forked from osmocom/wireshark
![Jeff Morriss](/assets/img/avatar_default.png)
- s/ntohl/g_ntohl - s/free/g_free - Change some tvb_get_string()+g_free()'s into tvb_get_ephemeral_string() - Change some tvb_fake_unicode()+g_free()'s into tvb_get_ephemeral_faked_unicode() - Change some tvb_get_string() calls that were clearly memory leaks (like atoi(tvb_get_string(...))) into tvb_get_ephemeral_string() svn path=/trunk/; revision=22515
951 lines
34 KiB
C
951 lines
34 KiB
C
/* packet-fcfzs.c
|
|
* Routines for FC Fabric Zone Server
|
|
* Copyright 2001, Dinesh G Dutt <ddutt@andiamo.com>
|
|
*
|
|
* $Id$
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* Copied from WHATEVER_FILE_YOU_USED (where "WHATEVER_FILE_YOU_USED"
|
|
* is a dissector file; if you just copied this from README.developer,
|
|
* don't bother with the "Copied from" - you don't even need to put
|
|
* in a "Copied from" if you copied an existing dissector, especially
|
|
* if the bulk of the code in the new dissector is your code)
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
# include <sys/types.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_NETINET_IN_H
|
|
# include <netinet/in.h>
|
|
#endif
|
|
|
|
#include <glib.h>
|
|
|
|
#include <epan/packet.h>
|
|
#include <epan/emem.h>
|
|
#include <epan/conversation.h>
|
|
#include <epan/etypes.h>
|
|
#include "packet-scsi.h"
|
|
#include "packet-fc.h"
|
|
#include "packet-fcct.h"
|
|
#include "packet-fcfzs.h"
|
|
|
|
/* Initialize the protocol and registered fields */
|
|
static int proto_fcfzs = -1;
|
|
static int hf_fcfzs_opcode = -1;
|
|
static int hf_fcfzs_gzc_vendor = -1;
|
|
static int hf_fcfzs_gest_vendor = -1;
|
|
static int hf_fcfzs_numzoneattrs = -1;
|
|
static int hf_fcfzs_zonesetnmlen = -1;
|
|
static int hf_fcfzs_zonesetname = -1;
|
|
static int hf_fcfzs_numzones = -1;
|
|
static int hf_fcfzs_numzonesetattrs = -1;
|
|
static int hf_fcfzs_zonenmlen = -1;
|
|
static int hf_fcfzs_zonename = -1;
|
|
static int hf_fcfzs_nummbrs = -1;
|
|
static int hf_fcfzs_nummbrentries = -1;
|
|
static int hf_fcfzs_mbrid = -1;
|
|
static int hf_fcfzs_mbridlen = -1;
|
|
static int hf_fcfzs_mbrtype = -1;
|
|
static int hf_fcfzs_reason = -1;
|
|
static int hf_fcfzs_rjtdetail = -1;
|
|
static int hf_fcfzs_rjtvendor = -1;
|
|
static int hf_fcfzs_maxres_size = -1;
|
|
static int hf_fcfzs_mbrid_lun = -1;
|
|
static int hf_fcfzs_gzc_flags = -1;
|
|
static int hf_fcfzs_gzc_flags_hard_zones = -1;
|
|
static int hf_fcfzs_gzc_flags_soft_zones = -1;
|
|
static int hf_fcfzs_gzc_flags_zoneset_db = -1;
|
|
static int hf_fcfzs_zone_state = -1;
|
|
static int hf_fcfzs_soft_zone_set_enforced = -1;
|
|
static int hf_fcfzs_hard_zone_set_enforced = -1;
|
|
|
|
/* Initialize the subtree pointers */
|
|
static gint ett_fcfzs = -1;
|
|
static gint ett_fcfzs_gzc_flags = -1;
|
|
static gint ett_fcfzs_zone_state = -1;
|
|
|
|
typedef struct _fcfzs_conv_key {
|
|
guint32 conv_idx;
|
|
} fcfzs_conv_key_t;
|
|
|
|
typedef struct _fcfzs_conv_data {
|
|
guint32 opcode;
|
|
} fcfzs_conv_data_t;
|
|
|
|
GHashTable *fcfzs_req_hash = NULL;
|
|
|
|
static dissector_handle_t data_handle;
|
|
|
|
/*
|
|
* Hash Functions
|
|
*/
|
|
static gint
|
|
fcfzs_equal(gconstpointer v, gconstpointer w)
|
|
{
|
|
const fcfzs_conv_key_t *v1 = v;
|
|
const fcfzs_conv_key_t *v2 = w;
|
|
|
|
return (v1->conv_idx == v2->conv_idx);
|
|
}
|
|
|
|
static guint
|
|
fcfzs_hash (gconstpointer v)
|
|
{
|
|
const fcfzs_conv_key_t *key = v;
|
|
guint val;
|
|
|
|
val = key->conv_idx;
|
|
|
|
return val;
|
|
}
|
|
|
|
/*
|
|
* Protocol initialization
|
|
*/
|
|
static void
|
|
fcfzs_init_protocol(void)
|
|
{
|
|
if (fcfzs_req_hash)
|
|
g_hash_table_destroy (fcfzs_req_hash);
|
|
|
|
fcfzs_req_hash = g_hash_table_new (fcfzs_hash, fcfzs_equal);
|
|
}
|
|
|
|
/* Code to actually dissect the packets */
|
|
static void
|
|
dissect_fcfzs_zoneset (tvbuff_t *tvb, proto_tree *tree, int offset)
|
|
{
|
|
int numzones, nummbrs, i, j, len;
|
|
|
|
/* The zoneset structure has the following format */
|
|
/* zoneset name (len[not including pad], name, pad),
|
|
* number of zones,
|
|
* for each zone,
|
|
* Zone name (len[not including pad], name, pad), num zone mbrs
|
|
* for each zone mbr,
|
|
* zone mbr id type, zone mbr id (len, name, pad)
|
|
*/
|
|
if (tree) {
|
|
|
|
/* Zoneset Name */
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetnmlen, tvb, offset,
|
|
1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetname, tvb, offset+4,
|
|
len, 0);
|
|
offset += 4 + len + (4-(len % 4));
|
|
|
|
|
|
/* Number of zones */
|
|
numzones = tvb_get_ntohl (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_numzones, tvb, offset, 4, 0);
|
|
offset += 4;
|
|
|
|
/* For each zone... */
|
|
for (i = 0; i < numzones; i++) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonenmlen, tvb, offset,
|
|
1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonename, tvb, offset+4,
|
|
len, 0);
|
|
offset += 4 + len + (4-(len % 4));
|
|
|
|
nummbrs = tvb_get_ntohl (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_nummbrentries, tvb, offset,
|
|
4, 0);
|
|
|
|
offset += 4;
|
|
for (j = 0; j < nummbrs; j++) {
|
|
proto_tree_add_item (tree, hf_fcfzs_mbrtype, tvb, offset, 1, 0);
|
|
|
|
switch (tvb_get_guint8 (tvb, offset)) {
|
|
case FC_FZS_ZONEMBR_PWWN:
|
|
case FC_FZS_ZONEMBR_NWWN:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 8,
|
|
fcwwn_to_str (tvb_get_ptr (tvb,
|
|
offset+4,
|
|
8)));
|
|
break;
|
|
case FC_FZS_ZONEMBR_DP:
|
|
proto_tree_add_string_format (tree,
|
|
hf_fcfzs_mbrid,
|
|
tvb, offset+4, 3, " ",
|
|
"0x%x",
|
|
tvb_get_ntoh24 (tvb,
|
|
offset+4));
|
|
break;
|
|
case FC_FZS_ZONEMBR_FCID:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 4,
|
|
fc_to_str (tvb_get_ptr (tvb,
|
|
offset+4,
|
|
3)));
|
|
break;
|
|
case FC_FZS_ZONEMBR_PWWN_LUN:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 8,
|
|
fcwwn_to_str (tvb_get_ptr (tvb,
|
|
offset+4,
|
|
8)));
|
|
proto_tree_add_item (tree, hf_fcfzs_mbrid_lun, tvb,
|
|
offset+8, 8, 0);
|
|
break;
|
|
case FC_FZS_ZONEMBR_DP_LUN:
|
|
proto_tree_add_string_format (tree,
|
|
hf_fcfzs_mbrid,
|
|
tvb, offset+4, 3, " ",
|
|
"0x%x",
|
|
tvb_get_ntoh24 (tvb,
|
|
offset+4));
|
|
proto_tree_add_item (tree, hf_fcfzs_mbrid_lun, tvb,
|
|
offset+4, 8, 0);
|
|
break;
|
|
case FC_FZS_ZONEMBR_FCID_LUN:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 4,
|
|
fc_to_str (tvb_get_ptr (tvb,
|
|
offset+4,
|
|
3)));
|
|
proto_tree_add_item (tree, hf_fcfzs_mbrid_lun, tvb,
|
|
offset+4, 8, 0);
|
|
break;
|
|
default:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 8,
|
|
"Unknown member type format");
|
|
}
|
|
offset += 12;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static const true_false_string tfs_fc_fcfzs_gzc_flags_hard_zones = {
|
|
"Hard Zones Supported",
|
|
"Hard zones NOT supported"
|
|
};
|
|
static const true_false_string tfs_fc_fcfzs_gzc_flags_soft_zones = {
|
|
"Soft Zones Supported",
|
|
"Soft zones NOT supported"
|
|
};
|
|
static const true_false_string tfs_fc_fcfzs_gzc_flags_zoneset_db = {
|
|
"Zone Set Database is Available",
|
|
"Zone set database is NOT available"
|
|
};
|
|
|
|
static void
|
|
dissect_fcfzs_gzc (tvbuff_t *tvb, int offset, proto_tree *parent_tree, guint8 isreq)
|
|
{
|
|
if (!isreq) {
|
|
guint8 flags;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
flags = tvb_get_guint8 (tvb, offset);
|
|
if(parent_tree){
|
|
item=proto_tree_add_uint(parent_tree, hf_fcfzs_gzc_flags, tvb, offset, 1, flags);
|
|
tree=proto_item_add_subtree(item, ett_fcfzs_gzc_flags);
|
|
}
|
|
|
|
proto_tree_add_boolean(tree, hf_fcfzs_gzc_flags_hard_zones, tvb, offset, 1, flags);
|
|
if (flags&0x80){
|
|
proto_item_append_text(item, " Hard Zones");
|
|
}
|
|
flags&=(~( 0x80 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_fcfzs_gzc_flags_soft_zones, tvb, offset, 1, flags);
|
|
if (flags&0x40){
|
|
proto_item_append_text(item, " Soft Zones");
|
|
}
|
|
flags&=(~( 0x40 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_fcfzs_gzc_flags_zoneset_db, tvb, offset, 1, flags);
|
|
if (flags&0x01){
|
|
proto_item_append_text(item, " ZoneSet Database Available");
|
|
}
|
|
flags&=(~( 0x01 ));
|
|
|
|
proto_tree_add_item (tree, hf_fcfzs_gzc_vendor, tvb, offset+4, 4, 0);
|
|
}
|
|
}
|
|
|
|
static const true_false_string tfs_fc_fcfzs_soft_zone_set_enforced = {
|
|
"Soft Zone Set is ENFORCED",
|
|
"Soft zone set is NOT enforced"
|
|
};
|
|
static const true_false_string tfs_fc_fcfzs_hard_zone_set_enforced = {
|
|
"Hard Zone Set is ENFORCED",
|
|
"Hard zone set is NOT enforced"
|
|
};
|
|
|
|
static void
|
|
dissect_fcfzs_gest (tvbuff_t *tvb, proto_tree *parent_tree, guint8 isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (!isreq) {
|
|
guint8 flags;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
|
|
flags = tvb_get_guint8 (tvb, offset);
|
|
if(parent_tree){
|
|
item=proto_tree_add_uint(parent_tree, hf_fcfzs_zone_state, tvb, offset, 1, flags);
|
|
tree=proto_item_add_subtree(item, ett_fcfzs_zone_state);
|
|
}
|
|
|
|
proto_tree_add_boolean(tree, hf_fcfzs_soft_zone_set_enforced, tvb, offset, 1, flags);
|
|
if (flags&0x80){
|
|
proto_item_append_text(item, " Soft Zone Set Enforced");
|
|
}
|
|
flags&=(~( 0x80 ));
|
|
|
|
proto_tree_add_boolean(tree, hf_fcfzs_hard_zone_set_enforced, tvb, offset, 1, flags);
|
|
if (flags&0x40){
|
|
proto_item_append_text(item, " Hard Zone Set Enforced");
|
|
}
|
|
flags&=(~( 0x40 ));
|
|
|
|
|
|
proto_tree_add_item (parent_tree, hf_fcfzs_gest_vendor, tvb, offset+4, 4, 0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_gzsn (tvbuff_t *tvb, proto_tree *tree, guint8 isreq)
|
|
{
|
|
int numrec, i, len;
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (tree) {
|
|
if (!isreq) {
|
|
numrec = tvb_get_ntohl (tvb, offset);
|
|
|
|
proto_tree_add_item (tree, hf_fcfzs_numzonesetattrs, tvb, offset,
|
|
4, 0);
|
|
|
|
offset += 4;
|
|
for (i = 0; i < numrec; i++) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetnmlen, tvb, offset,
|
|
1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetname, tvb, offset+1,
|
|
len, 0);
|
|
offset += len + 1 + (len % 4);
|
|
proto_tree_add_item (tree, hf_fcfzs_numzones, tvb, offset,
|
|
4, 0);
|
|
offset += 4;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_gzd (tvbuff_t *tvb, proto_tree *tree, guint8 isreq)
|
|
{
|
|
int numrec, i, len;
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (tree) {
|
|
if (isreq) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetnmlen, tvb, offset,
|
|
1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetname, tvb, offset+1,
|
|
len, 0);
|
|
}
|
|
else {
|
|
numrec = tvb_get_ntohl (tvb, offset);
|
|
|
|
proto_tree_add_item (tree, hf_fcfzs_numzoneattrs, tvb, offset,
|
|
4, 0);
|
|
|
|
offset += 4;
|
|
for (i = 0; i < numrec; i++) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonenmlen, tvb, offset,
|
|
1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonename, tvb, offset+1,
|
|
len, 0);
|
|
offset += len + 1 + (len % 4);
|
|
proto_tree_add_item (tree, hf_fcfzs_nummbrs, tvb, offset,
|
|
4, 0);
|
|
offset += 4;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_gzm (tvbuff_t *tvb, proto_tree *tree, guint8 isreq)
|
|
{
|
|
int numrec, i, len;
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (tree) {
|
|
if (isreq) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonenmlen, tvb, offset,
|
|
1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonename, tvb, offset+1,
|
|
len, 0);
|
|
}
|
|
else {
|
|
numrec = tvb_get_ntohl (tvb, offset);
|
|
|
|
proto_tree_add_item (tree, hf_fcfzs_nummbrentries, tvb, offset,
|
|
4, 0);
|
|
offset += 4;
|
|
for (i = 0; i < numrec; i++) {
|
|
proto_tree_add_item (tree, hf_fcfzs_mbrtype, tvb, offset, 1, 0);
|
|
switch (tvb_get_guint8 (tvb, offset)) {
|
|
case FC_FZS_ZONEMBR_PWWN:
|
|
case FC_FZS_ZONEMBR_NWWN:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 8,
|
|
fcwwn_to_str (tvb_get_ptr (tvb,
|
|
offset+4,
|
|
8)));
|
|
break;
|
|
case FC_FZS_ZONEMBR_DP:
|
|
proto_tree_add_string_format (tree,
|
|
hf_fcfzs_mbrid,
|
|
tvb, offset+4, 3, " ",
|
|
"0x%x",
|
|
tvb_get_ntoh24 (tvb,
|
|
offset+4));
|
|
break;
|
|
case FC_FZS_ZONEMBR_FCID:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 4,
|
|
fc_to_str (tvb_get_ptr (tvb,
|
|
offset+4,
|
|
3)));
|
|
break;
|
|
default:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 8,
|
|
"Unknown member type format");
|
|
}
|
|
offset += 12;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_gazs (tvbuff_t *tvb, proto_tree *tree, guint8 isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (tree) {
|
|
if (!isreq) {
|
|
dissect_fcfzs_zoneset (tvb, tree, offset);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_gzs (tvbuff_t *tvb, proto_tree *tree, guint8 isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
int len;
|
|
|
|
if (tree) {
|
|
if (isreq) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetnmlen, tvb, offset,
|
|
1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetname, tvb, offset+4,
|
|
len, 0);
|
|
}
|
|
else {
|
|
dissect_fcfzs_zoneset (tvb, tree, offset);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_adzs (tvbuff_t *tvb, proto_tree *tree, guint8 isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (tree) {
|
|
if (isreq) {
|
|
dissect_fcfzs_zoneset (tvb, tree, offset);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_azsd (tvbuff_t *tvb, proto_tree *tree, guint8 isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (tree) {
|
|
if (isreq) {
|
|
dissect_fcfzs_zoneset (tvb, tree, offset);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_arzs (tvbuff_t *tvb, proto_tree *tree, guint8 isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
int len;
|
|
|
|
if (tree) {
|
|
if (isreq) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetnmlen, tvb, offset,
|
|
1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetname, tvb, offset+4,
|
|
len, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_dzs (tvbuff_t *tvb _U_, proto_tree *tree _U_, guint8 isreq _U_)
|
|
{
|
|
/* Both req & successful response contain just the FC_CT header */
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_arzm (tvbuff_t *tvb, proto_tree *tree, guint8 isreq)
|
|
{
|
|
int numrec, i, len, plen;
|
|
int offset = 16; /* past the fc_ct header */
|
|
|
|
if (tree) {
|
|
if (isreq) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonenmlen, tvb, offset,
|
|
1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonename, tvb, offset+1,
|
|
len, 0);
|
|
|
|
len += (len % 4);
|
|
plen = tvb_length (tvb) - offset - len;
|
|
|
|
numrec = plen/12; /* each mbr rec is 12 bytes long */
|
|
|
|
offset += len;
|
|
for (i = 0; i < numrec; i++) {
|
|
proto_tree_add_item (tree, hf_fcfzs_mbrtype, tvb, offset, 1, 0);
|
|
switch (tvb_get_guint8 (tvb, offset)) {
|
|
case FC_FZS_ZONEMBR_PWWN:
|
|
case FC_FZS_ZONEMBR_NWWN:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 8,
|
|
fcwwn_to_str (tvb_get_ptr (tvb,
|
|
offset+4,
|
|
8)));
|
|
break;
|
|
case FC_FZS_ZONEMBR_DP:
|
|
proto_tree_add_string_format (tree,
|
|
hf_fcfzs_mbrid,
|
|
tvb, offset+4, 3, " ",
|
|
"0x%x",
|
|
tvb_get_ntoh24 (tvb,
|
|
offset+4));
|
|
break;
|
|
case FC_FZS_ZONEMBR_FCID:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 4,
|
|
fc_to_str (tvb_get_ptr (tvb,
|
|
offset+4,
|
|
3)));
|
|
break;
|
|
default:
|
|
proto_tree_add_string (tree, hf_fcfzs_mbrid, tvb,
|
|
offset+4, 8,
|
|
"Unknown member type format");
|
|
}
|
|
offset += 12;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_arzd (tvbuff_t *tvb, proto_tree *tree, guint8 isreq)
|
|
{
|
|
int offset = 16; /* past the fc_ct header */
|
|
int len;
|
|
|
|
if (tree) {
|
|
if (isreq) {
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetnmlen, tvb, offset,
|
|
1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonesetname, tvb, offset+4,
|
|
len, 0);
|
|
len += (len % 4);
|
|
offset += len;
|
|
|
|
len = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonenmlen, tvb, offset, 1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_zonename, tvb, offset+4,
|
|
len, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs_rjt (tvbuff_t *tvb, proto_tree *tree)
|
|
{
|
|
int offset = 0;
|
|
|
|
if (tree) {
|
|
proto_tree_add_item (tree, hf_fcfzs_reason, tvb, offset+13, 1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_rjtdetail, tvb, offset+14, 1, 0);
|
|
proto_tree_add_item (tree, hf_fcfzs_rjtvendor, tvb, offset+15, 1, 0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_fcfzs (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
proto_item *ti;
|
|
proto_tree *fcfzs_tree = NULL;
|
|
int offset = 0;
|
|
fc_ct_preamble cthdr;
|
|
int opcode,
|
|
failed_opcode = 0;
|
|
conversation_t *conversation;
|
|
fcfzs_conv_data_t *cdata;
|
|
fcfzs_conv_key_t ckey, *req_key;
|
|
guint8 isreq = 1;
|
|
|
|
/* Make entries in Protocol column and Info column on summary display */
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Zone Server");
|
|
|
|
|
|
tvb_memcpy (tvb, (guint8 *)&cthdr, offset, FCCT_PRMBL_SIZE);
|
|
cthdr.revision = tvb_get_guint8 (tvb, offset+1);
|
|
cthdr.in_id = tvb_get_ntoh24 (tvb, offset);
|
|
cthdr.opcode = g_ntohs (cthdr.opcode);
|
|
opcode = cthdr.opcode;
|
|
cthdr.maxres_size = g_ntohs (cthdr.maxres_size);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_protocol_format (tree, proto_fcfzs, tvb, 0,
|
|
tvb_length (tvb),
|
|
"Zone Server");
|
|
fcfzs_tree = proto_item_add_subtree (ti, ett_fcfzs);
|
|
proto_tree_add_item (fcfzs_tree, hf_fcfzs_opcode, tvb, offset+8, 2, 0);
|
|
proto_tree_add_item (fcfzs_tree, hf_fcfzs_maxres_size, tvb, offset+10,
|
|
2, 0);
|
|
}
|
|
|
|
if ((opcode != FCCT_MSG_ACC) && (opcode != FCCT_MSG_RJT)) {
|
|
conversation = find_conversation (pinfo->fd->num, &pinfo->src, &pinfo->dst,
|
|
pinfo->ptype, pinfo->oxid,
|
|
pinfo->rxid, NO_PORT2);
|
|
if (!conversation) {
|
|
conversation = conversation_new (pinfo->fd->num, &pinfo->src, &pinfo->dst,
|
|
pinfo->ptype, pinfo->oxid,
|
|
pinfo->rxid, NO_PORT2);
|
|
}
|
|
|
|
ckey.conv_idx = conversation->index;
|
|
|
|
cdata = (fcfzs_conv_data_t *)g_hash_table_lookup (fcfzs_req_hash,
|
|
&ckey);
|
|
if (cdata) {
|
|
/* Since we never free the memory used by an exchange, this maybe a
|
|
* case of another request using the same exchange as a previous
|
|
* req.
|
|
*/
|
|
cdata->opcode = opcode;
|
|
}
|
|
else {
|
|
req_key = se_alloc (sizeof(fcfzs_conv_key_t));
|
|
req_key->conv_idx = conversation->index;
|
|
|
|
cdata = se_alloc (sizeof(fcfzs_conv_data_t));
|
|
cdata->opcode = opcode;
|
|
|
|
g_hash_table_insert (fcfzs_req_hash, req_key, cdata);
|
|
}
|
|
if (check_col (pinfo->cinfo, COL_INFO)) {
|
|
col_set_str (pinfo->cinfo, COL_INFO, val_to_str (opcode, fc_fzs_opcode_val,
|
|
"0x%x"));
|
|
}
|
|
}
|
|
else {
|
|
/* Opcode is ACC or RJT */
|
|
conversation = find_conversation (pinfo->fd->num, &pinfo->src, &pinfo->dst,
|
|
pinfo->ptype, pinfo->oxid,
|
|
pinfo->rxid, NO_PORT2);
|
|
isreq = 0;
|
|
if (!conversation) {
|
|
if (tree && (opcode == FCCT_MSG_ACC)) {
|
|
if (check_col (pinfo->cinfo, COL_INFO)) {
|
|
col_set_str (pinfo->cinfo, COL_INFO,
|
|
val_to_str (opcode, fc_fzs_opcode_val,
|
|
"0x%x"));
|
|
}
|
|
/* No record of what this accept is for. Can't decode */
|
|
proto_tree_add_text (fcfzs_tree, tvb, 0, tvb_length (tvb),
|
|
"No record of Exchg. Unable to decode MSG_ACC");
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
ckey.conv_idx = conversation->index;
|
|
|
|
cdata = (fcfzs_conv_data_t *)g_hash_table_lookup (fcfzs_req_hash, &ckey);
|
|
|
|
if (cdata != NULL) {
|
|
if (opcode == FCCT_MSG_ACC)
|
|
opcode = cdata->opcode;
|
|
else
|
|
failed_opcode = cdata->opcode;
|
|
}
|
|
|
|
if (check_col (pinfo->cinfo, COL_INFO)) {
|
|
if (opcode != FCCT_MSG_RJT) {
|
|
col_add_fstr (pinfo->cinfo, COL_INFO, "MSG_ACC (%s)",
|
|
val_to_str (opcode,
|
|
fc_fzs_opcode_val, "0x%x"));
|
|
}
|
|
else {
|
|
col_add_fstr (pinfo->cinfo, COL_INFO, "MSG_RJT (%s)",
|
|
val_to_str (failed_opcode,
|
|
fc_fzs_opcode_val, "0x%x"));
|
|
}
|
|
}
|
|
|
|
if (tree) {
|
|
if ((cdata == NULL) && (opcode != FCCT_MSG_RJT)) {
|
|
/* No record of what this accept is for. Can't decode */
|
|
proto_tree_add_text (fcfzs_tree, tvb, 0, tvb_length (tvb),
|
|
"No record of Exchg. Unable to decode MSG_ACC/RJT");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
switch (opcode) {
|
|
case FCCT_MSG_RJT:
|
|
dissect_fcfzs_rjt (tvb, fcfzs_tree);
|
|
break;
|
|
case FC_FZS_GZC:
|
|
dissect_fcfzs_gzc (tvb, 16, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_GEST:
|
|
dissect_fcfzs_gest (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_GZSN:
|
|
dissect_fcfzs_gzsn (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_GZD:
|
|
dissect_fcfzs_gzd (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_GZM:
|
|
dissect_fcfzs_gzm (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_GAZS:
|
|
dissect_fcfzs_gazs (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_GZS:
|
|
dissect_fcfzs_gzs (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_ADZS:
|
|
dissect_fcfzs_adzs (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_AZSD:
|
|
dissect_fcfzs_azsd (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_AZS:
|
|
dissect_fcfzs_arzs (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_DZS:
|
|
dissect_fcfzs_dzs (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_AZM:
|
|
dissect_fcfzs_arzm (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_AZD:
|
|
dissect_fcfzs_arzd (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_RZM:
|
|
dissect_fcfzs_arzm (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_RZD:
|
|
dissect_fcfzs_arzd (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
case FC_FZS_RZS:
|
|
dissect_fcfzs_arzs (tvb, fcfzs_tree, isreq);
|
|
break;
|
|
default:
|
|
call_dissector (data_handle, tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Register the protocol with Wireshark */
|
|
|
|
/* this format is require because a script is used to build the C function
|
|
that calls all the protocol registration.
|
|
*/
|
|
|
|
void
|
|
proto_register_fcfzs(void)
|
|
{
|
|
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
static hf_register_info hf[] = {
|
|
{ &hf_fcfzs_opcode,
|
|
{"Opcode", "fcfzs.opcode", FT_UINT16, BASE_HEX,
|
|
VALS (fc_fzs_opcode_val), 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_gzc_vendor,
|
|
{"Vendor Specific Flags", "fcfzs.gzc.vendor", FT_UINT32, BASE_HEX,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_gest_vendor,
|
|
{"Vendor Specific State", "fcfzs.gest.vendor", FT_UINT32, BASE_HEX,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_numzoneattrs,
|
|
{"Number of Zone Attribute Entries", "fcfzs.zone.numattrs",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_zonesetnmlen,
|
|
{"Zone Set Name Length", "fcfzs.zoneset.namelen", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_zonesetname,
|
|
{"Zone Set Name", "fcfzs.zoneset.name", FT_STRING, BASE_HEX, NULL,
|
|
0x0, "", HFILL}},
|
|
{ &hf_fcfzs_numzones,
|
|
{"Number of Zones", "fcfzs.zoneset.numzones", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_numzonesetattrs,
|
|
{"Number of Zone Set Attribute Entries", "fcfzs.zoneset.numattrs",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_zonenmlen,
|
|
{"Zone Name Length", "fcfzs.zone.namelen", FT_UINT8, BASE_DEC, NULL,
|
|
0x0, "", HFILL}},
|
|
{ &hf_fcfzs_zonename,
|
|
{"Zone Name", "fcfzs.zone.name", FT_STRING, BASE_HEX, NULL, 0x0, "",
|
|
HFILL}},
|
|
{ &hf_fcfzs_nummbrs,
|
|
{"Number of Zone Members", "fcfzs.zone.nummbrs", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_nummbrentries,
|
|
{"Number of Zone Member Attribute Entries", "fcfzs.zonembr.numattrs",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_mbrtype,
|
|
{"Zone Member Identifier Type", "fcfzs.zonembr.idtype", FT_UINT8,
|
|
BASE_HEX, VALS (fc_fzs_zonembr_type_val), 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_mbridlen,
|
|
{"Zone Member Identifier Length", "fcfzs.zonembr.idlen", FT_UINT8,
|
|
BASE_DEC, NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_mbrid,
|
|
{"Zone Member Identifier", "fcfzs.zone.mbrid", FT_STRING, BASE_HEX,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_reason,
|
|
{"Reason Code", "fcfzs.reason", FT_UINT8, BASE_HEX,
|
|
VALS (fc_ct_rjt_code_vals), 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_rjtdetail,
|
|
{"Reason Code Explanation", "fcfzs.rjtdetail", FT_UINT8, BASE_HEX,
|
|
VALS (fc_fzs_rjt_code_val), 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_rjtvendor,
|
|
{"Vendor Specific Reason", "fcfzs.rjtvendor", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_maxres_size,
|
|
{"Maximum/Residual Size", "fcfzs.maxres_size", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "", HFILL}},
|
|
{ &hf_fcfzs_mbrid_lun,
|
|
{"LUN", "fcfzs.zone.lun", FT_BYTES, BASE_HEX, NULL, 0x0, "",
|
|
HFILL}},
|
|
{ &hf_fcfzs_gzc_flags,
|
|
{"Capabilities", "fcfzs.gzc.flags", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"", HFILL}},
|
|
{ &hf_fcfzs_gzc_flags_hard_zones,
|
|
{"Hard Zones", "fcfzs.gzc.flags.hard_zones", FT_BOOLEAN, 8,
|
|
TFS(&tfs_fc_fcfzs_gzc_flags_hard_zones), 0x80, "", HFILL}},
|
|
{ &hf_fcfzs_gzc_flags_soft_zones,
|
|
{"Soft Zones", "fcfzs.gzc.flags.soft_zones", FT_BOOLEAN, 8,
|
|
TFS(&tfs_fc_fcfzs_gzc_flags_soft_zones), 0x40, "", HFILL}},
|
|
{ &hf_fcfzs_gzc_flags_zoneset_db,
|
|
{"ZoneSet Database", "fcfzs.gzc.flags.zoneset_db", FT_BOOLEAN, 8,
|
|
TFS(&tfs_fc_fcfzs_gzc_flags_zoneset_db), 0x01, "", HFILL}},
|
|
{ &hf_fcfzs_zone_state,
|
|
{"Zone State", "fcfzs.zone.state", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"", HFILL}},
|
|
{ &hf_fcfzs_soft_zone_set_enforced,
|
|
{"Soft Zone Set", "fcfzs.soft_zone_set.enforced", FT_BOOLEAN, 8,
|
|
TFS(&tfs_fc_fcfzs_soft_zone_set_enforced), 0x80, "", HFILL}},
|
|
{ &hf_fcfzs_hard_zone_set_enforced,
|
|
{"Hard Zone Set", "fcfzs.hard_zone_set.enforced", FT_BOOLEAN, 8,
|
|
TFS(&tfs_fc_fcfzs_hard_zone_set_enforced), 0x40, "", HFILL}},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_fcfzs,
|
|
&ett_fcfzs_gzc_flags,
|
|
&ett_fcfzs_zone_state,
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_fcfzs = proto_register_protocol("Fibre Channel Fabric Zone Server", "FC FZS", "fcfzs");
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_fcfzs, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
register_init_routine (&fcfzs_init_protocol);
|
|
|
|
}
|
|
|
|
/* If this dissector uses sub-dissector registration add a registration routine.
|
|
This format is required because a script is used to find these routines and
|
|
create the code that calls these routines.
|
|
*/
|
|
void
|
|
proto_reg_handoff_fcfzs (void)
|
|
{
|
|
dissector_handle_t fzs_handle;
|
|
|
|
fzs_handle = create_dissector_handle (dissect_fcfzs, proto_fcfzs);
|
|
dissector_add("fcct.server", FCCT_GSRVR_FZS, fzs_handle);
|
|
|
|
data_handle = find_dissector ("data");
|
|
}
|
|
|
|
|