[1/2] display active logins at remote.cgi
Commit Message
Display active user logins (both local and remote) at
the remote.cgi page in the WebUI. This might be useful
for debugging broken SSH sessions or simply checking that
nobody is currently logged in. :-)
Signed-off-by: Peter Müller <peter.mueller@link38.eu>
---
html/cgi-bin/remote.cgi | 91 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 91 insertions(+)
@@ -25,15 +25,23 @@ use strict;
#use warnings;
#use CGI::Carp 'fatalsToBrowser';
+use IO::Socket;
+
require '/var/ipfire/general-functions.pl';
+require "${General::swroot}/geoip-functions.pl";
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";
+my %color = ();
+my %mainsettings = ();
my %remotesettings=();
my %checked=();
my $errormessage='';
my $counter = 0;
+&General::readhash("${General::swroot}/main/settings", \%mainsettings);
+&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
+
&Header::showhttpheaders();
$remotesettings{'ENABLE_SSH'} = 'off';
@@ -187,6 +195,38 @@ print "</table>\n";
&Header::closebox();
+&Header::openbox('100%', 'center', $Lang::tr{'ssh active sesstions'});
+
+print <<END;
+ <table class="tbl" width='66%'>
+ <thead>
+ <tr>
+ <th align="center">
+ <strong>$Lang::tr{'ssh username'}</strong>
+ </th>
+ <th align="center">
+ <strong>$Lang::tr{'ssh login time'}</strong>
+ </th>
+ <th align="center">
+ <strong>$Lang::tr{'ip address'}</strong>
+ </th>
+ <th align="center">
+ <strong>$Lang::tr{'country'}</strong>
+ </th>
+ <th align="center">
+ <strong>$Lang::tr{'rdns'}</strong>
+ </th>
+ </tr>
+ </thead>
+ <tbody>
+END
+
+&printactivelogins();
+
+print "</tbody>\n</table>\n";
+
+&Header::closebox();
+
&Header::closebigbox();
&Header::closepage();
@@ -205,3 +245,54 @@ sub viewkey
print "<tr><td>$key ($name)</td><td><code>$fingerprint</code></td><td align='center'>$keysize</td></tr>\n";
}
}
+
+sub printactivelogins()
+{
+ # print active SSH logins (grep outpout of "who -s")
+ my $command = "who -s";
+ my @output = `$command`;
+ chomp(@output);
+
+ my $id = 0;
+
+ if ( scalar(@output) == 0 )
+ {
+ # no logins appeared
+ my $table_colour = ($id++ % 2) ? $color{'color22'} : $color{'color20'};
+ print "<tr bgcolor='$table_colour'><td colspan='5'>$Lang::tr{'ssh no active logins'}</td></tr>\n";
+ } else {
+ # list active logins...
+
+ foreach my $line (@output)
+ {
+ my @arry = split(/\ +/, $line);
+
+ my $username = @arry[0];
+ my $logintime = join(' ', @arry[2..4]);
+ my $remoteip = @arry[5];
+ $remoteip =~ s/[()]//g;
+
+ # display more information about that IP adress...
+ my $ccode = &GeoIP::lookup($remoteip);
+ my $flag_icon = &GeoIP::get_flag_icon($ccode);
+
+ # get rDNS...
+ my $iaddr = inet_aton($remoteip);
+ my $rdns = gethostbyaddr($iaddr, AF_INET);
+ if (!$rdns) { $rdns = $Lang::tr{'lookup failed'}; };
+
+ my $table_colour = ($id++ % 2) ? $color{'color22'} : $color{'color20'};
+
+ print <<END;
+ <tr bgcolor='$table_colour'>
+ <td>$username</td>
+ <td>$logintime</td>
+ <td>$remoteip</td>
+ <td align='center'><a href='country.cgi#$ccode'><img src='$flag_icon' border='0' alt='$ccode' title='$ccode' /></a></td>
+ <td>$rdns</td>
+ </tr>
+END
+;
+ }
+ }
+}