version 1.11, 2000/05/01 20:22:39
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version 1.23, 2000/12/05 16:51:41
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Line 5
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# 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, |
# 12/7,12/15,01/06,01/11,01/12,01/14,2/8, |
# 12/7,12/15,01/06,01/11,01/12,01/14,2/8, |
# 03/07 Gerd Kortemeyer |
# 03/07,05/31 Gerd Kortemeyer |
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# 06/26 Scott Harrison |
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# 06/29,06/30,07/14,07/15,07/17,07/20,07/25,09/18 Gerd Kortemeyer |
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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 22 use LWP::UserAgent();
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Line 25 use LWP::UserAgent();
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use GDBM_File; |
use GDBM_File; |
use Authen::Krb4; |
use Authen::Krb4; |
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# grabs exception and records it to log before exiting |
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sub catchexception { |
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my ($signal)=@_; |
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&logthis("<font color=red>CRITICAL: " |
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."ABNORMAL EXIT. Child $$ for server $wasserver died through " |
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."$signal with this parameter->[$@]</font>"); |
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die($@); |
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} |
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# grabs exception and records it to log before exiting |
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# NOTE: we must NOT use the regular (non-overrided) die function in |
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# the code because a handler CANNOT be attached to it |
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# (despite what some of the documentation says about SIG{__DIE__}. |
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sub catchdie { |
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my ($message)=@_; |
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&logthis("<font color=red>CRITICAL: " |
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."ABNORMAL EXIT. Child $$ for server $wasserver died through " |
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."\_\_DIE\_\_ with this parameter->[$message]</font>"); |
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die($message); |
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} |
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# -------------------------------- Set signal handlers to record abnormal exits |
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$SIG{'QUIT'}=\&catchexception; |
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$SIG{__DIE__}=\&catchexception; |
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# ------------------------------------ Read httpd access.conf and get variables |
# ------------------------------------ Read httpd access.conf and get variables |
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open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf"; |
open (CONFIG,"/etc/httpd/conf/access.conf") |
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|| catchdie "Can't read access.conf"; |
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while ($configline=<CONFIG>) { |
while ($configline=<CONFIG>) { |
if ($configline =~ /PerlSetVar/) { |
if ($configline =~ /PerlSetVar/) { |
Line 35 while ($configline=<CONFIG>) {
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Line 65 while ($configline=<CONFIG>) {
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} |
} |
close(CONFIG); |
close(CONFIG); |
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# --------------------------------------------- Check if other instance running |
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my $pidfile="$perlvar{'lonDaemons'}/logs/lond.pid"; |
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if (-e $pidfile) { |
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my $lfh=IO::File->new("$pidfile"); |
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my $pide=<$lfh>; |
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chomp($pide); |
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if (kill 0 => $pide) { catchdie "already running"; } |
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} |
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$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") || die "Can't read host file"; |
open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") |
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|| catchdie "Can't read host file"; |
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while ($configline=<CONFIG>) { |
while ($configline=<CONFIG>) { |
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
Line 56 $server = IO::Socket::INET->new(LocalPor
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Line 98 $server = IO::Socket::INET->new(LocalPor
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Proto => 'tcp', |
Proto => 'tcp', |
Reuse => 1, |
Reuse => 1, |
Listen => 10 ) |
Listen => 10 ) |
or die "making socket: $@\n"; |
or catchdie "making socket: $@\n"; |
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# --------------------------------------------------------- Do global variables |
# --------------------------------------------------------- Do global variables |
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Line 184 sub reply {
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Line 226 sub reply {
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return $answer; |
return $answer; |
} |
} |
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# -------------------------------------------------------------- Talk to lonsql |
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sub sqlreply { |
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my ($cmd)=@_; |
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my $answer=subsqlreply($cmd); |
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if ($answer eq 'con_lost') { $answer=subsqlreply($cmd); } |
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return $answer; |
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} |
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sub subsqlreply { |
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my ($cmd)=@_; |
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my $unixsock="mysqlsock"; |
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my $peerfile="$perlvar{'lonSockDir'}/$unixsock"; |
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my $sclient=IO::Socket::UNIX->new(Peer =>"$peerfile", |
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Type => SOCK_STREAM, |
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Timeout => 10) |
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or return "con_lost"; |
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print $sclient "$cmd\n"; |
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my $answer=<$sclient>; |
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chomp($answer); |
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if (!$answer) { $answer="con_lost"; } |
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return $answer; |
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} |
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# -------------------------------------------- Return path to profile directory |
# -------------------------------------------- Return path to profile directory |
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sub propath { |
sub propath { |
my ($udom,$uname)=@_; |
my ($udom,$uname)=@_; |
$udom=~s/\W//g; |
$udom=~s/\W//g; |
$uname=~s/\W//g; |
$uname=~s/\W//g; |
my $subdir=$uname; |
my $subdir=$uname.'__'; |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
return $proname; |
return $proname; |
Line 215 sub ishome {
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Line 281 sub ishome {
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$fpid=fork; |
$fpid=fork; |
exit if $fpid; |
exit if $fpid; |
die "Couldn't fork: $!" unless defined ($fpid); |
catchdie "Couldn't fork: $!" unless defined ($fpid); |
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POSIX::setsid() or die "Can't start new session: $!"; |
POSIX::setsid() or catchdie "Can't start new session: $!"; |
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# ------------------------------------------------------- Write our PID on disk |
# ------------------------------------------------------- Write our PID on disk |
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Line 256 sub make_new_child {
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Line 322 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 die "Can't block SIGINT for fork: $!\n"; |
or catchdie "Can't block SIGINT for fork: $!\n"; |
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die "fork: $!" unless defined ($pid = fork); |
catchdie "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 die "Can't unblock SIGINT for fork: $!\n"; |
or catchdie "Can't unblock SIGINT for fork: $!\n"; |
$children{$pid} = 1; |
$children{$pid} = 1; |
$children++; |
$children++; |
return; |
return; |
Line 273 sub make_new_child {
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Line 339 sub make_new_child {
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# unblock signals |
# unblock signals |
sigprocmask(SIG_UNBLOCK, $sigset) |
sigprocmask(SIG_UNBLOCK, $sigset) |
or die "Can't unblock SIGINT for fork: $!\n"; |
or catchdie "Can't unblock SIGINT for fork: $!\n"; |
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$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++) { |
Line 304 sub make_new_child {
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Line 372 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>"); |
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print $client "bye\n"; |
} |
} |
} else { |
} else { |
&logthis( |
&logthis( |
"<font color=blue>WARNING: " |
"<font color=blue>WARNING: " |
."$clientip failed to initialize: >$remotereq< </font>"); |
."$clientip failed to initialize: >$remotereq< </font>"); |
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print $client "bye\n"; |
} |
} |
} else { |
} else { |
&logthis( |
&logthis( |
"<font color=blue>WARNING: Unknown client $clientip</font>"); |
"<font color=blue>WARNING: Unknown client $clientip</font>"); |
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print $client "bye\n"; |
} |
} |
if ($clientok) { |
if ($clientok) { |
# ---------------- New known client connecting, could mean machine online again |
# ---------------- New known client connecting, could mean machine online again |
Line 484 sub make_new_child {
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Line 555 sub make_new_child {
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&logthis( |
&logthis( |
"LWP GET: $message for $fname ($remoteurl)"); |
"LWP GET: $message for $fname ($remoteurl)"); |
} else { |
} else { |
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if ($remoteurl!~/\.meta$/) { |
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my $mrequest= |
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new HTTP::Request('GET',$remoteurl.'.meta'); |
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my $mresponse= |
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$ua->request($mrequest,$fname.'.meta'); |
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if ($mresponse->is_error()) { |
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unlink($fname.'.meta'); |
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} |
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} |
rename($transname,$fname); |
rename($transname,$fname); |
} |
} |
} |
} |
Line 512 sub make_new_child {
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Line 592 sub make_new_child {
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my $ownership=ishome($fname); |
my $ownership=ishome($fname); |
if ($ownership eq 'owner') { |
if ($ownership eq 'owner') { |
if (-e $fname) { |
if (-e $fname) { |
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if (-d $fname) { |
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print $client "directory\n"; |
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} else { |
$now=time; |
$now=time; |
{ |
{ |
my $sh=IO::File->new(">$fname.$hostid{$clientip}"); |
my $sh=IO::File->new(">$fname.$hostid{$clientip}"); |
Line 520 sub make_new_child {
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Line 603 sub make_new_child {
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$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"; |
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} |
} else { |
} else { |
print $client "not_found\n"; |
print $client "not_found\n"; |
} |
} |
} else { |
} else { |
print $client "rejected\n"; |
print $client "rejected\n"; |
} |
} |
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# ------------------------------------------------------------------------- log |
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} elsif ($userinput =~ /^log/) { |
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my ($cmd,$udom,$uname,$what)=split(/:/,$userinput); |
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chomp($what); |
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my $proname=propath($udom,$uname); |
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my $now=time; |
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{ |
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my $hfh; |
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if ($hfh=IO::File->new(">>$proname/activity.log")) { |
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print $hfh "$now:$hostid{$clientip}:$what\n"; |
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print $client "ok\n"; |
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} else { |
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print $client "error:$!\n"; |
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} |
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} |
# ------------------------------------------------------------------------- put |
# ------------------------------------------------------------------------- put |
} elsif ($userinput =~ /^put/) { |
} elsif ($userinput =~ /^put/) { |
my ($cmd,$udom,$uname,$namespace,$what) |
my ($cmd,$udom,$uname,$namespace,$what) |
Line 603 sub make_new_child {
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Line 702 sub make_new_child {
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my @queries=split(/\&/,$what); |
my @queries=split(/\&/,$what); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $qresult=''; |
my $qresult=''; |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) { |
for ($i=0;$i<=$#queries;$i++) { |
for ($i=0;$i<=$#queries;$i++) { |
$qresult.="$hash{$queries[$i]}&"; |
$qresult.="$hash{$queries[$i]}&"; |
} |
} |
Line 626 sub make_new_child {
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Line 725 sub make_new_child {
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my @queries=split(/\&/,$what); |
my @queries=split(/\&/,$what); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $qresult=''; |
my $qresult=''; |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) { |
for ($i=0;$i<=$#queries;$i++) { |
for ($i=0;$i<=$#queries;$i++) { |
$qresult.="$hash{$queries[$i]}&"; |
$qresult.="$hash{$queries[$i]}&"; |
} |
} |
Line 688 sub make_new_child {
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Line 787 sub make_new_child {
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$namespace=~s/\W//g; |
$namespace=~s/\W//g; |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $qresult=''; |
my $qresult=''; |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) { |
foreach $key (keys %hash) { |
foreach $key (keys %hash) { |
$qresult.="$key&"; |
$qresult.="$key&"; |
} |
} |
Line 709 sub make_new_child {
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Line 808 sub make_new_child {
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$namespace=~s/\W//g; |
$namespace=~s/\W//g; |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $qresult=''; |
my $qresult=''; |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) { |
foreach $key (keys %hash) { |
foreach $key (keys %hash) { |
$qresult.="$key=$hash{$key}&"; |
$qresult.="$key=$hash{$key}&"; |
} |
} |
Line 773 sub make_new_child {
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Line 872 sub make_new_child {
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chomp($rid); |
chomp($rid); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my $qresult=''; |
my $qresult=''; |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT,0640)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER,0640)) { |
my $version=$hash{"version:$rid"}; |
my $version=$hash{"version:$rid"}; |
$qresult.="version=$version&"; |
$qresult.="version=$version&"; |
my $scope; |
my $scope; |
Line 783 sub make_new_child {
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Line 882 sub make_new_child {
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my $key; |
my $key; |
$qresult.="$scope:keys=$vkeys&"; |
$qresult.="$scope:keys=$vkeys&"; |
foreach $key (@keys) { |
foreach $key (@keys) { |
$qresult.="$version:$key=".$hash{"$scope:$rid:$key"}."&"; |
$qresult.="$scope:$key=".$hash{"$scope:$rid:$key"}."&"; |
} |
} |
} |
} |
if (untie(%hash)) { |
if (untie(%hash)) { |
Line 795 sub make_new_child {
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Line 894 sub make_new_child {
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} else { |
} else { |
print $client "error:$!\n"; |
print $client "error:$!\n"; |
} |
} |
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# ------------------------------------------------------------------- querysend |
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} elsif ($userinput =~ /^querysend/) { |
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my ($cmd,$query)=split(/:/,$userinput); |
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$query=~s/\n*$//g; |
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print $client sqlreply("$hostid{$clientip}\&$query")."\n"; |
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# ------------------------------------------------------------------ queryreply |
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} elsif ($userinput =~ /^queryreply/) { |
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my ($cmd,$id,$reply)=split(/:/,$userinput); |
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my $store; |
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my $execdir=$perlvar{'lonDaemons'}; |
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if ($store=IO::File->new(">$execdir/tmp/$id")) { |
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print $store $reply; |
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close $store; |
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print $client "ok\n"; |
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} |
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else { |
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print $client "error:$!\n"; |
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} |
# ----------------------------------------------------------------------- idput |
# ----------------------------------------------------------------------- idput |
} elsif ($userinput =~ /^idput/) { |
} elsif ($userinput =~ /^idput/) { |
my ($cmd,$udom,$what)=split(/:/,$userinput); |
my ($cmd,$udom,$what)=split(/:/,$userinput); |
Line 830 sub make_new_child {
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Line 947 sub make_new_child {
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my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; |
my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; |
my @queries=split(/\&/,$what); |
my @queries=split(/\&/,$what); |
my $qresult=''; |
my $qresult=''; |
if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT,0640)) { |
if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_READER,0640)) { |
for ($i=0;$i<=$#queries;$i++) { |
for ($i=0;$i<=$#queries;$i++) { |
$qresult.="$hash{$queries[$i]}&"; |
$qresult.="$hash{$queries[$i]}&"; |
} |
} |
Line 843 sub make_new_child {
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Line 960 sub make_new_child {
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} else { |
} else { |
print $client "error:$!\n"; |
print $client "error:$!\n"; |
} |
} |
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# ---------------------------------------------------------------------- tmpput |
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} elsif ($userinput =~ /^tmpput/) { |
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my ($cmd,$what)=split(/:/,$userinput); |
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my $store; |
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$tmpsnum++; |
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my $id=$$.'_'.$clientip.'_'.$tmpsnum; |
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$id=~s/\W/\_/g; |
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$what=~s/\n//g; |
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my $execdir=$perlvar{'lonDaemons'}; |
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if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) { |
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print $store $what; |
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close $store; |
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print $client "$id\n"; |
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} |
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else { |
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print $client "error:$!\n"; |
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} |
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# ---------------------------------------------------------------------- tmpget |
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} elsif ($userinput =~ /^tmpget/) { |
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my ($cmd,$id)=split(/:/,$userinput); |
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chomp($id); |
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$id=~s/\W/\_/g; |
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my $store; |
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my $execdir=$perlvar{'lonDaemons'}; |
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if ($store=IO::File->new("$execdir/tmp/$id.tmp")) { |
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my $reply=<$store>; |
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print $client "$reply\n"; |
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close $store; |
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} |
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else { |
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print $client "error:$!\n"; |
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} |
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# -------------------------------------------------------------------------- ls |
# -------------------------------------------------------------------------- ls |
} elsif ($userinput =~ /^ls/) { |
} elsif ($userinput =~ /^ls/) { |
my ($cmd,$ulsdir)=split(/:/,$userinput); |
my ($cmd,$ulsdir)=split(/:/,$userinput); |
Line 856 sub make_new_child {
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Line 1007 sub make_new_child {
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} else { |
} else { |
$ulsout='no_such_dir'; |
$ulsout='no_such_dir'; |
} |
} |
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if ($ulsout eq '') { $ulsout='empty'; } |
print $client "$ulsout\n"; |
print $client "$ulsout\n"; |
# ------------------------------------------------------------- unknown command |
# ------------------------------------------------------------- unknown command |
} else { |
} else { |