PAL.C.T MINI SHELL
#!/usr/bin/perl
# Download updates to script installers that we don't have yet
package virtual_server;
$main::no_acl_check++;
require './virtual-server-lib.pl';
if ($ARGV[0] eq "-debug" || $ARGV[0] eq "--debug") {
$debug = 1;
}
# Get Virtualmin serial and key for authentication
&read_env_file($virtualmin_license_file, \%licence);
($user, $pass) = ($licence{'SerialNumber'}, $licence{'LicenseKey'});
# Check if GPG is available
&foreign_require("webmin");
($gpgbad, $err) = &webmin::gnupg_setup();
if (!$gpgbad) {
# Import key if needed
@keys = &webmin::list_keys();
($key) = grep { $_->{'email'}->[0] eq $script_latest_key } @keys;
if (!$key) {
&webmin::list_keys();
$out = &backquote_command("$webmin::gpgpath --import ".
"$module_root_directory/latest-scripts-key.asc 2>&1");
if ($?) {
if ($debug) {
print STDERR "GPG key import failed : $out\n";
}
$gpgbad = 1;
}
}
}
elsif ($debug) {
print STDERR "GPG verification not available : $err\n";
}
# Try to fetch the scripts index
&http_download($script_latest_host, $script_latest_port,
$script_latest_dir.$script_latest_file,
\$lstr, \$err, undef, 0, $user, $pass, 30, 0, 1);
if ($err) {
if ($debug) {
print STDERR "Failed to fetch http://$script_latest_host$script_latest_dir$script_latest_file : $err\n";
}
exit(0);
}
if (!$gpgbad) {
# Fetch the scripts index signature and verify
$script_latest_sig = $script_latest_file."-sig.asc";
&http_download($script_latest_host, $script_latest_port,
$script_latest_dir.$script_latest_sig,
\$lsigstr, \$err, undef, 0, $user, $pass, 30, 0, 1);
if ($err) {
if ($debug) {
print STDERR "Failed to fetch http://$script_latest_host$script_latest_dir$script_latest_sig : $err\n";
}
exit(0);
}
($ok, $err) = &webmin::verify_data($lstr, $lsigstr);
if ($ok > 1) {
if ($debug) {
print STDERR "GPG verification failed for index file : $err\n";
}
exit(0);
}
}
# Parse the scripts index
foreach $l (split(/\r?\n/, $lstr)) {
($lname, $lvers, $lrelease) = split(/\t/, $l);
$latest{$lname} = [ split(/\s+/, $lvers) ];
$release{$lname} = $lrelease;
}
if ($debug) {
print STDERR "Found ",scalar(keys %latest)," available scripts\n";
}
# See which scripts to update
if ($config{'scriptlatest'}) {
%want = map { $_, 1 } split(/\s+/, $config{'scriptlatest'});
}
else {
%want = ( '*' => 1 );
}
# Compare with versions we have, to find newer ones
foreach $sname (&list_scripts()) {
next if (!$want{$sname} && !$want{'*'});
$script = &get_script($sname);
@lvers = @{$latest{$sname}};
next if (!@lvers); # No update
@lvers = sort { &compare_versions($a, $b, $script) } @lvers;
@svers = sort { &compare_versions($a, $b, $script) }
@{$script->{'versions'}};
$want_download = 0; # Need to download installer?
$any_local_newer = 0; # Are local versions newer?
if (scalar(@lvers) != scalar(@svers)) {
# More versions exist, so this update must be better
if ($debug) {
print STDERR "$sname has ",scalar(@lvers)," latest versions ",scalar(@svers)," installed versions\n";
}
$want_download++;
}
else {
# See if any latest version is better
for(my $i=0; $i<scalar(@lvers); $i++) {
$vdiff = &compare_versions($lvers[$i], $svers[$i],
$script);
if ($vdiff > 0) {
if ($debug) {
print STDERR "$sname has latest $lvers[$i] installed $svers[$i]\n";
}
$want_download++;
}
elsif ($vdiff < 0) {
$any_local_newer++;
}
}
}
if (!$want_download && $release{$sname} > $script->{'release'} &&
!$any_local_newer) {
# New version of installer itself
if ($debug) {
print STDERR "$sname has new release $release{$sname} ",
"compared to $script->{'release'}\n";
}
$want_download++;
}
if ($want_download) {
push(@download, $sname);
}
}
if (!@download) {
if ($debug) {
print STDERR "No needed script installer updates found\n";
}
exit(0);
}
# Download new scripts
foreach $down (@download) {
if ($debug) {
print STDERR "Updating $down ..\n";
}
# Get the script
$sdata = $sigdata = undef;
$err = undef;
&http_download($script_latest_host, $script_latest_port,
$script_latest_dir.$down.".pl", \$sdata, \$err,
undef, 0, $user, $pass, 30, 0, 1);
if ($err) {
if ($debug) {
print STDERR "Failed to download $down : $err\n";
}
next;
}
# If we have GPG, get the signature too
if (!$gpgbad) {
$err = undef;
&http_download($script_latest_host, $script_latest_port,
$script_latest_dir.$down.".pl-sig.asc",
\$sigdata, \$err,
undef, 0, $user, $pass, 30, 0, 1);
if ($err) {
if ($debug) {
print STDERR "Failed to download ${down}-sig.asc : $err\n";
}
next;
}
# Validate the file
($ok, $err) = &webmin::verify_data($sdata, $sigdata);
if ($ok > 1) {
if ($debug) {
print STDERR "GPG verification failed for $down : $err\n";
}
next;
}
}
# Run a Perl sanity check
$temp = &transname($down.".pl");
&open_tempfile(SCRIPT, ">$temp");
&print_tempfile(SCRIPT, $sdata);
&close_tempfile(SCRIPT);
$perl = &get_perl_path();
$out = &backquote_command("$perl -c $temp 2>&1");
if ($?) {
if ($debug) {
print STDERR "Perl verification of $down failed : $out\n";
}
next;
}
# Finally save into the right dir
$destdir = "$module_config_directory/latest-scripts";
if (!-d $destdir) {
&make_dir($destdir, 0755);
}
©_source_dest($temp, "$destdir/$down.pl");
if ($debug) {
print STDERR "Updated $down to latest version\n";
}
}
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