html/cgi-bin/remote.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2014  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 use strict;
  23
  24 # enable only the following on debugging purpose
  25 #use warnings;
  26 #use CGI::Carp 'fatalsToBrowser';
  27
  28 require '/var/ipfire/general-functions.pl';
  29 require "${General::swroot}/lang.pl";
  30 require "${General::swroot}/header.pl";
  31
  32 my %remotesettings=();
  33 my %checked=();
  34 my $errormessage='';
  35 my $counter = 0;
  36
  37 &Header::showhttpheaders();
  38
  39 $remotesettings{'ENABLE_SSH'} = 'off';
  40 $remotesettings{'ENABLE_SSH_PORTFW'} = 'off';
  41 $remotesettings{'ACTION'} = '';
  42 &Header::getcgihash(\%remotesettings);
  43
  44 if ( (($remotesettings{'ACTION'} eq $Lang::tr{'save'}) || ($remotesettings{'ACTION'} eq $Lang::tr{'ssh tempstart15'}) || ($remotesettings{'ACTION'} eq $Lang::tr{'ssh tempstart30'})) && $remotesettings{'ACTION'} ne "" )
  45 {
  46         # not existing here indicates the box is unticked
  47         $remotesettings{'ENABLE_SSH_PASSWORDS'} = 'off' unless exists $remotesettings{'ENABLE_SSH_PASSWORDS'};
  48         $remotesettings{'ENABLE_SSH_KEYS'} = 'off' unless exists $remotesettings{'ENABLE_SSH_KEYS'};
  49
  50
  51         &General::writehash("${General::swroot}/remote/settings", \%remotesettings);
  52         if ($remotesettings{'ENABLE_SSH'} eq 'on')
  53         {
  54                 &General::log($Lang::tr{'ssh is enabled'});
  55                 if  ($remotesettings{'ENABLE_SSH_PASSWORDS'} eq 'off'
  56                  and $remotesettings{'ENABLE_SSH_KEYS'}      eq 'off')
  57                 {
  58                         $errormessage = $Lang::tr{'ssh no auth'};
  59                 }
  60                 system ('/usr/bin/touch', "${General::swroot}/remote/enablessh");
  61         }
  62         else
  63         {
  64                 &General::log($Lang::tr{'ssh is disabled'});
  65                 unlink "${General::swroot}/remote/enablessh";
  66         }
  67
  68         if ($remotesettings{'SSH_PORT'} eq 'on')
  69         {
  70                 &General::log("SSH Port 22");
  71         }
  72         else
  73         {
  74                 &General::log("SSH Port 222");
  75         }
  76
  77 if ( $remotesettings{'ACTION'} eq $Lang::tr{'ssh tempstart15'} || $remotesettings{'ACTION'} eq $Lang::tr{'ssh tempstart30'} ){
  78         if ($remotesettings{'ENABLE_SSH'} eq 'off')
  79         {
  80                         system ('/usr/bin/touch', "${General::swroot}/remote/enablessh");
  81                         system('/usr/local/bin/sshctrl');
  82         }
  83   if ( $remotesettings{'ACTION'} eq $Lang::tr{'ssh tempstart15'} ) { $counter = 900;}
  84   elsif ( $remotesettings{'ACTION'} eq $Lang::tr{'ssh tempstart30'} ) { $counter = 1800;}
  85
  86   system("/usr/local/bin/sshctrl tempstart $counter >/dev/null");
  87  }
  88 else {
  89         system('/usr/local/bin/sshctrl') == 0
  90                 or $errormessage = "$Lang::tr{'bad return code'} " . $?/256;
  91  }
  92 }
  93
  94 &General::readhash("${General::swroot}/remote/settings", \%remotesettings);
  95
  96 # not existing here means they're undefined and the default value should be
  97 # used
  98         $remotesettings{'ENABLE_SSH_PASSWORDS'} = 'on' unless exists $remotesettings{'ENABLE_SSH_PASSWORDS'};
  99         $remotesettings{'ENABLE_SSH_KEYS'} = 'on' unless exists $remotesettings{'ENABLE_SSH_KEYS'};
 100
 101 $checked{'ENABLE_SSH'}{'off'} = '';
 102 $checked{'ENABLE_SSH'}{'on'} = '';
 103 $checked{'ENABLE_SSH'}{$remotesettings{'ENABLE_SSH'}} = "checked='checked'";
 104 $checked{'ENABLE_SSH_PORTFW'}{'off'} = '';
 105 $checked{'ENABLE_SSH_PORTFW'}{'on'} = '';
 106 $checked{'ENABLE_SSH_PORTFW'}{$remotesettings{'ENABLE_SSH_PORTFW'}} = "checked='checked'";
 107 $checked{'ENABLE_SSH_PASSWORDS'}{'off'} = '';
 108 $checked{'ENABLE_SSH_PASSWORDS'}{'on'} = '';
 109 $checked{'ENABLE_SSH_PASSWORDS'}{$remotesettings{'ENABLE_SSH_PASSWORDS'}} = "checked='checked'";
 110 $checked{'ENABLE_SSH_KEYS'}{'off'} = '';
 111 $checked{'ENABLE_SSH_KEYS'}{'on'} = '';
 112 $checked{'ENABLE_SSH_KEYS'}{$remotesettings{'ENABLE_SSH_KEYS'}} = "checked='checked'";
 113 $checked{'SSH_PORT'}{'off'} = '';
 114 $checked{'SSH_PORT'}{'on'} = '';
 115 $checked{'SSH_PORT'}{$remotesettings{'SSH_PORT'}} = "checked='checked'";
 116
 117 &Header::openpage($Lang::tr{'remote access'}, 1, '');
 118
 119 &Header::openbigbox('100%', 'left', '', $errormessage);
 120
 121 if ($errormessage) {
 122         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 123         print "<font class='base'>$errormessage&nbsp;</font>\n";
 124         &Header::closebox();
 125 }
 126
 127 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>\n";
 128
 129 &Header::openbox('100%', 'left', $Lang::tr{'ssh'});
 130 print <<END
 131 <table width='100%'>
 132 <tr>
 133         <td><input type='checkbox' name='ENABLE_SSH' $checked{'ENABLE_SSH'}{'on'} /></td>
 134         <td class='base' colspan='2'>$Lang::tr{'ssh access'}</td>
 135 </tr>
 136 <tr>
 137         <td>&nbsp;</td>
 138         <td><input type='checkbox' name='ENABLE_SSH_PORTFW' $checked{'ENABLE_SSH_PORTFW'}{'on'} /></td>
 139         <td width='100%' class='base'>$Lang::tr{'ssh portfw'}</td>
 140 </tr>
 141 <tr>
 142         <td>&nbsp;</td>
 143         <td><input type='checkbox' name='ENABLE_SSH_PASSWORDS' $checked{'ENABLE_SSH_PASSWORDS'}{'on'} /></td>
 144         <td width='100%' class='base'>$Lang::tr{'ssh passwords'}</td>
 145 </tr>
 146 <tr>
 147         <td>&nbsp;</td>
 148         <td><input type='checkbox' name='ENABLE_SSH_KEYS' $checked{'ENABLE_SSH_KEYS'}{'on'} /></td>
 149         <td width='100%' class='base'>$Lang::tr{'ssh keys'}</td>
 150 </tr>
 151 <tr>
 152         <td>&nbsp;</td>
 153         <td><input type='checkbox' name='SSH_PORT' $checked{'SSH_PORT'}{'on'} /></td>
 154         <td width='100%' class='base'>$Lang::tr{'ssh port'}</td>
 155 </tr>
 156 <tr>
 157         <td align='right' colspan='3'>
 158         <input type='submit' name='ACTION' value='$Lang::tr{'ssh tempstart15'}' />
 159         <input type='submit' name='ACTION' value='$Lang::tr{'ssh tempstart30'}' />
 160         <input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
 161 </tr>
 162 </table>
 163 END
 164 ;
 165 &Header::closebox();
 166
 167 print "</form>\n";
 168
 169 &Header::openbox('100%', 'left', $Lang::tr{'ssh host keys'});
 170
 171 print "<table>\n";
 172
 173 print <<END
 174 <tr><td class='boldbase'><b>$Lang::tr{'ssh key'}</b></td>
 175     <td class='boldbase'><b>$Lang::tr{'ssh fingerprint'}</b></td>
 176     <td class='boldbase'><b>$Lang::tr{'ssh key size'}</b></td></tr>
 177 END
 178 ;
 179
 180 &viewkey("/etc/ssh/ssh_host_key.pub","RSA1");
 181 &viewkey("/etc/ssh/ssh_host_rsa_key.pub","RSA2");
 182 &viewkey("/etc/ssh/ssh_host_dsa_key.pub","DSA");
 183 &viewkey("/etc/ssh/ssh_host_ecdsa_key.pub","ECDSA");
 184 &viewkey("/etc/ssh/ssh_host_ed25519_key.pub","ED25519");
 185
 186 print "</table>\n";
 187
 188 &Header::closebox();
 189
 190 &Header::closebigbox();
 191
 192 &Header::closepage();
 193
 194
 195 sub viewkey
 196 {
 197   my $key = $_[0];
 198   my $name = $_[1];
 199
 200   if ( -e $key )
 201   {
 202     my @temp = split(/ /,`/usr/bin/ssh-keygen -l -f $key`);
 203     my $keysize = &Header::cleanhtml($temp[0],"y");
 204     my $fingerprint = &Header::cleanhtml($temp[1],"y");
 205     print "<tr><td>$key ($name)</td><td><code>$fingerprint</code></td><td align='center'>$keysize</td></tr>\n";
 206   }
 207 }