version 1.27, 2000/12/05 19:45:36
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version 1.69, 2002/02/07 10:17:00
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#!/usr/bin/perl |
#!/usr/bin/perl |
# The LearningOnline Network |
# The LearningOnline Network |
# lond "LON Daemon" Server (port "LOND" 5663) |
# lond "LON Daemon" Server (port "LOND" 5663) |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# 5/26/99,6/4,6/10,6/11,6/14,6/15,6/26,6/28,6/30, |
# 5/26/99,6/4,6/10,6/11,6/14,6/15,6/26,6/28,6/30, |
# 7/8,7/9,7/10,7/12,7/17,7/19,9/21, |
# 7/8,7/9,7/10,7/12,7/17,7/19,9/21, |
# 10/7,10/8,10/9,10/11,10/13,10/15,11/4,11/16, |
# 10/7,10/8,10/9,10/11,10/13,10/15,11/4,11/16, |
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# 06/26 Scott Harrison |
# 06/26 Scott Harrison |
# 06/29,06/30,07/14,07/15,07/17,07/20,07/25,09/18 Gerd Kortemeyer |
# 06/29,06/30,07/14,07/15,07/17,07/20,07/25,09/18 Gerd Kortemeyer |
# 12/05 Scott Harrison |
# 12/05 Scott Harrison |
# 12/05 Gerd Kortemeyer |
# 12/05,12/13,12/29 Gerd Kortemeyer |
# |
# YEAR=2001 |
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# Jan 01 Scott Harrison |
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# 02/12 Gerd Kortemeyer |
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# 03/15 Scott Harrison |
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# 03/24 Gerd Kortemeyer |
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# 04/02 Scott Harrison |
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# 05/11,05/28,08/30 Gerd Kortemeyer |
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# 9/30,10/22,11/13,11/15,11/16 Scott Harrison |
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# 11/26,11/27 Gerd Kortemeyer |
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# 12/20 Scott Harrison |
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# 12/22 Gerd Kortemeyer |
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# YEAR=2002 |
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# 01/20/02,02/05 Gerd Kortemeyer |
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### |
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# based on "Perl Cookbook" ISBN 1-56592-243-3 |
# based on "Perl Cookbook" ISBN 1-56592-243-3 |
# preforker - server who forks first |
# preforker - server who forks first |
# runs as a daemon |
# runs as a daemon |
Line 26 use Crypt::IDEA;
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Line 65 use Crypt::IDEA;
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use LWP::UserAgent(); |
use LWP::UserAgent(); |
use GDBM_File; |
use GDBM_File; |
use Authen::Krb4; |
use Authen::Krb4; |
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use lib '/home/httpd/lib/perl/'; |
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use localauth; |
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my $status=''; |
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my $lastlog=''; |
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# grabs exception and records it to log before exiting |
# grabs exception and records it to log before exiting |
sub catchexception { |
sub catchexception { |
Line 35 sub catchexception {
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Line 79 sub catchexception {
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&logthis("<font color=red>CRITICAL: " |
&logthis("<font color=red>CRITICAL: " |
."ABNORMAL EXIT. Child $$ for server $wasserver died through " |
."ABNORMAL EXIT. Child $$ for server $wasserver died through " |
."a crash with this error msg->[$error]</font>"); |
."a crash with this error msg->[$error]</font>"); |
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&logthis('Famous last words: '.$status.' - '.$lastlog); |
if ($client) { print $client "error: $error\n"; } |
if ($client) { print $client "error: $error\n"; } |
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$server->close(); |
die($error); |
die($error); |
} |
} |
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# grabs exception and records it to log before exiting |
sub timeout { |
# NOTE: we must NOT use the regular (non-overrided) die function in |
&logthis("<font color=ref>CRITICAL: TIME OUT ".$$."</font>"); |
# the code because a handler CANNOT be attached to it |
&catchexception('Timeout'); |
# (despite what some of the documentation says about SIG{__DIE__}. |
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sub catchdie { |
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my ($message)=@_; |
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$SIG{'QUIT'}='DEFAULT'; |
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$SIG{__DIE__}='DEFAULT'; |
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&logthis("<font color=red>CRITICAL: " |
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."ABNORMAL EXIT. Child $$ for server $wasserver died through " |
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."\_\_DIE\_\_ with this error msg->[$message]</font>"); |
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if ($client) { print $client "error: $message\n"; } |
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die($message); |
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} |
} |
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# -------------------------------- Set signal handlers to record abnormal exits |
# -------------------------------- Set signal handlers to record abnormal exits |
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$SIG{'QUIT'}=\&catchexception; |
$SIG{'QUIT'}=\&catchexception; |
Line 62 $SIG{__DIE__}=\&catchexception;
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Line 96 $SIG{__DIE__}=\&catchexception;
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# ------------------------------------ Read httpd access.conf and get variables |
# ------------------------------------ Read httpd access.conf and get variables |
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open (CONFIG,"/etc/httpd/conf/access.conf") |
open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf"; |
|| catchdie "Can't read access.conf"; |
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while ($configline=<CONFIG>) { |
while ($configline=<CONFIG>) { |
if ($configline =~ /PerlSetVar/) { |
if ($configline =~ /PerlSetVar/) { |
Line 74 while ($configline=<CONFIG>) {
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Line 107 while ($configline=<CONFIG>) {
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} |
} |
close(CONFIG); |
close(CONFIG); |
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# ----------------------------- Make sure this process is running from user=www |
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my $wwwid=getpwnam('www'); |
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if ($wwwid!=$<) { |
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$emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; |
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$subj="LON: $perlvar{'lonHostID'} User ID mismatch"; |
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system("echo 'User ID mismatch. lond must be run as user www.' |\ |
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mailto $emailto -s '$subj' > /dev/null"); |
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exit 1; |
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} |
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# --------------------------------------------- Check if other instance running |
# --------------------------------------------- Check if other instance running |
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my $pidfile="$perlvar{'lonDaemons'}/logs/lond.pid"; |
my $pidfile="$perlvar{'lonDaemons'}/logs/lond.pid"; |
Line 82 if (-e $pidfile) {
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Line 125 if (-e $pidfile) {
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my $lfh=IO::File->new("$pidfile"); |
my $lfh=IO::File->new("$pidfile"); |
my $pide=<$lfh>; |
my $pide=<$lfh>; |
chomp($pide); |
chomp($pide); |
if (kill 0 => $pide) { catchdie "already running"; } |
if (kill 0 => $pide) { die "already running"; } |
} |
} |
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$PREFORK=4; # number of children to maintain, at least four spare |
$PREFORK=4; # number of children to maintain, at least four spare |
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# ------------------------------------------------------------- Read hosts file |
# ------------------------------------------------------------- Read hosts file |
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open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") |
open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file"; |
|| catchdie "Can't read host file"; |
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while ($configline=<CONFIG>) { |
while ($configline=<CONFIG>) { |
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
chomp($ip); |
chomp($ip); $ip=~s/\D+$//g; |
$hostid{$ip}=$id; |
$hostid{$ip}=$id; |
if ($id eq $perlvar{'lonHostID'}) { $thisserver=$name; } |
if ($id eq $perlvar{'lonHostID'}) { $thisserver=$name; } |
$PREFORK++; |
$PREFORK++; |
Line 107 $server = IO::Socket::INET->new(LocalPor
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Line 149 $server = IO::Socket::INET->new(LocalPor
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Proto => 'tcp', |
Proto => 'tcp', |
Reuse => 1, |
Reuse => 1, |
Listen => 10 ) |
Listen => 10 ) |
or catchdie "making socket: $@\n"; |
or die "making socket: $@\n"; |
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# --------------------------------------------------------- Do global variables |
# --------------------------------------------------------- Do global variables |
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Line 121 $children = 0; # cu
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Line 163 $children = 0; # cu
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sub REAPER { # takes care of dead children |
sub REAPER { # takes care of dead children |
$SIG{CHLD} = \&REAPER; |
$SIG{CHLD} = \&REAPER; |
my $pid = wait; |
my $pid = wait; |
$children --; |
if (defined($children{$pid})) { |
&logthis("Child $pid died"); |
&logthis("Child $pid died"); |
delete $children{$pid}; |
$children --; |
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delete $children{$pid}; |
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} else { |
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&logthis("Unknown Child $pid died"); |
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} |
} |
} |
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sub HUNTSMAN { # signal handler for SIGINT |
sub HUNTSMAN { # signal handler for SIGINT |
local($SIG{CHLD}) = 'IGNORE'; # we're going to kill our children |
local($SIG{CHLD}) = 'IGNORE'; # we're going to kill our children |
kill 'INT' => keys %children; |
kill 'INT' => keys %children; |
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&logthis("Free socket: ".shutdown($server,2)); # free up socket |
my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
unlink("$execdir/logs/lond.pid"); |
unlink("$execdir/logs/lond.pid"); |
&logthis("<font color=red>CRITICAL: Shutting down</font>"); |
&logthis("<font color=red>CRITICAL: Shutting down</font>"); |
Line 138 sub HUNTSMAN { # si
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Line 185 sub HUNTSMAN { # si
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sub HUPSMAN { # signal handler for SIGHUP |
sub HUPSMAN { # signal handler for SIGHUP |
local($SIG{CHLD}) = 'IGNORE'; # we're going to kill our children |
local($SIG{CHLD}) = 'IGNORE'; # we're going to kill our children |
kill 'INT' => keys %children; |
kill 'INT' => keys %children; |
close($server); # free up socket |
&logthis("Free socket: ".shutdown($server,2)); # free up socket |
&logthis("<font color=red>CRITICAL: Restarting</font>"); |
&logthis("<font color=red>CRITICAL: Restarting</font>"); |
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unlink("$execdir/logs/lond.pid"); |
my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
exec("$execdir/lond"); # here we go again |
exec("$execdir/lond"); # here we go again |
} |
} |
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sub checkchildren { |
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&initnewstatus(); |
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&logstatus(); |
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&logthis('Going to check on the children'); |
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$docdir=$perlvar{'lonDocRoot'}; |
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foreach (sort keys %children) { |
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sleep 1; |
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unless (kill 'USR1' => $_) { |
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&logthis ('Child '.$_.' is dead'); |
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&logstatus($$.' is dead'); |
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} |
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} |
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sleep 5; |
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foreach (sort keys %children) { |
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unless (-e "$docdir/lon-status/londchld/$_.txt") { |
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&logthis('Child '.$_.' did not respond'); |
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kill 9 => $_; |
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$emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; |
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$subj="LON: $perlvar{'lonHostID'} killed lond process $_"; |
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my $result=`echo 'Killed lond process $_.' | mailto $emailto -s '$subj' > /dev/null`; |
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$execdir=$perlvar{'lonDaemons'}; |
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$result=`/bin/cp $execdir/logs/lond.log $execdir/logs/lond.log.$_` |
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} |
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} |
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} |
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# --------------------------------------------------------------------- Logging |
# --------------------------------------------------------------------- Logging |
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sub logthis { |
sub logthis { |
Line 152 sub logthis {
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Line 226 sub logthis {
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my $fh=IO::File->new(">>$execdir/logs/lond.log"); |
my $fh=IO::File->new(">>$execdir/logs/lond.log"); |
my $now=time; |
my $now=time; |
my $local=localtime($now); |
my $local=localtime($now); |
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$lastlog=$local.': '.$message; |
print $fh "$local ($$): $message\n"; |
print $fh "$local ($$): $message\n"; |
} |
} |
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# ------------------------------------------------------------------ Log status |
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sub logstatus { |
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my $docdir=$perlvar{'lonDocRoot'}; |
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{ |
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my $fh=IO::File->new(">>$docdir/lon-status/londstatus.txt"); |
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print $fh $$."\t".$status."\t".$lastlog."\n"; |
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$fh->close(); |
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} |
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{ |
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my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt"); |
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print $fh $status."\n".$lastlog."\n".time; |
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$fh->close(); |
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} |
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} |
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sub initnewstatus { |
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my $docdir=$perlvar{'lonDocRoot'}; |
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my $fh=IO::File->new(">$docdir/lon-status/londstatus.txt"); |
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my $now=time; |
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my $local=localtime($now); |
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print $fh "LOND status $local - parent $$\n\n"; |
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opendir(DIR,"$docdir/lon-status/londchld"); |
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while ($filename=readdir(DIR)) { |
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unlink("$docdir/lon-status/londchld/$filename"); |
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} |
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closedir(DIR); |
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} |
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# -------------------------------------------------------------- Status setting |
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sub status { |
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my $what=shift; |
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my $now=time; |
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my $local=localtime($now); |
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$status=$local.': '.$what; |
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} |
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# -------------------------------------------------------- Escape Special Chars |
# -------------------------------------------------------- Escape Special Chars |
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Line 290 sub ishome {
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Line 402 sub ishome {
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$fpid=fork; |
$fpid=fork; |
exit if $fpid; |
exit if $fpid; |
catchdie "Couldn't fork: $!" unless defined ($fpid); |
die "Couldn't fork: $!" unless defined ($fpid); |
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POSIX::setsid() or catchdie "Can't start new session: $!"; |
POSIX::setsid() or die "Can't start new session: $!"; |
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# ------------------------------------------------------- Write our PID on disk |
# ------------------------------------------------------- Write our PID on disk |
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Line 301 open (PIDSAVE,">$execdir/logs/lond.pid")
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Line 413 open (PIDSAVE,">$execdir/logs/lond.pid")
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print PIDSAVE "$$\n"; |
print PIDSAVE "$$\n"; |
close(PIDSAVE); |
close(PIDSAVE); |
&logthis("<font color=red>CRITICAL: ---------- Starting ----------</font>"); |
&logthis("<font color=red>CRITICAL: ---------- Starting ----------</font>"); |
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&status('Starting'); |
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# ------------------------------------------------------- Now we are on our own |
# ------------------------------------------------------- Now we are on our own |
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Line 311 for (1 .. $PREFORK) {
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Line 424 for (1 .. $PREFORK) {
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# ----------------------------------------------------- Install signal handlers |
# ----------------------------------------------------- Install signal handlers |
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&status('Forked children'); |
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$SIG{CHLD} = \&REAPER; |
$SIG{CHLD} = \&REAPER; |
$SIG{INT} = $SIG{TERM} = \&HUNTSMAN; |
$SIG{INT} = $SIG{TERM} = \&HUNTSMAN; |
$SIG{HUP} = \&HUPSMAN; |
$SIG{HUP} = \&HUPSMAN; |
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$SIG{USR1} = \&checkchildren; |
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# And maintain the population. |
# And maintain the population. |
while (1) { |
while (1) { |
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&status('Sleeping'); |
sleep; # wait for a signal (i.e., child's death) |
sleep; # wait for a signal (i.e., child's death) |
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&logthis('Woke up'); |
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&status('Woke up'); |
for ($i = $children; $i < $PREFORK; $i++) { |
for ($i = $children; $i < $PREFORK; $i++) { |
make_new_child(); # top up the child pool |
make_new_child(); # top up the child pool |
} |
} |
Line 331 sub make_new_child {
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Line 450 sub make_new_child {
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# block signal for fork |
# block signal for fork |
$sigset = POSIX::SigSet->new(SIGINT); |
$sigset = POSIX::SigSet->new(SIGINT); |
sigprocmask(SIG_BLOCK, $sigset) |
sigprocmask(SIG_BLOCK, $sigset) |
or catchdie "Can't block SIGINT for fork: $!\n"; |
or die "Can't block SIGINT for fork: $!\n"; |
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catchdie "fork: $!" unless defined ($pid = fork); |
die "fork: $!" unless defined ($pid = fork); |
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if ($pid) { |
if ($pid) { |
# Parent records the child's birth and returns. |
# Parent records the child's birth and returns. |
sigprocmask(SIG_UNBLOCK, $sigset) |
sigprocmask(SIG_UNBLOCK, $sigset) |
or catchdie "Can't unblock SIGINT for fork: $!\n"; |
or die "Can't unblock SIGINT for fork: $!\n"; |
$children{$pid} = 1; |
$children{$pid} = 1; |
$children++; |
$children++; |
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&status('Started child '.$pid); |
return; |
return; |
} else { |
} else { |
# Child can *not* return from this subroutine. |
# Child can *not* return from this subroutine. |
$SIG{INT} = 'DEFAULT'; # make SIGINT kill us as it did before |
$SIG{INT} = 'DEFAULT'; # make SIGINT kill us as it did before |
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$SIG{USR1}= \&logstatus; |
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$SIG{ALRM}= \&timeout; |
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$lastlog='Forked '; |
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$status='Forked'; |
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# unblock signals |
# unblock signals |
sigprocmask(SIG_UNBLOCK, $sigset) |
sigprocmask(SIG_UNBLOCK, $sigset) |
or catchdie "Can't unblock SIGINT for fork: $!\n"; |
or die "Can't unblock SIGINT for fork: $!\n"; |
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$tmpsnum=0; |
$tmpsnum=0; |
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# handle connections until we've reached $MAX_CLIENTS_PER_CHILD |
# handle connections until we've reached $MAX_CLIENTS_PER_CHILD |
for ($i=0; $i < $MAX_CLIENTS_PER_CHILD; $i++) { |
for ($i=0; $i < $MAX_CLIENTS_PER_CHILD; $i++) { |
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&status('Idle, waiting for connection'); |
$client = $server->accept() or last; |
$client = $server->accept() or last; |
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&status('Accepted connection'); |
# ============================================================================= |
# ============================================================================= |
# do something with the connection |
# do something with the connection |
# ----------------------------------------------------------------------------- |
# ----------------------------------------------------------------------------- |
Line 365 sub make_new_child {
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Line 490 sub make_new_child {
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my $clientip=inet_ntoa($iaddr); |
my $clientip=inet_ntoa($iaddr); |
my $clientrec=($hostid{$clientip} ne undef); |
my $clientrec=($hostid{$clientip} ne undef); |
&logthis( |
&logthis( |
"<font color=yellow>INFO: Connect from $clientip ($hostid{$clientip})</font>"); |
"<font color=yellow>INFO: Connection $i, $clientip ($hostid{$clientip})</font>" |
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); |
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&status("Connecting $clientip ($hostid{$clientip})"); |
my $clientok; |
my $clientok; |
if ($clientrec) { |
if ($clientrec) { |
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&status("Waiting for init from $clientip ($hostid{$clientip})"); |
my $remotereq=<$client>; |
my $remotereq=<$client>; |
$remotereq=~s/\W//g; |
$remotereq=~s/\W//g; |
if ($remotereq eq 'init') { |
if ($remotereq eq 'init') { |
my $challenge="$$".time; |
my $challenge="$$".time; |
print $client "$challenge\n"; |
print $client "$challenge\n"; |
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&status( |
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"Waiting for challenge reply from $clientip ($hostid{$clientip})"); |
$remotereq=<$client>; |
$remotereq=<$client>; |
$remotereq=~s/\W//g; |
$remotereq=~s/\W//g; |
if ($challenge eq $remotereq) { |
if ($challenge eq $remotereq) { |
Line 381 sub make_new_child {
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Line 511 sub make_new_child {
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} else { |
} else { |
&logthis( |
&logthis( |
"<font color=blue>WARNING: $clientip did not reply challenge</font>"); |
"<font color=blue>WARNING: $clientip did not reply challenge</font>"); |
print $client "bye\n"; |
&status('No challenge reply '.$clientip); |
} |
} |
} else { |
} else { |
&logthis( |
&logthis( |
"<font color=blue>WARNING: " |
"<font color=blue>WARNING: " |
."$clientip failed to initialize: >$remotereq< </font>"); |
."$clientip failed to initialize: >$remotereq< </font>"); |
print $client "bye\n"; |
&status('No init '.$clientip); |
} |
} |
} else { |
} else { |
&logthis( |
&logthis( |
"<font color=blue>WARNING: Unknown client $clientip</font>"); |
"<font color=blue>WARNING: Unknown client $clientip</font>"); |
print $client "bye\n"; |
&status('Hung up on '.$clientip); |
} |
} |
if ($clientok) { |
if ($clientok) { |
# ---------------- New known client connecting, could mean machine online again |
# ---------------- New known client connecting, could mean machine online again |
&reconlonc("$perlvar{'lonSockDir'}/$hostid{$clientip}"); |
&reconlonc("$perlvar{'lonSockDir'}/$hostid{$clientip}"); |
&logthis( |
&logthis( |
"<font color=green>Established connection: $hostid{$clientip}</font>"); |
"<font color=green>Established connection: $hostid{$clientip}</font>"); |
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&status('Will listen to '.$hostid{$clientip}); |
# ------------------------------------------------------------ Process requests |
# ------------------------------------------------------------ Process requests |
while (my $userinput=<$client>) { |
while (my $userinput=<$client>) { |
chomp($userinput); |
chomp($userinput); |
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&status('Processing '.$hostid{$clientip}.': '.$userinput); |
my $wasenc=0; |
my $wasenc=0; |
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alarm(120); |
# ------------------------------------------------------------ See if encrypted |
# ------------------------------------------------------------ See if encrypted |
if ($userinput =~ /^enc/) { |
if ($userinput =~ /^enc/) { |
if ($cipher) { |
if ($cipher) { |
Line 450 sub make_new_child {
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Line 583 sub make_new_child {
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$loadavg =~ s/\s.*//g; |
$loadavg =~ s/\s.*//g; |
my $loadpercent=100*$loadavg/$perlvar{'lonLoadLim'}; |
my $loadpercent=100*$loadavg/$perlvar{'lonLoadLim'}; |
print $client "$loadpercent\n"; |
print $client "$loadpercent\n"; |
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# ----------------------------------------------------------------- currentauth |
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} elsif ($userinput =~ /^currentauth/) { |
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if ($wasenc==1) { |
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my ($cmd,$udom,$uname)=split(/:/,$userinput); |
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my $proname=propath($udom,$uname); |
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my $passfilename="$proname/passwd"; |
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if (-e $passfilename) { |
|
my $pf = IO::File->new($passfilename); |
|
my $realpasswd=<$pf>; |
|
chomp($realpasswd); |
|
my ($howpwd,$contentpwd)=split(/:/,$realpasswd); |
|
my $availablecontent=''; |
|
if ($howpwd eq 'krb4') { |
|
$availablecontent=$contentpwd; |
|
} |
|
print $client "$howpwd:$availablecontent\n"; |
|
} else { |
|
print $client "unknown_user\n"; |
|
} |
|
} else { |
|
print $client "refused\n"; |
|
} |
# ------------------------------------------------------------------------ auth |
# ------------------------------------------------------------------------ auth |
} elsif ($userinput =~ /^auth/) { |
} elsif ($userinput =~ /^auth/) { |
if ($wasenc==1) { |
if ($wasenc==1) { |
Line 469 sub make_new_child {
|
Line 624 sub make_new_child {
|
(crypt($upass,$contentpwd) eq $contentpwd); |
(crypt($upass,$contentpwd) eq $contentpwd); |
} elsif ($howpwd eq 'unix') { |
} elsif ($howpwd eq 'unix') { |
$contentpwd=(getpwnam($uname))[1]; |
$contentpwd=(getpwnam($uname))[1]; |
$pwdcorrect= |
my $pwauth_path="/usr/local/sbin/pwauth"; |
(crypt($upass,$contentpwd) eq $contentpwd); |
unless ($contentpwd eq 'x') { |
|
$pwdcorrect= |
|
(crypt($upass,$contentpwd) eq $contentpwd); |
|
} |
|
elsif (-e $pwauth_path) { |
|
open PWAUTH, "|$pwauth_path" or |
|
die "Cannot invoke authentication"; |
|
print PWAUTH "$uname\n$upass\n"; |
|
close PWAUTH; |
|
$pwdcorrect=!$?; |
|
} |
} elsif ($howpwd eq 'krb4') { |
} elsif ($howpwd eq 'krb4') { |
$pwdcorrect=( |
$pwdcorrect=( |
Authen::Krb4::get_pw_in_tkt($uname,"", |
Authen::Krb4::get_pw_in_tkt($uname,"", |
$contentpwd,'krbtgt',$contentpwd,1, |
$contentpwd,'krbtgt',$contentpwd,1, |
$upass) == 0); |
$upass) == 0); |
} |
} elsif ($howpwd eq 'localauth') { |
|
$pwdcorrect=&localauth::localauth($uname,$upass, |
|
$contentpwd); |
|
} |
if ($pwdcorrect) { |
if ($pwdcorrect) { |
print $client "authorized\n"; |
print $client "authorized\n"; |
} else { |
} else { |
Line 494 sub make_new_child {
|
Line 662 sub make_new_child {
|
my |
my |
($cmd,$udom,$uname,$upass,$npass)=split(/:/,$userinput); |
($cmd,$udom,$uname,$upass,$npass)=split(/:/,$userinput); |
chomp($npass); |
chomp($npass); |
|
$upass=&unescape($upass); |
|
$npass=&unescape($npass); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $passfilename="$proname/passwd"; |
my $passfilename="$proname/passwd"; |
if (-e $passfilename) { |
if (-e $passfilename) { |
Line 508 sub make_new_child {
|
Line 678 sub make_new_child {
|
$salt=substr($salt,6,2); |
$salt=substr($salt,6,2); |
my $ncpass=crypt($npass,$salt); |
my $ncpass=crypt($npass,$salt); |
{ my $pf = IO::File->new(">$passfilename"); |
{ my $pf = IO::File->new(">$passfilename"); |
print $pf "internal:$ncpass\n";; } |
print $pf "internal:$ncpass\n"; } |
print $client "ok\n"; |
print $client "ok\n"; |
} else { |
} else { |
print $client "non_authorized\n"; |
print $client "non_authorized\n"; |
Line 522 sub make_new_child {
|
Line 692 sub make_new_child {
|
} else { |
} else { |
print $client "refused\n"; |
print $client "refused\n"; |
} |
} |
|
# -------------------------------------------------------------------- makeuser |
|
} elsif ($userinput =~ /^makeuser/) { |
|
my $oldumask=umask(0077); |
|
if ($wasenc==1) { |
|
my |
|
($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); |
|
chomp($npass); |
|
$npass=&unescape($npass); |
|
my $proname=propath($udom,$uname); |
|
my $passfilename="$proname/passwd"; |
|
if (-e $passfilename) { |
|
print $client "already_exists\n"; |
|
} elsif ($udom ne $perlvar{'lonDefDomain'}) { |
|
print $client "not_right_domain\n"; |
|
} else { |
|
@fpparts=split(/\//,$proname); |
|
$fpnow=$fpparts[0].'/'.$fpparts[1].'/'.$fpparts[2]; |
|
$fperror=''; |
|
for ($i=3;$i<=$#fpparts;$i++) { |
|
$fpnow.='/'.$fpparts[$i]; |
|
unless (-e $fpnow) { |
|
unless (mkdir($fpnow,0777)) { |
|
$fperror="error:$!"; |
|
} |
|
} |
|
} |
|
unless ($fperror) { |
|
if ($umode eq 'krb4') { |
|
{ |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "krb4:$npass\n"; |
|
} |
|
print $client "ok\n"; |
|
} elsif ($umode eq 'internal') { |
|
my $salt=time; |
|
$salt=substr($salt,6,2); |
|
my $ncpass=crypt($npass,$salt); |
|
{ |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "internal:$ncpass\n"; |
|
} |
|
print $client "ok\n"; |
|
} elsif ($umode eq 'localauth') { |
|
{ |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "localauth:$npass\n"; |
|
} |
|
print $client "ok\n"; |
|
} elsif ($umode eq 'unix') { |
|
{ |
|
my $execpath="$perlvar{'lonDaemons'}/". |
|
"lcuseradd"; |
|
{ |
|
my $se = IO::File->new("|$execpath"); |
|
print $se "$uname\n"; |
|
print $se "$npass\n"; |
|
print $se "$npass\n"; |
|
} |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "unix:\n"; |
|
} |
|
print $client "ok\n"; |
|
} elsif ($umode eq 'none') { |
|
{ |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "none:\n"; |
|
} |
|
print $client "ok\n"; |
|
} else { |
|
print $client "auth_mode_error\n"; |
|
} |
|
} else { |
|
print $client "$fperror\n"; |
|
} |
|
} |
|
} else { |
|
print $client "refused\n"; |
|
} |
|
umask($oldumask); |
|
# -------------------------------------------------------------- changeuserauth |
|
} elsif ($userinput =~ /^changeuserauth/) { |
|
if ($wasenc==1) { |
|
my |
|
($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); |
|
chomp($npass); |
|
$npass=&unescape($npass); |
|
my $proname=propath($udom,$uname); |
|
my $passfilename="$proname/passwd"; |
|
if ($udom ne $perlvar{'lonDefDomain'}) { |
|
print $client "not_right_domain\n"; |
|
} else { |
|
if ($umode eq 'krb4') { |
|
{ |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "krb4:$npass\n"; |
|
} |
|
print $client "ok\n"; |
|
} elsif ($umode eq 'internal') { |
|
my $salt=time; |
|
$salt=substr($salt,6,2); |
|
my $ncpass=crypt($npass,$salt); |
|
{ |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "internal:$ncpass\n"; |
|
} |
|
print $client "ok\n"; |
|
} elsif ($umode eq 'localauth') { |
|
{ |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "localauth:$npass\n"; |
|
} |
|
print $client "ok\n"; |
|
} elsif ($umode eq 'unix') { |
|
{ |
|
my $execpath="$perlvar{'lonDaemons'}/". |
|
"lcuseradd"; |
|
{ |
|
my $se = IO::File->new("|$execpath"); |
|
print $se "$uname\n"; |
|
print $se "$npass\n"; |
|
print $se "$npass\n"; |
|
} |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "unix:\n"; |
|
} |
|
print $client "ok\n"; |
|
} elsif ($umode eq 'none') { |
|
{ |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "none:\n"; |
|
} |
|
print $client "ok\n"; |
|
} else { |
|
print $client "auth_mode_error\n"; |
|
} |
|
} |
|
} else { |
|
print $client "refused\n"; |
|
} |
# ------------------------------------------------------------------------ home |
# ------------------------------------------------------------------------ home |
} elsif ($userinput =~ /^home/) { |
} elsif ($userinput =~ /^home/) { |
my ($cmd,$udom,$uname)=split(/:/,$userinput); |
my ($cmd,$udom,$uname)=split(/:/,$userinput); |
Line 565 sub make_new_child {
|
Line 874 sub make_new_child {
|
"LWP GET: $message for $fname ($remoteurl)"); |
"LWP GET: $message for $fname ($remoteurl)"); |
} else { |
} else { |
if ($remoteurl!~/\.meta$/) { |
if ($remoteurl!~/\.meta$/) { |
|
my $ua=new LWP::UserAgent; |
my $mrequest= |
my $mrequest= |
new HTTP::Request('GET',$remoteurl.'.meta'); |
new HTTP::Request('GET',$remoteurl.'.meta'); |
my $mresponse= |
my $mresponse= |
Line 612 sub make_new_child {
|
Line 922 sub make_new_child {
|
print $sh "$clientip:$now\n"; |
print $sh "$clientip:$now\n"; |
} |
} |
} |
} |
|
unless ($fname=~/\.meta$/) { |
|
unlink("$fname.meta.$hostid{$clientip}"); |
|
} |
$fname=~s/\/home\/httpd\/html\/res/raw/; |
$fname=~s/\/home\/httpd\/html\/res/raw/; |
$fname="http://$thisserver/".$fname; |
$fname="http://$thisserver/".$fname; |
print $client "$fname\n"; |
print $client "$fname\n"; |
Line 647 sub make_new_child {
|
Line 960 sub make_new_child {
|
chomp($what); |
chomp($what); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $now=time; |
my $now=time; |
{ |
unless ($namespace=~/^nohist\_/) { |
my $hfh; |
my $hfh; |
if ( |
if ( |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
Line 772 sub make_new_child {
|
Line 1085 sub make_new_child {
|
chomp($what); |
chomp($what); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $now=time; |
my $now=time; |
{ |
unless ($namespace=~/^nohist\_/) { |
my $hfh; |
my $hfh; |
if ( |
if ( |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
Line 814 sub make_new_child {
|
Line 1127 sub make_new_child {
|
} |
} |
# ------------------------------------------------------------------------ dump |
# ------------------------------------------------------------------------ dump |
} elsif ($userinput =~ /^dump/) { |
} elsif ($userinput =~ /^dump/) { |
my ($cmd,$udom,$uname,$namespace) |
my ($cmd,$udom,$uname,$namespace,$regexp) |
=split(/:/,$userinput); |
=split(/:/,$userinput); |
$namespace=~s/\//\_/g; |
$namespace=~s/\//\_/g; |
$namespace=~s/\W//g; |
$namespace=~s/\W//g; |
|
if (defined($regexp)) { |
|
$regexp=&unescape($regexp); |
|
} else { |
|
$regexp='.'; |
|
} |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $qresult=''; |
my $qresult=''; |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) { |
foreach $key (keys %hash) { |
foreach $key (keys %hash) { |
$qresult.="$key=$hash{$key}&"; |
if (eval('$key=~/$regexp/')) { |
|
$qresult.="$key=$hash{$key}&"; |
|
} |
} |
} |
if (untie(%hash)) { |
if (untie(%hash)) { |
$qresult=~s/\&$//; |
$qresult=~s/\&$//; |
Line 843 sub make_new_child {
|
Line 1163 sub make_new_child {
|
chomp($what); |
chomp($what); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $now=time; |
my $now=time; |
{ |
unless ($namespace=~/^nohist\_/) { |
my $hfh; |
my $hfh; |
if ( |
if ( |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
$hfh=IO::File->new(">>$proname/$namespace.hist") |
Line 862 sub make_new_child {
|
Line 1182 sub make_new_child {
|
$allkeys.=$key.':'; |
$allkeys.=$key.':'; |
$hash{"$version:$rid:$key"}=$value; |
$hash{"$version:$rid:$key"}=$value; |
} |
} |
$allkeys=~s/:$//; |
$hash{"$version:$rid:timestamp"}=$now; |
|
$allkeys.='timestamp'; |
$hash{"$version:keys:$rid"}=$allkeys; |
$hash{"$version:keys:$rid"}=$allkeys; |
if (untie(%hash)) { |
if (untie(%hash)) { |
print $client "ok\n"; |
print $client "ok\n"; |
Line 908 sub make_new_child {
|
Line 1229 sub make_new_child {
|
} |
} |
# ------------------------------------------------------------------- querysend |
# ------------------------------------------------------------------- querysend |
} elsif ($userinput =~ /^querysend/) { |
} elsif ($userinput =~ /^querysend/) { |
my ($cmd,$query)=split(/:/,$userinput); |
my ($cmd,$query, |
|
$custom,$customshow)=split(/:/,$userinput); |
$query=~s/\n*$//g; |
$query=~s/\n*$//g; |
print $client sqlreply("$hostid{$clientip}\&$query")."\n"; |
unless ($custom or $customshow) { |
|
print $client "". |
|
sqlreply("$hostid{$clientip}\&$query")."\n"; |
|
} |
|
else { |
|
print $client "". |
|
sqlreply("$hostid{$clientip}\&$query". |
|
"\&$custom"."\&$customshow")."\n"; |
|
} |
# ------------------------------------------------------------------ queryreply |
# ------------------------------------------------------------------ queryreply |
} elsif ($userinput =~ /^queryreply/) { |
} elsif ($userinput =~ /^queryreply/) { |
my ($cmd,$id,$reply)=split(/:/,$userinput); |
my ($cmd,$id,$reply)=split(/:/,$userinput); |
my $store; |
my $store; |
my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
if ($store=IO::File->new(">$execdir/tmp/$id")) { |
if ($store=IO::File->new(">$execdir/tmp/$id")) { |
|
$reply=~s/\&/\n/g; |
print $store $reply; |
print $store $reply; |
close $store; |
close $store; |
|
my $store2=IO::File->new(">$execdir/tmp/$id.end"); |
|
print $store2 "done\n"; |
|
close $store2; |
print $client "ok\n"; |
print $client "ok\n"; |
} |
} |
else { |
else { |
Line 1012 sub make_new_child {
|
Line 1346 sub make_new_child {
|
my $ulsout=''; |
my $ulsout=''; |
my $ulsfn; |
my $ulsfn; |
if (-e $ulsdir) { |
if (-e $ulsdir) { |
while ($ulsfn=<$ulsdir/*>) { |
if (opendir(LSDIR,$ulsdir)) { |
my @ulsstats=stat($ulsfn); |
while ($ulsfn=readdir(LSDIR)) { |
|
my @ulsstats=stat($ulsdir.'/'.$ulsfn); |
$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':'; |
$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':'; |
} |
} |
|
closedir(LSDIR); |
|
} |
} else { |
} else { |
$ulsout='no_such_dir'; |
$ulsout='no_such_dir'; |
} |
} |
if ($ulsout eq '') { $ulsout='empty'; } |
if ($ulsout eq '') { $ulsout='empty'; } |
print $client "$ulsout\n"; |
print $client "$ulsout\n"; |
|
# ------------------------------------------------------------------ Hanging up |
|
} elsif (($userinput =~ /^exit/) || |
|
($userinput =~ /^init/)) { |
|
&logthis( |
|
"Client $clientip ($hostid{$clientip}) hanging up: $userinput"); |
|
print $client "bye\n"; |
|
$client->close(); |
|
last; |
# ------------------------------------------------------------- unknown command |
# ------------------------------------------------------------- unknown command |
} else { |
} else { |
# unknown command |
# unknown command |
print $client "unknown_cmd\n"; |
print $client "unknown_cmd\n"; |
} |
} |
# ------------------------------------------------------ client unknown, refuse |
# -------------------------------------------------------------------- complete |
|
alarm(0); |
|
&status('Listening to '.$hostid{$clientip}); |
} |
} |
|
# --------------------------------------------- client unknown or fishy, refuse |
} else { |
} else { |
print $client "refused\n"; |
print $client "refused\n"; |
|
$client->close(); |
&logthis("<font color=blue>WARNING: " |
&logthis("<font color=blue>WARNING: " |
."Rejected client $clientip, closing connection</font>"); |
."Rejected client $clientip, closing connection</font>"); |
} |
} |
Line 1040 sub make_new_child {
|
Line 1389 sub make_new_child {
|
|
|
# tidy up gracefully and finish |
# tidy up gracefully and finish |
|
|
|
$client->close(); |
|
$server->close(); |
|
|
# this exit is VERY important, otherwise the child will become |
# this exit is VERY important, otherwise the child will become |
# a producer of more and more children, forking yourself into |
# a producer of more and more children, forking yourself into |
# process death. |
# process death. |
Line 1047 sub make_new_child {
|
Line 1399 sub make_new_child {
|
} |
} |
} |
} |
|
|
|
# ----------------------------------- POD (plain old documentation, CPAN style) |
|
|
|
=head1 NAME |
|
|
|
lond - "LON Daemon" Server (port "LOND" 5663) |
|
|
|
=head1 SYNOPSIS |
|
|
|
Should only be run as user=www. Invoked by loncron. |
|
|
|
=head1 DESCRIPTION |
|
|
|
Preforker - server who forks first. Runs as a daemon. HUPs. |
|
Uses IDEA encryption |
|
|
|
=head1 README |
|
|
|
Not yet written. |
|
|
|
=head1 PREREQUISITES |
|
|
|
IO::Socket |
|
IO::File |
|
Apache::File |
|
Symbol |
|
POSIX |
|
Crypt::IDEA |
|
LWP::UserAgent() |
|
GDBM_File |
|
Authen::Krb4 |
|
|
|
=head1 COREQUISITES |
|
|
|
=head1 OSNAMES |
|
|
|
linux |
|
|
|
=head1 SCRIPT CATEGORIES |
|
|
|
Server/Process |
|
|
|
=cut |
|
|
|
|
|
|