Re: AVC denial and the suggested actio to take (by the setroubleshoot details) window

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On 09/24/2015 12:58 PM, Daniel J Walsh wrote:
What AVC are you seeing?

On 09/24/2015 01:58 PM, jd1008 wrote:
After getting AVC denial, I touched /.autorelabel and rebooted.
Took about 5 minutes to finish re-labeling.
Then, I started to ge more AVC denials.
I clicked on the denial icon and read the details.

Could someone please explain the argument in the suggested "solution" :
restorecon -v '#SharedObjects'

What in tarnation is '#SharedObjects'

The man page for semanage and for restorcon do not even
make use of such notation.

So, how is a user going to correctly interpret the meaning
of such an opaque item as '#SharedObjects' ?

The selinux troubleshoot says: (but does not explain where the
#SharedObjects directory is )


If you want to allow plugin-containe to have read access on the
#SharedObjects directory
Then you need to change the label on #SharedObjects
Do
# semanage fcontext -a -t FILE_TYPE '#SharedObjects'
where FILE_TYPE is one of the following: NetworkManager_etc_rw_t,
NetworkManager_etc_t, abrt_etc_t, admin_home_t, aiccu_etc_t,
alsa_etc_rw_t, alsa_home_t, antivirus_conf_t, antivirus_home_t,
asterisk_etc_t, audio_home_t, auth_home_t, bin_t, bitlbee_conf_t,
bluetooth_conf_t, boot_t, bootloader_etc_t, cache_home_t, cert_t,
cgconfig_etc_t, cgrules_etc_t, chrome_sandbox_home_t, cluster_conf_t,
cobbler_etc_t, condor_conf_t, config_home_t, config_usr_t,
couchdb_conf_t, courier_etc_t, cpucontrol_conf_t, cupsd_etc_t,
cupsd_rw_etc_t, cvs_home_t, data_home_t, dbus_home_t, dbusd_etc_t,
ddclient_etc_t, device_t, devpts_t, dhcp_etc_t, dictd_etc_t,
dnsmasq_etc_t, docker_config_t, docker_home_t, dosfs_t, dovecot_etc_t,
etc_mail_t, etc_runtime_t, etc_t, exports_t, fetchmail_etc_t,
fetchmail_home_t, file_context_t, fingerd_etc_t, firewalld_etc_rw_t,
firstboot_etc_t, fonts_cache_t, fonts_t, ftpd_etc_t, gconf_etc_t,
gconf_home_t, gdomap_conf_t, getty_etc_t, git_user_content_t,
gkeyringd_gnome_home_t, gnome_home_t, gpg_secret_t, gpm_conf_t,
gstreamer_home_t, hddtemp_etc_t, home_bin_t, home_cert_t, home_root_t,
hostname_etc_t, httpd_config_t, httpd_modules_t, httpd_user_content_t,
httpd_user_htaccess_t, httpd_user_ra_content_t,
httpd_user_rw_content_t, httpd_user_script_exec_t, hugetlbfs_t,
icc_data_home_t, iceauth_home_t, innd_etc_t, irc_conf_t, irc_home_t,
irc_tmp_t, irssi_etc_t, irssi_home_t, kdump_etc_t, kismet_home_t,
kmscon_conf_t, krb5_conf_t, krb5_home_t, krb5kdc_conf_t, l2tp_conf_t,
lib_t, likewise_etc_t, lircd_etc_t, local_login_home_t, locale_t,
lvm_etc_t, machineid_t, mail_home_rw_t, mail_home_t, man_cache_t,
man_t, mandb_home_t, mcelog_etc_t, mdadm_conf_t, minidlna_conf_t,
minissdpd_conf_t, mnt_t, mock_etc_t, modules_conf_t, mozilla_conf_t,
mozilla_home_t, mozilla_plugin_rw_t, mozilla_plugin_tmp_t,
mozilla_plugin_tmpfs_t, mpd_etc_t, mpd_home_t, mpd_user_data_t,
mplayer_etc_t, mplayer_home_t, mrtg_etc_t, mscan_etc_t, munin_etc_t,
mysqld_etc_t, mysqld_home_t, nagios_etc_t, named_conf_t, net_conf_t,
nrpe_etc_t, nscd_var_run_t, nslcd_conf_t, ntop_etc_t, ntp_conf_t,
nut_conf_t, openshift_var_lib_t, openvpn_etc_rw_t, openvpn_etc_t,
openvswitch_rw_t, pads_config_t, pegasus_conf_t, pingd_etc_t,
piranha_etc_rw_t, piranha_web_conf_t, polipo_cache_home_t,
polipo_config_home_t, polipo_etc_t, portreserve_etc_t, postfix_etc_t,
postgresql_etc_t, postgrey_etc_t, pppd_etc_t,
prelude_correlator_config_t, printconf_t, proc_t, procmail_home_t,
psad_etc_t, ptal_etc_t, pulseaudio_home_t, puppet_etc_t, qmail_etc_t,
radiusd_etc_t, radvd_etc_t, rhnsd_conf_t, rlogind_home_t, root_t,
rssh_ro_t, rssh_rw_t, rsync_etc_t, samba_etc_t, sandbox_file_t,
sanlock_conf_t, screen_home_t, shell_exec_t, shorewall_etc_t,
slapd_etc_t, snapperd_conf_t, snort_etc_t, soundd_etc_t, spamc_home_t,
spamd_etc_t, speech-dispatcher_home_t, squid_conf_t, src_t,
ssh_home_t, sssd_conf_t, sssd_public_t, stunnel_etc_t, svc_conf_t,
svirt_home_t, sysctl_fs_t, sysctl_t, sysfs_t, syslog_conf_t,
system_conf_t, system_db_t, systemd_home_t, systemd_logind_sessions_t,
telepathy_cache_home_t, telepathy_data_home_t,
telepathy_gabble_cache_home_t, telepathy_logger_cache_home_t,
telepathy_logger_data_home_t, telepathy_mission_control_cache_home_t,
telepathy_mission_control_data_home_t,
telepathy_mission_control_home_t, telepathy_sunshine_home_t,
texlive_home_t, textrel_shlib_t, tftpd_etc_t, thumb_home_t, tmp_t,
tmpfs_t, tor_etc_t, tuned_etc_t, tuned_rw_etc_t, tvtime_home_t,
udev_etc_t, udev_var_run_t, ulogd_etc_t, uml_ro_t, uml_rw_t,
user_fonts_cache_t, user_fonts_config_t, user_fonts_t,
user_home_dir_t, user_home_t, user_tmp_t, userhelper_conf_t, usr_t,
var_lib_t, var_run_t, varnishd_etc_t, virt_content_t, virt_etc_t,
virt_home_t, vmware_conf_t, vmware_file_t, vmware_sys_conf_t,
webalizer_etc_t, wine_home_t, wireshark_home_t, xauth_home_t,
xdm_etc_t, xdm_home_t, xdm_rw_etc_t, xserver_etc_t, ypserv_conf_t,
zarafa_etc_t, zebra_conf_t.
Then execute:
restorecon -v '#SharedObjects'

It sems to have to do with some firefox plugin or perhaps add-on.

So, not sure how to answer your question because all I can see in the "details" is:


SELinux is preventing plugin-containe from write access on the directory #SharedObjects.

*****  Plugin mozplugger (93.0 confidence) suggests ************************

If you want to use the plugin package
Then you must turn off SELinux controls on the Firefox plugins.
Do
# setsebool -P unconfined_mozilla_plugin_transition 0

*****  Plugin catchall_labels (6.67 confidence) suggests *******************

If you want to allow plugin-containe to have write access on the #SharedObjects directory
Then you need to change the label on #SharedObjects
Do
# semanage fcontext -a -t FILE_TYPE '#SharedObjects'
where FILE_TYPE is one of the following: admin_home_t, cache_home_t, config_home_t, data_home_t, dbus_home_t, gconf_home_t, gkeyringd_gnome_home_t, gnome_home_t, gstreamer_home_t, home_cert_t, icc_data_home_t, mozilla_home_t, mozilla_plugin_rw_t, mozilla_plugin_tmp_t, mozilla_plugin_tmpfs_t, mplayer_home_t, pulseaudio_home_t, texlive_home_t, tmp_t, tmpfs_t, user_fonts_cache_t, user_home_dir_t, user_home_t, user_tmp_t.
Then execute:
restorecon -v '#SharedObjects'


*****  Plugin catchall (1.73 confidence) suggests **************************

If you believe that plugin-containe should be allowed write access on the #SharedObjects directory 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:
# grep plugin-containe /var/log/audit/audit.log | audit2allow -M mypol
# semodule -i mypol.pp

Additional Information:
Source Context unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c
                              0.c1023
Target Context                unconfined_u:object_r:default_t:s0
Target Objects                #SharedObjects [ dir ]
Source                        plugin-containe
Source Path                   plugin-containe
Port                          <Unknown>
Host                          localhost.localdomain
Source RPM Packages
Target RPM Packages
Policy RPM selinux-policy-3.13.1-128.13.fc22.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     localhost.localdomain
Platform Linux localhost.localdomain 4.1.7-200.fc22.x86_64 #1 SMP Mon Sep 14 20:19:24 UTC 2015 x86_64 x86_64
Alert Count                   205
First Seen                    2015-09-24 12:00:16 MDT
Last Seen                     2015-09-24 12:23:19 MDT
Local ID                      3a1e93e0-0915-48c9-867d-a3c63c625c7d

Raw Audit Messages
type=AVC msg=audit(1443118999.521:1746): avc: denied { write } for pid=10335 comm="plugin-containe" name="#SharedObjects" dev="sdb3" ino=34998740 scontext=unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:default_t:s0 tclass=dir permissive=0


Hash: plugin-containe,mozilla_plugin_t,default_t,dir,write

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