fix: using netsh exit status instead of output message in order to avoid issues with localization (fixes #186)

This commit is contained in:
evilsocket 2018-03-19 12:06:25 +01:00
commit 02da4a0cbd
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@ -35,26 +35,14 @@ func (f WindowsFirewall) IsForwardingEnabled() bool {
}
}
func (f WindowsFirewall) isSuccess(output string) bool {
if trimmed := core.Trim(strings.ToUpper(output)); trimmed == "" || strings.Contains(trimmed, "OK") == true {
return true
} else {
return false
}
}
func (f WindowsFirewall) EnableForwarding(enabled bool) error {
v := "enabled"
if enabled == false {
v = "disabled"
}
out, err := core.Exec("netsh", []string{"interface", "ipv4", "set", "interface", fmt.Sprintf("%d", f.iface.Index), fmt.Sprintf("forwarding=\"%s\"", v)})
if err != nil {
return err
}
if f.isSuccess(out) == false {
return fmt.Errorf("Unexpected netsh output: %s", out)
if _, err := core.Exec("netsh", []string{"interface", "ipv4", "set", "interface", fmt.Sprintf("%d", f.iface.Index), fmt.Sprintf("forwarding=\"%s\"", v)}); err != nil {
return err
}
return nil
@ -90,15 +78,10 @@ func (f *WindowsFirewall) AllowPort(port int, address string, proto string, allo
cmd = []string{"advfirewall", "firewall", "delete", "rule", nameField, protoField, portField}
}
out, err := core.Exec("netsh", cmd)
if err != nil {
if _, err := core.Exec("netsh", cmd); err != nil {
return err
}
if f.isSuccess(out) == false {
return fmt.Errorf("Unexpected netsh output: %s", out)
}
return nil
}
@ -116,14 +99,10 @@ func (f *WindowsFirewall) EnableRedirection(r *Redirection, enabled bool) error
rule = append([]string{"interface", "portproxy", "delete", "v4tov4"}, rule...)
}
out, err := core.Exec("netsh", rule)
if err != nil {
if _, err := core.Exec("netsh", rule); err != nil {
return err
}
if f.isSuccess(out) == false {
return fmt.Errorf("Unexpected netsh output: %s", out)
}
return nil
}