Sharp Qtopia Desktop Spécifications télécharger pdf (Page 44)

SHARP CORPORATION

Sharp SL-series Zaurus “Qtopia” Development Start-up Guide

Ver 1.11, February 28, 2003, 44/63

Unless the application calls for root privilege to execute and perform expected results, it is strongly

recommended that developers should state ”

HidePrivilege = 1

” in its .desktop file so to hide this

checkbox from users for security reasons.

Note that this checkbox for “user” or “root” privilege configuration is set to OFF (meaning execute application by

the “user” privilege) by default for user and system security reasons. This default value cannot be configured to

ON by default, and thus users must set “root” privilege manually upon their decision.

Because the SL-5600 (and SL-C700, SL-B500) incorporates “user” privilege to execute processes or to access

files in the system to enhance the security features, you must be careful about permission restrictions when

running applications, accessing files already on the device, or creating new files on the Zaurus.

The “Add/Remove Software” on the SL-5600 runs with “root” privilege, and thus all files in the ipk packages can

be stored or made in any directories. However, when installed, the system will try to execute the application

binaries with “user” privileges, and thus applications will fail to access files and directories if the correct privilege

or permissions are not given. Appendix. A provides access permission list for the SL-5600.

You may want to use specific files (ipkg script files) to resolve this permission problem. See section 3.1.6. for the

ipkg script file details.

3.1.5. Creating ipk file

Once you’ve made the directory structure illustrated in section 3.1.1, and located all of the necessary files in the

corresponding directory, you are ready to create .ipk file for installation.

There is a useful tool in the developer community called “ipkg-build” to create the .ipk file. You may obtain this tool

from the following URL:

IPKG FIND: http://ipkgfind.handhelds.org/result.phtml?section=base

ipkg-build: http://ipkgfind.handhelds.org/details.phtml?package=ipkg-build&official=&format

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