cregit-Linux how code gets into the kernel

Release 4.8 net/ipv6/netfilter/nft_reject_ipv6.c

/*
 * Copyright (c) 2008-2009 Patrick McHardy <kaber@trash.net>
 * Copyright (c) 2013 Eric Leblond <eric@regit.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.
 *
 * Development of this code funded by Astaro AG (http://www.astaro.com/)
 */

#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_reject.h>
#include <net/netfilter/ipv6/nf_reject.h>


static void nft_reject_ipv6_eval(const struct nft_expr *expr, struct nft_regs *regs, const struct nft_pktinfo *pkt) { struct nft_reject *priv = nft_expr_priv(expr); switch (priv->type) { case NFT_REJECT_ICMP_UNREACH: nf_send_unreach6(pkt->net, pkt->skb, priv->icmp_code, pkt->hook); break; case NFT_REJECT_TCP_RST: nf_send_reset6(pkt->net, pkt->skb, pkt->hook); break; default: break; } regs->verdict.code = NF_DROP; }

Contributors

PersonTokensPropCommitsCommitProp
patrick mchardypatrick mchardy8490.32%233.33%
eric w. biedermaneric w. biederman66.45%233.33%
david s. millerdavid s. miller22.15%116.67%
florian westphalflorian westphal11.08%116.67%
Total93100.00%6100.00%

static struct nft_expr_type nft_reject_ipv6_type; static const struct nft_expr_ops nft_reject_ipv6_ops = { .type = &nft_reject_ipv6_type, .size = NFT_EXPR_SIZE(sizeof(struct nft_reject)), .eval = nft_reject_ipv6_eval, .init = nft_reject_init, .dump = nft_reject_dump, .validate = nft_reject_validate, }; static struct nft_expr_type nft_reject_ipv6_type __read_mostly = { .family = NFPROTO_IPV6, .name = "reject", .ops = &nft_reject_ipv6_ops, .policy = nft_reject_policy, .maxattr = NFTA_REJECT_MAX, .owner = THIS_MODULE, };
static int __init nft_reject_ipv6_module_init(void) { return nft_register_expr(&nft_reject_ipv6_type); }

Contributors

PersonTokensPropCommitsCommitProp
patrick mchardypatrick mchardy16100.00%1100.00%
Total16100.00%1100.00%


static void __exit nft_reject_ipv6_module_exit(void) { nft_unregister_expr(&nft_reject_ipv6_type); }

Contributors

PersonTokensPropCommitsCommitProp
patrick mchardypatrick mchardy15100.00%1100.00%
Total15100.00%1100.00%

module_init(nft_reject_ipv6_module_init); module_exit(nft_reject_ipv6_module_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>"); MODULE_ALIAS_NFT_AF_EXPR(AF_INET6, "reject");

Overall Contributors

PersonTokensPropCommitsCommitProp
patrick mchardypatrick mchardy25594.80%228.57%
eric w. biedermaneric w. biederman62.23%228.57%
liping zhangliping zhang51.86%114.29%
david s. millerdavid s. miller20.74%114.29%
florian westphalflorian westphal10.37%114.29%
Total269100.00%7100.00%
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