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esp8266/libraries/ESP8266WiFi/examples/BearSSL_CertStore/certs-from-mozilla.py
Max Prokhorov 92002ece2e Device tests updates (#9246)
Stop pyexpect from closing serial port when running with WSL2
Remove makefile flags & opts making it too silent. At some point it makes a lot of useful info just disappear. There are external means of silencing make, so probably best to leave useful data always available

Replace SPIFFS with LittleFS in FS test
Re-use certs-from-mozilla.py in FS test

Fix libc tests w/o -fno-builtin not actually testing anything, also add the flag via .globals.h in case it breaks
Fix libc tests generating warnings when using invalid (but safe) size arguments
2025-05-21 16:21:08 +03:00

75 lines
2.5 KiB
Python
Executable File

#!/usr/bin/env python3
# This script pulls the list of Mozilla trusted certificate authorities
# from the web at the "mozurl" below, parses the file to grab the PEM
# for each cert, and then generates DER files in a new ./data directory
# Upload these to an on-chip filesystem and use the CertManager to parse
# and use them for your outgoing SSL connections.
#
# Script by Earle F. Philhower, III. Released to the public domain.
from __future__ import print_function
import csv
import os
import sys
from shutil import which
from io import StringIO
from subprocess import Popen, PIPE, call, CalledProcessError
from urllib.request import urlopen
# check if ar and openssl are available
if which('ar') is None and not os.path.isfile('./ar') and not os.path.isfile('./ar.exe'):
raise Exception("You need the program 'ar' from xtensa-lx106-elf found here: (esp8266-arduino-core)/hardware/esp8266com/esp8266/tools/xtensa-lx106-elf/xtensa-lx106-elf/bin/ar")
if which('openssl') is None and not os.path.isfile('./openssl') and not os.path.isfile('./openssl.exe'):
raise Exception("You need to have openssl in PATH, installable from https://www.openssl.org/")
# Mozilla's URL for the CSV file with included PEM certs
mozurl = "https://ccadb-public.secure.force.com/mozilla/IncludedCACertificateReportPEMCSV"
# Load the names[] and pems[] array from the URL
names = []
pems = []
response = urlopen(mozurl)
csvData = response.read()
if sys.version_info[0] > 2:
csvData = csvData.decode('utf-8')
csvFile = StringIO(csvData)
csvReader = csv.reader(csvFile)
for row in csvReader:
names.append(row[0]+":"+row[1]+":"+row[2])
for item in row:
if item.startswith("'-----BEGIN CERTIFICATE-----"):
pems.append(item)
del names[0] # Remove headers
# Try and make ./data, skip if present
try:
os.mkdir("data")
except Exception:
pass
derFiles = []
idx = 0
# Process the text PEM using openssl into DER files
for i in range(0, len(pems)):
certName = "data/ca_%03d.der" % (idx);
thisPem = pems[i].replace("'", "")
print(names[i] + " -> " + certName)
ssl = Popen(['openssl','x509','-inform','PEM','-outform','DER','-out', certName], shell = False, stdin = PIPE)
ssl.communicate(thisPem.encode('utf-8'))
ret = ssl.wait()
if ret != 0:
raise CalledProcessError(ret, certName)
if os.path.exists(certName):
derFiles.append(certName)
idx = idx + 1
if os.path.exists("data/certs.ar"):
os.unlink("data/certs.ar");
arCmd = ['ar', 'q', 'data/certs.ar'] + derFiles;
call( arCmd )
for der in derFiles:
os.unlink(der)