From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 13:58:15 +0100 Subject: patch to Vanilla Tomato 1.28 --- release/src/router/busybox/networking/ping6.c | 515 -------------------------- 1 file changed, 515 deletions(-) delete mode 100644 release/src/router/busybox/networking/ping6.c (limited to 'release/src/router/busybox/networking/ping6.c') 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 - * - * 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 - */ - -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include /* 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. - * - * 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. - */ -- cgit v1.2.3-54-g00ecf