bugmldonkey, a multi-networks file-sharing client - Bugs: bug #12490, Fasttrack: encryption algorithm...

 
 

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bug #12490: Fasttrack: encryption algorithm does not work correctly

Submitted by:  None
Submitted on:  Mon 28 Mar 2005 11:19:34 AM UTC  
 
Category: Fasttrack-PluginSeverity: 3 - Normal
Item Group: Program malfunctionStatus: Fixed
Assigned to: NoneOpen/Closed: Closed
Release: Release: 2.5.30.6
Operating System: NoneBinaries Origin: CVS / Self compiled
CPU type: None

Mon 02 May 2005 06:48:04 PM UTC, comment #5:

I think the bug is solved.

In my opinion, it is not a bug that prevents mldonkey from connecting to the Fasttrack Network.
I'd rather say it's because of Sharman Networks.

I can't warrant it, but in December 2003, I read Sharman Networks was trying to prevent lite versions of kazaa from connecting to their network.
It does not detect lightened versions, it stops older versions from connecting to the network.
Newer versions of Kazaa which are supernodes would not accept connections from older versions.

Of course, some supernodes are still old versions and mldonkey can connect to them, but it has to wait in order to find proper ones.

Would it be possible to make mldonkey temporarily identify itself as a Kazaa 3. It may be a first workaround.
I will try to provide an Ethereal dump of my K-Lite Resurrection 2.7.2 when it connects.

Source: http://en.wikipedia.org/wiki/Kazaa_Lite
"There are rumours that new versions of Sharman's Kazaa will prevent Kazaa Lite from connecting to the FastTrack network, but as of early 2005, this hasn't happened."

It seems also it's not mldonkey's fault if bootstrap from fm2.imesh.com fails:
http://www.filesharinghelp.com/internationalforums/index.php?showtopic=9807#
Lite says : "The iMesh node can take a while to respond at times."

Adrien <camarade_tux>
Sat 30 Apr 2005 11:58:01 AM UTC, comment #4:

An update to my last comment, the patch did not work.
I can connect to Fasttrack with vanilla CVS 2.5.30.14 but the
bootstrap from fm2.imesh.com does not work always, you have to
have some patience to get servers, they will come...

spiralvoice <spiralvoice>
Project Administrator
Wed 20 Apr 2005 02:52:57 AM UTC, comment #3:

So, I did a lot more debugging and I think the bug was that in
2-5-29 the function ml_cipher_packet_set was not properly
re-written:

http://savannah.nongnu.org/cgi-bin/viewcvs/mldonkey/mldonkey/src/networks/fasttrack/fst_crypt_ml.c.diff?r1=1.5&r2=1.6

This is the code which IMHO was not transfered properly,
patching this lets the startup tests pass without changing
encodings or other fuss:

- ((unsigned int*)(s+pos))[0] = htonl(cipher->seed);
- ((unsigned int*)(s+pos+4))[0] = htonl(
+ s[pos] = 250;
+ s[pos+1] = 0;
+ s[pos+2] = 182;
+ s[pos+3] = 43;
+ ((unsigned int*)(s+pos+4))[0] = htonl(cipher->seed);
+ ((unsigned int*)(s+pos+8))[0] = htonl(

I attached my patch in this bugreport.

spiralvoice <spiralvoice>
Project Administrator
Wed 20 Apr 2005 01:53:08 AM UTC, comment #2:

I think I solved that problem with the attached patch which
changes the encoding of the checksums in one of the cipher tests.
Please test it.

spiralvoice <spiralvoice>
Project Administrator
Wed 06 Apr 2005 06:19:38 PM UTC, comment #1:

What to think about this message when this is present in fasttrackProto.ml in the section where this log message is created:

(* TODO: this doesn't work properly on my computer !!! *)

I get this message, too, on my Linux machine but can connect to Fasttrack nodes, but it takes several minutes to get a connection.

spiralvoice <spiralvoice>
Project Administrator
Mon 28 Mar 2005 11:19:34 AM UTC, original submission:

this bug is confirmed with CVS 2.5-28-1 and 2.5-30-1
on win98se, 2kpro and XP_Sp1

there is no connect to any Fasttrack-Server possible, following Message are in the Logfile:

--->>
The Fasttrack plugin will not work on your computer, since
the encryption algorithm does not work correctly.
You can try to solve this ploblem by hacking the C files in
mldonkey/src/networks/fasttrack/*.c
---<<

cu schlumpf

Anonymous

 

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Follow 14 latest changes.

Date Changed By Updated Field Previous Value => Replaced By
Thu 19 May 2005 04:09:11 PM UTCspiralvoiceStatusNone=>Fixed
  Open/ClosedOpen=>Closed
Sun 08 May 2005 03:47:03 PM UTCamorphousSeverity5 - Blocker=>3 - Normal
Sat 30 Apr 2005 11:56:56 AM UTCspiralvoiceAttached File#2421=>Removed
Wed 20 Apr 2005 02:52:58 AM UTCspiralvoiceAttached File-=>Added fasttrack_check.patch, #2421
Wed 20 Apr 2005 02:52:57 AM UTCspiralvoiceSeverity3 - Normal=>5 - Blocker
  Release2-5-30-1=>2.5.30.6
  Operating SystemMinGW W2K/WinXP=>None
Wed 20 Apr 2005 02:42:45 AM UTCspiralvoiceAttached File#2420=>Removed
Wed 20 Apr 2005 02:07:28 AM UTCspiralvoiceAttached File-=>Added fasttrack_check.patch, #2420
Wed 20 Apr 2005 02:05:29 AM UTCspiralvoiceAttached File#2419=>Removed
Wed 20 Apr 2005 02:04:46 AM UTCspiralvoiceAttached File-=>Added fasttrack_check.patch, #2419
Wed 20 Apr 2005 02:00:30 AM UTCspiralvoiceAttached File#2418=>Removed
Wed 20 Apr 2005 01:53:08 AM UTCspiralvoiceAttached File-=>Added fasttrack_check.patch, #2418

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