version 1.25, 2000/12/05 19:03:13
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version 1.39, 2001/03/22 15:06:01
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Line 9
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Line 9
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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 |
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# Jan 01 Scott Harrison |
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# 02/12 Gerd Kortemeyer |
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# 03/15 Scott Harrison |
# |
# |
# 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 |
Line 29 use Authen::Krb4;
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Line 32 use Authen::Krb4;
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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 { |
my ($signal)=@_; |
my ($error)=@_; |
$SIG{'QUIT'}='DEFAULT'; |
$SIG{'QUIT'}='DEFAULT'; |
$SIG{__DIE__}='DEFAULT'; |
$SIG{__DIE__}='DEFAULT'; |
&logthis("<font color=red>CRITICAL: " |
&logthis("<font color=red>CRITICAL: " |
."ABNORMAL EXIT. Child $$ for server $wasserver died through " |
."ABNORMAL EXIT. Child $$ for server $wasserver died through " |
."$signal with this parameter->[$@]</font>"); |
."a crash with this error msg->[$error]</font>"); |
if ($client) { print $client "error: $@\n"; } |
if ($client) { print $client "error: $error\n"; } |
die($@); |
die($error); |
} |
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# grabs exception and records it to log before exiting |
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# NOTE: we must NOT use the regular (non-overrided) die function in |
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# the code because a handler CANNOT be attached to it |
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# (despite what some of the documentation says about SIG{__DIE__}. |
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sub catchdie { |
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my ($message)=@_; |
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$SIG{'QUIT'}='DEFAULT'; |
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$SIG{__DIE__}='DEFAULT'; |
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&logthis("<font color=red>CRITICAL: " |
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."ABNORMAL EXIT. Child $$ for server $wasserver died through " |
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."\_\_DIE\_\_ with this parameter->[$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 |
Line 62 $SIG{__DIE__}=\&catchexception;
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Line 49 $SIG{__DIE__}=\&catchexception;
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# ------------------------------------ Read httpd access.conf and get variables |
# ------------------------------------ Read httpd access.conf and get variables |
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open (CONFIG,"/etc/httpd/conf/access.conf") |
open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf"; |
|| catchdie "Can't read access.conf"; |
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while ($configline=<CONFIG>) { |
while ($configline=<CONFIG>) { |
if ($configline =~ /PerlSetVar/) { |
if ($configline =~ /PerlSetVar/) { |
Line 74 while ($configline=<CONFIG>) {
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Line 60 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 78 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); |
Line 107 $server = IO::Socket::INET->new(LocalPor
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Line 102 $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: $@\n"; |
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# --------------------------------------------------------- Do global variables |
# --------------------------------------------------------- Do global variables |
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Line 140 sub HUPSMAN { # sig
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Line 135 sub HUPSMAN { # sig
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kill 'INT' => keys %children; |
kill 'INT' => keys %children; |
close($server); # free up socket |
close($server); # free up socket |
&logthis("<font color=red>CRITICAL: Restarting</font>"); |
&logthis("<font color=red>CRITICAL: Restarting</font>"); |
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unlink("$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 |
} |
} |
Line 290 sub ishome {
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Line 286 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 331 sub make_new_child {
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Line 327 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++; |
return; |
return; |
Line 348 sub make_new_child {
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Line 344 sub make_new_child {
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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; |
$tmpsnum=0; |
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Line 494 sub make_new_child {
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Line 490 sub make_new_child {
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my |
my |
($cmd,$udom,$uname,$upass,$npass)=split(/:/,$userinput); |
($cmd,$udom,$uname,$upass,$npass)=split(/:/,$userinput); |
chomp($npass); |
chomp($npass); |
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$upass=&unescape($upass); |
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$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 $passfilename) { |
Line 508 sub make_new_child {
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Line 506 sub make_new_child {
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$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 {
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Line 520 sub make_new_child {
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} else { |
} else { |
print $client "refused\n"; |
print $client "refused\n"; |
} |
} |
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# -------------------------------------------------------------------- makeuser |
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} elsif ($userinput =~ /^makeuser/) { |
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if ($wasenc==1) { |
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my |
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($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); |
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chomp($npass); |
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$npass=&unescape($npass); |
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my $proname=propath($udom,$uname); |
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my $passfilename="$proname/passwd"; |
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if (-e $passfilename) { |
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print $client "already_exists\n"; |
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} elsif ($udom ne $perlvar{'lonDefDomain'}) { |
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print $client "not_right_domain\n"; |
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} else { |
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@fpparts=split(/\//,$proname); |
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$fpnow=$fpparts[0].'/'.$fpparts[1].'/'.$fpparts[2]; |
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$fperror=''; |
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for ($i=3;$i<=$#fpparts;$i++) { |
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$fpnow.='/'.$fpparts[$i]; |
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unless (-e $fpnow) { |
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unless (mkdir($fpnow,0777)) { |
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$fperror="error:$!\n"; |
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} |
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} |
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} |
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unless ($fperror) { |
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if ($umode eq 'krb4') { |
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{ |
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my $pf = IO::File->new(">$passfilename"); |
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print $pf "krb4:$npass\n"; |
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} |
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print $client "ok\n"; |
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} elsif ($umode eq 'internal') { |
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my $salt=time; |
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$salt=substr($salt,6,2); |
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my $ncpass=crypt($npass,$salt); |
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{ |
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my $pf = IO::File->new(">$passfilename"); |
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print $pf "internal:$ncpass\n"; |
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} |
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print $client "ok\n"; |
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} elsif ($umode eq 'none') { |
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{ |
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my $pf = IO::File->new(">$passfilename"); |
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print $pf "none:\n"; |
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} |
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print $client "ok\n"; |
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} else { |
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print $client "auth_mode_error\n"; |
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} |
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} else { |
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print $client "$fperror\n"; |
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} |
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} |
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} else { |
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print $client "refused\n"; |
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} |
# ------------------------------------------------------------------------ home |
# ------------------------------------------------------------------------ home |
} elsif ($userinput =~ /^home/) { |
} elsif ($userinput =~ /^home/) { |
my ($cmd,$udom,$uname)=split(/:/,$userinput); |
my ($cmd,$udom,$uname)=split(/:/,$userinput); |
Line 565 sub make_new_child {
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Line 620 sub make_new_child {
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"LWP GET: $message for $fname ($remoteurl)"); |
"LWP GET: $message for $fname ($remoteurl)"); |
} else { |
} else { |
if ($remoteurl!~/\.meta$/) { |
if ($remoteurl!~/\.meta$/) { |
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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 606 sub make_new_child {
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Line 662 sub make_new_child {
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} else { |
} else { |
$now=time; |
$now=time; |
{ |
{ |
my sh; |
my $sh; |
if ($sh= |
if ($sh= |
IO::File->new(">$fname.$hostid{$clientip}")) { |
IO::File->new(">$fname.$hostid{$clientip}")) { |
print $sh "$clientip:$now\n"; |
print $sh "$clientip:$now\n"; |
Line 862 sub make_new_child {
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Line 918 sub make_new_child {
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$allkeys.=$key.':'; |
$allkeys.=$key.':'; |
$hash{"$version:$rid:$key"}=$value; |
$hash{"$version:$rid:$key"}=$value; |
} |
} |
$allkeys=~s/:$//; |
$hash{"$version:$rid:timestamp"}=$now; |
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$allkeys.='timestamp'; |
$hash{"$version:keys:$rid"}=$allkeys; |
$hash{"$version:keys:$rid"}=$allkeys; |
if (untie(%hash)) { |
if (untie(%hash)) { |
print $client "ok\n"; |
print $client "ok\n"; |
Line 908 sub make_new_child {
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Line 965 sub make_new_child {
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} |
} |
# ------------------------------------------------------------------- querysend |
# ------------------------------------------------------------------- querysend |
} elsif ($userinput =~ /^querysend/) { |
} elsif ($userinput =~ /^querysend/) { |
my ($cmd,$query)=split(/:/,$userinput); |
my ($cmd,$query,$custom)=split(/:/,$userinput); |
$query=~s/\n*$//g; |
$query=~s/\n*$//g; |
print $client sqlreply("$hostid{$clientip}\&$query")."\n"; |
print $client sqlreply("$hostid{$clientip}\&$query"). |
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"\n"; |
# ------------------------------------------------------------------ queryreply |
# ------------------------------------------------------------------ queryreply |
} elsif ($userinput =~ /^queryreply/) { |
} elsif ($userinput =~ /^queryreply/) { |
my ($cmd,$id,$reply)=split(/:/,$userinput); |
my ($cmd,$id,$reply)=split(/:/,$userinput); |