8ee8808876
Automated find/replace of wmem_packet_scope() with pinfo->pool in all files where it didn't cause a build failure.
290 lines
9.6 KiB
C
290 lines
9.6 KiB
C
/* packet-fcct.c
|
|
* Routines for FC Common Transport Protocol (used by GS3 services)
|
|
* Copyright 2001, Dinesh G Dutt <ddutt@andiamo.com>
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <epan/packet.h>
|
|
#include <epan/to_str.h>
|
|
#include "packet-fc.h"
|
|
#include "packet-fcct.h"
|
|
|
|
void proto_register_fcct(void);
|
|
void proto_reg_handoff_fcct(void);
|
|
|
|
/* Initialize the protocol and registered fields */
|
|
static int proto_fcct = -1;
|
|
static int hf_fcct_revision = -1;
|
|
static int hf_fcct_inid = -1;
|
|
static int hf_fcct_gstype = -1;
|
|
static int hf_fcct_gssubtype = -1;
|
|
static int hf_fcct_options = -1;
|
|
static int hf_fcct_server = -1; /* derived field */
|
|
|
|
/* Extended preamble fields */
|
|
#if 0
|
|
static int hf_fcct_ext_said = -1;
|
|
static int hf_fcct_ext_tid = -1;
|
|
static int hf_fcct_ext_reqname = -1;
|
|
static int hf_fcct_ext_tstamp = -1;
|
|
static int hf_fcct_ext_authblk = -1;
|
|
#endif
|
|
|
|
/* Initialize the subtree pointers */
|
|
static gint ett_fcct = -1;
|
|
static gint ett_fcct_ext = -1; /* for the extended header */
|
|
|
|
const value_string fc_ct_rjt_code_vals [] = {
|
|
{FCCT_RJT_INVCMDCODE, "Invalid Cmd Code"},
|
|
{FCCT_RJT_INVVERSION, "Invalid Version Level"},
|
|
{FCCT_RJT_LOGICALERR, "Logical Error"},
|
|
{FCCT_RJT_INVSIZE, "Invalid CT_IU Size"},
|
|
{FCCT_RJT_LOGICALBSY, "Logical Busy"},
|
|
{FCCT_RJT_PROTOERR, "Protocol Error"},
|
|
{FCCT_RJT_GENFAIL, "Unable to Perform Cmd"},
|
|
{FCCT_RJT_CMDNOTSUPP, "Cmd Not Supported"},
|
|
{0, NULL},
|
|
};
|
|
|
|
const value_string fc_ct_gstype_vals[] = {
|
|
{FCCT_GSTYPE_KEYSVC, "Key Service"},
|
|
{FCCT_GSTYPE_ALIASSVC, "Alias Service"},
|
|
{FCCT_GSTYPE_MGMTSVC, "Management Service"},
|
|
{FCCT_GSTYPE_TIMESVC, "Time Service"},
|
|
{FCCT_GSTYPE_DIRSVC, "Directory Service"},
|
|
{FCCT_GSTYPE_FCTLR, "Fabric Controller"},
|
|
{FCCT_GSTYPE_VENDOR, "Vendor-Specific"},
|
|
{0, NULL},
|
|
};
|
|
|
|
const value_string fc_ct_gsserver_vals[] = {
|
|
{FCCT_GSRVR_DNS, "dNS"},
|
|
{FCCT_GSRVR_IP, "IP"},
|
|
{FCCT_GSRVR_FCS, "Fabric Config Server"},
|
|
{FCCT_GSRVR_UNS, "Unzoned Name Server"},
|
|
{FCCT_GSRVR_FZS, "Fabric Zone Server"},
|
|
{FCCT_GSRVR_TS, "Time Server"},
|
|
{FCCT_GSRVR_KS, "Key Server"},
|
|
{FCCT_GSRVR_AS, "Alias Server"},
|
|
{FCCT_GSRVR_FCTLR, "Fabric Controller"},
|
|
{0, NULL},
|
|
};
|
|
|
|
static dissector_table_t fcct_gserver_table;
|
|
|
|
guint8
|
|
get_gs_server (guint8 gstype, guint8 gssubtype)
|
|
{
|
|
switch (gstype) {
|
|
case FCCT_GSTYPE_KEYSVC:
|
|
return FCCT_GSRVR_KS;
|
|
case FCCT_GSTYPE_ALIASSVC:
|
|
if (gssubtype == FCCT_GSSUBTYPE_AS)
|
|
return FCCT_GSRVR_AS;
|
|
return FCCT_GSRVR_UNKNOWN;
|
|
case FCCT_GSTYPE_MGMTSVC:
|
|
if (gssubtype == FCCT_GSSUBTYPE_FCS)
|
|
return FCCT_GSRVR_FCS;
|
|
else if (gssubtype == FCCT_GSSUBTYPE_UNS)
|
|
return FCCT_GSRVR_UNS;
|
|
else if (gssubtype == FCCT_GSSUBTYPE_FZS)
|
|
return FCCT_GSRVR_FZS;
|
|
else return FCCT_GSRVR_UNKNOWN;
|
|
case FCCT_GSTYPE_TIMESVC:
|
|
if (gssubtype == FCCT_GSSUBTYPE_TS)
|
|
return FCCT_GSRVR_TS;
|
|
return FCCT_GSRVR_UNKNOWN;
|
|
case FCCT_GSTYPE_DIRSVC:
|
|
if (gssubtype == FCCT_GSSUBTYPE_DNS)
|
|
return FCCT_GSRVR_DNS;
|
|
else if (gssubtype == FCCT_GSSUBTYPE_IP)
|
|
return FCCT_GSRVR_IP;
|
|
return FCCT_GSRVR_UNKNOWN;
|
|
case FCCT_GSRVR_FCTLR:
|
|
if (gssubtype == FCCT_GSSUBTYPE_FCTLR)
|
|
return (FCCT_GSRVR_FCTLR);
|
|
else return (FCCT_GSRVR_UNKNOWN);
|
|
default:
|
|
return FCCT_GSRVR_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
/* Code to actually dissect the packets */
|
|
static int
|
|
dissect_fcct (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
|
|
{
|
|
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
proto_item *ti;
|
|
proto_tree *fcct_tree;
|
|
tvbuff_t *next_tvb;
|
|
int in_id,
|
|
offset = 0;
|
|
guint8 server;
|
|
fc_ct_preamble cthdr;
|
|
address addr;
|
|
|
|
/* Make entries in Protocol column and Info column on summary display */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "FC_CT");
|
|
|
|
/*
|
|
cthdr.revision = tvb_get_guint8 (tvb, offset++);
|
|
cthdr.in_id = tvb_get_ntoh24 (tvb, offset);
|
|
offset += 3;
|
|
|
|
cthdr.gstype = tvb_get_guint8 (tvb, offset++);
|
|
cthdr.options = tvb_get_guint8 (tvb, offset++);
|
|
*/
|
|
tvb_memcpy (tvb, (guint8 *)&cthdr, offset, FCCT_PRMBL_SIZE);
|
|
cthdr.revision = tvb_get_guint8 (tvb, offset++);
|
|
cthdr.in_id = tvb_get_ntoh24 (tvb, offset);
|
|
cthdr.opcode = g_ntohs (cthdr.opcode);
|
|
cthdr.maxres_size = g_ntohs (cthdr.maxres_size);
|
|
|
|
if (cthdr.opcode < FCCT_MSG_REQ_MAX) {
|
|
col_append_str (pinfo->cinfo, COL_INFO, " Request");
|
|
}
|
|
else if (cthdr.opcode == FCCT_MSG_ACC) {
|
|
col_append_str (pinfo->cinfo, COL_INFO, " Accept");
|
|
}
|
|
else if (cthdr.opcode == FCCT_MSG_RJT) {
|
|
col_append_fstr (pinfo->cinfo, COL_INFO, " Reject (%s)",
|
|
val_to_str (cthdr.rjt_code, fc_ct_rjt_code_vals, "0x%x"));
|
|
}
|
|
else {
|
|
col_append_str (pinfo->cinfo, COL_INFO, " Reserved");
|
|
}
|
|
|
|
in_id = cthdr.in_id;
|
|
in_id = g_htonl (in_id) >> 8;
|
|
|
|
/* Determine server */
|
|
server = get_gs_server (cthdr.gstype, cthdr.gssubtype);
|
|
|
|
if (tree) {
|
|
offset = 0;
|
|
ti = proto_tree_add_protocol_format (tree, proto_fcct, tvb, 0, FCCT_PRMBL_SIZE,
|
|
"FC_CT");
|
|
fcct_tree = proto_item_add_subtree (ti, ett_fcct);
|
|
|
|
proto_tree_add_item (fcct_tree, hf_fcct_revision, tvb, offset++,
|
|
sizeof (guint8), ENC_BIG_ENDIAN);
|
|
set_address(&addr, AT_FC, 3, &in_id);
|
|
proto_tree_add_string (fcct_tree, hf_fcct_inid, tvb, offset, 3,
|
|
address_to_str(pinfo->pool, &addr));
|
|
offset += 3; /* sizeof FC address */
|
|
|
|
proto_tree_add_item (fcct_tree, hf_fcct_gstype, tvb, offset++,
|
|
sizeof (guint8), ENC_BIG_ENDIAN);
|
|
proto_tree_add_item (fcct_tree, hf_fcct_gssubtype, tvb, offset,
|
|
sizeof (guint8), ENC_BIG_ENDIAN);
|
|
proto_tree_add_uint (fcct_tree, hf_fcct_server, tvb, offset++, 1,
|
|
server);
|
|
proto_tree_add_item (fcct_tree, hf_fcct_options, tvb, offset++,
|
|
sizeof (guint8), ENC_BIG_ENDIAN);
|
|
|
|
}
|
|
/* We do not change the starting offset for the next protocol in the
|
|
* chain since the fc_ct header is common to the sub-protocols.
|
|
* Pass the fchdr* received from parent dissector through to sub-protocols
|
|
*/
|
|
next_tvb = tvb_new_subset_remaining (tvb, 0);
|
|
if (!dissector_try_uint_new(fcct_gserver_table, server, next_tvb, pinfo,
|
|
tree, TRUE, data)) {
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
/* Register the protocol with Wireshark */
|
|
|
|
void
|
|
proto_register_fcct(void)
|
|
{
|
|
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
static hf_register_info hf[] = {
|
|
{ &hf_fcct_revision,
|
|
{"Revision", "fcct.revision", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_fcct_inid,
|
|
{"IN_ID", "fcct.in_id", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_fcct_gstype,
|
|
{"GS Type", "fcct.gstype", FT_UINT8, BASE_HEX, VALS(fc_ct_gstype_vals),
|
|
0x0, NULL, HFILL}},
|
|
{ &hf_fcct_gssubtype,
|
|
{"GS Subtype", "fcct.gssubtype", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL}},
|
|
{ &hf_fcct_server,
|
|
{"Server", "fcct.server", FT_UINT8, BASE_HEX,
|
|
VALS (fc_ct_gsserver_vals), 0x0,
|
|
"Derived from GS Type & Subtype fields", HFILL}},
|
|
{ &hf_fcct_options,
|
|
{"Options", "fcct.options", FT_UINT8, BASE_HEX, NULL, 0x0, NULL,
|
|
HFILL}},
|
|
#if 0
|
|
{ &hf_fcct_ext_said,
|
|
{"Auth SAID", "fcct.ext_said", FT_UINT32, BASE_HEX, NULL, 0x0, NULL,
|
|
HFILL}},
|
|
{ &hf_fcct_ext_tid,
|
|
{"Transaction ID", "fcct.ext_tid", FT_UINT32, BASE_HEX, NULL, 0x0, NULL,
|
|
HFILL}},
|
|
{ &hf_fcct_ext_reqname,
|
|
{"Requestor Port Name", "fcct.ext_reqnm", FT_BYTES, BASE_NONE, NULL,
|
|
0x0, NULL, HFILL}},
|
|
{ &hf_fcct_ext_tstamp,
|
|
{"Timestamp", "fcct.ext_tstamp", FT_BYTES, BASE_NONE, NULL, 0x0, NULL,
|
|
HFILL}},
|
|
{ &hf_fcct_ext_authblk,
|
|
{"Auth Hash Blk", "fcct.ext_authblk", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}},
|
|
#endif
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_fcct,
|
|
&ett_fcct_ext,
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_fcct = proto_register_protocol("Fibre Channel Common Transport", "FC_CT", "fcct");
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_fcct, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
fcct_gserver_table = register_dissector_table ("fcct.server",
|
|
"FCCT Server",
|
|
proto_fcct, FT_UINT8, BASE_HEX);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_fcct (void)
|
|
{
|
|
dissector_handle_t fcct_handle;
|
|
|
|
fcct_handle = create_dissector_handle (dissect_fcct, proto_fcct);
|
|
dissector_add_uint("fc.ftype", FC_FTYPE_FCCT, fcct_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|