/* $OpenBSD: traceroute.h,v 1.8 2024/05/21 05:00:48 jsg 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 <sys/types.h> #include <netinet/ip_var.h> #include <netmpls/mpls.h> #define ICMP_CODE 0; #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 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 xflag; /* show ICMP extension header */ int verbose; u_int rtableid; /* Set the routing table */ u_short ident; int expected_responses; }; struct tr_result { int seq; int row; int dup; int timeout; uint8_t ttl; uint8_t resp_ttl; char hbuf[NI_MAXHOST]; char inetname[NI_MAXHOST]; char *asn; char *exthdr; char to[NI_MAXHOST]; int cc; struct timeval t1; struct timeval t2; char icmp_code[sizeof("!<255>")]; char tos[sizeof(" (TOS=255!)")]; int got_there; int unreachable; int inetname_done; int asn_done; }; extern int *waiting_ttls; extern int32_t sec_perturb; extern int32_t usec_perturb; extern u_char packet[512]; extern u_char *outpacket; /* last inbound (icmp) packet */ void send_probe(struct tr_conf *, int, u_int8_t, struct sockaddr *); int packet_ok(struct tr_conf *, int, struct msghdr *, int, int *); void icmp_code(int, int, int *, int *, struct tr_result *); void check_tos(struct ip*, int *, struct tr_result *); int map_tos(char *, int *); void print(struct tr_conf *, struct sockaddr *, int, const char *, struct tr_result *); void print_exthdr(u_char *, int, struct tr_result *); void gettime(struct timeval *); void catchup_result_rows(struct tr_result *, struct tr_conf *); 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; extern char *__progname;
