The Tor Browser: netwerk/test/unit/test_duplicate_headers.js@a63d609f5ebe (annotated)

netwerk/test/unit/test_duplicate_headers.js@a63d609f5ebe (annotated)

netwerk/test/unit/test_duplicate_headers.js

Thu, 15 Jan 2015 15:55:04 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 15 Jan 2015 15:55:04 +0100
branch: TOR_BUG_9701
changeset 9: a63d609f5ebe
permissions: -rw-r--r--

Back out 97036ab72558 which inappropriately compared turds to third parties.

 /*
  * Tests bugs 597706, 655389: prevent duplicate headers with differing values
  * for some headers like Content-Length, Location, etc.
  */
 ////////////////////////////////////////////////////////////////////////////////
 // Test infrastructure
 Cu.import("resource://testing-common/httpd.js");
 XPCOMUtils.defineLazyGetter(this, "URL", function() {
   return "http://localhost:" + httpserver.identity.primaryPort;
 });
 var httpserver = new HttpServer();
 var index = 0;
 var test_flags = new Array();
 var testPathBase = "/dupe_hdrs";
 function run_test()
 {
   httpserver.start(-1);
   do_test_pending();
   run_test_number(1);
 }
 function run_test_number(num)
 {
   testPath = testPathBase + num;
   httpserver.registerPathHandler(testPath, eval("handler" + num));
   var channel = setupChannel(testPath);
   flags = test_flags[num];   // OK if flags undefined for test
   channel.asyncOpen(new ChannelListener(eval("completeTest" + num),
                                         channel, flags), null);
 }
 function setupChannel(url)
 {
   var ios = Components.classes["@mozilla.org/network/io-service;1"].
                        getService(Ci.nsIIOService);
   var chan = ios.newChannel(URL + url, "", null);
   var httpChan = chan.QueryInterface(Components.interfaces.nsIHttpChannel);
   return httpChan;
 }
 function endTests()
 {
   httpserver.stop(do_test_finished);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Test 1: FAIL because of conflicting Content-Length headers
 test_flags[1] = CL_EXPECT_FAILURE;
 function handler1(metadata, response)
 {
   var body = "012345678901234567890123456789";
   // Comrades!  We must seize power from the petty-bourgeois running dogs of
   // httpd.js in order to reply with multiple instances of the same header!
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Content-Length: 20\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest1(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
   run_test_number(2);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Test 2: OK to have duplicate same Content-Length headers
 function handler2(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest2(request, data, ctx)
 {
   do_check_eq(request.status, 0);
   run_test_number(3);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Test 3: FAIL: 2nd Content-length is blank
 test_flags[3] = CL_EXPECT_FAILURE;
 function handler3(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Content-Length:\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest3(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
   run_test_number(4);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Test 4: ensure that blank C-len header doesn't allow attacker to reset Clen,
 // then insert CRLF attack
 test_flags[4] = CL_EXPECT_FAILURE;
 function handler4(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   // Bad Mr Hacker!  Bad!
   var evilBody = "We are the Evil bytes, Evil bytes, Evil bytes!";
   response.write("Content-Length:\r\n");
   response.write("Content-Length: %s\r\n\r\n%s" % (evilBody.length, evilBody));
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest4(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
   run_test_number(5);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Test 5: ensure that we take 1st instance of duplicate, nonmerged headers that
 // are permitted : (ex: Referrer)
 function handler5(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Referer: naive.org\r\n");
   response.write("Referer: evil.net\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest5(request, data, ctx)
 {
   try {
     referer = request.getResponseHeader("Referer");
     do_check_eq(referer, "naive.org");
   } catch (ex) {
     do_throw("Referer header should be present");
   }
   run_test_number(6);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Test 5: FAIL if multiple, different Location: headers present
 // - needed to prevent CRLF injection attacks
 test_flags[6] = CL_EXPECT_FAILURE;
 function handler6(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 301 Moved\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Location: " + URL + "/content\r\n");
   response.write("Location: http://www.microsoft.com/\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest6(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
 //  run_test_number(7);   // Test 7 leaking under e10s: unrelated bug?
   run_test_number(8);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Test 7: OK to have multiple Location: headers with same value
 function handler7(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 301 Moved\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   // redirect to previous test handler that completes OK: test 5
   response.write("Location: " + URL + testPathBase + "5\r\n");
   response.write("Location: " + URL + testPathBase + "5\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest7(request, data, ctx)
 {
   // for some reason need this here
   request.QueryInterface(Components.interfaces.nsIHttpChannel);
   try {
     referer = request.getResponseHeader("Referer");
     do_check_eq(referer, "naive.org");
   } catch (ex) {
     do_throw("Referer header should be present");
   }
   run_test_number(8);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // FAIL if 2nd Location: headers blank
 test_flags[8] = CL_EXPECT_FAILURE;
 function handler8(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 301 Moved\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   // redirect to previous test handler that completes OK: test 4
   response.write("Location: " + URL + testPathBase + "4\r\n");
   response.write("Location:\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest8(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
   run_test_number(9);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Test 9: ensure that blank Location header doesn't allow attacker to reset,
 // then insert an evil one
 test_flags[9] = CL_EXPECT_FAILURE;
 function handler9(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 301 Moved\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   // redirect to previous test handler that completes OK: test 2
   response.write("Location: " + URL + testPathBase + "2\r\n");
   response.write("Location:\r\n");
   // redirect to previous test handler that completes OK: test 4
   response.write("Location: " + URL + testPathBase + "4\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest9(request, data, ctx)
 {
   // All redirection should fail:
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
   run_test_number(10);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Test 10: FAIL:  if conflicting values for Content-Dispo
 test_flags[10] = CL_EXPECT_FAILURE;
 function handler10(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Content-Disposition: attachment; filename=foo\r\n");
   response.write("Content-Disposition: attachment; filename=bar\r\n");
   response.write("Content-Disposition: attachment; filename=baz\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest10(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
   run_test_number(11);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Test 11: OK to have duplicate same Content-Disposition headers
 function handler11(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Content-Disposition: attachment; filename=foo\r\n");
   response.write("Content-Disposition: attachment; filename=foo\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest11(request, data, ctx)
 {
   do_check_eq(request.status, 0);
   try {
     var chan = request.QueryInterface(Ci.nsIChannel);
     do_check_eq(chan.contentDisposition, chan.DISPOSITION_ATTACHMENT);
     do_check_eq(chan.contentDispositionFilename, "foo");
     do_check_eq(chan.contentDispositionHeader, "attachment; filename=foo");
   } catch (ex) {
     do_throw("error parsing Content-Disposition: " + ex);
   }
   run_test_number(12);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Bug 716801 OK for Location: header to be blank
 function handler12(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Location:\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest12(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_OK);
   do_check_eq(30, data.length);
   run_test_number(13);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Negative content length is ok
 test_flags[13] = CL_ALLOW_UNKNOWN_CL;
 function handler13(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: -1\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest13(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_OK);
   do_check_eq(30, data.length);
   run_test_number(14);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // leading negative content length is not ok if paired with positive one
 test_flags[14] = CL_EXPECT_FAILURE | CL_ALLOW_UNKNOWN_CL;
 function handler14(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: -1\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest14(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
   run_test_number(15);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // trailing negative content length is not ok if paired with positive one
 test_flags[15] = CL_EXPECT_FAILURE | CL_ALLOW_UNKNOWN_CL;
 function handler15(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Content-Length: -1\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest15(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
   run_test_number(16);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // empty content length is ok
 test_flags[16] = CL_ALLOW_UNKNOWN_CL;
 reran16 = false;
 function handler16(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: \r\n");
   response.write("Cache-Control: max-age=600\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest16(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_OK);
   do_check_eq(30, data.length);
   if (!reran16) {
     reran16 = true;
     run_test_number(16);
   }
  else {
    run_test_number(17);
  }
 }
 ////////////////////////////////////////////////////////////////////////////////
 // empty content length paired with non empty is not ok
 test_flags[17] = CL_EXPECT_FAILURE | CL_ALLOW_UNKNOWN_CL;
 function handler17(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: \r\n");
   response.write("Content-Length: 30\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest17(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
   run_test_number(18);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // alpha content-length is just like -1
 test_flags[18] = CL_ALLOW_UNKNOWN_CL;
 function handler18(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: seventeen\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest18(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_OK);
   do_check_eq(30, data.length);
   run_test_number(19);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // semi-colons are ok too in the content-length
 test_flags[19] = CL_ALLOW_UNKNOWN_CL;
 function handler19(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 200 OK\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30;\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest19(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_OK);
   do_check_eq(30, data.length);
   run_test_number(20);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // FAIL if 1st Location: header is blank, followed by non-blank
 test_flags[20] = CL_EXPECT_FAILURE;
 function handler20(metadata, response)
 {
   var body = "012345678901234567890123456789";
   response.seizePower();
   response.write("HTTP/1.0 301 Moved\r\n");
   response.write("Content-Type: text/plain\r\n");
   response.write("Content-Length: 30\r\n");
   // redirect to previous test handler that completes OK: test 4
   response.write("Location:\r\n");
   response.write("Location: " + URL + testPathBase + "4\r\n");
   response.write("Connection: close\r\n");
   response.write("\r\n");
   response.write(body);
   response.finish();
 }
 function completeTest20(request, data, ctx)
 {
   do_check_eq(request.status, Components.results.NS_ERROR_CORRUPTED_CONTENT);
   endTests();
 }