Contents of /trunk/mkinitrd-magellan/busybox/networking/udhcp/dumpleases.c
Parent Directory | Revision Log
Revision 532 -
(show annotations)
(download)
Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File MIME type: text/plain
File size: 1714 byte(s)
Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File MIME type: text/plain
File size: 1714 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. |
4 | */ |
5 | #include <getopt.h> |
6 | |
7 | #include "common.h" |
8 | #include "dhcpd.h" |
9 | |
10 | |
11 | #define REMAINING 0 |
12 | #define ABSOLUTE 1 |
13 | |
14 | int dumpleases_main(int argc, char *argv[]) |
15 | { |
16 | int fp; |
17 | int i, c, mode = REMAINING; |
18 | unsigned long expires; |
19 | const char *file = LEASES_FILE; |
20 | struct dhcpOfferedAddr lease; |
21 | struct in_addr addr; |
22 | |
23 | static const struct option options[] = { |
24 | {"absolute", 0, 0, 'a'}, |
25 | {"remaining", 0, 0, 'r'}, |
26 | {"file", 1, 0, 'f'}, |
27 | {0, 0, 0, 0} |
28 | }; |
29 | |
30 | while (1) { |
31 | int option_index = 0; |
32 | c = getopt_long(argc, argv, "arf:", options, &option_index); |
33 | if (c == -1) break; |
34 | |
35 | switch (c) { |
36 | case 'a': mode = ABSOLUTE; break; |
37 | case 'r': mode = REMAINING; break; |
38 | case 'f': |
39 | file = optarg; |
40 | break; |
41 | default: |
42 | bb_show_usage(); |
43 | } |
44 | } |
45 | |
46 | fp = xopen(file, O_RDONLY); |
47 | |
48 | printf("Mac Address IP-Address Expires %s\n", mode == REMAINING ? "in" : "at"); |
49 | /* "00:00:00:00:00:00 255.255.255.255 Wed Jun 30 21:49:08 1993" */ |
50 | while (full_read(fp, &lease, sizeof(lease)) == sizeof(lease)) { |
51 | printf(":%02x"+1, lease.chaddr[0]); |
52 | for (i = 1; i < 6; i++) { |
53 | printf(":%02x", lease.chaddr[i]); |
54 | } |
55 | addr.s_addr = lease.yiaddr; |
56 | printf(" %-15s ", inet_ntoa(addr)); |
57 | expires = ntohl(lease.expires); |
58 | if (mode == REMAINING) { |
59 | if (!expires) |
60 | printf("expired\n"); |
61 | else { |
62 | unsigned d, h, m; |
63 | d = expires / (24*60*60); expires %= (24*60*60); |
64 | h = expires / (60*60); expires %= (60*60); |
65 | m = expires / 60; expires %= 60; |
66 | if (d) printf("%u days ", d); |
67 | printf("%02u:%02u:%02u\n", h, m, (unsigned)expires); |
68 | } |
69 | } else fputs(ctime(&expires), stdout); |
70 | } |
71 | /* close(fp); */ |
72 | |
73 | return 0; |
74 | } |