+// L2TPNS: arp
+
+char const *cvs_id_arp = "$Id: arp.c,v 1.3 2004/06/28 02:43:13 fred_nerk Exp $";
+
#include <string.h>
#include <unistd.h>
#include <net/ethernet.h>
memcpy(&buf.ar_sip, &ip, sizeof(ip));
memcpy(buf.ar_tha, mac, ETH_ALEN);
memcpy(&buf.ar_tip, &ip, sizeof(ip));
-
+
/* Now actually send the thing */
fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_RARP));
memset(&sll, 0, sizeof(sll));
sll.sll_family = AF_PACKET;
- strncpy(sll.sll_addr, mac, sizeof(sll.sll_addr)); /* Null-pad */
+ strncpy(sll.sll_addr, mac, sizeof(sll.sll_addr) - 1);
sll.sll_halen = ETH_ALEN;
sll.sll_ifindex = ifr_idx;
sendto(fd, &buf, sizeof(buf), 0, (struct sockaddr*)&sll, sizeof(sll));
+ close(fd);
}