netlink/rule_test.go

76 lines
1.5 KiB
Go

// +build linux
package netlink
import (
"net"
"testing"
"golang.org/x/sys/unix"
)
func TestRuleAddDel(t *testing.T) {
skipUnlessRoot(t)
defer setUpNetlinkTest(t)()
srcNet := &net.IPNet{IP: net.IPv4(172, 16, 0, 1), Mask: net.CIDRMask(16, 32)}
dstNet := &net.IPNet{IP: net.IPv4(172, 16, 1, 1), Mask: net.CIDRMask(24, 32)}
rulesBegin, err := RuleList(unix.AF_INET)
if err != nil {
t.Fatal(err)
}
rule := NewRule()
rule.Table = unix.RT_TABLE_MAIN
rule.Src = srcNet
rule.Dst = dstNet
rule.Priority = 5
rule.OifName = "lo"
rule.IifName = "lo"
rule.Invert = true
if err := RuleAdd(rule); err != nil {
t.Fatal(err)
}
rules, err := RuleList(unix.AF_INET)
if err != nil {
t.Fatal(err)
}
if len(rules) != len(rulesBegin)+1 {
t.Fatal("Rule not added properly")
}
// find this rule
var found bool
for i := range rules {
if rules[i].Table == rule.Table &&
rules[i].Src != nil && rules[i].Src.String() == srcNet.String() &&
rules[i].Dst != nil && rules[i].Dst.String() == dstNet.String() &&
rules[i].OifName == rule.OifName &&
rules[i].Priority == rule.Priority &&
rules[i].IifName == rule.IifName &&
rules[i].Invert == rule.Invert {
found = true
break
}
}
if !found {
t.Fatal("Rule has diffrent options than one added")
}
if err := RuleDel(rule); err != nil {
t.Fatal(err)
}
rulesEnd, err := RuleList(unix.AF_INET)
if err != nil {
t.Fatal(err)
}
if len(rulesEnd) != len(rulesBegin) {
t.Fatal("Rule not removed properly")
}
}