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authorEdwin Mons <edwin.mons@isode.com>2019-10-30 00:09:29 (GMT)
committerEdwin Mons <edwin.mons@isode.com>2019-10-30 00:17:42 (GMT)
commita616265f7a5a48c5769262027795f99df91a6ae8 (patch)
treeed7ebe35692083b599e58500a0067f7f14b6809e /Swiften/Presence
parent943f4cd11f35573e1af91be578cd058fac34b670 (diff)
downloadswift-a616265f7a5a48c5769262027795f99df91a6ae8.zip
swift-a616265f7a5a48c5769262027795f99df91a6ae8.tar.bz2
Fix libxml2 crash on certain invalid input
When the libxml2 parser is fed data with an odd combination of invalid input (triggering the parser to assume 2 or 4 byte encodings were in play), I/O errors might occur. In that case, the parser context will not have its internal error set, but the call to xmlParseChunk will return the right error. The parse() method now uses the output of xmlParseChunk directly instead of trying to obtain the error from the parser context afterwards. Encoding errors during parsing were emitted to stderr because the default error handlers were still in place. These have been replaced with custom handlers that suppress the output. Test-Information: Unit tests pass on Debian 9 Change-Id: Ie01db4be467e5197203c9d07d3356f5d44d8b9b4
Diffstat (limited to 'Swiften/Presence')
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