69 lines
1.4 KiB
Go
69 lines
1.4 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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// Rule represents a netlink rule.
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type Rule struct {
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Priority int
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Family int
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Table int
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Mark int
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Mask int
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Tos uint
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TunID uint
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Goto int
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Src *net.IPNet
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Dst *net.IPNet
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Flow int
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IifName string
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OifName string
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SuppressIfgroup int
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SuppressPrefixlen int
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Invert bool
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Dport *RulePortRange
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Sport *RulePortRange
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IPProto int
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}
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func (r Rule) String() string {
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from := "all"
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if r.Src != nil && r.Src.String() != "<nil>" {
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from = r.Src.String()
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}
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to := "all"
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if r.Dst != nil && r.Dst.String() != "<nil>" {
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to = r.Dst.String()
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}
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return fmt.Sprintf("ip rule %d: from %s to %s table %d",
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r.Priority, from, to, r.Table)
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}
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// NewRule return empty rules.
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func NewRule() *Rule {
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return &Rule{
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SuppressIfgroup: -1,
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SuppressPrefixlen: -1,
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Priority: -1,
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Mark: -1,
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Mask: -1,
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Goto: -1,
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Flow: -1,
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}
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}
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// NewRulePortRange creates rule sport/dport range.
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func NewRulePortRange(start, end uint16) *RulePortRange {
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return &RulePortRange{Start: start, End: end}
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}
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// RulePortRange represents rule sport/dport range.
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type RulePortRange struct {
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Start uint16
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End uint16
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}
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