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Diff for /loncom/init.d/loncontrol between versions 1.34.2.1 and 1.40

version 1.34.2.1, 2010/01/13 19:26:54 version 1.40, 2010/04/17 16:54:24
Line 32 Line 32
 # chkconfig: 345 95 5  # chkconfig: 345 95 5
 # description: LON-CAPA is a "network of knowledge".  It is used to \  # description: LON-CAPA is a "network of knowledge".  It is used to \
 # distribute knowledge resources and instructional management.  # distribute knowledge resources and instructional management.
 # processnames: lonc, lond, lonsql, lonmaxima  # processnames: lonc, lond, lonsql, lonmaxima, lonr
 # pidfiles: /home/httpd/perl/logs/lon*.pid  # pidfiles: /home/httpd/perl/logs/lon*.pid
 # config: /etc/httpd/conf/loncapa.conf  # config: /etc/httpd/conf/loncapa.conf
 # config: /home/httpd/lonTabs/hosts.tab  # config: /home/httpd/lonTabs/hosts.tab
Line 40 Line 40
 # SuSE chkconfig/insserv info  # SuSE chkconfig/insserv info
 ### BEGIN INIT INFO  ### BEGIN INIT INFO
 # Provides:       loncapa  # Provides:       loncapa
 # Required-Start: mysql apache2 $network $remote_fs  # Required-Start: SuSEfirewall2_setup mysql apache2 $network $remote_fs
   # Should-Start:   $ALL
 # Required-Stop:  # Required-Stop:
 # Default-Start:  3 4 5  # Default-Start:  3 4 5
 # Default-Stop:  # Default-Stop:
Line 50 Line 51
 use strict;  use strict;
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
 use LONCAPA::Configuration;  use LONCAPA::Configuration;
   use LONCAPA::Firewall;
   use Apache::lonnet;
   
 my $command=$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'}="";
   
 { # Firewall variable scoping  
     # Firewall code is based on the code in FC2 /etc/init.d/ntpd  
     my $fw_chain = 'RH-Firewall-1-INPUT';  
     my $iptables = '/sbin/iptables';  
     if (! -e $iptables) {  
  $iptables = '/usr/sbin/iptables';  
  if (!-e $iptables) {  
     print("Unable to find iptables command\n");  
  }  
     }  
     my $suse_config = "/etc/sysconfig/SuSEfirewall2";  
     if (-e $suse_config) {  
         $fw_chain = 'input_ext';  
     } else {  
         if (!-e '/etc/sysconfig/iptables') {  
             print("Unable to find iptables file containing static definitions\n");  
         }  
     }  
     if (-e $iptables) {  
         my $count = `$iptables -L -n 2>/dev/null |grep $fw_chain |wc -l`;  
         chomp($count);  
         if (!$count) {  
             $fw_chain ='INPUT';  
         }  
     }  
     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 {  
     return 'inactive firewall' if (! &firewall_is_active);  
     return 'port number unknown' if !$lond_port;  
     my @opened;  
     my $suse_config = "/etc/sysconfig/SuSEfirewall2";  
     if (-e $suse_config) {  
         if (open(my $fh,"<$suse_config")) {  
             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) {  
         if (!grep(/^\Q$port\E$/,@opened)) {  
             return 'Required port not open: '.$port."\n";    
         }  
     }  
     return 'ok';  
 }  
   
 sub firewall_is_port_open {  
     my ($port) = @_;  
     # returns 1 if the firewall port is open, 0 if not.  
     #  
     # check if firewall is active or installed  
     return if (! &firewall_is_active);  
     if (`$iptables -L -n 2>/dev/null | grep "tcp dpt:$port"`) {   
         return 1;  
     } else {  
         return 0;  
     }  
 }  
   
 sub firewall_is_active {  
     if (-e '/proc/net/ip_tables_names') {  
         return 1;  
     } else {  
         return 0;  
     }  
 }  
   
 sub firewall_close_port {  
     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) {  
         print "Closing firewall access on port $port\n";  
         my $firewall_command =   
             "$iptables -D $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 closing port.\n";  
         } elsif ($return_status == 2) {  
             # Bad command  
             print "Bad command error closing port.  Command was\n".  
                 "  ".$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  
   
 sub stop_daemon {  sub stop_daemon {
     my ($daemon,$killallname)=@_;      my ($daemon,$killallname)=@_;
     my $pidfile="/home/httpd/perl/logs/$daemon.pid";      my $pidfile="/home/httpd/perl/logs/$daemon.pid";
Line 252  sub clean_sockets { Line 110  sub clean_sockets {
 if ($command eq "restart") {  if ($command eq "restart") {
     print 'Restarting LON-CAPA'."\n";      print 'Restarting LON-CAPA'."\n";
     print 'Ending LON-CAPA client and daemon processes'."\n";      print 'Ending LON-CAPA client and daemon processes'."\n";
     foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima') {      foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') {
  my $killallname=$daemon;   my $killallname=$daemon;
  if ($daemon eq 'lonc') { $killallname='loncnew'; }   if ($daemon eq 'lonc') { $killallname='loncnew'; }
  &stop_daemon($daemon,$killallname);   &stop_daemon($daemon,$killallname);
Line 260  if ($command eq "restart") { Line 118  if ($command eq "restart") {
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.      print 'Starting LON-CAPA client and daemon processes (please be patient)'.
  "\n";   "\n";
     system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");      system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
 } elsif ($command eq "stop") {  } elsif (($command eq "stop") || ($command eq 'start') || ($command eq 'status')) {
     print 'Stopping LON-CAPA'."\n";      my $iptables = &LONCAPA::Firewall::get_pathto_iptables();
     foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima') {      my @fw_chains = &LONCAPA::Firewall::get_fw_chains($iptables);
  my $killallname=$daemon;      my $lond_port = &LONCAPA::Firewall::get_lond_port();
  if ($daemon eq 'lonc') { $killallname='loncnew'; }      my %iphost = &Apache::lonnet::get_iphost();
  &stop_daemon($daemon,$killallname);      if ($command eq 'stop') {
     }          print 'Stopping LON-CAPA'."\n";
     my $firewall_result = &firewall_close_port();          foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') {
     if ($firewall_result) {      my $killallname=$daemon;
         print "$firewall_result\n";      if ($daemon eq 'lonc') { $killallname='loncnew'; }
     }      &stop_daemon($daemon,$killallname);
     &clean_sockets();          }
 } elsif ($command eq "start") {          my $firewall_result = 
     my $firewall_result = &firewall_open_port();              &LONCAPA::Firewall::firewall_close_port($iptables,\@fw_chains,$lond_port,[$lond_port]);
     if (($firewall_result eq 'ok') || ($firewall_result eq 'inactive firewall')) {          if ($firewall_result) {
         if ($firewall_result eq 'inactive firewall') {  
             print "WARNING: iptables firewall is currently inactive\n";  
         }  
         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 "$firewall_result\n";              print "$firewall_result\n";
         }          }
     }          &clean_sockets();
 } elsif ($command eq "reload") {      } elsif ($command eq "start") {
     print 'Reload LON-CAPA config files'."\n";          my $firewall_result = 
     system("su www -c '/home/httpd/perl/loncron --justreload'");              &LONCAPA::Firewall::firewall_open_port($iptables,\@fw_chains,$lond_port,\%iphost,[$lond_port]);
 } elsif ($command eq "status") {          if (($firewall_result eq 'ok') || ($firewall_result eq 'inactive firewall')) {
     my $lond_port = &get_lond_port();              if ($firewall_result eq 'inactive firewall') {
     my $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;                  print "WARNING: iptables firewall is currently inactive\n";
     if ($response=~/No such file or directory/) {              }
  print 'LON-CAPA is not running.'."\n";              print 'Starting LON-CAPA'."\n";
     } else {              print 'Starting LON-CAPA client and daemon processes (please be patient)'.
  print 'LON-CAPA is running.'."\n";            "\n";
  system("su www -c '/home/httpd/perl/loncron --justcheckconnections'");              system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
     }          } else {
     if (! &firewall_is_active) {              print "Not starting LON-CAPA\n";
         print 'The iptables firewall is not active'."\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";
     my $lond_port = &get_lond_port();              } elsif ($firewall_result) {
     if ($lond_port) {                  print "$firewall_result\n";
         if (&firewall_is_port_open($lond_port)) {              }
             print "The LON-CAPA port ($lond_port) is open in firewall.\n";  
         } elsif (&firewall_is_active) {  
             print "The LON-CAPA port ($lond_port) is NOT open in running firewall!\n";  
         }          }
     } else {      } elsif ($command eq "status") {
         if (&firewall_is_active) {          my $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;
             print "Could not check for status of LON-CAPA port in running firewall - port number unknown.\n";          if ($response=~/No such file or directory/) {
       print 'LON-CAPA is not running.'."\n";
           } else {
       print 'LON-CAPA is running.'."\n";
       system("su www -c '/home/httpd/perl/loncron --justcheckconnections'");
           }
           if (! &LONCAPA::Firewall::firewall_is_active()) {
               print 'The iptables firewall is not active'."\n";
           }
           if ($lond_port) {
               my $londopen;
               foreach my $fw_chain (@fw_chains) { 
                   my $numopen = &LONCAPA::Firewall::firewall_is_port_open($iptables,$fw_chain,$lond_port,$lond_port,\%iphost);
                   $londopen += $numopen; 
               }
               if ($londopen) {
                   print "The LON-CAPA port ($lond_port) is open in firewall.\n";
               } elsif (&LONCAPA::Firewall::firewall_is_active) {
                   print "The LON-CAPA port ($lond_port) is NOT open in running firewall!\n";
               }
         } else {          } else {
             print "LON-CAPA port number is unknown, and firewall is not running.\n";              if (&LONCAPA::Firewall::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";
               }
         }          }
     }      }
   } elsif ($command eq "reload") {
       print 'Reload LON-CAPA config files'."\n";
       system("su www -c '/home/httpd/perl/loncron --justreload'");
 } 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 reload|restart|stop|start|status on the command line.\n";
 }  }
Removed from v.1.34.2.1  
changed lines
  Added in v.1.40

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