intl/uconv/tests/unit/test_bug715319.euc_jp.js@97036ab72558
intl/uconv/tests/unit/test_bug715319.euc_jp.js
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 const charset = "EUC-JP";
2 const ScriptableUnicodeConverter =
3 Components.Constructor("@mozilla.org/intl/scriptableunicodeconverter",
4 "nsIScriptableUnicodeConverter");
5 var gConverter;
7 function error(inString, outString, msg) {
8 var dispIn = "";
9 var dispOut = "";
10 var i;
11 for (i = 0; i < inString.length; ++i) {
12 dispIn += " x" + inString.charCodeAt(i).toString(16);
13 }
14 if (outString.length == 0) {
15 dispOut = "<empty>";
16 } else {
17 for (i = 0; i < outString.length; ++i) {
18 dispOut += " x" + outString.charCodeAt(i).toString(16);
19 }
20 }
21 dump("\"" + dispIn + "\" ==> \"" + dispOut + "\"\n");
22 do_throw("security risk: " + msg);
23 }
25 function IsASCII(charCode) {
26 return (charCode <= 0x7e);
27 }
29 function IsNotGR(charCode) {
30 return (charCode < 0xa1 || charCode > 0xfe);
31 }
33 function test(inString) {
34 var outString = gConverter.ConvertToUnicode(inString) +
35 gConverter.Finish();
37 var outLen = outString.length;
38 if (IsASCII(inString.charCodeAt(1)) &&
39 inString.charCodeAt(1) != outString.charCodeAt(outLen - 5)) {
40 error(inString, outString, "ASCII second byte eaten");
41 } else if (IsASCII(inString.charCodeAt(2)) &&
42 inString.charCodeAt(2) != outString.charCodeAt(outLen - 4)) {
43 error(inString, outString, "ASCII third byte eaten");
44 } else if (inString.charCodeAt(0) == 0x8f &&
45 inString.charCodeAt(1) > 0x7f &&
46 IsNotGR(inString.charCodeAt(2)) &&
47 (!(outString.charCodeAt(outLen - 4) == 0xFFFD ||
48 outString.charCodeAt(outLen - 4) == inString.charCodeAt(2)))) {
49 error(inString, outString, "non-GR third byte eaten");
50 }
51 }
53 function run_test() {
54 gConverter = new ScriptableUnicodeConverter();
55 gConverter.charset = charset;
57 var byte1, byte2, byte3;
58 for (byte1 = 1; byte1 < 0x100; ++byte1) {
59 for (byte2 = 1; byte2 < 0x100; ++byte2) {
60 if (byte1 == 0x8f) {
61 for (byte3 = 1; byte3 < 0x100; ++byte3) {
62 test(String.fromCharCode(byte1, byte2, byte3) + "foo");
63 }
64 } else {
65 test(String.fromCharCode(byte1, byte2) + " foo");
66 }
67 }
68 }
69 }
