Gecko [ tsuru-no-tsurugi.tokyo ]

Name	Size	Permission	Date
data	[ DIR ]	drwxr-xr-x	2024-08-29 14:21
afp.lua	71.48 KB	-rw-r--r--	2023-01-13 02:40
ajp.lua	16.77 KB	-rw-r--r--	2023-01-13 02:40
amqp.lua	10.41 KB	-rw-r--r--	2023-01-13 02:40
anyconnect.lua	4.31 KB	-rw-r--r--	2023-01-13 02:40
asn1.lua	14.57 KB	-rw-r--r--	2023-01-13 02:40
base32.lua	7.36 KB	-rw-r--r--	2023-01-13 02:40
base64.lua	5.83 KB	-rw-r--r--	2023-01-13 02:40
bin.lua	12.99 KB	-rw-r--r--	2023-01-13 02:40
bitcoin.lua	18.25 KB	-rw-r--r--	2023-01-13 02:40
bits.lua	2.54 KB	-rw-r--r--	2023-01-13 02:40
bittorrent.lua	35.76 KB	-rw-r--r--	2023-01-13 02:40
bjnp.lua	9.55 KB	-rw-r--r--	2023-01-13 02:40
brute.lua	50.64 KB	-rw-r--r--	2023-01-13 02:40
cassandra.lua	5.48 KB	-rw-r--r--	2023-01-13 02:40
citrixxml.lua	16 KB	-rw-r--r--	2023-01-13 02:40
coap.lua	75.1 KB	-rw-r--r--	2023-01-13 02:40
comm.lua	11.03 KB	-rw-r--r--	2023-01-13 02:40
creds.lua	18.26 KB	-rw-r--r--	2023-01-13 02:40
cvs.lua	3.05 KB	-rw-r--r--	2023-01-13 02:40
datafiles.lua	11.05 KB	-rw-r--r--	2023-01-13 02:40
datetime.lua	7.5 KB	-rw-r--r--	2023-01-13 02:40
dhcp.lua	28.57 KB	-rw-r--r--	2023-01-13 02:40
dhcp6.lua	19.86 KB	-rw-r--r--	2023-01-13 02:40
dns.lua	51.07 KB	-rw-r--r--	2023-01-13 02:40
dnsbl.lua	19.01 KB	-rw-r--r--	2023-01-13 02:40
dnssd.lua	12.61 KB	-rw-r--r--	2023-01-13 02:40
drda.lua	24.08 KB	-rw-r--r--	2023-01-13 02:40
eap.lua	7.54 KB	-rw-r--r--	2023-01-13 02:40
eigrp.lua	12.98 KB	-rw-r--r--	2023-01-13 02:40
formulas.lua	5.68 KB	-rw-r--r--	2023-01-13 02:40
ftp.lua	9.03 KB	-rw-r--r--	2023-01-13 02:40
geoip.lua	1.71 KB	-rw-r--r--	2023-01-13 02:40
giop.lua	18.42 KB	-rw-r--r--	2023-01-13 02:40
gps.lua	3.38 KB	-rw-r--r--	2023-01-13 02:40
http.lua	117.07 KB	-rw-r--r--	2023-01-13 02:40
httpspider.lua	36.65 KB	-rw-r--r--	2023-01-13 02:40
iax2.lua	9.58 KB	-rw-r--r--	2023-01-13 02:40
idna.lua	17.14 KB	-rw-r--r--	2023-01-13 02:40
ike.lua	14.63 KB	-rw-r--r--	2023-01-13 02:40
imap.lua	9.59 KB	-rw-r--r--	2023-01-13 02:40
informix.lua	39.93 KB	-rw-r--r--	2023-01-13 02:40
ipOps.lua	29.06 KB	-rw-r--r--	2023-01-13 02:40
ipmi.lua	8.08 KB	-rw-r--r--	2023-01-13 02:40
ipp.lua	12.57 KB	-rw-r--r--	2023-01-13 02:40
irc.lua	757 B	-rw-r--r--	2023-01-13 02:40
iscsi.lua	21.38 KB	-rw-r--r--	2023-01-13 02:40
isns.lua	14.98 KB	-rw-r--r--	2023-01-13 02:40
jdwp.lua	43.52 KB	-rw-r--r--	2023-01-13 02:40
json.lua	11.62 KB	-rw-r--r--	2023-01-13 02:40
knx.lua	2.42 KB	-rw-r--r--	2023-01-13 02:40
ldap.lua	31.94 KB	-rw-r--r--	2023-01-13 02:40
lfs.luadoc	1.68 KB	-rw-r--r--	2023-01-13 02:40
libssh2-utility.lua	4.69 KB	-rw-r--r--	2023-01-13 02:40
libssh2.luadoc	4.75 KB	-rw-r--r--	2023-01-13 02:40
listop.lua	4.66 KB	-rw-r--r--	2023-01-13 02:40
lpeg-utility.lua	5.64 KB	-rw-r--r--	2023-01-13 02:40
lpeg.luadoc	351 B	-rw-r--r--	2023-01-13 02:40
ls.lua	10.96 KB	-rw-r--r--	2023-01-13 02:40
match.lua	2.05 KB	-rw-r--r--	2023-01-13 02:40
membase.lua	9.93 KB	-rw-r--r--	2023-01-13 02:40
mobileme.lua	8.46 KB	-rw-r--r--	2023-01-13 02:40
mongodb.lua	21.3 KB	-rw-r--r--	2023-01-13 02:40
mqtt.lua	28.86 KB	-rw-r--r--	2023-01-13 02:40
msrpc.lua	190.07 KB	-rw-r--r--	2023-01-13 02:40
msrpcperformance.lua	29.65 KB	-rw-r--r--	2023-01-13 02:40
msrpctypes.lua	168.52 KB	-rw-r--r--	2023-01-13 02:40
mssql.lua	109.43 KB	-rw-r--r--	2023-01-13 02:40
multicast.lua	5.97 KB	-rw-r--r--	2023-01-13 02:40
mysql.lua	16.03 KB	-rw-r--r--	2023-01-13 02:40
natpmp.lua	5.11 KB	-rw-r--r--	2023-01-13 02:40
nbd.lua	16.04 KB	-rw-r--r--	2023-01-13 02:40
ncp.lua	35.64 KB	-rw-r--r--	2023-01-13 02:40
ndmp.lua	11.43 KB	-rw-r--r--	2023-01-13 02:40
netbios.lua	14.44 KB	-rw-r--r--	2023-01-13 02:40
nmap.luadoc	40.34 KB	-rw-r--r--	2023-01-13 02:40
nrpc.lua	4.46 KB	-rw-r--r--	2023-01-13 02:40
nsedebug.lua	3.49 KB	-rw-r--r--	2023-01-13 02:40
omp2.lua	4.78 KB	-rw-r--r--	2023-01-13 02:40
oops.lua	3.61 KB	-rw-r--r--	2023-01-13 02:40
openssl.luadoc	7.5 KB	-rw-r--r--	2023-01-13 02:40
ospf.lua	15.29 KB	-rw-r--r--	2023-01-13 02:40
packet.lua	36.18 KB	-rw-r--r--	2023-01-13 02:40
pcre.luadoc	6.79 KB	-rw-r--r--	2023-01-13 02:40
pgsql.lua	20.6 KB	-rw-r--r--	2023-01-13 02:40
pop3.lua	5.74 KB	-rw-r--r--	2023-01-13 02:40
pppoe.lua	29.42 KB	-rw-r--r--	2023-01-13 02:40
proxy.lua	11.37 KB	-rw-r--r--	2023-01-13 02:40
punycode.lua	11.5 KB	-rw-r--r--	2023-01-13 02:40
rand.lua	2.7 KB	-rw-r--r--	2023-01-13 02:40
rdp.lua	14.73 KB	-rw-r--r--	2023-01-13 02:40
re.lua	8.22 KB	-rw-r--r--	2023-01-13 02:40
redis.lua	3.61 KB	-rw-r--r--	2023-01-13 02:40
rmi.lua	47.77 KB	-rw-r--r--	2023-01-13 02:40
rpc.lua	107.64 KB	-rw-r--r--	2023-01-13 02:40
rpcap.lua	11.08 KB	-rw-r--r--	2023-01-13 02:40
rsync.lua	5.22 KB	-rw-r--r--	2023-01-13 02:40
rtsp.lua	8.62 KB	-rw-r--r--	2023-01-13 02:40
sasl.lua	16.51 KB	-rw-r--r--	2023-01-13 02:40
shortport.lua	11.99 KB	-rw-r--r--	2023-01-13 02:40
sip.lua	30.07 KB	-rw-r--r--	2023-01-13 02:40
slaxml.lua	17.9 KB	-rw-r--r--	2023-01-13 02:40
smb.lua	173.22 KB	-rw-r--r--	2023-01-13 02:40
smb2.lua	15.34 KB	-rw-r--r--	2023-01-13 02:40
smbauth.lua	37.33 KB	-rw-r--r--	2023-01-13 02:40
smtp.lua	19.85 KB	-rw-r--r--	2023-01-13 02:40
snmp.lua	16 KB	-rw-r--r--	2023-01-13 02:40
socks.lua	8.25 KB	-rw-r--r--	2023-01-13 02:40
srvloc.lua	10.99 KB	-rw-r--r--	2023-01-13 02:40
ssh1.lua	9.15 KB	-rw-r--r--	2023-01-13 02:40
ssh2.lua	11.73 KB	-rw-r--r--	2023-01-13 02:40
sslcert.lua	33.35 KB	-rw-r--r--	2023-01-13 02:40
sslv2.lua	9.68 KB	-rw-r--r--	2023-01-13 02:40
stdnse.lua	32.64 KB	-rw-r--r--	2023-01-13 02:40
strbuf.lua	4.52 KB	-rw-r--r--	2023-01-13 02:40
strict.lua	2.53 KB	-rw-r--r--	2023-01-13 02:40
stringaux.lua	4.32 KB	-rw-r--r--	2023-01-13 02:40
stun.lua	11.08 KB	-rw-r--r--	2023-01-13 02:40
tab.lua	3.35 KB	-rw-r--r--	2023-01-13 02:40
tableaux.lua	2.06 KB	-rw-r--r--	2023-01-13 02:40
target.lua	3.93 KB	-rw-r--r--	2023-01-13 02:40
tftp.lua	9.41 KB	-rw-r--r--	2023-01-13 02:40
tls.lua	58.05 KB	-rw-r--r--	2023-01-13 02:40
tn3270.lua	46.99 KB	-rw-r--r--	2023-01-13 02:40
tns.lua	64.16 KB	-rw-r--r--	2023-01-13 02:40
unicode.lua	14.23 KB	-rw-r--r--	2023-01-13 02:40
unittest.lua	12.41 KB	-rw-r--r--	2023-01-13 02:40
unpwdb.lua	10.42 KB	-rw-r--r--	2023-01-13 02:40
upnp.lua	11.18 KB	-rw-r--r--	2023-01-13 02:40
url.lua	16.7 KB	-rw-r--r--	2023-01-13 02:40
versant.lua	8.58 KB	-rw-r--r--	2023-01-13 02:40
vnc.lua	25.54 KB	-rw-r--r--	2023-01-13 02:40
vulns.lua	76.45 KB	-rw-r--r--	2023-01-13 02:40
vuzedht.lua	16.21 KB	-rw-r--r--	2023-01-13 02:40
wsdd.lua	11.98 KB	-rw-r--r--	2023-01-13 02:40
xdmcp.lua	12.09 KB	-rw-r--r--	2023-01-13 02:40
xmpp.lua	15.91 KB	-rw-r--r--	2023-01-13 02:40
zlib.luadoc	4.88 KB	-rw-r--r--	2023-01-13 02:40

Rename

---
-- Utility functions for sending MLD requests and parsing reports.
--
-- @copyright Same as Nmap--See https://nmap.org/book/man-legal.html

local nmap = require "nmap"
local ipOps = require "ipOps"
local packet = require "packet"
local stdnse = require "stdnse"
local string = require "string"
local table = require "table"

_ENV = stdnse.module("multicast", stdnse.seeall)

---
-- Performs an MLD general query on the selected interface and caches the results such that
-- subsequent calls to this function do not generate additional traffic.
--
-- @param if_nfo A table containing information about the interface to send the request on.
-- Can be one of those returned by nmap.list_interfaces().
-- @param arg_timeout The amount of time to wait for reports.
--
-- @return A list of tables, each table containing three items, namely device, layer 2 reply and layer 3 reply.
--
mld_query = function( if_nfo, arg_timeout )
  -- check if the interface name is valid or if nmap can find one
  if if_nfo == nil then
    return nil
  end

-- we need some ID for this interface & address combination to use as the
  -- registry key and the object to lock the mutex on
  local reg_entry = "mld_reports_" .. if_nfo.device .. "_" .. if_nfo.address
  local mutex = nmap.mutex( reg_entry )
  mutex('lock')

-- first check if nmap.registry contains reports for this interface from a previous call of this function
  if nmap.registry[reg_entry] ~= nil then
    mutex('done')
    return nmap.registry[reg_entry]
  end

if not ipOps.ip_in_range(if_nfo.address, "fe80::/10")  -- link local address
    or if_nfo.link ~= "ethernet" then                 -- not the loopback interface
    mutex('done')
    return nil
  end

-- create the query packet
  local src_mac = if_nfo.mac
  local src_ip6 = ipOps.ip_to_str(if_nfo.address)
  local dst_mac = packet.mactobin("33:33:00:00:00:01")
  local dst_ip6 = ipOps.ip_to_str("ff02::1")
  local general_qry = ipOps.ip_to_str("::")

local dnet = nmap.new_dnet()
  local pcap = nmap.new_socket()

dnet:ethernet_open(if_nfo.device)
  pcap:pcap_open(if_nfo.device, 1500, false, "ip6[40:1] == 58")

local probe = packet.Frame:new()
  probe.mac_src = src_mac
  probe.mac_dst = dst_mac
  probe.ip_bin_src = src_ip6
  probe.ip_bin_dst = dst_ip6

probe.ip6_tc = 0
  probe.ip6_fl = 0
  probe.ip6_hlimit = 1

probe.icmpv6_type = packet.MLD_LISTENER_QUERY
  probe.icmpv6_code = 0

-- Add a non-empty payload too.
  probe.icmpv6_payload = (
    "\x00\x01" ..              -- maximum response delay 1 millisecond (if 0, virtualbox TCP/IP stack crashes)
    "\x00\x00" ..              -- reserved
    ipOps.ip_to_str("::")   -- empty address - general MLD query
  )
  probe:build_icmpv6_header()
  probe.exheader = string.pack(">BBBB I2 BB",
    packet.IPPROTO_ICMPV6,  -- next header
    0x00, -- length not including first 8 octets
    0x05, -- type is router alert
    0x02, -- length 2 bytes
    0x00, -- router alert MLD
    0x01, -- padding type PadN
    0x00  -- padding length 0
  )
  probe.ip6_nhdr = packet.IPPROTO_HOPOPTS
  probe:build_ipv6_packet()
  probe:build_ether_frame()

-- send the query packet
  dnet:ethernet_send(probe.frame_buf)

-- wait for responses to the query packet
  pcap:set_timeout(1000)
  local pcap_timeout_count = 0
  local nse_timeout = arg_timeout or 10
  local start_time = nmap:clock()
  local addrs = {}
  nmap.registry[reg_entry] = {}

repeat
    local status, length, layer2, layer3 = pcap:pcap_receive()
    local cur_time = nmap:clock()
    if status then
      local l2reply = packet.Frame:new(layer2)
      local l3reply = packet.Packet:new(layer3, length, true)
      local target_ip = l3reply.ip_src
      if l3reply.ip6_nhdr == packet.MLD_LISTENER_REPORT or l3reply.ip6_nhdr == packet.MLDV2_LISTENER_REPORT then
        table.insert(
          nmap.registry[reg_entry],
          { if_nfo.device, l2reply, l3reply }
        )
      end
    end
  until ( cur_time - start_time >= nse_timeout )

-- clean up
  dnet:ethernet_close()
  pcap:pcap_close()

mutex('done')
  return nmap.registry[reg_entry]
end

---
-- Extracts IP addresses from MLD reports captured by the mld_query function.
--
-- @param reports The output of the mld_query function.
--
-- @return A list of tables, each table containing three items, namely device, mac and a list of addresses.
--
mld_report_addresses = function(reports)
  local rep_addresses = {}
  for _, report in pairs(reports) do
    local device = report[1]
    local l2reply = report[2]
    local l3reply = report[3]

local target_ip = l3reply.ip_src
    if l3reply.ip6_nhdr == packet.MLD_LISTENER_REPORT or l3reply.ip6_nhdr == packet.MLDV2_LISTENER_REPORT then

-- if this is the first reply from the target, make an entry for it
      if not rep_addresses[target_ip] then
        rep_addresses[target_ip] = stdnse.output_table()
      end
      local rep = rep_addresses[target_ip]
      rep.device = device
      rep.mac = stdnse.format_mac(l2reply.mac_src)
      rep.multicast_ips = rep.multicast_ips or {}

-- depending on the MLD version of the report, add appropriate IP addresses
      if l3reply.ip6_nhdr == packet.MLD_LISTENER_REPORT then
        local multicast_ip = ipOps.str_to_ip( l3reply:raw(0x38, 16) ) -- IP starts at byte 0x38 and is 16 bytes long
        table.insert(rep.multicast_ips, multicast_ip)
      elseif l3reply.ip6_nhdr == packet.MLDV2_LISTENER_REPORT then
        local no_records = l3reply:u16(0x36)
        local record_offset = 0
        local records_start = 0x38
        for i = 1, no_records do
          -- for the format description, see RFC3810 (ch. 5.2)
          local aux_data_len = l3reply:u8(records_start + record_offset + 1)
          local no_sources = l3reply:u16(records_start + record_offset + 2)
          local multicast_ip = ipOps.str_to_ip(l3reply:raw(records_start + record_offset + 4, 16))
          table.insert(rep.multicast_ips, multicast_ip)
          record_offset = record_offset + 4 + 16 + no_sources * 16 + aux_data_len * 4
        end
      end

end
  end
  return rep_addresses
end

return _ENV