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Support invalid TIFF headers

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Alexander 2017-08-21 17:09:35 +03:00
parent 8c64275156
commit 6422592196
1 changed files with 6 additions and 1 deletions
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7
PIL/TiffImagePlugin.py
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@ -241,7 +241,12 @@ OPEN_INFO = {
(MM, 8, (1,), 1, (8, 8, 8), ()): ("LAB", "LAB"), (MM, 8, (1,), 1, (8, 8, 8), ()): ("LAB", "LAB"),
} }
PREFIXES = [b"MM\000\052", b"II\052\000", b"II\xBC\000"] PREFIXES = [
b"MM\x00\x2A", # Valid TIFF header with big-endian byte order
b"II\x2A\x00", # Valid TIFF header with little-endian byte order
b"MM\x2A\x00", # Invalid TIFF header, probably big-endian
b"II\x00\x2A", # Invalid TIFF header, probably little-endian
]
def _accept(prefix): def _accept(prefix):