| 1 | tdb | 1.1 | #!/usr/bin/perl | 
 
 
 
 
 | 2 |  |  |  | 
 
 
 
 
 | 3 |  |  | require CGI; | 
 
 
 
 
 | 4 |  |  |  | 
 
 
 
 
 | 5 |  |  | my $query = new CGI; | 
 
 
 
 
 | 6 |  |  |  | 
 
 
 
 
 | 7 |  |  | my ($n) = $query->param('n'); | 
 
 
 
 
 | 8 |  |  | my ($grep) = $query->param('grep'); | 
 
 
 
 
 | 9 |  |  |  | 
 
 
 
 
 | 10 |  |  | if (defined $grep) { | 
 
 
 
 
 | 11 |  |  | if ($grep eq "") { | 
 
 
 
 
 | 12 |  |  | $grepStr = ""; | 
 
 
 
 
 | 13 |  |  | } | 
 
 
 
 
 | 14 |  |  | else { | 
 
 
 
 
 | 15 |  |  | $grepStr = " | grep $grep"; | 
 
 
 
 
 | 16 |  |  | } | 
 
 
 
 
 | 17 |  |  | } | 
 
 
 
 
 | 18 |  |  | else { | 
 
 
 
 
 | 19 |  |  | $grep = ""; | 
 
 
 
 
 | 20 |  |  | } | 
 
 
 
 
 | 21 |  |  |  | 
 
 
 
 
 | 22 |  |  | if (!defined $n) { | 
 
 
 
 
 | 23 |  |  | $n = 50; | 
 
 
 
 
 | 24 |  |  | } | 
 
 
 
 
 | 25 |  |  |  | 
 
 
 
 
 
 
 
 | 26 | tdb | 1.2 | unless ($n =~ /^[0-9]{1,6}$/) { | 
 
 
 
 
 
 
 
 | 27 | tdb | 1.1 | $n = 50; | 
 
 
 
 
 | 28 |  |  | } | 
 
 
 
 
 | 29 |  |  |  | 
 
 
 
 
 | 30 |  |  | print "Content-type: text/html\n\n"; | 
 
 
 
 
 | 31 |  |  |  | 
 
 
 
 
 | 32 |  |  | my(@lines) = `tail -n$n ../www/server.log$grepStr`; | 
 
 
 
 
 | 33 |  |  |  | 
 
 
 
 
 | 34 |  |  | print <<"END"; | 
 
 
 
 
 | 35 |  |  | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> | 
 
 
 
 
 | 36 |  |  |  | 
 
 
 
 
 | 37 |  |  | <html> | 
 
 
 
 
 | 38 |  |  |  | 
 
 
 
 
 | 39 |  |  | <head> | 
 
 
 
 
 | 40 |  |  | <title>The i-scream Project Logfile Tailer</title> | 
 
 
 
 
 | 41 |  |  | <meta name="description" content="The i-scream Project is a central | 
 
 
 
 
 | 42 |  |  | monitoring system for Unix, Linux and NT servers."> | 
 
 
 
 
 | 43 |  |  | <meta name="keywords" content="i-scream, project, central monitoring | 
 
 
 
 
 | 44 |  |  | system, unix, linux, nt, server, alert"> | 
 
 
 
 
 | 45 |  |  | <meta name="generator" content="notepad on acid, aye."> | 
 
 
 
 
 | 46 |  |  | </head> | 
 
 
 
 
 | 47 |  |  |  | 
 
 
 
 
 | 48 |  |  | <body bgcolor="#ffffff" link="#0000ff" alink="#3333cc" vlink="#3333cc" | 
 
 
 
 
 | 49 |  |  | text="#000066"> | 
 
 
 
 
 | 50 |  |  |  | 
 
 
 
 
 | 51 |  |  | <a href="http://www.i-scream.org.uk"><img border="0" src="/i-scream.gif"></a> | 
 
 
 
 
 | 52 |  |  |  | 
 
 
 
 
 | 53 |  |  | <form method="GET" action="taillog.cgi"> | 
 
 
 
 
 | 54 |  |  | <font size="+1"><b> | 
 
 
 
 
 
 
 
 | 55 | tdb | 1.2 | Last <input type="text" name="n" value="$n" size="5" maxlength="5"> lines | 
 
 
 
 
 
 
 
 | 56 | tdb | 1.1 | of the server logfile. | 
 
 
 
 
 | 57 |  |  | | grep </b><input type="text" name="grep" value="$grep" size="20" maxlength="40"> | 
 
 
 
 
 | 58 |  |  | <input type="submit" value="Enter"> | 
 
 
 
 
 | 59 |  |  | </font> | 
 
 
 
 
 | 60 |  |  | </form> | 
 
 
 
 
 | 61 |  |  | <hr> | 
 
 
 
 
 | 62 |  |  | <pre> | 
 
 
 
 
 | 63 |  |  | END | 
 
 
 
 
 | 64 |  |  |  | 
 
 
 
 
 | 65 |  |  | foreach my $line (@lines) { | 
 
 
 
 
 | 66 |  |  | print HTML_encode($line); | 
 
 
 
 
 | 67 |  |  | } | 
 
 
 
 
 | 68 |  |  |  | 
 
 
 
 
 | 69 |  |  | print <<"END"; | 
 
 
 
 
 | 70 |  |  | </pre> | 
 
 
 
 
 | 71 |  |  | </body> | 
 
 
 
 
 | 72 |  |  |  | 
 
 
 
 
 | 73 |  |  | </html> | 
 
 
 
 
 | 74 |  |  | END | 
 
 
 
 
 | 75 |  |  |  | 
 
 
 
 
 | 76 |  |  | exit 0; | 
 
 
 
 
 | 77 |  |  |  | 
 
 
 
 
 | 78 |  |  | #------------------------------------------------------ | 
 
 
 
 
 | 79 |  |  | # sub HTML_encode | 
 
 
 
 
 | 80 |  |  | # | 
 
 
 
 
 | 81 |  |  | # escape HTML characters that may cause problems when | 
 
 
 
 
 | 82 |  |  | # shown either in the <body> or within text fields. | 
 
 
 
 
 | 83 |  |  | #------------------------------------------------------ | 
 
 
 
 
 | 84 |  |  | sub HTML_encode ($){ | 
 
 
 
 
 | 85 |  |  | my ($encoded) = @_; | 
 
 
 
 
 | 86 |  |  | $encoded =~ s/&/&/g; | 
 
 
 
 
 | 87 |  |  | $encoded =~ s/"/"/g; | 
 
 
 
 
 | 88 |  |  | $encoded =~ s/</</g; | 
 
 
 
 
 | 89 |  |  | $encoded =~ s/>/>/g; | 
 
 
 
 
 | 90 |  |  | $encoded =~ s/^(.{0})(.*core\.loggers\..*: started)$/<hr size=10 color=blue>$2/; | 
 
 
 
 
 
 
 
 | 91 | tdb | 1.3 | $encoded =~ s/(.*)] (.*)}:(.*)/$1] <i>$2}<\/i>:<b>$3<\/b>/; | 
 
 
 
 
 
 
 
 | 92 | tdb | 1.1 | return $encoded; | 
 
 
 
 
 | 93 |  |  | } | 
 
 
 
 
 | 94 |  |  |  |