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fix: workaround for PCAP_SET_RFMON issue (fixes #819, https://github.com/the-tcpdump-group/libpcap/issues/1041, https://github.com/the-tcpdump-group/libpcap/issues/1033)

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This commit is contained in:
Simone Margaritelli 2024-08-08 13:40:45 +02:00
commit b12ba7947b
4 changed files with 30 additions and 4 deletions
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16
network/net_linux.go
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@ -16,6 +16,22 @@ func getInterfaceName(iface net.Interface) string {
return iface.Name
}
// See https://github.com/bettercap/bettercap/issues/819
func ForceMonitorMode(iface string) error {
_, _ = core.Exec("ip", []string{"link", "set", iface, "down"})
out, err := core.Exec("iw", []string{"dev", iface, "set", "type", "monitor"})
if err != nil {
return fmt.Errorf("iw: out=%s err=%s", out, err)
} else if out != "" {
return fmt.Errorf("Unexpected output while setting interface %s into monitor mode: %s", iface, out)
}
_, _ = core.Exec("ip", []string{"link", "set", iface, "up"})
return nil
}
func SetInterfaceChannel(iface string, channel int) error {
curr := GetInterfaceChannel(iface)
// the interface is already on this channel