Update mac address database and switch source information provider

pull/504/head
Simon Stürz 2022-03-10 09:10:23 +01:00
parent 28d2f53261
commit 8a9358f08d
3 changed files with 56 additions and 21 deletions

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@ -1,8 +1,14 @@
# Building the MAC address database
The MAC address database can be created using the `build-database.py` script.
There are 2 online services supported:
* [https://maclookup.app](https://maclookup.app) default
* [https://macaddress.io](https://macaddress.io) not free any more, but still supported
The script will download the latest registered MAC address block information
from [https://macaddress.io](https://macaddress.io) and creates a size and access optimized
from [https://maclookup.app](https://maclookup.app) and creates a size and access optimized
SQLITE database file.
The generated database is read performance optimized and tried to keep as small as possible for
@ -12,8 +18,7 @@ searching MAC address OUIs (Organizationally Unique Identifiers) blocks and retu
The final database will be named `mac-addresses.db`.
In nymea the `MacAddressDatabase` class will provide access to this generated database and provides an asynch threaded mechanism to
get the company name for a given MAC address.
In nymea the `MacAddressDatabase` class will provide access to this generated database and provides an asynch threaded mechanism to get the company name for a given MAC address.
The database will be searched in the system default data location `${XDG_DATA_DIRS}/nymead/`.

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@ -2,7 +2,7 @@
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#
# Copyright 2013 - 2021, nymea GmbH
# Copyright 2013 - 2022, nymea GmbH
# Contact: contact@nymea.io
#
# This file is part of nymea.
@ -35,24 +35,56 @@ import sys
import json
import sqlite3
import requests
import argparse
downloadUrl='https://macaddress.io/database/macaddress.io-db.json'
jsonDataFileName = 'macaddress.io-db.json'
# Note: this db is no longer free
databaseFileName = 'mac-addresses.db'
print('Downloading', downloadUrl, '...')
downloadRequest = requests.get(downloadUrl)
open(jsonDataFileName, 'wb').write(downloadRequest.content)
parser = argparse.ArgumentParser(description='Build mac address database from source.')
parser.add_argument('--macaddressio', action='store_true', help='Download and generate using macaddress.io as source (note: not free any more)')
args = parser.parse_args()
print('Reading JSON data..')
vendorInfoHash = {}
jsonDataFile = open(jsonDataFileName, 'r')
lines = jsonDataFile.readlines()
for line in lines:
vendorMap = json.loads(line)
vendorInfoHash[vendorMap['oui']] = vendorMap['companyName']
jsonDataFile.close()
if args.macaddressio:
# Deprecated: not free any more, but would still work if you buy the db
downloadUrl='https://macaddress.io/database/macaddress.io-db.json'
jsonDataFileName = 'macaddress.io-db.json'
print('Downloading', downloadUrl, '...')
downloadRequest = requests.get(downloadUrl)
open(jsonDataFileName, 'wb').write(downloadRequest.content)
print('Reading JSON data..')
jsonDataFile = open(jsonDataFileName, 'r')
lines = jsonDataFile.readlines()
for line in lines:
vendorMap = json.loads(line)
vendorInfoHash[vendorMap['oui']] = vendorMap['companyName']
jsonDataFile.close()
else:
downloadUrl="https://maclookup.app/downloads/json-database/get-db"
jsonDataFileName = 'mac-vendors-export.json'
print('Downloading', downloadUrl, '...')
downloadRequest = requests.get(downloadUrl)
open(jsonDataFileName, 'wb').write(downloadRequest.content)
if not os.path.exists(jsonDataFileName):
print('Could not find %s. Please download the json data from https://maclookup.app/downloads/json-database and place it into this folder.')
print('Reading JSON data..')
# Example: {"macPrefix":"00:00:0C","vendorName":"Cisco Systems, Inc","private":false,"blockType":"MA-L","lastUpdate":"2015/11/17"}
jsonDataFile = open(jsonDataFileName, 'r')
jsonData = json.load(jsonDataFile)
jsonDataFile.close()
for vendorMap in jsonData:
vendorInfoHash[vendorMap['macPrefix']] = vendorMap['vendorName']
print(vendorMap['macPrefix'], vendorMap['vendorName'])
if os.path.exists(databaseFileName):
print('Delete old db file', databaseFileName)
@ -72,7 +104,7 @@ vendorCount = 0
for vendorInfo in sortedVendorHash:
insertQuery = 'INSERT OR IGNORE INTO companyNames (companyName) VALUES(?);'
cursor.execute(insertQuery, [vendorInfo[1]])
cursor.execute('SELECT COUNT(companyName) FROM companyNames');
cursor.execute('SELECT COUNT(companyName) FROM companyNames;')
countResult = cursor.fetchall()
vendorCount = countResult[0][0]
@ -86,12 +118,10 @@ ouiCount = 0
for vendorInfo in sortedOuiHash:
insertQuery = 'INSERT OR IGNORE INTO oui (oui, companyNameIndex) VALUES(?, (SELECT rowid FROM companyNames WHERE companyName = ?));'
cursor.execute(insertQuery, [vendorInfo[0].replace(':', ''), vendorInfo[1]])
cursor.execute('SELECT COUNT(oui) FROM oui');
cursor.execute('SELECT COUNT(oui) FROM oui;')
countResult = cursor.fetchall()
ouiCount = countResult[0][0]
connection.commit()
connection.close()
print('Finished successfully. Loaded', ouiCount, 'OUI values from', vendorCount, 'manufacturers into', databaseFileName)
print('Finished successfully. Loaded', ouiCount, 'OUI values from', vendorCount, 'manufacturers into', databaseFileName)

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