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Bug 1960041

Summary: Unable to issue cert with IP address in SAN - The service principal for subject alt name 10.11.173.11 in certificate request does not exist
Product: Red Hat Enterprise Linux 7 Reporter: Ian Pilcher <ipilcher>
Component: ipaAssignee: Florence Blanc-Renaud <frenaud>
Status: CLOSED NOTABUG QA Contact: ipa-qe <ipa-qe>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.9CC: rcritten, tscherf
Target Milestone: rcFlags: pm-rhel: mirror+
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-05-12 22:22:04 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Ian Pilcher 2021-05-12 20:59:49 UTC 
I am attempting to issue a certificate with an IP address in its SAN extension.

Here is the host for which I want to issue the certificate:

 $ ipa host-show node01-idrac.pemlab.rdu2.redhat.com
   Host name: node01-idrac.pemlab.rdu2.redhat.com
   Principal name: host/node01-idrac.pemlab.rdu2.redhat.com.REDHAT.COM
   Principal alias: host/node01-idrac.pemlab.rdu2.redhat.com.REDHAT.COM
   Password: False
   Keytab: False
   Managed by: node01-idrac.pemlab.rdu2.redhat.com

Here is the CSR:

 $ openssl req -noout -text -in node01-idrac.csr
 Certificate Request:
     Data:
         Version: 0 (0x0)
         Subject: CN=node01-idrac.pemlab.rdu2.redhat.com
         Subject Public Key Info:
             Public Key Algorithm: rsaEncryption
                 Public-Key: (2048 bit)
                 Modulus:
                     ⋮
                 Exponent: 65537 (0x10001)
         Attributes:
         Requested Extensions:
             X509v3 Subject Alternative Name: 
                 DNS:node01-idrac.pemlab.rdu2.redhat.com, DNS:node01-idrac, DNS:10.11.173.11
     Signature Algorithm: sha256WithRSAEncryption
          ⋮

The DNS records:

 $ ipa dnsrecord-show pemlab.rdu2.redhat.com node01-idrac
   Record name: node01-idrac
   A record: 10.11.173.11

 $ ipa dnsrecord-show 173.11.10.in-addr.arpa 11
   Record name: 11
   PTR record: node01-idrac.pemlab.rdu2.redhat.com.

 $ ipa cert-request node01-idrac.csr --certificate-out node01-idrac.crt \
        --principal host/node01-idrac.pemlab.rdu2.redhat.com.REDHAT.COM
 ipa: ERROR: The service principal for subject alt name 10.11.173.11 in certificate request does not exist
Comment 2 Rob Crittenden 2021-05-12 21:19:30 UTC 
Please provide the package version, rpm -q ipa-server
Comment 3 Ian Pilcher 2021-05-12 21:24:03 UTC 
It's ipa-server-4.6.8-5.el7_9.5.x86_64 on fully updated RHEL 7.9.
Comment 4 Rob Crittenden 2021-05-12 22:15:17 UTC 
I see it now. The problem is in the CSR. It has the wrong SAN type for an IP address. It uses a DNSName type, DNS:10.11.173.11

It should an IPAddress type, IP:10.11.173.11
Comment 5 Ian Pilcher 2021-05-12 22:22:04 UTC 
(In reply to Rob Crittenden from comment #4)
> I see it now. The problem is in the CSR. It has the wrong SAN type for an IP
> address. It uses a DNSName type, DNS:10.11.173.11
> 
> It should an IPAddress type, IP:10.11.173.11

Son of a ...

Right you are.

Thanks & sorry about the noise!