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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6

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This commit is contained in:
David S. Miller
2009-03-26 22:45:23 -07:00
parent 8f1ead2d1a d271e8bd8c
commit 01e6de64d9
33 changed files with 416 additions and 210 deletions
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18
net/ipv4/netfilter/arp_tables.c
View File

@@ -81,19 +81,7 @@ static inline int arp_devaddr_compare(const struct arpt_devaddr_info *ap,
static unsigned long ifname_compare(const char *_a, const char *_b, const char *_mask)
{
#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
const unsigned long *a = (const unsigned long *)_a;
const unsigned long *b = (const unsigned long *)_b;
const unsigned long *mask = (const unsigned long *)_mask;
unsigned long ret;
ret = (a[0] ^ b[0]) & mask[0];
if (IFNAMSIZ > sizeof(unsigned long))
ret |= (a[1] ^ b[1]) & mask[1];
if (IFNAMSIZ > 2 * sizeof(unsigned long))
ret |= (a[2] ^ b[2]) & mask[2];
if (IFNAMSIZ > 3 * sizeof(unsigned long))
ret |= (a[3] ^ b[3]) & mask[3];
BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long));
unsigned long ret = ifname_compare_aligned(_a, _b, _mask);
#else
unsigned long ret = 0;
const u16 *a = (const u16 *)_a;
@@ -404,7 +392,9 @@ static int mark_source_chains(struct xt_table_info *newinfo,
&& unconditional(&e->arp)) || visited) {
unsigned int oldpos, size;
if (t->verdict < -NF_MAX_VERDICT - 1) {
if ((strcmp(t->target.u.user.name,
ARPT_STANDARD_TARGET) == 0) &&
t->verdict < -NF_MAX_VERDICT - 1) {
duprintf("mark_source_chains: bad "
"negative verdict (%i)\n",
t->verdict);

27
net/ipv4/netfilter/ip_tables.c
View File

@@ -74,25 +74,6 @@ do { \
Hence the start of any table is given by get_table() below. */
static unsigned long ifname_compare(const char *_a, const char *_b,
const unsigned char *_mask)
{
const unsigned long *a = (const unsigned long *)_a;
const unsigned long *b = (const unsigned long *)_b;
const unsigned long *mask = (const unsigned long *)_mask;
unsigned long ret;
ret = (a[0] ^ b[0]) & mask[0];
if (IFNAMSIZ > sizeof(unsigned long))
ret |= (a[1] ^ b[1]) & mask[1];
if (IFNAMSIZ > 2 * sizeof(unsigned long))
ret |= (a[2] ^ b[2]) & mask[2];
if (IFNAMSIZ > 3 * sizeof(unsigned long))
ret |= (a[3] ^ b[3]) & mask[3];
BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long));
return ret;
}
/* Returns whether matches rule or not. */
/* Performance critical - called for every packet */
static inline bool
@@ -121,7 +102,7 @@ ip_packet_match(const struct iphdr *ip,
return false;
}
ret = ifname_compare(indev, ipinfo->iniface, ipinfo->iniface_mask);
ret = ifname_compare_aligned(indev, ipinfo->iniface, ipinfo->iniface_mask);
if (FWINV(ret != 0, IPT_INV_VIA_IN)) {
dprintf("VIA in mismatch (%s vs %s).%s\n",
@@ -130,7 +111,7 @@ ip_packet_match(const struct iphdr *ip,
return false;
}
ret = ifname_compare(outdev, ipinfo->outiface, ipinfo->outiface_mask);
ret = ifname_compare_aligned(outdev, ipinfo->outiface, ipinfo->outiface_mask);
if (FWINV(ret != 0, IPT_INV_VIA_OUT)) {
dprintf("VIA out mismatch (%s vs %s).%s\n",
@@ -507,7 +488,9 @@ mark_source_chains(struct xt_table_info *newinfo,
&& unconditional(&e->ip)) || visited) {
unsigned int oldpos, size;
if (t->verdict < -NF_MAX_VERDICT - 1) {
if ((strcmp(t->target.u.user.name,
IPT_STANDARD_TARGET) == 0) &&
t->verdict < -NF_MAX_VERDICT - 1) {
duprintf("mark_source_chains: bad "
"negative verdict (%i)\n",
t->verdict);

6
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
View File

@@ -328,6 +328,11 @@ static int ipv4_nlattr_to_tuple(struct nlattr *tb[],
return 0;
}
static int ipv4_nlattr_tuple_size(void)
{
return nla_policy_len(ipv4_nla_policy, CTA_IP_MAX + 1);
}
#endif
static struct nf_sockopt_ops so_getorigdst = {
@@ -347,6 +352,7 @@ struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4 __read_mostly = {
.get_l4proto = ipv4_get_l4proto,
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
.tuple_to_nlattr = ipv4_tuple_to_nlattr,
.nlattr_tuple_size = ipv4_nlattr_tuple_size,
.nlattr_to_tuple = ipv4_nlattr_to_tuple,
.nla_policy = ipv4_nla_policy,
#endif

63
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
View File

@@ -25,40 +25,42 @@ struct ct_iter_state {
unsigned int bucket;
};
static struct hlist_node *ct_get_first(struct seq_file *seq)
static struct hlist_nulls_node *ct_get_first(struct seq_file *seq)
{
struct net *net = seq_file_net(seq);
struct ct_iter_state *st = seq->private;
struct hlist_node *n;
struct hlist_nulls_node *n;
for (st->bucket = 0;
st->bucket < nf_conntrack_htable_size;
st->bucket++) {
n = rcu_dereference(net->ct.hash[st->bucket].first);
if (n)
if (!is_a_nulls(n))
return n;
}
return NULL;
}
static struct hlist_node *ct_get_next(struct seq_file *seq,
struct hlist_node *head)
static struct hlist_nulls_node *ct_get_next(struct seq_file *seq,
struct hlist_nulls_node *head)
{
struct net *net = seq_file_net(seq);
struct ct_iter_state *st = seq->private;
head = rcu_dereference(head->next);
while (head == NULL) {
if (++st->bucket >= nf_conntrack_htable_size)
return NULL;
while (is_a_nulls(head)) {
if (likely(get_nulls_value(head) == st->bucket)) {
if (++st->bucket >= nf_conntrack_htable_size)
return NULL;
}
head = rcu_dereference(net->ct.hash[st->bucket].first);
}
return head;
}
static struct hlist_node *ct_get_idx(struct seq_file *seq, loff_t pos)
static struct hlist_nulls_node *ct_get_idx(struct seq_file *seq, loff_t pos)
{
struct hlist_node *head = ct_get_first(seq);
struct hlist_nulls_node *head = ct_get_first(seq);
if (head)
while (pos && (head = ct_get_next(seq, head)))
@@ -87,69 +89,76 @@ static void ct_seq_stop(struct seq_file *s, void *v)
static int ct_seq_show(struct seq_file *s, void *v)
{
const struct nf_conntrack_tuple_hash *hash = v;
const struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(hash);
struct nf_conntrack_tuple_hash *hash = v;
struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(hash);
const struct nf_conntrack_l3proto *l3proto;
const struct nf_conntrack_l4proto *l4proto;
int ret = 0;
NF_CT_ASSERT(ct);
if (unlikely(!atomic_inc_not_zero(&ct->ct_general.use)))
return 0;
/* we only want to print DIR_ORIGINAL */
if (NF_CT_DIRECTION(hash))
return 0;
goto release;
if (nf_ct_l3num(ct) != AF_INET)
return 0;
goto release;
l3proto = __nf_ct_l3proto_find(nf_ct_l3num(ct));
NF_CT_ASSERT(l3proto);
l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct));
NF_CT_ASSERT(l4proto);
ret = -ENOSPC;
if (seq_printf(s, "%-8s %u %ld ",
l4proto->name, nf_ct_protonum(ct),
timer_pending(&ct->timeout)
? (long)(ct->timeout.expires - jiffies)/HZ : 0) != 0)
return -ENOSPC;
goto release;
if (l4proto->print_conntrack && l4proto->print_conntrack(s, ct))
return -ENOSPC;
goto release;
if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
l3proto, l4proto))
return -ENOSPC;
goto release;
if (seq_print_acct(s, ct, IP_CT_DIR_ORIGINAL))
return -ENOSPC;
goto release;
if (!(test_bit(IPS_SEEN_REPLY_BIT, &ct->status)))
if (seq_printf(s, "[UNREPLIED] "))
return -ENOSPC;
goto release;
if (print_tuple(s, &ct->tuplehash[IP_CT_DIR_REPLY].tuple,
l3proto, l4proto))
return -ENOSPC;
goto release;
if (seq_print_acct(s, ct, IP_CT_DIR_REPLY))
return -ENOSPC;
goto release;
if (test_bit(IPS_ASSURED_BIT, &ct->status))
if (seq_printf(s, "[ASSURED] "))
return -ENOSPC;
goto release;
#ifdef CONFIG_NF_CONNTRACK_MARK
if (seq_printf(s, "mark=%u ", ct->mark))
return -ENOSPC;
goto release;
#endif
#ifdef CONFIG_NF_CONNTRACK_SECMARK
if (seq_printf(s, "secmark=%u ", ct->secmark))
return -ENOSPC;
goto release;
#endif
if (seq_printf(s, "use=%u\n", atomic_read(&ct->ct_general.use)))
return -ENOSPC;
return 0;
goto release;
ret = 0;
release:
nf_ct_put(ct);
return ret;
}
static const struct seq_operations ct_seq_ops = {

6
net/ipv4/netfilter/nf_conntrack_proto_icmp.c
View File

@@ -262,6 +262,11 @@ static int icmp_nlattr_to_tuple(struct nlattr *tb[],
return 0;
}
static int icmp_nlattr_tuple_size(void)
{
return nla_policy_len(icmp_nla_policy, CTA_PROTO_MAX + 1);
}
#endif
#ifdef CONFIG_SYSCTL
@@ -309,6 +314,7 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp __read_mostly =
.me = NULL,
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
.tuple_to_nlattr = icmp_tuple_to_nlattr,
.nlattr_tuple_size = icmp_nlattr_tuple_size,
.nlattr_to_tuple = icmp_nlattr_to_tuple,
.nla_policy = icmp_nla_policy,
#endif

2
net/ipv4/netfilter/nf_nat_core.c
View File

@@ -679,7 +679,7 @@ nfnetlink_parse_nat_setup(struct nf_conn *ct,
static int __net_init nf_nat_net_init(struct net *net)
{
net->ipv4.nat_bysource = nf_ct_alloc_hashtable(&nf_nat_htable_size,
&net->ipv4.nat_vmalloced);
&net->ipv4.nat_vmalloced, 0);
if (!net->ipv4.nat_bysource)
return -ENOMEM;
return 0;