version 1.22, 2004/12/02 21:16:56
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version 1.44, 2015/09/20 18:31:33
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#!/usr/bin/perl |
#!/usr/bin/perl |
# |
# |
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# $Id$ |
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# |
# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# |
# |
# Copyright Michigan State University Board of Trustees |
# Copyright Michigan State University Board of Trustees |
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# 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 |
# 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 |
# config: /home/httpd/lonTabs/spare.tab |
# config: /home/httpd/lonTabs/spare.tab |
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# SuSE chkconfig/insserv info |
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### BEGIN INIT INFO |
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# Provides: loncapa |
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# Required-Start: SuSEfirewall2_setup mysql apache2 $network $remote_fs |
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# Should-Start: $ALL |
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# Required-Stop: |
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# Default-Start: 3 5 |
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# Default-Stop: |
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# Description: Starts the LON-CAPA services |
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### END INIT INFO |
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use strict; |
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use lib '/home/httpd/lib/perl/'; |
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use LONCAPA::Configuration; |
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use LONCAPA::Firewall; |
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use Apache::lonnet; |
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$command=$ARGV[0]; $command=~s/[^a-z]//g; |
my $command=$ARGV[0]; $command=~s/[^a-z]//g; |
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$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'}=""; |
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{ # Firewall variable scoping |
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# Firewall code is based on the code in FC2 /etc/init.d/ntpd |
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my $fw_chain = 'RH-Firewall-1-INPUT'; |
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my $iptables = '/sbin/iptables'; |
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my $lond_port = 5663; |
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my $lonhttpd_port = 8080; |
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sub firewall_open_port { |
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return if (! &firewall_is_active); |
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if (! `$iptables -L -n 2>/dev/null | grep $fw_chain | wc -l`) { return; } |
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# iptables is running with our chain |
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# |
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# We could restrict the servers allowed to attempt to communicate |
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# here, but the logistics of updating the /home/httpd/lonTabs/host.tab |
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# file are likely to be a problem |
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foreach my $port ($lond_port,$lonhttpd_port) { |
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print "Opening firewall access on port $port.\n"; |
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my $firewall_command = |
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"$iptables -I $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT"; |
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system($firewall_command); |
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my $return_status = $?>>8; |
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if ($return_status == 1) { |
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# Error |
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print "Error opening port.\n"; |
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} elsif ($return_status == 2) { |
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# Bad command |
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print "Bad command error opening port. Command was\n". |
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" ".$firewall_command."\n"; |
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} |
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} |
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} |
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sub firewall_is_port_open { |
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# returns 1 if the firewall port is open, 0 if not. |
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# |
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# check if firewall is active or installed |
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return if (! &firewall_is_active); |
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if (`$iptables -L -n 2>/dev/null | grep "tcp dpt:$port"`) { |
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return 1; |
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} else { |
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return 0; |
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} |
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} |
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sub firewall_is_active { |
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if (-e '/proc/net/ip_tables_names') { |
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return 1; |
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} else { |
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return 0; |
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} |
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} |
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sub firewall_close_port { |
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return if (! &firewall_is_active); |
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foreach my $port ($lond_port,$lonhttpd_port) { |
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print "Closing firewall access on port $port.\n"; |
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my $firewall_command = |
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"$iptables -D $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT"; |
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system($firewall_command); |
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my $return_status = $?>>8; |
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if ($return_status == 1) { |
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# Error |
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print "Error closing port.\n"; |
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} elsif ($return_status == 2) { |
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# Bad command |
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print "Bad command error closing port. Command was\n". |
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" ".$firewall_command."\n"; |
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} |
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} |
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} |
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} # End firewall variable scope |
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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"; |
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printf("%-10s ",$daemon); |
printf("%-15s ",$daemon); |
if (-e $pidfile) { |
if (-e $pidfile) { |
open(PIDFILE,$pidfile); |
open(PIDFILE,$pidfile); |
my $daemonpid=<PIDFILE>; |
my $daemonpid=<PIDFILE>; |
chomp($daemonpid); |
chomp($daemonpid); |
kill TERM => $daemonpid; |
kill TERM => $daemonpid; |
sleep 2; |
my $count=0; |
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while ($count++ < 5 && kill(0 => $daemonpid)) { |
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sleep 1; |
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} |
if (kill 0 => $daemonpid) { |
if (kill 0 => $daemonpid) { |
kill KILL => $daemonpid; |
kill KILL => $daemonpid; |
sleep 2; |
sleep 1; |
if (kill 0 => $daemonpid) { |
if (kill 0 => $daemonpid) { |
print("failed to kill"); |
print("failed to kill"); |
} else { |
} else { |
Line 146 sub stop_daemon {
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Line 92 sub stop_daemon {
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system("killall -q $killallname"); |
system("killall -q $killallname"); |
print(", killed off extraneous processes"); |
print(", killed off extraneous processes"); |
} |
} |
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unlink($pidfile); |
print("\n"); |
print("\n"); |
} |
} |
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sub clean_sockets { |
if (($command eq "restartold") or ($command eq "reloadold")) { |
opendir(SOCKETS,"/home/httpd/sockets/"); |
print 'Restarting LON-CAPA'."\n"; |
my $perlvarref=&LONCAPA::Configuration::read_conf(); |
print 'Ending LON-CAPA client and daemon processes'."\n"; |
return if (ref($perlvarref) ne 'HASH'); |
foreach my $daemon ('lonsql','lond','lonc','lonhttpd') { |
while (my $fname=readdir(SOCKETS)) { |
&stop_daemon($daemon,$daemon); |
next if (-d $fname |
} |
|| $fname=~/(mysqlsock|maximasock|\Q$perlvarref->{'lonSockDir'}\E)/); |
print 'Starting LON-CAPA client and daemon processes (please be patient)'. |
unlink("/home/httpd/sockets/$fname"); |
"\n"; |
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system("su www -c '/home/httpd/perl/loncron --oldlonc --justcheckdaemons'"); |
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} elsif (($command eq "restart") or ($command eq "reload")) { |
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print 'Restarting LON-CAPA'."\n"; |
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print 'Ending LON-CAPA client and daemon processes'."\n"; |
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foreach my $daemon ('lonsql','lond','lonc','lonhttpd') { |
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my $killallname=$daemon; |
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if ($daemon eq 'lonc') { $killallname='loncnew'; } |
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&stop_daemon($daemon,$killallname); |
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} |
} |
print 'Starting LON-CAPA client and daemon processes (please be patient)'. |
} |
"\n"; |
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system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'"); |
if (($command eq "restart") || ($command eq 'stop') || |
} elsif ($command eq "stop") { |
($command eq 'start') || ($command eq "status")) { |
print 'Stopping LON-CAPA'."\n"; |
my $iptables = &LONCAPA::Firewall::get_pathto_iptables(); |
foreach my $daemon ('lonsql','lond','lonc','lonhttpd') { |
my @fw_chains = &LONCAPA::Firewall::get_fw_chains($iptables); |
my $killallname=$daemon; |
my $lond_port = &LONCAPA::Firewall::get_lond_port(); |
if ($daemon eq 'lonc') { $killallname='loncnew'; } |
my %iphost; |
&stop_daemon($daemon,$killallname); |
if ($command eq 'restart') { |
} |
print 'Restarting LON-CAPA'."\n"; |
&firewall_close_port(); |
print 'Ending LON-CAPA client and daemon processes'."\n"; |
} elsif ($command eq "startold") { |
foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') { |
&firewall_open_port(); |
my $killallname=$daemon; |
print 'Starting LON-CAPA'."\n"; |
if ($daemon eq 'lonc') { $killallname='loncnew'; } |
print 'Starting LON-CAPA client and daemon processes (please be patient)'. |
&stop_daemon($daemon,$killallname); |
"\n"; |
} |
system("su www -c '/home/httpd/perl/loncron --oldlonc --justcheckdaemons'"); |
%iphost = &Apache::lonnet::get_iphost('',1); |
} elsif ($command eq "start") { |
my $firewall_result = |
&firewall_open_port(); |
&LONCAPA::Firewall::firewall_close_port($iptables,\@fw_chains, |
print 'Starting LON-CAPA'."\n"; |
$lond_port,\%iphost,[$lond_port]); |
print 'Starting LON-CAPA client and daemon processes (please be patient)'. |
if ($firewall_result) { |
"\n"; |
print "$firewall_result\n"; |
system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'"); |
} |
} elsif ($command eq "status") { |
$firewall_result = |
$response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`; |
&LONCAPA::Firewall::firewall_open_port($iptables,\@fw_chains, |
if ($response=~/No such file or directory/) { |
$lond_port, \%iphost,[$lond_port]); |
print 'LON-CAPA is not running.'."\n"; |
if (($firewall_result eq 'ok') || ($firewall_result eq 'inactive firewall')) { |
} else { |
if ($firewall_result eq 'inactive firewall') { |
print 'LON-CAPA is running.'."\n"; |
print "WARNING: iptables firewall is currently inactive\n"; |
system("su www -c '/home/httpd/perl/loncron --justcheckconnections'"); |
} |
} |
} elsif ($firewall_result) { |
if (! &firewall_is_active) { |
print "$firewall_result\n"; |
print 'The iptables firewall is not active'."\n"; |
} |
} |
print 'Starting LON-CAPA client and daemon processes (please be patient)'. |
if (&firewall_is_port_open()) { |
"\n"; |
print 'The LON-CAPA port is open in firewall.'."\n"; |
system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'"); |
} elsif (&firewall_is_active) { |
} elsif ($command eq 'stop') { |
print 'The LON-CAPA port is NOT open in running firewall!'."\n"; |
print 'Stopping LON-CAPA'."\n"; |
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foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') { |
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my $killallname=$daemon; |
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if ($daemon eq 'lonc') { $killallname='loncnew'; } |
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&stop_daemon($daemon,$killallname); |
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} |
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my $firewall_result = |
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&LONCAPA::Firewall::firewall_close_port($iptables,\@fw_chains,$lond_port,\%iphost,[$lond_port]); |
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if ($firewall_result) { |
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print "$firewall_result\n"; |
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} |
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&clean_sockets(); |
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} elsif ($command eq "start") { |
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%iphost = &Apache::lonnet::get_iphost('',1); |
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my $firewall_result = |
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&LONCAPA::Firewall::firewall_open_port($iptables,\@fw_chains,$lond_port,\%iphost,[$lond_port]); |
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if (($firewall_result eq 'ok') || ($firewall_result eq 'inactive firewall')) { |
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if ($firewall_result eq 'inactive firewall') { |
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print "WARNING: iptables firewall is currently inactive\n"; |
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} |
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print 'Starting LON-CAPA'."\n"; |
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print 'Starting LON-CAPA client and daemon processes (please be patient)'. |
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"\n"; |
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system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'"); |
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} else { |
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print "Not starting LON-CAPA\n"; |
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if ($firewall_result eq 'port number unknown') { |
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print "Could not check for status of LON-CAPA port in running firewall - port number unknown. \n"; |
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} elsif ($firewall_result) { |
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print "$firewall_result\n"; |
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} |
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} |
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} elsif ($command eq "status") { |
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%iphost = &Apache::lonnet::get_iphost(); |
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my $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`; |
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if ($response=~/No such file or directory/) { |
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print 'LON-CAPA is not running.'."\n"; |
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} else { |
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print 'LON-CAPA is running.'."\n"; |
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system("su www -c '/home/httpd/perl/loncron --justcheckconnections'"); |
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} |
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if (! &LONCAPA::Firewall::firewall_is_active()) { |
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print 'The iptables firewall is not active'."\n"; |
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} |
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if ($lond_port) { |
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my $londopen; |
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foreach my $fw_chain (@fw_chains) { |
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my $numopen = &LONCAPA::Firewall::firewall_is_port_open($iptables,$fw_chain,$lond_port,$lond_port,\%iphost); |
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$londopen += $numopen; |
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} |
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if ($londopen) { |
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print "The LON-CAPA port ($lond_port) is open in firewall.\n"; |
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} elsif (&LONCAPA::Firewall::firewall_is_active) { |
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print "The LON-CAPA port ($lond_port) is NOT open in running firewall!\n"; |
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} |
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} else { |
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if (&LONCAPA::Firewall::firewall_is_active()) { |
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print "Could not check for status of LON-CAPA port in running firewall - port number unknown.\n"; |
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} else { |
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print "LON-CAPA port number is unknown, and firewall is not running.\n"; |
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} |
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} |
} |
} |
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} elsif ($command eq "reload") { |
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print 'Reload LON-CAPA config files'."\n"; |
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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"; |
} |
} |