[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * $Id: ping6.c,v 1.6 2004/03/15 08:28:48 andersen Exp $
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| 4 | * Mini ping implementation for busybox
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| 5 | *
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| 6 | * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
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| 7 | *
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| 8 | * This program is free software; you can redistribute it and/or modify
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| 9 | * it under the terms of the GNU General Public License as published by
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| 10 | * the Free Software Foundation; either version 2 of the License, or
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| 11 | * (at your option) any later version.
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| 12 | *
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| 13 | * This program is distributed in the hope that it will be useful,
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 16 | * General Public License for more details.
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| 17 | *
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| 18 | * You should have received a copy of the GNU General Public License
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| 19 | * along with this program; if not, write to the Free Software
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| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 21 | *
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| 22 | * This version of ping is adapted from the ping in netkit-base 0.10,
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| 23 | * which is:
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| 24 | *
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| 25 | * Copyright (c) 1989 The Regents of the University of California.
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| 26 | * All rights reserved.
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| 27 | *
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| 28 | * This code is derived from software contributed to Berkeley by
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| 29 | * Mike Muuss.
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| 30 | *
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| 31 | * Original copyright notice is retained at the end of this file.
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| 32 | *
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| 33 | * This version is an adaptation of ping.c from busybox.
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| 34 | * The code was modified by Bart Visscher <magick@linux-fan.com>
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| 35 | */
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| 36 |
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| 37 | #include <sys/param.h>
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| 38 | #include <sys/socket.h>
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| 39 | #include <sys/file.h>
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| 40 | #include <sys/times.h>
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| 41 | #include <signal.h>
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| 42 |
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| 43 | #include <netinet/in.h>
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| 44 | #include <netinet/ip6.h>
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| 45 | #include <netinet/icmp6.h>
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| 46 | #include <arpa/inet.h>
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| 47 | #include <net/if.h>
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| 48 | #include <netdb.h>
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| 49 | #include <stdio.h>
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| 50 | #include <stdlib.h>
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| 51 | #include <errno.h>
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| 52 | #include <unistd.h>
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| 53 | #include <string.h>
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| 54 | #include <stdlib.h>
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| 55 | #include <stddef.h> /* offsetof */
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| 56 | #include "busybox.h"
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| 57 |
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| 58 | enum {
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| 59 | DEFDATALEN = 56,
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| 60 | MAXIPLEN = 60,
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| 61 | MAXICMPLEN = 76,
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| 62 | MAXPACKET = 65468,
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| 63 | MAX_DUP_CHK = (8 * 128),
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| 64 | MAXWAIT = 10,
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| 65 | PINGINTERVAL = 1 /* second */
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| 66 | };
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| 67 |
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| 68 | #define O_QUIET (1 << 0)
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| 69 | #define O_VERBOSE (1 << 1)
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| 70 |
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| 71 | #define A(bit) rcvd_tbl[(bit)>>3] /* identify byte in array */
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| 72 | #define B(bit) (1 << ((bit) & 0x07)) /* identify bit in byte */
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| 73 | #define SET(bit) (A(bit) |= B(bit))
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| 74 | #define CLR(bit) (A(bit) &= (~B(bit)))
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| 75 | #define TST(bit) (A(bit) & B(bit))
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| 76 |
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| 77 | static void ping(const char *host);
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| 78 |
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| 79 | /* simple version */
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| 80 | #ifndef CONFIG_FEATURE_FANCY_PING6
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| 81 | static struct hostent *h;
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| 82 |
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| 83 | void noresp(int ign)
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| 84 | {
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| 85 | printf("No response from %s\n", h->h_name);
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| 86 | exit(EXIT_FAILURE);
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| 87 | }
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| 88 |
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| 89 | static void ping(const char *host)
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| 90 | {
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| 91 | struct sockaddr_in6 pingaddr;
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| 92 | struct icmp6_hdr *pkt;
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| 93 | int pingsock, c;
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| 94 | int sockopt;
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| 95 | char packet[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
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| 96 |
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| 97 | pingsock = create_icmp6_socket();
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| 98 |
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| 99 | memset(&pingaddr, 0, sizeof(struct sockaddr_in));
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| 100 |
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| 101 | pingaddr.sin6_family = AF_INET6;
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| 102 | h = xgethostbyname2(host, AF_INET6);
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| 103 | memcpy(&pingaddr.sin6_addr, h->h_addr, sizeof(pingaddr.sin6_addr));
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| 104 |
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| 105 | pkt = (struct icmp6_hdr *) packet;
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| 106 | memset(pkt, 0, sizeof(packet));
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| 107 | pkt->icmp6_type = ICMP6_ECHO_REQUEST;
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| 108 |
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| 109 | sockopt = offsetof(struct icmp6_hdr, icmp6_cksum);
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| 110 | setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, (char *) &sockopt,
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| 111 | sizeof(sockopt));
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| 112 |
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| 113 | c = sendto(pingsock, packet, DEFDATALEN + sizeof (struct icmp6_hdr), 0,
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| 114 | (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in6));
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| 115 |
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| 116 | if (c < 0 || c != sizeof(packet))
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| 117 | bb_perror_msg_and_die("sendto");
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| 118 |
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| 119 | signal(SIGALRM, noresp);
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| 120 | alarm(5); /* give the host 5000ms to respond */
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| 121 | /* listen for replies */
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| 122 | while (1) {
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| 123 | struct sockaddr_in6 from;
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| 124 | size_t fromlen = sizeof(from);
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| 125 |
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| 126 | if ((c = recvfrom(pingsock, packet, sizeof(packet), 0,
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| 127 | (struct sockaddr *) &from, &fromlen)) < 0) {
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| 128 | if (errno == EINTR)
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| 129 | continue;
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| 130 | bb_perror_msg("recvfrom");
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| 131 | continue;
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| 132 | }
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| 133 | if (c >= 8) { /* icmp6_hdr */
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| 134 | pkt = (struct icmp6_hdr *) packet;
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| 135 | if (pkt->icmp6_type == ICMP6_ECHO_REPLY)
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| 136 | break;
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| 137 | }
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| 138 | }
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| 139 | printf("%s is alive!\n", h->h_name);
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| 140 | return;
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| 141 | }
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| 142 |
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| 143 | int ping6_main(int argc, char **argv)
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| 144 | {
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| 145 | argc--;
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| 146 | argv++;
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| 147 | if (argc < 1)
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| 148 | bb_show_usage();
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| 149 | ping(*argv);
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| 150 | return EXIT_SUCCESS;
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| 151 | }
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| 152 |
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| 153 | #else /* ! CONFIG_FEATURE_FANCY_PING6 */
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| 154 | /* full(er) version */
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| 155 | static struct sockaddr_in6 pingaddr;
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| 156 | static int pingsock = -1;
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| 157 | static int datalen; /* intentionally uninitialized to work around gcc bug */
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| 158 | static char* ifname;
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| 159 |
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| 160 | static long ntransmitted, nreceived, nrepeats, pingcount;
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| 161 | static int myid, options;
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| 162 | static unsigned long tmin = ULONG_MAX, tmax, tsum;
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| 163 | static char rcvd_tbl[MAX_DUP_CHK / 8];
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| 164 |
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| 165 | # ifdef CONFIG_FEATURE_FANCY_PING
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| 166 | extern
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| 167 | # endif
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| 168 | struct hostent *hostent;
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| 169 |
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| 170 | static void sendping(int);
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| 171 | static void pingstats(int);
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| 172 | static void unpack(char *, int, struct sockaddr_in6 *, int);
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| 173 |
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| 174 | /**************************************************************************/
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| 175 |
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| 176 | static void pingstats(int junk)
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| 177 | {
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| 178 | int status;
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| 179 |
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| 180 | signal(SIGINT, SIG_IGN);
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| 181 |
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| 182 | printf("\n--- %s ping statistics ---\n", hostent->h_name);
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| 183 | printf("%ld packets transmitted, ", ntransmitted);
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| 184 | printf("%ld packets received, ", nreceived);
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| 185 | if (nrepeats)
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| 186 | printf("%ld duplicates, ", nrepeats);
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| 187 | if (ntransmitted)
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| 188 | printf("%ld%% packet loss\n",
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| 189 | (ntransmitted - nreceived) * 100 / ntransmitted);
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| 190 | if (nreceived)
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| 191 | printf("round-trip min/avg/max = %lu.%lu/%lu.%lu/%lu.%lu ms\n",
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| 192 | tmin / 10, tmin % 10,
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| 193 | (tsum / (nreceived + nrepeats)) / 10,
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| 194 | (tsum / (nreceived + nrepeats)) % 10, tmax / 10, tmax % 10);
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| 195 | if (nreceived != 0)
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| 196 | status = EXIT_SUCCESS;
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| 197 | else
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| 198 | status = EXIT_FAILURE;
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| 199 | exit(status);
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| 200 | }
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| 201 |
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| 202 | static void sendping(int junk)
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| 203 | {
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| 204 | struct icmp6_hdr *pkt;
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| 205 | int i;
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| 206 | char packet[datalen + sizeof (struct icmp6_hdr)];
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| 207 |
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| 208 | pkt = (struct icmp6_hdr *) packet;
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| 209 |
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| 210 | pkt->icmp6_type = ICMP6_ECHO_REQUEST;
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| 211 | pkt->icmp6_code = 0;
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| 212 | pkt->icmp6_cksum = 0;
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[904] | 213 | pkt->icmp6_seq = SWAP_BE16(ntransmitted++);
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[821] | 214 | pkt->icmp6_id = myid;
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| 215 | CLR(pkt->icmp6_seq % MAX_DUP_CHK);
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| 216 |
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| 217 | gettimeofday((struct timeval *) &pkt->icmp6_data8[4], NULL);
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| 218 |
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| 219 | i = sendto(pingsock, packet, sizeof(packet), 0,
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| 220 | (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in6));
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| 221 |
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| 222 | if (i < 0)
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| 223 | bb_perror_msg_and_die("sendto");
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| 224 | else if ((size_t)i != sizeof(packet))
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| 225 | bb_error_msg_and_die("ping wrote %d chars; %d expected", i,
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| 226 | (int)sizeof(packet));
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| 227 |
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| 228 | signal(SIGALRM, sendping);
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| 229 | if (pingcount == 0 || ntransmitted < pingcount) { /* schedule next in 1s */
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| 230 | alarm(PINGINTERVAL);
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| 231 | } else { /* done, wait for the last ping to come back */
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| 232 | /* todo, don't necessarily need to wait so long... */
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| 233 | signal(SIGALRM, pingstats);
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| 234 | alarm(MAXWAIT);
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| 235 | }
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| 236 | }
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| 237 |
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| 238 | /* RFC3542 changed some definitions from RFC2292 for no good reason, whee !
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| 239 | * the newer 3542 uses a MLD_ prefix where as 2292 uses ICMP6_ prefix */
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| 240 | #ifndef MLD_LISTENER_QUERY
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| 241 | # define MLD_LISTENER_QUERY ICMP6_MEMBERSHIP_QUERY
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| 242 | #endif
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| 243 | #ifndef MLD_LISTENER_REPORT
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| 244 | # define MLD_LISTENER_REPORT ICMP6_MEMBERSHIP_REPORT
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| 245 | #endif
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| 246 | #ifndef MLD_LISTENER_REDUCTION
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| 247 | # define MLD_LISTENER_REDUCTION ICMP6_MEMBERSHIP_REDUCTION
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| 248 | #endif
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| 249 | static char *icmp6_type_name (int id)
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| 250 | {
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| 251 | switch (id) {
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| 252 | case ICMP6_DST_UNREACH: return "Destination Unreachable";
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| 253 | case ICMP6_PACKET_TOO_BIG: return "Packet too big";
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| 254 | case ICMP6_TIME_EXCEEDED: return "Time Exceeded";
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| 255 | case ICMP6_PARAM_PROB: return "Parameter Problem";
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| 256 | case ICMP6_ECHO_REPLY: return "Echo Reply";
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| 257 | case ICMP6_ECHO_REQUEST: return "Echo Request";
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| 258 | case MLD_LISTENER_QUERY: return "Listener Query";
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| 259 | case MLD_LISTENER_REPORT: return "Listener Report";
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| 260 | case MLD_LISTENER_REDUCTION: return "Listener Reduction";
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| 261 | default: return "unknown ICMP type";
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| 262 | }
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| 263 | }
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| 264 |
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| 265 | static void unpack(char *packet, int sz, struct sockaddr_in6 *from, int hoplimit)
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| 266 | {
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| 267 | struct icmp6_hdr *icmppkt;
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| 268 | struct timeval tv, *tp;
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| 269 | int dupflag;
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| 270 | unsigned long triptime;
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| 271 | char buf[INET6_ADDRSTRLEN];
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| 272 |
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| 273 | gettimeofday(&tv, NULL);
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| 274 |
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| 275 | /* discard if too short */
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| 276 | if (sz < (datalen + sizeof(struct icmp6_hdr)))
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| 277 | return;
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| 278 |
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| 279 | icmppkt = (struct icmp6_hdr *) packet;
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| 280 |
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| 281 | if (icmppkt->icmp6_id != myid)
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| 282 | return; /* not our ping */
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| 283 |
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| 284 | if (icmppkt->icmp6_type == ICMP6_ECHO_REPLY) {
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| 285 | ++nreceived;
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| 286 | tp = (struct timeval *) &icmppkt->icmp6_data8[4];
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| 287 |
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| 288 | if ((tv.tv_usec -= tp->tv_usec) < 0) {
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| 289 | --tv.tv_sec;
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| 290 | tv.tv_usec += 1000000;
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| 291 | }
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| 292 | tv.tv_sec -= tp->tv_sec;
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| 293 |
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| 294 | triptime = tv.tv_sec * 10000 + (tv.tv_usec / 100);
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| 295 | tsum += triptime;
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| 296 | if (triptime < tmin)
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| 297 | tmin = triptime;
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| 298 | if (triptime > tmax)
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| 299 | tmax = triptime;
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| 300 |
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| 301 | if (TST(icmppkt->icmp6_seq % MAX_DUP_CHK)) {
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| 302 | ++nrepeats;
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| 303 | --nreceived;
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| 304 | dupflag = 1;
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| 305 | } else {
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| 306 | SET(icmppkt->icmp6_seq % MAX_DUP_CHK);
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| 307 | dupflag = 0;
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| 308 | }
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| 309 |
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| 310 | if (options & O_QUIET)
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| 311 | return;
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| 312 |
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| 313 | printf("%d bytes from %s: icmp6_seq=%u", sz,
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| 314 | inet_ntop(AF_INET6, &pingaddr.sin6_addr,
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| 315 | buf, sizeof(buf)),
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| 316 | icmppkt->icmp6_seq);
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| 317 | printf(" ttl=%d time=%lu.%lu ms", hoplimit,
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| 318 | triptime / 10, triptime % 10);
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| 319 | if (dupflag)
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| 320 | printf(" (DUP!)");
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| 321 | printf("\n");
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| 322 | } else
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| 323 | if (icmppkt->icmp6_type != ICMP6_ECHO_REQUEST)
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| 324 | bb_error_msg("Warning: Got ICMP %d (%s)",
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| 325 | icmppkt->icmp6_type, icmp6_type_name (icmppkt->icmp6_type));
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| 326 | }
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| 327 |
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| 328 | static void ping(const char *host)
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| 329 | {
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| 330 | char packet[datalen + MAXIPLEN + MAXICMPLEN];
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| 331 | char buf[INET6_ADDRSTRLEN];
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| 332 | int sockopt;
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| 333 | struct msghdr msg;
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| 334 | struct sockaddr_in6 from;
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| 335 | struct iovec iov;
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| 336 | char control_buf[CMSG_SPACE(36)];
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| 337 |
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| 338 | pingsock = create_icmp6_socket();
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| 339 |
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| 340 | memset(&pingaddr, 0, sizeof(struct sockaddr_in));
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| 341 |
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| 342 | pingaddr.sin6_family = AF_INET6;
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| 343 | hostent = xgethostbyname2(host, AF_INET6);
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| 344 | if (hostent->h_addrtype != AF_INET6)
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| 345 | bb_error_msg_and_die("unknown address type; only AF_INET6 is currently supported.");
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| 346 |
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| 347 | memcpy(&pingaddr.sin6_addr, hostent->h_addr, sizeof(pingaddr.sin6_addr));
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| 348 |
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| 349 | #ifdef ICMP6_FILTER
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| 350 | {
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| 351 | struct icmp6_filter filt;
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| 352 | if (!(options & O_VERBOSE)) {
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| 353 | ICMP6_FILTER_SETBLOCKALL(&filt);
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| 354 | #if 0
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| 355 | if ((options & F_FQDN) || (options & F_FQDNOLD) ||
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| 356 | (options & F_NODEADDR) || (options & F_SUPTYPES))
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| 357 | ICMP6_FILTER_SETPASS(ICMP6_NI_REPLY, &filt);
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| 358 | else
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| 359 | #endif
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| 360 | ICMP6_FILTER_SETPASS(ICMP6_ECHO_REPLY, &filt);
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| 361 | } else {
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| 362 | ICMP6_FILTER_SETPASSALL(&filt);
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| 363 | }
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| 364 | if (setsockopt(pingsock, IPPROTO_ICMPV6, ICMP6_FILTER, &filt,
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| 365 | sizeof(filt)) < 0)
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| 366 | bb_error_msg_and_die("setsockopt(ICMP6_FILTER)");
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| 367 | }
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| 368 | #endif /*ICMP6_FILTER*/
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| 369 |
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| 370 | /* enable broadcast pings */
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| 371 | sockopt = 1;
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| 372 | setsockopt(pingsock, SOL_SOCKET, SO_BROADCAST, (char *) &sockopt,
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| 373 | sizeof(sockopt));
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| 374 |
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| 375 | /* set recv buf for broadcast pings */
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| 376 | sockopt = 48 * 1024;
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| 377 | setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, (char *) &sockopt,
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| 378 | sizeof(sockopt));
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| 379 |
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| 380 | sockopt = offsetof(struct icmp6_hdr, icmp6_cksum);
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| 381 | setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, (char *) &sockopt,
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| 382 | sizeof(sockopt));
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| 383 |
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| 384 | sockopt = 1;
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| 385 | setsockopt(pingsock, SOL_IPV6, IPV6_HOPLIMIT, (char *) &sockopt,
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| 386 | sizeof(sockopt));
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| 387 |
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| 388 | if (ifname) {
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| 389 | if ((pingaddr.sin6_scope_id = if_nametoindex(ifname)) == 0)
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| 390 | bb_error_msg_and_die("%s: invalid interface name", ifname);
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| 391 | }
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| 392 |
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| 393 | printf("PING %s (%s): %d data bytes\n",
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| 394 | hostent->h_name,
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| 395 | inet_ntop(AF_INET6, &pingaddr.sin6_addr,
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| 396 | buf, sizeof(buf)),
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| 397 | datalen);
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| 398 |
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| 399 | signal(SIGINT, pingstats);
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| 400 |
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| 401 | /* start the ping's going ... */
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| 402 | sendping(0);
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| 403 |
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| 404 | /* listen for replies */
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| 405 | msg.msg_name=&from;
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| 406 | msg.msg_namelen=sizeof(from);
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| 407 | msg.msg_iov=&iov;
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| 408 | msg.msg_iovlen=1;
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| 409 | msg.msg_control=control_buf;
|
---|
| 410 | iov.iov_base=packet;
|
---|
| 411 | iov.iov_len=sizeof(packet);
|
---|
| 412 | while (1) {
|
---|
| 413 | int c;
|
---|
| 414 | struct cmsghdr *cmsgptr = NULL;
|
---|
| 415 | int hoplimit=-1;
|
---|
| 416 | msg.msg_controllen=sizeof(control_buf);
|
---|
| 417 |
|
---|
| 418 | if ((c = recvmsg(pingsock, &msg, 0)) < 0) {
|
---|
| 419 | if (errno == EINTR)
|
---|
| 420 | continue;
|
---|
| 421 | bb_perror_msg("recvfrom");
|
---|
| 422 | continue;
|
---|
| 423 | }
|
---|
| 424 | for (cmsgptr = CMSG_FIRSTHDR(&msg); cmsgptr != NULL;
|
---|
| 425 | cmsgptr = CMSG_NXTHDR(&msg, cmsgptr)) {
|
---|
| 426 | if (cmsgptr->cmsg_level == SOL_IPV6 &&
|
---|
| 427 | cmsgptr->cmsg_type == IPV6_HOPLIMIT ) {
|
---|
| 428 | hoplimit=*(int*)CMSG_DATA(cmsgptr);
|
---|
| 429 | }
|
---|
| 430 | }
|
---|
| 431 | unpack(packet, c, &from, hoplimit);
|
---|
| 432 | if (pingcount > 0 && nreceived >= pingcount)
|
---|
| 433 | break;
|
---|
| 434 | }
|
---|
| 435 | pingstats(0);
|
---|
| 436 | }
|
---|
| 437 |
|
---|
| 438 | int ping6_main(int argc, char **argv)
|
---|
| 439 | {
|
---|
| 440 | char *thisarg;
|
---|
| 441 |
|
---|
| 442 | datalen = DEFDATALEN; /* initialized here rather than in global scope to work around gcc bug */
|
---|
| 443 |
|
---|
| 444 | argc--;
|
---|
| 445 | argv++;
|
---|
| 446 | options = 0;
|
---|
| 447 | /* Parse any options */
|
---|
| 448 | while (argc >= 1 && **argv == '-') {
|
---|
| 449 | thisarg = *argv;
|
---|
| 450 | thisarg++;
|
---|
| 451 | switch (*thisarg) {
|
---|
| 452 | case 'v':
|
---|
| 453 | options &= ~O_QUIET;
|
---|
| 454 | options |= O_VERBOSE;
|
---|
| 455 | break;
|
---|
| 456 | case 'q':
|
---|
| 457 | options &= ~O_VERBOSE;
|
---|
| 458 | options |= O_QUIET;
|
---|
| 459 | break;
|
---|
| 460 | case 'c':
|
---|
| 461 | if (--argc <= 0)
|
---|
| 462 | bb_show_usage();
|
---|
| 463 | argv++;
|
---|
| 464 | pingcount = atoi(*argv);
|
---|
| 465 | break;
|
---|
| 466 | case 's':
|
---|
| 467 | if (--argc <= 0)
|
---|
| 468 | bb_show_usage();
|
---|
| 469 | argv++;
|
---|
| 470 | datalen = atoi(*argv);
|
---|
| 471 | break;
|
---|
| 472 | case 'I':
|
---|
| 473 | if (--argc <= 0)
|
---|
| 474 | bb_show_usage();
|
---|
| 475 | argv++;
|
---|
| 476 | ifname = *argv;
|
---|
| 477 | break;
|
---|
| 478 | default:
|
---|
| 479 | bb_show_usage();
|
---|
| 480 | }
|
---|
| 481 | argc--;
|
---|
| 482 | argv++;
|
---|
| 483 | }
|
---|
| 484 | if (argc < 1)
|
---|
| 485 | bb_show_usage();
|
---|
| 486 |
|
---|
| 487 | myid = getpid() & 0xFFFF;
|
---|
| 488 | ping(*argv);
|
---|
| 489 | return EXIT_SUCCESS;
|
---|
| 490 | }
|
---|
| 491 | #endif /* ! CONFIG_FEATURE_FANCY_PING6 */
|
---|
| 492 |
|
---|
| 493 | /*
|
---|
| 494 | * Copyright (c) 1989 The Regents of the University of California.
|
---|
| 495 | * All rights reserved.
|
---|
| 496 | *
|
---|
| 497 | * This code is derived from software contributed to Berkeley by
|
---|
| 498 | * Mike Muuss.
|
---|
| 499 | *
|
---|
| 500 | * Redistribution and use in source and binary forms, with or without
|
---|
| 501 | * modification, are permitted provided that the following conditions
|
---|
| 502 | * are met:
|
---|
| 503 | * 1. Redistributions of source code must retain the above copyright
|
---|
| 504 | * notice, this list of conditions and the following disclaimer.
|
---|
| 505 | * 2. Redistributions in binary form must reproduce the above copyright
|
---|
| 506 | * notice, this list of conditions and the following disclaimer in the
|
---|
| 507 | * documentation and/or other materials provided with the distribution.
|
---|
| 508 | *
|
---|
| 509 | * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
|
---|
| 510 | * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
|
---|
| 511 | *
|
---|
| 512 | * 4. Neither the name of the University nor the names of its contributors
|
---|
| 513 | * may be used to endorse or promote products derived from this software
|
---|
| 514 | * without specific prior written permission.
|
---|
| 515 | *
|
---|
| 516 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
---|
| 517 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
---|
| 518 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
---|
| 519 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
---|
| 520 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
---|
| 521 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
---|
| 522 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
---|
| 523 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
---|
| 524 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
---|
| 525 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
---|
| 526 | * SUCH DAMAGE.
|
---|
| 527 | */
|
---|