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netfilter: Pass nf_hook_state through ip6t_do_table().

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-04-03 21:09:51 -04:00
parent 8fe22382d1
commit 8f8a37152d
7 changed files with 17 additions and 22 deletions
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3
include/linux/netfilter_ipv6/ip6_tables.h
View file

@ -31,8 +31,7 @@ extern struct xt_table *ip6t_register_table(struct net *net,
extern void ip6t_unregister_table(struct net *net, struct xt_table *table);
extern unsigned int ip6t_do_table(struct sk_buff *skb,
unsigned int hook,
const struct net_device *in,
const struct net_device *out,
const struct nf_hook_state *state,
struct xt_table *table);
/* Check for an extension */

13
net/ipv6/netfilter/ip6_tables.c
View file

@ -317,8 +317,7 @@ ip6t_next_entry(const struct ip6t_entry *entry)
unsigned int
ip6t_do_table(struct sk_buff *skb,
unsigned int hook,
const struct net_device *in,
const struct net_device *out,
const struct nf_hook_state *state,
struct xt_table *table)
{
static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
@ -333,8 +332,8 @@ ip6t_do_table(struct sk_buff *skb,
unsigned int addend;
/* Initialization */
indev = in ? in->name : nulldevname;
outdev = out ? out->name : nulldevname;
indev = state->in ? state->in->name : nulldevname;
outdev = state->out ? state->out->name : nulldevname;
/* We handle fragments by dealing with the first fragment as
* if it was a normal packet. All other fragments are treated
* normally, except that they will NEVER match rules that ask
@ -342,8 +341,8 @@ ip6t_do_table(struct sk_buff *skb,
* rule is also a fragment-specific rule, non-fragments won't
* match it. */
acpar.hotdrop = false;
acpar.in = in;
acpar.out = out;
acpar.in = state->in;
acpar.out = state->out;
acpar.family = NFPROTO_IPV6;
acpar.hooknum = hook;
@ -393,7 +392,7 @@ ip6t_do_table(struct sk_buff *skb,
#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE)
/* The packet is traced: log it */
if (unlikely(skb->nf_trace))
trace_packet(skb, hook, in, out,
trace_packet(skb, hook, state->in, state->out,
table->name, private, e);
#endif
/* Standard target? */

3
net/ipv6/netfilter/ip6table_filter.c
View file

@ -37,8 +37,7 @@ ip6table_filter_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
{
const struct net *net = dev_net(state->in ? state->in : state->out);
return ip6t_do_table(skb, ops->hooknum, state->in, state->out,
net->ipv6.ip6table_filter);
return ip6t_do_table(skb, ops->hooknum, state, net->ipv6.ip6table_filter);
}
static struct nf_hook_ops *filter_ops __read_mostly;

12
net/ipv6/netfilter/ip6table_mangle.c
View file

@ -32,7 +32,7 @@ static const struct xt_table packet_mangler = {
};
static unsigned int
ip6t_mangle_out(struct sk_buff *skb, const struct net_device *out)
ip6t_mangle_out(struct sk_buff *skb, const struct nf_hook_state *state)
{
unsigned int ret;
struct in6_addr saddr, daddr;
@ -57,8 +57,8 @@ ip6t_mangle_out(struct sk_buff *skb, const struct net_device *out)
/* flowlabel and prio (includes version, which shouldn't change either */
flowlabel = *((u_int32_t *)ipv6_hdr(skb));
ret = ip6t_do_table(skb, NF_INET_LOCAL_OUT, NULL, out,
dev_net(out)->ipv6.ip6table_mangle);
ret = ip6t_do_table(skb, NF_INET_LOCAL_OUT, state,
dev_net(state->out)->ipv6.ip6table_mangle);
if (ret != NF_DROP && ret != NF_STOLEN &&
(!ipv6_addr_equal(&ipv6_hdr(skb)->saddr, &saddr) ||
@ -80,12 +80,12 @@ ip6table_mangle_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
const struct nf_hook_state *state)
{
if (ops->hooknum == NF_INET_LOCAL_OUT)
return ip6t_mangle_out(skb, state->out);
return ip6t_mangle_out(skb, state);
if (ops->hooknum == NF_INET_POST_ROUTING)
return ip6t_do_table(skb, ops->hooknum, state->in, state->out,
return ip6t_do_table(skb, ops->hooknum, state,
dev_net(state->out)->ipv6.ip6table_mangle);
/* INPUT/FORWARD */
return ip6t_do_table(skb, ops->hooknum, state->in, state->out,
return ip6t_do_table(skb, ops->hooknum, state,
dev_net(state->in)->ipv6.ip6table_mangle);
}

3
net/ipv6/netfilter/ip6table_nat.c
View file

@ -37,8 +37,7 @@ static unsigned int ip6table_nat_do_chain(const struct nf_hook_ops *ops,
{
struct net *net = nf_ct_net(ct);
return ip6t_do_table(skb, ops->hooknum, state->in, state->out,
net->ipv6.ip6table_nat);
return ip6t_do_table(skb, ops->hooknum, state, net->ipv6.ip6table_nat);
}
static unsigned int ip6table_nat_fn(const struct nf_hook_ops *ops,

3
net/ipv6/netfilter/ip6table_raw.c
View file

@ -24,8 +24,7 @@ ip6table_raw_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
{
const struct net *net = dev_net(state->in ? state->in : state->out);
return ip6t_do_table(skb, ops->hooknum, state->in, state->out,
net->ipv6.ip6table_raw);
return ip6t_do_table(skb, ops->hooknum, state, net->ipv6.ip6table_raw);
}
static struct nf_hook_ops *rawtable_ops __read_mostly;

2
net/ipv6/netfilter/ip6table_security.c
View file

@ -41,7 +41,7 @@ ip6table_security_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
{
const struct net *net = dev_net(state->in ? state->in : state->out);
return ip6t_do_table(skb, ops->hooknum, state->in, state->out,
return ip6t_do_table(skb, ops->hooknum, state,
net->ipv6.ip6table_security);
}