[Freeipa-users] Re: Trying to issue S/MIME certs for aliases

Fri, 29 Aug 2025 00:25:34 -0700 

On Чцв, 28 жні 2025, Orion Poplawski via FreeIPA-users wrote:
We are trying to leverage our IPA infrastructure to issue S/MIME certificate for email aliases that we have in use at the company. I created a userSMIMECert profile using the instructions here: 

https://access.redhat.com/solutions/6982899

But I'm running into this constraint:

invalid 'csr': DN commonName does not match user's login


Which I don't think is appropriate for S/MIME certs - the commonName 
is generally the "Full Name" of the user.  How do I remove that 
constraint?  The profile is:


This is hard-coded in the IPA certificate issuance validation before we
pass the request to Dogtag CA:

        elif principal_type == USER:
            # check user name
            if cn != principal.username:
                raise errors.ValidationError(
                    name='csr',
                    error=_("DN commonName does not match user's login")
                )

            # check email address
            #

It is one of requirements we have in IPA for the users to have the same
CN in the certificates as their usernames. Sure, this might not apply to
S/MIME certs but it is currently cannot be changed.



auth.instance_id=raCertAuth
classId=caEnrollImpl

desc=This certificate profile is for enrolling user certificates with 
S/MIME capabilities extension

enable=true
enableBy=ipara
input.i1.class_id=certReqInputImpl
input.i2.class_id=submitterInfoInputImpl
input.list=i1,i2
name=Manual User S/MIME capabilities Certificate Enrollment
output.list=o1
output.o1.class_id=certOutputImpl
policyset.list=serverCertSet
policyset.serverCertSet.1.constraint.class_id=subjectNameConstraintImpl
policyset.serverCertSet.1.constraint.name=Subject Name Constraint
policyset.serverCertSet.1.constraint.params.accept=true
policyset.serverCertSet.1.constraint.params.pattern=CN=[^,]+,.+
policyset.serverCertSet.1.default.class_id=subjectNameDefaultImpl
policyset.serverCertSet.1.default.name=Subject Name Default

policyset.serverCertSet.1.default.params.name=CN=$request.req_subject_name.cn$, 
O=NWRA.COM

policyset.serverCertSet.10.constraint.class_id=noConstraintImpl
policyset.serverCertSet.10.constraint.name=No Constraint
policyset.serverCertSet.10.default.class_id=subjectKeyIdentifierExtDefaultImpl

policyset.serverCertSet.10.default.name=Subject Key Identifier 
Extension Default

policyset.serverCertSet.10.default.params.critical=false
policyset.serverCertSet.11.constraint.class_id=noConstraintImpl
policyset.serverCertSet.11.constraint.name=No Constraint
policyset.serverCertSet.11.default.class_id=userExtensionDefaultImpl
policyset.serverCertSet.11.default.name=User Supplied Extension Default
policyset.serverCertSet.11.default.params.userExtOID=2.5.29.17
policyset.serverCertSet.12.constraint.class_id=noConstraintImpl
policyset.serverCertSet.12.constraint.name=No Constraint
policyset.serverCertSet.12.default.class_id=commonNameToSANDefaultImpl

policyset.serverCertSet.12.default.name=Copy Common Name to Subject 
Alternative Name

policyset.serverCertSet.2.constraint.class_id=validityConstraintImpl
policyset.serverCertSet.2.constraint.name=Validity Constraint
policyset.serverCertSet.2.constraint.params.notAfterCheck=false
policyset.serverCertSet.2.constraint.params.notBeforeCheck=false
policyset.serverCertSet.2.constraint.params.range=740
policyset.serverCertSet.2.default.class_id=validityDefaultImpl
policyset.serverCertSet.2.default.name=Validity Default
policyset.serverCertSet.2.default.params.range=731
policyset.serverCertSet.2.default.params.startTime=0
policyset.serverCertSet.3.constraint.class_id=keyConstraintImpl
policyset.serverCertSet.3.constraint.name=Key Constraint
policyset.serverCertSet.3.constraint.params.keyParameters=1024,2048,3072,4096
policyset.serverCertSet.3.constraint.params.keyType=RSA
policyset.serverCertSet.3.default.class_id=userKeyDefaultImpl
policyset.serverCertSet.3.default.name=Key Default
policyset.serverCertSet.4.constraint.class_id=noConstraintImpl
policyset.serverCertSet.4.constraint.name=No Constraint
policyset.serverCertSet.4.default.class_id=authorityKeyIdentifierExtDefaultImpl
policyset.serverCertSet.4.default.name=Authority Key Identifier Default
policyset.serverCertSet.5.constraint.class_id=noConstraintImpl
policyset.serverCertSet.5.constraint.name=No Constraint
policyset.serverCertSet.5.default.class_id=authInfoAccessExtDefaultImpl
policyset.serverCertSet.5.default.name=AIA Extension Default
policyset.serverCertSet.5.default.params.authInfoAccessADEnable_0=true
policyset.serverCertSet.5.default.params.authInfoAccessADLocationType_0=URIName
policyset.serverCertSet.5.default.params.authInfoAccessADLocation_0=http://ipa-ca.nwra.com/ca/ocsp
policyset.serverCertSet.5.default.params.authInfoAccessADMethod_0=1.3.6.1.5.5.7.48.1
policyset.serverCertSet.5.default.params.authInfoAccessCritical=false
policyset.serverCertSet.5.default.params.authInfoAccessNumADs=1
policyset.serverCertSet.6.constraint.class_id=keyUsageExtConstraintImpl
policyset.serverCertSet.6.constraint.name=Key Usage Extension Constraint
policyset.serverCertSet.6.constraint.params.keyUsageCritical=true
policyset.serverCertSet.6.constraint.params.keyUsageCrlSign=false
policyset.serverCertSet.6.constraint.params.keyUsageDataEncipherment=true
policyset.serverCertSet.6.constraint.params.keyUsageDecipherOnly=false
policyset.serverCertSet.6.constraint.params.keyUsageDigitalSignature=true
policyset.serverCertSet.6.constraint.params.keyUsageEncipherOnly=false
policyset.serverCertSet.6.constraint.params.keyUsageKeyAgreement=false
policyset.serverCertSet.6.constraint.params.keyUsageKeyCertSign=false
policyset.serverCertSet.6.constraint.params.keyUsageKeyEncipherment=true
policyset.serverCertSet.6.constraint.params.keyUsageNonRepudiation=true
policyset.serverCertSet.6.default.class_id=keyUsageExtDefaultImpl
policyset.serverCertSet.6.default.name=Key Usage Default
policyset.serverCertSet.6.default.params.keyUsageCritical=true
policyset.serverCertSet.6.default.params.keyUsageCrlSign=false
policyset.serverCertSet.6.default.params.keyUsageDataEncipherment=true
policyset.serverCertSet.6.default.params.keyUsageDecipherOnly=false
policyset.serverCertSet.6.default.params.keyUsageDigitalSignature=true
policyset.serverCertSet.6.default.params.keyUsageEncipherOnly=false
policyset.serverCertSet.6.default.params.keyUsageKeyAgreement=false
policyset.serverCertSet.6.default.params.keyUsageKeyCertSign=false
policyset.serverCertSet.6.default.params.keyUsageKeyEncipherment=true
policyset.serverCertSet.6.default.params.keyUsageNonRepudiation=true
policyset.serverCertSet.7.constraint.class_id=noConstraintImpl
policyset.serverCertSet.7.constraint.name=No Constraint
policyset.serverCertSet.7.default.class_id=extendedKeyUsageExtDefaultImpl
policyset.serverCertSet.7.default.name=Extended Key Usage Extension Default
policyset.serverCertSet.7.default.params.exKeyUsageCritical=false
policyset.serverCertSet.7.default.params.exKeyUsageOIDs=1.3.6.1.5.5.7.3.4
policyset.serverCertSet.8.constraint.class_id=signingAlgConstraintImpl
policyset.serverCertSet.8.constraint.name=No Constraint
policyset.serverCertSet.8.constraint.params.signingAlgsAllowed=SHA1withRSA,SHA256withRSA,SHA512withRSA,MD5withRSA,MD2withRSA,SHA1withDSA,SHA1withEC,SHA256withEC,SHA384withEC,SHA512withEC
policyset.serverCertSet.8.default.class_id=signingAlgDefaultImpl
policyset.serverCertSet.8.default.name=Signing Alg
policyset.serverCertSet.8.default.params.signingAlg=-
policyset.serverCertSet.9.constraint.class_id=noConstraintImpl
policyset.serverCertSet.9.constraint.name=No Constraint
policyset.serverCertSet.9.default.class_id=crlDistributionPointsExtDefaultImpl

policyset.serverCertSet.9.default.name=CRL Distribution Points 
Extension Default

policyset.serverCertSet.9.default.params.crlDistPointsCritical=false
policyset.serverCertSet.9.default.params.crlDistPointsEnable_0=true

policyset.serverCertSet.9.default.params.crlDistPointsIssuerName_0=CN=Certificate 
Authority,o=ipaca

policyset.serverCertSet.9.default.params.crlDistPointsIssuerType_0=DirectoryName
policyset.serverCertSet.9.default.params.crlDistPointsNum=1
policyset.serverCertSet.9.default.params.crlDistPointsPointName_0=http://ipa-ca.nwra.com/ipa/crl/MasterCRL.bin
policyset.serverCertSet.9.default.params.crlDistPointsPointType_0=URIName
policyset.serverCertSet.9.default.params.crlDistPointsReasons_0=
policyset.serverCertSet.list=1,2,3,4,5,6,7,8,9,10,11,12
profileId=userSMIMECert
visible=false


--
Orion Poplawski
he/him/his  - surely the least important thing about me
IT Systems Manager                         720-772-5637
NWRA, Boulder/CoRA Office             FAX: 303-415-9702
3380 Mitchell Lane                       or...@nwra.com
Boulder, CO 80301                 https://www.nwra.com/

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Red Hat Limited, Finland

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