1 files changed, 88 insertions, 0 deletions
diff --git a/release/src/router/busybox/networking/udhcp/dumpleases.c b/release/src/router/busybox/networking/udhcp/dumpleases.c
new file mode 100644
index 00000000..4c6107cf
--- /dev/null
+++ b/release/src/router/busybox/networking/udhcp/dumpleases.c
@@ -0,0 +1,88 @@
+#include <fcntl.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <time.h>
+
+#include "leases.h"
+#include "busybox.h"
+
+#define REMAINING 0
+#define ABSOLUTE 1
+
+int dumpleases_main(int argc, char *argv[])
+{
+	FILE *fp;
+	int i, c, mode = REMAINING;
+	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 = bb_xfopen(file, "r");
+
+	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 (fread(&lease, sizeof(lease), 1, fp)) {
+
+		for (i = 0; i < 6; i++) {
+			printf("%02x", lease.chaddr[i]);
+			if (i != 5) printf(":");
+		}
+		addr.s_addr = lease.yiaddr;
+		printf(" %-15s", inet_ntoa(addr));
+		expires = ntohl(lease.expires);
+		printf(" ");
+		if (mode == REMAINING) {
+			if (!expires) printf("expired\n");
+			else {
+				if (expires > 60*60*24) {
+					printf("%ld days, ", expires / (60*60*24));
+					expires %= 60*60*24;
+				}
+				if (expires > 60*60) {
+					printf("%ld hours, ", expires / (60*60));
+					expires %= 60*60;
+				}
+				if (expires > 60) {
+					printf("%ld minutes, ", expires / 60);
+					expires %= 60;
+				}
+				printf("%ld seconds\n", expires);
+			}
+		} else printf("%s", ctime(&expires));
+	}
+	fclose(fp);
+	
+	return 0;
+}