* File needed for one of Laurent's patches that I just committed.
svn path=/trunk/; revision=104
This commit is contained in:
parent
b0fdc8edb2
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@ -0,0 +1,702 @@
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/* packet-giop.c
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* Routines for CORBA GIOP/IIOP packet disassembly
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*
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* Laurent Deniel <deniel@worldnet.fr>
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*
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* $Id: packet-giop.c,v 1.1 1998/11/18 03:04:25 gerald Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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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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*
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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 <gtk/gtk.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include "ethereal.h"
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#include "packet.h"
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/*
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* GIOP / IIOP types definition - OMG CORBA 2.x / GIOP 1.[01]
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* See OMG WEB site <http://www.omg.org> - CORBA+IIOP 2.2 (98-02-01.ps)
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*
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* Notes on mapping:
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*
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* <sequence> : unsigned int (# elts) + elements
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* <string> : unsigned int (string length) + length characters (with '\0')
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* <enum> : unsigned int (from 0 to n)
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*/
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#define GIOP_MAGIC "GIOP"
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#define GIOP_MAJOR 1
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#define GIOP_MINOR 1
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#define GIOP_HEADER_SIZE 12
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typedef struct OctetSequence{
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u_int sequence_length;
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u_char sequence_data[1]; /* of length bytes */
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} OctetSequence;
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typedef OctetSequence Principal;
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typedef OctetSequence String;
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/*
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* Some structures that contain sequences can not be directly used
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* (alignment problem on 64 bit architectures)
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*/
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typedef struct ServiceContext {
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u_int context_id;
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OctetSequence context_data;
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} ServiceContext;
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typedef struct ServiceContextList{
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u_int nr_context;
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ServiceContext service_context[1]; /* nr_context elements */
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} ServiceContextList;
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typedef enum MsgType {
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Request,
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Reply,
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CancelRequest,
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LocateRequest,
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LocateReply,
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CloseConnection,
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MessageError,
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Fragment /* GIOP 1.1 only */
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} MsgType;
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typedef struct Version {
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u_char major;
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u_char minor;
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} Version;
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typedef struct MessageHeader {
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char magic[4];
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Version GIOP_version;
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u_char flags; /* byte_order in 1.0 */
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u_char message_type;
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u_int message_size;
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} MessageHeader;
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typedef struct RequestHeader_1_0 {
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/* ServiceContextList service_context;*/
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u_int request_id;
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u_char response_expected;
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OctetSequence object_key;
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/* String operation; */
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/* Principal requesting_principal; */
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} RequestHeader_1_0;
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typedef struct RequestHeader_1_1 {
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/* ServiceContextList service_context;*/
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u_int request_id;
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u_char response_expected;
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u_char reserved[3];
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OctetSequence object_key;
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/* String operation; */
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/* Principal requesting_principal; */
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} RequestHeader_1_1;
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typedef enum ReplyStatusType {
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NO_EXCEPTION,
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USER_EXCEPTION,
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SYSTEM_EXCEPTION,
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LOCATION_FORWARD
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} ReplyStatusType;
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typedef struct ReplyHeader {
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/* ServiceContext service_context; */
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u_int request_id;
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u_int reply_status;
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} ReplyHeader;
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typedef struct SystemExceptionReplyBody {
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String exception_id;
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u_int minor_code_value;
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u_int completion_status;
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} SystemExceptionReplyBody;
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typedef struct CancelRequestHeader {
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u_int request_id;
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} CancelRequestHeader;
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typedef struct LocateRequestHeader {
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u_int request_id;
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OctetSequence object_key;
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} LocateRequestHeader;
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typedef enum LocateStatusType {
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UNKNOWN_OBJECT,
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OBJECT_HERE,
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OBJECT_FORWARD
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} LocateStatusType;
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typedef struct LocateReplyHeader {
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u_int request_id;
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u_int locate_status;
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} LocateReplyHeader;
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u_char *print_object_key(int length, u_char *from)
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{
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#define MAX_OBJECT_KEY_LENGTH 64
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static u_char buffer[MAX_OBJECT_KEY_LENGTH];
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u_char *to = buffer;
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int i = 0;
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length = MIN(MAX_OBJECT_KEY_LENGTH - 3, length);
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*to++ = '"';
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while(i++ < length) {
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*to = (isprint(*from)) ? *from : '.';
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to++;
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from++;
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}
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*to++ = '"';
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*to = '\0';
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return buffer;
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}
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/* main entry point */
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void dissect_giop(const u_char *pd, int offset, frame_data *fd, GtkTree *tree)
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{
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MessageHeader header;
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GtkWidget *clnp_tree = NULL, *ti;
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u_char response_expected = 0;
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u_int first_offset = offset;
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u_int big_endian = FALSE;
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u_int request_id = 0;
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u_int message_size;
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u_int minor_version;
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u_int context_id;
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u_int reply_status;
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u_int locate_status;
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u_int sequence_length;
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u_int nr_seq;
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RequestHeader_1_1 request_1_1;
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RequestHeader_1_0 request_1_0;
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ReplyHeader reply;
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LocateReplyHeader locate_rep;
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LocateRequestHeader locate_req;
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int i;
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#define END_OF_GIOP_MESSAGE (offset - first_offset - GIOP_HEADER_SIZE)
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if (fd->cap_len < offset + GIOP_HEADER_SIZE) {
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dissect_data(pd, offset, fd, tree);
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return;
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}
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/* avoid alignment problem */
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memcpy(&header, &pd[offset], sizeof(header));
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/* check magic number and version */
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if (memcmp(header.magic, GIOP_MAGIC, sizeof(header.magic)) != 0) {
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dissect_data(pd, offset, fd, tree);
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return;
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}
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if (header.GIOP_version.major != GIOP_MAJOR ||
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((minor_version = header.GIOP_version.minor) > GIOP_MINOR)) {
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dissect_data(pd, offset, fd, tree);
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return;
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}
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switch(minor_version) {
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case 1 :
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if (header.flags & 0x01)
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big_endian = FALSE;
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else
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big_endian = TRUE;
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break;
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case 0 :
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if (header.flags)
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big_endian = FALSE;
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else
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big_endian = TRUE;
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break;
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default :
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break;
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}
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if (big_endian)
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message_size = pntohl(&header.message_size);
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else
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message_size = pletohl(&header.message_size);
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if (check_col(fd, COL_PROTOCOL)) {
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col_add_str(fd, COL_PROTOCOL, "GIOP");
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}
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if (tree) {
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ti = add_item_to_tree(GTK_WIDGET(tree), offset,
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GIOP_HEADER_SIZE + message_size,
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"General Inter-ORB Protocol");
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clnp_tree = gtk_tree_new();
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add_subtree(ti, clnp_tree, ETT_GIOP);
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add_item_to_tree(clnp_tree, offset, 4,
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"Magic number: %s", GIOP_MAGIC);
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add_item_to_tree(clnp_tree, offset + 4, 2,
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"Version: %d.%d",
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header.GIOP_version.major,
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header.GIOP_version.minor);
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switch(minor_version) {
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case 1 :
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add_item_to_tree(clnp_tree, offset + 6, 1,
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"Flags: 0x%02x (%s%s)",
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header.flags,
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(big_endian) ? "little" : "big",
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(header.flags & 0x02) ? " fragment" : "");
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break;
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case 0 :
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add_item_to_tree(clnp_tree, offset + 6, 1,
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"Byte ordering: %s endian",
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(big_endian) ? "little" : "big");
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break;
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default :
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break;
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} /* minor_version */
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add_item_to_tree(clnp_tree, offset + 7, 1,
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"Message type: %s",
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(header.message_type == Request) ? "Request" :
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(header.message_type == Reply) ? "Reply" :
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(header.message_type == CancelRequest) ? "CancelRequest" :
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(header.message_type == LocateRequest) ? "LocateRequest" :
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(header.message_type == LocateReply) ? "LocateReply" :
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(header.message_type == CloseConnection) ? "CloseConnection" :
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(header.message_type == MessageError) ? "MessageError" :
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(header.message_type == Fragment) ? "Fragment" : "?");
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add_item_to_tree(clnp_tree, offset + 8, 4,
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"Message size: %d", message_size);
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} /* tree */
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offset += GIOP_HEADER_SIZE;
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if (fd->cap_len < offset + message_size) {
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dissect_data(pd, offset, fd, tree);
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return;
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}
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/* skip service_context in Request/Reply messages */
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switch(header.message_type) {
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case Request:
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case Reply :
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nr_seq = (big_endian) ? pntohl(&pd[offset]) : pletohl(&pd[offset]);
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offset += sizeof(nr_seq);
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for (i = 0 ; i < nr_seq ; i++) {
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if (big_endian) {
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context_id = pntohl(&pd[offset]);
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sequence_length = pntohl(&pd[offset + sizeof(context_id)]);
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}
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else {
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context_id = pletohl(&pd[offset]);
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sequence_length = pletohl(&pd[offset + sizeof(context_id)]);
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}
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if (tree) {
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add_item_to_tree(clnp_tree, offset, sizeof(context_id),
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"Context id: %d", context_id);
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add_item_to_tree(clnp_tree, offset + sizeof(context_id),
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sizeof(sequence_length),
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"Sequence length: %d", sequence_length);
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add_item_to_tree(clnp_tree,
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offset +
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sizeof(context_id) + sizeof(sequence_length),
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sequence_length,
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"Sequence data: <not shown>");
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}
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offset += sizeof(context_id) + sizeof(sequence_length) + sequence_length;
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offset += (sequence_length %4) ? 4 - (sequence_length%4) : 0 ;
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} /* for */
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||||
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default :
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break;
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||||
} /* switch message_type */
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||||
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/* decode next parts according to message type */
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switch(header.message_type) {
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||||
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case Request:
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switch(minor_version) {
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case 1 :
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memcpy(&request_1_1, &pd[offset], sizeof(request_1_1));
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response_expected = request_1_1.response_expected;
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request_id = (big_endian)? pntohl(&request_1_1.request_id) :
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pletohl(&request_1_1.request_id);
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||||
if (tree) {
|
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add_item_to_tree(clnp_tree, offset, sizeof(request_id),
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"Request id: %d", request_id);
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add_item_to_tree(clnp_tree, offset + sizeof(request_id),
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sizeof(request_1_1.response_expected),
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"Response expected: %d",
|
||||
response_expected);
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||||
add_item_to_tree(clnp_tree, offset + sizeof(request_id) +
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||||
sizeof(request_1_1.response_expected),
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3,
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||||
"Reserved");
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||||
}
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||||
offset += sizeof(request_id) +
|
||||
sizeof(request_1_1.response_expected) + 3;
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||||
break;
|
||||
case 0 :
|
||||
memcpy(&request_1_0, &pd[offset], sizeof(request_1_0));
|
||||
response_expected = request_1_0.response_expected;
|
||||
request_id = (big_endian)? pntohl(&request_1_0.request_id) :
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||||
pletohl(&request_1_0.request_id);
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(request_id),
|
||||
"Request id: %d", request_id);
|
||||
add_item_to_tree(clnp_tree, offset + sizeof(request_id),
|
||||
sizeof(request_1_0.response_expected),
|
||||
"Response expected: %d",
|
||||
response_expected);
|
||||
}
|
||||
|
||||
offset += sizeof(request_id) +
|
||||
sizeof(request_1_0.response_expected);
|
||||
break;
|
||||
default :
|
||||
break;
|
||||
}
|
||||
|
||||
/* strange thing here with some ORBs/IIOP1.0 ? */
|
||||
if ((offset - first_offset) % 4)
|
||||
offset += 4 - (offset - first_offset)%4;
|
||||
|
||||
/* object_key */
|
||||
|
||||
sequence_length = (big_endian) ?
|
||||
pntohl(&pd[offset]) : pletohl(&pd[offset]);
|
||||
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(sequence_length),
|
||||
"Object key length: %d", sequence_length);
|
||||
add_item_to_tree(clnp_tree, offset + sizeof(sequence_length),
|
||||
sequence_length,
|
||||
"Object key: %s",
|
||||
print_object_key(sequence_length,
|
||||
(u_char *)&pd[offset + sizeof(sequence_length)]));
|
||||
}
|
||||
|
||||
/* operation & requesting_principal */
|
||||
|
||||
offset += sizeof(sequence_length) + sequence_length;
|
||||
offset += (sequence_length %4) ? 4 - (sequence_length%4) : 0 ;
|
||||
|
||||
sequence_length = (big_endian) ?
|
||||
pntohl(&pd[offset]) : pletohl(&pd[offset]);
|
||||
|
||||
if (sequence_length > message_size) {
|
||||
dissect_data(pd, offset, fd, tree);
|
||||
return;
|
||||
}
|
||||
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(sequence_length),
|
||||
"Operation length: %d", sequence_length);
|
||||
add_item_to_tree(clnp_tree, offset + sizeof(sequence_length),
|
||||
sequence_length,
|
||||
"Operation: %s",
|
||||
&pd[offset+sizeof(sequence_length)]);
|
||||
add_item_to_tree(clnp_tree, offset +
|
||||
sizeof(sequence_length)+ sequence_length,
|
||||
message_size - END_OF_GIOP_MESSAGE -
|
||||
sizeof(sequence_length) - sequence_length,
|
||||
"Requesting principal: <not shown>");
|
||||
}
|
||||
|
||||
if (check_col(fd, COL_INFO)) {
|
||||
col_add_fstr(fd, COL_INFO, "Request %s %d: %s",
|
||||
response_expected ? "two-way" : "one-way" ,
|
||||
request_id,
|
||||
&pd[offset+sizeof(sequence_length)]);
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case Reply :
|
||||
|
||||
memcpy(&reply, &pd[offset], sizeof(reply));
|
||||
request_id = (big_endian) ?
|
||||
pntohl(&reply.request_id) : pletohl(&reply.request_id);
|
||||
reply_status = (big_endian) ?
|
||||
pntohl(&reply.reply_status) : pletohl(&reply.reply_status);
|
||||
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(request_id),
|
||||
"Request id: %d", request_id);
|
||||
add_item_to_tree(clnp_tree, offset + sizeof(request_id),
|
||||
sizeof(reply_status),
|
||||
"Reply status: %s",
|
||||
reply_status == NO_EXCEPTION ? "no exception" :
|
||||
reply_status == USER_EXCEPTION ? "user exception" :
|
||||
reply_status == SYSTEM_EXCEPTION ? "system exception" :
|
||||
reply_status == LOCATION_FORWARD ? "location forward" :
|
||||
"?");
|
||||
}
|
||||
|
||||
if (check_col(fd, COL_INFO)) {
|
||||
col_add_fstr(fd, COL_INFO, "Reply %d: %s",
|
||||
request_id,
|
||||
reply_status == NO_EXCEPTION ? "no exception" :
|
||||
reply_status == USER_EXCEPTION ? "user exception" :
|
||||
reply_status == SYSTEM_EXCEPTION ? "system exception" :
|
||||
reply_status == LOCATION_FORWARD ? "location forward" :
|
||||
"?");
|
||||
}
|
||||
|
||||
offset += sizeof(request_id) + sizeof(reply_status);
|
||||
|
||||
if (reply_status == SYSTEM_EXCEPTION) {
|
||||
|
||||
u_int minor_code_value;
|
||||
u_int completion_status;
|
||||
|
||||
sequence_length = (big_endian) ?
|
||||
pntohl(&pd[offset]) : pletohl(&pd[offset]);
|
||||
|
||||
if (sequence_length > message_size) {
|
||||
dissect_data(pd, offset, fd, tree);
|
||||
return;
|
||||
}
|
||||
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(sequence_length),
|
||||
"Exception length: %d", sequence_length);
|
||||
add_item_to_tree(clnp_tree, offset + sizeof(sequence_length),
|
||||
sequence_length,
|
||||
"Exception id: %s",
|
||||
&pd[offset+sizeof(sequence_length)]);
|
||||
|
||||
}
|
||||
|
||||
offset += sizeof(sequence_length) + sequence_length;
|
||||
|
||||
minor_code_value = (big_endian) ?
|
||||
pntohl(&pd[offset]) : pletohl(&pd[offset]);
|
||||
completion_status = (big_endian) ?
|
||||
pntohl(&pd[offset+sizeof(minor_code_value)]) :
|
||||
pletohl(&pd[offset+sizeof(minor_code_value)]);
|
||||
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(minor_code_value),
|
||||
"Minor code value: %d", minor_code_value);
|
||||
add_item_to_tree(clnp_tree, offset + sizeof(minor_code_value),
|
||||
sizeof(completion_status),
|
||||
"Completion Status: %d",
|
||||
completion_status);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
else if (reply_status == USER_EXCEPTION) {
|
||||
|
||||
sequence_length = (big_endian) ?
|
||||
pntohl(&pd[offset]) : pletohl(&pd[offset]);
|
||||
|
||||
if (sequence_length > message_size) {
|
||||
dissect_data(pd, offset, fd, tree);
|
||||
return;
|
||||
}
|
||||
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(sequence_length),
|
||||
"Exception length: %d", sequence_length);
|
||||
add_item_to_tree(clnp_tree, offset + sizeof(sequence_length),
|
||||
sequence_length,
|
||||
"Exception id: %s",
|
||||
&pd[offset+sizeof(sequence_length)]);
|
||||
|
||||
}
|
||||
|
||||
offset += sizeof(sequence_length) + sequence_length;
|
||||
|
||||
sequence_length = (big_endian) ?
|
||||
pntohl(&pd[offset]) : pletohl(&pd[offset]);
|
||||
|
||||
if (sequence_length > message_size) {
|
||||
dissect_data(pd, offset, fd, tree);
|
||||
return;
|
||||
}
|
||||
|
||||
if (tree && sequence_length) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(sequence_length),
|
||||
"Exception member length: %d", sequence_length);
|
||||
add_item_to_tree(clnp_tree, offset + sizeof(sequence_length),
|
||||
sequence_length,
|
||||
"Exception member: %s",
|
||||
&pd[offset+sizeof(sequence_length)]);
|
||||
}
|
||||
|
||||
offset += sizeof(sequence_length) + sequence_length;
|
||||
|
||||
}
|
||||
else {
|
||||
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset,
|
||||
message_size - END_OF_GIOP_MESSAGE,
|
||||
"Reply body: <not shown>");
|
||||
}
|
||||
|
||||
} /* reply_status */
|
||||
|
||||
break;
|
||||
|
||||
case LocateRequest :
|
||||
|
||||
memcpy(&locate_req, &pd[offset], sizeof(locate_req));
|
||||
request_id = (big_endian) ?
|
||||
pntohl(&locate_req.request_id) : pletohl(&locate_req.request_id);
|
||||
|
||||
sequence_length = (big_endian) ?
|
||||
pntohl(&pd[offset+sizeof(request_id)]) :
|
||||
pletohl(&pd[offset+sizeof(request_id)]);
|
||||
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(request_id),
|
||||
"Request id: %d", request_id);
|
||||
add_item_to_tree(clnp_tree, offset + sizeof(request_id),
|
||||
sizeof(sequence_length),
|
||||
"Object key length: %d", sequence_length);
|
||||
offset += sizeof(request_id) + sizeof(sequence_length);
|
||||
add_item_to_tree(clnp_tree,
|
||||
offset,
|
||||
sequence_length,
|
||||
"Object key: %s",
|
||||
print_object_key(sequence_length,
|
||||
(u_char *)&pd[offset]));
|
||||
}
|
||||
|
||||
if (check_col(fd, COL_INFO)) {
|
||||
col_add_fstr(fd, COL_INFO, "LocateRequest %d", request_id);
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case LocateReply :
|
||||
|
||||
memcpy(&locate_rep, &pd[offset], sizeof(locate_rep));
|
||||
request_id = (big_endian) ?
|
||||
pntohl(&locate_rep.request_id) : pletohl(&locate_rep.request_id);
|
||||
locate_status = (big_endian) ?
|
||||
pntohl(&locate_rep.locate_status) : pletohl(&locate_rep.locate_status);
|
||||
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(request_id),
|
||||
"Request id: %d", request_id);
|
||||
add_item_to_tree(clnp_tree, offset + sizeof(request_id),
|
||||
sizeof(locate_status),
|
||||
"Locate status: %d", locate_status);
|
||||
offset += sizeof(request_id) + sizeof(locate_status);
|
||||
if (locate_status == OBJECT_FORWARD) {
|
||||
add_item_to_tree(clnp_tree, offset,
|
||||
message_size - END_OF_GIOP_MESSAGE,
|
||||
"Locate reply body: <not shown>");
|
||||
}
|
||||
}
|
||||
|
||||
if (check_col(fd, COL_INFO)) {
|
||||
col_add_fstr(fd, COL_INFO, "LocateReply %d: %s",
|
||||
request_id,
|
||||
(locate_status == UNKNOWN_OBJECT) ? "Unknown object" :
|
||||
(locate_status == OBJECT_HERE) ? "Object here" :
|
||||
(locate_status == OBJECT_FORWARD) ? "Object forward" : "?");
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case CancelRequest :
|
||||
|
||||
request_id = (big_endian) ?
|
||||
pntohl(&pd[offset]) : pletohl(&pd[offset]);
|
||||
|
||||
if (tree) {
|
||||
add_item_to_tree(clnp_tree, offset, sizeof(request_id),
|
||||
"Request id: %d", request_id);
|
||||
}
|
||||
|
||||
if (check_col(fd, COL_INFO)) {
|
||||
col_add_fstr(fd, COL_INFO, "CancelRequest %d", request_id);
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case CloseConnection :
|
||||
if (check_col(fd, COL_INFO)) {
|
||||
col_add_str(fd, COL_INFO, "CloseConnection");
|
||||
}
|
||||
break;
|
||||
|
||||
case MessageError :
|
||||
if (check_col(fd, COL_INFO)) {
|
||||
col_add_str(fd, COL_INFO, "MessageError");
|
||||
}
|
||||
break;
|
||||
|
||||
case Fragment :
|
||||
if (check_col(fd, COL_INFO)) {
|
||||
col_add_str(fd, COL_INFO, "Fragment");
|
||||
}
|
||||
break;
|
||||
|
||||
default :
|
||||
break;
|
||||
|
||||
} /* switch message_type */
|
||||
|
||||
|
||||
offset = first_offset + GIOP_HEADER_SIZE + message_size;
|
||||
|
||||
if (offset < fd->cap_len) {
|
||||
dissect_data(pd, offset, fd, tree);
|
||||
}
|
||||
|
||||
} /* dissect_giop */
|
||||
|
Loading…
Reference in New Issue