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/* $OpenBSD: traceroute.h,v 1.5 2017/05/28 10:06:13 benno Exp $ */
/* $NetBSD: traceroute.c,v 1.10 1995/05/21 15:50:45 mycroft Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 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) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Van Jacobson.
*
* 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 University 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 REGENTS 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 REGENTS 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.
*/
#include <netinet/ip_var.h>
#include <netmpls/mpls.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#define DUMMY_PORT 10010
#define MAX_LSRR ((MAX_IPOPTLEN - 4) / 4)
#define MPLS_LABEL(m) ((m & MPLS_LABEL_MASK) >> MPLS_LABEL_OFFSET)
#define MPLS_EXP(m) ((m & MPLS_EXP_MASK) >> MPLS_EXP_OFFSET)
/*
* Format of the data in a (udp) probe packet.
*/
struct packetdata {
u_char seq; /* sequence number of this packet */
u_int8_t ttl; /* ttl packet left with */
u_char pad[2];
u_int32_t sec; /* time packet left */
u_int32_t usec;
} __packed;
struct tr_conf {
int incflag; /* Do not inc the dest. port num */
int first_ttl; /* Set the first TTL or hop limit */
u_char proto; /* IP payload protocol to use */
u_int8_t max_ttl; /* Set the maximum TTL / hop limit */
int nprobes;
u_int16_t port; /* start udp dest port */
int waittime; /* time to wait for a response */
int Aflag; /* lookup ASN */
int dflag; /* set SO_DEBUG */
int dump;
int lsrr; /* Loose Source Record Route */
struct in_addr gateway[MAX_LSRR + 1];
int lsrrlen;
int protoset;
int ttl_flag; /* display ttl on returned packet */
int nflag; /* print addresses numerically */
char *source;
int sump;
int tos;
int tflag; /* tos value was set */
int verbose;
u_int rtableid; /* Set the routing table */
u_short ident;
};
extern int32_t sec_perturb;
extern int32_t usec_perturb;
extern u_char packet[512];
extern u_char *outpacket; /* last inbound (icmp) packet */
int wait_for_reply(int, struct msghdr *, int);
void dump_packet(void);
void build_probe4(struct tr_conf *, int, u_int8_t, int);
void build_probe6(struct tr_conf *, int, u_int8_t, int,
struct sockaddr *);
void send_probe(struct tr_conf *, int, u_int8_t, int,
struct sockaddr *);
struct udphdr *get_udphdr(struct tr_conf *, struct ip6_hdr *, u_char *);
int packet_ok(struct tr_conf *, int, struct msghdr *, int, int,
int);
int packet_ok4(struct tr_conf *, struct msghdr *, int, int, int);
int packet_ok6(struct tr_conf *, struct msghdr *, int, int, int);
void icmp_code(int, int, int *, int *);
void icmp4_code(int, int *, int *);
void icmp6_code(int, int *, int *);
void dump_packet(void);
void print_exthdr(u_char *, int);
void check_tos(struct ip*, int *);
void print(struct tr_conf *, struct sockaddr *, int, const char *);
const char *inetname(struct sockaddr*);
void print_asn(struct sockaddr_storage *);
u_short in_cksum(u_short *, int);
char *pr_type(u_int8_t);
int map_tos(char *, int *);
double deltaT(struct timeval *, struct timeval *);
void gettime(struct timeval *);
extern int rcvsock; /* receive (icmp) socket file descriptor */
extern int sndsock; /* send (udp) socket file descriptor */
extern int rcvhlim;
extern struct in6_pktinfo *rcvpktinfo;
extern int datalen; /* How much data */
extern char *hostname;
extern u_int16_t srcport;
#define ICMP_CODE 0;
extern int verbose;
extern int dump;
extern char *__progname;
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