} |
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|
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if ($html) { |
if ($html) { # It's HTML, so we need a header |
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print "<title>testing security issues</title>\n"; |
print OUT "<html><title>$suite security issues</title>\n"; |
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print "<ul>\n"; |
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# This is being run against something it's not meant to be, so print a warning |
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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 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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|
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sub printid { |
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my $id=shift; |
my %data; |
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$id=~s#((?:CAN|CVE)-\d+-\d+)#<a href="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=$1">$1</a>#g if $html; |
my %advlist; |
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return $id; |
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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|
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# Set some colours for the urgency types |
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my @urgencies=("high", "medium", "low", "unimportant", "unknown", "fixed"); |
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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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fixed => "#00FF00", |
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); |
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|
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my $unprop = my $unprop_all = my $unfixed = my $todos = my $fixedsta = 0; |
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|
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# Add an item into the data array. |
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sub record { |
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my ($package, $condition, $item, $urgency)=@_; |
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|
| 80 |
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if (! defined $item) { |
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$item=''; |
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} |
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|
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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#(CVE-\d+-\d+)#<a href="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=$1">$1</a>#g; |
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$item=~s#(DTSA-\d+-\d+)#<a href="http://secure-testing-master.debian.net/DTSA/$1.html">$1</a>#g; |
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} |
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|
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push @{$data{$package}{$condition}}, {item => $item, urgency => $urgency}; |
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} |
} |
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|
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foreach my $list (@ARGV) { |
foreach my $list (@ARGV) { |
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# Each of the @ARGVs we've got passed need parsing. So lets do that |
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|
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# If it's a directory, set the file to list, cause we need that. |
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if (-d $list) { |
if (-d $list) { |
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$list="$list/list"; |
$list="$list/list"; |
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} |
} |
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|
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my $id; |
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open (IN, $list) || die "open $list: $!"; |
open (IN, $list) || die "open $list: $!"; |
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while (<IN>) { |
while (<IN>) { |
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print STDERR "line: $_" if $debug; |
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chomp; |
chomp; |
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if (/^\[/) { |
if (/\s+TODO/) { # It's a todo item. Add it to the count, and ignore it |
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($id)=m/((?:DSA|CAN|CVE)-.*?) /; |
$todos++; |
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} |
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elsif (/^\[/) { # Checking adv. number for a line starting with [ : Set $id to it |
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($id)=m/((?:DSA|DTSA|CVE)-[^\s]+) /; |
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} |
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elsif (/^((?:DSA|DTSA|CVE)-[^\s]+)/) { # Check for a line with an advisory at the start : Set $id to it |
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$id=$1; |
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} |
} |
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elsif (/^(DSA|CAN|CVE)-/) { |
elsif (/^\s+\[\w+\]\s+/) { # line tagged with a debian codename |
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$id=$_; |
next; # don't handle these for now |
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} |
} |
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elsif (/^\s+[!-]\s+(.*?)\s+(.*)$/) { |
elsif (/^\s+(?:\[\w+\]\s+)?[!-]\s+(\S+)\s+(.*?)\s*$/) { # Deal with the rest of the lines |
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my $package=$1; |
my $package=$1; # We know which package it is. |
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my $version=$2; |
my $rest=$2; |
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if ($version=~/unfixed/) { |
my $version; |
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if ($html) { |
my $notes; |
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print "<li>"; |
if ($rest=~/([^\(\s]+)\s+\((.*)\)/) { |
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$version=~s!bug #(\d+)!<a href="http://bugs.debian.org/$1">bug #$1</a>!g; |
$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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# by now, we also have the version that's affected by the security problem. |
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# This is stored in $version |
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next if $version eq '<not-affected>' || $version eq '<removed>' || $version eq '<no-dsa>'; |
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|
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my @notes=split(/\s*;\s+/, $notes); |
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|
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# Fetch the urgency, if we can. |
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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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next if $urgency eq 'unimportant'; |
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|
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# It's a kernel. Add it to the list of kernels that need to be looked at. |
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if ($package=~/kernel-source-([0-9.]+)/ && $version ne '<unfixed>') { |
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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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print "$package $version for ".printid($id)."\n"; |
} |
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|
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# Fire up madison. |
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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; |
next; |
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} |
} |
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my $maddy=`madison -s testing '$package'`; |
|
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if (length $maddy) { |
if ($version eq '<unfixed>' || grep { $_ eq 'pending' } @notes) { |
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my @fields = split(/\s*\|\s*/, $maddy); |
record($package, '('.join("; ", "unfixed", @notes).')', $id, $urgency); |
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my $havver=$fields[1]; |
$unfixed++; |
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my $cmp=system("dpkg --compare-versions '$havver' '>=' '$version'"); |
# It's not been fixed! |
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if ($cmp != 0) { |
} |
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if ($html) { |
else { |
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print "<li>"; |
foreach my $maddy (@maddy) { |
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$havver='<a href="http://bjorn.haxx.se/debian/testing.pl?package='.$package.'">'.$havever.'</a>'; |
my @fields = split(/\s*\|\s*/, $maddy); |
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my $havver=$fields[1]; # It's this version in the archive I'm checking. |
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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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next if $arches eq 'hurd-i386'; |
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# Is the version in the archive the same or newer than the fix? |
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my $cmp=system("dpkg --compare-versions '$havver' '>=' '$version'"); |
| 200 |
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if ($cmp != 0){ # No, so the archive is vulnerable. |
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# Does the version exist in the secure-testing archive? |
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my $staversion = `zcat $stasources |grep-dctrl -F Package -e ^$package\$ -s Version -`; |
| 203 |
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chomp $staversion; |
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$staversion=~s/Version: //; |
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$staversion=~s/\s+//; |
| 206 |
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if (length ($staversion)) { |
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# Yes, but what version is in s-t? |
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my $stacmp = system("dpkg --compare-versions '$staversion' '>=' '$version'"); |
| 209 |
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if ($stacmp == 0){ |
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# Well, the version in the s-t archive fixes the issue |
| 211 |
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# but it's still vulnerable in the main archive |
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$urgency='fixed'; |
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$fixedsta++; |
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} |
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} |
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|
| 217 |
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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>'; |
| 219 |
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} |
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record($package, "$version needed, have $havver".(@maddy > 1 ? " [$arches]" : ""), $id, $urgency); |
| 221 |
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$unprop++; |
| 222 |
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$unprop_all++ unless @maddy > 1; |
| 223 |
} |
} |
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print "$package $version needed, have $havver for ".printid($id)."\n"; |
|
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} |
} |
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} |
} |
| 226 |
} |
} |
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} |
} |
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} |
} |
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foreach my $package (sort keys %data) { |
| 232 |
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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; |
| 236 |
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foreach my $i (sort @{$data{$package}{$condition}}) { |
| 237 |
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print OUT ", " if $items > 0; |
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|
| 239 |
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if ($html) { |
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my $color=$colormap{$i->{urgency}}; |
| 241 |
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print OUT "<span style=\"background:$color\">"; |
| 242 |
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} |
| 243 |
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print OUT $i->{item}; |
| 244 |
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if ($html) { |
| 245 |
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print OUT "</span>"; |
| 246 |
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} |
| 247 |
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|
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$items++; |
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} |
| 250 |
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print OUT "\n"; |
| 251 |
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} |
| 252 |
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} |
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|
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my %needkern; |
| 255 |
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|
| 256 |
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foreach my $version (sort keys %needkernel) { |
| 257 |
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my %images; |
| 258 |
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|
| 259 |
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if (defined $needkern{$version} && $needkern{$version} eq "0") { |
| 260 |
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next; |
| 261 |
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} |
| 262 |
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|
| 263 |
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my @dctrl; |
| 264 |
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if (defined $sources && length $sources) { |
| 265 |
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my $cat=($sources=~/\.gz/) ? "zcat" : "cat"; |
| 266 |
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@dctrl=`$cat $sources | grep-dctrl -F Binary kernel-image-$version -s Package,Build-Depends -`; |
| 267 |
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} |
| 268 |
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|
| 269 |
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my $package=""; |
| 270 |
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my $haveversion; |
| 271 |
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|
| 272 |
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foreach my $line (@dctrl) { |
| 273 |
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chomp $line; |
| 274 |
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if ($line=~/Package:\s*(\S+)/) { |
| 275 |
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$package=$1; |
| 276 |
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$haveversion="0"; |
| 277 |
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} elsif ($line=~/Build-Depends/) { |
| 278 |
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if ($line=~/kernel-tree-$version-([^,\s]+)/) { |
| 279 |
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$haveversion="$version-$1"; |
| 280 |
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} elsif ($line=~/kernel-source-$version\s+\(>?=\s*([^\s\)]+)\)/) { |
| 281 |
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$haveversion="$1"; |
| 282 |
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} |
| 283 |
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} else { |
| 284 |
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if ($package=~/linux-kernel-di/ || $package eq "") { |
| 285 |
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next; |
| 286 |
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} |
| 287 |
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$images{$package}=$haveversion; |
| 288 |
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$package=""; |
| 289 |
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} |
| 290 |
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} |
| 291 |
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|
| 292 |
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foreach my $package (sort keys %images) { |
| 293 |
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if ($images{$package} eq "0") { |
| 294 |
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print OUT "<li>" if ($html && $list_unknown); |
| 295 |
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print OUT "$package built from kernel-source-$version $needkernel{$version} needed, current version unknown\n" if $list_unknown; |
| 296 |
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} elsif (!system("dpkg --compare-versions $needkernel{$version} gt $images{$package}")) { |
| 297 |
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print OUT "<li>" if $html; |
| 298 |
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print OUT "$package built from kernel-source-$version $needkernel{$version} needed, have $images{$package}\n"; |
| 299 |
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$need_rebuild++; |
| 300 |
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} |
| 301 |
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} |
| 302 |
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|
| 303 |
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|
| 304 |
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} |
| 305 |
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|
| 306 |
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|
| 307 |
if ($html) { |
if ($html) { |
| 308 |
print "</ul>\n"; |
print OUT "</ul>\n"; |
| 309 |
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print OUT "<hr>\n"; |
| 310 |
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print OUT "Key: "; |
| 311 |
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foreach my $keyline (@urgencies) { |
| 312 |
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next if $keyline eq 'unimportant'; |
| 313 |
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print OUT "<span style=\"border: 1px dashed; background:".$colormap{$keyline}."\"> $keyline </span> "; |
| 314 |
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} |
| 315 |
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print OUT "<br>"; |
| 316 |
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print OUT "Total holes unfixed: $unfixed<br>\n"; |
| 317 |
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print OUT "Total holes fixed in unstable but not $suite: $unprop_all ($fixedsta fixed in secure-testing archive)"; |
| 318 |
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if ($unprop_all != $unprop) { |
| 319 |
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print OUT " (+".($unprop - $unprop_all)." on some arches)"; |
| 320 |
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} |
| 321 |
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print OUT "<br>\n"; |
| 322 |
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print OUT "Total number of kernel image packages not up to date: $need_rebuild<br>\n"; |
| 323 |
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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"; |
| 324 |
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print OUT "Maintained by the <a href=\"http://secure-testing-master.debian.net/\">testing security team</a><br>\n"; |
| 325 |
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print OUT "Last update: ".`date`."<br>\n"; |
| 326 |
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print OUT "</html>\n"; |
| 327 |
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} |
| 328 |
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|
| 329 |
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close OUT; |
| 330 |
|
if (defined $output) { |
| 331 |
|
rename("$output.tmp.$$", $output) || die "rename: $!"; |
| 332 |
} |
} |
| 333 |
|
unlink $stasources; |
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