version 1.367, 2007/03/28 22:46:44
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version 1.378, 2007/08/08 22:24:36
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Line 69 my $clientip; # IP address of client.
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Line 69 my $clientip; # IP address of client.
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my $clientname; # LonCAPA name of client. |
my $clientname; # LonCAPA name of client. |
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my $server; |
my $server; |
my $thisserver; # DNS of us. |
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my $keymode; |
my $keymode; |
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Line 85 my $tmpsnum = 0; # Id of tmpputs.
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Line 84 my $tmpsnum = 0; # Id of tmpputs.
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my $ConnectionType; |
my $ConnectionType; |
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my %hostid; # ID's for hosts in cluster by ip. |
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my %hostdom; # LonCAPA domain for hosts in cluster. |
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my %hostname; # DNSname -> ID's mapping. |
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my %hostip; # IPs for hosts in cluster. |
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my %hostdns; # ID's of hosts looked up by DNS name. |
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my %managers; # Ip -> manager names |
my %managers; # Ip -> manager names |
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my %perlvar; # Will have the apache conf defined perl vars. |
my %perlvar; # Will have the apache conf defined perl vars. |
Line 142 my @adderrors = ("ok",
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Line 135 my @adderrors = ("ok",
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"lcuseradd Unable to make www member of users's group", |
"lcuseradd Unable to make www member of users's group", |
"lcuseradd Unable to su to root", |
"lcuseradd Unable to su to root", |
"lcuseradd Unable to set password", |
"lcuseradd Unable to set password", |
"lcuseradd Usrname has invalid characters", |
"lcuseradd Username has invalid characters", |
"lcuseradd Password has an invalid character", |
"lcuseradd Password has an invalid character", |
"lcuseradd User already exists", |
"lcuseradd User already exists", |
"lcuseradd Could not add user.", |
"lcuseradd Could not add user.", |
Line 178 sub ResetStatistics {
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Line 171 sub ResetStatistics {
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# $Socket - Socket open on client. |
# $Socket - Socket open on client. |
# $initcmd - The full text of the init command. |
# $initcmd - The full text of the init command. |
# |
# |
# Implicit inputs: |
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# $thisserver - Our DNS name. |
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# |
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# Returns: |
# Returns: |
# IDEA session key on success. |
# IDEA session key on success. |
# undef on failure. |
# undef on failure. |
# |
# |
sub LocalConnection { |
sub LocalConnection { |
my ($Socket, $initcmd) = @_; |
my ($Socket, $initcmd) = @_; |
Debug("Attempting local connection: $initcmd client: $clientip me: $thisserver"); |
Debug("Attempting local connection: $initcmd client: $clientip"); |
if($clientip ne "127.0.0.1") { |
if($clientip ne "127.0.0.1") { |
&logthis('<font color="red"> LocalConnection rejecting non local: ' |
&logthis('<font color="red"> LocalConnection rejecting non local: ' |
."$clientip ne $thisserver </font>"); |
."$clientip ne 127.0.0.1 </font>"); |
close $Socket; |
close $Socket; |
return undef; |
return undef; |
} else { |
} else { |
Line 424 sub ReadManagerTable {
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Line 414 sub ReadManagerTable {
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if ($host =~ "^#") { # Comment line. |
if ($host =~ "^#") { # Comment line. |
next; |
next; |
} |
} |
if (!defined $hostip{$host}) { # This is a non cluster member |
if (!defined &Apache::lonnet::get_host_ip($host)) { # This is a non cluster member |
# The entry is of the form: |
# The entry is of the form: |
# cluname:hostname |
# cluname:hostname |
# cluname - A 'cluster hostname' is needed in order to negotiate |
# cluname - A 'cluster hostname' is needed in order to negotiate |
Line 442 sub ReadManagerTable {
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Line 432 sub ReadManagerTable {
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} |
} |
} else { |
} else { |
logthis('<font color="green"> existing host'." $host</font>\n"); |
logthis('<font color="green"> existing host'." $host</font>\n"); |
$managers{$hostip{$host}} = $host; # Use info from cluster tab if clumemeber |
$managers{&Apache::lonnet::get_host_ip($host)} = $host; # Use info from cluster tab if clumemeber |
} |
} |
} |
} |
} |
} |
Line 4625 sub inst_usertypes_handler {
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Line 4615 sub inst_usertypes_handler {
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my ($cmd, $domain, $client) = @_; |
my ($cmd, $domain, $client) = @_; |
my $res; |
my $res; |
my $userinput = $cmd.":".$domain; # For logging purposes. |
my $userinput = $cmd.":".$domain; # For logging purposes. |
my (%typeshash,@order); |
my (%typeshash,@order,$result); |
if (&localenroll::inst_usertypes($domain,\%typeshash,\@order) eq 'ok') { |
eval { |
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local($SIG{__DIE__})='DEFAULT'; |
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$result=&localenroll::inst_usertypes($domain,\%typeshash,\@order); |
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}; |
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if ($result eq 'ok') { |
if (keys(%typeshash) > 0) { |
if (keys(%typeshash) > 0) { |
foreach my $key (keys(%typeshash)) { |
foreach my $key (keys(%typeshash)) { |
$res.=&escape($key).'='.&escape($typeshash{$key}).'&'; |
$res.=&escape($key).'='.&escape($typeshash{$key}).'&'; |
Line 4909 sub catchexception {
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Line 4903 sub catchexception {
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$SIG{__DIE__}='DEFAULT'; |
$SIG{__DIE__}='DEFAULT'; |
&status("Catching exception"); |
&status("Catching exception"); |
&logthis("<font color='red'>CRITICAL: " |
&logthis("<font color='red'>CRITICAL: " |
."ABNORMAL EXIT. Child $$ for server $thisserver died through " |
."ABNORMAL EXIT. Child $$ for server ".$perlvar{'lonHostID'}." died through " |
."a crash with this error msg->[$error]</font>"); |
."a crash with this error msg->[$error]</font>"); |
&logthis('Famous last words: '.$status.' - '.$lastlog); |
&logthis('Famous last words: '.$status.' - '.$lastlog); |
if ($client) { print $client "error: $error\n"; } |
if ($client) { print $client "error: $error\n"; } |
Line 5020 sub HUPSMAN { # sig
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Line 5014 sub HUPSMAN { # sig
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} |
} |
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# |
# |
# Kill off hashes that describe the host table prior to re-reading it. |
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# Hashes affected are: |
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# %hostid, %hostdom %hostip %hostdns. |
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# |
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sub KillHostHashes { |
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foreach my $key (keys %hostid) { |
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delete $hostid{$key}; |
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} |
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foreach my $key (keys %hostdom) { |
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delete $hostdom{$key}; |
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} |
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foreach my $key (keys %hostip) { |
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delete $hostip{$key}; |
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} |
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foreach my $key (keys %hostdns) { |
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delete $hostdns{$key}; |
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} |
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} |
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# |
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# Read in the host table from file and distribute it into the various hashes: |
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# |
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# - %hostid - Indexed by IP, the loncapa hostname. |
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# - %hostdom - Indexed by loncapa hostname, the domain. |
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# - %hostip - Indexed by hostid, the Ip address of the host. |
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sub ReadHostTable { |
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open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file"; |
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my $myloncapaname = $perlvar{'lonHostID'}; |
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Debug("My loncapa name is : $myloncapaname"); |
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my %name_to_ip; |
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while (my $configline=<CONFIG>) { |
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if ($configline !~ /^\s*\#/ && $configline !~ /^\s*$/ ) { |
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my ($id,$domain,$role,$name)=split(/:/,$configline); |
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$name=~s/\s//g; |
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my $ip; |
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if (!exists($name_to_ip{$name})) { |
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$ip = gethostbyname($name); |
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if (!$ip || length($ip) ne 4) { |
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&logthis("Skipping host $id name $name no IP found\n"); |
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next; |
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} |
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$ip=inet_ntoa($ip); |
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$name_to_ip{$name} = $ip; |
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} else { |
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$ip = $name_to_ip{$name}; |
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} |
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$hostid{$ip}=$id; # LonCAPA name of host by IP. |
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$hostdom{$id}=$domain; # LonCAPA domain name of host. |
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$hostname{$id}=$name; # LonCAPA name -> DNS name |
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$hostip{$id}=$ip; # IP address of host. |
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$hostdns{$name} = $id; # LonCAPA name of host by DNS. |
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if ($id eq $perlvar{'lonHostID'}) { |
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Debug("Found me in the host table: $name"); |
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$thisserver=$name; |
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} |
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} |
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} |
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close(CONFIG); |
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} |
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# |
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# Reload the Apache daemon's state. |
# Reload the Apache daemon's state. |
# This is done by invoking /home/httpd/perl/apachereload |
# This is done by invoking /home/httpd/perl/apachereload |
# a setuid perl script that can be root for us to do this job. |
# a setuid perl script that can be root for us to do this job. |
Line 5111 sub UpdateHosts {
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Line 5044 sub UpdateHosts {
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# either dropped or changed hosts. Note that the re-read of the table |
# either dropped or changed hosts. Note that the re-read of the table |
# will take care of new and changed hosts as connections come into being. |
# will take care of new and changed hosts as connections come into being. |
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&Apache::lonnet::reset_hosts_info(); |
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KillHostHashes; |
foreach my $child (keys(%children)) { |
ReadHostTable; |
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foreach my $child (keys %children) { |
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my $childip = $children{$child}; |
my $childip = $children{$child}; |
if(!$hostid{$childip}) { |
if ($childip ne '127.0.0.1' |
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&& !defined(&Apache::lonnet::get_hosts_from_ip($childip))) { |
logthis('<font color="blue"> UpdateHosts killing child ' |
logthis('<font color="blue"> UpdateHosts killing child ' |
." $child for ip $childip </font>"); |
." $child for ip $childip </font>"); |
kill('INT', $child); |
kill('INT', $child); |
Line 5345 $SIG{USR1} = \&checkchildren;
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Line 5277 $SIG{USR1} = \&checkchildren;
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$SIG{USR2} = \&UpdateHosts; |
$SIG{USR2} = \&UpdateHosts; |
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# Read the host hashes: |
# Read the host hashes: |
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&Apache::lonnet::load_hosts_tab(); |
ReadHostTable; |
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my $dist=`$perlvar{'lonDaemons'}/distprobe`; |
my $dist=`$perlvar{'lonDaemons'}/distprobe`; |
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Line 5436 sub make_new_child {
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Line 5367 sub make_new_child {
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# ----------------------------------------------------------------------------- |
# ----------------------------------------------------------------------------- |
# see if we know client and 'check' for spoof IP by ineffective challenge |
# see if we know client and 'check' for spoof IP by ineffective challenge |
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ReadManagerTable; # May also be a manager!! |
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my $outsideip=$clientip; |
my $outsideip=$clientip; |
if ($clientip eq '127.0.0.1') { |
if ($clientip eq '127.0.0.1') { |
$outsideip=$hostip{$perlvar{'lonHostID'}}; |
$outsideip=&Apache::lonnet::get_host_ip($perlvar{'lonHostID'}); |
} |
} |
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my $clientrec=($hostid{$outsideip} ne undef); |
my $clientrec=defined(&Apache::lonnet::get_hosts_from_ip($outsideip)); |
my $ismanager=($managers{$outsideip} ne undef); |
my $ismanager=($managers{$outsideip} ne undef); |
$clientname = "[unknonwn]"; |
$clientname = "[unknonwn]"; |
if($clientrec) { # Establish client type. |
if($clientrec) { # Establish client type. |
$ConnectionType = "client"; |
$ConnectionType = "client"; |
$clientname = $hostid{$outsideip}; |
$clientname = (&Apache::lonnet::get_hosts_from_ip($outsideip))[-1]; |
if($ismanager) { |
if($ismanager) { |
$ConnectionType = "both"; |
$ConnectionType = "both"; |
} |
} |
Line 5555 sub make_new_child {
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Line 5484 sub make_new_child {
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if ($clientok) { |
if ($clientok) { |
# ---------------- New known client connecting, could mean machine online again |
# ---------------- New known client connecting, could mean machine online again |
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if (&Apache::lonnet::get_host_ip($currenthostid) ne $clientip |
if ($hostip{$currenthostid} ne $clientip |
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&& $clientip ne '127.0.0.1') { |
&& $clientip ne '127.0.0.1') { |
&Apache::lonnet::reconlonc(); |
&Apache::lonnet::reconlonc($clientname); |
} |
} |
&logthis("<font color='green'>Established connection: $clientname</font>"); |
&logthis("<font color='green'>Established connection: $clientname</font>"); |
&status('Will listen to '.$clientname); |
&status('Will listen to '.$clientname); |
Line 6087 sub subscribe {
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Line 6015 sub subscribe {
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# the metadata |
# the metadata |
unless ($fname=~/\.meta$/) { &unsub("$fname.meta",$clientip); } |
unless ($fname=~/\.meta$/) { &unsub("$fname.meta",$clientip); } |
$fname=~s/\/home\/httpd\/html\/res/raw/; |
$fname=~s/\/home\/httpd\/html\/res/raw/; |
$fname="http://$thisserver/".$fname; |
$fname="http://".&Apache::lonnet::hostname($perlvar{'lonHostID'})."/".$fname; |
$result="$fname\n"; |
$result="$fname\n"; |
} |
} |
} else { |
} else { |
Line 6241 sub sethost {
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Line 6169 sub sethost {
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} |
} |
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if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; } |
if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; } |
if ($hostip{$perlvar{'lonHostID'}} eq $hostip{$hostid}) { |
if (&Apache::lonnet::get_host_ip($perlvar{'lonHostID'}) |
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eq &Apache::lonnet::get_host_ip($hostid)) { |
$currenthostid =$hostid; |
$currenthostid =$hostid; |
$currentdomainid=$hostdom{$hostid}; |
$currentdomainid=&Apache::lonnet::host_domain($hostid); |
&logthis("Setting hostid to $hostid, and domain to $currentdomainid"); |
&logthis("Setting hostid to $hostid, and domain to $currentdomainid"); |
} else { |
} else { |
&logthis("Requested host id $hostid not an alias of ". |
&logthis("Requested host id $hostid not an alias of ". |