* Based on routines from tcpdump patches by
* Ken Hornstein <kenh@cmf.nrl.navy.mil>
*
- * $Id: packet-rx.c,v 1.16 2001/01/03 06:55:31 guy Exp $
+ * $Id: packet-rx.c,v 1.39 2003/09/21 20:06:01 gerald Exp $
*
* Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@zing.org>
+ * By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* Copied from packet-tftp.c
#include <stdio.h>
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#ifdef HAVE_NETINET_IN_H
-# include <netinet/in.h>
-#endif
-
#include <string.h>
#include <glib.h>
-#include "packet.h"
+#include <epan/packet.h>
#include "packet-rx.h"
-#include "packet-afs.h"
-#include "resolv.h"
+#include <epan/resolv.h>
#define UDP_PORT_RX_LOW 7000
#define UDP_PORT_RX_HIGH 7009
{ 0, NULL },
};
-static const value_string rx_flags[] = {
- { RX_CLIENT_INITIATED, "client-init" },
- { RX_REQUEST_ACK, "req-ack" },
- { RX_LAST_PACKET, "last-pckt" },
- { RX_MORE_PACKETS, "more-pckts" },
- { RX_FREE_PACKET, "free-pckt" }
+static const value_string rx_reason[] = {
+ { RX_ACK_REQUESTED, "Ack Requested" },
+ { RX_ACK_DUPLICATE, "Duplicate Packet" },
+ { RX_ACK_OUT_OF_SEQUENCE, "Out Of Sequence" },
+ { RX_ACK_EXEEDS_WINDOW, "Exceeds Window" },
+ { RX_ACK_NOSPACE, "No Space" },
+ { RX_ACK_PING, "Ping" },
+ { RX_ACK_PING_RESPONSE, "Ping Response" },
+ { RX_ACK_DELAY, "Delay" },
+ { RX_ACK_IDLE, "Idle" },
+ { 0, NULL }
};
-static int proto_rx = -1;
+static const value_string rx_ack_type[] = {
+ { RX_ACK_TYPE_NACK, "NACK" },
+ { RX_ACK_TYPE_ACK, "ACK" },
+ { 0, NULL }
+};
+static int proto_rx = -1;
static int hf_rx_epoch = -1;
static int hf_rx_cid = -1;
static int hf_rx_seq = -1;
static int hf_rx_securityindex = -1;
static int hf_rx_spare = -1;
static int hf_rx_serviceid = -1;
+static int hf_rx_bufferspace = -1;
+static int hf_rx_maxskew = -1;
+static int hf_rx_first_packet = -1;
+static int hf_rx_prev_packet = -1;
+static int hf_rx_reason = -1;
+static int hf_rx_numacks = -1;
+static int hf_rx_ack_type = -1;
+static int hf_rx_ack = -1;
+static int hf_rx_challenge = -1;
+static int hf_rx_version = -1;
+static int hf_rx_nonce = -1;
+static int hf_rx_inc_nonce = -1;
+static int hf_rx_min_level = -1;
+static int hf_rx_level = -1;
+static int hf_rx_response = -1;
+static int hf_rx_encrypted = -1;
+static int hf_rx_kvno = -1;
+static int hf_rx_ticket_len = -1;
+static int hf_rx_ticket = -1;
+static int hf_rx_ifmtu = -1;
+static int hf_rx_maxmtu = -1;
+static int hf_rx_rwind = -1;
+static int hf_rx_maxpackets = -1;
+static int hf_rx_abort = -1;
+static int hf_rx_abortcode = -1;
static gint ett_rx = -1;
static gint ett_rx_flags = -1;
+static gint ett_rx_ack = -1;
+static gint ett_rx_challenge = -1;
+static gint ett_rx_response = -1;
+static gint ett_rx_encrypted = -1;
+static gint ett_rx_abort = -1;
-static void
-dissect_rx(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
+static dissector_handle_t afs_handle;
+
+static int
+dissect_rx_response_encrypted(tvbuff_t *tvb, proto_tree *parent_tree, int offset)
+{
+ proto_tree *tree;
+ proto_item *item;
+ int old_offset=offset;
+ int i;
+ guint32 callnumber;
+
+ item = proto_tree_add_item(parent_tree, hf_rx_encrypted, tvb, offset, -1, FALSE);
+ tree = proto_item_add_subtree(item, ett_rx_encrypted);
+
+ /* epoch : 4 bytes */
+ {
+ nstime_t ts;
+ ts.secs = tvb_get_ntohl(tvb, offset);
+ ts.nsecs = 0;
+
+ proto_tree_add_time(tree, hf_rx_epoch, tvb,
+ offset, 4, &ts);
+ offset += 4;
+ }
+
+ /* cid : 4 bytes */
+ proto_tree_add_item(tree, hf_rx_cid, tvb, offset, 4, FALSE);
+ offset += 4;
+
+ /*FIXME dont know how to handle this checksum, skipping it */
+ offset += 4;
+
+ /* sequrityindex : 1 byte */
+ proto_tree_add_item(tree, hf_rx_securityindex, tvb, offset, 1, FALSE);
+ offset += 4;
+
+ for (i=0; i<RX_MAXCALLS; i++) {
+ /* callnumber : 4 bytes */
+ callnumber = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_uint(tree, hf_rx_callnumber, tvb,
+ offset, 4, callnumber);
+ offset += 4;
+ }
+
+ /* inc nonce : 4 bytes */
+ proto_tree_add_item(tree, hf_rx_inc_nonce, tvb, offset, 4, FALSE);
+ offset += 4;
+
+ /* level : 4 bytes */
+ proto_tree_add_item(tree, hf_rx_level, tvb, offset, 4, FALSE);
+ offset += 4;
+
+ proto_item_set_len(item, offset-old_offset);
+ return offset;
+}
+
+
+static int
+dissect_rx_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int offset, guint32 seq, guint32 callnumber)
+{
+ proto_tree *tree;
+ proto_item *item;
+ guint32 version, tl;
+ int old_offset=offset;
+
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_add_fstr(pinfo->cinfo, COL_INFO,
+ "RESPONSE "
+ "Seq: %lu "
+ "Call: %lu "
+ "Source Port: %s "
+ "Destination Port: %s ",
+ (unsigned long)seq,
+ (unsigned long)callnumber,
+ get_udp_port(pinfo->srcport),
+ get_udp_port(pinfo->destport)
+ );
+ }
+
+ item = proto_tree_add_item(parent_tree, hf_rx_response, tvb, offset, -1, FALSE);
+ tree = proto_item_add_subtree(item, ett_rx_response);
+
+ version = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_uint(tree, hf_rx_version, tvb,
+ offset, 4, version);
+ offset += 4;
+
+ if (version==2) {
+ /* skip unused */
+ offset += 4;
+
+ /* encrypted : struct */
+ offset = dissect_rx_response_encrypted(tvb, tree, offset);
+
+ /* kvno */
+ proto_tree_add_item(tree, hf_rx_kvno, tvb, offset, 4, FALSE);
+ offset += 4;
+
+ /* ticket_len */
+ tl = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_uint(tree, hf_rx_ticket_len, tvb,
+ offset, 4, tl);
+ offset += 4;
+
+ proto_tree_add_item(tree, hf_rx_ticket, tvb, offset, tl, FALSE);
+ offset += tl;
+ }
+
+ proto_item_set_len(item, offset-old_offset);
+ return offset;
+}
+
+static int
+dissect_rx_abort(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int offset, guint32 seq, guint32 callnumber)
{
- proto_tree *rx_tree, *rx_tree_flags, *rx_flags, *ti;
- struct rx_header *rxh;
- int reply;
-
- OLD_CHECK_DISPLAY_AS_DATA(proto_rx, pd, offset, fd, tree);
-
- rxh = (struct rx_header *) &pd[offset];
-
- /* get at least a full packet structure */
- if ( !BYTES_ARE_IN_FRAME(offset, sizeof(struct rx_header)) )
- return;
-
- if (check_col(fd, COL_PROTOCOL))
- col_set_str(fd, COL_PROTOCOL, "RX");
-
-
- if (tree) {
- ti = proto_tree_add_protocol_format(tree, proto_rx, NullTVB, offset,
- sizeof(struct rx_header), "RX Protocol (%s)",
- val_to_str(rxh->type,rx_types,"unknown (%d)"));
- rx_tree = proto_item_add_subtree(ti, ett_rx);
-
- proto_tree_add_uint(rx_tree, hf_rx_epoch, NullTVB,
- offset, 4, pntohl(&rxh->epoch));
- proto_tree_add_uint(rx_tree, hf_rx_cid, NullTVB,
- offset+4, 4, pntohl(&rxh->cid));
- proto_tree_add_uint(rx_tree, hf_rx_callnumber, NullTVB,
- offset+8, 4, pntohl(&rxh->callNumber));
- proto_tree_add_uint(rx_tree, hf_rx_seq, NullTVB,
- offset+12, 4, pntohl(&rxh->seq));
- proto_tree_add_uint(rx_tree, hf_rx_serial, NullTVB,
- offset+16, 4, pntohl(&rxh->serial));
-
- proto_tree_add_uint(rx_tree, hf_rx_type, NullTVB,
- offset+20, 1, rxh->type);
-
- rx_flags = proto_tree_add_uint(rx_tree, hf_rx_flags, NullTVB,
- offset+21, 1, rxh->flags);
- rx_tree_flags = proto_item_add_subtree(rx_flags, ett_rx_flags);
- proto_tree_add_uint(rx_tree_flags, hf_rx_flags_free_packet, NullTVB,
- offset+21, 1, rxh->flags);
- proto_tree_add_uint(rx_tree_flags, hf_rx_flags_more_packets, NullTVB,
- offset+21, 1, rxh->flags);
- proto_tree_add_uint(rx_tree_flags, hf_rx_flags_last_packet, NullTVB,
- offset+21, 1, rxh->flags);
- proto_tree_add_uint(rx_tree_flags, hf_rx_flags_request_ack, NullTVB,
- offset+21, 1, rxh->flags);
- proto_tree_add_uint(rx_tree_flags, hf_rx_flags_clientinit, NullTVB,
- offset+21, 1, rxh->flags);
-
- proto_tree_add_uint(rx_tree, hf_rx_userstatus, NullTVB,
- offset+22, 1, rxh->userStatus);
- proto_tree_add_uint(rx_tree, hf_rx_securityindex, NullTVB,
- offset+23, 1, rxh->securityIndex);
- proto_tree_add_uint(rx_tree, hf_rx_spare, NullTVB,
- offset+24, 2, pntohs(&rxh->spare));
- proto_tree_add_uint(rx_tree, hf_rx_serviceid, NullTVB,
- offset+26, 2, pntohs(&rxh->serviceId));
+ proto_tree *tree;
+ proto_item *item;
+ int old_offset=offset;
+
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_add_fstr(pinfo->cinfo, COL_INFO,
+ "ABORT "
+ "Seq: %lu "
+ "Call: %lu "
+ "Source Port: %s "
+ "Destination Port: %s ",
+ (unsigned long)seq,
+ (unsigned long)callnumber,
+ get_udp_port(pinfo->srcport),
+ get_udp_port(pinfo->destport)
+ );
}
- if (check_col(fd, COL_INFO))
- col_add_fstr(fd, COL_INFO,
- "Type: %s "
+ item = proto_tree_add_item(parent_tree, hf_rx_abort, tvb, offset, -1, FALSE);
+ tree = proto_item_add_subtree(item, ett_rx_abort);
+
+ /* kvno */
+ proto_tree_add_item(tree, hf_rx_abortcode, tvb, offset, 4, FALSE);
+ offset += 4;
+
+ proto_item_set_len(item, offset-old_offset);
+ return offset;
+}
+
+
+static int
+dissect_rx_challenge(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int offset, guint32 seq, guint32 callnumber)
+{
+ proto_tree *tree;
+ proto_item *item;
+ guint32 version;
+ int old_offset=offset;
+
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_add_fstr(pinfo->cinfo, COL_INFO,
+ "CHALLENGE "
"Seq: %lu "
"Call: %lu "
"Source Port: %s "
"Destination Port: %s ",
- val_to_str(rxh->type, rx_types, "%d"),
- (unsigned long)pntohl(&rxh->seq),
- (unsigned long)pntohl(&rxh->callNumber),
- get_udp_port(pi.srcport),
- get_udp_port(pi.destport)
+ (unsigned long)seq,
+ (unsigned long)callnumber,
+ get_udp_port(pinfo->srcport),
+ get_udp_port(pinfo->destport)
);
+ }
+
+ item = proto_tree_add_item(parent_tree, hf_rx_challenge, tvb, offset, -1, FALSE);
+ tree = proto_item_add_subtree(item, ett_rx_challenge);
+
+ version = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_uint(tree, hf_rx_version, tvb,
+ offset, 4, version);
+ offset += 4;
+
+ if (version==2) {
+ proto_tree_add_item(tree, hf_rx_nonce, tvb, offset, 4, FALSE);
+ offset += 4;
+
+ proto_tree_add_item(tree, hf_rx_min_level, tvb, offset, 4, FALSE);
+ offset += 4;
+ }
+
+ proto_item_set_len(item, offset-old_offset);
+ return offset;
+}
+
+static int
+dissect_rx_acks(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int offset, guint32 seq, guint32 callnumber)
+{
+ proto_tree *tree;
+ proto_item *item;
+ guint8 num;
+ int old_offset = offset;
+
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_add_fstr(pinfo->cinfo, COL_INFO,
+ "ACK "
+ "Seq: %lu "
+ "Call: %lu "
+ "Source Port: %s "
+ "Destination Port: %s ",
+ (unsigned long)seq,
+ (unsigned long)callnumber,
+ get_udp_port(pinfo->srcport),
+ get_udp_port(pinfo->destport)
+ );
+ }
+
+ item = proto_tree_add_item(parent_tree, hf_rx_ack, tvb, offset, -1, FALSE);
+ tree = proto_item_add_subtree(item, ett_rx_ack);
+
+
+ /* bufferspace: 2 bytes*/
+ proto_tree_add_item(tree, hf_rx_bufferspace, tvb, offset, 2, FALSE);
+ offset += 2;
+
+ /* maxskew: 2 bytes*/
+ proto_tree_add_item(tree, hf_rx_maxskew, tvb, offset, 2, FALSE);
+ offset += 2;
+
+ /* first packet: 4 bytes*/
+ proto_tree_add_item(tree, hf_rx_first_packet, tvb, offset, 4, FALSE);
+ offset += 4;
+
+ /* prev packet: 4 bytes*/
+ proto_tree_add_item(tree, hf_rx_prev_packet, tvb, offset, 4, FALSE);
+ offset += 4;
+
+ /* serial : 4 bytes */
+ proto_tree_add_item(tree, hf_rx_serial, tvb, offset, 4, FALSE);
+ offset += 4;
- reply = (rxh->flags & RX_CLIENT_INITIATED) == 0;
- if ( (rxh->type == RX_PACKET_TYPE_ABORT && reply) ||
- rxh->type == RX_PACKET_TYPE_DATA )
+ /* reason : 1 byte */
+ proto_tree_add_item(tree, hf_rx_reason, tvb, offset, 1, FALSE);
+ offset += 1;
+
+ /* nACKs */
+ num = tvb_get_guint8(tvb, offset);
+ proto_tree_add_uint(tree, hf_rx_numacks, tvb, offset, 1, num);
+ offset += 1;
+
+ while(num--){
+ proto_tree_add_item(tree, hf_rx_ack_type, tvb, offset, 1,
+ FALSE);
+ offset += 1;
+ }
+
+ /* Some implementations adds some extra fields.
+ * As far as I can see, these first add 3 padding bytes and then
+ * up to 4 32-bit values. (0,3,4 have been witnessed)
+ *
+ * RX as a protocol seems to be completely nondefined and seems to lack
+ * any sort of documentation other than "read the source of any of the
+ * (compatible?) implementations.
+ */
+ if (tvb_length_remaining(tvb, offset)>3) {
+ offset += 3; /* guess. some implementations adds 3 bytes */
+
+ if (tvb_reported_length_remaining(tvb, offset) >= 4){
+ proto_tree_add_item(tree, hf_rx_ifmtu, tvb, offset, 4,
+ FALSE);
+ offset += 4;
+ }
+ if (tvb_reported_length_remaining(tvb, offset) >= 4){
+ proto_tree_add_item(tree, hf_rx_maxmtu, tvb, offset, 4,
+ FALSE);
+ offset += 4;
+ }
+ if (tvb_reported_length_remaining(tvb, offset) >= 4){
+ proto_tree_add_item(tree, hf_rx_rwind, tvb, offset, 4,
+ FALSE);
+ offset += 4;
+ }
+ if (tvb_reported_length_remaining(tvb, offset) >= 4){
+ proto_tree_add_item(tree, hf_rx_maxpackets, tvb, offset, 4,
+ FALSE);
+ offset += 4;
+ }
+ }
+
+ proto_item_set_len(item, offset-old_offset);
+ return offset;
+}
+
+
+static int
+dissect_rx_flags(tvbuff_t *tvb, struct rxinfo *rxinfo, proto_tree *parent_tree, int offset)
+{
+ proto_tree *tree;
+ proto_item *item;
+ guint8 flags;
+
+ flags = tvb_get_guint8(tvb, offset);
+ rxinfo->flags = flags;
+
+ item = proto_tree_add_uint(parent_tree, hf_rx_flags, tvb,
+ offset, 1, flags);
+ tree = proto_item_add_subtree(item, ett_rx_flags);
+
+ proto_tree_add_boolean(tree, hf_rx_flags_free_packet, tvb,
+ offset, 1, flags);
+ proto_tree_add_boolean(tree, hf_rx_flags_more_packets, tvb,
+ offset, 1, flags);
+ proto_tree_add_boolean(tree, hf_rx_flags_last_packet, tvb,
+ offset, 1, flags);
+ proto_tree_add_boolean(tree, hf_rx_flags_request_ack, tvb,
+ offset, 1, flags);
+ proto_tree_add_boolean(tree, hf_rx_flags_clientinit, tvb,
+ offset, 1, flags);
+
+ offset += 1;
+ return offset;
+}
+
+static void
+dissect_rx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
+{
+ proto_tree *tree;
+ proto_item *item;
+ int offset = 0;
+ struct rxinfo rxinfo;
+ guint8 type;
+ guint32 seq, callnumber;
+ guint16 serviceid;
+
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "RX");
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ item = proto_tree_add_protocol_format(parent_tree, proto_rx, tvb,
+ offset, 28, "RX Protocol");
+ tree = proto_item_add_subtree(item, ett_rx);
+
+ /* epoch : 4 bytes */
{
- dissect_afs(pd,offset,fd,tree);
+ nstime_t ts;
+ ts.secs = tvb_get_ntohl(tvb, offset);
+ ts.nsecs = 0;
+
+ proto_tree_add_time(tree, hf_rx_epoch, tvb,
+ offset, 4, &ts);
+ offset += 4;
+ }
+
+ /* cid : 4 bytes */
+ proto_tree_add_item(tree, hf_rx_cid, tvb, offset, 4, FALSE);
+ offset += 4;
+
+ /* callnumber : 4 bytes */
+ callnumber = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_uint(tree, hf_rx_callnumber, tvb,
+ offset, 4, callnumber);
+ offset += 4;
+ rxinfo.callnumber = callnumber;
+
+ /* seq : 4 bytes */
+ seq = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_uint(tree, hf_rx_seq, tvb,
+ offset, 4, seq);
+ offset += 4;
+ rxinfo.seq = seq;
+
+ /* serial : 4 bytes */
+ proto_tree_add_item(tree, hf_rx_serial, tvb, offset, 4, FALSE);
+ offset += 4;
+
+ /* type : 1 byte */
+ type = tvb_get_guint8(tvb, offset);
+ proto_tree_add_uint(tree, hf_rx_type, tvb,
+ offset, 1, type);
+ offset += 1;
+ rxinfo.type = type;
+
+ /* flags : 1 byte */
+ offset = dissect_rx_flags(tvb, &rxinfo, tree, offset);
+
+ /* userstatus : 1 byte */
+ proto_tree_add_item(tree, hf_rx_userstatus, tvb, offset, 1, FALSE);
+ offset += 1;
+
+ /* sequrityindex : 1 byte */
+ proto_tree_add_item(tree, hf_rx_securityindex, tvb, offset, 1, FALSE);
+ offset += 1;
+
+ /*
+ * How clever: even though the AFS header files indicate that the
+ * serviceId is first, it's really encoded _after_ the spare field.
+ * I wasted a day figuring that out!
+ */
+
+ /* spare */
+ proto_tree_add_item(tree, hf_rx_spare, tvb, offset, 2, FALSE);
+ offset += 2;
+
+ /* service id : 2 bytes */
+ serviceid = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(tree, hf_rx_serviceid, tvb,
+ offset, 2, serviceid);
+ offset += 2;
+ rxinfo.serviceid = serviceid;
+
+ switch (type) {
+ case RX_PACKET_TYPE_ACK:
+ /*dissect_rx_acks(tvb, pinfo, parent_tree, offset,
+ cant create it in a parallell tree, then ett seasrch
+ wont work */
+ dissect_rx_acks(tvb, pinfo, tree, offset,
+ seq, callnumber);
+ break;
+ case RX_PACKET_TYPE_ACKALL:
+ /* does not contain any payload */
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_add_fstr(pinfo->cinfo, COL_INFO,
+ "ACKALL "
+ "Seq: %lu "
+ "Call: %lu "
+ "Source Port: %s "
+ "Destination Port: %s ",
+ (unsigned long)seq,
+ (unsigned long)callnumber,
+ get_udp_port(pinfo->srcport),
+ get_udp_port(pinfo->destport)
+ );
+ }
+ break;
+ case RX_PACKET_TYPE_CHALLENGE:
+ dissect_rx_challenge(tvb, pinfo, tree, offset, seq, callnumber);
+ break;
+ case RX_PACKET_TYPE_RESPONSE:
+ dissect_rx_response(tvb, pinfo, tree, offset, seq, callnumber);
+ break;
+ case RX_PACKET_TYPE_DATA: {
+ tvbuff_t *next_tvb;
+ pinfo->private_data = &rxinfo;
+ next_tvb = tvb_new_subset(tvb, offset, -1, -1);
+ call_dissector(afs_handle, next_tvb, pinfo, parent_tree);
+ };
+ break;
+ case RX_PACKET_TYPE_ABORT:
+ dissect_rx_abort(tvb, pinfo, tree, offset, seq, callnumber);
+ break;
}
+
}
void
{
static hf_register_info hf[] = {
{ &hf_rx_epoch, {
- "Epoch", "rx.epoch", FT_UINT32, BASE_DEC,
- NULL, 0, "Epoch" }},
+ "Epoch", "rx.epoch", FT_ABSOLUTE_TIME, BASE_DEC,
+ NULL, 0, "Epoch", HFILL }},
+
{ &hf_rx_cid, {
"CID", "rx.cid", FT_UINT32, BASE_DEC,
- NULL, 0, "CID" }},
+ NULL, 0, "CID", HFILL }},
+
{ &hf_rx_callnumber, {
"Call Number", "rx.callnumber", FT_UINT32, BASE_DEC,
- NULL, 0, "Call Number" }},
+ NULL, 0, "Call Number", HFILL }},
+
{ &hf_rx_seq, {
"Sequence Number", "rx.seq", FT_UINT32, BASE_DEC,
- NULL, 0, "Sequence Number" }},
+ NULL, 0, "Sequence Number", HFILL }},
+
{ &hf_rx_serial, {
"Serial", "rx.serial", FT_UINT32, BASE_DEC,
- NULL, 0, "Serial" }},
+ NULL, 0, "Serial", HFILL }},
+
{ &hf_rx_type, {
"Type", "rx.type", FT_UINT8, BASE_DEC,
- VALS(rx_types), 0, "Type" }},
+ VALS(rx_types), 0, "Type", HFILL }},
+
{ &hf_rx_flags, {
"Flags", "rx.flags", FT_UINT8, BASE_HEX,
- NULL, 0, "Flags" }},
+ NULL, 0, "Flags", HFILL }},
+
{ &hf_rx_flags_clientinit, {
- "Client Initiated", "rx.flags.client_init", FT_UINT8, BASE_BIN,
- NULL, RX_CLIENT_INITIATED, "Client Initiated" }},
+ "Client Initiated", "rx.flags.client_init", FT_BOOLEAN, 8,
+ NULL, RX_CLIENT_INITIATED, "Client Initiated", HFILL }},
+
{ &hf_rx_flags_request_ack, {
- "Request Ack", "rx.flags.request_ack", FT_UINT8, BASE_BIN,
- NULL, RX_REQUEST_ACK, "Request Ack" }},
+ "Request Ack", "rx.flags.request_ack", FT_BOOLEAN, 8,
+ NULL, RX_REQUEST_ACK, "Request Ack", HFILL }},
+
{ &hf_rx_flags_last_packet, {
- "Last Packet", "rx.flags.last_packet", FT_UINT8, BASE_BIN,
- NULL, RX_LAST_PACKET, "Last Packet" }},
+ "Last Packet", "rx.flags.last_packet", FT_BOOLEAN, 8,
+ NULL, RX_LAST_PACKET, "Last Packet", HFILL }},
+
{ &hf_rx_flags_more_packets, {
- "More Packets", "rx.flags.more_packets", FT_UINT8, BASE_BIN,
- NULL, RX_MORE_PACKETS, "More Packets" }},
+ "More Packets", "rx.flags.more_packets", FT_BOOLEAN, 8,
+ NULL, RX_MORE_PACKETS, "More Packets", HFILL }},
+
{ &hf_rx_flags_free_packet, {
- "Free Packet", "rx.flags.free_packet", FT_UINT8, BASE_BIN,
- NULL, RX_FREE_PACKET, "Free Packet" }},
+ "Free Packet", "rx.flags.free_packet", FT_BOOLEAN, 8,
+ NULL, RX_FREE_PACKET, "Free Packet", HFILL }},
+
+ /* XXX - what about RX_SLOW_START_OR_JUMBO? */
+
{ &hf_rx_userstatus, {
"User Status", "rx.userstatus", FT_UINT32, BASE_DEC,
- NULL, 0, "User Status" }},
+ NULL, 0, "User Status", HFILL }},
+
{ &hf_rx_securityindex, {
"Security Index", "rx.securityindex", FT_UINT32, BASE_DEC,
- NULL, 0, "Security Index" }},
+ NULL, 0, "Security Index", HFILL }},
+
{ &hf_rx_spare, {
"Spare/Checksum", "rx.spare", FT_UINT16, BASE_DEC,
- NULL, 0, "Spare/Checksum" }},
+ NULL, 0, "Spare/Checksum", HFILL }},
+
{ &hf_rx_serviceid, {
"Service ID", "rx.serviceid", FT_UINT16, BASE_DEC,
- NULL, 0, "Service ID" }},
+ NULL, 0, "Service ID", HFILL }},
+
+ { &hf_rx_bufferspace, {
+ "Bufferspace", "rx.bufferspace", FT_UINT16, BASE_DEC,
+ NULL, 0, "Number Of Packets Available", HFILL }},
+
+ { &hf_rx_maxskew, {
+ "Max Skew", "rx.maxskew", FT_UINT16, BASE_DEC,
+ NULL, 0, "Max Skew", HFILL }},
+
+ { &hf_rx_first_packet, {
+ "First Packet", "rx.first", FT_UINT32, BASE_DEC,
+ NULL, 0, "First Packet", HFILL }},
+
+ { &hf_rx_prev_packet, {
+ "Prev Packet", "rx.prev", FT_UINT32, BASE_DEC,
+ NULL, 0, "Previous Packet", HFILL }},
+
+ { &hf_rx_reason, {
+ "Reason", "rx.reason", FT_UINT8, BASE_DEC,
+ VALS(rx_reason), 0, "Reason For This ACK", HFILL }},
+
+ { &hf_rx_numacks, {
+ "Num ACKs", "rx.num_acks", FT_UINT8, BASE_DEC,
+ NULL, 0, "Number Of ACKs", HFILL }},
+
+ { &hf_rx_ack_type, {
+ "ACK Type", "rx.ack_type", FT_UINT8, BASE_DEC,
+ VALS(rx_ack_type), 0, "Type Of ACKs", HFILL }},
+
+ { &hf_rx_ack, {
+ "ACK Packet", "rx.ack", FT_NONE, BASE_NONE,
+ NULL, 0, "ACK Packet", HFILL }},
+
+ { &hf_rx_challenge, {
+ "CHALLENGE Packet", "rx.challenge", FT_NONE, BASE_NONE,
+ NULL, 0, "CHALLENGE Packet", HFILL }},
+
+ { &hf_rx_version, {
+ "Version", "rx.version", FT_UINT32, BASE_DEC,
+ NULL, 0, "Version Of Challenge/Response", HFILL }},
+
+ { &hf_rx_nonce, {
+ "Nonce", "rx.nonce", FT_UINT32, BASE_HEX,
+ NULL, 0, "Nonce", HFILL }},
+
+ { &hf_rx_inc_nonce, {
+ "Inc Nonce", "rx.inc_nonce", FT_UINT32, BASE_HEX,
+ NULL, 0, "Incremented Nonce", HFILL }},
+
+ { &hf_rx_min_level, {
+ "Min Level", "rx.min_level", FT_UINT32, BASE_DEC,
+ NULL, 0, "Min Level", HFILL }},
+
+ { &hf_rx_level, {
+ "Level", "rx.level", FT_UINT32, BASE_DEC,
+ NULL, 0, "Level", HFILL }},
+
+ { &hf_rx_response, {
+ "RESPONSE Packet", "rx.response", FT_NONE, BASE_NONE,
+ NULL, 0, "RESPONSE Packet", HFILL }},
+
+ { &hf_rx_abort, {
+ "ABORT Packet", "rx.abort", FT_NONE, BASE_NONE,
+ NULL, 0, "ABORT Packet", HFILL }},
+
+ { &hf_rx_encrypted, {
+ "Encrypted", "rx.encrypted", FT_NONE, BASE_NONE,
+ NULL, 0, "Encrypted part of response packet", HFILL }},
+
+ { &hf_rx_kvno, {
+ "kvno", "rx.kvno", FT_UINT32, BASE_DEC,
+ NULL, 0, "kvno", HFILL }},
+
+ { &hf_rx_ticket_len, {
+ "Ticket len", "rx.ticket_len", FT_UINT32, BASE_DEC,
+ NULL, 0, "Ticket Length", HFILL }},
+
+ { &hf_rx_ticket, {
+ "ticket", "rx.ticket", FT_BYTES, BASE_HEX,
+ NULL, 0, "Ticket", HFILL }},
+
+ { &hf_rx_ifmtu, {
+ "Interface MTU", "rx.if_mtu", FT_UINT32, BASE_DEC,
+ NULL, 0, "Interface MTU", HFILL }},
+
+ { &hf_rx_maxmtu, {
+ "Max MTU", "rx.max_mtu", FT_UINT32, BASE_DEC,
+ NULL, 0, "Max MTU", HFILL }},
+
+ { &hf_rx_rwind, {
+ "rwind", "rx.rwind", FT_UINT32, BASE_DEC,
+ NULL, 0, "rwind", HFILL }},
+
+ { &hf_rx_maxpackets, {
+ "Max Packets", "rx.max_packets", FT_UINT32, BASE_DEC,
+ NULL, 0, "Max Packets", HFILL }},
+
+ { &hf_rx_abortcode, {
+ "Abort Code", "rx.abort_code", FT_UINT32, BASE_DEC,
+ NULL, 0, "Abort Code", HFILL }},
+
};
static gint *ett[] = {
&ett_rx,
&ett_rx_flags,
+ &ett_rx_ack,
+ &ett_rx_challenge,
+ &ett_rx_response,
+ &ett_rx_encrypted,
+ &ett_rx_abort
};
proto_rx = proto_register_protocol("RX Protocol", "RX", "rx");
void
proto_reg_handoff_rx(void)
{
+ dissector_handle_t rx_handle;
+
int port;
+ /*
+ * Get handle for the AFS dissector.
+ */
+ afs_handle = find_dissector("afs");
+
/* Ports in the range UDP_PORT_RX_LOW to UDP_PORT_RX_HIGH
are all used for various AFS services. */
+ rx_handle = create_dissector_handle(dissect_rx, proto_rx);
for (port = UDP_PORT_RX_LOW; port <= UDP_PORT_RX_HIGH; port++)
- old_dissector_add("udp.port", port, dissect_rx);
- old_dissector_add("udp.port", UDP_PORT_RX_AFS_BACKUPS, dissect_rx);
+ dissector_add("udp.port", port, rx_handle);
+ dissector_add("udp.port", UDP_PORT_RX_AFS_BACKUPS, rx_handle);
}