#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 <signal.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <stdlib.h>
#include "busybox.h"
-
-static const int DEFDATALEN = 56;
-static const int MAXIPLEN = 60;
-static const int MAXICMPLEN = 76;
-static const int MAXPACKET = 65468;
-#define MAX_DUP_CHK (8 * 128)
-static const int MAXWAIT = 10;
-static const int PINGINTERVAL = 1; /* second */
+enum {
+ DEFDATALEN = 56,
+ MAXIPLEN = 60,
+ MAXICMPLEN = 76,
+ MAXPACKET = 65468,
+ MAX_DUP_CHK = (8 * 128),
+ MAXWAIT = 10,
+ PINGINTERVAL = 1 /* second */
+};
#define O_QUIET (1 << 0)
/* simple version */
#ifndef CONFIG_FEATURE_FANCY_PING
-static char *hostname = NULL;
+static char *hostname;
+
static void noresp(int ign)
{
printf("No response from %s\n", hostname);
pkt->icmp_type = ICMP_ECHO;
pkt->icmp_cksum = in_cksum((unsigned short *) pkt, sizeof(packet));
- c = sendto(pingsock, packet, sizeof(packet), 0,
+ c = sendto(pingsock, packet, DEFDATALEN + ICMP_MINLEN, 0,
(struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in));
- if (c < 0 || c != sizeof(packet))
+ if (c < 0) {
+ if (ENABLE_FEATURE_CLEAN_UP) close(pingsock);
bb_perror_msg_and_die("sendto");
+ }
signal(SIGALRM, noresp);
alarm(5); /* give the host 5000ms to respond */
break;
}
}
+ if (ENABLE_FEATURE_CLEAN_UP) close(pingsock);
printf("%s is alive!\n", hostname);
return;
}
-extern int ping_main(int argc, char **argv)
+int ping_main(int argc, char **argv)
{
argc--;
argv++;
#else /* ! CONFIG_FEATURE_FANCY_PING */
/* full(er) version */
static struct sockaddr_in pingaddr;
+static struct sockaddr_in sourceaddr;
static int pingsock = -1;
-static int datalen; /* intentionally uninitialized to work around gcc bug */
+static unsigned datalen; /* intentionally uninitialized to work around gcc bug */
-static long ntransmitted, nreceived, nrepeats, pingcount;
+static unsigned long ntransmitted, nreceived, nrepeats, pingcount;
static int myid, options;
static unsigned long tmin = ULONG_MAX, tmax, tsum;
static char rcvd_tbl[MAX_DUP_CHK / 8];
-#ifndef CONFIG_FEATURE_FANCY_PING6
-static
-#endif
- struct hostent *hostent;
+static struct hostent *hostent;
static void sendping(int);
static void pingstats(int);
signal(SIGINT, SIG_IGN);
printf("\n--- %s ping statistics ---\n", hostent->h_name);
- printf("%ld packets transmitted, ", ntransmitted);
- printf("%ld packets received, ", nreceived);
+ printf("%lu packets transmitted, ", ntransmitted);
+ printf("%lu packets received, ", nreceived);
if (nrepeats)
- printf("%ld duplicates, ", nrepeats);
+ printf("%lu duplicates, ", nrepeats);
if (ntransmitted)
- printf("%ld%% packet loss\n",
+ printf("%lu%% packet loss\n",
(ntransmitted - nreceived) * 100 / ntransmitted);
if (nreceived)
printf("round-trip min/avg/max = %lu.%lu/%lu.%lu/%lu.%lu ms\n",
{
struct icmp *pkt;
int i;
- char packet[datalen + sizeof(struct icmp)];
+ char packet[datalen + ICMP_MINLEN];
pkt = (struct icmp *) packet;
}
}
-static char *icmp_type_name (int id)
+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";
+ 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";
}
}
gettimeofday(&tv, NULL);
- /* check IP header */
- iphdr = (struct iphdr *) buf;
- hlen = iphdr->ihl << 2;
/* discard if too short */
if (sz < (datalen + ICMP_MINLEN))
return;
+ /* check IP header */
+ iphdr = (struct iphdr *) buf;
+ hlen = iphdr->ihl << 2;
sz -= hlen;
icmppkt = (struct icmp *) (buf + hlen);
-
if (icmppkt->icmp_id != myid)
- return; /* not our ping */
+ return; /* not our ping */
if (icmppkt->icmp_type == ICMP_ECHOREPLY) {
u_int16_t recv_seq = ntohs(icmppkt->icmp_seq);
- ++nreceived;
+ ++nreceived;
tp = (struct timeval *) icmppkt->icmp_data;
if ((tv.tv_usec -= tp->tv_usec) < 0) {
printf(" time=%lu.%lu ms", triptime / 10, triptime % 10);
if (dupflag)
printf(" (DUP!)");
- printf("\n");
+ puts("");
} else
if (icmppkt->icmp_type != ICMP_ECHO)
- bb_error_msg("Warning: Got ICMP %d (%s)",
- icmppkt->icmp_type, icmp_type_name (icmppkt->icmp_type));
+ bb_error_msg("warning: got ICMP %d (%s)",
+ icmppkt->icmp_type, icmp_type_name(icmppkt->icmp_type));
fflush(stdout);
}
pingsock = create_icmp_socket();
+ if (sourceaddr.sin_addr.s_addr) {
+ xbind(pingsock, (struct sockaddr*)&sourceaddr, sizeof(sourceaddr));
+ }
+
memset(&pingaddr, 0, sizeof(struct sockaddr_in));
pingaddr.sin_family = AF_INET;
hostent = xgethostbyname(host);
if (hostent->h_addrtype != AF_INET)
- bb_error_msg_and_die("unknown address type; only AF_INET is currently supported.");
+ bb_error_msg_and_die("unknown address type; only AF_INET is currently supported");
memcpy(&pingaddr.sin_addr, hostent->h_addr, sizeof(pingaddr.sin_addr));
setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, (char *) &sockopt,
sizeof(sockopt));
- printf("PING %s (%s): %d data bytes\n",
- hostent->h_name,
- inet_ntoa(*(struct in_addr *) &pingaddr.sin_addr.s_addr),
- datalen);
+ printf("PING %s (%s)",
+ hostent->h_name,
+ inet_ntoa(*(struct in_addr *) &pingaddr.sin_addr.s_addr));
+ if (sourceaddr.sin_addr.s_addr) {
+ printf(" from %s",
+ inet_ntoa(*(struct in_addr *) &sourceaddr.sin_addr.s_addr));
+ }
+ printf(": %d data bytes\n", datalen);
signal(SIGINT, pingstats);
pingstats(0);
}
-extern int ping_main(int argc, char **argv)
+/* TODO: consolidate ether-wake.c, dnsd.c, ifupdown.c, nslookup.c
+ * versions of below thing. BTW we have far too many "%u.%u.%u.%u" too...
+*/
+static int parse_nipquad(const char *str, struct sockaddr_in* addr)
+{
+ char dummy;
+ unsigned i1, i2, i3, i4;
+ if (sscanf(str, "%u.%u.%u.%u%c",
+ &i1, &i2, &i3, &i4, &dummy) == 4
+ && ( (i1|i2|i3|i4) <= 0xff )
+ ) {
+ uint8_t* ptr = (uint8_t*)&addr->sin_addr;
+ ptr[0] = i1;
+ ptr[1] = i2;
+ ptr[2] = i3;
+ ptr[3] = i4;
+ return 0;
+ }
+ return 1; /* error */
+}
+
+int ping_main(int argc, char **argv)
{
char *thisarg;
argc--;
argv++;
- options = 0;
/* Parse any options */
while (argc >= 1 && **argv == '-') {
thisarg = *argv;
break;
case 'c':
if (--argc <= 0)
- bb_show_usage();
+ bb_show_usage();
argv++;
- pingcount = atoi(*argv);
+ pingcount = xatoul(*argv);
break;
case 's':
if (--argc <= 0)
- bb_show_usage();
+ bb_show_usage();
+ argv++;
+ datalen = xatou16(*argv);
+ break;
+ case 'I':
+ if (--argc <= 0)
+ bb_show_usage();
argv++;
- datalen = atoi(*argv);
+/* ping6 accepts iface too:
+ if_index = if_nametoindex(*argv);
+ if (!if_index) ...
+ make it true for ping too. TODO.
+*/
+ if (parse_nipquad(*argv, &sourceaddr))
+ bb_show_usage();
break;
default:
bb_show_usage();
if (argc < 1)
bb_show_usage();
- myid = getpid() & 0xFFFF;
+ myid = (int16_t) getpid();
ping(*argv);
return EXIT_SUCCESS;
}
projects / oweals / busybox.git / blobdiff