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

This commit is contained in:
Günter Obiltschnig 2019-07-24 07:47:01 +02:00
parent 8329020858
commit d25b665194

View File

@ -126,7 +126,7 @@ void ZipLocalFileHeader::parse(std::istream& inp, bool assumeHeaderRead)
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);
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
@ -139,7 +139,7 @@ void ZipLocalFileHeader::parse(std::istream& inp, bool assumeHeaderRead)
inp.read(buf.begin(), len);
_fileName = std::string(buf.begin(), len);
}
if (!searchCRCAndSizesAfterData())
{
_crc32 = getCRCFromHeader();
@ -165,8 +165,7 @@ void ZipLocalFileHeader::parse(std::istream& inp, bool assumeHeaderRead)
if (id == ZipCommon::ZIP64_EXTRA_ID)
{
_forceZip64 = true;
poco_assert(size >= 8);
if (getUncompressedSizeFromHeader() == ZipCommon::ZIP64_MAGIC)
if (size >= 8 && getUncompressedSizeFromHeader() == ZipCommon::ZIP64_MAGIC)
{
setUncompressedSize(ZipUtil::get64BitValue(ptr, 0));
size -= 8;