Release 4.8 net/ipv4/netfilter/nft_redir_ipv4.c
/*
* Copyright (c) 2014 Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
*
* 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/nf_nat.h>
#include <net/netfilter/nf_nat_redirect.h>
#include <net/netfilter/nft_redir.h>
static void nft_redir_ipv4_eval(const struct nft_expr *expr,
struct nft_regs *regs,
const struct nft_pktinfo *pkt)
{
struct nft_redir *priv = nft_expr_priv(expr);
struct nf_nat_ipv4_multi_range_compat mr;
memset(&mr, 0, sizeof(mr));
if (priv->sreg_proto_min) {
mr.range[0].min.all =
*(__be16 *)®s->data[priv->sreg_proto_min];
mr.range[0].max.all =
*(__be16 *)®s->data[priv->sreg_proto_max];
mr.range[0].flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
}
mr.range[0].flags |= priv->flags;
regs->verdict.code = nf_nat_redirect_ipv4(pkt->skb, &mr,
pkt->hook);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arturo borrero gonzalez | arturo borrero gonzalez | 136 | 88.31% | 1 | 25.00% |
| patrick mchardy | patrick mchardy | 11 | 7.14% | 1 | 25.00% |
| christophe leroy | christophe leroy | 6 | 3.90% | 1 | 25.00% |
| eric w. biederman | eric w. biederman | 1 | 0.65% | 1 | 25.00% |
| Total | 154 | 100.00% | 4 | 100.00% |
static struct nft_expr_type nft_redir_ipv4_type;
static const struct nft_expr_ops nft_redir_ipv4_ops = {
.type = &nft_redir_ipv4_type,
.size = NFT_EXPR_SIZE(sizeof(struct nft_redir)),
.eval = nft_redir_ipv4_eval,
.init = nft_redir_init,
.dump = nft_redir_dump,
.validate = nft_redir_validate,
};
static struct nft_expr_type nft_redir_ipv4_type __read_mostly = {
.family = NFPROTO_IPV4,
.name = "redir",
.ops = &nft_redir_ipv4_ops,
.policy = nft_redir_policy,
.maxattr = NFTA_REDIR_MAX,
.owner = THIS_MODULE,
};
static int __init nft_redir_ipv4_module_init(void)
{
return nft_register_expr(&nft_redir_ipv4_type);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arturo borrero gonzalez | arturo borrero gonzalez | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
static void __exit nft_redir_ipv4_module_exit(void)
{
nft_unregister_expr(&nft_redir_ipv4_type);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arturo borrero gonzalez | arturo borrero gonzalez | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
module_init(nft_redir_ipv4_module_init);
module_exit(nft_redir_ipv4_module_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>");
MODULE_ALIAS_NFT_AF_EXPR(AF_INET, "redir");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arturo borrero gonzalez | arturo borrero gonzalez | 314 | 94.29% | 1 | 20.00% |
| patrick mchardy | patrick mchardy | 11 | 3.30% | 1 | 20.00% |
| christophe leroy | christophe leroy | 6 | 1.80% | 1 | 20.00% |
| pablo neira ayuso | pablo neira ayuso | 1 | 0.30% | 1 | 20.00% |
| eric w. biederman | eric w. biederman | 1 | 0.30% | 1 | 20.00% |
| Total | 333 | 100.00% | 5 | 100.00% |
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