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authorGilbert Ramirez <gram@alumni.rice.edu>2004-07-18 18:06:47 +0000
committerGilbert Ramirez <gram@alumni.rice.edu>2004-07-18 18:06:47 +0000
commit669db206cb1f270046ad400fff7655e20c63e723 (patch)
tree4eff24a2e16c8963e497e1fc575f35e6af59bd26 /packet-quake3.c
parentae46c27a38700af669ef907491081f09df6f6b2c (diff)
Move dissectors to epan/dissectors directory.
Also move ncp222.py, x11-fields, process-x11-fields.pl, make-reg-dotc, and make-reg-dotc.py. Adjust #include lines in files that include packet-*.h files. svn path=/trunk/; revision=11410
Diffstat (limited to 'packet-quake3.c')
-rw-r--r--packet-quake3.c665
1 files changed, 0 insertions, 665 deletions
diff --git a/packet-quake3.c b/packet-quake3.c
deleted file mode 100644
index bb8fbb3403..0000000000
--- a/packet-quake3.c
+++ /dev/null
@@ -1,665 +0,0 @@
-/* packet-quake3.c
- * Routines for Quake III Arena packet dissection
- *
- * Uwe Girlich <uwe@planetquake.com>
- *
- * $Id$
- *
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
- * Copyright 1998 Gerald Combs
- *
- * Copied from packet-quake2.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.
- */
-
-
-/*
- All informations used in this decoding were gathered from
- * some own captures of a private server,
- * the "Server commands howto" document written by id Software
- (http://www.quake3arena.com/tech/ServerCommandsHowto.html)
- * source code of the game server browser tool qstat
- (http://www.qstat.org).
-*/
-
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <string.h>
-#include <glib.h>
-#include <epan/packet.h>
-#include "prefs.h"
-#include <epan/resolv.h>
-
-static int proto_quake3 = -1;
-
-static int hf_quake3_direction = -1;
-static int hf_quake3_connectionless = -1;
-static int hf_quake3_game = -1;
-static int hf_quake3_connectionless_marker = -1;
-static int hf_quake3_connectionless_text = -1;
-static int hf_quake3_connectionless_command = -1;
-static int hf_quake3_server_addr = -1;
-static int hf_quake3_server_port = -1;
-static int hf_quake3_game_seq1 = -1;
-static int hf_quake3_game_rel1 = -1;
-static int hf_quake3_game_seq2 = -1;
-static int hf_quake3_game_rel2 = -1;
-static int hf_quake3_game_qport = -1;
-
-static gint ett_quake3 = -1;
-static gint ett_quake3_connectionless = -1;
-static gint ett_quake3_connectionless_text = -1;
-static gint ett_quake3_server = -1;
-static gint ett_quake3_game = -1;
-static gint ett_quake3_game_seq1 = -1;
-static gint ett_quake3_game_seq2 = -1;
-static gint ett_quake3_game_clc = -1;
-static gint ett_quake3_game_svc = -1;
-
-static dissector_handle_t data_handle;
-
-#define QUAKE3_SERVER_PORT 27960
-#define QUAKE3_MASTER_PORT 27950
-static unsigned int gbl_quake3_server_port=QUAKE3_SERVER_PORT;
-static unsigned int gbl_quake3_master_port=QUAKE3_MASTER_PORT;
-
-
-static const value_string names_direction[] = {
-#define DIR_UNKNOWN 0
- { DIR_UNKNOWN, "Unknown" },
-#define DIR_C2S 1
- { DIR_C2S, "Client to Server" },
-#define DIR_S2C 2
- { DIR_S2C, "Server to Client" },
-#define DIR_C2M 3
- { DIR_C2M, "Client to Master" },
-#define DIR_M2C 4
- { DIR_M2C, "Master to Client" },
- { 0, NULL }
-};
-
-
-#define string_starts_with(s1, s2) (strncmp((s1), (s2), strlen(s2)) == 0)
-
-
-static const value_string names_command[] = {
-#define COMMAND_UNKNOWN 0
- { COMMAND_UNKNOWN, "Unknown" },
-#define COMMAND_statusResponse 1
- { COMMAND_statusResponse, "Reply Status" },
-#define COMMAND_getstatus 2
- { COMMAND_getstatus, "Request Status" },
-#define COMMAND_infoResponse 3
- { COMMAND_infoResponse, "Reply Info" },
-#define COMMAND_getinfo 4
- { COMMAND_getinfo, "Request Info" },
-#define COMMAND_challengeResponse 5
- { COMMAND_challengeResponse, "Reply Challenge" },
-#define COMMAND_getchallenge 6
- { COMMAND_getchallenge, "Request Challenge" },
-#define COMMAND_connectResponse 7
- { COMMAND_connectResponse, "Reply Connect" },
-#define COMMAND_connect 8
- { COMMAND_connect, "Request Connect" },
-#define COMMAND_rconResponse 9
- { COMMAND_rconResponse, "Reply Remote Command" },
-#define COMMAND_rcon 10
- { COMMAND_rcon, "Request Remote Command" },
-#define COMMAND_getmotdResponse 11
- { COMMAND_getmotdResponse, "Reply Motto of the Day" },
-#define COMMAND_getmotd 12
- { COMMAND_getmotd, "Request Motto of the Day" },
-#define COMMAND_getserversResponse 13
- { COMMAND_getserversResponse, "Reply Servers" },
-#define COMMAND_getservers 14
- { COMMAND_getservers, "Request Servers" },
-#define COMMAND_getKeyAuthorize 15
- { COMMAND_getKeyAuthorize, "Request Key Authorization" },
-#define COMMAND_getIpAuthorize 16
- { COMMAND_getIpAuthorize, "Request IP Authorization" },
-#define COMMAND_ipAuthorize 17
- { COMMAND_ipAuthorize, "Reply IP Authorization" },
- { 0, NULL }
-};
-
-
-static void
-dissect_quake3_ConnectionlessPacket(tvbuff_t *tvb, packet_info *pinfo _U_,
- proto_tree *tree, int* direction)
-{
- proto_tree *cl_tree = NULL;
- proto_item *cl_item = NULL;
- proto_item *text_item = NULL;
- proto_tree *text_tree = NULL;
- guint8 text[2048];
- int len;
- int offset;
- guint32 marker;
- int command;
- int command_len;
- int command_finished = FALSE;
-
- marker = tvb_get_ntohl(tvb, 0);
- if (tree) {
- cl_item = proto_tree_add_text(tree, tvb,
- 0, -1, "Connectionless");
- if (cl_item)
- cl_tree = proto_item_add_subtree(
- cl_item, ett_quake3_connectionless);
- }
-
- if (cl_tree) {
- proto_tree_add_uint(cl_tree, hf_quake3_connectionless_marker,
- tvb, 0, 4, marker);
- }
-
- /* all the rest of the packet is just text */
- offset = 4;
-
- len = tvb_get_nstringz0(tvb, offset, sizeof(text), text);
- if (cl_tree) {
- text_item = proto_tree_add_string(cl_tree,
- hf_quake3_connectionless_text,
- tvb, offset, len + 1, text);
- if (text_item) {
- text_tree = proto_item_add_subtree(
- text_item,
- ett_quake3_connectionless_text);
- }
- }
-
- command = COMMAND_UNKNOWN;
- command_len = 0;
-
- if (strncmp(text, "statusResponse", 14) == 0) {
- command = COMMAND_statusResponse;
- *direction = DIR_S2C;
- command_len = 14;
- }
- else if (strncmp(text, "getstatus", 9) == 0) {
- command = COMMAND_getstatus;
- *direction = DIR_C2S;
- command_len = 9;
- }
- else if (strncmp(text, "infoResponse", 12) == 0) {
- command = COMMAND_infoResponse;
- *direction = DIR_S2C;
- command_len = 12;
- }
- else if (strncmp(text, "getinfo", 7) == 0) {
- command = COMMAND_getinfo;
- *direction = DIR_C2S;
- command_len = 7;
- }
- else if (strncmp(text, "challengeResponse", 17) == 0) {
- command = COMMAND_challengeResponse;
- *direction = DIR_S2C;
- command_len = 17;
- }
- else if (strncmp(text, "getchallenge", 12) == 0) {
- command = COMMAND_getchallenge;
- *direction = DIR_C2S;
- command_len = 12;
- }
- else if (strncmp(text, "connectResponse", 15) == 0) {
- command = COMMAND_connectResponse;
- *direction = DIR_S2C;
- command_len = 15;
- }
- else if (strncmp(text, "connect", 7) == 0) {
- command = COMMAND_connect;
- *direction = DIR_C2S;
- command_len = 7;
- }
- else if (strncmp(text, "rconResponse", 12) == 0) {
- command = COMMAND_rconResponse;
- *direction = DIR_S2C;
- command_len = 12;
- }
- else if (strncmp(text, "rcon", 4) == 0) {
- command = COMMAND_rcon;
- *direction = DIR_C2S;
- command_len = 4;
- }
- else if (strncmp(text, "getmotdResponse", 15) == 0) {
- command = COMMAND_getmotdResponse;
- *direction = DIR_M2C;
- command_len = 15;
- }
- else if (strncmp(text, "getmotd", 7) == 0) {
- command = COMMAND_getmotd;
- *direction = DIR_C2M;
- command_len = 7;
- }
- else if (strncmp(text, "getserversResponse", 18) == 0) {
- int base;
- command = COMMAND_getserversResponse;
- *direction = DIR_M2C;
- command_len = 18;
- /* The data can contain 0's, and the text string is binary
- anyway, so better replace the text string after the first
- \ with "<DATA>". */
- if (text_item) {
- /* first correct the length until the end of the packet */
- proto_item_set_len(text_item, tvb_length_remaining(tvb, offset));
- /* then replace the text */
- proto_item_set_text(text_item, "Text: getserversResponse<DATA>");
- }
- if (text_tree)
- proto_tree_add_string(text_tree, hf_quake3_connectionless_command,
- tvb, offset, command_len,
- val_to_str(command, names_command, "Unknown"));
- command_finished = TRUE;
-
- /* now we decode all the rest */
- base = offset + 18;
- /* '/', ip-address in network order, port in network order */
- while (tvb_reported_length_remaining(tvb, base) >= 7) {
- guint32 ip_addr;
- guint16 udp_port;
- proto_item *server_item = NULL;
- proto_tree *server_tree = NULL;
-
- tvb_memcpy(tvb, (guint8 *)&ip_addr, base + 1, 4);
- udp_port = tvb_get_ntohs(tvb, base + 5);
-
- /* It may be a good idea to create a conversation for
- every server in this list, as we'll see at
- least a getinfo request to each of them and they
- may run on totally unusual ports. */
-
- if (text_tree) {
- server_item = proto_tree_add_text(text_tree,
- tvb, base, 7,
- "Server: %s:%u",
- get_hostname(ip_addr),
- udp_port);
- if (server_item)
- server_tree = proto_item_add_subtree(
- server_item,
- ett_quake3_server);
- }
- if (server_tree) {
- proto_tree_add_ipv4(server_tree, hf_quake3_server_addr,
- tvb, base + 1, 4, ip_addr);
- proto_tree_add_uint(server_tree, hf_quake3_server_port,
- tvb, base + 5, 2, udp_port);
- }
-
- base += 7;
- }
- }
- else if (strncmp(text, "getservers", 10) == 0) {
- command = COMMAND_getservers;
- *direction = DIR_C2M;
- command_len = 10;
- }
- else if (strncmp(text, "getKeyAuthorize", 15) == 0) {
- command = COMMAND_getKeyAuthorize;
- *direction = DIR_C2M;
- command_len = 15;
- }
- else if (strncmp(text, "getIpAuthorize", 14) == 0) {
- command = COMMAND_getIpAuthorize;
- *direction = DIR_C2M;
- command_len = 14;
- }
- else if (strncmp(text, "ipAuthorize", 11) == 0) {
- command = COMMAND_ipAuthorize;
- *direction = DIR_M2C;
- command_len = 11;
- }
- else {
- *direction = DIR_UNKNOWN;
- }
-
- if (text_tree && command_finished == FALSE) {
- proto_tree_add_string(text_tree, hf_quake3_connectionless_command,
- tvb, offset, command_len,
- val_to_str(command, names_command, "Unknown"));
- }
-
- offset += len + 1;
-
-}
-
-
-static void
-dissect_quake3_client_commands(tvbuff_t *tvb, packet_info *pinfo,
- proto_tree *tree)
-{
- /* this shouldn't be too difficult */
- call_dissector(data_handle,tvb, pinfo, tree);
-}
-
-
-static void
-dissect_quake3_server_commands(tvbuff_t *tvb, packet_info *pinfo,
- proto_tree *tree)
-{
- /* It is totally forbidden to decode this any further,
- I wont do it. */
- call_dissector(data_handle,tvb, pinfo, tree);
-}
-
-
-static const value_string names_reliable[] = {
- { 0, "Non Reliable" },
- { 1, "Reliable" },
- { 0, NULL }
-};
-
-
-static void
-dissect_quake3_GamePacket(tvbuff_t *tvb, packet_info *pinfo,
- proto_tree *tree, int *direction)
-{
- proto_tree *game_tree = NULL;
- proto_item *game_item = NULL;
- guint32 seq1;
- guint32 seq2;
- int rel1;
- int rel2;
- int offset;
- guint rest_length;
-
- *direction = (pinfo->destport == gbl_quake3_server_port) ?
- DIR_C2S : DIR_S2C;
-
- if (tree) {
- game_item = proto_tree_add_text(tree, tvb,
- 0, -1, "Game");
- if (game_item)
- game_tree = proto_item_add_subtree(
- game_item, ett_quake3_game);
- }
-
- offset = 0;
-
- seq1 = tvb_get_letohs(tvb, offset);
- rel1 = seq1 & 0x8000 ? 1 : 0;
- seq1 &= ~0x8000;
- if (game_tree) {
- proto_item *seq1_item = proto_tree_add_text(game_tree,
- tvb, offset, 2, "Current Sequence: %u (%s)",
- seq1, val_to_str(rel1,names_reliable,"%u"));
- if (seq1_item) {
- proto_tree *seq1_tree = proto_item_add_subtree(
- seq1_item, ett_quake3_game_seq1);
- proto_tree_add_uint(seq1_tree, hf_quake3_game_seq1,
- tvb, offset, 2, seq1);
- proto_tree_add_boolean(seq1_tree, hf_quake3_game_rel1,
- tvb, offset+1, 1, rel1);
- }
- }
- offset += 2;
-
- seq2 = tvb_get_letohs(tvb, offset);
- rel2 = seq2 & 0x8000 ? 1 : 0;
- seq2 &= ~0x8000;
- if (game_tree) {
- proto_item *seq2_item = proto_tree_add_text(game_tree,
- tvb, offset, 2, "Acknowledge Sequence: %u (%s)",
- seq2, val_to_str(rel2,names_reliable,"%u"));
- if (seq2_item) {
- proto_tree *seq2_tree = proto_item_add_subtree(
- seq2_item, ett_quake3_game_seq2);
- proto_tree_add_uint(seq2_tree, hf_quake3_game_seq2,
- tvb, offset, 2, seq2);
- proto_tree_add_boolean(seq2_tree, hf_quake3_game_rel2,
- tvb, offset+1, 1, rel2);
- }
- }
- offset += 2;
-
- if (*direction == DIR_C2S) {
- /* client to server */
- guint16 qport = tvb_get_letohs(tvb, offset);
- if (game_tree) {
- proto_tree_add_uint(game_tree, hf_quake3_game_qport,
- tvb, offset, 2, qport);
- }
- offset +=2;
- }
-
- /* all the rest is pure game data */
- rest_length = tvb_reported_length(tvb) - offset;
- if (rest_length) {
- tvbuff_t *next_tvb =
- tvb_new_subset(tvb, offset, rest_length , rest_length);
-
- if (*direction == DIR_C2S) {
- proto_item *c_item = NULL;
- proto_tree *c_tree = NULL;
- if (tree) {
- c_item = proto_tree_add_text(game_tree, next_tvb,
- 0, -1, "Client Commands");
- if (c_item) {
- c_tree = proto_item_add_subtree(
- c_item, ett_quake3_game_clc);
- }
- }
- dissect_quake3_client_commands(next_tvb, pinfo, c_tree);
- }
- else {
- proto_item *c_item = NULL;
- proto_tree *c_tree = NULL;
- if (tree) {
- c_item = proto_tree_add_text(game_tree, next_tvb,
- 0, -1, "Server Commands");
- if (c_item) {
- c_tree = proto_item_add_subtree(
- c_item, ett_quake3_game_svc);
- }
- }
- dissect_quake3_server_commands(next_tvb, pinfo, c_tree);
- }
- }
-}
-
-
-static void
-dissect_quake3(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
-{
- proto_tree *quake3_tree = NULL;
- proto_item *quake3_item = NULL;
- proto_item *dir_item = NULL;
- int direction;
-
- direction = DIR_UNKNOWN;
-
- if (check_col(pinfo->cinfo, COL_PROTOCOL))
- col_set_str(pinfo->cinfo, COL_PROTOCOL, "QUAKE3");
-
- if (tree) {
- quake3_item = proto_tree_add_item(tree, proto_quake3,
- tvb, 0, -1, FALSE);
- if (quake3_item)
- quake3_tree = proto_item_add_subtree(
- quake3_item, ett_quake3);
-
- if (quake3_tree) {
- dir_item = proto_tree_add_none_format(
- quake3_tree,
- hf_quake3_direction, tvb, 0, 0,
- "Direction: %s",
- val_to_str(direction,
- names_direction, "%u"));
- }
- }
-
- if (tvb_get_ntohl(tvb, 0) == 0xffffffff) {
- if (check_col(pinfo->cinfo, COL_INFO)) {
- col_set_str(pinfo->cinfo, COL_INFO, "Connectionless ");
- }
- if (quake3_tree)
- proto_tree_add_uint_format(quake3_tree,
- hf_quake3_connectionless,
- tvb, 0, 0, 1,
- "Type: Connectionless");
- dissect_quake3_ConnectionlessPacket(
- tvb, pinfo, quake3_tree, &direction);
- }
- else {
- if (check_col(pinfo->cinfo, COL_INFO)) {
- col_set_str(pinfo->cinfo, COL_INFO, "Game ");
- }
- if (quake3_tree)
- proto_tree_add_uint_format(quake3_tree,
- hf_quake3_game,
- tvb, 0, 0, 1,
- "Type: Game");
- dissect_quake3_GamePacket(
- tvb, pinfo, quake3_tree, &direction);
- }
- if (direction != DIR_UNKNOWN && dir_item)
- proto_item_set_text(dir_item,
- "Direction: %s",
- val_to_str(direction,
- names_direction, "%u"));
-
- if (check_col(pinfo->cinfo, COL_INFO))
- col_append_str(pinfo->cinfo, COL_INFO, val_to_str(direction,
- names_direction, "%u"));
-}
-
-
-void
-proto_reg_handoff_quake3(void)
-{
- static int initialized=FALSE;
- static dissector_handle_t quake3_handle;
- static int server_port;
- static int master_port;
- int i;
-
- if (!initialized) {
- quake3_handle = create_dissector_handle(dissect_quake3,
- proto_quake3);
- initialized=TRUE;
- } else {
- for (i=0;i<4;i++)
- dissector_delete("udp.port", server_port+i, quake3_handle);
- for (i=0;i<4;i++)
- dissector_delete("udp.port", master_port+i, quake3_handle);
- }
-
- /* set port for future deletes */
- server_port = gbl_quake3_server_port;
- master_port = gbl_quake3_master_port;
-
- /* add dissectors */
- for (i=0;i<4;i++)
- dissector_add("udp.port", gbl_quake3_server_port + i,
- quake3_handle);
- for (i=0;i<4;i++)
- dissector_add("udp.port", gbl_quake3_master_port + i,
- quake3_handle);
- data_handle = find_dissector("data");
-}
-
-
-void
-proto_register_quake3(void)
-{
- static hf_register_info hf[] = {
- { &hf_quake3_direction,
- { "Direction", "quake3.direction",
- FT_NONE, BASE_DEC, NULL, 0x0,
- "Packet Direction", HFILL }},
- { &hf_quake3_connectionless,
- { "Connectionless", "quake3.connectionless",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Connectionless", HFILL }},
- { &hf_quake3_game,
- { "Game", "quake3.game",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Game", HFILL }},
- { &hf_quake3_connectionless_marker,
- { "Marker", "quake3.connectionless.marker",
- FT_UINT32, BASE_HEX, NULL, 0x0,
- "Marker", HFILL }},
- { &hf_quake3_connectionless_text,
- { "Text", "quake3.connectionless.text",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Text", HFILL }},
- { &hf_quake3_connectionless_command,
- { "Command", "quake3.connectionless.command",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Command", HFILL }},
- { &hf_quake3_server_addr,
- { "Server Address", "quake3.server.addr",
- FT_IPv4, BASE_DEC, NULL, 0x0,
- "Server IP Address", HFILL }},
- { &hf_quake3_server_port,
- { "Server Port", "quake3.server.port",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Server UDP Port", HFILL }},
- { &hf_quake3_game_seq1,
- { "Sequence Number", "quake3.game.seq1",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Sequence number of the current packet", HFILL }},
- { &hf_quake3_game_rel1,
- { "Reliable", "quake3.game.rel1",
- FT_BOOLEAN, BASE_DEC, NULL, 0x0,
- "Packet is reliable and may be retransmitted", HFILL }},
- { &hf_quake3_game_seq2,
- { "Sequence Number", "quake3.game.seq2",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Sequence number of the last received packet", HFILL }},
- { &hf_quake3_game_rel2,
- { "Reliable", "quake3.game.rel2",
- FT_BOOLEAN, BASE_DEC, NULL, 0x0,
- "Packet was reliable and may be retransmitted", HFILL }},
- { &hf_quake3_game_qport,
- { "QPort", "quake3.game.qport",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Quake III Arena Client Port", HFILL }}
- };
- static gint *ett[] = {
- &ett_quake3,
- &ett_quake3_connectionless,
- &ett_quake3_connectionless_text,
- &ett_quake3_server,
- &ett_quake3_game,
- &ett_quake3_game_seq1,
- &ett_quake3_game_seq2,
- &ett_quake3_game_clc,
- &ett_quake3_game_svc
- };
- module_t *quake3_module;
-
- proto_quake3 = proto_register_protocol("Quake III Arena Network Protocol",
- "QUAKE3", "quake3");
- proto_register_field_array(proto_quake3, hf, array_length(hf));
- proto_register_subtree_array(ett, array_length(ett));
-
- /* Register a configuration option for port */
- quake3_module = prefs_register_protocol(proto_quake3,
- proto_reg_handoff_quake3);
- prefs_register_uint_preference(quake3_module, "udp.arena_port",
- "Quake III Arena Server UDP Base Port",
- "Set the UDP base port for the Quake III Arena Server",
- 10, &gbl_quake3_server_port);
- prefs_register_uint_preference(quake3_module, "udp.master_port",
- "Quake III Arena Master Server UDP Base Port",
- "Set the UDP base port for the Quake III Arena Master Server",
- 10, &gbl_quake3_master_port);
-}