diff options
Diffstat (limited to 'doc/application-framework.html')
| -rw-r--r-- | doc/application-framework.html | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/doc/application-framework.html b/doc/application-framework.html deleted file mode 100644 index 8d0e0e3..0000000 --- a/doc/application-framework.html +++ /dev/null @@ -1,94 +0,0 @@ -<!DOCTYPE html> -<html> -<head> - <meta charset="utf-8"> - <meta name="generator" content="pandoc"> - <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes"> - <meta name="author" content="José Bollo"> - <meta name="author" content="Fulup Ar Foll"> - <title>Application framework</title> - <style type="text/css">code{white-space: pre;}</style> - <link rel="stylesheet" href="doc.css"> - <!--[if lt IE 9]> - <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script> - <![endif]--> -</head> -<body> -<header> -<h1 class="title">Application framework</h1> -<h2 class="author">José Bollo</h2> -<h2 class="author">Fulup Ar Foll</h2> -<h3 class="date">24 juin 2016</h3> -</header> -<nav id="TOC"> -<ul> -<li><a href="#application-framework">Application framework</a><ul> -<li><a href="#foreword">Foreword</a></li> -<li><a href="#overview">Overview</a></li> -<li><a href="#comparison-to-other-frameworks">Comparison to other frameworks</a><ul> -<li><a href="#tizen-framework">Tizen framework</a></li> -<li><a href="#xdg-app">xdg-app</a></li> -<li><a href="#ostro">ostro</a></li> -</ul></li> -</ul></li> -<li><a href="#organization-of-directory-of-applications">organization of directory of applications</a><ul> -<li><a href="#identity-of-installed-files">Identity of installed files</a></li> -<li><a href="#labeling-the-directories-of-applications">labeling the directories of applications</a></li> -</ul></li> -<li><a href="#organization-of-data">organization of data</a></li> -<li><a href="#setting-smack-rules-for-the-application">Setting Smack rules for the application</a></li> -<li><a href="#what-user-can-run-an-application">What user can run an application?</a></li> -</ul> -</nav> -<h1 id="application-framework">Application framework</h1> -<h2 id="foreword">Foreword</h2> -<p>This document describes application framework fundamentals. FCF (Fully Conform to Specification) implementation is still under development. It may happen that current implementation somehow diverges with specifications.</p> -<h2 id="overview">Overview</h2> -<p>The application framework on top of the security framework provides components to install and uninstall applications as well as to run them in a secured environment.</p> -<p>The goal of the framework is to manage applications and hide security details to applications.</p> -<p>For the reasons explained in introduction, it was choose not to reuse Tizen application framework directly, but to rework a new framework inspired from Tizen.</p> -<p>fundamentals remain identical: the applications are distributed in a digitally signed container that should match widget specifications normalized by the W3C. This is described by the technical recommendations <a href="http://www.w3.org/TR/widgets" title="Packaged Web Apps">widgets</a> and <a href="http://www.w3.org/TR/widgets-digsig" title="XML Digital Signatures for Widgets">widgets-digsig</a> of the W3 consortium.</p> -<p>As today this model allows the distribution of HTML, QML and binary applications but it could be extended to any other class of applications.</p> -<p>The management of widget package signatures. Current model is only an initial step, it might be extended in the future to include new feature (ie: incremental delivery).</p> -<h2 id="comparison-to-other-frameworks">Comparison to other frameworks</h2> -<h3 id="tizen-framework">Tizen framework</h3> -<h3 id="xdg-app">xdg-app</h3> -<h3 id="ostro">ostro</h3> -<h1 id="organization-of-directory-of-applications">organization of directory of applications</h1> -<p>The main path for applications are: APPDIR/PKGID/VER.</p> -<p>Where:</p> -<ul> -<li>APPDIR is as defined above</li> -<li>PKGID is a directory whose name is the package identifier</li> -<li>VER is the version of the package MAJOR.MINOR</li> -</ul> -<p>The advantage of such an organization is to allow several versions to live together. This is required for multiple reasons (ie: roll back) and to comply with developers habits.</p> -<h2 id="identity-of-installed-files">Identity of installed files</h2> -<p>All the files are installed as user "userapp" and group "userapp". All files have rw(x) for user and r-(x) for group and others.</p> -<p>This allows any user to read files.</p> -<h2 id="labeling-the-directories-of-applications">labeling the directories of applications</h2> -<h1 id="organization-of-data">organization of data</h1> -<p>The data of a user are contain within its directory and are labeled using the application labels</p> -<h1 id="setting-smack-rules-for-the-application">Setting Smack rules for the application</h1> -<p>For Tizen, the following rules are set by the security manager for each application.</p> -<pre><code>System ~APP~ rwx -System ~PKG~ rwxat -System ~PKG~::RO rwxat -~APP~ System wx -~APP~ System::Shared rxl -~APP~ System::Run rwxat -~APP~ System::Log rwxa -~APP~ _ l -User ~APP~ rwx -User ~PKG~ rwxat -User ~PKG~::RO rwxat -~APP~ User wx -~APP~ User::Home rxl -~APP~ User::App::Shared rwxat -~APP~ ~PKG~ rwxat -~APP~ ~PKG~::RO rxl</code></pre> -<p>Here, <sub>PKG</sub> is the identifier of the package and <sub>APP</sub> is the identifier of the application.</p> -<h1 id="what-user-can-run-an-application">What user can run an application?</h1> -<p>Not all user are able to run all applications. How to manage that?</p> -</body> -</html> |