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- /* The "unknown" protocol. This is what is used for protocols we
- * don't understand. It's returned by ip_ct_find_proto().
- */
- /* (C) 1999-2001 Paul `Rusty' Russell
- * (C) 2002-2006 Netfilter Core Team <coreteam@netfilter.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #include <linux/types.h>
- #include <linux/init.h>
- #include <linux/netfilter.h>
- #include <net/netfilter/nf_nat.h>
- #include <net/netfilter/nf_nat_rule.h>
- #include <net/netfilter/nf_nat_protocol.h>
- static int unknown_in_range(const struct nf_conntrack_tuple *tuple,
- enum nf_nat_manip_type manip_type,
- const union nf_conntrack_man_proto *min,
- const union nf_conntrack_man_proto *max)
- {
- return 1;
- }
- static int unknown_unique_tuple(struct nf_conntrack_tuple *tuple,
- const struct nf_nat_range *range,
- enum nf_nat_manip_type maniptype,
- const struct nf_conn *ct)
- {
- /* Sorry: we can't help you; if it's not unique, we can't frob
- anything. */
- return 0;
- }
- static int
- unknown_manip_pkt(struct sk_buff **pskb,
- unsigned int iphdroff,
- const struct nf_conntrack_tuple *tuple,
- enum nf_nat_manip_type maniptype)
- {
- return 1;
- }
- struct nf_nat_protocol nf_nat_unknown_protocol = {
- .name = "unknown",
- /* .me isn't set: getting a ref to this cannot fail. */
- .manip_pkt = unknown_manip_pkt,
- .in_range = unknown_in_range,
- .unique_tuple = unknown_unique_tuple,
- };
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