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When trying to tell if a PPT file is encrypted or not, try to avoid an AIOOB

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@568949 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2007-08-23 12:03:20 +00:00
parent 1998bb30a5
commit ac3c57b0d8
1 changed files with 9 additions and 4 deletions
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13
src/scratchpad/src/org/apache/poi/hslf/EncryptedSlideShow.java
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@ -91,10 +91,15 @@ public class EncryptedSlideShow
}
// Grab the details of the UserEditAtom there
Record r = Record.buildRecordAtOffset(
hss.getUnderlyingBytes(),
(int)cua.getCurrentEditOffset()
);
// If the record's messed up, we could AIOOB
Record r = null;
try {
r = Record.buildRecordAtOffset(
hss.getUnderlyingBytes(),
(int)cua.getCurrentEditOffset()
);
} catch(ArrayIndexOutOfBoundsException e) {}
if(r == null) { return null; }
if(! (r instanceof UserEditAtom)) { return null; }
UserEditAtom uea = (UserEditAtom)r;