docs/5.1-application-framework.md

   1 Comparison to other frameworks
   2 ------------------------------
   3
   4  - Tizen framework
   5
   6  - xdg-app
   7
   8  - ostro
   9
  10 ### Organization of directory of applications ###
  11
  12 The main path for applications are: APPDIR/PKGID/VER.
  13
  14 Where:
  15
  16  - APPDIR is as defined above
  17  - PKGID is a directory whose name is the package identifier
  18  - VER is the version of the package MAJOR.MINOR
  19
  20 The advantage of such an organization is to allow several versions to live together.
  21 This is required for multiple reasons (ie: roll back) and to comply with developers habits.
  22
  23 #### Identity of installed files ####
  24
  25 All the files are installed as user "userapp" and group "userapp".
  26 All files have rw(x) for user and r-(x) for group and others.
  27
  28 This allows any user to read files.
  29
  30
  31 #### Labeling the directories of applications ####
  32
  33
  34 ### Organization of data ###
  35
  36 The data of a user are contain within its directory and are labeled using the application labels
  37
  38 ### Setting Smack rules for the application ###
  39
  40 For Tizen, the following rules are set by the security manager for each application.
  41
  42     System ~APP~             rwx
  43     System ~PKG~             rwxat
  44     System ~PKG~::RO         rwxat
  45     ~APP~  System            wx
  46     ~APP~  System::Shared    rxl
  47     ~APP~  System::Run       rwxat
  48     ~APP~  System::Log       rwxa
  49     ~APP~  _                 l
  50     User   ~APP~             rwx
  51     User   ~PKG~             rwxat
  52     User   ~PKG~::RO         rwxat
  53     ~APP~  User              wx
  54     ~APP~  User::Home        rxl
  55     ~APP~  User::App::Shared rwxat
  56     ~APP~  ~PKG~             rwxat
  57     ~APP~  ~PKG~::RO         rxl
  58
  59 Here, ~PKG~ is the identifier of the package and ~APP~ is the identifier of the application.
  60
  61 ### What user can run an application? ###
  62
  63 Not all user are able to run all applications.
  64 How to manage that?
  65
  66 [meta-intel]:       https://github.com/01org/meta-intel-iot-security                "A collection of layers providing security technologies"
  67 [widgets]:          http://www.w3.org/TR/widgets                                    "Packaged Web Apps"
  68 [widgets-digsig]:   http://www.w3.org/TR/widgets-digsig                             "XML Digital Signatures for Widgets"
  69 [libxml2]:          http://xmlsoft.org/html/index.html                              "libxml2"
  70 [openssl]:          https://www.openssl.org                                         "OpenSSL"
  71 [xmlsec]:           https://www.aleksey.com/xmlsec                                  "XMLSec"
  72 [json-c]:           https://github.com/json-c/json-c                                "JSON-c"
  73 [d-bus]:            http://www.freedesktop.org/wiki/Software/dbus                   "D-Bus"
  74 [libzip]:           http://www.nih.at/libzip                                        "libzip"
  75 [cmake]:            https://cmake.org                                               "CMake"
  76 [security-manager]: https://wiki.tizen.org/wiki/Security/Tizen_3.X_Security_Manager "Security-Manager"
  77 [app-manifest]:     http://www.w3.org/TR/appmanifest                                "Web App Manifest"
  78 [tizen-security]:   https://wiki.tizen.org/wiki/Security                            "Tizen security home page"
  79 [tizen-secu-3]:     https://wiki.tizen.org/wiki/Security/Tizen_3.X_Overview         "Tizen 3 security overview"
  80
  81