diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2013-01-27 19:03:44 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2013-01-27 19:03:44 +0000 |
| commit | 3cae2032bb3d4620857f01037231146a8ee0f292 (patch) | |
| tree | 90bbf6a657eff9c2518a6286bc46104d08be293a | |
| parent | 4bc97c72651bb3607dea13cc5425944ebade0ca8 (diff) | |
| download | upstream-3cae2032bb3d4620857f01037231146a8ee0f292.tar.gz upstream-3cae2032bb3d4620857f01037231146a8ee0f292.tar.bz2 upstream-3cae2032bb3d4620857f01037231146a8ee0f292.zip | |
netfilter: add support for flushing conntrack via /proc
Backport of r35330
git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@35331 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | target/linux/generic/patches-3.3/605-netfilter_conntrack_flush.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.3/605-netfilter_conntrack_flush.patch b/target/linux/generic/patches-3.3/605-netfilter_conntrack_flush.patch new file mode 100644 index 0000000000..cbcd29ac39 --- /dev/null +++ b/target/linux/generic/patches-3.3/605-netfilter_conntrack_flush.patch @@ -0,0 +1,46 @@ +--- a/net/netfilter/nf_conntrack_standalone.c ++++ b/net/netfilter/nf_conntrack_standalone.c +@@ -267,10 +267,34 @@ static int ct_open(struct inode *inode, + sizeof(struct ct_iter_state)); + } + ++static int kill_all(struct nf_conn *i, void *data) ++{ ++ return 1; ++} ++ ++static ssize_t ct_file_write(struct file *file, const char __user *buf, ++ size_t count, loff_t *ppos) ++{ ++ struct seq_file *seq = file->private_data; ++ struct net *net = seq_file_net(seq); ++ ++ if (count) { ++ char c; ++ ++ if (get_user(c, buf)) ++ return -EFAULT; ++ ++ if (c == 'f') ++ nf_ct_iterate_cleanup(net, kill_all, NULL); ++ } ++ return count; ++} ++ + static const struct file_operations ct_file_ops = { + .owner = THIS_MODULE, + .open = ct_open, + .read = seq_read, ++ .write = ct_file_write, + .llseek = seq_lseek, + .release = seq_release_net, + }; +@@ -372,7 +396,7 @@ static int nf_conntrack_standalone_init_ + { + struct proc_dir_entry *pde; + +- pde = proc_net_fops_create(net, "nf_conntrack", 0440, &ct_file_ops); ++ pde = proc_net_fops_create(net, "nf_conntrack", 0660, &ct_file_ops); + if (!pde) + goto out_nf_conntrack; + |