| <?php |
| |
| /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 2; tab-width: 2 -*- */ |
| /* geoip.inc |
| * |
| * Copyright (C) 2007 MaxMind LLC |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| define("GEOIP_COUNTRY_BEGIN", 16776960); |
| define("GEOIP_STATE_BEGIN_REV0", 16700000); |
| define("GEOIP_STATE_BEGIN_REV1", 16000000); |
| define("GEOIP_STANDARD", 0); |
| define("GEOIP_MEMORY_CACHE", 1); |
| define("GEOIP_SHARED_MEMORY", 2); |
| define("STRUCTURE_INFO_MAX_SIZE", 20); |
| define("DATABASE_INFO_MAX_SIZE", 100); |
| define("GEOIP_COUNTRY_EDITION", 106); |
| define("GEOIP_PROXY_EDITION", 8); |
| define("GEOIP_ASNUM_EDITION", 9); |
| define("GEOIP_NETSPEED_EDITION", 10); |
| define("GEOIP_REGION_EDITION_REV0", 112); |
| define("GEOIP_REGION_EDITION_REV1", 3); |
| define("GEOIP_CITY_EDITION_REV0", 111); |
| define("GEOIP_CITY_EDITION_REV1", 2); |
| define("GEOIP_ORG_EDITION", 110); |
| define("GEOIP_ISP_EDITION", 4); |
| define("SEGMENT_RECORD_LENGTH", 3); |
| define("STANDARD_RECORD_LENGTH", 3); |
| define("ORG_RECORD_LENGTH", 4); |
| define("MAX_RECORD_LENGTH", 4); |
| define("MAX_ORG_RECORD_LENGTH", 300); |
| define("GEOIP_SHM_KEY", 0x4f415401); |
| define("US_OFFSET", 1); |
| define("CANADA_OFFSET", 677); |
| define("WORLD_OFFSET", 1353); |
| define("FIPS_RANGE", 360); |
| define("GEOIP_UNKNOWN_SPEED", 0); |
| define("GEOIP_DIALUP_SPEED", 1); |
| define("GEOIP_CABLEDSL_SPEED", 2); |
| define("GEOIP_CORPORATE_SPEED", 3); |
| |
| class GeoIP { |
| var $flags; |
| var $filehandle; |
| var $memory_buffer; |
| var $databaseType; |
| var $databaseSegments; |
| var $record_length; |
| var $shmid; |
| var $GEOIP_COUNTRY_CODE_TO_NUMBER = array( |
| "" => 0, "AP" => 1, "EU" => 2, "AD" => 3, "AE" => 4, "AF" => 5, |
| "AG" => 6, "AI" => 7, "AL" => 8, "AM" => 9, "AN" => 10, "AO" => 11, |
| "AQ" => 12, "AR" => 13, "AS" => 14, "AT" => 15, "AU" => 16, "AW" => 17, |
| "AZ" => 18, "BA" => 19, "BB" => 20, "BD" => 21, "BE" => 22, "BF" => 23, |
| "BG" => 24, "BH" => 25, "BI" => 26, "BJ" => 27, "BM" => 28, "BN" => 29, |
| "BO" => 30, "BR" => 31, "BS" => 32, "BT" => 33, "BV" => 34, "BW" => 35, |
| "BY" => 36, "BZ" => 37, "CA" => 38, "CC" => 39, "CD" => 40, "CF" => 41, |
| "CG" => 42, "CH" => 43, "CI" => 44, "CK" => 45, "CL" => 46, "CM" => 47, |
| "CN" => 48, "CO" => 49, "CR" => 50, "CU" => 51, "CV" => 52, "CX" => 53, |
| "CY" => 54, "CZ" => 55, "DE" => 56, "DJ" => 57, "DK" => 58, "DM" => 59, |
| "DO" => 60, "DZ" => 61, "EC" => 62, "EE" => 63, "EG" => 64, "EH" => 65, |
| "ER" => 66, "ES" => 67, "ET" => 68, "FI" => 69, "FJ" => 70, "FK" => 71, |
| "FM" => 72, "FO" => 73, "FR" => 74, "FX" => 75, "GA" => 76, "GB" => 77, |
| "GD" => 78, "GE" => 79, "GF" => 80, "GH" => 81, "GI" => 82, "GL" => 83, |
| "GM" => 84, "GN" => 85, "GP" => 86, "GQ" => 87, "GR" => 88, "GS" => 89, |
| "GT" => 90, "GU" => 91, "GW" => 92, "GY" => 93, "HK" => 94, "HM" => 95, |
| "HN" => 96, "HR" => 97, "HT" => 98, "HU" => 99, "ID" => 100, "IE" => 101, |
| "IL" => 102, "IN" => 103, "IO" => 104, "IQ" => 105, "IR" => 106, "IS" => 107, |
| "IT" => 108, "JM" => 109, "JO" => 110, "JP" => 111, "KE" => 112, "KG" => 113, |
| "KH" => 114, "KI" => 115, "KM" => 116, "KN" => 117, "KP" => 118, "KR" => 119, |
| "KW" => 120, "KY" => 121, "KZ" => 122, "LA" => 123, "LB" => 124, "LC" => 125, |
| "LI" => 126, "LK" => 127, "LR" => 128, "LS" => 129, "LT" => 130, "LU" => 131, |
| "LV" => 132, "LY" => 133, "MA" => 134, "MC" => 135, "MD" => 136, "MG" => 137, |
| "MH" => 138, "MK" => 139, "ML" => 140, "MM" => 141, "MN" => 142, "MO" => 143, |
| "MP" => 144, "MQ" => 145, "MR" => 146, "MS" => 147, "MT" => 148, "MU" => 149, |
| "MV" => 150, "MW" => 151, "MX" => 152, "MY" => 153, "MZ" => 154, "NA" => 155, |
| "NC" => 156, "NE" => 157, "NF" => 158, "NG" => 159, "NI" => 160, "NL" => 161, |
| "NO" => 162, "NP" => 163, "NR" => 164, "NU" => 165, "NZ" => 166, "OM" => 167, |
| "PA" => 168, "PE" => 169, "PF" => 170, "PG" => 171, "PH" => 172, "PK" => 173, |
| "PL" => 174, "PM" => 175, "PN" => 176, "PR" => 177, "PS" => 178, "PT" => 179, |
| "PW" => 180, "PY" => 181, "QA" => 182, "RE" => 183, "RO" => 184, "RU" => 185, |
| "RW" => 186, "SA" => 187, "SB" => 188, "SC" => 189, "SD" => 190, "SE" => 191, |
| "SG" => 192, "SH" => 193, "SI" => 194, "SJ" => 195, "SK" => 196, "SL" => 197, |
| "SM" => 198, "SN" => 199, "SO" => 200, "SR" => 201, "ST" => 202, "SV" => 203, |
| "SY" => 204, "SZ" => 205, "TC" => 206, "TD" => 207, "TF" => 208, "TG" => 209, |
| "TH" => 210, "TJ" => 211, "TK" => 212, "TM" => 213, "TN" => 214, "TO" => 215, |
| "TL" => 216, "TR" => 217, "TT" => 218, "TV" => 219, "TW" => 220, "TZ" => 221, |
| "UA" => 222, "UG" => 223, "UM" => 224, "US" => 225, "UY" => 226, "UZ" => 227, |
| "VA" => 228, "VC" => 229, "VE" => 230, "VG" => 231, "VI" => 232, "VN" => 233, |
| "VU" => 234, "WF" => 235, "WS" => 236, "YE" => 237, "YT" => 238, "RS" => 239, |
| "ZA" => 240, "ZM" => 241, "ME" => 242, "ZW" => 243, "A1" => 244, "A2" => 245, |
| "O1" => 246, "AX" => 247, "GG" => 248, "IM" => 249, "JE" => 250 |
| ); |
| var $GEOIP_COUNTRY_CODES = array( |
| "", "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" |
| ); |
| var $GEOIP_COUNTRY_CODES3 = array( |
| "","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" |
| ); |
| var $GEOIP_COUNTRY_NAMES = array( |
| "", "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" |
| ); |
| } |
| function geoip_load_shared_mem ($file) { |
| |
| $fp = fopen($file, "rb"); |
| if (!$fp) { |
| print "error opening $file: $php_errormsg\n"; |
| exit; |
| } |
| $s_array = fstat($fp); |
| $size = $s_array['size']; |
| if ($shmid = @shmop_open (GEOIP_SHM_KEY, "w", 0, 0)) { |
| shmop_delete ($shmid); |
| shmop_close ($shmid); |
| } |
| $shmid = shmop_open (GEOIP_SHM_KEY, "c", 0644, $size); |
| shmop_write ($shmid, fread($fp, $size), 0); |
| shmop_close ($shmid); |
| } |
| |
| function _setup_segments($gi){ |
| $gi->databaseType = GEOIP_COUNTRY_EDITION; |
| $gi->record_length = STANDARD_RECORD_LENGTH; |
| if ($gi->flags & GEOIP_SHARED_MEMORY) { |
| $offset = @shmop_size ($gi->shmid) - 3; |
| for ($i = 0; $i < STRUCTURE_INFO_MAX_SIZE; $i++) { |
| $delim = @shmop_read ($gi->shmid, $offset, 3); |
| $offset += 3; |
| if ($delim == (chr(255).chr(255).chr(255))) { |
| $gi->databaseType = ord(@shmop_read ($gi->shmid, $offset, 1)); |
| $offset++; |
| |
| if ($gi->databaseType == GEOIP_REGION_EDITION_REV0){ |
| $gi->databaseSegments = GEOIP_STATE_BEGIN_REV0; |
| } else if ($gi->databaseType == GEOIP_REGION_EDITION_REV1){ |
| $gi->databaseSegments = GEOIP_STATE_BEGIN_REV1; |
| } else if (($gi->databaseType == GEOIP_CITY_EDITION_REV0)|| |
| ($gi->databaseType == GEOIP_CITY_EDITION_REV1) |
| || ($gi->databaseType == GEOIP_ORG_EDITION) |
| || ($gi->databaseType == GEOIP_ISP_EDITION) |
| || ($gi->databaseType == GEOIP_ASNUM_EDITION)){ |
| $gi->databaseSegments = 0; |
| $buf = @shmop_read ($gi->shmid, $offset, SEGMENT_RECORD_LENGTH); |
| for ($j = 0;$j < SEGMENT_RECORD_LENGTH;$j++){ |
| $gi->databaseSegments += (ord($buf[$j]) << ($j * 8)); |
| } |
| if (($gi->databaseType == GEOIP_ORG_EDITION)|| |
| ($gi->databaseType == GEOIP_ISP_EDITION)) { |
| $gi->record_length = ORG_RECORD_LENGTH; |
| } |
| } |
| break; |
| } else { |
| $offset -= 4; |
| } |
| } |
| if (($gi->databaseType == GEOIP_COUNTRY_EDITION)|| |
| ($gi->databaseType == GEOIP_PROXY_EDITION)|| |
| ($gi->databaseType == GEOIP_NETSPEED_EDITION)){ |
| $gi->databaseSegments = GEOIP_COUNTRY_BEGIN; |
| } |
| } else { |
| $filepos = ftell($gi->filehandle); |
| fseek($gi->filehandle, -3, SEEK_END); |
| for ($i = 0; $i < STRUCTURE_INFO_MAX_SIZE; $i++) { |
| $delim = fread($gi->filehandle,3); |
| if ($delim == (chr(255).chr(255).chr(255))){ |
| $gi->databaseType = ord(fread($gi->filehandle,1)); |
| if ($gi->databaseType == GEOIP_REGION_EDITION_REV0){ |
| $gi->databaseSegments = GEOIP_STATE_BEGIN_REV0; |
| } |
| else if ($gi->databaseType == GEOIP_REGION_EDITION_REV1){ |
| $gi->databaseSegments = GEOIP_STATE_BEGIN_REV1; |
| } else if (($gi->databaseType == GEOIP_CITY_EDITION_REV0) || |
| ($gi->databaseType == GEOIP_CITY_EDITION_REV1) || |
| ($gi->databaseType == GEOIP_ORG_EDITION) || |
| ($gi->databaseType == GEOIP_ISP_EDITION) || |
| ($gi->databaseType == GEOIP_ASNUM_EDITION)){ |
| $gi->databaseSegments = 0; |
| $buf = fread($gi->filehandle,SEGMENT_RECORD_LENGTH); |
| for ($j = 0;$j < SEGMENT_RECORD_LENGTH;$j++){ |
| $gi->databaseSegments += (ord($buf[$j]) << ($j * 8)); |
| } |
| if ($gi->databaseType == GEOIP_ORG_EDITION) { |
| $gi->record_length = ORG_RECORD_LENGTH; |
| } |
| } |
| break; |
| } else { |
| fseek($gi->filehandle, -4, SEEK_CUR); |
| } |
| } |
| if (($gi->databaseType == GEOIP_COUNTRY_EDITION)|| |
| ($gi->databaseType == GEOIP_PROXY_EDITION)|| |
| ($gi->databaseType == GEOIP_NETSPEED_EDITION)){ |
| $gi->databaseSegments = GEOIP_COUNTRY_BEGIN; |
| } |
| fseek($gi->filehandle,$filepos,SEEK_SET); |
| } |
| return $gi; |
| } |
| |
| function geoip_open($filename, $flags) { |
| $gi = new GeoIP; |
| $gi->flags = $flags; |
| if ($gi->flags & GEOIP_SHARED_MEMORY) { |
| $gi->shmid = @shmop_open (GEOIP_SHM_KEY, "a", 0, 0); |
| } else { |
| $gi->filehandle = fopen($filename,"rb"); |
| if ($gi->flags & GEOIP_MEMORY_CACHE) { |
| $s_array = fstat($gi->filehandle); |
| $gi->memory_buffer = fread($gi->filehandle, $s_array[size]); |
| } |
| } |
| |
| $gi = _setup_segments($gi); |
| return $gi; |
| } |
| |
| function geoip_close($gi) { |
| if ($gi->flags & GEOIP_SHARED_MEMORY) { |
| return true; |
| } |
| |
| return fclose($gi->filehandle); |
| } |
| |
| function geoip_country_id_by_name($gi, $name) { |
| $addr = gethostbyname($name); |
| if (!$addr || $addr == $name) { |
| return false; |
| } |
| return geoip_country_id_by_addr($gi, $addr); |
| } |
| |
| function geoip_country_code_by_name($gi, $name) { |
| $country_id = geoip_country_id_by_name($gi,$name); |
| if ($country_id !== false) { |
| return $gi->GEOIP_COUNTRY_CODES[$country_id]; |
| } |
| return false; |
| } |
| |
| function geoip_country_name_by_name($gi, $name) { |
| $country_id = geoip_country_id_by_name($gi,$name); |
| if ($country_id !== false) { |
| return $gi->GEOIP_COUNTRY_NAMES[$country_id]; |
| } |
| return false; |
| } |
| |
| function geoip_country_id_by_addr($gi, $addr) { |
| $ipnum = ip2long($addr); |
| return _geoip_seek_country($gi, $ipnum) - GEOIP_COUNTRY_BEGIN; |
| } |
| |
| function geoip_country_code_by_addr($gi, $addr) { |
| if ($gi->databaseType == GEOIP_CITY_EDITION_REV1) { |
| $record = geoip_record_by_addr($gi,$addr); |
| return $record->country_code; |
| } else { |
| $country_id = geoip_country_id_by_addr($gi,$addr); |
| if ($country_id !== false) { |
| return $gi->GEOIP_COUNTRY_CODES[$country_id]; |
| } |
| } |
| return false; |
| } |
| |
| function geoip_country_name_by_addr($gi, $addr) { |
| if ($gi->databaseType == GEOIP_CITY_EDITION_REV1) { |
| $record = geoip_record_by_addr($gi,$addr); |
| return $record->country_name; |
| } else { |
| $country_id = geoip_country_id_by_addr($gi,$addr); |
| if ($country_id !== false) { |
| return $gi->GEOIP_COUNTRY_NAMES[$country_id]; |
| } |
| } |
| return false; |
| } |
| |
| function _geoip_seek_country($gi, $ipnum) { |
| $offset = 0; |
| for ($depth = 31; $depth >= 0; --$depth) { |
| if ($gi->flags & GEOIP_MEMORY_CACHE) { |
| $buf = substr($gi->memory_buffer, |
| 2 * $gi->record_length * $offset, |
| 2 * $gi->record_length); |
| } elseif ($gi->flags & GEOIP_SHARED_MEMORY) { |
| $buf = @shmop_read ($gi->shmid, |
| 2 * $gi->record_length * $offset, |
| 2 * $gi->record_length ); |
| } else { |
| fseek($gi->filehandle, 2 * $gi->record_length * $offset, SEEK_SET) == 0 |
| or die("fseek failed"); |
| $buf = fread($gi->filehandle, 2 * $gi->record_length); |
| } |
| $x = array(0,0); |
| for ($i = 0; $i < 2; ++$i) { |
| for ($j = 0; $j < $gi->record_length; ++$j) { |
| $x[$i] += ord($buf[$gi->record_length * $i + $j]) << ($j * 8); |
| } |
| } |
| if ($ipnum & (1 << $depth)) { |
| if ($x[1] >= $gi->databaseSegments) { |
| return $x[1]; |
| } |
| $offset = $x[1]; |
| } else { |
| if ($x[0] >= $gi->databaseSegments) { |
| return $x[0]; |
| } |
| $offset = $x[0]; |
| } |
| } |
| trigger_error("error traversing database - perhaps it is corrupt?", E_USER_ERROR); |
| return false; |
| } |
| |
| function _get_org($gi,$ipnum){ |
| $seek_org = _geoip_seek_country($gi,$ipnum); |
| if ($seek_org == $gi->databaseSegments) { |
| return NULL; |
| } |
| $record_pointer = $seek_org + (2 * $gi->record_length - 1) * $gi->databaseSegments; |
| if ($gi->flags & GEOIP_SHARED_MEMORY) { |
| $org_buf = @shmop_read ($gi->shmid, $record_pointer, MAX_ORG_RECORD_LENGTH); |
| } else { |
| fseek($gi->filehandle, $record_pointer, SEEK_SET); |
| $org_buf = fread($gi->filehandle,MAX_ORG_RECORD_LENGTH); |
| } |
| $org_buf = substr($org_buf, 0, strpos($org_buf, 0)); |
| return $org_buf; |
| } |
| |
| function geoip_org_by_addr ($gi,$addr) { |
| if ($addr == NULL) { |
| return 0; |
| } |
| $ipnum = ip2long($addr); |
| return _get_org($gi, $ipnum); |
| } |
| |
| function _get_region($gi,$ipnum){ |
| if ($gi->databaseType == GEOIP_REGION_EDITION_REV0){ |
| $seek_region = _geoip_seek_country($gi,$ipnum) - GEOIP_STATE_BEGIN_REV0; |
| if ($seek_region >= 1000){ |
| $country_code = "US"; |
| $region = chr(($seek_region - 1000)/26 + 65) . chr(($seek_region - 1000)%26 + 65); |
| } else { |
| $country_code = $gi->GEOIP_COUNTRY_CODES[$seek_region]; |
| $region = ""; |
| } |
| return array ($country_code,$region); |
| } else if ($gi->databaseType == GEOIP_REGION_EDITION_REV1) { |
| $seek_region = _geoip_seek_country($gi,$ipnum) - GEOIP_STATE_BEGIN_REV1; |
| //print $seek_region; |
| if ($seek_region < US_OFFSET){ |
| $country_code = ""; |
| $region = ""; |
| } else if ($seek_region < CANADA_OFFSET) { |
| $country_code = "US"; |
| $region = chr(($seek_region - US_OFFSET)/26 + 65) . chr(($seek_region - US_OFFSET)%26 + 65); |
| } else if ($seek_region < WORLD_OFFSET) { |
| $country_code = "CA"; |
| $region = chr(($seek_region - CANADA_OFFSET)/26 + 65) . chr(($seek_region - CANADA_OFFSET)%26 + 65); |
| } else { |
| $country_code = $gi->GEOIP_COUNTRY_CODES[($seek_region - WORLD_OFFSET) / FIPS_RANGE]; |
| $region = ""; |
| } |
| return array ($country_code,$region); |
| } |
| } |
| |
| function geoip_region_by_addr ($gi,$addr) { |
| if ($addr == NULL) { |
| return 0; |
| } |
| $ipnum = ip2long($addr); |
| return _get_region($gi, $ipnum); |
| } |
| |
| function getdnsattributes ($l,$ip){ |
| $r = new Net_DNS_Resolver(); |
| $r->nameservers = array("ws1.maxmind.com"); |
| $p = $r->search($l."." . $ip .".s.maxmind.com","TXT","IN"); |
| $str = is_object($p->answer[0])?$p->answer[0]->string():''; |
| ereg("\"(.*)\"",$str,$regs); |
| $str = $regs[1]; |
| return $str; |
| } |
| |
| function getCCByIP($ip) { |
| |
| // path to file needs to be absolute, as fopen() is used to read it |
| $gi = geoip_open(dirname(__FILE__) . "/GeoIP.dat", GEOIP_STANDARD); |
| |
| // get the country code for $ip |
| $cc = geoip_country_code_by_addr($gi, $ip); |
| geoip_close($gi); |
| |
| return $cc; |
| } |
| |
| ?> |