forked from Minki/linux
Merge branch 'master' of git://1984.lsi.us.es/nf-next
Conflicts: net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c Minor conflict due to some IS_ENABLED conversions done in net-next. Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
commit
545b29019c
@ -240,6 +240,7 @@ struct in6_flowlabel_req {
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*
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* IP6T_SO_GET_REVISION_MATCH 68
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* IP6T_SO_GET_REVISION_TARGET 69
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* IP6T_SO_ORIGINAL_DST 80
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*/
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/* RFC5014: Source address selection */
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@ -178,6 +178,9 @@ struct ip6t_error {
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#define IP6T_SO_GET_REVISION_TARGET (IP6T_BASE_CTL + 5)
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#define IP6T_SO_GET_MAX IP6T_SO_GET_REVISION_TARGET
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/* obtain original address if REDIRECT'd connection */
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#define IP6T_SO_ORIGINAL_DST 80
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/* ICMP matching stuff */
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struct ip6t_icmp {
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__u8 type; /* type to match */
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@ -276,9 +276,7 @@ static int __net_init iptable_nat_net_init(struct net *net)
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return -ENOMEM;
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net->ipv4.nat_table = ipt_register_table(net, &nf_nat_ipv4_table, repl);
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kfree(repl);
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if (IS_ERR(net->ipv4.nat_table))
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return PTR_ERR(net->ipv4.nat_table);
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return 0;
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return PTR_RET(net->ipv4.nat_table);
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}
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static void __net_exit iptable_nat_net_exit(struct net *net)
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@ -277,9 +277,7 @@ static int __net_init ip6table_nat_net_init(struct net *net)
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return -ENOMEM;
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net->ipv6.ip6table_nat = ip6t_register_table(net, &nf_nat_ipv6_table, repl);
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kfree(repl);
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if (IS_ERR(net->ipv6.ip6table_nat))
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return PTR_ERR(net->ipv6.ip6table_nat);
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return 0;
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return PTR_RET(net->ipv6.ip6table_nat);
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}
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static void __net_exit ip6table_nat_net_exit(struct net *net)
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@ -21,6 +21,7 @@
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#include <linux/netfilter_bridge.h>
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#include <linux/netfilter_ipv6.h>
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#include <linux/netfilter_ipv6/ip6_tables.h>
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#include <net/netfilter/nf_conntrack.h>
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#include <net/netfilter/nf_conntrack_helper.h>
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#include <net/netfilter/nf_conntrack_l4proto.h>
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@ -295,6 +296,55 @@ static struct nf_hook_ops ipv6_conntrack_ops[] __read_mostly = {
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},
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};
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static int
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ipv6_getorigdst(struct sock *sk, int optval, void __user *user, int *len)
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{
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const struct inet_sock *inet = inet_sk(sk);
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const struct ipv6_pinfo *inet6 = inet6_sk(sk);
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const struct nf_conntrack_tuple_hash *h;
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struct sockaddr_in6 sin6;
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struct nf_conntrack_tuple tuple = { .src.l3num = NFPROTO_IPV6 };
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struct nf_conn *ct;
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tuple.src.u3.in6 = inet6->rcv_saddr;
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tuple.src.u.tcp.port = inet->inet_sport;
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tuple.dst.u3.in6 = inet6->daddr;
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tuple.dst.u.tcp.port = inet->inet_dport;
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tuple.dst.protonum = sk->sk_protocol;
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if (sk->sk_protocol != IPPROTO_TCP && sk->sk_protocol != IPPROTO_SCTP)
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return -ENOPROTOOPT;
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if (*len < 0 || (unsigned int) *len < sizeof(sin6))
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return -EINVAL;
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h = nf_conntrack_find_get(sock_net(sk), NF_CT_DEFAULT_ZONE, &tuple);
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if (!h) {
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pr_debug("IP6T_SO_ORIGINAL_DST: Can't find %pI6c/%u-%pI6c/%u.\n",
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&tuple.src.u3.ip6, ntohs(tuple.src.u.tcp.port),
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&tuple.dst.u3.ip6, ntohs(tuple.dst.u.tcp.port));
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return -ENOENT;
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}
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ct = nf_ct_tuplehash_to_ctrack(h);
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sin6.sin6_family = AF_INET6;
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sin6.sin6_port = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.u.tcp.port;
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sin6.sin6_flowinfo = inet6->flow_label & IPV6_FLOWINFO_MASK;
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memcpy(&sin6.sin6_addr,
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&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.u3.in6,
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sizeof(sin6.sin6_addr));
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nf_ct_put(ct);
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if (ipv6_addr_type(&sin6.sin6_addr) & IPV6_ADDR_LINKLOCAL)
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sin6.sin6_scope_id = sk->sk_bound_dev_if;
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else
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sin6.sin6_scope_id = 0;
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return copy_to_user(user, &sin6, sizeof(sin6)) ? -EFAULT : 0;
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}
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#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
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#include <linux/netfilter/nfnetlink.h>
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@ -359,6 +409,14 @@ MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET6));
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Yasuyuki KOZAKAI @USAGI <yasuyuki.kozakai@toshiba.co.jp>");
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static struct nf_sockopt_ops so_getorigdst6 = {
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.pf = NFPROTO_IPV6,
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.get_optmin = IP6T_SO_ORIGINAL_DST,
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.get_optmax = IP6T_SO_ORIGINAL_DST + 1,
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.get = ipv6_getorigdst,
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.owner = THIS_MODULE,
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};
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static int ipv6_net_init(struct net *net)
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{
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int ret = 0;
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@ -425,6 +483,12 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
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need_conntrack();
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nf_defrag_ipv6_enable();
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ret = nf_register_sockopt(&so_getorigdst6);
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if (ret < 0) {
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pr_err("Unable to register netfilter socket option\n");
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return ret;
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}
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ret = register_pernet_subsys(&ipv6_net_ops);
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if (ret < 0)
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goto cleanup_pernet;
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@ -440,6 +504,7 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
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cleanup_ipv6:
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unregister_pernet_subsys(&ipv6_net_ops);
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cleanup_pernet:
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nf_unregister_sockopt(&so_getorigdst6);
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return ret;
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}
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@ -448,6 +513,7 @@ static void __exit nf_conntrack_l3proto_ipv6_fini(void)
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synchronize_net();
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nf_unregister_hooks(ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
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unregister_pernet_subsys(&ipv6_net_ops);
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nf_unregister_sockopt(&so_getorigdst6);
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}
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module_init(nf_conntrack_l3proto_ipv6_init);
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@ -82,7 +82,7 @@ void
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ip_vs_update_conntrack(struct sk_buff *skb, struct ip_vs_conn *cp, int outin)
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{
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enum ip_conntrack_info ctinfo;
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struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);
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struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
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struct nf_conntrack_tuple new_tuple;
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if (ct == NULL || nf_ct_is_confirmed(ct) || nf_ct_is_untracked(ct) ||
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@ -594,7 +594,7 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
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#if IS_ENABLED(CONFIG_NF_CONNTRACK)
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if (cp->flags & IP_VS_CONN_F_SYNC && local) {
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enum ip_conntrack_info ctinfo;
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struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);
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struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
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if (ct && !nf_ct_is_untracked(ct)) {
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IP_VS_DBG_RL_PKT(10, AF_INET, pp, skb, 0,
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@ -710,7 +710,7 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
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#if IS_ENABLED(CONFIG_NF_CONNTRACK)
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if (cp->flags & IP_VS_CONN_F_SYNC && local) {
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enum ip_conntrack_info ctinfo;
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struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);
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struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
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if (ct && !nf_ct_is_untracked(ct)) {
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IP_VS_DBG_RL_PKT(10, AF_INET6, pp, skb, 0,
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@ -1235,7 +1235,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
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#if IS_ENABLED(CONFIG_NF_CONNTRACK)
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if (cp->flags & IP_VS_CONN_F_SYNC && local) {
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enum ip_conntrack_info ctinfo;
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struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);
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struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
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if (ct && !nf_ct_is_untracked(ct)) {
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IP_VS_DBG(10, "%s(): "
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@ -1356,7 +1356,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
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#if IS_ENABLED(CONFIG_NF_CONNTRACK)
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if (cp->flags & IP_VS_CONN_F_SYNC && local) {
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enum ip_conntrack_info ctinfo;
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struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);
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struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
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if (ct && !nf_ct_is_untracked(ct)) {
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IP_VS_DBG(10, "%s(): "
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