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Adapted fuzzer for launch.

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BUG=

Review URL: https://webrtc-codereview.appspot.com/813006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2787 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
phoglund@webrtc.org 2012-09-19 13:44:50 +00:00
parent ef33fc431c
commit daf32a4cb9
3 changed files with 53 additions and 25 deletions
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8
src/test/fuzz/peerconnection/corpus/template.html
View File

@ -11,8 +11,8 @@
<html>
<head>
<title>WebRTC PeerConnection Fuzz Test Template</title>
<script type="text/javascript" src="random.js"></script>
<script type="text/javascript" src="fuzz_sdp.js"></script>
INCLUDE_RANDOM_JS
INCLUDE_FUZZ_SDP_JS
<script type="text/javascript">
var gFirstConnection = null;
var gSecondConnection = null;
@ -20,7 +20,6 @@
// Variables in caps are filled in by the fuzzer.
var gTransformOfferSdp = TRANSFORM_OFFER_SDP;
var gTransformAnswerSdp = TRANSFORM_ANSWER_SDP;
var gRandomRolls = ARRAY_OF_RANDOM_ROLLS;
function startTest() {
navigator.webkitGetUserMedia(REQUEST_AUDIO_AND_VIDEO,
@ -99,6 +98,9 @@
setRandomRolls(gRandomRolls);
startTest();
}
// This variable is placed here since its value is pretty big.
var gRandomRolls = ARRAY_OF_RANDOM_ROLLS;
</script>
</head>
<body>

44
src/test/fuzz/peerconnection/fuzz_main_run.py
View File

@ -16,24 +16,50 @@ import sys
import tempfile
import time
from common.fuzz_parameters import FillInParameter
import peerconnection_fuzz
# TODO(phoglund): remove duplication wrt getusermedia once this code stabilizes.
def ReadFile(input_dir, file):
file_handle = open(os.path.join(input_dir, file))
def _ReadFile(path):
file_handle = open(path)
file_data = file_handle.read()
file_handle.close()
return file_data
def GenerateData(input_dir):
template = ReadFile(input_dir, 'template.html')
file_extension = 'html'
def _Indent(file_data, num_spaces):
spaces = ' ' * num_spaces
return spaces + file_data.replace('\n', '\n' + spaces)
def _IncludeJsFile(js_include_to_replace, js_path, file_data):
js_file_data = _ReadFile(js_path)
js_file_data = _Indent(js_file_data, 4)
js_file_data = (' <script type="text/javascript">\n' +
js_file_data + '\n </script>\n')
return FillInParameter(js_include_to_replace, js_file_data, file_data)
def GenerateData():
this_scripts_path = os.path.dirname(os.path.realpath(__file__))
corpus_path = os.path.join(this_scripts_path, 'corpus');
template = _ReadFile(os.path.join(corpus_path, 'template.html'))
file_extension = 'html'
file_data = peerconnection_fuzz.Fuzz(template)
# Paste the javascript code in directly since it's hard to make javascript
# includes work without data bundles.
file_data = _IncludeJsFile('INCLUDE_RANDOM_JS',
os.path.join(corpus_path, 'random.js'),
file_data)
file_data = _IncludeJsFile('INCLUDE_FUZZ_SDP_JS',
os.path.join(corpus_path, 'fuzz_sdp.js'),
file_data)
return file_data, file_extension
@ -54,13 +80,13 @@ if __name__ == '__main__':
assert input_dir is not None, 'Missing "--input_dir" argument'
for file_no in range(no_of_files):
file_data, file_extension = GenerateData(input_dir)
file_data, file_extension = GenerateData()
file_data = file_data.encode('utf-8')
file_descriptor, file_path = tempfile.mkstemp(
prefix='fuzz-%d-%d' % (start_time, file_no),
prefix='fuzz-http-%d-%d' % (start_time, file_no),
suffix='.' + file_extension,
dir=output_dir)
file = os.fdopen(file_descriptor, 'wb')
print 'Writing %d bytes to "%s"' % (len(file_data), file_path)
print file_data
file.write(file_data.encode('utf-8'))
file.write(file_data)
file.close()

26
src/test/fuzz/peerconnection/peerconnection_fuzz.py
View File

@ -15,11 +15,11 @@ from common.fuzz_parameters import FillInParameter
from common.random_javascript import *
def ArrayOfRandomRolls(num_rolls):
def _ArrayOfRandomRolls(num_rolls):
return str([random.random() for x in xrange(num_rolls)])
def RandomAudioOrVideo():
def _RandomAudioOrVideo():
roll = random.random()
if roll < 0.5:
return '{ video: true, audio:true }'
@ -31,29 +31,29 @@ def RandomAudioOrVideo():
return '{ video: false, audio: true }'
def ReturnFirstArgument():
def _ReturnFirstArgument():
return 'function(arg) { return arg; }'
def ReturnRandomUtf8String():
def _ReturnRandomUtf8String():
unicode_glyphs = ''.join(unichr(char) for char in xrange(0x10ffff + 1)
if unicodedata.category(unichr(char))[0] in ('LMNPSZ'))
oh_dear = random.sample(unicode_glyphs, random.randint(50, 1500))
return 'function(arg) { return "%s"; }' % ''.join(oh_dear)
def ReturnFuzzedSdp():
def _ReturnFuzzedSdp():
return 'function(arg) { return fuzzSdp(arg); }'
def RandomSdpTransform():
def _RandomSdpTransform():
roll = random.random()
if roll < 0.1:
return ReturnRandomUtf8String()
return _ReturnRandomUtf8String()
elif roll < 0.5:
return ReturnFuzzedSdp()
return _ReturnFuzzedSdp()
else:
return ReturnFirstArgument()
return _ReturnFirstArgument()
def Fuzz(file_data):
@ -62,16 +62,16 @@ def Fuzz(file_data):
# Generate a bunch of random numbers and encode them into the page. Since the
# values get hard-coded into the page the page's choices will be reproducible.
file_data = FillInParameter('ARRAY_OF_RANDOM_ROLLS',
ArrayOfRandomRolls(500),
_ArrayOfRandomRolls(500),
file_data)
file_data = FillInParameter('REQUEST_AUDIO_AND_VIDEO',
RandomAudioOrVideo(),
_RandomAudioOrVideo(),
file_data)
file_data = FillInParameter('TRANSFORM_OFFER_SDP',
RandomSdpTransform(),
_RandomSdpTransform(),
file_data)
file_data = FillInParameter('TRANSFORM_ANSWER_SDP',
RandomSdpTransform(),
_RandomSdpTransform(),
file_data)
return file_data