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cacert-webdb
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add-quality-check-script
Jan Dittberner 1 month ago
parent 52992aad46
commit fe02217028
1 changed files with 77 additions and 31 deletions
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108
scripts/check_db_certificates.py
Unescape Escape View File

@ -3,13 +3,12 @@ import logging
import os
import re
import typing
from datetime import datetime, timezone
from typing import NamedTuple
from cryptography import x509
from cryptography.exceptions import UnsupportedAlgorithm
from cryptography.hazmat.primitives.asymmetric import rsa, ec
from sqlalchemy import create_engine, select, MetaData, Table
from cryptography.hazmat.primitives.asymmetric import ec, rsa
from datetime import datetime, timezone
from sqlalchemy import MetaData, Table, create_engine, select
from typing import NamedTuple
class CheckResult(NamedTuple):
@ -32,18 +31,27 @@ CODE_UNSUPPORTED_FORMAT = CheckResult("unsupported format", 1001)
CODE_EMPTY = CheckResult("empty", 1002)
CODE_DEPRECATED_SPKAC = CheckResult("deprecated SPKAC", 1003)
CODE_INVALID_SIGNATURE = CheckResult("invalid signature", 1004)
CODE_UNSUPPORTED_SIGNATURE_ALGORITHM = CheckResult("unsupported signature algorithm", 1005)
CODE_UNSUPPORTED_SIGNATURE_ALGORITHM = CheckResult(
"unsupported signature algorithm", 1005
)
CODE_PUBLIC_KEY_TOO_WEAK = CheckResult("public key too weak", 1006)
CODE_UNSUPPORTED_PUBLIC_KEY = CheckResult("unsupported public key", 1007)
CODE_CSR_AND_CRT_PUBLIC_KEY_MISMATCH = CheckResult("CSR and CRT public key mismatch", 1008)
CODE_CSR_AND_CRT_PUBLIC_KEY_MISMATCH = CheckResult(
"CSR and CRT public key mismatch", 1008
)
CODE_CERTIFICATE_FOR_INVALID_CSR = CheckResult("certificate for invalid CSR", 1009)
CODE_NOT_SIGNED_BY_EXPECTED_CA_CERTIFICATE = CheckResult("not signed by expected CA", 1010)
CODE_NOT_SIGNED_BY_EXPECTED_CA_CERTIFICATE = CheckResult(
"not signed by expected CA", 1010
)
CODE_CERTIFICATE_IS_EXPIRED = CheckResult("certificate is expired", 1011)
SUPPORTED_SIGNATURE_ALGORITHMS = [
x509.oid.SignatureAlgorithmOID.RSA_WITH_SHA256, x509.oid.SignatureAlgorithmOID.RSA_WITH_SHA384,
x509.oid.SignatureAlgorithmOID.RSA_WITH_SHA512, x509.oid.SignatureAlgorithmOID.ECDSA_WITH_SHA256,
x509.oid.SignatureAlgorithmOID.ECDSA_WITH_SHA384, x509.oid.SignatureAlgorithmOID.ECDSA_WITH_SHA512
x509.oid.SignatureAlgorithmOID.RSA_WITH_SHA256,
x509.oid.SignatureAlgorithmOID.RSA_WITH_SHA384,
x509.oid.SignatureAlgorithmOID.RSA_WITH_SHA512,
x509.oid.SignatureAlgorithmOID.ECDSA_WITH_SHA256,
x509.oid.SignatureAlgorithmOID.ECDSA_WITH_SHA384,
x509.oid.SignatureAlgorithmOID.ECDSA_WITH_SHA512,
]
@ -99,21 +107,36 @@ class Counters:
def __str__(self):
return (
f"good CSR and certificate: {self.good}\n"
f"good CSR, issue with certificate: {self.good_csr}\n"
f"good certificate, issue with CSR: {self.good_crt}\n"
f"failed CSR and certificate: {self.fail}\n"
f"missing certificate: {self.missing_crt}\n"
f"expired certificate: {self.expired_crt}\n\nCSR results:\n"
) + "\n".join([f"{code}: {count:d}" for code, count in sorted(self.csr_codes.items())]) + (
"\n\nCertificate results:\n"
) + (
"\n".join([f"{code}: {count:d}" for code, count in sorted(self.crt_codes.items())])
(
f"good CSR and certificate: {self.good}\n"
f"good CSR, issue with certificate: {self.good_csr}\n"
f"good certificate, issue with CSR: {self.good_crt}\n"
f"failed CSR and certificate: {self.fail}\n"
f"missing certificate: {self.missing_crt}\n"
f"expired certificate: {self.expired_crt}\n\nCSR results:\n"
)
+ "\n".join(
[f"{code}: {count:d}" for code, count in sorted(self.csr_codes.items())]
)
+ ("\n\nCertificate results:\n")
+ (
"\n".join(
[
f"{code}: {count:d}"
for code, count in sorted(self.crt_codes.items())
]
)
)
)
class Analyzer:
def __init__(self, logger: logging.Logger, dsn: str, ca_certificates: dict[int, x509.Certificate]):
def __init__(
self,
logger: logging.Logger,
dsn: str,
ca_certificates: dict[int, x509.Certificate],
):
self.logger = logger
self.engine = create_engine(dsn)
self.ca_certificates = ca_certificates
@ -138,10 +161,17 @@ class Analyzer:
crt_code = self.check_crt(row.crt_name, ca_cert, public_numbers)
self.c.count_crt(crt_code)
if csr_code != CODE_OK and crt_code not in (CODE_OK, CODE_CERTIFICATE_IS_EXPIRED):
if csr_code != CODE_OK and crt_code not in (
CODE_OK,
CODE_CERTIFICATE_IS_EXPIRED,
):
self.logger.debug(
"%06d %s: %06d -> csr_code: %s, crt_code: %s",
self.c.fail, table, row.id, csr_code, crt_code
self.c.fail,
table,
row.id,
csr_code,
crt_code,
)
self.c.count_fail()
return
@ -156,7 +186,10 @@ class Analyzer:
self.c.count_missing_crt()
return
if csr_code == CODE_OK and crt_code not in (CODE_OK, CODE_CERTIFICATE_IS_EXPIRED):
if csr_code == CODE_OK and crt_code not in (
CODE_OK,
CODE_CERTIFICATE_IS_EXPIRED,
):
self.c.count_good_csr()
return
@ -207,7 +240,12 @@ class Analyzer:
return CODE_OK, public_key.public_numbers()
def check_crt(self, crt_name: str, ca_certificate: x509.Certificate, public_numbers: typing.Any) -> CheckResult:
def check_crt(
self,
crt_name: str,
ca_certificate: x509.Certificate,
public_numbers: typing.Any,
) -> CheckResult:
if not crt_name:
return CODE_EMPTY
@ -248,9 +286,13 @@ class Analyzer:
try:
crt.verify_directly_issued_by(ca_certificate)
except Exception as e:
self.logger.debug("certificate verification failed: %s\n issuer of certificate: %s\n"
" CA certificate: %s", e, crt.issuer,
ca_certificate.subject)
self.logger.debug(
"certificate verification failed: %s\n issuer of certificate: %s\n"
" CA certificate: %s",
e,
crt.issuer,
ca_certificate.subject,
)
return CODE_NOT_SIGNED_BY_EXPECTED_CA_CERTIFICATE
return CODE_OK
@ -266,10 +308,14 @@ def main():
db_port = os.getenv("DB_PORT", "3306")
db_name = os.getenv("DB_NAME", "cacert")
root_ca_cert: str = os.getenv("ROOT_CA_CERTIFICATE", "../www/certs/root_X0F.crt")
sub_ca_cert = os.getenv("SUB_CA_CERTIFICATE", "../www/certs/CAcert_Class3Root_x14E228.crt")
sub_ca_cert = os.getenv(
"SUB_CA_CERTIFICATE", "../www/certs/CAcert_Class3Root_x14E228.crt"
)
debug = bool(os.getenv("DEBUG", "false"))
logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s: %(message)s")
logging.basicConfig(
level=logging.INFO, format="%(asctime)s %(levelname)s: %(message)s"
)
logger = logging.getLogger(__name__)
if debug:

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