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acertmgr: don't fail when no issuer CA can be retrieved

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Do not fail if there is no issuer CA download possible in any way. Just
let the user provide the (static) CA certifiate at ca_file or fail during
certificate deployment.
This commit is contained in:
Kishi85 2019-03-23 08:28:02 +01:00
parent c0d23631b6
commit cda4be09f4
2 changed files with 10 additions and 4 deletions
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2
acertmgr/__init__.py
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@ -95,7 +95,7 @@ def cert_get(settings):
crt_final = settings['cert_file']
shutil.copy2(crt_file, crt_final)
os.chmod(crt_final, stat.S_IREAD)
if "static_ca" in settings and not settings['static_ca']:
if "static_ca" in settings and not settings['static_ca'] and ca is not None:
with io.open(settings['ca_file'], "w") as ca_fd:
ca_fd.write(tools.convert_cert_to_pem(ca))
finally:

12
acertmgr/tools.py
View File

@ -118,11 +118,17 @@ def download_issuer_ca(cert):
break
if not ca_issuers:
raise Exception("Could not determine issuer CA for given certificate: {}".format(cert))
print("Could not determine issuer CA for given certificate: {}".format(cert))
return None
print("Downloading CA certificate from {}".format(ca_issuers))
cadata = get_url(ca_issuers).read()
return x509.load_der_x509_certificate(cadata, default_backend())
resp = get_url(ca_issuers)
code = resp.getcode()
if code >= 400:
print("Could not download issuer CA (error {}) for given certificate: {}".format(code, cert))
return None
return x509.load_der_x509_certificate(resp.read(), default_backend())
# @brief convert certificate to PEM format