1 files changed, 36 insertions, 0 deletions
diff --git a/tools/ncb.c b/tools/ncb.c
new file mode 100644
index 00000000000..74deebb6528
--- /dev/null
+++ b/tools/ncb.c
@@ -0,0 +1,36 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <linux/in.h>
+
+int main (int argc, char *argv[])
+{
+	int s, len, o, port = 6666;
+	char buf[512];
+	struct sockaddr_in addr;
+	int addr_len = sizeof addr;
+
+	if (argc > 1)
+		port = atoi (argv[1]);
+
+	s = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP);
+
+	o = 1;
+	len = 4;
+	setsockopt (3, SOL_SOCKET, SO_REUSEADDR, &o, len);
+
+	addr.sin_family = AF_INET;
+	addr.sin_port = htons (port);
+	addr.sin_addr.s_addr = INADDR_ANY;	/* receive broadcasts */
+
+	bind (s, (struct sockaddr *) &addr, sizeof addr);
+
+	for (;;) {
+		len = recvfrom (s, buf, sizeof buf, 0, (struct sockaddr *) &addr, &addr_len);
+		if (len < 0)
+			break;
+		write (1, buf, len);
+	}
+
+	return 0;
+}