patch-2.3.99-pre2 linux/net/ipv4/netfilter/ip_nat_proto_unknown.c

• Lines: 62
• Date: Fri Mar 17 10:56:20 2000
• Orig file: v2.3.99-pre1/linux/net/ipv4/netfilter/ip_nat_proto_unknown.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre1/linux/net/ipv4/netfilter/ip_nat_proto_unknown.c linux/net/ipv4/netfilter/ip_nat_proto_unknown.c
@@ -0,0 +1,61 @@
+/* The "unknown" protocol.  This is what is used for protocols we
+ * don't understand.  It's returned by find_proto().
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/netfilter.h>
+#include <linux/if.h>
+
+#include <linux/netfilter_ipv4/ip_nat.h>
+#include <linux/netfilter_ipv4/ip_nat_rule.h>
+#include <linux/netfilter_ipv4/ip_nat_protocol.h>
+
+static int unknown_in_range(const struct ip_conntrack_tuple *tuple,
+			    enum ip_nat_manip_type manip_type,
+			    const union ip_conntrack_manip_proto *min,
+			    const union ip_conntrack_manip_proto *max)
+{
+	return 1;
+}
+
+static int unknown_unique_tuple(struct ip_conntrack_tuple *tuple,
+				const struct ip_nat_range *range,
+				enum ip_nat_manip_type maniptype,
+				const struct ip_conntrack *conntrack)
+{
+	/* Sorry: we can't help you; if it's not unique, we can't frob
+	   anything. */
+	return 0;
+}
+
+static void
+unknown_manip_pkt(struct iphdr *iph, size_t len,
+		  const struct ip_conntrack_manip *manip,
+		  enum ip_nat_manip_type maniptype)
+{
+	return;
+}
+
+static unsigned int
+unknown_print(char *buffer,
+	      const struct ip_conntrack_tuple *match,
+	      const struct ip_conntrack_tuple *mask)
+{
+	return 0;
+}
+
+static unsigned int
+unknown_print_range(char *buffer, const struct ip_nat_range *range)
+{
+	return 0;
+}
+
+struct ip_nat_protocol unknown_nat_protocol = {
+	{ NULL, NULL }, "unknown", 0,
+	unknown_manip_pkt,
+	unknown_in_range,
+	unknown_unique_tuple,
+	unknown_print,
+	unknown_print_range
+};