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tdb |
1.1 |
#!/usr/bin/perl |
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require CGI; |
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my $query = new CGI; |
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my ($n) = $query->param('n'); |
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my ($grep) = $query->param('grep'); |
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if (defined $grep) { |
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if ($grep eq "") { |
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$grepStr = ""; |
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} |
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else { |
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tdb |
1.5 |
if ($grep =~ /^[a-zA-Z_\-0-9\.\/]+$/) { |
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tdb |
1.4 |
$grepStr = " | grep $grep"; |
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} |
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else { |
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$grepStr = ""; |
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} |
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tdb |
1.1 |
} |
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} |
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else { |
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$grep = ""; |
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} |
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if (!defined $n) { |
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$n = 50; |
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} |
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tdb |
1.2 |
unless ($n =~ /^[0-9]{1,6}$/) { |
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tdb |
1.1 |
$n = 50; |
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} |
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print "Content-type: text/html\n\n"; |
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my(@lines) = `tail -n$n ../www/server.log$grepStr`; |
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print <<"END"; |
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> |
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<html> |
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<head> |
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<title>The i-scream Project Logfile Tailer</title> |
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<meta name="description" content="The i-scream Project is a central |
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monitoring system for Unix, Linux and NT servers."> |
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<meta name="keywords" content="i-scream, project, central monitoring |
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system, unix, linux, nt, server, alert"> |
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<meta name="generator" content="notepad on acid, aye."> |
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</head> |
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<body bgcolor="#ffffff" link="#0000ff" alink="#3333cc" vlink="#3333cc" |
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text="#000066"> |
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<a href="http://www.i-scream.org.uk"><img border="0" src="/i-scream.gif"></a> |
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<form method="GET" action="taillog.cgi"> |
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<font size="+1"><b> |
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tdb |
1.2 |
Last <input type="text" name="n" value="$n" size="5" maxlength="5"> lines |
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tdb |
1.1 |
of the server logfile. |
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| grep </b><input type="text" name="grep" value="$grep" size="20" maxlength="40"> |
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<input type="submit" value="Enter"> |
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</font> |
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</form> |
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<hr> |
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<pre> |
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END |
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foreach my $line (@lines) { |
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print HTML_encode($line); |
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} |
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print <<"END"; |
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</pre> |
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</body> |
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</html> |
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END |
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exit 0; |
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#------------------------------------------------------ |
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# sub HTML_encode |
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# |
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# escape HTML characters that may cause problems when |
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# shown either in the <body> or within text fields. |
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#------------------------------------------------------ |
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sub HTML_encode ($){ |
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my ($encoded) = @_; |
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$encoded =~ s/&/&/g; |
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$encoded =~ s/"/"/g; |
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$encoded =~ s/</</g; |
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$encoded =~ s/>/>/g; |
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$encoded =~ s/^(.{0})(.*core\.loggers\..*: started)$/<hr size=10 color=blue>$2/; |
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tdb |
1.3 |
$encoded =~ s/(.*)] (.*)}:(.*)/$1] <i>$2}<\/i>:<b>$3<\/b>/; |
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tdb |
1.1 |
return $encoded; |
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} |
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