* Author: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
* Busybox port: Nick Fedchik <nick@fedchik.org.ua>
*/
+//config:config ARPING
+//config: bool "arping"
+//config: default y
+//config: select PLATFORM_LINUX
+//config: help
+//config: Ping hosts by ARP packets.
+//config:
+
+//applet:IF_ARPING(APPLET(arping, BB_DIR_USR_SBIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_ARPING) += arping.o
//usage:#define arping_trivial_usage
//usage: "[-fqbDUA] [-c CNT] [-w TIMEOUT] [-I IFACE] [-s SRC_IP] DST_IP"
#include <netpacket/packet.h>
#include "libbb.h"
+#include "common_bufsiz.h"
/* We don't expect to see 1000+ seconds delay, unsigned is enough */
#define MONOTONIC_US() ((unsigned)monotonic_us())
unsigned brd_recv;
unsigned req_recv;
} FIX_ALIASING;
-#define G (*(struct globals*)&bb_common_bufsiz1)
+#define G (*(struct globals*)bb_common_bufsiz1)
#define src (G.src )
#define dst (G.dst )
#define me (G.me )
#define brd_recv (G.brd_recv )
#define req_recv (G.req_recv )
#define INIT_G() do { \
+ setup_common_bufsiz(); \
count = -1; \
} while (0)
if (!(option_mask32 & QUIET)) {
int s_printed = 0;
- printf("%scast re%s from %s [%s]",
+ printf("%scast re%s from %s [%02x:%02x:%02x:%02x:%02x:%02x]",
FROM->sll_pkttype == PACKET_HOST ? "Uni" : "Broad",
ah->ar_op == htons(ARPOP_REPLY) ? "ply" : "quest",
inet_ntoa(src_ip),
- ether_ntoa((struct ether_addr *) p));
+ p[0], p[1], p[2], p[3], p[4], p[5]
+ );
if (dst_ip.s_addr != src.s_addr) {
printf("for %s ", inet_ntoa(dst_ip));
s_printed = 1;
}
if (memcmp(p + ah->ar_hln + 4, me.sll_addr, ah->ar_hln)) {
+ unsigned char *pp = p + ah->ar_hln + 4;
if (!s_printed)
printf("for ");
- printf("[%s]",
- ether_ntoa((struct ether_addr *) p + ah->ar_hln + 4));
+ printf("[%02x:%02x:%02x:%02x:%02x:%02x]",
+ pp[0], pp[1], pp[2], pp[3], pp[4], pp[5]
+ );
}
if (last) {
/* Dad also sets quit_on_reply.
* Advert also sets unsolicited.
*/
- opt_complementary = "=1:Df:AU:c+";
- opt = getopt32(argv, "DUAqfbc:w:I:s:",
+ opt_complementary = "=1:Df:AU";
+ opt = getopt32(argv, "DUAqfbc:+w:I:s:",
&count, &str_timeout, &device, &source);
if (opt & 0x80) /* -w: timeout */
timeout_us = xatou_range(str_timeout, 0, INT_MAX/2000000) * 1000000 + 500000;