cregit-Linux how code gets into the kernel

Release 4.14 net/netfilter/nft_redir.c

Directory: net/netfilter
/*
 * 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_nat.h>
#include <net/netfilter/nf_tables.h>
#include <net/netfilter/nft_redir.h>


const struct nla_policy nft_redir_policy[NFTA_REDIR_MAX + 1] = {
	[NFTA_REDIR_REG_PROTO_MIN]	= { .type = NLA_U32 },
	[NFTA_REDIR_REG_PROTO_MAX]	= { .type = NLA_U32 },
	[NFTA_REDIR_FLAGS]		= { .type = NLA_U32 },
};

EXPORT_SYMBOL_GPL(nft_redir_policy);


int nft_redir_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_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT)); }

Contributors

PersonTokensPropCommitsCommitProp
Pablo Neira Ayuso67100.00%1100.00%
Total67100.00%1100.00%

EXPORT_SYMBOL_GPL(nft_redir_validate);
int nft_redir_init(const struct nft_ctx *ctx, const struct nft_expr *expr, const struct nlattr * const tb[]) { struct nft_redir *priv = nft_expr_priv(expr); unsigned int plen; int err; plen = FIELD_SIZEOF(struct nf_nat_range, min_addr.all); if (tb[NFTA_REDIR_REG_PROTO_MIN]) { priv->sreg_proto_min = nft_parse_register(tb[NFTA_REDIR_REG_PROTO_MIN]); err = nft_validate_register_load(priv->sreg_proto_min, plen); if (err < 0) return err; if (tb[NFTA_REDIR_REG_PROTO_MAX]) { priv->sreg_proto_max = nft_parse_register(tb[NFTA_REDIR_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; } } if (tb[NFTA_REDIR_FLAGS]) { priv->flags = ntohl(nla_get_be32(tb[NFTA_REDIR_FLAGS])); if (priv->flags & ~NF_NAT_RANGE_MASK) return -EINVAL; } return nf_ct_netns_get(ctx->net, ctx->afi->family); }

Contributors

PersonTokensPropCommitsCommitProp
Arturo Borrero Gonzalez15678.79%120.00%
Patrick McHardy2412.12%240.00%
Florian Westphal126.06%120.00%
Pablo Neira Ayuso63.03%120.00%
Total198100.00%5100.00%

EXPORT_SYMBOL_GPL(nft_redir_init);
int nft_redir_dump(struct sk_buff *skb, const struct nft_expr *expr) { const struct nft_redir *priv = nft_expr_priv(expr); if (priv->sreg_proto_min) { if (nft_dump_register(skb, NFTA_REDIR_REG_PROTO_MIN, priv->sreg_proto_min)) goto nla_put_failure; if (nft_dump_register(skb, NFTA_REDIR_REG_PROTO_MAX, priv->sreg_proto_max)) goto nla_put_failure; } if (priv->flags != 0 && nla_put_be32(skb, NFTA_REDIR_FLAGS, htonl(priv->flags))) goto nla_put_failure; return 0; nla_put_failure: return -1; }

Contributors

PersonTokensPropCommitsCommitProp
Arturo Borrero Gonzalez9998.02%150.00%
Patrick McHardy21.98%150.00%
Total101100.00%2100.00%

EXPORT_SYMBOL_GPL(nft_redir_dump); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo@debian.org>");

Overall Contributors

PersonTokensPropCommitsCommitProp
Arturo Borrero Gonzalez35375.27%228.57%
Pablo Neira Ayuso7816.63%228.57%
Patrick McHardy265.54%228.57%
Florian Westphal122.56%114.29%
Total469100.00%7100.00%
Directory: net/netfilter
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.