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Diffstat (limited to 'release/src/router/busybox/networking/ping6.c')
-rw-r--r--release/src/router/busybox/networking/ping6.c515
1 files changed, 0 insertions, 515 deletions
diff --git a/release/src/router/busybox/networking/ping6.c b/release/src/router/busybox/networking/ping6.c
deleted file mode 100644
index b68794c3..00000000
--- a/release/src/router/busybox/networking/ping6.c
+++ /dev/null
@@ -1,515 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * $Id: ping6.c,v 1.1.3.1 2004/12/29 07:07:46 honor Exp $
- * Mini ping implementation for busybox
- *
- * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * This version of ping is adapted from the ping in netkit-base 0.10,
- * which is:
- *
- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Mike Muuss.
- *
- * Original copyright notice is retained at the end of this file.
- *
- * This version is an adaptation of ping.c from busybox.
- * The code was modified by Bart Visscher <magick@linux-fan.com>
- */
-
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/file.h>
-#include <sys/time.h>
-#include <sys/times.h>
-#include <sys/signal.h>
-
-#include <netinet/in.h>
-#include <netinet/ip6.h>
-#include <netinet/icmp6.h>
-#include <arpa/inet.h>
-#include <net/if.h>
-#include <netdb.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stddef.h> /* offsetof */
-#include "busybox.h"
-
-static const int DEFDATALEN = 56;
-static const int MAXIPLEN = 60;
-static const int MAXICMPLEN = 76;
-static const int MAXPACKET = 65468;
-#define MAX_DUP_CHK (8 * 128)
-static const int MAXWAIT = 10;
-static const int PINGINTERVAL = 1; /* second */
-
-#define O_QUIET (1 << 0)
-#define O_VERBOSE (1 << 1)
-
-#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))
-
-static void ping(const char *host);
-
-/* simple version */
-#ifndef CONFIG_FEATURE_FANCY_PING6
-static struct hostent *h;
-
-void noresp(int ign)
-{
- printf("No response from %s\n", h->h_name);
- exit(EXIT_FAILURE);
-}
-
-static void ping(const char *host)
-{
- struct sockaddr_in6 pingaddr;
- struct icmp6_hdr *pkt;
- int pingsock, c;
- int sockopt;
- char packet[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
-
- pingsock = create_icmp6_socket();
-
- memset(&pingaddr, 0, sizeof(struct sockaddr_in));
-
- pingaddr.sin6_family = AF_INET6;
- h = xgethostbyname2(host, AF_INET6);
- memcpy(&pingaddr.sin6_addr, h->h_addr, sizeof(pingaddr.sin6_addr));
-
- pkt = (struct icmp6_hdr *) packet;
- memset(pkt, 0, sizeof(packet));
- pkt->icmp6_type = ICMP6_ECHO_REQUEST;
-
- sockopt = offsetof(struct icmp6_hdr, icmp6_cksum);
- setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, (char *) &sockopt,
- sizeof(sockopt));
-
- c = sendto(pingsock, packet, sizeof(packet), 0,
- (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in6));
-
- if (c < 0 || c != sizeof(packet))
- bb_perror_msg_and_die("sendto");
-
- signal(SIGALRM, noresp);
- alarm(5); /* give the host 5000ms to respond */
- /* listen for replies */
- while (1) {
- struct sockaddr_in6 from;
- size_t fromlen = sizeof(from);
-
- if ((c = recvfrom(pingsock, packet, sizeof(packet), 0,
- (struct sockaddr *) &from, &fromlen)) < 0) {
- if (errno == EINTR)
- continue;
- bb_perror_msg("recvfrom");
- continue;
- }
- if (c >= 8) { /* icmp6_hdr */
- pkt = (struct icmp6_hdr *) packet;
- if (pkt->icmp6_type == ICMP6_ECHO_REPLY)
- break;
- }
- }
- printf("%s is alive!\n", h->h_name);
- return;
-}
-
-extern int ping6_main(int argc, char **argv)
-{
- argc--;
- argv++;
- if (argc < 1)
- bb_show_usage();
- ping(*argv);
- return EXIT_SUCCESS;
-}
-
-#else /* ! CONFIG_FEATURE_FANCY_PING6 */
-/* full(er) version */
-static struct sockaddr_in6 pingaddr;
-static int pingsock = -1;
-static int datalen; /* intentionally uninitialized to work around gcc bug */
-static char* ifname;
-
-static long ntransmitted, nreceived, nrepeats, pingcount;
-static int myid, options;
-static unsigned long tmin = ULONG_MAX, tmax, tsum;
-static char rcvd_tbl[MAX_DUP_CHK / 8];
-
-# ifdef CONFIG_FEATURE_FANCY_PING
-extern
-# endif
- struct hostent *hostent;
-
-static void sendping(int);
-static void pingstats(int);
-static void unpack(char *, int, struct sockaddr_in6 *, int);
-
-/**************************************************************************/
-
-static void pingstats(int junk)
-{
- int status;
-
- signal(SIGINT, SIG_IGN);
-
- printf("\n--- %s ping statistics ---\n", hostent->h_name);
- printf("%ld packets transmitted, ", ntransmitted);
- printf("%ld packets received, ", nreceived);
- if (nrepeats)
- printf("%ld duplicates, ", nrepeats);
- if (ntransmitted)
- printf("%ld%% packet loss\n",
- (ntransmitted - nreceived) * 100 / ntransmitted);
- if (nreceived)
- printf("round-trip min/avg/max = %lu.%lu/%lu.%lu/%lu.%lu ms\n",
- tmin / 10, tmin % 10,
- (tsum / (nreceived + nrepeats)) / 10,
- (tsum / (nreceived + nrepeats)) % 10, tmax / 10, tmax % 10);
- if (nreceived != 0)
- status = EXIT_SUCCESS;
- else
- status = EXIT_FAILURE;
- exit(status);
-}
-
-static void sendping(int junk)
-{
- struct icmp6_hdr *pkt;
- int i;
- char packet[datalen + 8];
-
- pkt = (struct icmp6_hdr *) packet;
-
- pkt->icmp6_type = ICMP6_ECHO_REQUEST;
- pkt->icmp6_code = 0;
- pkt->icmp6_cksum = 0;
- pkt->icmp6_seq = ntransmitted++;
- pkt->icmp6_id = myid;
- CLR(pkt->icmp6_seq % MAX_DUP_CHK);
-
- gettimeofday((struct timeval *) &pkt->icmp6_data8[4], NULL);
-
- i = sendto(pingsock, packet, sizeof(packet), 0,
- (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in6));
-
- if (i < 0)
- bb_perror_msg_and_die("sendto");
- else if ((size_t)i != sizeof(packet))
- bb_error_msg_and_die("ping wrote %d chars; %d expected", i,
- (int)sizeof(packet));
-
- signal(SIGALRM, sendping);
- if (pingcount == 0 || ntransmitted < pingcount) { /* schedule next in 1s */
- alarm(PINGINTERVAL);
- } else { /* done, wait for the last ping to come back */
- /* todo, don't necessarily need to wait so long... */
- signal(SIGALRM, pingstats);
- alarm(MAXWAIT);
- }
-}
-
-static char *icmp6_type_name (int id)
-{
- switch (id) {
- case ICMP6_DST_UNREACH: return "Destination Unreachable";
- case ICMP6_PACKET_TOO_BIG: return "Packet too big";
- case ICMP6_TIME_EXCEEDED: return "Time Exceeded";
- case ICMP6_PARAM_PROB: return "Parameter Problem";
- case ICMP6_ECHO_REPLY: return "Echo Reply";
- case ICMP6_ECHO_REQUEST: return "Echo Request";
- case ICMP6_MEMBERSHIP_QUERY: return "Membership Query";
- case ICMP6_MEMBERSHIP_REPORT: return "Membership Report";
- case ICMP6_MEMBERSHIP_REDUCTION: return "Membership Reduction";
- default: return "unknown ICMP type";
- }
-}
-
-static void unpack(char *packet, int sz, struct sockaddr_in6 *from, int hoplimit)
-{
- struct icmp6_hdr *icmppkt;
- struct timeval tv, *tp;
- int dupflag;
- unsigned long triptime;
- char buf[INET6_ADDRSTRLEN];
-
- gettimeofday(&tv, NULL);
-
- /* discard if too short */
- if (sz < (datalen + sizeof(struct icmp6_hdr)))
- return;
-
- icmppkt = (struct icmp6_hdr *) packet;
-
- if (icmppkt->icmp6_id != myid)
- return; /* not our ping */
-
- if (icmppkt->icmp6_type == ICMP6_ECHO_REPLY) {
- ++nreceived;
- tp = (struct timeval *) &icmppkt->icmp6_data8[4];
-
- if ((tv.tv_usec -= tp->tv_usec) < 0) {
- --tv.tv_sec;
- tv.tv_usec += 1000000;
- }
- tv.tv_sec -= tp->tv_sec;
-
- triptime = tv.tv_sec * 10000 + (tv.tv_usec / 100);
- tsum += triptime;
- if (triptime < tmin)
- tmin = triptime;
- if (triptime > tmax)
- tmax = triptime;
-
- if (TST(icmppkt->icmp6_seq % MAX_DUP_CHK)) {
- ++nrepeats;
- --nreceived;
- dupflag = 1;
- } else {
- SET(icmppkt->icmp6_seq % MAX_DUP_CHK);
- dupflag = 0;
- }
-
- if (options & O_QUIET)
- return;
-
- printf("%d bytes from %s: icmp6_seq=%u", sz,
- inet_ntop(AF_INET6, (struct in_addr6 *) &pingaddr.sin6_addr,
- buf, sizeof(buf)),
- icmppkt->icmp6_seq);
- printf(" ttl=%d time=%lu.%lu ms", hoplimit,
- triptime / 10, triptime % 10);
- if (dupflag)
- printf(" (DUP!)");
- printf("\n");
- } else
- if (icmppkt->icmp6_type != ICMP6_ECHO_REQUEST)
- bb_error_msg("Warning: Got ICMP %d (%s)",
- icmppkt->icmp6_type, icmp6_type_name (icmppkt->icmp6_type));
-}
-
-static void ping(const char *host)
-{
- char packet[datalen + MAXIPLEN + MAXICMPLEN];
- char buf[INET6_ADDRSTRLEN];
- int sockopt;
- struct msghdr msg;
- struct sockaddr_in6 from;
- struct iovec iov;
- char control_buf[CMSG_SPACE(36)];
-
- pingsock = create_icmp6_socket();
-
- memset(&pingaddr, 0, sizeof(struct sockaddr_in));
-
- pingaddr.sin6_family = AF_INET6;
- hostent = xgethostbyname2(host, AF_INET6);
- if (hostent->h_addrtype != AF_INET6)
- bb_error_msg_and_die("unknown address type; only AF_INET6 is currently supported.");
-
- memcpy(&pingaddr.sin6_addr, hostent->h_addr, sizeof(pingaddr.sin6_addr));
-
-#ifdef ICMP6_FILTER
- {
- struct icmp6_filter filt;
- if (!(options & O_VERBOSE)) {
- ICMP6_FILTER_SETBLOCKALL(&filt);
-#if 0
- if ((options & F_FQDN) || (options & F_FQDNOLD) ||
- (options & F_NODEADDR) || (options & F_SUPTYPES))
- ICMP6_FILTER_SETPASS(ICMP6_NI_REPLY, &filt);
- else
-#endif
- ICMP6_FILTER_SETPASS(ICMP6_ECHO_REPLY, &filt);
- } else {
- ICMP6_FILTER_SETPASSALL(&filt);
- }
- if (setsockopt(pingsock, IPPROTO_ICMPV6, ICMP6_FILTER, &filt,
- sizeof(filt)) < 0)
- bb_error_msg_and_die("setsockopt(ICMP6_FILTER)");
- }
-#endif /*ICMP6_FILTER*/
-
- /* enable broadcast pings */
- sockopt = 1;
- setsockopt(pingsock, SOL_SOCKET, SO_BROADCAST, (char *) &sockopt,
- sizeof(sockopt));
-
- /* set recv buf for broadcast pings */
- sockopt = 48 * 1024;
- setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, (char *) &sockopt,
- sizeof(sockopt));
-
- sockopt = offsetof(struct icmp6_hdr, icmp6_cksum);
- setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, (char *) &sockopt,
- sizeof(sockopt));
-
- sockopt = 1;
- setsockopt(pingsock, SOL_IPV6, IPV6_HOPLIMIT, (char *) &sockopt,
- sizeof(sockopt));
-
- if (ifname) {
- if ((pingaddr.sin6_scope_id = if_nametoindex(ifname)) == 0)
- bb_error_msg_and_die("%s: invalid interface name", ifname);
- }
-
- printf("PING %s (%s): %d data bytes\n",
- hostent->h_name,
- inet_ntop(AF_INET6, (struct in_addr6 *) &pingaddr.sin6_addr,
- buf, sizeof(buf)),
- datalen);
-
- signal(SIGINT, pingstats);
-
- /* start the ping's going ... */
- sendping(0);
-
- /* listen for replies */
- msg.msg_name=&from;
- msg.msg_namelen=sizeof(from);
- msg.msg_iov=&iov;
- msg.msg_iovlen=1;
- msg.msg_control=control_buf;
- iov.iov_base=packet;
- iov.iov_len=sizeof(packet);
- while (1) {
- int c;
- struct cmsghdr *cmsgptr = NULL;
- int hoplimit=-1;
- msg.msg_controllen=sizeof(control_buf);
-
- if ((c = recvmsg(pingsock, &msg, 0)) < 0) {
- if (errno == EINTR)
- continue;
- bb_perror_msg("recvfrom");
- continue;
- }
- for (cmsgptr = CMSG_FIRSTHDR(&msg); cmsgptr != NULL;
- cmsgptr = CMSG_NXTHDR(&msg, cmsgptr)) {
- if (cmsgptr->cmsg_level == SOL_IPV6 &&
- cmsgptr->cmsg_type == IPV6_HOPLIMIT ) {
- hoplimit=*(int*)CMSG_DATA(cmsgptr);
- }
- }
- unpack(packet, c, &from, hoplimit);
- if (pingcount > 0 && nreceived >= pingcount)
- break;
- }
- pingstats(0);
-}
-
-extern int ping6_main(int argc, char **argv)
-{
- char *thisarg;
-
- datalen = DEFDATALEN; /* initialized here rather than in global scope to work around gcc bug */
-
- argc--;
- argv++;
- options = 0;
- /* Parse any options */
- while (argc >= 1 && **argv == '-') {
- thisarg = *argv;
- thisarg++;
- switch (*thisarg) {
- case 'v':
- options &= ~O_QUIET;
- options |= O_VERBOSE;
- break;
- case 'q':
- options &= ~O_VERBOSE;
- options |= O_QUIET;
- break;
- case 'c':
- if (--argc <= 0)
- bb_show_usage();
- argv++;
- pingcount = atoi(*argv);
- break;
- case 's':
- if (--argc <= 0)
- bb_show_usage();
- argv++;
- datalen = atoi(*argv);
- break;
- case 'I':
- if (--argc <= 0)
- bb_show_usage();
- argv++;
- ifname = *argv;
- break;
- default:
- bb_show_usage();
- }
- argc--;
- argv++;
- }
- if (argc < 1)
- bb_show_usage();
-
- myid = getpid() & 0xFFFF;
- ping(*argv);
- return EXIT_SUCCESS;
-}
-#endif /* ! CONFIG_FEATURE_FANCY_PING6 */
-
-/*
- * Copyright (c) 1989 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. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
- * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
- *
- * 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.
- */