Hi Jaap
Thanks for the reply.
I tried the following logic, but it results in the following error when the
wireshark does registration for all the dissectors:--
11:35:43 Err file packet.c: line 1728: assertion failed: (g_hash_table
_lookup(registered_dissectors, name) == NULL)
static dissector_handle_t data_handle=NULL;
static dissector_handle_t myprotocol_handle;
/* Register the protocol with Wireshark */
void proto_reg_handoff_myprotocol(void)
{
static gboolean initialized = FALSE;
if (!initialized) {
data_handle = find_dissector("data");
myprotocol_handle = create_dissector_handle(dissect_myprotocol_tcp,
proto_myprotocol);
heur_dissector_add("tcp", dissect_myprotocol _tcp, proto_myprotocol);
heur_dissector_add("udp", dissect_myprotocol _udp, proto_myprotocol);
initialized = TRUE;
}
}
static gboolean dissect_myprotocol_tcp(tvbuff_t *tvb, packet_info *pinfo,
proto_tree *tree)
{
dissect_myprotocol(tvb,pinfo, tree, TCPTRAFFIC);
return TRUE;
}
static gboolean dissect_myprotocol_udp(tvbuff_t *tvb, packet_info *pinfo,
proto_tree *tree)
{
dissect_myprotocol(tvb,pinfo, tree, UDPTRAFFIC);
return TRUE;
}
/* Register all fields */
void
proto_register_myprotocol(void)
{
/*Fields and subtree array registration arrays*/
.
.
.
/* Register the protocol name and description */
proto_myprotocol =
proto_register_protocol("myprotocol","myprotocol", "myprotocol");
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array( proto_myprotocol, hf, array_length(hf)
);
proto_register_subtree_array( ett, array_length(ett) );
register_dissector("myprotocol", dissect_myprotocol_tcp,
proto_myprotocol);
register_dissector("myprotocol", dissect_myprotocol_udp,
proto_myprotocol);
}
Can you please suggest where I am going wrong? Is it to do with multiple
registrations with the same name?
Thanks in advance
Hemant
________________________________
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jaap Keuter
Sent: Tuesday, July 22, 2008 10:24 PM
To: 'Developer support list for Wireshark'
Subject: Re: [Wireshark-dev] Dissector Registration Query
Hi,
What about this
dissect_my_protocol(...., gboolean tcp)
{
....
}
dissect_my_protocol_tcp(....)
{
dissect_my_protocol(....., TRUE);
}
dissect_my_protocol_udp(....)
{
dissect_my_protocol(....., FALSE);
}
heur_dissector_add("tcp", dissect_my_protocol_tcp, proto_myprotocol);
heur_dissector_add("udp", dissect_my_protocol_udp, proto_myprotocol);
Thanx,
Jaap
________________________________
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kumar, Hemant
Sent: 2008-Jul-23 02:11
To: [email protected]
Subject: [Wireshark-dev] Dissector Registration Query
Hello All
I just wanted to know whether we can register our plugin dissector with
Multiple protocols.
Basically my dissector should be able to dissect both UDP and TCP packet
payload.
I am implementing it as a Heuristic dissector by :--
heur_dissector_add("tcp", dissect_mprotocol, proto_myprotocol);
If I add a line heur_dissector_add("udp", dissect_mprotocol, proto_myprotocol);
Then will it work fine. If it does works then , once UDP and TCP throws the
payload to my dissector
For dissection how I can confirm whether it is UDP or TCP based traffic once
inside the main dissector
Function in the plugin .
Hoping to get a quick response on this.
Thanks a lot!!
Hemant
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