Release 4.11 net/netfilter/nft_masq.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/nf_nat.h>
#include <net/netfilter/nft_masq.h>
const struct nla_policy nft_masq_policy[NFTA_MASQ_MAX + 1] = {
[NFTA_MASQ_FLAGS] = { .type = NLA_U32 },
[NFTA_MASQ_REG_PROTO_MIN] = { .type = NLA_U32 },
[NFTA_MASQ_REG_PROTO_MAX] = { .type = NLA_U32 },
};
EXPORT_SYMBOL_GPL(nft_masq_policy);
int nft_masq_validate(const struct nft_ctx *ctx,
const struct nft_expr *expr,
const struct nft_data **data)
{
int err;
err = nft_chain_validate_dependency(ctx->chain, NFT_CHAIN_T_NAT);
if (err < 0)
return err;
return nft_chain_validate_hooks(ctx->chain,
(1 << NF_INET_POST_ROUTING));
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Pablo Neira Ayuso | 61 | 100.00% | 1 | 100.00% |
Total | 61 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL_GPL(nft_masq_validate);
int nft_masq_init(const struct nft_ctx *ctx,
const struct nft_expr *expr,
const struct nlattr * const tb[])
{
u32 plen = FIELD_SIZEOF(struct nf_nat_range, min_addr.all);
struct nft_masq *priv = nft_expr_priv(expr);
int err;
err = nft_masq_validate(ctx, expr, NULL);
if (err)
return err;
if (tb[NFTA_MASQ_FLAGS]) {
priv->flags = ntohl(nla_get_be32(tb[NFTA_MASQ_FLAGS]));
if (priv->flags & ~NF_NAT_RANGE_MASK)
return -EINVAL;
}
if (tb[NFTA_MASQ_REG_PROTO_MIN]) {
priv->sreg_proto_min =
nft_parse_register(tb[NFTA_MASQ_REG_PROTO_MIN]);
err = nft_validate_register_load(priv->sreg_proto_min, plen);
if (err < 0)
return err;
if (tb[NFTA_MASQ_REG_PROTO_MAX]) {
priv->sreg_proto_max =
nft_parse_register(tb[NFTA_MASQ_REG_PROTO_MAX]);
err = nft_validate_register_load(priv->sreg_proto_max,
plen);
if (err < 0)
return err;
} else {
priv->sreg_proto_max = priv->sreg_proto_min;
}
}
return nf_ct_netns_get(ctx->net, ctx->afi->family);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Pablo Neira Ayuso | 129 | 60.56% | 3 | 60.00% |
Arturo Borrero Gonzalez | 72 | 33.80% | 1 | 20.00% |
Florian Westphal | 12 | 5.63% | 1 | 20.00% |
Total | 213 | 100.00% | 5 | 100.00% |
EXPORT_SYMBOL_GPL(nft_masq_init);
int nft_masq_dump(struct sk_buff *skb, const struct nft_expr *expr)
{
const struct nft_masq *priv = nft_expr_priv(expr);
if (priv->flags != 0 &&
nla_put_be32(skb, NFTA_MASQ_FLAGS, htonl(priv->flags)))
goto nla_put_failure;
if (priv->sreg_proto_min) {
if (nft_dump_register(skb, NFTA_MASQ_REG_PROTO_MIN,
priv->sreg_proto_min) ||
nft_dump_register(skb, NFTA_MASQ_REG_PROTO_MAX,
priv->sreg_proto_max))
goto nla_put_failure;
}
return 0;
nla_put_failure:
return -1;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Arturo Borrero Gonzalez | 59 | 61.46% | 1 | 50.00% |
Pablo Neira Ayuso | 37 | 38.54% | 1 | 50.00% |
Total | 96 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL_GPL(nft_masq_dump);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo@debian.org>");
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Pablo Neira Ayuso | 254 | 53.70% | 3 | 50.00% |
Arturo Borrero Gonzalez | 207 | 43.76% | 2 | 33.33% |
Florian Westphal | 12 | 2.54% | 1 | 16.67% |
Total | 473 | 100.00% | 6 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.