Annotation of /trunk/mkinitrd-magellan/busybox/networking/udhcp/dumpleases.c
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Revision 532 -
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Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (16 years, 9 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 | niro | 532 | /* 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 | } |