Correcting tag name to be like previous ones1_3_0

1 files changed, 74 insertions, 0 deletions

diff --git a/networking/udhcp/dumpleases.c b/networking/udhcp/dumpleases.c
new file mode 100644
index 0000000..a0e81bb
--- /dev/null
+++ b/networking/udhcp/dumpleases.c
@@ -0,0 +1,74 @@
+/* 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 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;
+}