version 1.41, 2001/12/20 17:43:05
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version 1.46, 2002/06/18 15:04:05
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# 03/22/2001 Scott Harrison |
# 03/22/2001 Scott Harrison |
# 8/30 Gerd Kortemeyer |
# 8/30 Gerd Kortemeyer |
# 10/17,11/28,11/29,12/20 Scott Harrison |
# 10/17,11/28,11/29,12/20 Scott Harrison |
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# YEAR=2001 |
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# 5/11 Scott Harrison |
# |
# |
### |
### |
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## ORGANIZATION OF THIS PERL SCRIPT ## |
## ORGANIZATION OF THIS PERL SCRIPT ## |
## 1. Modules used ## |
## 1. Modules used ## |
## 2. Enable find subroutine ## |
## 2. Enable find subroutine ## |
## 3. Read httpd access.conf and get variables ## |
## 3. Read httpd config files and get variables ## |
## 4. Make sure that database can be accessed ## |
## 4. Make sure that database can be accessed ## |
## 5. Make sure this process is running from user=www ## |
## 5. Make sure this process is running from user=www ## |
## 6. Check if other instance is running ## |
## 6. Check if other instance is running ## |
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## ## |
## ## |
############################################################################### |
############################################################################### |
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use lib '/home/httpd/lib/perl/'; |
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use LONCAPA::Configuration; |
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use IO::Socket; |
use IO::Socket; |
use Symbol; |
use Symbol; |
use POSIX; |
use POSIX; |
Line 75 sub wanted {
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Line 80 sub wanted {
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$childmaxattempts=10; |
$childmaxattempts=10; |
$run =0;#running counter to generate the query-id |
$run =0;#running counter to generate the query-id |
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# ------------------------------------ Read httpd access.conf and get variables |
# -------------------------------- Read loncapa_apache.conf and loncapa.conf |
open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf"; |
my $perlvarref=LONCAPA::Configuration::read_conf('loncapa_apache.conf', |
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'loncapa.conf'); |
while ($configline=<CONFIG>) { |
my %perlvar=%{$perlvarref}; |
if ($configline =~ /PerlSetVar/) { |
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my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
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chomp($varvalue); |
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$perlvar{$varname}=$varvalue; |
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} |
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} |
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close(CONFIG); |
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# ------------------------------------- Make sure that database can be accessed |
# ------------------------------------- Make sure that database can be accessed |
{ |
{ |
Line 191 sub logthis {
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Line 189 sub logthis {
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my $local=localtime($now); |
my $local=localtime($now); |
print $fh "$local ($$): $message\n"; |
print $fh "$local ($$): $message\n"; |
} |
} |
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# ------------------------------------------------------------------ Course log |
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sub courselog { |
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my ($path,$command)=@_; |
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my %filters=(); |
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foreach (split(/\=/,&unescape($command))) { |
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my ($name,$value)=split(/\=/,$_); |
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$filters{$name}=$value; |
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} |
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my @results=(); |
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open(IN,$path.'/activity.log') or return ('file_error'); |
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while ($line=<IN>) { |
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chomp($line); |
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my ($timestamp,$host,$log)=split(/\:/,$line); |
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foreach (split(/\&/,&unescape($log))) { |
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my ($res,$uname,$udom,$action,$values)=split(/\:/,$_); |
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my $include=1; |
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} |
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} |
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close IN; |
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return join('&',sort(@results)); |
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} |
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# -------------------------------------------------------------------- User log |
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sub userlog { |
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my ($path,$command)=@_; |
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my %filters=(); |
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foreach (split(/\=/,&unescape($command))) { |
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my ($name,$value)=split(/\=/,$_); |
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$filters{$name}=$value; |
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} |
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my @results=(); |
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open(IN,$path.'/activity.log') or return ('file_error'); |
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while ($line=<IN>) { |
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chomp($line); |
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my ($timestamp,$host,$log)=split(/\:/,$line); |
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$log=&unescape($log); |
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my $include=1; |
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if (($filters{'action'} eq 'log') && ($log!~/^Log/)) { $include=0; } |
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if ($include) { |
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push(@results,$timestamp.':'.$log); |
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} |
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} |
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close IN; |
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return join('&',sort(@results)); |
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} |
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# ---------------------------------------------------- Fork once and dissociate |
# ---------------------------------------------------- Fork once and dissociate |
$fpid=fork; |
$fpid=fork; |
exit if $fpid; |
exit if $fpid; |
Line 278 sub make_new_child {
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Line 326 sub make_new_child {
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my $userinput = <$client>; |
my $userinput = <$client>; |
chomp($userinput); |
chomp($userinput); |
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my ($conserver,$querytmp, |
my ($conserver,$query, |
$customtmp,$customshowtmp)=split(/&/,$userinput); |
$arg1,$arg2,$arg3)=split(/&/,$userinput); |
my $query=unescape($querytmp); |
my $query=unescape($query); |
my $custom=unescape($customtmp); |
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my $customshow=unescape($customshowtmp); |
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#send query id which is pid_unixdatetime_runningcounter |
#send query id which is pid_unixdatetime_runningcounter |
$queryid = $thisserver; |
$queryid = $thisserver; |
Line 292 sub make_new_child {
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Line 338 sub make_new_child {
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print $client "$queryid\n"; |
print $client "$queryid\n"; |
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&logthis("QUERY: $query"); |
&logthis("QUERY: $query"); |
&logthis("QUERY: $query"); |
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sleep 1; |
sleep 1; |
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my $result=''; |
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# ---------- At this point, query is received, query-ID assigned and sent back |
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# $query eq 'logquery' will mean that this is a query against log-files |
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if (($query eq 'userlog') || ($query eq 'courselog')) { |
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# ----------------------------------------------------- beginning of log query |
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# |
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# this goes against a user's log file |
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# |
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my $udom=&unescape($arg1); |
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my $uname=&unescape($arg2); |
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my $command=&unescape($arg3); |
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my $path=&propath($udom,$uname); |
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if (-e "$path/activity.log") { |
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if ($query eq 'userlog') { |
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$result=&userlog($path,$command); |
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} else { |
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$result=&courselog($path,$command); |
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} |
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} else { |
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&logthis('Unable to do log query: '.$uname.'@'.$udom); |
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$result='no_such_file'; |
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} |
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# ------------------------------------------------------------ end of log query |
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} else { |
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# -------------------------------------------------------- This is an sql query |
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my $custom=unescape($arg1); |
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my $customshow=unescape($arg2); |
#prepare and execute the query |
#prepare and execute the query |
my $sth = $dbh->prepare($query); |
my $sth = $dbh->prepare($query); |
my $result; |
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my @files; |
my @files; |
my $subsetflag=0; |
my $subsetflag=0; |
if ($query) { |
if ($query) { |
Line 373 sub make_new_child {
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Line 449 sub make_new_child {
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$result=join("&",@r2) unless $query; |
$result=join("&",@r2) unless $query; |
$result.=$customresult; |
$result.=$customresult; |
} |
} |
# reply with result |
# ------------------------------------------------------------ end of sql query |
$result.="\n" if $result; |
} |
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# result does need to be escaped |
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$result=&escape($result); |
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# reply with result, append \n unless already there |
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$result.="\n" unless ($result=~/\n$/); |
&reply("queryreply:$queryid:$result",$conserver); |
&reply("queryreply:$queryid:$result",$conserver); |
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} |
} |