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openssl_csr: fix SAN handling for cryptography backend (#53927)

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* Fix IP address support for openssl_csr.

* Remove DirName support, which doesn't work as this and seems harder to fix. Also, I don't know of an example of how it actually works.
This commit is contained in:
Felix Fontein 2019-03-17 23:03:32 +01:00 committed by ansibot
parent 29d6418822
commit 96925a09b6
1 changed files with 12 additions and 10 deletions
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22
lib/ansible/modules/crypto/openssl_csr.py
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@ -353,6 +353,7 @@ try:
import cryptography.hazmat.backends import cryptography.hazmat.backends
import cryptography.hazmat.primitives.serialization import cryptography.hazmat.primitives.serialization
import cryptography.hazmat.primitives.hashes import cryptography.hazmat.primitives.hashes
import ipaddress
CRYPTOGRAPHY_VERSION = LooseVersion(cryptography.__version__) CRYPTOGRAPHY_VERSION = LooseVersion(cryptography.__version__)
except ImportError: except ImportError:
CRYPTOGRAPHY_IMP_ERR = traceback.format_exc() CRYPTOGRAPHY_IMP_ERR = traceback.format_exc()
@ -673,16 +674,17 @@ class CertificateSigningRequestCryptography(CertificateSigningRequestBase):
raise CertificateSigningRequestError('Unknown subject field identifier "{0}"'.format(id)) raise CertificateSigningRequestError('Unknown subject field identifier "{0}"'.format(id))
def _get_san(self, name): def _get_san(self, name):
if name.startswith('DNS:'): try:
return cryptography.x509.DNSName(to_text(name[4:])) if name.startswith('DNS:'):
if name.startswith('IP:'): return cryptography.x509.DNSName(to_text(name[4:]))
return cryptography.x509.IPAddress(to_text(name[3:])) if name.startswith('IP:'):
if name.startswith('email:'): return cryptography.x509.IPAddress(ipaddress.ip_address(to_text(name[3:])))
return cryptography.x509.RFC822Name(to_text(name[6:])) if name.startswith('email:'):
if name.startswith('URI:'): return cryptography.x509.RFC822Name(to_text(name[6:]))
return cryptography.x509.UniformResourceIdentifier(to_text(name[4:])) if name.startswith('URI:'):
if name.startswith('DirName:'): return cryptography.x509.UniformResourceIdentifier(to_text(name[4:]))
return cryptography.x509.DirectoryName(to_text(name[8:])) except Exception as e:
raise CertificateSigningRequestError('Cannot parse Subject Alternative Name "{0}": {1}'.format(name, e))
if ':' not in name: if ':' not in name:
raise CertificateSigningRequestError('Cannot parse Subject Alternative Name "{0}" (forgot "DNS:" prefix?)'.format(name)) raise CertificateSigningRequestError('Cannot parse Subject Alternative Name "{0}" (forgot "DNS:" prefix?)'.format(name))
raise CertificateSigningRequestError('Cannot parse Subject Alternative Name "{0}" (potentially unsupported by cryptography backend)'.format(name)) raise CertificateSigningRequestError('Cannot parse Subject Alternative Name "{0}" (potentially unsupported by cryptography backend)'.format(name))