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Diffstat (limited to 'i/pc104/initrd/conf/busybox/networking/udhcp/dumpleases.c')
-rw-r--r--i/pc104/initrd/conf/busybox/networking/udhcp/dumpleases.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/networking/udhcp/dumpleases.c b/i/pc104/initrd/conf/busybox/networking/udhcp/dumpleases.c
new file mode 100644
index 0000000..ce73c47
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/networking/udhcp/dumpleases.c
@@ -0,0 +1,75 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
+ */
+#include <getopt.h>
+
+#include "common.h"
+#include "dhcpd.h"
+
+
+#define REMAINING 0
+#define ABSOLUTE 1
+
+int dumpleases_main(int argc, char *argv[]);
+int dumpleases_main(int argc, char *argv[])
+{
+ int fp;
+ int i, c, mode = REMAINING;
+ unsigned long expires;
+ const char *file = LEASES_FILE;
+ struct dhcpOfferedAddr lease;
+ struct in_addr addr;
+
+ static const struct option options[] = {
+ {"absolute", 0, 0, 'a'},
+ {"remaining", 0, 0, 'r'},
+ {"file", 1, 0, 'f'},
+ {0, 0, 0, 0}
+ };
+
+ while (1) {
+ int option_index = 0;
+ c = getopt_long(argc, argv, "arf:", options, &option_index);
+ if (c == -1) break;
+
+ switch (c) {
+ case 'a': mode = ABSOLUTE; break;
+ case 'r': mode = REMAINING; break;
+ case 'f':
+ file = optarg;
+ break;
+ default:
+ bb_show_usage();
+ }
+ }
+
+ fp = xopen(file, O_RDONLY);
+
+ printf("Mac Address IP-Address Expires %s\n", mode == REMAINING ? "in" : "at");
+ /* "00:00:00:00:00:00 255.255.255.255 Wed Jun 30 21:49:08 1993" */
+ while (full_read(fp, &lease, sizeof(lease)) == sizeof(lease)) {
+ printf(":%02x"+1, lease.chaddr[0]);
+ for (i = 1; i < 6; i++) {
+ printf(":%02x", lease.chaddr[i]);
+ }
+ addr.s_addr = lease.yiaddr;
+ printf(" %-15s ", inet_ntoa(addr));
+ expires = ntohl(lease.expires);
+ if (mode == REMAINING) {
+ if (!expires)
+ printf("expired\n");
+ else {
+ unsigned d, h, m;
+ d = expires / (24*60*60); expires %= (24*60*60);
+ h = expires / (60*60); expires %= (60*60);
+ m = expires / 60; expires %= 60;
+ if (d) printf("%u days ", d);
+ printf("%02u:%02u:%02u\n", h, m, (unsigned)expires);
+ }
+ } else fputs(ctime(&expires), stdout);
+ }
+ /* close(fp); */
+
+ return 0;
+}