1. zip file Directory Traversal introductionBecause the ZIP archive is allowed to exist in the package file ". /"string, an attacker could take advantage of multiple". /"Change the location of a file in the ZIP package when extracting, overwriting the application's original file." If the overwritten file is a dynamically linked so, Dex, or Odex file, the light ge
Java implementation Zip decompression and compression is basically using the Java peptide and recursive technology, can be a single file and any Cascade folder compression and decompression, for some beginners is a good example.Zip plays archive and compresses two roles; gzip does not archive files, only compresses individual files, so on UNIX platforms, command tar is typically used to create an archive file and then command gzip to compress the arch
Tip:
This article briefly introduces the zip interface in JDK. However, the zip operation interface provided by JDK is very imperfect, neither Chinese nor password is supported, so the availability is not high.
If you need to process ZIP files in a Java environment, zip4j, an open-source project, is recommended. zip4j supports multiple encryption and compression
Example: compressing the contents of the current directory on the server as a xxx.zip fileZip-r xxx.zip./*Unzip the zip file to the current directoryUnzip Filename.zip============================Another: Some servers do not install the ZIP package does not execute the zip command, but basically can be used with the tar command, the example is as follows:tar-zcvf/
The best. NET open-source free ZIP library DotNetZip (. NET Component Introduction 3) and zipdotnetzip
In project development, apart from displaying data, you can perform file-related operations, such as file creation and deletion, File compression, and decompression. There are many benefits of File compression, mainly in the aspect of file transmission, the benefits of File compression do not need to be described in detail, because both developers an
Share a Zip () function usage under Python today.Zip () is an intrinsic function of Python that takes a series of iterated objects as parameters, combining the corresponding elements in the object in order into a tuple, each of which contains elements of the corresponding ordinal position in the original sequence, and then returns a list of these tuples. If the length of the passed parameter is not equal, the length of the returned list is the same as
Extract files from zip files The code is as follows:Copy code /*Php extracts files from zip files*/$ Zip = new ZipArchive; If ($ zip-> open('jquery5-screen scroll corner code .zip ') === TRUE) {// The Chinese file name must use the ANSI-encoded file format$
, initializer=none):it = iter (iterable)If initializer is None:Value = Next (it)ElseValue = initializerfor element in It:Value = function (value, Element)return value>>> functools.reduce (lambda x, y:x+y, [1,2,3,4])10>>> functools.reduce (lambda x, y:x+y, [1,2,3,4], 10)20>>> functools.reduce (lambda x, y:x*y, [1,2,3,4])24If there is no initial parameter, this is calculated as: ((((1+2) +3) +4)If there is a initial parameter, this is calculated as: ((((((10+1) +2) +3) +4)note: function functions
1. zip file directory Traversal introductionBecause the ZIP archive is allowed to exist in the package file ". /"string, an attacker could take advantage of multiple". /"Change the location of a file in the ZIP package when extracting, overwriting the application's original file." If the overwritten file is a dynamically linked so, Dex, or Odex file, the light ge
PhpZip File function
Introduction to PHP Zip FileThe zip file function allows you to read compressed files.
InstallationTo run the Zip File function on the server, you must install these libraries:
Guido Draheim's zziplib library: Download Zziplib Library
Zip pelc extension: Download
Use TbsZip to compress Zip files
CreateNew(); // start a new empty archive for adding files// or$zip->Open('an_existing_archive.zip'); // open an existing archive for reading and/or modifying// --------------------------------------------------// Reading information and data in the opened archive// --------------------------------------------------// check if a file is existing in the archive, the name must
The compressed files in linuxlinuxinclude .tar.gz,.zip,.gz. in linux, you must renew the days when .rar is absent. The following example shows how to package the full file name generated after tar-zcvf/home/files.tar.gz/filestar-zcvf is packed: package the/files folder and generate a/home/files.tar.gz file. Z
The compressed files in linuxlinuxinclude .tar.gz,.zip,.gz. in linux, you must renew the days when
InstallationTo run the Zip File function on the server, you must install these libraries:
Guido Draheim's zziplib library: Download Zziplib Library
Zip pelc extension: Download zip pelc extension
Installing on a Linux systemPHP 5+: The ZIP function and zip
7-Zip is a compression software that claims to have the highest compression ratio today. It not only supports the unique 7z file format, but also supports a variety of other compression file formats, including ZIP, RAR, CAB, GZIP, BZIP2, and TAR. The compression ratio of this software is 30-50% higher than that of common ZIP files. Therefore, it can compress file
Php zip compression code
$ Error = ""; // error holder
If (isset ($ _ POST ['createpdf ']) {
$ Post =$ _ POST;
$ File_folder = "files/"; // folder to load files
If (extension_loaded ('Zip') {// Checking zip extension is available
If (isset ($ post ['Files']) and count ($ post ['Files'])> 0) {// Checking f
If you are using php versions earlier than php5.2 and cannot use the ZipArchive class, you only need php5.2 and later versions to conveniently use the ZipArchive class to decompress and compress zip files, the following is a small series for you to introduce. If you are using php versions earlier than php5.2 and cannot use the ZipArchive class, you only need php5.2 and later versions to conveniently use the ZipArchive class to decompress and compress
One, zipZip, is to combine the two lists, if you want to loop 2 list at the same time, you can use the zip, will help you rotate the two listFor example: L1=[1,2,3,4,5]l2=['a','b','C','D','e'] forA, binchZip (l1,l2):Print(A, b)#The result is1 A1 A3 C3 C5 eIf the length of the two list is inconsistent, it is based on a small lengthFor example: L1=[1,2,3,4]l2=['a','b','C','D','e'] forA, binchZip (l1,l2):Print(A, b)#To get the result is1 A2 b3 C4 DSecond
I want to transfer files between servers, use the SCP tool, and the zip tool is useful when the file is large or needs to transfer many files. Network analysis Tools The MTR is also commonly used.Readers can look at the next man information for comparison.1. Compress the files into soft.zip filesZip–r Soft.zip apr-1.5.1.tar.gz cmake-2.8.12.2.tar.gz/app/backup/2. SCP Tool Transfer fileScp-p 2201 Soft.zip Test@10.10.1.2:/database/backupRSA key fingerpri
The compress "..." in the Finder is very useful, but there are also times when there are problems, and often packaging will include some. Ds_store file,. Ds_store is a file that stores the basic information of the current directory in the Apple system, including information such as the location of the icon, the way it is displayed. Each directory will have a Destop.ini or thumbs.db similar to the Windows platform.If you do not want to. Ds_store or __macosx ... Or. svn and so on, you can open ter
When unzip Xx.zip directly under Linux, there is always a garbled problem, because files that are compressed on windows are compressed with the default encoding of Chinese in Windows. Because the zip file does not declare its encoding, unzip on Linux is generally extracted by default encoding, the Chinese file name will appear garbled.The workaround is to:1, extract the specified code: Unzip-o CP936 Xx.zip2. In the environment variable, specify the un
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