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When Greenstone is installed, default values are assigned to many parameters. Certain aspects of a digital library site need to be determined individually for each installation. Collections are completely self-contained. ![]() Each collection corresponds to a sub-folder of collect. The Librarian interface maintains a small amount of information that is specific to each particular user. Perl programming language code#The source code is distributed across three folders: build-src, runtime-src, and common-src, the last containing code that both parts of Greenstone need. The build-time code is primarily written in Perl but calls upon some external C modules. The runtime system is written in the C++ language. The perllib folder near the end contains program modules that are used by the building scripts. The same is true for the programs in the java folder. The script sub-folder holds the programs used to create, build, and rebuild collections, which are written in the Perl programming language and therefore platform independent. Greenstone collections are self-contained nuggets of information. This chapter describes the production version of Greenstone for accessing home page and searching or browsing them. Perl programming language how to#Nichols, in How to Build a Digital Library (Second Edition), 2010 Publisher Summary Īs a whole Format string vulnerability attacks fall into three general categories: denial-of-service, reading, and writing. This is assuming that the corresponding argument exists and is of type int ∗. Attackers may also place arbitrary data to arbitrary locations using the %n format token, which commands printf() and similar functions to write back the number of bytes formatted. It is also possible that an attacker with less than honorable intentions can use aspects of the language such as the %s and %x format tokens, as well as others, to print data from the stack or possibly other locations in memory. In some cases even common languages and development frameworks such as Perl or C programming languages have functions that perform formatting, such as C’s printf(). In some applications for example passing unfiltered input from the user to the application can result in the server acting in unintended ways including the divulging of configuration information. Vulnerabilities of this type are the result of unchecked or unfiltered user input or those situations where input from the user is solicited. Sean-Philip Oriyano, Robert Shimonski, in Client-Side Attacks and Defense, 2012 Format String Vulnerabilities ![]() Perl programming language software#Among the social features, they maintain a repository of patterns contributed to and organized by users.Īs with wikis, many types of repository software can be installed on servers and used to support a specific repository, or websites may choose to create their own repository code to support their specific needs. In a totally different domain, Ravelry ( ) is a community for knitters and crocheters. Their community website, CPAN ( ), is a repository for storing, managing, discussing, and providing access to the modules. For example, people who use the Perl programming language contribute “modules,” which are packages of code to perform specific functions, like accessing web pages, doing statistical analysis, or parsing text. Communities of programmers build collections of code. One large use of repositories is in the open-source software community. Jennifer Golbeck, in Analyzing the Social Web, 2013 RepositoriesĪ common way communities build shared resources is through building and curating collections of useful items. ![]()
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