211 lines
8.0 KiB
C
211 lines
8.0 KiB
C
/* $NetBSD: trace.h,v 1.2 2000/12/04 07:09:37 itojun Exp $ */
|
|
/* $KAME: trace.h,v 1.4 2000/12/04 06:45:32 itojun Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 1999 WIDE Project.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
/*
|
|
* Copyright (c) 1998 by the University of Southern California.
|
|
* All rights reserved.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software and
|
|
* its documentation in source and binary forms for lawful
|
|
* purposes and without fee is hereby granted, provided
|
|
* that the above copyright notice appear in all copies and that both
|
|
* the copyright notice and this permission notice appear in supporting
|
|
* documentation, and that any documentation, advertising materials,
|
|
* and other materials related to such distribution and use acknowledge
|
|
* that the software was developed by the University of Southern
|
|
* California and/or Information Sciences Institute.
|
|
* The name of the University of Southern California may not
|
|
* be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THE UNIVERSITY OF SOUTHERN CALIFORNIA DOES NOT MAKE ANY REPRESENTATIONS
|
|
* ABOUT THE SUITABILITY OF THIS SOFTWARE FOR ANY PURPOSE. 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, TITLE, AND
|
|
* NON-INFRINGEMENT.
|
|
*
|
|
* IN NO EVENT SHALL USC, OR ANY OTHER CONTRIBUTOR BE LIABLE FOR ANY
|
|
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, WHETHER IN CONTRACT,
|
|
* TORT, OR OTHER FORM OF ACTION, ARISING OUT OF OR IN CONNECTION WITH,
|
|
* THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
* Other copyrights might apply to parts of this software and are so
|
|
* noted when applicable.
|
|
*/
|
|
/*
|
|
* Questions concerning this software should be directed to
|
|
* Pavlin Ivanov Radoslavov (pavlin@catarina.usc.edu)
|
|
*/
|
|
/*
|
|
* Part of this program has been derived from mrouted.
|
|
* The mrouted program is covered by the license in the accompanying file
|
|
* named "LICENSE.mrouted".
|
|
*
|
|
* The mrouted program is COPYRIGHT 1989 by The Board of Trustees of
|
|
* Leland Stanford Junior University.
|
|
*
|
|
*/
|
|
|
|
#ifndef TRACE_H
|
|
#define TRACE_H
|
|
|
|
/*
|
|
* The packet format for a traceroute request.
|
|
*/
|
|
struct tr6_query {
|
|
struct in6_addr tr_src; /* traceroute source */
|
|
struct in6_addr tr_dst; /* traceroute destination */
|
|
struct in6_addr tr_raddr; /* traceroute response address */
|
|
#if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
|
|
struct {
|
|
u_int32_t qid : 24; /* traceroute query id */
|
|
u_int32_t rhlim : 8; /* traceroute response ttl */
|
|
} q;
|
|
#else
|
|
struct {
|
|
u_int32_t rhlim : 8; /* traceroute response ttl */
|
|
u_int32_t qid : 24; /* traceroute query id */
|
|
} q;
|
|
#endif /* BYTE_ORDER */
|
|
};
|
|
|
|
#define tr_rhlim q.rhlim
|
|
#define tr_qid q.qid
|
|
|
|
/*
|
|
* Traceroute response format. A traceroute response has a tr_query at the
|
|
* beginning, followed by one tr_resp for each hop taken.
|
|
*/
|
|
struct tr6_resp {
|
|
u_int32_t tr_qarr; /* query arrival time */
|
|
#if 0
|
|
struct in6_addr tr_inaddr; /* incoming interface address */
|
|
struct in6_addr tr_outaddr; /* outgoing interface address */
|
|
#endif
|
|
u_int32_t tr_inifid; /* incoming interface identifier */
|
|
u_int32_t tr_outifid; /* outgoing interface identifier */
|
|
struct in6_addr tr_lcladdr; /* router's address(must have largest scope) */
|
|
struct in6_addr tr_rmtaddr; /* parent address in source tree */
|
|
u_int32_t tr_vifin; /* input packet count on interface */
|
|
u_int32_t tr_vifout; /* output packet count on interface */
|
|
u_int32_t tr_pktcnt; /* total incoming packets for src-grp */
|
|
u_char tr_rproto; /* routing protocol deployed on router */
|
|
#if 0
|
|
u_char tr_fhlim; /* hop limit required to forward on outvif */
|
|
#endif
|
|
u_char tr_flags; /* flags */
|
|
u_char tr_plen; /* prefix length for src addr */
|
|
u_char tr_rflags; /* forwarding error codes */
|
|
};
|
|
|
|
/* defs within mtrace */
|
|
#define QUERY 1
|
|
#define RESP 2
|
|
#define QLEN sizeof(struct tr6_query)
|
|
#define RLEN sizeof(struct tr6_resp)
|
|
|
|
/* fields for tr_inifid and tr_outifid */
|
|
#define TR_NO_VIF 0xffffffff/* interface can't be determined */
|
|
|
|
/* fields for tr_rflags (forwarding error codes) */
|
|
#define TR_NO_ERR 0 /* No error */
|
|
#define TR_WRONG_IF 1 /* traceroute arrived on non-oif */
|
|
#define TR_PRUNED 2 /* router has sent a prune upstream */
|
|
#define TR_OPRUNED 3 /* stop forw. after request from next hop rtr*/
|
|
#define TR_SCOPED 4 /* group adm. scoped at this hop */
|
|
#define TR_NO_RTE 5 /* no route for the source */
|
|
#define TR_NO_LHR 6 /* not the last-hop router */
|
|
#define TR_NO_FWD 7 /* not forwarding for this (S,G). Reason = ? */
|
|
#define TR_RP 8 /* I am the RP/Core */
|
|
#define TR_IIF 9 /* request arrived on the iif */
|
|
#define TR_NO_MULTI 0x0a /* multicast disabled on that interface */
|
|
#define TR_NO_SPACE 0x81 /* no space to insert responce data block */
|
|
#define TR_OLD_ROUTER 0x82 /* previous hop does not support traceroute */
|
|
#define TR_ADMIN_PROHIB 0x83 /* traceroute adm. prohibited */
|
|
|
|
/* fields for tr_flags */
|
|
#define TR_SUBNET_COUNT 0x80 /* pkt count for (S,G) is for source network */
|
|
|
|
/* fields for r_plen */
|
|
#define TR_GROUP_ONLY 0xff /* forwarding solely on group state */
|
|
|
|
/* fields for packets count */
|
|
#define TR_CANT_COUNT 0xffffffff /* no count can be reported */
|
|
|
|
/* fields for tr_rproto (routing protocol) */
|
|
#define PROTO_DVMRP 1
|
|
#define PROTO_MOSPF 2
|
|
#define PROTO_PIM 3
|
|
#define PROTO_CBT 4
|
|
#define PROTO_PIM_SPECIAL 5
|
|
#define PROTO_PIM_STATIC 6
|
|
#define PROTO_DVMRP_STATIC 7
|
|
|
|
#define MASK_TO_VAL(x, i) { \
|
|
u_int32_t _x = ntohl(x); \
|
|
(i) = 1; \
|
|
while ((_x) <<= 1) \
|
|
(i)++; \
|
|
};
|
|
|
|
#define VAL_TO_MASK(x, i) { \
|
|
x = htonl(~((1 << (32 - (i))) - 1)); \
|
|
};
|
|
|
|
#define MASKLEN_TO_MASK6(masklen, mask6) \
|
|
do {\
|
|
u_char maskarray[8] = \
|
|
{0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff}; \
|
|
int bytelen, bitlen, i; \
|
|
memset(&(mask6), 0, sizeof(mask6));\
|
|
bytelen = (masklen) / 8;\
|
|
bitlen = (masklen) % 8;\
|
|
for (i = 0; i < bytelen; i++) \
|
|
(mask6).s6_addr[i] = 0xff;\
|
|
if (bitlen) \
|
|
(mask6).s6_addr[bytelen] = maskarray[bitlen - 1]; \
|
|
}while(0);
|
|
|
|
/* obnoxious gcc gives an extraneous warning about this constant... */
|
|
#if defined(__STDC__) || defined(__GNUC__)
|
|
#define JAN_1970 2208988800UL /* 1970 - 1900 in seconds */
|
|
#else
|
|
#define JAN_1970 2208988800L /* 1970 - 1900 in seconds */
|
|
#define const /**/
|
|
#endif
|
|
|
|
#define NBR_VERS(n) (((n)->al_pv << 8) + (n)->al_mv)
|
|
|
|
void accept_mtrace __P((struct sockaddr_in6 *, struct in6_addr *,
|
|
struct in6_addr *, int, char *, u_int, int));
|
|
#endif /* TRACE_H */
|