rtl8723cs-wowlan: implement --dest-mac flag
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@ -77,21 +77,31 @@ class IpAddr(Encodable):
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def octets(self) -> list[int]:
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return self._octets
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class MacAddr(Encodable):
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def __init__(self, addr: str):
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pieces = addr.lower().split(':')
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self._octets = [int(p, 16) if p else 0 for p in pieces]
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def octets(self) -> list[int]:
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return self._octets
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class EtherType:
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# ethertype: <https://en.wikipedia.org/wiki/EtherType#Values>
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IPv4 = [ 0x08, 0x00 ] # 0x0800
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ARP = [ 0x08, 0x06 ] # 0x0806
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class EthernetFrame(Encodable):
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def __init__(self, ether_type: EtherType, payload: Encodable):
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def __init__(self, ether_type: EtherType, payload: Encodable, dest_mac: MacAddr|None = None):
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self.ether_type = ether_type
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self.payload = payload
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self.dest_mac = dest_mac
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def octets(self) -> list[int|None]:
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dest_mac_ = Encodable.get_octets(self.dest_mac, 6)
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return [
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# ethernet frame: <https://en.wikipedia.org/wiki/Ethernet_frame#Structure>
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## dest MAC address (this should be the device's MAC, but i think that's implied?)
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None, None, None, None, None, None,
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dest_mac_[0], dest_mac_[1], dest_mac_[2], dest_mac_[3], dest_mac_[4], dest_mac_[5],
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## src MAC address
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None, None, None, None, None, None,
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## ethertype: <https://en.wikipedia.org/wiki/EtherType#Values>
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@ -99,10 +109,13 @@ class EthernetFrame(Encodable):
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] + self.payload.octets()
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class ArpFrame(Encodable):
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def __init__(self, dest_ip: IpAddr|None):
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def __init__(self, dest_ip: IpAddr|None, dest_mac: MacAddr|None):
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self.dest_ip = dest_ip
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self.dest_mac = dest_mac
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def octets(self) -> list[int|None]:
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dest_ip_ = Encodable.get_octets(self.dest_ip, 4)
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dest_mac_ = Encodable.get_octets(self.dest_mac, 6)
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return [
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# ARP frame: <https://en.wikipedia.org/wiki/Address_Resolution_Protocol#Packet_structure>
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## hardware type
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@ -120,15 +133,22 @@ class ArpFrame(Encodable):
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## sender protocol address
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None, None, None, None,
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## target hardware address
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## this is left as "Don't Care" because the packets we want to match
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## caller is fine to leave this as "Don't Care" (None) because the packets we want to match
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## are those mapping protocol addr -> hw addr.
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## sometimes clients do include this field if they've seen the address before though
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None, None, None, None, None, None,
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## sometimes clients do include this field if they've seen the address before.
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## otherwise clients use the broadcast mac, i.e. [ff::ff]
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dest_mac_[0], dest_mac_[1], dest_mac_[2], dest_mac_[3], dest_mac_[4], dest_mac_[5],
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## target protocol address
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] + Encodable.get_octets(self.dest_ip, 4)
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dest_ip_[0], dest_ip_[1], dest_ip_[2], dest_ip_[3],
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]
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class TcpFrame(Encodable):
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def __init__(self, source_port: Port|None=None, dest_port: Port|None=None, dest_ip: IpAddr|None = None):
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def __init__(
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self,
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source_port: Port|None=None,
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dest_port: Port|None=None,
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dest_ip: IpAddr|None = None,
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):
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self.source_port = source_port
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self.dest_port = dest_port
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self.dest_ip = dest_ip
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@ -171,15 +191,17 @@ def ips_from_str(ip: str|None = None) -> list[IpAddr|None]:
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ips = IpAddr.parse_any(ip) if ip is not None else []
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return ips or [None]
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def build_arp(dest_ip: str|None = None) -> list[EthernetFrame]:
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def build_arp(dest_ip: str|None = None, dest_mac: str|None = None) -> list[EthernetFrame]:
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dest_ips = ips_from_str(dest_ip)
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return [EthernetFrame(EtherType.ARP, ArpFrame(ip)) for ip in dest_ips]
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dest_mac = MacAddr(dest_mac) if dest_mac is not None else None
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return [EthernetFrame(EtherType.ARP, ArpFrame(dest_ip=ip, dest_mac=dest_mac)) for ip in dest_ips]
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def build_tcp(source_port: int|None = None, dest_port: int|None = None, dest_ip: str|None = None) -> list[EthernetFrame]:
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def build_tcp(source_port: int|None = None, dest_port: int|None = None, dest_ip: str|None = None, dest_mac: str|None = None) -> list[EthernetFrame]:
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source_port = Port(source_port) if source_port is not None else None
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dest_port = Port(dest_port) if dest_port is not None else None
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dest_ips = ips_from_str(dest_ip)
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return [EthernetFrame(EtherType.IPv4, TcpFrame(source_port=source_port, dest_port=dest_port, dest_ip=ip)) for ip in dest_ips]
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dest_mac = MacAddr(dest_mac) if dest_mac is not None else None
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return [EthernetFrame(EtherType.IPv4, TcpFrame(source_port=source_port, dest_port=dest_port, dest_ip=ip), dest_mac=dest_mac) for ip in dest_ips]
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def exec_with(executor, args: list[str]):
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logger.debug("invoking: {}".format(' '.join(args)))
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@ -205,12 +227,14 @@ def main():
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arp_parser = subparsers.add_parser('arp', help="wake on ARP request")
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arp_parser.set_defaults(type_='arp')
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arp_parser.add_argument('--dest-ip', help="a.b.c.d or the special 'SELF' for automatic")
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arp_parser.add_argument('--dest-mac', help="ab:cd:...")
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tcp_parser = subparsers.add_parser('tcp', help="wake on TCP packet")
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tcp_parser.set_defaults(type_='tcp')
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tcp_parser.add_argument('--source-port', type=int)
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tcp_parser.add_argument('--dest-port', type=int)
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tcp_parser.add_argument('--dest-ip', help="a.b.c.d or the special 'SELF' for automatic")
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tcp_parser.add_argument('--dest-mac', help="ab:cd:...")
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args = parser.parse_args()
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@ -225,9 +249,9 @@ def main():
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frames = []
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if args.type_ == 'arp':
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frames = build_arp(dest_ip=args.dest_ip)
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frames = build_arp(dest_ip=args.dest_ip, dest_mac=args.dest_mac)
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if args.type_ == 'tcp':
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frames = build_tcp(source_port=args.source_port, dest_port=args.dest_port, dest_ip=args.dest_ip)
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frames = build_tcp(source_port=args.source_port, dest_port=args.dest_port, dest_ip=args.dest_ip, dest_mac=args.dest_mac)
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for frame in frames:
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pattern = str(frame)
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