From 5042b225a656552589c528e46d59d5e2e73ef0fc Mon Sep 17 00:00:00 2001 From: sahlberg Date: Fri, 9 Jun 2006 21:41:02 +0000 Subject: From Thomas Dreibholz RSerPool protocol stack and four new protocols git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@18409 f5534014-38df-0310-8fa8-9805f1628bb7 --- epan/dissectors/packet-pingpongprotocol.c | 206 ++++++++++++++++++++++++++++++ 1 file changed, 206 insertions(+) create mode 100644 epan/dissectors/packet-pingpongprotocol.c (limited to 'epan/dissectors/packet-pingpongprotocol.c') diff --git a/epan/dissectors/packet-pingpongprotocol.c b/epan/dissectors/packet-pingpongprotocol.c new file mode 100644 index 0000000000..1e80b609c4 --- /dev/null +++ b/epan/dissectors/packet-pingpongprotocol.c @@ -0,0 +1,206 @@ +/* packet-pingpongprotocol.c + * Routines for the Ping Pong Protocol, a test application of the + * rsplib RSerPool implementation + * http://tdrwww.exp-math.uni-essen.de/dreibholz/rserpool/ + * + * Copyright 2006 by Thomas Dreibholz + * + * $Id: x.c 15844 2005-09-17 00:02:31Z x $ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs + * Copyright 1998 Gerald Combs + * + * Copied from README.developer + * + * 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 + + +#define PINGPONGPROTOCOL_PAYLOAD_PROTOCOL_ID 0x29097602 + + +/* Initialize the protocol and registered fields */ +static int proto_pingpongprotocol = -1; +static int hf_message_type = -1; +static int hf_message_flags = -1; +static int hf_message_length = -1; +static int hf_ping_messageno = -1; +static int hf_ping_data = -1; +static int hf_pong_messageno = -1; +static int hf_pong_replyno = -1; +static int hf_pong_data = -1; + + +/* Initialize the subtree pointers */ +static gint ett_pingpongprotocol = -1; + +static void +dissect_pingpongprotocol_message(tvbuff_t *, packet_info *, proto_tree *); + + +/* Dissectors for messages. This is specific to PingPongProtocol */ +#define MESSAGE_TYPE_LENGTH 1 +#define MESSAGE_FLAGS_LENGTH 1 +#define MESSAGE_LENGTH_LENGTH 2 + +#define MESSAGE_TYPE_OFFSET 0 +#define MESSAGE_FLAGS_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH) +#define MESSAGE_LENGTH_OFFSET (MESSAGE_FLAGS_OFFSET + MESSAGE_FLAGS_LENGTH) +#define MESSAGE_VALUE_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH) + + +#define PING_MESSAGENO_LENGTH 8 + +#define PING_MESSAGENO_OFFSET MESSAGE_VALUE_OFFSET +#define PING_DATA_OFFSET (PING_MESSAGENO_OFFSET + PING_MESSAGENO_LENGTH) + +#define PONG_MESSAGENO_LENGTH 8 +#define PONG_REPLYNO_LENGTH 8 + +#define PONG_MESSAGENO_OFFSET MESSAGE_VALUE_OFFSET +#define PONG_REPLYNO_OFFSET (PONG_MESSAGENO_OFFSET + PONG_MESSAGENO_LENGTH) +#define PONG_DATA_OFFSET (PONG_REPLYNO_OFFSET + PONG_REPLYNO_LENGTH) + + +#define PINGPONG_PING_MESSAGE_TYPE 0x01 +#define PINGPONG_PONG_MESSAGE_TYPE 0x02 + + + +static const value_string message_type_values[] = { + { PINGPONG_PONG_MESSAGE_TYPE, "PingPongProtocol Pong" }, + { PINGPONG_PING_MESSAGE_TYPE, "PingPongProtocol Ping" }, + { 0, NULL } +}; + + +static void +dissect_pingpongprotocol_ping_message(tvbuff_t *message_tvb, proto_tree *message_tree) +{ + guint16 ping_data_length; + + proto_tree_add_item(message_tree, hf_ping_messageno, message_tvb, PING_MESSAGENO_OFFSET, PING_MESSAGENO_LENGTH, FALSE); + + ping_data_length = tvb_get_ntohs(message_tvb, MESSAGE_LENGTH_OFFSET) - PING_DATA_OFFSET; + if (ping_data_length > 0) + proto_tree_add_item(message_tree, hf_ping_data, message_tvb, PING_DATA_OFFSET, ping_data_length, FALSE); +} + +static void +dissect_pingpongprotocol_pong_message(tvbuff_t *message_tvb, proto_tree *message_tree) +{ + guint16 pong_data_length; + + proto_tree_add_item(message_tree, hf_pong_messageno, message_tvb, PONG_MESSAGENO_OFFSET, PONG_MESSAGENO_LENGTH, FALSE); + proto_tree_add_item(message_tree, hf_pong_replyno, message_tvb, PONG_REPLYNO_OFFSET, PONG_REPLYNO_LENGTH, FALSE); + + pong_data_length = tvb_get_ntohs(message_tvb, MESSAGE_LENGTH_OFFSET) - PONG_DATA_OFFSET; + if (pong_data_length > 0) { + proto_tree_add_item(message_tree, hf_pong_data, message_tvb, PONG_DATA_OFFSET, pong_data_length, FALSE); + } +} + + +static void +dissect_pingpongprotocol_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *pingpongprotocol_tree) +{ + guint8 type; + + type = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET); + if (pinfo && (check_col(pinfo->cinfo, COL_INFO))) { + col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(type, message_type_values, "Unknown PingPongProtocol type")); + } + proto_tree_add_item(pingpongprotocol_tree, hf_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, FALSE); + proto_tree_add_item(pingpongprotocol_tree, hf_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, FALSE); + proto_tree_add_item(pingpongprotocol_tree, hf_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, FALSE); + switch (type) { + case PINGPONG_PING_MESSAGE_TYPE: + dissect_pingpongprotocol_ping_message(message_tvb, pingpongprotocol_tree); + break; + case PINGPONG_PONG_MESSAGE_TYPE: + dissect_pingpongprotocol_pong_message(message_tvb, pingpongprotocol_tree); + break; + } +} + +static int +dissect_pingpongprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *pingpongprotocol_item; + proto_tree *pingpongprotocol_tree; + + /* pinfo is NULL only if dissect_pingpongprotocol_message is called from dissect_error cause */ + if (pinfo && (check_col(pinfo->cinfo, COL_PROTOCOL))) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "PingPongProtocol"); + + /* In the interest of speed, if "tree" is NULL, don't do any work not + necessary to generate protocol tree items. */ + if (tree) { + /* create the pingpongprotocol protocol tree */ + pingpongprotocol_item = proto_tree_add_item(tree, proto_pingpongprotocol, message_tvb, 0, -1, FALSE); + pingpongprotocol_tree = proto_item_add_subtree(pingpongprotocol_item, ett_pingpongprotocol); + } else { + pingpongprotocol_tree = NULL; + }; + /* dissect the message */ + dissect_pingpongprotocol_message(message_tvb, pinfo, pingpongprotocol_tree); + return(TRUE); +} + +/* Register the protocol with Wireshark */ +void +proto_register_pingpongprotocol(void) +{ + + /* Setup list of header fields */ + static hf_register_info hf[] = { + { &hf_message_type, { "Type", "pingpongprotocol.message_type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, "", HFILL } }, + { &hf_message_flags, { "Flags", "pingpongprotocol.message_flags", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_message_length, { "Length", "pingpongprotocol.message_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_ping_messageno, { "MessageNo", "pingpongprotocol.ping_messageno", FT_UINT64, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_ping_data, { "Ping_Data", "pingpongprotocol.ping_data", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL } }, + { &hf_pong_messageno, { "MessageNo", "pingpongprotocol.pong_messageno", FT_UINT64, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_pong_replyno, { "ReplyNo", "pingpongprotocol.pong_replyno", FT_UINT64, BASE_DEC, NULL, 0x0, "", HFILL } }, + { &hf_pong_data, { "Pong_Data", "pingpongprotocol.pong_data", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL } }, + }; + + /* Setup protocol subtree array */ + static gint *ett[] = { + &ett_pingpongprotocol + }; + + /* Register the protocol name and description */ + proto_pingpongprotocol = proto_register_protocol("Ping Pong Protocol", "PingPongProtocol", "pingpongprotocol"); + + /* Required function calls to register the header fields and subtrees used */ + proto_register_field_array(proto_pingpongprotocol, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_pingpongprotocol(void) +{ + dissector_handle_t pingpongprotocol_handle; + + pingpongprotocol_handle = new_create_dissector_handle(dissect_pingpongprotocol, proto_pingpongprotocol); + dissector_add("sctp.ppi", PINGPONGPROTOCOL_PAYLOAD_PROTOCOL_ID, pingpongprotocol_handle); +} -- cgit v1.2.3