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Check the output of iptables command.

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This commit is contained in:
Guillaume J. Charmes
2013-11-05 08:33:13 -08:00
parent dcaaecc815
commit ff8a4ba0aa
4 changed files with 46 additions and 17 deletions
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links.go
+6 -2
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@@ -120,7 +120,7 @@ func (l *Link) Disable() {
func (l *Link) toggle(action string, ignoreErrors bool) error {
for _, p := range l.Ports {
if err := iptables.Raw(action, "FORWARD",
if output, err := iptables.Raw(action, "FORWARD",
"-i", l.BridgeInterface, "-o", l.BridgeInterface,
"-p", p.Proto(),
"-s", l.ParentIP,
@@ -128,9 +128,11 @@ func (l *Link) toggle(action string, ignoreErrors bool) error {
"-d", l.ChildIP,
"-j", "ACCEPT"); !ignoreErrors && err != nil {
return err
} else if len(output) != 0 {
return fmt.Errorf("Error toggle iptables forward: %s", output)
}
if err := iptables.Raw(action, "FORWARD",
if output, err := iptables.Raw(action, "FORWARD",
"-i", l.BridgeInterface, "-o", l.BridgeInterface,
"-p", p.Proto(),
"-s", l.ChildIP,
@@ -138,6 +140,8 @@ func (l *Link) toggle(action string, ignoreErrors bool) error {
"-d", l.ParentIP,
"-j", "ACCEPT"); !ignoreErrors && err != nil {
return err
} else if len(output) != 0 {
return fmt.Errorf("Error toggle iptables forward: %s", output)
}
}
return nil