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-rw-r--r--net/ipv6/addrconf.c4
-rw-r--r--net/ipv6/exthdrs.c16
-rw-r--r--net/ipv6/ip6_output.c13
-rw-r--r--net/ipv6/netfilter/ip6table_filter.c70
-rw-r--r--net/ipv6/netfilter/ip6table_mangle.c96
-rw-r--r--net/ipv6/netfilter/ip6table_raw.c52
-rw-r--r--net/ipv6/udp.c21
-rw-r--r--net/ipv6/udp_impl.h2
-rw-r--r--net/ipv6/udplite.c2
9 files changed, 104 insertions, 172 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d02685c6bc6..c7ea248fae2 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4204,6 +4204,10 @@ int __init addrconf_init(void)
return err;
ip6_null_entry.rt6i_idev = in6_dev_get(&loopback_dev);
+#ifdef CONFIG_IPV6_MULTIPLE_TABLES
+ ip6_prohibit_entry.rt6i_idev = in6_dev_get(&loopback_dev);
+ ip6_blk_hole_entry.rt6i_idev = in6_dev_get(&loopback_dev);
+#endif
register_netdevice_notifier(&ipv6_dev_notf);
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 6d8e4ac7bda..14be0b9b77a 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -660,6 +660,14 @@ EXPORT_SYMBOL_GPL(ipv6_invert_rthdr);
Hop-by-hop options.
**********************************/
+/*
+ * Note: we cannot rely on skb->dst before we assign it in ip6_route_input().
+ */
+static inline struct inet6_dev *ipv6_skb_idev(struct sk_buff *skb)
+{
+ return skb->dst ? ip6_dst_idev(skb->dst) : __in6_dev_get(skb->dev);
+}
+
/* Router Alert as of RFC 2711 */
static int ipv6_hop_ra(struct sk_buff **skbp, int optoff)
@@ -688,25 +696,25 @@ static int ipv6_hop_jumbo(struct sk_buff **skbp, int optoff)
if (nh[optoff + 1] != 4 || (optoff & 3) != 2) {
LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n",
nh[optoff+1]);
- IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
+ IP6_INC_STATS_BH(ipv6_skb_idev(skb),
IPSTATS_MIB_INHDRERRORS);
goto drop;
}
pkt_len = ntohl(*(__be32 *)(nh + optoff + 2));
if (pkt_len <= IPV6_MAXPLEN) {
- IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
+ IP6_INC_STATS_BH(ipv6_skb_idev(skb), IPSTATS_MIB_INHDRERRORS);
icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff+2);
return 0;
}
if (ipv6_hdr(skb)->payload_len) {
- IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
+ IP6_INC_STATS_BH(ipv6_skb_idev(skb), IPSTATS_MIB_INHDRERRORS);
icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff);
return 0;
}
if (pkt_len > skb->len - sizeof(struct ipv6hdr)) {
- IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INTRUNCATEDPKTS);
+ IP6_INC_STATS_BH(ipv6_skb_idev(skb), IPSTATS_MIB_INTRUNCATEDPKTS);
goto drop;
}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index f508171bab7..4704b5fc308 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -463,10 +463,17 @@ int ip6_forward(struct sk_buff *skb)
*/
if (xrlim_allow(dst, 1*HZ))
ndisc_send_redirect(skb, n, target);
- } else if (ipv6_addr_type(&hdr->saddr)&(IPV6_ADDR_MULTICAST|IPV6_ADDR_LOOPBACK
- |IPV6_ADDR_LINKLOCAL)) {
+ } else {
+ int addrtype = ipv6_addr_type(&hdr->saddr);
+
/* This check is security critical. */
- goto error;
+ if (addrtype & (IPV6_ADDR_MULTICAST|IPV6_ADDR_LOOPBACK))
+ goto error;
+ if (addrtype & IPV6_ADDR_LINKLOCAL) {
+ icmpv6_send(skb, ICMPV6_DEST_UNREACH,
+ ICMPV6_NOT_NEIGHBOUR, 0, skb->dev);
+ goto error;
+ }
}
if (skb->len > dst_mtu(dst)) {
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index 76f0cf66f95..7e32e2aaf7f 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -24,53 +24,29 @@ static struct
struct ip6t_replace repl;
struct ip6t_standard entries[3];
struct ip6t_error term;
-} initial_table __initdata
-= { { "filter", FILTER_VALID_HOOKS, 4,
- sizeof(struct ip6t_standard) * 3 + sizeof(struct ip6t_error),
- { [NF_IP6_LOCAL_IN] = 0,
- [NF_IP6_FORWARD] = sizeof(struct ip6t_standard),
- [NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard) * 2 },
- { [NF_IP6_LOCAL_IN] = 0,
- [NF_IP6_FORWARD] = sizeof(struct ip6t_standard),
- [NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard) * 2 },
- 0, NULL, { } },
- {
- /* LOCAL_IN */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
- 0,
- sizeof(struct ip6t_entry),
- sizeof(struct ip6t_standard),
- 0, { 0, 0 }, { } },
- { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
- -NF_ACCEPT - 1 } },
- /* FORWARD */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
- 0,
- sizeof(struct ip6t_entry),
- sizeof(struct ip6t_standard),
- 0, { 0, 0 }, { } },
- { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
- -NF_ACCEPT - 1 } },
- /* LOCAL_OUT */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
- 0,
- sizeof(struct ip6t_entry),
- sizeof(struct ip6t_standard),
- 0, { 0, 0 }, { } },
- { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
- -NF_ACCEPT - 1 } }
- },
- /* ERROR */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
- 0,
- sizeof(struct ip6t_entry),
- sizeof(struct ip6t_error),
- 0, { 0, 0 }, { } },
- { { { { IP6T_ALIGN(sizeof(struct ip6t_error_target)), IP6T_ERROR_TARGET } },
- { } },
- "ERROR"
- }
- }
+} initial_table __initdata = {
+ .repl = {
+ .name = "filter",
+ .valid_hooks = FILTER_VALID_HOOKS,
+ .num_entries = 4,
+ .size = sizeof(struct ip6t_standard) * 3 + sizeof(struct ip6t_error),
+ .hook_entry = {
+ [NF_IP6_LOCAL_IN] = 0,
+ [NF_IP6_FORWARD] = sizeof(struct ip6t_standard),
+ [NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard) * 2
+ },
+ .underflow = {
+ [NF_IP6_LOCAL_IN] = 0,
+ [NF_IP6_FORWARD] = sizeof(struct ip6t_standard),
+ [NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard) * 2
+ },
+ },
+ .entries = {
+ IP6T_STANDARD_INIT(NF_ACCEPT), /* LOCAL_IN */
+ IP6T_STANDARD_INIT(NF_ACCEPT), /* FORWARD */
+ IP6T_STANDARD_INIT(NF_ACCEPT), /* LOCAL_OUT */
+ },
+ .term = IP6T_ERROR_INIT, /* ERROR */
};
static struct xt_table packet_filter = {
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index a9f10e32c16..f2d26495f41 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -32,73 +32,35 @@ static struct
struct ip6t_replace repl;
struct ip6t_standard entries[5];
struct ip6t_error term;
-} initial_table __initdata
-= { { "mangle", MANGLE_VALID_HOOKS, 6,
- sizeof(struct ip6t_standard) * 5 + sizeof(struct ip6t_error),
- { [NF_IP6_PRE_ROUTING] = 0,
- [NF_IP6_LOCAL_IN] = sizeof(struct ip6t_standard),
- [NF_IP6_FORWARD] = sizeof(struct ip6t_standard) * 2,
- [NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard) * 3,
- [NF_IP6_POST_ROUTING] = sizeof(struct ip6t_standard) * 4},
- { [NF_IP6_PRE_ROUTING] = 0,
- [NF_IP6_LOCAL_IN] = sizeof(struct ip6t_standard),
- [NF_IP6_FORWARD] = sizeof(struct ip6t_standard) * 2,
- [NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard) * 3,
- [NF_IP6_POST_ROUTING] = sizeof(struct ip6t_standard) * 4},
- 0, NULL, { } },
- {
- /* PRE_ROUTING */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
- 0,
- sizeof(struct ip6t_entry),
- sizeof(struct ip6t_standard),
- 0, { 0, 0 }, { } },
- { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
- -NF_ACCEPT - 1 } },
- /* LOCAL_IN */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
- 0,
- sizeof(struct ip6t_entry),
- sizeof(struct ip6t_standard),
- 0, { 0, 0 }, { } },
- { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
- -NF_ACCEPT - 1 } },
- /* FORWARD */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
- 0,
- sizeof(struct ip6t_entry),
- sizeof(struct ip6t_standard),
- 0, { 0, 0 }, { } },
- { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
- -NF_ACCEPT - 1 } },
- /* LOCAL_OUT */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
- 0,
- sizeof(struct ip6t_entry),
- sizeof(struct ip6t_standard),
- 0, { 0, 0 }, { } },
- { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
- -NF_ACCEPT - 1 } },
- /* POST_ROUTING */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
- 0,
- sizeof(struct ip6t_entry),
- sizeof(struct ip6t_standard),
- 0, { 0, 0 }, { } },
- { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
- -NF_ACCEPT - 1 } }
- },
- /* ERROR */
- { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
- 0,
- sizeof(struct ip6t_entry),
- sizeof(struct ip6t_error),
- 0, { 0, 0 }, { } },
- { { { { IP6T_ALIGN(sizeof(struct ip6t_error_target)), IP6T_ERROR_TARGET } },
- { } },
- "ERROR"
- }
- }
+} initial_table __initdata = {
+ .repl = {
+ .name = "mangle",
+ .valid_hooks = MANGLE_VALID_HOOKS,
+ .num_entries = 6,
+ .size = sizeof(struct ip6t_standard) * 5 + sizeof(struct ip6t_error),
+ .hook_entry = {
+ [NF_IP6_PRE_ROUTING] = 0,
+ [NF_IP6_LOCAL_IN] = sizeof(struct ip6t_standard),
+ [NF_IP6_FORWARD] = sizeof(struct ip6t_standard) * 2,
+ [NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard) * 3,
+ [NF_IP6_POST_ROUTING] = sizeof(struct ip6t_standard) * 4,
+ },
+ .underflow = {
+ [NF_IP6_PRE_ROUTING] = 0,
+ [NF_IP6_LOCAL_IN] = sizeof(struct ip6t_standard),
+ [NF_IP6_FORWARD] = sizeof(struct ip6t_standard) * 2,
+ [NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard) * 3,
+ [NF_IP6_POST_ROUTING] = sizeof(struct ip6t_standard) * 4,
+ },
+ },
+ .entries = {
+ IP6T_STANDARD_INIT(NF_ACCEPT), /* PRE_ROUTING */
+ IP6T_STANDARD_INIT(NF_ACCEPT), /* LOCAL_IN */
+ IP6T_STANDARD_INIT(NF_ACCEPT), /* FORWARD */
+ IP6T_STANDARD_INIT(NF_ACCEPT), /* LOCAL_OUT */
+ IP6T_STANDARD_INIT(NF_ACCEPT), /* POST_ROUTING */
+ },
+ .term = IP6T_ERROR_INIT, /* ERROR */
};
static struct xt_table packet_mangler = {
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index a3eb5b8ce18..0acda45d455 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -35,56 +35,10 @@ static struct
},
},
.entries = {
- /* PRE_ROUTING */
- {
- .entry = {
- .target_offset = sizeof(struct ip6t_entry),
- .next_offset = sizeof(struct ip6t_standard),
- },
- .target = {
- .target = {
- .u = {
- .target_size = IP6T_ALIGN(sizeof(struct ip6t_standard_target)),
- },
- },
- .verdict = -NF_ACCEPT - 1,
- },
- },
-
- /* LOCAL_OUT */
- {
- .entry = {
- .target_offset = sizeof(struct ip6t_entry),
- .next_offset = sizeof(struct ip6t_standard),
- },
- .target = {
- .target = {
- .u = {
- .target_size = IP6T_ALIGN(sizeof(struct ip6t_standard_target)),
- },
- },
- .verdict = -NF_ACCEPT - 1,
- },
- },
+ IP6T_STANDARD_INIT(NF_ACCEPT), /* PRE_ROUTING */
+ IP6T_STANDARD_INIT(NF_ACCEPT), /* LOCAL_OUT */
},
- /* ERROR */
- .term = {
- .entry = {
- .target_offset = sizeof(struct ip6t_entry),
- .next_offset = sizeof(struct ip6t_error),
- },
- .target = {
- .target = {
- .u = {
- .user = {
- .target_size = IP6T_ALIGN(sizeof(struct ip6t_error_target)),
- .name = IP6T_ERROR_TARGET,
- },
- },
- },
- .errorname = "ERROR",
- },
- }
+ .term = IP6T_ERROR_INIT, /* ERROR */
};
static struct xt_table packet_raw = {
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index b083c09e3d2..a7ae59c954d 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -52,9 +52,28 @@
DEFINE_SNMP_STAT(struct udp_mib, udp_stats_in6) __read_mostly;
+static int ipv6_rcv_saddr_any(const struct sock *sk)
+{
+ struct ipv6_pinfo *np = inet6_sk(sk);
+
+ return ipv6_addr_any(&np->rcv_saddr);
+}
+
+static unsigned int ipv6_hash_port_and_rcv_saddr(__u16 port,
+ const struct sock *sk)
+{
+ return port;
+}
+
+const struct udp_get_port_ops udp_ipv6_ops = {
+ .saddr_cmp = ipv6_rcv_saddr_equal,
+ .saddr_any = ipv6_rcv_saddr_any,
+ .hash_port_and_rcv_saddr = ipv6_hash_port_and_rcv_saddr,
+};
+
static inline int udp_v6_get_port(struct sock *sk, unsigned short snum)
{
- return udp_get_port(sk, snum, ipv6_rcv_saddr_equal);
+ return udp_get_port(sk, snum, &udp_ipv6_ops);
}
static struct sock *__udp6_lib_lookup(struct in6_addr *saddr, __be16 sport,
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index 6e252f318f7..36b0c11a28a 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -6,6 +6,8 @@
#include <net/addrconf.h>
#include <net/inet_common.h>
+extern const struct udp_get_port_ops udp_ipv6_ops;
+
extern int __udp6_lib_rcv(struct sk_buff **, struct hlist_head [], int );
extern void __udp6_lib_err(struct sk_buff *, struct inet6_skb_parm *,
int , int , int , __be32 , struct hlist_head []);
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index f54016a5500..c40a51362f8 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -37,7 +37,7 @@ static struct inet6_protocol udplitev6_protocol = {
static int udplite_v6_get_port(struct sock *sk, unsigned short snum)
{
- return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal);
+ return udplite_get_port(sk, snum, &udp_ipv6_ops);
}
struct proto udplitev6_prot = {
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-20 11:20:58 +0000