97 lines
2.1 KiB
Go
97 lines
2.1 KiB
Go
package netlink
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import (
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"fmt"
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"net"
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)
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// Dir is an enum representing an ipsec template direction.
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type Dir uint8
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const (
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XFRM_DIR_IN Dir = iota
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XFRM_DIR_OUT
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XFRM_DIR_FWD
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XFRM_SOCKET_IN
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XFRM_SOCKET_OUT
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XFRM_SOCKET_FWD
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)
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func (d Dir) String() string {
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switch d {
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case XFRM_DIR_IN:
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return "dir in"
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case XFRM_DIR_OUT:
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return "dir out"
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case XFRM_DIR_FWD:
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return "dir fwd"
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case XFRM_SOCKET_IN:
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return "socket in"
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case XFRM_SOCKET_OUT:
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return "socket out"
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case XFRM_SOCKET_FWD:
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return "socket fwd"
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}
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return fmt.Sprintf("socket %d", d-XFRM_SOCKET_IN)
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}
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// PolicyAction is an enum representing an ipsec policy action.
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type PolicyAction uint8
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const (
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XFRM_POLICY_ALLOW PolicyAction = 0
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XFRM_POLICY_BLOCK PolicyAction = 1
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)
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func (a PolicyAction) String() string {
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switch a {
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case XFRM_POLICY_ALLOW:
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return "allow"
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case XFRM_POLICY_BLOCK:
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return "block"
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default:
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return fmt.Sprintf("action %d", a)
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}
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}
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// XfrmPolicyTmpl encapsulates a rule for the base addresses of an ipsec
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// policy. These rules are matched with XfrmState to determine encryption
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// and authentication algorithms.
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type XfrmPolicyTmpl struct {
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Dst net.IP
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Src net.IP
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Proto Proto
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Mode Mode
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Spi int
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Reqid int
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}
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func (t XfrmPolicyTmpl) String() string {
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return fmt.Sprintf("{Dst: %v, Src: %v, Proto: %s, Mode: %s, Spi: 0x%x, Reqid: 0x%x}",
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t.Dst, t.Src, t.Proto, t.Mode, t.Spi, t.Reqid)
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}
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// XfrmPolicy represents an ipsec policy. It represents the overlay network
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// and has a list of XfrmPolicyTmpls representing the base addresses of
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// the policy.
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type XfrmPolicy struct {
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Dst *net.IPNet
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Src *net.IPNet
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Proto Proto
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DstPort int
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SrcPort int
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Dir Dir
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Priority int
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Index int
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Action PolicyAction
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Ifindex int
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Ifid int
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Mark *XfrmMark
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Tmpls []XfrmPolicyTmpl
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}
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func (p XfrmPolicy) String() string {
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return fmt.Sprintf("{Dst: %v, Src: %v, Proto: %s, DstPort: %d, SrcPort: %d, Dir: %s, Priority: %d, Index: %d, Action: %s, Ifindex: %d, Ifid: %d, Mark: %s, Tmpls: %s}",
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p.Dst, p.Src, p.Proto, p.DstPort, p.SrcPort, p.Dir, p.Priority, p.Index, p.Action, p.Ifindex, p.Ifid, p.Mark, p.Tmpls)
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}
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