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fixed GH #2661: Poco::Zip::ZipArchive cannot load new tomcat.zip file

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This commit is contained in:
Günter Obiltschnig 2019-07-24 07:47:01 +02:00
parent 8329020858
commit d25b665194
1 changed files with 3 additions and 4 deletions
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5
Zip/src/ZipLocalFileHeader.cpp
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@ -126,7 +126,7 @@ void ZipLocalFileHeader::parse(std::istream& inp, bool assumeHeaderRead)
std::memcpy(_rawHeader, HEADER, ZipCommon::HEADER_SIZE); std::memcpy(_rawHeader, HEADER, ZipCommon::HEADER_SIZE);
} }
// read the rest of the header // read the rest of the header
inp.read(_rawHeader + ZipCommon::HEADER_SIZE, FULLHEADER_SIZE - ZipCommon::HEADER_SIZE); inp.read(_rawHeader + ZipCommon::HEADER_SIZE, FULLHEADER_SIZE - ZipCommon::HEADER_SIZE);
poco_assert (_rawHeader[VERSION_POS + 1]>= ZipCommon::HS_FAT && _rawHeader[VERSION_POS + 1] < ZipCommon::HS_UNUSED); poco_assert (_rawHeader[VERSION_POS + 1]>= ZipCommon::HS_FAT && _rawHeader[VERSION_POS + 1] < ZipCommon::HS_UNUSED);
poco_assert (getMajorVersionNumber() <= 4); // Allow for Zip64 version 4.5 poco_assert (getMajorVersionNumber() <= 4); // Allow for Zip64 version 4.5
@ -165,8 +165,7 @@ void ZipLocalFileHeader::parse(std::istream& inp, bool assumeHeaderRead)
if (id == ZipCommon::ZIP64_EXTRA_ID) if (id == ZipCommon::ZIP64_EXTRA_ID)
{ {
_forceZip64 = true; _forceZip64 = true;
poco_assert(size >= 8); if (size >= 8 && getUncompressedSizeFromHeader() == ZipCommon::ZIP64_MAGIC)
if (getUncompressedSizeFromHeader() == ZipCommon::ZIP64_MAGIC)
{ {
setUncompressedSize(ZipUtil::get64BitValue(ptr, 0)); setUncompressedSize(ZipUtil::get64BitValue(ptr, 0));
size -= 8; size -= 8;