/* packet-quake.c
- * Routines for quake packet dissection
+ * Routines for Quake packet dissection
*
* Uwe Girlich <uwe@planetquake.com>
* http://www.idsoftware.com/q1source/q1source.zip
*
- * $Id: packet-quake.c,v 1.1 2000/07/27 10:57:12 girlich Exp $
+ * $Id: packet-quake.c,v 1.30 2003/06/12 08:33:29 guy 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
- *
+ *
* 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.
# include "config.h"
#endif
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#ifdef HAVE_NETINET_IN_H
-# include <netinet/in.h>
-#endif
-
#include <glib.h>
-#include "packet.h"
+#include <epan/packet.h>
+#include <epan/conversation.h>
+#include "prefs.h"
static int proto_quake = -1;
-static int hf_quake_header_flags = -1;
-static int hf_quake_header_length = -1;
-static int hf_quake_header_sequence = -1;
+static int hf_quake_header_flags = -1;
+static int hf_quake_header_length = -1;
+static int hf_quake_header_sequence = -1;
static int hf_quake_control_command = -1;
static int hf_quake_CCREQ_CONNECT_game = -1;
static gint ett_quake = -1;
static gint ett_quake_control = -1;
static gint ett_quake_control_colors = -1;
+static gint ett_quake_flags = -1;
+static dissector_handle_t quake_handle;
+static dissector_handle_t data_handle;
/* I took these names directly out of the Q1 source. */
#define NETFLAG_LENGTH_MASK 0x0000ffff
#define NET_HEADERSIZE 8
#define DEFAULTnet_hostport 26000
+static unsigned int gbl_quakeServerPort=DEFAULTnet_hostport;
#define NETFLAG_LENGTH_MASK 0x0000ffff
#define NETFLAG_DATA 0x00010000
#define NETFLAG_NAK 0x00040000
#define NETFLAG_EOM 0x00080000
#define NETFLAG_UNRELIABLE 0x00100000
-#define NETFLAG_CTL 0x80000000
+#define NETFLAG_CTL 0x80000000
#define CCREQ_CONNECT 0x01
#define CCREQ_SERVER_INFO 0x02
#define CCREQ_PLAYER_INFO 0x03
#define CCREQ_RULE_INFO 0x04
-
+
#define CCREP_ACCEPT 0x81
#define CCREP_REJECT 0x82
#define CCREP_SERVER_INFO 0x83
};
-static gint
-tvb_get_stringz(tvbuff_t *tvb, gint offset, gint maxlength, guint8* buffer)
-{
- int i;
- char* zeropos = NULL;
- gint stringlen = 0;
-
- if (maxlength == 0) {
- buffer[0] = 0;
- return 0;
- }
+static void dissect_quake(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
- tvb_memcpy(tvb, buffer, offset, maxlength);
- for (i=0 ; i<maxlength ; i++) {
- if (buffer[i] == 0) {
- stringlen = i;
- zeropos = buffer+i;
- break;
- }
- }
- if (zeropos == NULL) {
- buffer[maxlength-1] = 0;
- return maxlength-1;
- }
- return stringlen;
-}
static void
dissect_quake_CCREQ_CONNECT
-(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+(tvbuff_t *tvb, proto_tree *tree)
{
- gint maxbufsize;
- char game[QUAKE_MAXSTRING];
- guint8 version;
- gint len;
+ gint offset;
+ proto_item *ti;
- maxbufsize = MIN(sizeof(game), tvb_length(tvb));
- len = tvb_get_stringz(tvb, 0, maxbufsize, game);
- version = tvb_get_guint8(tvb, len + 1);
+ offset = 0;
if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREQ_CONNECT_game,
- tvb, 0, len + 1, game);
- proto_tree_add_uint(tree, hf_quake_CCREQ_CONNECT_version,
- tvb, len + 1, 1, version);
+ ti = proto_tree_add_item(tree, hf_quake_CCREQ_CONNECT_game,
+ tvb, offset, -1, TRUE);
+ offset += proto_item_get_len(ti);
+
+ proto_tree_add_item(tree, hf_quake_CCREQ_CONNECT_version,
+ tvb, offset, 1, TRUE);
}
}
static void
dissect_quake_CCREQ_SERVER_INFO
-(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+(tvbuff_t *tvb, proto_tree *tree)
{
- gint maxbufsize;
- char game[QUAKE_MAXSTRING];
- guint8 version;
- gint len;
+ gint offset;
+ proto_item *ti;
- maxbufsize = MIN(sizeof(game), tvb_length(tvb));
- len = tvb_get_stringz(tvb, 0, maxbufsize, game);
- version = tvb_get_guint8(tvb, len + 1);
+ offset = 0;
if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREQ_SERVER_INFO_game,
- tvb, 0, len + 1, game);
- proto_tree_add_uint(tree, hf_quake_CCREQ_SERVER_INFO_version,
- tvb, len + 1, 1, version);
+ ti = proto_tree_add_item(tree, hf_quake_CCREQ_SERVER_INFO_game,
+ tvb, offset, -1, TRUE);
+ offset += proto_item_get_len(ti);
+ proto_tree_add_item(tree, hf_quake_CCREQ_SERVER_INFO_version,
+ tvb, offset, 1, TRUE);
}
}
static void
dissect_quake_CCREQ_PLAYER_INFO
-(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+(tvbuff_t *tvb, proto_tree *tree)
{
- guint8 player;
-
- player = tvb_get_guint8(tvb, 0);
if (tree) {
- proto_tree_add_uint(tree, hf_quake_CCREQ_PLAYER_INFO_player,
- tvb, 0, 1, player);
+ proto_tree_add_item(tree, hf_quake_CCREQ_PLAYER_INFO_player,
+ tvb, 0, 1, TRUE);
}
}
static void
dissect_quake_CCREQ_RULE_INFO
-(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+(tvbuff_t *tvb, proto_tree *tree)
{
- char rule[QUAKE_MAXSTRING];
- gint maxbufsize;
- gint len;
-
- maxbufsize = MIN(sizeof(rule), tvb_length(tvb));
- len = tvb_get_stringz(tvb, 0, maxbufsize, rule);
if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREQ_RULE_INFO_lastrule,
- tvb, 0, len + 1, rule);
+ proto_tree_add_item(tree, hf_quake_CCREQ_RULE_INFO_lastrule,
+ tvb, 0, -1, TRUE);
}
}
(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
guint32 port;
+ conversation_t *c;
port = tvb_get_letohl(tvb, 0);
+ c = conversation_new( &pinfo->src, &pinfo->dst, PT_UDP, port,
+ pinfo->destport, 0);
+ if (c) {
+ conversation_set_dissector(c, quake_handle);
+ }
if (tree) {
proto_tree_add_uint(tree, hf_quake_CCREP_ACCEPT_port,
tvb, 0, 4, port);
static void
dissect_quake_CCREP_REJECT
-(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+(tvbuff_t *tvb, proto_tree *tree)
{
- gint maxbufsize;
- char reason[QUAKE_MAXSTRING];
- gint len;
-
- maxbufsize = MIN(sizeof(reason), tvb_length(tvb));
- len = tvb_get_stringz(tvb, 0, maxbufsize, reason);
-
if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREP_REJECT_reason,
- tvb, 0, len + 1, reason);
+ proto_tree_add_item(tree, hf_quake_CCREP_REJECT_reason,
+ tvb, 0, -1, TRUE);
}
}
static void
dissect_quake_CCREP_SERVER_INFO
-(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+(tvbuff_t *tvb, proto_tree *tree)
{
gint offset;
- gint len;
- gint maxbufsize;
- char address[QUAKE_MAXSTRING];
- char server[QUAKE_MAXSTRING];
- char map[QUAKE_MAXSTRING];
-
- guint8 num_player;
- guint8 max_player;
- guint8 version;
+ proto_item *ti;
offset = 0;
- maxbufsize = MIN(sizeof(address), tvb_length_remaining(tvb, offset));
- len = tvb_get_stringz(tvb, offset, maxbufsize, address);
if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREP_SERVER_INFO_address,
- tvb, offset, len + 1, address);
- }
- offset += len + 1;
-
- maxbufsize = MIN(sizeof(server), tvb_length_remaining(tvb, offset));
- len = tvb_get_stringz(tvb, offset, maxbufsize, server);
- if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREP_SERVER_INFO_server,
- tvb, offset, len + 1, server);
- }
- offset += len + 1;
-
- maxbufsize = MIN(sizeof(map), tvb_length_remaining(tvb, offset));
- len = tvb_get_stringz(tvb, offset, maxbufsize, map);
- if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREP_SERVER_INFO_map,
- tvb, offset, len + 1, map);
- }
- offset += len + 1;
-
- num_player = tvb_get_guint8(tvb, offset + 0);
- max_player = tvb_get_guint8(tvb, offset + 1);
- version = tvb_get_guint8(tvb, offset + 2);
-
- if (tree) {
- proto_tree_add_uint(tree, hf_quake_CCREP_SERVER_INFO_num_player,
- tvb, offset + 0, 1, num_player);
- proto_tree_add_uint(tree, hf_quake_CCREP_SERVER_INFO_max_player,
- tvb, offset + 1, 1, max_player);
- proto_tree_add_uint(tree, hf_quake_CCREQ_SERVER_INFO_version,
- tvb, offset + 2, 1, version);
+ ti = proto_tree_add_item(tree,
+ hf_quake_CCREP_SERVER_INFO_address, tvb, offset, -1,
+ TRUE);
+ offset += proto_item_get_len(ti);
+
+ ti = proto_tree_add_item(tree,
+ hf_quake_CCREP_SERVER_INFO_server, tvb, offset, -1,
+ TRUE);
+ offset += proto_item_get_len(ti);
+
+ ti = proto_tree_add_item(tree, hf_quake_CCREP_SERVER_INFO_map,
+ tvb, offset, -1, TRUE);
+ offset += proto_item_get_len(ti);
+
+ proto_tree_add_item(tree, hf_quake_CCREP_SERVER_INFO_num_player,
+ tvb, offset, 1, TRUE);
+ offset += 1;
+ proto_tree_add_item(tree, hf_quake_CCREP_SERVER_INFO_max_player,
+ tvb, offset, 1, TRUE);
+ offset += 1;
+ proto_tree_add_item(tree, hf_quake_CCREQ_SERVER_INFO_version,
+ tvb, offset, 1, TRUE);
}
}
static void
dissect_quake_CCREP_PLAYER_INFO
-(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+(tvbuff_t *tvb, proto_tree *tree)
{
gint offset;
- guint8 player;
- gint len;
- gint maxbufsize;
- char name[QUAKE_MAXSTRING];
+ proto_item *ti;
guint32 colors;
guint32 color_shirt;
guint32 color_pants;
- guint32 frags;
- guint32 connect_time;
- char address[QUAKE_MAXSTRING];
+ proto_item *colors_item;
+ proto_tree *colors_tree;
offset = 0;
- player = tvb_get_guint8(tvb, offset);
if (tree) {
- proto_tree_add_uint(tree, hf_quake_CCREQ_PLAYER_INFO_player,
- tvb, offset, 1, player);
- }
- offset += 1;
-
- maxbufsize = MIN(sizeof(name), tvb_length_remaining(tvb, offset));
- len = tvb_get_stringz(tvb, offset, maxbufsize, name);
- if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREP_PLAYER_INFO_name,
- tvb, offset, len + 1, name);
- }
- offset += len + 1;
+ proto_tree_add_item(tree, hf_quake_CCREQ_PLAYER_INFO_player,
+ tvb, offset, 1, TRUE);
+ offset += 1;
- colors = tvb_get_letohl(tvb, offset + 0);
- color_shirt = (colors >> 4) & 0x0f;
- color_pants = (colors ) & 0x0f;
- frags = tvb_get_letohl(tvb, offset + 4);
- connect_time = tvb_get_letohl(tvb, offset + 8);
- if (tree) {
- proto_item *colors_item;
- proto_tree *colors_tree;
+ ti = proto_tree_add_item(tree, hf_quake_CCREP_PLAYER_INFO_name,
+ tvb, offset, -1, TRUE);
+ offset += proto_item_get_len(ti);
+
+ colors = tvb_get_letohl(tvb, offset + 0);
+ color_shirt = (colors >> 4) & 0x0f;
+ color_pants = (colors ) & 0x0f;
colors_item = proto_tree_add_uint(tree,
hf_quake_CCREP_PLAYER_INFO_colors,
- tvb, offset + 0, 4, colors);
- if (colors_item) {
- colors_tree = proto_item_add_subtree(colors_item,
- ett_quake_control_colors);
- proto_tree_add_uint(colors_tree,
- hf_quake_CCREP_PLAYER_INFO_colors_shirt,
- tvb, offset + 0, 1, color_shirt);
- proto_tree_add_uint(colors_tree,
- hf_quake_CCREP_PLAYER_INFO_colors_pants,
- tvb, offset + 0, 1, color_pants);
- }
- proto_tree_add_uint(tree, hf_quake_CCREP_PLAYER_INFO_frags,
- tvb, offset + 4, 4, frags);
- proto_tree_add_uint(tree, hf_quake_CCREP_PLAYER_INFO_connect_time,
- tvb, offset + 8, 4, connect_time);
+ tvb, offset, 4, colors);
+ colors_tree = proto_item_add_subtree(colors_item,
+ ett_quake_control_colors);
+ proto_tree_add_uint(colors_tree,
+ hf_quake_CCREP_PLAYER_INFO_colors_shirt,
+ tvb, offset, 1, color_shirt);
+ proto_tree_add_uint(colors_tree,
+ hf_quake_CCREP_PLAYER_INFO_colors_pants,
+ tvb, offset, 1, color_pants);
+ offset += 4;
+ proto_tree_add_item(tree, hf_quake_CCREP_PLAYER_INFO_frags,
+ tvb, offset, 4, TRUE);
+ offset += 4;
+ proto_tree_add_item(tree, hf_quake_CCREP_PLAYER_INFO_connect_time,
+ tvb, offset, 4, TRUE);
+ offset += 4;
+
+ proto_tree_add_item(tree, hf_quake_CCREP_PLAYER_INFO_address,
+ tvb, offset, -1, TRUE);
}
- offset += 3*4;
-
- maxbufsize = MIN(sizeof(address), tvb_length_remaining(tvb, offset));
- len = tvb_get_stringz(tvb, offset, maxbufsize, address);
- if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREP_PLAYER_INFO_address,
- tvb, offset, len + 1, address);
- }
- offset += len + 1;
}
static void
dissect_quake_CCREP_RULE_INFO
-(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+(tvbuff_t *tvb, proto_tree *tree)
{
- char rule[QUAKE_MAXSTRING];
- char value[QUAKE_MAXSTRING];
- gint maxbufsize;
- gint len;
gint offset;
+ proto_item *ti;
- if (tvb_length(tvb) == 0) return;
+ if (tvb_reported_length(tvb) == 0) return;
offset = 0;
- maxbufsize = MIN(sizeof(rule), tvb_length_remaining(tvb, offset));
- len = tvb_get_stringz(tvb, offset, maxbufsize, rule);
if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREP_RULE_INFO_rule,
- tvb, offset, len + 1, rule);
- }
- offset += len + 1;
+ ti = proto_tree_add_item(tree, hf_quake_CCREP_RULE_INFO_rule,
+ tvb, offset, -1, TRUE);
+ offset += proto_item_get_len(ti);
- maxbufsize = MIN(sizeof(value), tvb_length_remaining(tvb, offset));
- len = tvb_get_stringz(tvb, offset, maxbufsize, value);
- if (tree) {
- proto_tree_add_string(tree, hf_quake_CCREP_RULE_INFO_value,
- tvb, offset, len + 1, value);
+ proto_tree_add_item(tree, hf_quake_CCREP_RULE_INFO_value,
+ tvb, offset, -1, TRUE);
}
- offset += len + 1;
}
proto_tree *control_tree = NULL;
guint rest_length;
tvbuff_t *next_tvb;
-
+
command = tvb_get_guint8(tvb, 0);
direction = (command & 0x80) ? CCREP : CCREQ;
- if (check_col(pinfo->fd, COL_INFO)) {
- col_add_fstr(pinfo->fd, COL_INFO, "%s %s",
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_add_fstr(pinfo->cinfo, COL_INFO, "%s %s",
val_to_str(command,names_control_command, "%u"),
val_to_str(direction,names_control_direction,"%u"));
}
if (tree) {
control_item = proto_tree_add_text(tree, tvb,
- 0, tvb_length(tvb), "Control %s: %s",
+ 0, -1, "Control %s: %s",
val_to_str(direction, names_control_direction, "%u"),
val_to_str(command, names_control_command, "%u"));
if (control_item)
ett_quake_control);
proto_tree_add_uint(control_tree, hf_quake_control_command,
tvb, 0, 1, command);
+ }
- rest_length = tvb_reported_length(tvb) - 1;
- next_tvb = tvb_new_subset(tvb, 1, rest_length , rest_length);
- switch (command) {
- case CCREQ_CONNECT:
- dissect_quake_CCREQ_CONNECT
- (next_tvb, pinfo, control_tree);
- break;
- case CCREQ_SERVER_INFO:
- dissect_quake_CCREQ_SERVER_INFO
- (next_tvb, pinfo, control_tree);
- break;
- case CCREQ_PLAYER_INFO:
- dissect_quake_CCREQ_PLAYER_INFO
- (next_tvb, pinfo, control_tree);
- break;
- case CCREQ_RULE_INFO:
- dissect_quake_CCREQ_RULE_INFO
- (next_tvb, pinfo, control_tree);
- break;
- case CCREP_ACCEPT:
- dissect_quake_CCREP_ACCEPT
- (next_tvb, pinfo, control_tree);
- break;
- case CCREP_REJECT:
- dissect_quake_CCREP_REJECT
- (next_tvb, pinfo, control_tree);
- break;
- case CCREP_SERVER_INFO:
- dissect_quake_CCREP_SERVER_INFO
- (next_tvb, pinfo, control_tree);
- break;
- case CCREP_PLAYER_INFO:
- dissect_quake_CCREP_PLAYER_INFO
- (next_tvb, pinfo, control_tree);
- break;
- case CCREP_RULE_INFO:
- dissect_quake_CCREP_RULE_INFO
- (next_tvb, pinfo, control_tree);
- break;
- default:
- dissect_data_tvb(next_tvb, pinfo, control_tree);
- break;
- }
+ rest_length = tvb_reported_length(tvb) - 1;
+ next_tvb = tvb_new_subset(tvb, 1, rest_length , rest_length);
+ switch (command) {
+ case CCREQ_CONNECT:
+ dissect_quake_CCREQ_CONNECT
+ (next_tvb, control_tree);
+ break;
+ case CCREQ_SERVER_INFO:
+ dissect_quake_CCREQ_SERVER_INFO
+ (next_tvb, control_tree);
+ break;
+ case CCREQ_PLAYER_INFO:
+ dissect_quake_CCREQ_PLAYER_INFO
+ (next_tvb, control_tree);
+ break;
+ case CCREQ_RULE_INFO:
+ dissect_quake_CCREQ_RULE_INFO
+ (next_tvb, control_tree);
+ break;
+ case CCREP_ACCEPT:
+ dissect_quake_CCREP_ACCEPT
+ (next_tvb, pinfo, control_tree);
+ break;
+ case CCREP_REJECT:
+ dissect_quake_CCREP_REJECT
+ (next_tvb, control_tree);
+ break;
+ case CCREP_SERVER_INFO:
+ dissect_quake_CCREP_SERVER_INFO
+ (next_tvb, control_tree);
+ break;
+ case CCREP_PLAYER_INFO:
+ dissect_quake_CCREP_PLAYER_INFO
+ (next_tvb, control_tree);
+ break;
+ case CCREP_RULE_INFO:
+ dissect_quake_CCREP_RULE_INFO
+ (next_tvb, control_tree);
+ break;
+ default:
+ call_dissector(data_handle,next_tvb, pinfo, control_tree);
+ break;
}
}
-#if 0
static void
dissect_quake(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
-#else
-static void
-dissect_quake(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
-{
- tvbuff_t *tvb = tvb_create_from_top(offset);
- packet_info *pinfo = π
-#endif
proto_tree *quake_tree = NULL;
proto_item *quake_item = NULL;
guint32 length;
guint rest_length;
tvbuff_t *next_tvb;
- if (!tvb_bytes_exist(tvb, 0, 4)) return;
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "QUAKE");
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_clear(pinfo->cinfo, COL_INFO);
length = tvb_get_ntohl(tvb, 0);
flags = length & (~NETFLAG_LENGTH_MASK);
length &= NETFLAG_LENGTH_MASK;
- if (check_col(pinfo->fd, COL_PROTOCOL))
- col_add_str(pinfo->fd, COL_PROTOCOL, "QUAKE");
-
if (tree) {
quake_item = proto_tree_add_item(tree, proto_quake,
- tvb, 0, tvb_length(tvb), FALSE);
+ tvb, 0, -1, FALSE);
if (quake_item)
quake_tree = proto_item_add_subtree(quake_item, ett_quake);
}
if (quake_tree) {
- proto_tree_add_uint(quake_tree, hf_quake_header_flags,
+ proto_item* flags_item = NULL;
+ proto_tree* flags_tree = NULL;
+
+ flags_item = proto_tree_add_uint(quake_tree, hf_quake_header_flags,
tvb, 0, 2, flags);
+ if (flags_item) {
+ flags_tree = proto_item_add_subtree(flags_item, ett_quake_flags);
+ }
+
+ if (flags_tree) {
+ proto_tree_add_text(flags_tree, tvb, 0, 2,
+ decode_boolean_bitfield(flags, NETFLAG_DATA, 32,
+ "Data","-"));
+ proto_tree_add_text(flags_tree, tvb, 0, 2,
+ decode_boolean_bitfield(flags, NETFLAG_ACK, 32,
+ "Acknowledgment","-"));
+ proto_tree_add_text(flags_tree, tvb, 0, 2,
+ decode_boolean_bitfield(flags, NETFLAG_NAK, 32,
+ "No Acknowledgment","-"));
+ proto_tree_add_text(flags_tree, tvb, 0, 2,
+ decode_boolean_bitfield(flags, NETFLAG_EOM, 32,
+ "End Of Message","-"));
+ proto_tree_add_text(flags_tree, tvb, 0, 2,
+ decode_boolean_bitfield(flags, NETFLAG_UNRELIABLE, 32,
+ "Unreliable","-"));
+ proto_tree_add_text(flags_tree, tvb, 0, 2,
+ decode_boolean_bitfield(flags, NETFLAG_CTL, 32,
+ "Control","-"));
+ }
proto_tree_add_uint(quake_tree, hf_quake_header_length,
tvb, 2, 2, length);
}
}
sequence = tvb_get_ntohl(tvb, 4);
- if (check_col(pinfo->fd, COL_INFO)) {
- col_add_fstr(pinfo->fd, COL_INFO, "seq 0x%x", sequence);
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_add_fstr(pinfo->cinfo, COL_INFO, "seq 0x%x", sequence);
}
if (quake_tree) {
proto_tree_add_uint(quake_tree, hf_quake_header_sequence,
rest_length = tvb_reported_length(tvb) - 8;
next_tvb = tvb_new_subset(tvb, 8, rest_length , rest_length);
- dissect_data_tvb(next_tvb, pinfo, tree);
+ call_dissector(data_handle,next_tvb, pinfo, quake_tree);
}
+
void
-proto_register_quake(void)
+proto_reg_handoff_quake(void)
{
+ static int Initialized=FALSE;
+ static int ServerPort=0;
+
+ if (Initialized) {
+ dissector_delete("udp.port", ServerPort, quake_handle);
+ } else {
+ Initialized=TRUE;
+ }
+
+ /* set port for future deletes */
+ ServerPort=gbl_quakeServerPort;
+ dissector_add("udp.port", gbl_quakeServerPort, quake_handle);
+ data_handle = find_dissector("data");
+}
+
+
+void
+proto_register_quake(void)
+{
static hf_register_info hf[] = {
{ &hf_quake_header_flags,
{ "Flags", "quake.header.flags",
FT_UINT16, BASE_HEX, NULL, 0x0,
- "Flags" }},
+ "Flags", HFILL }},
{ &hf_quake_header_length,
{ "Length", "quake.header.length",
FT_UINT16, BASE_DEC, NULL, 0x0,
- "full data length" }},
+ "full data length", HFILL }},
{ &hf_quake_header_sequence,
{ "Sequence", "quake.header.sequence",
FT_UINT32, BASE_HEX, NULL, 0x0,
- "Sequence Number" }},
+ "Sequence Number", HFILL }},
{ &hf_quake_control_command,
{ "Command", "quake.control.command",
FT_UINT8, BASE_HEX, VALS(names_control_command), 0x0,
- "Control Command" }},
+ "Control Command", HFILL }},
{ &hf_quake_CCREQ_CONNECT_game,
{ "Game", "quake.control.connect.game",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Game Name" }},
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Game Name", HFILL }},
{ &hf_quake_CCREQ_CONNECT_version,
{ "Version", "quake.control.connect.version",
FT_UINT8, BASE_DEC, NULL, 0x0,
- "Game Protocol Version Number" }},
+ "Game Protocol Version Number", HFILL }},
{ &hf_quake_CCREQ_SERVER_INFO_game,
{ "Game", "quake.control.server_info.game",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Game Name" }},
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Game Name", HFILL }},
{ &hf_quake_CCREQ_SERVER_INFO_version,
{ "Version", "quake.control.server_info.version",
FT_UINT8, BASE_DEC, NULL, 0x0,
- "Game Protocol Version Number" }},
+ "Game Protocol Version Number", HFILL }},
{ &hf_quake_CCREQ_PLAYER_INFO_player,
{ "Player", "quake.control.player_info.player",
FT_UINT8, BASE_DEC, NULL, 0x0,
- "Player" }},
+ "Player", HFILL }},
{ &hf_quake_CCREQ_RULE_INFO_lastrule,
{ "Last Rule", "quake.control.rule_info.lastrule",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Last Rule Name" }},
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Last Rule Name", HFILL }},
{ &hf_quake_CCREP_ACCEPT_port,
{ "Port", "quake.control.accept.port",
FT_UINT32, BASE_DEC, NULL, 0x0,
- "Game Data Port" }},
+ "Game Data Port", HFILL }},
{ &hf_quake_CCREP_REJECT_reason,
{ "Reason", "quake.control.reject.reason",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Reject Reason" }},
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Reject Reason", HFILL }},
{ &hf_quake_CCREP_SERVER_INFO_address,
{ "Address", "quake.control.server_info.address",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Server Address" }},
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Server Address", HFILL }},
{ &hf_quake_CCREP_SERVER_INFO_server,
{ "Server", "quake.control.server_info.server",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Server Name" }},
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Server Name", HFILL }},
{ &hf_quake_CCREP_SERVER_INFO_map,
{ "Map", "quake.control.server_info.map",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Map Name" }},
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Map Name", HFILL }},
{ &hf_quake_CCREP_SERVER_INFO_num_player,
{ "Number of Players", "quake.control.server_info.num_player",
FT_UINT8, BASE_DEC, NULL, 0x0,
- "Current Number of Players" }},
+ "Current Number of Players", HFILL }},
{ &hf_quake_CCREP_SERVER_INFO_max_player,
{ "Maximal Number of Players", "quake.control.server_info.max_player",
FT_UINT8, BASE_DEC, NULL, 0x0,
- "Maximal Number of Players" }},
+ "Maximal Number of Players", HFILL }},
{ &hf_quake_CCREP_PLAYER_INFO_name,
{ "Name", "quake.control.player_info.name",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Player Name" }},
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Player Name", HFILL }},
{ &hf_quake_CCREP_PLAYER_INFO_colors,
{ "Colors", "quake.control.player_info.colors",
FT_UINT32, BASE_HEX, NULL, 0x0,
- "Player Colors" }},
+ "Player Colors", HFILL }},
{ &hf_quake_CCREP_PLAYER_INFO_colors_shirt,
{ "Shirt", "quake.control.player_info.colors.shirt",
FT_UINT8, BASE_DEC, VALS(names_colors), 0x0,
- "Shirt Color" }},
+ "Shirt Color", HFILL }},
{ &hf_quake_CCREP_PLAYER_INFO_colors_pants,
{ "Pants", "quake.control.player_info.colors.pants",
FT_UINT8, BASE_DEC, VALS(names_colors), 0x0,
- "Pants Color" }},
+ "Pants Color", HFILL }},
{ &hf_quake_CCREP_PLAYER_INFO_frags,
{ "Frags", "quake.control.player_info.frags",
FT_UINT32, BASE_DEC, NULL, 0x0,
- "Player Frags" }},
+ "Player Frags", HFILL }},
{ &hf_quake_CCREP_PLAYER_INFO_connect_time,
{ "Connect Time", "quake.control.player_info.connect_time",
FT_UINT32, BASE_DEC, NULL, 0x0,
- "Player Connect Time" }},
+ "Player Connect Time", HFILL }},
{ &hf_quake_CCREP_PLAYER_INFO_address,
{ "Address", "quake.control.player_info.address",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Player Address" }},
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Player Address", HFILL }},
{ &hf_quake_CCREP_RULE_INFO_rule,
{ "Rule", "quake.control.rule_info.rule",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Rule Name" }},
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Rule Name", HFILL }},
{ &hf_quake_CCREP_RULE_INFO_value,
{ "Value", "quake.control.rule_info.value",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Rule Value" }},
- };
- static gint *ett[] = {
- &ett_quake,
- &ett_quake_control,
- &ett_quake_control_colors,
+ FT_STRINGZ, BASE_NONE, NULL, 0x0,
+ "Rule Value", HFILL }},
};
-
- proto_quake = proto_register_protocol("Quake Network Protocol", "quake");
- proto_register_field_array(proto_quake, hf, array_length(hf));
- proto_register_subtree_array(ett, array_length(ett));
-}
-
-
-void
-proto_reg_handoff_quake(void)
-{
- dissector_add("udp.port", DEFAULTnet_hostport, dissect_quake);
+ static gint *ett[] = {
+ &ett_quake,
+ &ett_quake_control,
+ &ett_quake_control_colors,
+ &ett_quake_flags,
+ };
+ module_t *quake_module;
+
+ proto_quake = proto_register_protocol("Quake Network Protocol",
+ "QUAKE", "quake");
+ proto_register_field_array(proto_quake, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ quake_handle = create_dissector_handle(dissect_quake, proto_quake);
+
+ /* Register a configuration option for port */
+ quake_module = prefs_register_protocol(proto_quake,
+ proto_reg_handoff_quake);
+ prefs_register_uint_preference(quake_module, "udp.port",
+ "Quake Server UDP Port",
+ "Set the UDP port for the Quake Server",
+ 10, &gbl_quakeServerPort);
}
-