Re: zip freezes - how to handle corrupt CRC in zip-file

On Tue, August 14, 2007 5:42 am, ecc wrote: > i´m reading zip-files with the php zip-functions without a problem. > Now i > got and Zip containing an corrupt crc (If i open this file via winzip, > the > error is shown). > > It looks like the php functions for zip-handeling "zip_entry_read" and > "ZipArchive::getFrom..." do not quit on a bad crc checksum.... so > these > functions read in the file and than are in an infinite loop. Because i > use > PHP-GTK2 my tool feezes and the process has to be killed. On an > web-enviroment this could also a big problem ..... ok, user-zip > handeling on > web is not the best idea :-) > > I´ve found no way to find out, if an file in the zip file is an valid > or > corrupt entry. The output of "ZipArchive::statName" give me no info > about > the state of an entry. > > Is there any trick out there, how to manage this problem. Maybe this > is an > bug or missing feature in the zip extensions. Dont know! Perhaps checking the consistency with this ZIPARCHIVE::CHECKCONS flag would help. This is just a wild guess. -- Some people have a "gift" link here. Know what I want? I want you to buy a CD from some indie artist. http://cdbaby.com/browse/from/lynch Yeah, I get a buck. So?