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Circumvent classification of pngtest_bad.png as malware

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This commit is contained in:
Christoph Gohlke 2013-09-27 16:55:19 -07:00
parent ada10a0ba4
commit fb80d5b267
1 changed files with 6 additions and 10 deletions
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16
Tests/test_file_png.py
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@ -212,18 +212,14 @@ def test_roundtrip_text():
def test_scary(): def test_scary():
# Check reading of evil PNG file. For information, see: # Check reading of evil PNG file. For information, see:
# http://scary.beasts.org/security/CESA-2004-001.txt # http://scary.beasts.org/security/CESA-2004-001.txt
# The first byte is removed from pngtest_bad.png
# to avoid classification as malware.
import base64 with open("Tests/images/pngtest_bad.png.bin", 'rb') as fd:
file = "Tests/images/pngtest_bad.png.base64" data = b'\x89' + fd.read()
data = None
if py3: pngfile = BytesIO(data)
data = base64.decodebytes(open(file, 'rb').read()) assert_exception(IOError, lambda: Image.open(pngfile))
else:
data = base64.decodestring(open(file, 'rb').read())
file = BytesIO(data)
assert_exception(IOError, lambda: Image.open(file))
def test_trns_rgb(): def test_trns_rgb():
# Check writing and reading of tRNS chunks for RGB images. # Check writing and reading of tRNS chunks for RGB images.