Release 4.10 net/ipv4/netfilter/nft_masq_ipv4.c
/*
* Copyright (c) 2014 Arturo Borrero Gonzalez <arturo@debian.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/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/netlink.h>
#include <linux/netfilter.h>
#include <linux/netfilter/nf_tables.h>
#include <net/netfilter/nf_tables.h>
#include <net/netfilter/nft_masq.h>
#include <net/netfilter/ipv4/nf_nat_masquerade.h>
static void nft_masq_ipv4_eval(const struct nft_expr *expr,
struct nft_regs *regs,
const struct nft_pktinfo *pkt)
{
struct nft_masq *priv = nft_expr_priv(expr);
struct nf_nat_range range;
memset(&range, 0, sizeof(range));
range.flags = priv->flags;
if (priv->sreg_proto_min) {
range.min_proto.all =
*(__be16 *)®s->data[priv->sreg_proto_min];
range.max_proto.all =
*(__be16 *)®s->data[priv->sreg_proto_max];
}
regs->verdict.code = nf_nat_masquerade_ipv4(pkt->skb, nft_hook(pkt),
&range, nft_out(pkt));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arturo borrero gonzalez | arturo borrero gonzalez | 58 | 43.28% | 1 | 20.00% |
| pablo neira ayuso | pablo neira ayuso | 56 | 41.79% | 2 | 40.00% |
| daniel borkmann | daniel borkmann | 13 | 9.70% | 1 | 20.00% |
| patrick mchardy | patrick mchardy | 7 | 5.22% | 1 | 20.00% |
| Total | 134 | 100.00% | 5 | 100.00% |
static void
nft_masq_ipv4_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr)
{
nf_ct_netns_put(ctx->net, NFPROTO_IPV4);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian westphal | florian westphal | 27 | 100.00% | 1 | 100.00% |
| Total | 27 | 100.00% | 1 | 100.00% |
static struct nft_expr_type nft_masq_ipv4_type;
static const struct nft_expr_ops nft_masq_ipv4_ops = {
.type = &nft_masq_ipv4_type,
.size = NFT_EXPR_SIZE(sizeof(struct nft_masq)),
.eval = nft_masq_ipv4_eval,
.init = nft_masq_init,
.destroy = nft_masq_ipv4_destroy,
.dump = nft_masq_dump,
.validate = nft_masq_validate,
};
static struct nft_expr_type nft_masq_ipv4_type __read_mostly = {
.family = NFPROTO_IPV4,
.name = "masq",
.ops = &nft_masq_ipv4_ops,
.policy = nft_masq_policy,
.maxattr = NFTA_MASQ_MAX,
.owner = THIS_MODULE,
};
static int __init nft_masq_ipv4_module_init(void)
{
int ret;
ret = nft_register_expr(&nft_masq_ipv4_type);
if (ret < 0)
return ret;
nf_nat_masquerade_ipv4_register_notifier();
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arturo borrero gonzalez | arturo borrero gonzalez | 35 | 100.00% | 2 | 100.00% |
| Total | 35 | 100.00% | 2 | 100.00% |
static void __exit nft_masq_ipv4_module_exit(void)
{
nft_unregister_expr(&nft_masq_ipv4_type);
nf_nat_masquerade_ipv4_unregister_notifier();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arturo borrero gonzalez | arturo borrero gonzalez | 18 | 100.00% | 2 | 100.00% |
| Total | 18 | 100.00% | 2 | 100.00% |
module_init(nft_masq_ipv4_module_init);
module_exit(nft_masq_ipv4_module_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo@debian.org");
MODULE_ALIAS_NFT_AF_EXPR(AF_INET, "masq");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arturo borrero gonzalez | arturo borrero gonzalez | 251 | 68.96% | 3 | 33.33% |
| pablo neira ayuso | pablo neira ayuso | 61 | 16.76% | 3 | 33.33% |
| florian westphal | florian westphal | 32 | 8.79% | 1 | 11.11% |
| daniel borkmann | daniel borkmann | 13 | 3.57% | 1 | 11.11% |
| patrick mchardy | patrick mchardy | 7 | 1.92% | 1 | 11.11% |
| Total | 364 | 100.00% | 9 | 100.00% |
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