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#!/usr/bin/perl
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| 2 |
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use strict;
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| 4 |
use File::Temp;
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use Getopt::Std;
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#use Smart::Comments;
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use Term::ReadLine;
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my %opts;
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getopts('ln:fhi:t:Tca:e:uU', \%opts);
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sub print_commands {
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print <<'EOF';
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* blank line to skip to next issue
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* .fname to do "apt-file search name"
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* .cname to do "apt-cache search name"
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* .wname to look up name in wnpp
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* .mpackage to search data/embedded-code-copies for "package"
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* .rpackage to launch an editor with a report of the issue against "package"
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* !command to execute a command with system() without any escaping
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* v or e to launch an editor with the current item
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* q to save and quit
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* CTRL-C to quit without saving
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* everything else is inserted as product name for a NOT-FOR-US
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EOF
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}
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if ($opts{h}) {
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print <<'EOF';
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downloads allitems.txt from cve.mitre.org and shows full decription for each
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"TODO: check" item (2003 and newer). Then
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- tries to guess product name and php filename and does
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apt-cache and apt-file search
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- waits for input:
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EOF
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print_commands;
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print <<'EOF';
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Use "svn diff" and "svn revert" as needed ;-)
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OPTIONS: [ -l [-n <n>] [-f] ]
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-l : just list issues
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-n <n> : show max n lines of each description (default 2)
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-f : show full CVE/list entry as well
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-i regexp : use regexp to select todos (default: 'CVE-20(?:0[3-9]|1[0-9])' )
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-t regexp : use regexp to select todos (default: '^\s+TODO: check$' )
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-T : same as -t '^\s+TODO: check' (note the missing $)
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-u : also show unfixed issues without bug reference
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-U : only show unfixed issues without bug reference instead of TODO items
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-c : only do syntax check of embedded-code-copies
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-e <file> : use <file> for embedded-code-copies, "-" for STDIN
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-a <n> : If automatic apt-cache/apt-file search gives more than n results,
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display only the count (default 10)
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EOF
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exit(0);
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}
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# TODO/BUGS:
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# - go back to previous issue / undo
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# - handle entries with several TODO lines
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# - handle claimed-by
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my $basedir;
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if (-e "secure-testing/data/CVE/list") {
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$basedir="secure-testing";
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} elsif (-e "data/CVE/list") {
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$basedir=".";
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} elsif (-e "../data/CVE/list") {
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$basedir="..";
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}
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my $embed_code = {};
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my $embed_pkg = {};
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my $embed_errors;
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read_embedded_copies();
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if ($opts{c}) {
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exit($embed_errors);
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}
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my $datafile="$basedir/data/CVE/list";
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my $allitemsfile="gunzip -c $basedir/../allitems.txt.gz|";
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my $allitemsurl="http://cve.mitre.org/data/downloads/allitems.txt.gz";
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my $removedfile="$basedir/data/packages/removed-packages";
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my $wnppurl="http://qa.debian.org/data/bts/wnpp_rm";
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my $wnppfile="../wnpp_rm";
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my $issue_regexp= $opts{i} || 'CVE-20(?:0[3-9]|1[0-9])';
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my $todo_regexp= $opts{t} || ( $opts{T} ? '^\s+TODO: check' : '^\s+TODO: check$' );
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my $auto_display_limit = 10;
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$auto_display_limit = $opts{a} if defined $opts{a};
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my $editor=$ENV{EDITOR} || $ENV{VISUAL} || "vi";
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system "cd $basedir/.. ; wget -N $allitemsurl";
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system "cd $basedir/.. ; wget -N $wnppurl";
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print "Reading data...\n";
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my $entries=read_file($datafile, qr/^CVE/ );
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my $CVEs=read_file($allitemsfile, qr/^=+$/ );
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my $data;
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my @todos;
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my %afcache;
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my $num_todo;
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my $num_missing_bug;
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foreach my $cve (@{$CVEs}) {
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$cve =~ /^Name:\s*(CVE\S+)/m or next;
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$data->{$1}->{CVE}=\$cve;
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}
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my %wnpp;
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open(WNPP, $wnppfile) or die "could not open $wnppfile";
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while (<WNPP>) {
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next unless (m/^([\w.-]+): ((?:ITP|RFP) .+)$/);
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$wnpp{lc $1} = $2;
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}
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close(WNPP);
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# packages that should be ignored by -u/-U
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my @ignore_missing_bug_list = qw/linux-2.6 linux-2.6.24
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kfreebsd-source kfreebsd-5 kfreebsd-6 kfreebsd-7
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mozilla mozilla-firefox mozilla-thunderbird firefox
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php4
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gnutls11
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/;
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my %ignore_missing_bug;
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if ($opts{u} || $opts{U}) {
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push @ignore_missing_bug_list, read_removed_packages_file($removedfile);
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$ignore_missing_bug{$_} = 1 for @ignore_missing_bug_list;
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}
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| 142 |
foreach my $entry (@{$entries}) {
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my $name;
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if ( $entry =~ /^(CVE-....-\d\d\d\d)/ ) {
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$name=$1;
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}
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elsif ( $entry =~ /^(CVE-....-XXXX.*)\n/ ){
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$name=$1;
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}
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else {
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die "invlid entry:\n$entry";
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}
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$data->{$name}->{entry}=\$entry;
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if ($name =~ /$issue_regexp/) {
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if (!$opts{U} && $entry =~ /$todo_regexp/m ) {
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push @todos, $name;
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$num_todo++;
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}
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elsif ( ($opts{u} || $opts{U})
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&& $entry =~ /^\s+-\s+(\S+)\s+<unfixed>(.*)$/m
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&& ! exists $ignore_missing_bug{$1}
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&& $2 !~ /unimportant/
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&& $entry !~ /-\s+$1\s.*?bug #/m
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) {
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push @todos, $name;
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$num_missing_bug++;
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}
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}
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}
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print scalar(@{$CVEs}), " CVEs, ",
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| 172 |
scalar(@{$entries}) - scalar(@{$CVEs}), " temp issues";
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print ", $num_todo todos matching /$todo_regexp/" if $num_todo;
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print ", $num_missing_bug entries with missing bug reference" if $num_missing_bug;
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print "\n";
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if ($opts{l}) {
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#list only
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foreach my $todo (reverse sort @todos) {
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my $desc=description($todo);
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if ($desc) {
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my $lines=$opts{n} || 2;
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if ($desc =~ /((?:.*\n){1,$lines})/) {
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$desc = $1;
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$desc =~ s/^/ /mg;
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if ($opts{f}) {
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print ${$data->{$todo}->{entry}}, $desc;
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}
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else {
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print "$todo:\n$desc";
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}
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}
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}
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else {
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print "${$data->{$todo}->{entry}}";
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}
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}
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exit 0;
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}
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my $term = new Term::ReadLine 'check-new-issues';
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if ($term->ReadLine() eq 'Term::ReadLine::Stub') {
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print "Install libterm-readline-gnu-perl to get readline support!\n";
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}
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TODO: foreach my $todo (reverse sort @todos) {
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print ${$data->{$todo}->{CVE}} if $data->{$todo}->{CVE};
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print ${$data->{$todo}->{entry}};
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auto_search($todo);
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READ: while (my $r=$term->readline(">") ) {
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chomp $r;
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if ($r =~ /^\s*$/) {
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next TODO;
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}
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elsif ($r=~ /^\.c(.*)$/ ) {
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my $s = $1;
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$s =~ tr{a-zA-Z0-9_@-}{ }cs;
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print "=== apt-cache search $s :\n";
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system("apt-cache search $s|less -FX");
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print "===\n";
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next READ;
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}
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elsif ($r=~ /^\.f(.*)$/ ) {
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my $s = $1;
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$s =~ s/^\s*(.*?)\s*$/$1/;
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$s = quotemeta($s);
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print "=== apt-file search $s:\n";
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system("apt-file search $s|less -FX");
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print "===\n";
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next READ;
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}
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elsif ($r=~ /^\.w(.*)$/ ) {
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my $s = $1;
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$s =~ s/^\s*(.*?)\s*$/$1/;
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print "=== wnpp lookup for '$s':\n";
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search_wnpp($s);
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print "===\n";
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next READ;
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}
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elsif ($r=~ /^\.m(.*)$/ ) {
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my $s = $1;
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$s =~ s/^\s+//;
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$s =~ s/\s+$//;
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print "references to $s in embedded-code-copies:\n";
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search_embed($s) or print "none\n";
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next READ;
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}
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elsif ($r=~ /^.h/i ) {
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print_commands;
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next READ;
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}
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elsif ($r=~ /^!(.+)$/ ) {
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system($1);
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print "exit status: $?\n";
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next READ;
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}
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elsif ($r=~ /^q$/i ) {
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| 261 |
last TODO;
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}
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| 263 |
elsif ($r=~ /^[ve]$/i ) {
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| 264 |
my $newentry=edit_entry(${$data->{$todo}->{entry}});
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| 265 |
if ( $newentry eq ${$data->{$todo}->{entry}} ) {
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| 266 |
print "Not changed.\n";
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next READ;
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}
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else {
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${$data->{$todo}->{entry}}=$newentry;
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| 271 |
print "New entry set to:\n$newentry";
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next TODO;
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}
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| 274 |
}
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| 275 |
elsif ($r=~ /^\.r(.*)$/ ) {
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| 276 |
my $tmp=new File::Temp();
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| 277 |
my $tmpname=$tmp->filename;
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| 278 |
system("$basedir/bin/report-vuln $1 $todo > $tmpname");
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| 279 |
system("$editor $tmpname");
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| 280 |
close($tmp);
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| 281 |
next READ;
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}
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| 283 |
else {
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| 284 |
${$data->{$todo}->{entry}} =~
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| 285 |
s/^\s*TODO: check/\tNOT-FOR-US: $r/m ;
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| 286 |
print "New entry set to:\n${$data->{$todo}->{entry}}";
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| 287 |
next TODO;
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| 288 |
}
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| 289 |
}
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| 290 |
}
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| 291 |
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| 292 |
open(my $fh, ">", $datafile);
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| 293 |
print $fh @{$entries};
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| 294 |
close($fh);
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| 295 |
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| 296 |
sub description {
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| 297 |
my $name=shift;
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| 298 |
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| 299 |
defined $data->{$name}->{CVE} or return "";
|
| 300 |
|
| 301 |
${$data->{$name}->{CVE}} =~ /\n\n(.*)^Current Votes:/ms;
|
| 302 |
my $desc = $1;
|
| 303 |
$desc =~ s/\n\n+/\n/;
|
| 304 |
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| 305 |
return $desc;
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| 306 |
}
|
| 307 |
|
| 308 |
sub read_file
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| 309 |
{
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| 310 |
my $file=shift;
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| 311 |
my $re=shift;
|
| 312 |
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| 313 |
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| 314 |
open(my $fh, $file) or die "could not open $file";
|
| 315 |
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| 316 |
my @data;
|
| 317 |
my $cur="";
|
| 318 |
while (my $line=<$fh>) {
|
| 319 |
if ($line =~ $re and $cur) {
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| 320 |
push @data, $cur;
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| 321 |
$cur = "";
|
| 322 |
}
|
| 323 |
$cur.=$line;
|
| 324 |
}
|
| 325 |
push @data, $cur if $cur;
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| 326 |
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| 327 |
close($fh);
|
| 328 |
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| 329 |
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| 330 |
return \@data;
|
| 331 |
}
|
| 332 |
|
| 333 |
|
| 334 |
sub edit_entry {
|
| 335 |
my $entry=shift;
|
| 336 |
my $tmp=new File::Temp();
|
| 337 |
my $tmpname=$tmp->filename;
|
| 338 |
print $tmp $entry;
|
| 339 |
close $tmp;
|
| 340 |
system "$editor $tmpname";
|
| 341 |
|
| 342 |
local $/; #slurp
|
| 343 |
open($tmp, $tmpname);
|
| 344 |
return <$tmp>;
|
| 345 |
|
| 346 |
}
|
| 347 |
|
| 348 |
sub auto_search {
|
| 349 |
my $name=shift;
|
| 350 |
|
| 351 |
my $desc=description($name);
|
| 352 |
$desc =~ s/[\s\n]+/ /g;
|
| 353 |
|
| 354 |
my $file;
|
| 355 |
my $prog;
|
| 356 |
if ( $desc =~ /^(\S+(?: [A-Z]\w*)*) \d/ ) {
|
| 357 |
$prog = $1;
|
| 358 |
}
|
| 359 |
elsif ( $desc =~ / in (\S+\.\S+) in (?:the )?(\S+) / ) {
|
| 360 |
$file = $1;
|
| 361 |
$prog = $2;
|
| 362 |
}
|
| 363 |
elsif ( $desc =~ / in (?:the )?(\S+) / ) {
|
| 364 |
$prog = $1;
|
| 365 |
}
|
| 366 |
if ($prog) {
|
| 367 |
my $prog_esc =$prog;
|
| 368 |
$prog_esc =~ tr{a-zA-Z0-9_@/-}{ }cs;
|
| 369 |
print "doing apt-cache search...";
|
| 370 |
my @ac=`apt-cache search $prog_esc`;
|
| 371 |
if (scalar @ac > $auto_display_limit || scalar @ac == 0) {
|
| 372 |
print "\r", scalar @ac, " results from apt-cache search $prog_esc\n";
|
| 373 |
}
|
| 374 |
else {
|
| 375 |
print "\r=== apt-cache search $prog_esc:\n", @ac, "===\n";
|
| 376 |
}
|
| 377 |
|
| 378 |
foreach my $p (split /\s+/, $prog) {
|
| 379 |
search_embed($p);
|
| 380 |
search_wnpp(qr<^\Q$p\E$>);
|
| 381 |
}
|
| 382 |
}
|
| 383 |
if ( $file =~ /^(?:index|default|login|search|admin)\.(?:php3?|asp|cgi|pl)$/i ) {
|
| 384 |
return;
|
| 385 |
}
|
| 386 |
if ( $file =~ /(php3?|asp|cgi|pl)$/ ) {
|
| 387 |
if (! exists $afcache{$file}) {
|
| 388 |
my $file_esc = quotemeta($file);
|
| 389 |
print "doing apt-file search...";
|
| 390 |
$afcache{$file}=[`apt-file -i search $file_esc`];
|
| 391 |
if (scalar @{$afcache{$file}} > $auto_display_limit) {
|
| 392 |
# replace with empty array to save mem
|
| 393 |
my $num = scalar @{$afcache{$file}};
|
| 394 |
$afcache{$file} = [];
|
| 395 |
$afcache{$file}->[$num-1] = undef;
|
| 396 |
}
|
| 397 |
}
|
| 398 |
if (scalar @{$afcache{$file}} > $auto_display_limit ||
|
| 399 |
scalar @{$afcache{$file}} == 0) {
|
| 400 |
print "\r", scalar @{$afcache{$file}},
|
| 401 |
" results from apt-file -i search $file\n";
|
| 402 |
}
|
| 403 |
else {
|
| 404 |
print "\r=== apt-file -i search $file:\n", @{$afcache{$file}}, "===\n";
|
| 405 |
}
|
| 406 |
}
|
| 407 |
}
|
| 408 |
|
| 409 |
sub read_embedded_copies {
|
| 410 |
my $emb_file = $opts{e} || "$basedir/data/embedded-code-copies";
|
| 411 |
open(my $fh, $emb_file);
|
| 412 |
|
| 413 |
# skip comments
|
| 414 |
while (<$fh>) {
|
| 415 |
last if /^---BEGIN/;
|
| 416 |
}
|
| 417 |
|
| 418 |
my ($code, $pkg);
|
| 419 |
while (my $line = <$fh>) {
|
| 420 |
if ($line =~ /^([-\w]+)/) {
|
| 421 |
$code = lc($1);
|
| 422 |
$pkg = undef;
|
| 423 |
if (exists $embed_code->{$code}) {
|
| 424 |
syntax_error("Duplicate embedded code $code")
|
| 425 |
}
|
| 426 |
}
|
| 427 |
elsif ($line =~ /^\s*$/) {
|
| 428 |
$code = undef;
|
| 429 |
$pkg = undef;
|
| 430 |
}
|
| 431 |
elsif ($line =~ /^\s+(?:\[\w+\]\s+)?-\s+(\w[\w.-]+)/) {
|
| 432 |
$pkg = $1;
|
| 433 |
$line =~ s/^\s+//;
|
| 434 |
if ($embed_code->{$code}->{$pkg}) {
|
| 435 |
$embed_code->{$code}->{$pkg} .= $line;
|
| 436 |
}
|
| 437 |
else {
|
| 438 |
$embed_code->{$code}->{$pkg} = $line;
|
| 439 |
push @{$embed_pkg->{$pkg}}, $code;
|
| 440 |
}
|
| 441 |
}
|
| 442 |
elsif ($line =~ /^\s+(?:NOTE|TODO)/) {
|
| 443 |
$line =~ s/^\s+//;
|
| 444 |
if ($pkg) {
|
| 445 |
$embed_code->{$code}->{$pkg} .= $line;
|
| 446 |
}
|
| 447 |
}
|
| 448 |
else {
|
| 449 |
syntax_error("Cannot parse $line");
|
| 450 |
}
|
| 451 |
}
|
| 452 |
}
|
| 453 |
|
| 454 |
sub syntax_error {
|
| 455 |
$embed_errors=1;
|
| 456 |
print STDERR "embedded-code-copies:$.: @_\n";
|
| 457 |
}
|
| 458 |
|
| 459 |
sub search_embed {
|
| 460 |
my $text = shift;
|
| 461 |
my $found = 0;
|
| 462 |
$text = lc($text);
|
| 463 |
if (exists $embed_code->{$text}) {
|
| 464 |
print "$text is embedded by: ",
|
| 465 |
join(" ", sort keys %{$embed_code->{$text}}),
|
| 466 |
"\n";
|
| 467 |
$found = 1;
|
| 468 |
}
|
| 469 |
if (exists $embed_pkg->{$text}) {
|
| 470 |
print "$text embeds: ",
|
| 471 |
join(" ", sort @{$embed_pkg->{$text}}),
|
| 472 |
"\n";
|
| 473 |
$found = 1;
|
| 474 |
}
|
| 475 |
return $found;
|
| 476 |
}
|
| 477 |
|
| 478 |
sub search_wnpp {
|
| 479 |
my $s = shift;
|
| 480 |
$s = lc $s;
|
| 481 |
my $found = 0;
|
| 482 |
foreach my $e (keys %wnpp) {
|
| 483 |
next unless ($e =~ m/$s/);
|
| 484 |
print "$e: $wnpp{$e}\n";
|
| 485 |
$found = 1;
|
| 486 |
}
|
| 487 |
return $found;
|
| 488 |
}
|
| 489 |
|
| 490 |
sub read_removed_packages_file {
|
| 491 |
my $file = shift;
|
| 492 |
|
| 493 |
open(my $fh, "<", $file) or die "could not open $file";
|
| 494 |
my @packages;
|
| 495 |
my $line;
|
| 496 |
while (defined ($line = <$fh>)) {
|
| 497 |
chomp $line;
|
| 498 |
$line =~ s/^\s+//;
|
| 499 |
$line =~ s/\s+$//;
|
| 500 |
next if $line =~ /^$/;
|
| 501 |
next if $line =~ /^#/;
|
| 502 |
push @packages, $line;
|
| 503 |
}
|
| 504 |
return @packages;
|
| 505 |
}
|
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