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BUG#: 9219

TITLE:Infrastructure for a web based administration interface

DESCRIPTION:

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Wed Oct 23 2013

What is webadmin?
=================
Pegasus webadmin interface provides a limited edition of administering the
cimserver through web. Currently, modification of cimserver config options
viewing the Providers registered and subscriptions view are supported. In
future, management of subscriptions and provider management will be added.
In OpenPegasus 2.14, Webadmin is still in a experimental vesrion and will
be improved in the future.

How to build pegasus for using webadmin?
========================================
Building source files for webadmin will need to build for both CIM-RS and
webadmin. CIM-RS is built as an integral part of server(not controlled by
by build macros) and webadmin i controlled by PEGASUS_ENABLE_PROTOCOL_WEB,
which is 'true by default'.
To disable it set PEGASUS_ENABLE_PROTOCOL_WEB=false.

What is relation between Webadmin and CIM-RS?
=============================================
webadmin interface's backbone is CIM-RS details at [1] and webserver facility
built on pegasus. CIM-RS accepts/yields payloads represented as JSON[2]. The 
response in JSON can be consumed by webserver easily, for example through 
javascripti, for displaying as a webpage.

How do I bring up the webadmin?
===============================
Enter the your local host name along with port number in the address bar of a
browser. For example, if your hostname is localhost.localdomain. Just type in
localhost.localdomain:5988. 

Which ports do CIM-RS aand webadmin use?
==================
Webadmin and CIM-RS currently uses the DMTF's CIMOM ports i.e 5988(http) and
5989(https). This port will be updated with dedicated port for CIM-RS when
available.

Is there any security concerns for webadmin?
=================================================
In order to avoid modifying the server config options by any users, pegasus 
should be started with 'enableAuthentication=true' which forces users to login
for the webadmin.
and in order to restrict to particular groups, 'authorizedUserGroups' should be
set to the groups, whose members should be allowed to modify the config
options.
EnableAuthentication and authorizedUserGroups details can be found in manpage 
of cimconfig(8)


References:
===========
1 http://www.dmtf.org/sites/default/files/standards/documents/DSP0210_1.0.0.pdf
2 http://www.dmtf.org/sites/default/files/standards/documents/DSP0211_1.0.0.pdf