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Description of problem: I added: includedir /var/lib/sss/pubconf/krb5.include.d/ To the krb5.conf template in IPA and installed a server in permissive mode. It generated a slew of AVCs because a number of process were not able to read the contents of the include directory. # ausearch -m AVC -ts 14:27 | grep krb type=SYSCALL msg=audit(1352143784.563:2184): arch=c000003e syscall=257 success=yes exit=4 a0=ffffffffffffff9c a1=7f485970dc0b a2=90800 a3=0 items=0 ppid=1 pid=5307 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="krb5kdc" exe="/usr/sbin/krb5kdc" subj=system_u:system_r:krb5kdc_t:s0 key=(null) type=AVC msg=audit(1352143784.563:2184): avc: denied { open } for pid=5307 comm="krb5kdc" path="/var/lib/sss/pubconf/krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143784.563:2184): avc: denied { read } for pid=5307 comm="krb5kdc" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143784.563:2184): avc: denied { search } for pid=5307 comm="krb5kdc" name="pubconf" dev="sda3" ino=129 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143784.781:2186): avc: denied { open } for pid=5320 comm="kadmind" path="/var/lib/sss/pubconf/krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:kadmind_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143784.781:2186): avc: denied { read } for pid=5320 comm="kadmind" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:kadmind_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143816.001:2192): avc: denied { read } for pid=5428 comm="httpd" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143851.870:2200): avc: denied { read } for pid=5489 comm="ns-slapd" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:dirsrv_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=SYSCALL msg=audit(1352143852.271:2201): arch=c000003e syscall=233 success=yes exit=0 a0=5 a1=2 a2=6 a3=7fff416fea80 items=0 ppid=1 pid=5308 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="krb5kdc" exe="/usr/sbin/krb5kdc" subj=system_u:system_r:krb5kdc_t:s0 key=(null) type=AVC msg=audit(1352143852.271:2201): avc: denied { block_suspend } for pid=5308 comm="krb5kdc" capability=36 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:system_r:krb5kdc_t:s0 tclass=capability2 type=SYSCALL msg=audit(1352143852.294:2204): arch=c000003e syscall=257 success=yes exit=4 a0=ffffffffffffff9c a1=7ff22c96cc0b a2=90800 a3=0 items=0 ppid=1 pid=5573 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="krb5kdc" exe="/usr/sbin/krb5kdc" subj=system_u:system_r:krb5kdc_t:s0 key=(null) type=AVC msg=audit(1352143852.294:2204): avc: denied { open } for pid=5573 comm="krb5kdc" path="/var/lib/sss/pubconf/krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143852.294:2204): avc: denied { read } for pid=5573 comm="krb5kdc" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143852.294:2204): avc: denied { search } for pid=5573 comm="krb5kdc" name="pubconf" dev="sda3" ino=129 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143855.199:2210): avc: denied { read } for pid=5516 comm="ns-slapd" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:dirsrv_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143854.002:2208): avc: denied { read } for pid=5583 comm="httpd" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=SYSCALL msg=audit(1352143863.255:2218): arch=c000003e syscall=233 success=yes exit=0 a0=5 a1=2 a2=6 a3=7fff40924bf0 items=0 ppid=1 pid=5574 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="krb5kdc" exe="/usr/sbin/krb5kdc" subj=system_u:system_r:krb5kdc_t:s0 key=(null) type=AVC msg=audit(1352143863.255:2218): avc: denied { block_suspend } for pid=5574 comm="krb5kdc" capability=36 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:system_r:krb5kdc_t:s0 tclass=capability2 type=SYSCALL msg=audit(1352143866.074:2229): arch=c000003e syscall=257 success=yes exit=4 a0=ffffffffffffff9c a1=7f38ce963c0b a2=90800 a3=0 items=0 ppid=1 pid=5821 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="krb5kdc" exe="/usr/sbin/krb5kdc" subj=system_u:system_r:krb5kdc_t:s0 key=(null) type=AVC msg=audit(1352143866.074:2229): avc: denied { open } for pid=5821 comm="krb5kdc" path="/var/lib/sss/pubconf/krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143866.074:2229): avc: denied { read } for pid=5821 comm="krb5kdc" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1352143866.074:2229): avc: denied { search } for pid=5821 comm="krb5kdc" name="pubconf" dev="sda3" ino=129 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir Version-Release number of selected component (if applicable): sssd-1.9.2-3.fc18.x86_64 selinux-policy-3.11.1-46.fc18.noarch
I don't think this should be handled in the SSSD, but rather in the selinux policy. Mirek, the directory /var/lib/sss/pubconf/krb5.include.d/ is where the SSSD stores files that are in turn included from the system wide /etc/krb5.conf. The directory should only be writable by the sssd_be process and readable by everyone who is permitted to read krb5.conf. It looks like the current context sssd_public_t is not sufficient. Do we have any other we can use?
Fixed in selinux-policy-3.11.1-57.fc18.noarch We just need to allow domains that can read sssd_public_t to also list the directory.
selinux-policy-3.11.1-57.fc18 has been submitted as an update for Fedora 18. https://admin.fedoraproject.org/updates/selinux-policy-3.11.1-57.fc18
Package selinux-policy-3.11.1-57.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing selinux-policy-3.11.1-57.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-19374/selinux-policy-3.11.1-57.fc18 then log in and leave karma (feedback).
Package selinux-policy-3.11.1-59.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing selinux-policy-3.11.1-59.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-19374/selinux-policy-3.11.1-59.fc18 then log in and leave karma (feedback).
Still seeing these in permissive mode: type=AVC msg=audit(1354571118.064:2218): avc: denied { search } for pid=21956 comm="krb5kdc" name="pubconf" dev="sda3" ino=129 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1354571118.064:2218): avc: denied { read } for pid=21956 comm="krb5kdc" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1354571118.064:2218): avc: denied { open } for pid=21956 comm="krb5kdc" path="/var/lib/sss/pubconf/krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1354571118.421:2220): avc: denied { search } for pid=21969 comm="kadmind" name="pubconf" dev="sda3" ino=129 scontext=system_u:system_r:kadmind_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1354571118.421:2220): avc: denied { read } for pid=21969 comm="kadmind" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:kadmind_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1354571118.421:2220): avc: denied { open } for pid=21969 comm="kadmind" path="/var/lib/sss/pubconf/krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:kadmind_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1354571193.382:2232): avc: denied { search } for pid=22231 comm="krb5kdc" name="pubconf" dev="sda3" ino=129 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1354571193.382:2232): avc: denied { read } for pid=22231 comm="krb5kdc" name="krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir type=AVC msg=audit(1354571193.382:2232): avc: denied { open } for pid=22231 comm="krb5kdc" path="/var/lib/sss/pubconf/krb5.include.d" dev="sda3" ino=130 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir
Added. commit 8f0e9d1b5a3655573c1a0e09502965230bc76b20 Author: Miroslav Grepl <mgrepl@redhat.com> Date: Tue Dec 4 13:59:37 2012 +0100 Allow kadmind and krb5kdc to also list sssd_public_t
Package selinux-policy-3.11.1-60.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing selinux-policy-3.11.1-60.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-19374/selinux-policy-3.11.1-60.fc18 then log in and leave karma (feedback).
selinux-policy-3.11.1-60.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.