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Diffstat (limited to 'net/netfilter/nf_log.c')
-rw-r--r--net/netfilter/nf_log.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index ffb9e8ada899..8d85a0598b60 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -15,6 +15,9 @@
#define NFLOGGER_NAME_LEN 64
+int sysctl_nf_log_all_netns __read_mostly;
+EXPORT_SYMBOL(sysctl_nf_log_all_netns);
+
static struct nf_logger __rcu *loggers[NFPROTO_NUMPROTO][NF_LOG_TYPE_MAX] __read_mostly;
static DEFINE_MUTEX(nf_log_mutex);
@@ -413,6 +416,18 @@ static const struct file_operations nflog_file_ops = {
#ifdef CONFIG_SYSCTL
static char nf_log_sysctl_fnames[NFPROTO_NUMPROTO-NFPROTO_UNSPEC][3];
static struct ctl_table nf_log_sysctl_table[NFPROTO_NUMPROTO+1];
+static struct ctl_table_header *nf_log_sysctl_fhdr;
+
+static struct ctl_table nf_log_sysctl_ftable[] = {
+ {
+ .procname = "nf_log_all_netns",
+ .data = &sysctl_nf_log_all_netns,
+ .maxlen = sizeof(sysctl_nf_log_all_netns),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ { }
+};
static int nf_log_proc_dostring(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
@@ -482,6 +497,10 @@ static int netfilter_log_sysctl_init(struct net *net)
nf_log_sysctl_table[i].extra1 =
(void *)(unsigned long) i;
}
+ nf_log_sysctl_fhdr = register_net_sysctl(net, "net/netfilter",
+ nf_log_sysctl_ftable);
+ if (!nf_log_sysctl_fhdr)
+ goto err_freg;
}
for (i = NFPROTO_UNSPEC; i < NFPROTO_NUMPROTO; i++)
@@ -498,6 +517,9 @@ static int netfilter_log_sysctl_init(struct net *net)
err_reg:
if (!net_eq(net, &init_net))
kfree(table);
+ else
+ unregister_net_sysctl_table(nf_log_sysctl_fhdr);
+err_freg:
err_alloc:
return -ENOMEM;
}
@@ -510,6 +532,8 @@ static void netfilter_log_sysctl_exit(struct net *net)
unregister_net_sysctl_table(net->nf.nf_log_dir_header);
if (!net_eq(net, &init_net))
kfree(table);
+ else
+ unregister_net_sysctl_table(nf_log_sysctl_fhdr);
}
#else
static int netfilter_log_sysctl_init(struct net *net)