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Add logic for regular chains (#28) 

* Add logic for regular chains

Signed-off-by: Serguei Bezverkhi <sbezverk@cisco.com>
This commit is contained in:
Serguei Bezverkhi 2019-06-24 12:00:28 -04:00 committed by Michael Stapelberg
parent 900c47abbb
commit 76dc827b18
1 changed files with 11 additions and 6 deletions
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15
chain.go
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@ -86,17 +86,22 @@ type Chain struct {
// AddChain adds the specified Chain. See also
// https://wiki.nftables.org/wiki-nftables/index.php/Configuring_chains#Adding_base_chains
func (cc *Conn) AddChain(c *Chain) *Chain {
chainHook := cc.marshalAttr([]netlink.Attribute{
{Type: unix.NFTA_HOOK_HOOKNUM, Data: binaryutil.BigEndian.PutUint32(uint32(c.Hooknum))},
{Type: unix.NFTA_HOOK_PRIORITY, Data: binaryutil.BigEndian.PutUint32(uint32(c.Priority))},
})
data := cc.marshalAttr([]netlink.Attribute{
{Type: unix.NFTA_CHAIN_TABLE, Data: []byte(c.Table.Name + "\x00")},
{Type: unix.NFTA_CHAIN_NAME, Data: []byte(c.Name + "\x00")},
})
if c.Type != "" {
chainHook := cc.marshalAttr([]netlink.Attribute{
{Type: unix.NFTA_HOOK_HOOKNUM, Data: binaryutil.BigEndian.PutUint32(uint32(c.Hooknum))},
{Type: unix.NFTA_HOOK_PRIORITY, Data: binaryutil.BigEndian.PutUint32(uint32(c.Priority))},
})
data = append(data, cc.marshalAttr([]netlink.Attribute{
{Type: unix.NLA_F_NESTED | unix.NFTA_CHAIN_HOOK, Data: chainHook},
{Type: unix.NFTA_CHAIN_TYPE, Data: []byte(c.Type + "\x00")},
})
})...)
}
cc.messages = append(cc.messages, netlink.Message{
Header: netlink.Header{