summaryrefslogtreecommitdiff
path: root/release/src/router/busybox/ping.c
diff options
context:
space:
mode:
Diffstat (limited to 'release/src/router/busybox/ping.c')
-rw-r--r--release/src/router/busybox/ping.c622
1 files changed, 0 insertions, 622 deletions
diff --git a/release/src/router/busybox/ping.c b/release/src/router/busybox/ping.c
deleted file mode 100644
index e68828e5..00000000
--- a/release/src/router/busybox/ping.c
+++ /dev/null
@@ -1,622 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * $Id: ping.c,v 1.6 2004/05/21 08:41:29 cnhsieh Exp $
- * Mini ping implementation for busybox
- *
- * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * This version of ping is adapted from the ping in netkit-base 0.10,
- * which is:
- *
- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Mike Muuss.
- *
- * Original copyright notice is retained at the end of this file.
- */
-
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/file.h>
-#include <sys/time.h>
-#include <sys/times.h>
-#include <sys/signal.h>
-
-#include <netinet/in.h>
-#include <netinet/ip.h>
-#include <netinet/ip_icmp.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include "busybox.h"
-
-static char *my_filename = NULL;
-static char *voip_filename = NULL;
-
-// add by honor
-#define printf(fmt, args...) do { \
- FILE *fp = fopen(my_filename, "a+"); \
- if (my_filename && fp) { \
- fprintf(fp, fmt, ## args); \
- fclose(fp); \
- } \
- else \
- fprintf(stderr, fmt, ## args); \
-} while (0)
-
-
-/* It turns out that libc5 doesn't have proper icmp support
- * built into it header files, so we have to supplement it */
-#if __GNU_LIBRARY__ < 5
-static const int ICMP_MINLEN = 8; /* abs minimum */
-
-struct icmp_ra_addr
-{
- u_int32_t ira_addr;
- u_int32_t ira_preference;
-};
-
-
-struct icmp
-{
- u_int8_t icmp_type; /* type of message, see below */
- u_int8_t icmp_code; /* type sub code */
- u_int16_t icmp_cksum; /* ones complement checksum of struct */
- union
- {
- u_char ih_pptr; /* ICMP_PARAMPROB */
- struct in_addr ih_gwaddr; /* gateway address */
- struct ih_idseq /* echo datagram */
- {
- u_int16_t icd_id;
- u_int16_t icd_seq;
- } ih_idseq;
- u_int32_t ih_void;
-
- /* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */
- struct ih_pmtu
- {
- u_int16_t ipm_void;
- u_int16_t ipm_nextmtu;
- } ih_pmtu;
-
- struct ih_rtradv
- {
- u_int8_t irt_num_addrs;
- u_int8_t irt_wpa;
- u_int16_t irt_lifetime;
- } ih_rtradv;
- } icmp_hun;
-#define icmp_pptr icmp_hun.ih_pptr
-#define icmp_gwaddr icmp_hun.ih_gwaddr
-#define icmp_id icmp_hun.ih_idseq.icd_id
-#define icmp_seq icmp_hun.ih_idseq.icd_seq
-#define icmp_void icmp_hun.ih_void
-#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void
-#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
-#define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
-#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa
-#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
- union
- {
- struct
- {
- u_int32_t its_otime;
- u_int32_t its_rtime;
- u_int32_t its_ttime;
- } id_ts;
- struct
- {
- struct ip idi_ip;
- /* options and then 64 bits of data */
- } id_ip;
- struct icmp_ra_addr id_radv;
- u_int32_t id_mask;
- u_int8_t id_data[1];
- } icmp_dun;
-#define icmp_otime icmp_dun.id_ts.its_otime
-#define icmp_rtime icmp_dun.id_ts.its_rtime
-#define icmp_ttime icmp_dun.id_ts.its_ttime
-#define icmp_ip icmp_dun.id_ip.idi_ip
-#define icmp_radv icmp_dun.id_radv
-#define icmp_mask icmp_dun.id_mask
-#define icmp_data icmp_dun.id_data
-};
-#endif
-
-static const int DEFDATALEN = 56;
-static const int MAXIPLEN = 60;
-static const int MAXICMPLEN = 76;
-static const int MAXPACKET = 65468;
-#define MAX_DUP_CHK (8 * 128)
-static const int MAXWAIT = 10;
-static const int PINGINTERVAL = 1; /* second */
-static const int QOSMAXWAIT = 3; /* Add by Johnny 2004.5.19 */
-
-#define O_QUIET (1 << 0)
-
-#define A(bit) rcvd_tbl[(bit)>>3] /* identify byte in array */
-#define B(bit) (1 << ((bit) & 0x07)) /* identify bit in byte */
-#define SET(bit) (A(bit) |= B(bit))
-#define CLR(bit) (A(bit) &= (~B(bit)))
-#define TST(bit) (A(bit) & B(bit))
-
-static void ping(const char *host);
-
-/* common routines */
-static int in_cksum(unsigned short *buf, int sz)
-{
- int nleft = sz;
- int sum = 0;
- unsigned short *w = buf;
- unsigned short ans = 0;
-
- while (nleft > 1) {
- sum += *w++;
- nleft -= 2;
- }
-
- if (nleft == 1) {
- *(unsigned char *) (&ans) = *(unsigned char *) w;
- sum += ans;
- }
-
- sum = (sum >> 16) + (sum & 0xFFFF);
- sum += (sum >> 16);
- ans = ~sum;
- return (ans);
-}
-
-/* simple version */
-#ifndef BB_FEATURE_FANCY_PING
-static char *hostname = NULL;
-
-static void noresp(int ign)
-{
- printf("No response from %s\n", hostname);
- exit(0);
-}
-
-static void ping(const char *host)
-{
- struct hostent *h;
- struct sockaddr_in pingaddr;
- struct icmp *pkt;
- int pingsock, c;
- char packet[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
-
- pingsock = create_icmp_socket();
-
- memset(&pingaddr, 0, sizeof(struct sockaddr_in));
-
- pingaddr.sin_family = AF_INET;
- h = xgethostbyname(host);
- memcpy(&pingaddr.sin_addr, h->h_addr, sizeof(pingaddr.sin_addr));
- hostname = h->h_name;
-
- pkt = (struct icmp *) packet;
- memset(pkt, 0, sizeof(packet));
- pkt->icmp_type = ICMP_ECHO;
- pkt->icmp_cksum = in_cksum((unsigned short *) pkt, sizeof(packet));
-
- c = sendto(pingsock, packet, sizeof(packet), 0,
- (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in));
-
- if (c < 0 || c != sizeof(packet))
- perror_msg_and_die("sendto");
-
- signal(SIGALRM, noresp);
- alarm(5); /* give the host 5000ms to respond */
- /* listen for replies */
- while (1) {
- struct sockaddr_in from;
- size_t fromlen = sizeof(from);
-
- if ((c = recvfrom(pingsock, packet, sizeof(packet), 0,
- (struct sockaddr *) &from, &fromlen)) < 0) {
- if (errno == EINTR)
- continue;
- perror_msg("recvfrom");
- continue;
- }
- if (c >= 76) { /* ip + icmp */
- struct iphdr *iphdr = (struct iphdr *) packet;
-
- pkt = (struct icmp *) (packet + (iphdr->ihl << 2)); /* skip ip hdr */
- if (pkt->icmp_type == ICMP_ECHOREPLY)
- break;
- }
- }
- printf("%s is alive!\n", hostname);
- return;
-}
-
-extern int ping_main(int argc, char **argv)
-{
- argc--;
- argv++;
- if (argc < 1)
- show_usage();
- ping(*argv);
- return EXIT_SUCCESS;
-}
-
-#else /* ! BB_FEATURE_FANCY_PING */
-/* full(er) version */
-static char *hostname = NULL;
-static struct sockaddr_in pingaddr;
-static int pingsock = -1;
-static int datalen; /* intentionally uninitialized to work around gcc bug */
-
-static long ntransmitted = 0, nreceived = 0, nrepeats = 0, pingcount = 0;
-static int myid = 0, options = 0;
-static unsigned long tmin = ULONG_MAX, tmax = 0, tsum = 0;
-static char rcvd_tbl[MAX_DUP_CHK / 8];
-
-static void sendping(int);
-static void pingstats(int);
-static void void_pingstats(int);
-static void unpack(char *, int, struct sockaddr_in *);
-
-/**************************************************************************/
-
-static void pingstats(int junk)
-{
- int status;
-
- signal(SIGINT, SIG_IGN);
-
- printf("\n--- %s ping statistics ---\n", hostname);
- printf("%ld packets transmitted, ", ntransmitted);
- printf("%ld packets received, ", nreceived);
- if (nrepeats)
- printf("%ld duplicates, ", nrepeats);
- if (ntransmitted)
- printf("%ld%% packet loss\n",
- (ntransmitted - nreceived) * 100 / ntransmitted);
- if (nreceived)
- printf("round-trip min/avg/max = %lu.%lu/%lu.%lu/%lu.%lu ms\n",
- tmin / 10, tmin % 10,
- (tsum / (nreceived + nrepeats)) / 10,
- (tsum / (nreceived + nrepeats)) % 10, tmax / 10, tmax % 10);
- if (nreceived != 0)
- status = EXIT_SUCCESS;
- else
- status = EXIT_FAILURE;
- exit(status);
-}
-
-// add by johnny
-static void voip_pingstats(int junk)
-{
- int status;
- FILE *fp = fopen(voip_filename, "a+");
-
- signal(SIGINT, SIG_IGN);
-
- if (voip_filename && fp) {
- if (nreceived){
-
- //fprintf(fp, "%lu.%lu\n",
- /*fprintf(fp, "%lu.%lu ",
- (tsum / (nreceived + nrepeats)) / 10,
- (tsum / (nreceived + nrepeats)) % 10);}*/
- fprintf(fp, "%lu ",
- (tsum / (nreceived + nrepeats)));}
- fclose(fp);
- }
- if (nreceived != 0)
- status = EXIT_SUCCESS;
- else
- status = EXIT_FAILURE;
- exit(status);
-}
-
-static void sendping(int junk)
-{
- struct icmp *pkt;
- int i;
- char packet[datalen + 8];
-
- pkt = (struct icmp *) packet;
-
- pkt->icmp_type = ICMP_ECHO;
- pkt->icmp_code = 0;
- pkt->icmp_cksum = 0;
- pkt->icmp_seq = ntransmitted++;
- pkt->icmp_id = myid;
- CLR(pkt->icmp_seq % MAX_DUP_CHK);
-
- gettimeofday((struct timeval *) &packet[8], NULL);
- pkt->icmp_cksum = in_cksum((unsigned short *) pkt, sizeof(packet));
-
- i = sendto(pingsock, packet, sizeof(packet), 0,
- (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in));
-
- if (i < 0)
- perror_msg_and_die("sendto");
- else if ((size_t)i != sizeof(packet))
- error_msg_and_die("ping wrote %d chars; %d expected", i,
- (int)sizeof(packet));
-
- signal(SIGALRM, sendping);
- if (pingcount == 0 || ntransmitted < pingcount) { /* schedule next in 1s */
- alarm(PINGINTERVAL);
- } else { /* done, wait for the last ping to come back */
- /* todo, don't necessarily need to wait so long... */
- signal(SIGALRM, pingstats);
-//Add by Johnny
- if (voip_filename && *voip_filename)
- alarm(QOSMAXWAIT);
- else
-//end add
- alarm(MAXWAIT);
- }
-}
-
-static char *icmp_type_name (int id)
-{
- switch (id) {
- case ICMP_ECHOREPLY: return "Echo Reply";
- case ICMP_DEST_UNREACH: return "Destination Unreachable";
- case ICMP_SOURCE_QUENCH: return "Source Quench";
- case ICMP_REDIRECT: return "Redirect (change route)";
- case ICMP_ECHO: return "Echo Request";
- case ICMP_TIME_EXCEEDED: return "Time Exceeded";
- case ICMP_PARAMETERPROB: return "Parameter Problem";
- case ICMP_TIMESTAMP: return "Timestamp Request";
- case ICMP_TIMESTAMPREPLY: return "Timestamp Reply";
- case ICMP_INFO_REQUEST: return "Information Request";
- case ICMP_INFO_REPLY: return "Information Reply";
- case ICMP_ADDRESS: return "Address Mask Request";
- case ICMP_ADDRESSREPLY: return "Address Mask Reply";
- default: return "unknown ICMP type";
- }
-}
-
-static void unpack(char *buf, int sz, struct sockaddr_in *from)
-{
- struct icmp *icmppkt;
- struct iphdr *iphdr;
- struct timeval tv, *tp;
- int hlen, dupflag;
- unsigned long triptime;
-
- gettimeofday(&tv, NULL);
-
- /* check IP header */
- iphdr = (struct iphdr *) buf;
- hlen = iphdr->ihl << 2;
- /* discard if too short */
- if (sz < (datalen + ICMP_MINLEN))
- return;
-
- sz -= hlen;
- icmppkt = (struct icmp *) (buf + hlen);
-
- if (icmppkt->icmp_id != myid)
- return; /* not our ping */
-
- if (icmppkt->icmp_type == ICMP_ECHOREPLY) {
- ++nreceived;
- tp = (struct timeval *) icmppkt->icmp_data;
-
- if ((tv.tv_usec -= tp->tv_usec) < 0) {
- --tv.tv_sec;
- tv.tv_usec += 1000000;
- }
- tv.tv_sec -= tp->tv_sec;
-
- triptime = tv.tv_sec * 10000 + (tv.tv_usec / 100);
- tsum += triptime;
- if (triptime < tmin)
- tmin = triptime;
- if (triptime > tmax)
- tmax = triptime;
-
- if (TST(icmppkt->icmp_seq % MAX_DUP_CHK)) {
- ++nrepeats;
- --nreceived;
- dupflag = 1;
- } else {
- SET(icmppkt->icmp_seq % MAX_DUP_CHK);
- dupflag = 0;
- }
-
- if (options & O_QUIET)
- return;
-
- printf("%d bytes from %s: icmp_seq=%u", sz,
- inet_ntoa(*(struct in_addr *) &from->sin_addr.s_addr),
- icmppkt->icmp_seq);
- printf(" ttl=%d", iphdr->ttl);
- printf(" time=%lu.%lu ms", triptime / 10, triptime % 10);
- if (dupflag)
- printf(" (DUP!)");
- printf("\n");
- } else
- if (icmppkt->icmp_type != ICMP_ECHO)
- error_msg("Warning: Got ICMP %d (%s)",
- icmppkt->icmp_type, icmp_type_name (icmppkt->icmp_type));
-}
-
-static void ping(const char *host)
-{
- struct hostent *h;
- char buf[MAXHOSTNAMELEN];
- char packet[datalen + MAXIPLEN + MAXICMPLEN];
- int sockopt;
-
- pingsock = create_icmp_socket();
-
- memset(&pingaddr, 0, sizeof(struct sockaddr_in));
-
- pingaddr.sin_family = AF_INET;
- if((h = gethostbyname(host)) == NULL){ // by honor
- printf("Unknown host\n");
- herror_msg_and_die("%s", host);
- }
- if (h->h_addrtype != AF_INET)
- error_msg_and_die("unknown address type; only AF_INET is currently supported.");
-
- memcpy(&pingaddr.sin_addr, h->h_addr, sizeof(pingaddr.sin_addr));
- strncpy(buf, h->h_name, sizeof(buf) - 1);
- hostname = buf;
-
- /* enable broadcast pings */
- sockopt = 1;
- setsockopt(pingsock, SOL_SOCKET, SO_BROADCAST, (char *) &sockopt,
- sizeof(sockopt));
-
- /* set recv buf for broadcast pings */
- sockopt = 48 * 1024;
- setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, (char *) &sockopt,
- sizeof(sockopt));
-
- printf("PING %s (%s): %d data bytes\n",
- hostname,
- inet_ntoa(*(struct in_addr *) &pingaddr.sin_addr.s_addr),
- datalen);
-
- signal(SIGINT, pingstats);
-
- /* start the ping's going ... */
- sendping(0);
-
- /* listen for replies */
- while (1) {
- struct sockaddr_in from;
- socklen_t fromlen = (socklen_t) sizeof(from);
- int c;
-
- if ((c = recvfrom(pingsock, packet, sizeof(packet), 0,
- (struct sockaddr *) &from, &fromlen)) < 0) {
- if (errno == EINTR)
- continue;
- perror_msg("recvfrom");
- continue;
- }
- unpack(packet, c, &from);
- if (pingcount > 0 && nreceived >= pingcount)
- break;
- }
-// add by Johnny
- if (voip_filename && *voip_filename)
- voip_pingstats(0);
- else
-// end add
- pingstats(0);
-}
-
-extern int ping_main(int argc, char **argv)
-{
- char *thisarg;
-
- datalen = DEFDATALEN; /* initialized here rather than in global scope to work around gcc bug */
-
- argc--;
- argv++;
- options = 0;
- /* Parse any options */
- while (argc >= 1 && **argv == '-') {
- thisarg = *argv;
- thisarg++;
- switch (*thisarg) {
- case 'q':
- options |= O_QUIET;
- break;
- case 'c':
- if (--argc <= 0)
- show_usage();
- argv++;
- pingcount = atoi(*argv);
- break;
- case 's':
- if (--argc <= 0)
- show_usage();
- argv++;
- datalen = atoi(*argv);
- break;
- case 'f': // add by honor
- if (--argc <= 0)
- show_usage();
- argv++;
- my_filename = *argv;
- break;
- case 'v': // add by johnny
- if (--argc <= 0)
- show_usage();
- argv++;
- voip_filename = *argv;
- break;
- default:
- show_usage();
- }
- argc--;
- argv++;
- }
- if (argc < 1)
- show_usage();
-
- myid = getpid() & 0xFFFF;
- ping(*argv);
- return EXIT_SUCCESS;
-}
-#endif /* ! BB_FEATURE_FANCY_PING */
-
-/*
- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Mike Muuss.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
- * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
- *
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-04-25 17:59:55 +0000