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#!/usr/bin/perl -w
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# Compares the testing_status tables from two versions of security.db.
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# To be accurate, both versions must have been created with the same svn
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# revision of the tracker data files (but with different package files).
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use strict;
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use DBI;
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my $TESTING="squeeze";
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my $MAILTO='secure-testing-team@lists.alioth.debian.org';
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my $MAILFROM='sf@sfritsch.de';
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my @d = localtime(time);
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my $MAILDATE = sprintf("%4d-%02d-%02d", $d[5] + 1900, $d[4] + 1, $d[3]);
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if (@ARGV != 2) {
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die "usage:\nlist-updates old.db new.deb\n";
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}
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my $migrated = {};
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my $dtsa = {};
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my $removed = {};
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my $versions = {};
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my $mail_text = "";
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my $old_dbh = DBI->connect("dbi:SQLite:dbname=$ARGV[0]","","", { RaiseError => 1 });
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my $new_dbh = DBI->connect("dbi:SQLite:dbname=$ARGV[1]","","", { RaiseError => 1 });
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my $sth_version = $new_dbh->prepare("SELECT version, archive FROM source_packages WHERE name = ? AND release = '$TESTING' AND subrelease = ? ");
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my $sth_desc = $new_dbh->prepare("SELECT description FROM bugs WHERE name = ?");
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my $sth_debbug = $new_dbh->prepare("SELECT d.bug FROM package_notes p JOIN debian_bugs d ON d.note = p.id WHERE bug_name = ? AND package = ? AND release = ''");
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my $old_issues = get_issues($old_dbh);
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my $new_issues = get_issues($new_dbh);
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foreach my $package ( sort keys %{$old_issues} ) {
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$versions->{$package} = package_version($package); # undef if package does not exist in $new_dbh
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foreach my $issue ( sort keys %{$old_issues->{$package}} ) {
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my $old = $old_issues->{$package}->{$issue};
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my $new = $new_issues->{$package}->{$issue};
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if ( $new ) {
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if ( $old->{testing_security_fixed} == 0
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and $new->{testing_security_fixed} == 1 )
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{
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push @{$dtsa->{$package}}, $issue;
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$versions->{$package} = package_version($package, "security");
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}
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}
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else {
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if ( ! defined $versions->{$package} ) {
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push @{$removed->{$package}}, $issue;
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}
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elsif ( $old->{testing_security_fixed} != 1 ) {
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push @{$migrated->{$package}}, $issue;
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}
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}
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}
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}
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print_hash($dtsa, "DTSA", <<"EOF");
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The following issues have been fixed by uploads to testing-security:
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EOF
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print_hash($migrated, "Migrated from unstable");
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print_hash($removed, "Removed from testing", <<"EOF");
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The following issues have been "fixed" by removing the (source) packages from
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testing. This probably means that you have to manually uninstall the
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corresponding binary packages to fix the issues.
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It can also mean that the packages have been replaced, or that they have been
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temporarily removed by the release team to make transitions from unstable
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easier.
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EOF
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if ($mail_text) {
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send_mail();
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print "mail sent.\n";
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}
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else {
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print "nothing fixed, no mail sent.\n";
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}
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# workaround DBD::Sqlite bug
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undef $sth_version;
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undef $sth_desc;
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undef $sth_debbug;
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########### end MAIN #############
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sub print_mail {
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$mail_text .= join('', @_);
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}
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sub print_both {
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print_mail(@_);
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print @_;
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}
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sub print_hash {
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my $hash = shift;
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my $name = shift;
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my $desc = shift;
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return if ! scalar keys %{$hash};
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print_both("$name:\n");
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print_both('=' x ( length($name) + 1) , "\n");
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print_mail("$desc") if $desc;
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foreach my $p (sort keys %{$hash}) {
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my $version = "";
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if ( $versions->{$p} ) {
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$version = " $versions->{$p}";
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}
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print_both("$p" . $version . ":\n");
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# sort DTSAs first
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my @issues = sort grep(/^DTSA/, @{$hash->{$p}});
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push @issues, sort grep(!/^DTSA/, @{$hash->{$p}});
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my %seen_dbug;
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foreach my $i (@issues) {
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print_both(issue2string($i));
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# print debian bug no more than once per package
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my @dbugs = issue2debbug($i, $p);
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foreach my $dbug (@dbugs) {
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if ( ! $seen_dbug{$dbug} ) {
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$seen_dbug{$dbug} = 1;
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print_both(" "x15 . "http://bugs.debian.org/$dbug\n");
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}
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}
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}
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print_both("\n");
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}
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}
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sub get_issues {
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my $dbh = shift;
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return $dbh->selectall_hashref(
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'SELECT package, bug, unstable_vulnerable, testing_security_fixed FROM testing_status',
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[ 'package', 'bug' ] );
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}
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sub package_version {
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my $package = shift;
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my $subrelease = shift || "";
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$sth_version->execute($package, $subrelease);
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my $result = $sth_version->fetchall_arrayref();
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if (scalar @{$result} > 1) {
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return "";
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}
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if (scalar @{$result} == 0) {
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return undef;
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}
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my $archive = "";
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if ($result->[0]->[1] ne 'main') {
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$archive = " ($result->[0]->[1])";
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}
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return $result->[0]->[0] . $archive;
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}
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sub issue2string {
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my $issue = shift;
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my $url = "";
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my $desc = "";
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$sth_desc->execute($issue);
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my $result = $sth_desc->fetchall_arrayref();
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$desc = $result->[0]->[0];
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if ( $issue =~ /^CVE-\d{4}-\d{4}/ ) {
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$url = "http://cve.mitre.org/cgi-bin/cvename.cgi?name=" . $issue ;
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return "$issue: $url\n";
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}
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elsif ( $issue =~ /^DTSA-/ ) {
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return "$issue : $desc\n";
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}
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else {
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return "<no CVE yet> : $desc\n";
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}
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}
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sub issue2debbug {
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my ($issue, $package) = @_;
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$sth_debbug->execute($issue, $package);
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my $rows = $sth_debbug->fetchall_arrayref();
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my @bugs = map { $_->[0] } @{$rows};
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return @bugs;
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}
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sub send_mail {
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open(my $sendmail, "| /usr/sbin/sendmail -bm -ti") or die "could not invoke sendmail\n";
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print $sendmail <<"EOF";
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From: $MAILFROM
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To: $MAILTO
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Subject: Security update for Debian Testing - $MAILDATE
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This automatic mail gives an overview over security issues that were recently
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fixed in Debian Testing. The majority of fixed packages migrate to testing
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from unstable. If this would take too long, fixed packages are uploaded to the
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testing-security repository instead. It can also happen that vulnerable
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packages are removed from Debian testing.
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$mail_text
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How to update:
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--------------
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Make sure the line
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deb http://security.debian.org $TESTING/updates main contrib non-free
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is present in your /etc/apt/sources.list. Of course, you also need the line
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pointing to your normal $TESTING mirror. You can use
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aptitude update && aptitude dist-upgrade
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to install the updates.
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More information:
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-----------------
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More information about which security issues affect Debian can be found in the
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security tracker:
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http://security-tracker.debian.net/tracker/
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A list of all known unfixed security issues is at
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http://security-tracker.debian.net/tracker/status/release/testing
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EOF
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#############################
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close($sendmail);
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if ($?) {
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print "Sendmail error\n";
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}
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}
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