pocorgtfo11.pdf

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require 'json'
require 'socket'
require 'uri'
=begin
%PDF-1.5
%ÐÔÅØ
9999 0 obj
<<
/Length 10944
>>
stream
=end
port = 8080
if ARGV.length > 0 then
  port = ARGV[0].to_i
end
v=TCPServer.new('',port)
html=DATA.read().encode('UTF-8', 'binary', :invalid => :replace, :undef => :replace).split(/<\/html>/)[0]+"</html>\n"
zip_contents = `unzip -l "#{__FILE__}"`
zip = []
indexes = {}
i=0
zip_contents.scan(/^\s*(\d+)\s+\d+-\d+-\d+\s+\d+:\d+\s+(.+[^\/])\s*$/).each do |m|
  zip << [m[0].to_i, m[1]]
  indexes[m[1]] = i
  i += 1
end
raw_zip = `unzip -p "#{__FILE__}"`.bytes.to_a
code = $?.exitstatus
if code != 0 then
  print "Error unzipping #{__FILE__}!  unzip exited with code #{code}\n"
  exit(code)
end
zip.each do |z|
  z << raw_zip[0..z[0]]
  raw_zip = raw_zip[z[0],raw_zip.length-z[0]]
end
raw_zip = nil
zip_index = {}
zip[indexes["index.txt"]][2].pack('c*').scan(/^"([^"]+)" +(.*)$/).each do |m|
  if indexes.has_key? m[0] then
    zip_index[m[0]] = m[1]
  end
end
indexes.keys.each do |i|
  if !zip_index.has_key? i then
    zip_index[i] = ""
  end
end
zip_index["index.txt"] = "a text version of this feelies index"
mime_types = {".pdf" => "application/pdf", ".txt" => "text/plain", ".png" => "image/png", ".bmp" => "image/bmp", ".jpg" => "image/jpeg", ".gif" => "image/gif", ".c" => "text/plain", ".py" => "text/plain", ".bib" => "text/plain"}
mime_types.default = "application/octet-stream"
print "Listening for connections on port #{port}.\nTo listen on a different port,\nre-run with the desired port as a command-line argument.\n\n"
loop do
  s=v.accept
  ip = Socket.unpack_sockaddr_in(s.getpeername)[1]
  request=s.gets
  if request != nil then
    request = request.split(' ')
  end
  begin
    if request == nil or request.length < 2 or request[0].upcase != "GET" then
      s.print "HTTP/1.1 400 Bad Request\r\nContent-Length: 0\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n"
      s.close
      next
    end
    req_filename = URI.unescape(request[1].sub(/^\//,""))
    print "A neighbor at #{ip} is requesting /#{req_filename}\n"
    if req_filename == "favicon.ico" then
      s.print "HTTP/1.1 404 Not Found\r\nContent-Length: 0\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n"
      s.close
      next
    elsif indexes.has_key? req_filename then
      feelie = zip[indexes[req_filename]]
      c=mime_types[feelie[1][-4,4].downcase]
      d=feelie[2].pack('c*')
      n=feelie[0]
    elsif req_filename == "ajax/feelies.json" then
      c="application/json"
      d=JSON.generate(zip_index)
      n=d.length
    elsif req_filename.downcase.end_with? ".pdf" then
      c="application/pdf"
      d=File.open(__FILE__).read
      n=File.size(__FILE__)
    else
      c="text/html"
      d=html
      n=html.length
    end
    s.print "HTTP/1.1 200 OK\r\nContent-Type: #{c}\r\nContent-Length: #{n}\r\nConnection: close\r\n\r\n"+d
    s.close
  rescue Errno::EPIPE
    print "Connection from #{ip} closed; broken pipe\n"
  end
end
__END__
<html>
  <head>
    <title>PoC&#8214;GTFO Issue 0x11</title>
    <link rel="icon" href="/favicon.png" type="image/png" />
    <style type="text/css">
.tree,
.tree ul {
  margin:0 0 0 1em;
  padding:0;
  list-style:none;
  color:#369;
  position:relative;
}
.tree ul {margin-left:.5em}
.tree:before,
.tree ul:before {
  content:"";
  display:block;
  width:0;
  position:absolute;
  top:0;
  bottom:0;
  left:0;
  border-left:1px solid;
}
.tree li {
  margin:0;
  padding:0 1.5em;
  line-height:2em;
  font-weight:bold;
  position:relative;
}
.tree li:before {
  content:"";
  display:block;
  width:10px;
  height:0;
  border-top:1px solid;
  margin-top:-1px;
  position:absolute;
  top:1em;
  left:0;
}
.tree li:last-child:before {
  background:white;
  height:auto;
  top:1em;
  bottom:0;
}
body{
  background-color: #999999;
}
#main{
  margin-left: auto;
  margin-right: auto;
  width: 80%;
  padding: 5mm;
}
.shadow {
  -moz-box-shadow: 3px 3px 4px #000;
  -webkit-box-shadow: 3px 3px 4px #000;
  box-shadow: 3px 3px 4px #000;
  /* For IE 8 */
  -ms-filter: "progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#000000')";
  /* For IE 5.5 - 7 */
  filter: progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#000000');
}
.page{
  vertical-align: top;
  padding: 0.5in;
  background-color: #ffffff;
  text-align: justify;
}
h1{
  text-align: center;
  font-size: 300%;
  line-height: 100%;
}
h2{
  font-size: 125%;
}
h3 {
  font-variant: small-caps;
  text-transform: uppercase;
  text-align: center;
  padding-top: 5mm;
  font-size: 80%;
}
.subtitle{
  text-align: center;
  font-variant: small-caps;
  text-transform: uppercase;
}
.subtitle small{
  font-size: 60%;
}
#download{
  font-size: 125%;
  text-align: center;
}
#download .link{
  display: inline-block;
  border-style: outset;
  padding: 5px;
}
#legal{
  border-style: solid none none none;
  font-size: 80%;
}
.contents{
  width: 60%;
  left: 20%;
  position: relative;
  padding: 20px;
}
.contents th{
  text-align: right;
  white-space: nowrap;
}
.contents .middle{
  max-width: 10%;
}
.contents td{
  text-align: left;
  white-space: nowrap;
  max-width: 45%;
}
    </style>
    <script>
      function load(url, callback) {
        var xhr;         
        if(typeof XMLHttpRequest !== 'undefined') {
          xhr = new XMLHttpRequest();
        } else {
            var versions = ["MSXML2.XmlHttp.5.0", 
                            "MSXML2.XmlHttp.4.0",
                            "MSXML2.XmlHttp.3.0", 
                            "MSXML2.XmlHttp.2.0",
                            "Microsoft.XmlHttp"]
             for(var i = 0, len = versions.length; i < len; i++) {
                try {
                    xhr = new ActiveXObject(versions[i]);
                    break;
                } catch(e) {}
             }
        }
        xhr.onreadystatechange = ensureReadiness;       
        function ensureReadiness() {
            if(xhr.readyState < 4) {
                return;
            }             
            if(xhr.status !== 200) {
                return;
            }
            if(xhr.readyState === 4) {
                callback(xhr);
            }           
        }
        xhr.open('GET', url, true);
        xhr.send('');
    }
    function loadFeelies(files) {
var feelies = document.getElementById("feelies");
feelies.style.display = "block";
var tree = document.getElementById("feeliestree");
for(var raw_filename in files) {
    var dirs = raw_filename.split('/');
    var filename = dirs[dirs.length-1];
    dirs = dirs.slice(0,-1);
    var parent = tree;
    for(var j=0; j<dirs.length; ++j) {
        var dirname = dirs[j];
        var child = null;
        for(var k=0; k<parent.childNodes.length; ++k) {
            if(parent.childNodes[k].id === dirname + "tree") {
                child = parent.childNodes[k].childNodes[1];
                break;
            }
        }
        if(child === null) {
            var li = document.createElement("li");
            li.appendChild(document.createTextNode(dirname));
            li.id = dirname + "tree";
            child = document.createElement("ul");
            li.appendChild(child);
            parent.appendChild(li);
        }
        parent = child;
    }
    var link = document.createElement("li");
    var a = document.createElement("a");
    a.href = "/" + raw_filename;
    a.appendChild(document.createTextNode(filename));
    link.appendChild(a);
    if(files[raw_filename] !== "") {
        link.appendChild(document.createTextNode(" \u2014 " + files[raw_filename]));
    }
    parent.appendChild(link);                                                 
}
    }
  </script>
  </head>
  <body>
    <div id="main" class="page shadow">
    <h1>International Journal of PoC&#8214;GTFO Issue 0x11</h1>
    <h2 class="subtitle">
      <small>In a Fit of Stubborn Optimism,</small><br />
      Pastor Manul Laphroaig<br />
      <small>and His Clever Crew</small></br >
      Set Sail Toward<br />
      <small>Welcoming Shores of</small><br />
      The Great Unknown!
    </h2>

    <div id="download">
      <span class="link"><a href="/pocorgtfo11.pdf">Click here</a> to download the PDF!</span>
    </div>
    <div style="clear: both"></div>

    <table class="contents">
      <tr>
        <th>11.1</th><td>Please Stand and Be Seated</td>
        <td class="middle"></td>
        <th>11.6</th><td>Phrasebook for ARM Cortex M</td>
      </tr>
      <tr>
        <th>11.2</th><td>In Praise of Junk Hacking</td>
        <td class="middle"></td>
        <th>11.7</th><td>Ghetto CFI for x86</td>
      </tr>      
      <tr>
        <th>11.3</th><td>Emulating Star Wars on a Vector Display</td>
        <td class="middle"></td>
        <th>11.8</th><td>Tourist&rsquo;s Guide to the MSP430</td>
      </tr>      
      <tr>
        <th>11.4</th><td>Tron in 512 Bytes</td>
        <td class="middle"></td>
        <th>11.9</th><td>This PDF is a Webserver</td>
      </tr>      
      <tr>
        <th>11.5</th><td>Defeating the E7 Protection</td>
        <td class="middle"></td>
        <th>11.10</th><td>In Memoriam: Ben &ldquo;bushing&rdquo; Byer</td>
      </tr>      
...
Plik z chomika:

TirNaNog
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pocorgtfo11.pdf

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