# Process Punt signal message from another data-plane (snabb).
#
if (lisp.lisp_ipc_data_plane and lisp_ipc_punt_socket in ready_list):
lisp.lisp_process_punt(lisp_ipc_punt_socket, lisp_send_sockets,
lisp_ephem_port)
#endif
#
# Process Map-Reply messages received on ephemeral port.
#
if (lisp_ephem_listen_socket in ready_list):
opcode, source, port, packet = lisp.lisp_receive(ephem_sockets[0],
False)
if (source == ""): break
if (lisp.lisp_is_rloc_probe_reply(packet[0])):
lisp.lprint("ITR ignoring RLOC-probe reply, using pcap")
continue
#endif
lisp.lisp_parse_packet(ephem_sockets, packet, source, port)
#endif
#
# Process Info-Reply messages received on NAT ephemeral port.
#
if (lisp_ephem_nat_socket in ready_list):
opcode, source, port, packet = lisp.lisp_receive(ephem_nat_sockets[0],
False)
if (source == ""): break
if (lisp.lisp_is_rloc_probe_reply(packet[0])):
def O0O(lisp_packet, thread_name):
global II1iII1i, i1I1I, iiI1I
global iiI1iIiI, OOo
if 12 - 12: i11iIiiIii - i1IIi - OoO0O00.i1IIi - OOooOOo + O0
oO0OOOO0 = lisp_packet
if 26 - 26: Ii1I
if 35 - 35: Ii1I - I1IiiI % o0oOOo0O0Ooo.OoooooooOO % Ii1I
if 47 - 47: iII111i - Ii1I.II111iiii + OoooooooOO.i11iIiiIii
if 94 - 94: o0oOOo0O0Ooo * Ii1I / Oo0Ooo / Ii1I
oO0 = oO0OOOO0.packet
O0OO0O = oO0
O0OO0O, OO, IIIIii, OoOoO = lisp.lisp_is_rloc_probe(O0OO0O, -1)
if (oO0 != O0OO0O):
if (OO == None): return
lisp.lisp_parse_packet(II1iII1i, O0OO0O, OO, IIIIii, OoOoO)
return
if 43 - 43: i11iIiiIii + Oo0Ooo * II111iiii * I1Ii111 * O0
if 64 - 64: OOooOOo % iIii1I11I1II1 * oO0o
if 79 - 79: O0
if 78 - 78: I1ii11iIi11i + OOooOOo - I1Ii111
if 38 - 38: o0oOOo0O0Ooo - oO0o + iIii1I11I1II1 / OoOoOO00 % Oo0Ooo
oO0OOOO0.packet = lisp.lisp_reassemble(oO0OOOO0.packet)
if (oO0OOOO0.packet == None): return
if 57 - 57: OoO0O00 / ooOoO0o
if 29 - 29: iIii1I11I1II1 + OoOoOO00 * OoO0O00 * OOooOOo.I1IiiI * I1IiiI
if 7 - 7: IiII * I1Ii111 % Ii1I - o0oOOo0O0Ooo
if 13 - 13: Ii1I.i11iIiiIii
if 56 - 56: I1ii11iIi11i % O0 - I1IiiI
if (lisp.lisp_flow_logging): oO0OOOO0 = copy.deepcopy(oO0OOOO0)
if 100 - 100: Ii1I - O0 % oO0o * OOooOOo + I1IiiI
if (oO0OOOO0.decode(True, None, lisp.lisp_decap_stats) == None): return
if 88 - 88: OoooooooOO - OoO0O00 * O0 * OoooooooOO.OoooooooOO
if 33 - 33: I1Ii111 + iII111i * oO0o / iIii1I11I1II1 - I1IiiI
if 54 - 54: I1Ii111 / OOooOOo.oO0o % iII111i
if 57 - 57: i11iIiiIii.I1ii11iIi11i - Ii1I - oO0o + OoOoOO00
oO0OOOO0.print_packet("Receive-({})".format(thread_name), True)
if 63 - 63: OoOoOO00 * iII111i
if 69 - 69: O0.OoO0O00
if 49 - 49: I1IiiI - I11i
if 74 - 74:
iIii1I11I1II1 * I1ii11iIi11i + OoOoOO00 / i1IIi / II111iiii.Oo0Ooo
oO0OOOO0.strip_outer_headers()
if 62 - 62: OoooooooOO * I1IiiI
if 58 - 58: OoOoOO00 % o0oOOo0O0Ooo
if 50 - 50: I1Ii111.o0oOOo0O0Ooo
if 97 - 97: O0 + OoOoOO00
if 89 - 89: o0oOOo0O0Ooo + OoO0O00 * I11i * Ii1I
if 37 - 37: OoooooooOO - O0 - o0oOOo0O0Ooo
if 77 - 77: OOooOOo * iIii1I11I1II1
if 98 - 98: I1IiiI % Ii1I * OoooooooOO
if 51 - 51: iIii1I11I1II1.OoOoOO00 / oO0o + o0oOOo0O0Ooo
if 33 - 33: ooOoO0o.II111iiii % iII111i + o0oOOo0O0Ooo
if 71 - 71: Oo0Ooo % OOooOOo
if (oO0OOOO0.lisp_header.get_instance_id() == 0xffffff):
O00oO000O0O = lisp.lisp_control_header()
O00oO000O0O.decode(oO0OOOO0.packet)
if (O00oO000O0O.is_info_request()):
I1i1i1iii = lisp.lisp_info()
I1i1i1iii.decode(oO0OOOO0.packet)
I1i1i1iii.print_info()
if 16 - 16: Ii1I + IiII * O0 % i1IIi.I1IiiI
if 67 - 67: OoooooooOO / I1IiiI * Ii1I + I11i
if 65 - 65: OoooooooOO - I1ii11iIi11i / ooOoO0o / II111iiii / i1IIi
if 71 - 71: I1Ii111 + Ii1I
if 28 - 28: OOooOOo
I11ii1IIiIi = I1i1i1iii.hostname if (
I1i1i1iii.hostname != None) else ""
OoOOo0OOoO = oO0OOOO0.outer_source
ooO0O00Oo0o = oO0OOOO0.udp_sport
if (lisp.lisp_store_nat_info(I11ii1IIiIi, OoOOo0OOoO,
ooO0O00Oo0o)):
i1I1iI1iIi111i(II1iII1i, I11ii1IIiIi, OoOOo0OOoO, ooO0O00Oo0o)
if 65 - 65:
I1ii11iIi11i.I11i - I1Ii111 * IiII / I1Ii111 / ooOoO0o
else:
OO = oO0OOOO0.outer_source.print_address_no_iid()
OoOoO = oO0OOOO0.outer_ttl
oO0OOOO0 = oO0OOOO0.packet
if (lisp.lisp_is_rloc_probe_request(oO0OOOO0[28]) == False
and lisp.lisp_is_rloc_probe_reply(oO0OOOO0[28]) == False):
OoOoO = -1
oO0OOOO0 = oO0OOOO0[28::]
lisp.lisp_parse_packet(II1iII1i, oO0OOOO0, OO, 0, OoOoO)
if 40 - 40: ooOoO0o * IiII * i11iIiiIii
return
if 57 - 57: ooOoO0o
if 29 - 29:
OoOoOO00 - IiII * OoooooooOO + OoooooooOO.II111iiii + OoooooooOO
if 74 - 74: Ii1I - IiII / iII111i * O0 - OOooOOo
if 19 - 19: I1IiiI
if 25 - 25: Ii1I / ooOoO0o
if 31 - 31: OOooOOo.O0 % I1IiiI.o0oOOo0O0Ooo + IiII
if (lisp.lisp_ipc_data_plane):
lisp.dprint("Drop packet, external data-plane active")
return
if 71 - 71: I1Ii111.II111iiii
if 62 - 62: OoooooooOO.I11i
if 61 - 61: OoOoOO00 - OOooOOo - i1IIi
if 25 - 25: O0 * I11i + I1ii11iIi11i.o0oOOo0O0Ooo.o0oOOo0O0Ooo
if 58 - 58: I1IiiI
lisp.lisp_decap_stats["good-packets"].increment(len(oO0OOOO0.packet))
if 53 - 53: i1IIi
if 59 - 59: o0oOOo0O0Ooo
if 81 - 81: OoOoOO00 - OoOoOO00.iII111i
if 73 - 73: I11i % i11iIiiIii - I1IiiI
if (oO0OOOO0.inner_dest.is_mac()):
oO0OOOO0.packet = lisp.lisp_mac_input(oO0OOOO0.packet)
if (oO0OOOO0.packet == None): return
oO0OOOO0.encap_port = lisp.LISP_VXLAN_DATA_PORT
elif (oO0OOOO0.inner_version == 4):
oO0OOOO0.packet = lisp.lisp_ipv4_input(oO0OOOO0.packet)
if (oO0OOOO0.packet == None): return
oO0OOOO0.inner_ttl = oO0OOOO0.outer_ttl
elif (oO0OOOO0.inner_version == 6):
oO0OOOO0.packet = lisp.lisp_ipv6_input(oO0OOOO0)
if (oO0OOOO0.packet == None): return
oO0OOOO0.inner_ttl = oO0OOOO0.outer_ttl
else:
lisp.dprint("Cannot parse inner packet header")
return
if 7 - 7: O0 * i11iIiiIii * Ii1I + ooOoO0o % OoO0O00 - ooOoO0o
if 39 - 39:
Oo0Ooo * OOooOOo % OOooOOo - OoooooooOO + o0oOOo0O0Ooo - I11i
if 23 - 23: i11iIiiIii
if 30 - 30: o0oOOo0O0Ooo - i1IIi % II111iiii + I11i * iIii1I11I1II1
if 81 - 81: IiII % i1IIi.iIii1I11I1II1
Ii1Iii1iIi = lisp.lisp_map_cache_lookup(oO0OOOO0.inner_source,
oO0OOOO0.inner_dest)
if 82 - 82: I1ii11iIi11i / I1IiiI % iIii1I11I1II1 / i1IIi - I1IiiI
if 7 - 7: I1Ii111 * OoO0O00 - ooOoO0o + OOooOOo * I1IiiI % OoO0O00
if 15 - 15: OoOoOO00 % I1IiiI * I11i
if 81 - 81: ooOoO0o - iIii1I11I1II1 - i1IIi / I1Ii111 - O0 * I11i
if 20 - 20: oO0o % IiII
if (Ii1Iii1iIi and (Ii1Iii1iIi.action == lisp.LISP_NATIVE_FORWARD_ACTION
or Ii1Iii1iIi.eid.address == 0)):
III1i1i11i = lisp.lisp_db_for_lookups.lookup_cache(
oO0OOOO0.inner_source, False)
if (III1i1i11i and III1i1i11i.secondary_iid):
oOo0 = oO0OOOO0.inner_dest
oOo0.instance_id = III1i1i11i.secondary_iid
Ii1Iii1iIi = lisp.lisp_map_cache_lookup(oO0OOOO0.inner_source,
oOo0)
if 56 - 56: o0oOOo0O0Ooo + II111iiii + OoOoOO00 - ooOoO0o.OoOoOO00
if 84 - 84:
OoO0O00 + i1IIi - II111iiii.I1ii11iIi11i * OoooooooOO + I1IiiI
if 38 - 38:
OOooOOo + II111iiii % ooOoO0o % OoOoOO00 - Ii1I / OoooooooOO
if 73 - 73: o0oOOo0O0Ooo * O0 - i11iIiiIii
if 85 - 85: Ii1I % iII111i + I11i / o0oOOo0O0Ooo.oO0o + OOooOOo
if 62 - 62: i11iIiiIii + i11iIiiIii - o0oOOo0O0Ooo
if (Ii1Iii1iIi == None
or Ii1Iii1iIi.action == lisp.LISP_SEND_MAP_REQUEST_ACTION):
if (lisp.lisp_rate_limit_map_request(oO0OOOO0.inner_source,
oO0OOOO0.inner_dest)):
return
lisp.lisp_send_map_request(II1iII1i, II1Ii1iI1i, oO0OOOO0.inner_source,
oO0OOOO0.inner_dest, None)
return
if 28 - 28:
iII111i.iII111i % iIii1I11I1II1 * iIii1I11I1II1.o0oOOo0O0Ooo / iII111i
if 27 - 27: OoO0O00 + ooOoO0o - i1IIi
if 69 - 69: IiII - O0 % I1ii11iIi11i + i11iIiiIii.OoOoOO00 / OoO0O00
if 79 - 79: O0 * i11iIiiIii - IiII / IiII
if 48 - 48: O0
if 93 - 93: i11iIiiIii - I1IiiI * I1ii11iIi11i * I11i % O0 + OoooooooOO
if (Ii1Iii1iIi and Ii1Iii1iIi.is_active()
and Ii1Iii1iIi.has_ttl_elapsed()):
lisp.lprint("Refresh map-cache entry {}".format(
lisp.green(Ii1Iii1iIi.print_eid_tuple(), False)))
if 25 - 25: IiII + Ii1I / ooOoO0o.o0oOOo0O0Ooo % O0 * OoO0O00
lisp.lisp_send_map_request(II1iII1i, II1Ii1iI1i, oO0OOOO0.inner_source,
oO0OOOO0.inner_dest, None)
if 84 - 84: ooOoO0o % Ii1I + i11iIiiIii
if 28 - 28: Oo0Ooo + OoO0O00 * OOooOOo % oO0o.I11i % O0
if 16 - 16: I11i - iIii1I11I1II1 / I1IiiI.II111iiii + iIii1I11I1II1
if 19 - 19: OoO0O00 - Oo0Ooo.O0
if 60 - 60: II111iiii + Oo0Ooo
if 9 - 9:
ooOoO0o * OoooooooOO - iIii1I11I1II1 + OoOoOO00 / OoO0O00.OoO0O00
Ii1Iii1iIi.stats.increment(len(oO0OOOO0.packet))
if 49 - 49: II111iiii
if 25 - 25: OoooooooOO - I1IiiI.I1IiiI * oO0o
if 81 - 81: iII111i + IiII
if 98 - 98: I1IiiI
o00o0, II1I, II1I1I1Ii, OOOOoO00o0O, I1I1I1IIi1III = Ii1Iii1iIi.select_rloc(
oO0OOOO0, None)
if 5 - 5:
Oo0Ooo % ooOoO0o % i11iIiiIii + o0oOOo0O0Ooo / I1ii11iIi11i - I1ii11iIi11i
if (o00o0 == None and I1I1I1IIi1III == None):
if (OOOOoO00o0O == lisp.LISP_NATIVE_FORWARD_ACTION):
lisp.dprint("Natively forwarding")
oO0OOOO0.send_packet(iiI1iIiI, oO0OOOO0.inner_dest)
return
if 45 - 45: I1ii11iIi11i % I1IiiI - i11iIiiIii
lisp.dprint("No reachable RLOCs found")
return
if 11 - 11: iIii1I11I1II1 * iIii1I11I1II1 * I1IiiI
if (o00o0 and o00o0.is_null()):
lisp.dprint("Drop action RLOC found")
return
if 46 - 46: OoOoOO00 + OoO0O00
if 70 - 70: iII111i / iIii1I11I1II1
if 85 - 85: OoooooooOO % i1IIi * OoooooooOO / I1ii11iIi11i
if 96 - 96: OoooooooOO + oO0o
if 44 - 44: oO0o
oO0OOOO0.outer_tos = oO0OOOO0.inner_tos
oO0OOOO0.outer_ttl = oO0OOOO0.inner_ttl
if 20 - 20: I11i + Ii1I / O0 % iIii1I11I1II1
if 88 - 88: OoOoOO00 / II111iiii
if 87 - 87: I1ii11iIi11i - I1ii11iIi11i - iII111i + oO0o
if 82 - 82: oO0o / iIii1I11I1II1.I1IiiI.OOooOOo / o0oOOo0O0Ooo
if (o00o0):
oO0OOOO0.encap_port = II1I
if (II1I == 0): oO0OOOO0.encap_port = lisp.LISP_DATA_PORT
oO0OOOO0.outer_dest.copy_address(o00o0)
iiI1I1 = oO0OOOO0.outer_dest.afi_to_version()
oO0OOOO0.outer_version = iiI1I1
ooO = lisp.lisp_myrlocs[0] if (iiI1I1 == 4) else lisp.lisp_myrlocs[1]
if 6 - 6: iIii1I11I1II1.ooOoO0o % o0oOOo0O0Ooo
oO0OOOO0.outer_source.copy_address(ooO)
if 50 - 50: iII111i + O0 + Ii1I.II111iiii / o0oOOo0O0Ooo
if 17 - 17: Ii1I % iIii1I11I1II1 - iIii1I11I1II1
if 78 - 78: iII111i + I11i.ooOoO0o - iII111i.Ii1I
if 30 - 30: I1IiiI + OoO0O00 % Ii1I * iII111i / Oo0Ooo - I11i
if (oO0OOOO0.encode(II1I1I1Ii) == None): return
if (len(oO0OOOO0.packet) <= 1500): oO0OOOO0.print_packet("Send", True)
if 64 - 64: iIii1I11I1II1
if 21 - 21: Oo0Ooo.II111iiii
if 54 - 54: II111iiii % II111iiii
if 86 - 86: O0 % Ii1I * ooOoO0o * iIii1I11I1II1 * i1IIi * I11i
OOOoOOO0oO = OOo if iiI1I1 == 6 else iiI1iIiI
oO0OOOO0.send_packet(OOOoOOO0oO, oO0OOOO0.outer_dest)
if 28 - 28: ooOoO0o + i11iIiiIii / I11i % OoOoOO00 % Oo0Ooo - O0
elif (I1I1I1IIi1III):
if 54 - 54: i1IIi + II111iiii
if 83 - 83: I1ii11iIi11i - I1IiiI + OOooOOo
if 5 - 5: Ii1I
if 46 - 46: IiII
ii1iIi1iIiI1i = len(oO0OOOO0.packet)
for iiI1iIii1i in I1I1I1IIi1III.rle_forwarding_list:
oO0OOOO0.outer_dest.copy_address(iiI1iIii1i.address)
oO0OOOO0.encap_port = lisp.LISP_DATA_PORT if iiI1iIii1i.translated_port == 0 else iiI1iIii1i.translated_port
if 70 - 70: OoO0O00 * O0.I11i + I1IiiI.IiII
if 14 - 14:
iIii1I11I1II1 % iIii1I11I1II1 * i11iIiiIii - OoO0O00 - I11i
iiI1I1 = oO0OOOO0.outer_dest.afi_to_version()
oO0OOOO0.outer_version = iiI1I1
ooO = lisp.lisp_myrlocs[0] if (iiI1I1
== 4) else lisp.lisp_myrlocs[1]
if 63 - 63: OoO0O00
oO0OOOO0.outer_source.copy_address(ooO)
if 69 - 69:
iIii1I11I1II1.I1ii11iIi11i % ooOoO0o + iIii1I11I1II1 / O0 / I1ii11iIi11i
if (oO0OOOO0.encode(None) == None): return
if 61 - 61: OOooOOo % OOooOOo * o0oOOo0O0Ooo / o0oOOo0O0Ooo
oO0OOOO0.print_packet("Replicate-to-L{}".format(iiI1iIii1i.level),
True)
oO0OOOO0.send_packet(iiI1iIiI, oO0OOOO0.outer_dest)
if 75 - 75: IiII.ooOoO0o
if 50 - 50: OoOoOO00
if 60 - 60: ooOoO0o * iIii1I11I1II1 * I1ii11iIi11i * Oo0Ooo
if 69 - 69: Ii1I * O0.i11iIiiIii / Ii1I.o0oOOo0O0Ooo
if 63 - 63: I11i + o0oOOo0O0Ooo.II111iiii - I1IiiI
oOOO00o000o = len(oO0OOOO0.packet) - ii1iIi1iIiI1i
oO0OOOO0.packet = oO0OOOO0.packet[oOOO00o000o::]
if 9 - 9: oO0o + I11i / I11i
if (lisp.lisp_flow_logging): oO0OOOO0 = copy.deepcopy(oO0OOOO0)
if 12 - 12: OoooooooOO % o0oOOo0O0Ooo * I11i % iIii1I11I1II1 / Ii1I
if 27 - 27: i11iIiiIii % II111iiii % I11i.O0 - Oo0Ooo + OoOoOO00
if 57 - 57: iIii1I11I1II1 / I11i - i1IIi
if 51 - 51: IiII
if 25 - 25: OoooooooOO + IiII * I1ii11iIi11i
if 92 - 92: I1IiiI + I11i + O0 / o0oOOo0O0Ooo + I1Ii111
del (oO0OOOO0)
return
if 18 - 18: ooOoO0o * OoOoOO00.iII111i / I1ii11iIi11i / i11iIiiIii
if 21 - 21: oO0o / I1ii11iIi11i + Ii1I + OoooooooOO
if 91 - 91: i11iIiiIii / i1IIi + iII111i + ooOoO0o * i11iIiiIii
if 66 - 66: iIii1I11I1II1 % i1IIi - O0 + I11i * I1Ii111.IiII
if 52 - 52: ooOoO0o + O0.iII111i.I1ii11iIi11i.OoO0O00
if 97 - 97: I1IiiI / iII111i
if 71 - 71: II111iiii / i1IIi.I1ii11iIi11i % OoooooooOO.OoOoOO00
def lisp_rtr_data_plane(lisp_packet, thread_name):
global lisp_send_sockets, lisp_ephem_prot, lisp_data_packet
global lisp_raw_socket, lisp_raw_v6_socket
packet = lisp_packet
#
# Check RLOC-probe Map-Request. We need to grab the TTL from IP header.
#
orig_pkt = packet.packet
pkt = orig_pkt
pkt, source, port, ttl = lisp.lisp_is_rloc_probe(pkt, -1)
if (orig_pkt != pkt):
if (source == None): return
lisp.lisp_parse_packet(lisp_send_sockets, pkt, source, port, ttl)
return
#endif
#
# First check if we are assembling IPv4 fragments.
#
packet.packet = lisp.lisp_reassemble(packet.packet)
if (packet.packet == None): return
#
# We need to cache the input encapsualted packet as well as the output
# encapsulated packet.
#
if (lisp.lisp_flow_logging): packet = copy.deepcopy(packet)
if (packet.decode(True, None, lisp.lisp_decap_stats) == None): return
#
# Print some useful header fields and strip outer headers..
#
packet.print_packet("Receive-({})".format(thread_name), True)
#
# Strip outer headers and start inner header forwarding logic.
#
packet.strip_outer_headers()
#
# If instance-id is 0xffffff, this is a Info-Request packet encapsulated
# to port 4341. We need to store the source port and source RLOC for
# NAT-traversal reasons.
#
# We don't need to send an Info-Reply from the 4341 data port. There is no
# information the xTR needs. It has the translated address from the
# map-server, and the NAT is ready for packets from port 4341 since we
# received this Info-Request.
#
if (packet.lisp_header.get_instance_id() == 0xffffff):
header = lisp.lisp_control_header()
header.decode(packet.packet)
if (header.is_info_request()):
info = lisp.lisp_info()
info.decode(packet.packet)
info.print_info()
#
# Store/refresh NAT state and Fix map-cache entries if there was
# a change.
#
h = info.hostname if (info.hostname != None) else ""
s = packet.outer_source
p = packet.udp_sport
if (lisp.lisp_store_nat_info(h, s, p)):
lisp_fix_rloc_encap_state(lisp_send_sockets, h, s, p)
#endif
else:
source = packet.outer_source.print_address_no_iid()
ttl = packet.outer_ttl
packet = packet.packet
if (lisp.lisp_is_rloc_probe_request(packet[28]) == False and
lisp.lisp_is_rloc_probe_reply(packet[28]) == False): ttl = -1
packet = packet[28::]
lisp.lisp_parse_packet(lisp_send_sockets, packet, source, 0, ttl)
#endif
return
#endif
#
# Packets are arriving on pcap interface. Need to check if another data-
# plane is running. If so, don't deliver duplicates.
#
if (lisp.lisp_ipc_data_plane):
lisp.dprint("Drop packet, external data-plane active")
return
#endif
#
# Increment global stats.
#
lisp.lisp_decap_stats["good-packets"].increment(len(packet.packet))
#
# Process inner header (checksum and decrement ttl).
#
if (packet.inner_dest.is_mac()):
packet.packet = lisp.lisp_mac_input(packet.packet)
if (packet.packet == None): return
packet.encap_port = lisp.LISP_VXLAN_DATA_PORT
elif (packet.inner_version == 4):
packet.packet = lisp.lisp_ipv4_input(packet.packet)
if (packet.packet == None): return
packet.inner_ttl = packet.outer_ttl
elif (packet.inner_version == 6):
packet.packet = lisp.lisp_ipv6_input(packet)
if (packet.packet == None): return
packet.inner_ttl = packet.outer_ttl
else:
lisp.dprint("Cannot parse inner packet header")
return
#endif
#
# Process decap node trace function.
#
if (packet.is_trace()):
if (lisp.lisp_trace_append(packet, "decap") == False): return
packet.outer_source.afi = lisp.LISP_AFI_NONE
packet.outer_dest.afi = lisp.LISP_AFI_NONE
#endif
#
# Do map-cache lookup. If no entry found, send Map-Request.
#
mc = lisp.lisp_map_cache_lookup(packet.inner_source, packet.inner_dest)
#
# Check if we are doing secondary-instance-ids only when we have a
# map-cache entry in the IID that is possibly a non-LISP site.
#
if (mc and (mc.action == lisp.LISP_NATIVE_FORWARD_ACTION or
mc.eid.address == 0)):
db = lisp.lisp_db_for_lookups.lookup_cache(packet.inner_source, False)
if (db and db.secondary_iid):
dest_eid = packet.inner_dest
dest_eid.instance_id = db.secondary_iid
mc = lisp.lisp_map_cache_lookup(packet.inner_source, dest_eid)
#endif
#endif
#
# Map-cache lookup miss.
#
if (mc == None or mc.action == lisp.LISP_SEND_MAP_REQUEST_ACTION):
if (lisp.lisp_rate_limit_map_request(packet.inner_source,
packet.inner_dest)): return
lisp.lisp_send_map_request(lisp_send_sockets, lisp_ephem_port,
packet.inner_source, packet.inner_dest, None)
if (packet.is_trace()): lisp.lisp_trace_append(packet)
return
#endif
#
# Send Map-Request to see if there is a RLOC change or to refresh an
# entry that is about to time out.
#
if (mc and mc.is_active() and mc.has_ttl_elapsed()):
lisp.lprint("Refresh map-cache entry {}".format( \
lisp.green(mc.print_eid_tuple(), False)))
lisp.lisp_send_map_request(lisp_send_sockets, lisp_ephem_port,
packet.inner_source, packet.inner_dest, None)
#endif
#
# Update stats for entry. Stats per RLOC is done in lisp_mapping.select_
# rloc().
#
mc.stats.increment(len(packet.packet))
#
# Encapsulate or native forward packet.
#
dest_rloc, dest_port, nonce, action, rle = mc.select_rloc(packet, None)
if (dest_rloc == None and rle == None):
if (action == lisp.LISP_NATIVE_FORWARD_ACTION):
lisp.dprint("Natively forwarding")
packet.send_packet(lisp_raw_socket, packet.inner_dest)
if (packet.is_trace()): lisp.lisp_trace_append(packet)
return
#endif
lisp.dprint("No reachable RLOCs found")
if (packet.is_trace()): lisp.lisp_trace_append(packet)
return
#endif
if (dest_rloc and dest_rloc.is_null()):
lisp.dprint("Drop action RLOC found")
if (packet.is_trace()): lisp.lisp_trace_append(packet)
return
#endif
#
# Setup outer header for either unicast or multicast transmission..
#
packet.outer_tos = packet.inner_tos
packet.outer_ttl = packet.inner_ttl
#
# Do unicast encapsulation.
#
if (dest_rloc):
packet.encap_port = dest_port
if (dest_port == 0): packet.encap_port = lisp.LISP_DATA_PORT
packet.outer_dest.copy_address(dest_rloc)
version = packet.outer_dest.afi_to_version()
packet.outer_version = version
source_rloc = lisp.lisp_myrlocs[0] if (version == 4) else \
lisp.lisp_myrlocs[1]
packet.outer_source.copy_address(source_rloc)
if (packet.is_trace()):
if (lisp.lisp_trace_append(packet) == False): return
#endif
#
# Encode new LISP, UDP, and outer header.
#
if (packet.encode(nonce) == None): return
if (len(packet.packet) <= 1500): packet.print_packet("Send", True)
#
# Send out on raw socket.
#
raw_socket = lisp_raw_v6_socket if version == 6 else lisp_raw_socket
packet.send_packet(raw_socket, packet.outer_dest)
elif (rle):
#
# Do replication of RLE is returned.
#
orig_len = len(packet.packet)
for node in rle.rle_forwarding_list:
packet.outer_dest.copy_address(node.address)
packet.encap_port = lisp.LISP_DATA_PORT if \
node.translated_port == 0 else node.translated_port
version = packet.outer_dest.afi_to_version()
packet.outer_version = version
source_rloc = lisp.lisp_myrlocs[0] if (version == 4) else \
lisp.lisp_myrlocs[1]
packet.outer_source.copy_address(source_rloc)
if (packet.is_trace()):
if (lisp.lisp_trace_append(packet) == False): return
#endif
if (packet.encode(None) == None): return
packet.print_packet("Replicate-to-L{}".format(node.level), True)
packet.send_packet(lisp_raw_socket, packet.outer_dest)
#
# We need to strip the encapsulation header so we can add a new
# one for the next replication.
#
strip_len = len(packet.packet) - orig_len
packet.packet = packet.packet[strip_len::]
if (lisp.lisp_flow_logging): packet = copy.deepcopy(packet)
#endfor
#endif
#
# Don't need packet structure anymore.
#
del(packet)
return
if (lisp.lisp_ipc_data_plane and Oo0oO0oo0oO00 in OoOo):
lisp.lisp_process_punt(Oo0oO0oo0oO00, II1iII1i, II1Ii1iI1i)
if 49 - 49: OOooOOo.I1ii11iIi11i.i11iIiiIii - II111iiii / Ii1I
if 62 - 62: OOooOOo
if 1 - 1: IiII / IiII - i11iIiiIii
if 87 - 87: Oo0Ooo / O0 * IiII / o0oOOo0O0Ooo
if 19 - 19: I1Ii111 + i1IIi.I1IiiI - Oo0Ooo
if (i111I in OoOo):
iIi1I1, OO, IIIIii, oO0OOOO0 = lisp.lisp_receive(oO00oOOo0Oo[0], False)
if (OO == ""): break
if (lisp.lisp_is_rloc_probe_request(oO0OOOO0[0])):
lisp.lprint("RTR ignoring RLOC-probe request, using pcap")
continue
if 63 - 63:
iII111i * I1ii11iIi11i.OoooooooOO / OOooOOo * Oo0Ooo.ooOoO0o
if (lisp.lisp_is_rloc_probe_reply(oO0OOOO0[0])):
lisp.lprint("RTR ignoring RLOC-probe reply, using pcap")
continue
if 62 - 62: i1IIi / ooOoO0o.I1IiiI * o0oOOo0O0Ooo
lisp.lisp_parse_packet(oO00oOOo0Oo, oO0OOOO0, OO, IIIIii)
if 21 - 21: o0oOOo0O0Ooo
if 81 - 81:
I11i / iIii1I11I1II1 - ooOoO0o * I1Ii111.I1IiiI * I1ii11iIi11i
if 95 - 95: I1IiiI
if 88 - 88: IiII % OoO0O00 + I1Ii111 + I1Ii111 * II111iiii
if 78 - 78: OoooooooOO
if 77 - 77: I1ii11iIi11i / i1IIi / Oo0Ooo % OOooOOo
if (oO0oIIII in OoOo):
iIi1I1, OO, IIIIii, oO0OOOO0 = lisp.lisp_receive(oO0oIIII, True)
if 48 - 48: I11i - IiII + iIii1I11I1II1 + OoooooooOO
if (OO == ""): break
