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  1. RHEL
  2. RHEL-40376

SID generation task is failing when SELinux is in Enforcing mode.

    • ipa-4.12.2-2.el9
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    • rhel-sst-idm-ipa
    • ssg_idm
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      What were you trying to do that didn't work?

      The SID generation task fails when SELinux is in Enforcing mode.

      Please provide the package NVR for which bug is seen:

      #  cat /etc/redhat-release
      Red Hat Enterprise Linux release 9.3 (Plow)
      #
      #  rpm -qa | grep ^ipa
      ipa-client-common-4.10.2-4.el9_3.1.noarch
      ipa-selinux-4.10.2-4.el9_3.1.noarch
      ipa-common-4.10.2-4.el9_3.1.noarch
      ipa-server-common-4.10.2-4.el9_3.1.noarch
      ipa-healthcheck-core-0.12-4.el9.noarch
      ipa-client-4.10.2-4.el9_3.1.x86_64
      ipa-server-4.10.2-4.el9_3.1.x86_64
      ipa-server-dns-4.10.2-4.el9_3.1.noarch
      ipa-healthcheck-0.12-4.el9.noarch
      # 

      How reproducible:

      Always.

      Steps to reproduce

      1. Make sure SELinux is enforced:

      # getenforce
      Enforcing
      #

      2. Run the SID task:

      # ipa config-mod --enable-sid --add-sids
      ipa: ERROR: Configuration of SID failed. See details in the error log
      # 

      3. After enabling DBus debugging:

       string "[Errno 13] Permission denied: '/var/log/ipaserver-enable-sid.log'
      The ipa-enable-sid command failed.
      " 

      4. Check the SELinux alert message:

      # sealert -a /var/log/audit/audit.log
      ...
      --------------------------------------------------------------------------------SELinux is preventing /usr/bin/python3.9 from open access on the file /var/log/ipaserver-enable-sid.log.*****  Plugin catchall (100. confidence) suggests   **************************If you believe that python3.9 should be allowed open access on the ipaserver-enable-sid.log file by default.
      Then you should report this as a bug.
      You can generate a local policy module to allow this access.
      Do
      allow this access for now by executing:
      # ausearch -c 'org.freeipa.ser' --raw | audit2allow -M my-orgfreeipaser
      # semodule -X 300 -i my-orgfreeipaser.pp
      Additional Information:
      Source Context                system_u:system_r:ipa_helper_t:s0
      Target Context                unconfined_u:object_r:var_log_t:s0
      Target Objects                /var/log/ipaserver-enable-sid.log [ file ]
      Source                        org.freeipa.ser
      Source Path                   /usr/bin/python3.9
      Port                          <Unknown>
      Host                          <Unknown>
      Source RPM Packages           python3-3.9.18-1.el9_3.x86_64
      Target RPM Packages           
      SELinux Policy RPM            selinux-policy-targeted-38.1.23-1.el9.noarch
      Local Policy RPM              ipa-selinux-4.10.2-4.el9_3.1.noarch
      Selinux Enabled               True
      Policy Type                   targeted
      Enforcing Mode                Enforcing
      Host Name                     <HOST>
      Platform                      Linux <HOST>
                                    5.14.0-362.8.1.el9_3.x86_64 #1 SMP PREEMPT_DYNAMIC
                                    Tue Oct 3 11:12:36 EDT 2023 x86_64 x86_64
      Alert Count                   6
      First Seen                    2024-03-19 15:19:35 CET
      Last Seen                     2024-05-13 18:29:12 CEST
      Local ID                      5cdd2e98-cb7f-4b9e-aa31-915236371de9Raw Audit Messages
      type=AVC msg=audit(1715617752.463:7478): avc:  denied  { open } for  pid=393419 comm="org.freeipa.ser" path="/var/log/ipaserver-enable-sid.log" dev="dm-0" ino=642 scontext=system_u:system_r:ipa_helper_t:s0 tcontext=unconfined_u:object_r:var_log_t:s0 tclass=file permissive=1
      

      5. Settings for the SID log file:

      # ls -lZ /var/log/ipaserver-enable-sid.log
      -rw-------. 1 root root system_u:object_r:var_log_t:s0 10495 Jun  7 09:29 /var/log/ipaserver-enable-sid.log
      #
      # matchpathcon -V /var/log/ipaserver-enable-sid.log
      /var/log/ipaserver-enable-sid.log verified.
      # 

      Expected results

      Working SID generation task.

      Actual results

      The SID generation task is failing.

              twoerner Thomas Woerner
              rhn-support-tmihinto Têko Mihinto
              Florence Renaud Florence Renaud
              Rizwan Shaikh Rizwan Shaikh
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                Created:
                Updated: