local bit = require "bit"
local io = require "io"
local ipOps = require "ipOps"
local math = require "math"
local stdnse = require "stdnse"
local table = require "table"
description = [[
Tries to identify the physical location of an IP address using a
Geolocation Maxmind database file (available from
http://www.maxmind.com/app/ip-location). This script supports queries
using all Maxmind databases that are supported by their API including
the commercial ones.
]]
---
-- @usage
-- nmap --script ip-geolocation-maxmind <target> [--script-args ip-geolocation.maxmind_db=<filename>]
--
-- @arg maxmind_db string indicates which file to use as a Maxmind database
--
-- @output
-- | ip-geolocation-maxmind:
-- | 74.207.244.221 (scanme.nmap.org)
-- | coordinates (lat,lon): 39.4899,-74.4773
-- |_ city: Absecon, Philadelphia, PA, United States
--
author = "Gorjan Petrovski"
license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
categories = {"discovery","external","safe"}
hostrule = function(host)
local is_private, err = ipOps.isPrivate( host.ip )
if is_private == nil then
stdnse.print_debug( "%s Error in Hostrule: %s.", SCRIPT_NAME, err )
return false
end
return not is_private
end
local MaxmindDef = {
-- Database structure constants
COUNTRY_BEGIN = 16776960,
STATE_BEGIN_REV0 = 16700000,
STATE_BEGIN_REV1 = 16000000,
STRUCTURE_INFO_MAX_SIZE = 20,
DATABASE_INFO_MAX_SIZE = 100,
-- Database editions,
COUNTRY_EDITION = 1,
REGION_EDITION_REV0 = 7,
REGION_EDITION_REV1 = 3,
CITY_EDITION_REV0 = 6,
CITY_EDITION_REV1 = 2,
ORG_EDITION = 5,
ISP_EDITION = 4,
PROXY_EDITION = 8,
ASNUM_EDITION = 9,
NETSPEED_EDITION = 11,
COUNTRY_EDITION_V6 = 12,
SEGMENT_RECORD_LENGTH = 3,
STANDARD_RECORD_LENGTH = 3,
ORG_RECORD_LENGTH = 4,
MAX_RECORD_LENGTH = 4,
MAX_ORG_RECORD_LENGTH = 300,
FULL_RECORD_LENGTH = 50,
US_OFFSET = 1,
CANADA_OFFSET = 677,
WORLD_OFFSET = 1353,
FIPS_RANGE = 360,
DMA_MAP = {
[500] = 'Portland-Auburn, ME',
[501] = 'New York, NY',
[502] = 'Binghamton, NY',
[503] = 'Macon, GA',
[504] = 'Philadelphia, PA',
[505] = 'Detroit, MI',
[506] = 'Boston, MA',
[507] = 'Savannah, GA',
[508] = 'Pittsburgh, PA',
[509] = 'Ft Wayne, IN',
[510] = 'Cleveland, OH',
[511] = 'Washington, DC',
[512] = 'Baltimore, MD',
[513] = 'Flint, MI',
[514] = 'Buffalo, NY',
[515] = 'Cincinnati, OH',
[516] = 'Erie, PA',
[517] = 'Charlotte, NC',
[518] = 'Greensboro, NC',
[519] = 'Charleston, SC',
[520] = 'Augusta, GA',
[521] = 'Providence, RI',
[522] = 'Columbus, GA',
[523] = 'Burlington, VT',
[524] = 'Atlanta, GA',
[525] = 'Albany, GA',
[526] = 'Utica-Rome, NY',
[527] = 'Indianapolis, IN',
[528] = 'Miami, FL',
[529] = 'Louisville, KY',
[530] = 'Tallahassee, FL',
[531] = 'Tri-Cities, TN',
[532] = 'Albany-Schenectady-Troy, NY',
[533] = 'Hartford, CT',
[534] = 'Orlando, FL',
[535] = 'Columbus, OH',
[536] = 'Youngstown-Warren, OH',
[537] = 'Bangor, ME',
[538] = 'Rochester, NY',
[539] = 'Tampa, FL',
[540] = 'Traverse City-Cadillac, MI',
[541] = 'Lexington, KY',
[542] = 'Dayton, OH',
[543] = 'Springfield-Holyoke, MA',
[544] = 'Norfolk-Portsmouth, VA',
[545] = 'Greenville-New Bern-Washington, NC',
[546] = 'Columbia, SC',
[547] = 'Toledo, OH',
[548] = 'West Palm Beach, FL',
[549] = 'Watertown, NY',
[550] = 'Wilmington, NC',
[551] = 'Lansing, MI',
[552] = 'Presque Isle, ME',
[553] = 'Marquette, MI',
[554] = 'Wheeling, WV',
[555] = 'Syracuse, NY',
[556] = 'Richmond-Petersburg, VA',
[557] = 'Knoxville, TN',
[558] = 'Lima, OH',
[559] = 'Bluefield-Beckley-Oak Hill, WV',
[560] = 'Raleigh-Durham, NC',
[561] = 'Jacksonville, FL',
[563] = 'Grand Rapids, MI',
[564] = 'Charleston-Huntington, WV',
[565] = 'Elmira, NY',
[566] = 'Harrisburg-Lancaster-Lebanon-York, PA',
[567] = 'Greenville-Spartenburg, SC',
[569] = 'Harrisonburg, VA',
[570] = 'Florence-Myrtle Beach, SC',
[571] = 'Ft Myers, FL',
[573] = 'Roanoke-Lynchburg, VA',
[574] = 'Johnstown-Altoona, PA',
[575] = 'Chattanooga, TN',
[576] = 'Salisbury, MD',
[577] = 'Wilkes Barre-Scranton, PA',
[581] = 'Terre Haute, IN',
[582] = 'Lafayette, IN',
[583] = 'Alpena, MI',
[584] = 'Charlottesville, VA',
[588] = 'South Bend, IN',
[592] = 'Gainesville, FL',
[596] = 'Zanesville, OH',
[597] = 'Parkersburg, WV',
[598] = 'Clarksburg-Weston, WV',
[600] = 'Corpus Christi, TX',
[602] = 'Chicago, IL',
[603] = 'Joplin-Pittsburg, MO',
[604] = 'Columbia-Jefferson City, MO',
[605] = 'Topeka, KS',
[606] = 'Dothan, AL',
[609] = 'St Louis, MO',
[610] = 'Rockford, IL',
[611] = 'Rochester-Mason City-Austin, MN',
[612] = 'Shreveport, LA',
[613] = 'Minneapolis-St Paul, MN',
[616] = 'Kansas City, MO',
[617] = 'Milwaukee, WI',
[618] = 'Houston, TX',
[619] = 'Springfield, MO',
[620] = 'Tuscaloosa, AL',
[622] = 'New Orleans, LA',
[623] = 'Dallas-Fort Worth, TX',
[624] = 'Sioux City, IA',
[625] = 'Waco-Temple-Bryan, TX',
[626] = 'Victoria, TX',
[627] = 'Wichita Falls, TX',
[628] = 'Monroe, LA',
[630] = 'Birmingham, AL',
[631] = 'Ottumwa-Kirksville, IA',
[632] = 'Paducah, KY',
[633] = 'Odessa-Midland, TX',
[634] = 'Amarillo, TX',
[635] = 'Austin, TX',
[636] = 'Harlingen, TX',
[637] = 'Cedar Rapids-Waterloo, IA',
[638] = 'St Joseph, MO',
[639] = 'Jackson, TN',
[640] = 'Memphis, TN',
[641] = 'San Antonio, TX',
[642] = 'Lafayette, LA',
[643] = 'Lake Charles, LA',
[644] = 'Alexandria, LA',
[646] = 'Anniston, AL',
[647] = 'Greenwood-Greenville, MS',
[648] = 'Champaign-Springfield-Decatur, IL',
[649] = 'Evansville, IN',
[650] = 'Oklahoma City, OK',
[651] = 'Lubbock, TX',
[652] = 'Omaha, NE',
[656] = 'Panama City, FL',
[657] = 'Sherman, TX',
[658] = 'Green Bay-Appleton, WI',
[659] = 'Nashville, TN',
[661] = 'San Angelo, TX',
[662] = 'Abilene-Sweetwater, TX',
[669] = 'Madison, WI',
[670] = 'Ft Smith-Fay-Springfield, AR',
[671] = 'Tulsa, OK',
[673] = 'Columbus-Tupelo-West Point, MS',
[675] = 'Peoria-Bloomington, IL',
[676] = 'Duluth, MN',
[678] = 'Wichita, KS',
[679] = 'Des Moines, IA',
[682] = 'Davenport-Rock Island-Moline, IL',
[686] = 'Mobile, AL',
[687] = 'Minot-Bismarck-Dickinson, ND',
[691] = 'Huntsville, AL',
[692] = 'Beaumont-Port Author, TX',
[693] = 'Little Rock-Pine Bluff, AR',
[698] = 'Montgomery, AL',
[702] = 'La Crosse-Eau Claire, WI',
[705] = 'Wausau-Rhinelander, WI',
[709] = 'Tyler-Longview, TX',
[710] = 'Hattiesburg-Laurel, MS',
[711] = 'Meridian, MS',
[716] = 'Baton Rouge, LA',
[717] = 'Quincy, IL',
[718] = 'Jackson, MS',
[722] = 'Lincoln-Hastings, NE',
[724] = 'Fargo-Valley City, ND',
[725] = 'Sioux Falls, SD',
[734] = 'Jonesboro, AR',
[736] = 'Bowling Green, KY',
[737] = 'Mankato, MN',
[740] = 'North Platte, NE',
[743] = 'Anchorage, AK',
[744] = 'Honolulu, HI',
[745] = 'Fairbanks, AK',
[746] = 'Biloxi-Gulfport, MS',
[747] = 'Juneau, AK',
[749] = 'Laredo, TX',
[751] = 'Denver, CO',
[752] = 'Colorado Springs, CO',
[753] = 'Phoenix, AZ',
[754] = 'Butte-Bozeman, MT',
[755] = 'Great Falls, MT',
[756] = 'Billings, MT',
[757] = 'Boise, ID',
[758] = 'Idaho Falls-Pocatello, ID',
[759] = 'Cheyenne, WY',
[760] = 'Twin Falls, ID',
[762] = 'Missoula, MT',
[764] = 'Rapid City, SD',
[765] = 'El Paso, TX',
[766] = 'Helena, MT',
[767] = 'Casper-Riverton, WY',
[770] = 'Salt Lake City, UT',
[771] = 'Yuma, AZ',
[773] = 'Grand Junction, CO',
[789] = 'Tucson, AZ',
[790] = 'Albuquerque, NM',
[798] = 'Glendive, MT',
[800] = 'Bakersfield, CA',
[801] = 'Eugene, OR',
[802] = 'Eureka, CA',
[803] = 'Los Angeles, CA',
[804] = 'Palm Springs, CA',
[807] = 'San Francisco, CA',
[810] = 'Yakima-Pasco, WA',
[811] = 'Reno, NV',
[813] = 'Medford-Klamath Falls, OR',
[819] = 'Seattle-Tacoma, WA',
[820] = 'Portland, OR',
[821] = 'Bend, OR',
[825] = 'San Diego, CA',
[828] = 'Monterey-Salinas, CA',
[839] = 'Las Vegas, NV',
[855] = 'Santa Barbara, CA',
[862] = 'Sacramento, CA',
[866] = 'Fresno, CA',
[868] = 'Chico-Redding, CA',
[881] = 'Spokane, WA'
},
COUNTRY_CODES = {
'', 'AP', 'EU', 'AD', 'AE', 'AF', 'AG', 'AI', 'AL', 'AM', 'AN', 'AO', 'AQ',
'AR', 'AS', 'AT', 'AU', 'AW', 'AZ', 'BA', 'BB', 'BD', 'BE', 'BF', 'BG', 'BH',
'BI', 'BJ', 'BM', 'BN', 'BO', 'BR', 'BS', 'BT', 'BV', 'BW', 'BY', 'BZ', 'CA',
'CC', 'CD', 'CF', 'CG', 'CH', 'CI', 'CK', 'CL', 'CM', 'CN', 'CO', 'CR', 'CU',
'CV', 'CX', 'CY', 'CZ', 'DE', 'DJ', 'DK', 'DM', 'DO', 'DZ', 'EC', 'EE', 'EG',
'EH', 'ER', 'ES', 'ET', 'FI', 'FJ', 'FK', 'FM', 'FO', 'FR', 'FX', 'GA', 'GB',
'GD', 'GE', 'GF', 'GH', 'GI', 'GL', 'GM', 'GN', 'GP', 'GQ', 'GR', 'GS', 'GT',
'GU', 'GW', 'GY', 'HK', 'HM', 'HN', 'HR', 'HT', 'HU', 'ID', 'IE', 'IL', 'IN',
'IO', 'IQ', 'IR', 'IS', 'IT', 'JM', 'JO', 'JP', 'KE', 'KG', 'KH', 'KI', 'KM',
'KN', 'KP', 'KR', 'KW', 'KY', 'KZ', 'LA', 'LB', 'LC', 'LI', 'LK', 'LR', 'LS',
'LT', 'LU', 'LV', 'LY', 'MA', 'MC', 'MD', 'MG', 'MH', 'MK', 'ML', 'MM', 'MN',
'MO', 'MP', 'MQ', 'MR', 'MS', 'MT', 'MU', 'MV', 'MW', 'MX', 'MY', 'MZ', 'NA',
'NC', 'NE', 'NF', 'NG', 'NI', 'NL', 'NO', 'NP', 'NR', 'NU', 'NZ', 'OM', 'PA',
'PE', 'PF', 'PG', 'PH', 'PK', 'PL', 'PM', 'PN', 'PR', 'PS', 'PT', 'PW', 'PY',
'QA', 'RE', 'RO', 'RU', 'RW', 'SA', 'SB', 'SC', 'SD', 'SE', 'SG', 'SH', 'SI',
'SJ', 'SK', 'SL', 'SM', 'SN', 'SO', 'SR', 'ST', 'SV', 'SY', 'SZ', 'TC', 'TD',
'TF', 'TG', 'TH', 'TJ', 'TK', 'TM', 'TN', 'TO', 'TL', 'TR', 'TT', 'TV', 'TW',
'TZ', 'UA', 'UG', 'UM', 'US', 'UY', 'UZ', 'VA', 'VC', 'VE', 'VG', 'VI', 'VN',
'VU', 'WF', 'WS', 'YE', 'YT', 'RS', 'ZA', 'ZM', 'ME', 'ZW', 'A1', 'A2', 'O1',
'AX', 'GG', 'IM', 'JE', 'BL', 'MF'
},
COUNTRY_CODES3 = {
'','AP','EU','AND','ARE','AFG','ATG','AIA','ALB','ARM','ANT','AGO','AQ','ARG',
'ASM','AUT','AUS','ABW','AZE','BIH','BRB','BGD','BEL','BFA','BGR','BHR','BDI',
'BEN','BMU','BRN','BOL','BRA','BHS','BTN','BV','BWA','BLR','BLZ','CAN','CC',
'COD','CAF','COG','CHE','CIV','COK','CHL','CMR','CHN','COL','CRI','CUB','CPV',
'CX','CYP','CZE','DEU','DJI','DNK','DMA','DOM','DZA','ECU','EST','EGY','ESH',
'ERI','ESP','ETH','FIN','FJI','FLK','FSM','FRO','FRA','FX','GAB','GBR','GRD',
'GEO','GUF','GHA','GIB','GRL','GMB','GIN','GLP','GNQ','GRC','GS','GTM','GUM',
'GNB','GUY','HKG','HM','HND','HRV','HTI','HUN','IDN','IRL','ISR','IND','IO',
'IRQ','IRN','ISL','ITA','JAM','JOR','JPN','KEN','KGZ','KHM','KIR','COM','KNA',
'PRK','KOR','KWT','CYM','KAZ','LAO','LBN','LCA','LIE','LKA','LBR','LSO','LTU',
'LUX','LVA','LBY','MAR','MCO','MDA','MDG','MHL','MKD','MLI','MMR','MNG','MAC',
'MNP','MTQ','MRT','MSR','MLT','MUS','MDV','MWI','MEX','MYS','MOZ','NAM','NCL',
'NER','NFK','NGA','NIC','NLD','NOR','NPL','NRU','NIU','NZL','OMN','PAN','PER',
'PYF','PNG','PHL','PAK','POL','SPM','PCN','PRI','PSE','PRT','PLW','PRY','QAT',
'REU','ROU','RUS','RWA','SAU','SLB','SYC','SDN','SWE','SGP','SHN','SVN','SJM',
'SVK','SLE','SMR','SEN','SOM','SUR','STP','SLV','SYR','SWZ','TCA','TCD','TF',
'TGO','THA','TJK','TKL','TLS','TKM','TUN','TON','TUR','TTO','TUV','TWN','TZA',
'UKR','UGA','UM','USA','URY','UZB','VAT','VCT','VEN','VGB','VIR','VNM','VUT',
'WLF','WSM','YEM','YT','SRB','ZAF','ZMB','MNE','ZWE','A1','A2','O1',
'ALA','GGY','IMN','JEY','BLM','MAF'
},
COUNTRY_NAMES = {
"", "Asia/Pacific Region", "Europe", "Andorra", "United Arab Emirates",
"Afghanistan", "Antigua and Barbuda", "Anguilla", "Albania", "Armenia",
"Netherlands Antilles", "Angola", "Antarctica", "Argentina", "American Samoa",
"Austria", "Australia", "Aruba", "Azerbaijan", "Bosnia and Herzegovina",
"Barbados", "Bangladesh", "Belgium", "Burkina Faso", "Bulgaria", "Bahrain",
"Burundi", "Benin", "Bermuda", "Brunei Darussalam", "Bolivia", "Brazil",
"Bahamas", "Bhutan", "Bouvet Island", "Botswana", "Belarus", "Belize",
"Canada", "Cocos (Keeling) Islands", "Congo, The Democratic Republic of the",
"Central African Republic", "Congo", "Switzerland", "Cote D'Ivoire", "Cook Islands",
"Chile", "Cameroon", "China", "Colombia", "Costa Rica", "Cuba", "Cape Verde",
"Christmas Island", "Cyprus", "Czech Republic", "Germany", "Djibouti",
"Denmark", "Dominica", "Dominican Republic", "Algeria", "Ecuador", "Estonia",
"Egypt", "Western Sahara", "Eritrea", "Spain", "Ethiopia", "Finland", "Fiji",
"Falkland Islands (Malvinas)", "Micronesia, Federated States of", "Faroe Islands",
"France", "France, Metropolitan", "Gabon", "United Kingdom",
"Grenada", "Georgia", "French Guiana", "Ghana", "Gibraltar", "Greenland",
"Gambia", "Guinea", "Guadeloupe", "Equatorial Guinea", "Greece",
"South Georgia and the South Sandwich Islands",
"Guatemala", "Guam", "Guinea-Bissau",
"Guyana", "Hong Kong", "Heard Island and McDonald Islands", "Honduras",
"Croatia", "Haiti", "Hungary", "Indonesia", "Ireland", "Israel", "India",
"British Indian Ocean Territory", "Iraq", "Iran, Islamic Republic of",
"Iceland", "Italy", "Jamaica", "Jordan", "Japan", "Kenya", "Kyrgyzstan",
"Cambodia", "Kiribati", "Comoros", "Saint Kitts and Nevis",
"Korea, Democratic People's Republic of",
"Korea, Republic of", "Kuwait", "Cayman Islands",
"Kazakstan", "Lao People's Democratic Republic", "Lebanon", "Saint Lucia",
"Liechtenstein", "Sri Lanka", "Liberia", "Lesotho", "Lithuania", "Luxembourg",
"Latvia", "Libyan Arab Jamahiriya", "Morocco", "Monaco", "Moldova, Republic of",
"Madagascar", "Marshall Islands", "Macedonia",
"Mali", "Myanmar", "Mongolia", "Macau", "Northern Mariana Islands",
"Martinique", "Mauritania", "Montserrat", "Malta", "Mauritius", "Maldives",
"Malawi", "Mexico", "Malaysia", "Mozambique", "Namibia", "New Caledonia",
"Niger", "Norfolk Island", "Nigeria", "Nicaragua", "Netherlands", "Norway",
"Nepal", "Nauru", "Niue", "New Zealand", "Oman", "Panama", "Peru", "French Polynesia",
"Papua New Guinea", "Philippines", "Pakistan", "Poland", "Saint Pierre and Miquelon",
"Pitcairn Islands", "Puerto Rico", "Palestinian Territory",
"Portugal", "Palau", "Paraguay", "Qatar", "Reunion", "Romania",
"Russian Federation", "Rwanda", "Saudi Arabia", "Solomon Islands",
"Seychelles", "Sudan", "Sweden", "Singapore", "Saint Helena", "Slovenia",
"Svalbard and Jan Mayen", "Slovakia", "Sierra Leone", "San Marino", "Senegal",
"Somalia", "Suriname", "Sao Tome and Principe", "El Salvador", "Syrian Arab Republic",
"Swaziland", "Turks and Caicos Islands", "Chad", "French Southern Territories",
"Togo", "Thailand", "Tajikistan", "Tokelau", "Turkmenistan",
"Tunisia", "Tonga", "Timor-Leste", "Turkey", "Trinidad and Tobago", "Tuvalu",
"Taiwan", "Tanzania, United Republic of", "Ukraine",
"Uganda", "United States Minor Outlying Islands", "United States", "Uruguay",
"Uzbekistan", "Holy See (Vatican City State)", "Saint Vincent and the Grenadines",
"Venezuela", "Virgin Islands, British", "Virgin Islands, U.S.",
"Vietnam", "Vanuatu", "Wallis and Futuna", "Samoa", "Yemen", "Mayotte",
"Serbia", "South Africa", "Zambia", "Montenegro", "Zimbabwe",
"Anonymous Proxy","Satellite Provider","Other",
"Aland Islands","Guernsey","Isle of Man","Jersey","Saint Barthelemy","Saint Martin"
}
}
local ip2long=function(ip_str)
local ip = stdnse.strsplit('%.',ip_str)
local ip_num = (tonumber(ip[1])*16777216 + tonumber(ip[2])*65536
+ tonumber(ip[3])*256 + tonumber(ip[4]))
return ip_num
end
local GeoIP = {
new = function(self, filename)
local o = {}
setmetatable(o, self)
self.__index = self
o._filename=filename
local err
o._filehandle= assert(io.open(filename,'rb'), "Cannot open Maxmind database file")
o._databaseType = MaxmindDef.COUNTRY_EDITION
o._recordLength = MaxmindDef.STANDARD_RECORD_LENGTH
local filepos = o._filehandle:seek()
o._filehandle:seek("end",-3)
for i=1,MaxmindDef.STRUCTURE_INFO_MAX_SIZE do
local delim = o._filehandle:read(3)
if delim == '\255\255\255' then
o._databaseType = o._filehandle:read(1):byte()
-- backward compatibility with databases from April 2003 and earlier
if (o._databaseType >= 106) then
o._databaseType = o._databaseType - 105
end
local fast_combo1={[MaxmindDef.CITY_EDITION_REV0]=true,
[MaxmindDef.CITY_EDITION_REV1]=true,
[MaxmindDef.ORG_EDITION]=true,
[MaxmindDef.ISP_EDITION]=true,
[MaxmindDef.ASNUM_EDITION]=true}
if o._databaseType == MaxmindDef.REGION_EDITION_REV0 then
o._databaseSegments = MaxmindDef.STATE_BEGIN_REV0
elseif o._databaseType == MaxmindDef.REGION_EDITION_REV1 then
o._databaseSegments = MaxmindDef.STATE_BEGIN_REV1
elseif fast_combo1[o._databaseType] then
o._databaseSegments = 0
local buf = o._filehandle:read(MaxmindDef.SEGMENT_RECORD_LENGTH)
-- the original representation in the MaxMind API is ANSI C integer
-- which should not overflow the greatest value Lua can offer ;)
for j=0,(MaxmindDef.SEGMENT_RECORD_LENGTH-1) do
o._databaseSegments = o._databaseSegments + bit.lshift( buf:byte(j+1), j*8)
end
if o._databaseType == MaxmindDef.ORG_EDITION or o._databaseType == MaxmindDef.ISP_EDITION then
o._recordLength = MaxmindDef.ORG_RECORD_LENGTH
end
end
break
else
o._filehandle:seek("cur",-4)
end
end
if o._databaseType == MaxmindDef.COUNTRY_EDITION then
o._databaseSegments = MaxmindDef.COUNTRY_BEGIN
end
o._filehandle:seek("set",filepos)
return o
end,
output_record_by_addr = function(self,addr)
local loc = self:record_by_addr(addr)
if not loc then return nil end
local output = {}
--output.name = "Maxmind database"
table.insert(output, "coordinates (lat,lon): " .. loc.latitude .. "," .. loc.longitude)
local str = ""
if loc.city then
str = str.."city: "..loc.city
end
if loc.metro_code then
str = str .. ", "..loc.metro_code
end
if loc.country_name then
str = str .. ", "..loc.country_name
end
table.insert(output,str)
return output
end,
record_by_addr=function(self,addr)
local ipnum = ip2long(addr)
return self:_get_record(ipnum)
end,
_get_record=function(self,ipnum)
local seek_country = self:_seek_country(ipnum)
if seek_country == self._databaseSegments then
return nil
end
local record_pointer = seek_country + (2 * self._recordLength - 1) * self._databaseSegments
self._filehandle:seek("set",record_pointer)
local record_buf = self._filehandle:read(MaxmindDef.FULL_RECORD_LENGTH)
local record = {}
local start_pos = 1
local char = record_buf:byte(start_pos)
char=char+1
record.country_code = MaxmindDef.COUNTRY_CODES[char]
record.country_code3 = MaxmindDef.COUNTRY_CODES3[char]
record.country_name = MaxmindDef.COUNTRY_NAMES[char]
start_pos = start_pos + 1
local end_pos = 0
end_pos = record_buf:find("\0",start_pos)
if start_pos ~= end_pos then
record.region_name = record_buf:sub(start_pos, end_pos-1)
end
start_pos = end_pos + 1
end_pos = record_buf:find("\0",start_pos)
if start_pos ~= end_pos then
record.city = record_buf:sub(start_pos, end_pos-1)
end
start_pos = end_pos + 1
end_pos = record_buf:find("\0",start_pos)
if start_pos ~= end_pos then
record.postal_code = record_buf:sub(start_pos, end_pos-1)
end
start_pos = end_pos + 1
local c1,c2,c3=record_buf:byte(start_pos,start_pos+3)
record.latitude = (( bit.lshift(c1,0*8) + bit.lshift(c2,1*8) + bit.lshift(c3,2*8) )/10000) - 180
start_pos = start_pos +3
c1,c2,c3=record_buf:byte(start_pos,start_pos+3)
record.longitude = (( bit.lshift(c1,0*8) + bit.lshift(c2,1*8) + bit.lshift(c3,2*8) )/10000) - 180
start_pos = start_pos +3
if self._databaseType == MaxmindDef.CITY_EDITION_REV1 and record.country_code=='US' then
c1,c2,c3=record_buf:byte(start_pos,start_pos+3)
local dmaarea_combo= bit.lshift(c1,0*8) + bit.lshift(c2,1*8) + bit.lshift(c3,2*8)
record.dma_code = math.floor(dmaarea_combo/1000)
record.area_code = dmaarea_combo % 1000
else
record.dma_code = nil
record.area_code = nil
end
if record.dma_code and MaxmindDef.DMA_MAP[record.dma_code] then
record.metro_code = MaxmindDef.DMA_MAP[record.dma_code]
else
record.metro_code = nil
end
return record
end,
_seek_country=function(self,ipnum)
local offset = 0
for depth=31,0,-1 do
self._filehandle:seek("set", 2 * self._recordLength * offset)
local buf = self._filehandle:read(2*self._recordLength)
local x = {}
x[0],x[1] = 0,0
for i=0,1 do
for j=0,(self._recordLength-1) do
x[i] = x[i] + bit.lshift(buf:byte((self._recordLength * i + j) +1 ), j*8)
end
end
-- Gotta test this out thorougly because of the ipnum
if bit.band(ipnum, bit.lshift(1,depth)) ~= 0 then
if x[1] >= self._databaseSegments then
return x[1]
end
offset = x[1]
else
if x[0] >= self._databaseSegments then
return x[0]
end
offset = x[0]
end
end
stdnse.print_debug('Error traversing database - perhaps it is corrupt?')
return nil
end,
}
action = function(host,port)
local f_maxmind = stdnse.get_script_args(SCRIPT_NAME .. ".maxmind_db")
local output = {}
--if f_maxmind is a string, it should specify the filename of the database
if f_maxmind then
local gi = assert( GeoIP:new(f_maxmind), "Wrong file specified for a Maxmind database")
local out = gi:output_record_by_addr(host.ip)
output = out
else
local gi = assert( GeoIP:new("nselib/data/GeoLiteCity.dat"), "Cannot read Maxmind database file in 'nselib/data/'.")
local out = gi:output_record_by_addr(host.ip)
output = out
end
if(#output~=0) then
output.name = host.ip
if host.targetname then
output.name = output.name.." ("..host.targetname..")"
end
end
return stdnse.format_output(true,output)
end
@KyuuKazami