18fae3551SRodney W. Grimes /* 28fae3551SRodney W. Grimes * Copyright (c) 1989, 1993 38fae3551SRodney W. Grimes * The Regents of the University of California. All rights reserved. 48fae3551SRodney W. Grimes * 58fae3551SRodney W. Grimes * This code is derived from software contributed to Berkeley by 68fae3551SRodney W. Grimes * Mike Muuss. 78fae3551SRodney W. Grimes * 88fae3551SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 98fae3551SRodney W. Grimes * modification, are permitted provided that the following conditions 108fae3551SRodney W. Grimes * are met: 118fae3551SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 128fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 138fae3551SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 148fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 158fae3551SRodney W. Grimes * documentation and/or other materials provided with the distribution. 168fae3551SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 178fae3551SRodney W. Grimes * must display the following acknowledgement: 188fae3551SRodney W. Grimes * This product includes software developed by the University of 198fae3551SRodney W. Grimes * California, Berkeley and its contributors. 208fae3551SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 218fae3551SRodney W. Grimes * may be used to endorse or promote products derived from this software 228fae3551SRodney W. Grimes * without specific prior written permission. 238fae3551SRodney W. Grimes * 248fae3551SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 258fae3551SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 268fae3551SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 278fae3551SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 288fae3551SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 298fae3551SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 308fae3551SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 318fae3551SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 328fae3551SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 338fae3551SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 348fae3551SRodney W. Grimes * SUCH DAMAGE. 358fae3551SRodney W. Grimes */ 368fae3551SRodney W. Grimes 378fae3551SRodney W. Grimes #ifndef lint 3843470e3bSGarrett Wollman static const char copyright[] = 398fae3551SRodney W. Grimes "@(#) Copyright (c) 1989, 1993\n\ 408fae3551SRodney W. Grimes The Regents of the University of California. All rights reserved.\n"; 418fae3551SRodney W. Grimes #endif /* not lint */ 428fae3551SRodney W. Grimes 438fae3551SRodney W. Grimes #ifndef lint 44e345a80dSPhilippe Charnier #if 0 458fae3551SRodney W. Grimes static char sccsid[] = "@(#)ping.c 8.1 (Berkeley) 6/5/93"; 46e345a80dSPhilippe Charnier #endif 4743470e3bSGarrett Wollman static const char rcsid[] = 487f3dea24SPeter Wemm "$FreeBSD$"; 498fae3551SRodney W. Grimes #endif /* not lint */ 508fae3551SRodney W. Grimes 518fae3551SRodney W. Grimes /* 528fae3551SRodney W. Grimes * P I N G . C 538fae3551SRodney W. Grimes * 54e345a80dSPhilippe Charnier * Using the Internet Control Message Protocol (ICMP) "ECHO" facility, 558fae3551SRodney W. Grimes * measure round-trip-delays and packet loss across network paths. 568fae3551SRodney W. Grimes * 578fae3551SRodney W. Grimes * Author - 588fae3551SRodney W. Grimes * Mike Muuss 598fae3551SRodney W. Grimes * U. S. Army Ballistic Research Laboratory 608fae3551SRodney W. Grimes * December, 1983 618fae3551SRodney W. Grimes * 628fae3551SRodney W. Grimes * Status - 638fae3551SRodney W. Grimes * Public Domain. Distribution Unlimited. 648fae3551SRodney W. Grimes * Bugs - 658fae3551SRodney W. Grimes * More statistics could always be gathered. 668fae3551SRodney W. Grimes * This program has to run SUID to ROOT to access the ICMP socket. 678fae3551SRodney W. Grimes */ 688fae3551SRodney W. Grimes 6943470e3bSGarrett Wollman #include <sys/param.h> /* NB: we rely on this for <sys/types.h> */ 7043470e3bSGarrett Wollman 7143470e3bSGarrett Wollman #include <ctype.h> 7243470e3bSGarrett Wollman #include <err.h> 7343470e3bSGarrett Wollman #include <errno.h> 743109a910SGarrett Wollman #include <math.h> 7543470e3bSGarrett Wollman #include <netdb.h> 7643470e3bSGarrett Wollman #include <signal.h> 7743470e3bSGarrett Wollman #include <stdio.h> 7843470e3bSGarrett Wollman #include <stdlib.h> 7943470e3bSGarrett Wollman #include <string.h> 8043470e3bSGarrett Wollman #include <sysexits.h> 8143470e3bSGarrett Wollman #include <termios.h> 8243470e3bSGarrett Wollman #include <unistd.h> 8343470e3bSGarrett Wollman 848fae3551SRodney W. Grimes #include <sys/socket.h> 858fae3551SRodney W. Grimes #include <sys/time.h> 86039d6aa4SBill Fenner #include <sys/uio.h> 878fae3551SRodney W. Grimes 888fae3551SRodney W. Grimes #include <netinet/in.h> 8943470e3bSGarrett Wollman #include <netinet/in_systm.h> 908fae3551SRodney W. Grimes #include <netinet/ip.h> 918fae3551SRodney W. Grimes #include <netinet/ip_icmp.h> 928fae3551SRodney W. Grimes #include <netinet/ip_var.h> 9343470e3bSGarrett Wollman #include <arpa/inet.h> 948fae3551SRodney W. Grimes 959a4365d0SYoshinobu Inoue #ifdef IPSEC 969a4365d0SYoshinobu Inoue #include <netinet6/ipsec.h> 979a4365d0SYoshinobu Inoue #endif /*IPSEC*/ 989a4365d0SYoshinobu Inoue 99301207dfSMaxim Konovalov #define INADDR_LEN ((int)sizeof(in_addr_t)) 100c6facae4SMaxim Konovalov #define PHDR_LEN ((int)sizeof(struct timeval)) 101d32ff037SJohn Birrell #define DEFDATALEN (64 - PHDR_LEN) /* default data length */ 1028f975bb3SBruce Evans #define FLOOD_BACKOFF 20000 /* usecs to back off if F_FLOOD mode */ 1038f975bb3SBruce Evans /* runs out of buffer space */ 1044fba6582SMaxim Konovalov #define MAXIPLEN (sizeof(struct ip) + MAX_IPOPTLEN) 1054fba6582SMaxim Konovalov #define MAXICMPLEN (ICMP_ADVLENMIN + MAX_IPOPTLEN) 1064fba6582SMaxim Konovalov #define MINICMPLEN ICMP_MINLEN 1074fba6582SMaxim Konovalov #define MAXPAYLOAD (IP_MAXPACKET - MAXIPLEN - MINICMPLEN) 1088fae3551SRodney W. Grimes #define MAXWAIT 10 /* max seconds to wait for response */ 109bf113f1bSBill Fumerola #define MAXALARM (60 * 60) /* max seconds for alarm timeout */ 1108fae3551SRodney W. Grimes 1118fae3551SRodney W. Grimes #define A(bit) rcvd_tbl[(bit)>>3] /* identify byte in array */ 1128fae3551SRodney W. Grimes #define B(bit) (1 << ((bit) & 0x07)) /* identify bit in byte */ 1138fae3551SRodney W. Grimes #define SET(bit) (A(bit) |= B(bit)) 1148fae3551SRodney W. Grimes #define CLR(bit) (A(bit) &= (~B(bit))) 1158fae3551SRodney W. Grimes #define TST(bit) (A(bit) & B(bit)) 1168fae3551SRodney W. Grimes 1178fae3551SRodney W. Grimes /* various options */ 1188fae3551SRodney W. Grimes int options; 11985456935SBill Fenner #define F_FLOOD 0x0001 12085456935SBill Fenner #define F_INTERVAL 0x0002 12185456935SBill Fenner #define F_NUMERIC 0x0004 12285456935SBill Fenner #define F_PINGFILLED 0x0008 12385456935SBill Fenner #define F_QUIET 0x0010 12485456935SBill Fenner #define F_RROUTE 0x0020 12585456935SBill Fenner #define F_SO_DEBUG 0x0040 12685456935SBill Fenner #define F_SO_DONTROUTE 0x0080 12785456935SBill Fenner #define F_VERBOSE 0x0100 12885456935SBill Fenner #define F_QUIET2 0x0200 12985456935SBill Fenner #define F_NOLOOP 0x0400 13085456935SBill Fenner #define F_MTTL 0x0800 13185456935SBill Fenner #define F_MIF 0x1000 132772dfa72SDaniel O'Callaghan #define F_AUDIBLE 0x2000 1339a4365d0SYoshinobu Inoue #ifdef IPSEC 1349a4365d0SYoshinobu Inoue #ifdef IPSEC_POLICY_IPSEC 1359a4365d0SYoshinobu Inoue #define F_POLICY 0x4000 1369a4365d0SYoshinobu Inoue #endif /*IPSEC_POLICY_IPSEC*/ 1379a4365d0SYoshinobu Inoue #endif /*IPSEC*/ 138211bfbd2SRuslan Ermilov #define F_TTL 0x8000 139ca517ad8SPoul-Henning Kamp #define F_MISSED 0x10000 1408025c44bSDima Dorfman #define F_ONCE 0x20000 1418fae3551SRodney W. Grimes 1428fae3551SRodney W. Grimes /* 1438fae3551SRodney W. Grimes * MAX_DUP_CHK is the number of bits in received table, i.e. the maximum 1448fae3551SRodney W. Grimes * number of received sequence numbers we can keep track of. Change 128 1458fae3551SRodney W. Grimes * to 8192 for complete accuracy... 1468fae3551SRodney W. Grimes */ 1478fae3551SRodney W. Grimes #define MAX_DUP_CHK (8 * 128) 1488fae3551SRodney W. Grimes int mx_dup_ck = MAX_DUP_CHK; 1498fae3551SRodney W. Grimes char rcvd_tbl[MAX_DUP_CHK / 8]; 1508fae3551SRodney W. Grimes 151d389e86aSMatt Jacob struct sockaddr_in whereto; /* who to ping */ 1528fae3551SRodney W. Grimes int datalen = DEFDATALEN; 1538fae3551SRodney W. Grimes int s; /* socket file descriptor */ 1544fba6582SMaxim Konovalov u_char outpack[MINICMPLEN + MAXPAYLOAD]; 1558fae3551SRodney W. Grimes char BSPACE = '\b'; /* characters written for flood */ 156ca517ad8SPoul-Henning Kamp char BBELL = '\a'; /* characters written for MISSED and AUDIBLE */ 1578fae3551SRodney W. Grimes char DOT = '.'; 1588fae3551SRodney W. Grimes char *hostname; 15999490edeSWarner Losh char *shostname; 1608fae3551SRodney W. Grimes int ident; /* process id to identify our packets */ 161ee2bf734SWarner Losh int uid; /* cached uid for micro-optimization */ 1628fae3551SRodney W. Grimes 1638fae3551SRodney W. Grimes /* counters */ 1648fae3551SRodney W. Grimes long npackets; /* max packets to transmit */ 1658fae3551SRodney W. Grimes long nreceived; /* # of packets we got back */ 1668fae3551SRodney W. Grimes long nrepeats; /* number of duplicates */ 1678fae3551SRodney W. Grimes long ntransmitted; /* sequence # for outbound packets = #sent */ 16825107197SIan Dowse long nmissedmax; /* max value of ntransmitted - nreceived - 1 */ 169526f06b2SMatthew Dillon int interval = 1000; /* interval between packets, ms */ 1708fae3551SRodney W. Grimes 1718fae3551SRodney W. Grimes /* timing */ 1728fae3551SRodney W. Grimes int timing; /* flag to do timing */ 1738fae3551SRodney W. Grimes double tmin = 999999999.0; /* minimum round trip time */ 1748fae3551SRodney W. Grimes double tmax = 0.0; /* maximum round trip time */ 1758fae3551SRodney W. Grimes double tsum = 0.0; /* sum of all times, for doing average */ 1763109a910SGarrett Wollman double tsumsq = 0.0; /* sum of all times squared, for std. dev. */ 1778fae3551SRodney W. Grimes 1788f975bb3SBruce Evans volatile sig_atomic_t finish_up; /* nonzero if we've been told to finish up */ 179badd8138SSean Eric Fagan int reset_kerninfo; 1808f975bb3SBruce Evans volatile sig_atomic_t siginfo_p; 181badd8138SSean Eric Fagan 18243470e3bSGarrett Wollman static void fill(char *, char *); 18343470e3bSGarrett Wollman static u_short in_cksum(u_short *, int); 18443470e3bSGarrett Wollman static void check_status(void); 1858f975bb3SBruce Evans static void finish(void) __dead2; 18643470e3bSGarrett Wollman static void pinger(void); 18743470e3bSGarrett Wollman static char *pr_addr(struct in_addr); 18843470e3bSGarrett Wollman static void pr_icmph(struct icmp *); 18943470e3bSGarrett Wollman static void pr_iph(struct ip *); 190039d6aa4SBill Fenner static void pr_pack(char *, int, struct sockaddr_in *, struct timeval *); 19143470e3bSGarrett Wollman static void pr_retip(struct ip *); 19243470e3bSGarrett Wollman static void status(int); 1938f975bb3SBruce Evans static void stopit(int); 19443470e3bSGarrett Wollman static void tvsub(struct timeval *, struct timeval *); 195e345a80dSPhilippe Charnier static void usage(void) __dead2; 1968fae3551SRodney W. Grimes 19743470e3bSGarrett Wollman int 1988fae3551SRodney W. Grimes main(argc, argv) 1998fae3551SRodney W. Grimes int argc; 20043470e3bSGarrett Wollman char *const *argv; 2018fae3551SRodney W. Grimes { 202efc8588dSDavid E. O'Brien struct in_addr ifaddr; 203efc8588dSDavid E. O'Brien struct iovec iov; 204efc8588dSDavid E. O'Brien struct msghdr msg; 205efc8588dSDavid E. O'Brien struct sigaction si_sa; 206efc8588dSDavid E. O'Brien struct sockaddr_in from, sin; 207efc8588dSDavid E. O'Brien struct termios ts; 208039d6aa4SBill Fenner struct timeval last, intvl; 2098fae3551SRodney W. Grimes struct hostent *hp; 210efc8588dSDavid E. O'Brien struct sockaddr_in *to; 2111ad0b1beSMaxim Konovalov double t; 2124fba6582SMaxim Konovalov u_char *datap, packet[IP_MAXPACKET]; 213efc8588dSDavid E. O'Brien char *ep, *source, *target; 214efc8588dSDavid E. O'Brien #ifdef IPSEC_POLICY_IPSEC 215efc8588dSDavid E. O'Brien char *policy_in, *policy_out; 216efc8588dSDavid E. O'Brien #endif 217efc8588dSDavid E. O'Brien u_long alarmtimeout, ultmp; 218efc8588dSDavid E. O'Brien int ch, hold, i, packlen, preload, sockerrno, almost_done = 0, ttl; 219efc8588dSDavid E. O'Brien char ctrl[CMSG_SPACE(sizeof(struct timeval))]; 220efc8588dSDavid E. O'Brien char hnamebuf[MAXHOSTNAMELEN], snamebuf[MAXHOSTNAMELEN]; 2218fae3551SRodney W. Grimes #ifdef IP_OPTIONS 2224fba6582SMaxim Konovalov char rspace[MAX_IPOPTLEN]; /* record route space */ 2238fae3551SRodney W. Grimes #endif 224efc8588dSDavid E. O'Brien unsigned char mttl, loop; 225efc8588dSDavid E. O'Brien 226efc8588dSDavid E. O'Brien source = NULL; 2279a4365d0SYoshinobu Inoue #ifdef IPSEC_POLICY_IPSEC 228efc8588dSDavid E. O'Brien policy_in = policy_out = NULL; 2299a4365d0SYoshinobu Inoue #endif 2308fae3551SRodney W. Grimes 231f1284d7aSBill Fenner /* 232f1284d7aSBill Fenner * Do the stuff that we need root priv's for *first*, and 233f1284d7aSBill Fenner * then drop our setuid bit. Save error reporting for 234f1284d7aSBill Fenner * after arg parsing. 235f1284d7aSBill Fenner */ 23643470e3bSGarrett Wollman s = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP); 237f1284d7aSBill Fenner sockerrno = errno; 238f1284d7aSBill Fenner 239f1284d7aSBill Fenner setuid(getuid()); 240ee2bf734SWarner Losh uid = getuid(); 241f1284d7aSBill Fenner 242bf113f1bSBill Fumerola alarmtimeout = preload = 0; 243badd8138SSean Eric Fagan 2444fba6582SMaxim Konovalov datap = &outpack[MINICMPLEN + PHDR_LEN]; 245211bfbd2SRuslan Ermilov while ((ch = getopt(argc, argv, 2468025c44bSDima Dorfman "AI:LQRS:T:c:adfi:l:m:nop:qrs:t:v" 247211bfbd2SRuslan Ermilov #ifdef IPSEC 2489a4365d0SYoshinobu Inoue #ifdef IPSEC_POLICY_IPSEC 249211bfbd2SRuslan Ermilov "P:" 2509a4365d0SYoshinobu Inoue #endif /*IPSEC_POLICY_IPSEC*/ 251211bfbd2SRuslan Ermilov #endif /*IPSEC*/ 252211bfbd2SRuslan Ermilov )) != -1) 2539a4365d0SYoshinobu Inoue { 2548fae3551SRodney W. Grimes switch(ch) { 255ca517ad8SPoul-Henning Kamp case 'A': 256ca517ad8SPoul-Henning Kamp options |= F_MISSED; 257ca517ad8SPoul-Henning Kamp break; 258772dfa72SDaniel O'Callaghan case 'a': 259772dfa72SDaniel O'Callaghan options |= F_AUDIBLE; 260772dfa72SDaniel O'Callaghan break; 2618fae3551SRodney W. Grimes case 'c': 26243470e3bSGarrett Wollman ultmp = strtoul(optarg, &ep, 0); 26343470e3bSGarrett Wollman if (*ep || ep == optarg || ultmp > LONG_MAX || !ultmp) 26443470e3bSGarrett Wollman errx(EX_USAGE, 26543470e3bSGarrett Wollman "invalid count of packets to transmit: `%s'", 26643470e3bSGarrett Wollman optarg); 26743470e3bSGarrett Wollman npackets = ultmp; 2688fae3551SRodney W. Grimes break; 2698fae3551SRodney W. Grimes case 'd': 2708fae3551SRodney W. Grimes options |= F_SO_DEBUG; 2718fae3551SRodney W. Grimes break; 2728fae3551SRodney W. Grimes case 'f': 273526f06b2SMatthew Dillon if (uid) { 27443470e3bSGarrett Wollman errno = EPERM; 27543470e3bSGarrett Wollman err(EX_NOPERM, "-f flag"); 2768fae3551SRodney W. Grimes } 2778fae3551SRodney W. Grimes options |= F_FLOOD; 2788fae3551SRodney W. Grimes setbuf(stdout, (char *)NULL); 2798fae3551SRodney W. Grimes break; 2808fae3551SRodney W. Grimes case 'i': /* wait between sending packets */ 2811ad0b1beSMaxim Konovalov t = strtod(optarg, &ep) * 1000.0; 2821ad0b1beSMaxim Konovalov if (*ep || ep == optarg || t > (double)INT_MAX) 2831ad0b1beSMaxim Konovalov errx(EX_USAGE, "invalid timing interval: `%s'", 2841ad0b1beSMaxim Konovalov optarg); 2858fae3551SRodney W. Grimes options |= F_INTERVAL; 286526f06b2SMatthew Dillon interval = (int)t; 287526f06b2SMatthew Dillon if (uid && interval < 1000) { 288526f06b2SMatthew Dillon errno = EPERM; 289526f06b2SMatthew Dillon err(EX_NOPERM, "-i interval too short"); 290526f06b2SMatthew Dillon } 2918fae3551SRodney W. Grimes break; 29285456935SBill Fenner case 'I': /* multicast interface */ 29343470e3bSGarrett Wollman if (inet_aton(optarg, &ifaddr) == 0) 29443470e3bSGarrett Wollman errx(EX_USAGE, 29543470e3bSGarrett Wollman "invalid multicast interface: `%s'", 29643470e3bSGarrett Wollman optarg); 29785456935SBill Fenner options |= F_MIF; 29885456935SBill Fenner break; 2998fae3551SRodney W. Grimes case 'l': 30043470e3bSGarrett Wollman ultmp = strtoul(optarg, &ep, 0); 30143470e3bSGarrett Wollman if (*ep || ep == optarg || ultmp > INT_MAX) 30243470e3bSGarrett Wollman errx(EX_USAGE, 30343470e3bSGarrett Wollman "invalid preload value: `%s'", optarg); 3045e2cc0f4SStephen McKay if (uid) { 305f78ac61bSWarner Losh errno = EPERM; 306f78ac61bSWarner Losh err(EX_NOPERM, "-l flag"); 307f78ac61bSWarner Losh } 30843470e3bSGarrett Wollman preload = ultmp; 3098fae3551SRodney W. Grimes break; 31085456935SBill Fenner case 'L': 31185456935SBill Fenner options |= F_NOLOOP; 31285456935SBill Fenner loop = 0; 31385456935SBill Fenner break; 314211bfbd2SRuslan Ermilov case 'm': /* TTL */ 315211bfbd2SRuslan Ermilov ultmp = strtoul(optarg, &ep, 0); 316211bfbd2SRuslan Ermilov if (*ep || ep == optarg || ultmp > 255) 3171ad0b1beSMaxim Konovalov errx(EX_USAGE, "invalid TTL: `%s'", optarg); 318211bfbd2SRuslan Ermilov ttl = ultmp; 319211bfbd2SRuslan Ermilov options |= F_TTL; 320211bfbd2SRuslan Ermilov break; 3218fae3551SRodney W. Grimes case 'n': 3228fae3551SRodney W. Grimes options |= F_NUMERIC; 3238fae3551SRodney W. Grimes break; 3248025c44bSDima Dorfman case 'o': 3258025c44bSDima Dorfman options |= F_ONCE; 3268025c44bSDima Dorfman break; 3278fae3551SRodney W. Grimes case 'p': /* fill buffer with user pattern */ 3288fae3551SRodney W. Grimes options |= F_PINGFILLED; 3298fae3551SRodney W. Grimes fill((char *)datap, optarg); 3308fae3551SRodney W. Grimes break; 331ef9e6dc7SBill Fenner case 'Q': 332ef9e6dc7SBill Fenner options |= F_QUIET2; 333ef9e6dc7SBill Fenner break; 3348fae3551SRodney W. Grimes case 'q': 3358fae3551SRodney W. Grimes options |= F_QUIET; 3368fae3551SRodney W. Grimes break; 3378fae3551SRodney W. Grimes case 'R': 3388fae3551SRodney W. Grimes options |= F_RROUTE; 3398fae3551SRodney W. Grimes break; 3408fae3551SRodney W. Grimes case 'r': 3418fae3551SRodney W. Grimes options |= F_SO_DONTROUTE; 3428fae3551SRodney W. Grimes break; 3438fae3551SRodney W. Grimes case 's': /* size of packet to send */ 344526f06b2SMatthew Dillon if (uid) { 345526f06b2SMatthew Dillon errno = EPERM; 346526f06b2SMatthew Dillon err(EX_NOPERM, "-s flag"); 347526f06b2SMatthew Dillon } 34843470e3bSGarrett Wollman ultmp = strtoul(optarg, &ep, 0); 3494fba6582SMaxim Konovalov if (ultmp > MAXPAYLOAD) 3504fba6582SMaxim Konovalov errx(EX_USAGE, 3514fba6582SMaxim Konovalov "packet size too large: %lu > %u", 3524fba6582SMaxim Konovalov ultmp, MAXPAYLOAD); 3534fba6582SMaxim Konovalov if (*ep || ep == optarg) 35443470e3bSGarrett Wollman errx(EX_USAGE, "invalid packet size: `%s'", 35543470e3bSGarrett Wollman optarg); 35643470e3bSGarrett Wollman datalen = ultmp; 3578fae3551SRodney W. Grimes break; 35899490edeSWarner Losh case 'S': 35999490edeSWarner Losh source = optarg; 36099490edeSWarner Losh break; 3617237fd94SBill Fumerola case 't': 362bf113f1bSBill Fumerola alarmtimeout = strtoul(optarg, &ep, 0); 363bf113f1bSBill Fumerola if ((alarmtimeout < 1) || (alarmtimeout == ULONG_MAX)) 3647237fd94SBill Fumerola errx(EX_USAGE, "invalid timeout: `%s'", 3657237fd94SBill Fumerola optarg); 366bf113f1bSBill Fumerola if (alarmtimeout > MAXALARM) 367bf113f1bSBill Fumerola errx(EX_USAGE, "invalid timeout: `%s' > %d", 368bf113f1bSBill Fumerola optarg, MAXALARM); 369bf113f1bSBill Fumerola alarm((int)alarmtimeout); 3707237fd94SBill Fumerola break; 37185456935SBill Fenner case 'T': /* multicast TTL */ 37243470e3bSGarrett Wollman ultmp = strtoul(optarg, &ep, 0); 37343470e3bSGarrett Wollman if (*ep || ep == optarg || ultmp > 255) 37443470e3bSGarrett Wollman errx(EX_USAGE, "invalid multicast TTL: `%s'", 37543470e3bSGarrett Wollman optarg); 376211bfbd2SRuslan Ermilov mttl = ultmp; 37785456935SBill Fenner options |= F_MTTL; 37885456935SBill Fenner break; 3798fae3551SRodney W. Grimes case 'v': 3808fae3551SRodney W. Grimes options |= F_VERBOSE; 3818fae3551SRodney W. Grimes break; 3829a4365d0SYoshinobu Inoue #ifdef IPSEC 3839a4365d0SYoshinobu Inoue #ifdef IPSEC_POLICY_IPSEC 3849a4365d0SYoshinobu Inoue case 'P': 3859a4365d0SYoshinobu Inoue options |= F_POLICY; 3869a4365d0SYoshinobu Inoue if (!strncmp("in", optarg, 2)) 3879a4365d0SYoshinobu Inoue policy_in = strdup(optarg); 3889a4365d0SYoshinobu Inoue else if (!strncmp("out", optarg, 3)) 3899a4365d0SYoshinobu Inoue policy_out = strdup(optarg); 3909a4365d0SYoshinobu Inoue else 3919a4365d0SYoshinobu Inoue errx(1, "invalid security policy"); 3929a4365d0SYoshinobu Inoue break; 3939a4365d0SYoshinobu Inoue #endif /*IPSEC_POLICY_IPSEC*/ 3949a4365d0SYoshinobu Inoue #endif /*IPSEC*/ 3958fae3551SRodney W. Grimes default: 396e345a80dSPhilippe Charnier usage(); 39743470e3bSGarrett Wollman } 39843470e3bSGarrett Wollman } 39943470e3bSGarrett Wollman 40043470e3bSGarrett Wollman if (argc - optind != 1) 401e345a80dSPhilippe Charnier usage(); 40243470e3bSGarrett Wollman target = argv[optind]; 4038fae3551SRodney W. Grimes 40499490edeSWarner Losh if (source) { 40599490edeSWarner Losh bzero((char *)&sin, sizeof(sin)); 40699490edeSWarner Losh sin.sin_family = AF_INET; 40799490edeSWarner Losh if (inet_aton(source, &sin.sin_addr) != 0) { 40899490edeSWarner Losh shostname = source; 40999490edeSWarner Losh } else { 41099490edeSWarner Losh hp = gethostbyname2(source, AF_INET); 41199490edeSWarner Losh if (!hp) 41299490edeSWarner Losh errx(EX_NOHOST, "cannot resolve %s: %s", 41399490edeSWarner Losh source, hstrerror(h_errno)); 41499490edeSWarner Losh 41599490edeSWarner Losh sin.sin_len = sizeof sin; 4164fba6582SMaxim Konovalov if (hp->h_length > sizeof(sin.sin_addr) || 4174fba6582SMaxim Konovalov hp->h_length < 0) 41899490edeSWarner Losh errx(1, "gethostbyname2: illegal address"); 41999490edeSWarner Losh memcpy(&sin.sin_addr, hp->h_addr_list[0], 42099490edeSWarner Losh sizeof(sin.sin_addr)); 42199490edeSWarner Losh (void)strncpy(snamebuf, hp->h_name, 42299490edeSWarner Losh sizeof(snamebuf) - 1); 42399490edeSWarner Losh snamebuf[sizeof(snamebuf) - 1] = '\0'; 42499490edeSWarner Losh shostname = snamebuf; 42599490edeSWarner Losh } 42699490edeSWarner Losh if (bind(s, (struct sockaddr *)&sin, sizeof sin) == -1) 42799490edeSWarner Losh err(1, "bind"); 42899490edeSWarner Losh } 42999490edeSWarner Losh 430d389e86aSMatt Jacob bzero(&whereto, sizeof(whereto)); 431d389e86aSMatt Jacob to = &whereto; 4328fae3551SRodney W. Grimes to->sin_family = AF_INET; 433d389e86aSMatt Jacob to->sin_len = sizeof *to; 43443470e3bSGarrett Wollman if (inet_aton(target, &to->sin_addr) != 0) { 4358fae3551SRodney W. Grimes hostname = target; 43643470e3bSGarrett Wollman } else { 43743470e3bSGarrett Wollman hp = gethostbyname2(target, AF_INET); 43843470e3bSGarrett Wollman if (!hp) 43943470e3bSGarrett Wollman errx(EX_NOHOST, "cannot resolve %s: %s", 44043470e3bSGarrett Wollman target, hstrerror(h_errno)); 44143470e3bSGarrett Wollman 4421ffae4a6SWarner Losh if (hp->h_length > sizeof(to->sin_addr)) 4431ffae4a6SWarner Losh errx(1, "gethostbyname2 returned an illegal address"); 44443470e3bSGarrett Wollman memcpy(&to->sin_addr, hp->h_addr_list[0], sizeof to->sin_addr); 4458fae3551SRodney W. Grimes (void)strncpy(hnamebuf, hp->h_name, sizeof(hnamebuf) - 1); 446b10d9d5fSWarner Losh hnamebuf[sizeof(hnamebuf) - 1] = '\0'; 4478fae3551SRodney W. Grimes hostname = hnamebuf; 4488fae3551SRodney W. Grimes } 4498fae3551SRodney W. Grimes 45043470e3bSGarrett Wollman if (options & F_FLOOD && options & F_INTERVAL) 45143470e3bSGarrett Wollman errx(EX_USAGE, "-f and -i: incompatible options"); 45243470e3bSGarrett Wollman 45343470e3bSGarrett Wollman if (options & F_FLOOD && IN_MULTICAST(ntohl(to->sin_addr.s_addr))) 45443470e3bSGarrett Wollman errx(EX_USAGE, 45543470e3bSGarrett Wollman "-f flag cannot be used with multicast destination"); 45643470e3bSGarrett Wollman if (options & (F_MIF | F_NOLOOP | F_MTTL) 45743470e3bSGarrett Wollman && !IN_MULTICAST(ntohl(to->sin_addr.s_addr))) 45843470e3bSGarrett Wollman errx(EX_USAGE, 45943470e3bSGarrett Wollman "-I, -L, -T flags cannot be used with unicast destination"); 4608fae3551SRodney W. Grimes 461d32ff037SJohn Birrell if (datalen >= PHDR_LEN) /* can we time transfer */ 4628fae3551SRodney W. Grimes timing = 1; 4634fba6582SMaxim Konovalov packlen = MAXIPLEN + MAXICMPLEN + datalen; 4644fba6582SMaxim Konovalov packlen = packlen > IP_MAXPACKET ? IP_MAXPACKET : packlen; 46543470e3bSGarrett Wollman 4668fae3551SRodney W. Grimes if (!(options & F_PINGFILLED)) 467d32ff037SJohn Birrell for (i = PHDR_LEN; i < datalen; ++i) 4688fae3551SRodney W. Grimes *datap++ = i; 4698fae3551SRodney W. Grimes 4708fae3551SRodney W. Grimes ident = getpid() & 0xFFFF; 4718fae3551SRodney W. Grimes 472f1284d7aSBill Fenner if (s < 0) { 473f1284d7aSBill Fenner errno = sockerrno; 47443470e3bSGarrett Wollman err(EX_OSERR, "socket"); 4758fae3551SRodney W. Grimes } 4768fae3551SRodney W. Grimes hold = 1; 4778fae3551SRodney W. Grimes if (options & F_SO_DEBUG) 4788fae3551SRodney W. Grimes (void)setsockopt(s, SOL_SOCKET, SO_DEBUG, (char *)&hold, 4798fae3551SRodney W. Grimes sizeof(hold)); 4808fae3551SRodney W. Grimes if (options & F_SO_DONTROUTE) 4818fae3551SRodney W. Grimes (void)setsockopt(s, SOL_SOCKET, SO_DONTROUTE, (char *)&hold, 4828fae3551SRodney W. Grimes sizeof(hold)); 4839a4365d0SYoshinobu Inoue #ifdef IPSEC 4849a4365d0SYoshinobu Inoue #ifdef IPSEC_POLICY_IPSEC 4859a4365d0SYoshinobu Inoue if (options & F_POLICY) { 4869a4365d0SYoshinobu Inoue char *buf; 4879a4365d0SYoshinobu Inoue if (policy_in != NULL) { 4889a4365d0SYoshinobu Inoue buf = ipsec_set_policy(policy_in, strlen(policy_in)); 4899a4365d0SYoshinobu Inoue if (buf == NULL) 490ffd40070SKris Kennaway errx(EX_CONFIG, "%s", ipsec_strerror()); 4919a4365d0SYoshinobu Inoue if (setsockopt(s, IPPROTO_IP, IP_IPSEC_POLICY, 4929a4365d0SYoshinobu Inoue buf, ipsec_get_policylen(buf)) < 0) 4931ad0b1beSMaxim Konovalov err(EX_CONFIG, 4941ad0b1beSMaxim Konovalov "ipsec policy cannot be configured"); 4959a4365d0SYoshinobu Inoue free(buf); 4969a4365d0SYoshinobu Inoue } 4979a4365d0SYoshinobu Inoue 4989a4365d0SYoshinobu Inoue if (policy_out != NULL) { 4999a4365d0SYoshinobu Inoue buf = ipsec_set_policy(policy_out, strlen(policy_out)); 5009a4365d0SYoshinobu Inoue if (buf == NULL) 501ffd40070SKris Kennaway errx(EX_CONFIG, "%s", ipsec_strerror()); 5029a4365d0SYoshinobu Inoue if (setsockopt(s, IPPROTO_IP, IP_IPSEC_POLICY, 5039a4365d0SYoshinobu Inoue buf, ipsec_get_policylen(buf)) < 0) 5041ad0b1beSMaxim Konovalov err(EX_CONFIG, 5051ad0b1beSMaxim Konovalov "ipsec policy cannot be configured"); 5069a4365d0SYoshinobu Inoue free(buf); 5079a4365d0SYoshinobu Inoue } 5089a4365d0SYoshinobu Inoue } 5099a4365d0SYoshinobu Inoue #endif /*IPSEC_POLICY_IPSEC*/ 5109a4365d0SYoshinobu Inoue #endif /*IPSEC*/ 5118fae3551SRodney W. Grimes 5128fae3551SRodney W. Grimes /* record route option */ 5138fae3551SRodney W. Grimes if (options & F_RROUTE) { 5148fae3551SRodney W. Grimes #ifdef IP_OPTIONS 515039d6aa4SBill Fenner bzero(rspace, sizeof(rspace)); 5168fae3551SRodney W. Grimes rspace[IPOPT_OPTVAL] = IPOPT_RR; 5178fae3551SRodney W. Grimes rspace[IPOPT_OLEN] = sizeof(rspace) - 1; 5188fae3551SRodney W. Grimes rspace[IPOPT_OFFSET] = IPOPT_MINOFF; 519039d6aa4SBill Fenner rspace[sizeof(rspace) - 1] = IPOPT_EOL; 5208fae3551SRodney W. Grimes if (setsockopt(s, IPPROTO_IP, IP_OPTIONS, rspace, 52143470e3bSGarrett Wollman sizeof(rspace)) < 0) 52243470e3bSGarrett Wollman err(EX_OSERR, "setsockopt IP_OPTIONS"); 5238fae3551SRodney W. Grimes #else 52443470e3bSGarrett Wollman errx(EX_UNAVAILABLE, 52543470e3bSGarrett Wollman "record route not available in this implementation"); 5268fae3551SRodney W. Grimes #endif /* IP_OPTIONS */ 5278fae3551SRodney W. Grimes } 5288fae3551SRodney W. Grimes 529211bfbd2SRuslan Ermilov if (options & F_TTL) { 530211bfbd2SRuslan Ermilov if (setsockopt(s, IPPROTO_IP, IP_TTL, &ttl, 531211bfbd2SRuslan Ermilov sizeof(ttl)) < 0) { 532211bfbd2SRuslan Ermilov err(EX_OSERR, "setsockopt IP_TTL"); 533211bfbd2SRuslan Ermilov } 534211bfbd2SRuslan Ermilov } 53585456935SBill Fenner if (options & F_NOLOOP) { 53685456935SBill Fenner if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, 53785456935SBill Fenner sizeof(loop)) < 0) { 53843470e3bSGarrett Wollman err(EX_OSERR, "setsockopt IP_MULTICAST_LOOP"); 53985456935SBill Fenner } 54085456935SBill Fenner } 54185456935SBill Fenner if (options & F_MTTL) { 542211bfbd2SRuslan Ermilov if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_TTL, &mttl, 543211bfbd2SRuslan Ermilov sizeof(mttl)) < 0) { 54443470e3bSGarrett Wollman err(EX_OSERR, "setsockopt IP_MULTICAST_TTL"); 54585456935SBill Fenner } 54685456935SBill Fenner } 54785456935SBill Fenner if (options & F_MIF) { 54885456935SBill Fenner if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF, &ifaddr, 54985456935SBill Fenner sizeof(ifaddr)) < 0) { 55043470e3bSGarrett Wollman err(EX_OSERR, "setsockopt IP_MULTICAST_IF"); 55185456935SBill Fenner } 55285456935SBill Fenner } 553039d6aa4SBill Fenner #ifdef SO_TIMESTAMP 554039d6aa4SBill Fenner { int on = 1; 555039d6aa4SBill Fenner if (setsockopt(s, SOL_SOCKET, SO_TIMESTAMP, &on, sizeof(on)) < 0) 556039d6aa4SBill Fenner err(EX_OSERR, "setsockopt SO_TIMESTAMP"); 557039d6aa4SBill Fenner } 558039d6aa4SBill Fenner #endif 55985456935SBill Fenner 5608fae3551SRodney W. Grimes /* 5618fae3551SRodney W. Grimes * When pinging the broadcast address, you can get a lot of answers. 5628fae3551SRodney W. Grimes * Doing something so evil is useful if you are trying to stress the 5638fae3551SRodney W. Grimes * ethernet, or just want to fill the arp cache to get some stuff for 56443470e3bSGarrett Wollman * /etc/ethers. But beware: RFC 1122 allows hosts to ignore broadcast 56543470e3bSGarrett Wollman * or multicast pings if they wish. 5668fae3551SRodney W. Grimes */ 5674fba6582SMaxim Konovalov 5684fba6582SMaxim Konovalov /* 5694fba6582SMaxim Konovalov * XXX receive buffer needs undetermined space for mbuf overhead 5704fba6582SMaxim Konovalov * as well. 5714fba6582SMaxim Konovalov */ 5724fba6582SMaxim Konovalov hold = IP_MAXPACKET + 128; 5738fae3551SRodney W. Grimes (void)setsockopt(s, SOL_SOCKET, SO_RCVBUF, (char *)&hold, 5748fae3551SRodney W. Grimes sizeof(hold)); 5758fae3551SRodney W. Grimes 576e8bd25ceSRobert Watson if (!uid) { 577e8bd25ceSRobert Watson (void)setsockopt(s, SOL_SOCKET, SO_SNDBUF, (char *)&hold, 578e8bd25ceSRobert Watson sizeof(hold)); 579e8bd25ceSRobert Watson } 580e8bd25ceSRobert Watson 58199490edeSWarner Losh if (to->sin_family == AF_INET) { 58299490edeSWarner Losh (void)printf("PING %s (%s)", hostname, 58399490edeSWarner Losh inet_ntoa(to->sin_addr)); 58499490edeSWarner Losh if (source) 58599490edeSWarner Losh (void)printf(" from %s", shostname); 58699490edeSWarner Losh (void)printf(": %d data bytes\n", datalen); 58799490edeSWarner Losh } else 5888fae3551SRodney W. Grimes (void)printf("PING %s: %d data bytes\n", hostname, datalen); 5898fae3551SRodney W. Grimes 5907d81b35cSBruce Evans /* 591a2a00888SSean Eric Fagan * Use sigaction() instead of signal() to get unambiguous semantics, 592a2a00888SSean Eric Fagan * in particular with SA_RESTART not set. 5937d81b35cSBruce Evans */ 594a2a00888SSean Eric Fagan 595f6bd468bSPaul Traina sigemptyset(&si_sa.sa_mask); 59637e5b2c6SSean Eric Fagan si_sa.sa_flags = 0; 597a2a00888SSean Eric Fagan 598a2a00888SSean Eric Fagan si_sa.sa_handler = stopit; 599a2a00888SSean Eric Fagan if (sigaction(SIGINT, &si_sa, 0) == -1) { 600a2a00888SSean Eric Fagan err(EX_OSERR, "sigaction SIGINT"); 601a2a00888SSean Eric Fagan } 602a2a00888SSean Eric Fagan 603a2a00888SSean Eric Fagan si_sa.sa_handler = status; 60437e5b2c6SSean Eric Fagan if (sigaction(SIGINFO, &si_sa, 0) == -1) { 605624ff938SWarner Losh err(EX_OSERR, "sigaction"); 60637e5b2c6SSean Eric Fagan } 607bf113f1bSBill Fumerola 608bf113f1bSBill Fumerola if (alarmtimeout > 0) { 6097237fd94SBill Fumerola si_sa.sa_handler = stopit; 6107237fd94SBill Fumerola if (sigaction(SIGALRM, &si_sa, 0) == -1) 6117237fd94SBill Fumerola err(EX_OSERR, "sigaction SIGALRM"); 612bf113f1bSBill Fumerola } 61337e5b2c6SSean Eric Fagan 614039d6aa4SBill Fenner bzero(&msg, sizeof(msg)); 615039d6aa4SBill Fenner msg.msg_name = (caddr_t)&from; 616039d6aa4SBill Fenner msg.msg_iov = &iov; 617039d6aa4SBill Fenner msg.msg_iovlen = 1; 618039d6aa4SBill Fenner #ifdef SO_TIMESTAMP 619039d6aa4SBill Fenner msg.msg_control = (caddr_t)ctrl; 620039d6aa4SBill Fenner #endif 621039d6aa4SBill Fenner iov.iov_base = packet; 622039d6aa4SBill Fenner iov.iov_len = packlen; 623039d6aa4SBill Fenner 6244055611aSSean Eric Fagan if (tcgetattr(STDOUT_FILENO, &ts) != -1) { 6254055611aSSean Eric Fagan reset_kerninfo = !(ts.c_lflag & NOKERNINFO); 6264055611aSSean Eric Fagan ts.c_lflag |= NOKERNINFO; 6274055611aSSean Eric Fagan tcsetattr(STDOUT_FILENO, TCSANOW, &ts); 6284055611aSSean Eric Fagan } 6294055611aSSean Eric Fagan 63032af342fSRuslan Ermilov if (preload == 0) 63132af342fSRuslan Ermilov pinger(); /* send the first ping */ 63232af342fSRuslan Ermilov else { 63332af342fSRuslan Ermilov if (npackets != 0 && preload > npackets) 63432af342fSRuslan Ermilov preload = npackets; 6358fae3551SRodney W. Grimes while (preload--) /* fire off them quickies */ 6368fae3551SRodney W. Grimes pinger(); 63732af342fSRuslan Ermilov } 63832af342fSRuslan Ermilov (void)gettimeofday(&last, NULL); 6398fae3551SRodney W. Grimes 640039d6aa4SBill Fenner if (options & F_FLOOD) { 641039d6aa4SBill Fenner intvl.tv_sec = 0; 642039d6aa4SBill Fenner intvl.tv_usec = 10000; 643039d6aa4SBill Fenner } else { 644526f06b2SMatthew Dillon intvl.tv_sec = interval / 1000; 645526f06b2SMatthew Dillon intvl.tv_usec = interval % 1000 * 1000; 646039d6aa4SBill Fenner } 647039d6aa4SBill Fenner 6488f975bb3SBruce Evans while (!finish_up) { 6493d438ad6SDavid E. O'Brien int cc; 650039d6aa4SBill Fenner int n; 651039d6aa4SBill Fenner struct timeval timeout, now; 652039d6aa4SBill Fenner fd_set rfds; 6538fae3551SRodney W. Grimes 6547d81b35cSBruce Evans check_status(); 6557e5bbd68SJacques Vidrine if (s >= FD_SETSIZE) 6567e5bbd68SJacques Vidrine errx(EX_OSERR, "descriptor too large"); 657039d6aa4SBill Fenner FD_ZERO(&rfds); 658039d6aa4SBill Fenner FD_SET(s, &rfds); 659039d6aa4SBill Fenner (void)gettimeofday(&now, NULL); 660039d6aa4SBill Fenner timeout.tv_sec = last.tv_sec + intvl.tv_sec - now.tv_sec; 661039d6aa4SBill Fenner timeout.tv_usec = last.tv_usec + intvl.tv_usec - now.tv_usec; 662039d6aa4SBill Fenner while (timeout.tv_usec < 0) { 663039d6aa4SBill Fenner timeout.tv_usec += 1000000; 664039d6aa4SBill Fenner timeout.tv_sec--; 6658fae3551SRodney W. Grimes } 666e345a80dSPhilippe Charnier while (timeout.tv_usec >= 1000000) { 667039d6aa4SBill Fenner timeout.tv_usec -= 1000000; 668039d6aa4SBill Fenner timeout.tv_sec++; 669039d6aa4SBill Fenner } 670039d6aa4SBill Fenner if (timeout.tv_sec < 0) 671039d6aa4SBill Fenner timeout.tv_sec = timeout.tv_usec = 0; 672039d6aa4SBill Fenner n = select(s + 1, &rfds, NULL, NULL, &timeout); 6735e2cc0f4SStephen McKay if (n < 0) 6745e2cc0f4SStephen McKay continue; /* Must be EINTR. */ 675039d6aa4SBill Fenner if (n == 1) { 6769b219646SPeter Wemm struct timeval *t = NULL; 677039d6aa4SBill Fenner #ifdef SO_TIMESTAMP 678039d6aa4SBill Fenner struct cmsghdr *cmsg = (struct cmsghdr *)&ctrl; 679039d6aa4SBill Fenner 680039d6aa4SBill Fenner msg.msg_controllen = sizeof(ctrl); 681039d6aa4SBill Fenner #endif 682039d6aa4SBill Fenner msg.msg_namelen = sizeof(from); 683039d6aa4SBill Fenner if ((cc = recvmsg(s, &msg, 0)) < 0) { 6848fae3551SRodney W. Grimes if (errno == EINTR) 6858fae3551SRodney W. Grimes continue; 686e345a80dSPhilippe Charnier warn("recvmsg"); 6878fae3551SRodney W. Grimes continue; 6888fae3551SRodney W. Grimes } 689039d6aa4SBill Fenner #ifdef SO_TIMESTAMP 690039d6aa4SBill Fenner if (cmsg->cmsg_level == SOL_SOCKET && 691039d6aa4SBill Fenner cmsg->cmsg_type == SCM_TIMESTAMP && 6926ecbec77SYoshinobu Inoue cmsg->cmsg_len == CMSG_LEN(sizeof *t)) { 693fa05a94cSJohn Birrell /* Copy to avoid alignment problems: */ 694fa05a94cSJohn Birrell memcpy(&now, CMSG_DATA(cmsg), sizeof(now)); 695fa05a94cSJohn Birrell t = &now; 696fa05a94cSJohn Birrell } 697039d6aa4SBill Fenner #endif 6989b219646SPeter Wemm if (t == NULL) { 699039d6aa4SBill Fenner (void)gettimeofday(&now, NULL); 700039d6aa4SBill Fenner t = &now; 701039d6aa4SBill Fenner } 702039d6aa4SBill Fenner pr_pack((char *)packet, cc, &from, t); 7038025c44bSDima Dorfman if (options & F_ONCE && nreceived || 7048025c44bSDima Dorfman npackets && nreceived >= npackets) 7058fae3551SRodney W. Grimes break; 7068fae3551SRodney W. Grimes } 7075e2cc0f4SStephen McKay if (n == 0 || options & F_FLOOD) { 708039d6aa4SBill Fenner if (!npackets || ntransmitted < npackets) 709039d6aa4SBill Fenner pinger(); 710039d6aa4SBill Fenner else { 711039d6aa4SBill Fenner if (almost_done) 712039d6aa4SBill Fenner break; 713039d6aa4SBill Fenner almost_done = 1; 7145e2cc0f4SStephen McKay intvl.tv_usec = 0; 715039d6aa4SBill Fenner if (nreceived) { 716039d6aa4SBill Fenner intvl.tv_sec = 2 * tmax / 1000; 717039d6aa4SBill Fenner if (!intvl.tv_sec) 718039d6aa4SBill Fenner intvl.tv_sec = 1; 719039d6aa4SBill Fenner } else 720039d6aa4SBill Fenner intvl.tv_sec = MAXWAIT; 721039d6aa4SBill Fenner } 722039d6aa4SBill Fenner (void)gettimeofday(&last, NULL); 723ca517ad8SPoul-Henning Kamp 72425107197SIan Dowse if (ntransmitted - nreceived - 1 > nmissedmax) { 72525107197SIan Dowse nmissedmax = ntransmitted - nreceived - 1; 72625107197SIan Dowse if (options & F_MISSED) 727ca517ad8SPoul-Henning Kamp (void)write(STDOUT_FILENO, &BBELL, 1); 728039d6aa4SBill Fenner } 729039d6aa4SBill Fenner } 73025107197SIan Dowse } 7318f975bb3SBruce Evans finish(); 7328fae3551SRodney W. Grimes /* NOTREACHED */ 733f78ac61bSWarner Losh exit(0); /* Make the compiler happy */ 7348fae3551SRodney W. Grimes } 7358fae3551SRodney W. Grimes 7368fae3551SRodney W. Grimes /* 7378f975bb3SBruce Evans * stopit -- 7388f975bb3SBruce Evans * Set the global bit that causes the main loop to quit. 7398f975bb3SBruce Evans * Do NOT call finish() from here, since finish() does far too much 7408f975bb3SBruce Evans * to be called from a signal handler. 741515dd2faSJulian Elischer */ 742515dd2faSJulian Elischer void 7438f975bb3SBruce Evans stopit(sig) 744c6facae4SMaxim Konovalov int sig __unused; 745515dd2faSJulian Elischer { 746efc8588dSDavid E. O'Brien 747515dd2faSJulian Elischer finish_up = 1; 748515dd2faSJulian Elischer } 749515dd2faSJulian Elischer 750515dd2faSJulian Elischer /* 7518fae3551SRodney W. Grimes * pinger -- 7528fae3551SRodney W. Grimes * Compose and transmit an ICMP ECHO REQUEST packet. The IP packet 7538fae3551SRodney W. Grimes * will be added on by the kernel. The ID field is our UNIX process ID, 7544fba6582SMaxim Konovalov * and the sequence number is an ascending integer. The first PHDR_LEN 7554fba6582SMaxim Konovalov * bytes of the data portion are used to hold a UNIX "timeval" struct in 7564fba6582SMaxim Konovalov * host byte-order, to compute the round-trip time. 7578fae3551SRodney W. Grimes */ 75843470e3bSGarrett Wollman static void 75943470e3bSGarrett Wollman pinger(void) 7608fae3551SRodney W. Grimes { 7613d438ad6SDavid E. O'Brien struct icmp *icp; 762efc8588dSDavid E. O'Brien int cc, i; 7638fae3551SRodney W. Grimes 7648fae3551SRodney W. Grimes icp = (struct icmp *)outpack; 7658fae3551SRodney W. Grimes icp->icmp_type = ICMP_ECHO; 7668fae3551SRodney W. Grimes icp->icmp_code = 0; 7678fae3551SRodney W. Grimes icp->icmp_cksum = 0; 7685db89bc7SBill Fenner icp->icmp_seq = htons(ntransmitted); 7698fae3551SRodney W. Grimes icp->icmp_id = ident; /* ID */ 7708fae3551SRodney W. Grimes 7715db89bc7SBill Fenner CLR(ntransmitted % mx_dup_ck); 7728fae3551SRodney W. Grimes 7738fae3551SRodney W. Grimes if (timing) 7744fba6582SMaxim Konovalov (void)gettimeofday((struct timeval *)&outpack[MINICMPLEN], 7758fae3551SRodney W. Grimes (struct timezone *)NULL); 7768fae3551SRodney W. Grimes 7774fba6582SMaxim Konovalov cc = MINICMPLEN + datalen; 7788fae3551SRodney W. Grimes 7798fae3551SRodney W. Grimes /* compute ICMP checksum here */ 7808fae3551SRodney W. Grimes icp->icmp_cksum = in_cksum((u_short *)icp, cc); 7818fae3551SRodney W. Grimes 782d389e86aSMatt Jacob i = sendto(s, (char *)outpack, cc, 0, (struct sockaddr *)&whereto, 783d389e86aSMatt Jacob sizeof(whereto)); 7848fae3551SRodney W. Grimes 7858fae3551SRodney W. Grimes if (i < 0 || i != cc) { 78643470e3bSGarrett Wollman if (i < 0) { 7878f975bb3SBruce Evans if (options & F_FLOOD && errno == ENOBUFS) { 788515dd2faSJulian Elischer usleep(FLOOD_BACKOFF); 789515dd2faSJulian Elischer return; 790515dd2faSJulian Elischer } 79143470e3bSGarrett Wollman warn("sendto"); 79243470e3bSGarrett Wollman } else { 79343470e3bSGarrett Wollman warn("%s: partial write: %d of %d bytes", 794416aa49bSPoul-Henning Kamp hostname, i, cc); 7958fae3551SRodney W. Grimes } 796363d7bbeSJulian Elischer } 797363d7bbeSJulian Elischer ntransmitted++; 7988fae3551SRodney W. Grimes if (!(options & F_QUIET) && options & F_FLOOD) 7998fae3551SRodney W. Grimes (void)write(STDOUT_FILENO, &DOT, 1); 8008fae3551SRodney W. Grimes } 8018fae3551SRodney W. Grimes 8028fae3551SRodney W. Grimes /* 8038fae3551SRodney W. Grimes * pr_pack -- 8048fae3551SRodney W. Grimes * Print out the packet, if it came from us. This logic is necessary 8058fae3551SRodney W. Grimes * because ALL readers of the ICMP socket get a copy of ALL ICMP packets 8068fae3551SRodney W. Grimes * which arrive ('tis only fair). This permits multiple copies of this 8078fae3551SRodney W. Grimes * program to be run without having intermingled output (or statistics!). 8088fae3551SRodney W. Grimes */ 80943470e3bSGarrett Wollman static void 810039d6aa4SBill Fenner pr_pack(buf, cc, from, tv) 8118fae3551SRodney W. Grimes char *buf; 8128fae3551SRodney W. Grimes int cc; 8138fae3551SRodney W. Grimes struct sockaddr_in *from; 814039d6aa4SBill Fenner struct timeval *tv; 8158fae3551SRodney W. Grimes { 8169b219646SPeter Wemm struct in_addr ina; 8179b219646SPeter Wemm u_char *cp, *dp; 8183d438ad6SDavid E. O'Brien struct icmp *icp; 8198fae3551SRodney W. Grimes struct ip *ip; 8209d2b0ab8SPeter Wemm const void *tp; 8218f975bb3SBruce Evans double triptime; 822efc8588dSDavid E. O'Brien int dupflag, hlen, i, j, seq; 823efc8588dSDavid E. O'Brien static int old_rrlen; 824efc8588dSDavid E. O'Brien static char old_rr[MAX_IPOPTLEN]; 8258fae3551SRodney W. Grimes 8268fae3551SRodney W. Grimes /* Check the IP header */ 8278fae3551SRodney W. Grimes ip = (struct ip *)buf; 8288fae3551SRodney W. Grimes hlen = ip->ip_hl << 2; 8298fae3551SRodney W. Grimes if (cc < hlen + ICMP_MINLEN) { 8308fae3551SRodney W. Grimes if (options & F_VERBOSE) 83143470e3bSGarrett Wollman warn("packet too short (%d bytes) from %s", cc, 83243470e3bSGarrett Wollman inet_ntoa(from->sin_addr)); 8338fae3551SRodney W. Grimes return; 8348fae3551SRodney W. Grimes } 8358fae3551SRodney W. Grimes 8368fae3551SRodney W. Grimes /* Now the ICMP part */ 8378fae3551SRodney W. Grimes cc -= hlen; 8388fae3551SRodney W. Grimes icp = (struct icmp *)(buf + hlen); 8398fae3551SRodney W. Grimes if (icp->icmp_type == ICMP_ECHOREPLY) { 8408fae3551SRodney W. Grimes if (icp->icmp_id != ident) 8418fae3551SRodney W. Grimes return; /* 'Twas not our ECHO */ 8428fae3551SRodney W. Grimes ++nreceived; 8438f975bb3SBruce Evans triptime = 0.0; 8448fae3551SRodney W. Grimes if (timing) { 845d32ff037SJohn Birrell struct timeval tv1; 8468fae3551SRodney W. Grimes #ifndef icmp_data 8479d2b0ab8SPeter Wemm tp = &icp->icmp_ip; 8488fae3551SRodney W. Grimes #else 8499d2b0ab8SPeter Wemm tp = icp->icmp_data; 8508fae3551SRodney W. Grimes #endif 8519d2b0ab8SPeter Wemm /* Copy to avoid alignment problems: */ 8529d2b0ab8SPeter Wemm memcpy(&tv1, tp, sizeof(tv1)); 853039d6aa4SBill Fenner tvsub(tv, &tv1); 854039d6aa4SBill Fenner triptime = ((double)tv->tv_sec) * 1000.0 + 855039d6aa4SBill Fenner ((double)tv->tv_usec) / 1000.0; 8568fae3551SRodney W. Grimes tsum += triptime; 8573109a910SGarrett Wollman tsumsq += triptime * triptime; 8588fae3551SRodney W. Grimes if (triptime < tmin) 8598fae3551SRodney W. Grimes tmin = triptime; 8608fae3551SRodney W. Grimes if (triptime > tmax) 8618fae3551SRodney W. Grimes tmax = triptime; 8628fae3551SRodney W. Grimes } 8638fae3551SRodney W. Grimes 8645db89bc7SBill Fenner seq = ntohs(icp->icmp_seq); 8655db89bc7SBill Fenner 8665db89bc7SBill Fenner if (TST(seq % mx_dup_ck)) { 8678fae3551SRodney W. Grimes ++nrepeats; 8688fae3551SRodney W. Grimes --nreceived; 8698fae3551SRodney W. Grimes dupflag = 1; 8708fae3551SRodney W. Grimes } else { 8715db89bc7SBill Fenner SET(seq % mx_dup_ck); 8728fae3551SRodney W. Grimes dupflag = 0; 8738fae3551SRodney W. Grimes } 8748fae3551SRodney W. Grimes 8758fae3551SRodney W. Grimes if (options & F_QUIET) 8768fae3551SRodney W. Grimes return; 8778fae3551SRodney W. Grimes 8788fae3551SRodney W. Grimes if (options & F_FLOOD) 8798fae3551SRodney W. Grimes (void)write(STDOUT_FILENO, &BSPACE, 1); 8808fae3551SRodney W. Grimes else { 8818fae3551SRodney W. Grimes (void)printf("%d bytes from %s: icmp_seq=%u", cc, 8828fae3551SRodney W. Grimes inet_ntoa(*(struct in_addr *)&from->sin_addr.s_addr), 8835db89bc7SBill Fenner seq); 8848fae3551SRodney W. Grimes (void)printf(" ttl=%d", ip->ip_ttl); 8858fae3551SRodney W. Grimes if (timing) 886d410b6f1SDavid Greenman (void)printf(" time=%.3f ms", triptime); 8878fae3551SRodney W. Grimes if (dupflag) 8888fae3551SRodney W. Grimes (void)printf(" (DUP!)"); 889772dfa72SDaniel O'Callaghan if (options & F_AUDIBLE) 890ca517ad8SPoul-Henning Kamp (void)write(STDOUT_FILENO, &BBELL, 1); 8918fae3551SRodney W. Grimes /* check the data */ 892d32ff037SJohn Birrell cp = (u_char*)&icp->icmp_data[PHDR_LEN]; 8934fba6582SMaxim Konovalov dp = &outpack[MINICMPLEN + PHDR_LEN]; 894d32ff037SJohn Birrell for (i = PHDR_LEN; i < datalen; ++i, ++cp, ++dp) { 8958fae3551SRodney W. Grimes if (*cp != *dp) { 8968fae3551SRodney W. Grimes (void)printf("\nwrong data byte #%d should be 0x%x but was 0x%x", 8978fae3551SRodney W. Grimes i, *dp, *cp); 8981ad0b1beSMaxim Konovalov (void)printf("\ncp:"); 8998fae3551SRodney W. Grimes cp = (u_char*)&icp->icmp_data[0]; 900d32ff037SJohn Birrell for (i = 0; i < datalen; ++i, ++cp) { 901d32ff037SJohn Birrell if ((i % 32) == 8) 902d32ff037SJohn Birrell (void)printf("\n\t"); 903d32ff037SJohn Birrell (void)printf("%x ", *cp); 904d32ff037SJohn Birrell } 9051ad0b1beSMaxim Konovalov (void)printf("\ndp:"); 9064fba6582SMaxim Konovalov cp = &outpack[MINICMPLEN]; 907d32ff037SJohn Birrell for (i = 0; i < datalen; ++i, ++cp) { 9088fae3551SRodney W. Grimes if ((i % 32) == 8) 9098fae3551SRodney W. Grimes (void)printf("\n\t"); 9108fae3551SRodney W. Grimes (void)printf("%x ", *cp); 9118fae3551SRodney W. Grimes } 9128fae3551SRodney W. Grimes break; 9138fae3551SRodney W. Grimes } 9148fae3551SRodney W. Grimes } 9158fae3551SRodney W. Grimes } 9168fae3551SRodney W. Grimes } else { 917ef9e6dc7SBill Fenner /* 918ef9e6dc7SBill Fenner * We've got something other than an ECHOREPLY. 919ef9e6dc7SBill Fenner * See if it's a reply to something that we sent. 920ef9e6dc7SBill Fenner * We can compare IP destination, protocol, 921ef9e6dc7SBill Fenner * and ICMP type and ID. 922f78ac61bSWarner Losh * 923f78ac61bSWarner Losh * Only print all the error messages if we are running 924f78ac61bSWarner Losh * as root to avoid leaking information not normally 925f78ac61bSWarner Losh * available to those not running as root. 926ef9e6dc7SBill Fenner */ 927ef9e6dc7SBill Fenner #ifndef icmp_data 928ef9e6dc7SBill Fenner struct ip *oip = &icp->icmp_ip; 929ef9e6dc7SBill Fenner #else 930ef9e6dc7SBill Fenner struct ip *oip = (struct ip *)icp->icmp_data; 931ef9e6dc7SBill Fenner #endif 932ef9e6dc7SBill Fenner struct icmp *oicmp = (struct icmp *)(oip + 1); 933ef9e6dc7SBill Fenner 934ee2bf734SWarner Losh if (((options & F_VERBOSE) && uid == 0) || 935ef9e6dc7SBill Fenner (!(options & F_QUIET2) && 936d389e86aSMatt Jacob (oip->ip_dst.s_addr == whereto.sin_addr.s_addr) && 937ef9e6dc7SBill Fenner (oip->ip_p == IPPROTO_ICMP) && 938ef9e6dc7SBill Fenner (oicmp->icmp_type == ICMP_ECHO) && 939ef9e6dc7SBill Fenner (oicmp->icmp_id == ident))) { 9408fae3551SRodney W. Grimes (void)printf("%d bytes from %s: ", cc, 94143470e3bSGarrett Wollman pr_addr(from->sin_addr)); 9428fae3551SRodney W. Grimes pr_icmph(icp); 943ef9e6dc7SBill Fenner } else 944ef9e6dc7SBill Fenner return; 9458fae3551SRodney W. Grimes } 9468fae3551SRodney W. Grimes 9478fae3551SRodney W. Grimes /* Display any IP options */ 9488fae3551SRodney W. Grimes cp = (u_char *)buf + sizeof(struct ip); 9498fae3551SRodney W. Grimes 9508fae3551SRodney W. Grimes for (; hlen > (int)sizeof(struct ip); --hlen, ++cp) 9518fae3551SRodney W. Grimes switch (*cp) { 9528fae3551SRodney W. Grimes case IPOPT_EOL: 9538fae3551SRodney W. Grimes hlen = 0; 9548fae3551SRodney W. Grimes break; 9558fae3551SRodney W. Grimes case IPOPT_LSRR: 9568fae3551SRodney W. Grimes (void)printf("\nLSRR: "); 957301207dfSMaxim Konovalov j = cp[IPOPT_OLEN] - IPOPT_MINOFF + 1; 9588fae3551SRodney W. Grimes hlen -= 2; 959301207dfSMaxim Konovalov cp += 2; 9603c721ab3SMaxim Konovalov if (j >= INADDR_LEN && 9613c721ab3SMaxim Konovalov j <= hlen - (int)sizeof(struct ip)) { 9628fae3551SRodney W. Grimes for (;;) { 963301207dfSMaxim Konovalov bcopy(++cp, &ina.s_addr, INADDR_LEN); 964301207dfSMaxim Konovalov if (ina.s_addr == 0) 9651ad0b1beSMaxim Konovalov (void)printf("\t0.0.0.0"); 966301207dfSMaxim Konovalov else 9671ad0b1beSMaxim Konovalov (void)printf("\t%s", 9681ad0b1beSMaxim Konovalov pr_addr(ina)); 969301207dfSMaxim Konovalov hlen -= INADDR_LEN; 970301207dfSMaxim Konovalov cp += INADDR_LEN - 1; 971301207dfSMaxim Konovalov j -= INADDR_LEN; 972301207dfSMaxim Konovalov if (j < INADDR_LEN) 9738fae3551SRodney W. Grimes break; 9748fae3551SRodney W. Grimes (void)putchar('\n'); 9758fae3551SRodney W. Grimes } 976301207dfSMaxim Konovalov } else 977301207dfSMaxim Konovalov (void)printf("\t(truncated route)\n"); 9788fae3551SRodney W. Grimes break; 9798fae3551SRodney W. Grimes case IPOPT_RR: 980301207dfSMaxim Konovalov j = cp[IPOPT_OLEN]; /* get length */ 981301207dfSMaxim Konovalov i = cp[IPOPT_OFFSET]; /* and pointer */ 9828fae3551SRodney W. Grimes hlen -= 2; 983301207dfSMaxim Konovalov cp += 2; 9848fae3551SRodney W. Grimes if (i > j) 9858fae3551SRodney W. Grimes i = j; 986301207dfSMaxim Konovalov i = i - IPOPT_MINOFF + 1; 987301207dfSMaxim Konovalov if (i < 0 || i > (hlen - (int)sizeof(struct ip))) { 988301207dfSMaxim Konovalov old_rrlen = 0; 9898fae3551SRodney W. Grimes continue; 990301207dfSMaxim Konovalov } 9918fae3551SRodney W. Grimes if (i == old_rrlen 9928fae3551SRodney W. Grimes && !bcmp((char *)cp, old_rr, i) 9938fae3551SRodney W. Grimes && !(options & F_FLOOD)) { 9948fae3551SRodney W. Grimes (void)printf("\t(same route)"); 9958fae3551SRodney W. Grimes hlen -= i; 9968fae3551SRodney W. Grimes cp += i; 9978fae3551SRodney W. Grimes break; 9988fae3551SRodney W. Grimes } 9998fae3551SRodney W. Grimes old_rrlen = i; 10008fae3551SRodney W. Grimes bcopy((char *)cp, old_rr, i); 1001c03e877aSWarner Losh 10028fae3551SRodney W. Grimes (void)printf("\nRR: "); 1003301207dfSMaxim Konovalov 1004301207dfSMaxim Konovalov if (i >= INADDR_LEN && 1005301207dfSMaxim Konovalov i <= hlen - (int)sizeof(struct ip)) { 10068fae3551SRodney W. Grimes for (;;) { 1007301207dfSMaxim Konovalov bcopy(++cp, &ina.s_addr, INADDR_LEN); 1008301207dfSMaxim Konovalov if (ina.s_addr == 0) 10091ad0b1beSMaxim Konovalov (void)printf("\t0.0.0.0"); 1010301207dfSMaxim Konovalov else 1011301207dfSMaxim Konovalov (void)printf("\t%s", 1012301207dfSMaxim Konovalov pr_addr(ina)); 1013301207dfSMaxim Konovalov hlen -= INADDR_LEN; 1014301207dfSMaxim Konovalov cp += INADDR_LEN - 1; 1015301207dfSMaxim Konovalov i -= INADDR_LEN; 1016301207dfSMaxim Konovalov if (i < INADDR_LEN) 10178fae3551SRodney W. Grimes break; 10188fae3551SRodney W. Grimes (void)putchar('\n'); 10198fae3551SRodney W. Grimes } 1020301207dfSMaxim Konovalov } else 1021301207dfSMaxim Konovalov (void)printf("\t(truncated route)"); 10228fae3551SRodney W. Grimes break; 10238fae3551SRodney W. Grimes case IPOPT_NOP: 10248fae3551SRodney W. Grimes (void)printf("\nNOP"); 10258fae3551SRodney W. Grimes break; 10268fae3551SRodney W. Grimes default: 10278fae3551SRodney W. Grimes (void)printf("\nunknown option %x", *cp); 10288fae3551SRodney W. Grimes break; 10298fae3551SRodney W. Grimes } 10308fae3551SRodney W. Grimes if (!(options & F_FLOOD)) { 10318fae3551SRodney W. Grimes (void)putchar('\n'); 10328fae3551SRodney W. Grimes (void)fflush(stdout); 10338fae3551SRodney W. Grimes } 10348fae3551SRodney W. Grimes } 10358fae3551SRodney W. Grimes 10368fae3551SRodney W. Grimes /* 10378fae3551SRodney W. Grimes * in_cksum -- 10388fae3551SRodney W. Grimes * Checksum routine for Internet Protocol family headers (C Version) 10398fae3551SRodney W. Grimes */ 104043470e3bSGarrett Wollman u_short 10418fae3551SRodney W. Grimes in_cksum(addr, len) 10428fae3551SRodney W. Grimes u_short *addr; 10438fae3551SRodney W. Grimes int len; 10448fae3551SRodney W. Grimes { 1045efc8588dSDavid E. O'Brien int nleft, sum; 1046efc8588dSDavid E. O'Brien u_short *w; 10473ec12efeSPierre Beyssac union { 104809333e78SPierre Beyssac u_short us; 104909333e78SPierre Beyssac u_char uc[2]; 105009333e78SPierre Beyssac } last; 105109333e78SPierre Beyssac u_short answer; 10528fae3551SRodney W. Grimes 1053efc8588dSDavid E. O'Brien nleft = len; 1054efc8588dSDavid E. O'Brien sum = 0; 1055efc8588dSDavid E. O'Brien w = addr; 1056efc8588dSDavid E. O'Brien 10578fae3551SRodney W. Grimes /* 10588fae3551SRodney W. Grimes * Our algorithm is simple, using a 32 bit accumulator (sum), we add 10598fae3551SRodney W. Grimes * sequential 16 bit words to it, and at the end, fold back all the 10608fae3551SRodney W. Grimes * carry bits from the top 16 bits into the lower 16 bits. 10618fae3551SRodney W. Grimes */ 10628fae3551SRodney W. Grimes while (nleft > 1) { 10638fae3551SRodney W. Grimes sum += *w++; 10648fae3551SRodney W. Grimes nleft -= 2; 10658fae3551SRodney W. Grimes } 10668fae3551SRodney W. Grimes 10678fae3551SRodney W. Grimes /* mop up an odd byte, if necessary */ 10688fae3551SRodney W. Grimes if (nleft == 1) { 106909333e78SPierre Beyssac last.uc[0] = *(u_char *)w; 107009333e78SPierre Beyssac last.uc[1] = 0; 107109333e78SPierre Beyssac sum += last.us; 10728fae3551SRodney W. Grimes } 10738fae3551SRodney W. Grimes 10748fae3551SRodney W. Grimes /* add back carry outs from top 16 bits to low 16 bits */ 10758fae3551SRodney W. Grimes sum = (sum >> 16) + (sum & 0xffff); /* add hi 16 to low 16 */ 10768fae3551SRodney W. Grimes sum += (sum >> 16); /* add carry */ 107709333e78SPierre Beyssac answer = ~sum; /* truncate to 16 bits */ 107809333e78SPierre Beyssac return(answer); 10798fae3551SRodney W. Grimes } 10808fae3551SRodney W. Grimes 10818fae3551SRodney W. Grimes /* 10828fae3551SRodney W. Grimes * tvsub -- 10838fae3551SRodney W. Grimes * Subtract 2 timeval structs: out = out - in. Out is assumed to 10848fae3551SRodney W. Grimes * be >= in. 10858fae3551SRodney W. Grimes */ 108643470e3bSGarrett Wollman static void 10878fae3551SRodney W. Grimes tvsub(out, in) 10883d438ad6SDavid E. O'Brien struct timeval *out, *in; 10898fae3551SRodney W. Grimes { 1090efc8588dSDavid E. O'Brien 10918fae3551SRodney W. Grimes if ((out->tv_usec -= in->tv_usec) < 0) { 10928fae3551SRodney W. Grimes --out->tv_sec; 10938fae3551SRodney W. Grimes out->tv_usec += 1000000; 10948fae3551SRodney W. Grimes } 10958fae3551SRodney W. Grimes out->tv_sec -= in->tv_sec; 10968fae3551SRodney W. Grimes } 10978fae3551SRodney W. Grimes 10988fae3551SRodney W. Grimes /* 1099badd8138SSean Eric Fagan * status -- 1100badd8138SSean Eric Fagan * Print out statistics when SIGINFO is received. 1101badd8138SSean Eric Fagan */ 1102badd8138SSean Eric Fagan 110343470e3bSGarrett Wollman static void 11047d81b35cSBruce Evans status(sig) 1105c6facae4SMaxim Konovalov int sig __unused; 11067d81b35cSBruce Evans { 1107efc8588dSDavid E. O'Brien 110837e5b2c6SSean Eric Fagan siginfo_p = 1; 110937e5b2c6SSean Eric Fagan } 111037e5b2c6SSean Eric Fagan 111143470e3bSGarrett Wollman static void 111237e5b2c6SSean Eric Fagan check_status() 1113badd8138SSean Eric Fagan { 1114efc8588dSDavid E. O'Brien 111537e5b2c6SSean Eric Fagan if (siginfo_p) { 111637e5b2c6SSean Eric Fagan siginfo_p = 0; 11177d81b35cSBruce Evans (void)fprintf(stderr, 11187d81b35cSBruce Evans "\r%ld/%ld packets received (%.0f%%) %.3f min / %.3f avg / %.3f max\n", 11197d81b35cSBruce Evans nreceived, ntransmitted, 11207d81b35cSBruce Evans ntransmitted ? nreceived * 100.0 / ntransmitted : 0.0, 11217d81b35cSBruce Evans nreceived ? tmin : 0.0, 11227d81b35cSBruce Evans nreceived + nrepeats ? tsum / (nreceived + nrepeats) : tsum, 11237d81b35cSBruce Evans tmax); 112437e5b2c6SSean Eric Fagan } 1125badd8138SSean Eric Fagan } 1126badd8138SSean Eric Fagan 1127badd8138SSean Eric Fagan /* 11288fae3551SRodney W. Grimes * finish -- 11298fae3551SRodney W. Grimes * Print out statistics, and give up. 11308fae3551SRodney W. Grimes */ 113143470e3bSGarrett Wollman static void 11328f975bb3SBruce Evans finish() 11338fae3551SRodney W. Grimes { 1134efc8588dSDavid E. O'Brien 1135badd8138SSean Eric Fagan struct termios ts; 11368fae3551SRodney W. Grimes 11378fae3551SRodney W. Grimes (void)signal(SIGINT, SIG_IGN); 1138a2a00888SSean Eric Fagan (void)signal(SIGALRM, SIG_IGN); 11398fae3551SRodney W. Grimes (void)putchar('\n'); 11408fae3551SRodney W. Grimes (void)fflush(stdout); 11418fae3551SRodney W. Grimes (void)printf("--- %s ping statistics ---\n", hostname); 11428fae3551SRodney W. Grimes (void)printf("%ld packets transmitted, ", ntransmitted); 11438fae3551SRodney W. Grimes (void)printf("%ld packets received, ", nreceived); 11448fae3551SRodney W. Grimes if (nrepeats) 11458fae3551SRodney W. Grimes (void)printf("+%ld duplicates, ", nrepeats); 1146ebe70c8fSWarner Losh if (ntransmitted) { 11478fae3551SRodney W. Grimes if (nreceived > ntransmitted) 11488fae3551SRodney W. Grimes (void)printf("-- somebody's printing up packets!"); 11498fae3551SRodney W. Grimes else 11508fae3551SRodney W. Grimes (void)printf("%d%% packet loss", 11518fae3551SRodney W. Grimes (int)(((ntransmitted - nreceived) * 100) / 11528fae3551SRodney W. Grimes ntransmitted)); 1153ebe70c8fSWarner Losh } 11548fae3551SRodney W. Grimes (void)putchar('\n'); 11553109a910SGarrett Wollman if (nreceived && timing) { 11563109a910SGarrett Wollman double n = nreceived + nrepeats; 11573109a910SGarrett Wollman double avg = tsum / n; 11583109a910SGarrett Wollman double vari = tsumsq / n - avg * avg; 11591ad0b1beSMaxim Konovalov (void)printf( 11601ad0b1beSMaxim Konovalov "round-trip min/avg/max/stddev = %.3f/%.3f/%.3f/%.3f ms\n", 11613109a910SGarrett Wollman tmin, avg, tmax, sqrt(vari)); 11623109a910SGarrett Wollman } 11632ceaae21SBruce Evans if (reset_kerninfo && tcgetattr(STDOUT_FILENO, &ts) != -1) { 1164badd8138SSean Eric Fagan ts.c_lflag &= ~NOKERNINFO; 11652ceaae21SBruce Evans tcsetattr(STDOUT_FILENO, TCSANOW, &ts); 1166badd8138SSean Eric Fagan } 1167badd8138SSean Eric Fagan 11686e1173dcSDavid Greenman if (nreceived) 11698fae3551SRodney W. Grimes exit(0); 11706e1173dcSDavid Greenman else 11716e1173dcSDavid Greenman exit(2); 11728fae3551SRodney W. Grimes } 11738fae3551SRodney W. Grimes 11748fae3551SRodney W. Grimes #ifdef notdef 11758fae3551SRodney W. Grimes static char *ttab[] = { 11768fae3551SRodney W. Grimes "Echo Reply", /* ip + seq + udata */ 11778fae3551SRodney W. Grimes "Dest Unreachable", /* net, host, proto, port, frag, sr + IP */ 11788fae3551SRodney W. Grimes "Source Quench", /* IP */ 11798fae3551SRodney W. Grimes "Redirect", /* redirect type, gateway, + IP */ 11808fae3551SRodney W. Grimes "Echo", 11818fae3551SRodney W. Grimes "Time Exceeded", /* transit, frag reassem + IP */ 11828fae3551SRodney W. Grimes "Parameter Problem", /* pointer + IP */ 11838fae3551SRodney W. Grimes "Timestamp", /* id + seq + three timestamps */ 11848fae3551SRodney W. Grimes "Timestamp Reply", /* " */ 11858fae3551SRodney W. Grimes "Info Request", /* id + sq */ 11868fae3551SRodney W. Grimes "Info Reply" /* " */ 11878fae3551SRodney W. Grimes }; 11888fae3551SRodney W. Grimes #endif 11898fae3551SRodney W. Grimes 11908fae3551SRodney W. Grimes /* 11918fae3551SRodney W. Grimes * pr_icmph -- 11928fae3551SRodney W. Grimes * Print a descriptive string about an ICMP header. 11938fae3551SRodney W. Grimes */ 119443470e3bSGarrett Wollman static void 11958fae3551SRodney W. Grimes pr_icmph(icp) 11968fae3551SRodney W. Grimes struct icmp *icp; 11978fae3551SRodney W. Grimes { 1198efc8588dSDavid E. O'Brien 11998fae3551SRodney W. Grimes switch(icp->icmp_type) { 12008fae3551SRodney W. Grimes case ICMP_ECHOREPLY: 12018fae3551SRodney W. Grimes (void)printf("Echo Reply\n"); 12028fae3551SRodney W. Grimes /* XXX ID + Seq + Data */ 12038fae3551SRodney W. Grimes break; 12048fae3551SRodney W. Grimes case ICMP_UNREACH: 12058fae3551SRodney W. Grimes switch(icp->icmp_code) { 12068fae3551SRodney W. Grimes case ICMP_UNREACH_NET: 12078fae3551SRodney W. Grimes (void)printf("Destination Net Unreachable\n"); 12088fae3551SRodney W. Grimes break; 12098fae3551SRodney W. Grimes case ICMP_UNREACH_HOST: 12108fae3551SRodney W. Grimes (void)printf("Destination Host Unreachable\n"); 12118fae3551SRodney W. Grimes break; 12128fae3551SRodney W. Grimes case ICMP_UNREACH_PROTOCOL: 12138fae3551SRodney W. Grimes (void)printf("Destination Protocol Unreachable\n"); 12148fae3551SRodney W. Grimes break; 12158fae3551SRodney W. Grimes case ICMP_UNREACH_PORT: 12168fae3551SRodney W. Grimes (void)printf("Destination Port Unreachable\n"); 12178fae3551SRodney W. Grimes break; 12188fae3551SRodney W. Grimes case ICMP_UNREACH_NEEDFRAG: 1219ef9e6dc7SBill Fenner (void)printf("frag needed and DF set (MTU %d)\n", 1220ff49597eSBill Fenner ntohs(icp->icmp_nextmtu)); 12218fae3551SRodney W. Grimes break; 12228fae3551SRodney W. Grimes case ICMP_UNREACH_SRCFAIL: 12238fae3551SRodney W. Grimes (void)printf("Source Route Failed\n"); 12248fae3551SRodney W. Grimes break; 1225ef9e6dc7SBill Fenner case ICMP_UNREACH_FILTER_PROHIB: 1226ef9e6dc7SBill Fenner (void)printf("Communication prohibited by filter\n"); 1227ef9e6dc7SBill Fenner break; 12288fae3551SRodney W. Grimes default: 12298fae3551SRodney W. Grimes (void)printf("Dest Unreachable, Bad Code: %d\n", 12308fae3551SRodney W. Grimes icp->icmp_code); 12318fae3551SRodney W. Grimes break; 12328fae3551SRodney W. Grimes } 12338fae3551SRodney W. Grimes /* Print returned IP header information */ 12348fae3551SRodney W. Grimes #ifndef icmp_data 12358fae3551SRodney W. Grimes pr_retip(&icp->icmp_ip); 12368fae3551SRodney W. Grimes #else 12378fae3551SRodney W. Grimes pr_retip((struct ip *)icp->icmp_data); 12388fae3551SRodney W. Grimes #endif 12398fae3551SRodney W. Grimes break; 12408fae3551SRodney W. Grimes case ICMP_SOURCEQUENCH: 12418fae3551SRodney W. Grimes (void)printf("Source Quench\n"); 12428fae3551SRodney W. Grimes #ifndef icmp_data 12438fae3551SRodney W. Grimes pr_retip(&icp->icmp_ip); 12448fae3551SRodney W. Grimes #else 12458fae3551SRodney W. Grimes pr_retip((struct ip *)icp->icmp_data); 12468fae3551SRodney W. Grimes #endif 12478fae3551SRodney W. Grimes break; 12488fae3551SRodney W. Grimes case ICMP_REDIRECT: 12498fae3551SRodney W. Grimes switch(icp->icmp_code) { 12508fae3551SRodney W. Grimes case ICMP_REDIRECT_NET: 12518fae3551SRodney W. Grimes (void)printf("Redirect Network"); 12528fae3551SRodney W. Grimes break; 12538fae3551SRodney W. Grimes case ICMP_REDIRECT_HOST: 12548fae3551SRodney W. Grimes (void)printf("Redirect Host"); 12558fae3551SRodney W. Grimes break; 12568fae3551SRodney W. Grimes case ICMP_REDIRECT_TOSNET: 12578fae3551SRodney W. Grimes (void)printf("Redirect Type of Service and Network"); 12588fae3551SRodney W. Grimes break; 12598fae3551SRodney W. Grimes case ICMP_REDIRECT_TOSHOST: 12608fae3551SRodney W. Grimes (void)printf("Redirect Type of Service and Host"); 12618fae3551SRodney W. Grimes break; 12628fae3551SRodney W. Grimes default: 12638fae3551SRodney W. Grimes (void)printf("Redirect, Bad Code: %d", icp->icmp_code); 12648fae3551SRodney W. Grimes break; 12658fae3551SRodney W. Grimes } 1266ff49597eSBill Fenner (void)printf("(New addr: %s)\n", inet_ntoa(icp->icmp_gwaddr)); 12678fae3551SRodney W. Grimes #ifndef icmp_data 12688fae3551SRodney W. Grimes pr_retip(&icp->icmp_ip); 12698fae3551SRodney W. Grimes #else 12708fae3551SRodney W. Grimes pr_retip((struct ip *)icp->icmp_data); 12718fae3551SRodney W. Grimes #endif 12728fae3551SRodney W. Grimes break; 12738fae3551SRodney W. Grimes case ICMP_ECHO: 12748fae3551SRodney W. Grimes (void)printf("Echo Request\n"); 12758fae3551SRodney W. Grimes /* XXX ID + Seq + Data */ 12768fae3551SRodney W. Grimes break; 12778fae3551SRodney W. Grimes case ICMP_TIMXCEED: 12788fae3551SRodney W. Grimes switch(icp->icmp_code) { 12798fae3551SRodney W. Grimes case ICMP_TIMXCEED_INTRANS: 12808fae3551SRodney W. Grimes (void)printf("Time to live exceeded\n"); 12818fae3551SRodney W. Grimes break; 12828fae3551SRodney W. Grimes case ICMP_TIMXCEED_REASS: 12838fae3551SRodney W. Grimes (void)printf("Frag reassembly time exceeded\n"); 12848fae3551SRodney W. Grimes break; 12858fae3551SRodney W. Grimes default: 12868fae3551SRodney W. Grimes (void)printf("Time exceeded, Bad Code: %d\n", 12878fae3551SRodney W. Grimes icp->icmp_code); 12888fae3551SRodney W. Grimes break; 12898fae3551SRodney W. Grimes } 12908fae3551SRodney W. Grimes #ifndef icmp_data 12918fae3551SRodney W. Grimes pr_retip(&icp->icmp_ip); 12928fae3551SRodney W. Grimes #else 12938fae3551SRodney W. Grimes pr_retip((struct ip *)icp->icmp_data); 12948fae3551SRodney W. Grimes #endif 12958fae3551SRodney W. Grimes break; 12968fae3551SRodney W. Grimes case ICMP_PARAMPROB: 12978fae3551SRodney W. Grimes (void)printf("Parameter problem: pointer = 0x%02x\n", 12988fae3551SRodney W. Grimes icp->icmp_hun.ih_pptr); 12998fae3551SRodney W. Grimes #ifndef icmp_data 13008fae3551SRodney W. Grimes pr_retip(&icp->icmp_ip); 13018fae3551SRodney W. Grimes #else 13028fae3551SRodney W. Grimes pr_retip((struct ip *)icp->icmp_data); 13038fae3551SRodney W. Grimes #endif 13048fae3551SRodney W. Grimes break; 13058fae3551SRodney W. Grimes case ICMP_TSTAMP: 13068fae3551SRodney W. Grimes (void)printf("Timestamp\n"); 13078fae3551SRodney W. Grimes /* XXX ID + Seq + 3 timestamps */ 13088fae3551SRodney W. Grimes break; 13098fae3551SRodney W. Grimes case ICMP_TSTAMPREPLY: 13108fae3551SRodney W. Grimes (void)printf("Timestamp Reply\n"); 13118fae3551SRodney W. Grimes /* XXX ID + Seq + 3 timestamps */ 13128fae3551SRodney W. Grimes break; 13138fae3551SRodney W. Grimes case ICMP_IREQ: 13148fae3551SRodney W. Grimes (void)printf("Information Request\n"); 13158fae3551SRodney W. Grimes /* XXX ID + Seq */ 13168fae3551SRodney W. Grimes break; 13178fae3551SRodney W. Grimes case ICMP_IREQREPLY: 13188fae3551SRodney W. Grimes (void)printf("Information Reply\n"); 13198fae3551SRodney W. Grimes /* XXX ID + Seq */ 13208fae3551SRodney W. Grimes break; 13218fae3551SRodney W. Grimes case ICMP_MASKREQ: 13228fae3551SRodney W. Grimes (void)printf("Address Mask Request\n"); 13238fae3551SRodney W. Grimes break; 13248fae3551SRodney W. Grimes case ICMP_MASKREPLY: 13258fae3551SRodney W. Grimes (void)printf("Address Mask Reply\n"); 13268fae3551SRodney W. Grimes break; 1327ef9e6dc7SBill Fenner case ICMP_ROUTERADVERT: 1328ef9e6dc7SBill Fenner (void)printf("Router Advertisement\n"); 1329ef9e6dc7SBill Fenner break; 1330ef9e6dc7SBill Fenner case ICMP_ROUTERSOLICIT: 1331ef9e6dc7SBill Fenner (void)printf("Router Solicitation\n"); 1332ef9e6dc7SBill Fenner break; 13338fae3551SRodney W. Grimes default: 13348fae3551SRodney W. Grimes (void)printf("Bad ICMP type: %d\n", icp->icmp_type); 13358fae3551SRodney W. Grimes } 13368fae3551SRodney W. Grimes } 13378fae3551SRodney W. Grimes 13388fae3551SRodney W. Grimes /* 13398fae3551SRodney W. Grimes * pr_iph -- 13408fae3551SRodney W. Grimes * Print an IP header with options. 13418fae3551SRodney W. Grimes */ 134243470e3bSGarrett Wollman static void 13438fae3551SRodney W. Grimes pr_iph(ip) 13448fae3551SRodney W. Grimes struct ip *ip; 13458fae3551SRodney W. Grimes { 13468fae3551SRodney W. Grimes u_char *cp; 1347efc8588dSDavid E. O'Brien int hlen; 13488fae3551SRodney W. Grimes 13498fae3551SRodney W. Grimes hlen = ip->ip_hl << 2; 13508fae3551SRodney W. Grimes cp = (u_char *)ip + 20; /* point to options */ 13518fae3551SRodney W. Grimes 1352ef9e6dc7SBill Fenner (void)printf("Vr HL TOS Len ID Flg off TTL Pro cks Src Dst\n"); 13538fae3551SRodney W. Grimes (void)printf(" %1x %1x %02x %04x %04x", 1354ef9e6dc7SBill Fenner ip->ip_v, ip->ip_hl, ip->ip_tos, ntohs(ip->ip_len), 1355ef9e6dc7SBill Fenner ntohs(ip->ip_id)); 1356d32ff037SJohn Birrell (void)printf(" %1lx %04lx", 1357d32ff037SJohn Birrell (u_long) (ntohl(ip->ip_off) & 0xe000) >> 13, 1358d32ff037SJohn Birrell (u_long) ntohl(ip->ip_off) & 0x1fff); 1359ef9e6dc7SBill Fenner (void)printf(" %02x %02x %04x", ip->ip_ttl, ip->ip_p, 1360ef9e6dc7SBill Fenner ntohs(ip->ip_sum)); 13618fae3551SRodney W. Grimes (void)printf(" %s ", inet_ntoa(*(struct in_addr *)&ip->ip_src.s_addr)); 13628fae3551SRodney W. Grimes (void)printf(" %s ", inet_ntoa(*(struct in_addr *)&ip->ip_dst.s_addr)); 1363ef9e6dc7SBill Fenner /* dump any option bytes */ 13648fae3551SRodney W. Grimes while (hlen-- > 20) { 13658fae3551SRodney W. Grimes (void)printf("%02x", *cp++); 13668fae3551SRodney W. Grimes } 13678fae3551SRodney W. Grimes (void)putchar('\n'); 13688fae3551SRodney W. Grimes } 13698fae3551SRodney W. Grimes 13708fae3551SRodney W. Grimes /* 13718fae3551SRodney W. Grimes * pr_addr -- 13728fae3551SRodney W. Grimes * Return an ascii host address as a dotted quad and optionally with 13738fae3551SRodney W. Grimes * a hostname. 13748fae3551SRodney W. Grimes */ 137543470e3bSGarrett Wollman static char * 137643470e3bSGarrett Wollman pr_addr(ina) 137743470e3bSGarrett Wollman struct in_addr ina; 13788fae3551SRodney W. Grimes { 13798fae3551SRodney W. Grimes struct hostent *hp; 1380f78ac61bSWarner Losh static char buf[16 + 3 + MAXHOSTNAMELEN]; 13818fae3551SRodney W. Grimes 13828fae3551SRodney W. Grimes if ((options & F_NUMERIC) || 138343470e3bSGarrett Wollman !(hp = gethostbyaddr((char *)&ina, 4, AF_INET))) 138443470e3bSGarrett Wollman return inet_ntoa(ina); 13858fae3551SRodney W. Grimes else 1386efa38539SPeter Wemm (void)snprintf(buf, sizeof(buf), "%s (%s)", hp->h_name, 138743470e3bSGarrett Wollman inet_ntoa(ina)); 13888fae3551SRodney W. Grimes return(buf); 13898fae3551SRodney W. Grimes } 13908fae3551SRodney W. Grimes 13918fae3551SRodney W. Grimes /* 13928fae3551SRodney W. Grimes * pr_retip -- 13938fae3551SRodney W. Grimes * Dump some info on a returned (via ICMP) IP packet. 13948fae3551SRodney W. Grimes */ 139543470e3bSGarrett Wollman static void 13968fae3551SRodney W. Grimes pr_retip(ip) 13978fae3551SRodney W. Grimes struct ip *ip; 13988fae3551SRodney W. Grimes { 13998fae3551SRodney W. Grimes u_char *cp; 1400efc8588dSDavid E. O'Brien int hlen; 14018fae3551SRodney W. Grimes 14028fae3551SRodney W. Grimes pr_iph(ip); 14038fae3551SRodney W. Grimes hlen = ip->ip_hl << 2; 14048fae3551SRodney W. Grimes cp = (u_char *)ip + hlen; 14058fae3551SRodney W. Grimes 14068fae3551SRodney W. Grimes if (ip->ip_p == 6) 14078fae3551SRodney W. Grimes (void)printf("TCP: from port %u, to port %u (decimal)\n", 14088fae3551SRodney W. Grimes (*cp * 256 + *(cp + 1)), (*(cp + 2) * 256 + *(cp + 3))); 14098fae3551SRodney W. Grimes else if (ip->ip_p == 17) 14108fae3551SRodney W. Grimes (void)printf("UDP: from port %u, to port %u (decimal)\n", 14118fae3551SRodney W. Grimes (*cp * 256 + *(cp + 1)), (*(cp + 2) * 256 + *(cp + 3))); 14128fae3551SRodney W. Grimes } 14138fae3551SRodney W. Grimes 141443470e3bSGarrett Wollman static void 14158fae3551SRodney W. Grimes fill(bp, patp) 14168fae3551SRodney W. Grimes char *bp, *patp; 14178fae3551SRodney W. Grimes { 14188fae3551SRodney W. Grimes char *cp; 1419efc8588dSDavid E. O'Brien int pat[16]; 14204fba6582SMaxim Konovalov u_int ii, jj, kk; 14218fae3551SRodney W. Grimes 142243470e3bSGarrett Wollman for (cp = patp; *cp; cp++) { 142343470e3bSGarrett Wollman if (!isxdigit(*cp)) 142443470e3bSGarrett Wollman errx(EX_USAGE, 142543470e3bSGarrett Wollman "patterns must be specified as hex digits"); 142643470e3bSGarrett Wollman 14278fae3551SRodney W. Grimes } 14288fae3551SRodney W. Grimes ii = sscanf(patp, 14298fae3551SRodney W. Grimes "%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x", 14308fae3551SRodney W. Grimes &pat[0], &pat[1], &pat[2], &pat[3], &pat[4], &pat[5], &pat[6], 14318fae3551SRodney W. Grimes &pat[7], &pat[8], &pat[9], &pat[10], &pat[11], &pat[12], 14328fae3551SRodney W. Grimes &pat[13], &pat[14], &pat[15]); 14338fae3551SRodney W. Grimes 14348fae3551SRodney W. Grimes if (ii > 0) 14354fba6582SMaxim Konovalov for (kk = 0; kk <= MAXPAYLOAD - (PHDR_LEN + ii); kk += ii) 14368fae3551SRodney W. Grimes for (jj = 0; jj < ii; ++jj) 14378fae3551SRodney W. Grimes bp[jj + kk] = pat[jj]; 14388fae3551SRodney W. Grimes if (!(options & F_QUIET)) { 14398fae3551SRodney W. Grimes (void)printf("PATTERN: 0x"); 14408fae3551SRodney W. Grimes for (jj = 0; jj < ii; ++jj) 14418fae3551SRodney W. Grimes (void)printf("%02x", bp[jj] & 0xFF); 14428fae3551SRodney W. Grimes (void)printf("\n"); 14438fae3551SRodney W. Grimes } 14448fae3551SRodney W. Grimes } 14458fae3551SRodney W. Grimes 144643470e3bSGarrett Wollman static void 1447e345a80dSPhilippe Charnier usage() 14488fae3551SRodney W. Grimes { 14491ad0b1beSMaxim Konovalov (void)fprintf(stderr, "%s\n%s\n%s\n", 14508025c44bSDima Dorfman "usage: ping [-AQRadfnoqrv] [-c count] [-i wait] [-l preload] [-m ttl]", 1451211bfbd2SRuslan Ermilov " [-p pattern] " 14529a4365d0SYoshinobu Inoue #ifdef IPSEC 14539a4365d0SYoshinobu Inoue #ifdef IPSEC_POLICY_IPSEC 14549a4365d0SYoshinobu Inoue "[-P policy] " 14559a4365d0SYoshinobu Inoue #endif 14569a4365d0SYoshinobu Inoue #endif 14577237fd94SBill Fumerola "[-s packetsize] [-S src_addr] [-t timeout]", 145899490edeSWarner Losh " [host | [-L] [-I iface] [-T ttl] mcast-group]"); 145943470e3bSGarrett Wollman exit(EX_USAGE); 14608fae3551SRodney W. Grimes } 1461