[OLSR-users] Problem about Secure plug-in

[Andreas Tønnesen]

Hi there once again ken,

Regarding the httpinfo plugin:
The admin interface is _experimental_, so don't expect everything to 
work 100%. But everything but pollrate and TOS should work. Willingness
is not changed if you use dynamic willingness.

Now regarding the secure plugin it works just fine here. Do you see the
same behaviour every time you test? To me it looks like a collission in
the challenge/response part, but that's not very likely to happen. What
does the output on 10.0.0.2 look like?

The secure plugin is indeed _very_ experimental and has not seen any
large-scale testing AFAIK and is not very much maintained either. I try
to keep it up to date on plugin interface/code structure changes, but I
would not rely too much on it in a project, unless you are able to do
your own fixes in the code, since I've got that code pretty much at the
bottom of my pri-list theese days..

- Andreas

ken wrote:
> I run olsr between 2 nodes( 10.0.0.1 and 10.0.0.2) with secure plug-in
> 
> I also use 128-bit file as shared key,
> 
> when I run olsrd, they seem cannot recognize to each other.
> Can anyone tell me how to fix it?
> The debug message in 10.0.0.1 is shown below:
> 
> ---------- Plugin loader ----------
> Library: olsrd_secure.so.0.5
> OLSRD signature plugin 0.5 by Andreas T?nnesen
> [ENC]Accepted parameter pairs: ("Keyfile" <FILENAME>)
> Checking plugin interface version.... 2 - OK
> Trying to fetch register function....OK
> Trying to fetch plugin IO function....OK
> Trying to fetch param function....OK
> Sending parameters...
> "Keyfile"/"/home/ken/FYP/protocol/olsrd-current/lib/secure/olsrd.key.md5".... OKRunning registration function...
> Timestamp database initialized
> [ENC]Reading key from file
> "/home/ken/FYP/protocol/olsrd-current/lib/secure/olsrd.key.md5"
> [ENC]Hijacking wlan0 socket 4
> Removing OLSR socket entry 4
> Adding OLSR socket entry 4
> Scheduler event registered int: 2.00
> ---------- LIBRARY LOADED ----------
>  
> Main address: 10.0.0.1
>  
> Scheduler started - polling every 0.05 seconds
> Max jitter is 0.500000
>  
> [ENC]Adding signature for packet size 20
> [ENC]timestamp: 1113154875
> [ENC] Message signed
> [ENC]Checking packet for challenge response message...
> [ENC]No match for 10.0.0.2
> [ENC]Building CHALLENGE message
> [ENC]Size: 36
> [ENC]Sending timestamp request to 10.0.0.2 challenge 0xfde24bc9
> [ENC]Adding signature for packet size 40
> [ENC]timestamp: 1113154875
> [ENC] Message signed
> [ENC]Timestamp missmatch in packet from 10.0.0.2!
> [ENC]Rejecting packet from 10.0.0.2
> [ENC]Adding signature for packet size 20
> [ENC]timestamp: 1113154877
> [ENC] Message signed
> [ENC]Checking packet for challenge response message...
> [ENC]Challenge message received
> [ENC]To: 10.0.0.1
> [ENC]Match for 10.0.0.2
> [ENC]Challenge from registered node...dropping!
> [ENC]Match for 10.0.0.2
> [ENC]Message from non-validated host!
> [ENC]Timestamp missmatch in packet from 10.0.0.2!
> [ENC]Rejecting packet from 10.0.0.2
> [ENC]Checking packet for challenge response message...
> [ENC]Match for 10.0.0.2
> [ENC]Message from non-validated host!
> [ENC]Timestamp missmatch in packet from 10.0.0.2!
> [ENC]Rejecting packet from 10.0.0.2
> [ENC]Adding signature for packet size 20
> [ENC]timestamp: 1113154879
> [ENC] Message signed
> [ENC]Checking packet for challenge response message...
> [ENC]Match for 10.0.0.2
> [ENC]Message from non-validated host!
> [ENC]Timestamp missmatch in packet from 10.0.0.2!
> [ENC]Rejecting packet from 10.0.0.2
> [ENC]Checking packet for challenge response message...
> [ENC]Match for 10.0.0.2
> [ENC]Message from non-validated host!
> [ENC]Timestamp missmatch in packet from 10.0.0.2!
> [ENC]Rejecting packet from 10.0.0.2
> [ENC]timestamp info for 10.0.0.2 timed out.. deleting it
> [ENC]Adding signature for packet size 20
> [ENC]timestamp: 1113154881
> [ENC] Message signed
> [ENC]Checking packet for challenge response message...
> [ENC]No match for 10.0.0.2
> [ENC]Building CHALLENGE message
> [ENC]Size: 36
> [ENC]Sending timestamp request to 10.0.0.2 challenge 0x3ef7118f
> [ENC]Adding signature for packet size 40
> [ENC]timestamp: 1113154883
> [ENC] Message signed
> [ENC]Timestamp missmatch in packet from 10.0.0.2!
> [ENC]Rejecting packet from 10.0.0.2
> [ENC]Adding signature for packet size 20
> [ENC]timestamp: 1113154884
> [ENC] Message signed
> [ENC]Checking packet for challenge response message...
> [ENC]Match for 10.0.0.2
> [ENC]Message from non-validated host!
> [ENC]Timestamp missmatch in packet from 10.0.0.2!
> [ENC]Rejecting packet from 10.0.0.2
> [ENC]Adding signature for packet size 20
> [ENC]timestamp: 1113154885
> [ENC] Message signed
> [ENC]Adding signature for packet size 20
> [ENC]timestamp: 1113154888
> [ENC] Message signed
> 
> 
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-- 
Andreas Tønnesen
http://www.olsr.org