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authorDavid S. Miller <davem@davemloft.net>2014-02-09 14:20:00 -0800
committerDavid S. Miller <davem@davemloft.net>2014-02-09 14:20:00 -0800
commitf41f03196041f91acad2b6d2b3e1f800aed60100 (patch)
tree2981088eb28919bf32e8040b0ad73beead0ec815 /net/ipv6/netfilter/nft_reject_ipv6.c
parent4a5ab4e224288403b0b4b6b8c4d339323150c312 (diff)
parent6d8c00d58e9e484fdc41aaaf62e5d8364efe375a (diff)
downloadlinux-stericsson-f41f03196041f91acad2b6d2b3e1f800aed60100.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says: ==================== Netfilter/nftables/IPVS fixes for net The following patchset contains Netfilter/IPVS fixes, mostly nftables fixes, most relevantly they are: * Fix a crash in the h323 conntrack NAT helper due to expectation list corruption, from Alexey Dobriyan. * A couple of RCU race fixes for conntrack, one manifests by hitting BUG_ON in nf_nat_setup_info() and the destroy path, patches from Andrey Vagin and me. * Dump direction attribute in nft_ct only if it is set, from Arturo Borrero. * Fix IPVS bug in its own connection tracking system that may lead to copying only 4 bytes of the IPv6 address when initializing the ip_vs_conn object, from Michal Kubecek. * Fix -EBUSY errors in nftables when deleting the rules, chain and tables in a row due mixture of asynchronous and synchronous object releasing, from me. * Three fixes for the nf_tables set infrastructure when using intervals and mappings, from me. * Four patches to fixing the nf_tables log, reject and ct expressions from the new inet table, from Patrick McHardy. * Fix memory overrun in the map that is used to dynamically allocate names from anonymous sets, also from Patrick. * Fix a potential oops if you dump a set with NFPROTO_UNSPEC and a table name, from Patrick McHardy. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/netfilter/nft_reject_ipv6.c')
-rw-r--r--net/ipv6/netfilter/nft_reject_ipv6.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/net/ipv6/netfilter/nft_reject_ipv6.c b/net/ipv6/netfilter/nft_reject_ipv6.c
new file mode 100644
index 000000000000..0bc19fa87821
--- /dev/null
+++ b/net/ipv6/netfilter/nft_reject_ipv6.c
@@ -0,0 +1,76 @@
+/*
+ * 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>
+
+void nft_reject_ipv6_eval(const struct nft_expr *expr,
+ struct nft_data data[NFT_REG_MAX + 1],
+ const struct nft_pktinfo *pkt)
+{
+ struct nft_reject *priv = nft_expr_priv(expr);
+ struct net *net = dev_net((pkt->in != NULL) ? pkt->in : pkt->out);
+
+ switch (priv->type) {
+ case NFT_REJECT_ICMP_UNREACH:
+ nf_send_unreach6(net, pkt->skb, priv->icmp_code,
+ pkt->ops->hooknum);
+ break;
+ case NFT_REJECT_TCP_RST:
+ nf_send_reset6(net, pkt->skb, pkt->ops->hooknum);
+ break;
+ }
+
+ data[NFT_REG_VERDICT].verdict = NF_DROP;
+}
+EXPORT_SYMBOL_GPL(nft_reject_ipv6_eval);
+
+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,
+};
+
+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);
+}
+
+static void __exit nft_reject_ipv6_module_exit(void)
+{
+ nft_unregister_expr(&nft_reject_ipv6_type);
+}
+
+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");