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author | Patrick McHardy <kaber@trash.net> | 2012-08-26 19:14:06 +0200 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2012-08-30 03:00:14 +0200 |
commit | c7232c9979cba684c50b64c513c4a83c9aa70563 (patch) | |
tree | dbe0fdac62191d85935f5a3dfe815c1b1add60f9 /net/netfilter/nf_nat_proto_unknown.c | |
parent | 051966c0c644a1c96092d4206e00704ade813c9a (diff) | |
download | op-kernel-dev-c7232c9979cba684c50b64c513c4a83c9aa70563.zip op-kernel-dev-c7232c9979cba684c50b64c513c4a83c9aa70563.tar.gz |
netfilter: add protocol independent NAT core
Convert the IPv4 NAT implementation to a protocol independent core and
address family specific modules.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/netfilter/nf_nat_proto_unknown.c')
-rw-r--r-- | net/netfilter/nf_nat_proto_unknown.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/net/netfilter/nf_nat_proto_unknown.c b/net/netfilter/nf_nat_proto_unknown.c new file mode 100644 index 0000000..6e494d5 --- /dev/null +++ b/net/netfilter/nf_nat_proto_unknown.c @@ -0,0 +1,54 @@ +/* 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_l4proto.h> + +static bool 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 true; +} + +static void unknown_unique_tuple(const struct nf_nat_l3proto *l3proto, + 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; +} + +static bool +unknown_manip_pkt(struct sk_buff *skb, + const struct nf_nat_l3proto *l3proto, + unsigned int iphdroff, unsigned int hdroff, + const struct nf_conntrack_tuple *tuple, + enum nf_nat_manip_type maniptype) +{ + return true; +} + +const struct nf_nat_l4proto nf_nat_l4proto_unknown = { + .manip_pkt = unknown_manip_pkt, + .in_range = unknown_in_range, + .unique_tuple = unknown_unique_tuple, +}; |