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started nbp dissector 

svn path=/trunk/; revision=1251
This commit is contained in:
Nathan Neulinger 1999-12-08 23:55:01 +00:00
parent 2238026564
commit 7c9c22041b
1 changed files with 75 additions and 4 deletions
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79
packet-atalk.c
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@ -1,7 +1,7 @@
/* packet-atalk.c
* Routines for Appletalk packet disassembly (DDP, currently).
*
* $Id: packet-atalk.c,v 1.25 1999/12/08 23:25:37 nneul Exp $
* $Id: packet-atalk.c,v 1.26 1999/12/08 23:55:01 nneul Exp $
*
* Simon Wilkinson <sxw@dcs.ed.ac.uk>
*
@ -48,6 +48,14 @@ static int hf_ddp_dst_socket = -1;
static int hf_ddp_src_socket = -1;
static int hf_ddp_type = -1;
static int proto_nbp = -1;
static int hf_nbp_op = -1;
static int hf_nbp_info = -1;
static int hf_nbp_count = -1;
static int hf_nbp_tid = -1;
static gint ett_nbp = -1;
static gint ett_nbp_info = -1;
static gint ett_ddp = -1;
/* P = Padding, H = Hops, L = Len */
@ -77,6 +85,8 @@ typedef struct _e_ddp {
#define DDP_ADSP 0x07
#define DDP_HEADER_SIZE 13
#define NBP_LOOKUP 2
gchar *
atalk_addr_to_str(const struct atalk_ddp_addr *addrp)
{
@ -106,6 +116,11 @@ static const value_string op_vals[] = {
{0, NULL}
};
static const value_string nbp_op_vals[] = {
{NBP_LOOKUP, "lookup"},
{0, NULL}
};
static void
dissect_rtmp_request(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
dissect_data(pd, offset, fd, tree);
@ -120,7 +135,41 @@ dissect_rtmp_data(const u_char *pd, int offset, frame_data *fd, proto_tree *tree
static void
dissect_nbp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
dissect_data(pd, offset, fd, tree);
proto_tree *nbp_tree;
proto_tree *nbp_info_tree;
proto_item *ti, *info_item;
guint op, count;
if (!BYTES_ARE_IN_FRAME(offset, 2)) {
dissect_data(pd, offset, fd, tree);
return;
}
op = pd[offset] >> 4;
count = pd[offset] & 0x0F;
if (check_col(fd, COL_PROTOCOL))
col_add_str(fd, COL_PROTOCOL, "NBP");
if (check_col(fd, COL_INFO))
col_add_fstr(fd, COL_INFO, "Op: %s Count: %d",
val_to_str(op, nbp_op_vals, "unknown (%1x)"), count);
if (tree) {
ti = proto_tree_add_item(tree, proto_nbp, offset, END_OF_FRAME, NULL);
nbp_tree = proto_item_add_subtree(ti, ett_nbp);
info_item = proto_tree_add_item_format(nbp_tree, hf_nbp_info, offset, 1,
pd[offset],
"Info: 0x%01X Operation: %s Count: %d", pd[offset],
val_to_str(op, nbp_op_vals, "unknown"),
count);
nbp_info_tree = proto_item_add_subtree(info_item, ett_nbp_info);
proto_tree_add_item(nbp_info_tree, hf_nbp_op, offset, 1, pd[offset]);
proto_tree_add_item(nbp_info_tree, hf_nbp_count, offset, 1, pd[offset]);
proto_tree_add_item(nbp_tree, hf_nbp_tid, offset+1, 1, pd[offset+1]);
}
return;
}
@ -196,7 +245,7 @@ dissect_ddp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
void
proto_register_atalk(void)
{
static hf_register_info hf[] = {
static hf_register_info hf_ddp[] = {
{ &hf_ddp_hopcount,
{ "Hop count", "ddp.hopcount", FT_UINT8, BASE_DEC, NULL, 0x0,
"" }},
@ -237,11 +286,33 @@ proto_register_atalk(void)
{ "Protocol type", "ddp.type", FT_UINT8, BASE_DEC, VALS(op_vals), 0x0,
"" }},
};
static hf_register_info hf_nbp[] = {
{ &hf_nbp_op,
{ "Operation", "nbp.op", FT_UINT8, BASE_DEC,
VALS(nbp_op_vals), 0xF0, "Operation" }},
{ &hf_nbp_info,
{ "Info", "nbp.info", FT_UINT8, BASE_HEX,
NULL, 0x0, "Info" }},
{ &hf_nbp_count,
{ "Count", "nbp.count", FT_UINT8, BASE_DEC,
NULL, 0x0F, "Count" }},
{ &hf_nbp_tid,
{ "Transaction ID", "nbp.tid", FT_UINT8, BASE_DEC,
NULL, 0x0, "Transaction ID" }}
};
static gint *ett[] = {
&ett_ddp,
&ett_nbp,
&ett_nbp_info
};
proto_ddp = proto_register_protocol("Datagram Delivery Protocol", "ddp");
proto_register_field_array(proto_ddp, hf, array_length(hf));
proto_register_field_array(proto_ddp, hf_ddp, array_length(hf_ddp));
proto_nbp = proto_register_protocol("Name Binding Protocol", "nbp");
proto_register_field_array(proto_nbp, hf_nbp, array_length(hf_nbp));
proto_register_subtree_array(ett, array_length(ett));
}