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additions to tns dissector - sns and connect started 

svn path=/trunk/; revision=1169
This commit is contained in:
Nathan Neulinger 1999-11-30 17:58:32 +00:00
parent 4457d99d2e
commit 191f4cd467
1 changed files with 127 additions and 11 deletions
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138
packet-tns.c
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@ -1,7 +1,7 @@
/* packet-tns.c
* Routines for MSX tns packet dissection
*
* $Id: packet-tns.c,v 1.2 1999/11/30 09:48:31 guy Exp $
* $Id: packet-tns.c,v 1.3 1999/11/30 17:58:32 nneul Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@unicom.net>
@ -51,8 +51,17 @@ static int hf_tns_packet_checksum = -1;
static int hf_tns_header_checksum = -1;
static int hf_tns_packet_type = -1;
static int hf_tns_reserved_byte = -1;
static int hf_tns_data_flag = -1;
static int hf_tns_sns = -1;
static int hf_tns_connect = -1;
static int hf_tns_version = -1;
static int hf_tns_compat_version = -1;
static int hf_tns_service_options = -1;
static gint ett_tns = -1;
static gint ett_tns_sns = -1;
static gint ett_tns_connect = -1;
static gint ett_sql = -1;
static const value_string tns_type_vals[] = {
{TNS_TYPE_CONNECT, "Connect" },
@ -67,24 +76,110 @@ static const value_string tns_type_vals[] = {
#define TRUNC(length) if ( ! BYTES_ARE_IN_FRAME(offset, length)) { \
dissect_data(pd,offset,fd,tree); return; }
void dissect_tns_data(const u_char *pd, int offset, frame_data *fd,
proto_tree *tree)
void dissect_tns_sns(const u_char *pd, int offset, frame_data *fd,
proto_tree *tree, proto_tree *tns_tree)
{
proto_tree *sns_tree = NULL, *ti;
if ( tree )
{
ti = proto_tree_add_text(tns_tree, offset, END_OF_FRAME, "Secure Network Services");
sns_tree = proto_item_add_subtree(ti, ett_tns_sns);
proto_tree_add_item_hidden(tns_tree, hf_tns_sns, 0, 0, TRUE);
}
if ( check_col(fd, COL_INFO) )
{
col_append_fstr(fd, COL_INFO, ", SNS");
}
if ( sns_tree )
{
dissect_data(pd,offset,fd,sns_tree);
}
}
void dissect_tns_data(const u_char *pd, int offset, frame_data *fd,
proto_tree *tree, proto_tree *tns_tree)
{
TRUNC(2);
if ( tree )
{
proto_tree_add_item(tns_tree, hf_tns_data_flag,
offset, 2, pntohs(&pd[offset]));
}
offset += 2;
if ( BYTES_ARE_IN_FRAME(offset, 4) )
{
if ( pd[offset] == 0xDE && pd[offset+1] == 0xAD &&
pd[offset+2] == 0xBE && pd[offset+3] == 0xEF )
{
dissect_tns_sns(pd,offset,fd,tree,tns_tree);
return;
}
}
dissect_data(pd,offset,fd,tree);
return;
}
void dissect_tns_connect(const u_char *pd, int offset, frame_data *fd,
proto_tree *tree)
proto_tree *tree, proto_tree *tns_tree)
{
dissect_data(pd,offset,fd,tree);
proto_tree *connect_tree = NULL, *ti;
if ( tree )
{
ti = proto_tree_add_text(tns_tree, offset, END_OF_FRAME, "Connect");
connect_tree = proto_item_add_subtree(ti, ett_tns_connect);
proto_tree_add_item_hidden(tns_tree, hf_tns_connect, 0, 0, TRUE);
}
if ( check_col(fd, COL_INFO) )
{
col_append_fstr(fd, COL_INFO, ", Connect");
}
TRUNC(2);
if ( connect_tree )
{
proto_tree_add_item(connect_tree, hf_tns_version,
offset, 2, pntohs(&pd[offset]));
}
offset += 2;
TRUNC(2);
if ( connect_tree )
{
proto_tree_add_item(connect_tree, hf_tns_compat_version,
offset, 2, pntohs(&pd[offset]));
}
offset += 2;
TRUNC(2);
if ( connect_tree )
{
/* need to break down w/ bitfield */
proto_tree_add_item(connect_tree, hf_tns_service_options,
offset, 2, pntohs(&pd[offset]));
}
offset += 2;
if ( connect_tree )
{
dissect_data(pd,offset,fd,connect_tree);
}
return;
}
void dissect_tns_accept(const u_char *pd, int offset, frame_data *fd,
proto_tree *tree)
proto_tree *tree, proto_tree *tns_tree)
{
dissect_data(pd,offset,fd,tree);
dissect_data(pd,offset,fd,tns_tree);
return;
}
@ -180,22 +275,28 @@ dissect_tns(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
switch (type)
{
case TNS_TYPE_CONNECT:
dissect_tns_connect(pd,offset,fd,tree);
dissect_tns_connect(pd,offset,fd,tree,tns_tree);
break;
case TNS_TYPE_ACCEPT:
dissect_tns_accept(pd,offset,fd,tree);
dissect_tns_accept(pd,offset,fd,tree,tns_tree);
break;
case TNS_TYPE_DATA:
dissect_tns_data(pd,offset,fd,tree);
dissect_tns_data(pd,offset,fd,tree,tns_tree);
break;
default:
dissect_data(pd,offset,fd,tree);
dissect_data(pd,offset,fd,tns_tree);
}
}
void proto_register_tns(void)
{
static hf_register_info hf[] = {
{ &hf_tns_sns, {
"Secure Network Services", "tns.sns", FT_BOOLEAN, BASE_NONE,
NULL, 0x0, "Secure Network Services" }},
{ &hf_tns_connect, {
"Connect", "tns.connect", FT_BOOLEAN, BASE_NONE,
NULL, 0x0, "Connect" }},
{ &hf_tns_response, {
"Response", "tns.response", FT_BOOLEAN, BASE_NONE,
NULL, 0x0, "TRUE if TNS response" }},
@ -211,6 +312,18 @@ void proto_register_tns(void)
{ &hf_tns_header_checksum, {
"Header Checksum", "tns.header_checksum", FT_UINT16, BASE_HEX,
NULL, 0x0, "Checksum of Header Data" }},
{ &hf_tns_data_flag, {
"Data Flag", "tns.data_flag", FT_UINT16, BASE_HEX,
NULL, 0x0, "Data Flag" }},
{ &hf_tns_version, {
"Version", "tns.version", FT_UINT16, BASE_DEC,
NULL, 0x0, "Version" }},
{ &hf_tns_compat_version, {
"Version (Compatible)", "tns.compat_version", FT_UINT16, BASE_DEC,
NULL, 0x0, "Version (Compatible)" }},
{ &hf_tns_service_options, {
"Service Options", "tns.service_options", FT_UINT16, BASE_HEX,
NULL, 0x0, "Service Options" }},
{ &hf_tns_reserved_byte, {
"Reserved Byte", "tns.reserved_byte", FT_BYTES, BASE_HEX,
NULL, 0x0, "Reserved Byte" }},
@ -221,6 +334,9 @@ void proto_register_tns(void)
static gint *ett[] = {
&ett_tns,
&ett_tns_sns,
&ett_tns_connect,
&ett_sql
};
proto_tns = proto_register_protocol(
"Transparent Network Substrate Protocol", "tns");