ProNET_Token_Ring = 4,
Chaos = 5,
IEEE_802 = 6,
ARCNET = 7,
Hyperchannel = 8,
Lanstar = 9,
),
Byte("hardware_address_length"),
Byte("hop_count"),
UBInt32("transaction_id"),
UBInt16("elapsed_time"),
BitStruct("flags",
Flag("boardcast"),
Padding(15),
),
IpAddress("client_addr"),
IpAddress("your_addr"),
IpAddress("server_addr"),
IpAddress("gateway_addr"),
IpAddress("client_addr"),
Bytes("client_hardware_addr", 16),
Bytes("server_host_name", 64),
Bytes("boot_filename", 128),
# BOOTP/DHCP options
# "The first four bytes contain the (decimal) values 99, 130, 83 and 99"
Const(Bytes("magic", 4), six.b("\x63\x82\x53\x63")),
Rename("options", OptionalGreedyRange(dhcp_option)),
)
if __name__ == "__main__":
from construct import *
from ipv4 import IpAddress
echo_payload = Struct(
"echo_payload",
UBInt16("identifier"),
UBInt16("sequence"),
Bytes("data", 32), # length is implementation dependent...
# is anyone using more than 32 bytes?
)
dest_unreachable_payload = Struct(
"dest_unreachable_payload",
Padding(2),
UBInt16("next_hop_mtu"),
IpAddress("host"),
Bytes("echo", 8),
)
dest_unreachable_code = Enum(
Byte("code"),
Network_unreachable_error=0,
Host_unreachable_error=1,
Protocol_unreachable_error=2,
Port_unreachable_error=3,
The_datagram_is_too_big=4,
Source_route_failed_error=5,
Destination_network_unknown_error=6,
Destination_host_unknown_error=7,
Source_host_isolated_error=8,
Desination_administratively_prohibited=9,
Chaos=5,
IEEE_802=6,
ARCNET=7,
Hyperchannel=8,
Lanstar=9,
),
Byte("hardware_address_length"),
Byte("hop_count"),
UBInt32("transaction_id"),
UBInt16("elapsed_time"),
BitStruct(
"flags",
Flag("boardcast"),
Padding(15),
),
IpAddress("client_addr"),
IpAddress("your_addr"),
IpAddress("server_addr"),
IpAddress("relay_addr"),
Bytes("client_hardware_addr", 16),
Bytes("server_host_name", 64),
Bytes("boot_filename", 128),
# BOOTP/DHCP options
# "The first four bytes contain the (decimal) values 99, 130, 83 and 99"
Const(Bytes("magic", 4), b"\x63\x82\x53\x63"),
Rename("options", OptionalGreedyRange(dhcp_option)),
)
if __name__ == "__main__":
test = unhexlify(
six.b("0101060167c05f5a00000000"