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package netlink
import (
"fmt"
"net"
)
// Dir is an enum representing an ipsec template direction.
type Dir uint8
const (
XFRM_DIR_IN Dir = iota
XFRM_DIR_OUT
XFRM_DIR_FWD
XFRM_SOCKET_IN
XFRM_SOCKET_OUT
XFRM_SOCKET_FWD
)
func (d Dir) String() string {
switch d {
case XFRM_DIR_IN:
return "dir in"
case XFRM_DIR_OUT:
return "dir out"
case XFRM_DIR_FWD:
return "dir fwd"
case XFRM_SOCKET_IN:
return "socket in"
case XFRM_SOCKET_OUT:
return "socket out"
case XFRM_SOCKET_FWD:
return "socket fwd"
}
return fmt.Sprintf("socket %d", d-XFRM_SOCKET_IN)
}
// XfrmPolicyTmpl encapsulates a rule for the base addresses of an ipsec
// policy. These rules are matched with XfrmState to determine encryption
// and authentication algorithms.
type XfrmPolicyTmpl struct {
Dst net.IP
Src net.IP
Proto Proto
Mode Mode
Reqid int
}
// XfrmPolicy represents an ipsec policy. It represents the overlay network
// and has a list of XfrmPolicyTmpls representing the base addresses of
// the policy.
type XfrmPolicy struct {
Dst *net.IPNet
Src *net.IPNet
Dir Dir
Priority int
Index int
Tmpls []XfrmPolicyTmpl
}
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