[Freeipa-users] named-pkcs11 doesn't start after bind update
Ben Lipton
blipton at redhat.com
Fri Jul 22 02:43:19 UTC 2016
I'm not familiar enough with Fedora release engineering to know how this
gets fixed permanently, but I'll share some investigation I've done.
This appears to be due to a change in the selinux-policy-targeted
package that happened recently. As of the latest version, named-pkcs11
tries to run as type named_t instead of unconfined_service_t, but it
isn't allowed to read the files from IPA [1]. When I downgraded to the
selinux-policy and selinux-policy-targeted packages from [2] I was able
to start named-pkcs11, so that might be a workaround you can use for
now. Ultimately, the patch that fixes [3] might need to be backported to
F23.
Ben
[1]
----
time->Fri Jul 22 04:17:44 2016
type=AVC msg=audit(1469153864.756:705): avc: denied { read } for
pid=11616 comm="named-pkcs11" name="tokens" dev="dm-0" ino=26318195
scontext=system_u:system_r:named_t:s0
tcontext=unconfined_u:object_r:ipa_var_lib_t:s0 tclass=dir permissive=1
----
time->Fri Jul 22 04:17:44 2016
type=AVC msg=audit(1469153864.756:706): avc: denied { getattr } for
pid=11616 comm="named-pkcs11"
path="/var/lib/ipa/dnssec/tokens/12cfb199-b2fe-d328-0b3a-e644756b73d6/token.object"
dev="dm-0" ino=609982 scontext=system_u:system_r:named_t:s0
tcontext=unconfined_u:object_r:ipa_var_lib_t:s0 tclass=file permissive=1
----
time->Fri Jul 22 04:17:44 2016
type=AVC msg=audit(1469153864.756:707): avc: denied { read write }
for pid=11616 comm="named-pkcs11" name="generation" dev="dm-0"
ino=731584 scontext=system_u:system_r:named_t:s0
tcontext=unconfined_u:object_r:ipa_var_lib_t:s0 tclass=file permissive=1
----
time->Fri Jul 22 04:17:44 2016
type=AVC msg=audit(1469153864.757:708): avc: denied { open } for
pid=11616 comm="named-pkcs11"
path="/var/lib/ipa/dnssec/tokens/12cfb199-b2fe-d328-0b3a-e644756b73d6/generation"
dev="dm-0" ino=731584 scontext=system_u:system_r:named_t:s0
tcontext=unconfined_u:object_r:ipa_var_lib_t:s0 tclass=file permissive=1
----
time->Fri Jul 22 04:17:44 2016
type=AVC msg=audit(1469153864.757:709): avc: denied { lock } for
pid=11616 comm="named-pkcs11"
path="/var/lib/ipa/dnssec/tokens/12cfb199-b2fe-d328-0b3a-e644756b73d6/generation"
dev="dm-0" ino=731584 scontext=system_u:system_r:named_t:s0
tcontext=unconfined_u:object_r:ipa_var_lib_t:s0 tclass=file permissive=1
[2] http://koji.fedoraproject.org/koji/buildinfo?buildID=758088
[3] https://bugzilla.redhat.com/show_bug.cgi?id=1333106
On 07/21/2016 05:51 PM, Roberto Cornacchia wrote:
> UPDATE:
>
> Tried again the whole procedure with ipa-dns-install, and it DOES work
> with SElinux disable, and still fails with SElinux enabled.
>
> So the error "Failed to enumerate object store in
> /var/lib/softhsm/tokens/" makes sense.
>
> Can someone help me fix it?
>
> $ ll -Z /var/lib/ipa/dnssec/
> total 12
> -rwxrwx---. 1 ods named unconfined_u:object_r:ipa_var_lib_t:s0 30
> Jul 21 22:50 softhsm_pin*
> drwxrws---. 3 ods named unconfined_u:object_r:ipa_var_lib_t:s0 4096
> Jul 21 22:50 tokens/
>
>
>
> On 21 July 2016 at 23:11, Roberto Cornacchia
> <roberto.cornacchia at gmail.com <mailto:roberto.cornacchia at gmail.com>>
> wrote:
>
> - FC23
> - IPA 4.2.4
>
> After a dnf update, bind was updated (no ipa updates),
> and named-pkcs11 doesn't start anymore.
>
>
> $ /usr/sbin/named-pkcs11 -d 9 -g
> 21-Jul-2016 23:08:50.332 starting BIND
> 9.10.3-P4-RedHat-9.10.3-13.P4.fc23 <id:ebd72b3> -d 9 -g
> 21-Jul-2016 23:08:50.332 built with
> '--build=x86_64-redhat-linux-gnu' '--host=x86_64-redhat-linux-gnu'
> '--program-prefix=' '--disable-dependency-tracking'
> '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin'
> '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share'
> '--includedir=/usr/include' '--libdir=/usr/lib64'
> '--libexecdir=/usr/libexec' '--sharedstatedir=/var/lib'
> '--mandir=/usr/share/man' '--infodir=/usr/share/info'
> '--with-python=/usr/bin/python3' '--with-libtool'
> '--localstatedir=/var' '--enable-threads' '--enable-ipv6'
> '--enable-filter-aaaa' '--with-pic' '--disable-static'
> '--disable-openssl-version-check'
> '--includedir=/usr/include/bind9' '--with-tuning=large'
> '--with-geoip' '--enable-native-pkcs11'
> '--with-pkcs11=/usr/lib64/pkcs11/libsofthsm2.so'
> '--with-dlopen=yes' '--with-dlz-ldap=yes'
> '--with-dlz-postgres=yes' '--with-dlz-mysql=yes'
> '--with-dlz-filesystem=yes' '--with-dlz-bdb=yes'
> '--with-gssapi=yes' '--disable-isc-spnego' '--enable-fixed-rrset'
> '--with-docbook-xsl=/usr/share/sgml/docbook/xsl-stylesheets'
> '--enable-full-report' 'build_alias=x86_64-redhat-linux-gnu'
> 'host_alias=x86_64-redhat-linux-gnu' 'CFLAGS= -O2 -g -pipe -Wall
> -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
> -fstack-protector-strong --param=ssp-buffer-size=4
> -grecord-gcc-switches
> -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64
> -mtune=generic' 'LDFLAGS=-Wl,-z,relro
> -specs=/usr/lib/rpm/redhat/redhat-hardened-ld' 'CPPFLAGS=
> -DDIG_SIGCHASE'
> 21-Jul-2016 23:08:50.332
> ----------------------------------------------------
> 21-Jul-2016 23:08:50.332 BIND 9 is maintained by Internet Systems
> Consortium,
> 21-Jul-2016 23:08:50.332 Inc. (ISC), a non-profit 501(c)(3)
> public-benefit
> 21-Jul-2016 23:08:50.332 corporation. Support and training for
> BIND 9 are
> 21-Jul-2016 23:08:50.332 available at https://www.isc.org/support
> 21-Jul-2016 23:08:50.332
> ----------------------------------------------------
> 21-Jul-2016 23:08:50.332 adjusted limit on open files from 4096 to
> 1048576
> 21-Jul-2016 23:08:50.332 found 2 CPUs, using 2 worker threads
> 21-Jul-2016 23:08:50.332 using 2 UDP listeners per interface
> 21-Jul-2016 23:08:50.332 using up to 21000 sockets
> 21-Jul-2016 23:08:50.332 Registering DLZ_dlopen driver
> 21-Jul-2016 23:08:50.332 Registering SDLZ driver 'dlopen'
> 21-Jul-2016 23:08:50.332 Registering DLZ driver 'dlopen'
> 21-Jul-2016 23:08:50.335 initializing DST: PKCS#11 initialization
> failed
> 21-Jul-2016 23:08:50.335 exiting (due to fatal error)
>
> journalctl shows:
>
> named-pkcs11[9085]: ObjectStore.cpp(59): Failed to enumerate
> object store in /var/lib/softhsm/tokens/
> named-pkcs11[9085]: SoftHSM.cpp(476): Could not load the object store
>
>
>
> $ ll -Z /var/lib/ipa/dnssec/
> total 12
> -rwxrwx---. 1 ods named unconfined_u:object_r:ipa_var_lib_t:s0
> 30 Jul 21 22:50 softhsm_pin*
> drwxrws---. 3 ods named unconfined_u:object_r:ipa_var_lib_t:s0
> 4096 Jul 21 22:50 tokens/
>
>
> - I have seen https://fedorahosted.org/freeipa/ticket/5520 , it
> doesn't help.
> - With setenforce 0, same error.
> - I have run ipa-dns-install, it recreates named.conf, tokens
> etc. named-pkcs11 still doesn't start.
>
>
> Please, any idea?
>
> Roberto
>
>
>
>
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