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make NDMP start distinguishing between different versions. 

Between v2 and v3 some structures changed their definition.

I arbirtrarily made the preference set V2 as the default.
I have no idea what the most common ndmp version is  maybe someone that knows
which is the most popular iversion in the wild will change it to default to that.

svn path=/trunk/; revision=10362
This commit is contained in:
Ronnie Sahlberg 2004-03-11 09:54:00 +00:00
parent 48cd9f9358
commit 3e922525d5
1 changed files with 49 additions and 8 deletions
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57
packet-ndmp.c
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@ -2,7 +2,7 @@
* Routines for NDMP dissection
* 2001 Ronnie Sahlberg (see AUTHORS for email)
*
* $Id: packet-ndmp.c,v 1.26 2004/01/30 10:51:07 sahlberg Exp $
* $Id: packet-ndmp.c,v 1.27 2004/03/11 09:54:00 sahlberg Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -227,6 +227,24 @@ static gint ett_ndmp_file_stats = -1;
static gint ett_ndmp_file_invalids = -1;
static gint ett_ndmp_state_invalids = -1;
/* XXX someone should start adding the new stuff from v3, v4 and v5*/
#define NDMP_PROTOCOL_V2 1
#define NDMP_PROTOCOL_V3 2
#define NDMP_PROTOCOL_V4 3
#define NDMP_PROTOCOL_V5 4
static enum_val_t ndmp_protocol_versions[] = {
{ "Version 2", NDMP_PROTOCOL_V2 },
{ "Version 3", NDMP_PROTOCOL_V3 },
{ "Version 4", NDMP_PROTOCOL_V4 },
{ "Version 5", NDMP_PROTOCOL_V5 },
{ NULL, 0 }
};
static gint ndmp_protocol_version = NDMP_PROTOCOL_V2;
struct ndmp_header {
guint32 seq;
guint32 time;
@ -1623,6 +1641,12 @@ dissect_mover_get_state_reply(tvbuff_t *tvb, int offset, packet_info *pinfo,
proto_tree_add_item(tree, hf_ndmp_window_length, tvb, offset, 8, FALSE);
offset += 8;
/* this is where v2 ends */
if(ndmp_protocol_version==NDMP_PROTOCOL_V2){
return offset;
}
/* ndmp addr */
offset=dissect_ndmp_addr(tvb, offset, pinfo, tree);
@ -2248,17 +2272,22 @@ dissect_nlist(tvbuff_t *tvb, int offset, packet_info *pinfo _U_,
offset = dissect_rpc_string(tvb, tree,
hf_ndmp_bu_destination_dir, offset, NULL);
/*new name*/
offset = dissect_rpc_string(tvb, tree,
if(ndmp_protocol_version==NDMP_PROTOCOL_V2){
/* just 2 reserved bytes (4 with padding) */
offset += 4;
} else {
/*new name*/
offset = dissect_rpc_string(tvb, tree,
hf_ndmp_bu_new_name, offset, NULL);
/*other name*/
offset = dissect_rpc_string(tvb, tree,
/*other name*/
offset = dissect_rpc_string(tvb, tree,
hf_ndmp_bu_other_name, offset, NULL);
/* node */
proto_tree_add_item(tree, hf_ndmp_file_node, tvb, offset, 8, FALSE);
offset += 8;
/* node */
proto_tree_add_item(tree, hf_ndmp_file_node, tvb, offset, 8, FALSE);
offset += 8;
}
/* fh_info */
proto_tree_add_item(tree, hf_ndmp_file_fh_info, tvb, offset, 8, FALSE);
@ -2272,6 +2301,11 @@ static int
dissect_data_start_recover_request(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, guint32 seq _U_)
{
if(ndmp_protocol_version==NDMP_PROTOCOL_V2){
/* ndmp addr */
offset=dissect_ndmp_addr(tvb, offset, pinfo, tree);
}
/* default env */
offset = dissect_rpc_array(tvb, pinfo, tree, offset,
dissect_default_env, hf_ndmp_butype_default_env);
@ -3432,6 +3466,13 @@ proto_register_ndmp(void)
/* desegmentation */
ndmp_module = prefs_register_protocol(proto_ndmp, NULL);
prefs_register_enum_preference(ndmp_module,
"protocol_version",
"Protocol version",
"Version of the NDMP protocol",
&ndmp_protocol_version,
ndmp_protocol_versions,
FALSE);
prefs_register_bool_preference(ndmp_module, "desegment",
"Desegment all NDMP messages spanning multiple TCP segments",
"Whether the dissector should desegment NDMP messages",