/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1999-2015 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.0 (the 'License'). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License."
- *
- * @APPLE_LICENSE_HEADER_END@
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1989, 1993
* 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* SUCH DAMAGE.
*/
+#include <sys/cdefs.h>
+
+#ifndef lint
+__unused static const char copyright[] =
+"@(#) Copyright (c) 1989, 1993\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
/*
* P I N G . C
*
- * Using the InterNet Control Message Protocol (ICMP) "ECHO" facility,
+ * Using the Internet Control Message Protocol (ICMP) "ECHO" facility,
* measure round-trip-delays and packet loss across network paths.
*
* Author -
* This program has to run SUID to ROOT to access the ICMP socket.
*/
-#include <sys/param.h>
+#include <sys/param.h> /* NB: we rely on this for <sys/types.h> */
#include <sys/socket.h>
-#include <sys/file.h>
+#include <sys/sysctl.h>
#include <sys/time.h>
-#include <sys/signal.h>
+#include <sys/uio.h>
-#include <netinet/in_systm.h>
#include <netinet/in.h>
+#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include <netinet/ip_var.h>
-#include <netdb.h>
-#include <unistd.h>
-#include <stdio.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+
+#ifdef IPSEC
+#include <netinet6/ipsec.h>
+#endif /*IPSEC*/
+
#include <ctype.h>
+#include <err.h>
#include <errno.h>
+#include <math.h>
+#include <netdb.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
-
-#define DEFDATALEN (64 - 8) /* default data length */
-#define MAXIPLEN 60
-#define MAXICMPLEN 76
-#define MAXPACKET (65536 - 60 - 8)/* max packet size */
-#define MAXWAIT 10 /* max seconds to wait for response */
-#define NROUTES 9 /* number of record route slots */
+#include <sysexits.h>
+#include <unistd.h>
+#include <ifaddrs.h>
+
+#define INADDR_LEN ((int)sizeof(in_addr_t))
+#define TIMEVAL_LEN ((int)sizeof(struct tv32))
+#define MASK_LEN (ICMP_MASKLEN - ICMP_MINLEN)
+#define TS_LEN (ICMP_TSLEN - ICMP_MINLEN)
+#define DEFDATALEN 56 /* default data length */
+#define FLOOD_BACKOFF 20000 /* usecs to back off if F_FLOOD mode */
+ /* runs out of buffer space */
+#define MAXIPLEN (sizeof(struct ip) + MAX_IPOPTLEN)
+#define MAXICMPLEN (ICMP_ADVLENMIN + MAX_IPOPTLEN)
+#define MAXWAIT 10000 /* max ms to wait for response */
+#define MAXALARM (60 * 60) /* max seconds for alarm timeout */
+#define MAXTOS 255
#define A(bit) rcvd_tbl[(bit)>>3] /* identify byte in array */
#define B(bit) (1 << ((bit) & 0x07)) /* identify bit in byte */
#define CLR(bit) (A(bit) &= (~B(bit)))
#define TST(bit) (A(bit) & B(bit))
+struct tv32 {
+ u_int32_t tv32_sec;
+ u_int32_t tv32_usec;
+};
+
/* various options */
int options;
-#define F_FLOOD 0x001
-#define F_INTERVAL 0x002
-#define F_NUMERIC 0x004
-#define F_PINGFILLED 0x008
-#define F_QUIET 0x010
-#define F_RROUTE 0x020
-#define F_SO_DEBUG 0x040
-#define F_SO_DONTROUTE 0x080
-#define F_VERBOSE 0x100
+#define F_FLOOD 0x0001
+#define F_INTERVAL 0x0002
+#define F_NUMERIC 0x0004
+#define F_PINGFILLED 0x0008
+#define F_QUIET 0x0010
+#define F_RROUTE 0x0020
+#define F_SO_DEBUG 0x0040
+#define F_SO_DONTROUTE 0x0080
+#define F_VERBOSE 0x0100
+#define F_QUIET2 0x0200
+#define F_NOLOOP 0x0400
+#define F_MTTL 0x0800
+#define F_MIF 0x1000
+#define F_AUDIBLE 0x2000
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+#define F_POLICY 0x4000
+#endif /*IPSEC_POLICY_IPSEC*/
+#endif /*IPSEC*/
+#define F_TTL 0x8000
+#define F_MISSED 0x10000
+#define F_ONCE 0x20000
+#define F_HDRINCL 0x40000
+#define F_MASK 0x80000
+#define F_TIME 0x100000
+#define F_SWEEP 0x200000
+#define F_WAITTIME 0x400000
/*
* MAX_DUP_CHK is the number of bits in received table, i.e. the maximum
int mx_dup_ck = MAX_DUP_CHK;
char rcvd_tbl[MAX_DUP_CHK / 8];
-struct sockaddr whereto; /* who to ping */
+struct sockaddr_in whereto; /* who to ping */
int datalen = DEFDATALEN;
+int maxpayload;
int s; /* socket file descriptor */
-u_char outpack[MAXPACKET];
+u_char outpackhdr[IP_MAXPACKET], *outpack;
+char BBELL = '\a'; /* characters written for MISSED and AUDIBLE */
char BSPACE = '\b'; /* characters written for flood */
char DOT = '.';
char *hostname;
+char *shostname;
int ident; /* process id to identify our packets */
+int uid; /* cached uid for micro-optimization */
+u_char icmp_type = ICMP_ECHO;
+u_char icmp_type_rsp = ICMP_ECHOREPLY;
+int phdr_len = 0;
+int send_len;
+char *boundif;
+unsigned int ifscope;
+#if defined(IP_FORCE_OUT_IFP) && TARGET_OS_EMBEDDED
+char boundifname[IFNAMSIZ];
+#endif /* IP_FORCE_OUT_IFP */
+int nocell;
+int how_traffic_class = 0;
+int traffic_class = SO_TC_CTL; /* use control class, by default */
+int no_dup = 0;
/* counters */
+long nmissedmax; /* max value of ntransmitted - nreceived - 1 */
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 */
-int interval = 1; /* interval between packets */
+long snpackets; /* max packets to transmit in one sweep */
+long snreceived; /* # of packets we got back in this sweep */
+long sntransmitted; /* # of packets we sent in this sweep */
+int sweepmax; /* max value of payload in sweep */
+int sweepmin = 0; /* start value of payload in sweep */
+int sweepincr = 1; /* payload increment in sweep */
+int interval = 1000; /* interval between packets, ms */
+int waittime = MAXWAIT; /* timeout for each packet */
+long nrcvtimeout = 0; /* # of packets we got back after waittime */
+int icmp_len = 0; /* length of the ICMP header */
/* 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 */
-
-char *pr_addr();
-void catcher(), finish();
-
-main(argc, argv)
- int argc;
- char **argv;
+double tsumsq = 0.0; /* sum of all times squared, for std. dev. */
+
+volatile sig_atomic_t finish_up; /* nonzero if we've been told to finish up */
+volatile sig_atomic_t siginfo_p;
+
+static void fill(char *, char *);
+static u_short in_cksum(u_short *, int);
+static void check_status(void);
+static void finish(void) __dead2;
+static void pinger(void);
+static char *pr_addr(struct in_addr);
+static char *pr_ntime(n_time);
+static void pr_icmph(struct icmp *);
+static void pr_iph(struct ip *);
+static void pr_pack(char *, int, struct sockaddr_in *, struct timeval *, int);
+static void pr_retip(struct ip *);
+static void status(int);
+static void stopit(int);
+static void tvsub(struct timeval *, const struct timeval *);
+static uint32_t str2svc(const char *);
+static void usage(void) __dead2;
+
+int
+main(int argc, char *const *argv)
{
- extern int errno, optind;
- extern char *optarg;
- struct timeval timeout;
+ struct sockaddr_in from, sock_in;
+ struct in_addr ifaddr;
+ struct timeval last, intvl;
+ struct iovec iov;
+ struct ip *ip;
+ struct msghdr msg;
+ struct sigaction si_sa;
+ size_t sz;
+ u_char *datap, packet[IP_MAXPACKET] __attribute__((aligned(4)));
+ char *ep, *source, *target, *payload;
struct hostent *hp;
+#ifdef IPSEC_POLICY_IPSEC
+ char *policy_in, *policy_out;
+#endif
struct sockaddr_in *to;
- struct protoent *proto;
- register int i;
- int ch, fdmask, hold, packlen, preload;
- u_char *datap, *packet;
- char *target, hnamebuf[MAXHOSTNAMELEN], *malloc();
+ double t;
+ u_long alarmtimeout, ultmp;
+ int almost_done, ch, df, hold, i, mib[4], preload, sockerrno,
+ tos, ttl;
+ char ctrl[CMSG_SPACE(sizeof(struct timeval)) + CMSG_SPACE(sizeof(int))];
+ char hnamebuf[MAXHOSTNAMELEN], snamebuf[MAXHOSTNAMELEN];
#ifdef IP_OPTIONS
- char rspace[3 + 4 * NROUTES + 1]; /* record route space */
+ char rspace[MAX_IPOPTLEN]; /* record route space */
+#endif
+ unsigned char loop, mttl;
+
+ payload = source = NULL;
+#ifdef IPSEC_POLICY_IPSEC
+ policy_in = policy_out = NULL;
#endif
- preload = 0;
- datap = &outpack[8 + sizeof(struct timeval)];
- while ((ch = getopt(argc, argv, "Rc:dfh:i:l:np:qrs:v")) != EOF)
+ /*
+ * Do the stuff that we need root priv's for *first*, and
+ * then drop our setuid bit. Save error reporting for
+ * after arg parsing.
+ */
+ if (getuid())
+ s = socket(AF_INET, SOCK_DGRAM, IPPROTO_ICMP);
+ else
+ s = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
+ sockerrno = errno;
+
+ if (setuid(getuid()) != 0)
+ err(EX_NOPERM, "setuid() failed");
+ uid = getuid();
+
+ alarmtimeout = df = preload = tos = 0;
+
+ outpack = outpackhdr + sizeof(struct ip);
+ while ((ch = getopt(argc, argv,
+ "Aab:Cc:DdfG:g:h:I:i:k:Ll:M:m:nop:QqRrS:s:T:t:vW:z:"
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ "P:"
+#endif /*IPSEC_POLICY_IPSEC*/
+#endif /*IPSEC*/
+#if defined(IP_FORCE_OUT_IFP) && TARGET_OS_EMBEDDED
+ "B:"
+#endif /* IP_FORCE_OUT_IFP */
+ )) != -1)
+ {
switch(ch) {
+ case 'A':
+ options |= F_MISSED;
+ break;
+ case 'a':
+ options |= F_AUDIBLE;
+ break;
+#if defined(IP_FORCE_OUT_IFP) && TARGET_OS_EMBEDDED
+ case 'B':
+ (void) snprintf(boundifname, sizeof (boundifname),
+ "%s", optarg);
+ break;
+#endif /* IP_FORCE_OUT_IFP */
+ case 'b':
+ boundif = optarg;
+ break;
+ case 'C':
+ nocell++;
+ break;
case 'c':
- npackets = atoi(optarg);
- if (npackets <= 0) {
- (void)fprintf(stderr,
- "ping: bad number of packets to transmit.\n");
- exit(1);
- }
+ ultmp = strtoul(optarg, &ep, 0);
+ if (*ep || ep == optarg || ultmp > LONG_MAX || !ultmp)
+ errx(EX_USAGE,
+ "invalid count of packets to transmit: `%s'",
+ optarg);
+ npackets = ultmp;
+ break;
+ case 'D':
+ options |= F_HDRINCL;
+ df = 1;
break;
case 'd':
options |= F_SO_DEBUG;
break;
case 'f':
- if (getuid()) {
- (void)fprintf(stderr,
- "ping: %s\n", strerror(EPERM));
- exit(1);
+ if (uid) {
+ errno = EPERM;
+ err(EX_NOPERM, "-f flag");
}
options |= F_FLOOD;
setbuf(stdout, (char *)NULL);
break;
- case 'i': /* wait between sending packets */
- interval = atoi(optarg);
- if (interval <= 0) {
- (void)fprintf(stderr,
- "ping: bad timing interval.\n");
- exit(1);
+ case 'G': /* Maximum packet size for ping sweep */
+ ultmp = strtoul(optarg, &ep, 0);
+ if (*ep || ep == optarg)
+ errx(EX_USAGE, "invalid packet size: `%s'",
+ optarg);
+#ifndef __APPLE__
+ if (uid != 0 && ultmp > DEFDATALEN) {
+ errno = EPERM;
+ err(EX_NOPERM,
+ "packet size too large: %lu > %u",
+ ultmp, DEFDATALEN);
+ }
+#endif /* __APPLE__ */
+ options |= F_SWEEP;
+ sweepmax = ultmp;
+ break;
+ case 'g': /* Minimum packet size for ping sweep */
+ ultmp = strtoul(optarg, &ep, 0);
+ if (*ep || ep == optarg)
+ errx(EX_USAGE, "invalid packet size: `%s'",
+ optarg);
+#ifndef __APPLE__
+ if (uid != 0 && ultmp > DEFDATALEN) {
+ errno = EPERM;
+ err(EX_NOPERM,
+ "packet size too large: %lu > %u",
+ ultmp, DEFDATALEN);
+ }
+#endif /* __APPLE__ */
+ options |= F_SWEEP;
+ sweepmin = ultmp;
+ break;
+ case 'h': /* Packet size increment for ping sweep */
+ ultmp = strtoul(optarg, &ep, 0);
+ if (*ep || ep == optarg || ultmp < 1)
+ errx(EX_USAGE, "invalid increment size: `%s'",
+ optarg);
+#ifndef __APPLE__
+ if (uid != 0 && ultmp > DEFDATALEN) {
+ errno = EPERM;
+ err(EX_NOPERM,
+ "packet size too large: %lu > %u",
+ ultmp, DEFDATALEN);
}
+#endif /* __APPLE__ */
+ options |= F_SWEEP;
+ sweepincr = ultmp;
+ break;
+ case 'I': /* multicast interface */
+ if (inet_aton(optarg, &ifaddr) == 0)
+ errx(EX_USAGE,
+ "invalid multicast interface: `%s'",
+ optarg);
+ options |= F_MIF;
+ break;
+ case 'i': /* wait between sending packets */
+ t = strtod(optarg, &ep) * 1000.0;
+ if (*ep || ep == optarg || t > (double)INT_MAX)
+ errx(EX_USAGE, "invalid timing interval: `%s'",
+ optarg);
options |= F_INTERVAL;
+ interval = (int)t;
+ if (uid && interval < 100) {
+ errno = EPERM;
+ err(EX_NOPERM, "-i interval too short");
+ }
+ break;
+ case 'k':
+ how_traffic_class++;
+ traffic_class = str2svc(optarg);
+ if (traffic_class == UINT32_MAX)
+ errx(EX_USAGE, "bad traffic class: `%s'",
+ optarg);
+ break;
+ case 'L':
+ options |= F_NOLOOP;
+ loop = 0;
break;
case 'l':
- if (getuid()) {
- (void)fprintf(stderr,
- "ping: %s\n", strerror(EPERM));
- exit(1);
+ ultmp = strtoul(optarg, &ep, 0);
+ if (*ep || ep == optarg || ultmp > INT_MAX)
+ errx(EX_USAGE,
+ "invalid preload value: `%s'", optarg);
+ if (uid) {
+ errno = EPERM;
+ err(EX_NOPERM, "-l flag");
}
- preload = atoi(optarg);
- if (preload < 0) {
- (void)fprintf(stderr,
- "ping: bad preload value.\n");
- exit(1);
+ preload = ultmp;
+ break;
+ case 'M':
+ switch(optarg[0]) {
+ case 'M':
+ case 'm':
+ options |= F_MASK;
+ break;
+ case 'T':
+ case 't':
+ options |= F_TIME;
+ break;
+ default:
+ errx(EX_USAGE, "invalid message: `%c'", optarg[0]);
+ break;
}
break;
+ case 'm': /* TTL */
+ ultmp = strtoul(optarg, &ep, 0);
+ if (*ep || ep == optarg || ultmp > MAXTTL)
+ errx(EX_USAGE, "invalid TTL: `%s'", optarg);
+ ttl = ultmp;
+ options |= F_TTL;
+ break;
case 'n':
options |= F_NUMERIC;
break;
+ case 'o':
+ options |= F_ONCE;
+ break;
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ case 'P':
+ options |= F_POLICY;
+ if (!strncmp("in", optarg, 2))
+ policy_in = strdup(optarg);
+ else if (!strncmp("out", optarg, 3))
+ policy_out = strdup(optarg);
+ else
+ errx(1, "invalid security policy");
+ break;
+#endif /*IPSEC_POLICY_IPSEC*/
+#endif /*IPSEC*/
case 'p': /* fill buffer with user pattern */
options |= F_PINGFILLED;
- fill((char *)datap, optarg);
- break;
+ payload = optarg;
+ break;
+ case 'Q':
+ options |= F_QUIET2;
+ break;
case 'q':
options |= F_QUIET;
break;
case 'r':
options |= F_SO_DONTROUTE;
break;
+ case 'S':
+ source = optarg;
+ break;
case 's': /* size of packet to send */
- datalen = atoi(optarg);
- if (datalen > MAXPACKET) {
- (void)fprintf(stderr,
- "ping: packet size too large.\n");
- exit(1);
- }
- if (datalen <= 0) {
- (void)fprintf(stderr,
- "ping: illegal packet size.\n");
- exit(1);
+ ultmp = strtoul(optarg, &ep, 0);
+ if (*ep || ep == optarg)
+ errx(EX_USAGE, "invalid packet size: `%s'",
+ optarg);
+#ifndef __APPLE__
+ if (uid != 0 && ultmp > DEFDATALEN) {
+ errno = EPERM;
+ err(EX_NOPERM,
+ "packet size too large: %lu > %u",
+ ultmp, DEFDATALEN);
}
+#endif /* __APPLE__ */
+ datalen = ultmp;
+ break;
+ case 'T': /* multicast TTL */
+ ultmp = strtoul(optarg, &ep, 0);
+ if (*ep || ep == optarg || ultmp > MAXTTL)
+ errx(EX_USAGE, "invalid multicast TTL: `%s'",
+ optarg);
+ mttl = ultmp;
+ options |= F_MTTL;
+ break;
+ case 't':
+ alarmtimeout = strtoul(optarg, &ep, 0);
+ if ((alarmtimeout < 1) || (alarmtimeout == ULONG_MAX))
+ errx(EX_USAGE, "invalid timeout: `%s'",
+ optarg);
+ if (alarmtimeout > MAXALARM)
+ errx(EX_USAGE, "invalid timeout: `%s' > %d",
+ optarg, MAXALARM);
+ alarm((unsigned int)alarmtimeout);
break;
case 'v':
options |= F_VERBOSE;
break;
+ case 'W': /* wait ms for answer */
+ t = strtod(optarg, &ep);
+ if (*ep || ep == optarg || t > (double)INT_MAX)
+ errx(EX_USAGE, "invalid timing interval: `%s'",
+ optarg);
+ options |= F_WAITTIME;
+ waittime = (int)t;
+ break;
+ case 'z':
+ options |= F_HDRINCL;
+ ultmp = strtoul(optarg, &ep, 0);
+ if (*ep || ep == optarg || ultmp > MAXTOS)
+ errx(EX_USAGE, "invalid TOS: `%s'", optarg);
+ tos = ultmp;
+ break;
default:
usage();
}
- argc -= optind;
- argv += optind;
+ }
+
+ if (boundif != NULL && (ifscope = if_nametoindex(boundif)) == 0)
+ errx(1, "bad interface name");
- if (argc != 1)
+ if (argc - optind != 1)
usage();
- target = *argv;
+ target = argv[optind];
+
+ switch (options & (F_MASK|F_TIME)) {
+ case 0: break;
+ case F_MASK:
+ icmp_type = ICMP_MASKREQ;
+ icmp_type_rsp = ICMP_MASKREPLY;
+ phdr_len = MASK_LEN;
+ if (!(options & F_QUIET))
+ (void)printf("ICMP_MASKREQ\n");
+ break;
+ case F_TIME:
+ icmp_type = ICMP_TSTAMP;
+ icmp_type_rsp = ICMP_TSTAMPREPLY;
+ phdr_len = TS_LEN;
+ if (!(options & F_QUIET))
+ (void)printf("ICMP_TSTAMP\n");
+ break;
+ default:
+ errx(EX_USAGE, "ICMP_TSTAMP and ICMP_MASKREQ are exclusive.");
+ break;
+ }
+ icmp_len = sizeof(struct ip) + ICMP_MINLEN + phdr_len;
+ if (options & F_RROUTE)
+ icmp_len += MAX_IPOPTLEN;
+ maxpayload = IP_MAXPACKET - icmp_len;
+ if (datalen > maxpayload)
+ errx(EX_USAGE, "packet size too large: %d > %d", datalen,
+ maxpayload);
+ send_len = icmp_len + datalen;
+ datap = &outpack[ICMP_MINLEN + phdr_len + TIMEVAL_LEN];
+ if (options & F_PINGFILLED) {
+ fill((char *)datap, payload);
+ }
+ if (source) {
+ bzero((char *)&sock_in, sizeof(sock_in));
+ sock_in.sin_family = AF_INET;
+ if (inet_aton(source, &sock_in.sin_addr) != 0) {
+ shostname = source;
+ } else {
+ hp = gethostbyname2(source, AF_INET);
+ if (!hp)
+ errx(EX_NOHOST, "cannot resolve %s: %s",
+ source, hstrerror(h_errno));
+
+ sock_in.sin_len = sizeof sock_in;
+ if ((unsigned)hp->h_length > sizeof(sock_in.sin_addr) ||
+ hp->h_length < 0)
+ errx(1, "gethostbyname2: illegal address");
+ memcpy(&sock_in.sin_addr, hp->h_addr_list[0],
+ sizeof(sock_in.sin_addr));
+ (void)strncpy(snamebuf, hp->h_name,
+ sizeof(snamebuf) - 1);
+ snamebuf[sizeof(snamebuf) - 1] = '\0';
+ shostname = snamebuf;
+ }
+ if (bind(s, (struct sockaddr *)&sock_in, sizeof sock_in) == -1)
+ err(1, "bind");
+ }
- memset(&whereto, 0, sizeof(struct sockaddr));
- to = (struct sockaddr_in *)&whereto;
+ bzero(&whereto, sizeof(whereto));
+ to = &whereto;
to->sin_family = AF_INET;
- to->sin_addr.s_addr = inet_addr(target);
- if (to->sin_addr.s_addr != (u_int)-1)
+ to->sin_len = sizeof *to;
+ if (inet_aton(target, &to->sin_addr) != 0) {
hostname = target;
- else {
- hp = gethostbyname(target);
- if (!hp) {
- (void)fprintf(stderr,
- "ping: unknown host %s\n", target);
- exit(1);
- }
- to->sin_family = hp->h_addrtype;
- memmove(&to->sin_addr, hp->h_addr, hp->h_length);
+ } else {
+ hp = gethostbyname2(target, AF_INET);
+ if (!hp)
+ errx(EX_NOHOST, "cannot resolve %s: %s",
+ target, hstrerror(h_errno));
+
+ if ((unsigned)hp->h_length > sizeof(to->sin_addr))
+ errx(1, "gethostbyname2 returned an illegal address");
+ memcpy(&to->sin_addr, hp->h_addr_list[0], sizeof to->sin_addr);
(void)strncpy(hnamebuf, hp->h_name, sizeof(hnamebuf) - 1);
+ hnamebuf[sizeof(hnamebuf) - 1] = '\0';
hostname = hnamebuf;
}
- if (options & F_FLOOD && options & F_INTERVAL) {
- (void)fprintf(stderr,
- "ping: -f and -i incompatible options.\n");
- exit(1);
- }
-
- if (datalen >= sizeof(struct timeval)) /* can we time transfer */
+ do {
+ struct ifaddrs *ifa_list, *ifa;
+
+ if (IN_MULTICAST(ntohl(whereto.sin_addr.s_addr)) || whereto.sin_addr.s_addr == INADDR_BROADCAST) {
+ no_dup = 1;
+ break;
+ }
+
+ if (getifaddrs(&ifa_list) == -1)
+ break;
+ for (ifa = ifa_list; ifa; ifa = ifa->ifa_next) {
+ if (ifa->ifa_addr->sa_family != AF_INET)
+ continue;
+ if ((ifa->ifa_flags & IFF_BROADCAST) == 0 || ifa->ifa_broadaddr == NULL)
+ continue;
+ if (whereto.sin_addr.s_addr != ((struct sockaddr_in*)ifa->ifa_broadaddr)->sin_addr.s_addr)
+ continue;
+ no_dup = 1;
+ break;
+ }
+
+ freeifaddrs(ifa_list);
+ } while (0);
+
+ if (options & F_FLOOD && options & F_INTERVAL)
+ errx(EX_USAGE, "-f and -i: incompatible options");
+
+ if (options & F_FLOOD && IN_MULTICAST(ntohl(to->sin_addr.s_addr)))
+ errx(EX_USAGE,
+ "-f flag cannot be used with multicast destination");
+ if (options & (F_MIF | F_NOLOOP | F_MTTL)
+ && !IN_MULTICAST(ntohl(to->sin_addr.s_addr)))
+ errx(EX_USAGE,
+ "-I, -L, -T flags cannot be used with unicast destination");
+
+ if (datalen >= TIMEVAL_LEN) /* can we time transfer */
timing = 1;
- packlen = datalen + MAXIPLEN + MAXICMPLEN;
- if (!(packet = (u_char *)malloc((u_int)packlen))) {
- (void)fprintf(stderr, "ping: out of memory.\n");
- exit(1);
- }
+
if (!(options & F_PINGFILLED))
- for (i = 8; i < datalen; ++i)
+ for (i = TIMEVAL_LEN; i < MAX(datalen, sweepmax); ++i)
*datap++ = i;
ident = getpid() & 0xFFFF;
- if (!(proto = getprotobyname("icmp"))) {
- (void)fprintf(stderr, "ping: unknown protocol icmp.\n");
- exit(1);
- }
- if ((s = socket(AF_INET, SOCK_RAW, proto->p_proto)) < 0) {
- perror("ping: socket");
- exit(1);
+ if (s < 0) {
+ errno = sockerrno;
+ err(EX_OSERR, "socket");
}
hold = 1;
+ (void) setsockopt(s, SOL_SOCKET, SO_RECV_ANYIF, (char *)&hold,
+ sizeof(hold));
+ if (ifscope != 0) {
+ if (setsockopt(s, IPPROTO_IP, IP_BOUND_IF,
+ (char *)&ifscope, sizeof (ifscope)) != 0)
+ err(EX_OSERR, "setsockopt(IP_BOUND_IF)");
+ }
+#if defined(IP_FORCE_OUT_IFP) && TARGET_OS_EMBEDDED
+ else if (boundifname[0] != 0) {
+ if (setsockopt(s, IPPROTO_IP, IP_FORCE_OUT_IFP, boundifname,
+ sizeof (boundifname)) != 0)
+ err(EX_OSERR, "setsockopt(IP_FORCE_OUT_IFP)");
+ }
+#endif /* IP_FORCE_OUT_IFP */
+ if (nocell) {
+ if (setsockopt(s, IPPROTO_IP, IP_NO_IFT_CELLULAR,
+ (char *)&nocell, sizeof (nocell)) != 0)
+ err(EX_OSERR, "setsockopt(IP_NO_IFT_CELLULAR)");
+ }
if (options & F_SO_DEBUG)
(void)setsockopt(s, SOL_SOCKET, SO_DEBUG, (char *)&hold,
sizeof(hold));
if (options & F_SO_DONTROUTE)
(void)setsockopt(s, SOL_SOCKET, SO_DONTROUTE, (char *)&hold,
sizeof(hold));
+ if (how_traffic_class < 2 && traffic_class >= 0) {
+ (void) setsockopt(s, SOL_SOCKET, SO_TRAFFIC_CLASS,
+ (void *)&traffic_class, sizeof (traffic_class));
+ }
+ if (how_traffic_class > 0) {
+ int on = 1;
+ (void) setsockopt(s, SOL_SOCKET, SO_RECV_TRAFFIC_CLASS,
+ (void *)&on, sizeof (on));
+ }
+#ifdef IPSEC
+#ifdef IPSEC_POLICY_IPSEC
+ if (options & F_POLICY) {
+ char *buf;
+ if (policy_in != NULL) {
+ buf = ipsec_set_policy(policy_in, strlen(policy_in));
+ if (buf == NULL)
+ errx(EX_CONFIG, "%s", ipsec_strerror());
+ if (setsockopt(s, IPPROTO_IP, IP_IPSEC_POLICY,
+ buf, ipsec_get_policylen(buf)) < 0)
+ err(EX_CONFIG,
+ "ipsec policy cannot be configured");
+ free(buf);
+ }
+ if (policy_out != NULL) {
+ buf = ipsec_set_policy(policy_out, strlen(policy_out));
+ if (buf == NULL)
+ errx(EX_CONFIG, "%s", ipsec_strerror());
+ if (setsockopt(s, IPPROTO_IP, IP_IPSEC_POLICY,
+ buf, ipsec_get_policylen(buf)) < 0)
+ err(EX_CONFIG,
+ "ipsec policy cannot be configured");
+ free(buf);
+ }
+ }
+#endif /*IPSEC_POLICY_IPSEC*/
+#endif /*IPSEC*/
+
+ if (options & F_HDRINCL) {
+ ip = (struct ip*)outpackhdr;
+ if (!(options & (F_TTL | F_MTTL))) {
+ mib[0] = CTL_NET;
+ mib[1] = PF_INET;
+ mib[2] = IPPROTO_IP;
+ mib[3] = IPCTL_DEFTTL;
+ sz = sizeof(ttl);
+ if (sysctl(mib, 4, &ttl, &sz, NULL, 0) == -1)
+ err(1, "sysctl(net.inet.ip.ttl)");
+ }
+ setsockopt(s, IPPROTO_IP, IP_HDRINCL, &hold, sizeof(hold));
+ ip->ip_v = IPVERSION;
+ ip->ip_hl = sizeof(struct ip) >> 2;
+ ip->ip_tos = tos;
+ ip->ip_id = 0;
+ ip->ip_off = df ? IP_DF : 0;
+ ip->ip_ttl = ttl;
+ ip->ip_p = IPPROTO_ICMP;
+ ip->ip_src.s_addr = source ? sock_in.sin_addr.s_addr : INADDR_ANY;
+ ip->ip_dst = to->sin_addr;
+ }
/* record route option */
if (options & F_RROUTE) {
#ifdef IP_OPTIONS
+ bzero(rspace, sizeof(rspace));
rspace[IPOPT_OPTVAL] = IPOPT_RR;
- rspace[IPOPT_OLEN] = sizeof(rspace)-1;
+ rspace[IPOPT_OLEN] = sizeof(rspace) - 1;
rspace[IPOPT_OFFSET] = IPOPT_MINOFF;
+ rspace[sizeof(rspace) - 1] = IPOPT_EOL;
if (setsockopt(s, IPPROTO_IP, IP_OPTIONS, rspace,
- sizeof(rspace)) < 0) {
- perror("ping: record route");
- exit(1);
- }
+ sizeof(rspace)) < 0)
+ err(EX_OSERR, "setsockopt IP_OPTIONS");
#else
- (void)fprintf(stderr,
- "ping: record route not available in this implementation.\n");
- exit(1);
+ errx(EX_UNAVAILABLE,
+ "record route not available in this implementation");
#endif /* IP_OPTIONS */
}
+ if (options & F_TTL) {
+ if (setsockopt(s, IPPROTO_IP, IP_TTL, &ttl,
+ sizeof(ttl)) < 0) {
+ err(EX_OSERR, "setsockopt IP_TTL");
+ }
+ }
+ if (options & F_NOLOOP) {
+ if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_LOOP, &loop,
+ sizeof(loop)) < 0) {
+ err(EX_OSERR, "setsockopt IP_MULTICAST_LOOP");
+ }
+ }
+ if (options & F_MTTL) {
+ if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_TTL, &mttl,
+ sizeof(mttl)) < 0) {
+ err(EX_OSERR, "setsockopt IP_MULTICAST_TTL");
+ }
+ }
+ if (options & F_MIF) {
+ if (setsockopt(s, IPPROTO_IP, IP_MULTICAST_IF, &ifaddr,
+ sizeof(ifaddr)) < 0) {
+ err(EX_OSERR, "setsockopt IP_MULTICAST_IF");
+ }
+ }
+#ifdef SO_TIMESTAMP
+ { int on = 1;
+ if (setsockopt(s, SOL_SOCKET, SO_TIMESTAMP, &on, sizeof(on)) < 0)
+ err(EX_OSERR, "setsockopt SO_TIMESTAMP");
+ }
+#endif
+ if (sweepmax) {
+ if (sweepmin >= sweepmax)
+ errx(EX_USAGE, "Maximum packet size must be greater than the minimum packet size");
+
+ if (datalen != DEFDATALEN)
+ errx(EX_USAGE, "Packet size and ping sweep are mutually exclusive");
+
+ if (npackets > 0) {
+ snpackets = npackets;
+ npackets = 0;
+ } else
+ snpackets = 1;
+ datalen = sweepmin;
+ send_len = icmp_len + sweepmin;
+ }
+ if (options & F_SWEEP && !sweepmax)
+ errx(EX_USAGE, "Maximum sweep size must be specified");
+
/*
* 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.
+ * /etc/ethers. But beware: RFC 1122 allows hosts to ignore broadcast
+ * or multicast pings if they wish.
*/
- (void)setsockopt(s, SOL_SOCKET, SO_RCVBUF, &packlen, sizeof(packlen));
- if (to->sin_family == AF_INET)
- (void)printf("PING %s (%s): %d data bytes\n", hostname,
- inet_ntoa(*(struct in_addr *)&to->sin_addr.s_addr),
- datalen);
- else
- (void)printf("PING %s: %d data bytes\n", hostname, datalen);
+ /*
+ * XXX receive buffer needs undetermined space for mbuf overhead
+ * as well.
+ */
+ hold = IP_MAXPACKET + 128;
+ (void)setsockopt(s, SOL_SOCKET, SO_RCVBUF, (char *)&hold,
+ sizeof(hold));
+ if (uid == 0)
+ (void)setsockopt(s, SOL_SOCKET, SO_SNDBUF, (char *)&hold,
+ sizeof(hold));
- (void)signal(SIGINT, finish);
- (void)signal(SIGALRM, catcher);
+ if (to->sin_family == AF_INET) {
+ (void)printf("PING %s (%s)", hostname,
+ inet_ntoa(to->sin_addr));
+ if (source)
+ (void)printf(" from %s", shostname);
+ if (sweepmax)
+ (void)printf(": (%d ... %d) data bytes\n",
+ sweepmin, sweepmax);
+ else
+ (void)printf(": %d data bytes\n", datalen);
+
+ } else {
+ if (sweepmax)
+ (void)printf("PING %s: (%d ... %d) data bytes\n",
+ hostname, sweepmin, sweepmax);
+ else
+ (void)printf("PING %s: %d data bytes\n", hostname, datalen);
+ }
+
+ /*
+ * Use sigaction() instead of signal() to get unambiguous semantics,
+ * in particular with SA_RESTART not set.
+ */
- while (preload--) /* fire off them quickies */
- pinger();
+ sigemptyset(&si_sa.sa_mask);
+ si_sa.sa_flags = 0;
+
+ si_sa.sa_handler = stopit;
+ if (sigaction(SIGINT, &si_sa, 0) == -1) {
+ err(EX_OSERR, "sigaction SIGINT");
+ }
+ si_sa.sa_handler = stopit;
+ if (sigaction(SIGQUIT, &si_sa, 0) == -1) {
+ err(EX_OSERR, "sigaction SIGQUIT");
+ }
+
+ si_sa.sa_handler = status;
+ if (sigaction(SIGINFO, &si_sa, 0) == -1) {
+ err(EX_OSERR, "sigaction SIGINFO");
+ }
- if ((options & F_FLOOD) == 0)
- catcher(); /* start things going */
+ if (alarmtimeout > 0) {
+ si_sa.sa_handler = stopit;
+ if (sigaction(SIGALRM, &si_sa, 0) == -1)
+ err(EX_OSERR, "sigaction SIGALRM");
+ }
- for (;;) {
- struct sockaddr_in from;
- register int cc;
- int fromlen;
- sigset_t omask, nmask;
+ bzero(&msg, sizeof(msg));
+ msg.msg_name = (caddr_t)&from;
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+#ifdef SO_TIMESTAMP
+ msg.msg_control = (caddr_t)ctrl;
+#endif
+ iov.iov_base = packet;
+ iov.iov_len = IP_MAXPACKET;
- if (options & F_FLOOD) {
+ if (preload == 0)
+ pinger(); /* send the first ping */
+ else {
+ if (npackets != 0 && preload > npackets)
+ preload = npackets;
+ while (preload--) /* fire off them quickies */
pinger();
- timeout.tv_sec = 0;
- timeout.tv_usec = 10000;
- fdmask = 1 << s;
- if (select(s + 1, (fd_set *)&fdmask, (fd_set *)NULL,
- (fd_set *)NULL, &timeout) < 1)
- continue;
+ }
+ (void)gettimeofday(&last, NULL);
+
+ if (options & F_FLOOD) {
+ intvl.tv_sec = 0;
+ intvl.tv_usec = 10000;
+ } else {
+ intvl.tv_sec = interval / 1000;
+ intvl.tv_usec = interval % 1000 * 1000;
+ }
+
+ almost_done = 0;
+ while (!finish_up) {
+ struct timeval now, timeout;
+ fd_set rfds;
+ int cc, n;
+ int tc = -1;
+
+ check_status();
+ if ((unsigned)s >= FD_SETSIZE)
+ errx(EX_OSERR, "descriptor too large");
+ FD_ZERO(&rfds);
+ FD_SET(s, &rfds);
+ (void)gettimeofday(&now, NULL);
+ timeout.tv_sec = last.tv_sec + intvl.tv_sec - now.tv_sec;
+ timeout.tv_usec = last.tv_usec + intvl.tv_usec - now.tv_usec;
+ while (timeout.tv_usec < 0) {
+ timeout.tv_usec += 1000000;
+ timeout.tv_sec--;
}
- fromlen = sizeof(from);
- if ((cc = recvfrom(s, (char *)packet, packlen, 0,
- (struct sockaddr *)&from, &fromlen)) < 0) {
- if (errno == EINTR)
+ while (timeout.tv_usec >= 1000000) {
+ timeout.tv_usec -= 1000000;
+ timeout.tv_sec++;
+ }
+ if (timeout.tv_sec < 0)
+ timeout.tv_sec = timeout.tv_usec = 0;
+ n = select(s + 1, &rfds, NULL, NULL, &timeout);
+ if (n < 0)
+ continue; /* Must be EINTR. */
+ if (n == 1) {
+ struct timeval *tv = NULL;
+#ifdef SO_TIMESTAMP
+ struct cmsghdr *cmsg = (struct cmsghdr *)&ctrl;
+
+ msg.msg_controllen = sizeof(ctrl);
+#endif
+ msg.msg_namelen = sizeof(from);
+ if ((cc = recvmsg(s, &msg, 0)) < 0) {
+ if (errno == EINTR)
+ continue;
+ warn("recvmsg");
continue;
- perror("ping: recvfrom");
- continue;
+ }
+ for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
+#ifdef SO_TIMESTAMP
+ if (cmsg->cmsg_level == SOL_SOCKET &&
+ cmsg->cmsg_type == SCM_TIMESTAMP &&
+ cmsg->cmsg_len == CMSG_LEN(sizeof *tv)) {
+ /* Copy to avoid alignment problems: */
+ memcpy(&now, CMSG_DATA(cmsg), sizeof(now));
+ tv = &now;
+ }
+#endif
+ if (cmsg->cmsg_level == SOL_SOCKET &&
+ cmsg->cmsg_type == SO_TRAFFIC_CLASS &&
+ cmsg->cmsg_len == CMSG_LEN(sizeof(int))) {
+ /* Copy to avoid alignment problems: */
+ memcpy(&tc, CMSG_DATA(cmsg), sizeof(tc));
+ }
+ }
+ if (tv == NULL) {
+ (void)gettimeofday(&now, NULL);
+ tv = &now;
+ }
+ pr_pack((char *)packet, cc, &from, tv, tc);
+ if ((options & F_ONCE && nreceived) ||
+ (npackets && nreceived >= npackets))
+ break;
+ }
+ if (n == 0 || options & F_FLOOD) {
+ if (sweepmax && sntransmitted == snpackets) {
+ datalen += sweepincr;
+ if (datalen > sweepmax)
+ break;
+ send_len = icmp_len + datalen;
+ sntransmitted = 0;
+ }
+ if (!npackets || ntransmitted < npackets)
+ pinger();
+ else {
+ if (almost_done)
+ break;
+ almost_done = 1;
+ intvl.tv_usec = 0;
+ if (nreceived) {
+ intvl.tv_sec = 2 * tmax / 1000;
+ if (!intvl.tv_sec)
+ intvl.tv_sec = 1;
+ } else {
+ intvl.tv_sec = waittime / 1000;
+ intvl.tv_usec = waittime % 1000 * 1000;
+ }
+ }
+ (void)gettimeofday(&last, NULL);
+ if (ntransmitted - nreceived - 1 > nmissedmax) {
+ nmissedmax = ntransmitted - nreceived - 1;
+ if (options & F_MISSED)
+ (void)write(STDOUT_FILENO, &BBELL, 1);
+ if (!(options & F_QUIET)) {
+ printf("Request timeout for icmp_seq %u\n",
+ (uint16_t)(ntransmitted - 2));
+ if (!(options & F_FLOOD))
+ (void)fflush(stdout);
+ }
+ }
}
- sigemptyset(&nmask);
- sigaddset(&nmask, SIGALRM);
- sigprocmask(SIG_BLOCK, &nmask, &omask);
- pr_pack((char *)packet, cc, &from);
- sigprocmask(SIG_SETMASK, &omask, NULL);
- if (npackets && nreceived >= npackets)
- break;
}
finish();
/* NOTREACHED */
+ exit(0); /* Make the compiler happy */
}
/*
- * catcher --
- * This routine causes another PING to be transmitted, and then
- * schedules another SIGALRM for 1 second from now.
- *
- * bug --
- * Our sense of time will slowly skew (i.e., packets will not be
- * launched exactly at 1-second intervals). This does not affect the
- * quality of the delay and loss statistics.
+ * stopit --
+ * Set the global bit that causes the main loop to quit.
+ * Do NOT call finish() from here, since finish() does far too much
+ * to be called from a signal handler.
*/
void
-catcher()
+stopit(int sig __unused)
{
- int waittime;
- pinger();
- (void)signal(SIGALRM, catcher);
- if (!npackets || ntransmitted < npackets)
- alarm((u_int)interval);
- else {
- if (nreceived) {
- waittime = 2 * tmax / 1000;
- if (!waittime)
- waittime = 1;
- } else
- waittime = MAXWAIT;
- (void)signal(SIGALRM, finish);
- (void)alarm((u_int)waittime);
- }
+ /*
+ * When doing reverse DNS lookups, the finish_up flag might not
+ * be noticed for a while. Just exit if we get a second SIGINT.
+ */
+ if (!(options & F_NUMERIC) && finish_up)
+ _exit(nreceived ? 0 : 2);
+ finish_up = 1;
}
/*
* 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.
+ * and the sequence number is an ascending integer. The first TIMEVAL_LEN
+ * bytes of the data portion are used to hold a UNIX "timeval" struct in
+ * host byte-order, to compute the round-trip time.
*/
-pinger()
+static void
+pinger(void)
{
- register struct icmp *icp;
- register int cc;
- int i;
+ struct timeval now;
+ struct tv32 tv32;
+ struct ip *ip;
+ struct icmp *icp;
+ int cc, i;
+ u_char *packet;
+ packet = outpack;
icp = (struct icmp *)outpack;
- icp->icmp_type = ICMP_ECHO;
+ icp->icmp_type = icmp_type;
icp->icmp_code = 0;
icp->icmp_cksum = 0;
- icp->icmp_seq = ntransmitted++;
+ icp->icmp_seq = htons(ntransmitted);
icp->icmp_id = ident; /* ID */
- CLR(icp->icmp_seq % mx_dup_ck);
+ CLR(ntransmitted % mx_dup_ck);
+
+ if ((options & F_TIME) || timing) {
+ (void)gettimeofday(&now, NULL);
- if (timing)
- (void)gettimeofday((struct timeval *)&outpack[8],
- (struct timezone *)NULL);
+ tv32.tv32_sec = htonl(now.tv_sec);
+ tv32.tv32_usec = htonl(now.tv_usec);
+ if (options & F_TIME)
+ icp->icmp_otime = htonl((now.tv_sec % (24*60*60))
+ * 1000 + now.tv_usec / 1000);
+ if (timing)
+ bcopy((void *)&tv32,
+ (void *)&outpack[ICMP_MINLEN + phdr_len],
+ sizeof(tv32));
+ }
- cc = datalen + 8; /* skips ICMP portion */
+ cc = ICMP_MINLEN + phdr_len + datalen;
/* compute ICMP checksum here */
icp->icmp_cksum = in_cksum((u_short *)icp, cc);
- i = sendto(s, (char *)outpack, cc, 0, &whereto,
- sizeof(struct sockaddr));
-
+ if (options & F_HDRINCL) {
+ cc += sizeof(struct ip);
+ ip = (struct ip *)outpackhdr;
+ ip->ip_len = cc;
+ ip->ip_sum = in_cksum((u_short *)outpackhdr, cc);
+ packet = outpackhdr;
+ }
+ if (how_traffic_class > 1 && traffic_class >= 0) {
+ struct msghdr msg;
+ struct iovec iov;
+ char *cmbuf[CMSG_SPACE(sizeof(int))];
+ struct cmsghdr *cm = (struct cmsghdr *)cmbuf;
+
+ msg.msg_name = &whereto;
+ msg.msg_namelen = sizeof(whereto);
+
+ iov.iov_base = packet;
+ iov.iov_len = cc;
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+
+ cm->cmsg_len = CMSG_LEN(sizeof(int));
+ cm->cmsg_level = SOL_SOCKET;
+ cm->cmsg_type = SO_TRAFFIC_CLASS;
+ *(int *)CMSG_DATA(cm) = traffic_class;
+ msg.msg_control = cm;
+ msg.msg_controllen = CMSG_SPACE(sizeof(int));
+
+ msg.msg_flags = 0;
+
+ i = sendmsg(s, &msg, 0);
+ } else {
+ i = sendto(s, (char *)packet, cc, 0, (struct sockaddr *)&whereto,
+ sizeof(whereto));
+ }
if (i < 0 || i != cc) {
- if (i < 0)
- perror("ping: sendto");
- (void)printf("ping: wrote %s %d chars, ret=%d\n",
- hostname, cc, i);
+ if (i < 0) {
+ if (options & F_FLOOD && errno == ENOBUFS) {
+ usleep(FLOOD_BACKOFF);
+ return;
+ }
+ warn("sendto");
+ } else {
+ warn("%s: partial write: %d of %d bytes",
+ hostname, i, cc);
+ }
}
+ ntransmitted++;
+ sntransmitted++;
if (!(options & F_QUIET) && options & F_FLOOD)
(void)write(STDOUT_FILENO, &DOT, 1);
}
* which arrive ('tis only fair). This permits multiple copies of this
* program to be run without having intermingled output (or statistics!).
*/
-pr_pack(buf, cc, from)
- char *buf;
- int cc;
- struct sockaddr_in *from;
+static void
+pr_pack(char *buf, int cc, struct sockaddr_in *from, struct timeval *tv,
+ int tc)
{
- register struct icmp *icp;
- register u_long l;
- register u_int i, j;
- register u_char *cp,*dp;
- static int old_rrlen;
- static char old_rr[MAX_IPOPTLEN];
+ struct in_addr ina;
+ u_char *cp, *dp;
+ struct icmp *icp;
struct ip *ip;
- struct timeval tv, *tp;
+ const void *tp;
double triptime;
- int hlen, dupflag;
-
- (void)gettimeofday(&tv, (struct timezone *)NULL);
+ int dupflag, hlen, i, j, recv_len, seq;
+ static int old_rrlen;
+ static char old_rr[MAX_IPOPTLEN];
/* Check the IP header */
ip = (struct ip *)buf;
hlen = ip->ip_hl << 2;
+ recv_len = cc;
if (cc < hlen + ICMP_MINLEN) {
if (options & F_VERBOSE)
- (void)fprintf(stderr,
- "ping: packet too short (%d bytes) from %s\n", cc,
- inet_ntoa(*(struct in_addr *)&from->sin_addr.s_addr));
+ warn("packet too short (%d bytes) from %s", cc,
+ inet_ntoa(from->sin_addr));
return;
}
/* Now the ICMP part */
cc -= hlen;
icp = (struct icmp *)(buf + hlen);
- if (icp->icmp_type == ICMP_ECHOREPLY) {
+ if (icp->icmp_type == icmp_type_rsp) {
if (icp->icmp_id != ident)
return; /* 'Twas not our ECHO */
++nreceived;
+ triptime = 0.0;
if (timing) {
+ struct timeval tv1;
+ struct tv32 tv32;
#ifndef icmp_data
- tp = (struct timeval *)&icp->icmp_ip;
+ tp = &icp->icmp_ip;
#else
- tp = (struct timeval *)icp->icmp_data;
+ tp = icp->icmp_data;
#endif
- tvsub(&tv, tp);
- triptime = ((double)tv.tv_sec) * 1000.0 +
- ((double)tv.tv_usec) / 1000.0;
- tsum += triptime;
- if (triptime < tmin)
- tmin = triptime;
- if (triptime > tmax)
- tmax = triptime;
+ tp = (const char *)tp + phdr_len;
+
+ if (cc - ICMP_MINLEN - phdr_len >= sizeof(tv1)) {
+ /* Copy to avoid alignment problems: */
+ memcpy(&tv32, tp, sizeof(tv32));
+ tv1.tv_sec = ntohl(tv32.tv32_sec);
+ tv1.tv_usec = ntohl(tv32.tv32_usec);
+ tvsub(tv, &tv1);
+ 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;
+ } else
+ timing = 0;
}
- if (TST(icp->icmp_seq % mx_dup_ck)) {
+ seq = ntohs(icp->icmp_seq);
+
+ if (TST(seq % mx_dup_ck)) {
++nrepeats;
--nreceived;
dupflag = 1;
} else {
- SET(icp->icmp_seq % mx_dup_ck);
+ SET(seq % mx_dup_ck);
dupflag = 0;
}
if (options & F_QUIET)
return;
+
+ if (options & F_WAITTIME && triptime > waittime) {
+ ++nrcvtimeout;
+ return;
+ }
if (options & F_FLOOD)
(void)write(STDOUT_FILENO, &BSPACE, 1);
else {
+ int seq_sent_len = send_len;
+ int seq_datalen = datalen;
+
+ if (sweepmax != 0) {
+ /*
+ * When sweeping take in account the length of that
+ * was sent based on the sequence number
+ */
+ seq_datalen = sweepmin + (seq / snpackets) * sweepincr;
+ seq_sent_len = icmp_len + seq_datalen;
+ }
(void)printf("%d bytes from %s: icmp_seq=%u", cc,
inet_ntoa(*(struct in_addr *)&from->sin_addr.s_addr),
- icp->icmp_seq);
+ seq);
(void)printf(" ttl=%d", ip->ip_ttl);
if (timing)
- (void)printf(" time=%g ms", triptime);
- if (dupflag)
+ (void)printf(" time=%.3f ms", triptime);
+ if (tc != -1) {
+ (void)printf(" tc=%d", tc);
+ }
+ if (dupflag && no_dup == 0) {
(void)printf(" (DUP!)");
+ }
+ if (options & F_AUDIBLE)
+ (void)write(STDOUT_FILENO, &BBELL, 1);
+ if (options & F_MASK) {
+ /* Just prentend this cast isn't ugly */
+ (void)printf(" mask=%s",
+ pr_addr(*(struct in_addr *)&(icp->icmp_mask)));
+ }
+ if (options & F_TIME) {
+ (void)printf(" tso=%s", pr_ntime(icp->icmp_otime));
+ (void)printf(" tsr=%s", pr_ntime(icp->icmp_rtime));
+ (void)printf(" tst=%s", pr_ntime(icp->icmp_ttime));
+ }
+ if (recv_len != seq_sent_len) {
+ (void)printf(
+ "\nwrong total length %d instead of %d",
+ recv_len, seq_sent_len);
+ }
/* check the data */
- cp = (u_char*)&icp->icmp_data[8];
- dp = &outpack[8 + sizeof(struct timeval)];
- for (i = 8; i < datalen; ++i, ++cp, ++dp) {
+ cp = (u_char*)&icp->icmp_data[phdr_len];
+ dp = &outpack[ICMP_MINLEN + phdr_len];
+ cc -= ICMP_MINLEN + phdr_len;
+ i = 0;
+ if (timing) { /* don't check variable timestamp */
+ cp += TIMEVAL_LEN;
+ dp += TIMEVAL_LEN;
+ cc -= TIMEVAL_LEN;
+ i += TIMEVAL_LEN;
+ }
+ for (; i < seq_datalen && cc > 0; ++i, ++cp, ++dp, --cc) {
if (*cp != *dp) {
(void)printf("\nwrong data byte #%d should be 0x%x but was 0x%x",
i, *dp, *cp);
+ (void)printf("\ncp:");
cp = (u_char*)&icp->icmp_data[0];
- for (i = 8; i < datalen; ++i, ++cp) {
- if ((i % 32) == 8)
+ for (i = 0; i < seq_datalen; ++i, ++cp) {
+ if ((i % 16) == 0)
(void)printf("\n\t");
- (void)printf("%x ", *cp);
+ (void)printf("%2x ", *cp);
+ }
+ (void)printf("\ndp:");
+ cp = &outpack[ICMP_MINLEN];
+ for (i = 0; i < seq_datalen; ++i, ++cp) {
+ if ((i % 16) == 0)
+ (void)printf("\n\t");
+ (void)printf("%2x ", *cp);
}
break;
}
}
}
} else {
- /* We've got something other than an ECHOREPLY */
- if (!(options & F_VERBOSE))
- return;
- (void)printf("%d bytes from %s: ", cc,
- pr_addr(from->sin_addr.s_addr));
- pr_icmph(icp);
+ /*
+ * We've got something other than an ECHOREPLY.
+ * See if it's a reply to something that we sent.
+ * We can compare IP destination, protocol,
+ * and ICMP type and ID.
+ *
+ * Only print all the error messages if we are running
+ * as root to avoid leaking information not normally
+ * available to those not running as root.
+ */
+#ifndef icmp_data
+ struct ip *oip = &icp->icmp_ip;
+#else
+ struct ip *oip = (struct ip *)icp->icmp_data;
+#endif
+ struct icmp *oicmp = (struct icmp *)(oip + 1);
+
+ if (((options & F_VERBOSE) && uid == 0) ||
+ (!(options & F_QUIET2) &&
+ (oip->ip_dst.s_addr == whereto.sin_addr.s_addr) &&
+ (oip->ip_p == IPPROTO_ICMP) &&
+ (oicmp->icmp_type == ICMP_ECHO) &&
+ (oicmp->icmp_id == ident))) {
+ (void)printf("%d bytes from %s: ", cc,
+ pr_addr(from->sin_addr));
+ pr_icmph(icp);
+ } else
+ return;
}
/* Display any IP options */
hlen = 0;
break;
case IPOPT_LSRR:
- (void)printf("\nLSRR: ");
+ case IPOPT_SSRR:
+ (void)printf(*cp == IPOPT_LSRR ?
+ "\nLSRR: " : "\nSSRR: ");
+ j = cp[IPOPT_OLEN] - IPOPT_MINOFF + 1;
hlen -= 2;
- j = *++cp;
- ++cp;
- if (j > IPOPT_MINOFF)
+ cp += 2;
+ if (j >= INADDR_LEN &&
+ j <= hlen - (int)sizeof(struct ip)) {
for (;;) {
- l = *++cp;
- l = (l<<8) + *++cp;
- l = (l<<8) + *++cp;
- l = (l<<8) + *++cp;
- if (l == 0)
+ bcopy(++cp, &ina.s_addr, INADDR_LEN);
+ if (ina.s_addr == 0)
(void)printf("\t0.0.0.0");
- else
- (void)printf("\t%s", pr_addr(ntohl(l)));
- hlen -= 4;
- j -= 4;
- if (j <= IPOPT_MINOFF)
- break;
- (void)putchar('\n');
- }
+ else
+ (void)printf("\t%s",
+ pr_addr(ina));
+ hlen -= INADDR_LEN;
+ cp += INADDR_LEN - 1;
+ j -= INADDR_LEN;
+ if (j < INADDR_LEN)
+ break;
+ (void)putchar('\n');
+ }
+ } else
+ (void)printf("\t(truncated route)\n");
break;
case IPOPT_RR:
- j = *++cp; /* get length */
- i = *++cp; /* and pointer */
+ j = cp[IPOPT_OLEN]; /* get length */
+ i = cp[IPOPT_OFFSET]; /* and pointer */
hlen -= 2;
+ cp += 2;
if (i > j)
i = j;
- i -= IPOPT_MINOFF;
- if (i <= 0)
+ i = i - IPOPT_MINOFF + 1;
+ if (i < 0 || i > (hlen - (int)sizeof(struct ip))) {
+ old_rrlen = 0;
continue;
+ }
if (i == old_rrlen
- && cp == (u_char *)buf + sizeof(struct ip) + 2
- && !memcmp(cp, old_rr, i)
+ && !bcmp((char *)cp, old_rr, i)
&& !(options & F_FLOOD)) {
(void)printf("\t(same route)");
- i = ((i + 3) / 4) * 4;
hlen -= i;
cp += i;
break;
}
- if (i < MAX_IPOPTLEN) {
- old_rrlen = i;
- memcpy(old_rr, cp, i);
- } else
- old_rrlen = 0;
-
+ old_rrlen = i;
+ bcopy((char *)cp, old_rr, i);
(void)printf("\nRR: ");
- j = 0;
- for (;;) {
- l = *++cp;
- l = (l<<8) + *++cp;
- l = (l<<8) + *++cp;
- l = (l<<8) + *++cp;
- if (l == 0)
- (void)printf("\t0.0.0.0");
- else
- (void)printf("\t%s", pr_addr(ntohl(l)));
- hlen -= 4;
- i -= 4;
- j += 4;
- if (i <= 0)
- break;
- if (j >= MAX_IPOPTLEN) {
- (void)printf("\t(truncated route)");
- break;
+ if (i >= INADDR_LEN &&
+ i <= hlen - (int)sizeof(struct ip)) {
+ for (;;) {
+ bcopy(++cp, &ina.s_addr, INADDR_LEN);
+ if (ina.s_addr == 0)
+ (void)printf("\t0.0.0.0");
+ else
+ (void)printf("\t%s",
+ pr_addr(ina));
+ hlen -= INADDR_LEN;
+ cp += INADDR_LEN - 1;
+ i -= INADDR_LEN;
+ if (i < INADDR_LEN)
+ break;
+ (void)putchar('\n');
}
- (void)putchar('\n');
- }
+ } else
+ (void)printf("\t(truncated route)");
break;
case IPOPT_NOP:
(void)printf("\nNOP");
* in_cksum --
* Checksum routine for Internet Protocol family headers (C Version)
*/
-in_cksum(addr, len)
- u_short *addr;
- int len;
+u_short
+in_cksum(u_short *addr, int len)
{
- register int nleft = len;
- register u_short *w = addr;
- register int sum = 0;
- u_short answer = 0;
+ int nleft, sum;
+ u_short *w;
+ union {
+ u_short us;
+ u_char uc[2];
+ } last;
+ u_short answer;
+
+ nleft = len;
+ sum = 0;
+ w = addr;
/*
* Our algorithm is simple, using a 32 bit accumulator (sum), we add
/* mop up an odd byte, if necessary */
if (nleft == 1) {
- *(u_char *)(&answer) = *(u_char *)w ;
- sum += answer;
+ last.uc[0] = *(u_char *)w;
+ last.uc[1] = 0;
+ sum += last.us;
}
/* add back carry outs from top 16 bits to low 16 bits */
* Subtract 2 timeval structs: out = out - in. Out is assumed to
* be >= in.
*/
-tvsub(out, in)
- register struct timeval *out, *in;
+static void
+tvsub(struct timeval *out, const struct timeval *in)
{
+
if ((out->tv_usec -= in->tv_usec) < 0) {
--out->tv_sec;
out->tv_usec += 1000000;
out->tv_sec -= in->tv_sec;
}
+/*
+ * status --
+ * Print out statistics when SIGINFO is received.
+ */
+
+static void
+status(int sig __unused)
+{
+
+ siginfo_p = 1;
+}
+
+static void
+check_status(void)
+{
+
+ if (siginfo_p) {
+ siginfo_p = 0;
+ (void)fprintf(stderr, "\r%ld/%ld packets received (%.1f%%)",
+ nreceived, ntransmitted,
+ ntransmitted ? nreceived * 100.0 / ntransmitted : 0.0);
+ if (nreceived && timing)
+ (void)fprintf(stderr, " %.3f min / %.3f avg / %.3f max",
+ tmin, tsum / (nreceived + nrepeats), tmax);
+ (void)fprintf(stderr, "\n");
+ }
+}
+
/*
* finish --
* Print out statistics, and give up.
*/
-void
-finish()
+static void
+finish(void)
{
- register int i;
(void)signal(SIGINT, SIG_IGN);
+ (void)signal(SIGALRM, SIG_IGN);
(void)putchar('\n');
(void)fflush(stdout);
(void)printf("--- %s ping statistics ---\n", hostname);
(void)printf("%ld packets received, ", nreceived);
if (nrepeats)
(void)printf("+%ld duplicates, ", nrepeats);
- if (ntransmitted)
+ if (ntransmitted) {
if (nreceived > ntransmitted)
(void)printf("-- somebody's printing up packets!");
else
- (void)printf("%d%% packet loss",
- (int) (((ntransmitted - nreceived) * 100) /
- ntransmitted));
+ (void)printf("%.1f%% packet loss",
+ ((ntransmitted - nreceived) * 100.0) /
+ ntransmitted);
+ }
+ if (nrcvtimeout)
+ (void)printf(", %ld packets out of wait time", nrcvtimeout);
(void)putchar('\n');
if (nreceived && timing) {
- /* Only display average to microseconds */
- i = 1000.0 * tsum / (nreceived + nrepeats);
- (void)printf("round-trip min/avg/max = %g/%g/%g ms\n",
- tmin, ((double)i) / 1000.0, tmax);
+ double n = nreceived + nrepeats;
+ double avg = tsum / n;
+ double vari = tsumsq / n - avg * avg;
+ (void)printf(
+ "round-trip min/avg/max/stddev = %.3f/%.3f/%.3f/%.3f ms\n",
+ tmin, avg, tmax, sqrt(vari));
}
- exit(0);
+
+ if (nreceived)
+ exit(0);
+ else
+ exit(2);
}
#ifdef notdef
* pr_icmph --
* Print a descriptive string about an ICMP header.
*/
-pr_icmph(icp)
- struct icmp *icp;
+static void
+pr_icmph(struct icmp *icp)
{
+
switch(icp->icmp_type) {
case ICMP_ECHOREPLY:
(void)printf("Echo Reply\n");
(void)printf("Destination Port Unreachable\n");
break;
case ICMP_UNREACH_NEEDFRAG:
- (void)printf("frag needed and DF set\n");
+ (void)printf("frag needed and DF set (MTU %d)\n",
+ ntohs(icp->icmp_nextmtu));
break;
case ICMP_UNREACH_SRCFAIL:
(void)printf("Source Route Failed\n");
break;
+ case ICMP_UNREACH_FILTER_PROHIB:
+ (void)printf("Communication prohibited by filter\n");
+ break;
default:
(void)printf("Dest Unreachable, Bad Code: %d\n",
icp->icmp_code);
(void)printf("Redirect, Bad Code: %d", icp->icmp_code);
break;
}
- (void)printf("(New addr: 0x%08lx)\n", icp->icmp_gwaddr.s_addr);
+ (void)printf("(New addr: %s)\n", inet_ntoa(icp->icmp_gwaddr));
#ifndef icmp_data
pr_retip(&icp->icmp_ip);
#else
(void)printf("Information Reply\n");
/* XXX ID + Seq */
break;
-#ifdef ICMP_MASKREQ
case ICMP_MASKREQ:
(void)printf("Address Mask Request\n");
break;
-#endif
-#ifdef ICMP_MASKREPLY
case ICMP_MASKREPLY:
(void)printf("Address Mask Reply\n");
break;
-#endif
+ case ICMP_ROUTERADVERT:
+ (void)printf("Router Advertisement\n");
+ break;
+ case ICMP_ROUTERSOLICIT:
+ (void)printf("Router Solicitation\n");
+ break;
default:
(void)printf("Bad ICMP type: %d\n", icp->icmp_type);
}
* pr_iph --
* Print an IP header with options.
*/
-pr_iph(ip)
- struct ip *ip;
+static void
+pr_iph(struct ip *ip)
{
- int hlen;
u_char *cp;
+ int hlen;
hlen = ip->ip_hl << 2;
cp = (u_char *)ip + 20; /* point to options */
- (void)printf("Vr HL TOS Len ID Flg off TTL Pro cks Src Dst Data\n");
+ (void)printf("Vr HL TOS Len ID Flg off TTL Pro cks Src Dst\n");
(void)printf(" %1x %1x %02x %04x %04x",
- ip->ip_v, ip->ip_hl, ip->ip_tos, ip->ip_len, ip->ip_id);
- (void)printf(" %1x %04x", ((ip->ip_off) & 0xe000) >> 13,
- (ip->ip_off) & 0x1fff);
- (void)printf(" %02x %02x %04x", ip->ip_ttl, ip->ip_p, ip->ip_sum);
+ ip->ip_v, ip->ip_hl, ip->ip_tos, ntohs(ip->ip_len),
+ ntohs(ip->ip_id));
+ (void)printf(" %1lx %04lx",
+ (u_long) (ntohl(ip->ip_off) & 0xe000) >> 13,
+ (u_long) ntohl(ip->ip_off) & 0x1fff);
+ (void)printf(" %02x %02x %04x", ip->ip_ttl, ip->ip_p,
+ ntohs(ip->ip_sum));
(void)printf(" %s ", inet_ntoa(*(struct in_addr *)&ip->ip_src.s_addr));
(void)printf(" %s ", inet_ntoa(*(struct in_addr *)&ip->ip_dst.s_addr));
- /* dump and option bytes */
+ /* dump any option bytes */
while (hlen-- > 20) {
(void)printf("%02x", *cp++);
}
* Return an ascii host address as a dotted quad and optionally with
* a hostname.
*/
-char *
-pr_addr(l)
- u_long l;
+static char *
+pr_addr(struct in_addr ina)
{
struct hostent *hp;
- static char buf[80];
+ static char buf[16 + 3 + MAXHOSTNAMELEN];
if ((options & F_NUMERIC) ||
- !(hp = gethostbyaddr((char *)&l, 4, AF_INET)))
- (void)sprintf(buf, "%s", inet_ntoa(*(struct in_addr *)&l));
+ !(hp = gethostbyaddr((char *)&ina, 4, AF_INET)))
+ return inet_ntoa(ina);
else
- (void)sprintf(buf, "%s (%s)", hp->h_name,
- inet_ntoa(*(struct in_addr *)&l));
+ (void)snprintf(buf, sizeof(buf), "%s (%s)", hp->h_name,
+ inet_ntoa(ina));
return(buf);
}
* pr_retip --
* Dump some info on a returned (via ICMP) IP packet.
*/
-pr_retip(ip)
- struct ip *ip;
+static void
+pr_retip(struct ip *ip)
{
- int hlen;
u_char *cp;
+ int hlen;
pr_iph(ip);
hlen = ip->ip_hl << 2;
(*cp * 256 + *(cp + 1)), (*(cp + 2) * 256 + *(cp + 3)));
}
-fill(bp, patp)
- char *bp, *patp;
+static char *
+pr_ntime(n_time timestamp)
+{
+ static char buf[10];
+ int hour, min, sec;
+
+ sec = ntohl(timestamp) / 1000;
+ hour = sec / 60 / 60;
+ min = (sec % (60 * 60)) / 60;
+ sec = (sec % (60 * 60)) % 60;
+
+ (void)snprintf(buf, sizeof(buf), "%02d:%02d:%02d", hour, min, sec);
+
+ return (buf);
+}
+
+static void
+fill(char *bp, char *patp)
{
- register int ii, jj, kk;
- int pat[16];
char *cp;
+ int pat[16];
+ u_int ii, jj, kk;
- for (cp = patp; *cp; cp++)
- if (!isxdigit(*cp)) {
- (void)fprintf(stderr,
- "ping: patterns must be specified as hex digits.\n");
- exit(1);
- }
+ for (cp = patp; *cp; cp++) {
+ if (!isxdigit(*cp))
+ errx(EX_USAGE,
+ "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[13], &pat[14], &pat[15]);
if (ii > 0)
- for (kk = 0;
- kk <= MAXPACKET - (8 + sizeof(struct timeval) + ii);
- kk += ii)
+ for (kk = 0; kk <= maxpayload - (TIMEVAL_LEN + ii); kk += ii)
for (jj = 0; jj < ii; ++jj)
bp[jj + kk] = pat[jj];
if (!(options & F_QUIET)) {
}
}
-usage()
+uint32_t
+str2svc(const char *str)
{
- (void)fprintf(stderr,
- "usage: ping [-Rdfnqrv] [-c count] [-i wait] [-l preload]\n\t[-p pattern] [-s packetsize] host\n");
- exit(1);
+ uint32_t svc;
+ char *endptr;
+
+ if (str == NULL || *str == '\0')
+ svc = UINT32_MAX;
+ else if (strcasecmp(str, "BK_SYS") == 0)
+ return SO_TC_BK_SYS;
+ else if (strcasecmp(str, "BK") == 0)
+ return SO_TC_BK;
+ else if (strcasecmp(str, "BE") == 0)
+ return SO_TC_BE;
+ else if (strcasecmp(str, "RD") == 0)
+ return SO_TC_RD;
+ else if (strcasecmp(str, "OAM") == 0)
+ return SO_TC_OAM;
+ else if (strcasecmp(str, "AV") == 0)
+ return SO_TC_AV;
+ else if (strcasecmp(str, "RV") == 0)
+ return SO_TC_RV;
+ else if (strcasecmp(str, "VI") == 0)
+ return SO_TC_VI;
+ else if (strcasecmp(str, "VO") == 0)
+ return SO_TC_VO;
+ else if (strcasecmp(str, "CTL") == 0)
+ return SO_TC_CTL;
+ else {
+ svc = strtoul(str, &endptr, 0);
+ if (*endptr != '\0')
+ svc = UINT32_MAX;
+ }
+ return (svc);
+}
+
+#if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
+#define SECOPT " [-P policy]"
+#else
+#define SECOPT ""
+#endif
+static void
+usage(void)
+{
+
+ (void)fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
+"usage: ping [-AaDdfnoQqRrv] [-b boundif] [-c count] [-G sweepmaxsize]",
+" [-g sweepminsize] [-h sweepincrsize] [-i wait] [−k trafficclass]",
+" [-l preload] [-M mask | time] [-m ttl]" SECOPT " [-p pattern]",
+" [-S src_addr] [-s packetsize] [-t timeout][-W waittime] [-z tos]",
+" host",
+" ping [-AaDdfLnoQqRrv] [-b boundif] [-c count] [-I iface] [-i wait]",
+" [−k trafficclass] [-l preload] [-M mask | time] [-m ttl]" SECOPT " [-p pattern] [-S src_addr]",
+" [-s packetsize] [-T ttl] [-t timeout] [-W waittime]",
+" [-z tos] mcast-group");
+ exit(EX_USAGE);
}
projects / apple / network_cmds.git / blobdiff