summaryrefslogtreecommitdiff
path: root/net/netfilter
diff options
context:
space:
mode:
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c8
-rw-r--r--net/netfilter/ipvs/ip_vs_lblc.c10
-rw-r--r--net/netfilter/ipvs/ip_vs_lblcr.c10
-rw-r--r--net/netfilter/nf_conntrack_standalone.c4
-rw-r--r--net/netfilter/nf_log.c7
-rw-r--r--net/netfilter/nf_nat_core.c6
6 files changed, 30 insertions, 15 deletions
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 4bb0d90eca1c..143a341bbc0a 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -4269,6 +4269,7 @@ static int __net_init ip_vs_control_net_init_sysctl(struct netns_ipvs *ipvs)
struct net *net = ipvs->net;
struct ctl_table *tbl;
int idx, ret;
+ size_t ctl_table_size = ARRAY_SIZE(vs_vars);
atomic_set(&ipvs->dropentry, 0);
spin_lock_init(&ipvs->dropentry_lock);
@@ -4285,8 +4286,10 @@ static int __net_init ip_vs_control_net_init_sysctl(struct netns_ipvs *ipvs)
return -ENOMEM;
/* Don't export sysctls to unprivileged users */
- if (net->user_ns != &init_user_ns)
+ if (net->user_ns != &init_user_ns) {
tbl[0].procname = NULL;
+ ctl_table_size = 0;
+ }
} else
tbl = vs_vars;
/* Initialize sysctl defaults */
@@ -4357,7 +4360,8 @@ static int __net_init ip_vs_control_net_init_sysctl(struct netns_ipvs *ipvs)
#endif
ret = -ENOMEM;
- ipvs->sysctl_hdr = register_net_sysctl(net, "net/ipv4/vs", tbl);
+ ipvs->sysctl_hdr = register_net_sysctl_sz(net, "net/ipv4/vs", tbl,
+ ctl_table_size);
if (!ipvs->sysctl_hdr)
goto err;
ipvs->sysctl_tbl = tbl;
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index 1b87214d385e..cf78ba4ce5ff 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -550,6 +550,7 @@ static struct ip_vs_scheduler ip_vs_lblc_scheduler = {
static int __net_init __ip_vs_lblc_init(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
+ size_t vars_table_size = ARRAY_SIZE(vs_vars_table);
if (!ipvs)
return -ENOENT;
@@ -562,16 +563,19 @@ static int __net_init __ip_vs_lblc_init(struct net *net)
return -ENOMEM;
/* Don't export sysctls to unprivileged users */
- if (net->user_ns != &init_user_ns)
+ if (net->user_ns != &init_user_ns) {
ipvs->lblc_ctl_table[0].procname = NULL;
+ vars_table_size = 0;
+ }
} else
ipvs->lblc_ctl_table = vs_vars_table;
ipvs->sysctl_lblc_expiration = DEFAULT_EXPIRATION;
ipvs->lblc_ctl_table[0].data = &ipvs->sysctl_lblc_expiration;
- ipvs->lblc_ctl_header =
- register_net_sysctl(net, "net/ipv4/vs", ipvs->lblc_ctl_table);
+ ipvs->lblc_ctl_header = register_net_sysctl_sz(net, "net/ipv4/vs",
+ ipvs->lblc_ctl_table,
+ vars_table_size);
if (!ipvs->lblc_ctl_header) {
if (!net_eq(net, &init_net))
kfree(ipvs->lblc_ctl_table);
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index ad8f5fea6d3a..9eddf118b40e 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -736,6 +736,7 @@ static struct ip_vs_scheduler ip_vs_lblcr_scheduler =
static int __net_init __ip_vs_lblcr_init(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
+ size_t vars_table_size = ARRAY_SIZE(vs_vars_table);
if (!ipvs)
return -ENOENT;
@@ -748,15 +749,18 @@ static int __net_init __ip_vs_lblcr_init(struct net *net)
return -ENOMEM;
/* Don't export sysctls to unprivileged users */
- if (net->user_ns != &init_user_ns)
+ if (net->user_ns != &init_user_ns) {
ipvs->lblcr_ctl_table[0].procname = NULL;
+ vars_table_size = 0;
+ }
} else
ipvs->lblcr_ctl_table = vs_vars_table;
ipvs->sysctl_lblcr_expiration = DEFAULT_EXPIRATION;
ipvs->lblcr_ctl_table[0].data = &ipvs->sysctl_lblcr_expiration;
- ipvs->lblcr_ctl_header =
- register_net_sysctl(net, "net/ipv4/vs", ipvs->lblcr_ctl_table);
+ ipvs->lblcr_ctl_header = register_net_sysctl_sz(net, "net/ipv4/vs",
+ ipvs->lblcr_ctl_table,
+ vars_table_size);
if (!ipvs->lblcr_ctl_header) {
if (!net_eq(net, &init_net))
kfree(ipvs->lblcr_ctl_table);
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 169e16fc2bce..0ee98ce5b816 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -1106,7 +1106,9 @@ static int nf_conntrack_standalone_init_sysctl(struct net *net)
table[NF_SYSCTL_CT_BUCKETS].mode = 0444;
}
- cnet->sysctl_header = register_net_sysctl(net, "net/netfilter", table);
+ cnet->sysctl_header = register_net_sysctl_sz(net, "net/netfilter",
+ table,
+ ARRAY_SIZE(nf_ct_sysctl_table));
if (!cnet->sysctl_header)
goto out_unregister_netfilter;
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 8a29290149bd..8cc52d2bd31b 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -487,9 +487,10 @@ static int netfilter_log_sysctl_init(struct net *net)
for (i = NFPROTO_UNSPEC; i < NFPROTO_NUMPROTO; i++)
table[i].extra2 = net;
- net->nf.nf_log_dir_header = register_net_sysctl(net,
- "net/netfilter/nf_log",
- table);
+ net->nf.nf_log_dir_header = register_net_sysctl_sz(net,
+ "net/netfilter/nf_log",
+ table,
+ ARRAY_SIZE(nf_log_sysctl_table));
if (!net->nf.nf_log_dir_header)
goto err_reg;
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index fadbd4ed3dc0..c4e0516a8dfa 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -327,7 +327,7 @@ static bool l4proto_in_range(const struct nf_conntrack_tuple *tuple,
/* If we source map this tuple so reply looks like reply_tuple, will
* that meet the constraints of range.
*/
-static int in_range(const struct nf_conntrack_tuple *tuple,
+static int nf_in_range(const struct nf_conntrack_tuple *tuple,
const struct nf_nat_range2 *range)
{
/* If we are supposed to map IPs, then we must be in the
@@ -376,7 +376,7 @@ find_appropriate_src(struct net *net,
&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
result->dst = tuple->dst;
- if (in_range(result, range))
+ if (nf_in_range(result, range))
return 1;
}
}
@@ -607,7 +607,7 @@ get_unique_tuple(struct nf_conntrack_tuple *tuple,
if (maniptype == NF_NAT_MANIP_SRC &&
!(range->flags & NF_NAT_RANGE_PROTO_RANDOM_ALL)) {
/* try the original tuple first */
- if (in_range(orig_tuple, range)) {
+ if (nf_in_range(orig_tuple, range)) {
if (!nf_nat_used_tuple(orig_tuple, ct)) {
*tuple = *orig_tuple;
return;