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ip-geolocation-maxmind.nse
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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