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new: experimental ipv6 ndp spoofer (closes #851)

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This commit is contained in:
Simone Margaritelli 2021-04-03 22:55:03 +02:00
parent cbc1432358
commit 57436a811c
8 changed files with 256 additions and 13 deletions
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9
firewall/firewall_linux.go
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@ -9,6 +9,7 @@ import (
"github.com/bettercap/bettercap/network"
"github.com/evilsocket/islazy/str"
"github.com/evilsocket/islazy/fs"
)
type LinuxFirewall struct {
@ -19,6 +20,7 @@ type LinuxFirewall struct {
const (
IPV4ForwardingFile = "/proc/sys/net/ipv4/ip_forward"
IPV6ForwardingFile = "/proc/sys/net/ipv6/conf/all/forwarding"
)
func Make(iface *network.Endpoint) FirewallManager {
@ -61,7 +63,12 @@ func (f LinuxFirewall) IsForwardingEnabled() bool {
}
func (f LinuxFirewall) EnableForwarding(enabled bool) error {
return f.enableFeature(IPV4ForwardingFile, enabled)
if err := f.enableFeature(IPV4ForwardingFile, enabled); err != nil {
return err
} else if fs.Exists(IPV6ForwardingFile) {
return f.enableFeature(IPV6ForwardingFile, enabled)
}
return nil
}
func (f *LinuxFirewall) getCommandLine(r *Redirection, enabled bool) (cmdLine []string) {