7 #include <netinet/in.h>
9 #include <sys/socket.h>
20 int dumpleases_main(int argc, char *argv[])
23 int i, c, mode = REMAINING;
25 const char *file = leases_file;
26 struct dhcpOfferedAddr lease;
29 static const struct option options[] = {
30 {"absolute", 0, 0, 'a'},
31 {"remaining", 0, 0, 'r'},
38 c = getopt_long(argc, argv, "arf:", options, &option_index);
42 case 'a': mode = ABSOLUTE; break;
43 case 'r': mode = REMAINING; break;
52 fp = bb_xfopen(file, "r");
54 printf("Mac Address IP-Address Expires %s\n", mode == REMAINING ? "in" : "at");
55 /* "00:00:00:00:00:00 255.255.255.255 Wed Jun 30 21:49:08 1993" */
56 while (fread(&lease, sizeof(lease), 1, fp)) {
58 for (i = 0; i < 6; i++) {
59 printf("%02x", lease.chaddr[i]);
60 if (i != 5) printf(":");
62 addr.s_addr = lease.yiaddr;
63 printf(" %-15s", inet_ntoa(addr));
64 expires = ntohl(lease.expires);
66 if (mode == REMAINING) {
67 if (!expires) printf("expired\n");
69 if (expires > 60*60*24) {
70 printf("%ld days, ", expires / (60*60*24));
73 if (expires > 60*60) {
74 printf("%ld hours, ", expires / (60*60));
78 printf("%ld minutes, ", expires / 60);
81 printf("%ld seconds\n", expires);
83 } else printf("%s", ctime(&expires));