#include <linux/netfilter.h>
#include <net/netlink.h>
+#include <net/sock.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_core.h>
#include <net/netfilter/nf_conntrack_expect.h>
static int
ctnetlink_conntrack_event(unsigned int events, struct nf_ct_event *item)
{
+ struct net *net;
struct nlmsghdr *nlh;
struct nfgenmsg *nfmsg;
struct nlattr *nest_parms;
} else
return 0;
- if (!item->report && !nfnetlink_has_listeners(group))
+ net = nf_ct_net(ct);
+ if (!item->report && !nfnetlink_has_listeners(net, group))
return 0;
skb = nlmsg_new(ctnetlink_nlmsg_size(ct), GFP_ATOMIC);
rcu_read_unlock();
nlmsg_end(skb, nlh);
- err = nfnetlink_send(skb, item->pid, group, item->report, GFP_ATOMIC);
+ err = nfnetlink_send(skb, net, item->pid, group, item->report,
+ GFP_ATOMIC);
if (err == -ENOBUFS || err == -EAGAIN)
return -ENOBUFS;
nlmsg_failure:
kfree_skb(skb);
errout:
- nfnetlink_set_err(0, group, -ENOBUFS);
+ nfnetlink_set_err(net, 0, group, -ENOBUFS);
return 0;
}
#endif /* CONFIG_NF_CONNTRACK_EVENTS */
static int
ctnetlink_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = sock_net(skb->sk);
struct nf_conn *ct, *last;
struct nf_conntrack_tuple_hash *h;
struct hlist_nulls_node *n;
rcu_read_lock();
last = (struct nf_conn *)cb->args[1];
- for (; cb->args[0] < nf_conntrack_htable_size; cb->args[0]++) {
+ for (; cb->args[0] < net->ct.htable_size; cb->args[0]++) {
restart:
- hlist_nulls_for_each_entry_rcu(h, n, &init_net.ct.hash[cb->args[0]],
+ hlist_nulls_for_each_entry_rcu(h, n, &net->ct.hash[cb->args[0]],
hnnode) {
if (NF_CT_DIRECTION(h) != IP_CT_DIR_ORIGINAL)
continue;
return ret;
}
+static const struct nla_policy tuple_nla_policy[CTA_TUPLE_MAX+1] = {
+ [CTA_TUPLE_IP] = { .type = NLA_NESTED },
+ [CTA_TUPLE_PROTO] = { .type = NLA_NESTED },
+};
+
static int
ctnetlink_parse_tuple(const struct nlattr * const cda[],
struct nf_conntrack_tuple *tuple,
memset(tuple, 0, sizeof(*tuple));
- nla_parse_nested(tb, CTA_TUPLE_MAX, cda[type], NULL);
+ nla_parse_nested(tb, CTA_TUPLE_MAX, cda[type], tuple_nla_policy);
if (!tb[CTA_TUPLE_IP])
return -EINVAL;
return 0;
}
+static const struct nla_policy help_nla_policy[CTA_HELP_MAX+1] = {
+ [CTA_HELP_NAME] = { .type = NLA_NUL_STRING },
+};
+
static inline int
ctnetlink_parse_help(const struct nlattr *attr, char **helper_name)
{
struct nlattr *tb[CTA_HELP_MAX+1];
- nla_parse_nested(tb, CTA_HELP_MAX, attr, NULL);
+ nla_parse_nested(tb, CTA_HELP_MAX, attr, help_nla_policy);
if (!tb[CTA_HELP_NAME])
return -EINVAL;
}
static const struct nla_policy ct_nla_policy[CTA_MAX+1] = {
+ [CTA_TUPLE_ORIG] = { .type = NLA_NESTED },
+ [CTA_TUPLE_REPLY] = { .type = NLA_NESTED },
[CTA_STATUS] = { .type = NLA_U32 },
+ [CTA_PROTOINFO] = { .type = NLA_NESTED },
+ [CTA_HELP] = { .type = NLA_NESTED },
+ [CTA_NAT_SRC] = { .type = NLA_NESTED },
[CTA_TIMEOUT] = { .type = NLA_U32 },
[CTA_MARK] = { .type = NLA_U32 },
- [CTA_USE] = { .type = NLA_U32 },
[CTA_ID] = { .type = NLA_U32 },
+ [CTA_NAT_DST] = { .type = NLA_NESTED },
+ [CTA_TUPLE_MASTER] = { .type = NLA_NESTED },
};
static int
const struct nlmsghdr *nlh,
const struct nlattr * const cda[])
{
+ struct net *net = sock_net(ctnl);
struct nf_conntrack_tuple_hash *h;
struct nf_conntrack_tuple tuple;
struct nf_conn *ct;
err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_REPLY, u3);
else {
/* Flush the whole table */
- nf_conntrack_flush_report(&init_net,
+ nf_conntrack_flush_report(net,
NETLINK_CB(skb).pid,
nlmsg_report(nlh));
return 0;
if (err < 0)
return err;
- h = nf_conntrack_find_get(&init_net, &tuple);
+ h = nf_conntrack_find_get(net, &tuple);
if (!h)
return -ENOENT;
const struct nlmsghdr *nlh,
const struct nlattr * const cda[])
{
+ struct net *net = sock_net(ctnl);
struct nf_conntrack_tuple_hash *h;
struct nf_conntrack_tuple tuple;
struct nf_conn *ct;
if (err < 0)
return err;
- h = nf_conntrack_find_get(&init_net, &tuple);
+ h = nf_conntrack_find_get(net, &tuple);
if (!h)
return -ENOENT;
return 0;
}
- helper = __nf_conntrack_helper_find_byname(helpname);
+ helper = __nf_conntrack_helper_find(helpname, nf_ct_l3num(ct),
+ nf_ct_protonum(ct));
if (helper == NULL) {
#ifdef CONFIG_MODULES
spin_unlock_bh(&nf_conntrack_lock);
}
spin_lock_bh(&nf_conntrack_lock);
- helper = __nf_conntrack_helper_find_byname(helpname);
+ helper = __nf_conntrack_helper_find(helpname, nf_ct_l3num(ct),
+ nf_ct_protonum(ct));
if (helper)
return -EAGAIN;
#endif
return 0;
}
+static const struct nla_policy protoinfo_policy[CTA_PROTOINFO_MAX+1] = {
+ [CTA_PROTOINFO_TCP] = { .type = NLA_NESTED },
+ [CTA_PROTOINFO_DCCP] = { .type = NLA_NESTED },
+ [CTA_PROTOINFO_SCTP] = { .type = NLA_NESTED },
+};
+
static inline int
ctnetlink_change_protoinfo(struct nf_conn *ct, const struct nlattr * const cda[])
{
struct nf_conntrack_l4proto *l4proto;
int err = 0;
- nla_parse_nested(tb, CTA_PROTOINFO_MAX, attr, NULL);
+ nla_parse_nested(tb, CTA_PROTOINFO_MAX, attr, protoinfo_policy);
rcu_read_lock();
l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct));
}
#ifdef CONFIG_NF_NAT_NEEDED
+static const struct nla_policy nat_seq_policy[CTA_NAT_SEQ_MAX+1] = {
+ [CTA_NAT_SEQ_CORRECTION_POS] = { .type = NLA_U32 },
+ [CTA_NAT_SEQ_OFFSET_BEFORE] = { .type = NLA_U32 },
+ [CTA_NAT_SEQ_OFFSET_AFTER] = { .type = NLA_U32 },
+};
+
static inline int
change_nat_seq_adj(struct nf_nat_seq *natseq, const struct nlattr * const attr)
{
struct nlattr *cda[CTA_NAT_SEQ_MAX+1];
- nla_parse_nested(cda, CTA_NAT_SEQ_MAX, attr, NULL);
+ nla_parse_nested(cda, CTA_NAT_SEQ_MAX, attr, nat_seq_policy);
if (!cda[CTA_NAT_SEQ_CORRECTION_POS])
return -EINVAL;
}
static struct nf_conn *
-ctnetlink_create_conntrack(const struct nlattr * const cda[],
+ctnetlink_create_conntrack(struct net *net,
+ const struct nlattr * const cda[],
struct nf_conntrack_tuple *otuple,
struct nf_conntrack_tuple *rtuple,
u8 u3)
int err = -EINVAL;
struct nf_conntrack_helper *helper;
- ct = nf_conntrack_alloc(&init_net, otuple, rtuple, GFP_ATOMIC);
+ ct = nf_conntrack_alloc(net, otuple, rtuple, GFP_ATOMIC);
if (IS_ERR(ct))
return ERR_PTR(-ENOMEM);
if (err < 0)
goto err2;
- helper = __nf_conntrack_helper_find_byname(helpname);
+ helper = __nf_conntrack_helper_find(helpname, nf_ct_l3num(ct),
+ nf_ct_protonum(ct));
if (helper == NULL) {
rcu_read_unlock();
#ifdef CONFIG_MODULES
}
rcu_read_lock();
- helper = __nf_conntrack_helper_find_byname(helpname);
+ helper = __nf_conntrack_helper_find(helpname,
+ nf_ct_l3num(ct),
+ nf_ct_protonum(ct));
if (helper) {
err = -EAGAIN;
goto err2;
}
} else {
/* try an implicit helper assignation */
- err = __nf_ct_try_assign_helper(ct, GFP_ATOMIC);
+ err = __nf_ct_try_assign_helper(ct, NULL, GFP_ATOMIC);
if (err < 0)
goto err2;
}
}
nf_ct_acct_ext_add(ct, GFP_ATOMIC);
- nf_ct_ecache_ext_add(ct, GFP_ATOMIC);
+ nf_ct_ecache_ext_add(ct, 0, 0, GFP_ATOMIC);
#if defined(CONFIG_NF_CONNTRACK_MARK)
if (cda[CTA_MARK])
if (err < 0)
goto err2;
- master_h = nf_conntrack_find_get(&init_net, &master);
+ master_h = nf_conntrack_find_get(net, &master);
if (master_h == NULL) {
err = -ENOENT;
goto err2;
const struct nlmsghdr *nlh,
const struct nlattr * const cda[])
{
+ struct net *net = sock_net(ctnl);
struct nf_conntrack_tuple otuple, rtuple;
struct nf_conntrack_tuple_hash *h = NULL;
struct nfgenmsg *nfmsg = nlmsg_data(nlh);
spin_lock_bh(&nf_conntrack_lock);
if (cda[CTA_TUPLE_ORIG])
- h = __nf_conntrack_find(&init_net, &otuple);
+ h = __nf_conntrack_find(net, &otuple);
else if (cda[CTA_TUPLE_REPLY])
- h = __nf_conntrack_find(&init_net, &rtuple);
+ h = __nf_conntrack_find(net, &rtuple);
if (h == NULL) {
err = -ENOENT;
struct nf_conn *ct;
enum ip_conntrack_events events;
- ct = ctnetlink_create_conntrack(cda, &otuple,
+ ct = ctnetlink_create_conntrack(net, cda, &otuple,
&rtuple, u3);
if (IS_ERR(ct)) {
err = PTR_ERR(ct);
else
events = IPCT_NEW;
- nf_conntrack_eventmask_report((1 << IPCT_STATUS) |
+ nf_conntrack_eventmask_report((1 << IPCT_REPLY) |
+ (1 << IPCT_ASSURED) |
(1 << IPCT_HELPER) |
(1 << IPCT_PROTOINFO) |
(1 << IPCT_NATSEQADJ) |
if (err == 0) {
nf_conntrack_get(&ct->ct_general);
spin_unlock_bh(&nf_conntrack_lock);
- nf_conntrack_eventmask_report((1 << IPCT_STATUS) |
+ nf_conntrack_eventmask_report((1 << IPCT_REPLY) |
+ (1 << IPCT_ASSURED) |
(1 << IPCT_HELPER) |
(1 << IPCT_PROTOINFO) |
(1 << IPCT_NATSEQADJ) |
struct nlattr *nest_parms;
memset(&m, 0xFF, sizeof(m));
- m.src.u.all = mask->src.u.all;
memcpy(&m.src.u3, &mask->src.u3, sizeof(m.src.u3));
+ m.src.u.all = mask->src.u.all;
+ m.dst.protonum = tuple->dst.protonum;
nest_parms = nla_nest_start(skb, CTA_EXPECT_MASK | NLA_F_NESTED);
if (!nest_parms)
static int
ctnetlink_expect_event(unsigned int events, struct nf_exp_event *item)
{
+ struct nf_conntrack_expect *exp = item->exp;
+ struct net *net = nf_ct_exp_net(exp);
struct nlmsghdr *nlh;
struct nfgenmsg *nfmsg;
- struct nf_conntrack_expect *exp = item->exp;
struct sk_buff *skb;
unsigned int type;
int flags = 0;
return 0;
if (!item->report &&
- !nfnetlink_has_listeners(NFNLGRP_CONNTRACK_EXP_NEW))
+ !nfnetlink_has_listeners(net, NFNLGRP_CONNTRACK_EXP_NEW))
return 0;
skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
rcu_read_unlock();
nlmsg_end(skb, nlh);
- nfnetlink_send(skb, item->pid, NFNLGRP_CONNTRACK_EXP_NEW,
+ nfnetlink_send(skb, net, item->pid, NFNLGRP_CONNTRACK_EXP_NEW,
item->report, GFP_ATOMIC);
return 0;
nlmsg_failure:
kfree_skb(skb);
errout:
- nfnetlink_set_err(0, 0, -ENOBUFS);
+ nfnetlink_set_err(net, 0, 0, -ENOBUFS);
return 0;
}
#endif
static int
ctnetlink_exp_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = &init_net;
+ struct net *net = sock_net(skb->sk);
struct nf_conntrack_expect *exp, *last;
struct nfgenmsg *nfmsg = nlmsg_data(cb->nlh);
struct hlist_node *n;
}
static const struct nla_policy exp_nla_policy[CTA_EXPECT_MAX+1] = {
+ [CTA_EXPECT_MASTER] = { .type = NLA_NESTED },
+ [CTA_EXPECT_TUPLE] = { .type = NLA_NESTED },
+ [CTA_EXPECT_MASK] = { .type = NLA_NESTED },
[CTA_EXPECT_TIMEOUT] = { .type = NLA_U32 },
[CTA_EXPECT_ID] = { .type = NLA_U32 },
+ [CTA_EXPECT_HELP_NAME] = { .type = NLA_NUL_STRING },
};
static int
const struct nlmsghdr *nlh,
const struct nlattr * const cda[])
{
+ struct net *net = sock_net(ctnl);
struct nf_conntrack_tuple tuple;
struct nf_conntrack_expect *exp;
struct sk_buff *skb2;
if (err < 0)
return err;
- exp = nf_ct_expect_find_get(&init_net, &tuple);
+ exp = nf_ct_expect_find_get(net, &tuple);
if (!exp)
return -ENOENT;
const struct nlmsghdr *nlh,
const struct nlattr * const cda[])
{
+ struct net *net = sock_net(ctnl);
struct nf_conntrack_expect *exp;
struct nf_conntrack_tuple tuple;
- struct nf_conntrack_helper *h;
struct nfgenmsg *nfmsg = nlmsg_data(nlh);
struct hlist_node *n, *next;
u_int8_t u3 = nfmsg->nfgen_family;
return err;
/* bump usage count to 2 */
- exp = nf_ct_expect_find_get(&init_net, &tuple);
+ exp = nf_ct_expect_find_get(net, &tuple);
if (!exp)
return -ENOENT;
/* delete all expectations for this helper */
spin_lock_bh(&nf_conntrack_lock);
- h = __nf_conntrack_helper_find_byname(name);
- if (!h) {
- spin_unlock_bh(&nf_conntrack_lock);
- return -EOPNOTSUPP;
- }
for (i = 0; i < nf_ct_expect_hsize; i++) {
hlist_for_each_entry_safe(exp, n, next,
- &init_net.ct.expect_hash[i],
+ &net->ct.expect_hash[i],
hnode) {
m_help = nfct_help(exp->master);
- if (m_help->helper == h
- && del_timer(&exp->timeout)) {
+ if (!strcmp(m_help->helper->name, name) &&
+ del_timer(&exp->timeout)) {
nf_ct_unlink_expect(exp);
nf_ct_expect_put(exp);
}
spin_lock_bh(&nf_conntrack_lock);
for (i = 0; i < nf_ct_expect_hsize; i++) {
hlist_for_each_entry_safe(exp, n, next,
- &init_net.ct.expect_hash[i],
+ &net->ct.expect_hash[i],
hnode) {
if (del_timer(&exp->timeout)) {
nf_ct_unlink_expect(exp);
}
static int
-ctnetlink_create_expect(const struct nlattr * const cda[], u_int8_t u3,
+ctnetlink_create_expect(struct net *net, const struct nlattr * const cda[],
+ u_int8_t u3,
u32 pid, int report)
{
struct nf_conntrack_tuple tuple, mask, master_tuple;
return err;
/* Look for master conntrack of this expectation */
- h = nf_conntrack_find_get(&init_net, &master_tuple);
+ h = nf_conntrack_find_get(net, &master_tuple);
if (!h)
return -ENOENT;
ct = nf_ct_tuplehash_to_ctrack(h);
const struct nlmsghdr *nlh,
const struct nlattr * const cda[])
{
+ struct net *net = sock_net(ctnl);
struct nf_conntrack_tuple tuple;
struct nf_conntrack_expect *exp;
struct nfgenmsg *nfmsg = nlmsg_data(nlh);
return err;
spin_lock_bh(&nf_conntrack_lock);
- exp = __nf_ct_expect_find(&init_net, &tuple);
+ exp = __nf_ct_expect_find(net, &tuple);
if (!exp) {
spin_unlock_bh(&nf_conntrack_lock);
err = -ENOENT;
if (nlh->nlmsg_flags & NLM_F_CREATE) {
- err = ctnetlink_create_expect(cda,
+ err = ctnetlink_create_expect(net, cda,
u3,
NETLINK_CB(skb).pid,
nlmsg_report(nlh));
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff