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46 lines
1.1 KiB
46 lines
1.1 KiB
--- a/net/netfilter/nf_conntrack_standalone.c
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+++ b/net/netfilter/nf_conntrack_standalone.c
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@@ -268,10 +268,34 @@ static int ct_open(struct inode *inode,
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sizeof(struct ct_iter_state));
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}
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+static int kill_all(struct nf_conn *i, void *data)
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+{
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+ return 1;
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+}
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+
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+static ssize_t ct_file_write(struct file *file, const char __user *buf,
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+ size_t count, loff_t *ppos)
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+{
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+ struct seq_file *seq = file->private_data;
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+ struct net *net = seq_file_net(seq);
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+
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+ if (count) {
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+ char c;
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+
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+ if (get_user(c, buf))
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+ return -EFAULT;
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+
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+ if (c == 'f')
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+ nf_ct_iterate_cleanup(net, kill_all, NULL, 0, 0);
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+ }
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+ return count;
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+}
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+
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static const struct file_operations ct_file_ops = {
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.owner = THIS_MODULE,
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.open = ct_open,
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.read = seq_read,
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+ .write = ct_file_write,
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.llseek = seq_lseek,
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.release = seq_release_net,
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};
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@@ -373,7 +397,7 @@ static int nf_conntrack_standalone_init_
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{
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struct proc_dir_entry *pde;
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- pde = proc_create("nf_conntrack", 0440, net->proc_net, &ct_file_ops);
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+ pde = proc_create("nf_conntrack", 0660, net->proc_net, &ct_file_ops);
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if (!pde)
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goto out_nf_conntrack;
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