[Arm-dev] Anyone running named on armv7 with selinux?
Robert Moskowitz
rgm at htt-consult.com
Fri Feb 3 15:59:56 UTC 2017
On 02/03/2017 09:05 AM, Gordan Bobic wrote:
> On Fri, Feb 3, 2017 at 1:58 PM, Robert Moskowitz <rgm at htt-consult.com
> <mailto:rgm at htt-consult.com>> wrote:
>
> Gordon,
>
> One would think that, but there is something off with at least the
> CubieTruck build. I will check that all those rpms are installed
> (pretty sure they are), but when I set up a web server with
> personal directories, i got permission errors on listing the
> files, but no problem displaying individual files. Plus there are
> all these SELinux warnings I am getting that seem to indicate
> something is amiss.
>
> I am reaching the point of focusing on Fedora server for now. I
> had hopes of pushing Centos7-arm in a couple of business venues.
>
>
>
>
> Are you certain it is an SELinux problem, and if so, are parent
> directory labels correct?
> The symptoms you are describing seem more typically indicative of an
> Apache configuration problem.
> Do tail -f on /var/log/audit/audit.log and see what appears there. If
> there is a SELinux violation, it will show up in there.
OK. Here goes. I attached my web server drive to my CubieTruck; I had
left this drive all ready to go into production. SELinux enforced and
all that. When I started up the tail, a bunch of messages were sent to
the console. I then attempted to access one of my directories:
http://medon.htt-consult.com/~rgm/cubieboard/
Note, that this is a public server, and you too could try this. For as
long as I have the server running on this address.
I got:
Forbidden
You don't have permission to access /~rgm/cubieboard/ on this server.
and all of the tail messages are:
# tail -f on /var/log/audit/audit.log
tail: cannot open 'on' for reading: No such file or directory
==> /var/log/audit/audit.log <==
type=SERVICE_STOP msg=audit(69.095:94): pid=1 uid=0 auid=4294967295
ses=4294967295 subj=system_u:system_r:init_t:s0
msg='unit=systemd-readahead-done comm="systemd"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
type=USER_ACCT msg=audit(1486134062.358:95): pid=1760 uid=0
auid=4294967295 ses=4294967295
subj=system_u:system_r:crond_t:s0-s0:c0.c1023 msg='op=PAM:accounting
grantors=pam_access,pam_unix acct="root" exe="/usr/sbin/crond"
hostname=? addr=? terminal=cron res=success'
type=CRED_ACQ msg=audit(1486134062.363:96): pid=1760 uid=0
auid=4294967295 ses=4294967295
subj=system_u:system_r:crond_t:s0-s0:c0.c1023 msg='op=PAM:setcred
grantors=pam_env,pam_unix acct="root" exe="/usr/sbin/crond" hostname=?
addr=? terminal=cron res=success'
type=LOGIN msg=audit(1486134062.363:97): pid=1760 uid=0
subj=system_u:system_r:crond_t:s0-s0:c0.c1023 old-auid=4294967295 auid=0
old-ses=4294967295 ses=2 res=1
type=USER_START msg=audit(1486134062.513:98): pid=1760 uid=0 auid=0
ses=2 subj=system_u:system_r:crond_t:s0-s0:c0.c1023
msg='op=PAM:session_open
grantors=pam_loginuid,pam_keyinit,pam_limits,pam_systemd acct="root"
exe="/usr/sbin/crond" hostname=? addr=? terminal=cron res=success'
type=CRED_REFR msg=audit(1486134062.528:99): pid=1760 uid=0 auid=0 ses=2
subj=system_u:system_r:crond_t:s0-s0:c0.c1023 msg='op=PAM:setcred
grantors=pam_env,pam_unix acct="root" exe="/usr/sbin/crond" hostname=?
addr=? terminal=cron res=success'
type=CRED_DISP msg=audit(1486134062.773:100): pid=1760 uid=0 auid=0
ses=2 subj=system_u:system_r:crond_t:s0-s0:c0.c1023 msg='op=PAM:setcred
grantors=pam_env,pam_unix acct="root" exe="/usr/sbin/crond" hostname=?
addr=? terminal=cron res=success'
type=USER_END msg=audit(1486134062.783:101): pid=1760 uid=0 auid=0 ses=2
subj=system_u:system_r:crond_t:s0-s0:c0.c1023 msg='op=PAM:session_close
grantors=pam_loginuid,pam_keyinit,pam_limits,pam_systemd acct="root"
exe="/usr/sbin/crond" hostname=? addr=? terminal=cron res=success'
type=SERVICE_START msg=audit(1486134482.523:102): pid=1 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
msg='unit=systemd-tmpfiles-clean comm="systemd"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
type=SERVICE_STOP msg=audit(1486134482.528:103): pid=1 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
msg='unit=systemd-tmpfiles-clean comm="systemd"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
type=AVC msg=audit(1486137172.395:104): avc: denied { read } for
pid=1866 comm="httpd" name="cubieboard" dev="sda3" ino=262190
scontext=system_u:system_r:httpd_t:s0
tcontext=unconfined_u:object_r:httpd_user_content_t:s0 tclass=dir
permissive=0
type=SYSCALL msg=audit(1486137172.395:104): arch=40000028 syscall=322
per=800000 success=no exit=-13 a0=ffffff9c a1=7f844440 a2=a4800 a3=0
items=0 ppid=624 pid=1866 auid=4294967295 uid=48 gid=48 euid=48 suid=48
fsuid=48 egid=48 sgid=48 fsgid=48 tty=(none) ses=4294967295 comm="httpd"
exe="/usr/sbin/httpd" subj=system_u:system_r:httpd_t:s0 key=(null)
type=PROCTITLE msg=audit(1486137172.395:104):
proctitle=2F7573722F7362696E2F6874747064002D44464F524547524F554E44
I know from earlier testing, if I interactively change SELinux to
permissive, the directory display works.
So what is next to try?
Bob
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