]> git.ipfire.org Git - people/pmueller/ipfire-2.x.git/blobdiff - html/cgi-bin/pakfire.cgi
suricata: Change midstream policy to "pass-flow"
[people/pmueller/ipfire-2.x.git] / html / cgi-bin / pakfire.cgi
index 143f123b7f71853905175421fe21c55cb73ea96f..42c603c6130d73547105ae4464b572510c9cc7db 100644 (file)
@@ -2,7 +2,7 @@
 ###############################################################################
 #                                                                             #
 # IPFire.org - A linux based firewall                                         #
-# Copyright (C) 2007-2011  Michael Tremer & Christian Schmidt                 #
+# Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
 #                                                                             #
 # This program is free software: you can redistribute it and/or modify        #
 # it under the terms of the GNU General Public License as published by        #
@@ -20,6 +20,8 @@
 ###############################################################################
 
 use strict;
+use List::Util qw(any);
+use URI;
 
 # enable only the following on debugging purpose
 #use warnings;
@@ -30,255 +32,428 @@ require "${General::swroot}/lang.pl";
 require "${General::swroot}/header.pl";
 require "/opt/pakfire/lib/functions.pl";
 
-my %pakfiresettings=();
+my %cgiparams=();
 my $errormessage = '';
 my %color = ();
+my %pakfiresettings = ();
 my %mainsettings = ();
 
-&Header::showhttpheaders();
+# The page mode is used to explictly switch between user interface functions:
+my $PM_DEFAULT = 'default'; # Default user interface with command processing
+my $PM_LOGREAD = 'logread'; # Log messages viewer (ignores all commands)
+my $pagemode = $PM_DEFAULT;
 
-$pakfiresettings{'ACTION'} = '';
-$pakfiresettings{'VALID'} = '';
+# Get Pakfire status
+my %pakfire_status = &Pakfire::status();
 
-$pakfiresettings{'INSPAKS'} = '';
-$pakfiresettings{'DELPAKS'} = '';
-$pakfiresettings{'AUTOUPDATE'} = 'off';
-$pakfiresettings{'HEALTHCHECK'} = 'on';
-$pakfiresettings{'UUID'} = 'on';
+# Load general settings
+&General::readhash("${General::swroot}/main/settings", \%mainsettings);
+&General::readhash("${General::swroot}/pakfire/settings", \%pakfiresettings);
+&General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color);
 
-sub refreshpage{&Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='1;'>" );print "<center><img src='/images/clock.gif' alt='' /><br/><font color='red'>$Lang::tr{'pagerefresh'}</font></center>";&Header::closebox();}
+# Get CGI POST request data
+$cgiparams{'ACTION'} = '';
+$cgiparams{'FORCE'} = '';
 
-&Header::getcgihash(\%pakfiresettings);
+$cgiparams{'INSPAKS'} = '';
+$cgiparams{'DELPAKS'} = '';
 
-&General::readhash("${General::swroot}/main/settings", \%mainsettings);
-&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
+&Header::getcgihash(\%cgiparams);
 
-&Header::openpage($Lang::tr{'pakfire configuration'}, 1);
-&Header::openbigbox('100%', 'left', '', $errormessage);
+# Get CGI GET request data (if available)
+if($ENV{'QUERY_STRING'}) {
+       my $uri = URI->new($ENV{'REQUEST_URI'});
+       my %query = $uri->query_form;
 
-if ($pakfiresettings{'ACTION'} eq 'install'){
-       $pakfiresettings{'INSPAKS'} =~ s/\|/\ /g;
-       if ("$pakfiresettings{'FORCE'}" eq "on") {
-               my $command = "/usr/local/bin/pakfire install --non-interactive --no-colors $pakfiresettings{'INSPAKS'} &>/dev/null &";
-               system("$command");
-               system("/bin/sleep 1");
-       } else {
-               &Header::openbox("100%", "center", $Lang::tr{'request'});
-       my @output = `/usr/local/bin/pakfire resolvedeps --no-colors $pakfiresettings{'INSPAKS'}`;
-               print <<END;
-               <table><tr><td colspan='2'>$Lang::tr{'pakfire install package'}.$pakfiresettings{'INSPAKS'}.$Lang::tr{'pakfire possible dependency'}
-               <pre>
-END
-               foreach (@output) {
-                 $_ =~ s/\\e\[[0-1]\;[0-9]+m//g;
-                       print "$_\n";
-               }
-               print <<END;
-               </pre>
-               <tr><td colspan='2'>$Lang::tr{'pakfire accept all'}
-               <tr><td colspan='2'>&nbsp;
-               <tr><td align='right'><form method='post' action='$ENV{'SCRIPT_NAME'}'>
-                                                       <input type='hidden' name='INSPAKS' value='$pakfiresettings{'INSPAKS'}' />
-                                                       <input type='hidden' name='FORCE' value='on' />
-                                                       <input type='hidden' name='ACTION' value='install' />
-                                                       <input type='image' alt='$Lang::tr{'install'}' title='$Lang::tr{'install'}' src='/images/go-next.png' />
-                                               </form>
-                               <td align='left'>
-                                               <form method='post' action='$ENV{'SCRIPT_NAME'}'>
-                                                       <input type='hidden' name='ACTION' value='' />
-                                                       <input type='image' alt='$Lang::tr{'abort'}' title='$Lang::tr{'abort'}' src='/images/dialog-error.png' />
-                                               </form>
-               </table>
-END
-               &Header::closebox();
-               &Header::closebigbox();
-               &Header::closepage();
-               exit;
+       my $mode = lc($query{'mode'} // '');
+       if(($mode eq $PM_DEFAULT) || ($mode eq $PM_LOGREAD)) {
+               $pagemode = $mode; # Limit to existing modes
        }
-} elsif ($pakfiresettings{'ACTION'} eq 'remove') {
-
-       $pakfiresettings{'DELPAKS'} =~ s/\|/\ /g;
-       if ("$pakfiresettings{'FORCE'}" eq "on") {
-               my $command = "/usr/local/bin/pakfire remove --non-interactive --no-colors $pakfiresettings{'DELPAKS'} &>/dev/null &";
-               system("$command");
-               system("/bin/sleep 1");
-       } else {
-               &Header::openbox("100%", "center", $Lang::tr{'request'});
-       my @output = `/usr/local/bin/pakfire resolvedeps --no-colors $pakfiresettings{'DELPAKS'}`;
-               print <<END;
-               <table><tr><td colspan='2'>$Lang::tr{'pakfire uninstall package'}.$pakfiresettings{'DELPAKS'}.$Lang::tr{'pakfire possible dependency'}
-               <pre>
-END
-               foreach (@output) {
-                 $_ =~ s/\\e\[[0-1]\;[0-9]+m//g;
-                       print "$_\n";
+}
+
+### Process AJAX/JSON request ###
+if($cgiparams{'ACTION'} eq 'json-getstatus') {
+       # Send HTTP headers
+       _start_json_output();
+
+       # Read /var/log/messages backwards until a "Pakfire started" header is found,
+       # to capture all messages of the last (i.e. current) Pakfire run
+       my @messages = `tac /var/log/messages 2>/dev/null | sed -n '/pakfire:/{p;/Pakfire.*started/q}'`;
+
+       # Test if the log contains an error message (fastest implementation, stops at first match)
+       my $failure = any{ index($_, 'ERROR') != -1 } @messages;
+
+       # Collect Pakfire status
+       my %status = (
+               'running' => &_is_pakfire_busy() || "0",
+               'running_since' => &General::age("$Pakfire::lockfile") || "0s",
+               'reboot' => ("$pakfire_status{'RebootRequired'}" eq "yes") || "0",
+               'failure' => $failure || "0"
+       );
+
+       # Start JSON file
+       print "{\n";
+
+       foreach my $key (keys %status) {
+               my $value = $status{$key};
+               print qq{\t"$key": "$value",\n};
+       }
+
+       # Print sanitized messages in reverse order to undo previous "tac"
+       print qq{\t"messages": [\n};
+       for my $index (reverse (0 .. $#messages)) {
+               my $line = $messages[$index];
+               $line =~ s/[[:cntrl:]<>&\\]+//g;
+
+               print qq{\t\t"$line"};
+               print ",\n" unless $index < 1;
+       }
+       print "\n\t]\n";
+
+       # Finalize JSON file & stop
+       print "}";
+       exit;
+}
+
+### Process Pakfire install/update commands ###
+if(($cgiparams{'ACTION'} ne '') && ($pagemode eq $PM_DEFAULT)) {
+       if(&_is_pakfire_busy()) {
+               $errormessage = $Lang::tr{'pakfire already busy'};
+               $pagemode = $PM_LOGREAD; # Running Pakfire instance found, switch to log viewer mode
+       } elsif(($cgiparams{'ACTION'} eq 'install') && ($cgiparams{'FORCE'} eq 'on')) {
+               my @pkgs = split(/\|/, $cgiparams{'INSPAKS'});
+               &General::system_background("/usr/local/bin/pakfire", "install", "--non-interactive", "--no-colors", @pkgs);
+               &_http_pagemode_redirect($PM_LOGREAD, 1);
+       } elsif(($cgiparams{'ACTION'} eq 'remove') && ($cgiparams{'FORCE'} eq 'on')) {
+               my @pkgs = split(/\|/, $cgiparams{'DELPAKS'});
+               &General::system_background("/usr/local/bin/pakfire", "remove", "--non-interactive", "--no-colors", @pkgs);
+               &_http_pagemode_redirect($PM_LOGREAD, 1);
+       } elsif($cgiparams{'ACTION'} eq 'update') {
+               &General::system_background("/usr/local/bin/pakfire", "update", "--force", "--no-colors");
+               &_http_pagemode_redirect($PM_LOGREAD, 1);
+       } elsif($cgiparams{'ACTION'} eq 'upgrade') {
+               &General::system_background("/usr/local/bin/pakfire", "upgrade", "-y", "--no-colors");
+               &_http_pagemode_redirect($PM_LOGREAD, 1);
+       } elsif($cgiparams{'ACTION'} eq $Lang::tr{'save'}) {
+               $pakfiresettings{"TREE"} = $cgiparams{"TREE"};
+
+               # Check for valid input
+               if ($pakfiresettings{"TREE"} !~ m/^(stable|testing|unstable)$/) {
+                       $errormessage .= $Lang::tr{'pakfire invalid tree'};
+               }
+
+               unless ($errormessage) {
+                       &General::writehash("${General::swroot}/pakfire/settings", \%pakfiresettings);
+
+                       # Update lists
+                       &General::system_background("/usr/local/bin/pakfire", "update", "--force", "--no-colors");
+                       &_http_pagemode_redirect($PM_LOGREAD, 1);
                }
-               print <<END;
-               </pre>
-               <tr><td colspan='2'>$Lang::tr{'pakfire accept all'}
-               <tr><td colspan='2'>&nbsp;
-               <tr><td align='right'><form method='post' action='$ENV{'SCRIPT_NAME'}'>
-                                                       <input type='hidden' name='DELPAKS' value='$pakfiresettings{'DELPAKS'}' />
-                                                       <input type='hidden' name='FORCE' value='on' />
-                                                       <input type='hidden' name='ACTION' value='remove' />
-                                                       <input type='image' alt='$Lang::tr{'uninstall'}' title='$Lang::tr{'uninstall'}' src='/images/go-next.png' />
-                                               </form>
-                               <td align='left'>
-                                               <form method='post' action='$ENV{'SCRIPT_NAME'}'>
-                                                       <input type='hidden' name='ACTION' value='' />
-                                                       <input type='image' alt='$Lang::tr{'abort'}' title='$Lang::tr{'abort'}' src='/images/dialog-error.png' />
-                                               </form>
-               </table>
-END
-               &Header::closebox();
-               &Header::closebigbox();
-               &Header::closepage();
-               exit;
        }
+}
 
-} elsif ($pakfiresettings{'ACTION'} eq 'update') {
+### Start pakfire page ###
+&Header::showhttpheaders();
 
-       system("/usr/local/bin/pakfire update --force --no-colors &>/dev/null &");
-       system("/bin/sleep 1");
-} elsif ($pakfiresettings{'ACTION'} eq 'upgrade') {
-       my $command = "/usr/local/bin/pakfire upgrade -y --no-colors &>/dev/null &";
-       system("$command");
-       system("/bin/sleep 1");
-} elsif ($pakfiresettings{'ACTION'} eq "$Lang::tr{'save'}") {
+###--- HTML HEAD ---###
+my $extraHead = <<END
+<style>
+       /* Main screen */
+       table#pfmain {
+               width: 100%;
+               border-style: hidden;
+               table-layout: fixed;
+       }
 
-       if ($pakfiresettings{'AUTOUPDATE'} eq 'on') {
-               system("/usr/local/bin/pakfire enable updates >/dev/null 2>&1");
-       } else {
-               system("/usr/local/bin/pakfire disable updates  >/dev/null 2>&1");
+       #pfmain td {
+               padding: 5px 20px 0;
+               text-align: center;
+       }
+       #pfmain tr:not(:last-child) > td {
+               padding-bottom: 1.5em;
+       }
+       #pfmain tr > td.heading {
+               padding: 0;
+               font-weight: bold;
+               background-color: $color{'color20'};
        }
 
-       &General::writehash("${General::swroot}/pakfire/settings", \%pakfiresettings);
-}
+       .pflist {
+               width: 100%;
+               text-align: left;
+               margin-bottom: 0.8em;
+       }
 
-&General::readhash("${General::swroot}/pakfire/settings", \%pakfiresettings);
+       /* Pakfire log viewer */
+       section#pflog-header {
+               width: 100%;
+               display: flex;
+               text-align: left;
+               align-items: center;
+               column-gap: 20px;
+       }
+       #pflog-header > div:last-child {
+               margin-left: auto;
+               margin-right: 20px;
+       }
+       #pflog-header span {
+               line-height: 1.3em;
+       }
+       #pflog-header span:empty::before {
+               content: "\\200b"; /* zero width space */
+       }
 
-my %selected=();
-my %checked=();
+       pre#pflog-messages {
+               margin-top: 0.7em;
+               padding-top: 0.7em;
+               border-top: 0.5px solid $Header::bordercolour;
+
+               text-align: left;
+               min-height: 15em;
+               overflow-x: auto;
+       }
+</style>
+
+<script src="/include/pakfire.js"></script>
+<script>
+       // Translations
+       pakfire.i18n.load({
+               'working': '$Lang::tr{'pakfire working'}',
+               'finished': '$Lang::tr{'pakfire finished'}',
+               'finished error': '$Lang::tr{'pakfire finished error'}',
+               'since': '$Lang::tr{'since'}',
+
+               'link_return': '<a href="$ENV{'SCRIPT_NAME'}">$Lang::tr{'pakfire return'}</a>',
+               'link_reboot': '<a href="/cgi-bin/shutdown.cgi">$Lang::tr{'needreboot'}</a>'
+       });
+
+       // AJAX auto refresh interval (in ms, default: 1000)
+       //pakfire.refreshInterval = 1000;
+
+       // Enable returning to main screen (delay in ms)
+       pakfire.setupPageReload(true, 3000);
+</script>
+END
+;
+###--- END HTML HEAD ---###
+
+&Header::openpage($Lang::tr{'pakfire configuration'}, 1, $extraHead);
+&Header::openbigbox('100%', 'left', '', $errormessage);
 
-$checked{'AUTOUPDATE'}{'off'} = '';
-$checked{'AUTOUPDATE'}{'on'} = '';
-$checked{'AUTOUPDATE'}{$pakfiresettings{'AUTOUPDATE'}} = "checked='checked'";
-$checked{'HEALTHCHECK'}{'off'} = '';
-$checked{'HEALTHCHECK'}{'on'} = '';
-$checked{'HEALTHCHECK'}{$pakfiresettings{'HEALTHCHECK'}} = "checked='checked'";
-$checked{'UUID'}{'off'} = '';
-$checked{'UUID'}{'on'} = '';
-$checked{'UUID'}{$pakfiresettings{'UUID'}} = "checked='checked'";
-
-# DPC move error message to top so it is seen!
+# Show error message
 if ($errormessage) {
        &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
        print "<font class='base'>$errormessage&nbsp;</font>\n";
        &Header::closebox();
 }
 
-my $return = `pidof pakfire`;
-chomp($return);
-if ($return) {
-       &Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" );
+# Show only log output while Pakfire is running and stop afterwards
+if(($pagemode eq $PM_LOGREAD) || (&_is_pakfire_busy())) {
+       &Header::openbox("100%", "center", "Pakfire");
+
+       print <<END
+<section id="pflog-header">
+       <div><img src="/images/indicator.gif" alt="$Lang::tr{'active'}" title="$Lang::tr{'pagerefresh'}"></div>
+       <div>
+               <span id="pflog-status">$Lang::tr{'pakfire working'}</span><br>
+               <span id="pflog-time"></span><br>
+               <span id="pflog-action"></span>
+       </div>
+       <div><a href="$ENV{'SCRIPT_NAME'}"><img src="/images/view-refresh.png" alt="$Lang::tr{'refresh'}" title="$Lang::tr{'refresh'}"></a></div>
+</section>
+
+<!-- Pakfire log messages -->
+<pre id="pflog-messages"></pre>
+<script>
+       // Start automatic log refresh
+       pakfire.running = true;
+</script>
+
+END
+;
+
+       &Header::closebox();
+       &Header::closebigbox();
+       &Header::closepage();
+       exit;
+}
+
+# Show Pakfire install/remove dependencies and confirm form
+# (_is_pakfire_busy status was checked before and can be omitted)
+if (($cgiparams{'ACTION'} eq 'install') && ($pagemode eq $PM_DEFAULT)) {
+       &Header::openbox("100%", "center", $Lang::tr{'request'});
+
+       my @pkgs = split(/\|/, $cgiparams{'INSPAKS'});
+       my @output = &General::system_output("/usr/local/bin/pakfire", "resolvedeps", "--no-colors", @pkgs);
        print <<END;
-       <table>
-               <tr><td>
-                               <img src='/images/indicator.gif' alt='$Lang::tr{'aktiv'}' title='$Lang::tr{'aktiv'}' />&nbsp;
-                       <td>
-                               $Lang::tr{'pakfire working'}
-               <tr><td colspan='2' align='center'>
-                       <form method='post' action='$ENV{'SCRIPT_NAME'}'>
-                               <input type='image' alt='$Lang::tr{'reload'}' title='$Lang::tr{'reload'}' src='/images/view-refresh.png' />
-                       </form>
-               <tr><td colspan='2' align='left'><code>
+       <table style="width: 100%"><tr><td colspan='2'><p>$Lang::tr{'pakfire install package'} <strong>@{pkgs}</strong><br>
+               $Lang::tr{'pakfire possible dependency'}</p>
+               <pre>
 END
-       my @output = `grep pakfire /var/log/messages | tail -20`;
        foreach (@output) {
-               print "$_<br>";
+               $_ =~ s/\\e\[[0-1]\;[0-9]+m//g;
+               print "$_\n";
        }
        print <<END;
-                       </code>
-               </table>
+               </pre></td></tr>
+               <tr><td colspan='2'>$Lang::tr{'pakfire accept all'}</td></tr>
+               <tr><td colspan='2'>&nbsp;</td></tr>
+               <tr><td align='right'><form method='post' action='$ENV{'SCRIPT_NAME'}'>
+                                       <input type='hidden' name='INSPAKS' value='$cgiparams{'INSPAKS'}' />
+                                       <input type='hidden' name='FORCE' value='on' />
+                                       <input type='hidden' name='ACTION' value='install' />
+                                       <input type='image' alt='$Lang::tr{'install'}' title='$Lang::tr{'install'}' src='/images/go-next.png' />
+                               </form>
+                       </td>
+                       <td align='left'>
+                               <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+                                       <input type='hidden' name='ACTION' value='' />
+                                       <input type='image' alt='$Lang::tr{'abort'}' title='$Lang::tr{'abort'}' src='/images/dialog-error.png' />
+                               </form>
+                       </td>
+               </tr>
+       </table>
+END
+       &Header::closebox();
+       &Header::closebigbox();
+       &Header::closepage();
+       exit;
+
+} elsif (($cgiparams{'ACTION'} eq 'remove') && ($pagemode eq $PM_DEFAULT)) {
+       &Header::openbox("100%", "center", $Lang::tr{'request'});
+
+       my @pkgs = split(/\|/, $cgiparams{'DELPAKS'});
+       my @output = &General::system_output("/usr/local/bin/pakfire", "resolvedeps", "--no-colors", @pkgs);
+       print <<END;
+       <table style="width: 100%"><tr><td colspan='2'><p>$Lang::tr{'pakfire uninstall package'} <strong>@{pkgs}</strong><br>
+               $Lang::tr{'pakfire possible dependency'}</p>
+               <pre>
+END
+       foreach (@output) {
+               $_ =~ s/\\e\[[0-1]\;[0-9]+m//g;
+               print "$_\n";
+       }
+       print <<END;
+               </pre></td></tr>
+               <tr><td colspan='2'>$Lang::tr{'pakfire uninstall all'}</td></tr>
+               <tr><td colspan='2'>&nbsp;</td></tr>
+               <tr><td align='right'><form method='post' action='$ENV{'SCRIPT_NAME'}'>
+                                       <input type='hidden' name='DELPAKS' value='$cgiparams{'DELPAKS'}' />
+                                       <input type='hidden' name='FORCE' value='on' />
+                                       <input type='hidden' name='ACTION' value='remove' />
+                                       <input type='image' alt='$Lang::tr{'uninstall'}' title='$Lang::tr{'uninstall'}' src='/images/go-next.png' />
+                               </form>
+                       </td>
+                       <td align='left'>
+                               <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+                                       <input type='hidden' name='ACTION' value='' />
+                                       <input type='image' alt='$Lang::tr{'abort'}' title='$Lang::tr{'abort'}' src='/images/dialog-error.png' />
+                               </form>
+                       </td>
+               </tr>
+       </table>
 END
        &Header::closebox();
        &Header::closebigbox();
        &Header::closepage();
        exit;
-       refreshpage();
 }
 
-my $core_release = `cat /opt/pakfire/db/core/mine 2>/dev/null`;
-chomp($core_release);
-my $core_update_age = &General::age("/opt/pakfire/db/core/mine");
-my $corelist_update_age = &General::age("/opt/pakfire/db/lists/core-list.db");
-my $server_update_age = &General::age("/opt/pakfire/db/lists/server-list.db");
-my $packages_update_age = &General::age("/opt/pakfire/db/lists/packages_list.db");
+# Show Pakfire main page
+my %selected=();
+my %checked=();
+
+$selected{"TREE"} = ();
+$selected{"TREE"}{"stable"} = "";
+$selected{"TREE"}{"testing"} = "";
+$selected{"TREE"}{"unstable"} = "";
+$selected{"TREE"}{$pakfiresettings{"TREE"}} = "selected";
 
 &Header::openbox("100%", "center", "Pakfire");
 
 print <<END;
-       <table width='95%' cellpadding='5' >
+       <table id="pfmain">
 END
-if ( -e "/var/run/need_reboot") {
-       print "<tr><td align='center' colspan='2'><font color='red'>$Lang::tr{'needreboot'}!</font></td></tr>";
-       print "<tr><td colspan='2'>&nbsp;</font></td></tr>"
+if ("$pakfire_status{'RebootRequired'}" eq "yes") {
+       print "\t\t<tr><td colspan='2'><a href='/cgi-bin/shutdown.cgi'>$Lang::tr{'needreboot'}!</a></td></tr>\n";
 }
+
 print <<END;
-               <tr><td width="50%" bgcolor='$color{'color20'}' align="center"><b>$Lang::tr{'pakfire system state'}:</b>
-                               <td width="50%">
-               <tr><td align="center">$Lang::tr{'pakfire core update level'}: $core_release<hr />
-                                       $Lang::tr{'pakfire last update'} $core_update_age $Lang::tr{'pakfire ago'}<br />
-                                       $Lang::tr{'pakfire last serverlist update'} $server_update_age $Lang::tr{'pakfire ago'}<br />
-                                       $Lang::tr{'pakfire last core list update'} $corelist_update_age $Lang::tr{'pakfire ago'}<br />
-                                       $Lang::tr{'pakfire last package update'} $packages_update_age $Lang::tr{'pakfire ago'}
-                                       <form method='post' action='$ENV{'SCRIPT_NAME'}'>
-                                               <input type='hidden' name='ACTION' value='update' />
-                                               <input type='submit' value='$Lang::tr{'calamaris refresh list'}' /><br />
-                                       </form>
-                               <td align="center">
-                                <form method='post' action='$ENV{'SCRIPT_NAME'}'>
-                                       <select name="UPDPAKS" size="5" disabled>
+               <tr><td class="heading">$Lang::tr{'pakfire system state'}:</td>
+                       <td class="heading">$Lang::tr{'available updates'}:</td></tr>
+
+               <tr><td><strong>$Lang::tr{'pakfire core update level'}: $pakfire_status{'Release'}</strong>
+                               <hr>
+                               <div class="pflist">
+                                       $Lang::tr{'pakfire last update'} $pakfire_status{'LastUpdate'} $Lang::tr{'pakfire ago'}<br>
+                                       $Lang::tr{'pakfire last serverlist update'} $pakfire_status{'LastServerListUpdate'} $Lang::tr{'pakfire ago'}<br>
+                                       $Lang::tr{'pakfire last core list update'} $pakfire_status{'LastCoreListUpdate'} $Lang::tr{'pakfire ago'}<br>
+                                       $Lang::tr{'pakfire last package update'} $pakfire_status{'LastPakListUpdate'} $Lang::tr{'pakfire ago'}
+                               </div>
+                               <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+                                       <input type='hidden' name='ACTION' value='update' />
+                                       <input type='submit' value='$Lang::tr{'calamaris refresh list'}' />
+                               </form>
+                       </td>
+                       <td>
+                               <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+                                       <select name="UPDPAKS" class="pflist" size="5" disabled>
 END
-                                               &Pakfire::dblist("upgrade", "forweb");
+
+       if ("$pakfire_status{'CoreUpdateAvailable'}" eq "yes") {
+               print "<option value=\"core\">$Lang::tr{'core update'} -- $pakfire_status{'CoreVersion'} -- $Lang::tr{'release'}: $pakfire_status{'Release'} -> $pakfire_status{'AvailableRelease'}</option>\n";
+       }
+
+       if ($pakfire_status{'PakUpdatesAvailable'} > 0) {
+               my %upgradelist = &Pakfire::dblist("upgrade");
+               foreach my $pak (sort keys %upgradelist) {
+                       print "<option value=\"$pak\">$Lang::tr{'pak update'}: $pak -- $Lang::tr{'version'}: $upgradelist{$pak}{'ProgVersion'} -> $upgradelist{$pak}{'AvailableProgVersion'} -- $Lang::tr{'release'}: $upgradelist{$pak}{'Release'} -> $upgradelist{$pak}{'AvailableRelease'}</option>\n";
+               }
+       }
+
        print <<END;
                                        </select>
-                                       <br />
                                        <input type='hidden' name='ACTION' value='upgrade' />
                                        <input type='image' alt='$Lang::tr{'upgrade'}' title='$Lang::tr{'upgrade'}' src='/images/document-save.png' />
                                 </form>
-
-               <tr><td colspan="2"><!-- Just an empty line -->&nbsp;
-               <tr><td bgcolor='$color{'color20'}' align="center"><b>$Lang::tr{'pakfire available addons'}</b>
-                               <td bgcolor='$color{'color20'}' align="center"><b>$Lang::tr{'pakfire installed addons'}</b>
-               <tr><td align="center">
-                       <p>$Lang::tr{'pakfire install description'}</p>
-                       <form method='post' action='$ENV{'SCRIPT_NAME'}'>
-                               <select name="INSPAKS" size="10" multiple>
+                       </td>
+               </tr>
+               <tr><td class="heading">$Lang::tr{'pakfire available addons'}</td>
+                       <td class="heading">$Lang::tr{'pakfire installed addons'}</td></tr>
+
+               <tr><td style="padding:5px 10px 20px 20px" align="center"><p>$Lang::tr{'pakfire install description'}</p>
+                               <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+                                       <select name="INSPAKS" class="pflist" size="10" multiple>
 END
-                       &Pakfire::dblist("notinstalled", "forweb");
 
-print <<END;
-                               </select>
-                               <br />
-                               <input type='hidden' name='ACTION' value='install' />
-                               <input type='image' alt='$Lang::tr{'install'}' title='$Lang::tr{'install'}' src='/images/list-add.png' />
-                       </form>
-
-               <td align="center">
-                       <p>$Lang::tr{'pakfire uninstall description'}</p>
-                <form method='post' action='$ENV{'SCRIPT_NAME'}'>
-                       <select name="DELPAKS" size="10" multiple>
+       my %notinstalledlist = &Pakfire::dblist("notinstalled");
+       foreach my $pak (sort keys %notinstalledlist) {
+               print "<option value=\"$pak\">$pak-$notinstalledlist{$pak}{'ProgVersion'}-$notinstalledlist{$pak}{'Release'}</option>\n";
+       }
+
+       print <<END;
+                                       </select>
+                                       <input type='hidden' name='ACTION' value='install' />
+                                       <input type='image' alt='$Lang::tr{'install'}' title='$Lang::tr{'install'}' src='/images/list-add.png' />
+                               </form>
+                       </td>
+                       <td style="padding:5px 10px 20px 20px" align="center"><p>$Lang::tr{'pakfire uninstall description'}</p>
+                               <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+                                       <select name="DELPAKS" class="pflist" size="10" multiple>
 END
 
-                       &Pakfire::dblist("installed", "forweb");
+       my %installedlist = &Pakfire::dblist("installed");
+       foreach my $pak (sort keys %installedlist) {
+               print "<option value=\"$pak\">$pak-$installedlist{$pak}{'ProgVersion'}-$installedlist{$pak}{'Release'}</option>\n";
+       }
 
-print <<END;
-                       </select>
-                       <br />
-                       <input type='hidden' name='ACTION' value='remove' />
-                       <input type='image' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' src='/images/list-remove.png' />
-               </form>
+       print <<END;
+                                       </select>
+                                       <input type='hidden' name='ACTION' value='remove' />
+                                       <input type='image' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' src='/images/list-remove.png' />
+                               </form>
+                       </td>
+               </tr>
        </table>
 END
 
@@ -286,19 +461,26 @@ END
 &Header::openbox("100%", "center", "$Lang::tr{'settings'}");
 
 print <<END;
-       <form method='post' action='$ENV{'SCRIPT_NAME'}'>
+       <form method='POST' action='$ENV{'SCRIPT_NAME'}'>
                <table width='95%'>
-                       <tr><td colspan='2' bgcolor='$color{'color20'}'><b>$Lang::tr{'basic options'}</b></td></tr>
-                       <tr><td align='left' width='45%'>$Lang::tr{'pakfire update daily'}</td><td width="55%" align="left">
-          on <input type='radio' name='AUTOUPDATE' value='on' $checked{'AUTOUPDATE'}{'on'} /> |
-          <input type='radio' name='AUTOUPDATE' value='off' $checked{'AUTOUPDATE'}{'off'} /> off </td></tr>
-                       <tr><td align='left' width='45%'>$Lang::tr{'pakfire health check'}</td><td align="left">
-          on <input type='radio' name='HEALTHCHECK' value='on' $checked{'HEALTHCHECK'}{'on'} /> |
-          <input type='radio' name='HEALTHCHECK' value='off' $checked{'HEALTHCHECK'}{'off'} /> off </td></tr>          
-                       <tr><td align='left' width='45%'>$Lang::tr{'pakfire register'}</td><td align="left">
-          on <input type='radio' name='UUID' value='on' $checked{'UUID'}{'on'} /> |
-          <input type='radio' name='UUID' value='off' $checked{'UUID'}{'off'} /> off </td></tr>
-                       <tr><td colspan="2" align="center"><input type="submit" name="ACTION" value="$Lang::tr{'save'}" /></td></tr>
+                       <tr>
+                               <td align='left' width='45%'>$Lang::tr{'pakfire tree'}</td>
+                               <td width="55%" align="left">
+                                       <select name="TREE">
+                                               <option value="stable" $selected{"TREE"}{"stable"}>$Lang::tr{'pakfire tree stable'}</option>
+                                               <option value="testing" $selected{"TREE"}{"testing"}>$Lang::tr{'pakfire tree testing'}</option>
+                                               <option value="unstable" $selected{"TREE"}{"unstable"}>$Lang::tr{'pakfire tree unstable'}</option>
+                                       </select>
+                               </td>
+                       </tr>
+                       <tr>
+                               <td colspan="2">&nbsp;</td>
+                       </tr>
+                       <tr>
+                               <td colspan="2" align="center">
+                                       <input type="submit" name="ACTION" value="$Lang::tr{'save'}" />
+                               </td>
+                       </tr>
                </table>
        </form>
 END
@@ -306,3 +488,52 @@ END
 &Header::closebox();
 &Header::closebigbox();
 &Header::closepage();
+
+###--- Internal functions ---###
+
+# Check if pakfire is already running (extend test here if necessary)
+sub _is_pakfire_busy {
+       # Return immediately if lockfile is present
+       if(-e "$Pakfire::lockfile") {
+               return 1;
+       }
+
+       # Check if a PID of a running pakfire instance is found
+       # (The system backpipe command is safe, because no user input is computed.)
+       my $pakfire_pid = `pidof -s /usr/local/bin/pakfire`;
+       chomp($pakfire_pid);
+
+       if($pakfire_pid) {
+               return 1;
+       }
+
+       # Pakfire isn't running
+       return 0;
+}
+
+# Send HTTP headers
+sub _start_json_output {
+       print "Cache-Control: no-cache, no-store\n";
+       print "Content-Type: application/json\n";
+       print "\n"; # End of HTTP headers
+}
+
+# Send HTTP 303 redirect headers to change page mode
+# GET is always used to display the redirected page, which will remove already processed POST form data.
+# Note: Custom headers must be sent before the HTML output is started by &Header::showhttpheaders().
+# If switch_mode is set to true, the global page mode variable ("$pagemode") is also updated immediately.
+sub _http_pagemode_redirect {
+       my ($mode, $switch_mode) = @_;
+       $mode //= $PM_DEFAULT;
+       $switch_mode //= 0;
+
+       # Send HTTP redirect with GET parameter
+       my $location = "https://$ENV{'SERVER_NAME'}:$ENV{'SERVER_PORT'}$ENV{'SCRIPT_NAME'}?mode=${mode}";
+       print "Status: 303 See Other\n";
+       print "Location: $location\n";
+
+       # Change global page mode
+       if($switch_mode) {
+               $pagemode = $mode;
+       }
+}