tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_bug381412.euc_jp.js (2530B)

      1 const charset = "EUC-JP";
      2 const ScriptableUnicodeConverter = Components.Constructor(
      3  "@mozilla.org/intl/scriptableunicodeconverter",
      4  "nsIScriptableUnicodeConverter"
      5 );
      6 var gConverter;
      7 
      8 function error(inString, outString, msg) {
      9  var dispIn = "";
     10  var dispOut = "";
     11  var i;
     12  for (i = 0; i < inString.length; ++i) {
     13    dispIn += " x" + inString.charCodeAt(i).toString(16);
     14  }
     15  if (!outString.length) {
     16    dispOut = "<empty>";
     17  } else {
     18    for (i = 0; i < outString.length; ++i) {
     19      dispOut += " x" + outString.charCodeAt(i).toString(16);
     20    }
     21  }
     22  dump('"' + dispIn + '" ==> "' + dispOut + '"\n');
     23  do_throw("security risk: " + msg);
     24 }
     25 
     26 function test(inString) {
     27  var outString = gConverter.ConvertToUnicode(inString) + gConverter.Finish();
     28 
     29  switch (outString.length) {
     30    case 0:
     31    case 1:
     32    case 2:
     33      error(inString, outString, "Unexpected error");
     34      break;
     35    case 3:
     36      error(inString, outString, "3 byte sequence eaten");
     37      break;
     38    case 4:
     39      if (
     40        outString.charCodeAt(0) < 0x80 &&
     41        outString.charCodeAt(1) < 0x80 &&
     42        outString.charCodeAt(2) < 0x80 &&
     43        outString.charCodeAt(3) < 0x80
     44      ) {
     45        error(inString, outString, "3 byte sequence converted to 1 ASCII");
     46      }
     47      break;
     48    case 5:
     49      if (
     50        outString != inString &&
     51        outString.charCodeAt(0) < 0x80 &&
     52        outString.charCodeAt(1) < 0x80 &&
     53        outString.charCodeAt(2) < 0x80 &&
     54        outString.charCodeAt(3) < 0x80 &&
     55        outString.charCodeAt(4) < 0x80
     56      ) {
     57        error(inString, outString, "3 byte sequence converted to 2 ASCII");
     58      }
     59      break;
     60    case 6:
     61      if (
     62        outString != inString &&
     63        outString.charCodeAt(0) < 0x80 &&
     64        outString.charCodeAt(1) < 0x80 &&
     65        outString.charCodeAt(2) < 0x80 &&
     66        outString.charCodeAt(3) < 0x80 &&
     67        outString.charCodeAt(4) < 0x80 &&
     68        outString.charCodeAt(5) < 0x80
     69      ) {
     70        error(inString, outString, "3 byte sequence converted to 3 ASCII");
     71      }
     72      break;
     73  }
     74 }
     75 
     76 function run_test() {
     77  gConverter = new ScriptableUnicodeConverter();
     78  gConverter.charset = charset;
     79 
     80  var byte1, byte2, byte3;
     81  for (byte1 = 1; byte1 < 0x100; ++byte1) {
     82    for (byte2 = 1; byte2 < 0x100; ++byte2) {
     83      if (byte1 == 0x8f) {
     84        for (byte3 = 1; byte3 < 0x100; ++byte3) {
     85          test(String.fromCharCode(byte1, byte2, byte3) + "foo");
     86        }
     87      } else {
     88        test(String.fromCharCode(byte1, byte2) + " foo");
     89      }
     90    }
     91  }
     92 }