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tcpdump/print-rsvp.c

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/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code
* distributions retain the above copyright notice and this paragraph
* in its entirety, and (2) distributions including binary code include
* the above copyright notice and this paragraph in its entirety in
* the documentation or other materials provided with the distribution.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE.
*
* Original code by Hannes Gredler (hannes@juniper.net)
*/
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.6 2002-12-04 19:04:56 hannes Exp $";
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "interface.h"
#include "extract.h"
#include "addrtoname.h"
#include "ethertype.h"
/*
* RFC 2205 common header
*
* 0 1 2 3
* +-------------+-------------+-------------+-------------+
* | Vers | Flags| Msg Type | RSVP Checksum |
* +-------------+-------------+-------------+-------------+
* | Send_TTL | (Reserved) | RSVP Length |
* +-------------+-------------+-------------+-------------+
*
*/
struct rsvp_common_header {
u_int8_t version_flags;
u_int8_t msg_type;
u_int8_t checksum[2];
u_int8_t ttl;
u_int8_t reserved;
u_int8_t length[2];
} __attribute__((packed));
/*
* RFC2205 object header
*
*
* 0 1 2 3
* +-------------+-------------+-------------+-------------+
* | Length (bytes) | Class-Num | C-Type |
* +-------------+-------------+-------------+-------------+
* | |
* // (Object contents) //
* | |
* +-------------+-------------+-------------+-------------+
*/
struct rsvp_object_header {
u_int8_t length[2];
u_int8_t class_num;
u_int8_t ctype;
} __attribute__((packed));
#define RSVP_VERSION 1
#define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
#define RSVP_MSGTYPE_PATH 1
#define RSVP_MSGTYPE_RESV 2
#define RSVP_MSGTYPE_PATHERR 3
#define RSVP_MSGTYPE_RESVERR 4
#define RSVP_MSGTYPE_PATHTEAR 5
#define RSVP_MSGTYPE_RESVTEAR 6
#define RSVP_MSGTYPE_RESVCONF 7
#define RSVP_MSGTYPE_AGGREGATE 12
#define RSVP_MSGTYPE_ACK 13
#define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
#define RSVP_MSGTYPE_SREFRESH 15
#define RSVP_MSGTYPE_HELLO 20
static const struct tok rsvp_msg_type_values[] = {
{ RSVP_MSGTYPE_PATH, "Path" },
{ RSVP_MSGTYPE_RESV, "Resv" },
{ RSVP_MSGTYPE_PATHERR, "PathErr" },
{ RSVP_MSGTYPE_RESVERR, "ResvErr" },
{ RSVP_MSGTYPE_PATHTEAR, "PathTear" },
{ RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
{ RSVP_MSGTYPE_RESVCONF, "ResvConf" },
{ RSVP_MSGTYPE_AGGREGATE, "Aggregate" },
{ RSVP_MSGTYPE_ACK, "Acknowledgement" },
{ RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
{ RSVP_MSGTYPE_SREFRESH, "Refresh" },
{ RSVP_MSGTYPE_HELLO, "Hello" },
{ 0, NULL}
};
#define RSVP_OBJ_SESSION 1 /* rfc2205 */
#define RSVP_OBJ_RSVP_HOP 3 /* rfc2205 */
#define RSVP_OBJ_INTEGRITY 4
#define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
#define RSVP_OBJ_ERROR_SPEC 6
#define RSVP_OBJ_SCOPE 7
#define RSVP_OBJ_STYLE 8 /* rfc2205 */
#define RSVP_OBJ_FLOWSPEC 9 /* rfc2210 */
#define RSVP_OBJ_FILTERSPEC 10 /* rfc2210 */
#define RSVP_OBJ_SENDER_TEMPLATE 11
#define RSVP_OBJ_SENDER_TSPEC 12
#define RSVP_OBJ_ADSPEC 13 /* rfc2210 */
#define RSVP_OBJ_POLICY_DATA 14
#define RSVP_OBJ_CONFIRM 15
#define RSVP_OBJ_LABEL 16 /* rfc3209 */
#define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
#define RSVP_OBJ_ERO 20
#define RSVP_OBJ_RRO 21
#define RSVP_OBJ_HELLO 22
#define RSVP_OBJ_MESSAGE_ID 23
#define RSVP_OBJ_MESSAGE_ID_ACK 24
#define RSVP_OBJ_MESSAGE_ID_LIST 25
#define RSVP_OBJ_RECOVERY_LABEL 34
#define RSVP_OBJ_UPSTREAM_LABEL 35
#define RSVP_OBJ_DETOUR 63
#define RSVP_OBJ_SUGGESTED_LABEL 129
#define RSVP_OBJ_PROPERTIES 204
#define RSVP_OBJ_FASTREROUTE 205
#define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
#define RSVP_OBJ_RESTART_CAPABILITY 131 /* draft-pan-rsvp-te-restart */
static const struct tok rsvp_obj_values[] = {
{ RSVP_OBJ_SESSION, "Session" },
{ RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
{ RSVP_OBJ_INTEGRITY, "Integrity" },
{ RSVP_OBJ_TIME_VALUES, "Time Values" },
{ RSVP_OBJ_ERROR_SPEC, "Error Spec" },
{ RSVP_OBJ_SCOPE, "Scope" },
{ RSVP_OBJ_STYLE, "Style" },
{ RSVP_OBJ_FLOWSPEC, "Flowspec" },
{ RSVP_OBJ_FILTERSPEC, "FilterSpec" },
{ RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
{ RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
{ RSVP_OBJ_ADSPEC, "Adspec" },
{ RSVP_OBJ_POLICY_DATA, "Policy Data" },
{ RSVP_OBJ_CONFIRM, "Confirm" },
{ RSVP_OBJ_LABEL, "Label" },
{ RSVP_OBJ_LABEL_REQ, "Label Request" },
{ RSVP_OBJ_ERO, "ERO" },
{ RSVP_OBJ_RRO, "RRO" },
{ RSVP_OBJ_HELLO, "Hello" },
{ RSVP_OBJ_MESSAGE_ID, "Message ID" },
{ RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
{ RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
{ RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
{ RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
{ RSVP_OBJ_DETOUR, "Detour" },
{ RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
{ RSVP_OBJ_PROPERTIES, "Properties" },
{ RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
{ RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
{ RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
{ 0, NULL}
};
#define RSVP_CTYPE_IPV4 1
#define RSVP_CTYPE_IPV6 2
#define RSVP_CTYPE_TUNNEL_IPV4 7
#define RSVP_CTYPE_TUNNEL_IPV6 8
#define RSVP_CTYPE_1 1
#define RSVP_CTYPE_2 2
#define RSVP_CTYPE_3 3
/*
* the ctypes are not globally unique so for
* translating it to strings we build a table based
* on objects offsetted by the ctype
*/
static const struct tok rsvp_ctype_values[] = {
{ 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
{ 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
{ 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
{ 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
{ 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
{ 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
{ 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
{ 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
{ 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
{ 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
{ 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
{ 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
{ 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
{ 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
{ 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
{ 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
{ 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
{ 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
{ 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
{ 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "1" },
{ 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
{ 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
{ 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
{ 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
{ 0, NULL}
};
#define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
#define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
#define RSVP_OBJ_XRO_RES 0
#define RSVP_OBJ_XRO_IPV4 1
#define RSVP_OBJ_XRO_IPV6 2
#define RSVP_OBJ_XRO_ASN 32
#define RSVP_OBJ_XRO_MPLS 64
static const struct tok rsvp_obj_xro_values[] = {
{ RSVP_OBJ_XRO_RES, "Reserved" },
{ RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
{ RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
{ RSVP_OBJ_XRO_ASN, "Autonomous system number" },
{ RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
{ 0, NULL}
};
static const struct tok rsvp_resstyle_values[] = {
{ 17, "Wildcard Filter" },
{ 10, "Fixed Filter" },
{ 18, "Shared Explicit" },
{ 0, NULL}
};
#define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
#define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
static const struct tok rsvp_intserv_service_type_values[] = {
{ RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
{ RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
{ 0, NULL}
};
static const struct tok rsvp_intserv_parameter_id_values[] = {
{ 127, "Token Bucket TSpec" },
{ 130, "Guaranteed Service RSpec" },
{ 0, NULL}
};
static struct tok rsvp_session_attribute_flag_values[] = {
{ 1, "Local Protection desired" },
{ 2, "Label Recording desired" },
{ 4, "SE Style desired" },
{ 0, NULL}
};
#define FALSE 0
#define TRUE 1
void
rsvp_print(register const u_char *pptr, register u_int len) {
const struct rsvp_common_header *rsvp_com_header;
const struct rsvp_object_header *rsvp_obj_header;
const u_char *tptr,*obj_tptr;
u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen;
int hexdump;
float bw;
tptr=pptr;
rsvp_com_header = (const struct rsvp_common_header *)pptr;
TCHECK(*rsvp_com_header);
/*
* Sanity checking of the header.
*/
if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
printf("RSVP version %u packet not supported",
RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
return;
}
/* in non-verbose mode just lets print the basic Message Type*/
if (vflag < 1) {
printf("RSVP %s Message, length: %u",
tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
len);
return;
}
/* ok they seem to want to know everything - lets fully decode it */
tlen=EXTRACT_16BITS(rsvp_com_header->length);
printf("RSVP\n\tv: %u, msg-type: %s, length: %u, ttl: %u, checksum: 0x%04x",
RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
tlen,
rsvp_com_header->ttl,
EXTRACT_16BITS(rsvp_com_header->checksum));
tptr+=sizeof(const struct rsvp_common_header);
tlen-=sizeof(const struct rsvp_common_header);
while(tlen>0) {
/* did we capture enough for fully decoding the object header ? */
if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
goto trunc;
rsvp_obj_header = (const struct rsvp_object_header *)tptr;
rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
rsvp_obj_ctype=rsvp_obj_header->ctype;
if(rsvp_obj_len % 4 || rsvp_obj_len < 4)
return;
printf("\n\t %s Object (%u) Flags: [%s",
tok2str(rsvp_obj_values,
"Unknown",
rsvp_obj_header->class_num),
rsvp_obj_header->class_num,
((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
if (rsvp_obj_header->class_num > 128)
printf(" %s",
((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
printf(" if unknown], Class-Type: %s (%u), length: %u",
tok2str(rsvp_ctype_values,
"Unknown",
((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
rsvp_obj_ctype,
rsvp_obj_len);
obj_tptr=tptr+sizeof(struct rsvp_object_header);
obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
/* did we capture enough for fully decoding the object ? */
if (!TTEST2(*tptr, rsvp_obj_len))
goto trunc;
hexdump=FALSE;
switch(rsvp_obj_header->class_num) {
case RSVP_OBJ_SESSION:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
printf("\n\t IPv4 DestAddress: %s, Protocol ID: 0x%02x",
ipaddr_string(obj_tptr),
*(obj_tptr+4));
printf("\n\t Flags: [0x%02x], DestPort %u",
*(obj_tptr+5),
EXTRACT_16BITS(obj_tptr+6));
obj_tlen-=8;
obj_tptr+=8;
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
printf("\n\t IPv6 DestAddress: %s, Protocol ID: 0x%02x",
ip6addr_string(obj_tptr),
*(obj_tptr+16));
printf("\n\t Flags: [0x%02x], DestPort %u",
*(obj_tptr+17),
EXTRACT_16BITS(obj_tptr+18));
obj_tlen-=20;
obj_tptr+=20;
break;
case RSVP_CTYPE_TUNNEL_IPV6:
printf("\n\t IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
ip6addr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18),
ip6addr_string(obj_tptr+20));
obj_tlen-=36;
obj_tptr+=36;
break;
#endif
case RSVP_CTYPE_TUNNEL_IPV4:
printf("\n\t IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6),
ipaddr_string(obj_tptr+8));
obj_tlen-=12;
obj_tptr+=12;
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_LABEL:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
while(obj_tlen >= 4 ) {
printf("\n\t Label: %u", EXTRACT_32BITS(obj_tptr));
obj_tlen-=4;
obj_tptr+=4;
}
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_STYLE:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
printf("\n\t Reservation Style: %s, Flags: [0x%02x]",
tok2str(rsvp_resstyle_values,
"Unknown",
EXTRACT_24BITS(obj_tptr+1)),
*(obj_tptr));
obj_tlen-=4;
obj_tptr+=4;
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_SENDER_TEMPLATE:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_TUNNEL_IPV4:
printf("\n\t IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
obj_tlen-=8;
obj_tptr+=8;
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_LABEL_REQ:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
while(obj_tlen >= 4 ) {
printf("\n\t L3 Protocol ID: %s",
tok2str(ethertype_values,
"Unknown Protocol 0x%04x",
EXTRACT_16BITS(obj_tptr+2)));
obj_tlen-=4;
obj_tptr+=4;
}
break;
case RSVP_CTYPE_2:
printf("\n\t L3 Protocol ID: %s",
tok2str(ethertype_values,
"Unknown Protocol 0x%04x",
EXTRACT_16BITS(obj_tptr+2)));
printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
printf("\n\t Minimum VPI/VCI %u/%u",
(EXTRACT_16BITS(obj_tptr+4))&0xfff,
(EXTRACT_16BITS(obj_tptr+6))&0xfff);
printf("\n\t Maximum VPI/VCI %u/%u",
(EXTRACT_16BITS(obj_tptr+8))&0xfff,
(EXTRACT_16BITS(obj_tptr+10))&0xfff);
obj_tlen-=12;
obj_tptr+=12;
break;
case RSVP_CTYPE_3:
printf("\n\t L3 Protocol ID: %s",
tok2str(ethertype_values,
"Unknown Protocol 0x%04x",
EXTRACT_16BITS(obj_tptr+2)));
printf("\n\t Minimum/Maximum DLCI %u/%u, %s%s bit DLCI",
(EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
(EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
(((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
(((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
obj_tlen-=12;
obj_tptr+=12;
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_RRO:
case RSVP_OBJ_ERO:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
while(obj_tlen >= 4 ) {
printf("\n\t Subobject Type: %s",
tok2str(rsvp_obj_xro_values,
"Unknown %u",
RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)));
switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
case RSVP_OBJ_XRO_IPV4:
printf(", %s, %s/%u",
RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
ipaddr_string(obj_tptr+2),
*(obj_tptr+6));
}
obj_tlen-=*(obj_tptr+1);
obj_tptr+=*(obj_tptr+1);
}
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_HELLO:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
case RSVP_CTYPE_2:
printf("\n\t Source Instance 0x%08x, Destination Instance 0x%08x",
EXTRACT_32BITS(obj_tptr),
EXTRACT_32BITS(obj_tptr+4));
obj_tlen-=8;
obj_tptr+=8;
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_RESTART_CAPABILITY:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
printf("\n\t Restart Time: %ums\n\t Recovery Time: %ums",
EXTRACT_16BITS(obj_tptr),
EXTRACT_16BITS(obj_tptr+4));
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_SESSION_ATTRIBUTE:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_TUNNEL_IPV4:
printf("\n\t Session Name: %s",(obj_tptr+3));
printf("\n\t Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
(int)*obj_tptr,
(int)*(obj_tptr+1),
tok2str(rsvp_session_attribute_flag_values,
"none",
*(obj_tptr+2)));
obj_tlen-=4+*(obj_tptr+3);
obj_tptr+=4+*(obj_tptr+3);
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_RSVP_HOP:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
ipaddr_string(obj_tptr),
EXTRACT_32BITS(obj_tptr+4));
obj_tlen-=8;
obj_tptr+=8;
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
ip6addr_string(obj_tptr),
EXTRACT_32BITS(obj_tptr+16));
obj_tlen-=20;
obj_tptr+=20;
break;
#endif
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_TIME_VALUES:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_1:
printf("\n\t Refresh Period: %ums",
EXTRACT_32BITS(obj_tptr));
obj_tlen-=4;
obj_tptr+=4;
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_FLOWSPEC:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_2:
printf("\n\t Msg-Version: %u, length: %u words (32-bit), Service Type: %s (%u)",
(*obj_tptr & 0xf0) >> 4,
EXTRACT_16BITS(obj_tptr+2),
tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr+4)),
*(obj_tptr+4));
switch (*(obj_tptr+4)) {
case RSVP_OBJ_INTSERV_CONTROLLED_LOAD:
/* controlled load service
* 31 24 23 16 15 8 7 0
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 1 | 0 (a) | reserved | 7 (b) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 2 | 5 (c) |0| reserved | 6 (d) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 3 | 127 (e) | 0 (f) | 5 (g) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 4 | Token Bucket Rate [r] (32-bit IEEE floating point number) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 5 | Token Bucket Size [b] (32-bit IEEE floating point number) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 6 | Peak Data Rate [p] (32-bit IEEE floating point number) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 7 | Minimum Policed Unit [m] (32-bit integer) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 8 | Maximum Packet Size [M] (32-bit integer) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
* (a) - Message format version number (0)
* (b) - Overall length (7 words not including header)
* (c) - Service header, service number 5 (Controlled-Load)
* (d) - Length of controlled-load data, 6 words not including
* per-service header
* (e) - Parameter ID, parameter 127 (Token Bucket TSpec)
* (f) - Parameter 127 flags (none set)
* (g) - Parameter 127 length, 5 words not including per-service
* header
*/
printf("\n\t Parameter ID: %s (%u), length: %u words (32-bit), Flags: [0x%02x]",
tok2str(rsvp_intserv_parameter_id_values,"unknown",*(obj_tptr+8)),
*(obj_tptr+8),
EXTRACT_16BITS(obj_tptr+10),
*(obj_tptr+9));
memcpy(&bw, (obj_tptr+12), 4);
printf("\n\t Token Bucket Rate: %.3f Mbps", bw*8/1000000);
memcpy(&bw, (obj_tptr+16), 4);
printf("\n\t Token Bucket Size: %.f bytes", bw);
memcpy(&bw, (obj_tptr+20), 4);
printf("\n\t Peak Data Rate: %.3f Mbps", bw*8/1000000);
printf("\n\t Minimum Policed Unit: %u bytes", EXTRACT_32BITS(obj_tptr+24));
printf("\n\t Maximum Packet Size: %u bytes", EXTRACT_32BITS(obj_tptr+28));
obj_tlen-=32;
obj_tptr+=32;
break;
case RSVP_OBJ_INTSERV_GUARANTEED_SERV:
/* guaranteed service
* 31 24 23 16 15 8 7 0
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 1 | 0 (a) | Unused | 10 (b) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 2 | 2 (c) |0| reserved | 9 (d) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 3 | 127 (e) | 0 (f) | 5 (g) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 4 | Token Bucket Rate [r] (32-bit IEEE floating point number) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 5 | Token Bucket Size [b] (32-bit IEEE floating point number) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 6 | Peak Data Rate [p] (32-bit IEEE floating point number) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 7 | Minimum Policed Unit [m] (32-bit integer) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 8 | Maximum Packet Size [M] (32-bit integer) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 9 | 130 (h) | 0 (i) | 2 (j) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 10 | Rate [R] (32-bit IEEE floating point number) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* 11 | Slack Term [S] (32-bit integer) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* (a) - Message format version number (0)
* (b) - Overall length (9 words not including header)
* (c) - Service header, service number 2 (Guaranteed)
* (d) - Length of per-service data, 9 words not including per-service
* header
* (e) - Parameter ID, parameter 127 (Token Bucket TSpec)
* (f) - Parameter 127 flags (none set)
* (g) - Parameter 127 length, 5 words not including parameter header
* (h) - Parameter ID, parameter 130 (Guaranteed Service RSpec)
* (i) - Parameter 130 flags (none set)
* (j) - Parameter 130 length, 2 words not including parameter header
*/
printf("\n\t Parameter ID: %s (%u), length: %u words (32-bit), Flags: [0x%02x]",
tok2str(rsvp_intserv_parameter_id_values,"unknown",*(obj_tptr+8)),
*(obj_tptr+8),
EXTRACT_16BITS(obj_tptr+10),
*(obj_tptr+9));
memcpy(&bw, (obj_tptr+12), 4);
printf("\n\t Token Bucket Rate: %.3f Mbps", bw*8/1000000);
memcpy(&bw, (obj_tptr+16), 4);
printf("\n\t Token Bucket Size: %.f bytes", bw);
memcpy(&bw, (obj_tptr+20), 4);
printf("\n\t Peak Data Rate: %.3f Mbps", bw*8/1000000);
printf("\n\t Minimum Policed Unit: %u bytes", EXTRACT_32BITS(obj_tptr+24));
printf("\n\t Maximum Packet Size: %u bytes", EXTRACT_32BITS(obj_tptr+28));
printf("\n\t Parameter ID: %s (%u), length: %u words (32-bit), Flags: [0x%02x]",
tok2str(rsvp_intserv_parameter_id_values,"unknown",*(obj_tptr+32)),
*(obj_tptr+32),
EXTRACT_16BITS(obj_tptr+34),
*(obj_tptr+33));
memcpy(&bw, (obj_tptr+36), 4);
printf("\n\t Rate: %.3f Mbps", bw*8/1000000);
printf("\n\t Slack Term: %u", EXTRACT_32BITS(obj_tptr+40));
obj_tlen-=44;
obj_tptr+=44;
break;
default:
hexdump=TRUE;
}
break;
default:
hexdump=TRUE;
}
break;
case RSVP_OBJ_FILTERSPEC:
switch(rsvp_obj_ctype) {
case RSVP_CTYPE_IPV4:
printf("\n\t Source Address: %s, Source Port: %u",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
obj_tlen-=8;
obj_tptr+=8;
break;
#ifdef INET6
case RSVP_CTYPE_IPV6:
printf("\n\t Source Address: %s, Source Port: %u",
ip6addr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18));
obj_tlen-=20;
obj_tptr+=20;
break;
case RSVP_CTYPE_3:
printf("\n\t Source Address: %s, Flow Label: %u",
ip6addr_string(obj_tptr),
EXTRACT_24BITS(obj_tptr+17));
obj_tlen-=20;
obj_tptr+=20;
break;
case RSVP_CTYPE_TUNNEL_IPV6:
printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+18));
obj_tlen-=20;
obj_tptr+=20;
break;
#endif
case RSVP_CTYPE_TUNNEL_IPV4:
printf("\n\t Source Address: %s, LSP-ID: 0x%04x",
ipaddr_string(obj_tptr),
EXTRACT_16BITS(obj_tptr+6));
obj_tlen-=8;
obj_tptr+=8;
break;
default:
hexdump=TRUE;
}
break;
/*
* FIXME those are the defined objects that lack a decoder
* you are welcome to contribute code ;-)
*/
case RSVP_OBJ_INTEGRITY:
case RSVP_OBJ_ERROR_SPEC:
case RSVP_OBJ_SCOPE:
case RSVP_OBJ_SENDER_TSPEC:
case RSVP_OBJ_ADSPEC:
case RSVP_OBJ_POLICY_DATA:
case RSVP_OBJ_CONFIRM:
case RSVP_OBJ_MESSAGE_ID:
case RSVP_OBJ_MESSAGE_ID_ACK:
case RSVP_OBJ_MESSAGE_ID_LIST:
case RSVP_OBJ_RECOVERY_LABEL:
case RSVP_OBJ_UPSTREAM_LABEL:
case RSVP_OBJ_DETOUR:
case RSVP_OBJ_SUGGESTED_LABEL:
case RSVP_OBJ_PROPERTIES:
case RSVP_OBJ_FASTREROUTE:
default:
if (vflag <= 1)
print_unknown_data(obj_tptr,"\n\t ",obj_tlen);
break;
}
/* do we want to see an additionally hexdump ? */
if (vflag > 1 || hexdump==TRUE)
print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ",
rsvp_obj_len-sizeof(struct rsvp_object_header));
tptr+=rsvp_obj_len;
tlen-=rsvp_obj_len;
}
return;
trunc:
printf("\n\t\t packet exceeded snapshot");
}
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