Open OMA DM
Kevin Chang
OMA DM server component
Bootstrap
generator
Web UI
Command script
Command parser
Authentication
Module
Log
AES CCM
SyncML parser
Content
Management
Content
Management
DDF
WBXML parser
Large Object
encoder
Download
Descriptor
Device Tree parser
Packet parser
Large Object
decoder
SIP provision
WSP packet
generator
AAA connection
module
Libevent
HTTP
MySQL Database
HTTPS
TCP/Socket
HTTPS
UDP/Socket
TCP/Socket
Main process
MySQL Data Base
Command result
Commands
EMSK or BEK
Command
Prov SyncML
Generator
Msg
Log
Logger
Provision
Data collector
Provisoon
Data
AAA server
socket
Device ID
Provision
server socket
TCP
WBXML
convertor
Bootstrap
information
Flow
controller
P1/
Result
Device IP
ServerID
Device IP
Provision
Server socket
WSP
notification
WSP bootstrap
UDP
4. Get
command
from DB
OMA Server Core
MySQL DB
3. Choice
work
queue.
6. Update
work flow
1. Send
notification
packet
Flow Controller
/ Scheduler
Handler
4. Send
command
to device
7. Update
job status
2. Device
connect to
server socket
5. Receive
command
result
WSP
notification
Content Server
1. Get Download DescriptorDownload
Descriptor
Download Agent
Add new download
record and generate
download ticket
Content
Logger
2. Download FW
Firmware
3. Report download statusStatus Report
Update download ticket
Device Tree Discover
FUMO
Download Descriptor
•
•
•
•
•
•
•
•
•
•
•
<?xml version="1.0" encoding="UTF-8" ?>
<media xmlns="http://www.openmobilealliance.org/xmlns/dd">
<DDVersion>1.0</DDVersion>
<name>fw_name</name>
<type>application/octet-stream</type>
<description>fw_name.ipk</description>
<objectURI>http://omadm.kevindm.com.tw/fw_name.ipk</objectURI>
<size>123456</size>
<installNotifyURI>http://omadm.kevindm.com.tw</installNotifyURI>
<vendor>KevinDM</vendor>
</media>
Bootstrap
Server ID, client name,client,pw,
server name, server pw…
SyncML
WBXML
ServerID:
Client Name:
Client PW:
Server Name:
Server PW:
BEK=HMAC(EMSK|“bek@wimaxforum.org”)
AES-CCM
Ciphertext
WSP Packet
KevinDM
00112233445566
test_client
KevinDM
test_server
SyncML bootstrap Sample
WIB
DNS
AAA
4. DNS SRV query
_wimax-bootstrap._tcp.domain
2. Send BEK, IP, MAC to OMA DM
Server
1. NAI={sm=1}MAC@realm
WIB/OMA DM
5. Get bootstrap payload
http://x.x.x.x/bootstrap.wib?msid=MAC&protocol={0}&version=0
11
010
10...
3. Generate encrypted Bootstra
AAA connection module