1 files changed, 83 insertions, 0 deletions
diff --git a/proto_none.c b/proto_none.c
new file mode 100644
index 0000000..2320625
--- /dev/null
+++ b/proto_none.c
@@ -0,0 +1,83 @@
+/*
+ * netsniff-ng - the packet sniffing beast
+ * Copyright 2009, 2010 Daniel Borkmann.
+ * Subject to the GPL, version 2.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <ctype.h>
+
+#include "proto.h"
+#include "protos.h"
+#include "pkt_buff.h"
+
+void empty(struct pkt_buff *pkt) {}
+
+static void _hex(uint8_t *ptr, size_t len)
+{
+	if (!len)
+		return;
+
+	tprintf(" [ Hex ");
+	for (; ptr && len-- > 0; ptr++)
+		tprintf(" %.2x", *ptr);
+	tprintf(" ]\n");
+}
+
+void hex(struct pkt_buff *pkt)
+{
+	size_t len = pkt_len(pkt);
+
+	if (!len)
+		return;
+
+	_hex(pkt_pull(pkt, len), len);
+	tprintf("\n");
+}
+
+static void _ascii(uint8_t *ptr, size_t len)
+{
+	if (!len)
+		return;
+
+	tprintf(" [ Chr ");
+	for (; ptr && len-- > 0; ptr++)
+		tprintf("%c", isprint(*ptr) ? *ptr : '.');
+	tprintf(" ]\n");
+}
+
+void ascii(struct pkt_buff *pkt)
+{
+	size_t len = pkt_len(pkt);
+
+	if (!len)
+		return;
+
+	_ascii(pkt_pull(pkt, len), len);
+	tprintf("\n");
+}
+
+void hex_ascii(struct pkt_buff *pkt)
+{
+	size_t   len = pkt_len(pkt);
+	uint8_t *ptr = pkt_pull(pkt, len);
+
+	if (len) {
+		_ascii(ptr, len);
+		_hex(ptr, len);
+	}
+
+	tprintf("\n");
+}
+
+static void none_less(struct pkt_buff *pkt)
+{
+	tprintf("\n");
+}
+
+struct protocol none_ops = {
+	.key = 0x01,
+	.print_full = hex_ascii,
+	.print_less = none_less,
+};