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Diff for /loncom/init.d/loncontrol between versions 1.33 and 1.34

version 1.33, 2008/11/04 21:06:31 version 1.34, 2009/02/02 17:06:55
Line 47 Line 47
 # Description:    Starts the LON-CAPA services  # Description:    Starts the LON-CAPA services
 ### END INIT INFO  ### END INIT INFO
   
   use strict;
   use lib '/home/httpd/lib/perl/';
   use LONCAPA::Configuration;
   
 $command=$ARGV[0]; $command=~s/[^a-z]//g;  my $command=$ARGV[0]; $command=~s/[^a-z]//g;
   
 $ENV{'PATH'}="/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin";  $ENV{'PATH'}="/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin";
 $ENV{'BASH_ENV'}="";  $ENV{'BASH_ENV'}="";
Line 59  $ENV{'BASH_ENV'}=""; Line 62  $ENV{'BASH_ENV'}="";
     my $iptables = '/sbin/iptables';      my $iptables = '/sbin/iptables';
     if (! -e $iptables) {      if (! -e $iptables) {
  $iptables = '/usr/sbin/iptables';   $iptables = '/usr/sbin/iptables';
  if (! -e $iptables) {   if (!-e $iptables) {
     print("Unable to find iptables command\n");      print("Unable to find iptables command\n");
  }   }
     }      }
     my $lond_port = 5663;      my $suse_config = "/etc/sysconfig/SuSEfirewall2";
       if (!-e $suse_config) {
           if (!-e '/etc/sysconfig/iptables') {
               print("Unable to find iptables file containing static definitions\n");
           }
       }
       my $lond_port = &get_lond_port();
       if (!$lond_port) {
           print("Unable to determine lond port number from LON-CAPA configuration.\n");
       }
   
 sub firewall_open_port {  sub firewall_open_port {
     return if (! &firewall_is_active);      return 'inactive firewall' if (! &firewall_is_active);
     if (! `$iptables -L -n 2>/dev/null | grep $fw_chain | wc -l`) { return; }      return 'port number unknown' if !$lond_port;
     # iptables is running with our chain      my @opened;
     #      my $suse_config = "/etc/sysconfig/SuSEfirewall2";
     # We could restrict the servers allowed to attempt to communicate      if (-e $suse_config) {
     # here, but the logistics of updating the /home/httpd/lonTabs/host.tab          if (open(my $fh,"<$suse_config")) {
     # file are likely to be a problem              while(<$fh>) {
                   chomp();
                   if (/^FW_SERVICES_EXT_TCP="([^"]+)"\s*$/) {
                       my $portstr = $1;
                       my @suseports = split(/\s+/,$portstr);
                       foreach my $port ($lond_port) {
                           if (grep/^\Q$port\E$/,@suseports) {
                               push(@opened,$port);
                           }
                       }
                   }
               }
           }
       } else {
           if (! `$iptables -L -n 2>/dev/null | grep $fw_chain | wc -l`) { 
               return 'chain error';
           }
           # iptables is running with our chain
           #
           # We could restrict the servers allowed to attempt to communicate
           # here, but the logistics of updating the /home/httpd/lonTabs/host.tab
           # file are likely to be a problem
           foreach my $port ($lond_port) {
               print "Opening firewall access on port $port.\n";
               my $result;
               my $firewall_command = 
                   "$iptables -I $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT";
               system($firewall_command);
               my $return_status = $?>>8;
               if ($return_status == 1) {
                   # Error
                   print "Error opening port.\n";
               } elsif ($return_status == 2) {
                   # Bad command
                   print "Bad command error opening port.  Command was\n".
                         "  ".$firewall_command."\n";
               } elsif ($return_status == 0) {
                   push(@opened,$port);
               }
           }
       }
     foreach my $port ($lond_port) {      foreach my $port ($lond_port) {
         print "Opening firewall access on port $port.\n";          if (!grep(/^\Q$port\E$/,@opened)) {
               return 'Required port not open: '.$port."\n";  
         my $firewall_command =   
             "$iptables -I $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT";  
         system($firewall_command);  
         my $return_status = $?>>8;  
         if ($return_status == 1) {  
             # Error  
             print "Error opening port.\n";  
         } elsif ($return_status == 2) {  
             # Bad command  
             print "Bad command error opening port.  Command was\n".  
                 "  ".$firewall_command."\n";  
         }          }
     }      }
           return 'ok';
 }  }
   
 sub firewall_is_port_open {  sub firewall_is_port_open {
       my ($port) = @_;
     # returns 1 if the firewall port is open, 0 if not.      # returns 1 if the firewall port is open, 0 if not.
     #      #
     # check if firewall is active or installed      # check if firewall is active or installed
Line 113  sub firewall_is_active { Line 155  sub firewall_is_active {
 }  }
   
 sub firewall_close_port {  sub firewall_close_port {
     return if (! &firewall_is_active);      return 'inactive firewall' if (! &firewall_is_active);
       return 'port number unknown' if !$lond_port;
       my $suse_config = "/etc/sysconfig/SuSEfirewall2";
       return if (-e $suse_config);
     foreach my $port ($lond_port) {      foreach my $port ($lond_port) {
         print "Closing firewall access on port $port.\n";          print "Closing firewall access on port $port\n";
         my $firewall_command =           my $firewall_command = 
             "$iptables -D $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT";              "$iptables -D $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT";
         system($firewall_command);          system($firewall_command);
Line 127  sub firewall_close_port { Line 172  sub firewall_close_port {
             # Bad command              # Bad command
             print "Bad command error closing port.  Command was\n".              print "Bad command error closing port.  Command was\n".
                 "  ".$firewall_command."\n";                  "  ".$firewall_command."\n";
           } else {
               print "Port closed.\n";
         }          }
     }      }
       return;
   }
   
   sub get_lond_port {
       my $perlvarref=&LONCAPA::Configuration::read_conf();
       my $lond_port;
       if (ref($perlvarref) eq 'HASH') {
           if (defined($perlvarref->{'londPort'})) {
               $lond_port = $perlvarref->{'londPort'};
           }
       }
       return $lond_port;
 }  }
   
 } # End firewall variable scope  } # End firewall variable scope
Line 172  sub stop_daemon { Line 231  sub stop_daemon {
   
 sub clean_sockets {  sub clean_sockets {
     opendir(SOCKETS,"/home/httpd/sockets/");      opendir(SOCKETS,"/home/httpd/sockets/");
       my $perlvarref=&LONCAPA::Configuration::read_conf();
       return if (ref($perlvarref) ne 'HASH');
     while (my $fname=readdir(SOCKETS)) {      while (my $fname=readdir(SOCKETS)) {
  next if (-d $fname   next if (-d $fname
  || $fname=~/(mysqlsock|maximasock|\Q$perlvar{'lonSockDir'}\E)/);   || $fname=~/(mysqlsock|maximasock|\Q$perlvarref->{'lonSockDir'}\E)/);
  unlink("/home/httpd/sockets/$fname");   unlink("/home/httpd/sockets/$fname");
     }      }
 }  }
Line 197  if ($command eq "restart") { Line 258  if ($command eq "restart") {
  if ($daemon eq 'lonc') { $killallname='loncnew'; }   if ($daemon eq 'lonc') { $killallname='loncnew'; }
  &stop_daemon($daemon,$killallname);   &stop_daemon($daemon,$killallname);
     }      }
     &firewall_close_port();      my $firewall_result = &firewall_close_port();
       if ($firewall_result) {
           print "$firewall_result\n";
       }
     &clean_sockets();      &clean_sockets();
 } elsif ($command eq "start") {  } elsif ($command eq "start") {
     &firewall_open_port();      my $firewall_result = &firewall_open_port();
     print 'Starting LON-CAPA'."\n";      if (($firewall_result eq 'ok') || ($firewall_result eq 'inactive firewall')) {
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.          if ($firewall_result eq 'inactive firewall') {
  "\n";               print "WARNING: iptables firewall is currently inactive\n";
     system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");          }
           print 'Starting LON-CAPA'."\n";
           print 'Starting LON-CAPA client and daemon processes (please be patient)'.
         "\n";
           system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
       } else {
           print "Not starting LON-CAPA\n";
           if ($firewall_result eq 'port number unknown') {
               print "Could not check for status of LON-CAPA port in running firewall - port number unknown.  \n";
           } elsif ($firewall_result) {
               print "$firewall_result\n";
           }
       }
 } elsif ($command eq "reload") {  } elsif ($command eq "reload") {
     print 'Reload LON-CAPA config files'."\n";      print 'Reload LON-CAPA config files'."\n";
     system("su www -c '/home/httpd/perl/loncron --justreload'");      system("su www -c '/home/httpd/perl/loncron --justreload'");
 } elsif ($command eq "status") {  } elsif ($command eq "status") {
     $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;      my $lond_port = &get_lond_port();
       my $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;
     if ($response=~/No such file or directory/) {      if ($response=~/No such file or directory/) {
  print 'LON-CAPA is not running.'."\n";   print 'LON-CAPA is not running.'."\n";
     } else {      } else {
Line 219  if ($command eq "restart") { Line 296  if ($command eq "restart") {
     if (! &firewall_is_active) {      if (! &firewall_is_active) {
         print 'The iptables firewall is not active'."\n";          print 'The iptables firewall is not active'."\n";
     }      }
     if (&firewall_is_port_open()) {      my $lond_port = &get_lond_port();
         print 'The LON-CAPA port is open in firewall.'."\n";      if ($lond_port) {
     } elsif (&firewall_is_active) {          if (&firewall_is_port_open($lond_port)) {
         print 'The LON-CAPA port is NOT open in running firewall!'."\n";              print "The LON-CAPA port ($lond_port) is open in firewall.\n";
           } elsif (&firewall_is_active) {
               print "The LON-CAPA port ($lond_port) is NOT open in running firewall!\n";
           }
       } else {
           if (&firewall_is_active) {
               print "Could not check for status of LON-CAPA port in running firewall - port number unknown.\n";
           } else {
               print "LON-CAPA port number is unknown, and firewall is not running.\n";
           }
     }      }
 } else {  } else {
     print 'You need to specify one of restart|stop|start|status on the command line.'."\n";      print "You need to specify one of restart|stop|start|status on the command line.\n";
 }  }
Removed from v.1.33  
changed lines
  Added in v.1.34

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