Public bug reported:
NDES role should not be mandatory in order to perform certificate auto-
enrollment with adsys.
Samba/ADSys is able to take advantage of the NDES endpoint to install
the root certificate chain, but is also able to infer the certificate
information from LDAP.
Due to a bug in the Samba implementation of cert-autoenroll, the root
cert is not parsed properly if the NDES component is not installed -- so
in the current state attempting auto-enrollment without NDES installed
will result in an error like the following:
2024-01-08 16:11:07.809|[W26775]| Failed to fetch the root certificate chain. |
{}
2024-01-08 16:11:07.809|[W05621]| The Network Device Enrollment Service is
either not installed or not configured. | {}
2024-01-08 16:11:07.809|[W11946]| Installing the server certificate only. | {}
Traceback (most recent call last):
File "<string>", line 142, in <module>
File "<string>", line 89, in main
File "<string>", line 20, in enroll
File "/usr/share/adsys/python/vendor_samba/gp/gp_cert_auto_enroll_ext.py",
line 502, in __enroll
self.apply(guid, ca, cert_enroll, ca, ldb, trust_dir,
File "/usr/share/adsys/python/vendor_samba/gp/gp_cert_auto_enroll_ext.py",
line 369, in apply
data = applier_func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/share/adsys/python/vendor_samba/gp/gp_cert_auto_enroll_ext.py",
line 274, in cert_enroll
root_certs = getca(ca, url, trust_dir)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/share/adsys/python/vendor_samba/gp/gp_cert_auto_enroll_ext.py",
line 221, in getca
cert = load_der_x509_certificate(ca['cACertificate'],
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/cryptography/x509/base.py", line 528, in
load_der_x509_certificate
return rust_x509.load_der_x509_certificate(data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: argument 'data': 'str' object cannot be converted to 'PyBytes'
** Affects: adsys (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2051363
Title:
Cannot perform certificate auto-enroll without NDES installed
Status in adsys package in Ubuntu:
New
Bug description:
NDES role should not be mandatory in order to perform certificate
auto-enrollment with adsys.
Samba/ADSys is able to take advantage of the NDES endpoint to install
the root certificate chain, but is also able to infer the certificate
information from LDAP.
Due to a bug in the Samba implementation of cert-autoenroll, the root
cert is not parsed properly if the NDES component is not installed --
so in the current state attempting auto-enrollment without NDES
installed will result in an error like the following:
2024-01-08 16:11:07.809|[W26775]| Failed to fetch the root certificate chain.
| {}
2024-01-08 16:11:07.809|[W05621]| The Network Device Enrollment Service is
either not installed or not configured. | {}
2024-01-08 16:11:07.809|[W11946]| Installing the server certificate only. | {}
Traceback (most recent call last):
File "<string>", line 142, in <module>
File "<string>", line 89, in main
File "<string>", line 20, in enroll
File "/usr/share/adsys/python/vendor_samba/gp/gp_cert_auto_enroll_ext.py",
line 502, in __enroll
self.apply(guid, ca, cert_enroll, ca, ldb, trust_dir,
File "/usr/share/adsys/python/vendor_samba/gp/gp_cert_auto_enroll_ext.py",
line 369, in apply
data = applier_func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/share/adsys/python/vendor_samba/gp/gp_cert_auto_enroll_ext.py",
line 274, in cert_enroll
root_certs = getca(ca, url, trust_dir)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/share/adsys/python/vendor_samba/gp/gp_cert_auto_enroll_ext.py",
line 221, in getca
cert = load_der_x509_certificate(ca['cACertificate'],
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/cryptography/x509/base.py", line 528,
in load_der_x509_certificate
return rust_x509.load_der_x509_certificate(data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: argument 'data': 'str' object cannot be converted to 'PyBytes'
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