forked from osmocom/wireshark
849 lines
26 KiB
C
849 lines
26 KiB
C
/* packet-rsvp.c
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* Routines for RSVP packet disassembly
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*
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* (c) Copyright Ashok Narayanan <ashokn@cisco.com>
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*
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* $Id: packet-rsvp.c,v 1.1 1999/06/11 16:44:51 gram 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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* NOTES
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*
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* This module defines routines to disassemble RSVP packets, as defined in
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* RFC 2205. All objects from RC2205 are supported, in IPv4 and IPv6 mode.
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* In addition, the Integrated Services traffic specification objects
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* defined in RFC2210 are also supported.
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*
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* IPv6 support is not completely tested
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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 <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.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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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#ifdef NEED_SNPRINTF_H
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# ifdef HAVE_STDARG_H
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# include <stdarg.h>
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# else
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# include <varargs.h>
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# endif
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# include "snprintf.h"
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#endif
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#include <glib.h>
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#include "packet.h"
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#include "packet-ipv6.h"
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#include "packet-rsvp.h"
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/* Stuff for IEEE float handling */
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#define IEEE_NUMBER_WIDTH 32 /* bits in number */
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#define IEEE_EXP_WIDTH 8 /* bits in exponent */
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#define IEEE_MANTISSA_WIDTH 23 /* IEEE_NUMBER_WIDTH - 1 - IEEE_EXP_WIDTH */
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#define IEEE_SIGN_MASK 0x80000000
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#define IEEE_EXPONENT_MASK 0x7F800000
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#define IEEE_MANTISSA_MASK 0x007FFFFF
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#define IEEE_INFINITY IEEE_EXPONENT_MASK
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#define IEEE_IMPLIED_BIT (1 << IEEE_MANTISSA_WIDTH)
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#define IEEE_INFINITE ((1 << IEEE_EXP_WIDTH) - 1)
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#define IEEE_BIAS ((1 << (IEEE_EXP_WIDTH - 1)) - 1)
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#define MINUS_INFINITY (signed)0x80000000L
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#define PLUS_INFINITY 0x7FFFFFFF
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static inline int ieee_float_is_zero (long number)
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{
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return(!(number & ~IEEE_SIGN_MASK));
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}
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/*
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* simple conversion: ieee floating point to long
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*/
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static long ieee_to_long (const void *p)
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{
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long number;
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long sign;
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long exponent;
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long mantissa;
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number = pntohl(p);
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sign = number & IEEE_SIGN_MASK;
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exponent = number & IEEE_EXPONENT_MASK;
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mantissa = number & IEEE_MANTISSA_MASK;
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if (ieee_float_is_zero(number)) {
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/* number is zero, unnormalized, or not-a-number */
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return 0;
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}
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if (IEEE_INFINITY == exponent) {
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/* number is positive or negative infinity, or a special value */
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return (sign? MINUS_INFINITY: PLUS_INFINITY);
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}
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exponent = (exponent >> IEEE_MANTISSA_WIDTH) - IEEE_BIAS;
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if (exponent < 0) {
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/* number is between zero and one */
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return 0;
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}
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mantissa |= IEEE_IMPLIED_BIT;
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if (exponent <= IEEE_MANTISSA_WIDTH)
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mantissa >>= IEEE_MANTISSA_WIDTH - exponent;
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else
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mantissa <<= exponent - IEEE_MANTISSA_WIDTH;
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if (sign)
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return -mantissa;
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else
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return mantissa;
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}
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void
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dissect_rsvp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
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{
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proto_tree *rsvp_tree = NULL, *ti;
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proto_tree *rsvp_header_tree;
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proto_tree *rsvp_object_tree;
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char *packet_type, *object_type;
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rsvp_header *hdr;
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rsvp_object *obj;
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int i, len, mylen;
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int msg_length;
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int obj_length;
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int offset2;
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hdr = (rsvp_header *)&pd[offset];
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packet_type = match_strval(hdr->message_type, message_type_vals);
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if (check_col(fd, COL_PROTOCOL))
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col_add_str(fd, COL_PROTOCOL, "RSVP");
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if (check_col(fd, COL_INFO)) {
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if (packet_type != NULL)
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col_add_str(fd, COL_INFO, packet_type);
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else
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col_add_fstr(fd, COL_INFO, "Unknown (%d)", hdr->message_type);
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}
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if (tree) {
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msg_length = pntohs(pd+offset+6);
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ti = proto_tree_add_item(tree, offset, msg_length,
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"Resource ReserVation Protocol (RSVP)");
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rsvp_tree = proto_tree_new();
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proto_item_add_subtree(ti, rsvp_tree, ETT_RSVP);
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ti = proto_tree_add_item(rsvp_tree, offset,
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sizeof(rsvp_header), "RSVP Header");
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rsvp_header_tree = proto_tree_new();
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proto_item_add_subtree(ti, rsvp_header_tree, ETT_RSVP_HDR);
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proto_tree_add_item(rsvp_header_tree, offset, 1, "RSVP Version: %d",
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(hdr->ver_flags & 0xf0)>>4);
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proto_tree_add_item(rsvp_header_tree, offset, 1, "Flags: %02X",
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hdr->ver_flags & 0xf);
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proto_tree_add_item(rsvp_header_tree, offset+1, 1, "Message Type: %d - %s",
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hdr->message_type,
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packet_type?packet_type:"Unknown");
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proto_tree_add_item(rsvp_header_tree, offset + 2 , 2, "Message Checksum");
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proto_tree_add_item(rsvp_header_tree, offset + 4 , 1, "Sending TTL: %d",
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hdr->sending_ttl);
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proto_tree_add_item(rsvp_header_tree, offset + 6 , 2, "Message length: %d",
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msg_length);
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offset += sizeof(rsvp_header);
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len = 0;
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while (len + sizeof(rsvp_header) < msg_length) {
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obj = (rsvp_object *)&pd[offset];
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obj_length = pntohs(pd+offset);
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if (offset + obj_length > fd->cap_len) {
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proto_tree_add_item(rsvp_tree, offset, 1,
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"Further data not captured");
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break;
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}
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object_type = match_strval(obj->class, rsvp_class_vals);
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if (!object_type) object_type = "Unknown";
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ti = proto_tree_add_item(rsvp_tree, offset,
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obj_length,
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"%s (%d)", object_type, obj->class);
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rsvp_object_tree = proto_tree_new();
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offset2 = offset + sizeof(rsvp_object);
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switch(obj->class) {
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case RSVP_CLASS_SESSION :
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proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_SESSION);
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proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
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obj_length);
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proto_tree_add_item(rsvp_object_tree, offset+2, 1,
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"Class number: %d - %s",
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obj->class, object_type);
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switch(obj->type) {
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case 1: {
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rsvp_session_ipv4 *sess = (rsvp_session_ipv4 *)obj;
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: 1 - IPv4");
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proto_tree_add_item(rsvp_object_tree, offset2, 4,
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"Destination address: %s",
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ip_to_str((guint8 *) &(sess->destination)));
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proto_tree_add_item(rsvp_object_tree, offset2+4, 1,
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"Protocol: %d", sess->protocol);
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proto_tree_add_item(rsvp_object_tree, offset2+5, 1,
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"Flags: %d", sess->flags);
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proto_tree_add_item(rsvp_object_tree, offset2+6, 2,
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"Destination port: %d",
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pntohs(pd+offset2+6));
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break;
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}
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case 2: {
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rsvp_session_ipv6 *sess = (rsvp_session_ipv6 *)obj;
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: 2 - IPv6");
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proto_tree_add_item(rsvp_object_tree, offset2, 4,
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"Destination address: %s",
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ip6_to_str(&(sess->destination)));
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proto_tree_add_item(rsvp_object_tree, offset2+16, 1,
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"Protocol: %d", sess->protocol);
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proto_tree_add_item(rsvp_object_tree, offset2+17, 1,
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"Flags: %d", sess->flags);
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proto_tree_add_item(rsvp_object_tree, offset2+18, 2,
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"Destination port: %d",
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pntohs(pd+offset2+18));
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break;
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}
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default: {
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: Unknown (%d)",
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obj->type);
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i = obj_length - sizeof(rsvp_object);
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proto_tree_add_item(rsvp_object_tree, offset2, i,
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"Data (%d bytes)", i);
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}
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}
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break;
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case RSVP_CLASS_HOP :
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proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_HOP);
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proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
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obj_length);
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proto_tree_add_item(rsvp_object_tree, offset+2, 1,
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"Class number: %d - %s",
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obj->class, object_type);
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switch(obj->type) {
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case 1: {
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rsvp_hop_ipv4 *hop = (rsvp_hop_ipv4 *)obj;
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: 1 - IPv4");
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proto_tree_add_item(rsvp_object_tree, offset2, 4,
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"Neighbor address: %s",
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ip_to_str((guint8 *) &(hop->neighbor)));
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proto_tree_add_item(rsvp_object_tree, offset2+4, 4,
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"Logical interface: %0x",
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pntohl(pd+offset2+4));
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break;
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}
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case 2: {
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rsvp_hop_ipv6 *hop = (rsvp_hop_ipv6 *)obj;
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: 2 - IPv6");
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proto_tree_add_item(rsvp_object_tree, offset2, 4,
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"Neighbor address: %s",
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ip6_to_str(&(hop->neighbor)));
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proto_tree_add_item(rsvp_object_tree, offset2+16, 4,
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"Logical interface: %0x",
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pntohl(pd+offset2+16));
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break;
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}
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default: {
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: Unknown (%d)",
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obj->type);
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i = obj_length - sizeof(rsvp_object);
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proto_tree_add_item(rsvp_object_tree, offset2, i,
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"Data (%d bytes)", i);
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}
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}
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break;
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case RSVP_CLASS_TIME_VALUES :
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proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_TIME_VALUES);
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proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
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obj_length);
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proto_tree_add_item(rsvp_object_tree, offset+2, 1,
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"Class number: %d - %s",
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obj->class, object_type);
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switch(obj->type) {
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case 1: {
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: 1");
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proto_tree_add_item(rsvp_object_tree, offset2, 4,
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"Refresh interval: %u ms (%u seconds)",
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pntohl(pd+offset2),
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pntohl(pd+offset2)/1000);
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break;
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}
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default: {
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: Unknown (%d)",
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obj->type);
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i = obj_length - sizeof(rsvp_object);
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proto_tree_add_item(rsvp_object_tree, offset2, i,
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"Data (%d bytes)", i);
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break;
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}
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}
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break;
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case RSVP_CLASS_ERROR :
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proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_ERROR);
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proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
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obj_length);
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proto_tree_add_item(rsvp_object_tree, offset+2, 1,
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"Class number: %d - %s",
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obj->class, object_type);
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switch(obj->type) {
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case 1: {
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rsvp_error_ipv4 *err = (rsvp_error_ipv4 *)obj;
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char *err_str = match_strval(err->error_code, rsvp_error_vals);
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if (!err_str) err_str = "Unknown";
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: 1 - IPv4");
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proto_tree_add_item(rsvp_object_tree, offset2, 4,
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"Error node: %s",
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ip_to_str((guint8 *) &(err->error_node)));
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proto_tree_add_item(rsvp_object_tree, offset2+4, 1,
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"Flags: %02x", err->flags);
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proto_tree_add_item(rsvp_object_tree, offset2+5, 1,
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"Error code: %d - %s", err->error_code,
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err_str);
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proto_tree_add_item(rsvp_object_tree, offset2+6, 2,
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"Error value: %d", pntohs(pd+offset2+6));
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break;
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}
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case 2: {
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rsvp_error_ipv6 *err = (rsvp_error_ipv6 *)obj;
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char *err_str = match_strval(err->error_code, rsvp_error_vals);
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if (!err_str) err_str = "Unknown";
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: 2 - IPv6");
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proto_tree_add_item(rsvp_object_tree, offset2, 4,
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"Error node: %s",
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ip6_to_str(&(err->error_node)));
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proto_tree_add_item(rsvp_object_tree, offset2+16, 1,
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"Flags: %02x", err->flags);
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proto_tree_add_item(rsvp_object_tree, offset2+17, 1,
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"Error code: %d - %s", err->error_code,
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err_str);
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proto_tree_add_item(rsvp_object_tree, offset2+18, 2,
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"Error value: %d", pntohs(pd+offset2+18));
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break;
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}
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default: {
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: Unknown (%d)",
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obj->type);
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i = obj_length - sizeof(rsvp_object);
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proto_tree_add_item(rsvp_object_tree, offset2, i,
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"Data (%d bytes)", i);
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}
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}
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break;
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|
|
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case RSVP_CLASS_SCOPE :
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mylen = obj_length;
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proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_SCOPE);
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proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
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obj_length);
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proto_tree_add_item(rsvp_object_tree, offset+2, 1,
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"Class number: %d - %s",
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obj->class, object_type);
|
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switch(obj->type) {
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case 1: {
|
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unsigned long ip;
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: 1 - IPv4");
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while (mylen > sizeof(rsvp_object)) {
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ip = pntohl(pd+offset2);
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proto_tree_add_item(rsvp_object_tree, offset2, 4,
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"IPv4 Address: %s",
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ip_to_str((guint8 *) &ip));
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offset2 += 4;
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mylen -= 4;
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}
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break;
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}
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case 2: {
|
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struct e_in6_addr *ip;
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: 2 - IPv6");
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while (mylen>sizeof(rsvp_object)) {
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ip = (struct e_in6_addr *)pd+offset2;
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proto_tree_add_item(rsvp_object_tree, offset2, 16,
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"IPv6 Address: %s",
|
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ip6_to_str(ip));
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offset2 += 16;
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mylen -= 16;
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}
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break;
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}
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default: {
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proto_tree_add_item(rsvp_object_tree, offset+3, 1,
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"C-type: Unknown (%d)",
|
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obj->type);
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i = obj_length - sizeof(rsvp_object);
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proto_tree_add_item(rsvp_object_tree, offset2, i,
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"Data (%d bytes)", i);
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}
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}
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break;
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|
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case RSVP_CLASS_STYLE :
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proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_STYLE);
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proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
|
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obj_length);
|
|
proto_tree_add_item(rsvp_object_tree, offset+2, 1,
|
|
"Class number: %d - %s",
|
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obj->class, object_type);
|
|
switch(obj->type) {
|
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case 1: {
|
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unsigned long ip = pntohl(pd+offset2);
|
|
char *style_str = match_strval(ip, style_vals);
|
|
if (!style_str) style_str = "Unknown";
|
|
proto_tree_add_item(rsvp_object_tree, offset+3, 1,
|
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"C-type: 1");
|
|
proto_tree_add_item(rsvp_object_tree, offset2+5, 1,
|
|
"Style: %ld - %s", ip, style_str);
|
|
break;
|
|
}
|
|
|
|
default: {
|
|
proto_tree_add_item(rsvp_object_tree, offset+3, 1,
|
|
"C-type: Unknown (%d)",
|
|
obj->type);
|
|
i = obj_length - sizeof(rsvp_object);
|
|
proto_tree_add_item(rsvp_object_tree, offset2, i,
|
|
"Data (%d bytes)", i);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case RSVP_CLASS_CONFIRM :
|
|
proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_CONFIRM);
|
|
proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
|
|
obj_length);
|
|
proto_tree_add_item(rsvp_object_tree, offset+2, 1,
|
|
"Class number: %d - %s",
|
|
obj->class, object_type);
|
|
switch(obj->type) {
|
|
case 1: {
|
|
rsvp_confirm_ipv4 *confirm = (rsvp_confirm_ipv4 *)obj;
|
|
proto_tree_add_item(rsvp_object_tree, offset+3, 1,
|
|
"C-type: 1 - IPv4");
|
|
proto_tree_add_item(rsvp_object_tree, offset2, 4,
|
|
"Receiver address: %s",
|
|
ip_to_str((guint8 *) &(confirm->receiver)));
|
|
break;
|
|
}
|
|
|
|
case 2: {
|
|
rsvp_confirm_ipv6 *confirm = (rsvp_confirm_ipv6 *)obj;
|
|
proto_tree_add_item(rsvp_object_tree, offset+3, 1,
|
|
"C-type: 2 - IPv6");
|
|
proto_tree_add_item(rsvp_object_tree, offset2, 16,
|
|
"Receiver address: %s",
|
|
ip6_to_str(&(confirm->receiver)));
|
|
break;
|
|
}
|
|
|
|
default: {
|
|
proto_tree_add_item(rsvp_object_tree, offset+3, 1,
|
|
"C-type: Unknown (%d)",
|
|
obj->type);
|
|
i = obj_length - sizeof(rsvp_object);
|
|
proto_tree_add_item(rsvp_object_tree, offset2, i,
|
|
"Data (%d bytes)", i);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case RSVP_CLASS_SENDER_TEMPLATE :
|
|
proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_SENDER_TEMPLATE);
|
|
proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
|
|
obj_length);
|
|
proto_tree_add_item(rsvp_object_tree, offset+2, 1,
|
|
"Class number: %d - %s",
|
|
obj->class, object_type);
|
|
goto common_template;
|
|
case RSVP_CLASS_FILTER_SPEC :
|
|
proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_FILTER_SPEC);
|
|
proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
|
|
obj_length);
|
|
proto_tree_add_item(rsvp_object_tree, offset+2, 1,
|
|
"Class number: %d - %s",
|
|
obj->class, object_type);
|
|
common_template:
|
|
switch(obj->type) {
|
|
case 1: {
|
|
rsvp_template_ipv4 *tem = (rsvp_template_ipv4 *)obj;
|
|
proto_tree_add_item(rsvp_object_tree, offset+3, 1,
|
|
"C-type: 1 - IPv4");
|
|
proto_tree_add_item(rsvp_object_tree, offset2, 4,
|
|
"Source address: %s",
|
|
ip_to_str((guint8 *) &(tem->source)));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+6, 2,
|
|
"Source port: %d", pntohs(pd+offset2+6));
|
|
break;
|
|
}
|
|
|
|
case 2: {
|
|
rsvp_template_ipv6 *tem = (rsvp_template_ipv6 *)obj;
|
|
proto_tree_add_item(rsvp_object_tree, offset+3, 1,
|
|
"C-type: 2 - IPv6");
|
|
proto_tree_add_item(rsvp_object_tree, offset2, 16,
|
|
"Source address: %s",
|
|
ip6_to_str(&(tem->source)));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+18, 2,
|
|
"Source port: %d", pntohs(pd+offset2+18));
|
|
break;
|
|
}
|
|
|
|
default: {
|
|
proto_tree_add_item(rsvp_object_tree, offset+3, 1,
|
|
"C-type: Unknown (%d)",
|
|
obj->type);
|
|
i = obj_length - sizeof(rsvp_object);
|
|
proto_tree_add_item(rsvp_object_tree, offset2, i,
|
|
"Data (%d bytes)", i);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case RSVP_CLASS_SENDER_TSPEC : {
|
|
IS_tspec *tspec = (IS_tspec *)obj;
|
|
|
|
proto_item_add_subtree(ti, rsvp_object_tree,
|
|
ETT_RSVP_SENDER_TSPEC);
|
|
proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
|
|
obj_length);
|
|
proto_tree_add_item(rsvp_object_tree, offset+2, 1,
|
|
"Class number: %d - %s",
|
|
obj->class, object_type);
|
|
|
|
proto_tree_add_item(rsvp_object_tree, offset2, 1,
|
|
"Message format version: %d",
|
|
tspec->version>>4);
|
|
proto_tree_add_item(rsvp_object_tree, offset2+2, 2,
|
|
"Data length: %d words, not including header",
|
|
pntohs(pd+offset2+2));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+4, 1,
|
|
"Service header: %d - %s",
|
|
tspec->service_header,
|
|
tspec->service_header==1 ?
|
|
"Default/global information (INTSRV_GENERAL)" :
|
|
"Unknown");
|
|
proto_tree_add_item(rsvp_object_tree, offset2+6, 2,
|
|
"Length of service %d data: %d words, "
|
|
"not including header",
|
|
tspec->service_header,
|
|
pntohs(pd+offset2+6)>>12);
|
|
|
|
/* Token bucket TSPEC */
|
|
proto_tree_add_item(rsvp_object_tree, offset2+8, 1,
|
|
"Parameter ID: %d - %s",
|
|
tspec->param_id,
|
|
tspec->param_id==127 ? "Token Bucket TSpec" :
|
|
"Unknown");
|
|
proto_tree_add_item(rsvp_object_tree, offset2+9, 1,
|
|
"Parameter %d flags: %d",
|
|
tspec->param_id, tspec->flags_tspec);
|
|
proto_tree_add_item(rsvp_object_tree, offset2+10, 2,
|
|
"Length of parameter %d data: %d words, "
|
|
"not including header",
|
|
tspec->param_id,
|
|
pntohs(pd+offset2+10));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+12, 4,
|
|
"Token bucket rate: %ld",
|
|
ieee_to_long(pd+offset2+12));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+16, 4,
|
|
"Token bucket size: %ld",
|
|
ieee_to_long(pd+offset2+16));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+20, 4,
|
|
"Peak data rate: %ld",
|
|
ieee_to_long(pd+offset2+20));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+24, 4,
|
|
"Minimum policed unit: %d",
|
|
pntohl(pd+offset2+24));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+28, 4,
|
|
"Maximum policed unit: %d",
|
|
pntohl(pd+offset2+28));
|
|
|
|
break;
|
|
}
|
|
|
|
case RSVP_CLASS_FLOWSPEC : {
|
|
IS_flowspec *flowspec = (IS_flowspec *)obj;
|
|
char *qos_str = match_strval(flowspec->service_header, qos_vals);
|
|
char *is_param_str = match_strval(flowspec->param_id, svc_vals);
|
|
|
|
proto_item_add_subtree(ti, rsvp_object_tree,
|
|
ETT_RSVP_FLOWSPEC);
|
|
proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
|
|
obj_length);
|
|
proto_tree_add_item(rsvp_object_tree, offset+2, 1,
|
|
"Class number: %d - %s",
|
|
obj->class, object_type);
|
|
if (!qos_str) qos_str = "Unknown";
|
|
if (!is_param_str) is_param_str="Unknown";
|
|
|
|
proto_tree_add_item(rsvp_object_tree, offset2, 1,
|
|
"Message format version: %d",
|
|
flowspec->version>>4);
|
|
proto_tree_add_item(rsvp_object_tree, offset2+2, 2,
|
|
"Data length: %d words, not including header",
|
|
pntohs(pd+offset2+2));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+4, 1,
|
|
"Service header: %d - %s",
|
|
flowspec->service_header, qos_str);
|
|
proto_tree_add_item(rsvp_object_tree, offset2+6, 2,
|
|
"Length of service %d data: %d words, "
|
|
"not including header",
|
|
flowspec->service_header,
|
|
pntohs(pd+offset2+6)>>12);
|
|
proto_tree_add_item(rsvp_object_tree, offset2+8, 1,
|
|
"Parameter ID: %d - %s",
|
|
flowspec->param_id, is_param_str);
|
|
proto_tree_add_item(rsvp_object_tree, offset2+9, 1,
|
|
"Parameter %d flags: %d",
|
|
flowspec->param_id, flowspec->flags_tspec);
|
|
proto_tree_add_item(rsvp_object_tree, offset2+10, 2,
|
|
"Length of parameter %d data: %d words, "
|
|
"not including header",
|
|
flowspec->param_id,
|
|
pntohs(pd+offset2+10));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+12, 4,
|
|
"Token bucket rate: %ld",
|
|
ieee_to_long(pd+offset2+12));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+16, 4,
|
|
"Token bucket size: %ld",
|
|
ieee_to_long(pd+offset2+16));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+20, 4,
|
|
"Peak data rate: %ld",
|
|
ieee_to_long(pd+offset2+20));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+24, 4,
|
|
"Minimum policed unit: %d",
|
|
pntohl(pd+offset2+24));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+28, 4,
|
|
"Maximum policed unit: %d",
|
|
pntohl(pd+offset2+28));
|
|
if (flowspec->service_header!=QOS_GUARANTEED)
|
|
break;
|
|
|
|
/* Guaranteed-rate RSpec */
|
|
is_param_str = match_strval(flowspec->param_id_rspec, svc_vals);
|
|
if (!is_param_str) is_param_str="Unknown";
|
|
proto_tree_add_item(rsvp_object_tree, offset2+32, 1,
|
|
"Parameter ID: %d - %s",
|
|
flowspec->param_id, is_param_str);
|
|
proto_tree_add_item(rsvp_object_tree, offset2+33, 1,
|
|
"Parameter %d flags: %d",
|
|
flowspec->param_id, flowspec->flags_rspec);
|
|
proto_tree_add_item(rsvp_object_tree, offset2+34, 2,
|
|
"Length of parameter %d data: %d words, "
|
|
"not including header",
|
|
flowspec->param_id,
|
|
pntohs(pd+offset2+34));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+36, 4,
|
|
"Rate: %ld",
|
|
ieee_to_long(pd+offset2+36));
|
|
proto_tree_add_item(rsvp_object_tree, offset2+40, 4,
|
|
"Slack term: %d",
|
|
pntohl(pd+offset2+40));
|
|
|
|
break;
|
|
}
|
|
|
|
case RSVP_CLASS_ADSPEC : {
|
|
proto_tree *adspec_tree;
|
|
service_hdr *shdr;
|
|
param_hdr *phdr;
|
|
|
|
char *str;
|
|
int tree_num;
|
|
|
|
mylen = obj_length;
|
|
proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_ADSPEC);
|
|
proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
|
|
obj_length);
|
|
proto_tree_add_item(rsvp_object_tree, offset+2, 1,
|
|
"Class number: %d - %s",
|
|
obj->class, object_type);
|
|
|
|
proto_tree_add_item(rsvp_object_tree, offset2, 1,
|
|
"Message format version: %d",
|
|
(*((unsigned char *)pd+offset2))>>4);
|
|
proto_tree_add_item(rsvp_object_tree, offset2+2, 2,
|
|
"Data length: %d words, not including header",
|
|
pntohs(pd+offset2+2));
|
|
offset2+=4;
|
|
tree_num=ETT_RSVP_ADSPEC_SUBTREE1;
|
|
mylen -= 4;
|
|
while (mylen > 4) {
|
|
shdr = (service_hdr *)(pd + offset2);
|
|
str = match_strval(shdr->service_num, adspec_services);
|
|
|
|
ti = proto_tree_add_item(rsvp_object_tree, offset2,
|
|
(pntohs(&shdr->length)+1)<<2,
|
|
str?str:"Unknown");
|
|
adspec_tree = proto_tree_new();
|
|
proto_item_add_subtree(ti, adspec_tree, tree_num++);
|
|
proto_tree_add_item(adspec_tree, offset2, 1,
|
|
"Service header %d - %s",
|
|
shdr->service_num, str);
|
|
proto_tree_add_item(adspec_tree, offset2+1, 1,
|
|
(shdr->break_bit&0x80)?
|
|
"Break bit set":"Break bit not set");
|
|
proto_tree_add_item(adspec_tree, offset2+2, 2,
|
|
"Data length: %d words, not including header",
|
|
pntohs(&shdr->length));
|
|
offset2+=4; i=(pntohs(&shdr->length)+1)<<2; mylen-=4;
|
|
while (i>4) {
|
|
phdr = (param_hdr *)(pd + offset2);
|
|
str = match_strval(phdr->id, adspec_params);
|
|
if (str) {
|
|
switch(phdr->id) {
|
|
case 4:
|
|
case 8:
|
|
case 10:
|
|
case 133:
|
|
case 134:
|
|
case 135:
|
|
case 136:
|
|
/* 32-bit unsigned integer */
|
|
proto_tree_add_item(adspec_tree, offset2,
|
|
(pntohs(&phdr->length)+1)<<2,
|
|
"%s - %lu (type %d, length %d)",
|
|
str,
|
|
(unsigned long)pntohl(&phdr->dataval),
|
|
phdr->id, pntohs(&phdr->length));
|
|
break;
|
|
|
|
case 6:
|
|
/* IEEE float */
|
|
proto_tree_add_item(adspec_tree, offset2,
|
|
(pntohs(&phdr->length)+1)<<2,
|
|
"%s - %lu (type %d, length %d)",
|
|
str,
|
|
ieee_to_long(&phdr->dataval),
|
|
phdr->id, pntohs(&phdr->length));
|
|
break;
|
|
default:
|
|
proto_tree_add_item(adspec_tree, offset2,
|
|
(pntohs(&phdr->length)+1)<<2,
|
|
"%s (type %d, length %d)",
|
|
str,
|
|
phdr->id, pntohs(&phdr->length));
|
|
}
|
|
} else {
|
|
proto_tree_add_item(adspec_tree, offset2,
|
|
(pntohs(&phdr->length)+1)<<2,
|
|
"Unknown (type %d, length %d)",
|
|
phdr->id, pntohs(&phdr->length));
|
|
}
|
|
offset2+=(pntohs(&phdr->length)+1)<<2;
|
|
i-=(pntohs(&phdr->length)+1)<<2;
|
|
mylen-=(pntohs(&phdr->length)+1)<<2;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case RSVP_CLASS_INTEGRITY :
|
|
proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_INTEGRITY);
|
|
proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
|
|
obj_length);
|
|
proto_tree_add_item(rsvp_object_tree, offset+2, 1,
|
|
"Class number: %d - %s",
|
|
obj->class, object_type);
|
|
goto default_class;
|
|
|
|
case RSVP_CLASS_POLICY :
|
|
proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_POLICY);
|
|
proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
|
|
obj_length);
|
|
proto_tree_add_item(rsvp_object_tree, offset+2, 1,
|
|
"Class number: %d - %s",
|
|
obj->class, object_type);
|
|
goto default_class;
|
|
|
|
default :
|
|
proto_item_add_subtree(ti, rsvp_object_tree, ETT_RSVP_UNKNOWN_CLASS);
|
|
proto_tree_add_item(rsvp_object_tree, offset, 2, "Length: %d",
|
|
obj_length);
|
|
proto_tree_add_item(rsvp_object_tree, offset+2, 1,
|
|
"Class number: %d - %s",
|
|
obj->class, object_type);
|
|
default_class:
|
|
i = obj_length - sizeof(rsvp_object);
|
|
proto_tree_add_item(rsvp_object_tree, offset2, i,
|
|
"Data (%d bytes)", i);
|
|
break;
|
|
|
|
case RSVP_CLASS_NULL :
|
|
break;
|
|
|
|
}
|
|
|
|
offset += obj_length;
|
|
len += obj_length;
|
|
}
|
|
}
|
|
}
|