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whereami.tcl
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#!/usr/bin/tclsh
###############################################################################
# #
# File name whereami.tcl #
# #
# Description Get the system location based on its IP address #
# #
# Notes: Uses the APIs on https://freegeoip.app/ #
# #
# Works on both Unix and Windows. #
# #
# On Unix, this requires the tcllib and tcltls packages. #
# If they're not installed, run, for example: #
# yum install tcllib tcltls #
# #
# On windows, requires installing a Tcl interpreter, #
# and configuring it to run *.tcl scripts as command-line #
# scripts. For explanations on how to do that, see: #
# https://github.com/JFLarvoire/SysToolsLib/tree/master/Tcl #
# #
# Authors: JFL [email protected] #
# #
# History: #
# 2019-11-15 JFL Created this script. #
# 2019-11-16 JFL Added the DB of time zone names, and set TZABBR, DSTZABBR.#
# 2019-11-17 JFL Added options -s & -u to write respectively a system #
# configuration file, and a user configuration file. #
# 2019-11-18 JFL Fixed the configuration file name for Windows. #
# Added option -X | --noexec for a no-execute mode. #
# Added preliminary support for web proxys. #
# 2019-11-21 JFL Improved the help screen. #
# #
###############################################################################
# Set defaults
set version "2019-11-21"
set script [file tail $argv0]
# Remove an argument from the head of a routine argument list.
proc PopArg {{name args}} {
upvar 1 $name args
set arg [lindex $args 0] ; # Extract the first list element.
set args [lrange $args 1 end] ; # Remove the first list element.
return $arg
}
#-----------------------------------------------------------------------------#
# Database of timezone names
# Adapted from Boost date_time_zonespec.csv at
# https://github.com/boostorg/date_time/blob/master/data/date_time_zonespec.csv
# See Boost copyright at https://github.com/boostorg/date_time/blob/develop/LICENSE
foreach {name TZ DSTZ} {
"Africa/Abidjan" "GMT" ""
"Africa/Accra" "GMT" ""
"Africa/Addis_Ababa" "EAT" ""
"Africa/Algiers" "CET" ""
"Africa/Asmara" "EAT" ""
"Africa/Asmera" "EAT" ""
"Africa/Bamako" "GMT" ""
"Africa/Bangui" "WAT" ""
"Africa/Banjul" "GMT" ""
"Africa/Bissau" "GMT" ""
"Africa/Blantyre" "CAT" ""
"Africa/Brazzaville" "WAT" ""
"Africa/Bujumbura" "CAT" ""
"Africa/Cairo" "EET" ""
"Africa/Casablanca" "WET" "WEST"
"Africa/Ceuta" "CET" "CEST"
"Africa/Conakry" "GMT" ""
"Africa/Dakar" "GMT" ""
"Africa/Dar_es_Salaam" "EAT" ""
"Africa/Djibouti" "EAT" ""
"Africa/Douala" "WAT" ""
"Africa/El_Aaiun" "WET" "WEST"
"Africa/Freetown" "GMT" ""
"Africa/Gaborone" "CAT" ""
"Africa/Harare" "CAT" ""
"Africa/Johannesburg" "SAST" ""
"Africa/Juba" "EAT" ""
"Africa/Kampala" "EAT" ""
"Africa/Khartoum" "EAT" ""
"Africa/Kigali" "CAT" ""
"Africa/Kinshasa" "WAT" ""
"Africa/Lagos" "WAT" ""
"Africa/Libreville" "WAT" ""
"Africa/Lome" "GMT" ""
"Africa/Luanda" "WAT" ""
"Africa/Lubumbashi" "CAT" ""
"Africa/Lusaka" "CAT" ""
"Africa/Malabo" "WAT" ""
"Africa/Maputo" "CAT" ""
"Africa/Maseru" "SAST" ""
"Africa/Mbabane" "SAST" ""
"Africa/Mogadishu" "EAT" ""
"Africa/Monrovia" "GMT" ""
"Africa/Nairobi" "EAT" ""
"Africa/Ndjamena" "WAT" ""
"Africa/Niamey" "WAT" ""
"Africa/Nouakchott" "GMT" ""
"Africa/Ouagadougou" "GMT" ""
"Africa/Porto-Novo" "WAT" ""
"Africa/Porto_Novo" "WAT" ""
"Africa/Sao_Tome" "GMT" ""
"Africa/Timbuktu" "GMT" ""
"Africa/Tripoli" "EET" ""
"Africa/Tunis" "CET" ""
"Africa/Windhoek" "WAT" "WAST"
"America/Adak" "HST" "HDT"
"America/Anchorage" "AKST" "AKDT"
"America/Anguilla" "AST" ""
"America/Antigua" "AST" ""
"America/Araguaina" "BRT" ""
"America/Argentina/Buenos_Aires" "ART" ""
"America/Argentina/Catamarca" "ART" ""
"America/Argentina/ComodRivadavia" "ART" ""
"America/Argentina/Cordoba" "ART" ""
"America/Argentina/Jujuy" "ART" ""
"America/Argentina/La_Rioja" "ART" ""
"America/Argentina/Mendoza" "ART" ""
"America/Argentina/Rio_Gallegos" "ART" ""
"America/Argentina/Salta" "ART" ""
"America/Argentina/San_Juan" "ART" ""
"America/Argentina/San_Luis" "ART" ""
"America/Argentina/Tucuman" "ART" ""
"America/Argentina/Ushuaia" "ART" ""
"America/Aruba" "AST" ""
"America/Asuncion" "PYT" "PYST"
"America/Atikokan" "EST" ""
"America/Atka" "HST" "HDT"
"America/Bahia" "BRT" ""
"America/Bahia_Banderas" "CST" "CDT"
"America/Barbados" "AST" ""
"America/Belem" "BRT" ""
"America/Belize" "CST" ""
"America/Beulah" "CST" "CDT"
"America/Blanc-Sablon" "AST" ""
"America/Blanc_Sablon" "AST" ""
"America/Boa_Vista" "AMT" ""
"America/Bogota" "COT" ""
"America/Boise" "MST" "MDT"
"America/Buenos_Aires" "ART" ""
"America/Cambridge_Bay" "MST" "MDT"
"America/Campo_Grande" "AMT" "AMST"
"America/Cancun" "EST" ""
"America/Caracas" "VET" ""
"America/Catamarca" "ART" ""
"America/Cayenne" "GFT" ""
"America/Cayman" "EST" ""
"America/Center" "CST" "CDT"
"America/Chicago" "CST" "CDT"
"America/Chihuahua" "MST" "MDT"
"America/ComodRivadavia" "ART" ""
"America/Coral_Harbour" "EST" ""
"America/Cordoba" "ART" ""
"America/Costa_Rica" "CST" ""
"America/Creston" "MST" ""
"America/Cuiaba" "AMT" "AMST"
"America/Curacao" "AST" ""
"America/Danmarkshavn" "GMT" ""
"America/Dawson" "PST" "PDT"
"America/Dawson_Creek" "MST" ""
"America/Denver" "MST" "MDT"
"America/Detroit" "EST" "EDT"
"America/Dominica" "AST" ""
"America/Edmonton" "MST" "MDT"
"America/Eirunepe" "ACT" ""
"America/El_Salvador" "CST" ""
"America/Ensenada" "PST" "PDT"
"America/Fortaleza" "BRT" ""
"America/Fort_Wayne" "EST" "EDT"
"America/Glace_Bay" "AST" "ADT"
"America/Godthab" "WGT" "WGST"
"America/Goose_Bay" "AST" "ADT"
"America/Grand_Turk" "AST" ""
"America/Grenada" "AST" ""
"America/Guadeloupe" "AST" ""
"America/Guatemala" "CST" ""
"America/Guayaquil" "ECT" ""
"America/Guyana" "GYT" ""
"America/Halifax" "AST" "ADT"
"America/Havana" "CST" "CDT"
"America/Hermosillo" "MST" ""
"America/Indiana/Indianapolis" "EST" "EDT"
"America/Indiana/Knox" "CST" "CDT"
"America/Indiana/Marengo" "EST" "EDT"
"America/Indiana/Petersburg" "EST" "EDT"
"America/Indiana/Tell_City" "CST" "CDT"
"America/Indiana/Vevay" "EST" "EDT"
"America/Indiana/Vincennes" "EST" "EDT"
"America/Indiana/Winamac" "EST" "EDT"
"America/Indianapolis" "EST" "EDT"
"America/Inuvik" "MST" "MDT"
"America/Iqaluit" "EST" "EDT"
"America/Jamaica" "EST" ""
"America/Jujuy" "ART" ""
"America/Juneau" "AKST" "AKDT"
"America/Kentucky/Louisville" "EST" "EDT"
"America/Kentucky/Monticello" "EST" "EDT"
"America/Knox" "CST" "CDT"
"America/Knox_IN" "CST" "CDT"
"America/Kralendijk" "AST" ""
"America/La_Paz" "BOT" ""
"America/La_Rioja" "ART" ""
"America/Lima" "PET" ""
"America/Los_Angeles" "PST" "PDT"
"America/Louisville" "EST" "EDT"
"America/Lower_Princes" "AST" ""
"America/Maceio" "BRT" ""
"America/Managua" "CST" ""
"America/Manaus" "AMT" ""
"America/Marengo" "EST" "EDT"
"America/Marigot" "AST" ""
"America/Martinique" "AST" ""
"America/Matamoros" "CST" "CDT"
"America/Mazatlan" "MST" "MDT"
"America/Mendoza" "ART" ""
"America/Menominee" "CST" "CDT"
"America/Merida" "CST" "CDT"
"America/Metlakatla" "AKST" "AKDT"
"America/Mexico_City" "CST" "CDT"
"America/Miquelon" "PMST" "PMDT"
"America/Moncton" "AST" "ADT"
"America/Monterrey" "CST" "CDT"
"America/Montevideo" "UYT" ""
"America/Monticello" "EST" "EDT"
"America/Montreal" "EST" "EDT"
"America/Montserrat" "AST" ""
"America/Nassau" "EST" "EDT"
"America/New_Salem" "CST" "CDT"
"America/New_York" "EST" "EDT"
"America/Nipigon" "EST" "EDT"
"America/Nome" "AKST" "AKDT"
"America/Noronha" "FNT" ""
"America/North_Dakota/Beulah" "CST" "CDT"
"America/North_Dakota/Center" "CST" "CDT"
"America/North_Dakota/New_Salem" "CST" "CDT"
"America/Ojinaga" "MST" "MDT"
"America/Panama" "EST" ""
"America/Pangnirtung" "EST" "EDT"
"America/Paramaribo" "SRT" ""
"America/Petersburg" "EST" "EDT"
"America/Phoenix" "MST" ""
"America/Port-au-Prince" "EST" ""
"America/Porto_Acre" "ACT" ""
"America/Porto_Velho" "AMT" ""
"America/Port_au_Prince" "EST" ""
"America/Port_of_Spain" "AST" ""
"America/Puerto_Rico" "AST" ""
"America/Rainy_River" "CST" "CDT"
"America/Rankin_Inlet" "CST" "CDT"
"America/Recife" "BRT" ""
"America/Regina" "CST" ""
"America/Resolute" "CST" "CDT"
"America/Rio_Branco" "ACT" ""
"America/Rio_Gallegos" "ART" ""
"America/Rosario" "ART" ""
"America/Salta" "ART" ""
"America/Santarem" "BRT" ""
"America/Santa_Isabel" "PST" "PDT"
"America/Santiago" "CLT" "CLST"
"America/Santo_Domingo" "AST" ""
"America/San_Juan" "ART" ""
"America/San_Luis" "ART" ""
"America/Sao_Paulo" "BRT" "BRST"
"America/Scoresbysund" "EGT" "EGST"
"America/Shiprock" "MST" "MDT"
"America/Sitka" "AKST" "AKDT"
"America/St_Barthelemy" "AST" ""
"America/St_Johns" "NST" "NDT"
"America/St_Kitts" "AST" ""
"America/St_Lucia" "AST" ""
"America/St_Thomas" "AST" ""
"America/St_Vincent" "AST" ""
"America/Swift_Current" "CST" ""
"America/Tegucigalpa" "CST" ""
"America/Tell_City" "CST" "CDT"
"America/Thule" "AST" "ADT"
"America/Thunder_Bay" "EST" "EDT"
"America/Tijuana" "PST" "PDT"
"America/Toronto" "EST" "EDT"
"America/Tortola" "AST" ""
"America/Tucuman" "ART" ""
"America/Ushuaia" "ART" ""
"America/Vancouver" "PST" "PDT"
"America/Vevay" "EST" "EDT"
"America/Vincennes" "EST" "EDT"
"America/Virgin" "AST" ""
"America/Whitehorse" "PST" "PDT"
"America/Winamac" "EST" "EDT"
"America/Winnipeg" "CST" "CDT"
"America/Yakutat" "AKST" "AKDT"
"America/Yellowknife" "MST" "MDT"
"Antarctica/Casey" "AWST" ""
"Antarctica/Davis" "DAVT" ""
"Antarctica/DumontDUrville" "DDUT" ""
"Antarctica/Macquarie" "MIST" ""
"Antarctica/Mawson" "MAWT" ""
"Antarctica/McMurdo" "NZST" "NZDT"
"Antarctica/Palmer" "CLT" "CLST"
"Antarctica/Rothera" "ROTT" ""
"Antarctica/South_Pole" "NZST" "NZDT"
"Antarctica/Syowa" "SYOT" ""
"Antarctica/Troll" "UTC" "CEST"
"Antarctica/Vostok" "VOST" ""
"Arctic/Longyearbyen" "CET" "CEST"
"Asia/Aden" "AST" ""
"Asia/Almaty" "ALMT" ""
"Asia/Amman" "EET" "EEST"
"Asia/Anadyr" "ANAT" ""
"Asia/Aqtau" "AQTT" ""
"Asia/Aqtobe" "AQTT" ""
"Asia/Ashgabat" "TMT" ""
"Asia/Ashkhabad" "TMT" ""
"Asia/Baghdad" "AST" ""
"Asia/Bahrain" "AST" ""
"Asia/Baku" "AZT" ""
"Asia/Bangkok" "ICT" ""
"Asia/Beirut" "EET" "EEST"
"Asia/Bishkek" "KGT" ""
"Asia/Brunei" "BNT" ""
"Asia/Calcutta" "IST" ""
"Asia/Chita" "YAKT" ""
"Asia/Choibalsan" "CHOT" "CHOST"
"Asia/Chongqing" "CST" ""
"Asia/Chungking" "CST" ""
"Asia/Colombo" "IST" ""
"Asia/Dacca" "BDT" ""
"Asia/Damascus" "EET" "EEST"
"Asia/Dhaka" "BDT" ""
"Asia/Dili" "TLT" ""
"Asia/Dubai" "GST" ""
"Asia/Dushanbe" "TJT" ""
"Asia/Gaza" "EET" "EEST"
"Asia/Harbin" "CST" ""
"Asia/Hebron" "EET" "EEST"
"Asia/Hong_Kong" "HKT" ""
"Asia/Hovd" "HOVT" "HOVST"
"Asia/Ho_Chi_Minh" "ICT" ""
"Asia/Irkutsk" "IRKT" ""
"Asia/Istanbul" "EET" "EEST"
"Asia/Jakarta" "WIB" ""
"Asia/Jayapura" "WIT" ""
"Asia/Jerusalem" "IST" "IDT"
"Asia/Kabul" "AFT" ""
"Asia/Kamchatka" "PETT" ""
"Asia/Karachi" "PKT" ""
"Asia/Kashgar" "XJT" ""
"Asia/Kathmandu" "NPT" ""
"Asia/Katmandu" "NPT" ""
"Asia/Khandyga" "YAKT" ""
"Asia/Kolkata" "IST" ""
"Asia/Krasnoyarsk" "KRAT" ""
"Asia/Kuala_Lumpur" "MYT" ""
"Asia/Kuching" "MYT" ""
"Asia/Kuwait" "AST" ""
"Asia/Macao" "CST" ""
"Asia/Macau" "CST" ""
"Asia/Magadan" "MAGT" ""
"Asia/Makassar" "WITA" ""
"Asia/Manila" "PHT" ""
"Asia/Muscat" "GST" ""
"Asia/Nicosia" "EET" "EEST"
"Asia/Novokuznetsk" "KRAT" ""
"Asia/Novosibirsk" "NOVT" ""
"Asia/Omsk" "OMST" ""
"Asia/Oral" "ORAT" ""
"Asia/Phnom_Penh" "ICT" ""
"Asia/Pontianak" "WIB" ""
"Asia/Pyongyang" "KST" ""
"Asia/Qatar" "AST" ""
"Asia/Qyzylorda" "QYZT" ""
"Asia/Rangoon" "MMT" ""
"Asia/Riyadh" "AST" ""
"Asia/Saigon" "ICT" ""
"Asia/Sakhalin" "SAKT" ""
"Asia/Samarkand" "UZT" ""
"Asia/Seoul" "KST" ""
"Asia/Shanghai" "CST" ""
"Asia/Singapore" "SGT" ""
"Asia/Srednekolymsk" "SRET" ""
"Asia/Taipei" "CST" ""
"Asia/Tashkent" "UZT" ""
"Asia/Tbilisi" "GET" ""
"Asia/Tehran" "IRST" "IRDT"
"Asia/Tel_Aviv" "IST" "IDT"
"Asia/Thimbu" "BTT" ""
"Asia/Thimphu" "BTT" ""
"Asia/Tokyo" "JST" ""
"Asia/Ujung_Pandang" "WITA" ""
"Asia/Ulaanbaatar" "ULAT" "ULAST"
"Asia/Ulan_Bator" "ULAT" "ULAST"
"Asia/Urumqi" "XJT" ""
"Asia/Ust-Nera" "VLAT" ""
"Asia/Ust_Nera" "VLAT" ""
"Asia/Vientiane" "ICT" ""
"Asia/Vladivostok" "VLAT" ""
"Asia/Yakutsk" "YAKT" ""
"Asia/Yekaterinburg" "YEKT" ""
"Asia/Yerevan" "AMT" ""
"Atlantic/Azores" "AZOT" "AZOST"
"Atlantic/Bermuda" "AST" "ADT"
"Atlantic/Canary" "WET" "WEST"
"Atlantic/Cape_Verde" "CVT" ""
"Atlantic/Faeroe" "WET" "WEST"
"Atlantic/Faroe" "WET" "WEST"
"Atlantic/Jan_Mayen" "CET" "CEST"
"Atlantic/Madeira" "WET" "WEST"
"Atlantic/Reykjavik" "GMT" ""
"Atlantic/South_Georgia" "GST" ""
"Atlantic/Stanley" "FKST" ""
"Atlantic/St_Helena" "GMT" ""
"Australia/ACT" "AEST" "AEDT"
"Australia/Adelaide" "ACST" "ACDT"
"Australia/Brisbane" "AEST" ""
"Australia/Broken_Hill" "ACST" "ACDT"
"Australia/Canberra" "AEST" "AEDT"
"Australia/Currie" "AEST" "AEDT"
"Australia/Darwin" "ACST" ""
"Australia/Eucla" "ACWST" ""
"Australia/Hobart" "AEST" "AEDT"
"Australia/LHI" "LHST" "LHDT"
"Australia/Lindeman" "AEST" ""
"Australia/Lord_Howe" "LHST" "LHDT"
"Australia/Melbourne" "AEST" "AEDT"
"Australia/North" "ACST" ""
"Australia/NSW" "AEST" "AEDT"
"Australia/Perth" "AWST" ""
"Australia/Queensland" "AEST" ""
"Australia/South" "ACST" "ACDT"
"Australia/Sydney" "AEST" "AEDT"
"Australia/Tasmania" "AEST" "AEDT"
"Australia/Victoria" "AEST" "AEDT"
"Australia/West" "AWST" ""
"Australia/Yancowinna" "ACST" "ACDT"
"Brazil/Acre" "ACT" ""
"Brazil/DeNoronha" "FNT" ""
"Brazil/East" "BRT" "BRST"
"Brazil/West" "AMT" ""
"Canada/Atlantic" "AST" "ADT"
"Canada/Central" "CST" "CDT"
"Canada/East-Saskatchewan" "CST" ""
"Canada/Eastern" "EST" "EDT"
"Canada/East_Saskatchewan" "CST" ""
"Canada/Mountain" "MST" "MDT"
"Canada/Newfoundland" "NST" "NDT"
"Canada/Pacific" "PST" "PDT"
"Canada/Saskatchewan" "CST" ""
"Canada/Yukon" "PST" "PDT"
"Chile/Continental" "CLT" "CLST"
"Chile/EasterIsland" "EAST" "EASST"
"Etc/GMT" "GMT" ""
"Etc/Greenwich" "GMT" ""
"Etc/UCT" "UCT" ""
"Etc/Universal" "UTC" ""
"Etc/UTC" "UTC" ""
"Etc/Zulu" "UTC" ""
"Europe/Amsterdam" "CET" "CEST"
"Europe/Andorra" "CET" "CEST"
"Europe/Athens" "EET" "EEST"
"Europe/Belfast" "GMT" "BST"
"Europe/Belgrade" "CET" "CEST"
"Europe/Berlin" "CET" "CEST"
"Europe/Bratislava" "CET" "CEST"
"Europe/Brussels" "CET" "CEST"
"Europe/Bucharest" "EET" "EEST"
"Europe/Budapest" "CET" "CEST"
"Europe/Busingen" "CET" "CEST"
"Europe/Chisinau" "EET" "EEST"
"Europe/Copenhagen" "CET" "CEST"
"Europe/Dublin" "GMT" "IST"
"Europe/Gibraltar" "CET" "CEST"
"Europe/Guernsey" "GMT" "BST"
"Europe/Helsinki" "EET" "EEST"
"Europe/Isle_of_Man" "GMT" "BST"
"Europe/Istanbul" "EET" "EEST"
"Europe/Jersey" "GMT" "BST"
"Europe/Kaliningrad" "EET" ""
"Europe/Kiev" "EET" "EEST"
"Europe/Lisbon" "WET" "WEST"
"Europe/Ljubljana" "CET" "CEST"
"Europe/London" "GMT" "BST"
"Europe/Luxembourg" "CET" "CEST"
"Europe/Madrid" "CET" "CEST"
"Europe/Malta" "CET" "CEST"
"Europe/Mariehamn" "EET" "EEST"
"Europe/Minsk" "MSK" ""
"Europe/Monaco" "CET" "CEST"
"Europe/Moscow" "MSK" ""
"Europe/Nicosia" "EET" "EEST"
"Europe/Oslo" "CET" "CEST"
"Europe/Paris" "CET" "CEST"
"Europe/Podgorica" "CET" "CEST"
"Europe/Prague" "CET" "CEST"
"Europe/Riga" "EET" "EEST"
"Europe/Rome" "CET" "CEST"
"Europe/Samara" "SAMT" ""
"Europe/San_Marino" "CET" "CEST"
"Europe/Sarajevo" "CET" "CEST"
"Europe/Simferopol" "MSK" ""
"Europe/Skopje" "CET" "CEST"
"Europe/Sofia" "EET" "EEST"
"Europe/Stockholm" "CET" "CEST"
"Europe/Tallinn" "EET" "EEST"
"Europe/Tirane" "CET" "CEST"
"Europe/Tiraspol" "EET" "EEST"
"Europe/Uzhgorod" "EET" "EEST"
"Europe/Vaduz" "CET" "CEST"
"Europe/Vatican" "CET" "CEST"
"Europe/Vienna" "CET" "CEST"
"Europe/Vilnius" "EET" "EEST"
"Europe/Volgograd" "MSK" ""
"Europe/Warsaw" "CET" "CEST"
"Europe/Zagreb" "CET" "CEST"
"Europe/Zaporozhye" "EET" "EEST"
"Europe/Zurich" "CET" "CEST"
"Indian/Antananarivo" "EAT" ""
"Indian/Chagos" "IOT" ""
"Indian/Christmas" "CXT" ""
"Indian/Cocos" "CCT" ""
"Indian/Comoro" "EAT" ""
"Indian/Kerguelen" "TFT" ""
"Indian/Mahe" "SCT" ""
"Indian/Maldives" "MVT" ""
"Indian/Mauritius" "MUT" ""
"Indian/Mayotte" "EAT" ""
"Indian/Reunion" "RET" ""
"Mexico/BajaNorte" "PST" "PDT"
"Mexico/BajaSur" "MST" "MDT"
"Mexico/General" "CST" "CDT"
"Pacific/Apia" "WSST" "WSDT"
"Pacific/Auckland" "NZST" "NZDT"
"Pacific/Chatham" "CHAST" "CHADT"
"Pacific/Chuuk" "CHUT" ""
"Pacific/Easter" "EAST" "EASST"
"Pacific/Efate" "VUT" ""
"Pacific/Enderbury" "PHOT" ""
"Pacific/Fakaofo" "TKT" ""
"Pacific/Fiji" "FJT" "FJST"
"Pacific/Funafuti" "TVT" ""
"Pacific/Galapagos" "GALT" ""
"Pacific/Gambier" "GAMT" ""
"Pacific/Guadalcanal" "SBT" ""
"Pacific/Guam" "ChST" ""
"Pacific/Honolulu" "HST" ""
"Pacific/Johnston" "HST" ""
"Pacific/Kiritimati" "LINT" ""
"Pacific/Kosrae" "KOST" ""
"Pacific/Kwajalein" "MHT" ""
"Pacific/Majuro" "MHT" ""
"Pacific/Marquesas" "MART" ""
"Pacific/Midway" "SST" ""
"Pacific/Nauru" "NRT" ""
"Pacific/Niue" "NUT" ""
"Pacific/Norfolk" "NFT" ""
"Pacific/Noumea" "NCT" ""
"Pacific/Pago_Pago" "SST" ""
"Pacific/Palau" "PWT" ""
"Pacific/Pitcairn" "PST" ""
"Pacific/Pohnpei" "PONT" ""
"Pacific/Ponape" "PONT" ""
"Pacific/Port_Moresby" "PGT" ""
"Pacific/Rarotonga" "CKT" ""
"Pacific/Saipan" "ChST" ""
"Pacific/Samoa" "SST" ""
"Pacific/Tahiti" "TAHT" ""
"Pacific/Tarawa" "GILT" ""
"Pacific/Tongatapu" "TOT" ""
"Pacific/Truk" "CHUT" ""
"Pacific/Wake" "WAKT" ""
"Pacific/Wallis" "WFT" ""
"Pacific/Yap" "CHUT" ""
} {
set name [string toupper $name]
set TZDB($name) $TZ
set DSTZDB($name) $DSTZ
}
###############################################################################
# Main routines #
###############################################################################
#-----------------------------------------------------------------------------#
# #
# Function Main #
# #
# Description Process command line arguments. #
# #
# Parameters argc The number of arguments #
# argv List of arguments #
# #
# Returns 0 if success #
# #
# Notes: #
# #
# History: #
# 2005/01/15 JFL Created this routine. #
# #
#-----------------------------------------------------------------------------#
# Usage string
if {$::tcl_platform(platform) == "windows"} {
set systemProfile "%windir%\location.inf"
set userProfile "%USERPROFILE%\location.inf"
set root "Administrator"
} else { # Unix
set systemProfile "/etc/location.conf"
set userProfile "~/.location"
set root "root"
}
set usage [subst -nobackslashes -nocommands {
$script - Get the system location based on its IP address
Usage: $script [OPTIONS] [SERVER|IP]
Options:
-?|-h Display this help and exit
-d Debug mode. Display internal infos about how things work
-j Display the freegeoip.app JSON response
-s Save the system location data into file $systemProfile
(Recommended for today/sunrise/sunset. Must be running as $root.)
-u Save the user location data into file $userProfile
(Alternative for today/sunrise/sunset, when not running as $root.)
-v Verbose mode. Display more infos about commands and results
-V Display this script version and exit
-x Display the freegeoip.app XML response
Server|IP: The DNS name or IP address of another system. Default: This system's
Note: Uses https://freegeoip.app/. This requires a connection to the Internet.
}]
set usage [string range $usage 1 end] ;# Remove the initial \n
if {$::tcl_platform(platform) == "windows"} {
set usage [string range $usage 0 end-1] ;# Remove the final \n
}
# Default settings
set action "list"
set api "json"
set host ""
set debug 0
set verbose 0
set noExec 0
# Scan all arguments.
set args $argv
while {"$args" != ""} {
set arg [PopArg]
switch -- $arg {
"-d" - "--debug" { # Debug mode
set debug 1
}
"-h" - "--help" - "-?" - "/?" { # Display a help screen and exit.
puts $usage
exit 0
}
"-j" - "--json" { # Dump the raw json data
set api "json"
set action "dump"
}
"-s" - "--system" { # Save the /etc/location.conf configuration file
set api "json"
set action "system"
}
"-u" - "--user" { # Save the ~/.location configuration file
set api "json"
set action "user"
}
"-v" - "--verbose" { # Verbose mode
set verbose 1
}
"-V" - "--version" { # Display this library version
puts $version
exit 0
}
"-x" - "--xml" { # Dump the raw xml data
set api "xml"
set action "dump"
}
"-X" - "--noexec" { # No-exec mode
set noExec 1
}
default {
if {"$host"==""} { ; # If the host is not set...
set host $arg
} else { ; # Anything else is an error.
puts stderr "Unrecognized argument: $arg"
exit 1
}
}
}
}
# Only enforce these requirements now. This allows getting the help, even
# on systems that are missing the necessary packages.
set err [catch {
package require json
# proc yes args { # Traces TLS handshake, and forces certificates validation
# puts "yes $args"
# return 1
# }
package require http
set tlsVersion [package require tls]
if $debug { puts "tls version $tlsVersion" }
# Disable ssl3, as the ssl3 handshake fails to connect to https://freegeoip.app/
# (Probably disabled on the server side to prevent POODLE attacks.)
# tls::init -require false -request false -ssl2 0 -ssl3 0 ;# -command ::yes
set apVersion [package require autoproxy]
if $debug { puts "autoproxy version $apVersion" }
autoproxy::init
# Work around issues in tls 1.6, which lacks init option -autoservername true
proc tls_socket args {
# puts "tls_socket $args"
# set opts [lrange $args 0 end-2]
set host [lindex $args end-1]
# set port [lindex $args end]
# set cmd [concat ::tls::socket -servername $host $args]
# set proxyHost [::autoproxy::cget -host]
if {"$host" == "freegeoip.app"} {
set ssl3 {-ssl3 0}
} else {
set ssl3 {}
}
set cmd [concat ::autoproxy::tls_socket $ssl3 -servername $host $args]
if $::debug { puts $cmd }
# eval $cmd
uplevel $cmd ;# ::autoproxy::tls_socket requires this instead, as it accesses variables in the upvar 1 caller's frame
}
# http::register https 443 ::tls::socket ;# The default TLS socket
http::register https 443 ::tls_socket ;# Our TLS socket front end
# http::register https 443 ::autoproxy::tls_socket ;# The autoproxy socket front end
} errMsg]
if {$err} {
set pkg tls
regexp {package (\S+)} $errMsg - pkg
if {$::tcl_platform(platform) == "windows"} {
set msg "This script depends on the tls and json packages.
If they're not installed, please run, for example: teacup install $pkg"
} else {
set msg {This script depends on the tcllib and tcltls packages.
If they're not installed, please run, for example: yum install tcllib tcltls}
}
puts stderr "$script: Error: $errMsg\n$msg"
exit 1
}
set url "https://freegeoip.app/$api/$host"
# set url "https://google.com"
set err [catch {
if {$verbose || $debug} {
puts "# GET $url"
}
set token [http::geturl $url]
set reply [http::data $token]
# Merge the following two actions into a single "save" action
switch $action {
"system" {
if {"$::tcl_platform(platform)" == "windows"} {
set filename "$env(windir)\\location.inf"
} else {
set filename "/etc/location.conf"
}
set action "save"
}
"user" {
if {"$::tcl_platform(platform)" == "windows"} {
set filename "$env(USERPROFILE)\\location.inf"
} else {
set filename "$env(HOME)/.location"
}
set action "save"
}
}
# Merge the following two actions into a single "list" action
switch $action {
"list" {
set hFile "stdout"
}
"save" {
puts "Writing location data to \"[file nativename $filename]\""
if {!$noExec} {
set hFile [open $filename "w"]
} else {
set hFile "stdout"
}
set action "list"
}
}
switch $action {
"dump" {
puts -nonewline $reply
}
"list" {
set data [json::json2dict $reply]
foreach {key value} $data {
set key [string toupper $key]
regsub -all "_" $key "" key
puts $hFile "$key = $value"
if {$key == "TIMEZONE"} {
set tzNAME [string toupper $value]
catch {
set tzAbbr $TZDB($tzNAME)
puts $hFile "TZABBR = $tzAbbr"
set dstzAbbr $DSTZDB($tzNAME)
puts $hFile "DSTZABBR = $dstzAbbr"
}
}
}
if {$hFile != "stdout"} {
close $hFile
}
}
}
} errMsg]
if $err {
# Known issue with ActiveTcl 8.5:
if {$errMsg == "wrong # args: should be \"tls::socket ?options? host port\""} {
set errMsg "Old buggy version of tls detected. Please update the tls package"
if {$::tcl_platform(platform) == "windows"} {
set errMsg "$errMsg, or update to ActiveTcl 8.6"
}
set errMsg "$errMsg."
}
puts stderr "$script: $errMsg"
exit 1
}
exit 0