1 /* vi: set sw=4 ts=4: */
3 * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
10 #include <arpa/inet.h>
12 #include <netinet/in.h>
14 #include <sys/socket.h>
21 #include "libbb_udhcp.h"
26 int dumpleases_main(int argc, char *argv[])
29 int i, c, mode = REMAINING;
31 const char *file = LEASES_FILE;
32 struct dhcpOfferedAddr lease;
35 static const struct option options[] = {
36 {"absolute", 0, 0, 'a'},
37 {"remaining", 0, 0, 'r'},
44 c = getopt_long(argc, argv, "arf:", options, &option_index);
48 case 'a': mode = ABSOLUTE; break;
49 case 'r': mode = REMAINING; break;
58 fp = xfopen(file, "r");
60 printf("Mac Address IP-Address Expires %s\n", mode == REMAINING ? "in" : "at");
61 /* "00:00:00:00:00:00 255.255.255.255 Wed Jun 30 21:49:08 1993" */
62 while (fread(&lease, sizeof(lease), 1, fp)) {
64 for (i = 0; i < 6; i++) {
65 printf("%02x", lease.chaddr[i]);
66 if (i != 5) printf(":");
68 addr.s_addr = lease.yiaddr;
69 printf(" %-15s", inet_ntoa(addr));
70 expires = ntohl(lease.expires);
72 if (mode == REMAINING) {
73 if (!expires) printf("expired\n");
75 if (expires > 60*60*24) {
76 printf("%ld days, ", expires / (60*60*24));
79 if (expires > 60*60) {
80 printf("%ld hours, ", expires / (60*60));
84 printf("%ld minutes, ", expires / 60);
87 printf("%ld seconds\n", expires);
89 } else printf("%s", ctime(&expires));