#define EBT_ALIGN(s) (((s) + (__alignof__(struct ebt_replace)-1)) & \
~(__alignof__(struct ebt_replace)-1))
-extern int ebt_register_table(struct ebt_table *table);
+extern struct ebt_table *ebt_register_table(struct net *net,
+ struct ebt_table *table);
extern void ebt_unregister_table(struct ebt_table *table);
extern unsigned int ebt_do_table(unsigned int hook, struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
#ifndef _IPT_POLICY_H
#define _IPT_POLICY_H
+#include <linux/netfilter/xt_policy.h>
+
#define IPT_POLICY_MAX_ELEM XT_POLICY_MAX_ELEM
/* ipt_policy_flags */
#ifndef _IP6T_POLICY_H
#define _IP6T_POLICY_H
+#include <linux/netfilter/xt_policy.h>
+
#define IP6T_POLICY_MAX_ELEM XT_POLICY_MAX_ELEM
/* ip6t_policy_flags */
extern void nf_conntrack_hash_insert(struct nf_conn *ct);
-extern void nf_conntrack_flush(struct net *net);
+extern void nf_conntrack_flush(struct net *net, u32 pid, int report);
extern bool nf_ct_get_tuplepr(const struct sk_buff *skb,
unsigned int nhoff, u_int16_t l3num,
local_bh_enable(); \
} while (0)
+#define MODULE_ALIAS_NFCT_HELPER(helper) \
+ MODULE_ALIAS("nfct-helper-" helper)
+
#endif /* __KERNEL__ */
#endif /* _NF_CONNTRACK_H */
unsigned int events;
};
+/* This structure is passed to event handler */
+struct nf_ct_event {
+ struct nf_conn *ct;
+ u32 pid;
+ int report;
+};
+
extern struct atomic_notifier_head nf_conntrack_chain;
extern int nf_conntrack_register_notifier(struct notifier_block *nb);
extern int nf_conntrack_unregister_notifier(struct notifier_block *nb);
local_bh_enable();
}
-static inline void nf_conntrack_event(enum ip_conntrack_events event,
- struct nf_conn *ct)
+static inline void
+nf_conntrack_event_report(enum ip_conntrack_events event,
+ struct nf_conn *ct,
+ u32 pid,
+ int report)
{
+ struct nf_ct_event item = {
+ .ct = ct,
+ .pid = pid,
+ .report = report
+ };
if (nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct))
- atomic_notifier_call_chain(&nf_conntrack_chain, event, ct);
+ atomic_notifier_call_chain(&nf_conntrack_chain, event, &item);
}
+static inline void
+nf_conntrack_event(enum ip_conntrack_events event, struct nf_conn *ct)
+{
+ nf_conntrack_event_report(event, ct, 0, 0);
+}
+
+struct nf_exp_event {
+ struct nf_conntrack_expect *exp;
+ u32 pid;
+ int report;
+};
+
extern struct atomic_notifier_head nf_ct_expect_chain;
extern int nf_ct_expect_register_notifier(struct notifier_block *nb);
extern int nf_ct_expect_unregister_notifier(struct notifier_block *nb);
+static inline void
+nf_ct_expect_event_report(enum ip_conntrack_expect_events event,
+ struct nf_conntrack_expect *exp,
+ u32 pid,
+ int report)
+{
+ struct nf_exp_event item = {
+ .exp = exp,
+ .pid = pid,
+ .report = report
+ };
+ atomic_notifier_call_chain(&nf_ct_expect_chain, event, &item);
+}
+
static inline void
nf_ct_expect_event(enum ip_conntrack_expect_events event,
struct nf_conntrack_expect *exp)
{
- atomic_notifier_call_chain(&nf_ct_expect_chain, event, exp);
+ nf_ct_expect_event_report(event, exp, 0, 0);
}
extern int nf_conntrack_ecache_init(struct net *net);
struct nf_conn *ct) {}
static inline void nf_conntrack_event(enum ip_conntrack_events event,
struct nf_conn *ct) {}
+static inline void nf_conntrack_event_report(enum ip_conntrack_events event,
+ struct nf_conn *ct,
+ u32 pid,
+ int report) {}
static inline void nf_ct_deliver_cached_events(const struct nf_conn *ct) {}
static inline void nf_ct_expect_event(enum ip_conntrack_expect_events event,
struct nf_conntrack_expect *exp) {}
+static inline void nf_ct_expect_event_report(enum ip_conntrack_expect_events e,
+ struct nf_conntrack_expect *exp,
+ u32 pid,
+ int report) {}
static inline void nf_ct_event_cache_flush(struct net *net) {}
static inline int nf_conntrack_ecache_init(struct net *net)
u_int8_t, const __be16 *, const __be16 *);
void nf_ct_expect_put(struct nf_conntrack_expect *exp);
int nf_ct_expect_related(struct nf_conntrack_expect *expect);
+int nf_ct_expect_related_report(struct nf_conntrack_expect *expect,
+ u32 pid, int report);
#endif /*_NF_CONNTRACK_EXPECT_H*/
unsigned int expect_class_max;
};
-extern struct nf_conntrack_helper *
-__nf_ct_helper_find(const struct nf_conntrack_tuple *tuple);
-
extern struct nf_conntrack_helper *
__nf_conntrack_helper_find_byname(const char *name);
extern struct nf_conn_help *nf_ct_helper_ext_add(struct nf_conn *ct, gfp_t gfp);
+extern int __nf_ct_try_assign_helper(struct nf_conn *ct, gfp_t flags);
+
static inline struct nf_conn_help *nfct_help(const struct nf_conn *ct)
{
return nf_ct_ext_find(ct, NF_CT_EXT_HELPER);
&& net_ratelimit())
#endif
#else
-#define LOG_INVALID(net, proto) 0
+static inline int LOG_INVALID(struct net *net, int proto) { return 0; }
#endif /* CONFIG_SYSCTL */
#endif /*_NF_CONNTRACK_PROTOCOL_H*/
--- /dev/null
+#ifndef _KER_NFNETLINK_LOG_H
+#define _KER_NFNETLINK_LOG_H
+
+void
+nfulnl_log_packet(u_int8_t pf,
+ unsigned int hooknum,
+ const struct sk_buff *skb,
+ const struct net_device *in,
+ const struct net_device *out,
+ const struct nf_loginfo *li_user,
+ const char *prefix);
+
+#endif /* _KER_NFNETLINK_LOG_H */
+
#include <linux/list.h>
#include <linux/netfilter.h>
+struct ebt_table;
+
struct netns_xt {
struct list_head tables[NFPROTO_NUMPROTO];
+ struct ebt_table *broute_table;
+ struct ebt_table *frame_filter;
+ struct ebt_table *frame_nat;
};
#endif
if (err != -EHOSTUNREACH || !in_dev || IN_DEV_FORWARD(in_dev))
goto free_skb;
- if (!ip_route_output_key(&init_net, &rt, &fl)) {
+ if (!ip_route_output_key(dev_net(dev), &rt, &fl)) {
/* - Bridged-and-DNAT'ed traffic doesn't
* require ip_forwarding. */
if (((struct dst_entry *)rt)->dev == dev) {
int ret;
ret = ebt_do_table(NF_BR_BROUTING, skb, skb->dev, NULL,
- &broute_table);
+ dev_net(skb->dev)->xt.broute_table);
if (ret == NF_DROP)
return 1; /* route it */
return 0; /* bridge it */
}
+static int __net_init broute_net_init(struct net *net)
+{
+ net->xt.broute_table = ebt_register_table(net, &broute_table);
+ if (IS_ERR(net->xt.broute_table))
+ return PTR_ERR(net->xt.broute_table);
+ return 0;
+}
+
+static void __net_exit broute_net_exit(struct net *net)
+{
+ ebt_unregister_table(net->xt.broute_table);
+}
+
+static struct pernet_operations broute_net_ops = {
+ .init = broute_net_init,
+ .exit = broute_net_exit,
+};
+
static int __init ebtable_broute_init(void)
{
int ret;
- ret = ebt_register_table(&broute_table);
+ ret = register_pernet_subsys(&broute_net_ops);
if (ret < 0)
return ret;
/* see br_input.c */
rcu_assign_pointer(br_should_route_hook, ebt_broute);
- return ret;
+ return 0;
}
static void __exit ebtable_broute_fini(void)
{
rcu_assign_pointer(br_should_route_hook, NULL);
synchronize_net();
- ebt_unregister_table(&broute_table);
+ unregister_pernet_subsys(&broute_net_ops);
}
module_init(ebtable_broute_init);
};
static unsigned int
-ebt_hook(unsigned int hook, struct sk_buff *skb, const struct net_device *in,
+ebt_in_hook(unsigned int hook, struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, int (*okfn)(struct sk_buff *))
{
- return ebt_do_table(hook, skb, in, out, &frame_filter);
+ return ebt_do_table(hook, skb, in, out, dev_net(in)->xt.frame_filter);
+}
+
+static unsigned int
+ebt_out_hook(unsigned int hook, struct sk_buff *skb, const struct net_device *in,
+ const struct net_device *out, int (*okfn)(struct sk_buff *))
+{
+ return ebt_do_table(hook, skb, in, out, dev_net(out)->xt.frame_filter);
}
static struct nf_hook_ops ebt_ops_filter[] __read_mostly = {
{
- .hook = ebt_hook,
+ .hook = ebt_in_hook,
.owner = THIS_MODULE,
.pf = PF_BRIDGE,
.hooknum = NF_BR_LOCAL_IN,
.priority = NF_BR_PRI_FILTER_BRIDGED,
},
{
- .hook = ebt_hook,
+ .hook = ebt_in_hook,
.owner = THIS_MODULE,
.pf = PF_BRIDGE,
.hooknum = NF_BR_FORWARD,
.priority = NF_BR_PRI_FILTER_BRIDGED,
},
{
- .hook = ebt_hook,
+ .hook = ebt_out_hook,
.owner = THIS_MODULE,
.pf = PF_BRIDGE,
.hooknum = NF_BR_LOCAL_OUT,
},
};
+static int __net_init frame_filter_net_init(struct net *net)
+{
+ net->xt.frame_filter = ebt_register_table(net, &frame_filter);
+ if (IS_ERR(net->xt.frame_filter))
+ return PTR_ERR(net->xt.frame_filter);
+ return 0;
+}
+
+static void __net_exit frame_filter_net_exit(struct net *net)
+{
+ ebt_unregister_table(net->xt.frame_filter);
+}
+
+static struct pernet_operations frame_filter_net_ops = {
+ .init = frame_filter_net_init,
+ .exit = frame_filter_net_exit,
+};
+
static int __init ebtable_filter_init(void)
{
int ret;
- ret = ebt_register_table(&frame_filter);
+ ret = register_pernet_subsys(&frame_filter_net_ops);
if (ret < 0)
return ret;
ret = nf_register_hooks(ebt_ops_filter, ARRAY_SIZE(ebt_ops_filter));
if (ret < 0)
- ebt_unregister_table(&frame_filter);
+ unregister_pernet_subsys(&frame_filter_net_ops);
return ret;
}
static void __exit ebtable_filter_fini(void)
{
nf_unregister_hooks(ebt_ops_filter, ARRAY_SIZE(ebt_ops_filter));
- ebt_unregister_table(&frame_filter);
+ unregister_pernet_subsys(&frame_filter_net_ops);
}
module_init(ebtable_filter_init);
};
static unsigned int
-ebt_nat_dst(unsigned int hook, struct sk_buff *skb, const struct net_device *in
+ebt_nat_in(unsigned int hook, struct sk_buff *skb, const struct net_device *in
, const struct net_device *out, int (*okfn)(struct sk_buff *))
{
- return ebt_do_table(hook, skb, in, out, &frame_nat);
+ return ebt_do_table(hook, skb, in, out, dev_net(in)->xt.frame_nat);
}
static unsigned int
-ebt_nat_src(unsigned int hook, struct sk_buff *skb, const struct net_device *in
+ebt_nat_out(unsigned int hook, struct sk_buff *skb, const struct net_device *in
, const struct net_device *out, int (*okfn)(struct sk_buff *))
{
- return ebt_do_table(hook, skb, in, out, &frame_nat);
+ return ebt_do_table(hook, skb, in, out, dev_net(out)->xt.frame_nat);
}
static struct nf_hook_ops ebt_ops_nat[] __read_mostly = {
{
- .hook = ebt_nat_dst,
+ .hook = ebt_nat_out,
.owner = THIS_MODULE,
.pf = PF_BRIDGE,
.hooknum = NF_BR_LOCAL_OUT,
.priority = NF_BR_PRI_NAT_DST_OTHER,
},
{
- .hook = ebt_nat_src,
+ .hook = ebt_nat_out,
.owner = THIS_MODULE,
.pf = PF_BRIDGE,
.hooknum = NF_BR_POST_ROUTING,
.priority = NF_BR_PRI_NAT_SRC,
},
{
- .hook = ebt_nat_dst,
+ .hook = ebt_nat_in,
.owner = THIS_MODULE,
.pf = PF_BRIDGE,
.hooknum = NF_BR_PRE_ROUTING,
},
};
+static int __net_init frame_nat_net_init(struct net *net)
+{
+ net->xt.frame_nat = ebt_register_table(net, &frame_nat);
+ if (IS_ERR(net->xt.frame_nat))
+ return PTR_ERR(net->xt.frame_nat);
+ return 0;
+}
+
+static void __net_exit frame_nat_net_exit(struct net *net)
+{
+ ebt_unregister_table(net->xt.frame_nat);
+}
+
+static struct pernet_operations frame_nat_net_ops = {
+ .init = frame_nat_net_init,
+ .exit = frame_nat_net_exit,
+};
+
static int __init ebtable_nat_init(void)
{
int ret;
- ret = ebt_register_table(&frame_nat);
+ ret = register_pernet_subsys(&frame_nat_net_ops);
if (ret < 0)
return ret;
ret = nf_register_hooks(ebt_ops_nat, ARRAY_SIZE(ebt_ops_nat));
if (ret < 0)
- ebt_unregister_table(&frame_nat);
+ unregister_pernet_subsys(&frame_nat_net_ops);
return ret;
}
static void __exit ebtable_nat_fini(void)
{
nf_unregister_hooks(ebt_ops_nat, ARRAY_SIZE(ebt_ops_nat));
- ebt_unregister_table(&frame_nat);
+ unregister_pernet_subsys(&frame_nat_net_ops);
}
module_init(ebtable_nat_init);
static DEFINE_MUTEX(ebt_mutex);
-static LIST_HEAD(ebt_tables);
static struct xt_target ebt_standard_target = {
.name = "standard",
}
static inline struct ebt_table *
-find_table_lock(const char *name, int *error, struct mutex *mutex)
+find_table_lock(struct net *net, const char *name, int *error,
+ struct mutex *mutex)
{
- return find_inlist_lock(&ebt_tables, name, "ebtable_", error, mutex);
+ return find_inlist_lock(&net->xt.tables[NFPROTO_BRIDGE], name,
+ "ebtable_", error, mutex);
}
static inline int
}
/* replace the table */
-static int do_replace(void __user *user, unsigned int len)
+static int do_replace(struct net *net, void __user *user, unsigned int len)
{
int ret, i, countersize;
struct ebt_table_info *newinfo;
if (ret != 0)
goto free_counterstmp;
- t = find_table_lock(tmp.name, &ret, &ebt_mutex);
+ t = find_table_lock(net, tmp.name, &ret, &ebt_mutex);
if (!t) {
ret = -ENOENT;
goto free_iterate;
return ret;
}
-int ebt_register_table(struct ebt_table *table)
+struct ebt_table *ebt_register_table(struct net *net, struct ebt_table *table)
{
struct ebt_table_info *newinfo;
struct ebt_table *t;
repl->entries_size == 0 ||
repl->counters || table->private) {
BUGPRINT("Bad table data for ebt_register_table!!!\n");
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
+ }
+
+ /* Don't add one table to multiple lists. */
+ table = kmemdup(table, sizeof(struct ebt_table), GFP_KERNEL);
+ if (!table) {
+ ret = -ENOMEM;
+ goto out;
}
countersize = COUNTER_OFFSET(repl->nentries) * nr_cpu_ids;
newinfo = vmalloc(sizeof(*newinfo) + countersize);
ret = -ENOMEM;
if (!newinfo)
- return -ENOMEM;
+ goto free_table;
p = vmalloc(repl->entries_size);
if (!p)
if (table->check && table->check(newinfo, table->valid_hooks)) {
BUGPRINT("The table doesn't like its own initial data, lol\n");
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
}
table->private = newinfo;
if (ret != 0)
goto free_chainstack;
- list_for_each_entry(t, &ebt_tables, list) {
+ list_for_each_entry(t, &net->xt.tables[NFPROTO_BRIDGE], list) {
if (strcmp(t->name, table->name) == 0) {
ret = -EEXIST;
BUGPRINT("Table name already exists\n");
ret = -ENOENT;
goto free_unlock;
}
- list_add(&table->list, &ebt_tables);
+ list_add(&table->list, &net->xt.tables[NFPROTO_BRIDGE]);
mutex_unlock(&ebt_mutex);
- return 0;
+ return table;
free_unlock:
mutex_unlock(&ebt_mutex);
free_chainstack:
vfree(newinfo->entries);
free_newinfo:
vfree(newinfo);
- return ret;
+free_table:
+ kfree(table);
+out:
+ return ERR_PTR(ret);
}
void ebt_unregister_table(struct ebt_table *table)
mutex_lock(&ebt_mutex);
list_del(&table->list);
mutex_unlock(&ebt_mutex);
+ EBT_ENTRY_ITERATE(table->private->entries, table->private->entries_size,
+ ebt_cleanup_entry, NULL);
+ if (table->private->nentries)
+ module_put(table->me);
vfree(table->private->entries);
if (table->private->chainstack) {
for_each_possible_cpu(i)
vfree(table->private->chainstack);
}
vfree(table->private);
+ kfree(table);
}
/* userspace just supplied us with counters */
-static int update_counters(void __user *user, unsigned int len)
+static int update_counters(struct net *net, void __user *user, unsigned int len)
{
int i, ret;
struct ebt_counter *tmp;
return -ENOMEM;
}
- t = find_table_lock(hlp.name, &ret, &ebt_mutex);
+ t = find_table_lock(net, hlp.name, &ret, &ebt_mutex);
if (!t)
goto free_tmp;
switch(cmd) {
case EBT_SO_SET_ENTRIES:
- ret = do_replace(user, len);
+ ret = do_replace(sock_net(sk), user, len);
break;
case EBT_SO_SET_COUNTERS:
- ret = update_counters(user, len);
+ ret = update_counters(sock_net(sk), user, len);
break;
default:
ret = -EINVAL;
if (copy_from_user(&tmp, user, sizeof(tmp)))
return -EFAULT;
- t = find_table_lock(tmp.name, &ret, &ebt_mutex);
+ t = find_table_lock(sock_net(sk), tmp.name, &ret, &ebt_mutex);
if (!t)
return ret;
__be32 daddr;
__be32 saddr;
u_int8_t tos;
+ u_int32_t mark;
};
static void nf_ip_saveroute(const struct sk_buff *skb,
rt_info->tos = iph->tos;
rt_info->daddr = iph->daddr;
rt_info->saddr = iph->saddr;
+ rt_info->mark = skb->mark;
}
}
const struct iphdr *iph = ip_hdr(skb);
if (!(iph->tos == rt_info->tos
+ && skb->mark == rt_info->mark
&& iph->daddr == rt_info->daddr
&& iph->saddr == rt_info->saddr))
return ip_route_me_harder(skb, RTN_UNSPEC);
dev_net(out)->ipv4.arptable_filter);
}
-static unsigned int arpt_forward_hook(unsigned int hook,
- struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- int (*okfn)(struct sk_buff *))
-{
- return arpt_do_table(skb, hook, in, out,
- dev_net(in)->ipv4.arptable_filter);
-}
-
static struct nf_hook_ops arpt_ops[] __read_mostly = {
{
.hook = arpt_in_hook,
.priority = NF_IP_PRI_FILTER,
},
{
- .hook = arpt_forward_hook,
+ .hook = arpt_in_hook,
.owner = THIS_MODULE,
.pf = NFPROTO_ARP,
.hooknum = NF_ARP_FORWARD,
MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
MODULE_DESCRIPTION("Xtables: address type match for IPv4");
-static inline bool match_type(const struct net_device *dev, __be32 addr,
- u_int16_t mask)
+static inline bool match_type(struct net *net, const struct net_device *dev,
+ __be32 addr, u_int16_t mask)
{
- return !!(mask & (1 << inet_dev_addr_type(&init_net, dev, addr)));
+ return !!(mask & (1 << inet_dev_addr_type(net, dev, addr)));
}
static bool
addrtype_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par)
{
+ struct net *net = dev_net(par->in ? par->in : par->out);
const struct ipt_addrtype_info *info = par->matchinfo;
const struct iphdr *iph = ip_hdr(skb);
bool ret = true;
if (info->source)
- ret &= match_type(NULL, iph->saddr, info->source) ^
+ ret &= match_type(net, NULL, iph->saddr, info->source) ^
info->invert_source;
if (info->dest)
- ret &= match_type(NULL, iph->daddr, info->dest) ^
+ ret &= match_type(net, NULL, iph->daddr, info->dest) ^
info->invert_dest;
return ret;
static bool
addrtype_mt_v1(const struct sk_buff *skb, const struct xt_match_param *par)
{
+ struct net *net = dev_net(par->in ? par->in : par->out);
const struct ipt_addrtype_info_v1 *info = par->matchinfo;
const struct iphdr *iph = ip_hdr(skb);
const struct net_device *dev = NULL;
dev = par->out;
if (info->source)
- ret &= match_type(dev, iph->saddr, info->source) ^
+ ret &= match_type(net, dev, iph->saddr, info->source) ^
(info->flags & IPT_ADDRTYPE_INVERT_SOURCE);
if (ret && info->dest)
- ret &= match_type(dev, iph->daddr, info->dest) ^
+ ret &= match_type(net, dev, iph->daddr, info->dest) ^
!!(info->flags & IPT_ADDRTYPE_INVERT_DEST);
return ret;
}
return nf_nat_setup_info(ct, &mr->range[0], IP_NAT_MANIP_SRC);
}
-/* Before 2.6.11 we did implicit source NAT if required. Warn about change. */
-static void warn_if_extra_mangle(struct net *net, __be32 dstip, __be32 srcip)
-{
- static int warned = 0;
- struct flowi fl = { .nl_u = { .ip4_u = { .daddr = dstip } } };
- struct rtable *rt;
-
- if (ip_route_output_key(net, &rt, &fl) != 0)
- return;
-
- if (rt->rt_src != srcip && !warned) {
- printk("NAT: no longer support implicit source local NAT\n");
- printk("NAT: packet src %pI4 -> dst %pI4\n", &srcip, &dstip);
- warned = 1;
- }
- ip_rt_put(rt);
-}
-
static unsigned int
ipt_dnat_target(struct sk_buff *skb, const struct xt_target_param *par)
{
/* Connection must be valid and new. */
NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED));
- if (par->hooknum == NF_INET_LOCAL_OUT &&
- mr->range[0].flags & IP_NAT_RANGE_MAP_IPS)
- warn_if_extra_mangle(dev_net(par->out), ip_hdr(skb)->daddr,
- mr->range[0].min_ip);
-
return nf_nat_setup_info(ct, &mr->range[0], IP_NAT_MANIP_DST);
}
struct ip6_rt_info {
struct in6_addr daddr;
struct in6_addr saddr;
+ u_int32_t mark;
};
static void nf_ip6_saveroute(const struct sk_buff *skb,
rt_info->daddr = iph->daddr;
rt_info->saddr = iph->saddr;
+ rt_info->mark = skb->mark;
}
}
if (entry->hook == NF_INET_LOCAL_OUT) {
struct ipv6hdr *iph = ipv6_hdr(skb);
if (!ipv6_addr_equal(&iph->daddr, &rt_info->daddr) ||
- !ipv6_addr_equal(&iph->saddr, &rt_info->saddr))
+ !ipv6_addr_equal(&iph->saddr, &rt_info->saddr) ||
+ skb->mark != rt_info->mark)
return ip6_route_me_harder(skb);
}
return 0;
/* The work comes in here from netfilter.c. */
static unsigned int
-ip6t_local_in_hook(unsigned int hook,
+ip6t_in_hook(unsigned int hook,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
dev_net(in)->ipv6.ip6table_filter);
}
-static unsigned int
-ip6t_forward_hook(unsigned int hook,
- struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- int (*okfn)(struct sk_buff *))
-{
- return ip6t_do_table(skb, hook, in, out,
- dev_net(in)->ipv6.ip6table_filter);
-}
-
static unsigned int
ip6t_local_out_hook(unsigned int hook,
struct sk_buff *skb,
static struct nf_hook_ops ip6t_ops[] __read_mostly = {
{
- .hook = ip6t_local_in_hook,
+ .hook = ip6t_in_hook,
.owner = THIS_MODULE,
.pf = PF_INET6,
.hooknum = NF_INET_LOCAL_IN,
.priority = NF_IP6_PRI_FILTER,
},
{
- .hook = ip6t_forward_hook,
+ .hook = ip6t_in_hook,
.owner = THIS_MODULE,
.pf = PF_INET6,
.hooknum = NF_INET_FORWARD,
MODULE_DESCRIPTION("Amanda connection tracking module");
MODULE_LICENSE("GPL");
MODULE_ALIAS("ip_conntrack_amanda");
+MODULE_ALIAS_NFCT_HELPER("amanda");
module_param(master_timeout, uint, 0600);
MODULE_PARM_DESC(master_timeout, "timeout for the master connection");
#include <net/netfilter/nf_conntrack_extend.h>
#include <net/netfilter/nf_conntrack_acct.h>
#include <net/netfilter/nf_nat.h>
+#include <net/netfilter/nf_nat_core.h>
#define NF_CONNTRACK_VERSION "0.5.0"
-unsigned int
-(*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct,
- enum nf_nat_manip_type manip,
- struct nlattr *attr) __read_mostly;
+int (*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct,
+ enum nf_nat_manip_type manip,
+ struct nlattr *attr) __read_mostly;
EXPORT_SYMBOL_GPL(nfnetlink_parse_nat_setup_hook);
DEFINE_SPINLOCK(nf_conntrack_lock);
NF_CT_ASSERT(atomic_read(&nfct->use) == 0);
NF_CT_ASSERT(!timer_pending(&ct->timeout));
- nf_conntrack_event(IPCT_DESTROY, ct);
+ if (!test_bit(IPS_DYING_BIT, &ct->status))
+ nf_conntrack_event(IPCT_DESTROY, ct);
set_bit(IPS_DYING_BIT, &ct->status);
/* To make sure we don't get any weird locking issues here:
nf_conntrack_get(&ct->master->ct_general);
NF_CT_STAT_INC(net, expect_new);
} else {
- struct nf_conntrack_helper *helper;
-
- helper = __nf_ct_helper_find(&repl_tuple);
- if (helper) {
- help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
- if (help)
- rcu_assign_pointer(help->helper, helper);
- }
+ __nf_ct_try_assign_helper(ct, GFP_ATOMIC);
NF_CT_STAT_INC(net, new);
}
const struct nf_conntrack_tuple *newreply)
{
struct nf_conn_help *help = nfct_help(ct);
- struct nf_conntrack_helper *helper;
/* Should be unconfirmed, so not in hash table yet */
NF_CT_ASSERT(!nf_ct_is_confirmed(ct));
return;
rcu_read_lock();
- helper = __nf_ct_helper_find(newreply);
- if (helper == NULL) {
- if (help)
- rcu_assign_pointer(help->helper, NULL);
- goto out;
- }
-
- if (help == NULL) {
- help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
- if (help == NULL)
- goto out;
- } else {
- memset(&help->help, 0, sizeof(help->help));
- }
-
- rcu_assign_pointer(help->helper, helper);
-out:
+ __nf_ct_try_assign_helper(ct, GFP_ATOMIC);
rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(nf_conntrack_alter_reply);
}
EXPORT_SYMBOL_GPL(nf_ct_iterate_cleanup);
+struct __nf_ct_flush_report {
+ u32 pid;
+ int report;
+};
+
static int kill_all(struct nf_conn *i, void *data)
{
+ struct __nf_ct_flush_report *fr = (struct __nf_ct_flush_report *)data;
+
+ /* get_next_corpse sets the dying bit for us */
+ nf_conntrack_event_report(IPCT_DESTROY,
+ i,
+ fr->pid,
+ fr->report);
return 1;
}
}
EXPORT_SYMBOL_GPL(nf_ct_free_hashtable);
-void nf_conntrack_flush(struct net *net)
+void nf_conntrack_flush(struct net *net, u32 pid, int report)
{
- nf_ct_iterate_cleanup(net, kill_all, NULL);
+ struct __nf_ct_flush_report fr = {
+ .pid = pid,
+ .report = report,
+ };
+ nf_ct_iterate_cleanup(net, kill_all, &fr);
}
EXPORT_SYMBOL_GPL(nf_conntrack_flush);
nf_ct_event_cache_flush(net);
nf_conntrack_ecache_fini(net);
i_see_dead_people:
- nf_conntrack_flush(net);
+ nf_conntrack_flush(net, 0, 0);
if (atomic_read(&net->ct.count) != 0) {
schedule();
goto i_see_dead_people;
__nf_ct_deliver_cached_events(struct nf_conntrack_ecache *ecache)
{
if (nf_ct_is_confirmed(ecache->ct) && !nf_ct_is_dying(ecache->ct)
- && ecache->events)
- atomic_notifier_call_chain(&nf_conntrack_chain, ecache->events,
- ecache->ct);
+ && ecache->events) {
+ struct nf_ct_event item = {
+ .ct = ecache->ct,
+ .pid = 0,
+ .report = 0
+ };
+
+ atomic_notifier_call_chain(&nf_conntrack_chain,
+ ecache->events,
+ &item);
+ }
ecache->events = 0;
nf_ct_put(ecache->ct);
return 1;
}
-int nf_ct_expect_related(struct nf_conntrack_expect *expect)
+static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
{
const struct nf_conntrack_expect_policy *p;
struct nf_conntrack_expect *i;
struct net *net = nf_ct_exp_net(expect);
struct hlist_node *n;
unsigned int h;
- int ret;
-
- NF_CT_ASSERT(master_help);
+ int ret = 0;
- spin_lock_bh(&nf_conntrack_lock);
if (!master_help->helper) {
ret = -ESHUTDOWN;
goto out;
printk(KERN_WARNING
"nf_conntrack: expectation table full\n");
ret = -EMFILE;
- goto out;
}
+out:
+ return ret;
+}
+
+int nf_ct_expect_related(struct nf_conntrack_expect *expect)
+{
+ int ret;
+
+ spin_lock_bh(&nf_conntrack_lock);
+ ret = __nf_ct_expect_check(expect);
+ if (ret < 0)
+ goto out;
nf_ct_expect_insert(expect);
+ atomic_inc(&expect->use);
+ spin_unlock_bh(&nf_conntrack_lock);
nf_ct_expect_event(IPEXP_NEW, expect);
- ret = 0;
+ nf_ct_expect_put(expect);
+ return ret;
out:
spin_unlock_bh(&nf_conntrack_lock);
return ret;
}
EXPORT_SYMBOL_GPL(nf_ct_expect_related);
+int nf_ct_expect_related_report(struct nf_conntrack_expect *expect,
+ u32 pid, int report)
+{
+ int ret;
+
+ spin_lock_bh(&nf_conntrack_lock);
+ ret = __nf_ct_expect_check(expect);
+ if (ret < 0)
+ goto out;
+ nf_ct_expect_insert(expect);
+out:
+ spin_unlock_bh(&nf_conntrack_lock);
+ if (ret == 0)
+ nf_ct_expect_event_report(IPEXP_NEW, expect, pid, report);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(nf_ct_expect_related_report);
+
#ifdef CONFIG_PROC_FS
struct ct_expect_iter_state {
struct seq_net_private p;
MODULE_AUTHOR("Rusty Russell <rusty@rustcorp.com.au>");
MODULE_DESCRIPTION("ftp connection tracking helper");
MODULE_ALIAS("ip_conntrack_ftp");
+MODULE_ALIAS_NFCT_HELPER("ftp");
/* This is slow, but it's simple. --RR */
static char *ftp_buffer;
int ret;
u32 seq;
int dir = CTINFO2DIR(ctinfo);
- unsigned int matchlen, matchoff;
+ unsigned int uninitialized_var(matchlen), uninitialized_var(matchoff);
struct nf_ct_ftp_master *ct_ftp_info = &nfct_help(ct)->help.ct_ftp_info;
struct nf_conntrack_expect *exp;
union nf_inet_addr *daddr;
connection tracking, not packet filtering.
However, it is necessary for accurate tracking in
this case. */
- if (net_ratelimit())
- printk("conntrack_ftp: partial %s %u+%u\n",
- search[dir][i].pattern,
- ntohl(th->seq), datalen);
+ pr_debug("conntrack_ftp: partial %s %u+%u\n",
+ search[dir][i].pattern, ntohl(th->seq), datalen);
ret = NF_DROP;
goto out;
} else if (found == 0) { /* No match */
MODULE_DESCRIPTION("H.323 connection tracking helper");
MODULE_LICENSE("GPL");
MODULE_ALIAS("ip_conntrack_h323");
+MODULE_ALIAS_NFCT_HELPER("h323");
(__force __u16)tuple->src.u.all) % nf_ct_helper_hsize;
}
-struct nf_conntrack_helper *
+static struct nf_conntrack_helper *
__nf_ct_helper_find(const struct nf_conntrack_tuple *tuple)
{
struct nf_conntrack_helper *helper;
}
return NULL;
}
-EXPORT_SYMBOL_GPL(__nf_ct_helper_find);
struct nf_conntrack_helper *
__nf_conntrack_helper_find_byname(const char *name)
}
EXPORT_SYMBOL_GPL(nf_ct_helper_ext_add);
+int __nf_ct_try_assign_helper(struct nf_conn *ct, gfp_t flags)
+{
+ int ret = 0;
+ struct nf_conntrack_helper *helper;
+ struct nf_conn_help *help = nfct_help(ct);
+
+ helper = __nf_ct_helper_find(&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
+ if (helper == NULL) {
+ if (help)
+ rcu_assign_pointer(help->helper, NULL);
+ goto out;
+ }
+
+ if (help == NULL) {
+ help = nf_ct_helper_ext_add(ct, flags);
+ if (help == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ } else {
+ memset(&help->help, 0, sizeof(help->help));
+ }
+
+ rcu_assign_pointer(help->helper, helper);
+out:
+ return ret;
+}
+EXPORT_SYMBOL_GPL(__nf_ct_try_assign_helper);
+
static inline int unhelp(struct nf_conntrack_tuple_hash *i,
const struct nf_conntrack_helper *me)
{
MODULE_DESCRIPTION("IRC (DCC) connection tracking helper");
MODULE_LICENSE("GPL");
MODULE_ALIAS("ip_conntrack_irc");
+MODULE_ALIAS_NFCT_HELPER("irc");
module_param_array(ports, ushort, &ports_c, 0400);
MODULE_PARM_DESC(ports, "port numbers of IRC servers");
MODULE_DESCRIPTION("NetBIOS name service broadcast connection tracking helper");
MODULE_LICENSE("GPL");
MODULE_ALIAS("ip_conntrack_netbios_ns");
+MODULE_ALIAS_NFCT_HELPER("netbios_ns");
static unsigned int timeout __read_mostly = 3;
module_param(timeout, uint, 0400);
struct nf_conntrack_l3proto *l3proto;
struct nf_conntrack_l4proto *l4proto;
- l3proto = nf_ct_l3proto_find_get(tuple->src.l3num);
+ l3proto = __nf_ct_l3proto_find(tuple->src.l3num);
ret = ctnetlink_dump_tuples_ip(skb, tuple, l3proto);
- nf_ct_l3proto_put(l3proto);
if (unlikely(ret < 0))
return ret;
- l4proto = nf_ct_l4proto_find_get(tuple->src.l3num, tuple->dst.protonum);
+ l4proto = __nf_ct_l4proto_find(tuple->src.l3num, tuple->dst.protonum);
ret = ctnetlink_dump_tuples_proto(skb, tuple, l4proto);
- nf_ct_l4proto_put(l4proto);
return ret;
}
struct nlattr *nest_proto;
int ret;
- l4proto = nf_ct_l4proto_find_get(nf_ct_l3num(ct), nf_ct_protonum(ct));
- if (!l4proto->to_nlattr) {
- nf_ct_l4proto_put(l4proto);
+ l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct));
+ if (!l4proto->to_nlattr)
return 0;
- }
nest_proto = nla_nest_start(skb, CTA_PROTOINFO | NLA_F_NESTED);
if (!nest_proto)
ret = l4proto->to_nlattr(skb, nest_proto, ct);
- nf_ct_l4proto_put(l4proto);
-
nla_nest_end(skb, nest_proto);
return ret;
nla_put_failure:
- nf_ct_l4proto_put(l4proto);
return -1;
}
if (!help)
return 0;
- rcu_read_lock();
helper = rcu_dereference(help->helper);
if (!helper)
goto out;
nla_nest_end(skb, nest_helper);
out:
- rcu_read_unlock();
return 0;
nla_put_failure:
- rcu_read_unlock();
return -1;
}
struct nlmsghdr *nlh;
struct nfgenmsg *nfmsg;
struct nlattr *nest_parms;
- struct nf_conn *ct = (struct nf_conn *)ptr;
+ struct nf_ct_event *item = (struct nf_ct_event *)ptr;
+ struct nf_conn *ct = item->ct;
struct sk_buff *skb;
unsigned int type;
sk_buff_data_t b;
b = skb->tail;
type |= NFNL_SUBSYS_CTNETLINK << 8;
- nlh = NLMSG_PUT(skb, 0, 0, type, sizeof(struct nfgenmsg));
+ nlh = NLMSG_PUT(skb, item->pid, 0, type, sizeof(struct nfgenmsg));
nfmsg = NLMSG_DATA(nlh);
nlh->nlmsg_flags = flags;
nfmsg->version = NFNETLINK_V0;
nfmsg->res_id = 0;
+ rcu_read_lock();
nest_parms = nla_nest_start(skb, CTA_TUPLE_ORIG | NLA_F_NESTED);
if (!nest_parms)
goto nla_put_failure;
&& ctnetlink_dump_mark(skb, ct) < 0)
goto nla_put_failure;
#endif
+ rcu_read_unlock();
nlh->nlmsg_len = skb->tail - b;
- nfnetlink_send(skb, 0, group, 0);
+ nfnetlink_send(skb, item->pid, group, item->report);
return NOTIFY_DONE;
-nlmsg_failure:
nla_put_failure:
+ rcu_read_unlock();
+nlmsg_failure:
kfree_skb(skb);
return NOTIFY_DONE;
}
err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_REPLY, u3);
else {
/* Flush the whole table */
- nf_conntrack_flush(&init_net);
+ nf_conntrack_flush(&init_net,
+ NETLINK_CB(skb).pid,
+ nlmsg_report(nlh));
return 0;
}
}
}
+ nf_conntrack_event_report(IPCT_DESTROY,
+ ct,
+ NETLINK_CB(skb).pid,
+ nlmsg_report(nlh));
+
+ /* death_by_timeout would report the event again */
+ set_bit(IPS_DYING_BIT, &ct->status);
+
nf_ct_kill(ct);
nf_ct_put(ct);
return -ENOMEM;
}
+ rcu_read_lock();
err = ctnetlink_fill_info(skb2, NETLINK_CB(skb).pid, nlh->nlmsg_seq,
IPCTNL_MSG_CT_NEW, 1, ct);
+ rcu_read_unlock();
nf_ct_put(ct);
if (err <= 0)
goto free;
}
helper = __nf_conntrack_helper_find_byname(helpname);
- if (helper == NULL)
+ if (helper == NULL) {
+#ifdef CONFIG_MODULES
+ spin_unlock_bh(&nf_conntrack_lock);
+
+ if (request_module("nfct-helper-%s", helpname) < 0) {
+ spin_lock_bh(&nf_conntrack_lock);
+ return -EOPNOTSUPP;
+ }
+
+ spin_lock_bh(&nf_conntrack_lock);
+ helper = __nf_conntrack_helper_find_byname(helpname);
+ if (helper)
+ return -EAGAIN;
+#endif
return -EOPNOTSUPP;
+ }
if (help) {
if (help->helper == helper)
return 0;
}
+static inline void
+ctnetlink_event_report(struct nf_conn *ct, u32 pid, int report)
+{
+ unsigned int events = 0;
+
+ if (test_bit(IPS_EXPECTED_BIT, &ct->status))
+ events |= IPCT_RELATED;
+ else
+ events |= IPCT_NEW;
+
+ nf_conntrack_event_report(IPCT_STATUS |
+ IPCT_HELPER |
+ IPCT_REFRESH |
+ IPCT_PROTOINFO |
+ IPCT_NATSEQADJ |
+ IPCT_MARK |
+ events,
+ ct,
+ pid,
+ report);
+}
+
static int
ctnetlink_create_conntrack(struct nlattr *cda[],
struct nf_conntrack_tuple *otuple,
struct nf_conntrack_tuple *rtuple,
- struct nf_conn *master_ct)
+ struct nf_conn *master_ct,
+ u32 pid,
+ int report)
{
struct nf_conn *ct;
int err = -EINVAL;
- struct nf_conn_help *help;
struct nf_conntrack_helper *helper;
ct = nf_conntrack_alloc(&init_net, otuple, rtuple, GFP_ATOMIC);
ct->status |= IPS_CONFIRMED;
rcu_read_lock();
- helper = __nf_ct_helper_find(rtuple);
- if (helper) {
- help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
- if (help == NULL) {
+ if (cda[CTA_HELP]) {
+ char *helpname;
+
+ err = ctnetlink_parse_help(cda[CTA_HELP], &helpname);
+ if (err < 0) {
+ rcu_read_unlock();
+ goto err;
+ }
+
+ helper = __nf_conntrack_helper_find_byname(helpname);
+ if (helper == NULL) {
+ rcu_read_unlock();
+#ifdef CONFIG_MODULES
+ if (request_module("nfct-helper-%s", helpname) < 0) {
+ err = -EOPNOTSUPP;
+ goto err;
+ }
+
+ rcu_read_lock();
+ helper = __nf_conntrack_helper_find_byname(helpname);
+ if (helper) {
+ rcu_read_unlock();
+ err = -EAGAIN;
+ goto err;
+ }
+ rcu_read_unlock();
+#endif
+ err = -EOPNOTSUPP;
+ goto err;
+ } else {
+ struct nf_conn_help *help;
+
+ help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
+ if (help == NULL) {
+ rcu_read_unlock();
+ err = -ENOMEM;
+ goto err;
+ }
+
+ /* not in hash table yet so not strictly necessary */
+ rcu_assign_pointer(help->helper, helper);
+ }
+ } else {
+ /* try an implicit helper assignation */
+ err = __nf_ct_try_assign_helper(ct, GFP_ATOMIC);
+ if (err < 0) {
rcu_read_unlock();
- err = -ENOMEM;
goto err;
}
- /* not in hash table yet so not strictly necessary */
- rcu_assign_pointer(help->helper, helper);
}
if (cda[CTA_STATUS]) {
ct->master = master_ct;
}
+ nf_conntrack_get(&ct->ct_general);
add_timer(&ct->timeout);
nf_conntrack_hash_insert(ct);
rcu_read_unlock();
+ ctnetlink_event_report(ct, pid, report);
+ nf_ct_put(ct);
return 0;
goto out_unlock;
}
master_ct = nf_ct_tuplehash_to_ctrack(master_h);
- atomic_inc(&master_ct->ct_general.use);
+ nf_conntrack_get(&master_ct->ct_general);
}
err = -ENOENT;
err = ctnetlink_create_conntrack(cda,
&otuple,
&rtuple,
- master_ct);
+ master_ct,
+ NETLINK_CB(skb).pid,
+ nlmsg_report(nlh));
spin_unlock_bh(&nf_conntrack_lock);
-
if (err < 0 && master_ct)
nf_ct_put(master_ct);
* so there's no need to increase the refcount */
err = -EEXIST;
if (!(nlh->nlmsg_flags & NLM_F_EXCL)) {
+ struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(h);
+
/* we only allow nat config for new conntracks */
if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) {
err = -EOPNOTSUPP;
err = -EOPNOTSUPP;
goto out_unlock;
}
- err = ctnetlink_change_conntrack(nf_ct_tuplehash_to_ctrack(h),
- cda);
+
+ err = ctnetlink_change_conntrack(ct, cda);
+ if (err == 0) {
+ nf_conntrack_get(&ct->ct_general);
+ spin_unlock_bh(&nf_conntrack_lock);
+ ctnetlink_event_report(ct,
+ NETLINK_CB(skb).pid,
+ nlmsg_report(nlh));
+ nf_ct_put(ct);
+ } else
+ spin_unlock_bh(&nf_conntrack_lock);
+
+ return err;
}
out_unlock:
if (!nest_parms)
goto nla_put_failure;
- l3proto = nf_ct_l3proto_find_get(tuple->src.l3num);
+ l3proto = __nf_ct_l3proto_find(tuple->src.l3num);
ret = ctnetlink_dump_tuples_ip(skb, &m, l3proto);
- nf_ct_l3proto_put(l3proto);
if (unlikely(ret < 0))
goto nla_put_failure;
- l4proto = nf_ct_l4proto_find_get(tuple->src.l3num, tuple->dst.protonum);
+ l4proto = __nf_ct_l4proto_find(tuple->src.l3num, tuple->dst.protonum);
ret = ctnetlink_dump_tuples_proto(skb, &m, l4proto);
- nf_ct_l4proto_put(l4proto);
if (unlikely(ret < 0))
goto nla_put_failure;
{
struct nlmsghdr *nlh;
struct nfgenmsg *nfmsg;
- struct nf_conntrack_expect *exp = (struct nf_conntrack_expect *)ptr;
+ struct nf_exp_event *item = (struct nf_exp_event *)ptr;
+ struct nf_conntrack_expect *exp = item->exp;
struct sk_buff *skb;
unsigned int type;
sk_buff_data_t b;
b = skb->tail;
type |= NFNL_SUBSYS_CTNETLINK_EXP << 8;
- nlh = NLMSG_PUT(skb, 0, 0, type, sizeof(struct nfgenmsg));
+ nlh = NLMSG_PUT(skb, item->pid, 0, type, sizeof(struct nfgenmsg));
nfmsg = NLMSG_DATA(nlh);
nlh->nlmsg_flags = flags;
nfmsg->version = NFNETLINK_V0;
nfmsg->res_id = 0;
+ rcu_read_lock();
if (ctnetlink_exp_dump_expect(skb, exp) < 0)
goto nla_put_failure;
+ rcu_read_unlock();
nlh->nlmsg_len = skb->tail - b;
- nfnetlink_send(skb, 0, NFNLGRP_CONNTRACK_EXP_NEW, 0);
+ nfnetlink_send(skb, item->pid, NFNLGRP_CONNTRACK_EXP_NEW, item->report);
return NOTIFY_DONE;
-nlmsg_failure:
nla_put_failure:
+ rcu_read_unlock();
+nlmsg_failure:
kfree_skb(skb);
return NOTIFY_DONE;
}
if (!skb2)
goto out;
+ rcu_read_lock();
err = ctnetlink_exp_fill_info(skb2, NETLINK_CB(skb).pid,
nlh->nlmsg_seq, IPCTNL_MSG_EXP_NEW,
1, exp);
+ rcu_read_unlock();
if (err <= 0)
goto free;
}
static int
-ctnetlink_create_expect(struct nlattr *cda[], u_int8_t u3)
+ctnetlink_create_expect(struct nlattr *cda[], u_int8_t u3, u32 pid, int report)
{
struct nf_conntrack_tuple tuple, mask, master_tuple;
struct nf_conntrack_tuple_hash *h = NULL;
if (!help || !help->helper) {
/* such conntrack hasn't got any helper, abort */
- err = -EINVAL;
+ err = -EOPNOTSUPP;
goto out;
}
memcpy(&exp->mask.src.u3, &mask.src.u3, sizeof(exp->mask.src.u3));
exp->mask.src.u.all = mask.src.u.all;
- err = nf_ct_expect_related(exp);
+ err = nf_ct_expect_related_report(exp, pid, report);
nf_ct_expect_put(exp);
out:
if (!exp) {
spin_unlock_bh(&nf_conntrack_lock);
err = -ENOENT;
- if (nlh->nlmsg_flags & NLM_F_CREATE)
- err = ctnetlink_create_expect(cda, u3);
+ if (nlh->nlmsg_flags & NLM_F_CREATE) {
+ err = ctnetlink_create_expect(cda,
+ u3,
+ NETLINK_CB(skb).pid,
+ nlmsg_report(nlh));
+ }
return err;
}
MODULE_AUTHOR("Harald Welte <laforge@gnumonks.org>");
MODULE_DESCRIPTION("Netfilter connection tracking helper module for PPTP");
MODULE_ALIAS("ip_conntrack_pptp");
+MODULE_ALIAS_NFCT_HELPER("pptp");
static DEFINE_SPINLOCK(nf_pptp_lock);
return rv;
}
-static void nf_ct_proto_gre_fini(void)
+static void __exit nf_ct_proto_gre_fini(void)
{
nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_gre4);
unregister_pernet_gen_subsys(proto_gre_net_id, &proto_gre_net_ops);
goto out;
}
- old_state = new_state = SCTP_CONNTRACK_MAX;
+ old_state = new_state = SCTP_CONNTRACK_NONE;
write_lock_bh(&sctp_lock);
for_each_sctp_chunk (skb, sch, _sch, offset, dataoff, count) {
/* Special cases of Verification tag check (Sec 8.5.1) */
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michal Schmidt <mschmidt@redhat.com>");
MODULE_DESCRIPTION("SANE connection tracking helper");
+MODULE_ALIAS_NFCT_HELPER("sane");
static char *sane_buffer;
MODULE_AUTHOR("Christian Hentschel <chentschel@arnet.com.ar>");
MODULE_DESCRIPTION("SIP connection tracking helper");
MODULE_ALIAS("ip_conntrack_sip");
+MODULE_ALIAS_NFCT_HELPER("sip");
#define MAX_PORTS 8
static unsigned short ports[MAX_PORTS];
MODULE_DESCRIPTION("TFTP connection tracking helper");
MODULE_LICENSE("GPL");
MODULE_ALIAS("ip_conntrack_tftp");
+MODULE_ALIAS_NFCT_HELPER("tftp");
#define MAX_PORTS 8
static unsigned short ports[MAX_PORTS];
#include <linux/random.h>
#include <net/sock.h>
#include <net/netfilter/nf_log.h>
+#include <net/netfilter/nfnetlink_log.h>
#include <asm/atomic.h>
};
/* log handler for internal netfilter logging api */
-static void
+void
nfulnl_log_packet(u_int8_t pf,
unsigned int hooknum,
const struct sk_buff *skb,
/* FIXME: statistics */
goto unlock_and_release;
}
+EXPORT_SYMBOL_GPL(nfulnl_log_packet);
static int
nfulnl_rcv_nl_event(struct notifier_block *this,
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_NFLOG.h>
#include <net/netfilter/nf_log.h>
+#include <net/netfilter/nfnetlink_log.h>
MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
MODULE_DESCRIPTION("Xtables: packet logging to netlink using NFLOG");
li.u.ulog.group = info->group;
li.u.ulog.qthreshold = info->threshold;
- nf_log_packet(par->family, par->hooknum, skb, par->in,
- par->out, &li, "%s", info->prefix);
+ nfulnl_log_packet(par->family, par->hooknum, skb, par->in,
+ par->out, &li, info->prefix);
return XT_CONTINUE;
}
struct recent_table {
struct list_head list;
char name[XT_RECENT_NAME_LEN];
-#ifdef CONFIG_PROC_FS
- struct proc_dir_entry *proc_old, *proc;
-#endif
unsigned int refcnt;
unsigned int entries;
struct list_head lru_list;
{
const struct xt_recent_mtinfo *info = par->matchinfo;
struct recent_table *t;
+#ifdef CONFIG_PROC_FS
+ struct proc_dir_entry *pde;
+#endif
unsigned i;
bool ret = false;
for (i = 0; i < ip_list_hash_size; i++)
INIT_LIST_HEAD(&t->iphash[i]);
#ifdef CONFIG_PROC_FS
- t->proc = proc_create_data(t->name, ip_list_perms, recent_proc_dir,
+ pde = proc_create_data(t->name, ip_list_perms, recent_proc_dir,
&recent_mt_fops, t);
- if (t->proc == NULL) {
+ if (pde == NULL) {
kfree(t);
goto out;
}
+ pde->uid = ip_list_uid;
+ pde->gid = ip_list_gid;
#ifdef CONFIG_NETFILTER_XT_MATCH_RECENT_PROC_COMPAT
- t->proc_old = proc_create_data(t->name, ip_list_perms, proc_old_dir,
+ pde = proc_create_data(t->name, ip_list_perms, proc_old_dir,
&recent_old_fops, t);
- if (t->proc_old == NULL) {
+ if (pde == NULL) {
remove_proc_entry(t->name, proc_old_dir);
kfree(t);
goto out;
}
- t->proc_old->uid = ip_list_uid;
- t->proc_old->gid = ip_list_gid;
+ pde->uid = ip_list_uid;
+ pde->gid = ip_list_gid;
#endif
- t->proc->uid = ip_list_uid;
- t->proc->gid = ip_list_gid;
#endif
spin_lock_bh(&recent_lock);
list_add_tail(&t->list, &tables);
projects / firefly-linux-kernel-4.4.55.git / commitdiff