I probably should comment out that code... The LDAP decoder doesn't do
anything yet, as I haven't had a chance to figure out how to use the
asn1 code.
-- Nathan
Michal Stekrt wrote:
>
> Hi ethereal developers,
> Recently I started to use Ethereal for diagnose problems on network I
> administer, but I found some bug in this software. In fact I'm not
> sure wheather this bug is in Ethereal itself or somewhere else (gtk?)
>
> Now, what happened:
> I started to look into one of LDAP packet.
> I have it in file "_bug" (see attachment).
> The tree looks like this:
>
> Tree looks like this:
> ------------------- cut ------------------------
> ...
> [-] Lightweight Directory Access Protocol
> Request Line: 09c4CLID_IP
> Request Line:
> Request Line:
> ------------------- cut ------------------------
> 2nd and 3rd request lines are realy empty.
>
> And this is contents of LDAP packet I can see in bottom frame:
> ------------------- cut -------------------------------------------------
> 0000 08 00 20 b9 5d c9 08 00 20 b6 62 6e 08 00 45 00 ....]... ..bn..E.
> 0010 00 63 b4 af 40 00 ff 06 1e b7 ac 14 68 02 ac 14 .c..@... ....h...
> 0020 e8 02 86 2c 01 85 11 74 28 f0 13 d3 46 93 50 18 ...,...t (...F.P.
> 0030 22 38 6f ff 00 00 30 39 02 01 03 63 34 04 07 43 "8o...09 ...c4..C
> 0040 4c 49 44 5f 49 50 0a 01 00 0a 01 00 02 01 00 02 LID_IP.. ........
> 0050 01 0f 01 01 00 a3 18 04 08 6c 6f 67 69 6e 5f 69 ........ .login_i
> 0060 70 04 0c 31 37 32 2e 32 30 2e 32 34 2e 36 33 30 p..172.2 0.24.630
> 0070 00 .
> ------------------- cut -------------------------------------------------
>
> I'm not very familiar with LDAP packets, but it seems to not be OK.
> I think decoding from packet itself to tree is incorrect.
>
> Then:
> First expand the LDAP subtree.
> Second select lets say one of the request line.
> In this time Ethereal crashes.
>
> (sometime crashes sometime not. On my second computer crashes
> almost everytime)
> In addition,
>
> If I try to run it within gdb it looks like this:
>
> (gdb) run
> Starting program: /home/mstekrt/ethereal/./ethereal
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x40142f7c in gtk_text_forward_delete () from /usr/lib/libgtk-1.2.so.0
>
> Imediately after, it blocks my mouse. I cannot select
> anything and cursor has arrow shape. Cannot select window frames nor
> taskbar. In this time Ethereal window is stil existing on desktop,
> but doesn't redraw itself.
>
> (gdb) backtrace
> #0 0x40142f7c in gtk_text_forward_delete () from /usr/lib/libgtk-1.2.so.0
> #1 0x40192ed8 in GTK_TYPE_GDK_COLOR () from /usr/lib/libgtk-1.2.so.0
> #2 0x10fc8 in ?? ()
> #3 0x0 in ?? ()
> (gdb) quit
> The program is running. Exit anyway? (y or n) y
> [mstekrt@e210 ethereal]$
>
> Then mouse works again.
>
> These are my version:
> uname -sr
> Linux 2.2.12-20
>
> gtk-config --version
> 1.2.6
>
> ./ethereal -v
> ethereal 0.8.1, with GTK+ 1.2.6, with libpcap 0.4, with libz 1.1.3,
> with UCD SNMP 4.0.1
>
> KDE 1.1.2
>
> Thanks for Ethereal
> Best Regards
> Michal.Stekrt@xxxxxxxxxxxxxx
>
> ------------------------------------------------------------------------
> Name: _bug
> _bug Type: unspecified type (APPLICATION/OCTET-STREAM)
> Encoding: BASE64
--
------------------------------------------------------------
Nathan Neulinger EMail: nneul@xxxxxxx
University of Missouri - Rolla Phone: (573) 341-4841
CIS - Systems Programming Fax: (573) 341-4216
