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Make FLI image detection more stringent

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This commit is contained in:
cgohlke 2012-12-20 21:47:45 -08:00
parent 0b06bdcb2f
commit 11a859e7d3
1 changed files with 3 additions and 1 deletions
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4
PIL/FliImagePlugin.py
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@ -48,7 +48,9 @@ class FliImageFile(ImageFile.ImageFile):
# HEAD
s = self.fp.read(128)
magic = i16(s[4:6])
if magic not in [0xAF11, 0xAF12]:
if not (magic in [0xAF11, 0xAF12] and
i16(s[14:16]) in [0, 3] and # flags
s[20:22] == '\x00\x00'): # reserved
raise SyntaxError, "not an FLI/FLC file"
# image characteristics