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-rw-r--r--sbin/ping6/ping6.c1549
1 files changed, 1549 insertions, 0 deletions
diff --git a/sbin/ping6/ping6.c b/sbin/ping6/ping6.c
new file mode 100644
index 0000000..d118655
--- /dev/null
+++ b/sbin/ping6/ping6.c
@@ -0,0 +1,1549 @@
+/*
+ * 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.
+ */
+
+/* BSDI ping.c,v 2.3 1996/01/21 17:56:50 jch Exp */
+
+/*
+ * Copyright (c) 1989, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Mike Muuss.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef lint
+static const char copyright[] =
+"@(#) Copyright (c) 1989, 1993\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)ping.c 8.1 (Berkeley) 6/5/93";
+#endif
+#endif /* not lint */
+
+/*
+ * Using the InterNet Control Message Protocol (ICMP) "ECHO" facility,
+ * measure round-trip-delays and packet loss across network paths.
+ *
+ * Author -
+ * Mike Muuss
+ * U. S. Army Ballistic Research Laboratory
+ * December, 1983
+ *
+ * Status -
+ * Public Domain. Distribution Unlimited.
+ * Bugs -
+ * More statistics could always be gathered.
+ * This program has to run SUID to ROOT to access the ICMP socket.
+ */
+/*
+ * NOTE:
+ * USE_SIN6_SCOPE_ID assumes that sin6_scope_id has the same semantics
+ * as IPV6_PKTINFO. Some objects it (sin6_scope_id specifies *link* while
+ * IPV6_PKTINFO specifies *interface*. Link is defined as collection of
+ * network attached to 1 or more interfaces)
+ */
+
+#include <sys/param.h>
+#include <sys/uio.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+
+#include <net/if.h>
+#include <net/route.h>
+
+#include <netinet/in_systm.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/ip_var.h>
+#include <netinet/ip6.h>
+#include <netinet/icmp6.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifdef IPSEC
+#include <netinet6/ah.h>
+#include <netinet6/ipsec.h>
+#endif
+
+#define MAXPACKETLEN 131072
+#define IP6LEN 40
+#define ICMP6ECHOLEN 8 /* icmp echo header len excluding time */
+#define ICMP6ECHOTMLEN sizeof(struct timeval)
+#define ICMP6_NIQLEN (ICMP6ECHOLEN + 8)
+#define ICMP6_NIRLEN (ICMP6ECHOLEN + 12) /* 64 bits of nonce + 32 bits ttl */
+#define EXTRA 256 /* for AH and various other headers. weird. */
+#define DEFDATALEN ICMP6ECHOTMLEN
+#define MAXDATALEN MAXPACKETLEN - IP6LEN - ICMP6ECHOLEN
+#define NROUTES 9 /* number of record route slots */
+
+#define A(bit) rcvd_tbl[(bit)>>3] /* identify byte in array */
+#define B(bit) (1 << ((bit) & 0x07)) /* identify bit in byte */
+#define SET(bit) (A(bit) |= B(bit))
+#define CLR(bit) (A(bit) &= (~B(bit)))
+#define TST(bit) (A(bit) & B(bit))
+
+#define F_FLOOD 0x0001
+#define F_INTERVAL 0x0002
+#define F_NUMERIC 0x0004
+#define F_PINGFILLED 0x0008
+#define F_QUIET 0x0010
+#define F_RROUTE 0x0020
+#define F_SO_DEBUG 0x0040
+#define F_VERBOSE 0x0100
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+#define F_POLICY 0x4000
+#else
+#define F_AUTHHDR 0x0200
+#define F_ENCRYPT 0x0400
+#endif /*IPSEC_POLICY_IPSEC*/
+#endif /*IPSEC*/
+#define F_NODEADDR 0x0800
+#define F_FQDN 0x1000
+#define F_INTERFACE 0x2000
+u_int options;
+
+#define IN6LEN sizeof(struct in6_addr)
+#define SA6LEN sizeof(struct sockaddr_in6)
+#define DUMMY_PORT 10101
+
+#define SIN6(s) ((struct sockaddr_in6 *)(s))
+
+/*
+ * MAX_DUP_CHK is the number of bits in received table, i.e. the maximum
+ * number of received sequence numbers we can keep track of. Change 128
+ * to 8192 for complete accuracy...
+ */
+#define MAX_DUP_CHK (8 * 8192)
+int mx_dup_ck = MAX_DUP_CHK;
+char rcvd_tbl[MAX_DUP_CHK / 8];
+
+struct addrinfo *res;
+struct sockaddr_in6 dst; /* who to ping6 */
+struct sockaddr_in6 src; /* src addr of this packet */
+int datalen = DEFDATALEN;
+int s; /* socket file descriptor */
+u_char outpack[MAXPACKETLEN];
+char BSPACE = '\b'; /* characters written for flood */
+char DOT = '.';
+char *hostname;
+int ident; /* process id to identify our packets */
+
+/* counters */
+long npackets; /* max packets to transmit */
+long nreceived; /* # of packets we got back */
+long nrepeats; /* number of duplicates */
+long ntransmitted; /* sequence # for outbound packets = #sent */
+int interval = 1; /* interval between packets */
+int hoplimit = -1; /* hoplimit */
+
+/* timing */
+int timing; /* flag to do timing */
+double tmin = 999999999.0; /* minimum round trip time */
+double tmax = 0.0; /* maximum round trip time */
+double tsum = 0.0; /* sum of all times, for doing average */
+
+/* for inet_ntop() */
+char ntop_buf[INET6_ADDRSTRLEN];
+
+/* for node addresses */
+u_short naflags;
+
+/* for ancillary data(advanced API) */
+struct msghdr smsghdr;
+struct iovec smsgiov;
+char *scmsg = 0;
+
+int main __P((int, char *[]));
+void fill __P((char *, char *));
+int get_hoplim __P((struct msghdr *));
+void onalrm __P((int));
+void oninfo __P((int));
+void onint __P((int));
+void pinger __P((void));
+char *pr_addr __P((struct sockaddr_in6 *));
+void pr_icmph __P((struct icmp6_hdr *, u_char *));
+void pr_iph __P((struct ip6_hdr *));
+void pr_nodeaddr __P((struct icmp6_nodeinfo *, int));
+void pr_pack __P((u_char *, int, struct msghdr *));
+void pr_retip __P((struct ip6_hdr *, u_char *));
+void summary __P((void));
+void tvsub __P((struct timeval *, struct timeval *));
+int setpolicy __P((int, char *));
+void usage __P((void));
+
+int
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ extern int errno, optind;
+ extern char *optarg;
+ struct itimerval itimer;
+ struct sockaddr_in6 from;
+ struct timeval timeout;
+ struct addrinfo hints;
+ fd_set fdset;
+ register int cc, i;
+ int ch, fromlen, hold, packlen, preload, optval, ret_ga;
+ u_char *datap, *packet;
+ char *e, *target, *ifname = NULL;
+ int ip6optlen = 0;
+ struct cmsghdr *scmsgp = NULL;
+ int sockbufsize = 0;
+#ifdef IPSEC_POLICY_IPSEC
+ char *policy_in = NULL;
+ char *policy_out = NULL;
+#endif
+
+ /* just to be sure */
+ memset(&smsghdr, 0, sizeof(&smsghdr));
+ memset(&smsgiov, 0, sizeof(&smsgiov));
+
+ preload = 0;
+ datap = &outpack[ICMP6ECHOLEN + ICMP6ECHOTMLEN];
+#ifndef IPSEC
+ while ((ch = getopt(argc, argv, "a:b:c:dfh:I:i:l:np:qRrs:vwW")) != EOF)
+#else
+#ifdef IPSEC_POLICY_IPSEC
+ while ((ch = getopt(argc, argv, "a:b:c:dfh:I:i:l:np:qRrs:vwWP:")) != EOF)
+#else
+ while ((ch = getopt(argc, argv, "a:b:c:dfh:I:i:l:np:qRrs:vwWAE")) != EOF)
+#endif /*IPSEC_POLICY_IPSEC*/
+#endif
+ switch(ch) {
+ case 'a':
+ {
+ char *cp;
+
+ options |= F_NODEADDR;
+ datalen = 2048; /* XXX: enough? */
+ for (cp = optarg; *cp != '\0'; cp++) {
+ switch(*cp) {
+ case 'a':
+ naflags |= NI_NODEADDR_FLAG_ALL;
+ break;
+ case 'l':
+ case 'L':
+ naflags |= NI_NODEADDR_FLAG_LINKLOCAL;
+ break;
+ case 's':
+ case 'S':
+ naflags |= NI_NODEADDR_FLAG_SITELOCAL;
+ break;
+ case 'g':
+ case 'G':
+ naflags |= NI_NODEADDR_FLAG_GLOBAL;
+ break;
+ case 'A': /* experimental. not in the spec */
+ naflags |= NI_NODEADDR_FLAG_ANYCAST;
+ break;
+ default:
+ usage();
+ }
+ }
+ break;
+ }
+ case 'b':
+#if defined(SO_SNDBUF) && defined(SO_RCVBUF)
+ sockbufsize = atoi(optarg);
+#else
+ err(1,
+"-b option ignored: SO_SNDBUF/SO_RCVBUF socket options not supported");
+#endif
+ break;
+ case 'c':
+ npackets = strtol(optarg, &e, 10);
+ if (npackets <= 0 || *optarg == '\0' || *e != '\0')
+ errx(1,
+ "illegal number of packets -- %s", optarg);
+ break;
+ case 'd':
+ options |= F_SO_DEBUG;
+ break;
+ case 'f':
+ if (getuid()) {
+ errno = EPERM;
+ errx(1, "Must be superuser to flood ping");
+ }
+ options |= F_FLOOD;
+ setbuf(stdout, (char *)NULL);
+ break;
+ case 'h': /* hoplimit */
+ hoplimit = strtol(optarg, &e, 10);
+ if (255 < hoplimit || hoplimit < -1)
+ errx(1,
+ "illegal hoplimit -- %s", optarg);
+ break;
+ case 'I':
+ ifname = optarg;
+ options |= F_INTERFACE;
+ break;
+ case 'i': /* wait between sending packets */
+ interval = strtol(optarg, &e, 10);
+ if (interval <= 0 || *optarg == '\0' || *e != '\0')
+ errx(1,
+ "illegal timing interval -- %s", optarg);
+ options |= F_INTERVAL;
+ break;
+ case 'l':
+ preload = strtol(optarg, &e, 10);
+ if (preload < 0 || *optarg == '\0' || *e != '\0')
+ errx(1, "illegal preload value -- %s", optarg);
+ break;
+ case 'n':
+ options |= F_NUMERIC;
+ break;
+ case 'p': /* fill buffer with user pattern */
+ options |= F_PINGFILLED;
+ fill((char *)datap, optarg);
+ break;
+ case 'q':
+ options |= F_QUIET;
+ break;
+ case 'R':
+ options |= F_RROUTE;
+ break;
+ case 's': /* size of packet to send */
+ datalen = strtol(optarg, &e, 10);
+ if (datalen <= 0 || *optarg == '\0' || *e != '\0')
+ errx(1, "illegal datalen value -- %s", optarg);
+ if (datalen > MAXDATALEN)
+ errx(1,
+ "datalen value too large, maximum is %d",
+ MAXDATALEN);
+ break;
+ case 'v':
+ options |= F_VERBOSE;
+ break;
+ case 'w':
+ case 'W':
+ options |= F_FQDN;
+ break;
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ case 'P':
+ options |= F_POLICY;
+ if (!strncmp("in", optarg, 2))
+ policy_in = strdup(optarg);
+ else if (!strncmp("out", optarg, 3))
+ policy_out = strdup(optarg);
+ else
+ errx(1, "invalid security policy");
+ break;
+#else
+ case 'A':
+ options |= F_AUTHHDR;
+ break;
+ case 'E':
+ options |= F_ENCRYPT;
+ break;
+#endif /*IPSEC_POLICY_IPSEC*/
+#endif /*IPSEC*/
+ default:
+ usage();
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1)
+ usage();
+
+ if (argc > 1)
+ ip6optlen += inet6_rthdr_space(IPV6_RTHDR_TYPE_0, argc - 1);
+
+ target = argv[argc - 1];
+
+ /* getaddrinfo */
+ bzero(&hints, sizeof(struct addrinfo));
+ if ((options & F_NUMERIC) == 0)
+ hints.ai_flags = AI_CANONNAME;
+ hints.ai_family = AF_INET6;
+ hints.ai_socktype = SOCK_RAW;
+ hints.ai_protocol = IPPROTO_ICMPV6;
+
+ ret_ga = getaddrinfo(target, NULL, &hints, &res);
+ if (ret_ga) {
+ fprintf(stderr, "ping6: %s\n", gai_strerror(ret_ga));
+ exit(1);
+ }
+ if (res->ai_canonname)
+ hostname = res->ai_canonname;
+ else
+ hostname = target;
+
+ if (!res->ai_addr)
+ errx(1, "getaddrinfo failed");
+
+ (void)memcpy(&dst, res->ai_addr, res->ai_addrlen);
+
+ if (options & F_FLOOD && options & F_INTERVAL)
+ errx(1, "-f and -i incompatible options");
+
+ if (datalen >= sizeof(struct timeval)) /* can we time transfer */
+ timing = 1;
+ packlen = datalen + IP6LEN + ICMP6ECHOLEN + EXTRA;
+ if (!(packet = (u_char *)malloc((u_int)packlen)))
+ err(1, "Unable to allocate packet");
+ if (!(options & F_PINGFILLED))
+ for (i = 8; i < datalen; ++i)
+ *datap++ = i;
+
+ ident = getpid() & 0xFFFF;
+
+ if ((s = socket(res->ai_family, res->ai_socktype, res->ai_protocol)) < 0)
+ err(1, "socket");
+
+ hold = 1;
+
+ if (options & F_SO_DEBUG)
+ (void)setsockopt(s, SOL_SOCKET, SO_DEBUG, (char *)&hold,
+ sizeof(hold));
+ optval = IPV6_DEFHLIM;
+ if (IN6_IS_ADDR_MULTICAST(&dst.sin6_addr))
+ if (setsockopt(s, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
+ &optval, sizeof(optval)) == -1)
+ err(1, "IPV6_MULTICAST_HOPS");
+
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ if (options & F_POLICY) {
+ if (setpolicy(s, policy_in) < 0)
+ errx(1, ipsec_strerror());
+ if (setpolicy(s, policy_out) < 0)
+ errx(1, ipsec_strerror());
+ }
+#else
+ if (options & F_AUTHHDR) {
+ optval = IPSEC_LEVEL_REQUIRE;
+#ifdef IPV6_AUTH_TRANS_LEVEL
+ if (setsockopt(s, IPPROTO_IPV6, IPV6_AUTH_TRANS_LEVEL,
+ &optval, sizeof(optval)) == -1)
+ err(1, "setsockopt(IPV6_AUTH_TRANS_LEVEL)");
+#else /* old def */
+ if (setsockopt(s, IPPROTO_IPV6, IPV6_AUTH_LEVEL,
+ &optval, sizeof(optval)) == -1)
+ err(1, "setsockopt(IPV6_AUTH_LEVEL)");
+#endif
+ }
+ if (options & F_ENCRYPT) {
+ optval = IPSEC_LEVEL_REQUIRE;
+ if (setsockopt(s, IPPROTO_IPV6, IPV6_ESP_TRANS_LEVEL,
+ &optval, sizeof(optval)) == -1)
+ err(1, "setsockopt(IPV6_ESP_TRANS_LEVEL)");
+ }
+#endif /*IPSEC_POLICY_IPSEC*/
+#endif
+
+#ifdef ICMP6_FILTER
+ {
+ struct icmp6_filter filt;
+ if (!(options & F_VERBOSE)) {
+ ICMP6_FILTER_SETBLOCKALL(&filt);
+ if ((options & F_FQDN) || (options & F_NODEADDR))
+ ICMP6_FILTER_SETPASS(ICMP6_NI_REPLY, &filt);
+ else
+ ICMP6_FILTER_SETPASS(ICMP6_ECHO_REPLY, &filt);
+ } else {
+ ICMP6_FILTER_SETPASSALL(&filt);
+ }
+ if (setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &filt,
+ sizeof(filt)) < 0)
+ err(1, "setsockopt(ICMP6_FILTER)");
+ }
+#endif /*ICMP6_FILTER*/
+
+/*
+ optval = 1;
+ if (IN6_IS_ADDR_MULTICAST(&dst.sin6_addr))
+ if (setsockopt(s, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,
+ &optval, sizeof(optval)) == -1)
+ err(1, "IPV6_MULTICAST_LOOP");
+*/
+ /* record route option */
+ if (options & F_RROUTE)
+ errx(1, "record route not available in this implementation");
+
+ /* Outgoing interface */
+#ifndef USE_SIN6_SCOPE_ID
+ if (options & F_INTERFACE)
+ ip6optlen += CMSG_SPACE(sizeof(struct in6_pktinfo));
+#endif
+
+ if (hoplimit != -1)
+ ip6optlen += CMSG_SPACE(sizeof(int));
+
+ /* set IP6 packet options */
+ if (ip6optlen) {
+ if ((scmsg = (char *)malloc(ip6optlen)) == 0)
+ errx(1, "can't allocate enough memory");
+ smsghdr.msg_control = (caddr_t)scmsg;
+ smsghdr.msg_controllen = ip6optlen;
+ scmsgp = (struct cmsghdr *)scmsg;
+ }
+ if (options & F_INTERFACE) {
+#ifndef USE_SIN6_SCOPE_ID
+ struct in6_pktinfo *pktinfo =
+ (struct in6_pktinfo *)(CMSG_DATA(scmsgp));
+
+ if ((pktinfo->ipi6_ifindex = if_nametoindex(ifname)) == 0)
+ errx(1, "%s: invalid interface name", ifname);
+ bzero(&pktinfo->ipi6_addr, sizeof(struct in6_addr));
+ scmsgp->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo));
+ scmsgp->cmsg_level = IPPROTO_IPV6;
+ scmsgp->cmsg_type = IPV6_PKTINFO;
+
+ scmsgp = CMSG_NXTHDR(&smsghdr, scmsgp);
+#else
+ if ((dst.sin6_scope_id = if_nametoindex(ifname)) == 0)
+ errx(1, "%s: invalid interface name", ifname);
+#endif
+ }
+ if (hoplimit != -1) {
+ scmsgp->cmsg_len = CMSG_LEN(sizeof(int));
+ scmsgp->cmsg_level = IPPROTO_IPV6;
+ scmsgp->cmsg_type = IPV6_HOPLIMIT;
+ *(int *)(CMSG_DATA(scmsgp)) = hoplimit;
+
+ scmsgp = CMSG_NXTHDR(&smsghdr, scmsgp);
+ }
+ if (argc > 1) { /* some intermediate addrs are specified */
+ int hops, error;
+
+ if ((scmsgp = (struct cmsghdr *)inet6_rthdr_init(scmsgp,
+ IPV6_RTHDR_TYPE_0)) == 0)
+ errx(1, "can't initialize rthdr");
+
+ for (hops = 0; hops < argc - 1; hops++) {
+ struct addrinfo *iaip;
+
+ if ((error = getaddrinfo(argv[hops], NULL, &hints, &iaip)))
+ errx(1, gai_strerror(error));
+ if (SIN6(res->ai_addr)->sin6_family != AF_INET6)
+ errx(1,
+ "bad addr family of an intermediate addr");
+
+ if (inet6_rthdr_add(scmsgp,
+ &(SIN6(iaip->ai_addr))->sin6_addr,
+ IPV6_RTHDR_LOOSE))
+ errx(1, "can't add an intermediate node");
+ }
+
+ if (inet6_rthdr_lasthop(scmsgp, IPV6_RTHDR_LOOSE))
+ errx(1, "can't set the last flag");
+
+ scmsgp = CMSG_NXTHDR(&smsghdr, scmsgp);
+ }
+
+ {
+ /*
+ * source selection
+ */
+ int dummy, len = sizeof(src);
+
+ if ((dummy = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
+ err(1, "UDP socket");
+
+ src.sin6_family = AF_INET6;
+ src.sin6_addr = dst.sin6_addr;
+ src.sin6_port = ntohs(DUMMY_PORT);
+ src.sin6_scope_id = dst.sin6_scope_id;
+
+#ifndef USE_SIN6_SCOPE_ID
+ if (setsockopt(dummy, IPPROTO_IPV6, IPV6_PKTOPTIONS,
+ (void *)smsghdr.msg_control,
+ smsghdr.msg_controllen)) {
+ err(1, "UDP setsockopt");
+ }
+#else
+ src.sin6_scope_id = dst.sin6_scope_id;
+#endif
+
+ if (connect(dummy, (struct sockaddr *)&src, len) < 0)
+ err(1, "UDP connect");
+
+ if (getsockname(dummy, (struct sockaddr *)&src, &len) < 0)
+ err(1, "getsockname");
+
+ close(dummy);
+ }
+
+#if defined(SO_SNDBUF) && defined(SO_RCVBUF)
+ if (sockbufsize) {
+ if (datalen > sockbufsize)
+ warnx("you need -b to increae socket buffer size");
+ if (setsockopt(s, SOL_SOCKET, SO_SNDBUF, &sockbufsize,
+ sizeof(sockbufsize)) < 0)
+ err(1, "setsockopt(SO_SNDBUF)");
+ if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, &sockbufsize,
+ sizeof(sockbufsize)) < 0)
+ err(1, "setsockopt(SO_RCVBUF)");
+ }
+ else {
+ if (datalen > 8 * 1024) /*XXX*/
+ warnx("you need -b to increase socket buffer size");
+ /*
+ * When pinging the broadcast address, you can get a lot of
+ * answers. Doing something so evil is useful if you are trying
+ * to stress the ethernet, or just want to fill the arp cache
+ * to get some stuff for /etc/ethers.
+ */
+ hold = 48 * 1024;
+ setsockopt(s, SOL_SOCKET, SO_RCVBUF, (char *)&hold, sizeof(hold));
+ }
+#endif
+
+ optval = 1;
+#ifndef USE_SIN6_SCOPE_ID
+ setsockopt(s, IPPROTO_IPV6, IPV6_PKTINFO, &optval, sizeof(optval));
+#endif
+ setsockopt(s, IPPROTO_IPV6, IPV6_HOPLIMIT, &optval, sizeof(optval));
+
+ printf("PING6(%d=40+8+%d bytes) ", datalen + 48, datalen);
+ printf("%s --> ", inet_ntop(AF_INET6, &src.sin6_addr, ntop_buf, sizeof(ntop_buf)));
+ printf("%s\n", inet_ntop(AF_INET6, &dst.sin6_addr, ntop_buf, sizeof(ntop_buf)));
+
+ while (preload--) /* Fire off them quickies. */
+ pinger();
+
+ (void)signal(SIGINT, onint);
+ (void)signal(SIGINFO, oninfo);
+
+ if ((options & F_FLOOD) == 0) {
+ (void)signal(SIGALRM, onalrm);
+ itimer.it_interval.tv_sec = interval;
+ itimer.it_interval.tv_usec = 0;
+ itimer.it_value.tv_sec = 0;
+ itimer.it_value.tv_usec = 1;
+ (void)setitimer(ITIMER_REAL, &itimer, NULL);
+ }
+
+ FD_ZERO(&fdset);
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 10000;
+ for (;;) {
+ struct msghdr m;
+ struct cmsghdr *cm;
+ u_char buf[256];
+ struct iovec iov[2];
+
+ if (options & F_FLOOD) {
+ pinger();
+ FD_SET(s, &fdset);
+ if (select(s + 1, &fdset, NULL, NULL, &timeout) < 1)
+ continue;
+ }
+ fromlen = sizeof(from);
+
+ m.msg_name = (caddr_t)&from;
+ m.msg_namelen = sizeof(from);
+ memset(&iov, 0, sizeof(iov));
+ iov[0].iov_base = (caddr_t)packet;
+ iov[0].iov_len = packlen;
+ m.msg_iov = iov;
+ m.msg_iovlen = 1;
+ cm = (struct cmsghdr *)buf;
+ m.msg_control = (caddr_t)buf;
+ m.msg_controllen = sizeof(buf);
+
+ if ((cc = recvmsg(s, &m, 0)) < 0) {
+ if (errno == EINTR)
+ continue;
+ warn("recvfrom");
+ continue;
+ }
+
+ pr_pack(packet, cc, &m);
+ if (npackets && nreceived >= npackets)
+ break;
+ }
+ summary();
+ exit(nreceived == 0);
+}
+
+/*
+ * onalrm --
+ * This routine transmits another ping6.
+ */
+void
+onalrm(signo)
+ int signo;
+{
+ struct itimerval itimer;
+
+ if (!npackets || ntransmitted < npackets) {
+ pinger();
+ return;
+ }
+
+ /*
+ * If we're not transmitting any more packets, change the timer
+ * to wait two round-trip times if we've received any packets or
+ * ten seconds if we haven't.
+ */
+#define MAXWAIT 10
+ if (nreceived) {
+ itimer.it_value.tv_sec = 2 * tmax / 1000;
+ if (itimer.it_value.tv_sec == 0)
+ itimer.it_value.tv_sec = 1;
+ } else
+ itimer.it_value.tv_sec = MAXWAIT;
+ itimer.it_interval.tv_sec = 0;
+ itimer.it_interval.tv_usec = 0;
+ itimer.it_value.tv_usec = 0;
+
+ (void)signal(SIGALRM, onint);
+ (void)setitimer(ITIMER_REAL, &itimer, NULL);
+}
+
+/*
+ * pinger --
+ * Compose and transmit an ICMP ECHO REQUEST packet. The IP packet
+ * will be added on by the kernel. The ID field is our UNIX process ID,
+ * and the sequence number is an ascending integer. The first 8 bytes
+ * of the data portion are used to hold a UNIX "timeval" struct in VAX
+ * byte-order, to compute the round-trip time.
+ */
+void
+pinger()
+{
+ struct icmp6_hdr *icp;
+ struct iovec iov[2];
+ int i, cc;
+
+ icp = (struct icmp6_hdr *)outpack;
+ icp->icmp6_code = 0;
+ icp->icmp6_cksum = 0;
+ icp->icmp6_seq = ntransmitted++; /* htons later */
+ icp->icmp6_id = htons(ident); /* ID */
+
+ CLR(icp->icmp6_seq % mx_dup_ck);
+ icp->icmp6_seq = htons(icp->icmp6_seq);
+
+ if (options & F_FQDN) {
+ icp->icmp6_type = ICMP6_NI_QUERY;
+ /* code field is always 0 */
+ /* XXX: overwrite icmp6_id */
+ icp->icmp6_data16[0] = htons(NI_QTYPE_FQDN);
+ if (timing)
+ (void)gettimeofday((struct timeval *)
+ &outpack[ICMP6ECHOLEN], NULL);
+ cc = ICMP6_NIQLEN;
+ datalen = 0;
+ } else if (options & F_NODEADDR) {
+ icp->icmp6_type = ICMP6_NI_QUERY;
+ /* code field is always 0 */
+ /* XXX: overwrite icmp6_id */
+ icp->icmp6_data16[0] = htons(NI_QTYPE_NODEADDR);
+ if (timing)
+ (void)gettimeofday((struct timeval *)
+ &outpack[ICMP6ECHOLEN], NULL);
+ cc = ICMP6_NIQLEN;
+ datalen = 0;
+ ((struct icmp6_nodeinfo *)icp)->ni_flags = naflags;
+ }
+ else {
+ icp->icmp6_type = ICMP6_ECHO_REQUEST;
+ if (timing)
+ (void)gettimeofday((struct timeval *)
+ &outpack[ICMP6ECHOLEN], NULL);
+ cc = ICMP6ECHOLEN + datalen;
+ }
+
+ smsghdr.msg_name = (caddr_t)&dst;
+ smsghdr.msg_namelen = sizeof(dst);
+ memset(&iov, 0, sizeof(iov));
+ iov[0].iov_base = (caddr_t)outpack;
+ iov[0].iov_len = cc;
+ smsghdr.msg_iov = iov;
+ smsghdr.msg_iovlen = 1;
+
+ i = sendmsg(s, &smsghdr, 0);
+
+ if (i < 0 || i != cc) {
+ if (i < 0)
+ warn("sendmsg");
+ (void)printf("ping6: wrote %s %d chars, ret=%d\n",
+ hostname, cc, i);
+ }
+ if (!(options & F_QUIET) && options & F_FLOOD)
+ (void)write(STDOUT_FILENO, &DOT, 1);
+}
+
+/*
+ * pr_pack --
+ * Print out the packet, if it came from us. This logic is necessary
+ * because ALL readers of the ICMP socket get a copy of ALL ICMP packets
+ * which arrive ('tis only fair). This permits multiple copies of this
+ * program to be run without having intermingled output (or statistics!).
+ */
+void
+pr_pack(buf, cc, mhdr)
+ u_char *buf;
+ int cc;
+ struct msghdr *mhdr;
+{
+ struct icmp6_hdr *icp;
+ int i;
+ int hoplim;
+ struct sockaddr_in6 *from = (struct sockaddr_in6 *)mhdr->msg_name;
+ u_char *cp = NULL, *dp, *end = buf + cc;
+#ifdef OLD_RAWSOCKET
+ struct ip6_hdr *ip;
+#endif
+ struct timeval tv, *tp;
+ double triptime = 0;
+ int dupflag;
+ size_t off;
+
+ (void)gettimeofday(&tv, NULL);
+
+#ifdef OLD_RAWSOCKET
+ /* Check the IP header */
+ ip = (struct ip6_hdr *)buf;
+ if (cc < sizeof(struct icmp6_hdr) + sizeof(struct ip6_hdr)) {
+ if (options & F_VERBOSE)
+ warnx("packet too short (%d bytes) from %s\n", cc,
+ inet_ntop(AF_INET6, (void *)&from->sin6_addr,
+ ntop_buf, sizeof(ntop_buf)));
+ return;
+ }
+
+ /* chase nexthdr link */
+ {
+ u_int8_t nh;
+ struct ah *ah;
+ struct ip6_ext *ip6e;
+
+ off = IP6LEN;
+ nh = ip->ip6_nxt;
+ while (nh != IPPROTO_ICMPV6) {
+ if (options & F_VERBOSE)
+ fprintf(stderr, "header chain: type=0x%x\n", nh);
+
+ switch (nh) {
+#ifdef IPSEC
+ case IPPROTO_AH:
+ ah = (struct ah *)(buf + off);
+ off += sizeof(struct ah);
+ off += (ah->ah_len << 2);
+ nh = ah->ah_nxt;
+ break;
+#endif
+
+ case IPPROTO_HOPOPTS:
+ ip6e = (struct ip6_ext *)(buf + off);
+ off += (ip6e->ip6e_len + 1) << 3;
+ nh = ip6e->ip6e_nxt;
+ break;
+ default:
+ if (options & F_VERBOSE) {
+ fprintf(stderr,
+ "unknown header type=0x%x: drop it\n",
+ nh);
+ }
+ return;
+ }
+ }
+ }
+ /* Now the ICMP part */
+ icp = (struct icmp6_hdr *)(buf + off);
+#else
+ if (cc < sizeof(struct icmp6_hdr)) {
+ if (options & F_VERBOSE)
+ warnx("packet too short (%d bytes) from %s\n", cc,
+ inet_ntop(AF_INET6, (void *)&from->sin6_addr,
+ ntop_buf, sizeof(ntop_buf)));
+ return;
+ }
+ icp = (struct icmp6_hdr *)buf;
+ off = 0;
+#endif
+
+ if ((hoplim = get_hoplim(mhdr)) == -1) {
+ warnx("failed to get receiving hop limit");
+ return;
+ }
+
+ if (icp->icmp6_type == ICMP6_ECHO_REPLY) {
+ /* XXX the following line overwrites the original packet */
+ icp->icmp6_seq = ntohs(icp->icmp6_seq);
+ if (ntohs(icp->icmp6_id) != ident)
+ return; /* It was not our ECHO */
+ ++nreceived;
+ if (timing) {
+ tp = (struct timeval *)(icp + 1);
+ tvsub(&tv, tp);
+ triptime = ((double)tv.tv_sec) * 1000.0 +
+ ((double)tv.tv_usec) / 1000.0;
+ tsum += triptime;
+ if (triptime < tmin)
+ tmin = triptime;
+ if (triptime > tmax)
+ tmax = triptime;
+ }
+
+ if (TST(icp->icmp6_seq % mx_dup_ck)) {
+ ++nrepeats;
+ --nreceived;
+ dupflag = 1;
+ } else {
+ SET(icp->icmp6_seq % mx_dup_ck);
+ dupflag = 0;
+ }
+
+ if (options & F_QUIET)
+ return;
+
+ if (options & F_FLOOD)
+ (void)write(STDOUT_FILENO, &BSPACE, 1);
+ else {
+ (void)printf("%d bytes from %s, icmp_seq=%u", cc,
+ inet_ntop(AF_INET6, &from->sin6_addr,
+ ntop_buf, sizeof(ntop_buf)),
+ icp->icmp6_seq);
+ (void)printf(" hlim=%d", hoplim);
+ if (timing)
+ (void)printf(" time=%g ms", triptime);
+ if (dupflag)
+ (void)printf("(DUP!)");
+ /* check the data */
+ cp = buf + off + ICMP6ECHOLEN + ICMP6ECHOTMLEN;
+ dp = outpack + ICMP6ECHOLEN + ICMP6ECHOTMLEN;
+ for (i = 8; cp < end; ++i, ++cp, ++dp) {
+ if (*cp != *dp) {
+ (void)printf("\nwrong data byte #%d should be 0x%x but was 0x%x", i, *dp, *cp);
+ break;
+ }
+ }
+ }
+ } else if (icp->icmp6_type == ICMP6_NI_REPLY) { /* ICMP6_NI_REPLY */
+ struct icmp6_nodeinfo *ni = (struct icmp6_nodeinfo *)(buf + off);
+
+ (void)printf("%d bytes from %s: ", cc,
+ pr_addr(from));
+
+ switch(ntohs(ni->ni_qtype)) {
+ case NI_QTYPE_NOOP:
+ printf("NodeInfo NOOP");
+ break;
+ case NI_QTYPE_SUPTYPES:
+ printf("NodeInfo Supported Qtypes");
+ break;
+ case NI_QTYPE_NODEADDR:
+ pr_nodeaddr(ni, end - (u_char *)ni);
+ break;
+ case NI_QTYPE_FQDN:
+ default: /* XXX: for backward compatibility */
+ cp = (u_char *)ni + ICMP6_NIRLEN + 1;
+ while (cp < end) {
+ if (isprint(*cp))
+ putchar(*cp);
+ else
+ printf("\\%03o", *cp & 0xff);
+ cp++;
+ }
+ if (options & F_VERBOSE) {
+ long ttl;
+
+ (void)printf(" (");
+
+ switch(ni->ni_code) {
+ case ICMP6_NI_REFUSED:
+ (void)printf("refused,");
+ break;
+ case ICMP6_NI_UNKNOWN:
+ (void)printf("unknwon qtype,");
+ break;
+ }
+
+ if ((end - (u_char *)ni) < ICMP6_NIRLEN) {
+ /* case of refusion, unkown */
+ goto fqdnend;
+ }
+ ttl = ntohl(*(u_long *)&buf[off+ICMP6ECHOLEN+8]);
+ if (!(ni->ni_flags & NI_FQDN_FLAG_VALIDTTL))
+ (void)printf("TTL=%d:meaningless",
+ (int)ttl);
+ else {
+ if (ttl < 0)
+ (void)printf("TTL=%d:invalid",
+ (int)ttl);
+ else
+ (void)printf("TTL=%d",
+ (int)ttl);
+ }
+
+ if (buf[off + ICMP6_NIRLEN] !=
+ cc - off - ICMP6_NIRLEN - 1) {
+ (void)printf(",invalid namelen:%d/%lu",
+ buf[off + ICMP6_NIRLEN],
+ (u_long)cc - off - ICMP6_NIRLEN - 1);
+ }
+ putchar(')');
+ }
+ fqdnend:
+ ;
+ }
+ } else {
+ /* We've got something other than an ECHOREPLY */
+ if (!(options & F_VERBOSE))
+ return;
+ (void)printf("%d bytes from %s: ", cc,
+ pr_addr(from));
+ pr_icmph(icp, end);
+ }
+
+ if (!(options & F_FLOOD)) {
+ (void)putchar('\n');
+ (void)fflush(stdout);
+ }
+}
+
+void
+pr_nodeaddr(ni, nilen)
+ struct icmp6_nodeinfo *ni; /* ni->qtype must be NODEADDR */
+ int nilen;
+{
+ struct in6_addr *ia6 = (struct in6_addr *)(ni + 1);
+
+ nilen -= sizeof(struct icmp6_nodeinfo);
+
+ if (options & F_VERBOSE) {
+ switch(ni->ni_code) {
+ case ICMP6_NI_REFUSED:
+ (void)printf("refused");
+ break;
+ case ICMP6_NI_UNKNOWN:
+ (void)printf("unknown qtype");
+ break;
+ }
+ if (ni->ni_flags & NI_NODEADDR_FLAG_ALL)
+ (void)printf(" truncated");
+ }
+ putchar('\n');
+ if (nilen <= 0)
+ printf(" no address\n");
+ for (; nilen > 0; nilen -= sizeof(*ia6), ia6 += 1) {
+ printf(" %s\n",
+ inet_ntop(AF_INET6, ia6, ntop_buf, sizeof(ntop_buf)));
+ }
+}
+
+int
+get_hoplim(mhdr)
+ struct msghdr *mhdr;
+{
+ struct cmsghdr *cm;
+
+ for (cm = (struct cmsghdr *)CMSG_FIRSTHDR(mhdr); cm;
+ cm = (struct cmsghdr *)CMSG_NXTHDR(mhdr, cm)) {
+ if (cm->cmsg_level == IPPROTO_IPV6 &&
+ cm->cmsg_type == IPV6_HOPLIMIT &&
+ cm->cmsg_len == CMSG_LEN(sizeof(int)))
+ return(*(int *)CMSG_DATA(cm));
+ }
+
+ return(-1);
+}
+
+/*
+ * tvsub --
+ * Subtract 2 timeval structs: out = out - in. Out is assumed to
+ * be >= in.
+ */
+void
+tvsub(out, in)
+ register struct timeval *out, *in;
+{
+ if ((out->tv_usec -= in->tv_usec) < 0) {
+ --out->tv_sec;
+ out->tv_usec += 1000000;
+ }
+ out->tv_sec -= in->tv_sec;
+}
+
+/*
+ * oninfo --
+ * SIGINFO handler.
+ */
+void
+oninfo(notused)
+ int notused;
+{
+ summary();
+}
+
+/*
+ * onint --
+ * SIGINT handler.
+ */
+void
+onint(notused)
+ int notused;
+{
+ summary();
+
+ (void)signal(SIGINT, SIG_DFL);
+ (void)kill(getpid(), SIGINT);
+
+ /* NOTREACHED */
+ exit(1);
+}
+
+/*
+ * summary --
+ * Print out statistics.
+ */
+void
+summary()
+{
+ register int i;
+
+ (void)printf("\n--- %s ping6 statistics ---\n", hostname);
+ (void)printf("%ld packets transmitted, ", ntransmitted);
+ (void)printf("%ld packets received, ", nreceived);
+ if (nrepeats)
+ (void)printf("+%ld duplicates, ", nrepeats);
+ if (ntransmitted) {
+ if (nreceived > ntransmitted)
+ (void)printf("-- somebody's printing up packets!");
+ else
+ (void)printf("%d%% packet loss",
+ (int) (((ntransmitted - nreceived) * 100) /
+ ntransmitted));
+ }
+ (void)putchar('\n');
+ if (nreceived && timing) {
+ /* Only display average to microseconds */
+ i = 1000.0 * tsum / (nreceived + nrepeats);
+ (void)printf("round-trip min/avg/max = %g/%g/%g ms\n",
+ tmin, ((double)i) / 1000.0, tmax);
+ (void)fflush(stdout);
+ }
+}
+
+#ifdef notdef
+static char *ttab[] = {
+ "Echo Reply", /* ip + seq + udata */
+ "Dest Unreachable", /* net, host, proto, port, frag, sr + IP */
+ "Source Quench", /* IP */
+ "Redirect", /* redirect type, gateway, + IP */
+ "Echo",
+ "Time Exceeded", /* transit, frag reassem + IP */
+ "Parameter Problem", /* pointer + IP */
+ "Timestamp", /* id + seq + three timestamps */
+ "Timestamp Reply", /* " */
+ "Info Request", /* id + sq */
+ "Info Reply" /* " */
+};
+#endif
+
+/*
+ * pr_icmph --
+ * Print a descriptive string about an ICMP header.
+ */
+void
+pr_icmph(icp, end)
+ struct icmp6_hdr *icp;
+ u_char *end;
+{
+ switch(icp->icmp6_type) {
+ case ICMP6_DST_UNREACH:
+ switch(icp->icmp6_code) {
+ case ICMP6_DST_UNREACH_NOROUTE:
+ (void)printf("No Route to Destination\n");
+ break;
+ case ICMP6_DST_UNREACH_ADMIN:
+ (void)printf("Destination Administratively "
+ "Unreachable\n");
+ break;
+ case ICMP6_DST_UNREACH_BEYONDSCOPE:
+ (void)printf("Destination Unreachable Beyond Scope\n");
+ break;
+ case ICMP6_DST_UNREACH_ADDR:
+ (void)printf("Destination Host Unreachable\n");
+ break;
+ case ICMP6_DST_UNREACH_NOPORT:
+ (void)printf("Destination Port Unreachable\n");
+ break;
+ default:
+ (void)printf("Destination Unreachable, Bad Code: %d\n",
+ icp->icmp6_code);
+ break;
+ }
+ /* Print returned IP header information */
+ pr_retip((struct ip6_hdr *)(icp + 1), end);
+ break;
+ case ICMP6_PACKET_TOO_BIG:
+ (void)printf("Packet too big mtu = %d\n",
+ (int)ntohl(icp->icmp6_mtu));
+ break;
+ case ICMP6_TIME_EXCEEDED:
+ switch(icp->icmp6_code) {
+ case ICMP6_TIME_EXCEED_TRANSIT:
+ (void)printf("Time to live exceeded\n");
+ break;
+ case ICMP6_TIME_EXCEED_REASSEMBLY:
+ (void)printf("Frag reassembly time exceeded\n");
+ break;
+ default:
+ (void)printf("Time exceeded, Bad Code: %d\n",
+ icp->icmp6_code);
+ break;
+ }
+ pr_retip((struct ip6_hdr *)(icp + 1), end);
+ break;
+ case ICMP6_PARAM_PROB:
+ (void)printf("Parameter problem: ");
+ switch(icp->icmp6_code) {
+ case ICMP6_PARAMPROB_HEADER:
+ (void)printf("Erroneous Header ");
+ break;
+ case ICMP6_PARAMPROB_NEXTHEADER:
+ (void)printf("Unknown Nextheader ");
+ break;
+ case ICMP6_PARAMPROB_OPTION:
+ (void)printf("Unrecognized Option ");
+ break;
+ default:
+ (void)printf("Bad code(%d) ", icp->icmp6_code);
+ break;
+ }
+ (void)printf("pointer = 0x%02x\n",
+ (int)ntohl(icp->icmp6_pptr));
+ pr_retip((struct ip6_hdr *)(icp + 1), end);
+ break;
+ case ICMP6_ECHO_REQUEST:
+ (void)printf("Echo Request\n");
+ /* XXX ID + Seq + Data */
+ break;
+ case ICMP6_ECHO_REPLY:
+ (void)printf("Echo Reply\n");
+ /* XXX ID + Seq + Data */
+ break;
+ case ICMP6_MEMBERSHIP_QUERY:
+ (void)printf("Membership Query\n");
+ break;
+ case ICMP6_MEMBERSHIP_REPORT:
+ (void)printf("Membership Report\n");
+ break;
+ case ICMP6_MEMBERSHIP_REDUCTION:
+ (void)printf("Membership Reduction\n");
+ break;
+ case ND_ROUTER_SOLICIT:
+ (void)printf("Router Solicitation\n");
+ break;
+ case ND_ROUTER_ADVERT:
+ (void)printf("Router Advertisement\n");
+ break;
+ case ND_NEIGHBOR_SOLICIT:
+ (void)printf("Neighbor Solicitation\n");
+ break;
+ case ND_NEIGHBOR_ADVERT:
+ (void)printf("Neighbor Advertisement\n");
+ break;
+ case ND_REDIRECT:
+ {
+ struct nd_redirect *red = (struct nd_redirect *)icp;
+
+ (void)printf("Redirect\n");
+ (void)printf("Destination: %s\n",
+ inet_ntop(AF_INET6, &red->nd_rd_dst,
+ ntop_buf, sizeof(ntop_buf)));
+ (void)printf("New Target: %s\n",
+ inet_ntop(AF_INET6, &red->nd_rd_target,
+ ntop_buf, sizeof(ntop_buf)));
+ break;
+ }
+ case ICMP6_NI_QUERY:
+ (void)printf("Node Information Query\n");
+ /* XXX ID + Seq + Data */
+ break;
+ case ICMP6_NI_REPLY:
+ (void)printf("Node Information Reply\n");
+ /* XXX ID + Seq + Data */
+ break;
+ default:
+ (void)printf("Bad ICMP type: %d\n", icp->icmp6_type);
+ }
+}
+
+/*
+ * pr_iph --
+ * Print an IP6 header.
+ */
+void
+pr_iph(ip6)
+ struct ip6_hdr *ip6;
+{
+ u_int32_t flow = ip6->ip6_flow & IPV6_FLOWLABEL_MASK;
+ u_int8_t tc;
+
+ tc = *(&ip6->ip6_vfc + 1); /* XXX */
+ tc = (tc >> 4) & 0x0f;
+ tc |= (ip6->ip6_vfc << 4);
+
+ printf("Vr TC Flow Plen Nxt Hlim\n");
+ printf(" %1x %02x %05x %04x %02x %02x\n",
+ (ip6->ip6_vfc & IPV6_VERSION_MASK) >> 4, tc, (int)ntohl(flow),
+ ntohs(ip6->ip6_plen),
+ ip6->ip6_nxt, ip6->ip6_hlim);
+ printf("%s->", inet_ntop(AF_INET6, &ip6->ip6_src,
+ ntop_buf, INET6_ADDRSTRLEN));
+ printf("%s\n", inet_ntop(AF_INET6, &ip6->ip6_dst,
+ ntop_buf, INET6_ADDRSTRLEN));
+}
+
+/*
+ * pr_addr --
+ * Return an ascii host address as a dotted quad and optionally with
+ * a hostname.
+ */
+char *
+pr_addr(addr)
+ struct sockaddr_in6 *addr;
+{
+ static char buf[MAXHOSTNAMELEN];
+ int flag = 0;
+
+ if (options & F_NUMERIC)
+ flag |= NI_NUMERICHOST;
+
+ flag |= NI_WITHSCOPEID;
+
+ getnameinfo((struct sockaddr *)addr, addr->sin6_len, buf, sizeof(buf),
+ NULL, 0, flag);
+
+ return (buf);
+}
+
+/*
+ * pr_retip --
+ * Dump some info on a returned (via ICMPv6) IPv6 packet.
+ */
+void
+pr_retip(ip6, end)
+ struct ip6_hdr *ip6;
+ u_char *end;
+{
+ u_char *cp = (u_char *)ip6, nh;
+ int hlen;
+
+ if (end - (u_char *)ip6 < sizeof(*ip6)) {
+ printf("IP6");
+ goto trunc;
+ }
+ pr_iph(ip6);
+ hlen = sizeof(*ip6);
+
+ nh = ip6->ip6_nxt;
+ cp += hlen;
+ while (end - cp >= 8) {
+ switch (nh) {
+ case IPPROTO_HOPOPTS:
+ printf("HBH ");
+ hlen = (((struct ip6_hbh *)cp)->ip6h_len+1) << 3;
+ nh = ((struct ip6_hbh *)cp)->ip6h_nxt;
+ break;
+ case IPPROTO_DSTOPTS:
+ printf("DSTOPT ");
+ hlen = (((struct ip6_dest *)cp)->ip6d_len+1) << 3;
+ nh = ((struct ip6_dest *)cp)->ip6d_nxt;
+ break;
+ case IPPROTO_FRAGMENT:
+ printf("FRAG ");
+ hlen = sizeof(struct ip6_frag);
+ nh = ((struct ip6_frag *)cp)->ip6f_nxt;
+ break;
+ case IPPROTO_ROUTING:
+ printf("RTHDR ");
+ hlen = (((struct ip6_rthdr *)cp)->ip6r_len+1) << 3;
+ nh = ((struct ip6_rthdr *)cp)->ip6r_nxt;
+ break;
+#ifdef IPSEC
+ case IPPROTO_AH:
+ printf("AH ");
+ hlen = (((struct ah *)cp)->ah_len+2) << 2;
+ nh = ((struct ah *)cp)->ah_nxt;
+ break;
+#endif
+ case IPPROTO_ICMPV6:
+ printf("ICMP6: type = %d, code = %d\n",
+ *cp, *(cp + 1));
+ return;
+ case IPPROTO_ESP:
+ printf("ESP\n");
+ return;
+ case IPPROTO_TCP:
+ printf("TCP: from port %u, to port %u (decimal)\n",
+ (*cp * 256 + *(cp + 1)),
+ (*(cp + 2) * 256 + *(cp + 3)));
+ return;
+ case IPPROTO_UDP:
+ printf("UDP: from port %u, to port %u (decimal)\n",
+ (*cp * 256 + *(cp + 1)),
+ (*(cp + 2) * 256 + *(cp + 3)));
+ return;
+ default:
+ printf("Unknown Header(%d)\n", nh);
+ return;
+ }
+
+ if ((cp += hlen) >= end)
+ goto trunc;
+ }
+ if (end - cp < 8)
+ goto trunc;
+
+ putchar('\n');
+ return;
+
+ trunc:
+ printf("...\n");
+ return;
+}
+
+void
+fill(bp, patp)
+ char *bp, *patp;
+{
+ register int ii, jj, kk;
+ int pat[16];
+ char *cp;
+
+ for (cp = patp; *cp; cp++)
+ if (!isxdigit(*cp))
+ errx(1, "patterns must be specified as hex digits");
+ ii = sscanf(patp,
+ "%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x",
+ &pat[0], &pat[1], &pat[2], &pat[3], &pat[4], &pat[5], &pat[6],
+ &pat[7], &pat[8], &pat[9], &pat[10], &pat[11], &pat[12],
+ &pat[13], &pat[14], &pat[15]);
+
+/* xxx */
+ if (ii > 0)
+ for (kk = 0;
+ kk <= MAXDATALEN - (8 + sizeof(struct timeval) + ii);
+ kk += ii)
+ for (jj = 0; jj < ii; ++jj)
+ bp[jj + kk] = pat[jj];
+ if (!(options & F_QUIET)) {
+ (void)printf("PATTERN: 0x");
+ for (jj = 0; jj < ii; ++jj)
+ (void)printf("%02x", bp[jj] & 0xFF);
+ (void)printf("\n");
+ }
+}
+
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+int
+setpolicy(so, policy)
+ int so;
+ char *policy;
+{
+ char *buf;
+
+ if (policy == NULL)
+ return 0; /* ignore */
+
+ buf = ipsec_set_policy(policy, strlen(policy));
+ if (buf == NULL)
+ errx(1, ipsec_strerror());
+ if (setsockopt(s, IPPROTO_IPV6, IPV6_IPSEC_POLICY,
+ buf, ipsec_get_policylen(buf)) < 0)
+ warnx("Unable to set IPSec policy");
+ free(buf);
+
+ return 0;
+}
+#endif
+#endif
+
+void
+usage()
+{
+ (void)fprintf(stderr,
+"usage: ping6 [-dfnqRrvwW"
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ "] [-P policy"
+#else
+ "AE"
+#endif
+#endif
+ "] [-a [alsg]] [-b sockbufsiz] [-c count] [-I interface]\n\
+ [-i wait] [-l preload] [-p pattern] [-s packetsize]\n\
+ [-h hoplimit] host [hosts...]\n");
+ exit(1);
+}
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