| Jozsef Kadlecsik | 5b1158e | 2006-12-02 22:07:13 -0800 | [diff] [blame^] | 1 | /* The "unknown" protocol. This is what is used for protocols we |
| 2 | * don't understand. It's returned by ip_ct_find_proto(). |
| 3 | */ |
| 4 | |
| 5 | /* (C) 1999-2001 Paul `Rusty' Russell |
| 6 | * (C) 2002-2006 Netfilter Core Team <coreteam@netfilter.org> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/types.h> |
| 14 | #include <linux/init.h> |
| 15 | |
| 16 | #include <linux/netfilter.h> |
| 17 | #include <net/netfilter/nf_nat.h> |
| 18 | #include <net/netfilter/nf_nat_rule.h> |
| 19 | #include <net/netfilter/nf_nat_protocol.h> |
| 20 | |
| 21 | static int unknown_in_range(const struct nf_conntrack_tuple *tuple, |
| 22 | enum nf_nat_manip_type manip_type, |
| 23 | const union nf_conntrack_man_proto *min, |
| 24 | const union nf_conntrack_man_proto *max) |
| 25 | { |
| 26 | return 1; |
| 27 | } |
| 28 | |
| 29 | static int unknown_unique_tuple(struct nf_conntrack_tuple *tuple, |
| 30 | const struct nf_nat_range *range, |
| 31 | enum nf_nat_manip_type maniptype, |
| 32 | const struct nf_conn *ct) |
| 33 | { |
| 34 | /* Sorry: we can't help you; if it's not unique, we can't frob |
| 35 | anything. */ |
| 36 | return 0; |
| 37 | } |
| 38 | |
| 39 | static int |
| 40 | unknown_manip_pkt(struct sk_buff **pskb, |
| 41 | unsigned int iphdroff, |
| 42 | const struct nf_conntrack_tuple *tuple, |
| 43 | enum nf_nat_manip_type maniptype) |
| 44 | { |
| 45 | return 1; |
| 46 | } |
| 47 | |
| 48 | struct nf_nat_protocol nf_nat_unknown_protocol = { |
| 49 | .name = "unknown", |
| 50 | /* .me isn't set: getting a ref to this cannot fail. */ |
| 51 | .manip_pkt = unknown_manip_pkt, |
| 52 | .in_range = unknown_in_range, |
| 53 | .unique_tuple = unknown_unique_tuple, |
| 54 | }; |