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author | Jay Berkenbilt <ejb@ql.org> | 2021-11-02 22:54:10 +0100 |
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committer | Jay Berkenbilt <ejb@ql.org> | 2021-11-03 14:43:17 +0100 |
commit | 532a4f3d60f6981b22beb32e6ff688ec41f87e26 (patch) | |
tree | 73800f3a6da80171152df8c9236ce390bcd581f4 /libqpdf/QPDF_Stream.cc | |
parent | c491d9f6af8dd2ecfbc5bd70b2054e03ac2521ac (diff) | |
download | qpdf-532a4f3d60f6981b22beb32e6ff688ec41f87e26.tar.zst |
Detect recoverable but invalid zlib data streams (fixes #562)
Diffstat (limited to 'libqpdf/QPDF_Stream.cc')
-rw-r--r-- | libqpdf/QPDF_Stream.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libqpdf/QPDF_Stream.cc b/libqpdf/QPDF_Stream.cc index bc3b1b56..14659008 100644 --- a/libqpdf/QPDF_Stream.cc +++ b/libqpdf/QPDF_Stream.cc @@ -503,6 +503,14 @@ QPDF_Stream::pipeStreamData(Pipeline* pipeline, bool* filterp, { pipeline = decode_pipeline; } + Pl_Flate* flate = dynamic_cast<Pl_Flate*>(pipeline); + if (flate != nullptr) + { + flate->setWarnCallback([this](char const* msg, int code) { + warn(QPDFExc(qpdf_e_damaged_pdf, qpdf->getFilename(), + "", this->offset, msg)); + }); + } } } |