2002-08-29 12:24:57 +00:00
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/* packet-ib.c
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* Routines for Interbase dissection
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*
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* Erik Kunze <kunze@philosys.de>
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* Uwe Girlich <Uwe.Girlich@philosys.de>
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*
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2003-01-20 08:03:16 +00:00
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* $Id: packet-ib.c,v 1.2 2003/01/20 08:03:16 guy Exp $
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2002-08-29 12:24:57 +00:00
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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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* Copied from packet-x11.c
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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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/* Initialize the protocol and registered fields */
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static int proto_ib = -1;
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static int hf_ib_opcode = -1;
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/* Initialize the subtree pointers */
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static gint ett_ib = -1;
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static dissector_handle_t data_handle;
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#define TCP_PORT_IB 3050
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/*
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* Round a length to a multiple of 4 bytes.
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*/
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#define ROUND_LENGTH(n) ((((n) + 3)/4) * 4)
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static const value_string names_opcode[] = {
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{ 0, "void" },
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{ 1, "connect" },
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{ 2, "exit" },
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{ 3, "accept" },
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{ 4, "reject" },
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{ 5, "protocol" },
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{ 6, "disconnect" },
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{ 7, "credit" },
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{ 8, "continuation" },
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{ 9, "response" },
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{ 10, "open file" },
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{ 11, "create file" },
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{ 12, "close file" },
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{ 13, "read page" },
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{ 14, "write page" },
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{ 15, "lock" },
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{ 16, "convert lock" },
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{ 17, "release lock" },
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{ 18, "blocking" },
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{ 19, "attach" },
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{ 20, "create" },
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{ 21, "detach" },
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{ 22, "compile" },
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{ 23, "start" },
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{ 24, "start and_send" },
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{ 25, "send" },
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{ 26, "receive" },
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{ 27, "unwind" },
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{ 28, "release" },
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{ 29, "transaction" },
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{ 30, "commit" },
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{ 31, "rollback" },
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{ 32, "prepare" },
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{ 33, "reconnect" },
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{ 34, "create blob" },
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{ 35, "open blob" },
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{ 36, "get segment" },
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{ 37, "put segment" },
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{ 38, "cancel blob" },
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{ 39, "close blob" },
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{ 40, "info database" },
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{ 41, "info request" },
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{ 42, "info transaction" },
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{ 43, "info blob" },
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{ 44, "batch segments" },
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{ 45, "mgr set_affinity" },
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{ 46, "mgr clear_affinity" },
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{ 47, "mgr report" },
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{ 48, "que events" },
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{ 49, "cancel events" },
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{ 50, "commit retaining" },
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{ 51, "prepare2" },
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{ 52, "event" },
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{ 53, "connect request" },
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{ 54, "aux connect" },
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{ 55, "ddl" },
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{ 56, "open blob2" },
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{ 57, "create blob2" },
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{ 58, "get slice" },
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{ 59, "put slice" },
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{ 60, "slice" },
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{ 61, "seek blob" },
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{ 62, "allocate statement" },
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{ 63, "execute" },
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{ 64, "exec immediate" },
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{ 65, "fetch" },
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{ 66, "fetch response" },
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{ 67, "free statement" },
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{ 68, "prepare statement" },
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{ 69, "set cursor" },
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{ 70, "info sql" },
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{ 71, "dummy" },
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{ 72, "response piggyback" },
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{ 73, "start and_receive" },
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{ 74, "start send_and_receive" },
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{ 75, "exec immediate2" },
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{ 76, "execute2" },
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{ 77, "insert" },
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{ 78, "sql response" },
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{ 79, "transact" },
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{ 80, "transact response" },
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{ 81, "drop database" },
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{ 82, "service attach" },
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{ 83, "service detach" },
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{ 84, "service info" },
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{ 85, "service start" },
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{ 86, "rollback retaining" },
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{ 0, NULL }
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};
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2003-01-20 08:03:16 +00:00
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static int
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2002-08-29 12:24:57 +00:00
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dissect_ib(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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2003-01-20 08:03:16 +00:00
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guint32 opcode;
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2002-08-29 12:24:57 +00:00
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proto_item *ti = NULL;
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proto_tree *ib_tree = NULL;
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int offset;
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tvbuff_t *next_tvb;
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2003-01-20 08:03:16 +00:00
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offset = 0;
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/*
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* Check that the opcode is one we recognize.
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*/
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if (!tvb_bytes_exist(tvb, offset, 4)) {
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/*
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* We don't have enough bytes for an opcode.
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*/
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return 0;
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}
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opcode = tvb_get_ntohl(tvb, offset + 0);
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if (match_strval(opcode, names_opcode) == NULL) {
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/*
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* This isn't an opcode we recognize.
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*/
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return 0;
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}
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2002-08-29 12:24:57 +00:00
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if (check_col(pinfo->cinfo, COL_PROTOCOL))
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "IB");
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if (check_col(pinfo->cinfo, COL_INFO)) {
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if (pinfo->match_port == pinfo->destport)
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col_set_str(pinfo->cinfo, COL_INFO, "Request");
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else
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col_set_str(pinfo->cinfo, COL_INFO, "Reply");
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}
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if (tree) {
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ti = proto_tree_add_item(tree, proto_ib, tvb, 0, -1, FALSE);
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}
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if (ti) {
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ib_tree = proto_item_add_subtree(ti, ett_ib);
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}
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if (ib_tree) {
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proto_tree_add_uint(ib_tree,
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hf_ib_opcode, tvb, offset + 0, 4, opcode);
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}
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if (check_col(pinfo->cinfo, COL_INFO)) {
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col_append_fstr(pinfo->cinfo, COL_INFO, " %s",
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val_to_str(opcode,names_opcode,"%u"));
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}
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offset += 4;
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2003-01-20 08:03:16 +00:00
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next_tvb = tvb_new_subset(tvb, offset, -1, -1);
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2002-08-29 12:24:57 +00:00
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call_dissector(data_handle, next_tvb, pinfo, ib_tree);
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2003-01-20 08:03:16 +00:00
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return tvb_length(tvb);
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2002-08-29 12:24:57 +00:00
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}
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/* Register the protocol with Ethereal */
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void proto_register_ib(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_ib_opcode,
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{ "Opcode", "ib.opcode",
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FT_UINT32, BASE_DEC, VALS(names_opcode), 0x0,
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"packet opcode", 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_ib,
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};
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/* Register the protocol name and description */
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proto_ib = proto_register_protocol("Interbase", "IB", "ib");
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/* Required function calls to register the header fields and subtrees used */
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proto_register_field_array(proto_ib, 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_ib(void)
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{
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dissector_handle_t ib_handle;
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2003-01-20 08:03:16 +00:00
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ib_handle = new_create_dissector_handle(dissect_ib, proto_ib);
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2002-08-29 12:24:57 +00:00
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dissector_add("tcp.port", TCP_PORT_IB, ib_handle);
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data_handle = find_dissector("data");
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}
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