ETH_P_SNAP = 0x0005 # Internal only ETH_P_DDCMP = 0x0006 # DEC DDCMP: Internal only ETH_P_WAN_PPP = 0x0007 # Dummy type for WAN PPP frames ETH_P_PPP_MP = 0x0008 # Dummy type for PPP MP frames ETH_P_LOCALTALK = 0x0009 # Localtalk pseudo type ETH_P_PPPTALK = 0x0010 # Dummy type for Atalk over PPP ETH_P_TR_802_2 = 0x0011 # 802.2 frames ETH_P_MOBITEX = 0x0015 # Mobitex ([email protected]) ETH_P_CONTROL = 0x0016 # Card specific control frames ETH_P_IRDA = 0x0017 # Linux-IrDA ETH_P_ECONET = 0x0018 # Acorn Econet ETH_P_HDLC = 0x0019 # HDLC frames ETH_P_ARCNET = 0x001A # 1A for ArcNet :-) ## # This is an Ethernet frame header. ## class ethhdr (BigEndianStructure): _pack_ = 1 _fields_ = [ ("dest", c_uint8 * ETH_ALEN), # destination eth addr ("source", c_uint8 * ETH_ALEN), # source ether addr ("proto", c_uint16), # packet type ID field ] __all__ = [ "ethhdr", ] + export_by_prefix("ETH",globals())
ARPOP_InREPLY = 9 # InARP reply
ARPOP_NAK = 10 # (ATM)ARP NAK
## ARP Flag values.
ATF_COM = 0x02 # completed entry (ha valid)
ATF_PERM = 0x04 # permanent entry
ATF_PUBL = 0x08 # publish entry
ATF_USETRAILERS = 0x10 # has requested trailers
ATF_NETMASK = 0x20 # want to use a netmask (only for proxy entries)
ATF_DONTPUB = 0x40 # don't answer this addresses
##
# This structure defines an ethernet arp header.
##
class arphdr (BigEndianStructure):
_fields_ = [
("hrd", c_uint16), # format of hardware address
("pro", c_uint16), # format of protocol address
("hln", c_uint8), # length of hardware address
("pln", c_uint8), # length of protocol address
("op", c_uint16), # ARP opcode (command)
]
__all__ = [
"arphdr",
] + export_by_prefix("ARP",globals()) +\
export_by_prefix("ATF",globals()) +\
export_by_prefix("M_",globals())
iff["LOOPBACK"] = 0x8 # is a loopback net
iff["POINTOPOINT"] = 0x10 # interface is has p-p link
iff["NOTRAILERS"] = 0x20 # avoid use of trailers
iff["RUNNING"] = 0x40 # resources allocated
iff["NOARP"] = 0x80 # no ARP protocol
iff["PROMISC"] = 0x100 # receive all packets
iff["ALLMULTI"] = 0x200 # receive all multicast packets
iff["MASTER"] = 0x400 # master of a load balancer
iff["SLAVE"] = 0x800 # slave of a load balancer
iff["MULTICAST"] = 0x1000# supports multicast
iff["PORTSEL"] = 0x2000# can set media type
iff["AUTOMEDIA"] = 0x4000# auto media select active
iff["DYNAMIC"] = 0x8000# dialup device with changing addresses
export = [ "SIOCGIWNAME" ]
export += export_by_prefix("NDA",globals())
export += export_by_prefix("IF",globals())
export += export_by_prefix("RT",globals())
export += export_by_prefix("M_",globals())
class rtnl_msg_parser(object):
"""
Generic RT Netlink attribute parser
"""
inet = socket(AF_INET,SOCK_DGRAM,0)
tmap = {
"add": {
"address": RTM_NEWADDR,
},
"remove": {
("hdrlen", c_uint8),
("padlen", c_uint8),
("reserved", c_uint8),
]
class IPv4Protocol(GenericProtocol):
def post(self,msg):
msg.hdr.ihl = sizeof(msg.hdr) // 4
msg.hdr.tot_len = sizeof(msg.payload) + sizeof(msg.hdr)
msg.hdr.check = 0
msg.hdr.check = csum(msg.hdr,sizeof(msg.hdr))
return msg
__all__ = [
"IPv4Protocol",
"iphdr",
"ip_beet_phdr",
"ip_comp_hdr",
"ip_esp_hdr",
"ip_auth_hdr",
"iptos_tos",
"iptos_prec",
"ipopt_copied",
"ipopt_class",
"ipopt_number",
"MAXTTL",
"MAX_IPOPTLEN",
] + export_by_prefix("IP",globals())
if not size:
size = sizeof(msg)
sa = sockaddr()
sa.family = AF_NETLINK
sa.pid = 0
self.prepare(msg, size)
l = libc.sendto(self.fd, byref(msg), size, 0, byref(sa), sizeof(sa))
return l
def prepare(self, msg, size=0):
"""
Adjust message header fields before sending
"""
if not size:
size = sizeof(msg)
msg.hdr.length = size
msg.hdr.pid = getpid()
__all__ = [
"nlmsghdr",
"nlmsg",
"attr_msg",
"nl_socket",
"nlattr",
] + export_by_prefix("NL",globals()) + export_by_prefix("NETLINK",globals())
