diff options
author | Elliott Hughes <enh@google.com> | 2013-07-08 17:43:05 +0000 |
---|---|---|
committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2013-07-08 17:43:05 +0000 |
commit | 27b522d7ed017d9a567236851d3568b157c210b4 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 | |
parent | 360f71adc9c5fcf6dafb1d4258d4a6c1e5022dd2 (diff) | |
parent | 81703a31e04f987af029b9005c5e90bee81658c1 (diff) | |
download | ping6-main.tar.gz |
Merge "Delete the NetBSD ping6."HEADmastermainjb-mr1.1-dev-plus-aosp
-rw-r--r-- | Android.mk | 7 | ||||
-rw-r--r-- | CleanSpec.mk | 49 | ||||
-rw-r--r-- | NOTICE | 57 | ||||
-rw-r--r-- | ping6.c | 2696 |
4 files changed, 0 insertions, 2809 deletions
diff --git a/Android.mk b/Android.mk deleted file mode 100644 index d20d1c1..0000000 --- a/Android.mk +++ /dev/null @@ -1,7 +0,0 @@ -LOCAL_PATH:= $(call my-dir) - -include $(CLEAR_VARS) -LOCAL_SRC_FILES:= ping6.c -LOCAL_MODULE := ping6 -LOCAL_MODULE_TAGS := debug -include $(BUILD_EXECUTABLE) diff --git a/CleanSpec.mk b/CleanSpec.mk deleted file mode 100644 index b84e1b6..0000000 --- a/CleanSpec.mk +++ /dev/null @@ -1,49 +0,0 @@ -# Copyright (C) 2007 The Android Open Source Project -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -# - -# If you don't need to do a full clean build but would like to touch -# a file or delete some intermediate files, add a clean step to the end -# of the list. These steps will only be run once, if they haven't been -# run before. -# -# E.g.: -# $(call add-clean-step, touch -c external/sqlite/sqlite3.h) -# $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libz_intermediates) -# -# Always use "touch -c" and "rm -f" or "rm -rf" to gracefully deal with -# files that are missing or have been moved. -# -# Use $(PRODUCT_OUT) to get to the "out/target/product/blah/" directory. -# Use $(OUT_DIR) to refer to the "out" directory. -# -# If you need to re-do something that's already mentioned, just copy -# the command and add it to the bottom of the list. E.g., if a change -# that you made last week required touching a file and a change you -# made today requires touching the same file, just copy the old -# touch step and add it to the end of the list. -# -# ************************************************ -# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST -# ************************************************ - -# For example: -#$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/AndroidTests_intermediates) -#$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/core_intermediates) -#$(call add-clean-step, find $(OUT_DIR) -type f -name "IGTalkSession*" -print0 | xargs -0 rm -f) -#$(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/*) - -# ************************************************ -# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST -# ************************************************ @@ -1,57 +0,0 @@ -Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. -2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. -3. Neither the name of the project nor the names of its contributors - may be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE -FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -SUCH DAMAGE. - - -Copyright (c) 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. 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. diff --git a/ping6.c b/ping6.c deleted file mode 100644 index fc1eb84..0000000 --- a/ping6.c +++ /dev/null @@ -1,2696 +0,0 @@ -/* $NetBSD: ping6.c,v 1.73 2010/09/20 11:49:48 ahoka Exp $ */ -/* $KAME: ping6.c,v 1.164 2002/11/16 14:05:37 itojun Exp $ */ - -/* - * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the project nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* 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. 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. - */ - -#if 0 -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1989, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)ping.c 8.1 (Berkeley) 6/5/93"; -#endif /* not lint */ -#else -#include <sys/cdefs.h> -#ifndef lint -__RCSID("$NetBSD: ping6.c,v 1.73 2010/09/20 11:49:48 ahoka Exp $"); -#endif -#endif - -/* - * 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 people object 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.h> -#include <netinet/ip6.h> -#include <netinet/icmp6.h> -#include <arpa/inet.h> -#include <arpa/nameser.h> -#include <netdb.h> - -#include <ctype.h> -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <math.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <poll.h> - -#include <private/android_filesystem_config.h> - -#ifdef IPSEC -#include <netinet6/ah.h> -#include <netinet6/ipsec.h> -#endif - -/* - * We currently don't have the libc support required for these two features in - * Android. Should we get enough support later, feel free to remove the #ifdefs - * altogether. - */ -#undef ANDROID_INCLUDE_MD5_SUPPORT -#undef ANDROID_INCLUDE_RTHDR_SUPPORT - -#ifdef ANDROID_INCLUDE_MD5_SUPPORT -#include <md5.h> -#endif - -struct tv32 { - u_int32_t tv32_sec; - u_int32_t tv32_usec; -}; - -#define MAXPACKETLEN 131072 -#define IP6LEN 40 -#define ICMP6ECHOLEN 8 /* icmp echo header len excluding time */ -#define ICMP6ECHOTMLEN sizeof(struct tv32) -#define ICMP6_NIQLEN (ICMP6ECHOLEN + 8) -/* FQDN case, 64 bits of nonce + 32 bits ttl */ -#define ICMP6_NIRLEN (ICMP6ECHOLEN + 12) -#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_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 0x0400 -#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 -#define F_SRCADDR 0x4000 -#ifdef IPV6_REACHCONF -#define F_REACHCONF 0x8000 -#endif -#define F_HOSTNAME 0x10000 -#define F_FQDNOLD 0x20000 -#define F_NIGROUP 0x40000 -#define F_SUPTYPES 0x80000 -#define F_NOMINMTU 0x100000 -#define F_NOUSERDATA (F_NODEADDR | F_FQDN | F_FQDNOLD | F_SUPTYPES) -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)) - -/* Android-specific hacks to get this to compile.*/ -#define INFTIM -1 -#define MAXDNAME 1025 - -/* - * 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 */ -socklen_t srclen; -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 */ -u_int8_t nonce[8]; /* nonce field for node information */ -int hoplimit = -1; /* hoplimit */ -int pathmtu = 0; /* path MTU for the destination. 0 = unspec. */ - -/* 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 */ -struct timeval interval = {1, 0}; /* interval between packets */ - -/* 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 */ -double tsumsq = 0.0; /* sum of all times squared, for std. dev. */ - -/* for node addresses */ -u_short naflags; - -/* for ancillary data(advanced API) */ -struct msghdr smsghdr; -struct iovec smsgiov; -char *scmsg = 0; - -volatile sig_atomic_t seenalrm; -volatile sig_atomic_t seenint; -#ifdef SIGINFO -volatile sig_atomic_t seeninfo; -#endif - -void fill(char *, char *); -int get_hoplim(struct msghdr *); -int get_pathmtu(struct msghdr *); -struct in6_pktinfo *get_rcvpktinfo(struct msghdr *); -void onsignal(int); -void retransmit(void); -void onint(int); -size_t pingerlen(void); -int pinger(void); -const char *pr_addr(struct sockaddr *, int); -void pr_icmph(struct icmp6_hdr *, u_char *); -void pr_iph(struct ip6_hdr *); -void pr_suptypes(struct icmp6_nodeinfo *, size_t); -void pr_nodeaddr(struct icmp6_nodeinfo *, int); -int myechoreply(const struct icmp6_hdr *); -int mynireply(const struct icmp6_nodeinfo *); -char *dnsdecode(const u_char **, const u_char *, const u_char *, - char *, size_t); -void pr_pack(u_char *, int, struct msghdr *); -void pr_exthdrs(struct msghdr *); -#ifdef ANDROID_INCLUDE_RTHDR_SUPPORT -void pr_ip6opt(void *); -void pr_rthdr(void *); -#endif -int pr_bitrange(u_int32_t, int, int); -void pr_retip(struct ip6_hdr *, u_char *); -void summary(void); -void tvsub(struct timeval *, struct timeval *); -int setpolicy(int, char *); -#ifdef ANDROID_INCLUDE_MD5_SUPPORT -char *nigroup(char *); -#endif -void usage(void); - -int -isInSupplementaryGroup(gid_t group) -{ - int numgroups, i; - gid_t groups[sysconf(_SC_NGROUPS_MAX) + 1]; - numgroups = getgroups(sizeof(groups) / sizeof(groups[0]), groups); - if (numgroups < 0) { - perror("getgroups"); - return 0; - } - for (i = 0; i < numgroups; i++) { - if (group == groups[i]) - return 1; - } - return 0; -} - -int -main(int argc, char *argv[]) -{ - struct itimerval itimer; - struct sockaddr_in6 from; - int timeout; - struct addrinfo hints; - struct pollfd fdmaskp[1]; - int cc; - u_int i, packlen; - int ch, hold, preload, optval, ret_ga; - u_char *datap, *packet; - char *e, *target, *ifname = NULL, *gateway = NULL; - int ip6optlen = 0; - struct cmsghdr *scmsgp = NULL; -#if defined(SO_SNDBUF) && defined(SO_RCVBUF) - u_long lsockbufsize; - int sockbufsize = 0; -#endif - int usepktinfo = 0; - struct in6_pktinfo *pktinfo = NULL; -#ifdef ANDROID_INCLUDE_RTHDR_SUPPORT - struct ip6_rthdr *rthdr = NULL; -#endif -#ifdef IPSEC_POLICY_IPSEC - char *policy_in = NULL; - char *policy_out = NULL; -#endif - double intval; - size_t rthlen; -#ifdef IPV6_USE_MIN_MTU - int mflag = 0; -#endif - - if (getuid() != 0 && !isInSupplementaryGroup(AID_INET)) { - fprintf(stderr, "%s: not root or in group AID_INET\n", argv[0]); - exit(3); - } - - /* just to be sure */ - memset(&smsghdr, 0, sizeof(smsghdr)); - memset(&smsgiov, 0, sizeof(smsgiov)); - - preload = 0; - datap = &outpack[ICMP6ECHOLEN + ICMP6ECHOTMLEN]; -#ifndef IPSEC -#define ADDOPTS -#else -#ifdef IPSEC_POLICY_IPSEC -#define ADDOPTS "P:" -#else -#define ADDOPTS "AE" -#endif /*IPSEC_POLICY_IPSEC*/ -#endif - -#ifdef ANDROID_INCLUDE_MD5_SUPPORT -#define ANDROID_MD5_OPTS "N" -#else -#define ANDROID_MD5_OPTS "" -#endif - while ((ch = getopt(argc, argv, - "a:b:c:dfHg:h:I:i:l:mnp:qRS:s:tvwW" ADDOPTS ANDROID_MD5_OPTS)) != -1) { -#undef ADDOPTS - switch (ch) { - case 'a': - { - char *cp; - - options &= ~F_NOUSERDATA; - options |= F_NODEADDR; - for (cp = optarg; *cp != '\0'; cp++) { - switch (*cp) { - case 'a': - naflags |= NI_NODEADDR_FLAG_ALL; - break; - case 'c': - case 'C': - naflags |= NI_NODEADDR_FLAG_COMPAT; - 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 */ -#ifdef NI_NODEADDR_FLAG_ANYCAST - naflags |= NI_NODEADDR_FLAG_ANYCAST; - break; -#else - errx(1, -"-a A is not supported on the platform"); - /*NOTREACHED*/ -#endif - default: - usage(); - /*NOTREACHED*/ - } - } - break; - } - case 'b': -#if defined(SO_SNDBUF) && defined(SO_RCVBUF) - errno = 0; - e = NULL; - lsockbufsize = strtoul(optarg, &e, 10); - sockbufsize = lsockbufsize; - if (errno || !*optarg || *e || - (u_long)sockbufsize != lsockbufsize) - errx(1, "invalid socket buffer size"); -#else - errx(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 'g': - gateway = optarg; - break; - case 'H': - options |= F_HOSTNAME; - break; - case 'h': /* hoplimit */ - hoplimit = strtol(optarg, &e, 10); - if (*optarg == '\0' || *e != '\0') - errx(1, "illegal hoplimit %s", optarg); - if (255 < hoplimit || hoplimit < -1) - errx(1, - "illegal hoplimit -- %s", optarg); - break; - case 'I': - ifname = optarg; - options |= F_INTERFACE; -#ifndef USE_SIN6_SCOPE_ID - usepktinfo++; -#endif - break; - case 'i': /* wait between sending packets */ - intval = strtod(optarg, &e); - if (*optarg == '\0' || *e != '\0') - errx(1, "illegal timing interval %s", optarg); - if (intval < 1 && getuid()) { - errx(1, "%s: only root may use interval < 1s", - strerror(EPERM)); - } - interval.tv_sec = (long)intval; - interval.tv_usec = - (long)((intval - interval.tv_sec) * 1000000); - if (interval.tv_sec < 0) - errx(1, "illegal timing interval %s", optarg); - /* less than 1/hz does not make sense */ - if (interval.tv_sec == 0 && interval.tv_usec < 10000) { - warnx("too small interval, raised to 0.01"); - interval.tv_usec = 10000; - } - options |= F_INTERVAL; - break; - case 'l': - if (getuid()) { - errno = EPERM; - errx(1, "Must be superuser to preload"); - } - preload = strtol(optarg, &e, 10); - if (preload < 0 || *optarg == '\0' || *e != '\0') - errx(1, "illegal preload value -- %s", optarg); - break; - case 'm': -#ifdef IPV6_USE_MIN_MTU - mflag++; - break; -#else - errx(1, "-%c is not supported on this platform", ch); - /*NOTREACHED*/ -#endif - case 'n': - options &= ~F_HOSTNAME; - break; -#ifdef ANDROID_INCLUDE_MD5_SUPPORT - case 'N': - options |= F_NIGROUP; - break; -#endif - case 'p': /* fill buffer with user pattern */ - options |= F_PINGFILLED; - fill((char *)datap, optarg); - break; - case 'q': - options |= F_QUIET; - break; - case 'R': -#ifdef IPV6_REACHCONF - options |= F_REACHCONF; - break; -#else - errx(1, "-R is not supported in this configuration"); -#endif - case 'S': - memset(&hints, 0, sizeof(struct addrinfo)); - hints.ai_flags = AI_NUMERICHOST; /* allow hostname? */ - hints.ai_family = AF_INET6; - hints.ai_socktype = SOCK_RAW; - hints.ai_protocol = IPPROTO_ICMPV6; - - ret_ga = getaddrinfo(optarg, NULL, &hints, &res); - if (ret_ga) { - errx(1, "invalid source address: %s", - gai_strerror(ret_ga)); - } - /* - * res->ai_family must be AF_INET6 and res->ai_addrlen - * must be sizeof(src). - */ - memcpy(&src, res->ai_addr, res->ai_addrlen); - srclen = res->ai_addrlen; - freeaddrinfo(res); - options |= F_SRCADDR; - 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 't': - options &= ~F_NOUSERDATA; - options |= F_SUPTYPES; - break; - case 'v': - options |= F_VERBOSE; - break; - case 'w': - options &= ~F_NOUSERDATA; - options |= F_FQDN; - break; - case 'W': - options &= ~F_NOUSERDATA; - options |= F_FQDNOLD; - break; -#ifdef IPSEC -#ifdef IPSEC_POLICY_IPSEC - case 'P': - options |= F_POLICY; - if (!strncmp("in", optarg, 2)) { - if ((policy_in = strdup(optarg)) == NULL) - errx(1, "strdup"); - } else if (!strncmp("out", optarg, 3)) { - if ((policy_out = strdup(optarg)) == NULL) - errx(1, "strdup"); - } 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(); - /*NOTREACHED*/ - } - } - - argc -= optind; - argv += optind; - - if (argc < 1) { - usage(); - /*NOTREACHED*/ - } - - if (argc > 1) { -#ifdef ANDROID_INCLUDE_RTHDR_SUPPORT - rthlen = CMSG_SPACE(inet6_rth_space(IPV6_RTHDR_TYPE_0, - argc - 1)); - if (rthlen == 0) { - errx(1, "too many intermediate hops"); - /*NOTREACHED*/ - } - ip6optlen += rthlen; -#else - errx(1, "compiled without support for routing headers"); -#endif - } - -#ifdef ANDROID_INCLUDE_MD5_SUPPORT - if (options & F_NIGROUP) { - target = nigroup(argv[argc - 1]); - if (target == NULL) { - usage(); - /*NOTREACHED*/ - } - } else -#endif - target = argv[argc - 1]; - - /* getaddrinfo */ - memset(&hints, 0, sizeof(struct addrinfo)); - 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) - errx(1, "%s", gai_strerror(ret_ga)); - 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 ((s = socket(res->ai_family, res->ai_socktype, - res->ai_protocol)) < 0) - err(1, "socket"); - - /* set the source address if specified. */ - if ((options & F_SRCADDR) && - bind(s, (struct sockaddr *)&src, srclen) != 0) { - err(1, "bind"); - } - - /* set the gateway (next hop) if specified */ - if (gateway) { - struct addrinfo ghints, *gres; - int error; - - memset(&ghints, 0, sizeof(ghints)); - ghints.ai_family = AF_INET6; - ghints.ai_socktype = SOCK_RAW; - ghints.ai_protocol = IPPROTO_ICMPV6; - - error = getaddrinfo(gateway, NULL, &hints, &gres); - if (error) { - errx(1, "getaddrinfo for the gateway %s: %s", - gateway, gai_strerror(error)); - } - if (gres->ai_next && (options & F_VERBOSE)) - warnx("gateway resolves to multiple addresses"); - - if (setsockopt(s, IPPROTO_IPV6, IPV6_NEXTHOP, - gres->ai_addr, gres->ai_addrlen)) { - err(1, "setsockopt(IPV6_NEXTHOP)"); - } - - freeaddrinfo(gres); - } - - /* - * let the kerel pass extension headers of incoming packets, - * for privileged socket options - */ - if ((options & F_VERBOSE) != 0) { - int opton = 1; - -#ifdef IPV6_RECVHOPOPTS - if (setsockopt(s, IPPROTO_IPV6, IPV6_RECVHOPOPTS, &opton, - sizeof(opton))) - err(1, "setsockopt(IPV6_RECVHOPOPTS)"); -#else /* old adv. API */ - if (setsockopt(s, IPPROTO_IPV6, IPV6_HOPOPTS, &opton, - sizeof(opton))) - err(1, "setsockopt(IPV6_HOPOPTS)"); -#endif -#ifdef IPV6_RECVDSTOPTS - if (setsockopt(s, IPPROTO_IPV6, IPV6_RECVDSTOPTS, &opton, - sizeof(opton))) - err(1, "setsockopt(IPV6_RECVDSTOPTS)"); -#else /* old adv. API */ - if (setsockopt(s, IPPROTO_IPV6, IPV6_DSTOPTS, &opton, - sizeof(opton))) - err(1, "setsockopt(IPV6_DSTOPTS)"); -#endif -#ifdef IPV6_RECVRTHDRDSTOPTS - if (setsockopt(s, IPPROTO_IPV6, IPV6_RECVRTHDRDSTOPTS, &opton, - sizeof(opton))) - err(1, "setsockopt(IPV6_RECVRTHDRDSTOPTS)"); -#endif - } - - /* revoke root privilege */ - seteuid(getuid()); - setuid(getuid()); - - if ((options & F_FLOOD) && (options & F_INTERVAL)) - errx(1, "-f and -i incompatible options"); - - if ((options & F_NOUSERDATA) == 0) { - if (datalen >= (int)sizeof(struct tv32)) { - /* we can time transfer */ - timing = 1; - } else - timing = 0; - /* in F_VERBOSE case, we may get non-echoreply packets*/ - if (options & F_VERBOSE) - packlen = 2048 + IP6LEN + ICMP6ECHOLEN + EXTRA; - else - packlen = datalen + IP6LEN + ICMP6ECHOLEN + EXTRA; - } else { - /* suppress timing for node information query */ - timing = 0; - datalen = 2048; - packlen = 2048 + IP6LEN + ICMP6ECHOLEN + EXTRA; - } - - if (!(packet = (u_char *)malloc(packlen))) - err(1, "Unable to allocate packet"); - if (!(options & F_PINGFILLED)) - for (i = ICMP6ECHOLEN; i < packlen; ++i) - *datap++ = i; - - ident = arc4random() & 0xFFFF; - memset(nonce, 0, sizeof(nonce)); - for (i = 0; i < sizeof(nonce); i += sizeof(u_int32_t)) - *((u_int32_t *)&nonce[i]) = arc4random(); - - 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 IPV6_USE_MIN_MTU - if (mflag != 1) { - optval = mflag > 1 ? 0 : 1; - - if (setsockopt(s, IPPROTO_IPV6, IPV6_USE_MIN_MTU, - &optval, sizeof(optval)) == -1) - err(1, "setsockopt(IPV6_USE_MIN_MTU)"); - } -#ifdef IPV6_RECVPATHMTU - else { - optval = 1; - if (setsockopt(s, IPPROTO_IPV6, IPV6_RECVPATHMTU, - &optval, sizeof(optval)) == -1) - err(1, "setsockopt(IPV6_RECVPATHMTU)"); - } -#endif /* IPV6_RECVPATHMTU */ -#endif /* IPV6_USE_MIN_MTU */ - -#ifdef IPSEC -#ifdef IPSEC_POLICY_IPSEC - if (options & F_POLICY) { - if (setpolicy(s, policy_in) < 0) - errx(1, "%s", ipsec_strerror()); - if (setpolicy(s, policy_out) < 0) - errx(1, "%s", 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_FQDNOLD) || - (options & F_NODEADDR) || (options & F_SUPTYPES)) - 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*/ - - /* let the kerel pass extension headers of incoming packets */ - if ((options & F_VERBOSE) != 0) { - int opton = 1; - -#ifdef IPV6_RECVRTHDR - if (setsockopt(s, IPPROTO_IPV6, IPV6_RECVRTHDR, &opton, - sizeof(opton))) - err(1, "setsockopt(IPV6_RECVRTHDR)"); -#else /* old adv. API */ - if (setsockopt(s, IPPROTO_IPV6, IPV6_RTHDR, &opton, - sizeof(opton))) - err(1, "setsockopt(IPV6_RTHDR)"); -#endif - } - -/* - 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"); -*/ - - /* Specify the outgoing interface and/or the source address */ - if (usepktinfo) - ip6optlen += CMSG_SPACE(sizeof(struct in6_pktinfo)); - - if (hoplimit != -1) - ip6optlen += CMSG_SPACE(sizeof(int)); - -#ifdef IPV6_REACHCONF - if (options & F_REACHCONF) - ip6optlen += CMSG_SPACE(0); -#endif - - /* 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 (usepktinfo) { - pktinfo = (struct in6_pktinfo *)(CMSG_DATA(scmsgp)); - memset(pktinfo, 0, sizeof(*pktinfo)); - scmsgp->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo)); - scmsgp->cmsg_level = IPPROTO_IPV6; - scmsgp->cmsg_type = IPV6_PKTINFO; - scmsgp = CMSG_NXTHDR(&smsghdr, scmsgp); - } - - /* set the outgoing interface */ - if (ifname) { -#ifndef USE_SIN6_SCOPE_ID - /* pktinfo must have already been allocated */ - if ((pktinfo->ipi6_ifindex = if_nametoindex(ifname)) == 0) - errx(1, "%s: invalid interface name", ifname); -#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); - } -#ifdef IPV6_REACHCONF - if (options & F_REACHCONF) { - scmsgp->cmsg_len = CMSG_LEN(0); - scmsgp->cmsg_level = IPPROTO_IPV6; - scmsgp->cmsg_type = IPV6_REACHCONF; - - scmsgp = CMSG_NXTHDR(&smsghdr, scmsgp); - } -#endif - - if (argc > 1) { /* some intermediate addrs are specified */ -#ifdef ANDROID_INCLUDE_RTHDR_SUPPORT - int hops, error; - int rthdrlen; - - rthdrlen = inet6_rth_space(IPV6_RTHDR_TYPE_0, argc - 1); - scmsgp->cmsg_len = CMSG_LEN(rthdrlen); - scmsgp->cmsg_level = IPPROTO_IPV6; - scmsgp->cmsg_type = IPV6_RTHDR; - rthdr = (struct ip6_rthdr *)CMSG_DATA(scmsgp); - rthdr = inet6_rth_init((void *)rthdr, rthdrlen, - IPV6_RTHDR_TYPE_0, argc - 1); - if (rthdr == NULL) - 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, "%s", gai_strerror(error)); - if (SIN6(iaip->ai_addr)->sin6_family != AF_INET6) - errx(1, - "bad addr family of an intermediate addr"); - - if (inet6_rth_add(rthdr, - &(SIN6(iaip->ai_addr))->sin6_addr)) - errx(1, "can't add an intermediate node"); - freeaddrinfo(iaip); - } - - scmsgp = CMSG_NXTHDR(&smsghdr, scmsgp); -#else - errx(1, "compiled without support for routing headers"); -#endif - } - - if (!(options & F_SRCADDR)) { - /* - * get the source address. XXX since we revoked the root - * privilege, we cannot use a raw socket for this. - */ - int dummy; - socklen_t 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; - - if (pktinfo && - setsockopt(dummy, IPPROTO_IPV6, IPV6_PKTINFO, - (void *)pktinfo, sizeof(*pktinfo))) - err(1, "UDP setsockopt(IPV6_PKTINFO)"); - - if (hoplimit != -1 && - setsockopt(dummy, IPPROTO_IPV6, IPV6_UNICAST_HOPS, - (void *)&hoplimit, sizeof(hoplimit))) - err(1, "UDP setsockopt(IPV6_UNICAST_HOPS)"); - - if (hoplimit != -1 && - setsockopt(dummy, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, - (void *)&hoplimit, sizeof(hoplimit))) - err(1, "UDP setsockopt(IPV6_MULTICAST_HOPS)"); - -#ifdef ANDROID_INCLUDE_RTHDR_SUPPORT - if (rthdr && - setsockopt(dummy, IPPROTO_IPV6, IPV6_RTHDR, - (void *)rthdr, (rthdr->ip6r_len + 1) << 3)) - err(1, "UDP setsockopt(IPV6_RTHDR)"); -#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 increase 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 -#ifdef IPV6_RECVPKTINFO - if (setsockopt(s, IPPROTO_IPV6, IPV6_RECVPKTINFO, &optval, - sizeof(optval)) < 0) - warn("setsockopt(IPV6_RECVPKTINFO)"); /* XXX err? */ -#else /* old adv. API */ - if (setsockopt(s, IPPROTO_IPV6, IPV6_PKTINFO, &optval, - sizeof(optval)) < 0) - warn("setsockopt(IPV6_PKTINFO)"); /* XXX err? */ -#endif -#endif /* USE_SIN6_SCOPE_ID */ -#ifdef IPV6_RECVHOPLIMIT - if (setsockopt(s, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, &optval, - sizeof(optval)) < 0) - warn("setsockopt(IPV6_RECVHOPLIMIT)"); /* XXX err? */ -#else /* old adv. API */ - if (setsockopt(s, IPPROTO_IPV6, IPV6_HOPLIMIT, &optval, - sizeof(optval)) < 0) - warn("setsockopt(IPV6_HOPLIMIT)"); /* XXX err? */ -#endif - - printf("PING6(%lu=40+8+%lu bytes) ", (unsigned long)(40 + pingerlen()), - (unsigned long)(pingerlen() - 8)); - printf("%s --> ", pr_addr((struct sockaddr *)&src, sizeof(src))); - printf("%s\n", pr_addr((struct sockaddr *)&dst, sizeof(dst))); - - while (preload--) /* Fire off them quickies. */ - (void)pinger(); - - (void)signal(SIGINT, onsignal); -#ifdef SIGINFO - (void)signal(SIGINFO, onsignal); -#endif - - if ((options & F_FLOOD) == 0) { - (void)signal(SIGALRM, onsignal); - itimer.it_interval = interval; - itimer.it_value = interval; - (void)setitimer(ITIMER_REAL, &itimer, NULL); - if (ntransmitted == 0) - retransmit(); - } - - seenalrm = seenint = 0; -#ifdef SIGINFO - seeninfo = 0; -#endif - - for (;;) { - struct msghdr m; - struct cmsghdr *cm; - u_char buf[1024]; - struct iovec iov[2]; - - /* signal handling */ - if (seenalrm) { - retransmit(); - seenalrm = 0; - continue; - } - if (seenint) { - onint(SIGINT); - seenint = 0; - continue; - } -#ifdef SIGINFO - if (seeninfo) { - summary(); - seeninfo = 0; - continue; - } -#endif - - if (options & F_FLOOD) { - (void)pinger(); - timeout = 10; - } else { - timeout = INFTIM; - } - fdmaskp[0].fd = s; - fdmaskp[0].events = POLLIN; - cc = poll(fdmaskp, 1, timeout); - if (cc < 0) { - if (errno != EINTR) { - warn("poll"); - sleep(1); - } - continue; - } else if (cc == 0) - continue; - - 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); - - cc = recvmsg(s, &m, 0); - if (cc < 0) { - if (errno != EINTR) { - warn("recvmsg"); - sleep(1); - } - continue; - } else if (cc == 0) { - int mtu; - - /* - * receive control messages only. Process the - * exceptions (currently the only possiblity is - * a path MTU notification.) - */ - if ((mtu = get_pathmtu(&m)) > 0) { - if ((options & F_VERBOSE) != 0) { - printf("new path MTU (%d) is " - "notified\n", mtu); - } - } - continue; - } else { - /* - * an ICMPv6 message (probably an echoreply) arrived. - */ - pr_pack(packet, cc, &m); - } - if (npackets && nreceived >= npackets) - break; - } - summary(); - exit(nreceived == 0); -} - -void -onsignal(int sig) -{ - - switch (sig) { - case SIGALRM: - seenalrm++; - break; - case SIGINT: - seenint++; - break; -#ifdef SIGINFO - case SIGINFO: - seeninfo++; - break; -#endif - } -} - -/* - * retransmit -- - * This routine transmits another ping6. - */ -void -retransmit(void) -{ - struct itimerval itimer; - - if (pinger() == 0) - 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. - */ -size_t -pingerlen(void) -{ - size_t l; - - if (options & F_FQDN) - l = ICMP6_NIQLEN + sizeof(dst.sin6_addr); - else if (options & F_FQDNOLD) - l = ICMP6_NIQLEN; - else if (options & F_NODEADDR) - l = ICMP6_NIQLEN + sizeof(dst.sin6_addr); - else if (options & F_SUPTYPES) - l = ICMP6_NIQLEN; - else - l = ICMP6ECHOLEN + datalen; - - return l; -} - -int -pinger(void) -{ - struct icmp6_hdr *icp; - struct iovec iov[2]; - int i, cc; - struct icmp6_nodeinfo *nip; - int seq; - - if (npackets && ntransmitted >= npackets) - return(-1); /* no more transmission */ - - icp = (struct icmp6_hdr *)outpack; - nip = (struct icmp6_nodeinfo *)outpack; - memset(icp, 0, sizeof(*icp)); - icp->icmp6_cksum = 0; - seq = ntransmitted++; - CLR(seq % mx_dup_ck); - - if (options & F_FQDN) { - icp->icmp6_type = ICMP6_NI_QUERY; - icp->icmp6_code = ICMP6_NI_SUBJ_IPV6; - nip->ni_qtype = htons(NI_QTYPE_FQDN); - nip->ni_flags = htons(0); - - memcpy(nip->icmp6_ni_nonce, nonce, - sizeof(nip->icmp6_ni_nonce)); - *(u_int16_t *)nip->icmp6_ni_nonce = ntohs(seq); - - memcpy(&outpack[ICMP6_NIQLEN], &dst.sin6_addr, - sizeof(dst.sin6_addr)); - cc = ICMP6_NIQLEN + sizeof(dst.sin6_addr); - datalen = 0; - } else if (options & F_FQDNOLD) { - /* packet format in 03 draft - no Subject data on queries */ - icp->icmp6_type = ICMP6_NI_QUERY; - icp->icmp6_code = 0; /* code field is always 0 */ - nip->ni_qtype = htons(NI_QTYPE_FQDN); - nip->ni_flags = htons(0); - - memcpy(nip->icmp6_ni_nonce, nonce, - sizeof(nip->icmp6_ni_nonce)); - *(u_int16_t *)nip->icmp6_ni_nonce = ntohs(seq); - - cc = ICMP6_NIQLEN; - datalen = 0; - } else if (options & F_NODEADDR) { - icp->icmp6_type = ICMP6_NI_QUERY; - icp->icmp6_code = ICMP6_NI_SUBJ_IPV6; - nip->ni_qtype = htons(NI_QTYPE_NODEADDR); - nip->ni_flags = naflags; - - memcpy(nip->icmp6_ni_nonce, nonce, - sizeof(nip->icmp6_ni_nonce)); - *(u_int16_t *)nip->icmp6_ni_nonce = ntohs(seq); - - memcpy(&outpack[ICMP6_NIQLEN], &dst.sin6_addr, - sizeof(dst.sin6_addr)); - cc = ICMP6_NIQLEN + sizeof(dst.sin6_addr); - datalen = 0; - } else if (options & F_SUPTYPES) { - icp->icmp6_type = ICMP6_NI_QUERY; - icp->icmp6_code = ICMP6_NI_SUBJ_FQDN; /*empty*/ - nip->ni_qtype = htons(NI_QTYPE_SUPTYPES); - /* we support compressed bitmap */ - nip->ni_flags = NI_SUPTYPE_FLAG_COMPRESS; - - memcpy(nip->icmp6_ni_nonce, nonce, - sizeof(nip->icmp6_ni_nonce)); - *(u_int16_t *)nip->icmp6_ni_nonce = ntohs(seq); - cc = ICMP6_NIQLEN; - datalen = 0; - } else { - icp->icmp6_type = ICMP6_ECHO_REQUEST; - icp->icmp6_code = 0; - icp->icmp6_id = htons(ident); - icp->icmp6_seq = ntohs(seq); - if (timing) { - struct timeval tv; - struct tv32 *tv32; - (void)gettimeofday(&tv, NULL); - tv32 = (struct tv32 *)&outpack[ICMP6ECHOLEN]; - tv32->tv32_sec = htonl(tv.tv_sec); - tv32->tv32_usec = htonl(tv.tv_usec); - } - cc = ICMP6ECHOLEN + datalen; - } - -#ifdef DIAGNOSTIC - if (pingerlen() != cc) - errx(1, "internal error; length mismatch"); -#endif - - 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); - - return(0); -} - -int -myechoreply(const struct icmp6_hdr *icp) -{ - if (ntohs(icp->icmp6_id) == ident) - return 1; - else - return 0; -} - -int -mynireply(const struct icmp6_nodeinfo *nip) -{ - if (memcmp(nip->icmp6_ni_nonce + sizeof(u_int16_t), - nonce + sizeof(u_int16_t), - sizeof(nonce) - sizeof(u_int16_t)) == 0) - return 1; - else - return 0; -} - -char * -dnsdecode(const u_char **sp, const u_char *ep, const u_char *base, char *buf, - size_t bufsiz) -{ - int i; - const u_char *cp; - char cresult[MAXDNAME + 1]; - const u_char *comp; - int l; - - i = 0; /* XXXGCC -Wuninitialized [sun2] */ - - cp = *sp; - *buf = '\0'; - - if (cp >= ep) - return NULL; - while (cp < ep) { - i = *cp; - if (i == 0 || cp != *sp) { - if (strlcat((char *)buf, ".", bufsiz) >= bufsiz) - return NULL; /*result overrun*/ - } - if (i == 0) - break; - cp++; - - if ((i & 0xc0) == 0xc0 && cp - base > (i & 0x3f)) { - /* DNS compression */ - if (!base) - return NULL; - - comp = base + (i & 0x3f); - if (dnsdecode(&comp, cp, base, cresult, - sizeof(cresult)) == NULL) - return NULL; - if (strlcat(buf, cresult, bufsiz) >= bufsiz) - return NULL; /*result overrun*/ - break; - } else if ((i & 0x3f) == i) { - if (i > ep - cp) - return NULL; /*source overrun*/ - while (i-- > 0 && cp < ep) { - l = snprintf(cresult, sizeof(cresult), - isprint(*cp) ? "%c" : "\\%03o", *cp & 0xff); - if (l >= (int)sizeof(cresult) || l < 0) - return NULL; - if (strlcat(buf, cresult, bufsiz) >= bufsiz) - return NULL; /*result overrun*/ - cp++; - } - } else - return NULL; /*invalid label*/ - } - if (i != 0) - return NULL; /*not terminated*/ - cp++; - *sp = cp; - return buf; -} - -/* - * 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(u_char *buf, int cc, struct msghdr *mhdr) -{ -#define safeputc(c) printf((isprint((c)) ? "%c" : "\\%03o"), c) - struct icmp6_hdr *icp; - struct icmp6_nodeinfo *ni; - int i; - int hoplim; - struct sockaddr *from; - int fromlen; - u_char *cp = NULL, *dp, *end = buf + cc; - struct in6_pktinfo *pktinfo = NULL; - struct timeval tv, tp; - struct tv32 *tpp; - double triptime = 0; - int dupflag; - size_t off; - int oldfqdn; - u_int16_t seq; - char dnsname[MAXDNAME + 1]; - - (void)gettimeofday(&tv, NULL); - - if (!mhdr || !mhdr->msg_name || - mhdr->msg_namelen != sizeof(struct sockaddr_in6) || - ((struct sockaddr *)mhdr->msg_name)->sa_family != AF_INET6) { - if (options & F_VERBOSE) - warnx("invalid peername"); - return; - } - from = (struct sockaddr *)mhdr->msg_name; - fromlen = mhdr->msg_namelen; - if (cc < (int)sizeof(struct icmp6_hdr)) { - if (options & F_VERBOSE) - warnx("packet too short (%d bytes) from %s", cc, - pr_addr(from, fromlen)); - return; - } - icp = (struct icmp6_hdr *)buf; - ni = (struct icmp6_nodeinfo *)buf; - off = 0; - - if ((hoplim = get_hoplim(mhdr)) == -1) { - warnx("failed to get receiving hop limit"); - return; - } - if ((pktinfo = get_rcvpktinfo(mhdr)) == NULL) { - warnx("failed to get receiving packet information"); - return; - } - - if (icp->icmp6_type == ICMP6_ECHO_REPLY && myechoreply(icp)) { - seq = ntohs(icp->icmp6_seq); - ++nreceived; - if (timing) { - tpp = (struct tv32 *)(icp + 1); - tp.tv_sec = ntohl(tpp->tv32_sec); - tp.tv_usec = ntohl(tpp->tv32_usec); - tvsub(&tv, &tp); - triptime = ((double)tv.tv_sec) * 1000.0 + - ((double)tv.tv_usec) / 1000.0; - tsum += triptime; - tsumsq += triptime * triptime; - if (triptime < tmin) - tmin = triptime; - if (triptime > tmax) - tmax = triptime; - } - - if (TST(seq % mx_dup_ck)) { - ++nrepeats; - --nreceived; - dupflag = 1; - } else { - SET(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, - pr_addr(from, fromlen), seq); - (void)printf(" hlim=%d", hoplim); - if ((options & F_VERBOSE) != 0) { - struct sockaddr_in6 dstsa; - - memset(&dstsa, 0, sizeof(dstsa)); - dstsa.sin6_family = AF_INET6; -#ifdef SIN6_LEN - dstsa.sin6_len = sizeof(dstsa); -#endif - dstsa.sin6_scope_id = pktinfo->ipi6_ifindex; - dstsa.sin6_addr = pktinfo->ipi6_addr; - (void)printf(" dst=%s", - pr_addr((struct sockaddr *)&dstsa, - sizeof(dstsa))); - } - if (timing) - (void)printf(" time=%.3f 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 && mynireply(ni)) { - seq = ntohs(*(u_int16_t *)ni->icmp6_ni_nonce); - ++nreceived; - if (TST(seq % mx_dup_ck)) { - ++nrepeats; - --nreceived; - dupflag = 1; - } else { - SET(seq % mx_dup_ck); - dupflag = 0; - } - - if (options & F_QUIET) - return; - - (void)printf("%d bytes from %s: ", cc, pr_addr(from, fromlen)); - - switch (ntohs(ni->ni_code)) { - case ICMP6_NI_SUCCESS: - break; - case ICMP6_NI_REFUSED: - printf("refused, type 0x%x", ntohs(ni->ni_type)); - goto fqdnend; - case ICMP6_NI_UNKNOWN: - printf("unknown, type 0x%x", ntohs(ni->ni_type)); - goto fqdnend; - default: - printf("unknown code 0x%x, type 0x%x", - ntohs(ni->ni_code), ntohs(ni->ni_type)); - goto fqdnend; - } - - switch (ntohs(ni->ni_qtype)) { - case NI_QTYPE_NOOP: - printf("NodeInfo NOOP"); - break; - case NI_QTYPE_SUPTYPES: - pr_suptypes(ni, end - (u_char *)ni); - 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; - if (buf[off + ICMP6_NIRLEN] == - cc - off - ICMP6_NIRLEN - 1) - oldfqdn = 1; - else - oldfqdn = 0; - if (oldfqdn) { - cp++; /* skip length */ - while (cp < end) { - safeputc(*cp & 0xff); - cp++; - } - } else { - i = 0; - while (cp < end) { - if (dnsdecode((const u_char **)&cp, end, - (const u_char *)(ni + 1), dnsname, - sizeof(dnsname)) == NULL) { - printf("???"); - break; - } - /* - * name-lookup special handling for - * truncated name - */ - if (cp + 1 <= end && !*cp && - strlen(dnsname) > 0) { - dnsname[strlen(dnsname) - 1] = '\0'; - cp++; - } - printf("%s%s", i > 0 ? "," : "", - dnsname); - } - } - if (options & F_VERBOSE) { - int32_t ttl; - int comma = 0; - - (void)printf(" ("); /*)*/ - - switch (ni->ni_code) { - case ICMP6_NI_REFUSED: - (void)printf("refused"); - comma++; - break; - case ICMP6_NI_UNKNOWN: - (void)printf("unknown qtype"); - comma++; - break; - } - - if ((end - (u_char *)ni) < ICMP6_NIRLEN) { - /* case of refusion, unknown */ - /*(*/ - putchar(')'); - goto fqdnend; - } - ttl = (int32_t)ntohl(*(u_long *)&buf[off+ICMP6ECHOLEN+8]); - if (comma) - printf(","); - if (!(ni->ni_flags & NI_FQDN_FLAG_VALIDTTL)) { - (void)printf("TTL=%d:meaningless", - (int)ttl); - } else { - if (ttl < 0) { - (void)printf("TTL=%d:invalid", - ttl); - } else - (void)printf("TTL=%d", ttl); - } - comma++; - - if (oldfqdn) { - if (comma) - printf(","); - printf("03 draft"); - comma++; - } else { - cp = (u_char *)ni + ICMP6_NIRLEN; - if (cp == end) { - if (comma) - printf(","); - printf("no name"); - comma++; - } - } - - if (buf[off + ICMP6_NIRLEN] != - cc - off - ICMP6_NIRLEN - 1 && oldfqdn) { - if (comma) - printf(","); - (void)printf("invalid namelen:%d/%lu", - buf[off + ICMP6_NIRLEN], - (u_long)cc - off - ICMP6_NIRLEN - 1); - comma++; - } - /*(*/ - 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, fromlen)); - pr_icmph(icp, end); - } - - if (!(options & F_FLOOD)) { - (void)putchar('\n'); - if (options & F_VERBOSE) - pr_exthdrs(mhdr); - (void)fflush(stdout); - } -#undef safeputc -} - -void -pr_exthdrs(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) - continue; - - switch (cm->cmsg_type) { -#ifdef ANDROID_INCLUDE_RTHDR_SUPPORT - case IPV6_HOPOPTS: - printf(" HbH Options: "); - pr_ip6opt(CMSG_DATA(cm)); - break; - case IPV6_DSTOPTS: -#ifdef IPV6_RTHDRDSTOPTS - case IPV6_RTHDRDSTOPTS: -#endif - printf(" Dst Options: "); - pr_ip6opt(CMSG_DATA(cm)); - break; - case IPV6_RTHDR: - printf(" Routing: "); - pr_rthdr(CMSG_DATA(cm)); - break; -#endif - } - } -} - -#ifdef ANDROID_INCLUDE_RTHDR_SUPPORT -void -pr_ip6opt(void *extbuf) -{ - struct ip6_hbh *ext; - int currentlen; - u_int8_t type; - size_t extlen; - socklen_t len; - void *databuf; - size_t offset; - u_int16_t value2; - u_int32_t value4; - - ext = (struct ip6_hbh *)extbuf; - extlen = (ext->ip6h_len + 1) * 8; - printf("nxt %u, len %u (%lu bytes)\n", ext->ip6h_nxt, - (unsigned int)ext->ip6h_len, (unsigned long)extlen); - - currentlen = 0; - while (1) { - currentlen = inet6_opt_next(extbuf, extlen, currentlen, - &type, &len, &databuf); - if (currentlen == -1) - break; - switch (type) { - /* - * Note that inet6_opt_next automatically skips any padding - * optins. - */ - case IP6OPT_JUMBO: - offset = 0; - offset = inet6_opt_get_val(databuf, offset, - &value4, sizeof(value4)); - printf(" Jumbo Payload Opt: Length %u\n", - (u_int32_t)ntohl(value4)); - break; - case IP6OPT_ROUTER_ALERT: - offset = 0; - offset = inet6_opt_get_val(databuf, offset, - &value2, sizeof(value2)); - printf(" Router Alert Opt: Type %u\n", - ntohs(value2)); - break; - default: - printf(" Received Opt %u len %lu\n", - type, (unsigned long)len); - break; - } - } - return; -} -#endif - -#ifdef ANDROID_INCLUDE_RTHDR_SUPPORT -void -pr_rthdr(void *extbuf) -{ - struct in6_addr *in6; - char ntopbuf[INET6_ADDRSTRLEN]; - struct ip6_rthdr *rh = (struct ip6_rthdr *)extbuf; - int i, segments; - - /* print fixed part of the header */ - printf("nxt %u, len %u (%d bytes), type %u, ", rh->ip6r_nxt, - rh->ip6r_len, (rh->ip6r_len + 1) << 3, rh->ip6r_type); - if ((segments = inet6_rth_segments(extbuf)) >= 0) - printf("%d segments, ", segments); - else - printf("segments unknown, "); - printf("%d left\n", rh->ip6r_segleft); - - for (i = 0; i < segments; i++) { - in6 = inet6_rth_getaddr(extbuf, i); - if (in6 == NULL) - printf(" [%d]<NULL>\n", i); - else { - if (!inet_ntop(AF_INET6, in6, ntopbuf, - sizeof(ntopbuf))) - strlcpy(ntopbuf, "?", sizeof(ntopbuf)); - printf(" [%d]%s\n", i, ntopbuf); - } - } - - return; - -} -#endif - -int -pr_bitrange(u_int32_t v, int soff, int ii) -{ - int off; - int i; - - off = 0; - while (off < 32) { - /* shift till we have 0x01 */ - if ((v & 0x01) == 0) { - if (ii > 1) - printf("-%u", soff + off - 1); - ii = 0; - switch (v & 0x0f) { - case 0x00: - v >>= 4; - off += 4; - continue; - case 0x08: - v >>= 3; - off += 3; - continue; - case 0x04: case 0x0c: - v >>= 2; - off += 2; - continue; - default: - v >>= 1; - off += 1; - continue; - } - } - - /* we have 0x01 with us */ - for (i = 0; i < 32 - off; i++) { - if ((v & (0x01 << i)) == 0) - break; - } - if (!ii) - printf(" %u", soff + off); - ii += i; - v >>= i; off += i; - } - return ii; -} - -void -pr_suptypes(struct icmp6_nodeinfo *ni /* ni->qtype must be SUPTYPES */, - size_t nilen) -{ - size_t clen; - u_int32_t v; - const u_char *cp, *end; - u_int16_t cur; - struct cbit { - u_int16_t words; /*32bit count*/ - u_int16_t skip; - } cbit; -#define MAXQTYPES (1 << 16) - size_t off; - int b; - - cp = (u_char *)(ni + 1); - end = ((u_char *)ni) + nilen; - cur = 0; - b = 0; - - printf("NodeInfo Supported Qtypes"); - if (options & F_VERBOSE) { - if (ni->ni_flags & NI_SUPTYPE_FLAG_COMPRESS) - printf(", compressed bitmap"); - else - printf(", raw bitmap"); - } - - while (cp < end) { - clen = (size_t)(end - cp); - if ((ni->ni_flags & NI_SUPTYPE_FLAG_COMPRESS) == 0) { - if (clen == 0 || clen > MAXQTYPES / 8 || - clen % sizeof(v)) { - printf("???"); - return; - } - } else { - if (clen < sizeof(cbit) || clen % sizeof(v)) - return; - memcpy(&cbit, cp, sizeof(cbit)); - if (sizeof(cbit) + ntohs(cbit.words) * sizeof(v) > - clen) - return; - cp += sizeof(cbit); - clen = ntohs(cbit.words) * sizeof(v); - if (cur + clen * 8 + (u_long)ntohs(cbit.skip) * 32 > - MAXQTYPES) - return; - } - - for (off = 0; off < clen; off += sizeof(v)) { - memcpy(&v, cp + off, sizeof(v)); - v = (u_int32_t)ntohl(v); - b = pr_bitrange(v, (int)(cur + off * 8), b); - } - /* flush the remaining bits */ - b = pr_bitrange(0, (int)(cur + off * 8), b); - - cp += clen; - cur += clen * 8; - if ((ni->ni_flags & NI_SUPTYPE_FLAG_COMPRESS) != 0) - cur += ntohs(cbit.skip) * 32; - } -} - -void -pr_nodeaddr(struct icmp6_nodeinfo *ni, /* ni->qtype must be NODEADDR */ - int nilen) -{ - u_char *cp = (u_char *)(ni + 1); - char ntop_buf[INET6_ADDRSTRLEN]; - int withttl = 0; - - 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_TRUNCATE) - (void)printf(" truncated"); - } - putchar('\n'); - if (nilen <= 0) - printf(" no address\n"); - - /* - * In icmp-name-lookups 05 and later, TTL of each returned address - * is contained in the resposne. We try to detect the version - * by the length of the data, but note that the detection algorithm - * is incomplete. We assume the latest draft by default. - */ - if (nilen % (sizeof(u_int32_t) + sizeof(struct in6_addr)) == 0) - withttl = 1; - while (nilen > 0) { - u_int32_t ttl = 0; - - if (withttl) { - /* XXX: alignment? */ - ttl = (u_int32_t)ntohl(*(u_int32_t *)cp); - cp += sizeof(u_int32_t); - nilen -= sizeof(u_int32_t); - } - - if (inet_ntop(AF_INET6, cp, ntop_buf, sizeof(ntop_buf)) == - NULL) - strlcpy(ntop_buf, "?", sizeof(ntop_buf)); - printf(" %s", ntop_buf); - if (withttl) { - if (ttl == 0xffffffff) { - /* - * XXX: can this convention be applied to all - * type of TTL (i.e. non-ND TTL)? - */ - printf("(TTL=infty)"); - } - else - printf("(TTL=%u)", ttl); - } - putchar('\n'); - - nilen -= sizeof(struct in6_addr); - cp += sizeof(struct in6_addr); - } -} - -int -get_hoplim(struct msghdr *mhdr) -{ - struct cmsghdr *cm; - - for (cm = (struct cmsghdr *)CMSG_FIRSTHDR(mhdr); cm; - cm = (struct cmsghdr *)CMSG_NXTHDR(mhdr, cm)) { - if (cm->cmsg_len == 0) - return(-1); - - 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); -} - -struct in6_pktinfo * -get_rcvpktinfo(struct msghdr *mhdr) -{ - struct cmsghdr *cm; - - for (cm = (struct cmsghdr *)CMSG_FIRSTHDR(mhdr); cm; - cm = (struct cmsghdr *)CMSG_NXTHDR(mhdr, cm)) { - if (cm->cmsg_len == 0) - return(NULL); - - if (cm->cmsg_level == IPPROTO_IPV6 && - cm->cmsg_type == IPV6_PKTINFO && - cm->cmsg_len == CMSG_LEN(sizeof(struct in6_pktinfo))) - return((struct in6_pktinfo *)CMSG_DATA(cm)); - } - - return(NULL); -} - -int -get_pathmtu(struct msghdr *mhdr) -{ -#ifdef IPV6_RECVPATHMTU - struct cmsghdr *cm; - struct ip6_mtuinfo *mtuctl = NULL; - - for (cm = (struct cmsghdr *)CMSG_FIRSTHDR(mhdr); cm; - cm = (struct cmsghdr *)CMSG_NXTHDR(mhdr, cm)) { - if (cm->cmsg_len == 0) - return(0); - - if (cm->cmsg_level == IPPROTO_IPV6 && - cm->cmsg_type == IPV6_PATHMTU && - cm->cmsg_len == CMSG_LEN(sizeof(struct ip6_mtuinfo))) { - mtuctl = (struct ip6_mtuinfo *)CMSG_DATA(cm); - - /* - * If the notified destination is different from - * the one we are pinging, just ignore the info. - * We check the scope ID only when both notified value - * and our own value have non-0 values, because we may - * have used the default scope zone ID for sending, - * in which case the scope ID value is 0. - */ - if (!IN6_ARE_ADDR_EQUAL(&mtuctl->ip6m_addr.sin6_addr, - &dst.sin6_addr) || - (mtuctl->ip6m_addr.sin6_scope_id && - dst.sin6_scope_id && - mtuctl->ip6m_addr.sin6_scope_id != - dst.sin6_scope_id)) { - if ((options & F_VERBOSE) != 0) { - printf("path MTU for %s is notified. " - "(ignored)\n", - pr_addr((struct sockaddr *)&mtuctl->ip6m_addr, - sizeof(mtuctl->ip6m_addr))); - } - return(0); - } - - /* - * Ignore an invalid MTU. XXX: can we just believe - * the kernel check? - */ - if (mtuctl->ip6m_mtu < IPV6_MMTU) - return(0); - - /* notification for our destination. return the MTU. */ - return((int)mtuctl->ip6m_mtu); - } - } -#endif - return(0); -} - -/* - * tvsub -- - * Subtract 2 timeval structs: out = out - in. Out is assumed to - * be >= in. - */ -void -tvsub(struct timeval *out, struct timeval *in) -{ - if ((out->tv_usec -= in->tv_usec) < 0) { - --out->tv_sec; - out->tv_usec += 1000000; - } - out->tv_sec -= in->tv_sec; -} - -/* - * onint -- - * SIGINT handler. - */ -/* ARGSUSED */ -void -onint(int notused) -{ - summary(); - - (void)signal(SIGINT, SIG_DFL); - (void)kill(getpid(), SIGINT); - - /* NOTREACHED */ - exit(1); -} - -/* - * summary -- - * Print out statistics. - */ -void -summary(void) -{ - - (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 duplicating packets!"); - else - (void)printf("%.1f%% packet loss", - ((((double)ntransmitted - nreceived) * 100.0) / - ntransmitted)); - } - (void)putchar('\n'); - if (nreceived && timing) { - /* Only display average to microseconds */ - double num = nreceived + nrepeats; - double dev, avg; - if (num > 1) { - avg = tsum / num; - dev = sqrt((tsumsq - num * avg * avg) / (num - 1)); - } else { - avg = tsum; - dev = 0.0; - } - (void)printf( - "round-trip min/avg/max/std-dev = %.3f/%.3f/%.3f/%.3f ms\n", - tmin, avg, tmax, dev); - (void)fflush(stdout); - } - (void)fflush(stdout); -} - -/*subject type*/ -static const char *niqcode[] = { - "IPv6 address", - "DNS label", /*or empty*/ - "IPv4 address", -}; - -/*result code*/ -static const char *nircode[] = { - "Success", "Refused", "Unknown", -}; - - -/* - * pr_icmph -- - * Print a descriptive string about an ICMP header. - */ -void -pr_icmph(struct icmp6_hdr *icp, u_char *end) -{ - char ntop_buf[INET6_ADDRSTRLEN]; - struct nd_redirect *red; - struct icmp6_nodeinfo *ni; - char dnsname[MAXDNAME + 1]; - const u_char *cp; - size_t l; - - 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)); - pr_retip((struct ip6_hdr *)(icp + 1), end); - 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", - (u_int32_t)ntohl(icp->icmp6_pptr)); - pr_retip((struct ip6_hdr *)(icp + 1), end); - break; - case ICMP6_ECHO_REQUEST: - (void)printf("Echo Request"); - /* XXX ID + Seq + Data */ - break; - case ICMP6_ECHO_REPLY: - (void)printf("Echo Reply"); - /* XXX ID + Seq + Data */ - break; - case ICMP6_MEMBERSHIP_QUERY: - (void)printf("Listener Query"); - break; - case ICMP6_MEMBERSHIP_REPORT: - (void)printf("Listener Report"); - break; - case ICMP6_MEMBERSHIP_REDUCTION: - (void)printf("Listener Done"); - break; - case ND_ROUTER_SOLICIT: - (void)printf("Router Solicitation"); - break; - case ND_ROUTER_ADVERT: - (void)printf("Router Advertisement"); - break; - case ND_NEIGHBOR_SOLICIT: - (void)printf("Neighbor Solicitation"); - break; - case ND_NEIGHBOR_ADVERT: - (void)printf("Neighbor Advertisement"); - break; - case ND_REDIRECT: - red = (struct nd_redirect *)icp; - (void)printf("Redirect\n"); - if (!inet_ntop(AF_INET6, &red->nd_rd_dst, ntop_buf, - sizeof(ntop_buf))) - strlcpy(ntop_buf, "?", sizeof(ntop_buf)); - (void)printf("Destination: %s", ntop_buf); - if (!inet_ntop(AF_INET6, &red->nd_rd_target, ntop_buf, - sizeof(ntop_buf))) - strlcpy(ntop_buf, "?", sizeof(ntop_buf)); - (void)printf(" New Target: %s", ntop_buf); - break; - case ICMP6_NI_QUERY: - (void)printf("Node Information Query"); - /* XXX ID + Seq + Data */ - ni = (struct icmp6_nodeinfo *)icp; - l = end - (u_char *)(ni + 1); - printf(", "); - switch (ntohs(ni->ni_qtype)) { - case NI_QTYPE_NOOP: - (void)printf("NOOP"); - break; - case NI_QTYPE_SUPTYPES: - (void)printf("Supported qtypes"); - break; - case NI_QTYPE_FQDN: - (void)printf("DNS name"); - break; - case NI_QTYPE_NODEADDR: - (void)printf("nodeaddr"); - break; - case NI_QTYPE_IPV4ADDR: - (void)printf("IPv4 nodeaddr"); - break; - default: - (void)printf("unknown qtype"); - break; - } - if (options & F_VERBOSE) { - switch (ni->ni_code) { - case ICMP6_NI_SUBJ_IPV6: - if (l == sizeof(struct in6_addr) && - inet_ntop(AF_INET6, ni + 1, ntop_buf, - sizeof(ntop_buf)) != NULL) { - (void)printf(", subject=%s(%s)", - niqcode[ni->ni_code], ntop_buf); - } else { -#if 1 - /* backward compat to -W */ - (void)printf(", oldfqdn"); -#else - (void)printf(", invalid"); -#endif - } - break; - case ICMP6_NI_SUBJ_FQDN: - if (end == (u_char *)(ni + 1)) { - (void)printf(", no subject"); - break; - } - printf(", subject=%s", niqcode[ni->ni_code]); - cp = (const u_char *)(ni + 1); - if (dnsdecode(&cp, end, NULL, dnsname, - sizeof(dnsname)) != NULL) - printf("(%s)", dnsname); - else - printf("(invalid)"); - break; - case ICMP6_NI_SUBJ_IPV4: - if (l == sizeof(struct in_addr) && - inet_ntop(AF_INET, ni + 1, ntop_buf, - sizeof(ntop_buf)) != NULL) { - (void)printf(", subject=%s(%s)", - niqcode[ni->ni_code], ntop_buf); - } else - (void)printf(", invalid"); - break; - default: - (void)printf(", invalid"); - break; - } - } - break; - case ICMP6_NI_REPLY: - (void)printf("Node Information Reply"); - /* XXX ID + Seq + Data */ - ni = (struct icmp6_nodeinfo *)icp; - printf(", "); - switch (ntohs(ni->ni_qtype)) { - case NI_QTYPE_NOOP: - (void)printf("NOOP"); - break; - case NI_QTYPE_SUPTYPES: - (void)printf("Supported qtypes"); - break; - case NI_QTYPE_FQDN: - (void)printf("DNS name"); - break; - case NI_QTYPE_NODEADDR: - (void)printf("nodeaddr"); - break; - case NI_QTYPE_IPV4ADDR: - (void)printf("IPv4 nodeaddr"); - break; - default: - (void)printf("unknown qtype"); - break; - } - if (options & F_VERBOSE) { - if (ni->ni_code >= sizeof(nircode) / sizeof(nircode[0])) - printf(", invalid"); - else - printf(", %s", nircode[ni->ni_code]); - } - break; - default: - (void)printf("Bad ICMP type: %d", icp->icmp6_type); - } -} - -/* - * pr_iph -- - * Print an IP6 header. - */ -void -pr_iph(struct ip6_hdr *ip6) -{ - u_int32_t flow = ip6->ip6_flow & IPV6_FLOWLABEL_MASK; - u_int8_t tc; - char ntop_buf[INET6_ADDRSTRLEN]; - - 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, (u_int32_t)ntohl(flow), - ntohs(ip6->ip6_plen), ip6->ip6_nxt, ip6->ip6_hlim); - if (!inet_ntop(AF_INET6, &ip6->ip6_src, ntop_buf, sizeof(ntop_buf))) - strlcpy(ntop_buf, "?", sizeof(ntop_buf)); - printf("%s->", ntop_buf); - if (!inet_ntop(AF_INET6, &ip6->ip6_dst, ntop_buf, sizeof(ntop_buf))) - strlcpy(ntop_buf, "?", sizeof(ntop_buf)); - printf("%s\n", ntop_buf); -} - -/* - * pr_addr -- - * Return an ascii host address as a dotted quad and optionally with - * a hostname. - */ -const char * -pr_addr(struct sockaddr *addr, int addrlen) -{ - static char buf[NI_MAXHOST]; - int flag = 0; - - if ((options & F_HOSTNAME) == 0) - flag |= NI_NUMERICHOST; - - if (getnameinfo(addr, addrlen, buf, sizeof(buf), NULL, 0, flag) == 0) - return (buf); - else - return "?"; -} - -/* - * pr_retip -- - * Dump some info on a returned (via ICMPv6) IPv6 packet. - */ -void -pr_retip(struct ip6_hdr *ip6, u_char *end) -{ - u_char *cp = (u_char *)ip6, nh; - int hlen; - - if (end - (u_char *)ip6 < (intptr_t)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(char *bp, char *patp) -{ - int ii, jj, kk; - int pat[16]; - char *cp; - - for (cp = patp; *cp; cp++) - if (!isxdigit((unsigned char)*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 <= (int)(MAXDATALEN - (8 + sizeof(struct tv32) + 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(int so, char *policy) -{ - char *buf; - - if (policy == NULL) - return 0; /* ignore */ - - buf = ipsec_set_policy(policy, strlen(policy)); - if (buf == NULL) - errx(1, "%s", 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 - -#ifdef ANDROID_INCLUDE_MD5_SUPPORT -char * -nigroup(char *name) -{ - char *p; - char *q; - MD5_CTX ctxt; - u_int8_t digest[16]; - u_int8_t c; - size_t l; - char hbuf[NI_MAXHOST]; - struct in6_addr in6; - - p = strchr(name, '.'); - if (!p) - p = name + strlen(name); - l = p - name; - if (l > 63 || l > sizeof(hbuf) - 1) - return NULL; /*label too long*/ - strncpy(hbuf, name, l); - hbuf[(int)l] = '\0'; - - for (q = name; *q; q++) { - if (isupper(*(unsigned char *)q)) - *q = tolower(*(unsigned char *)q); - } - - /* generate 8 bytes of pseudo-random value. */ - memset(&ctxt, 0, sizeof(ctxt)); - MD5Init(&ctxt); - c = l & 0xff; - MD5Update(&ctxt, &c, sizeof(c)); - MD5Update(&ctxt, (unsigned char *)name, l); - MD5Final(digest, &ctxt); - - if (inet_pton(AF_INET6, "ff02::2:0000:0000", &in6) != 1) - return NULL; /*XXX*/ - bcopy(digest, &in6.s6_addr[12], 4); - - if (inet_ntop(AF_INET6, &in6, hbuf, sizeof(hbuf)) == NULL) - return NULL; - - return strdup(hbuf); -} -#endif - -void -usage(void) -{ - (void)fprintf(stderr, - "usage: ping6 [-dfH" -#ifdef IPV6_USE_MIN_MTU - "m" -#endif - "nNqtvwW" -#ifdef IPV6_REACHCONF - "R" -#endif -#ifdef IPSEC -#ifdef IPSEC_POLICY_IPSEC - "] [-P policy" -#else - "AE" -#endif -#endif - "] [-a [aAclsg]] [-b sockbufsiz] [-c count] \n" - "\t[-I interface] [-i wait] [-l preload] [-p pattern] " - "[-S sourceaddr]\n" - "\t[-s packetsize] [-h hoplimit] [-g gateway] [hops...] host\n"); - exit(1); -} |