From Thomas Dreibholz (bug 2248):
Add a dissector for the Scripting Service Protocol provided as part of the RSPLIB package. RSPLIB is an Open Source implementation of the upcoming Reliable Server Pooling standard. The scripting service is an application for load distribution, based on Reliable Server Pooling. From me: Shorten the protocol name to SSP. svn path=/trunk/; revision=24276
This commit is contained in:
Stig Bjørlykke
parent
e88b6111a1
commit
138381e214
4
AUTHORS
4
AUTHORS
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@ -2699,6 +2699,10 @@ Shane Kearns <shane.kearns [AT] symbian.com> {
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Support Symbian OS btsnoop
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}
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Thomas Dreibholz <dreibh [AT] iem.uni-due.de> {
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Scripting Service Protocol support
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}
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and by:
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Pavel Roskin <proski [AT] gnu.org>
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@ -699,6 +699,7 @@ CLEAN_DISSECTOR_SRC = \
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packet-sscf-nni.c \
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packet-srvloc.c \
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packet-sscop.c \
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packet-scriptingservice.c \
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packet-ssh.c \
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packet-ssl.c \
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packet-ssl-utils.c \
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@ -0,0 +1,174 @@
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/* packet-scriptingservice.c
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* Routines for the Scripting Service Protocol, a load distribution application
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* of the rsplib RSerPool implementation
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* http://tdrwww.iem.uni-due.de/dreibholz/rserpool/
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*
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* Copyright 2008 by Thomas Dreibholz <dreibh [AT] iem.uni-due.de>
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <epan/packet.h>
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#define SSPROTOCOL_PAYLOAD_PROTOCOL_ID 0x29097604
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/* Initialize the protocol and registered fields */
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static int proto_ssprotocol = -1;
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static int hf_message_type = -1;
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static int hf_message_flags = -1;
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static int hf_message_length = -1;
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static int hf_message_status = -1;
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static int hf_message_data = -1;
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/* Initialize the subtree pointers */
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static gint ett_ssprotocol = -1;
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static void
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dissect_ssprotocol_message(tvbuff_t *, packet_info *, proto_tree *);
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/* Dissectors for messages. This is specific to ScriptingServiceProtocol */
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#define MESSAGE_TYPE_LENGTH 1
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#define MESSAGE_FLAGS_LENGTH 1
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#define MESSAGE_LENGTH_LENGTH 2
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#define MESSAGE_STATUS_LENGTH 4
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#define MESSAGE_TYPE_OFFSET 0
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#define MESSAGE_FLAGS_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
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#define MESSAGE_LENGTH_OFFSET (MESSAGE_FLAGS_OFFSET + MESSAGE_FLAGS_LENGTH)
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#define MESSAGE_STATUS_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH)
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#define MESSAGE_DATA_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH)
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#define SS_READY_TYPE 1
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#define SS_UPLOAD_TYPE 2
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#define SS_DOWNLOAD_TYPE 3
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#define SS_KEEPALIVE_TYPE 4
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#define SS_KAEEPALIVE_ACK_TYPE 5
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#define SS_STATUS_TYPE 6
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static const value_string message_type_values[] = {
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{ SS_READY_TYPE, "Ready" },
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{ SS_UPLOAD_TYPE, "Upload" },
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{ SS_DOWNLOAD_TYPE, "Download" },
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{ SS_KEEPALIVE_TYPE, "Keep-Alive" },
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{ SS_KAEEPALIVE_ACK_TYPE, "Keep-Alive Ack" },
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{ SS_STATUS_TYPE, "Status" },
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{ 0, NULL }
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};
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static void
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dissect_ssprotocol_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *ssprotocol_tree)
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{
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guint8 type;
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guint16 data_length;
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type = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET);
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if (pinfo && (check_col(pinfo->cinfo, COL_INFO))) {
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(type, message_type_values, "Unknown SSP type"));
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}
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proto_tree_add_item(ssprotocol_tree, hf_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, FALSE);
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proto_tree_add_item(ssprotocol_tree, hf_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, FALSE);
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proto_tree_add_item(ssprotocol_tree, hf_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, FALSE);
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switch (type) {
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case SS_KAEEPALIVE_ACK_TYPE:
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case SS_STATUS_TYPE:
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proto_tree_add_item(ssprotocol_tree, hf_message_status, message_tvb, MESSAGE_STATUS_OFFSET, MESSAGE_STATUS_LENGTH, FALSE);
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break;
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case SS_UPLOAD_TYPE:
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case SS_DOWNLOAD_TYPE:
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data_length = tvb_get_ntohs(message_tvb, MESSAGE_LENGTH_OFFSET) - 4;
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if (data_length > 0) {
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proto_tree_add_item(ssprotocol_tree, hf_message_data, message_tvb, MESSAGE_DATA_OFFSET, data_length, FALSE);
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}
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break;
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}
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}
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static int
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dissect_ssprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *ssprotocol_item;
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proto_tree *ssprotocol_tree;
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/* pinfo is NULL only if dissect_ssprotocol_message is called from dissect_error cause */
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if (pinfo && (check_col(pinfo->cinfo, COL_PROTOCOL)))
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "SSP");
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/* In the interest of speed, if "tree" is NULL, don't do any work not
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necessary to generate protocol tree items. */
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if (tree) {
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/* create the ssprotocol protocol tree */
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ssprotocol_item = proto_tree_add_item(tree, proto_ssprotocol, message_tvb, 0, -1, FALSE);
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ssprotocol_tree = proto_item_add_subtree(ssprotocol_item, ett_ssprotocol);
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} else {
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ssprotocol_tree = NULL;
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};
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/* dissect the message */
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dissect_ssprotocol_message(message_tvb, pinfo, ssprotocol_tree);
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return(TRUE);
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}
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/* Register the protocol */
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void
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proto_register_ssprotocol(void)
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{
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/* Setup list of header fields */
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static hf_register_info hf[] = {
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{ &hf_message_type, { "Type", "ssprotocol.message_type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, "", HFILL } },
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{ &hf_message_flags, { "Flags", "ssprotocol.message_flags", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
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{ &hf_message_length, { "Length", "ssprotocol.message_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
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{ &hf_message_status, { "Status", "ssprotocol.message_status", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
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{ &hf_message_data, { "Data", "ssprotocol.message_data", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL } }
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_ssprotocol
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};
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/* Register the protocol name and description */
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proto_ssprotocol = proto_register_protocol("Scripting Service Protocol", "SSP", "ssp");
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/* Required function calls to register the header fields and subtrees used */
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proto_register_field_array(proto_ssprotocol, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_ssprotocol(void)
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{
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dissector_handle_t ssprotocol_handle;
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ssprotocol_handle = new_create_dissector_handle(dissect_ssprotocol, proto_ssprotocol);
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dissector_add("sctp.ppi", SSPROTOCOL_PAYLOAD_PROTOCOL_ID, ssprotocol_handle);
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}
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