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netfilter: enable per netns support for nf_loggers 

After this patch, all nf_loggers support net namespace. Still
xt_LOG and ebt_log require syslog netns support.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Gao feng 2013-04-05 17:04:35 +02:00 committed by Pablo Neira Ayuso
parent 9368a53c47
commit 5b023fc8d8
1 changed files with 0 additions and 21 deletions
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21
net/netfilter/nf_log.c
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@ -35,9 +35,6 @@ void nf_log_set(struct net *net, u_int8_t pf, const struct nf_logger *logger)
{
const struct nf_logger *log;
if (!net_eq(net, &init_net))
return;
if (pf == NFPROTO_UNSPEC)
return;
@ -56,9 +53,6 @@ void nf_log_unset(struct net *net, const struct nf_logger *logger)
int i;
const struct nf_logger *log;
if (!net_eq(net, &init_net))
return;
mutex_lock(&nf_log_mutex);
for (i = 0; i < NFPROTO_NUMPROTO; i++) {
log = rcu_dereference_protected(net->nf.nf_loggers[i],
@ -94,7 +88,6 @@ int nf_log_register(u_int8_t pf, struct nf_logger *logger)
mutex_unlock(&nf_log_mutex);
nf_log_set(&init_net, pf, logger);
return 0;
}
EXPORT_SYMBOL(nf_log_register);
@ -107,17 +100,12 @@ void nf_log_unregister(struct nf_logger *logger)
for (i = 0; i < NFPROTO_NUMPROTO; i++)
list_del(&logger->list[i]);
mutex_unlock(&nf_log_mutex);
nf_log_unset(&init_net, logger);
}
EXPORT_SYMBOL(nf_log_unregister);
int nf_log_bind_pf(struct net *net, u_int8_t pf,
const struct nf_logger *logger)
{
if (!net_eq(net, &init_net))
return 0;
if (pf >= ARRAY_SIZE(net->nf.nf_loggers))
return -EINVAL;
mutex_lock(&nf_log_mutex);
@ -133,9 +121,6 @@ EXPORT_SYMBOL(nf_log_bind_pf);
void nf_log_unbind_pf(struct net *net, u_int8_t pf)
{
if (!net_eq(net, &init_net))
return;
if (pf >= ARRAY_SIZE(net->nf.nf_loggers))
return;
mutex_lock(&nf_log_mutex);
@ -157,9 +142,6 @@ void nf_log_packet(struct net *net,
char prefix[NF_LOG_PREFIXLEN];
const struct nf_logger *logger;
if (!net_eq(net, &init_net))
return;
rcu_read_lock();
logger = rcu_dereference(net->nf.nf_loggers[pf]);
if (logger) {
@ -274,9 +256,6 @@ static int nf_log_proc_dostring(ctl_table *table, int write,
struct net *net = current->nsproxy->net_ns;
if (write) {
if (!net_eq(net, &init_net))
return -EPERM;
if (size > sizeof(buf))
size = sizeof(buf);
if (copy_from_user(buf, buffer, size))